2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
140 /* A point in time */
142 long sec; /* Assuming this is >= 32 bits */
143 int ms; /* Assuming this is >= 16 bits */
146 int establish P((void));
147 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
148 char *buf, int count, int error));
149 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
150 char *buf, int count, int error));
151 void ics_printf P((char *format, ...));
152 void SendToICS P((char *s));
153 void SendToICSDelayed P((char *s, long msdelay));
154 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY,
156 void HandleMachineMove P((char *message, ChessProgramState *cps));
157 int AutoPlayOneMove P((void));
158 int LoadGameOneMove P((ChessMove readAhead));
159 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
160 int LoadPositionFromFile P((char *filename, int n, char *title));
161 int SavePositionToFile P((char *filename));
162 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 void ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 void GetTimeMark P((TimeMark *));
208 long SubtractTimeMarks P((TimeMark *, TimeMark *));
209 int CheckFlags P((void));
210 long NextTickLength P((long));
211 void CheckTimeControl P((void));
212 void show_bytes P((FILE *, char *, int));
213 int string_to_rating P((char *str));
214 void ParseFeatures P((char* args, ChessProgramState *cps));
215 void InitBackEnd3 P((void));
216 void FeatureDone P((ChessProgramState* cps, int val));
217 void InitChessProgram P((ChessProgramState *cps, int setup));
218 void OutputKibitz(int window, char *text);
219 int PerpetualChase(int first, int last);
220 int EngineOutputIsUp();
221 void InitDrawingSizes(int x, int y);
224 extern void ConsoleCreate();
227 ChessProgramState *WhitePlayer();
228 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
229 int VerifyDisplayMode P(());
231 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
232 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
233 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
234 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
235 void ics_update_width P((int new_width));
236 extern char installDir[MSG_SIZ];
238 extern int tinyLayout, smallLayout;
239 ChessProgramStats programStats;
240 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
242 static int exiting = 0; /* [HGM] moved to top */
243 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
244 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
245 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
247 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
248 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
249 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
250 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
251 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
252 int opponentKibitzes;
253 int lastSavedGame; /* [HGM] save: ID of game */
254 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
255 extern int chatCount;
257 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
259 /* States for ics_getting_history */
261 #define H_REQUESTED 1
262 #define H_GOT_REQ_HEADER 2
263 #define H_GOT_UNREQ_HEADER 3
264 #define H_GETTING_MOVES 4
265 #define H_GOT_UNWANTED_HEADER 5
267 /* whosays values for GameEnds */
276 /* Maximum number of games in a cmail message */
277 #define CMAIL_MAX_GAMES 20
279 /* Different types of move when calling RegisterMove */
281 #define CMAIL_RESIGN 1
283 #define CMAIL_ACCEPT 3
285 /* Different types of result to remember for each game */
286 #define CMAIL_NOT_RESULT 0
287 #define CMAIL_OLD_RESULT 1
288 #define CMAIL_NEW_RESULT 2
290 /* Telnet protocol constants */
301 static char * safeStrCpy( char * dst, const char * src, size_t count )
303 assert( dst != NULL );
304 assert( src != NULL );
307 strncpy( dst, src, count );
308 dst[ count-1 ] = '\0';
312 /* Some compiler can't cast u64 to double
313 * This function do the job for us:
315 * We use the highest bit for cast, this only
316 * works if the highest bit is not
317 * in use (This should not happen)
319 * We used this for all compiler
322 u64ToDouble(u64 value)
325 u64 tmp = value & u64Const(0x7fffffffffffffff);
326 r = (double)(s64)tmp;
327 if (value & u64Const(0x8000000000000000))
328 r += 9.2233720368547758080e18; /* 2^63 */
332 /* Fake up flags for now, as we aren't keeping track of castling
333 availability yet. [HGM] Change of logic: the flag now only
334 indicates the type of castlings allowed by the rule of the game.
335 The actual rights themselves are maintained in the array
336 castlingRights, as part of the game history, and are not probed
342 int flags = F_ALL_CASTLE_OK;
343 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
344 switch (gameInfo.variant) {
346 flags &= ~F_ALL_CASTLE_OK;
347 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
348 flags |= F_IGNORE_CHECK;
350 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
353 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
355 case VariantKriegspiel:
356 flags |= F_KRIEGSPIEL_CAPTURE;
358 case VariantCapaRandom:
359 case VariantFischeRandom:
360 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
361 case VariantNoCastle:
362 case VariantShatranj:
365 flags &= ~F_ALL_CASTLE_OK;
373 FILE *gameFileFP, *debugFP;
376 [AS] Note: sometimes, the sscanf() function is used to parse the input
377 into a fixed-size buffer. Because of this, we must be prepared to
378 receive strings as long as the size of the input buffer, which is currently
379 set to 4K for Windows and 8K for the rest.
380 So, we must either allocate sufficiently large buffers here, or
381 reduce the size of the input buffer in the input reading part.
384 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
385 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
386 char thinkOutput1[MSG_SIZ*10];
388 ChessProgramState first, second;
390 /* premove variables */
393 int premoveFromX = 0;
394 int premoveFromY = 0;
395 int premovePromoChar = 0;
397 Boolean alarmSounded;
398 /* end premove variables */
400 char *ics_prefix = "$";
401 int ics_type = ICS_GENERIC;
403 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
404 int pauseExamForwardMostMove = 0;
405 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
406 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
407 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
408 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
409 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
410 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
411 int whiteFlag = FALSE, blackFlag = FALSE;
412 int userOfferedDraw = FALSE;
413 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
414 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
415 int cmailMoveType[CMAIL_MAX_GAMES];
416 long ics_clock_paused = 0;
417 ProcRef icsPR = NoProc, cmailPR = NoProc;
418 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
419 GameMode gameMode = BeginningOfGame;
420 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
421 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
422 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
423 int hiddenThinkOutputState = 0; /* [AS] */
424 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
425 int adjudicateLossPlies = 6;
426 char white_holding[64], black_holding[64];
427 TimeMark lastNodeCountTime;
428 long lastNodeCount=0;
429 int have_sent_ICS_logon = 0;
431 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement;
432 long timeControl_2; /* [AS] Allow separate time controls */
433 char *fullTimeControlString = NULL; /* [HGM] secondary TC: merge of MPS, TC and inc */
434 long timeRemaining[2][MAX_MOVES];
436 TimeMark programStartTime;
437 char ics_handle[MSG_SIZ];
438 int have_set_title = 0;
440 /* animateTraining preserves the state of appData.animate
441 * when Training mode is activated. This allows the
442 * response to be animated when appData.animate == TRUE and
443 * appData.animateDragging == TRUE.
445 Boolean animateTraining;
451 Board boards[MAX_MOVES];
452 /* [HGM] Following 7 needed for accurate legality tests: */
453 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
454 signed char initialRights[BOARD_FILES];
455 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
456 int initialRulePlies, FENrulePlies;
457 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
460 int mute; // mute all sounds
462 // [HGM] vari: next 12 to save and restore variations
463 #define MAX_VARIATIONS 10
464 int framePtr = MAX_MOVES-1; // points to free stack entry
466 int savedFirst[MAX_VARIATIONS];
467 int savedLast[MAX_VARIATIONS];
468 int savedFramePtr[MAX_VARIATIONS];
469 char *savedDetails[MAX_VARIATIONS];
470 ChessMove savedResult[MAX_VARIATIONS];
472 void PushTail P((int firstMove, int lastMove));
473 Boolean PopTail P((Boolean annotate));
474 void CleanupTail P((void));
476 ChessSquare FIDEArray[2][BOARD_FILES] = {
477 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
478 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
479 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
480 BlackKing, BlackBishop, BlackKnight, BlackRook }
483 ChessSquare twoKingsArray[2][BOARD_FILES] = {
484 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
485 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
486 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
487 BlackKing, BlackKing, BlackKnight, BlackRook }
490 ChessSquare KnightmateArray[2][BOARD_FILES] = {
491 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
492 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
493 { BlackRook, BlackMan, BlackBishop, BlackQueen,
494 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
497 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
498 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
499 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
500 { BlackLance, BlackAlfil, BlackMarshall, BlackAngel,
501 BlackKing, BlackMarshall, BlackAlfil, BlackLance }
504 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
505 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
506 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
507 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
508 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
511 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
512 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
513 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackMan, BlackFerz,
515 BlackKing, BlackMan, BlackKnight, BlackRook }
519 #if (BOARD_FILES>=10)
520 ChessSquare ShogiArray[2][BOARD_FILES] = {
521 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
522 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
523 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
524 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
527 ChessSquare XiangqiArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
529 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
530 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
531 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
534 ChessSquare CapablancaArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
541 ChessSquare GreatArray[2][BOARD_FILES] = {
542 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
543 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
544 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
545 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
548 ChessSquare JanusArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
550 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
551 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
552 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
556 ChessSquare GothicArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
558 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
560 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
563 #define GothicArray CapablancaArray
567 ChessSquare FalconArray[2][BOARD_FILES] = {
568 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
569 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
570 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
571 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
574 #define FalconArray CapablancaArray
577 #else // !(BOARD_FILES>=10)
578 #define XiangqiPosition FIDEArray
579 #define CapablancaArray FIDEArray
580 #define GothicArray FIDEArray
581 #define GreatArray FIDEArray
582 #endif // !(BOARD_FILES>=10)
584 #if (BOARD_FILES>=12)
585 ChessSquare CourierArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
589 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
591 #else // !(BOARD_FILES>=12)
592 #define CourierArray CapablancaArray
593 #endif // !(BOARD_FILES>=12)
596 Board initialPosition;
599 /* Convert str to a rating. Checks for special cases of "----",
601 "++++", etc. Also strips ()'s */
603 string_to_rating(str)
606 while(*str && !isdigit(*str)) ++str;
608 return 0; /* One of the special "no rating" cases */
616 /* Init programStats */
617 programStats.movelist[0] = 0;
618 programStats.depth = 0;
619 programStats.nr_moves = 0;
620 programStats.moves_left = 0;
621 programStats.nodes = 0;
622 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
623 programStats.score = 0;
624 programStats.got_only_move = 0;
625 programStats.got_fail = 0;
626 programStats.line_is_book = 0;
632 int matched, min, sec;
634 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
636 GetTimeMark(&programStartTime);
637 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
640 programStats.ok_to_send = 1;
641 programStats.seen_stat = 0;
644 * Initialize game list
650 * Internet chess server status
652 if (appData.icsActive) {
653 appData.matchMode = FALSE;
654 appData.matchGames = 0;
656 appData.noChessProgram = !appData.zippyPlay;
658 appData.zippyPlay = FALSE;
659 appData.zippyTalk = FALSE;
660 appData.noChessProgram = TRUE;
662 if (*appData.icsHelper != NULLCHAR) {
663 appData.useTelnet = TRUE;
664 appData.telnetProgram = appData.icsHelper;
667 appData.zippyTalk = appData.zippyPlay = FALSE;
670 /* [AS] Initialize pv info list [HGM] and game state */
674 for( i=0; i<=framePtr; i++ ) {
675 pvInfoList[i].depth = -1;
676 boards[i][EP_STATUS] = EP_NONE;
677 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
682 * Parse timeControl resource
684 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
685 appData.movesPerSession)) {
687 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
688 DisplayFatalError(buf, 0, 2);
692 * Parse searchTime resource
694 if (*appData.searchTime != NULLCHAR) {
695 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
697 searchTime = min * 60;
698 } else if (matched == 2) {
699 searchTime = min * 60 + sec;
702 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
703 DisplayFatalError(buf, 0, 2);
707 /* [AS] Adjudication threshold */
708 adjudicateLossThreshold = appData.adjudicateLossThreshold;
710 first.which = "first";
711 second.which = "second";
712 first.maybeThinking = second.maybeThinking = FALSE;
713 first.pr = second.pr = NoProc;
714 first.isr = second.isr = NULL;
715 first.sendTime = second.sendTime = 2;
716 first.sendDrawOffers = 1;
717 if (appData.firstPlaysBlack) {
718 first.twoMachinesColor = "black\n";
719 second.twoMachinesColor = "white\n";
721 first.twoMachinesColor = "white\n";
722 second.twoMachinesColor = "black\n";
724 first.program = appData.firstChessProgram;
725 second.program = appData.secondChessProgram;
726 first.host = appData.firstHost;
727 second.host = appData.secondHost;
728 first.dir = appData.firstDirectory;
729 second.dir = appData.secondDirectory;
730 first.other = &second;
731 second.other = &first;
732 first.initString = appData.initString;
733 second.initString = appData.secondInitString;
734 first.computerString = appData.firstComputerString;
735 second.computerString = appData.secondComputerString;
736 first.useSigint = second.useSigint = TRUE;
737 first.useSigterm = second.useSigterm = TRUE;
738 first.reuse = appData.reuseFirst;
739 second.reuse = appData.reuseSecond;
740 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
741 second.nps = appData.secondNPS;
742 first.useSetboard = second.useSetboard = FALSE;
743 first.useSAN = second.useSAN = FALSE;
744 first.usePing = second.usePing = FALSE;
745 first.lastPing = second.lastPing = 0;
746 first.lastPong = second.lastPong = 0;
747 first.usePlayother = second.usePlayother = FALSE;
748 first.useColors = second.useColors = TRUE;
749 first.useUsermove = second.useUsermove = FALSE;
750 first.sendICS = second.sendICS = FALSE;
751 first.sendName = second.sendName = appData.icsActive;
752 first.sdKludge = second.sdKludge = FALSE;
753 first.stKludge = second.stKludge = FALSE;
754 TidyProgramName(first.program, first.host, first.tidy);
755 TidyProgramName(second.program, second.host, second.tidy);
756 first.matchWins = second.matchWins = 0;
757 strcpy(first.variants, appData.variant);
758 strcpy(second.variants, appData.variant);
759 first.analysisSupport = second.analysisSupport = 2; /* detect */
760 first.analyzing = second.analyzing = FALSE;
761 first.initDone = second.initDone = FALSE;
763 /* New features added by Tord: */
764 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
765 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
766 /* End of new features added by Tord. */
767 first.fenOverride = appData.fenOverride1;
768 second.fenOverride = appData.fenOverride2;
770 /* [HGM] time odds: set factor for each machine */
771 first.timeOdds = appData.firstTimeOdds;
772 second.timeOdds = appData.secondTimeOdds;
774 if(appData.timeOddsMode) {
775 norm = first.timeOdds;
776 if(norm > second.timeOdds) norm = second.timeOdds;
778 first.timeOdds /= norm;
779 second.timeOdds /= norm;
782 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
783 first.accumulateTC = appData.firstAccumulateTC;
784 second.accumulateTC = appData.secondAccumulateTC;
785 first.maxNrOfSessions = second.maxNrOfSessions = 1;
788 first.debug = second.debug = FALSE;
789 first.supportsNPS = second.supportsNPS = UNKNOWN;
792 first.optionSettings = appData.firstOptions;
793 second.optionSettings = appData.secondOptions;
795 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
796 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
797 first.isUCI = appData.firstIsUCI; /* [AS] */
798 second.isUCI = appData.secondIsUCI; /* [AS] */
799 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
800 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
802 if (appData.firstProtocolVersion > PROTOVER ||
803 appData.firstProtocolVersion < 1) {
805 sprintf(buf, _("protocol version %d not supported"),
806 appData.firstProtocolVersion);
807 DisplayFatalError(buf, 0, 2);
809 first.protocolVersion = appData.firstProtocolVersion;
812 if (appData.secondProtocolVersion > PROTOVER ||
813 appData.secondProtocolVersion < 1) {
815 sprintf(buf, _("protocol version %d not supported"),
816 appData.secondProtocolVersion);
817 DisplayFatalError(buf, 0, 2);
819 second.protocolVersion = appData.secondProtocolVersion;
822 if (appData.icsActive) {
823 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
824 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
825 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
826 appData.clockMode = FALSE;
827 first.sendTime = second.sendTime = 0;
831 /* Override some settings from environment variables, for backward
832 compatibility. Unfortunately it's not feasible to have the env
833 vars just set defaults, at least in xboard. Ugh.
835 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
840 if (appData.noChessProgram) {
841 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
842 sprintf(programVersion, "%s", PACKAGE_STRING);
844 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
845 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
846 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
849 if (!appData.icsActive) {
851 /* Check for variants that are supported only in ICS mode,
852 or not at all. Some that are accepted here nevertheless
853 have bugs; see comments below.
855 VariantClass variant = StringToVariant(appData.variant);
857 case VariantBughouse: /* need four players and two boards */
858 case VariantKriegspiel: /* need to hide pieces and move details */
859 /* case VariantFischeRandom: (Fabien: moved below) */
860 sprintf(buf, _("Variant %s supported only in ICS mode"), appData.variant);
861 DisplayFatalError(buf, 0, 2);
865 case VariantLoadable:
875 sprintf(buf, _("Unknown variant name %s"), appData.variant);
876 DisplayFatalError(buf, 0, 2);
879 case VariantXiangqi: /* [HGM] repetition rules not implemented */
880 case VariantFairy: /* [HGM] TestLegality definitely off! */
881 case VariantGothic: /* [HGM] should work */
882 case VariantCapablanca: /* [HGM] should work */
883 case VariantCourier: /* [HGM] initial forced moves not implemented */
884 case VariantShogi: /* [HGM] drops not tested for legality */
885 case VariantKnightmate: /* [HGM] should work */
886 case VariantCylinder: /* [HGM] untested */
887 case VariantFalcon: /* [HGM] untested */
888 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
889 offboard interposition not understood */
890 case VariantNormal: /* definitely works! */
891 case VariantWildCastle: /* pieces not automatically shuffled */
892 case VariantNoCastle: /* pieces not automatically shuffled */
893 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
894 case VariantLosers: /* should work except for win condition,
895 and doesn't know captures are mandatory */
896 case VariantSuicide: /* should work except for win condition,
897 and doesn't know captures are mandatory */
898 case VariantGiveaway: /* should work except for win condition,
899 and doesn't know captures are mandatory */
900 case VariantTwoKings: /* should work */
901 case VariantAtomic: /* should work except for win condition */
902 case Variant3Check: /* should work except for win condition */
903 case VariantShatranj: /* should work except for all win conditions */
904 case VariantMakruk: /* should work except for daw countdown */
905 case VariantBerolina: /* might work if TestLegality is off */
906 case VariantCapaRandom: /* should work */
907 case VariantJanus: /* should work */
908 case VariantSuper: /* experimental */
909 case VariantGreat: /* experimental, requires legality testing to be off */
914 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
915 InitEngineUCI( installDir, &second );
918 int NextIntegerFromString( char ** str, long * value )
923 while( *s == ' ' || *s == '\t' ) {
929 if( *s >= '0' && *s <= '9' ) {
930 while( *s >= '0' && *s <= '9' ) {
931 *value = *value * 10 + (*s - '0');
943 int NextTimeControlFromString( char ** str, long * value )
946 int result = NextIntegerFromString( str, &temp );
949 *value = temp * 60; /* Minutes */
952 result = NextIntegerFromString( str, &temp );
953 *value += temp; /* Seconds */
960 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc)
961 { /* [HGM] routine added to read '+moves/time' for secondary time control */
962 int result = -1; long temp, temp2;
964 if(**str != '+') return -1; // old params remain in force!
966 if( NextTimeControlFromString( str, &temp ) ) return -1;
969 /* time only: incremental or sudden-death time control */
970 if(**str == '+') { /* increment follows; read it */
972 if(result = NextIntegerFromString( str, &temp2)) return -1;
975 *moves = 0; *tc = temp * 1000;
977 } else if(temp % 60 != 0) return -1; /* moves was given as min:sec */
979 (*str)++; /* classical time control */
980 result = NextTimeControlFromString( str, &temp2);
989 int GetTimeQuota(int movenr)
990 { /* [HGM] get time to add from the multi-session time-control string */
991 int moves=1; /* kludge to force reading of first session */
992 long time, increment;
993 char *s = fullTimeControlString;
995 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", fullTimeControlString);
997 if(moves) NextSessionFromString(&s, &moves, &time, &increment);
998 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
999 if(movenr == -1) return time; /* last move before new session */
1000 if(!moves) return increment; /* current session is incremental */
1001 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1002 } while(movenr >= -1); /* try again for next session */
1004 return 0; // no new time quota on this move
1008 ParseTimeControl(tc, ti, mps)
1017 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1020 sprintf(buf, "+%d/%s+%d", mps, tc, ti);
1021 else sprintf(buf, "+%s+%d", tc, ti);
1024 sprintf(buf, "+%d/%s", mps, tc);
1025 else sprintf(buf, "+%s", tc);
1027 fullTimeControlString = StrSave(buf);
1029 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1034 /* Parse second time control */
1037 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1045 timeControl_2 = tc2 * 1000;
1055 timeControl = tc1 * 1000;
1058 timeIncrement = ti * 1000; /* convert to ms */
1059 movesPerSession = 0;
1062 movesPerSession = mps;
1070 if (appData.debugMode) {
1071 fprintf(debugFP, "%s\n", programVersion);
1074 set_cont_sequence(appData.wrapContSeq);
1075 if (appData.matchGames > 0) {
1076 appData.matchMode = TRUE;
1077 } else if (appData.matchMode) {
1078 appData.matchGames = 1;
1080 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1081 appData.matchGames = appData.sameColorGames;
1082 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1083 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1084 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1087 if (appData.noChessProgram || first.protocolVersion == 1) {
1090 /* kludge: allow timeout for initial "feature" commands */
1092 DisplayMessage("", _("Starting chess program"));
1093 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1098 InitBackEnd3 P((void))
1100 GameMode initialMode;
1104 InitChessProgram(&first, startedFromSetupPosition);
1107 if (appData.icsActive) {
1109 /* [DM] Make a console window if needed [HGM] merged ifs */
1114 if (*appData.icsCommPort != NULLCHAR) {
1115 sprintf(buf, _("Could not open comm port %s"),
1116 appData.icsCommPort);
1118 snprintf(buf, sizeof(buf), _("Could not connect to host %s, port %s"),
1119 appData.icsHost, appData.icsPort);
1121 DisplayFatalError(buf, err, 1);
1126 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1128 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1129 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1130 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1131 } else if (appData.noChessProgram) {
1137 if (*appData.cmailGameName != NULLCHAR) {
1139 OpenLoopback(&cmailPR);
1141 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1145 DisplayMessage("", "");
1146 if (StrCaseCmp(appData.initialMode, "") == 0) {
1147 initialMode = BeginningOfGame;
1148 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1149 initialMode = TwoMachinesPlay;
1150 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1151 initialMode = AnalyzeFile;
1152 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1153 initialMode = AnalyzeMode;
1154 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1155 initialMode = MachinePlaysWhite;
1156 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1157 initialMode = MachinePlaysBlack;
1158 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1159 initialMode = EditGame;
1160 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1161 initialMode = EditPosition;
1162 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1163 initialMode = Training;
1165 sprintf(buf, _("Unknown initialMode %s"), appData.initialMode);
1166 DisplayFatalError(buf, 0, 2);
1170 if (appData.matchMode) {
1171 /* Set up machine vs. machine match */
1172 if (appData.noChessProgram) {
1173 DisplayFatalError(_("Can't have a match with no chess programs"),
1179 if (*appData.loadGameFile != NULLCHAR) {
1180 int index = appData.loadGameIndex; // [HGM] autoinc
1181 if(index<0) lastIndex = index = 1;
1182 if (!LoadGameFromFile(appData.loadGameFile,
1184 appData.loadGameFile, FALSE)) {
1185 DisplayFatalError(_("Bad game file"), 0, 1);
1188 } else if (*appData.loadPositionFile != NULLCHAR) {
1189 int index = appData.loadPositionIndex; // [HGM] autoinc
1190 if(index<0) lastIndex = index = 1;
1191 if (!LoadPositionFromFile(appData.loadPositionFile,
1193 appData.loadPositionFile)) {
1194 DisplayFatalError(_("Bad position file"), 0, 1);
1199 } else if (*appData.cmailGameName != NULLCHAR) {
1200 /* Set up cmail mode */
1201 ReloadCmailMsgEvent(TRUE);
1203 /* Set up other modes */
1204 if (initialMode == AnalyzeFile) {
1205 if (*appData.loadGameFile == NULLCHAR) {
1206 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1210 if (*appData.loadGameFile != NULLCHAR) {
1211 (void) LoadGameFromFile(appData.loadGameFile,
1212 appData.loadGameIndex,
1213 appData.loadGameFile, TRUE);
1214 } else if (*appData.loadPositionFile != NULLCHAR) {
1215 (void) LoadPositionFromFile(appData.loadPositionFile,
1216 appData.loadPositionIndex,
1217 appData.loadPositionFile);
1218 /* [HGM] try to make self-starting even after FEN load */
1219 /* to allow automatic setup of fairy variants with wtm */
1220 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1221 gameMode = BeginningOfGame;
1222 setboardSpoiledMachineBlack = 1;
1224 /* [HGM] loadPos: make that every new game uses the setup */
1225 /* from file as long as we do not switch variant */
1226 if(!blackPlaysFirst) {
1227 startedFromPositionFile = TRUE;
1228 CopyBoard(filePosition, boards[0]);
1231 if (initialMode == AnalyzeMode) {
1232 if (appData.noChessProgram) {
1233 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1236 if (appData.icsActive) {
1237 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1241 } else if (initialMode == AnalyzeFile) {
1242 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1243 ShowThinkingEvent();
1245 AnalysisPeriodicEvent(1);
1246 } else if (initialMode == MachinePlaysWhite) {
1247 if (appData.noChessProgram) {
1248 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1252 if (appData.icsActive) {
1253 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1257 MachineWhiteEvent();
1258 } else if (initialMode == MachinePlaysBlack) {
1259 if (appData.noChessProgram) {
1260 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1264 if (appData.icsActive) {
1265 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1269 MachineBlackEvent();
1270 } else if (initialMode == TwoMachinesPlay) {
1271 if (appData.noChessProgram) {
1272 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1276 if (appData.icsActive) {
1277 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1282 } else if (initialMode == EditGame) {
1284 } else if (initialMode == EditPosition) {
1285 EditPositionEvent();
1286 } else if (initialMode == Training) {
1287 if (*appData.loadGameFile == NULLCHAR) {
1288 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1297 * Establish will establish a contact to a remote host.port.
1298 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1299 * used to talk to the host.
1300 * Returns 0 if okay, error code if not.
1307 if (*appData.icsCommPort != NULLCHAR) {
1308 /* Talk to the host through a serial comm port */
1309 return OpenCommPort(appData.icsCommPort, &icsPR);
1311 } else if (*appData.gateway != NULLCHAR) {
1312 if (*appData.remoteShell == NULLCHAR) {
1313 /* Use the rcmd protocol to run telnet program on a gateway host */
1314 snprintf(buf, sizeof(buf), "%s %s %s",
1315 appData.telnetProgram, appData.icsHost, appData.icsPort);
1316 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1319 /* Use the rsh program to run telnet program on a gateway host */
1320 if (*appData.remoteUser == NULLCHAR) {
1321 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1322 appData.gateway, appData.telnetProgram,
1323 appData.icsHost, appData.icsPort);
1325 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1326 appData.remoteShell, appData.gateway,
1327 appData.remoteUser, appData.telnetProgram,
1328 appData.icsHost, appData.icsPort);
1330 return StartChildProcess(buf, "", &icsPR);
1333 } else if (appData.useTelnet) {
1334 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1337 /* TCP socket interface differs somewhat between
1338 Unix and NT; handle details in the front end.
1340 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1345 show_bytes(fp, buf, count)
1351 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1352 fprintf(fp, "\\%03o", *buf & 0xff);
1361 /* Returns an errno value */
1363 OutputMaybeTelnet(pr, message, count, outError)
1369 char buf[8192], *p, *q, *buflim;
1370 int left, newcount, outcount;
1372 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1373 *appData.gateway != NULLCHAR) {
1374 if (appData.debugMode) {
1375 fprintf(debugFP, ">ICS: ");
1376 show_bytes(debugFP, message, count);
1377 fprintf(debugFP, "\n");
1379 return OutputToProcess(pr, message, count, outError);
1382 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1389 if (appData.debugMode) {
1390 fprintf(debugFP, ">ICS: ");
1391 show_bytes(debugFP, buf, newcount);
1392 fprintf(debugFP, "\n");
1394 outcount = OutputToProcess(pr, buf, newcount, outError);
1395 if (outcount < newcount) return -1; /* to be sure */
1402 } else if (((unsigned char) *p) == TN_IAC) {
1403 *q++ = (char) TN_IAC;
1410 if (appData.debugMode) {
1411 fprintf(debugFP, ">ICS: ");
1412 show_bytes(debugFP, buf, newcount);
1413 fprintf(debugFP, "\n");
1415 outcount = OutputToProcess(pr, buf, newcount, outError);
1416 if (outcount < newcount) return -1; /* to be sure */
1421 read_from_player(isr, closure, message, count, error)
1428 int outError, outCount;
1429 static int gotEof = 0;
1431 /* Pass data read from player on to ICS */
1434 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1435 if (outCount < count) {
1436 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1438 } else if (count < 0) {
1439 RemoveInputSource(isr);
1440 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1441 } else if (gotEof++ > 0) {
1442 RemoveInputSource(isr);
1443 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1449 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1450 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1451 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1452 SendToICS("date\n");
1453 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1456 /* added routine for printf style output to ics */
1457 void ics_printf(char *format, ...)
1459 char buffer[MSG_SIZ];
1462 va_start(args, format);
1463 vsnprintf(buffer, sizeof(buffer), format, args);
1464 buffer[sizeof(buffer)-1] = '\0';
1473 int count, outCount, outError;
1475 if (icsPR == NULL) return;
1478 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1479 if (outCount < count) {
1480 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1484 /* This is used for sending logon scripts to the ICS. Sending
1485 without a delay causes problems when using timestamp on ICC
1486 (at least on my machine). */
1488 SendToICSDelayed(s,msdelay)
1492 int count, outCount, outError;
1494 if (icsPR == NULL) return;
1497 if (appData.debugMode) {
1498 fprintf(debugFP, ">ICS: ");
1499 show_bytes(debugFP, s, count);
1500 fprintf(debugFP, "\n");
1502 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1504 if (outCount < count) {
1505 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1510 /* Remove all highlighting escape sequences in s
1511 Also deletes any suffix starting with '('
1514 StripHighlightAndTitle(s)
1517 static char retbuf[MSG_SIZ];
1520 while (*s != NULLCHAR) {
1521 while (*s == '\033') {
1522 while (*s != NULLCHAR && !isalpha(*s)) s++;
1523 if (*s != NULLCHAR) s++;
1525 while (*s != NULLCHAR && *s != '\033') {
1526 if (*s == '(' || *s == '[') {
1537 /* Remove all highlighting escape sequences in s */
1542 static char retbuf[MSG_SIZ];
1545 while (*s != NULLCHAR) {
1546 while (*s == '\033') {
1547 while (*s != NULLCHAR && !isalpha(*s)) s++;
1548 if (*s != NULLCHAR) s++;
1550 while (*s != NULLCHAR && *s != '\033') {
1558 char *variantNames[] = VARIANT_NAMES;
1563 return variantNames[v];
1567 /* Identify a variant from the strings the chess servers use or the
1568 PGN Variant tag names we use. */
1575 VariantClass v = VariantNormal;
1576 int i, found = FALSE;
1581 /* [HGM] skip over optional board-size prefixes */
1582 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1583 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1584 while( *e++ != '_');
1587 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1591 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1592 if (StrCaseStr(e, variantNames[i])) {
1593 v = (VariantClass) i;
1600 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1601 || StrCaseStr(e, "wild/fr")
1602 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1603 v = VariantFischeRandom;
1604 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1605 (i = 1, p = StrCaseStr(e, "w"))) {
1607 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1614 case 0: /* FICS only, actually */
1616 /* Castling legal even if K starts on d-file */
1617 v = VariantWildCastle;
1622 /* Castling illegal even if K & R happen to start in
1623 normal positions. */
1624 v = VariantNoCastle;
1637 /* Castling legal iff K & R start in normal positions */
1643 /* Special wilds for position setup; unclear what to do here */
1644 v = VariantLoadable;
1647 /* Bizarre ICC game */
1648 v = VariantTwoKings;
1651 v = VariantKriegspiel;
1657 v = VariantFischeRandom;
1660 v = VariantCrazyhouse;
1663 v = VariantBughouse;
1669 /* Not quite the same as FICS suicide! */
1670 v = VariantGiveaway;
1676 v = VariantShatranj;
1679 /* Temporary names for future ICC types. The name *will* change in
1680 the next xboard/WinBoard release after ICC defines it. */
1718 v = VariantCapablanca;
1721 v = VariantKnightmate;
1727 v = VariantCylinder;
1733 v = VariantCapaRandom;
1736 v = VariantBerolina;
1748 /* Found "wild" or "w" in the string but no number;
1749 must assume it's normal chess. */
1753 sprintf(buf, _("Unknown wild type %d"), wnum);
1754 DisplayError(buf, 0);
1760 if (appData.debugMode) {
1761 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1762 e, wnum, VariantName(v));
1767 static int leftover_start = 0, leftover_len = 0;
1768 char star_match[STAR_MATCH_N][MSG_SIZ];
1770 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1771 advance *index beyond it, and set leftover_start to the new value of
1772 *index; else return FALSE. If pattern contains the character '*', it
1773 matches any sequence of characters not containing '\r', '\n', or the
1774 character following the '*' (if any), and the matched sequence(s) are
1775 copied into star_match.
1778 looking_at(buf, index, pattern)
1783 char *bufp = &buf[*index], *patternp = pattern;
1785 char *matchp = star_match[0];
1788 if (*patternp == NULLCHAR) {
1789 *index = leftover_start = bufp - buf;
1793 if (*bufp == NULLCHAR) return FALSE;
1794 if (*patternp == '*') {
1795 if (*bufp == *(patternp + 1)) {
1797 matchp = star_match[++star_count];
1801 } else if (*bufp == '\n' || *bufp == '\r') {
1803 if (*patternp == NULLCHAR)
1808 *matchp++ = *bufp++;
1812 if (*patternp != *bufp) return FALSE;
1819 SendToPlayer(data, length)
1823 int error, outCount;
1824 outCount = OutputToProcess(NoProc, data, length, &error);
1825 if (outCount < length) {
1826 DisplayFatalError(_("Error writing to display"), error, 1);
1831 PackHolding(packed, holding)
1843 switch (runlength) {
1854 sprintf(q, "%d", runlength);
1866 /* Telnet protocol requests from the front end */
1868 TelnetRequest(ddww, option)
1869 unsigned char ddww, option;
1871 unsigned char msg[3];
1872 int outCount, outError;
1874 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1876 if (appData.debugMode) {
1877 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1893 sprintf(buf1, "%d", ddww);
1902 sprintf(buf2, "%d", option);
1905 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
1910 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1919 if (!appData.icsActive) return;
1920 TelnetRequest(TN_DO, TN_ECHO);
1926 if (!appData.icsActive) return;
1927 TelnetRequest(TN_DONT, TN_ECHO);
1931 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
1933 /* put the holdings sent to us by the server on the board holdings area */
1934 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
1938 if(gameInfo.holdingsWidth < 2) return;
1939 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
1940 return; // prevent overwriting by pre-board holdings
1942 if( (int)lowestPiece >= BlackPawn ) {
1945 holdingsStartRow = BOARD_HEIGHT-1;
1948 holdingsColumn = BOARD_WIDTH-1;
1949 countsColumn = BOARD_WIDTH-2;
1950 holdingsStartRow = 0;
1954 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
1955 board[i][holdingsColumn] = EmptySquare;
1956 board[i][countsColumn] = (ChessSquare) 0;
1958 while( (p=*holdings++) != NULLCHAR ) {
1959 piece = CharToPiece( ToUpper(p) );
1960 if(piece == EmptySquare) continue;
1961 /*j = (int) piece - (int) WhitePawn;*/
1962 j = PieceToNumber(piece);
1963 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
1964 if(j < 0) continue; /* should not happen */
1965 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
1966 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
1967 board[holdingsStartRow+j*direction][countsColumn]++;
1973 VariantSwitch(Board board, VariantClass newVariant)
1975 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
1978 startedFromPositionFile = FALSE;
1979 if(gameInfo.variant == newVariant) return;
1981 /* [HGM] This routine is called each time an assignment is made to
1982 * gameInfo.variant during a game, to make sure the board sizes
1983 * are set to match the new variant. If that means adding or deleting
1984 * holdings, we shift the playing board accordingly
1985 * This kludge is needed because in ICS observe mode, we get boards
1986 * of an ongoing game without knowing the variant, and learn about the
1987 * latter only later. This can be because of the move list we requested,
1988 * in which case the game history is refilled from the beginning anyway,
1989 * but also when receiving holdings of a crazyhouse game. In the latter
1990 * case we want to add those holdings to the already received position.
1994 if (appData.debugMode) {
1995 fprintf(debugFP, "Switch board from %s to %s\n",
1996 VariantName(gameInfo.variant), VariantName(newVariant));
1997 setbuf(debugFP, NULL);
1999 shuffleOpenings = 0; /* [HGM] shuffle */
2000 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2004 newWidth = 9; newHeight = 9;
2005 gameInfo.holdingsSize = 7;
2006 case VariantBughouse:
2007 case VariantCrazyhouse:
2008 newHoldingsWidth = 2; break;
2012 newHoldingsWidth = 2;
2013 gameInfo.holdingsSize = 8;
2016 case VariantCapablanca:
2017 case VariantCapaRandom:
2020 newHoldingsWidth = gameInfo.holdingsSize = 0;
2023 if(newWidth != gameInfo.boardWidth ||
2024 newHeight != gameInfo.boardHeight ||
2025 newHoldingsWidth != gameInfo.holdingsWidth ) {
2027 /* shift position to new playing area, if needed */
2028 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2029 for(i=0; i<BOARD_HEIGHT; i++)
2030 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2031 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2033 for(i=0; i<newHeight; i++) {
2034 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2035 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2037 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2038 for(i=0; i<BOARD_HEIGHT; i++)
2039 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2040 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2043 gameInfo.boardWidth = newWidth;
2044 gameInfo.boardHeight = newHeight;
2045 gameInfo.holdingsWidth = newHoldingsWidth;
2046 gameInfo.variant = newVariant;
2047 InitDrawingSizes(-2, 0);
2048 } else gameInfo.variant = newVariant;
2049 CopyBoard(oldBoard, board); // remember correctly formatted board
2050 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2051 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2054 static int loggedOn = FALSE;
2056 /*-- Game start info cache: --*/
2058 char gs_kind[MSG_SIZ];
2059 static char player1Name[128] = "";
2060 static char player2Name[128] = "";
2061 static char cont_seq[] = "\n\\ ";
2062 static int player1Rating = -1;
2063 static int player2Rating = -1;
2064 /*----------------------------*/
2066 ColorClass curColor = ColorNormal;
2067 int suppressKibitz = 0;
2070 Boolean soughtPending = FALSE;
2071 Boolean seekGraphUp;
2072 #define MAX_SEEK_ADS 200
2074 char *seekAdList[MAX_SEEK_ADS];
2075 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2076 float tcList[MAX_SEEK_ADS];
2077 char colorList[MAX_SEEK_ADS];
2078 int nrOfSeekAds = 0;
2079 int minRating = 1010, maxRating = 2800;
2080 int hMargin = 10, vMargin = 20, h, w;
2081 extern int squareSize, lineGap;
2086 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2087 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2088 if(r < minRating+100 && r >=0 ) r = minRating+100;
2089 if(r > maxRating) r = maxRating;
2090 if(tc < 1.) tc = 1.;
2091 if(tc > 95.) tc = 95.;
2092 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2093 y = ((double)r - minRating)/(maxRating - minRating)
2094 * (h-vMargin-squareSize/8-1) + vMargin;
2095 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2096 if(strstr(seekAdList[i], " u ")) color = 1;
2097 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2098 !strstr(seekAdList[i], "bullet") &&
2099 !strstr(seekAdList[i], "blitz") &&
2100 !strstr(seekAdList[i], "standard") ) color = 2;
2101 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2102 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2106 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2108 char buf[MSG_SIZ], *ext = "";
2109 VariantClass v = StringToVariant(type);
2110 if(strstr(type, "wild")) {
2111 ext = type + 4; // append wild number
2112 if(v == VariantFischeRandom) type = "chess960"; else
2113 if(v == VariantLoadable) type = "setup"; else
2114 type = VariantName(v);
2116 sprintf(buf, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2117 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2118 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2119 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2120 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2121 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2122 seekNrList[nrOfSeekAds] = nr;
2123 zList[nrOfSeekAds] = 0;
2124 seekAdList[nrOfSeekAds++] = StrSave(buf);
2125 if(plot) PlotSeekAd(nrOfSeekAds-1);
2132 int x = xList[i], y = yList[i], d=squareSize/4, k;
2133 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2134 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2135 // now replot every dot that overlapped
2136 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2137 int xx = xList[k], yy = yList[k];
2138 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2139 DrawSeekDot(xx, yy, colorList[k]);
2144 RemoveSeekAd(int nr)
2147 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2149 if(seekAdList[i]) free(seekAdList[i]);
2150 seekAdList[i] = seekAdList[--nrOfSeekAds];
2151 seekNrList[i] = seekNrList[nrOfSeekAds];
2152 ratingList[i] = ratingList[nrOfSeekAds];
2153 colorList[i] = colorList[nrOfSeekAds];
2154 tcList[i] = tcList[nrOfSeekAds];
2155 xList[i] = xList[nrOfSeekAds];
2156 yList[i] = yList[nrOfSeekAds];
2157 zList[i] = zList[nrOfSeekAds];
2158 seekAdList[nrOfSeekAds] = NULL;
2164 MatchSoughtLine(char *line)
2166 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2167 int nr, base, inc, u=0; char dummy;
2169 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2170 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2172 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2173 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2174 // match: compact and save the line
2175 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2184 if(!seekGraphUp) return FALSE;
2186 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2187 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2189 DrawSeekBackground(0, 0, w, h);
2190 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2191 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2192 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2193 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2195 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2198 sprintf(buf, "%d", i);
2199 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2202 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2203 for(i=1; i<100; i+=(i<10?1:5)) {
2204 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2205 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2206 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2208 sprintf(buf, "%d", i);
2209 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2212 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2216 int SeekGraphClick(ClickType click, int x, int y, int moving)
2218 static int lastDown = 0, displayed = 0, lastSecond;
2219 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2220 if(click == Release || moving) return FALSE;
2222 soughtPending = TRUE;
2223 SendToICS(ics_prefix);
2224 SendToICS("sought\n"); // should this be "sought all"?
2225 } else { // issue challenge based on clicked ad
2226 int dist = 10000; int i, closest = 0, second = 0;
2227 for(i=0; i<nrOfSeekAds; i++) {
2228 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2229 if(d < dist) { dist = d; closest = i; }
2230 second += (d - zList[i] < 120); // count in-range ads
2231 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2235 second = (second > 1);
2236 if(displayed != closest || second != lastSecond) {
2237 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2238 lastSecond = second; displayed = closest;
2240 if(click == Press) {
2241 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2244 } // on press 'hit', only show info
2245 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2246 sprintf(buf, "play %d\n", seekNrList[closest]);
2247 SendToICS(ics_prefix);
2249 return TRUE; // let incoming board of started game pop down the graph
2250 } else if(click == Release) { // release 'miss' is ignored
2251 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2252 if(moving == 2) { // right up-click
2253 nrOfSeekAds = 0; // refresh graph
2254 soughtPending = TRUE;
2255 SendToICS(ics_prefix);
2256 SendToICS("sought\n"); // should this be "sought all"?
2259 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2260 // press miss or release hit 'pop down' seek graph
2261 seekGraphUp = FALSE;
2262 DrawPosition(TRUE, NULL);
2268 read_from_ics(isr, closure, data, count, error)
2275 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2276 #define STARTED_NONE 0
2277 #define STARTED_MOVES 1
2278 #define STARTED_BOARD 2
2279 #define STARTED_OBSERVE 3
2280 #define STARTED_HOLDINGS 4
2281 #define STARTED_CHATTER 5
2282 #define STARTED_COMMENT 6
2283 #define STARTED_MOVES_NOHIDE 7
2285 static int started = STARTED_NONE;
2286 static char parse[20000];
2287 static int parse_pos = 0;
2288 static char buf[BUF_SIZE + 1];
2289 static int firstTime = TRUE, intfSet = FALSE;
2290 static ColorClass prevColor = ColorNormal;
2291 static int savingComment = FALSE;
2292 static int cmatch = 0; // continuation sequence match
2299 int backup; /* [DM] For zippy color lines */
2301 char talker[MSG_SIZ]; // [HGM] chat
2304 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2306 if (appData.debugMode) {
2308 fprintf(debugFP, "<ICS: ");
2309 show_bytes(debugFP, data, count);
2310 fprintf(debugFP, "\n");
2314 if (appData.debugMode) { int f = forwardMostMove;
2315 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2316 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2317 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2320 /* If last read ended with a partial line that we couldn't parse,
2321 prepend it to the new read and try again. */
2322 if (leftover_len > 0) {
2323 for (i=0; i<leftover_len; i++)
2324 buf[i] = buf[leftover_start + i];
2327 /* copy new characters into the buffer */
2328 bp = buf + leftover_len;
2329 buf_len=leftover_len;
2330 for (i=0; i<count; i++)
2333 if (data[i] == '\r')
2336 // join lines split by ICS?
