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) {
1107 /* [DM] Make a console window if needed [HGM] merged ifs */
1112 if (*appData.icsCommPort != NULLCHAR) {
1113 sprintf(buf, _("Could not open comm port %s"),
1114 appData.icsCommPort);
1116 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1117 appData.icsHost, appData.icsPort);
1119 DisplayFatalError(buf, err, 1);
1124 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1126 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1127 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1128 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1129 } else if (appData.noChessProgram) {
1135 if (*appData.cmailGameName != NULLCHAR) {
1137 OpenLoopback(&cmailPR);
1139 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1143 DisplayMessage("", "");
1144 if (StrCaseCmp(appData.initialMode, "") == 0) {
1145 initialMode = BeginningOfGame;
1146 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1147 initialMode = TwoMachinesPlay;
1148 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1149 initialMode = AnalyzeFile;
1150 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1151 initialMode = AnalyzeMode;
1152 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1153 initialMode = MachinePlaysWhite;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1155 initialMode = MachinePlaysBlack;
1156 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1157 initialMode = EditGame;
1158 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1159 initialMode = EditPosition;
1160 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1161 initialMode = Training;
1163 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1164 DisplayFatalError(buf, 0, 2);
1168 if (appData.matchMode) {
1169 /* Set up machine vs. machine match */
1170 if (appData.noChessProgram) {
1171 DisplayFatalError(_("Can't have a match with no chess programs"),
1177 if (*appData.loadGameFile != NULLCHAR) {
1178 int index = appData.loadGameIndex; // [HGM] autoinc
1179 if(index<0) lastIndex = index = 1;
1180 if (!LoadGameFromFile(appData.loadGameFile,
1182 appData.loadGameFile, FALSE)) {
1183 DisplayFatalError(_("Bad game file"), 0, 1);
1186 } else if (*appData.loadPositionFile != NULLCHAR) {
1187 int index = appData.loadPositionIndex; // [HGM] autoinc
1188 if(index<0) lastIndex = index = 1;
1189 if (!LoadPositionFromFile(appData.loadPositionFile,
1191 appData.loadPositionFile)) {
1192 DisplayFatalError(_("Bad position file"), 0, 1);
1197 } else if (*appData.cmailGameName != NULLCHAR) {
1198 /* Set up cmail mode */
1199 ReloadCmailMsgEvent(TRUE);
1201 /* Set up other modes */
1202 if (initialMode == AnalyzeFile) {
1203 if (*appData.loadGameFile == NULLCHAR) {
1204 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1208 if (*appData.loadGameFile != NULLCHAR) {
1209 (void) LoadGameFromFile(appData.loadGameFile,
1210 appData.loadGameIndex,
1211 appData.loadGameFile, TRUE);
1212 } else if (*appData.loadPositionFile != NULLCHAR) {
1213 (void) LoadPositionFromFile(appData.loadPositionFile,
1214 appData.loadPositionIndex,
1215 appData.loadPositionFile);
1216 /* [HGM] try to make self-starting even after FEN load */
1217 /* to allow automatic setup of fairy variants with wtm */
1218 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1219 gameMode = BeginningOfGame;
1220 setboardSpoiledMachineBlack = 1;
1222 /* [HGM] loadPos: make that every new game uses the setup */
1223 /* from file as long as we do not switch variant */
1224 if(!blackPlaysFirst) {
1225 startedFromPositionFile = TRUE;
1226 CopyBoard(filePosition, boards[0]);
1229 if (initialMode == AnalyzeMode) {
1230 if (appData.noChessProgram) {
1231 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1234 if (appData.icsActive) {
1235 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1239 } else if (initialMode == AnalyzeFile) {
1240 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1241 ShowThinkingEvent();
1243 AnalysisPeriodicEvent(1);
1244 } else if (initialMode == MachinePlaysWhite) {
1245 if (appData.noChessProgram) {
1246 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1250 if (appData.icsActive) {
1251 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1255 MachineWhiteEvent();
1256 } else if (initialMode == MachinePlaysBlack) {
1257 if (appData.noChessProgram) {
1258 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1262 if (appData.icsActive) {
1263 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1267 MachineBlackEvent();
1268 } else if (initialMode == TwoMachinesPlay) {
1269 if (appData.noChessProgram) {
1270 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1274 if (appData.icsActive) {
1275 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1280 } else if (initialMode == EditGame) {
1282 } else if (initialMode == EditPosition) {
1283 EditPositionEvent();
1284 } else if (initialMode == Training) {
1285 if (*appData.loadGameFile == NULLCHAR) {
1286 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1295 * Establish will establish a contact to a remote host.port.
1296 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1297 * used to talk to the host.
1298 * Returns 0 if okay, error code if not.
1305 if (*appData.icsCommPort != NULLCHAR) {
1306 /* Talk to the host through a serial comm port */
1307 return OpenCommPort(appData.icsCommPort, &icsPR);
1309 } else if (*appData.gateway != NULLCHAR) {
1310 if (*appData.remoteShell == NULLCHAR) {
1311 /* Use the rcmd protocol to run telnet program on a gateway host */
1312 snprintf(buf, sizeof(buf), "%s %s %s",
1313 appData.telnetProgram, appData.icsHost, appData.icsPort);
1314 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1317 /* Use the rsh program to run telnet program on a gateway host */
1318 if (*appData.remoteUser == NULLCHAR) {
1319 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1320 appData.gateway, appData.telnetProgram,
1321 appData.icsHost, appData.icsPort);
1323 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1324 appData.remoteShell, appData.gateway,
1325 appData.remoteUser, appData.telnetProgram,
1326 appData.icsHost, appData.icsPort);
1328 return StartChildProcess(buf, "", &icsPR);
1331 } else if (appData.useTelnet) {
1332 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1335 /* TCP socket interface differs somewhat between
1336 Unix and NT; handle details in the front end.
1338 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1343 show_bytes(fp, buf, count)
1349 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1350 fprintf(fp, "\\%03o", *buf & 0xff);
1359 /* Returns an errno value */
1361 OutputMaybeTelnet(pr, message, count, outError)
1367 char buf[8192], *p, *q, *buflim;
1368 int left, newcount, outcount;
1370 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1371 *appData.gateway != NULLCHAR) {
1372 if (appData.debugMode) {
1373 fprintf(debugFP, ">ICS: ");
1374 show_bytes(debugFP, message, count);
1375 fprintf(debugFP, "\n");
1377 return OutputToProcess(pr, message, count, outError);
1380 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1387 if (appData.debugMode) {
1388 fprintf(debugFP, ">ICS: ");
1389 show_bytes(debugFP, buf, newcount);
1390 fprintf(debugFP, "\n");
1392 outcount = OutputToProcess(pr, buf, newcount, outError);
1393 if (outcount < newcount) return -1; /* to be sure */
1400 } else if (((unsigned char) *p) == TN_IAC) {
1401 *q++ = (char) TN_IAC;
1408 if (appData.debugMode) {
1409 fprintf(debugFP, ">ICS: ");
1410 show_bytes(debugFP, buf, newcount);
1411 fprintf(debugFP, "\n");
1413 outcount = OutputToProcess(pr, buf, newcount, outError);
1414 if (outcount < newcount) return -1; /* to be sure */
1419 read_from_player(isr, closure, message, count, error)
1426 int outError, outCount;
1427 static int gotEof = 0;
1429 /* Pass data read from player on to ICS */
1432 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1433 if (outCount < count) {
1434 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1436 } else if (count < 0) {
1437 RemoveInputSource(isr);
1438 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1439 } else if (gotEof++ > 0) {
1440 RemoveInputSource(isr);
1441 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1447 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1448 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1449 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1450 SendToICS("date\n");
1451 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1454 /* added routine for printf style output to ics */
1455 void ics_printf(char *format, ...)
1457 char buffer[MSG_SIZ];
1460 va_start(args, format);
1461 vsnprintf(buffer, sizeof(buffer), format, args);
1462 buffer[sizeof(buffer)-1] = '\0';
1471 int count, outCount, outError;
1473 if (icsPR == NULL) return;
1476 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1477 if (outCount < count) {
1478 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1482 /* This is used for sending logon scripts to the ICS. Sending
1483 without a delay causes problems when using timestamp on ICC
1484 (at least on my machine). */
1486 SendToICSDelayed(s,msdelay)
1490 int count, outCount, outError;
1492 if (icsPR == NULL) return;
1495 if (appData.debugMode) {
1496 fprintf(debugFP, ">ICS: ");
1497 show_bytes(debugFP, s, count);
1498 fprintf(debugFP, "\n");
1500 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1502 if (outCount < count) {
1503 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1508 /* Remove all highlighting escape sequences in s
1509 Also deletes any suffix starting with '('
1512 StripHighlightAndTitle(s)
1515 static char retbuf[MSG_SIZ];
1518 while (*s != NULLCHAR) {
1519 while (*s == '\033') {
1520 while (*s != NULLCHAR && !isalpha(*s)) s++;
1521 if (*s != NULLCHAR) s++;
1523 while (*s != NULLCHAR && *s != '\033') {
1524 if (*s == '(' || *s == '[') {
1535 /* Remove all highlighting escape sequences in s */
1540 static char retbuf[MSG_SIZ];
1543 while (*s != NULLCHAR) {
1544 while (*s == '\033') {
1545 while (*s != NULLCHAR && !isalpha(*s)) s++;
1546 if (*s != NULLCHAR) s++;
1548 while (*s != NULLCHAR && *s != '\033') {
1556 char *variantNames[] = VARIANT_NAMES;
1561 return variantNames[v];
1565 /* Identify a variant from the strings the chess servers use or the
1566 PGN Variant tag names we use. */
1573 VariantClass v = VariantNormal;
1574 int i, found = FALSE;
1579 /* [HGM] skip over optional board-size prefixes */
1580 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1581 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1582 while( *e++ != '_');
1585 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1589 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1590 if (StrCaseStr(e, variantNames[i])) {
1591 v = (VariantClass) i;
1598 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1599 || StrCaseStr(e, "wild/fr")
1600 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1601 v = VariantFischeRandom;
1602 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1603 (i = 1, p = StrCaseStr(e, "w"))) {
1605 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1612 case 0: /* FICS only, actually */
1614 /* Castling legal even if K starts on d-file */
1615 v = VariantWildCastle;
1620 /* Castling illegal even if K & R happen to start in
1621 normal positions. */
1622 v = VariantNoCastle;
1635 /* Castling legal iff K & R start in normal positions */
1641 /* Special wilds for position setup; unclear what to do here */
1642 v = VariantLoadable;
1645 /* Bizarre ICC game */
1646 v = VariantTwoKings;
1649 v = VariantKriegspiel;
1655 v = VariantFischeRandom;
1658 v = VariantCrazyhouse;
1661 v = VariantBughouse;
1667 /* Not quite the same as FICS suicide! */
1668 v = VariantGiveaway;
1674 v = VariantShatranj;
1677 /* Temporary names for future ICC types. The name *will* change in
1678 the next xboard/WinBoard release after ICC defines it. */
1716 v = VariantCapablanca;
1719 v = VariantKnightmate;
1725 v = VariantCylinder;
1731 v = VariantCapaRandom;
1734 v = VariantBerolina;
1746 /* Found "wild" or "w" in the string but no number;
1747 must assume it's normal chess. */
1751 sprintf(buf, _("Unknown wild type %d"), wnum);
1752 DisplayError(buf, 0);
1758 if (appData.debugMode) {
1759 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1760 e, wnum, VariantName(v));
1765 static int leftover_start = 0, leftover_len = 0;
1766 char star_match[STAR_MATCH_N][MSG_SIZ];
1768 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1769 advance *index beyond it, and set leftover_start to the new value of
1770 *index; else return FALSE. If pattern contains the character '*', it
1771 matches any sequence of characters not containing '\r', '\n', or the
1772 character following the '*' (if any), and the matched sequence(s) are
1773 copied into star_match.
1776 looking_at(buf, index, pattern)
1781 char *bufp = &buf[*index], *patternp = pattern;
1783 char *matchp = star_match[0];
1786 if (*patternp == NULLCHAR) {
1787 *index = leftover_start = bufp - buf;
1791 if (*bufp == NULLCHAR) return FALSE;
1792 if (*patternp == '*') {
1793 if (*bufp == *(patternp + 1)) {
1795 matchp = star_match[++star_count];
1799 } else if (*bufp == '\n' || *bufp == '\r') {
1801 if (*patternp == NULLCHAR)
1806 *matchp++ = *bufp++;
1810 if (*patternp != *bufp) return FALSE;
1817 SendToPlayer(data, length)
1821 int error, outCount;
1822 outCount = OutputToProcess(NoProc, data, length, &error);
1823 if (outCount < length) {
1824 DisplayFatalError(_("Error writing to display"), error, 1);
1829 PackHolding(packed, holding)
1841 switch (runlength) {
1852 sprintf(q, "%d", runlength);
1864 /* Telnet protocol requests from the front end */
1866 TelnetRequest(ddww, option)
1867 unsigned char ddww, option;
1869 unsigned char msg[3];
1870 int outCount, outError;
1872 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1874 if (appData.debugMode) {
1875 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1891 sprintf(buf1, "%d", ddww);
1900 sprintf(buf2, "%d", option);
1903 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1908 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1910 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 if (!appData.icsActive) return;
1918 TelnetRequest(TN_DO, TN_ECHO);
1924 if (!appData.icsActive) return;
1925 TelnetRequest(TN_DONT, TN_ECHO);
1929 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1931 /* put the holdings sent to us by the server on the board holdings area */
1932 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1936 if(gameInfo.holdingsWidth < 2) return;
1937 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1938 return; // prevent overwriting by pre-board holdings
1940 if( (int)lowestPiece >= BlackPawn ) {
1943 holdingsStartRow = BOARD_HEIGHT-1;
1946 holdingsColumn = BOARD_WIDTH-1;
1947 countsColumn = BOARD_WIDTH-2;
1948 holdingsStartRow = 0;
1952 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1953 board[i][holdingsColumn] = EmptySquare;
1954 board[i][countsColumn] = (ChessSquare) 0;
1956 while( (p=*holdings++) != NULLCHAR ) {
1957 piece = CharToPiece( ToUpper(p) );
1958 if(piece == EmptySquare) continue;
1959 /*j = (int) piece - (int) WhitePawn;*/
1960 j = PieceToNumber(piece);
1961 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1962 if(j < 0) continue; /* should not happen */
1963 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1964 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1965 board[holdingsStartRow+j*direction][countsColumn]++;
1971 VariantSwitch(Board board, VariantClass newVariant)
1973 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1976 startedFromPositionFile = FALSE;
1977 if(gameInfo.variant == newVariant) return;
1979 /* [HGM] This routine is called each time an assignment is made to
1980 * gameInfo.variant during a game, to make sure the board sizes
1981 * are set to match the new variant. If that means adding or deleting
1982 * holdings, we shift the playing board accordingly
1983 * This kludge is needed because in ICS observe mode, we get boards
1984 * of an ongoing game without knowing the variant, and learn about the
1985 * latter only later. This can be because of the move list we requested,
1986 * in which case the game history is refilled from the beginning anyway,
1987 * but also when receiving holdings of a crazyhouse game. In the latter
1988 * case we want to add those holdings to the already received position.
1992 if (appData.debugMode) {
1993 fprintf(debugFP, "Switch board from %s to %s\n",
1994 VariantName(gameInfo.variant), VariantName(newVariant));
1995 setbuf(debugFP, NULL);
1997 shuffleOpenings = 0; /* [HGM] shuffle */
1998 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2002 newWidth = 9; newHeight = 9;
2003 gameInfo.holdingsSize = 7;
2004 case VariantBughouse:
2005 case VariantCrazyhouse:
2006 newHoldingsWidth = 2; break;
2010 newHoldingsWidth = 2;
2011 gameInfo.holdingsSize = 8;
2014 case VariantCapablanca:
2015 case VariantCapaRandom:
2018 newHoldingsWidth = gameInfo.holdingsSize = 0;
2021 if(newWidth != gameInfo.boardWidth ||
2022 newHeight != gameInfo.boardHeight ||
2023 newHoldingsWidth != gameInfo.holdingsWidth ) {
2025 /* shift position to new playing area, if needed */
2026 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2027 for(i=0; i<BOARD_HEIGHT; i++)
2028 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2029 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2031 for(i=0; i<newHeight; i++) {
2032 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2033 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2035 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2036 for(i=0; i<BOARD_HEIGHT; i++)
2037 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2038 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2041 gameInfo.boardWidth = newWidth;
2042 gameInfo.boardHeight = newHeight;
2043 gameInfo.holdingsWidth = newHoldingsWidth;
2044 gameInfo.variant = newVariant;
2045 InitDrawingSizes(-2, 0);
2046 } else gameInfo.variant = newVariant;
2047 CopyBoard(oldBoard, board); // remember correctly formatted board
2048 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2049 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2052 static int loggedOn = FALSE;
2054 /*-- Game start info cache: --*/
2056 char gs_kind[MSG_SIZ];
2057 static char player1Name[128] = "";
2058 static char player2Name[128] = "";
2059 static char cont_seq[] = "\n\\ ";
2060 static int player1Rating = -1;
2061 static int player2Rating = -1;
2062 /*----------------------------*/
2064 ColorClass curColor = ColorNormal;
2065 int suppressKibitz = 0;
2068 Boolean soughtPending = FALSE;
2069 Boolean seekGraphUp;
2070 #define MAX_SEEK_ADS 200
2072 char *seekAdList[MAX_SEEK_ADS];
2073 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2074 float tcList[MAX_SEEK_ADS];
2075 char colorList[MAX_SEEK_ADS];
2076 int nrOfSeekAds = 0;
2077 int minRating = 1010, maxRating = 2800;
2078 int hMargin = 10, vMargin = 20, h, w;
2079 extern int squareSize, lineGap;
2084 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2085 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2086 if(r < minRating+100 && r >=0 ) r = minRating+100;
2087 if(r > maxRating) r = maxRating;
2088 if(tc < 1.) tc = 1.;
2089 if(tc > 95.) tc = 95.;
2090 x = (w-hMargin)* log(tc)/log(100.) + hMargin;
2091 y = ((double)r - minRating)/(maxRating - minRating)
2092 * (h-vMargin-squareSize/8-1) + vMargin;
2093 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2094 if(strstr(seekAdList[i], " u ")) color = 1;
2095 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2096 !strstr(seekAdList[i], "bullet") &&
2097 !strstr(seekAdList[i], "blitz") &&
2098 !strstr(seekAdList[i], "standard") ) color = 2;
2099 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2100 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2104 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2106 char buf[MSG_SIZ], *ext = "";
2107 VariantClass v = StringToVariant(type);
2108 if(strstr(type, "wild")) {
2109 ext = type + 4; // append wild number
2110 if(v == VariantFischeRandom) type = "chess960"; else
2111 if(v == VariantLoadable) type = "setup"; else
2112 type = VariantName(v);
2114 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2115 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2116 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2117 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2118 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2119 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2120 seekNrList[nrOfSeekAds] = nr;
2121 zList[nrOfSeekAds] = 0;
2122 seekAdList[nrOfSeekAds++] = StrSave(buf);
2123 if(plot) PlotSeekAd(nrOfSeekAds-1);
2130 int x = xList[i], y = yList[i], d=squareSize/4, k;
2131 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2132 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2133 // now replot every dot that overlapped
2134 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2135 int xx = xList[k], yy = yList[k];
2136 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2137 DrawSeekDot(xx, yy, colorList[k]);
2142 RemoveSeekAd(int nr)
2145 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2147 if(seekAdList[i]) free(seekAdList[i]);
2148 seekAdList[i] = seekAdList[--nrOfSeekAds];
2149 seekNrList[i] = seekNrList[nrOfSeekAds];
2150 ratingList[i] = ratingList[nrOfSeekAds];
2151 colorList[i] = colorList[nrOfSeekAds];
2152 tcList[i] = tcList[nrOfSeekAds];
2153 xList[i] = xList[nrOfSeekAds];
2154 yList[i] = yList[nrOfSeekAds];
2155 zList[i] = zList[nrOfSeekAds];
2156 seekAdList[nrOfSeekAds] = NULL;
2162 MatchSoughtLine(char *line)
2164 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2165 int nr, base, inc, u=0; char dummy;
2167 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2168 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2170 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2171 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2172 // match: compact and save the line
2173 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2182 if(!seekGraphUp) return FALSE;
2184 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2185 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2187 DrawSeekBackground(0, 0, w, h);
2188 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2189 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2190 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2191 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2193 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2196 sprintf(buf, "%d", i);
2197 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2200 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2201 for(i=1; i<100; i+=(i<10?1:5)) {
2202 int xx = (w-hMargin)* log((double)i)/log(100.) + hMargin;
2203 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2204 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2206 sprintf(buf, "%d", i);
2207 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2210 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2214 int SeekGraphClick(ClickType click, int x, int y, int moving)
2216 static int lastDown = 0, displayed = 0, lastSecond;
2217 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2218 if(click == Release || moving) return FALSE;
2220 soughtPending = TRUE;
2221 SendToICS(ics_prefix);
2222 SendToICS("sought\n"); // should this be "sought all"?
2223 } else { // issue challenge based on clicked ad
2224 int dist = 10000; int i, closest = 0, second = 0;
2225 for(i=0; i<nrOfSeekAds; i++) {
2226 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2227 if(d < dist) { dist = d; closest = i; }
2228 second += (d - zList[i] < 120); // count in-range ads
2229 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2233 second = (second > 1);
2234 if(displayed != closest || second != lastSecond) {
2235 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2236 lastSecond = second; displayed = closest;
2238 sprintf(buf, "play %d\n", seekNrList[closest]);
2239 if(click == Press) {
2240 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2243 } // on press 'hit', only show info
2244 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2245 SendToICS(ics_prefix);
2246 SendToICS(buf); // should this be "sought all"?
2247 } else if(click == Release) { // release 'miss' is ignored
2248 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2249 if(moving == 2) { // right up-click
2250 nrOfSeekAds = 0; // refresh graph
2251 soughtPending = TRUE;
2252 SendToICS(ics_prefix);
2253 SendToICS("sought\n"); // should this be "sought all"?
2256 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2257 // press miss or release hit 'pop down' seek graph
2258 seekGraphUp = FALSE;
2259 DrawPosition(TRUE, NULL);
2265 read_from_ics(isr, closure, data, count, error)
2272 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2273 #define STARTED_NONE 0
2274 #define STARTED_MOVES 1
2275 #define STARTED_BOARD 2
2276 #define STARTED_OBSERVE 3
2277 #define STARTED_HOLDINGS 4
2278 #define STARTED_CHATTER 5
2279 #define STARTED_COMMENT 6
2280 #define STARTED_MOVES_NOHIDE 7
2282 static int started = STARTED_NONE;
2283 static char parse[20000];
2284 static int parse_pos = 0;
2285 static char buf[BUF_SIZE + 1];
2286 static int firstTime = TRUE, intfSet = FALSE;
2287 static ColorClass prevColor = ColorNormal;
2288 static int savingComment = FALSE;
2289 static int cmatch = 0; // continuation sequence match
2296 int backup; /* [DM] For zippy color lines */
2298 char talker[MSG_SIZ]; // [HGM] chat
2301 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2303 if (appData.debugMode) {
2305 fprintf(debugFP, "<ICS: ");
2306 show_bytes(debugFP, data, count);
2307 fprintf(debugFP, "\n");
2311 if (appData.debugMode) { int f = forwardMostMove;
2312 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2313 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2314 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2317 /* If last read ended with a partial line that we couldn't parse,
2318 prepend it to the new read and try again. */
2319 if (leftover_len > 0) {
2320 for (i=0; i<leftover_len; i++)
2321 buf[i] = buf[leftover_start + i];
2324 /* copy new characters into the buffer */
2325 bp = buf + leftover_len;
2326 buf_len=leftover_len;
2327 for (i=0; i<count; i++)
2330 if (data[i] == '\r')
2333 // join lines split by ICS?
2334 if (!appData.noJoin)
2337 Joining just consists of finding matches against the
2338 continuation sequence, and discarding that sequence
2339 if found instead of copying it. So, until a match
2340 fails, there's nothing to do since it might be the
2341 complete sequence, and thus, something we don't want
2344 if (data[i] == cont_seq[cmatch])
2347 if (cmatch == strlen(cont_seq))
2349 cmatch = 0; // complete match. just reset the counter
2352 it's possible for the ICS to not include the space
2353 at the end of the last word, making our [correct]
2354 join operation fuse two separate words. the server
2355 does this when the space occurs at the width setting.
2357 if (!buf_len || buf[buf_len-1] != ' ')
2368 match failed, so we have to copy what matched before
2369 falling through and copying this character. In reality,
2370 this will only ever be just the newline character, but
2371 it doesn't hurt to be precise.
2373 strncpy(bp, cont_seq, cmatch);
2385 buf[buf_len] = NULLCHAR;
2386 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2391 while (i < buf_len) {
2392 /* Deal with part of the TELNET option negotiation
2393 protocol. We refuse to do anything beyond the
2394 defaults, except that we allow the WILL ECHO option,
2395 which ICS uses to turn off password echoing when we are
2396 directly connected to it. We reject this option
2397 if localLineEditing mode is on (always on in xboard)
2398 and we are talking to port 23, which might be a real
2399 telnet server that will try to keep WILL ECHO on permanently.
2401 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2402 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2403 unsigned char option;
2405 switch ((unsigned char) buf[++i]) {
2407 if (appData.debugMode)
2408 fprintf(debugFP, "\n<WILL ");
2409 switch (option = (unsigned char) buf[++i]) {
2411 if (appData.debugMode)
2412 fprintf(debugFP, "ECHO ");
2413 /* Reply only if this is a change, according
2414 to the protocol rules. */
2415 if (remoteEchoOption) break;
2416 if (appData.localLineEditing &&
2417 atoi(appData.icsPort) == TN_PORT) {
2418 TelnetRequest(TN_DONT, TN_ECHO);
2421 TelnetRequest(TN_DO, TN_ECHO);
2422 remoteEchoOption = TRUE;
2426 if (appData.debugMode)
2427 fprintf(debugFP, "%d ", option);
2428 /* Whatever this is, we don't want it. */
2429 TelnetRequest(TN_DONT, option);
2434 if (appData.debugMode)
2435 fprintf(debugFP, "\n<WONT ");
2436 switch (option = (unsigned char) buf[++i]) {
2438 if (appData.debugMode)
2439 fprintf(debugFP, "ECHO ");
2440 /* Reply only if this is a change, according
2441 to the protocol rules. */
2442 if (!remoteEchoOption) break;
2444 TelnetRequest(TN_DONT, TN_ECHO);
2445 remoteEchoOption = FALSE;
2448 if (appData.debugMode)
2449 fprintf(debugFP, "%d ", (unsigned char) option);
2450 /* Whatever this is, it must already be turned
2451 off, because we never agree to turn on
2452 anything non-default, so according to the
2453 protocol rules, we don't reply. */
2458 if (appData.debugMode)
2459 fprintf(debugFP, "\n<DO ");
2460 switch (option = (unsigned char) buf[++i]) {
2462 /* Whatever this is, we refuse to do it. */
2463 if (appData.debugMode)
2464 fprintf(debugFP, "%d ", option);
2465 TelnetRequest(TN_WONT, option);
2470 if (appData.debugMode)
2471 fprintf(debugFP, "\n<DONT ");
2472 switch (option = (unsigned char) buf[++i]) {
2474 if (appData.debugMode)
2475 fprintf(debugFP, "%d ", option);
2476 /* Whatever this is, we are already not doing
2477 it, because we never agree to do anything
2478 non-default, so according to the protocol
2479 rules, we don't reply. */
2484 if (appData.debugMode)
2485 fprintf(debugFP, "\n<IAC ");
2486 /* Doubled IAC; pass it through */
2490 if (appData.debugMode)
2491 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2492 /* Drop all other telnet commands on the floor */
2495 if (oldi > next_out)
2496 SendToPlayer(&buf[next_out], oldi - next_out);
2502 /* OK, this at least will *usually* work */
2503 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2507 if (loggedOn && !intfSet) {
2508 if (ics_type == ICS_ICC) {
2510 "/set-quietly interface %s\n/set-quietly style 12\n",
2512 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2513 strcat(str, "/set-2 51 1\n/set seek 1\n");
2514 } else if (ics_type == ICS_CHESSNET) {
2515 sprintf(str, "/style 12\n");
2517 strcpy(str, "alias $ @\n$set interface ");
2518 strcat(str, programVersion);
2519 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2520 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2521 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2523 strcat(str, "$iset nohighlight 1\n");
2525 strcat(str, "$iset lock 1\n$style 12\n");
2528 NotifyFrontendLogin();
2532 if (started == STARTED_COMMENT) {
2533 /* Accumulate characters in comment */
2534 parse[parse_pos++] = buf[i];
2535 if (buf[i] == '\n') {
2536 parse[parse_pos] = NULLCHAR;
2537 if(chattingPartner>=0) {
2539 sprintf(mess, "%s%s", talker, parse);
2540 OutputChatMessage(chattingPartner, mess);
2541 chattingPartner = -1;
2543 if(!suppressKibitz) // [HGM] kibitz
2544 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2545 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2546 int nrDigit = 0, nrAlph = 0, j;
2547 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2548 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2549 parse[parse_pos] = NULLCHAR;
2550 // try to be smart: if it does not look like search info, it should go to
2551 // ICS interaction window after all, not to engine-output window.
2552 for(j=0; j<parse_pos; j++) { // count letters and digits
2553 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2554 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2555 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2557 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2558 int depth=0; float score;
2559 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2560 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2561 pvInfoList[forwardMostMove-1].depth = depth;
2562 pvInfoList[forwardMostMove-1].score = 100*score;
2564 OutputKibitz(suppressKibitz, parse);
2565 next_out = i+1; // [HGM] suppress printing in ICS window
2568 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2569 SendToPlayer(tmp, strlen(tmp));
2572 started = STARTED_NONE;
2574 /* Don't match patterns against characters in comment */
2579 if (started == STARTED_CHATTER) {
2580 if (buf[i] != '\n') {
2581 /* Don't match patterns against characters in chatter */
2585 started = STARTED_NONE;
2588 /* Kludge to deal with rcmd protocol */
2589 if (firstTime && looking_at(buf, &i, "\001*")) {
2590 DisplayFatalError(&buf[1], 0, 1);
2596 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2599 if (appData.debugMode)
2600 fprintf(debugFP, "ics_type %d\n", ics_type);
2603 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2604 ics_type = ICS_FICS;
2606 if (appData.debugMode)
2607 fprintf(debugFP, "ics_type %d\n", ics_type);
2610 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2611 ics_type = ICS_CHESSNET;
2613 if (appData.debugMode)
2614 fprintf(debugFP, "ics_type %d\n", ics_type);
2619 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2620 looking_at(buf, &i, "Logging you in as \"*\"") ||
2621 looking_at(buf, &i, "will be \"*\""))) {
2622 strcpy(ics_handle, star_match[0]);
2626 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2628 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2629 DisplayIcsInteractionTitle(buf);
2630 have_set_title = TRUE;
2633 /* skip finger notes */
2634 if (started == STARTED_NONE &&
2635 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2636 (buf[i] == '1' && buf[i+1] == '0')) &&
2637 buf[i+2] == ':' && buf[i+3] == ' ') {
2638 started = STARTED_CHATTER;
2643 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2644 if(appData.seekGraph) {
2645 if(soughtPending && MatchSoughtLine(buf+i)) {
2646 i = strstr(buf+i, "rated") - buf;
2647 next_out = leftover_start = i;
2648 started = STARTED_CHATTER;
2649 suppressKibitz = TRUE;
2652 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2653 && looking_at(buf, &i, "* ads displayed")) {
2654 soughtPending = FALSE;
2659 if(appData.autoRefresh) {
2660 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2661 int s = (ics_type == ICS_ICC); // ICC format differs
2663 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2664 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2665 looking_at(buf, &i, "*% "); // eat prompt
2666 next_out = i; // suppress
2669 if(looking_at(buf, &i, "Ads removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2670 char *p = star_match[0];
2672 if(seekGraphUp) RemoveSeekAd(atoi(p));
2673 while(*p && *p++ != ' '); // next
2675 looking_at(buf, &i, "*% "); // eat prompt
2682 /* skip formula vars */
2683 if (started == STARTED_NONE &&
2684 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2685 started = STARTED_CHATTER;
2691 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2692 if (appData.autoKibitz && started == STARTED_NONE &&
2693 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2694 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2695 if(looking_at(buf, &i, "* kibitzes: ") &&
2696 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2697 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2698 suppressKibitz = TRUE;
2699 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2700 && (gameMode == IcsPlayingWhite)) ||
2701 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2702 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2703 started = STARTED_CHATTER; // own kibitz we simply discard
2705 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2706 parse_pos = 0; parse[0] = NULLCHAR;
2707 savingComment = TRUE;
2708 suppressKibitz = gameMode != IcsObserving ? 2 :
2709 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2713 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2714 // suppress the acknowledgements of our own autoKibitz
2716 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2717 SendToPlayer(star_match[0], strlen(star_match[0]));
2718 looking_at(buf, &i, "*% "); // eat prompt
2721 } // [HGM] kibitz: end of patch
2723 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2725 // [HGM] chat: intercept tells by users for which we have an open chat window
2727 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2728 looking_at(buf, &i, "* whispers:") ||
2729 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2730 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2732 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2733 chattingPartner = -1;
2735 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2736 for(p=0; p<MAX_CHAT; p++) {
2737 if(channel == atoi(chatPartner[p])) {
2738 talker[0] = '['; strcat(talker, "] ");
2739 chattingPartner = p; break;
2742 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2743 for(p=0; p<MAX_CHAT; p++) {
2744 if(!strcmp("WHISPER", chatPartner[p])) {
2745 talker[0] = '['; strcat(talker, "] ");
2746 chattingPartner = p; break;
2749 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2750 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2752 chattingPartner = p; break;
2754 if(chattingPartner<0) i = oldi; else {
2755 started = STARTED_COMMENT;
2756 parse_pos = 0; parse[0] = NULLCHAR;
2757 savingComment = 3 + chattingPartner; // counts as TRUE
2758 suppressKibitz = TRUE;
2760 } // [HGM] chat: end of patch
2762 if (appData.zippyTalk || appData.zippyPlay) {
2763 /* [DM] Backup address for color zippy lines */
2767 if (loggedOn == TRUE)
2768 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2769 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2771 if (ZippyControl(buf, &i) ||
2772 ZippyConverse(buf, &i) ||
2773 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2775 if (!appData.colorize) continue;
2779 } // [DM] 'else { ' deleted
2781 /* Regular tells and says */
2782 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2783 looking_at(buf, &i, "* (your partner) tells you: ") ||
2784 looking_at(buf, &i, "* says: ") ||
2785 /* Don't color "message" or "messages" output */
2786 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2787 looking_at(buf, &i, "*. * at *:*: ") ||
2788 looking_at(buf, &i, "--* (*:*): ") ||
2789 /* Message notifications (same color as tells) */
2790 looking_at(buf, &i, "* has left a message ") ||
2791 looking_at(buf, &i, "* just sent you a message:\n") ||
2792 /* Whispers and kibitzes */
2793 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2794 looking_at(buf, &i, "* kibitzes: ") ||
2796 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2798 if (tkind == 1 && strchr(star_match[0], ':')) {
2799 /* Avoid "tells you:" spoofs in channels */
2802 if (star_match[0][0] == NULLCHAR ||
2803 strchr(star_match[0], ' ') ||
2804 (tkind == 3 && strchr(star_match[1], ' '))) {
2805 /* Reject bogus matches */
2808 if (appData.colorize) {
2809 if (oldi > next_out) {
2810 SendToPlayer(&buf[next_out], oldi - next_out);
2815 Colorize(ColorTell, FALSE);
2816 curColor = ColorTell;
2819 Colorize(ColorKibitz, FALSE);
2820 curColor = ColorKibitz;
2823 p = strrchr(star_match[1], '(');
2830 Colorize(ColorChannel1, FALSE);
2831 curColor = ColorChannel1;
2833 Colorize(ColorChannel, FALSE);
2834 curColor = ColorChannel;
2838 curColor = ColorNormal;
2842 if (started == STARTED_NONE && appData.autoComment &&
2843 (gameMode == IcsObserving ||
2844 gameMode == IcsPlayingWhite ||
2845 gameMode == IcsPlayingBlack)) {
2846 parse_pos = i - oldi;
2847 memcpy(parse, &buf[oldi], parse_pos);
2848 parse[parse_pos] = NULLCHAR;
2849 started = STARTED_COMMENT;
2850 savingComment = TRUE;
2852 started = STARTED_CHATTER;
2853 savingComment = FALSE;
2860 if (looking_at(buf, &i, "* s-shouts: ") ||
2861 looking_at(buf, &i, "* c-shouts: ")) {
2862 if (appData.colorize) {
2863 if (oldi > next_out) {
2864 SendToPlayer(&buf[next_out], oldi - next_out);
2867 Colorize(ColorSShout, FALSE);
2868 curColor = ColorSShout;
2871 started = STARTED_CHATTER;
2875 if (looking_at(buf, &i, "--->")) {
2880 if (looking_at(buf, &i, "* shouts: ") ||
2881 looking_at(buf, &i, "--> ")) {
2882 if (appData.colorize) {
2883 if (oldi > next_out) {
2884 SendToPlayer(&buf[next_out], oldi - next_out);
2887 Colorize(ColorShout, FALSE);
2888 curColor = ColorShout;
2891 started = STARTED_CHATTER;
2895 if (looking_at( buf, &i, "Challenge:")) {
2896 if (appData.colorize) {
2897 if (oldi > next_out) {
2898 SendToPlayer(&buf[next_out], oldi - next_out);
2901 Colorize(ColorChallenge, FALSE);
2902 curColor = ColorChallenge;
2908 if (looking_at(buf, &i, "* offers you") ||
2909 looking_at(buf, &i, "* offers to be") ||
2910 looking_at(buf, &i, "* would like to") ||
2911 looking_at(buf, &i, "* requests to") ||
2912 looking_at(buf, &i, "Your opponent offers") ||
2913 looking_at(buf, &i, "Your opponent requests")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorRequest, FALSE);
2921 curColor = ColorRequest;
2926 if (looking_at(buf, &i, "* (*) seeking")) {
2927 if (appData.colorize) {
2928 if (oldi > next_out) {
2929 SendToPlayer(&buf[next_out], oldi - next_out);
2932 Colorize(ColorSeek, FALSE);
2933 curColor = ColorSeek;
2938 if (looking_at(buf, &i, "\\ ")) {
2939 if (prevColor != ColorNormal) {
2940 if (oldi > next_out) {
2941 SendToPlayer(&buf[next_out], oldi - next_out);
2944 Colorize(prevColor, TRUE);
2945 curColor = prevColor;
2947 if (savingComment) {
2948 parse_pos = i - oldi;
2949 memcpy(parse, &buf[oldi], parse_pos);
2950 parse[parse_pos] = NULLCHAR;
2951 started = STARTED_COMMENT;
2952 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2953 chattingPartner = savingComment - 3; // kludge to remember the box
2955 started = STARTED_CHATTER;
2960 if (looking_at(buf, &i, "Black Strength :") ||
2961 looking_at(buf, &i, "<<< style 10 board >>>") ||
2962 looking_at(buf, &i, "<10>") ||
2963 looking_at(buf, &i, "#@#")) {
2964 /* Wrong board style */
2966 SendToICS(ics_prefix);
2967 SendToICS("set style 12\n");
2968 SendToICS(ics_prefix);
2969 SendToICS("refresh\n");
2973 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2975 have_sent_ICS_logon = 1;
2979 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2980 (looking_at(buf, &i, "\n<12> ") ||
2981 looking_at(buf, &i, "<12> "))) {
2983 if (oldi > next_out) {
2984 SendToPlayer(&buf[next_out], oldi - next_out);
2987 started = STARTED_BOARD;
2992 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2993 looking_at(buf, &i, "<b1> ")) {
2994 if (oldi > next_out) {
2995 SendToPlayer(&buf[next_out], oldi - next_out);
2998 started = STARTED_HOLDINGS;
3003 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3005 /* Header for a move list -- first line */
3007 switch (ics_getting_history) {
3011 case BeginningOfGame:
3012 /* User typed "moves" or "oldmoves" while we
3013 were idle. Pretend we asked for these
3014 moves and soak them up so user can step
3015 through them and/or save them.
