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 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2759 chattingPartner = p; break;
2762 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2763 for(p=0; p<MAX_CHAT; p++) {
2764 if(!strcmp("whispers", chatPartner[p])) {
2765 talker[0] = '['; strcat(talker, "] ");
2766 chattingPartner = p; break;
2769 if(buf[i-3] == 't' || buf[oldi+2] == '>') // shout, c-shout or it; look if there is a 'shouts' chatbox
2770 for(p=0; p<MAX_CHAT; p++) {
2771 if(!strcmp("shouts", chatPartner[p])) {
2772 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2773 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2774 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2775 chattingPartner = p; break;
2778 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2779 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2780 talker[0] = 0; Colorize(ColorTell, FALSE);
2781 chattingPartner = p; break;
2783 if(chattingPartner<0) i = oldi; else {
2784 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2785 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2786 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2787 started = STARTED_COMMENT;
2788 parse_pos = 0; parse[0] = NULLCHAR;
2789 savingComment = 3 + chattingPartner; // counts as TRUE
2790 suppressKibitz = TRUE;
2793 } // [HGM] chat: end of patch
2795 if (appData.zippyTalk || appData.zippyPlay) {
2796 /* [DM] Backup address for color zippy lines */
2800 if (loggedOn == TRUE)
2801 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2802 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2804 if (ZippyControl(buf, &i) ||
2805 ZippyConverse(buf, &i) ||
2806 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2808 if (!appData.colorize) continue;
2812 } // [DM] 'else { ' deleted
2814 /* Regular tells and says */
2815 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2816 looking_at(buf, &i, "* (your partner) tells you: ") ||
2817 looking_at(buf, &i, "* says: ") ||
2818 /* Don't color "message" or "messages" output */
2819 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2820 looking_at(buf, &i, "*. * at *:*: ") ||
2821 looking_at(buf, &i, "--* (*:*): ") ||
2822 /* Message notifications (same color as tells) */
2823 looking_at(buf, &i, "* has left a message ") ||
2824 looking_at(buf, &i, "* just sent you a message:\n") ||
2825 /* Whispers and kibitzes */
2826 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2827 looking_at(buf, &i, "* kibitzes: ") ||
2829 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2831 if (tkind == 1 && strchr(star_match[0], ':')) {
2832 /* Avoid "tells you:" spoofs in channels */
2835 if (star_match[0][0] == NULLCHAR ||
2836 strchr(star_match[0], ' ') ||
2837 (tkind == 3 && strchr(star_match[1], ' '))) {
2838 /* Reject bogus matches */
2841 if (appData.colorize) {
2842 if (oldi > next_out) {
2843 SendToPlayer(&buf[next_out], oldi - next_out);
2848 Colorize(ColorTell, FALSE);
2849 curColor = ColorTell;
2852 Colorize(ColorKibitz, FALSE);
2853 curColor = ColorKibitz;
2856 p = strrchr(star_match[1], '(');
2863 Colorize(ColorChannel1, FALSE);
2864 curColor = ColorChannel1;
2866 Colorize(ColorChannel, FALSE);
2867 curColor = ColorChannel;
2871 curColor = ColorNormal;
2875 if (started == STARTED_NONE && appData.autoComment &&
2876 (gameMode == IcsObserving ||
2877 gameMode == IcsPlayingWhite ||
2878 gameMode == IcsPlayingBlack)) {
2879 parse_pos = i - oldi;
2880 memcpy(parse, &buf[oldi], parse_pos);
2881 parse[parse_pos] = NULLCHAR;
2882 started = STARTED_COMMENT;
2883 savingComment = TRUE;
2885 started = STARTED_CHATTER;
2886 savingComment = FALSE;
2893 if (looking_at(buf, &i, "* s-shouts: ") ||
2894 looking_at(buf, &i, "* c-shouts: ")) {
2895 if (appData.colorize) {
2896 if (oldi > next_out) {
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2900 Colorize(ColorSShout, FALSE);
2901 curColor = ColorSShout;
2904 started = STARTED_CHATTER;
2908 if (looking_at(buf, &i, "--->")) {
2913 if (looking_at(buf, &i, "* shouts: ") ||
2914 looking_at(buf, &i, "--> ")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorShout, FALSE);
2921 curColor = ColorShout;
2924 started = STARTED_CHATTER;
2928 if (looking_at( buf, &i, "Challenge:")) {
2929 if (appData.colorize) {
2930 if (oldi > next_out) {
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2934 Colorize(ColorChallenge, FALSE);
2935 curColor = ColorChallenge;
2941 if (looking_at(buf, &i, "* offers you") ||
2942 looking_at(buf, &i, "* offers to be") ||
2943 looking_at(buf, &i, "* would like to") ||
2944 looking_at(buf, &i, "* requests to") ||
2945 looking_at(buf, &i, "Your opponent offers") ||
2946 looking_at(buf, &i, "Your opponent requests")) {
2948 if (appData.colorize) {
2949 if (oldi > next_out) {
2950 SendToPlayer(&buf[next_out], oldi - next_out);
2953 Colorize(ColorRequest, FALSE);
2954 curColor = ColorRequest;
2959 if (looking_at(buf, &i, "* (*) seeking")) {
2960 if (appData.colorize) {
2961 if (oldi > next_out) {
2962 SendToPlayer(&buf[next_out], oldi - next_out);
2965 Colorize(ColorSeek, FALSE);
2966 curColor = ColorSeek;
2971 if (looking_at(buf, &i, "\\ ")) {
2972 if (prevColor != ColorNormal) {
2973 if (oldi > next_out) {
2974 SendToPlayer(&buf[next_out], oldi - next_out);
2977 Colorize(prevColor, TRUE);
2978 curColor = prevColor;
2980 if (savingComment) {
2981 parse_pos = i - oldi;
2982 memcpy(parse, &buf[oldi], parse_pos);
2983 parse[parse_pos] = NULLCHAR;
2984 started = STARTED_COMMENT;
2985 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2986 chattingPartner = savingComment - 3; // kludge to remember the box
2988 started = STARTED_CHATTER;
2993 if (looking_at(buf, &i, "Black Strength :") ||
2994 looking_at(buf, &i, "<<< style 10 board >>>") ||
2995 looking_at(buf, &i, "<10>") ||
2996 looking_at(buf, &i, "#@#")) {
2997 /* Wrong board style */
2999 SendToICS(ics_prefix);
3000 SendToICS("set style 12\n");
3001 SendToICS(ics_prefix);
3002 SendToICS("refresh\n");
3006 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3008 have_sent_ICS_logon = 1;
3012 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3013 (looking_at(buf, &i, "\n<12> ") ||
3014 looking_at(buf, &i, "<12> "))) {
3016 if (oldi > next_out) {
3017 SendToPlayer(&buf[next_out], oldi - next_out);
3020 started = STARTED_BOARD;
3025 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3026 looking_at(buf, &i, "<b1> ")) {
3027 if (oldi > next_out) {
3028 SendToPlayer(&buf[next_out], oldi - next_out);
3031 started = STARTED_HOLDINGS;
3036 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3038 /* Header for a move list -- first line */
3040 switch (ics_getting_history) {
3044 case BeginningOfGame:
3045 /* User typed "moves" or "oldmoves" while we
3046 were idle. Pretend we asked for these
3047 moves and soak them up so user can step
3048 through them and/or save them.
3051 gameMode = IcsObserving;
3054 ics_getting_history = H_GOT_UNREQ_HEADER;
3056 case EditGame: /*?*/
3057 case EditPosition: /*?*/
3058 /* Should above feature work in these modes too? */
3059 /* For now it doesn't */
3060 ics_getting_history = H_GOT_UNWANTED_HEADER;
3063 ics_getting_history = H_GOT_UNWANTED_HEADER;
3068 /* Is this the right one? */
3069 if (gameInfo.white && gameInfo.black &&
3070 strcmp(gameInfo.white, star_match[0]) == 0 &&
3071 strcmp(gameInfo.black, star_match[2]) == 0) {
3073 ics_getting_history = H_GOT_REQ_HEADER;
3076 case H_GOT_REQ_HEADER:
3077 case H_GOT_UNREQ_HEADER:
3078 case H_GOT_UNWANTED_HEADER:
3079 case H_GETTING_MOVES:
3080 /* Should not happen */
3081 DisplayError(_("Error gathering move list: two headers"), 0);
3082 ics_getting_history = H_FALSE;
3086 /* Save player ratings into gameInfo if needed */
3087 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3088 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3089 (gameInfo.whiteRating == -1 ||
3090 gameInfo.blackRating == -1)) {
3092 gameInfo.whiteRating = string_to_rating(star_match[1]);
3093 gameInfo.blackRating = string_to_rating(star_match[3]);
3094 if (appData.debugMode)
3095 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3096 gameInfo.whiteRating, gameInfo.blackRating);
3101 if (looking_at(buf, &i,
3102 "* * match, initial time: * minute*, increment: * second")) {
3103 /* Header for a move list -- second line */
3104 /* Initial board will follow if this is a wild game */
3105 if (gameInfo.event != NULL) free(gameInfo.event);
3106 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3107 gameInfo.event = StrSave(str);
3108 /* [HGM] we switched variant. Translate boards if needed. */
3109 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3113 if (looking_at(buf, &i, "Move ")) {
3114 /* Beginning of a move list */
3115 switch (ics_getting_history) {
3117 /* Normally should not happen */
3118 /* Maybe user hit reset while we were parsing */
3121 /* Happens if we are ignoring a move list that is not
3122 * the one we just requested. Common if the user
3123 * tries to observe two games without turning off
3126 case H_GETTING_MOVES:
3127 /* Should not happen */
3128 DisplayError(_("Error gathering move list: nested"), 0);
3129 ics_getting_history = H_FALSE;
3131 case H_GOT_REQ_HEADER:
3132 ics_getting_history = H_GETTING_MOVES;
3133 started = STARTED_MOVES;
3135 if (oldi > next_out) {
3136 SendToPlayer(&buf[next_out], oldi - next_out);
3139 case H_GOT_UNREQ_HEADER:
3140 ics_getting_history = H_GETTING_MOVES;
3141 started = STARTED_MOVES_NOHIDE;
3144 case H_GOT_UNWANTED_HEADER:
3145 ics_getting_history = H_FALSE;
3151 if (looking_at(buf, &i, "% ") ||
3152 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3153 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3154 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3155 soughtPending = FALSE;
3159 if(suppressKibitz) next_out = i;
3160 savingComment = FALSE;
3164 case STARTED_MOVES_NOHIDE:
3165 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3166 parse[parse_pos + i - oldi] = NULLCHAR;
3167 ParseGameHistory(parse);
3169 if (appData.zippyPlay && first.initDone) {
3170 FeedMovesToProgram(&first, forwardMostMove);
3171 if (gameMode == IcsPlayingWhite) {
3172 if (WhiteOnMove(forwardMostMove)) {
3173 if (first.sendTime) {
3174 if (first.useColors) {
3175 SendToProgram("black\n", &first);
3177 SendTimeRemaining(&first, TRUE);
3179 if (first.useColors) {
3180 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3182 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3183 first.maybeThinking = TRUE;
3185 if (first.usePlayother) {
3186 if (first.sendTime) {
3187 SendTimeRemaining(&first, TRUE);
3189 SendToProgram("playother\n", &first);
3195 } else if (gameMode == IcsPlayingBlack) {
3196 if (!WhiteOnMove(forwardMostMove)) {
3197 if (first.sendTime) {
3198 if (first.useColors) {
3199 SendToProgram("white\n", &first);
3201 SendTimeRemaining(&first, FALSE);
3203 if (first.useColors) {
3204 SendToProgram("black\n", &first);
3206 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3207 first.maybeThinking = TRUE;
3209 if (first.usePlayother) {
3210 if (first.sendTime) {
3211 SendTimeRemaining(&first, FALSE);
3213 SendToProgram("playother\n", &first);
3222 if (gameMode == IcsObserving && ics_gamenum == -1) {
3223 /* Moves came from oldmoves or moves command
3224 while we weren't doing anything else.
3226 currentMove = forwardMostMove;
3227 ClearHighlights();/*!!could figure this out*/
3228 flipView = appData.flipView;
3229 DrawPosition(TRUE, boards[currentMove]);
3230 DisplayBothClocks();
3231 sprintf(str, "%s vs. %s",
3232 gameInfo.white, gameInfo.black);
3236 /* Moves were history of an active game */
3237 if (gameInfo.resultDetails != NULL) {
3238 free(gameInfo.resultDetails);
3239 gameInfo.resultDetails = NULL;
3242 HistorySet(parseList, backwardMostMove,
3243 forwardMostMove, currentMove-1);
3244 DisplayMove(currentMove - 1);
3245 if (started == STARTED_MOVES) next_out = i;
3246 started = STARTED_NONE;
3247 ics_getting_history = H_FALSE;
3250 case STARTED_OBSERVE:
3251 started = STARTED_NONE;
3252 SendToICS(ics_prefix);
3253 SendToICS("refresh\n");
3259 if(bookHit) { // [HGM] book: simulate book reply
3260 static char bookMove[MSG_SIZ]; // a bit generous?
3262 programStats.nodes = programStats.depth = programStats.time =
3263 programStats.score = programStats.got_only_move = 0;
3264 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3266 strcpy(bookMove, "move ");
3267 strcat(bookMove, bookHit);
3268 HandleMachineMove(bookMove, &first);
3273 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3274 started == STARTED_HOLDINGS ||
3275 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3276 /* Accumulate characters in move list or board */
3277 parse[parse_pos++] = buf[i];
3280 /* Start of game messages. Mostly we detect start of game
3281 when the first board image arrives. On some versions
3282 of the ICS, though, we need to do a "refresh" after starting
3283 to observe in order to get the current board right away. */
3284 if (looking_at(buf, &i, "Adding game * to observation list")) {
3285 started = STARTED_OBSERVE;
3289 /* Handle auto-observe */
3290 if (appData.autoObserve &&
3291 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3292 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3294 /* Choose the player that was highlighted, if any. */
3295 if (star_match[0][0] == '\033' ||
3296 star_match[1][0] != '\033') {
3297 player = star_match[0];
3299 player = star_match[2];
3301 sprintf(str, "%sobserve %s\n",
3302 ics_prefix, StripHighlightAndTitle(player));
3305 /* Save ratings from notify string */
3306 strcpy(player1Name, star_match[0]);
3307 player1Rating = string_to_rating(star_match[1]);
3308 strcpy(player2Name, star_match[2]);
3309 player2Rating = string_to_rating(star_match[3]);
3311 if (appData.debugMode)
3313 "Ratings from 'Game notification:' %s %d, %s %d\n",
3314 player1Name, player1Rating,
3315 player2Name, player2Rating);
3320 /* Deal with automatic examine mode after a game,
3321 and with IcsObserving -> IcsExamining transition */
3322 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3323 looking_at(buf, &i, "has made you an examiner of game *")) {
3325 int gamenum = atoi(star_match[0]);
3326 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3327 gamenum == ics_gamenum) {
3328 /* We were already playing or observing this game;
3329 no need to refetch history */
3330 gameMode = IcsExamining;
3332 pauseExamForwardMostMove = forwardMostMove;
3333 } else if (currentMove < forwardMostMove) {
3334 ForwardInner(forwardMostMove);
3337 /* I don't think this case really can happen */
3338 SendToICS(ics_prefix);
3339 SendToICS("refresh\n");
3344 /* Error messages */
3345 // if (ics_user_moved) {
3346 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3347 if (looking_at(buf, &i, "Illegal move") ||
3348 looking_at(buf, &i, "Not a legal move") ||
3349 looking_at(buf, &i, "Your king is in check") ||
3350 looking_at(buf, &i, "It isn't your turn") ||
3351 looking_at(buf, &i, "It is not your move")) {
3353 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3354 currentMove = forwardMostMove-1;
3355 DisplayMove(currentMove - 1); /* before DMError */
3356 DrawPosition(FALSE, boards[currentMove]);
3357 SwitchClocks(forwardMostMove-1); // [HGM] race
3358 DisplayBothClocks();
3360 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3366 if (looking_at(buf, &i, "still have time") ||
3367 looking_at(buf, &i, "not out of time") ||
3368 looking_at(buf, &i, "either player is out of time") ||
3369 looking_at(buf, &i, "has timeseal; checking")) {
3370 /* We must have called his flag a little too soon */
3371 whiteFlag = blackFlag = FALSE;
3375 if (looking_at(buf, &i, "added * seconds to") ||
3376 looking_at(buf, &i, "seconds were added to")) {
3377 /* Update the clocks */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3383 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3384 ics_clock_paused = TRUE;
3389 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3390 ics_clock_paused = FALSE;
3395 /* Grab player ratings from the Creating: message.
3396 Note we have to check for the special case when
3397 the ICS inserts things like [white] or [black]. */
3398 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3399 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3401 0 player 1 name (not necessarily white)
3403 2 empty, white, or black (IGNORED)
3404 3 player 2 name (not necessarily black)
3407 The names/ratings are sorted out when the game
3408 actually starts (below).
3410 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3411 player1Rating = string_to_rating(star_match[1]);
3412 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3413 player2Rating = string_to_rating(star_match[4]);
3415 if (appData.debugMode)
3417 "Ratings from 'Creating:' %s %d, %s %d\n",
3418 player1Name, player1Rating,
3419 player2Name, player2Rating);
3424 /* Improved generic start/end-of-game messages */
3425 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3426 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3427 /* If tkind == 0: */
3428 /* star_match[0] is the game number */
3429 /* [1] is the white player's name */
3430 /* [2] is the black player's name */
3431 /* For end-of-game: */
3432 /* [3] is the reason for the game end */
3433 /* [4] is a PGN end game-token, preceded by " " */
3434 /* For start-of-game: */
3435 /* [3] begins with "Creating" or "Continuing" */
3436 /* [4] is " *" or empty (don't care). */
3437 int gamenum = atoi(star_match[0]);
3438 char *whitename, *blackname, *why, *endtoken;
3439 ChessMove endtype = (ChessMove) 0;
3442 whitename = star_match[1];
3443 blackname = star_match[2];
3444 why = star_match[3];
3445 endtoken = star_match[4];
3447 whitename = star_match[1];
3448 blackname = star_match[3];
3449 why = star_match[5];
3450 endtoken = star_match[6];
3453 /* Game start messages */
3454 if (strncmp(why, "Creating ", 9) == 0 ||
3455 strncmp(why, "Continuing ", 11) == 0) {
3456 gs_gamenum = gamenum;
3457 strcpy(gs_kind, strchr(why, ' ') + 1);
3458 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3460 if (appData.zippyPlay) {
3461 ZippyGameStart(whitename, blackname);
3467 /* Game end messages */
3468 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3469 ics_gamenum != gamenum) {
3472 while (endtoken[0] == ' ') endtoken++;
3473 switch (endtoken[0]) {
3476 endtype = GameUnfinished;
3479 endtype = BlackWins;
3482 if (endtoken[1] == '/')
3483 endtype = GameIsDrawn;
3485 endtype = WhiteWins;
3488 GameEnds(endtype, why, GE_ICS);
3490 if (appData.zippyPlay && first.initDone) {
3491 ZippyGameEnd(endtype, why);
3492 if (first.pr == NULL) {
3493 /* Start the next process early so that we'll
3494 be ready for the next challenge */
3495 StartChessProgram(&first);
3497 /* Send "new" early, in case this command takes
3498 a long time to finish, so that we'll be ready
3499 for the next challenge. */
3500 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3507 if (looking_at(buf, &i, "Removing game * from observation") ||
3508 looking_at(buf, &i, "no longer observing game *") ||
3509 looking_at(buf, &i, "Game * (*) has no examiners")) {
3510 if (gameMode == IcsObserving &&
3511 atoi(star_match[0]) == ics_gamenum)
3513 /* icsEngineAnalyze */
3514 if (appData.icsEngineAnalyze) {
3521 ics_user_moved = FALSE;
3526 if (looking_at(buf, &i, "no longer examining game *")) {
3527 if (gameMode == IcsExamining &&
3528 atoi(star_match[0]) == ics_gamenum)
3532 ics_user_moved = FALSE;
3537 /* Advance leftover_start past any newlines we find,
3538 so only partial lines can get reparsed */
3539 if (looking_at(buf, &i, "\n")) {
3540 prevColor = curColor;
3541 if (curColor != ColorNormal) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(ColorNormal, FALSE);
3547 curColor = ColorNormal;
3549 if (started == STARTED_BOARD) {
3550 started = STARTED_NONE;
3551 parse[parse_pos] = NULLCHAR;
3552 ParseBoard12(parse);
3555 /* Send premove here */
3556 if (appData.premove) {
3558 if (currentMove == 0 &&
3559 gameMode == IcsPlayingWhite &&
3560 appData.premoveWhite) {
3561 sprintf(str, "%s\n", appData.premoveWhiteText);
3562 if (appData.debugMode)
3563 fprintf(debugFP, "Sending premove:\n");
3565 } else if (currentMove == 1 &&
3566 gameMode == IcsPlayingBlack &&
3567 appData.premoveBlack) {
3568 sprintf(str, "%s\n", appData.premoveBlackText);
3569 if (appData.debugMode)
3570 fprintf(debugFP, "Sending premove:\n");
3572 } else if (gotPremove) {
3574 ClearPremoveHighlights();
3575 if (appData.debugMode)
3576 fprintf(debugFP, "Sending premove:\n");
3577 UserMoveEvent(premoveFromX, premoveFromY,
3578 premoveToX, premoveToY,
3583 /* Usually suppress following prompt */
3584 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3585 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3586 if (looking_at(buf, &i, "*% ")) {
3587 savingComment = FALSE;
3592 } else if (started == STARTED_HOLDINGS) {
3594 char new_piece[MSG_SIZ];
3595 started = STARTED_NONE;
3596 parse[parse_pos] = NULLCHAR;
3597 if (appData.debugMode)
3598 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3599 parse, currentMove);
3600 if (sscanf(parse, " game %d", &gamenum) == 1) {
3601 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3602 if (gameInfo.variant == VariantNormal) {
3603 /* [HGM] We seem to switch variant during a game!
3604 * Presumably no holdings were displayed, so we have
3605 * to move the position two files to the right to
3606 * create room for them!
3608 VariantClass newVariant;
3609 switch(gameInfo.boardWidth) { // base guess on board width
3610 case 9: newVariant = VariantShogi; break;
3611 case 10: newVariant = VariantGreat; break;
3612 default: newVariant = VariantCrazyhouse; break;
3614 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3615 /* Get a move list just to see the header, which
3616 will tell us whether this is really bug or zh */
3617 if (ics_getting_history == H_FALSE) {
3618 ics_getting_history = H_REQUESTED;
3619 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3623 new_piece[0] = NULLCHAR;
3624 sscanf(parse, "game %d white [%s black [%s <- %s",
3625 &gamenum, white_holding, black_holding,
3627 white_holding[strlen(white_holding)-1] = NULLCHAR;
3628 black_holding[strlen(black_holding)-1] = NULLCHAR;
3629 /* [HGM] copy holdings to board holdings area */
3630 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3631 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3632 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3634 if (appData.zippyPlay && first.initDone) {
3635 ZippyHoldings(white_holding, black_holding,
3639 if (tinyLayout || smallLayout) {
3640 char wh[16], bh[16];
3641 PackHolding(wh, white_holding);
3642 PackHolding(bh, black_holding);
3643 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3644 gameInfo.white, gameInfo.black);
3646 sprintf(str, "%s [%s] vs. %s [%s]",
3647 gameInfo.white, white_holding,
3648 gameInfo.black, black_holding);
3651 DrawPosition(FALSE, boards[currentMove]);
3653 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3654 sscanf(parse, "game %d white [%s black [%s <- %s",
3655 &gamenum, white_holding, black_holding,
3657 white_holding[strlen(white_holding)-1] = NULLCHAR;
3658 black_holding[strlen(black_holding)-1] = NULLCHAR;
3659 /* [HGM] copy holdings to partner-board holdings area */
3660 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3661 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3662 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3665 /* Suppress following prompt */
3666 if (looking_at(buf, &i, "*% ")) {
3667 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3668 savingComment = FALSE;
3676 i++; /* skip unparsed character and loop back */
3679 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3680 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3681 // SendToPlayer(&buf[next_out], i - next_out);
3682 started != STARTED_HOLDINGS && leftover_start > next_out) {
3683 SendToPlayer(&buf[next_out], leftover_start - next_out);
3687 leftover_len = buf_len - leftover_start;
3688 /* if buffer ends with something we couldn't parse,
3689 reparse it after appending the next read */
3691 } else if (count == 0) {
3692 RemoveInputSource(isr);
3693 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3695 DisplayFatalError(_("Error reading from ICS"), error, 1);
3700 /* Board style 12 looks like this:
3702 <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
3704 * The "<12> " is stripped before it gets to this routine. The two
3705 * trailing 0's (flip state and clock ticking) are later addition, and
3706 * some chess servers may not have them, or may have only the first.
3707 * Additional trailing fields may be added in the future.
3710 #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"
3712 #define RELATION_OBSERVING_PLAYED 0
3713 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3714 #define RELATION_PLAYING_MYMOVE 1
3715 #define RELATION_PLAYING_NOTMYMOVE -1
3716 #define RELATION_EXAMINING 2
3717 #define RELATION_ISOLATED_BOARD -3
3718 #define RELATION_STARTING_POSITION -4 /* FICS only */
3721 ParseBoard12(string)
3724 GameMode newGameMode;
3725 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3726 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3727 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3728 char to_play, board_chars[200];
3729 char move_str[500], str[500], elapsed_time[500];
3730 char black[32], white[32];
3732 int prevMove = currentMove;
3735 int fromX, fromY, toX, toY;
3737 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3738 char *bookHit = NULL; // [HGM] book
3739 Boolean weird = FALSE, reqFlag = FALSE;
3741 fromX = fromY = toX = toY = -1;
3745 if (appData.debugMode)
3746 fprintf(debugFP, _("Parsing board: %s\n"), string);
3748 move_str[0] = NULLCHAR;
3749 elapsed_time[0] = NULLCHAR;
3750 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3752 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3753 if(string[i] == ' ') { ranks++; files = 0; }
3755 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3758 for(j = 0; j <i; j++) board_chars[j] = string[j];
3759 board_chars[i] = '\0';
3762 n = sscanf(string, PATTERN, &to_play, &double_push,
3763 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3764 &gamenum, white, black, &relation, &basetime, &increment,
3765 &white_stren, &black_stren, &white_time, &black_time,
3766 &moveNum, str, elapsed_time, move_str, &ics_flip,
3770 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3771 DisplayError(str, 0);
3775 /* Convert the move number to internal form */
3776 moveNum = (moveNum - 1) * 2;
3777 if (to_play == 'B') moveNum++;
3778 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3779 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3785 case RELATION_OBSERVING_PLAYED:
3786 case RELATION_OBSERVING_STATIC:
3787 if (gamenum == -1) {
3788 /* Old ICC buglet */
3789 relation = RELATION_OBSERVING_STATIC;
3791 newGameMode = IcsObserving;
3793 case RELATION_PLAYING_MYMOVE:
3794 case RELATION_PLAYING_NOTMYMOVE:
3796 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3797 IcsPlayingWhite : IcsPlayingBlack;
3799 case RELATION_EXAMINING:
3800 newGameMode = IcsExamining;
3802 case RELATION_ISOLATED_BOARD:
3804 /* Just display this board. If user was doing something else,
3805 we will forget about it until the next board comes. */
3806 newGameMode = IcsIdle;
3808 case RELATION_STARTING_POSITION:
3809 newGameMode = gameMode;
3813 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3814 && newGameMode == IcsObserving && appData.bgObserve) {
3815 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3817 for (k = 0; k < ranks; k++) {
3818 for (j = 0; j < files; j++)
3819 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3820 if(gameInfo.holdingsWidth > 1) {
3821 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3822 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3825 CopyBoard(partnerBoard, board);
3826 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3827 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3828 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3829 DisplayMessage(buf, "");
3833 /* Modify behavior for initial board display on move listing
3836 switch (ics_getting_history) {
3840 case H_GOT_REQ_HEADER:
3841 case H_GOT_UNREQ_HEADER:
3842 /* This is the initial position of the current game */
3843 gamenum = ics_gamenum;
3844 moveNum = 0; /* old ICS bug workaround */
3845 if (to_play == 'B') {
3846 startedFromSetupPosition = TRUE;
3847 blackPlaysFirst = TRUE;
3849 if (forwardMostMove == 0) forwardMostMove = 1;
3850 if (backwardMostMove == 0) backwardMostMove = 1;
3851 if (currentMove == 0) currentMove = 1;
3853 newGameMode = gameMode;
3854 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3856 case H_GOT_UNWANTED_HEADER:
3857 /* This is an initial board that we don't want */
3859 case H_GETTING_MOVES:
3860 /* Should not happen */
3861 DisplayError(_("Error gathering move list: extra board"), 0);
3862 ics_getting_history = H_FALSE;
3866 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3867 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3868 /* [HGM] We seem to have switched variant unexpectedly
3869 * Try to guess new variant from board size
3871 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3872 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3873 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3874 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3875 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3876 if(!weird) newVariant = VariantNormal;
3877 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3878 /* Get a move list just to see the header, which
3879 will tell us whether this is really bug or zh */
3880 if (ics_getting_history == H_FALSE) {
3881 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3882 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3887 /* Take action if this is the first board of a new game, or of a
3888 different game than is currently being displayed. */
3889 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3890 relation == RELATION_ISOLATED_BOARD) {
3892 /* Forget the old game and get the history (if any) of the new one */
3893 if (gameMode != BeginningOfGame) {
3897 if (appData.autoRaiseBoard) BoardToTop();
3899 if (gamenum == -1) {
3900 newGameMode = IcsIdle;
3901 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3902 appData.getMoveList && !reqFlag) {
3903 /* Need to get game history */
3904 ics_getting_history = H_REQUESTED;
3905 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3909 /* Initially flip the board to have black on the bottom if playing
3910 black or if the ICS flip flag is set, but let the user change
3911 it with the Flip View button. */
3912 flipView = appData.autoFlipView ?
3913 (newGameMode == IcsPlayingBlack) || ics_flip :
3916 /* Done with values from previous mode; copy in new ones */
3917 gameMode = newGameMode;
3919 ics_gamenum = gamenum;
3920 if (gamenum == gs_gamenum) {
3921 int klen = strlen(gs_kind);
3922 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3923 sprintf(str, "ICS %s", gs_kind);
3924 gameInfo.event = StrSave(str);
3926 gameInfo.event = StrSave("ICS game");
3928 gameInfo.site = StrSave(appData.icsHost);
3929 gameInfo.date = PGNDate();
3930 gameInfo.round = StrSave("-");
3931 gameInfo.white = StrSave(white);
3932 gameInfo.black = StrSave(black);
3933 timeControl = basetime * 60 * 1000;
3935 timeIncrement = increment * 1000;
3936 movesPerSession = 0;
3937 gameInfo.timeControl = TimeControlTagValue();
3938 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3939 if (appData.debugMode) {
3940 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3941 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3942 setbuf(debugFP, NULL);
3945 gameInfo.outOfBook = NULL;
3947 /* Do we have the ratings? */
3948 if (strcmp(player1Name, white) == 0 &&
3949 strcmp(player2Name, black) == 0) {
3950 if (appData.debugMode)
3951 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3952 player1Rating, player2Rating);
3953 gameInfo.whiteRating = player1Rating;
3954 gameInfo.blackRating = player2Rating;
3955 } else if (strcmp(player2Name, white) == 0 &&
3956 strcmp(player1Name, black) == 0) {
3957 if (appData.debugMode)
3958 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3959 player2Rating, player1Rating);
3960 gameInfo.whiteRating = player2Rating;
3961 gameInfo.blackRating = player1Rating;
3963 player1Name[0] = player2Name[0] = NULLCHAR;
3965 /* Silence shouts if requested */
3966 if (appData.quietPlay &&
3967 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3968 SendToICS(ics_prefix);
3969 SendToICS("set shout 0\n");
3973 /* Deal with midgame name changes */
3975 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3976 if (gameInfo.white) free(gameInfo.white);
3977 gameInfo.white = StrSave(white);
3979 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3980 if (gameInfo.black) free(gameInfo.black);
3981 gameInfo.black = StrSave(black);
3985 /* Throw away game result if anything actually changes in examine mode */
3986 if (gameMode == IcsExamining && !newGame) {
3987 gameInfo.result = GameUnfinished;
3988 if (gameInfo.resultDetails != NULL) {
3989 free(gameInfo.resultDetails);
3990 gameInfo.resultDetails = NULL;
3994 /* In pausing && IcsExamining mode, we ignore boards coming
3995 in if they are in a different variation than we are. */
3996 if (pauseExamInvalid) return;
3997 if (pausing && gameMode == IcsExamining) {
3998 if (moveNum <= pauseExamForwardMostMove) {
3999 pauseExamInvalid = TRUE;
4000 forwardMostMove = pauseExamForwardMostMove;
4005 if (appData.debugMode) {
4006 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4008 /* Parse the board */
4009 for (k = 0; k < ranks; k++) {
4010 for (j = 0; j < files; j++)
4011 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4012 if(gameInfo.holdingsWidth > 1) {
4013 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4014 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4017 CopyBoard(boards[moveNum], board);
4018 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4020 startedFromSetupPosition =
4021 !CompareBoards(board, initialPosition);
4022 if(startedFromSetupPosition)
4023 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4026 /* [HGM] Set castling rights. Take the outermost Rooks,
4027 to make it also work for FRC opening positions. Note that board12
4028 is really defective for later FRC positions, as it has no way to
4029 indicate which Rook can castle if they are on the same side of King.
4030 For the initial position we grant rights to the outermost Rooks,
4031 and remember thos rights, and we then copy them on positions
4032 later in an FRC game. This means WB might not recognize castlings with
4033 Rooks that have moved back to their original position as illegal,
4034 but in ICS mode that is not its job anyway.
