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)* log(tc)/log(100.) + 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)* log((double)i)/log(100.) + 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;
2546 if(!suppressKibitz) // [HGM] kibitz
2547 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2548 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2549 int nrDigit = 0, nrAlph = 0, j;
2550 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2551 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2552 parse[parse_pos] = NULLCHAR;
2553 // try to be smart: if it does not look like search info, it should go to
2554 // ICS interaction window after all, not to engine-output window.
2555 for(j=0; j<parse_pos; j++) { // count letters and digits
2556 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2557 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2558 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2560 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2561 int depth=0; float score;
2562 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2563 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2564 pvInfoList[forwardMostMove-1].depth = depth;
2565 pvInfoList[forwardMostMove-1].score = 100*score;
2567 OutputKibitz(suppressKibitz, parse);
2568 next_out = i+1; // [HGM] suppress printing in ICS window
2571 sprintf(tmp, _("your opponent kibitzes: %s"), parse);
2572 SendToPlayer(tmp, strlen(tmp));
2575 started = STARTED_NONE;
2577 /* Don't match patterns against characters in comment */
2582 if (started == STARTED_CHATTER) {
2583 if (buf[i] != '\n') {
2584 /* Don't match patterns against characters in chatter */
2588 started = STARTED_NONE;
2591 /* Kludge to deal with rcmd protocol */
2592 if (firstTime && looking_at(buf, &i, "\001*")) {
2593 DisplayFatalError(&buf[1], 0, 1);
2599 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2602 if (appData.debugMode)
2603 fprintf(debugFP, "ics_type %d\n", ics_type);
2606 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2607 ics_type = ICS_FICS;
2609 if (appData.debugMode)
2610 fprintf(debugFP, "ics_type %d\n", ics_type);
2613 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2614 ics_type = ICS_CHESSNET;
2616 if (appData.debugMode)
2617 fprintf(debugFP, "ics_type %d\n", ics_type);
2622 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2623 looking_at(buf, &i, "Logging you in as \"*\"") ||
2624 looking_at(buf, &i, "will be \"*\""))) {
2625 strcpy(ics_handle, star_match[0]);
2629 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2631 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2632 DisplayIcsInteractionTitle(buf);
2633 have_set_title = TRUE;
2636 /* skip finger notes */
2637 if (started == STARTED_NONE &&
2638 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2639 (buf[i] == '1' && buf[i+1] == '0')) &&
2640 buf[i+2] == ':' && buf[i+3] == ' ') {
2641 started = STARTED_CHATTER;
2646 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2647 if(appData.seekGraph) {
2648 if(soughtPending && MatchSoughtLine(buf+i)) {
2649 i = strstr(buf+i, "rated") - buf;
2650 next_out = leftover_start = i;
2651 started = STARTED_CHATTER;
2652 suppressKibitz = TRUE;
2655 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2656 && looking_at(buf, &i, "* ads displayed")) {
2657 soughtPending = FALSE;
2662 if(appData.autoRefresh) {
2663 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2664 int s = (ics_type == ICS_ICC); // ICC format differs
2666 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2667 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2668 looking_at(buf, &i, "*% "); // eat prompt
2669 next_out = i; // suppress
2672 if(looking_at(buf, &i, "Ads removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2673 char *p = star_match[0];
2675 if(seekGraphUp) RemoveSeekAd(atoi(p));
2676 while(*p && *p++ != ' '); // next
2678 looking_at(buf, &i, "*% "); // eat prompt
2685 /* skip formula vars */
2686 if (started == STARTED_NONE &&
2687 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2688 started = STARTED_CHATTER;
2694 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2695 if (appData.autoKibitz && started == STARTED_NONE &&
2696 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2697 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2698 if(looking_at(buf, &i, "* kibitzes: ") &&
2699 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2700 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2701 suppressKibitz = TRUE;
2702 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2703 && (gameMode == IcsPlayingWhite)) ||
2704 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2705 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2706 started = STARTED_CHATTER; // own kibitz we simply discard
2708 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2709 parse_pos = 0; parse[0] = NULLCHAR;
2710 savingComment = TRUE;
2711 suppressKibitz = gameMode != IcsObserving ? 2 :
2712 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2716 if(looking_at(buf, &i, "kibitzed to *\n") && atoi(star_match[0])) {
2717 // suppress the acknowledgements of our own autoKibitz
2719 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2720 SendToPlayer(star_match[0], strlen(star_match[0]));
2721 looking_at(buf, &i, "*% "); // eat prompt
2724 } // [HGM] kibitz: end of patch
2726 //if(appData.debugMode) fprintf(debugFP, "hunt for tell, buf = %s\n", buf+i);
2728 // [HGM] chat: intercept tells by users for which we have an open chat window
2730 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2731 looking_at(buf, &i, "* whispers:") ||
2732 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2733 looking_at(buf, &i, "*(*)(*):") && sscanf(star_match[2], "%d", &channel) == 1 )) {
2735 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2736 chattingPartner = -1;
2738 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2739 for(p=0; p<MAX_CHAT; p++) {
2740 if(channel == atoi(chatPartner[p])) {
2741 talker[0] = '['; strcat(talker, "] ");
2742 chattingPartner = p; break;
2745 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2746 for(p=0; p<MAX_CHAT; p++) {
2747 if(!strcmp("WHISPER", chatPartner[p])) {
2748 talker[0] = '['; strcat(talker, "] ");
2749 chattingPartner = p; break;
2752 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2753 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2755 chattingPartner = p; break;
2757 if(chattingPartner<0) i = oldi; else {
2758 started = STARTED_COMMENT;
2759 parse_pos = 0; parse[0] = NULLCHAR;
2760 savingComment = 3 + chattingPartner; // counts as TRUE
2761 suppressKibitz = TRUE;
2763 } // [HGM] chat: end of patch
2765 if (appData.zippyTalk || appData.zippyPlay) {
2766 /* [DM] Backup address for color zippy lines */
2770 if (loggedOn == TRUE)
2771 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2772 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2774 if (ZippyControl(buf, &i) ||
2775 ZippyConverse(buf, &i) ||
2776 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2778 if (!appData.colorize) continue;
2782 } // [DM] 'else { ' deleted
2784 /* Regular tells and says */
2785 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2786 looking_at(buf, &i, "* (your partner) tells you: ") ||
2787 looking_at(buf, &i, "* says: ") ||
2788 /* Don't color "message" or "messages" output */
2789 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2790 looking_at(buf, &i, "*. * at *:*: ") ||
2791 looking_at(buf, &i, "--* (*:*): ") ||
2792 /* Message notifications (same color as tells) */
2793 looking_at(buf, &i, "* has left a message ") ||
2794 looking_at(buf, &i, "* just sent you a message:\n") ||
2795 /* Whispers and kibitzes */
2796 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2797 looking_at(buf, &i, "* kibitzes: ") ||
2799 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2801 if (tkind == 1 && strchr(star_match[0], ':')) {
2802 /* Avoid "tells you:" spoofs in channels */
2805 if (star_match[0][0] == NULLCHAR ||
2806 strchr(star_match[0], ' ') ||
2807 (tkind == 3 && strchr(star_match[1], ' '))) {
2808 /* Reject bogus matches */
2811 if (appData.colorize) {
2812 if (oldi > next_out) {
2813 SendToPlayer(&buf[next_out], oldi - next_out);
2818 Colorize(ColorTell, FALSE);
2819 curColor = ColorTell;
2822 Colorize(ColorKibitz, FALSE);
2823 curColor = ColorKibitz;
2826 p = strrchr(star_match[1], '(');
2833 Colorize(ColorChannel1, FALSE);
2834 curColor = ColorChannel1;
2836 Colorize(ColorChannel, FALSE);
2837 curColor = ColorChannel;
2841 curColor = ColorNormal;
2845 if (started == STARTED_NONE && appData.autoComment &&
2846 (gameMode == IcsObserving ||
2847 gameMode == IcsPlayingWhite ||
2848 gameMode == IcsPlayingBlack)) {
2849 parse_pos = i - oldi;
2850 memcpy(parse, &buf[oldi], parse_pos);
2851 parse[parse_pos] = NULLCHAR;
2852 started = STARTED_COMMENT;
2853 savingComment = TRUE;
2855 started = STARTED_CHATTER;
2856 savingComment = FALSE;
2863 if (looking_at(buf, &i, "* s-shouts: ") ||
2864 looking_at(buf, &i, "* c-shouts: ")) {
2865 if (appData.colorize) {
2866 if (oldi > next_out) {
2867 SendToPlayer(&buf[next_out], oldi - next_out);
2870 Colorize(ColorSShout, FALSE);
2871 curColor = ColorSShout;
2874 started = STARTED_CHATTER;
2878 if (looking_at(buf, &i, "--->")) {
2883 if (looking_at(buf, &i, "* shouts: ") ||
2884 looking_at(buf, &i, "--> ")) {
2885 if (appData.colorize) {
2886 if (oldi > next_out) {
2887 SendToPlayer(&buf[next_out], oldi - next_out);
2890 Colorize(ColorShout, FALSE);
2891 curColor = ColorShout;
2894 started = STARTED_CHATTER;
2898 if (looking_at( buf, &i, "Challenge:")) {
2899 if (appData.colorize) {
2900 if (oldi > next_out) {
2901 SendToPlayer(&buf[next_out], oldi - next_out);
2904 Colorize(ColorChallenge, FALSE);
2905 curColor = ColorChallenge;
2911 if (looking_at(buf, &i, "* offers you") ||
2912 looking_at(buf, &i, "* offers to be") ||
2913 looking_at(buf, &i, "* would like to") ||
2914 looking_at(buf, &i, "* requests to") ||
2915 looking_at(buf, &i, "Your opponent offers") ||
2916 looking_at(buf, &i, "Your opponent requests")) {
2918 if (appData.colorize) {
2919 if (oldi > next_out) {
2920 SendToPlayer(&buf[next_out], oldi - next_out);
2923 Colorize(ColorRequest, FALSE);
2924 curColor = ColorRequest;
2929 if (looking_at(buf, &i, "* (*) seeking")) {
2930 if (appData.colorize) {
2931 if (oldi > next_out) {
2932 SendToPlayer(&buf[next_out], oldi - next_out);
2935 Colorize(ColorSeek, FALSE);
2936 curColor = ColorSeek;
2941 if (looking_at(buf, &i, "\\ ")) {
2942 if (prevColor != ColorNormal) {
2943 if (oldi > next_out) {
2944 SendToPlayer(&buf[next_out], oldi - next_out);
2947 Colorize(prevColor, TRUE);
2948 curColor = prevColor;
2950 if (savingComment) {
2951 parse_pos = i - oldi;
2952 memcpy(parse, &buf[oldi], parse_pos);
2953 parse[parse_pos] = NULLCHAR;
2954 started = STARTED_COMMENT;
2955 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2956 chattingPartner = savingComment - 3; // kludge to remember the box
2958 started = STARTED_CHATTER;
2963 if (looking_at(buf, &i, "Black Strength :") ||
2964 looking_at(buf, &i, "<<< style 10 board >>>") ||
2965 looking_at(buf, &i, "<10>") ||
2966 looking_at(buf, &i, "#@#")) {
2967 /* Wrong board style */
2969 SendToICS(ics_prefix);
2970 SendToICS("set style 12\n");
2971 SendToICS(ics_prefix);
2972 SendToICS("refresh\n");
2976 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2978 have_sent_ICS_logon = 1;
2982 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2983 (looking_at(buf, &i, "\n<12> ") ||
2984 looking_at(buf, &i, "<12> "))) {
2986 if (oldi > next_out) {
2987 SendToPlayer(&buf[next_out], oldi - next_out);
2990 started = STARTED_BOARD;
2995 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2996 looking_at(buf, &i, "<b1> ")) {
2997 if (oldi > next_out) {
2998 SendToPlayer(&buf[next_out], oldi - next_out);
3001 started = STARTED_HOLDINGS;
3006 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3008 /* Header for a move list -- first line */
3010 switch (ics_getting_history) {
3014 case BeginningOfGame:
3015 /* User typed "moves" or "oldmoves" while we
3016 were idle. Pretend we asked for these
3017 moves and soak them up so user can step
3018 through them and/or save them.
