2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
247 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
248 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
249 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
250 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
251 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
252 int opponentKibitzes;
253 int lastSavedGame; /* [HGM] save: ID of game */
254 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
255 extern int chatCount;
257 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
259 /* States for ics_getting_history */
261 #define H_REQUESTED 1
262 #define H_GOT_REQ_HEADER 2
263 #define H_GOT_UNREQ_HEADER 3
264 #define H_GETTING_MOVES 4
265 #define H_GOT_UNWANTED_HEADER 5
267 /* whosays values for GameEnds */
276 /* Maximum number of games in a cmail message */
277 #define CMAIL_MAX_GAMES 20
279 /* Different types of move when calling RegisterMove */
281 #define CMAIL_RESIGN 1
283 #define CMAIL_ACCEPT 3
285 /* Different types of result to remember for each game */
286 #define CMAIL_NOT_RESULT 0
287 #define CMAIL_OLD_RESULT 1
288 #define CMAIL_NEW_RESULT 2
290 /* Telnet protocol constants */
301 static char * safeStrCpy( char * dst, const char * src, size_t count )
303 assert( dst != NULL );
304 assert( src != NULL );
307 strncpy( dst, src, count );
308 dst[ count-1 ] = '\0';
312 /* Some compiler can't cast u64 to double
313 * This function do the job for us:
315 * We use the highest bit for cast, this only
316 * works if the highest bit is not
317 * in use (This should not happen)
319 * We used this for all compiler
322 u64ToDouble(u64 value)
325 u64 tmp = value & u64Const(0x7fffffffffffffff);
326 r = (double)(s64)tmp;
327 if (value & u64Const(0x8000000000000000))
328 r += 9.2233720368547758080e18; /* 2^63 */
332 /* Fake up flags for now, as we aren't keeping track of castling
333 availability yet. [HGM] Change of logic: the flag now only
334 indicates the type of castlings allowed by the rule of the game.
335 The actual rights themselves are maintained in the array
336 castlingRights, as part of the game history, and are not probed
342 int flags = F_ALL_CASTLE_OK;
343 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
344 switch (gameInfo.variant) {
346 flags &= ~F_ALL_CASTLE_OK;
347 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
348 flags |= F_IGNORE_CHECK;
350 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
353 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
355 case VariantKriegspiel:
356 flags |= F_KRIEGSPIEL_CAPTURE;
358 case VariantCapaRandom:
359 case VariantFischeRandom:
360 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
361 case VariantNoCastle:
362 case VariantShatranj:
365 flags &= ~F_ALL_CASTLE_OK;
373 FILE *gameFileFP, *debugFP;
376 [AS] Note: sometimes, the sscanf() function is used to parse the input
377 into a fixed-size buffer. Because of this, we must be prepared to
378 receive strings as long as the size of the input buffer, which is currently
379 set to 4K for Windows and 8K for the rest.
380 So, we must either allocate sufficiently large buffers here, or
381 reduce the size of the input buffer in the input reading part.
384 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
385 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
386 char thinkOutput1[MSG_SIZ*10];
388 ChessProgramState first, second;
390 /* premove variables */
393 int premoveFromX = 0;
394 int premoveFromY = 0;
395 int premovePromoChar = 0;
397 Boolean alarmSounded;
398 /* end premove variables */
400 char *ics_prefix = "$";
401 int ics_type = ICS_GENERIC;
403 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
404 int pauseExamForwardMostMove = 0;
405 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
406 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
407 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
408 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
409 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
410 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
411 int whiteFlag = FALSE, blackFlag = FALSE;
412 int userOfferedDraw = FALSE;
413 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
414 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
415 int cmailMoveType[CMAIL_MAX_GAMES];
416 long ics_clock_paused = 0;
417 ProcRef icsPR = NoProc, cmailPR = NoProc;
418 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
419 GameMode gameMode = BeginningOfGame;
420 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
421 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
422 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
423 int hiddenThinkOutputState = 0; /* [AS] */
424 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
425 int adjudicateLossPlies = 6;
426 char white_holding[64], black_holding[64];
427 TimeMark lastNodeCountTime;
428 long lastNodeCount=0;
429 int have_sent_ICS_logon = 0;
431 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
432 long timeControl_2; /* [AS] Allow separate time controls */
433 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
434 long timeRemaining[2][MAX_MOVES];
436 TimeMark programStartTime;
437 char ics_handle[MSG_SIZ];
438 int have_set_title = 0;
440 /* animateTraining preserves the state of appData.animate
441 * when Training mode is activated. This allows the
442 * response to be animated when appData.animate == TRUE and
443 * appData.animateDragging == TRUE.
445 Boolean animateTraining;
451 Board boards[MAX_MOVES];
452 /* [HGM] Following 7 needed for accurate legality tests: */
453 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
454 signed char initialRights[BOARD_FILES];
455 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
456 int initialRulePlies, FENrulePlies;
457 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
460 int mute; // mute all sounds
462 // [HGM] vari: next 12 to save and restore variations
463 #define MAX_VARIATIONS 10
464 int framePtr = MAX_MOVES-1; // points to free stack entry
466 int savedFirst[MAX_VARIATIONS];
467 int savedLast[MAX_VARIATIONS];
468 int savedFramePtr[MAX_VARIATIONS];
469 char *savedDetails[MAX_VARIATIONS];
470 ChessMove savedResult[MAX_VARIATIONS];
472 void PushTail P((int firstMove, int lastMove));
473 Boolean PopTail P((Boolean annotate));
474 void CleanupTail P((void));
476 ChessSquare FIDEArray[2][BOARD_FILES] = {
477 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
478 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
479 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
480 BlackKing, BlackBishop, BlackKnight, BlackRook }
483 ChessSquare twoKingsArray[2][BOARD_FILES] = {
484 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
485 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
486 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
487 BlackKing, BlackKing, BlackKnight, BlackRook }
490 ChessSquare KnightmateArray[2][BOARD_FILES] = {
491 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
492 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
493 { BlackRook, BlackMan, BlackBishop, BlackQueen,
494 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
497 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
498 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
499 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
500 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
501 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
504 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
505 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
506 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
507 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
508 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
511 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
512 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
513 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackMan, BlackFerz,
515 BlackKing, BlackMan, BlackKnight, BlackRook }
519 #if (BOARD_FILES>=10)
520 ChessSquare ShogiArray[2][BOARD_FILES] = {
521 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
522 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
523 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
524 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
527 ChessSquare XiangqiArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
529 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
530 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
531 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
534 ChessSquare CapablancaArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
541 ChessSquare GreatArray[2][BOARD_FILES] = {
542 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
543 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
544 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
545 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
548 ChessSquare JanusArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
550 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
551 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
552 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
556 ChessSquare GothicArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
558 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
560 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
563 #define GothicArray CapablancaArray
567 ChessSquare FalconArray[2][BOARD_FILES] = {
568 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
569 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
570 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
571 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
574 #define FalconArray CapablancaArray
577 #else // !(BOARD_FILES>=10)
578 #define XiangqiPosition FIDEArray
579 #define CapablancaArray FIDEArray
580 #define GothicArray FIDEArray
581 #define GreatArray FIDEArray
582 #endif // !(BOARD_FILES>=10)
584 #if (BOARD_FILES>=12)
585 ChessSquare CourierArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
589 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
591 #else // !(BOARD_FILES>=12)
592 #define CourierArray CapablancaArray
593 #endif // !(BOARD_FILES>=12)
596 Board initialPosition;
599 /* Convert str to a rating. Checks for special cases of "----",
601 "++++", etc. Also strips ()'s */
603 string_to_rating(str)
606 while(*str && !isdigit(*str)) ++str;
608 return 0; /* One of the special "no rating" cases */
616 /* Init programStats */
617 programStats.movelist[0] = 0;
618 programStats.depth = 0;
619 programStats.nr_moves = 0;
620 programStats.moves_left = 0;
621 programStats.nodes = 0;
622 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
623 programStats.score = 0;
624 programStats.got_only_move = 0;
625 programStats.got_fail = 0;
626 programStats.line_is_book = 0;
632 int matched, min, sec;
634 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
636 GetTimeMark(&programStartTime);
637 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
640 programStats.ok_to_send = 1;
641 programStats.seen_stat = 0;
644 * Initialize game list
650 * Internet chess server status
652 if (appData.icsActive) {
653 appData.matchMode = FALSE;
654 appData.matchGames = 0;
656 appData.noChessProgram = !appData.zippyPlay;
658 appData.zippyPlay = FALSE;
659 appData.zippyTalk = FALSE;
660 appData.noChessProgram = TRUE;
662 if (*appData.icsHelper != NULLCHAR) {
663 appData.useTelnet = TRUE;
664 appData.telnetProgram = appData.icsHelper;
667 appData.zippyTalk = appData.zippyPlay = FALSE;
670 /* [AS] Initialize pv info list [HGM] and game state */
674 for( i=0; i<=framePtr; i++ ) {
675 pvInfoList[i].depth = -1;
676 boards[i][EP_STATUS] = EP_NONE;
677 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
682 * Parse timeControl resource
684 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
685 appData.movesPerSession)) {
687 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
688 DisplayFatalError(buf, 0, 2);
692 * Parse searchTime resource
694 if (*appData.searchTime != NULLCHAR) {
695 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
697 searchTime = min * 60;
698 } else if (matched == 2) {
699 searchTime = min * 60 + sec;
702 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
703 DisplayFatalError(buf, 0, 2);
707 /* [AS] Adjudication threshold */
708 adjudicateLossThreshold = appData.adjudicateLossThreshold;
710 first.which = "first";
711 second.which = "second";
712 first.maybeThinking = second.maybeThinking = FALSE;
713 first.pr = second.pr = NoProc;
714 first.isr = second.isr = NULL;
715 first.sendTime = second.sendTime = 2;
716 first.sendDrawOffers = 1;
717 if (appData.firstPlaysBlack) {
718 first.twoMachinesColor = "black\n";
719 second.twoMachinesColor = "white\n";
721 first.twoMachinesColor = "white\n";
722 second.twoMachinesColor = "black\n";
724 first.program = appData.firstChessProgram;
725 second.program = appData.secondChessProgram;
726 first.host = appData.firstHost;
727 second.host = appData.secondHost;
728 first.dir = appData.firstDirectory;
729 second.dir = appData.secondDirectory;
730 first.other = &second;
731 second.other = &first;
732 first.initString = appData.initString;
733 second.initString = appData.secondInitString;
734 first.computerString = appData.firstComputerString;
735 second.computerString = appData.secondComputerString;
736 first.useSigint = second.useSigint = TRUE;
737 first.useSigterm = second.useSigterm = TRUE;
738 first.reuse = appData.reuseFirst;
739 second.reuse = appData.reuseSecond;
740 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
741 second.nps = appData.secondNPS;
742 first.useSetboard = second.useSetboard = FALSE;
743 first.useSAN = second.useSAN = FALSE;
744 first.usePing = second.usePing = FALSE;
745 first.lastPing = second.lastPing = 0;
746 first.lastPong = second.lastPong = 0;
747 first.usePlayother = second.usePlayother = FALSE;
748 first.useColors = second.useColors = TRUE;
749 first.useUsermove = second.useUsermove = FALSE;
750 first.sendICS = second.sendICS = FALSE;
751 first.sendName = second.sendName = appData.icsActive;
752 first.sdKludge = second.sdKludge = FALSE;
753 first.stKludge = second.stKludge = FALSE;
754 TidyProgramName(first.program, first.host, first.tidy);
755 TidyProgramName(second.program, second.host, second.tidy);
756 first.matchWins = second.matchWins = 0;
757 strcpy(first.variants, appData.variant);
758 strcpy(second.variants, appData.variant);
759 first.analysisSupport = second.analysisSupport = 2; /* detect */
760 first.analyzing = second.analyzing = FALSE;
761 first.initDone = second.initDone = FALSE;
763 /* New features added by Tord: */
764 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
765 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
766 /* End of new features added by Tord. */
767 first.fenOverride = appData.fenOverride1;
768 second.fenOverride = appData.fenOverride2;
770 /* [HGM] time odds: set factor for each machine */
771 first.timeOdds = appData.firstTimeOdds;
772 second.timeOdds = appData.secondTimeOdds;
774 if(appData.timeOddsMode) {
775 norm = first.timeOdds;
776 if(norm > second.timeOdds) norm = second.timeOdds;
778 first.timeOdds /= norm;
779 second.timeOdds /= norm;
782 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
783 first.accumulateTC = appData.firstAccumulateTC;
784 second.accumulateTC = appData.secondAccumulateTC;
785 first.maxNrOfSessions = second.maxNrOfSessions = 1;
788 first.debug = second.debug = FALSE;
789 first.supportsNPS = second.supportsNPS = UNKNOWN;
792 first.optionSettings = appData.firstOptions;
793 second.optionSettings = appData.secondOptions;
795 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
796 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
797 first.isUCI = appData.firstIsUCI; /* [AS] */
798 second.isUCI = appData.secondIsUCI; /* [AS] */
799 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
800 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
802 if (appData.firstProtocolVersion > PROTOVER ||
803 appData.firstProtocolVersion < 1) {
805 sprintf(buf, _("protocol version %d not supported"),
806 appData.firstProtocolVersion);
807 DisplayFatalError(buf, 0, 2);
809 first.protocolVersion = appData.firstProtocolVersion;
812 if (appData.secondProtocolVersion > PROTOVER ||
813 appData.secondProtocolVersion < 1) {
815 sprintf(buf, _("protocol version %d not supported"),
816 appData.secondProtocolVersion);
817 DisplayFatalError(buf, 0, 2);
819 second.protocolVersion = appData.secondProtocolVersion;
822 if (appData.icsActive) {
823 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
824 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
825 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
826 appData.clockMode = FALSE;
827 first.sendTime = second.sendTime = 0;
831 /* Override some settings from environment variables, for backward
832 compatibility. Unfortunately it's not feasible to have the env
833 vars just set defaults, at least in xboard. Ugh.
835 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
840 if (appData.noChessProgram) {
841 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
842 sprintf(programVersion, "%s", PACKAGE_STRING);
844 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
845 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
846 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
849 if (!appData.icsActive) {
851 /* Check for variants that are supported only in ICS mode,
852 or not at all. Some that are accepted here nevertheless
853 have bugs; see comments below.
855 VariantClass variant = StringToVariant(appData.variant);
857 case VariantBughouse: /* need four players and two boards */
858 case VariantKriegspiel: /* need to hide pieces and move details */
859 /* case VariantFischeRandom: (Fabien: moved below) */
860 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
861 DisplayFatalError(buf, 0, 2);
865 case VariantLoadable:
875 sprintf(buf, _("Unknown variant name %s"), appData.variant);
876 DisplayFatalError(buf, 0, 2);
879 case VariantXiangqi: /* [HGM] repetition rules not implemented */
880 case VariantFairy: /* [HGM] TestLegality definitely off! */
881 case VariantGothic: /* [HGM] should work */
882 case VariantCapablanca: /* [HGM] should work */
883 case VariantCourier: /* [HGM] initial forced moves not implemented */
884 case VariantShogi: /* [HGM] drops not tested for legality */
885 case VariantKnightmate: /* [HGM] should work */
886 case VariantCylinder: /* [HGM] untested */
887 case VariantFalcon: /* [HGM] untested */
888 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
889 offboard interposition not understood */
890 case VariantNormal: /* definitely works! */
891 case VariantWildCastle: /* pieces not automatically shuffled */
892 case VariantNoCastle: /* pieces not automatically shuffled */
893 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
894 case VariantLosers: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantSuicide: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantGiveaway: /* should work except for win condition,
899 and doesn't know captures are mandatory */
900 case VariantTwoKings: /* should work */
901 case VariantAtomic: /* should work except for win condition */
902 case Variant3Check: /* should work except for win condition */
903 case VariantShatranj: /* should work except for all win conditions */
904 case VariantMakruk: /* should work except for daw countdown */
905 case VariantBerolina: /* might work if TestLegality is off */
906 case VariantCapaRandom: /* should work */
907 case VariantJanus: /* should work */
908 case VariantSuper: /* experimental */
909 case VariantGreat: /* experimental, requires legality testing to be off */
914 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
915 InitEngineUCI( installDir, &second );
918 int NextIntegerFromString( char ** str, long * value )
923 while( *s == ' ' || *s == '\t' ) {
929 if( *s >= '0' && *s <= '9' ) {
930 while( *s >= '0' && *s <= '9' ) {
931 *value = *value * 10 + (*s - '0');
943 int NextTimeControlFromString( char ** str, long * value )
946 int result = NextIntegerFromString( str, &temp );
949 *value = temp * 60; /* Minutes */
952 result = NextIntegerFromString( str, &temp );
953 *value += temp; /* Seconds */
960 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
961 { /* [HGM] routine added to read '+moves/time' for secondary time control */
962 int result = -1; long temp, temp2;
964 if(**str != '+') return -1; // old params remain in force!
966 if( NextTimeControlFromString( str, &temp ) ) return -1;
969 /* time only: incremental or sudden-death time control */
970 if(**str == '+') { /* increment follows; read it */
972 if(result = NextIntegerFromString( str, &temp2)) return -1;
975 *moves = 0; *tc = temp * 1000;
977 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
979 (*str)++; /* classical time control */
980 result = NextTimeControlFromString( str, &temp2);
989 int GetTimeQuota(int movenr)
990 { /* [HGM] get time to add from the multi-session time-control string */
991 int moves=1; /* kludge to force reading of first session */
992 long time, increment;
993 char *s = fullTimeControlString;
995 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
997 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
998 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
999 if(movenr == -1) return time; /* last move before new session */
1000 if(!moves) return increment; /* current session is incremental */
1001 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1002 } while(movenr >= -1); /* try again for next session */
1004 return 0; // no new time quota on this move
1008 ParseTimeControl(tc, ti, mps)
1017 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1020 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1021 else sprintf(buf, "+%s+%d", tc, ti);
1024 sprintf(buf, "+%d/%s", mps, tc);
1025 else sprintf(buf, "+%s", tc);
1027 fullTimeControlString = StrSave(buf);
1029 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1034 /* Parse second time control */
1037 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1045 timeControl_2 = tc2 * 1000;
1055 timeControl = tc1 * 1000;
1058 timeIncrement = ti * 1000; /* convert to ms */
1059 movesPerSession = 0;
1062 movesPerSession = mps;
1070 if (appData.debugMode) {
1071 fprintf(debugFP, "%s\n", programVersion);
1074 set_cont_sequence(appData.wrapContSeq);
1075 if (appData.matchGames > 0) {
1076 appData.matchMode = TRUE;
1077 } else if (appData.matchMode) {
1078 appData.matchGames = 1;
1080 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1081 appData.matchGames = appData.sameColorGames;
1082 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1083 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1084 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1087 if (appData.noChessProgram || first.protocolVersion == 1) {
1090 /* kludge: allow timeout for initial "feature" commands */
1092 DisplayMessage("", _("Starting chess program"));
1093 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1098 InitBackEnd3 P((void))
1100 GameMode initialMode;
1104 InitChessProgram(&first, startedFromSetupPosition);
1107 if (appData.icsActive) {
1109 /* [DM] Make a console window if needed [HGM] merged ifs */
1114 if (*appData.icsCommPort != NULLCHAR) {
1115 sprintf(buf, _("Could not open comm port %s"),
1116 appData.icsCommPort);
1118 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1119 appData.icsHost, appData.icsPort);
1121 DisplayFatalError(buf, err, 1);
1126 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1128 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1129 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1130 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1131 } else if (appData.noChessProgram) {
1137 if (*appData.cmailGameName != NULLCHAR) {
1139 OpenLoopback(&cmailPR);
1141 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1145 DisplayMessage("", "");
1146 if (StrCaseCmp(appData.initialMode, "") == 0) {
1147 initialMode = BeginningOfGame;
1148 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1149 initialMode = TwoMachinesPlay;
1150 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1151 initialMode = AnalyzeFile;
1152 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1153 initialMode = AnalyzeMode;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1155 initialMode = MachinePlaysWhite;
1156 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1157 initialMode = MachinePlaysBlack;
1158 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1159 initialMode = EditGame;
1160 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1161 initialMode = EditPosition;
1162 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1163 initialMode = Training;
1165 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1166 DisplayFatalError(buf, 0, 2);
1170 if (appData.matchMode) {
1171 /* Set up machine vs. machine match */
1172 if (appData.noChessProgram) {
1173 DisplayFatalError(_("Can't have a match with no chess programs"),
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 int index = appData.loadGameIndex; // [HGM] autoinc
1181 if(index<0) lastIndex = index = 1;
1182 if (!LoadGameFromFile(appData.loadGameFile,
1184 appData.loadGameFile, FALSE)) {
1185 DisplayFatalError(_("Bad game file"), 0, 1);
1188 } else if (*appData.loadPositionFile != NULLCHAR) {
1189 int index = appData.loadPositionIndex; // [HGM] autoinc
1190 if(index<0) lastIndex = index = 1;
1191 if (!LoadPositionFromFile(appData.loadPositionFile,
1193 appData.loadPositionFile)) {
1194 DisplayFatalError(_("Bad position file"), 0, 1);
1199 } else if (*appData.cmailGameName != NULLCHAR) {
1200 /* Set up cmail mode */
1201 ReloadCmailMsgEvent(TRUE);
1203 /* Set up other modes */
1204 if (initialMode == AnalyzeFile) {
1205 if (*appData.loadGameFile == NULLCHAR) {
1206 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1210 if (*appData.loadGameFile != NULLCHAR) {
1211 (void) LoadGameFromFile(appData.loadGameFile,
1212 appData.loadGameIndex,
1213 appData.loadGameFile, TRUE);
1214 } else if (*appData.loadPositionFile != NULLCHAR) {
1215 (void) LoadPositionFromFile(appData.loadPositionFile,
1216 appData.loadPositionIndex,
1217 appData.loadPositionFile);
1218 /* [HGM] try to make self-starting even after FEN load */
1219 /* to allow automatic setup of fairy variants with wtm */
1220 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1221 gameMode = BeginningOfGame;
1222 setboardSpoiledMachineBlack = 1;
1224 /* [HGM] loadPos: make that every new game uses the setup */
1225 /* from file as long as we do not switch variant */
1226 if(!blackPlaysFirst) {
1227 startedFromPositionFile = TRUE;
1228 CopyBoard(filePosition, boards[0]);
1231 if (initialMode == AnalyzeMode) {
1232 if (appData.noChessProgram) {
1233 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1236 if (appData.icsActive) {
1237 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1241 } else if (initialMode == AnalyzeFile) {
1242 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1243 ShowThinkingEvent();
1245 AnalysisPeriodicEvent(1);
1246 } else if (initialMode == MachinePlaysWhite) {
1247 if (appData.noChessProgram) {
1248 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1252 if (appData.icsActive) {
1253 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1257 MachineWhiteEvent();
1258 } else if (initialMode == MachinePlaysBlack) {
1259 if (appData.noChessProgram) {
1260 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1264 if (appData.icsActive) {
1265 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1269 MachineBlackEvent();
1270 } else if (initialMode == TwoMachinesPlay) {
1271 if (appData.noChessProgram) {
1272 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1276 if (appData.icsActive) {
1277 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1282 } else if (initialMode == EditGame) {
1284 } else if (initialMode == EditPosition) {
1285 EditPositionEvent();
1286 } else if (initialMode == Training) {
1287 if (*appData.loadGameFile == NULLCHAR) {
1288 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1297 * Establish will establish a contact to a remote host.port.
1298 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1299 * used to talk to the host.
1300 * Returns 0 if okay, error code if not.
1307 if (*appData.icsCommPort != NULLCHAR) {
1308 /* Talk to the host through a serial comm port */
1309 return OpenCommPort(appData.icsCommPort, &icsPR);
1311 } else if (*appData.gateway != NULLCHAR) {
1312 if (*appData.remoteShell == NULLCHAR) {
1313 /* Use the rcmd protocol to run telnet program on a gateway host */
1314 snprintf(buf, sizeof(buf), "%s %s %s",
1315 appData.telnetProgram, appData.icsHost, appData.icsPort);
1316 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1319 /* Use the rsh program to run telnet program on a gateway host */
1320 if (*appData.remoteUser == NULLCHAR) {
1321 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1322 appData.gateway, appData.telnetProgram,
1323 appData.icsHost, appData.icsPort);
1325 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1326 appData.remoteShell, appData.gateway,
1327 appData.remoteUser, appData.telnetProgram,
1328 appData.icsHost, appData.icsPort);
1330 return StartChildProcess(buf, "", &icsPR);
1333 } else if (appData.useTelnet) {
1334 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1337 /* TCP socket interface differs somewhat between
1338 Unix and NT; handle details in the front end.
1340 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1345 show_bytes(fp, buf, count)
1351 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1352 fprintf(fp, "\\%03o", *buf & 0xff);
1361 /* Returns an errno value */
1363 OutputMaybeTelnet(pr, message, count, outError)
1369 char buf[8192], *p, *q, *buflim;
1370 int left, newcount, outcount;
1372 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1373 *appData.gateway != NULLCHAR) {
1374 if (appData.debugMode) {
1375 fprintf(debugFP, ">ICS: ");
1376 show_bytes(debugFP, message, count);
1377 fprintf(debugFP, "\n");
1379 return OutputToProcess(pr, message, count, outError);
1382 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1389 if (appData.debugMode) {
1390 fprintf(debugFP, ">ICS: ");
1391 show_bytes(debugFP, buf, newcount);
1392 fprintf(debugFP, "\n");
1394 outcount = OutputToProcess(pr, buf, newcount, outError);
1395 if (outcount < newcount) return -1; /* to be sure */
1402 } else if (((unsigned char) *p) == TN_IAC) {
1403 *q++ = (char) TN_IAC;
1410 if (appData.debugMode) {
1411 fprintf(debugFP, ">ICS: ");
1412 show_bytes(debugFP, buf, newcount);
1413 fprintf(debugFP, "\n");
1415 outcount = OutputToProcess(pr, buf, newcount, outError);
1416 if (outcount < newcount) return -1; /* to be sure */
1421 read_from_player(isr, closure, message, count, error)
1428 int outError, outCount;
1429 static int gotEof = 0;
1431 /* Pass data read from player on to ICS */
1434 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1435 if (outCount < count) {
1436 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1438 } else if (count < 0) {
1439 RemoveInputSource(isr);
1440 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1441 } else if (gotEof++ > 0) {
1442 RemoveInputSource(isr);
1443 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1449 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1450 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1451 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1452 SendToICS("date\n");
1453 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1456 /* added routine for printf style output to ics */
1457 void ics_printf(char *format, ...)
1459 char buffer[MSG_SIZ];
1462 va_start(args, format);
1463 vsnprintf(buffer, sizeof(buffer), format, args);
1464 buffer[sizeof(buffer)-1] = '\0';
1473 int count, outCount, outError;
1475 if (icsPR == NULL) return;
1478 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1479 if (outCount < count) {
1480 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1484 /* This is used for sending logon scripts to the ICS. Sending
1485 without a delay causes problems when using timestamp on ICC
1486 (at least on my machine). */
1488 SendToICSDelayed(s,msdelay)
1492 int count, outCount, outError;
1494 if (icsPR == NULL) return;
1497 if (appData.debugMode) {
1498 fprintf(debugFP, ">ICS: ");
1499 show_bytes(debugFP, s, count);
1500 fprintf(debugFP, "\n");
1502 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1504 if (outCount < count) {
1505 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1510 /* Remove all highlighting escape sequences in s
1511 Also deletes any suffix starting with '('
1514 StripHighlightAndTitle(s)
1517 static char retbuf[MSG_SIZ];
1520 while (*s != NULLCHAR) {
1521 while (*s == '\033') {
1522 while (*s != NULLCHAR && !isalpha(*s)) s++;
1523 if (*s != NULLCHAR) s++;
1525 while (*s != NULLCHAR && *s != '\033') {
1526 if (*s == '(' || *s == '[') {
1537 /* Remove all highlighting escape sequences in s */
1542 static char retbuf[MSG_SIZ];
1545 while (*s != NULLCHAR) {
1546 while (*s == '\033') {
1547 while (*s != NULLCHAR && !isalpha(*s)) s++;
1548 if (*s != NULLCHAR) s++;
1550 while (*s != NULLCHAR && *s != '\033') {
1558 char *variantNames[] = VARIANT_NAMES;
1563 return variantNames[v];
1567 /* Identify a variant from the strings the chess servers use or the
1568 PGN Variant tag names we use. */
1575 VariantClass v = VariantNormal;
1576 int i, found = FALSE;
1581 /* [HGM] skip over optional board-size prefixes */
1582 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1583 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1584 while( *e++ != '_');
1587 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1591 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1592 if (StrCaseStr(e, variantNames[i])) {
1593 v = (VariantClass) i;
1600 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1601 || StrCaseStr(e, "wild/fr")
1602 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1603 v = VariantFischeRandom;
1604 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1605 (i = 1, p = StrCaseStr(e, "w"))) {
1607 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1614 case 0: /* FICS only, actually */
1616 /* Castling legal even if K starts on d-file */
1617 v = VariantWildCastle;
1622 /* Castling illegal even if K & R happen to start in
1623 normal positions. */
1624 v = VariantNoCastle;
1637 /* Castling legal iff K & R start in normal positions */
1643 /* Special wilds for position setup; unclear what to do here */
1644 v = VariantLoadable;
1647 /* Bizarre ICC game */
1648 v = VariantTwoKings;
1651 v = VariantKriegspiel;
1657 v = VariantFischeRandom;
1660 v = VariantCrazyhouse;
1663 v = VariantBughouse;
1669 /* Not quite the same as FICS suicide! */
1670 v = VariantGiveaway;
1676 v = VariantShatranj;
1679 /* Temporary names for future ICC types. The name *will* change in
1680 the next xboard/WinBoard release after ICC defines it. */
1718 v = VariantCapablanca;
1721 v = VariantKnightmate;
1727 v = VariantCylinder;
1733 v = VariantCapaRandom;
1736 v = VariantBerolina;
1748 /* Found "wild" or "w" in the string but no number;
1749 must assume it's normal chess. */
1753 sprintf(buf, _("Unknown wild type %d"), wnum);
1754 DisplayError(buf, 0);
1760 if (appData.debugMode) {
1761 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1762 e, wnum, VariantName(v));
1767 static int leftover_start = 0, leftover_len = 0;
1768 char star_match[STAR_MATCH_N][MSG_SIZ];
1770 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1771 advance *index beyond it, and set leftover_start to the new value of
1772 *index; else return FALSE. If pattern contains the character '*', it
1773 matches any sequence of characters not containing '\r', '\n', or the
1774 character following the '*' (if any), and the matched sequence(s) are
1775 copied into star_match.
1778 looking_at(buf, index, pattern)
1783 char *bufp = &buf[*index], *patternp = pattern;
1785 char *matchp = star_match[0];
1788 if (*patternp == NULLCHAR) {
1789 *index = leftover_start = bufp - buf;
1793 if (*bufp == NULLCHAR) return FALSE;
1794 if (*patternp == '*') {
1795 if (*bufp == *(patternp + 1)) {
1797 matchp = star_match[++star_count];
1801 } else if (*bufp == '\n' || *bufp == '\r') {
1803 if (*patternp == NULLCHAR)
1808 *matchp++ = *bufp++;
1812 if (*patternp != *bufp) return FALSE;
1819 SendToPlayer(data, length)
1823 int error, outCount;
1824 outCount = OutputToProcess(NoProc, data, length, &error);
1825 if (outCount < length) {
1826 DisplayFatalError(_("Error writing to display"), error, 1);
1831 PackHolding(packed, holding)
1843 switch (runlength) {
1854 sprintf(q, "%d", runlength);
1866 /* Telnet protocol requests from the front end */
1868 TelnetRequest(ddww, option)
1869 unsigned char ddww, option;
1871 unsigned char msg[3];
1872 int outCount, outError;
1874 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1876 if (appData.debugMode) {
1877 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1893 sprintf(buf1, "%d", ddww);
1902 sprintf(buf2, "%d", option);
1905 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1910 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1919 if (!appData.icsActive) return;
1920 TelnetRequest(TN_DO, TN_ECHO);
1926 if (!appData.icsActive) return;
1927 TelnetRequest(TN_DONT, TN_ECHO);
1931 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1933 /* put the holdings sent to us by the server on the board holdings area */
1934 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1938 if(gameInfo.holdingsWidth < 2) return;
1939 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1940 return; // prevent overwriting by pre-board holdings
1942 if( (int)lowestPiece >= BlackPawn ) {
1945 holdingsStartRow = BOARD_HEIGHT-1;
1948 holdingsColumn = BOARD_WIDTH-1;
1949 countsColumn = BOARD_WIDTH-2;
1950 holdingsStartRow = 0;
1954 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1955 board[i][holdingsColumn] = EmptySquare;
1956 board[i][countsColumn] = (ChessSquare) 0;
1958 while( (p=*holdings++) != NULLCHAR ) {
1959 piece = CharToPiece( ToUpper(p) );
1960 if(piece == EmptySquare) continue;
1961 /*j = (int) piece - (int) WhitePawn;*/
1962 j = PieceToNumber(piece);
1963 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1964 if(j < 0) continue; /* should not happen */
1965 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1966 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1967 board[holdingsStartRow+j*direction][countsColumn]++;
1973 VariantSwitch(Board board, VariantClass newVariant)
1975 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1978 startedFromPositionFile = FALSE;
1979 if(gameInfo.variant == newVariant) return;
1981 /* [HGM] This routine is called each time an assignment is made to
1982 * gameInfo.variant during a game, to make sure the board sizes
1983 * are set to match the new variant. If that means adding or deleting
1984 * holdings, we shift the playing board accordingly
1985 * This kludge is needed because in ICS observe mode, we get boards
1986 * of an ongoing game without knowing the variant, and learn about the
1987 * latter only later. This can be because of the move list we requested,
1988 * in which case the game history is refilled from the beginning anyway,
1989 * but also when receiving holdings of a crazyhouse game. In the latter
1990 * case we want to add those holdings to the already received position.
1994 if (appData.debugMode) {
1995 fprintf(debugFP, "Switch board from %s to %s\n",
1996 VariantName(gameInfo.variant), VariantName(newVariant));
1997 setbuf(debugFP, NULL);
1999 shuffleOpenings = 0; /* [HGM] shuffle */
2000 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2004 newWidth = 9; newHeight = 9;
2005 gameInfo.holdingsSize = 7;
2006 case VariantBughouse:
2007 case VariantCrazyhouse:
2008 newHoldingsWidth = 2; break;
2012 newHoldingsWidth = 2;
2013 gameInfo.holdingsSize = 8;
2016 case VariantCapablanca:
2017 case VariantCapaRandom:
2020 newHoldingsWidth = gameInfo.holdingsSize = 0;
2023 if(newWidth != gameInfo.boardWidth ||
2024 newHeight != gameInfo.boardHeight ||
2025 newHoldingsWidth != gameInfo.holdingsWidth ) {
2027 /* shift position to new playing area, if needed */
2028 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2029 for(i=0; i<BOARD_HEIGHT; i++)
2030 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2031 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2033 for(i=0; i<newHeight; i++) {
2034 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2035 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2037 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2038 for(i=0; i<BOARD_HEIGHT; i++)
2039 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2040 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2043 gameInfo.boardWidth = newWidth;
2044 gameInfo.boardHeight = newHeight;
2045 gameInfo.holdingsWidth = newHoldingsWidth;
2046 gameInfo.variant = newVariant;
2047 InitDrawingSizes(-2, 0);
2048 } else gameInfo.variant = newVariant;
2049 CopyBoard(oldBoard, board); // remember correctly formatted board
2050 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2051 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2054 static int loggedOn = FALSE;
2056 /*-- Game start info cache: --*/
2058 char gs_kind[MSG_SIZ];
2059 static char player1Name[128] = "";
2060 static char player2Name[128] = "";
2061 static char cont_seq[] = "\n\\ ";
2062 static int player1Rating = -1;
2063 static int player2Rating = -1;
2064 /*----------------------------*/
2066 ColorClass curColor = ColorNormal;
2067 int suppressKibitz = 0;
2070 Boolean soughtPending = FALSE;
2071 Boolean seekGraphUp;
2072 #define MAX_SEEK_ADS 200
2074 char *seekAdList[MAX_SEEK_ADS];
2075 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2076 float tcList[MAX_SEEK_ADS];
2077 char colorList[MAX_SEEK_ADS];
2078 int nrOfSeekAds = 0;
2079 int minRating = 1010, maxRating = 2800;
2080 int hMargin = 10, vMargin = 20, h, w;
2081 extern int squareSize, lineGap;
2086 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2087 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2088 if(r < minRating+100 && r >=0 ) r = minRating+100;
2089 if(r > maxRating) r = maxRating;
2090 if(tc < 1.) tc = 1.;
2091 if(tc > 95.) tc = 95.;
2092 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2093 y = ((double)r - minRating)/(maxRating - minRating)
2094 * (h-vMargin-squareSize/8-1) + vMargin;
2095 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2096 if(strstr(seekAdList[i], " u ")) color = 1;
2097 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2098 !strstr(seekAdList[i], "bullet") &&
2099 !strstr(seekAdList[i], "blitz") &&
2100 !strstr(seekAdList[i], "standard") ) color = 2;
2101 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2102 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2106 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2108 char buf[MSG_SIZ], *ext = "";
2109 VariantClass v = StringToVariant(type);
2110 if(strstr(type, "wild")) {
2111 ext = type + 4; // append wild number
2112 if(v == VariantFischeRandom) type = "chess960"; else
2113 if(v == VariantLoadable) type = "setup"; else
2114 type = VariantName(v);
2116 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2117 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2118 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2119 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2120 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2121 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2122 seekNrList[nrOfSeekAds] = nr;
2123 zList[nrOfSeekAds] = 0;
2124 seekAdList[nrOfSeekAds++] = StrSave(buf);
2125 if(plot) PlotSeekAd(nrOfSeekAds-1);
2132 int x = xList[i], y = yList[i], d=squareSize/4, k;
2133 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2134 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2135 // now replot every dot that overlapped
2136 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2137 int xx = xList[k], yy = yList[k];
2138 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2139 DrawSeekDot(xx, yy, colorList[k]);
2144 RemoveSeekAd(int nr)
2147 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2149 if(seekAdList[i]) free(seekAdList[i]);
2150 seekAdList[i] = seekAdList[--nrOfSeekAds];
2151 seekNrList[i] = seekNrList[nrOfSeekAds];
2152 ratingList[i] = ratingList[nrOfSeekAds];
2153 colorList[i] = colorList[nrOfSeekAds];
2154 tcList[i] = tcList[nrOfSeekAds];
2155 xList[i] = xList[nrOfSeekAds];
2156 yList[i] = yList[nrOfSeekAds];
2157 zList[i] = zList[nrOfSeekAds];
2158 seekAdList[nrOfSeekAds] = NULL;
2164 MatchSoughtLine(char *line)
2166 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2167 int nr, base, inc, u=0; char dummy;
2169 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2170 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2172 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2173 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2174 // match: compact and save the line
2175 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2184 if(!seekGraphUp) return FALSE;
2186 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2187 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2189 DrawSeekBackground(0, 0, w, h);
2190 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2191 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2192 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2193 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2195 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2198 sprintf(buf, "%d", i);
2199 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2202 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2203 for(i=1; i<100; i+=(i<10?1:5)) {
2204 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2205 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2206 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2208 sprintf(buf, "%d", i);
2209 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2212 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2216 int SeekGraphClick(ClickType click, int x, int y, int moving)
2218 static int lastDown = 0, displayed = 0, lastSecond;
2219 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2220 if(click == Release || moving) return FALSE;
2222 soughtPending = TRUE;
2223 SendToICS(ics_prefix);
2224 SendToICS("sought\n"); // should this be "sought all"?
2225 } else { // issue challenge based on clicked ad
2226 int dist = 10000; int i, closest = 0, second = 0;
2227 for(i=0; i<nrOfSeekAds; i++) {
2228 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2229 if(d < dist) { dist = d; closest = i; }
2230 second += (d - zList[i] < 120); // count in-range ads
2231 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2235 second = (second > 1);
2236 if(displayed != closest || second != lastSecond) {
2237 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2238 lastSecond = second; displayed = closest;
2240 if(click == Press) {
2241 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2244 } // on press 'hit', only show info
2245 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2246 sprintf(buf, "play %d\n", seekNrList[closest]);
2247 SendToICS(ics_prefix);
2249 return TRUE; // let incoming board of started game pop down the graph
2250 } else if(click == Release) { // release 'miss' is ignored
2251 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2252 if(moving == 2) { // right up-click
2253 nrOfSeekAds = 0; // refresh graph
2254 soughtPending = TRUE;
2255 SendToICS(ics_prefix);
2256 SendToICS("sought\n"); // should this be "sought all"?
2259 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2260 // press miss or release hit 'pop down' seek graph
2261 seekGraphUp = FALSE;
2262 DrawPosition(TRUE, NULL);
2268 read_from_ics(isr, closure, data, count, error)
2275 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2276 #define STARTED_NONE 0
2277 #define STARTED_MOVES 1
2278 #define STARTED_BOARD 2
2279 #define STARTED_OBSERVE 3
2280 #define STARTED_HOLDINGS 4
2281 #define STARTED_CHATTER 5
2282 #define STARTED_COMMENT 6
2283 #define STARTED_MOVES_NOHIDE 7
2285 static int started = STARTED_NONE;
2286 static char parse[20000];
2287 static int parse_pos = 0;
2288 static char buf[BUF_SIZE + 1];
2289 static int firstTime = TRUE, intfSet = FALSE;
2290 static ColorClass prevColor = ColorNormal;
2291 static int savingComment = FALSE;
2292 static int cmatch = 0; // continuation sequence match
2299 int backup; /* [DM] For zippy color lines */
2301 char talker[MSG_SIZ]; // [HGM] chat
2304 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2306 if (appData.debugMode) {
2308 fprintf(debugFP, "<ICS: ");
2309 show_bytes(debugFP, data, count);
2310 fprintf(debugFP, "\n");
2314 if (appData.debugMode) { int f = forwardMostMove;
2315 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2316 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2317 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2320 /* If last read ended with a partial line that we couldn't parse,
2321 prepend it to the new read and try again. */
2322 if (leftover_len > 0) {
2323 for (i=0; i<leftover_len; i++)
2324 buf[i] = buf[leftover_start + i];
2327 /* copy new characters into the buffer */
2328 bp = buf + leftover_len;
2329 buf_len=leftover_len;
2330 for (i=0; i<count; i++)
2333 if (data[i] == '\r')
2336 // join lines split by ICS?