4036 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4037 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4039 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4040 if(board[0][i] == WhiteRook) j = i;
4041 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4042 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4043 if(board[0][i] == WhiteRook) j = i;
4044 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4045 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4046 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4047 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4048 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4049 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4050 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4052 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4053 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4054 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4055 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4056 if(board[BOARD_HEIGHT-1][k] == bKing)
4057 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4058 if(gameInfo.variant == VariantTwoKings) {
4059 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4060 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4061 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4064 r = boards[moveNum][CASTLING][0] = initialRights[0];
4065 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4066 r = boards[moveNum][CASTLING][1] = initialRights[1];
4067 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4068 r = boards[moveNum][CASTLING][3] = initialRights[3];
4069 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4070 r = boards[moveNum][CASTLING][4] = initialRights[4];
4071 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4072 /* wildcastle kludge: always assume King has rights */
4073 r = boards[moveNum][CASTLING][2] = initialRights[2];
4074 r = boards[moveNum][CASTLING][5] = initialRights[5];
4076 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4077 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4080 if (ics_getting_history == H_GOT_REQ_HEADER ||
4081 ics_getting_history == H_GOT_UNREQ_HEADER) {
4082 /* This was an initial position from a move list, not
4083 the current position */
4087 /* Update currentMove and known move number limits */
4088 newMove = newGame || moveNum > forwardMostMove;
4091 forwardMostMove = backwardMostMove = currentMove = moveNum;
4092 if (gameMode == IcsExamining && moveNum == 0) {
4093 /* Workaround for ICS limitation: we are not told the wild
4094 type when starting to examine a game. But if we ask for
4095 the move list, the move list header will tell us */
4096 ics_getting_history = H_REQUESTED;
4097 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4100 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4101 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4103 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4104 /* [HGM] applied this also to an engine that is silently watching */
4105 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4106 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4107 gameInfo.variant == currentlyInitializedVariant) {
4108 takeback = forwardMostMove - moveNum;
4109 for (i = 0; i < takeback; i++) {
4110 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4111 SendToProgram("undo\n", &first);
4116 forwardMostMove = moveNum;
4117 if (!pausing || currentMove > forwardMostMove)
4118 currentMove = forwardMostMove;
4120 /* New part of history that is not contiguous with old part */
4121 if (pausing && gameMode == IcsExamining) {
4122 pauseExamInvalid = TRUE;
4123 forwardMostMove = pauseExamForwardMostMove;
4126 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4128 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4129 // [HGM] when we will receive the move list we now request, it will be
4130 // fed to the engine from the first move on. So if the engine is not
4131 // in the initial position now, bring it there.
4132 InitChessProgram(&first, 0);
4135 ics_getting_history = H_REQUESTED;
4136 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4139 forwardMostMove = backwardMostMove = currentMove = moveNum;
4142 /* Update the clocks */
4143 if (strchr(elapsed_time, '.')) {
4145 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4146 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4148 /* Time is in seconds */
4149 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4150 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4155 if (appData.zippyPlay && newGame &&
4156 gameMode != IcsObserving && gameMode != IcsIdle &&
4157 gameMode != IcsExamining)
4158 ZippyFirstBoard(moveNum, basetime, increment);
4161 /* Put the move on the move list, first converting
4162 to canonical algebraic form. */
4164 if (appData.debugMode) {
4165 if (appData.debugMode) { int f = forwardMostMove;
4166 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4167 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4168 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4170 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4171 fprintf(debugFP, "moveNum = %d\n", moveNum);
4172 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4173 setbuf(debugFP, NULL);
4175 if (moveNum <= backwardMostMove) {
4176 /* We don't know what the board looked like before
4178 strcpy(parseList[moveNum - 1], move_str);
4179 strcat(parseList[moveNum - 1], " ");
4180 strcat(parseList[moveNum - 1], elapsed_time);
4181 moveList[moveNum - 1][0] = NULLCHAR;
4182 } else if (strcmp(move_str, "none") == 0) {
4183 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4184 /* Again, we don't know what the board looked like;
4185 this is really the start of the game. */
4186 parseList[moveNum - 1][0] = NULLCHAR;
4187 moveList[moveNum - 1][0] = NULLCHAR;
4188 backwardMostMove = moveNum;
4189 startedFromSetupPosition = TRUE;
4190 fromX = fromY = toX = toY = -1;
4192 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4193 // So we parse the long-algebraic move string in stead of the SAN move
4194 int valid; char buf[MSG_SIZ], *prom;
4196 // str looks something like "Q/a1-a2"; kill the slash
4198 sprintf(buf, "%c%s", str[0], str+2);
4199 else strcpy(buf, str); // might be castling
4200 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4201 strcat(buf, prom); // long move lacks promo specification!
4202 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4203 if(appData.debugMode)
4204 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4205 strcpy(move_str, buf);
4207 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4208 &fromX, &fromY, &toX, &toY, &promoChar)
4209 || ParseOneMove(buf, moveNum - 1, &moveType,
4210 &fromX, &fromY, &toX, &toY, &promoChar);
4211 // end of long SAN patch
4213 (void) CoordsToAlgebraic(boards[moveNum - 1],
4214 PosFlags(moveNum - 1),
4215 fromY, fromX, toY, toX, promoChar,
4216 parseList[moveNum-1]);
4217 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4223 if(gameInfo.variant != VariantShogi)
4224 strcat(parseList[moveNum - 1], "+");
4227 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4228 strcat(parseList[moveNum - 1], "#");
4231 strcat(parseList[moveNum - 1], " ");
4232 strcat(parseList[moveNum - 1], elapsed_time);
4233 /* currentMoveString is set as a side-effect of ParseOneMove */
4234 strcpy(moveList[moveNum - 1], currentMoveString);
4235 strcat(moveList[moveNum - 1], "\n");
4237 /* Move from ICS was illegal!? Punt. */
4238 if (appData.debugMode) {
4239 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4242 strcpy(parseList[moveNum - 1], move_str);
4243 strcat(parseList[moveNum - 1], " ");
4244 strcat(parseList[moveNum - 1], elapsed_time);
4245 moveList[moveNum - 1][0] = NULLCHAR;
4246 fromX = fromY = toX = toY = -1;
4249 if (appData.debugMode) {
4250 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4251 setbuf(debugFP, NULL);
4255 /* Send move to chess program (BEFORE animating it). */
4256 if (appData.zippyPlay && !newGame && newMove &&
4257 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4259 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4260 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4261 if (moveList[moveNum - 1][0] == NULLCHAR) {
4262 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4264 DisplayError(str, 0);
4266 if (first.sendTime) {
4267 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4269 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4270 if (firstMove && !bookHit) {
4272 if (first.useColors) {
4273 SendToProgram(gameMode == IcsPlayingWhite ?
4275 "black\ngo\n", &first);
4277 SendToProgram("go\n", &first);
4279 first.maybeThinking = TRUE;
4282 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4283 if (moveList[moveNum - 1][0] == NULLCHAR) {
4284 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4285 DisplayError(str, 0);
4287 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4288 SendMoveToProgram(moveNum - 1, &first);
4295 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4296 /* If move comes from a remote source, animate it. If it
4297 isn't remote, it will have already been animated. */
4298 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4299 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4301 if (!pausing && appData.highlightLastMove) {
4302 SetHighlights(fromX, fromY, toX, toY);
4306 /* Start the clocks */
4307 whiteFlag = blackFlag = FALSE;
4308 appData.clockMode = !(basetime == 0 && increment == 0);
4310 ics_clock_paused = TRUE;
4312 } else if (ticking == 1) {
4313 ics_clock_paused = FALSE;
4315 if (gameMode == IcsIdle ||
4316 relation == RELATION_OBSERVING_STATIC ||
4317 relation == RELATION_EXAMINING ||
4319 DisplayBothClocks();
4323 /* Display opponents and material strengths */
4324 if (gameInfo.variant != VariantBughouse &&
4325 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4326 if (tinyLayout || smallLayout) {
4327 if(gameInfo.variant == VariantNormal)
4328 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4329 gameInfo.white, white_stren, gameInfo.black, black_stren,
4330 basetime, increment);
4332 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4333 gameInfo.white, white_stren, gameInfo.black, black_stren,
4334 basetime, increment, (int) gameInfo.variant);
4336 if(gameInfo.variant == VariantNormal)
4337 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4338 gameInfo.white, white_stren, gameInfo.black, black_stren,
4339 basetime, increment);
4341 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4342 gameInfo.white, white_stren, gameInfo.black, black_stren,
4343 basetime, increment, VariantName(gameInfo.variant));
4346 if (appData.debugMode) {
4347 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4352 /* Display the board */
4353 if (!pausing && !appData.noGUI) {
4355 if (appData.premove)
4357 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4358 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4359 ClearPremoveHighlights();
4361 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4362 DrawPosition(j, boards[currentMove]);
4364 DisplayMove(moveNum - 1);
4365 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4366 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4367 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4368 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4372 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4374 if(bookHit) { // [HGM] book: simulate book reply
4375 static char bookMove[MSG_SIZ]; // a bit generous?
4377 programStats.nodes = programStats.depth = programStats.time =
4378 programStats.score = programStats.got_only_move = 0;
4379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4381 strcpy(bookMove, "move ");
4382 strcat(bookMove, bookHit);
4383 HandleMachineMove(bookMove, &first);
4392 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4393 ics_getting_history = H_REQUESTED;
4394 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4400 AnalysisPeriodicEvent(force)
4403 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4404 && !force) || !appData.periodicUpdates)
4407 /* Send . command to Crafty to collect stats */
4408 SendToProgram(".\n", &first);
4410 /* Don't send another until we get a response (this makes
4411 us stop sending to old Crafty's which don't understand
4412 the "." command (sending illegal cmds resets node count & time,
4413 which looks bad)) */
4414 programStats.ok_to_send = 0;
4417 void ics_update_width(new_width)
4420 ics_printf("set width %d\n", new_width);
4424 SendMoveToProgram(moveNum, cps)
4426 ChessProgramState *cps;
4430 if (cps->useUsermove) {
4431 SendToProgram("usermove ", cps);
4435 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4436 int len = space - parseList[moveNum];
4437 memcpy(buf, parseList[moveNum], len);
4439 buf[len] = NULLCHAR;
4441 sprintf(buf, "%s\n", parseList[moveNum]);
4443 SendToProgram(buf, cps);
4445 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4446 AlphaRank(moveList[moveNum], 4);
4447 SendToProgram(moveList[moveNum], cps);
4448 AlphaRank(moveList[moveNum], 4); // and back
4450 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4451 * the engine. It would be nice to have a better way to identify castle
4453 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4454 && cps->useOOCastle) {
4455 int fromX = moveList[moveNum][0] - AAA;
4456 int fromY = moveList[moveNum][1] - ONE;
4457 int toX = moveList[moveNum][2] - AAA;
4458 int toY = moveList[moveNum][3] - ONE;
4459 if((boards[moveNum][fromY][fromX] == WhiteKing
4460 && boards[moveNum][toY][toX] == WhiteRook)
4461 || (boards[moveNum][fromY][fromX] == BlackKing
4462 && boards[moveNum][toY][toX] == BlackRook)) {
4463 if(toX > fromX) SendToProgram("O-O\n", cps);
4464 else SendToProgram("O-O-O\n", cps);
4466 else SendToProgram(moveList[moveNum], cps);
4468 else SendToProgram(moveList[moveNum], cps);
4469 /* End of additions by Tord */
4472 /* [HGM] setting up the opening has brought engine in force mode! */
4473 /* Send 'go' if we are in a mode where machine should play. */
4474 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4475 (gameMode == TwoMachinesPlay ||
4477 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4479 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4480 SendToProgram("go\n", cps);
4481 if (appData.debugMode) {
4482 fprintf(debugFP, "(extra)\n");
4485 setboardSpoiledMachineBlack = 0;
4489 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4491 int fromX, fromY, toX, toY;
4493 char user_move[MSG_SIZ];
4497 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4498 (int)moveType, fromX, fromY, toX, toY);
4499 DisplayError(user_move + strlen("say "), 0);
4501 case WhiteKingSideCastle:
4502 case BlackKingSideCastle:
4503 case WhiteQueenSideCastleWild:
4504 case BlackQueenSideCastleWild:
4506 case WhiteHSideCastleFR:
4507 case BlackHSideCastleFR:
4509 sprintf(user_move, "o-o\n");
4511 case WhiteQueenSideCastle:
4512 case BlackQueenSideCastle:
4513 case WhiteKingSideCastleWild:
4514 case BlackKingSideCastleWild:
4516 case WhiteASideCastleFR:
4517 case BlackASideCastleFR:
4519 sprintf(user_move, "o-o-o\n");
4521 case WhitePromotionQueen:
4522 case BlackPromotionQueen:
4523 case WhitePromotionRook:
4524 case BlackPromotionRook:
4525 case WhitePromotionBishop:
4526 case BlackPromotionBishop:
4527 case WhitePromotionKnight:
4528 case BlackPromotionKnight:
4529 case WhitePromotionKing:
4530 case BlackPromotionKing:
4531 case WhitePromotionChancellor:
4532 case BlackPromotionChancellor:
4533 case WhitePromotionArchbishop:
4534 case BlackPromotionArchbishop:
4535 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4536 sprintf(user_move, "%c%c%c%c=%c\n",
4537 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4538 PieceToChar(WhiteFerz));
4539 else if(gameInfo.variant == VariantGreat)
4540 sprintf(user_move, "%c%c%c%c=%c\n",
4541 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4542 PieceToChar(WhiteMan));
4544 sprintf(user_move, "%c%c%c%c=%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4546 PieceToChar(PromoPiece(moveType)));
4550 sprintf(user_move, "%c@%c%c\n",
4551 ToUpper(PieceToChar((ChessSquare) fromX)),
4552 AAA + toX, ONE + toY);
4555 case WhiteCapturesEnPassant:
4556 case BlackCapturesEnPassant:
4557 case IllegalMove: /* could be a variant we don't quite understand */
4558 sprintf(user_move, "%c%c%c%c\n",
4559 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4562 SendToICS(user_move);
4563 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4564 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4569 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4570 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4571 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4572 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4573 DisplayError("You cannot do this while you are playing or observing", 0);
4576 if(gameMode != IcsExamining) { // is this ever not the case?
4577 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4579 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4580 sprintf(command, "match %s", ics_handle);
4581 } else { // on FICS we must first go to general examine mode
4582 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4584 if(gameInfo.variant != VariantNormal) {
4585 // try figure out wild number, as xboard names are not always valid on ICS
4586 for(i=1; i<=36; i++) {
4587 sprintf(buf, "wild/%d", i);
4588 if(StringToVariant(buf) == gameInfo.variant) break;
4590 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4591 else if(i == 22) sprintf(buf, "%s fr\n", command);
4592 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4593 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4594 SendToICS(ics_prefix);
4596 if(startedFromSetupPosition || backwardMostMove != 0) {
4597 fen = PositionToFEN(backwardMostMove, NULL);
4598 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4599 sprintf(buf, "loadfen %s\n", fen);
4601 } else { // FICS: everything has to set by separate bsetup commands
4602 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4603 sprintf(buf, "bsetup fen %s\n", fen);
4605 if(!WhiteOnMove(backwardMostMove)) {
4606 SendToICS("bsetup tomove black\n");
4608 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4609 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4611 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4612 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4614 i = boards[backwardMostMove][EP_STATUS];
4615 if(i >= 0) { // set e.p.
4616 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4622 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4623 SendToICS("bsetup done\n"); // switch to normal examining.
4625 for(i = backwardMostMove; i<last; i++) {
4627 sprintf(buf, "%s\n", parseList[i]);
4630 SendToICS(ics_prefix);
4631 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4635 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4640 if (rf == DROP_RANK) {
4641 sprintf(move, "%c@%c%c\n",
4642 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4644 if (promoChar == 'x' || promoChar == NULLCHAR) {
4645 sprintf(move, "%c%c%c%c\n",
4646 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4648 sprintf(move, "%c%c%c%c%c\n",
4649 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4655 ProcessICSInitScript(f)
4660 while (fgets(buf, MSG_SIZ, f)) {
4661 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4668 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4670 AlphaRank(char *move, int n)
4672 // char *p = move, c; int x, y;
4674 if (appData.debugMode) {
4675 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4679 move[2]>='0' && move[2]<='9' &&
4680 move[3]>='a' && move[3]<='x' ) {
4682 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4683 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4685 if(move[0]>='0' && move[0]<='9' &&
4686 move[1]>='a' && move[1]<='x' &&
4687 move[2]>='0' && move[2]<='9' &&
4688 move[3]>='a' && move[3]<='x' ) {
4689 /* input move, Shogi -> normal */
4690 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4691 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4692 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4693 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4696 move[3]>='0' && move[3]<='9' &&
4697 move[2]>='a' && move[2]<='x' ) {
4699 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4700 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4703 move[0]>='a' && move[0]<='x' &&
4704 move[3]>='0' && move[3]<='9' &&
4705 move[2]>='a' && move[2]<='x' ) {
4706 /* output move, normal -> Shogi */
4707 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4708 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4709 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4710 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4711 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4713 if (appData.debugMode) {
4714 fprintf(debugFP, " out = '%s'\n", move);
4718 /* Parser for moves from gnuchess, ICS, or user typein box */
4720 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4723 ChessMove *moveType;
4724 int *fromX, *fromY, *toX, *toY;
4727 if (appData.debugMode) {
4728 fprintf(debugFP, "move to parse: %s\n", move);
4730 *moveType = yylexstr(moveNum, move);
4732 switch (*moveType) {
4733 case WhitePromotionChancellor:
4734 case BlackPromotionChancellor:
4735 case WhitePromotionArchbishop:
4736 case BlackPromotionArchbishop:
4737 case WhitePromotionQueen:
4738 case BlackPromotionQueen:
4739 case WhitePromotionRook:
4740 case BlackPromotionRook:
4741 case WhitePromotionBishop:
4742 case BlackPromotionBishop:
4743 case WhitePromotionKnight:
4744 case BlackPromotionKnight:
4745 case WhitePromotionKing:
4746 case BlackPromotionKing:
4748 case WhiteCapturesEnPassant:
4749 case BlackCapturesEnPassant:
4750 case WhiteKingSideCastle:
4751 case WhiteQueenSideCastle:
4752 case BlackKingSideCastle:
4753 case BlackQueenSideCastle:
4754 case WhiteKingSideCastleWild:
4755 case WhiteQueenSideCastleWild:
4756 case BlackKingSideCastleWild:
4757 case BlackQueenSideCastleWild:
4758 /* Code added by Tord: */
4759 case WhiteHSideCastleFR:
4760 case WhiteASideCastleFR:
4761 case BlackHSideCastleFR:
4762 case BlackASideCastleFR:
4763 /* End of code added by Tord */
4764 case IllegalMove: /* bug or odd chess variant */
4765 *fromX = currentMoveString[0] - AAA;
4766 *fromY = currentMoveString[1] - ONE;
4767 *toX = currentMoveString[2] - AAA;
4768 *toY = currentMoveString[3] - ONE;
4769 *promoChar = currentMoveString[4];
4770 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4771 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4772 if (appData.debugMode) {
4773 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4775 *fromX = *fromY = *toX = *toY = 0;
4778 if (appData.testLegality) {
4779 return (*moveType != IllegalMove);
4781 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4782 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4787 *fromX = *moveType == WhiteDrop ?
4788 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4789 (int) CharToPiece(ToLower(currentMoveString[0]));
4791 *toX = currentMoveString[2] - AAA;
4792 *toY = currentMoveString[3] - ONE;
4793 *promoChar = NULLCHAR;
4797 case ImpossibleMove:
4798 case (ChessMove) 0: /* end of file */
4807 if (appData.debugMode) {
4808 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4811 *fromX = *fromY = *toX = *toY = 0;
4812 *promoChar = NULLCHAR;
4820 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4821 int fromX, fromY, toX, toY; char promoChar;
4826 endPV = forwardMostMove;
4828 while(*pv == ' ') pv++;
4829 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4830 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4831 if(appData.debugMode){
4832 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4834 if(!valid && nr == 0 &&
4835 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4836 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4837 // Hande case where played move is different from leading PV move
4838 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4839 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4840 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4841 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4842 endPV += 2; // if position different, keep this
4843 moveList[endPV-1][0] = fromX + AAA;
4844 moveList[endPV-1][1] = fromY + ONE;
4845 moveList[endPV-1][2] = toX + AAA;
4846 moveList[endPV-1][3] = toY + ONE;
4847 parseList[endPV-1][0] = NULLCHAR;
4848 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4852 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4853 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4855 if(endPV+1 > framePtr) break; // no space, truncate
4858 CopyBoard(boards[endPV], boards[endPV-1]);
4859 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4860 moveList[endPV-1][0] = fromX + AAA;
4861 moveList[endPV-1][1] = fromY + ONE;
4862 moveList[endPV-1][2] = toX + AAA;
4863 moveList[endPV-1][3] = toY + ONE;
4864 parseList[endPV-1][0] = NULLCHAR;
4866 currentMove = endPV;
4867 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4868 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4869 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4870 DrawPosition(TRUE, boards[currentMove]);
4873 static int lastX, lastY;
4876 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4880 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4881 lastX = x; lastY = y;
4882 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4884 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4886 while(buf[index] && buf[index] != '\n') index++;
4888 ParsePV(buf+startPV);
4889 *start = startPV; *end = index-1;
4894 LoadPV(int x, int y)
4895 { // called on right mouse click to load PV
4896 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4897 lastX = x; lastY = y;
4898 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4905 if(endPV < 0) return;
4907 currentMove = forwardMostMove;
4908 ClearPremoveHighlights();
4909 DrawPosition(TRUE, boards[currentMove]);
4913 MovePV(int x, int y, int h)
4914 { // step through PV based on mouse coordinates (called on mouse move)
4915 int margin = h>>3, step = 0;
4917 if(endPV < 0) return;
4918 // we must somehow check if right button is still down (might be released off board!)
4919 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4920 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4921 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4923 lastX = x; lastY = y;
4924 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4925 currentMove += step;
4926 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4927 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4928 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4929 DrawPosition(FALSE, boards[currentMove]);
4933 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4934 // All positions will have equal probability, but the current method will not provide a unique
4935 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4941 int piecesLeft[(int)BlackPawn];
4942 int seed, nrOfShuffles;
4944 void GetPositionNumber()
4945 { // sets global variable seed
4948 seed = appData.defaultFrcPosition;
4949 if(seed < 0) { // randomize based on time for negative FRC position numbers
4950 for(i=0; i<50; i++) seed += random();
4951 seed = random() ^ random() >> 8 ^ random() << 8;
4952 if(seed<0) seed = -seed;
4956 int put(Board board, int pieceType, int rank, int n, int shade)
4957 // put the piece on the (n-1)-th empty squares of the given shade
4961 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4962 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4963 board[rank][i] = (ChessSquare) pieceType;
4964 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4966 piecesLeft[pieceType]--;
4974 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4975 // calculate where the next piece goes, (any empty square), and put it there
4979 i = seed % squaresLeft[shade];
4980 nrOfShuffles *= squaresLeft[shade];
4981 seed /= squaresLeft[shade];
4982 put(board, pieceType, rank, i, shade);
4985 void AddTwoPieces(Board board, int pieceType, int rank)
4986 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4988 int i, n=squaresLeft[ANY], j=n-1, k;
4990 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4991 i = seed % k; // pick one
4994 while(i >= j) i -= j--;
4995 j = n - 1 - j; i += j;
4996 put(board, pieceType, rank, j, ANY);
4997 put(board, pieceType, rank, i, ANY);
5000 void SetUpShuffle(Board board, int number)
5004 GetPositionNumber(); nrOfShuffles = 1;
5006 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5007 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5008 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5010 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5012 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5013 p = (int) board[0][i];
5014 if(p < (int) BlackPawn) piecesLeft[p] ++;
5015 board[0][i] = EmptySquare;
5018 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5019 // shuffles restricted to allow normal castling put KRR first
5020 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5021 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5022 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5023 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5024 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5025 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5026 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5027 put(board, WhiteRook, 0, 0, ANY);
5028 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5031 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5032 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5033 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5034 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5035 while(piecesLeft[p] >= 2) {
5036 AddOnePiece(board, p, 0, LITE);
5037 AddOnePiece(board, p, 0, DARK);
5039 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5042 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5043 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5044 // but we leave King and Rooks for last, to possibly obey FRC restriction
5045 if(p == (int)WhiteRook) continue;
5046 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5047 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5050 // now everything is placed, except perhaps King (Unicorn) and Rooks
5052 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5053 // Last King gets castling rights
5054 while(piecesLeft[(int)WhiteUnicorn]) {
5055 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5056 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5059 while(piecesLeft[(int)WhiteKing]) {
5060 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5061 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5066 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5067 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5070 // Only Rooks can be left; simply place them all
5071 while(piecesLeft[(int)WhiteRook]) {
5072 i = put(board, WhiteRook, 0, 0, ANY);
5073 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5076 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5078 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5081 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5082 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5085 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5088 int SetCharTable( char *table, const char * map )
5089 /* [HGM] moved here from winboard.c because of its general usefulness */
5090 /* Basically a safe strcpy that uses the last character as King */
5092 int result = FALSE; int NrPieces;
5094 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5095 && NrPieces >= 12 && !(NrPieces&1)) {
5096 int i; /* [HGM] Accept even length from 12 to 34 */
5098 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5099 for( i=0; i<NrPieces/2-1; i++ ) {
5101 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5103 table[(int) WhiteKing] = map[NrPieces/2-1];
5104 table[(int) BlackKing] = map[NrPieces-1];
5112 void Prelude(Board board)
5113 { // [HGM] superchess: random selection of exo-pieces
5114 int i, j, k; ChessSquare p;
5115 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5117 GetPositionNumber(); // use FRC position number
5119 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5120 SetCharTable(pieceToChar, appData.pieceToCharTable);
5121 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5122 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5125 j = seed%4; seed /= 4;
5126 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5129 j = seed%3 + (seed%3 >= j); seed /= 3;
5130 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5133 j = seed%3; seed /= 3;
5134 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5135 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5136 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5137 j = seed%2 + (seed%2 >= j); seed /= 2;
5138 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5140 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5141 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5142 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5143 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5144 put(board, exoPieces[0], 0, 0, ANY);
5145 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5149 InitPosition(redraw)
5152 ChessSquare (* pieces)[BOARD_FILES];
5153 int i, j, pawnRow, overrule,
5154 oldx = gameInfo.boardWidth,
5155 oldy = gameInfo.boardHeight,
5156 oldh = gameInfo.holdingsWidth,
5157 oldv = gameInfo.variant;
5159 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5161 /* [AS] Initialize pv info list [HGM] and game status */
5163 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5164 pvInfoList[i].depth = 0;
5165 boards[i][EP_STATUS] = EP_NONE;
5166 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5169 initialRulePlies = 0; /* 50-move counter start */
5171 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5172 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5176 /* [HGM] logic here is completely changed. In stead of full positions */
5177 /* the initialized data only consist of the two backranks. The switch */
5178 /* selects which one we will use, which is than copied to the Board */
5179 /* initialPosition, which for the rest is initialized by Pawns and */
5180 /* empty squares. This initial position is then copied to boards[0], */
5181 /* possibly after shuffling, so that it remains available. */
5183 gameInfo.holdingsWidth = 0; /* default board sizes */
5184 gameInfo.boardWidth = 8;
5185 gameInfo.boardHeight = 8;
5186 gameInfo.holdingsSize = 0;
5187 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5188 for(i=0; i<BOARD_FILES-2; i++)
5189 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5190 initialPosition[EP_STATUS] = EP_NONE;
5191 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5193 switch (gameInfo.variant) {
5194 case VariantFischeRandom:
5195 shuffleOpenings = TRUE;
5199 case VariantShatranj:
5200 pieces = ShatranjArray;
5201 nrCastlingRights = 0;
5202 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5205 pieces = makrukArray;
5206 nrCastlingRights = 0;
5207 startedFromSetupPosition = TRUE;
5208 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5210 case VariantTwoKings:
5211 pieces = twoKingsArray;
5213 case VariantCapaRandom:
5214 shuffleOpenings = TRUE;
5215 case VariantCapablanca:
5216 pieces = CapablancaArray;
5217 gameInfo.boardWidth = 10;
5218 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5221 pieces = GothicArray;
5222 gameInfo.boardWidth = 10;
5223 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5226 pieces = JanusArray;
5227 gameInfo.boardWidth = 10;
5228 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5229 nrCastlingRights = 6;
5230 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5231 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5232 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5233 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5234 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5235 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5238 pieces = FalconArray;
5239 gameInfo.boardWidth = 10;
5240 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5242 case VariantXiangqi:
5243 pieces = XiangqiArray;
5244 gameInfo.boardWidth = 9;
5245 gameInfo.boardHeight = 10;
5246 nrCastlingRights = 0;
5247 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5250 pieces = ShogiArray;
5251 gameInfo.boardWidth = 9;
5252 gameInfo.boardHeight = 9;
5253 gameInfo.holdingsSize = 7;
5254 nrCastlingRights = 0;
5255 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5257 case VariantCourier:
5258 pieces = CourierArray;
5259 gameInfo.boardWidth = 12;
5260 nrCastlingRights = 0;
5261 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5263 case VariantKnightmate:
5264 pieces = KnightmateArray;
5265 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5268 pieces = fairyArray;
5269 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5272 pieces = GreatArray;
5273 gameInfo.boardWidth = 10;
5274 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5275 gameInfo.holdingsSize = 8;
5279 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5280 gameInfo.holdingsSize = 8;
5281 startedFromSetupPosition = TRUE;
5283 case VariantCrazyhouse:
5284 case VariantBughouse:
5286 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5287 gameInfo.holdingsSize = 5;
5289 case VariantWildCastle:
5291 /* !!?shuffle with kings guaranteed to be on d or e file */
5292 shuffleOpenings = 1;
5294 case VariantNoCastle:
5296 nrCastlingRights = 0;
5297 /* !!?unconstrained back-rank shuffle */
5298 shuffleOpenings = 1;
5303 if(appData.NrFiles >= 0) {
5304 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5305 gameInfo.boardWidth = appData.NrFiles;
5307 if(appData.NrRanks >= 0) {
5308 gameInfo.boardHeight = appData.NrRanks;
5310 if(appData.holdingsSize >= 0) {
5311 i = appData.holdingsSize;
5312 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5313 gameInfo.holdingsSize = i;
5315 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5316 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5317 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5319 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5320 if(pawnRow < 1) pawnRow = 1;
5321 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5323 /* User pieceToChar list overrules defaults */
5324 if(appData.pieceToCharTable != NULL)
5325 SetCharTable(pieceToChar, appData.pieceToCharTable);
5327 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5329 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5330 s = (ChessSquare) 0; /* account holding counts in guard band */
5331 for( i=0; i<BOARD_HEIGHT; i++ )
5332 initialPosition[i][j] = s;
5334 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5335 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5336 initialPosition[pawnRow][j] = WhitePawn;
5337 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5338 if(gameInfo.variant == VariantXiangqi) {
5340 initialPosition[pawnRow][j] =
5341 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5342 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5343 initialPosition[2][j] = WhiteCannon;
5344 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5348 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5350 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5353 initialPosition[1][j] = WhiteBishop;
5354 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5356 initialPosition[1][j] = WhiteRook;
5357 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5360 if( nrCastlingRights == -1) {
5361 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5362 /* This sets default castling rights from none to normal corners */
5363 /* Variants with other castling rights must set them themselves above */
5364 nrCastlingRights = 6;
5366 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5367 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5368 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5369 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5370 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5371 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5374 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5375 if(gameInfo.variant == VariantGreat) { // promotion commoners
5376 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5377 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5378 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5379 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5381 if (appData.debugMode) {
5382 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5384 if(shuffleOpenings) {
5385 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5386 startedFromSetupPosition = TRUE;
5388 if(startedFromPositionFile) {
5389 /* [HGM] loadPos: use PositionFile for every new game */
5390 CopyBoard(initialPosition, filePosition);
5391 for(i=0; i<nrCastlingRights; i++)
5392 initialRights[i] = filePosition[CASTLING][i];
5393 startedFromSetupPosition = TRUE;
5396 CopyBoard(boards[0], initialPosition);
5398 if(oldx != gameInfo.boardWidth ||
5399 oldy != gameInfo.boardHeight ||
5400 oldh != gameInfo.holdingsWidth
5402 || oldv == VariantGothic || // For licensing popups
5403 gameInfo.variant == VariantGothic
5406 || oldv == VariantFalcon ||
5407 gameInfo.variant == VariantFalcon
5410 InitDrawingSizes(-2 ,0);
5413 DrawPosition(TRUE, boards[currentMove]);
5417 SendBoard(cps, moveNum)
5418 ChessProgramState *cps;
5421 char message[MSG_SIZ];
5423 if (cps->useSetboard) {
5424 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5425 sprintf(message, "setboard %s\n", fen);
5426 SendToProgram(message, cps);
5432 /* Kludge to set black to move, avoiding the troublesome and now
5433 * deprecated "black" command.
