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);
3650 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
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 char yy_textstr[8000];
4720 /* Parser for moves from gnuchess, ICS, or user typein box */
4722 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4725 ChessMove *moveType;
4726 int *fromX, *fromY, *toX, *toY;
4729 if (appData.debugMode) {
4730 fprintf(debugFP, "move to parse: %s\n", move);
4732 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4734 switch (*moveType) {
4735 case WhitePromotionChancellor:
4736 case BlackPromotionChancellor:
4737 case WhitePromotionArchbishop:
4738 case BlackPromotionArchbishop:
4739 case WhitePromotionQueen:
4740 case BlackPromotionQueen:
4741 case WhitePromotionRook:
4742 case BlackPromotionRook:
4743 case WhitePromotionBishop:
4744 case BlackPromotionBishop:
4745 case WhitePromotionKnight:
4746 case BlackPromotionKnight:
4747 case WhitePromotionKing:
4748 case BlackPromotionKing:
4750 case WhiteCapturesEnPassant:
4751 case BlackCapturesEnPassant:
4752 case WhiteKingSideCastle:
4753 case WhiteQueenSideCastle:
4754 case BlackKingSideCastle:
4755 case BlackQueenSideCastle:
4756 case WhiteKingSideCastleWild:
4757 case WhiteQueenSideCastleWild:
4758 case BlackKingSideCastleWild:
4759 case BlackQueenSideCastleWild:
4760 /* Code added by Tord: */
4761 case WhiteHSideCastleFR:
4762 case WhiteASideCastleFR:
4763 case BlackHSideCastleFR:
4764 case BlackASideCastleFR:
4765 /* End of code added by Tord */
4766 case IllegalMove: /* bug or odd chess variant */
4767 *fromX = currentMoveString[0] - AAA;
4768 *fromY = currentMoveString[1] - ONE;
4769 *toX = currentMoveString[2] - AAA;
4770 *toY = currentMoveString[3] - ONE;
4771 *promoChar = currentMoveString[4];
4772 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4773 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4774 if (appData.debugMode) {
4775 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4777 *fromX = *fromY = *toX = *toY = 0;
4780 if (appData.testLegality) {
4781 return (*moveType != IllegalMove);
4783 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4784 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4789 *fromX = *moveType == WhiteDrop ?
4790 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4791 (int) CharToPiece(ToLower(currentMoveString[0]));
4793 *toX = currentMoveString[2] - AAA;
4794 *toY = currentMoveString[3] - ONE;
4795 *promoChar = NULLCHAR;
4799 case ImpossibleMove:
4800 case (ChessMove) 0: /* end of file */
4809 if (appData.debugMode) {
4810 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4813 *fromX = *fromY = *toX = *toY = 0;
4814 *promoChar = NULLCHAR;
4821 ParsePV(char *pv, Boolean storeComments)
4822 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4823 int fromX, fromY, toX, toY; char promoChar;
4828 endPV = forwardMostMove;
4830 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4831 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4832 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4833 if(appData.debugMode){
4834 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4836 if(!valid && nr == 0 &&
4837 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4838 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4839 // Hande case where played move is different from leading PV move
4840 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4841 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4842 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4843 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4844 endPV += 2; // if position different, keep this
4845 moveList[endPV-1][0] = fromX + AAA;
4846 moveList[endPV-1][1] = fromY + ONE;
4847 moveList[endPV-1][2] = toX + AAA;
4848 moveList[endPV-1][3] = toY + ONE;
4849 parseList[endPV-1][0] = NULLCHAR;
4850 strcpy(moveList[endPV-2], "_0_0"); // suppress premove highlight on takeback move
4853 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4854 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4855 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4856 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4857 valid++; // allow comments in PV
4861 if(endPV+1 > framePtr) break; // no space, truncate
4864 CopyBoard(boards[endPV], boards[endPV-1]);
4865 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4866 moveList[endPV-1][0] = fromX + AAA;
4867 moveList[endPV-1][1] = fromY + ONE;
4868 moveList[endPV-1][2] = toX + AAA;
4869 moveList[endPV-1][3] = toY + ONE;
4871 CoordsToAlgebraic(boards[endPV - 1],
4872 PosFlags(endPV - 1),
4873 fromY, fromX, toY, toX, promoChar,
4874 parseList[endPV - 1]);
4876 parseList[endPV-1][0] = NULLCHAR;
4878 currentMove = endPV;
4879 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4880 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4881 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4882 DrawPosition(TRUE, boards[currentMove]);
4885 static int lastX, lastY;
4888 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4892 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4893 lastX = x; lastY = y;
4894 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4896 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4898 while(buf[index] && buf[index] != '\n') index++;
4900 ParsePV(buf+startPV, FALSE);
4901 *start = startPV; *end = index-1;
4906 LoadPV(int x, int y)
4907 { // called on right mouse click to load PV
4908 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4909 lastX = x; lastY = y;
4910 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
4917 if(endPV < 0) return;
4919 currentMove = forwardMostMove;
4920 ClearPremoveHighlights();
4921 DrawPosition(TRUE, boards[currentMove]);
4925 MovePV(int x, int y, int h)
4926 { // step through PV based on mouse coordinates (called on mouse move)
4927 int margin = h>>3, step = 0;
4929 if(endPV < 0) return;
4930 // we must somehow check if right button is still down (might be released off board!)
4931 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4932 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4933 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4935 lastX = x; lastY = y;
4936 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4937 currentMove += step;
4938 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4939 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4940 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4941 DrawPosition(FALSE, boards[currentMove]);
4945 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4946 // All positions will have equal probability, but the current method will not provide a unique
4947 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4953 int piecesLeft[(int)BlackPawn];
4954 int seed, nrOfShuffles;
4956 void GetPositionNumber()
4957 { // sets global variable seed
4960 seed = appData.defaultFrcPosition;
4961 if(seed < 0) { // randomize based on time for negative FRC position numbers
4962 for(i=0; i<50; i++) seed += random();
4963 seed = random() ^ random() >> 8 ^ random() << 8;
4964 if(seed<0) seed = -seed;
4968 int put(Board board, int pieceType, int rank, int n, int shade)
4969 // put the piece on the (n-1)-th empty squares of the given shade
4973 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4974 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4975 board[rank][i] = (ChessSquare) pieceType;
4976 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4978 piecesLeft[pieceType]--;
4986 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4987 // calculate where the next piece goes, (any empty square), and put it there
4991 i = seed % squaresLeft[shade];
4992 nrOfShuffles *= squaresLeft[shade];
4993 seed /= squaresLeft[shade];
4994 put(board, pieceType, rank, i, shade);
4997 void AddTwoPieces(Board board, int pieceType, int rank)
4998 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5000 int i, n=squaresLeft[ANY], j=n-1, k;
5002 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5003 i = seed % k; // pick one
5006 while(i >= j) i -= j--;
5007 j = n - 1 - j; i += j;
5008 put(board, pieceType, rank, j, ANY);
5009 put(board, pieceType, rank, i, ANY);
5012 void SetUpShuffle(Board board, int number)
5016 GetPositionNumber(); nrOfShuffles = 1;
5018 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5019 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5020 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5022 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5024 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5025 p = (int) board[0][i];
5026 if(p < (int) BlackPawn) piecesLeft[p] ++;
5027 board[0][i] = EmptySquare;
5030 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5031 // shuffles restricted to allow normal castling put KRR first
5032 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5033 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5034 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5035 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5036 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5037 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5038 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5039 put(board, WhiteRook, 0, 0, ANY);
5040 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5043 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5044 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5045 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5046 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5047 while(piecesLeft[p] >= 2) {
5048 AddOnePiece(board, p, 0, LITE);
5049 AddOnePiece(board, p, 0, DARK);
5051 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5054 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5055 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5056 // but we leave King and Rooks for last, to possibly obey FRC restriction
5057 if(p == (int)WhiteRook) continue;
5058 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5059 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5062 // now everything is placed, except perhaps King (Unicorn) and Rooks
5064 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5065 // Last King gets castling rights
5066 while(piecesLeft[(int)WhiteUnicorn]) {
5067 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5068 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5071 while(piecesLeft[(int)WhiteKing]) {
5072 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5073 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5078 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5079 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5082 // Only Rooks can be left; simply place them all
5083 while(piecesLeft[(int)WhiteRook]) {
5084 i = put(board, WhiteRook, 0, 0, ANY);
5085 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5088 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5090 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5093 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5094 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5097 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5100 int SetCharTable( char *table, const char * map )
5101 /* [HGM] moved here from winboard.c because of its general usefulness */
5102 /* Basically a safe strcpy that uses the last character as King */
5104 int result = FALSE; int NrPieces;
5106 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5107 && NrPieces >= 12 && !(NrPieces&1)) {
5108 int i; /* [HGM] Accept even length from 12 to 34 */
5110 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5111 for( i=0; i<NrPieces/2-1; i++ ) {
5113 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5115 table[(int) WhiteKing] = map[NrPieces/2-1];
5116 table[(int) BlackKing] = map[NrPieces-1];
5124 void Prelude(Board board)
5125 { // [HGM] superchess: random selection of exo-pieces
5126 int i, j, k; ChessSquare p;
5127 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5129 GetPositionNumber(); // use FRC position number
5131 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5132 SetCharTable(pieceToChar, appData.pieceToCharTable);
5133 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5134 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5137 j = seed%4; seed /= 4;
5138 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5139 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5140 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5141 j = seed%3 + (seed%3 >= j); seed /= 3;
5142 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5143 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5144 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5145 j = seed%3; seed /= 3;
5146 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5147 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5148 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5149 j = seed%2 + (seed%2 >= j); seed /= 2;
5150 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5151 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5152 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5153 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5154 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5155 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5156 put(board, exoPieces[0], 0, 0, ANY);
5157 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5161 InitPosition(redraw)
5164 ChessSquare (* pieces)[BOARD_FILES];
5165 int i, j, pawnRow, overrule,
5166 oldx = gameInfo.boardWidth,
5167 oldy = gameInfo.boardHeight,
5168 oldh = gameInfo.holdingsWidth,
5169 oldv = gameInfo.variant;
5171 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5173 /* [AS] Initialize pv info list [HGM] and game status */
5175 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5176 pvInfoList[i].depth = 0;
5177 boards[i][EP_STATUS] = EP_NONE;
5178 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5181 initialRulePlies = 0; /* 50-move counter start */
5183 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5184 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5188 /* [HGM] logic here is completely changed. In stead of full positions */
5189 /* the initialized data only consist of the two backranks. The switch */
5190 /* selects which one we will use, which is than copied to the Board */
5191 /* initialPosition, which for the rest is initialized by Pawns and */
5192 /* empty squares. This initial position is then copied to boards[0], */
5193 /* possibly after shuffling, so that it remains available. */
5195 gameInfo.holdingsWidth = 0; /* default board sizes */
5196 gameInfo.boardWidth = 8;
5197 gameInfo.boardHeight = 8;
5198 gameInfo.holdingsSize = 0;
5199 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5200 for(i=0; i<BOARD_FILES-2; i++)
5201 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5202 initialPosition[EP_STATUS] = EP_NONE;
5203 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5205 switch (gameInfo.variant) {
5206 case VariantFischeRandom:
5207 shuffleOpenings = TRUE;
5211 case VariantShatranj:
5212 pieces = ShatranjArray;
5213 nrCastlingRights = 0;
5214 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5217 pieces = makrukArray;
5218 nrCastlingRights = 0;
5219 startedFromSetupPosition = TRUE;
5220 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5222 case VariantTwoKings:
5223 pieces = twoKingsArray;
5225 case VariantCapaRandom:
5226 shuffleOpenings = TRUE;
5227 case VariantCapablanca:
5228 pieces = CapablancaArray;
5229 gameInfo.boardWidth = 10;
5230 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5233 pieces = GothicArray;
5234 gameInfo.boardWidth = 10;
5235 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5238 pieces = JanusArray;
5239 gameInfo.boardWidth = 10;
5240 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5241 nrCastlingRights = 6;
5242 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5243 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5244 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5245 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5246 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5247 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5250 pieces = FalconArray;
5251 gameInfo.boardWidth = 10;
5252 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5254 case VariantXiangqi:
5255 pieces = XiangqiArray;
5256 gameInfo.boardWidth = 9;
5257 gameInfo.boardHeight = 10;
5258 nrCastlingRights = 0;
5259 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5262 pieces = ShogiArray;
5263 gameInfo.boardWidth = 9;
5264 gameInfo.boardHeight = 9;
5265 gameInfo.holdingsSize = 7;
5266 nrCastlingRights = 0;
5267 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5269 case VariantCourier:
5270 pieces = CourierArray;
5271 gameInfo.boardWidth = 12;
5272 nrCastlingRights = 0;
5273 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5275 case VariantKnightmate:
5276 pieces = KnightmateArray;
5277 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5280 pieces = fairyArray;
5281 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5284 pieces = GreatArray;
5285 gameInfo.boardWidth = 10;
5286 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5287 gameInfo.holdingsSize = 8;
5291 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5292 gameInfo.holdingsSize = 8;
5293 startedFromSetupPosition = TRUE;
5295 case VariantCrazyhouse:
5296 case VariantBughouse:
5298 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5299 gameInfo.holdingsSize = 5;
5301 case VariantWildCastle:
5303 /* !!?shuffle with kings guaranteed to be on d or e file */
5304 shuffleOpenings = 1;
5306 case VariantNoCastle:
5308 nrCastlingRights = 0;
5309 /* !!?unconstrained back-rank shuffle */
5310 shuffleOpenings = 1;
5315 if(appData.NrFiles >= 0) {
5316 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5317 gameInfo.boardWidth = appData.NrFiles;
5319 if(appData.NrRanks >= 0) {
5320 gameInfo.boardHeight = appData.NrRanks;
5322 if(appData.holdingsSize >= 0) {
5323 i = appData.holdingsSize;
5324 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5325 gameInfo.holdingsSize = i;
5327 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5328 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5329 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5331 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5332 if(pawnRow < 1) pawnRow = 1;
5333 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5335 /* User pieceToChar list overrules defaults */
5336 if(appData.pieceToCharTable != NULL)
5337 SetCharTable(pieceToChar, appData.pieceToCharTable);
5339 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5341 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5342 s = (ChessSquare) 0; /* account holding counts in guard band */
5343 for( i=0; i<BOARD_HEIGHT; i++ )
5344 initialPosition[i][j] = s;
5346 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5347 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5348 initialPosition[pawnRow][j] = WhitePawn;
5349 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5350 if(gameInfo.variant == VariantXiangqi) {
5352 initialPosition[pawnRow][j] =
5353 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5354 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5355 initialPosition[2][j] = WhiteCannon;
5356 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5360 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5362 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5365 initialPosition[1][j] = WhiteBishop;
5366 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5368 initialPosition[1][j] = WhiteRook;
5369 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5372 if( nrCastlingRights == -1) {
5373 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5374 /* This sets default castling rights from none to normal corners */
5375 /* Variants with other castling rights must set them themselves above */
5376 nrCastlingRights = 6;
5378 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5379 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5380 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5381 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5382 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5383 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5386 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5387 if(gameInfo.variant == VariantGreat) { // promotion commoners
5388 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5389 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5390 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5391 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5393 if (appData.debugMode) {
5394 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5396 if(shuffleOpenings) {
5397 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5398 startedFromSetupPosition = TRUE;
5400 if(startedFromPositionFile) {
5401 /* [HGM] loadPos: use PositionFile for every new game */
5402 CopyBoard(initialPosition, filePosition);
5403 for(i=0; i<nrCastlingRights; i++)
5404 initialRights[i] = filePosition[CASTLING][i];
5405 startedFromSetupPosition = TRUE;
5408 CopyBoard(boards[0], initialPosition);
5410 if(oldx != gameInfo.boardWidth ||
5411 oldy != gameInfo.boardHeight ||
5412 oldh != gameInfo.holdingsWidth
5414 || oldv == VariantGothic || // For licensing popups
5415 gameInfo.variant == VariantGothic
5418 || oldv == VariantFalcon ||
5419 gameInfo.variant == VariantFalcon
5422 InitDrawingSizes(-2 ,0);
5425 DrawPosition(TRUE, boards[currentMove]);
5429 SendBoard(cps, moveNum)
5430 ChessProgramState *cps;
5433 char message[MSG_SIZ];
5435 if (cps->useSetboard) {
5436 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5437 sprintf(message, "setboard %s\n", fen);
5438 SendToProgram(message, cps);
5444 /* Kludge to set black to move, avoiding the troublesome and now
5445 * deprecated "black" command.
5447 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5449 SendToProgram("edit\n", cps);
5450 SendToProgram("#\n", cps);
5451 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5452 bp = &boards[moveNum][i][BOARD_LEFT];
5453 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5454 if ((int) *bp < (int) BlackPawn) {
5455 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5457 if(message[0] == '+' || message[0] == '~') {
5458 sprintf(message, "%c%c%c+\n",
5459 PieceToChar((ChessSquare)(DEMOTED *bp)),
5462 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5463 message[1] = BOARD_RGHT - 1 - j + '1';
5464 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5466 SendToProgram(message, cps);
5471 SendToProgram("c\n", cps);
5472 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5473 bp = &boards[moveNum][i][BOARD_LEFT];
5474 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5475 if (((int) *bp != (int) EmptySquare)
5476 && ((int) *bp >= (int) BlackPawn)) {
5477 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5479 if(message[0] == '+' || message[0] == '~') {
5480 sprintf(message, "%c%c%c+\n",
5481 PieceToChar((ChessSquare)(DEMOTED *bp)),
5484 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5485 message[1] = BOARD_RGHT - 1 - j + '1';
5486 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5488 SendToProgram(message, cps);
5493 SendToProgram(".\n", cps);
5495 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5498 static int autoQueen; // [HGM] oneclick
5501 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5503 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5504 /* [HGM] add Shogi promotions */
5505 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5510 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5511 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5513 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5514 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5517 piece = boards[currentMove][fromY][fromX];
5518 if(gameInfo.variant == VariantShogi) {
5519 promotionZoneSize = 3;
5520 highestPromotingPiece = (int)WhiteFerz;
5521 } else if(gameInfo.variant == VariantMakruk) {
5522 promotionZoneSize = 3;
5525 // next weed out all moves that do not touch the promotion zone at all
5526 if((int)piece >= BlackPawn) {
5527 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5529 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5531 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5532 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5535 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5537 // weed out mandatory Shogi promotions
5538 if(gameInfo.variant == VariantShogi) {
5539 if(piece >= BlackPawn) {
5540 if(toY == 0 && piece == BlackPawn ||
5541 toY == 0 && piece == BlackQueen ||
5542 toY <= 1 && piece == BlackKnight) {
5547 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5548 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5549 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5556 // weed out obviously illegal Pawn moves
5557 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5558 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5559 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5560 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5561 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5562 // note we are not allowed to test for valid (non-)capture, due to premove
5565 // we either have a choice what to promote to, or (in Shogi) whether to promote
5566 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5567 *promoChoice = PieceToChar(BlackFerz); // no choice
5570 if(autoQueen) { // predetermined
5571 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5572 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5573 else *promoChoice = PieceToChar(BlackQueen);
5577 // suppress promotion popup on illegal moves that are not premoves
5578 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5579 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5580 if(appData.testLegality && !premove) {
5581 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5582 fromY, fromX, toY, toX, NULLCHAR);
5583 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5584 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5592 InPalace(row, column)
5594 { /* [HGM] for Xiangqi */
5595 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5596 column < (BOARD_WIDTH + 4)/2 &&
5597 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5602 PieceForSquare (x, y)
5606 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5609 return boards[currentMove][y][x];
5613 OKToStartUserMove(x, y)
5616 ChessSquare from_piece;
5619 if (matchMode) return FALSE;
5620 if (gameMode == EditPosition) return TRUE;
5622 if (x >= 0 && y >= 0)
5623 from_piece = boards[currentMove][y][x];
5625 from_piece = EmptySquare;
5627 if (from_piece == EmptySquare) return FALSE;
5629 white_piece = (int)from_piece >= (int)WhitePawn &&
5630 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5633 case PlayFromGameFile:
5635 case TwoMachinesPlay:
5643 case MachinePlaysWhite:
5644 case IcsPlayingBlack:
5645 if (appData.zippyPlay) return FALSE;
5647 DisplayMoveError(_("You are playing Black"));
5652 case MachinePlaysBlack:
5653 case IcsPlayingWhite:
5654 if (appData.zippyPlay) return FALSE;
5656 DisplayMoveError(_("You are playing White"));
5662 if (!white_piece && WhiteOnMove(currentMove)) {
5663 DisplayMoveError(_("It is White's turn"));
5666 if (white_piece && !WhiteOnMove(currentMove)) {
5667 DisplayMoveError(_("It is Black's turn"));
5670 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5671 /* Editing correspondence game history */
5672 /* Could disallow this or prompt for confirmation */
5677 case BeginningOfGame:
5678 if (appData.icsActive) return FALSE;
5679 if (!appData.noChessProgram) {
5681 DisplayMoveError(_("You are playing White"));
5688 if (!white_piece && WhiteOnMove(currentMove)) {
5689 DisplayMoveError(_("It is White's turn"));
5692 if (white_piece && !WhiteOnMove(currentMove)) {
5693 DisplayMoveError(_("It is Black's turn"));
5702 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5703 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5704 && gameMode != AnalyzeFile && gameMode != Training) {
5705 DisplayMoveError(_("Displayed position is not current"));
5712 OnlyMove(int *x, int *y, Boolean captures) {
5713 DisambiguateClosure cl;
5714 if (appData.zippyPlay) return FALSE;
5716 case MachinePlaysBlack:
5717 case IcsPlayingWhite:
5718 case BeginningOfGame:
5719 if(!WhiteOnMove(currentMove)) return FALSE;
5721 case MachinePlaysWhite:
5722 case IcsPlayingBlack:
5723 if(WhiteOnMove(currentMove)) return FALSE;
5728 cl.pieceIn = EmptySquare;
5733 cl.promoCharIn = NULLCHAR;
5734 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5735 if( cl.kind == NormalMove ||
5736 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5737 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5738 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5739 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5746 if(cl.kind != ImpossibleMove) return FALSE;
5747 cl.pieceIn = EmptySquare;
5752 cl.promoCharIn = NULLCHAR;
5753 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5754 if( cl.kind == NormalMove ||
5755 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5756 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5757 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5758 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5763 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5769 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5770 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5771 int lastLoadGameUseList = FALSE;
5772 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5773 ChessMove lastLoadGameStart = (ChessMove) 0;
5776 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5777 int fromX, fromY, toX, toY;
5782 ChessSquare pdown, pup;
5784 /* Check if the user is playing in turn. This is complicated because we
5785 let the user "pick up" a piece before it is his turn. So the piece he
5786 tried to pick up may have been captured by the time he puts it down!
5787 Therefore we use the color the user is supposed to be playing in this
5788 test, not the color of the piece that is currently on the starting
5789 square---except in EditGame mode, where the user is playing both
5790 sides; fortunately there the capture race can't happen. (It can
5791 now happen in IcsExamining mode, but that's just too bad. The user
5792 will get a somewhat confusing message in that case.)
5796 case PlayFromGameFile:
5798 case TwoMachinesPlay:
5802 /* We switched into a game mode where moves are not accepted,
5803 perhaps while the mouse button was down. */
5804 return ImpossibleMove;
5806 case MachinePlaysWhite:
5807 /* User is moving for Black */
5808 if (WhiteOnMove(currentMove)) {
5809 DisplayMoveError(_("It is White's turn"));
5810 return ImpossibleMove;
5814 case MachinePlaysBlack:
5815 /* User is moving for White */
5816 if (!WhiteOnMove(currentMove)) {
5817 DisplayMoveError(_("It is Black's turn"));
5818 return ImpossibleMove;
5824 case BeginningOfGame:
5827 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5828 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5829 /* User is moving for Black */
5830 if (WhiteOnMove(currentMove)) {
5831 DisplayMoveError(_("It is White's turn"));
5832 return ImpossibleMove;
5835 /* User is moving for White */
5836 if (!WhiteOnMove(currentMove)) {
5837 DisplayMoveError(_("It is Black's turn"));
5838 return ImpossibleMove;
5843 case IcsPlayingBlack:
5844 /* User is moving for Black */
5845 if (WhiteOnMove(currentMove)) {
5846 if (!appData.premove) {
5847 DisplayMoveError(_("It is White's turn"));
5848 } else if (toX >= 0 && toY >= 0) {
5851 premoveFromX = fromX;
5852 premoveFromY = fromY;
5853 premovePromoChar = promoChar;
5855 if (appData.debugMode)
5856 fprintf(debugFP, "Got premove: fromX %d,"
5857 "fromY %d, toX %d, toY %d\n",
5858 fromX, fromY, toX, toY);
5860 return ImpossibleMove;
5864 case IcsPlayingWhite:
5865 /* User is moving for White */
5866 if (!WhiteOnMove(currentMove)) {
5867 if (!appData.premove) {
5868 DisplayMoveError(_("It is Black's turn"));
5869 } else if (toX >= 0 && toY >= 0) {
5872 premoveFromX = fromX;
5873 premoveFromY = fromY;
5874 premovePromoChar = promoChar;
5876 if (appData.debugMode)
5877 fprintf(debugFP, "Got premove: fromX %d,"
5878 "fromY %d, toX %d, toY %d\n",
5879 fromX, fromY, toX, toY);
5881 return ImpossibleMove;
5889 /* EditPosition, empty square, or different color piece;
5890 click-click move is possible */
5891 if (toX == -2 || toY == -2) {
5892 boards[0][fromY][fromX] = EmptySquare;
5893 return AmbiguousMove;
5894 } else if (toX >= 0 && toY >= 0) {
5895 boards[0][toY][toX] = boards[0][fromY][fromX];
5896 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5897 if(boards[0][fromY][0] != EmptySquare) {
5898 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5899 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5902 if(fromX == BOARD_RGHT+1) {
5903 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5904 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5905 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5908 boards[0][fromY][fromX] = EmptySquare;
5909 return AmbiguousMove;
5911 return ImpossibleMove;
5914 if(toX < 0 || toY < 0) return ImpossibleMove;
5915 pdown = boards[currentMove][fromY][fromX];
5916 pup = boards[currentMove][toY][toX];
5918 /* [HGM] If move started in holdings, it means a drop */
5919 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5920 if( pup != EmptySquare ) return ImpossibleMove;
5921 if(appData.testLegality) {
5922 /* it would be more logical if LegalityTest() also figured out
5923 * which drops are legal. For now we forbid pawns on back rank.
5924 * Shogi is on its own here...
5926 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5927 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5928 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5930 return WhiteDrop; /* Not needed to specify white or black yet */
5933 /* [HGM] always test for legality, to get promotion info */
5934 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5935 fromY, fromX, toY, toX, promoChar);
5936 /* [HGM] but possibly ignore an IllegalMove result */
5937 if (appData.testLegality) {
5938 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5939 DisplayMoveError(_("Illegal move"));
5940 return ImpossibleMove;
5945 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5946 function is made into one that returns an OK move type if FinishMove
5947 should be called. This to give the calling driver routine the
5948 opportunity to finish the userMove input with a promotion popup,
5949 without bothering the user with this for invalid or illegal moves */
5951 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5954 /* Common tail of UserMoveEvent and DropMenuEvent */
5956 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5958 int fromX, fromY, toX, toY;
5959 /*char*/int promoChar;
5963 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5964 // [HGM] superchess: suppress promotions to non-available piece
5965 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5966 if(WhiteOnMove(currentMove)) {
5967 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5969 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5973 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5974 move type in caller when we know the move is a legal promotion */
5975 if(moveType == NormalMove && promoChar)
5976 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5978 /* [HGM] convert drag-and-drop piece drops to standard form */
5979 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5980 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5981 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5982 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5983 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5984 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5985 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5986 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5990 /* [HGM] <popupFix> The following if has been moved here from
5991 UserMoveEvent(). Because it seemed to belong here (why not allow
5992 piece drops in training games?), and because it can only be
5993 performed after it is known to what we promote. */
5994 if (gameMode == Training) {
5995 /* compare the move played on the board to the next move in the
5996 * game. If they match, display the move and the opponent's response.
5997 * If they don't match, display an error message.
6001 CopyBoard(testBoard, boards[currentMove]);
6002 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6004 if (CompareBoards(testBoard, boards[currentMove+1])) {
6005 ForwardInner(currentMove+1);
6007 /* Autoplay the opponent's response.