2337 if (!appData.noJoin)
2340 Joining just consists of finding matches against the
2341 continuation sequence, and discarding that sequence
2342 if found instead of copying it. So, until a match
2343 fails, there's nothing to do since it might be the
2344 complete sequence, and thus, something we don't want
2347 if (data[i] == cont_seq[cmatch])
2350 if (cmatch == strlen(cont_seq))
2352 cmatch = 0; // complete match. just reset the counter
2355 it's possible for the ICS to not include the space
2356 at the end of the last word, making our [correct]
2357 join operation fuse two separate words. the server
2358 does this when the space occurs at the width setting.
2360 if (!buf_len || buf[buf_len-1] != ' ')
2371 match failed, so we have to copy what matched before
2372 falling through and copying this character. In reality,
2373 this will only ever be just the newline character, but
2374 it doesn't hurt to be precise.
2376 strncpy(bp, cont_seq, cmatch);
2388 buf[buf_len] = NULLCHAR;
2389 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2394 while (i < buf_len) {
2395 /* Deal with part of the TELNET option negotiation
2396 protocol. We refuse to do anything beyond the
2397 defaults, except that we allow the WILL ECHO option,
2398 which ICS uses to turn off password echoing when we are
2399 directly connected to it. We reject this option
2400 if localLineEditing mode is on (always on in xboard)
2401 and we are talking to port 23, which might be a real
2402 telnet server that will try to keep WILL ECHO on permanently.
2404 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2405 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2406 unsigned char option;
2408 switch ((unsigned char) buf[++i]) {
2410 if (appData.debugMode)
2411 fprintf(debugFP, "\n<WILL ");
2412 switch (option = (unsigned char) buf[++i]) {
2414 if (appData.debugMode)
2415 fprintf(debugFP, "ECHO ");
2416 /* Reply only if this is a change, according
2417 to the protocol rules. */
2418 if (remoteEchoOption) break;
2419 if (appData.localLineEditing &&
2420 atoi(appData.icsPort) == TN_PORT) {
2421 TelnetRequest(TN_DONT, TN_ECHO);
2424 TelnetRequest(TN_DO, TN_ECHO);
2425 remoteEchoOption = TRUE;
2429 if (appData.debugMode)
2430 fprintf(debugFP, "%d ", option);
2431 /* Whatever this is, we don't want it. */
2432 TelnetRequest(TN_DONT, option);
2437 if (appData.debugMode)
2438 fprintf(debugFP, "\n<WONT ");
2439 switch (option = (unsigned char) buf[++i]) {
2441 if (appData.debugMode)
2442 fprintf(debugFP, "ECHO ");
2443 /* Reply only if this is a change, according
2444 to the protocol rules. */
2445 if (!remoteEchoOption) break;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2448 remoteEchoOption = FALSE;
2451 if (appData.debugMode)
2452 fprintf(debugFP, "%d ", (unsigned char) option);
2453 /* Whatever this is, it must already be turned
2454 off, because we never agree to turn on
2455 anything non-default, so according to the
2456 protocol rules, we don't reply. */
2461 if (appData.debugMode)
2462 fprintf(debugFP, "\n<DO ");
2463 switch (option = (unsigned char) buf[++i]) {
2465 /* Whatever this is, we refuse to do it. */
2466 if (appData.debugMode)
2467 fprintf(debugFP, "%d ", option);
2468 TelnetRequest(TN_WONT, option);
2473 if (appData.debugMode)
2474 fprintf(debugFP, "\n<DONT ");
2475 switch (option = (unsigned char) buf[++i]) {
2477 if (appData.debugMode)
2478 fprintf(debugFP, "%d ", option);
2479 /* Whatever this is, we are already not doing
2480 it, because we never agree to do anything
2481 non-default, so according to the protocol
2482 rules, we don't reply. */
2487 if (appData.debugMode)
2488 fprintf(debugFP, "\n<IAC ");
2489 /* Doubled IAC; pass it through */
2493 if (appData.debugMode)
2494 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2495 /* Drop all other telnet commands on the floor */
2498 if (oldi > next_out)
2499 SendToPlayer(&buf[next_out], oldi - next_out);
2505 /* OK, this at least will *usually* work */
2506 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2510 if (loggedOn && !intfSet) {
2511 if (ics_type == ICS_ICC) {
2513 "/set-quietly interface %s\n/set-quietly style 12\n",
2515 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2516 strcat(str, "/set-2 51 1\n/set seek 1\n");
2517 } else if (ics_type == ICS_CHESSNET) {
2518 sprintf(str, "/style 12\n");
2520 strcpy(str, "alias $ @\n$set interface ");
2521 strcat(str, programVersion);
2522 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2523 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2524 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2526 strcat(str, "$iset nohighlight 1\n");
2528 strcat(str, "$iset lock 1\n$style 12\n");
2531 NotifyFrontendLogin();
2535 if (started == STARTED_COMMENT) {
2536 /* Accumulate characters in comment */
2537 parse[parse_pos++] = buf[i];
2538 if (buf[i] == '\n') {
2539 parse[parse_pos] = NULLCHAR;
2540 if(chattingPartner>=0) {
2542 sprintf(mess, "%s%s", talker, parse);
2543 OutputChatMessage(chattingPartner, mess);
2544 chattingPartner = -1;
2545 next_out = i+1; // [HGM] suppress printing in ICS window
2547 if(!suppressKibitz) // [HGM] kibitz
2548 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2549 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2550 int nrDigit = 0, nrAlph = 0, j;
2551 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2552 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2553 parse[parse_pos] = NULLCHAR;
2554 // try to be smart: if it does not look like search info, it should go to
2555 // ICS interaction window after all, not to engine-output window.
2556 for(j=0; j<parse_pos; j++) { // count letters and digits
2557 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2558 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2559 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2561 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2562 int depth=0; float score;
2563 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2564 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2565 pvInfoList[forwardMostMove-1].depth = depth;
2566 pvInfoList[forwardMostMove-1].score = 100*score;
2568 OutputKibitz(suppressKibitz, parse);
2571 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2572 SendToPlayer(tmp, strlen(tmp));
2574 next_out = i+1; // [HGM] suppress printing in ICS window
2576 started = STARTED_NONE;
2578 /* Don't match patterns against characters in comment */
2583 if (started == STARTED_CHATTER) {
2584 if (buf[i] != '\n') {
2585 /* Don't match patterns against characters in chatter */
2589 started = STARTED_NONE;
2590 if(suppressKibitz) next_out = i+1;
2593 /* Kludge to deal with rcmd protocol */
2594 if (firstTime && looking_at(buf, &i, "\001*")) {
2595 DisplayFatalError(&buf[1], 0, 1);
2601 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2604 if (appData.debugMode)
2605 fprintf(debugFP, "ics_type %d\n", ics_type);
2608 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2609 ics_type = ICS_FICS;
2611 if (appData.debugMode)
2612 fprintf(debugFP, "ics_type %d\n", ics_type);
2615 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2616 ics_type = ICS_CHESSNET;
2618 if (appData.debugMode)
2619 fprintf(debugFP, "ics_type %d\n", ics_type);
2624 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2625 looking_at(buf, &i, "Logging you in as \"*\"") ||
2626 looking_at(buf, &i, "will be \"*\""))) {
2627 strcpy(ics_handle, star_match[0]);
2631 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2633 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2634 DisplayIcsInteractionTitle(buf);
2635 have_set_title = TRUE;
2638 /* skip finger notes */
2639 if (started == STARTED_NONE &&
2640 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2641 (buf[i] == '1' && buf[i+1] == '0')) &&
2642 buf[i+2] == ':' && buf[i+3] == ' ') {
2643 started = STARTED_CHATTER;
2649 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2650 if(appData.seekGraph) {
2651 if(soughtPending && MatchSoughtLine(buf+i)) {
2652 i = strstr(buf+i, "rated") - buf;
2653 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2654 next_out = leftover_start = i;
2655 started = STARTED_CHATTER;
2656 suppressKibitz = TRUE;
2659 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2660 && looking_at(buf, &i, "* ads displayed")) {
2661 soughtPending = FALSE;
2666 if(appData.autoRefresh) {
2667 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2668 int s = (ics_type == ICS_ICC); // ICC format differs
2670 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2671 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2672 looking_at(buf, &i, "*% "); // eat prompt
2673 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2674 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2675 next_out = i; // suppress
2678 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2679 char *p = star_match[0];
2681 if(seekGraphUp) RemoveSeekAd(atoi(p));
2682 while(*p && *p++ != ' '); // next
2684 looking_at(buf, &i, "*% "); // eat prompt
2685 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2692 /* skip formula vars */
2693 if (started == STARTED_NONE &&
2694 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2695 started = STARTED_CHATTER;
2700 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2701 if (appData.autoKibitz && started == STARTED_NONE &&
2702 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2703 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2704 if(looking_at(buf, &i, "* kibitzes: ") &&
2705 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2706 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2707 suppressKibitz = TRUE;
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2710 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2711 && (gameMode == IcsPlayingWhite)) ||
2712 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2713 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2714 started = STARTED_CHATTER; // own kibitz we simply discard
2716 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2717 parse_pos = 0; parse[0] = NULLCHAR;
2718 savingComment = TRUE;
2719 suppressKibitz = gameMode != IcsObserving ? 2 :
2720 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2724 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2725 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2726 && atoi(star_match[0])) {
2727 // suppress the acknowledgements of our own autoKibitz
2729 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2730 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2731 SendToPlayer(star_match[0], strlen(star_match[0]));
2732 if(looking_at(buf, &i, "*% ")) // eat prompt
2733 suppressKibitz = FALSE;
2737 } // [HGM] kibitz: end of patch
2739 // [HGM] chat: intercept tells by users for which we have an open chat window
2741 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2742 looking_at(buf, &i, "* whispers:") ||
2743 looking_at(buf, &i, "* shouts:") ||
2744 looking_at(buf, &i, "* c-shouts:") ||
2745 looking_at(buf, &i, "--> * ") ||
2746 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2747 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2748 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2749 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2751 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2752 chattingPartner = -1;
2754 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2755 for(p=0; p<MAX_CHAT; p++) {
2756 if(channel == atoi(chatPartner[p])) {
2757 talker[0] = '['; strcat(talker, "] ");
2758 chattingPartner = p; break;
2761 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2762 for(p=0; p<MAX_CHAT; p++) {
2763 if(!strcmp("whispers", chatPartner[p])) {
2764 talker[0] = '['; strcat(talker, "] ");
2765 chattingPartner = p; break;
2768 if(buf[i-3] == 't' || buf[oldi+2] == '>') // shout, c-shout or it; look if there is a 'shouts' chatbox
2769 for(p=0; p<MAX_CHAT; p++) {
2770 if(!strcmp("shouts", chatPartner[p])) {
2771 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); }
2772 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); }
2773 else { talker[0] = '['; strcat(talker, "] "); }
2774 chattingPartner = p; break;
2777 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2778 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2780 chattingPartner = p; break;
2782 if(chattingPartner<0) i = oldi; else {
2783 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2784 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2785 started = STARTED_COMMENT;
2786 parse_pos = 0; parse[0] = NULLCHAR;
2787 savingComment = 3 + chattingPartner; // counts as TRUE
2788 suppressKibitz = TRUE;
2791 } // [HGM] chat: end of patch
2793 if (appData.zippyTalk || appData.zippyPlay) {
2794 /* [DM] Backup address for color zippy lines */
2798 if (loggedOn == TRUE)
2799 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2800 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2802 if (ZippyControl(buf, &i) ||
2803 ZippyConverse(buf, &i) ||
2804 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2806 if (!appData.colorize) continue;
2810 } // [DM] 'else { ' deleted
2812 /* Regular tells and says */
2813 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2814 looking_at(buf, &i, "* (your partner) tells you: ") ||
2815 looking_at(buf, &i, "* says: ") ||
2816 /* Don't color "message" or "messages" output */
2817 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2818 looking_at(buf, &i, "*. * at *:*: ") ||
2819 looking_at(buf, &i, "--* (*:*): ") ||
2820 /* Message notifications (same color as tells) */
2821 looking_at(buf, &i, "* has left a message ") ||
2822 looking_at(buf, &i, "* just sent you a message:\n") ||
2823 /* Whispers and kibitzes */
2824 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2825 looking_at(buf, &i, "* kibitzes: ") ||
2827 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2829 if (tkind == 1 && strchr(star_match[0], ':')) {
2830 /* Avoid "tells you:" spoofs in channels */
2833 if (star_match[0][0] == NULLCHAR ||
2834 strchr(star_match[0], ' ') ||
2835 (tkind == 3 && strchr(star_match[1], ' '))) {
2836 /* Reject bogus matches */
2839 if (appData.colorize) {
2840 if (oldi > next_out) {
2841 SendToPlayer(&buf[next_out], oldi - next_out);
2846 Colorize(ColorTell, FALSE);
2847 curColor = ColorTell;
2850 Colorize(ColorKibitz, FALSE);
2851 curColor = ColorKibitz;
2854 p = strrchr(star_match[1], '(');
2861 Colorize(ColorChannel1, FALSE);
2862 curColor = ColorChannel1;
2864 Colorize(ColorChannel, FALSE);
2865 curColor = ColorChannel;
2869 curColor = ColorNormal;
2873 if (started == STARTED_NONE && appData.autoComment &&
2874 (gameMode == IcsObserving ||
2875 gameMode == IcsPlayingWhite ||
2876 gameMode == IcsPlayingBlack)) {
2877 parse_pos = i - oldi;
2878 memcpy(parse, &buf[oldi], parse_pos);
2879 parse[parse_pos] = NULLCHAR;
2880 started = STARTED_COMMENT;
2881 savingComment = TRUE;
2883 started = STARTED_CHATTER;
2884 savingComment = FALSE;
2891 if (looking_at(buf, &i, "* s-shouts: ") ||
2892 looking_at(buf, &i, "* c-shouts: ")) {
2893 if (appData.colorize) {
2894 if (oldi > next_out) {
2895 SendToPlayer(&buf[next_out], oldi - next_out);
2898 Colorize(ColorSShout, FALSE);
2899 curColor = ColorSShout;
2902 started = STARTED_CHATTER;
2906 if (looking_at(buf, &i, "--->")) {
2911 if (looking_at(buf, &i, "* shouts: ") ||
2912 looking_at(buf, &i, "--> ")) {
2913 if (appData.colorize) {
2914 if (oldi > next_out) {
2915 SendToPlayer(&buf[next_out], oldi - next_out);
2918 Colorize(ColorShout, FALSE);
2919 curColor = ColorShout;
2922 started = STARTED_CHATTER;
2926 if (looking_at( buf, &i, "Challenge:")) {
2927 if (appData.colorize) {
2928 if (oldi > next_out) {
2929 SendToPlayer(&buf[next_out], oldi - next_out);
2932 Colorize(ColorChallenge, FALSE);
2933 curColor = ColorChallenge;
2939 if (looking_at(buf, &i, "* offers you") ||
2940 looking_at(buf, &i, "* offers to be") ||
2941 looking_at(buf, &i, "* would like to") ||
2942 looking_at(buf, &i, "* requests to") ||
2943 looking_at(buf, &i, "Your opponent offers") ||
2944 looking_at(buf, &i, "Your opponent requests")) {
2946 if (appData.colorize) {
2947 if (oldi > next_out) {
2948 SendToPlayer(&buf[next_out], oldi - next_out);
2951 Colorize(ColorRequest, FALSE);
2952 curColor = ColorRequest;
2957 if (looking_at(buf, &i, "* (*) seeking")) {
2958 if (appData.colorize) {
2959 if (oldi > next_out) {
2960 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorSeek, FALSE);
2964 curColor = ColorSeek;
2969 if (looking_at(buf, &i, "\\ ")) {
2970 if (prevColor != ColorNormal) {
2971 if (oldi > next_out) {
2972 SendToPlayer(&buf[next_out], oldi - next_out);
2975 Colorize(prevColor, TRUE);
2976 curColor = prevColor;
2978 if (savingComment) {
2979 parse_pos = i - oldi;
2980 memcpy(parse, &buf[oldi], parse_pos);
2981 parse[parse_pos] = NULLCHAR;
2982 started = STARTED_COMMENT;
2983 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2984 chattingPartner = savingComment - 3; // kludge to remember the box
2986 started = STARTED_CHATTER;
2991 if (looking_at(buf, &i, "Black Strength :") ||
2992 looking_at(buf, &i, "<<< style 10 board >>>") ||
2993 looking_at(buf, &i, "<10>") ||
2994 looking_at(buf, &i, "#@#")) {
2995 /* Wrong board style */
2997 SendToICS(ics_prefix);
2998 SendToICS("set style 12\n");
2999 SendToICS(ics_prefix);
3000 SendToICS("refresh\n");
3004 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3006 have_sent_ICS_logon = 1;
3010 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3011 (looking_at(buf, &i, "\n<12> ") ||
3012 looking_at(buf, &i, "<12> "))) {
3014 if (oldi > next_out) {
3015 SendToPlayer(&buf[next_out], oldi - next_out);
3018 started = STARTED_BOARD;
3023 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3024 looking_at(buf, &i, "<b1> ")) {
3025 if (oldi > next_out) {
3026 SendToPlayer(&buf[next_out], oldi - next_out);
3029 started = STARTED_HOLDINGS;
3034 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3036 /* Header for a move list -- first line */
3038 switch (ics_getting_history) {
3042 case BeginningOfGame:
3043 /* User typed "moves" or "oldmoves" while we
3044 were idle. Pretend we asked for these
3045 moves and soak them up so user can step
3046 through them and/or save them.
3049 gameMode = IcsObserving;
3052 ics_getting_history = H_GOT_UNREQ_HEADER;
3054 case EditGame: /*?*/
3055 case EditPosition: /*?*/
3056 /* Should above feature work in these modes too? */
3057 /* For now it doesn't */
3058 ics_getting_history = H_GOT_UNWANTED_HEADER;
3061 ics_getting_history = H_GOT_UNWANTED_HEADER;
3066 /* Is this the right one? */
3067 if (gameInfo.white && gameInfo.black &&
3068 strcmp(gameInfo.white, star_match[0]) == 0 &&
3069 strcmp(gameInfo.black, star_match[2]) == 0) {
3071 ics_getting_history = H_GOT_REQ_HEADER;
3074 case H_GOT_REQ_HEADER:
3075 case H_GOT_UNREQ_HEADER:
3076 case H_GOT_UNWANTED_HEADER:
3077 case H_GETTING_MOVES:
3078 /* Should not happen */
3079 DisplayError(_("Error gathering move list: two headers"), 0);
3080 ics_getting_history = H_FALSE;
3084 /* Save player ratings into gameInfo if needed */
3085 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3086 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3087 (gameInfo.whiteRating == -1 ||
3088 gameInfo.blackRating == -1)) {
3090 gameInfo.whiteRating = string_to_rating(star_match[1]);
3091 gameInfo.blackRating = string_to_rating(star_match[3]);
3092 if (appData.debugMode)
3093 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3094 gameInfo.whiteRating, gameInfo.blackRating);
3099 if (looking_at(buf, &i,
3100 "* * match, initial time: * minute*, increment: * second")) {
3101 /* Header for a move list -- second line */
3102 /* Initial board will follow if this is a wild game */
3103 if (gameInfo.event != NULL) free(gameInfo.event);
3104 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3105 gameInfo.event = StrSave(str);
3106 /* [HGM] we switched variant. Translate boards if needed. */
3107 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3111 if (looking_at(buf, &i, "Move ")) {
3112 /* Beginning of a move list */
3113 switch (ics_getting_history) {
3115 /* Normally should not happen */
3116 /* Maybe user hit reset while we were parsing */
3119 /* Happens if we are ignoring a move list that is not
3120 * the one we just requested. Common if the user
3121 * tries to observe two games without turning off
3124 case H_GETTING_MOVES:
3125 /* Should not happen */
3126 DisplayError(_("Error gathering move list: nested"), 0);
3127 ics_getting_history = H_FALSE;
3129 case H_GOT_REQ_HEADER:
3130 ics_getting_history = H_GETTING_MOVES;
3131 started = STARTED_MOVES;
3133 if (oldi > next_out) {
3134 SendToPlayer(&buf[next_out], oldi - next_out);
3137 case H_GOT_UNREQ_HEADER:
3138 ics_getting_history = H_GETTING_MOVES;
3139 started = STARTED_MOVES_NOHIDE;
3142 case H_GOT_UNWANTED_HEADER:
3143 ics_getting_history = H_FALSE;
3149 if (looking_at(buf, &i, "% ") ||
3150 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3151 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3152 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3153 soughtPending = FALSE;
3157 if(suppressKibitz) next_out = i;
3158 savingComment = FALSE;
3162 case STARTED_MOVES_NOHIDE:
3163 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3164 parse[parse_pos + i - oldi] = NULLCHAR;
3165 ParseGameHistory(parse);
3167 if (appData.zippyPlay && first.initDone) {
3168 FeedMovesToProgram(&first, forwardMostMove);
3169 if (gameMode == IcsPlayingWhite) {
3170 if (WhiteOnMove(forwardMostMove)) {
3171 if (first.sendTime) {
3172 if (first.useColors) {
3173 SendToProgram("black\n", &first);
3175 SendTimeRemaining(&first, TRUE);
3177 if (first.useColors) {
3178 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3180 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3181 first.maybeThinking = TRUE;
3183 if (first.usePlayother) {
3184 if (first.sendTime) {
3185 SendTimeRemaining(&first, TRUE);
3187 SendToProgram("playother\n", &first);
3193 } else if (gameMode == IcsPlayingBlack) {
3194 if (!WhiteOnMove(forwardMostMove)) {
3195 if (first.sendTime) {
3196 if (first.useColors) {
3197 SendToProgram("white\n", &first);
3199 SendTimeRemaining(&first, FALSE);
3201 if (first.useColors) {
3202 SendToProgram("black\n", &first);
3204 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3205 first.maybeThinking = TRUE;
3207 if (first.usePlayother) {
3208 if (first.sendTime) {
3209 SendTimeRemaining(&first, FALSE);
3211 SendToProgram("playother\n", &first);
3220 if (gameMode == IcsObserving && ics_gamenum == -1) {
3221 /* Moves came from oldmoves or moves command
3222 while we weren't doing anything else.
3224 currentMove = forwardMostMove;
3225 ClearHighlights();/*!!could figure this out*/
3226 flipView = appData.flipView;
3227 DrawPosition(TRUE, boards[currentMove]);
3228 DisplayBothClocks();
3229 sprintf(str, "%s vs. %s",
3230 gameInfo.white, gameInfo.black);
3234 /* Moves were history of an active game */
3235 if (gameInfo.resultDetails != NULL) {
3236 free(gameInfo.resultDetails);
3237 gameInfo.resultDetails = NULL;
3240 HistorySet(parseList, backwardMostMove,
3241 forwardMostMove, currentMove-1);
3242 DisplayMove(currentMove - 1);
3243 if (started == STARTED_MOVES) next_out = i;
3244 started = STARTED_NONE;
3245 ics_getting_history = H_FALSE;
3248 case STARTED_OBSERVE:
3249 started = STARTED_NONE;
3250 SendToICS(ics_prefix);
3251 SendToICS("refresh\n");
3257 if(bookHit) { // [HGM] book: simulate book reply
3258 static char bookMove[MSG_SIZ]; // a bit generous?
3260 programStats.nodes = programStats.depth = programStats.time =
3261 programStats.score = programStats.got_only_move = 0;
3262 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3264 strcpy(bookMove, "move ");
3265 strcat(bookMove, bookHit);
3266 HandleMachineMove(bookMove, &first);
3271 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3272 started == STARTED_HOLDINGS ||
3273 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3274 /* Accumulate characters in move list or board */
3275 parse[parse_pos++] = buf[i];
3278 /* Start of game messages. Mostly we detect start of game
3279 when the first board image arrives. On some versions
3280 of the ICS, though, we need to do a "refresh" after starting
3281 to observe in order to get the current board right away. */
3282 if (looking_at(buf, &i, "Adding game * to observation list")) {
3283 started = STARTED_OBSERVE;
3287 /* Handle auto-observe */
3288 if (appData.autoObserve &&
3289 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3290 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3292 /* Choose the player that was highlighted, if any. */
3293 if (star_match[0][0] == '\033' ||
3294 star_match[1][0] != '\033') {
3295 player = star_match[0];
3297 player = star_match[2];
3299 sprintf(str, "%sobserve %s\n",
3300 ics_prefix, StripHighlightAndTitle(player));
3303 /* Save ratings from notify string */
3304 strcpy(player1Name, star_match[0]);
3305 player1Rating = string_to_rating(star_match[1]);
3306 strcpy(player2Name, star_match[2]);
3307 player2Rating = string_to_rating(star_match[3]);
3309 if (appData.debugMode)
3311 "Ratings from 'Game notification:' %s %d, %s %d\n",
3312 player1Name, player1Rating,
3313 player2Name, player2Rating);
3318 /* Deal with automatic examine mode after a game,
3319 and with IcsObserving -> IcsExamining transition */
3320 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3321 looking_at(buf, &i, "has made you an examiner of game *")) {
3323 int gamenum = atoi(star_match[0]);
3324 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3325 gamenum == ics_gamenum) {
3326 /* We were already playing or observing this game;
3327 no need to refetch history */
3328 gameMode = IcsExamining;
3330 pauseExamForwardMostMove = forwardMostMove;
3331 } else if (currentMove < forwardMostMove) {
3332 ForwardInner(forwardMostMove);
3335 /* I don't think this case really can happen */
3336 SendToICS(ics_prefix);
3337 SendToICS("refresh\n");
3342 /* Error messages */
3343 // if (ics_user_moved) {
3344 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3345 if (looking_at(buf, &i, "Illegal move") ||
3346 looking_at(buf, &i, "Not a legal move") ||
3347 looking_at(buf, &i, "Your king is in check") ||
3348 looking_at(buf, &i, "It isn't your turn") ||
3349 looking_at(buf, &i, "It is not your move")) {
3351 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3352 currentMove = forwardMostMove-1;
3353 DisplayMove(currentMove - 1); /* before DMError */
3354 DrawPosition(FALSE, boards[currentMove]);
3355 SwitchClocks(forwardMostMove-1); // [HGM] race
3356 DisplayBothClocks();
3358 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3364 if (looking_at(buf, &i, "still have time") ||
3365 looking_at(buf, &i, "not out of time") ||
3366 looking_at(buf, &i, "either player is out of time") ||
3367 looking_at(buf, &i, "has timeseal; checking")) {
3368 /* We must have called his flag a little too soon */
3369 whiteFlag = blackFlag = FALSE;
3373 if (looking_at(buf, &i, "added * seconds to") ||
3374 looking_at(buf, &i, "seconds were added to")) {
3375 /* Update the clocks */
3376 SendToICS(ics_prefix);
3377 SendToICS("refresh\n");
3381 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3382 ics_clock_paused = TRUE;
3387 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3388 ics_clock_paused = FALSE;
3393 /* Grab player ratings from the Creating: message.
3394 Note we have to check for the special case when
3395 the ICS inserts things like [white] or [black]. */
3396 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3397 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3399 0 player 1 name (not necessarily white)
3401 2 empty, white, or black (IGNORED)
3402 3 player 2 name (not necessarily black)
3405 The names/ratings are sorted out when the game
3406 actually starts (below).
3408 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3409 player1Rating = string_to_rating(star_match[1]);
3410 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3411 player2Rating = string_to_rating(star_match[4]);
3413 if (appData.debugMode)
3415 "Ratings from 'Creating:' %s %d, %s %d\n",
3416 player1Name, player1Rating,
3417 player2Name, player2Rating);
3422 /* Improved generic start/end-of-game messages */
3423 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3424 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3425 /* If tkind == 0: */
3426 /* star_match[0] is the game number */
3427 /* [1] is the white player's name */
3428 /* [2] is the black player's name */
3429 /* For end-of-game: */
3430 /* [3] is the reason for the game end */
3431 /* [4] is a PGN end game-token, preceded by " " */
3432 /* For start-of-game: */
3433 /* [3] begins with "Creating" or "Continuing" */
3434 /* [4] is " *" or empty (don't care). */
3435 int gamenum = atoi(star_match[0]);
3436 char *whitename, *blackname, *why, *endtoken;
3437 ChessMove endtype = (ChessMove) 0;
3440 whitename = star_match[1];
3441 blackname = star_match[2];
3442 why = star_match[3];
3443 endtoken = star_match[4];
3445 whitename = star_match[1];
3446 blackname = star_match[3];
3447 why = star_match[5];
3448 endtoken = star_match[6];
3451 /* Game start messages */
3452 if (strncmp(why, "Creating ", 9) == 0 ||
3453 strncmp(why, "Continuing ", 11) == 0) {
3454 gs_gamenum = gamenum;
3455 strcpy(gs_kind, strchr(why, ' ') + 1);
3456 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3458 if (appData.zippyPlay) {
3459 ZippyGameStart(whitename, blackname);
3465 /* Game end messages */
3466 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3467 ics_gamenum != gamenum) {
3470 while (endtoken[0] == ' ') endtoken++;
3471 switch (endtoken[0]) {
3474 endtype = GameUnfinished;
3477 endtype = BlackWins;
3480 if (endtoken[1] == '/')
3481 endtype = GameIsDrawn;
3483 endtype = WhiteWins;
3486 GameEnds(endtype, why, GE_ICS);
3488 if (appData.zippyPlay && first.initDone) {
3489 ZippyGameEnd(endtype, why);
3490 if (first.pr == NULL) {
3491 /* Start the next process early so that we'll
3492 be ready for the next challenge */
3493 StartChessProgram(&first);
3495 /* Send "new" early, in case this command takes
3496 a long time to finish, so that we'll be ready
3497 for the next challenge. */
3498 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3505 if (looking_at(buf, &i, "Removing game * from observation") ||
3506 looking_at(buf, &i, "no longer observing game *") ||
3507 looking_at(buf, &i, "Game * (*) has no examiners")) {
3508 if (gameMode == IcsObserving &&
3509 atoi(star_match[0]) == ics_gamenum)
3511 /* icsEngineAnalyze */
3512 if (appData.icsEngineAnalyze) {
3519 ics_user_moved = FALSE;
3524 if (looking_at(buf, &i, "no longer examining game *")) {
3525 if (gameMode == IcsExamining &&
3526 atoi(star_match[0]) == ics_gamenum)
3530 ics_user_moved = FALSE;
3535 /* Advance leftover_start past any newlines we find,
3536 so only partial lines can get reparsed */
3537 if (looking_at(buf, &i, "\n")) {
3538 prevColor = curColor;
3539 if (curColor != ColorNormal) {
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 Colorize(ColorNormal, FALSE);
3545 curColor = ColorNormal;
3547 if (started == STARTED_BOARD) {
3548 started = STARTED_NONE;
3549 parse[parse_pos] = NULLCHAR;
3550 ParseBoard12(parse);
3553 /* Send premove here */
3554 if (appData.premove) {
3556 if (currentMove == 0 &&
3557 gameMode == IcsPlayingWhite &&
3558 appData.premoveWhite) {
3559 sprintf(str, "%s\n", appData.premoveWhiteText);
3560 if (appData.debugMode)
3561 fprintf(debugFP, "Sending premove:\n");
3563 } else if (currentMove == 1 &&
3564 gameMode == IcsPlayingBlack &&
3565 appData.premoveBlack) {
3566 sprintf(str, "%s\n", appData.premoveBlackText);
3567 if (appData.debugMode)
3568 fprintf(debugFP, "Sending premove:\n");
3570 } else if (gotPremove) {
3572 ClearPremoveHighlights();
3573 if (appData.debugMode)
3574 fprintf(debugFP, "Sending premove:\n");
3575 UserMoveEvent(premoveFromX, premoveFromY,
3576 premoveToX, premoveToY,
3581 /* Usually suppress following prompt */
3582 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3583 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3584 if (looking_at(buf, &i, "*% ")) {
3585 savingComment = FALSE;
3590 } else if (started == STARTED_HOLDINGS) {
3592 char new_piece[MSG_SIZ];
3593 started = STARTED_NONE;
3594 parse[parse_pos] = NULLCHAR;
3595 if (appData.debugMode)
3596 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3597 parse, currentMove);
3598 if (sscanf(parse, " game %d", &gamenum) == 1) {
3599 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3600 if (gameInfo.variant == VariantNormal) {
3601 /* [HGM] We seem to switch variant during a game!
3602 * Presumably no holdings were displayed, so we have
3603 * to move the position two files to the right to
3604 * create room for them!
3606 VariantClass newVariant;
3607 switch(gameInfo.boardWidth) { // base guess on board width
3608 case 9: newVariant = VariantShogi; break;
3609 case 10: newVariant = VariantGreat; break;
3610 default: newVariant = VariantCrazyhouse; break;
3612 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3613 /* Get a move list just to see the header, which
3614 will tell us whether this is really bug or zh */
3615 if (ics_getting_history == H_FALSE) {
3616 ics_getting_history = H_REQUESTED;
3617 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3621 new_piece[0] = NULLCHAR;
3622 sscanf(parse, "game %d white [%s black [%s <- %s",
3623 &gamenum, white_holding, black_holding,
3625 white_holding[strlen(white_holding)-1] = NULLCHAR;
3626 black_holding[strlen(black_holding)-1] = NULLCHAR;
3627 /* [HGM] copy holdings to board holdings area */
3628 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3629 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3630 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3632 if (appData.zippyPlay && first.initDone) {
3633 ZippyHoldings(white_holding, black_holding,
3637 if (tinyLayout || smallLayout) {
3638 char wh[16], bh[16];
3639 PackHolding(wh, white_holding);
3640 PackHolding(bh, black_holding);
3641 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3642 gameInfo.white, gameInfo.black);
3644 sprintf(str, "%s [%s] vs. %s [%s]",
3645 gameInfo.white, white_holding,
3646 gameInfo.black, black_holding);
3649 DrawPosition(FALSE, boards[currentMove]);
3651 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3652 sscanf(parse, "game %d white [%s black [%s <- %s",
3653 &gamenum, white_holding, black_holding,
3655 white_holding[strlen(white_holding)-1] = NULLCHAR;
3656 black_holding[strlen(black_holding)-1] = NULLCHAR;
3657 /* [HGM] copy holdings to partner-board holdings area */
3658 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3659 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3660 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3663 /* Suppress following prompt */
3664 if (looking_at(buf, &i, "*% ")) {
3665 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3666 savingComment = FALSE;
3674 i++; /* skip unparsed character and loop back */
3677 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3678 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3679 // SendToPlayer(&buf[next_out], i - next_out);
3680 started != STARTED_HOLDINGS && leftover_start > next_out) {
3681 SendToPlayer(&buf[next_out], leftover_start - next_out);
3685 leftover_len = buf_len - leftover_start;
3686 /* if buffer ends with something we couldn't parse,
3687 reparse it after appending the next read */
3689 } else if (count == 0) {
3690 RemoveInputSource(isr);
3691 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3693 DisplayFatalError(_("Error reading from ICS"), error, 1);
3698 /* Board style 12 looks like this:
3700 <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
3702 * The "<12> " is stripped before it gets to this routine. The two
3703 * trailing 0's (flip state and clock ticking) are later addition, and
3704 * some chess servers may not have them, or may have only the first.
3705 * Additional trailing fields may be added in the future.
3708 #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"
3710 #define RELATION_OBSERVING_PLAYED 0
3711 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3712 #define RELATION_PLAYING_MYMOVE 1
3713 #define RELATION_PLAYING_NOTMYMOVE -1
3714 #define RELATION_EXAMINING 2
3715 #define RELATION_ISOLATED_BOARD -3
3716 #define RELATION_STARTING_POSITION -4 /* FICS only */
3719 ParseBoard12(string)
3722 GameMode newGameMode;
3723 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3724 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3725 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3726 char to_play, board_chars[200];
3727 char move_str[500], str[500], elapsed_time[500];
3728 char black[32], white[32];
3730 int prevMove = currentMove;
3733 int fromX, fromY, toX, toY;
3735 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3736 char *bookHit = NULL; // [HGM] book
3737 Boolean weird = FALSE, reqFlag = FALSE;
3739 fromX = fromY = toX = toY = -1;
3743 if (appData.debugMode)
3744 fprintf(debugFP, _("Parsing board: %s\n"), string);
3746 move_str[0] = NULLCHAR;
3747 elapsed_time[0] = NULLCHAR;
3748 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3750 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3751 if(string[i] == ' ') { ranks++; files = 0; }
3753 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3756 for(j = 0; j <i; j++) board_chars[j] = string[j];
3757 board_chars[i] = '\0';
3760 n = sscanf(string, PATTERN, &to_play, &double_push,
3761 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3762 &gamenum, white, black, &relation, &basetime, &increment,
3763 &white_stren, &black_stren, &white_time, &black_time,
3764 &moveNum, str, elapsed_time, move_str, &ics_flip,
3768 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3769 DisplayError(str, 0);
3773 /* Convert the move number to internal form */
3774 moveNum = (moveNum - 1) * 2;
3775 if (to_play == 'B') moveNum++;
3776 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3777 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3783 case RELATION_OBSERVING_PLAYED:
3784 case RELATION_OBSERVING_STATIC:
3785 if (gamenum == -1) {
3786 /* Old ICC buglet */
3787 relation = RELATION_OBSERVING_STATIC;
3789 newGameMode = IcsObserving;
3791 case RELATION_PLAYING_MYMOVE:
3792 case RELATION_PLAYING_NOTMYMOVE:
3794 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3795 IcsPlayingWhite : IcsPlayingBlack;
3797 case RELATION_EXAMINING:
3798 newGameMode = IcsExamining;
3800 case RELATION_ISOLATED_BOARD:
3802 /* Just display this board. If user was doing something else,
3803 we will forget about it until the next board comes. */
3804 newGameMode = IcsIdle;
3806 case RELATION_STARTING_POSITION:
3807 newGameMode = gameMode;
3811 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3812 && newGameMode == IcsObserving && appData.bgObserve) {
3813 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3815 for (k = 0; k < ranks; k++) {
3816 for (j = 0; j < files; j++)
3817 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3818 if(gameInfo.holdingsWidth > 1) {
3819 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3820 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3823 CopyBoard(partnerBoard, board);
3824 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3825 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3826 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3827 DisplayMessage(buf, "");
3831 /* Modify behavior for initial board display on move listing
3834 switch (ics_getting_history) {
3838 case H_GOT_REQ_HEADER:
3839 case H_GOT_UNREQ_HEADER:
3840 /* This is the initial position of the current game */
3841 gamenum = ics_gamenum;
3842 moveNum = 0; /* old ICS bug workaround */
3843 if (to_play == 'B') {
3844 startedFromSetupPosition = TRUE;
3845 blackPlaysFirst = TRUE;
3847 if (forwardMostMove == 0) forwardMostMove = 1;
3848 if (backwardMostMove == 0) backwardMostMove = 1;
3849 if (currentMove == 0) currentMove = 1;
3851 newGameMode = gameMode;
3852 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3854 case H_GOT_UNWANTED_HEADER:
3855 /* This is an initial board that we don't want */
3857 case H_GETTING_MOVES:
3858 /* Should not happen */
3859 DisplayError(_("Error gathering move list: extra board"), 0);
3860 ics_getting_history = H_FALSE;
3864 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3865 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3866 /* [HGM] We seem to have switched variant unexpectedly
3867 * Try to guess new variant from board size
3869 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3870 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3871 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3872 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3873 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3874 if(!weird) newVariant = VariantNormal;
3875 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3876 /* Get a move list just to see the header, which
3877 will tell us whether this is really bug or zh */
3878 if (ics_getting_history == H_FALSE) {
3879 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3880 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3885 /* Take action if this is the first board of a new game, or of a
3886 different game than is currently being displayed. */
3887 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3888 relation == RELATION_ISOLATED_BOARD) {
3890 /* Forget the old game and get the history (if any) of the new one */
3891 if (gameMode != BeginningOfGame) {
3895 if (appData.autoRaiseBoard) BoardToTop();
3897 if (gamenum == -1) {
3898 newGameMode = IcsIdle;
3899 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3900 appData.getMoveList && !reqFlag) {
3901 /* Need to get game history */
3902 ics_getting_history = H_REQUESTED;
3903 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3907 /* Initially flip the board to have black on the bottom if playing
3908 black or if the ICS flip flag is set, but let the user change
3909 it with the Flip View button. */
3910 flipView = appData.autoFlipView ?