5435 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5437 SendToProgram("edit\n", cps);
5438 SendToProgram("#\n", cps);
5439 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5440 bp = &boards[moveNum][i][BOARD_LEFT];
5441 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5442 if ((int) *bp < (int) BlackPawn) {
5443 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5445 if(message[0] == '+' || message[0] == '~') {
5446 sprintf(message, "%c%c%c+\n",
5447 PieceToChar((ChessSquare)(DEMOTED *bp)),
5450 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5451 message[1] = BOARD_RGHT - 1 - j + '1';
5452 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5454 SendToProgram(message, cps);
5459 SendToProgram("c\n", cps);
5460 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5461 bp = &boards[moveNum][i][BOARD_LEFT];
5462 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5463 if (((int) *bp != (int) EmptySquare)
5464 && ((int) *bp >= (int) BlackPawn)) {
5465 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5467 if(message[0] == '+' || message[0] == '~') {
5468 sprintf(message, "%c%c%c+\n",
5469 PieceToChar((ChessSquare)(DEMOTED *bp)),
5472 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5473 message[1] = BOARD_RGHT - 1 - j + '1';
5474 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5476 SendToProgram(message, cps);
5481 SendToProgram(".\n", cps);
5483 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5486 static int autoQueen; // [HGM] oneclick
5489 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5491 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5492 /* [HGM] add Shogi promotions */
5493 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5498 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5499 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5501 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5502 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5505 piece = boards[currentMove][fromY][fromX];
5506 if(gameInfo.variant == VariantShogi) {
5507 promotionZoneSize = 3;
5508 highestPromotingPiece = (int)WhiteFerz;
5509 } else if(gameInfo.variant == VariantMakruk) {
5510 promotionZoneSize = 3;
5513 // next weed out all moves that do not touch the promotion zone at all
5514 if((int)piece >= BlackPawn) {
5515 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5517 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5519 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5520 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5523 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5525 // weed out mandatory Shogi promotions
5526 if(gameInfo.variant == VariantShogi) {
5527 if(piece >= BlackPawn) {
5528 if(toY == 0 && piece == BlackPawn ||
5529 toY == 0 && piece == BlackQueen ||
5530 toY <= 1 && piece == BlackKnight) {
5535 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5536 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5537 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5544 // weed out obviously illegal Pawn moves
5545 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5546 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5547 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5548 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5549 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5550 // note we are not allowed to test for valid (non-)capture, due to premove
5553 // we either have a choice what to promote to, or (in Shogi) whether to promote
5554 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5555 *promoChoice = PieceToChar(BlackFerz); // no choice
5558 if(autoQueen) { // predetermined
5559 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5560 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5561 else *promoChoice = PieceToChar(BlackQueen);
5565 // suppress promotion popup on illegal moves that are not premoves
5566 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5567 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5568 if(appData.testLegality && !premove) {
5569 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5570 fromY, fromX, toY, toX, NULLCHAR);
5571 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5572 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5580 InPalace(row, column)
5582 { /* [HGM] for Xiangqi */
5583 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5584 column < (BOARD_WIDTH + 4)/2 &&
5585 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5590 PieceForSquare (x, y)
5594 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5597 return boards[currentMove][y][x];
5601 OKToStartUserMove(x, y)
5604 ChessSquare from_piece;
5607 if (matchMode) return FALSE;
5608 if (gameMode == EditPosition) return TRUE;
5610 if (x >= 0 && y >= 0)
5611 from_piece = boards[currentMove][y][x];
5613 from_piece = EmptySquare;
5615 if (from_piece == EmptySquare) return FALSE;
5617 white_piece = (int)from_piece >= (int)WhitePawn &&
5618 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5621 case PlayFromGameFile:
5623 case TwoMachinesPlay:
5631 case MachinePlaysWhite:
5632 case IcsPlayingBlack:
5633 if (appData.zippyPlay) return FALSE;
5635 DisplayMoveError(_("You are playing Black"));
5640 case MachinePlaysBlack:
5641 case IcsPlayingWhite:
5642 if (appData.zippyPlay) return FALSE;
5644 DisplayMoveError(_("You are playing White"));
5650 if (!white_piece && WhiteOnMove(currentMove)) {
5651 DisplayMoveError(_("It is White's turn"));
5654 if (white_piece && !WhiteOnMove(currentMove)) {
5655 DisplayMoveError(_("It is Black's turn"));
5658 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5659 /* Editing correspondence game history */
5660 /* Could disallow this or prompt for confirmation */
5665 case BeginningOfGame:
5666 if (appData.icsActive) return FALSE;
5667 if (!appData.noChessProgram) {
5669 DisplayMoveError(_("You are playing White"));
5676 if (!white_piece && WhiteOnMove(currentMove)) {
5677 DisplayMoveError(_("It is White's turn"));
5680 if (white_piece && !WhiteOnMove(currentMove)) {
5681 DisplayMoveError(_("It is Black's turn"));
5690 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5691 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5692 && gameMode != AnalyzeFile && gameMode != Training) {
5693 DisplayMoveError(_("Displayed position is not current"));
5700 OnlyMove(int *x, int *y, Boolean captures) {
5701 DisambiguateClosure cl;
5702 if (appData.zippyPlay) return FALSE;
5704 case MachinePlaysBlack:
5705 case IcsPlayingWhite:
5706 case BeginningOfGame:
5707 if(!WhiteOnMove(currentMove)) return FALSE;
5709 case MachinePlaysWhite:
5710 case IcsPlayingBlack:
5711 if(WhiteOnMove(currentMove)) return FALSE;
5716 cl.pieceIn = EmptySquare;
5721 cl.promoCharIn = NULLCHAR;
5722 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5723 if( cl.kind == NormalMove ||
5724 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5725 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5726 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5727 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5734 if(cl.kind != ImpossibleMove) return FALSE;
5735 cl.pieceIn = EmptySquare;
5740 cl.promoCharIn = NULLCHAR;
5741 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5742 if( cl.kind == NormalMove ||
5743 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5744 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5745 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5746 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5751 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5757 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5758 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5759 int lastLoadGameUseList = FALSE;
5760 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5761 ChessMove lastLoadGameStart = (ChessMove) 0;
5764 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5765 int fromX, fromY, toX, toY;
5770 ChessSquare pdown, pup;
5772 /* Check if the user is playing in turn. This is complicated because we
5773 let the user "pick up" a piece before it is his turn. So the piece he
5774 tried to pick up may have been captured by the time he puts it down!
5775 Therefore we use the color the user is supposed to be playing in this
5776 test, not the color of the piece that is currently on the starting
5777 square---except in EditGame mode, where the user is playing both
5778 sides; fortunately there the capture race can't happen. (It can
5779 now happen in IcsExamining mode, but that's just too bad. The user
5780 will get a somewhat confusing message in that case.)
5784 case PlayFromGameFile:
5786 case TwoMachinesPlay:
5790 /* We switched into a game mode where moves are not accepted,
5791 perhaps while the mouse button was down. */
5792 return ImpossibleMove;
5794 case MachinePlaysWhite:
5795 /* User is moving for Black */
5796 if (WhiteOnMove(currentMove)) {
5797 DisplayMoveError(_("It is White's turn"));
5798 return ImpossibleMove;
5802 case MachinePlaysBlack:
5803 /* User is moving for White */
5804 if (!WhiteOnMove(currentMove)) {
5805 DisplayMoveError(_("It is Black's turn"));
5806 return ImpossibleMove;
5812 case BeginningOfGame:
5815 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5816 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5817 /* User is moving for Black */
5818 if (WhiteOnMove(currentMove)) {
5819 DisplayMoveError(_("It is White's turn"));
5820 return ImpossibleMove;
5823 /* User is moving for White */
5824 if (!WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is Black's turn"));
5826 return ImpossibleMove;
5831 case IcsPlayingBlack:
5832 /* User is moving for Black */
5833 if (WhiteOnMove(currentMove)) {
5834 if (!appData.premove) {
5835 DisplayMoveError(_("It is White's turn"));
5836 } else if (toX >= 0 && toY >= 0) {
5839 premoveFromX = fromX;
5840 premoveFromY = fromY;
5841 premovePromoChar = promoChar;
5843 if (appData.debugMode)
5844 fprintf(debugFP, "Got premove: fromX %d,"
5845 "fromY %d, toX %d, toY %d\n",
5846 fromX, fromY, toX, toY);
5848 return ImpossibleMove;
5852 case IcsPlayingWhite:
5853 /* User is moving for White */
5854 if (!WhiteOnMove(currentMove)) {
5855 if (!appData.premove) {
5856 DisplayMoveError(_("It is Black's turn"));
5857 } else if (toX >= 0 && toY >= 0) {
5860 premoveFromX = fromX;
5861 premoveFromY = fromY;
5862 premovePromoChar = promoChar;
5864 if (appData.debugMode)
5865 fprintf(debugFP, "Got premove: fromX %d,"
5866 "fromY %d, toX %d, toY %d\n",
5867 fromX, fromY, toX, toY);
5869 return ImpossibleMove;
5877 /* EditPosition, empty square, or different color piece;
5878 click-click move is possible */
5879 if (toX == -2 || toY == -2) {
5880 boards[0][fromY][fromX] = EmptySquare;
5881 return AmbiguousMove;
5882 } else if (toX >= 0 && toY >= 0) {
5883 boards[0][toY][toX] = boards[0][fromY][fromX];
5884 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5885 if(boards[0][fromY][0] != EmptySquare) {
5886 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5887 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5890 if(fromX == BOARD_RGHT+1) {
5891 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5892 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5893 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5896 boards[0][fromY][fromX] = EmptySquare;
5897 return AmbiguousMove;
5899 return ImpossibleMove;
5902 if(toX < 0 || toY < 0) return ImpossibleMove;
5903 pdown = boards[currentMove][fromY][fromX];
5904 pup = boards[currentMove][toY][toX];
5906 /* [HGM] If move started in holdings, it means a drop */
5907 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5908 if( pup != EmptySquare ) return ImpossibleMove;
5909 if(appData.testLegality) {
5910 /* it would be more logical if LegalityTest() also figured out
5911 * which drops are legal. For now we forbid pawns on back rank.
5912 * Shogi is on its own here...
5914 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5915 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5916 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5918 return WhiteDrop; /* Not needed to specify white or black yet */
5921 /* [HGM] always test for legality, to get promotion info */
5922 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5923 fromY, fromX, toY, toX, promoChar);
5924 /* [HGM] but possibly ignore an IllegalMove result */
5925 if (appData.testLegality) {
5926 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5927 DisplayMoveError(_("Illegal move"));
5928 return ImpossibleMove;
5933 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5934 function is made into one that returns an OK move type if FinishMove
5935 should be called. This to give the calling driver routine the
5936 opportunity to finish the userMove input with a promotion popup,
5937 without bothering the user with this for invalid or illegal moves */
5939 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5942 /* Common tail of UserMoveEvent and DropMenuEvent */
5944 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5946 int fromX, fromY, toX, toY;
5947 /*char*/int promoChar;
5951 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5952 // [HGM] superchess: suppress promotions to non-available piece
5953 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5954 if(WhiteOnMove(currentMove)) {
5955 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5957 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5961 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5962 move type in caller when we know the move is a legal promotion */
5963 if(moveType == NormalMove && promoChar)
5964 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5966 /* [HGM] convert drag-and-drop piece drops to standard form */
5967 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5968 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5969 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5970 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5971 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5972 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5973 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5974 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5978 /* [HGM] <popupFix> The following if has been moved here from
5979 UserMoveEvent(). Because it seemed to belong here (why not allow
5980 piece drops in training games?), and because it can only be
5981 performed after it is known to what we promote. */
5982 if (gameMode == Training) {
5983 /* compare the move played on the board to the next move in the
5984 * game. If they match, display the move and the opponent's response.
5985 * If they don't match, display an error message.
5989 CopyBoard(testBoard, boards[currentMove]);
5990 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5992 if (CompareBoards(testBoard, boards[currentMove+1])) {
5993 ForwardInner(currentMove+1);
5995 /* Autoplay the opponent's response.
5996 * if appData.animate was TRUE when Training mode was entered,
5997 * the response will be animated.
5999 saveAnimate = appData.animate;
6000 appData.animate = animateTraining;
6001 ForwardInner(currentMove+1);
6002 appData.animate = saveAnimate;
6004 /* check for the end of the game */
6005 if (currentMove >= forwardMostMove) {
6006 gameMode = PlayFromGameFile;
6008 SetTrainingModeOff();
6009 DisplayInformation(_("End of game"));
6012 DisplayError(_("Incorrect move"), 0);
6017 /* Ok, now we know that the move is good, so we can kill
6018 the previous line in Analysis Mode */
6019 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6020 && currentMove < forwardMostMove) {
6021 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6024 /* If we need the chess program but it's dead, restart it */
6025 ResurrectChessProgram();
6027 /* A user move restarts a paused game*/
6031 thinkOutput[0] = NULLCHAR;
6033 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6035 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6037 if (gameMode == BeginningOfGame) {
6038 if (appData.noChessProgram) {
6039 gameMode = EditGame;
6043 gameMode = MachinePlaysBlack;
6046 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6048 if (first.sendName) {
6049 sprintf(buf, "name %s\n", gameInfo.white);
6050 SendToProgram(buf, &first);
6057 /* Relay move to ICS or chess engine */
6058 if (appData.icsActive) {
6059 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6060 gameMode == IcsExamining) {
6061 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6062 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6064 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6066 // also send plain move, in case ICS does not understand atomic claims
6067 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6071 if (first.sendTime && (gameMode == BeginningOfGame ||
6072 gameMode == MachinePlaysWhite ||
6073 gameMode == MachinePlaysBlack)) {
6074 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6076 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6077 // [HGM] book: if program might be playing, let it use book
6078 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6079 first.maybeThinking = TRUE;
6080 } else SendMoveToProgram(forwardMostMove-1, &first);
6081 if (currentMove == cmailOldMove + 1) {
6082 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6086 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6090 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6096 if (WhiteOnMove(currentMove)) {
6097 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6099 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6103 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6108 case MachinePlaysBlack:
6109 case MachinePlaysWhite:
6110 /* disable certain menu options while machine is thinking */
6111 SetMachineThinkingEnables();
6118 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6120 if(bookHit) { // [HGM] book: simulate book reply
6121 static char bookMove[MSG_SIZ]; // a bit generous?
6123 programStats.nodes = programStats.depth = programStats.time =
6124 programStats.score = programStats.got_only_move = 0;
6125 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6127 strcpy(bookMove, "move ");
6128 strcat(bookMove, bookHit);
6129 HandleMachineMove(bookMove, &first);
6135 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6136 int fromX, fromY, toX, toY;
6139 /* [HGM] This routine was added to allow calling of its two logical
6140 parts from other modules in the old way. Before, UserMoveEvent()
6141 automatically called FinishMove() if the move was OK, and returned
6142 otherwise. I separated the two, in order to make it possible to
6143 slip a promotion popup in between. But that it always needs two
6144 calls, to the first part, (now called UserMoveTest() ), and to
6145 FinishMove if the first part succeeded. Calls that do not need
6146 to do anything in between, can call this routine the old way.
6148 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6149 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6150 if(moveType == AmbiguousMove)
6151 DrawPosition(FALSE, boards[currentMove]);
6152 else if(moveType != ImpossibleMove && moveType != Comment)
6153 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6157 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6164 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6165 Markers *m = (Markers *) closure;
6166 if(rf == fromY && ff == fromX)
6167 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6168 || kind == WhiteCapturesEnPassant
6169 || kind == BlackCapturesEnPassant);
6170 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6174 MarkTargetSquares(int clear)
6177 if(!appData.markers || !appData.highlightDragging ||
6178 !appData.testLegality || gameMode == EditPosition) return;
6180 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6183 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6184 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6185 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6187 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6190 DrawPosition(TRUE, NULL);
6193 void LeftClick(ClickType clickType, int xPix, int yPix)
6196 Boolean saveAnimate;
6197 static int second = 0, promotionChoice = 0;
6198 char promoChoice = NULLCHAR;
6200 if(appData.seekGraph && appData.icsActive && loggedOn &&
6201 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6202 SeekGraphClick(clickType, xPix, yPix, 0);
6206 if (clickType == Press) ErrorPopDown();
6207 MarkTargetSquares(1);
6209 x = EventToSquare(xPix, BOARD_WIDTH);
6210 y = EventToSquare(yPix, BOARD_HEIGHT);
6211 if (!flipView && y >= 0) {
6212 y = BOARD_HEIGHT - 1 - y;
6214 if (flipView && x >= 0) {
6215 x = BOARD_WIDTH - 1 - x;
6218 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6219 if(clickType == Release) return; // ignore upclick of click-click destination
6220 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6221 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6222 if(gameInfo.holdingsWidth &&
6223 (WhiteOnMove(currentMove)
6224 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6225 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6226 // click in right holdings, for determining promotion piece
6227 ChessSquare p = boards[currentMove][y][x];
6228 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6229 if(p != EmptySquare) {
6230 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6235 DrawPosition(FALSE, boards[currentMove]);
6239 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6240 if(clickType == Press
6241 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6242 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6243 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6246 autoQueen = appData.alwaysPromoteToQueen;
6249 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6250 if (clickType == Press) {
6252 if (OKToStartUserMove(x, y)) {
6256 MarkTargetSquares(0);
6257 DragPieceBegin(xPix, yPix);
6258 if (appData.highlightDragging) {
6259 SetHighlights(x, y, -1, -1);
6268 if (clickType == Press && gameMode != EditPosition) {
6273 // ignore off-board to clicks
6274 if(y < 0 || x < 0) return;
6276 /* Check if clicking again on the same color piece */
6277 fromP = boards[currentMove][fromY][fromX];
6278 toP = boards[currentMove][y][x];
6279 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6280 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6281 WhitePawn <= toP && toP <= WhiteKing &&
6282 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6283 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6284 (BlackPawn <= fromP && fromP <= BlackKing &&
6285 BlackPawn <= toP && toP <= BlackKing &&
6286 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6287 !(fromP == BlackKing && toP == BlackRook && frc))) {
6288 /* Clicked again on same color piece -- changed his mind */
6289 second = (x == fromX && y == fromY);
6290 if(!second || !OnlyMove(&x, &y, TRUE)) {
6291 if (appData.highlightDragging) {
6292 SetHighlights(x, y, -1, -1);
6296 if (OKToStartUserMove(x, y)) {
6299 MarkTargetSquares(0);
6300 DragPieceBegin(xPix, yPix);
6305 // ignore clicks on holdings
6306 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6309 if (clickType == Release && x == fromX && y == fromY) {
6310 DragPieceEnd(xPix, yPix);
6311 if (appData.animateDragging) {
6312 /* Undo animation damage if any */
6313 DrawPosition(FALSE, NULL);
6316 /* Second up/down in same square; just abort move */
6321 ClearPremoveHighlights();
6323 /* First upclick in same square; start click-click mode */
6324 SetHighlights(x, y, -1, -1);
6329 /* we now have a different from- and (possibly off-board) to-square */
6330 /* Completed move */
6333 saveAnimate = appData.animate;
6334 if (clickType == Press) {
6335 /* Finish clickclick move */
6336 if (appData.animate || appData.highlightLastMove) {
6337 SetHighlights(fromX, fromY, toX, toY);
6342 /* Finish drag move */
6343 if (appData.highlightLastMove) {
6344 SetHighlights(fromX, fromY, toX, toY);
6348 DragPieceEnd(xPix, yPix);
6349 /* Don't animate move and drag both */
6350 appData.animate = FALSE;
6353 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6354 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6355 ChessSquare piece = boards[currentMove][fromY][fromX];
6356 if(gameMode == EditPosition && piece != EmptySquare &&
6357 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6360 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6361 n = PieceToNumber(piece - (int)BlackPawn);
6362 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6363 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6364 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6366 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6367 n = PieceToNumber(piece);
6368 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6369 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6370 boards[currentMove][n][BOARD_WIDTH-2]++;
6372 boards[currentMove][fromY][fromX] = EmptySquare;
6376 DrawPosition(TRUE, boards[currentMove]);
6380 // off-board moves should not be highlighted
6381 if(x < 0 || x < 0) ClearHighlights();
6383 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6384 SetHighlights(fromX, fromY, toX, toY);
6385 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6386 // [HGM] super: promotion to captured piece selected from holdings
6387 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6388 promotionChoice = TRUE;
6389 // kludge follows to temporarily execute move on display, without promoting yet
6390 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6391 boards[currentMove][toY][toX] = p;
6392 DrawPosition(FALSE, boards[currentMove]);
6393 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6394 boards[currentMove][toY][toX] = q;
6395 DisplayMessage("Click in holdings to choose piece", "");
6400 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6401 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6402 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6405 appData.animate = saveAnimate;
6406 if (appData.animate || appData.animateDragging) {
6407 /* Undo animation damage if needed */
6408 DrawPosition(FALSE, NULL);
6412 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6413 { // front-end-free part taken out of PieceMenuPopup
6414 int whichMenu; int xSqr, ySqr;
6416 if(seekGraphUp) { // [HGM] seekgraph
6417 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6418 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6422 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6423 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6424 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6425 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6429 xSqr = EventToSquare(x, BOARD_WIDTH);
6430 ySqr = EventToSquare(y, BOARD_HEIGHT);
6431 if (action == Release) UnLoadPV(); // [HGM] pv
6432 if (action != Press) return -2; // return code to be ignored
6435 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6437 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6438 if (xSqr < 0 || ySqr < 0) return -1;
\r
6439 whichMenu = 0; // edit-position menu
6442 if(!appData.icsEngineAnalyze) return -1;
6443 case IcsPlayingWhite:
6444 case IcsPlayingBlack:
6445 if(!appData.zippyPlay) goto noZip;
6448 case MachinePlaysWhite:
6449 case MachinePlaysBlack:
6450 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6451 if (!appData.dropMenu) {
6453 return 2; // flag front-end to grab mouse events
6455 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6456 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6459 if (xSqr < 0 || ySqr < 0) return -1;
6460 if (!appData.dropMenu || appData.testLegality &&
6461 gameInfo.variant != VariantBughouse &&
6462 gameInfo.variant != VariantCrazyhouse) return -1;
6463 whichMenu = 1; // drop menu
6469 if (((*fromX = xSqr) < 0) ||
6470 ((*fromY = ySqr) < 0)) {
6471 *fromX = *fromY = -1;
6475 *fromX = BOARD_WIDTH - 1 - *fromX;
6477 *fromY = BOARD_HEIGHT - 1 - *fromY;
6482 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6484 // char * hint = lastHint;
6485 FrontEndProgramStats stats;
6487 stats.which = cps == &first ? 0 : 1;
6488 stats.depth = cpstats->depth;
6489 stats.nodes = cpstats->nodes;
6490 stats.score = cpstats->score;
6491 stats.time = cpstats->time;
6492 stats.pv = cpstats->movelist;
6493 stats.hint = lastHint;
6494 stats.an_move_index = 0;
6495 stats.an_move_count = 0;
6497 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6498 stats.hint = cpstats->move_name;
6499 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6500 stats.an_move_count = cpstats->nr_moves;
6503 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6505 SetProgramStats( &stats );
6509 Adjudicate(ChessProgramState *cps)
6510 { // [HGM] some adjudications useful with buggy engines
6511 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6512 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6513 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6514 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6515 int k, count = 0; static int bare = 1;
6516 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6517 Boolean canAdjudicate = !appData.icsActive;
6519 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6520 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6521 if( appData.testLegality )
6522 { /* [HGM] Some more adjudications for obstinate engines */
6523 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6524 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6525 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6526 static int moveCount = 6;
6528 char *reason = NULL;
6530 /* Count what is on board. */
6531 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6532 { ChessSquare p = boards[forwardMostMove][i][j];
6536 { /* count B,N,R and other of each side */
6539 NrK++; break; // [HGM] atomic: count Kings
6543 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6544 bishopsColor |= 1 << ((i^j)&1);
6549 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6550 bishopsColor |= 1 << ((i^j)&1);
6565 PawnAdvance += m; NrPawns++;
6567 NrPieces += (p != EmptySquare);
6568 NrW += ((int)p < (int)BlackPawn);
6569 if(gameInfo.variant == VariantXiangqi &&
6570 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6571 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6572 NrW -= ((int)p < (int)BlackPawn);
6576 /* Some material-based adjudications that have to be made before stalemate test */
6577 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6578 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6579 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6580 if(canAdjudicate && appData.checkMates) {
6582 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6583 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6584 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6585 "Xboard adjudication: King destroyed", GE_XBOARD );
6590 /* Bare King in Shatranj (loses) or Losers (wins) */
6591 if( NrW == 1 || NrPieces - NrW == 1) {
6592 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6593 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6594 if(canAdjudicate && appData.checkMates) {
6596 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6597 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6598 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6599 "Xboard adjudication: Bare king", GE_XBOARD );
6603 if( gameInfo.variant == VariantShatranj && --bare < 0)
6605 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6606 if(canAdjudicate && appData.checkMates) {
6607 /* but only adjudicate if adjudication enabled */
6609 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6610 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6611 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6612 "Xboard adjudication: Bare king", GE_XBOARD );
6619 // don't wait for engine to announce game end if we can judge ourselves
6620 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6622 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6623 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6624 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6625 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6628 reason = "Xboard adjudication: 3rd check";
6629 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6639 reason = "Xboard adjudication: Stalemate";
6640 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6641 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6642 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6643 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6644 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6645 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6646 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6647 EP_CHECKMATE : EP_WINS);
6648 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6649 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6653 reason = "Xboard adjudication: Checkmate";
6654 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6658 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6660 result = GameIsDrawn; break;
6662 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6664 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6666 result = (ChessMove) 0;
6668 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6670 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6671 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6672 GameEnds( result, reason, GE_XBOARD );
6676 /* Next absolutely insufficient mating material. */
6677 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6678 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6679 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6680 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6681 { /* KBK, KNK, KK of KBKB with like Bishops */
6683 /* always flag draws, for judging claims */
6684 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6686 if(canAdjudicate && appData.materialDraws) {
6687 /* but only adjudicate them if adjudication enabled */
6688 if(engineOpponent) {
6689 SendToProgram("force\n", engineOpponent); // suppress reply
6690 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6692 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6693 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6698 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6700 ( NrWR == 1 && NrBR == 1 /* KRKR */
6701 || NrWQ==1 && NrBQ==1 /* KQKQ */
6702 || NrWN==2 || NrBN==2 /* KNNK */
6703 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6705 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6706 { /* if the first 3 moves do not show a tactical win, declare draw */
6707 if(engineOpponent) {
6708 SendToProgram("force\n", engineOpponent); // suppress reply
6709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6711 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6712 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6715 } else moveCount = 6;
6719 if (appData.debugMode) { int i;
6720 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6721 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6722 appData.drawRepeats);
6723 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6724 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6728 // Repetition draws and 50-move rule can be applied independently of legality testing
6730 /* Check for rep-draws */
6732 for(k = forwardMostMove-2;
6733 k>=backwardMostMove && k>=forwardMostMove-100 &&
6734 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6735 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6738 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6739 /* compare castling rights */
6740 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6741 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6742 rights++; /* King lost rights, while rook still had them */
6743 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6744 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6745 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6746 rights++; /* but at least one rook lost them */
6748 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6749 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6751 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6752 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6753 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6756 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6757 && appData.drawRepeats > 1) {
6758 /* adjudicate after user-specified nr of repeats */
6759 if(engineOpponent) {
6760 SendToProgram("force\n", engineOpponent); // suppress reply
6761 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6763 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6764 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6765 // [HGM] xiangqi: check for forbidden perpetuals
6766 int m, ourPerpetual = 1, hisPerpetual = 1;
6767 for(m=forwardMostMove; m>k; m-=2) {
6768 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6769 ourPerpetual = 0; // the current mover did not always check
6770 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6771 hisPerpetual = 0; // the opponent did not always check
6773 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6774 ourPerpetual, hisPerpetual);
6775 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6776 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6777 "Xboard adjudication: perpetual checking", GE_XBOARD );
6780 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6781 break; // (or we would have caught him before). Abort repetition-checking loop.
6782 // Now check for perpetual chases
6783 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6784 hisPerpetual = PerpetualChase(k, forwardMostMove);
6785 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6786 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6787 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6788 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6791 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6792 break; // Abort repetition-checking loop.
6794 // if neither of us is checking or chasing all the time, or both are, it is draw
6796 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6799 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6800 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6804 /* Now we test for 50-move draws. Determine ply count */
6805 count = forwardMostMove;
6806 /* look for last irreversble move */
6807 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6809 /* if we hit starting position, add initial plies */
6810 if( count == backwardMostMove )
6811 count -= initialRulePlies;
6812 count = forwardMostMove - count;
6814 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6815 /* this is used to judge if draw claims are legal */
6816 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6817 if(engineOpponent) {
6818 SendToProgram("force\n", engineOpponent); // suppress reply
6819 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6821 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6822 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6826 /* if draw offer is pending, treat it as a draw claim
6827 * when draw condition present, to allow engines a way to
6828 * claim draws before making their move to avoid a race
6829 * condition occurring after their move
6831 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6833 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6834 p = "Draw claim: 50-move rule";
6835 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6836 p = "Draw claim: 3-fold repetition";
6837 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6838 p = "Draw claim: insufficient mating material";
6839 if( p != NULL && canAdjudicate) {
6840 if(engineOpponent) {
6841 SendToProgram("force\n", engineOpponent); // suppress reply
6842 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6844 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6845 GameEnds( GameIsDrawn, p, GE_XBOARD );
6850 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6851 if(engineOpponent) {
6852 SendToProgram("force\n", engineOpponent); // suppress reply
6853 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6855 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6856 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6862 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6863 { // [HGM] book: this routine intercepts moves to simulate book replies
6864 char *bookHit = NULL;
6866 //first determine if the incoming move brings opponent into his book
6867 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6868 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6869 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6870 if(bookHit != NULL && !cps->bookSuspend) {
6871 // make sure opponent is not going to reply after receiving move to book position
6872 SendToProgram("force\n", cps);
6873 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6875 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6876 // now arrange restart after book miss
6878 // after a book hit we never send 'go', and the code after the call to this routine
6879 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6881 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6882 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6883 SendToProgram(buf, cps);
6884 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6885 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6886 SendToProgram("go\n", cps);
6887 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6888 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6889 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6890 SendToProgram("go\n", cps);
6891 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6893 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6897 ChessProgramState *savedState;
6898 void DeferredBookMove(void)
6900 if(savedState->lastPing != savedState->lastPong)
6901 ScheduleDelayedEvent(DeferredBookMove, 10);
6903 HandleMachineMove(savedMessage, savedState);
6907 HandleMachineMove(message, cps)
6909 ChessProgramState *cps;
6911 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6912 char realname[MSG_SIZ];
6913 int fromX, fromY, toX, toY;
6922 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6924 * Kludge to ignore BEL characters
6926 while (*message == '\007') message++;
6929 * [HGM] engine debug message: ignore lines starting with '#' character
6931 if(cps->debug && *message == '#') return;
6934 * Look for book output
6936 if (cps == &first && bookRequested) {
6937 if (message[0] == '\t' || message[0] == ' ') {
6938 /* Part of the book output is here; append it */
6939 strcat(bookOutput, message);
6940 strcat(bookOutput, " \n");
6942 } else if (bookOutput[0] != NULLCHAR) {
6943 /* All of book output has arrived; display it */
6944 char *p = bookOutput;
6945 while (*p != NULLCHAR) {
6946 if (*p == '\t') *p = ' ';
6949 DisplayInformation(bookOutput);
6950 bookRequested = FALSE;
6951 /* Fall through to parse the current output */
6956 * Look for machine move.
6958 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6959 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6961 /* This method is only useful on engines that support ping */
6962 if (cps->lastPing != cps->lastPong) {
6963 if (gameMode == BeginningOfGame) {
6964 /* Extra move from before last new; ignore */
6965 if (appData.debugMode) {
6966 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6969 if (appData.debugMode) {
6970 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6971 cps->which, gameMode);
6974 SendToProgram("undo\n", cps);
6980 case BeginningOfGame:
6981 /* Extra move from before last reset; ignore */
6982 if (appData.debugMode) {
6983 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6990 /* Extra move after we tried to stop. The mode test is
6991 not a reliable way of detecting this problem, but it's
6992 the best we can do on engines that don't support ping.
6994 if (appData.debugMode) {
6995 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6996 cps->which, gameMode);
6998 SendToProgram("undo\n", cps);
7001 case MachinePlaysWhite:
7002 case IcsPlayingWhite:
7003 machineWhite = TRUE;
7006 case MachinePlaysBlack:
7007 case IcsPlayingBlack:
7008 machineWhite = FALSE;
7011 case TwoMachinesPlay:
7012 machineWhite = (cps->twoMachinesColor[0] == 'w');
7015 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7016 if (appData.debugMode) {
7018 "Ignoring move out of turn by %s, gameMode %d"
7019 ", forwardMost %d\n",
7020 cps->which, gameMode, forwardMostMove);
7025 if (appData.debugMode) { int f = forwardMostMove;
7026 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7027 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7028 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7030 if(cps->alphaRank) AlphaRank(machineMove, 4);
7031 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7032 &fromX, &fromY, &toX, &toY, &promoChar)) {
7033 /* Machine move could not be parsed; ignore it. */
7034 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7035 machineMove, cps->which);
7036 DisplayError(buf1, 0);
7037 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7038 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7039 if (gameMode == TwoMachinesPlay) {
7040 GameEnds(machineWhite ? BlackWins : WhiteWins,
7046 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7047 /* So we have to redo legality test with true e.p. status here, */
7048 /* to make sure an illegal e.p. capture does not slip through, */
7049 /* to cause a forfeit on a justified illegal-move complaint */
7050 /* of the opponent. */
7051 if( gameMode==TwoMachinesPlay && appData.testLegality
7052 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7055 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7056 fromY, fromX, toY, toX, promoChar);
7057 if (appData.debugMode) {
7059 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7060 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7061 fprintf(debugFP, "castling rights\n");
7063 if(moveType == IllegalMove) {
7064 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7065 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7066 GameEnds(machineWhite ? BlackWins : WhiteWins,
7069 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7070 /* [HGM] Kludge to handle engines that send FRC-style castling
7071 when they shouldn't (like TSCP-Gothic) */
7073 case WhiteASideCastleFR:
7074 case BlackASideCastleFR:
7076 currentMoveString[2]++;
7078 case WhiteHSideCastleFR:
7079 case BlackHSideCastleFR:
7081 currentMoveString[2]--;
7083 default: ; // nothing to do, but suppresses warning of pedantic compilers
7086 hintRequested = FALSE;
7087 lastHint[0] = NULLCHAR;
7088 bookRequested = FALSE;
7089 /* Program may be pondering now */
7090 cps->maybeThinking = TRUE;
7091 if (cps->sendTime == 2) cps->sendTime = 1;
7092 if (cps->offeredDraw) cps->offeredDraw--;
7094 /* currentMoveString is set as a side-effect of ParseOneMove */
7095 strcpy(machineMove, currentMoveString);
7096 strcat(machineMove, "\n");
7097 strcpy(moveList[forwardMostMove], machineMove);
7099 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7101 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7102 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7105 while( count < adjudicateLossPlies ) {
7106 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7109 score = -score; /* Flip score for winning side */
7112 if( score > adjudicateLossThreshold ) {
7119 if( count >= adjudicateLossPlies ) {
7120 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7122 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7123 "Xboard adjudication",
7130 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7133 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7135 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7136 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7138 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7140 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7142 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7143 char buf[3*MSG_SIZ];
7145 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7146 programStats.score / 100.,
7148 programStats.time / 100.,
7149 (unsigned int)programStats.nodes,
7150 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7151 programStats.movelist);
7153 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7158 /* [AS] Save move info and clear stats for next move */
7159 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7160 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7161 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7162 ClearProgramStats();
7163 thinkOutput[0] = NULLCHAR;
7164 hiddenThinkOutputState = 0;
7167 if (gameMode == TwoMachinesPlay) {
7168 /* [HGM] relaying draw offers moved to after reception of move */
7169 /* and interpreting offer as claim if it brings draw condition */
7170 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7171 SendToProgram("draw\n", cps->other);
7173 if (cps->other->sendTime) {
7174 SendTimeRemaining(cps->other,
7175 cps->other->twoMachinesColor[0] == 'w');
7177 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7178 if (firstMove && !bookHit) {
7180 if (cps->other->useColors) {
7181 SendToProgram(cps->other->twoMachinesColor, cps->other);
7183 SendToProgram("go\n", cps->other);
7185 cps->other->maybeThinking = TRUE;
7188 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7190 if (!pausing && appData.ringBellAfterMoves) {
7195 * Reenable menu items that were disabled while
7196 * machine was thinking
7198 if (gameMode != TwoMachinesPlay)
7199 SetUserThinkingEnables();
7201 // [HGM] book: after book hit opponent has received move and is now in force mode
7202 // force the book reply into it, and then fake that it outputted this move by jumping
7203 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7205 static char bookMove[MSG_SIZ]; // a bit generous?