3021 gameMode = IcsObserving;
3024 ics_getting_history = H_GOT_UNREQ_HEADER;
3026 case EditGame: /*?*/
3027 case EditPosition: /*?*/
3028 /* Should above feature work in these modes too? */
3029 /* For now it doesn't */
3030 ics_getting_history = H_GOT_UNWANTED_HEADER;
3033 ics_getting_history = H_GOT_UNWANTED_HEADER;
3038 /* Is this the right one? */
3039 if (gameInfo.white && gameInfo.black &&
3040 strcmp(gameInfo.white, star_match[0]) == 0 &&
3041 strcmp(gameInfo.black, star_match[2]) == 0) {
3043 ics_getting_history = H_GOT_REQ_HEADER;
3046 case H_GOT_REQ_HEADER:
3047 case H_GOT_UNREQ_HEADER:
3048 case H_GOT_UNWANTED_HEADER:
3049 case H_GETTING_MOVES:
3050 /* Should not happen */
3051 DisplayError(_("Error gathering move list: two headers"), 0);
3052 ics_getting_history = H_FALSE;
3056 /* Save player ratings into gameInfo if needed */
3057 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3058 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3059 (gameInfo.whiteRating == -1 ||
3060 gameInfo.blackRating == -1)) {
3062 gameInfo.whiteRating = string_to_rating(star_match[1]);
3063 gameInfo.blackRating = string_to_rating(star_match[3]);
3064 if (appData.debugMode)
3065 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3066 gameInfo.whiteRating, gameInfo.blackRating);
3071 if (looking_at(buf, &i,
3072 "* * match, initial time: * minute*, increment: * second")) {
3073 /* Header for a move list -- second line */
3074 /* Initial board will follow if this is a wild game */
3075 if (gameInfo.event != NULL) free(gameInfo.event);
3076 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3077 gameInfo.event = StrSave(str);
3078 /* [HGM] we switched variant. Translate boards if needed. */
3079 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3083 if (looking_at(buf, &i, "Move ")) {
3084 /* Beginning of a move list */
3085 switch (ics_getting_history) {
3087 /* Normally should not happen */
3088 /* Maybe user hit reset while we were parsing */
3091 /* Happens if we are ignoring a move list that is not
3092 * the one we just requested. Common if the user
3093 * tries to observe two games without turning off
3096 case H_GETTING_MOVES:
3097 /* Should not happen */
3098 DisplayError(_("Error gathering move list: nested"), 0);
3099 ics_getting_history = H_FALSE;
3101 case H_GOT_REQ_HEADER:
3102 ics_getting_history = H_GETTING_MOVES;
3103 started = STARTED_MOVES;
3105 if (oldi > next_out) {
3106 SendToPlayer(&buf[next_out], oldi - next_out);
3109 case H_GOT_UNREQ_HEADER:
3110 ics_getting_history = H_GETTING_MOVES;
3111 started = STARTED_MOVES_NOHIDE;
3114 case H_GOT_UNWANTED_HEADER:
3115 ics_getting_history = H_FALSE;
3121 if (looking_at(buf, &i, "% ") ||
3122 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3123 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3124 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3125 soughtPending = FALSE;
3129 if(suppressKibitz) next_out = i;
3130 savingComment = FALSE;
3134 case STARTED_MOVES_NOHIDE:
3135 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3136 parse[parse_pos + i - oldi] = NULLCHAR;
3137 ParseGameHistory(parse);
3139 if (appData.zippyPlay && first.initDone) {
3140 FeedMovesToProgram(&first, forwardMostMove);
3141 if (gameMode == IcsPlayingWhite) {
3142 if (WhiteOnMove(forwardMostMove)) {
3143 if (first.sendTime) {
3144 if (first.useColors) {
3145 SendToProgram("black\n", &first);
3147 SendTimeRemaining(&first, TRUE);
3149 if (first.useColors) {
3150 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3152 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3153 first.maybeThinking = TRUE;
3155 if (first.usePlayother) {
3156 if (first.sendTime) {
3157 SendTimeRemaining(&first, TRUE);
3159 SendToProgram("playother\n", &first);
3165 } else if (gameMode == IcsPlayingBlack) {
3166 if (!WhiteOnMove(forwardMostMove)) {
3167 if (first.sendTime) {
3168 if (first.useColors) {
3169 SendToProgram("white\n", &first);
3171 SendTimeRemaining(&first, FALSE);
3173 if (first.useColors) {
3174 SendToProgram("black\n", &first);
3176 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3177 first.maybeThinking = TRUE;
3179 if (first.usePlayother) {
3180 if (first.sendTime) {
3181 SendTimeRemaining(&first, FALSE);
3183 SendToProgram("playother\n", &first);
3192 if (gameMode == IcsObserving && ics_gamenum == -1) {
3193 /* Moves came from oldmoves or moves command
3194 while we weren't doing anything else.
3196 currentMove = forwardMostMove;
3197 ClearHighlights();/*!!could figure this out*/
3198 flipView = appData.flipView;
3199 DrawPosition(TRUE, boards[currentMove]);
3200 DisplayBothClocks();
3201 sprintf(str, "%s vs. %s",
3202 gameInfo.white, gameInfo.black);
3206 /* Moves were history of an active game */
3207 if (gameInfo.resultDetails != NULL) {
3208 free(gameInfo.resultDetails);
3209 gameInfo.resultDetails = NULL;
3212 HistorySet(parseList, backwardMostMove,
3213 forwardMostMove, currentMove-1);
3214 DisplayMove(currentMove - 1);
3215 if (started == STARTED_MOVES) next_out = i;
3216 started = STARTED_NONE;
3217 ics_getting_history = H_FALSE;
3220 case STARTED_OBSERVE:
3221 started = STARTED_NONE;
3222 SendToICS(ics_prefix);
3223 SendToICS("refresh\n");
3229 if(bookHit) { // [HGM] book: simulate book reply
3230 static char bookMove[MSG_SIZ]; // a bit generous?
3232 programStats.nodes = programStats.depth = programStats.time =
3233 programStats.score = programStats.got_only_move = 0;
3234 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3236 strcpy(bookMove, "move ");
3237 strcat(bookMove, bookHit);
3238 HandleMachineMove(bookMove, &first);
3243 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3244 started == STARTED_HOLDINGS ||
3245 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3246 /* Accumulate characters in move list or board */
3247 parse[parse_pos++] = buf[i];
3250 /* Start of game messages. Mostly we detect start of game
3251 when the first board image arrives. On some versions
3252 of the ICS, though, we need to do a "refresh" after starting
3253 to observe in order to get the current board right away. */
3254 if (looking_at(buf, &i, "Adding game * to observation list")) {
3255 started = STARTED_OBSERVE;
3259 /* Handle auto-observe */
3260 if (appData.autoObserve &&
3261 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3262 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3264 /* Choose the player that was highlighted, if any. */
3265 if (star_match[0][0] == '\033' ||
3266 star_match[1][0] != '\033') {
3267 player = star_match[0];
3269 player = star_match[2];
3271 sprintf(str, "%sobserve %s\n",
3272 ics_prefix, StripHighlightAndTitle(player));
3275 /* Save ratings from notify string */
3276 strcpy(player1Name, star_match[0]);
3277 player1Rating = string_to_rating(star_match[1]);
3278 strcpy(player2Name, star_match[2]);
3279 player2Rating = string_to_rating(star_match[3]);
3281 if (appData.debugMode)
3283 "Ratings from 'Game notification:' %s %d, %s %d\n",
3284 player1Name, player1Rating,
3285 player2Name, player2Rating);
3290 /* Deal with automatic examine mode after a game,
3291 and with IcsObserving -> IcsExamining transition */
3292 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3293 looking_at(buf, &i, "has made you an examiner of game *")) {
3295 int gamenum = atoi(star_match[0]);
3296 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3297 gamenum == ics_gamenum) {
3298 /* We were already playing or observing this game;
3299 no need to refetch history */
3300 gameMode = IcsExamining;
3302 pauseExamForwardMostMove = forwardMostMove;
3303 } else if (currentMove < forwardMostMove) {
3304 ForwardInner(forwardMostMove);
3307 /* I don't think this case really can happen */
3308 SendToICS(ics_prefix);
3309 SendToICS("refresh\n");
3314 /* Error messages */
3315 // if (ics_user_moved) {
3316 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3317 if (looking_at(buf, &i, "Illegal move") ||
3318 looking_at(buf, &i, "Not a legal move") ||
3319 looking_at(buf, &i, "Your king is in check") ||
3320 looking_at(buf, &i, "It isn't your turn") ||
3321 looking_at(buf, &i, "It is not your move")) {
3323 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3324 currentMove = forwardMostMove-1;
3325 DisplayMove(currentMove - 1); /* before DMError */
3326 DrawPosition(FALSE, boards[currentMove]);
3327 SwitchClocks(forwardMostMove-1); // [HGM] race
3328 DisplayBothClocks();
3330 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3336 if (looking_at(buf, &i, "still have time") ||
3337 looking_at(buf, &i, "not out of time") ||
3338 looking_at(buf, &i, "either player is out of time") ||
3339 looking_at(buf, &i, "has timeseal; checking")) {
3340 /* We must have called his flag a little too soon */
3341 whiteFlag = blackFlag = FALSE;
3345 if (looking_at(buf, &i, "added * seconds to") ||
3346 looking_at(buf, &i, "seconds were added to")) {
3347 /* Update the clocks */
3348 SendToICS(ics_prefix);
3349 SendToICS("refresh\n");
3353 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3354 ics_clock_paused = TRUE;
3359 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3360 ics_clock_paused = FALSE;
3365 /* Grab player ratings from the Creating: message.
3366 Note we have to check for the special case when
3367 the ICS inserts things like [white] or [black]. */
3368 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3369 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3371 0 player 1 name (not necessarily white)
3373 2 empty, white, or black (IGNORED)
3374 3 player 2 name (not necessarily black)
3377 The names/ratings are sorted out when the game
3378 actually starts (below).