3911 (newGameMode == IcsPlayingBlack) || ics_flip :
3914 /* Done with values from previous mode; copy in new ones */
3915 gameMode = newGameMode;
3917 ics_gamenum = gamenum;
3918 if (gamenum == gs_gamenum) {
3919 int klen = strlen(gs_kind);
3920 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3921 sprintf(str, "ICS %s", gs_kind);
3922 gameInfo.event = StrSave(str);
3924 gameInfo.event = StrSave("ICS game");
3926 gameInfo.site = StrSave(appData.icsHost);
3927 gameInfo.date = PGNDate();
3928 gameInfo.round = StrSave("-");
3929 gameInfo.white = StrSave(white);
3930 gameInfo.black = StrSave(black);
3931 timeControl = basetime * 60 * 1000;
3933 timeIncrement = increment * 1000;
3934 movesPerSession = 0;
3935 gameInfo.timeControl = TimeControlTagValue();
3936 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3937 if (appData.debugMode) {
3938 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3939 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3940 setbuf(debugFP, NULL);
3943 gameInfo.outOfBook = NULL;
3945 /* Do we have the ratings? */
3946 if (strcmp(player1Name, white) == 0 &&
3947 strcmp(player2Name, black) == 0) {
3948 if (appData.debugMode)
3949 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3950 player1Rating, player2Rating);
3951 gameInfo.whiteRating = player1Rating;
3952 gameInfo.blackRating = player2Rating;
3953 } else if (strcmp(player2Name, white) == 0 &&
3954 strcmp(player1Name, black) == 0) {
3955 if (appData.debugMode)
3956 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3957 player2Rating, player1Rating);
3958 gameInfo.whiteRating = player2Rating;
3959 gameInfo.blackRating = player1Rating;
3961 player1Name[0] = player2Name[0] = NULLCHAR;
3963 /* Silence shouts if requested */
3964 if (appData.quietPlay &&
3965 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3966 SendToICS(ics_prefix);
3967 SendToICS("set shout 0\n");
3971 /* Deal with midgame name changes */
3973 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3974 if (gameInfo.white) free(gameInfo.white);
3975 gameInfo.white = StrSave(white);
3977 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3978 if (gameInfo.black) free(gameInfo.black);
3979 gameInfo.black = StrSave(black);
3983 /* Throw away game result if anything actually changes in examine mode */
3984 if (gameMode == IcsExamining && !newGame) {
3985 gameInfo.result = GameUnfinished;
3986 if (gameInfo.resultDetails != NULL) {
3987 free(gameInfo.resultDetails);
3988 gameInfo.resultDetails = NULL;
3992 /* In pausing && IcsExamining mode, we ignore boards coming
3993 in if they are in a different variation than we are. */
3994 if (pauseExamInvalid) return;
3995 if (pausing && gameMode == IcsExamining) {
3996 if (moveNum <= pauseExamForwardMostMove) {
3997 pauseExamInvalid = TRUE;
3998 forwardMostMove = pauseExamForwardMostMove;
4003 if (appData.debugMode) {
4004 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4006 /* Parse the board */
4007 for (k = 0; k < ranks; k++) {
4008 for (j = 0; j < files; j++)
4009 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4010 if(gameInfo.holdingsWidth > 1) {
4011 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4012 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4015 CopyBoard(boards[moveNum], board);
4016 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4018 startedFromSetupPosition =
4019 !CompareBoards(board, initialPosition);
4020 if(startedFromSetupPosition)
4021 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4024 /* [HGM] Set castling rights. Take the outermost Rooks,
4025 to make it also work for FRC opening positions. Note that board12
4026 is really defective for later FRC positions, as it has no way to
4027 indicate which Rook can castle if they are on the same side of King.
4028 For the initial position we grant rights to the outermost Rooks,
4029 and remember thos rights, and we then copy them on positions
4030 later in an FRC game. This means WB might not recognize castlings with
4031 Rooks that have moved back to their original position as illegal,
4032 but in ICS mode that is not its job anyway.
4034 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4035 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4037 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4038 if(board[0][i] == WhiteRook) j = i;
4039 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4040 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4041 if(board[0][i] == WhiteRook) j = i;
4042 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4043 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4044 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4045 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4046 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4047 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4048 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4050 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4051 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4052 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4053 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4054 if(board[BOARD_HEIGHT-1][k] == bKing)
4055 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4056 if(gameInfo.variant == VariantTwoKings) {
4057 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4058 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4059 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4062 r = boards[moveNum][CASTLING][0] = initialRights[0];
4063 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4064 r = boards[moveNum][CASTLING][1] = initialRights[1];
4065 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4066 r = boards[moveNum][CASTLING][3] = initialRights[3];
4067 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4068 r = boards[moveNum][CASTLING][4] = initialRights[4];
4069 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4070 /* wildcastle kludge: always assume King has rights */
4071 r = boards[moveNum][CASTLING][2] = initialRights[2];
4072 r = boards[moveNum][CASTLING][5] = initialRights[5];
4074 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4075 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4078 if (ics_getting_history == H_GOT_REQ_HEADER ||
4079 ics_getting_history == H_GOT_UNREQ_HEADER) {
4080 /* This was an initial position from a move list, not
4081 the current position */
4085 /* Update currentMove and known move number limits */
4086 newMove = newGame || moveNum > forwardMostMove;
4089 forwardMostMove = backwardMostMove = currentMove = moveNum;
4090 if (gameMode == IcsExamining && moveNum == 0) {
4091 /* Workaround for ICS limitation: we are not told the wild
4092 type when starting to examine a game. But if we ask for
4093 the move list, the move list header will tell us */
4094 ics_getting_history = H_REQUESTED;
4095 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4098 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4099 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4101 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4102 /* [HGM] applied this also to an engine that is silently watching */
4103 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4104 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4105 gameInfo.variant == currentlyInitializedVariant) {
4106 takeback = forwardMostMove - moveNum;
4107 for (i = 0; i < takeback; i++) {
4108 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4109 SendToProgram("undo\n", &first);
4114 forwardMostMove = moveNum;
4115 if (!pausing || currentMove > forwardMostMove)
4116 currentMove = forwardMostMove;
4118 /* New part of history that is not contiguous with old part */
4119 if (pausing && gameMode == IcsExamining) {
4120 pauseExamInvalid = TRUE;
4121 forwardMostMove = pauseExamForwardMostMove;
4124 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4126 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4127 // [HGM] when we will receive the move list we now request, it will be
4128 // fed to the engine from the first move on. So if the engine is not
4129 // in the initial position now, bring it there.
4130 InitChessProgram(&first, 0);
4133 ics_getting_history = H_REQUESTED;
4134 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4137 forwardMostMove = backwardMostMove = currentMove = moveNum;
4140 /* Update the clocks */
4141 if (strchr(elapsed_time, '.')) {
4143 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4144 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4146 /* Time is in seconds */
4147 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4148 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4153 if (appData.zippyPlay && newGame &&
4154 gameMode != IcsObserving && gameMode != IcsIdle &&
4155 gameMode != IcsExamining)
4156 ZippyFirstBoard(moveNum, basetime, increment);
4159 /* Put the move on the move list, first converting
4160 to canonical algebraic form. */
4162 if (appData.debugMode) {
4163 if (appData.debugMode) { int f = forwardMostMove;
4164 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4165 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4166 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4168 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4169 fprintf(debugFP, "moveNum = %d\n", moveNum);
4170 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4171 setbuf(debugFP, NULL);
4173 if (moveNum <= backwardMostMove) {
4174 /* We don't know what the board looked like before
4176 strcpy(parseList[moveNum - 1], move_str);
4177 strcat(parseList[moveNum - 1], " ");
4178 strcat(parseList[moveNum - 1], elapsed_time);
4179 moveList[moveNum - 1][0] = NULLCHAR;
4180 } else if (strcmp(move_str, "none") == 0) {
4181 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4182 /* Again, we don't know what the board looked like;
4183 this is really the start of the game. */
4184 parseList[moveNum - 1][0] = NULLCHAR;
4185 moveList[moveNum - 1][0] = NULLCHAR;
4186 backwardMostMove = moveNum;
4187 startedFromSetupPosition = TRUE;
4188 fromX = fromY = toX = toY = -1;
4190 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4191 // So we parse the long-algebraic move string in stead of the SAN move
4192 int valid; char buf[MSG_SIZ], *prom;
4194 // str looks something like "Q/a1-a2"; kill the slash
4196 sprintf(buf, "%c%s", str[0], str+2);
4197 else strcpy(buf, str); // might be castling
4198 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4199 strcat(buf, prom); // long move lacks promo specification!
4200 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4201 if(appData.debugMode)
4202 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4203 strcpy(move_str, buf);
4205 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4206 &fromX, &fromY, &toX, &toY, &promoChar)
4207 || ParseOneMove(buf, moveNum - 1, &moveType,
4208 &fromX, &fromY, &toX, &toY, &promoChar);
4209 // end of long SAN patch
4211 (void) CoordsToAlgebraic(boards[moveNum - 1],
4212 PosFlags(moveNum - 1),
4213 fromY, fromX, toY, toX, promoChar,
4214 parseList[moveNum-1]);
4215 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4221 if(gameInfo.variant != VariantShogi)
4222 strcat(parseList[moveNum - 1], "+");
4225 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4226 strcat(parseList[moveNum - 1], "#");
4229 strcat(parseList[moveNum - 1], " ");
4230 strcat(parseList[moveNum - 1], elapsed_time);
4231 /* currentMoveString is set as a side-effect of ParseOneMove */
4232 strcpy(moveList[moveNum - 1], currentMoveString);
4233 strcat(moveList[moveNum - 1], "\n");
4235 /* Move from ICS was illegal!? Punt. */
4236 if (appData.debugMode) {
4237 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4238 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4240 strcpy(parseList[moveNum - 1], move_str);
4241 strcat(parseList[moveNum - 1], " ");
4242 strcat(parseList[moveNum - 1], elapsed_time);
4243 moveList[moveNum - 1][0] = NULLCHAR;
4244 fromX = fromY = toX = toY = -1;
4247 if (appData.debugMode) {
4248 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4249 setbuf(debugFP, NULL);
4253 /* Send move to chess program (BEFORE animating it). */
4254 if (appData.zippyPlay && !newGame && newMove &&
4255 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4257 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4258 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4259 if (moveList[moveNum - 1][0] == NULLCHAR) {
4260 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4262 DisplayError(str, 0);
4264 if (first.sendTime) {
4265 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4267 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4268 if (firstMove && !bookHit) {
4270 if (first.useColors) {
4271 SendToProgram(gameMode == IcsPlayingWhite ?
4273 "black\ngo\n", &first);
4275 SendToProgram("go\n", &first);
4277 first.maybeThinking = TRUE;
4280 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4281 if (moveList[moveNum - 1][0] == NULLCHAR) {
4282 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4283 DisplayError(str, 0);
4285 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4286 SendMoveToProgram(moveNum - 1, &first);
4293 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4294 /* If move comes from a remote source, animate it. If it
4295 isn't remote, it will have already been animated. */
4296 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4297 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4299 if (!pausing && appData.highlightLastMove) {
4300 SetHighlights(fromX, fromY, toX, toY);
4304 /* Start the clocks */
4305 whiteFlag = blackFlag = FALSE;
4306 appData.clockMode = !(basetime == 0 && increment == 0);
4308 ics_clock_paused = TRUE;
4310 } else if (ticking == 1) {
4311 ics_clock_paused = FALSE;
4313 if (gameMode == IcsIdle ||
4314 relation == RELATION_OBSERVING_STATIC ||
4315 relation == RELATION_EXAMINING ||
4317 DisplayBothClocks();
4321 /* Display opponents and material strengths */
4322 if (gameInfo.variant != VariantBughouse &&
4323 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4324 if (tinyLayout || smallLayout) {
4325 if(gameInfo.variant == VariantNormal)
4326 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4327 gameInfo.white, white_stren, gameInfo.black, black_stren,
4328 basetime, increment);
4330 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4331 gameInfo.white, white_stren, gameInfo.black, black_stren,
4332 basetime, increment, (int) gameInfo.variant);
4334 if(gameInfo.variant == VariantNormal)
4335 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4336 gameInfo.white, white_stren, gameInfo.black, black_stren,
4337 basetime, increment);
4339 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4340 gameInfo.white, white_stren, gameInfo.black, black_stren,
4341 basetime, increment, VariantName(gameInfo.variant));
4344 if (appData.debugMode) {
4345 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4350 /* Display the board */
4351 if (!pausing && !appData.noGUI) {
4353 if (appData.premove)
4355 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4356 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4357 ClearPremoveHighlights();
4359 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4360 DrawPosition(j, boards[currentMove]);
4362 DisplayMove(moveNum - 1);
4363 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4364 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4365 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4366 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4370 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4372 if(bookHit) { // [HGM] book: simulate book reply
4373 static char bookMove[MSG_SIZ]; // a bit generous?
4375 programStats.nodes = programStats.depth = programStats.time =
4376 programStats.score = programStats.got_only_move = 0;
4377 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4379 strcpy(bookMove, "move ");
4380 strcat(bookMove, bookHit);
4381 HandleMachineMove(bookMove, &first);
4390 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4391 ics_getting_history = H_REQUESTED;
4392 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4398 AnalysisPeriodicEvent(force)
4401 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4402 && !force) || !appData.periodicUpdates)
4405 /* Send . command to Crafty to collect stats */
4406 SendToProgram(".\n", &first);
4408 /* Don't send another until we get a response (this makes
4409 us stop sending to old Crafty's which don't understand
4410 the "." command (sending illegal cmds resets node count & time,
4411 which looks bad)) */
4412 programStats.ok_to_send = 0;
4415 void ics_update_width(new_width)
4418 ics_printf("set width %d\n", new_width);
4422 SendMoveToProgram(moveNum, cps)
4424 ChessProgramState *cps;
4428 if (cps->useUsermove) {
4429 SendToProgram("usermove ", cps);
4433 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4434 int len = space - parseList[moveNum];
4435 memcpy(buf, parseList[moveNum], len);
4437 buf[len] = NULLCHAR;
4439 sprintf(buf, "%s\n", parseList[moveNum]);
4441 SendToProgram(buf, cps);
4443 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4444 AlphaRank(moveList[moveNum], 4);
4445 SendToProgram(moveList[moveNum], cps);
4446 AlphaRank(moveList[moveNum], 4); // and back
4448 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4449 * the engine. It would be nice to have a better way to identify castle
4451 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4452 && cps->useOOCastle) {
4453 int fromX = moveList[moveNum][0] - AAA;
4454 int fromY = moveList[moveNum][1] - ONE;
4455 int toX = moveList[moveNum][2] - AAA;
4456 int toY = moveList[moveNum][3] - ONE;
4457 if((boards[moveNum][fromY][fromX] == WhiteKing
4458 && boards[moveNum][toY][toX] == WhiteRook)
4459 || (boards[moveNum][fromY][fromX] == BlackKing
4460 && boards[moveNum][toY][toX] == BlackRook)) {
4461 if(toX > fromX) SendToProgram("O-O\n", cps);
4462 else SendToProgram("O-O-O\n", cps);
4464 else SendToProgram(moveList[moveNum], cps);
4466 else SendToProgram(moveList[moveNum], cps);
4467 /* End of additions by Tord */
4470 /* [HGM] setting up the opening has brought engine in force mode! */
4471 /* Send 'go' if we are in a mode where machine should play. */
4472 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4473 (gameMode == TwoMachinesPlay ||
4475 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4477 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4478 SendToProgram("go\n", cps);
4479 if (appData.debugMode) {
4480 fprintf(debugFP, "(extra)\n");
4483 setboardSpoiledMachineBlack = 0;
4487 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4489 int fromX, fromY, toX, toY;
4491 char user_move[MSG_SIZ];
4495 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4496 (int)moveType, fromX, fromY, toX, toY);
4497 DisplayError(user_move + strlen("say "), 0);
4499 case WhiteKingSideCastle:
4500 case BlackKingSideCastle:
4501 case WhiteQueenSideCastleWild:
4502 case BlackQueenSideCastleWild:
4504 case WhiteHSideCastleFR:
4505 case BlackHSideCastleFR:
4507 sprintf(user_move, "o-o\n");
4509 case WhiteQueenSideCastle:
4510 case BlackQueenSideCastle:
4511 case WhiteKingSideCastleWild:
4512 case BlackKingSideCastleWild:
4514 case WhiteASideCastleFR:
4515 case BlackASideCastleFR:
4517 sprintf(user_move, "o-o-o\n");
4519 case WhitePromotionQueen:
4520 case BlackPromotionQueen:
4521 case WhitePromotionRook:
4522 case BlackPromotionRook:
4523 case WhitePromotionBishop:
4524 case BlackPromotionBishop:
4525 case WhitePromotionKnight:
4526 case BlackPromotionKnight:
4527 case WhitePromotionKing:
4528 case BlackPromotionKing:
4529 case WhitePromotionChancellor:
4530 case BlackPromotionChancellor:
4531 case WhitePromotionArchbishop:
4532 case BlackPromotionArchbishop:
4533 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4534 sprintf(user_move, "%c%c%c%c=%c\n",
4535 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4536 PieceToChar(WhiteFerz));
4537 else if(gameInfo.variant == VariantGreat)
4538 sprintf(user_move, "%c%c%c%c=%c\n",
4539 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4540 PieceToChar(WhiteMan));
4542 sprintf(user_move, "%c%c%c%c=%c\n",
4543 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4544 PieceToChar(PromoPiece(moveType)));
4548 sprintf(user_move, "%c@%c%c\n",
4549 ToUpper(PieceToChar((ChessSquare) fromX)),
4550 AAA + toX, ONE + toY);
4553 case WhiteCapturesEnPassant:
4554 case BlackCapturesEnPassant:
4555 case IllegalMove: /* could be a variant we don't quite understand */
4556 sprintf(user_move, "%c%c%c%c\n",
4557 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4560 SendToICS(user_move);
4561 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4562 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4567 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4568 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4569 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4570 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4571 DisplayError("You cannot do this while you are playing or observing", 0);
4574 if(gameMode != IcsExamining) { // is this ever not the case?
4575 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4577 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4578 sprintf(command, "match %s", ics_handle);
4579 } else { // on FICS we must first go to general examine mode
4580 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4582 if(gameInfo.variant != VariantNormal) {
4583 // try figure out wild number, as xboard names are not always valid on ICS
4584 for(i=1; i<=36; i++) {
4585 sprintf(buf, "wild/%d", i);
4586 if(StringToVariant(buf) == gameInfo.variant) break;
4588 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4589 else if(i == 22) sprintf(buf, "%s fr\n", command);
4590 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4591 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4592 SendToICS(ics_prefix);
4594 if(startedFromSetupPosition || backwardMostMove != 0) {
4595 fen = PositionToFEN(backwardMostMove, NULL);
4596 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4597 sprintf(buf, "loadfen %s\n", fen);
4599 } else { // FICS: everything has to set by separate bsetup commands
4600 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4601 sprintf(buf, "bsetup fen %s\n", fen);
4603 if(!WhiteOnMove(backwardMostMove)) {
4604 SendToICS("bsetup tomove black\n");
4606 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4607 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4609 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4610 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4612 i = boards[backwardMostMove][EP_STATUS];
4613 if(i >= 0) { // set e.p.
4614 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4620 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4621 SendToICS("bsetup done\n"); // switch to normal examining.
4623 for(i = backwardMostMove; i<last; i++) {
4625 sprintf(buf, "%s\n", parseList[i]);
4628 SendToICS(ics_prefix);
4629 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4633 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4638 if (rf == DROP_RANK) {
4639 sprintf(move, "%c@%c%c\n",
4640 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4642 if (promoChar == 'x' || promoChar == NULLCHAR) {
4643 sprintf(move, "%c%c%c%c\n",
4644 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4646 sprintf(move, "%c%c%c%c%c\n",
4647 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4653 ProcessICSInitScript(f)
4658 while (fgets(buf, MSG_SIZ, f)) {
4659 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4666 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4668 AlphaRank(char *move, int n)
4670 // char *p = move, c; int x, y;
4672 if (appData.debugMode) {
4673 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4677 move[2]>='0' && move[2]<='9' &&
4678 move[3]>='a' && move[3]<='x' ) {
4680 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4681 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4683 if(move[0]>='0' && move[0]<='9' &&
4684 move[1]>='a' && move[1]<='x' &&
4685 move[2]>='0' && move[2]<='9' &&
4686 move[3]>='a' && move[3]<='x' ) {
4687 /* input move, Shogi -> normal */
4688 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4689 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4690 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4691 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4694 move[3]>='0' && move[3]<='9' &&
4695 move[2]>='a' && move[2]<='x' ) {
4697 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4698 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4701 move[0]>='a' && move[0]<='x' &&
4702 move[3]>='0' && move[3]<='9' &&
4703 move[2]>='a' && move[2]<='x' ) {
4704 /* output move, normal -> Shogi */
4705 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4706 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4707 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4708 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4709 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4711 if (appData.debugMode) {
4712 fprintf(debugFP, " out = '%s'\n", move);
4716 /* Parser for moves from gnuchess, ICS, or user typein box */
4718 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4721 ChessMove *moveType;
4722 int *fromX, *fromY, *toX, *toY;
4725 if (appData.debugMode) {
4726 fprintf(debugFP, "move to parse: %s\n", move);
4728 *moveType = yylexstr(moveNum, move);
4730 switch (*moveType) {
4731 case WhitePromotionChancellor:
4732 case BlackPromotionChancellor:
4733 case WhitePromotionArchbishop:
4734 case BlackPromotionArchbishop:
4735 case WhitePromotionQueen:
4736 case BlackPromotionQueen:
4737 case WhitePromotionRook:
4738 case BlackPromotionRook:
4739 case WhitePromotionBishop:
4740 case BlackPromotionBishop:
4741 case WhitePromotionKnight:
4742 case BlackPromotionKnight:
4743 case WhitePromotionKing:
4744 case BlackPromotionKing:
4746 case WhiteCapturesEnPassant:
4747 case BlackCapturesEnPassant:
4748 case WhiteKingSideCastle:
4749 case WhiteQueenSideCastle:
4750 case BlackKingSideCastle:
4751 case BlackQueenSideCastle:
4752 case WhiteKingSideCastleWild:
4753 case WhiteQueenSideCastleWild:
4754 case BlackKingSideCastleWild:
4755 case BlackQueenSideCastleWild:
4756 /* Code added by Tord: */
4757 case WhiteHSideCastleFR:
4758 case WhiteASideCastleFR:
4759 case BlackHSideCastleFR:
4760 case BlackASideCastleFR:
4761 /* End of code added by Tord */
4762 case IllegalMove: /* bug or odd chess variant */
4763 *fromX = currentMoveString[0] - AAA;
4764 *fromY = currentMoveString[1] - ONE;
4765 *toX = currentMoveString[2] - AAA;
4766 *toY = currentMoveString[3] - ONE;
4767 *promoChar = currentMoveString[4];
4768 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4769 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4770 if (appData.debugMode) {
4771 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4773 *fromX = *fromY = *toX = *toY = 0;
4776 if (appData.testLegality) {
4777 return (*moveType != IllegalMove);
4779 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4780 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4785 *fromX = *moveType == WhiteDrop ?
4786 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4787 (int) CharToPiece(ToLower(currentMoveString[0]));
4789 *toX = currentMoveString[2] - AAA;
4790 *toY = currentMoveString[3] - ONE;
4791 *promoChar = NULLCHAR;
4795 case ImpossibleMove:
4796 case (ChessMove) 0: /* end of file */
4805 if (appData.debugMode) {
4806 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4809 *fromX = *fromY = *toX = *toY = 0;
4810 *promoChar = NULLCHAR;
4818 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4819 int fromX, fromY, toX, toY; char promoChar;
4824 endPV = forwardMostMove;
4826 while(*pv == ' ') pv++;
4827 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4828 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4829 if(appData.debugMode){
4830 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4832 if(!valid && nr == 0 &&
4833 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4834 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4835 // Hande case where played move is different from leading PV move
4836 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4837 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4838 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4839 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4840 endPV += 2; // if position different, keep this
4841 moveList[endPV-1][0] = fromX + AAA;
4842 moveList[endPV-1][1] = fromY + ONE;
4843 moveList[endPV-1][2] = toX + AAA;
4844 moveList[endPV-1][3] = toY + ONE;
4845 parseList[endPV-1][0] = NULLCHAR;
4846 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4850 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4851 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4853 if(endPV+1 > framePtr) break; // no space, truncate
4856 CopyBoard(boards[endPV], boards[endPV-1]);
4857 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4858 moveList[endPV-1][0] = fromX + AAA;
4859 moveList[endPV-1][1] = fromY + ONE;
4860 moveList[endPV-1][2] = toX + AAA;
4861 moveList[endPV-1][3] = toY + ONE;
4862 parseList[endPV-1][0] = NULLCHAR;
4864 currentMove = endPV;
4865 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4866 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4867 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4868 DrawPosition(TRUE, boards[currentMove]);
4871 static int lastX, lastY;
4874 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4878 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4879 lastX = x; lastY = y;
4880 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4882 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4884 while(buf[index] && buf[index] != '\n') index++;
4886 ParsePV(buf+startPV);
4887 *start = startPV; *end = index-1;
4892 LoadPV(int x, int y)
4893 { // called on right mouse click to load PV
4894 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4895 lastX = x; lastY = y;
4896 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4903 if(endPV < 0) return;
4905 currentMove = forwardMostMove;
4906 ClearPremoveHighlights();
4907 DrawPosition(TRUE, boards[currentMove]);
4911 MovePV(int x, int y, int h)
4912 { // step through PV based on mouse coordinates (called on mouse move)
4913 int margin = h>>3, step = 0;
4915 if(endPV < 0) return;
4916 // we must somehow check if right button is still down (might be released off board!)
4917 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4918 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4919 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4921 lastX = x; lastY = y;
4922 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4923 currentMove += step;
4924 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4925 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4926 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4927 DrawPosition(FALSE, boards[currentMove]);
4931 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4932 // All positions will have equal probability, but the current method will not provide a unique
4933 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4939 int piecesLeft[(int)BlackPawn];
4940 int seed, nrOfShuffles;
4942 void GetPositionNumber()
4943 { // sets global variable seed
4946 seed = appData.defaultFrcPosition;
4947 if(seed < 0) { // randomize based on time for negative FRC position numbers
4948 for(i=0; i<50; i++) seed += random();
4949 seed = random() ^ random() >> 8 ^ random() << 8;
4950 if(seed<0) seed = -seed;
4954 int put(Board board, int pieceType, int rank, int n, int shade)
4955 // put the piece on the (n-1)-th empty squares of the given shade
4959 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4960 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4961 board[rank][i] = (ChessSquare) pieceType;
4962 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4964 piecesLeft[pieceType]--;
4972 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4973 // calculate where the next piece goes, (any empty square), and put it there
4977 i = seed % squaresLeft[shade];
4978 nrOfShuffles *= squaresLeft[shade];
4979 seed /= squaresLeft[shade];
4980 put(board, pieceType, rank, i, shade);
4983 void AddTwoPieces(Board board, int pieceType, int rank)
4984 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4986 int i, n=squaresLeft[ANY], j=n-1, k;
4988 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4989 i = seed % k; // pick one
4992 while(i >= j) i -= j--;
4993 j = n - 1 - j; i += j;
4994 put(board, pieceType, rank, j, ANY);
4995 put(board, pieceType, rank, i, ANY);
4998 void SetUpShuffle(Board board, int number)
5002 GetPositionNumber(); nrOfShuffles = 1;
5004 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5005 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5006 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5008 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5010 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5011 p = (int) board[0][i];
5012 if(p < (int) BlackPawn) piecesLeft[p] ++;
5013 board[0][i] = EmptySquare;
5016 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5017 // shuffles restricted to allow normal castling put KRR first
5018 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5019 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5020 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5021 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5022 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5023 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5024 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5025 put(board, WhiteRook, 0, 0, ANY);
5026 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5029 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5030 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5031 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5032 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5033 while(piecesLeft[p] >= 2) {
5034 AddOnePiece(board, p, 0, LITE);
5035 AddOnePiece(board, p, 0, DARK);
5037 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5040 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5041 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5042 // but we leave King and Rooks for last, to possibly obey FRC restriction
5043 if(p == (int)WhiteRook) continue;
5044 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5045 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5048 // now everything is placed, except perhaps King (Unicorn) and Rooks
5050 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5051 // Last King gets castling rights
5052 while(piecesLeft[(int)WhiteUnicorn]) {
5053 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5054 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5057 while(piecesLeft[(int)WhiteKing]) {
5058 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5059 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5064 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5065 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5068 // Only Rooks can be left; simply place them all
5069 while(piecesLeft[(int)WhiteRook]) {
5070 i = put(board, WhiteRook, 0, 0, ANY);
5071 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5074 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5076 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5079 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5080 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5083 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5086 int SetCharTable( char *table, const char * map )
5087 /* [HGM] moved here from winboard.c because of its general usefulness */
5088 /* Basically a safe strcpy that uses the last character as King */
5090 int result = FALSE; int NrPieces;
5092 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5093 && NrPieces >= 12 && !(NrPieces&1)) {
5094 int i; /* [HGM] Accept even length from 12 to 34 */
5096 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5097 for( i=0; i<NrPieces/2-1; i++ ) {
5099 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5101 table[(int) WhiteKing] = map[NrPieces/2-1];
5102 table[(int) BlackKing] = map[NrPieces-1];
5110 void Prelude(Board board)
5111 { // [HGM] superchess: random selection of exo-pieces
5112 int i, j, k; ChessSquare p;
5113 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5115 GetPositionNumber(); // use FRC position number
5117 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5118 SetCharTable(pieceToChar, appData.pieceToCharTable);
5119 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5120 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5123 j = seed%4; seed /= 4;
5124 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5125 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5126 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5127 j = seed%3 + (seed%3 >= j); seed /= 3;
5128 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5129 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5130 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5131 j = seed%3; seed /= 3;
5132 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5133 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5134 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5135 j = seed%2 + (seed%2 >= j); seed /= 2;
5136 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5137 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5138 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5139 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5140 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5141 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5142 put(board, exoPieces[0], 0, 0, ANY);
5143 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5147 InitPosition(redraw)
5150 ChessSquare (* pieces)[BOARD_FILES];
5151 int i, j, pawnRow, overrule,
5152 oldx = gameInfo.boardWidth,
5153 oldy = gameInfo.boardHeight,
5154 oldh = gameInfo.holdingsWidth,
5155 oldv = gameInfo.variant;
5157 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5159 /* [AS] Initialize pv info list [HGM] and game status */
5161 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5162 pvInfoList[i].depth = 0;
5163 boards[i][EP_STATUS] = EP_NONE;
5164 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5167 initialRulePlies = 0; /* 50-move counter start */
5169 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5170 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5174 /* [HGM] logic here is completely changed. In stead of full positions */
5175 /* the initialized data only consist of the two backranks. The switch */
5176 /* selects which one we will use, which is than copied to the Board */
5177 /* initialPosition, which for the rest is initialized by Pawns and */
5178 /* empty squares. This initial position is then copied to boards[0], */
5179 /* possibly after shuffling, so that it remains available. */
5181 gameInfo.holdingsWidth = 0; /* default board sizes */
5182 gameInfo.boardWidth = 8;
5183 gameInfo.boardHeight = 8;
5184 gameInfo.holdingsSize = 0;
5185 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5186 for(i=0; i<BOARD_FILES-2; i++)
5187 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5188 initialPosition[EP_STATUS] = EP_NONE;
5189 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5191 switch (gameInfo.variant) {
5192 case VariantFischeRandom:
5193 shuffleOpenings = TRUE;
5197 case VariantShatranj:
5198 pieces = ShatranjArray;
5199 nrCastlingRights = 0;
5200 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5203 pieces = makrukArray;
5204 nrCastlingRights = 0;
5205 startedFromSetupPosition = TRUE;
5206 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5208 case VariantTwoKings:
5209 pieces = twoKingsArray;
5211 case VariantCapaRandom:
5212 shuffleOpenings = TRUE;
5213 case VariantCapablanca:
5214 pieces = CapablancaArray;
5215 gameInfo.boardWidth = 10;
5216 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5219 pieces = GothicArray;
5220 gameInfo.boardWidth = 10;
5221 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5224 pieces = JanusArray;
5225 gameInfo.boardWidth = 10;
5226 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5227 nrCastlingRights = 6;
5228 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5229 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5230 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5231 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5232 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5233 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5236 pieces = FalconArray;
5237 gameInfo.boardWidth = 10;
5238 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5240 case VariantXiangqi:
5241 pieces = XiangqiArray;
5242 gameInfo.boardWidth = 9;
5243 gameInfo.boardHeight = 10;
5244 nrCastlingRights = 0;
5245 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5248 pieces = ShogiArray;
5249 gameInfo.boardWidth = 9;
5250 gameInfo.boardHeight = 9;
5251 gameInfo.holdingsSize = 7;
5252 nrCastlingRights = 0;
5253 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5255 case VariantCourier:
5256 pieces = CourierArray;
5257 gameInfo.boardWidth = 12;
5258 nrCastlingRights = 0;
5259 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5261 case VariantKnightmate:
5262 pieces = KnightmateArray;
5263 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5266 pieces = fairyArray;
5267 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5270 pieces = GreatArray;
5271 gameInfo.boardWidth = 10;
5272 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5273 gameInfo.holdingsSize = 8;
5277 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5278 gameInfo.holdingsSize = 8;
5279 startedFromSetupPosition = TRUE;
5281 case VariantCrazyhouse:
5282 case VariantBughouse:
5284 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5285 gameInfo.holdingsSize = 5;
5287 case VariantWildCastle:
5289 /* !!?shuffle with kings guaranteed to be on d or e file */
5290 shuffleOpenings = 1;
5292 case VariantNoCastle:
5294 nrCastlingRights = 0;
5295 /* !!?unconstrained back-rank shuffle */
5296 shuffleOpenings = 1;
5301 if(appData.NrFiles >= 0) {
5302 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5303 gameInfo.boardWidth = appData.NrFiles;
5305 if(appData.NrRanks >= 0) {
5306 gameInfo.boardHeight = appData.NrRanks;
5308 if(appData.holdingsSize >= 0) {
5309 i = appData.holdingsSize;
5310 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5311 gameInfo.holdingsSize = i;
5313 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5314 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5315 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5317 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5318 if(pawnRow < 1) pawnRow = 1;
5319 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5321 /* User pieceToChar list overrules defaults */
5322 if(appData.pieceToCharTable != NULL)
5323 SetCharTable(pieceToChar, appData.pieceToCharTable);
5325 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5327 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5328 s = (ChessSquare) 0; /* account holding counts in guard band */
5329 for( i=0; i<BOARD_HEIGHT; i++ )
5330 initialPosition[i][j] = s;
5332 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5333 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5334 initialPosition[pawnRow][j] = WhitePawn;
5335 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5336 if(gameInfo.variant == VariantXiangqi) {
5338 initialPosition[pawnRow][j] =
5339 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5340 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5341 initialPosition[2][j] = WhiteCannon;
5342 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5346 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5348 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5351 initialPosition[1][j] = WhiteBishop;
5352 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5354 initialPosition[1][j] = WhiteRook;
5355 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5358 if( nrCastlingRights == -1) {
5359 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5360 /* This sets default castling rights from none to normal corners */
5361 /* Variants with other castling rights must set them themselves above */
5362 nrCastlingRights = 6;
5364 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5365 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5366 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5367 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5368 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5369 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5372 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5373 if(gameInfo.variant == VariantGreat) { // promotion commoners
5374 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5375 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5376 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5377 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5379 if (appData.debugMode) {
5380 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5382 if(shuffleOpenings) {
5383 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5384 startedFromSetupPosition = TRUE;
5386 if(startedFromPositionFile) {
5387 /* [HGM] loadPos: use PositionFile for every new game */
5388 CopyBoard(initialPosition, filePosition);
5389 for(i=0; i<nrCastlingRights; i++)
5390 initialRights[i] = filePosition[CASTLING][i];
5391 startedFromSetupPosition = TRUE;
5394 CopyBoard(boards[0], initialPosition);
5396 if(oldx != gameInfo.boardWidth ||
5397 oldy != gameInfo.boardHeight ||
5398 oldh != gameInfo.holdingsWidth
5400 || oldv == VariantGothic || // For licensing popups
5401 gameInfo.variant == VariantGothic
5404 || oldv == VariantFalcon ||
5405 gameInfo.variant == VariantFalcon
5408 InitDrawingSizes(-2 ,0);
5411 DrawPosition(TRUE, boards[currentMove]);
5415 SendBoard(cps, moveNum)
5416 ChessProgramState *cps;
5419 char message[MSG_SIZ];
5421 if (cps->useSetboard) {
5422 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5423 sprintf(message, "setboard %s\n", fen);
5424 SendToProgram(message, cps);
5430 /* Kludge to set black to move, avoiding the troublesome and now
5431 * deprecated "black" command.
5433 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5435 SendToProgram("edit\n", cps);
5436 SendToProgram("#\n", cps);
5437 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5438 bp = &boards[moveNum][i][BOARD_LEFT];
5439 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5440 if ((int) *bp < (int) BlackPawn) {
5441 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5443 if(message[0] == '+' || message[0] == '~') {
5444 sprintf(message, "%c%c%c+\n",
5445 PieceToChar((ChessSquare)(DEMOTED *bp)),
5448 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5449 message[1] = BOARD_RGHT - 1 - j + '1';
5450 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5452 SendToProgram(message, cps);
5457 SendToProgram("c\n", cps);
5458 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5459 bp = &boards[moveNum][i][BOARD_LEFT];
5460 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5461 if (((int) *bp != (int) EmptySquare)
5462 && ((int) *bp >= (int) BlackPawn)) {
5463 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5465 if(message[0] == '+' || message[0] == '~') {
5466 sprintf(message, "%c%c%c+\n",
5467 PieceToChar((ChessSquare)(DEMOTED *bp)),
5470 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5471 message[1] = BOARD_RGHT - 1 - j + '1';
5472 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5474 SendToProgram(message, cps);
5479 SendToProgram(".\n", cps);
5481 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5484 static int autoQueen; // [HGM] oneclick
5487 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5489 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5490 /* [HGM] add Shogi promotions */
5491 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5496 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5497 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5499 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5500 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5503 piece = boards[currentMove][fromY][fromX];
5504 if(gameInfo.variant == VariantShogi) {
5505 promotionZoneSize = 3;
5506 highestPromotingPiece = (int)WhiteFerz;
5507 } else if(gameInfo.variant == VariantMakruk) {
5508 promotionZoneSize = 3;
5511 // next weed out all moves that do not touch the promotion zone at all
5512 if((int)piece >= BlackPawn) {
5513 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5515 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5517 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5518 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5521 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5523 // weed out mandatory Shogi promotions
5524 if(gameInfo.variant == VariantShogi) {
5525 if(piece >= BlackPawn) {
5526 if(toY == 0 && piece == BlackPawn ||
5527 toY == 0 && piece == BlackQueen ||
5528 toY <= 1 && piece == BlackKnight) {
5533 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5534 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5535 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5542 // weed out obviously illegal Pawn moves
5543 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5544 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5545 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5546 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5547 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5548 // note we are not allowed to test for valid (non-)capture, due to premove
5551 // we either have a choice what to promote to, or (in Shogi) whether to promote
5552 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5553 *promoChoice = PieceToChar(BlackFerz); // no choice
5556 if(autoQueen) { // predetermined
5557 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5558 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5559 else *promoChoice = PieceToChar(BlackQueen);
5563 // suppress promotion popup on illegal moves that are not premoves
5564 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5565 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5566 if(appData.testLegality && !premove) {
5567 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5568 fromY, fromX, toY, toX, NULLCHAR);
5569 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5570 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5578 InPalace(row, column)
5580 { /* [HGM] for Xiangqi */
5581 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5582 column < (BOARD_WIDTH + 4)/2 &&
5583 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5588 PieceForSquare (x, y)
5592 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5595 return boards[currentMove][y][x];
5599 OKToStartUserMove(x, y)
5602 ChessSquare from_piece;
5605 if (matchMode) return FALSE;
5606 if (gameMode == EditPosition) return TRUE;
5608 if (x >= 0 && y >= 0)
5609 from_piece = boards[currentMove][y][x];
5611 from_piece = EmptySquare;
5613 if (from_piece == EmptySquare) return FALSE;
5615 white_piece = (int)from_piece >= (int)WhitePawn &&
5616 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5619 case PlayFromGameFile:
5621 case TwoMachinesPlay:
5629 case MachinePlaysWhite:
5630 case IcsPlayingBlack:
5631 if (appData.zippyPlay) return FALSE;
5633 DisplayMoveError(_("You are playing Black"));
5638 case MachinePlaysBlack:
5639 case IcsPlayingWhite:
5640 if (appData.zippyPlay) return FALSE;
5642 DisplayMoveError(_("You are playing White"));
5648 if (!white_piece && WhiteOnMove(currentMove)) {
5649 DisplayMoveError(_("It is White's turn"));
5652 if (white_piece && !WhiteOnMove(currentMove)) {
5653 DisplayMoveError(_("It is Black's turn"));
5656 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5657 /* Editing correspondence game history */
5658 /* Could disallow this or prompt for confirmation */
5663 case BeginningOfGame:
5664 if (appData.icsActive) return FALSE;
5665 if (!appData.noChessProgram) {
5667 DisplayMoveError(_("You are playing White"));
5674 if (!white_piece && WhiteOnMove(currentMove)) {
5675 DisplayMoveError(_("It is White's turn"));
5678 if (white_piece && !WhiteOnMove(currentMove)) {
5679 DisplayMoveError(_("It is Black's turn"));
5688 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5689 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5690 && gameMode != AnalyzeFile && gameMode != Training) {
5691 DisplayMoveError(_("Displayed position is not current"));
5698 OnlyMove(int *x, int *y, Boolean captures) {
5699 DisambiguateClosure cl;
5700 if (appData.zippyPlay) return FALSE;
5702 case MachinePlaysBlack:
5703 case IcsPlayingWhite:
5704 case BeginningOfGame:
5705 if(!WhiteOnMove(currentMove)) return FALSE;
5707 case MachinePlaysWhite:
5708 case IcsPlayingBlack:
5709 if(WhiteOnMove(currentMove)) return FALSE;
5714 cl.pieceIn = EmptySquare;
5719 cl.promoCharIn = NULLCHAR;
5720 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5721 if( cl.kind == NormalMove ||
5722 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5723 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5724 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5725 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5732 if(cl.kind != ImpossibleMove) return FALSE;
5733 cl.pieceIn = EmptySquare;
5738 cl.promoCharIn = NULLCHAR;
5739 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5740 if( cl.kind == NormalMove ||
5741 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5742 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5743 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5744 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5749 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5755 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5756 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5757 int lastLoadGameUseList = FALSE;
5758 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5759 ChessMove lastLoadGameStart = (ChessMove) 0;
5762 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5763 int fromX, fromY, toX, toY;
5768 ChessSquare pdown, pup;
5770 /* Check if the user is playing in turn. This is complicated because we
5771 let the user "pick up" a piece before it is his turn. So the piece he
5772 tried to pick up may have been captured by the time he puts it down!