2337 if (!appData.noJoin)
2340 Joining just consists of finding matches against the
2341 continuation sequence, and discarding that sequence
2342 if found instead of copying it. So, until a match
2343 fails, there's nothing to do since it might be the
2344 complete sequence, and thus, something we don't want
2347 if (data[i] == cont_seq[cmatch])
2350 if (cmatch == strlen(cont_seq))
2352 cmatch = 0; // complete match. just reset the counter
2355 it's possible for the ICS to not include the space
2356 at the end of the last word, making our [correct]
2357 join operation fuse two separate words. the server
2358 does this when the space occurs at the width setting.
2360 if (!buf_len || buf[buf_len-1] != ' ')
2371 match failed, so we have to copy what matched before
2372 falling through and copying this character. In reality,
2373 this will only ever be just the newline character, but
2374 it doesn't hurt to be precise.
2376 strncpy(bp, cont_seq, cmatch);
2388 buf[buf_len] = NULLCHAR;
2389 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2394 while (i < buf_len) {
2395 /* Deal with part of the TELNET option negotiation
2396 protocol. We refuse to do anything beyond the
2397 defaults, except that we allow the WILL ECHO option,
2398 which ICS uses to turn off password echoing when we are
2399 directly connected to it. We reject this option
2400 if localLineEditing mode is on (always on in xboard)
2401 and we are talking to port 23, which might be a real
2402 telnet server that will try to keep WILL ECHO on permanently.
2404 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2405 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2406 unsigned char option;
2408 switch ((unsigned char) buf[++i]) {
2410 if (appData.debugMode)
2411 fprintf(debugFP, "\n<WILL ");
2412 switch (option = (unsigned char) buf[++i]) {
2414 if (appData.debugMode)
2415 fprintf(debugFP, "ECHO ");
2416 /* Reply only if this is a change, according
2417 to the protocol rules. */
2418 if (remoteEchoOption) break;
2419 if (appData.localLineEditing &&
2420 atoi(appData.icsPort) == TN_PORT) {
2421 TelnetRequest(TN_DONT, TN_ECHO);
2424 TelnetRequest(TN_DO, TN_ECHO);
2425 remoteEchoOption = TRUE;
2429 if (appData.debugMode)
2430 fprintf(debugFP, "%d ", option);
2431 /* Whatever this is, we don't want it. */
2432 TelnetRequest(TN_DONT, option);
2437 if (appData.debugMode)
2438 fprintf(debugFP, "\n<WONT ");
2439 switch (option = (unsigned char) buf[++i]) {
2441 if (appData.debugMode)
2442 fprintf(debugFP, "ECHO ");
2443 /* Reply only if this is a change, according
2444 to the protocol rules. */
2445 if (!remoteEchoOption) break;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2448 remoteEchoOption = FALSE;
2451 if (appData.debugMode)
2452 fprintf(debugFP, "%d ", (unsigned char) option);
2453 /* Whatever this is, it must already be turned
2454 off, because we never agree to turn on
2455 anything non-default, so according to the
2456 protocol rules, we don't reply. */
2461 if (appData.debugMode)
2462 fprintf(debugFP, "\n<DO ");
2463 switch (option = (unsigned char) buf[++i]) {
2465 /* Whatever this is, we refuse to do it. */
2466 if (appData.debugMode)
2467 fprintf(debugFP, "%d ", option);
2468 TelnetRequest(TN_WONT, option);
2473 if (appData.debugMode)
2474 fprintf(debugFP, "\n<DONT ");
2475 switch (option = (unsigned char) buf[++i]) {
2477 if (appData.debugMode)
2478 fprintf(debugFP, "%d ", option);
2479 /* Whatever this is, we are already not doing
2480 it, because we never agree to do anything
2481 non-default, so according to the protocol
2482 rules, we don't reply. */
2487 if (appData.debugMode)
2488 fprintf(debugFP, "\n<IAC ");
2489 /* Doubled IAC; pass it through */
2493 if (appData.debugMode)
2494 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2495 /* Drop all other telnet commands on the floor */
2498 if (oldi > next_out)
2499 SendToPlayer(&buf[next_out], oldi - next_out);
2505 /* OK, this at least will *usually* work */
2506 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2510 if (loggedOn && !intfSet) {
2511 if (ics_type == ICS_ICC) {
2513 "/set-quietly interface %s\n/set-quietly style 12\n",
2515 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2516 strcat(str, "/set-2 51 1\n/set seek 1\n");
2517 } else if (ics_type == ICS_CHESSNET) {
2518 sprintf(str, "/style 12\n");
2520 strcpy(str, "alias $ @\n$set interface ");
2521 strcat(str, programVersion);
2522 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2523 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2524 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2526 strcat(str, "$iset nohighlight 1\n");
2528 strcat(str, "$iset lock 1\n$style 12\n");
2531 NotifyFrontendLogin();
2535 if (started == STARTED_COMMENT) {
2536 /* Accumulate characters in comment */
2537 parse[parse_pos++] = buf[i];
2538 if (buf[i] == '\n') {
2539 parse[parse_pos] = NULLCHAR;
2540 if(chattingPartner>=0) {
2542 sprintf(mess, "%s%s", talker, parse);
2543 OutputChatMessage(chattingPartner, mess);
2544 chattingPartner = -1;
2545 next_out = i+1; // [HGM] suppress printing in ICS window
2547 if(!suppressKibitz) // [HGM] kibitz
2548 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2549 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2550 int nrDigit = 0, nrAlph = 0, j;
2551 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2552 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2553 parse[parse_pos] = NULLCHAR;
2554 // try to be smart: if it does not look like search info, it should go to
2555 // ICS interaction window after all, not to engine-output window.
2556 for(j=0; j<parse_pos; j++) { // count letters and digits
2557 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2558 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2559 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2561 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2562 int depth=0; float score;
2563 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2564 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2565 pvInfoList[forwardMostMove-1].depth = depth;
2566 pvInfoList[forwardMostMove-1].score = 100*score;
2568 OutputKibitz(suppressKibitz, parse);
2571 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2572 SendToPlayer(tmp, strlen(tmp));
2574 next_out = i+1; // [HGM] suppress printing in ICS window
2576 started = STARTED_NONE;
2578 /* Don't match patterns against characters in comment */
2583 if (started == STARTED_CHATTER) {
2584 if (buf[i] != '\n') {
2585 /* Don't match patterns against characters in chatter */
2589 started = STARTED_NONE;
2590 if(suppressKibitz) next_out = i+1;
2593 /* Kludge to deal with rcmd protocol */
2594 if (firstTime && looking_at(buf, &i, "\001*")) {
2595 DisplayFatalError(&buf[1], 0, 1);
2601 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2604 if (appData.debugMode)
2605 fprintf(debugFP, "ics_type %d\n", ics_type);
2608 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2609 ics_type = ICS_FICS;
2611 if (appData.debugMode)
2612 fprintf(debugFP, "ics_type %d\n", ics_type);
2615 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2616 ics_type = ICS_CHESSNET;
2618 if (appData.debugMode)
2619 fprintf(debugFP, "ics_type %d\n", ics_type);
2624 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2625 looking_at(buf, &i, "Logging you in as \"*\"") ||
2626 looking_at(buf, &i, "will be \"*\""))) {
2627 strcpy(ics_handle, star_match[0]);
2631 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2633 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2634 DisplayIcsInteractionTitle(buf);
2635 have_set_title = TRUE;
2638 /* skip finger notes */
2639 if (started == STARTED_NONE &&
2640 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2641 (buf[i] == '1' && buf[i+1] == '0')) &&
2642 buf[i+2] == ':' && buf[i+3] == ' ') {
2643 started = STARTED_CHATTER;
2649 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2650 if(appData.seekGraph) {
2651 if(soughtPending && MatchSoughtLine(buf+i)) {
2652 i = strstr(buf+i, "rated") - buf;
2653 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2654 next_out = leftover_start = i;
2655 started = STARTED_CHATTER;
2656 suppressKibitz = TRUE;
2659 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2660 && looking_at(buf, &i, "* ads displayed")) {
2661 soughtPending = FALSE;
2666 if(appData.autoRefresh) {
2667 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2668 int s = (ics_type == ICS_ICC); // ICC format differs
2670 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2671 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2672 looking_at(buf, &i, "*% "); // eat prompt
2673 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2674 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2675 next_out = i; // suppress
2678 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2679 char *p = star_match[0];
2681 if(seekGraphUp) RemoveSeekAd(atoi(p));
2682 while(*p && *p++ != ' '); // next
2684 looking_at(buf, &i, "*% "); // eat prompt
2685 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2692 /* skip formula vars */
2693 if (started == STARTED_NONE &&
2694 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2695 started = STARTED_CHATTER;
2700 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2701 if (appData.autoKibitz && started == STARTED_NONE &&
2702 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2703 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2704 if(looking_at(buf, &i, "* kibitzes: ") &&
2705 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2706 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2707 suppressKibitz = TRUE;
2708 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2710 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2711 && (gameMode == IcsPlayingWhite)) ||
2712 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2713 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2714 started = STARTED_CHATTER; // own kibitz we simply discard
2716 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2717 parse_pos = 0; parse[0] = NULLCHAR;
2718 savingComment = TRUE;
2719 suppressKibitz = gameMode != IcsObserving ? 2 :
2720 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2724 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2725 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2726 && atoi(star_match[0])) {
2727 // suppress the acknowledgements of our own autoKibitz
2729 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2730 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2731 SendToPlayer(star_match[0], strlen(star_match[0]));
2732 if(looking_at(buf, &i, "*% ")) // eat prompt
2733 suppressKibitz = FALSE;
2737 } // [HGM] kibitz: end of patch
2739 // [HGM] chat: intercept tells by users for which we have an open chat window
2741 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2742 looking_at(buf, &i, "* whispers:") ||
2743 looking_at(buf, &i, "* shouts:") ||
2744 looking_at(buf, &i, "* c-shouts:") ||
2745 looking_at(buf, &i, "--> * ") ||
2746 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2747 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2748 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2749 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2751 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2752 chattingPartner = -1;
2754 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2755 for(p=0; p<MAX_CHAT; p++) {
2756 if(channel == atoi(chatPartner[p])) {
2757 talker[0] = '['; strcat(talker, "] ");
2758 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2759 chattingPartner = p; break;
2762 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2763 for(p=0; p<MAX_CHAT; p++) {
2764 if(!strcmp("whispers", chatPartner[p])) {
2765 talker[0] = '['; strcat(talker, "] ");
2766 chattingPartner = p; break;
2769 if(buf[i-3] == 't' || buf[oldi+2] == '>') // shout, c-shout or it; look if there is a 'shouts' chatbox
2770 for(p=0; p<MAX_CHAT; p++) {
2771 if(!strcmp("shouts", chatPartner[p])) {
2772 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2773 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2774 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2775 chattingPartner = p; break;
2778 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2779 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2780 talker[0] = 0; Colorize(ColorTell, FALSE);
2781 chattingPartner = p; break;
2783 if(chattingPartner<0) i = oldi; else {
2784 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2785 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2786 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2787 started = STARTED_COMMENT;
2788 parse_pos = 0; parse[0] = NULLCHAR;
2789 savingComment = 3 + chattingPartner; // counts as TRUE
2790 suppressKibitz = TRUE;
2793 } // [HGM] chat: end of patch
2795 if (appData.zippyTalk || appData.zippyPlay) {
2796 /* [DM] Backup address for color zippy lines */
2800 if (loggedOn == TRUE)
2801 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2802 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2804 if (ZippyControl(buf, &i) ||
2805 ZippyConverse(buf, &i) ||
2806 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2808 if (!appData.colorize) continue;
2812 } // [DM] 'else { ' deleted
2814 /* Regular tells and says */
2815 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2816 looking_at(buf, &i, "* (your partner) tells you: ") ||
2817 looking_at(buf, &i, "* says: ") ||
2818 /* Don't color "message" or "messages" output */
2819 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2820 looking_at(buf, &i, "*. * at *:*: ") ||
2821 looking_at(buf, &i, "--* (*:*): ") ||
2822 /* Message notifications (same color as tells) */
2823 looking_at(buf, &i, "* has left a message ") ||
2824 looking_at(buf, &i, "* just sent you a message:\n") ||
2825 /* Whispers and kibitzes */
2826 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2827 looking_at(buf, &i, "* kibitzes: ") ||
2829 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2831 if (tkind == 1 && strchr(star_match[0], ':')) {
2832 /* Avoid "tells you:" spoofs in channels */
2835 if (star_match[0][0] == NULLCHAR ||
2836 strchr(star_match[0], ' ') ||
2837 (tkind == 3 && strchr(star_match[1], ' '))) {
2838 /* Reject bogus matches */
2841 if (appData.colorize) {
2842 if (oldi > next_out) {
2843 SendToPlayer(&buf[next_out], oldi - next_out);
2848 Colorize(ColorTell, FALSE);
2849 curColor = ColorTell;
2852 Colorize(ColorKibitz, FALSE);
2853 curColor = ColorKibitz;
2856 p = strrchr(star_match[1], '(');
2863 Colorize(ColorChannel1, FALSE);
2864 curColor = ColorChannel1;
2866 Colorize(ColorChannel, FALSE);
2867 curColor = ColorChannel;
2871 curColor = ColorNormal;
2875 if (started == STARTED_NONE && appData.autoComment &&
2876 (gameMode == IcsObserving ||
2877 gameMode == IcsPlayingWhite ||
2878 gameMode == IcsPlayingBlack)) {
2879 parse_pos = i - oldi;
2880 memcpy(parse, &buf[oldi], parse_pos);
2881 parse[parse_pos] = NULLCHAR;
2882 started = STARTED_COMMENT;
2883 savingComment = TRUE;
2885 started = STARTED_CHATTER;
2886 savingComment = FALSE;
2893 if (looking_at(buf, &i, "* s-shouts: ") ||
2894 looking_at(buf, &i, "* c-shouts: ")) {
2895 if (appData.colorize) {
2896 if (oldi > next_out) {
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2900 Colorize(ColorSShout, FALSE);
2901 curColor = ColorSShout;
2904 started = STARTED_CHATTER;
2908 if (looking_at(buf, &i, "--->")) {
2913 if (looking_at(buf, &i, "* shouts: ") ||
2914 looking_at(buf, &i, "--> ")) {
2915 if (appData.colorize) {
2916 if (oldi > next_out) {
2917 SendToPlayer(&buf[next_out], oldi - next_out);
2920 Colorize(ColorShout, FALSE);
2921 curColor = ColorShout;
2924 started = STARTED_CHATTER;
2928 if (looking_at( buf, &i, "Challenge:")) {
2929 if (appData.colorize) {
2930 if (oldi > next_out) {
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2934 Colorize(ColorChallenge, FALSE);
2935 curColor = ColorChallenge;
2941 if (looking_at(buf, &i, "* offers you") ||
2942 looking_at(buf, &i, "* offers to be") ||
2943 looking_at(buf, &i, "* would like to") ||
2944 looking_at(buf, &i, "* requests to") ||
2945 looking_at(buf, &i, "Your opponent offers") ||
2946 looking_at(buf, &i, "Your opponent requests")) {
2948 if (appData.colorize) {
2949 if (oldi > next_out) {
2950 SendToPlayer(&buf[next_out], oldi - next_out);
2953 Colorize(ColorRequest, FALSE);
2954 curColor = ColorRequest;
2959 if (looking_at(buf, &i, "* (*) seeking")) {
2960 if (appData.colorize) {
2961 if (oldi > next_out) {
2962 SendToPlayer(&buf[next_out], oldi - next_out);
2965 Colorize(ColorSeek, FALSE);
2966 curColor = ColorSeek;
2971 if (looking_at(buf, &i, "\\ ")) {
2972 if (prevColor != ColorNormal) {
2973 if (oldi > next_out) {
2974 SendToPlayer(&buf[next_out], oldi - next_out);
2977 Colorize(prevColor, TRUE);
2978 curColor = prevColor;
2980 if (savingComment) {
2981 parse_pos = i - oldi;
2982 memcpy(parse, &buf[oldi], parse_pos);
2983 parse[parse_pos] = NULLCHAR;
2984 started = STARTED_COMMENT;
2985 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2986 chattingPartner = savingComment - 3; // kludge to remember the box
2988 started = STARTED_CHATTER;
2993 if (looking_at(buf, &i, "Black Strength :") ||
2994 looking_at(buf, &i, "<<< style 10 board >>>") ||
2995 looking_at(buf, &i, "<10>") ||
2996 looking_at(buf, &i, "#@#")) {
2997 /* Wrong board style */
2999 SendToICS(ics_prefix);
3000 SendToICS("set style 12\n");
3001 SendToICS(ics_prefix);
3002 SendToICS("refresh\n");
3006 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3008 have_sent_ICS_logon = 1;
3012 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3013 (looking_at(buf, &i, "\n<12> ") ||
3014 looking_at(buf, &i, "<12> "))) {
3016 if (oldi > next_out) {
3017 SendToPlayer(&buf[next_out], oldi - next_out);
3020 started = STARTED_BOARD;
3025 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3026 looking_at(buf, &i, "<b1> ")) {
3027 if (oldi > next_out) {
3028 SendToPlayer(&buf[next_out], oldi - next_out);
3031 started = STARTED_HOLDINGS;
3036 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3038 /* Header for a move list -- first line */
3040 switch (ics_getting_history) {
3044 case BeginningOfGame:
3045 /* User typed "moves" or "oldmoves" while we
3046 were idle. Pretend we asked for these
3047 moves and soak them up so user can step
3048 through them and/or save them.
3051 gameMode = IcsObserving;
3054 ics_getting_history = H_GOT_UNREQ_HEADER;
3056 case EditGame: /*?*/
3057 case EditPosition: /*?*/
3058 /* Should above feature work in these modes too? */
3059 /* For now it doesn't */
3060 ics_getting_history = H_GOT_UNWANTED_HEADER;
3063 ics_getting_history = H_GOT_UNWANTED_HEADER;
3068 /* Is this the right one? */
3069 if (gameInfo.white && gameInfo.black &&
3070 strcmp(gameInfo.white, star_match[0]) == 0 &&
3071 strcmp(gameInfo.black, star_match[2]) == 0) {
3073 ics_getting_history = H_GOT_REQ_HEADER;
3076 case H_GOT_REQ_HEADER:
3077 case H_GOT_UNREQ_HEADER:
3078 case H_GOT_UNWANTED_HEADER:
3079 case H_GETTING_MOVES:
3080 /* Should not happen */
3081 DisplayError(_("Error gathering move list: two headers"), 0);
3082 ics_getting_history = H_FALSE;
3086 /* Save player ratings into gameInfo if needed */
3087 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3088 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3089 (gameInfo.whiteRating == -1 ||
3090 gameInfo.blackRating == -1)) {
3092 gameInfo.whiteRating = string_to_rating(star_match[1]);
3093 gameInfo.blackRating = string_to_rating(star_match[3]);
3094 if (appData.debugMode)
3095 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3096 gameInfo.whiteRating, gameInfo.blackRating);
3101 if (looking_at(buf, &i,
3102 "* * match, initial time: * minute*, increment: * second")) {
3103 /* Header for a move list -- second line */
3104 /* Initial board will follow if this is a wild game */
3105 if (gameInfo.event != NULL) free(gameInfo.event);
3106 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3107 gameInfo.event = StrSave(str);
3108 /* [HGM] we switched variant. Translate boards if needed. */
3109 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3113 if (looking_at(buf, &i, "Move ")) {
3114 /* Beginning of a move list */
3115 switch (ics_getting_history) {
3117 /* Normally should not happen */
3118 /* Maybe user hit reset while we were parsing */
3121 /* Happens if we are ignoring a move list that is not
3122 * the one we just requested. Common if the user
3123 * tries to observe two games without turning off
3126 case H_GETTING_MOVES:
3127 /* Should not happen */
3128 DisplayError(_("Error gathering move list: nested"), 0);
3129 ics_getting_history = H_FALSE;
3131 case H_GOT_REQ_HEADER:
3132 ics_getting_history = H_GETTING_MOVES;
3133 started = STARTED_MOVES;
3135 if (oldi > next_out) {
3136 SendToPlayer(&buf[next_out], oldi - next_out);
3139 case H_GOT_UNREQ_HEADER:
3140 ics_getting_history = H_GETTING_MOVES;
3141 started = STARTED_MOVES_NOHIDE;
3144 case H_GOT_UNWANTED_HEADER:
3145 ics_getting_history = H_FALSE;
3151 if (looking_at(buf, &i, "% ") ||
3152 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3153 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3154 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3155 soughtPending = FALSE;
3159 if(suppressKibitz) next_out = i;
3160 savingComment = FALSE;
3164 case STARTED_MOVES_NOHIDE:
3165 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3166 parse[parse_pos + i - oldi] = NULLCHAR;
3167 ParseGameHistory(parse);
3169 if (appData.zippyPlay && first.initDone) {
3170 FeedMovesToProgram(&first, forwardMostMove);
3171 if (gameMode == IcsPlayingWhite) {
3172 if (WhiteOnMove(forwardMostMove)) {
3173 if (first.sendTime) {
3174 if (first.useColors) {
3175 SendToProgram("black\n", &first);
3177 SendTimeRemaining(&first, TRUE);
3179 if (first.useColors) {
3180 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3182 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3183 first.maybeThinking = TRUE;
3185 if (first.usePlayother) {
3186 if (first.sendTime) {
3187 SendTimeRemaining(&first, TRUE);
3189 SendToProgram("playother\n", &first);
3195 } else if (gameMode == IcsPlayingBlack) {
3196 if (!WhiteOnMove(forwardMostMove)) {
3197 if (first.sendTime) {
3198 if (first.useColors) {
3199 SendToProgram("white\n", &first);
3201 SendTimeRemaining(&first, FALSE);
3203 if (first.useColors) {
3204 SendToProgram("black\n", &first);
3206 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3207 first.maybeThinking = TRUE;
3209 if (first.usePlayother) {
3210 if (first.sendTime) {
3211 SendTimeRemaining(&first, FALSE);
3213 SendToProgram("playother\n", &first);
3222 if (gameMode == IcsObserving && ics_gamenum == -1) {
3223 /* Moves came from oldmoves or moves command
3224 while we weren't doing anything else.
3226 currentMove = forwardMostMove;
3227 ClearHighlights();/*!!could figure this out*/
3228 flipView = appData.flipView;
3229 DrawPosition(TRUE, boards[currentMove]);
3230 DisplayBothClocks();
3231 sprintf(str, "%s vs. %s",
3232 gameInfo.white, gameInfo.black);
3236 /* Moves were history of an active game */
3237 if (gameInfo.resultDetails != NULL) {
3238 free(gameInfo.resultDetails);
3239 gameInfo.resultDetails = NULL;
3242 HistorySet(parseList, backwardMostMove,
3243 forwardMostMove, currentMove-1);
3244 DisplayMove(currentMove - 1);
3245 if (started == STARTED_MOVES) next_out = i;
3246 started = STARTED_NONE;
3247 ics_getting_history = H_FALSE;
3250 case STARTED_OBSERVE:
3251 started = STARTED_NONE;
3252 SendToICS(ics_prefix);
3253 SendToICS("refresh\n");
3259 if(bookHit) { // [HGM] book: simulate book reply
3260 static char bookMove[MSG_SIZ]; // a bit generous?
3262 programStats.nodes = programStats.depth = programStats.time =
3263 programStats.score = programStats.got_only_move = 0;
3264 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3266 strcpy(bookMove, "move ");
3267 strcat(bookMove, bookHit);
3268 HandleMachineMove(bookMove, &first);
3273 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3274 started == STARTED_HOLDINGS ||
3275 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3276 /* Accumulate characters in move list or board */
3277 parse[parse_pos++] = buf[i];
3280 /* Start of game messages. Mostly we detect start of game
3281 when the first board image arrives. On some versions
3282 of the ICS, though, we need to do a "refresh" after starting
3283 to observe in order to get the current board right away. */
3284 if (looking_at(buf, &i, "Adding game * to observation list")) {
3285 started = STARTED_OBSERVE;
3289 /* Handle auto-observe */
3290 if (appData.autoObserve &&
3291 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3292 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3294 /* Choose the player that was highlighted, if any. */
3295 if (star_match[0][0] == '\033' ||
3296 star_match[1][0] != '\033') {
3297 player = star_match[0];
3299 player = star_match[2];
3301 sprintf(str, "%sobserve %s\n",
3302 ics_prefix, StripHighlightAndTitle(player));
3305 /* Save ratings from notify string */
3306 strcpy(player1Name, star_match[0]);
3307 player1Rating = string_to_rating(star_match[1]);
3308 strcpy(player2Name, star_match[2]);
3309 player2Rating = string_to_rating(star_match[3]);
3311 if (appData.debugMode)
3313 "Ratings from 'Game notification:' %s %d, %s %d\n",
3314 player1Name, player1Rating,
3315 player2Name, player2Rating);
3320 /* Deal with automatic examine mode after a game,
3321 and with IcsObserving -> IcsExamining transition */
3322 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3323 looking_at(buf, &i, "has made you an examiner of game *")) {
3325 int gamenum = atoi(star_match[0]);
3326 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3327 gamenum == ics_gamenum) {
3328 /* We were already playing or observing this game;
3329 no need to refetch history */
3330 gameMode = IcsExamining;
3332 pauseExamForwardMostMove = forwardMostMove;
3333 } else if (currentMove < forwardMostMove) {
3334 ForwardInner(forwardMostMove);
3337 /* I don't think this case really can happen */
3338 SendToICS(ics_prefix);
3339 SendToICS("refresh\n");
3344 /* Error messages */
3345 // if (ics_user_moved) {
3346 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3347 if (looking_at(buf, &i, "Illegal move") ||
3348 looking_at(buf, &i, "Not a legal move") ||
3349 looking_at(buf, &i, "Your king is in check") ||
3350 looking_at(buf, &i, "It isn't your turn") ||
3351 looking_at(buf, &i, "It is not your move")) {
3353 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3354 currentMove = forwardMostMove-1;
3355 DisplayMove(currentMove - 1); /* before DMError */
3356 DrawPosition(FALSE, boards[currentMove]);
3357 SwitchClocks(forwardMostMove-1); // [HGM] race
3358 DisplayBothClocks();
3360 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3366 if (looking_at(buf, &i, "still have time") ||
3367 looking_at(buf, &i, "not out of time") ||
3368 looking_at(buf, &i, "either player is out of time") ||
3369 looking_at(buf, &i, "has timeseal; checking")) {
3370 /* We must have called his flag a little too soon */
3371 whiteFlag = blackFlag = FALSE;
3375 if (looking_at(buf, &i, "added * seconds to") ||
3376 looking_at(buf, &i, "seconds were added to")) {
3377 /* Update the clocks */
3378 SendToICS(ics_prefix);
3379 SendToICS("refresh\n");
3383 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3384 ics_clock_paused = TRUE;
3389 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3390 ics_clock_paused = FALSE;
3395 /* Grab player ratings from the Creating: message.
3396 Note we have to check for the special case when
3397 the ICS inserts things like [white] or [black]. */
3398 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3399 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3401 0 player 1 name (not necessarily white)
3403 2 empty, white, or black (IGNORED)
3404 3 player 2 name (not necessarily black)
3407 The names/ratings are sorted out when the game
3408 actually starts (below).
3410 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3411 player1Rating = string_to_rating(star_match[1]);
3412 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3413 player2Rating = string_to_rating(star_match[4]);
3415 if (appData.debugMode)
3417 "Ratings from 'Creating:' %s %d, %s %d\n",
3418 player1Name, player1Rating,
3419 player2Name, player2Rating);
3424 /* Improved generic start/end-of-game messages */
3425 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3426 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3427 /* If tkind == 0: */
3428 /* star_match[0] is the game number */
3429 /* [1] is the white player's name */
3430 /* [2] is the black player's name */
3431 /* For end-of-game: */
3432 /* [3] is the reason for the game end */
3433 /* [4] is a PGN end game-token, preceded by " " */
3434 /* For start-of-game: */
3435 /* [3] begins with "Creating" or "Continuing" */
3436 /* [4] is " *" or empty (don't care). */
3437 int gamenum = atoi(star_match[0]);
3438 char *whitename, *blackname, *why, *endtoken;
3439 ChessMove endtype = (ChessMove) 0;
3442 whitename = star_match[1];
3443 blackname = star_match[2];
3444 why = star_match[3];
3445 endtoken = star_match[4];
3447 whitename = star_match[1];
3448 blackname = star_match[3];
3449 why = star_match[5];
3450 endtoken = star_match[6];
3453 /* Game start messages */
3454 if (strncmp(why, "Creating ", 9) == 0 ||
3455 strncmp(why, "Continuing ", 11) == 0) {
3456 gs_gamenum = gamenum;
3457 strcpy(gs_kind, strchr(why, ' ') + 1);
3458 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3460 if (appData.zippyPlay) {
3461 ZippyGameStart(whitename, blackname);
3467 /* Game end messages */
3468 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3469 ics_gamenum != gamenum) {
3472 while (endtoken[0] == ' ') endtoken++;
3473 switch (endtoken[0]) {
3476 endtype = GameUnfinished;
3479 endtype = BlackWins;
3482 if (endtoken[1] == '/')
3483 endtype = GameIsDrawn;
3485 endtype = WhiteWins;
3488 GameEnds(endtype, why, GE_ICS);
3490 if (appData.zippyPlay && first.initDone) {
3491 ZippyGameEnd(endtype, why);
3492 if (first.pr == NULL) {
3493 /* Start the next process early so that we'll
3494 be ready for the next challenge */
3495 StartChessProgram(&first);
3497 /* Send "new" early, in case this command takes
3498 a long time to finish, so that we'll be ready
3499 for the next challenge. */
3500 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3507 if (looking_at(buf, &i, "Removing game * from observation") ||
3508 looking_at(buf, &i, "no longer observing game *") ||
3509 looking_at(buf, &i, "Game * (*) has no examiners")) {
3510 if (gameMode == IcsObserving &&
3511 atoi(star_match[0]) == ics_gamenum)
3513 /* icsEngineAnalyze */
3514 if (appData.icsEngineAnalyze) {
3521 ics_user_moved = FALSE;
3526 if (looking_at(buf, &i, "no longer examining game *")) {
3527 if (gameMode == IcsExamining &&
3528 atoi(star_match[0]) == ics_gamenum)
3532 ics_user_moved = FALSE;
3537 /* Advance leftover_start past any newlines we find,
3538 so only partial lines can get reparsed */
3539 if (looking_at(buf, &i, "\n")) {
3540 prevColor = curColor;
3541 if (curColor != ColorNormal) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(ColorNormal, FALSE);
3547 curColor = ColorNormal;
3549 if (started == STARTED_BOARD) {
3550 started = STARTED_NONE;
3551 parse[parse_pos] = NULLCHAR;
3552 ParseBoard12(parse);
3555 /* Send premove here */
3556 if (appData.premove) {
3558 if (currentMove == 0 &&
3559 gameMode == IcsPlayingWhite &&
3560 appData.premoveWhite) {
3561 sprintf(str, "%s\n", appData.premoveWhiteText);
3562 if (appData.debugMode)
3563 fprintf(debugFP, "Sending premove:\n");
3565 } else if (currentMove == 1 &&
3566 gameMode == IcsPlayingBlack &&
3567 appData.premoveBlack) {
3568 sprintf(str, "%s\n", appData.premoveBlackText);
3569 if (appData.debugMode)
3570 fprintf(debugFP, "Sending premove:\n");
3572 } else if (gotPremove) {
3574 ClearPremoveHighlights();
3575 if (appData.debugMode)
3576 fprintf(debugFP, "Sending premove:\n");
3577 UserMoveEvent(premoveFromX, premoveFromY,
3578 premoveToX, premoveToY,
3583 /* Usually suppress following prompt */
3584 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3585 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3586 if (looking_at(buf, &i, "*% ")) {
3587 savingComment = FALSE;
3592 } else if (started == STARTED_HOLDINGS) {
3594 char new_piece[MSG_SIZ];
3595 started = STARTED_NONE;
3596 parse[parse_pos] = NULLCHAR;
3597 if (appData.debugMode)
3598 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3599 parse, currentMove);
3600 if (sscanf(parse, " game %d", &gamenum) == 1) {
3601 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3602 if (gameInfo.variant == VariantNormal) {
3603 /* [HGM] We seem to switch variant during a game!
3604 * Presumably no holdings were displayed, so we have
3605 * to move the position two files to the right to
3606 * create room for them!
3608 VariantClass newVariant;
3609 switch(gameInfo.boardWidth) { // base guess on board width
3610 case 9: newVariant = VariantShogi; break;
3611 case 10: newVariant = VariantGreat; break;
3612 default: newVariant = VariantCrazyhouse; break;
3614 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3615 /* Get a move list just to see the header, which
3616 will tell us whether this is really bug or zh */
3617 if (ics_getting_history == H_FALSE) {
3618 ics_getting_history = H_REQUESTED;
3619 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3623 new_piece[0] = NULLCHAR;
3624 sscanf(parse, "game %d white [%s black [%s <- %s",
3625 &gamenum, white_holding, black_holding,
3627 white_holding[strlen(white_holding)-1] = NULLCHAR;
3628 black_holding[strlen(black_holding)-1] = NULLCHAR;
3629 /* [HGM] copy holdings to board holdings area */
3630 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3631 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3632 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3634 if (appData.zippyPlay && first.initDone) {
3635 ZippyHoldings(white_holding, black_holding,
3639 if (tinyLayout || smallLayout) {
3640 char wh[16], bh[16];
3641 PackHolding(wh, white_holding);
3642 PackHolding(bh, black_holding);
3643 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3644 gameInfo.white, gameInfo.black);
3646 sprintf(str, "%s [%s] vs. %s [%s]",
3647 gameInfo.white, white_holding,
3648 gameInfo.black, black_holding);
3651 DrawPosition(FALSE, boards[currentMove]);
3653 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3654 sscanf(parse, "game %d white [%s black [%s <- %s",
3655 &gamenum, white_holding, black_holding,
3657 white_holding[strlen(white_holding)-1] = NULLCHAR;
3658 black_holding[strlen(black_holding)-1] = NULLCHAR;
3659 /* [HGM] copy holdings to partner-board holdings area */
3660 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3661 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3662 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3665 /* Suppress following prompt */
3666 if (looking_at(buf, &i, "*% ")) {
3667 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3668 savingComment = FALSE;
3676 i++; /* skip unparsed character and loop back */
3679 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3680 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3681 // SendToPlayer(&buf[next_out], i - next_out);
3682 started != STARTED_HOLDINGS && leftover_start > next_out) {
3683 SendToPlayer(&buf[next_out], leftover_start - next_out);
3687 leftover_len = buf_len - leftover_start;
3688 /* if buffer ends with something we couldn't parse,
3689 reparse it after appending the next read */
3691 } else if (count == 0) {
3692 RemoveInputSource(isr);
3693 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3695 DisplayFatalError(_("Error reading from ICS"), error, 1);
3700 /* Board style 12 looks like this:
3702 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
3704 * The "<12> " is stripped before it gets to this routine. The two
3705 * trailing 0's (flip state and clock ticking) are later addition, and
3706 * some chess servers may not have them, or may have only the first.
3707 * Additional trailing fields may be added in the future.
3710 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
3712 #define RELATION_OBSERVING_PLAYED 0
3713 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3714 #define RELATION_PLAYING_MYMOVE 1
3715 #define RELATION_PLAYING_NOTMYMOVE -1
3716 #define RELATION_EXAMINING 2
3717 #define RELATION_ISOLATED_BOARD -3
3718 #define RELATION_STARTING_POSITION -4 /* FICS only */
3721 ParseBoard12(string)
3724 GameMode newGameMode;
3725 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3726 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3727 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3728 char to_play, board_chars[200];
3729 char move_str[500], str[500], elapsed_time[500];
3730 char black[32], white[32];
3732 int prevMove = currentMove;
3735 int fromX, fromY, toX, toY;
3737 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3738 char *bookHit = NULL; // [HGM] book
3739 Boolean weird = FALSE, reqFlag = FALSE;
3741 fromX = fromY = toX = toY = -1;
3745 if (appData.debugMode)
3746 fprintf(debugFP, _("Parsing board: %s\n"), string);
3748 move_str[0] = NULLCHAR;
3749 elapsed_time[0] = NULLCHAR;
3750 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3752 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3753 if(string[i] == ' ') { ranks++; files = 0; }
3755 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3758 for(j = 0; j <i; j++) board_chars[j] = string[j];
3759 board_chars[i] = '\0';
3762 n = sscanf(string, PATTERN, &to_play, &double_push,
3763 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3764 &gamenum, white, black, &relation, &basetime, &increment,
3765 &white_stren, &black_stren, &white_time, &black_time,
3766 &moveNum, str, elapsed_time, move_str, &ics_flip,
3770 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3771 DisplayError(str, 0);
3775 /* Convert the move number to internal form */
3776 moveNum = (moveNum - 1) * 2;
3777 if (to_play == 'B') moveNum++;
3778 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3779 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3785 case RELATION_OBSERVING_PLAYED:
3786 case RELATION_OBSERVING_STATIC:
3787 if (gamenum == -1) {
3788 /* Old ICC buglet */
3789 relation = RELATION_OBSERVING_STATIC;
3791 newGameMode = IcsObserving;
3793 case RELATION_PLAYING_MYMOVE:
3794 case RELATION_PLAYING_NOTMYMOVE:
3796 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3797 IcsPlayingWhite : IcsPlayingBlack;
3799 case RELATION_EXAMINING:
3800 newGameMode = IcsExamining;
3802 case RELATION_ISOLATED_BOARD:
3804 /* Just display this board. If user was doing something else,
3805 we will forget about it until the next board comes. */
3806 newGameMode = IcsIdle;
3808 case RELATION_STARTING_POSITION:
3809 newGameMode = gameMode;
3813 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3814 && newGameMode == IcsObserving && appData.bgObserve) {
3815 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3817 for (k = 0; k < ranks; k++) {
3818 for (j = 0; j < files; j++)
3819 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3820 if(gameInfo.holdingsWidth > 1) {
3821 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3822 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3825 CopyBoard(partnerBoard, board);
3826 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3827 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3828 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3829 DisplayMessage(buf, "");
3833 /* Modify behavior for initial board display on move listing
3836 switch (ics_getting_history) {
3840 case H_GOT_REQ_HEADER:
3841 case H_GOT_UNREQ_HEADER:
3842 /* This is the initial position of the current game */
3843 gamenum = ics_gamenum;
3844 moveNum = 0; /* old ICS bug workaround */
3845 if (to_play == 'B') {
3846 startedFromSetupPosition = TRUE;
3847 blackPlaysFirst = TRUE;
3849 if (forwardMostMove == 0) forwardMostMove = 1;
3850 if (backwardMostMove == 0) backwardMostMove = 1;
3851 if (currentMove == 0) currentMove = 1;
3853 newGameMode = gameMode;
3854 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3856 case H_GOT_UNWANTED_HEADER:
3857 /* This is an initial board that we don't want */
3859 case H_GETTING_MOVES:
3860 /* Should not happen */
3861 DisplayError(_("Error gathering move list: extra board"), 0);
3862 ics_getting_history = H_FALSE;
3866 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3867 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3868 /* [HGM] We seem to have switched variant unexpectedly
3869 * Try to guess new variant from board size
3871 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3872 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3873 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3874 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3875 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3876 if(!weird) newVariant = VariantNormal;
3877 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3878 /* Get a move list just to see the header, which
3879 will tell us whether this is really bug or zh */
3880 if (ics_getting_history == H_FALSE) {
3881 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3882 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3887 /* Take action if this is the first board of a new game, or of a
3888 different game than is currently being displayed. */
3889 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3890 relation == RELATION_ISOLATED_BOARD) {
3892 /* Forget the old game and get the history (if any) of the new one */
3893 if (gameMode != BeginningOfGame) {
3897 if (appData.autoRaiseBoard) BoardToTop();
3899 if (gamenum == -1) {
3900 newGameMode = IcsIdle;
3901 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3902 appData.getMoveList && !reqFlag) {
3903 /* Need to get game history */
3904 ics_getting_history = H_REQUESTED;
3905 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3909 /* Initially flip the board to have black on the bottom if playing
3910 black or if the ICS flip flag is set, but let the user change
3911 it with the Flip View button. */
3912 flipView = appData.autoFlipView ?