3380 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3381 player1Rating = string_to_rating(star_match[1]);
3382 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3383 player2Rating = string_to_rating(star_match[4]);
3385 if (appData.debugMode)
3387 "Ratings from 'Creating:' %s %d, %s %d\n",
3388 player1Name, player1Rating,
3389 player2Name, player2Rating);
3394 /* Improved generic start/end-of-game messages */
3395 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3396 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3397 /* If tkind == 0: */
3398 /* star_match[0] is the game number */
3399 /* [1] is the white player's name */
3400 /* [2] is the black player's name */
3401 /* For end-of-game: */
3402 /* [3] is the reason for the game end */
3403 /* [4] is a PGN end game-token, preceded by " " */
3404 /* For start-of-game: */
3405 /* [3] begins with "Creating" or "Continuing" */
3406 /* [4] is " *" or empty (don't care). */
3407 int gamenum = atoi(star_match[0]);
3408 char *whitename, *blackname, *why, *endtoken;
3409 ChessMove endtype = (ChessMove) 0;
3412 whitename = star_match[1];
3413 blackname = star_match[2];
3414 why = star_match[3];
3415 endtoken = star_match[4];
3417 whitename = star_match[1];
3418 blackname = star_match[3];
3419 why = star_match[5];
3420 endtoken = star_match[6];
3423 /* Game start messages */
3424 if (strncmp(why, "Creating ", 9) == 0 ||
3425 strncmp(why, "Continuing ", 11) == 0) {
3426 gs_gamenum = gamenum;
3427 strcpy(gs_kind, strchr(why, ' ') + 1);
3428 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3430 if (appData.zippyPlay) {
3431 ZippyGameStart(whitename, blackname);
3437 /* Game end messages */
3438 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3439 ics_gamenum != gamenum) {
3442 while (endtoken[0] == ' ') endtoken++;
3443 switch (endtoken[0]) {
3446 endtype = GameUnfinished;
3449 endtype = BlackWins;
3452 if (endtoken[1] == '/')
3453 endtype = GameIsDrawn;
3455 endtype = WhiteWins;
3458 GameEnds(endtype, why, GE_ICS);
3460 if (appData.zippyPlay && first.initDone) {
3461 ZippyGameEnd(endtype, why);
3462 if (first.pr == NULL) {
3463 /* Start the next process early so that we'll
3464 be ready for the next challenge */
3465 StartChessProgram(&first);
3467 /* Send "new" early, in case this command takes
3468 a long time to finish, so that we'll be ready
3469 for the next challenge. */
3470 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3477 if (looking_at(buf, &i, "Removing game * from observation") ||
3478 looking_at(buf, &i, "no longer observing game *") ||
3479 looking_at(buf, &i, "Game * (*) has no examiners")) {
3480 if (gameMode == IcsObserving &&
3481 atoi(star_match[0]) == ics_gamenum)
3483 /* icsEngineAnalyze */
3484 if (appData.icsEngineAnalyze) {
3491 ics_user_moved = FALSE;
3496 if (looking_at(buf, &i, "no longer examining game *")) {
3497 if (gameMode == IcsExamining &&
3498 atoi(star_match[0]) == ics_gamenum)
3502 ics_user_moved = FALSE;
3507 /* Advance leftover_start past any newlines we find,
3508 so only partial lines can get reparsed */
3509 if (looking_at(buf, &i, "\n")) {
3510 prevColor = curColor;
3511 if (curColor != ColorNormal) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorNormal, FALSE);
3517 curColor = ColorNormal;
3519 if (started == STARTED_BOARD) {
3520 started = STARTED_NONE;
3521 parse[parse_pos] = NULLCHAR;
3522 ParseBoard12(parse);
3525 /* Send premove here */
3526 if (appData.premove) {
3528 if (currentMove == 0 &&
3529 gameMode == IcsPlayingWhite &&
3530 appData.premoveWhite) {
3531 sprintf(str, "%s\n", appData.premoveWhiteText);
3532 if (appData.debugMode)
3533 fprintf(debugFP, "Sending premove:\n");
3535 } else if (currentMove == 1 &&
3536 gameMode == IcsPlayingBlack &&
3537 appData.premoveBlack) {
3538 sprintf(str, "%s\n", appData.premoveBlackText);
3539 if (appData.debugMode)
3540 fprintf(debugFP, "Sending premove:\n");
3542 } else if (gotPremove) {
3544 ClearPremoveHighlights();
3545 if (appData.debugMode)
3546 fprintf(debugFP, "Sending premove:\n");
3547 UserMoveEvent(premoveFromX, premoveFromY,
3548 premoveToX, premoveToY,
3553 /* Usually suppress following prompt */
3554 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3555 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3556 if (looking_at(buf, &i, "*% ")) {
3557 savingComment = FALSE;
3562 } else if (started == STARTED_HOLDINGS) {
3564 char new_piece[MSG_SIZ];
3565 started = STARTED_NONE;
3566 parse[parse_pos] = NULLCHAR;
3567 if (appData.debugMode)
3568 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3569 parse, currentMove);
3570 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3571 gamenum == ics_gamenum) {
3572 if (gameInfo.variant == VariantNormal) {
3573 /* [HGM] We seem to switch variant during a game!
3574 * Presumably no holdings were displayed, so we have
3575 * to move the position two files to the right to
3576 * create room for them!
3578 VariantClass newVariant;
3579 switch(gameInfo.boardWidth) { // base guess on board width
3580 case 9: newVariant = VariantShogi; break;
3581 case 10: newVariant = VariantGreat; break;
3582 default: newVariant = VariantCrazyhouse; break;
3584 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3585 /* Get a move list just to see the header, which
3586 will tell us whether this is really bug or zh */
3587 if (ics_getting_history == H_FALSE) {
3588 ics_getting_history = H_REQUESTED;
3589 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3593 new_piece[0] = NULLCHAR;
3594 sscanf(parse, "game %d white [%s black [%s <- %s",
3595 &gamenum, white_holding, black_holding,
3597 white_holding[strlen(white_holding)-1] = NULLCHAR;
3598 black_holding[strlen(black_holding)-1] = NULLCHAR;
3599 /* [HGM] copy holdings to board holdings area */
3600 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3601 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3602 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3604 if (appData.zippyPlay && first.initDone) {
3605 ZippyHoldings(white_holding, black_holding,
3609 if (tinyLayout || smallLayout) {
3610 char wh[16], bh[16];
3611 PackHolding(wh, white_holding);
3612 PackHolding(bh, black_holding);
3613 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3614 gameInfo.white, gameInfo.black);
3616 sprintf(str, "%s [%s] vs. %s [%s]",
3617 gameInfo.white, white_holding,
3618 gameInfo.black, black_holding);
3621 DrawPosition(FALSE, boards[currentMove]);
3624 /* Suppress following prompt */
3625 if (looking_at(buf, &i, "*% ")) {
3626 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3627 savingComment = FALSE;
3635 i++; /* skip unparsed character and loop back */
3638 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3639 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3640 // SendToPlayer(&buf[next_out], i - next_out);
3641 started != STARTED_HOLDINGS && leftover_start > next_out) {
3642 SendToPlayer(&buf[next_out], leftover_start - next_out);
3646 leftover_len = buf_len - leftover_start;
3647 /* if buffer ends with something we couldn't parse,
3648 reparse it after appending the next read */
3650 } else if (count == 0) {
3651 RemoveInputSource(isr);
3652 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3654 DisplayFatalError(_("Error reading from ICS"), error, 1);
3659 /* Board style 12 looks like this:
3661 <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
3663 * The "<12> " is stripped before it gets to this routine. The two
3664 * trailing 0's (flip state and clock ticking) are later addition, and
3665 * some chess servers may not have them, or may have only the first.
3666 * Additional trailing fields may be added in the future.
3669 #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"
3671 #define RELATION_OBSERVING_PLAYED 0
3672 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3673 #define RELATION_PLAYING_MYMOVE 1
3674 #define RELATION_PLAYING_NOTMYMOVE -1
3675 #define RELATION_EXAMINING 2
3676 #define RELATION_ISOLATED_BOARD -3
3677 #define RELATION_STARTING_POSITION -4 /* FICS only */
3680 ParseBoard12(string)
3683 GameMode newGameMode;
3684 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3685 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3686 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3687 char to_play, board_chars[200];
3688 char move_str[500], str[500], elapsed_time[500];
3689 char black[32], white[32];
3691 int prevMove = currentMove;
3694 int fromX, fromY, toX, toY;
3696 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3697 char *bookHit = NULL; // [HGM] book
3698 Boolean weird = FALSE, reqFlag = FALSE;
3700 fromX = fromY = toX = toY = -1;
3704 if (appData.debugMode)
3705 fprintf(debugFP, _("Parsing board: %s\n"), string);
3707 move_str[0] = NULLCHAR;
3708 elapsed_time[0] = NULLCHAR;
3709 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3711 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3712 if(string[i] == ' ') { ranks++; files = 0; }
3714 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3717 for(j = 0; j <i; j++) board_chars[j] = string[j];
3718 board_chars[i] = '\0';
3721 n = sscanf(string, PATTERN, &to_play, &double_push,
3722 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3723 &gamenum, white, black, &relation, &basetime, &increment,
3724 &white_stren, &black_stren, &white_time, &black_time,
3725 &moveNum, str, elapsed_time, move_str, &ics_flip,
3729 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3730 DisplayError(str, 0);
3734 /* Convert the move number to internal form */
3735 moveNum = (moveNum - 1) * 2;
3736 if (to_play == 'B') moveNum++;
3737 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3738 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3744 case RELATION_OBSERVING_PLAYED:
3745 case RELATION_OBSERVING_STATIC:
3746 if (gamenum == -1) {
3747 /* Old ICC buglet */
3748 relation = RELATION_OBSERVING_STATIC;
3750 newGameMode = IcsObserving;
3752 case RELATION_PLAYING_MYMOVE:
3753 case RELATION_PLAYING_NOTMYMOVE:
3755 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3756 IcsPlayingWhite : IcsPlayingBlack;
3758 case RELATION_EXAMINING:
3759 newGameMode = IcsExamining;
3761 case RELATION_ISOLATED_BOARD:
3763 /* Just display this board. If user was doing something else,
3764 we will forget about it until the next board comes. */
3765 newGameMode = IcsIdle;
3767 case RELATION_STARTING_POSITION:
3768 newGameMode = gameMode;
3772 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3773 && newGameMode == IcsObserving && appData.bgObserve) {
3774 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3776 for (k = 0; k < ranks; k++) {
3777 for (j = 0; j < files; j++)
3778 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3779 if(gameInfo.holdingsWidth > 1) {
3780 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3781 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3784 CopyBoard(partnerBoard, board);
3785 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3786 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3787 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3788 DisplayMessage(buf, "");
3792 /* Modify behavior for initial board display on move listing
3795 switch (ics_getting_history) {
3799 case H_GOT_REQ_HEADER:
3800 case H_GOT_UNREQ_HEADER:
3801 /* This is the initial position of the current game */
3802 gamenum = ics_gamenum;
3803 moveNum = 0; /* old ICS bug workaround */
3804 if (to_play == 'B') {
3805 startedFromSetupPosition = TRUE;
3806 blackPlaysFirst = TRUE;
3808 if (forwardMostMove == 0) forwardMostMove = 1;
3809 if (backwardMostMove == 0) backwardMostMove = 1;
3810 if (currentMove == 0) currentMove = 1;
3812 newGameMode = gameMode;
3813 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3815 case H_GOT_UNWANTED_HEADER:
3816 /* This is an initial board that we don't want */
3818 case H_GETTING_MOVES:
3819 /* Should not happen */
3820 DisplayError(_("Error gathering move list: extra board"), 0);
3821 ics_getting_history = H_FALSE;
3825 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3826 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3827 /* [HGM] We seem to have switched variant unexpectedly
3828 * Try to guess new variant from board size
3830 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3831 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3832 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3833 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3834 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3835 if(!weird) newVariant = VariantNormal;
3836 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3837 /* Get a move list just to see the header, which
3838 will tell us whether this is really bug or zh */
3839 if (ics_getting_history == H_FALSE) {
3840 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3841 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3846 /* Take action if this is the first board of a new game, or of a
3847 different game than is currently being displayed. */
3848 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3849 relation == RELATION_ISOLATED_BOARD) {
3851 /* Forget the old game and get the history (if any) of the new one */
3852 if (gameMode != BeginningOfGame) {
3856 if (appData.autoRaiseBoard) BoardToTop();
3858 if (gamenum == -1) {
3859 newGameMode = IcsIdle;
3860 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3861 appData.getMoveList && !reqFlag) {
3862 /* Need to get game history */
3863 ics_getting_history = H_REQUESTED;
3864 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3868 /* Initially flip the board to have black on the bottom if playing
3869 black or if the ICS flip flag is set, but let the user change
3870 it with the Flip View button. */
3871 flipView = appData.autoFlipView ?