5773 Therefore we use the color the user is supposed to be playing in this
5774 test, not the color of the piece that is currently on the starting
5775 square---except in EditGame mode, where the user is playing both
5776 sides; fortunately there the capture race can't happen. (It can
5777 now happen in IcsExamining mode, but that's just too bad. The user
5778 will get a somewhat confusing message in that case.)
5782 case PlayFromGameFile:
5784 case TwoMachinesPlay:
5788 /* We switched into a game mode where moves are not accepted,
5789 perhaps while the mouse button was down. */
5790 return ImpossibleMove;
5792 case MachinePlaysWhite:
5793 /* User is moving for Black */
5794 if (WhiteOnMove(currentMove)) {
5795 DisplayMoveError(_("It is White's turn"));
5796 return ImpossibleMove;
5800 case MachinePlaysBlack:
5801 /* User is moving for White */
5802 if (!WhiteOnMove(currentMove)) {
5803 DisplayMoveError(_("It is Black's turn"));
5804 return ImpossibleMove;
5810 case BeginningOfGame:
5813 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5814 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5815 /* User is moving for Black */
5816 if (WhiteOnMove(currentMove)) {
5817 DisplayMoveError(_("It is White's turn"));
5818 return ImpossibleMove;
5821 /* User is moving for White */
5822 if (!WhiteOnMove(currentMove)) {
5823 DisplayMoveError(_("It is Black's turn"));
5824 return ImpossibleMove;
5829 case IcsPlayingBlack:
5830 /* User is moving for Black */
5831 if (WhiteOnMove(currentMove)) {
5832 if (!appData.premove) {
5833 DisplayMoveError(_("It is White's turn"));
5834 } else if (toX >= 0 && toY >= 0) {
5837 premoveFromX = fromX;
5838 premoveFromY = fromY;
5839 premovePromoChar = promoChar;
5841 if (appData.debugMode)
5842 fprintf(debugFP, "Got premove: fromX %d,"
5843 "fromY %d, toX %d, toY %d\n",
5844 fromX, fromY, toX, toY);
5846 return ImpossibleMove;
5850 case IcsPlayingWhite:
5851 /* User is moving for White */
5852 if (!WhiteOnMove(currentMove)) {
5853 if (!appData.premove) {
5854 DisplayMoveError(_("It is Black's turn"));
5855 } else if (toX >= 0 && toY >= 0) {
5858 premoveFromX = fromX;
5859 premoveFromY = fromY;
5860 premovePromoChar = promoChar;
5862 if (appData.debugMode)
5863 fprintf(debugFP, "Got premove: fromX %d,"
5864 "fromY %d, toX %d, toY %d\n",
5865 fromX, fromY, toX, toY);
5867 return ImpossibleMove;
5875 /* EditPosition, empty square, or different color piece;
5876 click-click move is possible */
5877 if (toX == -2 || toY == -2) {
5878 boards[0][fromY][fromX] = EmptySquare;
5879 return AmbiguousMove;
5880 } else if (toX >= 0 && toY >= 0) {
5881 boards[0][toY][toX] = boards[0][fromY][fromX];
5882 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5883 if(boards[0][fromY][0] != EmptySquare) {
5884 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5885 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5888 if(fromX == BOARD_RGHT+1) {
5889 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5890 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5891 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5894 boards[0][fromY][fromX] = EmptySquare;
5895 return AmbiguousMove;
5897 return ImpossibleMove;
5900 if(toX < 0 || toY < 0) return ImpossibleMove;
5901 pdown = boards[currentMove][fromY][fromX];
5902 pup = boards[currentMove][toY][toX];
5904 /* [HGM] If move started in holdings, it means a drop */
5905 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5906 if( pup != EmptySquare ) return ImpossibleMove;
5907 if(appData.testLegality) {
5908 /* it would be more logical if LegalityTest() also figured out
5909 * which drops are legal. For now we forbid pawns on back rank.
5910 * Shogi is on its own here...
5912 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5913 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5914 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5916 return WhiteDrop; /* Not needed to specify white or black yet */
5919 /* [HGM] always test for legality, to get promotion info */
5920 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5921 fromY, fromX, toY, toX, promoChar);
5922 /* [HGM] but possibly ignore an IllegalMove result */
5923 if (appData.testLegality) {
5924 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5925 DisplayMoveError(_("Illegal move"));
5926 return ImpossibleMove;
5931 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5932 function is made into one that returns an OK move type if FinishMove
5933 should be called. This to give the calling driver routine the
5934 opportunity to finish the userMove input with a promotion popup,
5935 without bothering the user with this for invalid or illegal moves */
5937 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5940 /* Common tail of UserMoveEvent and DropMenuEvent */
5942 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5944 int fromX, fromY, toX, toY;
5945 /*char*/int promoChar;
5949 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5950 // [HGM] superchess: suppress promotions to non-available piece
5951 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5952 if(WhiteOnMove(currentMove)) {
5953 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5955 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5959 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5960 move type in caller when we know the move is a legal promotion */
5961 if(moveType == NormalMove && promoChar)
5962 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5964 /* [HGM] convert drag-and-drop piece drops to standard form */
5965 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5966 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5967 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5968 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5969 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5970 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5971 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5972 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5976 /* [HGM] <popupFix> The following if has been moved here from
5977 UserMoveEvent(). Because it seemed to belong here (why not allow
5978 piece drops in training games?), and because it can only be
5979 performed after it is known to what we promote. */
5980 if (gameMode == Training) {
5981 /* compare the move played on the board to the next move in the
5982 * game. If they match, display the move and the opponent's response.
5983 * If they don't match, display an error message.
5987 CopyBoard(testBoard, boards[currentMove]);
5988 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5990 if (CompareBoards(testBoard, boards[currentMove+1])) {
5991 ForwardInner(currentMove+1);
5993 /* Autoplay the opponent's response.
5994 * if appData.animate was TRUE when Training mode was entered,
5995 * the response will be animated.
5997 saveAnimate = appData.animate;
5998 appData.animate = animateTraining;
5999 ForwardInner(currentMove+1);
6000 appData.animate = saveAnimate;
6002 /* check for the end of the game */
6003 if (currentMove >= forwardMostMove) {
6004 gameMode = PlayFromGameFile;
6006 SetTrainingModeOff();
6007 DisplayInformation(_("End of game"));
6010 DisplayError(_("Incorrect move"), 0);
6015 /* Ok, now we know that the move is good, so we can kill
6016 the previous line in Analysis Mode */
6017 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6018 && currentMove < forwardMostMove) {
6019 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6022 /* If we need the chess program but it's dead, restart it */
6023 ResurrectChessProgram();
6025 /* A user move restarts a paused game*/
6029 thinkOutput[0] = NULLCHAR;
6031 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6033 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6035 if (gameMode == BeginningOfGame) {
6036 if (appData.noChessProgram) {
6037 gameMode = EditGame;
6041 gameMode = MachinePlaysBlack;
6044 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6046 if (first.sendName) {
6047 sprintf(buf, "name %s\n", gameInfo.white);
6048 SendToProgram(buf, &first);
6055 /* Relay move to ICS or chess engine */
6056 if (appData.icsActive) {
6057 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6058 gameMode == IcsExamining) {
6059 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6060 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6062 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6064 // also send plain move, in case ICS does not understand atomic claims
6065 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6069 if (first.sendTime && (gameMode == BeginningOfGame ||
6070 gameMode == MachinePlaysWhite ||
6071 gameMode == MachinePlaysBlack)) {
6072 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6074 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6075 // [HGM] book: if program might be playing, let it use book
6076 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6077 first.maybeThinking = TRUE;
6078 } else SendMoveToProgram(forwardMostMove-1, &first);
6079 if (currentMove == cmailOldMove + 1) {
6080 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6084 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6088 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6094 if (WhiteOnMove(currentMove)) {
6095 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6097 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6101 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6106 case MachinePlaysBlack:
6107 case MachinePlaysWhite:
6108 /* disable certain menu options while machine is thinking */
6109 SetMachineThinkingEnables();
6116 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6118 if(bookHit) { // [HGM] book: simulate book reply
6119 static char bookMove[MSG_SIZ]; // a bit generous?
6121 programStats.nodes = programStats.depth = programStats.time =
6122 programStats.score = programStats.got_only_move = 0;
6123 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6125 strcpy(bookMove, "move ");
6126 strcat(bookMove, bookHit);
6127 HandleMachineMove(bookMove, &first);
6133 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6134 int fromX, fromY, toX, toY;
6137 /* [HGM] This routine was added to allow calling of its two logical
6138 parts from other modules in the old way. Before, UserMoveEvent()
6139 automatically called FinishMove() if the move was OK, and returned
6140 otherwise. I separated the two, in order to make it possible to
6141 slip a promotion popup in between. But that it always needs two
6142 calls, to the first part, (now called UserMoveTest() ), and to
6143 FinishMove if the first part succeeded. Calls that do not need
6144 to do anything in between, can call this routine the old way.
6146 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6147 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6148 if(moveType == AmbiguousMove)
6149 DrawPosition(FALSE, boards[currentMove]);
6150 else if(moveType != ImpossibleMove && moveType != Comment)
6151 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6155 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6162 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6163 Markers *m = (Markers *) closure;
6164 if(rf == fromY && ff == fromX)
6165 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6166 || kind == WhiteCapturesEnPassant
6167 || kind == BlackCapturesEnPassant);
6168 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6172 MarkTargetSquares(int clear)
6175 if(!appData.markers || !appData.highlightDragging ||
6176 !appData.testLegality || gameMode == EditPosition) return;
6178 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6181 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6182 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6183 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6185 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6188 DrawPosition(TRUE, NULL);
6191 void LeftClick(ClickType clickType, int xPix, int yPix)
6194 Boolean saveAnimate;
6195 static int second = 0, promotionChoice = 0;
6196 char promoChoice = NULLCHAR;
6198 if(appData.seekGraph && appData.icsActive && loggedOn &&
6199 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6200 SeekGraphClick(clickType, xPix, yPix, 0);
6204 if (clickType == Press) ErrorPopDown();
6205 MarkTargetSquares(1);
6207 x = EventToSquare(xPix, BOARD_WIDTH);
6208 y = EventToSquare(yPix, BOARD_HEIGHT);
6209 if (!flipView && y >= 0) {
6210 y = BOARD_HEIGHT - 1 - y;
6212 if (flipView && x >= 0) {
6213 x = BOARD_WIDTH - 1 - x;
6216 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6217 if(clickType == Release) return; // ignore upclick of click-click destination
6218 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6219 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6220 if(gameInfo.holdingsWidth &&
6221 (WhiteOnMove(currentMove)
6222 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6223 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6224 // click in right holdings, for determining promotion piece
6225 ChessSquare p = boards[currentMove][y][x];
6226 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6227 if(p != EmptySquare) {
6228 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6233 DrawPosition(FALSE, boards[currentMove]);
6237 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6238 if(clickType == Press
6239 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6240 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6241 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6244 autoQueen = appData.alwaysPromoteToQueen;
6247 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6248 if (clickType == Press) {
6250 if (OKToStartUserMove(x, y)) {
6254 MarkTargetSquares(0);
6255 DragPieceBegin(xPix, yPix);
6256 if (appData.highlightDragging) {
6257 SetHighlights(x, y, -1, -1);
6266 if (clickType == Press && gameMode != EditPosition) {
6271 // ignore off-board to clicks
6272 if(y < 0 || x < 0) return;
6274 /* Check if clicking again on the same color piece */
6275 fromP = boards[currentMove][fromY][fromX];
6276 toP = boards[currentMove][y][x];
6277 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6278 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6279 WhitePawn <= toP && toP <= WhiteKing &&
6280 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6281 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6282 (BlackPawn <= fromP && fromP <= BlackKing &&
6283 BlackPawn <= toP && toP <= BlackKing &&
6284 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6285 !(fromP == BlackKing && toP == BlackRook && frc))) {
6286 /* Clicked again on same color piece -- changed his mind */
6287 second = (x == fromX && y == fromY);
6288 if(!second || !OnlyMove(&x, &y, TRUE)) {
6289 if (appData.highlightDragging) {
6290 SetHighlights(x, y, -1, -1);
6294 if (OKToStartUserMove(x, y)) {
6297 MarkTargetSquares(0);
6298 DragPieceBegin(xPix, yPix);
6303 // ignore clicks on holdings
6304 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6307 if (clickType == Release && x == fromX && y == fromY) {
6308 DragPieceEnd(xPix, yPix);
6309 if (appData.animateDragging) {
6310 /* Undo animation damage if any */
6311 DrawPosition(FALSE, NULL);
6314 /* Second up/down in same square; just abort move */
6319 ClearPremoveHighlights();
6321 /* First upclick in same square; start click-click mode */
6322 SetHighlights(x, y, -1, -1);
6327 /* we now have a different from- and (possibly off-board) to-square */
6328 /* Completed move */
6331 saveAnimate = appData.animate;
6332 if (clickType == Press) {
6333 /* Finish clickclick move */
6334 if (appData.animate || appData.highlightLastMove) {
6335 SetHighlights(fromX, fromY, toX, toY);
6340 /* Finish drag move */
6341 if (appData.highlightLastMove) {
6342 SetHighlights(fromX, fromY, toX, toY);
6346 DragPieceEnd(xPix, yPix);
6347 /* Don't animate move and drag both */
6348 appData.animate = FALSE;
6351 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6352 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6353 ChessSquare piece = boards[currentMove][fromY][fromX];
6354 if(gameMode == EditPosition && piece != EmptySquare &&
6355 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6358 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6359 n = PieceToNumber(piece - (int)BlackPawn);
6360 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6361 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6362 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6364 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6365 n = PieceToNumber(piece);
6366 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6367 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6368 boards[currentMove][n][BOARD_WIDTH-2]++;
6370 boards[currentMove][fromY][fromX] = EmptySquare;
6374 DrawPosition(TRUE, boards[currentMove]);
6378 // off-board moves should not be highlighted
6379 if(x < 0 || x < 0) ClearHighlights();
6381 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6382 SetHighlights(fromX, fromY, toX, toY);
6383 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6384 // [HGM] super: promotion to captured piece selected from holdings
6385 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6386 promotionChoice = TRUE;
6387 // kludge follows to temporarily execute move on display, without promoting yet
6388 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6389 boards[currentMove][toY][toX] = p;
6390 DrawPosition(FALSE, boards[currentMove]);
6391 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6392 boards[currentMove][toY][toX] = q;
6393 DisplayMessage("Click in holdings to choose piece", "");
6398 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6399 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6400 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6403 appData.animate = saveAnimate;
6404 if (appData.animate || appData.animateDragging) {
6405 /* Undo animation damage if needed */
6406 DrawPosition(FALSE, NULL);
6410 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6411 { // front-end-free part taken out of PieceMenuPopup
6412 int whichMenu; int xSqr, ySqr;
6414 if(seekGraphUp) { // [HGM] seekgraph
6415 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6416 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6420 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6421 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6422 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6423 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6427 xSqr = EventToSquare(x, BOARD_WIDTH);
6428 ySqr = EventToSquare(y, BOARD_HEIGHT);
6429 if (action == Release) UnLoadPV(); // [HGM] pv
6430 if (action != Press) return -2; // return code to be ignored
6433 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6435 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6436 if (xSqr < 0 || ySqr < 0) return -1;
\r
6437 whichMenu = 0; // edit-position menu
6440 if(!appData.icsEngineAnalyze) return -1;
6441 case IcsPlayingWhite:
6442 case IcsPlayingBlack:
6443 if(!appData.zippyPlay) goto noZip;
6446 case MachinePlaysWhite:
6447 case MachinePlaysBlack:
6448 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6449 if (!appData.dropMenu) {
6451 return 2; // flag front-end to grab mouse events
6453 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6454 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6457 if (xSqr < 0 || ySqr < 0) return -1;
6458 if (!appData.dropMenu || appData.testLegality &&
6459 gameInfo.variant != VariantBughouse &&
6460 gameInfo.variant != VariantCrazyhouse) return -1;
6461 whichMenu = 1; // drop menu
6467 if (((*fromX = xSqr) < 0) ||
6468 ((*fromY = ySqr) < 0)) {
6469 *fromX = *fromY = -1;
6473 *fromX = BOARD_WIDTH - 1 - *fromX;
6475 *fromY = BOARD_HEIGHT - 1 - *fromY;
6480 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6482 // char * hint = lastHint;
6483 FrontEndProgramStats stats;
6485 stats.which = cps == &first ? 0 : 1;
6486 stats.depth = cpstats->depth;
6487 stats.nodes = cpstats->nodes;
6488 stats.score = cpstats->score;
6489 stats.time = cpstats->time;
6490 stats.pv = cpstats->movelist;
6491 stats.hint = lastHint;
6492 stats.an_move_index = 0;
6493 stats.an_move_count = 0;
6495 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6496 stats.hint = cpstats->move_name;
6497 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6498 stats.an_move_count = cpstats->nr_moves;
6501 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6503 SetProgramStats( &stats );
6507 Adjudicate(ChessProgramState *cps)
6508 { // [HGM] some adjudications useful with buggy engines
6509 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6510 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6511 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6512 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6513 int k, count = 0; static int bare = 1;
6514 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6515 Boolean canAdjudicate = !appData.icsActive;
6517 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6518 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6519 if( appData.testLegality )
6520 { /* [HGM] Some more adjudications for obstinate engines */
6521 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6522 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6523 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6524 static int moveCount = 6;
6526 char *reason = NULL;
6528 /* Count what is on board. */
6529 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6530 { ChessSquare p = boards[forwardMostMove][i][j];
6534 { /* count B,N,R and other of each side */
6537 NrK++; break; // [HGM] atomic: count Kings
6541 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6542 bishopsColor |= 1 << ((i^j)&1);
6547 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6548 bishopsColor |= 1 << ((i^j)&1);
6563 PawnAdvance += m; NrPawns++;
6565 NrPieces += (p != EmptySquare);
6566 NrW += ((int)p < (int)BlackPawn);
6567 if(gameInfo.variant == VariantXiangqi &&
6568 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6569 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6570 NrW -= ((int)p < (int)BlackPawn);
6574 /* Some material-based adjudications that have to be made before stalemate test */
6575 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6576 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6577 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6578 if(canAdjudicate && appData.checkMates) {
6580 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6581 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6582 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6583 "Xboard adjudication: King destroyed", GE_XBOARD );
6588 /* Bare King in Shatranj (loses) or Losers (wins) */
6589 if( NrW == 1 || NrPieces - NrW == 1) {
6590 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6591 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6592 if(canAdjudicate && appData.checkMates) {
6594 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6595 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6596 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6597 "Xboard adjudication: Bare king", GE_XBOARD );
6601 if( gameInfo.variant == VariantShatranj && --bare < 0)
6603 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6604 if(canAdjudicate && appData.checkMates) {
6605 /* but only adjudicate if adjudication enabled */
6607 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6608 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6609 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6610 "Xboard adjudication: Bare king", GE_XBOARD );
6617 // don't wait for engine to announce game end if we can judge ourselves
6618 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6620 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6621 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6622 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6623 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6626 reason = "Xboard adjudication: 3rd check";
6627 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6637 reason = "Xboard adjudication: Stalemate";
6638 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6639 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6640 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6641 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6642 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6643 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6644 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6645 EP_CHECKMATE : EP_WINS);
6646 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6647 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6651 reason = "Xboard adjudication: Checkmate";
6652 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6656 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6658 result = GameIsDrawn; break;
6660 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6662 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6664 result = (ChessMove) 0;
6666 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6668 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6669 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6670 GameEnds( result, reason, GE_XBOARD );
6674 /* Next absolutely insufficient mating material. */
6675 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6676 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6677 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6678 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6679 { /* KBK, KNK, KK of KBKB with like Bishops */
6681 /* always flag draws, for judging claims */
6682 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6684 if(canAdjudicate && appData.materialDraws) {
6685 /* but only adjudicate them if adjudication enabled */
6686 if(engineOpponent) {
6687 SendToProgram("force\n", engineOpponent); // suppress reply
6688 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6690 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6691 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6696 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6698 ( NrWR == 1 && NrBR == 1 /* KRKR */
6699 || NrWQ==1 && NrBQ==1 /* KQKQ */
6700 || NrWN==2 || NrBN==2 /* KNNK */
6701 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6703 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6704 { /* if the first 3 moves do not show a tactical win, declare draw */
6705 if(engineOpponent) {
6706 SendToProgram("force\n", engineOpponent); // suppress reply
6707 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6709 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6710 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6713 } else moveCount = 6;
6717 if (appData.debugMode) { int i;
6718 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6719 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6720 appData.drawRepeats);
6721 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6722 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6726 // Repetition draws and 50-move rule can be applied independently of legality testing
6728 /* Check for rep-draws */
6730 for(k = forwardMostMove-2;
6731 k>=backwardMostMove && k>=forwardMostMove-100 &&
6732 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6733 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6736 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6737 /* compare castling rights */
6738 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6739 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6740 rights++; /* King lost rights, while rook still had them */
6741 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6742 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6743 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6744 rights++; /* but at least one rook lost them */
6746 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6747 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6749 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6750 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6751 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6754 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6755 && appData.drawRepeats > 1) {
6756 /* adjudicate after user-specified nr of repeats */
6757 if(engineOpponent) {
6758 SendToProgram("force\n", engineOpponent); // suppress reply
6759 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6761 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6762 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6763 // [HGM] xiangqi: check for forbidden perpetuals
6764 int m, ourPerpetual = 1, hisPerpetual = 1;
6765 for(m=forwardMostMove; m>k; m-=2) {
6766 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6767 ourPerpetual = 0; // the current mover did not always check
6768 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6769 hisPerpetual = 0; // the opponent did not always check
6771 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6772 ourPerpetual, hisPerpetual);
6773 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6774 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6775 "Xboard adjudication: perpetual checking", GE_XBOARD );
6778 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6779 break; // (or we would have caught him before). Abort repetition-checking loop.
6780 // Now check for perpetual chases
6781 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6782 hisPerpetual = PerpetualChase(k, forwardMostMove);
6783 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6784 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6785 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6786 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6789 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6790 break; // Abort repetition-checking loop.
6792 // if neither of us is checking or chasing all the time, or both are, it is draw
6794 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6797 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6798 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6802 /* Now we test for 50-move draws. Determine ply count */
6803 count = forwardMostMove;
6804 /* look for last irreversble move */
6805 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6807 /* if we hit starting position, add initial plies */
6808 if( count == backwardMostMove )
6809 count -= initialRulePlies;
6810 count = forwardMostMove - count;
6812 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6813 /* this is used to judge if draw claims are legal */
6814 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6815 if(engineOpponent) {
6816 SendToProgram("force\n", engineOpponent); // suppress reply
6817 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6819 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6820 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6824 /* if draw offer is pending, treat it as a draw claim
6825 * when draw condition present, to allow engines a way to
6826 * claim draws before making their move to avoid a race
6827 * condition occurring after their move
6829 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6831 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6832 p = "Draw claim: 50-move rule";
6833 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6834 p = "Draw claim: 3-fold repetition";
6835 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6836 p = "Draw claim: insufficient mating material";
6837 if( p != NULL && canAdjudicate) {
6838 if(engineOpponent) {
6839 SendToProgram("force\n", engineOpponent); // suppress reply
6840 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6842 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6843 GameEnds( GameIsDrawn, p, GE_XBOARD );
6848 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6849 if(engineOpponent) {
6850 SendToProgram("force\n", engineOpponent); // suppress reply
6851 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6853 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6854 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6860 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6861 { // [HGM] book: this routine intercepts moves to simulate book replies
6862 char *bookHit = NULL;
6864 //first determine if the incoming move brings opponent into his book
6865 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6866 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6867 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6868 if(bookHit != NULL && !cps->bookSuspend) {
6869 // make sure opponent is not going to reply after receiving move to book position
6870 SendToProgram("force\n", cps);
6871 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6873 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6874 // now arrange restart after book miss
6876 // after a book hit we never send 'go', and the code after the call to this routine
6877 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6879 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6880 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6881 SendToProgram(buf, cps);
6882 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6883 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6884 SendToProgram("go\n", cps);
6885 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6886 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6887 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6888 SendToProgram("go\n", cps);
6889 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6891 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6895 ChessProgramState *savedState;
6896 void DeferredBookMove(void)
6898 if(savedState->lastPing != savedState->lastPong)
6899 ScheduleDelayedEvent(DeferredBookMove, 10);
6901 HandleMachineMove(savedMessage, savedState);
6905 HandleMachineMove(message, cps)
6907 ChessProgramState *cps;
6909 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6910 char realname[MSG_SIZ];
6911 int fromX, fromY, toX, toY;
6920 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6922 * Kludge to ignore BEL characters
6924 while (*message == '\007') message++;
6927 * [HGM] engine debug message: ignore lines starting with '#' character
6929 if(cps->debug && *message == '#') return;
6932 * Look for book output
6934 if (cps == &first && bookRequested) {
6935 if (message[0] == '\t' || message[0] == ' ') {
6936 /* Part of the book output is here; append it */
6937 strcat(bookOutput, message);
6938 strcat(bookOutput, " \n");
6940 } else if (bookOutput[0] != NULLCHAR) {
6941 /* All of book output has arrived; display it */
6942 char *p = bookOutput;
6943 while (*p != NULLCHAR) {
6944 if (*p == '\t') *p = ' ';
6947 DisplayInformation(bookOutput);
6948 bookRequested = FALSE;
6949 /* Fall through to parse the current output */
6954 * Look for machine move.
6956 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6957 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6959 /* This method is only useful on engines that support ping */
6960 if (cps->lastPing != cps->lastPong) {
6961 if (gameMode == BeginningOfGame) {
6962 /* Extra move from before last new; ignore */
6963 if (appData.debugMode) {
6964 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6967 if (appData.debugMode) {
6968 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6969 cps->which, gameMode);
6972 SendToProgram("undo\n", cps);
6978 case BeginningOfGame:
6979 /* Extra move from before last reset; ignore */
6980 if (appData.debugMode) {
6981 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6988 /* Extra move after we tried to stop. The mode test is
6989 not a reliable way of detecting this problem, but it's
6990 the best we can do on engines that don't support ping.
6992 if (appData.debugMode) {
6993 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6994 cps->which, gameMode);
6996 SendToProgram("undo\n", cps);
6999 case MachinePlaysWhite:
7000 case IcsPlayingWhite:
7001 machineWhite = TRUE;
7004 case MachinePlaysBlack:
7005 case IcsPlayingBlack:
7006 machineWhite = FALSE;
7009 case TwoMachinesPlay:
7010 machineWhite = (cps->twoMachinesColor[0] == 'w');
7013 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7014 if (appData.debugMode) {
7016 "Ignoring move out of turn by %s, gameMode %d"
7017 ", forwardMost %d\n",
7018 cps->which, gameMode, forwardMostMove);
7023 if (appData.debugMode) { int f = forwardMostMove;
7024 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7025 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7026 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7028 if(cps->alphaRank) AlphaRank(machineMove, 4);
7029 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7030 &fromX, &fromY, &toX, &toY, &promoChar)) {
7031 /* Machine move could not be parsed; ignore it. */
7032 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7033 machineMove, cps->which);
7034 DisplayError(buf1, 0);
7035 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7036 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7037 if (gameMode == TwoMachinesPlay) {
7038 GameEnds(machineWhite ? BlackWins : WhiteWins,
7044 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7045 /* So we have to redo legality test with true e.p. status here, */
7046 /* to make sure an illegal e.p. capture does not slip through, */
7047 /* to cause a forfeit on a justified illegal-move complaint */
7048 /* of the opponent. */
7049 if( gameMode==TwoMachinesPlay && appData.testLegality
7050 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7053 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7054 fromY, fromX, toY, toX, promoChar);
7055 if (appData.debugMode) {
7057 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7058 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7059 fprintf(debugFP, "castling rights\n");
7061 if(moveType == IllegalMove) {
7062 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7063 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7064 GameEnds(machineWhite ? BlackWins : WhiteWins,
7067 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7068 /* [HGM] Kludge to handle engines that send FRC-style castling
7069 when they shouldn't (like TSCP-Gothic) */
7071 case WhiteASideCastleFR:
7072 case BlackASideCastleFR:
7074 currentMoveString[2]++;
7076 case WhiteHSideCastleFR:
7077 case BlackHSideCastleFR:
7079 currentMoveString[2]--;
7081 default: ; // nothing to do, but suppresses warning of pedantic compilers
7084 hintRequested = FALSE;
7085 lastHint[0] = NULLCHAR;
7086 bookRequested = FALSE;
7087 /* Program may be pondering now */
7088 cps->maybeThinking = TRUE;
7089 if (cps->sendTime == 2) cps->sendTime = 1;
7090 if (cps->offeredDraw) cps->offeredDraw--;
7092 /* currentMoveString is set as a side-effect of ParseOneMove */
7093 strcpy(machineMove, currentMoveString);
7094 strcat(machineMove, "\n");
7095 strcpy(moveList[forwardMostMove], machineMove);
7097 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7099 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7100 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7103 while( count < adjudicateLossPlies ) {
7104 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7107 score = -score; /* Flip score for winning side */
7110 if( score > adjudicateLossThreshold ) {
7117 if( count >= adjudicateLossPlies ) {
7118 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7120 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7121 "Xboard adjudication",
7128 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7131 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7133 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7134 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7136 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7138 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7140 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7141 char buf[3*MSG_SIZ];
7143 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7144 programStats.score / 100.,
7146 programStats.time / 100.,
7147 (unsigned int)programStats.nodes,
7148 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7149 programStats.movelist);
7151 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7156 /* [AS] Save move info and clear stats for next move */
7157 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7158 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7159 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7160 ClearProgramStats();
7161 thinkOutput[0] = NULLCHAR;
7162 hiddenThinkOutputState = 0;
7165 if (gameMode == TwoMachinesPlay) {
7166 /* [HGM] relaying draw offers moved to after reception of move */
7167 /* and interpreting offer as claim if it brings draw condition */
7168 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7169 SendToProgram("draw\n", cps->other);
7171 if (cps->other->sendTime) {
7172 SendTimeRemaining(cps->other,
7173 cps->other->twoMachinesColor[0] == 'w');
7175 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7176 if (firstMove && !bookHit) {
7178 if (cps->other->useColors) {
7179 SendToProgram(cps->other->twoMachinesColor, cps->other);
7181 SendToProgram("go\n", cps->other);
7183 cps->other->maybeThinking = TRUE;
7186 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7188 if (!pausing && appData.ringBellAfterMoves) {
7193 * Reenable menu items that were disabled while
7194 * machine was thinking
7196 if (gameMode != TwoMachinesPlay)
7197 SetUserThinkingEnables();
7199 // [HGM] book: after book hit opponent has received move and is now in force mode
7200 // force the book reply into it, and then fake that it outputted this move by jumping
7201 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7203 static char bookMove[MSG_SIZ]; // a bit generous?
7205 strcpy(bookMove, "move ");
7206 strcat(bookMove, bookHit);
7209 programStats.nodes = programStats.depth = programStats.time =
7210 programStats.score = programStats.got_only_move = 0;
7211 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7213 if(cps->lastPing != cps->lastPong) {
7214 savedMessage = message; // args for deferred call
7216 ScheduleDelayedEvent(DeferredBookMove, 10);
7225 /* Set special modes for chess engines. Later something general
7226 * could be added here; for now there is just one kludge feature,
7227 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7228 * when "xboard" is given as an interactive command.
7230 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7231 cps->useSigint = FALSE;
7232 cps->useSigterm = FALSE;
7234 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7235 ParseFeatures(message+8, cps);
7236 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7239 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7240 * want this, I was asked to put it in, and obliged.
7242 if (!strncmp(message, "setboard ", 9)) {
7243 Board initial_position;
7245 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7247 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7248 DisplayError(_("Bad FEN received from engine"), 0);
7252 CopyBoard(boards[0], initial_position);
7253 initialRulePlies = FENrulePlies;
7254 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7255 else gameMode = MachinePlaysBlack;
7256 DrawPosition(FALSE, boards[currentMove]);
7262 * Look for communication commands
7264 if (!strncmp(message, "telluser ", 9)) {
7265 DisplayNote(message + 9);
7268 if (!strncmp(message, "tellusererror ", 14)) {
7270 DisplayError(message + 14, 0);
7273 if (!strncmp(message, "tellopponent ", 13)) {
7274 if (appData.icsActive) {
7276 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7280 DisplayNote(message + 13);
7284 if (!strncmp(message, "tellothers ", 11)) {
7285 if (appData.icsActive) {
7287 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7293 if (!strncmp(message, "tellall ", 8)) {
7294 if (appData.icsActive) {
7296 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7300 DisplayNote(message + 8);
7304 if (strncmp(message, "warning", 7) == 0) {
7305 /* Undocumented feature, use tellusererror in new code */
7306 DisplayError(message, 0);
7309 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7310 strcpy(realname, cps->tidy);
7311 strcat(realname, " query");
7312 AskQuestion(realname, buf2, buf1, cps->pr);
7315 /* Commands from the engine directly to ICS. We don't allow these to be
7316 * sent until we are logged on. Crafty kibitzes have been known to
7317 * interfere with the login process.
7320 if (!strncmp(message, "tellics ", 8)) {
7321 SendToICS(message + 8);
7325 if (!strncmp(message, "tellicsnoalias ", 15)) {
7326 SendToICS(ics_prefix);
7327 SendToICS(message + 15);
7331 /* The following are for backward compatibility only */
7332 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7333 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7334 SendToICS(ics_prefix);
7340 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7344 * If the move is illegal, cancel it and redraw the board.
7345 * Also deal with other error cases. Matching is rather loose
7346 * here to accommodate engines written before the spec.
7348 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7349 strncmp(message, "Error", 5) == 0) {
7350 if (StrStr(message, "name") ||
7351 StrStr(message, "rating") || StrStr(message, "?") ||
7352 StrStr(message, "result") || StrStr(message, "board") ||
7353 StrStr(message, "bk") || StrStr(message, "computer") ||
7354 StrStr(message, "variant") || StrStr(message, "hint") ||
7355 StrStr(message, "random") || StrStr(message, "depth") ||
7356 StrStr(message, "accepted")) {
7359 if (StrStr(message, "protover")) {
7360 /* Program is responding to input, so it's apparently done
7361 initializing, and this error message indicates it is
7362 protocol version 1. So we don't need to wait any longer
7363 for it to initialize and send feature commands. */
7364 FeatureDone(cps, 1);
7365 cps->protocolVersion = 1;
7368 cps->maybeThinking = FALSE;
7370 if (StrStr(message, "draw")) {
7371 /* Program doesn't have "draw" command */
7372 cps->sendDrawOffers = 0;
7375 if (cps->sendTime != 1 &&
7376 (StrStr(message, "time") || StrStr(message, "otim"))) {
7377 /* Program apparently doesn't have "time" or "otim" command */
7381 if (StrStr(message, "analyze")) {
7382 cps->analysisSupport = FALSE;
7383 cps->analyzing = FALSE;
7385 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7386 DisplayError(buf2, 0);
7389 if (StrStr(message, "(no matching move)st")) {
7390 /* Special kludge for GNU Chess 4 only */
7391 cps->stKludge = TRUE;
7392 SendTimeControl(cps, movesPerSession, timeControl,
7393 timeIncrement, appData.searchDepth,
7397 if (StrStr(message, "(no matching move)sd")) {
7398 /* Special kludge for GNU Chess 4 only */
7399 cps->sdKludge = TRUE;
7400 SendTimeControl(cps, movesPerSession, timeControl,
7401 timeIncrement, appData.searchDepth,
7405 if (!StrStr(message, "llegal")) {
7408 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7409 gameMode == IcsIdle) return;
7410 if (forwardMostMove <= backwardMostMove) return;
7411 if (pausing) PauseEvent();
7412 if(appData.forceIllegal) {
7413 // [HGM] illegal: machine refused move; force position after move into it
7414 SendToProgram("force\n", cps);
7415 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7416 // we have a real problem now, as SendBoard will use the a2a3 kludge
7417 // when black is to move, while there might be nothing on a2 or black
7418 // might already have the move. So send the board as if white has the move.
7419 // But first we must change the stm of the engine, as it refused the last move
7420 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7421 if(WhiteOnMove(forwardMostMove)) {
7422 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7423 SendBoard(cps, forwardMostMove); // kludgeless board
7425 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7426 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7427 SendBoard(cps, forwardMostMove+1); // kludgeless board
7429 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7430 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7431 gameMode == TwoMachinesPlay)
7432 SendToProgram("go\n", cps);
7435 if (gameMode == PlayFromGameFile) {
7436 /* Stop reading this game file */
7437 gameMode = EditGame;
7440 currentMove = forwardMostMove-1;
7441 DisplayMove(currentMove-1); /* before DisplayMoveError */
7442 SwitchClocks(forwardMostMove-1); // [HGM] race
7443 DisplayBothClocks();
7444 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7445 parseList[currentMove], cps->which);
7446 DisplayMoveError(buf1);
7447 DrawPosition(FALSE, boards[currentMove]);
7449 /* [HGM] illegal-move claim should forfeit game when Xboard */
7450 /* only passes fully legal moves */
7451 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7452 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7453 "False illegal-move claim", GE_XBOARD );
7457 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7458 /* Program has a broken "time" command that
7459 outputs a string not ending in newline.
7465 * If chess program startup fails, exit with an error message.
7466 * Attempts to recover here are futile.