6008 * if appData.animate was TRUE when Training mode was entered,
6009 * the response will be animated.
6011 saveAnimate = appData.animate;
6012 appData.animate = animateTraining;
6013 ForwardInner(currentMove+1);
6014 appData.animate = saveAnimate;
6016 /* check for the end of the game */
6017 if (currentMove >= forwardMostMove) {
6018 gameMode = PlayFromGameFile;
6020 SetTrainingModeOff();
6021 DisplayInformation(_("End of game"));
6024 DisplayError(_("Incorrect move"), 0);
6029 /* Ok, now we know that the move is good, so we can kill
6030 the previous line in Analysis Mode */
6031 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6032 && currentMove < forwardMostMove) {
6033 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6036 /* If we need the chess program but it's dead, restart it */
6037 ResurrectChessProgram();
6039 /* A user move restarts a paused game*/
6043 thinkOutput[0] = NULLCHAR;
6045 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6047 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6049 if (gameMode == BeginningOfGame) {
6050 if (appData.noChessProgram) {
6051 gameMode = EditGame;
6055 gameMode = MachinePlaysBlack;
6058 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
6060 if (first.sendName) {
6061 sprintf(buf, "name %s\n", gameInfo.white);
6062 SendToProgram(buf, &first);
6069 /* Relay move to ICS or chess engine */
6070 if (appData.icsActive) {
6071 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6072 gameMode == IcsExamining) {
6073 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6074 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6076 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6078 // also send plain move, in case ICS does not understand atomic claims
6079 SendMoveToICS(moveType, fromX, fromY, toX, toY);
6083 if (first.sendTime && (gameMode == BeginningOfGame ||
6084 gameMode == MachinePlaysWhite ||
6085 gameMode == MachinePlaysBlack)) {
6086 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6088 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6089 // [HGM] book: if program might be playing, let it use book
6090 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6091 first.maybeThinking = TRUE;
6092 } else SendMoveToProgram(forwardMostMove-1, &first);
6093 if (currentMove == cmailOldMove + 1) {
6094 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6098 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6102 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6108 if (WhiteOnMove(currentMove)) {
6109 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6111 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6115 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6120 case MachinePlaysBlack:
6121 case MachinePlaysWhite:
6122 /* disable certain menu options while machine is thinking */
6123 SetMachineThinkingEnables();
6130 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6132 if(bookHit) { // [HGM] book: simulate book reply
6133 static char bookMove[MSG_SIZ]; // a bit generous?
6135 programStats.nodes = programStats.depth = programStats.time =
6136 programStats.score = programStats.got_only_move = 0;
6137 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6139 strcpy(bookMove, "move ");
6140 strcat(bookMove, bookHit);
6141 HandleMachineMove(bookMove, &first);
6147 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6148 int fromX, fromY, toX, toY;
6151 /* [HGM] This routine was added to allow calling of its two logical
6152 parts from other modules in the old way. Before, UserMoveEvent()
6153 automatically called FinishMove() if the move was OK, and returned
6154 otherwise. I separated the two, in order to make it possible to
6155 slip a promotion popup in between. But that it always needs two
6156 calls, to the first part, (now called UserMoveTest() ), and to
6157 FinishMove if the first part succeeded. Calls that do not need
6158 to do anything in between, can call this routine the old way.
6160 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6161 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6162 if(moveType == AmbiguousMove)
6163 DrawPosition(FALSE, boards[currentMove]);
6164 else if(moveType != ImpossibleMove && moveType != Comment)
6165 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6169 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6176 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6177 Markers *m = (Markers *) closure;
6178 if(rf == fromY && ff == fromX)
6179 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6180 || kind == WhiteCapturesEnPassant
6181 || kind == BlackCapturesEnPassant);
6182 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6186 MarkTargetSquares(int clear)
6189 if(!appData.markers || !appData.highlightDragging ||
6190 !appData.testLegality || gameMode == EditPosition) return;
6192 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6195 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6196 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6197 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6199 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6202 DrawPosition(TRUE, NULL);
6205 void LeftClick(ClickType clickType, int xPix, int yPix)
6208 Boolean saveAnimate;
6209 static int second = 0, promotionChoice = 0;
6210 char promoChoice = NULLCHAR;
6212 if(appData.seekGraph && appData.icsActive && loggedOn &&
6213 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6214 SeekGraphClick(clickType, xPix, yPix, 0);
6218 if (clickType == Press) ErrorPopDown();
6219 MarkTargetSquares(1);
6221 x = EventToSquare(xPix, BOARD_WIDTH);
6222 y = EventToSquare(yPix, BOARD_HEIGHT);
6223 if (!flipView && y >= 0) {
6224 y = BOARD_HEIGHT - 1 - y;
6226 if (flipView && x >= 0) {
6227 x = BOARD_WIDTH - 1 - x;
6230 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6231 if(clickType == Release) return; // ignore upclick of click-click destination
6232 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6233 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6234 if(gameInfo.holdingsWidth &&
6235 (WhiteOnMove(currentMove)
6236 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6237 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6238 // click in right holdings, for determining promotion piece
6239 ChessSquare p = boards[currentMove][y][x];
6240 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6241 if(p != EmptySquare) {
6242 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6247 DrawPosition(FALSE, boards[currentMove]);
6251 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6252 if(clickType == Press
6253 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6254 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6255 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6258 autoQueen = appData.alwaysPromoteToQueen;
6261 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6262 if (clickType == Press) {
6264 if (OKToStartUserMove(x, y)) {
6268 MarkTargetSquares(0);
6269 DragPieceBegin(xPix, yPix);
6270 if (appData.highlightDragging) {
6271 SetHighlights(x, y, -1, -1);
6280 if (clickType == Press && gameMode != EditPosition) {
6285 // ignore off-board to clicks
6286 if(y < 0 || x < 0) return;
6288 /* Check if clicking again on the same color piece */
6289 fromP = boards[currentMove][fromY][fromX];
6290 toP = boards[currentMove][y][x];
6291 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6292 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6293 WhitePawn <= toP && toP <= WhiteKing &&
6294 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6295 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6296 (BlackPawn <= fromP && fromP <= BlackKing &&
6297 BlackPawn <= toP && toP <= BlackKing &&
6298 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6299 !(fromP == BlackKing && toP == BlackRook && frc))) {
6300 /* Clicked again on same color piece -- changed his mind */
6301 second = (x == fromX && y == fromY);
6302 if(!second || !OnlyMove(&x, &y, TRUE)) {
6303 if (appData.highlightDragging) {
6304 SetHighlights(x, y, -1, -1);
6308 if (OKToStartUserMove(x, y)) {
6311 MarkTargetSquares(0);
6312 DragPieceBegin(xPix, yPix);
6317 // ignore clicks on holdings
6318 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6321 if (clickType == Release && x == fromX && y == fromY) {
6322 DragPieceEnd(xPix, yPix);
6323 if (appData.animateDragging) {
6324 /* Undo animation damage if any */
6325 DrawPosition(FALSE, NULL);
6328 /* Second up/down in same square; just abort move */
6333 ClearPremoveHighlights();
6335 /* First upclick in same square; start click-click mode */
6336 SetHighlights(x, y, -1, -1);
6341 /* we now have a different from- and (possibly off-board) to-square */
6342 /* Completed move */
6345 saveAnimate = appData.animate;
6346 if (clickType == Press) {
6347 /* Finish clickclick move */
6348 if (appData.animate || appData.highlightLastMove) {
6349 SetHighlights(fromX, fromY, toX, toY);
6354 /* Finish drag move */
6355 if (appData.highlightLastMove) {
6356 SetHighlights(fromX, fromY, toX, toY);
6360 DragPieceEnd(xPix, yPix);
6361 /* Don't animate move and drag both */
6362 appData.animate = FALSE;
6365 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6366 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6367 ChessSquare piece = boards[currentMove][fromY][fromX];
6368 if(gameMode == EditPosition && piece != EmptySquare &&
6369 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6372 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6373 n = PieceToNumber(piece - (int)BlackPawn);
6374 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6375 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6376 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6378 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6379 n = PieceToNumber(piece);
6380 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6381 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6382 boards[currentMove][n][BOARD_WIDTH-2]++;
6384 boards[currentMove][fromY][fromX] = EmptySquare;
6388 DrawPosition(TRUE, boards[currentMove]);
6392 // off-board moves should not be highlighted
6393 if(x < 0 || x < 0) ClearHighlights();
6395 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6396 SetHighlights(fromX, fromY, toX, toY);
6397 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6398 // [HGM] super: promotion to captured piece selected from holdings
6399 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6400 promotionChoice = TRUE;
6401 // kludge follows to temporarily execute move on display, without promoting yet
6402 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6403 boards[currentMove][toY][toX] = p;
6404 DrawPosition(FALSE, boards[currentMove]);
6405 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6406 boards[currentMove][toY][toX] = q;
6407 DisplayMessage("Click in holdings to choose piece", "");
6412 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6413 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6414 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6417 appData.animate = saveAnimate;
6418 if (appData.animate || appData.animateDragging) {
6419 /* Undo animation damage if needed */
6420 DrawPosition(FALSE, NULL);
6424 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6425 { // front-end-free part taken out of PieceMenuPopup
6426 int whichMenu; int xSqr, ySqr;
6428 if(seekGraphUp) { // [HGM] seekgraph
6429 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6430 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6434 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6435 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6436 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6437 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6441 xSqr = EventToSquare(x, BOARD_WIDTH);
6442 ySqr = EventToSquare(y, BOARD_HEIGHT);
6443 if (action == Release) UnLoadPV(); // [HGM] pv
6444 if (action != Press) return -2; // return code to be ignored
6447 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6449 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6450 if (xSqr < 0 || ySqr < 0) return -1;
\r
6451 whichMenu = 0; // edit-position menu
6454 if(!appData.icsEngineAnalyze) return -1;
6455 case IcsPlayingWhite:
6456 case IcsPlayingBlack:
6457 if(!appData.zippyPlay) goto noZip;
6460 case MachinePlaysWhite:
6461 case MachinePlaysBlack:
6462 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6463 if (!appData.dropMenu) {
6465 return 2; // flag front-end to grab mouse events
6467 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6468 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6471 if (xSqr < 0 || ySqr < 0) return -1;
6472 if (!appData.dropMenu || appData.testLegality &&
6473 gameInfo.variant != VariantBughouse &&
6474 gameInfo.variant != VariantCrazyhouse) return -1;
6475 whichMenu = 1; // drop menu
6481 if (((*fromX = xSqr) < 0) ||
6482 ((*fromY = ySqr) < 0)) {
6483 *fromX = *fromY = -1;
6487 *fromX = BOARD_WIDTH - 1 - *fromX;
6489 *fromY = BOARD_HEIGHT - 1 - *fromY;
6494 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6496 // char * hint = lastHint;
6497 FrontEndProgramStats stats;
6499 stats.which = cps == &first ? 0 : 1;
6500 stats.depth = cpstats->depth;
6501 stats.nodes = cpstats->nodes;
6502 stats.score = cpstats->score;
6503 stats.time = cpstats->time;
6504 stats.pv = cpstats->movelist;
6505 stats.hint = lastHint;
6506 stats.an_move_index = 0;
6507 stats.an_move_count = 0;
6509 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6510 stats.hint = cpstats->move_name;
6511 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6512 stats.an_move_count = cpstats->nr_moves;
6515 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6517 SetProgramStats( &stats );
6521 Adjudicate(ChessProgramState *cps)
6522 { // [HGM] some adjudications useful with buggy engines
6523 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6524 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6525 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6526 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6527 int k, count = 0; static int bare = 1;
6528 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6529 Boolean canAdjudicate = !appData.icsActive;
6531 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6532 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6533 if( appData.testLegality )
6534 { /* [HGM] Some more adjudications for obstinate engines */
6535 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6536 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6537 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6538 static int moveCount = 6;
6540 char *reason = NULL;
6542 /* Count what is on board. */
6543 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6544 { ChessSquare p = boards[forwardMostMove][i][j];
6548 { /* count B,N,R and other of each side */
6551 NrK++; break; // [HGM] atomic: count Kings
6555 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6556 bishopsColor |= 1 << ((i^j)&1);
6561 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6562 bishopsColor |= 1 << ((i^j)&1);
6577 PawnAdvance += m; NrPawns++;
6579 NrPieces += (p != EmptySquare);
6580 NrW += ((int)p < (int)BlackPawn);
6581 if(gameInfo.variant == VariantXiangqi &&
6582 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6583 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6584 NrW -= ((int)p < (int)BlackPawn);
6588 /* Some material-based adjudications that have to be made before stalemate test */
6589 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6590 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6591 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6592 if(canAdjudicate && appData.checkMates) {
6594 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6595 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6596 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6597 "Xboard adjudication: King destroyed", GE_XBOARD );
6602 /* Bare King in Shatranj (loses) or Losers (wins) */
6603 if( NrW == 1 || NrPieces - NrW == 1) {
6604 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6605 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6606 if(canAdjudicate && appData.checkMates) {
6608 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6609 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6610 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6611 "Xboard adjudication: Bare king", GE_XBOARD );
6615 if( gameInfo.variant == VariantShatranj && --bare < 0)
6617 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6618 if(canAdjudicate && appData.checkMates) {
6619 /* but only adjudicate if adjudication enabled */
6621 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6622 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6623 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6624 "Xboard adjudication: Bare king", GE_XBOARD );
6631 // don't wait for engine to announce game end if we can judge ourselves
6632 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6634 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6635 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6636 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6637 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6640 reason = "Xboard adjudication: 3rd check";
6641 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6651 reason = "Xboard adjudication: Stalemate";
6652 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6653 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6654 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6655 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6656 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6657 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6658 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6659 EP_CHECKMATE : EP_WINS);
6660 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6661 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6665 reason = "Xboard adjudication: Checkmate";
6666 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6670 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6672 result = GameIsDrawn; break;
6674 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6676 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6678 result = (ChessMove) 0;
6680 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6682 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6683 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6684 GameEnds( result, reason, GE_XBOARD );
6688 /* Next absolutely insufficient mating material. */
6689 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6690 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6691 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6692 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6693 { /* KBK, KNK, KK of KBKB with like Bishops */
6695 /* always flag draws, for judging claims */
6696 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6698 if(canAdjudicate && appData.materialDraws) {
6699 /* but only adjudicate them if adjudication enabled */
6700 if(engineOpponent) {
6701 SendToProgram("force\n", engineOpponent); // suppress reply
6702 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6704 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6705 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6710 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6712 ( NrWR == 1 && NrBR == 1 /* KRKR */
6713 || NrWQ==1 && NrBQ==1 /* KQKQ */
6714 || NrWN==2 || NrBN==2 /* KNNK */
6715 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6717 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6718 { /* if the first 3 moves do not show a tactical win, declare draw */
6719 if(engineOpponent) {
6720 SendToProgram("force\n", engineOpponent); // suppress reply
6721 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6723 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6724 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6727 } else moveCount = 6;
6731 if (appData.debugMode) { int i;
6732 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6733 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6734 appData.drawRepeats);
6735 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6736 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6740 // Repetition draws and 50-move rule can be applied independently of legality testing
6742 /* Check for rep-draws */
6744 for(k = forwardMostMove-2;
6745 k>=backwardMostMove && k>=forwardMostMove-100 &&
6746 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6747 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6750 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6751 /* compare castling rights */
6752 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6753 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6754 rights++; /* King lost rights, while rook still had them */
6755 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6756 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6757 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6758 rights++; /* but at least one rook lost them */
6760 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6761 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6763 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6764 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6765 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6768 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6769 && appData.drawRepeats > 1) {
6770 /* adjudicate after user-specified nr of repeats */
6771 if(engineOpponent) {
6772 SendToProgram("force\n", engineOpponent); // suppress reply
6773 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6775 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6776 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6777 // [HGM] xiangqi: check for forbidden perpetuals
6778 int m, ourPerpetual = 1, hisPerpetual = 1;
6779 for(m=forwardMostMove; m>k; m-=2) {
6780 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6781 ourPerpetual = 0; // the current mover did not always check
6782 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6783 hisPerpetual = 0; // the opponent did not always check
6785 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6786 ourPerpetual, hisPerpetual);
6787 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6788 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6789 "Xboard adjudication: perpetual checking", GE_XBOARD );
6792 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6793 break; // (or we would have caught him before). Abort repetition-checking loop.
6794 // Now check for perpetual chases
6795 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6796 hisPerpetual = PerpetualChase(k, forwardMostMove);
6797 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6798 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6799 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6800 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6803 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6804 break; // Abort repetition-checking loop.
6806 // if neither of us is checking or chasing all the time, or both are, it is draw
6808 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6811 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6812 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6816 /* Now we test for 50-move draws. Determine ply count */
6817 count = forwardMostMove;
6818 /* look for last irreversble move */
6819 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6821 /* if we hit starting position, add initial plies */
6822 if( count == backwardMostMove )
6823 count -= initialRulePlies;
6824 count = forwardMostMove - count;
6826 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6827 /* this is used to judge if draw claims are legal */
6828 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6829 if(engineOpponent) {
6830 SendToProgram("force\n", engineOpponent); // suppress reply
6831 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6833 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6834 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6838 /* if draw offer is pending, treat it as a draw claim
6839 * when draw condition present, to allow engines a way to
6840 * claim draws before making their move to avoid a race
6841 * condition occurring after their move
6843 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6845 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6846 p = "Draw claim: 50-move rule";
6847 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6848 p = "Draw claim: 3-fold repetition";
6849 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6850 p = "Draw claim: insufficient mating material";
6851 if( p != NULL && canAdjudicate) {
6852 if(engineOpponent) {
6853 SendToProgram("force\n", engineOpponent); // suppress reply
6854 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6856 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6857 GameEnds( GameIsDrawn, p, GE_XBOARD );
6862 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6863 if(engineOpponent) {
6864 SendToProgram("force\n", engineOpponent); // suppress reply
6865 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6867 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6868 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6874 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6875 { // [HGM] book: this routine intercepts moves to simulate book replies
6876 char *bookHit = NULL;
6878 //first determine if the incoming move brings opponent into his book
6879 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6880 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6881 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6882 if(bookHit != NULL && !cps->bookSuspend) {
6883 // make sure opponent is not going to reply after receiving move to book position
6884 SendToProgram("force\n", cps);
6885 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6887 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6888 // now arrange restart after book miss
6890 // after a book hit we never send 'go', and the code after the call to this routine
6891 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6893 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6894 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6895 SendToProgram(buf, cps);
6896 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6897 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6898 SendToProgram("go\n", cps);
6899 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6900 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6901 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6902 SendToProgram("go\n", cps);
6903 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6905 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6909 ChessProgramState *savedState;
6910 void DeferredBookMove(void)
6912 if(savedState->lastPing != savedState->lastPong)
6913 ScheduleDelayedEvent(DeferredBookMove, 10);
6915 HandleMachineMove(savedMessage, savedState);
6919 HandleMachineMove(message, cps)
6921 ChessProgramState *cps;
6923 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6924 char realname[MSG_SIZ];
6925 int fromX, fromY, toX, toY;
6934 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6936 * Kludge to ignore BEL characters
6938 while (*message == '\007') message++;
6941 * [HGM] engine debug message: ignore lines starting with '#' character
6943 if(cps->debug && *message == '#') return;
6946 * Look for book output
6948 if (cps == &first && bookRequested) {
6949 if (message[0] == '\t' || message[0] == ' ') {
6950 /* Part of the book output is here; append it */
6951 strcat(bookOutput, message);
6952 strcat(bookOutput, " \n");
6954 } else if (bookOutput[0] != NULLCHAR) {
6955 /* All of book output has arrived; display it */
6956 char *p = bookOutput;
6957 while (*p != NULLCHAR) {
6958 if (*p == '\t') *p = ' ';
6961 DisplayInformation(bookOutput);
6962 bookRequested = FALSE;
6963 /* Fall through to parse the current output */
6968 * Look for machine move.
6970 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6971 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6973 /* This method is only useful on engines that support ping */
6974 if (cps->lastPing != cps->lastPong) {
6975 if (gameMode == BeginningOfGame) {
6976 /* Extra move from before last new; ignore */
6977 if (appData.debugMode) {
6978 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6981 if (appData.debugMode) {
6982 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6983 cps->which, gameMode);
6986 SendToProgram("undo\n", cps);
6992 case BeginningOfGame:
6993 /* Extra move from before last reset; ignore */
6994 if (appData.debugMode) {
6995 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7002 /* Extra move after we tried to stop. The mode test is
7003 not a reliable way of detecting this problem, but it's
7004 the best we can do on engines that don't support ping.
7006 if (appData.debugMode) {
7007 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7008 cps->which, gameMode);
7010 SendToProgram("undo\n", cps);
7013 case MachinePlaysWhite:
7014 case IcsPlayingWhite:
7015 machineWhite = TRUE;
7018 case MachinePlaysBlack:
7019 case IcsPlayingBlack:
7020 machineWhite = FALSE;
7023 case TwoMachinesPlay:
7024 machineWhite = (cps->twoMachinesColor[0] == 'w');
7027 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7028 if (appData.debugMode) {
7030 "Ignoring move out of turn by %s, gameMode %d"
7031 ", forwardMost %d\n",
7032 cps->which, gameMode, forwardMostMove);
7037 if (appData.debugMode) { int f = forwardMostMove;
7038 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7039 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7040 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7042 if(cps->alphaRank) AlphaRank(machineMove, 4);
7043 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7044 &fromX, &fromY, &toX, &toY, &promoChar)) {
7045 /* Machine move could not be parsed; ignore it. */
7046 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
7047 machineMove, cps->which);
7048 DisplayError(buf1, 0);
7049 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7050 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7051 if (gameMode == TwoMachinesPlay) {
7052 GameEnds(machineWhite ? BlackWins : WhiteWins,
7058 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7059 /* So we have to redo legality test with true e.p. status here, */
7060 /* to make sure an illegal e.p. capture does not slip through, */
7061 /* to cause a forfeit on a justified illegal-move complaint */
7062 /* of the opponent. */
7063 if( gameMode==TwoMachinesPlay && appData.testLegality
7064 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
7067 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7068 fromY, fromX, toY, toX, promoChar);
7069 if (appData.debugMode) {
7071 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7072 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7073 fprintf(debugFP, "castling rights\n");
7075 if(moveType == IllegalMove) {
7076 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7077 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7078 GameEnds(machineWhite ? BlackWins : WhiteWins,
7081 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7082 /* [HGM] Kludge to handle engines that send FRC-style castling
7083 when they shouldn't (like TSCP-Gothic) */
7085 case WhiteASideCastleFR:
7086 case BlackASideCastleFR:
7088 currentMoveString[2]++;
7090 case WhiteHSideCastleFR:
7091 case BlackHSideCastleFR:
7093 currentMoveString[2]--;
7095 default: ; // nothing to do, but suppresses warning of pedantic compilers
7098 hintRequested = FALSE;
7099 lastHint[0] = NULLCHAR;
7100 bookRequested = FALSE;
7101 /* Program may be pondering now */
7102 cps->maybeThinking = TRUE;
7103 if (cps->sendTime == 2) cps->sendTime = 1;
7104 if (cps->offeredDraw) cps->offeredDraw--;
7106 /* currentMoveString is set as a side-effect of ParseOneMove */
7107 strcpy(machineMove, currentMoveString);
7108 strcat(machineMove, "\n");
7109 strcpy(moveList[forwardMostMove], machineMove);
7111 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7113 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7114 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7117 while( count < adjudicateLossPlies ) {
7118 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7121 score = -score; /* Flip score for winning side */
7124 if( score > adjudicateLossThreshold ) {
7131 if( count >= adjudicateLossPlies ) {
7132 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7134 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7135 "Xboard adjudication",
7142 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7145 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7147 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7148 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7150 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7152 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7154 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7155 char buf[3*MSG_SIZ];
7157 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7158 programStats.score / 100.,
7160 programStats.time / 100.,
7161 (unsigned int)programStats.nodes,
7162 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7163 programStats.movelist);
7165 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7170 /* [AS] Save move info and clear stats for next move */
7171 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7172 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7173 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7174 ClearProgramStats();
7175 thinkOutput[0] = NULLCHAR;
7176 hiddenThinkOutputState = 0;
7179 if (gameMode == TwoMachinesPlay) {
7180 /* [HGM] relaying draw offers moved to after reception of move */
7181 /* and interpreting offer as claim if it brings draw condition */
7182 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7183 SendToProgram("draw\n", cps->other);
7185 if (cps->other->sendTime) {
7186 SendTimeRemaining(cps->other,
7187 cps->other->twoMachinesColor[0] == 'w');
7189 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7190 if (firstMove && !bookHit) {
7192 if (cps->other->useColors) {
7193 SendToProgram(cps->other->twoMachinesColor, cps->other);
7195 SendToProgram("go\n", cps->other);
7197 cps->other->maybeThinking = TRUE;
7200 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7202 if (!pausing && appData.ringBellAfterMoves) {
7207 * Reenable menu items that were disabled while
7208 * machine was thinking
7210 if (gameMode != TwoMachinesPlay)
7211 SetUserThinkingEnables();
7213 // [HGM] book: after book hit opponent has received move and is now in force mode
7214 // force the book reply into it, and then fake that it outputted this move by jumping
7215 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7217 static char bookMove[MSG_SIZ]; // a bit generous?
7219 strcpy(bookMove, "move ");
7220 strcat(bookMove, bookHit);
7223 programStats.nodes = programStats.depth = programStats.time =
7224 programStats.score = programStats.got_only_move = 0;
7225 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7227 if(cps->lastPing != cps->lastPong) {
7228 savedMessage = message; // args for deferred call
7230 ScheduleDelayedEvent(DeferredBookMove, 10);
7239 /* Set special modes for chess engines. Later something general
7240 * could be added here; for now there is just one kludge feature,
7241 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7242 * when "xboard" is given as an interactive command.
7244 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7245 cps->useSigint = FALSE;
7246 cps->useSigterm = FALSE;
7248 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7249 ParseFeatures(message+8, cps);
7250 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7253 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7254 * want this, I was asked to put it in, and obliged.
7256 if (!strncmp(message, "setboard ", 9)) {
7257 Board initial_position;
7259 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7261 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7262 DisplayError(_("Bad FEN received from engine"), 0);
7266 CopyBoard(boards[0], initial_position);
7267 initialRulePlies = FENrulePlies;
7268 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7269 else gameMode = MachinePlaysBlack;
7270 DrawPosition(FALSE, boards[currentMove]);
7276 * Look for communication commands
7278 if (!strncmp(message, "telluser ", 9)) {
7279 DisplayNote(message + 9);
7282 if (!strncmp(message, "tellusererror ", 14)) {
7284 DisplayError(message + 14, 0);
7287 if (!strncmp(message, "tellopponent ", 13)) {
7288 if (appData.icsActive) {
7290 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7294 DisplayNote(message + 13);
7298 if (!strncmp(message, "tellothers ", 11)) {
7299 if (appData.icsActive) {
7301 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7307 if (!strncmp(message, "tellall ", 8)) {
7308 if (appData.icsActive) {
7310 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7314 DisplayNote(message + 8);
7318 if (strncmp(message, "warning", 7) == 0) {
7319 /* Undocumented feature, use tellusererror in new code */
7320 DisplayError(message, 0);
7323 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7324 strcpy(realname, cps->tidy);
7325 strcat(realname, " query");
7326 AskQuestion(realname, buf2, buf1, cps->pr);
7329 /* Commands from the engine directly to ICS. We don't allow these to be
7330 * sent until we are logged on. Crafty kibitzes have been known to
7331 * interfere with the login process.
7334 if (!strncmp(message, "tellics ", 8)) {
7335 SendToICS(message + 8);
7339 if (!strncmp(message, "tellicsnoalias ", 15)) {
7340 SendToICS(ics_prefix);
7341 SendToICS(message + 15);
7345 /* The following are for backward compatibility only */
7346 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7347 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7348 SendToICS(ics_prefix);
7354 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7358 * If the move is illegal, cancel it and redraw the board.
7359 * Also deal with other error cases. Matching is rather loose
7360 * here to accommodate engines written before the spec.