3913 (newGameMode == IcsPlayingBlack) || ics_flip :
3916 /* Done with values from previous mode; copy in new ones */
3917 gameMode = newGameMode;
3919 ics_gamenum = gamenum;
3920 if (gamenum == gs_gamenum) {
3921 int klen = strlen(gs_kind);
3922 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3923 sprintf(str, "ICS %s", gs_kind);
3924 gameInfo.event = StrSave(str);
3926 gameInfo.event = StrSave("ICS game");
3928 gameInfo.site = StrSave(appData.icsHost);
3929 gameInfo.date = PGNDate();
3930 gameInfo.round = StrSave("-");
3931 gameInfo.white = StrSave(white);
3932 gameInfo.black = StrSave(black);
3933 timeControl = basetime * 60 * 1000;
3935 timeIncrement = increment * 1000;
3936 movesPerSession = 0;
3937 gameInfo.timeControl = TimeControlTagValue();
3938 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3939 if (appData.debugMode) {
3940 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3941 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3942 setbuf(debugFP, NULL);
3945 gameInfo.outOfBook = NULL;
3947 /* Do we have the ratings? */
3948 if (strcmp(player1Name, white) == 0 &&
3949 strcmp(player2Name, black) == 0) {
3950 if (appData.debugMode)
3951 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3952 player1Rating, player2Rating);
3953 gameInfo.whiteRating = player1Rating;
3954 gameInfo.blackRating = player2Rating;
3955 } else if (strcmp(player2Name, white) == 0 &&
3956 strcmp(player1Name, black) == 0) {
3957 if (appData.debugMode)
3958 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3959 player2Rating, player1Rating);
3960 gameInfo.whiteRating = player2Rating;
3961 gameInfo.blackRating = player1Rating;
3963 player1Name[0] = player2Name[0] = NULLCHAR;
3965 /* Silence shouts if requested */
3966 if (appData.quietPlay &&
3967 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3968 SendToICS(ics_prefix);
3969 SendToICS("set shout 0\n");
3973 /* Deal with midgame name changes */
3975 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3976 if (gameInfo.white) free(gameInfo.white);
3977 gameInfo.white = StrSave(white);
3979 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3980 if (gameInfo.black) free(gameInfo.black);
3981 gameInfo.black = StrSave(black);
3985 /* Throw away game result if anything actually changes in examine mode */
3986 if (gameMode == IcsExamining && !newGame) {
3987 gameInfo.result = GameUnfinished;
3988 if (gameInfo.resultDetails != NULL) {
3989 free(gameInfo.resultDetails);
3990 gameInfo.resultDetails = NULL;
3994 /* In pausing && IcsExamining mode, we ignore boards coming
3995 in if they are in a different variation than we are. */
3996 if (pauseExamInvalid) return;
3997 if (pausing && gameMode == IcsExamining) {
3998 if (moveNum <= pauseExamForwardMostMove) {
3999 pauseExamInvalid = TRUE;
4000 forwardMostMove = pauseExamForwardMostMove;
4005 if (appData.debugMode) {
4006 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4008 /* Parse the board */
4009 for (k = 0; k < ranks; k++) {
4010 for (j = 0; j < files; j++)
4011 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4012 if(gameInfo.holdingsWidth > 1) {
4013 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4014 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4017 CopyBoard(boards[moveNum], board);
4018 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4020 startedFromSetupPosition =
4021 !CompareBoards(board, initialPosition);
4022 if(startedFromSetupPosition)
4023 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4026 /* [HGM] Set castling rights. Take the outermost Rooks,
4027 to make it also work for FRC opening positions. Note that board12
4028 is really defective for later FRC positions, as it has no way to
4029 indicate which Rook can castle if they are on the same side of King.
4030 For the initial position we grant rights to the outermost Rooks,
4031 and remember thos rights, and we then copy them on positions
4032 later in an FRC game. This means WB might not recognize castlings with
4033 Rooks that have moved back to their original position as illegal,
4034 but in ICS mode that is not its job anyway.
4036 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4037 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4039 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4040 if(board[0][i] == WhiteRook) j = i;
4041 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4042 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4043 if(board[0][i] == WhiteRook) j = i;
4044 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4045 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4046 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4047 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4048 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4049 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4050 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4052 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4053 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4054 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4055 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4056 if(board[BOARD_HEIGHT-1][k] == bKing)
4057 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4058 if(gameInfo.variant == VariantTwoKings) {
4059 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4060 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4061 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4064 r = boards[moveNum][CASTLING][0] = initialRights[0];
4065 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4066 r = boards[moveNum][CASTLING][1] = initialRights[1];
4067 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4068 r = boards[moveNum][CASTLING][3] = initialRights[3];
4069 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4070 r = boards[moveNum][CASTLING][4] = initialRights[4];
4071 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4072 /* wildcastle kludge: always assume King has rights */
4073 r = boards[moveNum][CASTLING][2] = initialRights[2];
4074 r = boards[moveNum][CASTLING][5] = initialRights[5];
4076 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4077 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4080 if (ics_getting_history == H_GOT_REQ_HEADER ||
4081 ics_getting_history == H_GOT_UNREQ_HEADER) {
4082 /* This was an initial position from a move list, not
4083 the current position */
4087 /* Update currentMove and known move number limits */
4088 newMove = newGame || moveNum > forwardMostMove;
4091 forwardMostMove = backwardMostMove = currentMove = moveNum;
4092 if (gameMode == IcsExamining && moveNum == 0) {
4093 /* Workaround for ICS limitation: we are not told the wild
4094 type when starting to examine a game. But if we ask for
4095 the move list, the move list header will tell us */
4096 ics_getting_history = H_REQUESTED;
4097 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4100 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4101 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4103 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4104 /* [HGM] applied this also to an engine that is silently watching */
4105 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4106 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4107 gameInfo.variant == currentlyInitializedVariant) {
4108 takeback = forwardMostMove - moveNum;
4109 for (i = 0; i < takeback; i++) {
4110 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4111 SendToProgram("undo\n", &first);
4116 forwardMostMove = moveNum;
4117 if (!pausing || currentMove > forwardMostMove)
4118 currentMove = forwardMostMove;
4120 /* New part of history that is not contiguous with old part */
4121 if (pausing && gameMode == IcsExamining) {
4122 pauseExamInvalid = TRUE;
4123 forwardMostMove = pauseExamForwardMostMove;
4126 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4128 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4129 // [HGM] when we will receive the move list we now request, it will be
4130 // fed to the engine from the first move on. So if the engine is not
4131 // in the initial position now, bring it there.
4132 InitChessProgram(&first, 0);
4135 ics_getting_history = H_REQUESTED;
4136 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4139 forwardMostMove = backwardMostMove = currentMove = moveNum;
4142 /* Update the clocks */
4143 if (strchr(elapsed_time, '.')) {
4145 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4146 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4148 /* Time is in seconds */
4149 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4150 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4155 if (appData.zippyPlay && newGame &&
4156 gameMode != IcsObserving && gameMode != IcsIdle &&
4157 gameMode != IcsExamining)
4158 ZippyFirstBoard(moveNum, basetime, increment);
4161 /* Put the move on the move list, first converting
4162 to canonical algebraic form. */
4164 if (appData.debugMode) {
4165 if (appData.debugMode) { int f = forwardMostMove;
4166 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4167 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4168 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4170 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4171 fprintf(debugFP, "moveNum = %d\n", moveNum);
4172 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4173 setbuf(debugFP, NULL);
4175 if (moveNum <= backwardMostMove) {
4176 /* We don't know what the board looked like before
4178 strcpy(parseList[moveNum - 1], move_str);
4179 strcat(parseList[moveNum - 1], " ");
4180 strcat(parseList[moveNum - 1], elapsed_time);
4181 moveList[moveNum - 1][0] = NULLCHAR;
4182 } else if (strcmp(move_str, "none") == 0) {
4183 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4184 /* Again, we don't know what the board looked like;
4185 this is really the start of the game. */
4186 parseList[moveNum - 1][0] = NULLCHAR;
4187 moveList[moveNum - 1][0] = NULLCHAR;
4188 backwardMostMove = moveNum;
4189 startedFromSetupPosition = TRUE;
4190 fromX = fromY = toX = toY = -1;
4192 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4193 // So we parse the long-algebraic move string in stead of the SAN move
4194 int valid; char buf[MSG_SIZ], *prom;
4196 // str looks something like "Q/a1-a2"; kill the slash
4198 sprintf(buf, "%c%s", str[0], str+2);
4199 else strcpy(buf, str); // might be castling
4200 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4201 strcat(buf, prom); // long move lacks promo specification!
4202 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4203 if(appData.debugMode)
4204 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4205 strcpy(move_str, buf);
4207 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4208 &fromX, &fromY, &toX, &toY, &promoChar)
4209 || ParseOneMove(buf, moveNum - 1, &moveType,
4210 &fromX, &fromY, &toX, &toY, &promoChar);
4211 // end of long SAN patch
4213 (void) CoordsToAlgebraic(boards[moveNum - 1],
4214 PosFlags(moveNum - 1),
4215 fromY, fromX, toY, toX, promoChar,
4216 parseList[moveNum-1]);
4217 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4223 if(gameInfo.variant != VariantShogi)
4224 strcat(parseList[moveNum - 1], "+");
4227 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4228 strcat(parseList[moveNum - 1], "#");
4231 strcat(parseList[moveNum - 1], " ");
4232 strcat(parseList[moveNum - 1], elapsed_time);
4233 /* currentMoveString is set as a side-effect of ParseOneMove */
4234 strcpy(moveList[moveNum - 1], currentMoveString);
4235 strcat(moveList[moveNum - 1], "\n");
4237 /* Move from ICS was illegal!? Punt. */
4238 if (appData.debugMode) {
4239 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4242 strcpy(parseList[moveNum - 1], move_str);
4243 strcat(parseList[moveNum - 1], " ");
4244 strcat(parseList[moveNum - 1], elapsed_time);
4245 moveList[moveNum - 1][0] = NULLCHAR;
4246 fromX = fromY = toX = toY = -1;
4249 if (appData.debugMode) {
4250 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4251 setbuf(debugFP, NULL);
4255 /* Send move to chess program (BEFORE animating it). */
4256 if (appData.zippyPlay && !newGame && newMove &&
4257 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4259 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4260 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4261 if (moveList[moveNum - 1][0] == NULLCHAR) {
4262 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4264 DisplayError(str, 0);
4266 if (first.sendTime) {
4267 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4269 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4270 if (firstMove && !bookHit) {
4272 if (first.useColors) {
4273 SendToProgram(gameMode == IcsPlayingWhite ?
4275 "black\ngo\n", &first);
4277 SendToProgram("go\n", &first);
4279 first.maybeThinking = TRUE;
4282 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4283 if (moveList[moveNum - 1][0] == NULLCHAR) {
4284 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4285 DisplayError(str, 0);
4287 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4288 SendMoveToProgram(moveNum - 1, &first);
4295 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4296 /* If move comes from a remote source, animate it. If it
4297 isn't remote, it will have already been animated. */
4298 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4299 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4301 if (!pausing && appData.highlightLastMove) {
4302 SetHighlights(fromX, fromY, toX, toY);
4306 /* Start the clocks */
4307 whiteFlag = blackFlag = FALSE;
4308 appData.clockMode = !(basetime == 0 && increment == 0);
4310 ics_clock_paused = TRUE;
4312 } else if (ticking == 1) {
4313 ics_clock_paused = FALSE;
4315 if (gameMode == IcsIdle ||
4316 relation == RELATION_OBSERVING_STATIC ||
4317 relation == RELATION_EXAMINING ||
4319 DisplayBothClocks();
4323 /* Display opponents and material strengths */
4324 if (gameInfo.variant != VariantBughouse &&
4325 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4326 if (tinyLayout || smallLayout) {
4327 if(gameInfo.variant == VariantNormal)
4328 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4329 gameInfo.white, white_stren, gameInfo.black, black_stren,
4330 basetime, increment);
4332 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4333 gameInfo.white, white_stren, gameInfo.black, black_stren,
4334 basetime, increment, (int) gameInfo.variant);
4336 if(gameInfo.variant == VariantNormal)
4337 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4338 gameInfo.white, white_stren, gameInfo.black, black_stren,
4339 basetime, increment);
4341 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4342 gameInfo.white, white_stren, gameInfo.black, black_stren,
4343 basetime, increment, VariantName(gameInfo.variant));
4346 if (appData.debugMode) {
4347 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4352 /* Display the board */
4353 if (!pausing && !appData.noGUI) {
4355 if (appData.premove)
4357 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4358 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4359 ClearPremoveHighlights();
4361 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4362 DrawPosition(j, boards[currentMove]);
4364 DisplayMove(moveNum - 1);
4365 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4366 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4367 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4368 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4372 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4374 if(bookHit) { // [HGM] book: simulate book reply
4375 static char bookMove[MSG_SIZ]; // a bit generous?
4377 programStats.nodes = programStats.depth = programStats.time =
4378 programStats.score = programStats.got_only_move = 0;
4379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4381 strcpy(bookMove, "move ");
4382 strcat(bookMove, bookHit);
4383 HandleMachineMove(bookMove, &first);
4392 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4393 ics_getting_history = H_REQUESTED;
4394 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4400 AnalysisPeriodicEvent(force)
4403 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4404 && !force) || !appData.periodicUpdates)
4407 /* Send . command to Crafty to collect stats */
4408 SendToProgram(".\n", &first);
4410 /* Don't send another until we get a response (this makes
4411 us stop sending to old Crafty's which don't understand
4412 the "." command (sending illegal cmds resets node count & time,
4413 which looks bad)) */
4414 programStats.ok_to_send = 0;
4417 void ics_update_width(new_width)
4420 ics_printf("set width %d\n", new_width);
4424 SendMoveToProgram(moveNum, cps)
4426 ChessProgramState *cps;
4430 if (cps->useUsermove) {
4431 SendToProgram("usermove ", cps);
4435 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4436 int len = space - parseList[moveNum];
4437 memcpy(buf, parseList[moveNum], len);
4439 buf[len] = NULLCHAR;
4441 sprintf(buf, "%s\n", parseList[moveNum]);
4443 SendToProgram(buf, cps);
4445 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4446 AlphaRank(moveList[moveNum], 4);
4447 SendToProgram(moveList[moveNum], cps);
4448 AlphaRank(moveList[moveNum], 4); // and back
4450 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4451 * the engine. It would be nice to have a better way to identify castle
4453 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4454 && cps->useOOCastle) {
4455 int fromX = moveList[moveNum][0] - AAA;
4456 int fromY = moveList[moveNum][1] - ONE;
4457 int toX = moveList[moveNum][2] - AAA;
4458 int toY = moveList[moveNum][3] - ONE;
4459 if((boards[moveNum][fromY][fromX] == WhiteKing
4460 && boards[moveNum][toY][toX] == WhiteRook)
4461 || (boards[moveNum][fromY][fromX] == BlackKing
4462 && boards[moveNum][toY][toX] == BlackRook)) {
4463 if(toX > fromX) SendToProgram("O-O\n", cps);
4464 else SendToProgram("O-O-O\n", cps);
4466 else SendToProgram(moveList[moveNum], cps);
4468 else SendToProgram(moveList[moveNum], cps);
4469 /* End of additions by Tord */
4472 /* [HGM] setting up the opening has brought engine in force mode! */
4473 /* Send 'go' if we are in a mode where machine should play. */
4474 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4475 (gameMode == TwoMachinesPlay ||
4477 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4479 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4480 SendToProgram("go\n", cps);
4481 if (appData.debugMode) {
4482 fprintf(debugFP, "(extra)\n");
4485 setboardSpoiledMachineBlack = 0;
4489 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4491 int fromX, fromY, toX, toY;
4493 char user_move[MSG_SIZ];
4497 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4498 (int)moveType, fromX, fromY, toX, toY);
4499 DisplayError(user_move + strlen("say "), 0);
4501 case WhiteKingSideCastle:
4502 case BlackKingSideCastle:
4503 case WhiteQueenSideCastleWild:
4504 case BlackQueenSideCastleWild:
4506 case WhiteHSideCastleFR:
4507 case BlackHSideCastleFR:
4509 sprintf(user_move, "o-o\n");
4511 case WhiteQueenSideCastle:
4512 case BlackQueenSideCastle:
4513 case WhiteKingSideCastleWild:
4514 case BlackKingSideCastleWild:
4516 case WhiteASideCastleFR:
4517 case BlackASideCastleFR:
4519 sprintf(user_move, "o-o-o\n");
4521 case WhitePromotionQueen:
4522 case BlackPromotionQueen:
4523 case WhitePromotionRook:
4524 case BlackPromotionRook:
4525 case WhitePromotionBishop:
4526 case BlackPromotionBishop:
4527 case WhitePromotionKnight:
4528 case BlackPromotionKnight:
4529 case WhitePromotionKing:
4530 case BlackPromotionKing:
4531 case WhitePromotionChancellor:
4532 case BlackPromotionChancellor:
4533 case WhitePromotionArchbishop:
4534 case BlackPromotionArchbishop:
4535 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4536 sprintf(user_move, "%c%c%c%c=%c\n",
4537 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4538 PieceToChar(WhiteFerz));
4539 else if(gameInfo.variant == VariantGreat)
4540 sprintf(user_move, "%c%c%c%c=%c\n",
4541 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4542 PieceToChar(WhiteMan));
4544 sprintf(user_move, "%c%c%c%c=%c\n",
4545 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4546 PieceToChar(PromoPiece(moveType)));
4550 sprintf(user_move, "%c@%c%c\n",
4551 ToUpper(PieceToChar((ChessSquare) fromX)),
4552 AAA + toX, ONE + toY);
4555 case WhiteCapturesEnPassant:
4556 case BlackCapturesEnPassant:
4557 case IllegalMove: /* could be a variant we don't quite understand */
4558 sprintf(user_move, "%c%c%c%c\n",
4559 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4562 SendToICS(user_move);
4563 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4564 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4569 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4570 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4571 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4572 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4573 DisplayError("You cannot do this while you are playing or observing", 0);
4576 if(gameMode != IcsExamining) { // is this ever not the case?
4577 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4579 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4580 sprintf(command, "match %s", ics_handle);
4581 } else { // on FICS we must first go to general examine mode
4582 strcpy(command, "examine\nbsetup"); // and specify variant within it with bsetups
4584 if(gameInfo.variant != VariantNormal) {
4585 // try figure out wild number, as xboard names are not always valid on ICS
4586 for(i=1; i<=36; i++) {
4587 sprintf(buf, "wild/%d", i);
4588 if(StringToVariant(buf) == gameInfo.variant) break;
4590 if(i<=36 && ics_type == ICS_ICC) sprintf(buf, "%s w%d\n", command, i);
4591 else if(i == 22) sprintf(buf, "%s fr\n", command);
4592 else sprintf(buf, "%s %s\n", command, VariantName(gameInfo.variant));
4593 } else sprintf(buf, "%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4594 SendToICS(ics_prefix);
4596 if(startedFromSetupPosition || backwardMostMove != 0) {
4597 fen = PositionToFEN(backwardMostMove, NULL);
4598 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4599 sprintf(buf, "loadfen %s\n", fen);
4601 } else { // FICS: everything has to set by separate bsetup commands
4602 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4603 sprintf(buf, "bsetup fen %s\n", fen);
4605 if(!WhiteOnMove(backwardMostMove)) {
4606 SendToICS("bsetup tomove black\n");
4608 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4609 sprintf(buf, "bsetup wcastle %s\n", castlingStrings[i]);
4611 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4612 sprintf(buf, "bsetup bcastle %s\n", castlingStrings[i]);
4614 i = boards[backwardMostMove][EP_STATUS];
4615 if(i >= 0) { // set e.p.
4616 sprintf(buf, "bsetup eppos %c\n", i+AAA);
4622 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4623 SendToICS("bsetup done\n"); // switch to normal examining.
4625 for(i = backwardMostMove; i<last; i++) {
4627 sprintf(buf, "%s\n", parseList[i]);
4630 SendToICS(ics_prefix);
4631 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4635 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4640 if (rf == DROP_RANK) {
4641 sprintf(move, "%c@%c%c\n",
4642 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4644 if (promoChar == 'x' || promoChar == NULLCHAR) {
4645 sprintf(move, "%c%c%c%c\n",
4646 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4648 sprintf(move, "%c%c%c%c%c\n",
4649 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4655 ProcessICSInitScript(f)
4660 while (fgets(buf, MSG_SIZ, f)) {
4661 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4668 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4670 AlphaRank(char *move, int n)
4672 // char *p = move, c; int x, y;
4674 if (appData.debugMode) {
4675 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4679 move[2]>='0' && move[2]<='9' &&
4680 move[3]>='a' && move[3]<='x' ) {
4682 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4683 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4685 if(move[0]>='0' && move[0]<='9' &&
4686 move[1]>='a' && move[1]<='x' &&
4687 move[2]>='0' && move[2]<='9' &&
4688 move[3]>='a' && move[3]<='x' ) {
4689 /* input move, Shogi -> normal */
4690 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4691 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4692 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4693 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4696 move[3]>='0' && move[3]<='9' &&
4697 move[2]>='a' && move[2]<='x' ) {
4699 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4700 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4703 move[0]>='a' && move[0]<='x' &&
4704 move[3]>='0' && move[3]<='9' &&
4705 move[2]>='a' && move[2]<='x' ) {
4706 /* output move, normal -> Shogi */
4707 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4708 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4709 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4710 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4711 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4713 if (appData.debugMode) {
4714 fprintf(debugFP, " out = '%s'\n", move);
4718 /* Parser for moves from gnuchess, ICS, or user typein box */
4720 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4723 ChessMove *moveType;
4724 int *fromX, *fromY, *toX, *toY;
4727 if (appData.debugMode) {
4728 fprintf(debugFP, "move to parse: %s\n", move);
4730 *moveType = yylexstr(moveNum, move);
4732 switch (*moveType) {
4733 case WhitePromotionChancellor:
4734 case BlackPromotionChancellor:
4735 case WhitePromotionArchbishop:
4736 case BlackPromotionArchbishop:
4737 case WhitePromotionQueen:
4738 case BlackPromotionQueen:
4739 case WhitePromotionRook:
4740 case BlackPromotionRook:
4741 case WhitePromotionBishop:
4742 case BlackPromotionBishop:
4743 case WhitePromotionKnight:
4744 case BlackPromotionKnight:
4745 case WhitePromotionKing:
4746 case BlackPromotionKing:
4748 case WhiteCapturesEnPassant:
4749 case BlackCapturesEnPassant:
4750 case WhiteKingSideCastle:
4751 case WhiteQueenSideCastle:
4752 case BlackKingSideCastle:
4753 case BlackQueenSideCastle:
4754 case WhiteKingSideCastleWild:
4755 case WhiteQueenSideCastleWild:
4756 case BlackKingSideCastleWild:
4757 case BlackQueenSideCastleWild:
4758 /* Code added by Tord: */
4759 case WhiteHSideCastleFR:
4760 case WhiteASideCastleFR:
4761 case BlackHSideCastleFR:
4762 case BlackASideCastleFR:
4763 /* End of code added by Tord */
4764 case IllegalMove: /* bug or odd chess variant */
4765 *fromX = currentMoveString[0] - AAA;
4766 *fromY = currentMoveString[1] - ONE;
4767 *toX = currentMoveString[2] - AAA;
4768 *toY = currentMoveString[3] - ONE;
4769 *promoChar = currentMoveString[4];
4770 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4771 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4772 if (appData.debugMode) {
4773 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4775 *fromX = *fromY = *toX = *toY = 0;
4778 if (appData.testLegality) {
4779 return (*moveType != IllegalMove);
4781 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4782 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4787 *fromX = *moveType == WhiteDrop ?
4788 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4789 (int) CharToPiece(ToLower(currentMoveString[0]));
4791 *toX = currentMoveString[2] - AAA;
4792 *toY = currentMoveString[3] - ONE;
4793 *promoChar = NULLCHAR;
4797 case ImpossibleMove:
4798 case (ChessMove) 0: /* end of file */
4807 if (appData.debugMode) {
4808 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4811 *fromX = *fromY = *toX = *toY = 0;
4812 *promoChar = NULLCHAR;
4819 ParsePV(char *pv, Boolean storeComments)
4820 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4821 int fromX, fromY, toX, toY; char promoChar;
4826 endPV = forwardMostMove;
4828 while(*pv == ' ') pv++;
4829 if(nr == 0 && *pv == '(') pv++; // first (ponder) move can be in parentheses
4830 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4831 if(appData.debugMode){
4832 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4834 if(!valid && nr == 0 &&
4835 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4836 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4837 // Hande case where played move is different from leading PV move
4838 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4839 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4840 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4841 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4842 endPV += 2; // if position different, keep this
4843 moveList[endPV-1][0] = fromX + AAA;
4844 moveList[endPV-1][1] = fromY + ONE;
4845 moveList[endPV-1][2] = toX + AAA;
4846 moveList[endPV-1][3] = toY + ONE;
4847 parseList[endPV-1][0] = NULLCHAR;
4848 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4851 if(moveType == Comment) {
4852 // [HGM] vari: try to skip comment
4853 int level = 0; char c, *start = pv, wait = NULLCHAR;
4856 if(*pv == '(') level++; else
4857 if(*pv == ')' && level) level--;
4859 if(*pv == wait) wait = NULLCHAR; else
4860 if(*pv == '{') wait = '}'; else
4861 if(*pv == '[') wait = ']';
4863 } while(*pv && (wait || level));
4865 c = *pv; *pv = NULLCHAR;
4866 AppendComment(endPV, start, FALSE);
4869 valid++; // allow comments in PV
4872 if(sscanf(pv, "%d...", &dummy) == 1 || sscanf(pv, "%d.", &dummy) == 1)
4873 while(*pv && *pv++ != ' '); // skip any move numbers
4874 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4876 if(endPV+1 > framePtr) break; // no space, truncate
4879 CopyBoard(boards[endPV], boards[endPV-1]);
4880 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4881 moveList[endPV-1][0] = fromX + AAA;
4882 moveList[endPV-1][1] = fromY + ONE;
4883 moveList[endPV-1][2] = toX + AAA;
4884 moveList[endPV-1][3] = toY + ONE;
4886 CoordsToAlgebraic(boards[endPV - 1],
4887 PosFlags(endPV - 1),
4888 fromY, fromX, toY, toX, promoChar,
4889 parseList[endPV - 1]);
4891 parseList[endPV-1][0] = NULLCHAR;
4893 currentMove = endPV;
4894 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4895 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4896 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4897 DrawPosition(TRUE, boards[currentMove]);
4900 static int lastX, lastY;
4903 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4907 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4908 lastX = x; lastY = y;
4909 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4911 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4913 while(buf[index] && buf[index] != '\n') index++;
4915 ParsePV(buf+startPV, FALSE);
4916 *start = startPV; *end = index-1;
4921 LoadPV(int x, int y)
4922 { // called on right mouse click to load PV
4923 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4924 lastX = x; lastY = y;
4925 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4932 if(endPV < 0) return;
4934 currentMove = forwardMostMove;
4935 ClearPremoveHighlights();
4936 DrawPosition(TRUE, boards[currentMove]);
4940 MovePV(int x, int y, int h)
4941 { // step through PV based on mouse coordinates (called on mouse move)
4942 int margin = h>>3, step = 0;
4944 if(endPV < 0) return;
4945 // we must somehow check if right button is still down (might be released off board!)
4946 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4947 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4948 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4950 lastX = x; lastY = y;
4951 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4952 currentMove += step;
4953 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4954 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4955 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4956 DrawPosition(FALSE, boards[currentMove]);
4960 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4961 // All positions will have equal probability, but the current method will not provide a unique
4962 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4968 int piecesLeft[(int)BlackPawn];
4969 int seed, nrOfShuffles;
4971 void GetPositionNumber()
4972 { // sets global variable seed
4975 seed = appData.defaultFrcPosition;
4976 if(seed < 0) { // randomize based on time for negative FRC position numbers
4977 for(i=0; i<50; i++) seed += random();
4978 seed = random() ^ random() >> 8 ^ random() << 8;
4979 if(seed<0) seed = -seed;
4983 int put(Board board, int pieceType, int rank, int n, int shade)
4984 // put the piece on the (n-1)-th empty squares of the given shade
4988 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4989 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4990 board[rank][i] = (ChessSquare) pieceType;
4991 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4993 piecesLeft[pieceType]--;
5001 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5002 // calculate where the next piece goes, (any empty square), and put it there
5006 i = seed % squaresLeft[shade];
5007 nrOfShuffles *= squaresLeft[shade];
5008 seed /= squaresLeft[shade];
5009 put(board, pieceType, rank, i, shade);
5012 void AddTwoPieces(Board board, int pieceType, int rank)
5013 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5015 int i, n=squaresLeft[ANY], j=n-1, k;
5017 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5018 i = seed % k; // pick one
5021 while(i >= j) i -= j--;
5022 j = n - 1 - j; i += j;
5023 put(board, pieceType, rank, j, ANY);
5024 put(board, pieceType, rank, i, ANY);
5027 void SetUpShuffle(Board board, int number)
5031 GetPositionNumber(); nrOfShuffles = 1;
5033 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5034 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5035 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5037 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5039 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5040 p = (int) board[0][i];
5041 if(p < (int) BlackPawn) piecesLeft[p] ++;
5042 board[0][i] = EmptySquare;
5045 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5046 // shuffles restricted to allow normal castling put KRR first
5047 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5048 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5049 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5050 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5051 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5052 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5053 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5054 put(board, WhiteRook, 0, 0, ANY);
5055 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5058 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5059 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5060 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5061 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5062 while(piecesLeft[p] >= 2) {
5063 AddOnePiece(board, p, 0, LITE);
5064 AddOnePiece(board, p, 0, DARK);
5066 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5069 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5070 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5071 // but we leave King and Rooks for last, to possibly obey FRC restriction
5072 if(p == (int)WhiteRook) continue;
5073 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5074 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5077 // now everything is placed, except perhaps King (Unicorn) and Rooks
5079 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5080 // Last King gets castling rights
5081 while(piecesLeft[(int)WhiteUnicorn]) {
5082 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5083 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5086 while(piecesLeft[(int)WhiteKing]) {
5087 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5088 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5093 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5094 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5097 // Only Rooks can be left; simply place them all
5098 while(piecesLeft[(int)WhiteRook]) {
5099 i = put(board, WhiteRook, 0, 0, ANY);
5100 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5103 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5105 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5108 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5109 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5112 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5115 int SetCharTable( char *table, const char * map )
5116 /* [HGM] moved here from winboard.c because of its general usefulness */
5117 /* Basically a safe strcpy that uses the last character as King */
5119 int result = FALSE; int NrPieces;
5121 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5122 && NrPieces >= 12 && !(NrPieces&1)) {
5123 int i; /* [HGM] Accept even length from 12 to 34 */
5125 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5126 for( i=0; i<NrPieces/2-1; i++ ) {
5128 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5130 table[(int) WhiteKing] = map[NrPieces/2-1];
5131 table[(int) BlackKing] = map[NrPieces-1];
5139 void Prelude(Board board)
5140 { // [HGM] superchess: random selection of exo-pieces
5141 int i, j, k; ChessSquare p;
5142 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5144 GetPositionNumber(); // use FRC position number
5146 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5147 SetCharTable(pieceToChar, appData.pieceToCharTable);
5148 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5149 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5152 j = seed%4; seed /= 4;
5153 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5154 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5155 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5156 j = seed%3 + (seed%3 >= j); seed /= 3;
5157 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5158 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5159 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5160 j = seed%3; seed /= 3;
5161 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5162 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5163 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5164 j = seed%2 + (seed%2 >= j); seed /= 2;
5165 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5166 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5167 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5168 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5169 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5170 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5171 put(board, exoPieces[0], 0, 0, ANY);
5172 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5176 InitPosition(redraw)
5179 ChessSquare (* pieces)[BOARD_FILES];
5180 int i, j, pawnRow, overrule,
5181 oldx = gameInfo.boardWidth,
5182 oldy = gameInfo.boardHeight,
5183 oldh = gameInfo.holdingsWidth,
5184 oldv = gameInfo.variant;
5186 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5188 /* [AS] Initialize pv info list [HGM] and game status */
5190 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5191 pvInfoList[i].depth = 0;
5192 boards[i][EP_STATUS] = EP_NONE;
5193 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5196 initialRulePlies = 0; /* 50-move counter start */
5198 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5199 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5203 /* [HGM] logic here is completely changed. In stead of full positions */
5204 /* the initialized data only consist of the two backranks. The switch */
5205 /* selects which one we will use, which is than copied to the Board */
5206 /* initialPosition, which for the rest is initialized by Pawns and */
5207 /* empty squares. This initial position is then copied to boards[0], */
5208 /* possibly after shuffling, so that it remains available. */
5210 gameInfo.holdingsWidth = 0; /* default board sizes */
5211 gameInfo.boardWidth = 8;
5212 gameInfo.boardHeight = 8;
5213 gameInfo.holdingsSize = 0;
5214 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5215 for(i=0; i<BOARD_FILES-2; i++)
5216 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5217 initialPosition[EP_STATUS] = EP_NONE;
5218 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5220 switch (gameInfo.variant) {
5221 case VariantFischeRandom:
5222 shuffleOpenings = TRUE;
5226 case VariantShatranj:
5227 pieces = ShatranjArray;
5228 nrCastlingRights = 0;
5229 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5232 pieces = makrukArray;
5233 nrCastlingRights = 0;
5234 startedFromSetupPosition = TRUE;
5235 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5237 case VariantTwoKings:
5238 pieces = twoKingsArray;
5240 case VariantCapaRandom:
5241 shuffleOpenings = TRUE;
5242 case VariantCapablanca:
5243 pieces = CapablancaArray;
5244 gameInfo.boardWidth = 10;
5245 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5248 pieces = GothicArray;
5249 gameInfo.boardWidth = 10;
5250 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5253 pieces = JanusArray;
5254 gameInfo.boardWidth = 10;
5255 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5256 nrCastlingRights = 6;
5257 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5258 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5259 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5260 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5261 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5262 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5265 pieces = FalconArray;
5266 gameInfo.boardWidth = 10;
5267 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5269 case VariantXiangqi:
5270 pieces = XiangqiArray;
5271 gameInfo.boardWidth = 9;
5272 gameInfo.boardHeight = 10;
5273 nrCastlingRights = 0;
5274 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5277 pieces = ShogiArray;
5278 gameInfo.boardWidth = 9;
5279 gameInfo.boardHeight = 9;
5280 gameInfo.holdingsSize = 7;
5281 nrCastlingRights = 0;
5282 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5284 case VariantCourier:
5285 pieces = CourierArray;
5286 gameInfo.boardWidth = 12;
5287 nrCastlingRights = 0;
5288 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5290 case VariantKnightmate:
5291 pieces = KnightmateArray;
5292 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5295 pieces = fairyArray;
5296 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5299 pieces = GreatArray;
5300 gameInfo.boardWidth = 10;
5301 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5302 gameInfo.holdingsSize = 8;
5306 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5307 gameInfo.holdingsSize = 8;
5308 startedFromSetupPosition = TRUE;
5310 case VariantCrazyhouse:
5311 case VariantBughouse:
5313 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5314 gameInfo.holdingsSize = 5;
5316 case VariantWildCastle:
5318 /* !!?shuffle with kings guaranteed to be on d or e file */
5319 shuffleOpenings = 1;
5321 case VariantNoCastle:
5323 nrCastlingRights = 0;
5324 /* !!?unconstrained back-rank shuffle */
5325 shuffleOpenings = 1;
5330 if(appData.NrFiles >= 0) {
5331 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5332 gameInfo.boardWidth = appData.NrFiles;
5334 if(appData.NrRanks >= 0) {
5335 gameInfo.boardHeight = appData.NrRanks;
5337 if(appData.holdingsSize >= 0) {
5338 i = appData.holdingsSize;
5339 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5340 gameInfo.holdingsSize = i;
5342 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5343 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5344 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5346 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5347 if(pawnRow < 1) pawnRow = 1;
5348 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5350 /* User pieceToChar list overrules defaults */
5351 if(appData.pieceToCharTable != NULL)
5352 SetCharTable(pieceToChar, appData.pieceToCharTable);
5354 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5356 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5357 s = (ChessSquare) 0; /* account holding counts in guard band */
5358 for( i=0; i<BOARD_HEIGHT; i++ )
5359 initialPosition[i][j] = s;
5361 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5362 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5363 initialPosition[pawnRow][j] = WhitePawn;
5364 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5365 if(gameInfo.variant == VariantXiangqi) {
5367 initialPosition[pawnRow][j] =
5368 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5369 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5370 initialPosition[2][j] = WhiteCannon;
5371 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5375 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5377 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5380 initialPosition[1][j] = WhiteBishop;
5381 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5383 initialPosition[1][j] = WhiteRook;
5384 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5387 if( nrCastlingRights == -1) {
5388 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5389 /* This sets default castling rights from none to normal corners */
5390 /* Variants with other castling rights must set them themselves above */
5391 nrCastlingRights = 6;
5393 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5394 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5395 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5396 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5397 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5398 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5401 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5402 if(gameInfo.variant == VariantGreat) { // promotion commoners
5403 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5404 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5405 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5406 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5408 if (appData.debugMode) {
5409 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5411 if(shuffleOpenings) {
5412 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5413 startedFromSetupPosition = TRUE;
5415 if(startedFromPositionFile) {
5416 /* [HGM] loadPos: use PositionFile for every new game */
5417 CopyBoard(initialPosition, filePosition);
5418 for(i=0; i<nrCastlingRights; i++)
5419 initialRights[i] = filePosition[CASTLING][i];
5420 startedFromSetupPosition = TRUE;
5423 CopyBoard(boards[0], initialPosition);
5425 if(oldx != gameInfo.boardWidth ||
5426 oldy != gameInfo.boardHeight ||
5427 oldh != gameInfo.holdingsWidth
5429 || oldv == VariantGothic || // For licensing popups
5430 gameInfo.variant == VariantGothic
5433 || oldv == VariantFalcon ||
5434 gameInfo.variant == VariantFalcon
5437 InitDrawingSizes(-2 ,0);
5440 DrawPosition(TRUE, boards[currentMove]);
5444 SendBoard(cps, moveNum)
5445 ChessProgramState *cps;
5448 char message[MSG_SIZ];
5450 if (cps->useSetboard) {
5451 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5452 sprintf(message, "setboard %s\n", fen);
5453 SendToProgram(message, cps);
5459 /* Kludge to set black to move, avoiding the troublesome and now
5460 * deprecated "black" command.