7468 if ((StrStr(message, "unknown host") != NULL)
7469 || (StrStr(message, "No remote directory") != NULL)
7470 || (StrStr(message, "not found") != NULL)
7471 || (StrStr(message, "No such file") != NULL)
7472 || (StrStr(message, "can't alloc") != NULL)
7473 || (StrStr(message, "Permission denied") != NULL)) {
7475 cps->maybeThinking = FALSE;
7476 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7477 cps->which, cps->program, cps->host, message);
7478 RemoveInputSource(cps->isr);
7479 DisplayFatalError(buf1, 0, 1);
7484 * Look for hint output
7486 if (sscanf(message, "Hint: %s", buf1) == 1) {
7487 if (cps == &first && hintRequested) {
7488 hintRequested = FALSE;
7489 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7490 &fromX, &fromY, &toX, &toY, &promoChar)) {
7491 (void) CoordsToAlgebraic(boards[forwardMostMove],
7492 PosFlags(forwardMostMove),
7493 fromY, fromX, toY, toX, promoChar, buf1);
7494 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7495 DisplayInformation(buf2);
7497 /* Hint move could not be parsed!? */
7498 snprintf(buf2, sizeof(buf2),
7499 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7501 DisplayError(buf2, 0);
7504 strcpy(lastHint, buf1);
7510 * Ignore other messages if game is not in progress
7512 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7513 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7516 * look for win, lose, draw, or draw offer
7518 if (strncmp(message, "1-0", 3) == 0) {
7519 char *p, *q, *r = "";
7520 p = strchr(message, '{');
7528 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7530 } else if (strncmp(message, "0-1", 3) == 0) {
7531 char *p, *q, *r = "";
7532 p = strchr(message, '{');
7540 /* Kludge for Arasan 4.1 bug */
7541 if (strcmp(r, "Black resigns") == 0) {
7542 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7545 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7547 } else if (strncmp(message, "1/2", 3) == 0) {
7548 char *p, *q, *r = "";
7549 p = strchr(message, '{');
7558 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7561 } else if (strncmp(message, "White resign", 12) == 0) {
7562 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7564 } else if (strncmp(message, "Black resign", 12) == 0) {
7565 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7567 } else if (strncmp(message, "White matches", 13) == 0 ||
7568 strncmp(message, "Black matches", 13) == 0 ) {
7569 /* [HGM] ignore GNUShogi noises */
7571 } else if (strncmp(message, "White", 5) == 0 &&
7572 message[5] != '(' &&
7573 StrStr(message, "Black") == NULL) {
7574 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7576 } else if (strncmp(message, "Black", 5) == 0 &&
7577 message[5] != '(') {
7578 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7580 } else if (strcmp(message, "resign") == 0 ||
7581 strcmp(message, "computer resigns") == 0) {
7583 case MachinePlaysBlack:
7584 case IcsPlayingBlack:
7585 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7587 case MachinePlaysWhite:
7588 case IcsPlayingWhite:
7589 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7591 case TwoMachinesPlay:
7592 if (cps->twoMachinesColor[0] == 'w')
7593 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7595 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7602 } else if (strncmp(message, "opponent mates", 14) == 0) {
7604 case MachinePlaysBlack:
7605 case IcsPlayingBlack:
7606 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7608 case MachinePlaysWhite:
7609 case IcsPlayingWhite:
7610 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7612 case TwoMachinesPlay:
7613 if (cps->twoMachinesColor[0] == 'w')
7614 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7616 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7623 } else if (strncmp(message, "computer mates", 14) == 0) {
7625 case MachinePlaysBlack:
7626 case IcsPlayingBlack:
7627 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7629 case MachinePlaysWhite:
7630 case IcsPlayingWhite:
7631 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7633 case TwoMachinesPlay:
7634 if (cps->twoMachinesColor[0] == 'w')
7635 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7637 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7644 } else if (strncmp(message, "checkmate", 9) == 0) {
7645 if (WhiteOnMove(forwardMostMove)) {
7646 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7648 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7651 } else if (strstr(message, "Draw") != NULL ||
7652 strstr(message, "game is a draw") != NULL) {
7653 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7655 } else if (strstr(message, "offer") != NULL &&
7656 strstr(message, "draw") != NULL) {
7658 if (appData.zippyPlay && first.initDone) {
7659 /* Relay offer to ICS */
7660 SendToICS(ics_prefix);
7661 SendToICS("draw\n");
7664 cps->offeredDraw = 2; /* valid until this engine moves twice */
7665 if (gameMode == TwoMachinesPlay) {
7666 if (cps->other->offeredDraw) {
7667 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7668 /* [HGM] in two-machine mode we delay relaying draw offer */
7669 /* until after we also have move, to see if it is really claim */
7671 } else if (gameMode == MachinePlaysWhite ||
7672 gameMode == MachinePlaysBlack) {
7673 if (userOfferedDraw) {
7674 DisplayInformation(_("Machine accepts your draw offer"));
7675 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7677 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7684 * Look for thinking output
7686 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7687 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7689 int plylev, mvleft, mvtot, curscore, time;
7690 char mvname[MOVE_LEN];
7694 int prefixHint = FALSE;
7695 mvname[0] = NULLCHAR;
7698 case MachinePlaysBlack:
7699 case IcsPlayingBlack:
7700 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7702 case MachinePlaysWhite:
7703 case IcsPlayingWhite:
7704 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7709 case IcsObserving: /* [DM] icsEngineAnalyze */
7710 if (!appData.icsEngineAnalyze) ignore = TRUE;
7712 case TwoMachinesPlay:
7713 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7724 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7725 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7727 if (plyext != ' ' && plyext != '\t') {
7731 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7732 if( cps->scoreIsAbsolute &&
7733 ( gameMode == MachinePlaysBlack ||
7734 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7735 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7736 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7737 !WhiteOnMove(currentMove)
7740 curscore = -curscore;
7744 programStats.depth = plylev;
7745 programStats.nodes = nodes;
7746 programStats.time = time;
7747 programStats.score = curscore;
7748 programStats.got_only_move = 0;
7750 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7753 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7754 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7755 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7756 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7757 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7758 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7759 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7760 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7763 /* Buffer overflow protection */
7764 if (buf1[0] != NULLCHAR) {
7765 if (strlen(buf1) >= sizeof(programStats.movelist)
7766 && appData.debugMode) {
7768 "PV is too long; using the first %u bytes.\n",
7769 (unsigned) sizeof(programStats.movelist) - 1);
7772 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7774 sprintf(programStats.movelist, " no PV\n");
7777 if (programStats.seen_stat) {
7778 programStats.ok_to_send = 1;
7781 if (strchr(programStats.movelist, '(') != NULL) {
7782 programStats.line_is_book = 1;
7783 programStats.nr_moves = 0;
7784 programStats.moves_left = 0;
7786 programStats.line_is_book = 0;
7789 SendProgramStatsToFrontend( cps, &programStats );
7792 [AS] Protect the thinkOutput buffer from overflow... this
7793 is only useful if buf1 hasn't overflowed first!
7795 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7797 (gameMode == TwoMachinesPlay ?
7798 ToUpper(cps->twoMachinesColor[0]) : ' '),
7799 ((double) curscore) / 100.0,
7800 prefixHint ? lastHint : "",
7801 prefixHint ? " " : "" );
7803 if( buf1[0] != NULLCHAR ) {
7804 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7806 if( strlen(buf1) > max_len ) {
7807 if( appData.debugMode) {
7808 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7810 buf1[max_len+1] = '\0';
7813 strcat( thinkOutput, buf1 );
7816 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7817 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7818 DisplayMove(currentMove - 1);
7822 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7823 /* crafty (9.25+) says "(only move) <move>"
7824 * if there is only 1 legal move
7826 sscanf(p, "(only move) %s", buf1);
7827 sprintf(thinkOutput, "%s (only move)", buf1);
7828 sprintf(programStats.movelist, "%s (only move)", buf1);
7829 programStats.depth = 1;
7830 programStats.nr_moves = 1;
7831 programStats.moves_left = 1;
7832 programStats.nodes = 1;
7833 programStats.time = 1;
7834 programStats.got_only_move = 1;
7836 /* Not really, but we also use this member to
7837 mean "line isn't going to change" (Crafty
7838 isn't searching, so stats won't change) */
7839 programStats.line_is_book = 1;
7841 SendProgramStatsToFrontend( cps, &programStats );
7843 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7844 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7845 DisplayMove(currentMove - 1);
7848 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7849 &time, &nodes, &plylev, &mvleft,
7850 &mvtot, mvname) >= 5) {
7851 /* The stat01: line is from Crafty (9.29+) in response
7852 to the "." command */
7853 programStats.seen_stat = 1;
7854 cps->maybeThinking = TRUE;
7856 if (programStats.got_only_move || !appData.periodicUpdates)
7859 programStats.depth = plylev;
7860 programStats.time = time;
7861 programStats.nodes = nodes;
7862 programStats.moves_left = mvleft;
7863 programStats.nr_moves = mvtot;
7864 strcpy(programStats.move_name, mvname);
7865 programStats.ok_to_send = 1;
7866 programStats.movelist[0] = '\0';
7868 SendProgramStatsToFrontend( cps, &programStats );
7872 } else if (strncmp(message,"++",2) == 0) {
7873 /* Crafty 9.29+ outputs this */
7874 programStats.got_fail = 2;
7877 } else if (strncmp(message,"--",2) == 0) {
7878 /* Crafty 9.29+ outputs this */
7879 programStats.got_fail = 1;
7882 } else if (thinkOutput[0] != NULLCHAR &&
7883 strncmp(message, " ", 4) == 0) {
7884 unsigned message_len;
7887 while (*p && *p == ' ') p++;
7889 message_len = strlen( p );
7891 /* [AS] Avoid buffer overflow */
7892 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7893 strcat(thinkOutput, " ");
7894 strcat(thinkOutput, p);
7897 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7898 strcat(programStats.movelist, " ");
7899 strcat(programStats.movelist, p);
7902 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7903 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7904 DisplayMove(currentMove - 1);
7912 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7913 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7915 ChessProgramStats cpstats;
7917 if (plyext != ' ' && plyext != '\t') {
7921 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7922 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7923 curscore = -curscore;
7926 cpstats.depth = plylev;
7927 cpstats.nodes = nodes;
7928 cpstats.time = time;
7929 cpstats.score = curscore;
7930 cpstats.got_only_move = 0;
7931 cpstats.movelist[0] = '\0';
7933 if (buf1[0] != NULLCHAR) {
7934 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7937 cpstats.ok_to_send = 0;
7938 cpstats.line_is_book = 0;
7939 cpstats.nr_moves = 0;
7940 cpstats.moves_left = 0;
7942 SendProgramStatsToFrontend( cps, &cpstats );
7949 /* Parse a game score from the character string "game", and
7950 record it as the history of the current game. The game
7951 score is NOT assumed to start from the standard position.
7952 The display is not updated in any way.
7955 ParseGameHistory(game)
7959 int fromX, fromY, toX, toY, boardIndex;
7964 if (appData.debugMode)
7965 fprintf(debugFP, "Parsing game history: %s\n", game);
7967 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7968 gameInfo.site = StrSave(appData.icsHost);
7969 gameInfo.date = PGNDate();
7970 gameInfo.round = StrSave("-");
7972 /* Parse out names of players */
7973 while (*game == ' ') game++;
7975 while (*game != ' ') *p++ = *game++;
7977 gameInfo.white = StrSave(buf);
7978 while (*game == ' ') game++;
7980 while (*game != ' ' && *game != '\n') *p++ = *game++;
7982 gameInfo.black = StrSave(buf);
7985 boardIndex = blackPlaysFirst ? 1 : 0;
7988 yyboardindex = boardIndex;
7989 moveType = (ChessMove) yylex();
7991 case IllegalMove: /* maybe suicide chess, etc. */
7992 if (appData.debugMode) {
7993 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7994 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7995 setbuf(debugFP, NULL);
7997 case WhitePromotionChancellor:
7998 case BlackPromotionChancellor:
7999 case WhitePromotionArchbishop:
8000 case BlackPromotionArchbishop:
8001 case WhitePromotionQueen:
8002 case BlackPromotionQueen:
8003 case WhitePromotionRook:
8004 case BlackPromotionRook:
8005 case WhitePromotionBishop:
8006 case BlackPromotionBishop:
8007 case WhitePromotionKnight:
8008 case BlackPromotionKnight:
8009 case WhitePromotionKing:
8010 case BlackPromotionKing:
8012 case WhiteCapturesEnPassant:
8013 case BlackCapturesEnPassant:
8014 case WhiteKingSideCastle:
8015 case WhiteQueenSideCastle:
8016 case BlackKingSideCastle:
8017 case BlackQueenSideCastle:
8018 case WhiteKingSideCastleWild:
8019 case WhiteQueenSideCastleWild:
8020 case BlackKingSideCastleWild:
8021 case BlackQueenSideCastleWild:
8023 case WhiteHSideCastleFR:
8024 case WhiteASideCastleFR:
8025 case BlackHSideCastleFR:
8026 case BlackASideCastleFR:
8028 fromX = currentMoveString[0] - AAA;
8029 fromY = currentMoveString[1] - ONE;
8030 toX = currentMoveString[2] - AAA;
8031 toY = currentMoveString[3] - ONE;
8032 promoChar = currentMoveString[4];
8036 fromX = moveType == WhiteDrop ?
8037 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8038 (int) CharToPiece(ToLower(currentMoveString[0]));
8040 toX = currentMoveString[2] - AAA;
8041 toY = currentMoveString[3] - ONE;
8042 promoChar = NULLCHAR;
8046 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8047 if (appData.debugMode) {
8048 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8049 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8050 setbuf(debugFP, NULL);
8052 DisplayError(buf, 0);
8054 case ImpossibleMove:
8056 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8057 if (appData.debugMode) {
8058 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8059 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8060 setbuf(debugFP, NULL);
8062 DisplayError(buf, 0);
8064 case (ChessMove) 0: /* end of file */
8065 if (boardIndex < backwardMostMove) {
8066 /* Oops, gap. How did that happen? */
8067 DisplayError(_("Gap in move list"), 0);
8070 backwardMostMove = blackPlaysFirst ? 1 : 0;
8071 if (boardIndex > forwardMostMove) {
8072 forwardMostMove = boardIndex;
8076 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8077 strcat(parseList[boardIndex-1], " ");
8078 strcat(parseList[boardIndex-1], yy_text);
8090 case GameUnfinished:
8091 if (gameMode == IcsExamining) {
8092 if (boardIndex < backwardMostMove) {
8093 /* Oops, gap. How did that happen? */
8096 backwardMostMove = blackPlaysFirst ? 1 : 0;
8099 gameInfo.result = moveType;
8100 p = strchr(yy_text, '{');
8101 if (p == NULL) p = strchr(yy_text, '(');
8104 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8106 q = strchr(p, *p == '{' ? '}' : ')');
8107 if (q != NULL) *q = NULLCHAR;
8110 gameInfo.resultDetails = StrSave(p);
8113 if (boardIndex >= forwardMostMove &&
8114 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8115 backwardMostMove = blackPlaysFirst ? 1 : 0;
8118 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8119 fromY, fromX, toY, toX, promoChar,
8120 parseList[boardIndex]);
8121 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8122 /* currentMoveString is set as a side-effect of yylex */
8123 strcpy(moveList[boardIndex], currentMoveString);
8124 strcat(moveList[boardIndex], "\n");
8126 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8127 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8133 if(gameInfo.variant != VariantShogi)
8134 strcat(parseList[boardIndex - 1], "+");
8138 strcat(parseList[boardIndex - 1], "#");
8145 /* Apply a move to the given board */
8147 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8148 int fromX, fromY, toX, toY;
8152 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8153 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8155 /* [HGM] compute & store e.p. status and castling rights for new position */
8156 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8159 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8160 oldEP = (signed char)board[EP_STATUS];
8161 board[EP_STATUS] = EP_NONE;
8163 if( board[toY][toX] != EmptySquare )
8164 board[EP_STATUS] = EP_CAPTURE;
8166 if( board[fromY][fromX] == WhitePawn ) {
8167 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8168 board[EP_STATUS] = EP_PAWN_MOVE;
8170 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8171 gameInfo.variant != VariantBerolina || toX < fromX)
8172 board[EP_STATUS] = toX | berolina;
8173 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8174 gameInfo.variant != VariantBerolina || toX > fromX)
8175 board[EP_STATUS] = toX;
8178 if( board[fromY][fromX] == BlackPawn ) {
8179 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8180 board[EP_STATUS] = EP_PAWN_MOVE;
8181 if( toY-fromY== -2) {
8182 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8183 gameInfo.variant != VariantBerolina || toX < fromX)
8184 board[EP_STATUS] = toX | berolina;
8185 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8186 gameInfo.variant != VariantBerolina || toX > fromX)
8187 board[EP_STATUS] = toX;
8191 for(i=0; i<nrCastlingRights; i++) {
8192 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8193 board[CASTLING][i] == toX && castlingRank[i] == toY
8194 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8199 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8200 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8201 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8203 if (fromX == toX && fromY == toY) return;
8205 if (fromY == DROP_RANK) {
8207 piece = board[toY][toX] = (ChessSquare) fromX;
8209 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8210 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8211 if(gameInfo.variant == VariantKnightmate)
8212 king += (int) WhiteUnicorn - (int) WhiteKing;
8214 /* Code added by Tord: */
8215 /* FRC castling assumed when king captures friendly rook. */
8216 if (board[fromY][fromX] == WhiteKing &&
8217 board[toY][toX] == WhiteRook) {
8218 board[fromY][fromX] = EmptySquare;
8219 board[toY][toX] = EmptySquare;
8221 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8223 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8225 } else if (board[fromY][fromX] == BlackKing &&
8226 board[toY][toX] == BlackRook) {
8227 board[fromY][fromX] = EmptySquare;
8228 board[toY][toX] = EmptySquare;
8230 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8232 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8234 /* End of code added by Tord */
8236 } else if (board[fromY][fromX] == king
8237 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8238 && toY == fromY && toX > fromX+1) {
8239 board[fromY][fromX] = EmptySquare;
8240 board[toY][toX] = king;
8241 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8242 board[fromY][BOARD_RGHT-1] = EmptySquare;
8243 } else if (board[fromY][fromX] == king
8244 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8245 && toY == fromY && toX < fromX-1) {
8246 board[fromY][fromX] = EmptySquare;
8247 board[toY][toX] = king;
8248 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8249 board[fromY][BOARD_LEFT] = EmptySquare;
8250 } else if (board[fromY][fromX] == WhitePawn
8251 && toY >= BOARD_HEIGHT-promoRank
8252 && gameInfo.variant != VariantXiangqi
8254 /* white pawn promotion */
8255 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8256 if (board[toY][toX] == EmptySquare) {
8257 board[toY][toX] = WhiteQueen;
8259 if(gameInfo.variant==VariantBughouse ||
8260 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8261 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8262 board[fromY][fromX] = EmptySquare;
8263 } else if ((fromY == BOARD_HEIGHT-4)
8265 && gameInfo.variant != VariantXiangqi
8266 && gameInfo.variant != VariantBerolina
8267 && (board[fromY][fromX] == WhitePawn)
8268 && (board[toY][toX] == EmptySquare)) {
8269 board[fromY][fromX] = EmptySquare;
8270 board[toY][toX] = WhitePawn;
8271 captured = board[toY - 1][toX];
8272 board[toY - 1][toX] = EmptySquare;
8273 } else if ((fromY == BOARD_HEIGHT-4)
8275 && gameInfo.variant == VariantBerolina
8276 && (board[fromY][fromX] == WhitePawn)
8277 && (board[toY][toX] == EmptySquare)) {
8278 board[fromY][fromX] = EmptySquare;
8279 board[toY][toX] = WhitePawn;
8280 if(oldEP & EP_BEROLIN_A) {
8281 captured = board[fromY][fromX-1];
8282 board[fromY][fromX-1] = EmptySquare;
8283 }else{ captured = board[fromY][fromX+1];
8284 board[fromY][fromX+1] = EmptySquare;
8286 } else if (board[fromY][fromX] == king
8287 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8288 && toY == fromY && toX > fromX+1) {
8289 board[fromY][fromX] = EmptySquare;
8290 board[toY][toX] = king;
8291 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8292 board[fromY][BOARD_RGHT-1] = EmptySquare;
8293 } else if (board[fromY][fromX] == king
8294 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8295 && toY == fromY && toX < fromX-1) {
8296 board[fromY][fromX] = EmptySquare;
8297 board[toY][toX] = king;
8298 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8299 board[fromY][BOARD_LEFT] = EmptySquare;
8300 } else if (fromY == 7 && fromX == 3
8301 && board[fromY][fromX] == BlackKing
8302 && toY == 7 && toX == 5) {
8303 board[fromY][fromX] = EmptySquare;
8304 board[toY][toX] = BlackKing;
8305 board[fromY][7] = EmptySquare;
8306 board[toY][4] = BlackRook;
8307 } else if (fromY == 7 && fromX == 3
8308 && board[fromY][fromX] == BlackKing
8309 && toY == 7 && toX == 1) {
8310 board[fromY][fromX] = EmptySquare;
8311 board[toY][toX] = BlackKing;
8312 board[fromY][0] = EmptySquare;
8313 board[toY][2] = BlackRook;
8314 } else if (board[fromY][fromX] == BlackPawn
8316 && gameInfo.variant != VariantXiangqi
8318 /* black pawn promotion */
8319 board[toY][toX] = CharToPiece(ToLower(promoChar));
8320 if (board[toY][toX] == EmptySquare) {
8321 board[toY][toX] = BlackQueen;
8323 if(gameInfo.variant==VariantBughouse ||
8324 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8325 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8326 board[fromY][fromX] = EmptySquare;
8327 } else if ((fromY == 3)
8329 && gameInfo.variant != VariantXiangqi
8330 && gameInfo.variant != VariantBerolina
8331 && (board[fromY][fromX] == BlackPawn)
8332 && (board[toY][toX] == EmptySquare)) {
8333 board[fromY][fromX] = EmptySquare;
8334 board[toY][toX] = BlackPawn;
8335 captured = board[toY + 1][toX];
8336 board[toY + 1][toX] = EmptySquare;
8337 } else if ((fromY == 3)
8339 && gameInfo.variant == VariantBerolina
8340 && (board[fromY][fromX] == BlackPawn)
8341 && (board[toY][toX] == EmptySquare)) {
8342 board[fromY][fromX] = EmptySquare;
8343 board[toY][toX] = BlackPawn;
8344 if(oldEP & EP_BEROLIN_A) {
8345 captured = board[fromY][fromX-1];
8346 board[fromY][fromX-1] = EmptySquare;
8347 }else{ captured = board[fromY][fromX+1];
8348 board[fromY][fromX+1] = EmptySquare;
8351 board[toY][toX] = board[fromY][fromX];
8352 board[fromY][fromX] = EmptySquare;
8355 /* [HGM] now we promote for Shogi, if needed */
8356 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8357 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8360 if (gameInfo.holdingsWidth != 0) {
8362 /* !!A lot more code needs to be written to support holdings */
8363 /* [HGM] OK, so I have written it. Holdings are stored in the */
8364 /* penultimate board files, so they are automaticlly stored */
8365 /* in the game history. */
8366 if (fromY == DROP_RANK) {
8367 /* Delete from holdings, by decreasing count */
8368 /* and erasing image if necessary */
8370 if(p < (int) BlackPawn) { /* white drop */
8371 p -= (int)WhitePawn;
8372 p = PieceToNumber((ChessSquare)p);
8373 if(p >= gameInfo.holdingsSize) p = 0;
8374 if(--board[p][BOARD_WIDTH-2] <= 0)
8375 board[p][BOARD_WIDTH-1] = EmptySquare;
8376 if((int)board[p][BOARD_WIDTH-2] < 0)
8377 board[p][BOARD_WIDTH-2] = 0;
8378 } else { /* black drop */
8379 p -= (int)BlackPawn;
8380 p = PieceToNumber((ChessSquare)p);
8381 if(p >= gameInfo.holdingsSize) p = 0;
8382 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8383 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8384 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8385 board[BOARD_HEIGHT-1-p][1] = 0;
8388 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8389 && gameInfo.variant != VariantBughouse ) {
8390 /* [HGM] holdings: Add to holdings, if holdings exist */
8391 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8392 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8393 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8396 if (p >= (int) BlackPawn) {
8397 p -= (int)BlackPawn;
8398 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8399 /* in Shogi restore piece to its original first */
8400 captured = (ChessSquare) (DEMOTED captured);
8403 p = PieceToNumber((ChessSquare)p);
8404 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8405 board[p][BOARD_WIDTH-2]++;
8406 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8408 p -= (int)WhitePawn;
8409 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8410 captured = (ChessSquare) (DEMOTED captured);
8413 p = PieceToNumber((ChessSquare)p);
8414 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8415 board[BOARD_HEIGHT-1-p][1]++;
8416 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8419 } else if (gameInfo.variant == VariantAtomic) {
8420 if (captured != EmptySquare) {
8422 for (y = toY-1; y <= toY+1; y++) {
8423 for (x = toX-1; x <= toX+1; x++) {
8424 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8425 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8426 board[y][x] = EmptySquare;
8430 board[toY][toX] = EmptySquare;
8433 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8434 /* [HGM] Shogi promotions */
8435 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8438 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8439 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8440 // [HGM] superchess: take promotion piece out of holdings
8441 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8442 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8443 if(!--board[k][BOARD_WIDTH-2])
8444 board[k][BOARD_WIDTH-1] = EmptySquare;
8446 if(!--board[BOARD_HEIGHT-1-k][1])
8447 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8453 /* Updates forwardMostMove */
8455 MakeMove(fromX, fromY, toX, toY, promoChar)
8456 int fromX, fromY, toX, toY;
8459 // forwardMostMove++; // [HGM] bare: moved downstream
8461 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8462 int timeLeft; static int lastLoadFlag=0; int king, piece;
8463 piece = boards[forwardMostMove][fromY][fromX];
8464 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8465 if(gameInfo.variant == VariantKnightmate)
8466 king += (int) WhiteUnicorn - (int) WhiteKing;
8467 if(forwardMostMove == 0) {
8469 fprintf(serverMoves, "%s;", second.tidy);
8470 fprintf(serverMoves, "%s;", first.tidy);
8471 if(!blackPlaysFirst)
8472 fprintf(serverMoves, "%s;", second.tidy);
8473 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8474 lastLoadFlag = loadFlag;
8476 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8477 // print castling suffix
8478 if( toY == fromY && piece == king ) {
8480 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8482 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8485 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8486 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8487 boards[forwardMostMove][toY][toX] == EmptySquare
8489 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8491 if(promoChar != NULLCHAR)
8492 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8494 fprintf(serverMoves, "/%d/%d",
8495 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8496 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8497 else timeLeft = blackTimeRemaining/1000;
8498 fprintf(serverMoves, "/%d", timeLeft);
8500 fflush(serverMoves);
8503 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8504 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8508 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8509 if (commentList[forwardMostMove+1] != NULL) {
8510 free(commentList[forwardMostMove+1]);
8511 commentList[forwardMostMove+1] = NULL;
8513 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8514 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8515 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8516 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8517 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8518 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8519 gameInfo.result = GameUnfinished;
8520 if (gameInfo.resultDetails != NULL) {
8521 free(gameInfo.resultDetails);
8522 gameInfo.resultDetails = NULL;
8524 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8525 moveList[forwardMostMove - 1]);
8526 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8527 PosFlags(forwardMostMove - 1),
8528 fromY, fromX, toY, toX, promoChar,
8529 parseList[forwardMostMove - 1]);
8530 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8536 if(gameInfo.variant != VariantShogi)
8537 strcat(parseList[forwardMostMove - 1], "+");
8541 strcat(parseList[forwardMostMove - 1], "#");
8544 if (appData.debugMode) {
8545 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8550 /* Updates currentMove if not pausing */
8552 ShowMove(fromX, fromY, toX, toY)
8554 int instant = (gameMode == PlayFromGameFile) ?
8555 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8556 if(appData.noGUI) return;
8557 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8559 if (forwardMostMove == currentMove + 1) {
8560 AnimateMove(boards[forwardMostMove - 1],
8561 fromX, fromY, toX, toY);
8563 if (appData.highlightLastMove) {
8564 SetHighlights(fromX, fromY, toX, toY);
8567 currentMove = forwardMostMove;
8570 if (instant) return;
8572 DisplayMove(currentMove - 1);
8573 DrawPosition(FALSE, boards[currentMove]);
8574 DisplayBothClocks();
8575 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8578 void SendEgtPath(ChessProgramState *cps)
8579 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8580 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8582 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8585 char c, *q = name+1, *r, *s;
8587 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8588 while(*p && *p != ',') *q++ = *p++;
8590 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8591 strcmp(name, ",nalimov:") == 0 ) {
8592 // take nalimov path from the menu-changeable option first, if it is defined
8593 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8594 SendToProgram(buf,cps); // send egtbpath command for nalimov
8596 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8597 (s = StrStr(appData.egtFormats, name)) != NULL) {
8598 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8599 s = r = StrStr(s, ":") + 1; // beginning of path info
8600 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8601 c = *r; *r = 0; // temporarily null-terminate path info
8602 *--q = 0; // strip of trailig ':' from name
8603 sprintf(buf, "egtpath %s %s\n", name+1, s);
8605 SendToProgram(buf,cps); // send egtbpath command for this format
8607 if(*p == ',') p++; // read away comma to position for next format name
8612 InitChessProgram(cps, setup)
8613 ChessProgramState *cps;
8614 int setup; /* [HGM] needed to setup FRC opening position */
8616 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8617 if (appData.noChessProgram) return;
8618 hintRequested = FALSE;
8619 bookRequested = FALSE;
8621 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8622 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8623 if(cps->memSize) { /* [HGM] memory */
8624 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8625 SendToProgram(buf, cps);
8627 SendEgtPath(cps); /* [HGM] EGT */
8628 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8629 sprintf(buf, "cores %d\n", appData.smpCores);
8630 SendToProgram(buf, cps);
8633 SendToProgram(cps->initString, cps);
8634 if (gameInfo.variant != VariantNormal &&
8635 gameInfo.variant != VariantLoadable
8636 /* [HGM] also send variant if board size non-standard */
8637 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8639 char *v = VariantName(gameInfo.variant);
8640 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8641 /* [HGM] in protocol 1 we have to assume all variants valid */
8642 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8643 DisplayFatalError(buf, 0, 1);
8647 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8648 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8649 if( gameInfo.variant == VariantXiangqi )
8650 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8651 if( gameInfo.variant == VariantShogi )
8652 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8653 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8654 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8655 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8656 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8657 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8658 if( gameInfo.variant == VariantCourier )
8659 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8660 if( gameInfo.variant == VariantSuper )
8661 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8662 if( gameInfo.variant == VariantGreat )
8663 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8666 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8667 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8668 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8669 if(StrStr(cps->variants, b) == NULL) {
8670 // specific sized variant not known, check if general sizing allowed
8671 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8672 if(StrStr(cps->variants, "boardsize") == NULL) {
8673 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8674 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8675 DisplayFatalError(buf, 0, 1);
8678 /* [HGM] here we really should compare with the maximum supported board size */
8681 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8682 sprintf(buf, "variant %s\n", b);
8683 SendToProgram(buf, cps);
8685 currentlyInitializedVariant = gameInfo.variant;
8687 /* [HGM] send opening position in FRC to first engine */
8689 SendToProgram("force\n", cps);
8691 /* engine is now in force mode! Set flag to wake it up after first move. */
8692 setboardSpoiledMachineBlack = 1;
8696 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8697 SendToProgram(buf, cps);
8699 cps->maybeThinking = FALSE;
8700 cps->offeredDraw = 0;
8701 if (!appData.icsActive) {
8702 SendTimeControl(cps, movesPerSession, timeControl,
8703 timeIncrement, appData.searchDepth,
8706 if (appData.showThinking
8707 // [HGM] thinking: four options require thinking output to be sent
8708 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8710 SendToProgram("post\n", cps);
8712 SendToProgram("hard\n", cps);
8713 if (!appData.ponderNextMove) {
8714 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8715 it without being sure what state we are in first. "hard"
8716 is not a toggle, so that one is OK.
8718 SendToProgram("easy\n", cps);
8721 sprintf(buf, "ping %d\n", ++cps->lastPing);
8722 SendToProgram(buf, cps);
8724 cps->initDone = TRUE;
8729 StartChessProgram(cps)
8730 ChessProgramState *cps;
8735 if (appData.noChessProgram) return;
8736 cps->initDone = FALSE;
8738 if (strcmp(cps->host, "localhost") == 0) {
8739 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8740 } else if (*appData.remoteShell == NULLCHAR) {
8741 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8743 if (*appData.remoteUser == NULLCHAR) {
8744 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8747 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8748 cps->host, appData.remoteUser, cps->program);
8750 err = StartChildProcess(buf, "", &cps->pr);
8754 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8755 DisplayFatalError(buf, err, 1);
8761 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8762 if (cps->protocolVersion > 1) {
8763 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8764 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8765 cps->comboCnt = 0; // and values of combo boxes
8766 SendToProgram(buf, cps);
8768 SendToProgram("xboard\n", cps);
8774 TwoMachinesEventIfReady P((void))
8776 if (first.lastPing != first.lastPong) {
8777 DisplayMessage("", _("Waiting for first chess program"));
8778 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8781 if (second.lastPing != second.lastPong) {
8782 DisplayMessage("", _("Waiting for second chess program"));
8783 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8791 NextMatchGame P((void))
8793 int index; /* [HGM] autoinc: step load index during match */
8795 if (*appData.loadGameFile != NULLCHAR) {
8796 index = appData.loadGameIndex;
8797 if(index < 0) { // [HGM] autoinc
8798 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8799 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8801 LoadGameFromFile(appData.loadGameFile,
8803 appData.loadGameFile, FALSE);
8804 } else if (*appData.loadPositionFile != NULLCHAR) {
8805 index = appData.loadPositionIndex;
8806 if(index < 0) { // [HGM] autoinc
8807 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8808 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8810 LoadPositionFromFile(appData.loadPositionFile,
8812 appData.loadPositionFile);
8814 TwoMachinesEventIfReady();
8817 void UserAdjudicationEvent( int result )
8819 ChessMove gameResult = GameIsDrawn;
8822 gameResult = WhiteWins;
8824 else if( result < 0 ) {
8825 gameResult = BlackWins;
8828 if( gameMode == TwoMachinesPlay ) {
8829 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8834 // [HGM] save: calculate checksum of game to make games easily identifiable
8835 int StringCheckSum(char *s)
8838 if(s==NULL) return 0;
8839 while(*s) i = i*259 + *s++;
8846 for(i=backwardMostMove; i<forwardMostMove; i++) {
8847 sum += pvInfoList[i].depth;
8848 sum += StringCheckSum(parseList[i]);
8849 sum += StringCheckSum(commentList[i]);
8852 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8853 return sum + StringCheckSum(commentList[i]);
8854 } // end of save patch
8857 GameEnds(result, resultDetails, whosays)
8859 char *resultDetails;
8862 GameMode nextGameMode;
8866 if(endingGame) return; /* [HGM] crash: forbid recursion */
8869 if (appData.debugMode) {
8870 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8871 result, resultDetails ? resultDetails : "(null)", whosays);
8874 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8876 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8877 /* If we are playing on ICS, the server decides when the
8878 game is over, but the engine can offer to draw, claim
8882 if (appData.zippyPlay && first.initDone) {
8883 if (result == GameIsDrawn) {
8884 /* In case draw still needs to be claimed */
8885 SendToICS(ics_prefix);
8886 SendToICS("draw\n");
8887 } else if (StrCaseStr(resultDetails, "resign")) {
8888 SendToICS(ics_prefix);
8889 SendToICS("resign\n");
8893 endingGame = 0; /* [HGM] crash */
8897 /* If we're loading the game from a file, stop */
8898 if (whosays == GE_FILE) {
8899 (void) StopLoadGameTimer();
8903 /* Cancel draw offers */
8904 first.offeredDraw = second.offeredDraw = 0;
8906 /* If this is an ICS game, only ICS can really say it's done;
8907 if not, anyone can. */
8908 isIcsGame = (gameMode == IcsPlayingWhite ||
8909 gameMode == IcsPlayingBlack ||
8910 gameMode == IcsObserving ||
8911 gameMode == IcsExamining);
8913 if (!isIcsGame || whosays == GE_ICS) {
8914 /* OK -- not an ICS game, or ICS said it was done */
8916 if (!isIcsGame && !appData.noChessProgram)
8917 SetUserThinkingEnables();
8919 /* [HGM] if a machine claims the game end we verify this claim */
8920 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8921 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8923 ChessMove trueResult = (ChessMove) -1;
8925 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8926 first.twoMachinesColor[0] :
8927 second.twoMachinesColor[0] ;
8929 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8930 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8931 /* [HGM] verify: engine mate claims accepted if they were flagged */
8932 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8934 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8935 /* [HGM] verify: engine mate claims accepted if they were flagged */
8936 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8938 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8939 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8942 // now verify win claims, but not in drop games, as we don't understand those yet
8943 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8944 || gameInfo.variant == VariantGreat) &&
8945 (result == WhiteWins && claimer == 'w' ||
8946 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8947 if (appData.debugMode) {
8948 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8949 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8951 if(result != trueResult) {
8952 sprintf(buf, "False win claim: '%s'", resultDetails);
8953 result = claimer == 'w' ? BlackWins : WhiteWins;
8954 resultDetails = buf;
8957 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8958 && (forwardMostMove <= backwardMostMove ||
8959 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8960 (claimer=='b')==(forwardMostMove&1))
8962 /* [HGM] verify: draws that were not flagged are false claims */
8963 sprintf(buf, "False draw claim: '%s'", resultDetails);
8964 result = claimer == 'w' ? BlackWins : WhiteWins;
8965 resultDetails = buf;
8967 /* (Claiming a loss is accepted no questions asked!) */
8969 /* [HGM] bare: don't allow bare King to win */
8970 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8971 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8972 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8973 && result != GameIsDrawn)
8974 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8975 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8976 int p = (signed char)boards[forwardMostMove][i][j] - color;
8977 if(p >= 0 && p <= (int)WhiteKing) k++;
8979 if (appData.debugMode) {
8980 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8981 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8984 result = GameIsDrawn;
8985 sprintf(buf, "%s but bare king", resultDetails);
8986 resultDetails = buf;
8992 if(serverMoves != NULL && !loadFlag) { char c = '=';
8993 if(result==WhiteWins) c = '+';
8994 if(result==BlackWins) c = '-';
8995 if(resultDetails != NULL)
8996 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8998 if (resultDetails != NULL) {
8999 gameInfo.result = result;
9000 gameInfo.resultDetails = StrSave(resultDetails);
9002 /* display last move only if game was not loaded from file */
9003 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9004 DisplayMove(currentMove - 1);
9006 if (forwardMostMove != 0) {
9007 if (gameMode != PlayFromGameFile && gameMode != EditGame
9008 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9010 if (*appData.saveGameFile != NULLCHAR) {
9011 SaveGameToFile(appData.saveGameFile, TRUE);
9012 } else if (appData.autoSaveGames) {
9015 if (*appData.savePositionFile != NULLCHAR) {
9016 SavePositionToFile(appData.savePositionFile);
9021 /* Tell program how game ended in case it is learning */
9022 /* [HGM] Moved this to after saving the PGN, just in case */
9023 /* engine died and we got here through time loss. In that */
9024 /* case we will get a fatal error writing the pipe, which */
9025 /* would otherwise lose us the PGN. */
9026 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9027 /* output during GameEnds should never be fatal anymore */
9028 if (gameMode == MachinePlaysWhite ||
9029 gameMode == MachinePlaysBlack ||
9030 gameMode == TwoMachinesPlay ||
9031 gameMode == IcsPlayingWhite ||
9032 gameMode == IcsPlayingBlack ||
9033 gameMode == BeginningOfGame) {
9035 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9037 if (first.pr != NoProc) {
9038 SendToProgram(buf, &first);
9040 if (second.pr != NoProc &&
9041 gameMode == TwoMachinesPlay) {
9042 SendToProgram(buf, &second);
9047 if (appData.icsActive) {
9048 if (appData.quietPlay &&
9049 (gameMode == IcsPlayingWhite ||
9050 gameMode == IcsPlayingBlack)) {
9051 SendToICS(ics_prefix);
9052 SendToICS("set shout 1\n");
9054 nextGameMode = IcsIdle;
9055 ics_user_moved = FALSE;
9056 /* clean up premove. It's ugly when the game has ended and the
9057 * premove highlights are still on the board.
