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, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2744 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2745 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2746 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2748 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2749 chattingPartner = -1;
2751 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2752 for(p=0; p<MAX_CHAT; p++) {
2753 if(channel == atoi(chatPartner[p])) {
2754 talker[0] = '['; strcat(talker, "] ");
2755 chattingPartner = p; break;
2758 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2759 for(p=0; p<MAX_CHAT; p++) {
2760 if(!strcmp("WHISPER", chatPartner[p])) {
2761 talker[0] = '['; strcat(talker, "] ");
2762 chattingPartner = p; break;
2765 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2766 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2768 chattingPartner = p; break;
2770 if(chattingPartner<0) i = oldi; else {
2771 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2772 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2773 started = STARTED_COMMENT;
2774 parse_pos = 0; parse[0] = NULLCHAR;
2775 savingComment = 3 + chattingPartner; // counts as TRUE
2776 suppressKibitz = TRUE;
2779 } // [HGM] chat: end of patch
2781 if (appData.zippyTalk || appData.zippyPlay) {
2782 /* [DM] Backup address for color zippy lines */
2786 if (loggedOn == TRUE)
2787 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2788 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2790 if (ZippyControl(buf, &i) ||
2791 ZippyConverse(buf, &i) ||
2792 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2794 if (!appData.colorize) continue;
2798 } // [DM] 'else { ' deleted
2800 /* Regular tells and says */
2801 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2802 looking_at(buf, &i, "* (your partner) tells you: ") ||
2803 looking_at(buf, &i, "* says: ") ||
2804 /* Don't color "message" or "messages" output */
2805 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2806 looking_at(buf, &i, "*. * at *:*: ") ||
2807 looking_at(buf, &i, "--* (*:*): ") ||
2808 /* Message notifications (same color as tells) */
2809 looking_at(buf, &i, "* has left a message ") ||
2810 looking_at(buf, &i, "* just sent you a message:\n") ||
2811 /* Whispers and kibitzes */
2812 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2813 looking_at(buf, &i, "* kibitzes: ") ||
2815 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2817 if (tkind == 1 && strchr(star_match[0], ':')) {
2818 /* Avoid "tells you:" spoofs in channels */
2821 if (star_match[0][0] == NULLCHAR ||
2822 strchr(star_match[0], ' ') ||
2823 (tkind == 3 && strchr(star_match[1], ' '))) {
2824 /* Reject bogus matches */
2827 if (appData.colorize) {
2828 if (oldi > next_out) {
2829 SendToPlayer(&buf[next_out], oldi - next_out);
2834 Colorize(ColorTell, FALSE);
2835 curColor = ColorTell;
2838 Colorize(ColorKibitz, FALSE);
2839 curColor = ColorKibitz;
2842 p = strrchr(star_match[1], '(');
2849 Colorize(ColorChannel1, FALSE);
2850 curColor = ColorChannel1;
2852 Colorize(ColorChannel, FALSE);
2853 curColor = ColorChannel;
2857 curColor = ColorNormal;
2861 if (started == STARTED_NONE && appData.autoComment &&
2862 (gameMode == IcsObserving ||
2863 gameMode == IcsPlayingWhite ||
2864 gameMode == IcsPlayingBlack)) {
2865 parse_pos = i - oldi;
2866 memcpy(parse, &buf[oldi], parse_pos);
2867 parse[parse_pos] = NULLCHAR;
2868 started = STARTED_COMMENT;
2869 savingComment = TRUE;
2871 started = STARTED_CHATTER;
2872 savingComment = FALSE;
2879 if (looking_at(buf, &i, "* s-shouts: ") ||
2880 looking_at(buf, &i, "* c-shouts: ")) {
2881 if (appData.colorize) {
2882 if (oldi > next_out) {
2883 SendToPlayer(&buf[next_out], oldi - next_out);
2886 Colorize(ColorSShout, FALSE);
2887 curColor = ColorSShout;
2890 started = STARTED_CHATTER;
2894 if (looking_at(buf, &i, "--->")) {
2899 if (looking_at(buf, &i, "* shouts: ") ||
2900 looking_at(buf, &i, "--> ")) {
2901 if (appData.colorize) {
2902 if (oldi > next_out) {
2903 SendToPlayer(&buf[next_out], oldi - next_out);
2906 Colorize(ColorShout, FALSE);
2907 curColor = ColorShout;
2910 started = STARTED_CHATTER;
2914 if (looking_at( buf, &i, "Challenge:")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorChallenge, FALSE);
2921 curColor = ColorChallenge;
2927 if (looking_at(buf, &i, "* offers you") ||
2928 looking_at(buf, &i, "* offers to be") ||
2929 looking_at(buf, &i, "* would like to") ||
2930 looking_at(buf, &i, "* requests to") ||
2931 looking_at(buf, &i, "Your opponent offers") ||
2932 looking_at(buf, &i, "Your opponent requests")) {
2934 if (appData.colorize) {
2935 if (oldi > next_out) {
2936 SendToPlayer(&buf[next_out], oldi - next_out);
2939 Colorize(ColorRequest, FALSE);
2940 curColor = ColorRequest;
2945 if (looking_at(buf, &i, "* (*) seeking")) {
2946 if (appData.colorize) {
2947 if (oldi > next_out) {
2948 SendToPlayer(&buf[next_out], oldi - next_out);
2951 Colorize(ColorSeek, FALSE);
2952 curColor = ColorSeek;
2957 if (looking_at(buf, &i, "\\ ")) {
2958 if (prevColor != ColorNormal) {
2959 if (oldi > next_out) {
2960 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(prevColor, TRUE);
2964 curColor = prevColor;
2966 if (savingComment) {
2967 parse_pos = i - oldi;
2968 memcpy(parse, &buf[oldi], parse_pos);
2969 parse[parse_pos] = NULLCHAR;
2970 started = STARTED_COMMENT;
2971 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2972 chattingPartner = savingComment - 3; // kludge to remember the box
2974 started = STARTED_CHATTER;
2979 if (looking_at(buf, &i, "Black Strength :") ||
2980 looking_at(buf, &i, "<<< style 10 board >>>") ||
2981 looking_at(buf, &i, "<10>") ||
2982 looking_at(buf, &i, "#@#")) {
2983 /* Wrong board style */
2985 SendToICS(ics_prefix);
2986 SendToICS("set style 12\n");
2987 SendToICS(ics_prefix);
2988 SendToICS("refresh\n");
2992 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2994 have_sent_ICS_logon = 1;
2998 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2999 (looking_at(buf, &i, "\n<12> ") ||
3000 looking_at(buf, &i, "<12> "))) {
3002 if (oldi > next_out) {
3003 SendToPlayer(&buf[next_out], oldi - next_out);
3006 started = STARTED_BOARD;
3011 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3012 looking_at(buf, &i, "<b1> ")) {
3013 if (oldi > next_out) {
3014 SendToPlayer(&buf[next_out], oldi - next_out);
3017 started = STARTED_HOLDINGS;
3022 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3024 /* Header for a move list -- first line */
3026 switch (ics_getting_history) {
3030 case BeginningOfGame:
3031 /* User typed "moves" or "oldmoves" while we
3032 were idle. Pretend we asked for these
3033 moves and soak them up so user can step
3034 through them and/or save them.
3037 gameMode = IcsObserving;
3040 ics_getting_history = H_GOT_UNREQ_HEADER;
3042 case EditGame: /*?*/
3043 case EditPosition: /*?*/
3044 /* Should above feature work in these modes too? */
3045 /* For now it doesn't */
3046 ics_getting_history = H_GOT_UNWANTED_HEADER;
3049 ics_getting_history = H_GOT_UNWANTED_HEADER;
3054 /* Is this the right one? */
3055 if (gameInfo.white && gameInfo.black &&
3056 strcmp(gameInfo.white, star_match[0]) == 0 &&
3057 strcmp(gameInfo.black, star_match[2]) == 0) {
3059 ics_getting_history = H_GOT_REQ_HEADER;
3062 case H_GOT_REQ_HEADER:
3063 case H_GOT_UNREQ_HEADER:
3064 case H_GOT_UNWANTED_HEADER:
3065 case H_GETTING_MOVES:
3066 /* Should not happen */
3067 DisplayError(_("Error gathering move list: two headers"), 0);
3068 ics_getting_history = H_FALSE;
3072 /* Save player ratings into gameInfo if needed */
3073 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3074 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3075 (gameInfo.whiteRating == -1 ||
3076 gameInfo.blackRating == -1)) {
3078 gameInfo.whiteRating = string_to_rating(star_match[1]);
3079 gameInfo.blackRating = string_to_rating(star_match[3]);
3080 if (appData.debugMode)
3081 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3082 gameInfo.whiteRating, gameInfo.blackRating);
3087 if (looking_at(buf, &i,
3088 "* * match, initial time: * minute*, increment: * second")) {
3089 /* Header for a move list -- second line */
3090 /* Initial board will follow if this is a wild game */
3091 if (gameInfo.event != NULL) free(gameInfo.event);
3092 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3093 gameInfo.event = StrSave(str);
3094 /* [HGM] we switched variant. Translate boards if needed. */
3095 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3099 if (looking_at(buf, &i, "Move ")) {
3100 /* Beginning of a move list */
3101 switch (ics_getting_history) {
3103 /* Normally should not happen */
3104 /* Maybe user hit reset while we were parsing */
3107 /* Happens if we are ignoring a move list that is not
3108 * the one we just requested. Common if the user
3109 * tries to observe two games without turning off
3112 case H_GETTING_MOVES:
3113 /* Should not happen */
3114 DisplayError(_("Error gathering move list: nested"), 0);
3115 ics_getting_history = H_FALSE;
3117 case H_GOT_REQ_HEADER:
3118 ics_getting_history = H_GETTING_MOVES;
3119 started = STARTED_MOVES;
3121 if (oldi > next_out) {
3122 SendToPlayer(&buf[next_out], oldi - next_out);
3125 case H_GOT_UNREQ_HEADER:
3126 ics_getting_history = H_GETTING_MOVES;
3127 started = STARTED_MOVES_NOHIDE;
3130 case H_GOT_UNWANTED_HEADER:
3131 ics_getting_history = H_FALSE;
3137 if (looking_at(buf, &i, "% ") ||
3138 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3139 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3140 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3141 soughtPending = FALSE;
3145 if(suppressKibitz) next_out = i;
3146 savingComment = FALSE;
3150 case STARTED_MOVES_NOHIDE:
3151 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3152 parse[parse_pos + i - oldi] = NULLCHAR;
3153 ParseGameHistory(parse);
3155 if (appData.zippyPlay && first.initDone) {
3156 FeedMovesToProgram(&first, forwardMostMove);
3157 if (gameMode == IcsPlayingWhite) {
3158 if (WhiteOnMove(forwardMostMove)) {
3159 if (first.sendTime) {
3160 if (first.useColors) {
3161 SendToProgram("black\n", &first);
3163 SendTimeRemaining(&first, TRUE);
3165 if (first.useColors) {
3166 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3168 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3169 first.maybeThinking = TRUE;
3171 if (first.usePlayother) {
3172 if (first.sendTime) {
3173 SendTimeRemaining(&first, TRUE);
3175 SendToProgram("playother\n", &first);
3181 } else if (gameMode == IcsPlayingBlack) {
3182 if (!WhiteOnMove(forwardMostMove)) {
3183 if (first.sendTime) {
3184 if (first.useColors) {
3185 SendToProgram("white\n", &first);
3187 SendTimeRemaining(&first, FALSE);
3189 if (first.useColors) {
3190 SendToProgram("black\n", &first);
3192 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3193 first.maybeThinking = TRUE;
3195 if (first.usePlayother) {
3196 if (first.sendTime) {
3197 SendTimeRemaining(&first, FALSE);
3199 SendToProgram("playother\n", &first);
3208 if (gameMode == IcsObserving && ics_gamenum == -1) {
3209 /* Moves came from oldmoves or moves command
3210 while we weren't doing anything else.
3212 currentMove = forwardMostMove;
3213 ClearHighlights();/*!!could figure this out*/
3214 flipView = appData.flipView;
3215 DrawPosition(TRUE, boards[currentMove]);
3216 DisplayBothClocks();
3217 sprintf(str, "%s vs. %s",
3218 gameInfo.white, gameInfo.black);
3222 /* Moves were history of an active game */
3223 if (gameInfo.resultDetails != NULL) {
3224 free(gameInfo.resultDetails);
3225 gameInfo.resultDetails = NULL;
3228 HistorySet(parseList, backwardMostMove,
3229 forwardMostMove, currentMove-1);
3230 DisplayMove(currentMove - 1);
3231 if (started == STARTED_MOVES) next_out = i;
3232 started = STARTED_NONE;
3233 ics_getting_history = H_FALSE;
3236 case STARTED_OBSERVE:
3237 started = STARTED_NONE;
3238 SendToICS(ics_prefix);
3239 SendToICS("refresh\n");
3245 if(bookHit) { // [HGM] book: simulate book reply
3246 static char bookMove[MSG_SIZ]; // a bit generous?
3248 programStats.nodes = programStats.depth = programStats.time =
3249 programStats.score = programStats.got_only_move = 0;
3250 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3252 strcpy(bookMove, "move ");
3253 strcat(bookMove, bookHit);
3254 HandleMachineMove(bookMove, &first);
3259 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3260 started == STARTED_HOLDINGS ||
3261 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3262 /* Accumulate characters in move list or board */
3263 parse[parse_pos++] = buf[i];
3266 /* Start of game messages. Mostly we detect start of game
3267 when the first board image arrives. On some versions
3268 of the ICS, though, we need to do a "refresh" after starting
3269 to observe in order to get the current board right away. */
3270 if (looking_at(buf, &i, "Adding game * to observation list")) {
3271 started = STARTED_OBSERVE;
3275 /* Handle auto-observe */
3276 if (appData.autoObserve &&
3277 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3278 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3280 /* Choose the player that was highlighted, if any. */
3281 if (star_match[0][0] == '\033' ||
3282 star_match[1][0] != '\033') {
3283 player = star_match[0];
3285 player = star_match[2];
3287 sprintf(str, "%sobserve %s\n",
3288 ics_prefix, StripHighlightAndTitle(player));
3291 /* Save ratings from notify string */
3292 strcpy(player1Name, star_match[0]);
3293 player1Rating = string_to_rating(star_match[1]);
3294 strcpy(player2Name, star_match[2]);
3295 player2Rating = string_to_rating(star_match[3]);
3297 if (appData.debugMode)
3299 "Ratings from 'Game notification:' %s %d, %s %d\n",
3300 player1Name, player1Rating,
3301 player2Name, player2Rating);
3306 /* Deal with automatic examine mode after a game,
3307 and with IcsObserving -> IcsExamining transition */
3308 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3309 looking_at(buf, &i, "has made you an examiner of game *")) {
3311 int gamenum = atoi(star_match[0]);
3312 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3313 gamenum == ics_gamenum) {
3314 /* We were already playing or observing this game;
3315 no need to refetch history */
3316 gameMode = IcsExamining;
3318 pauseExamForwardMostMove = forwardMostMove;
3319 } else if (currentMove < forwardMostMove) {
3320 ForwardInner(forwardMostMove);
3323 /* I don't think this case really can happen */
3324 SendToICS(ics_prefix);
3325 SendToICS("refresh\n");
3330 /* Error messages */
3331 // if (ics_user_moved) {
3332 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3333 if (looking_at(buf, &i, "Illegal move") ||
3334 looking_at(buf, &i, "Not a legal move") ||
3335 looking_at(buf, &i, "Your king is in check") ||
3336 looking_at(buf, &i, "It isn't your turn") ||
3337 looking_at(buf, &i, "It is not your move")) {
3339 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3340 currentMove = forwardMostMove-1;
3341 DisplayMove(currentMove - 1); /* before DMError */
3342 DrawPosition(FALSE, boards[currentMove]);
3343 SwitchClocks(forwardMostMove-1); // [HGM] race
3344 DisplayBothClocks();
3346 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3352 if (looking_at(buf, &i, "still have time") ||
3353 looking_at(buf, &i, "not out of time") ||
3354 looking_at(buf, &i, "either player is out of time") ||
3355 looking_at(buf, &i, "has timeseal; checking")) {
3356 /* We must have called his flag a little too soon */
3357 whiteFlag = blackFlag = FALSE;
3361 if (looking_at(buf, &i, "added * seconds to") ||
3362 looking_at(buf, &i, "seconds were added to")) {
3363 /* Update the clocks */
3364 SendToICS(ics_prefix);
3365 SendToICS("refresh\n");
3369 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3370 ics_clock_paused = TRUE;
3375 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3376 ics_clock_paused = FALSE;
3381 /* Grab player ratings from the Creating: message.
3382 Note we have to check for the special case when
3383 the ICS inserts things like [white] or [black]. */
3384 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3385 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3387 0 player 1 name (not necessarily white)
3389 2 empty, white, or black (IGNORED)
3390 3 player 2 name (not necessarily black)
3393 The names/ratings are sorted out when the game
3394 actually starts (below).
3396 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3397 player1Rating = string_to_rating(star_match[1]);
3398 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3399 player2Rating = string_to_rating(star_match[4]);
3401 if (appData.debugMode)
3403 "Ratings from 'Creating:' %s %d, %s %d\n",
3404 player1Name, player1Rating,
3405 player2Name, player2Rating);
3410 /* Improved generic start/end-of-game messages */
3411 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3412 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3413 /* If tkind == 0: */
3414 /* star_match[0] is the game number */
3415 /* [1] is the white player's name */
3416 /* [2] is the black player's name */
3417 /* For end-of-game: */
3418 /* [3] is the reason for the game end */
3419 /* [4] is a PGN end game-token, preceded by " " */
3420 /* For start-of-game: */
3421 /* [3] begins with "Creating" or "Continuing" */
3422 /* [4] is " *" or empty (don't care). */
3423 int gamenum = atoi(star_match[0]);
3424 char *whitename, *blackname, *why, *endtoken;
3425 ChessMove endtype = (ChessMove) 0;
3428 whitename = star_match[1];
3429 blackname = star_match[2];
3430 why = star_match[3];
3431 endtoken = star_match[4];
3433 whitename = star_match[1];
3434 blackname = star_match[3];
3435 why = star_match[5];
3436 endtoken = star_match[6];
3439 /* Game start messages */
3440 if (strncmp(why, "Creating ", 9) == 0 ||
3441 strncmp(why, "Continuing ", 11) == 0) {
3442 gs_gamenum = gamenum;
3443 strcpy(gs_kind, strchr(why, ' ') + 1);
3444 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3446 if (appData.zippyPlay) {
3447 ZippyGameStart(whitename, blackname);
3453 /* Game end messages */
3454 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3455 ics_gamenum != gamenum) {
3458 while (endtoken[0] == ' ') endtoken++;
3459 switch (endtoken[0]) {
3462 endtype = GameUnfinished;
3465 endtype = BlackWins;
3468 if (endtoken[1] == '/')
3469 endtype = GameIsDrawn;
3471 endtype = WhiteWins;
3474 GameEnds(endtype, why, GE_ICS);
3476 if (appData.zippyPlay && first.initDone) {
3477 ZippyGameEnd(endtype, why);
3478 if (first.pr == NULL) {
3479 /* Start the next process early so that we'll
3480 be ready for the next challenge */
3481 StartChessProgram(&first);
3483 /* Send "new" early, in case this command takes
3484 a long time to finish, so that we'll be ready
3485 for the next challenge. */
3486 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3493 if (looking_at(buf, &i, "Removing game * from observation") ||
3494 looking_at(buf, &i, "no longer observing game *") ||
3495 looking_at(buf, &i, "Game * (*) has no examiners")) {
3496 if (gameMode == IcsObserving &&
3497 atoi(star_match[0]) == ics_gamenum)
3499 /* icsEngineAnalyze */
3500 if (appData.icsEngineAnalyze) {
3507 ics_user_moved = FALSE;
3512 if (looking_at(buf, &i, "no longer examining game *")) {
3513 if (gameMode == IcsExamining &&
3514 atoi(star_match[0]) == ics_gamenum)
3518 ics_user_moved = FALSE;
3523 /* Advance leftover_start past any newlines we find,
3524 so only partial lines can get reparsed */
3525 if (looking_at(buf, &i, "\n")) {
3526 prevColor = curColor;
3527 if (curColor != ColorNormal) {
3528 if (oldi > next_out) {
3529 SendToPlayer(&buf[next_out], oldi - next_out);
3532 Colorize(ColorNormal, FALSE);
3533 curColor = ColorNormal;
3535 if (started == STARTED_BOARD) {
3536 started = STARTED_NONE;
3537 parse[parse_pos] = NULLCHAR;
3538 ParseBoard12(parse);
3541 /* Send premove here */
3542 if (appData.premove) {
3544 if (currentMove == 0 &&
3545 gameMode == IcsPlayingWhite &&
3546 appData.premoveWhite) {
3547 sprintf(str, "%s\n", appData.premoveWhiteText);
3548 if (appData.debugMode)
3549 fprintf(debugFP, "Sending premove:\n");
3551 } else if (currentMove == 1 &&
3552 gameMode == IcsPlayingBlack &&
3553 appData.premoveBlack) {
3554 sprintf(str, "%s\n", appData.premoveBlackText);
3555 if (appData.debugMode)
3556 fprintf(debugFP, "Sending premove:\n");
3558 } else if (gotPremove) {
3560 ClearPremoveHighlights();
3561 if (appData.debugMode)
3562 fprintf(debugFP, "Sending premove:\n");
3563 UserMoveEvent(premoveFromX, premoveFromY,
3564 premoveToX, premoveToY,
3569 /* Usually suppress following prompt */
3570 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3571 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3572 if (looking_at(buf, &i, "*% ")) {
3573 savingComment = FALSE;
3578 } else if (started == STARTED_HOLDINGS) {
3580 char new_piece[MSG_SIZ];
3581 started = STARTED_NONE;
3582 parse[parse_pos] = NULLCHAR;
3583 if (appData.debugMode)
3584 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3585 parse, currentMove);
3586 if (sscanf(parse, " game %d", &gamenum) == 1) {
3587 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3588 if (gameInfo.variant == VariantNormal) {
3589 /* [HGM] We seem to switch variant during a game!
3590 * Presumably no holdings were displayed, so we have
3591 * to move the position two files to the right to
3592 * create room for them!
3594 VariantClass newVariant;
3595 switch(gameInfo.boardWidth) { // base guess on board width
3596 case 9: newVariant = VariantShogi; break;
3597 case 10: newVariant = VariantGreat; break;
3598 default: newVariant = VariantCrazyhouse; break;
3600 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3601 /* Get a move list just to see the header, which
3602 will tell us whether this is really bug or zh */
3603 if (ics_getting_history == H_FALSE) {
3604 ics_getting_history = H_REQUESTED;
3605 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3609 new_piece[0] = NULLCHAR;
3610 sscanf(parse, "game %d white [%s black [%s <- %s",
3611 &gamenum, white_holding, black_holding,
3613 white_holding[strlen(white_holding)-1] = NULLCHAR;
3614 black_holding[strlen(black_holding)-1] = NULLCHAR;
3615 /* [HGM] copy holdings to board holdings area */
3616 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3617 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3618 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3620 if (appData.zippyPlay && first.initDone) {
3621 ZippyHoldings(white_holding, black_holding,
3625 if (tinyLayout || smallLayout) {
3626 char wh[16], bh[16];
3627 PackHolding(wh, white_holding);
3628 PackHolding(bh, black_holding);
3629 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3630 gameInfo.white, gameInfo.black);
3632 sprintf(str, "%s [%s] vs. %s [%s]",
3633 gameInfo.white, white_holding,
3634 gameInfo.black, black_holding);
3637 DrawPosition(FALSE, boards[currentMove]);
3639 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3640 sscanf(parse, "game %d white [%s black [%s <- %s",
3641 &gamenum, white_holding, black_holding,
3643 white_holding[strlen(white_holding)-1] = NULLCHAR;
3644 black_holding[strlen(black_holding)-1] = NULLCHAR;
3645 /* [HGM] copy holdings to partner-board holdings area */
3646 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3647 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3648 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3651 /* Suppress following prompt */
3652 if (looking_at(buf, &i, "*% ")) {
3653 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3654 savingComment = FALSE;
3662 i++; /* skip unparsed character and loop back */
3665 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3666 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3667 // SendToPlayer(&buf[next_out], i - next_out);
3668 started != STARTED_HOLDINGS && leftover_start > next_out) {
3669 SendToPlayer(&buf[next_out], leftover_start - next_out);
3673 leftover_len = buf_len - leftover_start;
3674 /* if buffer ends with something we couldn't parse,
3675 reparse it after appending the next read */
3677 } else if (count == 0) {
3678 RemoveInputSource(isr);
3679 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3681 DisplayFatalError(_("Error reading from ICS"), error, 1);
3686 /* Board style 12 looks like this:
3688 <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
3690 * The "<12> " is stripped before it gets to this routine. The two
3691 * trailing 0's (flip state and clock ticking) are later addition, and
3692 * some chess servers may not have them, or may have only the first.
3693 * Additional trailing fields may be added in the future.
3696 #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"
3698 #define RELATION_OBSERVING_PLAYED 0
3699 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3700 #define RELATION_PLAYING_MYMOVE 1
3701 #define RELATION_PLAYING_NOTMYMOVE -1
3702 #define RELATION_EXAMINING 2
3703 #define RELATION_ISOLATED_BOARD -3
3704 #define RELATION_STARTING_POSITION -4 /* FICS only */
3707 ParseBoard12(string)
3710 GameMode newGameMode;
3711 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3712 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3713 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3714 char to_play, board_chars[200];
3715 char move_str[500], str[500], elapsed_time[500];
3716 char black[32], white[32];
3718 int prevMove = currentMove;
3721 int fromX, fromY, toX, toY;
3723 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3724 char *bookHit = NULL; // [HGM] book
3725 Boolean weird = FALSE, reqFlag = FALSE;
3727 fromX = fromY = toX = toY = -1;
3731 if (appData.debugMode)
3732 fprintf(debugFP, _("Parsing board: %s\n"), string);
3734 move_str[0] = NULLCHAR;
3735 elapsed_time[0] = NULLCHAR;
3736 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3738 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3739 if(string[i] == ' ') { ranks++; files = 0; }
3741 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3744 for(j = 0; j <i; j++) board_chars[j] = string[j];
3745 board_chars[i] = '\0';
3748 n = sscanf(string, PATTERN, &to_play, &double_push,
3749 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3750 &gamenum, white, black, &relation, &basetime, &increment,
3751 &white_stren, &black_stren, &white_time, &black_time,
3752 &moveNum, str, elapsed_time, move_str, &ics_flip,
3756 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3757 DisplayError(str, 0);
3761 /* Convert the move number to internal form */
3762 moveNum = (moveNum - 1) * 2;
3763 if (to_play == 'B') moveNum++;
3764 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3765 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3771 case RELATION_OBSERVING_PLAYED:
3772 case RELATION_OBSERVING_STATIC:
3773 if (gamenum == -1) {
3774 /* Old ICC buglet */
3775 relation = RELATION_OBSERVING_STATIC;
3777 newGameMode = IcsObserving;
3779 case RELATION_PLAYING_MYMOVE:
3780 case RELATION_PLAYING_NOTMYMOVE:
3782 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3783 IcsPlayingWhite : IcsPlayingBlack;
3785 case RELATION_EXAMINING:
3786 newGameMode = IcsExamining;
3788 case RELATION_ISOLATED_BOARD:
3790 /* Just display this board. If user was doing something else,
3791 we will forget about it until the next board comes. */
3792 newGameMode = IcsIdle;
3794 case RELATION_STARTING_POSITION:
3795 newGameMode = gameMode;
3799 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3800 && newGameMode == IcsObserving && appData.bgObserve) {
3801 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3803 for (k = 0; k < ranks; k++) {
3804 for (j = 0; j < files; j++)
3805 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3806 if(gameInfo.holdingsWidth > 1) {
3807 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3808 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3811 CopyBoard(partnerBoard, board);
3812 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3813 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3814 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3815 DisplayMessage(buf, "");
3819 /* Modify behavior for initial board display on move listing
3822 switch (ics_getting_history) {
3826 case H_GOT_REQ_HEADER:
3827 case H_GOT_UNREQ_HEADER:
3828 /* This is the initial position of the current game */
3829 gamenum = ics_gamenum;
3830 moveNum = 0; /* old ICS bug workaround */
3831 if (to_play == 'B') {
3832 startedFromSetupPosition = TRUE;
3833 blackPlaysFirst = TRUE;
3835 if (forwardMostMove == 0) forwardMostMove = 1;
3836 if (backwardMostMove == 0) backwardMostMove = 1;
3837 if (currentMove == 0) currentMove = 1;
3839 newGameMode = gameMode;
3840 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3842 case H_GOT_UNWANTED_HEADER:
3843 /* This is an initial board that we don't want */
3845 case H_GETTING_MOVES:
3846 /* Should not happen */
3847 DisplayError(_("Error gathering move list: extra board"), 0);
3848 ics_getting_history = H_FALSE;
3852 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3853 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3854 /* [HGM] We seem to have switched variant unexpectedly
3855 * Try to guess new variant from board size
3857 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3858 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3859 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3860 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3861 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3862 if(!weird) newVariant = VariantNormal;
3863 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3864 /* Get a move list just to see the header, which
3865 will tell us whether this is really bug or zh */
3866 if (ics_getting_history == H_FALSE) {
3867 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3868 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3873 /* Take action if this is the first board of a new game, or of a
3874 different game than is currently being displayed. */
3875 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3876 relation == RELATION_ISOLATED_BOARD) {
3878 /* Forget the old game and get the history (if any) of the new one */
3879 if (gameMode != BeginningOfGame) {
3883 if (appData.autoRaiseBoard) BoardToTop();
3885 if (gamenum == -1) {
3886 newGameMode = IcsIdle;
3887 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3888 appData.getMoveList && !reqFlag) {
3889 /* Need to get game history */
3890 ics_getting_history = H_REQUESTED;
3891 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3895 /* Initially flip the board to have black on the bottom if playing
3896 black or if the ICS flip flag is set, but let the user change
3897 it with the Flip View button. */
3898 flipView = appData.autoFlipView ?
3899 (newGameMode == IcsPlayingBlack) || ics_flip :
3902 /* Done with values from previous mode; copy in new ones */
3903 gameMode = newGameMode;
3905 ics_gamenum = gamenum;
3906 if (gamenum == gs_gamenum) {
3907 int klen = strlen(gs_kind);
3908 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3909 sprintf(str, "ICS %s", gs_kind);
3910 gameInfo.event = StrSave(str);
3912 gameInfo.event = StrSave("ICS game");
3914 gameInfo.site = StrSave(appData.icsHost);
3915 gameInfo.date = PGNDate();
3916 gameInfo.round = StrSave("-");
3917 gameInfo.white = StrSave(white);
3918 gameInfo.black = StrSave(black);
3919 timeControl = basetime * 60 * 1000;
3921 timeIncrement = increment * 1000;
3922 movesPerSession = 0;
3923 gameInfo.timeControl = TimeControlTagValue();
3924 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3925 if (appData.debugMode) {
3926 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3927 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3928 setbuf(debugFP, NULL);
3931 gameInfo.outOfBook = NULL;
3933 /* Do we have the ratings? */
3934 if (strcmp(player1Name, white) == 0 &&
3935 strcmp(player2Name, black) == 0) {
3936 if (appData.debugMode)
3937 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3938 player1Rating, player2Rating);
3939 gameInfo.whiteRating = player1Rating;
3940 gameInfo.blackRating = player2Rating;
3941 } else if (strcmp(player2Name, white) == 0 &&
3942 strcmp(player1Name, black) == 0) {
3943 if (appData.debugMode)
3944 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3945 player2Rating, player1Rating);
3946 gameInfo.whiteRating = player2Rating;
3947 gameInfo.blackRating = player1Rating;
3949 player1Name[0] = player2Name[0] = NULLCHAR;
3951 /* Silence shouts if requested */
3952 if (appData.quietPlay &&
3953 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3954 SendToICS(ics_prefix);
3955 SendToICS("set shout 0\n");
3959 /* Deal with midgame name changes */
3961 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3962 if (gameInfo.white) free(gameInfo.white);
3963 gameInfo.white = StrSave(white);
3965 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3966 if (gameInfo.black) free(gameInfo.black);
3967 gameInfo.black = StrSave(black);
3971 /* Throw away game result if anything actually changes in examine mode */
3972 if (gameMode == IcsExamining && !newGame) {
3973 gameInfo.result = GameUnfinished;
3974 if (gameInfo.resultDetails != NULL) {
3975 free(gameInfo.resultDetails);
3976 gameInfo.resultDetails = NULL;
3980 /* In pausing && IcsExamining mode, we ignore boards coming
3981 in if they are in a different variation than we are. */
3982 if (pauseExamInvalid) return;
3983 if (pausing && gameMode == IcsExamining) {
3984 if (moveNum <= pauseExamForwardMostMove) {
3985 pauseExamInvalid = TRUE;
3986 forwardMostMove = pauseExamForwardMostMove;
3991 if (appData.debugMode) {
3992 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3994 /* Parse the board */
3995 for (k = 0; k < ranks; k++) {
3996 for (j = 0; j < files; j++)
3997 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3998 if(gameInfo.holdingsWidth > 1) {
3999 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4000 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4003 CopyBoard(boards[moveNum], board);
4004 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4006 startedFromSetupPosition =
4007 !CompareBoards(board, initialPosition);
4008 if(startedFromSetupPosition)
4009 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4012 /* [HGM] Set castling rights. Take the outermost Rooks,
4013 to make it also work for FRC opening positions. Note that board12
4014 is really defective for later FRC positions, as it has no way to
4015 indicate which Rook can castle if they are on the same side of King.
4016 For the initial position we grant rights to the outermost Rooks,
4017 and remember thos rights, and we then copy them on positions
4018 later in an FRC game. This means WB might not recognize castlings with
4019 Rooks that have moved back to their original position as illegal,
4020 but in ICS mode that is not its job anyway.