3018 gameMode = IcsObserving;
3021 ics_getting_history = H_GOT_UNREQ_HEADER;
3023 case EditGame: /*?*/
3024 case EditPosition: /*?*/
3025 /* Should above feature work in these modes too? */
3026 /* For now it doesn't */
3027 ics_getting_history = H_GOT_UNWANTED_HEADER;
3030 ics_getting_history = H_GOT_UNWANTED_HEADER;
3035 /* Is this the right one? */
3036 if (gameInfo.white && gameInfo.black &&
3037 strcmp(gameInfo.white, star_match[0]) == 0 &&
3038 strcmp(gameInfo.black, star_match[2]) == 0) {
3040 ics_getting_history = H_GOT_REQ_HEADER;
3043 case H_GOT_REQ_HEADER:
3044 case H_GOT_UNREQ_HEADER:
3045 case H_GOT_UNWANTED_HEADER:
3046 case H_GETTING_MOVES:
3047 /* Should not happen */
3048 DisplayError(_("Error gathering move list: two headers"), 0);
3049 ics_getting_history = H_FALSE;
3053 /* Save player ratings into gameInfo if needed */
3054 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3055 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3056 (gameInfo.whiteRating == -1 ||
3057 gameInfo.blackRating == -1)) {
3059 gameInfo.whiteRating = string_to_rating(star_match[1]);
3060 gameInfo.blackRating = string_to_rating(star_match[3]);
3061 if (appData.debugMode)
3062 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3063 gameInfo.whiteRating, gameInfo.blackRating);
3068 if (looking_at(buf, &i,
3069 "* * match, initial time: * minute*, increment: * second")) {
3070 /* Header for a move list -- second line */
3071 /* Initial board will follow if this is a wild game */
3072 if (gameInfo.event != NULL) free(gameInfo.event);
3073 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3074 gameInfo.event = StrSave(str);
3075 /* [HGM] we switched variant. Translate boards if needed. */
3076 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3080 if (looking_at(buf, &i, "Move ")) {
3081 /* Beginning of a move list */
3082 switch (ics_getting_history) {
3084 /* Normally should not happen */
3085 /* Maybe user hit reset while we were parsing */
3088 /* Happens if we are ignoring a move list that is not
3089 * the one we just requested. Common if the user
3090 * tries to observe two games without turning off
3093 case H_GETTING_MOVES:
3094 /* Should not happen */
3095 DisplayError(_("Error gathering move list: nested"), 0);
3096 ics_getting_history = H_FALSE;
3098 case H_GOT_REQ_HEADER:
3099 ics_getting_history = H_GETTING_MOVES;
3100 started = STARTED_MOVES;
3102 if (oldi > next_out) {
3103 SendToPlayer(&buf[next_out], oldi - next_out);
3106 case H_GOT_UNREQ_HEADER:
3107 ics_getting_history = H_GETTING_MOVES;
3108 started = STARTED_MOVES_NOHIDE;
3111 case H_GOT_UNWANTED_HEADER:
3112 ics_getting_history = H_FALSE;
3118 if (looking_at(buf, &i, "% ") ||
3119 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3120 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3121 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3122 soughtPending = FALSE;
3126 if(suppressKibitz) next_out = i;
3127 savingComment = FALSE;
3131 case STARTED_MOVES_NOHIDE:
3132 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3133 parse[parse_pos + i - oldi] = NULLCHAR;
3134 ParseGameHistory(parse);
3136 if (appData.zippyPlay && first.initDone) {
3137 FeedMovesToProgram(&first, forwardMostMove);
3138 if (gameMode == IcsPlayingWhite) {
3139 if (WhiteOnMove(forwardMostMove)) {
3140 if (first.sendTime) {
3141 if (first.useColors) {
3142 SendToProgram("black\n", &first);
3144 SendTimeRemaining(&first, TRUE);
3146 if (first.useColors) {
3147 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3149 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3150 first.maybeThinking = TRUE;
3152 if (first.usePlayother) {
3153 if (first.sendTime) {
3154 SendTimeRemaining(&first, TRUE);
3156 SendToProgram("playother\n", &first);
3162 } else if (gameMode == IcsPlayingBlack) {
3163 if (!WhiteOnMove(forwardMostMove)) {
3164 if (first.sendTime) {
3165 if (first.useColors) {
3166 SendToProgram("white\n", &first);
3168 SendTimeRemaining(&first, FALSE);
3170 if (first.useColors) {
3171 SendToProgram("black\n", &first);
3173 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3174 first.maybeThinking = TRUE;
3176 if (first.usePlayother) {
3177 if (first.sendTime) {
3178 SendTimeRemaining(&first, FALSE);
3180 SendToProgram("playother\n", &first);
3189 if (gameMode == IcsObserving && ics_gamenum == -1) {
3190 /* Moves came from oldmoves or moves command
3191 while we weren't doing anything else.
3193 currentMove = forwardMostMove;
3194 ClearHighlights();/*!!could figure this out*/
3195 flipView = appData.flipView;
3196 DrawPosition(TRUE, boards[currentMove]);
3197 DisplayBothClocks();
3198 sprintf(str, "%s vs. %s",
3199 gameInfo.white, gameInfo.black);
3203 /* Moves were history of an active game */
3204 if (gameInfo.resultDetails != NULL) {
3205 free(gameInfo.resultDetails);
3206 gameInfo.resultDetails = NULL;
3209 HistorySet(parseList, backwardMostMove,
3210 forwardMostMove, currentMove-1);
3211 DisplayMove(currentMove - 1);
3212 if (started == STARTED_MOVES) next_out = i;
3213 started = STARTED_NONE;
3214 ics_getting_history = H_FALSE;
3217 case STARTED_OBSERVE:
3218 started = STARTED_NONE;
3219 SendToICS(ics_prefix);
3220 SendToICS("refresh\n");
3226 if(bookHit) { // [HGM] book: simulate book reply
3227 static char bookMove[MSG_SIZ]; // a bit generous?
3229 programStats.nodes = programStats.depth = programStats.time =
3230 programStats.score = programStats.got_only_move = 0;
3231 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3233 strcpy(bookMove, "move ");
3234 strcat(bookMove, bookHit);
3235 HandleMachineMove(bookMove, &first);
3240 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3241 started == STARTED_HOLDINGS ||
3242 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3243 /* Accumulate characters in move list or board */
3244 parse[parse_pos++] = buf[i];
3247 /* Start of game messages. Mostly we detect start of game
3248 when the first board image arrives. On some versions
3249 of the ICS, though, we need to do a "refresh" after starting
3250 to observe in order to get the current board right away. */
3251 if (looking_at(buf, &i, "Adding game * to observation list")) {
3252 started = STARTED_OBSERVE;
3256 /* Handle auto-observe */
3257 if (appData.autoObserve &&
3258 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3259 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3261 /* Choose the player that was highlighted, if any. */
3262 if (star_match[0][0] == '\033' ||
3263 star_match[1][0] != '\033') {
3264 player = star_match[0];
3266 player = star_match[2];
3268 sprintf(str, "%sobserve %s\n",
3269 ics_prefix, StripHighlightAndTitle(player));
3272 /* Save ratings from notify string */
3273 strcpy(player1Name, star_match[0]);
3274 player1Rating = string_to_rating(star_match[1]);
3275 strcpy(player2Name, star_match[2]);
3276 player2Rating = string_to_rating(star_match[3]);
3278 if (appData.debugMode)
3280 "Ratings from 'Game notification:' %s %d, %s %d\n",
3281 player1Name, player1Rating,
3282 player2Name, player2Rating);
3287 /* Deal with automatic examine mode after a game,
3288 and with IcsObserving -> IcsExamining transition */
3289 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3290 looking_at(buf, &i, "has made you an examiner of game *")) {
3292 int gamenum = atoi(star_match[0]);
3293 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3294 gamenum == ics_gamenum) {
3295 /* We were already playing or observing this game;
3296 no need to refetch history */
3297 gameMode = IcsExamining;
3299 pauseExamForwardMostMove = forwardMostMove;
3300 } else if (currentMove < forwardMostMove) {
3301 ForwardInner(forwardMostMove);
3304 /* I don't think this case really can happen */
3305 SendToICS(ics_prefix);
3306 SendToICS("refresh\n");
3311 /* Error messages */
3312 // if (ics_user_moved) {
3313 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3314 if (looking_at(buf, &i, "Illegal move") ||
3315 looking_at(buf, &i, "Not a legal move") ||
3316 looking_at(buf, &i, "Your king is in check") ||
3317 looking_at(buf, &i, "It isn't your turn") ||
3318 looking_at(buf, &i, "It is not your move")) {
3320 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3321 currentMove = --forwardMostMove;
3322 DisplayMove(currentMove - 1); /* before DMError */
3323 DrawPosition(FALSE, boards[currentMove]);
3325 DisplayBothClocks();
3327 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3333 if (looking_at(buf, &i, "still have time") ||
3334 looking_at(buf, &i, "not out of time") ||
3335 looking_at(buf, &i, "either player is out of time") ||
3336 looking_at(buf, &i, "has timeseal; checking")) {
3337 /* We must have called his flag a little too soon */
3338 whiteFlag = blackFlag = FALSE;
3342 if (looking_at(buf, &i, "added * seconds to") ||
3343 looking_at(buf, &i, "seconds were added to")) {
3344 /* Update the clocks */
3345 SendToICS(ics_prefix);
3346 SendToICS("refresh\n");
3350 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3351 ics_clock_paused = TRUE;
3356 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3357 ics_clock_paused = FALSE;
3362 /* Grab player ratings from the Creating: message.
3363 Note we have to check for the special case when
3364 the ICS inserts things like [white] or [black]. */
3365 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3366 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3368 0 player 1 name (not necessarily white)
3370 2 empty, white, or black (IGNORED)
3371 3 player 2 name (not necessarily black)
3374 The names/ratings are sorted out when the game
3375 actually starts (below).
3377 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3378 player1Rating = string_to_rating(star_match[1]);
3379 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3380 player2Rating = string_to_rating(star_match[4]);
3382 if (appData.debugMode)
3384 "Ratings from 'Creating:' %s %d, %s %d\n",
3385 player1Name, player1Rating,
3386 player2Name, player2Rating);
3391 /* Improved generic start/end-of-game messages */
3392 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3393 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3394 /* If tkind == 0: */
3395 /* star_match[0] is the game number */
3396 /* [1] is the white player's name */
3397 /* [2] is the black player's name */
3398 /* For end-of-game: */
3399 /* [3] is the reason for the game end */
3400 /* [4] is a PGN end game-token, preceded by " " */
3401 /* For start-of-game: */
3402 /* [3] begins with "Creating" or "Continuing" */
3403 /* [4] is " *" or empty (don't care). */
3404 int gamenum = atoi(star_match[0]);
3405 char *whitename, *blackname, *why, *endtoken;
3406 ChessMove endtype = (ChessMove) 0;
3409 whitename = star_match[1];
3410 blackname = star_match[2];
3411 why = star_match[3];
3412 endtoken = star_match[4];
3414 whitename = star_match[1];
3415 blackname = star_match[3];
3416 why = star_match[5];
3417 endtoken = star_match[6];
3420 /* Game start messages */
3421 if (strncmp(why, "Creating ", 9) == 0 ||
3422 strncmp(why, "Continuing ", 11) == 0) {
3423 gs_gamenum = gamenum;
3424 strcpy(gs_kind, strchr(why, ' ') + 1);
3425 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3427 if (appData.zippyPlay) {
3428 ZippyGameStart(whitename, blackname);
3434 /* Game end messages */
3435 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3436 ics_gamenum != gamenum) {
3439 while (endtoken[0] == ' ') endtoken++;
3440 switch (endtoken[0]) {
3443 endtype = GameUnfinished;
3446 endtype = BlackWins;
3449 if (endtoken[1] == '/')
3450 endtype = GameIsDrawn;
3452 endtype = WhiteWins;
3455 GameEnds(endtype, why, GE_ICS);
3457 if (appData.zippyPlay && first.initDone) {
3458 ZippyGameEnd(endtype, why);
3459 if (first.pr == NULL) {
3460 /* Start the next process early so that we'll
3461 be ready for the next challenge */
3462 StartChessProgram(&first);
3464 /* Send "new" early, in case this command takes
3465 a long time to finish, so that we'll be ready
3466 for the next challenge. */
3467 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3474 if (looking_at(buf, &i, "Removing game * from observation") ||
3475 looking_at(buf, &i, "no longer observing game *") ||
3476 looking_at(buf, &i, "Game * (*) has no examiners")) {
3477 if (gameMode == IcsObserving &&
3478 atoi(star_match[0]) == ics_gamenum)
3480 /* icsEngineAnalyze */
3481 if (appData.icsEngineAnalyze) {
3488 ics_user_moved = FALSE;
3493 if (looking_at(buf, &i, "no longer examining game *")) {
3494 if (gameMode == IcsExamining &&
3495 atoi(star_match[0]) == ics_gamenum)
3499 ics_user_moved = FALSE;
3504 /* Advance leftover_start past any newlines we find,
3505 so only partial lines can get reparsed */
3506 if (looking_at(buf, &i, "\n")) {
3507 prevColor = curColor;
3508 if (curColor != ColorNormal) {
3509 if (oldi > next_out) {
3510 SendToPlayer(&buf[next_out], oldi - next_out);
3513 Colorize(ColorNormal, FALSE);
3514 curColor = ColorNormal;
3516 if (started == STARTED_BOARD) {
3517 started = STARTED_NONE;
3518 parse[parse_pos] = NULLCHAR;
3519 ParseBoard12(parse);
3522 /* Send premove here */
3523 if (appData.premove) {
3525 if (currentMove == 0 &&
3526 gameMode == IcsPlayingWhite &&
3527 appData.premoveWhite) {
3528 sprintf(str, "%s\n", appData.premoveWhiteText);
3529 if (appData.debugMode)
3530 fprintf(debugFP, "Sending premove:\n");
3532 } else if (currentMove == 1 &&
3533 gameMode == IcsPlayingBlack &&
3534 appData.premoveBlack) {
3535 sprintf(str, "%s\n", appData.premoveBlackText);
3536 if (appData.debugMode)
3537 fprintf(debugFP, "Sending premove:\n");
3539 } else if (gotPremove) {
3541 ClearPremoveHighlights();
3542 if (appData.debugMode)
3543 fprintf(debugFP, "Sending premove:\n");
3544 UserMoveEvent(premoveFromX, premoveFromY,
3545 premoveToX, premoveToY,
3550 /* Usually suppress following prompt */
3551 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3552 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3553 if (looking_at(buf, &i, "*% ")) {
3554 savingComment = FALSE;
3559 } else if (started == STARTED_HOLDINGS) {
3561 char new_piece[MSG_SIZ];
3562 started = STARTED_NONE;
3563 parse[parse_pos] = NULLCHAR;
3564 if (appData.debugMode)
3565 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3566 parse, currentMove);
3567 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3568 gamenum == ics_gamenum) {
3569 if (gameInfo.variant == VariantNormal) {
3570 /* [HGM] We seem to switch variant during a game!
3571 * Presumably no holdings were displayed, so we have
3572 * to move the position two files to the right to
3573 * create room for them!
3575 VariantClass newVariant;
3576 switch(gameInfo.boardWidth) { // base guess on board width
3577 case 9: newVariant = VariantShogi; break;
3578 case 10: newVariant = VariantGreat; break;
3579 default: newVariant = VariantCrazyhouse; break;
3581 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3582 /* Get a move list just to see the header, which
3583 will tell us whether this is really bug or zh */
3584 if (ics_getting_history == H_FALSE) {
3585 ics_getting_history = H_REQUESTED;
3586 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3590 new_piece[0] = NULLCHAR;
3591 sscanf(parse, "game %d white [%s black [%s <- %s",
3592 &gamenum, white_holding, black_holding,
3594 white_holding[strlen(white_holding)-1] = NULLCHAR;
3595 black_holding[strlen(black_holding)-1] = NULLCHAR;
3596 /* [HGM] copy holdings to board holdings area */
3597 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3598 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3599 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3601 if (appData.zippyPlay && first.initDone) {
3602 ZippyHoldings(white_holding, black_holding,
3606 if (tinyLayout || smallLayout) {
3607 char wh[16], bh[16];
3608 PackHolding(wh, white_holding);
3609 PackHolding(bh, black_holding);
3610 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3611 gameInfo.white, gameInfo.black);
3613 sprintf(str, "%s [%s] vs. %s [%s]",
3614 gameInfo.white, white_holding,
3615 gameInfo.black, black_holding);
3618 DrawPosition(FALSE, boards[currentMove]);
3621 /* Suppress following prompt */
3622 if (looking_at(buf, &i, "*% ")) {
3623 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3624 savingComment = FALSE;
3632 i++; /* skip unparsed character and loop back */
3635 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3636 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3637 // SendToPlayer(&buf[next_out], i - next_out);
3638 started != STARTED_HOLDINGS && leftover_start > next_out) {
3639 SendToPlayer(&buf[next_out], leftover_start - next_out);
3643 leftover_len = buf_len - leftover_start;
3644 /* if buffer ends with something we couldn't parse,
3645 reparse it after appending the next read */
3647 } else if (count == 0) {
3648 RemoveInputSource(isr);
3649 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3651 DisplayFatalError(_("Error reading from ICS"), error, 1);
3656 /* Board style 12 looks like this:
3658 <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
3660 * The "<12> " is stripped before it gets to this routine. The two
3661 * trailing 0's (flip state and clock ticking) are later addition, and
3662 * some chess servers may not have them, or may have only the first.
3663 * Additional trailing fields may be added in the future.
3666 #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"
3668 #define RELATION_OBSERVING_PLAYED 0
3669 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3670 #define RELATION_PLAYING_MYMOVE 1
3671 #define RELATION_PLAYING_NOTMYMOVE -1
3672 #define RELATION_EXAMINING 2
3673 #define RELATION_ISOLATED_BOARD -3
3674 #define RELATION_STARTING_POSITION -4 /* FICS only */
3677 ParseBoard12(string)
3680 GameMode newGameMode;
3681 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3682 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3683 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3684 char to_play, board_chars[200];
3685 char move_str[500], str[500], elapsed_time[500];
3686 char black[32], white[32];
3688 int prevMove = currentMove;
3691 int fromX, fromY, toX, toY;
3693 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3694 char *bookHit = NULL; // [HGM] book
3695 Boolean weird = FALSE, reqFlag = FALSE;
3697 fromX = fromY = toX = toY = -1;
3701 if (appData.debugMode)
3702 fprintf(debugFP, _("Parsing board: %s\n"), string);
3704 move_str[0] = NULLCHAR;
3705 elapsed_time[0] = NULLCHAR;
3706 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3708 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3709 if(string[i] == ' ') { ranks++; files = 0; }
3711 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3714 for(j = 0; j <i; j++) board_chars[j] = string[j];
3715 board_chars[i] = '\0';
3718 n = sscanf(string, PATTERN, &to_play, &double_push,
3719 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3720 &gamenum, white, black, &relation, &basetime, &increment,
3721 &white_stren, &black_stren, &white_time, &black_time,
3722 &moveNum, str, elapsed_time, move_str, &ics_flip,
3726 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3727 DisplayError(str, 0);
3731 /* Convert the move number to internal form */
3732 moveNum = (moveNum - 1) * 2;
3733 if (to_play == 'B') moveNum++;
3734 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3735 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3741 case RELATION_OBSERVING_PLAYED:
3742 case RELATION_OBSERVING_STATIC:
3743 if (gamenum == -1) {
3744 /* Old ICC buglet */
3745 relation = RELATION_OBSERVING_STATIC;
3747 newGameMode = IcsObserving;
3749 case RELATION_PLAYING_MYMOVE:
3750 case RELATION_PLAYING_NOTMYMOVE:
3752 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3753 IcsPlayingWhite : IcsPlayingBlack;
3755 case RELATION_EXAMINING:
3756 newGameMode = IcsExamining;
3758 case RELATION_ISOLATED_BOARD:
3760 /* Just display this board. If user was doing something else,
3761 we will forget about it until the next board comes. */
3762 newGameMode = IcsIdle;
3764 case RELATION_STARTING_POSITION:
3765 newGameMode = gameMode;
3769 /* Modify behavior for initial board display on move listing
3772 switch (ics_getting_history) {
3776 case H_GOT_REQ_HEADER:
3777 case H_GOT_UNREQ_HEADER:
3778 /* This is the initial position of the current game */
3779 gamenum = ics_gamenum;
3780 moveNum = 0; /* old ICS bug workaround */
3781 if (to_play == 'B') {
3782 startedFromSetupPosition = TRUE;
3783 blackPlaysFirst = TRUE;
3785 if (forwardMostMove == 0) forwardMostMove = 1;
3786 if (backwardMostMove == 0) backwardMostMove = 1;
3787 if (currentMove == 0) currentMove = 1;
3789 newGameMode = gameMode;
3790 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3792 case H_GOT_UNWANTED_HEADER:
3793 /* This is an initial board that we don't want */
3795 case H_GETTING_MOVES:
3796 /* Should not happen */
3797 DisplayError(_("Error gathering move list: extra board"), 0);
3798 ics_getting_history = H_FALSE;
3802 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3803 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3804 /* [HGM] We seem to have switched variant unexpectedly
3805 * Try to guess new variant from board size
3807 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3808 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3809 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3810 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3811 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3812 if(!weird) newVariant = VariantNormal;
3813 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3814 /* Get a move list just to see the header, which
3815 will tell us whether this is really bug or zh */
3816 if (ics_getting_history == H_FALSE) {
3817 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3818 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3823 /* Take action if this is the first board of a new game, or of a
3824 different game than is currently being displayed. */
3825 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3826 relation == RELATION_ISOLATED_BOARD) {
3828 /* Forget the old game and get the history (if any) of the new one */
3829 if (gameMode != BeginningOfGame) {
3833 if (appData.autoRaiseBoard) BoardToTop();
3835 if (gamenum == -1) {
3836 newGameMode = IcsIdle;
3837 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3838 appData.getMoveList && !reqFlag) {
3839 /* Need to get game history */
3840 ics_getting_history = H_REQUESTED;
3841 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3845 /* Initially flip the board to have black on the bottom if playing
3846 black or if the ICS flip flag is set, but let the user change
3847 it with the Flip View button. */
3848 flipView = appData.autoFlipView ?
3849 (newGameMode == IcsPlayingBlack) || ics_flip :
3852 /* Done with values from previous mode; copy in new ones */
3853 gameMode = newGameMode;
3855 ics_gamenum = gamenum;
3856 if (gamenum == gs_gamenum) {
3857 int klen = strlen(gs_kind);
3858 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3859 sprintf(str, "ICS %s", gs_kind);
3860 gameInfo.event = StrSave(str);
3862 gameInfo.event = StrSave("ICS game");
3864 gameInfo.site = StrSave(appData.icsHost);
3865 gameInfo.date = PGNDate();
3866 gameInfo.round = StrSave("-");
3867 gameInfo.white = StrSave(white);
3868 gameInfo.black = StrSave(black);
3869 timeControl = basetime * 60 * 1000;
3871 timeIncrement = increment * 1000;
3872 movesPerSession = 0;
3873 gameInfo.timeControl = TimeControlTagValue();
3874 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3875 if (appData.debugMode) {
3876 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3877 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3878 setbuf(debugFP, NULL);
3881 gameInfo.outOfBook = NULL;
3883 /* Do we have the ratings? */
3884 if (strcmp(player1Name, white) == 0 &&
3885 strcmp(player2Name, black) == 0) {
3886 if (appData.debugMode)
3887 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3888 player1Rating, player2Rating);
3889 gameInfo.whiteRating = player1Rating;
3890 gameInfo.blackRating = player2Rating;
3891 } else if (strcmp(player2Name, white) == 0 &&
3892 strcmp(player1Name, black) == 0) {
3893 if (appData.debugMode)
3894 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3895 player2Rating, player1Rating);
3896 gameInfo.whiteRating = player2Rating;
3897 gameInfo.blackRating = player1Rating;
3899 player1Name[0] = player2Name[0] = NULLCHAR;
3901 /* Silence shouts if requested */
3902 if (appData.quietPlay &&
3903 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3904 SendToICS(ics_prefix);
3905 SendToICS("set shout 0\n");
3909 /* Deal with midgame name changes */
3911 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3912 if (gameInfo.white) free(gameInfo.white);
3913 gameInfo.white = StrSave(white);
3915 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3916 if (gameInfo.black) free(gameInfo.black);
3917 gameInfo.black = StrSave(black);
3921 /* Throw away game result if anything actually changes in examine mode */
3922 if (gameMode == IcsExamining && !newGame) {
3923 gameInfo.result = GameUnfinished;
3924 if (gameInfo.resultDetails != NULL) {
3925 free(gameInfo.resultDetails);
3926 gameInfo.resultDetails = NULL;
3930 /* In pausing && IcsExamining mode, we ignore boards coming
3931 in if they are in a different variation than we are. */
3932 if (pauseExamInvalid) return;
3933 if (pausing && gameMode == IcsExamining) {
3934 if (moveNum <= pauseExamForwardMostMove) {
3935 pauseExamInvalid = TRUE;
3936 forwardMostMove = pauseExamForwardMostMove;
3941 if (appData.debugMode) {
3942 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3944 /* Parse the board */
3945 for (k = 0; k < ranks; k++) {
3946 for (j = 0; j < files; j++)
3947 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3948 if(gameInfo.holdingsWidth > 1) {
3949 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3950 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3953 CopyBoard(boards[moveNum], board);
3954 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3956 startedFromSetupPosition =
3957 !CompareBoards(board, initialPosition);
3958 if(startedFromSetupPosition)
3959 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3962 /* [HGM] Set castling rights. Take the outermost Rooks,
3963 to make it also work for FRC opening positions. Note that board12
3964 is really defective for later FRC positions, as it has no way to
3965 indicate which Rook can castle if they are on the same side of King.
3966 For the initial position we grant rights to the outermost Rooks,
3967 and remember thos rights, and we then copy them on positions
3968 later in an FRC game. This means WB might not recognize castlings with
3969 Rooks that have moved back to their original position as illegal,
3970 but in ICS mode that is not its job anyway.
3972 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3973 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3975 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3976 if(board[0][i] == WhiteRook) j = i;
3977 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3978 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3979 if(board[0][i] == WhiteRook) j = i;
3980 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3981 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3982 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3983 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3984 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
3985 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
3986 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
3988 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
3989 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3990 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
3991 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
3992 if(board[BOARD_HEIGHT-1][k] == bKing)
3993 initialRights[5] = boards[moveNum][CASTLING][5] = k;
3994 if(gameInfo.variant == VariantTwoKings) {
3995 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
3996 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
3997 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4000 r = boards[moveNum][CASTLING][0] = initialRights[0];
4001 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4002 r = boards[moveNum][CASTLING][1] = initialRights[1];
4003 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4004 r = boards[moveNum][CASTLING][3] = initialRights[3];
4005 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4006 r = boards[moveNum][CASTLING][4] = initialRights[4];
4007 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4008 /* wildcastle kludge: always assume King has rights */
4009 r = boards[moveNum][CASTLING][2] = initialRights[2];
4010 r = boards[moveNum][CASTLING][5] = initialRights[5];
4012 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4013 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4016 if (ics_getting_history == H_GOT_REQ_HEADER ||
4017 ics_getting_history == H_GOT_UNREQ_HEADER) {
4018 /* This was an initial position from a move list, not
4019 the current position */
4023 /* Update currentMove and known move number limits */
4024 newMove = newGame || moveNum > forwardMostMove;
4027 forwardMostMove = backwardMostMove = currentMove = moveNum;
4028 if (gameMode == IcsExamining && moveNum == 0) {
4029 /* Workaround for ICS limitation: we are not told the wild
4030 type when starting to examine a game. But if we ask for
4031 the move list, the move list header will tell us */
4032 ics_getting_history = H_REQUESTED;
4033 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4036 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4037 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4039 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4040 /* [HGM] applied this also to an engine that is silently watching */
4041 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4042 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4043 gameInfo.variant == currentlyInitializedVariant) {
4044 takeback = forwardMostMove - moveNum;
4045 for (i = 0; i < takeback; i++) {
4046 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4047 SendToProgram("undo\n", &first);
4052 forwardMostMove = moveNum;
4053 if (!pausing || currentMove > forwardMostMove)
4054 currentMove = forwardMostMove;
4056 /* New part of history that is not contiguous with old part */
4057 if (pausing && gameMode == IcsExamining) {
4058 pauseExamInvalid = TRUE;
4059 forwardMostMove = pauseExamForwardMostMove;
4062 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4064 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4065 // [HGM] when we will receive the move list we now request, it will be
4066 // fed to the engine from the first move on. So if the engine is not
4067 // in the initial position now, bring it there.
4068 InitChessProgram(&first, 0);
4071 ics_getting_history = H_REQUESTED;
4072 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4075 forwardMostMove = backwardMostMove = currentMove = moveNum;
4078 /* Update the clocks */
4079 if (strchr(elapsed_time, '.')) {
4081 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4082 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4084 /* Time is in seconds */
4085 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4086 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4091 if (appData.zippyPlay && newGame &&
4092 gameMode != IcsObserving && gameMode != IcsIdle &&
4093 gameMode != IcsExamining)
4094 ZippyFirstBoard(moveNum, basetime, increment);
4097 /* Put the move on the move list, first converting
4098 to canonical algebraic form. */
4100 if (appData.debugMode) {
4101 if (appData.debugMode) { int f = forwardMostMove;
4102 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4103 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4104 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4106 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4107 fprintf(debugFP, "moveNum = %d\n", moveNum);
4108 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4109 setbuf(debugFP, NULL);
4111 if (moveNum <= backwardMostMove) {
4112 /* We don't know what the board looked like before
4114 strcpy(parseList[moveNum - 1], move_str);
4115 strcat(parseList[moveNum - 1], " ");
4116 strcat(parseList[moveNum - 1], elapsed_time);
4117 moveList[moveNum - 1][0] = NULLCHAR;
4118 } else if (strcmp(move_str, "none") == 0) {
4119 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4120 /* Again, we don't know what the board looked like;
4121 this is really the start of the game. */
4122 parseList[moveNum - 1][0] = NULLCHAR;
4123 moveList[moveNum - 1][0] = NULLCHAR;
4124 backwardMostMove = moveNum;
4125 startedFromSetupPosition = TRUE;
4126 fromX = fromY = toX = toY = -1;
4128 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4129 // So we parse the long-algebraic move string in stead of the SAN move
4130 int valid; char buf[MSG_SIZ], *prom;
4132 // str looks something like "Q/a1-a2"; kill the slash
4134 sprintf(buf, "%c%s", str[0], str+2);
4135 else strcpy(buf, str); // might be castling
4136 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4137 strcat(buf, prom); // long move lacks promo specification!
4138 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4139 if(appData.debugMode)
4140 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4141 strcpy(move_str, buf);
4143 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4144 &fromX, &fromY, &toX, &toY, &promoChar)
4145 || ParseOneMove(buf, moveNum - 1, &moveType,
4146 &fromX, &fromY, &toX, &toY, &promoChar);
4147 // end of long SAN patch
4149 (void) CoordsToAlgebraic(boards[moveNum - 1],
4150 PosFlags(moveNum - 1),
4151 fromY, fromX, toY, toX, promoChar,
4152 parseList[moveNum-1]);
4153 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4159 if(gameInfo.variant != VariantShogi)
4160 strcat(parseList[moveNum - 1], "+");
4163 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4164 strcat(parseList[moveNum - 1], "#");
4167 strcat(parseList[moveNum - 1], " ");
4168 strcat(parseList[moveNum - 1], elapsed_time);
4169 /* currentMoveString is set as a side-effect of ParseOneMove */
4170 strcpy(moveList[moveNum - 1], currentMoveString);
4171 strcat(moveList[moveNum - 1], "\n");
4173 /* Move from ICS was illegal!? Punt. */
4174 if (appData.debugMode) {
4175 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4176 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4178 strcpy(parseList[moveNum - 1], move_str);
4179 strcat(parseList[moveNum - 1], " ");
4180 strcat(parseList[moveNum - 1], elapsed_time);
4181 moveList[moveNum - 1][0] = NULLCHAR;
4182 fromX = fromY = toX = toY = -1;
4185 if (appData.debugMode) {
4186 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4187 setbuf(debugFP, NULL);
4191 /* Send move to chess program (BEFORE animating it). */
4192 if (appData.zippyPlay && !newGame && newMove &&
4193 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4195 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4196 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4197 if (moveList[moveNum - 1][0] == NULLCHAR) {
4198 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4200 DisplayError(str, 0);
4202 if (first.sendTime) {
4203 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4205 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4206 if (firstMove && !bookHit) {
4208 if (first.useColors) {
4209 SendToProgram(gameMode == IcsPlayingWhite ?
4211 "black\ngo\n", &first);
4213 SendToProgram("go\n", &first);
4215 first.maybeThinking = TRUE;
4218 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4219 if (moveList[moveNum - 1][0] == NULLCHAR) {
4220 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4221 DisplayError(str, 0);
4223 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4224 SendMoveToProgram(moveNum - 1, &first);
4231 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4232 /* If move comes from a remote source, animate it. If it
4233 isn't remote, it will have already been animated. */
4234 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4235 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4237 if (!pausing && appData.highlightLastMove) {
4238 SetHighlights(fromX, fromY, toX, toY);
4242 /* Start the clocks */
4243 whiteFlag = blackFlag = FALSE;
4244 appData.clockMode = !(basetime == 0 && increment == 0);
4246 ics_clock_paused = TRUE;
4248 } else if (ticking == 1) {
4249 ics_clock_paused = FALSE;
4251 if (gameMode == IcsIdle ||
4252 relation == RELATION_OBSERVING_STATIC ||
4253 relation == RELATION_EXAMINING ||
4255 DisplayBothClocks();
4259 /* Display opponents and material strengths */
4260 if (gameInfo.variant != VariantBughouse &&
4261 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4262 if (tinyLayout || smallLayout) {
4263 if(gameInfo.variant == VariantNormal)
4264 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4265 gameInfo.white, white_stren, gameInfo.black, black_stren,
4266 basetime, increment);
4268 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4269 gameInfo.white, white_stren, gameInfo.black, black_stren,
4270 basetime, increment, (int) gameInfo.variant);
4272 if(gameInfo.variant == VariantNormal)
4273 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4274 gameInfo.white, white_stren, gameInfo.black, black_stren,
4275 basetime, increment);
4277 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4278 gameInfo.white, white_stren, gameInfo.black, black_stren,
4279 basetime, increment, VariantName(gameInfo.variant));
4282 if (appData.debugMode) {
4283 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4288 /* Display the board */
4289 if (!pausing && !appData.noGUI) {
4291 if (appData.premove)
4293 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4294 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4295 ClearPremoveHighlights();
4297 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4298 DrawPosition(j, boards[currentMove]);
4300 DisplayMove(moveNum - 1);
4301 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4302 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4303 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4304 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4308 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4310 if(bookHit) { // [HGM] book: simulate book reply
4311 static char bookMove[MSG_SIZ]; // a bit generous?