7362 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7363 strncmp(message, "Error", 5) == 0) {
7364 if (StrStr(message, "name") ||
7365 StrStr(message, "rating") || StrStr(message, "?") ||
7366 StrStr(message, "result") || StrStr(message, "board") ||
7367 StrStr(message, "bk") || StrStr(message, "computer") ||
7368 StrStr(message, "variant") || StrStr(message, "hint") ||
7369 StrStr(message, "random") || StrStr(message, "depth") ||
7370 StrStr(message, "accepted")) {
7373 if (StrStr(message, "protover")) {
7374 /* Program is responding to input, so it's apparently done
7375 initializing, and this error message indicates it is
7376 protocol version 1. So we don't need to wait any longer
7377 for it to initialize and send feature commands. */
7378 FeatureDone(cps, 1);
7379 cps->protocolVersion = 1;
7382 cps->maybeThinking = FALSE;
7384 if (StrStr(message, "draw")) {
7385 /* Program doesn't have "draw" command */
7386 cps->sendDrawOffers = 0;
7389 if (cps->sendTime != 1 &&
7390 (StrStr(message, "time") || StrStr(message, "otim"))) {
7391 /* Program apparently doesn't have "time" or "otim" command */
7395 if (StrStr(message, "analyze")) {
7396 cps->analysisSupport = FALSE;
7397 cps->analyzing = FALSE;
7399 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7400 DisplayError(buf2, 0);
7403 if (StrStr(message, "(no matching move)st")) {
7404 /* Special kludge for GNU Chess 4 only */
7405 cps->stKludge = TRUE;
7406 SendTimeControl(cps, movesPerSession, timeControl,
7407 timeIncrement, appData.searchDepth,
7411 if (StrStr(message, "(no matching move)sd")) {
7412 /* Special kludge for GNU Chess 4 only */
7413 cps->sdKludge = TRUE;
7414 SendTimeControl(cps, movesPerSession, timeControl,
7415 timeIncrement, appData.searchDepth,
7419 if (!StrStr(message, "llegal")) {
7422 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7423 gameMode == IcsIdle) return;
7424 if (forwardMostMove <= backwardMostMove) return;
7425 if (pausing) PauseEvent();
7426 if(appData.forceIllegal) {
7427 // [HGM] illegal: machine refused move; force position after move into it
7428 SendToProgram("force\n", cps);
7429 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7430 // we have a real problem now, as SendBoard will use the a2a3 kludge
7431 // when black is to move, while there might be nothing on a2 or black
7432 // might already have the move. So send the board as if white has the move.
7433 // But first we must change the stm of the engine, as it refused the last move
7434 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7435 if(WhiteOnMove(forwardMostMove)) {
7436 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7437 SendBoard(cps, forwardMostMove); // kludgeless board
7439 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7440 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7441 SendBoard(cps, forwardMostMove+1); // kludgeless board
7443 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7444 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7445 gameMode == TwoMachinesPlay)
7446 SendToProgram("go\n", cps);
7449 if (gameMode == PlayFromGameFile) {
7450 /* Stop reading this game file */
7451 gameMode = EditGame;
7454 currentMove = forwardMostMove-1;
7455 DisplayMove(currentMove-1); /* before DisplayMoveError */
7456 SwitchClocks(forwardMostMove-1); // [HGM] race
7457 DisplayBothClocks();
7458 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7459 parseList[currentMove], cps->which);
7460 DisplayMoveError(buf1);
7461 DrawPosition(FALSE, boards[currentMove]);
7463 /* [HGM] illegal-move claim should forfeit game when Xboard */
7464 /* only passes fully legal moves */
7465 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7466 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7467 "False illegal-move claim", GE_XBOARD );
7471 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7472 /* Program has a broken "time" command that
7473 outputs a string not ending in newline.
7479 * If chess program startup fails, exit with an error message.
7480 * Attempts to recover here are futile.
7482 if ((StrStr(message, "unknown host") != NULL)
7483 || (StrStr(message, "No remote directory") != NULL)
7484 || (StrStr(message, "not found") != NULL)
7485 || (StrStr(message, "No such file") != NULL)
7486 || (StrStr(message, "can't alloc") != NULL)
7487 || (StrStr(message, "Permission denied") != NULL)) {
7489 cps->maybeThinking = FALSE;
7490 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7491 cps->which, cps->program, cps->host, message);
7492 RemoveInputSource(cps->isr);
7493 DisplayFatalError(buf1, 0, 1);
7498 * Look for hint output
7500 if (sscanf(message, "Hint: %s", buf1) == 1) {
7501 if (cps == &first && hintRequested) {
7502 hintRequested = FALSE;
7503 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7504 &fromX, &fromY, &toX, &toY, &promoChar)) {
7505 (void) CoordsToAlgebraic(boards[forwardMostMove],
7506 PosFlags(forwardMostMove),
7507 fromY, fromX, toY, toX, promoChar, buf1);
7508 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7509 DisplayInformation(buf2);
7511 /* Hint move could not be parsed!? */
7512 snprintf(buf2, sizeof(buf2),
7513 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7515 DisplayError(buf2, 0);
7518 strcpy(lastHint, buf1);
7524 * Ignore other messages if game is not in progress
7526 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7527 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7530 * look for win, lose, draw, or draw offer
7532 if (strncmp(message, "1-0", 3) == 0) {
7533 char *p, *q, *r = "";
7534 p = strchr(message, '{');
7542 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7544 } else if (strncmp(message, "0-1", 3) == 0) {
7545 char *p, *q, *r = "";
7546 p = strchr(message, '{');
7554 /* Kludge for Arasan 4.1 bug */
7555 if (strcmp(r, "Black resigns") == 0) {
7556 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7559 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7561 } else if (strncmp(message, "1/2", 3) == 0) {
7562 char *p, *q, *r = "";
7563 p = strchr(message, '{');
7572 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7575 } else if (strncmp(message, "White resign", 12) == 0) {
7576 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7578 } else if (strncmp(message, "Black resign", 12) == 0) {
7579 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7581 } else if (strncmp(message, "White matches", 13) == 0 ||
7582 strncmp(message, "Black matches", 13) == 0 ) {
7583 /* [HGM] ignore GNUShogi noises */
7585 } else if (strncmp(message, "White", 5) == 0 &&
7586 message[5] != '(' &&
7587 StrStr(message, "Black") == NULL) {
7588 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7590 } else if (strncmp(message, "Black", 5) == 0 &&
7591 message[5] != '(') {
7592 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7594 } else if (strcmp(message, "resign") == 0 ||
7595 strcmp(message, "computer resigns") == 0) {
7597 case MachinePlaysBlack:
7598 case IcsPlayingBlack:
7599 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7601 case MachinePlaysWhite:
7602 case IcsPlayingWhite:
7603 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7605 case TwoMachinesPlay:
7606 if (cps->twoMachinesColor[0] == 'w')
7607 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7609 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7616 } else if (strncmp(message, "opponent mates", 14) == 0) {
7618 case MachinePlaysBlack:
7619 case IcsPlayingBlack:
7620 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7622 case MachinePlaysWhite:
7623 case IcsPlayingWhite:
7624 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7626 case TwoMachinesPlay:
7627 if (cps->twoMachinesColor[0] == 'w')
7628 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7630 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7637 } else if (strncmp(message, "computer mates", 14) == 0) {
7639 case MachinePlaysBlack:
7640 case IcsPlayingBlack:
7641 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7643 case MachinePlaysWhite:
7644 case IcsPlayingWhite:
7645 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7647 case TwoMachinesPlay:
7648 if (cps->twoMachinesColor[0] == 'w')
7649 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7651 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7658 } else if (strncmp(message, "checkmate", 9) == 0) {
7659 if (WhiteOnMove(forwardMostMove)) {
7660 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7662 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7665 } else if (strstr(message, "Draw") != NULL ||
7666 strstr(message, "game is a draw") != NULL) {
7667 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7669 } else if (strstr(message, "offer") != NULL &&
7670 strstr(message, "draw") != NULL) {
7672 if (appData.zippyPlay && first.initDone) {
7673 /* Relay offer to ICS */
7674 SendToICS(ics_prefix);
7675 SendToICS("draw\n");
7678 cps->offeredDraw = 2; /* valid until this engine moves twice */
7679 if (gameMode == TwoMachinesPlay) {
7680 if (cps->other->offeredDraw) {
7681 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7682 /* [HGM] in two-machine mode we delay relaying draw offer */
7683 /* until after we also have move, to see if it is really claim */
7685 } else if (gameMode == MachinePlaysWhite ||
7686 gameMode == MachinePlaysBlack) {
7687 if (userOfferedDraw) {
7688 DisplayInformation(_("Machine accepts your draw offer"));
7689 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7691 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7698 * Look for thinking output
7700 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7701 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7703 int plylev, mvleft, mvtot, curscore, time;
7704 char mvname[MOVE_LEN];
7708 int prefixHint = FALSE;
7709 mvname[0] = NULLCHAR;
7712 case MachinePlaysBlack:
7713 case IcsPlayingBlack:
7714 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7716 case MachinePlaysWhite:
7717 case IcsPlayingWhite:
7718 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7723 case IcsObserving: /* [DM] icsEngineAnalyze */
7724 if (!appData.icsEngineAnalyze) ignore = TRUE;
7726 case TwoMachinesPlay:
7727 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7738 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7739 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7741 if (plyext != ' ' && plyext != '\t') {
7745 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7746 if( cps->scoreIsAbsolute &&
7747 ( gameMode == MachinePlaysBlack ||
7748 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7749 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7750 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7751 !WhiteOnMove(currentMove)
7754 curscore = -curscore;
7758 programStats.depth = plylev;
7759 programStats.nodes = nodes;
7760 programStats.time = time;
7761 programStats.score = curscore;
7762 programStats.got_only_move = 0;
7764 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7767 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7768 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7769 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7770 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7771 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7772 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7773 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7774 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7777 /* Buffer overflow protection */
7778 if (buf1[0] != NULLCHAR) {
7779 if (strlen(buf1) >= sizeof(programStats.movelist)
7780 && appData.debugMode) {
7782 "PV is too long; using the first %u bytes.\n",
7783 (unsigned) sizeof(programStats.movelist) - 1);
7786 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7788 sprintf(programStats.movelist, " no PV\n");
7791 if (programStats.seen_stat) {
7792 programStats.ok_to_send = 1;
7795 if (strchr(programStats.movelist, '(') != NULL) {
7796 programStats.line_is_book = 1;
7797 programStats.nr_moves = 0;
7798 programStats.moves_left = 0;
7800 programStats.line_is_book = 0;
7803 SendProgramStatsToFrontend( cps, &programStats );
7806 [AS] Protect the thinkOutput buffer from overflow... this
7807 is only useful if buf1 hasn't overflowed first!
7809 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7811 (gameMode == TwoMachinesPlay ?
7812 ToUpper(cps->twoMachinesColor[0]) : ' '),
7813 ((double) curscore) / 100.0,
7814 prefixHint ? lastHint : "",
7815 prefixHint ? " " : "" );
7817 if( buf1[0] != NULLCHAR ) {
7818 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7820 if( strlen(buf1) > max_len ) {
7821 if( appData.debugMode) {
7822 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7824 buf1[max_len+1] = '\0';
7827 strcat( thinkOutput, buf1 );
7830 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7831 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7832 DisplayMove(currentMove - 1);
7836 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7837 /* crafty (9.25+) says "(only move) <move>"
7838 * if there is only 1 legal move
7840 sscanf(p, "(only move) %s", buf1);
7841 sprintf(thinkOutput, "%s (only move)", buf1);
7842 sprintf(programStats.movelist, "%s (only move)", buf1);
7843 programStats.depth = 1;
7844 programStats.nr_moves = 1;
7845 programStats.moves_left = 1;
7846 programStats.nodes = 1;
7847 programStats.time = 1;
7848 programStats.got_only_move = 1;
7850 /* Not really, but we also use this member to
7851 mean "line isn't going to change" (Crafty
7852 isn't searching, so stats won't change) */
7853 programStats.line_is_book = 1;
7855 SendProgramStatsToFrontend( cps, &programStats );
7857 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7858 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7859 DisplayMove(currentMove - 1);
7862 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7863 &time, &nodes, &plylev, &mvleft,
7864 &mvtot, mvname) >= 5) {
7865 /* The stat01: line is from Crafty (9.29+) in response
7866 to the "." command */
7867 programStats.seen_stat = 1;
7868 cps->maybeThinking = TRUE;
7870 if (programStats.got_only_move || !appData.periodicUpdates)
7873 programStats.depth = plylev;
7874 programStats.time = time;
7875 programStats.nodes = nodes;
7876 programStats.moves_left = mvleft;
7877 programStats.nr_moves = mvtot;
7878 strcpy(programStats.move_name, mvname);
7879 programStats.ok_to_send = 1;
7880 programStats.movelist[0] = '\0';
7882 SendProgramStatsToFrontend( cps, &programStats );
7886 } else if (strncmp(message,"++",2) == 0) {
7887 /* Crafty 9.29+ outputs this */
7888 programStats.got_fail = 2;
7891 } else if (strncmp(message,"--",2) == 0) {
7892 /* Crafty 9.29+ outputs this */
7893 programStats.got_fail = 1;
7896 } else if (thinkOutput[0] != NULLCHAR &&
7897 strncmp(message, " ", 4) == 0) {
7898 unsigned message_len;
7901 while (*p && *p == ' ') p++;
7903 message_len = strlen( p );
7905 /* [AS] Avoid buffer overflow */
7906 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7907 strcat(thinkOutput, " ");
7908 strcat(thinkOutput, p);
7911 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7912 strcat(programStats.movelist, " ");
7913 strcat(programStats.movelist, p);
7916 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7917 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7918 DisplayMove(currentMove - 1);
7926 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7927 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7929 ChessProgramStats cpstats;
7931 if (plyext != ' ' && plyext != '\t') {
7935 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7936 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7937 curscore = -curscore;
7940 cpstats.depth = plylev;
7941 cpstats.nodes = nodes;
7942 cpstats.time = time;
7943 cpstats.score = curscore;
7944 cpstats.got_only_move = 0;
7945 cpstats.movelist[0] = '\0';
7947 if (buf1[0] != NULLCHAR) {
7948 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7951 cpstats.ok_to_send = 0;
7952 cpstats.line_is_book = 0;
7953 cpstats.nr_moves = 0;
7954 cpstats.moves_left = 0;
7956 SendProgramStatsToFrontend( cps, &cpstats );
7963 /* Parse a game score from the character string "game", and
7964 record it as the history of the current game. The game
7965 score is NOT assumed to start from the standard position.
7966 The display is not updated in any way.
7969 ParseGameHistory(game)
7973 int fromX, fromY, toX, toY, boardIndex;
7978 if (appData.debugMode)
7979 fprintf(debugFP, "Parsing game history: %s\n", game);
7981 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7982 gameInfo.site = StrSave(appData.icsHost);
7983 gameInfo.date = PGNDate();
7984 gameInfo.round = StrSave("-");
7986 /* Parse out names of players */
7987 while (*game == ' ') game++;
7989 while (*game != ' ') *p++ = *game++;
7991 gameInfo.white = StrSave(buf);
7992 while (*game == ' ') game++;
7994 while (*game != ' ' && *game != '\n') *p++ = *game++;
7996 gameInfo.black = StrSave(buf);
7999 boardIndex = blackPlaysFirst ? 1 : 0;
8002 yyboardindex = boardIndex;
8003 moveType = (ChessMove) yylex();
8005 case IllegalMove: /* maybe suicide chess, etc. */
8006 if (appData.debugMode) {
8007 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8008 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8009 setbuf(debugFP, NULL);
8011 case WhitePromotionChancellor:
8012 case BlackPromotionChancellor:
8013 case WhitePromotionArchbishop:
8014 case BlackPromotionArchbishop:
8015 case WhitePromotionQueen:
8016 case BlackPromotionQueen:
8017 case WhitePromotionRook:
8018 case BlackPromotionRook:
8019 case WhitePromotionBishop:
8020 case BlackPromotionBishop:
8021 case WhitePromotionKnight:
8022 case BlackPromotionKnight:
8023 case WhitePromotionKing:
8024 case BlackPromotionKing:
8026 case WhiteCapturesEnPassant:
8027 case BlackCapturesEnPassant:
8028 case WhiteKingSideCastle:
8029 case WhiteQueenSideCastle:
8030 case BlackKingSideCastle:
8031 case BlackQueenSideCastle:
8032 case WhiteKingSideCastleWild:
8033 case WhiteQueenSideCastleWild:
8034 case BlackKingSideCastleWild:
8035 case BlackQueenSideCastleWild:
8037 case WhiteHSideCastleFR:
8038 case WhiteASideCastleFR:
8039 case BlackHSideCastleFR:
8040 case BlackASideCastleFR:
8042 fromX = currentMoveString[0] - AAA;
8043 fromY = currentMoveString[1] - ONE;
8044 toX = currentMoveString[2] - AAA;
8045 toY = currentMoveString[3] - ONE;
8046 promoChar = currentMoveString[4];
8050 fromX = moveType == WhiteDrop ?
8051 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8052 (int) CharToPiece(ToLower(currentMoveString[0]));
8054 toX = currentMoveString[2] - AAA;
8055 toY = currentMoveString[3] - ONE;
8056 promoChar = NULLCHAR;
8060 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8061 if (appData.debugMode) {
8062 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8063 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8064 setbuf(debugFP, NULL);
8066 DisplayError(buf, 0);
8068 case ImpossibleMove:
8070 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
8071 if (appData.debugMode) {
8072 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8073 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8074 setbuf(debugFP, NULL);
8076 DisplayError(buf, 0);
8078 case (ChessMove) 0: /* end of file */
8079 if (boardIndex < backwardMostMove) {
8080 /* Oops, gap. How did that happen? */
8081 DisplayError(_("Gap in move list"), 0);
8084 backwardMostMove = blackPlaysFirst ? 1 : 0;
8085 if (boardIndex > forwardMostMove) {
8086 forwardMostMove = boardIndex;
8090 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8091 strcat(parseList[boardIndex-1], " ");
8092 strcat(parseList[boardIndex-1], yy_text);
8104 case GameUnfinished:
8105 if (gameMode == IcsExamining) {
8106 if (boardIndex < backwardMostMove) {
8107 /* Oops, gap. How did that happen? */
8110 backwardMostMove = blackPlaysFirst ? 1 : 0;
8113 gameInfo.result = moveType;
8114 p = strchr(yy_text, '{');
8115 if (p == NULL) p = strchr(yy_text, '(');
8118 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8120 q = strchr(p, *p == '{' ? '}' : ')');
8121 if (q != NULL) *q = NULLCHAR;
8124 gameInfo.resultDetails = StrSave(p);
8127 if (boardIndex >= forwardMostMove &&
8128 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8129 backwardMostMove = blackPlaysFirst ? 1 : 0;
8132 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8133 fromY, fromX, toY, toX, promoChar,
8134 parseList[boardIndex]);
8135 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8136 /* currentMoveString is set as a side-effect of yylex */
8137 strcpy(moveList[boardIndex], currentMoveString);
8138 strcat(moveList[boardIndex], "\n");
8140 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8141 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8147 if(gameInfo.variant != VariantShogi)
8148 strcat(parseList[boardIndex - 1], "+");
8152 strcat(parseList[boardIndex - 1], "#");
8159 /* Apply a move to the given board */
8161 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8162 int fromX, fromY, toX, toY;
8166 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8167 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8169 /* [HGM] compute & store e.p. status and castling rights for new position */
8170 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8173 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8174 oldEP = (signed char)board[EP_STATUS];
8175 board[EP_STATUS] = EP_NONE;
8177 if( board[toY][toX] != EmptySquare )
8178 board[EP_STATUS] = EP_CAPTURE;
8180 if( board[fromY][fromX] == WhitePawn ) {
8181 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8182 board[EP_STATUS] = EP_PAWN_MOVE;
8184 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8185 gameInfo.variant != VariantBerolina || toX < fromX)
8186 board[EP_STATUS] = toX | berolina;
8187 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8188 gameInfo.variant != VariantBerolina || toX > fromX)
8189 board[EP_STATUS] = toX;
8192 if( board[fromY][fromX] == BlackPawn ) {
8193 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8194 board[EP_STATUS] = EP_PAWN_MOVE;
8195 if( toY-fromY== -2) {
8196 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8197 gameInfo.variant != VariantBerolina || toX < fromX)
8198 board[EP_STATUS] = toX | berolina;
8199 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8200 gameInfo.variant != VariantBerolina || toX > fromX)
8201 board[EP_STATUS] = toX;
8205 for(i=0; i<nrCastlingRights; i++) {
8206 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8207 board[CASTLING][i] == toX && castlingRank[i] == toY
8208 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8213 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8214 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8215 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8217 if (fromX == toX && fromY == toY) return;
8219 if (fromY == DROP_RANK) {
8221 piece = board[toY][toX] = (ChessSquare) fromX;
8223 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8224 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8225 if(gameInfo.variant == VariantKnightmate)
8226 king += (int) WhiteUnicorn - (int) WhiteKing;
8228 /* Code added by Tord: */
8229 /* FRC castling assumed when king captures friendly rook. */
8230 if (board[fromY][fromX] == WhiteKing &&
8231 board[toY][toX] == WhiteRook) {
8232 board[fromY][fromX] = EmptySquare;
8233 board[toY][toX] = EmptySquare;
8235 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8237 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8239 } else if (board[fromY][fromX] == BlackKing &&
8240 board[toY][toX] == BlackRook) {
8241 board[fromY][fromX] = EmptySquare;
8242 board[toY][toX] = EmptySquare;
8244 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8246 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8248 /* End of code added by Tord */
8250 } else if (board[fromY][fromX] == king
8251 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8252 && toY == fromY && toX > fromX+1) {
8253 board[fromY][fromX] = EmptySquare;
8254 board[toY][toX] = king;
8255 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8256 board[fromY][BOARD_RGHT-1] = EmptySquare;
8257 } else if (board[fromY][fromX] == king
8258 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8259 && toY == fromY && toX < fromX-1) {
8260 board[fromY][fromX] = EmptySquare;
8261 board[toY][toX] = king;
8262 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8263 board[fromY][BOARD_LEFT] = EmptySquare;
8264 } else if (board[fromY][fromX] == WhitePawn
8265 && toY >= BOARD_HEIGHT-promoRank
8266 && gameInfo.variant != VariantXiangqi
8268 /* white pawn promotion */
8269 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8270 if (board[toY][toX] == EmptySquare) {
8271 board[toY][toX] = WhiteQueen;
8273 if(gameInfo.variant==VariantBughouse ||
8274 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8275 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8276 board[fromY][fromX] = EmptySquare;
8277 } else if ((fromY == BOARD_HEIGHT-4)
8279 && gameInfo.variant != VariantXiangqi
8280 && gameInfo.variant != VariantBerolina
8281 && (board[fromY][fromX] == WhitePawn)
8282 && (board[toY][toX] == EmptySquare)) {
8283 board[fromY][fromX] = EmptySquare;
8284 board[toY][toX] = WhitePawn;
8285 captured = board[toY - 1][toX];
8286 board[toY - 1][toX] = EmptySquare;
8287 } else if ((fromY == BOARD_HEIGHT-4)
8289 && gameInfo.variant == VariantBerolina
8290 && (board[fromY][fromX] == WhitePawn)
8291 && (board[toY][toX] == EmptySquare)) {
8292 board[fromY][fromX] = EmptySquare;
8293 board[toY][toX] = WhitePawn;
8294 if(oldEP & EP_BEROLIN_A) {
8295 captured = board[fromY][fromX-1];
8296 board[fromY][fromX-1] = EmptySquare;
8297 }else{ captured = board[fromY][fromX+1];
8298 board[fromY][fromX+1] = EmptySquare;
8300 } else if (board[fromY][fromX] == king
8301 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8302 && toY == fromY && toX > fromX+1) {
8303 board[fromY][fromX] = EmptySquare;
8304 board[toY][toX] = king;
8305 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8306 board[fromY][BOARD_RGHT-1] = EmptySquare;
8307 } else if (board[fromY][fromX] == king
8308 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8309 && toY == fromY && toX < fromX-1) {
8310 board[fromY][fromX] = EmptySquare;
8311 board[toY][toX] = king;
8312 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8313 board[fromY][BOARD_LEFT] = EmptySquare;
8314 } else if (fromY == 7 && fromX == 3
8315 && board[fromY][fromX] == BlackKing
8316 && toY == 7 && toX == 5) {
8317 board[fromY][fromX] = EmptySquare;
8318 board[toY][toX] = BlackKing;
8319 board[fromY][7] = EmptySquare;
8320 board[toY][4] = BlackRook;
8321 } else if (fromY == 7 && fromX == 3
8322 && board[fromY][fromX] == BlackKing
8323 && toY == 7 && toX == 1) {
8324 board[fromY][fromX] = EmptySquare;
8325 board[toY][toX] = BlackKing;
8326 board[fromY][0] = EmptySquare;
8327 board[toY][2] = BlackRook;
8328 } else if (board[fromY][fromX] == BlackPawn
8330 && gameInfo.variant != VariantXiangqi
8332 /* black pawn promotion */
8333 board[toY][toX] = CharToPiece(ToLower(promoChar));
8334 if (board[toY][toX] == EmptySquare) {
8335 board[toY][toX] = BlackQueen;
8337 if(gameInfo.variant==VariantBughouse ||
8338 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8339 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8340 board[fromY][fromX] = EmptySquare;
8341 } else if ((fromY == 3)
8343 && gameInfo.variant != VariantXiangqi
8344 && gameInfo.variant != VariantBerolina
8345 && (board[fromY][fromX] == BlackPawn)
8346 && (board[toY][toX] == EmptySquare)) {
8347 board[fromY][fromX] = EmptySquare;
8348 board[toY][toX] = BlackPawn;
8349 captured = board[toY + 1][toX];
8350 board[toY + 1][toX] = EmptySquare;
8351 } else if ((fromY == 3)
8353 && gameInfo.variant == VariantBerolina
8354 && (board[fromY][fromX] == BlackPawn)
8355 && (board[toY][toX] == EmptySquare)) {
8356 board[fromY][fromX] = EmptySquare;
8357 board[toY][toX] = BlackPawn;
8358 if(oldEP & EP_BEROLIN_A) {
8359 captured = board[fromY][fromX-1];
8360 board[fromY][fromX-1] = EmptySquare;
8361 }else{ captured = board[fromY][fromX+1];
8362 board[fromY][fromX+1] = EmptySquare;
8365 board[toY][toX] = board[fromY][fromX];
8366 board[fromY][fromX] = EmptySquare;
8369 /* [HGM] now we promote for Shogi, if needed */
8370 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8371 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8374 if (gameInfo.holdingsWidth != 0) {
8376 /* !!A lot more code needs to be written to support holdings */
8377 /* [HGM] OK, so I have written it. Holdings are stored in the */
8378 /* penultimate board files, so they are automaticlly stored */
8379 /* in the game history. */
8380 if (fromY == DROP_RANK) {
8381 /* Delete from holdings, by decreasing count */
8382 /* and erasing image if necessary */
8384 if(p < (int) BlackPawn) { /* white drop */
8385 p -= (int)WhitePawn;
8386 p = PieceToNumber((ChessSquare)p);
8387 if(p >= gameInfo.holdingsSize) p = 0;
8388 if(--board[p][BOARD_WIDTH-2] <= 0)
8389 board[p][BOARD_WIDTH-1] = EmptySquare;
8390 if((int)board[p][BOARD_WIDTH-2] < 0)
8391 board[p][BOARD_WIDTH-2] = 0;
8392 } else { /* black drop */
8393 p -= (int)BlackPawn;
8394 p = PieceToNumber((ChessSquare)p);
8395 if(p >= gameInfo.holdingsSize) p = 0;
8396 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8397 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8398 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8399 board[BOARD_HEIGHT-1-p][1] = 0;
8402 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8403 && gameInfo.variant != VariantBughouse ) {
8404 /* [HGM] holdings: Add to holdings, if holdings exist */
8405 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8406 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8407 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8410 if (p >= (int) BlackPawn) {
8411 p -= (int)BlackPawn;
8412 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8413 /* in Shogi restore piece to its original first */
8414 captured = (ChessSquare) (DEMOTED captured);
8417 p = PieceToNumber((ChessSquare)p);
8418 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8419 board[p][BOARD_WIDTH-2]++;
8420 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8422 p -= (int)WhitePawn;
8423 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8424 captured = (ChessSquare) (DEMOTED captured);
8427 p = PieceToNumber((ChessSquare)p);
8428 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8429 board[BOARD_HEIGHT-1-p][1]++;
8430 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8433 } else if (gameInfo.variant == VariantAtomic) {
8434 if (captured != EmptySquare) {
8436 for (y = toY-1; y <= toY+1; y++) {
8437 for (x = toX-1; x <= toX+1; x++) {
8438 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8439 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8440 board[y][x] = EmptySquare;
8444 board[toY][toX] = EmptySquare;
8447 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8448 /* [HGM] Shogi promotions */
8449 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8452 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8453 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8454 // [HGM] superchess: take promotion piece out of holdings
8455 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8456 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8457 if(!--board[k][BOARD_WIDTH-2])
8458 board[k][BOARD_WIDTH-1] = EmptySquare;
8460 if(!--board[BOARD_HEIGHT-1-k][1])
8461 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8467 /* Updates forwardMostMove */
8469 MakeMove(fromX, fromY, toX, toY, promoChar)
8470 int fromX, fromY, toX, toY;
8473 // forwardMostMove++; // [HGM] bare: moved downstream
8475 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8476 int timeLeft; static int lastLoadFlag=0; int king, piece;
8477 piece = boards[forwardMostMove][fromY][fromX];
8478 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8479 if(gameInfo.variant == VariantKnightmate)
8480 king += (int) WhiteUnicorn - (int) WhiteKing;
8481 if(forwardMostMove == 0) {
8483 fprintf(serverMoves, "%s;", second.tidy);
8484 fprintf(serverMoves, "%s;", first.tidy);
8485 if(!blackPlaysFirst)
8486 fprintf(serverMoves, "%s;", second.tidy);
8487 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8488 lastLoadFlag = loadFlag;
8490 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8491 // print castling suffix
8492 if( toY == fromY && piece == king ) {
8494 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8496 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8499 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8500 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8501 boards[forwardMostMove][toY][toX] == EmptySquare
8503 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8505 if(promoChar != NULLCHAR)
8506 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8508 fprintf(serverMoves, "/%d/%d",
8509 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8510 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8511 else timeLeft = blackTimeRemaining/1000;
8512 fprintf(serverMoves, "/%d", timeLeft);
8514 fflush(serverMoves);
8517 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8518 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8522 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8523 if (commentList[forwardMostMove+1] != NULL) {
8524 free(commentList[forwardMostMove+1]);
8525 commentList[forwardMostMove+1] = NULL;
8527 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8528 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8529 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8530 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8531 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8532 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8533 gameInfo.result = GameUnfinished;
8534 if (gameInfo.resultDetails != NULL) {
8535 free(gameInfo.resultDetails);
8536 gameInfo.resultDetails = NULL;
8538 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8539 moveList[forwardMostMove - 1]);
8540 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8541 PosFlags(forwardMostMove - 1),
8542 fromY, fromX, toY, toX, promoChar,
8543 parseList[forwardMostMove - 1]);
8544 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8550 if(gameInfo.variant != VariantShogi)
8551 strcat(parseList[forwardMostMove - 1], "+");
8555 strcat(parseList[forwardMostMove - 1], "#");
8558 if (appData.debugMode) {
8559 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8564 /* Updates currentMove if not pausing */
8566 ShowMove(fromX, fromY, toX, toY)
8568 int instant = (gameMode == PlayFromGameFile) ?