4022 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4023 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4025 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4026 if(board[0][i] == WhiteRook) j = i;
4027 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4028 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4029 if(board[0][i] == WhiteRook) j = i;
4030 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4031 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4032 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4033 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4034 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4035 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4036 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4038 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4039 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4040 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4041 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4042 if(board[BOARD_HEIGHT-1][k] == bKing)
4043 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4044 if(gameInfo.variant == VariantTwoKings) {
4045 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4046 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4047 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4050 r = boards[moveNum][CASTLING][0] = initialRights[0];
4051 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4052 r = boards[moveNum][CASTLING][1] = initialRights[1];
4053 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4054 r = boards[moveNum][CASTLING][3] = initialRights[3];
4055 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4056 r = boards[moveNum][CASTLING][4] = initialRights[4];
4057 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4058 /* wildcastle kludge: always assume King has rights */
4059 r = boards[moveNum][CASTLING][2] = initialRights[2];
4060 r = boards[moveNum][CASTLING][5] = initialRights[5];
4062 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4063 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4066 if (ics_getting_history == H_GOT_REQ_HEADER ||
4067 ics_getting_history == H_GOT_UNREQ_HEADER) {
4068 /* This was an initial position from a move list, not
4069 the current position */
4073 /* Update currentMove and known move number limits */
4074 newMove = newGame || moveNum > forwardMostMove;
4077 forwardMostMove = backwardMostMove = currentMove = moveNum;
4078 if (gameMode == IcsExamining && moveNum == 0) {
4079 /* Workaround for ICS limitation: we are not told the wild
4080 type when starting to examine a game. But if we ask for
4081 the move list, the move list header will tell us */
4082 ics_getting_history = H_REQUESTED;
4083 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4086 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4087 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4089 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4090 /* [HGM] applied this also to an engine that is silently watching */
4091 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4092 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4093 gameInfo.variant == currentlyInitializedVariant) {
4094 takeback = forwardMostMove - moveNum;
4095 for (i = 0; i < takeback; i++) {
4096 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4097 SendToProgram("undo\n", &first);
4102 forwardMostMove = moveNum;
4103 if (!pausing || currentMove > forwardMostMove)
4104 currentMove = forwardMostMove;
4106 /* New part of history that is not contiguous with old part */
4107 if (pausing && gameMode == IcsExamining) {
4108 pauseExamInvalid = TRUE;
4109 forwardMostMove = pauseExamForwardMostMove;
4112 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4114 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4115 // [HGM] when we will receive the move list we now request, it will be
4116 // fed to the engine from the first move on. So if the engine is not
4117 // in the initial position now, bring it there.
4118 InitChessProgram(&first, 0);
4121 ics_getting_history = H_REQUESTED;
4122 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4125 forwardMostMove = backwardMostMove = currentMove = moveNum;
4128 /* Update the clocks */
4129 if (strchr(elapsed_time, '.')) {
4131 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4132 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4134 /* Time is in seconds */
4135 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4136 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4141 if (appData.zippyPlay && newGame &&
4142 gameMode != IcsObserving && gameMode != IcsIdle &&
4143 gameMode != IcsExamining)
4144 ZippyFirstBoard(moveNum, basetime, increment);
4147 /* Put the move on the move list, first converting
4148 to canonical algebraic form. */
4150 if (appData.debugMode) {
4151 if (appData.debugMode) { int f = forwardMostMove;
4152 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4153 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4154 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4156 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4157 fprintf(debugFP, "moveNum = %d\n", moveNum);
4158 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4159 setbuf(debugFP, NULL);
4161 if (moveNum <= backwardMostMove) {
4162 /* We don't know what the board looked like before
4164 strcpy(parseList[moveNum - 1], move_str);
4165 strcat(parseList[moveNum - 1], " ");
4166 strcat(parseList[moveNum - 1], elapsed_time);
4167 moveList[moveNum - 1][0] = NULLCHAR;
4168 } else if (strcmp(move_str, "none") == 0) {
4169 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4170 /* Again, we don't know what the board looked like;
4171 this is really the start of the game. */
4172 parseList[moveNum - 1][0] = NULLCHAR;
4173 moveList[moveNum - 1][0] = NULLCHAR;
4174 backwardMostMove = moveNum;
4175 startedFromSetupPosition = TRUE;
4176 fromX = fromY = toX = toY = -1;
4178 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4179 // So we parse the long-algebraic move string in stead of the SAN move
4180 int valid; char buf[MSG_SIZ], *prom;
4182 // str looks something like "Q/a1-a2"; kill the slash
4184 sprintf(buf, "%c%s", str[0], str+2);
4185 else strcpy(buf, str); // might be castling
4186 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4187 strcat(buf, prom); // long move lacks promo specification!
4188 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4189 if(appData.debugMode)
4190 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4191 strcpy(move_str, buf);
4193 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4194 &fromX, &fromY, &toX, &toY, &promoChar)
4195 || ParseOneMove(buf, moveNum - 1, &moveType,
4196 &fromX, &fromY, &toX, &toY, &promoChar);
4197 // end of long SAN patch
4199 (void) CoordsToAlgebraic(boards[moveNum - 1],
4200 PosFlags(moveNum - 1),
4201 fromY, fromX, toY, toX, promoChar,
4202 parseList[moveNum-1]);
4203 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4209 if(gameInfo.variant != VariantShogi)
4210 strcat(parseList[moveNum - 1], "+");
4213 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4214 strcat(parseList[moveNum - 1], "#");
4217 strcat(parseList[moveNum - 1], " ");
4218 strcat(parseList[moveNum - 1], elapsed_time);
4219 /* currentMoveString is set as a side-effect of ParseOneMove */
4220 strcpy(moveList[moveNum - 1], currentMoveString);
4221 strcat(moveList[moveNum - 1], "\n");
4223 /* Move from ICS was illegal!? Punt. */
4224 if (appData.debugMode) {
4225 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4226 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4228 strcpy(parseList[moveNum - 1], move_str);
4229 strcat(parseList[moveNum - 1], " ");
4230 strcat(parseList[moveNum - 1], elapsed_time);
4231 moveList[moveNum - 1][0] = NULLCHAR;
4232 fromX = fromY = toX = toY = -1;
4235 if (appData.debugMode) {
4236 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4237 setbuf(debugFP, NULL);
4241 /* Send move to chess program (BEFORE animating it). */
4242 if (appData.zippyPlay && !newGame && newMove &&
4243 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4245 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4246 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4247 if (moveList[moveNum - 1][0] == NULLCHAR) {
4248 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4250 DisplayError(str, 0);
4252 if (first.sendTime) {
4253 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4255 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4256 if (firstMove && !bookHit) {
4258 if (first.useColors) {
4259 SendToProgram(gameMode == IcsPlayingWhite ?
4261 "black\ngo\n", &first);
4263 SendToProgram("go\n", &first);
4265 first.maybeThinking = TRUE;
4268 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4269 if (moveList[moveNum - 1][0] == NULLCHAR) {
4270 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4271 DisplayError(str, 0);
4273 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4274 SendMoveToProgram(moveNum - 1, &first);
4281 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4282 /* If move comes from a remote source, animate it. If it
4283 isn't remote, it will have already been animated. */
4284 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4285 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4287 if (!pausing && appData.highlightLastMove) {
4288 SetHighlights(fromX, fromY, toX, toY);
4292 /* Start the clocks */
4293 whiteFlag = blackFlag = FALSE;
4294 appData.clockMode = !(basetime == 0 && increment == 0);
4296 ics_clock_paused = TRUE;
4298 } else if (ticking == 1) {
4299 ics_clock_paused = FALSE;
4301 if (gameMode == IcsIdle ||
4302 relation == RELATION_OBSERVING_STATIC ||
4303 relation == RELATION_EXAMINING ||
4305 DisplayBothClocks();
4309 /* Display opponents and material strengths */
4310 if (gameInfo.variant != VariantBughouse &&
4311 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4312 if (tinyLayout || smallLayout) {
4313 if(gameInfo.variant == VariantNormal)
4314 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4315 gameInfo.white, white_stren, gameInfo.black, black_stren,
4316 basetime, increment);
4318 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4319 gameInfo.white, white_stren, gameInfo.black, black_stren,
4320 basetime, increment, (int) gameInfo.variant);
4322 if(gameInfo.variant == VariantNormal)
4323 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4324 gameInfo.white, white_stren, gameInfo.black, black_stren,
4325 basetime, increment);
4327 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4328 gameInfo.white, white_stren, gameInfo.black, black_stren,
4329 basetime, increment, VariantName(gameInfo.variant));
4332 if (appData.debugMode) {
4333 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4338 /* Display the board */
4339 if (!pausing && !appData.noGUI) {
4341 if (appData.premove)
4343 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4344 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4345 ClearPremoveHighlights();
4347 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4348 DrawPosition(j, boards[currentMove]);
4350 DisplayMove(moveNum - 1);
4351 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4352 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4353 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4354 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4358 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4360 if(bookHit) { // [HGM] book: simulate book reply
4361 static char bookMove[MSG_SIZ]; // a bit generous?
4363 programStats.nodes = programStats.depth = programStats.time =
4364 programStats.score = programStats.got_only_move = 0;
4365 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4367 strcpy(bookMove, "move ");
4368 strcat(bookMove, bookHit);
4369 HandleMachineMove(bookMove, &first);
4378 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4379 ics_getting_history = H_REQUESTED;
4380 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4386 AnalysisPeriodicEvent(force)
4389 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4390 && !force) || !appData.periodicUpdates)
4393 /* Send . command to Crafty to collect stats */
4394 SendToProgram(".\n", &first);
4396 /* Don't send another until we get a response (this makes
4397 us stop sending to old Crafty's which don't understand
4398 the "." command (sending illegal cmds resets node count & time,
4399 which looks bad)) */
4400 programStats.ok_to_send = 0;
4403 void ics_update_width(new_width)
4406 ics_printf("set width %d\n", new_width);
4410 SendMoveToProgram(moveNum, cps)
4412 ChessProgramState *cps;
4416 if (cps->useUsermove) {
4417 SendToProgram("usermove ", cps);
4421 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4422 int len = space - parseList[moveNum];
4423 memcpy(buf, parseList[moveNum], len);
4425 buf[len] = NULLCHAR;
4427 sprintf(buf, "%s\n", parseList[moveNum]);
4429 SendToProgram(buf, cps);
4431 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4432 AlphaRank(moveList[moveNum], 4);
4433 SendToProgram(moveList[moveNum], cps);
4434 AlphaRank(moveList[moveNum], 4); // and back
4436 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4437 * the engine. It would be nice to have a better way to identify castle
4439 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4440 && cps->useOOCastle) {
4441 int fromX = moveList[moveNum][0] - AAA;
4442 int fromY = moveList[moveNum][1] - ONE;
4443 int toX = moveList[moveNum][2] - AAA;
4444 int toY = moveList[moveNum][3] - ONE;
4445 if((boards[moveNum][fromY][fromX] == WhiteKing
4446 && boards[moveNum][toY][toX] == WhiteRook)
4447 || (boards[moveNum][fromY][fromX] == BlackKing
4448 && boards[moveNum][toY][toX] == BlackRook)) {
4449 if(toX > fromX) SendToProgram("O-O\n", cps);
4450 else SendToProgram("O-O-O\n", cps);
4452 else SendToProgram(moveList[moveNum], cps);
4454 else SendToProgram(moveList[moveNum], cps);
4455 /* End of additions by Tord */
4458 /* [HGM] setting up the opening has brought engine in force mode! */
4459 /* Send 'go' if we are in a mode where machine should play. */
4460 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4461 (gameMode == TwoMachinesPlay ||
4463 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4465 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4466 SendToProgram("go\n", cps);
4467 if (appData.debugMode) {
4468 fprintf(debugFP, "(extra)\n");
4471 setboardSpoiledMachineBlack = 0;
4475 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4477 int fromX, fromY, toX, toY;
4479 char user_move[MSG_SIZ];
4483 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4484 (int)moveType, fromX, fromY, toX, toY);
4485 DisplayError(user_move + strlen("say "), 0);
4487 case WhiteKingSideCastle:
4488 case BlackKingSideCastle:
4489 case WhiteQueenSideCastleWild:
4490 case BlackQueenSideCastleWild:
4492 case WhiteHSideCastleFR:
4493 case BlackHSideCastleFR:
4495 sprintf(user_move, "o-o\n");
4497 case WhiteQueenSideCastle:
4498 case BlackQueenSideCastle:
4499 case WhiteKingSideCastleWild:
4500 case BlackKingSideCastleWild:
4502 case WhiteASideCastleFR:
4503 case BlackASideCastleFR:
4505 sprintf(user_move, "o-o-o\n");
4507 case WhitePromotionQueen:
4508 case BlackPromotionQueen:
4509 case WhitePromotionRook:
4510 case BlackPromotionRook:
4511 case WhitePromotionBishop:
4512 case BlackPromotionBishop:
4513 case WhitePromotionKnight:
4514 case BlackPromotionKnight:
4515 case WhitePromotionKing:
4516 case BlackPromotionKing:
4517 case WhitePromotionChancellor:
4518 case BlackPromotionChancellor:
4519 case WhitePromotionArchbishop:
4520 case BlackPromotionArchbishop:
4521 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4522 sprintf(user_move, "%c%c%c%c=%c\n",
4523 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4524 PieceToChar(WhiteFerz));
4525 else if(gameInfo.variant == VariantGreat)
4526 sprintf(user_move, "%c%c%c%c=%c\n",
4527 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4528 PieceToChar(WhiteMan));
4530 sprintf(user_move, "%c%c%c%c=%c\n",
4531 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4532 PieceToChar(PromoPiece(moveType)));
4536 sprintf(user_move, "%c@%c%c\n",
4537 ToUpper(PieceToChar((ChessSquare) fromX)),
4538 AAA + toX, ONE + toY);
4541 case WhiteCapturesEnPassant:
4542 case BlackCapturesEnPassant:
4543 case IllegalMove: /* could be a variant we don't quite understand */
4544 sprintf(user_move, "%c%c%c%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4548 SendToICS(user_move);
4549 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4550 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4554 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4559 if (rf == DROP_RANK) {
4560 sprintf(move, "%c@%c%c\n",
4561 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4563 if (promoChar == 'x' || promoChar == NULLCHAR) {
4564 sprintf(move, "%c%c%c%c\n",
4565 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4567 sprintf(move, "%c%c%c%c%c\n",
4568 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4574 ProcessICSInitScript(f)
4579 while (fgets(buf, MSG_SIZ, f)) {
4580 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4587 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4589 AlphaRank(char *move, int n)
4591 // char *p = move, c; int x, y;
4593 if (appData.debugMode) {
4594 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4598 move[2]>='0' && move[2]<='9' &&
4599 move[3]>='a' && move[3]<='x' ) {
4601 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4602 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4604 if(move[0]>='0' && move[0]<='9' &&
4605 move[1]>='a' && move[1]<='x' &&
4606 move[2]>='0' && move[2]<='9' &&
4607 move[3]>='a' && move[3]<='x' ) {
4608 /* input move, Shogi -> normal */
4609 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4610 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4611 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4612 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4615 move[3]>='0' && move[3]<='9' &&
4616 move[2]>='a' && move[2]<='x' ) {
4618 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4619 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4622 move[0]>='a' && move[0]<='x' &&
4623 move[3]>='0' && move[3]<='9' &&
4624 move[2]>='a' && move[2]<='x' ) {
4625 /* output move, normal -> Shogi */
4626 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4627 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4628 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4629 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4630 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4632 if (appData.debugMode) {
4633 fprintf(debugFP, " out = '%s'\n", move);
4637 /* Parser for moves from gnuchess, ICS, or user typein box */
4639 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4642 ChessMove *moveType;
4643 int *fromX, *fromY, *toX, *toY;
4646 if (appData.debugMode) {
4647 fprintf(debugFP, "move to parse: %s\n", move);
4649 *moveType = yylexstr(moveNum, move);
4651 switch (*moveType) {
4652 case WhitePromotionChancellor:
4653 case BlackPromotionChancellor:
4654 case WhitePromotionArchbishop:
4655 case BlackPromotionArchbishop:
4656 case WhitePromotionQueen:
4657 case BlackPromotionQueen:
4658 case WhitePromotionRook:
4659 case BlackPromotionRook:
4660 case WhitePromotionBishop:
4661 case BlackPromotionBishop:
4662 case WhitePromotionKnight:
4663 case BlackPromotionKnight:
4664 case WhitePromotionKing:
4665 case BlackPromotionKing:
4667 case WhiteCapturesEnPassant:
4668 case BlackCapturesEnPassant:
4669 case WhiteKingSideCastle:
4670 case WhiteQueenSideCastle:
4671 case BlackKingSideCastle:
4672 case BlackQueenSideCastle:
4673 case WhiteKingSideCastleWild:
4674 case WhiteQueenSideCastleWild:
4675 case BlackKingSideCastleWild:
4676 case BlackQueenSideCastleWild:
4677 /* Code added by Tord: */
4678 case WhiteHSideCastleFR:
4679 case WhiteASideCastleFR:
4680 case BlackHSideCastleFR:
4681 case BlackASideCastleFR:
4682 /* End of code added by Tord */
4683 case IllegalMove: /* bug or odd chess variant */
4684 *fromX = currentMoveString[0] - AAA;
4685 *fromY = currentMoveString[1] - ONE;
4686 *toX = currentMoveString[2] - AAA;
4687 *toY = currentMoveString[3] - ONE;
4688 *promoChar = currentMoveString[4];
4689 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4690 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4691 if (appData.debugMode) {
4692 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4694 *fromX = *fromY = *toX = *toY = 0;
4697 if (appData.testLegality) {
4698 return (*moveType != IllegalMove);
4700 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4701 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4706 *fromX = *moveType == WhiteDrop ?
4707 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4708 (int) CharToPiece(ToLower(currentMoveString[0]));
4710 *toX = currentMoveString[2] - AAA;
4711 *toY = currentMoveString[3] - ONE;
4712 *promoChar = NULLCHAR;
4716 case ImpossibleMove:
4717 case (ChessMove) 0: /* end of file */
4726 if (appData.debugMode) {
4727 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4730 *fromX = *fromY = *toX = *toY = 0;
4731 *promoChar = NULLCHAR;
4739 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4740 int fromX, fromY, toX, toY; char promoChar;
4745 endPV = forwardMostMove;
4747 while(*pv == ' ') pv++;
4748 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4749 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4750 if(appData.debugMode){
4751 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4753 if(!valid && nr == 0 &&
4754 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4755 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4756 // Hande case where played move is different from leading PV move
4757 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4758 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4759 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4760 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4761 endPV += 2; // if position different, keep this
4762 moveList[endPV-1][0] = fromX + AAA;
4763 moveList[endPV-1][1] = fromY + ONE;
4764 moveList[endPV-1][2] = toX + AAA;
4765 moveList[endPV-1][3] = toY + ONE;
4766 parseList[endPV-1][0] = NULLCHAR;
4767 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4771 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4772 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4774 if(endPV+1 > framePtr) break; // no space, truncate
4777 CopyBoard(boards[endPV], boards[endPV-1]);
4778 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4779 moveList[endPV-1][0] = fromX + AAA;
4780 moveList[endPV-1][1] = fromY + ONE;
4781 moveList[endPV-1][2] = toX + AAA;
4782 moveList[endPV-1][3] = toY + ONE;
4783 parseList[endPV-1][0] = NULLCHAR;
4785 currentMove = endPV;
4786 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4787 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4788 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4789 DrawPosition(TRUE, boards[currentMove]);
4792 static int lastX, lastY;
4795 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4799 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4800 lastX = x; lastY = y;
4801 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4803 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4805 while(buf[index] && buf[index] != '\n') index++;
4807 ParsePV(buf+startPV);
4808 *start = startPV; *end = index-1;
4813 LoadPV(int x, int y)
4814 { // called on right mouse click to load PV
4815 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4816 lastX = x; lastY = y;
4817 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4824 if(endPV < 0) return;
4826 currentMove = forwardMostMove;
4827 ClearPremoveHighlights();
4828 DrawPosition(TRUE, boards[currentMove]);
4832 MovePV(int x, int y, int h)
4833 { // step through PV based on mouse coordinates (called on mouse move)
4834 int margin = h>>3, step = 0;
4836 if(endPV < 0) return;
4837 // we must somehow check if right button is still down (might be released off board!)
4838 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4839 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4840 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4842 lastX = x; lastY = y;
4843 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4844 currentMove += step;
4845 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4846 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4847 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4848 DrawPosition(FALSE, boards[currentMove]);
4852 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4853 // All positions will have equal probability, but the current method will not provide a unique
4854 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4860 int piecesLeft[(int)BlackPawn];
4861 int seed, nrOfShuffles;
4863 void GetPositionNumber()
4864 { // sets global variable seed
4867 seed = appData.defaultFrcPosition;
4868 if(seed < 0) { // randomize based on time for negative FRC position numbers
4869 for(i=0; i<50; i++) seed += random();
4870 seed = random() ^ random() >> 8 ^ random() << 8;
4871 if(seed<0) seed = -seed;
4875 int put(Board board, int pieceType, int rank, int n, int shade)
4876 // put the piece on the (n-1)-th empty squares of the given shade
4880 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4881 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4882 board[rank][i] = (ChessSquare) pieceType;
4883 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4885 piecesLeft[pieceType]--;
4893 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4894 // calculate where the next piece goes, (any empty square), and put it there
4898 i = seed % squaresLeft[shade];
4899 nrOfShuffles *= squaresLeft[shade];
4900 seed /= squaresLeft[shade];
4901 put(board, pieceType, rank, i, shade);
4904 void AddTwoPieces(Board board, int pieceType, int rank)
4905 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4907 int i, n=squaresLeft[ANY], j=n-1, k;
4909 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4910 i = seed % k; // pick one
4913 while(i >= j) i -= j--;
4914 j = n - 1 - j; i += j;
4915 put(board, pieceType, rank, j, ANY);
4916 put(board, pieceType, rank, i, ANY);
4919 void SetUpShuffle(Board board, int number)
4923 GetPositionNumber(); nrOfShuffles = 1;
4925 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4926 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4927 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4929 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4931 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4932 p = (int) board[0][i];
4933 if(p < (int) BlackPawn) piecesLeft[p] ++;
4934 board[0][i] = EmptySquare;
4937 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4938 // shuffles restricted to allow normal castling put KRR first
4939 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4940 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4941 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4942 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4943 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4944 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4945 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4946 put(board, WhiteRook, 0, 0, ANY);
4947 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4950 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4951 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4952 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4953 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4954 while(piecesLeft[p] >= 2) {
4955 AddOnePiece(board, p, 0, LITE);
4956 AddOnePiece(board, p, 0, DARK);
4958 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4961 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4962 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4963 // but we leave King and Rooks for last, to possibly obey FRC restriction
4964 if(p == (int)WhiteRook) continue;
4965 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4966 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4969 // now everything is placed, except perhaps King (Unicorn) and Rooks
4971 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4972 // Last King gets castling rights
4973 while(piecesLeft[(int)WhiteUnicorn]) {
4974 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4975 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4978 while(piecesLeft[(int)WhiteKing]) {
4979 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4980 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4985 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4986 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4989 // Only Rooks can be left; simply place them all
4990 while(piecesLeft[(int)WhiteRook]) {
4991 i = put(board, WhiteRook, 0, 0, ANY);
4992 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4995 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4997 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5000 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5001 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5004 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5007 int SetCharTable( char *table, const char * map )
5008 /* [HGM] moved here from winboard.c because of its general usefulness */
5009 /* Basically a safe strcpy that uses the last character as King */
5011 int result = FALSE; int NrPieces;
5013 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5014 && NrPieces >= 12 && !(NrPieces&1)) {
5015 int i; /* [HGM] Accept even length from 12 to 34 */
5017 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5018 for( i=0; i<NrPieces/2-1; i++ ) {
5020 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5022 table[(int) WhiteKing] = map[NrPieces/2-1];
5023 table[(int) BlackKing] = map[NrPieces-1];
5031 void Prelude(Board board)
5032 { // [HGM] superchess: random selection of exo-pieces
5033 int i, j, k; ChessSquare p;
5034 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5036 GetPositionNumber(); // use FRC position number
5038 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5039 SetCharTable(pieceToChar, appData.pieceToCharTable);
5040 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5041 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5044 j = seed%4; seed /= 4;
5045 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5046 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5047 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5048 j = seed%3 + (seed%3 >= j); seed /= 3;
5049 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5050 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5051 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5052 j = seed%3; seed /= 3;
5053 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5054 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5055 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5056 j = seed%2 + (seed%2 >= j); seed /= 2;
5057 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5058 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5059 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5060 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5061 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5062 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5063 put(board, exoPieces[0], 0, 0, ANY);
5064 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5068 InitPosition(redraw)
5071 ChessSquare (* pieces)[BOARD_FILES];
5072 int i, j, pawnRow, overrule,
5073 oldx = gameInfo.boardWidth,
5074 oldy = gameInfo.boardHeight,
5075 oldh = gameInfo.holdingsWidth,
5076 oldv = gameInfo.variant;
5078 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5080 /* [AS] Initialize pv info list [HGM] and game status */
5082 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5083 pvInfoList[i].depth = 0;
5084 boards[i][EP_STATUS] = EP_NONE;
5085 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5088 initialRulePlies = 0; /* 50-move counter start */
5090 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5091 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5095 /* [HGM] logic here is completely changed. In stead of full positions */
5096 /* the initialized data only consist of the two backranks. The switch */
5097 /* selects which one we will use, which is than copied to the Board */
5098 /* initialPosition, which for the rest is initialized by Pawns and */
5099 /* empty squares. This initial position is then copied to boards[0], */
5100 /* possibly after shuffling, so that it remains available. */
5102 gameInfo.holdingsWidth = 0; /* default board sizes */
5103 gameInfo.boardWidth = 8;
5104 gameInfo.boardHeight = 8;
5105 gameInfo.holdingsSize = 0;
5106 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5107 for(i=0; i<BOARD_FILES-2; i++)
5108 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5109 initialPosition[EP_STATUS] = EP_NONE;
5110 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5112 switch (gameInfo.variant) {
5113 case VariantFischeRandom:
5114 shuffleOpenings = TRUE;
5118 case VariantShatranj:
5119 pieces = ShatranjArray;
5120 nrCastlingRights = 0;
5121 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5124 pieces = makrukArray;
5125 nrCastlingRights = 0;
5126 startedFromSetupPosition = TRUE;
5127 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5129 case VariantTwoKings:
5130 pieces = twoKingsArray;
5132 case VariantCapaRandom:
5133 shuffleOpenings = TRUE;
5134 case VariantCapablanca:
5135 pieces = CapablancaArray;
5136 gameInfo.boardWidth = 10;
5137 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5140 pieces = GothicArray;
5141 gameInfo.boardWidth = 10;
5142 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5145 pieces = JanusArray;
5146 gameInfo.boardWidth = 10;
5147 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5148 nrCastlingRights = 6;
5149 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5150 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5151 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5152 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5153 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5154 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5157 pieces = FalconArray;
5158 gameInfo.boardWidth = 10;
5159 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5161 case VariantXiangqi:
5162 pieces = XiangqiArray;
5163 gameInfo.boardWidth = 9;
5164 gameInfo.boardHeight = 10;
5165 nrCastlingRights = 0;
5166 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5169 pieces = ShogiArray;
5170 gameInfo.boardWidth = 9;
5171 gameInfo.boardHeight = 9;
5172 gameInfo.holdingsSize = 7;
5173 nrCastlingRights = 0;
5174 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5176 case VariantCourier:
5177 pieces = CourierArray;
5178 gameInfo.boardWidth = 12;
5179 nrCastlingRights = 0;
5180 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5182 case VariantKnightmate:
5183 pieces = KnightmateArray;
5184 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5187 pieces = fairyArray;
5188 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5191 pieces = GreatArray;
5192 gameInfo.boardWidth = 10;
5193 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5194 gameInfo.holdingsSize = 8;
5198 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5199 gameInfo.holdingsSize = 8;
5200 startedFromSetupPosition = TRUE;
5202 case VariantCrazyhouse:
5203 case VariantBughouse:
5205 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5206 gameInfo.holdingsSize = 5;
5208 case VariantWildCastle:
5210 /* !!?shuffle with kings guaranteed to be on d or e file */
5211 shuffleOpenings = 1;
5213 case VariantNoCastle:
5215 nrCastlingRights = 0;
5216 /* !!?unconstrained back-rank shuffle */
5217 shuffleOpenings = 1;
5222 if(appData.NrFiles >= 0) {
5223 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5224 gameInfo.boardWidth = appData.NrFiles;
5226 if(appData.NrRanks >= 0) {
5227 gameInfo.boardHeight = appData.NrRanks;
5229 if(appData.holdingsSize >= 0) {
5230 i = appData.holdingsSize;
5231 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5232 gameInfo.holdingsSize = i;
5234 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5235 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5236 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5238 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5239 if(pawnRow < 1) pawnRow = 1;
5240 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5242 /* User pieceToChar list overrules defaults */
5243 if(appData.pieceToCharTable != NULL)
5244 SetCharTable(pieceToChar, appData.pieceToCharTable);
5246 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5248 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5249 s = (ChessSquare) 0; /* account holding counts in guard band */
5250 for( i=0; i<BOARD_HEIGHT; i++ )
5251 initialPosition[i][j] = s;
5253 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5254 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5255 initialPosition[pawnRow][j] = WhitePawn;
5256 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5257 if(gameInfo.variant == VariantXiangqi) {
5259 initialPosition[pawnRow][j] =
5260 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5261 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5262 initialPosition[2][j] = WhiteCannon;
5263 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5267 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5269 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5272 initialPosition[1][j] = WhiteBishop;
5273 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5275 initialPosition[1][j] = WhiteRook;
5276 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5279 if( nrCastlingRights == -1) {
5280 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5281 /* This sets default castling rights from none to normal corners */
5282 /* Variants with other castling rights must set them themselves above */
5283 nrCastlingRights = 6;
5285 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5286 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5287 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5288 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5289 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5290 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5293 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5294 if(gameInfo.variant == VariantGreat) { // promotion commoners
5295 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5296 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5297 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5298 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5300 if (appData.debugMode) {
5301 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5303 if(shuffleOpenings) {
5304 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5305 startedFromSetupPosition = TRUE;
5307 if(startedFromPositionFile) {
5308 /* [HGM] loadPos: use PositionFile for every new game */
5309 CopyBoard(initialPosition, filePosition);
5310 for(i=0; i<nrCastlingRights; i++)
5311 initialRights[i] = filePosition[CASTLING][i];
5312 startedFromSetupPosition = TRUE;
5315 CopyBoard(boards[0], initialPosition);
5317 if(oldx != gameInfo.boardWidth ||
5318 oldy != gameInfo.boardHeight ||
5319 oldh != gameInfo.holdingsWidth
5321 || oldv == VariantGothic || // For licensing popups
5322 gameInfo.variant == VariantGothic
5325 || oldv == VariantFalcon ||
5326 gameInfo.variant == VariantFalcon
5329 InitDrawingSizes(-2 ,0);
5332 DrawPosition(TRUE, boards[currentMove]);
5336 SendBoard(cps, moveNum)
5337 ChessProgramState *cps;
5340 char message[MSG_SIZ];
5342 if (cps->useSetboard) {
5343 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5344 sprintf(message, "setboard %s\n", fen);
5345 SendToProgram(message, cps);
5351 /* Kludge to set black to move, avoiding the troublesome and now
5352 * deprecated "black" command.