3872 (newGameMode == IcsPlayingBlack) || ics_flip :
3875 /* Done with values from previous mode; copy in new ones */
3876 gameMode = newGameMode;
3878 ics_gamenum = gamenum;
3879 if (gamenum == gs_gamenum) {
3880 int klen = strlen(gs_kind);
3881 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3882 sprintf(str, "ICS %s", gs_kind);
3883 gameInfo.event = StrSave(str);
3885 gameInfo.event = StrSave("ICS game");
3887 gameInfo.site = StrSave(appData.icsHost);
3888 gameInfo.date = PGNDate();
3889 gameInfo.round = StrSave("-");
3890 gameInfo.white = StrSave(white);
3891 gameInfo.black = StrSave(black);
3892 timeControl = basetime * 60 * 1000;
3894 timeIncrement = increment * 1000;
3895 movesPerSession = 0;
3896 gameInfo.timeControl = TimeControlTagValue();
3897 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3898 if (appData.debugMode) {
3899 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3900 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3901 setbuf(debugFP, NULL);
3904 gameInfo.outOfBook = NULL;
3906 /* Do we have the ratings? */
3907 if (strcmp(player1Name, white) == 0 &&
3908 strcmp(player2Name, black) == 0) {
3909 if (appData.debugMode)
3910 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3911 player1Rating, player2Rating);
3912 gameInfo.whiteRating = player1Rating;
3913 gameInfo.blackRating = player2Rating;
3914 } else if (strcmp(player2Name, white) == 0 &&
3915 strcmp(player1Name, black) == 0) {
3916 if (appData.debugMode)
3917 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3918 player2Rating, player1Rating);
3919 gameInfo.whiteRating = player2Rating;
3920 gameInfo.blackRating = player1Rating;
3922 player1Name[0] = player2Name[0] = NULLCHAR;
3924 /* Silence shouts if requested */
3925 if (appData.quietPlay &&
3926 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3927 SendToICS(ics_prefix);
3928 SendToICS("set shout 0\n");
3932 /* Deal with midgame name changes */
3934 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3935 if (gameInfo.white) free(gameInfo.white);
3936 gameInfo.white = StrSave(white);
3938 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3939 if (gameInfo.black) free(gameInfo.black);
3940 gameInfo.black = StrSave(black);
3944 /* Throw away game result if anything actually changes in examine mode */
3945 if (gameMode == IcsExamining && !newGame) {
3946 gameInfo.result = GameUnfinished;
3947 if (gameInfo.resultDetails != NULL) {
3948 free(gameInfo.resultDetails);
3949 gameInfo.resultDetails = NULL;
3953 /* In pausing && IcsExamining mode, we ignore boards coming
3954 in if they are in a different variation than we are. */
3955 if (pauseExamInvalid) return;
3956 if (pausing && gameMode == IcsExamining) {
3957 if (moveNum <= pauseExamForwardMostMove) {
3958 pauseExamInvalid = TRUE;
3959 forwardMostMove = pauseExamForwardMostMove;
3964 if (appData.debugMode) {
3965 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3967 /* Parse the board */
3968 for (k = 0; k < ranks; k++) {
3969 for (j = 0; j < files; j++)
3970 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3971 if(gameInfo.holdingsWidth > 1) {
3972 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3973 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3976 CopyBoard(boards[moveNum], board);
3977 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3979 startedFromSetupPosition =
3980 !CompareBoards(board, initialPosition);
3981 if(startedFromSetupPosition)
3982 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3985 /* [HGM] Set castling rights. Take the outermost Rooks,
3986 to make it also work for FRC opening positions. Note that board12
3987 is really defective for later FRC positions, as it has no way to
3988 indicate which Rook can castle if they are on the same side of King.
3989 For the initial position we grant rights to the outermost Rooks,
3990 and remember thos rights, and we then copy them on positions
3991 later in an FRC game. This means WB might not recognize castlings with
3992 Rooks that have moved back to their original position as illegal,
3993 but in ICS mode that is not its job anyway.
3995 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3996 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
3998 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
3999 if(board[0][i] == WhiteRook) j = i;
4000 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4001 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4002 if(board[0][i] == WhiteRook) j = i;
4003 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4004 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4005 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4006 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4007 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4008 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4009 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4011 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4012 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4013 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4014 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4015 if(board[BOARD_HEIGHT-1][k] == bKing)
4016 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4017 if(gameInfo.variant == VariantTwoKings) {
4018 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4019 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4020 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4023 r = boards[moveNum][CASTLING][0] = initialRights[0];
4024 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4025 r = boards[moveNum][CASTLING][1] = initialRights[1];
4026 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4027 r = boards[moveNum][CASTLING][3] = initialRights[3];
4028 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4029 r = boards[moveNum][CASTLING][4] = initialRights[4];
4030 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4031 /* wildcastle kludge: always assume King has rights */
4032 r = boards[moveNum][CASTLING][2] = initialRights[2];
4033 r = boards[moveNum][CASTLING][5] = initialRights[5];
4035 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4036 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4039 if (ics_getting_history == H_GOT_REQ_HEADER ||
4040 ics_getting_history == H_GOT_UNREQ_HEADER) {
4041 /* This was an initial position from a move list, not
4042 the current position */
4046 /* Update currentMove and known move number limits */
4047 newMove = newGame || moveNum > forwardMostMove;
4050 forwardMostMove = backwardMostMove = currentMove = moveNum;
4051 if (gameMode == IcsExamining && moveNum == 0) {
4052 /* Workaround for ICS limitation: we are not told the wild
4053 type when starting to examine a game. But if we ask for
4054 the move list, the move list header will tell us */
4055 ics_getting_history = H_REQUESTED;
4056 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4059 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4060 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4062 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4063 /* [HGM] applied this also to an engine that is silently watching */
4064 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4065 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4066 gameInfo.variant == currentlyInitializedVariant) {
4067 takeback = forwardMostMove - moveNum;
4068 for (i = 0; i < takeback; i++) {
4069 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4070 SendToProgram("undo\n", &first);
4075 forwardMostMove = moveNum;
4076 if (!pausing || currentMove > forwardMostMove)
4077 currentMove = forwardMostMove;
4079 /* New part of history that is not contiguous with old part */
4080 if (pausing && gameMode == IcsExamining) {
4081 pauseExamInvalid = TRUE;
4082 forwardMostMove = pauseExamForwardMostMove;
4085 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4087 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4088 // [HGM] when we will receive the move list we now request, it will be
4089 // fed to the engine from the first move on. So if the engine is not
4090 // in the initial position now, bring it there.
4091 InitChessProgram(&first, 0);
4094 ics_getting_history = H_REQUESTED;
4095 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4098 forwardMostMove = backwardMostMove = currentMove = moveNum;
4101 /* Update the clocks */
4102 if (strchr(elapsed_time, '.')) {
4104 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4105 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4107 /* Time is in seconds */
4108 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4109 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4114 if (appData.zippyPlay && newGame &&
4115 gameMode != IcsObserving && gameMode != IcsIdle &&
4116 gameMode != IcsExamining)
4117 ZippyFirstBoard(moveNum, basetime, increment);
4120 /* Put the move on the move list, first converting
4121 to canonical algebraic form. */
4123 if (appData.debugMode) {
4124 if (appData.debugMode) { int f = forwardMostMove;
4125 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4126 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4127 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4129 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4130 fprintf(debugFP, "moveNum = %d\n", moveNum);
4131 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4132 setbuf(debugFP, NULL);
4134 if (moveNum <= backwardMostMove) {
4135 /* We don't know what the board looked like before
4137 strcpy(parseList[moveNum - 1], move_str);
4138 strcat(parseList[moveNum - 1], " ");
4139 strcat(parseList[moveNum - 1], elapsed_time);
4140 moveList[moveNum - 1][0] = NULLCHAR;
4141 } else if (strcmp(move_str, "none") == 0) {
4142 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4143 /* Again, we don't know what the board looked like;
4144 this is really the start of the game. */
4145 parseList[moveNum - 1][0] = NULLCHAR;
4146 moveList[moveNum - 1][0] = NULLCHAR;
4147 backwardMostMove = moveNum;
4148 startedFromSetupPosition = TRUE;
4149 fromX = fromY = toX = toY = -1;
4151 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4152 // So we parse the long-algebraic move string in stead of the SAN move
4153 int valid; char buf[MSG_SIZ], *prom;
4155 // str looks something like "Q/a1-a2"; kill the slash
4157 sprintf(buf, "%c%s", str[0], str+2);
4158 else strcpy(buf, str); // might be castling
4159 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4160 strcat(buf, prom); // long move lacks promo specification!