8569 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8570 if(appData.noGUI) return;
8571 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8573 if (forwardMostMove == currentMove + 1) {
8574 AnimateMove(boards[forwardMostMove - 1],
8575 fromX, fromY, toX, toY);
8577 if (appData.highlightLastMove) {
8578 SetHighlights(fromX, fromY, toX, toY);
8581 currentMove = forwardMostMove;
8584 if (instant) return;
8586 DisplayMove(currentMove - 1);
8587 DrawPosition(FALSE, boards[currentMove]);
8588 DisplayBothClocks();
8589 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8592 void SendEgtPath(ChessProgramState *cps)
8593 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8594 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8596 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8599 char c, *q = name+1, *r, *s;
8601 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8602 while(*p && *p != ',') *q++ = *p++;
8604 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8605 strcmp(name, ",nalimov:") == 0 ) {
8606 // take nalimov path from the menu-changeable option first, if it is defined
8607 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8608 SendToProgram(buf,cps); // send egtbpath command for nalimov
8610 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8611 (s = StrStr(appData.egtFormats, name)) != NULL) {
8612 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8613 s = r = StrStr(s, ":") + 1; // beginning of path info
8614 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8615 c = *r; *r = 0; // temporarily null-terminate path info
8616 *--q = 0; // strip of trailig ':' from name
8617 sprintf(buf, "egtpath %s %s\n", name+1, s);
8619 SendToProgram(buf,cps); // send egtbpath command for this format
8621 if(*p == ',') p++; // read away comma to position for next format name
8626 InitChessProgram(cps, setup)
8627 ChessProgramState *cps;
8628 int setup; /* [HGM] needed to setup FRC opening position */
8630 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8631 if (appData.noChessProgram) return;
8632 hintRequested = FALSE;
8633 bookRequested = FALSE;
8635 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8636 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8637 if(cps->memSize) { /* [HGM] memory */
8638 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8639 SendToProgram(buf, cps);
8641 SendEgtPath(cps); /* [HGM] EGT */
8642 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8643 sprintf(buf, "cores %d\n", appData.smpCores);
8644 SendToProgram(buf, cps);
8647 SendToProgram(cps->initString, cps);
8648 if (gameInfo.variant != VariantNormal &&
8649 gameInfo.variant != VariantLoadable
8650 /* [HGM] also send variant if board size non-standard */
8651 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8653 char *v = VariantName(gameInfo.variant);
8654 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8655 /* [HGM] in protocol 1 we have to assume all variants valid */
8656 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8657 DisplayFatalError(buf, 0, 1);
8661 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8662 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8663 if( gameInfo.variant == VariantXiangqi )
8664 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8665 if( gameInfo.variant == VariantShogi )
8666 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8667 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8668 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8669 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8670 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8671 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8672 if( gameInfo.variant == VariantCourier )
8673 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8674 if( gameInfo.variant == VariantSuper )
8675 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8676 if( gameInfo.variant == VariantGreat )
8677 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8680 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8681 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8682 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8683 if(StrStr(cps->variants, b) == NULL) {
8684 // specific sized variant not known, check if general sizing allowed
8685 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8686 if(StrStr(cps->variants, "boardsize") == NULL) {
8687 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8688 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8689 DisplayFatalError(buf, 0, 1);
8692 /* [HGM] here we really should compare with the maximum supported board size */
8695 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8696 sprintf(buf, "variant %s\n", b);
8697 SendToProgram(buf, cps);
8699 currentlyInitializedVariant = gameInfo.variant;
8701 /* [HGM] send opening position in FRC to first engine */
8703 SendToProgram("force\n", cps);
8705 /* engine is now in force mode! Set flag to wake it up after first move. */
8706 setboardSpoiledMachineBlack = 1;
8710 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8711 SendToProgram(buf, cps);
8713 cps->maybeThinking = FALSE;
8714 cps->offeredDraw = 0;
8715 if (!appData.icsActive) {
8716 SendTimeControl(cps, movesPerSession, timeControl,
8717 timeIncrement, appData.searchDepth,
8720 if (appData.showThinking
8721 // [HGM] thinking: four options require thinking output to be sent
8722 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8724 SendToProgram("post\n", cps);
8726 SendToProgram("hard\n", cps);
8727 if (!appData.ponderNextMove) {
8728 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8729 it without being sure what state we are in first. "hard"
8730 is not a toggle, so that one is OK.
8732 SendToProgram("easy\n", cps);
8735 sprintf(buf, "ping %d\n", ++cps->lastPing);
8736 SendToProgram(buf, cps);
8738 cps->initDone = TRUE;
8743 StartChessProgram(cps)
8744 ChessProgramState *cps;
8749 if (appData.noChessProgram) return;
8750 cps->initDone = FALSE;
8752 if (strcmp(cps->host, "localhost") == 0) {
8753 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8754 } else if (*appData.remoteShell == NULLCHAR) {
8755 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8757 if (*appData.remoteUser == NULLCHAR) {
8758 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8761 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8762 cps->host, appData.remoteUser, cps->program);
8764 err = StartChildProcess(buf, "", &cps->pr);
8768 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8769 DisplayFatalError(buf, err, 1);
8775 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8776 if (cps->protocolVersion > 1) {
8777 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8778 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8779 cps->comboCnt = 0; // and values of combo boxes
8780 SendToProgram(buf, cps);
8782 SendToProgram("xboard\n", cps);
8788 TwoMachinesEventIfReady P((void))
8790 if (first.lastPing != first.lastPong) {
8791 DisplayMessage("", _("Waiting for first chess program"));
8792 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8795 if (second.lastPing != second.lastPong) {
8796 DisplayMessage("", _("Waiting for second chess program"));
8797 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8805 NextMatchGame P((void))
8807 int index; /* [HGM] autoinc: step load index during match */
8809 if (*appData.loadGameFile != NULLCHAR) {
8810 index = appData.loadGameIndex;
8811 if(index < 0) { // [HGM] autoinc
8812 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8813 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8815 LoadGameFromFile(appData.loadGameFile,
8817 appData.loadGameFile, FALSE);
8818 } else if (*appData.loadPositionFile != NULLCHAR) {
8819 index = appData.loadPositionIndex;
8820 if(index < 0) { // [HGM] autoinc
8821 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8822 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8824 LoadPositionFromFile(appData.loadPositionFile,
8826 appData.loadPositionFile);
8828 TwoMachinesEventIfReady();
8831 void UserAdjudicationEvent( int result )
8833 ChessMove gameResult = GameIsDrawn;
8836 gameResult = WhiteWins;
8838 else if( result < 0 ) {
8839 gameResult = BlackWins;
8842 if( gameMode == TwoMachinesPlay ) {
8843 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8848 // [HGM] save: calculate checksum of game to make games easily identifiable
8849 int StringCheckSum(char *s)
8852 if(s==NULL) return 0;
8853 while(*s) i = i*259 + *s++;
8860 for(i=backwardMostMove; i<forwardMostMove; i++) {
8861 sum += pvInfoList[i].depth;
8862 sum += StringCheckSum(parseList[i]);
8863 sum += StringCheckSum(commentList[i]);
8866 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8867 return sum + StringCheckSum(commentList[i]);
8868 } // end of save patch
8871 GameEnds(result, resultDetails, whosays)
8873 char *resultDetails;
8876 GameMode nextGameMode;
8880 if(endingGame) return; /* [HGM] crash: forbid recursion */
8883 if (appData.debugMode) {
8884 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8885 result, resultDetails ? resultDetails : "(null)", whosays);
8888 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8890 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8891 /* If we are playing on ICS, the server decides when the
8892 game is over, but the engine can offer to draw, claim
8896 if (appData.zippyPlay && first.initDone) {
8897 if (result == GameIsDrawn) {
8898 /* In case draw still needs to be claimed */
8899 SendToICS(ics_prefix);
8900 SendToICS("draw\n");
8901 } else if (StrCaseStr(resultDetails, "resign")) {
8902 SendToICS(ics_prefix);
8903 SendToICS("resign\n");
8907 endingGame = 0; /* [HGM] crash */
8911 /* If we're loading the game from a file, stop */
8912 if (whosays == GE_FILE) {
8913 (void) StopLoadGameTimer();
8917 /* Cancel draw offers */
8918 first.offeredDraw = second.offeredDraw = 0;
8920 /* If this is an ICS game, only ICS can really say it's done;
8921 if not, anyone can. */
8922 isIcsGame = (gameMode == IcsPlayingWhite ||
8923 gameMode == IcsPlayingBlack ||
8924 gameMode == IcsObserving ||
8925 gameMode == IcsExamining);
8927 if (!isIcsGame || whosays == GE_ICS) {
8928 /* OK -- not an ICS game, or ICS said it was done */
8930 if (!isIcsGame && !appData.noChessProgram)
8931 SetUserThinkingEnables();
8933 /* [HGM] if a machine claims the game end we verify this claim */
8934 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8935 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8937 ChessMove trueResult = (ChessMove) -1;
8939 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8940 first.twoMachinesColor[0] :
8941 second.twoMachinesColor[0] ;
8943 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8944 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8945 /* [HGM] verify: engine mate claims accepted if they were flagged */
8946 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8948 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8949 /* [HGM] verify: engine mate claims accepted if they were flagged */
8950 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8952 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8953 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8956 // now verify win claims, but not in drop games, as we don't understand those yet
8957 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8958 || gameInfo.variant == VariantGreat) &&
8959 (result == WhiteWins && claimer == 'w' ||
8960 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8961 if (appData.debugMode) {
8962 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8963 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8965 if(result != trueResult) {
8966 sprintf(buf, "False win claim: '%s'", resultDetails);
8967 result = claimer == 'w' ? BlackWins : WhiteWins;
8968 resultDetails = buf;
8971 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8972 && (forwardMostMove <= backwardMostMove ||
8973 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8974 (claimer=='b')==(forwardMostMove&1))
8976 /* [HGM] verify: draws that were not flagged are false claims */
8977 sprintf(buf, "False draw claim: '%s'", resultDetails);
8978 result = claimer == 'w' ? BlackWins : WhiteWins;
8979 resultDetails = buf;
8981 /* (Claiming a loss is accepted no questions asked!) */
8983 /* [HGM] bare: don't allow bare King to win */
8984 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8985 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8986 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8987 && result != GameIsDrawn)
8988 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8989 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8990 int p = (signed char)boards[forwardMostMove][i][j] - color;
8991 if(p >= 0 && p <= (int)WhiteKing) k++;
8993 if (appData.debugMode) {
8994 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8995 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8998 result = GameIsDrawn;
8999 sprintf(buf, "%s but bare king", resultDetails);
9000 resultDetails = buf;
9006 if(serverMoves != NULL && !loadFlag) { char c = '=';
9007 if(result==WhiteWins) c = '+';
9008 if(result==BlackWins) c = '-';
9009 if(resultDetails != NULL)
9010 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9012 if (resultDetails != NULL) {
9013 gameInfo.result = result;
9014 gameInfo.resultDetails = StrSave(resultDetails);
9016 /* display last move only if game was not loaded from file */
9017 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9018 DisplayMove(currentMove - 1);
9020 if (forwardMostMove != 0) {
9021 if (gameMode != PlayFromGameFile && gameMode != EditGame
9022 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9024 if (*appData.saveGameFile != NULLCHAR) {
9025 SaveGameToFile(appData.saveGameFile, TRUE);
9026 } else if (appData.autoSaveGames) {
9029 if (*appData.savePositionFile != NULLCHAR) {
9030 SavePositionToFile(appData.savePositionFile);
9035 /* Tell program how game ended in case it is learning */
9036 /* [HGM] Moved this to after saving the PGN, just in case */
9037 /* engine died and we got here through time loss. In that */
9038 /* case we will get a fatal error writing the pipe, which */
9039 /* would otherwise lose us the PGN. */
9040 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9041 /* output during GameEnds should never be fatal anymore */
9042 if (gameMode == MachinePlaysWhite ||
9043 gameMode == MachinePlaysBlack ||
9044 gameMode == TwoMachinesPlay ||
9045 gameMode == IcsPlayingWhite ||
9046 gameMode == IcsPlayingBlack ||
9047 gameMode == BeginningOfGame) {
9049 sprintf(buf, "result %s {%s}\n", PGNResult(result),
9051 if (first.pr != NoProc) {
9052 SendToProgram(buf, &first);
9054 if (second.pr != NoProc &&
9055 gameMode == TwoMachinesPlay) {
9056 SendToProgram(buf, &second);
9061 if (appData.icsActive) {
9062 if (appData.quietPlay &&
9063 (gameMode == IcsPlayingWhite ||
9064 gameMode == IcsPlayingBlack)) {
9065 SendToICS(ics_prefix);
9066 SendToICS("set shout 1\n");
9068 nextGameMode = IcsIdle;
9069 ics_user_moved = FALSE;
9070 /* clean up premove. It's ugly when the game has ended and the
9071 * premove highlights are still on the board.
9075 ClearPremoveHighlights();
9076 DrawPosition(FALSE, boards[currentMove]);
9078 if (whosays == GE_ICS) {
9081 if (gameMode == IcsPlayingWhite)
9083 else if(gameMode == IcsPlayingBlack)
9087 if (gameMode == IcsPlayingBlack)
9089 else if(gameMode == IcsPlayingWhite)
9096 PlayIcsUnfinishedSound();
9099 } else if (gameMode == EditGame ||
9100 gameMode == PlayFromGameFile ||
9101 gameMode == AnalyzeMode ||
9102 gameMode == AnalyzeFile) {
9103 nextGameMode = gameMode;
9105 nextGameMode = EndOfGame;
9110 nextGameMode = gameMode;
9113 if (appData.noChessProgram) {
9114 gameMode = nextGameMode;
9116 endingGame = 0; /* [HGM] crash */
9121 /* Put first chess program into idle state */
9122 if (first.pr != NoProc &&
9123 (gameMode == MachinePlaysWhite ||
9124 gameMode == MachinePlaysBlack ||
9125 gameMode == TwoMachinesPlay ||
9126 gameMode == IcsPlayingWhite ||
9127 gameMode == IcsPlayingBlack ||
9128 gameMode == BeginningOfGame)) {
9129 SendToProgram("force\n", &first);
9130 if (first.usePing) {
9132 sprintf(buf, "ping %d\n", ++first.lastPing);
9133 SendToProgram(buf, &first);
9136 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9137 /* Kill off first chess program */
9138 if (first.isr != NULL)
9139 RemoveInputSource(first.isr);
9142 if (first.pr != NoProc) {
9144 DoSleep( appData.delayBeforeQuit );
9145 SendToProgram("quit\n", &first);
9146 DoSleep( appData.delayAfterQuit );
9147 DestroyChildProcess(first.pr, first.useSigterm);
9152 /* Put second chess program into idle state */
9153 if (second.pr != NoProc &&
9154 gameMode == TwoMachinesPlay) {
9155 SendToProgram("force\n", &second);
9156 if (second.usePing) {
9158 sprintf(buf, "ping %d\n", ++second.lastPing);
9159 SendToProgram(buf, &second);
9162 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9163 /* Kill off second chess program */
9164 if (second.isr != NULL)
9165 RemoveInputSource(second.isr);
9168 if (second.pr != NoProc) {
9169 DoSleep( appData.delayBeforeQuit );
9170 SendToProgram("quit\n", &second);
9171 DoSleep( appData.delayAfterQuit );
9172 DestroyChildProcess(second.pr, second.useSigterm);
9177 if (matchMode && gameMode == TwoMachinesPlay) {
9180 if (first.twoMachinesColor[0] == 'w') {
9187 if (first.twoMachinesColor[0] == 'b') {
9196 if (matchGame < appData.matchGames) {
9198 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9199 tmp = first.twoMachinesColor;
9200 first.twoMachinesColor = second.twoMachinesColor;
9201 second.twoMachinesColor = tmp;
9203 gameMode = nextGameMode;
9205 if(appData.matchPause>10000 || appData.matchPause<10)
9206 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9207 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9208 endingGame = 0; /* [HGM] crash */
9212 gameMode = nextGameMode;
9213 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9214 first.tidy, second.tidy,
9215 first.matchWins, second.matchWins,
9216 appData.matchGames - (first.matchWins + second.matchWins));
9217 DisplayFatalError(buf, 0, 0);
9220 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9221 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9223 gameMode = nextGameMode;
9225 endingGame = 0; /* [HGM] crash */
9228 /* Assumes program was just initialized (initString sent).
9229 Leaves program in force mode. */
9231 FeedMovesToProgram(cps, upto)
9232 ChessProgramState *cps;
9237 if (appData.debugMode)
9238 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9239 startedFromSetupPosition ? "position and " : "",
9240 backwardMostMove, upto, cps->which);
9241 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9242 // [HGM] variantswitch: make engine aware of new variant
9243 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9244 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9245 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9246 SendToProgram(buf, cps);
9247 currentlyInitializedVariant = gameInfo.variant;
9249 SendToProgram("force\n", cps);
9250 if (startedFromSetupPosition) {
9251 SendBoard(cps, backwardMostMove);
9252 if (appData.debugMode) {
9253 fprintf(debugFP, "feedMoves\n");
9256 for (i = backwardMostMove; i < upto; i++) {
9257 SendMoveToProgram(i, cps);
9263 ResurrectChessProgram()
9265 /* The chess program may have exited.
9266 If so, restart it and feed it all the moves made so far. */
9268 if (appData.noChessProgram || first.pr != NoProc) return;
9270 StartChessProgram(&first);
9271 InitChessProgram(&first, FALSE);
9272 FeedMovesToProgram(&first, currentMove);
9274 if (!first.sendTime) {
9275 /* can't tell gnuchess what its clock should read,
9276 so we bow to its notion. */
9278 timeRemaining[0][currentMove] = whiteTimeRemaining;
9279 timeRemaining[1][currentMove] = blackTimeRemaining;
9282 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9283 appData.icsEngineAnalyze) && first.analysisSupport) {
9284 SendToProgram("analyze\n", &first);
9285 first.analyzing = TRUE;
9298 if (appData.debugMode) {
9299 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9300 redraw, init, gameMode);
9302 CleanupTail(); // [HGM] vari: delete any stored variations
9303 pausing = pauseExamInvalid = FALSE;
9304 startedFromSetupPosition = blackPlaysFirst = FALSE;
9306 whiteFlag = blackFlag = FALSE;
9307 userOfferedDraw = FALSE;
9308 hintRequested = bookRequested = FALSE;
9309 first.maybeThinking = FALSE;
9310 second.maybeThinking = FALSE;
9311 first.bookSuspend = FALSE; // [HGM] book
9312 second.bookSuspend = FALSE;
9313 thinkOutput[0] = NULLCHAR;
9314 lastHint[0] = NULLCHAR;
9315 ClearGameInfo(&gameInfo);
9316 gameInfo.variant = StringToVariant(appData.variant);
9317 ics_user_moved = ics_clock_paused = FALSE;
9318 ics_getting_history = H_FALSE;
9320 white_holding[0] = black_holding[0] = NULLCHAR;
9321 ClearProgramStats();
9322 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9326 flipView = appData.flipView;
9327 ClearPremoveHighlights();
9329 alarmSounded = FALSE;
9331 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9332 if(appData.serverMovesName != NULL) {
9333 /* [HGM] prepare to make moves file for broadcasting */
9334 clock_t t = clock();
9335 if(serverMoves != NULL) fclose(serverMoves);
9336 serverMoves = fopen(appData.serverMovesName, "r");
9337 if(serverMoves != NULL) {
9338 fclose(serverMoves);
9339 /* delay 15 sec before overwriting, so all clients can see end */
9340 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9342 serverMoves = fopen(appData.serverMovesName, "w");
9346 gameMode = BeginningOfGame;
9348 if(appData.icsActive) gameInfo.variant = VariantNormal;
9349 currentMove = forwardMostMove = backwardMostMove = 0;
9350 InitPosition(redraw);
9351 for (i = 0; i < MAX_MOVES; i++) {
9352 if (commentList[i] != NULL) {
9353 free(commentList[i]);
9354 commentList[i] = NULL;
9358 timeRemaining[0][0] = whiteTimeRemaining;
9359 timeRemaining[1][0] = blackTimeRemaining;
9360 if (first.pr == NULL) {
9361 StartChessProgram(&first);
9364 InitChessProgram(&first, startedFromSetupPosition);
9367 DisplayMessage("", "");
9368 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9369 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9376 if (!AutoPlayOneMove())
9378 if (matchMode || appData.timeDelay == 0)
9380 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9382 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9391 int fromX, fromY, toX, toY;
9393 if (appData.debugMode) {
9394 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9397 if (gameMode != PlayFromGameFile)
9400 if (currentMove >= forwardMostMove) {
9401 gameMode = EditGame;
9404 /* [AS] Clear current move marker at the end of a game */
9405 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9410 toX = moveList[currentMove][2] - AAA;
9411 toY = moveList[currentMove][3] - ONE;
9413 if (moveList[currentMove][1] == '@') {
9414 if (appData.highlightLastMove) {
9415 SetHighlights(-1, -1, toX, toY);
9418 fromX = moveList[currentMove][0] - AAA;
9419 fromY = moveList[currentMove][1] - ONE;
9421 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9423 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9425 if (appData.highlightLastMove) {
9426 SetHighlights(fromX, fromY, toX, toY);
9429 DisplayMove(currentMove);
9430 SendMoveToProgram(currentMove++, &first);
9431 DisplayBothClocks();
9432 DrawPosition(FALSE, boards[currentMove]);
9433 // [HGM] PV info: always display, routine tests if empty
9434 DisplayComment(currentMove - 1, commentList[currentMove]);
9440 LoadGameOneMove(readAhead)
9441 ChessMove readAhead;
9443 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9444 char promoChar = NULLCHAR;
9449 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9450 gameMode != AnalyzeMode && gameMode != Training) {
9455 yyboardindex = forwardMostMove;
9456 if (readAhead != (ChessMove)0) {
9457 moveType = readAhead;
9459 if (gameFileFP == NULL)
9461 moveType = (ChessMove) yylex();
9467 if (appData.debugMode)
9468 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9471 /* append the comment but don't display it */
9472 AppendComment(currentMove, p, FALSE);
9475 case WhiteCapturesEnPassant:
9476 case BlackCapturesEnPassant:
9477 case WhitePromotionChancellor:
9478 case BlackPromotionChancellor:
9479 case WhitePromotionArchbishop:
9480 case BlackPromotionArchbishop:
9481 case WhitePromotionCentaur:
9482 case BlackPromotionCentaur:
9483 case WhitePromotionQueen:
9484 case BlackPromotionQueen:
9485 case WhitePromotionRook:
9486 case BlackPromotionRook:
9487 case WhitePromotionBishop:
9488 case BlackPromotionBishop:
9489 case WhitePromotionKnight:
9490 case BlackPromotionKnight:
9491 case WhitePromotionKing:
9492 case BlackPromotionKing:
9494 case WhiteKingSideCastle:
9495 case WhiteQueenSideCastle:
9496 case BlackKingSideCastle:
9497 case BlackQueenSideCastle:
9498 case WhiteKingSideCastleWild:
9499 case WhiteQueenSideCastleWild:
9500 case BlackKingSideCastleWild:
9501 case BlackQueenSideCastleWild:
9503 case WhiteHSideCastleFR:
9504 case WhiteASideCastleFR:
9505 case BlackHSideCastleFR:
9506 case BlackASideCastleFR:
9508 if (appData.debugMode)
9509 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9510 fromX = currentMoveString[0] - AAA;
9511 fromY = currentMoveString[1] - ONE;
9512 toX = currentMoveString[2] - AAA;
9513 toY = currentMoveString[3] - ONE;
9514 promoChar = currentMoveString[4];
9519 if (appData.debugMode)
9520 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9521 fromX = moveType == WhiteDrop ?