5354 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5356 SendToProgram("edit\n", cps);
5357 SendToProgram("#\n", cps);
5358 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5359 bp = &boards[moveNum][i][BOARD_LEFT];
5360 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5361 if ((int) *bp < (int) BlackPawn) {
5362 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5364 if(message[0] == '+' || message[0] == '~') {
5365 sprintf(message, "%c%c%c+\n",
5366 PieceToChar((ChessSquare)(DEMOTED *bp)),
5369 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5370 message[1] = BOARD_RGHT - 1 - j + '1';
5371 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5373 SendToProgram(message, cps);
5378 SendToProgram("c\n", cps);
5379 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5380 bp = &boards[moveNum][i][BOARD_LEFT];
5381 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5382 if (((int) *bp != (int) EmptySquare)
5383 && ((int) *bp >= (int) BlackPawn)) {
5384 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5386 if(message[0] == '+' || message[0] == '~') {
5387 sprintf(message, "%c%c%c+\n",
5388 PieceToChar((ChessSquare)(DEMOTED *bp)),
5391 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5392 message[1] = BOARD_RGHT - 1 - j + '1';
5393 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5395 SendToProgram(message, cps);
5400 SendToProgram(".\n", cps);
5402 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5405 static int autoQueen; // [HGM] oneclick
5408 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5410 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5411 /* [HGM] add Shogi promotions */
5412 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5417 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5418 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5420 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5421 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5424 piece = boards[currentMove][fromY][fromX];
5425 if(gameInfo.variant == VariantShogi) {
5426 promotionZoneSize = 3;
5427 highestPromotingPiece = (int)WhiteFerz;
5428 } else if(gameInfo.variant == VariantMakruk) {
5429 promotionZoneSize = 3;
5432 // next weed out all moves that do not touch the promotion zone at all
5433 if((int)piece >= BlackPawn) {
5434 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5436 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5438 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5439 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5442 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5444 // weed out mandatory Shogi promotions
5445 if(gameInfo.variant == VariantShogi) {
5446 if(piece >= BlackPawn) {
5447 if(toY == 0 && piece == BlackPawn ||
5448 toY == 0 && piece == BlackQueen ||
5449 toY <= 1 && piece == BlackKnight) {
5454 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5455 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5456 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5463 // weed out obviously illegal Pawn moves
5464 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5465 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5466 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5467 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5468 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5469 // note we are not allowed to test for valid (non-)capture, due to premove
5472 // we either have a choice what to promote to, or (in Shogi) whether to promote
5473 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5474 *promoChoice = PieceToChar(BlackFerz); // no choice
5477 if(autoQueen) { // predetermined
5478 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5479 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5480 else *promoChoice = PieceToChar(BlackQueen);
5484 // suppress promotion popup on illegal moves that are not premoves
5485 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5486 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5487 if(appData.testLegality && !premove) {
5488 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5489 fromY, fromX, toY, toX, NULLCHAR);
5490 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5491 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5499 InPalace(row, column)
5501 { /* [HGM] for Xiangqi */
5502 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5503 column < (BOARD_WIDTH + 4)/2 &&
5504 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5509 PieceForSquare (x, y)
5513 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5516 return boards[currentMove][y][x];
5520 OKToStartUserMove(x, y)
5523 ChessSquare from_piece;
5526 if (matchMode) return FALSE;
5527 if (gameMode == EditPosition) return TRUE;
5529 if (x >= 0 && y >= 0)
5530 from_piece = boards[currentMove][y][x];
5532 from_piece = EmptySquare;
5534 if (from_piece == EmptySquare) return FALSE;
5536 white_piece = (int)from_piece >= (int)WhitePawn &&
5537 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5540 case PlayFromGameFile:
5542 case TwoMachinesPlay:
5550 case MachinePlaysWhite:
5551 case IcsPlayingBlack:
5552 if (appData.zippyPlay) return FALSE;
5554 DisplayMoveError(_("You are playing Black"));
5559 case MachinePlaysBlack:
5560 case IcsPlayingWhite:
5561 if (appData.zippyPlay) return FALSE;
5563 DisplayMoveError(_("You are playing White"));
5569 if (!white_piece && WhiteOnMove(currentMove)) {
5570 DisplayMoveError(_("It is White's turn"));
5573 if (white_piece && !WhiteOnMove(currentMove)) {
5574 DisplayMoveError(_("It is Black's turn"));
5577 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5578 /* Editing correspondence game history */
5579 /* Could disallow this or prompt for confirmation */
5584 case BeginningOfGame:
5585 if (appData.icsActive) return FALSE;
5586 if (!appData.noChessProgram) {
5588 DisplayMoveError(_("You are playing White"));
5595 if (!white_piece && WhiteOnMove(currentMove)) {
5596 DisplayMoveError(_("It is White's turn"));
5599 if (white_piece && !WhiteOnMove(currentMove)) {
5600 DisplayMoveError(_("It is Black's turn"));
5609 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5610 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5611 && gameMode != AnalyzeFile && gameMode != Training) {
5612 DisplayMoveError(_("Displayed position is not current"));
5619 OnlyMove(int *x, int *y, Boolean captures) {
5620 DisambiguateClosure cl;
5621 if (appData.zippyPlay) return FALSE;
5623 case MachinePlaysBlack:
5624 case IcsPlayingWhite:
5625 case BeginningOfGame:
5626 if(!WhiteOnMove(currentMove)) return FALSE;
5628 case MachinePlaysWhite:
5629 case IcsPlayingBlack:
5630 if(WhiteOnMove(currentMove)) return FALSE;
5635 cl.pieceIn = EmptySquare;
5640 cl.promoCharIn = NULLCHAR;
5641 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5642 if( cl.kind == NormalMove ||
5643 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5644 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5645 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5646 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5653 if(cl.kind != ImpossibleMove) return FALSE;
5654 cl.pieceIn = EmptySquare;
5659 cl.promoCharIn = NULLCHAR;
5660 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5661 if( cl.kind == NormalMove ||
5662 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5663 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5664 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5665 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5670 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5676 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5677 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5678 int lastLoadGameUseList = FALSE;
5679 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5680 ChessMove lastLoadGameStart = (ChessMove) 0;
5683 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5684 int fromX, fromY, toX, toY;
5689 ChessSquare pdown, pup;
5691 /* Check if the user is playing in turn. This is complicated because we
5692 let the user "pick up" a piece before it is his turn. So the piece he
5693 tried to pick up may have been captured by the time he puts it down!
5694 Therefore we use the color the user is supposed to be playing in this
5695 test, not the color of the piece that is currently on the starting
5696 square---except in EditGame mode, where the user is playing both
5697 sides; fortunately there the capture race can't happen. (It can
5698 now happen in IcsExamining mode, but that's just too bad. The user
5699 will get a somewhat confusing message in that case.)
5703 case PlayFromGameFile:
5705 case TwoMachinesPlay:
5709 /* We switched into a game mode where moves are not accepted,
5710 perhaps while the mouse button was down. */
5711 return ImpossibleMove;
5713 case MachinePlaysWhite:
5714 /* User is moving for Black */
5715 if (WhiteOnMove(currentMove)) {
5716 DisplayMoveError(_("It is White's turn"));
5717 return ImpossibleMove;
5721 case MachinePlaysBlack:
5722 /* User is moving for White */
5723 if (!WhiteOnMove(currentMove)) {
5724 DisplayMoveError(_("It is Black's turn"));
5725 return ImpossibleMove;
5731 case BeginningOfGame:
5734 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5735 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5736 /* User is moving for Black */
5737 if (WhiteOnMove(currentMove)) {
5738 DisplayMoveError(_("It is White's turn"));
5739 return ImpossibleMove;
5742 /* User is moving for White */
5743 if (!WhiteOnMove(currentMove)) {
5744 DisplayMoveError(_("It is Black's turn"));
5745 return ImpossibleMove;
5750 case IcsPlayingBlack:
5751 /* User is moving for Black */
5752 if (WhiteOnMove(currentMove)) {
5753 if (!appData.premove) {
5754 DisplayMoveError(_("It is White's turn"));
5755 } else if (toX >= 0 && toY >= 0) {
5758 premoveFromX = fromX;
5759 premoveFromY = fromY;
5760 premovePromoChar = promoChar;
5762 if (appData.debugMode)
5763 fprintf(debugFP, "Got premove: fromX %d,"
5764 "fromY %d, toX %d, toY %d\n",
5765 fromX, fromY, toX, toY);
5767 return ImpossibleMove;
5771 case IcsPlayingWhite:
5772 /* User is moving for White */
5773 if (!WhiteOnMove(currentMove)) {
5774 if (!appData.premove) {
5775 DisplayMoveError(_("It is Black's turn"));
5776 } else if (toX >= 0 && toY >= 0) {
5779 premoveFromX = fromX;
5780 premoveFromY = fromY;
5781 premovePromoChar = promoChar;
5783 if (appData.debugMode)
5784 fprintf(debugFP, "Got premove: fromX %d,"
5785 "fromY %d, toX %d, toY %d\n",
5786 fromX, fromY, toX, toY);
5788 return ImpossibleMove;
5796 /* EditPosition, empty square, or different color piece;
5797 click-click move is possible */
5798 if (toX == -2 || toY == -2) {
5799 boards[0][fromY][fromX] = EmptySquare;
5800 return AmbiguousMove;
5801 } else if (toX >= 0 && toY >= 0) {
5802 boards[0][toY][toX] = boards[0][fromY][fromX];
5803 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5804 if(boards[0][fromY][0] != EmptySquare) {
5805 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5806 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5809 if(fromX == BOARD_RGHT+1) {
5810 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5811 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5812 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5815 boards[0][fromY][fromX] = EmptySquare;
5816 return AmbiguousMove;
5818 return ImpossibleMove;
5821 if(toX < 0 || toY < 0) return ImpossibleMove;
5822 pdown = boards[currentMove][fromY][fromX];
5823 pup = boards[currentMove][toY][toX];
5825 /* [HGM] If move started in holdings, it means a drop */
5826 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5827 if( pup != EmptySquare ) return ImpossibleMove;
5828 if(appData.testLegality) {
5829 /* it would be more logical if LegalityTest() also figured out
5830 * which drops are legal. For now we forbid pawns on back rank.
5831 * Shogi is on its own here...
5833 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5834 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5835 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5837 return WhiteDrop; /* Not needed to specify white or black yet */
5840 /* [HGM] always test for legality, to get promotion info */
5841 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5842 fromY, fromX, toY, toX, promoChar);
5843 /* [HGM] but possibly ignore an IllegalMove result */
5844 if (appData.testLegality) {
5845 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5846 DisplayMoveError(_("Illegal move"));
5847 return ImpossibleMove;
5852 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5853 function is made into one that returns an OK move type if FinishMove
5854 should be called. This to give the calling driver routine the
5855 opportunity to finish the userMove input with a promotion popup,
5856 without bothering the user with this for invalid or illegal moves */
5858 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5861 /* Common tail of UserMoveEvent and DropMenuEvent */
5863 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5865 int fromX, fromY, toX, toY;
5866 /*char*/int promoChar;
5870 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5871 // [HGM] superchess: suppress promotions to non-available piece
5872 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5873 if(WhiteOnMove(currentMove)) {
5874 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5876 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5880 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5881 move type in caller when we know the move is a legal promotion */
5882 if(moveType == NormalMove && promoChar)
5883 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5885 /* [HGM] convert drag-and-drop piece drops to standard form */
5886 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5887 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5888 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5889 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5890 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5891 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5892 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5893 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5897 /* [HGM] <popupFix> The following if has been moved here from
5898 UserMoveEvent(). Because it seemed to belong here (why not allow
5899 piece drops in training games?), and because it can only be
5900 performed after it is known to what we promote. */
5901 if (gameMode == Training) {
5902 /* compare the move played on the board to the next move in the
5903 * game. If they match, display the move and the opponent's response.
5904 * If they don't match, display an error message.
5908 CopyBoard(testBoard, boards[currentMove]);
5909 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5911 if (CompareBoards(testBoard, boards[currentMove+1])) {
5912 ForwardInner(currentMove+1);
5914 /* Autoplay the opponent's response.
5915 * if appData.animate was TRUE when Training mode was entered,
5916 * the response will be animated.
5918 saveAnimate = appData.animate;
5919 appData.animate = animateTraining;
5920 ForwardInner(currentMove+1);
5921 appData.animate = saveAnimate;
5923 /* check for the end of the game */
5924 if (currentMove >= forwardMostMove) {
5925 gameMode = PlayFromGameFile;
5927 SetTrainingModeOff();
5928 DisplayInformation(_("End of game"));
5931 DisplayError(_("Incorrect move"), 0);
5936 /* Ok, now we know that the move is good, so we can kill
5937 the previous line in Analysis Mode */
5938 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5939 && currentMove < forwardMostMove) {
5940 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5943 /* If we need the chess program but it's dead, restart it */
5944 ResurrectChessProgram();
5946 /* A user move restarts a paused game*/
5950 thinkOutput[0] = NULLCHAR;
5952 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5954 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5956 if (gameMode == BeginningOfGame) {
5957 if (appData.noChessProgram) {
5958 gameMode = EditGame;
5962 gameMode = MachinePlaysBlack;
5965 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5967 if (first.sendName) {
5968 sprintf(buf, "name %s\n", gameInfo.white);
5969 SendToProgram(buf, &first);
5976 /* Relay move to ICS or chess engine */
5977 if (appData.icsActive) {
5978 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5979 gameMode == IcsExamining) {
5980 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5981 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5983 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5985 // also send plain move, in case ICS does not understand atomic claims
5986 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5990 if (first.sendTime && (gameMode == BeginningOfGame ||
5991 gameMode == MachinePlaysWhite ||
5992 gameMode == MachinePlaysBlack)) {
5993 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5995 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5996 // [HGM] book: if program might be playing, let it use book
5997 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5998 first.maybeThinking = TRUE;
5999 } else SendMoveToProgram(forwardMostMove-1, &first);
6000 if (currentMove == cmailOldMove + 1) {
6001 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6005 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6009 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6015 if (WhiteOnMove(currentMove)) {
6016 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6018 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6022 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6027 case MachinePlaysBlack:
6028 case MachinePlaysWhite:
6029 /* disable certain menu options while machine is thinking */
6030 SetMachineThinkingEnables();
6037 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6039 if(bookHit) { // [HGM] book: simulate book reply
6040 static char bookMove[MSG_SIZ]; // a bit generous?
6042 programStats.nodes = programStats.depth = programStats.time =
6043 programStats.score = programStats.got_only_move = 0;
6044 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6046 strcpy(bookMove, "move ");
6047 strcat(bookMove, bookHit);
6048 HandleMachineMove(bookMove, &first);
6054 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6055 int fromX, fromY, toX, toY;
6058 /* [HGM] This routine was added to allow calling of its two logical
6059 parts from other modules in the old way. Before, UserMoveEvent()
6060 automatically called FinishMove() if the move was OK, and returned
6061 otherwise. I separated the two, in order to make it possible to
6062 slip a promotion popup in between. But that it always needs two
6063 calls, to the first part, (now called UserMoveTest() ), and to
6064 FinishMove if the first part succeeded. Calls that do not need
6065 to do anything in between, can call this routine the old way.
6067 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6068 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6069 if(moveType == AmbiguousMove)
6070 DrawPosition(FALSE, boards[currentMove]);
6071 else if(moveType != ImpossibleMove && moveType != Comment)
6072 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6076 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6083 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6084 Markers *m = (Markers *) closure;
6085 if(rf == fromY && ff == fromX)
6086 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6087 || kind == WhiteCapturesEnPassant
6088 || kind == BlackCapturesEnPassant);
6089 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6093 MarkTargetSquares(int clear)
6096 if(!appData.markers || !appData.highlightDragging ||
6097 !appData.testLegality || gameMode == EditPosition) return;
6099 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6102 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6103 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6104 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6106 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6109 DrawPosition(TRUE, NULL);
6112 void LeftClick(ClickType clickType, int xPix, int yPix)
6115 Boolean saveAnimate;
6116 static int second = 0, promotionChoice = 0;
6117 char promoChoice = NULLCHAR;
6119 if(appData.seekGraph && appData.icsActive && loggedOn &&
6120 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6121 SeekGraphClick(clickType, xPix, yPix, 0);
6125 if (clickType == Press) ErrorPopDown();
6126 MarkTargetSquares(1);
6128 x = EventToSquare(xPix, BOARD_WIDTH);
6129 y = EventToSquare(yPix, BOARD_HEIGHT);
6130 if (!flipView && y >= 0) {
6131 y = BOARD_HEIGHT - 1 - y;
6133 if (flipView && x >= 0) {
6134 x = BOARD_WIDTH - 1 - x;
6137 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6138 if(clickType == Release) return; // ignore upclick of click-click destination
6139 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6140 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6141 if(gameInfo.holdingsWidth &&
6142 (WhiteOnMove(currentMove)
6143 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6144 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6145 // click in right holdings, for determining promotion piece
6146 ChessSquare p = boards[currentMove][y][x];
6147 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6148 if(p != EmptySquare) {
6149 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6154 DrawPosition(FALSE, boards[currentMove]);
6158 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6159 if(clickType == Press
6160 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6161 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6162 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6165 autoQueen = appData.alwaysPromoteToQueen;
6168 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6169 if (clickType == Press) {
6171 if (OKToStartUserMove(x, y)) {
6175 MarkTargetSquares(0);
6176 DragPieceBegin(xPix, yPix);
6177 if (appData.highlightDragging) {
6178 SetHighlights(x, y, -1, -1);
6187 if (clickType == Press && gameMode != EditPosition) {
6192 // ignore off-board to clicks
6193 if(y < 0 || x < 0) return;
6195 /* Check if clicking again on the same color piece */
6196 fromP = boards[currentMove][fromY][fromX];
6197 toP = boards[currentMove][y][x];
6198 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6199 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6200 WhitePawn <= toP && toP <= WhiteKing &&
6201 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6202 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6203 (BlackPawn <= fromP && fromP <= BlackKing &&
6204 BlackPawn <= toP && toP <= BlackKing &&
6205 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6206 !(fromP == BlackKing && toP == BlackRook && frc))) {
6207 /* Clicked again on same color piece -- changed his mind */
6208 second = (x == fromX && y == fromY);
6209 if(!second || !OnlyMove(&x, &y, TRUE)) {
6210 if (appData.highlightDragging) {
6211 SetHighlights(x, y, -1, -1);
6215 if (OKToStartUserMove(x, y)) {
6218 MarkTargetSquares(0);
6219 DragPieceBegin(xPix, yPix);
6224 // ignore clicks on holdings
6225 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6228 if (clickType == Release && x == fromX && y == fromY) {
6229 DragPieceEnd(xPix, yPix);
6230 if (appData.animateDragging) {
6231 /* Undo animation damage if any */
6232 DrawPosition(FALSE, NULL);
6235 /* Second up/down in same square; just abort move */
6240 ClearPremoveHighlights();
6242 /* First upclick in same square; start click-click mode */
6243 SetHighlights(x, y, -1, -1);
6248 /* we now have a different from- and (possibly off-board) to-square */
6249 /* Completed move */
6252 saveAnimate = appData.animate;
6253 if (clickType == Press) {
6254 /* Finish clickclick move */
6255 if (appData.animate || appData.highlightLastMove) {
6256 SetHighlights(fromX, fromY, toX, toY);
6261 /* Finish drag move */
6262 if (appData.highlightLastMove) {
6263 SetHighlights(fromX, fromY, toX, toY);
6267 DragPieceEnd(xPix, yPix);
6268 /* Don't animate move and drag both */
6269 appData.animate = FALSE;
6272 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6273 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6274 ChessSquare piece = boards[currentMove][fromY][fromX];
6275 if(gameMode == EditPosition && piece != EmptySquare &&
6276 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6279 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6280 n = PieceToNumber(piece - (int)BlackPawn);
6281 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6282 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6283 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6285 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6286 n = PieceToNumber(piece);
6287 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6288 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6289 boards[currentMove][n][BOARD_WIDTH-2]++;
6291 boards[currentMove][fromY][fromX] = EmptySquare;
6295 DrawPosition(TRUE, boards[currentMove]);
6299 // off-board moves should not be highlighted
6300 if(x < 0 || x < 0) ClearHighlights();
6302 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6303 SetHighlights(fromX, fromY, toX, toY);
6304 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6305 // [HGM] super: promotion to captured piece selected from holdings
6306 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6307 promotionChoice = TRUE;
6308 // kludge follows to temporarily execute move on display, without promoting yet
6309 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6310 boards[currentMove][toY][toX] = p;
6311 DrawPosition(FALSE, boards[currentMove]);
6312 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6313 boards[currentMove][toY][toX] = q;
6314 DisplayMessage("Click in holdings to choose piece", "");
6319 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6320 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6321 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6324 appData.animate = saveAnimate;
6325 if (appData.animate || appData.animateDragging) {
6326 /* Undo animation damage if needed */
6327 DrawPosition(FALSE, NULL);
6331 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6332 { // front-end-free part taken out of PieceMenuPopup
6333 int whichMenu; int xSqr, ySqr;
6335 if(seekGraphUp) { // [HGM] seekgraph
6336 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6337 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6341 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6342 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6343 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6344 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6348 xSqr = EventToSquare(x, BOARD_WIDTH);
6349 ySqr = EventToSquare(y, BOARD_HEIGHT);
6350 if (action == Release) UnLoadPV(); // [HGM] pv
6351 if (action != Press) return -2; // return code to be ignored
6354 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6356 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6357 if (xSqr < 0 || ySqr < 0) return -1;
\r
6358 whichMenu = 0; // edit-position menu
6361 if(!appData.icsEngineAnalyze) return -1;
6362 case IcsPlayingWhite:
6363 case IcsPlayingBlack:
6364 if(!appData.zippyPlay) goto noZip;
6367 case MachinePlaysWhite:
6368 case MachinePlaysBlack:
6369 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6370 if (!appData.dropMenu) {
6372 return 2; // flag front-end to grab mouse events
6374 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6375 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6378 if (xSqr < 0 || ySqr < 0) return -1;
6379 if (!appData.dropMenu || appData.testLegality &&
6380 gameInfo.variant != VariantBughouse &&
6381 gameInfo.variant != VariantCrazyhouse) return -1;
6382 whichMenu = 1; // drop menu
6388 if (((*fromX = xSqr) < 0) ||
6389 ((*fromY = ySqr) < 0)) {
6390 *fromX = *fromY = -1;
6394 *fromX = BOARD_WIDTH - 1 - *fromX;
6396 *fromY = BOARD_HEIGHT - 1 - *fromY;
6401 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6403 // char * hint = lastHint;
6404 FrontEndProgramStats stats;
6406 stats.which = cps == &first ? 0 : 1;
6407 stats.depth = cpstats->depth;
6408 stats.nodes = cpstats->nodes;
6409 stats.score = cpstats->score;
6410 stats.time = cpstats->time;
6411 stats.pv = cpstats->movelist;
6412 stats.hint = lastHint;
6413 stats.an_move_index = 0;
6414 stats.an_move_count = 0;
6416 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6417 stats.hint = cpstats->move_name;
6418 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6419 stats.an_move_count = cpstats->nr_moves;
6422 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6424 SetProgramStats( &stats );
6428 Adjudicate(ChessProgramState *cps)
6429 { // [HGM] some adjudications useful with buggy engines
6430 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6431 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6432 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6433 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6434 int k, count = 0; static int bare = 1;
6435 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6436 Boolean canAdjudicate = !appData.icsActive;
6438 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6439 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6440 if( appData.testLegality )
6441 { /* [HGM] Some more adjudications for obstinate engines */
6442 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6443 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6444 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6445 static int moveCount = 6;
6447 char *reason = NULL;
6449 /* Count what is on board. */
6450 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6451 { ChessSquare p = boards[forwardMostMove][i][j];
6455 { /* count B,N,R and other of each side */
6458 NrK++; break; // [HGM] atomic: count Kings
6462 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6463 bishopsColor |= 1 << ((i^j)&1);
6468 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6469 bishopsColor |= 1 << ((i^j)&1);
6484 PawnAdvance += m; NrPawns++;
6486 NrPieces += (p != EmptySquare);
6487 NrW += ((int)p < (int)BlackPawn);
6488 if(gameInfo.variant == VariantXiangqi &&
6489 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6490 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6491 NrW -= ((int)p < (int)BlackPawn);
6495 /* Some material-based adjudications that have to be made before stalemate test */
6496 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6497 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6498 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6499 if(canAdjudicate && appData.checkMates) {
6501 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6502 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6503 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6504 "Xboard adjudication: King destroyed", GE_XBOARD );
6509 /* Bare King in Shatranj (loses) or Losers (wins) */
6510 if( NrW == 1 || NrPieces - NrW == 1) {
6511 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6512 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6513 if(canAdjudicate && appData.checkMates) {
6515 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6516 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6517 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6518 "Xboard adjudication: Bare king", GE_XBOARD );
6522 if( gameInfo.variant == VariantShatranj && --bare < 0)
6524 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6525 if(canAdjudicate && appData.checkMates) {
6526 /* but only adjudicate if adjudication enabled */
6528 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6529 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6530 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6531 "Xboard adjudication: Bare king", GE_XBOARD );
6538 // don't wait for engine to announce game end if we can judge ourselves
6539 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6541 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6542 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6543 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6544 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6547 reason = "Xboard adjudication: 3rd check";
6548 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6558 reason = "Xboard adjudication: Stalemate";
6559 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6560 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6561 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6562 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6563 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6564 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6565 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6566 EP_CHECKMATE : EP_WINS);
6567 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6568 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6572 reason = "Xboard adjudication: Checkmate";
6573 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6577 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6579 result = GameIsDrawn; break;
6581 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6583 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6585 result = (ChessMove) 0;
6587 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6589 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6590 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6591 GameEnds( result, reason, GE_XBOARD );
6595 /* Next absolutely insufficient mating material. */
6596 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6597 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6598 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6599 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6600 { /* KBK, KNK, KK of KBKB with like Bishops */
6602 /* always flag draws, for judging claims */
6603 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6605 if(canAdjudicate && appData.materialDraws) {
6606 /* but only adjudicate them if adjudication enabled */
6607 if(engineOpponent) {
6608 SendToProgram("force\n", engineOpponent); // suppress reply
6609 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6611 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6612 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6617 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6619 ( NrWR == 1 && NrBR == 1 /* KRKR */
6620 || NrWQ==1 && NrBQ==1 /* KQKQ */
6621 || NrWN==2 || NrBN==2 /* KNNK */
6622 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6624 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6625 { /* if the first 3 moves do not show a tactical win, declare draw */
6626 if(engineOpponent) {
6627 SendToProgram("force\n", engineOpponent); // suppress reply
6628 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6630 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6631 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6634 } else moveCount = 6;
6638 if (appData.debugMode) { int i;
6639 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6640 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6641 appData.drawRepeats);
6642 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6643 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6647 // Repetition draws and 50-move rule can be applied independently of legality testing
6649 /* Check for rep-draws */
6651 for(k = forwardMostMove-2;
6652 k>=backwardMostMove && k>=forwardMostMove-100 &&
6653 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6654 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6657 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6658 /* compare castling rights */
6659 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6660 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6661 rights++; /* King lost rights, while rook still had them */
6662 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6663 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6664 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6665 rights++; /* but at least one rook lost them */
6667 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6668 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6670 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6671 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6672 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6675 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6676 && appData.drawRepeats > 1) {
6677 /* adjudicate after user-specified nr of repeats */
6678 if(engineOpponent) {
6679 SendToProgram("force\n", engineOpponent); // suppress reply
6680 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6682 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6683 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6684 // [HGM] xiangqi: check for forbidden perpetuals
6685 int m, ourPerpetual = 1, hisPerpetual = 1;
6686 for(m=forwardMostMove; m>k; m-=2) {
6687 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6688 ourPerpetual = 0; // the current mover did not always check
6689 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6690 hisPerpetual = 0; // the opponent did not always check
6692 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6693 ourPerpetual, hisPerpetual);
6694 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6695 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6696 "Xboard adjudication: perpetual checking", GE_XBOARD );
6699 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6700 break; // (or we would have caught him before). Abort repetition-checking loop.
6701 // Now check for perpetual chases
6702 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6703 hisPerpetual = PerpetualChase(k, forwardMostMove);
6704 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6705 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6706 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6707 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6710 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6711 break; // Abort repetition-checking loop.
6713 // if neither of us is checking or chasing all the time, or both are, it is draw
6715 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6718 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6719 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6723 /* Now we test for 50-move draws. Determine ply count */
6724 count = forwardMostMove;
6725 /* look for last irreversble move */
6726 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6728 /* if we hit starting position, add initial plies */
6729 if( count == backwardMostMove )
6730 count -= initialRulePlies;
6731 count = forwardMostMove - count;
6733 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6734 /* this is used to judge if draw claims are legal */
6735 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6736 if(engineOpponent) {
6737 SendToProgram("force\n", engineOpponent); // suppress reply
6738 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6740 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6741 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6745 /* if draw offer is pending, treat it as a draw claim
6746 * when draw condition present, to allow engines a way to
6747 * claim draws before making their move to avoid a race
6748 * condition occurring after their move
6750 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6752 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6753 p = "Draw claim: 50-move rule";
6754 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6755 p = "Draw claim: 3-fold repetition";
6756 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6757 p = "Draw claim: insufficient mating material";
6758 if( p != NULL && canAdjudicate) {
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 GameEnds( GameIsDrawn, p, GE_XBOARD );
6769 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6770 if(engineOpponent) {
6771 SendToProgram("force\n", engineOpponent); // suppress reply
6772 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6774 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6775 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6781 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6782 { // [HGM] book: this routine intercepts moves to simulate book replies
6783 char *bookHit = NULL;
6785 //first determine if the incoming move brings opponent into his book
6786 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6787 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6788 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6789 if(bookHit != NULL && !cps->bookSuspend) {
6790 // make sure opponent is not going to reply after receiving move to book position
6791 SendToProgram("force\n", cps);
6792 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6794 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6795 // now arrange restart after book miss
6797 // after a book hit we never send 'go', and the code after the call to this routine
6798 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6800 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6801 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6802 SendToProgram(buf, cps);
6803 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6804 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6805 SendToProgram("go\n", cps);
6806 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6807 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6808 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6809 SendToProgram("go\n", cps);
6810 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6812 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6816 ChessProgramState *savedState;
6817 void DeferredBookMove(void)
6819 if(savedState->lastPing != savedState->lastPong)
6820 ScheduleDelayedEvent(DeferredBookMove, 10);
6822 HandleMachineMove(savedMessage, savedState);
6826 HandleMachineMove(message, cps)
6828 ChessProgramState *cps;
6830 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6831 char realname[MSG_SIZ];
6832 int fromX, fromY, toX, toY;
6841 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6843 * Kludge to ignore BEL characters
6845 while (*message == '\007') message++;
6848 * [HGM] engine debug message: ignore lines starting with '#' character
6850 if(cps->debug && *message == '#') return;
6853 * Look for book output
6855 if (cps == &first && bookRequested) {
6856 if (message[0] == '\t' || message[0] == ' ') {
6857 /* Part of the book output is here; append it */
6858 strcat(bookOutput, message);
6859 strcat(bookOutput, " \n");
6861 } else if (bookOutput[0] != NULLCHAR) {
6862 /* All of book output has arrived; display it */
6863 char *p = bookOutput;
6864 while (*p != NULLCHAR) {
6865 if (*p == '\t') *p = ' ';
6868 DisplayInformation(bookOutput);
6869 bookRequested = FALSE;
6870 /* Fall through to parse the current output */
6875 * Look for machine move.
6877 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6878 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6880 /* This method is only useful on engines that support ping */
6881 if (cps->lastPing != cps->lastPong) {
6882 if (gameMode == BeginningOfGame) {
6883 /* Extra move from before last new; ignore */
6884 if (appData.debugMode) {
6885 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6888 if (appData.debugMode) {
6889 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6890 cps->which, gameMode);
6893 SendToProgram("undo\n", cps);
6899 case BeginningOfGame:
6900 /* Extra move from before last reset; ignore */
6901 if (appData.debugMode) {
6902 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6909 /* Extra move after we tried to stop. The mode test is
6910 not a reliable way of detecting this problem, but it's
6911 the best we can do on engines that don't support ping.
6913 if (appData.debugMode) {
6914 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6915 cps->which, gameMode);
6917 SendToProgram("undo\n", cps);
6920 case MachinePlaysWhite:
6921 case IcsPlayingWhite:
6922 machineWhite = TRUE;
6925 case MachinePlaysBlack:
6926 case IcsPlayingBlack:
6927 machineWhite = FALSE;
6930 case TwoMachinesPlay:
6931 machineWhite = (cps->twoMachinesColor[0] == 'w');
6934 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6935 if (appData.debugMode) {
6937 "Ignoring move out of turn by %s, gameMode %d"
6938 ", forwardMost %d\n",
6939 cps->which, gameMode, forwardMostMove);
6944 if (appData.debugMode) { int f = forwardMostMove;
6945 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6946 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6947 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6949 if(cps->alphaRank) AlphaRank(machineMove, 4);
6950 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6951 &fromX, &fromY, &toX, &toY, &promoChar)) {
6952 /* Machine move could not be parsed; ignore it. */
6953 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6954 machineMove, cps->which);
6955 DisplayError(buf1, 0);
6956 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6957 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6958 if (gameMode == TwoMachinesPlay) {
6959 GameEnds(machineWhite ? BlackWins : WhiteWins,
6965 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6966 /* So we have to redo legality test with true e.p. status here, */
6967 /* to make sure an illegal e.p. capture does not slip through, */
6968 /* to cause a forfeit on a justified illegal-move complaint */
6969 /* of the opponent. */
6970 if( gameMode==TwoMachinesPlay && appData.testLegality
6971 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6974 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6975 fromY, fromX, toY, toX, promoChar);
6976 if (appData.debugMode) {
6978 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6979 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6980 fprintf(debugFP, "castling rights\n");
6982 if(moveType == IllegalMove) {
6983 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6984 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6985 GameEnds(machineWhite ? BlackWins : WhiteWins,
6988 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6989 /* [HGM] Kludge to handle engines that send FRC-style castling
6990 when they shouldn't (like TSCP-Gothic) */
6992 case WhiteASideCastleFR:
6993 case BlackASideCastleFR:
6995 currentMoveString[2]++;
6997 case WhiteHSideCastleFR:
6998 case BlackHSideCastleFR:
7000 currentMoveString[2]--;
7002 default: ; // nothing to do, but suppresses warning of pedantic compilers
7005 hintRequested = FALSE;
7006 lastHint[0] = NULLCHAR;
7007 bookRequested = FALSE;
7008 /* Program may be pondering now */
7009 cps->maybeThinking = TRUE;
7010 if (cps->sendTime == 2) cps->sendTime = 1;
7011 if (cps->offeredDraw) cps->offeredDraw--;
7013 /* currentMoveString is set as a side-effect of ParseOneMove */
7014 strcpy(machineMove, currentMoveString);
7015 strcat(machineMove, "\n");
7016 strcpy(moveList[forwardMostMove], machineMove);
7018 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7020 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7021 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7024 while( count < adjudicateLossPlies ) {
7025 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7028 score = -score; /* Flip score for winning side */
7031 if( score > adjudicateLossThreshold ) {
7038 if( count >= adjudicateLossPlies ) {
7039 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7041 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7042 "Xboard adjudication",
7049 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7052 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7054 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7055 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7057 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7059 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7061 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7062 char buf[3*MSG_SIZ];
7064 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7065 programStats.score / 100.,
7067 programStats.time / 100.,
7068 (unsigned int)programStats.nodes,
7069 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7070 programStats.movelist);
7072 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7077 /* [AS] Save move info and clear stats for next move */
7078 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7079 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7080 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7081 ClearProgramStats();
7082 thinkOutput[0] = NULLCHAR;
7083 hiddenThinkOutputState = 0;
7086 if (gameMode == TwoMachinesPlay) {
7087 /* [HGM] relaying draw offers moved to after reception of move */
7088 /* and interpreting offer as claim if it brings draw condition */
7089 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7090 SendToProgram("draw\n", cps->other);
7092 if (cps->other->sendTime) {
7093 SendTimeRemaining(cps->other,
7094 cps->other->twoMachinesColor[0] == 'w');
7096 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7097 if (firstMove && !bookHit) {
7099 if (cps->other->useColors) {
7100 SendToProgram(cps->other->twoMachinesColor, cps->other);
7102 SendToProgram("go\n", cps->other);
7104 cps->other->maybeThinking = TRUE;
7107 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7109 if (!pausing && appData.ringBellAfterMoves) {
7114 * Reenable menu items that were disabled while
7115 * machine was thinking
7117 if (gameMode != TwoMachinesPlay)
7118 SetUserThinkingEnables();
7120 // [HGM] book: after book hit opponent has received move and is now in force mode
7121 // force the book reply into it, and then fake that it outputted this move by jumping
7122 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7124 static char bookMove[MSG_SIZ]; // a bit generous?