7207 strcpy(bookMove, "move ");
7208 strcat(bookMove, bookHit);
7211 programStats.nodes = programStats.depth = programStats.time =
7212 programStats.score = programStats.got_only_move = 0;
7213 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7215 if(cps->lastPing != cps->lastPong) {
7216 savedMessage = message; // args for deferred call
7218 ScheduleDelayedEvent(DeferredBookMove, 10);
7227 /* Set special modes for chess engines. Later something general
7228 * could be added here; for now there is just one kludge feature,
7229 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7230 * when "xboard" is given as an interactive command.
7232 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7233 cps->useSigint = FALSE;
7234 cps->useSigterm = FALSE;
7236 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7237 ParseFeatures(message+8, cps);
7238 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7241 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7242 * want this, I was asked to put it in, and obliged.
7244 if (!strncmp(message, "setboard ", 9)) {
7245 Board initial_position;
7247 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7249 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7250 DisplayError(_("Bad FEN received from engine"), 0);
7254 CopyBoard(boards[0], initial_position);
7255 initialRulePlies = FENrulePlies;
7256 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7257 else gameMode = MachinePlaysBlack;
7258 DrawPosition(FALSE, boards[currentMove]);
7264 * Look for communication commands
7266 if (!strncmp(message, "telluser ", 9)) {
7267 DisplayNote(message + 9);
7270 if (!strncmp(message, "tellusererror ", 14)) {
7272 DisplayError(message + 14, 0);
7275 if (!strncmp(message, "tellopponent ", 13)) {
7276 if (appData.icsActive) {
7278 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7282 DisplayNote(message + 13);
7286 if (!strncmp(message, "tellothers ", 11)) {
7287 if (appData.icsActive) {
7289 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7295 if (!strncmp(message, "tellall ", 8)) {
7296 if (appData.icsActive) {
7298 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7302 DisplayNote(message + 8);
7306 if (strncmp(message, "warning", 7) == 0) {
7307 /* Undocumented feature, use tellusererror in new code */
7308 DisplayError(message, 0);
7311 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7312 strcpy(realname, cps->tidy);
7313 strcat(realname, " query");
7314 AskQuestion(realname, buf2, buf1, cps->pr);
7317 /* Commands from the engine directly to ICS. We don't allow these to be
7318 * sent until we are logged on. Crafty kibitzes have been known to
7319 * interfere with the login process.
7322 if (!strncmp(message, "tellics ", 8)) {
7323 SendToICS(message + 8);
7327 if (!strncmp(message, "tellicsnoalias ", 15)) {
7328 SendToICS(ics_prefix);
7329 SendToICS(message + 15);
7333 /* The following are for backward compatibility only */
7334 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7335 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7336 SendToICS(ics_prefix);
7342 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7346 * If the move is illegal, cancel it and redraw the board.
7347 * Also deal with other error cases. Matching is rather loose
7348 * here to accommodate engines written before the spec.
7350 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7351 strncmp(message, "Error", 5) == 0) {
7352 if (StrStr(message, "name") ||
7353 StrStr(message, "rating") || StrStr(message, "?") ||
7354 StrStr(message, "result") || StrStr(message, "board") ||
7355 StrStr(message, "bk") || StrStr(message, "computer") ||
7356 StrStr(message, "variant") || StrStr(message, "hint") ||
7357 StrStr(message, "random") || StrStr(message, "depth") ||
7358 StrStr(message, "accepted")) {
7361 if (StrStr(message, "protover")) {
7362 /* Program is responding to input, so it's apparently done
7363 initializing, and this error message indicates it is
7364 protocol version 1. So we don't need to wait any longer
7365 for it to initialize and send feature commands. */
7366 FeatureDone(cps, 1);
7367 cps->protocolVersion = 1;
7370 cps->maybeThinking = FALSE;
7372 if (StrStr(message, "draw")) {
7373 /* Program doesn't have "draw" command */
7374 cps->sendDrawOffers = 0;
7377 if (cps->sendTime != 1 &&
7378 (StrStr(message, "time") || StrStr(message, "otim"))) {
7379 /* Program apparently doesn't have "time" or "otim" command */
7383 if (StrStr(message, "analyze")) {
7384 cps->analysisSupport = FALSE;
7385 cps->analyzing = FALSE;
7387 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7388 DisplayError(buf2, 0);
7391 if (StrStr(message, "(no matching move)st")) {
7392 /* Special kludge for GNU Chess 4 only */
7393 cps->stKludge = TRUE;
7394 SendTimeControl(cps, movesPerSession, timeControl,
7395 timeIncrement, appData.searchDepth,
7399 if (StrStr(message, "(no matching move)sd")) {
7400 /* Special kludge for GNU Chess 4 only */
7401 cps->sdKludge = TRUE;
7402 SendTimeControl(cps, movesPerSession, timeControl,
7403 timeIncrement, appData.searchDepth,
7407 if (!StrStr(message, "llegal")) {
7410 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7411 gameMode == IcsIdle) return;
7412 if (forwardMostMove <= backwardMostMove) return;
7413 if (pausing) PauseEvent();
7414 if(appData.forceIllegal) {
7415 // [HGM] illegal: machine refused move; force position after move into it
7416 SendToProgram("force\n", cps);
7417 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7418 // we have a real problem now, as SendBoard will use the a2a3 kludge
7419 // when black is to move, while there might be nothing on a2 or black
7420 // might already have the move. So send the board as if white has the move.
7421 // But first we must change the stm of the engine, as it refused the last move
7422 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7423 if(WhiteOnMove(forwardMostMove)) {
7424 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7425 SendBoard(cps, forwardMostMove); // kludgeless board
7427 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7428 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7429 SendBoard(cps, forwardMostMove+1); // kludgeless board
7431 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7432 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7433 gameMode == TwoMachinesPlay)
7434 SendToProgram("go\n", cps);
7437 if (gameMode == PlayFromGameFile) {
7438 /* Stop reading this game file */
7439 gameMode = EditGame;
7442 currentMove = forwardMostMove-1;
7443 DisplayMove(currentMove-1); /* before DisplayMoveError */
7444 SwitchClocks(forwardMostMove-1); // [HGM] race
7445 DisplayBothClocks();
7446 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7447 parseList[currentMove], cps->which);
7448 DisplayMoveError(buf1);
7449 DrawPosition(FALSE, boards[currentMove]);
7451 /* [HGM] illegal-move claim should forfeit game when Xboard */
7452 /* only passes fully legal moves */
7453 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7454 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7455 "False illegal-move claim", GE_XBOARD );
7459 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7460 /* Program has a broken "time" command that
7461 outputs a string not ending in newline.
7467 * If chess program startup fails, exit with an error message.
7468 * Attempts to recover here are futile.
7470 if ((StrStr(message, "unknown host") != NULL)
7471 || (StrStr(message, "No remote directory") != NULL)
7472 || (StrStr(message, "not found") != NULL)
7473 || (StrStr(message, "No such file") != NULL)
7474 || (StrStr(message, "can't alloc") != NULL)
7475 || (StrStr(message, "Permission denied") != NULL)) {
7477 cps->maybeThinking = FALSE;
7478 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7479 cps->which, cps->program, cps->host, message);
7480 RemoveInputSource(cps->isr);
7481 DisplayFatalError(buf1, 0, 1);
7486 * Look for hint output
7488 if (sscanf(message, "Hint: %s", buf1) == 1) {
7489 if (cps == &first && hintRequested) {
7490 hintRequested = FALSE;
7491 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7492 &fromX, &fromY, &toX, &toY, &promoChar)) {
7493 (void) CoordsToAlgebraic(boards[forwardMostMove],
7494 PosFlags(forwardMostMove),
7495 fromY, fromX, toY, toX, promoChar, buf1);
7496 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7497 DisplayInformation(buf2);
7499 /* Hint move could not be parsed!? */
7500 snprintf(buf2, sizeof(buf2),
7501 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7503 DisplayError(buf2, 0);
7506 strcpy(lastHint, buf1);
7512 * Ignore other messages if game is not in progress
7514 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7515 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7518 * look for win, lose, draw, or draw offer
7520 if (strncmp(message, "1-0", 3) == 0) {
7521 char *p, *q, *r = "";
7522 p = strchr(message, '{');
7530 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7532 } else if (strncmp(message, "0-1", 3) == 0) {
7533 char *p, *q, *r = "";
7534 p = strchr(message, '{');
7542 /* Kludge for Arasan 4.1 bug */
7543 if (strcmp(r, "Black resigns") == 0) {
7544 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7547 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7549 } else if (strncmp(message, "1/2", 3) == 0) {
7550 char *p, *q, *r = "";
7551 p = strchr(message, '{');
7560 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7563 } else if (strncmp(message, "White resign", 12) == 0) {
7564 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7566 } else if (strncmp(message, "Black resign", 12) == 0) {
7567 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7569 } else if (strncmp(message, "White matches", 13) == 0 ||
7570 strncmp(message, "Black matches", 13) == 0 ) {
7571 /* [HGM] ignore GNUShogi noises */
7573 } else if (strncmp(message, "White", 5) == 0 &&
7574 message[5] != '(' &&
7575 StrStr(message, "Black") == NULL) {
7576 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7578 } else if (strncmp(message, "Black", 5) == 0 &&
7579 message[5] != '(') {
7580 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7582 } else if (strcmp(message, "resign") == 0 ||
7583 strcmp(message, "computer resigns") == 0) {
7585 case MachinePlaysBlack:
7586 case IcsPlayingBlack:
7587 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7589 case MachinePlaysWhite:
7590 case IcsPlayingWhite:
7591 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7593 case TwoMachinesPlay:
7594 if (cps->twoMachinesColor[0] == 'w')
7595 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7597 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7604 } else if (strncmp(message, "opponent mates", 14) == 0) {
7606 case MachinePlaysBlack:
7607 case IcsPlayingBlack:
7608 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7610 case MachinePlaysWhite:
7611 case IcsPlayingWhite:
7612 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7614 case TwoMachinesPlay:
7615 if (cps->twoMachinesColor[0] == 'w')
7616 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7618 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7625 } else if (strncmp(message, "computer mates", 14) == 0) {
7627 case MachinePlaysBlack:
7628 case IcsPlayingBlack:
7629 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7631 case MachinePlaysWhite:
7632 case IcsPlayingWhite:
7633 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7635 case TwoMachinesPlay:
7636 if (cps->twoMachinesColor[0] == 'w')
7637 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7639 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7646 } else if (strncmp(message, "checkmate", 9) == 0) {
7647 if (WhiteOnMove(forwardMostMove)) {
7648 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7650 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7653 } else if (strstr(message, "Draw") != NULL ||
7654 strstr(message, "game is a draw") != NULL) {
7655 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7657 } else if (strstr(message, "offer") != NULL &&
7658 strstr(message, "draw") != NULL) {
7660 if (appData.zippyPlay && first.initDone) {
7661 /* Relay offer to ICS */
7662 SendToICS(ics_prefix);
7663 SendToICS("draw\n");
7666 cps->offeredDraw = 2; /* valid until this engine moves twice */
7667 if (gameMode == TwoMachinesPlay) {
7668 if (cps->other->offeredDraw) {
7669 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7670 /* [HGM] in two-machine mode we delay relaying draw offer */
7671 /* until after we also have move, to see if it is really claim */
7673 } else if (gameMode == MachinePlaysWhite ||
7674 gameMode == MachinePlaysBlack) {
7675 if (userOfferedDraw) {
7676 DisplayInformation(_("Machine accepts your draw offer"));
7677 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7679 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7686 * Look for thinking output
7688 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7689 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7691 int plylev, mvleft, mvtot, curscore, time;
7692 char mvname[MOVE_LEN];
7696 int prefixHint = FALSE;
7697 mvname[0] = NULLCHAR;
7700 case MachinePlaysBlack:
7701 case IcsPlayingBlack:
7702 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7704 case MachinePlaysWhite:
7705 case IcsPlayingWhite:
7706 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7711 case IcsObserving: /* [DM] icsEngineAnalyze */
7712 if (!appData.icsEngineAnalyze) ignore = TRUE;
7714 case TwoMachinesPlay:
7715 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7726 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7727 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7729 if (plyext != ' ' && plyext != '\t') {
7733 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7734 if( cps->scoreIsAbsolute &&
7735 ( gameMode == MachinePlaysBlack ||
7736 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7737 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7738 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7739 !WhiteOnMove(currentMove)
7742 curscore = -curscore;
7746 programStats.depth = plylev;
7747 programStats.nodes = nodes;
7748 programStats.time = time;
7749 programStats.score = curscore;
7750 programStats.got_only_move = 0;
7752 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7755 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7756 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7757 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7758 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7759 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7760 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7761 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7762 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7765 /* Buffer overflow protection */
7766 if (buf1[0] != NULLCHAR) {
7767 if (strlen(buf1) >= sizeof(programStats.movelist)
7768 && appData.debugMode) {
7770 "PV is too long; using the first %u bytes.\n",
7771 (unsigned) sizeof(programStats.movelist) - 1);
7774 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7776 sprintf(programStats.movelist, " no PV\n");
7779 if (programStats.seen_stat) {
7780 programStats.ok_to_send = 1;
7783 if (strchr(programStats.movelist, '(') != NULL) {
7784 programStats.line_is_book = 1;
7785 programStats.nr_moves = 0;
7786 programStats.moves_left = 0;
7788 programStats.line_is_book = 0;
7791 SendProgramStatsToFrontend( cps, &programStats );
7794 [AS] Protect the thinkOutput buffer from overflow... this
7795 is only useful if buf1 hasn't overflowed first!
7797 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7799 (gameMode == TwoMachinesPlay ?
7800 ToUpper(cps->twoMachinesColor[0]) : ' '),
7801 ((double) curscore) / 100.0,
7802 prefixHint ? lastHint : "",
7803 prefixHint ? " " : "" );
7805 if( buf1[0] != NULLCHAR ) {
7806 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7808 if( strlen(buf1) > max_len ) {
7809 if( appData.debugMode) {
7810 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7812 buf1[max_len+1] = '\0';
7815 strcat( thinkOutput, buf1 );
7818 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7819 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7820 DisplayMove(currentMove - 1);
7824 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7825 /* crafty (9.25+) says "(only move) <move>"
7826 * if there is only 1 legal move
7828 sscanf(p, "(only move) %s", buf1);
7829 sprintf(thinkOutput, "%s (only move)", buf1);
7830 sprintf(programStats.movelist, "%s (only move)", buf1);
7831 programStats.depth = 1;
7832 programStats.nr_moves = 1;
7833 programStats.moves_left = 1;
7834 programStats.nodes = 1;
7835 programStats.time = 1;
7836 programStats.got_only_move = 1;
7838 /* Not really, but we also use this member to
7839 mean "line isn't going to change" (Crafty
7840 isn't searching, so stats won't change) */
7841 programStats.line_is_book = 1;
7843 SendProgramStatsToFrontend( cps, &programStats );
7845 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7846 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7847 DisplayMove(currentMove - 1);
7850 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7851 &time, &nodes, &plylev, &mvleft,
7852 &mvtot, mvname) >= 5) {
7853 /* The stat01: line is from Crafty (9.29+) in response
7854 to the "." command */
7855 programStats.seen_stat = 1;
7856 cps->maybeThinking = TRUE;
7858 if (programStats.got_only_move || !appData.periodicUpdates)
7861 programStats.depth = plylev;
7862 programStats.time = time;
7863 programStats.nodes = nodes;
7864 programStats.moves_left = mvleft;
7865 programStats.nr_moves = mvtot;
7866 strcpy(programStats.move_name, mvname);
7867 programStats.ok_to_send = 1;
7868 programStats.movelist[0] = '\0';
7870 SendProgramStatsToFrontend( cps, &programStats );
7874 } else if (strncmp(message,"++",2) == 0) {
7875 /* Crafty 9.29+ outputs this */
7876 programStats.got_fail = 2;
7879 } else if (strncmp(message,"--",2) == 0) {
7880 /* Crafty 9.29+ outputs this */
7881 programStats.got_fail = 1;
7884 } else if (thinkOutput[0] != NULLCHAR &&
7885 strncmp(message, " ", 4) == 0) {
7886 unsigned message_len;
7889 while (*p && *p == ' ') p++;
7891 message_len = strlen( p );
7893 /* [AS] Avoid buffer overflow */
7894 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7895 strcat(thinkOutput, " ");
7896 strcat(thinkOutput, p);
7899 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7900 strcat(programStats.movelist, " ");
7901 strcat(programStats.movelist, p);
7904 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7905 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7906 DisplayMove(currentMove - 1);
7914 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7915 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7917 ChessProgramStats cpstats;
7919 if (plyext != ' ' && plyext != '\t') {
7923 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7924 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7925 curscore = -curscore;
7928 cpstats.depth = plylev;
7929 cpstats.nodes = nodes;
7930 cpstats.time = time;
7931 cpstats.score = curscore;
7932 cpstats.got_only_move = 0;
7933 cpstats.movelist[0] = '\0';
7935 if (buf1[0] != NULLCHAR) {
7936 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7939 cpstats.ok_to_send = 0;
7940 cpstats.line_is_book = 0;
7941 cpstats.nr_moves = 0;
7942 cpstats.moves_left = 0;
7944 SendProgramStatsToFrontend( cps, &cpstats );
7951 /* Parse a game score from the character string "game", and
7952 record it as the history of the current game. The game
7953 score is NOT assumed to start from the standard position.
7954 The display is not updated in any way.
7957 ParseGameHistory(game)
7961 int fromX, fromY, toX, toY, boardIndex;
7966 if (appData.debugMode)
7967 fprintf(debugFP, "Parsing game history: %s\n", game);
7969 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7970 gameInfo.site = StrSave(appData.icsHost);
7971 gameInfo.date = PGNDate();
7972 gameInfo.round = StrSave("-");
7974 /* Parse out names of players */
7975 while (*game == ' ') game++;
7977 while (*game != ' ') *p++ = *game++;
7979 gameInfo.white = StrSave(buf);
7980 while (*game == ' ') game++;
7982 while (*game != ' ' && *game != '\n') *p++ = *game++;
7984 gameInfo.black = StrSave(buf);
7987 boardIndex = blackPlaysFirst ? 1 : 0;
7990 yyboardindex = boardIndex;
7991 moveType = (ChessMove) yylex();
7993 case IllegalMove: /* maybe suicide chess, etc. */
7994 if (appData.debugMode) {
7995 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7996 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7997 setbuf(debugFP, NULL);
7999 case WhitePromotionChancellor:
8000 case BlackPromotionChancellor:
8001 case WhitePromotionArchbishop:
8002 case BlackPromotionArchbishop:
8003 case WhitePromotionQueen:
8004 case BlackPromotionQueen:
8005 case WhitePromotionRook:
8006 case BlackPromotionRook:
8007 case WhitePromotionBishop:
8008 case BlackPromotionBishop:
8009 case WhitePromotionKnight:
8010 case BlackPromotionKnight:
8011 case WhitePromotionKing:
8012 case BlackPromotionKing:
8014 case WhiteCapturesEnPassant:
8015 case BlackCapturesEnPassant:
8016 case WhiteKingSideCastle:
8017 case WhiteQueenSideCastle:
8018 case BlackKingSideCastle:
8019 case BlackQueenSideCastle:
8020 case WhiteKingSideCastleWild:
8021 case WhiteQueenSideCastleWild:
8022 case BlackKingSideCastleWild:
8023 case BlackQueenSideCastleWild:
8025 case WhiteHSideCastleFR:
8026 case WhiteASideCastleFR:
8027 case BlackHSideCastleFR:
8028 case BlackASideCastleFR:
8030 fromX = currentMoveString[0] - AAA;
8031 fromY = currentMoveString[1] - ONE;
8032 toX = currentMoveString[2] - AAA;
8033 toY = currentMoveString[3] - ONE;
8034 promoChar = currentMoveString[4];
8038 fromX = moveType == WhiteDrop ?
8039 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8040 (int) CharToPiece(ToLower(currentMoveString[0]));
8042 toX = currentMoveString[2] - AAA;
8043 toY = currentMoveString[3] - ONE;
8044 promoChar = NULLCHAR;
8048 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8049 if (appData.debugMode) {
8050 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8051 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8052 setbuf(debugFP, NULL);
8054 DisplayError(buf, 0);
8056 case ImpossibleMove:
8058 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8059 if (appData.debugMode) {
8060 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8061 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8062 setbuf(debugFP, NULL);
8064 DisplayError(buf, 0);
8066 case (ChessMove) 0: /* end of file */
8067 if (boardIndex < backwardMostMove) {
8068 /* Oops, gap. How did that happen? */
8069 DisplayError(_("Gap in move list"), 0);
8072 backwardMostMove = blackPlaysFirst ? 1 : 0;
8073 if (boardIndex > forwardMostMove) {
8074 forwardMostMove = boardIndex;
8078 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8079 strcat(parseList[boardIndex-1], " ");
8080 strcat(parseList[boardIndex-1], yy_text);
8092 case GameUnfinished:
8093 if (gameMode == IcsExamining) {
8094 if (boardIndex < backwardMostMove) {
8095 /* Oops, gap. How did that happen? */
8098 backwardMostMove = blackPlaysFirst ? 1 : 0;
8101 gameInfo.result = moveType;
8102 p = strchr(yy_text, '{');
8103 if (p == NULL) p = strchr(yy_text, '(');
8106 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8108 q = strchr(p, *p == '{' ? '}' : ')');
8109 if (q != NULL) *q = NULLCHAR;
8112 gameInfo.resultDetails = StrSave(p);
8115 if (boardIndex >= forwardMostMove &&
8116 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8117 backwardMostMove = blackPlaysFirst ? 1 : 0;
8120 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8121 fromY, fromX, toY, toX, promoChar,
8122 parseList[boardIndex]);
8123 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8124 /* currentMoveString is set as a side-effect of yylex */
8125 strcpy(moveList[boardIndex], currentMoveString);
8126 strcat(moveList[boardIndex], "\n");
8128 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8129 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8135 if(gameInfo.variant != VariantShogi)
8136 strcat(parseList[boardIndex - 1], "+");
8140 strcat(parseList[boardIndex - 1], "#");
8147 /* Apply a move to the given board */
8149 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8150 int fromX, fromY, toX, toY;
8154 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8155 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8157 /* [HGM] compute & store e.p. status and castling rights for new position */
8158 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8161 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8162 oldEP = (signed char)board[EP_STATUS];
8163 board[EP_STATUS] = EP_NONE;
8165 if( board[toY][toX] != EmptySquare )
8166 board[EP_STATUS] = EP_CAPTURE;
8168 if( board[fromY][fromX] == WhitePawn ) {
8169 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8170 board[EP_STATUS] = EP_PAWN_MOVE;
8172 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8173 gameInfo.variant != VariantBerolina || toX < fromX)
8174 board[EP_STATUS] = toX | berolina;
8175 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8176 gameInfo.variant != VariantBerolina || toX > fromX)
8177 board[EP_STATUS] = toX;
8180 if( board[fromY][fromX] == BlackPawn ) {
8181 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8182 board[EP_STATUS] = EP_PAWN_MOVE;
8183 if( toY-fromY== -2) {
8184 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8185 gameInfo.variant != VariantBerolina || toX < fromX)
8186 board[EP_STATUS] = toX | berolina;
8187 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8188 gameInfo.variant != VariantBerolina || toX > fromX)
8189 board[EP_STATUS] = toX;
8193 for(i=0; i<nrCastlingRights; i++) {
8194 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8195 board[CASTLING][i] == toX && castlingRank[i] == toY
8196 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8201 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8202 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8203 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8205 if (fromX == toX && fromY == toY) return;
8207 if (fromY == DROP_RANK) {
8209 piece = board[toY][toX] = (ChessSquare) fromX;
8211 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8212 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8213 if(gameInfo.variant == VariantKnightmate)
8214 king += (int) WhiteUnicorn - (int) WhiteKing;
8216 /* Code added by Tord: */
8217 /* FRC castling assumed when king captures friendly rook. */
8218 if (board[fromY][fromX] == WhiteKing &&
8219 board[toY][toX] == WhiteRook) {
8220 board[fromY][fromX] = EmptySquare;
8221 board[toY][toX] = EmptySquare;
8223 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8225 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8227 } else if (board[fromY][fromX] == BlackKing &&
8228 board[toY][toX] == BlackRook) {
8229 board[fromY][fromX] = EmptySquare;
8230 board[toY][toX] = EmptySquare;
8232 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8234 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8236 /* End of code added by Tord */
8238 } else if (board[fromY][fromX] == king
8239 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8240 && toY == fromY && toX > fromX+1) {
8241 board[fromY][fromX] = EmptySquare;
8242 board[toY][toX] = king;
8243 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8244 board[fromY][BOARD_RGHT-1] = EmptySquare;
8245 } else if (board[fromY][fromX] == king
8246 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8247 && toY == fromY && toX < fromX-1) {
8248 board[fromY][fromX] = EmptySquare;
8249 board[toY][toX] = king;
8250 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8251 board[fromY][BOARD_LEFT] = EmptySquare;
8252 } else if (board[fromY][fromX] == WhitePawn
8253 && toY >= BOARD_HEIGHT-promoRank
8254 && gameInfo.variant != VariantXiangqi
8256 /* white pawn promotion */
8257 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8258 if (board[toY][toX] == EmptySquare) {
8259 board[toY][toX] = WhiteQueen;
8261 if(gameInfo.variant==VariantBughouse ||
8262 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8263 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8264 board[fromY][fromX] = EmptySquare;
8265 } else if ((fromY == BOARD_HEIGHT-4)
8267 && gameInfo.variant != VariantXiangqi
8268 && gameInfo.variant != VariantBerolina
8269 && (board[fromY][fromX] == WhitePawn)
8270 && (board[toY][toX] == EmptySquare)) {
8271 board[fromY][fromX] = EmptySquare;
8272 board[toY][toX] = WhitePawn;
8273 captured = board[toY - 1][toX];
8274 board[toY - 1][toX] = EmptySquare;
8275 } else if ((fromY == BOARD_HEIGHT-4)
8277 && gameInfo.variant == VariantBerolina
8278 && (board[fromY][fromX] == WhitePawn)
8279 && (board[toY][toX] == EmptySquare)) {
8280 board[fromY][fromX] = EmptySquare;
8281 board[toY][toX] = WhitePawn;
8282 if(oldEP & EP_BEROLIN_A) {
8283 captured = board[fromY][fromX-1];
8284 board[fromY][fromX-1] = EmptySquare;
8285 }else{ captured = board[fromY][fromX+1];
8286 board[fromY][fromX+1] = EmptySquare;
8288 } else if (board[fromY][fromX] == king
8289 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8290 && toY == fromY && toX > fromX+1) {
8291 board[fromY][fromX] = EmptySquare;
8292 board[toY][toX] = king;
8293 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8294 board[fromY][BOARD_RGHT-1] = EmptySquare;
8295 } else if (board[fromY][fromX] == king
8296 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8297 && toY == fromY && toX < fromX-1) {
8298 board[fromY][fromX] = EmptySquare;
8299 board[toY][toX] = king;
8300 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8301 board[fromY][BOARD_LEFT] = EmptySquare;
8302 } else if (fromY == 7 && fromX == 3
8303 && board[fromY][fromX] == BlackKing
8304 && toY == 7 && toX == 5) {
8305 board[fromY][fromX] = EmptySquare;
8306 board[toY][toX] = BlackKing;
8307 board[fromY][7] = EmptySquare;
8308 board[toY][4] = BlackRook;
8309 } else if (fromY == 7 && fromX == 3
8310 && board[fromY][fromX] == BlackKing
8311 && toY == 7 && toX == 1) {
8312 board[fromY][fromX] = EmptySquare;
8313 board[toY][toX] = BlackKing;
8314 board[fromY][0] = EmptySquare;
8315 board[toY][2] = BlackRook;
8316 } else if (board[fromY][fromX] == BlackPawn
8318 && gameInfo.variant != VariantXiangqi
8320 /* black pawn promotion */
8321 board[toY][toX] = CharToPiece(ToLower(promoChar));
8322 if (board[toY][toX] == EmptySquare) {
8323 board[toY][toX] = BlackQueen;
8325 if(gameInfo.variant==VariantBughouse ||
8326 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8327 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8328 board[fromY][fromX] = EmptySquare;
8329 } else if ((fromY == 3)
8331 && gameInfo.variant != VariantXiangqi
8332 && gameInfo.variant != VariantBerolina
8333 && (board[fromY][fromX] == BlackPawn)
8334 && (board[toY][toX] == EmptySquare)) {
8335 board[fromY][fromX] = EmptySquare;
8336 board[toY][toX] = BlackPawn;
8337 captured = board[toY + 1][toX];
8338 board[toY + 1][toX] = EmptySquare;
8339 } else if ((fromY == 3)
8341 && gameInfo.variant == VariantBerolina
8342 && (board[fromY][fromX] == BlackPawn)
8343 && (board[toY][toX] == EmptySquare)) {
8344 board[fromY][fromX] = EmptySquare;
8345 board[toY][toX] = BlackPawn;
8346 if(oldEP & EP_BEROLIN_A) {
8347 captured = board[fromY][fromX-1];
8348 board[fromY][fromX-1] = EmptySquare;
8349 }else{ captured = board[fromY][fromX+1];
8350 board[fromY][fromX+1] = EmptySquare;
8353 board[toY][toX] = board[fromY][fromX];
8354 board[fromY][fromX] = EmptySquare;
8357 /* [HGM] now we promote for Shogi, if needed */
8358 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8359 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8362 if (gameInfo.holdingsWidth != 0) {
8364 /* !!A lot more code needs to be written to support holdings */
8365 /* [HGM] OK, so I have written it. Holdings are stored in the */
8366 /* penultimate board files, so they are automaticlly stored */
8367 /* in the game history. */
8368 if (fromY == DROP_RANK) {
8369 /* Delete from holdings, by decreasing count */
8370 /* and erasing image if necessary */
8372 if(p < (int) BlackPawn) { /* white drop */
8373 p -= (int)WhitePawn;
8374 p = PieceToNumber((ChessSquare)p);
8375 if(p >= gameInfo.holdingsSize) p = 0;
8376 if(--board[p][BOARD_WIDTH-2] <= 0)
8377 board[p][BOARD_WIDTH-1] = EmptySquare;
8378 if((int)board[p][BOARD_WIDTH-2] < 0)
8379 board[p][BOARD_WIDTH-2] = 0;
8380 } else { /* black drop */
8381 p -= (int)BlackPawn;
8382 p = PieceToNumber((ChessSquare)p);
8383 if(p >= gameInfo.holdingsSize) p = 0;
8384 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8385 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8386 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8387 board[BOARD_HEIGHT-1-p][1] = 0;
8390 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8391 && gameInfo.variant != VariantBughouse ) {
8392 /* [HGM] holdings: Add to holdings, if holdings exist */
8393 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8394 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8395 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8398 if (p >= (int) BlackPawn) {
8399 p -= (int)BlackPawn;
8400 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8401 /* in Shogi restore piece to its original first */
8402 captured = (ChessSquare) (DEMOTED captured);
8405 p = PieceToNumber((ChessSquare)p);
8406 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8407 board[p][BOARD_WIDTH-2]++;
8408 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8410 p -= (int)WhitePawn;
8411 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8412 captured = (ChessSquare) (DEMOTED captured);
8415 p = PieceToNumber((ChessSquare)p);
8416 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8417 board[BOARD_HEIGHT-1-p][1]++;
8418 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8421 } else if (gameInfo.variant == VariantAtomic) {
8422 if (captured != EmptySquare) {
8424 for (y = toY-1; y <= toY+1; y++) {
8425 for (x = toX-1; x <= toX+1; x++) {
8426 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8427 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8428 board[y][x] = EmptySquare;
8432 board[toY][toX] = EmptySquare;
8435 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8436 /* [HGM] Shogi promotions */
8437 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8440 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8441 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8442 // [HGM] superchess: take promotion piece out of holdings
8443 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8444 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8445 if(!--board[k][BOARD_WIDTH-2])
8446 board[k][BOARD_WIDTH-1] = EmptySquare;
8448 if(!--board[BOARD_HEIGHT-1-k][1])
8449 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8455 /* Updates forwardMostMove */
8457 MakeMove(fromX, fromY, toX, toY, promoChar)
8458 int fromX, fromY, toX, toY;
8461 // forwardMostMove++; // [HGM] bare: moved downstream
8463 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8464 int timeLeft; static int lastLoadFlag=0; int king, piece;
8465 piece = boards[forwardMostMove][fromY][fromX];
8466 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8467 if(gameInfo.variant == VariantKnightmate)
8468 king += (int) WhiteUnicorn - (int) WhiteKing;
8469 if(forwardMostMove == 0) {
8471 fprintf(serverMoves, "%s;", second.tidy);
8472 fprintf(serverMoves, "%s;", first.tidy);
8473 if(!blackPlaysFirst)
8474 fprintf(serverMoves, "%s;", second.tidy);
8475 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8476 lastLoadFlag = loadFlag;
8478 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8479 // print castling suffix
8480 if( toY == fromY && piece == king ) {
8482 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8484 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8487 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8488 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8489 boards[forwardMostMove][toY][toX] == EmptySquare
8491 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8493 if(promoChar != NULLCHAR)
8494 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8496 fprintf(serverMoves, "/%d/%d",
8497 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8498 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8499 else timeLeft = blackTimeRemaining/1000;
8500 fprintf(serverMoves, "/%d", timeLeft);
8502 fflush(serverMoves);
8505 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8506 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8510 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8511 if (commentList[forwardMostMove+1] != NULL) {
8512 free(commentList[forwardMostMove+1]);
8513 commentList[forwardMostMove+1] = NULL;
8515 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8516 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8517 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8518 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8519 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8520 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8521 gameInfo.result = GameUnfinished;
8522 if (gameInfo.resultDetails != NULL) {
8523 free(gameInfo.resultDetails);
8524 gameInfo.resultDetails = NULL;
8526 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8527 moveList[forwardMostMove - 1]);
8528 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8529 PosFlags(forwardMostMove - 1),
8530 fromY, fromX, toY, toX, promoChar,
8531 parseList[forwardMostMove - 1]);
8532 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8538 if(gameInfo.variant != VariantShogi)
8539 strcat(parseList[forwardMostMove - 1], "+");
8543 strcat(parseList[forwardMostMove - 1], "#");
8546 if (appData.debugMode) {
8547 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8552 /* Updates currentMove if not pausing */
8554 ShowMove(fromX, fromY, toX, toY)
8556 int instant = (gameMode == PlayFromGameFile) ?