5462 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5464 SendToProgram("edit\n", cps);
5465 SendToProgram("#\n", cps);
5466 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5467 bp = &boards[moveNum][i][BOARD_LEFT];
5468 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5469 if ((int) *bp < (int) BlackPawn) {
5470 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5472 if(message[0] == '+' || message[0] == '~') {
5473 sprintf(message, "%c%c%c+\n",
5474 PieceToChar((ChessSquare)(DEMOTED *bp)),
5477 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5478 message[1] = BOARD_RGHT - 1 - j + '1';
5479 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5481 SendToProgram(message, cps);
5486 SendToProgram("c\n", cps);
5487 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5488 bp = &boards[moveNum][i][BOARD_LEFT];
5489 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5490 if (((int) *bp != (int) EmptySquare)
5491 && ((int) *bp >= (int) BlackPawn)) {
5492 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5494 if(message[0] == '+' || message[0] == '~') {
5495 sprintf(message, "%c%c%c+\n",
5496 PieceToChar((ChessSquare)(DEMOTED *bp)),
5499 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5500 message[1] = BOARD_RGHT - 1 - j + '1';
5501 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5503 SendToProgram(message, cps);
5508 SendToProgram(".\n", cps);
5510 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5513 static int autoQueen; // [HGM] oneclick
5516 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5518 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5519 /* [HGM] add Shogi promotions */
5520 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5525 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5526 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5528 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5529 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5532 piece = boards[currentMove][fromY][fromX];
5533 if(gameInfo.variant == VariantShogi) {
5534 promotionZoneSize = 3;
5535 highestPromotingPiece = (int)WhiteFerz;
5536 } else if(gameInfo.variant == VariantMakruk) {
5537 promotionZoneSize = 3;
5540 // next weed out all moves that do not touch the promotion zone at all
5541 if((int)piece >= BlackPawn) {
5542 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5544 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5546 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5547 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5550 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5552 // weed out mandatory Shogi promotions
5553 if(gameInfo.variant == VariantShogi) {
5554 if(piece >= BlackPawn) {
5555 if(toY == 0 && piece == BlackPawn ||
5556 toY == 0 && piece == BlackQueen ||
5557 toY <= 1 && piece == BlackKnight) {
5562 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5563 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5564 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5571 // weed out obviously illegal Pawn moves
5572 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5573 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5574 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5575 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5576 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5577 // note we are not allowed to test for valid (non-)capture, due to premove
5580 // we either have a choice what to promote to, or (in Shogi) whether to promote
5581 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5582 *promoChoice = PieceToChar(BlackFerz); // no choice
5585 if(autoQueen) { // predetermined
5586 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5587 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5588 else *promoChoice = PieceToChar(BlackQueen);
5592 // suppress promotion popup on illegal moves that are not premoves
5593 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5594 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5595 if(appData.testLegality && !premove) {
5596 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5597 fromY, fromX, toY, toX, NULLCHAR);
5598 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5599 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5607 InPalace(row, column)
5609 { /* [HGM] for Xiangqi */
5610 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5611 column < (BOARD_WIDTH + 4)/2 &&
5612 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5617 PieceForSquare (x, y)
5621 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5624 return boards[currentMove][y][x];
5628 OKToStartUserMove(x, y)
5631 ChessSquare from_piece;
5634 if (matchMode) return FALSE;
5635 if (gameMode == EditPosition) return TRUE;
5637 if (x >= 0 && y >= 0)
5638 from_piece = boards[currentMove][y][x];
5640 from_piece = EmptySquare;
5642 if (from_piece == EmptySquare) return FALSE;
5644 white_piece = (int)from_piece >= (int)WhitePawn &&
5645 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5648 case PlayFromGameFile:
5650 case TwoMachinesPlay:
5658 case MachinePlaysWhite:
5659 case IcsPlayingBlack:
5660 if (appData.zippyPlay) return FALSE;
5662 DisplayMoveError(_("You are playing Black"));
5667 case MachinePlaysBlack:
5668 case IcsPlayingWhite:
5669 if (appData.zippyPlay) return FALSE;
5671 DisplayMoveError(_("You are playing White"));
5677 if (!white_piece && WhiteOnMove(currentMove)) {
5678 DisplayMoveError(_("It is White's turn"));
5681 if (white_piece && !WhiteOnMove(currentMove)) {
5682 DisplayMoveError(_("It is Black's turn"));
5685 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5686 /* Editing correspondence game history */
5687 /* Could disallow this or prompt for confirmation */
5692 case BeginningOfGame:
5693 if (appData.icsActive) return FALSE;
5694 if (!appData.noChessProgram) {
5696 DisplayMoveError(_("You are playing White"));
5703 if (!white_piece && WhiteOnMove(currentMove)) {
5704 DisplayMoveError(_("It is White's turn"));
5707 if (white_piece && !WhiteOnMove(currentMove)) {
5708 DisplayMoveError(_("It is Black's turn"));
5717 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5718 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5719 && gameMode != AnalyzeFile && gameMode != Training) {
5720 DisplayMoveError(_("Displayed position is not current"));
5727 OnlyMove(int *x, int *y, Boolean captures) {
5728 DisambiguateClosure cl;
5729 if (appData.zippyPlay) return FALSE;
5731 case MachinePlaysBlack:
5732 case IcsPlayingWhite:
5733 case BeginningOfGame:
5734 if(!WhiteOnMove(currentMove)) return FALSE;
5736 case MachinePlaysWhite:
5737 case IcsPlayingBlack:
5738 if(WhiteOnMove(currentMove)) return FALSE;
5743 cl.pieceIn = EmptySquare;
5748 cl.promoCharIn = NULLCHAR;
5749 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5750 if( cl.kind == NormalMove ||
5751 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5752 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5753 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5754 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5761 if(cl.kind != ImpossibleMove) return FALSE;
5762 cl.pieceIn = EmptySquare;
5767 cl.promoCharIn = NULLCHAR;
5768 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5769 if( cl.kind == NormalMove ||
5770 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5771 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5772 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5773 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5778 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5784 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5785 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5786 int lastLoadGameUseList = FALSE;
5787 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5788 ChessMove lastLoadGameStart = (ChessMove) 0;
5791 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5792 int fromX, fromY, toX, toY;
5797 ChessSquare pdown, pup;
5799 /* Check if the user is playing in turn. This is complicated because we
5800 let the user "pick up" a piece before it is his turn. So the piece he
5801 tried to pick up may have been captured by the time he puts it down!
5802 Therefore we use the color the user is supposed to be playing in this
5803 test, not the color of the piece that is currently on the starting
5804 square---except in EditGame mode, where the user is playing both
5805 sides; fortunately there the capture race can't happen. (It can
5806 now happen in IcsExamining mode, but that's just too bad. The user
5807 will get a somewhat confusing message in that case.)
5811 case PlayFromGameFile:
5813 case TwoMachinesPlay:
5817 /* We switched into a game mode where moves are not accepted,
5818 perhaps while the mouse button was down. */
5819 return ImpossibleMove;
5821 case MachinePlaysWhite:
5822 /* User is moving for Black */
5823 if (WhiteOnMove(currentMove)) {
5824 DisplayMoveError(_("It is White's turn"));
5825 return ImpossibleMove;
5829 case MachinePlaysBlack:
5830 /* User is moving for White */
5831 if (!WhiteOnMove(currentMove)) {
5832 DisplayMoveError(_("It is Black's turn"));
5833 return ImpossibleMove;
5839 case BeginningOfGame:
5842 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5843 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5844 /* User is moving for Black */
5845 if (WhiteOnMove(currentMove)) {
5846 DisplayMoveError(_("It is White's turn"));
5847 return ImpossibleMove;
5850 /* User is moving for White */
5851 if (!WhiteOnMove(currentMove)) {
5852 DisplayMoveError(_("It is Black's turn"));
5853 return ImpossibleMove;
5858 case IcsPlayingBlack:
5859 /* User is moving for Black */
5860 if (WhiteOnMove(currentMove)) {
5861 if (!appData.premove) {
5862 DisplayMoveError(_("It is White's turn"));
5863 } else if (toX >= 0 && toY >= 0) {
5866 premoveFromX = fromX;
5867 premoveFromY = fromY;
5868 premovePromoChar = promoChar;
5870 if (appData.debugMode)
5871 fprintf(debugFP, "Got premove: fromX %d,"
5872 "fromY %d, toX %d, toY %d\n",
5873 fromX, fromY, toX, toY);
5875 return ImpossibleMove;
5879 case IcsPlayingWhite:
5880 /* User is moving for White */
5881 if (!WhiteOnMove(currentMove)) {
5882 if (!appData.premove) {
5883 DisplayMoveError(_("It is Black's turn"));
5884 } else if (toX >= 0 && toY >= 0) {
5887 premoveFromX = fromX;
5888 premoveFromY = fromY;
5889 premovePromoChar = promoChar;
5891 if (appData.debugMode)
5892 fprintf(debugFP, "Got premove: fromX %d,"
5893 "fromY %d, toX %d, toY %d\n",
5894 fromX, fromY, toX, toY);
5896 return ImpossibleMove;
5904 /* EditPosition, empty square, or different color piece;
5905 click-click move is possible */
5906 if (toX == -2 || toY == -2) {
5907 boards[0][fromY][fromX] = EmptySquare;
5908 return AmbiguousMove;
5909 } else if (toX >= 0 && toY >= 0) {
5910 boards[0][toY][toX] = boards[0][fromY][fromX];
5911 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5912 if(boards[0][fromY][0] != EmptySquare) {
5913 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5914 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5917 if(fromX == BOARD_RGHT+1) {
5918 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5919 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5920 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5923 boards[0][fromY][fromX] = EmptySquare;
5924 return AmbiguousMove;
5926 return ImpossibleMove;
5929 if(toX < 0 || toY < 0) return ImpossibleMove;
5930 pdown = boards[currentMove][fromY][fromX];
5931 pup = boards[currentMove][toY][toX];
5933 /* [HGM] If move started in holdings, it means a drop */
5934 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5935 if( pup != EmptySquare ) return ImpossibleMove;
5936 if(appData.testLegality) {
5937 /* it would be more logical if LegalityTest() also figured out
5938 * which drops are legal. For now we forbid pawns on back rank.
5939 * Shogi is on its own here...
5941 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5942 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5943 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5945 return WhiteDrop; /* Not needed to specify white or black yet */
5948 /* [HGM] always test for legality, to get promotion info */
5949 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5950 fromY, fromX, toY, toX, promoChar);
5951 /* [HGM] but possibly ignore an IllegalMove result */
5952 if (appData.testLegality) {
5953 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5954 DisplayMoveError(_("Illegal move"));
5955 return ImpossibleMove;
5960 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5961 function is made into one that returns an OK move type if FinishMove
5962 should be called. This to give the calling driver routine the
5963 opportunity to finish the userMove input with a promotion popup,
5964 without bothering the user with this for invalid or illegal moves */
5966 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5969 /* Common tail of UserMoveEvent and DropMenuEvent */
5971 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5973 int fromX, fromY, toX, toY;
5974 /*char*/int promoChar;
5978 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5979 // [HGM] superchess: suppress promotions to non-available piece
5980 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5981 if(WhiteOnMove(currentMove)) {
5982 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5984 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5988 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5989 move type in caller when we know the move is a legal promotion */
5990 if(moveType == NormalMove && promoChar)
5991 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5993 /* [HGM] convert drag-and-drop piece drops to standard form */
5994 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5995 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5996 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5997 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5998 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5999 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6000 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6001 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6005 /* [HGM] <popupFix> The following if has been moved here from
6006 UserMoveEvent(). Because it seemed to belong here (why not allow
6007 piece drops in training games?), and because it can only be
6008 performed after it is known to what we promote. */
6009 if (gameMode == Training) {
6010 /* compare the move played on the board to the next move in the
6011 * game. If they match, display the move and the opponent's response.
6012 * If they don't match, display an error message.
6016 CopyBoard(testBoard, boards[currentMove]);
6017 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6019 if (CompareBoards(testBoard, boards[currentMove+1])) {
6020 ForwardInner(currentMove+1);
6022 /* Autoplay the opponent's response.
6023 * if appData.animate was TRUE when Training mode was entered,
6024 * the response will be animated.
6026 saveAnimate = appData.animate;
6027 appData.animate = animateTraining;
6028 ForwardInner(currentMove+1);
6029 appData.animate = saveAnimate;
6031 /* check for the end of the game */
6032 if (currentMove >= forwardMostMove) {
6033 gameMode = PlayFromGameFile;
6035 SetTrainingModeOff();
6036 DisplayInformation(_("End of game"));
6039 DisplayError(_("Incorrect move"), 0);
6044 /* Ok, now we know that the move is good, so we can kill
6045 the previous line in Analysis Mode */
6046 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6047 && currentMove < forwardMostMove) {
6048 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6051 /* If we need the chess program but it's dead, restart it */
6052 ResurrectChessProgram();
6054 /* A user move restarts a paused game*/
6058 thinkOutput[0] = NULLCHAR;
6060 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6062 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6064 if (gameMode == BeginningOfGame) {
6065 if (appData.noChessProgram) {
6066 gameMode = EditGame;
6070 gameMode = MachinePlaysBlack;
6073 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6075 if (first.sendName) {
6076 sprintf(buf, "name %s\n", gameInfo.white);
6077 SendToProgram(buf, &first);
6084 /* Relay move to ICS or chess engine */
6085 if (appData.icsActive) {
6086 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6087 gameMode == IcsExamining) {
6088 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6089 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6091 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6093 // also send plain move, in case ICS does not understand atomic claims
6094 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6098 if (first.sendTime && (gameMode == BeginningOfGame ||
6099 gameMode == MachinePlaysWhite ||
6100 gameMode == MachinePlaysBlack)) {
6101 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6103 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6104 // [HGM] book: if program might be playing, let it use book
6105 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6106 first.maybeThinking = TRUE;
6107 } else SendMoveToProgram(forwardMostMove-1, &first);
6108 if (currentMove == cmailOldMove + 1) {
6109 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6113 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6117 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6123 if (WhiteOnMove(currentMove)) {
6124 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6126 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6130 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6135 case MachinePlaysBlack:
6136 case MachinePlaysWhite:
6137 /* disable certain menu options while machine is thinking */
6138 SetMachineThinkingEnables();
6145 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6147 if(bookHit) { // [HGM] book: simulate book reply
6148 static char bookMove[MSG_SIZ]; // a bit generous?
6150 programStats.nodes = programStats.depth = programStats.time =
6151 programStats.score = programStats.got_only_move = 0;
6152 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6154 strcpy(bookMove, "move ");
6155 strcat(bookMove, bookHit);
6156 HandleMachineMove(bookMove, &first);
6162 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6163 int fromX, fromY, toX, toY;
6166 /* [HGM] This routine was added to allow calling of its two logical
6167 parts from other modules in the old way. Before, UserMoveEvent()
6168 automatically called FinishMove() if the move was OK, and returned
6169 otherwise. I separated the two, in order to make it possible to
6170 slip a promotion popup in between. But that it always needs two
6171 calls, to the first part, (now called UserMoveTest() ), and to
6172 FinishMove if the first part succeeded. Calls that do not need
6173 to do anything in between, can call this routine the old way.
6175 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6176 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6177 if(moveType == AmbiguousMove)
6178 DrawPosition(FALSE, boards[currentMove]);
6179 else if(moveType != ImpossibleMove && moveType != Comment)
6180 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6184 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6191 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6192 Markers *m = (Markers *) closure;
6193 if(rf == fromY && ff == fromX)
6194 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6195 || kind == WhiteCapturesEnPassant
6196 || kind == BlackCapturesEnPassant);
6197 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6201 MarkTargetSquares(int clear)
6204 if(!appData.markers || !appData.highlightDragging ||
6205 !appData.testLegality || gameMode == EditPosition) return;
6207 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6210 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6211 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6212 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6214 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6217 DrawPosition(TRUE, NULL);
6220 void LeftClick(ClickType clickType, int xPix, int yPix)
6223 Boolean saveAnimate;
6224 static int second = 0, promotionChoice = 0;
6225 char promoChoice = NULLCHAR;
6227 if(appData.seekGraph && appData.icsActive && loggedOn &&
6228 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6229 SeekGraphClick(clickType, xPix, yPix, 0);
6233 if (clickType == Press) ErrorPopDown();
6234 MarkTargetSquares(1);
6236 x = EventToSquare(xPix, BOARD_WIDTH);
6237 y = EventToSquare(yPix, BOARD_HEIGHT);
6238 if (!flipView && y >= 0) {
6239 y = BOARD_HEIGHT - 1 - y;
6241 if (flipView && x >= 0) {
6242 x = BOARD_WIDTH - 1 - x;
6245 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6246 if(clickType == Release) return; // ignore upclick of click-click destination
6247 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6248 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6249 if(gameInfo.holdingsWidth &&
6250 (WhiteOnMove(currentMove)
6251 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6252 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6253 // click in right holdings, for determining promotion piece
6254 ChessSquare p = boards[currentMove][y][x];
6255 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6256 if(p != EmptySquare) {
6257 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6262 DrawPosition(FALSE, boards[currentMove]);
6266 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6267 if(clickType == Press
6268 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6269 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6270 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6273 autoQueen = appData.alwaysPromoteToQueen;
6276 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6277 if (clickType == Press) {
6279 if (OKToStartUserMove(x, y)) {
6283 MarkTargetSquares(0);
6284 DragPieceBegin(xPix, yPix);
6285 if (appData.highlightDragging) {
6286 SetHighlights(x, y, -1, -1);
6295 if (clickType == Press && gameMode != EditPosition) {
6300 // ignore off-board to clicks
6301 if(y < 0 || x < 0) return;
6303 /* Check if clicking again on the same color piece */
6304 fromP = boards[currentMove][fromY][fromX];
6305 toP = boards[currentMove][y][x];
6306 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6307 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6308 WhitePawn <= toP && toP <= WhiteKing &&
6309 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6310 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6311 (BlackPawn <= fromP && fromP <= BlackKing &&
6312 BlackPawn <= toP && toP <= BlackKing &&
6313 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6314 !(fromP == BlackKing && toP == BlackRook && frc))) {
6315 /* Clicked again on same color piece -- changed his mind */
6316 second = (x == fromX && y == fromY);
6317 if(!second || !OnlyMove(&x, &y, TRUE)) {
6318 if (appData.highlightDragging) {
6319 SetHighlights(x, y, -1, -1);
6323 if (OKToStartUserMove(x, y)) {
6326 MarkTargetSquares(0);
6327 DragPieceBegin(xPix, yPix);
6332 // ignore clicks on holdings
6333 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6336 if (clickType == Release && x == fromX && y == fromY) {
6337 DragPieceEnd(xPix, yPix);
6338 if (appData.animateDragging) {
6339 /* Undo animation damage if any */
6340 DrawPosition(FALSE, NULL);
6343 /* Second up/down in same square; just abort move */
6348 ClearPremoveHighlights();
6350 /* First upclick in same square; start click-click mode */
6351 SetHighlights(x, y, -1, -1);
6356 /* we now have a different from- and (possibly off-board) to-square */
6357 /* Completed move */
6360 saveAnimate = appData.animate;
6361 if (clickType == Press) {
6362 /* Finish clickclick move */
6363 if (appData.animate || appData.highlightLastMove) {
6364 SetHighlights(fromX, fromY, toX, toY);
6369 /* Finish drag move */
6370 if (appData.highlightLastMove) {
6371 SetHighlights(fromX, fromY, toX, toY);
6375 DragPieceEnd(xPix, yPix);
6376 /* Don't animate move and drag both */
6377 appData.animate = FALSE;
6380 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6381 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6382 ChessSquare piece = boards[currentMove][fromY][fromX];
6383 if(gameMode == EditPosition && piece != EmptySquare &&
6384 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6387 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6388 n = PieceToNumber(piece - (int)BlackPawn);
6389 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6390 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6391 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6393 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6394 n = PieceToNumber(piece);
6395 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6396 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6397 boards[currentMove][n][BOARD_WIDTH-2]++;
6399 boards[currentMove][fromY][fromX] = EmptySquare;
6403 DrawPosition(TRUE, boards[currentMove]);
6407 // off-board moves should not be highlighted
6408 if(x < 0 || x < 0) ClearHighlights();
6410 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6411 SetHighlights(fromX, fromY, toX, toY);
6412 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6413 // [HGM] super: promotion to captured piece selected from holdings
6414 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6415 promotionChoice = TRUE;
6416 // kludge follows to temporarily execute move on display, without promoting yet
6417 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6418 boards[currentMove][toY][toX] = p;
6419 DrawPosition(FALSE, boards[currentMove]);
6420 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6421 boards[currentMove][toY][toX] = q;
6422 DisplayMessage("Click in holdings to choose piece", "");
6427 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6428 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6429 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6432 appData.animate = saveAnimate;
6433 if (appData.animate || appData.animateDragging) {
6434 /* Undo animation damage if needed */
6435 DrawPosition(FALSE, NULL);
6439 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6440 { // front-end-free part taken out of PieceMenuPopup
6441 int whichMenu; int xSqr, ySqr;
6443 if(seekGraphUp) { // [HGM] seekgraph
6444 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6445 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6449 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6450 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6451 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6452 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6456 xSqr = EventToSquare(x, BOARD_WIDTH);
6457 ySqr = EventToSquare(y, BOARD_HEIGHT);
6458 if (action == Release) UnLoadPV(); // [HGM] pv
6459 if (action != Press) return -2; // return code to be ignored
6462 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6464 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6465 if (xSqr < 0 || ySqr < 0) return -1;
\r
6466 whichMenu = 0; // edit-position menu
6469 if(!appData.icsEngineAnalyze) return -1;
6470 case IcsPlayingWhite:
6471 case IcsPlayingBlack:
6472 if(!appData.zippyPlay) goto noZip;
6475 case MachinePlaysWhite:
6476 case MachinePlaysBlack:
6477 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6478 if (!appData.dropMenu) {
6480 return 2; // flag front-end to grab mouse events
6482 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6483 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6486 if (xSqr < 0 || ySqr < 0) return -1;
6487 if (!appData.dropMenu || appData.testLegality &&
6488 gameInfo.variant != VariantBughouse &&
6489 gameInfo.variant != VariantCrazyhouse) return -1;
6490 whichMenu = 1; // drop menu
6496 if (((*fromX = xSqr) < 0) ||
6497 ((*fromY = ySqr) < 0)) {
6498 *fromX = *fromY = -1;
6502 *fromX = BOARD_WIDTH - 1 - *fromX;
6504 *fromY = BOARD_HEIGHT - 1 - *fromY;
6509 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6511 // char * hint = lastHint;
6512 FrontEndProgramStats stats;
6514 stats.which = cps == &first ? 0 : 1;
6515 stats.depth = cpstats->depth;
6516 stats.nodes = cpstats->nodes;
6517 stats.score = cpstats->score;
6518 stats.time = cpstats->time;
6519 stats.pv = cpstats->movelist;
6520 stats.hint = lastHint;
6521 stats.an_move_index = 0;
6522 stats.an_move_count = 0;
6524 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6525 stats.hint = cpstats->move_name;
6526 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6527 stats.an_move_count = cpstats->nr_moves;
6530 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6532 SetProgramStats( &stats );
6536 Adjudicate(ChessProgramState *cps)
6537 { // [HGM] some adjudications useful with buggy engines
6538 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6539 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6540 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6541 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6542 int k, count = 0; static int bare = 1;
6543 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6544 Boolean canAdjudicate = !appData.icsActive;
6546 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6547 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6548 if( appData.testLegality )
6549 { /* [HGM] Some more adjudications for obstinate engines */
6550 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6551 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6552 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6553 static int moveCount = 6;
6555 char *reason = NULL;
6557 /* Count what is on board. */
6558 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6559 { ChessSquare p = boards[forwardMostMove][i][j];
6563 { /* count B,N,R and other of each side */
6566 NrK++; break; // [HGM] atomic: count Kings
6570 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6571 bishopsColor |= 1 << ((i^j)&1);
6576 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6577 bishopsColor |= 1 << ((i^j)&1);
6592 PawnAdvance += m; NrPawns++;
6594 NrPieces += (p != EmptySquare);
6595 NrW += ((int)p < (int)BlackPawn);
6596 if(gameInfo.variant == VariantXiangqi &&
6597 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6598 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6599 NrW -= ((int)p < (int)BlackPawn);
6603 /* Some material-based adjudications that have to be made before stalemate test */
6604 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6605 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6606 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6607 if(canAdjudicate && appData.checkMates) {
6609 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6610 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6611 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6612 "Xboard adjudication: King destroyed", GE_XBOARD );
6617 /* Bare King in Shatranj (loses) or Losers (wins) */
6618 if( NrW == 1 || NrPieces - NrW == 1) {
6619 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6620 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6621 if(canAdjudicate && appData.checkMates) {
6623 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6624 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6625 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6626 "Xboard adjudication: Bare king", GE_XBOARD );
6630 if( gameInfo.variant == VariantShatranj && --bare < 0)
6632 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6633 if(canAdjudicate && appData.checkMates) {
6634 /* but only adjudicate if adjudication enabled */
6636 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6637 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6638 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6639 "Xboard adjudication: Bare king", GE_XBOARD );
6646 // don't wait for engine to announce game end if we can judge ourselves
6647 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6649 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6650 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6651 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6652 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6655 reason = "Xboard adjudication: 3rd check";
6656 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6666 reason = "Xboard adjudication: Stalemate";
6667 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6668 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6669 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6670 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6671 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6672 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6673 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6674 EP_CHECKMATE : EP_WINS);
6675 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6676 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6680 reason = "Xboard adjudication: Checkmate";
6681 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6685 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6687 result = GameIsDrawn; break;
6689 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6691 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6693 result = (ChessMove) 0;
6695 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6697 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6698 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6699 GameEnds( result, reason, GE_XBOARD );
6703 /* Next absolutely insufficient mating material. */
6704 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6705 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6706 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6707 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6708 { /* KBK, KNK, KK of KBKB with like Bishops */
6710 /* always flag draws, for judging claims */
6711 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6713 if(canAdjudicate && appData.materialDraws) {
6714 /* but only adjudicate them if adjudication enabled */
6715 if(engineOpponent) {
6716 SendToProgram("force\n", engineOpponent); // suppress reply
6717 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6719 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6720 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6725 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6727 ( NrWR == 1 && NrBR == 1 /* KRKR */
6728 || NrWQ==1 && NrBQ==1 /* KQKQ */
6729 || NrWN==2 || NrBN==2 /* KNNK */
6730 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6732 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6733 { /* if the first 3 moves do not show a tactical win, declare draw */
6734 if(engineOpponent) {
6735 SendToProgram("force\n", engineOpponent); // suppress reply
6736 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6738 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6739 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6742 } else moveCount = 6;
6746 if (appData.debugMode) { int i;
6747 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6748 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6749 appData.drawRepeats);
6750 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6751 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6755 // Repetition draws and 50-move rule can be applied independently of legality testing
6757 /* Check for rep-draws */
6759 for(k = forwardMostMove-2;
6760 k>=backwardMostMove && k>=forwardMostMove-100 &&
6761 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6762 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6765 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6766 /* compare castling rights */
6767 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6768 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6769 rights++; /* King lost rights, while rook still had them */
6770 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6771 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6772 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6773 rights++; /* but at least one rook lost them */
6775 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6776 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6778 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6779 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6780 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6783 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6784 && appData.drawRepeats > 1) {
6785 /* adjudicate after user-specified nr of repeats */
6786 if(engineOpponent) {
6787 SendToProgram("force\n", engineOpponent); // suppress reply
6788 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6790 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6791 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6792 // [HGM] xiangqi: check for forbidden perpetuals
6793 int m, ourPerpetual = 1, hisPerpetual = 1;
6794 for(m=forwardMostMove; m>k; m-=2) {
6795 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6796 ourPerpetual = 0; // the current mover did not always check
6797 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6798 hisPerpetual = 0; // the opponent did not always check
6800 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6801 ourPerpetual, hisPerpetual);
6802 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6803 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6804 "Xboard adjudication: perpetual checking", GE_XBOARD );
6807 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6808 break; // (or we would have caught him before). Abort repetition-checking loop.
6809 // Now check for perpetual chases
6810 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6811 hisPerpetual = PerpetualChase(k, forwardMostMove);
6812 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6813 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6814 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6815 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6818 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6819 break; // Abort repetition-checking loop.
6821 // if neither of us is checking or chasing all the time, or both are, it is draw
6823 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6826 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6827 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6831 /* Now we test for 50-move draws. Determine ply count */
6832 count = forwardMostMove;
6833 /* look for last irreversble move */
6834 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6836 /* if we hit starting position, add initial plies */
6837 if( count == backwardMostMove )
6838 count -= initialRulePlies;
6839 count = forwardMostMove - count;
6841 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6842 /* this is used to judge if draw claims are legal */
6843 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6844 if(engineOpponent) {
6845 SendToProgram("force\n", engineOpponent); // suppress reply
6846 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6848 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6849 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6853 /* if draw offer is pending, treat it as a draw claim
6854 * when draw condition present, to allow engines a way to
6855 * claim draws before making their move to avoid a race
6856 * condition occurring after their move
6858 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6860 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6861 p = "Draw claim: 50-move rule";
6862 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6863 p = "Draw claim: 3-fold repetition";
6864 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6865 p = "Draw claim: insufficient mating material";
6866 if( p != NULL && canAdjudicate) {
6867 if(engineOpponent) {
6868 SendToProgram("force\n", engineOpponent); // suppress reply
6869 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6871 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 GameEnds( GameIsDrawn, p, GE_XBOARD );
6877 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6878 if(engineOpponent) {
6879 SendToProgram("force\n", engineOpponent); // suppress reply
6880 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6882 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6883 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6889 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6890 { // [HGM] book: this routine intercepts moves to simulate book replies
6891 char *bookHit = NULL;
6893 //first determine if the incoming move brings opponent into his book
6894 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6895 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6896 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6897 if(bookHit != NULL && !cps->bookSuspend) {
6898 // make sure opponent is not going to reply after receiving move to book position
6899 SendToProgram("force\n", cps);
6900 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6902 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6903 // now arrange restart after book miss
6905 // after a book hit we never send 'go', and the code after the call to this routine
6906 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6908 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6909 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6910 SendToProgram(buf, cps);
6911 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6912 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6913 SendToProgram("go\n", cps);
6914 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6915 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6916 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6917 SendToProgram("go\n", cps);
6918 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6920 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6924 ChessProgramState *savedState;
6925 void DeferredBookMove(void)
6927 if(savedState->lastPing != savedState->lastPong)
6928 ScheduleDelayedEvent(DeferredBookMove, 10);
6930 HandleMachineMove(savedMessage, savedState);
6934 HandleMachineMove(message, cps)
6936 ChessProgramState *cps;
6938 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6939 char realname[MSG_SIZ];
6940 int fromX, fromY, toX, toY;
6949 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6951 * Kludge to ignore BEL characters
6953 while (*message == '\007') message++;
6956 * [HGM] engine debug message: ignore lines starting with '#' character
6958 if(cps->debug && *message == '#') return;
6961 * Look for book output
6963 if (cps == &first && bookRequested) {
6964 if (message[0] == '\t' || message[0] == ' ') {
6965 /* Part of the book output is here; append it */
6966 strcat(bookOutput, message);
6967 strcat(bookOutput, " \n");
6969 } else if (bookOutput[0] != NULLCHAR) {
6970 /* All of book output has arrived; display it */
6971 char *p = bookOutput;
6972 while (*p != NULLCHAR) {
6973 if (*p == '\t') *p = ' ';
6976 DisplayInformation(bookOutput);
6977 bookRequested = FALSE;
6978 /* Fall through to parse the current output */
6983 * Look for machine move.
6985 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6986 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6988 /* This method is only useful on engines that support ping */
6989 if (cps->lastPing != cps->lastPong) {
6990 if (gameMode == BeginningOfGame) {
6991 /* Extra move from before last new; ignore */
6992 if (appData.debugMode) {
6993 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6996 if (appData.debugMode) {
6997 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6998 cps->which, gameMode);
7001 SendToProgram("undo\n", cps);
7007 case BeginningOfGame:
7008 /* Extra move from before last reset; ignore */
7009 if (appData.debugMode) {
7010 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7017 /* Extra move after we tried to stop. The mode test is
7018 not a reliable way of detecting this problem, but it's
7019 the best we can do on engines that don't support ping.
7021 if (appData.debugMode) {
7022 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7023 cps->which, gameMode);
7025 SendToProgram("undo\n", cps);
7028 case MachinePlaysWhite:
7029 case IcsPlayingWhite:
7030 machineWhite = TRUE;
7033 case MachinePlaysBlack:
7034 case IcsPlayingBlack:
7035 machineWhite = FALSE;
7038 case TwoMachinesPlay:
7039 machineWhite = (cps->twoMachinesColor[0] == 'w');
7042 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7043 if (appData.debugMode) {
7045 "Ignoring move out of turn by %s, gameMode %d"
7046 ", forwardMost %d\n",
7047 cps->which, gameMode, forwardMostMove);
7052 if (appData.debugMode) { int f = forwardMostMove;
7053 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7054 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7055 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7057 if(cps->alphaRank) AlphaRank(machineMove, 4);
7058 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7059 &fromX, &fromY, &toX, &toY, &promoChar)) {
7060 /* Machine move could not be parsed; ignore it. */
7061 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7062 machineMove, cps->which);
7063 DisplayError(buf1, 0);
7064 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7065 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7066 if (gameMode == TwoMachinesPlay) {
7067 GameEnds(machineWhite ? BlackWins : WhiteWins,
7073 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7074 /* So we have to redo legality test with true e.p. status here, */
7075 /* to make sure an illegal e.p. capture does not slip through, */
7076 /* to cause a forfeit on a justified illegal-move complaint */
7077 /* of the opponent. */
7078 if( gameMode==TwoMachinesPlay && appData.testLegality
7079 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7082 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7083 fromY, fromX, toY, toX, promoChar);
7084 if (appData.debugMode) {
7086 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7087 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7088 fprintf(debugFP, "castling rights\n");
7090 if(moveType == IllegalMove) {
7091 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7092 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7093 GameEnds(machineWhite ? BlackWins : WhiteWins,
7096 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7097 /* [HGM] Kludge to handle engines that send FRC-style castling
7098 when they shouldn't (like TSCP-Gothic) */
7100 case WhiteASideCastleFR:
7101 case BlackASideCastleFR:
7103 currentMoveString[2]++;
7105 case WhiteHSideCastleFR:
7106 case BlackHSideCastleFR:
7108 currentMoveString[2]--;
7110 default: ; // nothing to do, but suppresses warning of pedantic compilers
7113 hintRequested = FALSE;
7114 lastHint[0] = NULLCHAR;
7115 bookRequested = FALSE;
7116 /* Program may be pondering now */
7117 cps->maybeThinking = TRUE;
7118 if (cps->sendTime == 2) cps->sendTime = 1;
7119 if (cps->offeredDraw) cps->offeredDraw--;
7121 /* currentMoveString is set as a side-effect of ParseOneMove */
7122 strcpy(machineMove, currentMoveString);
7123 strcat(machineMove, "\n");
7124 strcpy(moveList[forwardMostMove], machineMove);
7126 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7128 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7129 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7132 while( count < adjudicateLossPlies ) {
7133 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7136 score = -score; /* Flip score for winning side */
7139 if( score > adjudicateLossThreshold ) {
7146 if( count >= adjudicateLossPlies ) {
7147 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7149 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7150 "Xboard adjudication",
7157 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7160 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7162 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7163 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7165 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7167 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7169 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7170 char buf[3*MSG_SIZ];
7172 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7173 programStats.score / 100.,
7175 programStats.time / 100.,
7176 (unsigned int)programStats.nodes,
7177 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7178 programStats.movelist);
7180 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7185 /* [AS] Save move info and clear stats for next move */
7186 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7187 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7188 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7189 ClearProgramStats();
7190 thinkOutput[0] = NULLCHAR;
7191 hiddenThinkOutputState = 0;
7194 if (gameMode == TwoMachinesPlay) {
7195 /* [HGM] relaying draw offers moved to after reception of move */
7196 /* and interpreting offer as claim if it brings draw condition */
7197 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7198 SendToProgram("draw\n", cps->other);
7200 if (cps->other->sendTime) {
7201 SendTimeRemaining(cps->other,
7202 cps->other->twoMachinesColor[0] == 'w');
7204 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7205 if (firstMove && !bookHit) {
7207 if (cps->other->useColors) {
7208 SendToProgram(cps->other->twoMachinesColor, cps->other);
7210 SendToProgram("go\n", cps->other);
7212 cps->other->maybeThinking = TRUE;
7215 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7217 if (!pausing && appData.ringBellAfterMoves) {
7222 * Reenable menu items that were disabled while
7223 * machine was thinking
7225 if (gameMode != TwoMachinesPlay)
7226 SetUserThinkingEnables();
7228 // [HGM] book: after book hit opponent has received move and is now in force mode
7229 // force the book reply into it, and then fake that it outputted this move by jumping
7230 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7232 static char bookMove[MSG_SIZ]; // a bit generous?
7234 strcpy(bookMove, "move ");
7235 strcat(bookMove, bookHit);
7238 programStats.nodes = programStats.depth = programStats.time =
7239 programStats.score = programStats.got_only_move = 0;
7240 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7242 if(cps->lastPing != cps->lastPong) {
7243 savedMessage = message; // args for deferred call
7245 ScheduleDelayedEvent(DeferredBookMove, 10);
7254 /* Set special modes for chess engines. Later something general
7255 * could be added here; for now there is just one kludge feature,
7256 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7257 * when "xboard" is given as an interactive command.
7259 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7260 cps->useSigint = FALSE;
7261 cps->useSigterm = FALSE;
7263 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7264 ParseFeatures(message+8, cps);
7265 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7268 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7269 * want this, I was asked to put it in, and obliged.
7271 if (!strncmp(message, "setboard ", 9)) {
7272 Board initial_position;
7274 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7276 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7277 DisplayError(_("Bad FEN received from engine"), 0);
7281 CopyBoard(boards[0], initial_position);
7282 initialRulePlies = FENrulePlies;
7283 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7284 else gameMode = MachinePlaysBlack;
7285 DrawPosition(FALSE, boards[currentMove]);
7291 * Look for communication commands
7293 if (!strncmp(message, "telluser ", 9)) {
7294 DisplayNote(message + 9);
7297 if (!strncmp(message, "tellusererror ", 14)) {
7299 DisplayError(message + 14, 0);
7302 if (!strncmp(message, "tellopponent ", 13)) {
7303 if (appData.icsActive) {
7305 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7309 DisplayNote(message + 13);
7313 if (!strncmp(message, "tellothers ", 11)) {
7314 if (appData.icsActive) {
7316 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7322 if (!strncmp(message, "tellall ", 8)) {
7323 if (appData.icsActive) {
7325 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7329 DisplayNote(message + 8);
7333 if (strncmp(message, "warning", 7) == 0) {
7334 /* Undocumented feature, use tellusererror in new code */
7335 DisplayError(message, 0);
7338 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7339 strcpy(realname, cps->tidy);
7340 strcat(realname, " query");
7341 AskQuestion(realname, buf2, buf1, cps->pr);
7344 /* Commands from the engine directly to ICS. We don't allow these to be
7345 * sent until we are logged on. Crafty kibitzes have been known to
7346 * interfere with the login process.
7349 if (!strncmp(message, "tellics ", 8)) {
7350 SendToICS(message + 8);
7354 if (!strncmp(message, "tellicsnoalias ", 15)) {
7355 SendToICS(ics_prefix);
7356 SendToICS(message + 15);
7360 /* The following are for backward compatibility only */
7361 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7362 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7363 SendToICS(ics_prefix);
7369 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7373 * If the move is illegal, cancel it and redraw the board.
7374 * Also deal with other error cases. Matching is rather loose
7375 * here to accommodate engines written before the spec.
7377 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7378 strncmp(message, "Error", 5) == 0) {
7379 if (StrStr(message, "name") ||
7380 StrStr(message, "rating") || StrStr(message, "?") ||
7381 StrStr(message, "result") || StrStr(message, "board") ||
7382 StrStr(message, "bk") || StrStr(message, "computer") ||
7383 StrStr(message, "variant") || StrStr(message, "hint") ||
7384 StrStr(message, "random") || StrStr(message, "depth") ||
7385 StrStr(message, "accepted")) {
7388 if (StrStr(message, "protover")) {
7389 /* Program is responding to input, so it's apparently done
7390 initializing, and this error message indicates it is
7391 protocol version 1. So we don't need to wait any longer
7392 for it to initialize and send feature commands. */
7393 FeatureDone(cps, 1);
7394 cps->protocolVersion = 1;
7397 cps->maybeThinking = FALSE;
7399 if (StrStr(message, "draw")) {
7400 /* Program doesn't have "draw" command */
7401 cps->sendDrawOffers = 0;
7404 if (cps->sendTime != 1 &&
7405 (StrStr(message, "time") || StrStr(message, "otim"))) {
7406 /* Program apparently doesn't have "time" or "otim" command */
7410 if (StrStr(message, "analyze")) {
7411 cps->analysisSupport = FALSE;
7412 cps->analyzing = FALSE;
7414 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7415 DisplayError(buf2, 0);
7418 if (StrStr(message, "(no matching move)st")) {
7419 /* Special kludge for GNU Chess 4 only */
7420 cps->stKludge = TRUE;
7421 SendTimeControl(cps, movesPerSession, timeControl,
7422 timeIncrement, appData.searchDepth,
7426 if (StrStr(message, "(no matching move)sd")) {
7427 /* Special kludge for GNU Chess 4 only */
7428 cps->sdKludge = TRUE;
7429 SendTimeControl(cps, movesPerSession, timeControl,
7430 timeIncrement, appData.searchDepth,
7434 if (!StrStr(message, "llegal")) {
7437 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7438 gameMode == IcsIdle) return;
7439 if (forwardMostMove <= backwardMostMove) return;
7440 if (pausing) PauseEvent();
7441 if(appData.forceIllegal) {
7442 // [HGM] illegal: machine refused move; force position after move into it
7443 SendToProgram("force\n", cps);
7444 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7445 // we have a real problem now, as SendBoard will use the a2a3 kludge
7446 // when black is to move, while there might be nothing on a2 or black
7447 // might already have the move. So send the board as if white has the move.