4313 programStats.nodes = programStats.depth = programStats.time =
4314 programStats.score = programStats.got_only_move = 0;
4315 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4317 strcpy(bookMove, "move ");
4318 strcat(bookMove, bookHit);
4319 HandleMachineMove(bookMove, &first);
4328 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4329 ics_getting_history = H_REQUESTED;
4330 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4336 AnalysisPeriodicEvent(force)
4339 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4340 && !force) || !appData.periodicUpdates)
4343 /* Send . command to Crafty to collect stats */
4344 SendToProgram(".\n", &first);
4346 /* Don't send another until we get a response (this makes
4347 us stop sending to old Crafty's which don't understand
4348 the "." command (sending illegal cmds resets node count & time,
4349 which looks bad)) */
4350 programStats.ok_to_send = 0;
4353 void ics_update_width(new_width)
4356 ics_printf("set width %d\n", new_width);
4360 SendMoveToProgram(moveNum, cps)
4362 ChessProgramState *cps;
4366 if (cps->useUsermove) {
4367 SendToProgram("usermove ", cps);
4371 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4372 int len = space - parseList[moveNum];
4373 memcpy(buf, parseList[moveNum], len);
4375 buf[len] = NULLCHAR;
4377 sprintf(buf, "%s\n", parseList[moveNum]);
4379 SendToProgram(buf, cps);
4381 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4382 AlphaRank(moveList[moveNum], 4);
4383 SendToProgram(moveList[moveNum], cps);
4384 AlphaRank(moveList[moveNum], 4); // and back
4386 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4387 * the engine. It would be nice to have a better way to identify castle
4389 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4390 && cps->useOOCastle) {
4391 int fromX = moveList[moveNum][0] - AAA;
4392 int fromY = moveList[moveNum][1] - ONE;
4393 int toX = moveList[moveNum][2] - AAA;
4394 int toY = moveList[moveNum][3] - ONE;
4395 if((boards[moveNum][fromY][fromX] == WhiteKing
4396 && boards[moveNum][toY][toX] == WhiteRook)
4397 || (boards[moveNum][fromY][fromX] == BlackKing
4398 && boards[moveNum][toY][toX] == BlackRook)) {
4399 if(toX > fromX) SendToProgram("O-O\n", cps);
4400 else SendToProgram("O-O-O\n", cps);
4402 else SendToProgram(moveList[moveNum], cps);
4404 else SendToProgram(moveList[moveNum], cps);
4405 /* End of additions by Tord */
4408 /* [HGM] setting up the opening has brought engine in force mode! */
4409 /* Send 'go' if we are in a mode where machine should play. */
4410 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4411 (gameMode == TwoMachinesPlay ||
4413 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4415 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4416 SendToProgram("go\n", cps);
4417 if (appData.debugMode) {
4418 fprintf(debugFP, "(extra)\n");
4421 setboardSpoiledMachineBlack = 0;
4425 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4427 int fromX, fromY, toX, toY;
4429 char user_move[MSG_SIZ];
4433 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4434 (int)moveType, fromX, fromY, toX, toY);
4435 DisplayError(user_move + strlen("say "), 0);
4437 case WhiteKingSideCastle:
4438 case BlackKingSideCastle:
4439 case WhiteQueenSideCastleWild:
4440 case BlackQueenSideCastleWild:
4442 case WhiteHSideCastleFR:
4443 case BlackHSideCastleFR:
4445 sprintf(user_move, "o-o\n");
4447 case WhiteQueenSideCastle:
4448 case BlackQueenSideCastle:
4449 case WhiteKingSideCastleWild:
4450 case BlackKingSideCastleWild:
4452 case WhiteASideCastleFR:
4453 case BlackASideCastleFR:
4455 sprintf(user_move, "o-o-o\n");
4457 case WhitePromotionQueen:
4458 case BlackPromotionQueen:
4459 case WhitePromotionRook:
4460 case BlackPromotionRook:
4461 case WhitePromotionBishop:
4462 case BlackPromotionBishop:
4463 case WhitePromotionKnight:
4464 case BlackPromotionKnight:
4465 case WhitePromotionKing:
4466 case BlackPromotionKing:
4467 case WhitePromotionChancellor:
4468 case BlackPromotionChancellor:
4469 case WhitePromotionArchbishop:
4470 case BlackPromotionArchbishop:
4471 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4472 sprintf(user_move, "%c%c%c%c=%c\n",
4473 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4474 PieceToChar(WhiteFerz));
4475 else if(gameInfo.variant == VariantGreat)
4476 sprintf(user_move, "%c%c%c%c=%c\n",
4477 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4478 PieceToChar(WhiteMan));
4480 sprintf(user_move, "%c%c%c%c=%c\n",
4481 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4482 PieceToChar(PromoPiece(moveType)));
4486 sprintf(user_move, "%c@%c%c\n",
4487 ToUpper(PieceToChar((ChessSquare) fromX)),
4488 AAA + toX, ONE + toY);
4491 case WhiteCapturesEnPassant:
4492 case BlackCapturesEnPassant:
4493 case IllegalMove: /* could be a variant we don't quite understand */
4494 sprintf(user_move, "%c%c%c%c\n",
4495 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4498 SendToICS(user_move);
4499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4504 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4509 if (rf == DROP_RANK) {
4510 sprintf(move, "%c@%c%c\n",
4511 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4513 if (promoChar == 'x' || promoChar == NULLCHAR) {
4514 sprintf(move, "%c%c%c%c\n",
4515 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4517 sprintf(move, "%c%c%c%c%c\n",
4518 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4524 ProcessICSInitScript(f)
4529 while (fgets(buf, MSG_SIZ, f)) {
4530 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4537 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4539 AlphaRank(char *move, int n)
4541 // char *p = move, c; int x, y;
4543 if (appData.debugMode) {
4544 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4548 move[2]>='0' && move[2]<='9' &&
4549 move[3]>='a' && move[3]<='x' ) {
4551 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4552 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4554 if(move[0]>='0' && move[0]<='9' &&
4555 move[1]>='a' && move[1]<='x' &&
4556 move[2]>='0' && move[2]<='9' &&
4557 move[3]>='a' && move[3]<='x' ) {
4558 /* input move, Shogi -> normal */
4559 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4560 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4561 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4562 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4565 move[3]>='0' && move[3]<='9' &&
4566 move[2]>='a' && move[2]<='x' ) {
4568 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4569 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4572 move[0]>='a' && move[0]<='x' &&
4573 move[3]>='0' && move[3]<='9' &&
4574 move[2]>='a' && move[2]<='x' ) {
4575 /* output move, normal -> Shogi */
4576 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4577 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4578 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4579 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4580 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4582 if (appData.debugMode) {
4583 fprintf(debugFP, " out = '%s'\n", move);
4587 /* Parser for moves from gnuchess, ICS, or user typein box */
4589 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4592 ChessMove *moveType;
4593 int *fromX, *fromY, *toX, *toY;
4596 if (appData.debugMode) {
4597 fprintf(debugFP, "move to parse: %s\n", move);
4599 *moveType = yylexstr(moveNum, move);
4601 switch (*moveType) {
4602 case WhitePromotionChancellor:
4603 case BlackPromotionChancellor:
4604 case WhitePromotionArchbishop:
4605 case BlackPromotionArchbishop:
4606 case WhitePromotionQueen:
4607 case BlackPromotionQueen:
4608 case WhitePromotionRook:
4609 case BlackPromotionRook:
4610 case WhitePromotionBishop:
4611 case BlackPromotionBishop:
4612 case WhitePromotionKnight:
4613 case BlackPromotionKnight:
4614 case WhitePromotionKing:
4615 case BlackPromotionKing:
4617 case WhiteCapturesEnPassant:
4618 case BlackCapturesEnPassant:
4619 case WhiteKingSideCastle:
4620 case WhiteQueenSideCastle:
4621 case BlackKingSideCastle:
4622 case BlackQueenSideCastle:
4623 case WhiteKingSideCastleWild:
4624 case WhiteQueenSideCastleWild:
4625 case BlackKingSideCastleWild:
4626 case BlackQueenSideCastleWild:
4627 /* Code added by Tord: */
4628 case WhiteHSideCastleFR:
4629 case WhiteASideCastleFR:
4630 case BlackHSideCastleFR:
4631 case BlackASideCastleFR:
4632 /* End of code added by Tord */
4633 case IllegalMove: /* bug or odd chess variant */
4634 *fromX = currentMoveString[0] - AAA;
4635 *fromY = currentMoveString[1] - ONE;
4636 *toX = currentMoveString[2] - AAA;
4637 *toY = currentMoveString[3] - ONE;
4638 *promoChar = currentMoveString[4];
4639 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4640 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4644 *fromX = *fromY = *toX = *toY = 0;
4647 if (appData.testLegality) {
4648 return (*moveType != IllegalMove);
4650 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4651 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4656 *fromX = *moveType == WhiteDrop ?
4657 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4658 (int) CharToPiece(ToLower(currentMoveString[0]));
4660 *toX = currentMoveString[2] - AAA;
4661 *toY = currentMoveString[3] - ONE;
4662 *promoChar = NULLCHAR;
4666 case ImpossibleMove:
4667 case (ChessMove) 0: /* end of file */
4676 if (appData.debugMode) {
4677 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4680 *fromX = *fromY = *toX = *toY = 0;
4681 *promoChar = NULLCHAR;
4689 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4690 int fromX, fromY, toX, toY; char promoChar;
4695 endPV = forwardMostMove;
4697 while(*pv == ' ') pv++;
4698 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4699 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4700 if(appData.debugMode){
4701 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4703 if(!valid && nr == 0 &&
4704 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4705 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4707 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4708 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4710 if(endPV+1 > framePtr) break; // no space, truncate
4713 CopyBoard(boards[endPV], boards[endPV-1]);
4714 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4715 moveList[endPV-1][0] = fromX + AAA;
4716 moveList[endPV-1][1] = fromY + ONE;
4717 moveList[endPV-1][2] = toX + AAA;
4718 moveList[endPV-1][3] = toY + ONE;
4719 parseList[endPV-1][0] = NULLCHAR;
4721 currentMove = endPV;
4722 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4723 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4724 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4725 DrawPosition(TRUE, boards[currentMove]);
4728 static int lastX, lastY;
4731 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4735 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4736 lastX = x; lastY = y;
4737 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4739 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4741 while(buf[index] && buf[index] != '\n') index++;
4743 ParsePV(buf+startPV);
4744 *start = startPV; *end = index-1;
4749 LoadPV(int x, int y)
4750 { // called on right mouse click to load PV
4751 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4752 lastX = x; lastY = y;
4753 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4760 if(endPV < 0) return;
4762 currentMove = forwardMostMove;
4763 ClearPremoveHighlights();
4764 DrawPosition(TRUE, boards[currentMove]);
4768 MovePV(int x, int y, int h)
4769 { // step through PV based on mouse coordinates (called on mouse move)
4770 int margin = h>>3, step = 0;
4772 if(endPV < 0) return;
4773 // we must somehow check if right button is still down (might be released off board!)
4774 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4775 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4776 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4778 lastX = x; lastY = y;
4779 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4780 currentMove += step;
4781 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4782 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4783 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4784 DrawPosition(FALSE, boards[currentMove]);
4788 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4789 // All positions will have equal probability, but the current method will not provide a unique
4790 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4796 int piecesLeft[(int)BlackPawn];
4797 int seed, nrOfShuffles;
4799 void GetPositionNumber()
4800 { // sets global variable seed
4803 seed = appData.defaultFrcPosition;
4804 if(seed < 0) { // randomize based on time for negative FRC position numbers
4805 for(i=0; i<50; i++) seed += random();
4806 seed = random() ^ random() >> 8 ^ random() << 8;
4807 if(seed<0) seed = -seed;
4811 int put(Board board, int pieceType, int rank, int n, int shade)
4812 // put the piece on the (n-1)-th empty squares of the given shade
4816 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4817 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4818 board[rank][i] = (ChessSquare) pieceType;
4819 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4821 piecesLeft[pieceType]--;
4829 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4830 // calculate where the next piece goes, (any empty square), and put it there
4834 i = seed % squaresLeft[shade];
4835 nrOfShuffles *= squaresLeft[shade];
4836 seed /= squaresLeft[shade];
4837 put(board, pieceType, rank, i, shade);
4840 void AddTwoPieces(Board board, int pieceType, int rank)
4841 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4843 int i, n=squaresLeft[ANY], j=n-1, k;
4845 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4846 i = seed % k; // pick one
4849 while(i >= j) i -= j--;
4850 j = n - 1 - j; i += j;
4851 put(board, pieceType, rank, j, ANY);
4852 put(board, pieceType, rank, i, ANY);
4855 void SetUpShuffle(Board board, int number)
4859 GetPositionNumber(); nrOfShuffles = 1;
4861 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4862 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4863 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4865 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4867 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4868 p = (int) board[0][i];
4869 if(p < (int) BlackPawn) piecesLeft[p] ++;
4870 board[0][i] = EmptySquare;
4873 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4874 // shuffles restricted to allow normal castling put KRR first
4875 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4876 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4877 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4878 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4879 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4880 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4881 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4882 put(board, WhiteRook, 0, 0, ANY);
4883 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4886 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4887 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4888 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4889 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4890 while(piecesLeft[p] >= 2) {
4891 AddOnePiece(board, p, 0, LITE);
4892 AddOnePiece(board, p, 0, DARK);
4894 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4897 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4898 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4899 // but we leave King and Rooks for last, to possibly obey FRC restriction
4900 if(p == (int)WhiteRook) continue;
4901 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4902 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4905 // now everything is placed, except perhaps King (Unicorn) and Rooks
4907 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4908 // Last King gets castling rights
4909 while(piecesLeft[(int)WhiteUnicorn]) {
4910 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4911 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4914 while(piecesLeft[(int)WhiteKing]) {
4915 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4916 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4921 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4922 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4925 // Only Rooks can be left; simply place them all
4926 while(piecesLeft[(int)WhiteRook]) {
4927 i = put(board, WhiteRook, 0, 0, ANY);
4928 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4931 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4933 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4936 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4937 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4940 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4943 int SetCharTable( char *table, const char * map )
4944 /* [HGM] moved here from winboard.c because of its general usefulness */
4945 /* Basically a safe strcpy that uses the last character as King */
4947 int result = FALSE; int NrPieces;
4949 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4950 && NrPieces >= 12 && !(NrPieces&1)) {
4951 int i; /* [HGM] Accept even length from 12 to 34 */
4953 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4954 for( i=0; i<NrPieces/2-1; i++ ) {
4956 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4958 table[(int) WhiteKing] = map[NrPieces/2-1];
4959 table[(int) BlackKing] = map[NrPieces-1];
4967 void Prelude(Board board)
4968 { // [HGM] superchess: random selection of exo-pieces
4969 int i, j, k; ChessSquare p;
4970 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4972 GetPositionNumber(); // use FRC position number
4974 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4975 SetCharTable(pieceToChar, appData.pieceToCharTable);
4976 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
4977 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
4980 j = seed%4; seed /= 4;
4981 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4982 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4983 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4984 j = seed%3 + (seed%3 >= j); seed /= 3;
4985 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
4986 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4987 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4988 j = seed%3; seed /= 3;
4989 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4990 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4991 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4992 j = seed%2 + (seed%2 >= j); seed /= 2;
4993 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
4994 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
4995 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
4996 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
4997 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
4998 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
4999 put(board, exoPieces[0], 0, 0, ANY);
5000 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5004 InitPosition(redraw)
5007 ChessSquare (* pieces)[BOARD_FILES];
5008 int i, j, pawnRow, overrule,
5009 oldx = gameInfo.boardWidth,
5010 oldy = gameInfo.boardHeight,
5011 oldh = gameInfo.holdingsWidth,
5012 oldv = gameInfo.variant;
5014 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5016 /* [AS] Initialize pv info list [HGM] and game status */
5018 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5019 pvInfoList[i].depth = 0;
5020 boards[i][EP_STATUS] = EP_NONE;
5021 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5024 initialRulePlies = 0; /* 50-move counter start */
5026 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5027 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5031 /* [HGM] logic here is completely changed. In stead of full positions */
5032 /* the initialized data only consist of the two backranks. The switch */
5033 /* selects which one we will use, which is than copied to the Board */
5034 /* initialPosition, which for the rest is initialized by Pawns and */
5035 /* empty squares. This initial position is then copied to boards[0], */
5036 /* possibly after shuffling, so that it remains available. */
5038 gameInfo.holdingsWidth = 0; /* default board sizes */
5039 gameInfo.boardWidth = 8;
5040 gameInfo.boardHeight = 8;
5041 gameInfo.holdingsSize = 0;
5042 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5043 for(i=0; i<BOARD_FILES-2; i++)
5044 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5045 initialPosition[EP_STATUS] = EP_NONE;
5046 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5048 switch (gameInfo.variant) {
5049 case VariantFischeRandom:
5050 shuffleOpenings = TRUE;
5054 case VariantShatranj:
5055 pieces = ShatranjArray;
5056 nrCastlingRights = 0;
5057 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5060 pieces = makrukArray;
5061 nrCastlingRights = 0;
5062 startedFromSetupPosition = TRUE;
5063 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5065 case VariantTwoKings:
5066 pieces = twoKingsArray;
5068 case VariantCapaRandom:
5069 shuffleOpenings = TRUE;
5070 case VariantCapablanca:
5071 pieces = CapablancaArray;
5072 gameInfo.boardWidth = 10;
5073 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5076 pieces = GothicArray;
5077 gameInfo.boardWidth = 10;
5078 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5081 pieces = JanusArray;
5082 gameInfo.boardWidth = 10;
5083 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5084 nrCastlingRights = 6;
5085 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5086 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5087 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5088 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5089 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5090 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5093 pieces = FalconArray;
5094 gameInfo.boardWidth = 10;
5095 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5097 case VariantXiangqi:
5098 pieces = XiangqiArray;
5099 gameInfo.boardWidth = 9;
5100 gameInfo.boardHeight = 10;
5101 nrCastlingRights = 0;
5102 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5105 pieces = ShogiArray;
5106 gameInfo.boardWidth = 9;
5107 gameInfo.boardHeight = 9;
5108 gameInfo.holdingsSize = 7;
5109 nrCastlingRights = 0;
5110 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5112 case VariantCourier:
5113 pieces = CourierArray;
5114 gameInfo.boardWidth = 12;
5115 nrCastlingRights = 0;
5116 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5118 case VariantKnightmate:
5119 pieces = KnightmateArray;
5120 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5123 pieces = fairyArray;
5124 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5127 pieces = GreatArray;
5128 gameInfo.boardWidth = 10;
5129 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5130 gameInfo.holdingsSize = 8;
5134 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5135 gameInfo.holdingsSize = 8;
5136 startedFromSetupPosition = TRUE;
5138 case VariantCrazyhouse:
5139 case VariantBughouse:
5141 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5142 gameInfo.holdingsSize = 5;
5144 case VariantWildCastle:
5146 /* !!?shuffle with kings guaranteed to be on d or e file */
5147 shuffleOpenings = 1;
5149 case VariantNoCastle:
5151 nrCastlingRights = 0;
5152 /* !!?unconstrained back-rank shuffle */
5153 shuffleOpenings = 1;
5158 if(appData.NrFiles >= 0) {
5159 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5160 gameInfo.boardWidth = appData.NrFiles;
5162 if(appData.NrRanks >= 0) {
5163 gameInfo.boardHeight = appData.NrRanks;
5165 if(appData.holdingsSize >= 0) {
5166 i = appData.holdingsSize;
5167 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5168 gameInfo.holdingsSize = i;
5170 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5171 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5172 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5174 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5175 if(pawnRow < 1) pawnRow = 1;
5176 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5178 /* User pieceToChar list overrules defaults */
5179 if(appData.pieceToCharTable != NULL)
5180 SetCharTable(pieceToChar, appData.pieceToCharTable);
5182 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5184 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5185 s = (ChessSquare) 0; /* account holding counts in guard band */
5186 for( i=0; i<BOARD_HEIGHT; i++ )
5187 initialPosition[i][j] = s;
5189 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5190 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5191 initialPosition[pawnRow][j] = WhitePawn;
5192 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5193 if(gameInfo.variant == VariantXiangqi) {
5195 initialPosition[pawnRow][j] =
5196 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5197 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5198 initialPosition[2][j] = WhiteCannon;
5199 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5203 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5205 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5208 initialPosition[1][j] = WhiteBishop;
5209 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5211 initialPosition[1][j] = WhiteRook;
5212 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5215 if( nrCastlingRights == -1) {
5216 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5217 /* This sets default castling rights from none to normal corners */
5218 /* Variants with other castling rights must set them themselves above */
5219 nrCastlingRights = 6;
5221 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5222 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5223 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5224 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5225 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5226 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5229 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5230 if(gameInfo.variant == VariantGreat) { // promotion commoners
5231 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5232 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5233 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5234 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5236 if (appData.debugMode) {
5237 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5239 if(shuffleOpenings) {
5240 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5241 startedFromSetupPosition = TRUE;
5243 if(startedFromPositionFile) {
5244 /* [HGM] loadPos: use PositionFile for every new game */
5245 CopyBoard(initialPosition, filePosition);
5246 for(i=0; i<nrCastlingRights; i++)
5247 initialRights[i] = filePosition[CASTLING][i];
5248 startedFromSetupPosition = TRUE;
5251 CopyBoard(boards[0], initialPosition);
5253 if(oldx != gameInfo.boardWidth ||
5254 oldy != gameInfo.boardHeight ||
5255 oldh != gameInfo.holdingsWidth
5257 || oldv == VariantGothic || // For licensing popups
5258 gameInfo.variant == VariantGothic
5261 || oldv == VariantFalcon ||
5262 gameInfo.variant == VariantFalcon
5265 InitDrawingSizes(-2 ,0);
5268 DrawPosition(TRUE, boards[currentMove]);
5272 SendBoard(cps, moveNum)
5273 ChessProgramState *cps;
5276 char message[MSG_SIZ];
5278 if (cps->useSetboard) {
5279 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5280 sprintf(message, "setboard %s\n", fen);
5281 SendToProgram(message, cps);
5287 /* Kludge to set black to move, avoiding the troublesome and now
5288 * deprecated "black" command.
5290 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5292 SendToProgram("edit\n", cps);
5293 SendToProgram("#\n", cps);
5294 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5295 bp = &boards[moveNum][i][BOARD_LEFT];
5296 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5297 if ((int) *bp < (int) BlackPawn) {
5298 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5300 if(message[0] == '+' || message[0] == '~') {
5301 sprintf(message, "%c%c%c+\n",
5302 PieceToChar((ChessSquare)(DEMOTED *bp)),
5305 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5306 message[1] = BOARD_RGHT - 1 - j + '1';
5307 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5309 SendToProgram(message, cps);
5314 SendToProgram("c\n", cps);
5315 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5316 bp = &boards[moveNum][i][BOARD_LEFT];
5317 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5318 if (((int) *bp != (int) EmptySquare)
5319 && ((int) *bp >= (int) BlackPawn)) {
5320 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5322 if(message[0] == '+' || message[0] == '~') {
5323 sprintf(message, "%c%c%c+\n",
5324 PieceToChar((ChessSquare)(DEMOTED *bp)),
5327 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5328 message[1] = BOARD_RGHT - 1 - j + '1';
5329 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5331 SendToProgram(message, cps);
5336 SendToProgram(".\n", cps);
5338 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5342 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5344 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5345 /* [HGM] add Shogi promotions */
5346 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5351 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5352 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5354 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5355 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5358 piece = boards[currentMove][fromY][fromX];
5359 if(gameInfo.variant == VariantShogi) {
5360 promotionZoneSize = 3;
5361 highestPromotingPiece = (int)WhiteFerz;
5362 } else if(gameInfo.variant == VariantMakruk) {
5363 promotionZoneSize = 3;
5366 // next weed out all moves that do not touch the promotion zone at all
5367 if((int)piece >= BlackPawn) {
5368 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5370 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5372 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5373 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5376 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5378 // weed out mandatory Shogi promotions
5379 if(gameInfo.variant == VariantShogi) {
5380 if(piece >= BlackPawn) {
5381 if(toY == 0 && piece == BlackPawn ||
5382 toY == 0 && piece == BlackQueen ||
5383 toY <= 1 && piece == BlackKnight) {
5388 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5389 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5390 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5397 // weed out obviously illegal Pawn moves
5398 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5399 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5400 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5401 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5402 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5403 // note we are not allowed to test for valid (non-)capture, due to premove
5406 // we either have a choice what to promote to, or (in Shogi) whether to promote
5407 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5408 *promoChoice = PieceToChar(BlackFerz); // no choice
5411 if(appData.alwaysPromoteToQueen) { // predetermined
5412 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5413 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5414 else *promoChoice = PieceToChar(BlackQueen);
5418 // suppress promotion popup on illegal moves that are not premoves
5419 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5420 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5421 if(appData.testLegality && !premove) {
5422 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5423 fromY, fromX, toY, toX, NULLCHAR);
5424 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5425 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5433 InPalace(row, column)
5435 { /* [HGM] for Xiangqi */
5436 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5437 column < (BOARD_WIDTH + 4)/2 &&
5438 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5443 PieceForSquare (x, y)
5447 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5450 return boards[currentMove][y][x];
5454 OKToStartUserMove(x, y)
5457 ChessSquare from_piece;
5460 if (matchMode) return FALSE;
5461 if (gameMode == EditPosition) return TRUE;
5463 if (x >= 0 && y >= 0)
5464 from_piece = boards[currentMove][y][x];
5466 from_piece = EmptySquare;
5468 if (from_piece == EmptySquare) return FALSE;
5470 white_piece = (int)from_piece >= (int)WhitePawn &&
5471 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5474 case PlayFromGameFile:
5476 case TwoMachinesPlay:
5484 case MachinePlaysWhite:
5485 case IcsPlayingBlack:
5486 if (appData.zippyPlay) return FALSE;
5488 DisplayMoveError(_("You are playing Black"));
5493 case MachinePlaysBlack:
5494 case IcsPlayingWhite:
5495 if (appData.zippyPlay) return FALSE;
5497 DisplayMoveError(_("You are playing White"));
5503 if (!white_piece && WhiteOnMove(currentMove)) {
5504 DisplayMoveError(_("It is White's turn"));
5507 if (white_piece && !WhiteOnMove(currentMove)) {
5508 DisplayMoveError(_("It is Black's turn"));
5511 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5512 /* Editing correspondence game history */
5513 /* Could disallow this or prompt for confirmation */
5518 case BeginningOfGame:
5519 if (appData.icsActive) return FALSE;
5520 if (!appData.noChessProgram) {
5522 DisplayMoveError(_("You are playing White"));
5529 if (!white_piece && WhiteOnMove(currentMove)) {
5530 DisplayMoveError(_("It is White's turn"));
5533 if (white_piece && !WhiteOnMove(currentMove)) {
5534 DisplayMoveError(_("It is Black's turn"));
5543 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5544 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5545 && gameMode != AnalyzeFile && gameMode != Training) {
5546 DisplayMoveError(_("Displayed position is not current"));
5552 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5553 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5554 int lastLoadGameUseList = FALSE;
5555 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5556 ChessMove lastLoadGameStart = (ChessMove) 0;
5559 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5560 int fromX, fromY, toX, toY;
5565 ChessSquare pdown, pup;
5567 /* Check if the user is playing in turn. This is complicated because we
5568 let the user "pick up" a piece before it is his turn. So the piece he
5569 tried to pick up may have been captured by the time he puts it down!
5570 Therefore we use the color the user is supposed to be playing in this
5571 test, not the color of the piece that is currently on the starting
5572 square---except in EditGame mode, where the user is playing both
5573 sides; fortunately there the capture race can't happen. (It can
5574 now happen in IcsExamining mode, but that's just too bad. The user
5575 will get a somewhat confusing message in that case.)
5579 case PlayFromGameFile:
5581 case TwoMachinesPlay:
5585 /* We switched into a game mode where moves are not accepted,
5586 perhaps while the mouse button was down. */
5587 return ImpossibleMove;
5589 case MachinePlaysWhite:
5590 /* User is moving for Black */
5591 if (WhiteOnMove(currentMove)) {
5592 DisplayMoveError(_("It is White's turn"));
5593 return ImpossibleMove;
5597 case MachinePlaysBlack:
5598 /* User is moving for White */
5599 if (!WhiteOnMove(currentMove)) {
5600 DisplayMoveError(_("It is Black's turn"));
5601 return ImpossibleMove;
5607 case BeginningOfGame:
5610 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5611 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5612 /* User is moving for Black */
5613 if (WhiteOnMove(currentMove)) {
5614 DisplayMoveError(_("It is White's turn"));
5615 return ImpossibleMove;
5618 /* User is moving for White */
5619 if (!WhiteOnMove(currentMove)) {
5620 DisplayMoveError(_("It is Black's turn"));
5621 return ImpossibleMove;
5626 case IcsPlayingBlack:
5627 /* User is moving for Black */
5628 if (WhiteOnMove(currentMove)) {
5629 if (!appData.premove) {
5630 DisplayMoveError(_("It is White's turn"));
5631 } else if (toX >= 0 && toY >= 0) {
5634 premoveFromX = fromX;
5635 premoveFromY = fromY;
5636 premovePromoChar = promoChar;
5638 if (appData.debugMode)
5639 fprintf(debugFP, "Got premove: fromX %d,"
5640 "fromY %d, toX %d, toY %d\n",
5641 fromX, fromY, toX, toY);
5643 return ImpossibleMove;
5647 case IcsPlayingWhite:
5648 /* User is moving for White */
5649 if (!WhiteOnMove(currentMove)) {
5650 if (!appData.premove) {
5651 DisplayMoveError(_("It is Black's turn"));
5652 } else if (toX >= 0 && toY >= 0) {
5655 premoveFromX = fromX;
5656 premoveFromY = fromY;
5657 premovePromoChar = promoChar;
5659 if (appData.debugMode)
5660 fprintf(debugFP, "Got premove: fromX %d,"
5661 "fromY %d, toX %d, toY %d\n",
5662 fromX, fromY, toX, toY);
5664 return ImpossibleMove;
5672 /* EditPosition, empty square, or different color piece;
5673 click-click move is possible */
5674 if (toX == -2 || toY == -2) {
5675 boards[0][fromY][fromX] = EmptySquare;
5676 return AmbiguousMove;
5677 } else if (toX >= 0 && toY >= 0) {
5678 boards[0][toY][toX] = boards[0][fromY][fromX];
5679 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5680 if(boards[0][fromY][0] != EmptySquare) {
5681 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5682 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5685 if(fromX == BOARD_RGHT+1) {
5686 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5687 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5688 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5691 boards[0][fromY][fromX] = EmptySquare;
5692 return AmbiguousMove;
5694 return ImpossibleMove;
5697 if(toX < 0 || toY < 0) return ImpossibleMove;
5698 pdown = boards[currentMove][fromY][fromX];
5699 pup = boards[currentMove][toY][toX];
5701 /* [HGM] If move started in holdings, it means a drop */
5702 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5703 if( pup != EmptySquare ) return ImpossibleMove;
5704 if(appData.testLegality) {
5705 /* it would be more logical if LegalityTest() also figured out
5706 * which drops are legal. For now we forbid pawns on back rank.
5707 * Shogi is on its own here...
5709 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5710 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5711 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5713 return WhiteDrop; /* Not needed to specify white or black yet */
5716 /* [HGM] always test for legality, to get promotion info */
5717 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5718 fromY, fromX, toY, toX, promoChar);
5719 /* [HGM] but possibly ignore an IllegalMove result */
5720 if (appData.testLegality) {
5721 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5722 DisplayMoveError(_("Illegal move"));
5723 return ImpossibleMove;
5728 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5729 function is made into one that returns an OK move type if FinishMove
5730 should be called. This to give the calling driver routine the
5731 opportunity to finish the userMove input with a promotion popup,
5732 without bothering the user with this for invalid or illegal moves */
5734 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5737 /* Common tail of UserMoveEvent and DropMenuEvent */
5739 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5741 int fromX, fromY, toX, toY;
5742 /*char*/int promoChar;
5746 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5747 // [HGM] superchess: suppress promotions to non-available piece
5748 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5749 if(WhiteOnMove(currentMove)) {
5750 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5752 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5756 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5757 move type in caller when we know the move is a legal promotion */
5758 if(moveType == NormalMove && promoChar)
5759 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5761 /* [HGM] convert drag-and-drop piece drops to standard form */
5762 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5763 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5764 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5765 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5766 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5767 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5768 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5769 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5773 /* [HGM] <popupFix> The following if has been moved here from
5774 UserMoveEvent(). Because it seemed to belong here (why not allow
5775 piece drops in training games?), and because it can only be
5776 performed after it is known to what we promote. */
5777 if (gameMode == Training) {
5778 /* compare the move played on the board to the next move in the
5779 * game. If they match, display the move and the opponent's response.
5780 * If they don't match, display an error message.
5784 CopyBoard(testBoard, boards[currentMove]);
5785 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5787 if (CompareBoards(testBoard, boards[currentMove+1])) {
5788 ForwardInner(currentMove+1);
5790 /* Autoplay the opponent's response.
5791 * if appData.animate was TRUE when Training mode was entered,
5792 * the response will be animated.
5794 saveAnimate = appData.animate;
5795 appData.animate = animateTraining;
5796 ForwardInner(currentMove+1);
5797 appData.animate = saveAnimate;
5799 /* check for the end of the game */
5800 if (currentMove >= forwardMostMove) {
5801 gameMode = PlayFromGameFile;
5803 SetTrainingModeOff();
5804 DisplayInformation(_("End of game"));
5807 DisplayError(_("Incorrect move"), 0);
5812 /* Ok, now we know that the move is good, so we can kill
5813 the previous line in Analysis Mode */
5814 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5815 && currentMove < forwardMostMove) {
5816 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5819 /* If we need the chess program but it's dead, restart it */
5820 ResurrectChessProgram();
5822 /* A user move restarts a paused game*/
5826 thinkOutput[0] = NULLCHAR;
5828 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5830 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5832 if (gameMode == BeginningOfGame) {
5833 if (appData.noChessProgram) {
5834 gameMode = EditGame;
5838 gameMode = MachinePlaysBlack;
5841 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5843 if (first.sendName) {
5844 sprintf(buf, "name %s\n", gameInfo.white);
5845 SendToProgram(buf, &first);
5852 /* Relay move to ICS or chess engine */
5853 if (appData.icsActive) {
5854 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5855 gameMode == IcsExamining) {
5856 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5857 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5859 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5861 // also send plain move, in case ICS does not understand atomic claims
5862 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5866 if (first.sendTime && (gameMode == BeginningOfGame ||
5867 gameMode == MachinePlaysWhite ||
5868 gameMode == MachinePlaysBlack)) {
5869 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5871 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5872 // [HGM] book: if program might be playing, let it use book
5873 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5874 first.maybeThinking = TRUE;
5875 } else SendMoveToProgram(forwardMostMove-1, &first);
5876 if (currentMove == cmailOldMove + 1) {
5877 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5881 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5885 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5891 if (WhiteOnMove(currentMove)) {
5892 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5894 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5898 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5903 case MachinePlaysBlack:
5904 case MachinePlaysWhite:
5905 /* disable certain menu options while machine is thinking */
5906 SetMachineThinkingEnables();
5913 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
5915 if(bookHit) { // [HGM] book: simulate book reply
5916 static char bookMove[MSG_SIZ]; // a bit generous?
5918 programStats.nodes = programStats.depth = programStats.time =
5919 programStats.score = programStats.got_only_move = 0;
5920 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5922 strcpy(bookMove, "move ");
5923 strcat(bookMove, bookHit);
5924 HandleMachineMove(bookMove, &first);
5930 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5931 int fromX, fromY, toX, toY;
5934 /* [HGM] This routine was added to allow calling of its two logical
5935 parts from other modules in the old way. Before, UserMoveEvent()
5936 automatically called FinishMove() if the move was OK, and returned
5937 otherwise. I separated the two, in order to make it possible to
5938 slip a promotion popup in between. But that it always needs two
5939 calls, to the first part, (now called UserMoveTest() ), and to
5940 FinishMove if the first part succeeded. Calls that do not need
5941 to do anything in between, can call this routine the old way.