8557 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8558 if(appData.noGUI) return;
8559 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8561 if (forwardMostMove == currentMove + 1) {
8562 AnimateMove(boards[forwardMostMove - 1],
8563 fromX, fromY, toX, toY);
8565 if (appData.highlightLastMove) {
8566 SetHighlights(fromX, fromY, toX, toY);
8569 currentMove = forwardMostMove;
8572 if (instant) return;
8574 DisplayMove(currentMove - 1);
8575 DrawPosition(FALSE, boards[currentMove]);
8576 DisplayBothClocks();
8577 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8580 void SendEgtPath(ChessProgramState *cps)
8581 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8582 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8584 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8587 char c, *q = name+1, *r, *s;
8589 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8590 while(*p && *p != ',') *q++ = *p++;
8592 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8593 strcmp(name, ",nalimov:") == 0 ) {
8594 // take nalimov path from the menu-changeable option first, if it is defined
8595 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8596 SendToProgram(buf,cps); // send egtbpath command for nalimov
8598 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8599 (s = StrStr(appData.egtFormats, name)) != NULL) {
8600 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8601 s = r = StrStr(s, ":") + 1; // beginning of path info
8602 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8603 c = *r; *r = 0; // temporarily null-terminate path info
8604 *--q = 0; // strip of trailig ':' from name
8605 sprintf(buf, "egtpath %s %s\n", name+1, s);
8607 SendToProgram(buf,cps); // send egtbpath command for this format
8609 if(*p == ',') p++; // read away comma to position for next format name
8614 InitChessProgram(cps, setup)
8615 ChessProgramState *cps;
8616 int setup; /* [HGM] needed to setup FRC opening position */
8618 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8619 if (appData.noChessProgram) return;
8620 hintRequested = FALSE;
8621 bookRequested = FALSE;
8623 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8624 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8625 if(cps->memSize) { /* [HGM] memory */
8626 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8627 SendToProgram(buf, cps);
8629 SendEgtPath(cps); /* [HGM] EGT */
8630 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8631 sprintf(buf, "cores %d\n", appData.smpCores);
8632 SendToProgram(buf, cps);
8635 SendToProgram(cps->initString, cps);
8636 if (gameInfo.variant != VariantNormal &&
8637 gameInfo.variant != VariantLoadable
8638 /* [HGM] also send variant if board size non-standard */
8639 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8641 char *v = VariantName(gameInfo.variant);
8642 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8643 /* [HGM] in protocol 1 we have to assume all variants valid */
8644 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8645 DisplayFatalError(buf, 0, 1);
8649 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8650 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8651 if( gameInfo.variant == VariantXiangqi )
8652 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8653 if( gameInfo.variant == VariantShogi )
8654 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8655 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8656 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8657 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8658 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8659 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8660 if( gameInfo.variant == VariantCourier )
8661 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8662 if( gameInfo.variant == VariantSuper )
8663 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8664 if( gameInfo.variant == VariantGreat )
8665 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8668 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8669 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8670 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8671 if(StrStr(cps->variants, b) == NULL) {
8672 // specific sized variant not known, check if general sizing allowed
8673 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8674 if(StrStr(cps->variants, "boardsize") == NULL) {
8675 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8676 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8677 DisplayFatalError(buf, 0, 1);
8680 /* [HGM] here we really should compare with the maximum supported board size */
8683 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8684 sprintf(buf, "variant %s\n", b);
8685 SendToProgram(buf, cps);
8687 currentlyInitializedVariant = gameInfo.variant;
8689 /* [HGM] send opening position in FRC to first engine */
8691 SendToProgram("force\n", cps);
8693 /* engine is now in force mode! Set flag to wake it up after first move. */
8694 setboardSpoiledMachineBlack = 1;
8698 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8699 SendToProgram(buf, cps);
8701 cps->maybeThinking = FALSE;
8702 cps->offeredDraw = 0;
8703 if (!appData.icsActive) {
8704 SendTimeControl(cps, movesPerSession, timeControl,
8705 timeIncrement, appData.searchDepth,
8708 if (appData.showThinking
8709 // [HGM] thinking: four options require thinking output to be sent
8710 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8712 SendToProgram("post\n", cps);
8714 SendToProgram("hard\n", cps);
8715 if (!appData.ponderNextMove) {
8716 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8717 it without being sure what state we are in first. "hard"
8718 is not a toggle, so that one is OK.
8720 SendToProgram("easy\n", cps);
8723 sprintf(buf, "ping %d\n", ++cps->lastPing);
8724 SendToProgram(buf, cps);
8726 cps->initDone = TRUE;
8731 StartChessProgram(cps)
8732 ChessProgramState *cps;
8737 if (appData.noChessProgram) return;
8738 cps->initDone = FALSE;
8740 if (strcmp(cps->host, "localhost") == 0) {
8741 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8742 } else if (*appData.remoteShell == NULLCHAR) {
8743 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8745 if (*appData.remoteUser == NULLCHAR) {
8746 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8749 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8750 cps->host, appData.remoteUser, cps->program);
8752 err = StartChildProcess(buf, "", &cps->pr);
8756 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8757 DisplayFatalError(buf, err, 1);
8763 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8764 if (cps->protocolVersion > 1) {
8765 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8766 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8767 cps->comboCnt = 0; // and values of combo boxes
8768 SendToProgram(buf, cps);
8770 SendToProgram("xboard\n", cps);
8776 TwoMachinesEventIfReady P((void))
8778 if (first.lastPing != first.lastPong) {
8779 DisplayMessage("", _("Waiting for first chess program"));
8780 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8783 if (second.lastPing != second.lastPong) {
8784 DisplayMessage("", _("Waiting for second chess program"));
8785 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8793 NextMatchGame P((void))
8795 int index; /* [HGM] autoinc: step load index during match */
8797 if (*appData.loadGameFile != NULLCHAR) {
8798 index = appData.loadGameIndex;
8799 if(index < 0) { // [HGM] autoinc
8800 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8801 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8803 LoadGameFromFile(appData.loadGameFile,
8805 appData.loadGameFile, FALSE);
8806 } else if (*appData.loadPositionFile != NULLCHAR) {
8807 index = appData.loadPositionIndex;
8808 if(index < 0) { // [HGM] autoinc
8809 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8810 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8812 LoadPositionFromFile(appData.loadPositionFile,
8814 appData.loadPositionFile);
8816 TwoMachinesEventIfReady();
8819 void UserAdjudicationEvent( int result )
8821 ChessMove gameResult = GameIsDrawn;
8824 gameResult = WhiteWins;
8826 else if( result < 0 ) {
8827 gameResult = BlackWins;
8830 if( gameMode == TwoMachinesPlay ) {
8831 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8836 // [HGM] save: calculate checksum of game to make games easily identifiable
8837 int StringCheckSum(char *s)
8840 if(s==NULL) return 0;
8841 while(*s) i = i*259 + *s++;
8848 for(i=backwardMostMove; i<forwardMostMove; i++) {
8849 sum += pvInfoList[i].depth;
8850 sum += StringCheckSum(parseList[i]);
8851 sum += StringCheckSum(commentList[i]);
8854 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8855 return sum + StringCheckSum(commentList[i]);
8856 } // end of save patch
8859 GameEnds(result, resultDetails, whosays)
8861 char *resultDetails;
8864 GameMode nextGameMode;
8868 if(endingGame) return; /* [HGM] crash: forbid recursion */
8871 if (appData.debugMode) {
8872 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8873 result, resultDetails ? resultDetails : "(null)", whosays);
8876 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8878 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8879 /* If we are playing on ICS, the server decides when the
8880 game is over, but the engine can offer to draw, claim
8884 if (appData.zippyPlay && first.initDone) {
8885 if (result == GameIsDrawn) {
8886 /* In case draw still needs to be claimed */
8887 SendToICS(ics_prefix);
8888 SendToICS("draw\n");
8889 } else if (StrCaseStr(resultDetails, "resign")) {
8890 SendToICS(ics_prefix);
8891 SendToICS("resign\n");
8895 endingGame = 0; /* [HGM] crash */
8899 /* If we're loading the game from a file, stop */
8900 if (whosays == GE_FILE) {
8901 (void) StopLoadGameTimer();
8905 /* Cancel draw offers */
8906 first.offeredDraw = second.offeredDraw = 0;
8908 /* If this is an ICS game, only ICS can really say it's done;
8909 if not, anyone can. */
8910 isIcsGame = (gameMode == IcsPlayingWhite ||
8911 gameMode == IcsPlayingBlack ||
8912 gameMode == IcsObserving ||
8913 gameMode == IcsExamining);
8915 if (!isIcsGame || whosays == GE_ICS) {
8916 /* OK -- not an ICS game, or ICS said it was done */
8918 if (!isIcsGame && !appData.noChessProgram)
8919 SetUserThinkingEnables();
8921 /* [HGM] if a machine claims the game end we verify this claim */
8922 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8923 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8925 ChessMove trueResult = (ChessMove) -1;
8927 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8928 first.twoMachinesColor[0] :
8929 second.twoMachinesColor[0] ;
8931 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8932 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8933 /* [HGM] verify: engine mate claims accepted if they were flagged */
8934 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8936 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8937 /* [HGM] verify: engine mate claims accepted if they were flagged */
8938 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8940 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8941 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8944 // now verify win claims, but not in drop games, as we don't understand those yet
8945 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8946 || gameInfo.variant == VariantGreat) &&
8947 (result == WhiteWins && claimer == 'w' ||
8948 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8949 if (appData.debugMode) {
8950 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8951 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8953 if(result != trueResult) {
8954 sprintf(buf, "False win claim: '%s'", resultDetails);
8955 result = claimer == 'w' ? BlackWins : WhiteWins;
8956 resultDetails = buf;
8959 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8960 && (forwardMostMove <= backwardMostMove ||
8961 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8962 (claimer=='b')==(forwardMostMove&1))
8964 /* [HGM] verify: draws that were not flagged are false claims */
8965 sprintf(buf, "False draw claim: '%s'", resultDetails);
8966 result = claimer == 'w' ? BlackWins : WhiteWins;
8967 resultDetails = buf;
8969 /* (Claiming a loss is accepted no questions asked!) */
8971 /* [HGM] bare: don't allow bare King to win */
8972 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8973 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8974 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8975 && result != GameIsDrawn)
8976 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8977 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8978 int p = (signed char)boards[forwardMostMove][i][j] - color;
8979 if(p >= 0 && p <= (int)WhiteKing) k++;
8981 if (appData.debugMode) {
8982 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8983 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8986 result = GameIsDrawn;
8987 sprintf(buf, "%s but bare king", resultDetails);
8988 resultDetails = buf;
8994 if(serverMoves != NULL && !loadFlag) { char c = '=';
8995 if(result==WhiteWins) c = '+';
8996 if(result==BlackWins) c = '-';
8997 if(resultDetails != NULL)
8998 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9000 if (resultDetails != NULL) {
9001 gameInfo.result = result;
9002 gameInfo.resultDetails = StrSave(resultDetails);
9004 /* display last move only if game was not loaded from file */
9005 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9006 DisplayMove(currentMove - 1);
9008 if (forwardMostMove != 0) {
9009 if (gameMode != PlayFromGameFile && gameMode != EditGame
9010 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9012 if (*appData.saveGameFile != NULLCHAR) {
9013 SaveGameToFile(appData.saveGameFile, TRUE);
9014 } else if (appData.autoSaveGames) {
9017 if (*appData.savePositionFile != NULLCHAR) {
9018 SavePositionToFile(appData.savePositionFile);
9023 /* Tell program how game ended in case it is learning */
9024 /* [HGM] Moved this to after saving the PGN, just in case */
9025 /* engine died and we got here through time loss. In that */
9026 /* case we will get a fatal error writing the pipe, which */
9027 /* would otherwise lose us the PGN. */
9028 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9029 /* output during GameEnds should never be fatal anymore */
9030 if (gameMode == MachinePlaysWhite ||
9031 gameMode == MachinePlaysBlack ||
9032 gameMode == TwoMachinesPlay ||
9033 gameMode == IcsPlayingWhite ||
9034 gameMode == IcsPlayingBlack ||
9035 gameMode == BeginningOfGame) {
9037 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9039 if (first.pr != NoProc) {
9040 SendToProgram(buf, &first);
9042 if (second.pr != NoProc &&
9043 gameMode == TwoMachinesPlay) {
9044 SendToProgram(buf, &second);
9049 if (appData.icsActive) {
9050 if (appData.quietPlay &&
9051 (gameMode == IcsPlayingWhite ||
9052 gameMode == IcsPlayingBlack)) {
9053 SendToICS(ics_prefix);
9054 SendToICS("set shout 1\n");
9056 nextGameMode = IcsIdle;
9057 ics_user_moved = FALSE;
9058 /* clean up premove. It's ugly when the game has ended and the
9059 * premove highlights are still on the board.
9063 ClearPremoveHighlights();
9064 DrawPosition(FALSE, boards[currentMove]);
9066 if (whosays == GE_ICS) {
9069 if (gameMode == IcsPlayingWhite)
9071 else if(gameMode == IcsPlayingBlack)
9075 if (gameMode == IcsPlayingBlack)
9077 else if(gameMode == IcsPlayingWhite)
9084 PlayIcsUnfinishedSound();
9087 } else if (gameMode == EditGame ||
9088 gameMode == PlayFromGameFile ||
9089 gameMode == AnalyzeMode ||
9090 gameMode == AnalyzeFile) {
9091 nextGameMode = gameMode;
9093 nextGameMode = EndOfGame;
9098 nextGameMode = gameMode;
9101 if (appData.noChessProgram) {
9102 gameMode = nextGameMode;
9104 endingGame = 0; /* [HGM] crash */
9109 /* Put first chess program into idle state */
9110 if (first.pr != NoProc &&
9111 (gameMode == MachinePlaysWhite ||
9112 gameMode == MachinePlaysBlack ||
9113 gameMode == TwoMachinesPlay ||
9114 gameMode == IcsPlayingWhite ||
9115 gameMode == IcsPlayingBlack ||
9116 gameMode == BeginningOfGame)) {
9117 SendToProgram("force\n", &first);
9118 if (first.usePing) {
9120 sprintf(buf, "ping %d\n", ++first.lastPing);
9121 SendToProgram(buf, &first);
9124 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9125 /* Kill off first chess program */
9126 if (first.isr != NULL)
9127 RemoveInputSource(first.isr);
9130 if (first.pr != NoProc) {
9132 DoSleep( appData.delayBeforeQuit );
9133 SendToProgram("quit\n", &first);
9134 DoSleep( appData.delayAfterQuit );
9135 DestroyChildProcess(first.pr, first.useSigterm);
9140 /* Put second chess program into idle state */
9141 if (second.pr != NoProc &&
9142 gameMode == TwoMachinesPlay) {
9143 SendToProgram("force\n", &second);
9144 if (second.usePing) {
9146 sprintf(buf, "ping %d\n", ++second.lastPing);
9147 SendToProgram(buf, &second);
9150 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9151 /* Kill off second chess program */
9152 if (second.isr != NULL)
9153 RemoveInputSource(second.isr);
9156 if (second.pr != NoProc) {
9157 DoSleep( appData.delayBeforeQuit );
9158 SendToProgram("quit\n", &second);
9159 DoSleep( appData.delayAfterQuit );
9160 DestroyChildProcess(second.pr, second.useSigterm);
9165 if (matchMode && gameMode == TwoMachinesPlay) {
9168 if (first.twoMachinesColor[0] == 'w') {
9175 if (first.twoMachinesColor[0] == 'b') {
9184 if (matchGame < appData.matchGames) {
9186 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9187 tmp = first.twoMachinesColor;
9188 first.twoMachinesColor = second.twoMachinesColor;
9189 second.twoMachinesColor = tmp;
9191 gameMode = nextGameMode;
9193 if(appData.matchPause>10000 || appData.matchPause<10)
9194 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9195 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9196 endingGame = 0; /* [HGM] crash */
9200 gameMode = nextGameMode;
9201 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9202 first.tidy, second.tidy,
9203 first.matchWins, second.matchWins,
9204 appData.matchGames - (first.matchWins + second.matchWins));
9205 DisplayFatalError(buf, 0, 0);
9208 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9209 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9211 gameMode = nextGameMode;
9213 endingGame = 0; /* [HGM] crash */
9216 /* Assumes program was just initialized (initString sent).
9217 Leaves program in force mode. */
9219 FeedMovesToProgram(cps, upto)
9220 ChessProgramState *cps;
9225 if (appData.debugMode)
9226 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9227 startedFromSetupPosition ? "position and " : "",
9228 backwardMostMove, upto, cps->which);
9229 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9230 // [HGM] variantswitch: make engine aware of new variant
9231 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9232 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9233 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9234 SendToProgram(buf, cps);
9235 currentlyInitializedVariant = gameInfo.variant;
9237 SendToProgram("force\n", cps);
9238 if (startedFromSetupPosition) {
9239 SendBoard(cps, backwardMostMove);
9240 if (appData.debugMode) {
9241 fprintf(debugFP, "feedMoves\n");
9244 for (i = backwardMostMove; i < upto; i++) {
9245 SendMoveToProgram(i, cps);
9251 ResurrectChessProgram()
9253 /* The chess program may have exited.
9254 If so, restart it and feed it all the moves made so far. */
9256 if (appData.noChessProgram || first.pr != NoProc) return;
9258 StartChessProgram(&first);
9259 InitChessProgram(&first, FALSE);
9260 FeedMovesToProgram(&first, currentMove);
9262 if (!first.sendTime) {
9263 /* can't tell gnuchess what its clock should read,
9264 so we bow to its notion. */
9266 timeRemaining[0][currentMove] = whiteTimeRemaining;
9267 timeRemaining[1][currentMove] = blackTimeRemaining;
9270 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9271 appData.icsEngineAnalyze) && first.analysisSupport) {
9272 SendToProgram("analyze\n", &first);
9273 first.analyzing = TRUE;
9286 if (appData.debugMode) {
9287 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9288 redraw, init, gameMode);
9290 CleanupTail(); // [HGM] vari: delete any stored variations
9291 pausing = pauseExamInvalid = FALSE;
9292 startedFromSetupPosition = blackPlaysFirst = FALSE;
9294 whiteFlag = blackFlag = FALSE;
9295 userOfferedDraw = FALSE;
9296 hintRequested = bookRequested = FALSE;
9297 first.maybeThinking = FALSE;
9298 second.maybeThinking = FALSE;
9299 first.bookSuspend = FALSE; // [HGM] book
9300 second.bookSuspend = FALSE;
9301 thinkOutput[0] = NULLCHAR;
9302 lastHint[0] = NULLCHAR;
9303 ClearGameInfo(&gameInfo);
9304 gameInfo.variant = StringToVariant(appData.variant);
9305 ics_user_moved = ics_clock_paused = FALSE;
9306 ics_getting_history = H_FALSE;
9308 white_holding[0] = black_holding[0] = NULLCHAR;
9309 ClearProgramStats();
9310 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9314 flipView = appData.flipView;
9315 ClearPremoveHighlights();
9317 alarmSounded = FALSE;
9319 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9320 if(appData.serverMovesName != NULL) {
9321 /* [HGM] prepare to make moves file for broadcasting */
9322 clock_t t = clock();
9323 if(serverMoves != NULL) fclose(serverMoves);
9324 serverMoves = fopen(appData.serverMovesName, "r");
9325 if(serverMoves != NULL) {
9326 fclose(serverMoves);
9327 /* delay 15 sec before overwriting, so all clients can see end */
9328 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9330 serverMoves = fopen(appData.serverMovesName, "w");
9334 gameMode = BeginningOfGame;
9336 if(appData.icsActive) gameInfo.variant = VariantNormal;
9337 currentMove = forwardMostMove = backwardMostMove = 0;
9338 InitPosition(redraw);
9339 for (i = 0; i < MAX_MOVES; i++) {
9340 if (commentList[i] != NULL) {
9341 free(commentList[i]);
9342 commentList[i] = NULL;
9346 timeRemaining[0][0] = whiteTimeRemaining;
9347 timeRemaining[1][0] = blackTimeRemaining;
9348 if (first.pr == NULL) {
9349 StartChessProgram(&first);
9352 InitChessProgram(&first, startedFromSetupPosition);
9355 DisplayMessage("", "");
9356 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9357 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9364 if (!AutoPlayOneMove())
9366 if (matchMode || appData.timeDelay == 0)
9368 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9370 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9379 int fromX, fromY, toX, toY;
9381 if (appData.debugMode) {
9382 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9385 if (gameMode != PlayFromGameFile)
9388 if (currentMove >= forwardMostMove) {
9389 gameMode = EditGame;
9392 /* [AS] Clear current move marker at the end of a game */
9393 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9398 toX = moveList[currentMove][2] - AAA;
9399 toY = moveList[currentMove][3] - ONE;
9401 if (moveList[currentMove][1] == '@') {
9402 if (appData.highlightLastMove) {
9403 SetHighlights(-1, -1, toX, toY);
9406 fromX = moveList[currentMove][0] - AAA;
9407 fromY = moveList[currentMove][1] - ONE;
9409 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9411 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9413 if (appData.highlightLastMove) {
9414 SetHighlights(fromX, fromY, toX, toY);
9417 DisplayMove(currentMove);
9418 SendMoveToProgram(currentMove++, &first);
9419 DisplayBothClocks();
9420 DrawPosition(FALSE, boards[currentMove]);
9421 // [HGM] PV info: always display, routine tests if empty
9422 DisplayComment(currentMove - 1, commentList[currentMove]);
9428 LoadGameOneMove(readAhead)
9429 ChessMove readAhead;
9431 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9432 char promoChar = NULLCHAR;
9437 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9438 gameMode != AnalyzeMode && gameMode != Training) {
9443 yyboardindex = forwardMostMove;
9444 if (readAhead != (ChessMove)0) {
9445 moveType = readAhead;
9447 if (gameFileFP == NULL)
9449 moveType = (ChessMove) yylex();
9455 if (appData.debugMode)
9456 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9459 /* append the comment but don't display it */
9460 AppendComment(currentMove, p, FALSE);
9463 case WhiteCapturesEnPassant:
9464 case BlackCapturesEnPassant:
9465 case WhitePromotionChancellor:
9466 case BlackPromotionChancellor:
9467 case WhitePromotionArchbishop:
9468 case BlackPromotionArchbishop:
9469 case WhitePromotionCentaur:
9470 case BlackPromotionCentaur:
9471 case WhitePromotionQueen:
9472 case BlackPromotionQueen:
9473 case WhitePromotionRook:
9474 case BlackPromotionRook:
9475 case WhitePromotionBishop:
9476 case BlackPromotionBishop:
9477 case WhitePromotionKnight:
9478 case BlackPromotionKnight:
9479 case WhitePromotionKing:
9480 case BlackPromotionKing:
9482 case WhiteKingSideCastle:
9483 case WhiteQueenSideCastle:
9484 case BlackKingSideCastle:
9485 case BlackQueenSideCastle:
9486 case WhiteKingSideCastleWild:
9487 case WhiteQueenSideCastleWild:
9488 case BlackKingSideCastleWild:
9489 case BlackQueenSideCastleWild:
9491 case WhiteHSideCastleFR:
9492 case WhiteASideCastleFR:
9493 case BlackHSideCastleFR:
9494 case BlackASideCastleFR:
9496 if (appData.debugMode)
9497 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9498 fromX = currentMoveString[0] - AAA;
9499 fromY = currentMoveString[1] - ONE;
9500 toX = currentMoveString[2] - AAA;
9501 toY = currentMoveString[3] - ONE;
9502 promoChar = currentMoveString[4];
9507 if (appData.debugMode)
9508 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9509 fromX = moveType == WhiteDrop ?
9510 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9511 (int) CharToPiece(ToLower(currentMoveString[0]));
9513 toX = currentMoveString[2] - AAA;
9514 toY = currentMoveString[3] - ONE;
9520 case GameUnfinished:
9521 if (appData.debugMode)
9522 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9523 p = strchr(yy_text, '{');
9524 if (p == NULL) p = strchr(yy_text, '(');
9527 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9529 q = strchr(p, *p == '{' ? '}' : ')');
9530 if (q != NULL) *q = NULLCHAR;
9533 GameEnds(moveType, p, GE_FILE);
9535 if (cmailMsgLoaded) {
9537 flipView = WhiteOnMove(currentMove);
9538 if (moveType == GameUnfinished) flipView = !flipView;
9539 if (appData.debugMode)
9540 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9544 case (ChessMove) 0: /* end of file */
9545 if (appData.debugMode)
9546 fprintf(debugFP, "Parser hit end of file\n");
9547 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9553 if (WhiteOnMove(currentMove)) {
9554 GameEnds(BlackWins, "Black mates", GE_FILE);
9556 GameEnds(WhiteWins, "White mates", GE_FILE);
9560 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9567 if (lastLoadGameStart == GNUChessGame) {
9568 /* GNUChessGames have numbers, but they aren't move numbers */
9569 if (appData.debugMode)
9570 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9571 yy_text, (int) moveType);
9572 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9574 /* else fall thru */
9579 /* Reached start of next game in file */
9580 if (appData.debugMode)
9581 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9582 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9588 if (WhiteOnMove(currentMove)) {
9589 GameEnds(BlackWins, "Black mates", GE_FILE);
9591 GameEnds(WhiteWins, "White mates", GE_FILE);
9595 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9601 case PositionDiagram: /* should not happen; ignore */
9602 case ElapsedTime: /* ignore */
9603 case NAG: /* ignore */
9604 if (appData.debugMode)
9605 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9606 yy_text, (int) moveType);
9607 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9610 if (appData.testLegality) {
9611 if (appData.debugMode)
9612 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9613 sprintf(move, _("Illegal move: %d.%s%s"),
9614 (forwardMostMove / 2) + 1,
9615 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9616 DisplayError(move, 0);
9619 if (appData.debugMode)
9620 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9621 yy_text, currentMoveString);
9622 fromX = currentMoveString[0] - AAA;
9623 fromY = currentMoveString[1] - ONE;
9624 toX = currentMoveString[2] - AAA;
9625 toY = currentMoveString[3] - ONE;
9626 promoChar = currentMoveString[4];
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9633 sprintf(move, _("Ambiguous move: %d.%s%s"),
9634 (forwardMostMove / 2) + 1,
9635 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9636 DisplayError(move, 0);
9641 case ImpossibleMove:
9642 if (appData.debugMode)
9643 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9644 sprintf(move, _("Illegal move: %d.%s%s"),
9645 (forwardMostMove / 2) + 1,
9646 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9647 DisplayError(move, 0);
9653 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9654 DrawPosition(FALSE, boards[currentMove]);
9655 DisplayBothClocks();
9656 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9657 DisplayComment(currentMove - 1, commentList[currentMove]);
9659 (void) StopLoadGameTimer();
9661 cmailOldMove = forwardMostMove;
9664 /* currentMoveString is set as a side-effect of yylex */
9665 strcat(currentMoveString, "\n");
9666 strcpy(moveList[forwardMostMove], currentMoveString);
9668 thinkOutput[0] = NULLCHAR;
9669 MakeMove(fromX, fromY, toX, toY, promoChar);
9670 currentMove = forwardMostMove;
9675 /* Load the nth game from the given file */
9677 LoadGameFromFile(filename, n, title, useList)
9681 /*Boolean*/ int useList;
9686 if (strcmp(filename, "-") == 0) {
9690 f = fopen(filename, "rb");
9692 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9693 DisplayError(buf, errno);
9697 if (fseek(f, 0, 0) == -1) {
9698 /* f is not seekable; probably a pipe */
9701 if (useList && n == 0) {
9702 int error = GameListBuild(f);
9704 DisplayError(_("Cannot build game list"), error);
9705 } else if (!ListEmpty(&gameList) &&
9706 ((ListGame *) gameList.tailPred)->number > 1) {
9707 GameListPopUp(f, title);
9714 return LoadGame(f, n, title, FALSE);
9719 MakeRegisteredMove()
9721 int fromX, fromY, toX, toY;
9723 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9724 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9727 if (appData.debugMode)
9728 fprintf(debugFP, "Restoring %s for game %d\n",
9729 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9731 thinkOutput[0] = NULLCHAR;
9732 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9733 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9734 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9735 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9736 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9737 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9738 MakeMove(fromX, fromY, toX, toY, promoChar);
9739 ShowMove(fromX, fromY, toX, toY);
9741 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9748 if (WhiteOnMove(currentMove)) {
9749 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9751 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9756 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9763 if (WhiteOnMove(currentMove)) {
9764 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9766 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9771 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9782 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9784 CmailLoadGame(f, gameNumber, title, useList)
9792 if (gameNumber > nCmailGames) {
9793 DisplayError(_("No more games in this message"), 0);
9796 if (f == lastLoadGameFP) {
9797 int offset = gameNumber - lastLoadGameNumber;
9799 cmailMsg[0] = NULLCHAR;
9800 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9801 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9802 nCmailMovesRegistered--;
9804 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9805 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9806 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9809 if (! RegisterMove()) return FALSE;
9813 retVal = LoadGame(f, gameNumber, title, useList);
9815 /* Make move registered during previous look at this game, if any */
9816 MakeRegisteredMove();
9818 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9819 commentList[currentMove]
9820 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9821 DisplayComment(currentMove - 1, commentList[currentMove]);
9827 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9832 int gameNumber = lastLoadGameNumber + offset;
9833 if (lastLoadGameFP == NULL) {
9834 DisplayError(_("No game has been loaded yet"), 0);
9837 if (gameNumber <= 0) {
9838 DisplayError(_("Can't back up any further"), 0);
9841 if (cmailMsgLoaded) {
9842 return CmailLoadGame(lastLoadGameFP, gameNumber,
9843 lastLoadGameTitle, lastLoadGameUseList);
9845 return LoadGame(lastLoadGameFP, gameNumber,
9846 lastLoadGameTitle, lastLoadGameUseList);
9852 /* Load the nth game from open file f */
9854 LoadGame(f, gameNumber, title, useList)
9862 int gn = gameNumber;
9863 ListGame *lg = NULL;
9866 GameMode oldGameMode;
9867 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9869 if (appData.debugMode)
9870 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9872 if (gameMode == Training )
9873 SetTrainingModeOff();
9875 oldGameMode = gameMode;
9876 if (gameMode != BeginningOfGame) {
9881 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9882 fclose(lastLoadGameFP);
9886 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9889 fseek(f, lg->offset, 0);
9890 GameListHighlight(gameNumber);
9894 DisplayError(_("Game number out of range"), 0);
9899 if (fseek(f, 0, 0) == -1) {
9900 if (f == lastLoadGameFP ?
9901 gameNumber == lastLoadGameNumber + 1 :
9905 DisplayError(_("Can't seek on game file"), 0);
9911 lastLoadGameNumber = gameNumber;
9912 strcpy(lastLoadGameTitle, title);
9913 lastLoadGameUseList = useList;
9917 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9918 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9919 lg->gameInfo.black);
9921 } else if (*title != NULLCHAR) {
9922 if (gameNumber > 1) {
9923 sprintf(buf, "%s %d", title, gameNumber);
9926 DisplayTitle(title);
9930 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9931 gameMode = PlayFromGameFile;
9935 currentMove = forwardMostMove = backwardMostMove = 0;
9936 CopyBoard(boards[0], initialPosition);
9940 * Skip the first gn-1 games in the file.
9941 * Also skip over anything that precedes an identifiable
9942 * start of game marker, to avoid being confused by
9943 * garbage at the start of the file. Currently
9944 * recognized start of game markers are the move number "1",
9945 * the pattern "gnuchess .* game", the pattern
9946 * "^[#;%] [^ ]* game file", and a PGN tag block.
9947 * A game that starts with one of the latter two patterns
9948 * will also have a move number 1, possibly
9949 * following a position diagram.
9950 * 5-4-02: Let's try being more lenient and allowing a game to
9951 * start with an unnumbered move. Does that break anything?