4161 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4162 if(appData.debugMode)
4163 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4164 strcpy(move_str, buf);
4166 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4167 &fromX, &fromY, &toX, &toY, &promoChar)
4168 || ParseOneMove(buf, moveNum - 1, &moveType,
4169 &fromX, &fromY, &toX, &toY, &promoChar);
4170 // end of long SAN patch
4172 (void) CoordsToAlgebraic(boards[moveNum - 1],
4173 PosFlags(moveNum - 1),
4174 fromY, fromX, toY, toX, promoChar,
4175 parseList[moveNum-1]);
4176 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4182 if(gameInfo.variant != VariantShogi)
4183 strcat(parseList[moveNum - 1], "+");
4186 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4187 strcat(parseList[moveNum - 1], "#");
4190 strcat(parseList[moveNum - 1], " ");
4191 strcat(parseList[moveNum - 1], elapsed_time);
4192 /* currentMoveString is set as a side-effect of ParseOneMove */
4193 strcpy(moveList[moveNum - 1], currentMoveString);
4194 strcat(moveList[moveNum - 1], "\n");
4196 /* Move from ICS was illegal!? Punt. */
4197 if (appData.debugMode) {
4198 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4199 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4201 strcpy(parseList[moveNum - 1], move_str);
4202 strcat(parseList[moveNum - 1], " ");
4203 strcat(parseList[moveNum - 1], elapsed_time);
4204 moveList[moveNum - 1][0] = NULLCHAR;
4205 fromX = fromY = toX = toY = -1;
4208 if (appData.debugMode) {
4209 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4210 setbuf(debugFP, NULL);
4214 /* Send move to chess program (BEFORE animating it). */
4215 if (appData.zippyPlay && !newGame && newMove &&
4216 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4218 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4219 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4220 if (moveList[moveNum - 1][0] == NULLCHAR) {
4221 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4223 DisplayError(str, 0);
4225 if (first.sendTime) {
4226 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4228 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4229 if (firstMove && !bookHit) {
4231 if (first.useColors) {
4232 SendToProgram(gameMode == IcsPlayingWhite ?
4234 "black\ngo\n", &first);
4236 SendToProgram("go\n", &first);
4238 first.maybeThinking = TRUE;
4241 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4242 if (moveList[moveNum - 1][0] == NULLCHAR) {
4243 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4244 DisplayError(str, 0);
4246 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4247 SendMoveToProgram(moveNum - 1, &first);
4254 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4255 /* If move comes from a remote source, animate it. If it
4256 isn't remote, it will have already been animated. */
4257 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4258 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4260 if (!pausing && appData.highlightLastMove) {
4261 SetHighlights(fromX, fromY, toX, toY);
4265 /* Start the clocks */
4266 whiteFlag = blackFlag = FALSE;
4267 appData.clockMode = !(basetime == 0 && increment == 0);
4269 ics_clock_paused = TRUE;
4271 } else if (ticking == 1) {
4272 ics_clock_paused = FALSE;
4274 if (gameMode == IcsIdle ||
4275 relation == RELATION_OBSERVING_STATIC ||
4276 relation == RELATION_EXAMINING ||
4278 DisplayBothClocks();
4282 /* Display opponents and material strengths */
4283 if (gameInfo.variant != VariantBughouse &&
4284 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4285 if (tinyLayout || smallLayout) {
4286 if(gameInfo.variant == VariantNormal)
4287 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4288 gameInfo.white, white_stren, gameInfo.black, black_stren,
4289 basetime, increment);
4291 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4292 gameInfo.white, white_stren, gameInfo.black, black_stren,
4293 basetime, increment, (int) gameInfo.variant);
4295 if(gameInfo.variant == VariantNormal)
4296 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4297 gameInfo.white, white_stren, gameInfo.black, black_stren,
4298 basetime, increment);
4300 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4301 gameInfo.white, white_stren, gameInfo.black, black_stren,
4302 basetime, increment, VariantName(gameInfo.variant));
4305 if (appData.debugMode) {
4306 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4311 /* Display the board */
4312 if (!pausing && !appData.noGUI) {
4314 if (appData.premove)
4316 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4317 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4318 ClearPremoveHighlights();
4320 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4321 DrawPosition(j, boards[currentMove]);
4323 DisplayMove(moveNum - 1);
4324 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4325 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4326 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4327 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4331 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4333 if(bookHit) { // [HGM] book: simulate book reply
4334 static char bookMove[MSG_SIZ]; // a bit generous?
4336 programStats.nodes = programStats.depth = programStats.time =
4337 programStats.score = programStats.got_only_move = 0;
4338 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4340 strcpy(bookMove, "move ");
4341 strcat(bookMove, bookHit);
4342 HandleMachineMove(bookMove, &first);
4351 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4352 ics_getting_history = H_REQUESTED;
4353 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4359 AnalysisPeriodicEvent(force)
4362 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4363 && !force) || !appData.periodicUpdates)
4366 /* Send . command to Crafty to collect stats */
4367 SendToProgram(".\n", &first);
4369 /* Don't send another until we get a response (this makes
4370 us stop sending to old Crafty's which don't understand
4371 the "." command (sending illegal cmds resets node count & time,
4372 which looks bad)) */
4373 programStats.ok_to_send = 0;
4376 void ics_update_width(new_width)
4379 ics_printf("set width %d\n", new_width);
4383 SendMoveToProgram(moveNum, cps)
4385 ChessProgramState *cps;
4389 if (cps->useUsermove) {
4390 SendToProgram("usermove ", cps);
4394 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4395 int len = space - parseList[moveNum];
4396 memcpy(buf, parseList[moveNum], len);
4398 buf[len] = NULLCHAR;
4400 sprintf(buf, "%s\n", parseList[moveNum]);
4402 SendToProgram(buf, cps);
4404 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4405 AlphaRank(moveList[moveNum], 4);
4406 SendToProgram(moveList[moveNum], cps);
4407 AlphaRank(moveList[moveNum], 4); // and back
4409 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4410 * the engine. It would be nice to have a better way to identify castle
4412 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4413 && cps->useOOCastle) {
4414 int fromX = moveList[moveNum][0] - AAA;
4415 int fromY = moveList[moveNum][1] - ONE;
4416 int toX = moveList[moveNum][2] - AAA;
4417 int toY = moveList[moveNum][3] - ONE;
4418 if((boards[moveNum][fromY][fromX] == WhiteKing
4419 && boards[moveNum][toY][toX] == WhiteRook)
4420 || (boards[moveNum][fromY][fromX] == BlackKing
4421 && boards[moveNum][toY][toX] == BlackRook)) {
4422 if(toX > fromX) SendToProgram("O-O\n", cps);
4423 else SendToProgram("O-O-O\n", cps);
4425 else SendToProgram(moveList[moveNum], cps);
4427 else SendToProgram(moveList[moveNum], cps);
4428 /* End of additions by Tord */
4431 /* [HGM] setting up the opening has brought engine in force mode! */
4432 /* Send 'go' if we are in a mode where machine should play. */
4433 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4434 (gameMode == TwoMachinesPlay ||
4436 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4438 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4439 SendToProgram("go\n", cps);
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "(extra)\n");
4444 setboardSpoiledMachineBlack = 0;
4448 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4450 int fromX, fromY, toX, toY;
4452 char user_move[MSG_SIZ];
4456 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4457 (int)moveType, fromX, fromY, toX, toY);
4458 DisplayError(user_move + strlen("say "), 0);
4460 case WhiteKingSideCastle:
4461 case BlackKingSideCastle:
4462 case WhiteQueenSideCastleWild:
4463 case BlackQueenSideCastleWild:
4465 case WhiteHSideCastleFR:
4466 case BlackHSideCastleFR:
4468 sprintf(user_move, "o-o\n");
4470 case WhiteQueenSideCastle:
4471 case BlackQueenSideCastle:
4472 case WhiteKingSideCastleWild:
4473 case BlackKingSideCastleWild:
4475 case WhiteASideCastleFR:
4476 case BlackASideCastleFR:
4478 sprintf(user_move, "o-o-o\n");
4480 case WhitePromotionQueen:
4481 case BlackPromotionQueen:
4482 case WhitePromotionRook:
4483 case BlackPromotionRook:
4484 case WhitePromotionBishop:
4485 case BlackPromotionBishop:
4486 case WhitePromotionKnight:
4487 case BlackPromotionKnight:
4488 case WhitePromotionKing:
4489 case BlackPromotionKing:
4490 case WhitePromotionChancellor:
4491 case BlackPromotionChancellor:
4492 case WhitePromotionArchbishop:
4493 case BlackPromotionArchbishop:
4494 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4495 sprintf(user_move, "%c%c%c%c=%c\n",
4496 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4497 PieceToChar(WhiteFerz));
4498 else if(gameInfo.variant == VariantGreat)
4499 sprintf(user_move, "%c%c%c%c=%c\n",
4500 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4501 PieceToChar(WhiteMan));
4503 sprintf(user_move, "%c%c%c%c=%c\n",
4504 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4505 PieceToChar(PromoPiece(moveType)));
4509 sprintf(user_move, "%c@%c%c\n",
4510 ToUpper(PieceToChar((ChessSquare) fromX)),
4511 AAA + toX, ONE + toY);
4514 case WhiteCapturesEnPassant:
4515 case BlackCapturesEnPassant:
4516 case IllegalMove: /* could be a variant we don't quite understand */
4517 sprintf(user_move, "%c%c%c%c\n",
4518 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4521 SendToICS(user_move);
4522 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4523 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4527 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4532 if (rf == DROP_RANK) {
4533 sprintf(move, "%c@%c%c\n",
4534 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4536 if (promoChar == 'x' || promoChar == NULLCHAR) {
4537 sprintf(move, "%c%c%c%c\n",
4538 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4540 sprintf(move, "%c%c%c%c%c\n",
4541 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4547 ProcessICSInitScript(f)
4552 while (fgets(buf, MSG_SIZ, f)) {
4553 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4560 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4562 AlphaRank(char *move, int n)
4564 // char *p = move, c; int x, y;
4566 if (appData.debugMode) {
4567 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4571 move[2]>='0' && move[2]<='9' &&
4572 move[3]>='a' && move[3]<='x' ) {
4574 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4575 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4577 if(move[0]>='0' && move[0]<='9' &&
4578 move[1]>='a' && move[1]<='x' &&
4579 move[2]>='0' && move[2]<='9' &&
4580 move[3]>='a' && move[3]<='x' ) {
4581 /* input move, Shogi -> normal */
4582 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4583 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4584 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4585 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4588 move[3]>='0' && move[3]<='9' &&
4589 move[2]>='a' && move[2]<='x' ) {
4591 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4592 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4595 move[0]>='a' && move[0]<='x' &&
4596 move[3]>='0' && move[3]<='9' &&
4597 move[2]>='a' && move[2]<='x' ) {
4598 /* output move, normal -> Shogi */
4599 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4600 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4601 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4602 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4603 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4605 if (appData.debugMode) {
4606 fprintf(debugFP, " out = '%s'\n", move);
4610 /* Parser for moves from gnuchess, ICS, or user typein box */
4612 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4615 ChessMove *moveType;
4616 int *fromX, *fromY, *toX, *toY;
4619 if (appData.debugMode) {
4620 fprintf(debugFP, "move to parse: %s\n", move);
4622 *moveType = yylexstr(moveNum, move);
4624 switch (*moveType) {
4625 case WhitePromotionChancellor:
4626 case BlackPromotionChancellor:
4627 case WhitePromotionArchbishop:
4628 case BlackPromotionArchbishop:
4629 case WhitePromotionQueen:
4630 case BlackPromotionQueen:
4631 case WhitePromotionRook:
4632 case BlackPromotionRook:
4633 case WhitePromotionBishop:
4634 case BlackPromotionBishop:
4635 case WhitePromotionKnight:
4636 case BlackPromotionKnight:
4637 case WhitePromotionKing:
4638 case BlackPromotionKing:
4640 case WhiteCapturesEnPassant:
4641 case BlackCapturesEnPassant:
4642 case WhiteKingSideCastle:
4643 case WhiteQueenSideCastle:
4644 case BlackKingSideCastle:
4645 case BlackQueenSideCastle:
4646 case WhiteKingSideCastleWild:
4647 case WhiteQueenSideCastleWild:
4648 case BlackKingSideCastleWild:
4649 case BlackQueenSideCastleWild:
4650 /* Code added by Tord: */
4651 case WhiteHSideCastleFR:
4652 case WhiteASideCastleFR:
4653 case BlackHSideCastleFR:
4654 case BlackASideCastleFR:
4655 /* End of code added by Tord */
4656 case IllegalMove: /* bug or odd chess variant */
4657 *fromX = currentMoveString[0] - AAA;
4658 *fromY = currentMoveString[1] - ONE;
4659 *toX = currentMoveString[2] - AAA;
4660 *toY = currentMoveString[3] - ONE;
4661 *promoChar = currentMoveString[4];
4662 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4663 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4664 if (appData.debugMode) {
4665 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4667 *fromX = *fromY = *toX = *toY = 0;
4670 if (appData.testLegality) {
4671 return (*moveType != IllegalMove);
4673 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4674 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4679 *fromX = *moveType == WhiteDrop ?