7126 strcpy(bookMove, "move ");
7127 strcat(bookMove, bookHit);
7130 programStats.nodes = programStats.depth = programStats.time =
7131 programStats.score = programStats.got_only_move = 0;
7132 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7134 if(cps->lastPing != cps->lastPong) {
7135 savedMessage = message; // args for deferred call
7137 ScheduleDelayedEvent(DeferredBookMove, 10);
7146 /* Set special modes for chess engines. Later something general
7147 * could be added here; for now there is just one kludge feature,
7148 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7149 * when "xboard" is given as an interactive command.
7151 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7152 cps->useSigint = FALSE;
7153 cps->useSigterm = FALSE;
7155 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7156 ParseFeatures(message+8, cps);
7157 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7160 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7161 * want this, I was asked to put it in, and obliged.
7163 if (!strncmp(message, "setboard ", 9)) {
7164 Board initial_position;
7166 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7168 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7169 DisplayError(_("Bad FEN received from engine"), 0);
7173 CopyBoard(boards[0], initial_position);
7174 initialRulePlies = FENrulePlies;
7175 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7176 else gameMode = MachinePlaysBlack;
7177 DrawPosition(FALSE, boards[currentMove]);
7183 * Look for communication commands
7185 if (!strncmp(message, "telluser ", 9)) {
7186 DisplayNote(message + 9);
7189 if (!strncmp(message, "tellusererror ", 14)) {
7191 DisplayError(message + 14, 0);
7194 if (!strncmp(message, "tellopponent ", 13)) {
7195 if (appData.icsActive) {
7197 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7201 DisplayNote(message + 13);
7205 if (!strncmp(message, "tellothers ", 11)) {
7206 if (appData.icsActive) {
7208 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7214 if (!strncmp(message, "tellall ", 8)) {
7215 if (appData.icsActive) {
7217 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7221 DisplayNote(message + 8);
7225 if (strncmp(message, "warning", 7) == 0) {
7226 /* Undocumented feature, use tellusererror in new code */
7227 DisplayError(message, 0);
7230 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7231 strcpy(realname, cps->tidy);
7232 strcat(realname, " query");
7233 AskQuestion(realname, buf2, buf1, cps->pr);
7236 /* Commands from the engine directly to ICS. We don't allow these to be
7237 * sent until we are logged on. Crafty kibitzes have been known to
7238 * interfere with the login process.
7241 if (!strncmp(message, "tellics ", 8)) {
7242 SendToICS(message + 8);
7246 if (!strncmp(message, "tellicsnoalias ", 15)) {
7247 SendToICS(ics_prefix);
7248 SendToICS(message + 15);
7252 /* The following are for backward compatibility only */
7253 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7254 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7255 SendToICS(ics_prefix);
7261 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7265 * If the move is illegal, cancel it and redraw the board.
7266 * Also deal with other error cases. Matching is rather loose
7267 * here to accommodate engines written before the spec.
7269 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7270 strncmp(message, "Error", 5) == 0) {
7271 if (StrStr(message, "name") ||
7272 StrStr(message, "rating") || StrStr(message, "?") ||
7273 StrStr(message, "result") || StrStr(message, "board") ||
7274 StrStr(message, "bk") || StrStr(message, "computer") ||
7275 StrStr(message, "variant") || StrStr(message, "hint") ||
7276 StrStr(message, "random") || StrStr(message, "depth") ||
7277 StrStr(message, "accepted")) {
7280 if (StrStr(message, "protover")) {
7281 /* Program is responding to input, so it's apparently done
7282 initializing, and this error message indicates it is
7283 protocol version 1. So we don't need to wait any longer
7284 for it to initialize and send feature commands. */
7285 FeatureDone(cps, 1);
7286 cps->protocolVersion = 1;
7289 cps->maybeThinking = FALSE;
7291 if (StrStr(message, "draw")) {
7292 /* Program doesn't have "draw" command */
7293 cps->sendDrawOffers = 0;
7296 if (cps->sendTime != 1 &&
7297 (StrStr(message, "time") || StrStr(message, "otim"))) {
7298 /* Program apparently doesn't have "time" or "otim" command */
7302 if (StrStr(message, "analyze")) {
7303 cps->analysisSupport = FALSE;
7304 cps->analyzing = FALSE;
7306 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7307 DisplayError(buf2, 0);
7310 if (StrStr(message, "(no matching move)st")) {
7311 /* Special kludge for GNU Chess 4 only */
7312 cps->stKludge = TRUE;
7313 SendTimeControl(cps, movesPerSession, timeControl,
7314 timeIncrement, appData.searchDepth,
7318 if (StrStr(message, "(no matching move)sd")) {
7319 /* Special kludge for GNU Chess 4 only */
7320 cps->sdKludge = TRUE;
7321 SendTimeControl(cps, movesPerSession, timeControl,
7322 timeIncrement, appData.searchDepth,
7326 if (!StrStr(message, "llegal")) {
7329 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7330 gameMode == IcsIdle) return;
7331 if (forwardMostMove <= backwardMostMove) return;
7332 if (pausing) PauseEvent();
7333 if(appData.forceIllegal) {
7334 // [HGM] illegal: machine refused move; force position after move into it
7335 SendToProgram("force\n", cps);
7336 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7337 // we have a real problem now, as SendBoard will use the a2a3 kludge
7338 // when black is to move, while there might be nothing on a2 or black
7339 // might already have the move. So send the board as if white has the move.
7340 // But first we must change the stm of the engine, as it refused the last move
7341 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7342 if(WhiteOnMove(forwardMostMove)) {
7343 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7344 SendBoard(cps, forwardMostMove); // kludgeless board
7346 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7347 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7348 SendBoard(cps, forwardMostMove+1); // kludgeless board
7350 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7351 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7352 gameMode == TwoMachinesPlay)
7353 SendToProgram("go\n", cps);
7356 if (gameMode == PlayFromGameFile) {
7357 /* Stop reading this game file */
7358 gameMode = EditGame;
7361 currentMove = forwardMostMove-1;
7362 DisplayMove(currentMove-1); /* before DisplayMoveError */
7363 SwitchClocks(forwardMostMove-1); // [HGM] race
7364 DisplayBothClocks();
7365 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7366 parseList[currentMove], cps->which);
7367 DisplayMoveError(buf1);
7368 DrawPosition(FALSE, boards[currentMove]);
7370 /* [HGM] illegal-move claim should forfeit game when Xboard */
7371 /* only passes fully legal moves */
7372 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7373 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7374 "False illegal-move claim", GE_XBOARD );
7378 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7379 /* Program has a broken "time" command that
7380 outputs a string not ending in newline.
7386 * If chess program startup fails, exit with an error message.
7387 * Attempts to recover here are futile.
7389 if ((StrStr(message, "unknown host") != NULL)
7390 || (StrStr(message, "No remote directory") != NULL)
7391 || (StrStr(message, "not found") != NULL)
7392 || (StrStr(message, "No such file") != NULL)
7393 || (StrStr(message, "can't alloc") != NULL)
7394 || (StrStr(message, "Permission denied") != NULL)) {
7396 cps->maybeThinking = FALSE;
7397 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7398 cps->which, cps->program, cps->host, message);
7399 RemoveInputSource(cps->isr);
7400 DisplayFatalError(buf1, 0, 1);
7405 * Look for hint output
7407 if (sscanf(message, "Hint: %s", buf1) == 1) {
7408 if (cps == &first && hintRequested) {
7409 hintRequested = FALSE;
7410 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7411 &fromX, &fromY, &toX, &toY, &promoChar)) {
7412 (void) CoordsToAlgebraic(boards[forwardMostMove],
7413 PosFlags(forwardMostMove),
7414 fromY, fromX, toY, toX, promoChar, buf1);
7415 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7416 DisplayInformation(buf2);
7418 /* Hint move could not be parsed!? */
7419 snprintf(buf2, sizeof(buf2),
7420 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7422 DisplayError(buf2, 0);
7425 strcpy(lastHint, buf1);
7431 * Ignore other messages if game is not in progress
7433 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7434 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7437 * look for win, lose, draw, or draw offer
7439 if (strncmp(message, "1-0", 3) == 0) {
7440 char *p, *q, *r = "";
7441 p = strchr(message, '{');
7449 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7451 } else if (strncmp(message, "0-1", 3) == 0) {
7452 char *p, *q, *r = "";
7453 p = strchr(message, '{');
7461 /* Kludge for Arasan 4.1 bug */
7462 if (strcmp(r, "Black resigns") == 0) {
7463 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7466 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7468 } else if (strncmp(message, "1/2", 3) == 0) {
7469 char *p, *q, *r = "";
7470 p = strchr(message, '{');
7479 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7482 } else if (strncmp(message, "White resign", 12) == 0) {
7483 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7485 } else if (strncmp(message, "Black resign", 12) == 0) {
7486 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7488 } else if (strncmp(message, "White matches", 13) == 0 ||
7489 strncmp(message, "Black matches", 13) == 0 ) {
7490 /* [HGM] ignore GNUShogi noises */
7492 } else if (strncmp(message, "White", 5) == 0 &&
7493 message[5] != '(' &&
7494 StrStr(message, "Black") == NULL) {
7495 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7497 } else if (strncmp(message, "Black", 5) == 0 &&
7498 message[5] != '(') {
7499 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7501 } else if (strcmp(message, "resign") == 0 ||
7502 strcmp(message, "computer resigns") == 0) {
7504 case MachinePlaysBlack:
7505 case IcsPlayingBlack:
7506 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7508 case MachinePlaysWhite:
7509 case IcsPlayingWhite:
7510 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7512 case TwoMachinesPlay:
7513 if (cps->twoMachinesColor[0] == 'w')
7514 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7516 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7523 } else if (strncmp(message, "opponent mates", 14) == 0) {
7525 case MachinePlaysBlack:
7526 case IcsPlayingBlack:
7527 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7529 case MachinePlaysWhite:
7530 case IcsPlayingWhite:
7531 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7533 case TwoMachinesPlay:
7534 if (cps->twoMachinesColor[0] == 'w')
7535 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7537 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7544 } else if (strncmp(message, "computer mates", 14) == 0) {
7546 case MachinePlaysBlack:
7547 case IcsPlayingBlack:
7548 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7550 case MachinePlaysWhite:
7551 case IcsPlayingWhite:
7552 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7554 case TwoMachinesPlay:
7555 if (cps->twoMachinesColor[0] == 'w')
7556 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7558 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7565 } else if (strncmp(message, "checkmate", 9) == 0) {
7566 if (WhiteOnMove(forwardMostMove)) {
7567 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7569 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7572 } else if (strstr(message, "Draw") != NULL ||
7573 strstr(message, "game is a draw") != NULL) {
7574 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7576 } else if (strstr(message, "offer") != NULL &&
7577 strstr(message, "draw") != NULL) {
7579 if (appData.zippyPlay && first.initDone) {
7580 /* Relay offer to ICS */
7581 SendToICS(ics_prefix);
7582 SendToICS("draw\n");
7585 cps->offeredDraw = 2; /* valid until this engine moves twice */
7586 if (gameMode == TwoMachinesPlay) {
7587 if (cps->other->offeredDraw) {
7588 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7589 /* [HGM] in two-machine mode we delay relaying draw offer */
7590 /* until after we also have move, to see if it is really claim */
7592 } else if (gameMode == MachinePlaysWhite ||
7593 gameMode == MachinePlaysBlack) {
7594 if (userOfferedDraw) {
7595 DisplayInformation(_("Machine accepts your draw offer"));
7596 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7598 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7605 * Look for thinking output
7607 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7608 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7610 int plylev, mvleft, mvtot, curscore, time;
7611 char mvname[MOVE_LEN];
7615 int prefixHint = FALSE;
7616 mvname[0] = NULLCHAR;
7619 case MachinePlaysBlack:
7620 case IcsPlayingBlack:
7621 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7623 case MachinePlaysWhite:
7624 case IcsPlayingWhite:
7625 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7630 case IcsObserving: /* [DM] icsEngineAnalyze */
7631 if (!appData.icsEngineAnalyze) ignore = TRUE;
7633 case TwoMachinesPlay:
7634 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7645 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7646 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7648 if (plyext != ' ' && plyext != '\t') {
7652 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7653 if( cps->scoreIsAbsolute &&
7654 ( gameMode == MachinePlaysBlack ||
7655 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7656 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7657 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7658 !WhiteOnMove(currentMove)
7661 curscore = -curscore;
7665 programStats.depth = plylev;
7666 programStats.nodes = nodes;
7667 programStats.time = time;
7668 programStats.score = curscore;
7669 programStats.got_only_move = 0;
7671 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7674 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7675 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7676 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7677 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7678 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7679 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7680 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7681 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7684 /* Buffer overflow protection */
7685 if (buf1[0] != NULLCHAR) {
7686 if (strlen(buf1) >= sizeof(programStats.movelist)
7687 && appData.debugMode) {
7689 "PV is too long; using the first %u bytes.\n",
7690 (unsigned) sizeof(programStats.movelist) - 1);
7693 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7695 sprintf(programStats.movelist, " no PV\n");
7698 if (programStats.seen_stat) {
7699 programStats.ok_to_send = 1;
7702 if (strchr(programStats.movelist, '(') != NULL) {
7703 programStats.line_is_book = 1;
7704 programStats.nr_moves = 0;
7705 programStats.moves_left = 0;
7707 programStats.line_is_book = 0;
7710 SendProgramStatsToFrontend( cps, &programStats );
7713 [AS] Protect the thinkOutput buffer from overflow... this
7714 is only useful if buf1 hasn't overflowed first!
7716 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7718 (gameMode == TwoMachinesPlay ?
7719 ToUpper(cps->twoMachinesColor[0]) : ' '),
7720 ((double) curscore) / 100.0,
7721 prefixHint ? lastHint : "",
7722 prefixHint ? " " : "" );
7724 if( buf1[0] != NULLCHAR ) {
7725 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7727 if( strlen(buf1) > max_len ) {
7728 if( appData.debugMode) {
7729 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7731 buf1[max_len+1] = '\0';
7734 strcat( thinkOutput, buf1 );
7737 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7738 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7739 DisplayMove(currentMove - 1);
7743 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7744 /* crafty (9.25+) says "(only move) <move>"
7745 * if there is only 1 legal move
7747 sscanf(p, "(only move) %s", buf1);
7748 sprintf(thinkOutput, "%s (only move)", buf1);
7749 sprintf(programStats.movelist, "%s (only move)", buf1);
7750 programStats.depth = 1;
7751 programStats.nr_moves = 1;
7752 programStats.moves_left = 1;
7753 programStats.nodes = 1;
7754 programStats.time = 1;
7755 programStats.got_only_move = 1;
7757 /* Not really, but we also use this member to
7758 mean "line isn't going to change" (Crafty
7759 isn't searching, so stats won't change) */
7760 programStats.line_is_book = 1;
7762 SendProgramStatsToFrontend( cps, &programStats );
7764 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7765 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7766 DisplayMove(currentMove - 1);
7769 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7770 &time, &nodes, &plylev, &mvleft,
7771 &mvtot, mvname) >= 5) {
7772 /* The stat01: line is from Crafty (9.29+) in response
7773 to the "." command */
7774 programStats.seen_stat = 1;
7775 cps->maybeThinking = TRUE;
7777 if (programStats.got_only_move || !appData.periodicUpdates)
7780 programStats.depth = plylev;
7781 programStats.time = time;
7782 programStats.nodes = nodes;
7783 programStats.moves_left = mvleft;
7784 programStats.nr_moves = mvtot;
7785 strcpy(programStats.move_name, mvname);
7786 programStats.ok_to_send = 1;
7787 programStats.movelist[0] = '\0';
7789 SendProgramStatsToFrontend( cps, &programStats );
7793 } else if (strncmp(message,"++",2) == 0) {
7794 /* Crafty 9.29+ outputs this */
7795 programStats.got_fail = 2;
7798 } else if (strncmp(message,"--",2) == 0) {
7799 /* Crafty 9.29+ outputs this */
7800 programStats.got_fail = 1;
7803 } else if (thinkOutput[0] != NULLCHAR &&
7804 strncmp(message, " ", 4) == 0) {
7805 unsigned message_len;
7808 while (*p && *p == ' ') p++;
7810 message_len = strlen( p );
7812 /* [AS] Avoid buffer overflow */
7813 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7814 strcat(thinkOutput, " ");
7815 strcat(thinkOutput, p);
7818 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7819 strcat(programStats.movelist, " ");
7820 strcat(programStats.movelist, p);
7823 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7824 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7825 DisplayMove(currentMove - 1);
7833 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7834 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7836 ChessProgramStats cpstats;
7838 if (plyext != ' ' && plyext != '\t') {
7842 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7843 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7844 curscore = -curscore;
7847 cpstats.depth = plylev;
7848 cpstats.nodes = nodes;
7849 cpstats.time = time;
7850 cpstats.score = curscore;
7851 cpstats.got_only_move = 0;
7852 cpstats.movelist[0] = '\0';
7854 if (buf1[0] != NULLCHAR) {
7855 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7858 cpstats.ok_to_send = 0;
7859 cpstats.line_is_book = 0;
7860 cpstats.nr_moves = 0;
7861 cpstats.moves_left = 0;
7863 SendProgramStatsToFrontend( cps, &cpstats );
7870 /* Parse a game score from the character string "game", and
7871 record it as the history of the current game. The game
7872 score is NOT assumed to start from the standard position.
7873 The display is not updated in any way.
7876 ParseGameHistory(game)
7880 int fromX, fromY, toX, toY, boardIndex;
7885 if (appData.debugMode)
7886 fprintf(debugFP, "Parsing game history: %s\n", game);
7888 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7889 gameInfo.site = StrSave(appData.icsHost);
7890 gameInfo.date = PGNDate();
7891 gameInfo.round = StrSave("-");
7893 /* Parse out names of players */
7894 while (*game == ' ') game++;
7896 while (*game != ' ') *p++ = *game++;
7898 gameInfo.white = StrSave(buf);
7899 while (*game == ' ') game++;
7901 while (*game != ' ' && *game != '\n') *p++ = *game++;
7903 gameInfo.black = StrSave(buf);
7906 boardIndex = blackPlaysFirst ? 1 : 0;
7909 yyboardindex = boardIndex;
7910 moveType = (ChessMove) yylex();
7912 case IllegalMove: /* maybe suicide chess, etc. */
7913 if (appData.debugMode) {
7914 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7915 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7916 setbuf(debugFP, NULL);
7918 case WhitePromotionChancellor:
7919 case BlackPromotionChancellor:
7920 case WhitePromotionArchbishop:
7921 case BlackPromotionArchbishop:
7922 case WhitePromotionQueen:
7923 case BlackPromotionQueen:
7924 case WhitePromotionRook:
7925 case BlackPromotionRook:
7926 case WhitePromotionBishop:
7927 case BlackPromotionBishop:
7928 case WhitePromotionKnight:
7929 case BlackPromotionKnight:
7930 case WhitePromotionKing:
7931 case BlackPromotionKing:
7933 case WhiteCapturesEnPassant:
7934 case BlackCapturesEnPassant:
7935 case WhiteKingSideCastle:
7936 case WhiteQueenSideCastle:
7937 case BlackKingSideCastle:
7938 case BlackQueenSideCastle:
7939 case WhiteKingSideCastleWild:
7940 case WhiteQueenSideCastleWild:
7941 case BlackKingSideCastleWild:
7942 case BlackQueenSideCastleWild:
7944 case WhiteHSideCastleFR:
7945 case WhiteASideCastleFR:
7946 case BlackHSideCastleFR:
7947 case BlackASideCastleFR:
7949 fromX = currentMoveString[0] - AAA;
7950 fromY = currentMoveString[1] - ONE;
7951 toX = currentMoveString[2] - AAA;
7952 toY = currentMoveString[3] - ONE;
7953 promoChar = currentMoveString[4];
7957 fromX = moveType == WhiteDrop ?
7958 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7959 (int) CharToPiece(ToLower(currentMoveString[0]));
7961 toX = currentMoveString[2] - AAA;
7962 toY = currentMoveString[3] - ONE;
7963 promoChar = NULLCHAR;
7967 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7968 if (appData.debugMode) {
7969 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7970 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7971 setbuf(debugFP, NULL);
7973 DisplayError(buf, 0);
7975 case ImpossibleMove:
7977 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7978 if (appData.debugMode) {
7979 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7980 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7981 setbuf(debugFP, NULL);
7983 DisplayError(buf, 0);
7985 case (ChessMove) 0: /* end of file */
7986 if (boardIndex < backwardMostMove) {
7987 /* Oops, gap. How did that happen? */
7988 DisplayError(_("Gap in move list"), 0);
7991 backwardMostMove = blackPlaysFirst ? 1 : 0;
7992 if (boardIndex > forwardMostMove) {
7993 forwardMostMove = boardIndex;
7997 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7998 strcat(parseList[boardIndex-1], " ");
7999 strcat(parseList[boardIndex-1], yy_text);
8011 case GameUnfinished:
8012 if (gameMode == IcsExamining) {
8013 if (boardIndex < backwardMostMove) {
8014 /* Oops, gap. How did that happen? */
8017 backwardMostMove = blackPlaysFirst ? 1 : 0;
8020 gameInfo.result = moveType;
8021 p = strchr(yy_text, '{');
8022 if (p == NULL) p = strchr(yy_text, '(');
8025 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8027 q = strchr(p, *p == '{' ? '}' : ')');
8028 if (q != NULL) *q = NULLCHAR;
8031 gameInfo.resultDetails = StrSave(p);
8034 if (boardIndex >= forwardMostMove &&
8035 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8036 backwardMostMove = blackPlaysFirst ? 1 : 0;
8039 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8040 fromY, fromX, toY, toX, promoChar,
8041 parseList[boardIndex]);
8042 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8043 /* currentMoveString is set as a side-effect of yylex */
8044 strcpy(moveList[boardIndex], currentMoveString);
8045 strcat(moveList[boardIndex], "\n");
8047 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8048 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8054 if(gameInfo.variant != VariantShogi)
8055 strcat(parseList[boardIndex - 1], "+");
8059 strcat(parseList[boardIndex - 1], "#");
8066 /* Apply a move to the given board */
8068 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8069 int fromX, fromY, toX, toY;
8073 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8074 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8076 /* [HGM] compute & store e.p. status and castling rights for new position */
8077 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8080 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8081 oldEP = (signed char)board[EP_STATUS];
8082 board[EP_STATUS] = EP_NONE;
8084 if( board[toY][toX] != EmptySquare )
8085 board[EP_STATUS] = EP_CAPTURE;
8087 if( board[fromY][fromX] == WhitePawn ) {
8088 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8089 board[EP_STATUS] = EP_PAWN_MOVE;
8091 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8092 gameInfo.variant != VariantBerolina || toX < fromX)
8093 board[EP_STATUS] = toX | berolina;
8094 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8095 gameInfo.variant != VariantBerolina || toX > fromX)
8096 board[EP_STATUS] = toX;
8099 if( board[fromY][fromX] == BlackPawn ) {
8100 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8101 board[EP_STATUS] = EP_PAWN_MOVE;
8102 if( toY-fromY== -2) {
8103 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8104 gameInfo.variant != VariantBerolina || toX < fromX)
8105 board[EP_STATUS] = toX | berolina;
8106 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8107 gameInfo.variant != VariantBerolina || toX > fromX)
8108 board[EP_STATUS] = toX;
8112 for(i=0; i<nrCastlingRights; i++) {
8113 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8114 board[CASTLING][i] == toX && castlingRank[i] == toY
8115 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8120 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8121 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8122 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8124 if (fromX == toX && fromY == toY) return;
8126 if (fromY == DROP_RANK) {
8128 piece = board[toY][toX] = (ChessSquare) fromX;
8130 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8131 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8132 if(gameInfo.variant == VariantKnightmate)
8133 king += (int) WhiteUnicorn - (int) WhiteKing;
8135 /* Code added by Tord: */
8136 /* FRC castling assumed when king captures friendly rook. */
8137 if (board[fromY][fromX] == WhiteKing &&
8138 board[toY][toX] == WhiteRook) {
8139 board[fromY][fromX] = EmptySquare;
8140 board[toY][toX] = EmptySquare;
8142 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8144 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8146 } else if (board[fromY][fromX] == BlackKing &&
8147 board[toY][toX] == BlackRook) {
8148 board[fromY][fromX] = EmptySquare;
8149 board[toY][toX] = EmptySquare;
8151 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8153 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8155 /* End of code added by Tord */
8157 } else if (board[fromY][fromX] == king
8158 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8159 && toY == fromY && toX > fromX+1) {
8160 board[fromY][fromX] = EmptySquare;
8161 board[toY][toX] = king;
8162 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8163 board[fromY][BOARD_RGHT-1] = EmptySquare;
8164 } else if (board[fromY][fromX] == king
8165 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8166 && toY == fromY && toX < fromX-1) {
8167 board[fromY][fromX] = EmptySquare;
8168 board[toY][toX] = king;
8169 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8170 board[fromY][BOARD_LEFT] = EmptySquare;
8171 } else if (board[fromY][fromX] == WhitePawn
8172 && toY >= BOARD_HEIGHT-promoRank
8173 && gameInfo.variant != VariantXiangqi
8175 /* white pawn promotion */
8176 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8177 if (board[toY][toX] == EmptySquare) {
8178 board[toY][toX] = WhiteQueen;
8180 if(gameInfo.variant==VariantBughouse ||
8181 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8182 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8183 board[fromY][fromX] = EmptySquare;
8184 } else if ((fromY == BOARD_HEIGHT-4)
8186 && gameInfo.variant != VariantXiangqi
8187 && gameInfo.variant != VariantBerolina
8188 && (board[fromY][fromX] == WhitePawn)
8189 && (board[toY][toX] == EmptySquare)) {
8190 board[fromY][fromX] = EmptySquare;
8191 board[toY][toX] = WhitePawn;
8192 captured = board[toY - 1][toX];
8193 board[toY - 1][toX] = EmptySquare;
8194 } else if ((fromY == BOARD_HEIGHT-4)
8196 && gameInfo.variant == VariantBerolina
8197 && (board[fromY][fromX] == WhitePawn)
8198 && (board[toY][toX] == EmptySquare)) {
8199 board[fromY][fromX] = EmptySquare;
8200 board[toY][toX] = WhitePawn;
8201 if(oldEP & EP_BEROLIN_A) {
8202 captured = board[fromY][fromX-1];
8203 board[fromY][fromX-1] = EmptySquare;
8204 }else{ captured = board[fromY][fromX+1];
8205 board[fromY][fromX+1] = EmptySquare;
8207 } else if (board[fromY][fromX] == king
8208 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8209 && toY == fromY && toX > fromX+1) {
8210 board[fromY][fromX] = EmptySquare;
8211 board[toY][toX] = king;
8212 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8213 board[fromY][BOARD_RGHT-1] = EmptySquare;
8214 } else if (board[fromY][fromX] == king
8215 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8216 && toY == fromY && toX < fromX-1) {
8217 board[fromY][fromX] = EmptySquare;
8218 board[toY][toX] = king;
8219 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8220 board[fromY][BOARD_LEFT] = EmptySquare;
8221 } else if (fromY == 7 && fromX == 3
8222 && board[fromY][fromX] == BlackKing
8223 && toY == 7 && toX == 5) {
8224 board[fromY][fromX] = EmptySquare;
8225 board[toY][toX] = BlackKing;
8226 board[fromY][7] = EmptySquare;
8227 board[toY][4] = BlackRook;
8228 } else if (fromY == 7 && fromX == 3
8229 && board[fromY][fromX] == BlackKing
8230 && toY == 7 && toX == 1) {
8231 board[fromY][fromX] = EmptySquare;
8232 board[toY][toX] = BlackKing;
8233 board[fromY][0] = EmptySquare;
8234 board[toY][2] = BlackRook;
8235 } else if (board[fromY][fromX] == BlackPawn
8237 && gameInfo.variant != VariantXiangqi
8239 /* black pawn promotion */
8240 board[toY][toX] = CharToPiece(ToLower(promoChar));
8241 if (board[toY][toX] == EmptySquare) {
8242 board[toY][toX] = BlackQueen;
8244 if(gameInfo.variant==VariantBughouse ||
8245 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8246 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8247 board[fromY][fromX] = EmptySquare;
8248 } else if ((fromY == 3)
8250 && gameInfo.variant != VariantXiangqi
8251 && gameInfo.variant != VariantBerolina
8252 && (board[fromY][fromX] == BlackPawn)
8253 && (board[toY][toX] == EmptySquare)) {
8254 board[fromY][fromX] = EmptySquare;
8255 board[toY][toX] = BlackPawn;
8256 captured = board[toY + 1][toX];
8257 board[toY + 1][toX] = EmptySquare;
8258 } else if ((fromY == 3)
8260 && gameInfo.variant == VariantBerolina
8261 && (board[fromY][fromX] == BlackPawn)
8262 && (board[toY][toX] == EmptySquare)) {
8263 board[fromY][fromX] = EmptySquare;
8264 board[toY][toX] = BlackPawn;
8265 if(oldEP & EP_BEROLIN_A) {
8266 captured = board[fromY][fromX-1];
8267 board[fromY][fromX-1] = EmptySquare;
8268 }else{ captured = board[fromY][fromX+1];
8269 board[fromY][fromX+1] = EmptySquare;
8272 board[toY][toX] = board[fromY][fromX];
8273 board[fromY][fromX] = EmptySquare;
8276 /* [HGM] now we promote for Shogi, if needed */
8277 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8278 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8281 if (gameInfo.holdingsWidth != 0) {
8283 /* !!A lot more code needs to be written to support holdings */
8284 /* [HGM] OK, so I have written it. Holdings are stored in the */
8285 /* penultimate board files, so they are automaticlly stored */
8286 /* in the game history. */
8287 if (fromY == DROP_RANK) {
8288 /* Delete from holdings, by decreasing count */
8289 /* and erasing image if necessary */
8291 if(p < (int) BlackPawn) { /* white drop */
8292 p -= (int)WhitePawn;
8293 p = PieceToNumber((ChessSquare)p);
8294 if(p >= gameInfo.holdingsSize) p = 0;
8295 if(--board[p][BOARD_WIDTH-2] <= 0)
8296 board[p][BOARD_WIDTH-1] = EmptySquare;
8297 if((int)board[p][BOARD_WIDTH-2] < 0)
8298 board[p][BOARD_WIDTH-2] = 0;
8299 } else { /* black drop */
8300 p -= (int)BlackPawn;
8301 p = PieceToNumber((ChessSquare)p);
8302 if(p >= gameInfo.holdingsSize) p = 0;
8303 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8304 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8305 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8306 board[BOARD_HEIGHT-1-p][1] = 0;
8309 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8310 && gameInfo.variant != VariantBughouse ) {
8311 /* [HGM] holdings: Add to holdings, if holdings exist */
8312 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8313 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8314 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8317 if (p >= (int) BlackPawn) {
8318 p -= (int)BlackPawn;
8319 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8320 /* in Shogi restore piece to its original first */
8321 captured = (ChessSquare) (DEMOTED captured);
8324 p = PieceToNumber((ChessSquare)p);
8325 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8326 board[p][BOARD_WIDTH-2]++;
8327 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8329 p -= (int)WhitePawn;
8330 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8331 captured = (ChessSquare) (DEMOTED captured);
8334 p = PieceToNumber((ChessSquare)p);
8335 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8336 board[BOARD_HEIGHT-1-p][1]++;
8337 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8340 } else if (gameInfo.variant == VariantAtomic) {
8341 if (captured != EmptySquare) {
8343 for (y = toY-1; y <= toY+1; y++) {
8344 for (x = toX-1; x <= toX+1; x++) {
8345 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8346 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8347 board[y][x] = EmptySquare;
8351 board[toY][toX] = EmptySquare;
8354 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8355 /* [HGM] Shogi promotions */
8356 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8359 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8360 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8361 // [HGM] superchess: take promotion piece out of holdings
8362 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8363 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8364 if(!--board[k][BOARD_WIDTH-2])
8365 board[k][BOARD_WIDTH-1] = EmptySquare;
8367 if(!--board[BOARD_HEIGHT-1-k][1])
8368 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8374 /* Updates forwardMostMove */
8376 MakeMove(fromX, fromY, toX, toY, promoChar)
8377 int fromX, fromY, toX, toY;
8380 // forwardMostMove++; // [HGM] bare: moved downstream
8382 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8383 int timeLeft; static int lastLoadFlag=0; int king, piece;
8384 piece = boards[forwardMostMove][fromY][fromX];
8385 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8386 if(gameInfo.variant == VariantKnightmate)
8387 king += (int) WhiteUnicorn - (int) WhiteKing;
8388 if(forwardMostMove == 0) {
8390 fprintf(serverMoves, "%s;", second.tidy);
8391 fprintf(serverMoves, "%s;", first.tidy);
8392 if(!blackPlaysFirst)
8393 fprintf(serverMoves, "%s;", second.tidy);
8394 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8395 lastLoadFlag = loadFlag;
8397 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8398 // print castling suffix
8399 if( toY == fromY && piece == king ) {
8401 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8403 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8406 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8407 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8408 boards[forwardMostMove][toY][toX] == EmptySquare
8410 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8412 if(promoChar != NULLCHAR)
8413 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8415 fprintf(serverMoves, "/%d/%d",
8416 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8417 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8418 else timeLeft = blackTimeRemaining/1000;
8419 fprintf(serverMoves, "/%d", timeLeft);
8421 fflush(serverMoves);
8424 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8425 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8429 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8430 if (commentList[forwardMostMove+1] != NULL) {
8431 free(commentList[forwardMostMove+1]);
8432 commentList[forwardMostMove+1] = NULL;
8434 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8435 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8436 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8437 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8438 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8439 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8440 gameInfo.result = GameUnfinished;
8441 if (gameInfo.resultDetails != NULL) {
8442 free(gameInfo.resultDetails);
8443 gameInfo.resultDetails = NULL;
8445 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8446 moveList[forwardMostMove - 1]);
8447 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8448 PosFlags(forwardMostMove - 1),
8449 fromY, fromX, toY, toX, promoChar,
8450 parseList[forwardMostMove - 1]);
8451 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8457 if(gameInfo.variant != VariantShogi)
8458 strcat(parseList[forwardMostMove - 1], "+");
8462 strcat(parseList[forwardMostMove - 1], "#");
8465 if (appData.debugMode) {
8466 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8471 /* Updates currentMove if not pausing */
8473 ShowMove(fromX, fromY, toX, toY)
8475 int instant = (gameMode == PlayFromGameFile) ?