9953 cm = lastLoadGameStart = (ChessMove) 0;
9955 yyboardindex = forwardMostMove;
9956 cm = (ChessMove) yylex();
9959 if (cmailMsgLoaded) {
9960 nCmailGames = CMAIL_MAX_GAMES - gn;
9963 DisplayError(_("Game not found in file"), 0);
9970 lastLoadGameStart = cm;
9974 switch (lastLoadGameStart) {
9981 gn--; /* count this game */
9982 lastLoadGameStart = cm;
9991 switch (lastLoadGameStart) {
9996 gn--; /* count this game */
9997 lastLoadGameStart = cm;
10000 lastLoadGameStart = cm; /* game counted already */
10008 yyboardindex = forwardMostMove;
10009 cm = (ChessMove) yylex();
10010 } while (cm == PGNTag || cm == Comment);
10017 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10018 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10019 != CMAIL_OLD_RESULT) {
10021 cmailResult[ CMAIL_MAX_GAMES
10022 - gn - 1] = CMAIL_OLD_RESULT;
10028 /* Only a NormalMove can be at the start of a game
10029 * without a position diagram. */
10030 if (lastLoadGameStart == (ChessMove) 0) {
10032 lastLoadGameStart = MoveNumberOne;
10041 if (appData.debugMode)
10042 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10044 if (cm == XBoardGame) {
10045 /* Skip any header junk before position diagram and/or move 1 */
10047 yyboardindex = forwardMostMove;
10048 cm = (ChessMove) yylex();
10050 if (cm == (ChessMove) 0 ||
10051 cm == GNUChessGame || cm == XBoardGame) {
10052 /* Empty game; pretend end-of-file and handle later */
10053 cm = (ChessMove) 0;
10057 if (cm == MoveNumberOne || cm == PositionDiagram ||
10058 cm == PGNTag || cm == Comment)
10061 } else if (cm == GNUChessGame) {
10062 if (gameInfo.event != NULL) {
10063 free(gameInfo.event);
10065 gameInfo.event = StrSave(yy_text);
10068 startedFromSetupPosition = FALSE;
10069 while (cm == PGNTag) {
10070 if (appData.debugMode)
10071 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10072 err = ParsePGNTag(yy_text, &gameInfo);
10073 if (!err) numPGNTags++;
10075 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10076 if(gameInfo.variant != oldVariant) {
10077 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10078 InitPosition(TRUE);
10079 oldVariant = gameInfo.variant;
10080 if (appData.debugMode)
10081 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10085 if (gameInfo.fen != NULL) {
10086 Board initial_position;
10087 startedFromSetupPosition = TRUE;
10088 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10090 DisplayError(_("Bad FEN position in file"), 0);
10093 CopyBoard(boards[0], initial_position);
10094 if (blackPlaysFirst) {
10095 currentMove = forwardMostMove = backwardMostMove = 1;
10096 CopyBoard(boards[1], initial_position);
10097 strcpy(moveList[0], "");
10098 strcpy(parseList[0], "");
10099 timeRemaining[0][1] = whiteTimeRemaining;
10100 timeRemaining[1][1] = blackTimeRemaining;
10101 if (commentList[0] != NULL) {
10102 commentList[1] = commentList[0];
10103 commentList[0] = NULL;
10106 currentMove = forwardMostMove = backwardMostMove = 0;
10108 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10110 initialRulePlies = FENrulePlies;
10111 for( i=0; i< nrCastlingRights; i++ )
10112 initialRights[i] = initial_position[CASTLING][i];
10114 yyboardindex = forwardMostMove;
10115 free(gameInfo.fen);
10116 gameInfo.fen = NULL;
10119 yyboardindex = forwardMostMove;
10120 cm = (ChessMove) yylex();
10122 /* Handle comments interspersed among the tags */
10123 while (cm == Comment) {
10125 if (appData.debugMode)
10126 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10128 AppendComment(currentMove, p, FALSE);
10129 yyboardindex = forwardMostMove;
10130 cm = (ChessMove) yylex();
10134 /* don't rely on existence of Event tag since if game was
10135 * pasted from clipboard the Event tag may not exist
10137 if (numPGNTags > 0){
10139 if (gameInfo.variant == VariantNormal) {
10140 gameInfo.variant = StringToVariant(gameInfo.event);
10143 if( appData.autoDisplayTags ) {
10144 tags = PGNTags(&gameInfo);
10145 TagsPopUp(tags, CmailMsg());
10150 /* Make something up, but don't display it now */
10155 if (cm == PositionDiagram) {
10158 Board initial_position;
10160 if (appData.debugMode)
10161 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10163 if (!startedFromSetupPosition) {
10165 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10166 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10176 initial_position[i][j++] = CharToPiece(*p);
10179 while (*p == ' ' || *p == '\t' ||
10180 *p == '\n' || *p == '\r') p++;
10182 if (strncmp(p, "black", strlen("black"))==0)
10183 blackPlaysFirst = TRUE;
10185 blackPlaysFirst = FALSE;
10186 startedFromSetupPosition = TRUE;
10188 CopyBoard(boards[0], initial_position);
10189 if (blackPlaysFirst) {
10190 currentMove = forwardMostMove = backwardMostMove = 1;
10191 CopyBoard(boards[1], initial_position);
10192 strcpy(moveList[0], "");
10193 strcpy(parseList[0], "");
10194 timeRemaining[0][1] = whiteTimeRemaining;
10195 timeRemaining[1][1] = blackTimeRemaining;
10196 if (commentList[0] != NULL) {
10197 commentList[1] = commentList[0];
10198 commentList[0] = NULL;
10201 currentMove = forwardMostMove = backwardMostMove = 0;
10204 yyboardindex = forwardMostMove;
10205 cm = (ChessMove) yylex();
10208 if (first.pr == NoProc) {
10209 StartChessProgram(&first);
10211 InitChessProgram(&first, FALSE);
10212 SendToProgram("force\n", &first);
10213 if (startedFromSetupPosition) {
10214 SendBoard(&first, forwardMostMove);
10215 if (appData.debugMode) {
10216 fprintf(debugFP, "Load Game\n");
10218 DisplayBothClocks();
10221 /* [HGM] server: flag to write setup moves in broadcast file as one */
10222 loadFlag = appData.suppressLoadMoves;
10224 while (cm == Comment) {
10226 if (appData.debugMode)
10227 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10229 AppendComment(currentMove, p, FALSE);
10230 yyboardindex = forwardMostMove;
10231 cm = (ChessMove) yylex();
10234 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10235 cm == WhiteWins || cm == BlackWins ||
10236 cm == GameIsDrawn || cm == GameUnfinished) {
10237 DisplayMessage("", _("No moves in game"));
10238 if (cmailMsgLoaded) {
10239 if (appData.debugMode)
10240 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10244 DrawPosition(FALSE, boards[currentMove]);
10245 DisplayBothClocks();
10246 gameMode = EditGame;
10253 // [HGM] PV info: routine tests if comment empty
10254 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10255 DisplayComment(currentMove - 1, commentList[currentMove]);
10257 if (!matchMode && appData.timeDelay != 0)
10258 DrawPosition(FALSE, boards[currentMove]);
10260 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10261 programStats.ok_to_send = 1;
10264 /* if the first token after the PGN tags is a move
10265 * and not move number 1, retrieve it from the parser
10267 if (cm != MoveNumberOne)
10268 LoadGameOneMove(cm);
10270 /* load the remaining moves from the file */
10271 while (LoadGameOneMove((ChessMove)0)) {
10272 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10273 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10276 /* rewind to the start of the game */
10277 currentMove = backwardMostMove;
10279 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10281 if (oldGameMode == AnalyzeFile ||
10282 oldGameMode == AnalyzeMode) {
10283 AnalyzeFileEvent();
10286 if (matchMode || appData.timeDelay == 0) {
10288 gameMode = EditGame;
10290 } else if (appData.timeDelay > 0) {
10291 AutoPlayGameLoop();
10294 if (appData.debugMode)
10295 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10297 loadFlag = 0; /* [HGM] true game starts */
10301 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10303 ReloadPosition(offset)
10306 int positionNumber = lastLoadPositionNumber + offset;
10307 if (lastLoadPositionFP == NULL) {
10308 DisplayError(_("No position has been loaded yet"), 0);
10311 if (positionNumber <= 0) {
10312 DisplayError(_("Can't back up any further"), 0);
10315 return LoadPosition(lastLoadPositionFP, positionNumber,
10316 lastLoadPositionTitle);
10319 /* Load the nth position from the given file */
10321 LoadPositionFromFile(filename, n, title)
10329 if (strcmp(filename, "-") == 0) {
10330 return LoadPosition(stdin, n, "stdin");
10332 f = fopen(filename, "rb");
10334 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10335 DisplayError(buf, errno);
10338 return LoadPosition(f, n, title);
10343 /* Load the nth position from the given open file, and close it */
10345 LoadPosition(f, positionNumber, title)
10347 int positionNumber;
10350 char *p, line[MSG_SIZ];
10351 Board initial_position;
10352 int i, j, fenMode, pn;
10354 if (gameMode == Training )
10355 SetTrainingModeOff();
10357 if (gameMode != BeginningOfGame) {
10358 Reset(FALSE, TRUE);
10360 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10361 fclose(lastLoadPositionFP);
10363 if (positionNumber == 0) positionNumber = 1;
10364 lastLoadPositionFP = f;
10365 lastLoadPositionNumber = positionNumber;
10366 strcpy(lastLoadPositionTitle, title);
10367 if (first.pr == NoProc) {
10368 StartChessProgram(&first);
10369 InitChessProgram(&first, FALSE);
10371 pn = positionNumber;
10372 if (positionNumber < 0) {
10373 /* Negative position number means to seek to that byte offset */
10374 if (fseek(f, -positionNumber, 0) == -1) {
10375 DisplayError(_("Can't seek on position file"), 0);
10380 if (fseek(f, 0, 0) == -1) {
10381 if (f == lastLoadPositionFP ?
10382 positionNumber == lastLoadPositionNumber + 1 :
10383 positionNumber == 1) {
10386 DisplayError(_("Can't seek on position file"), 0);
10391 /* See if this file is FEN or old-style xboard */
10392 if (fgets(line, MSG_SIZ, f) == NULL) {
10393 DisplayError(_("Position not found in file"), 0);
10396 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10397 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10400 if (fenMode || line[0] == '#') pn--;
10402 /* skip positions before number pn */
10403 if (fgets(line, MSG_SIZ, f) == NULL) {
10405 DisplayError(_("Position not found in file"), 0);
10408 if (fenMode || line[0] == '#') pn--;
10413 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10414 DisplayError(_("Bad FEN position in file"), 0);
10418 (void) fgets(line, MSG_SIZ, f);
10419 (void) fgets(line, MSG_SIZ, f);
10421 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10422 (void) fgets(line, MSG_SIZ, f);
10423 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10426 initial_position[i][j++] = CharToPiece(*p);
10430 blackPlaysFirst = FALSE;
10432 (void) fgets(line, MSG_SIZ, f);
10433 if (strncmp(line, "black", strlen("black"))==0)
10434 blackPlaysFirst = TRUE;
10437 startedFromSetupPosition = TRUE;
10439 SendToProgram("force\n", &first);
10440 CopyBoard(boards[0], initial_position);
10441 if (blackPlaysFirst) {
10442 currentMove = forwardMostMove = backwardMostMove = 1;
10443 strcpy(moveList[0], "");
10444 strcpy(parseList[0], "");
10445 CopyBoard(boards[1], initial_position);
10446 DisplayMessage("", _("Black to play"));
10448 currentMove = forwardMostMove = backwardMostMove = 0;
10449 DisplayMessage("", _("White to play"));
10451 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10452 SendBoard(&first, forwardMostMove);
10453 if (appData.debugMode) {
10455 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10456 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10457 fprintf(debugFP, "Load Position\n");
10460 if (positionNumber > 1) {
10461 sprintf(line, "%s %d", title, positionNumber);
10462 DisplayTitle(line);
10464 DisplayTitle(title);
10466 gameMode = EditGame;
10469 timeRemaining[0][1] = whiteTimeRemaining;
10470 timeRemaining[1][1] = blackTimeRemaining;
10471 DrawPosition(FALSE, boards[currentMove]);
10478 CopyPlayerNameIntoFileName(dest, src)
10481 while (*src != NULLCHAR && *src != ',') {
10486 *(*dest)++ = *src++;
10491 char *DefaultFileName(ext)
10494 static char def[MSG_SIZ];
10497 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10499 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10501 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10510 /* Save the current game to the given file */
10512 SaveGameToFile(filename, append)
10519 if (strcmp(filename, "-") == 0) {
10520 return SaveGame(stdout, 0, NULL);
10522 f = fopen(filename, append ? "a" : "w");
10524 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10525 DisplayError(buf, errno);
10528 return SaveGame(f, 0, NULL);
10537 static char buf[MSG_SIZ];
10540 p = strchr(str, ' ');
10541 if (p == NULL) return str;
10542 strncpy(buf, str, p - str);
10543 buf[p - str] = NULLCHAR;
10547 #define PGN_MAX_LINE 75
10549 #define PGN_SIDE_WHITE 0
10550 #define PGN_SIDE_BLACK 1
10553 static int FindFirstMoveOutOfBook( int side )
10557 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10558 int index = backwardMostMove;
10559 int has_book_hit = 0;
10561 if( (index % 2) != side ) {
10565 while( index < forwardMostMove ) {
10566 /* Check to see if engine is in book */
10567 int depth = pvInfoList[index].depth;
10568 int score = pvInfoList[index].score;
10574 else if( score == 0 && depth == 63 ) {
10575 in_book = 1; /* Zappa */
10577 else if( score == 2 && depth == 99 ) {
10578 in_book = 1; /* Abrok */
10581 has_book_hit += in_book;
10597 void GetOutOfBookInfo( char * buf )
10601 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10603 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10604 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10608 if( oob[0] >= 0 || oob[1] >= 0 ) {
10609 for( i=0; i<2; i++ ) {
10613 if( i > 0 && oob[0] >= 0 ) {
10614 strcat( buf, " " );
10617 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10618 sprintf( buf+strlen(buf), "%s%.2f",
10619 pvInfoList[idx].score >= 0 ? "+" : "",
10620 pvInfoList[idx].score / 100.0 );
10626 /* Save game in PGN style and close the file */
10631 int i, offset, linelen, newblock;
10635 int movelen, numlen, blank;
10636 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10638 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10640 tm = time((time_t *) NULL);
10642 PrintPGNTags(f, &gameInfo);
10644 if (backwardMostMove > 0 || startedFromSetupPosition) {
10645 char *fen = PositionToFEN(backwardMostMove, NULL);
10646 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10647 fprintf(f, "\n{--------------\n");
10648 PrintPosition(f, backwardMostMove);
10649 fprintf(f, "--------------}\n");
10653 /* [AS] Out of book annotation */
10654 if( appData.saveOutOfBookInfo ) {
10657 GetOutOfBookInfo( buf );
10659 if( buf[0] != '\0' ) {
10660 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10667 i = backwardMostMove;
10671 while (i < forwardMostMove) {
10672 /* Print comments preceding this move */
10673 if (commentList[i] != NULL) {
10674 if (linelen > 0) fprintf(f, "\n");
10675 fprintf(f, "%s", commentList[i]);
10680 /* Format move number */
10681 if ((i % 2) == 0) {
10682 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10685 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10687 numtext[0] = NULLCHAR;
10690 numlen = strlen(numtext);
10693 /* Print move number */
10694 blank = linelen > 0 && numlen > 0;
10695 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10704 fprintf(f, "%s", numtext);
10708 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10709 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10712 blank = linelen > 0 && movelen > 0;
10713 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10722 fprintf(f, "%s", move_buffer);
10723 linelen += movelen;
10725 /* [AS] Add PV info if present */
10726 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10727 /* [HGM] add time */
10728 char buf[MSG_SIZ]; int seconds;
10730 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10732 if( seconds <= 0) buf[0] = 0; else
10733 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10734 seconds = (seconds + 4)/10; // round to full seconds
10735 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10736 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10739 sprintf( move_buffer, "{%s%.2f/%d%s}",
10740 pvInfoList[i].score >= 0 ? "+" : "",
10741 pvInfoList[i].score / 100.0,
10742 pvInfoList[i].depth,
10745 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10747 /* Print score/depth */
10748 blank = linelen > 0 && movelen > 0;
10749 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10758 fprintf(f, "%s", move_buffer);
10759 linelen += movelen;
10765 /* Start a new line */
10766 if (linelen > 0) fprintf(f, "\n");
10768 /* Print comments after last move */
10769 if (commentList[i] != NULL) {
10770 fprintf(f, "%s\n", commentList[i]);
10774 if (gameInfo.resultDetails != NULL &&
10775 gameInfo.resultDetails[0] != NULLCHAR) {
10776 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10777 PGNResult(gameInfo.result));
10779 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10783 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10787 /* Save game in old style and close the file */
10789 SaveGameOldStyle(f)
10795 tm = time((time_t *) NULL);
10797 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10800 if (backwardMostMove > 0 || startedFromSetupPosition) {
10801 fprintf(f, "\n[--------------\n");
10802 PrintPosition(f, backwardMostMove);
10803 fprintf(f, "--------------]\n");
10808 i = backwardMostMove;
10809 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10811 while (i < forwardMostMove) {
10812 if (commentList[i] != NULL) {
10813 fprintf(f, "[%s]\n", commentList[i]);
10816 if ((i % 2) == 1) {
10817 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10820 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10822 if (commentList[i] != NULL) {
10826 if (i >= forwardMostMove) {
10830 fprintf(f, "%s\n", parseList[i]);
10835 if (commentList[i] != NULL) {
10836 fprintf(f, "[%s]\n", commentList[i]);
10839 /* This isn't really the old style, but it's close enough */
10840 if (gameInfo.resultDetails != NULL &&
10841 gameInfo.resultDetails[0] != NULLCHAR) {
10842 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10843 gameInfo.resultDetails);
10845 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10852 /* Save the current game to open file f and close the file */
10854 SaveGame(f, dummy, dummy2)
10859 if (gameMode == EditPosition) EditPositionDone(TRUE);
10860 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10861 if (appData.oldSaveStyle)
10862 return SaveGameOldStyle(f);
10864 return SaveGamePGN(f);
10867 /* Save the current position to the given file */
10869 SavePositionToFile(filename)
10875 if (strcmp(filename, "-") == 0) {
10876 return SavePosition(stdout, 0, NULL);
10878 f = fopen(filename, "a");
10880 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10881 DisplayError(buf, errno);
10884 SavePosition(f, 0, NULL);
10890 /* Save the current position to the given open file and close the file */
10892 SavePosition(f, dummy, dummy2)
10900 if (gameMode == EditPosition) EditPositionDone(TRUE);
10901 if (appData.oldSaveStyle) {
10902 tm = time((time_t *) NULL);
10904 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10906 fprintf(f, "[--------------\n");
10907 PrintPosition(f, currentMove);
10908 fprintf(f, "--------------]\n");
10910 fen = PositionToFEN(currentMove, NULL);
10911 fprintf(f, "%s\n", fen);
10919 ReloadCmailMsgEvent(unregister)
10923 static char *inFilename = NULL;
10924 static char *outFilename;
10926 struct stat inbuf, outbuf;
10929 /* Any registered moves are unregistered if unregister is set, */
10930 /* i.e. invoked by the signal handler */
10932 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10933 cmailMoveRegistered[i] = FALSE;
10934 if (cmailCommentList[i] != NULL) {
10935 free(cmailCommentList[i]);
10936 cmailCommentList[i] = NULL;
10939 nCmailMovesRegistered = 0;
10942 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10943 cmailResult[i] = CMAIL_NOT_RESULT;
10947 if (inFilename == NULL) {
10948 /* Because the filenames are static they only get malloced once */
10949 /* and they never get freed */
10950 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10951 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10953 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10954 sprintf(outFilename, "%s.out", appData.cmailGameName);
10957 status = stat(outFilename, &outbuf);
10959 cmailMailedMove = FALSE;
10961 status = stat(inFilename, &inbuf);
10962 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10965 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10966 counts the games, notes how each one terminated, etc.
10968 It would be nice to remove this kludge and instead gather all
10969 the information while building the game list. (And to keep it
10970 in the game list nodes instead of having a bunch of fixed-size
10971 parallel arrays.) Note this will require getting each game's
10972 termination from the PGN tags, as the game list builder does
10973 not process the game moves. --mann
10975 cmailMsgLoaded = TRUE;
10976 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10978 /* Load first game in the file or popup game menu */
10979 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10981 #endif /* !WIN32 */
10989 char string[MSG_SIZ];
10991 if ( cmailMailedMove
10992 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10993 return TRUE; /* Allow free viewing */
10996 /* Unregister move to ensure that we don't leave RegisterMove */
10997 /* with the move registered when the conditions for registering no */
10999 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11000 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11001 nCmailMovesRegistered --;
11003 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11005 free(cmailCommentList[lastLoadGameNumber - 1]);
11006 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11010 if (cmailOldMove == -1) {
11011 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11015 if (currentMove > cmailOldMove + 1) {
11016 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11020 if (currentMove < cmailOldMove) {
11021 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11025 if (forwardMostMove > currentMove) {
11026 /* Silently truncate extra moves */
11030 if ( (currentMove == cmailOldMove + 1)
11031 || ( (currentMove == cmailOldMove)
11032 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11033 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11034 if (gameInfo.result != GameUnfinished) {
11035 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11038 if (commentList[currentMove] != NULL) {
11039 cmailCommentList[lastLoadGameNumber - 1]
11040 = StrSave(commentList[currentMove]);
11042 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11044 if (appData.debugMode)
11045 fprintf(debugFP, "Saving %s for game %d\n",
11046 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11049 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11051 f = fopen(string, "w");
11052 if (appData.oldSaveStyle) {
11053 SaveGameOldStyle(f); /* also closes the file */
11055 sprintf(string, "%s.pos.out", appData.cmailGameName);
11056 f = fopen(string, "w");
11057 SavePosition(f, 0, NULL); /* also closes the file */
11059 fprintf(f, "{--------------\n");
11060 PrintPosition(f, currentMove);
11061 fprintf(f, "--------------}\n\n");
11063 SaveGame(f, 0, NULL); /* also closes the file*/
11066 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11067 nCmailMovesRegistered ++;
11068 } else if (nCmailGames == 1) {
11069 DisplayError(_("You have not made a move yet"), 0);
11080 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11081 FILE *commandOutput;
11082 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11083 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11089 if (! cmailMsgLoaded) {
11090 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11094 if (nCmailGames == nCmailResults) {
11095 DisplayError(_("No unfinished games"), 0);
11099 #if CMAIL_PROHIBIT_REMAIL
11100 if (cmailMailedMove) {
11101 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);
11102 DisplayError(msg, 0);
11107 if (! (cmailMailedMove || RegisterMove())) return;
11109 if ( cmailMailedMove
11110 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11111 sprintf(string, partCommandString,
11112 appData.debugMode ? " -v" : "", appData.cmailGameName);
11113 commandOutput = popen(string, "r");
11115 if (commandOutput == NULL) {
11116 DisplayError(_("Failed to invoke cmail"), 0);
11118 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11119 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11121 if (nBuffers > 1) {
11122 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11123 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11124 nBytes = MSG_SIZ - 1;
11126 (void) memcpy(msg, buffer, nBytes);
11128 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11130 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11131 cmailMailedMove = TRUE; /* Prevent >1 moves */
11134 for (i = 0; i < nCmailGames; i ++) {
11135 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11140 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11142 sprintf(buffer, "%s/%s.%s.archive",
11144 appData.cmailGameName,
11146 LoadGameFromFile(buffer, 1, buffer, FALSE);
11147 cmailMsgLoaded = FALSE;
11151 DisplayInformation(msg);
11152 pclose(commandOutput);
11155 if ((*cmailMsg) != '\0') {
11156 DisplayInformation(cmailMsg);
11161 #endif /* !WIN32 */
11170 int prependComma = 0;
11172 char string[MSG_SIZ]; /* Space for game-list */
11175 if (!cmailMsgLoaded) return "";
11177 if (cmailMailedMove) {
11178 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11180 /* Create a list of games left */
11181 sprintf(string, "[");
11182 for (i = 0; i < nCmailGames; i ++) {
11183 if (! ( cmailMoveRegistered[i]
11184 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11185 if (prependComma) {
11186 sprintf(number, ",%d", i + 1);
11188 sprintf(number, "%d", i + 1);
11192 strcat(string, number);
11195 strcat(string, "]");
11197 if (nCmailMovesRegistered + nCmailResults == 0) {
11198 switch (nCmailGames) {
11201 _("Still need to make move for game\n"));
11206 _("Still need to make moves for both games\n"));
11211 _("Still need to make moves for all %d games\n"),
11216 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11219 _("Still need to make a move for game %s\n"),
11224 if (nCmailResults == nCmailGames) {
11225 sprintf(cmailMsg, _("No unfinished games\n"));
11227 sprintf(cmailMsg, _("Ready to send mail\n"));
11233 _("Still need to make moves for games %s\n"),
11245 if (gameMode == Training)
11246 SetTrainingModeOff();
11249 cmailMsgLoaded = FALSE;
11250 if (appData.icsActive) {
11251 SendToICS(ics_prefix);
11252 SendToICS("refresh\n");
11262 /* Give up on clean exit */
11266 /* Keep trying for clean exit */
11270 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11272 if (telnetISR != NULL) {
11273 RemoveInputSource(telnetISR);
11275 if (icsPR != NoProc) {
11276 DestroyChildProcess(icsPR, TRUE);
11279 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11280 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11282 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11283 /* make sure this other one finishes before killing it! */
11284 if(endingGame) { int count = 0;
11285 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11286 while(endingGame && count++ < 10) DoSleep(1);
11287 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11290 /* Kill off chess programs */
11291 if (first.pr != NoProc) {
11294 DoSleep( appData.delayBeforeQuit );
11295 SendToProgram("quit\n", &first);
11296 DoSleep( appData.delayAfterQuit );
11297 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11299 if (second.pr != NoProc) {
11300 DoSleep( appData.delayBeforeQuit );
11301 SendToProgram("quit\n", &second);
11302 DoSleep( appData.delayAfterQuit );
11303 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11305 if (first.isr != NULL) {
11306 RemoveInputSource(first.isr);
11308 if (second.isr != NULL) {
11309 RemoveInputSource(second.isr);
11312 ShutDownFrontEnd();
11319 if (appData.debugMode)
11320 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11324 if (gameMode == MachinePlaysWhite ||
11325 gameMode == MachinePlaysBlack) {
11328 DisplayBothClocks();
11330 if (gameMode == PlayFromGameFile) {
11331 if (appData.timeDelay >= 0)
11332 AutoPlayGameLoop();
11333 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11334 Reset(FALSE, TRUE);
11335 SendToICS(ics_prefix);
11336 SendToICS("refresh\n");
11337 } else if (currentMove < forwardMostMove) {
11338 ForwardInner(forwardMostMove);
11340 pauseExamInvalid = FALSE;
11342 switch (gameMode) {
11346 pauseExamForwardMostMove = forwardMostMove;
11347 pauseExamInvalid = FALSE;
11350 case IcsPlayingWhite:
11351 case IcsPlayingBlack:
11355 case PlayFromGameFile:
11356 (void) StopLoadGameTimer();
11360 case BeginningOfGame:
11361 if (appData.icsActive) return;
11362 /* else fall through */
11363 case MachinePlaysWhite:
11364 case MachinePlaysBlack:
11365 case TwoMachinesPlay:
11366 if (forwardMostMove == 0)
11367 return; /* don't pause if no one has moved */
11368 if ((gameMode == MachinePlaysWhite &&
11369 !WhiteOnMove(forwardMostMove)) ||
11370 (gameMode == MachinePlaysBlack &&
11371 WhiteOnMove(forwardMostMove))) {
11384 char title[MSG_SIZ];
11386 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11387 strcpy(title, _("Edit comment"));
11389 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11390 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11391 parseList[currentMove - 1]);
11394 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11401 char *tags = PGNTags(&gameInfo);
11402 EditTagsPopUp(tags);
11409 if (appData.noChessProgram || gameMode == AnalyzeMode)
11412 if (gameMode != AnalyzeFile) {
11413 if (!appData.icsEngineAnalyze) {
11415 if (gameMode != EditGame) return;
11417 ResurrectChessProgram();
11418 SendToProgram("analyze\n", &first);
11419 first.analyzing = TRUE;
11420 /*first.maybeThinking = TRUE;*/
11421 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11422 EngineOutputPopUp();
11424 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11429 StartAnalysisClock();
11430 GetTimeMark(&lastNodeCountTime);
11437 if (appData.noChessProgram || gameMode == AnalyzeFile)
11440 if (gameMode != AnalyzeMode) {
11442 if (gameMode != EditGame) return;
11443 ResurrectChessProgram();
11444 SendToProgram("analyze\n", &first);
11445 first.analyzing = TRUE;
11446 /*first.maybeThinking = TRUE;*/
11447 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11448 EngineOutputPopUp();
11450 gameMode = AnalyzeFile;
11455 StartAnalysisClock();
11456 GetTimeMark(&lastNodeCountTime);
11461 MachineWhiteEvent()
11464 char *bookHit = NULL;
11466 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11470 if (gameMode == PlayFromGameFile ||
11471 gameMode == TwoMachinesPlay ||
11472 gameMode == Training ||
11473 gameMode == AnalyzeMode ||
11474 gameMode == EndOfGame)
11477 if (gameMode == EditPosition)
11478 EditPositionDone(TRUE);
11480 if (!WhiteOnMove(currentMove)) {
11481 DisplayError(_("It is not White's turn"), 0);
11485 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11488 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11489 gameMode == AnalyzeFile)
11492 ResurrectChessProgram(); /* in case it isn't running */
11493 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11494 gameMode = MachinePlaysWhite;
11497 gameMode = MachinePlaysWhite;
11501 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11503 if (first.sendName) {
11504 sprintf(buf, "name %s\n", gameInfo.black);
11505 SendToProgram(buf, &first);
11507 if (first.sendTime) {
11508 if (first.useColors) {
11509 SendToProgram("black\n", &first); /*gnu kludge*/
11511 SendTimeRemaining(&first, TRUE);
11513 if (first.useColors) {
11514 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11516 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11517 SetMachineThinkingEnables();
11518 first.maybeThinking = TRUE;
11522 if (appData.autoFlipView && !flipView) {
11523 flipView = !flipView;
11524 DrawPosition(FALSE, NULL);
11525 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11528 if(bookHit) { // [HGM] book: simulate book reply
11529 static char bookMove[MSG_SIZ]; // a bit generous?
11531 programStats.nodes = programStats.depth = programStats.time =
11532 programStats.score = programStats.got_only_move = 0;
11533 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11535 strcpy(bookMove, "move ");
11536 strcat(bookMove, bookHit);
11537 HandleMachineMove(bookMove, &first);
11542 MachineBlackEvent()
11545 char *bookHit = NULL;
11547 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11551 if (gameMode == PlayFromGameFile ||
11552 gameMode == TwoMachinesPlay ||
11553 gameMode == Training ||
11554 gameMode == AnalyzeMode ||
11555 gameMode == EndOfGame)
11558 if (gameMode == EditPosition)
11559 EditPositionDone(TRUE);
11561 if (WhiteOnMove(currentMove)) {
11562 DisplayError(_("It is not Black's turn"), 0);
11566 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11569 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11570 gameMode == AnalyzeFile)
11573 ResurrectChessProgram(); /* in case it isn't running */
11574 gameMode = MachinePlaysBlack;
11578 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11580 if (first.sendName) {
11581 sprintf(buf, "name %s\n", gameInfo.white);
11582 SendToProgram(buf, &first);
11584 if (first.sendTime) {
11585 if (first.useColors) {
11586 SendToProgram("white\n", &first); /*gnu kludge*/
11588 SendTimeRemaining(&first, FALSE);
11590 if (first.useColors) {
11591 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11593 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11594 SetMachineThinkingEnables();
11595 first.maybeThinking = TRUE;
11598 if (appData.autoFlipView && flipView) {
11599 flipView = !flipView;
11600 DrawPosition(FALSE, NULL);
11601 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11603 if(bookHit) { // [HGM] book: simulate book reply
11604 static char bookMove[MSG_SIZ]; // a bit generous?
11606 programStats.nodes = programStats.depth = programStats.time =
11607 programStats.score = programStats.got_only_move = 0;
11608 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11610 strcpy(bookMove, "move ");
11611 strcat(bookMove, bookHit);
11612 HandleMachineMove(bookMove, &first);
11618 DisplayTwoMachinesTitle()
11621 if (appData.matchGames > 0) {
11622 if (first.twoMachinesColor[0] == 'w') {
11623 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11624 gameInfo.white, gameInfo.black,
11625 first.matchWins, second.matchWins,
11626 matchGame - 1 - (first.matchWins + second.matchWins));
11628 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11629 gameInfo.white, gameInfo.black,
11630 second.matchWins, first.matchWins,
11631 matchGame - 1 - (first.matchWins + second.matchWins));
11634 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11640 TwoMachinesEvent P((void))
11644 ChessProgramState *onmove;
11645 char *bookHit = NULL;
11647 if (appData.noChessProgram) return;
11649 switch (gameMode) {
11650 case TwoMachinesPlay:
11652 case MachinePlaysWhite:
11653 case MachinePlaysBlack:
11654 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11655 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11659 case BeginningOfGame:
11660 case PlayFromGameFile:
11663 if (gameMode != EditGame) return;
11666 EditPositionDone(TRUE);
11677 // forwardMostMove = currentMove;
11678 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11679 ResurrectChessProgram(); /* in case first program isn't running */
11681 if (second.pr == NULL) {
11682 StartChessProgram(&second);
11683 if (second.protocolVersion == 1) {
11684 TwoMachinesEventIfReady();
11686 /* kludge: allow timeout for initial "feature" command */
11688 DisplayMessage("", _("Starting second chess program"));
11689 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11693 DisplayMessage("", "");
11694 InitChessProgram(&second, FALSE);
11695 SendToProgram("force\n", &second);
11696 if (startedFromSetupPosition) {
11697 SendBoard(&second, backwardMostMove);
11698 if (appData.debugMode) {
11699 fprintf(debugFP, "Two Machines\n");
11702 for (i = backwardMostMove; i < forwardMostMove; i++) {
11703 SendMoveToProgram(i, &second);
11706 gameMode = TwoMachinesPlay;
11710 DisplayTwoMachinesTitle();
11712 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11718 SendToProgram(first.computerString, &first);
11719 if (first.sendName) {
11720 sprintf(buf, "name %s\n", second.tidy);
11721 SendToProgram(buf, &first);
11723 SendToProgram(second.computerString, &second);
11724 if (second.sendName) {
11725 sprintf(buf, "name %s\n", first.tidy);
11726 SendToProgram(buf, &second);
11730 if (!first.sendTime || !second.sendTime) {
11731 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11732 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11734 if (onmove->sendTime) {
11735 if (onmove->useColors) {
11736 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11738 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11740 if (onmove->useColors) {
11741 SendToProgram(onmove->twoMachinesColor, onmove);
11743 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11744 // SendToProgram("go\n", onmove);
11745 onmove->maybeThinking = TRUE;
11746 SetMachineThinkingEnables();
11750 if(bookHit) { // [HGM] book: simulate book reply
11751 static char bookMove[MSG_SIZ]; // a bit generous?