9522 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9523 (int) CharToPiece(ToLower(currentMoveString[0]));
9525 toX = currentMoveString[2] - AAA;
9526 toY = currentMoveString[3] - ONE;
9532 case GameUnfinished:
9533 if (appData.debugMode)
9534 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9535 p = strchr(yy_text, '{');
9536 if (p == NULL) p = strchr(yy_text, '(');
9539 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9541 q = strchr(p, *p == '{' ? '}' : ')');
9542 if (q != NULL) *q = NULLCHAR;
9545 GameEnds(moveType, p, GE_FILE);
9547 if (cmailMsgLoaded) {
9549 flipView = WhiteOnMove(currentMove);
9550 if (moveType == GameUnfinished) flipView = !flipView;
9551 if (appData.debugMode)
9552 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9556 case (ChessMove) 0: /* end of file */
9557 if (appData.debugMode)
9558 fprintf(debugFP, "Parser hit end of file\n");
9559 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9565 if (WhiteOnMove(currentMove)) {
9566 GameEnds(BlackWins, "Black mates", GE_FILE);
9568 GameEnds(WhiteWins, "White mates", GE_FILE);
9572 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9579 if (lastLoadGameStart == GNUChessGame) {
9580 /* GNUChessGames have numbers, but they aren't move numbers */
9581 if (appData.debugMode)
9582 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9583 yy_text, (int) moveType);
9584 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9586 /* else fall thru */
9591 /* Reached start of next game in file */
9592 if (appData.debugMode)
9593 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9594 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9600 if (WhiteOnMove(currentMove)) {
9601 GameEnds(BlackWins, "Black mates", GE_FILE);
9603 GameEnds(WhiteWins, "White mates", GE_FILE);
9607 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9613 case PositionDiagram: /* should not happen; ignore */
9614 case ElapsedTime: /* ignore */
9615 case NAG: /* ignore */
9616 if (appData.debugMode)
9617 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9618 yy_text, (int) moveType);
9619 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9622 if (appData.testLegality) {
9623 if (appData.debugMode)
9624 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9625 sprintf(move, _("Illegal move: %d.%s%s"),
9626 (forwardMostMove / 2) + 1,
9627 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9628 DisplayError(move, 0);
9631 if (appData.debugMode)
9632 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9633 yy_text, currentMoveString);
9634 fromX = currentMoveString[0] - AAA;
9635 fromY = currentMoveString[1] - ONE;
9636 toX = currentMoveString[2] - AAA;
9637 toY = currentMoveString[3] - ONE;
9638 promoChar = currentMoveString[4];
9643 if (appData.debugMode)
9644 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9645 sprintf(move, _("Ambiguous move: %d.%s%s"),
9646 (forwardMostMove / 2) + 1,
9647 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9648 DisplayError(move, 0);
9653 case ImpossibleMove:
9654 if (appData.debugMode)
9655 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9656 sprintf(move, _("Illegal move: %d.%s%s"),
9657 (forwardMostMove / 2) + 1,
9658 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9659 DisplayError(move, 0);
9665 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9666 DrawPosition(FALSE, boards[currentMove]);
9667 DisplayBothClocks();
9668 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9669 DisplayComment(currentMove - 1, commentList[currentMove]);
9671 (void) StopLoadGameTimer();
9673 cmailOldMove = forwardMostMove;
9676 /* currentMoveString is set as a side-effect of yylex */
9677 strcat(currentMoveString, "\n");
9678 strcpy(moveList[forwardMostMove], currentMoveString);
9680 thinkOutput[0] = NULLCHAR;
9681 MakeMove(fromX, fromY, toX, toY, promoChar);
9682 currentMove = forwardMostMove;
9687 /* Load the nth game from the given file */
9689 LoadGameFromFile(filename, n, title, useList)
9693 /*Boolean*/ int useList;
9698 if (strcmp(filename, "-") == 0) {
9702 f = fopen(filename, "rb");
9704 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9705 DisplayError(buf, errno);
9709 if (fseek(f, 0, 0) == -1) {
9710 /* f is not seekable; probably a pipe */
9713 if (useList && n == 0) {
9714 int error = GameListBuild(f);
9716 DisplayError(_("Cannot build game list"), error);
9717 } else if (!ListEmpty(&gameList) &&
9718 ((ListGame *) gameList.tailPred)->number > 1) {
9719 GameListPopUp(f, title);
9726 return LoadGame(f, n, title, FALSE);
9731 MakeRegisteredMove()
9733 int fromX, fromY, toX, toY;
9735 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9736 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9739 if (appData.debugMode)
9740 fprintf(debugFP, "Restoring %s for game %d\n",
9741 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9743 thinkOutput[0] = NULLCHAR;
9744 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9745 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9746 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9747 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9748 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9749 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9750 MakeMove(fromX, fromY, toX, toY, promoChar);
9751 ShowMove(fromX, fromY, toX, toY);
9753 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9760 if (WhiteOnMove(currentMove)) {
9761 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9763 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9768 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9775 if (WhiteOnMove(currentMove)) {
9776 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9778 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9783 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9794 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9796 CmailLoadGame(f, gameNumber, title, useList)
9804 if (gameNumber > nCmailGames) {
9805 DisplayError(_("No more games in this message"), 0);
9808 if (f == lastLoadGameFP) {
9809 int offset = gameNumber - lastLoadGameNumber;
9811 cmailMsg[0] = NULLCHAR;
9812 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9813 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9814 nCmailMovesRegistered--;
9816 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9817 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9818 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9821 if (! RegisterMove()) return FALSE;
9825 retVal = LoadGame(f, gameNumber, title, useList);
9827 /* Make move registered during previous look at this game, if any */
9828 MakeRegisteredMove();
9830 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9831 commentList[currentMove]
9832 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9833 DisplayComment(currentMove - 1, commentList[currentMove]);
9839 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9844 int gameNumber = lastLoadGameNumber + offset;
9845 if (lastLoadGameFP == NULL) {
9846 DisplayError(_("No game has been loaded yet"), 0);
9849 if (gameNumber <= 0) {
9850 DisplayError(_("Can't back up any further"), 0);
9853 if (cmailMsgLoaded) {
9854 return CmailLoadGame(lastLoadGameFP, gameNumber,
9855 lastLoadGameTitle, lastLoadGameUseList);
9857 return LoadGame(lastLoadGameFP, gameNumber,
9858 lastLoadGameTitle, lastLoadGameUseList);
9864 /* Load the nth game from open file f */
9866 LoadGame(f, gameNumber, title, useList)
9874 int gn = gameNumber;
9875 ListGame *lg = NULL;
9878 GameMode oldGameMode;
9879 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9881 if (appData.debugMode)
9882 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9884 if (gameMode == Training )
9885 SetTrainingModeOff();
9887 oldGameMode = gameMode;
9888 if (gameMode != BeginningOfGame) {
9893 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9894 fclose(lastLoadGameFP);
9898 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9901 fseek(f, lg->offset, 0);
9902 GameListHighlight(gameNumber);
9906 DisplayError(_("Game number out of range"), 0);
9911 if (fseek(f, 0, 0) == -1) {
9912 if (f == lastLoadGameFP ?
9913 gameNumber == lastLoadGameNumber + 1 :
9917 DisplayError(_("Can't seek on game file"), 0);
9923 lastLoadGameNumber = gameNumber;
9924 strcpy(lastLoadGameTitle, title);
9925 lastLoadGameUseList = useList;
9929 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9930 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9931 lg->gameInfo.black);
9933 } else if (*title != NULLCHAR) {
9934 if (gameNumber > 1) {
9935 sprintf(buf, "%s %d", title, gameNumber);
9938 DisplayTitle(title);
9942 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9943 gameMode = PlayFromGameFile;
9947 currentMove = forwardMostMove = backwardMostMove = 0;
9948 CopyBoard(boards[0], initialPosition);
9952 * Skip the first gn-1 games in the file.
9953 * Also skip over anything that precedes an identifiable
9954 * start of game marker, to avoid being confused by
9955 * garbage at the start of the file. Currently
9956 * recognized start of game markers are the move number "1",
9957 * the pattern "gnuchess .* game", the pattern
9958 * "^[#;%] [^ ]* game file", and a PGN tag block.
9959 * A game that starts with one of the latter two patterns
9960 * will also have a move number 1, possibly
9961 * following a position diagram.
9962 * 5-4-02: Let's try being more lenient and allowing a game to
9963 * start with an unnumbered move. Does that break anything?
9965 cm = lastLoadGameStart = (ChessMove) 0;
9967 yyboardindex = forwardMostMove;
9968 cm = (ChessMove) yylex();
9971 if (cmailMsgLoaded) {
9972 nCmailGames = CMAIL_MAX_GAMES - gn;
9975 DisplayError(_("Game not found in file"), 0);
9982 lastLoadGameStart = cm;
9986 switch (lastLoadGameStart) {
9993 gn--; /* count this game */
9994 lastLoadGameStart = cm;
10003 switch (lastLoadGameStart) {
10006 case MoveNumberOne:
10007 case (ChessMove) 0:
10008 gn--; /* count this game */
10009 lastLoadGameStart = cm;
10012 lastLoadGameStart = cm; /* game counted already */
10020 yyboardindex = forwardMostMove;
10021 cm = (ChessMove) yylex();
10022 } while (cm == PGNTag || cm == Comment);
10029 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10030 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10031 != CMAIL_OLD_RESULT) {
10033 cmailResult[ CMAIL_MAX_GAMES
10034 - gn - 1] = CMAIL_OLD_RESULT;
10040 /* Only a NormalMove can be at the start of a game
10041 * without a position diagram. */
10042 if (lastLoadGameStart == (ChessMove) 0) {
10044 lastLoadGameStart = MoveNumberOne;
10053 if (appData.debugMode)
10054 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10056 if (cm == XBoardGame) {
10057 /* Skip any header junk before position diagram and/or move 1 */
10059 yyboardindex = forwardMostMove;
10060 cm = (ChessMove) yylex();
10062 if (cm == (ChessMove) 0 ||
10063 cm == GNUChessGame || cm == XBoardGame) {
10064 /* Empty game; pretend end-of-file and handle later */
10065 cm = (ChessMove) 0;
10069 if (cm == MoveNumberOne || cm == PositionDiagram ||
10070 cm == PGNTag || cm == Comment)
10073 } else if (cm == GNUChessGame) {
10074 if (gameInfo.event != NULL) {
10075 free(gameInfo.event);
10077 gameInfo.event = StrSave(yy_text);
10080 startedFromSetupPosition = FALSE;
10081 while (cm == PGNTag) {
10082 if (appData.debugMode)
10083 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10084 err = ParsePGNTag(yy_text, &gameInfo);
10085 if (!err) numPGNTags++;
10087 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10088 if(gameInfo.variant != oldVariant) {
10089 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10090 InitPosition(TRUE);
10091 oldVariant = gameInfo.variant;
10092 if (appData.debugMode)
10093 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10097 if (gameInfo.fen != NULL) {
10098 Board initial_position;
10099 startedFromSetupPosition = TRUE;
10100 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10102 DisplayError(_("Bad FEN position in file"), 0);
10105 CopyBoard(boards[0], initial_position);
10106 if (blackPlaysFirst) {
10107 currentMove = forwardMostMove = backwardMostMove = 1;
10108 CopyBoard(boards[1], initial_position);
10109 strcpy(moveList[0], "");
10110 strcpy(parseList[0], "");
10111 timeRemaining[0][1] = whiteTimeRemaining;
10112 timeRemaining[1][1] = blackTimeRemaining;
10113 if (commentList[0] != NULL) {
10114 commentList[1] = commentList[0];
10115 commentList[0] = NULL;
10118 currentMove = forwardMostMove = backwardMostMove = 0;
10120 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10122 initialRulePlies = FENrulePlies;
10123 for( i=0; i< nrCastlingRights; i++ )
10124 initialRights[i] = initial_position[CASTLING][i];
10126 yyboardindex = forwardMostMove;
10127 free(gameInfo.fen);
10128 gameInfo.fen = NULL;
10131 yyboardindex = forwardMostMove;
10132 cm = (ChessMove) yylex();
10134 /* Handle comments interspersed among the tags */
10135 while (cm == Comment) {
10137 if (appData.debugMode)
10138 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10140 AppendComment(currentMove, p, FALSE);
10141 yyboardindex = forwardMostMove;
10142 cm = (ChessMove) yylex();
10146 /* don't rely on existence of Event tag since if game was
10147 * pasted from clipboard the Event tag may not exist
10149 if (numPGNTags > 0){
10151 if (gameInfo.variant == VariantNormal) {
10152 gameInfo.variant = StringToVariant(gameInfo.event);
10155 if( appData.autoDisplayTags ) {
10156 tags = PGNTags(&gameInfo);
10157 TagsPopUp(tags, CmailMsg());
10162 /* Make something up, but don't display it now */
10167 if (cm == PositionDiagram) {
10170 Board initial_position;
10172 if (appData.debugMode)
10173 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10175 if (!startedFromSetupPosition) {
10177 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10178 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10188 initial_position[i][j++] = CharToPiece(*p);
10191 while (*p == ' ' || *p == '\t' ||
10192 *p == '\n' || *p == '\r') p++;
10194 if (strncmp(p, "black", strlen("black"))==0)
10195 blackPlaysFirst = TRUE;
10197 blackPlaysFirst = FALSE;
10198 startedFromSetupPosition = TRUE;
10200 CopyBoard(boards[0], initial_position);
10201 if (blackPlaysFirst) {
10202 currentMove = forwardMostMove = backwardMostMove = 1;
10203 CopyBoard(boards[1], initial_position);
10204 strcpy(moveList[0], "");
10205 strcpy(parseList[0], "");
10206 timeRemaining[0][1] = whiteTimeRemaining;
10207 timeRemaining[1][1] = blackTimeRemaining;
10208 if (commentList[0] != NULL) {
10209 commentList[1] = commentList[0];
10210 commentList[0] = NULL;
10213 currentMove = forwardMostMove = backwardMostMove = 0;
10216 yyboardindex = forwardMostMove;
10217 cm = (ChessMove) yylex();
10220 if (first.pr == NoProc) {
10221 StartChessProgram(&first);
10223 InitChessProgram(&first, FALSE);
10224 SendToProgram("force\n", &first);
10225 if (startedFromSetupPosition) {
10226 SendBoard(&first, forwardMostMove);
10227 if (appData.debugMode) {
10228 fprintf(debugFP, "Load Game\n");
10230 DisplayBothClocks();
10233 /* [HGM] server: flag to write setup moves in broadcast file as one */
10234 loadFlag = appData.suppressLoadMoves;
10236 while (cm == Comment) {
10238 if (appData.debugMode)
10239 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10241 AppendComment(currentMove, p, FALSE);
10242 yyboardindex = forwardMostMove;
10243 cm = (ChessMove) yylex();
10246 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10247 cm == WhiteWins || cm == BlackWins ||
10248 cm == GameIsDrawn || cm == GameUnfinished) {
10249 DisplayMessage("", _("No moves in game"));
10250 if (cmailMsgLoaded) {
10251 if (appData.debugMode)
10252 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10256 DrawPosition(FALSE, boards[currentMove]);
10257 DisplayBothClocks();
10258 gameMode = EditGame;
10265 // [HGM] PV info: routine tests if comment empty
10266 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10267 DisplayComment(currentMove - 1, commentList[currentMove]);
10269 if (!matchMode && appData.timeDelay != 0)
10270 DrawPosition(FALSE, boards[currentMove]);
10272 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10273 programStats.ok_to_send = 1;
10276 /* if the first token after the PGN tags is a move
10277 * and not move number 1, retrieve it from the parser
10279 if (cm != MoveNumberOne)
10280 LoadGameOneMove(cm);
10282 /* load the remaining moves from the file */
10283 while (LoadGameOneMove((ChessMove)0)) {
10284 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10285 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10288 /* rewind to the start of the game */
10289 currentMove = backwardMostMove;
10291 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10293 if (oldGameMode == AnalyzeFile ||
10294 oldGameMode == AnalyzeMode) {
10295 AnalyzeFileEvent();
10298 if (matchMode || appData.timeDelay == 0) {
10300 gameMode = EditGame;
10302 } else if (appData.timeDelay > 0) {
10303 AutoPlayGameLoop();
10306 if (appData.debugMode)
10307 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10309 loadFlag = 0; /* [HGM] true game starts */
10313 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10315 ReloadPosition(offset)
10318 int positionNumber = lastLoadPositionNumber + offset;
10319 if (lastLoadPositionFP == NULL) {
10320 DisplayError(_("No position has been loaded yet"), 0);
10323 if (positionNumber <= 0) {
10324 DisplayError(_("Can't back up any further"), 0);
10327 return LoadPosition(lastLoadPositionFP, positionNumber,
10328 lastLoadPositionTitle);
10331 /* Load the nth position from the given file */
10333 LoadPositionFromFile(filename, n, title)
10341 if (strcmp(filename, "-") == 0) {
10342 return LoadPosition(stdin, n, "stdin");
10344 f = fopen(filename, "rb");
10346 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10347 DisplayError(buf, errno);
10350 return LoadPosition(f, n, title);
10355 /* Load the nth position from the given open file, and close it */
10357 LoadPosition(f, positionNumber, title)
10359 int positionNumber;
10362 char *p, line[MSG_SIZ];
10363 Board initial_position;
10364 int i, j, fenMode, pn;
10366 if (gameMode == Training )
10367 SetTrainingModeOff();
10369 if (gameMode != BeginningOfGame) {
10370 Reset(FALSE, TRUE);
10372 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10373 fclose(lastLoadPositionFP);
10375 if (positionNumber == 0) positionNumber = 1;
10376 lastLoadPositionFP = f;
10377 lastLoadPositionNumber = positionNumber;
10378 strcpy(lastLoadPositionTitle, title);
10379 if (first.pr == NoProc) {
10380 StartChessProgram(&first);
10381 InitChessProgram(&first, FALSE);
10383 pn = positionNumber;
10384 if (positionNumber < 0) {
10385 /* Negative position number means to seek to that byte offset */
10386 if (fseek(f, -positionNumber, 0) == -1) {
10387 DisplayError(_("Can't seek on position file"), 0);
10392 if (fseek(f, 0, 0) == -1) {
10393 if (f == lastLoadPositionFP ?
10394 positionNumber == lastLoadPositionNumber + 1 :
10395 positionNumber == 1) {
10398 DisplayError(_("Can't seek on position file"), 0);
10403 /* See if this file is FEN or old-style xboard */
10404 if (fgets(line, MSG_SIZ, f) == NULL) {
10405 DisplayError(_("Position not found in file"), 0);
10408 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10409 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10412 if (fenMode || line[0] == '#') pn--;
10414 /* skip positions before number pn */
10415 if (fgets(line, MSG_SIZ, f) == NULL) {
10417 DisplayError(_("Position not found in file"), 0);
10420 if (fenMode || line[0] == '#') pn--;
10425 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10426 DisplayError(_("Bad FEN position in file"), 0);
10430 (void) fgets(line, MSG_SIZ, f);
10431 (void) fgets(line, MSG_SIZ, f);
10433 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10434 (void) fgets(line, MSG_SIZ, f);
10435 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10438 initial_position[i][j++] = CharToPiece(*p);
10442 blackPlaysFirst = FALSE;
10444 (void) fgets(line, MSG_SIZ, f);
10445 if (strncmp(line, "black", strlen("black"))==0)
10446 blackPlaysFirst = TRUE;
10449 startedFromSetupPosition = TRUE;
10451 SendToProgram("force\n", &first);
10452 CopyBoard(boards[0], initial_position);
10453 if (blackPlaysFirst) {
10454 currentMove = forwardMostMove = backwardMostMove = 1;
10455 strcpy(moveList[0], "");
10456 strcpy(parseList[0], "");
10457 CopyBoard(boards[1], initial_position);
10458 DisplayMessage("", _("Black to play"));
10460 currentMove = forwardMostMove = backwardMostMove = 0;
10461 DisplayMessage("", _("White to play"));
10463 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10464 SendBoard(&first, forwardMostMove);
10465 if (appData.debugMode) {
10467 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10468 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10469 fprintf(debugFP, "Load Position\n");
10472 if (positionNumber > 1) {
10473 sprintf(line, "%s %d", title, positionNumber);
10474 DisplayTitle(line);
10476 DisplayTitle(title);
10478 gameMode = EditGame;
10481 timeRemaining[0][1] = whiteTimeRemaining;
10482 timeRemaining[1][1] = blackTimeRemaining;
10483 DrawPosition(FALSE, boards[currentMove]);
10490 CopyPlayerNameIntoFileName(dest, src)
10493 while (*src != NULLCHAR && *src != ',') {
10498 *(*dest)++ = *src++;
10503 char *DefaultFileName(ext)
10506 static char def[MSG_SIZ];
10509 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10511 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10513 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10522 /* Save the current game to the given file */
10524 SaveGameToFile(filename, append)
10531 if (strcmp(filename, "-") == 0) {
10532 return SaveGame(stdout, 0, NULL);
10534 f = fopen(filename, append ? "a" : "w");
10536 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10537 DisplayError(buf, errno);
10540 return SaveGame(f, 0, NULL);
10549 static char buf[MSG_SIZ];
10552 p = strchr(str, ' ');
10553 if (p == NULL) return str;
10554 strncpy(buf, str, p - str);
10555 buf[p - str] = NULLCHAR;
10559 #define PGN_MAX_LINE 75
10561 #define PGN_SIDE_WHITE 0
10562 #define PGN_SIDE_BLACK 1
10565 static int FindFirstMoveOutOfBook( int side )
10569 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10570 int index = backwardMostMove;
10571 int has_book_hit = 0;
10573 if( (index % 2) != side ) {
10577 while( index < forwardMostMove ) {
10578 /* Check to see if engine is in book */
10579 int depth = pvInfoList[index].depth;
10580 int score = pvInfoList[index].score;
10586 else if( score == 0 && depth == 63 ) {
10587 in_book = 1; /* Zappa */
10589 else if( score == 2 && depth == 99 ) {
10590 in_book = 1; /* Abrok */
10593 has_book_hit += in_book;
10609 void GetOutOfBookInfo( char * buf )
10613 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10615 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10616 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10620 if( oob[0] >= 0 || oob[1] >= 0 ) {
10621 for( i=0; i<2; i++ ) {
10625 if( i > 0 && oob[0] >= 0 ) {
10626 strcat( buf, " " );
10629 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10630 sprintf( buf+strlen(buf), "%s%.2f",
10631 pvInfoList[idx].score >= 0 ? "+" : "",
10632 pvInfoList[idx].score / 100.0 );
10638 /* Save game in PGN style and close the file */
10643 int i, offset, linelen, newblock;
10647 int movelen, numlen, blank;
10648 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10650 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10652 tm = time((time_t *) NULL);
10654 PrintPGNTags(f, &gameInfo);
10656 if (backwardMostMove > 0 || startedFromSetupPosition) {
10657 char *fen = PositionToFEN(backwardMostMove, NULL);
10658 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10659 fprintf(f, "\n{--------------\n");
10660 PrintPosition(f, backwardMostMove);
10661 fprintf(f, "--------------}\n");
10665 /* [AS] Out of book annotation */
10666 if( appData.saveOutOfBookInfo ) {
10669 GetOutOfBookInfo( buf );
10671 if( buf[0] != '\0' ) {
10672 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10679 i = backwardMostMove;
10683 while (i < forwardMostMove) {
10684 /* Print comments preceding this move */
10685 if (commentList[i] != NULL) {
10686 if (linelen > 0) fprintf(f, "\n");
10687 fprintf(f, "%s", commentList[i]);
10692 /* Format move number */
10693 if ((i % 2) == 0) {
10694 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10697 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10699 numtext[0] = NULLCHAR;
10702 numlen = strlen(numtext);
10705 /* Print move number */
10706 blank = linelen > 0 && numlen > 0;
10707 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10716 fprintf(f, "%s", numtext);
10720 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10721 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10724 blank = linelen > 0 && movelen > 0;
10725 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10734 fprintf(f, "%s", move_buffer);
10735 linelen += movelen;
10737 /* [AS] Add PV info if present */
10738 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10739 /* [HGM] add time */
10740 char buf[MSG_SIZ]; int seconds;
10742 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10744 if( seconds <= 0) buf[0] = 0; else
10745 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10746 seconds = (seconds + 4)/10; // round to full seconds
10747 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10748 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10751 sprintf( move_buffer, "{%s%.2f/%d%s}",
10752 pvInfoList[i].score >= 0 ? "+" : "",
10753 pvInfoList[i].score / 100.0,
10754 pvInfoList[i].depth,
10757 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10759 /* Print score/depth */
10760 blank = linelen > 0 && movelen > 0;
10761 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10770 fprintf(f, "%s", move_buffer);
10771 linelen += movelen;
10777 /* Start a new line */
10778 if (linelen > 0) fprintf(f, "\n");
10780 /* Print comments after last move */
10781 if (commentList[i] != NULL) {
10782 fprintf(f, "%s\n", commentList[i]);
10786 if (gameInfo.resultDetails != NULL &&
10787 gameInfo.resultDetails[0] != NULLCHAR) {
10788 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10789 PGNResult(gameInfo.result));
10791 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10795 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10799 /* Save game in old style and close the file */
10801 SaveGameOldStyle(f)
10807 tm = time((time_t *) NULL);
10809 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10812 if (backwardMostMove > 0 || startedFromSetupPosition) {
10813 fprintf(f, "\n[--------------\n");
10814 PrintPosition(f, backwardMostMove);
10815 fprintf(f, "--------------]\n");
10820 i = backwardMostMove;
10821 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10823 while (i < forwardMostMove) {
10824 if (commentList[i] != NULL) {
10825 fprintf(f, "[%s]\n", commentList[i]);
10828 if ((i % 2) == 1) {
10829 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10832 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10834 if (commentList[i] != NULL) {
10838 if (i >= forwardMostMove) {
10842 fprintf(f, "%s\n", parseList[i]);
10847 if (commentList[i] != NULL) {
10848 fprintf(f, "[%s]\n", commentList[i]);
10851 /* This isn't really the old style, but it's close enough */
10852 if (gameInfo.resultDetails != NULL &&
10853 gameInfo.resultDetails[0] != NULLCHAR) {
10854 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10855 gameInfo.resultDetails);
10857 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10864 /* Save the current game to open file f and close the file */
10866 SaveGame(f, dummy, dummy2)
10871 if (gameMode == EditPosition) EditPositionDone(TRUE);
10872 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10873 if (appData.oldSaveStyle)
10874 return SaveGameOldStyle(f);
10876 return SaveGamePGN(f);
10879 /* Save the current position to the given file */
10881 SavePositionToFile(filename)
10887 if (strcmp(filename, "-") == 0) {
10888 return SavePosition(stdout, 0, NULL);
10890 f = fopen(filename, "a");
10892 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10893 DisplayError(buf, errno);
10896 SavePosition(f, 0, NULL);
10902 /* Save the current position to the given open file and close the file */
10904 SavePosition(f, dummy, dummy2)
10912 if (gameMode == EditPosition) EditPositionDone(TRUE);
10913 if (appData.oldSaveStyle) {
10914 tm = time((time_t *) NULL);
10916 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10918 fprintf(f, "[--------------\n");
10919 PrintPosition(f, currentMove);
10920 fprintf(f, "--------------]\n");
10922 fen = PositionToFEN(currentMove, NULL);
10923 fprintf(f, "%s\n", fen);
10931 ReloadCmailMsgEvent(unregister)
10935 static char *inFilename = NULL;
10936 static char *outFilename;
10938 struct stat inbuf, outbuf;
10941 /* Any registered moves are unregistered if unregister is set, */
10942 /* i.e. invoked by the signal handler */
10944 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10945 cmailMoveRegistered[i] = FALSE;
10946 if (cmailCommentList[i] != NULL) {
10947 free(cmailCommentList[i]);
10948 cmailCommentList[i] = NULL;
10951 nCmailMovesRegistered = 0;
10954 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10955 cmailResult[i] = CMAIL_NOT_RESULT;
10959 if (inFilename == NULL) {
10960 /* Because the filenames are static they only get malloced once */
10961 /* and they never get freed */
10962 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10963 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10965 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10966 sprintf(outFilename, "%s.out", appData.cmailGameName);
10969 status = stat(outFilename, &outbuf);
10971 cmailMailedMove = FALSE;
10973 status = stat(inFilename, &inbuf);
10974 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10977 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10978 counts the games, notes how each one terminated, etc.