8476 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8477 if(appData.noGUI) return;
8478 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8480 if (forwardMostMove == currentMove + 1) {
8481 AnimateMove(boards[forwardMostMove - 1],
8482 fromX, fromY, toX, toY);
8484 if (appData.highlightLastMove) {
8485 SetHighlights(fromX, fromY, toX, toY);
8488 currentMove = forwardMostMove;
8491 if (instant) return;
8493 DisplayMove(currentMove - 1);
8494 DrawPosition(FALSE, boards[currentMove]);
8495 DisplayBothClocks();
8496 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8499 void SendEgtPath(ChessProgramState *cps)
8500 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8501 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8503 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8506 char c, *q = name+1, *r, *s;
8508 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8509 while(*p && *p != ',') *q++ = *p++;
8511 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8512 strcmp(name, ",nalimov:") == 0 ) {
8513 // take nalimov path from the menu-changeable option first, if it is defined
8514 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8515 SendToProgram(buf,cps); // send egtbpath command for nalimov
8517 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8518 (s = StrStr(appData.egtFormats, name)) != NULL) {
8519 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8520 s = r = StrStr(s, ":") + 1; // beginning of path info
8521 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8522 c = *r; *r = 0; // temporarily null-terminate path info
8523 *--q = 0; // strip of trailig ':' from name
8524 sprintf(buf, "egtpath %s %s\n", name+1, s);
8526 SendToProgram(buf,cps); // send egtbpath command for this format
8528 if(*p == ',') p++; // read away comma to position for next format name
8533 InitChessProgram(cps, setup)
8534 ChessProgramState *cps;
8535 int setup; /* [HGM] needed to setup FRC opening position */
8537 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8538 if (appData.noChessProgram) return;
8539 hintRequested = FALSE;
8540 bookRequested = FALSE;
8542 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8543 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8544 if(cps->memSize) { /* [HGM] memory */
8545 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8546 SendToProgram(buf, cps);
8548 SendEgtPath(cps); /* [HGM] EGT */
8549 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8550 sprintf(buf, "cores %d\n", appData.smpCores);
8551 SendToProgram(buf, cps);
8554 SendToProgram(cps->initString, cps);
8555 if (gameInfo.variant != VariantNormal &&
8556 gameInfo.variant != VariantLoadable
8557 /* [HGM] also send variant if board size non-standard */
8558 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8560 char *v = VariantName(gameInfo.variant);
8561 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8562 /* [HGM] in protocol 1 we have to assume all variants valid */
8563 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8564 DisplayFatalError(buf, 0, 1);
8568 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8569 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8570 if( gameInfo.variant == VariantXiangqi )
8571 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8572 if( gameInfo.variant == VariantShogi )
8573 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8574 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8575 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8576 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8577 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8578 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8579 if( gameInfo.variant == VariantCourier )
8580 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8581 if( gameInfo.variant == VariantSuper )
8582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8583 if( gameInfo.variant == VariantGreat )
8584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8587 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8588 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8589 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8590 if(StrStr(cps->variants, b) == NULL) {
8591 // specific sized variant not known, check if general sizing allowed
8592 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8593 if(StrStr(cps->variants, "boardsize") == NULL) {
8594 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8595 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8596 DisplayFatalError(buf, 0, 1);
8599 /* [HGM] here we really should compare with the maximum supported board size */
8602 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8603 sprintf(buf, "variant %s\n", b);
8604 SendToProgram(buf, cps);
8606 currentlyInitializedVariant = gameInfo.variant;
8608 /* [HGM] send opening position in FRC to first engine */
8610 SendToProgram("force\n", cps);
8612 /* engine is now in force mode! Set flag to wake it up after first move. */
8613 setboardSpoiledMachineBlack = 1;
8617 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8618 SendToProgram(buf, cps);
8620 cps->maybeThinking = FALSE;
8621 cps->offeredDraw = 0;
8622 if (!appData.icsActive) {
8623 SendTimeControl(cps, movesPerSession, timeControl,
8624 timeIncrement, appData.searchDepth,
8627 if (appData.showThinking
8628 // [HGM] thinking: four options require thinking output to be sent
8629 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8631 SendToProgram("post\n", cps);
8633 SendToProgram("hard\n", cps);
8634 if (!appData.ponderNextMove) {
8635 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8636 it without being sure what state we are in first. "hard"
8637 is not a toggle, so that one is OK.
8639 SendToProgram("easy\n", cps);
8642 sprintf(buf, "ping %d\n", ++cps->lastPing);
8643 SendToProgram(buf, cps);
8645 cps->initDone = TRUE;
8650 StartChessProgram(cps)
8651 ChessProgramState *cps;
8656 if (appData.noChessProgram) return;
8657 cps->initDone = FALSE;
8659 if (strcmp(cps->host, "localhost") == 0) {
8660 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8661 } else if (*appData.remoteShell == NULLCHAR) {
8662 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8664 if (*appData.remoteUser == NULLCHAR) {
8665 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8668 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8669 cps->host, appData.remoteUser, cps->program);
8671 err = StartChildProcess(buf, "", &cps->pr);
8675 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8676 DisplayFatalError(buf, err, 1);
8682 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8683 if (cps->protocolVersion > 1) {
8684 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8685 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8686 cps->comboCnt = 0; // and values of combo boxes
8687 SendToProgram(buf, cps);
8689 SendToProgram("xboard\n", cps);
8695 TwoMachinesEventIfReady P((void))
8697 if (first.lastPing != first.lastPong) {
8698 DisplayMessage("", _("Waiting for first chess program"));
8699 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8702 if (second.lastPing != second.lastPong) {
8703 DisplayMessage("", _("Waiting for second chess program"));
8704 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8712 NextMatchGame P((void))
8714 int index; /* [HGM] autoinc: step load index during match */
8716 if (*appData.loadGameFile != NULLCHAR) {
8717 index = appData.loadGameIndex;
8718 if(index < 0) { // [HGM] autoinc
8719 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8720 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8722 LoadGameFromFile(appData.loadGameFile,
8724 appData.loadGameFile, FALSE);
8725 } else if (*appData.loadPositionFile != NULLCHAR) {
8726 index = appData.loadPositionIndex;
8727 if(index < 0) { // [HGM] autoinc
8728 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8729 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8731 LoadPositionFromFile(appData.loadPositionFile,
8733 appData.loadPositionFile);
8735 TwoMachinesEventIfReady();
8738 void UserAdjudicationEvent( int result )
8740 ChessMove gameResult = GameIsDrawn;
8743 gameResult = WhiteWins;
8745 else if( result < 0 ) {
8746 gameResult = BlackWins;
8749 if( gameMode == TwoMachinesPlay ) {
8750 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8755 // [HGM] save: calculate checksum of game to make games easily identifiable
8756 int StringCheckSum(char *s)
8759 if(s==NULL) return 0;
8760 while(*s) i = i*259 + *s++;
8767 for(i=backwardMostMove; i<forwardMostMove; i++) {
8768 sum += pvInfoList[i].depth;
8769 sum += StringCheckSum(parseList[i]);
8770 sum += StringCheckSum(commentList[i]);
8773 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8774 return sum + StringCheckSum(commentList[i]);
8775 } // end of save patch
8778 GameEnds(result, resultDetails, whosays)
8780 char *resultDetails;
8783 GameMode nextGameMode;
8787 if(endingGame) return; /* [HGM] crash: forbid recursion */
8790 if (appData.debugMode) {
8791 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8792 result, resultDetails ? resultDetails : "(null)", whosays);
8795 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8797 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8798 /* If we are playing on ICS, the server decides when the
8799 game is over, but the engine can offer to draw, claim
8803 if (appData.zippyPlay && first.initDone) {
8804 if (result == GameIsDrawn) {
8805 /* In case draw still needs to be claimed */
8806 SendToICS(ics_prefix);
8807 SendToICS("draw\n");
8808 } else if (StrCaseStr(resultDetails, "resign")) {
8809 SendToICS(ics_prefix);
8810 SendToICS("resign\n");
8814 endingGame = 0; /* [HGM] crash */
8818 /* If we're loading the game from a file, stop */
8819 if (whosays == GE_FILE) {
8820 (void) StopLoadGameTimer();
8824 /* Cancel draw offers */
8825 first.offeredDraw = second.offeredDraw = 0;
8827 /* If this is an ICS game, only ICS can really say it's done;
8828 if not, anyone can. */
8829 isIcsGame = (gameMode == IcsPlayingWhite ||
8830 gameMode == IcsPlayingBlack ||
8831 gameMode == IcsObserving ||
8832 gameMode == IcsExamining);
8834 if (!isIcsGame || whosays == GE_ICS) {
8835 /* OK -- not an ICS game, or ICS said it was done */
8837 if (!isIcsGame && !appData.noChessProgram)
8838 SetUserThinkingEnables();
8840 /* [HGM] if a machine claims the game end we verify this claim */
8841 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8842 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8844 ChessMove trueResult = (ChessMove) -1;
8846 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8847 first.twoMachinesColor[0] :
8848 second.twoMachinesColor[0] ;
8850 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8851 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8852 /* [HGM] verify: engine mate claims accepted if they were flagged */
8853 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8855 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8856 /* [HGM] verify: engine mate claims accepted if they were flagged */
8857 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8859 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8860 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8863 // now verify win claims, but not in drop games, as we don't understand those yet
8864 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8865 || gameInfo.variant == VariantGreat) &&
8866 (result == WhiteWins && claimer == 'w' ||
8867 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8868 if (appData.debugMode) {
8869 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8870 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8872 if(result != trueResult) {
8873 sprintf(buf, "False win claim: '%s'", resultDetails);
8874 result = claimer == 'w' ? BlackWins : WhiteWins;
8875 resultDetails = buf;
8878 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8879 && (forwardMostMove <= backwardMostMove ||
8880 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8881 (claimer=='b')==(forwardMostMove&1))
8883 /* [HGM] verify: draws that were not flagged are false claims */
8884 sprintf(buf, "False draw claim: '%s'", resultDetails);
8885 result = claimer == 'w' ? BlackWins : WhiteWins;
8886 resultDetails = buf;
8888 /* (Claiming a loss is accepted no questions asked!) */
8890 /* [HGM] bare: don't allow bare King to win */
8891 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8892 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8893 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8894 && result != GameIsDrawn)
8895 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8896 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8897 int p = (signed char)boards[forwardMostMove][i][j] - color;
8898 if(p >= 0 && p <= (int)WhiteKing) k++;
8900 if (appData.debugMode) {
8901 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8902 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8905 result = GameIsDrawn;
8906 sprintf(buf, "%s but bare king", resultDetails);
8907 resultDetails = buf;
8913 if(serverMoves != NULL && !loadFlag) { char c = '=';
8914 if(result==WhiteWins) c = '+';
8915 if(result==BlackWins) c = '-';
8916 if(resultDetails != NULL)
8917 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8919 if (resultDetails != NULL) {
8920 gameInfo.result = result;
8921 gameInfo.resultDetails = StrSave(resultDetails);
8923 /* display last move only if game was not loaded from file */
8924 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8925 DisplayMove(currentMove - 1);
8927 if (forwardMostMove != 0) {
8928 if (gameMode != PlayFromGameFile && gameMode != EditGame
8929 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8931 if (*appData.saveGameFile != NULLCHAR) {
8932 SaveGameToFile(appData.saveGameFile, TRUE);
8933 } else if (appData.autoSaveGames) {
8936 if (*appData.savePositionFile != NULLCHAR) {
8937 SavePositionToFile(appData.savePositionFile);
8942 /* Tell program how game ended in case it is learning */
8943 /* [HGM] Moved this to after saving the PGN, just in case */
8944 /* engine died and we got here through time loss. In that */
8945 /* case we will get a fatal error writing the pipe, which */
8946 /* would otherwise lose us the PGN. */
8947 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8948 /* output during GameEnds should never be fatal anymore */
8949 if (gameMode == MachinePlaysWhite ||
8950 gameMode == MachinePlaysBlack ||
8951 gameMode == TwoMachinesPlay ||
8952 gameMode == IcsPlayingWhite ||
8953 gameMode == IcsPlayingBlack ||
8954 gameMode == BeginningOfGame) {
8956 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8958 if (first.pr != NoProc) {
8959 SendToProgram(buf, &first);
8961 if (second.pr != NoProc &&
8962 gameMode == TwoMachinesPlay) {
8963 SendToProgram(buf, &second);
8968 if (appData.icsActive) {
8969 if (appData.quietPlay &&
8970 (gameMode == IcsPlayingWhite ||
8971 gameMode == IcsPlayingBlack)) {
8972 SendToICS(ics_prefix);
8973 SendToICS("set shout 1\n");
8975 nextGameMode = IcsIdle;
8976 ics_user_moved = FALSE;
8977 /* clean up premove. It's ugly when the game has ended and the
8978 * premove highlights are still on the board.
8982 ClearPremoveHighlights();
8983 DrawPosition(FALSE, boards[currentMove]);
8985 if (whosays == GE_ICS) {
8988 if (gameMode == IcsPlayingWhite)
8990 else if(gameMode == IcsPlayingBlack)
8994 if (gameMode == IcsPlayingBlack)
8996 else if(gameMode == IcsPlayingWhite)
9003 PlayIcsUnfinishedSound();
9006 } else if (gameMode == EditGame ||
9007 gameMode == PlayFromGameFile ||
9008 gameMode == AnalyzeMode ||
9009 gameMode == AnalyzeFile) {
9010 nextGameMode = gameMode;
9012 nextGameMode = EndOfGame;
9017 nextGameMode = gameMode;
9020 if (appData.noChessProgram) {
9021 gameMode = nextGameMode;
9023 endingGame = 0; /* [HGM] crash */
9028 /* Put first chess program into idle state */
9029 if (first.pr != NoProc &&
9030 (gameMode == MachinePlaysWhite ||
9031 gameMode == MachinePlaysBlack ||
9032 gameMode == TwoMachinesPlay ||
9033 gameMode == IcsPlayingWhite ||
9034 gameMode == IcsPlayingBlack ||
9035 gameMode == BeginningOfGame)) {
9036 SendToProgram("force\n", &first);
9037 if (first.usePing) {
9039 sprintf(buf, "ping %d\n", ++first.lastPing);
9040 SendToProgram(buf, &first);
9043 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9044 /* Kill off first chess program */
9045 if (first.isr != NULL)
9046 RemoveInputSource(first.isr);
9049 if (first.pr != NoProc) {
9051 DoSleep( appData.delayBeforeQuit );
9052 SendToProgram("quit\n", &first);
9053 DoSleep( appData.delayAfterQuit );
9054 DestroyChildProcess(first.pr, first.useSigterm);
9059 /* Put second chess program into idle state */
9060 if (second.pr != NoProc &&
9061 gameMode == TwoMachinesPlay) {
9062 SendToProgram("force\n", &second);
9063 if (second.usePing) {
9065 sprintf(buf, "ping %d\n", ++second.lastPing);
9066 SendToProgram(buf, &second);
9069 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9070 /* Kill off second chess program */
9071 if (second.isr != NULL)
9072 RemoveInputSource(second.isr);
9075 if (second.pr != NoProc) {
9076 DoSleep( appData.delayBeforeQuit );
9077 SendToProgram("quit\n", &second);
9078 DoSleep( appData.delayAfterQuit );
9079 DestroyChildProcess(second.pr, second.useSigterm);
9084 if (matchMode && gameMode == TwoMachinesPlay) {
9087 if (first.twoMachinesColor[0] == 'w') {
9094 if (first.twoMachinesColor[0] == 'b') {
9103 if (matchGame < appData.matchGames) {
9105 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9106 tmp = first.twoMachinesColor;
9107 first.twoMachinesColor = second.twoMachinesColor;
9108 second.twoMachinesColor = tmp;
9110 gameMode = nextGameMode;
9112 if(appData.matchPause>10000 || appData.matchPause<10)
9113 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9114 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9115 endingGame = 0; /* [HGM] crash */
9119 gameMode = nextGameMode;
9120 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9121 first.tidy, second.tidy,
9122 first.matchWins, second.matchWins,
9123 appData.matchGames - (first.matchWins + second.matchWins));
9124 DisplayFatalError(buf, 0, 0);
9127 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9128 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9130 gameMode = nextGameMode;
9132 endingGame = 0; /* [HGM] crash */
9135 /* Assumes program was just initialized (initString sent).
9136 Leaves program in force mode. */
9138 FeedMovesToProgram(cps, upto)
9139 ChessProgramState *cps;
9144 if (appData.debugMode)
9145 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9146 startedFromSetupPosition ? "position and " : "",
9147 backwardMostMove, upto, cps->which);
9148 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9149 // [HGM] variantswitch: make engine aware of new variant
9150 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9151 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9152 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9153 SendToProgram(buf, cps);
9154 currentlyInitializedVariant = gameInfo.variant;
9156 SendToProgram("force\n", cps);
9157 if (startedFromSetupPosition) {
9158 SendBoard(cps, backwardMostMove);
9159 if (appData.debugMode) {
9160 fprintf(debugFP, "feedMoves\n");
9163 for (i = backwardMostMove; i < upto; i++) {
9164 SendMoveToProgram(i, cps);
9170 ResurrectChessProgram()
9172 /* The chess program may have exited.
9173 If so, restart it and feed it all the moves made so far. */
9175 if (appData.noChessProgram || first.pr != NoProc) return;
9177 StartChessProgram(&first);
9178 InitChessProgram(&first, FALSE);
9179 FeedMovesToProgram(&first, currentMove);
9181 if (!first.sendTime) {
9182 /* can't tell gnuchess what its clock should read,
9183 so we bow to its notion. */
9185 timeRemaining[0][currentMove] = whiteTimeRemaining;
9186 timeRemaining[1][currentMove] = blackTimeRemaining;
9189 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9190 appData.icsEngineAnalyze) && first.analysisSupport) {
9191 SendToProgram("analyze\n", &first);
9192 first.analyzing = TRUE;
9205 if (appData.debugMode) {
9206 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9207 redraw, init, gameMode);
9209 CleanupTail(); // [HGM] vari: delete any stored variations
9210 pausing = pauseExamInvalid = FALSE;
9211 startedFromSetupPosition = blackPlaysFirst = FALSE;
9213 whiteFlag = blackFlag = FALSE;
9214 userOfferedDraw = FALSE;
9215 hintRequested = bookRequested = FALSE;
9216 first.maybeThinking = FALSE;
9217 second.maybeThinking = FALSE;
9218 first.bookSuspend = FALSE; // [HGM] book
9219 second.bookSuspend = FALSE;
9220 thinkOutput[0] = NULLCHAR;
9221 lastHint[0] = NULLCHAR;
9222 ClearGameInfo(&gameInfo);
9223 gameInfo.variant = StringToVariant(appData.variant);
9224 ics_user_moved = ics_clock_paused = FALSE;
9225 ics_getting_history = H_FALSE;
9227 white_holding[0] = black_holding[0] = NULLCHAR;
9228 ClearProgramStats();
9229 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9233 flipView = appData.flipView;
9234 ClearPremoveHighlights();
9236 alarmSounded = FALSE;
9238 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9239 if(appData.serverMovesName != NULL) {
9240 /* [HGM] prepare to make moves file for broadcasting */
9241 clock_t t = clock();
9242 if(serverMoves != NULL) fclose(serverMoves);
9243 serverMoves = fopen(appData.serverMovesName, "r");
9244 if(serverMoves != NULL) {
9245 fclose(serverMoves);
9246 /* delay 15 sec before overwriting, so all clients can see end */
9247 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9249 serverMoves = fopen(appData.serverMovesName, "w");
9253 gameMode = BeginningOfGame;
9255 if(appData.icsActive) gameInfo.variant = VariantNormal;
9256 currentMove = forwardMostMove = backwardMostMove = 0;
9257 InitPosition(redraw);
9258 for (i = 0; i < MAX_MOVES; i++) {
9259 if (commentList[i] != NULL) {
9260 free(commentList[i]);
9261 commentList[i] = NULL;
9265 timeRemaining[0][0] = whiteTimeRemaining;
9266 timeRemaining[1][0] = blackTimeRemaining;
9267 if (first.pr == NULL) {
9268 StartChessProgram(&first);
9271 InitChessProgram(&first, startedFromSetupPosition);
9274 DisplayMessage("", "");
9275 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9276 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9283 if (!AutoPlayOneMove())
9285 if (matchMode || appData.timeDelay == 0)
9287 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9289 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9298 int fromX, fromY, toX, toY;
9300 if (appData.debugMode) {
9301 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9304 if (gameMode != PlayFromGameFile)
9307 if (currentMove >= forwardMostMove) {
9308 gameMode = EditGame;
9311 /* [AS] Clear current move marker at the end of a game */
9312 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9317 toX = moveList[currentMove][2] - AAA;
9318 toY = moveList[currentMove][3] - ONE;
9320 if (moveList[currentMove][1] == '@') {
9321 if (appData.highlightLastMove) {
9322 SetHighlights(-1, -1, toX, toY);
9325 fromX = moveList[currentMove][0] - AAA;
9326 fromY = moveList[currentMove][1] - ONE;
9328 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9330 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9332 if (appData.highlightLastMove) {
9333 SetHighlights(fromX, fromY, toX, toY);
9336 DisplayMove(currentMove);
9337 SendMoveToProgram(currentMove++, &first);
9338 DisplayBothClocks();
9339 DrawPosition(FALSE, boards[currentMove]);
9340 // [HGM] PV info: always display, routine tests if empty
9341 DisplayComment(currentMove - 1, commentList[currentMove]);
9347 LoadGameOneMove(readAhead)
9348 ChessMove readAhead;
9350 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9351 char promoChar = NULLCHAR;
9356 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9357 gameMode != AnalyzeMode && gameMode != Training) {
9362 yyboardindex = forwardMostMove;
9363 if (readAhead != (ChessMove)0) {
9364 moveType = readAhead;
9366 if (gameFileFP == NULL)
9368 moveType = (ChessMove) yylex();
9374 if (appData.debugMode)
9375 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9378 /* append the comment but don't display it */
9379 AppendComment(currentMove, p, FALSE);
9382 case WhiteCapturesEnPassant:
9383 case BlackCapturesEnPassant:
9384 case WhitePromotionChancellor:
9385 case BlackPromotionChancellor:
9386 case WhitePromotionArchbishop:
9387 case BlackPromotionArchbishop:
9388 case WhitePromotionCentaur:
9389 case BlackPromotionCentaur:
9390 case WhitePromotionQueen:
9391 case BlackPromotionQueen:
9392 case WhitePromotionRook:
9393 case BlackPromotionRook:
9394 case WhitePromotionBishop:
9395 case BlackPromotionBishop:
9396 case WhitePromotionKnight:
9397 case BlackPromotionKnight:
9398 case WhitePromotionKing:
9399 case BlackPromotionKing:
9401 case WhiteKingSideCastle:
9402 case WhiteQueenSideCastle:
9403 case BlackKingSideCastle:
9404 case BlackQueenSideCastle:
9405 case WhiteKingSideCastleWild:
9406 case WhiteQueenSideCastleWild:
9407 case BlackKingSideCastleWild:
9408 case BlackQueenSideCastleWild:
9410 case WhiteHSideCastleFR:
9411 case WhiteASideCastleFR:
9412 case BlackHSideCastleFR:
9413 case BlackASideCastleFR:
9415 if (appData.debugMode)
9416 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9417 fromX = currentMoveString[0] - AAA;
9418 fromY = currentMoveString[1] - ONE;
9419 toX = currentMoveString[2] - AAA;
9420 toY = currentMoveString[3] - ONE;
9421 promoChar = currentMoveString[4];
9426 if (appData.debugMode)
9427 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9428 fromX = moveType == WhiteDrop ?
9429 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9430 (int) CharToPiece(ToLower(currentMoveString[0]));
9432 toX = currentMoveString[2] - AAA;
9433 toY = currentMoveString[3] - ONE;
9439 case GameUnfinished:
9440 if (appData.debugMode)
9441 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9442 p = strchr(yy_text, '{');
9443 if (p == NULL) p = strchr(yy_text, '(');
9446 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9448 q = strchr(p, *p == '{' ? '}' : ')');
9449 if (q != NULL) *q = NULLCHAR;
9452 GameEnds(moveType, p, GE_FILE);
9454 if (cmailMsgLoaded) {
9456 flipView = WhiteOnMove(currentMove);
9457 if (moveType == GameUnfinished) flipView = !flipView;
9458 if (appData.debugMode)
9459 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9463 case (ChessMove) 0: /* end of file */
9464 if (appData.debugMode)
9465 fprintf(debugFP, "Parser hit end of file\n");
9466 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9472 if (WhiteOnMove(currentMove)) {
9473 GameEnds(BlackWins, "Black mates", GE_FILE);
9475 GameEnds(WhiteWins, "White mates", GE_FILE);
9479 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9486 if (lastLoadGameStart == GNUChessGame) {
9487 /* GNUChessGames have numbers, but they aren't move numbers */
9488 if (appData.debugMode)
9489 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9490 yy_text, (int) moveType);
9491 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9493 /* else fall thru */
9498 /* Reached start of next game in file */
9499 if (appData.debugMode)
9500 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9501 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9507 if (WhiteOnMove(currentMove)) {
9508 GameEnds(BlackWins, "Black mates", GE_FILE);
9510 GameEnds(WhiteWins, "White mates", GE_FILE);
9514 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9520 case PositionDiagram: /* should not happen; ignore */
9521 case ElapsedTime: /* ignore */
9522 case NAG: /* ignore */
9523 if (appData.debugMode)
9524 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9525 yy_text, (int) moveType);
9526 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9529 if (appData.testLegality) {
9530 if (appData.debugMode)
9531 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9532 sprintf(move, _("Illegal move: %d.%s%s"),
9533 (forwardMostMove / 2) + 1,
9534 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9535 DisplayError(move, 0);
9538 if (appData.debugMode)
9539 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9540 yy_text, currentMoveString);
9541 fromX = currentMoveString[0] - AAA;
9542 fromY = currentMoveString[1] - ONE;
9543 toX = currentMoveString[2] - AAA;
9544 toY = currentMoveString[3] - ONE;
9545 promoChar = currentMoveString[4];
9550 if (appData.debugMode)
9551 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9552 sprintf(move, _("Ambiguous move: %d.%s%s"),
9553 (forwardMostMove / 2) + 1,
9554 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9555 DisplayError(move, 0);
9560 case ImpossibleMove:
9561 if (appData.debugMode)
9562 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9563 sprintf(move, _("Illegal move: %d.%s%s"),
9564 (forwardMostMove / 2) + 1,
9565 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9566 DisplayError(move, 0);
9572 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9573 DrawPosition(FALSE, boards[currentMove]);
9574 DisplayBothClocks();
9575 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9576 DisplayComment(currentMove - 1, commentList[currentMove]);
9578 (void) StopLoadGameTimer();
9580 cmailOldMove = forwardMostMove;
9583 /* currentMoveString is set as a side-effect of yylex */
9584 strcat(currentMoveString, "\n");
9585 strcpy(moveList[forwardMostMove], currentMoveString);
9587 thinkOutput[0] = NULLCHAR;
9588 MakeMove(fromX, fromY, toX, toY, promoChar);
9589 currentMove = forwardMostMove;
9594 /* Load the nth game from the given file */
9596 LoadGameFromFile(filename, n, title, useList)
9600 /*Boolean*/ int useList;
9605 if (strcmp(filename, "-") == 0) {
9609 f = fopen(filename, "rb");
9611 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9612 DisplayError(buf, errno);
9616 if (fseek(f, 0, 0) == -1) {
9617 /* f is not seekable; probably a pipe */
9620 if (useList && n == 0) {
9621 int error = GameListBuild(f);
9623 DisplayError(_("Cannot build game list"), error);
9624 } else if (!ListEmpty(&gameList) &&
9625 ((ListGame *) gameList.tailPred)->number > 1) {
9626 GameListPopUp(f, title);
9633 return LoadGame(f, n, title, FALSE);
9638 MakeRegisteredMove()
9640 int fromX, fromY, toX, toY;
9642 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9643 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9646 if (appData.debugMode)
9647 fprintf(debugFP, "Restoring %s for game %d\n",
9648 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9650 thinkOutput[0] = NULLCHAR;
9651 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9652 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9653 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9654 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9655 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9656 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9657 MakeMove(fromX, fromY, toX, toY, promoChar);
9658 ShowMove(fromX, fromY, toX, toY);
9660 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9667 if (WhiteOnMove(currentMove)) {
9668 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9670 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9675 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9682 if (WhiteOnMove(currentMove)) {
9683 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9685 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9690 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9701 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9703 CmailLoadGame(f, gameNumber, title, useList)
9711 if (gameNumber > nCmailGames) {
9712 DisplayError(_("No more games in this message"), 0);
9715 if (f == lastLoadGameFP) {
9716 int offset = gameNumber - lastLoadGameNumber;
9718 cmailMsg[0] = NULLCHAR;
9719 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9720 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9721 nCmailMovesRegistered--;
9723 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9724 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9725 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9728 if (! RegisterMove()) return FALSE;
9732 retVal = LoadGame(f, gameNumber, title, useList);
9734 /* Make move registered during previous look at this game, if any */
9735 MakeRegisteredMove();
9737 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9738 commentList[currentMove]
9739 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9740 DisplayComment(currentMove - 1, commentList[currentMove]);
9746 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9751 int gameNumber = lastLoadGameNumber + offset;
9752 if (lastLoadGameFP == NULL) {
9753 DisplayError(_("No game has been loaded yet"), 0);
9756 if (gameNumber <= 0) {
9757 DisplayError(_("Can't back up any further"), 0);
9760 if (cmailMsgLoaded) {
9761 return CmailLoadGame(lastLoadGameFP, gameNumber,
9762 lastLoadGameTitle, lastLoadGameUseList);
9764 return LoadGame(lastLoadGameFP, gameNumber,
9765 lastLoadGameTitle, lastLoadGameUseList);
9771 /* Load the nth game from open file f */
9773 LoadGame(f, gameNumber, title, useList)
9781 int gn = gameNumber;
9782 ListGame *lg = NULL;
9785 GameMode oldGameMode;
9786 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9788 if (appData.debugMode)
9789 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9791 if (gameMode == Training )
9792 SetTrainingModeOff();
9794 oldGameMode = gameMode;
9795 if (gameMode != BeginningOfGame) {
9800 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9801 fclose(lastLoadGameFP);
9805 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9808 fseek(f, lg->offset, 0);
9809 GameListHighlight(gameNumber);
9813 DisplayError(_("Game number out of range"), 0);
9818 if (fseek(f, 0, 0) == -1) {
9819 if (f == lastLoadGameFP ?
9820 gameNumber == lastLoadGameNumber + 1 :
9824 DisplayError(_("Can't seek on game file"), 0);
9830 lastLoadGameNumber = gameNumber;
9831 strcpy(lastLoadGameTitle, title);
9832 lastLoadGameUseList = useList;
9836 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9837 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9838 lg->gameInfo.black);
9840 } else if (*title != NULLCHAR) {
9841 if (gameNumber > 1) {
9842 sprintf(buf, "%s %d", title, gameNumber);
9845 DisplayTitle(title);
9849 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9850 gameMode = PlayFromGameFile;
9854 currentMove = forwardMostMove = backwardMostMove = 0;
9855 CopyBoard(boards[0], initialPosition);
9859 * Skip the first gn-1 games in the file.
9860 * Also skip over anything that precedes an identifiable
9861 * start of game marker, to avoid being confused by
9862 * garbage at the start of the file. Currently
9863 * recognized start of game markers are the move number "1",
9864 * the pattern "gnuchess .* game", the pattern
9865 * "^[#;%] [^ ]* game file", and a PGN tag block.
9866 * A game that starts with one of the latter two patterns
9867 * will also have a move number 1, possibly
9868 * following a position diagram.
9869 * 5-4-02: Let's try being more lenient and allowing a game to
9870 * start with an unnumbered move. Does that break anything?