7448 // But first we must change the stm of the engine, as it refused the last move
7449 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7450 if(WhiteOnMove(forwardMostMove)) {
7451 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7452 SendBoard(cps, forwardMostMove); // kludgeless board
7454 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7455 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7456 SendBoard(cps, forwardMostMove+1); // kludgeless board
7458 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7459 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7460 gameMode == TwoMachinesPlay)
7461 SendToProgram("go\n", cps);
7464 if (gameMode == PlayFromGameFile) {
7465 /* Stop reading this game file */
7466 gameMode = EditGame;
7469 currentMove = forwardMostMove-1;
7470 DisplayMove(currentMove-1); /* before DisplayMoveError */
7471 SwitchClocks(forwardMostMove-1); // [HGM] race
7472 DisplayBothClocks();
7473 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7474 parseList[currentMove], cps->which);
7475 DisplayMoveError(buf1);
7476 DrawPosition(FALSE, boards[currentMove]);
7478 /* [HGM] illegal-move claim should forfeit game when Xboard */
7479 /* only passes fully legal moves */
7480 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7481 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7482 "False illegal-move claim", GE_XBOARD );
7486 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7487 /* Program has a broken "time" command that
7488 outputs a string not ending in newline.
7494 * If chess program startup fails, exit with an error message.
7495 * Attempts to recover here are futile.
7497 if ((StrStr(message, "unknown host") != NULL)
7498 || (StrStr(message, "No remote directory") != NULL)
7499 || (StrStr(message, "not found") != NULL)
7500 || (StrStr(message, "No such file") != NULL)
7501 || (StrStr(message, "can't alloc") != NULL)
7502 || (StrStr(message, "Permission denied") != NULL)) {
7504 cps->maybeThinking = FALSE;
7505 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7506 cps->which, cps->program, cps->host, message);
7507 RemoveInputSource(cps->isr);
7508 DisplayFatalError(buf1, 0, 1);
7513 * Look for hint output
7515 if (sscanf(message, "Hint: %s", buf1) == 1) {
7516 if (cps == &first && hintRequested) {
7517 hintRequested = FALSE;
7518 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7519 &fromX, &fromY, &toX, &toY, &promoChar)) {
7520 (void) CoordsToAlgebraic(boards[forwardMostMove],
7521 PosFlags(forwardMostMove),
7522 fromY, fromX, toY, toX, promoChar, buf1);
7523 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7524 DisplayInformation(buf2);
7526 /* Hint move could not be parsed!? */
7527 snprintf(buf2, sizeof(buf2),
7528 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7530 DisplayError(buf2, 0);
7533 strcpy(lastHint, buf1);
7539 * Ignore other messages if game is not in progress
7541 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7542 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7545 * look for win, lose, draw, or draw offer
7547 if (strncmp(message, "1-0", 3) == 0) {
7548 char *p, *q, *r = "";
7549 p = strchr(message, '{');
7557 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7559 } else if (strncmp(message, "0-1", 3) == 0) {
7560 char *p, *q, *r = "";
7561 p = strchr(message, '{');
7569 /* Kludge for Arasan 4.1 bug */
7570 if (strcmp(r, "Black resigns") == 0) {
7571 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7574 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7576 } else if (strncmp(message, "1/2", 3) == 0) {
7577 char *p, *q, *r = "";
7578 p = strchr(message, '{');
7587 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7590 } else if (strncmp(message, "White resign", 12) == 0) {
7591 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7593 } else if (strncmp(message, "Black resign", 12) == 0) {
7594 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7596 } else if (strncmp(message, "White matches", 13) == 0 ||
7597 strncmp(message, "Black matches", 13) == 0 ) {
7598 /* [HGM] ignore GNUShogi noises */
7600 } else if (strncmp(message, "White", 5) == 0 &&
7601 message[5] != '(' &&
7602 StrStr(message, "Black") == NULL) {
7603 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7605 } else if (strncmp(message, "Black", 5) == 0 &&
7606 message[5] != '(') {
7607 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7609 } else if (strcmp(message, "resign") == 0 ||
7610 strcmp(message, "computer resigns") == 0) {
7612 case MachinePlaysBlack:
7613 case IcsPlayingBlack:
7614 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7616 case MachinePlaysWhite:
7617 case IcsPlayingWhite:
7618 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7620 case TwoMachinesPlay:
7621 if (cps->twoMachinesColor[0] == 'w')
7622 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7624 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7631 } else if (strncmp(message, "opponent mates", 14) == 0) {
7633 case MachinePlaysBlack:
7634 case IcsPlayingBlack:
7635 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7637 case MachinePlaysWhite:
7638 case IcsPlayingWhite:
7639 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7641 case TwoMachinesPlay:
7642 if (cps->twoMachinesColor[0] == 'w')
7643 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7645 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7652 } else if (strncmp(message, "computer mates", 14) == 0) {
7654 case MachinePlaysBlack:
7655 case IcsPlayingBlack:
7656 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7658 case MachinePlaysWhite:
7659 case IcsPlayingWhite:
7660 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7662 case TwoMachinesPlay:
7663 if (cps->twoMachinesColor[0] == 'w')
7664 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7666 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7673 } else if (strncmp(message, "checkmate", 9) == 0) {
7674 if (WhiteOnMove(forwardMostMove)) {
7675 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7677 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7680 } else if (strstr(message, "Draw") != NULL ||
7681 strstr(message, "game is a draw") != NULL) {
7682 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7684 } else if (strstr(message, "offer") != NULL &&
7685 strstr(message, "draw") != NULL) {
7687 if (appData.zippyPlay && first.initDone) {
7688 /* Relay offer to ICS */
7689 SendToICS(ics_prefix);
7690 SendToICS("draw\n");
7693 cps->offeredDraw = 2; /* valid until this engine moves twice */
7694 if (gameMode == TwoMachinesPlay) {
7695 if (cps->other->offeredDraw) {
7696 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7697 /* [HGM] in two-machine mode we delay relaying draw offer */
7698 /* until after we also have move, to see if it is really claim */
7700 } else if (gameMode == MachinePlaysWhite ||
7701 gameMode == MachinePlaysBlack) {
7702 if (userOfferedDraw) {
7703 DisplayInformation(_("Machine accepts your draw offer"));
7704 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7706 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7713 * Look for thinking output
7715 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7716 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7718 int plylev, mvleft, mvtot, curscore, time;
7719 char mvname[MOVE_LEN];
7723 int prefixHint = FALSE;
7724 mvname[0] = NULLCHAR;
7727 case MachinePlaysBlack:
7728 case IcsPlayingBlack:
7729 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7731 case MachinePlaysWhite:
7732 case IcsPlayingWhite:
7733 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7738 case IcsObserving: /* [DM] icsEngineAnalyze */
7739 if (!appData.icsEngineAnalyze) ignore = TRUE;
7741 case TwoMachinesPlay:
7742 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7753 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7754 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7756 if (plyext != ' ' && plyext != '\t') {
7760 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7761 if( cps->scoreIsAbsolute &&
7762 ( gameMode == MachinePlaysBlack ||
7763 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7764 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7765 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7766 !WhiteOnMove(currentMove)
7769 curscore = -curscore;
7773 programStats.depth = plylev;
7774 programStats.nodes = nodes;
7775 programStats.time = time;
7776 programStats.score = curscore;
7777 programStats.got_only_move = 0;
7779 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7782 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7783 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7784 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7785 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7786 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7787 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7788 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7789 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7792 /* Buffer overflow protection */
7793 if (buf1[0] != NULLCHAR) {
7794 if (strlen(buf1) >= sizeof(programStats.movelist)
7795 && appData.debugMode) {
7797 "PV is too long; using the first %u bytes.\n",
7798 (unsigned) sizeof(programStats.movelist) - 1);
7801 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7803 sprintf(programStats.movelist, " no PV\n");
7806 if (programStats.seen_stat) {
7807 programStats.ok_to_send = 1;
7810 if (strchr(programStats.movelist, '(') != NULL) {
7811 programStats.line_is_book = 1;
7812 programStats.nr_moves = 0;
7813 programStats.moves_left = 0;
7815 programStats.line_is_book = 0;
7818 SendProgramStatsToFrontend( cps, &programStats );
7821 [AS] Protect the thinkOutput buffer from overflow... this
7822 is only useful if buf1 hasn't overflowed first!
7824 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7826 (gameMode == TwoMachinesPlay ?
7827 ToUpper(cps->twoMachinesColor[0]) : ' '),
7828 ((double) curscore) / 100.0,
7829 prefixHint ? lastHint : "",
7830 prefixHint ? " " : "" );
7832 if( buf1[0] != NULLCHAR ) {
7833 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7835 if( strlen(buf1) > max_len ) {
7836 if( appData.debugMode) {
7837 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7839 buf1[max_len+1] = '\0';
7842 strcat( thinkOutput, buf1 );
7845 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7846 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7847 DisplayMove(currentMove - 1);
7851 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7852 /* crafty (9.25+) says "(only move) <move>"
7853 * if there is only 1 legal move
7855 sscanf(p, "(only move) %s", buf1);
7856 sprintf(thinkOutput, "%s (only move)", buf1);
7857 sprintf(programStats.movelist, "%s (only move)", buf1);
7858 programStats.depth = 1;
7859 programStats.nr_moves = 1;
7860 programStats.moves_left = 1;
7861 programStats.nodes = 1;
7862 programStats.time = 1;
7863 programStats.got_only_move = 1;
7865 /* Not really, but we also use this member to
7866 mean "line isn't going to change" (Crafty
7867 isn't searching, so stats won't change) */
7868 programStats.line_is_book = 1;
7870 SendProgramStatsToFrontend( cps, &programStats );
7872 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7873 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7874 DisplayMove(currentMove - 1);
7877 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7878 &time, &nodes, &plylev, &mvleft,
7879 &mvtot, mvname) >= 5) {
7880 /* The stat01: line is from Crafty (9.29+) in response
7881 to the "." command */
7882 programStats.seen_stat = 1;
7883 cps->maybeThinking = TRUE;
7885 if (programStats.got_only_move || !appData.periodicUpdates)
7888 programStats.depth = plylev;
7889 programStats.time = time;
7890 programStats.nodes = nodes;
7891 programStats.moves_left = mvleft;
7892 programStats.nr_moves = mvtot;
7893 strcpy(programStats.move_name, mvname);
7894 programStats.ok_to_send = 1;
7895 programStats.movelist[0] = '\0';
7897 SendProgramStatsToFrontend( cps, &programStats );
7901 } else if (strncmp(message,"++",2) == 0) {
7902 /* Crafty 9.29+ outputs this */
7903 programStats.got_fail = 2;
7906 } else if (strncmp(message,"--",2) == 0) {
7907 /* Crafty 9.29+ outputs this */
7908 programStats.got_fail = 1;
7911 } else if (thinkOutput[0] != NULLCHAR &&
7912 strncmp(message, " ", 4) == 0) {
7913 unsigned message_len;
7916 while (*p && *p == ' ') p++;
7918 message_len = strlen( p );
7920 /* [AS] Avoid buffer overflow */
7921 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7922 strcat(thinkOutput, " ");
7923 strcat(thinkOutput, p);
7926 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7927 strcat(programStats.movelist, " ");
7928 strcat(programStats.movelist, p);
7931 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7932 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7933 DisplayMove(currentMove - 1);
7941 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7942 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7944 ChessProgramStats cpstats;
7946 if (plyext != ' ' && plyext != '\t') {
7950 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7951 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7952 curscore = -curscore;
7955 cpstats.depth = plylev;
7956 cpstats.nodes = nodes;
7957 cpstats.time = time;
7958 cpstats.score = curscore;
7959 cpstats.got_only_move = 0;
7960 cpstats.movelist[0] = '\0';
7962 if (buf1[0] != NULLCHAR) {
7963 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7966 cpstats.ok_to_send = 0;
7967 cpstats.line_is_book = 0;
7968 cpstats.nr_moves = 0;
7969 cpstats.moves_left = 0;
7971 SendProgramStatsToFrontend( cps, &cpstats );
7978 /* Parse a game score from the character string "game", and
7979 record it as the history of the current game. The game
7980 score is NOT assumed to start from the standard position.
7981 The display is not updated in any way.
7984 ParseGameHistory(game)
7988 int fromX, fromY, toX, toY, boardIndex;
7993 if (appData.debugMode)
7994 fprintf(debugFP, "Parsing game history: %s\n", game);
7996 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7997 gameInfo.site = StrSave(appData.icsHost);
7998 gameInfo.date = PGNDate();
7999 gameInfo.round = StrSave("-");
8001 /* Parse out names of players */
8002 while (*game == ' ') game++;
8004 while (*game != ' ') *p++ = *game++;
8006 gameInfo.white = StrSave(buf);
8007 while (*game == ' ') game++;
8009 while (*game != ' ' && *game != '\n') *p++ = *game++;
8011 gameInfo.black = StrSave(buf);
8014 boardIndex = blackPlaysFirst ? 1 : 0;
8017 yyboardindex = boardIndex;
8018 moveType = (ChessMove) yylex();
8020 case IllegalMove: /* maybe suicide chess, etc. */
8021 if (appData.debugMode) {
8022 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8023 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8024 setbuf(debugFP, NULL);
8026 case WhitePromotionChancellor:
8027 case BlackPromotionChancellor:
8028 case WhitePromotionArchbishop:
8029 case BlackPromotionArchbishop:
8030 case WhitePromotionQueen:
8031 case BlackPromotionQueen:
8032 case WhitePromotionRook:
8033 case BlackPromotionRook:
8034 case WhitePromotionBishop:
8035 case BlackPromotionBishop:
8036 case WhitePromotionKnight:
8037 case BlackPromotionKnight:
8038 case WhitePromotionKing:
8039 case BlackPromotionKing:
8041 case WhiteCapturesEnPassant:
8042 case BlackCapturesEnPassant:
8043 case WhiteKingSideCastle:
8044 case WhiteQueenSideCastle:
8045 case BlackKingSideCastle:
8046 case BlackQueenSideCastle:
8047 case WhiteKingSideCastleWild:
8048 case WhiteQueenSideCastleWild:
8049 case BlackKingSideCastleWild:
8050 case BlackQueenSideCastleWild:
8052 case WhiteHSideCastleFR:
8053 case WhiteASideCastleFR:
8054 case BlackHSideCastleFR:
8055 case BlackASideCastleFR:
8057 fromX = currentMoveString[0] - AAA;
8058 fromY = currentMoveString[1] - ONE;
8059 toX = currentMoveString[2] - AAA;
8060 toY = currentMoveString[3] - ONE;
8061 promoChar = currentMoveString[4];
8065 fromX = moveType == WhiteDrop ?
8066 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8067 (int) CharToPiece(ToLower(currentMoveString[0]));
8069 toX = currentMoveString[2] - AAA;
8070 toY = currentMoveString[3] - ONE;
8071 promoChar = NULLCHAR;
8075 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8076 if (appData.debugMode) {
8077 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8078 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8079 setbuf(debugFP, NULL);
8081 DisplayError(buf, 0);
8083 case ImpossibleMove:
8085 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8086 if (appData.debugMode) {
8087 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8088 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8089 setbuf(debugFP, NULL);
8091 DisplayError(buf, 0);
8093 case (ChessMove) 0: /* end of file */
8094 if (boardIndex < backwardMostMove) {
8095 /* Oops, gap. How did that happen? */
8096 DisplayError(_("Gap in move list"), 0);
8099 backwardMostMove = blackPlaysFirst ? 1 : 0;
8100 if (boardIndex > forwardMostMove) {
8101 forwardMostMove = boardIndex;
8105 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8106 strcat(parseList[boardIndex-1], " ");
8107 strcat(parseList[boardIndex-1], yy_text);
8119 case GameUnfinished:
8120 if (gameMode == IcsExamining) {
8121 if (boardIndex < backwardMostMove) {
8122 /* Oops, gap. How did that happen? */
8125 backwardMostMove = blackPlaysFirst ? 1 : 0;
8128 gameInfo.result = moveType;
8129 p = strchr(yy_text, '{');
8130 if (p == NULL) p = strchr(yy_text, '(');
8133 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8135 q = strchr(p, *p == '{' ? '}' : ')');
8136 if (q != NULL) *q = NULLCHAR;
8139 gameInfo.resultDetails = StrSave(p);
8142 if (boardIndex >= forwardMostMove &&
8143 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8144 backwardMostMove = blackPlaysFirst ? 1 : 0;
8147 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8148 fromY, fromX, toY, toX, promoChar,
8149 parseList[boardIndex]);
8150 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8151 /* currentMoveString is set as a side-effect of yylex */
8152 strcpy(moveList[boardIndex], currentMoveString);
8153 strcat(moveList[boardIndex], "\n");
8155 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8156 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8162 if(gameInfo.variant != VariantShogi)
8163 strcat(parseList[boardIndex - 1], "+");
8167 strcat(parseList[boardIndex - 1], "#");
8174 /* Apply a move to the given board */
8176 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8177 int fromX, fromY, toX, toY;
8181 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8182 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8184 /* [HGM] compute & store e.p. status and castling rights for new position */
8185 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8188 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8189 oldEP = (signed char)board[EP_STATUS];
8190 board[EP_STATUS] = EP_NONE;
8192 if( board[toY][toX] != EmptySquare )
8193 board[EP_STATUS] = EP_CAPTURE;
8195 if( board[fromY][fromX] == WhitePawn ) {
8196 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8197 board[EP_STATUS] = EP_PAWN_MOVE;
8199 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8200 gameInfo.variant != VariantBerolina || toX < fromX)
8201 board[EP_STATUS] = toX | berolina;
8202 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8203 gameInfo.variant != VariantBerolina || toX > fromX)
8204 board[EP_STATUS] = toX;
8207 if( board[fromY][fromX] == BlackPawn ) {
8208 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8209 board[EP_STATUS] = EP_PAWN_MOVE;
8210 if( toY-fromY== -2) {
8211 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8212 gameInfo.variant != VariantBerolina || toX < fromX)
8213 board[EP_STATUS] = toX | berolina;
8214 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8215 gameInfo.variant != VariantBerolina || toX > fromX)
8216 board[EP_STATUS] = toX;
8220 for(i=0; i<nrCastlingRights; i++) {
8221 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8222 board[CASTLING][i] == toX && castlingRank[i] == toY
8223 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8228 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8229 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8230 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8232 if (fromX == toX && fromY == toY) return;
8234 if (fromY == DROP_RANK) {
8236 piece = board[toY][toX] = (ChessSquare) fromX;
8238 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8239 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8240 if(gameInfo.variant == VariantKnightmate)
8241 king += (int) WhiteUnicorn - (int) WhiteKing;
8243 /* Code added by Tord: */
8244 /* FRC castling assumed when king captures friendly rook. */
8245 if (board[fromY][fromX] == WhiteKing &&
8246 board[toY][toX] == WhiteRook) {
8247 board[fromY][fromX] = EmptySquare;
8248 board[toY][toX] = EmptySquare;
8250 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8252 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8254 } else if (board[fromY][fromX] == BlackKing &&
8255 board[toY][toX] == BlackRook) {
8256 board[fromY][fromX] = EmptySquare;
8257 board[toY][toX] = EmptySquare;
8259 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8261 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8263 /* End of code added by Tord */
8265 } else if (board[fromY][fromX] == king
8266 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8267 && toY == fromY && toX > fromX+1) {
8268 board[fromY][fromX] = EmptySquare;
8269 board[toY][toX] = king;
8270 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8271 board[fromY][BOARD_RGHT-1] = EmptySquare;
8272 } else if (board[fromY][fromX] == king
8273 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8274 && toY == fromY && toX < fromX-1) {
8275 board[fromY][fromX] = EmptySquare;
8276 board[toY][toX] = king;
8277 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8278 board[fromY][BOARD_LEFT] = EmptySquare;
8279 } else if (board[fromY][fromX] == WhitePawn
8280 && toY >= BOARD_HEIGHT-promoRank
8281 && gameInfo.variant != VariantXiangqi
8283 /* white pawn promotion */
8284 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8285 if (board[toY][toX] == EmptySquare) {
8286 board[toY][toX] = WhiteQueen;
8288 if(gameInfo.variant==VariantBughouse ||
8289 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8290 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8291 board[fromY][fromX] = EmptySquare;
8292 } else if ((fromY == BOARD_HEIGHT-4)
8294 && gameInfo.variant != VariantXiangqi
8295 && gameInfo.variant != VariantBerolina
8296 && (board[fromY][fromX] == WhitePawn)
8297 && (board[toY][toX] == EmptySquare)) {
8298 board[fromY][fromX] = EmptySquare;
8299 board[toY][toX] = WhitePawn;
8300 captured = board[toY - 1][toX];
8301 board[toY - 1][toX] = EmptySquare;
8302 } else if ((fromY == BOARD_HEIGHT-4)
8304 && gameInfo.variant == VariantBerolina
8305 && (board[fromY][fromX] == WhitePawn)
8306 && (board[toY][toX] == EmptySquare)) {
8307 board[fromY][fromX] = EmptySquare;
8308 board[toY][toX] = WhitePawn;
8309 if(oldEP & EP_BEROLIN_A) {
8310 captured = board[fromY][fromX-1];
8311 board[fromY][fromX-1] = EmptySquare;
8312 }else{ captured = board[fromY][fromX+1];
8313 board[fromY][fromX+1] = EmptySquare;
8315 } else if (board[fromY][fromX] == king
8316 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8317 && toY == fromY && toX > fromX+1) {
8318 board[fromY][fromX] = EmptySquare;
8319 board[toY][toX] = king;
8320 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8321 board[fromY][BOARD_RGHT-1] = EmptySquare;
8322 } else if (board[fromY][fromX] == king
8323 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8324 && toY == fromY && toX < fromX-1) {
8325 board[fromY][fromX] = EmptySquare;
8326 board[toY][toX] = king;
8327 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8328 board[fromY][BOARD_LEFT] = EmptySquare;
8329 } else if (fromY == 7 && fromX == 3
8330 && board[fromY][fromX] == BlackKing
8331 && toY == 7 && toX == 5) {
8332 board[fromY][fromX] = EmptySquare;
8333 board[toY][toX] = BlackKing;
8334 board[fromY][7] = EmptySquare;
8335 board[toY][4] = BlackRook;
8336 } else if (fromY == 7 && fromX == 3
8337 && board[fromY][fromX] == BlackKing
8338 && toY == 7 && toX == 1) {
8339 board[fromY][fromX] = EmptySquare;
8340 board[toY][toX] = BlackKing;
8341 board[fromY][0] = EmptySquare;
8342 board[toY][2] = BlackRook;
8343 } else if (board[fromY][fromX] == BlackPawn
8345 && gameInfo.variant != VariantXiangqi
8347 /* black pawn promotion */
8348 board[toY][toX] = CharToPiece(ToLower(promoChar));
8349 if (board[toY][toX] == EmptySquare) {
8350 board[toY][toX] = BlackQueen;
8352 if(gameInfo.variant==VariantBughouse ||
8353 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8354 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8355 board[fromY][fromX] = EmptySquare;
8356 } else if ((fromY == 3)
8358 && gameInfo.variant != VariantXiangqi
8359 && gameInfo.variant != VariantBerolina
8360 && (board[fromY][fromX] == BlackPawn)
8361 && (board[toY][toX] == EmptySquare)) {
8362 board[fromY][fromX] = EmptySquare;
8363 board[toY][toX] = BlackPawn;
8364 captured = board[toY + 1][toX];
8365 board[toY + 1][toX] = EmptySquare;
8366 } else if ((fromY == 3)
8368 && gameInfo.variant == VariantBerolina
8369 && (board[fromY][fromX] == BlackPawn)
8370 && (board[toY][toX] == EmptySquare)) {
8371 board[fromY][fromX] = EmptySquare;
8372 board[toY][toX] = BlackPawn;
8373 if(oldEP & EP_BEROLIN_A) {
8374 captured = board[fromY][fromX-1];
8375 board[fromY][fromX-1] = EmptySquare;
8376 }else{ captured = board[fromY][fromX+1];
8377 board[fromY][fromX+1] = EmptySquare;
8380 board[toY][toX] = board[fromY][fromX];
8381 board[fromY][fromX] = EmptySquare;
8384 /* [HGM] now we promote for Shogi, if needed */
8385 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8386 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8389 if (gameInfo.holdingsWidth != 0) {
8391 /* !!A lot more code needs to be written to support holdings */
8392 /* [HGM] OK, so I have written it. Holdings are stored in the */
8393 /* penultimate board files, so they are automaticlly stored */
8394 /* in the game history. */
8395 if (fromY == DROP_RANK) {
8396 /* Delete from holdings, by decreasing count */
8397 /* and erasing image if necessary */
8399 if(p < (int) BlackPawn) { /* white drop */
8400 p -= (int)WhitePawn;
8401 p = PieceToNumber((ChessSquare)p);
8402 if(p >= gameInfo.holdingsSize) p = 0;
8403 if(--board[p][BOARD_WIDTH-2] <= 0)
8404 board[p][BOARD_WIDTH-1] = EmptySquare;
8405 if((int)board[p][BOARD_WIDTH-2] < 0)
8406 board[p][BOARD_WIDTH-2] = 0;
8407 } else { /* black drop */
8408 p -= (int)BlackPawn;
8409 p = PieceToNumber((ChessSquare)p);
8410 if(p >= gameInfo.holdingsSize) p = 0;
8411 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8412 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8413 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8414 board[BOARD_HEIGHT-1-p][1] = 0;
8417 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8418 && gameInfo.variant != VariantBughouse ) {
8419 /* [HGM] holdings: Add to holdings, if holdings exist */
8420 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8421 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8422 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8425 if (p >= (int) BlackPawn) {
8426 p -= (int)BlackPawn;
8427 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8428 /* in Shogi restore piece to its original first */
8429 captured = (ChessSquare) (DEMOTED captured);
8432 p = PieceToNumber((ChessSquare)p);
8433 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8434 board[p][BOARD_WIDTH-2]++;
8435 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8437 p -= (int)WhitePawn;
8438 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8439 captured = (ChessSquare) (DEMOTED captured);
8442 p = PieceToNumber((ChessSquare)p);
8443 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8444 board[BOARD_HEIGHT-1-p][1]++;
8445 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8448 } else if (gameInfo.variant == VariantAtomic) {
8449 if (captured != EmptySquare) {
8451 for (y = toY-1; y <= toY+1; y++) {
8452 for (x = toX-1; x <= toX+1; x++) {
8453 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8454 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8455 board[y][x] = EmptySquare;
8459 board[toY][toX] = EmptySquare;
8462 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8463 /* [HGM] Shogi promotions */
8464 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8467 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8468 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8469 // [HGM] superchess: take promotion piece out of holdings
8470 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8471 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8472 if(!--board[k][BOARD_WIDTH-2])
8473 board[k][BOARD_WIDTH-1] = EmptySquare;
8475 if(!--board[BOARD_HEIGHT-1-k][1])
8476 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8482 /* Updates forwardMostMove */
8484 MakeMove(fromX, fromY, toX, toY, promoChar)
8485 int fromX, fromY, toX, toY;
8488 // forwardMostMove++; // [HGM] bare: moved downstream
8490 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8491 int timeLeft; static int lastLoadFlag=0; int king, piece;
8492 piece = boards[forwardMostMove][fromY][fromX];
8493 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8494 if(gameInfo.variant == VariantKnightmate)
8495 king += (int) WhiteUnicorn - (int) WhiteKing;
8496 if(forwardMostMove == 0) {
8498 fprintf(serverMoves, "%s;", second.tidy);
8499 fprintf(serverMoves, "%s;", first.tidy);
8500 if(!blackPlaysFirst)
8501 fprintf(serverMoves, "%s;", second.tidy);
8502 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8503 lastLoadFlag = loadFlag;
8505 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8506 // print castling suffix
8507 if( toY == fromY && piece == king ) {
8509 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8511 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8514 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8515 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8516 boards[forwardMostMove][toY][toX] == EmptySquare
8518 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8520 if(promoChar != NULLCHAR)
8521 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8523 fprintf(serverMoves, "/%d/%d",
8524 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8525 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8526 else timeLeft = blackTimeRemaining/1000;
8527 fprintf(serverMoves, "/%d", timeLeft);
8529 fflush(serverMoves);
8532 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8533 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8537 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8538 if (commentList[forwardMostMove+1] != NULL) {
8539 free(commentList[forwardMostMove+1]);
8540 commentList[forwardMostMove+1] = NULL;
8542 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8543 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8544 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8545 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8546 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8547 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8548 gameInfo.result = GameUnfinished;
8549 if (gameInfo.resultDetails != NULL) {
8550 free(gameInfo.resultDetails);
8551 gameInfo.resultDetails = NULL;
8553 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8554 moveList[forwardMostMove - 1]);
8555 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8556 PosFlags(forwardMostMove - 1),
8557 fromY, fromX, toY, toX, promoChar,
8558 parseList[forwardMostMove - 1]);
8559 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8565 if(gameInfo.variant != VariantShogi)
8566 strcat(parseList[forwardMostMove - 1], "+");
8570 strcat(parseList[forwardMostMove - 1], "#");
8573 if (appData.debugMode) {
8574 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8579 /* Updates currentMove if not pausing */
8581 ShowMove(fromX, fromY, toX, toY)
8583 int instant = (gameMode == PlayFromGameFile) ?
8584 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8585 if(appData.noGUI) return;
8586 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8588 if (forwardMostMove == currentMove + 1) {
8589 AnimateMove(boards[forwardMostMove - 1],
8590 fromX, fromY, toX, toY);
8592 if (appData.highlightLastMove) {
8593 SetHighlights(fromX, fromY, toX, toY);
8596 currentMove = forwardMostMove;
8599 if (instant) return;
8601 DisplayMove(currentMove - 1);
8602 DrawPosition(FALSE, boards[currentMove]);
8603 DisplayBothClocks();
8604 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8607 void SendEgtPath(ChessProgramState *cps)
8608 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8609 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8611 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8614 char c, *q = name+1, *r, *s;
8616 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8617 while(*p && *p != ',') *q++ = *p++;
8619 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8620 strcmp(name, ",nalimov:") == 0 ) {
8621 // take nalimov path from the menu-changeable option first, if it is defined
8622 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8623 SendToProgram(buf,cps); // send egtbpath command for nalimov
8625 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8626 (s = StrStr(appData.egtFormats, name)) != NULL) {
8627 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8628 s = r = StrStr(s, ":") + 1; // beginning of path info
8629 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8630 c = *r; *r = 0; // temporarily null-terminate path info
8631 *--q = 0; // strip of trailig ':' from name
8632 sprintf(buf, "egtpath %s %s\n", name+1, s);
8634 SendToProgram(buf,cps); // send egtbpath command for this format
8636 if(*p == ',') p++; // read away comma to position for next format name
8641 InitChessProgram(cps, setup)
8642 ChessProgramState *cps;
8643 int setup; /* [HGM] needed to setup FRC opening position */
8645 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8646 if (appData.noChessProgram) return;
8647 hintRequested = FALSE;
8648 bookRequested = FALSE;
8650 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8651 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8652 if(cps->memSize) { /* [HGM] memory */
8653 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8654 SendToProgram(buf, cps);
8656 SendEgtPath(cps); /* [HGM] EGT */
8657 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8658 sprintf(buf, "cores %d\n", appData.smpCores);
8659 SendToProgram(buf, cps);
8662 SendToProgram(cps->initString, cps);
8663 if (gameInfo.variant != VariantNormal &&
8664 gameInfo.variant != VariantLoadable
8665 /* [HGM] also send variant if board size non-standard */
8666 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8668 char *v = VariantName(gameInfo.variant);
8669 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8670 /* [HGM] in protocol 1 we have to assume all variants valid */
8671 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8672 DisplayFatalError(buf, 0, 1);
8676 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8677 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8678 if( gameInfo.variant == VariantXiangqi )
8679 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8680 if( gameInfo.variant == VariantShogi )
8681 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8682 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8683 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8684 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8685 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8686 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8687 if( gameInfo.variant == VariantCourier )
8688 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8689 if( gameInfo.variant == VariantSuper )
8690 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8691 if( gameInfo.variant == VariantGreat )
8692 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8695 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8696 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8697 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8698 if(StrStr(cps->variants, b) == NULL) {
8699 // specific sized variant not known, check if general sizing allowed
8700 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8701 if(StrStr(cps->variants, "boardsize") == NULL) {
8702 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8703 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8704 DisplayFatalError(buf, 0, 1);
8707 /* [HGM] here we really should compare with the maximum supported board size */
8710 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8711 sprintf(buf, "variant %s\n", b);
8712 SendToProgram(buf, cps);
8714 currentlyInitializedVariant = gameInfo.variant;
8716 /* [HGM] send opening position in FRC to first engine */
8718 SendToProgram("force\n", cps);
8720 /* engine is now in force mode! Set flag to wake it up after first move. */
8721 setboardSpoiledMachineBlack = 1;
8725 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8726 SendToProgram(buf, cps);
8728 cps->maybeThinking = FALSE;
8729 cps->offeredDraw = 0;
8730 if (!appData.icsActive) {
8731 SendTimeControl(cps, movesPerSession, timeControl,
8732 timeIncrement, appData.searchDepth,
8735 if (appData.showThinking
8736 // [HGM] thinking: four options require thinking output to be sent
8737 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8739 SendToProgram("post\n", cps);
8741 SendToProgram("hard\n", cps);
8742 if (!appData.ponderNextMove) {
8743 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8744 it without being sure what state we are in first. "hard"
8745 is not a toggle, so that one is OK.
8747 SendToProgram("easy\n", cps);
8750 sprintf(buf, "ping %d\n", ++cps->lastPing);
8751 SendToProgram(buf, cps);
8753 cps->initDone = TRUE;
8758 StartChessProgram(cps)
8759 ChessProgramState *cps;
8764 if (appData.noChessProgram) return;
8765 cps->initDone = FALSE;
8767 if (strcmp(cps->host, "localhost") == 0) {
8768 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8769 } else if (*appData.remoteShell == NULLCHAR) {
8770 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8772 if (*appData.remoteUser == NULLCHAR) {
8773 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8776 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8777 cps->host, appData.remoteUser, cps->program);
8779 err = StartChildProcess(buf, "", &cps->pr);
8783 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8784 DisplayFatalError(buf, err, 1);
8790 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8791 if (cps->protocolVersion > 1) {
8792 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8793 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8794 cps->comboCnt = 0; // and values of combo boxes
8795 SendToProgram(buf, cps);
8797 SendToProgram("xboard\n", cps);
8803 TwoMachinesEventIfReady P((void))
8805 if (first.lastPing != first.lastPong) {
8806 DisplayMessage("", _("Waiting for first chess program"));
8807 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8810 if (second.lastPing != second.lastPong) {
8811 DisplayMessage("", _("Waiting for second chess program"));
8812 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8820 NextMatchGame P((void))
8822 int index; /* [HGM] autoinc: step load index during match */
8824 if (*appData.loadGameFile != NULLCHAR) {
8825 index = appData.loadGameIndex;
8826 if(index < 0) { // [HGM] autoinc
8827 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8828 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8830 LoadGameFromFile(appData.loadGameFile,
8832 appData.loadGameFile, FALSE);
8833 } else if (*appData.loadPositionFile != NULLCHAR) {
8834 index = appData.loadPositionIndex;
8835 if(index < 0) { // [HGM] autoinc
8836 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8837 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8839 LoadPositionFromFile(appData.loadPositionFile,
8841 appData.loadPositionFile);
8843 TwoMachinesEventIfReady();
8846 void UserAdjudicationEvent( int result )
8848 ChessMove gameResult = GameIsDrawn;
8851 gameResult = WhiteWins;
8853 else if( result < 0 ) {
8854 gameResult = BlackWins;
8857 if( gameMode == TwoMachinesPlay ) {
8858 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8863 // [HGM] save: calculate checksum of game to make games easily identifiable
8864 int StringCheckSum(char *s)
8867 if(s==NULL) return 0;
8868 while(*s) i = i*259 + *s++;
8875 for(i=backwardMostMove; i<forwardMostMove; i++) {
8876 sum += pvInfoList[i].depth;
8877 sum += StringCheckSum(parseList[i]);
8878 sum += StringCheckSum(commentList[i]);
8881 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8882 return sum + StringCheckSum(commentList[i]);
8883 } // end of save patch
8886 GameEnds(result, resultDetails, whosays)
8888 char *resultDetails;
8891 GameMode nextGameMode;
8895 if(endingGame) return; /* [HGM] crash: forbid recursion */
8898 if (appData.debugMode) {
8899 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8900 result, resultDetails ? resultDetails : "(null)", whosays);
8903 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8905 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8906 /* If we are playing on ICS, the server decides when the
8907 game is over, but the engine can offer to draw, claim
8911 if (appData.zippyPlay && first.initDone) {
8912 if (result == GameIsDrawn) {
8913 /* In case draw still needs to be claimed */
8914 SendToICS(ics_prefix);
8915 SendToICS("draw\n");
8916 } else if (StrCaseStr(resultDetails, "resign")) {
8917 SendToICS(ics_prefix);
8918 SendToICS("resign\n");
8922 endingGame = 0; /* [HGM] crash */
8926 /* If we're loading the game from a file, stop */
8927 if (whosays == GE_FILE) {
8928 (void) StopLoadGameTimer();
8932 /* Cancel draw offers */
8933 first.offeredDraw = second.offeredDraw = 0;
8935 /* If this is an ICS game, only ICS can really say it's done;
8936 if not, anyone can. */
8937 isIcsGame = (gameMode == IcsPlayingWhite ||
8938 gameMode == IcsPlayingBlack ||
8939 gameMode == IcsObserving ||
8940 gameMode == IcsExamining);
8942 if (!isIcsGame || whosays == GE_ICS) {
8943 /* OK -- not an ICS game, or ICS said it was done */
8945 if (!isIcsGame && !appData.noChessProgram)
8946 SetUserThinkingEnables();
8948 /* [HGM] if a machine claims the game end we verify this claim */
8949 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8950 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8952 ChessMove trueResult = (ChessMove) -1;
8954 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8955 first.twoMachinesColor[0] :
8956 second.twoMachinesColor[0] ;
8958 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8959 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8960 /* [HGM] verify: engine mate claims accepted if they were flagged */
8961 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8963 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8964 /* [HGM] verify: engine mate claims accepted if they were flagged */
8965 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8967 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8968 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8971 // now verify win claims, but not in drop games, as we don't understand those yet
8972 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8973 || gameInfo.variant == VariantGreat) &&
8974 (result == WhiteWins && claimer == 'w' ||
8975 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8976 if (appData.debugMode) {
8977 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8978 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8980 if(result != trueResult) {
8981 sprintf(buf, "False win claim: '%s'", resultDetails);
8982 result = claimer == 'w' ? BlackWins : WhiteWins;
8983 resultDetails = buf;
8986 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8987 && (forwardMostMove <= backwardMostMove ||
8988 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8989 (claimer=='b')==(forwardMostMove&1))
8991 /* [HGM] verify: draws that were not flagged are false claims */
8992 sprintf(buf, "False draw claim: '%s'", resultDetails);
8993 result = claimer == 'w' ? BlackWins : WhiteWins;
8994 resultDetails = buf;
8996 /* (Claiming a loss is accepted no questions asked!) */
8998 /* [HGM] bare: don't allow bare King to win */
8999 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9000 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9001 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9002 && result != GameIsDrawn)
9003 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9004 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9005 int p = (signed char)boards[forwardMostMove][i][j] - color;
9006 if(p >= 0 && p <= (int)WhiteKing) k++;
9008 if (appData.debugMode) {
9009 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9010 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9013 result = GameIsDrawn;
9014 sprintf(buf, "%s but bare king", resultDetails);
9015 resultDetails = buf;
9021 if(serverMoves != NULL && !loadFlag) { char c = '=';
9022 if(result==WhiteWins) c = '+';
9023 if(result==BlackWins) c = '-';
9024 if(resultDetails != NULL)
9025 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9027 if (resultDetails != NULL) {
9028 gameInfo.result = result;
9029 gameInfo.resultDetails = StrSave(resultDetails);
9031 /* display last move only if game was not loaded from file */
9032 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9033 DisplayMove(currentMove - 1);
9035 if (forwardMostMove != 0) {
9036 if (gameMode != PlayFromGameFile && gameMode != EditGame
9037 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9039 if (*appData.saveGameFile != NULLCHAR) {
9040 SaveGameToFile(appData.saveGameFile, TRUE);
9041 } else if (appData.autoSaveGames) {
9044 if (*appData.savePositionFile != NULLCHAR) {
9045 SavePositionToFile(appData.savePositionFile);
9050 /* Tell program how game ended in case it is learning */
9051 /* [HGM] Moved this to after saving the PGN, just in case */
9052 /* engine died and we got here through time loss. In that */
9053 /* case we will get a fatal error writing the pipe, which */
9054 /* would otherwise lose us the PGN. */
9055 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9056 /* output during GameEnds should never be fatal anymore */
9057 if (gameMode == MachinePlaysWhite ||
9058 gameMode == MachinePlaysBlack ||
9059 gameMode == TwoMachinesPlay ||
9060 gameMode == IcsPlayingWhite ||
9061 gameMode == IcsPlayingBlack ||
9062 gameMode == BeginningOfGame) {
9064 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9066 if (first.pr != NoProc) {
9067 SendToProgram(buf, &first);
9069 if (second.pr != NoProc &&
9070 gameMode == TwoMachinesPlay) {
9071 SendToProgram(buf, &second);
9076 if (appData.icsActive) {
9077 if (appData.quietPlay &&
9078 (gameMode == IcsPlayingWhite ||
9079 gameMode == IcsPlayingBlack)) {
9080 SendToICS(ics_prefix);
9081 SendToICS("set shout 1\n");
9083 nextGameMode = IcsIdle;
9084 ics_user_moved = FALSE;
9085 /* clean up premove. It's ugly when the game has ended and the
9086 * premove highlights are still on the board.