4680 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4681 (int) CharToPiece(ToLower(currentMoveString[0]));
4683 *toX = currentMoveString[2] - AAA;
4684 *toY = currentMoveString[3] - ONE;
4685 *promoChar = NULLCHAR;
4689 case ImpossibleMove:
4690 case (ChessMove) 0: /* end of file */
4699 if (appData.debugMode) {
4700 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4703 *fromX = *fromY = *toX = *toY = 0;
4704 *promoChar = NULLCHAR;
4712 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4713 int fromX, fromY, toX, toY; char promoChar;
4718 endPV = forwardMostMove;
4720 while(*pv == ' ') pv++;
4721 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4722 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4723 if(appData.debugMode){
4724 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4726 if(!valid && nr == 0 &&
4727 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4728 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4730 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4731 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4733 if(endPV+1 > framePtr) break; // no space, truncate
4736 CopyBoard(boards[endPV], boards[endPV-1]);
4737 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4738 moveList[endPV-1][0] = fromX + AAA;
4739 moveList[endPV-1][1] = fromY + ONE;
4740 moveList[endPV-1][2] = toX + AAA;
4741 moveList[endPV-1][3] = toY + ONE;
4742 parseList[endPV-1][0] = NULLCHAR;
4744 currentMove = endPV;
4745 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4746 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4747 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4748 DrawPosition(TRUE, boards[currentMove]);
4751 static int lastX, lastY;
4754 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4758 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4759 lastX = x; lastY = y;
4760 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4762 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4764 while(buf[index] && buf[index] != '\n') index++;
4766 ParsePV(buf+startPV);
4767 *start = startPV; *end = index-1;
4772 LoadPV(int x, int y)
4773 { // called on right mouse click to load PV
4774 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4775 lastX = x; lastY = y;
4776 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4783 if(endPV < 0) return;
4785 currentMove = forwardMostMove;
4786 ClearPremoveHighlights();
4787 DrawPosition(TRUE, boards[currentMove]);
4791 MovePV(int x, int y, int h)
4792 { // step through PV based on mouse coordinates (called on mouse move)
4793 int margin = h>>3, step = 0;
4795 if(endPV < 0) return;
4796 // we must somehow check if right button is still down (might be released off board!)
4797 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4798 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4799 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4801 lastX = x; lastY = y;
4802 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4803 currentMove += step;
4804 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4805 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4806 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4807 DrawPosition(FALSE, boards[currentMove]);
4811 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4812 // All positions will have equal probability, but the current method will not provide a unique
4813 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4819 int piecesLeft[(int)BlackPawn];
4820 int seed, nrOfShuffles;
4822 void GetPositionNumber()
4823 { // sets global variable seed
4826 seed = appData.defaultFrcPosition;
4827 if(seed < 0) { // randomize based on time for negative FRC position numbers
4828 for(i=0; i<50; i++) seed += random();
4829 seed = random() ^ random() >> 8 ^ random() << 8;
4830 if(seed<0) seed = -seed;
4834 int put(Board board, int pieceType, int rank, int n, int shade)
4835 // put the piece on the (n-1)-th empty squares of the given shade
4839 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4840 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4841 board[rank][i] = (ChessSquare) pieceType;
4842 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4844 piecesLeft[pieceType]--;
4852 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4853 // calculate where the next piece goes, (any empty square), and put it there
4857 i = seed % squaresLeft[shade];
4858 nrOfShuffles *= squaresLeft[shade];
4859 seed /= squaresLeft[shade];
4860 put(board, pieceType, rank, i, shade);
4863 void AddTwoPieces(Board board, int pieceType, int rank)
4864 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4866 int i, n=squaresLeft[ANY], j=n-1, k;
4868 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4869 i = seed % k; // pick one
4872 while(i >= j) i -= j--;
4873 j = n - 1 - j; i += j;
4874 put(board, pieceType, rank, j, ANY);
4875 put(board, pieceType, rank, i, ANY);
4878 void SetUpShuffle(Board board, int number)
4882 GetPositionNumber(); nrOfShuffles = 1;
4884 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4885 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4886 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4888 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4890 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4891 p = (int) board[0][i];
4892 if(p < (int) BlackPawn) piecesLeft[p] ++;
4893 board[0][i] = EmptySquare;
4896 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4897 // shuffles restricted to allow normal castling put KRR first
4898 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4899 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4900 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4901 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4902 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4903 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4904 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4905 put(board, WhiteRook, 0, 0, ANY);
4906 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4909 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4910 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4911 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4912 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4913 while(piecesLeft[p] >= 2) {
4914 AddOnePiece(board, p, 0, LITE);
4915 AddOnePiece(board, p, 0, DARK);
4917 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4920 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4921 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4922 // but we leave King and Rooks for last, to possibly obey FRC restriction
4923 if(p == (int)WhiteRook) continue;
4924 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4925 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4928 // now everything is placed, except perhaps King (Unicorn) and Rooks
4930 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4931 // Last King gets castling rights
4932 while(piecesLeft[(int)WhiteUnicorn]) {
4933 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4934 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4937 while(piecesLeft[(int)WhiteKing]) {
4938 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4939 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4944 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4945 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4948 // Only Rooks can be left; simply place them all
4949 while(piecesLeft[(int)WhiteRook]) {
4950 i = put(board, WhiteRook, 0, 0, ANY);
4951 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4954 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4956 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4959 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4960 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4963 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4966 int SetCharTable( char *table, const char * map )
4967 /* [HGM] moved here from winboard.c because of its general usefulness */
4968 /* Basically a safe strcpy that uses the last character as King */
4970 int result = FALSE; int NrPieces;
4972 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4973 && NrPieces >= 12 && !(NrPieces&1)) {
4974 int i; /* [HGM] Accept even length from 12 to 34 */
4976 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4977 for( i=0; i<NrPieces/2-1; i++ ) {
4979 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4981 table[(int) WhiteKing] = map[NrPieces/2-1];
4982 table[(int) BlackKing] = map[NrPieces-1];
4990 void Prelude(Board board)
4991 { // [HGM] superchess: random selection of exo-pieces
4992 int i, j, k; ChessSquare p;
4993 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4995 GetPositionNumber(); // use FRC position number
4997 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
4998 SetCharTable(pieceToChar, appData.pieceToCharTable);
4999 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5000 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5003 j = seed%4; seed /= 4;
5004 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5005 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5006 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5007 j = seed%3 + (seed%3 >= j); seed /= 3;
5008 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5009 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5010 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5011 j = seed%3; seed /= 3;
5012 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5013 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5014 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5015 j = seed%2 + (seed%2 >= j); seed /= 2;
5016 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5017 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5018 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5019 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5020 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5021 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5022 put(board, exoPieces[0], 0, 0, ANY);
5023 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5027 InitPosition(redraw)
5030 ChessSquare (* pieces)[BOARD_FILES];
5031 int i, j, pawnRow, overrule,
5032 oldx = gameInfo.boardWidth,
5033 oldy = gameInfo.boardHeight,
5034 oldh = gameInfo.holdingsWidth,
5035 oldv = gameInfo.variant;
5037 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5039 /* [AS] Initialize pv info list [HGM] and game status */
5041 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5042 pvInfoList[i].depth = 0;
5043 boards[i][EP_STATUS] = EP_NONE;
5044 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5047 initialRulePlies = 0; /* 50-move counter start */
5049 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5050 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5054 /* [HGM] logic here is completely changed. In stead of full positions */
5055 /* the initialized data only consist of the two backranks. The switch */
5056 /* selects which one we will use, which is than copied to the Board */
5057 /* initialPosition, which for the rest is initialized by Pawns and */
5058 /* empty squares. This initial position is then copied to boards[0], */
5059 /* possibly after shuffling, so that it remains available. */
5061 gameInfo.holdingsWidth = 0; /* default board sizes */
5062 gameInfo.boardWidth = 8;
5063 gameInfo.boardHeight = 8;
5064 gameInfo.holdingsSize = 0;
5065 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5066 for(i=0; i<BOARD_FILES-2; i++)
5067 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5068 initialPosition[EP_STATUS] = EP_NONE;
5069 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5071 switch (gameInfo.variant) {
5072 case VariantFischeRandom:
5073 shuffleOpenings = TRUE;
5077 case VariantShatranj:
5078 pieces = ShatranjArray;
5079 nrCastlingRights = 0;
5080 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5083 pieces = makrukArray;
5084 nrCastlingRights = 0;
5085 startedFromSetupPosition = TRUE;
5086 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5088 case VariantTwoKings:
5089 pieces = twoKingsArray;
5091 case VariantCapaRandom:
5092 shuffleOpenings = TRUE;
5093 case VariantCapablanca:
5094 pieces = CapablancaArray;
5095 gameInfo.boardWidth = 10;
5096 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5099 pieces = GothicArray;
5100 gameInfo.boardWidth = 10;
5101 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5104 pieces = JanusArray;
5105 gameInfo.boardWidth = 10;
5106 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5107 nrCastlingRights = 6;
5108 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5109 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5110 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5111 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5112 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5113 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5116 pieces = FalconArray;
5117 gameInfo.boardWidth = 10;
5118 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5120 case VariantXiangqi:
5121 pieces = XiangqiArray;
5122 gameInfo.boardWidth = 9;
5123 gameInfo.boardHeight = 10;
5124 nrCastlingRights = 0;
5125 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5128 pieces = ShogiArray;
5129 gameInfo.boardWidth = 9;
5130 gameInfo.boardHeight = 9;
5131 gameInfo.holdingsSize = 7;
5132 nrCastlingRights = 0;
5133 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5135 case VariantCourier:
5136 pieces = CourierArray;
5137 gameInfo.boardWidth = 12;
5138 nrCastlingRights = 0;
5139 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5141 case VariantKnightmate:
5142 pieces = KnightmateArray;
5143 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5146 pieces = fairyArray;
5147 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5150 pieces = GreatArray;
5151 gameInfo.boardWidth = 10;
5152 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5153 gameInfo.holdingsSize = 8;
5157 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5158 gameInfo.holdingsSize = 8;
5159 startedFromSetupPosition = TRUE;
5161 case VariantCrazyhouse:
5162 case VariantBughouse:
5164 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5165 gameInfo.holdingsSize = 5;
5167 case VariantWildCastle:
5169 /* !!?shuffle with kings guaranteed to be on d or e file */
5170 shuffleOpenings = 1;
5172 case VariantNoCastle:
5174 nrCastlingRights = 0;
5175 /* !!?unconstrained back-rank shuffle */
5176 shuffleOpenings = 1;
5181 if(appData.NrFiles >= 0) {
5182 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5183 gameInfo.boardWidth = appData.NrFiles;
5185 if(appData.NrRanks >= 0) {
5186 gameInfo.boardHeight = appData.NrRanks;
5188 if(appData.holdingsSize >= 0) {
5189 i = appData.holdingsSize;
5190 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5191 gameInfo.holdingsSize = i;
5193 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5194 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5195 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5197 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5198 if(pawnRow < 1) pawnRow = 1;
5199 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5201 /* User pieceToChar list overrules defaults */
5202 if(appData.pieceToCharTable != NULL)
5203 SetCharTable(pieceToChar, appData.pieceToCharTable);
5205 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5207 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5208 s = (ChessSquare) 0; /* account holding counts in guard band */
5209 for( i=0; i<BOARD_HEIGHT; i++ )
5210 initialPosition[i][j] = s;
5212 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5213 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5214 initialPosition[pawnRow][j] = WhitePawn;
5215 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5216 if(gameInfo.variant == VariantXiangqi) {
5218 initialPosition[pawnRow][j] =
5219 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5220 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5221 initialPosition[2][j] = WhiteCannon;
5222 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5226 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5228 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5231 initialPosition[1][j] = WhiteBishop;
5232 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5234 initialPosition[1][j] = WhiteRook;
5235 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5238 if( nrCastlingRights == -1) {
5239 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5240 /* This sets default castling rights from none to normal corners */
5241 /* Variants with other castling rights must set them themselves above */
5242 nrCastlingRights = 6;
5244 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5245 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5246 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5247 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5248 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5249 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5252 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5253 if(gameInfo.variant == VariantGreat) { // promotion commoners
5254 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5255 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5256 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5257 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5259 if (appData.debugMode) {
5260 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5262 if(shuffleOpenings) {
5263 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5264 startedFromSetupPosition = TRUE;
5266 if(startedFromPositionFile) {
5267 /* [HGM] loadPos: use PositionFile for every new game */
5268 CopyBoard(initialPosition, filePosition);
5269 for(i=0; i<nrCastlingRights; i++)
5270 initialRights[i] = filePosition[CASTLING][i];
5271 startedFromSetupPosition = TRUE;
5274 CopyBoard(boards[0], initialPosition);
5276 if(oldx != gameInfo.boardWidth ||
5277 oldy != gameInfo.boardHeight ||
5278 oldh != gameInfo.holdingsWidth
5280 || oldv == VariantGothic || // For licensing popups
5281 gameInfo.variant == VariantGothic
5284 || oldv == VariantFalcon ||
5285 gameInfo.variant == VariantFalcon
5288 InitDrawingSizes(-2 ,0);
5291 DrawPosition(TRUE, boards[currentMove]);
5295 SendBoard(cps, moveNum)
5296 ChessProgramState *cps;
5299 char message[MSG_SIZ];
5301 if (cps->useSetboard) {
5302 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5303 sprintf(message, "setboard %s\n", fen);
5304 SendToProgram(message, cps);
5310 /* Kludge to set black to move, avoiding the troublesome and now
5311 * deprecated "black" command.
5313 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5315 SendToProgram("edit\n", cps);
5316 SendToProgram("#\n", cps);
5317 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5318 bp = &boards[moveNum][i][BOARD_LEFT];
5319 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5320 if ((int) *bp < (int) BlackPawn) {
5321 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5323 if(message[0] == '+' || message[0] == '~') {
5324 sprintf(message, "%c%c%c+\n",
5325 PieceToChar((ChessSquare)(DEMOTED *bp)),
5328 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5329 message[1] = BOARD_RGHT - 1 - j + '1';
5330 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5332 SendToProgram(message, cps);
5337 SendToProgram("c\n", cps);
5338 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5339 bp = &boards[moveNum][i][BOARD_LEFT];
5340 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5341 if (((int) *bp != (int) EmptySquare)
5342 && ((int) *bp >= (int) BlackPawn)) {
5343 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5345 if(message[0] == '+' || message[0] == '~') {
5346 sprintf(message, "%c%c%c+\n",
5347 PieceToChar((ChessSquare)(DEMOTED *bp)),
5350 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5351 message[1] = BOARD_RGHT - 1 - j + '1';
5352 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5354 SendToProgram(message, cps);
5359 SendToProgram(".\n", cps);
5361 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5364 static int autoQueen; // [HGM] oneclick
5367 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5369 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5370 /* [HGM] add Shogi promotions */
5371 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5376 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5377 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5379 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5380 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5383 piece = boards[currentMove][fromY][fromX];
5384 if(gameInfo.variant == VariantShogi) {
5385 promotionZoneSize = 3;
5386 highestPromotingPiece = (int)WhiteFerz;
5387 } else if(gameInfo.variant == VariantMakruk) {
5388 promotionZoneSize = 3;
5391 // next weed out all moves that do not touch the promotion zone at all
5392 if((int)piece >= BlackPawn) {
5393 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5395 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5397 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5398 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5401 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5403 // weed out mandatory Shogi promotions
5404 if(gameInfo.variant == VariantShogi) {
5405 if(piece >= BlackPawn) {
5406 if(toY == 0 && piece == BlackPawn ||
5407 toY == 0 && piece == BlackQueen ||
5408 toY <= 1 && piece == BlackKnight) {
5413 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5414 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5415 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5422 // weed out obviously illegal Pawn moves
5423 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5424 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5425 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5426 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5427 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5428 // note we are not allowed to test for valid (non-)capture, due to premove
5431 // we either have a choice what to promote to, or (in Shogi) whether to promote
5432 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5433 *promoChoice = PieceToChar(BlackFerz); // no choice
5436 if(autoQueen) { // predetermined
5437 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5438 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5439 else *promoChoice = PieceToChar(BlackQueen);
5443 // suppress promotion popup on illegal moves that are not premoves
5444 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5445 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5446 if(appData.testLegality && !premove) {
5447 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5448 fromY, fromX, toY, toX, NULLCHAR);
5449 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5450 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5458 InPalace(row, column)
5460 { /* [HGM] for Xiangqi */
5461 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5462 column < (BOARD_WIDTH + 4)/2 &&
5463 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5468 PieceForSquare (x, y)
5472 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5475 return boards[currentMove][y][x];
5479 OKToStartUserMove(x, y)
5482 ChessSquare from_piece;
5485 if (matchMode) return FALSE;
5486 if (gameMode == EditPosition) return TRUE;
5488 if (x >= 0 && y >= 0)
5489 from_piece = boards[currentMove][y][x];
5491 from_piece = EmptySquare;
5493 if (from_piece == EmptySquare) return FALSE;
5495 white_piece = (int)from_piece >= (int)WhitePawn &&
5496 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5499 case PlayFromGameFile:
5501 case TwoMachinesPlay:
5509 case MachinePlaysWhite:
5510 case IcsPlayingBlack:
5511 if (appData.zippyPlay) return FALSE;
5513 DisplayMoveError(_("You are playing Black"));
5518 case MachinePlaysBlack:
5519 case IcsPlayingWhite:
5520 if (appData.zippyPlay) return FALSE;
5522 DisplayMoveError(_("You are playing White"));
5528 if (!white_piece && WhiteOnMove(currentMove)) {
5529 DisplayMoveError(_("It is White's turn"));
5532 if (white_piece && !WhiteOnMove(currentMove)) {
5533 DisplayMoveError(_("It is Black's turn"));
5536 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5537 /* Editing correspondence game history */
5538 /* Could disallow this or prompt for confirmation */
5543 case BeginningOfGame:
5544 if (appData.icsActive) return FALSE;
5545 if (!appData.noChessProgram) {
5547 DisplayMoveError(_("You are playing White"));
5554 if (!white_piece && WhiteOnMove(currentMove)) {
5555 DisplayMoveError(_("It is White's turn"));
5558 if (white_piece && !WhiteOnMove(currentMove)) {
5559 DisplayMoveError(_("It is Black's turn"));
5568 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5569 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5570 && gameMode != AnalyzeFile && gameMode != Training) {
5571 DisplayMoveError(_("Displayed position is not current"));
5578 OnlyMove(int *x, int *y, Boolean captures) {
5579 DisambiguateClosure cl;
5580 if (appData.zippyPlay) return FALSE;
5582 case MachinePlaysBlack:
5583 case IcsPlayingWhite:
5584 case BeginningOfGame:
5585 if(!WhiteOnMove(currentMove)) return FALSE;
5587 case MachinePlaysWhite:
5588 case IcsPlayingBlack:
5589 if(WhiteOnMove(currentMove)) return FALSE;
5594 cl.pieceIn = EmptySquare;
5599 cl.promoCharIn = NULLCHAR;
5600 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5601 if( cl.kind == NormalMove ||
5602 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5603 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5604 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5605 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5612 if(cl.kind != ImpossibleMove) return FALSE;
5613 cl.pieceIn = EmptySquare;
5618 cl.promoCharIn = NULLCHAR;
5619 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5620 if( cl.kind == NormalMove ||
5621 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5622 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5623 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5624 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5629 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5635 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5636 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5637 int lastLoadGameUseList = FALSE;
5638 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5639 ChessMove lastLoadGameStart = (ChessMove) 0;
5642 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5643 int fromX, fromY, toX, toY;
5648 ChessSquare pdown, pup;
5650 /* Check if the user is playing in turn. This is complicated because we
5651 let the user "pick up" a piece before it is his turn. So the piece he
5652 tried to pick up may have been captured by the time he puts it down!
5653 Therefore we use the color the user is supposed to be playing in this
5654 test, not the color of the piece that is currently on the starting
5655 square---except in EditGame mode, where the user is playing both
5656 sides; fortunately there the capture race can't happen. (It can
5657 now happen in IcsExamining mode, but that's just too bad. The user
5658 will get a somewhat confusing message in that case.)