9061 ClearPremoveHighlights();
9062 DrawPosition(FALSE, boards[currentMove]);
9064 if (whosays == GE_ICS) {
9067 if (gameMode == IcsPlayingWhite)
9069 else if(gameMode == IcsPlayingBlack)
9073 if (gameMode == IcsPlayingBlack)
9075 else if(gameMode == IcsPlayingWhite)
9082 PlayIcsUnfinishedSound();
9085 } else if (gameMode == EditGame ||
9086 gameMode == PlayFromGameFile ||
9087 gameMode == AnalyzeMode ||
9088 gameMode == AnalyzeFile) {
9089 nextGameMode = gameMode;
9091 nextGameMode = EndOfGame;
9096 nextGameMode = gameMode;
9099 if (appData.noChessProgram) {
9100 gameMode = nextGameMode;
9102 endingGame = 0; /* [HGM] crash */
9107 /* Put first chess program into idle state */
9108 if (first.pr != NoProc &&
9109 (gameMode == MachinePlaysWhite ||
9110 gameMode == MachinePlaysBlack ||
9111 gameMode == TwoMachinesPlay ||
9112 gameMode == IcsPlayingWhite ||
9113 gameMode == IcsPlayingBlack ||
9114 gameMode == BeginningOfGame)) {
9115 SendToProgram("force\n", &first);
9116 if (first.usePing) {
9118 sprintf(buf, "ping %d\n", ++first.lastPing);
9119 SendToProgram(buf, &first);
9122 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9123 /* Kill off first chess program */
9124 if (first.isr != NULL)
9125 RemoveInputSource(first.isr);
9128 if (first.pr != NoProc) {
9130 DoSleep( appData.delayBeforeQuit );
9131 SendToProgram("quit\n", &first);
9132 DoSleep( appData.delayAfterQuit );
9133 DestroyChildProcess(first.pr, first.useSigterm);
9138 /* Put second chess program into idle state */
9139 if (second.pr != NoProc &&
9140 gameMode == TwoMachinesPlay) {
9141 SendToProgram("force\n", &second);
9142 if (second.usePing) {
9144 sprintf(buf, "ping %d\n", ++second.lastPing);
9145 SendToProgram(buf, &second);
9148 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9149 /* Kill off second chess program */
9150 if (second.isr != NULL)
9151 RemoveInputSource(second.isr);
9154 if (second.pr != NoProc) {
9155 DoSleep( appData.delayBeforeQuit );
9156 SendToProgram("quit\n", &second);
9157 DoSleep( appData.delayAfterQuit );
9158 DestroyChildProcess(second.pr, second.useSigterm);
9163 if (matchMode && gameMode == TwoMachinesPlay) {
9166 if (first.twoMachinesColor[0] == 'w') {
9173 if (first.twoMachinesColor[0] == 'b') {
9182 if (matchGame < appData.matchGames) {
9184 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9185 tmp = first.twoMachinesColor;
9186 first.twoMachinesColor = second.twoMachinesColor;
9187 second.twoMachinesColor = tmp;
9189 gameMode = nextGameMode;
9191 if(appData.matchPause>10000 || appData.matchPause<10)
9192 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9193 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9194 endingGame = 0; /* [HGM] crash */
9198 gameMode = nextGameMode;
9199 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9200 first.tidy, second.tidy,
9201 first.matchWins, second.matchWins,
9202 appData.matchGames - (first.matchWins + second.matchWins));
9203 DisplayFatalError(buf, 0, 0);
9206 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9207 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9209 gameMode = nextGameMode;
9211 endingGame = 0; /* [HGM] crash */
9214 /* Assumes program was just initialized (initString sent).
9215 Leaves program in force mode. */
9217 FeedMovesToProgram(cps, upto)
9218 ChessProgramState *cps;
9223 if (appData.debugMode)
9224 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9225 startedFromSetupPosition ? "position and " : "",
9226 backwardMostMove, upto, cps->which);
9227 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9228 // [HGM] variantswitch: make engine aware of new variant
9229 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9230 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9231 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9232 SendToProgram(buf, cps);
9233 currentlyInitializedVariant = gameInfo.variant;
9235 SendToProgram("force\n", cps);
9236 if (startedFromSetupPosition) {
9237 SendBoard(cps, backwardMostMove);
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "feedMoves\n");
9242 for (i = backwardMostMove; i < upto; i++) {
9243 SendMoveToProgram(i, cps);
9249 ResurrectChessProgram()
9251 /* The chess program may have exited.
9252 If so, restart it and feed it all the moves made so far. */
9254 if (appData.noChessProgram || first.pr != NoProc) return;
9256 StartChessProgram(&first);
9257 InitChessProgram(&first, FALSE);
9258 FeedMovesToProgram(&first, currentMove);
9260 if (!first.sendTime) {
9261 /* can't tell gnuchess what its clock should read,
9262 so we bow to its notion. */
9264 timeRemaining[0][currentMove] = whiteTimeRemaining;
9265 timeRemaining[1][currentMove] = blackTimeRemaining;
9268 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9269 appData.icsEngineAnalyze) && first.analysisSupport) {
9270 SendToProgram("analyze\n", &first);
9271 first.analyzing = TRUE;
9284 if (appData.debugMode) {
9285 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9286 redraw, init, gameMode);
9288 CleanupTail(); // [HGM] vari: delete any stored variations
9289 pausing = pauseExamInvalid = FALSE;
9290 startedFromSetupPosition = blackPlaysFirst = FALSE;
9292 whiteFlag = blackFlag = FALSE;
9293 userOfferedDraw = FALSE;
9294 hintRequested = bookRequested = FALSE;
9295 first.maybeThinking = FALSE;
9296 second.maybeThinking = FALSE;
9297 first.bookSuspend = FALSE; // [HGM] book
9298 second.bookSuspend = FALSE;
9299 thinkOutput[0] = NULLCHAR;
9300 lastHint[0] = NULLCHAR;
9301 ClearGameInfo(&gameInfo);
9302 gameInfo.variant = StringToVariant(appData.variant);
9303 ics_user_moved = ics_clock_paused = FALSE;
9304 ics_getting_history = H_FALSE;
9306 white_holding[0] = black_holding[0] = NULLCHAR;
9307 ClearProgramStats();
9308 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9312 flipView = appData.flipView;
9313 ClearPremoveHighlights();
9315 alarmSounded = FALSE;
9317 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9318 if(appData.serverMovesName != NULL) {
9319 /* [HGM] prepare to make moves file for broadcasting */
9320 clock_t t = clock();
9321 if(serverMoves != NULL) fclose(serverMoves);
9322 serverMoves = fopen(appData.serverMovesName, "r");
9323 if(serverMoves != NULL) {
9324 fclose(serverMoves);
9325 /* delay 15 sec before overwriting, so all clients can see end */
9326 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9328 serverMoves = fopen(appData.serverMovesName, "w");
9332 gameMode = BeginningOfGame;
9334 if(appData.icsActive) gameInfo.variant = VariantNormal;
9335 currentMove = forwardMostMove = backwardMostMove = 0;
9336 InitPosition(redraw);
9337 for (i = 0; i < MAX_MOVES; i++) {
9338 if (commentList[i] != NULL) {
9339 free(commentList[i]);
9340 commentList[i] = NULL;
9344 timeRemaining[0][0] = whiteTimeRemaining;
9345 timeRemaining[1][0] = blackTimeRemaining;
9346 if (first.pr == NULL) {
9347 StartChessProgram(&first);
9350 InitChessProgram(&first, startedFromSetupPosition);
9353 DisplayMessage("", "");
9354 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9355 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9362 if (!AutoPlayOneMove())
9364 if (matchMode || appData.timeDelay == 0)
9366 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9368 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9377 int fromX, fromY, toX, toY;
9379 if (appData.debugMode) {
9380 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9383 if (gameMode != PlayFromGameFile)
9386 if (currentMove >= forwardMostMove) {
9387 gameMode = EditGame;
9390 /* [AS] Clear current move marker at the end of a game */
9391 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9396 toX = moveList[currentMove][2] - AAA;
9397 toY = moveList[currentMove][3] - ONE;
9399 if (moveList[currentMove][1] == '@') {
9400 if (appData.highlightLastMove) {
9401 SetHighlights(-1, -1, toX, toY);
9404 fromX = moveList[currentMove][0] - AAA;
9405 fromY = moveList[currentMove][1] - ONE;
9407 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9409 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9411 if (appData.highlightLastMove) {
9412 SetHighlights(fromX, fromY, toX, toY);
9415 DisplayMove(currentMove);
9416 SendMoveToProgram(currentMove++, &first);
9417 DisplayBothClocks();
9418 DrawPosition(FALSE, boards[currentMove]);
9419 // [HGM] PV info: always display, routine tests if empty
9420 DisplayComment(currentMove - 1, commentList[currentMove]);
9426 LoadGameOneMove(readAhead)
9427 ChessMove readAhead;
9429 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9430 char promoChar = NULLCHAR;
9435 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9436 gameMode != AnalyzeMode && gameMode != Training) {
9441 yyboardindex = forwardMostMove;
9442 if (readAhead != (ChessMove)0) {
9443 moveType = readAhead;
9445 if (gameFileFP == NULL)
9447 moveType = (ChessMove) yylex();
9453 if (appData.debugMode)
9454 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9457 /* append the comment but don't display it */
9458 AppendComment(currentMove, p, FALSE);
9461 case WhiteCapturesEnPassant:
9462 case BlackCapturesEnPassant:
9463 case WhitePromotionChancellor:
9464 case BlackPromotionChancellor:
9465 case WhitePromotionArchbishop:
9466 case BlackPromotionArchbishop:
9467 case WhitePromotionCentaur:
9468 case BlackPromotionCentaur:
9469 case WhitePromotionQueen:
9470 case BlackPromotionQueen:
9471 case WhitePromotionRook:
9472 case BlackPromotionRook:
9473 case WhitePromotionBishop:
9474 case BlackPromotionBishop:
9475 case WhitePromotionKnight:
9476 case BlackPromotionKnight:
9477 case WhitePromotionKing:
9478 case BlackPromotionKing:
9480 case WhiteKingSideCastle:
9481 case WhiteQueenSideCastle:
9482 case BlackKingSideCastle:
9483 case BlackQueenSideCastle:
9484 case WhiteKingSideCastleWild:
9485 case WhiteQueenSideCastleWild:
9486 case BlackKingSideCastleWild:
9487 case BlackQueenSideCastleWild:
9489 case WhiteHSideCastleFR:
9490 case WhiteASideCastleFR:
9491 case BlackHSideCastleFR:
9492 case BlackASideCastleFR:
9494 if (appData.debugMode)
9495 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9496 fromX = currentMoveString[0] - AAA;
9497 fromY = currentMoveString[1] - ONE;
9498 toX = currentMoveString[2] - AAA;
9499 toY = currentMoveString[3] - ONE;
9500 promoChar = currentMoveString[4];
9505 if (appData.debugMode)
9506 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9507 fromX = moveType == WhiteDrop ?
9508 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9509 (int) CharToPiece(ToLower(currentMoveString[0]));
9511 toX = currentMoveString[2] - AAA;
9512 toY = currentMoveString[3] - ONE;
9518 case GameUnfinished:
9519 if (appData.debugMode)
9520 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9521 p = strchr(yy_text, '{');
9522 if (p == NULL) p = strchr(yy_text, '(');
9525 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9527 q = strchr(p, *p == '{' ? '}' : ')');
9528 if (q != NULL) *q = NULLCHAR;
9531 GameEnds(moveType, p, GE_FILE);
9533 if (cmailMsgLoaded) {
9535 flipView = WhiteOnMove(currentMove);
9536 if (moveType == GameUnfinished) flipView = !flipView;
9537 if (appData.debugMode)
9538 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9542 case (ChessMove) 0: /* end of file */
9543 if (appData.debugMode)
9544 fprintf(debugFP, "Parser hit end of file\n");
9545 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9551 if (WhiteOnMove(currentMove)) {
9552 GameEnds(BlackWins, "Black mates", GE_FILE);
9554 GameEnds(WhiteWins, "White mates", GE_FILE);
9558 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9565 if (lastLoadGameStart == GNUChessGame) {
9566 /* GNUChessGames have numbers, but they aren't move numbers */
9567 if (appData.debugMode)
9568 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9569 yy_text, (int) moveType);
9570 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9572 /* else fall thru */
9577 /* Reached start of next game in file */
9578 if (appData.debugMode)
9579 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9580 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9586 if (WhiteOnMove(currentMove)) {
9587 GameEnds(BlackWins, "Black mates", GE_FILE);
9589 GameEnds(WhiteWins, "White mates", GE_FILE);
9593 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9599 case PositionDiagram: /* should not happen; ignore */
9600 case ElapsedTime: /* ignore */
9601 case NAG: /* ignore */
9602 if (appData.debugMode)
9603 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9604 yy_text, (int) moveType);
9605 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9608 if (appData.testLegality) {
9609 if (appData.debugMode)
9610 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9611 sprintf(move, _("Illegal move: %d.%s%s"),
9612 (forwardMostMove / 2) + 1,
9613 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9614 DisplayError(move, 0);
9617 if (appData.debugMode)
9618 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9619 yy_text, currentMoveString);
9620 fromX = currentMoveString[0] - AAA;
9621 fromY = currentMoveString[1] - ONE;
9622 toX = currentMoveString[2] - AAA;
9623 toY = currentMoveString[3] - ONE;
9624 promoChar = currentMoveString[4];
9629 if (appData.debugMode)
9630 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9631 sprintf(move, _("Ambiguous move: %d.%s%s"),
9632 (forwardMostMove / 2) + 1,
9633 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9634 DisplayError(move, 0);
9639 case ImpossibleMove:
9640 if (appData.debugMode)
9641 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9642 sprintf(move, _("Illegal move: %d.%s%s"),
9643 (forwardMostMove / 2) + 1,
9644 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9645 DisplayError(move, 0);
9651 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9652 DrawPosition(FALSE, boards[currentMove]);
9653 DisplayBothClocks();
9654 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9655 DisplayComment(currentMove - 1, commentList[currentMove]);
9657 (void) StopLoadGameTimer();
9659 cmailOldMove = forwardMostMove;
9662 /* currentMoveString is set as a side-effect of yylex */
9663 strcat(currentMoveString, "\n");
9664 strcpy(moveList[forwardMostMove], currentMoveString);
9666 thinkOutput[0] = NULLCHAR;
9667 MakeMove(fromX, fromY, toX, toY, promoChar);
9668 currentMove = forwardMostMove;
9673 /* Load the nth game from the given file */
9675 LoadGameFromFile(filename, n, title, useList)
9679 /*Boolean*/ int useList;
9684 if (strcmp(filename, "-") == 0) {
9688 f = fopen(filename, "rb");
9690 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9691 DisplayError(buf, errno);
9695 if (fseek(f, 0, 0) == -1) {
9696 /* f is not seekable; probably a pipe */
9699 if (useList && n == 0) {
9700 int error = GameListBuild(f);
9702 DisplayError(_("Cannot build game list"), error);
9703 } else if (!ListEmpty(&gameList) &&
9704 ((ListGame *) gameList.tailPred)->number > 1) {
9705 GameListPopUp(f, title);
9712 return LoadGame(f, n, title, FALSE);
9717 MakeRegisteredMove()
9719 int fromX, fromY, toX, toY;
9721 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9722 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9725 if (appData.debugMode)
9726 fprintf(debugFP, "Restoring %s for game %d\n",
9727 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9729 thinkOutput[0] = NULLCHAR;
9730 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9731 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9732 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9733 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9734 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9735 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9736 MakeMove(fromX, fromY, toX, toY, promoChar);
9737 ShowMove(fromX, fromY, toX, toY);
9739 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9746 if (WhiteOnMove(currentMove)) {
9747 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9749 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9754 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9761 if (WhiteOnMove(currentMove)) {
9762 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9764 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9769 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9780 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9782 CmailLoadGame(f, gameNumber, title, useList)
9790 if (gameNumber > nCmailGames) {
9791 DisplayError(_("No more games in this message"), 0);
9794 if (f == lastLoadGameFP) {
9795 int offset = gameNumber - lastLoadGameNumber;
9797 cmailMsg[0] = NULLCHAR;
9798 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9799 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9800 nCmailMovesRegistered--;
9802 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9803 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9804 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9807 if (! RegisterMove()) return FALSE;
9811 retVal = LoadGame(f, gameNumber, title, useList);
9813 /* Make move registered during previous look at this game, if any */
9814 MakeRegisteredMove();
9816 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9817 commentList[currentMove]
9818 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9819 DisplayComment(currentMove - 1, commentList[currentMove]);
9825 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9830 int gameNumber = lastLoadGameNumber + offset;
9831 if (lastLoadGameFP == NULL) {
9832 DisplayError(_("No game has been loaded yet"), 0);
9835 if (gameNumber <= 0) {
9836 DisplayError(_("Can't back up any further"), 0);
9839 if (cmailMsgLoaded) {
9840 return CmailLoadGame(lastLoadGameFP, gameNumber,
9841 lastLoadGameTitle, lastLoadGameUseList);
9843 return LoadGame(lastLoadGameFP, gameNumber,
9844 lastLoadGameTitle, lastLoadGameUseList);
9850 /* Load the nth game from open file f */
9852 LoadGame(f, gameNumber, title, useList)
9860 int gn = gameNumber;
9861 ListGame *lg = NULL;
9864 GameMode oldGameMode;
9865 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9867 if (appData.debugMode)
9868 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9870 if (gameMode == Training )
9871 SetTrainingModeOff();
9873 oldGameMode = gameMode;
9874 if (gameMode != BeginningOfGame) {
9879 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9880 fclose(lastLoadGameFP);
9884 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9887 fseek(f, lg->offset, 0);
9888 GameListHighlight(gameNumber);
9892 DisplayError(_("Game number out of range"), 0);
9897 if (fseek(f, 0, 0) == -1) {
9898 if (f == lastLoadGameFP ?
9899 gameNumber == lastLoadGameNumber + 1 :
9903 DisplayError(_("Can't seek on game file"), 0);
9909 lastLoadGameNumber = gameNumber;
9910 strcpy(lastLoadGameTitle, title);
9911 lastLoadGameUseList = useList;
9915 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9916 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9917 lg->gameInfo.black);
9919 } else if (*title != NULLCHAR) {
9920 if (gameNumber > 1) {
9921 sprintf(buf, "%s %d", title, gameNumber);
9924 DisplayTitle(title);
9928 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9929 gameMode = PlayFromGameFile;
9933 currentMove = forwardMostMove = backwardMostMove = 0;
9934 CopyBoard(boards[0], initialPosition);
9938 * Skip the first gn-1 games in the file.
9939 * Also skip over anything that precedes an identifiable
9940 * start of game marker, to avoid being confused by
9941 * garbage at the start of the file. Currently
9942 * recognized start of game markers are the move number "1",
9943 * the pattern "gnuchess .* game", the pattern
9944 * "^[#;%] [^ ]* game file", and a PGN tag block.
9945 * A game that starts with one of the latter two patterns
9946 * will also have a move number 1, possibly
9947 * following a position diagram.
9948 * 5-4-02: Let's try being more lenient and allowing a game to
9949 * start with an unnumbered move. Does that break anything?
9951 cm = lastLoadGameStart = (ChessMove) 0;
9953 yyboardindex = forwardMostMove;
9954 cm = (ChessMove) yylex();
9957 if (cmailMsgLoaded) {
9958 nCmailGames = CMAIL_MAX_GAMES - gn;
9961 DisplayError(_("Game not found in file"), 0);
9968 lastLoadGameStart = cm;
9972 switch (lastLoadGameStart) {
9979 gn--; /* count this game */
9980 lastLoadGameStart = cm;
9989 switch (lastLoadGameStart) {
9994 gn--; /* count this game */
9995 lastLoadGameStart = cm;
9998 lastLoadGameStart = cm; /* game counted already */
10006 yyboardindex = forwardMostMove;
10007 cm = (ChessMove) yylex();
10008 } while (cm == PGNTag || cm == Comment);
10015 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10016 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10017 != CMAIL_OLD_RESULT) {
10019 cmailResult[ CMAIL_MAX_GAMES
10020 - gn - 1] = CMAIL_OLD_RESULT;
10026 /* Only a NormalMove can be at the start of a game
10027 * without a position diagram. */
10028 if (lastLoadGameStart == (ChessMove) 0) {
10030 lastLoadGameStart = MoveNumberOne;
10039 if (appData.debugMode)
10040 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10042 if (cm == XBoardGame) {
10043 /* Skip any header junk before position diagram and/or move 1 */
10045 yyboardindex = forwardMostMove;
10046 cm = (ChessMove) yylex();
10048 if (cm == (ChessMove) 0 ||
10049 cm == GNUChessGame || cm == XBoardGame) {
10050 /* Empty game; pretend end-of-file and handle later */
10051 cm = (ChessMove) 0;
10055 if (cm == MoveNumberOne || cm == PositionDiagram ||
10056 cm == PGNTag || cm == Comment)
10059 } else if (cm == GNUChessGame) {
10060 if (gameInfo.event != NULL) {
10061 free(gameInfo.event);
10063 gameInfo.event = StrSave(yy_text);
10066 startedFromSetupPosition = FALSE;
10067 while (cm == PGNTag) {
10068 if (appData.debugMode)
10069 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10070 err = ParsePGNTag(yy_text, &gameInfo);
10071 if (!err) numPGNTags++;
10073 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10074 if(gameInfo.variant != oldVariant) {
10075 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10076 InitPosition(TRUE);
10077 oldVariant = gameInfo.variant;
10078 if (appData.debugMode)
10079 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10083 if (gameInfo.fen != NULL) {
10084 Board initial_position;
10085 startedFromSetupPosition = TRUE;
10086 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10088 DisplayError(_("Bad FEN position in file"), 0);
10091 CopyBoard(boards[0], initial_position);
10092 if (blackPlaysFirst) {
10093 currentMove = forwardMostMove = backwardMostMove = 1;
10094 CopyBoard(boards[1], initial_position);
10095 strcpy(moveList[0], "");
10096 strcpy(parseList[0], "");
10097 timeRemaining[0][1] = whiteTimeRemaining;
10098 timeRemaining[1][1] = blackTimeRemaining;
10099 if (commentList[0] != NULL) {
10100 commentList[1] = commentList[0];
10101 commentList[0] = NULL;
10104 currentMove = forwardMostMove = backwardMostMove = 0;
10106 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10108 initialRulePlies = FENrulePlies;
10109 for( i=0; i< nrCastlingRights; i++ )
10110 initialRights[i] = initial_position[CASTLING][i];
10112 yyboardindex = forwardMostMove;
10113 free(gameInfo.fen);
10114 gameInfo.fen = NULL;
10117 yyboardindex = forwardMostMove;
10118 cm = (ChessMove) yylex();
10120 /* Handle comments interspersed among the tags */
10121 while (cm == Comment) {
10123 if (appData.debugMode)
10124 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10126 AppendComment(currentMove, p, FALSE);
10127 yyboardindex = forwardMostMove;
10128 cm = (ChessMove) yylex();
10132 /* don't rely on existence of Event tag since if game was
10133 * pasted from clipboard the Event tag may not exist
10135 if (numPGNTags > 0){
10137 if (gameInfo.variant == VariantNormal) {
10138 gameInfo.variant = StringToVariant(gameInfo.event);
10141 if( appData.autoDisplayTags ) {
10142 tags = PGNTags(&gameInfo);
10143 TagsPopUp(tags, CmailMsg());
10148 /* Make something up, but don't display it now */
10153 if (cm == PositionDiagram) {
10156 Board initial_position;
10158 if (appData.debugMode)
10159 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10161 if (!startedFromSetupPosition) {
10163 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10164 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10174 initial_position[i][j++] = CharToPiece(*p);
10177 while (*p == ' ' || *p == '\t' ||
10178 *p == '\n' || *p == '\r') p++;
10180 if (strncmp(p, "black", strlen("black"))==0)
10181 blackPlaysFirst = TRUE;
10183 blackPlaysFirst = FALSE;
10184 startedFromSetupPosition = TRUE;
10186 CopyBoard(boards[0], initial_position);
10187 if (blackPlaysFirst) {
10188 currentMove = forwardMostMove = backwardMostMove = 1;
10189 CopyBoard(boards[1], initial_position);
10190 strcpy(moveList[0], "");
10191 strcpy(parseList[0], "");
10192 timeRemaining[0][1] = whiteTimeRemaining;
10193 timeRemaining[1][1] = blackTimeRemaining;
10194 if (commentList[0] != NULL) {
10195 commentList[1] = commentList[0];
10196 commentList[0] = NULL;
10199 currentMove = forwardMostMove = backwardMostMove = 0;
10202 yyboardindex = forwardMostMove;
10203 cm = (ChessMove) yylex();
10206 if (first.pr == NoProc) {
10207 StartChessProgram(&first);
10209 InitChessProgram(&first, FALSE);
10210 SendToProgram("force\n", &first);
10211 if (startedFromSetupPosition) {
10212 SendBoard(&first, forwardMostMove);
10213 if (appData.debugMode) {
10214 fprintf(debugFP, "Load Game\n");
10216 DisplayBothClocks();
10219 /* [HGM] server: flag to write setup moves in broadcast file as one */
10220 loadFlag = appData.suppressLoadMoves;
10222 while (cm == Comment) {
10224 if (appData.debugMode)
10225 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10227 AppendComment(currentMove, p, FALSE);
10228 yyboardindex = forwardMostMove;
10229 cm = (ChessMove) yylex();
10232 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10233 cm == WhiteWins || cm == BlackWins ||
10234 cm == GameIsDrawn || cm == GameUnfinished) {
10235 DisplayMessage("", _("No moves in game"));
10236 if (cmailMsgLoaded) {
10237 if (appData.debugMode)
10238 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10242 DrawPosition(FALSE, boards[currentMove]);
10243 DisplayBothClocks();
10244 gameMode = EditGame;
10251 // [HGM] PV info: routine tests if comment empty
10252 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10253 DisplayComment(currentMove - 1, commentList[currentMove]);
10255 if (!matchMode && appData.timeDelay != 0)
10256 DrawPosition(FALSE, boards[currentMove]);
10258 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10259 programStats.ok_to_send = 1;
10262 /* if the first token after the PGN tags is a move
10263 * and not move number 1, retrieve it from the parser
10265 if (cm != MoveNumberOne)
10266 LoadGameOneMove(cm);
10268 /* load the remaining moves from the file */
10269 while (LoadGameOneMove((ChessMove)0)) {
10270 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10271 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10274 /* rewind to the start of the game */
10275 currentMove = backwardMostMove;
10277 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10279 if (oldGameMode == AnalyzeFile ||
10280 oldGameMode == AnalyzeMode) {
10281 AnalyzeFileEvent();
10284 if (matchMode || appData.timeDelay == 0) {
10286 gameMode = EditGame;
10288 } else if (appData.timeDelay > 0) {
10289 AutoPlayGameLoop();
10292 if (appData.debugMode)
10293 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10295 loadFlag = 0; /* [HGM] true game starts */
10299 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10301 ReloadPosition(offset)
10304 int positionNumber = lastLoadPositionNumber + offset;
10305 if (lastLoadPositionFP == NULL) {
10306 DisplayError(_("No position has been loaded yet"), 0);
10309 if (positionNumber <= 0) {
10310 DisplayError(_("Can't back up any further"), 0);
10313 return LoadPosition(lastLoadPositionFP, positionNumber,
10314 lastLoadPositionTitle);
10317 /* Load the nth position from the given file */
10319 LoadPositionFromFile(filename, n, title)
10327 if (strcmp(filename, "-") == 0) {
10328 return LoadPosition(stdin, n, "stdin");
10330 f = fopen(filename, "rb");
10332 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10333 DisplayError(buf, errno);
10336 return LoadPosition(f, n, title);
10341 /* Load the nth position from the given open file, and close it */
10343 LoadPosition(f, positionNumber, title)
10345 int positionNumber;
10348 char *p, line[MSG_SIZ];
10349 Board initial_position;
10350 int i, j, fenMode, pn;
10352 if (gameMode == Training )
10353 SetTrainingModeOff();
10355 if (gameMode != BeginningOfGame) {
10356 Reset(FALSE, TRUE);
10358 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10359 fclose(lastLoadPositionFP);
10361 if (positionNumber == 0) positionNumber = 1;
10362 lastLoadPositionFP = f;
10363 lastLoadPositionNumber = positionNumber;
10364 strcpy(lastLoadPositionTitle, title);
10365 if (first.pr == NoProc) {
10366 StartChessProgram(&first);
10367 InitChessProgram(&first, FALSE);
10369 pn = positionNumber;
10370 if (positionNumber < 0) {
10371 /* Negative position number means to seek to that byte offset */
10372 if (fseek(f, -positionNumber, 0) == -1) {
10373 DisplayError(_("Can't seek on position file"), 0);
10378 if (fseek(f, 0, 0) == -1) {
10379 if (f == lastLoadPositionFP ?
10380 positionNumber == lastLoadPositionNumber + 1 :
10381 positionNumber == 1) {
10384 DisplayError(_("Can't seek on position file"), 0);
10389 /* See if this file is FEN or old-style xboard */
10390 if (fgets(line, MSG_SIZ, f) == NULL) {
10391 DisplayError(_("Position not found in file"), 0);
10394 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10395 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10398 if (fenMode || line[0] == '#') pn--;
10400 /* skip positions before number pn */
10401 if (fgets(line, MSG_SIZ, f) == NULL) {
10403 DisplayError(_("Position not found in file"), 0);
10406 if (fenMode || line[0] == '#') pn--;
10411 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10412 DisplayError(_("Bad FEN position in file"), 0);
10416 (void) fgets(line, MSG_SIZ, f);
10417 (void) fgets(line, MSG_SIZ, f);
10419 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10420 (void) fgets(line, MSG_SIZ, f);
10421 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10424 initial_position[i][j++] = CharToPiece(*p);
10428 blackPlaysFirst = FALSE;
10430 (void) fgets(line, MSG_SIZ, f);
10431 if (strncmp(line, "black", strlen("black"))==0)
10432 blackPlaysFirst = TRUE;
10435 startedFromSetupPosition = TRUE;
10437 SendToProgram("force\n", &first);
10438 CopyBoard(boards[0], initial_position);
10439 if (blackPlaysFirst) {
10440 currentMove = forwardMostMove = backwardMostMove = 1;
10441 strcpy(moveList[0], "");
10442 strcpy(parseList[0], "");
10443 CopyBoard(boards[1], initial_position);
10444 DisplayMessage("", _("Black to play"));
10446 currentMove = forwardMostMove = backwardMostMove = 0;
10447 DisplayMessage("", _("White to play"));
10449 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10450 SendBoard(&first, forwardMostMove);
10451 if (appData.debugMode) {
10453 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10454 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10455 fprintf(debugFP, "Load Position\n");
10458 if (positionNumber > 1) {
10459 sprintf(line, "%s %d", title, positionNumber);
10460 DisplayTitle(line);
10462 DisplayTitle(title);
10464 gameMode = EditGame;
10467 timeRemaining[0][1] = whiteTimeRemaining;
10468 timeRemaining[1][1] = blackTimeRemaining;
10469 DrawPosition(FALSE, boards[currentMove]);
10476 CopyPlayerNameIntoFileName(dest, src)
10479 while (*src != NULLCHAR && *src != ',') {
10484 *(*dest)++ = *src++;
10489 char *DefaultFileName(ext)
10492 static char def[MSG_SIZ];
10495 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10497 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10499 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10508 /* Save the current game to the given file */
10510 SaveGameToFile(filename, append)
10517 if (strcmp(filename, "-") == 0) {
10518 return SaveGame(stdout, 0, NULL);
10520 f = fopen(filename, append ? "a" : "w");
10522 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10523 DisplayError(buf, errno);
10526 return SaveGame(f, 0, NULL);
10535 static char buf[MSG_SIZ];
10538 p = strchr(str, ' ');
10539 if (p == NULL) return str;
10540 strncpy(buf, str, p - str);
10541 buf[p - str] = NULLCHAR;
10545 #define PGN_MAX_LINE 75
10547 #define PGN_SIDE_WHITE 0
10548 #define PGN_SIDE_BLACK 1
10551 static int FindFirstMoveOutOfBook( int side )
10555 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10556 int index = backwardMostMove;
10557 int has_book_hit = 0;
10559 if( (index % 2) != side ) {
10563 while( index < forwardMostMove ) {
10564 /* Check to see if engine is in book */
10565 int depth = pvInfoList[index].depth;
10566 int score = pvInfoList[index].score;
10572 else if( score == 0 && depth == 63 ) {
10573 in_book = 1; /* Zappa */
10575 else if( score == 2 && depth == 99 ) {
10576 in_book = 1; /* Abrok */
10579 has_book_hit += in_book;
10595 void GetOutOfBookInfo( char * buf )
10599 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10601 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10602 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10606 if( oob[0] >= 0 || oob[1] >= 0 ) {
10607 for( i=0; i<2; i++ ) {
10611 if( i > 0 && oob[0] >= 0 ) {
10612 strcat( buf, " " );
10615 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10616 sprintf( buf+strlen(buf), "%s%.2f",
10617 pvInfoList[idx].score >= 0 ? "+" : "",
10618 pvInfoList[idx].score / 100.0 );
10624 /* Save game in PGN style and close the file */
10629 int i, offset, linelen, newblock;
10633 int movelen, numlen, blank;
10634 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10636 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10638 tm = time((time_t *) NULL);
10640 PrintPGNTags(f, &gameInfo);
10642 if (backwardMostMove > 0 || startedFromSetupPosition) {
10643 char *fen = PositionToFEN(backwardMostMove, NULL);
10644 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10645 fprintf(f, "\n{--------------\n");
10646 PrintPosition(f, backwardMostMove);
10647 fprintf(f, "--------------}\n");
10651 /* [AS] Out of book annotation */
10652 if( appData.saveOutOfBookInfo ) {
10655 GetOutOfBookInfo( buf );
10657 if( buf[0] != '\0' ) {
10658 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10665 i = backwardMostMove;
10669 while (i < forwardMostMove) {
10670 /* Print comments preceding this move */
10671 if (commentList[i] != NULL) {
10672 if (linelen > 0) fprintf(f, "\n");
10673 fprintf(f, "%s", commentList[i]);
10678 /* Format move number */
10679 if ((i % 2) == 0) {
10680 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10683 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10685 numtext[0] = NULLCHAR;
10688 numlen = strlen(numtext);
10691 /* Print move number */
10692 blank = linelen > 0 && numlen > 0;
10693 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10702 fprintf(f, "%s", numtext);
10706 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10707 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10710 blank = linelen > 0 && movelen > 0;
10711 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10720 fprintf(f, "%s", move_buffer);
10721 linelen += movelen;
10723 /* [AS] Add PV info if present */
10724 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10725 /* [HGM] add time */
10726 char buf[MSG_SIZ]; int seconds;
10728 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10730 if( seconds <= 0) buf[0] = 0; else
10731 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10732 seconds = (seconds + 4)/10; // round to full seconds
10733 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10734 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10737 sprintf( move_buffer, "{%s%.2f/%d%s}",
10738 pvInfoList[i].score >= 0 ? "+" : "",
10739 pvInfoList[i].score / 100.0,
10740 pvInfoList[i].depth,
10743 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10745 /* Print score/depth */
10746 blank = linelen > 0 && movelen > 0;
10747 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10756 fprintf(f, "%s", move_buffer);
10757 linelen += movelen;
10763 /* Start a new line */
10764 if (linelen > 0) fprintf(f, "\n");
10766 /* Print comments after last move */
10767 if (commentList[i] != NULL) {
10768 fprintf(f, "%s\n", commentList[i]);
10772 if (gameInfo.resultDetails != NULL &&
10773 gameInfo.resultDetails[0] != NULLCHAR) {
10774 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10775 PGNResult(gameInfo.result));
10777 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10781 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10785 /* Save game in old style and close the file */
10787 SaveGameOldStyle(f)
10793 tm = time((time_t *) NULL);
10795 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10798 if (backwardMostMove > 0 || startedFromSetupPosition) {
10799 fprintf(f, "\n[--------------\n");
10800 PrintPosition(f, backwardMostMove);
10801 fprintf(f, "--------------]\n");
10806 i = backwardMostMove;
10807 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10809 while (i < forwardMostMove) {
10810 if (commentList[i] != NULL) {
10811 fprintf(f, "[%s]\n", commentList[i]);
10814 if ((i % 2) == 1) {
10815 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10818 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10820 if (commentList[i] != NULL) {
10824 if (i >= forwardMostMove) {
10828 fprintf(f, "%s\n", parseList[i]);
10833 if (commentList[i] != NULL) {
10834 fprintf(f, "[%s]\n", commentList[i]);
10837 /* This isn't really the old style, but it's close enough */
10838 if (gameInfo.resultDetails != NULL &&
10839 gameInfo.resultDetails[0] != NULLCHAR) {
10840 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10841 gameInfo.resultDetails);
10843 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10850 /* Save the current game to open file f and close the file */
10852 SaveGame(f, dummy, dummy2)
10857 if (gameMode == EditPosition) EditPositionDone(TRUE);
10858 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10859 if (appData.oldSaveStyle)
10860 return SaveGameOldStyle(f);
10862 return SaveGamePGN(f);
10865 /* Save the current position to the given file */
10867 SavePositionToFile(filename)
10873 if (strcmp(filename, "-") == 0) {
10874 return SavePosition(stdout, 0, NULL);
10876 f = fopen(filename, "a");
10878 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10879 DisplayError(buf, errno);
10882 SavePosition(f, 0, NULL);
10888 /* Save the current position to the given open file and close the file */
10890 SavePosition(f, dummy, dummy2)
10898 if (gameMode == EditPosition) EditPositionDone(TRUE);
10899 if (appData.oldSaveStyle) {
10900 tm = time((time_t *) NULL);
10902 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10904 fprintf(f, "[--------------\n");
10905 PrintPosition(f, currentMove);
10906 fprintf(f, "--------------]\n");
10908 fen = PositionToFEN(currentMove, NULL);
10909 fprintf(f, "%s\n", fen);
10917 ReloadCmailMsgEvent(unregister)
10921 static char *inFilename = NULL;
10922 static char *outFilename;
10924 struct stat inbuf, outbuf;
10927 /* Any registered moves are unregistered if unregister is set, */
10928 /* i.e. invoked by the signal handler */
10930 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10931 cmailMoveRegistered[i] = FALSE;
10932 if (cmailCommentList[i] != NULL) {
10933 free(cmailCommentList[i]);
10934 cmailCommentList[i] = NULL;
10937 nCmailMovesRegistered = 0;
10940 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10941 cmailResult[i] = CMAIL_NOT_RESULT;
10945 if (inFilename == NULL) {
10946 /* Because the filenames are static they only get malloced once */
10947 /* and they never get freed */
10948 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10949 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10951 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10952 sprintf(outFilename, "%s.out", appData.cmailGameName);
10955 status = stat(outFilename, &outbuf);
10957 cmailMailedMove = FALSE;
10959 status = stat(inFilename, &inbuf);
10960 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10963 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10964 counts the games, notes how each one terminated, etc.