10980 It would be nice to remove this kludge and instead gather all
10981 the information while building the game list. (And to keep it
10982 in the game list nodes instead of having a bunch of fixed-size
10983 parallel arrays.) Note this will require getting each game's
10984 termination from the PGN tags, as the game list builder does
10985 not process the game moves. --mann
10987 cmailMsgLoaded = TRUE;
10988 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10990 /* Load first game in the file or popup game menu */
10991 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10993 #endif /* !WIN32 */
11001 char string[MSG_SIZ];
11003 if ( cmailMailedMove
11004 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11005 return TRUE; /* Allow free viewing */
11008 /* Unregister move to ensure that we don't leave RegisterMove */
11009 /* with the move registered when the conditions for registering no */
11011 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11012 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11013 nCmailMovesRegistered --;
11015 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11017 free(cmailCommentList[lastLoadGameNumber - 1]);
11018 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11022 if (cmailOldMove == -1) {
11023 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11027 if (currentMove > cmailOldMove + 1) {
11028 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11032 if (currentMove < cmailOldMove) {
11033 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11037 if (forwardMostMove > currentMove) {
11038 /* Silently truncate extra moves */
11042 if ( (currentMove == cmailOldMove + 1)
11043 || ( (currentMove == cmailOldMove)
11044 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11045 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11046 if (gameInfo.result != GameUnfinished) {
11047 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11050 if (commentList[currentMove] != NULL) {
11051 cmailCommentList[lastLoadGameNumber - 1]
11052 = StrSave(commentList[currentMove]);
11054 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
11056 if (appData.debugMode)
11057 fprintf(debugFP, "Saving %s for game %d\n",
11058 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11061 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11063 f = fopen(string, "w");
11064 if (appData.oldSaveStyle) {
11065 SaveGameOldStyle(f); /* also closes the file */
11067 sprintf(string, "%s.pos.out", appData.cmailGameName);
11068 f = fopen(string, "w");
11069 SavePosition(f, 0, NULL); /* also closes the file */
11071 fprintf(f, "{--------------\n");
11072 PrintPosition(f, currentMove);
11073 fprintf(f, "--------------}\n\n");
11075 SaveGame(f, 0, NULL); /* also closes the file*/
11078 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11079 nCmailMovesRegistered ++;
11080 } else if (nCmailGames == 1) {
11081 DisplayError(_("You have not made a move yet"), 0);
11092 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11093 FILE *commandOutput;
11094 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11095 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11101 if (! cmailMsgLoaded) {
11102 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11106 if (nCmailGames == nCmailResults) {
11107 DisplayError(_("No unfinished games"), 0);
11111 #if CMAIL_PROHIBIT_REMAIL
11112 if (cmailMailedMove) {
11113 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);
11114 DisplayError(msg, 0);
11119 if (! (cmailMailedMove || RegisterMove())) return;
11121 if ( cmailMailedMove
11122 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11123 sprintf(string, partCommandString,
11124 appData.debugMode ? " -v" : "", appData.cmailGameName);
11125 commandOutput = popen(string, "r");
11127 if (commandOutput == NULL) {
11128 DisplayError(_("Failed to invoke cmail"), 0);
11130 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11131 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11133 if (nBuffers > 1) {
11134 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11135 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11136 nBytes = MSG_SIZ - 1;
11138 (void) memcpy(msg, buffer, nBytes);
11140 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11142 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11143 cmailMailedMove = TRUE; /* Prevent >1 moves */
11146 for (i = 0; i < nCmailGames; i ++) {
11147 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11152 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11154 sprintf(buffer, "%s/%s.%s.archive",
11156 appData.cmailGameName,
11158 LoadGameFromFile(buffer, 1, buffer, FALSE);
11159 cmailMsgLoaded = FALSE;
11163 DisplayInformation(msg);
11164 pclose(commandOutput);
11167 if ((*cmailMsg) != '\0') {
11168 DisplayInformation(cmailMsg);
11173 #endif /* !WIN32 */
11182 int prependComma = 0;
11184 char string[MSG_SIZ]; /* Space for game-list */
11187 if (!cmailMsgLoaded) return "";
11189 if (cmailMailedMove) {
11190 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11192 /* Create a list of games left */
11193 sprintf(string, "[");
11194 for (i = 0; i < nCmailGames; i ++) {
11195 if (! ( cmailMoveRegistered[i]
11196 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11197 if (prependComma) {
11198 sprintf(number, ",%d", i + 1);
11200 sprintf(number, "%d", i + 1);
11204 strcat(string, number);
11207 strcat(string, "]");
11209 if (nCmailMovesRegistered + nCmailResults == 0) {
11210 switch (nCmailGames) {
11213 _("Still need to make move for game\n"));
11218 _("Still need to make moves for both games\n"));
11223 _("Still need to make moves for all %d games\n"),
11228 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11231 _("Still need to make a move for game %s\n"),
11236 if (nCmailResults == nCmailGames) {
11237 sprintf(cmailMsg, _("No unfinished games\n"));
11239 sprintf(cmailMsg, _("Ready to send mail\n"));
11245 _("Still need to make moves for games %s\n"),
11257 if (gameMode == Training)
11258 SetTrainingModeOff();
11261 cmailMsgLoaded = FALSE;
11262 if (appData.icsActive) {
11263 SendToICS(ics_prefix);
11264 SendToICS("refresh\n");
11274 /* Give up on clean exit */
11278 /* Keep trying for clean exit */
11282 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11284 if (telnetISR != NULL) {
11285 RemoveInputSource(telnetISR);
11287 if (icsPR != NoProc) {
11288 DestroyChildProcess(icsPR, TRUE);
11291 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11292 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11294 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11295 /* make sure this other one finishes before killing it! */
11296 if(endingGame) { int count = 0;
11297 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11298 while(endingGame && count++ < 10) DoSleep(1);
11299 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11302 /* Kill off chess programs */
11303 if (first.pr != NoProc) {
11306 DoSleep( appData.delayBeforeQuit );
11307 SendToProgram("quit\n", &first);
11308 DoSleep( appData.delayAfterQuit );
11309 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11311 if (second.pr != NoProc) {
11312 DoSleep( appData.delayBeforeQuit );
11313 SendToProgram("quit\n", &second);
11314 DoSleep( appData.delayAfterQuit );
11315 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11317 if (first.isr != NULL) {
11318 RemoveInputSource(first.isr);
11320 if (second.isr != NULL) {
11321 RemoveInputSource(second.isr);
11324 ShutDownFrontEnd();
11331 if (appData.debugMode)
11332 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11336 if (gameMode == MachinePlaysWhite ||
11337 gameMode == MachinePlaysBlack) {
11340 DisplayBothClocks();
11342 if (gameMode == PlayFromGameFile) {
11343 if (appData.timeDelay >= 0)
11344 AutoPlayGameLoop();
11345 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11346 Reset(FALSE, TRUE);
11347 SendToICS(ics_prefix);
11348 SendToICS("refresh\n");
11349 } else if (currentMove < forwardMostMove) {
11350 ForwardInner(forwardMostMove);
11352 pauseExamInvalid = FALSE;
11354 switch (gameMode) {
11358 pauseExamForwardMostMove = forwardMostMove;
11359 pauseExamInvalid = FALSE;
11362 case IcsPlayingWhite:
11363 case IcsPlayingBlack:
11367 case PlayFromGameFile:
11368 (void) StopLoadGameTimer();
11372 case BeginningOfGame:
11373 if (appData.icsActive) return;
11374 /* else fall through */
11375 case MachinePlaysWhite:
11376 case MachinePlaysBlack:
11377 case TwoMachinesPlay:
11378 if (forwardMostMove == 0)
11379 return; /* don't pause if no one has moved */
11380 if ((gameMode == MachinePlaysWhite &&
11381 !WhiteOnMove(forwardMostMove)) ||
11382 (gameMode == MachinePlaysBlack &&
11383 WhiteOnMove(forwardMostMove))) {
11396 char title[MSG_SIZ];
11398 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11399 strcpy(title, _("Edit comment"));
11401 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11402 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11403 parseList[currentMove - 1]);
11406 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11413 char *tags = PGNTags(&gameInfo);
11414 EditTagsPopUp(tags);
11421 if (appData.noChessProgram || gameMode == AnalyzeMode)
11424 if (gameMode != AnalyzeFile) {
11425 if (!appData.icsEngineAnalyze) {
11427 if (gameMode != EditGame) return;
11429 ResurrectChessProgram();
11430 SendToProgram("analyze\n", &first);
11431 first.analyzing = TRUE;
11432 /*first.maybeThinking = TRUE;*/
11433 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11434 EngineOutputPopUp();
11436 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11441 StartAnalysisClock();
11442 GetTimeMark(&lastNodeCountTime);
11449 if (appData.noChessProgram || gameMode == AnalyzeFile)
11452 if (gameMode != AnalyzeMode) {
11454 if (gameMode != EditGame) return;
11455 ResurrectChessProgram();
11456 SendToProgram("analyze\n", &first);
11457 first.analyzing = TRUE;
11458 /*first.maybeThinking = TRUE;*/
11459 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11460 EngineOutputPopUp();
11462 gameMode = AnalyzeFile;
11467 StartAnalysisClock();
11468 GetTimeMark(&lastNodeCountTime);
11473 MachineWhiteEvent()
11476 char *bookHit = NULL;
11478 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11482 if (gameMode == PlayFromGameFile ||
11483 gameMode == TwoMachinesPlay ||
11484 gameMode == Training ||
11485 gameMode == AnalyzeMode ||
11486 gameMode == EndOfGame)
11489 if (gameMode == EditPosition)
11490 EditPositionDone(TRUE);
11492 if (!WhiteOnMove(currentMove)) {
11493 DisplayError(_("It is not White's turn"), 0);
11497 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11500 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11501 gameMode == AnalyzeFile)
11504 ResurrectChessProgram(); /* in case it isn't running */
11505 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11506 gameMode = MachinePlaysWhite;
11509 gameMode = MachinePlaysWhite;
11513 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11515 if (first.sendName) {
11516 sprintf(buf, "name %s\n", gameInfo.black);
11517 SendToProgram(buf, &first);
11519 if (first.sendTime) {
11520 if (first.useColors) {
11521 SendToProgram("black\n", &first); /*gnu kludge*/
11523 SendTimeRemaining(&first, TRUE);
11525 if (first.useColors) {
11526 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11528 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11529 SetMachineThinkingEnables();
11530 first.maybeThinking = TRUE;
11534 if (appData.autoFlipView && !flipView) {
11535 flipView = !flipView;
11536 DrawPosition(FALSE, NULL);
11537 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11540 if(bookHit) { // [HGM] book: simulate book reply
11541 static char bookMove[MSG_SIZ]; // a bit generous?
11543 programStats.nodes = programStats.depth = programStats.time =
11544 programStats.score = programStats.got_only_move = 0;
11545 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11547 strcpy(bookMove, "move ");
11548 strcat(bookMove, bookHit);
11549 HandleMachineMove(bookMove, &first);
11554 MachineBlackEvent()
11557 char *bookHit = NULL;
11559 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11563 if (gameMode == PlayFromGameFile ||
11564 gameMode == TwoMachinesPlay ||
11565 gameMode == Training ||
11566 gameMode == AnalyzeMode ||
11567 gameMode == EndOfGame)
11570 if (gameMode == EditPosition)
11571 EditPositionDone(TRUE);
11573 if (WhiteOnMove(currentMove)) {
11574 DisplayError(_("It is not Black's turn"), 0);
11578 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11581 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11582 gameMode == AnalyzeFile)
11585 ResurrectChessProgram(); /* in case it isn't running */
11586 gameMode = MachinePlaysBlack;
11590 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11592 if (first.sendName) {
11593 sprintf(buf, "name %s\n", gameInfo.white);
11594 SendToProgram(buf, &first);
11596 if (first.sendTime) {
11597 if (first.useColors) {
11598 SendToProgram("white\n", &first); /*gnu kludge*/
11600 SendTimeRemaining(&first, FALSE);
11602 if (first.useColors) {
11603 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11605 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11606 SetMachineThinkingEnables();
11607 first.maybeThinking = TRUE;
11610 if (appData.autoFlipView && flipView) {
11611 flipView = !flipView;
11612 DrawPosition(FALSE, NULL);
11613 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11615 if(bookHit) { // [HGM] book: simulate book reply
11616 static char bookMove[MSG_SIZ]; // a bit generous?
11618 programStats.nodes = programStats.depth = programStats.time =
11619 programStats.score = programStats.got_only_move = 0;
11620 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11622 strcpy(bookMove, "move ");
11623 strcat(bookMove, bookHit);
11624 HandleMachineMove(bookMove, &first);
11630 DisplayTwoMachinesTitle()
11633 if (appData.matchGames > 0) {
11634 if (first.twoMachinesColor[0] == 'w') {
11635 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11636 gameInfo.white, gameInfo.black,
11637 first.matchWins, second.matchWins,
11638 matchGame - 1 - (first.matchWins + second.matchWins));
11640 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11641 gameInfo.white, gameInfo.black,
11642 second.matchWins, first.matchWins,
11643 matchGame - 1 - (first.matchWins + second.matchWins));
11646 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11652 TwoMachinesEvent P((void))
11656 ChessProgramState *onmove;
11657 char *bookHit = NULL;
11659 if (appData.noChessProgram) return;
11661 switch (gameMode) {
11662 case TwoMachinesPlay:
11664 case MachinePlaysWhite:
11665 case MachinePlaysBlack:
11666 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11667 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11671 case BeginningOfGame:
11672 case PlayFromGameFile:
11675 if (gameMode != EditGame) return;
11678 EditPositionDone(TRUE);
11689 // forwardMostMove = currentMove;
11690 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11691 ResurrectChessProgram(); /* in case first program isn't running */
11693 if (second.pr == NULL) {
11694 StartChessProgram(&second);
11695 if (second.protocolVersion == 1) {
11696 TwoMachinesEventIfReady();
11698 /* kludge: allow timeout for initial "feature" command */
11700 DisplayMessage("", _("Starting second chess program"));
11701 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11705 DisplayMessage("", "");
11706 InitChessProgram(&second, FALSE);
11707 SendToProgram("force\n", &second);
11708 if (startedFromSetupPosition) {
11709 SendBoard(&second, backwardMostMove);
11710 if (appData.debugMode) {
11711 fprintf(debugFP, "Two Machines\n");
11714 for (i = backwardMostMove; i < forwardMostMove; i++) {
11715 SendMoveToProgram(i, &second);
11718 gameMode = TwoMachinesPlay;
11722 DisplayTwoMachinesTitle();
11724 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11730 SendToProgram(first.computerString, &first);
11731 if (first.sendName) {
11732 sprintf(buf, "name %s\n", second.tidy);
11733 SendToProgram(buf, &first);
11735 SendToProgram(second.computerString, &second);
11736 if (second.sendName) {
11737 sprintf(buf, "name %s\n", first.tidy);
11738 SendToProgram(buf, &second);
11742 if (!first.sendTime || !second.sendTime) {
11743 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11744 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11746 if (onmove->sendTime) {
11747 if (onmove->useColors) {
11748 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11750 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11752 if (onmove->useColors) {
11753 SendToProgram(onmove->twoMachinesColor, onmove);
11755 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11756 // SendToProgram("go\n", onmove);
11757 onmove->maybeThinking = TRUE;
11758 SetMachineThinkingEnables();
11762 if(bookHit) { // [HGM] book: simulate book reply
11763 static char bookMove[MSG_SIZ]; // a bit generous?
11765 programStats.nodes = programStats.depth = programStats.time =
11766 programStats.score = programStats.got_only_move = 0;
11767 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11769 strcpy(bookMove, "move ");
11770 strcat(bookMove, bookHit);
11771 savedMessage = bookMove; // args for deferred call
11772 savedState = onmove;
11773 ScheduleDelayedEvent(DeferredBookMove, 1);
11780 if (gameMode == Training) {
11781 SetTrainingModeOff();
11782 gameMode = PlayFromGameFile;
11783 DisplayMessage("", _("Training mode off"));
11785 gameMode = Training;
11786 animateTraining = appData.animate;
11788 /* make sure we are not already at the end of the game */
11789 if (currentMove < forwardMostMove) {
11790 SetTrainingModeOn();
11791 DisplayMessage("", _("Training mode on"));
11793 gameMode = PlayFromGameFile;
11794 DisplayError(_("Already at end of game"), 0);
11803 if (!appData.icsActive) return;
11804 switch (gameMode) {
11805 case IcsPlayingWhite:
11806 case IcsPlayingBlack:
11809 case BeginningOfGame:
11817 EditPositionDone(TRUE);
11830 gameMode = IcsIdle;
11841 switch (gameMode) {
11843 SetTrainingModeOff();
11845 case MachinePlaysWhite:
11846 case MachinePlaysBlack:
11847 case BeginningOfGame:
11848 SendToProgram("force\n", &first);
11849 SetUserThinkingEnables();
11851 case PlayFromGameFile:
11852 (void) StopLoadGameTimer();
11853 if (gameFileFP != NULL) {
11858 EditPositionDone(TRUE);
11863 SendToProgram("force\n", &first);
11865 case TwoMachinesPlay:
11866 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11867 ResurrectChessProgram();
11868 SetUserThinkingEnables();
11871 ResurrectChessProgram();
11873 case IcsPlayingBlack:
11874 case IcsPlayingWhite:
11875 DisplayError(_("Warning: You are still playing a game"), 0);
11878 DisplayError(_("Warning: You are still observing a game"), 0);
11881 DisplayError(_("Warning: You are still examining a game"), 0);
11892 first.offeredDraw = second.offeredDraw = 0;
11894 if (gameMode == PlayFromGameFile) {
11895 whiteTimeRemaining = timeRemaining[0][currentMove];
11896 blackTimeRemaining = timeRemaining[1][currentMove];
11900 if (gameMode == MachinePlaysWhite ||
11901 gameMode == MachinePlaysBlack ||
11902 gameMode == TwoMachinesPlay ||
11903 gameMode == EndOfGame) {
11904 i = forwardMostMove;
11905 while (i > currentMove) {
11906 SendToProgram("undo\n", &first);
11909 whiteTimeRemaining = timeRemaining[0][currentMove];
11910 blackTimeRemaining = timeRemaining[1][currentMove];
11911 DisplayBothClocks();
11912 if (whiteFlag || blackFlag) {
11913 whiteFlag = blackFlag = 0;
11918 gameMode = EditGame;
11925 EditPositionEvent()
11927 if (gameMode == EditPosition) {
11933 if (gameMode != EditGame) return;
11935 gameMode = EditPosition;
11938 if (currentMove > 0)
11939 CopyBoard(boards[0], boards[currentMove]);
11941 blackPlaysFirst = !WhiteOnMove(currentMove);
11943 currentMove = forwardMostMove = backwardMostMove = 0;
11944 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11951 /* [DM] icsEngineAnalyze - possible call from other functions */
11952 if (appData.icsEngineAnalyze) {
11953 appData.icsEngineAnalyze = FALSE;
11955 DisplayMessage("",_("Close ICS engine analyze..."));
11957 if (first.analysisSupport && first.analyzing) {
11958 SendToProgram("exit\n", &first);
11959 first.analyzing = FALSE;
11961 thinkOutput[0] = NULLCHAR;
11965 EditPositionDone(Boolean fakeRights)
11967 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11969 startedFromSetupPosition = TRUE;
11970 InitChessProgram(&first, FALSE);
11971 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11972 boards[0][EP_STATUS] = EP_NONE;
11973 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11974 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11975 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11976 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11977 } else boards[0][CASTLING][2] = NoRights;
11978 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11979 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11980 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11981 } else boards[0][CASTLING][5] = NoRights;
11983 SendToProgram("force\n", &first);
11984 if (blackPlaysFirst) {
11985 strcpy(moveList[0], "");
11986 strcpy(parseList[0], "");
11987 currentMove = forwardMostMove = backwardMostMove = 1;
11988 CopyBoard(boards[1], boards[0]);
11990 currentMove = forwardMostMove = backwardMostMove = 0;
11992 SendBoard(&first, forwardMostMove);
11993 if (appData.debugMode) {
11994 fprintf(debugFP, "EditPosDone\n");
11997 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11998 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11999 gameMode = EditGame;
12001 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12002 ClearHighlights(); /* [AS] */
12005 /* Pause for `ms' milliseconds */
12006 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12016 } while (SubtractTimeMarks(&m2, &m1) < ms);
12019 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12021 SendMultiLineToICS(buf)
12024 char temp[MSG_SIZ+1], *p;
12031 strncpy(temp, buf, len);
12036 if (*p == '\n' || *p == '\r')
12041 strcat(temp, "\n");
12043 SendToPlayer(temp, strlen(temp));
12047 SetWhiteToPlayEvent()
12049 if (gameMode == EditPosition) {
12050 blackPlaysFirst = FALSE;
12051 DisplayBothClocks(); /* works because currentMove is 0 */
12052 } else if (gameMode == IcsExamining) {
12053 SendToICS(ics_prefix);
12054 SendToICS("tomove white\n");
12059 SetBlackToPlayEvent()
12061 if (gameMode == EditPosition) {
12062 blackPlaysFirst = TRUE;
12063 currentMove = 1; /* kludge */
12064 DisplayBothClocks();
12066 } else if (gameMode == IcsExamining) {
12067 SendToICS(ics_prefix);
12068 SendToICS("tomove black\n");
12073 EditPositionMenuEvent(selection, x, y)
12074 ChessSquare selection;
12078 ChessSquare piece = boards[0][y][x];
12080 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12082 switch (selection) {
12084 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12085 SendToICS(ics_prefix);
12086 SendToICS("bsetup clear\n");
12087 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12088 SendToICS(ics_prefix);
12089 SendToICS("clearboard\n");
12091 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12092 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12093 for (y = 0; y < BOARD_HEIGHT; y++) {
12094 if (gameMode == IcsExamining) {
12095 if (boards[currentMove][y][x] != EmptySquare) {
12096 sprintf(buf, "%sx@%c%c\n", ics_prefix,
12101 boards[0][y][x] = p;
12106 if (gameMode == EditPosition) {
12107 DrawPosition(FALSE, boards[0]);
12112 SetWhiteToPlayEvent();
12116 SetBlackToPlayEvent();
12120 if (gameMode == IcsExamining) {
12121 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12122 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12125 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12126 if(x == BOARD_LEFT-2) {
12127 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12128 boards[0][y][1] = 0;
12130 if(x == BOARD_RGHT+1) {
12131 if(y >= gameInfo.holdingsSize) break;
12132 boards[0][y][BOARD_WIDTH-2] = 0;
12135 boards[0][y][x] = EmptySquare;
12136 DrawPosition(FALSE, boards[0]);
12141 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12142 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12143 selection = (ChessSquare) (PROMOTED piece);
12144 } else if(piece == EmptySquare) selection = WhiteSilver;
12145 else selection = (ChessSquare)((int)piece - 1);
12149 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12150 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12151 selection = (ChessSquare) (DEMOTED piece);
12152 } else if(piece == EmptySquare) selection = BlackSilver;
12153 else selection = (ChessSquare)((int)piece + 1);
12158 if(gameInfo.variant == VariantShatranj ||
12159 gameInfo.variant == VariantXiangqi ||
12160 gameInfo.variant == VariantCourier ||
12161 gameInfo.variant == VariantMakruk )
12162 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12167 if(gameInfo.variant == VariantXiangqi)
12168 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12169 if(gameInfo.variant == VariantKnightmate)
12170 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12173 if (gameMode == IcsExamining) {
12174 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12175 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12176 PieceToChar(selection), AAA + x, ONE + y);
12179 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12181 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12182 n = PieceToNumber(selection - BlackPawn);
12183 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12184 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12185 boards[0][BOARD_HEIGHT-1-n][1]++;
12187 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12188 n = PieceToNumber(selection);
12189 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12190 boards[0][n][BOARD_WIDTH-1] = selection;
12191 boards[0][n][BOARD_WIDTH-2]++;
12194 boards[0][y][x] = selection;
12195 DrawPosition(TRUE, boards[0]);
12203 DropMenuEvent(selection, x, y)
12204 ChessSquare selection;
12207 ChessMove moveType;
12209 switch (gameMode) {
12210 case IcsPlayingWhite:
12211 case MachinePlaysBlack:
12212 if (!WhiteOnMove(currentMove)) {
12213 DisplayMoveError(_("It is Black's turn"));
12216 moveType = WhiteDrop;
12218 case IcsPlayingBlack:
12219 case MachinePlaysWhite:
12220 if (WhiteOnMove(currentMove)) {
12221 DisplayMoveError(_("It is White's turn"));
12224 moveType = BlackDrop;
12227 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12233 if (moveType == BlackDrop && selection < BlackPawn) {
12234 selection = (ChessSquare) ((int) selection
12235 + (int) BlackPawn - (int) WhitePawn);
12237 if (boards[currentMove][y][x] != EmptySquare) {
12238 DisplayMoveError(_("That square is occupied"));
12242 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12248 /* Accept a pending offer of any kind from opponent */
12250 if (appData.icsActive) {
12251 SendToICS(ics_prefix);
12252 SendToICS("accept\n");
12253 } else if (cmailMsgLoaded) {
12254 if (currentMove == cmailOldMove &&
12255 commentList[cmailOldMove] != NULL &&
12256 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12257 "Black offers a draw" : "White offers a draw")) {
12259 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12260 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12262 DisplayError(_("There is no pending offer on this move"), 0);
12263 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12266 /* Not used for offers from chess program */
12273 /* Decline a pending offer of any kind from opponent */
12275 if (appData.icsActive) {
12276 SendToICS(ics_prefix);
12277 SendToICS("decline\n");
12278 } else if (cmailMsgLoaded) {
12279 if (currentMove == cmailOldMove &&
12280 commentList[cmailOldMove] != NULL &&
12281 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12282 "Black offers a draw" : "White offers a draw")) {
12284 AppendComment(cmailOldMove, "Draw declined", TRUE);
12285 DisplayComment(cmailOldMove - 1, "Draw declined");
12288 DisplayError(_("There is no pending offer on this move"), 0);
12291 /* Not used for offers from chess program */
12298 /* Issue ICS rematch command */
12299 if (appData.icsActive) {
12300 SendToICS(ics_prefix);
12301 SendToICS("rematch\n");
12308 /* Call your opponent's flag (claim a win on time) */
12309 if (appData.icsActive) {
12310 SendToICS(ics_prefix);
12311 SendToICS("flag\n");
12313 switch (gameMode) {
12316 case MachinePlaysWhite:
12319 GameEnds(GameIsDrawn, "Both players ran out of time",
12322 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12324 DisplayError(_("Your opponent is not out of time"), 0);
12327 case MachinePlaysBlack:
12330 GameEnds(GameIsDrawn, "Both players ran out of time",
12333 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12335 DisplayError(_("Your opponent is not out of time"), 0);
12345 /* Offer draw or accept pending draw offer from opponent */
12347 if (appData.icsActive) {
12348 /* Note: tournament rules require draw offers to be
12349 made after you make your move but before you punch
12350 your clock. Currently ICS doesn't let you do that;
12351 instead, you immediately punch your clock after making
12352 a move, but you can offer a draw at any time. */
12354 SendToICS(ics_prefix);
12355 SendToICS("draw\n");
12356 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12357 } else if (cmailMsgLoaded) {
12358 if (currentMove == cmailOldMove &&
12359 commentList[cmailOldMove] != NULL &&
12360 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12361 "Black offers a draw" : "White offers a draw")) {
12362 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12363 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12364 } else if (currentMove == cmailOldMove + 1) {
12365 char *offer = WhiteOnMove(cmailOldMove) ?