11753 programStats.nodes = programStats.depth = programStats.time =
11754 programStats.score = programStats.got_only_move = 0;
11755 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11757 strcpy(bookMove, "move ");
11758 strcat(bookMove, bookHit);
11759 savedMessage = bookMove; // args for deferred call
11760 savedState = onmove;
11761 ScheduleDelayedEvent(DeferredBookMove, 1);
11768 if (gameMode == Training) {
11769 SetTrainingModeOff();
11770 gameMode = PlayFromGameFile;
11771 DisplayMessage("", _("Training mode off"));
11773 gameMode = Training;
11774 animateTraining = appData.animate;
11776 /* make sure we are not already at the end of the game */
11777 if (currentMove < forwardMostMove) {
11778 SetTrainingModeOn();
11779 DisplayMessage("", _("Training mode on"));
11781 gameMode = PlayFromGameFile;
11782 DisplayError(_("Already at end of game"), 0);
11791 if (!appData.icsActive) return;
11792 switch (gameMode) {
11793 case IcsPlayingWhite:
11794 case IcsPlayingBlack:
11797 case BeginningOfGame:
11805 EditPositionDone(TRUE);
11818 gameMode = IcsIdle;
11829 switch (gameMode) {
11831 SetTrainingModeOff();
11833 case MachinePlaysWhite:
11834 case MachinePlaysBlack:
11835 case BeginningOfGame:
11836 SendToProgram("force\n", &first);
11837 SetUserThinkingEnables();
11839 case PlayFromGameFile:
11840 (void) StopLoadGameTimer();
11841 if (gameFileFP != NULL) {
11846 EditPositionDone(TRUE);
11851 SendToProgram("force\n", &first);
11853 case TwoMachinesPlay:
11854 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11855 ResurrectChessProgram();
11856 SetUserThinkingEnables();
11859 ResurrectChessProgram();
11861 case IcsPlayingBlack:
11862 case IcsPlayingWhite:
11863 DisplayError(_("Warning: You are still playing a game"), 0);
11866 DisplayError(_("Warning: You are still observing a game"), 0);
11869 DisplayError(_("Warning: You are still examining a game"), 0);
11880 first.offeredDraw = second.offeredDraw = 0;
11882 if (gameMode == PlayFromGameFile) {
11883 whiteTimeRemaining = timeRemaining[0][currentMove];
11884 blackTimeRemaining = timeRemaining[1][currentMove];
11888 if (gameMode == MachinePlaysWhite ||
11889 gameMode == MachinePlaysBlack ||
11890 gameMode == TwoMachinesPlay ||
11891 gameMode == EndOfGame) {
11892 i = forwardMostMove;
11893 while (i > currentMove) {
11894 SendToProgram("undo\n", &first);
11897 whiteTimeRemaining = timeRemaining[0][currentMove];
11898 blackTimeRemaining = timeRemaining[1][currentMove];
11899 DisplayBothClocks();
11900 if (whiteFlag || blackFlag) {
11901 whiteFlag = blackFlag = 0;
11906 gameMode = EditGame;
11913 EditPositionEvent()
11915 if (gameMode == EditPosition) {
11921 if (gameMode != EditGame) return;
11923 gameMode = EditPosition;
11926 if (currentMove > 0)
11927 CopyBoard(boards[0], boards[currentMove]);
11929 blackPlaysFirst = !WhiteOnMove(currentMove);
11931 currentMove = forwardMostMove = backwardMostMove = 0;
11932 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11939 /* [DM] icsEngineAnalyze - possible call from other functions */
11940 if (appData.icsEngineAnalyze) {
11941 appData.icsEngineAnalyze = FALSE;
11943 DisplayMessage("",_("Close ICS engine analyze..."));
11945 if (first.analysisSupport && first.analyzing) {
11946 SendToProgram("exit\n", &first);
11947 first.analyzing = FALSE;
11949 thinkOutput[0] = NULLCHAR;
11953 EditPositionDone(Boolean fakeRights)
11955 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11957 startedFromSetupPosition = TRUE;
11958 InitChessProgram(&first, FALSE);
11959 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11960 boards[0][EP_STATUS] = EP_NONE;
11961 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11962 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11963 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11964 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11965 } else boards[0][CASTLING][2] = NoRights;
11966 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11967 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11968 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11969 } else boards[0][CASTLING][5] = NoRights;
11971 SendToProgram("force\n", &first);
11972 if (blackPlaysFirst) {
11973 strcpy(moveList[0], "");
11974 strcpy(parseList[0], "");
11975 currentMove = forwardMostMove = backwardMostMove = 1;
11976 CopyBoard(boards[1], boards[0]);
11978 currentMove = forwardMostMove = backwardMostMove = 0;
11980 SendBoard(&first, forwardMostMove);
11981 if (appData.debugMode) {
11982 fprintf(debugFP, "EditPosDone\n");
11985 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11986 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11987 gameMode = EditGame;
11989 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11990 ClearHighlights(); /* [AS] */
11993 /* Pause for `ms' milliseconds */
11994 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12004 } while (SubtractTimeMarks(&m2, &m1) < ms);
12007 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12009 SendMultiLineToICS(buf)
12012 char temp[MSG_SIZ+1], *p;
12019 strncpy(temp, buf, len);
12024 if (*p == '\n' || *p == '\r')
12029 strcat(temp, "\n");
12031 SendToPlayer(temp, strlen(temp));
12035 SetWhiteToPlayEvent()
12037 if (gameMode == EditPosition) {
12038 blackPlaysFirst = FALSE;
12039 DisplayBothClocks(); /* works because currentMove is 0 */
12040 } else if (gameMode == IcsExamining) {
12041 SendToICS(ics_prefix);
12042 SendToICS("tomove white\n");
12047 SetBlackToPlayEvent()
12049 if (gameMode == EditPosition) {
12050 blackPlaysFirst = TRUE;
12051 currentMove = 1; /* kludge */
12052 DisplayBothClocks();
12054 } else if (gameMode == IcsExamining) {
12055 SendToICS(ics_prefix);
12056 SendToICS("tomove black\n");
12061 EditPositionMenuEvent(selection, x, y)
12062 ChessSquare selection;
12066 ChessSquare piece = boards[0][y][x];
12068 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12070 switch (selection) {
12072 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12073 SendToICS(ics_prefix);
12074 SendToICS("bsetup clear\n");
12075 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12076 SendToICS(ics_prefix);
12077 SendToICS("clearboard\n");
12079 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12080 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12081 for (y = 0; y < BOARD_HEIGHT; y++) {
12082 if (gameMode == IcsExamining) {
12083 if (boards[currentMove][y][x] != EmptySquare) {
12084 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12089 boards[0][y][x] = p;
12094 if (gameMode == EditPosition) {
12095 DrawPosition(FALSE, boards[0]);
12100 SetWhiteToPlayEvent();
12104 SetBlackToPlayEvent();
12108 if (gameMode == IcsExamining) {
12109 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12110 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12113 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12114 if(x == BOARD_LEFT-2) {
12115 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12116 boards[0][y][1] = 0;
12118 if(x == BOARD_RGHT+1) {
12119 if(y >= gameInfo.holdingsSize) break;
12120 boards[0][y][BOARD_WIDTH-2] = 0;
12123 boards[0][y][x] = EmptySquare;
12124 DrawPosition(FALSE, boards[0]);
12129 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12130 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12131 selection = (ChessSquare) (PROMOTED piece);
12132 } else if(piece == EmptySquare) selection = WhiteSilver;
12133 else selection = (ChessSquare)((int)piece - 1);
12137 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12138 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12139 selection = (ChessSquare) (DEMOTED piece);
12140 } else if(piece == EmptySquare) selection = BlackSilver;
12141 else selection = (ChessSquare)((int)piece + 1);
12146 if(gameInfo.variant == VariantShatranj ||
12147 gameInfo.variant == VariantXiangqi ||
12148 gameInfo.variant == VariantCourier ||
12149 gameInfo.variant == VariantMakruk )
12150 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12155 if(gameInfo.variant == VariantXiangqi)
12156 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12157 if(gameInfo.variant == VariantKnightmate)
12158 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12161 if (gameMode == IcsExamining) {
12162 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12163 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12164 PieceToChar(selection), AAA + x, ONE + y);
12167 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12169 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12170 n = PieceToNumber(selection - BlackPawn);
12171 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12172 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12173 boards[0][BOARD_HEIGHT-1-n][1]++;
12175 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12176 n = PieceToNumber(selection);
12177 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12178 boards[0][n][BOARD_WIDTH-1] = selection;
12179 boards[0][n][BOARD_WIDTH-2]++;
12182 boards[0][y][x] = selection;
12183 DrawPosition(TRUE, boards[0]);
12191 DropMenuEvent(selection, x, y)
12192 ChessSquare selection;
12195 ChessMove moveType;
12197 switch (gameMode) {
12198 case IcsPlayingWhite:
12199 case MachinePlaysBlack:
12200 if (!WhiteOnMove(currentMove)) {
12201 DisplayMoveError(_("It is Black's turn"));
12204 moveType = WhiteDrop;
12206 case IcsPlayingBlack:
12207 case MachinePlaysWhite:
12208 if (WhiteOnMove(currentMove)) {
12209 DisplayMoveError(_("It is White's turn"));
12212 moveType = BlackDrop;
12215 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12221 if (moveType == BlackDrop && selection < BlackPawn) {
12222 selection = (ChessSquare) ((int) selection
12223 + (int) BlackPawn - (int) WhitePawn);
12225 if (boards[currentMove][y][x] != EmptySquare) {
12226 DisplayMoveError(_("That square is occupied"));
12230 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12236 /* Accept a pending offer of any kind from opponent */
12238 if (appData.icsActive) {
12239 SendToICS(ics_prefix);
12240 SendToICS("accept\n");
12241 } else if (cmailMsgLoaded) {
12242 if (currentMove == cmailOldMove &&
12243 commentList[cmailOldMove] != NULL &&
12244 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12245 "Black offers a draw" : "White offers a draw")) {
12247 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12248 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12250 DisplayError(_("There is no pending offer on this move"), 0);
12251 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12254 /* Not used for offers from chess program */
12261 /* Decline a pending offer of any kind from opponent */
12263 if (appData.icsActive) {
12264 SendToICS(ics_prefix);
12265 SendToICS("decline\n");
12266 } else if (cmailMsgLoaded) {
12267 if (currentMove == cmailOldMove &&
12268 commentList[cmailOldMove] != NULL &&
12269 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12270 "Black offers a draw" : "White offers a draw")) {
12272 AppendComment(cmailOldMove, "Draw declined", TRUE);
12273 DisplayComment(cmailOldMove - 1, "Draw declined");
12276 DisplayError(_("There is no pending offer on this move"), 0);
12279 /* Not used for offers from chess program */
12286 /* Issue ICS rematch command */
12287 if (appData.icsActive) {
12288 SendToICS(ics_prefix);
12289 SendToICS("rematch\n");
12296 /* Call your opponent's flag (claim a win on time) */
12297 if (appData.icsActive) {
12298 SendToICS(ics_prefix);
12299 SendToICS("flag\n");
12301 switch (gameMode) {
12304 case MachinePlaysWhite:
12307 GameEnds(GameIsDrawn, "Both players ran out of time",
12310 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12312 DisplayError(_("Your opponent is not out of time"), 0);
12315 case MachinePlaysBlack:
12318 GameEnds(GameIsDrawn, "Both players ran out of time",
12321 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12323 DisplayError(_("Your opponent is not out of time"), 0);
12333 /* Offer draw or accept pending draw offer from opponent */
12335 if (appData.icsActive) {
12336 /* Note: tournament rules require draw offers to be
12337 made after you make your move but before you punch
12338 your clock. Currently ICS doesn't let you do that;
12339 instead, you immediately punch your clock after making
12340 a move, but you can offer a draw at any time. */
12342 SendToICS(ics_prefix);
12343 SendToICS("draw\n");
12344 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12345 } else if (cmailMsgLoaded) {
12346 if (currentMove == cmailOldMove &&
12347 commentList[cmailOldMove] != NULL &&
12348 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12349 "Black offers a draw" : "White offers a draw")) {
12350 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12351 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12352 } else if (currentMove == cmailOldMove + 1) {
12353 char *offer = WhiteOnMove(cmailOldMove) ?
12354 "White offers a draw" : "Black offers a draw";
12355 AppendComment(currentMove, offer, TRUE);
12356 DisplayComment(currentMove - 1, offer);
12357 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12359 DisplayError(_("You must make your move before offering a draw"), 0);
12360 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12362 } else if (first.offeredDraw) {
12363 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12365 if (first.sendDrawOffers) {
12366 SendToProgram("draw\n", &first);
12367 userOfferedDraw = TRUE;
12375 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12377 if (appData.icsActive) {
12378 SendToICS(ics_prefix);
12379 SendToICS("adjourn\n");
12381 /* Currently GNU Chess doesn't offer or accept Adjourns */
12389 /* Offer Abort or accept pending Abort offer from opponent */
12391 if (appData.icsActive) {
12392 SendToICS(ics_prefix);
12393 SendToICS("abort\n");
12395 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12402 /* Resign. You can do this even if it's not your turn. */
12404 if (appData.icsActive) {
12405 SendToICS(ics_prefix);
12406 SendToICS("resign\n");
12408 switch (gameMode) {
12409 case MachinePlaysWhite:
12410 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12412 case MachinePlaysBlack:
12413 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12416 if (cmailMsgLoaded) {
12418 if (WhiteOnMove(cmailOldMove)) {
12419 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12421 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12423 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12434 StopObservingEvent()
12436 /* Stop observing current games */
12437 SendToICS(ics_prefix);
12438 SendToICS("unobserve\n");
12442 StopExaminingEvent()
12444 /* Stop observing current game */
12445 SendToICS(ics_prefix);
12446 SendToICS("unexamine\n");
12450 ForwardInner(target)
12455 if (appData.debugMode)
12456 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12457 target, currentMove, forwardMostMove);
12459 if (gameMode == EditPosition)
12462 if (gameMode == PlayFromGameFile && !pausing)
12465 if (gameMode == IcsExamining && pausing)
12466 limit = pauseExamForwardMostMove;
12468 limit = forwardMostMove;
12470 if (target > limit) target = limit;
12472 if (target > 0 && moveList[target - 1][0]) {
12473 int fromX, fromY, toX, toY;
12474 toX = moveList[target - 1][2] - AAA;
12475 toY = moveList[target - 1][3] - ONE;
12476 if (moveList[target - 1][1] == '@') {
12477 if (appData.highlightLastMove) {
12478 SetHighlights(-1, -1, toX, toY);
12481 fromX = moveList[target - 1][0] - AAA;
12482 fromY = moveList[target - 1][1] - ONE;
12483 if (target == currentMove + 1) {
12484 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12486 if (appData.highlightLastMove) {
12487 SetHighlights(fromX, fromY, toX, toY);
12491 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12492 gameMode == Training || gameMode == PlayFromGameFile ||
12493 gameMode == AnalyzeFile) {
12494 while (currentMove < target) {
12495 SendMoveToProgram(currentMove++, &first);
12498 currentMove = target;
12501 if (gameMode == EditGame || gameMode == EndOfGame) {
12502 whiteTimeRemaining = timeRemaining[0][currentMove];
12503 blackTimeRemaining = timeRemaining[1][currentMove];
12505 DisplayBothClocks();
12506 DisplayMove(currentMove - 1);
12507 DrawPosition(FALSE, boards[currentMove]);
12508 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12509 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12510 DisplayComment(currentMove - 1, commentList[currentMove]);
12518 if (gameMode == IcsExamining && !pausing) {
12519 SendToICS(ics_prefix);
12520 SendToICS("forward\n");
12522 ForwardInner(currentMove + 1);
12529 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12530 /* to optimze, we temporarily turn off analysis mode while we feed
12531 * the remaining moves to the engine. Otherwise we get analysis output
12534 if (first.analysisSupport) {
12535 SendToProgram("exit\nforce\n", &first);
12536 first.analyzing = FALSE;
12540 if (gameMode == IcsExamining && !pausing) {
12541 SendToICS(ics_prefix);
12542 SendToICS("forward 999999\n");
12544 ForwardInner(forwardMostMove);
12547 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12548 /* we have fed all the moves, so reactivate analysis mode */
12549 SendToProgram("analyze\n", &first);
12550 first.analyzing = TRUE;
12551 /*first.maybeThinking = TRUE;*/
12552 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12557 BackwardInner(target)
12560 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12562 if (appData.debugMode)
12563 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12564 target, currentMove, forwardMostMove);
12566 if (gameMode == EditPosition) return;
12567 if (currentMove <= backwardMostMove) {
12569 DrawPosition(full_redraw, boards[currentMove]);
12572 if (gameMode == PlayFromGameFile && !pausing)
12575 if (moveList[target][0]) {
12576 int fromX, fromY, toX, toY;
12577 toX = moveList[target][2] - AAA;
12578 toY = moveList[target][3] - ONE;
12579 if (moveList[target][1] == '@') {
12580 if (appData.highlightLastMove) {
12581 SetHighlights(-1, -1, toX, toY);
12584 fromX = moveList[target][0] - AAA;
12585 fromY = moveList[target][1] - ONE;
12586 if (target == currentMove - 1) {
12587 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12589 if (appData.highlightLastMove) {
12590 SetHighlights(fromX, fromY, toX, toY);
12594 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12595 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12596 while (currentMove > target) {
12597 SendToProgram("undo\n", &first);
12601 currentMove = target;
12604 if (gameMode == EditGame || gameMode == EndOfGame) {
12605 whiteTimeRemaining = timeRemaining[0][currentMove];
12606 blackTimeRemaining = timeRemaining[1][currentMove];
12608 DisplayBothClocks();
12609 DisplayMove(currentMove - 1);
12610 DrawPosition(full_redraw, boards[currentMove]);
12611 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12612 // [HGM] PV info: routine tests if comment empty
12613 DisplayComment(currentMove - 1, commentList[currentMove]);
12619 if (gameMode == IcsExamining && !pausing) {
12620 SendToICS(ics_prefix);
12621 SendToICS("backward\n");
12623 BackwardInner(currentMove - 1);
12630 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12631 /* to optimize, we temporarily turn off analysis mode while we undo
12632 * all the moves. Otherwise we get analysis output after each undo.
12634 if (first.analysisSupport) {
12635 SendToProgram("exit\nforce\n", &first);
12636 first.analyzing = FALSE;
12640 if (gameMode == IcsExamining && !pausing) {
12641 SendToICS(ics_prefix);
12642 SendToICS("backward 999999\n");
12644 BackwardInner(backwardMostMove);
12647 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12648 /* we have fed all the moves, so reactivate analysis mode */
12649 SendToProgram("analyze\n", &first);
12650 first.analyzing = TRUE;
12651 /*first.maybeThinking = TRUE;*/
12652 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12659 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12660 if (to >= forwardMostMove) to = forwardMostMove;
12661 if (to <= backwardMostMove) to = backwardMostMove;
12662 if (to < currentMove) {
12672 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12675 if (gameMode != IcsExamining) {
12676 DisplayError(_("You are not examining a game"), 0);
12680 DisplayError(_("You can't revert while pausing"), 0);
12683 SendToICS(ics_prefix);
12684 SendToICS("revert\n");
12690 switch (gameMode) {
12691 case MachinePlaysWhite:
12692 case MachinePlaysBlack:
12693 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12694 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12697 if (forwardMostMove < 2) return;
12698 currentMove = forwardMostMove = forwardMostMove - 2;
12699 whiteTimeRemaining = timeRemaining[0][currentMove];
12700 blackTimeRemaining = timeRemaining[1][currentMove];
12701 DisplayBothClocks();
12702 DisplayMove(currentMove - 1);
12703 ClearHighlights();/*!! could figure this out*/
12704 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12705 SendToProgram("remove\n", &first);
12706 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12709 case BeginningOfGame:
12713 case IcsPlayingWhite:
12714 case IcsPlayingBlack:
12715 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12716 SendToICS(ics_prefix);
12717 SendToICS("takeback 2\n");
12719 SendToICS(ics_prefix);
12720 SendToICS("takeback 1\n");
12729 ChessProgramState *cps;
12731 switch (gameMode) {
12732 case MachinePlaysWhite:
12733 if (!WhiteOnMove(forwardMostMove)) {
12734 DisplayError(_("It is your turn"), 0);
12739 case MachinePlaysBlack:
12740 if (WhiteOnMove(forwardMostMove)) {
12741 DisplayError(_("It is your turn"), 0);
12746 case TwoMachinesPlay:
12747 if (WhiteOnMove(forwardMostMove) ==
12748 (first.twoMachinesColor[0] == 'w')) {
12754 case BeginningOfGame:
12758 SendToProgram("?\n", cps);
12762 TruncateGameEvent()
12765 if (gameMode != EditGame) return;
12772 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12773 if (forwardMostMove > currentMove) {
12774 if (gameInfo.resultDetails != NULL) {
12775 free(gameInfo.resultDetails);
12776 gameInfo.resultDetails = NULL;
12777 gameInfo.result = GameUnfinished;
12779 forwardMostMove = currentMove;
12780 HistorySet(parseList, backwardMostMove, forwardMostMove,
12788 if (appData.noChessProgram) return;
12789 switch (gameMode) {
12790 case MachinePlaysWhite:
12791 if (WhiteOnMove(forwardMostMove)) {
12792 DisplayError(_("Wait until your turn"), 0);
12796 case BeginningOfGame:
12797 case MachinePlaysBlack:
12798 if (!WhiteOnMove(forwardMostMove)) {
12799 DisplayError(_("Wait until your turn"), 0);
12804 DisplayError(_("No hint available"), 0);
12807 SendToProgram("hint\n", &first);
12808 hintRequested = TRUE;
12814 if (appData.noChessProgram) return;
12815 switch (gameMode) {
12816 case MachinePlaysWhite:
12817 if (WhiteOnMove(forwardMostMove)) {
12818 DisplayError(_("Wait until your turn"), 0);
12822 case BeginningOfGame:
12823 case MachinePlaysBlack:
12824 if (!WhiteOnMove(forwardMostMove)) {
12825 DisplayError(_("Wait until your turn"), 0);
12830 EditPositionDone(TRUE);
12832 case TwoMachinesPlay:
12837 SendToProgram("bk\n", &first);
12838 bookOutput[0] = NULLCHAR;
12839 bookRequested = TRUE;
12845 char *tags = PGNTags(&gameInfo);
12846 TagsPopUp(tags, CmailMsg());
12850 /* end button procedures */
12853 PrintPosition(fp, move)
12859 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12860 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12861 char c = PieceToChar(boards[move][i][j]);
12862 fputc(c == 'x' ? '.' : c, fp);
12863 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12866 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12867 fprintf(fp, "white to play\n");
12869 fprintf(fp, "black to play\n");
12876 if (gameInfo.white != NULL) {
12877 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12883 /* Find last component of program's own name, using some heuristics */
12885 TidyProgramName(prog, host, buf)
12886 char *prog, *host, buf[MSG_SIZ];
12889 int local = (strcmp(host, "localhost") == 0);
12890 while (!local && (p = strchr(prog, ';')) != NULL) {
12892 while (*p == ' ') p++;
12895 if (*prog == '"' || *prog == '\'') {
12896 q = strchr(prog + 1, *prog);
12898 q = strchr(prog, ' ');
12900 if (q == NULL) q = prog + strlen(prog);
12902 while (p >= prog && *p != '/' && *p != '\\') p--;
12904 if(p == prog && *p == '"') p++;
12905 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12906 memcpy(buf, p, q - p);
12907 buf[q - p] = NULLCHAR;
12915 TimeControlTagValue()
12918 if (!appData.clockMode) {
12920 } else if (movesPerSession > 0) {
12921 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12922 } else if (timeIncrement == 0) {
12923 sprintf(buf, "%ld", timeControl/1000);
12925 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12927 return StrSave(buf);
12933 /* This routine is used only for certain modes */
12934 VariantClass v = gameInfo.variant;
12935 ChessMove r = GameUnfinished;
12938 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12939 r = gameInfo.result;
12940 p = gameInfo.resultDetails;
12941 gameInfo.resultDetails = NULL;
12943 ClearGameInfo(&gameInfo);
12944 gameInfo.variant = v;
12946 switch (gameMode) {
12947 case MachinePlaysWhite:
12948 gameInfo.event = StrSave( appData.pgnEventHeader );
12949 gameInfo.site = StrSave(HostName());
12950 gameInfo.date = PGNDate();
12951 gameInfo.round = StrSave("-");
12952 gameInfo.white = StrSave(first.tidy);
12953 gameInfo.black = StrSave(UserName());
12954 gameInfo.timeControl = TimeControlTagValue();
12957 case MachinePlaysBlack:
12958 gameInfo.event = StrSave( appData.pgnEventHeader );
12959 gameInfo.site = StrSave(HostName());
12960 gameInfo.date = PGNDate();
12961 gameInfo.round = StrSave("-");
12962 gameInfo.white = StrSave(UserName());
12963 gameInfo.black = StrSave(first.tidy);
12964 gameInfo.timeControl = TimeControlTagValue();
12967 case TwoMachinesPlay:
12968 gameInfo.event = StrSave( appData.pgnEventHeader );
12969 gameInfo.site = StrSave(HostName());
12970 gameInfo.date = PGNDate();
12971 if (matchGame > 0) {
12973 sprintf(buf, "%d", matchGame);
12974 gameInfo.round = StrSave(buf);
12976 gameInfo.round = StrSave("-");
12978 if (first.twoMachinesColor[0] == 'w') {
12979 gameInfo.white = StrSave(first.tidy);
12980 gameInfo.black = StrSave(second.tidy);
12982 gameInfo.white = StrSave(second.tidy);
12983 gameInfo.black = StrSave(first.tidy);
12985 gameInfo.timeControl = TimeControlTagValue();
12989 gameInfo.event = StrSave("Edited game");
12990 gameInfo.site = StrSave(HostName());
12991 gameInfo.date = PGNDate();
12992 gameInfo.round = StrSave("-");
12993 gameInfo.white = StrSave("-");
12994 gameInfo.black = StrSave("-");
12995 gameInfo.result = r;
12996 gameInfo.resultDetails = p;
13000 gameInfo.event = StrSave("Edited position");
13001 gameInfo.site = StrSave(HostName());
13002 gameInfo.date = PGNDate();
13003 gameInfo.round = StrSave("-");
13004 gameInfo.white = StrSave("-");
13005 gameInfo.black = StrSave("-");
13008 case IcsPlayingWhite:
13009 case IcsPlayingBlack:
13014 case PlayFromGameFile:
13015 gameInfo.event = StrSave("Game from non-PGN file");
13016 gameInfo.site = StrSave(HostName());
13017 gameInfo.date = PGNDate();
13018 gameInfo.round = StrSave("-");
13019 gameInfo.white = StrSave("?");
13020 gameInfo.black = StrSave("?");
13029 ReplaceComment(index, text)
13035 while (*text == '\n') text++;
13036 len = strlen(text);
13037 while (len > 0 && text[len - 1] == '\n') len--;
13039 if (commentList[index] != NULL)
13040 free(commentList[index]);
13043 commentList[index] = NULL;
13046 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13047 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13048 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13049 commentList[index] = (char *) malloc(len + 2);
13050 strncpy(commentList[index], text, len);
13051 commentList[index][len] = '\n';
13052 commentList[index][len + 1] = NULLCHAR;
13054 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13056 commentList[index] = (char *) malloc(len + 6);
13057 strcpy(commentList[index], "{\n");
13058 strncpy(commentList[index]+2, text, len);
13059 commentList[index][len+2] = NULLCHAR;
13060 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13061 strcat(commentList[index], "\n}\n");
13075 if (ch == '\r') continue;
13077 } while (ch != '\0');
13081 AppendComment(index, text, addBraces)
13084 Boolean addBraces; // [HGM] braces: tells if we should add {}
13089 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13090 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13093 while (*text == '\n') text++;
13094 len = strlen(text);
13095 while (len > 0 && text[len - 1] == '\n') len--;
13097 if (len == 0) return;
13099 if (commentList[index] != NULL) {
13100 old = commentList[index];
13101 oldlen = strlen(old);
13102 while(commentList[index][oldlen-1] == '\n')
13103 commentList[index][--oldlen] = NULLCHAR;
13104 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13105 strcpy(commentList[index], old);
13107 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13108 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13109 if(addBraces) addBraces = FALSE; else { text++; len--; }
13110 while (*text == '\n') { text++; len--; }
13111 commentList[index][--oldlen] = NULLCHAR;
13113 if(addBraces) strcat(commentList[index], "\n{\n");
13114 else strcat(commentList[index], "\n");
13115 strcat(commentList[index], text);
13116 if(addBraces) strcat(commentList[index], "\n}\n");
13117 else strcat(commentList[index], "\n");
13119 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13121 strcpy(commentList[index], "{\n");
13122 else commentList[index][0] = NULLCHAR;
13123 strcat(commentList[index], text);
13124 strcat(commentList[index], "\n");
13125 if(addBraces) strcat(commentList[index], "}\n");
13129 static char * FindStr( char * text, char * sub_text )
13131 char * result = strstr( text, sub_text );
13133 if( result != NULL ) {
13134 result += strlen( sub_text );
13140 /* [AS] Try to extract PV info from PGN comment */
13141 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13142 char *GetInfoFromComment( int index, char * text )
13146 if( text != NULL && index > 0 ) {
13149 int time = -1, sec = 0, deci;
13150 char * s_eval = FindStr( text, "[%eval " );
13151 char * s_emt = FindStr( text, "[%emt " );
13153 if( s_eval != NULL || s_emt != NULL ) {
13157 if( s_eval != NULL ) {
13158 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13162 if( delim != ']' ) {
13167 if( s_emt != NULL ) {
13172 /* We expect something like: [+|-]nnn.nn/dd */
13175 if(*text != '{') return text; // [HGM] braces: must be normal comment
13177 sep = strchr( text, '/' );
13178 if( sep == NULL || sep < (text+4) ) {
13182 time = -1; sec = -1; deci = -1;
13183 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13184 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13185 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13186 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13190 if( score_lo < 0 || score_lo >= 100 ) {
13194 if(sec >= 0) time = 600*time + 10*sec; else
13195 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13197 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13199 /* [HGM] PV time: now locate end of PV info */
13200 while( *++sep >= '0' && *sep <= '9'); // strip depth
13202 while( *++sep >= '0' && *sep <= '9'); // strip time
13204 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13206 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13207 while(*sep == ' ') sep++;
13218 pvInfoList[index-1].depth = depth;
13219 pvInfoList[index-1].score = score;
13220 pvInfoList[index-1].time = 10*time; // centi-sec
13221 if(*sep == '}') *sep = 0; else *--sep = '{';
13227 SendToProgram(message, cps)
13229 ChessProgramState *cps;
13231 int count, outCount, error;
13234 if (cps->pr == NULL) return;
13237 if (appData.debugMode) {
13240 fprintf(debugFP, "%ld >%-6s: %s",
13241 SubtractTimeMarks(&now, &programStartTime),
13242 cps->which, message);
13245 count = strlen(message);
13246 outCount = OutputToProcess(cps->pr, message, count, &error);
13247 if (outCount < count && !exiting
13248 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13249 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13250 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13251 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13252 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13253 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13255 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13257 gameInfo.resultDetails = StrSave(buf);
13259 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13264 ReceiveFromProgram(isr, closure, message, count, error)
13265 InputSourceRef isr;
13273 ChessProgramState *cps = (ChessProgramState *)closure;
13275 if (isr != cps->isr) return; /* Killed intentionally */
13279 _("Error: %s chess program (%s) exited unexpectedly"),
13280 cps->which, cps->program);
13281 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13282 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13283 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13284 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13286 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13288 gameInfo.resultDetails = StrSave(buf);
13290 RemoveInputSource(cps->isr);
13291 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13294 _("Error reading from %s chess program (%s)"),
13295 cps->which, cps->program);
13296 RemoveInputSource(cps->isr);
13298 /* [AS] Program is misbehaving badly... kill it */
13299 if( count == -2 ) {
13300 DestroyChildProcess( cps->pr, 9 );
13304 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13309 if ((end_str = strchr(message, '\r')) != NULL)
13310 *end_str = NULLCHAR;
13311 if ((end_str = strchr(message, '\n')) != NULL)
13312 *end_str = NULLCHAR;
13314 if (appData.debugMode) {
13315 TimeMark now; int print = 1;
13316 char *quote = ""; char c; int i;
13318 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13319 char start = message[0];
13320 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13321 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13322 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13323 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13324 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13325 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13326 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13327 sscanf(message, "pong %c", &c)!=1 && start != '#')
13328 { quote = "# "; print = (appData.engineComments == 2); }
13329 message[0] = start; // restore original message
13333 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13334 SubtractTimeMarks(&now, &programStartTime), cps->which,
13340 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13341 if (appData.icsEngineAnalyze) {
13342 if (strstr(message, "whisper") != NULL ||
13343 strstr(message, "kibitz") != NULL ||
13344 strstr(message, "tellics") != NULL) return;
13347 HandleMachineMove(message, cps);
13352 SendTimeControl(cps, mps, tc, inc, sd, st)
13353 ChessProgramState *cps;
13354 int mps, inc, sd, st;
13360 if( timeControl_2 > 0 ) {
13361 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13362 tc = timeControl_2;
13365 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13366 inc /= cps->timeOdds;
13367 st /= cps->timeOdds;
13369 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13372 /* Set exact time per move, normally using st command */
13373 if (cps->stKludge) {
13374 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13376 if (seconds == 0) {
13377 sprintf(buf, "level 1 %d\n", st/60);
13379 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13382 sprintf(buf, "st %d\n", st);
13385 /* Set conventional or incremental time control, using level command */
13386 if (seconds == 0) {
13387 /* Note old gnuchess bug -- minutes:seconds used to not work.
13388 Fixed in later versions, but still avoid :seconds
13389 when seconds is 0. */
13390 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13392 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13393 seconds, inc/1000);
13396 SendToProgram(buf, cps);
13398 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13399 /* Orthogonally, limit search to given depth */
13401 if (cps->sdKludge) {
13402 sprintf(buf, "depth\n%d\n", sd);
13404 sprintf(buf, "sd %d\n", sd);
13406 SendToProgram(buf, cps);
13409 if(cps->nps > 0) { /* [HGM] nps */
13410 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13412 sprintf(buf, "nps %d\n", cps->nps);
13413 SendToProgram(buf, cps);
13418 ChessProgramState *WhitePlayer()
13419 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13421 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13422 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13428 SendTimeRemaining(cps, machineWhite)
13429 ChessProgramState *cps;
13430 int /*boolean*/ machineWhite;
13432 char message[MSG_SIZ];
13435 /* Note: this routine must be called when the clocks are stopped
13436 or when they have *just* been set or switched; otherwise
13437 it will be off by the time since the current tick started.