10966 It would be nice to remove this kludge and instead gather all
10967 the information while building the game list. (And to keep it
10968 in the game list nodes instead of having a bunch of fixed-size
10969 parallel arrays.) Note this will require getting each game's
10970 termination from the PGN tags, as the game list builder does
10971 not process the game moves. --mann
10973 cmailMsgLoaded = TRUE;
10974 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10976 /* Load first game in the file or popup game menu */
10977 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10979 #endif /* !WIN32 */
10987 char string[MSG_SIZ];
10989 if ( cmailMailedMove
10990 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10991 return TRUE; /* Allow free viewing */
10994 /* Unregister move to ensure that we don't leave RegisterMove */
10995 /* with the move registered when the conditions for registering no */
10997 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10998 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10999 nCmailMovesRegistered --;
11001 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11003 free(cmailCommentList[lastLoadGameNumber - 1]);
11004 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11008 if (cmailOldMove == -1) {
11009 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11013 if (currentMove > cmailOldMove + 1) {
11014 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11018 if (currentMove < cmailOldMove) {
11019 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11023 if (forwardMostMove > currentMove) {
11024 /* Silently truncate extra moves */
11028 if ( (currentMove == cmailOldMove + 1)
11029 || ( (currentMove == cmailOldMove)
11030 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11031 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11032 if (gameInfo.result != GameUnfinished) {
11033 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11036 if (commentList[currentMove] != NULL) {
11037 cmailCommentList[lastLoadGameNumber - 1]
11038 = StrSave(commentList[currentMove]);
11040 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11042 if (appData.debugMode)
11043 fprintf(debugFP, "Saving %s for game %d\n",
11044 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11047 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11049 f = fopen(string, "w");
11050 if (appData.oldSaveStyle) {
11051 SaveGameOldStyle(f); /* also closes the file */
11053 sprintf(string, "%s.pos.out", appData.cmailGameName);
11054 f = fopen(string, "w");
11055 SavePosition(f, 0, NULL); /* also closes the file */
11057 fprintf(f, "{--------------\n");
11058 PrintPosition(f, currentMove);
11059 fprintf(f, "--------------}\n\n");
11061 SaveGame(f, 0, NULL); /* also closes the file*/
11064 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11065 nCmailMovesRegistered ++;
11066 } else if (nCmailGames == 1) {
11067 DisplayError(_("You have not made a move yet"), 0);
11078 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11079 FILE *commandOutput;
11080 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11081 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11087 if (! cmailMsgLoaded) {
11088 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11092 if (nCmailGames == nCmailResults) {
11093 DisplayError(_("No unfinished games"), 0);
11097 #if CMAIL_PROHIBIT_REMAIL
11098 if (cmailMailedMove) {
11099 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);
11100 DisplayError(msg, 0);
11105 if (! (cmailMailedMove || RegisterMove())) return;
11107 if ( cmailMailedMove
11108 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11109 sprintf(string, partCommandString,
11110 appData.debugMode ? " -v" : "", appData.cmailGameName);
11111 commandOutput = popen(string, "r");
11113 if (commandOutput == NULL) {
11114 DisplayError(_("Failed to invoke cmail"), 0);
11116 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11117 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11119 if (nBuffers > 1) {
11120 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11121 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11122 nBytes = MSG_SIZ - 1;
11124 (void) memcpy(msg, buffer, nBytes);
11126 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11128 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11129 cmailMailedMove = TRUE; /* Prevent >1 moves */
11132 for (i = 0; i < nCmailGames; i ++) {
11133 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11138 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11140 sprintf(buffer, "%s/%s.%s.archive",
11142 appData.cmailGameName,
11144 LoadGameFromFile(buffer, 1, buffer, FALSE);
11145 cmailMsgLoaded = FALSE;
11149 DisplayInformation(msg);
11150 pclose(commandOutput);
11153 if ((*cmailMsg) != '\0') {
11154 DisplayInformation(cmailMsg);
11159 #endif /* !WIN32 */
11168 int prependComma = 0;
11170 char string[MSG_SIZ]; /* Space for game-list */
11173 if (!cmailMsgLoaded) return "";
11175 if (cmailMailedMove) {
11176 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11178 /* Create a list of games left */
11179 sprintf(string, "[");
11180 for (i = 0; i < nCmailGames; i ++) {
11181 if (! ( cmailMoveRegistered[i]
11182 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11183 if (prependComma) {
11184 sprintf(number, ",%d", i + 1);
11186 sprintf(number, "%d", i + 1);
11190 strcat(string, number);
11193 strcat(string, "]");
11195 if (nCmailMovesRegistered + nCmailResults == 0) {
11196 switch (nCmailGames) {
11199 _("Still need to make move for game\n"));
11204 _("Still need to make moves for both games\n"));
11209 _("Still need to make moves for all %d games\n"),
11214 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11217 _("Still need to make a move for game %s\n"),
11222 if (nCmailResults == nCmailGames) {
11223 sprintf(cmailMsg, _("No unfinished games\n"));
11225 sprintf(cmailMsg, _("Ready to send mail\n"));
11231 _("Still need to make moves for games %s\n"),
11243 if (gameMode == Training)
11244 SetTrainingModeOff();
11247 cmailMsgLoaded = FALSE;
11248 if (appData.icsActive) {
11249 SendToICS(ics_prefix);
11250 SendToICS("refresh\n");
11260 /* Give up on clean exit */
11264 /* Keep trying for clean exit */
11268 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11270 if (telnetISR != NULL) {
11271 RemoveInputSource(telnetISR);
11273 if (icsPR != NoProc) {
11274 DestroyChildProcess(icsPR, TRUE);
11277 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11278 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11280 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11281 /* make sure this other one finishes before killing it! */
11282 if(endingGame) { int count = 0;
11283 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11284 while(endingGame && count++ < 10) DoSleep(1);
11285 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11288 /* Kill off chess programs */
11289 if (first.pr != NoProc) {
11292 DoSleep( appData.delayBeforeQuit );
11293 SendToProgram("quit\n", &first);
11294 DoSleep( appData.delayAfterQuit );
11295 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11297 if (second.pr != NoProc) {
11298 DoSleep( appData.delayBeforeQuit );
11299 SendToProgram("quit\n", &second);
11300 DoSleep( appData.delayAfterQuit );
11301 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11303 if (first.isr != NULL) {
11304 RemoveInputSource(first.isr);
11306 if (second.isr != NULL) {
11307 RemoveInputSource(second.isr);
11310 ShutDownFrontEnd();
11317 if (appData.debugMode)
11318 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11322 if (gameMode == MachinePlaysWhite ||
11323 gameMode == MachinePlaysBlack) {
11326 DisplayBothClocks();
11328 if (gameMode == PlayFromGameFile) {
11329 if (appData.timeDelay >= 0)
11330 AutoPlayGameLoop();
11331 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11332 Reset(FALSE, TRUE);
11333 SendToICS(ics_prefix);
11334 SendToICS("refresh\n");
11335 } else if (currentMove < forwardMostMove) {
11336 ForwardInner(forwardMostMove);
11338 pauseExamInvalid = FALSE;
11340 switch (gameMode) {
11344 pauseExamForwardMostMove = forwardMostMove;
11345 pauseExamInvalid = FALSE;
11348 case IcsPlayingWhite:
11349 case IcsPlayingBlack:
11353 case PlayFromGameFile:
11354 (void) StopLoadGameTimer();
11358 case BeginningOfGame:
11359 if (appData.icsActive) return;
11360 /* else fall through */
11361 case MachinePlaysWhite:
11362 case MachinePlaysBlack:
11363 case TwoMachinesPlay:
11364 if (forwardMostMove == 0)
11365 return; /* don't pause if no one has moved */
11366 if ((gameMode == MachinePlaysWhite &&
11367 !WhiteOnMove(forwardMostMove)) ||
11368 (gameMode == MachinePlaysBlack &&
11369 WhiteOnMove(forwardMostMove))) {
11382 char title[MSG_SIZ];
11384 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11385 strcpy(title, _("Edit comment"));
11387 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11388 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11389 parseList[currentMove - 1]);
11392 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11399 char *tags = PGNTags(&gameInfo);
11400 EditTagsPopUp(tags);
11407 if (appData.noChessProgram || gameMode == AnalyzeMode)
11410 if (gameMode != AnalyzeFile) {
11411 if (!appData.icsEngineAnalyze) {
11413 if (gameMode != EditGame) return;
11415 ResurrectChessProgram();
11416 SendToProgram("analyze\n", &first);
11417 first.analyzing = TRUE;
11418 /*first.maybeThinking = TRUE;*/
11419 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11420 EngineOutputPopUp();
11422 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11427 StartAnalysisClock();
11428 GetTimeMark(&lastNodeCountTime);
11435 if (appData.noChessProgram || gameMode == AnalyzeFile)
11438 if (gameMode != AnalyzeMode) {
11440 if (gameMode != EditGame) return;
11441 ResurrectChessProgram();
11442 SendToProgram("analyze\n", &first);
11443 first.analyzing = TRUE;
11444 /*first.maybeThinking = TRUE;*/
11445 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11446 EngineOutputPopUp();
11448 gameMode = AnalyzeFile;
11453 StartAnalysisClock();
11454 GetTimeMark(&lastNodeCountTime);
11459 MachineWhiteEvent()
11462 char *bookHit = NULL;
11464 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11468 if (gameMode == PlayFromGameFile ||
11469 gameMode == TwoMachinesPlay ||
11470 gameMode == Training ||
11471 gameMode == AnalyzeMode ||
11472 gameMode == EndOfGame)
11475 if (gameMode == EditPosition)
11476 EditPositionDone(TRUE);
11478 if (!WhiteOnMove(currentMove)) {
11479 DisplayError(_("It is not White's turn"), 0);
11483 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11486 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11487 gameMode == AnalyzeFile)
11490 ResurrectChessProgram(); /* in case it isn't running */
11491 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11492 gameMode = MachinePlaysWhite;
11495 gameMode = MachinePlaysWhite;
11499 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11501 if (first.sendName) {
11502 sprintf(buf, "name %s\n", gameInfo.black);
11503 SendToProgram(buf, &first);
11505 if (first.sendTime) {
11506 if (first.useColors) {
11507 SendToProgram("black\n", &first); /*gnu kludge*/
11509 SendTimeRemaining(&first, TRUE);
11511 if (first.useColors) {
11512 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11514 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11515 SetMachineThinkingEnables();
11516 first.maybeThinking = TRUE;
11520 if (appData.autoFlipView && !flipView) {
11521 flipView = !flipView;
11522 DrawPosition(FALSE, NULL);
11523 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11526 if(bookHit) { // [HGM] book: simulate book reply
11527 static char bookMove[MSG_SIZ]; // a bit generous?
11529 programStats.nodes = programStats.depth = programStats.time =
11530 programStats.score = programStats.got_only_move = 0;
11531 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11533 strcpy(bookMove, "move ");
11534 strcat(bookMove, bookHit);
11535 HandleMachineMove(bookMove, &first);
11540 MachineBlackEvent()
11543 char *bookHit = NULL;
11545 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11549 if (gameMode == PlayFromGameFile ||
11550 gameMode == TwoMachinesPlay ||
11551 gameMode == Training ||
11552 gameMode == AnalyzeMode ||
11553 gameMode == EndOfGame)
11556 if (gameMode == EditPosition)
11557 EditPositionDone(TRUE);
11559 if (WhiteOnMove(currentMove)) {
11560 DisplayError(_("It is not Black's turn"), 0);
11564 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11567 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11568 gameMode == AnalyzeFile)
11571 ResurrectChessProgram(); /* in case it isn't running */
11572 gameMode = MachinePlaysBlack;
11576 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11578 if (first.sendName) {
11579 sprintf(buf, "name %s\n", gameInfo.white);
11580 SendToProgram(buf, &first);
11582 if (first.sendTime) {
11583 if (first.useColors) {
11584 SendToProgram("white\n", &first); /*gnu kludge*/
11586 SendTimeRemaining(&first, FALSE);
11588 if (first.useColors) {
11589 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11591 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11592 SetMachineThinkingEnables();
11593 first.maybeThinking = TRUE;
11596 if (appData.autoFlipView && flipView) {
11597 flipView = !flipView;
11598 DrawPosition(FALSE, NULL);
11599 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11601 if(bookHit) { // [HGM] book: simulate book reply
11602 static char bookMove[MSG_SIZ]; // a bit generous?
11604 programStats.nodes = programStats.depth = programStats.time =
11605 programStats.score = programStats.got_only_move = 0;
11606 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11608 strcpy(bookMove, "move ");
11609 strcat(bookMove, bookHit);
11610 HandleMachineMove(bookMove, &first);
11616 DisplayTwoMachinesTitle()
11619 if (appData.matchGames > 0) {
11620 if (first.twoMachinesColor[0] == 'w') {
11621 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11622 gameInfo.white, gameInfo.black,
11623 first.matchWins, second.matchWins,
11624 matchGame - 1 - (first.matchWins + second.matchWins));
11626 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11627 gameInfo.white, gameInfo.black,
11628 second.matchWins, first.matchWins,
11629 matchGame - 1 - (first.matchWins + second.matchWins));
11632 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11638 TwoMachinesEvent P((void))
11642 ChessProgramState *onmove;
11643 char *bookHit = NULL;
11645 if (appData.noChessProgram) return;
11647 switch (gameMode) {
11648 case TwoMachinesPlay:
11650 case MachinePlaysWhite:
11651 case MachinePlaysBlack:
11652 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11653 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11657 case BeginningOfGame:
11658 case PlayFromGameFile:
11661 if (gameMode != EditGame) return;
11664 EditPositionDone(TRUE);
11675 // forwardMostMove = currentMove;
11676 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11677 ResurrectChessProgram(); /* in case first program isn't running */
11679 if (second.pr == NULL) {
11680 StartChessProgram(&second);
11681 if (second.protocolVersion == 1) {
11682 TwoMachinesEventIfReady();
11684 /* kludge: allow timeout for initial "feature" command */
11686 DisplayMessage("", _("Starting second chess program"));
11687 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11691 DisplayMessage("", "");
11692 InitChessProgram(&second, FALSE);
11693 SendToProgram("force\n", &second);
11694 if (startedFromSetupPosition) {
11695 SendBoard(&second, backwardMostMove);
11696 if (appData.debugMode) {
11697 fprintf(debugFP, "Two Machines\n");
11700 for (i = backwardMostMove; i < forwardMostMove; i++) {
11701 SendMoveToProgram(i, &second);
11704 gameMode = TwoMachinesPlay;
11708 DisplayTwoMachinesTitle();
11710 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11716 SendToProgram(first.computerString, &first);
11717 if (first.sendName) {
11718 sprintf(buf, "name %s\n", second.tidy);
11719 SendToProgram(buf, &first);
11721 SendToProgram(second.computerString, &second);
11722 if (second.sendName) {
11723 sprintf(buf, "name %s\n", first.tidy);
11724 SendToProgram(buf, &second);
11728 if (!first.sendTime || !second.sendTime) {
11729 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11730 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11732 if (onmove->sendTime) {
11733 if (onmove->useColors) {
11734 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11736 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11738 if (onmove->useColors) {
11739 SendToProgram(onmove->twoMachinesColor, onmove);
11741 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11742 // SendToProgram("go\n", onmove);
11743 onmove->maybeThinking = TRUE;
11744 SetMachineThinkingEnables();
11748 if(bookHit) { // [HGM] book: simulate book reply
11749 static char bookMove[MSG_SIZ]; // a bit generous?
11751 programStats.nodes = programStats.depth = programStats.time =
11752 programStats.score = programStats.got_only_move = 0;
11753 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11755 strcpy(bookMove, "move ");
11756 strcat(bookMove, bookHit);
11757 savedMessage = bookMove; // args for deferred call
11758 savedState = onmove;
11759 ScheduleDelayedEvent(DeferredBookMove, 1);
11766 if (gameMode == Training) {
11767 SetTrainingModeOff();
11768 gameMode = PlayFromGameFile;
11769 DisplayMessage("", _("Training mode off"));
11771 gameMode = Training;
11772 animateTraining = appData.animate;
11774 /* make sure we are not already at the end of the game */
11775 if (currentMove < forwardMostMove) {
11776 SetTrainingModeOn();
11777 DisplayMessage("", _("Training mode on"));
11779 gameMode = PlayFromGameFile;
11780 DisplayError(_("Already at end of game"), 0);
11789 if (!appData.icsActive) return;
11790 switch (gameMode) {
11791 case IcsPlayingWhite:
11792 case IcsPlayingBlack:
11795 case BeginningOfGame:
11803 EditPositionDone(TRUE);
11816 gameMode = IcsIdle;
11827 switch (gameMode) {
11829 SetTrainingModeOff();
11831 case MachinePlaysWhite:
11832 case MachinePlaysBlack:
11833 case BeginningOfGame:
11834 SendToProgram("force\n", &first);
11835 SetUserThinkingEnables();
11837 case PlayFromGameFile:
11838 (void) StopLoadGameTimer();
11839 if (gameFileFP != NULL) {
11844 EditPositionDone(TRUE);
11849 SendToProgram("force\n", &first);
11851 case TwoMachinesPlay:
11852 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11853 ResurrectChessProgram();
11854 SetUserThinkingEnables();
11857 ResurrectChessProgram();
11859 case IcsPlayingBlack:
11860 case IcsPlayingWhite:
11861 DisplayError(_("Warning: You are still playing a game"), 0);
11864 DisplayError(_("Warning: You are still observing a game"), 0);
11867 DisplayError(_("Warning: You are still examining a game"), 0);
11878 first.offeredDraw = second.offeredDraw = 0;
11880 if (gameMode == PlayFromGameFile) {
11881 whiteTimeRemaining = timeRemaining[0][currentMove];
11882 blackTimeRemaining = timeRemaining[1][currentMove];
11886 if (gameMode == MachinePlaysWhite ||
11887 gameMode == MachinePlaysBlack ||
11888 gameMode == TwoMachinesPlay ||
11889 gameMode == EndOfGame) {
11890 i = forwardMostMove;
11891 while (i > currentMove) {
11892 SendToProgram("undo\n", &first);
11895 whiteTimeRemaining = timeRemaining[0][currentMove];
11896 blackTimeRemaining = timeRemaining[1][currentMove];
11897 DisplayBothClocks();
11898 if (whiteFlag || blackFlag) {
11899 whiteFlag = blackFlag = 0;
11904 gameMode = EditGame;
11911 EditPositionEvent()
11913 if (gameMode == EditPosition) {
11919 if (gameMode != EditGame) return;
11921 gameMode = EditPosition;
11924 if (currentMove > 0)
11925 CopyBoard(boards[0], boards[currentMove]);
11927 blackPlaysFirst = !WhiteOnMove(currentMove);
11929 currentMove = forwardMostMove = backwardMostMove = 0;
11930 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11937 /* [DM] icsEngineAnalyze - possible call from other functions */
11938 if (appData.icsEngineAnalyze) {
11939 appData.icsEngineAnalyze = FALSE;
11941 DisplayMessage("",_("Close ICS engine analyze..."));
11943 if (first.analysisSupport && first.analyzing) {
11944 SendToProgram("exit\n", &first);
11945 first.analyzing = FALSE;
11947 thinkOutput[0] = NULLCHAR;
11951 EditPositionDone(Boolean fakeRights)
11953 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11955 startedFromSetupPosition = TRUE;
11956 InitChessProgram(&first, FALSE);
11957 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11958 boards[0][EP_STATUS] = EP_NONE;
11959 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11960 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11961 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11962 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11963 } else boards[0][CASTLING][2] = NoRights;
11964 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11965 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11966 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11967 } else boards[0][CASTLING][5] = NoRights;
11969 SendToProgram("force\n", &first);
11970 if (blackPlaysFirst) {
11971 strcpy(moveList[0], "");
11972 strcpy(parseList[0], "");
11973 currentMove = forwardMostMove = backwardMostMove = 1;
11974 CopyBoard(boards[1], boards[0]);
11976 currentMove = forwardMostMove = backwardMostMove = 0;
11978 SendBoard(&first, forwardMostMove);
11979 if (appData.debugMode) {
11980 fprintf(debugFP, "EditPosDone\n");
11983 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11984 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11985 gameMode = EditGame;
11987 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11988 ClearHighlights(); /* [AS] */
11991 /* Pause for `ms' milliseconds */
11992 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12002 } while (SubtractTimeMarks(&m2, &m1) < ms);
12005 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12007 SendMultiLineToICS(buf)
12010 char temp[MSG_SIZ+1], *p;
12017 strncpy(temp, buf, len);
12022 if (*p == '\n' || *p == '\r')
12027 strcat(temp, "\n");
12029 SendToPlayer(temp, strlen(temp));
12033 SetWhiteToPlayEvent()
12035 if (gameMode == EditPosition) {
12036 blackPlaysFirst = FALSE;
12037 DisplayBothClocks(); /* works because currentMove is 0 */
12038 } else if (gameMode == IcsExamining) {
12039 SendToICS(ics_prefix);
12040 SendToICS("tomove white\n");
12045 SetBlackToPlayEvent()
12047 if (gameMode == EditPosition) {
12048 blackPlaysFirst = TRUE;
12049 currentMove = 1; /* kludge */
12050 DisplayBothClocks();
12052 } else if (gameMode == IcsExamining) {
12053 SendToICS(ics_prefix);
12054 SendToICS("tomove black\n");
12059 EditPositionMenuEvent(selection, x, y)
12060 ChessSquare selection;
12064 ChessSquare piece = boards[0][y][x];
12066 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12068 switch (selection) {
12070 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12071 SendToICS(ics_prefix);
12072 SendToICS("bsetup clear\n");
12073 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12074 SendToICS(ics_prefix);
12075 SendToICS("clearboard\n");
12077 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12078 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12079 for (y = 0; y < BOARD_HEIGHT; y++) {
12080 if (gameMode == IcsExamining) {
12081 if (boards[currentMove][y][x] != EmptySquare) {
12082 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12087 boards[0][y][x] = p;
12092 if (gameMode == EditPosition) {
12093 DrawPosition(FALSE, boards[0]);
12098 SetWhiteToPlayEvent();
12102 SetBlackToPlayEvent();
12106 if (gameMode == IcsExamining) {
12107 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12108 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12111 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12112 if(x == BOARD_LEFT-2) {
12113 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12114 boards[0][y][1] = 0;
12116 if(x == BOARD_RGHT+1) {
12117 if(y >= gameInfo.holdingsSize) break;
12118 boards[0][y][BOARD_WIDTH-2] = 0;
12121 boards[0][y][x] = EmptySquare;
12122 DrawPosition(FALSE, boards[0]);
12127 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12128 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12129 selection = (ChessSquare) (PROMOTED piece);
12130 } else if(piece == EmptySquare) selection = WhiteSilver;
12131 else selection = (ChessSquare)((int)piece - 1);
12135 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12136 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12137 selection = (ChessSquare) (DEMOTED piece);
12138 } else if(piece == EmptySquare) selection = BlackSilver;
12139 else selection = (ChessSquare)((int)piece + 1);
12144 if(gameInfo.variant == VariantShatranj ||
12145 gameInfo.variant == VariantXiangqi ||
12146 gameInfo.variant == VariantCourier ||
12147 gameInfo.variant == VariantMakruk )
12148 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12153 if(gameInfo.variant == VariantXiangqi)
12154 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12155 if(gameInfo.variant == VariantKnightmate)
12156 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12159 if (gameMode == IcsExamining) {
12160 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12161 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12162 PieceToChar(selection), AAA + x, ONE + y);
12165 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12167 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12168 n = PieceToNumber(selection - BlackPawn);
12169 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12170 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12171 boards[0][BOARD_HEIGHT-1-n][1]++;
12173 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12174 n = PieceToNumber(selection);
12175 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12176 boards[0][n][BOARD_WIDTH-1] = selection;
12177 boards[0][n][BOARD_WIDTH-2]++;
12180 boards[0][y][x] = selection;
12181 DrawPosition(TRUE, boards[0]);
12189 DropMenuEvent(selection, x, y)
12190 ChessSquare selection;
12193 ChessMove moveType;
12195 switch (gameMode) {
12196 case IcsPlayingWhite:
12197 case MachinePlaysBlack:
12198 if (!WhiteOnMove(currentMove)) {
12199 DisplayMoveError(_("It is Black's turn"));
12202 moveType = WhiteDrop;
12204 case IcsPlayingBlack:
12205 case MachinePlaysWhite:
12206 if (WhiteOnMove(currentMove)) {
12207 DisplayMoveError(_("It is White's turn"));
12210 moveType = BlackDrop;
12213 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12219 if (moveType == BlackDrop && selection < BlackPawn) {
12220 selection = (ChessSquare) ((int) selection
12221 + (int) BlackPawn - (int) WhitePawn);
12223 if (boards[currentMove][y][x] != EmptySquare) {
12224 DisplayMoveError(_("That square is occupied"));
12228 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12234 /* Accept a pending offer of any kind from opponent */
12236 if (appData.icsActive) {
12237 SendToICS(ics_prefix);
12238 SendToICS("accept\n");
12239 } else if (cmailMsgLoaded) {
12240 if (currentMove == cmailOldMove &&
12241 commentList[cmailOldMove] != NULL &&
12242 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12243 "Black offers a draw" : "White offers a draw")) {
12245 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12246 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12248 DisplayError(_("There is no pending offer on this move"), 0);
12249 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12252 /* Not used for offers from chess program */
12259 /* Decline a pending offer of any kind from opponent */
12261 if (appData.icsActive) {
12262 SendToICS(ics_prefix);
12263 SendToICS("decline\n");
12264 } else if (cmailMsgLoaded) {
12265 if (currentMove == cmailOldMove &&
12266 commentList[cmailOldMove] != NULL &&
12267 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12268 "Black offers a draw" : "White offers a draw")) {
12270 AppendComment(cmailOldMove, "Draw declined", TRUE);
12271 DisplayComment(cmailOldMove - 1, "Draw declined");
12274 DisplayError(_("There is no pending offer on this move"), 0);
12277 /* Not used for offers from chess program */
12284 /* Issue ICS rematch command */
12285 if (appData.icsActive) {
12286 SendToICS(ics_prefix);
12287 SendToICS("rematch\n");
12294 /* Call your opponent's flag (claim a win on time) */
12295 if (appData.icsActive) {
12296 SendToICS(ics_prefix);
12297 SendToICS("flag\n");
12299 switch (gameMode) {
12302 case MachinePlaysWhite:
12305 GameEnds(GameIsDrawn, "Both players ran out of time",
12308 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12310 DisplayError(_("Your opponent is not out of time"), 0);
12313 case MachinePlaysBlack:
12316 GameEnds(GameIsDrawn, "Both players ran out of time",
12319 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12321 DisplayError(_("Your opponent is not out of time"), 0);
12331 /* Offer draw or accept pending draw offer from opponent */
12333 if (appData.icsActive) {
12334 /* Note: tournament rules require draw offers to be
12335 made after you make your move but before you punch
12336 your clock. Currently ICS doesn't let you do that;
12337 instead, you immediately punch your clock after making
12338 a move, but you can offer a draw at any time. */
12340 SendToICS(ics_prefix);
12341 SendToICS("draw\n");
12342 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12343 } else if (cmailMsgLoaded) {
12344 if (currentMove == cmailOldMove &&
12345 commentList[cmailOldMove] != NULL &&
12346 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12347 "Black offers a draw" : "White offers a draw")) {
12348 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12349 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12350 } else if (currentMove == cmailOldMove + 1) {
12351 char *offer = WhiteOnMove(cmailOldMove) ?
12352 "White offers a draw" : "Black offers a draw";
12353 AppendComment(currentMove, offer, TRUE);
12354 DisplayComment(currentMove - 1, offer);
12355 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12357 DisplayError(_("You must make your move before offering a draw"), 0);
12358 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12360 } else if (first.offeredDraw) {
12361 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12363 if (first.sendDrawOffers) {
12364 SendToProgram("draw\n", &first);
12365 userOfferedDraw = TRUE;
12373 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12375 if (appData.icsActive) {
12376 SendToICS(ics_prefix);
12377 SendToICS("adjourn\n");
12379 /* Currently GNU Chess doesn't offer or accept Adjourns */
12387 /* Offer Abort or accept pending Abort offer from opponent */
12389 if (appData.icsActive) {
12390 SendToICS(ics_prefix);
12391 SendToICS("abort\n");
12393 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12400 /* Resign. You can do this even if it's not your turn. */
12402 if (appData.icsActive) {
12403 SendToICS(ics_prefix);
12404 SendToICS("resign\n");
12406 switch (gameMode) {
12407 case MachinePlaysWhite:
12408 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12410 case MachinePlaysBlack:
12411 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12414 if (cmailMsgLoaded) {
12416 if (WhiteOnMove(cmailOldMove)) {
12417 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12419 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12421 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12432 StopObservingEvent()
12434 /* Stop observing current games */
12435 SendToICS(ics_prefix);
12436 SendToICS("unobserve\n");
12440 StopExaminingEvent()
12442 /* Stop observing current game */
12443 SendToICS(ics_prefix);
12444 SendToICS("unexamine\n");
12448 ForwardInner(target)
12453 if (appData.debugMode)
12454 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12455 target, currentMove, forwardMostMove);
12457 if (gameMode == EditPosition)
12460 if (gameMode == PlayFromGameFile && !pausing)
12463 if (gameMode == IcsExamining && pausing)
12464 limit = pauseExamForwardMostMove;
12466 limit = forwardMostMove;
12468 if (target > limit) target = limit;
12470 if (target > 0 && moveList[target - 1][0]) {
12471 int fromX, fromY, toX, toY;
12472 toX = moveList[target - 1][2] - AAA;
12473 toY = moveList[target - 1][3] - ONE;
12474 if (moveList[target - 1][1] == '@') {
12475 if (appData.highlightLastMove) {
12476 SetHighlights(-1, -1, toX, toY);
12479 fromX = moveList[target - 1][0] - AAA;
12480 fromY = moveList[target - 1][1] - ONE;
12481 if (target == currentMove + 1) {
12482 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12484 if (appData.highlightLastMove) {
12485 SetHighlights(fromX, fromY, toX, toY);
12489 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12490 gameMode == Training || gameMode == PlayFromGameFile ||
12491 gameMode == AnalyzeFile) {
12492 while (currentMove < target) {
12493 SendMoveToProgram(currentMove++, &first);
12496 currentMove = target;
12499 if (gameMode == EditGame || gameMode == EndOfGame) {
12500 whiteTimeRemaining = timeRemaining[0][currentMove];
12501 blackTimeRemaining = timeRemaining[1][currentMove];
12503 DisplayBothClocks();
12504 DisplayMove(currentMove - 1);
12505 DrawPosition(FALSE, boards[currentMove]);
12506 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12507 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12508 DisplayComment(currentMove - 1, commentList[currentMove]);
12516 if (gameMode == IcsExamining && !pausing) {
12517 SendToICS(ics_prefix);
12518 SendToICS("forward\n");
12520 ForwardInner(currentMove + 1);
12527 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12528 /* to optimze, we temporarily turn off analysis mode while we feed
12529 * the remaining moves to the engine. Otherwise we get analysis output
12532 if (first.analysisSupport) {
12533 SendToProgram("exit\nforce\n", &first);
12534 first.analyzing = FALSE;
12538 if (gameMode == IcsExamining && !pausing) {
12539 SendToICS(ics_prefix);
12540 SendToICS("forward 999999\n");
12542 ForwardInner(forwardMostMove);
12545 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12546 /* we have fed all the moves, so reactivate analysis mode */
12547 SendToProgram("analyze\n", &first);
12548 first.analyzing = TRUE;
12549 /*first.maybeThinking = TRUE;*/
12550 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12555 BackwardInner(target)
12558 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12560 if (appData.debugMode)
12561 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12562 target, currentMove, forwardMostMove);
12564 if (gameMode == EditPosition) return;
12565 if (currentMove <= backwardMostMove) {
12567 DrawPosition(full_redraw, boards[currentMove]);
12570 if (gameMode == PlayFromGameFile && !pausing)
12573 if (moveList[target][0]) {
12574 int fromX, fromY, toX, toY;
12575 toX = moveList[target][2] - AAA;
12576 toY = moveList[target][3] - ONE;
12577 if (moveList[target][1] == '@') {
12578 if (appData.highlightLastMove) {
12579 SetHighlights(-1, -1, toX, toY);
12582 fromX = moveList[target][0] - AAA;
12583 fromY = moveList[target][1] - ONE;
12584 if (target == currentMove - 1) {
12585 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12587 if (appData.highlightLastMove) {
12588 SetHighlights(fromX, fromY, toX, toY);
12592 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12593 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12594 while (currentMove > target) {
12595 SendToProgram("undo\n", &first);
12599 currentMove = target;
12602 if (gameMode == EditGame || gameMode == EndOfGame) {
12603 whiteTimeRemaining = timeRemaining[0][currentMove];
12604 blackTimeRemaining = timeRemaining[1][currentMove];
12606 DisplayBothClocks();
12607 DisplayMove(currentMove - 1);
12608 DrawPosition(full_redraw, boards[currentMove]);
12609 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12610 // [HGM] PV info: routine tests if comment empty
12611 DisplayComment(currentMove - 1, commentList[currentMove]);
12617 if (gameMode == IcsExamining && !pausing) {
12618 SendToICS(ics_prefix);
12619 SendToICS("backward\n");
12621 BackwardInner(currentMove - 1);
12628 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12629 /* to optimize, we temporarily turn off analysis mode while we undo
12630 * all the moves. Otherwise we get analysis output after each undo.
12632 if (first.analysisSupport) {
12633 SendToProgram("exit\nforce\n", &first);
12634 first.analyzing = FALSE;
12638 if (gameMode == IcsExamining && !pausing) {
12639 SendToICS(ics_prefix);
12640 SendToICS("backward 999999\n");
12642 BackwardInner(backwardMostMove);
12645 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12646 /* we have fed all the moves, so reactivate analysis mode */
12647 SendToProgram("analyze\n", &first);
12648 first.analyzing = TRUE;
12649 /*first.maybeThinking = TRUE;*/
12650 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12657 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12658 if (to >= forwardMostMove) to = forwardMostMove;
12659 if (to <= backwardMostMove) to = backwardMostMove;
12660 if (to < currentMove) {
12670 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12673 if (gameMode != IcsExamining) {
12674 DisplayError(_("You are not examining a game"), 0);
12678 DisplayError(_("You can't revert while pausing"), 0);
12681 SendToICS(ics_prefix);
12682 SendToICS("revert\n");
12688 switch (gameMode) {
12689 case MachinePlaysWhite:
12690 case MachinePlaysBlack:
12691 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12692 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12695 if (forwardMostMove < 2) return;
12696 currentMove = forwardMostMove = forwardMostMove - 2;
12697 whiteTimeRemaining = timeRemaining[0][currentMove];
12698 blackTimeRemaining = timeRemaining[1][currentMove];
12699 DisplayBothClocks();
12700 DisplayMove(currentMove - 1);
12701 ClearHighlights();/*!! could figure this out*/
12702 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12703 SendToProgram("remove\n", &first);
12704 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12707 case BeginningOfGame:
12711 case IcsPlayingWhite:
12712 case IcsPlayingBlack:
12713 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12714 SendToICS(ics_prefix);
12715 SendToICS("takeback 2\n");
12717 SendToICS(ics_prefix);
12718 SendToICS("takeback 1\n");
12727 ChessProgramState *cps;
12729 switch (gameMode) {
12730 case MachinePlaysWhite:
12731 if (!WhiteOnMove(forwardMostMove)) {
12732 DisplayError(_("It is your turn"), 0);
12737 case MachinePlaysBlack:
12738 if (WhiteOnMove(forwardMostMove)) {
12739 DisplayError(_("It is your turn"), 0);
12744 case TwoMachinesPlay:
12745 if (WhiteOnMove(forwardMostMove) ==
12746 (first.twoMachinesColor[0] == 'w')) {
12752 case BeginningOfGame:
12756 SendToProgram("?\n", cps);
12760 TruncateGameEvent()
12763 if (gameMode != EditGame) return;
12770 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12771 if (forwardMostMove > currentMove) {
12772 if (gameInfo.resultDetails != NULL) {
12773 free(gameInfo.resultDetails);
12774 gameInfo.resultDetails = NULL;
12775 gameInfo.result = GameUnfinished;
12777 forwardMostMove = currentMove;
12778 HistorySet(parseList, backwardMostMove, forwardMostMove,
12786 if (appData.noChessProgram) return;
12787 switch (gameMode) {
12788 case MachinePlaysWhite:
12789 if (WhiteOnMove(forwardMostMove)) {
12790 DisplayError(_("Wait until your turn"), 0);
12794 case BeginningOfGame:
12795 case MachinePlaysBlack:
12796 if (!WhiteOnMove(forwardMostMove)) {
12797 DisplayError(_("Wait until your turn"), 0);
12802 DisplayError(_("No hint available"), 0);
12805 SendToProgram("hint\n", &first);
12806 hintRequested = TRUE;
12812 if (appData.noChessProgram) return;
12813 switch (gameMode) {
12814 case MachinePlaysWhite:
12815 if (WhiteOnMove(forwardMostMove)) {
12816 DisplayError(_("Wait until your turn"), 0);
12820 case BeginningOfGame:
12821 case MachinePlaysBlack:
12822 if (!WhiteOnMove(forwardMostMove)) {
12823 DisplayError(_("Wait until your turn"), 0);
12828 EditPositionDone(TRUE);
12830 case TwoMachinesPlay:
12835 SendToProgram("bk\n", &first);
12836 bookOutput[0] = NULLCHAR;
12837 bookRequested = TRUE;
12843 char *tags = PGNTags(&gameInfo);
12844 TagsPopUp(tags, CmailMsg());
12848 /* end button procedures */
12851 PrintPosition(fp, move)
12857 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12858 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12859 char c = PieceToChar(boards[move][i][j]);
12860 fputc(c == 'x' ? '.' : c, fp);
12861 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12864 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12865 fprintf(fp, "white to play\n");
12867 fprintf(fp, "black to play\n");
12874 if (gameInfo.white != NULL) {
12875 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12881 /* Find last component of program's own name, using some heuristics */
12883 TidyProgramName(prog, host, buf)
12884 char *prog, *host, buf[MSG_SIZ];
12887 int local = (strcmp(host, "localhost") == 0);
12888 while (!local && (p = strchr(prog, ';')) != NULL) {
12890 while (*p == ' ') p++;
12893 if (*prog == '"' || *prog == '\'') {
12894 q = strchr(prog + 1, *prog);
12896 q = strchr(prog, ' ');
12898 if (q == NULL) q = prog + strlen(prog);
12900 while (p >= prog && *p != '/' && *p != '\\') p--;
12902 if(p == prog && *p == '"') p++;
12903 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12904 memcpy(buf, p, q - p);
12905 buf[q - p] = NULLCHAR;
12913 TimeControlTagValue()
12916 if (!appData.clockMode) {
12918 } else if (movesPerSession > 0) {
12919 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12920 } else if (timeIncrement == 0) {
12921 sprintf(buf, "%ld", timeControl/1000);
12923 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12925 return StrSave(buf);
12931 /* This routine is used only for certain modes */
12932 VariantClass v = gameInfo.variant;
12933 ChessMove r = GameUnfinished;
12936 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12937 r = gameInfo.result;
12938 p = gameInfo.resultDetails;
12939 gameInfo.resultDetails = NULL;
12941 ClearGameInfo(&gameInfo);
12942 gameInfo.variant = v;
12944 switch (gameMode) {
12945 case MachinePlaysWhite:
12946 gameInfo.event = StrSave( appData.pgnEventHeader );
12947 gameInfo.site = StrSave(HostName());
12948 gameInfo.date = PGNDate();
12949 gameInfo.round = StrSave("-");
12950 gameInfo.white = StrSave(first.tidy);
12951 gameInfo.black = StrSave(UserName());
12952 gameInfo.timeControl = TimeControlTagValue();
12955 case MachinePlaysBlack:
12956 gameInfo.event = StrSave( appData.pgnEventHeader );
12957 gameInfo.site = StrSave(HostName());
12958 gameInfo.date = PGNDate();
12959 gameInfo.round = StrSave("-");
12960 gameInfo.white = StrSave(UserName());
12961 gameInfo.black = StrSave(first.tidy);
12962 gameInfo.timeControl = TimeControlTagValue();
12965 case TwoMachinesPlay:
12966 gameInfo.event = StrSave( appData.pgnEventHeader );
12967 gameInfo.site = StrSave(HostName());
12968 gameInfo.date = PGNDate();
12969 if (matchGame > 0) {
12971 sprintf(buf, "%d", matchGame);
12972 gameInfo.round = StrSave(buf);
12974 gameInfo.round = StrSave("-");
12976 if (first.twoMachinesColor[0] == 'w') {
12977 gameInfo.white = StrSave(first.tidy);
12978 gameInfo.black = StrSave(second.tidy);
12980 gameInfo.white = StrSave(second.tidy);
12981 gameInfo.black = StrSave(first.tidy);
12983 gameInfo.timeControl = TimeControlTagValue();
12987 gameInfo.event = StrSave("Edited game");
12988 gameInfo.site = StrSave(HostName());
12989 gameInfo.date = PGNDate();
12990 gameInfo.round = StrSave("-");
12991 gameInfo.white = StrSave("-");
12992 gameInfo.black = StrSave("-");
12993 gameInfo.result = r;
12994 gameInfo.resultDetails = p;
12998 gameInfo.event = StrSave("Edited position");
12999 gameInfo.site = StrSave(HostName());
13000 gameInfo.date = PGNDate();
13001 gameInfo.round = StrSave("-");
13002 gameInfo.white = StrSave("-");
13003 gameInfo.black = StrSave("-");
13006 case IcsPlayingWhite:
13007 case IcsPlayingBlack:
13012 case PlayFromGameFile:
13013 gameInfo.event = StrSave("Game from non-PGN file");
13014 gameInfo.site = StrSave(HostName());
13015 gameInfo.date = PGNDate();
13016 gameInfo.round = StrSave("-");
13017 gameInfo.white = StrSave("?");
13018 gameInfo.black = StrSave("?");
13027 ReplaceComment(index, text)
13033 while (*text == '\n') text++;
13034 len = strlen(text);
13035 while (len > 0 && text[len - 1] == '\n') len--;
13037 if (commentList[index] != NULL)
13038 free(commentList[index]);
13041 commentList[index] = NULL;
13044 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13045 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13046 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13047 commentList[index] = (char *) malloc(len + 2);
13048 strncpy(commentList[index], text, len);
13049 commentList[index][len] = '\n';
13050 commentList[index][len + 1] = NULLCHAR;
13052 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13054 commentList[index] = (char *) malloc(len + 6);
13055 strcpy(commentList[index], "{\n");
13056 strncpy(commentList[index]+2, text, len);
13057 commentList[index][len+2] = NULLCHAR;
13058 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13059 strcat(commentList[index], "\n}\n");
13073 if (ch == '\r') continue;
13075 } while (ch != '\0');
13079 AppendComment(index, text, addBraces)
13082 Boolean addBraces; // [HGM] braces: tells if we should add {}
13087 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13088 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13091 while (*text == '\n') text++;
13092 len = strlen(text);
13093 while (len > 0 && text[len - 1] == '\n') len--;
13095 if (len == 0) return;
13097 if (commentList[index] != NULL) {
13098 old = commentList[index];
13099 oldlen = strlen(old);
13100 while(commentList[index][oldlen-1] == '\n')
13101 commentList[index][--oldlen] = NULLCHAR;
13102 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13103 strcpy(commentList[index], old);
13105 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13106 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13107 if(addBraces) addBraces = FALSE; else { text++; len--; }
13108 while (*text == '\n') { text++; len--; }
13109 commentList[index][--oldlen] = NULLCHAR;
13111 if(addBraces) strcat(commentList[index], "\n{\n");
13112 else strcat(commentList[index], "\n");
13113 strcat(commentList[index], text);
13114 if(addBraces) strcat(commentList[index], "\n}\n");
13115 else strcat(commentList[index], "\n");
13117 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13119 strcpy(commentList[index], "{\n");
13120 else commentList[index][0] = NULLCHAR;
13121 strcat(commentList[index], text);
13122 strcat(commentList[index], "\n");
13123 if(addBraces) strcat(commentList[index], "}\n");
13127 static char * FindStr( char * text, char * sub_text )
13129 char * result = strstr( text, sub_text );
13131 if( result != NULL ) {
13132 result += strlen( sub_text );
13138 /* [AS] Try to extract PV info from PGN comment */
13139 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13140 char *GetInfoFromComment( int index, char * text )
13144 if( text != NULL && index > 0 ) {
13147 int time = -1, sec = 0, deci;
13148 char * s_eval = FindStr( text, "[%eval " );
13149 char * s_emt = FindStr( text, "[%emt " );
13151 if( s_eval != NULL || s_emt != NULL ) {
13155 if( s_eval != NULL ) {
13156 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13160 if( delim != ']' ) {
13165 if( s_emt != NULL ) {
13170 /* We expect something like: [+|-]nnn.nn/dd */
13173 if(*text != '{') return text; // [HGM] braces: must be normal comment
13175 sep = strchr( text, '/' );
13176 if( sep == NULL || sep < (text+4) ) {
13180 time = -1; sec = -1; deci = -1;
13181 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13182 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13183 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13184 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13188 if( score_lo < 0 || score_lo >= 100 ) {
13192 if(sec >= 0) time = 600*time + 10*sec; else
13193 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13195 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13197 /* [HGM] PV time: now locate end of PV info */
13198 while( *++sep >= '0' && *sep <= '9'); // strip depth
13200 while( *++sep >= '0' && *sep <= '9'); // strip time
13202 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13204 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13205 while(*sep == ' ') sep++;
13216 pvInfoList[index-1].depth = depth;
13217 pvInfoList[index-1].score = score;
13218 pvInfoList[index-1].time = 10*time; // centi-sec
13219 if(*sep == '}') *sep = 0; else *--sep = '{';
13225 SendToProgram(message, cps)
13227 ChessProgramState *cps;
13229 int count, outCount, error;
13232 if (cps->pr == NULL) return;
13235 if (appData.debugMode) {
13238 fprintf(debugFP, "%ld >%-6s: %s",
13239 SubtractTimeMarks(&now, &programStartTime),
13240 cps->which, message);
13243 count = strlen(message);
13244 outCount = OutputToProcess(cps->pr, message, count, &error);
13245 if (outCount < count && !exiting
13246 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13247 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13248 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13249 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13250 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13251 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13253 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13255 gameInfo.resultDetails = StrSave(buf);
13257 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13262 ReceiveFromProgram(isr, closure, message, count, error)
13263 InputSourceRef isr;
13271 ChessProgramState *cps = (ChessProgramState *)closure;
13273 if (isr != cps->isr) return; /* Killed intentionally */
13277 _("Error: %s chess program (%s) exited unexpectedly"),
13278 cps->which, cps->program);
13279 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13280 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13281 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13282 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13284 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13286 gameInfo.resultDetails = StrSave(buf);
13288 RemoveInputSource(cps->isr);
13289 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13292 _("Error reading from %s chess program (%s)"),
13293 cps->which, cps->program);
13294 RemoveInputSource(cps->isr);
13296 /* [AS] Program is misbehaving badly... kill it */
13297 if( count == -2 ) {
13298 DestroyChildProcess( cps->pr, 9 );
13302 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13307 if ((end_str = strchr(message, '\r')) != NULL)
13308 *end_str = NULLCHAR;
13309 if ((end_str = strchr(message, '\n')) != NULL)
13310 *end_str = NULLCHAR;
13312 if (appData.debugMode) {
13313 TimeMark now; int print = 1;
13314 char *quote = ""; char c; int i;
13316 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13317 char start = message[0];
13318 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13319 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13320 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13321 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13322 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13323 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13324 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13325 sscanf(message, "pong %c", &c)!=1 && start != '#')
13326 { quote = "# "; print = (appData.engineComments == 2); }
13327 message[0] = start; // restore original message
13331 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13332 SubtractTimeMarks(&now, &programStartTime), cps->which,
13338 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13339 if (appData.icsEngineAnalyze) {
13340 if (strstr(message, "whisper") != NULL ||
13341 strstr(message, "kibitz") != NULL ||
13342 strstr(message, "tellics") != NULL) return;
13345 HandleMachineMove(message, cps);
13350 SendTimeControl(cps, mps, tc, inc, sd, st)
13351 ChessProgramState *cps;
13352 int mps, inc, sd, st;
13358 if( timeControl_2 > 0 ) {
13359 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13360 tc = timeControl_2;
13363 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13364 inc /= cps->timeOdds;
13365 st /= cps->timeOdds;
13367 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13370 /* Set exact time per move, normally using st command */
13371 if (cps->stKludge) {
13372 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13374 if (seconds == 0) {
13375 sprintf(buf, "level 1 %d\n", st/60);
13377 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13380 sprintf(buf, "st %d\n", st);
13383 /* Set conventional or incremental time control, using level command */
13384 if (seconds == 0) {
13385 /* Note old gnuchess bug -- minutes:seconds used to not work.