9872 cm = lastLoadGameStart = (ChessMove) 0;
9874 yyboardindex = forwardMostMove;
9875 cm = (ChessMove) yylex();
9878 if (cmailMsgLoaded) {
9879 nCmailGames = CMAIL_MAX_GAMES - gn;
9882 DisplayError(_("Game not found in file"), 0);
9889 lastLoadGameStart = cm;
9893 switch (lastLoadGameStart) {
9900 gn--; /* count this game */
9901 lastLoadGameStart = cm;
9910 switch (lastLoadGameStart) {
9915 gn--; /* count this game */
9916 lastLoadGameStart = cm;
9919 lastLoadGameStart = cm; /* game counted already */
9927 yyboardindex = forwardMostMove;
9928 cm = (ChessMove) yylex();
9929 } while (cm == PGNTag || cm == Comment);
9936 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9937 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9938 != CMAIL_OLD_RESULT) {
9940 cmailResult[ CMAIL_MAX_GAMES
9941 - gn - 1] = CMAIL_OLD_RESULT;
9947 /* Only a NormalMove can be at the start of a game
9948 * without a position diagram. */
9949 if (lastLoadGameStart == (ChessMove) 0) {
9951 lastLoadGameStart = MoveNumberOne;
9960 if (appData.debugMode)
9961 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9963 if (cm == XBoardGame) {
9964 /* Skip any header junk before position diagram and/or move 1 */
9966 yyboardindex = forwardMostMove;
9967 cm = (ChessMove) yylex();
9969 if (cm == (ChessMove) 0 ||
9970 cm == GNUChessGame || cm == XBoardGame) {
9971 /* Empty game; pretend end-of-file and handle later */
9976 if (cm == MoveNumberOne || cm == PositionDiagram ||
9977 cm == PGNTag || cm == Comment)
9980 } else if (cm == GNUChessGame) {
9981 if (gameInfo.event != NULL) {
9982 free(gameInfo.event);
9984 gameInfo.event = StrSave(yy_text);
9987 startedFromSetupPosition = FALSE;
9988 while (cm == PGNTag) {
9989 if (appData.debugMode)
9990 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9991 err = ParsePGNTag(yy_text, &gameInfo);
9992 if (!err) numPGNTags++;
9994 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9995 if(gameInfo.variant != oldVariant) {
9996 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9998 oldVariant = gameInfo.variant;
9999 if (appData.debugMode)
10000 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10004 if (gameInfo.fen != NULL) {
10005 Board initial_position;
10006 startedFromSetupPosition = TRUE;
10007 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10009 DisplayError(_("Bad FEN position in file"), 0);
10012 CopyBoard(boards[0], initial_position);
10013 if (blackPlaysFirst) {
10014 currentMove = forwardMostMove = backwardMostMove = 1;
10015 CopyBoard(boards[1], initial_position);
10016 strcpy(moveList[0], "");
10017 strcpy(parseList[0], "");
10018 timeRemaining[0][1] = whiteTimeRemaining;
10019 timeRemaining[1][1] = blackTimeRemaining;
10020 if (commentList[0] != NULL) {
10021 commentList[1] = commentList[0];
10022 commentList[0] = NULL;
10025 currentMove = forwardMostMove = backwardMostMove = 0;
10027 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10029 initialRulePlies = FENrulePlies;
10030 for( i=0; i< nrCastlingRights; i++ )
10031 initialRights[i] = initial_position[CASTLING][i];
10033 yyboardindex = forwardMostMove;
10034 free(gameInfo.fen);
10035 gameInfo.fen = NULL;
10038 yyboardindex = forwardMostMove;
10039 cm = (ChessMove) yylex();
10041 /* Handle comments interspersed among the tags */
10042 while (cm == Comment) {
10044 if (appData.debugMode)
10045 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10047 AppendComment(currentMove, p, FALSE);
10048 yyboardindex = forwardMostMove;
10049 cm = (ChessMove) yylex();
10053 /* don't rely on existence of Event tag since if game was
10054 * pasted from clipboard the Event tag may not exist
10056 if (numPGNTags > 0){
10058 if (gameInfo.variant == VariantNormal) {
10059 gameInfo.variant = StringToVariant(gameInfo.event);
10062 if( appData.autoDisplayTags ) {
10063 tags = PGNTags(&gameInfo);
10064 TagsPopUp(tags, CmailMsg());
10069 /* Make something up, but don't display it now */
10074 if (cm == PositionDiagram) {
10077 Board initial_position;
10079 if (appData.debugMode)
10080 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10082 if (!startedFromSetupPosition) {
10084 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10085 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10095 initial_position[i][j++] = CharToPiece(*p);
10098 while (*p == ' ' || *p == '\t' ||
10099 *p == '\n' || *p == '\r') p++;
10101 if (strncmp(p, "black", strlen("black"))==0)
10102 blackPlaysFirst = TRUE;
10104 blackPlaysFirst = FALSE;
10105 startedFromSetupPosition = TRUE;
10107 CopyBoard(boards[0], initial_position);
10108 if (blackPlaysFirst) {
10109 currentMove = forwardMostMove = backwardMostMove = 1;
10110 CopyBoard(boards[1], initial_position);
10111 strcpy(moveList[0], "");
10112 strcpy(parseList[0], "");
10113 timeRemaining[0][1] = whiteTimeRemaining;
10114 timeRemaining[1][1] = blackTimeRemaining;
10115 if (commentList[0] != NULL) {
10116 commentList[1] = commentList[0];
10117 commentList[0] = NULL;
10120 currentMove = forwardMostMove = backwardMostMove = 0;
10123 yyboardindex = forwardMostMove;
10124 cm = (ChessMove) yylex();
10127 if (first.pr == NoProc) {
10128 StartChessProgram(&first);
10130 InitChessProgram(&first, FALSE);
10131 SendToProgram("force\n", &first);
10132 if (startedFromSetupPosition) {
10133 SendBoard(&first, forwardMostMove);
10134 if (appData.debugMode) {
10135 fprintf(debugFP, "Load Game\n");
10137 DisplayBothClocks();
10140 /* [HGM] server: flag to write setup moves in broadcast file as one */
10141 loadFlag = appData.suppressLoadMoves;
10143 while (cm == Comment) {
10145 if (appData.debugMode)
10146 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10148 AppendComment(currentMove, p, FALSE);
10149 yyboardindex = forwardMostMove;
10150 cm = (ChessMove) yylex();
10153 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10154 cm == WhiteWins || cm == BlackWins ||
10155 cm == GameIsDrawn || cm == GameUnfinished) {
10156 DisplayMessage("", _("No moves in game"));
10157 if (cmailMsgLoaded) {
10158 if (appData.debugMode)
10159 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10163 DrawPosition(FALSE, boards[currentMove]);
10164 DisplayBothClocks();
10165 gameMode = EditGame;
10172 // [HGM] PV info: routine tests if comment empty
10173 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10174 DisplayComment(currentMove - 1, commentList[currentMove]);
10176 if (!matchMode && appData.timeDelay != 0)
10177 DrawPosition(FALSE, boards[currentMove]);
10179 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10180 programStats.ok_to_send = 1;
10183 /* if the first token after the PGN tags is a move
10184 * and not move number 1, retrieve it from the parser
10186 if (cm != MoveNumberOne)
10187 LoadGameOneMove(cm);
10189 /* load the remaining moves from the file */
10190 while (LoadGameOneMove((ChessMove)0)) {
10191 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10192 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10195 /* rewind to the start of the game */
10196 currentMove = backwardMostMove;
10198 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10200 if (oldGameMode == AnalyzeFile ||
10201 oldGameMode == AnalyzeMode) {
10202 AnalyzeFileEvent();
10205 if (matchMode || appData.timeDelay == 0) {
10207 gameMode = EditGame;
10209 } else if (appData.timeDelay > 0) {
10210 AutoPlayGameLoop();
10213 if (appData.debugMode)
10214 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10216 loadFlag = 0; /* [HGM] true game starts */
10220 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10222 ReloadPosition(offset)
10225 int positionNumber = lastLoadPositionNumber + offset;
10226 if (lastLoadPositionFP == NULL) {
10227 DisplayError(_("No position has been loaded yet"), 0);
10230 if (positionNumber <= 0) {
10231 DisplayError(_("Can't back up any further"), 0);
10234 return LoadPosition(lastLoadPositionFP, positionNumber,
10235 lastLoadPositionTitle);
10238 /* Load the nth position from the given file */
10240 LoadPositionFromFile(filename, n, title)
10248 if (strcmp(filename, "-") == 0) {
10249 return LoadPosition(stdin, n, "stdin");
10251 f = fopen(filename, "rb");
10253 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10254 DisplayError(buf, errno);
10257 return LoadPosition(f, n, title);
10262 /* Load the nth position from the given open file, and close it */
10264 LoadPosition(f, positionNumber, title)
10266 int positionNumber;
10269 char *p, line[MSG_SIZ];
10270 Board initial_position;
10271 int i, j, fenMode, pn;
10273 if (gameMode == Training )
10274 SetTrainingModeOff();
10276 if (gameMode != BeginningOfGame) {
10277 Reset(FALSE, TRUE);
10279 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10280 fclose(lastLoadPositionFP);
10282 if (positionNumber == 0) positionNumber = 1;
10283 lastLoadPositionFP = f;
10284 lastLoadPositionNumber = positionNumber;
10285 strcpy(lastLoadPositionTitle, title);
10286 if (first.pr == NoProc) {
10287 StartChessProgram(&first);
10288 InitChessProgram(&first, FALSE);
10290 pn = positionNumber;
10291 if (positionNumber < 0) {
10292 /* Negative position number means to seek to that byte offset */
10293 if (fseek(f, -positionNumber, 0) == -1) {
10294 DisplayError(_("Can't seek on position file"), 0);
10299 if (fseek(f, 0, 0) == -1) {
10300 if (f == lastLoadPositionFP ?
10301 positionNumber == lastLoadPositionNumber + 1 :
10302 positionNumber == 1) {
10305 DisplayError(_("Can't seek on position file"), 0);
10310 /* See if this file is FEN or old-style xboard */
10311 if (fgets(line, MSG_SIZ, f) == NULL) {
10312 DisplayError(_("Position not found in file"), 0);
10315 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10316 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10319 if (fenMode || line[0] == '#') pn--;
10321 /* skip positions before number pn */
10322 if (fgets(line, MSG_SIZ, f) == NULL) {
10324 DisplayError(_("Position not found in file"), 0);
10327 if (fenMode || line[0] == '#') pn--;
10332 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10333 DisplayError(_("Bad FEN position in file"), 0);
10337 (void) fgets(line, MSG_SIZ, f);
10338 (void) fgets(line, MSG_SIZ, f);
10340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10341 (void) fgets(line, MSG_SIZ, f);
10342 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10345 initial_position[i][j++] = CharToPiece(*p);
10349 blackPlaysFirst = FALSE;
10351 (void) fgets(line, MSG_SIZ, f);
10352 if (strncmp(line, "black", strlen("black"))==0)
10353 blackPlaysFirst = TRUE;
10356 startedFromSetupPosition = TRUE;
10358 SendToProgram("force\n", &first);
10359 CopyBoard(boards[0], initial_position);
10360 if (blackPlaysFirst) {
10361 currentMove = forwardMostMove = backwardMostMove = 1;
10362 strcpy(moveList[0], "");
10363 strcpy(parseList[0], "");
10364 CopyBoard(boards[1], initial_position);
10365 DisplayMessage("", _("Black to play"));
10367 currentMove = forwardMostMove = backwardMostMove = 0;
10368 DisplayMessage("", _("White to play"));
10370 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10371 SendBoard(&first, forwardMostMove);
10372 if (appData.debugMode) {
10374 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10375 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10376 fprintf(debugFP, "Load Position\n");
10379 if (positionNumber > 1) {
10380 sprintf(line, "%s %d", title, positionNumber);
10381 DisplayTitle(line);
10383 DisplayTitle(title);
10385 gameMode = EditGame;
10388 timeRemaining[0][1] = whiteTimeRemaining;
10389 timeRemaining[1][1] = blackTimeRemaining;
10390 DrawPosition(FALSE, boards[currentMove]);
10397 CopyPlayerNameIntoFileName(dest, src)
10400 while (*src != NULLCHAR && *src != ',') {
10405 *(*dest)++ = *src++;
10410 char *DefaultFileName(ext)
10413 static char def[MSG_SIZ];
10416 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10418 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10420 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10429 /* Save the current game to the given file */
10431 SaveGameToFile(filename, append)
10438 if (strcmp(filename, "-") == 0) {
10439 return SaveGame(stdout, 0, NULL);
10441 f = fopen(filename, append ? "a" : "w");
10443 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10444 DisplayError(buf, errno);
10447 return SaveGame(f, 0, NULL);
10456 static char buf[MSG_SIZ];
10459 p = strchr(str, ' ');
10460 if (p == NULL) return str;
10461 strncpy(buf, str, p - str);
10462 buf[p - str] = NULLCHAR;
10466 #define PGN_MAX_LINE 75
10468 #define PGN_SIDE_WHITE 0
10469 #define PGN_SIDE_BLACK 1
10472 static int FindFirstMoveOutOfBook( int side )
10476 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10477 int index = backwardMostMove;
10478 int has_book_hit = 0;
10480 if( (index % 2) != side ) {
10484 while( index < forwardMostMove ) {
10485 /* Check to see if engine is in book */
10486 int depth = pvInfoList[index].depth;
10487 int score = pvInfoList[index].score;
10493 else if( score == 0 && depth == 63 ) {
10494 in_book = 1; /* Zappa */
10496 else if( score == 2 && depth == 99 ) {
10497 in_book = 1; /* Abrok */
10500 has_book_hit += in_book;
10516 void GetOutOfBookInfo( char * buf )
10520 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10522 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10523 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10527 if( oob[0] >= 0 || oob[1] >= 0 ) {
10528 for( i=0; i<2; i++ ) {
10532 if( i > 0 && oob[0] >= 0 ) {
10533 strcat( buf, " " );
10536 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10537 sprintf( buf+strlen(buf), "%s%.2f",
10538 pvInfoList[idx].score >= 0 ? "+" : "",
10539 pvInfoList[idx].score / 100.0 );
10545 /* Save game in PGN style and close the file */
10550 int i, offset, linelen, newblock;
10554 int movelen, numlen, blank;
10555 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10557 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10559 tm = time((time_t *) NULL);
10561 PrintPGNTags(f, &gameInfo);
10563 if (backwardMostMove > 0 || startedFromSetupPosition) {
10564 char *fen = PositionToFEN(backwardMostMove, NULL);
10565 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10566 fprintf(f, "\n{--------------\n");
10567 PrintPosition(f, backwardMostMove);
10568 fprintf(f, "--------------}\n");
10572 /* [AS] Out of book annotation */
10573 if( appData.saveOutOfBookInfo ) {
10576 GetOutOfBookInfo( buf );
10578 if( buf[0] != '\0' ) {
10579 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10586 i = backwardMostMove;
10590 while (i < forwardMostMove) {
10591 /* Print comments preceding this move */
10592 if (commentList[i] != NULL) {
10593 if (linelen > 0) fprintf(f, "\n");
10594 fprintf(f, "%s", commentList[i]);
10599 /* Format move number */
10600 if ((i % 2) == 0) {
10601 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10604 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10606 numtext[0] = NULLCHAR;
10609 numlen = strlen(numtext);
10612 /* Print move number */
10613 blank = linelen > 0 && numlen > 0;
10614 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10623 fprintf(f, "%s", numtext);
10627 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10628 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10631 blank = linelen > 0 && movelen > 0;
10632 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10641 fprintf(f, "%s", move_buffer);
10642 linelen += movelen;
10644 /* [AS] Add PV info if present */
10645 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10646 /* [HGM] add time */
10647 char buf[MSG_SIZ]; int seconds;
10649 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10651 if( seconds <= 0) buf[0] = 0; else
10652 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10653 seconds = (seconds + 4)/10; // round to full seconds
10654 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10655 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10658 sprintf( move_buffer, "{%s%.2f/%d%s}",
10659 pvInfoList[i].score >= 0 ? "+" : "",
10660 pvInfoList[i].score / 100.0,
10661 pvInfoList[i].depth,
10664 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10666 /* Print score/depth */
10667 blank = linelen > 0 && movelen > 0;
10668 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10677 fprintf(f, "%s", move_buffer);
10678 linelen += movelen;
10684 /* Start a new line */
10685 if (linelen > 0) fprintf(f, "\n");
10687 /* Print comments after last move */
10688 if (commentList[i] != NULL) {
10689 fprintf(f, "%s\n", commentList[i]);
10693 if (gameInfo.resultDetails != NULL &&
10694 gameInfo.resultDetails[0] != NULLCHAR) {
10695 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10696 PGNResult(gameInfo.result));
10698 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10702 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10706 /* Save game in old style and close the file */
10708 SaveGameOldStyle(f)
10714 tm = time((time_t *) NULL);
10716 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10719 if (backwardMostMove > 0 || startedFromSetupPosition) {
10720 fprintf(f, "\n[--------------\n");
10721 PrintPosition(f, backwardMostMove);
10722 fprintf(f, "--------------]\n");
10727 i = backwardMostMove;
10728 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10730 while (i < forwardMostMove) {
10731 if (commentList[i] != NULL) {
10732 fprintf(f, "[%s]\n", commentList[i]);
10735 if ((i % 2) == 1) {
10736 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10739 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10741 if (commentList[i] != NULL) {
10745 if (i >= forwardMostMove) {
10749 fprintf(f, "%s\n", parseList[i]);
10754 if (commentList[i] != NULL) {
10755 fprintf(f, "[%s]\n", commentList[i]);
10758 /* This isn't really the old style, but it's close enough */
10759 if (gameInfo.resultDetails != NULL &&
10760 gameInfo.resultDetails[0] != NULLCHAR) {
10761 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10762 gameInfo.resultDetails);
10764 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10771 /* Save the current game to open file f and close the file */
10773 SaveGame(f, dummy, dummy2)
10778 if (gameMode == EditPosition) EditPositionDone(TRUE);
10779 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10780 if (appData.oldSaveStyle)
10781 return SaveGameOldStyle(f);
10783 return SaveGamePGN(f);
10786 /* Save the current position to the given file */
10788 SavePositionToFile(filename)
10794 if (strcmp(filename, "-") == 0) {
10795 return SavePosition(stdout, 0, NULL);
10797 f = fopen(filename, "a");
10799 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10800 DisplayError(buf, errno);
10803 SavePosition(f, 0, NULL);
10809 /* Save the current position to the given open file and close the file */
10811 SavePosition(f, dummy, dummy2)
10819 if (gameMode == EditPosition) EditPositionDone(TRUE);
10820 if (appData.oldSaveStyle) {
10821 tm = time((time_t *) NULL);
10823 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10825 fprintf(f, "[--------------\n");
10826 PrintPosition(f, currentMove);
10827 fprintf(f, "--------------]\n");
10829 fen = PositionToFEN(currentMove, NULL);
10830 fprintf(f, "%s\n", fen);
10838 ReloadCmailMsgEvent(unregister)
10842 static char *inFilename = NULL;
10843 static char *outFilename;
10845 struct stat inbuf, outbuf;
10848 /* Any registered moves are unregistered if unregister is set, */
10849 /* i.e. invoked by the signal handler */
10851 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10852 cmailMoveRegistered[i] = FALSE;
10853 if (cmailCommentList[i] != NULL) {
10854 free(cmailCommentList[i]);
10855 cmailCommentList[i] = NULL;
10858 nCmailMovesRegistered = 0;
10861 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10862 cmailResult[i] = CMAIL_NOT_RESULT;
10866 if (inFilename == NULL) {
10867 /* Because the filenames are static they only get malloced once */
10868 /* and they never get freed */
10869 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10870 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10872 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10873 sprintf(outFilename, "%s.out", appData.cmailGameName);
10876 status = stat(outFilename, &outbuf);
10878 cmailMailedMove = FALSE;
10880 status = stat(inFilename, &inbuf);
10881 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10884 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10885 counts the games, notes how each one terminated, etc.
10887 It would be nice to remove this kludge and instead gather all
10888 the information while building the game list. (And to keep it
10889 in the game list nodes instead of having a bunch of fixed-size
10890 parallel arrays.) Note this will require getting each game's
10891 termination from the PGN tags, as the game list builder does
10892 not process the game moves. --mann
10894 cmailMsgLoaded = TRUE;
10895 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10897 /* Load first game in the file or popup game menu */
10898 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10900 #endif /* !WIN32 */
10908 char string[MSG_SIZ];
10910 if ( cmailMailedMove
10911 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10912 return TRUE; /* Allow free viewing */
10915 /* Unregister move to ensure that we don't leave RegisterMove */
10916 /* with the move registered when the conditions for registering no */
10918 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10919 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10920 nCmailMovesRegistered --;
10922 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10924 free(cmailCommentList[lastLoadGameNumber - 1]);
10925 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10929 if (cmailOldMove == -1) {
10930 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10934 if (currentMove > cmailOldMove + 1) {
10935 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10939 if (currentMove < cmailOldMove) {
10940 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10944 if (forwardMostMove > currentMove) {
10945 /* Silently truncate extra moves */
10949 if ( (currentMove == cmailOldMove + 1)
10950 || ( (currentMove == cmailOldMove)
10951 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10952 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10953 if (gameInfo.result != GameUnfinished) {
10954 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10957 if (commentList[currentMove] != NULL) {
10958 cmailCommentList[lastLoadGameNumber - 1]
10959 = StrSave(commentList[currentMove]);
10961 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10963 if (appData.debugMode)
10964 fprintf(debugFP, "Saving %s for game %d\n",
10965 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10968 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10970 f = fopen(string, "w");
10971 if (appData.oldSaveStyle) {
10972 SaveGameOldStyle(f); /* also closes the file */
10974 sprintf(string, "%s.pos.out", appData.cmailGameName);
10975 f = fopen(string, "w");
10976 SavePosition(f, 0, NULL); /* also closes the file */
10978 fprintf(f, "{--------------\n");
10979 PrintPosition(f, currentMove);
10980 fprintf(f, "--------------}\n\n");
10982 SaveGame(f, 0, NULL); /* also closes the file*/
10985 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10986 nCmailMovesRegistered ++;
10987 } else if (nCmailGames == 1) {
10988 DisplayError(_("You have not made a move yet"), 0);
10999 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11000 FILE *commandOutput;
11001 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11002 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11008 if (! cmailMsgLoaded) {
11009 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11013 if (nCmailGames == nCmailResults) {
11014 DisplayError(_("No unfinished games"), 0);
11018 #if CMAIL_PROHIBIT_REMAIL
11019 if (cmailMailedMove) {
11020 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);
11021 DisplayError(msg, 0);
11026 if (! (cmailMailedMove || RegisterMove())) return;
11028 if ( cmailMailedMove
11029 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11030 sprintf(string, partCommandString,
11031 appData.debugMode ? " -v" : "", appData.cmailGameName);
11032 commandOutput = popen(string, "r");
11034 if (commandOutput == NULL) {
11035 DisplayError(_("Failed to invoke cmail"), 0);
11037 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11038 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11040 if (nBuffers > 1) {
11041 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11042 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11043 nBytes = MSG_SIZ - 1;
11045 (void) memcpy(msg, buffer, nBytes);
11047 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11049 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11050 cmailMailedMove = TRUE; /* Prevent >1 moves */
11053 for (i = 0; i < nCmailGames; i ++) {
11054 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11059 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11061 sprintf(buffer, "%s/%s.%s.archive",
11063 appData.cmailGameName,
11065 LoadGameFromFile(buffer, 1, buffer, FALSE);
11066 cmailMsgLoaded = FALSE;
11070 DisplayInformation(msg);
11071 pclose(commandOutput);
11074 if ((*cmailMsg) != '\0') {
11075 DisplayInformation(cmailMsg);
11080 #endif /* !WIN32 */
11089 int prependComma = 0;
11091 char string[MSG_SIZ]; /* Space for game-list */
11094 if (!cmailMsgLoaded) return "";
11096 if (cmailMailedMove) {
11097 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11099 /* Create a list of games left */
11100 sprintf(string, "[");
11101 for (i = 0; i < nCmailGames; i ++) {
11102 if (! ( cmailMoveRegistered[i]
11103 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11104 if (prependComma) {
11105 sprintf(number, ",%d", i + 1);
11107 sprintf(number, "%d", i + 1);
11111 strcat(string, number);
11114 strcat(string, "]");
11116 if (nCmailMovesRegistered + nCmailResults == 0) {
11117 switch (nCmailGames) {
11120 _("Still need to make move for game\n"));
11125 _("Still need to make moves for both games\n"));
11130 _("Still need to make moves for all %d games\n"),
11135 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11138 _("Still need to make a move for game %s\n"),
11143 if (nCmailResults == nCmailGames) {
11144 sprintf(cmailMsg, _("No unfinished games\n"));
11146 sprintf(cmailMsg, _("Ready to send mail\n"));
11152 _("Still need to make moves for games %s\n"),
11164 if (gameMode == Training)
11165 SetTrainingModeOff();
11168 cmailMsgLoaded = FALSE;
11169 if (appData.icsActive) {
11170 SendToICS(ics_prefix);
11171 SendToICS("refresh\n");
11181 /* Give up on clean exit */
11185 /* Keep trying for clean exit */
11189 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11191 if (telnetISR != NULL) {
11192 RemoveInputSource(telnetISR);
11194 if (icsPR != NoProc) {
11195 DestroyChildProcess(icsPR, TRUE);
11198 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11199 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11201 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11202 /* make sure this other one finishes before killing it! */
11203 if(endingGame) { int count = 0;
11204 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11205 while(endingGame && count++ < 10) DoSleep(1);
11206 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11209 /* Kill off chess programs */
11210 if (first.pr != NoProc) {
11213 DoSleep( appData.delayBeforeQuit );
11214 SendToProgram("quit\n", &first);
11215 DoSleep( appData.delayAfterQuit );
11216 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11218 if (second.pr != NoProc) {
11219 DoSleep( appData.delayBeforeQuit );
11220 SendToProgram("quit\n", &second);
11221 DoSleep( appData.delayAfterQuit );
11222 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11224 if (first.isr != NULL) {
11225 RemoveInputSource(first.isr);
11227 if (second.isr != NULL) {
11228 RemoveInputSource(second.isr);
11231 ShutDownFrontEnd();
11238 if (appData.debugMode)
11239 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11243 if (gameMode == MachinePlaysWhite ||
11244 gameMode == MachinePlaysBlack) {
11247 DisplayBothClocks();
11249 if (gameMode == PlayFromGameFile) {
11250 if (appData.timeDelay >= 0)
11251 AutoPlayGameLoop();
11252 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11253 Reset(FALSE, TRUE);
11254 SendToICS(ics_prefix);
11255 SendToICS("refresh\n");
11256 } else if (currentMove < forwardMostMove) {
11257 ForwardInner(forwardMostMove);
11259 pauseExamInvalid = FALSE;
11261 switch (gameMode) {
11265 pauseExamForwardMostMove = forwardMostMove;
11266 pauseExamInvalid = FALSE;
11269 case IcsPlayingWhite:
11270 case IcsPlayingBlack:
11274 case PlayFromGameFile:
11275 (void) StopLoadGameTimer();
11279 case BeginningOfGame:
11280 if (appData.icsActive) return;
11281 /* else fall through */
11282 case MachinePlaysWhite:
11283 case MachinePlaysBlack:
11284 case TwoMachinesPlay:
11285 if (forwardMostMove == 0)
11286 return; /* don't pause if no one has moved */
11287 if ((gameMode == MachinePlaysWhite &&
11288 !WhiteOnMove(forwardMostMove)) ||
11289 (gameMode == MachinePlaysBlack &&
11290 WhiteOnMove(forwardMostMove))) {
11303 char title[MSG_SIZ];
11305 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11306 strcpy(title, _("Edit comment"));
11308 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11309 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11310 parseList[currentMove - 1]);
11313 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11320 char *tags = PGNTags(&gameInfo);
11321 EditTagsPopUp(tags);
11328 if (appData.noChessProgram || gameMode == AnalyzeMode)
11331 if (gameMode != AnalyzeFile) {
11332 if (!appData.icsEngineAnalyze) {
11334 if (gameMode != EditGame) return;
11336 ResurrectChessProgram();
11337 SendToProgram("analyze\n", &first);
11338 first.analyzing = TRUE;
11339 /*first.maybeThinking = TRUE;*/
11340 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11341 EngineOutputPopUp();
11343 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11348 StartAnalysisClock();
11349 GetTimeMark(&lastNodeCountTime);
11356 if (appData.noChessProgram || gameMode == AnalyzeFile)
11359 if (gameMode != AnalyzeMode) {
11361 if (gameMode != EditGame) return;
11362 ResurrectChessProgram();
11363 SendToProgram("analyze\n", &first);
11364 first.analyzing = TRUE;
11365 /*first.maybeThinking = TRUE;*/
11366 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11367 EngineOutputPopUp();
11369 gameMode = AnalyzeFile;
11374 StartAnalysisClock();
11375 GetTimeMark(&lastNodeCountTime);
11380 MachineWhiteEvent()
11383 char *bookHit = NULL;
11385 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11389 if (gameMode == PlayFromGameFile ||
11390 gameMode == TwoMachinesPlay ||
11391 gameMode == Training ||
11392 gameMode == AnalyzeMode ||
11393 gameMode == EndOfGame)
11396 if (gameMode == EditPosition)
11397 EditPositionDone(TRUE);
11399 if (!WhiteOnMove(currentMove)) {
11400 DisplayError(_("It is not White's turn"), 0);
11404 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11407 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11408 gameMode == AnalyzeFile)
11411 ResurrectChessProgram(); /* in case it isn't running */
11412 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11413 gameMode = MachinePlaysWhite;
11416 gameMode = MachinePlaysWhite;
11420 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11422 if (first.sendName) {
11423 sprintf(buf, "name %s\n", gameInfo.black);
11424 SendToProgram(buf, &first);
11426 if (first.sendTime) {
11427 if (first.useColors) {
11428 SendToProgram("black\n", &first); /*gnu kludge*/
11430 SendTimeRemaining(&first, TRUE);
11432 if (first.useColors) {
11433 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11435 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11436 SetMachineThinkingEnables();
11437 first.maybeThinking = TRUE;
11441 if (appData.autoFlipView && !flipView) {
11442 flipView = !flipView;
11443 DrawPosition(FALSE, NULL);
11444 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11447 if(bookHit) { // [HGM] book: simulate book reply
11448 static char bookMove[MSG_SIZ]; // a bit generous?
11450 programStats.nodes = programStats.depth = programStats.time =
11451 programStats.score = programStats.got_only_move = 0;
11452 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11454 strcpy(bookMove, "move ");
11455 strcat(bookMove, bookHit);
11456 HandleMachineMove(bookMove, &first);
11461 MachineBlackEvent()
11464 char *bookHit = NULL;
11466 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
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 Black'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 gameMode = MachinePlaysBlack;
11497 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11499 if (first.sendName) {
11500 sprintf(buf, "name %s\n", gameInfo.white);
11501 SendToProgram(buf, &first);
11503 if (first.sendTime) {
11504 if (first.useColors) {
11505 SendToProgram("white\n", &first); /*gnu kludge*/
11507 SendTimeRemaining(&first, FALSE);
11509 if (first.useColors) {
11510 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11512 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11513 SetMachineThinkingEnables();
11514 first.maybeThinking = TRUE;
11517 if (appData.autoFlipView && flipView) {
11518 flipView = !flipView;
11519 DrawPosition(FALSE, NULL);
11520 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11522 if(bookHit) { // [HGM] book: simulate book reply
11523 static char bookMove[MSG_SIZ]; // a bit generous?
11525 programStats.nodes = programStats.depth = programStats.time =
11526 programStats.score = programStats.got_only_move = 0;
11527 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11529 strcpy(bookMove, "move ");
11530 strcat(bookMove, bookHit);
11531 HandleMachineMove(bookMove, &first);
11537 DisplayTwoMachinesTitle()
11540 if (appData.matchGames > 0) {
11541 if (first.twoMachinesColor[0] == 'w') {
11542 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11543 gameInfo.white, gameInfo.black,
11544 first.matchWins, second.matchWins,
11545 matchGame - 1 - (first.matchWins + second.matchWins));
11547 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11548 gameInfo.white, gameInfo.black,
11549 second.matchWins, first.matchWins,
11550 matchGame - 1 - (first.matchWins + second.matchWins));
11553 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11559 TwoMachinesEvent P((void))
11563 ChessProgramState *onmove;
11564 char *bookHit = NULL;
11566 if (appData.noChessProgram) return;
11568 switch (gameMode) {
11569 case TwoMachinesPlay:
11571 case MachinePlaysWhite:
11572 case MachinePlaysBlack:
11573 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11574 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11578 case BeginningOfGame:
11579 case PlayFromGameFile:
11582 if (gameMode != EditGame) return;
11585 EditPositionDone(TRUE);
11596 // forwardMostMove = currentMove;
11597 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11598 ResurrectChessProgram(); /* in case first program isn't running */
11600 if (second.pr == NULL) {
11601 StartChessProgram(&second);
11602 if (second.protocolVersion == 1) {
11603 TwoMachinesEventIfReady();
11605 /* kludge: allow timeout for initial "feature" command */
11607 DisplayMessage("", _("Starting second chess program"));
11608 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11612 DisplayMessage("", "");
11613 InitChessProgram(&second, FALSE);
11614 SendToProgram("force\n", &second);
11615 if (startedFromSetupPosition) {
11616 SendBoard(&second, backwardMostMove);
11617 if (appData.debugMode) {
11618 fprintf(debugFP, "Two Machines\n");
11621 for (i = backwardMostMove; i < forwardMostMove; i++) {
11622 SendMoveToProgram(i, &second);
11625 gameMode = TwoMachinesPlay;
11629 DisplayTwoMachinesTitle();
11631 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11637 SendToProgram(first.computerString, &first);
11638 if (first.sendName) {
11639 sprintf(buf, "name %s\n", second.tidy);
11640 SendToProgram(buf, &first);
11642 SendToProgram(second.computerString, &second);
11643 if (second.sendName) {
11644 sprintf(buf, "name %s\n", first.tidy);
11645 SendToProgram(buf, &second);
11649 if (!first.sendTime || !second.sendTime) {
11650 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11651 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11653 if (onmove->sendTime) {
11654 if (onmove->useColors) {
11655 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11657 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11659 if (onmove->useColors) {
11660 SendToProgram(onmove->twoMachinesColor, onmove);
11662 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11663 // SendToProgram("go\n", onmove);
11664 onmove->maybeThinking = TRUE;
11665 SetMachineThinkingEnables();
11669 if(bookHit) { // [HGM] book: simulate book reply
11670 static char bookMove[MSG_SIZ]; // a bit generous?