12366 "White offers a draw" : "Black offers a draw";
12367 AppendComment(currentMove, offer, TRUE);
12368 DisplayComment(currentMove - 1, offer);
12369 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12371 DisplayError(_("You must make your move before offering a draw"), 0);
12372 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12374 } else if (first.offeredDraw) {
12375 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12377 if (first.sendDrawOffers) {
12378 SendToProgram("draw\n", &first);
12379 userOfferedDraw = TRUE;
12387 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12389 if (appData.icsActive) {
12390 SendToICS(ics_prefix);
12391 SendToICS("adjourn\n");
12393 /* Currently GNU Chess doesn't offer or accept Adjourns */
12401 /* Offer Abort or accept pending Abort offer from opponent */
12403 if (appData.icsActive) {
12404 SendToICS(ics_prefix);
12405 SendToICS("abort\n");
12407 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12414 /* Resign. You can do this even if it's not your turn. */
12416 if (appData.icsActive) {
12417 SendToICS(ics_prefix);
12418 SendToICS("resign\n");
12420 switch (gameMode) {
12421 case MachinePlaysWhite:
12422 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12424 case MachinePlaysBlack:
12425 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12428 if (cmailMsgLoaded) {
12430 if (WhiteOnMove(cmailOldMove)) {
12431 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12433 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12435 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12446 StopObservingEvent()
12448 /* Stop observing current games */
12449 SendToICS(ics_prefix);
12450 SendToICS("unobserve\n");
12454 StopExaminingEvent()
12456 /* Stop observing current game */
12457 SendToICS(ics_prefix);
12458 SendToICS("unexamine\n");
12462 ForwardInner(target)
12467 if (appData.debugMode)
12468 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12469 target, currentMove, forwardMostMove);
12471 if (gameMode == EditPosition)
12474 if (gameMode == PlayFromGameFile && !pausing)
12477 if (gameMode == IcsExamining && pausing)
12478 limit = pauseExamForwardMostMove;
12480 limit = forwardMostMove;
12482 if (target > limit) target = limit;
12484 if (target > 0 && moveList[target - 1][0]) {
12485 int fromX, fromY, toX, toY;
12486 toX = moveList[target - 1][2] - AAA;
12487 toY = moveList[target - 1][3] - ONE;
12488 if (moveList[target - 1][1] == '@') {
12489 if (appData.highlightLastMove) {
12490 SetHighlights(-1, -1, toX, toY);
12493 fromX = moveList[target - 1][0] - AAA;
12494 fromY = moveList[target - 1][1] - ONE;
12495 if (target == currentMove + 1) {
12496 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12498 if (appData.highlightLastMove) {
12499 SetHighlights(fromX, fromY, toX, toY);
12503 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12504 gameMode == Training || gameMode == PlayFromGameFile ||
12505 gameMode == AnalyzeFile) {
12506 while (currentMove < target) {
12507 SendMoveToProgram(currentMove++, &first);
12510 currentMove = target;
12513 if (gameMode == EditGame || gameMode == EndOfGame) {
12514 whiteTimeRemaining = timeRemaining[0][currentMove];
12515 blackTimeRemaining = timeRemaining[1][currentMove];
12517 DisplayBothClocks();
12518 DisplayMove(currentMove - 1);
12519 DrawPosition(FALSE, boards[currentMove]);
12520 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12521 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12522 DisplayComment(currentMove - 1, commentList[currentMove]);
12530 if (gameMode == IcsExamining && !pausing) {
12531 SendToICS(ics_prefix);
12532 SendToICS("forward\n");
12534 ForwardInner(currentMove + 1);
12541 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12542 /* to optimze, we temporarily turn off analysis mode while we feed
12543 * the remaining moves to the engine. Otherwise we get analysis output
12546 if (first.analysisSupport) {
12547 SendToProgram("exit\nforce\n", &first);
12548 first.analyzing = FALSE;
12552 if (gameMode == IcsExamining && !pausing) {
12553 SendToICS(ics_prefix);
12554 SendToICS("forward 999999\n");
12556 ForwardInner(forwardMostMove);
12559 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12560 /* we have fed all the moves, so reactivate analysis mode */
12561 SendToProgram("analyze\n", &first);
12562 first.analyzing = TRUE;
12563 /*first.maybeThinking = TRUE;*/
12564 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12569 BackwardInner(target)
12572 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12574 if (appData.debugMode)
12575 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12576 target, currentMove, forwardMostMove);
12578 if (gameMode == EditPosition) return;
12579 if (currentMove <= backwardMostMove) {
12581 DrawPosition(full_redraw, boards[currentMove]);
12584 if (gameMode == PlayFromGameFile && !pausing)
12587 if (moveList[target][0]) {
12588 int fromX, fromY, toX, toY;
12589 toX = moveList[target][2] - AAA;
12590 toY = moveList[target][3] - ONE;
12591 if (moveList[target][1] == '@') {
12592 if (appData.highlightLastMove) {
12593 SetHighlights(-1, -1, toX, toY);
12596 fromX = moveList[target][0] - AAA;
12597 fromY = moveList[target][1] - ONE;
12598 if (target == currentMove - 1) {
12599 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12601 if (appData.highlightLastMove) {
12602 SetHighlights(fromX, fromY, toX, toY);
12606 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12607 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12608 while (currentMove > target) {
12609 SendToProgram("undo\n", &first);
12613 currentMove = target;
12616 if (gameMode == EditGame || gameMode == EndOfGame) {
12617 whiteTimeRemaining = timeRemaining[0][currentMove];
12618 blackTimeRemaining = timeRemaining[1][currentMove];
12620 DisplayBothClocks();
12621 DisplayMove(currentMove - 1);
12622 DrawPosition(full_redraw, boards[currentMove]);
12623 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12624 // [HGM] PV info: routine tests if comment empty
12625 DisplayComment(currentMove - 1, commentList[currentMove]);
12631 if (gameMode == IcsExamining && !pausing) {
12632 SendToICS(ics_prefix);
12633 SendToICS("backward\n");
12635 BackwardInner(currentMove - 1);
12642 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12643 /* to optimize, we temporarily turn off analysis mode while we undo
12644 * all the moves. Otherwise we get analysis output after each undo.
12646 if (first.analysisSupport) {
12647 SendToProgram("exit\nforce\n", &first);
12648 first.analyzing = FALSE;
12652 if (gameMode == IcsExamining && !pausing) {
12653 SendToICS(ics_prefix);
12654 SendToICS("backward 999999\n");
12656 BackwardInner(backwardMostMove);
12659 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12660 /* we have fed all the moves, so reactivate analysis mode */
12661 SendToProgram("analyze\n", &first);
12662 first.analyzing = TRUE;
12663 /*first.maybeThinking = TRUE;*/
12664 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12671 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12672 if (to >= forwardMostMove) to = forwardMostMove;
12673 if (to <= backwardMostMove) to = backwardMostMove;
12674 if (to < currentMove) {
12682 RevertEvent(Boolean annotate)
12684 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12687 if (gameMode != IcsExamining) {
12688 DisplayError(_("You are not examining a game"), 0);
12692 DisplayError(_("You can't revert while pausing"), 0);
12695 SendToICS(ics_prefix);
12696 SendToICS("revert\n");
12702 switch (gameMode) {
12703 case MachinePlaysWhite:
12704 case MachinePlaysBlack:
12705 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12706 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12709 if (forwardMostMove < 2) return;
12710 currentMove = forwardMostMove = forwardMostMove - 2;
12711 whiteTimeRemaining = timeRemaining[0][currentMove];
12712 blackTimeRemaining = timeRemaining[1][currentMove];
12713 DisplayBothClocks();
12714 DisplayMove(currentMove - 1);
12715 ClearHighlights();/*!! could figure this out*/
12716 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12717 SendToProgram("remove\n", &first);
12718 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12721 case BeginningOfGame:
12725 case IcsPlayingWhite:
12726 case IcsPlayingBlack:
12727 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12728 SendToICS(ics_prefix);
12729 SendToICS("takeback 2\n");
12731 SendToICS(ics_prefix);
12732 SendToICS("takeback 1\n");
12741 ChessProgramState *cps;
12743 switch (gameMode) {
12744 case MachinePlaysWhite:
12745 if (!WhiteOnMove(forwardMostMove)) {
12746 DisplayError(_("It is your turn"), 0);
12751 case MachinePlaysBlack:
12752 if (WhiteOnMove(forwardMostMove)) {
12753 DisplayError(_("It is your turn"), 0);
12758 case TwoMachinesPlay:
12759 if (WhiteOnMove(forwardMostMove) ==
12760 (first.twoMachinesColor[0] == 'w')) {
12766 case BeginningOfGame:
12770 SendToProgram("?\n", cps);
12774 TruncateGameEvent()
12777 if (gameMode != EditGame) return;
12784 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12785 if (forwardMostMove > currentMove) {
12786 if (gameInfo.resultDetails != NULL) {
12787 free(gameInfo.resultDetails);
12788 gameInfo.resultDetails = NULL;
12789 gameInfo.result = GameUnfinished;
12791 forwardMostMove = currentMove;
12792 HistorySet(parseList, backwardMostMove, forwardMostMove,
12800 if (appData.noChessProgram) return;
12801 switch (gameMode) {
12802 case MachinePlaysWhite:
12803 if (WhiteOnMove(forwardMostMove)) {
12804 DisplayError(_("Wait until your turn"), 0);
12808 case BeginningOfGame:
12809 case MachinePlaysBlack:
12810 if (!WhiteOnMove(forwardMostMove)) {
12811 DisplayError(_("Wait until your turn"), 0);
12816 DisplayError(_("No hint available"), 0);
12819 SendToProgram("hint\n", &first);
12820 hintRequested = TRUE;
12826 if (appData.noChessProgram) return;
12827 switch (gameMode) {
12828 case MachinePlaysWhite:
12829 if (WhiteOnMove(forwardMostMove)) {
12830 DisplayError(_("Wait until your turn"), 0);
12834 case BeginningOfGame:
12835 case MachinePlaysBlack:
12836 if (!WhiteOnMove(forwardMostMove)) {
12837 DisplayError(_("Wait until your turn"), 0);
12842 EditPositionDone(TRUE);
12844 case TwoMachinesPlay:
12849 SendToProgram("bk\n", &first);
12850 bookOutput[0] = NULLCHAR;
12851 bookRequested = TRUE;
12857 char *tags = PGNTags(&gameInfo);
12858 TagsPopUp(tags, CmailMsg());
12862 /* end button procedures */
12865 PrintPosition(fp, move)
12871 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12872 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12873 char c = PieceToChar(boards[move][i][j]);
12874 fputc(c == 'x' ? '.' : c, fp);
12875 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12878 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12879 fprintf(fp, "white to play\n");
12881 fprintf(fp, "black to play\n");
12888 if (gameInfo.white != NULL) {
12889 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12895 /* Find last component of program's own name, using some heuristics */
12897 TidyProgramName(prog, host, buf)
12898 char *prog, *host, buf[MSG_SIZ];
12901 int local = (strcmp(host, "localhost") == 0);
12902 while (!local && (p = strchr(prog, ';')) != NULL) {
12904 while (*p == ' ') p++;
12907 if (*prog == '"' || *prog == '\'') {
12908 q = strchr(prog + 1, *prog);
12910 q = strchr(prog, ' ');
12912 if (q == NULL) q = prog + strlen(prog);
12914 while (p >= prog && *p != '/' && *p != '\\') p--;
12916 if(p == prog && *p == '"') p++;
12917 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12918 memcpy(buf, p, q - p);
12919 buf[q - p] = NULLCHAR;
12927 TimeControlTagValue()
12930 if (!appData.clockMode) {
12932 } else if (movesPerSession > 0) {
12933 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12934 } else if (timeIncrement == 0) {
12935 sprintf(buf, "%ld", timeControl/1000);
12937 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12939 return StrSave(buf);
12945 /* This routine is used only for certain modes */
12946 VariantClass v = gameInfo.variant;
12947 ChessMove r = GameUnfinished;
12950 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12951 r = gameInfo.result;
12952 p = gameInfo.resultDetails;
12953 gameInfo.resultDetails = NULL;
12955 ClearGameInfo(&gameInfo);
12956 gameInfo.variant = v;
12958 switch (gameMode) {
12959 case MachinePlaysWhite:
12960 gameInfo.event = StrSave( appData.pgnEventHeader );
12961 gameInfo.site = StrSave(HostName());
12962 gameInfo.date = PGNDate();
12963 gameInfo.round = StrSave("-");
12964 gameInfo.white = StrSave(first.tidy);
12965 gameInfo.black = StrSave(UserName());
12966 gameInfo.timeControl = TimeControlTagValue();
12969 case MachinePlaysBlack:
12970 gameInfo.event = StrSave( appData.pgnEventHeader );
12971 gameInfo.site = StrSave(HostName());
12972 gameInfo.date = PGNDate();
12973 gameInfo.round = StrSave("-");
12974 gameInfo.white = StrSave(UserName());
12975 gameInfo.black = StrSave(first.tidy);
12976 gameInfo.timeControl = TimeControlTagValue();
12979 case TwoMachinesPlay:
12980 gameInfo.event = StrSave( appData.pgnEventHeader );
12981 gameInfo.site = StrSave(HostName());
12982 gameInfo.date = PGNDate();
12983 if (matchGame > 0) {
12985 sprintf(buf, "%d", matchGame);
12986 gameInfo.round = StrSave(buf);
12988 gameInfo.round = StrSave("-");
12990 if (first.twoMachinesColor[0] == 'w') {
12991 gameInfo.white = StrSave(first.tidy);
12992 gameInfo.black = StrSave(second.tidy);
12994 gameInfo.white = StrSave(second.tidy);
12995 gameInfo.black = StrSave(first.tidy);
12997 gameInfo.timeControl = TimeControlTagValue();
13001 gameInfo.event = StrSave("Edited game");
13002 gameInfo.site = StrSave(HostName());
13003 gameInfo.date = PGNDate();
13004 gameInfo.round = StrSave("-");
13005 gameInfo.white = StrSave("-");
13006 gameInfo.black = StrSave("-");
13007 gameInfo.result = r;
13008 gameInfo.resultDetails = p;
13012 gameInfo.event = StrSave("Edited position");
13013 gameInfo.site = StrSave(HostName());
13014 gameInfo.date = PGNDate();
13015 gameInfo.round = StrSave("-");
13016 gameInfo.white = StrSave("-");
13017 gameInfo.black = StrSave("-");
13020 case IcsPlayingWhite:
13021 case IcsPlayingBlack:
13026 case PlayFromGameFile:
13027 gameInfo.event = StrSave("Game from non-PGN file");
13028 gameInfo.site = StrSave(HostName());
13029 gameInfo.date = PGNDate();
13030 gameInfo.round = StrSave("-");
13031 gameInfo.white = StrSave("?");
13032 gameInfo.black = StrSave("?");
13041 ReplaceComment(index, text)
13047 while (*text == '\n') text++;
13048 len = strlen(text);
13049 while (len > 0 && text[len - 1] == '\n') len--;
13051 if (commentList[index] != NULL)
13052 free(commentList[index]);
13055 commentList[index] = NULL;
13058 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13059 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13060 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13061 commentList[index] = (char *) malloc(len + 2);
13062 strncpy(commentList[index], text, len);
13063 commentList[index][len] = '\n';
13064 commentList[index][len + 1] = NULLCHAR;
13066 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13068 commentList[index] = (char *) malloc(len + 6);
13069 strcpy(commentList[index], "{\n");
13070 strncpy(commentList[index]+2, text, len);
13071 commentList[index][len+2] = NULLCHAR;
13072 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13073 strcat(commentList[index], "\n}\n");
13087 if (ch == '\r') continue;
13089 } while (ch != '\0');
13093 AppendComment(index, text, addBraces)
13096 Boolean addBraces; // [HGM] braces: tells if we should add {}
13101 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13102 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13105 while (*text == '\n') text++;
13106 len = strlen(text);
13107 while (len > 0 && text[len - 1] == '\n') len--;
13109 if (len == 0) return;
13111 if (commentList[index] != NULL) {
13112 old = commentList[index];
13113 oldlen = strlen(old);
13114 while(commentList[index][oldlen-1] == '\n')
13115 commentList[index][--oldlen] = NULLCHAR;
13116 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13117 strcpy(commentList[index], old);
13119 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13120 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
13121 if(addBraces) addBraces = FALSE; else { text++; len--; }
13122 while (*text == '\n') { text++; len--; }
13123 commentList[index][--oldlen] = NULLCHAR;
13125 if(addBraces) strcat(commentList[index], "\n{\n");
13126 else strcat(commentList[index], "\n");
13127 strcat(commentList[index], text);
13128 if(addBraces) strcat(commentList[index], "\n}\n");
13129 else strcat(commentList[index], "\n");
13131 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13133 strcpy(commentList[index], "{\n");
13134 else commentList[index][0] = NULLCHAR;
13135 strcat(commentList[index], text);
13136 strcat(commentList[index], "\n");
13137 if(addBraces) strcat(commentList[index], "}\n");
13141 static char * FindStr( char * text, char * sub_text )
13143 char * result = strstr( text, sub_text );
13145 if( result != NULL ) {
13146 result += strlen( sub_text );
13152 /* [AS] Try to extract PV info from PGN comment */
13153 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13154 char *GetInfoFromComment( int index, char * text )
13158 if( text != NULL && index > 0 ) {
13161 int time = -1, sec = 0, deci;
13162 char * s_eval = FindStr( text, "[%eval " );
13163 char * s_emt = FindStr( text, "[%emt " );
13165 if( s_eval != NULL || s_emt != NULL ) {
13169 if( s_eval != NULL ) {
13170 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13174 if( delim != ']' ) {
13179 if( s_emt != NULL ) {
13184 /* We expect something like: [+|-]nnn.nn/dd */
13187 if(*text != '{') return text; // [HGM] braces: must be normal comment
13189 sep = strchr( text, '/' );
13190 if( sep == NULL || sep < (text+4) ) {
13194 time = -1; sec = -1; deci = -1;
13195 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13196 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13197 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13198 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13202 if( score_lo < 0 || score_lo >= 100 ) {
13206 if(sec >= 0) time = 600*time + 10*sec; else
13207 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13209 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13211 /* [HGM] PV time: now locate end of PV info */
13212 while( *++sep >= '0' && *sep <= '9'); // strip depth
13214 while( *++sep >= '0' && *sep <= '9'); // strip time
13216 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13218 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13219 while(*sep == ' ') sep++;
13230 pvInfoList[index-1].depth = depth;
13231 pvInfoList[index-1].score = score;
13232 pvInfoList[index-1].time = 10*time; // centi-sec
13233 if(*sep == '}') *sep = 0; else *--sep = '{';
13239 SendToProgram(message, cps)
13241 ChessProgramState *cps;
13243 int count, outCount, error;
13246 if (cps->pr == NULL) return;
13249 if (appData.debugMode) {
13252 fprintf(debugFP, "%ld >%-6s: %s",
13253 SubtractTimeMarks(&now, &programStartTime),
13254 cps->which, message);
13257 count = strlen(message);
13258 outCount = OutputToProcess(cps->pr, message, count, &error);
13259 if (outCount < count && !exiting
13260 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13261 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13262 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13263 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13264 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13265 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13267 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13269 gameInfo.resultDetails = StrSave(buf);
13271 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13276 ReceiveFromProgram(isr, closure, message, count, error)
13277 InputSourceRef isr;
13285 ChessProgramState *cps = (ChessProgramState *)closure;
13287 if (isr != cps->isr) return; /* Killed intentionally */
13291 _("Error: %s chess program (%s) exited unexpectedly"),
13292 cps->which, cps->program);
13293 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13294 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13295 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13296 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13298 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13300 gameInfo.resultDetails = StrSave(buf);
13302 RemoveInputSource(cps->isr);
13303 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13306 _("Error reading from %s chess program (%s)"),
13307 cps->which, cps->program);
13308 RemoveInputSource(cps->isr);
13310 /* [AS] Program is misbehaving badly... kill it */
13311 if( count == -2 ) {
13312 DestroyChildProcess( cps->pr, 9 );
13316 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13321 if ((end_str = strchr(message, '\r')) != NULL)
13322 *end_str = NULLCHAR;
13323 if ((end_str = strchr(message, '\n')) != NULL)
13324 *end_str = NULLCHAR;
13326 if (appData.debugMode) {
13327 TimeMark now; int print = 1;
13328 char *quote = ""; char c; int i;
13330 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13331 char start = message[0];
13332 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13333 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13334 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13335 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13336 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13337 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13338 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13339 sscanf(message, "pong %c", &c)!=1 && start != '#')
13340 { quote = "# "; print = (appData.engineComments == 2); }
13341 message[0] = start; // restore original message
13345 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13346 SubtractTimeMarks(&now, &programStartTime), cps->which,
13352 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13353 if (appData.icsEngineAnalyze) {
13354 if (strstr(message, "whisper") != NULL ||
13355 strstr(message, "kibitz") != NULL ||
13356 strstr(message, "tellics") != NULL) return;
13359 HandleMachineMove(message, cps);
13364 SendTimeControl(cps, mps, tc, inc, sd, st)
13365 ChessProgramState *cps;
13366 int mps, inc, sd, st;
13372 if( timeControl_2 > 0 ) {
13373 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13374 tc = timeControl_2;
13377 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13378 inc /= cps->timeOdds;
13379 st /= cps->timeOdds;
13381 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13384 /* Set exact time per move, normally using st command */
13385 if (cps->stKludge) {
13386 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13388 if (seconds == 0) {
13389 sprintf(buf, "level 1 %d\n", st/60);
13391 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13394 sprintf(buf, "st %d\n", st);
13397 /* Set conventional or incremental time control, using level command */
13398 if (seconds == 0) {
13399 /* Note old gnuchess bug -- minutes:seconds used to not work.
13400 Fixed in later versions, but still avoid :seconds
13401 when seconds is 0. */
13402 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13404 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13405 seconds, inc/1000);
13408 SendToProgram(buf, cps);
13410 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13411 /* Orthogonally, limit search to given depth */
13413 if (cps->sdKludge) {
13414 sprintf(buf, "depth\n%d\n", sd);
13416 sprintf(buf, "sd %d\n", sd);
13418 SendToProgram(buf, cps);
13421 if(cps->nps > 0) { /* [HGM] nps */
13422 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13424 sprintf(buf, "nps %d\n", cps->nps);
13425 SendToProgram(buf, cps);
13430 ChessProgramState *WhitePlayer()
13431 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13433 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13434 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13440 SendTimeRemaining(cps, machineWhite)
13441 ChessProgramState *cps;
13442 int /*boolean*/ machineWhite;
13444 char message[MSG_SIZ];
13447 /* Note: this routine must be called when the clocks are stopped
13448 or when they have *just* been set or switched; otherwise
13449 it will be off by the time since the current tick started.
13451 if (machineWhite) {
13452 time = whiteTimeRemaining / 10;
13453 otime = blackTimeRemaining / 10;
13455 time = blackTimeRemaining / 10;
13456 otime = whiteTimeRemaining / 10;
13458 /* [HGM] translate opponent's time by time-odds factor */
13459 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13460 if (appData.debugMode) {
13461 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13464 if (time <= 0) time = 1;
13465 if (otime <= 0) otime = 1;
13467 sprintf(message, "time %ld\n", time);
13468 SendToProgram(message, cps);
13470 sprintf(message, "otim %ld\n", otime);
13471 SendToProgram(message, cps);
13475 BoolFeature(p, name, loc, cps)
13479 ChessProgramState *cps;
13482 int len = strlen(name);
13484 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13486 sscanf(*p, "%d", &val);
13488 while (**p && **p != ' ') (*p)++;
13489 sprintf(buf, "accepted %s\n", name);
13490 SendToProgram(buf, cps);
13497 IntFeature(p, name, loc, cps)
13501 ChessProgramState *cps;
13504 int len = strlen(name);
13505 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13507 sscanf(*p, "%d", loc);
13508 while (**p && **p != ' ') (*p)++;
13509 sprintf(buf, "accepted %s\n", name);
13510 SendToProgram(buf, cps);
13517 StringFeature(p, name, loc, cps)
13521 ChessProgramState *cps;
13524 int len = strlen(name);
13525 if (strncmp((*p), name, len) == 0
13526 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13528 sscanf(*p, "%[^\"]", loc);
13529 while (**p && **p != '\"') (*p)++;
13530 if (**p == '\"') (*p)++;
13531 sprintf(buf, "accepted %s\n", name);
13532 SendToProgram(buf, cps);
13539 ParseOption(Option *opt, ChessProgramState *cps)
13540 // [HGM] options: process the string that defines an engine option, and determine
13541 // name, type, default value, and allowed value range
13543 char *p, *q, buf[MSG_SIZ];
13544 int n, min = (-1)<<31, max = 1<<31, def;
13546 if(p = strstr(opt->name, " -spin ")) {
13547 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13548 if(max < min) max = min; // enforce consistency
13549 if(def < min) def = min;
13550 if(def > max) def = max;
13555 } else if((p = strstr(opt->name, " -slider "))) {
13556 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13557 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13558 if(max < min) max = min; // enforce consistency
13559 if(def < min) def = min;
13560 if(def > max) def = max;
13564 opt->type = Spin; // Slider;
13565 } else if((p = strstr(opt->name, " -string "))) {
13566 opt->textValue = p+9;
13567 opt->type = TextBox;
13568 } else if((p = strstr(opt->name, " -file "))) {
13569 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13570 opt->textValue = p+7;
13571 opt->type = TextBox; // FileName;
13572 } else if((p = strstr(opt->name, " -path "))) {
13573 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13574 opt->textValue = p+7;
13575 opt->type = TextBox; // PathName;
13576 } else if(p = strstr(opt->name, " -check ")) {
13577 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13578 opt->value = (def != 0);
13579 opt->type = CheckBox;
13580 } else if(p = strstr(opt->name, " -combo ")) {
13581 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13582 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13583 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13584 opt->value = n = 0;
13585 while(q = StrStr(q, " /// ")) {
13586 n++; *q = 0; // count choices, and null-terminate each of them
13588 if(*q == '*') { // remember default, which is marked with * prefix
13592 cps->comboList[cps->comboCnt++] = q;
13594 cps->comboList[cps->comboCnt++] = NULL;
13596 opt->type = ComboBox;
13597 } else if(p = strstr(opt->name, " -button")) {
13598 opt->type = Button;
13599 } else if(p = strstr(opt->name, " -save")) {
13600 opt->type = SaveButton;
13601 } else return FALSE;
13602 *p = 0; // terminate option name
13603 // now look if the command-line options define a setting for this engine option.
13604 if(cps->optionSettings && cps->optionSettings[0])
13605 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13606 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13607 sprintf(buf, "option %s", p);
13608 if(p = strstr(buf, ",")) *p = 0;
13610 SendToProgram(buf, cps);
13616 FeatureDone(cps, val)
13617 ChessProgramState* cps;
13620 DelayedEventCallback cb = GetDelayedEvent();
13621 if ((cb == InitBackEnd3 && cps == &first) ||
13622 (cb == TwoMachinesEventIfReady && cps == &second)) {
13623 CancelDelayedEvent();
13624 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13626 cps->initDone = val;
13629 /* Parse feature command from engine */
13631 ParseFeatures(args, cps)
13633 ChessProgramState *cps;
13641 while (*p == ' ') p++;
13642 if (*p == NULLCHAR) return;
13644 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13645 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13646 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13647 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13648 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13649 if (BoolFeature(&p, "reuse", &val, cps)) {
13650 /* Engine can disable reuse, but can't enable it if user said no */
13651 if (!val) cps->reuse = FALSE;
13654 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13655 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13656 if (gameMode == TwoMachinesPlay) {
13657 DisplayTwoMachinesTitle();
13663 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13664 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13665 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13666 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13667 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13668 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13669 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13670 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13671 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13672 if (IntFeature(&p, "done", &val, cps)) {
13673 FeatureDone(cps, val);
13676 /* Added by Tord: */
13677 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13678 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13679 /* End of additions by Tord */
13681 /* [HGM] added features: */
13682 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13683 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13684 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13685 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13686 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13687 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13688 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13689 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13690 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13691 SendToProgram(buf, cps);
13694 if(cps->nrOptions >= MAX_OPTIONS) {
13696 sprintf(buf, "%s engine has too many options\n", cps->which);
13697 DisplayError(buf, 0);
13701 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13702 /* End of additions by HGM */
13704 /* unknown feature: complain and skip */
13706 while (*q && *q != '=') q++;
13707 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13708 SendToProgram(buf, cps);
13714 while (*p && *p != '\"') p++;
13715 if (*p == '\"') p++;
13717 while (*p && *p != ' ') p++;
13725 PeriodicUpdatesEvent(newState)
13728 if (newState == appData.periodicUpdates)
13731 appData.periodicUpdates=newState;
13733 /* Display type changes, so update it now */
13734 // DisplayAnalysis();
13736 /* Get the ball rolling again... */
13738 AnalysisPeriodicEvent(1);
13739 StartAnalysisClock();
13744 PonderNextMoveEvent(newState)
13747 if (newState == appData.ponderNextMove) return;
13748 if (gameMode == EditPosition) EditPositionDone(TRUE);
13750 SendToProgram("hard\n", &first);
13751 if (gameMode == TwoMachinesPlay) {
13752 SendToProgram("hard\n", &second);
13755 SendToProgram("easy\n", &first);
13756 thinkOutput[0] = NULLCHAR;
13757 if (gameMode == TwoMachinesPlay) {
13758 SendToProgram("easy\n", &second);
13761 appData.ponderNextMove = newState;
13765 NewSettingEvent(option, command, value)
13771 if (gameMode == EditPosition) EditPositionDone(TRUE);
13772 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13773 SendToProgram(buf, &first);
13774 if (gameMode == TwoMachinesPlay) {
13775 SendToProgram(buf, &second);
13780 ShowThinkingEvent()
13781 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13783 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13784 int newState = appData.showThinking
13785 // [HGM] thinking: other features now need thinking output as well
13786 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13788 if (oldState == newState) return;
13789 oldState = newState;
13790 if (gameMode == EditPosition) EditPositionDone(TRUE);
13792 SendToProgram("post\n", &first);
13793 if (gameMode == TwoMachinesPlay) {
13794 SendToProgram("post\n", &second);
13797 SendToProgram("nopost\n", &first);
13798 thinkOutput[0] = NULLCHAR;
13799 if (gameMode == TwoMachinesPlay) {
13800 SendToProgram("nopost\n", &second);
13803 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13807 AskQuestionEvent(title, question, replyPrefix, which)
13808 char *title; char *question; char *replyPrefix; char *which;
13810 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13811 if (pr == NoProc) return;
13812 AskQuestion(title, question, replyPrefix, pr);
13816 DisplayMove(moveNumber)
13819 char message[MSG_SIZ];
13821 char cpThinkOutput[MSG_SIZ];
13823 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13825 if (moveNumber == forwardMostMove - 1 ||
13826 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13828 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13830 if (strchr(cpThinkOutput, '\n')) {
13831 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13834 *cpThinkOutput = NULLCHAR;
13837 /* [AS] Hide thinking from human user */
13838 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13839 *cpThinkOutput = NULLCHAR;
13840 if( thinkOutput[0] != NULLCHAR ) {
13843 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13844 cpThinkOutput[i] = '.';
13846 cpThinkOutput[i] = NULLCHAR;
13847 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13851 if (moveNumber == forwardMostMove - 1 &&
13852 gameInfo.resultDetails != NULL) {
13853 if (gameInfo.resultDetails[0] == NULLCHAR) {
13854 sprintf(res, " %s", PGNResult(gameInfo.result));
13856 sprintf(res, " {%s} %s",
13857 gameInfo.resultDetails, PGNResult(gameInfo.result));
13863 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13864 DisplayMessage(res, cpThinkOutput);
13866 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13867 WhiteOnMove(moveNumber) ? " " : ".. ",
13868 parseList[moveNumber], res);
13869 DisplayMessage(message, cpThinkOutput);
13874 DisplayComment(moveNumber, text)
13878 char title[MSG_SIZ];
13879 char buf[8000]; // comment can be long!