9090 ClearPremoveHighlights();
9091 DrawPosition(FALSE, boards[currentMove]);
9093 if (whosays == GE_ICS) {
9096 if (gameMode == IcsPlayingWhite)
9098 else if(gameMode == IcsPlayingBlack)
9102 if (gameMode == IcsPlayingBlack)
9104 else if(gameMode == IcsPlayingWhite)
9111 PlayIcsUnfinishedSound();
9114 } else if (gameMode == EditGame ||
9115 gameMode == PlayFromGameFile ||
9116 gameMode == AnalyzeMode ||
9117 gameMode == AnalyzeFile) {
9118 nextGameMode = gameMode;
9120 nextGameMode = EndOfGame;
9125 nextGameMode = gameMode;
9128 if (appData.noChessProgram) {
9129 gameMode = nextGameMode;
9131 endingGame = 0; /* [HGM] crash */
9136 /* Put first chess program into idle state */
9137 if (first.pr != NoProc &&
9138 (gameMode == MachinePlaysWhite ||
9139 gameMode == MachinePlaysBlack ||
9140 gameMode == TwoMachinesPlay ||
9141 gameMode == IcsPlayingWhite ||
9142 gameMode == IcsPlayingBlack ||
9143 gameMode == BeginningOfGame)) {
9144 SendToProgram("force\n", &first);
9145 if (first.usePing) {
9147 sprintf(buf, "ping %d\n", ++first.lastPing);
9148 SendToProgram(buf, &first);
9151 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9152 /* Kill off first chess program */
9153 if (first.isr != NULL)
9154 RemoveInputSource(first.isr);
9157 if (first.pr != NoProc) {
9159 DoSleep( appData.delayBeforeQuit );
9160 SendToProgram("quit\n", &first);
9161 DoSleep( appData.delayAfterQuit );
9162 DestroyChildProcess(first.pr, first.useSigterm);
9167 /* Put second chess program into idle state */
9168 if (second.pr != NoProc &&
9169 gameMode == TwoMachinesPlay) {
9170 SendToProgram("force\n", &second);
9171 if (second.usePing) {
9173 sprintf(buf, "ping %d\n", ++second.lastPing);
9174 SendToProgram(buf, &second);
9177 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9178 /* Kill off second chess program */
9179 if (second.isr != NULL)
9180 RemoveInputSource(second.isr);
9183 if (second.pr != NoProc) {
9184 DoSleep( appData.delayBeforeQuit );
9185 SendToProgram("quit\n", &second);
9186 DoSleep( appData.delayAfterQuit );
9187 DestroyChildProcess(second.pr, second.useSigterm);
9192 if (matchMode && gameMode == TwoMachinesPlay) {
9195 if (first.twoMachinesColor[0] == 'w') {
9202 if (first.twoMachinesColor[0] == 'b') {
9211 if (matchGame < appData.matchGames) {
9213 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9214 tmp = first.twoMachinesColor;
9215 first.twoMachinesColor = second.twoMachinesColor;
9216 second.twoMachinesColor = tmp;
9218 gameMode = nextGameMode;
9220 if(appData.matchPause>10000 || appData.matchPause<10)
9221 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9222 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9223 endingGame = 0; /* [HGM] crash */
9227 gameMode = nextGameMode;
9228 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9229 first.tidy, second.tidy,
9230 first.matchWins, second.matchWins,
9231 appData.matchGames - (first.matchWins + second.matchWins));
9232 DisplayFatalError(buf, 0, 0);
9235 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9236 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9238 gameMode = nextGameMode;
9240 endingGame = 0; /* [HGM] crash */
9243 /* Assumes program was just initialized (initString sent).
9244 Leaves program in force mode. */
9246 FeedMovesToProgram(cps, upto)
9247 ChessProgramState *cps;
9252 if (appData.debugMode)
9253 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9254 startedFromSetupPosition ? "position and " : "",
9255 backwardMostMove, upto, cps->which);
9256 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9257 // [HGM] variantswitch: make engine aware of new variant
9258 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9259 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9260 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9261 SendToProgram(buf, cps);
9262 currentlyInitializedVariant = gameInfo.variant;
9264 SendToProgram("force\n", cps);
9265 if (startedFromSetupPosition) {
9266 SendBoard(cps, backwardMostMove);
9267 if (appData.debugMode) {
9268 fprintf(debugFP, "feedMoves\n");
9271 for (i = backwardMostMove; i < upto; i++) {
9272 SendMoveToProgram(i, cps);
9278 ResurrectChessProgram()
9280 /* The chess program may have exited.
9281 If so, restart it and feed it all the moves made so far. */
9283 if (appData.noChessProgram || first.pr != NoProc) return;
9285 StartChessProgram(&first);
9286 InitChessProgram(&first, FALSE);
9287 FeedMovesToProgram(&first, currentMove);
9289 if (!first.sendTime) {
9290 /* can't tell gnuchess what its clock should read,
9291 so we bow to its notion. */
9293 timeRemaining[0][currentMove] = whiteTimeRemaining;
9294 timeRemaining[1][currentMove] = blackTimeRemaining;
9297 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9298 appData.icsEngineAnalyze) && first.analysisSupport) {
9299 SendToProgram("analyze\n", &first);
9300 first.analyzing = TRUE;
9313 if (appData.debugMode) {
9314 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9315 redraw, init, gameMode);
9317 CleanupTail(); // [HGM] vari: delete any stored variations
9318 pausing = pauseExamInvalid = FALSE;
9319 startedFromSetupPosition = blackPlaysFirst = FALSE;
9321 whiteFlag = blackFlag = FALSE;
9322 userOfferedDraw = FALSE;
9323 hintRequested = bookRequested = FALSE;
9324 first.maybeThinking = FALSE;
9325 second.maybeThinking = FALSE;
9326 first.bookSuspend = FALSE; // [HGM] book
9327 second.bookSuspend = FALSE;
9328 thinkOutput[0] = NULLCHAR;
9329 lastHint[0] = NULLCHAR;
9330 ClearGameInfo(&gameInfo);
9331 gameInfo.variant = StringToVariant(appData.variant);
9332 ics_user_moved = ics_clock_paused = FALSE;
9333 ics_getting_history = H_FALSE;
9335 white_holding[0] = black_holding[0] = NULLCHAR;
9336 ClearProgramStats();
9337 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9341 flipView = appData.flipView;
9342 ClearPremoveHighlights();
9344 alarmSounded = FALSE;
9346 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9347 if(appData.serverMovesName != NULL) {
9348 /* [HGM] prepare to make moves file for broadcasting */
9349 clock_t t = clock();
9350 if(serverMoves != NULL) fclose(serverMoves);
9351 serverMoves = fopen(appData.serverMovesName, "r");
9352 if(serverMoves != NULL) {
9353 fclose(serverMoves);
9354 /* delay 15 sec before overwriting, so all clients can see end */
9355 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9357 serverMoves = fopen(appData.serverMovesName, "w");
9361 gameMode = BeginningOfGame;
9363 if(appData.icsActive) gameInfo.variant = VariantNormal;
9364 currentMove = forwardMostMove = backwardMostMove = 0;
9365 InitPosition(redraw);
9366 for (i = 0; i < MAX_MOVES; i++) {
9367 if (commentList[i] != NULL) {
9368 free(commentList[i]);
9369 commentList[i] = NULL;
9373 timeRemaining[0][0] = whiteTimeRemaining;
9374 timeRemaining[1][0] = blackTimeRemaining;
9375 if (first.pr == NULL) {
9376 StartChessProgram(&first);
9379 InitChessProgram(&first, startedFromSetupPosition);
9382 DisplayMessage("", "");
9383 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9384 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9391 if (!AutoPlayOneMove())
9393 if (matchMode || appData.timeDelay == 0)
9395 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9397 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9406 int fromX, fromY, toX, toY;
9408 if (appData.debugMode) {
9409 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9412 if (gameMode != PlayFromGameFile)
9415 if (currentMove >= forwardMostMove) {
9416 gameMode = EditGame;
9419 /* [AS] Clear current move marker at the end of a game */
9420 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9425 toX = moveList[currentMove][2] - AAA;
9426 toY = moveList[currentMove][3] - ONE;
9428 if (moveList[currentMove][1] == '@') {
9429 if (appData.highlightLastMove) {
9430 SetHighlights(-1, -1, toX, toY);
9433 fromX = moveList[currentMove][0] - AAA;
9434 fromY = moveList[currentMove][1] - ONE;
9436 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9438 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9440 if (appData.highlightLastMove) {
9441 SetHighlights(fromX, fromY, toX, toY);
9444 DisplayMove(currentMove);
9445 SendMoveToProgram(currentMove++, &first);
9446 DisplayBothClocks();
9447 DrawPosition(FALSE, boards[currentMove]);
9448 // [HGM] PV info: always display, routine tests if empty
9449 DisplayComment(currentMove - 1, commentList[currentMove]);
9455 LoadGameOneMove(readAhead)
9456 ChessMove readAhead;
9458 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9459 char promoChar = NULLCHAR;
9464 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9465 gameMode != AnalyzeMode && gameMode != Training) {
9470 yyboardindex = forwardMostMove;
9471 if (readAhead != (ChessMove)0) {
9472 moveType = readAhead;
9474 if (gameFileFP == NULL)
9476 moveType = (ChessMove) yylex();
9482 if (appData.debugMode)
9483 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9486 /* append the comment but don't display it */
9487 AppendComment(currentMove, p, FALSE);
9490 case WhiteCapturesEnPassant:
9491 case BlackCapturesEnPassant:
9492 case WhitePromotionChancellor:
9493 case BlackPromotionChancellor:
9494 case WhitePromotionArchbishop:
9495 case BlackPromotionArchbishop:
9496 case WhitePromotionCentaur:
9497 case BlackPromotionCentaur:
9498 case WhitePromotionQueen:
9499 case BlackPromotionQueen:
9500 case WhitePromotionRook:
9501 case BlackPromotionRook:
9502 case WhitePromotionBishop:
9503 case BlackPromotionBishop:
9504 case WhitePromotionKnight:
9505 case BlackPromotionKnight:
9506 case WhitePromotionKing:
9507 case BlackPromotionKing:
9509 case WhiteKingSideCastle:
9510 case WhiteQueenSideCastle:
9511 case BlackKingSideCastle:
9512 case BlackQueenSideCastle:
9513 case WhiteKingSideCastleWild:
9514 case WhiteQueenSideCastleWild:
9515 case BlackKingSideCastleWild:
9516 case BlackQueenSideCastleWild:
9518 case WhiteHSideCastleFR:
9519 case WhiteASideCastleFR:
9520 case BlackHSideCastleFR:
9521 case BlackASideCastleFR:
9523 if (appData.debugMode)
9524 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9525 fromX = currentMoveString[0] - AAA;
9526 fromY = currentMoveString[1] - ONE;
9527 toX = currentMoveString[2] - AAA;
9528 toY = currentMoveString[3] - ONE;
9529 promoChar = currentMoveString[4];
9534 if (appData.debugMode)
9535 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9536 fromX = moveType == WhiteDrop ?
9537 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9538 (int) CharToPiece(ToLower(currentMoveString[0]));
9540 toX = currentMoveString[2] - AAA;
9541 toY = currentMoveString[3] - ONE;
9547 case GameUnfinished:
9548 if (appData.debugMode)
9549 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9550 p = strchr(yy_text, '{');
9551 if (p == NULL) p = strchr(yy_text, '(');
9554 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9556 q = strchr(p, *p == '{' ? '}' : ')');
9557 if (q != NULL) *q = NULLCHAR;
9560 GameEnds(moveType, p, GE_FILE);
9562 if (cmailMsgLoaded) {
9564 flipView = WhiteOnMove(currentMove);
9565 if (moveType == GameUnfinished) flipView = !flipView;
9566 if (appData.debugMode)
9567 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9571 case (ChessMove) 0: /* end of file */
9572 if (appData.debugMode)
9573 fprintf(debugFP, "Parser hit end of file\n");
9574 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9580 if (WhiteOnMove(currentMove)) {
9581 GameEnds(BlackWins, "Black mates", GE_FILE);
9583 GameEnds(WhiteWins, "White mates", GE_FILE);
9587 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9594 if (lastLoadGameStart == GNUChessGame) {
9595 /* GNUChessGames have numbers, but they aren't move numbers */
9596 if (appData.debugMode)
9597 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9598 yy_text, (int) moveType);
9599 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9601 /* else fall thru */
9606 /* Reached start of next game in file */
9607 if (appData.debugMode)
9608 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9609 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9615 if (WhiteOnMove(currentMove)) {
9616 GameEnds(BlackWins, "Black mates", GE_FILE);
9618 GameEnds(WhiteWins, "White mates", GE_FILE);
9622 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9628 case PositionDiagram: /* should not happen; ignore */
9629 case ElapsedTime: /* ignore */
9630 case NAG: /* ignore */
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9633 yy_text, (int) moveType);
9634 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9637 if (appData.testLegality) {
9638 if (appData.debugMode)
9639 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9640 sprintf(move, _("Illegal move: %d.%s%s"),
9641 (forwardMostMove / 2) + 1,
9642 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9643 DisplayError(move, 0);
9646 if (appData.debugMode)
9647 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9648 yy_text, currentMoveString);
9649 fromX = currentMoveString[0] - AAA;
9650 fromY = currentMoveString[1] - ONE;
9651 toX = currentMoveString[2] - AAA;
9652 toY = currentMoveString[3] - ONE;
9653 promoChar = currentMoveString[4];
9658 if (appData.debugMode)
9659 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9660 sprintf(move, _("Ambiguous move: %d.%s%s"),
9661 (forwardMostMove / 2) + 1,
9662 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9663 DisplayError(move, 0);
9668 case ImpossibleMove:
9669 if (appData.debugMode)
9670 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9671 sprintf(move, _("Illegal move: %d.%s%s"),
9672 (forwardMostMove / 2) + 1,
9673 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9674 DisplayError(move, 0);
9680 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9681 DrawPosition(FALSE, boards[currentMove]);
9682 DisplayBothClocks();
9683 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9684 DisplayComment(currentMove - 1, commentList[currentMove]);
9686 (void) StopLoadGameTimer();
9688 cmailOldMove = forwardMostMove;
9691 /* currentMoveString is set as a side-effect of yylex */
9692 strcat(currentMoveString, "\n");
9693 strcpy(moveList[forwardMostMove], currentMoveString);
9695 thinkOutput[0] = NULLCHAR;
9696 MakeMove(fromX, fromY, toX, toY, promoChar);
9697 currentMove = forwardMostMove;
9702 /* Load the nth game from the given file */
9704 LoadGameFromFile(filename, n, title, useList)
9708 /*Boolean*/ int useList;
9713 if (strcmp(filename, "-") == 0) {
9717 f = fopen(filename, "rb");
9719 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9720 DisplayError(buf, errno);
9724 if (fseek(f, 0, 0) == -1) {
9725 /* f is not seekable; probably a pipe */
9728 if (useList && n == 0) {
9729 int error = GameListBuild(f);
9731 DisplayError(_("Cannot build game list"), error);
9732 } else if (!ListEmpty(&gameList) &&
9733 ((ListGame *) gameList.tailPred)->number > 1) {
9734 GameListPopUp(f, title);
9741 return LoadGame(f, n, title, FALSE);
9746 MakeRegisteredMove()
9748 int fromX, fromY, toX, toY;
9750 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9751 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9754 if (appData.debugMode)
9755 fprintf(debugFP, "Restoring %s for game %d\n",
9756 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9758 thinkOutput[0] = NULLCHAR;
9759 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9760 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9761 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9762 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9763 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9764 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9765 MakeMove(fromX, fromY, toX, toY, promoChar);
9766 ShowMove(fromX, fromY, toX, toY);
9768 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9775 if (WhiteOnMove(currentMove)) {
9776 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9778 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9783 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9790 if (WhiteOnMove(currentMove)) {
9791 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9793 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9798 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9809 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9811 CmailLoadGame(f, gameNumber, title, useList)
9819 if (gameNumber > nCmailGames) {
9820 DisplayError(_("No more games in this message"), 0);
9823 if (f == lastLoadGameFP) {
9824 int offset = gameNumber - lastLoadGameNumber;
9826 cmailMsg[0] = NULLCHAR;
9827 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9828 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9829 nCmailMovesRegistered--;
9831 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9832 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9833 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9836 if (! RegisterMove()) return FALSE;
9840 retVal = LoadGame(f, gameNumber, title, useList);
9842 /* Make move registered during previous look at this game, if any */
9843 MakeRegisteredMove();
9845 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9846 commentList[currentMove]
9847 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9848 DisplayComment(currentMove - 1, commentList[currentMove]);
9854 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9859 int gameNumber = lastLoadGameNumber + offset;
9860 if (lastLoadGameFP == NULL) {
9861 DisplayError(_("No game has been loaded yet"), 0);
9864 if (gameNumber <= 0) {
9865 DisplayError(_("Can't back up any further"), 0);
9868 if (cmailMsgLoaded) {
9869 return CmailLoadGame(lastLoadGameFP, gameNumber,
9870 lastLoadGameTitle, lastLoadGameUseList);
9872 return LoadGame(lastLoadGameFP, gameNumber,
9873 lastLoadGameTitle, lastLoadGameUseList);
9879 /* Load the nth game from open file f */
9881 LoadGame(f, gameNumber, title, useList)
9889 int gn = gameNumber;
9890 ListGame *lg = NULL;
9893 GameMode oldGameMode;
9894 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9896 if (appData.debugMode)
9897 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9899 if (gameMode == Training )
9900 SetTrainingModeOff();
9902 oldGameMode = gameMode;
9903 if (gameMode != BeginningOfGame) {
9908 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9909 fclose(lastLoadGameFP);
9913 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9916 fseek(f, lg->offset, 0);
9917 GameListHighlight(gameNumber);
9921 DisplayError(_("Game number out of range"), 0);
9926 if (fseek(f, 0, 0) == -1) {
9927 if (f == lastLoadGameFP ?
9928 gameNumber == lastLoadGameNumber + 1 :
9932 DisplayError(_("Can't seek on game file"), 0);
9938 lastLoadGameNumber = gameNumber;
9939 strcpy(lastLoadGameTitle, title);
9940 lastLoadGameUseList = useList;
9944 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9945 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9946 lg->gameInfo.black);
9948 } else if (*title != NULLCHAR) {
9949 if (gameNumber > 1) {
9950 sprintf(buf, "%s %d", title, gameNumber);
9953 DisplayTitle(title);
9957 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9958 gameMode = PlayFromGameFile;
9962 currentMove = forwardMostMove = backwardMostMove = 0;
9963 CopyBoard(boards[0], initialPosition);
9967 * Skip the first gn-1 games in the file.
9968 * Also skip over anything that precedes an identifiable
9969 * start of game marker, to avoid being confused by
9970 * garbage at the start of the file. Currently
9971 * recognized start of game markers are the move number "1",
9972 * the pattern "gnuchess .* game", the pattern
9973 * "^[#;%] [^ ]* game file", and a PGN tag block.
9974 * A game that starts with one of the latter two patterns
9975 * will also have a move number 1, possibly
9976 * following a position diagram.
9977 * 5-4-02: Let's try being more lenient and allowing a game to
9978 * start with an unnumbered move. Does that break anything?
9980 cm = lastLoadGameStart = (ChessMove) 0;
9982 yyboardindex = forwardMostMove;
9983 cm = (ChessMove) yylex();
9986 if (cmailMsgLoaded) {
9987 nCmailGames = CMAIL_MAX_GAMES - gn;
9990 DisplayError(_("Game not found in file"), 0);
9997 lastLoadGameStart = cm;
10000 case MoveNumberOne:
10001 switch (lastLoadGameStart) {
10006 case MoveNumberOne:
10007 case (ChessMove) 0:
10008 gn--; /* count this game */
10009 lastLoadGameStart = cm;
10018 switch (lastLoadGameStart) {
10021 case MoveNumberOne:
10022 case (ChessMove) 0:
10023 gn--; /* count this game */
10024 lastLoadGameStart = cm;
10027 lastLoadGameStart = cm; /* game counted already */
10035 yyboardindex = forwardMostMove;
10036 cm = (ChessMove) yylex();
10037 } while (cm == PGNTag || cm == Comment);
10044 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10045 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10046 != CMAIL_OLD_RESULT) {
10048 cmailResult[ CMAIL_MAX_GAMES
10049 - gn - 1] = CMAIL_OLD_RESULT;
10055 /* Only a NormalMove can be at the start of a game
10056 * without a position diagram. */
10057 if (lastLoadGameStart == (ChessMove) 0) {
10059 lastLoadGameStart = MoveNumberOne;
10068 if (appData.debugMode)
10069 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10071 if (cm == XBoardGame) {
10072 /* Skip any header junk before position diagram and/or move 1 */
10074 yyboardindex = forwardMostMove;
10075 cm = (ChessMove) yylex();
10077 if (cm == (ChessMove) 0 ||
10078 cm == GNUChessGame || cm == XBoardGame) {
10079 /* Empty game; pretend end-of-file and handle later */
10080 cm = (ChessMove) 0;
10084 if (cm == MoveNumberOne || cm == PositionDiagram ||
10085 cm == PGNTag || cm == Comment)
10088 } else if (cm == GNUChessGame) {
10089 if (gameInfo.event != NULL) {
10090 free(gameInfo.event);
10092 gameInfo.event = StrSave(yy_text);
10095 startedFromSetupPosition = FALSE;
10096 while (cm == PGNTag) {
10097 if (appData.debugMode)
10098 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10099 err = ParsePGNTag(yy_text, &gameInfo);
10100 if (!err) numPGNTags++;
10102 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10103 if(gameInfo.variant != oldVariant) {
10104 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10105 InitPosition(TRUE);
10106 oldVariant = gameInfo.variant;
10107 if (appData.debugMode)
10108 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10112 if (gameInfo.fen != NULL) {
10113 Board initial_position;
10114 startedFromSetupPosition = TRUE;
10115 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10117 DisplayError(_("Bad FEN position in file"), 0);
10120 CopyBoard(boards[0], initial_position);
10121 if (blackPlaysFirst) {
10122 currentMove = forwardMostMove = backwardMostMove = 1;
10123 CopyBoard(boards[1], initial_position);
10124 strcpy(moveList[0], "");
10125 strcpy(parseList[0], "");
10126 timeRemaining[0][1] = whiteTimeRemaining;
10127 timeRemaining[1][1] = blackTimeRemaining;
10128 if (commentList[0] != NULL) {
10129 commentList[1] = commentList[0];
10130 commentList[0] = NULL;
10133 currentMove = forwardMostMove = backwardMostMove = 0;
10135 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10137 initialRulePlies = FENrulePlies;
10138 for( i=0; i< nrCastlingRights; i++ )
10139 initialRights[i] = initial_position[CASTLING][i];
10141 yyboardindex = forwardMostMove;
10142 free(gameInfo.fen);
10143 gameInfo.fen = NULL;
10146 yyboardindex = forwardMostMove;
10147 cm = (ChessMove) yylex();
10149 /* Handle comments interspersed among the tags */
10150 while (cm == Comment) {
10152 if (appData.debugMode)
10153 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10155 AppendComment(currentMove, p, FALSE);
10156 yyboardindex = forwardMostMove;
10157 cm = (ChessMove) yylex();
10161 /* don't rely on existence of Event tag since if game was
10162 * pasted from clipboard the Event tag may not exist
10164 if (numPGNTags > 0){
10166 if (gameInfo.variant == VariantNormal) {
10167 gameInfo.variant = StringToVariant(gameInfo.event);
10170 if( appData.autoDisplayTags ) {
10171 tags = PGNTags(&gameInfo);
10172 TagsPopUp(tags, CmailMsg());
10177 /* Make something up, but don't display it now */
10182 if (cm == PositionDiagram) {
10185 Board initial_position;
10187 if (appData.debugMode)
10188 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10190 if (!startedFromSetupPosition) {
10192 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10193 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10203 initial_position[i][j++] = CharToPiece(*p);
10206 while (*p == ' ' || *p == '\t' ||
10207 *p == '\n' || *p == '\r') p++;
10209 if (strncmp(p, "black", strlen("black"))==0)
10210 blackPlaysFirst = TRUE;
10212 blackPlaysFirst = FALSE;
10213 startedFromSetupPosition = TRUE;
10215 CopyBoard(boards[0], initial_position);
10216 if (blackPlaysFirst) {
10217 currentMove = forwardMostMove = backwardMostMove = 1;
10218 CopyBoard(boards[1], initial_position);
10219 strcpy(moveList[0], "");
10220 strcpy(parseList[0], "");
10221 timeRemaining[0][1] = whiteTimeRemaining;
10222 timeRemaining[1][1] = blackTimeRemaining;
10223 if (commentList[0] != NULL) {
10224 commentList[1] = commentList[0];
10225 commentList[0] = NULL;
10228 currentMove = forwardMostMove = backwardMostMove = 0;
10231 yyboardindex = forwardMostMove;
10232 cm = (ChessMove) yylex();
10235 if (first.pr == NoProc) {
10236 StartChessProgram(&first);
10238 InitChessProgram(&first, FALSE);
10239 SendToProgram("force\n", &first);
10240 if (startedFromSetupPosition) {
10241 SendBoard(&first, forwardMostMove);
10242 if (appData.debugMode) {
10243 fprintf(debugFP, "Load Game\n");
10245 DisplayBothClocks();
10248 /* [HGM] server: flag to write setup moves in broadcast file as one */
10249 loadFlag = appData.suppressLoadMoves;
10251 while (cm == Comment) {
10253 if (appData.debugMode)
10254 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10256 AppendComment(currentMove, p, FALSE);
10257 yyboardindex = forwardMostMove;
10258 cm = (ChessMove) yylex();
10261 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10262 cm == WhiteWins || cm == BlackWins ||
10263 cm == GameIsDrawn || cm == GameUnfinished) {
10264 DisplayMessage("", _("No moves in game"));
10265 if (cmailMsgLoaded) {
10266 if (appData.debugMode)
10267 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10271 DrawPosition(FALSE, boards[currentMove]);
10272 DisplayBothClocks();
10273 gameMode = EditGame;
10280 // [HGM] PV info: routine tests if comment empty
10281 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10282 DisplayComment(currentMove - 1, commentList[currentMove]);
10284 if (!matchMode && appData.timeDelay != 0)
10285 DrawPosition(FALSE, boards[currentMove]);
10287 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10288 programStats.ok_to_send = 1;
10291 /* if the first token after the PGN tags is a move
10292 * and not move number 1, retrieve it from the parser
10294 if (cm != MoveNumberOne)
10295 LoadGameOneMove(cm);
10297 /* load the remaining moves from the file */
10298 while (LoadGameOneMove((ChessMove)0)) {
10299 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10300 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10303 /* rewind to the start of the game */
10304 currentMove = backwardMostMove;
10306 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10308 if (oldGameMode == AnalyzeFile ||
10309 oldGameMode == AnalyzeMode) {
10310 AnalyzeFileEvent();
10313 if (matchMode || appData.timeDelay == 0) {
10315 gameMode = EditGame;
10317 } else if (appData.timeDelay > 0) {
10318 AutoPlayGameLoop();
10321 if (appData.debugMode)
10322 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10324 loadFlag = 0; /* [HGM] true game starts */
10328 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10330 ReloadPosition(offset)
10333 int positionNumber = lastLoadPositionNumber + offset;
10334 if (lastLoadPositionFP == NULL) {
10335 DisplayError(_("No position has been loaded yet"), 0);
10338 if (positionNumber <= 0) {
10339 DisplayError(_("Can't back up any further"), 0);
10342 return LoadPosition(lastLoadPositionFP, positionNumber,
10343 lastLoadPositionTitle);
10346 /* Load the nth position from the given file */
10348 LoadPositionFromFile(filename, n, title)
10356 if (strcmp(filename, "-") == 0) {
10357 return LoadPosition(stdin, n, "stdin");
10359 f = fopen(filename, "rb");
10361 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10362 DisplayError(buf, errno);
10365 return LoadPosition(f, n, title);
10370 /* Load the nth position from the given open file, and close it */
10372 LoadPosition(f, positionNumber, title)
10374 int positionNumber;
10377 char *p, line[MSG_SIZ];
10378 Board initial_position;
10379 int i, j, fenMode, pn;
10381 if (gameMode == Training )
10382 SetTrainingModeOff();
10384 if (gameMode != BeginningOfGame) {
10385 Reset(FALSE, TRUE);
10387 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10388 fclose(lastLoadPositionFP);
10390 if (positionNumber == 0) positionNumber = 1;
10391 lastLoadPositionFP = f;
10392 lastLoadPositionNumber = positionNumber;
10393 strcpy(lastLoadPositionTitle, title);
10394 if (first.pr == NoProc) {
10395 StartChessProgram(&first);
10396 InitChessProgram(&first, FALSE);
10398 pn = positionNumber;
10399 if (positionNumber < 0) {
10400 /* Negative position number means to seek to that byte offset */
10401 if (fseek(f, -positionNumber, 0) == -1) {
10402 DisplayError(_("Can't seek on position file"), 0);
10407 if (fseek(f, 0, 0) == -1) {
10408 if (f == lastLoadPositionFP ?
10409 positionNumber == lastLoadPositionNumber + 1 :
10410 positionNumber == 1) {
10413 DisplayError(_("Can't seek on position file"), 0);
10418 /* See if this file is FEN or old-style xboard */
10419 if (fgets(line, MSG_SIZ, f) == NULL) {
10420 DisplayError(_("Position not found in file"), 0);
10423 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10424 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10427 if (fenMode || line[0] == '#') pn--;
10429 /* skip positions before number pn */
10430 if (fgets(line, MSG_SIZ, f) == NULL) {
10432 DisplayError(_("Position not found in file"), 0);
10435 if (fenMode || line[0] == '#') pn--;
10440 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10441 DisplayError(_("Bad FEN position in file"), 0);
10445 (void) fgets(line, MSG_SIZ, f);
10446 (void) fgets(line, MSG_SIZ, f);
10448 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10449 (void) fgets(line, MSG_SIZ, f);
10450 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10453 initial_position[i][j++] = CharToPiece(*p);
10457 blackPlaysFirst = FALSE;
10459 (void) fgets(line, MSG_SIZ, f);
10460 if (strncmp(line, "black", strlen("black"))==0)
10461 blackPlaysFirst = TRUE;
10464 startedFromSetupPosition = TRUE;
10466 SendToProgram("force\n", &first);
10467 CopyBoard(boards[0], initial_position);
10468 if (blackPlaysFirst) {
10469 currentMove = forwardMostMove = backwardMostMove = 1;
10470 strcpy(moveList[0], "");
10471 strcpy(parseList[0], "");
10472 CopyBoard(boards[1], initial_position);
10473 DisplayMessage("", _("Black to play"));
10475 currentMove = forwardMostMove = backwardMostMove = 0;
10476 DisplayMessage("", _("White to play"));
10478 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10479 SendBoard(&first, forwardMostMove);
10480 if (appData.debugMode) {
10482 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10483 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10484 fprintf(debugFP, "Load Position\n");
10487 if (positionNumber > 1) {
10488 sprintf(line, "%s %d", title, positionNumber);
10489 DisplayTitle(line);
10491 DisplayTitle(title);
10493 gameMode = EditGame;
10496 timeRemaining[0][1] = whiteTimeRemaining;
10497 timeRemaining[1][1] = blackTimeRemaining;
10498 DrawPosition(FALSE, boards[currentMove]);
10505 CopyPlayerNameIntoFileName(dest, src)
10508 while (*src != NULLCHAR && *src != ',') {
10513 *(*dest)++ = *src++;
10518 char *DefaultFileName(ext)
10521 static char def[MSG_SIZ];
10524 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10526 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10528 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10537 /* Save the current game to the given file */
10539 SaveGameToFile(filename, append)
10546 if (strcmp(filename, "-") == 0) {
10547 return SaveGame(stdout, 0, NULL);
10549 f = fopen(filename, append ? "a" : "w");
10551 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10552 DisplayError(buf, errno);
10555 return SaveGame(f, 0, NULL);
10564 static char buf[MSG_SIZ];
10567 p = strchr(str, ' ');
10568 if (p == NULL) return str;
10569 strncpy(buf, str, p - str);
10570 buf[p - str] = NULLCHAR;
10574 #define PGN_MAX_LINE 75
10576 #define PGN_SIDE_WHITE 0
10577 #define PGN_SIDE_BLACK 1
10580 static int FindFirstMoveOutOfBook( int side )
10584 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10585 int index = backwardMostMove;
10586 int has_book_hit = 0;
10588 if( (index % 2) != side ) {
10592 while( index < forwardMostMove ) {
10593 /* Check to see if engine is in book */
10594 int depth = pvInfoList[index].depth;
10595 int score = pvInfoList[index].score;
10601 else if( score == 0 && depth == 63 ) {
10602 in_book = 1; /* Zappa */
10604 else if( score == 2 && depth == 99 ) {
10605 in_book = 1; /* Abrok */
10608 has_book_hit += in_book;
10624 void GetOutOfBookInfo( char * buf )
10628 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10630 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10631 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10635 if( oob[0] >= 0 || oob[1] >= 0 ) {
10636 for( i=0; i<2; i++ ) {
10640 if( i > 0 && oob[0] >= 0 ) {
10641 strcat( buf, " " );
10644 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10645 sprintf( buf+strlen(buf), "%s%.2f",
10646 pvInfoList[idx].score >= 0 ? "+" : "",
10647 pvInfoList[idx].score / 100.0 );
10653 /* Save game in PGN style and close the file */
10658 int i, offset, linelen, newblock;
10662 int movelen, numlen, blank;
10663 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10665 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10667 tm = time((time_t *) NULL);
10669 PrintPGNTags(f, &gameInfo);
10671 if (backwardMostMove > 0 || startedFromSetupPosition) {
10672 char *fen = PositionToFEN(backwardMostMove, NULL);
10673 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10674 fprintf(f, "\n{--------------\n");
10675 PrintPosition(f, backwardMostMove);
10676 fprintf(f, "--------------}\n");
10680 /* [AS] Out of book annotation */
10681 if( appData.saveOutOfBookInfo ) {
10684 GetOutOfBookInfo( buf );
10686 if( buf[0] != '\0' ) {
10687 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10694 i = backwardMostMove;
10698 while (i < forwardMostMove) {
10699 /* Print comments preceding this move */
10700 if (commentList[i] != NULL) {
10701 if (linelen > 0) fprintf(f, "\n");
10702 fprintf(f, "%s", commentList[i]);
10707 /* Format move number */
10708 if ((i % 2) == 0) {
10709 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10712 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10714 numtext[0] = NULLCHAR;
10717 numlen = strlen(numtext);
10720 /* Print move number */
10721 blank = linelen > 0 && numlen > 0;
10722 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10731 fprintf(f, "%s", numtext);
10735 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10736 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10739 blank = linelen > 0 && movelen > 0;
10740 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10749 fprintf(f, "%s", move_buffer);
10750 linelen += movelen;
10752 /* [AS] Add PV info if present */
10753 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10754 /* [HGM] add time */
10755 char buf[MSG_SIZ]; int seconds;
10757 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10759 if( seconds <= 0) buf[0] = 0; else
10760 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10761 seconds = (seconds + 4)/10; // round to full seconds
10762 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10763 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10766 sprintf( move_buffer, "{%s%.2f/%d%s}",
10767 pvInfoList[i].score >= 0 ? "+" : "",
10768 pvInfoList[i].score / 100.0,
10769 pvInfoList[i].depth,
10772 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10774 /* Print score/depth */
10775 blank = linelen > 0 && movelen > 0;
10776 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10785 fprintf(f, "%s", move_buffer);
10786 linelen += movelen;
10792 /* Start a new line */
10793 if (linelen > 0) fprintf(f, "\n");
10795 /* Print comments after last move */
10796 if (commentList[i] != NULL) {
10797 fprintf(f, "%s\n", commentList[i]);
10801 if (gameInfo.resultDetails != NULL &&
10802 gameInfo.resultDetails[0] != NULLCHAR) {
10803 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10804 PGNResult(gameInfo.result));
10806 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10810 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10814 /* Save game in old style and close the file */
10816 SaveGameOldStyle(f)
10822 tm = time((time_t *) NULL);
10824 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10827 if (backwardMostMove > 0 || startedFromSetupPosition) {
10828 fprintf(f, "\n[--------------\n");
10829 PrintPosition(f, backwardMostMove);
10830 fprintf(f, "--------------]\n");
10835 i = backwardMostMove;
10836 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10838 while (i < forwardMostMove) {
10839 if (commentList[i] != NULL) {
10840 fprintf(f, "[%s]\n", commentList[i]);
10843 if ((i % 2) == 1) {
10844 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10847 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10849 if (commentList[i] != NULL) {
10853 if (i >= forwardMostMove) {
10857 fprintf(f, "%s\n", parseList[i]);
10862 if (commentList[i] != NULL) {
10863 fprintf(f, "[%s]\n", commentList[i]);
10866 /* This isn't really the old style, but it's close enough */
10867 if (gameInfo.resultDetails != NULL &&
10868 gameInfo.resultDetails[0] != NULLCHAR) {
10869 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10870 gameInfo.resultDetails);
10872 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10879 /* Save the current game to open file f and close the file */
10881 SaveGame(f, dummy, dummy2)
10886 if (gameMode == EditPosition) EditPositionDone(TRUE);
10887 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10888 if (appData.oldSaveStyle)
10889 return SaveGameOldStyle(f);
10891 return SaveGamePGN(f);
10894 /* Save the current position to the given file */
10896 SavePositionToFile(filename)
10902 if (strcmp(filename, "-") == 0) {
10903 return SavePosition(stdout, 0, NULL);
10905 f = fopen(filename, "a");
10907 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10908 DisplayError(buf, errno);
10911 SavePosition(f, 0, NULL);
10917 /* Save the current position to the given open file and close the file */
10919 SavePosition(f, dummy, dummy2)
10927 if (gameMode == EditPosition) EditPositionDone(TRUE);
10928 if (appData.oldSaveStyle) {
10929 tm = time((time_t *) NULL);
10931 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10933 fprintf(f, "[--------------\n");
10934 PrintPosition(f, currentMove);
10935 fprintf(f, "--------------]\n");
10937 fen = PositionToFEN(currentMove, NULL);
10938 fprintf(f, "%s\n", fen);
10946 ReloadCmailMsgEvent(unregister)
10950 static char *inFilename = NULL;
10951 static char *outFilename;
10953 struct stat inbuf, outbuf;
10956 /* Any registered moves are unregistered if unregister is set, */
10957 /* i.e. invoked by the signal handler */
10959 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10960 cmailMoveRegistered[i] = FALSE;
10961 if (cmailCommentList[i] != NULL) {
10962 free(cmailCommentList[i]);
10963 cmailCommentList[i] = NULL;
10966 nCmailMovesRegistered = 0;
10969 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10970 cmailResult[i] = CMAIL_NOT_RESULT;
10974 if (inFilename == NULL) {
10975 /* Because the filenames are static they only get malloced once */
10976 /* and they never get freed */
10977 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10978 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10980 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10981 sprintf(outFilename, "%s.out", appData.cmailGameName);
10984 status = stat(outFilename, &outbuf);
10986 cmailMailedMove = FALSE;
10988 status = stat(inFilename, &inbuf);
10989 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10992 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10993 counts the games, notes how each one terminated, etc.