5943 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
5944 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
5945 if(moveType == AmbiguousMove)
5946 DrawPosition(FALSE, boards[currentMove]);
5947 else if(moveType != ImpossibleMove && moveType != Comment)
5948 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
5952 Mark(board, flags, kind, rf, ff, rt, ft, closure)
5959 typedef char Markers[BOARD_RANKS][BOARD_FILES];
5960 Markers *m = (Markers *) closure;
5961 if(rf == fromY && ff == fromX)
5962 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
5963 || kind == WhiteCapturesEnPassant
5964 || kind == BlackCapturesEnPassant);
5965 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
5969 MarkTargetSquares(int clear)
5972 if(!appData.markers || !appData.highlightDragging ||
5973 !appData.testLegality || gameMode == EditPosition) return;
5975 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
5978 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
5979 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
5980 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
5982 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
5985 DrawPosition(TRUE, NULL);
5988 void LeftClick(ClickType clickType, int xPix, int yPix)
5991 Boolean saveAnimate;
5992 static int second = 0, promotionChoice = 0;
5993 char promoChoice = NULLCHAR;
5995 if(appData.seekGraph && appData.icsActive && loggedOn &&
5996 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
5997 SeekGraphClick(clickType, xPix, yPix, 0);
6001 if (clickType == Press) ErrorPopDown();
6002 MarkTargetSquares(1);
6004 x = EventToSquare(xPix, BOARD_WIDTH);
6005 y = EventToSquare(yPix, BOARD_HEIGHT);
6006 if (!flipView && y >= 0) {
6007 y = BOARD_HEIGHT - 1 - y;
6009 if (flipView && x >= 0) {
6010 x = BOARD_WIDTH - 1 - x;
6013 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6014 if(clickType == Release) return; // ignore upclick of click-click destination
6015 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6016 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6017 if(gameInfo.holdingsWidth &&
6018 (WhiteOnMove(currentMove)
6019 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6020 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6021 // click in right holdings, for determining promotion piece
6022 ChessSquare p = boards[currentMove][y][x];
6023 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6024 if(p != EmptySquare) {
6025 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6030 DrawPosition(FALSE, boards[currentMove]);
6034 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6035 if(clickType == Press
6036 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6037 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6038 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6042 if (clickType == Press) {
6044 if (OKToStartUserMove(x, y)) {
6048 MarkTargetSquares(0);
6049 DragPieceBegin(xPix, yPix);
6050 if (appData.highlightDragging) {
6051 SetHighlights(x, y, -1, -1);
6059 if (clickType == Press && gameMode != EditPosition) {
6064 // ignore off-board to clicks
6065 if(y < 0 || x < 0) return;
6067 /* Check if clicking again on the same color piece */
6068 fromP = boards[currentMove][fromY][fromX];
6069 toP = boards[currentMove][y][x];
6070 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6071 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6072 WhitePawn <= toP && toP <= WhiteKing &&
6073 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6074 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6075 (BlackPawn <= fromP && fromP <= BlackKing &&
6076 BlackPawn <= toP && toP <= BlackKing &&
6077 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6078 !(fromP == BlackKing && toP == BlackRook && frc))) {
6079 /* Clicked again on same color piece -- changed his mind */
6080 second = (x == fromX && y == fromY);
6081 if (appData.highlightDragging) {
6082 SetHighlights(x, y, -1, -1);
6086 if (OKToStartUserMove(x, y)) {
6089 MarkTargetSquares(0);
6090 DragPieceBegin(xPix, yPix);
6094 // ignore clicks on holdings
6095 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6098 if (clickType == Release && x == fromX && y == fromY) {
6099 DragPieceEnd(xPix, yPix);
6100 if (appData.animateDragging) {
6101 /* Undo animation damage if any */
6102 DrawPosition(FALSE, NULL);
6105 /* Second up/down in same square; just abort move */
6110 ClearPremoveHighlights();
6112 /* First upclick in same square; start click-click mode */
6113 SetHighlights(x, y, -1, -1);
6118 /* we now have a different from- and (possibly off-board) to-square */
6119 /* Completed move */
6122 saveAnimate = appData.animate;
6123 if (clickType == Press) {
6124 /* Finish clickclick move */
6125 if (appData.animate || appData.highlightLastMove) {
6126 SetHighlights(fromX, fromY, toX, toY);
6131 /* Finish drag move */
6132 if (appData.highlightLastMove) {
6133 SetHighlights(fromX, fromY, toX, toY);
6137 DragPieceEnd(xPix, yPix);
6138 /* Don't animate move and drag both */
6139 appData.animate = FALSE;
6142 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6143 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6144 ChessSquare piece = boards[currentMove][fromY][fromX];
6145 if(gameMode == EditPosition && piece != EmptySquare &&
6146 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6149 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6150 n = PieceToNumber(piece - (int)BlackPawn);
6151 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6152 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6153 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6155 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6156 n = PieceToNumber(piece);
6157 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6158 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6159 boards[currentMove][n][BOARD_WIDTH-2]++;
6161 boards[currentMove][fromY][fromX] = EmptySquare;
6165 DrawPosition(TRUE, boards[currentMove]);
6169 // off-board moves should not be highlighted
6170 if(x < 0 || x < 0) ClearHighlights();
6172 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6173 SetHighlights(fromX, fromY, toX, toY);
6174 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6175 // [HGM] super: promotion to captured piece selected from holdings
6176 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6177 promotionChoice = TRUE;
6178 // kludge follows to temporarily execute move on display, without promoting yet
6179 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6180 boards[currentMove][toY][toX] = p;
6181 DrawPosition(FALSE, boards[currentMove]);
6182 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6183 boards[currentMove][toY][toX] = q;
6184 DisplayMessage("Click in holdings to choose piece", "");
6189 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6190 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6191 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6194 appData.animate = saveAnimate;
6195 if (appData.animate || appData.animateDragging) {
6196 /* Undo animation damage if needed */
6197 DrawPosition(FALSE, NULL);
6201 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6202 { // front-end-free part taken out of PieceMenuPopup
6203 int whichMenu; int xSqr, ySqr;
6205 if(seekGraphUp) { // [HGM] seekgraph
6206 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6207 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6211 xSqr = EventToSquare(x, BOARD_WIDTH);
6212 ySqr = EventToSquare(y, BOARD_HEIGHT);
6213 if (action == Release) UnLoadPV(); // [HGM] pv
6214 if (action != Press) return -2; // return code to be ignored
6217 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6219 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6220 if (xSqr < 0 || ySqr < 0) return -1;
\r
6221 whichMenu = 0; // edit-position menu
6224 if(!appData.icsEngineAnalyze) return -1;
6225 case IcsPlayingWhite:
6226 case IcsPlayingBlack:
6227 if(!appData.zippyPlay) goto noZip;
6230 case MachinePlaysWhite:
6231 case MachinePlaysBlack:
6232 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6233 if (!appData.dropMenu) {
6235 return 2; // flag front-end to grab mouse events
6237 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6238 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6241 if (xSqr < 0 || ySqr < 0) return -1;
6242 if (!appData.dropMenu || appData.testLegality &&
6243 gameInfo.variant != VariantBughouse &&
6244 gameInfo.variant != VariantCrazyhouse) return -1;
6245 whichMenu = 1; // drop menu
6251 if (((*fromX = xSqr) < 0) ||
6252 ((*fromY = ySqr) < 0)) {
6253 *fromX = *fromY = -1;
6257 *fromX = BOARD_WIDTH - 1 - *fromX;
6259 *fromY = BOARD_HEIGHT - 1 - *fromY;
6264 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6266 // char * hint = lastHint;
6267 FrontEndProgramStats stats;
6269 stats.which = cps == &first ? 0 : 1;
6270 stats.depth = cpstats->depth;
6271 stats.nodes = cpstats->nodes;
6272 stats.score = cpstats->score;
6273 stats.time = cpstats->time;
6274 stats.pv = cpstats->movelist;
6275 stats.hint = lastHint;
6276 stats.an_move_index = 0;
6277 stats.an_move_count = 0;
6279 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6280 stats.hint = cpstats->move_name;
6281 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6282 stats.an_move_count = cpstats->nr_moves;
6285 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6287 SetProgramStats( &stats );
6291 Adjudicate(ChessProgramState *cps)
6292 { // [HGM] some adjudications useful with buggy engines
6293 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6294 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6295 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6296 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6297 int k, count = 0; static int bare = 1;
6298 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6299 Boolean canAdjudicate = !appData.icsActive;
6301 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6302 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6303 if( appData.testLegality )
6304 { /* [HGM] Some more adjudications for obstinate engines */
6305 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6306 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6307 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6308 static int moveCount = 6;
6310 char *reason = NULL;
6312 /* Count what is on board. */
6313 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6314 { ChessSquare p = boards[forwardMostMove][i][j];
6318 { /* count B,N,R and other of each side */
6321 NrK++; break; // [HGM] atomic: count Kings
6325 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6326 bishopsColor |= 1 << ((i^j)&1);
6331 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6332 bishopsColor |= 1 << ((i^j)&1);
6347 PawnAdvance += m; NrPawns++;
6349 NrPieces += (p != EmptySquare);
6350 NrW += ((int)p < (int)BlackPawn);
6351 if(gameInfo.variant == VariantXiangqi &&
6352 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6353 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6354 NrW -= ((int)p < (int)BlackPawn);
6358 /* Some material-based adjudications that have to be made before stalemate test */
6359 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6360 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6361 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6362 if(canAdjudicate && appData.checkMates) {
6364 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6365 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6366 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6367 "Xboard adjudication: King destroyed", GE_XBOARD );
6372 /* Bare King in Shatranj (loses) or Losers (wins) */
6373 if( NrW == 1 || NrPieces - NrW == 1) {
6374 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6375 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6376 if(canAdjudicate && appData.checkMates) {
6378 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6379 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6380 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6381 "Xboard adjudication: Bare king", GE_XBOARD );
6385 if( gameInfo.variant == VariantShatranj && --bare < 0)
6387 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6388 if(canAdjudicate && appData.checkMates) {
6389 /* but only adjudicate if adjudication enabled */
6391 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6392 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6393 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6394 "Xboard adjudication: Bare king", GE_XBOARD );
6401 // don't wait for engine to announce game end if we can judge ourselves
6402 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6404 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6405 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6406 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6407 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6410 reason = "Xboard adjudication: 3rd check";
6411 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6421 reason = "Xboard adjudication: Stalemate";
6422 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6423 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6424 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6425 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6426 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6427 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6428 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6429 EP_CHECKMATE : EP_WINS);
6430 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6431 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6435 reason = "Xboard adjudication: Checkmate";
6436 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6440 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6442 result = GameIsDrawn; break;
6444 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6446 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6448 result = (ChessMove) 0;
6450 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6452 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6453 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6454 GameEnds( result, reason, GE_XBOARD );
6458 /* Next absolutely insufficient mating material. */
6459 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6460 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6461 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6462 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6463 { /* KBK, KNK, KK of KBKB with like Bishops */
6465 /* always flag draws, for judging claims */
6466 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6468 if(canAdjudicate && appData.materialDraws) {
6469 /* but only adjudicate them if adjudication enabled */
6470 if(engineOpponent) {
6471 SendToProgram("force\n", engineOpponent); // suppress reply
6472 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6474 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6475 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6480 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6482 ( NrWR == 1 && NrBR == 1 /* KRKR */
6483 || NrWQ==1 && NrBQ==1 /* KQKQ */
6484 || NrWN==2 || NrBN==2 /* KNNK */
6485 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6487 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6488 { /* if the first 3 moves do not show a tactical win, declare draw */
6489 if(engineOpponent) {
6490 SendToProgram("force\n", engineOpponent); // suppress reply
6491 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6493 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6494 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6497 } else moveCount = 6;
6501 if (appData.debugMode) { int i;
6502 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6503 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6504 appData.drawRepeats);
6505 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6506 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6510 // Repetition draws and 50-move rule can be applied independently of legality testing
6512 /* Check for rep-draws */
6514 for(k = forwardMostMove-2;
6515 k>=backwardMostMove && k>=forwardMostMove-100 &&
6516 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6517 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6520 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6521 /* compare castling rights */
6522 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6523 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6524 rights++; /* King lost rights, while rook still had them */
6525 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6526 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6527 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6528 rights++; /* but at least one rook lost them */
6530 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6531 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6533 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6534 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6535 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6538 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6539 && appData.drawRepeats > 1) {
6540 /* adjudicate after user-specified nr of repeats */
6541 if(engineOpponent) {
6542 SendToProgram("force\n", engineOpponent); // suppress reply
6543 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6545 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6546 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6547 // [HGM] xiangqi: check for forbidden perpetuals
6548 int m, ourPerpetual = 1, hisPerpetual = 1;
6549 for(m=forwardMostMove; m>k; m-=2) {
6550 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6551 ourPerpetual = 0; // the current mover did not always check
6552 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6553 hisPerpetual = 0; // the opponent did not always check
6555 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6556 ourPerpetual, hisPerpetual);
6557 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6558 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6559 "Xboard adjudication: perpetual checking", GE_XBOARD );
6562 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6563 break; // (or we would have caught him before). Abort repetition-checking loop.
6564 // Now check for perpetual chases
6565 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6566 hisPerpetual = PerpetualChase(k, forwardMostMove);
6567 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6568 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6569 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6570 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6573 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6574 break; // Abort repetition-checking loop.
6576 // if neither of us is checking or chasing all the time, or both are, it is draw
6578 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6581 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6582 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6586 /* Now we test for 50-move draws. Determine ply count */
6587 count = forwardMostMove;
6588 /* look for last irreversble move */
6589 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6591 /* if we hit starting position, add initial plies */
6592 if( count == backwardMostMove )
6593 count -= initialRulePlies;
6594 count = forwardMostMove - count;
6596 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6597 /* this is used to judge if draw claims are legal */
6598 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6599 if(engineOpponent) {
6600 SendToProgram("force\n", engineOpponent); // suppress reply
6601 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6603 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6604 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6608 /* if draw offer is pending, treat it as a draw claim
6609 * when draw condition present, to allow engines a way to
6610 * claim draws before making their move to avoid a race
6611 * condition occurring after their move
6613 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6615 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6616 p = "Draw claim: 50-move rule";
6617 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6618 p = "Draw claim: 3-fold repetition";
6619 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6620 p = "Draw claim: insufficient mating material";
6621 if( p != NULL && canAdjudicate) {
6622 if(engineOpponent) {
6623 SendToProgram("force\n", engineOpponent); // suppress reply
6624 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6626 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6627 GameEnds( GameIsDrawn, p, GE_XBOARD );
6632 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6633 if(engineOpponent) {
6634 SendToProgram("force\n", engineOpponent); // suppress reply
6635 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6637 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6638 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6644 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6645 { // [HGM] book: this routine intercepts moves to simulate book replies
6646 char *bookHit = NULL;
6648 //first determine if the incoming move brings opponent into his book
6649 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6650 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6651 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6652 if(bookHit != NULL && !cps->bookSuspend) {
6653 // make sure opponent is not going to reply after receiving move to book position
6654 SendToProgram("force\n", cps);
6655 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6657 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6658 // now arrange restart after book miss
6660 // after a book hit we never send 'go', and the code after the call to this routine
6661 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6663 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6664 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6665 SendToProgram(buf, cps);
6666 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6667 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6668 SendToProgram("go\n", cps);
6669 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6670 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6671 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6672 SendToProgram("go\n", cps);
6673 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6675 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6679 ChessProgramState *savedState;
6680 void DeferredBookMove(void)
6682 if(savedState->lastPing != savedState->lastPong)
6683 ScheduleDelayedEvent(DeferredBookMove, 10);
6685 HandleMachineMove(savedMessage, savedState);
6689 HandleMachineMove(message, cps)
6691 ChessProgramState *cps;
6693 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6694 char realname[MSG_SIZ];
6695 int fromX, fromY, toX, toY;
6704 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6706 * Kludge to ignore BEL characters
6708 while (*message == '\007') message++;
6711 * [HGM] engine debug message: ignore lines starting with '#' character
6713 if(cps->debug && *message == '#') return;
6716 * Look for book output
6718 if (cps == &first && bookRequested) {
6719 if (message[0] == '\t' || message[0] == ' ') {
6720 /* Part of the book output is here; append it */
6721 strcat(bookOutput, message);
6722 strcat(bookOutput, " \n");
6724 } else if (bookOutput[0] != NULLCHAR) {
6725 /* All of book output has arrived; display it */
6726 char *p = bookOutput;
6727 while (*p != NULLCHAR) {
6728 if (*p == '\t') *p = ' ';
6731 DisplayInformation(bookOutput);
6732 bookRequested = FALSE;
6733 /* Fall through to parse the current output */
6738 * Look for machine move.
6740 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6741 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6743 /* This method is only useful on engines that support ping */
6744 if (cps->lastPing != cps->lastPong) {
6745 if (gameMode == BeginningOfGame) {
6746 /* Extra move from before last new; ignore */
6747 if (appData.debugMode) {
6748 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6751 if (appData.debugMode) {
6752 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6753 cps->which, gameMode);
6756 SendToProgram("undo\n", cps);
6762 case BeginningOfGame:
6763 /* Extra move from before last reset; ignore */
6764 if (appData.debugMode) {
6765 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6772 /* Extra move after we tried to stop. The mode test is
6773 not a reliable way of detecting this problem, but it's
6774 the best we can do on engines that don't support ping.
6776 if (appData.debugMode) {
6777 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6778 cps->which, gameMode);
6780 SendToProgram("undo\n", cps);
6783 case MachinePlaysWhite:
6784 case IcsPlayingWhite:
6785 machineWhite = TRUE;
6788 case MachinePlaysBlack:
6789 case IcsPlayingBlack:
6790 machineWhite = FALSE;
6793 case TwoMachinesPlay:
6794 machineWhite = (cps->twoMachinesColor[0] == 'w');
6797 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6798 if (appData.debugMode) {
6800 "Ignoring move out of turn by %s, gameMode %d"
6801 ", forwardMost %d\n",
6802 cps->which, gameMode, forwardMostMove);
6807 if (appData.debugMode) { int f = forwardMostMove;
6808 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6809 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6810 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6812 if(cps->alphaRank) AlphaRank(machineMove, 4);
6813 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6814 &fromX, &fromY, &toX, &toY, &promoChar)) {
6815 /* Machine move could not be parsed; ignore it. */
6816 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6817 machineMove, cps->which);
6818 DisplayError(buf1, 0);
6819 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6820 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6821 if (gameMode == TwoMachinesPlay) {
6822 GameEnds(machineWhite ? BlackWins : WhiteWins,
6828 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6829 /* So we have to redo legality test with true e.p. status here, */
6830 /* to make sure an illegal e.p. capture does not slip through, */
6831 /* to cause a forfeit on a justified illegal-move complaint */
6832 /* of the opponent. */
6833 if( gameMode==TwoMachinesPlay && appData.testLegality
6834 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6837 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6838 fromY, fromX, toY, toX, promoChar);
6839 if (appData.debugMode) {
6841 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6842 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6843 fprintf(debugFP, "castling rights\n");
6845 if(moveType == IllegalMove) {
6846 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6847 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6848 GameEnds(machineWhite ? BlackWins : WhiteWins,
6851 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6852 /* [HGM] Kludge to handle engines that send FRC-style castling
6853 when they shouldn't (like TSCP-Gothic) */
6855 case WhiteASideCastleFR:
6856 case BlackASideCastleFR:
6858 currentMoveString[2]++;
6860 case WhiteHSideCastleFR:
6861 case BlackHSideCastleFR:
6863 currentMoveString[2]--;
6865 default: ; // nothing to do, but suppresses warning of pedantic compilers
6868 hintRequested = FALSE;
6869 lastHint[0] = NULLCHAR;
6870 bookRequested = FALSE;
6871 /* Program may be pondering now */
6872 cps->maybeThinking = TRUE;
6873 if (cps->sendTime == 2) cps->sendTime = 1;
6874 if (cps->offeredDraw) cps->offeredDraw--;
6876 /* currentMoveString is set as a side-effect of ParseOneMove */
6877 strcpy(machineMove, currentMoveString);
6878 strcat(machineMove, "\n");
6879 strcpy(moveList[forwardMostMove], machineMove);
6881 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6883 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6884 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6887 while( count < adjudicateLossPlies ) {
6888 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6891 score = -score; /* Flip score for winning side */
6894 if( score > adjudicateLossThreshold ) {
6901 if( count >= adjudicateLossPlies ) {
6902 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6904 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6905 "Xboard adjudication",
6912 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
6915 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
6917 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6918 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6920 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6922 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6924 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
6925 char buf[3*MSG_SIZ];
6927 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
6928 programStats.score / 100.,
6930 programStats.time / 100.,
6931 (unsigned int)programStats.nodes,
6932 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
6933 programStats.movelist);
6935 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
6940 /* [AS] Save move info and clear stats for next move */
6941 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
6942 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
6943 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
6944 ClearProgramStats();
6945 thinkOutput[0] = NULLCHAR;
6946 hiddenThinkOutputState = 0;
6949 if (gameMode == TwoMachinesPlay) {
6950 /* [HGM] relaying draw offers moved to after reception of move */
6951 /* and interpreting offer as claim if it brings draw condition */
6952 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
6953 SendToProgram("draw\n", cps->other);
6955 if (cps->other->sendTime) {
6956 SendTimeRemaining(cps->other,
6957 cps->other->twoMachinesColor[0] == 'w');
6959 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
6960 if (firstMove && !bookHit) {
6962 if (cps->other->useColors) {
6963 SendToProgram(cps->other->twoMachinesColor, cps->other);
6965 SendToProgram("go\n", cps->other);
6967 cps->other->maybeThinking = TRUE;
6970 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6972 if (!pausing && appData.ringBellAfterMoves) {
6977 * Reenable menu items that were disabled while
6978 * machine was thinking
6980 if (gameMode != TwoMachinesPlay)
6981 SetUserThinkingEnables();
6983 // [HGM] book: after book hit opponent has received move and is now in force mode
6984 // force the book reply into it, and then fake that it outputted this move by jumping
6985 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
6987 static char bookMove[MSG_SIZ]; // a bit generous?
6989 strcpy(bookMove, "move ");
6990 strcat(bookMove, bookHit);
6993 programStats.nodes = programStats.depth = programStats.time =
6994 programStats.score = programStats.got_only_move = 0;
6995 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6997 if(cps->lastPing != cps->lastPong) {
6998 savedMessage = message; // args for deferred call
7000 ScheduleDelayedEvent(DeferredBookMove, 10);
7009 /* Set special modes for chess engines. Later something general
7010 * could be added here; for now there is just one kludge feature,
7011 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7012 * when "xboard" is given as an interactive command.
7014 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7015 cps->useSigint = FALSE;
7016 cps->useSigterm = FALSE;
7018 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7019 ParseFeatures(message+8, cps);
7020 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7023 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7024 * want this, I was asked to put it in, and obliged.
7026 if (!strncmp(message, "setboard ", 9)) {
7027 Board initial_position;
7029 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7031 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7032 DisplayError(_("Bad FEN received from engine"), 0);
7036 CopyBoard(boards[0], initial_position);
7037 initialRulePlies = FENrulePlies;
7038 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7039 else gameMode = MachinePlaysBlack;
7040 DrawPosition(FALSE, boards[currentMove]);
7046 * Look for communication commands
7048 if (!strncmp(message, "telluser ", 9)) {
7049 DisplayNote(message + 9);
7052 if (!strncmp(message, "tellusererror ", 14)) {
7054 DisplayError(message + 14, 0);
7057 if (!strncmp(message, "tellopponent ", 13)) {
7058 if (appData.icsActive) {
7060 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7064 DisplayNote(message + 13);
7068 if (!strncmp(message, "tellothers ", 11)) {
7069 if (appData.icsActive) {
7071 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7077 if (!strncmp(message, "tellall ", 8)) {
7078 if (appData.icsActive) {
7080 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7084 DisplayNote(message + 8);
7088 if (strncmp(message, "warning", 7) == 0) {
7089 /* Undocumented feature, use tellusererror in new code */
7090 DisplayError(message, 0);
7093 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7094 strcpy(realname, cps->tidy);
7095 strcat(realname, " query");
7096 AskQuestion(realname, buf2, buf1, cps->pr);
7099 /* Commands from the engine directly to ICS. We don't allow these to be
7100 * sent until we are logged on. Crafty kibitzes have been known to
7101 * interfere with the login process.
7104 if (!strncmp(message, "tellics ", 8)) {
7105 SendToICS(message + 8);
7109 if (!strncmp(message, "tellicsnoalias ", 15)) {
7110 SendToICS(ics_prefix);
7111 SendToICS(message + 15);
7115 /* The following are for backward compatibility only */
7116 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7117 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7118 SendToICS(ics_prefix);
7124 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7128 * If the move is illegal, cancel it and redraw the board.
7129 * Also deal with other error cases. Matching is rather loose
7130 * here to accommodate engines written before the spec.
7132 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7133 strncmp(message, "Error", 5) == 0) {
7134 if (StrStr(message, "name") ||
7135 StrStr(message, "rating") || StrStr(message, "?") ||
7136 StrStr(message, "result") || StrStr(message, "board") ||
7137 StrStr(message, "bk") || StrStr(message, "computer") ||
7138 StrStr(message, "variant") || StrStr(message, "hint") ||
7139 StrStr(message, "random") || StrStr(message, "depth") ||
7140 StrStr(message, "accepted")) {
7143 if (StrStr(message, "protover")) {
7144 /* Program is responding to input, so it's apparently done
7145 initializing, and this error message indicates it is
7146 protocol version 1. So we don't need to wait any longer
7147 for it to initialize and send feature commands. */
7148 FeatureDone(cps, 1);
7149 cps->protocolVersion = 1;
7152 cps->maybeThinking = FALSE;
7154 if (StrStr(message, "draw")) {
7155 /* Program doesn't have "draw" command */
7156 cps->sendDrawOffers = 0;
7159 if (cps->sendTime != 1 &&
7160 (StrStr(message, "time") || StrStr(message, "otim"))) {
7161 /* Program apparently doesn't have "time" or "otim" command */
7165 if (StrStr(message, "analyze")) {
7166 cps->analysisSupport = FALSE;
7167 cps->analyzing = FALSE;
7169 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7170 DisplayError(buf2, 0);
7173 if (StrStr(message, "(no matching move)st")) {
7174 /* Special kludge for GNU Chess 4 only */
7175 cps->stKludge = TRUE;
7176 SendTimeControl(cps, movesPerSession, timeControl,
7177 timeIncrement, appData.searchDepth,
7181 if (StrStr(message, "(no matching move)sd")) {
7182 /* Special kludge for GNU Chess 4 only */
7183 cps->sdKludge = TRUE;
7184 SendTimeControl(cps, movesPerSession, timeControl,
7185 timeIncrement, appData.searchDepth,
7189 if (!StrStr(message, "llegal")) {
7192 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7193 gameMode == IcsIdle) return;
7194 if (forwardMostMove <= backwardMostMove) return;
7195 if (pausing) PauseEvent();
7196 if(appData.forceIllegal) {
7197 // [HGM] illegal: machine refused move; force position after move into it
7198 SendToProgram("force\n", cps);
7199 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7200 // we have a real problem now, as SendBoard will use the a2a3 kludge
7201 // when black is to move, while there might be nothing on a2 or black
7202 // might already have the move. So send the board as if white has the move.
7203 // But first we must change the stm of the engine, as it refused the last move
7204 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7205 if(WhiteOnMove(forwardMostMove)) {
7206 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7207 SendBoard(cps, forwardMostMove); // kludgeless board
7209 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7210 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7211 SendBoard(cps, forwardMostMove+1); // kludgeless board
7213 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7214 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7215 gameMode == TwoMachinesPlay)
7216 SendToProgram("go\n", cps);
7219 if (gameMode == PlayFromGameFile) {
7220 /* Stop reading this game file */
7221 gameMode = EditGame;
7224 currentMove = --forwardMostMove;
7225 DisplayMove(currentMove-1); /* before DisplayMoveError */
7227 DisplayBothClocks();
7228 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7229 parseList[currentMove], cps->which);
7230 DisplayMoveError(buf1);
7231 DrawPosition(FALSE, boards[currentMove]);
7233 /* [HGM] illegal-move claim should forfeit game when Xboard */
7234 /* only passes fully legal moves */
7235 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7236 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7237 "False illegal-move claim", GE_XBOARD );
7241 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7242 /* Program has a broken "time" command that
7243 outputs a string not ending in newline.
7249 * If chess program startup fails, exit with an error message.
7250 * Attempts to recover here are futile.
7252 if ((StrStr(message, "unknown host") != NULL)
7253 || (StrStr(message, "No remote directory") != NULL)
7254 || (StrStr(message, "not found") != NULL)
7255 || (StrStr(message, "No such file") != NULL)
7256 || (StrStr(message, "can't alloc") != NULL)
7257 || (StrStr(message, "Permission denied") != NULL)) {
7259 cps->maybeThinking = FALSE;
7260 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7261 cps->which, cps->program, cps->host, message);
7262 RemoveInputSource(cps->isr);
7263 DisplayFatalError(buf1, 0, 1);
7268 * Look for hint output
7270 if (sscanf(message, "Hint: %s", buf1) == 1) {
7271 if (cps == &first && hintRequested) {
7272 hintRequested = FALSE;
7273 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7274 &fromX, &fromY, &toX, &toY, &promoChar)) {
7275 (void) CoordsToAlgebraic(boards[forwardMostMove],
7276 PosFlags(forwardMostMove),
7277 fromY, fromX, toY, toX, promoChar, buf1);
7278 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7279 DisplayInformation(buf2);
7281 /* Hint move could not be parsed!? */
7282 snprintf(buf2, sizeof(buf2),
7283 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7285 DisplayError(buf2, 0);
7288 strcpy(lastHint, buf1);
7294 * Ignore other messages if game is not in progress
7296 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7297 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7300 * look for win, lose, draw, or draw offer
7302 if (strncmp(message, "1-0", 3) == 0) {
7303 char *p, *q, *r = "";
7304 p = strchr(message, '{');
7312 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7314 } else if (strncmp(message, "0-1", 3) == 0) {
7315 char *p, *q, *r = "";
7316 p = strchr(message, '{');
7324 /* Kludge for Arasan 4.1 bug */
7325 if (strcmp(r, "Black resigns") == 0) {
7326 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7329 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7331 } else if (strncmp(message, "1/2", 3) == 0) {
7332 char *p, *q, *r = "";
7333 p = strchr(message, '{');
7342 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7345 } else if (strncmp(message, "White resign", 12) == 0) {
7346 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7348 } else if (strncmp(message, "Black resign", 12) == 0) {
7349 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7351 } else if (strncmp(message, "White matches", 13) == 0 ||
7352 strncmp(message, "Black matches", 13) == 0 ) {
7353 /* [HGM] ignore GNUShogi noises */
7355 } else if (strncmp(message, "White", 5) == 0 &&
7356 message[5] != '(' &&
7357 StrStr(message, "Black") == NULL) {
7358 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7360 } else if (strncmp(message, "Black", 5) == 0 &&
7361 message[5] != '(') {
7362 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7364 } else if (strcmp(message, "resign") == 0 ||
7365 strcmp(message, "computer resigns") == 0) {
7367 case MachinePlaysBlack:
7368 case IcsPlayingBlack:
7369 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7371 case MachinePlaysWhite:
7372 case IcsPlayingWhite:
7373 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7375 case TwoMachinesPlay:
7376 if (cps->twoMachinesColor[0] == 'w')
7377 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7379 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7386 } else if (strncmp(message, "opponent mates", 14) == 0) {
7388 case MachinePlaysBlack:
7389 case IcsPlayingBlack:
7390 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7392 case MachinePlaysWhite:
7393 case IcsPlayingWhite:
7394 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7396 case TwoMachinesPlay:
7397 if (cps->twoMachinesColor[0] == 'w')
7398 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7400 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7407 } else if (strncmp(message, "computer mates", 14) == 0) {
7409 case MachinePlaysBlack:
7410 case IcsPlayingBlack:
7411 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7413 case MachinePlaysWhite:
7414 case IcsPlayingWhite:
7415 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7417 case TwoMachinesPlay:
7418 if (cps->twoMachinesColor[0] == 'w')
7419 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7421 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7428 } else if (strncmp(message, "checkmate", 9) == 0) {
7429 if (WhiteOnMove(forwardMostMove)) {
7430 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7432 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7435 } else if (strstr(message, "Draw") != NULL ||
7436 strstr(message, "game is a draw") != NULL) {
7437 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7439 } else if (strstr(message, "offer") != NULL &&
7440 strstr(message, "draw") != NULL) {
7442 if (appData.zippyPlay && first.initDone) {
7443 /* Relay offer to ICS */
7444 SendToICS(ics_prefix);
7445 SendToICS("draw\n");
7448 cps->offeredDraw = 2; /* valid until this engine moves twice */
7449 if (gameMode == TwoMachinesPlay) {
7450 if (cps->other->offeredDraw) {
7451 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7452 /* [HGM] in two-machine mode we delay relaying draw offer */
7453 /* until after we also have move, to see if it is really claim */
7455 } else if (gameMode == MachinePlaysWhite ||
7456 gameMode == MachinePlaysBlack) {
7457 if (userOfferedDraw) {
7458 DisplayInformation(_("Machine accepts your draw offer"));
7459 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7461 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7468 * Look for thinking output
7470 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7471 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7473 int plylev, mvleft, mvtot, curscore, time;
7474 char mvname[MOVE_LEN];
7478 int prefixHint = FALSE;
7479 mvname[0] = NULLCHAR;
7482 case MachinePlaysBlack:
7483 case IcsPlayingBlack:
7484 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7486 case MachinePlaysWhite:
7487 case IcsPlayingWhite:
7488 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7493 case IcsObserving: /* [DM] icsEngineAnalyze */
7494 if (!appData.icsEngineAnalyze) ignore = TRUE;
7496 case TwoMachinesPlay:
7497 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7508 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7509 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7511 if (plyext != ' ' && plyext != '\t') {
7515 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7516 if( cps->scoreIsAbsolute &&
7517 ( gameMode == MachinePlaysBlack ||
7518 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7519 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7520 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7521 !WhiteOnMove(currentMove)
7524 curscore = -curscore;
7528 programStats.depth = plylev;
7529 programStats.nodes = nodes;
7530 programStats.time = time;
7531 programStats.score = curscore;
7532 programStats.got_only_move = 0;
7534 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7537 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7538 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7539 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7540 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7541 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7542 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7543 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7544 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7547 /* Buffer overflow protection */
7548 if (buf1[0] != NULLCHAR) {
7549 if (strlen(buf1) >= sizeof(programStats.movelist)
7550 && appData.debugMode) {
7552 "PV is too long; using the first %u bytes.\n",
7553 (unsigned) sizeof(programStats.movelist) - 1);
7556 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7558 sprintf(programStats.movelist, " no PV\n");
7561 if (programStats.seen_stat) {
7562 programStats.ok_to_send = 1;
7565 if (strchr(programStats.movelist, '(') != NULL) {
7566 programStats.line_is_book = 1;
7567 programStats.nr_moves = 0;
7568 programStats.moves_left = 0;
7570 programStats.line_is_book = 0;
7573 SendProgramStatsToFrontend( cps, &programStats );
7576 [AS] Protect the thinkOutput buffer from overflow... this
7577 is only useful if buf1 hasn't overflowed first!
7579 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7581 (gameMode == TwoMachinesPlay ?
7582 ToUpper(cps->twoMachinesColor[0]) : ' '),
7583 ((double) curscore) / 100.0,
7584 prefixHint ? lastHint : "",
7585 prefixHint ? " " : "" );
7587 if( buf1[0] != NULLCHAR ) {
7588 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7590 if( strlen(buf1) > max_len ) {
7591 if( appData.debugMode) {
7592 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7594 buf1[max_len+1] = '\0';
7597 strcat( thinkOutput, buf1 );
7600 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7601 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7602 DisplayMove(currentMove - 1);
7606 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7607 /* crafty (9.25+) says "(only move) <move>"
7608 * if there is only 1 legal move
7610 sscanf(p, "(only move) %s", buf1);
7611 sprintf(thinkOutput, "%s (only move)", buf1);
7612 sprintf(programStats.movelist, "%s (only move)", buf1);
7613 programStats.depth = 1;
7614 programStats.nr_moves = 1;
7615 programStats.moves_left = 1;
7616 programStats.nodes = 1;
7617 programStats.time = 1;
7618 programStats.got_only_move = 1;
7620 /* Not really, but we also use this member to
7621 mean "line isn't going to change" (Crafty
7622 isn't searching, so stats won't change) */
7623 programStats.line_is_book = 1;
7625 SendProgramStatsToFrontend( cps, &programStats );
7627 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7628 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7629 DisplayMove(currentMove - 1);
7632 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7633 &time, &nodes, &plylev, &mvleft,
7634 &mvtot, mvname) >= 5) {
7635 /* The stat01: line is from Crafty (9.29+) in response
7636 to the "." command */
7637 programStats.seen_stat = 1;
7638 cps->maybeThinking = TRUE;
7640 if (programStats.got_only_move || !appData.periodicUpdates)
7643 programStats.depth = plylev;
7644 programStats.time = time;
7645 programStats.nodes = nodes;
7646 programStats.moves_left = mvleft;
7647 programStats.nr_moves = mvtot;
7648 strcpy(programStats.move_name, mvname);
7649 programStats.ok_to_send = 1;
7650 programStats.movelist[0] = '\0';
7652 SendProgramStatsToFrontend( cps, &programStats );
7656 } else if (strncmp(message,"++",2) == 0) {
7657 /* Crafty 9.29+ outputs this */
7658 programStats.got_fail = 2;
7661 } else if (strncmp(message,"--",2) == 0) {
7662 /* Crafty 9.29+ outputs this */
7663 programStats.got_fail = 1;
7666 } else if (thinkOutput[0] != NULLCHAR &&
7667 strncmp(message, " ", 4) == 0) {
7668 unsigned message_len;
7671 while (*p && *p == ' ') p++;
7673 message_len = strlen( p );
7675 /* [AS] Avoid buffer overflow */
7676 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7677 strcat(thinkOutput, " ");
7678 strcat(thinkOutput, p);
7681 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7682 strcat(programStats.movelist, " ");
7683 strcat(programStats.movelist, p);
7686 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7687 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7688 DisplayMove(currentMove - 1);
7696 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7697 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7699 ChessProgramStats cpstats;
7701 if (plyext != ' ' && plyext != '\t') {
7705 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7706 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7707 curscore = -curscore;
7710 cpstats.depth = plylev;
7711 cpstats.nodes = nodes;
7712 cpstats.time = time;
7713 cpstats.score = curscore;
7714 cpstats.got_only_move = 0;
7715 cpstats.movelist[0] = '\0';
7717 if (buf1[0] != NULLCHAR) {
7718 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7721 cpstats.ok_to_send = 0;
7722 cpstats.line_is_book = 0;
7723 cpstats.nr_moves = 0;
7724 cpstats.moves_left = 0;
7726 SendProgramStatsToFrontend( cps, &cpstats );
7733 /* Parse a game score from the character string "game", and
7734 record it as the history of the current game. The game
7735 score is NOT assumed to start from the standard position.
7736 The display is not updated in any way.
7739 ParseGameHistory(game)
7743 int fromX, fromY, toX, toY, boardIndex;
7748 if (appData.debugMode)
7749 fprintf(debugFP, "Parsing game history: %s\n", game);
7751 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7752 gameInfo.site = StrSave(appData.icsHost);
7753 gameInfo.date = PGNDate();
7754 gameInfo.round = StrSave("-");
7756 /* Parse out names of players */
7757 while (*game == ' ') game++;
7759 while (*game != ' ') *p++ = *game++;
7761 gameInfo.white = StrSave(buf);
7762 while (*game == ' ') game++;
7764 while (*game != ' ' && *game != '\n') *p++ = *game++;
7766 gameInfo.black = StrSave(buf);
7769 boardIndex = blackPlaysFirst ? 1 : 0;
7772 yyboardindex = boardIndex;
7773 moveType = (ChessMove) yylex();
7775 case IllegalMove: /* maybe suicide chess, etc. */
7776 if (appData.debugMode) {
7777 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7778 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7779 setbuf(debugFP, NULL);
7781 case WhitePromotionChancellor:
7782 case BlackPromotionChancellor:
7783 case WhitePromotionArchbishop:
7784 case BlackPromotionArchbishop:
7785 case WhitePromotionQueen:
7786 case BlackPromotionQueen:
7787 case WhitePromotionRook:
7788 case BlackPromotionRook:
7789 case WhitePromotionBishop:
7790 case BlackPromotionBishop:
7791 case WhitePromotionKnight:
7792 case BlackPromotionKnight:
7793 case WhitePromotionKing:
7794 case BlackPromotionKing:
7796 case WhiteCapturesEnPassant:
7797 case BlackCapturesEnPassant:
7798 case WhiteKingSideCastle:
7799 case WhiteQueenSideCastle:
7800 case BlackKingSideCastle:
7801 case BlackQueenSideCastle:
7802 case WhiteKingSideCastleWild:
7803 case WhiteQueenSideCastleWild:
7804 case BlackKingSideCastleWild:
7805 case BlackQueenSideCastleWild:
7807 case WhiteHSideCastleFR:
7808 case WhiteASideCastleFR:
7809 case BlackHSideCastleFR:
7810 case BlackASideCastleFR:
7812 fromX = currentMoveString[0] - AAA;
7813 fromY = currentMoveString[1] - ONE;
7814 toX = currentMoveString[2] - AAA;
7815 toY = currentMoveString[3] - ONE;
7816 promoChar = currentMoveString[4];
7820 fromX = moveType == WhiteDrop ?