11672 programStats.nodes = programStats.depth = programStats.time =
11673 programStats.score = programStats.got_only_move = 0;
11674 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11676 strcpy(bookMove, "move ");
11677 strcat(bookMove, bookHit);
11678 savedMessage = bookMove; // args for deferred call
11679 savedState = onmove;
11680 ScheduleDelayedEvent(DeferredBookMove, 1);
11687 if (gameMode == Training) {
11688 SetTrainingModeOff();
11689 gameMode = PlayFromGameFile;
11690 DisplayMessage("", _("Training mode off"));
11692 gameMode = Training;
11693 animateTraining = appData.animate;
11695 /* make sure we are not already at the end of the game */
11696 if (currentMove < forwardMostMove) {
11697 SetTrainingModeOn();
11698 DisplayMessage("", _("Training mode on"));
11700 gameMode = PlayFromGameFile;
11701 DisplayError(_("Already at end of game"), 0);
11710 if (!appData.icsActive) return;
11711 switch (gameMode) {
11712 case IcsPlayingWhite:
11713 case IcsPlayingBlack:
11716 case BeginningOfGame:
11724 EditPositionDone(TRUE);
11737 gameMode = IcsIdle;
11748 switch (gameMode) {
11750 SetTrainingModeOff();
11752 case MachinePlaysWhite:
11753 case MachinePlaysBlack:
11754 case BeginningOfGame:
11755 SendToProgram("force\n", &first);
11756 SetUserThinkingEnables();
11758 case PlayFromGameFile:
11759 (void) StopLoadGameTimer();
11760 if (gameFileFP != NULL) {
11765 EditPositionDone(TRUE);
11770 SendToProgram("force\n", &first);
11772 case TwoMachinesPlay:
11773 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11774 ResurrectChessProgram();
11775 SetUserThinkingEnables();
11778 ResurrectChessProgram();
11780 case IcsPlayingBlack:
11781 case IcsPlayingWhite:
11782 DisplayError(_("Warning: You are still playing a game"), 0);
11785 DisplayError(_("Warning: You are still observing a game"), 0);
11788 DisplayError(_("Warning: You are still examining a game"), 0);
11799 first.offeredDraw = second.offeredDraw = 0;
11801 if (gameMode == PlayFromGameFile) {
11802 whiteTimeRemaining = timeRemaining[0][currentMove];
11803 blackTimeRemaining = timeRemaining[1][currentMove];
11807 if (gameMode == MachinePlaysWhite ||
11808 gameMode == MachinePlaysBlack ||
11809 gameMode == TwoMachinesPlay ||
11810 gameMode == EndOfGame) {
11811 i = forwardMostMove;
11812 while (i > currentMove) {
11813 SendToProgram("undo\n", &first);
11816 whiteTimeRemaining = timeRemaining[0][currentMove];
11817 blackTimeRemaining = timeRemaining[1][currentMove];
11818 DisplayBothClocks();
11819 if (whiteFlag || blackFlag) {
11820 whiteFlag = blackFlag = 0;
11825 gameMode = EditGame;
11832 EditPositionEvent()
11834 if (gameMode == EditPosition) {
11840 if (gameMode != EditGame) return;
11842 gameMode = EditPosition;
11845 if (currentMove > 0)
11846 CopyBoard(boards[0], boards[currentMove]);
11848 blackPlaysFirst = !WhiteOnMove(currentMove);
11850 currentMove = forwardMostMove = backwardMostMove = 0;
11851 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11858 /* [DM] icsEngineAnalyze - possible call from other functions */
11859 if (appData.icsEngineAnalyze) {
11860 appData.icsEngineAnalyze = FALSE;
11862 DisplayMessage("",_("Close ICS engine analyze..."));
11864 if (first.analysisSupport && first.analyzing) {
11865 SendToProgram("exit\n", &first);
11866 first.analyzing = FALSE;
11868 thinkOutput[0] = NULLCHAR;
11872 EditPositionDone(Boolean fakeRights)
11874 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11876 startedFromSetupPosition = TRUE;
11877 InitChessProgram(&first, FALSE);
11878 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11879 boards[0][EP_STATUS] = EP_NONE;
11880 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11881 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11882 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11883 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11884 } else boards[0][CASTLING][2] = NoRights;
11885 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11886 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11887 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11888 } else boards[0][CASTLING][5] = NoRights;
11890 SendToProgram("force\n", &first);
11891 if (blackPlaysFirst) {
11892 strcpy(moveList[0], "");
11893 strcpy(parseList[0], "");
11894 currentMove = forwardMostMove = backwardMostMove = 1;
11895 CopyBoard(boards[1], boards[0]);
11897 currentMove = forwardMostMove = backwardMostMove = 0;
11899 SendBoard(&first, forwardMostMove);
11900 if (appData.debugMode) {
11901 fprintf(debugFP, "EditPosDone\n");
11904 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11905 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11906 gameMode = EditGame;
11908 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11909 ClearHighlights(); /* [AS] */
11912 /* Pause for `ms' milliseconds */
11913 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11923 } while (SubtractTimeMarks(&m2, &m1) < ms);
11926 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11928 SendMultiLineToICS(buf)
11931 char temp[MSG_SIZ+1], *p;
11938 strncpy(temp, buf, len);
11943 if (*p == '\n' || *p == '\r')
11948 strcat(temp, "\n");
11950 SendToPlayer(temp, strlen(temp));
11954 SetWhiteToPlayEvent()
11956 if (gameMode == EditPosition) {
11957 blackPlaysFirst = FALSE;
11958 DisplayBothClocks(); /* works because currentMove is 0 */
11959 } else if (gameMode == IcsExamining) {
11960 SendToICS(ics_prefix);
11961 SendToICS("tomove white\n");
11966 SetBlackToPlayEvent()
11968 if (gameMode == EditPosition) {
11969 blackPlaysFirst = TRUE;
11970 currentMove = 1; /* kludge */
11971 DisplayBothClocks();
11973 } else if (gameMode == IcsExamining) {
11974 SendToICS(ics_prefix);
11975 SendToICS("tomove black\n");
11980 EditPositionMenuEvent(selection, x, y)
11981 ChessSquare selection;
11985 ChessSquare piece = boards[0][y][x];
11987 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11989 switch (selection) {
11991 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11992 SendToICS(ics_prefix);
11993 SendToICS("bsetup clear\n");
11994 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11995 SendToICS(ics_prefix);
11996 SendToICS("clearboard\n");
11998 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11999 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12000 for (y = 0; y < BOARD_HEIGHT; y++) {
12001 if (gameMode == IcsExamining) {
12002 if (boards[currentMove][y][x] != EmptySquare) {
12003 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12008 boards[0][y][x] = p;
12013 if (gameMode == EditPosition) {
12014 DrawPosition(FALSE, boards[0]);
12019 SetWhiteToPlayEvent();
12023 SetBlackToPlayEvent();
12027 if (gameMode == IcsExamining) {
12028 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12029 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12032 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12033 if(x == BOARD_LEFT-2) {
12034 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12035 boards[0][y][1] = 0;
12037 if(x == BOARD_RGHT+1) {
12038 if(y >= gameInfo.holdingsSize) break;
12039 boards[0][y][BOARD_WIDTH-2] = 0;
12042 boards[0][y][x] = EmptySquare;
12043 DrawPosition(FALSE, boards[0]);
12048 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12049 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12050 selection = (ChessSquare) (PROMOTED piece);
12051 } else if(piece == EmptySquare) selection = WhiteSilver;
12052 else selection = (ChessSquare)((int)piece - 1);
12056 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12057 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12058 selection = (ChessSquare) (DEMOTED piece);
12059 } else if(piece == EmptySquare) selection = BlackSilver;
12060 else selection = (ChessSquare)((int)piece + 1);
12065 if(gameInfo.variant == VariantShatranj ||
12066 gameInfo.variant == VariantXiangqi ||
12067 gameInfo.variant == VariantCourier ||
12068 gameInfo.variant == VariantMakruk )
12069 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12074 if(gameInfo.variant == VariantXiangqi)
12075 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12076 if(gameInfo.variant == VariantKnightmate)
12077 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12080 if (gameMode == IcsExamining) {
12081 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12082 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12083 PieceToChar(selection), AAA + x, ONE + y);
12086 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12088 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12089 n = PieceToNumber(selection - BlackPawn);
12090 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12091 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12092 boards[0][BOARD_HEIGHT-1-n][1]++;
12094 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12095 n = PieceToNumber(selection);
12096 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12097 boards[0][n][BOARD_WIDTH-1] = selection;
12098 boards[0][n][BOARD_WIDTH-2]++;
12101 boards[0][y][x] = selection;
12102 DrawPosition(TRUE, boards[0]);
12110 DropMenuEvent(selection, x, y)
12111 ChessSquare selection;
12114 ChessMove moveType;
12116 switch (gameMode) {
12117 case IcsPlayingWhite:
12118 case MachinePlaysBlack:
12119 if (!WhiteOnMove(currentMove)) {
12120 DisplayMoveError(_("It is Black's turn"));
12123 moveType = WhiteDrop;
12125 case IcsPlayingBlack:
12126 case MachinePlaysWhite:
12127 if (WhiteOnMove(currentMove)) {
12128 DisplayMoveError(_("It is White's turn"));
12131 moveType = BlackDrop;
12134 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12140 if (moveType == BlackDrop && selection < BlackPawn) {
12141 selection = (ChessSquare) ((int) selection
12142 + (int) BlackPawn - (int) WhitePawn);
12144 if (boards[currentMove][y][x] != EmptySquare) {
12145 DisplayMoveError(_("That square is occupied"));
12149 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12155 /* Accept a pending offer of any kind from opponent */
12157 if (appData.icsActive) {
12158 SendToICS(ics_prefix);
12159 SendToICS("accept\n");
12160 } else if (cmailMsgLoaded) {
12161 if (currentMove == cmailOldMove &&
12162 commentList[cmailOldMove] != NULL &&
12163 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12164 "Black offers a draw" : "White offers a draw")) {
12166 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12169 DisplayError(_("There is no pending offer on this move"), 0);
12170 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12173 /* Not used for offers from chess program */
12180 /* Decline a pending offer of any kind from opponent */
12182 if (appData.icsActive) {
12183 SendToICS(ics_prefix);
12184 SendToICS("decline\n");
12185 } else if (cmailMsgLoaded) {
12186 if (currentMove == cmailOldMove &&
12187 commentList[cmailOldMove] != NULL &&
12188 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12189 "Black offers a draw" : "White offers a draw")) {
12191 AppendComment(cmailOldMove, "Draw declined", TRUE);
12192 DisplayComment(cmailOldMove - 1, "Draw declined");
12195 DisplayError(_("There is no pending offer on this move"), 0);
12198 /* Not used for offers from chess program */
12205 /* Issue ICS rematch command */
12206 if (appData.icsActive) {
12207 SendToICS(ics_prefix);
12208 SendToICS("rematch\n");
12215 /* Call your opponent's flag (claim a win on time) */
12216 if (appData.icsActive) {
12217 SendToICS(ics_prefix);
12218 SendToICS("flag\n");
12220 switch (gameMode) {
12223 case MachinePlaysWhite:
12226 GameEnds(GameIsDrawn, "Both players ran out of time",
12229 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12231 DisplayError(_("Your opponent is not out of time"), 0);
12234 case MachinePlaysBlack:
12237 GameEnds(GameIsDrawn, "Both players ran out of time",
12240 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12242 DisplayError(_("Your opponent is not out of time"), 0);
12252 /* Offer draw or accept pending draw offer from opponent */
12254 if (appData.icsActive) {
12255 /* Note: tournament rules require draw offers to be
12256 made after you make your move but before you punch
12257 your clock. Currently ICS doesn't let you do that;
12258 instead, you immediately punch your clock after making
12259 a move, but you can offer a draw at any time. */
12261 SendToICS(ics_prefix);
12262 SendToICS("draw\n");
12263 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12264 } else if (cmailMsgLoaded) {
12265 if (currentMove == cmailOldMove &&
12266 commentList[cmailOldMove] != NULL &&
12267 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12268 "Black offers a draw" : "White offers a draw")) {
12269 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12270 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12271 } else if (currentMove == cmailOldMove + 1) {
12272 char *offer = WhiteOnMove(cmailOldMove) ?
12273 "White offers a draw" : "Black offers a draw";
12274 AppendComment(currentMove, offer, TRUE);
12275 DisplayComment(currentMove - 1, offer);
12276 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12278 DisplayError(_("You must make your move before offering a draw"), 0);
12279 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12281 } else if (first.offeredDraw) {
12282 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12284 if (first.sendDrawOffers) {
12285 SendToProgram("draw\n", &first);
12286 userOfferedDraw = TRUE;
12294 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12296 if (appData.icsActive) {
12297 SendToICS(ics_prefix);
12298 SendToICS("adjourn\n");
12300 /* Currently GNU Chess doesn't offer or accept Adjourns */
12308 /* Offer Abort or accept pending Abort offer from opponent */
12310 if (appData.icsActive) {
12311 SendToICS(ics_prefix);
12312 SendToICS("abort\n");
12314 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12321 /* Resign. You can do this even if it's not your turn. */
12323 if (appData.icsActive) {
12324 SendToICS(ics_prefix);
12325 SendToICS("resign\n");
12327 switch (gameMode) {
12328 case MachinePlaysWhite:
12329 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12331 case MachinePlaysBlack:
12332 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12335 if (cmailMsgLoaded) {
12337 if (WhiteOnMove(cmailOldMove)) {
12338 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12340 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12342 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12353 StopObservingEvent()
12355 /* Stop observing current games */
12356 SendToICS(ics_prefix);
12357 SendToICS("unobserve\n");
12361 StopExaminingEvent()
12363 /* Stop observing current game */
12364 SendToICS(ics_prefix);
12365 SendToICS("unexamine\n");
12369 ForwardInner(target)
12374 if (appData.debugMode)
12375 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12376 target, currentMove, forwardMostMove);
12378 if (gameMode == EditPosition)
12381 if (gameMode == PlayFromGameFile && !pausing)
12384 if (gameMode == IcsExamining && pausing)
12385 limit = pauseExamForwardMostMove;
12387 limit = forwardMostMove;
12389 if (target > limit) target = limit;
12391 if (target > 0 && moveList[target - 1][0]) {
12392 int fromX, fromY, toX, toY;
12393 toX = moveList[target - 1][2] - AAA;
12394 toY = moveList[target - 1][3] - ONE;
12395 if (moveList[target - 1][1] == '@') {
12396 if (appData.highlightLastMove) {
12397 SetHighlights(-1, -1, toX, toY);
12400 fromX = moveList[target - 1][0] - AAA;
12401 fromY = moveList[target - 1][1] - ONE;
12402 if (target == currentMove + 1) {
12403 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12405 if (appData.highlightLastMove) {
12406 SetHighlights(fromX, fromY, toX, toY);
12410 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12411 gameMode == Training || gameMode == PlayFromGameFile ||
12412 gameMode == AnalyzeFile) {
12413 while (currentMove < target) {
12414 SendMoveToProgram(currentMove++, &first);
12417 currentMove = target;
12420 if (gameMode == EditGame || gameMode == EndOfGame) {
12421 whiteTimeRemaining = timeRemaining[0][currentMove];
12422 blackTimeRemaining = timeRemaining[1][currentMove];
12424 DisplayBothClocks();
12425 DisplayMove(currentMove - 1);
12426 DrawPosition(FALSE, boards[currentMove]);
12427 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12428 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12429 DisplayComment(currentMove - 1, commentList[currentMove]);
12437 if (gameMode == IcsExamining && !pausing) {
12438 SendToICS(ics_prefix);
12439 SendToICS("forward\n");
12441 ForwardInner(currentMove + 1);
12448 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12449 /* to optimze, we temporarily turn off analysis mode while we feed
12450 * the remaining moves to the engine. Otherwise we get analysis output
12453 if (first.analysisSupport) {
12454 SendToProgram("exit\nforce\n", &first);
12455 first.analyzing = FALSE;
12459 if (gameMode == IcsExamining && !pausing) {
12460 SendToICS(ics_prefix);
12461 SendToICS("forward 999999\n");
12463 ForwardInner(forwardMostMove);
12466 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12467 /* we have fed all the moves, so reactivate analysis mode */
12468 SendToProgram("analyze\n", &first);
12469 first.analyzing = TRUE;
12470 /*first.maybeThinking = TRUE;*/
12471 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12476 BackwardInner(target)
12479 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12481 if (appData.debugMode)
12482 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12483 target, currentMove, forwardMostMove);
12485 if (gameMode == EditPosition) return;
12486 if (currentMove <= backwardMostMove) {
12488 DrawPosition(full_redraw, boards[currentMove]);
12491 if (gameMode == PlayFromGameFile && !pausing)
12494 if (moveList[target][0]) {
12495 int fromX, fromY, toX, toY;
12496 toX = moveList[target][2] - AAA;
12497 toY = moveList[target][3] - ONE;
12498 if (moveList[target][1] == '@') {
12499 if (appData.highlightLastMove) {
12500 SetHighlights(-1, -1, toX, toY);
12503 fromX = moveList[target][0] - AAA;
12504 fromY = moveList[target][1] - ONE;
12505 if (target == currentMove - 1) {
12506 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12508 if (appData.highlightLastMove) {
12509 SetHighlights(fromX, fromY, toX, toY);
12513 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12514 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12515 while (currentMove > target) {
12516 SendToProgram("undo\n", &first);
12520 currentMove = target;
12523 if (gameMode == EditGame || gameMode == EndOfGame) {
12524 whiteTimeRemaining = timeRemaining[0][currentMove];
12525 blackTimeRemaining = timeRemaining[1][currentMove];
12527 DisplayBothClocks();
12528 DisplayMove(currentMove - 1);
12529 DrawPosition(full_redraw, boards[currentMove]);
12530 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12531 // [HGM] PV info: routine tests if comment empty
12532 DisplayComment(currentMove - 1, commentList[currentMove]);
12538 if (gameMode == IcsExamining && !pausing) {
12539 SendToICS(ics_prefix);
12540 SendToICS("backward\n");
12542 BackwardInner(currentMove - 1);
12549 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12550 /* to optimize, we temporarily turn off analysis mode while we undo
12551 * all the moves. Otherwise we get analysis output after each undo.
12553 if (first.analysisSupport) {
12554 SendToProgram("exit\nforce\n", &first);
12555 first.analyzing = FALSE;
12559 if (gameMode == IcsExamining && !pausing) {
12560 SendToICS(ics_prefix);
12561 SendToICS("backward 999999\n");
12563 BackwardInner(backwardMostMove);
12566 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12567 /* we have fed all the moves, so reactivate analysis mode */
12568 SendToProgram("analyze\n", &first);
12569 first.analyzing = TRUE;
12570 /*first.maybeThinking = TRUE;*/
12571 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12578 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12579 if (to >= forwardMostMove) to = forwardMostMove;
12580 if (to <= backwardMostMove) to = backwardMostMove;
12581 if (to < currentMove) {
12591 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12594 if (gameMode != IcsExamining) {
12595 DisplayError(_("You are not examining a game"), 0);
12599 DisplayError(_("You can't revert while pausing"), 0);
12602 SendToICS(ics_prefix);
12603 SendToICS("revert\n");
12609 switch (gameMode) {
12610 case MachinePlaysWhite:
12611 case MachinePlaysBlack:
12612 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12613 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12616 if (forwardMostMove < 2) return;
12617 currentMove = forwardMostMove = forwardMostMove - 2;
12618 whiteTimeRemaining = timeRemaining[0][currentMove];
12619 blackTimeRemaining = timeRemaining[1][currentMove];
12620 DisplayBothClocks();
12621 DisplayMove(currentMove - 1);
12622 ClearHighlights();/*!! could figure this out*/
12623 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12624 SendToProgram("remove\n", &first);
12625 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12628 case BeginningOfGame:
12632 case IcsPlayingWhite:
12633 case IcsPlayingBlack:
12634 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12635 SendToICS(ics_prefix);
12636 SendToICS("takeback 2\n");
12638 SendToICS(ics_prefix);
12639 SendToICS("takeback 1\n");
12648 ChessProgramState *cps;
12650 switch (gameMode) {
12651 case MachinePlaysWhite:
12652 if (!WhiteOnMove(forwardMostMove)) {
12653 DisplayError(_("It is your turn"), 0);
12658 case MachinePlaysBlack:
12659 if (WhiteOnMove(forwardMostMove)) {
12660 DisplayError(_("It is your turn"), 0);
12665 case TwoMachinesPlay:
12666 if (WhiteOnMove(forwardMostMove) ==
12667 (first.twoMachinesColor[0] == 'w')) {
12673 case BeginningOfGame:
12677 SendToProgram("?\n", cps);
12681 TruncateGameEvent()
12684 if (gameMode != EditGame) return;
12691 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12692 if (forwardMostMove > currentMove) {
12693 if (gameInfo.resultDetails != NULL) {
12694 free(gameInfo.resultDetails);
12695 gameInfo.resultDetails = NULL;
12696 gameInfo.result = GameUnfinished;
12698 forwardMostMove = currentMove;
12699 HistorySet(parseList, backwardMostMove, forwardMostMove,
12707 if (appData.noChessProgram) return;
12708 switch (gameMode) {
12709 case MachinePlaysWhite:
12710 if (WhiteOnMove(forwardMostMove)) {
12711 DisplayError(_("Wait until your turn"), 0);
12715 case BeginningOfGame:
12716 case MachinePlaysBlack:
12717 if (!WhiteOnMove(forwardMostMove)) {
12718 DisplayError(_("Wait until your turn"), 0);
12723 DisplayError(_("No hint available"), 0);
12726 SendToProgram("hint\n", &first);
12727 hintRequested = TRUE;
12733 if (appData.noChessProgram) return;
12734 switch (gameMode) {
12735 case MachinePlaysWhite:
12736 if (WhiteOnMove(forwardMostMove)) {
12737 DisplayError(_("Wait until your turn"), 0);
12741 case BeginningOfGame:
12742 case MachinePlaysBlack:
12743 if (!WhiteOnMove(forwardMostMove)) {
12744 DisplayError(_("Wait until your turn"), 0);
12749 EditPositionDone(TRUE);
12751 case TwoMachinesPlay:
12756 SendToProgram("bk\n", &first);
12757 bookOutput[0] = NULLCHAR;
12758 bookRequested = TRUE;
12764 char *tags = PGNTags(&gameInfo);
12765 TagsPopUp(tags, CmailMsg());
12769 /* end button procedures */
12772 PrintPosition(fp, move)
12778 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12779 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12780 char c = PieceToChar(boards[move][i][j]);
12781 fputc(c == 'x' ? '.' : c, fp);
12782 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12785 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12786 fprintf(fp, "white to play\n");
12788 fprintf(fp, "black to play\n");
12795 if (gameInfo.white != NULL) {
12796 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12802 /* Find last component of program's own name, using some heuristics */
12804 TidyProgramName(prog, host, buf)
12805 char *prog, *host, buf[MSG_SIZ];
12808 int local = (strcmp(host, "localhost") == 0);
12809 while (!local && (p = strchr(prog, ';')) != NULL) {
12811 while (*p == ' ') p++;
12814 if (*prog == '"' || *prog == '\'') {
12815 q = strchr(prog + 1, *prog);
12817 q = strchr(prog, ' ');
12819 if (q == NULL) q = prog + strlen(prog);
12821 while (p >= prog && *p != '/' && *p != '\\') p--;
12823 if(p == prog && *p == '"') p++;
12824 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12825 memcpy(buf, p, q - p);
12826 buf[q - p] = NULLCHAR;
12834 TimeControlTagValue()
12837 if (!appData.clockMode) {
12839 } else if (movesPerSession > 0) {
12840 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12841 } else if (timeIncrement == 0) {
12842 sprintf(buf, "%ld", timeControl/1000);
12844 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12846 return StrSave(buf);
12852 /* This routine is used only for certain modes */
12853 VariantClass v = gameInfo.variant;
12854 ChessMove r = GameUnfinished;
12857 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12858 r = gameInfo.result;
12859 p = gameInfo.resultDetails;
12860 gameInfo.resultDetails = NULL;
12862 ClearGameInfo(&gameInfo);
12863 gameInfo.variant = v;
12865 switch (gameMode) {
12866 case MachinePlaysWhite:
12867 gameInfo.event = StrSave( appData.pgnEventHeader );
12868 gameInfo.site = StrSave(HostName());
12869 gameInfo.date = PGNDate();
12870 gameInfo.round = StrSave("-");
12871 gameInfo.white = StrSave(first.tidy);
12872 gameInfo.black = StrSave(UserName());
12873 gameInfo.timeControl = TimeControlTagValue();
12876 case MachinePlaysBlack:
12877 gameInfo.event = StrSave( appData.pgnEventHeader );
12878 gameInfo.site = StrSave(HostName());
12879 gameInfo.date = PGNDate();
12880 gameInfo.round = StrSave("-");
12881 gameInfo.white = StrSave(UserName());
12882 gameInfo.black = StrSave(first.tidy);
12883 gameInfo.timeControl = TimeControlTagValue();
12886 case TwoMachinesPlay:
12887 gameInfo.event = StrSave( appData.pgnEventHeader );
12888 gameInfo.site = StrSave(HostName());
12889 gameInfo.date = PGNDate();
12890 if (matchGame > 0) {
12892 sprintf(buf, "%d", matchGame);
12893 gameInfo.round = StrSave(buf);
12895 gameInfo.round = StrSave("-");
12897 if (first.twoMachinesColor[0] == 'w') {
12898 gameInfo.white = StrSave(first.tidy);
12899 gameInfo.black = StrSave(second.tidy);
12901 gameInfo.white = StrSave(second.tidy);
12902 gameInfo.black = StrSave(first.tidy);
12904 gameInfo.timeControl = TimeControlTagValue();
12908 gameInfo.event = StrSave("Edited game");
12909 gameInfo.site = StrSave(HostName());
12910 gameInfo.date = PGNDate();
12911 gameInfo.round = StrSave("-");
12912 gameInfo.white = StrSave("-");
12913 gameInfo.black = StrSave("-");
12914 gameInfo.result = r;
12915 gameInfo.resultDetails = p;
12919 gameInfo.event = StrSave("Edited position");
12920 gameInfo.site = StrSave(HostName());
12921 gameInfo.date = PGNDate();
12922 gameInfo.round = StrSave("-");
12923 gameInfo.white = StrSave("-");
12924 gameInfo.black = StrSave("-");
12927 case IcsPlayingWhite:
12928 case IcsPlayingBlack:
12933 case PlayFromGameFile:
12934 gameInfo.event = StrSave("Game from non-PGN file");
12935 gameInfo.site = StrSave(HostName());
12936 gameInfo.date = PGNDate();
12937 gameInfo.round = StrSave("-");
12938 gameInfo.white = StrSave("?");
12939 gameInfo.black = StrSave("?");
12948 ReplaceComment(index, text)
12954 while (*text == '\n') text++;
12955 len = strlen(text);
12956 while (len > 0 && text[len - 1] == '\n') len--;
12958 if (commentList[index] != NULL)
12959 free(commentList[index]);
12962 commentList[index] = NULL;
12965 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12966 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12967 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12968 commentList[index] = (char *) malloc(len + 2);
12969 strncpy(commentList[index], text, len);
12970 commentList[index][len] = '\n';
12971 commentList[index][len + 1] = NULLCHAR;
12973 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12975 commentList[index] = (char *) malloc(len + 6);
12976 strcpy(commentList[index], "{\n");
12977 strncpy(commentList[index]+2, text, len);
12978 commentList[index][len+2] = NULLCHAR;
12979 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12980 strcat(commentList[index], "\n}\n");
12994 if (ch == '\r') continue;
12996 } while (ch != '\0');
13000 AppendComment(index, text, addBraces)
13003 Boolean addBraces; // [HGM] braces: tells if we should add {}
13008 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13009 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13012 while (*text == '\n') text++;
13013 len = strlen(text);
13014 while (len > 0 && text[len - 1] == '\n') len--;
13016 if (len == 0) return;
13018 if (commentList[index] != NULL) {
13019 old = commentList[index];
13020 oldlen = strlen(old);
13021 while(commentList[index][oldlen-1] == '\n')
13022 commentList[index][--oldlen] = NULLCHAR;
13023 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13024 strcpy(commentList[index], old);
13026 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13027 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13028 if(addBraces) addBraces = FALSE; else { text++; len--; }
13029 while (*text == '\n') { text++; len--; }
13030 commentList[index][--oldlen] = NULLCHAR;
13032 if(addBraces) strcat(commentList[index], "\n{\n");
13033 else strcat(commentList[index], "\n");
13034 strcat(commentList[index], text);
13035 if(addBraces) strcat(commentList[index], "\n}\n");
13036 else strcat(commentList[index], "\n");
13038 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13040 strcpy(commentList[index], "{\n");
13041 else commentList[index][0] = NULLCHAR;
13042 strcat(commentList[index], text);
13043 strcat(commentList[index], "\n");
13044 if(addBraces) strcat(commentList[index], "}\n");
13048 static char * FindStr( char * text, char * sub_text )
13050 char * result = strstr( text, sub_text );
13052 if( result != NULL ) {
13053 result += strlen( sub_text );
13059 /* [AS] Try to extract PV info from PGN comment */
13060 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13061 char *GetInfoFromComment( int index, char * text )
13065 if( text != NULL && index > 0 ) {
13068 int time = -1, sec = 0, deci;
13069 char * s_eval = FindStr( text, "[%eval " );
13070 char * s_emt = FindStr( text, "[%emt " );
13072 if( s_eval != NULL || s_emt != NULL ) {
13076 if( s_eval != NULL ) {
13077 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13081 if( delim != ']' ) {
13086 if( s_emt != NULL ) {
13091 /* We expect something like: [+|-]nnn.nn/dd */
13094 if(*text != '{') return text; // [HGM] braces: must be normal comment
13096 sep = strchr( text, '/' );
13097 if( sep == NULL || sep < (text+4) ) {
13101 time = -1; sec = -1; deci = -1;
13102 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13103 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13104 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13105 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13109 if( score_lo < 0 || score_lo >= 100 ) {
13113 if(sec >= 0) time = 600*time + 10*sec; else
13114 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13116 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13118 /* [HGM] PV time: now locate end of PV info */
13119 while( *++sep >= '0' && *sep <= '9'); // strip depth
13121 while( *++sep >= '0' && *sep <= '9'); // strip time
13123 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13125 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13126 while(*sep == ' ') sep++;
13137 pvInfoList[index-1].depth = depth;
13138 pvInfoList[index-1].score = score;
13139 pvInfoList[index-1].time = 10*time; // centi-sec
13140 if(*sep == '}') *sep = 0; else *--sep = '{';
13146 SendToProgram(message, cps)
13148 ChessProgramState *cps;
13150 int count, outCount, error;
13153 if (cps->pr == NULL) return;
13156 if (appData.debugMode) {
13159 fprintf(debugFP, "%ld >%-6s: %s",
13160 SubtractTimeMarks(&now, &programStartTime),
13161 cps->which, message);
13164 count = strlen(message);
13165 outCount = OutputToProcess(cps->pr, message, count, &error);
13166 if (outCount < count && !exiting
13167 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13168 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13169 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13170 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13171 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13172 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13174 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13176 gameInfo.resultDetails = StrSave(buf);
13178 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13183 ReceiveFromProgram(isr, closure, message, count, error)
13184 InputSourceRef isr;
13192 ChessProgramState *cps = (ChessProgramState *)closure;
13194 if (isr != cps->isr) return; /* Killed intentionally */
13198 _("Error: %s chess program (%s) exited unexpectedly"),
13199 cps->which, cps->program);
13200 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13201 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13202 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13203 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13205 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13207 gameInfo.resultDetails = StrSave(buf);
13209 RemoveInputSource(cps->isr);
13210 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13213 _("Error reading from %s chess program (%s)"),
13214 cps->which, cps->program);
13215 RemoveInputSource(cps->isr);
13217 /* [AS] Program is misbehaving badly... kill it */
13218 if( count == -2 ) {
13219 DestroyChildProcess( cps->pr, 9 );
13223 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13228 if ((end_str = strchr(message, '\r')) != NULL)
13229 *end_str = NULLCHAR;
13230 if ((end_str = strchr(message, '\n')) != NULL)
13231 *end_str = NULLCHAR;
13233 if (appData.debugMode) {
13234 TimeMark now; int print = 1;
13235 char *quote = ""; char c; int i;
13237 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13238 char start = message[0];
13239 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13240 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13241 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13242 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13243 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13244 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13245 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13246 sscanf(message, "pong %c", &c)!=1 && start != '#')
13247 { quote = "# "; print = (appData.engineComments == 2); }
13248 message[0] = start; // restore original message
13252 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13253 SubtractTimeMarks(&now, &programStartTime), cps->which,
13259 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13260 if (appData.icsEngineAnalyze) {
13261 if (strstr(message, "whisper") != NULL ||
13262 strstr(message, "kibitz") != NULL ||
13263 strstr(message, "tellics") != NULL) return;
13266 HandleMachineMove(message, cps);
13271 SendTimeControl(cps, mps, tc, inc, sd, st)
13272 ChessProgramState *cps;
13273 int mps, inc, sd, st;
13279 if( timeControl_2 > 0 ) {
13280 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13281 tc = timeControl_2;
13284 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13285 inc /= cps->timeOdds;
13286 st /= cps->timeOdds;
13288 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13291 /* Set exact time per move, normally using st command */
13292 if (cps->stKludge) {
13293 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13295 if (seconds == 0) {
13296 sprintf(buf, "level 1 %d\n", st/60);
13298 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13301 sprintf(buf, "st %d\n", st);
13304 /* Set conventional or incremental time control, using level command */
13305 if (seconds == 0) {
13306 /* Note old gnuchess bug -- minutes:seconds used to not work.
13307 Fixed in later versions, but still avoid :seconds
13308 when seconds is 0. */
13309 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13311 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13312 seconds, inc/1000);
13315 SendToProgram(buf, cps);
13317 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13318 /* Orthogonally, limit search to given depth */
13320 if (cps->sdKludge) {
13321 sprintf(buf, "depth\n%d\n", sd);
13323 sprintf(buf, "sd %d\n", sd);
13325 SendToProgram(buf, cps);
13328 if(cps->nps > 0) { /* [HGM] nps */
13329 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13331 sprintf(buf, "nps %d\n", cps->nps);
13332 SendToProgram(buf, cps);
13337 ChessProgramState *WhitePlayer()
13338 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13340 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13341 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13347 SendTimeRemaining(cps, machineWhite)
13348 ChessProgramState *cps;
13349 int /*boolean*/ machineWhite;
13351 char message[MSG_SIZ];
13354 /* Note: this routine must be called when the clocks are stopped
13355 or when they have *just* been set or switched; otherwise
13356 it will be off by the time since the current tick started.