10995 It would be nice to remove this kludge and instead gather all
10996 the information while building the game list. (And to keep it
10997 in the game list nodes instead of having a bunch of fixed-size
10998 parallel arrays.) Note this will require getting each game's
10999 termination from the PGN tags, as the game list builder does
11000 not process the game moves. --mann
11002 cmailMsgLoaded = TRUE;
11003 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11005 /* Load first game in the file or popup game menu */
11006 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11008 #endif /* !WIN32 */
11016 char string[MSG_SIZ];
11018 if ( cmailMailedMove
11019 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11020 return TRUE; /* Allow free viewing */
11023 /* Unregister move to ensure that we don't leave RegisterMove */
11024 /* with the move registered when the conditions for registering no */
11026 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11027 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11028 nCmailMovesRegistered --;
11030 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11032 free(cmailCommentList[lastLoadGameNumber - 1]);
11033 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11037 if (cmailOldMove == -1) {
11038 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11042 if (currentMove > cmailOldMove + 1) {
11043 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11047 if (currentMove < cmailOldMove) {
11048 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11052 if (forwardMostMove > currentMove) {
11053 /* Silently truncate extra moves */
11057 if ( (currentMove == cmailOldMove + 1)
11058 || ( (currentMove == cmailOldMove)
11059 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11060 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11061 if (gameInfo.result != GameUnfinished) {
11062 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11065 if (commentList[currentMove] != NULL) {
11066 cmailCommentList[lastLoadGameNumber - 1]
11067 = StrSave(commentList[currentMove]);
11069 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11071 if (appData.debugMode)
11072 fprintf(debugFP, "Saving %s for game %d\n",
11073 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11076 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11078 f = fopen(string, "w");
11079 if (appData.oldSaveStyle) {
11080 SaveGameOldStyle(f); /* also closes the file */
11082 sprintf(string, "%s.pos.out", appData.cmailGameName);
11083 f = fopen(string, "w");
11084 SavePosition(f, 0, NULL); /* also closes the file */
11086 fprintf(f, "{--------------\n");
11087 PrintPosition(f, currentMove);
11088 fprintf(f, "--------------}\n\n");
11090 SaveGame(f, 0, NULL); /* also closes the file*/
11093 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11094 nCmailMovesRegistered ++;
11095 } else if (nCmailGames == 1) {
11096 DisplayError(_("You have not made a move yet"), 0);
11107 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11108 FILE *commandOutput;
11109 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11110 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11116 if (! cmailMsgLoaded) {
11117 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11121 if (nCmailGames == nCmailResults) {
11122 DisplayError(_("No unfinished games"), 0);
11126 #if CMAIL_PROHIBIT_REMAIL
11127 if (cmailMailedMove) {
11128 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);
11129 DisplayError(msg, 0);
11134 if (! (cmailMailedMove || RegisterMove())) return;
11136 if ( cmailMailedMove
11137 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11138 sprintf(string, partCommandString,
11139 appData.debugMode ? " -v" : "", appData.cmailGameName);
11140 commandOutput = popen(string, "r");
11142 if (commandOutput == NULL) {
11143 DisplayError(_("Failed to invoke cmail"), 0);
11145 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11146 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11148 if (nBuffers > 1) {
11149 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11150 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11151 nBytes = MSG_SIZ - 1;
11153 (void) memcpy(msg, buffer, nBytes);
11155 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11157 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11158 cmailMailedMove = TRUE; /* Prevent >1 moves */
11161 for (i = 0; i < nCmailGames; i ++) {
11162 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11167 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11169 sprintf(buffer, "%s/%s.%s.archive",
11171 appData.cmailGameName,
11173 LoadGameFromFile(buffer, 1, buffer, FALSE);
11174 cmailMsgLoaded = FALSE;
11178 DisplayInformation(msg);
11179 pclose(commandOutput);
11182 if ((*cmailMsg) != '\0') {
11183 DisplayInformation(cmailMsg);
11188 #endif /* !WIN32 */
11197 int prependComma = 0;
11199 char string[MSG_SIZ]; /* Space for game-list */
11202 if (!cmailMsgLoaded) return "";
11204 if (cmailMailedMove) {
11205 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11207 /* Create a list of games left */
11208 sprintf(string, "[");
11209 for (i = 0; i < nCmailGames; i ++) {
11210 if (! ( cmailMoveRegistered[i]
11211 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11212 if (prependComma) {
11213 sprintf(number, ",%d", i + 1);
11215 sprintf(number, "%d", i + 1);
11219 strcat(string, number);
11222 strcat(string, "]");
11224 if (nCmailMovesRegistered + nCmailResults == 0) {
11225 switch (nCmailGames) {
11228 _("Still need to make move for game\n"));
11233 _("Still need to make moves for both games\n"));
11238 _("Still need to make moves for all %d games\n"),
11243 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11246 _("Still need to make a move for game %s\n"),
11251 if (nCmailResults == nCmailGames) {
11252 sprintf(cmailMsg, _("No unfinished games\n"));
11254 sprintf(cmailMsg, _("Ready to send mail\n"));
11260 _("Still need to make moves for games %s\n"),
11272 if (gameMode == Training)
11273 SetTrainingModeOff();
11276 cmailMsgLoaded = FALSE;
11277 if (appData.icsActive) {
11278 SendToICS(ics_prefix);
11279 SendToICS("refresh\n");
11289 /* Give up on clean exit */
11293 /* Keep trying for clean exit */
11297 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11299 if (telnetISR != NULL) {
11300 RemoveInputSource(telnetISR);
11302 if (icsPR != NoProc) {
11303 DestroyChildProcess(icsPR, TRUE);
11306 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11307 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11309 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11310 /* make sure this other one finishes before killing it! */
11311 if(endingGame) { int count = 0;
11312 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11313 while(endingGame && count++ < 10) DoSleep(1);
11314 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11317 /* Kill off chess programs */
11318 if (first.pr != NoProc) {
11321 DoSleep( appData.delayBeforeQuit );
11322 SendToProgram("quit\n", &first);
11323 DoSleep( appData.delayAfterQuit );
11324 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11326 if (second.pr != NoProc) {
11327 DoSleep( appData.delayBeforeQuit );
11328 SendToProgram("quit\n", &second);
11329 DoSleep( appData.delayAfterQuit );
11330 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11332 if (first.isr != NULL) {
11333 RemoveInputSource(first.isr);
11335 if (second.isr != NULL) {
11336 RemoveInputSource(second.isr);
11339 ShutDownFrontEnd();
11346 if (appData.debugMode)
11347 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11351 if (gameMode == MachinePlaysWhite ||
11352 gameMode == MachinePlaysBlack) {
11355 DisplayBothClocks();
11357 if (gameMode == PlayFromGameFile) {
11358 if (appData.timeDelay >= 0)
11359 AutoPlayGameLoop();
11360 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11361 Reset(FALSE, TRUE);
11362 SendToICS(ics_prefix);
11363 SendToICS("refresh\n");
11364 } else if (currentMove < forwardMostMove) {
11365 ForwardInner(forwardMostMove);
11367 pauseExamInvalid = FALSE;
11369 switch (gameMode) {
11373 pauseExamForwardMostMove = forwardMostMove;
11374 pauseExamInvalid = FALSE;
11377 case IcsPlayingWhite:
11378 case IcsPlayingBlack:
11382 case PlayFromGameFile:
11383 (void) StopLoadGameTimer();
11387 case BeginningOfGame:
11388 if (appData.icsActive) return;
11389 /* else fall through */
11390 case MachinePlaysWhite:
11391 case MachinePlaysBlack:
11392 case TwoMachinesPlay:
11393 if (forwardMostMove == 0)
11394 return; /* don't pause if no one has moved */
11395 if ((gameMode == MachinePlaysWhite &&
11396 !WhiteOnMove(forwardMostMove)) ||
11397 (gameMode == MachinePlaysBlack &&
11398 WhiteOnMove(forwardMostMove))) {
11411 char title[MSG_SIZ];
11413 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11414 strcpy(title, _("Edit comment"));
11416 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11417 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11418 parseList[currentMove - 1]);
11421 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11428 char *tags = PGNTags(&gameInfo);
11429 EditTagsPopUp(tags);
11436 if (appData.noChessProgram || gameMode == AnalyzeMode)
11439 if (gameMode != AnalyzeFile) {
11440 if (!appData.icsEngineAnalyze) {
11442 if (gameMode != EditGame) return;
11444 ResurrectChessProgram();
11445 SendToProgram("analyze\n", &first);
11446 first.analyzing = TRUE;
11447 /*first.maybeThinking = TRUE;*/
11448 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11449 EngineOutputPopUp();
11451 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11456 StartAnalysisClock();
11457 GetTimeMark(&lastNodeCountTime);
11464 if (appData.noChessProgram || gameMode == AnalyzeFile)
11467 if (gameMode != AnalyzeMode) {
11469 if (gameMode != EditGame) return;
11470 ResurrectChessProgram();
11471 SendToProgram("analyze\n", &first);
11472 first.analyzing = TRUE;
11473 /*first.maybeThinking = TRUE;*/
11474 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11475 EngineOutputPopUp();
11477 gameMode = AnalyzeFile;
11482 StartAnalysisClock();
11483 GetTimeMark(&lastNodeCountTime);
11488 MachineWhiteEvent()
11491 char *bookHit = NULL;
11493 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11497 if (gameMode == PlayFromGameFile ||
11498 gameMode == TwoMachinesPlay ||
11499 gameMode == Training ||
11500 gameMode == AnalyzeMode ||
11501 gameMode == EndOfGame)
11504 if (gameMode == EditPosition)
11505 EditPositionDone(TRUE);
11507 if (!WhiteOnMove(currentMove)) {
11508 DisplayError(_("It is not White's turn"), 0);
11512 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11515 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11516 gameMode == AnalyzeFile)
11519 ResurrectChessProgram(); /* in case it isn't running */
11520 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11521 gameMode = MachinePlaysWhite;
11524 gameMode = MachinePlaysWhite;
11528 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11530 if (first.sendName) {
11531 sprintf(buf, "name %s\n", gameInfo.black);
11532 SendToProgram(buf, &first);
11534 if (first.sendTime) {
11535 if (first.useColors) {
11536 SendToProgram("black\n", &first); /*gnu kludge*/
11538 SendTimeRemaining(&first, TRUE);
11540 if (first.useColors) {
11541 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11543 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11544 SetMachineThinkingEnables();
11545 first.maybeThinking = TRUE;
11549 if (appData.autoFlipView && !flipView) {
11550 flipView = !flipView;
11551 DrawPosition(FALSE, NULL);
11552 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11555 if(bookHit) { // [HGM] book: simulate book reply
11556 static char bookMove[MSG_SIZ]; // a bit generous?
11558 programStats.nodes = programStats.depth = programStats.time =
11559 programStats.score = programStats.got_only_move = 0;
11560 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11562 strcpy(bookMove, "move ");
11563 strcat(bookMove, bookHit);
11564 HandleMachineMove(bookMove, &first);
11569 MachineBlackEvent()
11572 char *bookHit = NULL;
11574 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11578 if (gameMode == PlayFromGameFile ||
11579 gameMode == TwoMachinesPlay ||
11580 gameMode == Training ||
11581 gameMode == AnalyzeMode ||
11582 gameMode == EndOfGame)
11585 if (gameMode == EditPosition)
11586 EditPositionDone(TRUE);
11588 if (WhiteOnMove(currentMove)) {
11589 DisplayError(_("It is not Black's turn"), 0);
11593 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11596 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11597 gameMode == AnalyzeFile)
11600 ResurrectChessProgram(); /* in case it isn't running */
11601 gameMode = MachinePlaysBlack;
11605 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11607 if (first.sendName) {
11608 sprintf(buf, "name %s\n", gameInfo.white);
11609 SendToProgram(buf, &first);
11611 if (first.sendTime) {
11612 if (first.useColors) {
11613 SendToProgram("white\n", &first); /*gnu kludge*/
11615 SendTimeRemaining(&first, FALSE);
11617 if (first.useColors) {
11618 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11620 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11621 SetMachineThinkingEnables();
11622 first.maybeThinking = TRUE;
11625 if (appData.autoFlipView && flipView) {
11626 flipView = !flipView;
11627 DrawPosition(FALSE, NULL);
11628 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11630 if(bookHit) { // [HGM] book: simulate book reply
11631 static char bookMove[MSG_SIZ]; // a bit generous?
11633 programStats.nodes = programStats.depth = programStats.time =
11634 programStats.score = programStats.got_only_move = 0;
11635 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11637 strcpy(bookMove, "move ");
11638 strcat(bookMove, bookHit);
11639 HandleMachineMove(bookMove, &first);
11645 DisplayTwoMachinesTitle()
11648 if (appData.matchGames > 0) {
11649 if (first.twoMachinesColor[0] == 'w') {
11650 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11651 gameInfo.white, gameInfo.black,
11652 first.matchWins, second.matchWins,
11653 matchGame - 1 - (first.matchWins + second.matchWins));
11655 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11656 gameInfo.white, gameInfo.black,
11657 second.matchWins, first.matchWins,
11658 matchGame - 1 - (first.matchWins + second.matchWins));
11661 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11667 TwoMachinesEvent P((void))
11671 ChessProgramState *onmove;
11672 char *bookHit = NULL;
11674 if (appData.noChessProgram) return;
11676 switch (gameMode) {
11677 case TwoMachinesPlay:
11679 case MachinePlaysWhite:
11680 case MachinePlaysBlack:
11681 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11682 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11686 case BeginningOfGame:
11687 case PlayFromGameFile:
11690 if (gameMode != EditGame) return;
11693 EditPositionDone(TRUE);
11704 // forwardMostMove = currentMove;
11705 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11706 ResurrectChessProgram(); /* in case first program isn't running */
11708 if (second.pr == NULL) {
11709 StartChessProgram(&second);
11710 if (second.protocolVersion == 1) {
11711 TwoMachinesEventIfReady();
11713 /* kludge: allow timeout for initial "feature" command */
11715 DisplayMessage("", _("Starting second chess program"));
11716 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11720 DisplayMessage("", "");
11721 InitChessProgram(&second, FALSE);
11722 SendToProgram("force\n", &second);
11723 if (startedFromSetupPosition) {
11724 SendBoard(&second, backwardMostMove);
11725 if (appData.debugMode) {
11726 fprintf(debugFP, "Two Machines\n");
11729 for (i = backwardMostMove; i < forwardMostMove; i++) {
11730 SendMoveToProgram(i, &second);
11733 gameMode = TwoMachinesPlay;
11737 DisplayTwoMachinesTitle();
11739 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11745 SendToProgram(first.computerString, &first);
11746 if (first.sendName) {
11747 sprintf(buf, "name %s\n", second.tidy);
11748 SendToProgram(buf, &first);
11750 SendToProgram(second.computerString, &second);
11751 if (second.sendName) {
11752 sprintf(buf, "name %s\n", first.tidy);
11753 SendToProgram(buf, &second);
11757 if (!first.sendTime || !second.sendTime) {
11758 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11759 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11761 if (onmove->sendTime) {
11762 if (onmove->useColors) {
11763 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11765 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11767 if (onmove->useColors) {
11768 SendToProgram(onmove->twoMachinesColor, onmove);
11770 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11771 // SendToProgram("go\n", onmove);
11772 onmove->maybeThinking = TRUE;
11773 SetMachineThinkingEnables();
11777 if(bookHit) { // [HGM] book: simulate book reply
11778 static char bookMove[MSG_SIZ]; // a bit generous?
11780 programStats.nodes = programStats.depth = programStats.time =
11781 programStats.score = programStats.got_only_move = 0;
11782 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11784 strcpy(bookMove, "move ");
11785 strcat(bookMove, bookHit);
11786 savedMessage = bookMove; // args for deferred call
11787 savedState = onmove;
11788 ScheduleDelayedEvent(DeferredBookMove, 1);
11795 if (gameMode == Training) {
11796 SetTrainingModeOff();
11797 gameMode = PlayFromGameFile;
11798 DisplayMessage("", _("Training mode off"));
11800 gameMode = Training;
11801 animateTraining = appData.animate;
11803 /* make sure we are not already at the end of the game */
11804 if (currentMove < forwardMostMove) {
11805 SetTrainingModeOn();
11806 DisplayMessage("", _("Training mode on"));
11808 gameMode = PlayFromGameFile;
11809 DisplayError(_("Already at end of game"), 0);
11818 if (!appData.icsActive) return;
11819 switch (gameMode) {
11820 case IcsPlayingWhite:
11821 case IcsPlayingBlack:
11824 case BeginningOfGame:
11832 EditPositionDone(TRUE);
11845 gameMode = IcsIdle;
11856 switch (gameMode) {
11858 SetTrainingModeOff();
11860 case MachinePlaysWhite:
11861 case MachinePlaysBlack:
11862 case BeginningOfGame:
11863 SendToProgram("force\n", &first);
11864 SetUserThinkingEnables();
11866 case PlayFromGameFile:
11867 (void) StopLoadGameTimer();
11868 if (gameFileFP != NULL) {
11873 EditPositionDone(TRUE);
11878 SendToProgram("force\n", &first);
11880 case TwoMachinesPlay:
11881 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11882 ResurrectChessProgram();
11883 SetUserThinkingEnables();
11886 ResurrectChessProgram();
11888 case IcsPlayingBlack:
11889 case IcsPlayingWhite:
11890 DisplayError(_("Warning: You are still playing a game"), 0);
11893 DisplayError(_("Warning: You are still observing a game"), 0);
11896 DisplayError(_("Warning: You are still examining a game"), 0);
11907 first.offeredDraw = second.offeredDraw = 0;
11909 if (gameMode == PlayFromGameFile) {
11910 whiteTimeRemaining = timeRemaining[0][currentMove];
11911 blackTimeRemaining = timeRemaining[1][currentMove];
11915 if (gameMode == MachinePlaysWhite ||
11916 gameMode == MachinePlaysBlack ||
11917 gameMode == TwoMachinesPlay ||
11918 gameMode == EndOfGame) {
11919 i = forwardMostMove;
11920 while (i > currentMove) {
11921 SendToProgram("undo\n", &first);
11924 whiteTimeRemaining = timeRemaining[0][currentMove];
11925 blackTimeRemaining = timeRemaining[1][currentMove];
11926 DisplayBothClocks();
11927 if (whiteFlag || blackFlag) {
11928 whiteFlag = blackFlag = 0;
11933 gameMode = EditGame;
11940 EditPositionEvent()
11942 if (gameMode == EditPosition) {
11948 if (gameMode != EditGame) return;
11950 gameMode = EditPosition;
11953 if (currentMove > 0)
11954 CopyBoard(boards[0], boards[currentMove]);
11956 blackPlaysFirst = !WhiteOnMove(currentMove);
11958 currentMove = forwardMostMove = backwardMostMove = 0;
11959 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11966 /* [DM] icsEngineAnalyze - possible call from other functions */
11967 if (appData.icsEngineAnalyze) {
11968 appData.icsEngineAnalyze = FALSE;
11970 DisplayMessage("",_("Close ICS engine analyze..."));
11972 if (first.analysisSupport && first.analyzing) {
11973 SendToProgram("exit\n", &first);
11974 first.analyzing = FALSE;
11976 thinkOutput[0] = NULLCHAR;
11980 EditPositionDone(Boolean fakeRights)
11982 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11984 startedFromSetupPosition = TRUE;
11985 InitChessProgram(&first, FALSE);
11986 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11987 boards[0][EP_STATUS] = EP_NONE;
11988 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11989 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11990 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11991 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11992 } else boards[0][CASTLING][2] = NoRights;
11993 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11994 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11995 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11996 } else boards[0][CASTLING][5] = NoRights;
11998 SendToProgram("force\n", &first);
11999 if (blackPlaysFirst) {
12000 strcpy(moveList[0], "");
12001 strcpy(parseList[0], "");
12002 currentMove = forwardMostMove = backwardMostMove = 1;
12003 CopyBoard(boards[1], boards[0]);
12005 currentMove = forwardMostMove = backwardMostMove = 0;
12007 SendBoard(&first, forwardMostMove);
12008 if (appData.debugMode) {
12009 fprintf(debugFP, "EditPosDone\n");
12012 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12013 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12014 gameMode = EditGame;
12016 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12017 ClearHighlights(); /* [AS] */
12020 /* Pause for `ms' milliseconds */
12021 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12031 } while (SubtractTimeMarks(&m2, &m1) < ms);
12034 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12036 SendMultiLineToICS(buf)
12039 char temp[MSG_SIZ+1], *p;
12046 strncpy(temp, buf, len);
12051 if (*p == '\n' || *p == '\r')
12056 strcat(temp, "\n");
12058 SendToPlayer(temp, strlen(temp));
12062 SetWhiteToPlayEvent()
12064 if (gameMode == EditPosition) {
12065 blackPlaysFirst = FALSE;
12066 DisplayBothClocks(); /* works because currentMove is 0 */
12067 } else if (gameMode == IcsExamining) {
12068 SendToICS(ics_prefix);
12069 SendToICS("tomove white\n");
12074 SetBlackToPlayEvent()
12076 if (gameMode == EditPosition) {
12077 blackPlaysFirst = TRUE;
12078 currentMove = 1; /* kludge */
12079 DisplayBothClocks();
12081 } else if (gameMode == IcsExamining) {
12082 SendToICS(ics_prefix);
12083 SendToICS("tomove black\n");
12088 EditPositionMenuEvent(selection, x, y)
12089 ChessSquare selection;
12093 ChessSquare piece = boards[0][y][x];
12095 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12097 switch (selection) {
12099 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12100 SendToICS(ics_prefix);
12101 SendToICS("bsetup clear\n");
12102 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12103 SendToICS(ics_prefix);
12104 SendToICS("clearboard\n");
12106 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12107 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12108 for (y = 0; y < BOARD_HEIGHT; y++) {
12109 if (gameMode == IcsExamining) {
12110 if (boards[currentMove][y][x] != EmptySquare) {
12111 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12116 boards[0][y][x] = p;
12121 if (gameMode == EditPosition) {
12122 DrawPosition(FALSE, boards[0]);
12127 SetWhiteToPlayEvent();
12131 SetBlackToPlayEvent();
12135 if (gameMode == IcsExamining) {
12136 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12137 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12140 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12141 if(x == BOARD_LEFT-2) {
12142 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12143 boards[0][y][1] = 0;
12145 if(x == BOARD_RGHT+1) {
12146 if(y >= gameInfo.holdingsSize) break;
12147 boards[0][y][BOARD_WIDTH-2] = 0;
12150 boards[0][y][x] = EmptySquare;
12151 DrawPosition(FALSE, boards[0]);
12156 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12157 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12158 selection = (ChessSquare) (PROMOTED piece);
12159 } else if(piece == EmptySquare) selection = WhiteSilver;
12160 else selection = (ChessSquare)((int)piece - 1);
12164 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12165 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12166 selection = (ChessSquare) (DEMOTED piece);
12167 } else if(piece == EmptySquare) selection = BlackSilver;
12168 else selection = (ChessSquare)((int)piece + 1);
12173 if(gameInfo.variant == VariantShatranj ||
12174 gameInfo.variant == VariantXiangqi ||
12175 gameInfo.variant == VariantCourier ||
12176 gameInfo.variant == VariantMakruk )
12177 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12182 if(gameInfo.variant == VariantXiangqi)
12183 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12184 if(gameInfo.variant == VariantKnightmate)
12185 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12188 if (gameMode == IcsExamining) {
12189 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12190 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12191 PieceToChar(selection), AAA + x, ONE + y);
12194 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12196 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12197 n = PieceToNumber(selection - BlackPawn);
12198 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12199 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12200 boards[0][BOARD_HEIGHT-1-n][1]++;
12202 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12203 n = PieceToNumber(selection);
12204 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12205 boards[0][n][BOARD_WIDTH-1] = selection;
12206 boards[0][n][BOARD_WIDTH-2]++;
12209 boards[0][y][x] = selection;
12210 DrawPosition(TRUE, boards[0]);
12218 DropMenuEvent(selection, x, y)
12219 ChessSquare selection;
12222 ChessMove moveType;
12224 switch (gameMode) {
12225 case IcsPlayingWhite:
12226 case MachinePlaysBlack:
12227 if (!WhiteOnMove(currentMove)) {
12228 DisplayMoveError(_("It is Black's turn"));
12231 moveType = WhiteDrop;
12233 case IcsPlayingBlack:
12234 case MachinePlaysWhite:
12235 if (WhiteOnMove(currentMove)) {
12236 DisplayMoveError(_("It is White's turn"));
12239 moveType = BlackDrop;
12242 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12248 if (moveType == BlackDrop && selection < BlackPawn) {
12249 selection = (ChessSquare) ((int) selection
12250 + (int) BlackPawn - (int) WhitePawn);
12252 if (boards[currentMove][y][x] != EmptySquare) {
12253 DisplayMoveError(_("That square is occupied"));
12257 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12263 /* Accept a pending offer of any kind from opponent */
12265 if (appData.icsActive) {
12266 SendToICS(ics_prefix);
12267 SendToICS("accept\n");
12268 } else if (cmailMsgLoaded) {
12269 if (currentMove == cmailOldMove &&
12270 commentList[cmailOldMove] != NULL &&
12271 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12272 "Black offers a draw" : "White offers a draw")) {
12274 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12275 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12277 DisplayError(_("There is no pending offer on this move"), 0);
12278 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12281 /* Not used for offers from chess program */
12288 /* Decline a pending offer of any kind from opponent */
12290 if (appData.icsActive) {
12291 SendToICS(ics_prefix);
12292 SendToICS("decline\n");
12293 } else if (cmailMsgLoaded) {
12294 if (currentMove == cmailOldMove &&
12295 commentList[cmailOldMove] != NULL &&
12296 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12297 "Black offers a draw" : "White offers a draw")) {
12299 AppendComment(cmailOldMove, "Draw declined", TRUE);
12300 DisplayComment(cmailOldMove - 1, "Draw declined");
12303 DisplayError(_("There is no pending offer on this move"), 0);
12306 /* Not used for offers from chess program */
12313 /* Issue ICS rematch command */
12314 if (appData.icsActive) {
12315 SendToICS(ics_prefix);
12316 SendToICS("rematch\n");
12323 /* Call your opponent's flag (claim a win on time) */
12324 if (appData.icsActive) {
12325 SendToICS(ics_prefix);
12326 SendToICS("flag\n");
12328 switch (gameMode) {
12331 case MachinePlaysWhite:
12334 GameEnds(GameIsDrawn, "Both players ran out of time",
12337 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12339 DisplayError(_("Your opponent is not out of time"), 0);
12342 case MachinePlaysBlack:
12345 GameEnds(GameIsDrawn, "Both players ran out of time",
12348 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12350 DisplayError(_("Your opponent is not out of time"), 0);
12360 /* Offer draw or accept pending draw offer from opponent */
12362 if (appData.icsActive) {
12363 /* Note: tournament rules require draw offers to be
12364 made after you make your move but before you punch
12365 your clock. Currently ICS doesn't let you do that;
12366 instead, you immediately punch your clock after making
12367 a move, but you can offer a draw at any time. */
12369 SendToICS(ics_prefix);
12370 SendToICS("draw\n");
12371 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12372 } else if (cmailMsgLoaded) {
12373 if (currentMove == cmailOldMove &&
12374 commentList[cmailOldMove] != NULL &&
12375 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12376 "Black offers a draw" : "White offers a draw")) {
12377 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12378 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12379 } else if (currentMove == cmailOldMove + 1) {
12380 char *offer = WhiteOnMove(cmailOldMove) ?
12381 "White offers a draw" : "Black offers a draw";
12382 AppendComment(currentMove, offer, TRUE);
12383 DisplayComment(currentMove - 1, offer);
12384 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12386 DisplayError(_("You must make your move before offering a draw"), 0);
12387 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12389 } else if (first.offeredDraw) {
12390 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12392 if (first.sendDrawOffers) {
12393 SendToProgram("draw\n", &first);
12394 userOfferedDraw = TRUE;
12402 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12404 if (appData.icsActive) {
12405 SendToICS(ics_prefix);
12406 SendToICS("adjourn\n");
12408 /* Currently GNU Chess doesn't offer or accept Adjourns */
12416 /* Offer Abort or accept pending Abort offer from opponent */
12418 if (appData.icsActive) {
12419 SendToICS(ics_prefix);
12420 SendToICS("abort\n");
12422 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12429 /* Resign. You can do this even if it's not your turn. */
12431 if (appData.icsActive) {
12432 SendToICS(ics_prefix);
12433 SendToICS("resign\n");
12435 switch (gameMode) {
12436 case MachinePlaysWhite:
12437 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12439 case MachinePlaysBlack:
12440 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12443 if (cmailMsgLoaded) {
12445 if (WhiteOnMove(cmailOldMove)) {
12446 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12448 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12450 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12461 StopObservingEvent()
12463 /* Stop observing current games */
12464 SendToICS(ics_prefix);
12465 SendToICS("unobserve\n");
12469 StopExaminingEvent()
12471 /* Stop observing current game */
12472 SendToICS(ics_prefix);
12473 SendToICS("unexamine\n");
12477 ForwardInner(target)
12482 if (appData.debugMode)
12483 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12484 target, currentMove, forwardMostMove);
12486 if (gameMode == EditPosition)
12489 if (gameMode == PlayFromGameFile && !pausing)
12492 if (gameMode == IcsExamining && pausing)
12493 limit = pauseExamForwardMostMove;
12495 limit = forwardMostMove;
12497 if (target > limit) target = limit;
12499 if (target > 0 && moveList[target - 1][0]) {
12500 int fromX, fromY, toX, toY;
12501 toX = moveList[target - 1][2] - AAA;
12502 toY = moveList[target - 1][3] - ONE;
12503 if (moveList[target - 1][1] == '@') {
12504 if (appData.highlightLastMove) {
12505 SetHighlights(-1, -1, toX, toY);
12508 fromX = moveList[target - 1][0] - AAA;
12509 fromY = moveList[target - 1][1] - ONE;
12510 if (target == currentMove + 1) {
12511 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12513 if (appData.highlightLastMove) {
12514 SetHighlights(fromX, fromY, toX, toY);
12518 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12519 gameMode == Training || gameMode == PlayFromGameFile ||
12520 gameMode == AnalyzeFile) {
12521 while (currentMove < target) {
12522 SendMoveToProgram(currentMove++, &first);
12525 currentMove = target;
12528 if (gameMode == EditGame || gameMode == EndOfGame) {
12529 whiteTimeRemaining = timeRemaining[0][currentMove];
12530 blackTimeRemaining = timeRemaining[1][currentMove];
12532 DisplayBothClocks();
12533 DisplayMove(currentMove - 1);
12534 DrawPosition(FALSE, boards[currentMove]);
12535 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12536 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12537 DisplayComment(currentMove - 1, commentList[currentMove]);
12545 if (gameMode == IcsExamining && !pausing) {
12546 SendToICS(ics_prefix);
12547 SendToICS("forward\n");
12549 ForwardInner(currentMove + 1);
12556 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12557 /* to optimze, we temporarily turn off analysis mode while we feed
12558 * the remaining moves to the engine. Otherwise we get analysis output
12561 if (first.analysisSupport) {
12562 SendToProgram("exit\nforce\n", &first);
12563 first.analyzing = FALSE;
12567 if (gameMode == IcsExamining && !pausing) {
12568 SendToICS(ics_prefix);
12569 SendToICS("forward 999999\n");
12571 ForwardInner(forwardMostMove);
12574 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12575 /* we have fed all the moves, so reactivate analysis mode */
12576 SendToProgram("analyze\n", &first);
12577 first.analyzing = TRUE;
12578 /*first.maybeThinking = TRUE;*/
12579 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12584 BackwardInner(target)
12587 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12589 if (appData.debugMode)
12590 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12591 target, currentMove, forwardMostMove);
12593 if (gameMode == EditPosition) return;
12594 if (currentMove <= backwardMostMove) {
12596 DrawPosition(full_redraw, boards[currentMove]);
12599 if (gameMode == PlayFromGameFile && !pausing)
12602 if (moveList[target][0]) {
12603 int fromX, fromY, toX, toY;
12604 toX = moveList[target][2] - AAA;
12605 toY = moveList[target][3] - ONE;
12606 if (moveList[target][1] == '@') {
12607 if (appData.highlightLastMove) {
12608 SetHighlights(-1, -1, toX, toY);
12611 fromX = moveList[target][0] - AAA;
12612 fromY = moveList[target][1] - ONE;
12613 if (target == currentMove - 1) {
12614 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12616 if (appData.highlightLastMove) {
12617 SetHighlights(fromX, fromY, toX, toY);
12621 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12622 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12623 while (currentMove > target) {
12624 SendToProgram("undo\n", &first);
12628 currentMove = target;
12631 if (gameMode == EditGame || gameMode == EndOfGame) {
12632 whiteTimeRemaining = timeRemaining[0][currentMove];
12633 blackTimeRemaining = timeRemaining[1][currentMove];
12635 DisplayBothClocks();
12636 DisplayMove(currentMove - 1);
12637 DrawPosition(full_redraw, boards[currentMove]);
12638 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12639 // [HGM] PV info: routine tests if comment empty
12640 DisplayComment(currentMove - 1, commentList[currentMove]);
12646 if (gameMode == IcsExamining && !pausing) {
12647 SendToICS(ics_prefix);
12648 SendToICS("backward\n");
12650 BackwardInner(currentMove - 1);
12657 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12658 /* to optimize, we temporarily turn off analysis mode while we undo
12659 * all the moves. Otherwise we get analysis output after each undo.
12661 if (first.analysisSupport) {
12662 SendToProgram("exit\nforce\n", &first);
12663 first.analyzing = FALSE;
12667 if (gameMode == IcsExamining && !pausing) {
12668 SendToICS(ics_prefix);
12669 SendToICS("backward 999999\n");
12671 BackwardInner(backwardMostMove);
12674 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12675 /* we have fed all the moves, so reactivate analysis mode */
12676 SendToProgram("analyze\n", &first);
12677 first.analyzing = TRUE;
12678 /*first.maybeThinking = TRUE;*/
12679 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12686 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12687 if (to >= forwardMostMove) to = forwardMostMove;
12688 if (to <= backwardMostMove) to = backwardMostMove;
12689 if (to < currentMove) {
12697 RevertEvent(Boolean annotate)
12699 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12702 if (gameMode != IcsExamining) {
12703 DisplayError(_("You are not examining a game"), 0);
12707 DisplayError(_("You can't revert while pausing"), 0);
12710 SendToICS(ics_prefix);
12711 SendToICS("revert\n");
12717 switch (gameMode) {
12718 case MachinePlaysWhite:
12719 case MachinePlaysBlack:
12720 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12721 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12724 if (forwardMostMove < 2) return;
12725 currentMove = forwardMostMove = forwardMostMove - 2;
12726 whiteTimeRemaining = timeRemaining[0][currentMove];
12727 blackTimeRemaining = timeRemaining[1][currentMove];
12728 DisplayBothClocks();
12729 DisplayMove(currentMove - 1);
12730 ClearHighlights();/*!! could figure this out*/
12731 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12732 SendToProgram("remove\n", &first);
12733 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12736 case BeginningOfGame:
12740 case IcsPlayingWhite:
12741 case IcsPlayingBlack:
12742 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12743 SendToICS(ics_prefix);
12744 SendToICS("takeback 2\n");
12746 SendToICS(ics_prefix);
12747 SendToICS("takeback 1\n");
12756 ChessProgramState *cps;
12758 switch (gameMode) {
12759 case MachinePlaysWhite:
12760 if (!WhiteOnMove(forwardMostMove)) {
12761 DisplayError(_("It is your turn"), 0);
12766 case MachinePlaysBlack:
12767 if (WhiteOnMove(forwardMostMove)) {
12768 DisplayError(_("It is your turn"), 0);
12773 case TwoMachinesPlay:
12774 if (WhiteOnMove(forwardMostMove) ==
12775 (first.twoMachinesColor[0] == 'w')) {
12781 case BeginningOfGame:
12785 SendToProgram("?\n", cps);
12789 TruncateGameEvent()
12792 if (gameMode != EditGame) return;
12799 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12800 if (forwardMostMove > currentMove) {
12801 if (gameInfo.resultDetails != NULL) {
12802 free(gameInfo.resultDetails);
12803 gameInfo.resultDetails = NULL;
12804 gameInfo.result = GameUnfinished;
12806 forwardMostMove = currentMove;
12807 HistorySet(parseList, backwardMostMove, forwardMostMove,
12815 if (appData.noChessProgram) return;
12816 switch (gameMode) {
12817 case MachinePlaysWhite:
12818 if (WhiteOnMove(forwardMostMove)) {
12819 DisplayError(_("Wait until your turn"), 0);
12823 case BeginningOfGame:
12824 case MachinePlaysBlack:
12825 if (!WhiteOnMove(forwardMostMove)) {
12826 DisplayError(_("Wait until your turn"), 0);
12831 DisplayError(_("No hint available"), 0);
12834 SendToProgram("hint\n", &first);
12835 hintRequested = TRUE;
12841 if (appData.noChessProgram) return;
12842 switch (gameMode) {
12843 case MachinePlaysWhite:
12844 if (WhiteOnMove(forwardMostMove)) {
12845 DisplayError(_("Wait until your turn"), 0);
12849 case BeginningOfGame:
12850 case MachinePlaysBlack:
12851 if (!WhiteOnMove(forwardMostMove)) {
12852 DisplayError(_("Wait until your turn"), 0);
12857 EditPositionDone(TRUE);
12859 case TwoMachinesPlay:
12864 SendToProgram("bk\n", &first);
12865 bookOutput[0] = NULLCHAR;
12866 bookRequested = TRUE;
12872 char *tags = PGNTags(&gameInfo);
12873 TagsPopUp(tags, CmailMsg());
12877 /* end button procedures */
12880 PrintPosition(fp, move)
12886 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12887 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12888 char c = PieceToChar(boards[move][i][j]);
12889 fputc(c == 'x' ? '.' : c, fp);
12890 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12893 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12894 fprintf(fp, "white to play\n");
12896 fprintf(fp, "black to play\n");
12903 if (gameInfo.white != NULL) {
12904 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12910 /* Find last component of program's own name, using some heuristics */
12912 TidyProgramName(prog, host, buf)
12913 char *prog, *host, buf[MSG_SIZ];
12916 int local = (strcmp(host, "localhost") == 0);
12917 while (!local && (p = strchr(prog, ';')) != NULL) {
12919 while (*p == ' ') p++;
12922 if (*prog == '"' || *prog == '\'') {
12923 q = strchr(prog + 1, *prog);
12925 q = strchr(prog, ' ');
12927 if (q == NULL) q = prog + strlen(prog);
12929 while (p >= prog && *p != '/' && *p != '\\') p--;
12931 if(p == prog && *p == '"') p++;
12932 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12933 memcpy(buf, p, q - p);
12934 buf[q - p] = NULLCHAR;
12942 TimeControlTagValue()
12945 if (!appData.clockMode) {
12947 } else if (movesPerSession > 0) {
12948 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12949 } else if (timeIncrement == 0) {
12950 sprintf(buf, "%ld", timeControl/1000);
12952 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12954 return StrSave(buf);
12960 /* This routine is used only for certain modes */
12961 VariantClass v = gameInfo.variant;
12962 ChessMove r = GameUnfinished;
12965 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12966 r = gameInfo.result;
12967 p = gameInfo.resultDetails;
12968 gameInfo.resultDetails = NULL;
12970 ClearGameInfo(&gameInfo);
12971 gameInfo.variant = v;
12973 switch (gameMode) {
12974 case MachinePlaysWhite:
12975 gameInfo.event = StrSave( appData.pgnEventHeader );
12976 gameInfo.site = StrSave(HostName());
12977 gameInfo.date = PGNDate();
12978 gameInfo.round = StrSave("-");
12979 gameInfo.white = StrSave(first.tidy);
12980 gameInfo.black = StrSave(UserName());
12981 gameInfo.timeControl = TimeControlTagValue();
12984 case MachinePlaysBlack:
12985 gameInfo.event = StrSave( appData.pgnEventHeader );
12986 gameInfo.site = StrSave(HostName());
12987 gameInfo.date = PGNDate();
12988 gameInfo.round = StrSave("-");
12989 gameInfo.white = StrSave(UserName());
12990 gameInfo.black = StrSave(first.tidy);
12991 gameInfo.timeControl = TimeControlTagValue();
12994 case TwoMachinesPlay:
12995 gameInfo.event = StrSave( appData.pgnEventHeader );
12996 gameInfo.site = StrSave(HostName());
12997 gameInfo.date = PGNDate();
12998 if (matchGame > 0) {
13000 sprintf(buf, "%d", matchGame);
13001 gameInfo.round = StrSave(buf);
13003 gameInfo.round = StrSave("-");
13005 if (first.twoMachinesColor[0] == 'w') {
13006 gameInfo.white = StrSave(first.tidy);
13007 gameInfo.black = StrSave(second.tidy);
13009 gameInfo.white = StrSave(second.tidy);
13010 gameInfo.black = StrSave(first.tidy);
13012 gameInfo.timeControl = TimeControlTagValue();
13016 gameInfo.event = StrSave("Edited game");
13017 gameInfo.site = StrSave(HostName());
13018 gameInfo.date = PGNDate();
13019 gameInfo.round = StrSave("-");
13020 gameInfo.white = StrSave("-");
13021 gameInfo.black = StrSave("-");
13022 gameInfo.result = r;
13023 gameInfo.resultDetails = p;
13027 gameInfo.event = StrSave("Edited position");
13028 gameInfo.site = StrSave(HostName());
13029 gameInfo.date = PGNDate();
13030 gameInfo.round = StrSave("-");
13031 gameInfo.white = StrSave("-");
13032 gameInfo.black = StrSave("-");
13035 case IcsPlayingWhite:
13036 case IcsPlayingBlack:
13041 case PlayFromGameFile:
13042 gameInfo.event = StrSave("Game from non-PGN file");
13043 gameInfo.site = StrSave(HostName());
13044 gameInfo.date = PGNDate();
13045 gameInfo.round = StrSave("-");
13046 gameInfo.white = StrSave("?");
13047 gameInfo.black = StrSave("?");
13056 ReplaceComment(index, text)
13062 while (*text == '\n') text++;
13063 len = strlen(text);
13064 while (len > 0 && text[len - 1] == '\n') len--;
13066 if (commentList[index] != NULL)
13067 free(commentList[index]);
13070 commentList[index] = NULL;
13073 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13074 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13075 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13076 commentList[index] = (char *) malloc(len + 2);
13077 strncpy(commentList[index], text, len);
13078 commentList[index][len] = '\n';
13079 commentList[index][len + 1] = NULLCHAR;
13081 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13083 commentList[index] = (char *) malloc(len + 6);
13084 strcpy(commentList[index], "{\n");
13085 strncpy(commentList[index]+2, text, len);
13086 commentList[index][len+2] = NULLCHAR;
13087 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13088 strcat(commentList[index], "\n}\n");
13102 if (ch == '\r') continue;
13104 } while (ch != '\0');
13108 AppendComment(index, text, addBraces)
13111 Boolean addBraces; // [HGM] braces: tells if we should add {}
13116 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13117 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13120 while (*text == '\n') text++;
13121 len = strlen(text);
13122 while (len > 0 && text[len - 1] == '\n') len--;
13124 if (len == 0) return;
13126 if (commentList[index] != NULL) {
13127 old = commentList[index];
13128 oldlen = strlen(old);
13129 while(commentList[index][oldlen-1] == '\n')
13130 commentList[index][--oldlen] = NULLCHAR;
13131 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13132 strcpy(commentList[index], old);
13134 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13135 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13136 if(addBraces) addBraces = FALSE; else { text++; len--; }
13137 while (*text == '\n') { text++; len--; }
13138 commentList[index][--oldlen] = NULLCHAR;
13140 if(addBraces) strcat(commentList[index], "\n{\n");
13141 else strcat(commentList[index], "\n");
13142 strcat(commentList[index], text);
13143 if(addBraces) strcat(commentList[index], "\n}\n");
13144 else strcat(commentList[index], "\n");
13146 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13148 strcpy(commentList[index], "{\n");
13149 else commentList[index][0] = NULLCHAR;
13150 strcat(commentList[index], text);
13151 strcat(commentList[index], "\n");
13152 if(addBraces) strcat(commentList[index], "}\n");
13156 static char * FindStr( char * text, char * sub_text )
13158 char * result = strstr( text, sub_text );
13160 if( result != NULL ) {
13161 result += strlen( sub_text );
13167 /* [AS] Try to extract PV info from PGN comment */
13168 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13169 char *GetInfoFromComment( int index, char * text )
13173 if( text != NULL && index > 0 ) {
13176 int time = -1, sec = 0, deci;
13177 char * s_eval = FindStr( text, "[%eval " );
13178 char * s_emt = FindStr( text, "[%emt " );
13180 if( s_eval != NULL || s_emt != NULL ) {
13184 if( s_eval != NULL ) {
13185 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13189 if( delim != ']' ) {
13194 if( s_emt != NULL ) {
13199 /* We expect something like: [+|-]nnn.nn/dd */
13202 if(*text != '{') return text; // [HGM] braces: must be normal comment
13204 sep = strchr( text, '/' );
13205 if( sep == NULL || sep < (text+4) ) {
13209 time = -1; sec = -1; deci = -1;
13210 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13211 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13212 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13213 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13217 if( score_lo < 0 || score_lo >= 100 ) {
13221 if(sec >= 0) time = 600*time + 10*sec; else
13222 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13224 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13226 /* [HGM] PV time: now locate end of PV info */
13227 while( *++sep >= '0' && *sep <= '9'); // strip depth
13229 while( *++sep >= '0' && *sep <= '9'); // strip time
13231 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13233 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13234 while(*sep == ' ') sep++;
13245 pvInfoList[index-1].depth = depth;
13246 pvInfoList[index-1].score = score;
13247 pvInfoList[index-1].time = 10*time; // centi-sec
13248 if(*sep == '}') *sep = 0; else *--sep = '{';
13254 SendToProgram(message, cps)
13256 ChessProgramState *cps;
13258 int count, outCount, error;
13261 if (cps->pr == NULL) return;
13264 if (appData.debugMode) {
13267 fprintf(debugFP, "%ld >%-6s: %s",
13268 SubtractTimeMarks(&now, &programStartTime),
13269 cps->which, message);
13272 count = strlen(message);
13273 outCount = OutputToProcess(cps->pr, message, count, &error);
13274 if (outCount < count && !exiting
13275 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13276 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13277 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13278 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13279 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13280 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13282 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13284 gameInfo.resultDetails = StrSave(buf);
13286 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13291 ReceiveFromProgram(isr, closure, message, count, error)
13292 InputSourceRef isr;
13300 ChessProgramState *cps = (ChessProgramState *)closure;
13302 if (isr != cps->isr) return; /* Killed intentionally */
13306 _("Error: %s chess program (%s) exited unexpectedly"),
13307 cps->which, cps->program);
13308 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13309 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13310 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13311 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13313 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13315 gameInfo.resultDetails = StrSave(buf);
13317 RemoveInputSource(cps->isr);
13318 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13321 _("Error reading from %s chess program (%s)"),
13322 cps->which, cps->program);
13323 RemoveInputSource(cps->isr);
13325 /* [AS] Program is misbehaving badly... kill it */
13326 if( count == -2 ) {
13327 DestroyChildProcess( cps->pr, 9 );
13331 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13336 if ((end_str = strchr(message, '\r')) != NULL)
13337 *end_str = NULLCHAR;
13338 if ((end_str = strchr(message, '\n')) != NULL)
13339 *end_str = NULLCHAR;
13341 if (appData.debugMode) {
13342 TimeMark now; int print = 1;
13343 char *quote = ""; char c; int i;
13345 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13346 char start = message[0];
13347 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13348 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13349 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13350 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13351 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13352 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13353 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13354 sscanf(message, "pong %c", &c)!=1 && start != '#')
13355 { quote = "# "; print = (appData.engineComments == 2); }
13356 message[0] = start; // restore original message
13360 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13361 SubtractTimeMarks(&now, &programStartTime), cps->which,
13367 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13368 if (appData.icsEngineAnalyze) {
13369 if (strstr(message, "whisper") != NULL ||
13370 strstr(message, "kibitz") != NULL ||
13371 strstr(message, "tellics") != NULL) return;
13374 HandleMachineMove(message, cps);
13379 SendTimeControl(cps, mps, tc, inc, sd, st)
13380 ChessProgramState *cps;
13381 int mps, inc, sd, st;
13387 if( timeControl_2 > 0 ) {
13388 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13389 tc = timeControl_2;
13392 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13393 inc /= cps->timeOdds;
13394 st /= cps->timeOdds;
13396 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13399 /* Set exact time per move, normally using st command */
13400 if (cps->stKludge) {
13401 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13403 if (seconds == 0) {
13404 sprintf(buf, "level 1 %d\n", st/60);
13406 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13409 sprintf(buf, "st %d\n", st);
13412 /* Set conventional or incremental time control, using level command */
13413 if (seconds == 0) {
13414 /* Note old gnuchess bug -- minutes:seconds used to not work.