7821 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7822 (int) CharToPiece(ToLower(currentMoveString[0]));
7824 toX = currentMoveString[2] - AAA;
7825 toY = currentMoveString[3] - ONE;
7826 promoChar = NULLCHAR;
7830 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7831 if (appData.debugMode) {
7832 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7833 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7834 setbuf(debugFP, NULL);
7836 DisplayError(buf, 0);
7838 case ImpossibleMove:
7840 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7841 if (appData.debugMode) {
7842 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7843 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7844 setbuf(debugFP, NULL);
7846 DisplayError(buf, 0);
7848 case (ChessMove) 0: /* end of file */
7849 if (boardIndex < backwardMostMove) {
7850 /* Oops, gap. How did that happen? */
7851 DisplayError(_("Gap in move list"), 0);
7854 backwardMostMove = blackPlaysFirst ? 1 : 0;
7855 if (boardIndex > forwardMostMove) {
7856 forwardMostMove = boardIndex;
7860 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7861 strcat(parseList[boardIndex-1], " ");
7862 strcat(parseList[boardIndex-1], yy_text);
7874 case GameUnfinished:
7875 if (gameMode == IcsExamining) {
7876 if (boardIndex < backwardMostMove) {
7877 /* Oops, gap. How did that happen? */
7880 backwardMostMove = blackPlaysFirst ? 1 : 0;
7883 gameInfo.result = moveType;
7884 p = strchr(yy_text, '{');
7885 if (p == NULL) p = strchr(yy_text, '(');
7888 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7890 q = strchr(p, *p == '{' ? '}' : ')');
7891 if (q != NULL) *q = NULLCHAR;
7894 gameInfo.resultDetails = StrSave(p);
7897 if (boardIndex >= forwardMostMove &&
7898 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7899 backwardMostMove = blackPlaysFirst ? 1 : 0;
7902 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7903 fromY, fromX, toY, toX, promoChar,
7904 parseList[boardIndex]);
7905 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
7906 /* currentMoveString is set as a side-effect of yylex */
7907 strcpy(moveList[boardIndex], currentMoveString);
7908 strcat(moveList[boardIndex], "\n");
7910 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
7911 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
7917 if(gameInfo.variant != VariantShogi)
7918 strcat(parseList[boardIndex - 1], "+");
7922 strcat(parseList[boardIndex - 1], "#");
7929 /* Apply a move to the given board */
7931 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
7932 int fromX, fromY, toX, toY;
7936 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
7937 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
7939 /* [HGM] compute & store e.p. status and castling rights for new position */
7940 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
7943 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
7944 oldEP = (signed char)board[EP_STATUS];
7945 board[EP_STATUS] = EP_NONE;
7947 if( board[toY][toX] != EmptySquare )
7948 board[EP_STATUS] = EP_CAPTURE;
7950 if( board[fromY][fromX] == WhitePawn ) {
7951 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7952 board[EP_STATUS] = EP_PAWN_MOVE;
7954 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
7955 gameInfo.variant != VariantBerolina || toX < fromX)
7956 board[EP_STATUS] = toX | berolina;
7957 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
7958 gameInfo.variant != VariantBerolina || toX > fromX)
7959 board[EP_STATUS] = toX;
7962 if( board[fromY][fromX] == BlackPawn ) {
7963 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
7964 board[EP_STATUS] = EP_PAWN_MOVE;
7965 if( toY-fromY== -2) {
7966 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
7967 gameInfo.variant != VariantBerolina || toX < fromX)
7968 board[EP_STATUS] = toX | berolina;
7969 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
7970 gameInfo.variant != VariantBerolina || toX > fromX)
7971 board[EP_STATUS] = toX;
7975 for(i=0; i<nrCastlingRights; i++) {
7976 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
7977 board[CASTLING][i] == toX && castlingRank[i] == toY
7978 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
7983 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
7984 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
7985 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
7987 if (fromX == toX && fromY == toY) return;
7989 if (fromY == DROP_RANK) {
7991 piece = board[toY][toX] = (ChessSquare) fromX;
7993 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
7994 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
7995 if(gameInfo.variant == VariantKnightmate)
7996 king += (int) WhiteUnicorn - (int) WhiteKing;
7998 /* Code added by Tord: */
7999 /* FRC castling assumed when king captures friendly rook. */
8000 if (board[fromY][fromX] == WhiteKing &&
8001 board[toY][toX] == WhiteRook) {
8002 board[fromY][fromX] = EmptySquare;
8003 board[toY][toX] = EmptySquare;
8005 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8007 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8009 } else if (board[fromY][fromX] == BlackKing &&
8010 board[toY][toX] == BlackRook) {
8011 board[fromY][fromX] = EmptySquare;
8012 board[toY][toX] = EmptySquare;
8014 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8016 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8018 /* End of code added by Tord */
8020 } else if (board[fromY][fromX] == king
8021 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8022 && toY == fromY && toX > fromX+1) {
8023 board[fromY][fromX] = EmptySquare;
8024 board[toY][toX] = king;
8025 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8026 board[fromY][BOARD_RGHT-1] = EmptySquare;
8027 } else if (board[fromY][fromX] == king
8028 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8029 && toY == fromY && toX < fromX-1) {
8030 board[fromY][fromX] = EmptySquare;
8031 board[toY][toX] = king;
8032 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8033 board[fromY][BOARD_LEFT] = EmptySquare;
8034 } else if (board[fromY][fromX] == WhitePawn
8035 && toY >= BOARD_HEIGHT-promoRank
8036 && gameInfo.variant != VariantXiangqi
8038 /* white pawn promotion */
8039 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8040 if (board[toY][toX] == EmptySquare) {
8041 board[toY][toX] = WhiteQueen;
8043 if(gameInfo.variant==VariantBughouse ||
8044 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8045 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8046 board[fromY][fromX] = EmptySquare;
8047 } else if ((fromY == BOARD_HEIGHT-4)
8049 && gameInfo.variant != VariantXiangqi
8050 && gameInfo.variant != VariantBerolina
8051 && (board[fromY][fromX] == WhitePawn)
8052 && (board[toY][toX] == EmptySquare)) {
8053 board[fromY][fromX] = EmptySquare;
8054 board[toY][toX] = WhitePawn;
8055 captured = board[toY - 1][toX];
8056 board[toY - 1][toX] = EmptySquare;
8057 } else if ((fromY == BOARD_HEIGHT-4)
8059 && gameInfo.variant == VariantBerolina
8060 && (board[fromY][fromX] == WhitePawn)
8061 && (board[toY][toX] == EmptySquare)) {
8062 board[fromY][fromX] = EmptySquare;
8063 board[toY][toX] = WhitePawn;
8064 if(oldEP & EP_BEROLIN_A) {
8065 captured = board[fromY][fromX-1];
8066 board[fromY][fromX-1] = EmptySquare;
8067 }else{ captured = board[fromY][fromX+1];
8068 board[fromY][fromX+1] = EmptySquare;
8070 } else if (board[fromY][fromX] == king
8071 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8072 && toY == fromY && toX > fromX+1) {
8073 board[fromY][fromX] = EmptySquare;
8074 board[toY][toX] = king;
8075 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8076 board[fromY][BOARD_RGHT-1] = EmptySquare;
8077 } else if (board[fromY][fromX] == king
8078 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8079 && toY == fromY && toX < fromX-1) {
8080 board[fromY][fromX] = EmptySquare;
8081 board[toY][toX] = king;
8082 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8083 board[fromY][BOARD_LEFT] = EmptySquare;
8084 } else if (fromY == 7 && fromX == 3
8085 && board[fromY][fromX] == BlackKing
8086 && toY == 7 && toX == 5) {
8087 board[fromY][fromX] = EmptySquare;
8088 board[toY][toX] = BlackKing;
8089 board[fromY][7] = EmptySquare;
8090 board[toY][4] = BlackRook;
8091 } else if (fromY == 7 && fromX == 3
8092 && board[fromY][fromX] == BlackKing
8093 && toY == 7 && toX == 1) {
8094 board[fromY][fromX] = EmptySquare;
8095 board[toY][toX] = BlackKing;
8096 board[fromY][0] = EmptySquare;
8097 board[toY][2] = BlackRook;
8098 } else if (board[fromY][fromX] == BlackPawn
8100 && gameInfo.variant != VariantXiangqi
8102 /* black pawn promotion */
8103 board[toY][toX] = CharToPiece(ToLower(promoChar));
8104 if (board[toY][toX] == EmptySquare) {
8105 board[toY][toX] = BlackQueen;
8107 if(gameInfo.variant==VariantBughouse ||
8108 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8109 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8110 board[fromY][fromX] = EmptySquare;
8111 } else if ((fromY == 3)
8113 && gameInfo.variant != VariantXiangqi
8114 && gameInfo.variant != VariantBerolina
8115 && (board[fromY][fromX] == BlackPawn)
8116 && (board[toY][toX] == EmptySquare)) {
8117 board[fromY][fromX] = EmptySquare;
8118 board[toY][toX] = BlackPawn;
8119 captured = board[toY + 1][toX];
8120 board[toY + 1][toX] = EmptySquare;
8121 } else if ((fromY == 3)
8123 && gameInfo.variant == VariantBerolina
8124 && (board[fromY][fromX] == BlackPawn)
8125 && (board[toY][toX] == EmptySquare)) {
8126 board[fromY][fromX] = EmptySquare;
8127 board[toY][toX] = BlackPawn;
8128 if(oldEP & EP_BEROLIN_A) {
8129 captured = board[fromY][fromX-1];
8130 board[fromY][fromX-1] = EmptySquare;
8131 }else{ captured = board[fromY][fromX+1];
8132 board[fromY][fromX+1] = EmptySquare;
8135 board[toY][toX] = board[fromY][fromX];
8136 board[fromY][fromX] = EmptySquare;
8139 /* [HGM] now we promote for Shogi, if needed */
8140 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8141 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8144 if (gameInfo.holdingsWidth != 0) {
8146 /* !!A lot more code needs to be written to support holdings */
8147 /* [HGM] OK, so I have written it. Holdings are stored in the */
8148 /* penultimate board files, so they are automaticlly stored */
8149 /* in the game history. */
8150 if (fromY == DROP_RANK) {
8151 /* Delete from holdings, by decreasing count */
8152 /* and erasing image if necessary */
8154 if(p < (int) BlackPawn) { /* white drop */
8155 p -= (int)WhitePawn;
8156 p = PieceToNumber((ChessSquare)p);
8157 if(p >= gameInfo.holdingsSize) p = 0;
8158 if(--board[p][BOARD_WIDTH-2] <= 0)
8159 board[p][BOARD_WIDTH-1] = EmptySquare;
8160 if((int)board[p][BOARD_WIDTH-2] < 0)
8161 board[p][BOARD_WIDTH-2] = 0;
8162 } else { /* black drop */
8163 p -= (int)BlackPawn;
8164 p = PieceToNumber((ChessSquare)p);
8165 if(p >= gameInfo.holdingsSize) p = 0;
8166 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8167 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8168 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8169 board[BOARD_HEIGHT-1-p][1] = 0;
8172 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8173 && gameInfo.variant != VariantBughouse ) {
8174 /* [HGM] holdings: Add to holdings, if holdings exist */
8175 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8176 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8177 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8180 if (p >= (int) BlackPawn) {
8181 p -= (int)BlackPawn;
8182 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8183 /* in Shogi restore piece to its original first */
8184 captured = (ChessSquare) (DEMOTED captured);
8187 p = PieceToNumber((ChessSquare)p);
8188 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8189 board[p][BOARD_WIDTH-2]++;
8190 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8192 p -= (int)WhitePawn;
8193 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8194 captured = (ChessSquare) (DEMOTED captured);
8197 p = PieceToNumber((ChessSquare)p);
8198 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8199 board[BOARD_HEIGHT-1-p][1]++;
8200 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8203 } else if (gameInfo.variant == VariantAtomic) {
8204 if (captured != EmptySquare) {
8206 for (y = toY-1; y <= toY+1; y++) {
8207 for (x = toX-1; x <= toX+1; x++) {
8208 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8209 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8210 board[y][x] = EmptySquare;
8214 board[toY][toX] = EmptySquare;
8217 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8218 /* [HGM] Shogi promotions */
8219 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8222 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8223 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8224 // [HGM] superchess: take promotion piece out of holdings
8225 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8226 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8227 if(!--board[k][BOARD_WIDTH-2])
8228 board[k][BOARD_WIDTH-1] = EmptySquare;
8230 if(!--board[BOARD_HEIGHT-1-k][1])
8231 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8237 /* Updates forwardMostMove */
8239 MakeMove(fromX, fromY, toX, toY, promoChar)
8240 int fromX, fromY, toX, toY;
8243 // forwardMostMove++; // [HGM] bare: moved downstream
8245 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8246 int timeLeft; static int lastLoadFlag=0; int king, piece;
8247 piece = boards[forwardMostMove][fromY][fromX];
8248 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8249 if(gameInfo.variant == VariantKnightmate)
8250 king += (int) WhiteUnicorn - (int) WhiteKing;
8251 if(forwardMostMove == 0) {
8253 fprintf(serverMoves, "%s;", second.tidy);
8254 fprintf(serverMoves, "%s;", first.tidy);
8255 if(!blackPlaysFirst)
8256 fprintf(serverMoves, "%s;", second.tidy);
8257 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8258 lastLoadFlag = loadFlag;
8260 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8261 // print castling suffix
8262 if( toY == fromY && piece == king ) {
8264 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8266 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8269 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8270 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8271 boards[forwardMostMove][toY][toX] == EmptySquare
8273 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8275 if(promoChar != NULLCHAR)
8276 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8278 fprintf(serverMoves, "/%d/%d",
8279 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8280 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8281 else timeLeft = blackTimeRemaining/1000;
8282 fprintf(serverMoves, "/%d", timeLeft);
8284 fflush(serverMoves);
8287 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8288 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8292 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8293 if (commentList[forwardMostMove+1] != NULL) {
8294 free(commentList[forwardMostMove+1]);
8295 commentList[forwardMostMove+1] = NULL;
8297 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8298 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8299 forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8300 SwitchClocks(); // uses forwardMostMove, so must be done after incrementing it !
8301 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8302 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8303 gameInfo.result = GameUnfinished;
8304 if (gameInfo.resultDetails != NULL) {
8305 free(gameInfo.resultDetails);
8306 gameInfo.resultDetails = NULL;
8308 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8309 moveList[forwardMostMove - 1]);
8310 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8311 PosFlags(forwardMostMove - 1),
8312 fromY, fromX, toY, toX, promoChar,
8313 parseList[forwardMostMove - 1]);
8314 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8320 if(gameInfo.variant != VariantShogi)
8321 strcat(parseList[forwardMostMove - 1], "+");
8325 strcat(parseList[forwardMostMove - 1], "#");
8328 if (appData.debugMode) {
8329 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8334 /* Updates currentMove if not pausing */
8336 ShowMove(fromX, fromY, toX, toY)
8338 int instant = (gameMode == PlayFromGameFile) ?
8339 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8340 if(appData.noGUI) return;
8341 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8343 if (forwardMostMove == currentMove + 1) {
8344 AnimateMove(boards[forwardMostMove - 1],
8345 fromX, fromY, toX, toY);
8347 if (appData.highlightLastMove) {
8348 SetHighlights(fromX, fromY, toX, toY);
8351 currentMove = forwardMostMove;
8354 if (instant) return;
8356 DisplayMove(currentMove - 1);
8357 DrawPosition(FALSE, boards[currentMove]);
8358 DisplayBothClocks();
8359 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8362 void SendEgtPath(ChessProgramState *cps)
8363 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8364 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8366 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8369 char c, *q = name+1, *r, *s;
8371 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8372 while(*p && *p != ',') *q++ = *p++;
8374 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8375 strcmp(name, ",nalimov:") == 0 ) {
8376 // take nalimov path from the menu-changeable option first, if it is defined
8377 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8378 SendToProgram(buf,cps); // send egtbpath command for nalimov
8380 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8381 (s = StrStr(appData.egtFormats, name)) != NULL) {
8382 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8383 s = r = StrStr(s, ":") + 1; // beginning of path info
8384 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8385 c = *r; *r = 0; // temporarily null-terminate path info
8386 *--q = 0; // strip of trailig ':' from name
8387 sprintf(buf, "egtpath %s %s\n", name+1, s);
8389 SendToProgram(buf,cps); // send egtbpath command for this format
8391 if(*p == ',') p++; // read away comma to position for next format name
8396 InitChessProgram(cps, setup)
8397 ChessProgramState *cps;
8398 int setup; /* [HGM] needed to setup FRC opening position */
8400 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8401 if (appData.noChessProgram) return;
8402 hintRequested = FALSE;
8403 bookRequested = FALSE;
8405 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8406 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8407 if(cps->memSize) { /* [HGM] memory */
8408 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8409 SendToProgram(buf, cps);
8411 SendEgtPath(cps); /* [HGM] EGT */
8412 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8413 sprintf(buf, "cores %d\n", appData.smpCores);
8414 SendToProgram(buf, cps);
8417 SendToProgram(cps->initString, cps);
8418 if (gameInfo.variant != VariantNormal &&
8419 gameInfo.variant != VariantLoadable
8420 /* [HGM] also send variant if board size non-standard */
8421 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8423 char *v = VariantName(gameInfo.variant);
8424 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8425 /* [HGM] in protocol 1 we have to assume all variants valid */
8426 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8427 DisplayFatalError(buf, 0, 1);
8431 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8432 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8433 if( gameInfo.variant == VariantXiangqi )
8434 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8435 if( gameInfo.variant == VariantShogi )
8436 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8437 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8438 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8439 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8440 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8441 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8442 if( gameInfo.variant == VariantCourier )
8443 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8444 if( gameInfo.variant == VariantSuper )
8445 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8446 if( gameInfo.variant == VariantGreat )
8447 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8450 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8451 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8452 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8453 if(StrStr(cps->variants, b) == NULL) {
8454 // specific sized variant not known, check if general sizing allowed
8455 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8456 if(StrStr(cps->variants, "boardsize") == NULL) {
8457 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8458 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8459 DisplayFatalError(buf, 0, 1);
8462 /* [HGM] here we really should compare with the maximum supported board size */
8465 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8466 sprintf(buf, "variant %s\n", b);
8467 SendToProgram(buf, cps);
8469 currentlyInitializedVariant = gameInfo.variant;
8471 /* [HGM] send opening position in FRC to first engine */
8473 SendToProgram("force\n", cps);
8475 /* engine is now in force mode! Set flag to wake it up after first move. */
8476 setboardSpoiledMachineBlack = 1;
8480 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8481 SendToProgram(buf, cps);
8483 cps->maybeThinking = FALSE;
8484 cps->offeredDraw = 0;
8485 if (!appData.icsActive) {
8486 SendTimeControl(cps, movesPerSession, timeControl,
8487 timeIncrement, appData.searchDepth,
8490 if (appData.showThinking
8491 // [HGM] thinking: four options require thinking output to be sent
8492 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8494 SendToProgram("post\n", cps);
8496 SendToProgram("hard\n", cps);
8497 if (!appData.ponderNextMove) {
8498 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8499 it without being sure what state we are in first. "hard"
8500 is not a toggle, so that one is OK.
8502 SendToProgram("easy\n", cps);
8505 sprintf(buf, "ping %d\n", ++cps->lastPing);
8506 SendToProgram(buf, cps);
8508 cps->initDone = TRUE;
8513 StartChessProgram(cps)
8514 ChessProgramState *cps;
8519 if (appData.noChessProgram) return;
8520 cps->initDone = FALSE;
8522 if (strcmp(cps->host, "localhost") == 0) {
8523 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8524 } else if (*appData.remoteShell == NULLCHAR) {
8525 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8527 if (*appData.remoteUser == NULLCHAR) {
8528 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8531 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8532 cps->host, appData.remoteUser, cps->program);
8534 err = StartChildProcess(buf, "", &cps->pr);
8538 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8539 DisplayFatalError(buf, err, 1);
8545 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8546 if (cps->protocolVersion > 1) {
8547 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8548 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8549 cps->comboCnt = 0; // and values of combo boxes
8550 SendToProgram(buf, cps);
8552 SendToProgram("xboard\n", cps);
8558 TwoMachinesEventIfReady P((void))
8560 if (first.lastPing != first.lastPong) {
8561 DisplayMessage("", _("Waiting for first chess program"));
8562 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8565 if (second.lastPing != second.lastPong) {
8566 DisplayMessage("", _("Waiting for second chess program"));
8567 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8575 NextMatchGame P((void))
8577 int index; /* [HGM] autoinc: step load index during match */
8579 if (*appData.loadGameFile != NULLCHAR) {
8580 index = appData.loadGameIndex;
8581 if(index < 0) { // [HGM] autoinc
8582 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8583 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8585 LoadGameFromFile(appData.loadGameFile,
8587 appData.loadGameFile, FALSE);
8588 } else if (*appData.loadPositionFile != NULLCHAR) {
8589 index = appData.loadPositionIndex;
8590 if(index < 0) { // [HGM] autoinc
8591 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8592 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8594 LoadPositionFromFile(appData.loadPositionFile,
8596 appData.loadPositionFile);
8598 TwoMachinesEventIfReady();
8601 void UserAdjudicationEvent( int result )
8603 ChessMove gameResult = GameIsDrawn;
8606 gameResult = WhiteWins;
8608 else if( result < 0 ) {
8609 gameResult = BlackWins;
8612 if( gameMode == TwoMachinesPlay ) {
8613 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8618 // [HGM] save: calculate checksum of game to make games easily identifiable
8619 int StringCheckSum(char *s)
8622 if(s==NULL) return 0;
8623 while(*s) i = i*259 + *s++;
8630 for(i=backwardMostMove; i<forwardMostMove; i++) {
8631 sum += pvInfoList[i].depth;
8632 sum += StringCheckSum(parseList[i]);
8633 sum += StringCheckSum(commentList[i]);
8636 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8637 return sum + StringCheckSum(commentList[i]);
8638 } // end of save patch
8641 GameEnds(result, resultDetails, whosays)
8643 char *resultDetails;
8646 GameMode nextGameMode;
8650 if(endingGame) return; /* [HGM] crash: forbid recursion */
8653 if (appData.debugMode) {
8654 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8655 result, resultDetails ? resultDetails : "(null)", whosays);
8658 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8659 /* If we are playing on ICS, the server decides when the
8660 game is over, but the engine can offer to draw, claim
8664 if (appData.zippyPlay && first.initDone) {
8665 if (result == GameIsDrawn) {
8666 /* In case draw still needs to be claimed */
8667 SendToICS(ics_prefix);
8668 SendToICS("draw\n");
8669 } else if (StrCaseStr(resultDetails, "resign")) {
8670 SendToICS(ics_prefix);
8671 SendToICS("resign\n");
8675 endingGame = 0; /* [HGM] crash */
8679 /* If we're loading the game from a file, stop */
8680 if (whosays == GE_FILE) {
8681 (void) StopLoadGameTimer();
8685 /* Cancel draw offers */
8686 first.offeredDraw = second.offeredDraw = 0;
8688 /* If this is an ICS game, only ICS can really say it's done;
8689 if not, anyone can. */
8690 isIcsGame = (gameMode == IcsPlayingWhite ||
8691 gameMode == IcsPlayingBlack ||
8692 gameMode == IcsObserving ||
8693 gameMode == IcsExamining);
8695 if (!isIcsGame || whosays == GE_ICS) {
8696 /* OK -- not an ICS game, or ICS said it was done */
8698 if (!isIcsGame && !appData.noChessProgram)
8699 SetUserThinkingEnables();
8701 /* [HGM] if a machine claims the game end we verify this claim */
8702 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8703 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8705 ChessMove trueResult = (ChessMove) -1;
8707 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8708 first.twoMachinesColor[0] :
8709 second.twoMachinesColor[0] ;
8711 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8712 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8713 /* [HGM] verify: engine mate claims accepted if they were flagged */
8714 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8716 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8717 /* [HGM] verify: engine mate claims accepted if they were flagged */
8718 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8720 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8721 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8724 // now verify win claims, but not in drop games, as we don't understand those yet
8725 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8726 || gameInfo.variant == VariantGreat) &&
8727 (result == WhiteWins && claimer == 'w' ||
8728 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8729 if (appData.debugMode) {
8730 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8731 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8733 if(result != trueResult) {
8734 sprintf(buf, "False win claim: '%s'", resultDetails);
8735 result = claimer == 'w' ? BlackWins : WhiteWins;
8736 resultDetails = buf;
8739 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8740 && (forwardMostMove <= backwardMostMove ||
8741 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8742 (claimer=='b')==(forwardMostMove&1))
8744 /* [HGM] verify: draws that were not flagged are false claims */
8745 sprintf(buf, "False draw claim: '%s'", resultDetails);
8746 result = claimer == 'w' ? BlackWins : WhiteWins;
8747 resultDetails = buf;
8749 /* (Claiming a loss is accepted no questions asked!) */
8751 /* [HGM] bare: don't allow bare King to win */
8752 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8753 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8754 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8755 && result != GameIsDrawn)
8756 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8757 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8758 int p = (signed char)boards[forwardMostMove][i][j] - color;
8759 if(p >= 0 && p <= (int)WhiteKing) k++;
8761 if (appData.debugMode) {
8762 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8763 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8766 result = GameIsDrawn;
8767 sprintf(buf, "%s but bare king", resultDetails);
8768 resultDetails = buf;
8774 if(serverMoves != NULL && !loadFlag) { char c = '=';
8775 if(result==WhiteWins) c = '+';
8776 if(result==BlackWins) c = '-';
8777 if(resultDetails != NULL)
8778 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8780 if (resultDetails != NULL) {
8781 gameInfo.result = result;
8782 gameInfo.resultDetails = StrSave(resultDetails);
8784 /* display last move only if game was not loaded from file */
8785 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8786 DisplayMove(currentMove - 1);
8788 if (forwardMostMove != 0) {
8789 if (gameMode != PlayFromGameFile && gameMode != EditGame
8790 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8792 if (*appData.saveGameFile != NULLCHAR) {
8793 SaveGameToFile(appData.saveGameFile, TRUE);
8794 } else if (appData.autoSaveGames) {
8797 if (*appData.savePositionFile != NULLCHAR) {
8798 SavePositionToFile(appData.savePositionFile);
8803 /* Tell program how game ended in case it is learning */
8804 /* [HGM] Moved this to after saving the PGN, just in case */
8805 /* engine died and we got here through time loss. In that */
8806 /* case we will get a fatal error writing the pipe, which */
8807 /* would otherwise lose us the PGN. */
8808 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8809 /* output during GameEnds should never be fatal anymore */
8810 if (gameMode == MachinePlaysWhite ||
8811 gameMode == MachinePlaysBlack ||
8812 gameMode == TwoMachinesPlay ||
8813 gameMode == IcsPlayingWhite ||
8814 gameMode == IcsPlayingBlack ||
8815 gameMode == BeginningOfGame) {
8817 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8819 if (first.pr != NoProc) {
8820 SendToProgram(buf, &first);
8822 if (second.pr != NoProc &&
8823 gameMode == TwoMachinesPlay) {
8824 SendToProgram(buf, &second);
8829 if (appData.icsActive) {
8830 if (appData.quietPlay &&
8831 (gameMode == IcsPlayingWhite ||
8832 gameMode == IcsPlayingBlack)) {
8833 SendToICS(ics_prefix);
8834 SendToICS("set shout 1\n");
8836 nextGameMode = IcsIdle;
8837 ics_user_moved = FALSE;
8838 /* clean up premove. It's ugly when the game has ended and the
8839 * premove highlights are still on the board.
8843 ClearPremoveHighlights();
8844 DrawPosition(FALSE, boards[currentMove]);
8846 if (whosays == GE_ICS) {
8849 if (gameMode == IcsPlayingWhite)
8851 else if(gameMode == IcsPlayingBlack)
8855 if (gameMode == IcsPlayingBlack)
8857 else if(gameMode == IcsPlayingWhite)
8864 PlayIcsUnfinishedSound();
8867 } else if (gameMode == EditGame ||
8868 gameMode == PlayFromGameFile ||
8869 gameMode == AnalyzeMode ||
8870 gameMode == AnalyzeFile) {
8871 nextGameMode = gameMode;
8873 nextGameMode = EndOfGame;
8878 nextGameMode = gameMode;
8881 if (appData.noChessProgram) {
8882 gameMode = nextGameMode;
8884 endingGame = 0; /* [HGM] crash */
8889 /* Put first chess program into idle state */
8890 if (first.pr != NoProc &&
8891 (gameMode == MachinePlaysWhite ||
8892 gameMode == MachinePlaysBlack ||
8893 gameMode == TwoMachinesPlay ||
8894 gameMode == IcsPlayingWhite ||
8895 gameMode == IcsPlayingBlack ||
8896 gameMode == BeginningOfGame)) {
8897 SendToProgram("force\n", &first);
8898 if (first.usePing) {
8900 sprintf(buf, "ping %d\n", ++first.lastPing);
8901 SendToProgram(buf, &first);
8904 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8905 /* Kill off first chess program */
8906 if (first.isr != NULL)
8907 RemoveInputSource(first.isr);
8910 if (first.pr != NoProc) {
8912 DoSleep( appData.delayBeforeQuit );
8913 SendToProgram("quit\n", &first);
8914 DoSleep( appData.delayAfterQuit );
8915 DestroyChildProcess(first.pr, first.useSigterm);
8920 /* Put second chess program into idle state */
8921 if (second.pr != NoProc &&
8922 gameMode == TwoMachinesPlay) {
8923 SendToProgram("force\n", &second);
8924 if (second.usePing) {
8926 sprintf(buf, "ping %d\n", ++second.lastPing);
8927 SendToProgram(buf, &second);
8930 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
8931 /* Kill off second chess program */
8932 if (second.isr != NULL)
8933 RemoveInputSource(second.isr);
8936 if (second.pr != NoProc) {
8937 DoSleep( appData.delayBeforeQuit );
8938 SendToProgram("quit\n", &second);
8939 DoSleep( appData.delayAfterQuit );
8940 DestroyChildProcess(second.pr, second.useSigterm);
8945 if (matchMode && gameMode == TwoMachinesPlay) {
8948 if (first.twoMachinesColor[0] == 'w') {
8955 if (first.twoMachinesColor[0] == 'b') {
8964 if (matchGame < appData.matchGames) {
8966 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
8967 tmp = first.twoMachinesColor;
8968 first.twoMachinesColor = second.twoMachinesColor;
8969 second.twoMachinesColor = tmp;
8971 gameMode = nextGameMode;
8973 if(appData.matchPause>10000 || appData.matchPause<10)
8974 appData.matchPause = 10000; /* [HGM] make pause adjustable */
8975 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
8976 endingGame = 0; /* [HGM] crash */
8980 gameMode = nextGameMode;
8981 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
8982 first.tidy, second.tidy,
8983 first.matchWins, second.matchWins,
8984 appData.matchGames - (first.matchWins + second.matchWins));
8985 DisplayFatalError(buf, 0, 0);
8988 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
8989 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
8991 gameMode = nextGameMode;
8993 endingGame = 0; /* [HGM] crash */
8996 /* Assumes program was just initialized (initString sent).
8997 Leaves program in force mode. */
8999 FeedMovesToProgram(cps, upto)
9000 ChessProgramState *cps;
9005 if (appData.debugMode)
9006 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9007 startedFromSetupPosition ? "position and " : "",
9008 backwardMostMove, upto, cps->which);
9009 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9010 // [HGM] variantswitch: make engine aware of new variant
9011 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9012 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9013 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9014 SendToProgram(buf, cps);
9015 currentlyInitializedVariant = gameInfo.variant;
9017 SendToProgram("force\n", cps);
9018 if (startedFromSetupPosition) {
9019 SendBoard(cps, backwardMostMove);
9020 if (appData.debugMode) {
9021 fprintf(debugFP, "feedMoves\n");
9024 for (i = backwardMostMove; i < upto; i++) {
9025 SendMoveToProgram(i, cps);
9031 ResurrectChessProgram()
9033 /* The chess program may have exited.
9034 If so, restart it and feed it all the moves made so far. */
9036 if (appData.noChessProgram || first.pr != NoProc) return;
9038 StartChessProgram(&first);
9039 InitChessProgram(&first, FALSE);
9040 FeedMovesToProgram(&first, currentMove);
9042 if (!first.sendTime) {
9043 /* can't tell gnuchess what its clock should read,
9044 so we bow to its notion. */
9046 timeRemaining[0][currentMove] = whiteTimeRemaining;
9047 timeRemaining[1][currentMove] = blackTimeRemaining;
9050 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9051 appData.icsEngineAnalyze) && first.analysisSupport) {
9052 SendToProgram("analyze\n", &first);
9053 first.analyzing = TRUE;
9066 if (appData.debugMode) {
9067 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9068 redraw, init, gameMode);
9070 CleanupTail(); // [HGM] vari: delete any stored variations
9071 pausing = pauseExamInvalid = FALSE;
9072 startedFromSetupPosition = blackPlaysFirst = FALSE;
9074 whiteFlag = blackFlag = FALSE;
9075 userOfferedDraw = FALSE;
9076 hintRequested = bookRequested = FALSE;
9077 first.maybeThinking = FALSE;
9078 second.maybeThinking = FALSE;
9079 first.bookSuspend = FALSE; // [HGM] book
9080 second.bookSuspend = FALSE;
9081 thinkOutput[0] = NULLCHAR;
9082 lastHint[0] = NULLCHAR;
9083 ClearGameInfo(&gameInfo);
9084 gameInfo.variant = StringToVariant(appData.variant);
9085 ics_user_moved = ics_clock_paused = FALSE;
9086 ics_getting_history = H_FALSE;
9088 white_holding[0] = black_holding[0] = NULLCHAR;
9089 ClearProgramStats();
9090 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9094 flipView = appData.flipView;
9095 ClearPremoveHighlights();
9097 alarmSounded = FALSE;
9099 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9100 if(appData.serverMovesName != NULL) {
9101 /* [HGM] prepare to make moves file for broadcasting */
9102 clock_t t = clock();
9103 if(serverMoves != NULL) fclose(serverMoves);
9104 serverMoves = fopen(appData.serverMovesName, "r");
9105 if(serverMoves != NULL) {
9106 fclose(serverMoves);
9107 /* delay 15 sec before overwriting, so all clients can see end */
9108 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9110 serverMoves = fopen(appData.serverMovesName, "w");
9114 gameMode = BeginningOfGame;
9116 if(appData.icsActive) gameInfo.variant = VariantNormal;
9117 currentMove = forwardMostMove = backwardMostMove = 0;
9118 InitPosition(redraw);
9119 for (i = 0; i < MAX_MOVES; i++) {
9120 if (commentList[i] != NULL) {
9121 free(commentList[i]);
9122 commentList[i] = NULL;
9126 timeRemaining[0][0] = whiteTimeRemaining;
9127 timeRemaining[1][0] = blackTimeRemaining;
9128 if (first.pr == NULL) {
9129 StartChessProgram(&first);
9132 InitChessProgram(&first, startedFromSetupPosition);
9135 DisplayMessage("", "");
9136 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9137 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9144 if (!AutoPlayOneMove())
9146 if (matchMode || appData.timeDelay == 0)
9148 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9150 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9159 int fromX, fromY, toX, toY;
9161 if (appData.debugMode) {
9162 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9165 if (gameMode != PlayFromGameFile)
9168 if (currentMove >= forwardMostMove) {
9169 gameMode = EditGame;
9172 /* [AS] Clear current move marker at the end of a game */
9173 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9178 toX = moveList[currentMove][2] - AAA;
9179 toY = moveList[currentMove][3] - ONE;
9181 if (moveList[currentMove][1] == '@') {
9182 if (appData.highlightLastMove) {
9183 SetHighlights(-1, -1, toX, toY);
9186 fromX = moveList[currentMove][0] - AAA;
9187 fromY = moveList[currentMove][1] - ONE;
9189 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9191 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9193 if (appData.highlightLastMove) {
9194 SetHighlights(fromX, fromY, toX, toY);
9197 DisplayMove(currentMove);
9198 SendMoveToProgram(currentMove++, &first);
9199 DisplayBothClocks();
9200 DrawPosition(FALSE, boards[currentMove]);
9201 // [HGM] PV info: always display, routine tests if empty
9202 DisplayComment(currentMove - 1, commentList[currentMove]);
9208 LoadGameOneMove(readAhead)
9209 ChessMove readAhead;
9211 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9212 char promoChar = NULLCHAR;
9217 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9218 gameMode != AnalyzeMode && gameMode != Training) {
9223 yyboardindex = forwardMostMove;
9224 if (readAhead != (ChessMove)0) {
9225 moveType = readAhead;
9227 if (gameFileFP == NULL)
9229 moveType = (ChessMove) yylex();
9235 if (appData.debugMode)
9236 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9239 /* append the comment but don't display it */
9240 AppendComment(currentMove, p, FALSE);
9243 case WhiteCapturesEnPassant:
9244 case BlackCapturesEnPassant:
9245 case WhitePromotionChancellor:
9246 case BlackPromotionChancellor:
9247 case WhitePromotionArchbishop:
9248 case BlackPromotionArchbishop:
9249 case WhitePromotionCentaur:
9250 case BlackPromotionCentaur:
9251 case WhitePromotionQueen:
9252 case BlackPromotionQueen:
9253 case WhitePromotionRook:
9254 case BlackPromotionRook:
9255 case WhitePromotionBishop:
9256 case BlackPromotionBishop:
9257 case WhitePromotionKnight:
9258 case BlackPromotionKnight:
9259 case WhitePromotionKing:
9260 case BlackPromotionKing:
9262 case WhiteKingSideCastle:
9263 case WhiteQueenSideCastle:
9264 case BlackKingSideCastle:
9265 case BlackQueenSideCastle:
9266 case WhiteKingSideCastleWild:
9267 case WhiteQueenSideCastleWild:
9268 case BlackKingSideCastleWild:
9269 case BlackQueenSideCastleWild:
9271 case WhiteHSideCastleFR:
9272 case WhiteASideCastleFR:
9273 case BlackHSideCastleFR:
9274 case BlackASideCastleFR:
9276 if (appData.debugMode)
9277 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9278 fromX = currentMoveString[0] - AAA;
9279 fromY = currentMoveString[1] - ONE;
9280 toX = currentMoveString[2] - AAA;
9281 toY = currentMoveString[3] - ONE;
9282 promoChar = currentMoveString[4];
9287 if (appData.debugMode)
9288 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9289 fromX = moveType == WhiteDrop ?