13882 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13883 strcpy(title, "Comment");
13885 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13886 WhiteOnMove(moveNumber) ? " " : ".. ",
13887 parseList[moveNumber]);
13889 // [HGM] PV info: display PV info together with (or as) comment
13890 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13891 if(text == NULL) text = "";
13892 score = pvInfoList[moveNumber].score;
13893 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13894 depth, (pvInfoList[moveNumber].time+50)/100, text);
13897 if (text != NULL && (appData.autoDisplayComment || commentUp))
13898 CommentPopUp(title, text);
13901 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13902 * might be busy thinking or pondering. It can be omitted if your
13903 * gnuchess is configured to stop thinking immediately on any user
13904 * input. However, that gnuchess feature depends on the FIONREAD
13905 * ioctl, which does not work properly on some flavors of Unix.
13909 ChessProgramState *cps;
13912 if (!cps->useSigint) return;
13913 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13914 switch (gameMode) {
13915 case MachinePlaysWhite:
13916 case MachinePlaysBlack:
13917 case TwoMachinesPlay:
13918 case IcsPlayingWhite:
13919 case IcsPlayingBlack:
13922 /* Skip if we know it isn't thinking */
13923 if (!cps->maybeThinking) return;
13924 if (appData.debugMode)
13925 fprintf(debugFP, "Interrupting %s\n", cps->which);
13926 InterruptChildProcess(cps->pr);
13927 cps->maybeThinking = FALSE;
13932 #endif /*ATTENTION*/
13938 if (whiteTimeRemaining <= 0) {
13941 if (appData.icsActive) {
13942 if (appData.autoCallFlag &&
13943 gameMode == IcsPlayingBlack && !blackFlag) {
13944 SendToICS(ics_prefix);
13945 SendToICS("flag\n");
13949 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13951 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13952 if (appData.autoCallFlag) {
13953 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13960 if (blackTimeRemaining <= 0) {
13963 if (appData.icsActive) {
13964 if (appData.autoCallFlag &&
13965 gameMode == IcsPlayingWhite && !whiteFlag) {
13966 SendToICS(ics_prefix);
13967 SendToICS("flag\n");
13971 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13973 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13974 if (appData.autoCallFlag) {
13975 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13988 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13989 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13992 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13994 if ( !WhiteOnMove(forwardMostMove) )
13995 /* White made time control */
13996 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13997 /* [HGM] time odds: correct new time quota for time odds! */
13998 / WhitePlayer()->timeOdds;
14000 /* Black made time control */
14001 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
14002 / WhitePlayer()->other->timeOdds;
14006 DisplayBothClocks()
14008 int wom = gameMode == EditPosition ?
14009 !blackPlaysFirst : WhiteOnMove(currentMove);
14010 DisplayWhiteClock(whiteTimeRemaining, wom);
14011 DisplayBlackClock(blackTimeRemaining, !wom);
14015 /* Timekeeping seems to be a portability nightmare. I think everyone
14016 has ftime(), but I'm really not sure, so I'm including some ifdefs
14017 to use other calls if you don't. Clocks will be less accurate if
14018 you have neither ftime nor gettimeofday.
14021 /* VS 2008 requires the #include outside of the function */
14022 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14023 #include <sys/timeb.h>
14026 /* Get the current time as a TimeMark */
14031 #if HAVE_GETTIMEOFDAY
14033 struct timeval timeVal;
14034 struct timezone timeZone;
14036 gettimeofday(&timeVal, &timeZone);
14037 tm->sec = (long) timeVal.tv_sec;
14038 tm->ms = (int) (timeVal.tv_usec / 1000L);
14040 #else /*!HAVE_GETTIMEOFDAY*/
14043 // include <sys/timeb.h> / moved to just above start of function
14044 struct timeb timeB;
14047 tm->sec = (long) timeB.time;
14048 tm->ms = (int) timeB.millitm;
14050 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14051 tm->sec = (long) time(NULL);
14057 /* Return the difference in milliseconds between two
14058 time marks. We assume the difference will fit in a long!
14061 SubtractTimeMarks(tm2, tm1)
14062 TimeMark *tm2, *tm1;
14064 return 1000L*(tm2->sec - tm1->sec) +
14065 (long) (tm2->ms - tm1->ms);
14070 * Code to manage the game clocks.
14072 * In tournament play, black starts the clock and then white makes a move.
14073 * We give the human user a slight advantage if he is playing white---the
14074 * clocks don't run until he makes his first move, so it takes zero time.
14075 * Also, we don't account for network lag, so we could get out of sync
14076 * with GNU Chess's clock -- but then, referees are always right.
14079 static TimeMark tickStartTM;
14080 static long intendedTickLength;
14083 NextTickLength(timeRemaining)
14084 long timeRemaining;
14086 long nominalTickLength, nextTickLength;
14088 if (timeRemaining > 0L && timeRemaining <= 10000L)
14089 nominalTickLength = 100L;
14091 nominalTickLength = 1000L;
14092 nextTickLength = timeRemaining % nominalTickLength;
14093 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14095 return nextTickLength;
14098 /* Adjust clock one minute up or down */
14100 AdjustClock(Boolean which, int dir)
14102 if(which) blackTimeRemaining += 60000*dir;
14103 else whiteTimeRemaining += 60000*dir;
14104 DisplayBothClocks();
14107 /* Stop clocks and reset to a fresh time control */
14111 (void) StopClockTimer();
14112 if (appData.icsActive) {
14113 whiteTimeRemaining = blackTimeRemaining = 0;
14114 } else if (searchTime) {
14115 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14116 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14117 } else { /* [HGM] correct new time quote for time odds */
14118 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
14119 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
14121 if (whiteFlag || blackFlag) {
14123 whiteFlag = blackFlag = FALSE;
14125 DisplayBothClocks();
14128 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14130 /* Decrement running clock by amount of time that has passed */
14134 long timeRemaining;
14135 long lastTickLength, fudge;
14138 if (!appData.clockMode) return;
14139 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14143 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14145 /* Fudge if we woke up a little too soon */
14146 fudge = intendedTickLength - lastTickLength;
14147 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14149 if (WhiteOnMove(forwardMostMove)) {
14150 if(whiteNPS >= 0) lastTickLength = 0;
14151 timeRemaining = whiteTimeRemaining -= lastTickLength;
14152 DisplayWhiteClock(whiteTimeRemaining - fudge,
14153 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14155 if(blackNPS >= 0) lastTickLength = 0;
14156 timeRemaining = blackTimeRemaining -= lastTickLength;
14157 DisplayBlackClock(blackTimeRemaining - fudge,
14158 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14161 if (CheckFlags()) return;
14164 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14165 StartClockTimer(intendedTickLength);
14167 /* if the time remaining has fallen below the alarm threshold, sound the
14168 * alarm. if the alarm has sounded and (due to a takeback or time control
14169 * with increment) the time remaining has increased to a level above the
14170 * threshold, reset the alarm so it can sound again.
14173 if (appData.icsActive && appData.icsAlarm) {
14175 /* make sure we are dealing with the user's clock */
14176 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14177 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14180 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14181 alarmSounded = FALSE;
14182 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14184 alarmSounded = TRUE;
14190 /* A player has just moved, so stop the previously running
14191 clock and (if in clock mode) start the other one.
14192 We redisplay both clocks in case we're in ICS mode, because
14193 ICS gives us an update to both clocks after every move.
14194 Note that this routine is called *after* forwardMostMove
14195 is updated, so the last fractional tick must be subtracted
14196 from the color that is *not* on move now.
14199 SwitchClocks(int newMoveNr)
14201 long lastTickLength;
14203 int flagged = FALSE;
14207 if (StopClockTimer() && appData.clockMode) {
14208 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14209 if (!WhiteOnMove(forwardMostMove)) {
14210 if(blackNPS >= 0) lastTickLength = 0;
14211 blackTimeRemaining -= lastTickLength;
14212 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14213 // if(pvInfoList[forwardMostMove-1].time == -1)
14214 pvInfoList[forwardMostMove-1].time = // use GUI time
14215 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14217 if(whiteNPS >= 0) lastTickLength = 0;
14218 whiteTimeRemaining -= lastTickLength;
14219 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14220 // if(pvInfoList[forwardMostMove-1].time == -1)
14221 pvInfoList[forwardMostMove-1].time =
14222 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14224 flagged = CheckFlags();
14226 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14227 CheckTimeControl();
14229 if (flagged || !appData.clockMode) return;
14231 switch (gameMode) {
14232 case MachinePlaysBlack:
14233 case MachinePlaysWhite:
14234 case BeginningOfGame:
14235 if (pausing) return;
14239 case PlayFromGameFile:
14247 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14248 if(WhiteOnMove(forwardMostMove))
14249 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14250 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14254 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14255 whiteTimeRemaining : blackTimeRemaining);
14256 StartClockTimer(intendedTickLength);
14260 /* Stop both clocks */
14264 long lastTickLength;
14267 if (!StopClockTimer()) return;
14268 if (!appData.clockMode) return;
14272 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14273 if (WhiteOnMove(forwardMostMove)) {
14274 if(whiteNPS >= 0) lastTickLength = 0;
14275 whiteTimeRemaining -= lastTickLength;
14276 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14278 if(blackNPS >= 0) lastTickLength = 0;
14279 blackTimeRemaining -= lastTickLength;
14280 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14285 /* Start clock of player on move. Time may have been reset, so
14286 if clock is already running, stop and restart it. */
14290 (void) StopClockTimer(); /* in case it was running already */
14291 DisplayBothClocks();
14292 if (CheckFlags()) return;
14294 if (!appData.clockMode) return;
14295 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14297 GetTimeMark(&tickStartTM);
14298 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14299 whiteTimeRemaining : blackTimeRemaining);
14301 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14302 whiteNPS = blackNPS = -1;
14303 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14304 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14305 whiteNPS = first.nps;
14306 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14307 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14308 blackNPS = first.nps;
14309 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14310 whiteNPS = second.nps;
14311 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14312 blackNPS = second.nps;
14313 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14315 StartClockTimer(intendedTickLength);
14322 long second, minute, hour, day;
14324 static char buf[32];
14326 if (ms > 0 && ms <= 9900) {
14327 /* convert milliseconds to tenths, rounding up */
14328 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14330 sprintf(buf, " %03.1f ", tenths/10.0);
14334 /* convert milliseconds to seconds, rounding up */
14335 /* use floating point to avoid strangeness of integer division
14336 with negative dividends on many machines */
14337 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14344 day = second / (60 * 60 * 24);
14345 second = second % (60 * 60 * 24);
14346 hour = second / (60 * 60);
14347 second = second % (60 * 60);
14348 minute = second / 60;
14349 second = second % 60;
14352 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14353 sign, day, hour, minute, second);
14355 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14357 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14364 * This is necessary because some C libraries aren't ANSI C compliant yet.
14367 StrStr(string, match)
14368 char *string, *match;
14372 length = strlen(match);
14374 for (i = strlen(string) - length; i >= 0; i--, string++)
14375 if (!strncmp(match, string, length))
14382 StrCaseStr(string, match)
14383 char *string, *match;
14387 length = strlen(match);
14389 for (i = strlen(string) - length; i >= 0; i--, string++) {
14390 for (j = 0; j < length; j++) {
14391 if (ToLower(match[j]) != ToLower(string[j]))
14394 if (j == length) return string;
14408 c1 = ToLower(*s1++);
14409 c2 = ToLower(*s2++);
14410 if (c1 > c2) return 1;
14411 if (c1 < c2) return -1;
14412 if (c1 == NULLCHAR) return 0;
14421 return isupper(c) ? tolower(c) : c;
14429 return islower(c) ? toupper(c) : c;
14431 #endif /* !_amigados */
14439 if ((ret = (char *) malloc(strlen(s) + 1))) {
14446 StrSavePtr(s, savePtr)
14447 char *s, **savePtr;
14452 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14453 strcpy(*savePtr, s);
14465 clock = time((time_t *)NULL);
14466 tm = localtime(&clock);
14467 sprintf(buf, "%04d.%02d.%02d",
14468 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14469 return StrSave(buf);
14474 PositionToFEN(move, overrideCastling)
14476 char *overrideCastling;
14478 int i, j, fromX, fromY, toX, toY;
14485 whiteToPlay = (gameMode == EditPosition) ?
14486 !blackPlaysFirst : (move % 2 == 0);
14489 /* Piece placement data */
14490 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14492 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14493 if (boards[move][i][j] == EmptySquare) {
14495 } else { ChessSquare piece = boards[move][i][j];
14496 if (emptycount > 0) {
14497 if(emptycount<10) /* [HGM] can be >= 10 */
14498 *p++ = '0' + emptycount;
14499 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14502 if(PieceToChar(piece) == '+') {
14503 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14505 piece = (ChessSquare)(DEMOTED piece);
14507 *p++ = PieceToChar(piece);
14509 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14510 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14515 if (emptycount > 0) {
14516 if(emptycount<10) /* [HGM] can be >= 10 */
14517 *p++ = '0' + emptycount;
14518 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14525 /* [HGM] print Crazyhouse or Shogi holdings */
14526 if( gameInfo.holdingsWidth ) {
14527 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14529 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14530 piece = boards[move][i][BOARD_WIDTH-1];
14531 if( piece != EmptySquare )
14532 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14533 *p++ = PieceToChar(piece);
14535 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14536 piece = boards[move][BOARD_HEIGHT-i-1][0];
14537 if( piece != EmptySquare )
14538 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14539 *p++ = PieceToChar(piece);
14542 if( q == p ) *p++ = '-';
14548 *p++ = whiteToPlay ? 'w' : 'b';
14551 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14552 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14554 if(nrCastlingRights) {
14556 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14557 /* [HGM] write directly from rights */
14558 if(boards[move][CASTLING][2] != NoRights &&
14559 boards[move][CASTLING][0] != NoRights )
14560 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14561 if(boards[move][CASTLING][2] != NoRights &&
14562 boards[move][CASTLING][1] != NoRights )
14563 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14564 if(boards[move][CASTLING][5] != NoRights &&
14565 boards[move][CASTLING][3] != NoRights )
14566 *p++ = boards[move][CASTLING][3] + AAA;
14567 if(boards[move][CASTLING][5] != NoRights &&
14568 boards[move][CASTLING][4] != NoRights )
14569 *p++ = boards[move][CASTLING][4] + AAA;
14572 /* [HGM] write true castling rights */
14573 if( nrCastlingRights == 6 ) {
14574 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14575 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14576 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14577 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14578 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14579 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14580 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14581 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14584 if (q == p) *p++ = '-'; /* No castling rights */
14588 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14589 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14590 /* En passant target square */
14591 if (move > backwardMostMove) {
14592 fromX = moveList[move - 1][0] - AAA;
14593 fromY = moveList[move - 1][1] - ONE;
14594 toX = moveList[move - 1][2] - AAA;
14595 toY = moveList[move - 1][3] - ONE;
14596 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14597 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14598 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14600 /* 2-square pawn move just happened */
14602 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14606 } else if(move == backwardMostMove) {
14607 // [HGM] perhaps we should always do it like this, and forget the above?
14608 if((signed char)boards[move][EP_STATUS] >= 0) {
14609 *p++ = boards[move][EP_STATUS] + AAA;
14610 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14621 /* [HGM] find reversible plies */
14622 { int i = 0, j=move;
14624 if (appData.debugMode) { int k;
14625 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14626 for(k=backwardMostMove; k<=forwardMostMove; k++)
14627 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14631 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14632 if( j == backwardMostMove ) i += initialRulePlies;
14633 sprintf(p, "%d ", i);
14634 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14636 /* Fullmove number */
14637 sprintf(p, "%d", (move / 2) + 1);
14639 return StrSave(buf);
14643 ParseFEN(board, blackPlaysFirst, fen)
14645 int *blackPlaysFirst;
14655 /* [HGM] by default clear Crazyhouse holdings, if present */
14656 if(gameInfo.holdingsWidth) {
14657 for(i=0; i<BOARD_HEIGHT; i++) {
14658 board[i][0] = EmptySquare; /* black holdings */
14659 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14660 board[i][1] = (ChessSquare) 0; /* black counts */
14661 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14665 /* Piece placement data */
14666 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14669 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14670 if (*p == '/') p++;
14671 emptycount = gameInfo.boardWidth - j;
14672 while (emptycount--)
14673 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14675 #if(BOARD_FILES >= 10)
14676 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14677 p++; emptycount=10;
14678 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14679 while (emptycount--)
14680 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14682 } else if (isdigit(*p)) {
14683 emptycount = *p++ - '0';
14684 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14685 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14686 while (emptycount--)
14687 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14688 } else if (*p == '+' || isalpha(*p)) {
14689 if (j >= gameInfo.boardWidth) return FALSE;
14691 piece = CharToPiece(*++p);
14692 if(piece == EmptySquare) return FALSE; /* unknown piece */
14693 piece = (ChessSquare) (PROMOTED piece ); p++;
14694 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14695 } else piece = CharToPiece(*p++);
14697 if(piece==EmptySquare) return FALSE; /* unknown piece */
14698 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14699 piece = (ChessSquare) (PROMOTED piece);
14700 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14703 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14709 while (*p == '/' || *p == ' ') p++;
14711 /* [HGM] look for Crazyhouse holdings here */
14712 while(*p==' ') p++;
14713 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14715 if(*p == '-' ) *p++; /* empty holdings */ else {
14716 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14717 /* if we would allow FEN reading to set board size, we would */
14718 /* have to add holdings and shift the board read so far here */
14719 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14721 if((int) piece >= (int) BlackPawn ) {
14722 i = (int)piece - (int)BlackPawn;
14723 i = PieceToNumber((ChessSquare)i);
14724 if( i >= gameInfo.holdingsSize ) return FALSE;
14725 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14726 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14728 i = (int)piece - (int)WhitePawn;
14729 i = PieceToNumber((ChessSquare)i);
14730 if( i >= gameInfo.holdingsSize ) return FALSE;
14731 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14732 board[i][BOARD_WIDTH-2]++; /* black holdings */
14736 if(*p == ']') *p++;
14739 while(*p == ' ') p++;
14744 *blackPlaysFirst = FALSE;
14747 *blackPlaysFirst = TRUE;
14753 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14754 /* return the extra info in global variiables */
14756 /* set defaults in case FEN is incomplete */
14757 board[EP_STATUS] = EP_UNKNOWN;
14758 for(i=0; i<nrCastlingRights; i++ ) {
14759 board[CASTLING][i] =
14760 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14761 } /* assume possible unless obviously impossible */
14762 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14763 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14764 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14765 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14766 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14767 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14768 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14769 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14772 while(*p==' ') p++;
14773 if(nrCastlingRights) {
14774 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14775 /* castling indicator present, so default becomes no castlings */
14776 for(i=0; i<nrCastlingRights; i++ ) {
14777 board[CASTLING][i] = NoRights;
14780 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14781 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14782 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14783 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14784 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14786 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14787 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14788 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14790 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14791 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14792 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14793 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14794 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14795 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14798 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14799 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14800 board[CASTLING][2] = whiteKingFile;
14803 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14804 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14805 board[CASTLING][2] = whiteKingFile;
14808 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14809 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14810 board[CASTLING][5] = blackKingFile;
14813 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14814 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14815 board[CASTLING][5] = blackKingFile;
14818 default: /* FRC castlings */
14819 if(c >= 'a') { /* black rights */
14820 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14821 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14822 if(i == BOARD_RGHT) break;
14823 board[CASTLING][5] = i;
14825 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14826 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14828 board[CASTLING][3] = c;
14830 board[CASTLING][4] = c;
14831 } else { /* white rights */
14832 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14833 if(board[0][i] == WhiteKing) break;
14834 if(i == BOARD_RGHT) break;
14835 board[CASTLING][2] = i;
14836 c -= AAA - 'a' + 'A';
14837 if(board[0][c] >= WhiteKing) break;
14839 board[CASTLING][0] = c;
14841 board[CASTLING][1] = c;
14845 for(i=0; i<nrCastlingRights; i++)
14846 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14847 if (appData.debugMode) {
14848 fprintf(debugFP, "FEN castling rights:");
14849 for(i=0; i<nrCastlingRights; i++)
14850 fprintf(debugFP, " %d", board[CASTLING][i]);
14851 fprintf(debugFP, "\n");
14854 while(*p==' ') p++;
14857 /* read e.p. field in games that know e.p. capture */
14858 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14859 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14861 p++; board[EP_STATUS] = EP_NONE;
14863 char c = *p++ - AAA;
14865 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14866 if(*p >= '0' && *p <='9') *p++;
14867 board[EP_STATUS] = c;
14872 if(sscanf(p, "%d", &i) == 1) {
14873 FENrulePlies = i; /* 50-move ply counter */
14874 /* (The move number is still ignored) */
14881 EditPositionPasteFEN(char *fen)
14884 Board initial_position;
14886 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14887 DisplayError(_("Bad FEN position in clipboard"), 0);
14890 int savedBlackPlaysFirst = blackPlaysFirst;
14891 EditPositionEvent();
14892 blackPlaysFirst = savedBlackPlaysFirst;
14893 CopyBoard(boards[0], initial_position);
14894 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14895 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14896 DisplayBothClocks();
14897 DrawPosition(FALSE, boards[currentMove]);
14902 static char cseq[12] = "\\ ";
14904 Boolean set_cont_sequence(char *new_seq)
14909 // handle bad attempts to set the sequence
14911 return 0; // acceptable error - no debug
14913 len = strlen(new_seq);
14914 ret = (len > 0) && (len < sizeof(cseq));
14916 strcpy(cseq, new_seq);
14917 else if (appData.debugMode)
14918 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14923 reformat a source message so words don't cross the width boundary. internal
14924 newlines are not removed. returns the wrapped size (no null character unless
14925 included in source message). If dest is NULL, only calculate the size required
14926 for the dest buffer. lp argument indicats line position upon entry, and it's
14927 passed back upon exit.
14929 int wrap(char *dest, char *src, int count, int width, int *lp)
14931 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14933 cseq_len = strlen(cseq);
14934 old_line = line = *lp;
14935 ansi = len = clen = 0;
14937 for (i=0; i < count; i++)
14939 if (src[i] == '\033')
14942 // if we hit the width, back up
14943 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14945 // store i & len in case the word is too long
14946 old_i = i, old_len = len;
14948 // find the end of the last word
14949 while (i && src[i] != ' ' && src[i] != '\n')
14955 // word too long? restore i & len before splitting it
14956 if ((old_i-i+clen) >= width)
14963 if (i && src[i-1] == ' ')
14966 if (src[i] != ' ' && src[i] != '\n')
14973 // now append the newline and continuation sequence
14978 strncpy(dest+len, cseq, cseq_len);
14986 dest[len] = src[i];
14990 if (src[i] == '\n')
14995 if (dest && appData.debugMode)
14997 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14998 count, width, line, len, *lp);
14999 show_bytes(debugFP, src, count);
15000 fprintf(debugFP, "\ndest: ");
15001 show_bytes(debugFP, dest, len);
15002 fprintf(debugFP, "\n");
15004 *lp = dest ? line : old_line;
15009 // [HGM] vari: routines for shelving variations
15012 PushTail(int firstMove, int lastMove)
15014 int i, j, nrMoves = lastMove - firstMove;
15016 if(appData.icsActive) { // only in local mode
15017 forwardMostMove = currentMove; // mimic old ICS behavior
15020 if(storedGames >= MAX_VARIATIONS-1) return;
15022 // push current tail of game on stack
15023 savedResult[storedGames] = gameInfo.result;
15024 savedDetails[storedGames] = gameInfo.resultDetails;
15025 gameInfo.resultDetails = NULL;
15026 savedFirst[storedGames] = firstMove;
15027 savedLast [storedGames] = lastMove;
15028 savedFramePtr[storedGames] = framePtr;
15029 framePtr -= nrMoves; // reserve space for the boards
15030 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15031 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15032 for(j=0; j<MOVE_LEN; j++)
15033 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15034 for(j=0; j<2*MOVE_LEN; j++)
15035 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15036 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15037 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15038 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15039 pvInfoList[firstMove+i-1].depth = 0;
15040 commentList[framePtr+i] = commentList[firstMove+i];
15041 commentList[firstMove+i] = NULL;
15045 forwardMostMove = firstMove; // truncate game so we can start variation
15046 if(storedGames == 1) GreyRevert(FALSE);
15050 PopTail(Boolean annotate)
15053 char buf[8000], moveBuf[20];
15055 if(appData.icsActive) return FALSE; // only in local mode
15056 if(!storedGames) return FALSE; // sanity
15057 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15060 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15061 nrMoves = savedLast[storedGames] - currentMove;
15064 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
15065 else strcpy(buf, "(");
15066 for(i=currentMove; i<forwardMostMove; i++) {
15068 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
15069 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
15070 strcat(buf, moveBuf);
15071 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15072 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15076 for(i=1; i<=nrMoves; i++) { // copy last variation back
15077 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15078 for(j=0; j<MOVE_LEN; j++)
15079 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15080 for(j=0; j<2*MOVE_LEN; j++)
15081 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15082 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15083 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15084 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15085 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15086 commentList[currentMove+i] = commentList[framePtr+i];
15087 commentList[framePtr+i] = NULL;
15089 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15090 framePtr = savedFramePtr[storedGames];
15091 gameInfo.result = savedResult[storedGames];
15092 if(gameInfo.resultDetails != NULL) {
15093 free(gameInfo.resultDetails);
15095 gameInfo.resultDetails = savedDetails[storedGames];
15096 forwardMostMove = currentMove + nrMoves;
15097 if(storedGames == 0) GreyRevert(TRUE);
15103 { // remove all shelved variations
15105 for(i=0; i<storedGames; i++) {
15106 if(savedDetails[i])
15107 free(savedDetails[i]);
15108 savedDetails[i] = NULL;
15110 for(i=framePtr; i<MAX_MOVES; i++) {
15111 if(commentList[i]) free(commentList[i]);
15112 commentList[i] = NULL;
15114 framePtr = MAX_MOVES-1;
15119 LoadVariation(int index, char *text)
15120 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15121 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15122 int level = 0, move;
15124 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15125 // first find outermost bracketing variation
15126 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15127 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15128 if(*p == '{') wait = '}'; else
15129 if(*p == '[') wait = ']'; else
15130 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15131 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15133 if(*p == wait) wait = NULLCHAR; // closing ]} found
15136 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15137 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15138 end[1] = NULLCHAR; // clip off comment beyond variation
15139 ToNrEvent(currentMove-1);
15140 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15141 // kludge: use ParsePV() to append variation to game
15142 move = currentMove;
15143 ParsePV(start, TRUE);
15144 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15145 ClearPremoveHighlights();
15147 ToNrEvent(currentMove+1);