13415 Fixed in later versions, but still avoid :seconds
13416 when seconds is 0. */
13417 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13419 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13420 seconds, inc/1000);
13423 SendToProgram(buf, cps);
13425 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13426 /* Orthogonally, limit search to given depth */
13428 if (cps->sdKludge) {
13429 sprintf(buf, "depth\n%d\n", sd);
13431 sprintf(buf, "sd %d\n", sd);
13433 SendToProgram(buf, cps);
13436 if(cps->nps > 0) { /* [HGM] nps */
13437 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13439 sprintf(buf, "nps %d\n", cps->nps);
13440 SendToProgram(buf, cps);
13445 ChessProgramState *WhitePlayer()
13446 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13448 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13449 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13455 SendTimeRemaining(cps, machineWhite)
13456 ChessProgramState *cps;
13457 int /*boolean*/ machineWhite;
13459 char message[MSG_SIZ];
13462 /* Note: this routine must be called when the clocks are stopped
13463 or when they have *just* been set or switched; otherwise
13464 it will be off by the time since the current tick started.
13466 if (machineWhite) {
13467 time = whiteTimeRemaining / 10;
13468 otime = blackTimeRemaining / 10;
13470 time = blackTimeRemaining / 10;
13471 otime = whiteTimeRemaining / 10;
13473 /* [HGM] translate opponent's time by time-odds factor */
13474 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13475 if (appData.debugMode) {
13476 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13479 if (time <= 0) time = 1;
13480 if (otime <= 0) otime = 1;
13482 sprintf(message, "time %ld\n", time);
13483 SendToProgram(message, cps);
13485 sprintf(message, "otim %ld\n", otime);
13486 SendToProgram(message, cps);
13490 BoolFeature(p, name, loc, cps)
13494 ChessProgramState *cps;
13497 int len = strlen(name);
13499 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13501 sscanf(*p, "%d", &val);
13503 while (**p && **p != ' ') (*p)++;
13504 sprintf(buf, "accepted %s\n", name);
13505 SendToProgram(buf, cps);
13512 IntFeature(p, name, loc, cps)
13516 ChessProgramState *cps;
13519 int len = strlen(name);
13520 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13522 sscanf(*p, "%d", loc);
13523 while (**p && **p != ' ') (*p)++;
13524 sprintf(buf, "accepted %s\n", name);
13525 SendToProgram(buf, cps);
13532 StringFeature(p, name, loc, cps)
13536 ChessProgramState *cps;
13539 int len = strlen(name);
13540 if (strncmp((*p), name, len) == 0
13541 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13543 sscanf(*p, "%[^\"]", loc);
13544 while (**p && **p != '\"') (*p)++;
13545 if (**p == '\"') (*p)++;
13546 sprintf(buf, "accepted %s\n", name);
13547 SendToProgram(buf, cps);
13554 ParseOption(Option *opt, ChessProgramState *cps)
13555 // [HGM] options: process the string that defines an engine option, and determine
13556 // name, type, default value, and allowed value range
13558 char *p, *q, buf[MSG_SIZ];
13559 int n, min = (-1)<<31, max = 1<<31, def;
13561 if(p = strstr(opt->name, " -spin ")) {
13562 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13563 if(max < min) max = min; // enforce consistency
13564 if(def < min) def = min;
13565 if(def > max) def = max;
13570 } else if((p = strstr(opt->name, " -slider "))) {
13571 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13572 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13573 if(max < min) max = min; // enforce consistency
13574 if(def < min) def = min;
13575 if(def > max) def = max;
13579 opt->type = Spin; // Slider;
13580 } else if((p = strstr(opt->name, " -string "))) {
13581 opt->textValue = p+9;
13582 opt->type = TextBox;
13583 } else if((p = strstr(opt->name, " -file "))) {
13584 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13585 opt->textValue = p+7;
13586 opt->type = TextBox; // FileName;
13587 } else if((p = strstr(opt->name, " -path "))) {
13588 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13589 opt->textValue = p+7;
13590 opt->type = TextBox; // PathName;
13591 } else if(p = strstr(opt->name, " -check ")) {
13592 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13593 opt->value = (def != 0);
13594 opt->type = CheckBox;
13595 } else if(p = strstr(opt->name, " -combo ")) {
13596 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13597 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13598 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13599 opt->value = n = 0;
13600 while(q = StrStr(q, " /// ")) {
13601 n++; *q = 0; // count choices, and null-terminate each of them
13603 if(*q == '*') { // remember default, which is marked with * prefix
13607 cps->comboList[cps->comboCnt++] = q;
13609 cps->comboList[cps->comboCnt++] = NULL;
13611 opt->type = ComboBox;
13612 } else if(p = strstr(opt->name, " -button")) {
13613 opt->type = Button;
13614 } else if(p = strstr(opt->name, " -save")) {
13615 opt->type = SaveButton;
13616 } else return FALSE;
13617 *p = 0; // terminate option name
13618 // now look if the command-line options define a setting for this engine option.
13619 if(cps->optionSettings && cps->optionSettings[0])
13620 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13621 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13622 sprintf(buf, "option %s", p);
13623 if(p = strstr(buf, ",")) *p = 0;
13625 SendToProgram(buf, cps);
13631 FeatureDone(cps, val)
13632 ChessProgramState* cps;
13635 DelayedEventCallback cb = GetDelayedEvent();
13636 if ((cb == InitBackEnd3 && cps == &first) ||
13637 (cb == TwoMachinesEventIfReady && cps == &second)) {
13638 CancelDelayedEvent();
13639 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13641 cps->initDone = val;
13644 /* Parse feature command from engine */
13646 ParseFeatures(args, cps)
13648 ChessProgramState *cps;
13656 while (*p == ' ') p++;
13657 if (*p == NULLCHAR) return;
13659 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13660 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13661 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13662 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13663 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13664 if (BoolFeature(&p, "reuse", &val, cps)) {
13665 /* Engine can disable reuse, but can't enable it if user said no */
13666 if (!val) cps->reuse = FALSE;
13669 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13670 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13671 if (gameMode == TwoMachinesPlay) {
13672 DisplayTwoMachinesTitle();
13678 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13679 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13680 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13681 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13682 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13683 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13684 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13685 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13686 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13687 if (IntFeature(&p, "done", &val, cps)) {
13688 FeatureDone(cps, val);
13691 /* Added by Tord: */
13692 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13693 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13694 /* End of additions by Tord */
13696 /* [HGM] added features: */
13697 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13698 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13699 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13700 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13701 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13702 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13703 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13704 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13705 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13706 SendToProgram(buf, cps);
13709 if(cps->nrOptions >= MAX_OPTIONS) {
13711 sprintf(buf, "%s engine has too many options\n", cps->which);
13712 DisplayError(buf, 0);
13716 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13717 /* End of additions by HGM */
13719 /* unknown feature: complain and skip */
13721 while (*q && *q != '=') q++;
13722 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13723 SendToProgram(buf, cps);
13729 while (*p && *p != '\"') p++;
13730 if (*p == '\"') p++;
13732 while (*p && *p != ' ') p++;
13740 PeriodicUpdatesEvent(newState)
13743 if (newState == appData.periodicUpdates)
13746 appData.periodicUpdates=newState;
13748 /* Display type changes, so update it now */
13749 // DisplayAnalysis();
13751 /* Get the ball rolling again... */
13753 AnalysisPeriodicEvent(1);
13754 StartAnalysisClock();
13759 PonderNextMoveEvent(newState)
13762 if (newState == appData.ponderNextMove) return;
13763 if (gameMode == EditPosition) EditPositionDone(TRUE);
13765 SendToProgram("hard\n", &first);
13766 if (gameMode == TwoMachinesPlay) {
13767 SendToProgram("hard\n", &second);
13770 SendToProgram("easy\n", &first);
13771 thinkOutput[0] = NULLCHAR;
13772 if (gameMode == TwoMachinesPlay) {
13773 SendToProgram("easy\n", &second);
13776 appData.ponderNextMove = newState;
13780 NewSettingEvent(option, command, value)
13786 if (gameMode == EditPosition) EditPositionDone(TRUE);
13787 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13788 SendToProgram(buf, &first);
13789 if (gameMode == TwoMachinesPlay) {
13790 SendToProgram(buf, &second);
13795 ShowThinkingEvent()
13796 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13798 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13799 int newState = appData.showThinking
13800 // [HGM] thinking: other features now need thinking output as well
13801 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13803 if (oldState == newState) return;
13804 oldState = newState;
13805 if (gameMode == EditPosition) EditPositionDone(TRUE);
13807 SendToProgram("post\n", &first);
13808 if (gameMode == TwoMachinesPlay) {
13809 SendToProgram("post\n", &second);
13812 SendToProgram("nopost\n", &first);
13813 thinkOutput[0] = NULLCHAR;
13814 if (gameMode == TwoMachinesPlay) {
13815 SendToProgram("nopost\n", &second);
13818 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13822 AskQuestionEvent(title, question, replyPrefix, which)
13823 char *title; char *question; char *replyPrefix; char *which;
13825 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13826 if (pr == NoProc) return;
13827 AskQuestion(title, question, replyPrefix, pr);
13831 DisplayMove(moveNumber)
13834 char message[MSG_SIZ];
13836 char cpThinkOutput[MSG_SIZ];
13838 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13840 if (moveNumber == forwardMostMove - 1 ||
13841 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13843 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13845 if (strchr(cpThinkOutput, '\n')) {
13846 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13849 *cpThinkOutput = NULLCHAR;
13852 /* [AS] Hide thinking from human user */
13853 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13854 *cpThinkOutput = NULLCHAR;
13855 if( thinkOutput[0] != NULLCHAR ) {
13858 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13859 cpThinkOutput[i] = '.';
13861 cpThinkOutput[i] = NULLCHAR;
13862 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13866 if (moveNumber == forwardMostMove - 1 &&
13867 gameInfo.resultDetails != NULL) {
13868 if (gameInfo.resultDetails[0] == NULLCHAR) {
13869 sprintf(res, " %s", PGNResult(gameInfo.result));
13871 sprintf(res, " {%s} %s",
13872 gameInfo.resultDetails, PGNResult(gameInfo.result));
13878 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13879 DisplayMessage(res, cpThinkOutput);
13881 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13882 WhiteOnMove(moveNumber) ? " " : ".. ",
13883 parseList[moveNumber], res);
13884 DisplayMessage(message, cpThinkOutput);
13889 DisplayComment(moveNumber, text)
13893 char title[MSG_SIZ];
13894 char buf[8000]; // comment can be long!
13897 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13898 strcpy(title, "Comment");
13900 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13901 WhiteOnMove(moveNumber) ? " " : ".. ",
13902 parseList[moveNumber]);
13904 // [HGM] PV info: display PV info together with (or as) comment
13905 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13906 if(text == NULL) text = "";
13907 score = pvInfoList[moveNumber].score;
13908 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13909 depth, (pvInfoList[moveNumber].time+50)/100, text);
13912 if (text != NULL && (appData.autoDisplayComment || commentUp))
13913 CommentPopUp(title, text);
13916 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13917 * might be busy thinking or pondering. It can be omitted if your
13918 * gnuchess is configured to stop thinking immediately on any user
13919 * input. However, that gnuchess feature depends on the FIONREAD
13920 * ioctl, which does not work properly on some flavors of Unix.
13924 ChessProgramState *cps;
13927 if (!cps->useSigint) return;
13928 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13929 switch (gameMode) {
13930 case MachinePlaysWhite:
13931 case MachinePlaysBlack:
13932 case TwoMachinesPlay:
13933 case IcsPlayingWhite:
13934 case IcsPlayingBlack:
13937 /* Skip if we know it isn't thinking */
13938 if (!cps->maybeThinking) return;
13939 if (appData.debugMode)
13940 fprintf(debugFP, "Interrupting %s\n", cps->which);
13941 InterruptChildProcess(cps->pr);
13942 cps->maybeThinking = FALSE;
13947 #endif /*ATTENTION*/
13953 if (whiteTimeRemaining <= 0) {
13956 if (appData.icsActive) {
13957 if (appData.autoCallFlag &&
13958 gameMode == IcsPlayingBlack && !blackFlag) {
13959 SendToICS(ics_prefix);
13960 SendToICS("flag\n");
13964 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13966 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13967 if (appData.autoCallFlag) {
13968 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13975 if (blackTimeRemaining <= 0) {
13978 if (appData.icsActive) {
13979 if (appData.autoCallFlag &&
13980 gameMode == IcsPlayingWhite && !whiteFlag) {
13981 SendToICS(ics_prefix);
13982 SendToICS("flag\n");
13986 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13988 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13989 if (appData.autoCallFlag) {
13990 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14003 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14004 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14007 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14009 if ( !WhiteOnMove(forwardMostMove) )
14010 /* White made time control */
14011 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14012 /* [HGM] time odds: correct new time quota for time odds! */
14013 / WhitePlayer()->timeOdds;
14015 /* Black made time control */
14016 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14017 / WhitePlayer()->other->timeOdds;
14021 DisplayBothClocks()
14023 int wom = gameMode == EditPosition ?
14024 !blackPlaysFirst : WhiteOnMove(currentMove);
14025 DisplayWhiteClock(whiteTimeRemaining, wom);
14026 DisplayBlackClock(blackTimeRemaining, !wom);
14030 /* Timekeeping seems to be a portability nightmare. I think everyone
14031 has ftime(), but I'm really not sure, so I'm including some ifdefs
14032 to use other calls if you don't. Clocks will be less accurate if
14033 you have neither ftime nor gettimeofday.
14036 /* VS 2008 requires the #include outside of the function */
14037 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14038 #include <sys/timeb.h>
14041 /* Get the current time as a TimeMark */
14046 #if HAVE_GETTIMEOFDAY
14048 struct timeval timeVal;
14049 struct timezone timeZone;
14051 gettimeofday(&timeVal, &timeZone);
14052 tm->sec = (long) timeVal.tv_sec;
14053 tm->ms = (int) (timeVal.tv_usec / 1000L);
14055 #else /*!HAVE_GETTIMEOFDAY*/
14058 // include <sys/timeb.h> / moved to just above start of function
14059 struct timeb timeB;
14062 tm->sec = (long) timeB.time;
14063 tm->ms = (int) timeB.millitm;
14065 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14066 tm->sec = (long) time(NULL);
14072 /* Return the difference in milliseconds between two
14073 time marks. We assume the difference will fit in a long!
14076 SubtractTimeMarks(tm2, tm1)
14077 TimeMark *tm2, *tm1;
14079 return 1000L*(tm2->sec - tm1->sec) +
14080 (long) (tm2->ms - tm1->ms);
14085 * Code to manage the game clocks.
14087 * In tournament play, black starts the clock and then white makes a move.
14088 * We give the human user a slight advantage if he is playing white---the
14089 * clocks don't run until he makes his first move, so it takes zero time.
14090 * Also, we don't account for network lag, so we could get out of sync
14091 * with GNU Chess's clock -- but then, referees are always right.
14094 static TimeMark tickStartTM;
14095 static long intendedTickLength;
14098 NextTickLength(timeRemaining)
14099 long timeRemaining;
14101 long nominalTickLength, nextTickLength;
14103 if (timeRemaining > 0L && timeRemaining <= 10000L)
14104 nominalTickLength = 100L;
14106 nominalTickLength = 1000L;
14107 nextTickLength = timeRemaining % nominalTickLength;
14108 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14110 return nextTickLength;
14113 /* Adjust clock one minute up or down */
14115 AdjustClock(Boolean which, int dir)
14117 if(which) blackTimeRemaining += 60000*dir;
14118 else whiteTimeRemaining += 60000*dir;
14119 DisplayBothClocks();
14122 /* Stop clocks and reset to a fresh time control */
14126 (void) StopClockTimer();
14127 if (appData.icsActive) {
14128 whiteTimeRemaining = blackTimeRemaining = 0;
14129 } else if (searchTime) {
14130 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14131 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14132 } else { /* [HGM] correct new time quote for time odds */
14133 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14134 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14136 if (whiteFlag || blackFlag) {
14138 whiteFlag = blackFlag = FALSE;
14140 DisplayBothClocks();
14143 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14145 /* Decrement running clock by amount of time that has passed */
14149 long timeRemaining;
14150 long lastTickLength, fudge;
14153 if (!appData.clockMode) return;
14154 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14158 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14160 /* Fudge if we woke up a little too soon */
14161 fudge = intendedTickLength - lastTickLength;
14162 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14164 if (WhiteOnMove(forwardMostMove)) {
14165 if(whiteNPS >= 0) lastTickLength = 0;
14166 timeRemaining = whiteTimeRemaining -= lastTickLength;
14167 DisplayWhiteClock(whiteTimeRemaining - fudge,
14168 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14170 if(blackNPS >= 0) lastTickLength = 0;
14171 timeRemaining = blackTimeRemaining -= lastTickLength;
14172 DisplayBlackClock(blackTimeRemaining - fudge,
14173 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14176 if (CheckFlags()) return;
14179 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14180 StartClockTimer(intendedTickLength);
14182 /* if the time remaining has fallen below the alarm threshold, sound the
14183 * alarm. if the alarm has sounded and (due to a takeback or time control
14184 * with increment) the time remaining has increased to a level above the
14185 * threshold, reset the alarm so it can sound again.
14188 if (appData.icsActive && appData.icsAlarm) {
14190 /* make sure we are dealing with the user's clock */
14191 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14192 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14195 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14196 alarmSounded = FALSE;
14197 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14199 alarmSounded = TRUE;
14205 /* A player has just moved, so stop the previously running
14206 clock and (if in clock mode) start the other one.
14207 We redisplay both clocks in case we're in ICS mode, because
14208 ICS gives us an update to both clocks after every move.
14209 Note that this routine is called *after* forwardMostMove
14210 is updated, so the last fractional tick must be subtracted
14211 from the color that is *not* on move now.
14214 SwitchClocks(int newMoveNr)
14216 long lastTickLength;
14218 int flagged = FALSE;
14222 if (StopClockTimer() && appData.clockMode) {
14223 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14224 if (!WhiteOnMove(forwardMostMove)) {
14225 if(blackNPS >= 0) lastTickLength = 0;
14226 blackTimeRemaining -= lastTickLength;
14227 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14228 // if(pvInfoList[forwardMostMove-1].time == -1)
14229 pvInfoList[forwardMostMove-1].time = // use GUI time
14230 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14232 if(whiteNPS >= 0) lastTickLength = 0;
14233 whiteTimeRemaining -= lastTickLength;
14234 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14235 // if(pvInfoList[forwardMostMove-1].time == -1)
14236 pvInfoList[forwardMostMove-1].time =
14237 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14239 flagged = CheckFlags();
14241 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14242 CheckTimeControl();
14244 if (flagged || !appData.clockMode) return;
14246 switch (gameMode) {
14247 case MachinePlaysBlack:
14248 case MachinePlaysWhite:
14249 case BeginningOfGame:
14250 if (pausing) return;
14254 case PlayFromGameFile:
14262 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14263 if(WhiteOnMove(forwardMostMove))
14264 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14265 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14269 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14270 whiteTimeRemaining : blackTimeRemaining);
14271 StartClockTimer(intendedTickLength);
14275 /* Stop both clocks */
14279 long lastTickLength;
14282 if (!StopClockTimer()) return;
14283 if (!appData.clockMode) return;
14287 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14288 if (WhiteOnMove(forwardMostMove)) {
14289 if(whiteNPS >= 0) lastTickLength = 0;
14290 whiteTimeRemaining -= lastTickLength;
14291 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14293 if(blackNPS >= 0) lastTickLength = 0;
14294 blackTimeRemaining -= lastTickLength;
14295 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14300 /* Start clock of player on move. Time may have been reset, so
14301 if clock is already running, stop and restart it. */
14305 (void) StopClockTimer(); /* in case it was running already */
14306 DisplayBothClocks();
14307 if (CheckFlags()) return;
14309 if (!appData.clockMode) return;
14310 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14312 GetTimeMark(&tickStartTM);
14313 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14314 whiteTimeRemaining : blackTimeRemaining);
14316 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14317 whiteNPS = blackNPS = -1;
14318 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14319 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14320 whiteNPS = first.nps;
14321 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14322 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14323 blackNPS = first.nps;
14324 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14325 whiteNPS = second.nps;
14326 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14327 blackNPS = second.nps;
14328 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14330 StartClockTimer(intendedTickLength);
14337 long second, minute, hour, day;
14339 static char buf[32];
14341 if (ms > 0 && ms <= 9900) {
14342 /* convert milliseconds to tenths, rounding up */
14343 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14345 sprintf(buf, " %03.1f ", tenths/10.0);
14349 /* convert milliseconds to seconds, rounding up */
14350 /* use floating point to avoid strangeness of integer division
14351 with negative dividends on many machines */
14352 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14359 day = second / (60 * 60 * 24);
14360 second = second % (60 * 60 * 24);
14361 hour = second / (60 * 60);
14362 second = second % (60 * 60);
14363 minute = second / 60;
14364 second = second % 60;
14367 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14368 sign, day, hour, minute, second);
14370 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14372 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14379 * This is necessary because some C libraries aren't ANSI C compliant yet.
14382 StrStr(string, match)
14383 char *string, *match;
14387 length = strlen(match);
14389 for (i = strlen(string) - length; i >= 0; i--, string++)
14390 if (!strncmp(match, string, length))
14397 StrCaseStr(string, match)
14398 char *string, *match;
14402 length = strlen(match);
14404 for (i = strlen(string) - length; i >= 0; i--, string++) {
14405 for (j = 0; j < length; j++) {
14406 if (ToLower(match[j]) != ToLower(string[j]))
14409 if (j == length) return string;
14423 c1 = ToLower(*s1++);
14424 c2 = ToLower(*s2++);
14425 if (c1 > c2) return 1;
14426 if (c1 < c2) return -1;
14427 if (c1 == NULLCHAR) return 0;
14436 return isupper(c) ? tolower(c) : c;
14444 return islower(c) ? toupper(c) : c;
14446 #endif /* !_amigados */
14454 if ((ret = (char *) malloc(strlen(s) + 1))) {
14461 StrSavePtr(s, savePtr)
14462 char *s, **savePtr;
14467 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14468 strcpy(*savePtr, s);
14480 clock = time((time_t *)NULL);
14481 tm = localtime(&clock);
14482 sprintf(buf, "%04d.%02d.%02d",
14483 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14484 return StrSave(buf);
14489 PositionToFEN(move, overrideCastling)
14491 char *overrideCastling;
14493 int i, j, fromX, fromY, toX, toY;
14500 whiteToPlay = (gameMode == EditPosition) ?
14501 !blackPlaysFirst : (move % 2 == 0);
14504 /* Piece placement data */
14505 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14507 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14508 if (boards[move][i][j] == EmptySquare) {
14510 } else { ChessSquare piece = boards[move][i][j];
14511 if (emptycount > 0) {
14512 if(emptycount<10) /* [HGM] can be >= 10 */
14513 *p++ = '0' + emptycount;
14514 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14517 if(PieceToChar(piece) == '+') {
14518 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14520 piece = (ChessSquare)(DEMOTED piece);
14522 *p++ = PieceToChar(piece);
14524 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14525 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14530 if (emptycount > 0) {
14531 if(emptycount<10) /* [HGM] can be >= 10 */
14532 *p++ = '0' + emptycount;
14533 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14540 /* [HGM] print Crazyhouse or Shogi holdings */
14541 if( gameInfo.holdingsWidth ) {
14542 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14544 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14545 piece = boards[move][i][BOARD_WIDTH-1];
14546 if( piece != EmptySquare )
14547 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14548 *p++ = PieceToChar(piece);
14550 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14551 piece = boards[move][BOARD_HEIGHT-i-1][0];
14552 if( piece != EmptySquare )
14553 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14554 *p++ = PieceToChar(piece);
14557 if( q == p ) *p++ = '-';
14563 *p++ = whiteToPlay ? 'w' : 'b';
14566 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14567 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14569 if(nrCastlingRights) {
14571 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14572 /* [HGM] write directly from rights */
14573 if(boards[move][CASTLING][2] != NoRights &&
14574 boards[move][CASTLING][0] != NoRights )
14575 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14576 if(boards[move][CASTLING][2] != NoRights &&
14577 boards[move][CASTLING][1] != NoRights )
14578 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14579 if(boards[move][CASTLING][5] != NoRights &&
14580 boards[move][CASTLING][3] != NoRights )
14581 *p++ = boards[move][CASTLING][3] + AAA;
14582 if(boards[move][CASTLING][5] != NoRights &&
14583 boards[move][CASTLING][4] != NoRights )
14584 *p++ = boards[move][CASTLING][4] + AAA;
14587 /* [HGM] write true castling rights */
14588 if( nrCastlingRights == 6 ) {
14589 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14590 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14591 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14592 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14593 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14594 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14595 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14596 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14599 if (q == p) *p++ = '-'; /* No castling rights */
14603 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14604 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14605 /* En passant target square */
14606 if (move > backwardMostMove) {
14607 fromX = moveList[move - 1][0] - AAA;
14608 fromY = moveList[move - 1][1] - ONE;
14609 toX = moveList[move - 1][2] - AAA;
14610 toY = moveList[move - 1][3] - ONE;
14611 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14612 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14613 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14615 /* 2-square pawn move just happened */
14617 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14621 } else if(move == backwardMostMove) {
14622 // [HGM] perhaps we should always do it like this, and forget the above?
14623 if((signed char)boards[move][EP_STATUS] >= 0) {
14624 *p++ = boards[move][EP_STATUS] + AAA;
14625 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14636 /* [HGM] find reversible plies */
14637 { int i = 0, j=move;
14639 if (appData.debugMode) { int k;
14640 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14641 for(k=backwardMostMove; k<=forwardMostMove; k++)
14642 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14646 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14647 if( j == backwardMostMove ) i += initialRulePlies;
14648 sprintf(p, "%d ", i);
14649 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14651 /* Fullmove number */
14652 sprintf(p, "%d", (move / 2) + 1);
14654 return StrSave(buf);
14658 ParseFEN(board, blackPlaysFirst, fen)
14660 int *blackPlaysFirst;
14670 /* [HGM] by default clear Crazyhouse holdings, if present */
14671 if(gameInfo.holdingsWidth) {
14672 for(i=0; i<BOARD_HEIGHT; i++) {
14673 board[i][0] = EmptySquare; /* black holdings */
14674 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14675 board[i][1] = (ChessSquare) 0; /* black counts */
14676 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14680 /* Piece placement data */
14681 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14684 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14685 if (*p == '/') p++;
14686 emptycount = gameInfo.boardWidth - j;
14687 while (emptycount--)
14688 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14690 #if(BOARD_FILES >= 10)
14691 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14692 p++; emptycount=10;
14693 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14694 while (emptycount--)
14695 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14697 } else if (isdigit(*p)) {
14698 emptycount = *p++ - '0';
14699 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14700 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14701 while (emptycount--)
14702 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14703 } else if (*p == '+' || isalpha(*p)) {
14704 if (j >= gameInfo.boardWidth) return FALSE;
14706 piece = CharToPiece(*++p);
14707 if(piece == EmptySquare) return FALSE; /* unknown piece */
14708 piece = (ChessSquare) (PROMOTED piece ); p++;
14709 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14710 } else piece = CharToPiece(*p++);
14712 if(piece==EmptySquare) return FALSE; /* unknown piece */
14713 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14714 piece = (ChessSquare) (PROMOTED piece);
14715 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14718 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14724 while (*p == '/' || *p == ' ') p++;
14726 /* [HGM] look for Crazyhouse holdings here */
14727 while(*p==' ') p++;
14728 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14730 if(*p == '-' ) *p++; /* empty holdings */ else {
14731 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14732 /* if we would allow FEN reading to set board size, we would */
14733 /* have to add holdings and shift the board read so far here */
14734 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14736 if((int) piece >= (int) BlackPawn ) {
14737 i = (int)piece - (int)BlackPawn;
14738 i = PieceToNumber((ChessSquare)i);
14739 if( i >= gameInfo.holdingsSize ) return FALSE;
14740 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14741 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14743 i = (int)piece - (int)WhitePawn;
14744 i = PieceToNumber((ChessSquare)i);
14745 if( i >= gameInfo.holdingsSize ) return FALSE;
14746 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14747 board[i][BOARD_WIDTH-2]++; /* black holdings */
14751 if(*p == ']') *p++;
14754 while(*p == ' ') p++;
14759 *blackPlaysFirst = FALSE;
14762 *blackPlaysFirst = TRUE;
14768 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14769 /* return the extra info in global variiables */
14771 /* set defaults in case FEN is incomplete */
14772 board[EP_STATUS] = EP_UNKNOWN;
14773 for(i=0; i<nrCastlingRights; i++ ) {
14774 board[CASTLING][i] =
14775 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14776 } /* assume possible unless obviously impossible */
14777 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14778 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14779 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14780 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14781 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14782 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14783 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14784 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14787 while(*p==' ') p++;
14788 if(nrCastlingRights) {
14789 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14790 /* castling indicator present, so default becomes no castlings */
14791 for(i=0; i<nrCastlingRights; i++ ) {
14792 board[CASTLING][i] = NoRights;
14795 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14796 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14797 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14798 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14799 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14801 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14802 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14803 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14805 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14806 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14807 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14808 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14809 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14810 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14813 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14814 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14815 board[CASTLING][2] = whiteKingFile;
14818 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14819 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14820 board[CASTLING][2] = whiteKingFile;
14823 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14824 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14825 board[CASTLING][5] = blackKingFile;
14828 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14829 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14830 board[CASTLING][5] = blackKingFile;
14833 default: /* FRC castlings */
14834 if(c >= 'a') { /* black rights */
14835 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14836 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14837 if(i == BOARD_RGHT) break;
14838 board[CASTLING][5] = i;
14840 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14841 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14843 board[CASTLING][3] = c;
14845 board[CASTLING][4] = c;
14846 } else { /* white rights */
14847 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14848 if(board[0][i] == WhiteKing) break;
14849 if(i == BOARD_RGHT) break;
14850 board[CASTLING][2] = i;
14851 c -= AAA - 'a' + 'A';
14852 if(board[0][c] >= WhiteKing) break;
14854 board[CASTLING][0] = c;
14856 board[CASTLING][1] = c;
14860 for(i=0; i<nrCastlingRights; i++)
14861 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14862 if (appData.debugMode) {
14863 fprintf(debugFP, "FEN castling rights:");
14864 for(i=0; i<nrCastlingRights; i++)
14865 fprintf(debugFP, " %d", board[CASTLING][i]);
14866 fprintf(debugFP, "\n");
14869 while(*p==' ') p++;
14872 /* read e.p. field in games that know e.p. capture */
14873 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14874 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14876 p++; board[EP_STATUS] = EP_NONE;
14878 char c = *p++ - AAA;
14880 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14881 if(*p >= '0' && *p <='9') *p++;
14882 board[EP_STATUS] = c;
14887 if(sscanf(p, "%d", &i) == 1) {
14888 FENrulePlies = i; /* 50-move ply counter */
14889 /* (The move number is still ignored) */
14896 EditPositionPasteFEN(char *fen)
14899 Board initial_position;
14901 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14902 DisplayError(_("Bad FEN position in clipboard"), 0);
14905 int savedBlackPlaysFirst = blackPlaysFirst;
14906 EditPositionEvent();
14907 blackPlaysFirst = savedBlackPlaysFirst;
14908 CopyBoard(boards[0], initial_position);
14909 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14910 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14911 DisplayBothClocks();
14912 DrawPosition(FALSE, boards[currentMove]);
14917 static char cseq[12] = "\\ ";
14919 Boolean set_cont_sequence(char *new_seq)
14924 // handle bad attempts to set the sequence
14926 return 0; // acceptable error - no debug
14928 len = strlen(new_seq);
14929 ret = (len > 0) && (len < sizeof(cseq));
14931 strcpy(cseq, new_seq);
14932 else if (appData.debugMode)
14933 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14938 reformat a source message so words don't cross the width boundary. internal
14939 newlines are not removed. returns the wrapped size (no null character unless
14940 included in source message). If dest is NULL, only calculate the size required
14941 for the dest buffer. lp argument indicats line position upon entry, and it's
14942 passed back upon exit.
14944 int wrap(char *dest, char *src, int count, int width, int *lp)
14946 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14948 cseq_len = strlen(cseq);
14949 old_line = line = *lp;
14950 ansi = len = clen = 0;
14952 for (i=0; i < count; i++)
14954 if (src[i] == '\033')
14957 // if we hit the width, back up
14958 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14960 // store i & len in case the word is too long
14961 old_i = i, old_len = len;
14963 // find the end of the last word
14964 while (i && src[i] != ' ' && src[i] != '\n')
14970 // word too long? restore i & len before splitting it
14971 if ((old_i-i+clen) >= width)
14978 if (i && src[i-1] == ' ')
14981 if (src[i] != ' ' && src[i] != '\n')
14988 // now append the newline and continuation sequence
14993 strncpy(dest+len, cseq, cseq_len);
15001 dest[len] = src[i];
15005 if (src[i] == '\n')
15010 if (dest && appData.debugMode)
15012 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15013 count, width, line, len, *lp);
15014 show_bytes(debugFP, src, count);
15015 fprintf(debugFP, "\ndest: ");
15016 show_bytes(debugFP, dest, len);
15017 fprintf(debugFP, "\n");
15019 *lp = dest ? line : old_line;
15024 // [HGM] vari: routines for shelving variations
15027 PushTail(int firstMove, int lastMove)
15029 int i, j, nrMoves = lastMove - firstMove;
15031 if(appData.icsActive) { // only in local mode
15032 forwardMostMove = currentMove; // mimic old ICS behavior
15035 if(storedGames >= MAX_VARIATIONS-1) return;
15037 // push current tail of game on stack
15038 savedResult[storedGames] = gameInfo.result;
15039 savedDetails[storedGames] = gameInfo.resultDetails;
15040 gameInfo.resultDetails = NULL;
15041 savedFirst[storedGames] = firstMove;
15042 savedLast [storedGames] = lastMove;
15043 savedFramePtr[storedGames] = framePtr;
15044 framePtr -= nrMoves; // reserve space for the boards
15045 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15046 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15047 for(j=0; j<MOVE_LEN; j++)
15048 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15049 for(j=0; j<2*MOVE_LEN; j++)
15050 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15051 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15052 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15053 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15054 pvInfoList[firstMove+i-1].depth = 0;
15055 commentList[framePtr+i] = commentList[firstMove+i];
15056 commentList[firstMove+i] = NULL;
15060 forwardMostMove = firstMove; // truncate game so we can start variation
15061 if(storedGames == 1) GreyRevert(FALSE);
15065 PopTail(Boolean annotate)
15068 char buf[8000], moveBuf[20];
15070 if(appData.icsActive) return FALSE; // only in local mode
15071 if(!storedGames) return FALSE; // sanity
15072 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15075 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15076 nrMoves = savedLast[storedGames] - currentMove;
15079 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15080 else strcpy(buf, "(");
15081 for(i=currentMove; i<forwardMostMove; i++) {
15083 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15084 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15085 strcat(buf, moveBuf);
15086 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15087 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15091 for(i=1; i<=nrMoves; i++) { // copy last variation back
15092 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15093 for(j=0; j<MOVE_LEN; j++)
15094 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15095 for(j=0; j<2*MOVE_LEN; j++)
15096 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15097 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15098 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15099 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15100 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15101 commentList[currentMove+i] = commentList[framePtr+i];
15102 commentList[framePtr+i] = NULL;
15104 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15105 framePtr = savedFramePtr[storedGames];
15106 gameInfo.result = savedResult[storedGames];
15107 if(gameInfo.resultDetails != NULL) {
15108 free(gameInfo.resultDetails);
15110 gameInfo.resultDetails = savedDetails[storedGames];
15111 forwardMostMove = currentMove + nrMoves;
15112 if(storedGames == 0) GreyRevert(TRUE);
15118 { // remove all shelved variations
15120 for(i=0; i<storedGames; i++) {
15121 if(savedDetails[i])
15122 free(savedDetails[i]);
15123 savedDetails[i] = NULL;
15125 for(i=framePtr; i<MAX_MOVES; i++) {
15126 if(commentList[i]) free(commentList[i]);
15127 commentList[i] = NULL;
15129 framePtr = MAX_MOVES-1;
15134 LoadVariation(int index, char *text)
15135 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15136 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15137 int level = 0, move;
15139 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15140 // first find outermost bracketing variation
15141 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15142 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15143 if(*p == '{') wait = '}'; else
15144 if(*p == '[') wait = ']'; else
15145 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15146 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15148 if(*p == wait) wait = NULLCHAR; // closing ]} found
15151 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15152 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15153 end[1] = NULLCHAR; // clip off comment beyond variation
15154 ToNrEvent(currentMove-1);
15155 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15156 // kludge: use ParsePV() to append variation to game
15157 move = currentMove;
15158 ParsePV(start, TRUE);
15159 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15160 ClearPremoveHighlights();
15162 ToNrEvent(currentMove+1);