9290 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9291 (int) CharToPiece(ToLower(currentMoveString[0]));
9293 toX = currentMoveString[2] - AAA;
9294 toY = currentMoveString[3] - ONE;
9300 case GameUnfinished:
9301 if (appData.debugMode)
9302 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9303 p = strchr(yy_text, '{');
9304 if (p == NULL) p = strchr(yy_text, '(');
9307 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9309 q = strchr(p, *p == '{' ? '}' : ')');
9310 if (q != NULL) *q = NULLCHAR;
9313 GameEnds(moveType, p, GE_FILE);
9315 if (cmailMsgLoaded) {
9317 flipView = WhiteOnMove(currentMove);
9318 if (moveType == GameUnfinished) flipView = !flipView;
9319 if (appData.debugMode)
9320 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9324 case (ChessMove) 0: /* end of file */
9325 if (appData.debugMode)
9326 fprintf(debugFP, "Parser hit end of file\n");
9327 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9333 if (WhiteOnMove(currentMove)) {
9334 GameEnds(BlackWins, "Black mates", GE_FILE);
9336 GameEnds(WhiteWins, "White mates", GE_FILE);
9340 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9347 if (lastLoadGameStart == GNUChessGame) {
9348 /* GNUChessGames have numbers, but they aren't move numbers */
9349 if (appData.debugMode)
9350 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9351 yy_text, (int) moveType);
9352 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9354 /* else fall thru */
9359 /* Reached start of next game in file */
9360 if (appData.debugMode)
9361 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9362 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9368 if (WhiteOnMove(currentMove)) {
9369 GameEnds(BlackWins, "Black mates", GE_FILE);
9371 GameEnds(WhiteWins, "White mates", GE_FILE);
9375 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9381 case PositionDiagram: /* should not happen; ignore */
9382 case ElapsedTime: /* ignore */
9383 case NAG: /* ignore */
9384 if (appData.debugMode)
9385 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9386 yy_text, (int) moveType);
9387 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9390 if (appData.testLegality) {
9391 if (appData.debugMode)
9392 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9393 sprintf(move, _("Illegal move: %d.%s%s"),
9394 (forwardMostMove / 2) + 1,
9395 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9396 DisplayError(move, 0);
9399 if (appData.debugMode)
9400 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9401 yy_text, currentMoveString);
9402 fromX = currentMoveString[0] - AAA;
9403 fromY = currentMoveString[1] - ONE;
9404 toX = currentMoveString[2] - AAA;
9405 toY = currentMoveString[3] - ONE;
9406 promoChar = currentMoveString[4];
9411 if (appData.debugMode)
9412 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9413 sprintf(move, _("Ambiguous move: %d.%s%s"),
9414 (forwardMostMove / 2) + 1,
9415 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9416 DisplayError(move, 0);
9421 case ImpossibleMove:
9422 if (appData.debugMode)
9423 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9424 sprintf(move, _("Illegal move: %d.%s%s"),
9425 (forwardMostMove / 2) + 1,
9426 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9427 DisplayError(move, 0);
9433 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9434 DrawPosition(FALSE, boards[currentMove]);
9435 DisplayBothClocks();
9436 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9437 DisplayComment(currentMove - 1, commentList[currentMove]);
9439 (void) StopLoadGameTimer();
9441 cmailOldMove = forwardMostMove;
9444 /* currentMoveString is set as a side-effect of yylex */
9445 strcat(currentMoveString, "\n");
9446 strcpy(moveList[forwardMostMove], currentMoveString);
9448 thinkOutput[0] = NULLCHAR;
9449 MakeMove(fromX, fromY, toX, toY, promoChar);
9450 currentMove = forwardMostMove;
9455 /* Load the nth game from the given file */
9457 LoadGameFromFile(filename, n, title, useList)
9461 /*Boolean*/ int useList;
9466 if (strcmp(filename, "-") == 0) {
9470 f = fopen(filename, "rb");
9472 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9473 DisplayError(buf, errno);
9477 if (fseek(f, 0, 0) == -1) {
9478 /* f is not seekable; probably a pipe */
9481 if (useList && n == 0) {
9482 int error = GameListBuild(f);
9484 DisplayError(_("Cannot build game list"), error);
9485 } else if (!ListEmpty(&gameList) &&
9486 ((ListGame *) gameList.tailPred)->number > 1) {
9487 GameListPopUp(f, title);
9494 return LoadGame(f, n, title, FALSE);
9499 MakeRegisteredMove()
9501 int fromX, fromY, toX, toY;
9503 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9504 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9507 if (appData.debugMode)
9508 fprintf(debugFP, "Restoring %s for game %d\n",
9509 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9511 thinkOutput[0] = NULLCHAR;
9512 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9513 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9514 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9515 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9516 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9517 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9518 MakeMove(fromX, fromY, toX, toY, promoChar);
9519 ShowMove(fromX, fromY, toX, toY);
9521 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9528 if (WhiteOnMove(currentMove)) {
9529 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9531 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9536 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9543 if (WhiteOnMove(currentMove)) {
9544 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9546 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9551 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9562 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9564 CmailLoadGame(f, gameNumber, title, useList)
9572 if (gameNumber > nCmailGames) {
9573 DisplayError(_("No more games in this message"), 0);
9576 if (f == lastLoadGameFP) {
9577 int offset = gameNumber - lastLoadGameNumber;
9579 cmailMsg[0] = NULLCHAR;
9580 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9581 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9582 nCmailMovesRegistered--;
9584 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9585 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9586 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9589 if (! RegisterMove()) return FALSE;
9593 retVal = LoadGame(f, gameNumber, title, useList);
9595 /* Make move registered during previous look at this game, if any */
9596 MakeRegisteredMove();
9598 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9599 commentList[currentMove]
9600 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9601 DisplayComment(currentMove - 1, commentList[currentMove]);
9607 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9612 int gameNumber = lastLoadGameNumber + offset;
9613 if (lastLoadGameFP == NULL) {
9614 DisplayError(_("No game has been loaded yet"), 0);
9617 if (gameNumber <= 0) {
9618 DisplayError(_("Can't back up any further"), 0);
9621 if (cmailMsgLoaded) {
9622 return CmailLoadGame(lastLoadGameFP, gameNumber,
9623 lastLoadGameTitle, lastLoadGameUseList);
9625 return LoadGame(lastLoadGameFP, gameNumber,
9626 lastLoadGameTitle, lastLoadGameUseList);
9632 /* Load the nth game from open file f */
9634 LoadGame(f, gameNumber, title, useList)
9642 int gn = gameNumber;
9643 ListGame *lg = NULL;
9646 GameMode oldGameMode;
9647 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9649 if (appData.debugMode)
9650 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9652 if (gameMode == Training )
9653 SetTrainingModeOff();
9655 oldGameMode = gameMode;
9656 if (gameMode != BeginningOfGame) {
9661 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9662 fclose(lastLoadGameFP);
9666 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9669 fseek(f, lg->offset, 0);
9670 GameListHighlight(gameNumber);
9674 DisplayError(_("Game number out of range"), 0);
9679 if (fseek(f, 0, 0) == -1) {
9680 if (f == lastLoadGameFP ?
9681 gameNumber == lastLoadGameNumber + 1 :
9685 DisplayError(_("Can't seek on game file"), 0);
9691 lastLoadGameNumber = gameNumber;
9692 strcpy(lastLoadGameTitle, title);
9693 lastLoadGameUseList = useList;
9697 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9698 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9699 lg->gameInfo.black);
9701 } else if (*title != NULLCHAR) {
9702 if (gameNumber > 1) {
9703 sprintf(buf, "%s %d", title, gameNumber);
9706 DisplayTitle(title);
9710 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9711 gameMode = PlayFromGameFile;
9715 currentMove = forwardMostMove = backwardMostMove = 0;
9716 CopyBoard(boards[0], initialPosition);
9720 * Skip the first gn-1 games in the file.
9721 * Also skip over anything that precedes an identifiable
9722 * start of game marker, to avoid being confused by
9723 * garbage at the start of the file. Currently
9724 * recognized start of game markers are the move number "1",
9725 * the pattern "gnuchess .* game", the pattern
9726 * "^[#;%] [^ ]* game file", and a PGN tag block.
9727 * A game that starts with one of the latter two patterns
9728 * will also have a move number 1, possibly
9729 * following a position diagram.
9730 * 5-4-02: Let's try being more lenient and allowing a game to
9731 * start with an unnumbered move. Does that break anything?
9733 cm = lastLoadGameStart = (ChessMove) 0;
9735 yyboardindex = forwardMostMove;
9736 cm = (ChessMove) yylex();
9739 if (cmailMsgLoaded) {
9740 nCmailGames = CMAIL_MAX_GAMES - gn;
9743 DisplayError(_("Game not found in file"), 0);
9750 lastLoadGameStart = cm;
9754 switch (lastLoadGameStart) {
9761 gn--; /* count this game */
9762 lastLoadGameStart = cm;
9771 switch (lastLoadGameStart) {
9776 gn--; /* count this game */
9777 lastLoadGameStart = cm;
9780 lastLoadGameStart = cm; /* game counted already */
9788 yyboardindex = forwardMostMove;
9789 cm = (ChessMove) yylex();
9790 } while (cm == PGNTag || cm == Comment);
9797 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9798 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9799 != CMAIL_OLD_RESULT) {
9801 cmailResult[ CMAIL_MAX_GAMES
9802 - gn - 1] = CMAIL_OLD_RESULT;
9808 /* Only a NormalMove can be at the start of a game
9809 * without a position diagram. */
9810 if (lastLoadGameStart == (ChessMove) 0) {
9812 lastLoadGameStart = MoveNumberOne;
9821 if (appData.debugMode)
9822 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9824 if (cm == XBoardGame) {
9825 /* Skip any header junk before position diagram and/or move 1 */
9827 yyboardindex = forwardMostMove;
9828 cm = (ChessMove) yylex();
9830 if (cm == (ChessMove) 0 ||
9831 cm == GNUChessGame || cm == XBoardGame) {
9832 /* Empty game; pretend end-of-file and handle later */
9837 if (cm == MoveNumberOne || cm == PositionDiagram ||
9838 cm == PGNTag || cm == Comment)
9841 } else if (cm == GNUChessGame) {
9842 if (gameInfo.event != NULL) {
9843 free(gameInfo.event);
9845 gameInfo.event = StrSave(yy_text);
9848 startedFromSetupPosition = FALSE;
9849 while (cm == PGNTag) {
9850 if (appData.debugMode)
9851 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9852 err = ParsePGNTag(yy_text, &gameInfo);
9853 if (!err) numPGNTags++;
9855 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9856 if(gameInfo.variant != oldVariant) {
9857 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9859 oldVariant = gameInfo.variant;
9860 if (appData.debugMode)
9861 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9865 if (gameInfo.fen != NULL) {
9866 Board initial_position;
9867 startedFromSetupPosition = TRUE;
9868 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9870 DisplayError(_("Bad FEN position in file"), 0);
9873 CopyBoard(boards[0], initial_position);
9874 if (blackPlaysFirst) {
9875 currentMove = forwardMostMove = backwardMostMove = 1;
9876 CopyBoard(boards[1], initial_position);
9877 strcpy(moveList[0], "");
9878 strcpy(parseList[0], "");
9879 timeRemaining[0][1] = whiteTimeRemaining;
9880 timeRemaining[1][1] = blackTimeRemaining;
9881 if (commentList[0] != NULL) {
9882 commentList[1] = commentList[0];
9883 commentList[0] = NULL;
9886 currentMove = forwardMostMove = backwardMostMove = 0;
9888 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9890 initialRulePlies = FENrulePlies;
9891 for( i=0; i< nrCastlingRights; i++ )
9892 initialRights[i] = initial_position[CASTLING][i];
9894 yyboardindex = forwardMostMove;
9896 gameInfo.fen = NULL;
9899 yyboardindex = forwardMostMove;
9900 cm = (ChessMove) yylex();
9902 /* Handle comments interspersed among the tags */
9903 while (cm == Comment) {
9905 if (appData.debugMode)
9906 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9908 AppendComment(currentMove, p, FALSE);
9909 yyboardindex = forwardMostMove;
9910 cm = (ChessMove) yylex();
9914 /* don't rely on existence of Event tag since if game was
9915 * pasted from clipboard the Event tag may not exist
9917 if (numPGNTags > 0){
9919 if (gameInfo.variant == VariantNormal) {
9920 gameInfo.variant = StringToVariant(gameInfo.event);
9923 if( appData.autoDisplayTags ) {
9924 tags = PGNTags(&gameInfo);
9925 TagsPopUp(tags, CmailMsg());
9930 /* Make something up, but don't display it now */
9935 if (cm == PositionDiagram) {
9938 Board initial_position;
9940 if (appData.debugMode)
9941 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
9943 if (!startedFromSetupPosition) {
9945 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
9946 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
9956 initial_position[i][j++] = CharToPiece(*p);
9959 while (*p == ' ' || *p == '\t' ||
9960 *p == '\n' || *p == '\r') p++;
9962 if (strncmp(p, "black", strlen("black"))==0)
9963 blackPlaysFirst = TRUE;
9965 blackPlaysFirst = FALSE;
9966 startedFromSetupPosition = TRUE;
9968 CopyBoard(boards[0], initial_position);
9969 if (blackPlaysFirst) {
9970 currentMove = forwardMostMove = backwardMostMove = 1;
9971 CopyBoard(boards[1], initial_position);
9972 strcpy(moveList[0], "");
9973 strcpy(parseList[0], "");
9974 timeRemaining[0][1] = whiteTimeRemaining;
9975 timeRemaining[1][1] = blackTimeRemaining;
9976 if (commentList[0] != NULL) {
9977 commentList[1] = commentList[0];
9978 commentList[0] = NULL;
9981 currentMove = forwardMostMove = backwardMostMove = 0;
9984 yyboardindex = forwardMostMove;
9985 cm = (ChessMove) yylex();
9988 if (first.pr == NoProc) {
9989 StartChessProgram(&first);
9991 InitChessProgram(&first, FALSE);
9992 SendToProgram("force\n", &first);
9993 if (startedFromSetupPosition) {
9994 SendBoard(&first, forwardMostMove);
9995 if (appData.debugMode) {
9996 fprintf(debugFP, "Load Game\n");
9998 DisplayBothClocks();
10001 /* [HGM] server: flag to write setup moves in broadcast file as one */
10002 loadFlag = appData.suppressLoadMoves;
10004 while (cm == Comment) {
10006 if (appData.debugMode)
10007 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10009 AppendComment(currentMove, p, FALSE);
10010 yyboardindex = forwardMostMove;
10011 cm = (ChessMove) yylex();
10014 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10015 cm == WhiteWins || cm == BlackWins ||
10016 cm == GameIsDrawn || cm == GameUnfinished) {
10017 DisplayMessage("", _("No moves in game"));
10018 if (cmailMsgLoaded) {
10019 if (appData.debugMode)
10020 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10024 DrawPosition(FALSE, boards[currentMove]);
10025 DisplayBothClocks();
10026 gameMode = EditGame;
10033 // [HGM] PV info: routine tests if comment empty
10034 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10035 DisplayComment(currentMove - 1, commentList[currentMove]);
10037 if (!matchMode && appData.timeDelay != 0)
10038 DrawPosition(FALSE, boards[currentMove]);
10040 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10041 programStats.ok_to_send = 1;
10044 /* if the first token after the PGN tags is a move
10045 * and not move number 1, retrieve it from the parser
10047 if (cm != MoveNumberOne)
10048 LoadGameOneMove(cm);
10050 /* load the remaining moves from the file */
10051 while (LoadGameOneMove((ChessMove)0)) {
10052 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10053 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10056 /* rewind to the start of the game */
10057 currentMove = backwardMostMove;
10059 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10061 if (oldGameMode == AnalyzeFile ||
10062 oldGameMode == AnalyzeMode) {
10063 AnalyzeFileEvent();
10066 if (matchMode || appData.timeDelay == 0) {
10068 gameMode = EditGame;
10070 } else if (appData.timeDelay > 0) {
10071 AutoPlayGameLoop();
10074 if (appData.debugMode)
10075 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10077 loadFlag = 0; /* [HGM] true game starts */
10081 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10083 ReloadPosition(offset)
10086 int positionNumber = lastLoadPositionNumber + offset;
10087 if (lastLoadPositionFP == NULL) {
10088 DisplayError(_("No position has been loaded yet"), 0);
10091 if (positionNumber <= 0) {
10092 DisplayError(_("Can't back up any further"), 0);
10095 return LoadPosition(lastLoadPositionFP, positionNumber,
10096 lastLoadPositionTitle);
10099 /* Load the nth position from the given file */
10101 LoadPositionFromFile(filename, n, title)
10109 if (strcmp(filename, "-") == 0) {
10110 return LoadPosition(stdin, n, "stdin");
10112 f = fopen(filename, "rb");
10114 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10115 DisplayError(buf, errno);
10118 return LoadPosition(f, n, title);
10123 /* Load the nth position from the given open file, and close it */
10125 LoadPosition(f, positionNumber, title)
10127 int positionNumber;
10130 char *p, line[MSG_SIZ];
10131 Board initial_position;
10132 int i, j, fenMode, pn;
10134 if (gameMode == Training )
10135 SetTrainingModeOff();
10137 if (gameMode != BeginningOfGame) {
10138 Reset(FALSE, TRUE);
10140 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10141 fclose(lastLoadPositionFP);
10143 if (positionNumber == 0) positionNumber = 1;
10144 lastLoadPositionFP = f;
10145 lastLoadPositionNumber = positionNumber;
10146 strcpy(lastLoadPositionTitle, title);
10147 if (first.pr == NoProc) {
10148 StartChessProgram(&first);
10149 InitChessProgram(&first, FALSE);
10151 pn = positionNumber;
10152 if (positionNumber < 0) {
10153 /* Negative position number means to seek to that byte offset */
10154 if (fseek(f, -positionNumber, 0) == -1) {
10155 DisplayError(_("Can't seek on position file"), 0);
10160 if (fseek(f, 0, 0) == -1) {
10161 if (f == lastLoadPositionFP ?
10162 positionNumber == lastLoadPositionNumber + 1 :
10163 positionNumber == 1) {
10166 DisplayError(_("Can't seek on position file"), 0);
10171 /* See if this file is FEN or old-style xboard */
10172 if (fgets(line, MSG_SIZ, f) == NULL) {
10173 DisplayError(_("Position not found in file"), 0);
10176 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10177 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10180 if (fenMode || line[0] == '#') pn--;
10182 /* skip positions before number pn */
10183 if (fgets(line, MSG_SIZ, f) == NULL) {
10185 DisplayError(_("Position not found in file"), 0);
10188 if (fenMode || line[0] == '#') pn--;
10193 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10194 DisplayError(_("Bad FEN position in file"), 0);
10198 (void) fgets(line, MSG_SIZ, f);
10199 (void) fgets(line, MSG_SIZ, f);
10201 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10202 (void) fgets(line, MSG_SIZ, f);
10203 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10206 initial_position[i][j++] = CharToPiece(*p);
10210 blackPlaysFirst = FALSE;
10212 (void) fgets(line, MSG_SIZ, f);
10213 if (strncmp(line, "black", strlen("black"))==0)
10214 blackPlaysFirst = TRUE;
10217 startedFromSetupPosition = TRUE;
10219 SendToProgram("force\n", &first);
10220 CopyBoard(boards[0], initial_position);
10221 if (blackPlaysFirst) {
10222 currentMove = forwardMostMove = backwardMostMove = 1;
10223 strcpy(moveList[0], "");
10224 strcpy(parseList[0], "");
10225 CopyBoard(boards[1], initial_position);
10226 DisplayMessage("", _("Black to play"));
10228 currentMove = forwardMostMove = backwardMostMove = 0;
10229 DisplayMessage("", _("White to play"));
10231 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10232 SendBoard(&first, forwardMostMove);
10233 if (appData.debugMode) {
10235 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10236 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10237 fprintf(debugFP, "Load Position\n");
10240 if (positionNumber > 1) {
10241 sprintf(line, "%s %d", title, positionNumber);
10242 DisplayTitle(line);
10244 DisplayTitle(title);
10246 gameMode = EditGame;
10249 timeRemaining[0][1] = whiteTimeRemaining;
10250 timeRemaining[1][1] = blackTimeRemaining;
10251 DrawPosition(FALSE, boards[currentMove]);
10258 CopyPlayerNameIntoFileName(dest, src)
10261 while (*src != NULLCHAR && *src != ',') {
10266 *(*dest)++ = *src++;
10271 char *DefaultFileName(ext)
10274 static char def[MSG_SIZ];
10277 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10279 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10281 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10290 /* Save the current game to the given file */
10292 SaveGameToFile(filename, append)
10299 if (strcmp(filename, "-") == 0) {
10300 return SaveGame(stdout, 0, NULL);
10302 f = fopen(filename, append ? "a" : "w");
10304 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10305 DisplayError(buf, errno);
10308 return SaveGame(f, 0, NULL);
10317 static char buf[MSG_SIZ];
10320 p = strchr(str, ' ');
10321 if (p == NULL) return str;
10322 strncpy(buf, str, p - str);
10323 buf[p - str] = NULLCHAR;
10327 #define PGN_MAX_LINE 75
10329 #define PGN_SIDE_WHITE 0
10330 #define PGN_SIDE_BLACK 1
10333 static int FindFirstMoveOutOfBook( int side )
10337 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10338 int index = backwardMostMove;
10339 int has_book_hit = 0;
10341 if( (index % 2) != side ) {
10345 while( index < forwardMostMove ) {
10346 /* Check to see if engine is in book */
10347 int depth = pvInfoList[index].depth;
10348 int score = pvInfoList[index].score;
10354 else if( score == 0 && depth == 63 ) {
10355 in_book = 1; /* Zappa */
10357 else if( score == 2 && depth == 99 ) {
10358 in_book = 1; /* Abrok */
10361 has_book_hit += in_book;
10377 void GetOutOfBookInfo( char * buf )
10381 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10383 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10384 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10388 if( oob[0] >= 0 || oob[1] >= 0 ) {
10389 for( i=0; i<2; i++ ) {
10393 if( i > 0 && oob[0] >= 0 ) {
10394 strcat( buf, " " );
10397 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10398 sprintf( buf+strlen(buf), "%s%.2f",
10399 pvInfoList[idx].score >= 0 ? "+" : "",
10400 pvInfoList[idx].score / 100.0 );
10406 /* Save game in PGN style and close the file */
10411 int i, offset, linelen, newblock;
10415 int movelen, numlen, blank;
10416 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10418 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10420 tm = time((time_t *) NULL);
10422 PrintPGNTags(f, &gameInfo);
10424 if (backwardMostMove > 0 || startedFromSetupPosition) {
10425 char *fen = PositionToFEN(backwardMostMove, NULL);
10426 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10427 fprintf(f, "\n{--------------\n");
10428 PrintPosition(f, backwardMostMove);
10429 fprintf(f, "--------------}\n");
10433 /* [AS] Out of book annotation */
10434 if( appData.saveOutOfBookInfo ) {
10437 GetOutOfBookInfo( buf );
10439 if( buf[0] != '\0' ) {
10440 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10447 i = backwardMostMove;
10451 while (i < forwardMostMove) {
10452 /* Print comments preceding this move */
10453 if (commentList[i] != NULL) {
10454 if (linelen > 0) fprintf(f, "\n");
10455 fprintf(f, "%s", commentList[i]);
10460 /* Format move number */
10461 if ((i % 2) == 0) {
10462 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10465 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10467 numtext[0] = NULLCHAR;
10470 numlen = strlen(numtext);
10473 /* Print move number */
10474 blank = linelen > 0 && numlen > 0;
10475 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10484 fprintf(f, "%s", numtext);
10488 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10489 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10492 blank = linelen > 0 && movelen > 0;
10493 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10502 fprintf(f, "%s", move_buffer);
10503 linelen += movelen;
10505 /* [AS] Add PV info if present */
10506 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10507 /* [HGM] add time */
10508 char buf[MSG_SIZ]; int seconds;
10510 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10512 if( seconds <= 0) buf[0] = 0; else
10513 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10514 seconds = (seconds + 4)/10; // round to full seconds
10515 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10516 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10519 sprintf( move_buffer, "{%s%.2f/%d%s}",
10520 pvInfoList[i].score >= 0 ? "+" : "",
10521 pvInfoList[i].score / 100.0,
10522 pvInfoList[i].depth,
10525 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10527 /* Print score/depth */
10528 blank = linelen > 0 && movelen > 0;
10529 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10538 fprintf(f, "%s", move_buffer);
10539 linelen += movelen;
10545 /* Start a new line */
10546 if (linelen > 0) fprintf(f, "\n");
10548 /* Print comments after last move */
10549 if (commentList[i] != NULL) {
10550 fprintf(f, "%s\n", commentList[i]);
10554 if (gameInfo.resultDetails != NULL &&
10555 gameInfo.resultDetails[0] != NULLCHAR) {
10556 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10557 PGNResult(gameInfo.result));
10559 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10563 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10567 /* Save game in old style and close the file */
10569 SaveGameOldStyle(f)
10575 tm = time((time_t *) NULL);
10577 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10580 if (backwardMostMove > 0 || startedFromSetupPosition) {
10581 fprintf(f, "\n[--------------\n");
10582 PrintPosition(f, backwardMostMove);
10583 fprintf(f, "--------------]\n");
10588 i = backwardMostMove;
10589 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10591 while (i < forwardMostMove) {
10592 if (commentList[i] != NULL) {
10593 fprintf(f, "[%s]\n", commentList[i]);
10596 if ((i % 2) == 1) {
10597 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10600 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10602 if (commentList[i] != NULL) {
10606 if (i >= forwardMostMove) {
10610 fprintf(f, "%s\n", parseList[i]);
10615 if (commentList[i] != NULL) {
10616 fprintf(f, "[%s]\n", commentList[i]);
10619 /* This isn't really the old style, but it's close enough */
10620 if (gameInfo.resultDetails != NULL &&
10621 gameInfo.resultDetails[0] != NULLCHAR) {
10622 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10623 gameInfo.resultDetails);
10625 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10632 /* Save the current game to open file f and close the file */
10634 SaveGame(f, dummy, dummy2)
10639 if (gameMode == EditPosition) EditPositionDone(TRUE);
10640 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10641 if (appData.oldSaveStyle)
10642 return SaveGameOldStyle(f);
10644 return SaveGamePGN(f);
10647 /* Save the current position to the given file */
10649 SavePositionToFile(filename)
10655 if (strcmp(filename, "-") == 0) {
10656 return SavePosition(stdout, 0, NULL);
10658 f = fopen(filename, "a");
10660 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10661 DisplayError(buf, errno);
10664 SavePosition(f, 0, NULL);
10670 /* Save the current position to the given open file and close the file */
10672 SavePosition(f, dummy, dummy2)
10680 if (gameMode == EditPosition) EditPositionDone(TRUE);
10681 if (appData.oldSaveStyle) {
10682 tm = time((time_t *) NULL);
10684 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10686 fprintf(f, "[--------------\n");
10687 PrintPosition(f, currentMove);
10688 fprintf(f, "--------------]\n");
10690 fen = PositionToFEN(currentMove, NULL);
10691 fprintf(f, "%s\n", fen);
10699 ReloadCmailMsgEvent(unregister)
10703 static char *inFilename = NULL;
10704 static char *outFilename;
10706 struct stat inbuf, outbuf;
10709 /* Any registered moves are unregistered if unregister is set, */
10710 /* i.e. invoked by the signal handler */
10712 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10713 cmailMoveRegistered[i] = FALSE;
10714 if (cmailCommentList[i] != NULL) {
10715 free(cmailCommentList[i]);
10716 cmailCommentList[i] = NULL;
10719 nCmailMovesRegistered = 0;
10722 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10723 cmailResult[i] = CMAIL_NOT_RESULT;
10727 if (inFilename == NULL) {
10728 /* Because the filenames are static they only get malloced once */
10729 /* and they never get freed */
10730 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10731 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10733 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10734 sprintf(outFilename, "%s.out", appData.cmailGameName);
10737 status = stat(outFilename, &outbuf);
10739 cmailMailedMove = FALSE;
10741 status = stat(inFilename, &inbuf);
10742 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10745 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10746 counts the games, notes how each one terminated, etc.
10748 It would be nice to remove this kludge and instead gather all
10749 the information while building the game list. (And to keep it
10750 in the game list nodes instead of having a bunch of fixed-size
10751 parallel arrays.) Note this will require getting each game's
10752 termination from the PGN tags, as the game list builder does
10753 not process the game moves. --mann
10755 cmailMsgLoaded = TRUE;
10756 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10758 /* Load first game in the file or popup game menu */
10759 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10761 #endif /* !WIN32 */
10769 char string[MSG_SIZ];
10771 if ( cmailMailedMove
10772 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10773 return TRUE; /* Allow free viewing */
10776 /* Unregister move to ensure that we don't leave RegisterMove */
10777 /* with the move registered when the conditions for registering no */
10779 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10780 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10781 nCmailMovesRegistered --;
10783 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10785 free(cmailCommentList[lastLoadGameNumber - 1]);
10786 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10790 if (cmailOldMove == -1) {
10791 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10795 if (currentMove > cmailOldMove + 1) {
10796 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10800 if (currentMove < cmailOldMove) {
10801 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10805 if (forwardMostMove > currentMove) {
10806 /* Silently truncate extra moves */
10810 if ( (currentMove == cmailOldMove + 1)
10811 || ( (currentMove == cmailOldMove)
10812 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10813 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10814 if (gameInfo.result != GameUnfinished) {
10815 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10818 if (commentList[currentMove] != NULL) {
10819 cmailCommentList[lastLoadGameNumber - 1]
10820 = StrSave(commentList[currentMove]);
10822 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10824 if (appData.debugMode)
10825 fprintf(debugFP, "Saving %s for game %d\n",
10826 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10829 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10831 f = fopen(string, "w");
10832 if (appData.oldSaveStyle) {
10833 SaveGameOldStyle(f); /* also closes the file */
10835 sprintf(string, "%s.pos.out", appData.cmailGameName);
10836 f = fopen(string, "w");
10837 SavePosition(f, 0, NULL); /* also closes the file */
10839 fprintf(f, "{--------------\n");
10840 PrintPosition(f, currentMove);
10841 fprintf(f, "--------------}\n\n");
10843 SaveGame(f, 0, NULL); /* also closes the file*/
10846 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10847 nCmailMovesRegistered ++;
10848 } else if (nCmailGames == 1) {
10849 DisplayError(_("You have not made a move yet"), 0);
10860 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10861 FILE *commandOutput;
10862 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10863 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10869 if (! cmailMsgLoaded) {
10870 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10874 if (nCmailGames == nCmailResults) {
10875 DisplayError(_("No unfinished games"), 0);
10879 #if CMAIL_PROHIBIT_REMAIL
10880 if (cmailMailedMove) {
10881 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);
10882 DisplayError(msg, 0);
10887 if (! (cmailMailedMove || RegisterMove())) return;
10889 if ( cmailMailedMove
10890 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10891 sprintf(string, partCommandString,
10892 appData.debugMode ? " -v" : "", appData.cmailGameName);
10893 commandOutput = popen(string, "r");
10895 if (commandOutput == NULL) {
10896 DisplayError(_("Failed to invoke cmail"), 0);
10898 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10899 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10901 if (nBuffers > 1) {
10902 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
10903 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
10904 nBytes = MSG_SIZ - 1;
10906 (void) memcpy(msg, buffer, nBytes);
10908 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
10910 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
10911 cmailMailedMove = TRUE; /* Prevent >1 moves */
10914 for (i = 0; i < nCmailGames; i ++) {
10915 if (cmailResult[i] == CMAIL_NOT_RESULT) {
10920 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
10922 sprintf(buffer, "%s/%s.%s.archive",
10924 appData.cmailGameName,
10926 LoadGameFromFile(buffer, 1, buffer, FALSE);
10927 cmailMsgLoaded = FALSE;
10931 DisplayInformation(msg);
10932 pclose(commandOutput);
10935 if ((*cmailMsg) != '\0') {
10936 DisplayInformation(cmailMsg);
10941 #endif /* !WIN32 */
10950 int prependComma = 0;
10952 char string[MSG_SIZ]; /* Space for game-list */
10955 if (!cmailMsgLoaded) return "";
10957 if (cmailMailedMove) {
10958 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
10960 /* Create a list of games left */
10961 sprintf(string, "[");
10962 for (i = 0; i < nCmailGames; i ++) {
10963 if (! ( cmailMoveRegistered[i]
10964 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
10965 if (prependComma) {
10966 sprintf(number, ",%d", i + 1);
10968 sprintf(number, "%d", i + 1);
10972 strcat(string, number);
10975 strcat(string, "]");
10977 if (nCmailMovesRegistered + nCmailResults == 0) {
10978 switch (nCmailGames) {
10981 _("Still need to make move for game\n"));
10986 _("Still need to make moves for both games\n"));
10991 _("Still need to make moves for all %d games\n"),
10996 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
10999 _("Still need to make a move for game %s\n"),
11004 if (nCmailResults == nCmailGames) {
11005 sprintf(cmailMsg, _("No unfinished games\n"));
11007 sprintf(cmailMsg, _("Ready to send mail\n"));
11013 _("Still need to make moves for games %s\n"),
11025 if (gameMode == Training)
11026 SetTrainingModeOff();
11029 cmailMsgLoaded = FALSE;
11030 if (appData.icsActive) {
11031 SendToICS(ics_prefix);
11032 SendToICS("refresh\n");
11042 /* Give up on clean exit */
11046 /* Keep trying for clean exit */
11050 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11052 if (telnetISR != NULL) {
11053 RemoveInputSource(telnetISR);
11055 if (icsPR != NoProc) {
11056 DestroyChildProcess(icsPR, TRUE);
11059 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11060 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11062 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11063 /* make sure this other one finishes before killing it! */
11064 if(endingGame) { int count = 0;
11065 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11066 while(endingGame && count++ < 10) DoSleep(1);
11067 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11070 /* Kill off chess programs */
11071 if (first.pr != NoProc) {
11074 DoSleep( appData.delayBeforeQuit );
11075 SendToProgram("quit\n", &first);
11076 DoSleep( appData.delayAfterQuit );
11077 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11079 if (second.pr != NoProc) {
11080 DoSleep( appData.delayBeforeQuit );
11081 SendToProgram("quit\n", &second);
11082 DoSleep( appData.delayAfterQuit );
11083 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11085 if (first.isr != NULL) {
11086 RemoveInputSource(first.isr);
11088 if (second.isr != NULL) {
11089 RemoveInputSource(second.isr);
11092 ShutDownFrontEnd();
11099 if (appData.debugMode)
11100 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11104 if (gameMode == MachinePlaysWhite ||
11105 gameMode == MachinePlaysBlack) {
11108 DisplayBothClocks();
11110 if (gameMode == PlayFromGameFile) {
11111 if (appData.timeDelay >= 0)
11112 AutoPlayGameLoop();
11113 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11114 Reset(FALSE, TRUE);
11115 SendToICS(ics_prefix);
11116 SendToICS("refresh\n");
11117 } else if (currentMove < forwardMostMove) {
11118 ForwardInner(forwardMostMove);
11120 pauseExamInvalid = FALSE;
11122 switch (gameMode) {
11126 pauseExamForwardMostMove = forwardMostMove;
11127 pauseExamInvalid = FALSE;
11130 case IcsPlayingWhite:
11131 case IcsPlayingBlack:
11135 case PlayFromGameFile:
11136 (void) StopLoadGameTimer();
11140 case BeginningOfGame:
11141 if (appData.icsActive) return;
11142 /* else fall through */
11143 case MachinePlaysWhite:
11144 case MachinePlaysBlack:
11145 case TwoMachinesPlay:
11146 if (forwardMostMove == 0)
11147 return; /* don't pause if no one has moved */
11148 if ((gameMode == MachinePlaysWhite &&
11149 !WhiteOnMove(forwardMostMove)) ||
11150 (gameMode == MachinePlaysBlack &&
11151 WhiteOnMove(forwardMostMove))) {
11164 char title[MSG_SIZ];
11166 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11167 strcpy(title, _("Edit comment"));
11169 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11170 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11171 parseList[currentMove - 1]);
11174 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11181 char *tags = PGNTags(&gameInfo);
11182 EditTagsPopUp(tags);
11189 if (appData.noChessProgram || gameMode == AnalyzeMode)
11192 if (gameMode != AnalyzeFile) {
11193 if (!appData.icsEngineAnalyze) {
11195 if (gameMode != EditGame) return;
11197 ResurrectChessProgram();
11198 SendToProgram("analyze\n", &first);
11199 first.analyzing = TRUE;
11200 /*first.maybeThinking = TRUE;*/
11201 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11202 EngineOutputPopUp();
11204 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11209 StartAnalysisClock();
11210 GetTimeMark(&lastNodeCountTime);
11217 if (appData.noChessProgram || gameMode == AnalyzeFile)
11220 if (gameMode != AnalyzeMode) {
11222 if (gameMode != EditGame) return;
11223 ResurrectChessProgram();
11224 SendToProgram("analyze\n", &first);
11225 first.analyzing = TRUE;
11226 /*first.maybeThinking = TRUE;*/
11227 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11228 EngineOutputPopUp();
11230 gameMode = AnalyzeFile;
11235 StartAnalysisClock();
11236 GetTimeMark(&lastNodeCountTime);
11241 MachineWhiteEvent()
11244 char *bookHit = NULL;
11246 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11250 if (gameMode == PlayFromGameFile ||
11251 gameMode == TwoMachinesPlay ||
11252 gameMode == Training ||
11253 gameMode == AnalyzeMode ||
11254 gameMode == EndOfGame)
11257 if (gameMode == EditPosition)
11258 EditPositionDone(TRUE);
11260 if (!WhiteOnMove(currentMove)) {
11261 DisplayError(_("It is not White's turn"), 0);
11265 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11268 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11269 gameMode == AnalyzeFile)
11272 ResurrectChessProgram(); /* in case it isn't running */
11273 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11274 gameMode = MachinePlaysWhite;
11277 gameMode = MachinePlaysWhite;
11281 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11283 if (first.sendName) {
11284 sprintf(buf, "name %s\n", gameInfo.black);
11285 SendToProgram(buf, &first);
11287 if (first.sendTime) {
11288 if (first.useColors) {
11289 SendToProgram("black\n", &first); /*gnu kludge*/
11291 SendTimeRemaining(&first, TRUE);
11293 if (first.useColors) {
11294 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11296 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11297 SetMachineThinkingEnables();
11298 first.maybeThinking = TRUE;
11302 if (appData.autoFlipView && !flipView) {
11303 flipView = !flipView;
11304 DrawPosition(FALSE, NULL);
11305 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11308 if(bookHit) { // [HGM] book: simulate book reply
11309 static char bookMove[MSG_SIZ]; // a bit generous?