13358 if (machineWhite) {
13359 time = whiteTimeRemaining / 10;
13360 otime = blackTimeRemaining / 10;
13362 time = blackTimeRemaining / 10;
13363 otime = whiteTimeRemaining / 10;
13365 /* [HGM] translate opponent's time by time-odds factor */
13366 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13367 if (appData.debugMode) {
13368 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13371 if (time <= 0) time = 1;
13372 if (otime <= 0) otime = 1;
13374 sprintf(message, "time %ld\n", time);
13375 SendToProgram(message, cps);
13377 sprintf(message, "otim %ld\n", otime);
13378 SendToProgram(message, cps);
13382 BoolFeature(p, name, loc, cps)
13386 ChessProgramState *cps;
13389 int len = strlen(name);
13391 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13393 sscanf(*p, "%d", &val);
13395 while (**p && **p != ' ') (*p)++;
13396 sprintf(buf, "accepted %s\n", name);
13397 SendToProgram(buf, cps);
13404 IntFeature(p, name, loc, cps)
13408 ChessProgramState *cps;
13411 int len = strlen(name);
13412 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13414 sscanf(*p, "%d", loc);
13415 while (**p && **p != ' ') (*p)++;
13416 sprintf(buf, "accepted %s\n", name);
13417 SendToProgram(buf, cps);
13424 StringFeature(p, name, loc, cps)
13428 ChessProgramState *cps;
13431 int len = strlen(name);
13432 if (strncmp((*p), name, len) == 0
13433 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13435 sscanf(*p, "%[^\"]", loc);
13436 while (**p && **p != '\"') (*p)++;
13437 if (**p == '\"') (*p)++;
13438 sprintf(buf, "accepted %s\n", name);
13439 SendToProgram(buf, cps);
13446 ParseOption(Option *opt, ChessProgramState *cps)
13447 // [HGM] options: process the string that defines an engine option, and determine
13448 // name, type, default value, and allowed value range
13450 char *p, *q, buf[MSG_SIZ];
13451 int n, min = (-1)<<31, max = 1<<31, def;
13453 if(p = strstr(opt->name, " -spin ")) {
13454 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13455 if(max < min) max = min; // enforce consistency
13456 if(def < min) def = min;
13457 if(def > max) def = max;
13462 } else if((p = strstr(opt->name, " -slider "))) {
13463 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13464 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13465 if(max < min) max = min; // enforce consistency
13466 if(def < min) def = min;
13467 if(def > max) def = max;
13471 opt->type = Spin; // Slider;
13472 } else if((p = strstr(opt->name, " -string "))) {
13473 opt->textValue = p+9;
13474 opt->type = TextBox;
13475 } else if((p = strstr(opt->name, " -file "))) {
13476 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13477 opt->textValue = p+7;
13478 opt->type = TextBox; // FileName;
13479 } else if((p = strstr(opt->name, " -path "))) {
13480 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13481 opt->textValue = p+7;
13482 opt->type = TextBox; // PathName;
13483 } else if(p = strstr(opt->name, " -check ")) {
13484 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13485 opt->value = (def != 0);
13486 opt->type = CheckBox;
13487 } else if(p = strstr(opt->name, " -combo ")) {
13488 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13489 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13490 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13491 opt->value = n = 0;
13492 while(q = StrStr(q, " /// ")) {
13493 n++; *q = 0; // count choices, and null-terminate each of them
13495 if(*q == '*') { // remember default, which is marked with * prefix
13499 cps->comboList[cps->comboCnt++] = q;
13501 cps->comboList[cps->comboCnt++] = NULL;
13503 opt->type = ComboBox;
13504 } else if(p = strstr(opt->name, " -button")) {
13505 opt->type = Button;
13506 } else if(p = strstr(opt->name, " -save")) {
13507 opt->type = SaveButton;
13508 } else return FALSE;
13509 *p = 0; // terminate option name
13510 // now look if the command-line options define a setting for this engine option.
13511 if(cps->optionSettings && cps->optionSettings[0])
13512 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13513 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13514 sprintf(buf, "option %s", p);
13515 if(p = strstr(buf, ",")) *p = 0;
13517 SendToProgram(buf, cps);
13523 FeatureDone(cps, val)
13524 ChessProgramState* cps;
13527 DelayedEventCallback cb = GetDelayedEvent();
13528 if ((cb == InitBackEnd3 && cps == &first) ||
13529 (cb == TwoMachinesEventIfReady && cps == &second)) {
13530 CancelDelayedEvent();
13531 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13533 cps->initDone = val;
13536 /* Parse feature command from engine */
13538 ParseFeatures(args, cps)
13540 ChessProgramState *cps;
13548 while (*p == ' ') p++;
13549 if (*p == NULLCHAR) return;
13551 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13552 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13553 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13554 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13555 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13556 if (BoolFeature(&p, "reuse", &val, cps)) {
13557 /* Engine can disable reuse, but can't enable it if user said no */
13558 if (!val) cps->reuse = FALSE;
13561 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13562 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13563 if (gameMode == TwoMachinesPlay) {
13564 DisplayTwoMachinesTitle();
13570 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13571 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13572 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13573 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13574 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13575 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13576 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13577 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13578 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13579 if (IntFeature(&p, "done", &val, cps)) {
13580 FeatureDone(cps, val);
13583 /* Added by Tord: */
13584 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13585 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13586 /* End of additions by Tord */
13588 /* [HGM] added features: */
13589 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13590 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13591 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13592 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13593 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13594 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13595 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13596 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13597 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13598 SendToProgram(buf, cps);
13601 if(cps->nrOptions >= MAX_OPTIONS) {
13603 sprintf(buf, "%s engine has too many options\n", cps->which);
13604 DisplayError(buf, 0);
13608 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13609 /* End of additions by HGM */
13611 /* unknown feature: complain and skip */
13613 while (*q && *q != '=') q++;
13614 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13615 SendToProgram(buf, cps);
13621 while (*p && *p != '\"') p++;
13622 if (*p == '\"') p++;
13624 while (*p && *p != ' ') p++;
13632 PeriodicUpdatesEvent(newState)
13635 if (newState == appData.periodicUpdates)
13638 appData.periodicUpdates=newState;
13640 /* Display type changes, so update it now */
13641 // DisplayAnalysis();
13643 /* Get the ball rolling again... */
13645 AnalysisPeriodicEvent(1);
13646 StartAnalysisClock();
13651 PonderNextMoveEvent(newState)
13654 if (newState == appData.ponderNextMove) return;
13655 if (gameMode == EditPosition) EditPositionDone(TRUE);
13657 SendToProgram("hard\n", &first);
13658 if (gameMode == TwoMachinesPlay) {
13659 SendToProgram("hard\n", &second);
13662 SendToProgram("easy\n", &first);
13663 thinkOutput[0] = NULLCHAR;
13664 if (gameMode == TwoMachinesPlay) {
13665 SendToProgram("easy\n", &second);
13668 appData.ponderNextMove = newState;
13672 NewSettingEvent(option, command, value)
13678 if (gameMode == EditPosition) EditPositionDone(TRUE);
13679 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13680 SendToProgram(buf, &first);
13681 if (gameMode == TwoMachinesPlay) {
13682 SendToProgram(buf, &second);
13687 ShowThinkingEvent()
13688 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13690 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13691 int newState = appData.showThinking
13692 // [HGM] thinking: other features now need thinking output as well
13693 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13695 if (oldState == newState) return;
13696 oldState = newState;
13697 if (gameMode == EditPosition) EditPositionDone(TRUE);
13699 SendToProgram("post\n", &first);
13700 if (gameMode == TwoMachinesPlay) {
13701 SendToProgram("post\n", &second);
13704 SendToProgram("nopost\n", &first);
13705 thinkOutput[0] = NULLCHAR;
13706 if (gameMode == TwoMachinesPlay) {
13707 SendToProgram("nopost\n", &second);
13710 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13714 AskQuestionEvent(title, question, replyPrefix, which)
13715 char *title; char *question; char *replyPrefix; char *which;
13717 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13718 if (pr == NoProc) return;
13719 AskQuestion(title, question, replyPrefix, pr);
13723 DisplayMove(moveNumber)
13726 char message[MSG_SIZ];
13728 char cpThinkOutput[MSG_SIZ];
13730 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13732 if (moveNumber == forwardMostMove - 1 ||
13733 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13735 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13737 if (strchr(cpThinkOutput, '\n')) {
13738 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13741 *cpThinkOutput = NULLCHAR;
13744 /* [AS] Hide thinking from human user */
13745 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13746 *cpThinkOutput = NULLCHAR;
13747 if( thinkOutput[0] != NULLCHAR ) {
13750 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13751 cpThinkOutput[i] = '.';
13753 cpThinkOutput[i] = NULLCHAR;
13754 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13758 if (moveNumber == forwardMostMove - 1 &&
13759 gameInfo.resultDetails != NULL) {
13760 if (gameInfo.resultDetails[0] == NULLCHAR) {
13761 sprintf(res, " %s", PGNResult(gameInfo.result));
13763 sprintf(res, " {%s} %s",
13764 gameInfo.resultDetails, PGNResult(gameInfo.result));
13770 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13771 DisplayMessage(res, cpThinkOutput);
13773 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13774 WhiteOnMove(moveNumber) ? " " : ".. ",
13775 parseList[moveNumber], res);
13776 DisplayMessage(message, cpThinkOutput);
13781 DisplayComment(moveNumber, text)
13785 char title[MSG_SIZ];
13786 char buf[8000]; // comment can be long!
13789 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13790 strcpy(title, "Comment");
13792 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13793 WhiteOnMove(moveNumber) ? " " : ".. ",
13794 parseList[moveNumber]);
13796 // [HGM] PV info: display PV info together with (or as) comment
13797 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13798 if(text == NULL) text = "";
13799 score = pvInfoList[moveNumber].score;
13800 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13801 depth, (pvInfoList[moveNumber].time+50)/100, text);
13804 if (text != NULL && (appData.autoDisplayComment || commentUp))
13805 CommentPopUp(title, text);
13808 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13809 * might be busy thinking or pondering. It can be omitted if your
13810 * gnuchess is configured to stop thinking immediately on any user
13811 * input. However, that gnuchess feature depends on the FIONREAD
13812 * ioctl, which does not work properly on some flavors of Unix.
13816 ChessProgramState *cps;
13819 if (!cps->useSigint) return;
13820 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13821 switch (gameMode) {
13822 case MachinePlaysWhite:
13823 case MachinePlaysBlack:
13824 case TwoMachinesPlay:
13825 case IcsPlayingWhite:
13826 case IcsPlayingBlack:
13829 /* Skip if we know it isn't thinking */
13830 if (!cps->maybeThinking) return;
13831 if (appData.debugMode)
13832 fprintf(debugFP, "Interrupting %s\n", cps->which);
13833 InterruptChildProcess(cps->pr);
13834 cps->maybeThinking = FALSE;
13839 #endif /*ATTENTION*/
13845 if (whiteTimeRemaining <= 0) {
13848 if (appData.icsActive) {
13849 if (appData.autoCallFlag &&
13850 gameMode == IcsPlayingBlack && !blackFlag) {
13851 SendToICS(ics_prefix);
13852 SendToICS("flag\n");
13856 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13858 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13859 if (appData.autoCallFlag) {
13860 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13867 if (blackTimeRemaining <= 0) {
13870 if (appData.icsActive) {
13871 if (appData.autoCallFlag &&
13872 gameMode == IcsPlayingWhite && !whiteFlag) {
13873 SendToICS(ics_prefix);
13874 SendToICS("flag\n");
13878 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13880 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13881 if (appData.autoCallFlag) {
13882 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13895 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13896 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13899 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13901 if ( !WhiteOnMove(forwardMostMove) )
13902 /* White made time control */
13903 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13904 /* [HGM] time odds: correct new time quota for time odds! */
13905 / WhitePlayer()->timeOdds;
13907 /* Black made time control */
13908 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13909 / WhitePlayer()->other->timeOdds;
13913 DisplayBothClocks()
13915 int wom = gameMode == EditPosition ?
13916 !blackPlaysFirst : WhiteOnMove(currentMove);
13917 DisplayWhiteClock(whiteTimeRemaining, wom);
13918 DisplayBlackClock(blackTimeRemaining, !wom);
13922 /* Timekeeping seems to be a portability nightmare. I think everyone
13923 has ftime(), but I'm really not sure, so I'm including some ifdefs
13924 to use other calls if you don't. Clocks will be less accurate if
13925 you have neither ftime nor gettimeofday.
13928 /* VS 2008 requires the #include outside of the function */
13929 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13930 #include <sys/timeb.h>
13933 /* Get the current time as a TimeMark */
13938 #if HAVE_GETTIMEOFDAY
13940 struct timeval timeVal;
13941 struct timezone timeZone;
13943 gettimeofday(&timeVal, &timeZone);
13944 tm->sec = (long) timeVal.tv_sec;
13945 tm->ms = (int) (timeVal.tv_usec / 1000L);
13947 #else /*!HAVE_GETTIMEOFDAY*/
13950 // include <sys/timeb.h> / moved to just above start of function
13951 struct timeb timeB;
13954 tm->sec = (long) timeB.time;
13955 tm->ms = (int) timeB.millitm;
13957 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13958 tm->sec = (long) time(NULL);
13964 /* Return the difference in milliseconds between two
13965 time marks. We assume the difference will fit in a long!
13968 SubtractTimeMarks(tm2, tm1)
13969 TimeMark *tm2, *tm1;
13971 return 1000L*(tm2->sec - tm1->sec) +
13972 (long) (tm2->ms - tm1->ms);
13977 * Code to manage the game clocks.
13979 * In tournament play, black starts the clock and then white makes a move.
13980 * We give the human user a slight advantage if he is playing white---the
13981 * clocks don't run until he makes his first move, so it takes zero time.
13982 * Also, we don't account for network lag, so we could get out of sync
13983 * with GNU Chess's clock -- but then, referees are always right.
13986 static TimeMark tickStartTM;
13987 static long intendedTickLength;
13990 NextTickLength(timeRemaining)
13991 long timeRemaining;
13993 long nominalTickLength, nextTickLength;
13995 if (timeRemaining > 0L && timeRemaining <= 10000L)
13996 nominalTickLength = 100L;
13998 nominalTickLength = 1000L;
13999 nextTickLength = timeRemaining % nominalTickLength;
14000 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14002 return nextTickLength;
14005 /* Adjust clock one minute up or down */
14007 AdjustClock(Boolean which, int dir)
14009 if(which) blackTimeRemaining += 60000*dir;
14010 else whiteTimeRemaining += 60000*dir;
14011 DisplayBothClocks();
14014 /* Stop clocks and reset to a fresh time control */
14018 (void) StopClockTimer();
14019 if (appData.icsActive) {
14020 whiteTimeRemaining = blackTimeRemaining = 0;
14021 } else if (searchTime) {
14022 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14023 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14024 } else { /* [HGM] correct new time quote for time odds */
14025 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14026 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14028 if (whiteFlag || blackFlag) {
14030 whiteFlag = blackFlag = FALSE;
14032 DisplayBothClocks();
14035 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14037 /* Decrement running clock by amount of time that has passed */
14041 long timeRemaining;
14042 long lastTickLength, fudge;
14045 if (!appData.clockMode) return;
14046 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14050 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14052 /* Fudge if we woke up a little too soon */
14053 fudge = intendedTickLength - lastTickLength;
14054 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14056 if (WhiteOnMove(forwardMostMove)) {
14057 if(whiteNPS >= 0) lastTickLength = 0;
14058 timeRemaining = whiteTimeRemaining -= lastTickLength;
14059 DisplayWhiteClock(whiteTimeRemaining - fudge,
14060 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14062 if(blackNPS >= 0) lastTickLength = 0;
14063 timeRemaining = blackTimeRemaining -= lastTickLength;
14064 DisplayBlackClock(blackTimeRemaining - fudge,
14065 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14068 if (CheckFlags()) return;
14071 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14072 StartClockTimer(intendedTickLength);
14074 /* if the time remaining has fallen below the alarm threshold, sound the
14075 * alarm. if the alarm has sounded and (due to a takeback or time control
14076 * with increment) the time remaining has increased to a level above the
14077 * threshold, reset the alarm so it can sound again.
14080 if (appData.icsActive && appData.icsAlarm) {
14082 /* make sure we are dealing with the user's clock */
14083 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14084 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14087 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14088 alarmSounded = FALSE;
14089 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14091 alarmSounded = TRUE;
14097 /* A player has just moved, so stop the previously running
14098 clock and (if in clock mode) start the other one.
14099 We redisplay both clocks in case we're in ICS mode, because
14100 ICS gives us an update to both clocks after every move.
14101 Note that this routine is called *after* forwardMostMove
14102 is updated, so the last fractional tick must be subtracted
14103 from the color that is *not* on move now.
14106 SwitchClocks(int newMoveNr)
14108 long lastTickLength;
14110 int flagged = FALSE;
14114 if (StopClockTimer() && appData.clockMode) {
14115 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14116 if (!WhiteOnMove(forwardMostMove)) {
14117 if(blackNPS >= 0) lastTickLength = 0;
14118 blackTimeRemaining -= lastTickLength;
14119 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14120 // if(pvInfoList[forwardMostMove-1].time == -1)
14121 pvInfoList[forwardMostMove-1].time = // use GUI time
14122 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14124 if(whiteNPS >= 0) lastTickLength = 0;
14125 whiteTimeRemaining -= lastTickLength;
14126 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14127 // if(pvInfoList[forwardMostMove-1].time == -1)
14128 pvInfoList[forwardMostMove-1].time =
14129 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14131 flagged = CheckFlags();
14133 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14134 CheckTimeControl();
14136 if (flagged || !appData.clockMode) return;
14138 switch (gameMode) {
14139 case MachinePlaysBlack:
14140 case MachinePlaysWhite:
14141 case BeginningOfGame:
14142 if (pausing) return;
14146 case PlayFromGameFile:
14154 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14155 if(WhiteOnMove(forwardMostMove))
14156 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14157 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14161 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14162 whiteTimeRemaining : blackTimeRemaining);
14163 StartClockTimer(intendedTickLength);
14167 /* Stop both clocks */
14171 long lastTickLength;
14174 if (!StopClockTimer()) return;
14175 if (!appData.clockMode) return;
14179 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14180 if (WhiteOnMove(forwardMostMove)) {
14181 if(whiteNPS >= 0) lastTickLength = 0;
14182 whiteTimeRemaining -= lastTickLength;
14183 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14185 if(blackNPS >= 0) lastTickLength = 0;
14186 blackTimeRemaining -= lastTickLength;
14187 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14192 /* Start clock of player on move. Time may have been reset, so
14193 if clock is already running, stop and restart it. */
14197 (void) StopClockTimer(); /* in case it was running already */
14198 DisplayBothClocks();
14199 if (CheckFlags()) return;
14201 if (!appData.clockMode) return;
14202 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14204 GetTimeMark(&tickStartTM);
14205 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14206 whiteTimeRemaining : blackTimeRemaining);
14208 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14209 whiteNPS = blackNPS = -1;
14210 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14211 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14212 whiteNPS = first.nps;
14213 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14214 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14215 blackNPS = first.nps;
14216 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14217 whiteNPS = second.nps;
14218 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14219 blackNPS = second.nps;
14220 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14222 StartClockTimer(intendedTickLength);
14229 long second, minute, hour, day;
14231 static char buf[32];
14233 if (ms > 0 && ms <= 9900) {
14234 /* convert milliseconds to tenths, rounding up */
14235 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14237 sprintf(buf, " %03.1f ", tenths/10.0);
14241 /* convert milliseconds to seconds, rounding up */
14242 /* use floating point to avoid strangeness of integer division
14243 with negative dividends on many machines */
14244 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14251 day = second / (60 * 60 * 24);
14252 second = second % (60 * 60 * 24);
14253 hour = second / (60 * 60);
14254 second = second % (60 * 60);
14255 minute = second / 60;
14256 second = second % 60;
14259 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14260 sign, day, hour, minute, second);
14262 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14264 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14271 * This is necessary because some C libraries aren't ANSI C compliant yet.
14274 StrStr(string, match)
14275 char *string, *match;
14279 length = strlen(match);
14281 for (i = strlen(string) - length; i >= 0; i--, string++)
14282 if (!strncmp(match, string, length))
14289 StrCaseStr(string, match)
14290 char *string, *match;
14294 length = strlen(match);
14296 for (i = strlen(string) - length; i >= 0; i--, string++) {
14297 for (j = 0; j < length; j++) {
14298 if (ToLower(match[j]) != ToLower(string[j]))
14301 if (j == length) return string;
14315 c1 = ToLower(*s1++);
14316 c2 = ToLower(*s2++);
14317 if (c1 > c2) return 1;
14318 if (c1 < c2) return -1;
14319 if (c1 == NULLCHAR) return 0;
14328 return isupper(c) ? tolower(c) : c;
14336 return islower(c) ? toupper(c) : c;
14338 #endif /* !_amigados */
14346 if ((ret = (char *) malloc(strlen(s) + 1))) {
14353 StrSavePtr(s, savePtr)
14354 char *s, **savePtr;
14359 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14360 strcpy(*savePtr, s);
14372 clock = time((time_t *)NULL);
14373 tm = localtime(&clock);
14374 sprintf(buf, "%04d.%02d.%02d",
14375 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14376 return StrSave(buf);
14381 PositionToFEN(move, overrideCastling)
14383 char *overrideCastling;
14385 int i, j, fromX, fromY, toX, toY;
14392 whiteToPlay = (gameMode == EditPosition) ?
14393 !blackPlaysFirst : (move % 2 == 0);
14396 /* Piece placement data */
14397 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14399 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14400 if (boards[move][i][j] == EmptySquare) {
14402 } else { ChessSquare piece = boards[move][i][j];
14403 if (emptycount > 0) {
14404 if(emptycount<10) /* [HGM] can be >= 10 */
14405 *p++ = '0' + emptycount;
14406 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14409 if(PieceToChar(piece) == '+') {
14410 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14412 piece = (ChessSquare)(DEMOTED piece);
14414 *p++ = PieceToChar(piece);
14416 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14417 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14422 if (emptycount > 0) {
14423 if(emptycount<10) /* [HGM] can be >= 10 */
14424 *p++ = '0' + emptycount;
14425 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14432 /* [HGM] print Crazyhouse or Shogi holdings */
14433 if( gameInfo.holdingsWidth ) {
14434 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14436 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14437 piece = boards[move][i][BOARD_WIDTH-1];
14438 if( piece != EmptySquare )
14439 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14440 *p++ = PieceToChar(piece);
14442 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14443 piece = boards[move][BOARD_HEIGHT-i-1][0];
14444 if( piece != EmptySquare )
14445 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14446 *p++ = PieceToChar(piece);
14449 if( q == p ) *p++ = '-';
14455 *p++ = whiteToPlay ? 'w' : 'b';
14458 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14459 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14461 if(nrCastlingRights) {
14463 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14464 /* [HGM] write directly from rights */
14465 if(boards[move][CASTLING][2] != NoRights &&
14466 boards[move][CASTLING][0] != NoRights )
14467 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14468 if(boards[move][CASTLING][2] != NoRights &&
14469 boards[move][CASTLING][1] != NoRights )
14470 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14471 if(boards[move][CASTLING][5] != NoRights &&
14472 boards[move][CASTLING][3] != NoRights )
14473 *p++ = boards[move][CASTLING][3] + AAA;
14474 if(boards[move][CASTLING][5] != NoRights &&
14475 boards[move][CASTLING][4] != NoRights )
14476 *p++ = boards[move][CASTLING][4] + AAA;
14479 /* [HGM] write true castling rights */
14480 if( nrCastlingRights == 6 ) {
14481 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14482 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14483 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14484 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14485 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14486 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14487 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14488 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14491 if (q == p) *p++ = '-'; /* No castling rights */
14495 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14496 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14497 /* En passant target square */
14498 if (move > backwardMostMove) {
14499 fromX = moveList[move - 1][0] - AAA;
14500 fromY = moveList[move - 1][1] - ONE;
14501 toX = moveList[move - 1][2] - AAA;
14502 toY = moveList[move - 1][3] - ONE;
14503 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14504 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14505 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14507 /* 2-square pawn move just happened */
14509 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14513 } else if(move == backwardMostMove) {
14514 // [HGM] perhaps we should always do it like this, and forget the above?
14515 if((signed char)boards[move][EP_STATUS] >= 0) {
14516 *p++ = boards[move][EP_STATUS] + AAA;
14517 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14528 /* [HGM] find reversible plies */
14529 { int i = 0, j=move;
14531 if (appData.debugMode) { int k;
14532 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14533 for(k=backwardMostMove; k<=forwardMostMove; k++)
14534 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14538 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14539 if( j == backwardMostMove ) i += initialRulePlies;
14540 sprintf(p, "%d ", i);
14541 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14543 /* Fullmove number */
14544 sprintf(p, "%d", (move / 2) + 1);
14546 return StrSave(buf);
14550 ParseFEN(board, blackPlaysFirst, fen)
14552 int *blackPlaysFirst;
14562 /* [HGM] by default clear Crazyhouse holdings, if present */
14563 if(gameInfo.holdingsWidth) {
14564 for(i=0; i<BOARD_HEIGHT; i++) {
14565 board[i][0] = EmptySquare; /* black holdings */
14566 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14567 board[i][1] = (ChessSquare) 0; /* black counts */
14568 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14572 /* Piece placement data */
14573 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14576 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14577 if (*p == '/') p++;
14578 emptycount = gameInfo.boardWidth - j;
14579 while (emptycount--)
14580 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14582 #if(BOARD_FILES >= 10)
14583 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14584 p++; emptycount=10;
14585 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14586 while (emptycount--)
14587 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14589 } else if (isdigit(*p)) {
14590 emptycount = *p++ - '0';
14591 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14592 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14593 while (emptycount--)
14594 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14595 } else if (*p == '+' || isalpha(*p)) {
14596 if (j >= gameInfo.boardWidth) return FALSE;
14598 piece = CharToPiece(*++p);
14599 if(piece == EmptySquare) return FALSE; /* unknown piece */
14600 piece = (ChessSquare) (PROMOTED piece ); p++;
14601 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14602 } else piece = CharToPiece(*p++);
14604 if(piece==EmptySquare) return FALSE; /* unknown piece */
14605 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14606 piece = (ChessSquare) (PROMOTED piece);
14607 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14610 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14616 while (*p == '/' || *p == ' ') p++;
14618 /* [HGM] look for Crazyhouse holdings here */
14619 while(*p==' ') p++;
14620 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14622 if(*p == '-' ) *p++; /* empty holdings */ else {
14623 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14624 /* if we would allow FEN reading to set board size, we would */
14625 /* have to add holdings and shift the board read so far here */
14626 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14628 if((int) piece >= (int) BlackPawn ) {
14629 i = (int)piece - (int)BlackPawn;
14630 i = PieceToNumber((ChessSquare)i);
14631 if( i >= gameInfo.holdingsSize ) return FALSE;
14632 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14633 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14635 i = (int)piece - (int)WhitePawn;
14636 i = PieceToNumber((ChessSquare)i);
14637 if( i >= gameInfo.holdingsSize ) return FALSE;
14638 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14639 board[i][BOARD_WIDTH-2]++; /* black holdings */
14643 if(*p == ']') *p++;
14646 while(*p == ' ') p++;
14651 *blackPlaysFirst = FALSE;
14654 *blackPlaysFirst = TRUE;
14660 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14661 /* return the extra info in global variiables */
14663 /* set defaults in case FEN is incomplete */
14664 board[EP_STATUS] = EP_UNKNOWN;
14665 for(i=0; i<nrCastlingRights; i++ ) {
14666 board[CASTLING][i] =
14667 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14668 } /* assume possible unless obviously impossible */
14669 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14670 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14671 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14672 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14673 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14674 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14675 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14676 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14679 while(*p==' ') p++;
14680 if(nrCastlingRights) {
14681 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14682 /* castling indicator present, so default becomes no castlings */
14683 for(i=0; i<nrCastlingRights; i++ ) {
14684 board[CASTLING][i] = NoRights;
14687 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14688 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14689 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14690 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14691 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14693 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14694 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14695 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14697 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14698 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14699 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14700 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14701 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14702 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14705 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14706 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14707 board[CASTLING][2] = whiteKingFile;
14710 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14711 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14712 board[CASTLING][2] = whiteKingFile;
14715 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14716 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14717 board[CASTLING][5] = blackKingFile;
14720 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14721 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14722 board[CASTLING][5] = blackKingFile;
14725 default: /* FRC castlings */
14726 if(c >= 'a') { /* black rights */
14727 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14728 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14729 if(i == BOARD_RGHT) break;
14730 board[CASTLING][5] = i;
14732 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14733 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14735 board[CASTLING][3] = c;
14737 board[CASTLING][4] = c;
14738 } else { /* white rights */
14739 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14740 if(board[0][i] == WhiteKing) break;
14741 if(i == BOARD_RGHT) break;
14742 board[CASTLING][2] = i;
14743 c -= AAA - 'a' + 'A';
14744 if(board[0][c] >= WhiteKing) break;
14746 board[CASTLING][0] = c;
14748 board[CASTLING][1] = c;
14752 for(i=0; i<nrCastlingRights; i++)
14753 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14754 if (appData.debugMode) {
14755 fprintf(debugFP, "FEN castling rights:");
14756 for(i=0; i<nrCastlingRights; i++)
14757 fprintf(debugFP, " %d", board[CASTLING][i]);
14758 fprintf(debugFP, "\n");
14761 while(*p==' ') p++;
14764 /* read e.p. field in games that know e.p. capture */
14765 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14766 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14768 p++; board[EP_STATUS] = EP_NONE;
14770 char c = *p++ - AAA;
14772 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14773 if(*p >= '0' && *p <='9') *p++;
14774 board[EP_STATUS] = c;
14779 if(sscanf(p, "%d", &i) == 1) {
14780 FENrulePlies = i; /* 50-move ply counter */
14781 /* (The move number is still ignored) */
14788 EditPositionPasteFEN(char *fen)
14791 Board initial_position;
14793 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14794 DisplayError(_("Bad FEN position in clipboard"), 0);
14797 int savedBlackPlaysFirst = blackPlaysFirst;
14798 EditPositionEvent();
14799 blackPlaysFirst = savedBlackPlaysFirst;
14800 CopyBoard(boards[0], initial_position);
14801 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14802 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14803 DisplayBothClocks();
14804 DrawPosition(FALSE, boards[currentMove]);
14809 static char cseq[12] = "\\ ";
14811 Boolean set_cont_sequence(char *new_seq)
14816 // handle bad attempts to set the sequence
14818 return 0; // acceptable error - no debug
14820 len = strlen(new_seq);
14821 ret = (len > 0) && (len < sizeof(cseq));
14823 strcpy(cseq, new_seq);
14824 else if (appData.debugMode)
14825 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14830 reformat a source message so words don't cross the width boundary. internal
14831 newlines are not removed. returns the wrapped size (no null character unless
14832 included in source message). If dest is NULL, only calculate the size required
14833 for the dest buffer. lp argument indicats line position upon entry, and it's
14834 passed back upon exit.
14836 int wrap(char *dest, char *src, int count, int width, int *lp)
14838 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14840 cseq_len = strlen(cseq);
14841 old_line = line = *lp;
14842 ansi = len = clen = 0;
14844 for (i=0; i < count; i++)
14846 if (src[i] == '\033')
14849 // if we hit the width, back up
14850 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14852 // store i & len in case the word is too long
14853 old_i = i, old_len = len;
14855 // find the end of the last word
14856 while (i && src[i] != ' ' && src[i] != '\n')
14862 // word too long? restore i & len before splitting it
14863 if ((old_i-i+clen) >= width)
14870 if (i && src[i-1] == ' ')
14873 if (src[i] != ' ' && src[i] != '\n')
14880 // now append the newline and continuation sequence
14885 strncpy(dest+len, cseq, cseq_len);
14893 dest[len] = src[i];
14897 if (src[i] == '\n')
14902 if (dest && appData.debugMode)
14904 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14905 count, width, line, len, *lp);
14906 show_bytes(debugFP, src, count);
14907 fprintf(debugFP, "\ndest: ");
14908 show_bytes(debugFP, dest, len);
14909 fprintf(debugFP, "\n");
14911 *lp = dest ? line : old_line;
14916 // [HGM] vari: routines for shelving variations
14919 PushTail(int firstMove, int lastMove)
14921 int i, j, nrMoves = lastMove - firstMove;
14923 if(appData.icsActive) { // only in local mode
14924 forwardMostMove = currentMove; // mimic old ICS behavior
14927 if(storedGames >= MAX_VARIATIONS-1) return;
14929 // push current tail of game on stack
14930 savedResult[storedGames] = gameInfo.result;
14931 savedDetails[storedGames] = gameInfo.resultDetails;
14932 gameInfo.resultDetails = NULL;
14933 savedFirst[storedGames] = firstMove;
14934 savedLast [storedGames] = lastMove;
14935 savedFramePtr[storedGames] = framePtr;
14936 framePtr -= nrMoves; // reserve space for the boards
14937 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14938 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14939 for(j=0; j<MOVE_LEN; j++)
14940 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14941 for(j=0; j<2*MOVE_LEN; j++)
14942 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14943 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14944 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14945 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14946 pvInfoList[firstMove+i-1].depth = 0;
14947 commentList[framePtr+i] = commentList[firstMove+i];
14948 commentList[firstMove+i] = NULL;
14952 forwardMostMove = currentMove; // truncte game so we can start variation
14953 if(storedGames == 1) GreyRevert(FALSE);
14957 PopTail(Boolean annotate)
14960 char buf[8000], moveBuf[20];
14962 if(appData.icsActive) return FALSE; // only in local mode
14963 if(!storedGames) return FALSE; // sanity
14966 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14967 nrMoves = savedLast[storedGames] - currentMove;
14970 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14971 else strcpy(buf, "(");
14972 for(i=currentMove; i<forwardMostMove; i++) {
14974 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14975 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14976 strcat(buf, moveBuf);
14977 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14981 for(i=1; i<nrMoves; i++) { // copy last variation back
14982 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14983 for(j=0; j<MOVE_LEN; j++)
14984 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14985 for(j=0; j<2*MOVE_LEN; j++)
14986 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14987 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14988 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14989 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14990 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14991 commentList[currentMove+i] = commentList[framePtr+i];
14992 commentList[framePtr+i] = NULL;
14994 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14995 framePtr = savedFramePtr[storedGames];
14996 gameInfo.result = savedResult[storedGames];
14997 if(gameInfo.resultDetails != NULL) {
14998 free(gameInfo.resultDetails);
15000 gameInfo.resultDetails = savedDetails[storedGames];
15001 forwardMostMove = currentMove + nrMoves;
15002 if(storedGames == 0) GreyRevert(TRUE);
15008 { // remove all shelved variations
15010 for(i=0; i<storedGames; i++) {
15011 if(savedDetails[i])
15012 free(savedDetails[i]);
15013 savedDetails[i] = NULL;
15015 for(i=framePtr; i<MAX_MOVES; i++) {
15016 if(commentList[i]) free(commentList[i]);
15017 commentList[i] = NULL;
15019 framePtr = MAX_MOVES-1;