13439 if (machineWhite) {
13440 time = whiteTimeRemaining / 10;
13441 otime = blackTimeRemaining / 10;
13443 time = blackTimeRemaining / 10;
13444 otime = whiteTimeRemaining / 10;
13446 /* [HGM] translate opponent's time by time-odds factor */
13447 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13448 if (appData.debugMode) {
13449 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13452 if (time <= 0) time = 1;
13453 if (otime <= 0) otime = 1;
13455 sprintf(message, "time %ld\n", time);
13456 SendToProgram(message, cps);
13458 sprintf(message, "otim %ld\n", otime);
13459 SendToProgram(message, cps);
13463 BoolFeature(p, name, loc, cps)
13467 ChessProgramState *cps;
13470 int len = strlen(name);
13472 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13474 sscanf(*p, "%d", &val);
13476 while (**p && **p != ' ') (*p)++;
13477 sprintf(buf, "accepted %s\n", name);
13478 SendToProgram(buf, cps);
13485 IntFeature(p, name, loc, cps)
13489 ChessProgramState *cps;
13492 int len = strlen(name);
13493 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13495 sscanf(*p, "%d", loc);
13496 while (**p && **p != ' ') (*p)++;
13497 sprintf(buf, "accepted %s\n", name);
13498 SendToProgram(buf, cps);
13505 StringFeature(p, name, loc, cps)
13509 ChessProgramState *cps;
13512 int len = strlen(name);
13513 if (strncmp((*p), name, len) == 0
13514 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13516 sscanf(*p, "%[^\"]", loc);
13517 while (**p && **p != '\"') (*p)++;
13518 if (**p == '\"') (*p)++;
13519 sprintf(buf, "accepted %s\n", name);
13520 SendToProgram(buf, cps);
13527 ParseOption(Option *opt, ChessProgramState *cps)
13528 // [HGM] options: process the string that defines an engine option, and determine
13529 // name, type, default value, and allowed value range
13531 char *p, *q, buf[MSG_SIZ];
13532 int n, min = (-1)<<31, max = 1<<31, def;
13534 if(p = strstr(opt->name, " -spin ")) {
13535 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13536 if(max < min) max = min; // enforce consistency
13537 if(def < min) def = min;
13538 if(def > max) def = max;
13543 } else if((p = strstr(opt->name, " -slider "))) {
13544 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13545 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13546 if(max < min) max = min; // enforce consistency
13547 if(def < min) def = min;
13548 if(def > max) def = max;
13552 opt->type = Spin; // Slider;
13553 } else if((p = strstr(opt->name, " -string "))) {
13554 opt->textValue = p+9;
13555 opt->type = TextBox;
13556 } else if((p = strstr(opt->name, " -file "))) {
13557 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13558 opt->textValue = p+7;
13559 opt->type = TextBox; // FileName;
13560 } else if((p = strstr(opt->name, " -path "))) {
13561 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13562 opt->textValue = p+7;
13563 opt->type = TextBox; // PathName;
13564 } else if(p = strstr(opt->name, " -check ")) {
13565 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13566 opt->value = (def != 0);
13567 opt->type = CheckBox;
13568 } else if(p = strstr(opt->name, " -combo ")) {
13569 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13570 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13571 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13572 opt->value = n = 0;
13573 while(q = StrStr(q, " /// ")) {
13574 n++; *q = 0; // count choices, and null-terminate each of them
13576 if(*q == '*') { // remember default, which is marked with * prefix
13580 cps->comboList[cps->comboCnt++] = q;
13582 cps->comboList[cps->comboCnt++] = NULL;
13584 opt->type = ComboBox;
13585 } else if(p = strstr(opt->name, " -button")) {
13586 opt->type = Button;
13587 } else if(p = strstr(opt->name, " -save")) {
13588 opt->type = SaveButton;
13589 } else return FALSE;
13590 *p = 0; // terminate option name
13591 // now look if the command-line options define a setting for this engine option.
13592 if(cps->optionSettings && cps->optionSettings[0])
13593 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13594 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13595 sprintf(buf, "option %s", p);
13596 if(p = strstr(buf, ",")) *p = 0;
13598 SendToProgram(buf, cps);
13604 FeatureDone(cps, val)
13605 ChessProgramState* cps;
13608 DelayedEventCallback cb = GetDelayedEvent();
13609 if ((cb == InitBackEnd3 && cps == &first) ||
13610 (cb == TwoMachinesEventIfReady && cps == &second)) {
13611 CancelDelayedEvent();
13612 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13614 cps->initDone = val;
13617 /* Parse feature command from engine */
13619 ParseFeatures(args, cps)
13621 ChessProgramState *cps;
13629 while (*p == ' ') p++;
13630 if (*p == NULLCHAR) return;
13632 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13633 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13634 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13635 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13636 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13637 if (BoolFeature(&p, "reuse", &val, cps)) {
13638 /* Engine can disable reuse, but can't enable it if user said no */
13639 if (!val) cps->reuse = FALSE;
13642 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13643 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13644 if (gameMode == TwoMachinesPlay) {
13645 DisplayTwoMachinesTitle();
13651 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13652 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13653 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13654 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13655 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13656 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13657 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13658 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13659 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13660 if (IntFeature(&p, "done", &val, cps)) {
13661 FeatureDone(cps, val);
13664 /* Added by Tord: */
13665 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13666 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13667 /* End of additions by Tord */
13669 /* [HGM] added features: */
13670 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13671 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13672 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13673 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13674 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13675 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13676 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13677 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13678 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13679 SendToProgram(buf, cps);
13682 if(cps->nrOptions >= MAX_OPTIONS) {
13684 sprintf(buf, "%s engine has too many options\n", cps->which);
13685 DisplayError(buf, 0);
13689 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13690 /* End of additions by HGM */
13692 /* unknown feature: complain and skip */
13694 while (*q && *q != '=') q++;
13695 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13696 SendToProgram(buf, cps);
13702 while (*p && *p != '\"') p++;
13703 if (*p == '\"') p++;
13705 while (*p && *p != ' ') p++;
13713 PeriodicUpdatesEvent(newState)
13716 if (newState == appData.periodicUpdates)
13719 appData.periodicUpdates=newState;
13721 /* Display type changes, so update it now */
13722 // DisplayAnalysis();
13724 /* Get the ball rolling again... */
13726 AnalysisPeriodicEvent(1);
13727 StartAnalysisClock();
13732 PonderNextMoveEvent(newState)
13735 if (newState == appData.ponderNextMove) return;
13736 if (gameMode == EditPosition) EditPositionDone(TRUE);
13738 SendToProgram("hard\n", &first);
13739 if (gameMode == TwoMachinesPlay) {
13740 SendToProgram("hard\n", &second);
13743 SendToProgram("easy\n", &first);
13744 thinkOutput[0] = NULLCHAR;
13745 if (gameMode == TwoMachinesPlay) {
13746 SendToProgram("easy\n", &second);
13749 appData.ponderNextMove = newState;
13753 NewSettingEvent(option, command, value)
13759 if (gameMode == EditPosition) EditPositionDone(TRUE);
13760 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13761 SendToProgram(buf, &first);
13762 if (gameMode == TwoMachinesPlay) {
13763 SendToProgram(buf, &second);
13768 ShowThinkingEvent()
13769 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13771 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13772 int newState = appData.showThinking
13773 // [HGM] thinking: other features now need thinking output as well
13774 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13776 if (oldState == newState) return;
13777 oldState = newState;
13778 if (gameMode == EditPosition) EditPositionDone(TRUE);
13780 SendToProgram("post\n", &first);
13781 if (gameMode == TwoMachinesPlay) {
13782 SendToProgram("post\n", &second);
13785 SendToProgram("nopost\n", &first);
13786 thinkOutput[0] = NULLCHAR;
13787 if (gameMode == TwoMachinesPlay) {
13788 SendToProgram("nopost\n", &second);
13791 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13795 AskQuestionEvent(title, question, replyPrefix, which)
13796 char *title; char *question; char *replyPrefix; char *which;
13798 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13799 if (pr == NoProc) return;
13800 AskQuestion(title, question, replyPrefix, pr);
13804 DisplayMove(moveNumber)
13807 char message[MSG_SIZ];
13809 char cpThinkOutput[MSG_SIZ];
13811 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13813 if (moveNumber == forwardMostMove - 1 ||
13814 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13816 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13818 if (strchr(cpThinkOutput, '\n')) {
13819 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13822 *cpThinkOutput = NULLCHAR;
13825 /* [AS] Hide thinking from human user */
13826 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13827 *cpThinkOutput = NULLCHAR;
13828 if( thinkOutput[0] != NULLCHAR ) {
13831 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13832 cpThinkOutput[i] = '.';
13834 cpThinkOutput[i] = NULLCHAR;
13835 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13839 if (moveNumber == forwardMostMove - 1 &&
13840 gameInfo.resultDetails != NULL) {
13841 if (gameInfo.resultDetails[0] == NULLCHAR) {
13842 sprintf(res, " %s", PGNResult(gameInfo.result));
13844 sprintf(res, " {%s} %s",
13845 gameInfo.resultDetails, PGNResult(gameInfo.result));
13851 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13852 DisplayMessage(res, cpThinkOutput);
13854 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13855 WhiteOnMove(moveNumber) ? " " : ".. ",
13856 parseList[moveNumber], res);
13857 DisplayMessage(message, cpThinkOutput);
13862 DisplayComment(moveNumber, text)
13866 char title[MSG_SIZ];
13867 char buf[8000]; // comment can be long!
13870 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13871 strcpy(title, "Comment");
13873 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13874 WhiteOnMove(moveNumber) ? " " : ".. ",
13875 parseList[moveNumber]);
13877 // [HGM] PV info: display PV info together with (or as) comment
13878 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13879 if(text == NULL) text = "";
13880 score = pvInfoList[moveNumber].score;
13881 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13882 depth, (pvInfoList[moveNumber].time+50)/100, text);
13885 if (text != NULL && (appData.autoDisplayComment || commentUp))
13886 CommentPopUp(title, text);
13889 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13890 * might be busy thinking or pondering. It can be omitted if your
13891 * gnuchess is configured to stop thinking immediately on any user
13892 * input. However, that gnuchess feature depends on the FIONREAD
13893 * ioctl, which does not work properly on some flavors of Unix.
13897 ChessProgramState *cps;
13900 if (!cps->useSigint) return;
13901 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13902 switch (gameMode) {
13903 case MachinePlaysWhite:
13904 case MachinePlaysBlack:
13905 case TwoMachinesPlay:
13906 case IcsPlayingWhite:
13907 case IcsPlayingBlack:
13910 /* Skip if we know it isn't thinking */
13911 if (!cps->maybeThinking) return;
13912 if (appData.debugMode)
13913 fprintf(debugFP, "Interrupting %s\n", cps->which);
13914 InterruptChildProcess(cps->pr);
13915 cps->maybeThinking = FALSE;
13920 #endif /*ATTENTION*/
13926 if (whiteTimeRemaining <= 0) {
13929 if (appData.icsActive) {
13930 if (appData.autoCallFlag &&
13931 gameMode == IcsPlayingBlack && !blackFlag) {
13932 SendToICS(ics_prefix);
13933 SendToICS("flag\n");
13937 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13939 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13940 if (appData.autoCallFlag) {
13941 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13948 if (blackTimeRemaining <= 0) {
13951 if (appData.icsActive) {
13952 if (appData.autoCallFlag &&
13953 gameMode == IcsPlayingWhite && !whiteFlag) {
13954 SendToICS(ics_prefix);
13955 SendToICS("flag\n");
13959 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13961 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13962 if (appData.autoCallFlag) {
13963 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13976 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13977 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13980 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13982 if ( !WhiteOnMove(forwardMostMove) )
13983 /* White made time control */
13984 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13985 /* [HGM] time odds: correct new time quota for time odds! */
13986 / WhitePlayer()->timeOdds;
13988 /* Black made time control */
13989 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13990 / WhitePlayer()->other->timeOdds;
13994 DisplayBothClocks()
13996 int wom = gameMode == EditPosition ?
13997 !blackPlaysFirst : WhiteOnMove(currentMove);
13998 DisplayWhiteClock(whiteTimeRemaining, wom);
13999 DisplayBlackClock(blackTimeRemaining, !wom);
14003 /* Timekeeping seems to be a portability nightmare. I think everyone
14004 has ftime(), but I'm really not sure, so I'm including some ifdefs
14005 to use other calls if you don't. Clocks will be less accurate if
14006 you have neither ftime nor gettimeofday.
14009 /* VS 2008 requires the #include outside of the function */
14010 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14011 #include <sys/timeb.h>
14014 /* Get the current time as a TimeMark */
14019 #if HAVE_GETTIMEOFDAY
14021 struct timeval timeVal;
14022 struct timezone timeZone;
14024 gettimeofday(&timeVal, &timeZone);
14025 tm->sec = (long) timeVal.tv_sec;
14026 tm->ms = (int) (timeVal.tv_usec / 1000L);
14028 #else /*!HAVE_GETTIMEOFDAY*/
14031 // include <sys/timeb.h> / moved to just above start of function
14032 struct timeb timeB;
14035 tm->sec = (long) timeB.time;
14036 tm->ms = (int) timeB.millitm;
14038 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14039 tm->sec = (long) time(NULL);
14045 /* Return the difference in milliseconds between two
14046 time marks. We assume the difference will fit in a long!
14049 SubtractTimeMarks(tm2, tm1)
14050 TimeMark *tm2, *tm1;
14052 return 1000L*(tm2->sec - tm1->sec) +
14053 (long) (tm2->ms - tm1->ms);
14058 * Code to manage the game clocks.
14060 * In tournament play, black starts the clock and then white makes a move.
14061 * We give the human user a slight advantage if he is playing white---the
14062 * clocks don't run until he makes his first move, so it takes zero time.
14063 * Also, we don't account for network lag, so we could get out of sync
14064 * with GNU Chess's clock -- but then, referees are always right.
14067 static TimeMark tickStartTM;
14068 static long intendedTickLength;
14071 NextTickLength(timeRemaining)
14072 long timeRemaining;
14074 long nominalTickLength, nextTickLength;
14076 if (timeRemaining > 0L && timeRemaining <= 10000L)
14077 nominalTickLength = 100L;
14079 nominalTickLength = 1000L;
14080 nextTickLength = timeRemaining % nominalTickLength;
14081 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14083 return nextTickLength;
14086 /* Adjust clock one minute up or down */
14088 AdjustClock(Boolean which, int dir)
14090 if(which) blackTimeRemaining += 60000*dir;
14091 else whiteTimeRemaining += 60000*dir;
14092 DisplayBothClocks();
14095 /* Stop clocks and reset to a fresh time control */
14099 (void) StopClockTimer();
14100 if (appData.icsActive) {
14101 whiteTimeRemaining = blackTimeRemaining = 0;
14102 } else if (searchTime) {
14103 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14104 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14105 } else { /* [HGM] correct new time quote for time odds */
14106 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14107 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14109 if (whiteFlag || blackFlag) {
14111 whiteFlag = blackFlag = FALSE;
14113 DisplayBothClocks();
14116 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14118 /* Decrement running clock by amount of time that has passed */
14122 long timeRemaining;
14123 long lastTickLength, fudge;
14126 if (!appData.clockMode) return;
14127 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14131 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14133 /* Fudge if we woke up a little too soon */
14134 fudge = intendedTickLength - lastTickLength;
14135 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14137 if (WhiteOnMove(forwardMostMove)) {
14138 if(whiteNPS >= 0) lastTickLength = 0;
14139 timeRemaining = whiteTimeRemaining -= lastTickLength;
14140 DisplayWhiteClock(whiteTimeRemaining - fudge,
14141 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14143 if(blackNPS >= 0) lastTickLength = 0;
14144 timeRemaining = blackTimeRemaining -= lastTickLength;
14145 DisplayBlackClock(blackTimeRemaining - fudge,
14146 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14149 if (CheckFlags()) return;
14152 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14153 StartClockTimer(intendedTickLength);
14155 /* if the time remaining has fallen below the alarm threshold, sound the
14156 * alarm. if the alarm has sounded and (due to a takeback or time control
14157 * with increment) the time remaining has increased to a level above the
14158 * threshold, reset the alarm so it can sound again.
14161 if (appData.icsActive && appData.icsAlarm) {
14163 /* make sure we are dealing with the user's clock */
14164 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14165 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14168 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14169 alarmSounded = FALSE;
14170 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14172 alarmSounded = TRUE;
14178 /* A player has just moved, so stop the previously running
14179 clock and (if in clock mode) start the other one.
14180 We redisplay both clocks in case we're in ICS mode, because
14181 ICS gives us an update to both clocks after every move.
14182 Note that this routine is called *after* forwardMostMove
14183 is updated, so the last fractional tick must be subtracted
14184 from the color that is *not* on move now.
14187 SwitchClocks(int newMoveNr)
14189 long lastTickLength;
14191 int flagged = FALSE;
14195 if (StopClockTimer() && appData.clockMode) {
14196 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14197 if (!WhiteOnMove(forwardMostMove)) {
14198 if(blackNPS >= 0) lastTickLength = 0;
14199 blackTimeRemaining -= lastTickLength;
14200 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14201 // if(pvInfoList[forwardMostMove-1].time == -1)
14202 pvInfoList[forwardMostMove-1].time = // use GUI time
14203 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14205 if(whiteNPS >= 0) lastTickLength = 0;
14206 whiteTimeRemaining -= lastTickLength;
14207 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14208 // if(pvInfoList[forwardMostMove-1].time == -1)
14209 pvInfoList[forwardMostMove-1].time =
14210 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14212 flagged = CheckFlags();
14214 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14215 CheckTimeControl();
14217 if (flagged || !appData.clockMode) return;
14219 switch (gameMode) {
14220 case MachinePlaysBlack:
14221 case MachinePlaysWhite:
14222 case BeginningOfGame:
14223 if (pausing) return;
14227 case PlayFromGameFile:
14235 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14236 if(WhiteOnMove(forwardMostMove))
14237 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14238 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14242 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14243 whiteTimeRemaining : blackTimeRemaining);
14244 StartClockTimer(intendedTickLength);
14248 /* Stop both clocks */
14252 long lastTickLength;
14255 if (!StopClockTimer()) return;
14256 if (!appData.clockMode) return;
14260 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14261 if (WhiteOnMove(forwardMostMove)) {
14262 if(whiteNPS >= 0) lastTickLength = 0;
14263 whiteTimeRemaining -= lastTickLength;
14264 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14266 if(blackNPS >= 0) lastTickLength = 0;
14267 blackTimeRemaining -= lastTickLength;
14268 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14273 /* Start clock of player on move. Time may have been reset, so
14274 if clock is already running, stop and restart it. */
14278 (void) StopClockTimer(); /* in case it was running already */
14279 DisplayBothClocks();
14280 if (CheckFlags()) return;
14282 if (!appData.clockMode) return;
14283 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14285 GetTimeMark(&tickStartTM);
14286 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14287 whiteTimeRemaining : blackTimeRemaining);
14289 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14290 whiteNPS = blackNPS = -1;
14291 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14292 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14293 whiteNPS = first.nps;
14294 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14295 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14296 blackNPS = first.nps;
14297 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14298 whiteNPS = second.nps;
14299 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14300 blackNPS = second.nps;
14301 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14303 StartClockTimer(intendedTickLength);
14310 long second, minute, hour, day;
14312 static char buf[32];
14314 if (ms > 0 && ms <= 9900) {
14315 /* convert milliseconds to tenths, rounding up */
14316 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14318 sprintf(buf, " %03.1f ", tenths/10.0);
14322 /* convert milliseconds to seconds, rounding up */
14323 /* use floating point to avoid strangeness of integer division
14324 with negative dividends on many machines */
14325 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14332 day = second / (60 * 60 * 24);
14333 second = second % (60 * 60 * 24);
14334 hour = second / (60 * 60);
14335 second = second % (60 * 60);
14336 minute = second / 60;
14337 second = second % 60;
14340 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14341 sign, day, hour, minute, second);
14343 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14345 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14352 * This is necessary because some C libraries aren't ANSI C compliant yet.
14355 StrStr(string, match)
14356 char *string, *match;
14360 length = strlen(match);
14362 for (i = strlen(string) - length; i >= 0; i--, string++)
14363 if (!strncmp(match, string, length))
14370 StrCaseStr(string, match)
14371 char *string, *match;
14375 length = strlen(match);
14377 for (i = strlen(string) - length; i >= 0; i--, string++) {
14378 for (j = 0; j < length; j++) {
14379 if (ToLower(match[j]) != ToLower(string[j]))
14382 if (j == length) return string;
14396 c1 = ToLower(*s1++);
14397 c2 = ToLower(*s2++);
14398 if (c1 > c2) return 1;
14399 if (c1 < c2) return -1;
14400 if (c1 == NULLCHAR) return 0;
14409 return isupper(c) ? tolower(c) : c;
14417 return islower(c) ? toupper(c) : c;
14419 #endif /* !_amigados */
14427 if ((ret = (char *) malloc(strlen(s) + 1))) {
14434 StrSavePtr(s, savePtr)
14435 char *s, **savePtr;
14440 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14441 strcpy(*savePtr, s);
14453 clock = time((time_t *)NULL);
14454 tm = localtime(&clock);
14455 sprintf(buf, "%04d.%02d.%02d",
14456 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14457 return StrSave(buf);
14462 PositionToFEN(move, overrideCastling)
14464 char *overrideCastling;
14466 int i, j, fromX, fromY, toX, toY;
14473 whiteToPlay = (gameMode == EditPosition) ?
14474 !blackPlaysFirst : (move % 2 == 0);
14477 /* Piece placement data */
14478 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14480 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14481 if (boards[move][i][j] == EmptySquare) {
14483 } else { ChessSquare piece = boards[move][i][j];
14484 if (emptycount > 0) {
14485 if(emptycount<10) /* [HGM] can be >= 10 */
14486 *p++ = '0' + emptycount;
14487 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14490 if(PieceToChar(piece) == '+') {
14491 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14493 piece = (ChessSquare)(DEMOTED piece);
14495 *p++ = PieceToChar(piece);
14497 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14498 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14503 if (emptycount > 0) {
14504 if(emptycount<10) /* [HGM] can be >= 10 */
14505 *p++ = '0' + emptycount;
14506 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14513 /* [HGM] print Crazyhouse or Shogi holdings */
14514 if( gameInfo.holdingsWidth ) {
14515 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14517 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14518 piece = boards[move][i][BOARD_WIDTH-1];
14519 if( piece != EmptySquare )
14520 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14521 *p++ = PieceToChar(piece);
14523 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14524 piece = boards[move][BOARD_HEIGHT-i-1][0];
14525 if( piece != EmptySquare )
14526 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14527 *p++ = PieceToChar(piece);
14530 if( q == p ) *p++ = '-';
14536 *p++ = whiteToPlay ? 'w' : 'b';
14539 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14540 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14542 if(nrCastlingRights) {
14544 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14545 /* [HGM] write directly from rights */
14546 if(boards[move][CASTLING][2] != NoRights &&
14547 boards[move][CASTLING][0] != NoRights )
14548 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14549 if(boards[move][CASTLING][2] != NoRights &&
14550 boards[move][CASTLING][1] != NoRights )
14551 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14552 if(boards[move][CASTLING][5] != NoRights &&
14553 boards[move][CASTLING][3] != NoRights )
14554 *p++ = boards[move][CASTLING][3] + AAA;
14555 if(boards[move][CASTLING][5] != NoRights &&
14556 boards[move][CASTLING][4] != NoRights )
14557 *p++ = boards[move][CASTLING][4] + AAA;
14560 /* [HGM] write true castling rights */
14561 if( nrCastlingRights == 6 ) {
14562 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14563 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14564 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14565 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14566 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14567 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14568 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14569 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14572 if (q == p) *p++ = '-'; /* No castling rights */
14576 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14577 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14578 /* En passant target square */
14579 if (move > backwardMostMove) {
14580 fromX = moveList[move - 1][0] - AAA;
14581 fromY = moveList[move - 1][1] - ONE;
14582 toX = moveList[move - 1][2] - AAA;
14583 toY = moveList[move - 1][3] - ONE;
14584 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14585 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14586 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14588 /* 2-square pawn move just happened */
14590 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14594 } else if(move == backwardMostMove) {
14595 // [HGM] perhaps we should always do it like this, and forget the above?
14596 if((signed char)boards[move][EP_STATUS] >= 0) {
14597 *p++ = boards[move][EP_STATUS] + AAA;
14598 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14609 /* [HGM] find reversible plies */
14610 { int i = 0, j=move;
14612 if (appData.debugMode) { int k;
14613 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14614 for(k=backwardMostMove; k<=forwardMostMove; k++)
14615 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14619 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14620 if( j == backwardMostMove ) i += initialRulePlies;
14621 sprintf(p, "%d ", i);
14622 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14624 /* Fullmove number */
14625 sprintf(p, "%d", (move / 2) + 1);
14627 return StrSave(buf);
14631 ParseFEN(board, blackPlaysFirst, fen)
14633 int *blackPlaysFirst;
14643 /* [HGM] by default clear Crazyhouse holdings, if present */
14644 if(gameInfo.holdingsWidth) {
14645 for(i=0; i<BOARD_HEIGHT; i++) {
14646 board[i][0] = EmptySquare; /* black holdings */
14647 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14648 board[i][1] = (ChessSquare) 0; /* black counts */
14649 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14653 /* Piece placement data */
14654 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14657 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14658 if (*p == '/') p++;
14659 emptycount = gameInfo.boardWidth - j;
14660 while (emptycount--)
14661 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14663 #if(BOARD_FILES >= 10)
14664 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14665 p++; emptycount=10;
14666 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14667 while (emptycount--)
14668 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14670 } else if (isdigit(*p)) {
14671 emptycount = *p++ - '0';
14672 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14673 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14674 while (emptycount--)
14675 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14676 } else if (*p == '+' || isalpha(*p)) {
14677 if (j >= gameInfo.boardWidth) return FALSE;
14679 piece = CharToPiece(*++p);
14680 if(piece == EmptySquare) return FALSE; /* unknown piece */
14681 piece = (ChessSquare) (PROMOTED piece ); p++;
14682 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14683 } else piece = CharToPiece(*p++);
14685 if(piece==EmptySquare) return FALSE; /* unknown piece */
14686 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14687 piece = (ChessSquare) (PROMOTED piece);
14688 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14691 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14697 while (*p == '/' || *p == ' ') p++;
14699 /* [HGM] look for Crazyhouse holdings here */
14700 while(*p==' ') p++;
14701 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14703 if(*p == '-' ) *p++; /* empty holdings */ else {
14704 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14705 /* if we would allow FEN reading to set board size, we would */
14706 /* have to add holdings and shift the board read so far here */
14707 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14709 if((int) piece >= (int) BlackPawn ) {
14710 i = (int)piece - (int)BlackPawn;
14711 i = PieceToNumber((ChessSquare)i);
14712 if( i >= gameInfo.holdingsSize ) return FALSE;
14713 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14714 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14716 i = (int)piece - (int)WhitePawn;
14717 i = PieceToNumber((ChessSquare)i);
14718 if( i >= gameInfo.holdingsSize ) return FALSE;
14719 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14720 board[i][BOARD_WIDTH-2]++; /* black holdings */
14724 if(*p == ']') *p++;
14727 while(*p == ' ') p++;
14732 *blackPlaysFirst = FALSE;
14735 *blackPlaysFirst = TRUE;
14741 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14742 /* return the extra info in global variiables */
14744 /* set defaults in case FEN is incomplete */
14745 board[EP_STATUS] = EP_UNKNOWN;
14746 for(i=0; i<nrCastlingRights; i++ ) {
14747 board[CASTLING][i] =
14748 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14749 } /* assume possible unless obviously impossible */
14750 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14751 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14752 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14753 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14754 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14755 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14756 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14757 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14760 while(*p==' ') p++;
14761 if(nrCastlingRights) {
14762 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14763 /* castling indicator present, so default becomes no castlings */
14764 for(i=0; i<nrCastlingRights; i++ ) {
14765 board[CASTLING][i] = NoRights;
14768 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14769 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14770 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14771 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14772 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14774 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14775 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14776 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14778 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14779 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14780 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14781 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14782 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14783 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14786 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14787 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14788 board[CASTLING][2] = whiteKingFile;
14791 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14792 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14793 board[CASTLING][2] = whiteKingFile;
14796 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14797 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14798 board[CASTLING][5] = blackKingFile;
14801 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14802 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14803 board[CASTLING][5] = blackKingFile;
14806 default: /* FRC castlings */
14807 if(c >= 'a') { /* black rights */
14808 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14809 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14810 if(i == BOARD_RGHT) break;
14811 board[CASTLING][5] = i;
14813 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14814 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14816 board[CASTLING][3] = c;
14818 board[CASTLING][4] = c;
14819 } else { /* white rights */
14820 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14821 if(board[0][i] == WhiteKing) break;
14822 if(i == BOARD_RGHT) break;
14823 board[CASTLING][2] = i;
14824 c -= AAA - 'a' + 'A';
14825 if(board[0][c] >= WhiteKing) break;
14827 board[CASTLING][0] = c;
14829 board[CASTLING][1] = c;
14833 for(i=0; i<nrCastlingRights; i++)
14834 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14835 if (appData.debugMode) {
14836 fprintf(debugFP, "FEN castling rights:");
14837 for(i=0; i<nrCastlingRights; i++)
14838 fprintf(debugFP, " %d", board[CASTLING][i]);
14839 fprintf(debugFP, "\n");
14842 while(*p==' ') p++;
14845 /* read e.p. field in games that know e.p. capture */
14846 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14847 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14849 p++; board[EP_STATUS] = EP_NONE;
14851 char c = *p++ - AAA;
14853 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14854 if(*p >= '0' && *p <='9') *p++;
14855 board[EP_STATUS] = c;
14860 if(sscanf(p, "%d", &i) == 1) {
14861 FENrulePlies = i; /* 50-move ply counter */
14862 /* (The move number is still ignored) */
14869 EditPositionPasteFEN(char *fen)
14872 Board initial_position;
14874 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14875 DisplayError(_("Bad FEN position in clipboard"), 0);
14878 int savedBlackPlaysFirst = blackPlaysFirst;
14879 EditPositionEvent();
14880 blackPlaysFirst = savedBlackPlaysFirst;
14881 CopyBoard(boards[0], initial_position);
14882 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14883 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14884 DisplayBothClocks();
14885 DrawPosition(FALSE, boards[currentMove]);
14890 static char cseq[12] = "\\ ";
14892 Boolean set_cont_sequence(char *new_seq)
14897 // handle bad attempts to set the sequence
14899 return 0; // acceptable error - no debug
14901 len = strlen(new_seq);
14902 ret = (len > 0) && (len < sizeof(cseq));
14904 strcpy(cseq, new_seq);
14905 else if (appData.debugMode)
14906 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14911 reformat a source message so words don't cross the width boundary. internal
14912 newlines are not removed. returns the wrapped size (no null character unless
14913 included in source message). If dest is NULL, only calculate the size required
14914 for the dest buffer. lp argument indicats line position upon entry, and it's
14915 passed back upon exit.
14917 int wrap(char *dest, char *src, int count, int width, int *lp)
14919 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14921 cseq_len = strlen(cseq);
14922 old_line = line = *lp;
14923 ansi = len = clen = 0;
14925 for (i=0; i < count; i++)
14927 if (src[i] == '\033')
14930 // if we hit the width, back up
14931 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14933 // store i & len in case the word is too long
14934 old_i = i, old_len = len;
14936 // find the end of the last word
14937 while (i && src[i] != ' ' && src[i] != '\n')
14943 // word too long? restore i & len before splitting it
14944 if ((old_i-i+clen) >= width)
14951 if (i && src[i-1] == ' ')
14954 if (src[i] != ' ' && src[i] != '\n')
14961 // now append the newline and continuation sequence
14966 strncpy(dest+len, cseq, cseq_len);
14974 dest[len] = src[i];
14978 if (src[i] == '\n')
14983 if (dest && appData.debugMode)
14985 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14986 count, width, line, len, *lp);
14987 show_bytes(debugFP, src, count);
14988 fprintf(debugFP, "\ndest: ");
14989 show_bytes(debugFP, dest, len);
14990 fprintf(debugFP, "\n");
14992 *lp = dest ? line : old_line;
14997 // [HGM] vari: routines for shelving variations
15000 PushTail(int firstMove, int lastMove)
15002 int i, j, nrMoves = lastMove - firstMove;
15004 if(appData.icsActive) { // only in local mode
15005 forwardMostMove = currentMove; // mimic old ICS behavior
15008 if(storedGames >= MAX_VARIATIONS-1) return;
15010 // push current tail of game on stack
15011 savedResult[storedGames] = gameInfo.result;
15012 savedDetails[storedGames] = gameInfo.resultDetails;
15013 gameInfo.resultDetails = NULL;
15014 savedFirst[storedGames] = firstMove;
15015 savedLast [storedGames] = lastMove;
15016 savedFramePtr[storedGames] = framePtr;
15017 framePtr -= nrMoves; // reserve space for the boards
15018 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15019 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15020 for(j=0; j<MOVE_LEN; j++)
15021 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15022 for(j=0; j<2*MOVE_LEN; j++)
15023 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15024 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15025 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15026 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15027 pvInfoList[firstMove+i-1].depth = 0;
15028 commentList[framePtr+i] = commentList[firstMove+i];
15029 commentList[firstMove+i] = NULL;
15033 forwardMostMove = currentMove; // truncte game so we can start variation
15034 if(storedGames == 1) GreyRevert(FALSE);
15038 PopTail(Boolean annotate)
15041 char buf[8000], moveBuf[20];
15043 if(appData.icsActive) return FALSE; // only in local mode
15044 if(!storedGames) return FALSE; // sanity
15047 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15048 nrMoves = savedLast[storedGames] - currentMove;
15051 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15052 else strcpy(buf, "(");
15053 for(i=currentMove; i<forwardMostMove; i++) {
15055 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15056 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15057 strcat(buf, moveBuf);
15058 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15062 for(i=1; i<nrMoves; i++) { // copy last variation back
15063 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15064 for(j=0; j<MOVE_LEN; j++)
15065 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15066 for(j=0; j<2*MOVE_LEN; j++)
15067 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15068 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15069 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15070 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15071 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15072 commentList[currentMove+i] = commentList[framePtr+i];
15073 commentList[framePtr+i] = NULL;
15075 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15076 framePtr = savedFramePtr[storedGames];
15077 gameInfo.result = savedResult[storedGames];
15078 if(gameInfo.resultDetails != NULL) {
15079 free(gameInfo.resultDetails);
15081 gameInfo.resultDetails = savedDetails[storedGames];
15082 forwardMostMove = currentMove + nrMoves;
15083 if(storedGames == 0) GreyRevert(TRUE);
15089 { // remove all shelved variations
15091 for(i=0; i<storedGames; i++) {
15092 if(savedDetails[i])
15093 free(savedDetails[i]);
15094 savedDetails[i] = NULL;
15096 for(i=framePtr; i<MAX_MOVES; i++) {
15097 if(commentList[i]) free(commentList[i]);
15098 commentList[i] = NULL;
15100 framePtr = MAX_MOVES-1;