11311 programStats.nodes = programStats.depth = programStats.time =
11312 programStats.score = programStats.got_only_move = 0;
11313 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11315 strcpy(bookMove, "move ");
11316 strcat(bookMove, bookHit);
11317 HandleMachineMove(bookMove, &first);
11322 MachineBlackEvent()
11325 char *bookHit = NULL;
11327 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11331 if (gameMode == PlayFromGameFile ||
11332 gameMode == TwoMachinesPlay ||
11333 gameMode == Training ||
11334 gameMode == AnalyzeMode ||
11335 gameMode == EndOfGame)
11338 if (gameMode == EditPosition)
11339 EditPositionDone(TRUE);
11341 if (WhiteOnMove(currentMove)) {
11342 DisplayError(_("It is not Black's turn"), 0);
11346 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11349 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11350 gameMode == AnalyzeFile)
11353 ResurrectChessProgram(); /* in case it isn't running */
11354 gameMode = MachinePlaysBlack;
11358 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11360 if (first.sendName) {
11361 sprintf(buf, "name %s\n", gameInfo.white);
11362 SendToProgram(buf, &first);
11364 if (first.sendTime) {
11365 if (first.useColors) {
11366 SendToProgram("white\n", &first); /*gnu kludge*/
11368 SendTimeRemaining(&first, FALSE);
11370 if (first.useColors) {
11371 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11373 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11374 SetMachineThinkingEnables();
11375 first.maybeThinking = TRUE;
11378 if (appData.autoFlipView && flipView) {
11379 flipView = !flipView;
11380 DrawPosition(FALSE, NULL);
11381 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11383 if(bookHit) { // [HGM] book: simulate book reply
11384 static char bookMove[MSG_SIZ]; // a bit generous?
11386 programStats.nodes = programStats.depth = programStats.time =
11387 programStats.score = programStats.got_only_move = 0;
11388 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11390 strcpy(bookMove, "move ");
11391 strcat(bookMove, bookHit);
11392 HandleMachineMove(bookMove, &first);
11398 DisplayTwoMachinesTitle()
11401 if (appData.matchGames > 0) {
11402 if (first.twoMachinesColor[0] == 'w') {
11403 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11404 gameInfo.white, gameInfo.black,
11405 first.matchWins, second.matchWins,
11406 matchGame - 1 - (first.matchWins + second.matchWins));
11408 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11409 gameInfo.white, gameInfo.black,
11410 second.matchWins, first.matchWins,
11411 matchGame - 1 - (first.matchWins + second.matchWins));
11414 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11420 TwoMachinesEvent P((void))
11424 ChessProgramState *onmove;
11425 char *bookHit = NULL;
11427 if (appData.noChessProgram) return;
11429 switch (gameMode) {
11430 case TwoMachinesPlay:
11432 case MachinePlaysWhite:
11433 case MachinePlaysBlack:
11434 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11435 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11439 case BeginningOfGame:
11440 case PlayFromGameFile:
11443 if (gameMode != EditGame) return;
11446 EditPositionDone(TRUE);
11457 // forwardMostMove = currentMove;
11458 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11459 ResurrectChessProgram(); /* in case first program isn't running */
11461 if (second.pr == NULL) {
11462 StartChessProgram(&second);
11463 if (second.protocolVersion == 1) {
11464 TwoMachinesEventIfReady();
11466 /* kludge: allow timeout for initial "feature" command */
11468 DisplayMessage("", _("Starting second chess program"));
11469 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11473 DisplayMessage("", "");
11474 InitChessProgram(&second, FALSE);
11475 SendToProgram("force\n", &second);
11476 if (startedFromSetupPosition) {
11477 SendBoard(&second, backwardMostMove);
11478 if (appData.debugMode) {
11479 fprintf(debugFP, "Two Machines\n");
11482 for (i = backwardMostMove; i < forwardMostMove; i++) {
11483 SendMoveToProgram(i, &second);
11486 gameMode = TwoMachinesPlay;
11490 DisplayTwoMachinesTitle();
11492 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11498 SendToProgram(first.computerString, &first);
11499 if (first.sendName) {
11500 sprintf(buf, "name %s\n", second.tidy);
11501 SendToProgram(buf, &first);
11503 SendToProgram(second.computerString, &second);
11504 if (second.sendName) {
11505 sprintf(buf, "name %s\n", first.tidy);
11506 SendToProgram(buf, &second);
11510 if (!first.sendTime || !second.sendTime) {
11511 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11512 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11514 if (onmove->sendTime) {
11515 if (onmove->useColors) {
11516 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11518 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11520 if (onmove->useColors) {
11521 SendToProgram(onmove->twoMachinesColor, onmove);
11523 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11524 // SendToProgram("go\n", onmove);
11525 onmove->maybeThinking = TRUE;
11526 SetMachineThinkingEnables();
11530 if(bookHit) { // [HGM] book: simulate book reply
11531 static char bookMove[MSG_SIZ]; // a bit generous?
11533 programStats.nodes = programStats.depth = programStats.time =
11534 programStats.score = programStats.got_only_move = 0;
11535 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11537 strcpy(bookMove, "move ");
11538 strcat(bookMove, bookHit);
11539 savedMessage = bookMove; // args for deferred call
11540 savedState = onmove;
11541 ScheduleDelayedEvent(DeferredBookMove, 1);
11548 if (gameMode == Training) {
11549 SetTrainingModeOff();
11550 gameMode = PlayFromGameFile;
11551 DisplayMessage("", _("Training mode off"));
11553 gameMode = Training;
11554 animateTraining = appData.animate;
11556 /* make sure we are not already at the end of the game */
11557 if (currentMove < forwardMostMove) {
11558 SetTrainingModeOn();
11559 DisplayMessage("", _("Training mode on"));
11561 gameMode = PlayFromGameFile;
11562 DisplayError(_("Already at end of game"), 0);
11571 if (!appData.icsActive) return;
11572 switch (gameMode) {
11573 case IcsPlayingWhite:
11574 case IcsPlayingBlack:
11577 case BeginningOfGame:
11585 EditPositionDone(TRUE);
11598 gameMode = IcsIdle;
11609 switch (gameMode) {
11611 SetTrainingModeOff();
11613 case MachinePlaysWhite:
11614 case MachinePlaysBlack:
11615 case BeginningOfGame:
11616 SendToProgram("force\n", &first);
11617 SetUserThinkingEnables();
11619 case PlayFromGameFile:
11620 (void) StopLoadGameTimer();
11621 if (gameFileFP != NULL) {
11626 EditPositionDone(TRUE);
11631 SendToProgram("force\n", &first);
11633 case TwoMachinesPlay:
11634 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11635 ResurrectChessProgram();
11636 SetUserThinkingEnables();
11639 ResurrectChessProgram();
11641 case IcsPlayingBlack:
11642 case IcsPlayingWhite:
11643 DisplayError(_("Warning: You are still playing a game"), 0);
11646 DisplayError(_("Warning: You are still observing a game"), 0);
11649 DisplayError(_("Warning: You are still examining a game"), 0);
11660 first.offeredDraw = second.offeredDraw = 0;
11662 if (gameMode == PlayFromGameFile) {
11663 whiteTimeRemaining = timeRemaining[0][currentMove];
11664 blackTimeRemaining = timeRemaining[1][currentMove];
11668 if (gameMode == MachinePlaysWhite ||
11669 gameMode == MachinePlaysBlack ||
11670 gameMode == TwoMachinesPlay ||
11671 gameMode == EndOfGame) {
11672 i = forwardMostMove;
11673 while (i > currentMove) {
11674 SendToProgram("undo\n", &first);
11677 whiteTimeRemaining = timeRemaining[0][currentMove];
11678 blackTimeRemaining = timeRemaining[1][currentMove];
11679 DisplayBothClocks();
11680 if (whiteFlag || blackFlag) {
11681 whiteFlag = blackFlag = 0;
11686 gameMode = EditGame;
11693 EditPositionEvent()
11695 if (gameMode == EditPosition) {
11701 if (gameMode != EditGame) return;
11703 gameMode = EditPosition;
11706 if (currentMove > 0)
11707 CopyBoard(boards[0], boards[currentMove]);
11709 blackPlaysFirst = !WhiteOnMove(currentMove);
11711 currentMove = forwardMostMove = backwardMostMove = 0;
11712 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11719 /* [DM] icsEngineAnalyze - possible call from other functions */
11720 if (appData.icsEngineAnalyze) {
11721 appData.icsEngineAnalyze = FALSE;
11723 DisplayMessage("",_("Close ICS engine analyze..."));
11725 if (first.analysisSupport && first.analyzing) {
11726 SendToProgram("exit\n", &first);
11727 first.analyzing = FALSE;
11729 thinkOutput[0] = NULLCHAR;
11733 EditPositionDone(Boolean fakeRights)
11735 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11737 startedFromSetupPosition = TRUE;
11738 InitChessProgram(&first, FALSE);
11739 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11740 boards[0][EP_STATUS] = EP_NONE;
11741 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11742 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11743 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11744 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11745 } else boards[0][CASTLING][2] = NoRights;
11746 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11747 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11748 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11749 } else boards[0][CASTLING][5] = NoRights;
11751 SendToProgram("force\n", &first);
11752 if (blackPlaysFirst) {
11753 strcpy(moveList[0], "");
11754 strcpy(parseList[0], "");
11755 currentMove = forwardMostMove = backwardMostMove = 1;
11756 CopyBoard(boards[1], boards[0]);
11758 currentMove = forwardMostMove = backwardMostMove = 0;
11760 SendBoard(&first, forwardMostMove);
11761 if (appData.debugMode) {
11762 fprintf(debugFP, "EditPosDone\n");
11765 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11766 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11767 gameMode = EditGame;
11769 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11770 ClearHighlights(); /* [AS] */
11773 /* Pause for `ms' milliseconds */
11774 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11784 } while (SubtractTimeMarks(&m2, &m1) < ms);
11787 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11789 SendMultiLineToICS(buf)
11792 char temp[MSG_SIZ+1], *p;
11799 strncpy(temp, buf, len);
11804 if (*p == '\n' || *p == '\r')
11809 strcat(temp, "\n");
11811 SendToPlayer(temp, strlen(temp));
11815 SetWhiteToPlayEvent()
11817 if (gameMode == EditPosition) {
11818 blackPlaysFirst = FALSE;
11819 DisplayBothClocks(); /* works because currentMove is 0 */
11820 } else if (gameMode == IcsExamining) {
11821 SendToICS(ics_prefix);
11822 SendToICS("tomove white\n");
11827 SetBlackToPlayEvent()
11829 if (gameMode == EditPosition) {
11830 blackPlaysFirst = TRUE;
11831 currentMove = 1; /* kludge */
11832 DisplayBothClocks();
11834 } else if (gameMode == IcsExamining) {
11835 SendToICS(ics_prefix);
11836 SendToICS("tomove black\n");
11841 EditPositionMenuEvent(selection, x, y)
11842 ChessSquare selection;
11846 ChessSquare piece = boards[0][y][x];
11848 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11850 switch (selection) {
11852 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11853 SendToICS(ics_prefix);
11854 SendToICS("bsetup clear\n");
11855 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11856 SendToICS(ics_prefix);
11857 SendToICS("clearboard\n");
11859 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11860 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11861 for (y = 0; y < BOARD_HEIGHT; y++) {
11862 if (gameMode == IcsExamining) {
11863 if (boards[currentMove][y][x] != EmptySquare) {
11864 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11869 boards[0][y][x] = p;
11874 if (gameMode == EditPosition) {
11875 DrawPosition(FALSE, boards[0]);
11880 SetWhiteToPlayEvent();
11884 SetBlackToPlayEvent();
11888 if (gameMode == IcsExamining) {
11889 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11890 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11893 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11894 if(x == BOARD_LEFT-2) {
11895 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11896 boards[0][y][1] = 0;
11898 if(x == BOARD_RGHT+1) {
11899 if(y >= gameInfo.holdingsSize) break;
11900 boards[0][y][BOARD_WIDTH-2] = 0;
11903 boards[0][y][x] = EmptySquare;
11904 DrawPosition(FALSE, boards[0]);
11909 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
11910 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
11911 selection = (ChessSquare) (PROMOTED piece);
11912 } else if(piece == EmptySquare) selection = WhiteSilver;
11913 else selection = (ChessSquare)((int)piece - 1);
11917 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
11918 piece > (int)BlackMan && piece <= (int)BlackKing ) {
11919 selection = (ChessSquare) (DEMOTED piece);
11920 } else if(piece == EmptySquare) selection = BlackSilver;
11921 else selection = (ChessSquare)((int)piece + 1);
11926 if(gameInfo.variant == VariantShatranj ||
11927 gameInfo.variant == VariantXiangqi ||
11928 gameInfo.variant == VariantCourier ||
11929 gameInfo.variant == VariantMakruk )
11930 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
11935 if(gameInfo.variant == VariantXiangqi)
11936 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
11937 if(gameInfo.variant == VariantKnightmate)
11938 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
11941 if (gameMode == IcsExamining) {
11942 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11943 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
11944 PieceToChar(selection), AAA + x, ONE + y);
11947 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11949 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
11950 n = PieceToNumber(selection - BlackPawn);
11951 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
11952 boards[0][BOARD_HEIGHT-1-n][0] = selection;
11953 boards[0][BOARD_HEIGHT-1-n][1]++;
11955 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
11956 n = PieceToNumber(selection);
11957 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
11958 boards[0][n][BOARD_WIDTH-1] = selection;
11959 boards[0][n][BOARD_WIDTH-2]++;
11962 boards[0][y][x] = selection;
11963 DrawPosition(TRUE, boards[0]);
11971 DropMenuEvent(selection, x, y)
11972 ChessSquare selection;
11975 ChessMove moveType;
11977 switch (gameMode) {
11978 case IcsPlayingWhite:
11979 case MachinePlaysBlack:
11980 if (!WhiteOnMove(currentMove)) {
11981 DisplayMoveError(_("It is Black's turn"));
11984 moveType = WhiteDrop;
11986 case IcsPlayingBlack:
11987 case MachinePlaysWhite:
11988 if (WhiteOnMove(currentMove)) {
11989 DisplayMoveError(_("It is White's turn"));
11992 moveType = BlackDrop;
11995 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12001 if (moveType == BlackDrop && selection < BlackPawn) {
12002 selection = (ChessSquare) ((int) selection
12003 + (int) BlackPawn - (int) WhitePawn);
12005 if (boards[currentMove][y][x] != EmptySquare) {
12006 DisplayMoveError(_("That square is occupied"));
12010 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12016 /* Accept a pending offer of any kind from opponent */
12018 if (appData.icsActive) {
12019 SendToICS(ics_prefix);
12020 SendToICS("accept\n");
12021 } else if (cmailMsgLoaded) {
12022 if (currentMove == cmailOldMove &&
12023 commentList[cmailOldMove] != NULL &&
12024 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12025 "Black offers a draw" : "White offers a draw")) {
12027 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12028 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12030 DisplayError(_("There is no pending offer on this move"), 0);
12031 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12034 /* Not used for offers from chess program */
12041 /* Decline a pending offer of any kind from opponent */
12043 if (appData.icsActive) {
12044 SendToICS(ics_prefix);
12045 SendToICS("decline\n");
12046 } else if (cmailMsgLoaded) {
12047 if (currentMove == cmailOldMove &&
12048 commentList[cmailOldMove] != NULL &&
12049 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12050 "Black offers a draw" : "White offers a draw")) {
12052 AppendComment(cmailOldMove, "Draw declined", TRUE);
12053 DisplayComment(cmailOldMove - 1, "Draw declined");
12056 DisplayError(_("There is no pending offer on this move"), 0);
12059 /* Not used for offers from chess program */
12066 /* Issue ICS rematch command */
12067 if (appData.icsActive) {
12068 SendToICS(ics_prefix);
12069 SendToICS("rematch\n");
12076 /* Call your opponent's flag (claim a win on time) */
12077 if (appData.icsActive) {
12078 SendToICS(ics_prefix);
12079 SendToICS("flag\n");
12081 switch (gameMode) {
12084 case MachinePlaysWhite:
12087 GameEnds(GameIsDrawn, "Both players ran out of time",
12090 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12092 DisplayError(_("Your opponent is not out of time"), 0);
12095 case MachinePlaysBlack:
12098 GameEnds(GameIsDrawn, "Both players ran out of time",
12101 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12103 DisplayError(_("Your opponent is not out of time"), 0);
12113 /* Offer draw or accept pending draw offer from opponent */
12115 if (appData.icsActive) {
12116 /* Note: tournament rules require draw offers to be
12117 made after you make your move but before you punch
12118 your clock. Currently ICS doesn't let you do that;
12119 instead, you immediately punch your clock after making
12120 a move, but you can offer a draw at any time. */
12122 SendToICS(ics_prefix);
12123 SendToICS("draw\n");
12124 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12125 } else if (cmailMsgLoaded) {
12126 if (currentMove == cmailOldMove &&
12127 commentList[cmailOldMove] != NULL &&
12128 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12129 "Black offers a draw" : "White offers a draw")) {
12130 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12131 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12132 } else if (currentMove == cmailOldMove + 1) {
12133 char *offer = WhiteOnMove(cmailOldMove) ?
12134 "White offers a draw" : "Black offers a draw";
12135 AppendComment(currentMove, offer, TRUE);
12136 DisplayComment(currentMove - 1, offer);
12137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12139 DisplayError(_("You must make your move before offering a draw"), 0);
12140 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12142 } else if (first.offeredDraw) {
12143 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12145 if (first.sendDrawOffers) {
12146 SendToProgram("draw\n", &first);
12147 userOfferedDraw = TRUE;
12155 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12157 if (appData.icsActive) {
12158 SendToICS(ics_prefix);
12159 SendToICS("adjourn\n");
12161 /* Currently GNU Chess doesn't offer or accept Adjourns */
12169 /* Offer Abort or accept pending Abort offer from opponent */
12171 if (appData.icsActive) {
12172 SendToICS(ics_prefix);
12173 SendToICS("abort\n");
12175 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12182 /* Resign. You can do this even if it's not your turn. */
12184 if (appData.icsActive) {
12185 SendToICS(ics_prefix);
12186 SendToICS("resign\n");
12188 switch (gameMode) {
12189 case MachinePlaysWhite:
12190 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12192 case MachinePlaysBlack:
12193 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12196 if (cmailMsgLoaded) {
12198 if (WhiteOnMove(cmailOldMove)) {
12199 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12201 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12203 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12214 StopObservingEvent()
12216 /* Stop observing current games */
12217 SendToICS(ics_prefix);
12218 SendToICS("unobserve\n");
12222 StopExaminingEvent()
12224 /* Stop observing current game */
12225 SendToICS(ics_prefix);
12226 SendToICS("unexamine\n");
12230 ForwardInner(target)
12235 if (appData.debugMode)
12236 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12237 target, currentMove, forwardMostMove);
12239 if (gameMode == EditPosition)
12242 if (gameMode == PlayFromGameFile && !pausing)
12245 if (gameMode == IcsExamining && pausing)
12246 limit = pauseExamForwardMostMove;
12248 limit = forwardMostMove;
12250 if (target > limit) target = limit;
12252 if (target > 0 && moveList[target - 1][0]) {
12253 int fromX, fromY, toX, toY;
12254 toX = moveList[target - 1][2] - AAA;
12255 toY = moveList[target - 1][3] - ONE;
12256 if (moveList[target - 1][1] == '@') {
12257 if (appData.highlightLastMove) {
12258 SetHighlights(-1, -1, toX, toY);
12261 fromX = moveList[target - 1][0] - AAA;
12262 fromY = moveList[target - 1][1] - ONE;
12263 if (target == currentMove + 1) {
12264 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12266 if (appData.highlightLastMove) {
12267 SetHighlights(fromX, fromY, toX, toY);
12271 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12272 gameMode == Training || gameMode == PlayFromGameFile ||
12273 gameMode == AnalyzeFile) {
12274 while (currentMove < target) {
12275 SendMoveToProgram(currentMove++, &first);
12278 currentMove = target;
12281 if (gameMode == EditGame || gameMode == EndOfGame) {
12282 whiteTimeRemaining = timeRemaining[0][currentMove];
12283 blackTimeRemaining = timeRemaining[1][currentMove];
12285 DisplayBothClocks();
12286 DisplayMove(currentMove - 1);
12287 DrawPosition(FALSE, boards[currentMove]);
12288 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12289 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12290 DisplayComment(currentMove - 1, commentList[currentMove]);
12298 if (gameMode == IcsExamining && !pausing) {
12299 SendToICS(ics_prefix);
12300 SendToICS("forward\n");
12302 ForwardInner(currentMove + 1);
12309 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12310 /* to optimze, we temporarily turn off analysis mode while we feed
12311 * the remaining moves to the engine. Otherwise we get analysis output
12314 if (first.analysisSupport) {
12315 SendToProgram("exit\nforce\n", &first);
12316 first.analyzing = FALSE;
12320 if (gameMode == IcsExamining && !pausing) {
12321 SendToICS(ics_prefix);
12322 SendToICS("forward 999999\n");
12324 ForwardInner(forwardMostMove);
12327 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12328 /* we have fed all the moves, so reactivate analysis mode */
12329 SendToProgram("analyze\n", &first);
12330 first.analyzing = TRUE;
12331 /*first.maybeThinking = TRUE;*/
12332 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12337 BackwardInner(target)
12340 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12342 if (appData.debugMode)
12343 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12344 target, currentMove, forwardMostMove);
12346 if (gameMode == EditPosition) return;
12347 if (currentMove <= backwardMostMove) {
12349 DrawPosition(full_redraw, boards[currentMove]);
12352 if (gameMode == PlayFromGameFile && !pausing)
12355 if (moveList[target][0]) {
12356 int fromX, fromY, toX, toY;
12357 toX = moveList[target][2] - AAA;
12358 toY = moveList[target][3] - ONE;
12359 if (moveList[target][1] == '@') {
12360 if (appData.highlightLastMove) {
12361 SetHighlights(-1, -1, toX, toY);
12364 fromX = moveList[target][0] - AAA;
12365 fromY = moveList[target][1] - ONE;
12366 if (target == currentMove - 1) {
12367 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12369 if (appData.highlightLastMove) {
12370 SetHighlights(fromX, fromY, toX, toY);
12374 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12375 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12376 while (currentMove > target) {
12377 SendToProgram("undo\n", &first);
12381 currentMove = target;
12384 if (gameMode == EditGame || gameMode == EndOfGame) {
12385 whiteTimeRemaining = timeRemaining[0][currentMove];
12386 blackTimeRemaining = timeRemaining[1][currentMove];
12388 DisplayBothClocks();
12389 DisplayMove(currentMove - 1);
12390 DrawPosition(full_redraw, boards[currentMove]);
12391 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12392 // [HGM] PV info: routine tests if comment empty
12393 DisplayComment(currentMove - 1, commentList[currentMove]);
12399 if (gameMode == IcsExamining && !pausing) {
12400 SendToICS(ics_prefix);
12401 SendToICS("backward\n");
12403 BackwardInner(currentMove - 1);
12410 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12411 /* to optimize, we temporarily turn off analysis mode while we undo
12412 * all the moves. Otherwise we get analysis output after each undo.
12414 if (first.analysisSupport) {
12415 SendToProgram("exit\nforce\n", &first);
12416 first.analyzing = FALSE;
12420 if (gameMode == IcsExamining && !pausing) {
12421 SendToICS(ics_prefix);
12422 SendToICS("backward 999999\n");
12424 BackwardInner(backwardMostMove);
12427 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12428 /* we have fed all the moves, so reactivate analysis mode */
12429 SendToProgram("analyze\n", &first);
12430 first.analyzing = TRUE;
12431 /*first.maybeThinking = TRUE;*/
12432 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12439 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12440 if (to >= forwardMostMove) to = forwardMostMove;
12441 if (to <= backwardMostMove) to = backwardMostMove;
12442 if (to < currentMove) {
12452 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12455 if (gameMode != IcsExamining) {
12456 DisplayError(_("You are not examining a game"), 0);
12460 DisplayError(_("You can't revert while pausing"), 0);
12463 SendToICS(ics_prefix);
12464 SendToICS("revert\n");
12470 switch (gameMode) {
12471 case MachinePlaysWhite:
12472 case MachinePlaysBlack:
12473 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12474 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12477 if (forwardMostMove < 2) return;
12478 currentMove = forwardMostMove = forwardMostMove - 2;
12479 whiteTimeRemaining = timeRemaining[0][currentMove];
12480 blackTimeRemaining = timeRemaining[1][currentMove];
12481 DisplayBothClocks();
12482 DisplayMove(currentMove - 1);
12483 ClearHighlights();/*!! could figure this out*/
12484 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12485 SendToProgram("remove\n", &first);
12486 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12489 case BeginningOfGame:
12493 case IcsPlayingWhite:
12494 case IcsPlayingBlack:
12495 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12496 SendToICS(ics_prefix);
12497 SendToICS("takeback 2\n");
12499 SendToICS(ics_prefix);
12500 SendToICS("takeback 1\n");
12509 ChessProgramState *cps;
12511 switch (gameMode) {
12512 case MachinePlaysWhite:
12513 if (!WhiteOnMove(forwardMostMove)) {
12514 DisplayError(_("It is your turn"), 0);
12519 case MachinePlaysBlack:
12520 if (WhiteOnMove(forwardMostMove)) {
12521 DisplayError(_("It is your turn"), 0);
12526 case TwoMachinesPlay:
12527 if (WhiteOnMove(forwardMostMove) ==
12528 (first.twoMachinesColor[0] == 'w')) {
12534 case BeginningOfGame:
12538 SendToProgram("?\n", cps);
12542 TruncateGameEvent()
12545 if (gameMode != EditGame) return;
12552 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12553 if (forwardMostMove > currentMove) {
12554 if (gameInfo.resultDetails != NULL) {
12555 free(gameInfo.resultDetails);
12556 gameInfo.resultDetails = NULL;
12557 gameInfo.result = GameUnfinished;
12559 forwardMostMove = currentMove;
12560 HistorySet(parseList, backwardMostMove, forwardMostMove,
12568 if (appData.noChessProgram) return;
12569 switch (gameMode) {
12570 case MachinePlaysWhite:
12571 if (WhiteOnMove(forwardMostMove)) {
12572 DisplayError(_("Wait until your turn"), 0);
12576 case BeginningOfGame:
12577 case MachinePlaysBlack:
12578 if (!WhiteOnMove(forwardMostMove)) {
12579 DisplayError(_("Wait until your turn"), 0);
12584 DisplayError(_("No hint available"), 0);
12587 SendToProgram("hint\n", &first);
12588 hintRequested = TRUE;
12594 if (appData.noChessProgram) return;
12595 switch (gameMode) {
12596 case MachinePlaysWhite:
12597 if (WhiteOnMove(forwardMostMove)) {
12598 DisplayError(_("Wait until your turn"), 0);
12602 case BeginningOfGame:
12603 case MachinePlaysBlack:
12604 if (!WhiteOnMove(forwardMostMove)) {
12605 DisplayError(_("Wait until your turn"), 0);
12610 EditPositionDone(TRUE);
12612 case TwoMachinesPlay:
12617 SendToProgram("bk\n", &first);
12618 bookOutput[0] = NULLCHAR;
12619 bookRequested = TRUE;
12625 char *tags = PGNTags(&gameInfo);
12626 TagsPopUp(tags, CmailMsg());
12630 /* end button procedures */
12633 PrintPosition(fp, move)
12639 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12640 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12641 char c = PieceToChar(boards[move][i][j]);
12642 fputc(c == 'x' ? '.' : c, fp);
12643 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12646 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12647 fprintf(fp, "white to play\n");
12649 fprintf(fp, "black to play\n");
12656 if (gameInfo.white != NULL) {
12657 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12663 /* Find last component of program's own name, using some heuristics */
12665 TidyProgramName(prog, host, buf)
12666 char *prog, *host, buf[MSG_SIZ];
12669 int local = (strcmp(host, "localhost") == 0);
12670 while (!local && (p = strchr(prog, ';')) != NULL) {
12672 while (*p == ' ') p++;
12675 if (*prog == '"' || *prog == '\'') {
12676 q = strchr(prog + 1, *prog);
12678 q = strchr(prog, ' ');
12680 if (q == NULL) q = prog + strlen(prog);
12682 while (p >= prog && *p != '/' && *p != '\\') p--;
12684 if(p == prog && *p == '"') p++;
12685 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12686 memcpy(buf, p, q - p);
12687 buf[q - p] = NULLCHAR;
12695 TimeControlTagValue()
12698 if (!appData.clockMode) {
12700 } else if (movesPerSession > 0) {
12701 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12702 } else if (timeIncrement == 0) {
12703 sprintf(buf, "%ld", timeControl/1000);
12705 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12707 return StrSave(buf);
12713 /* This routine is used only for certain modes */
12714 VariantClass v = gameInfo.variant;
12715 ChessMove r = GameUnfinished;
12718 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12719 r = gameInfo.result;
12720 p = gameInfo.resultDetails;
12721 gameInfo.resultDetails = NULL;
12723 ClearGameInfo(&gameInfo);
12724 gameInfo.variant = v;
12726 switch (gameMode) {
12727 case MachinePlaysWhite:
12728 gameInfo.event = StrSave( appData.pgnEventHeader );
12729 gameInfo.site = StrSave(HostName());
12730 gameInfo.date = PGNDate();
12731 gameInfo.round = StrSave("-");
12732 gameInfo.white = StrSave(first.tidy);
12733 gameInfo.black = StrSave(UserName());
12734 gameInfo.timeControl = TimeControlTagValue();
12737 case MachinePlaysBlack:
12738 gameInfo.event = StrSave( appData.pgnEventHeader );
12739 gameInfo.site = StrSave(HostName());
12740 gameInfo.date = PGNDate();
12741 gameInfo.round = StrSave("-");
12742 gameInfo.white = StrSave(UserName());
12743 gameInfo.black = StrSave(first.tidy);
12744 gameInfo.timeControl = TimeControlTagValue();
12747 case TwoMachinesPlay:
12748 gameInfo.event = StrSave( appData.pgnEventHeader );
12749 gameInfo.site = StrSave(HostName());
12750 gameInfo.date = PGNDate();
12751 if (matchGame > 0) {
12753 sprintf(buf, "%d", matchGame);
12754 gameInfo.round = StrSave(buf);
12756 gameInfo.round = StrSave("-");
12758 if (first.twoMachinesColor[0] == 'w') {
12759 gameInfo.white = StrSave(first.tidy);
12760 gameInfo.black = StrSave(second.tidy);
12762 gameInfo.white = StrSave(second.tidy);
12763 gameInfo.black = StrSave(first.tidy);
12765 gameInfo.timeControl = TimeControlTagValue();
12769 gameInfo.event = StrSave("Edited game");
12770 gameInfo.site = StrSave(HostName());
12771 gameInfo.date = PGNDate();
12772 gameInfo.round = StrSave("-");
12773 gameInfo.white = StrSave("-");
12774 gameInfo.black = StrSave("-");
12775 gameInfo.result = r;
12776 gameInfo.resultDetails = p;
12780 gameInfo.event = StrSave("Edited position");
12781 gameInfo.site = StrSave(HostName());
12782 gameInfo.date = PGNDate();
12783 gameInfo.round = StrSave("-");
12784 gameInfo.white = StrSave("-");
12785 gameInfo.black = StrSave("-");
12788 case IcsPlayingWhite:
12789 case IcsPlayingBlack:
12794 case PlayFromGameFile:
12795 gameInfo.event = StrSave("Game from non-PGN file");
12796 gameInfo.site = StrSave(HostName());
12797 gameInfo.date = PGNDate();
12798 gameInfo.round = StrSave("-");
12799 gameInfo.white = StrSave("?");
12800 gameInfo.black = StrSave("?");
12809 ReplaceComment(index, text)
12815 while (*text == '\n') text++;
12816 len = strlen(text);
12817 while (len > 0 && text[len - 1] == '\n') len--;
12819 if (commentList[index] != NULL)
12820 free(commentList[index]);
12823 commentList[index] = NULL;
12826 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12827 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12828 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12829 commentList[index] = (char *) malloc(len + 2);
12830 strncpy(commentList[index], text, len);
12831 commentList[index][len] = '\n';
12832 commentList[index][len + 1] = NULLCHAR;
12834 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12836 commentList[index] = (char *) malloc(len + 6);
12837 strcpy(commentList[index], "{\n");
12838 strncpy(commentList[index]+2, text, len);
12839 commentList[index][len+2] = NULLCHAR;
12840 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12841 strcat(commentList[index], "\n}\n");
12855 if (ch == '\r') continue;
12857 } while (ch != '\0');
12861 AppendComment(index, text, addBraces)
12864 Boolean addBraces; // [HGM] braces: tells if we should add {}
12869 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12870 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12873 while (*text == '\n') text++;
12874 len = strlen(text);
12875 while (len > 0 && text[len - 1] == '\n') len--;
12877 if (len == 0) return;
12879 if (commentList[index] != NULL) {
12880 old = commentList[index];
12881 oldlen = strlen(old);
12882 while(commentList[index][oldlen-1] == '\n')
12883 commentList[index][--oldlen] = NULLCHAR;
12884 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12885 strcpy(commentList[index], old);
12887 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12888 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12889 if(addBraces) addBraces = FALSE; else { text++; len--; }
12890 while (*text == '\n') { text++; len--; }
12891 commentList[index][--oldlen] = NULLCHAR;
12893 if(addBraces) strcat(commentList[index], "\n{\n");
12894 else strcat(commentList[index], "\n");
12895 strcat(commentList[index], text);
12896 if(addBraces) strcat(commentList[index], "\n}\n");
12897 else strcat(commentList[index], "\n");
12899 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12901 strcpy(commentList[index], "{\n");
12902 else commentList[index][0] = NULLCHAR;
12903 strcat(commentList[index], text);
12904 strcat(commentList[index], "\n");
12905 if(addBraces) strcat(commentList[index], "}\n");
12909 static char * FindStr( char * text, char * sub_text )
12911 char * result = strstr( text, sub_text );
12913 if( result != NULL ) {
12914 result += strlen( sub_text );
12920 /* [AS] Try to extract PV info from PGN comment */
12921 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
12922 char *GetInfoFromComment( int index, char * text )
12926 if( text != NULL && index > 0 ) {
12929 int time = -1, sec = 0, deci;
12930 char * s_eval = FindStr( text, "[%eval " );
12931 char * s_emt = FindStr( text, "[%emt " );
12933 if( s_eval != NULL || s_emt != NULL ) {
12937 if( s_eval != NULL ) {
12938 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
12942 if( delim != ']' ) {
12947 if( s_emt != NULL ) {
12952 /* We expect something like: [+|-]nnn.nn/dd */
12955 if(*text != '{') return text; // [HGM] braces: must be normal comment
12957 sep = strchr( text, '/' );
12958 if( sep == NULL || sep < (text+4) ) {
12962 time = -1; sec = -1; deci = -1;
12963 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
12964 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
12965 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
12966 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
12970 if( score_lo < 0 || score_lo >= 100 ) {
12974 if(sec >= 0) time = 600*time + 10*sec; else
12975 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
12977 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
12979 /* [HGM] PV time: now locate end of PV info */
12980 while( *++sep >= '0' && *sep <= '9'); // strip depth
12982 while( *++sep >= '0' && *sep <= '9'); // strip time
12984 while( *++sep >= '0' && *sep <= '9'); // strip seconds
12986 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
12987 while(*sep == ' ') sep++;
12998 pvInfoList[index-1].depth = depth;
12999 pvInfoList[index-1].score = score;
13000 pvInfoList[index-1].time = 10*time; // centi-sec
13001 if(*sep == '}') *sep = 0; else *--sep = '{';
13007 SendToProgram(message, cps)
13009 ChessProgramState *cps;
13011 int count, outCount, error;
13014 if (cps->pr == NULL) return;
13017 if (appData.debugMode) {
13020 fprintf(debugFP, "%ld >%-6s: %s",
13021 SubtractTimeMarks(&now, &programStartTime),
13022 cps->which, message);
13025 count = strlen(message);
13026 outCount = OutputToProcess(cps->pr, message, count, &error);
13027 if (outCount < count && !exiting
13028 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13029 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13030 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13031 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13032 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13033 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13035 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13037 gameInfo.resultDetails = StrSave(buf);
13039 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13044 ReceiveFromProgram(isr, closure, message, count, error)
13045 InputSourceRef isr;
13053 ChessProgramState *cps = (ChessProgramState *)closure;
13055 if (isr != cps->isr) return; /* Killed intentionally */
13059 _("Error: %s chess program (%s) exited unexpectedly"),
13060 cps->which, cps->program);
13061 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13062 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13063 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13064 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13066 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13068 gameInfo.resultDetails = StrSave(buf);
13070 RemoveInputSource(cps->isr);
13071 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13074 _("Error reading from %s chess program (%s)"),
13075 cps->which, cps->program);
13076 RemoveInputSource(cps->isr);
13078 /* [AS] Program is misbehaving badly... kill it */
13079 if( count == -2 ) {
13080 DestroyChildProcess( cps->pr, 9 );
13084 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13089 if ((end_str = strchr(message, '\r')) != NULL)
13090 *end_str = NULLCHAR;
13091 if ((end_str = strchr(message, '\n')) != NULL)
13092 *end_str = NULLCHAR;
13094 if (appData.debugMode) {
13095 TimeMark now; int print = 1;
13096 char *quote = ""; char c; int i;
13098 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13099 char start = message[0];
13100 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13101 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13102 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13103 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13104 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13105 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13106 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13107 sscanf(message, "pong %c", &c)!=1 && start != '#')
13108 { quote = "# "; print = (appData.engineComments == 2); }
13109 message[0] = start; // restore original message
13113 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13114 SubtractTimeMarks(&now, &programStartTime), cps->which,
13120 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13121 if (appData.icsEngineAnalyze) {
13122 if (strstr(message, "whisper") != NULL ||
13123 strstr(message, "kibitz") != NULL ||
13124 strstr(message, "tellics") != NULL) return;
13127 HandleMachineMove(message, cps);
13132 SendTimeControl(cps, mps, tc, inc, sd, st)
13133 ChessProgramState *cps;
13134 int mps, inc, sd, st;
13140 if( timeControl_2 > 0 ) {
13141 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13142 tc = timeControl_2;
13145 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13146 inc /= cps->timeOdds;
13147 st /= cps->timeOdds;
13149 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13152 /* Set exact time per move, normally using st command */
13153 if (cps->stKludge) {
13154 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13156 if (seconds == 0) {
13157 sprintf(buf, "level 1 %d\n", st/60);
13159 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13162 sprintf(buf, "st %d\n", st);
13165 /* Set conventional or incremental time control, using level command */
13166 if (seconds == 0) {
13167 /* Note old gnuchess bug -- minutes:seconds used to not work.