13386 Fixed in later versions, but still avoid :seconds
13387 when seconds is 0. */
13388 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13390 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13391 seconds, inc/1000);
13394 SendToProgram(buf, cps);
13396 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13397 /* Orthogonally, limit search to given depth */
13399 if (cps->sdKludge) {
13400 sprintf(buf, "depth\n%d\n", sd);
13402 sprintf(buf, "sd %d\n", sd);
13404 SendToProgram(buf, cps);
13407 if(cps->nps > 0) { /* [HGM] nps */
13408 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13410 sprintf(buf, "nps %d\n", cps->nps);
13411 SendToProgram(buf, cps);
13416 ChessProgramState *WhitePlayer()
13417 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13419 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13420 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13426 SendTimeRemaining(cps, machineWhite)
13427 ChessProgramState *cps;
13428 int /*boolean*/ machineWhite;
13430 char message[MSG_SIZ];
13433 /* Note: this routine must be called when the clocks are stopped
13434 or when they have *just* been set or switched; otherwise
13435 it will be off by the time since the current tick started.
13437 if (machineWhite) {
13438 time = whiteTimeRemaining / 10;
13439 otime = blackTimeRemaining / 10;
13441 time = blackTimeRemaining / 10;
13442 otime = whiteTimeRemaining / 10;
13444 /* [HGM] translate opponent's time by time-odds factor */
13445 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13446 if (appData.debugMode) {
13447 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13450 if (time <= 0) time = 1;
13451 if (otime <= 0) otime = 1;
13453 sprintf(message, "time %ld\n", time);
13454 SendToProgram(message, cps);
13456 sprintf(message, "otim %ld\n", otime);
13457 SendToProgram(message, cps);
13461 BoolFeature(p, name, loc, cps)
13465 ChessProgramState *cps;
13468 int len = strlen(name);
13470 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13472 sscanf(*p, "%d", &val);
13474 while (**p && **p != ' ') (*p)++;
13475 sprintf(buf, "accepted %s\n", name);
13476 SendToProgram(buf, cps);
13483 IntFeature(p, name, loc, cps)
13487 ChessProgramState *cps;
13490 int len = strlen(name);
13491 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13493 sscanf(*p, "%d", loc);
13494 while (**p && **p != ' ') (*p)++;
13495 sprintf(buf, "accepted %s\n", name);
13496 SendToProgram(buf, cps);
13503 StringFeature(p, name, loc, cps)
13507 ChessProgramState *cps;
13510 int len = strlen(name);
13511 if (strncmp((*p), name, len) == 0
13512 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13514 sscanf(*p, "%[^\"]", loc);
13515 while (**p && **p != '\"') (*p)++;
13516 if (**p == '\"') (*p)++;
13517 sprintf(buf, "accepted %s\n", name);
13518 SendToProgram(buf, cps);
13525 ParseOption(Option *opt, ChessProgramState *cps)
13526 // [HGM] options: process the string that defines an engine option, and determine
13527 // name, type, default value, and allowed value range
13529 char *p, *q, buf[MSG_SIZ];
13530 int n, min = (-1)<<31, max = 1<<31, def;
13532 if(p = strstr(opt->name, " -spin ")) {
13533 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13534 if(max < min) max = min; // enforce consistency
13535 if(def < min) def = min;
13536 if(def > max) def = max;
13541 } else if((p = strstr(opt->name, " -slider "))) {
13542 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13543 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13544 if(max < min) max = min; // enforce consistency
13545 if(def < min) def = min;
13546 if(def > max) def = max;
13550 opt->type = Spin; // Slider;
13551 } else if((p = strstr(opt->name, " -string "))) {
13552 opt->textValue = p+9;
13553 opt->type = TextBox;
13554 } else if((p = strstr(opt->name, " -file "))) {
13555 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13556 opt->textValue = p+7;
13557 opt->type = TextBox; // FileName;
13558 } else if((p = strstr(opt->name, " -path "))) {
13559 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13560 opt->textValue = p+7;
13561 opt->type = TextBox; // PathName;
13562 } else if(p = strstr(opt->name, " -check ")) {
13563 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13564 opt->value = (def != 0);
13565 opt->type = CheckBox;
13566 } else if(p = strstr(opt->name, " -combo ")) {
13567 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13568 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13569 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13570 opt->value = n = 0;
13571 while(q = StrStr(q, " /// ")) {
13572 n++; *q = 0; // count choices, and null-terminate each of them
13574 if(*q == '*') { // remember default, which is marked with * prefix
13578 cps->comboList[cps->comboCnt++] = q;
13580 cps->comboList[cps->comboCnt++] = NULL;
13582 opt->type = ComboBox;
13583 } else if(p = strstr(opt->name, " -button")) {
13584 opt->type = Button;
13585 } else if(p = strstr(opt->name, " -save")) {
13586 opt->type = SaveButton;
13587 } else return FALSE;
13588 *p = 0; // terminate option name
13589 // now look if the command-line options define a setting for this engine option.
13590 if(cps->optionSettings && cps->optionSettings[0])
13591 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13592 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13593 sprintf(buf, "option %s", p);
13594 if(p = strstr(buf, ",")) *p = 0;
13596 SendToProgram(buf, cps);
13602 FeatureDone(cps, val)
13603 ChessProgramState* cps;
13606 DelayedEventCallback cb = GetDelayedEvent();
13607 if ((cb == InitBackEnd3 && cps == &first) ||
13608 (cb == TwoMachinesEventIfReady && cps == &second)) {
13609 CancelDelayedEvent();
13610 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13612 cps->initDone = val;
13615 /* Parse feature command from engine */
13617 ParseFeatures(args, cps)
13619 ChessProgramState *cps;
13627 while (*p == ' ') p++;
13628 if (*p == NULLCHAR) return;
13630 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13631 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13632 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13633 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13634 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13635 if (BoolFeature(&p, "reuse", &val, cps)) {
13636 /* Engine can disable reuse, but can't enable it if user said no */
13637 if (!val) cps->reuse = FALSE;
13640 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13641 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13642 if (gameMode == TwoMachinesPlay) {
13643 DisplayTwoMachinesTitle();
13649 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13650 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13651 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13652 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13653 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13654 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13655 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13656 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13657 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13658 if (IntFeature(&p, "done", &val, cps)) {
13659 FeatureDone(cps, val);
13662 /* Added by Tord: */
13663 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13664 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13665 /* End of additions by Tord */
13667 /* [HGM] added features: */
13668 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13669 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13670 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13671 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13672 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13673 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13674 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13675 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13676 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13677 SendToProgram(buf, cps);
13680 if(cps->nrOptions >= MAX_OPTIONS) {
13682 sprintf(buf, "%s engine has too many options\n", cps->which);
13683 DisplayError(buf, 0);
13687 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13688 /* End of additions by HGM */
13690 /* unknown feature: complain and skip */
13692 while (*q && *q != '=') q++;
13693 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13694 SendToProgram(buf, cps);
13700 while (*p && *p != '\"') p++;
13701 if (*p == '\"') p++;
13703 while (*p && *p != ' ') p++;
13711 PeriodicUpdatesEvent(newState)
13714 if (newState == appData.periodicUpdates)
13717 appData.periodicUpdates=newState;
13719 /* Display type changes, so update it now */
13720 // DisplayAnalysis();
13722 /* Get the ball rolling again... */
13724 AnalysisPeriodicEvent(1);
13725 StartAnalysisClock();
13730 PonderNextMoveEvent(newState)
13733 if (newState == appData.ponderNextMove) return;
13734 if (gameMode == EditPosition) EditPositionDone(TRUE);
13736 SendToProgram("hard\n", &first);
13737 if (gameMode == TwoMachinesPlay) {
13738 SendToProgram("hard\n", &second);
13741 SendToProgram("easy\n", &first);
13742 thinkOutput[0] = NULLCHAR;
13743 if (gameMode == TwoMachinesPlay) {
13744 SendToProgram("easy\n", &second);
13747 appData.ponderNextMove = newState;
13751 NewSettingEvent(option, command, value)
13757 if (gameMode == EditPosition) EditPositionDone(TRUE);
13758 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13759 SendToProgram(buf, &first);
13760 if (gameMode == TwoMachinesPlay) {
13761 SendToProgram(buf, &second);
13766 ShowThinkingEvent()
13767 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13769 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13770 int newState = appData.showThinking
13771 // [HGM] thinking: other features now need thinking output as well
13772 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13774 if (oldState == newState) return;
13775 oldState = newState;
13776 if (gameMode == EditPosition) EditPositionDone(TRUE);
13778 SendToProgram("post\n", &first);
13779 if (gameMode == TwoMachinesPlay) {
13780 SendToProgram("post\n", &second);
13783 SendToProgram("nopost\n", &first);
13784 thinkOutput[0] = NULLCHAR;
13785 if (gameMode == TwoMachinesPlay) {
13786 SendToProgram("nopost\n", &second);
13789 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13793 AskQuestionEvent(title, question, replyPrefix, which)
13794 char *title; char *question; char *replyPrefix; char *which;
13796 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13797 if (pr == NoProc) return;
13798 AskQuestion(title, question, replyPrefix, pr);
13802 DisplayMove(moveNumber)
13805 char message[MSG_SIZ];
13807 char cpThinkOutput[MSG_SIZ];
13809 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13811 if (moveNumber == forwardMostMove - 1 ||
13812 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13814 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13816 if (strchr(cpThinkOutput, '\n')) {
13817 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13820 *cpThinkOutput = NULLCHAR;
13823 /* [AS] Hide thinking from human user */
13824 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13825 *cpThinkOutput = NULLCHAR;
13826 if( thinkOutput[0] != NULLCHAR ) {
13829 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13830 cpThinkOutput[i] = '.';
13832 cpThinkOutput[i] = NULLCHAR;
13833 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13837 if (moveNumber == forwardMostMove - 1 &&
13838 gameInfo.resultDetails != NULL) {
13839 if (gameInfo.resultDetails[0] == NULLCHAR) {
13840 sprintf(res, " %s", PGNResult(gameInfo.result));
13842 sprintf(res, " {%s} %s",
13843 gameInfo.resultDetails, PGNResult(gameInfo.result));
13849 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13850 DisplayMessage(res, cpThinkOutput);
13852 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13853 WhiteOnMove(moveNumber) ? " " : ".. ",
13854 parseList[moveNumber], res);
13855 DisplayMessage(message, cpThinkOutput);
13860 DisplayComment(moveNumber, text)
13864 char title[MSG_SIZ];
13865 char buf[8000]; // comment can be long!
13868 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13869 strcpy(title, "Comment");
13871 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13872 WhiteOnMove(moveNumber) ? " " : ".. ",
13873 parseList[moveNumber]);
13875 // [HGM] PV info: display PV info together with (or as) comment
13876 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13877 if(text == NULL) text = "";
13878 score = pvInfoList[moveNumber].score;
13879 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13880 depth, (pvInfoList[moveNumber].time+50)/100, text);
13883 if (text != NULL && (appData.autoDisplayComment || commentUp))
13884 CommentPopUp(title, text);
13887 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13888 * might be busy thinking or pondering. It can be omitted if your
13889 * gnuchess is configured to stop thinking immediately on any user
13890 * input. However, that gnuchess feature depends on the FIONREAD
13891 * ioctl, which does not work properly on some flavors of Unix.
13895 ChessProgramState *cps;
13898 if (!cps->useSigint) return;
13899 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13900 switch (gameMode) {
13901 case MachinePlaysWhite:
13902 case MachinePlaysBlack:
13903 case TwoMachinesPlay:
13904 case IcsPlayingWhite:
13905 case IcsPlayingBlack:
13908 /* Skip if we know it isn't thinking */
13909 if (!cps->maybeThinking) return;
13910 if (appData.debugMode)
13911 fprintf(debugFP, "Interrupting %s\n", cps->which);
13912 InterruptChildProcess(cps->pr);
13913 cps->maybeThinking = FALSE;
13918 #endif /*ATTENTION*/
13924 if (whiteTimeRemaining <= 0) {
13927 if (appData.icsActive) {
13928 if (appData.autoCallFlag &&
13929 gameMode == IcsPlayingBlack && !blackFlag) {
13930 SendToICS(ics_prefix);
13931 SendToICS("flag\n");
13935 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13937 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13938 if (appData.autoCallFlag) {
13939 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13946 if (blackTimeRemaining <= 0) {
13949 if (appData.icsActive) {
13950 if (appData.autoCallFlag &&
13951 gameMode == IcsPlayingWhite && !whiteFlag) {
13952 SendToICS(ics_prefix);
13953 SendToICS("flag\n");
13957 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13959 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13960 if (appData.autoCallFlag) {
13961 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13974 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13975 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13978 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13980 if ( !WhiteOnMove(forwardMostMove) )
13981 /* White made time control */
13982 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13983 /* [HGM] time odds: correct new time quota for time odds! */
13984 / WhitePlayer()->timeOdds;
13986 /* Black made time control */
13987 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13988 / WhitePlayer()->other->timeOdds;
13992 DisplayBothClocks()
13994 int wom = gameMode == EditPosition ?
13995 !blackPlaysFirst : WhiteOnMove(currentMove);
13996 DisplayWhiteClock(whiteTimeRemaining, wom);
13997 DisplayBlackClock(blackTimeRemaining, !wom);
14001 /* Timekeeping seems to be a portability nightmare. I think everyone
14002 has ftime(), but I'm really not sure, so I'm including some ifdefs
14003 to use other calls if you don't. Clocks will be less accurate if
14004 you have neither ftime nor gettimeofday.
14007 /* VS 2008 requires the #include outside of the function */
14008 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14009 #include <sys/timeb.h>
14012 /* Get the current time as a TimeMark */
14017 #if HAVE_GETTIMEOFDAY
14019 struct timeval timeVal;
14020 struct timezone timeZone;
14022 gettimeofday(&timeVal, &timeZone);
14023 tm->sec = (long) timeVal.tv_sec;
14024 tm->ms = (int) (timeVal.tv_usec / 1000L);
14026 #else /*!HAVE_GETTIMEOFDAY*/
14029 // include <sys/timeb.h> / moved to just above start of function
14030 struct timeb timeB;
14033 tm->sec = (long) timeB.time;
14034 tm->ms = (int) timeB.millitm;
14036 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14037 tm->sec = (long) time(NULL);
14043 /* Return the difference in milliseconds between two
14044 time marks. We assume the difference will fit in a long!
14047 SubtractTimeMarks(tm2, tm1)
14048 TimeMark *tm2, *tm1;
14050 return 1000L*(tm2->sec - tm1->sec) +
14051 (long) (tm2->ms - tm1->ms);
14056 * Code to manage the game clocks.
14058 * In tournament play, black starts the clock and then white makes a move.
14059 * We give the human user a slight advantage if he is playing white---the
14060 * clocks don't run until he makes his first move, so it takes zero time.
14061 * Also, we don't account for network lag, so we could get out of sync
14062 * with GNU Chess's clock -- but then, referees are always right.
14065 static TimeMark tickStartTM;
14066 static long intendedTickLength;
14069 NextTickLength(timeRemaining)
14070 long timeRemaining;
14072 long nominalTickLength, nextTickLength;
14074 if (timeRemaining > 0L && timeRemaining <= 10000L)
14075 nominalTickLength = 100L;
14077 nominalTickLength = 1000L;
14078 nextTickLength = timeRemaining % nominalTickLength;
14079 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14081 return nextTickLength;
14084 /* Adjust clock one minute up or down */
14086 AdjustClock(Boolean which, int dir)
14088 if(which) blackTimeRemaining += 60000*dir;
14089 else whiteTimeRemaining += 60000*dir;
14090 DisplayBothClocks();
14093 /* Stop clocks and reset to a fresh time control */
14097 (void) StopClockTimer();
14098 if (appData.icsActive) {
14099 whiteTimeRemaining = blackTimeRemaining = 0;
14100 } else if (searchTime) {
14101 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14102 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14103 } else { /* [HGM] correct new time quote for time odds */
14104 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14105 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14107 if (whiteFlag || blackFlag) {
14109 whiteFlag = blackFlag = FALSE;
14111 DisplayBothClocks();
14114 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14116 /* Decrement running clock by amount of time that has passed */
14120 long timeRemaining;
14121 long lastTickLength, fudge;
14124 if (!appData.clockMode) return;
14125 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14129 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14131 /* Fudge if we woke up a little too soon */
14132 fudge = intendedTickLength - lastTickLength;
14133 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14135 if (WhiteOnMove(forwardMostMove)) {
14136 if(whiteNPS >= 0) lastTickLength = 0;
14137 timeRemaining = whiteTimeRemaining -= lastTickLength;
14138 DisplayWhiteClock(whiteTimeRemaining - fudge,
14139 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14141 if(blackNPS >= 0) lastTickLength = 0;
14142 timeRemaining = blackTimeRemaining -= lastTickLength;
14143 DisplayBlackClock(blackTimeRemaining - fudge,
14144 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14147 if (CheckFlags()) return;
14150 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14151 StartClockTimer(intendedTickLength);
14153 /* if the time remaining has fallen below the alarm threshold, sound the
14154 * alarm. if the alarm has sounded and (due to a takeback or time control
14155 * with increment) the time remaining has increased to a level above the
14156 * threshold, reset the alarm so it can sound again.
14159 if (appData.icsActive && appData.icsAlarm) {
14161 /* make sure we are dealing with the user's clock */
14162 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14163 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14166 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14167 alarmSounded = FALSE;
14168 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14170 alarmSounded = TRUE;
14176 /* A player has just moved, so stop the previously running
14177 clock and (if in clock mode) start the other one.
14178 We redisplay both clocks in case we're in ICS mode, because
14179 ICS gives us an update to both clocks after every move.
14180 Note that this routine is called *after* forwardMostMove
14181 is updated, so the last fractional tick must be subtracted
14182 from the color that is *not* on move now.
14185 SwitchClocks(int newMoveNr)
14187 long lastTickLength;
14189 int flagged = FALSE;
14193 if (StopClockTimer() && appData.clockMode) {
14194 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14195 if (!WhiteOnMove(forwardMostMove)) {
14196 if(blackNPS >= 0) lastTickLength = 0;
14197 blackTimeRemaining -= lastTickLength;
14198 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14199 // if(pvInfoList[forwardMostMove-1].time == -1)
14200 pvInfoList[forwardMostMove-1].time = // use GUI time
14201 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14203 if(whiteNPS >= 0) lastTickLength = 0;
14204 whiteTimeRemaining -= lastTickLength;
14205 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14206 // if(pvInfoList[forwardMostMove-1].time == -1)
14207 pvInfoList[forwardMostMove-1].time =
14208 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14210 flagged = CheckFlags();
14212 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14213 CheckTimeControl();
14215 if (flagged || !appData.clockMode) return;
14217 switch (gameMode) {
14218 case MachinePlaysBlack:
14219 case MachinePlaysWhite:
14220 case BeginningOfGame:
14221 if (pausing) return;
14225 case PlayFromGameFile:
14233 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14234 if(WhiteOnMove(forwardMostMove))
14235 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14236 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14240 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14241 whiteTimeRemaining : blackTimeRemaining);
14242 StartClockTimer(intendedTickLength);
14246 /* Stop both clocks */
14250 long lastTickLength;
14253 if (!StopClockTimer()) return;
14254 if (!appData.clockMode) return;
14258 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14259 if (WhiteOnMove(forwardMostMove)) {
14260 if(whiteNPS >= 0) lastTickLength = 0;
14261 whiteTimeRemaining -= lastTickLength;
14262 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14264 if(blackNPS >= 0) lastTickLength = 0;
14265 blackTimeRemaining -= lastTickLength;
14266 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14271 /* Start clock of player on move. Time may have been reset, so
14272 if clock is already running, stop and restart it. */
14276 (void) StopClockTimer(); /* in case it was running already */
14277 DisplayBothClocks();
14278 if (CheckFlags()) return;
14280 if (!appData.clockMode) return;
14281 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14283 GetTimeMark(&tickStartTM);
14284 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14285 whiteTimeRemaining : blackTimeRemaining);
14287 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14288 whiteNPS = blackNPS = -1;
14289 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14290 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14291 whiteNPS = first.nps;
14292 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14293 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14294 blackNPS = first.nps;
14295 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14296 whiteNPS = second.nps;
14297 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14298 blackNPS = second.nps;
14299 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14301 StartClockTimer(intendedTickLength);
14308 long second, minute, hour, day;
14310 static char buf[32];
14312 if (ms > 0 && ms <= 9900) {
14313 /* convert milliseconds to tenths, rounding up */
14314 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14316 sprintf(buf, " %03.1f ", tenths/10.0);
14320 /* convert milliseconds to seconds, rounding up */
14321 /* use floating point to avoid strangeness of integer division
14322 with negative dividends on many machines */
14323 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14330 day = second / (60 * 60 * 24);
14331 second = second % (60 * 60 * 24);
14332 hour = second / (60 * 60);
14333 second = second % (60 * 60);
14334 minute = second / 60;
14335 second = second % 60;
14338 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14339 sign, day, hour, minute, second);
14341 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14343 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14350 * This is necessary because some C libraries aren't ANSI C compliant yet.
14353 StrStr(string, match)
14354 char *string, *match;
14358 length = strlen(match);
14360 for (i = strlen(string) - length; i >= 0; i--, string++)
14361 if (!strncmp(match, string, length))
14368 StrCaseStr(string, match)
14369 char *string, *match;
14373 length = strlen(match);
14375 for (i = strlen(string) - length; i >= 0; i--, string++) {
14376 for (j = 0; j < length; j++) {
14377 if (ToLower(match[j]) != ToLower(string[j]))
14380 if (j == length) return string;
14394 c1 = ToLower(*s1++);
14395 c2 = ToLower(*s2++);
14396 if (c1 > c2) return 1;
14397 if (c1 < c2) return -1;
14398 if (c1 == NULLCHAR) return 0;
14407 return isupper(c) ? tolower(c) : c;
14415 return islower(c) ? toupper(c) : c;
14417 #endif /* !_amigados */
14425 if ((ret = (char *) malloc(strlen(s) + 1))) {
14432 StrSavePtr(s, savePtr)
14433 char *s, **savePtr;
14438 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14439 strcpy(*savePtr, s);
14451 clock = time((time_t *)NULL);
14452 tm = localtime(&clock);
14453 sprintf(buf, "%04d.%02d.%02d",
14454 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14455 return StrSave(buf);
14460 PositionToFEN(move, overrideCastling)
14462 char *overrideCastling;
14464 int i, j, fromX, fromY, toX, toY;
14471 whiteToPlay = (gameMode == EditPosition) ?
14472 !blackPlaysFirst : (move % 2 == 0);
14475 /* Piece placement data */
14476 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14478 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14479 if (boards[move][i][j] == EmptySquare) {
14481 } else { ChessSquare piece = boards[move][i][j];
14482 if (emptycount > 0) {
14483 if(emptycount<10) /* [HGM] can be >= 10 */
14484 *p++ = '0' + emptycount;
14485 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14488 if(PieceToChar(piece) == '+') {
14489 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14491 piece = (ChessSquare)(DEMOTED piece);
14493 *p++ = PieceToChar(piece);
14495 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14496 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14501 if (emptycount > 0) {
14502 if(emptycount<10) /* [HGM] can be >= 10 */
14503 *p++ = '0' + emptycount;
14504 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14511 /* [HGM] print Crazyhouse or Shogi holdings */
14512 if( gameInfo.holdingsWidth ) {
14513 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14515 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14516 piece = boards[move][i][BOARD_WIDTH-1];
14517 if( piece != EmptySquare )
14518 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14519 *p++ = PieceToChar(piece);
14521 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14522 piece = boards[move][BOARD_HEIGHT-i-1][0];
14523 if( piece != EmptySquare )
14524 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14525 *p++ = PieceToChar(piece);
14528 if( q == p ) *p++ = '-';
14534 *p++ = whiteToPlay ? 'w' : 'b';
14537 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14538 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14540 if(nrCastlingRights) {
14542 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14543 /* [HGM] write directly from rights */
14544 if(boards[move][CASTLING][2] != NoRights &&
14545 boards[move][CASTLING][0] != NoRights )
14546 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14547 if(boards[move][CASTLING][2] != NoRights &&
14548 boards[move][CASTLING][1] != NoRights )
14549 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14550 if(boards[move][CASTLING][5] != NoRights &&
14551 boards[move][CASTLING][3] != NoRights )
14552 *p++ = boards[move][CASTLING][3] + AAA;
14553 if(boards[move][CASTLING][5] != NoRights &&
14554 boards[move][CASTLING][4] != NoRights )
14555 *p++ = boards[move][CASTLING][4] + AAA;
14558 /* [HGM] write true castling rights */
14559 if( nrCastlingRights == 6 ) {
14560 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14561 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14562 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14563 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14564 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14565 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14566 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14567 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14570 if (q == p) *p++ = '-'; /* No castling rights */
14574 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14575 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14576 /* En passant target square */
14577 if (move > backwardMostMove) {
14578 fromX = moveList[move - 1][0] - AAA;
14579 fromY = moveList[move - 1][1] - ONE;
14580 toX = moveList[move - 1][2] - AAA;
14581 toY = moveList[move - 1][3] - ONE;
14582 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14583 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14584 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14586 /* 2-square pawn move just happened */
14588 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14592 } else if(move == backwardMostMove) {
14593 // [HGM] perhaps we should always do it like this, and forget the above?
14594 if((signed char)boards[move][EP_STATUS] >= 0) {
14595 *p++ = boards[move][EP_STATUS] + AAA;
14596 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14607 /* [HGM] find reversible plies */
14608 { int i = 0, j=move;
14610 if (appData.debugMode) { int k;
14611 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14612 for(k=backwardMostMove; k<=forwardMostMove; k++)
14613 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14617 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14618 if( j == backwardMostMove ) i += initialRulePlies;
14619 sprintf(p, "%d ", i);
14620 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14622 /* Fullmove number */
14623 sprintf(p, "%d", (move / 2) + 1);
14625 return StrSave(buf);
14629 ParseFEN(board, blackPlaysFirst, fen)
14631 int *blackPlaysFirst;
14641 /* [HGM] by default clear Crazyhouse holdings, if present */
14642 if(gameInfo.holdingsWidth) {
14643 for(i=0; i<BOARD_HEIGHT; i++) {
14644 board[i][0] = EmptySquare; /* black holdings */
14645 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14646 board[i][1] = (ChessSquare) 0; /* black counts */
14647 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14651 /* Piece placement data */
14652 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14655 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14656 if (*p == '/') p++;
14657 emptycount = gameInfo.boardWidth - j;
14658 while (emptycount--)
14659 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14661 #if(BOARD_FILES >= 10)
14662 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14663 p++; emptycount=10;
14664 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14665 while (emptycount--)
14666 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14668 } else if (isdigit(*p)) {
14669 emptycount = *p++ - '0';
14670 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14671 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14672 while (emptycount--)
14673 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14674 } else if (*p == '+' || isalpha(*p)) {
14675 if (j >= gameInfo.boardWidth) return FALSE;
14677 piece = CharToPiece(*++p);
14678 if(piece == EmptySquare) return FALSE; /* unknown piece */
14679 piece = (ChessSquare) (PROMOTED piece ); p++;
14680 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14681 } else piece = CharToPiece(*p++);
14683 if(piece==EmptySquare) return FALSE; /* unknown piece */
14684 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14685 piece = (ChessSquare) (PROMOTED piece);
14686 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14689 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14695 while (*p == '/' || *p == ' ') p++;
14697 /* [HGM] look for Crazyhouse holdings here */
14698 while(*p==' ') p++;
14699 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14701 if(*p == '-' ) *p++; /* empty holdings */ else {
14702 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14703 /* if we would allow FEN reading to set board size, we would */
14704 /* have to add holdings and shift the board read so far here */
14705 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14707 if((int) piece >= (int) BlackPawn ) {
14708 i = (int)piece - (int)BlackPawn;
14709 i = PieceToNumber((ChessSquare)i);
14710 if( i >= gameInfo.holdingsSize ) return FALSE;
14711 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14712 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14714 i = (int)piece - (int)WhitePawn;
14715 i = PieceToNumber((ChessSquare)i);
14716 if( i >= gameInfo.holdingsSize ) return FALSE;
14717 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14718 board[i][BOARD_WIDTH-2]++; /* black holdings */
14722 if(*p == ']') *p++;
14725 while(*p == ' ') p++;
14730 *blackPlaysFirst = FALSE;
14733 *blackPlaysFirst = TRUE;
14739 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14740 /* return the extra info in global variiables */
14742 /* set defaults in case FEN is incomplete */
14743 board[EP_STATUS] = EP_UNKNOWN;
14744 for(i=0; i<nrCastlingRights; i++ ) {
14745 board[CASTLING][i] =
14746 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14747 } /* assume possible unless obviously impossible */
14748 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14749 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14750 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14751 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14752 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14753 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14754 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14755 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14758 while(*p==' ') p++;
14759 if(nrCastlingRights) {
14760 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14761 /* castling indicator present, so default becomes no castlings */
14762 for(i=0; i<nrCastlingRights; i++ ) {
14763 board[CASTLING][i] = NoRights;
14766 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14767 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14768 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14769 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14770 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14772 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14773 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14774 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14776 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14777 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14778 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14779 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14780 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14781 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14784 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14785 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14786 board[CASTLING][2] = whiteKingFile;
14789 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14790 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14791 board[CASTLING][2] = whiteKingFile;
14794 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14795 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14796 board[CASTLING][5] = blackKingFile;
14799 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14800 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14801 board[CASTLING][5] = blackKingFile;
14804 default: /* FRC castlings */
14805 if(c >= 'a') { /* black rights */
14806 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14807 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14808 if(i == BOARD_RGHT) break;
14809 board[CASTLING][5] = i;
14811 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14812 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14814 board[CASTLING][3] = c;
14816 board[CASTLING][4] = c;
14817 } else { /* white rights */
14818 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14819 if(board[0][i] == WhiteKing) break;
14820 if(i == BOARD_RGHT) break;
14821 board[CASTLING][2] = i;
14822 c -= AAA - 'a' + 'A';
14823 if(board[0][c] >= WhiteKing) break;
14825 board[CASTLING][0] = c;
14827 board[CASTLING][1] = c;
14831 for(i=0; i<nrCastlingRights; i++)
14832 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14833 if (appData.debugMode) {
14834 fprintf(debugFP, "FEN castling rights:");
14835 for(i=0; i<nrCastlingRights; i++)
14836 fprintf(debugFP, " %d", board[CASTLING][i]);
14837 fprintf(debugFP, "\n");
14840 while(*p==' ') p++;
14843 /* read e.p. field in games that know e.p. capture */
14844 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14845 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14847 p++; board[EP_STATUS] = EP_NONE;
14849 char c = *p++ - AAA;
14851 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14852 if(*p >= '0' && *p <='9') *p++;
14853 board[EP_STATUS] = c;
14858 if(sscanf(p, "%d", &i) == 1) {
14859 FENrulePlies = i; /* 50-move ply counter */
14860 /* (The move number is still ignored) */
14867 EditPositionPasteFEN(char *fen)
14870 Board initial_position;
14872 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14873 DisplayError(_("Bad FEN position in clipboard"), 0);
14876 int savedBlackPlaysFirst = blackPlaysFirst;
14877 EditPositionEvent();
14878 blackPlaysFirst = savedBlackPlaysFirst;
14879 CopyBoard(boards[0], initial_position);
14880 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14881 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14882 DisplayBothClocks();
14883 DrawPosition(FALSE, boards[currentMove]);
14888 static char cseq[12] = "\\ ";
14890 Boolean set_cont_sequence(char *new_seq)
14895 // handle bad attempts to set the sequence
14897 return 0; // acceptable error - no debug
14899 len = strlen(new_seq);
14900 ret = (len > 0) && (len < sizeof(cseq));
14902 strcpy(cseq, new_seq);
14903 else if (appData.debugMode)
14904 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14909 reformat a source message so words don't cross the width boundary. internal
14910 newlines are not removed. returns the wrapped size (no null character unless
14911 included in source message). If dest is NULL, only calculate the size required
14912 for the dest buffer. lp argument indicats line position upon entry, and it's
14913 passed back upon exit.
14915 int wrap(char *dest, char *src, int count, int width, int *lp)
14917 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14919 cseq_len = strlen(cseq);
14920 old_line = line = *lp;
14921 ansi = len = clen = 0;
14923 for (i=0; i < count; i++)
14925 if (src[i] == '\033')
14928 // if we hit the width, back up
14929 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14931 // store i & len in case the word is too long
14932 old_i = i, old_len = len;
14934 // find the end of the last word
14935 while (i && src[i] != ' ' && src[i] != '\n')
14941 // word too long? restore i & len before splitting it
14942 if ((old_i-i+clen) >= width)
14949 if (i && src[i-1] == ' ')
14952 if (src[i] != ' ' && src[i] != '\n')
14959 // now append the newline and continuation sequence
14964 strncpy(dest+len, cseq, cseq_len);
14972 dest[len] = src[i];
14976 if (src[i] == '\n')
14981 if (dest && appData.debugMode)
14983 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14984 count, width, line, len, *lp);
14985 show_bytes(debugFP, src, count);
14986 fprintf(debugFP, "\ndest: ");
14987 show_bytes(debugFP, dest, len);
14988 fprintf(debugFP, "\n");
14990 *lp = dest ? line : old_line;
14995 // [HGM] vari: routines for shelving variations
14998 PushTail(int firstMove, int lastMove)
15000 int i, j, nrMoves = lastMove - firstMove;
15002 if(appData.icsActive) { // only in local mode
15003 forwardMostMove = currentMove; // mimic old ICS behavior
15006 if(storedGames >= MAX_VARIATIONS-1) return;
15008 // push current tail of game on stack
15009 savedResult[storedGames] = gameInfo.result;
15010 savedDetails[storedGames] = gameInfo.resultDetails;
15011 gameInfo.resultDetails = NULL;
15012 savedFirst[storedGames] = firstMove;
15013 savedLast [storedGames] = lastMove;
15014 savedFramePtr[storedGames] = framePtr;
15015 framePtr -= nrMoves; // reserve space for the boards
15016 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15017 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15018 for(j=0; j<MOVE_LEN; j++)
15019 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15020 for(j=0; j<2*MOVE_LEN; j++)
15021 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15022 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15023 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15024 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15025 pvInfoList[firstMove+i-1].depth = 0;
15026 commentList[framePtr+i] = commentList[firstMove+i];
15027 commentList[firstMove+i] = NULL;
15031 forwardMostMove = currentMove; // truncte game so we can start variation
15032 if(storedGames == 1) GreyRevert(FALSE);
15036 PopTail(Boolean annotate)
15039 char buf[8000], moveBuf[20];
15041 if(appData.icsActive) return FALSE; // only in local mode
15042 if(!storedGames) return FALSE; // sanity
15045 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15046 nrMoves = savedLast[storedGames] - currentMove;
15049 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15050 else strcpy(buf, "(");
15051 for(i=currentMove; i<forwardMostMove; i++) {
15053 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15054 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15055 strcat(buf, moveBuf);
15056 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15060 for(i=1; i<nrMoves; i++) { // copy last variation back
15061 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15062 for(j=0; j<MOVE_LEN; j++)
15063 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15064 for(j=0; j<2*MOVE_LEN; j++)
15065 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15066 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15067 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15068 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15069 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15070 commentList[currentMove+i] = commentList[framePtr+i];
15071 commentList[framePtr+i] = NULL;
15073 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15074 framePtr = savedFramePtr[storedGames];
15075 gameInfo.result = savedResult[storedGames];
15076 if(gameInfo.resultDetails != NULL) {
15077 free(gameInfo.resultDetails);
15079 gameInfo.resultDetails = savedDetails[storedGames];
15080 forwardMostMove = currentMove + nrMoves;
15081 if(storedGames == 0) GreyRevert(TRUE);
15087 { // remove all shelved variations
15089 for(i=0; i<storedGames; i++) {
15090 if(savedDetails[i])
15091 free(savedDetails[i]);
15092 savedDetails[i] = NULL;
15094 for(i=framePtr; i<MAX_MOVES; i++) {
15095 if(commentList[i]) free(commentList[i]);
15096 commentList[i] = NULL;
15098 framePtr = MAX_MOVES-1;