13168 Fixed in later versions, but still avoid :seconds
13169 when seconds is 0. */
13170 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13172 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13173 seconds, inc/1000);
13176 SendToProgram(buf, cps);
13178 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13179 /* Orthogonally, limit search to given depth */
13181 if (cps->sdKludge) {
13182 sprintf(buf, "depth\n%d\n", sd);
13184 sprintf(buf, "sd %d\n", sd);
13186 SendToProgram(buf, cps);
13189 if(cps->nps > 0) { /* [HGM] nps */
13190 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13192 sprintf(buf, "nps %d\n", cps->nps);
13193 SendToProgram(buf, cps);
13198 ChessProgramState *WhitePlayer()
13199 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13201 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13202 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13208 SendTimeRemaining(cps, machineWhite)
13209 ChessProgramState *cps;
13210 int /*boolean*/ machineWhite;
13212 char message[MSG_SIZ];
13215 /* Note: this routine must be called when the clocks are stopped
13216 or when they have *just* been set or switched; otherwise
13217 it will be off by the time since the current tick started.
13219 if (machineWhite) {
13220 time = whiteTimeRemaining / 10;
13221 otime = blackTimeRemaining / 10;
13223 time = blackTimeRemaining / 10;
13224 otime = whiteTimeRemaining / 10;
13226 /* [HGM] translate opponent's time by time-odds factor */
13227 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13228 if (appData.debugMode) {
13229 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13232 if (time <= 0) time = 1;
13233 if (otime <= 0) otime = 1;
13235 sprintf(message, "time %ld\n", time);
13236 SendToProgram(message, cps);
13238 sprintf(message, "otim %ld\n", otime);
13239 SendToProgram(message, cps);
13243 BoolFeature(p, name, loc, cps)
13247 ChessProgramState *cps;
13250 int len = strlen(name);
13252 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13254 sscanf(*p, "%d", &val);
13256 while (**p && **p != ' ') (*p)++;
13257 sprintf(buf, "accepted %s\n", name);
13258 SendToProgram(buf, cps);
13265 IntFeature(p, name, loc, cps)
13269 ChessProgramState *cps;
13272 int len = strlen(name);
13273 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13275 sscanf(*p, "%d", loc);
13276 while (**p && **p != ' ') (*p)++;
13277 sprintf(buf, "accepted %s\n", name);
13278 SendToProgram(buf, cps);
13285 StringFeature(p, name, loc, cps)
13289 ChessProgramState *cps;
13292 int len = strlen(name);
13293 if (strncmp((*p), name, len) == 0
13294 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13296 sscanf(*p, "%[^\"]", loc);
13297 while (**p && **p != '\"') (*p)++;
13298 if (**p == '\"') (*p)++;
13299 sprintf(buf, "accepted %s\n", name);
13300 SendToProgram(buf, cps);
13307 ParseOption(Option *opt, ChessProgramState *cps)
13308 // [HGM] options: process the string that defines an engine option, and determine
13309 // name, type, default value, and allowed value range
13311 char *p, *q, buf[MSG_SIZ];
13312 int n, min = (-1)<<31, max = 1<<31, def;
13314 if(p = strstr(opt->name, " -spin ")) {
13315 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13316 if(max < min) max = min; // enforce consistency
13317 if(def < min) def = min;
13318 if(def > max) def = max;
13323 } else if((p = strstr(opt->name, " -slider "))) {
13324 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13325 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13326 if(max < min) max = min; // enforce consistency
13327 if(def < min) def = min;
13328 if(def > max) def = max;
13332 opt->type = Spin; // Slider;
13333 } else if((p = strstr(opt->name, " -string "))) {
13334 opt->textValue = p+9;
13335 opt->type = TextBox;
13336 } else if((p = strstr(opt->name, " -file "))) {
13337 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13338 opt->textValue = p+7;
13339 opt->type = TextBox; // FileName;
13340 } else if((p = strstr(opt->name, " -path "))) {
13341 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13342 opt->textValue = p+7;
13343 opt->type = TextBox; // PathName;
13344 } else if(p = strstr(opt->name, " -check ")) {
13345 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13346 opt->value = (def != 0);
13347 opt->type = CheckBox;
13348 } else if(p = strstr(opt->name, " -combo ")) {
13349 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13350 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13351 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13352 opt->value = n = 0;
13353 while(q = StrStr(q, " /// ")) {
13354 n++; *q = 0; // count choices, and null-terminate each of them
13356 if(*q == '*') { // remember default, which is marked with * prefix
13360 cps->comboList[cps->comboCnt++] = q;
13362 cps->comboList[cps->comboCnt++] = NULL;
13364 opt->type = ComboBox;
13365 } else if(p = strstr(opt->name, " -button")) {
13366 opt->type = Button;
13367 } else if(p = strstr(opt->name, " -save")) {
13368 opt->type = SaveButton;
13369 } else return FALSE;
13370 *p = 0; // terminate option name
13371 // now look if the command-line options define a setting for this engine option.
13372 if(cps->optionSettings && cps->optionSettings[0])
13373 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13374 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13375 sprintf(buf, "option %s", p);
13376 if(p = strstr(buf, ",")) *p = 0;
13378 SendToProgram(buf, cps);
13384 FeatureDone(cps, val)
13385 ChessProgramState* cps;
13388 DelayedEventCallback cb = GetDelayedEvent();
13389 if ((cb == InitBackEnd3 && cps == &first) ||
13390 (cb == TwoMachinesEventIfReady && cps == &second)) {
13391 CancelDelayedEvent();
13392 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13394 cps->initDone = val;
13397 /* Parse feature command from engine */
13399 ParseFeatures(args, cps)
13401 ChessProgramState *cps;
13409 while (*p == ' ') p++;
13410 if (*p == NULLCHAR) return;
13412 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13413 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13414 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13415 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13416 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13417 if (BoolFeature(&p, "reuse", &val, cps)) {
13418 /* Engine can disable reuse, but can't enable it if user said no */
13419 if (!val) cps->reuse = FALSE;
13422 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13423 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13424 if (gameMode == TwoMachinesPlay) {
13425 DisplayTwoMachinesTitle();
13431 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13432 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13433 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13434 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13435 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13436 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13437 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13438 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13439 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13440 if (IntFeature(&p, "done", &val, cps)) {
13441 FeatureDone(cps, val);
13444 /* Added by Tord: */
13445 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13446 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13447 /* End of additions by Tord */
13449 /* [HGM] added features: */
13450 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13451 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13452 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13453 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13454 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13455 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13456 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13457 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13458 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13459 SendToProgram(buf, cps);
13462 if(cps->nrOptions >= MAX_OPTIONS) {
13464 sprintf(buf, "%s engine has too many options\n", cps->which);
13465 DisplayError(buf, 0);
13469 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13470 /* End of additions by HGM */
13472 /* unknown feature: complain and skip */
13474 while (*q && *q != '=') q++;
13475 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13476 SendToProgram(buf, cps);
13482 while (*p && *p != '\"') p++;
13483 if (*p == '\"') p++;
13485 while (*p && *p != ' ') p++;
13493 PeriodicUpdatesEvent(newState)
13496 if (newState == appData.periodicUpdates)
13499 appData.periodicUpdates=newState;
13501 /* Display type changes, so update it now */
13502 // DisplayAnalysis();
13504 /* Get the ball rolling again... */
13506 AnalysisPeriodicEvent(1);
13507 StartAnalysisClock();
13512 PonderNextMoveEvent(newState)
13515 if (newState == appData.ponderNextMove) return;
13516 if (gameMode == EditPosition) EditPositionDone(TRUE);
13518 SendToProgram("hard\n", &first);
13519 if (gameMode == TwoMachinesPlay) {
13520 SendToProgram("hard\n", &second);
13523 SendToProgram("easy\n", &first);
13524 thinkOutput[0] = NULLCHAR;
13525 if (gameMode == TwoMachinesPlay) {
13526 SendToProgram("easy\n", &second);
13529 appData.ponderNextMove = newState;
13533 NewSettingEvent(option, command, value)
13539 if (gameMode == EditPosition) EditPositionDone(TRUE);
13540 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13541 SendToProgram(buf, &first);
13542 if (gameMode == TwoMachinesPlay) {
13543 SendToProgram(buf, &second);
13548 ShowThinkingEvent()
13549 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13551 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13552 int newState = appData.showThinking
13553 // [HGM] thinking: other features now need thinking output as well
13554 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13556 if (oldState == newState) return;
13557 oldState = newState;
13558 if (gameMode == EditPosition) EditPositionDone(TRUE);
13560 SendToProgram("post\n", &first);
13561 if (gameMode == TwoMachinesPlay) {
13562 SendToProgram("post\n", &second);
13565 SendToProgram("nopost\n", &first);
13566 thinkOutput[0] = NULLCHAR;
13567 if (gameMode == TwoMachinesPlay) {
13568 SendToProgram("nopost\n", &second);
13571 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13575 AskQuestionEvent(title, question, replyPrefix, which)
13576 char *title; char *question; char *replyPrefix; char *which;
13578 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13579 if (pr == NoProc) return;
13580 AskQuestion(title, question, replyPrefix, pr);
13584 DisplayMove(moveNumber)
13587 char message[MSG_SIZ];
13589 char cpThinkOutput[MSG_SIZ];
13591 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13593 if (moveNumber == forwardMostMove - 1 ||
13594 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13596 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13598 if (strchr(cpThinkOutput, '\n')) {
13599 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13602 *cpThinkOutput = NULLCHAR;
13605 /* [AS] Hide thinking from human user */
13606 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13607 *cpThinkOutput = NULLCHAR;
13608 if( thinkOutput[0] != NULLCHAR ) {
13611 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13612 cpThinkOutput[i] = '.';
13614 cpThinkOutput[i] = NULLCHAR;
13615 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13619 if (moveNumber == forwardMostMove - 1 &&
13620 gameInfo.resultDetails != NULL) {
13621 if (gameInfo.resultDetails[0] == NULLCHAR) {
13622 sprintf(res, " %s", PGNResult(gameInfo.result));
13624 sprintf(res, " {%s} %s",
13625 gameInfo.resultDetails, PGNResult(gameInfo.result));
13631 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13632 DisplayMessage(res, cpThinkOutput);
13634 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13635 WhiteOnMove(moveNumber) ? " " : ".. ",
13636 parseList[moveNumber], res);
13637 DisplayMessage(message, cpThinkOutput);
13642 DisplayComment(moveNumber, text)
13646 char title[MSG_SIZ];
13647 char buf[8000]; // comment can be long!
13650 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13651 strcpy(title, "Comment");
13653 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13654 WhiteOnMove(moveNumber) ? " " : ".. ",
13655 parseList[moveNumber]);
13657 // [HGM] PV info: display PV info together with (or as) comment
13658 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13659 if(text == NULL) text = "";
13660 score = pvInfoList[moveNumber].score;
13661 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13662 depth, (pvInfoList[moveNumber].time+50)/100, text);
13665 if (text != NULL && (appData.autoDisplayComment || commentUp))
13666 CommentPopUp(title, text);
13669 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13670 * might be busy thinking or pondering. It can be omitted if your
13671 * gnuchess is configured to stop thinking immediately on any user
13672 * input. However, that gnuchess feature depends on the FIONREAD
13673 * ioctl, which does not work properly on some flavors of Unix.
13677 ChessProgramState *cps;
13680 if (!cps->useSigint) return;
13681 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13682 switch (gameMode) {
13683 case MachinePlaysWhite:
13684 case MachinePlaysBlack:
13685 case TwoMachinesPlay:
13686 case IcsPlayingWhite:
13687 case IcsPlayingBlack:
13690 /* Skip if we know it isn't thinking */
13691 if (!cps->maybeThinking) return;
13692 if (appData.debugMode)
13693 fprintf(debugFP, "Interrupting %s\n", cps->which);
13694 InterruptChildProcess(cps->pr);
13695 cps->maybeThinking = FALSE;
13700 #endif /*ATTENTION*/
13706 if (whiteTimeRemaining <= 0) {
13709 if (appData.icsActive) {
13710 if (appData.autoCallFlag &&
13711 gameMode == IcsPlayingBlack && !blackFlag) {
13712 SendToICS(ics_prefix);
13713 SendToICS("flag\n");
13717 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13719 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13720 if (appData.autoCallFlag) {
13721 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13728 if (blackTimeRemaining <= 0) {
13731 if (appData.icsActive) {
13732 if (appData.autoCallFlag &&
13733 gameMode == IcsPlayingWhite && !whiteFlag) {
13734 SendToICS(ics_prefix);
13735 SendToICS("flag\n");
13739 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13741 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13742 if (appData.autoCallFlag) {
13743 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13756 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13757 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13760 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13762 if ( !WhiteOnMove(forwardMostMove) )
13763 /* White made time control */
13764 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13765 /* [HGM] time odds: correct new time quota for time odds! */
13766 / WhitePlayer()->timeOdds;
13768 /* Black made time control */
13769 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13770 / WhitePlayer()->other->timeOdds;
13774 DisplayBothClocks()
13776 int wom = gameMode == EditPosition ?
13777 !blackPlaysFirst : WhiteOnMove(currentMove);
13778 DisplayWhiteClock(whiteTimeRemaining, wom);
13779 DisplayBlackClock(blackTimeRemaining, !wom);
13783 /* Timekeeping seems to be a portability nightmare. I think everyone
13784 has ftime(), but I'm really not sure, so I'm including some ifdefs
13785 to use other calls if you don't. Clocks will be less accurate if
13786 you have neither ftime nor gettimeofday.
13789 /* VS 2008 requires the #include outside of the function */
13790 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13791 #include <sys/timeb.h>
13794 /* Get the current time as a TimeMark */
13799 #if HAVE_GETTIMEOFDAY
13801 struct timeval timeVal;
13802 struct timezone timeZone;
13804 gettimeofday(&timeVal, &timeZone);
13805 tm->sec = (long) timeVal.tv_sec;
13806 tm->ms = (int) (timeVal.tv_usec / 1000L);
13808 #else /*!HAVE_GETTIMEOFDAY*/
13811 // include <sys/timeb.h> / moved to just above start of function
13812 struct timeb timeB;
13815 tm->sec = (long) timeB.time;
13816 tm->ms = (int) timeB.millitm;
13818 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13819 tm->sec = (long) time(NULL);
13825 /* Return the difference in milliseconds between two
13826 time marks. We assume the difference will fit in a long!
13829 SubtractTimeMarks(tm2, tm1)
13830 TimeMark *tm2, *tm1;
13832 return 1000L*(tm2->sec - tm1->sec) +
13833 (long) (tm2->ms - tm1->ms);
13838 * Code to manage the game clocks.
13840 * In tournament play, black starts the clock and then white makes a move.
13841 * We give the human user a slight advantage if he is playing white---the
13842 * clocks don't run until he makes his first move, so it takes zero time.
13843 * Also, we don't account for network lag, so we could get out of sync
13844 * with GNU Chess's clock -- but then, referees are always right.
13847 static TimeMark tickStartTM;
13848 static long intendedTickLength;
13851 NextTickLength(timeRemaining)
13852 long timeRemaining;
13854 long nominalTickLength, nextTickLength;
13856 if (timeRemaining > 0L && timeRemaining <= 10000L)
13857 nominalTickLength = 100L;
13859 nominalTickLength = 1000L;
13860 nextTickLength = timeRemaining % nominalTickLength;
13861 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13863 return nextTickLength;
13866 /* Adjust clock one minute up or down */
13868 AdjustClock(Boolean which, int dir)
13870 if(which) blackTimeRemaining += 60000*dir;
13871 else whiteTimeRemaining += 60000*dir;
13872 DisplayBothClocks();
13875 /* Stop clocks and reset to a fresh time control */
13879 (void) StopClockTimer();
13880 if (appData.icsActive) {
13881 whiteTimeRemaining = blackTimeRemaining = 0;
13882 } else if (searchTime) {
13883 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13884 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13885 } else { /* [HGM] correct new time quote for time odds */
13886 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13887 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13889 if (whiteFlag || blackFlag) {
13891 whiteFlag = blackFlag = FALSE;
13893 DisplayBothClocks();
13896 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13898 /* Decrement running clock by amount of time that has passed */
13902 long timeRemaining;
13903 long lastTickLength, fudge;
13906 if (!appData.clockMode) return;
13907 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
13911 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13913 /* Fudge if we woke up a little too soon */
13914 fudge = intendedTickLength - lastTickLength;
13915 if (fudge < 0 || fudge > FUDGE) fudge = 0;
13917 if (WhiteOnMove(forwardMostMove)) {
13918 if(whiteNPS >= 0) lastTickLength = 0;
13919 timeRemaining = whiteTimeRemaining -= lastTickLength;
13920 DisplayWhiteClock(whiteTimeRemaining - fudge,
13921 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13923 if(blackNPS >= 0) lastTickLength = 0;
13924 timeRemaining = blackTimeRemaining -= lastTickLength;
13925 DisplayBlackClock(blackTimeRemaining - fudge,
13926 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
13929 if (CheckFlags()) return;
13932 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
13933 StartClockTimer(intendedTickLength);
13935 /* if the time remaining has fallen below the alarm threshold, sound the
13936 * alarm. if the alarm has sounded and (due to a takeback or time control
13937 * with increment) the time remaining has increased to a level above the
13938 * threshold, reset the alarm so it can sound again.
13941 if (appData.icsActive && appData.icsAlarm) {
13943 /* make sure we are dealing with the user's clock */
13944 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
13945 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
13948 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
13949 alarmSounded = FALSE;
13950 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
13952 alarmSounded = TRUE;
13958 /* A player has just moved, so stop the previously running
13959 clock and (if in clock mode) start the other one.
13960 We redisplay both clocks in case we're in ICS mode, because
13961 ICS gives us an update to both clocks after every move.
13962 Note that this routine is called *after* forwardMostMove
13963 is updated, so the last fractional tick must be subtracted
13964 from the color that is *not* on move now.
13969 long lastTickLength;
13971 int flagged = FALSE;
13975 if (StopClockTimer() && appData.clockMode) {
13976 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
13977 if (WhiteOnMove(forwardMostMove)) {
13978 if(blackNPS >= 0) lastTickLength = 0;
13979 blackTimeRemaining -= lastTickLength;
13980 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13981 // if(pvInfoList[forwardMostMove-1].time == -1)
13982 pvInfoList[forwardMostMove-1].time = // use GUI time
13983 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
13985 if(whiteNPS >= 0) lastTickLength = 0;
13986 whiteTimeRemaining -= lastTickLength;
13987 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
13988 // if(pvInfoList[forwardMostMove-1].time == -1)
13989 pvInfoList[forwardMostMove-1].time =
13990 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
13992 flagged = CheckFlags();
13994 CheckTimeControl();
13996 if (flagged || !appData.clockMode) return;
13998 switch (gameMode) {
13999 case MachinePlaysBlack:
14000 case MachinePlaysWhite:
14001 case BeginningOfGame:
14002 if (pausing) return;
14006 case PlayFromGameFile:
14014 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14015 if(WhiteOnMove(forwardMostMove))
14016 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14017 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14021 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14022 whiteTimeRemaining : blackTimeRemaining);
14023 StartClockTimer(intendedTickLength);
14027 /* Stop both clocks */
14031 long lastTickLength;
14034 if (!StopClockTimer()) return;
14035 if (!appData.clockMode) return;
14039 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14040 if (WhiteOnMove(forwardMostMove)) {
14041 if(whiteNPS >= 0) lastTickLength = 0;
14042 whiteTimeRemaining -= lastTickLength;
14043 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14045 if(blackNPS >= 0) lastTickLength = 0;
14046 blackTimeRemaining -= lastTickLength;
14047 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14052 /* Start clock of player on move. Time may have been reset, so
14053 if clock is already running, stop and restart it. */
14057 (void) StopClockTimer(); /* in case it was running already */
14058 DisplayBothClocks();
14059 if (CheckFlags()) return;
14061 if (!appData.clockMode) return;
14062 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14064 GetTimeMark(&tickStartTM);
14065 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14066 whiteTimeRemaining : blackTimeRemaining);
14068 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14069 whiteNPS = blackNPS = -1;
14070 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14071 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14072 whiteNPS = first.nps;
14073 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14074 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14075 blackNPS = first.nps;
14076 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14077 whiteNPS = second.nps;
14078 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14079 blackNPS = second.nps;
14080 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14082 StartClockTimer(intendedTickLength);
14089 long second, minute, hour, day;
14091 static char buf[32];
14093 if (ms > 0 && ms <= 9900) {
14094 /* convert milliseconds to tenths, rounding up */
14095 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14097 sprintf(buf, " %03.1f ", tenths/10.0);
14101 /* convert milliseconds to seconds, rounding up */
14102 /* use floating point to avoid strangeness of integer division
14103 with negative dividends on many machines */
14104 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14111 day = second / (60 * 60 * 24);
14112 second = second % (60 * 60 * 24);
14113 hour = second / (60 * 60);
14114 second = second % (60 * 60);
14115 minute = second / 60;
14116 second = second % 60;
14119 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14120 sign, day, hour, minute, second);
14122 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14124 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14131 * This is necessary because some C libraries aren't ANSI C compliant yet.
14134 StrStr(string, match)
14135 char *string, *match;
14139 length = strlen(match);
14141 for (i = strlen(string) - length; i >= 0; i--, string++)
14142 if (!strncmp(match, string, length))
14149 StrCaseStr(string, match)
14150 char *string, *match;
14154 length = strlen(match);
14156 for (i = strlen(string) - length; i >= 0; i--, string++) {
14157 for (j = 0; j < length; j++) {
14158 if (ToLower(match[j]) != ToLower(string[j]))
14161 if (j == length) return string;
14175 c1 = ToLower(*s1++);
14176 c2 = ToLower(*s2++);
14177 if (c1 > c2) return 1;
14178 if (c1 < c2) return -1;
14179 if (c1 == NULLCHAR) return 0;
14188 return isupper(c) ? tolower(c) : c;
14196 return islower(c) ? toupper(c) : c;
14198 #endif /* !_amigados */
14206 if ((ret = (char *) malloc(strlen(s) + 1))) {
14213 StrSavePtr(s, savePtr)
14214 char *s, **savePtr;
14219 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14220 strcpy(*savePtr, s);
14232 clock = time((time_t *)NULL);
14233 tm = localtime(&clock);
14234 sprintf(buf, "%04d.%02d.%02d",
14235 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14236 return StrSave(buf);
14241 PositionToFEN(move, overrideCastling)
14243 char *overrideCastling;
14245 int i, j, fromX, fromY, toX, toY;
14252 whiteToPlay = (gameMode == EditPosition) ?
14253 !blackPlaysFirst : (move % 2 == 0);
14256 /* Piece placement data */
14257 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14259 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14260 if (boards[move][i][j] == EmptySquare) {
14262 } else { ChessSquare piece = boards[move][i][j];
14263 if (emptycount > 0) {
14264 if(emptycount<10) /* [HGM] can be >= 10 */
14265 *p++ = '0' + emptycount;
14266 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14269 if(PieceToChar(piece) == '+') {
14270 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14272 piece = (ChessSquare)(DEMOTED piece);
14274 *p++ = PieceToChar(piece);
14276 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14277 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14282 if (emptycount > 0) {
14283 if(emptycount<10) /* [HGM] can be >= 10 */
14284 *p++ = '0' + emptycount;
14285 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14292 /* [HGM] print Crazyhouse or Shogi holdings */
14293 if( gameInfo.holdingsWidth ) {
14294 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14296 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14297 piece = boards[move][i][BOARD_WIDTH-1];
14298 if( piece != EmptySquare )
14299 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14300 *p++ = PieceToChar(piece);
14302 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14303 piece = boards[move][BOARD_HEIGHT-i-1][0];
14304 if( piece != EmptySquare )
14305 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14306 *p++ = PieceToChar(piece);
14309 if( q == p ) *p++ = '-';
14315 *p++ = whiteToPlay ? 'w' : 'b';
14318 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14319 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14321 if(nrCastlingRights) {
14323 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14324 /* [HGM] write directly from rights */
14325 if(boards[move][CASTLING][2] != NoRights &&
14326 boards[move][CASTLING][0] != NoRights )
14327 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14328 if(boards[move][CASTLING][2] != NoRights &&
14329 boards[move][CASTLING][1] != NoRights )
14330 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14331 if(boards[move][CASTLING][5] != NoRights &&
14332 boards[move][CASTLING][3] != NoRights )
14333 *p++ = boards[move][CASTLING][3] + AAA;
14334 if(boards[move][CASTLING][5] != NoRights &&
14335 boards[move][CASTLING][4] != NoRights )
14336 *p++ = boards[move][CASTLING][4] + AAA;
14339 /* [HGM] write true castling rights */
14340 if( nrCastlingRights == 6 ) {
14341 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14342 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14343 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14344 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14345 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14346 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14347 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14348 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14351 if (q == p) *p++ = '-'; /* No castling rights */
14355 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14356 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14357 /* En passant target square */
14358 if (move > backwardMostMove) {
14359 fromX = moveList[move - 1][0] - AAA;
14360 fromY = moveList[move - 1][1] - ONE;
14361 toX = moveList[move - 1][2] - AAA;
14362 toY = moveList[move - 1][3] - ONE;
14363 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14364 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14365 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14367 /* 2-square pawn move just happened */
14369 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14373 } else if(move == backwardMostMove) {
14374 // [HGM] perhaps we should always do it like this, and forget the above?
14375 if((signed char)boards[move][EP_STATUS] >= 0) {
14376 *p++ = boards[move][EP_STATUS] + AAA;
14377 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14388 /* [HGM] find reversible plies */
14389 { int i = 0, j=move;
14391 if (appData.debugMode) { int k;
14392 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14393 for(k=backwardMostMove; k<=forwardMostMove; k++)
14394 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14398 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14399 if( j == backwardMostMove ) i += initialRulePlies;
14400 sprintf(p, "%d ", i);
14401 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14403 /* Fullmove number */
14404 sprintf(p, "%d", (move / 2) + 1);
14406 return StrSave(buf);
14410 ParseFEN(board, blackPlaysFirst, fen)
14412 int *blackPlaysFirst;
14422 /* [HGM] by default clear Crazyhouse holdings, if present */
14423 if(gameInfo.holdingsWidth) {
14424 for(i=0; i<BOARD_HEIGHT; i++) {
14425 board[i][0] = EmptySquare; /* black holdings */
14426 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14427 board[i][1] = (ChessSquare) 0; /* black counts */
14428 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14432 /* Piece placement data */
14433 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14436 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14437 if (*p == '/') p++;
14438 emptycount = gameInfo.boardWidth - j;
14439 while (emptycount--)
14440 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14442 #if(BOARD_FILES >= 10)
14443 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14444 p++; emptycount=10;
14445 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14446 while (emptycount--)
14447 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14449 } else if (isdigit(*p)) {
14450 emptycount = *p++ - '0';
14451 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14452 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14453 while (emptycount--)
14454 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14455 } else if (*p == '+' || isalpha(*p)) {
14456 if (j >= gameInfo.boardWidth) return FALSE;
14458 piece = CharToPiece(*++p);
14459 if(piece == EmptySquare) return FALSE; /* unknown piece */
14460 piece = (ChessSquare) (PROMOTED piece ); p++;
14461 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14462 } else piece = CharToPiece(*p++);
14464 if(piece==EmptySquare) return FALSE; /* unknown piece */
14465 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14466 piece = (ChessSquare) (PROMOTED piece);
14467 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14470 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14476 while (*p == '/' || *p == ' ') p++;
14478 /* [HGM] look for Crazyhouse holdings here */
14479 while(*p==' ') p++;
14480 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14482 if(*p == '-' ) *p++; /* empty holdings */ else {
14483 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14484 /* if we would allow FEN reading to set board size, we would */
14485 /* have to add holdings and shift the board read so far here */
14486 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14488 if((int) piece >= (int) BlackPawn ) {
14489 i = (int)piece - (int)BlackPawn;
14490 i = PieceToNumber((ChessSquare)i);
14491 if( i >= gameInfo.holdingsSize ) return FALSE;
14492 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14493 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14495 i = (int)piece - (int)WhitePawn;
14496 i = PieceToNumber((ChessSquare)i);
14497 if( i >= gameInfo.holdingsSize ) return FALSE;
14498 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14499 board[i][BOARD_WIDTH-2]++; /* black holdings */
14503 if(*p == ']') *p++;
14506 while(*p == ' ') p++;
14511 *blackPlaysFirst = FALSE;
14514 *blackPlaysFirst = TRUE;
14520 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14521 /* return the extra info in global variiables */
14523 /* set defaults in case FEN is incomplete */
14524 board[EP_STATUS] = EP_UNKNOWN;
14525 for(i=0; i<nrCastlingRights; i++ ) {
14526 board[CASTLING][i] =
14527 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14528 } /* assume possible unless obviously impossible */
14529 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14530 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14531 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14532 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14533 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14534 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14535 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14536 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14539 while(*p==' ') p++;
14540 if(nrCastlingRights) {
14541 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14542 /* castling indicator present, so default becomes no castlings */
14543 for(i=0; i<nrCastlingRights; i++ ) {
14544 board[CASTLING][i] = NoRights;
14547 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14548 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14549 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14550 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14551 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14553 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14554 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14555 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14557 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14558 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14559 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14560 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14561 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14562 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14565 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14566 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14567 board[CASTLING][2] = whiteKingFile;
14570 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14571 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14572 board[CASTLING][2] = whiteKingFile;
14575 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14576 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14577 board[CASTLING][5] = blackKingFile;
14580 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14581 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14582 board[CASTLING][5] = blackKingFile;
14585 default: /* FRC castlings */
14586 if(c >= 'a') { /* black rights */
14587 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14588 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14589 if(i == BOARD_RGHT) break;
14590 board[CASTLING][5] = i;
14592 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14593 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14595 board[CASTLING][3] = c;
14597 board[CASTLING][4] = c;
14598 } else { /* white rights */
14599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14600 if(board[0][i] == WhiteKing) break;
14601 if(i == BOARD_RGHT) break;
14602 board[CASTLING][2] = i;
14603 c -= AAA - 'a' + 'A';
14604 if(board[0][c] >= WhiteKing) break;
14606 board[CASTLING][0] = c;
14608 board[CASTLING][1] = c;
14612 for(i=0; i<nrCastlingRights; i++)
14613 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14614 if (appData.debugMode) {
14615 fprintf(debugFP, "FEN castling rights:");
14616 for(i=0; i<nrCastlingRights; i++)
14617 fprintf(debugFP, " %d", board[CASTLING][i]);
14618 fprintf(debugFP, "\n");
14621 while(*p==' ') p++;
14624 /* read e.p. field in games that know e.p. capture */
14625 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14626 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14628 p++; board[EP_STATUS] = EP_NONE;
14630 char c = *p++ - AAA;
14632 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14633 if(*p >= '0' && *p <='9') *p++;
14634 board[EP_STATUS] = c;
14639 if(sscanf(p, "%d", &i) == 1) {
14640 FENrulePlies = i; /* 50-move ply counter */
14641 /* (The move number is still ignored) */
14648 EditPositionPasteFEN(char *fen)
14651 Board initial_position;
14653 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14654 DisplayError(_("Bad FEN position in clipboard"), 0);
14657 int savedBlackPlaysFirst = blackPlaysFirst;
14658 EditPositionEvent();
14659 blackPlaysFirst = savedBlackPlaysFirst;
14660 CopyBoard(boards[0], initial_position);
14661 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14662 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14663 DisplayBothClocks();
14664 DrawPosition(FALSE, boards[currentMove]);
14669 static char cseq[12] = "\\ ";
14671 Boolean set_cont_sequence(char *new_seq)
14676 // handle bad attempts to set the sequence
14678 return 0; // acceptable error - no debug
14680 len = strlen(new_seq);
14681 ret = (len > 0) && (len < sizeof(cseq));
14683 strcpy(cseq, new_seq);
14684 else if (appData.debugMode)
14685 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14690 reformat a source message so words don't cross the width boundary. internal
14691 newlines are not removed. returns the wrapped size (no null character unless
14692 included in source message). If dest is NULL, only calculate the size required
14693 for the dest buffer. lp argument indicats line position upon entry, and it's
14694 passed back upon exit.
14696 int wrap(char *dest, char *src, int count, int width, int *lp)
14698 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14700 cseq_len = strlen(cseq);
14701 old_line = line = *lp;
14702 ansi = len = clen = 0;
14704 for (i=0; i < count; i++)
14706 if (src[i] == '\033')
14709 // if we hit the width, back up
14710 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14712 // store i & len in case the word is too long
14713 old_i = i, old_len = len;
14715 // find the end of the last word
14716 while (i && src[i] != ' ' && src[i] != '\n')
14722 // word too long? restore i & len before splitting it
14723 if ((old_i-i+clen) >= width)
14730 if (i && src[i-1] == ' ')
14733 if (src[i] != ' ' && src[i] != '\n')
14740 // now append the newline and continuation sequence
14745 strncpy(dest+len, cseq, cseq_len);
14753 dest[len] = src[i];
14757 if (src[i] == '\n')
14762 if (dest && appData.debugMode)
14764 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14765 count, width, line, len, *lp);
14766 show_bytes(debugFP, src, count);
14767 fprintf(debugFP, "\ndest: ");
14768 show_bytes(debugFP, dest, len);
14769 fprintf(debugFP, "\n");
14771 *lp = dest ? line : old_line;
14776 // [HGM] vari: routines for shelving variations
14779 PushTail(int firstMove, int lastMove)
14781 int i, j, nrMoves = lastMove - firstMove;
14783 if(appData.icsActive) { // only in local mode
14784 forwardMostMove = currentMove; // mimic old ICS behavior
14787 if(storedGames >= MAX_VARIATIONS-1) return;
14789 // push current tail of game on stack
14790 savedResult[storedGames] = gameInfo.result;
14791 savedDetails[storedGames] = gameInfo.resultDetails;
14792 gameInfo.resultDetails = NULL;
14793 savedFirst[storedGames] = firstMove;
14794 savedLast [storedGames] = lastMove;
14795 savedFramePtr[storedGames] = framePtr;
14796 framePtr -= nrMoves; // reserve space for the boards
14797 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14798 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14799 for(j=0; j<MOVE_LEN; j++)
14800 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14801 for(j=0; j<2*MOVE_LEN; j++)
14802 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14803 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14804 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14805 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14806 pvInfoList[firstMove+i-1].depth = 0;
14807 commentList[framePtr+i] = commentList[firstMove+i];
14808 commentList[firstMove+i] = NULL;
14812 forwardMostMove = currentMove; // truncte game so we can start variation
14813 if(storedGames == 1) GreyRevert(FALSE);
14817 PopTail(Boolean annotate)
14820 char buf[8000], moveBuf[20];
14822 if(appData.icsActive) return FALSE; // only in local mode
14823 if(!storedGames) return FALSE; // sanity
14826 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14827 nrMoves = savedLast[storedGames] - currentMove;
14830 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14831 else strcpy(buf, "(");
14832 for(i=currentMove; i<forwardMostMove; i++) {
14834 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14835 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14836 strcat(buf, moveBuf);
14837 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14841 for(i=1; i<nrMoves; i++) { // copy last variation back
14842 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14843 for(j=0; j<MOVE_LEN; j++)
14844 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14845 for(j=0; j<2*MOVE_LEN; j++)
14846 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14847 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14848 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14849 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14850 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14851 commentList[currentMove+i] = commentList[framePtr+i];
14852 commentList[framePtr+i] = NULL;
14854 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14855 framePtr = savedFramePtr[storedGames];
14856 gameInfo.result = savedResult[storedGames];
14857 if(gameInfo.resultDetails != NULL) {
14858 free(gameInfo.resultDetails);
14860 gameInfo.resultDetails = savedDetails[storedGames];
14861 forwardMostMove = currentMove + nrMoves;
14862 if(storedGames == 0) GreyRevert(TRUE);
14868 { // remove all shelved variations
14870 for(i=0; i<storedGames; i++) {
14871 if(savedDetails[i])
14872 free(savedDetails[i]);
14873 savedDetails[i] = NULL;
14875 for(i=framePtr; i<MAX_MOVES; i++) {
14876 if(commentList[i]) free(commentList[i]);
14877 commentList[i] = NULL;
14879 framePtr = MAX_MOVES-1;