5662 case PlayFromGameFile:
5664 case TwoMachinesPlay:
5668 /* We switched into a game mode where moves are not accepted,
5669 perhaps while the mouse button was down. */
5670 return ImpossibleMove;
5672 case MachinePlaysWhite:
5673 /* User is moving for Black */
5674 if (WhiteOnMove(currentMove)) {
5675 DisplayMoveError(_("It is White's turn"));
5676 return ImpossibleMove;
5680 case MachinePlaysBlack:
5681 /* User is moving for White */
5682 if (!WhiteOnMove(currentMove)) {
5683 DisplayMoveError(_("It is Black's turn"));
5684 return ImpossibleMove;
5690 case BeginningOfGame:
5693 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5694 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5695 /* User is moving for Black */
5696 if (WhiteOnMove(currentMove)) {
5697 DisplayMoveError(_("It is White's turn"));
5698 return ImpossibleMove;
5701 /* User is moving for White */
5702 if (!WhiteOnMove(currentMove)) {
5703 DisplayMoveError(_("It is Black's turn"));
5704 return ImpossibleMove;
5709 case IcsPlayingBlack:
5710 /* User is moving for Black */
5711 if (WhiteOnMove(currentMove)) {
5712 if (!appData.premove) {
5713 DisplayMoveError(_("It is White's turn"));
5714 } else if (toX >= 0 && toY >= 0) {
5717 premoveFromX = fromX;
5718 premoveFromY = fromY;
5719 premovePromoChar = promoChar;
5721 if (appData.debugMode)
5722 fprintf(debugFP, "Got premove: fromX %d,"
5723 "fromY %d, toX %d, toY %d\n",
5724 fromX, fromY, toX, toY);
5726 return ImpossibleMove;
5730 case IcsPlayingWhite:
5731 /* User is moving for White */
5732 if (!WhiteOnMove(currentMove)) {
5733 if (!appData.premove) {
5734 DisplayMoveError(_("It is Black's turn"));
5735 } else if (toX >= 0 && toY >= 0) {
5738 premoveFromX = fromX;
5739 premoveFromY = fromY;
5740 premovePromoChar = promoChar;
5742 if (appData.debugMode)
5743 fprintf(debugFP, "Got premove: fromX %d,"
5744 "fromY %d, toX %d, toY %d\n",
5745 fromX, fromY, toX, toY);
5747 return ImpossibleMove;
5755 /* EditPosition, empty square, or different color piece;
5756 click-click move is possible */
5757 if (toX == -2 || toY == -2) {
5758 boards[0][fromY][fromX] = EmptySquare;
5759 return AmbiguousMove;
5760 } else if (toX >= 0 && toY >= 0) {
5761 boards[0][toY][toX] = boards[0][fromY][fromX];
5762 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5763 if(boards[0][fromY][0] != EmptySquare) {
5764 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5765 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5768 if(fromX == BOARD_RGHT+1) {
5769 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5770 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5771 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5774 boards[0][fromY][fromX] = EmptySquare;
5775 return AmbiguousMove;
5777 return ImpossibleMove;
5780 if(toX < 0 || toY < 0) return ImpossibleMove;
5781 pdown = boards[currentMove][fromY][fromX];
5782 pup = boards[currentMove][toY][toX];
5784 /* [HGM] If move started in holdings, it means a drop */
5785 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5786 if( pup != EmptySquare ) return ImpossibleMove;
5787 if(appData.testLegality) {
5788 /* it would be more logical if LegalityTest() also figured out
5789 * which drops are legal. For now we forbid pawns on back rank.
5790 * Shogi is on its own here...
5792 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5793 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5794 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5796 return WhiteDrop; /* Not needed to specify white or black yet */
5799 /* [HGM] always test for legality, to get promotion info */
5800 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5801 fromY, fromX, toY, toX, promoChar);
5802 /* [HGM] but possibly ignore an IllegalMove result */
5803 if (appData.testLegality) {
5804 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5805 DisplayMoveError(_("Illegal move"));
5806 return ImpossibleMove;
5811 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5812 function is made into one that returns an OK move type if FinishMove
5813 should be called. This to give the calling driver routine the
5814 opportunity to finish the userMove input with a promotion popup,
5815 without bothering the user with this for invalid or illegal moves */
5817 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5820 /* Common tail of UserMoveEvent and DropMenuEvent */
5822 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5824 int fromX, fromY, toX, toY;
5825 /*char*/int promoChar;
5829 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5830 // [HGM] superchess: suppress promotions to non-available piece
5831 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5832 if(WhiteOnMove(currentMove)) {
5833 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5835 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5839 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5840 move type in caller when we know the move is a legal promotion */
5841 if(moveType == NormalMove && promoChar)
5842 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5844 /* [HGM] convert drag-and-drop piece drops to standard form */
5845 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5846 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5847 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5848 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5849 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5850 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5851 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5852 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5856 /* [HGM] <popupFix> The following if has been moved here from
5857 UserMoveEvent(). Because it seemed to belong here (why not allow
5858 piece drops in training games?), and because it can only be
5859 performed after it is known to what we promote. */
5860 if (gameMode == Training) {
5861 /* compare the move played on the board to the next move in the
5862 * game. If they match, display the move and the opponent's response.
5863 * If they don't match, display an error message.
5867 CopyBoard(testBoard, boards[currentMove]);
5868 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5870 if (CompareBoards(testBoard, boards[currentMove+1])) {
5871 ForwardInner(currentMove+1);
5873 /* Autoplay the opponent's response.
5874 * if appData.animate was TRUE when Training mode was entered,
5875 * the response will be animated.
5877 saveAnimate = appData.animate;
5878 appData.animate = animateTraining;
5879 ForwardInner(currentMove+1);
5880 appData.animate = saveAnimate;
5882 /* check for the end of the game */
5883 if (currentMove >= forwardMostMove) {
5884 gameMode = PlayFromGameFile;
5886 SetTrainingModeOff();
5887 DisplayInformation(_("End of game"));
5890 DisplayError(_("Incorrect move"), 0);
5895 /* Ok, now we know that the move is good, so we can kill
5896 the previous line in Analysis Mode */
5897 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5898 && currentMove < forwardMostMove) {
5899 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5902 /* If we need the chess program but it's dead, restart it */
5903 ResurrectChessProgram();
5905 /* A user move restarts a paused game*/
5909 thinkOutput[0] = NULLCHAR;
5911 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5913 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5915 if (gameMode == BeginningOfGame) {
5916 if (appData.noChessProgram) {
5917 gameMode = EditGame;
5921 gameMode = MachinePlaysBlack;
5924 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5926 if (first.sendName) {
5927 sprintf(buf, "name %s\n", gameInfo.white);
5928 SendToProgram(buf, &first);
5935 /* Relay move to ICS or chess engine */
5936 if (appData.icsActive) {
5937 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5938 gameMode == IcsExamining) {
5939 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5940 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5942 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5944 // also send plain move, in case ICS does not understand atomic claims
5945 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5949 if (first.sendTime && (gameMode == BeginningOfGame ||
5950 gameMode == MachinePlaysWhite ||
5951 gameMode == MachinePlaysBlack)) {
5952 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5954 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5955 // [HGM] book: if program might be playing, let it use book
5956 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5957 first.maybeThinking = TRUE;
5958 } else SendMoveToProgram(forwardMostMove-1, &first);
5959 if (currentMove == cmailOldMove + 1) {
5960 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5964 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5968 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5974 if (WhiteOnMove(currentMove)) {
5975 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5977 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5981 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5986 case MachinePlaysBlack:
5987 case MachinePlaysWhite:
5988 /* disable certain menu options while machine is thinking */
5989 SetMachineThinkingEnables();
5996 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
5998 if(bookHit) { // [HGM] book: simulate book reply
5999 static char bookMove[MSG_SIZ]; // a bit generous?
6001 programStats.nodes = programStats.depth = programStats.time =
6002 programStats.score = programStats.got_only_move = 0;
6003 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6005 strcpy(bookMove, "move ");
6006 strcat(bookMove, bookHit);
6007 HandleMachineMove(bookMove, &first);
6013 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6014 int fromX, fromY, toX, toY;
6017 /* [HGM] This routine was added to allow calling of its two logical
6018 parts from other modules in the old way. Before, UserMoveEvent()
6019 automatically called FinishMove() if the move was OK, and returned
6020 otherwise. I separated the two, in order to make it possible to
6021 slip a promotion popup in between. But that it always needs two
6022 calls, to the first part, (now called UserMoveTest() ), and to
6023 FinishMove if the first part succeeded. Calls that do not need
6024 to do anything in between, can call this routine the old way.
6026 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6027 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6028 if(moveType == AmbiguousMove)
6029 DrawPosition(FALSE, boards[currentMove]);
6030 else if(moveType != ImpossibleMove && moveType != Comment)
6031 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6035 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6042 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6043 Markers *m = (Markers *) closure;
6044 if(rf == fromY && ff == fromX)
6045 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6046 || kind == WhiteCapturesEnPassant
6047 || kind == BlackCapturesEnPassant);
6048 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6052 MarkTargetSquares(int clear)
6055 if(!appData.markers || !appData.highlightDragging ||
6056 !appData.testLegality || gameMode == EditPosition) return;
6058 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6061 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6062 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6063 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6065 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6068 DrawPosition(TRUE, NULL);
6071 void LeftClick(ClickType clickType, int xPix, int yPix)
6074 Boolean saveAnimate;
6075 static int second = 0, promotionChoice = 0;
6076 char promoChoice = NULLCHAR;
6078 if(appData.seekGraph && appData.icsActive && loggedOn &&
6079 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6080 SeekGraphClick(clickType, xPix, yPix, 0);
6084 if (clickType == Press) ErrorPopDown();
6085 MarkTargetSquares(1);
6087 x = EventToSquare(xPix, BOARD_WIDTH);
6088 y = EventToSquare(yPix, BOARD_HEIGHT);
6089 if (!flipView && y >= 0) {
6090 y = BOARD_HEIGHT - 1 - y;
6092 if (flipView && x >= 0) {
6093 x = BOARD_WIDTH - 1 - x;
6096 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6097 if(clickType == Release) return; // ignore upclick of click-click destination
6098 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6099 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6100 if(gameInfo.holdingsWidth &&
6101 (WhiteOnMove(currentMove)
6102 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6103 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6104 // click in right holdings, for determining promotion piece
6105 ChessSquare p = boards[currentMove][y][x];
6106 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6107 if(p != EmptySquare) {
6108 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6113 DrawPosition(FALSE, boards[currentMove]);
6117 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6118 if(clickType == Press
6119 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6120 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6121 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6124 autoQueen = appData.alwaysPromoteToQueen;
6127 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6128 if (clickType == Press) {
6130 if (OKToStartUserMove(x, y)) {
6134 MarkTargetSquares(0);
6135 DragPieceBegin(xPix, yPix);
6136 if (appData.highlightDragging) {
6137 SetHighlights(x, y, -1, -1);
6146 if (clickType == Press && gameMode != EditPosition) {
6151 // ignore off-board to clicks
6152 if(y < 0 || x < 0) return;
6154 /* Check if clicking again on the same color piece */
6155 fromP = boards[currentMove][fromY][fromX];
6156 toP = boards[currentMove][y][x];
6157 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6158 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6159 WhitePawn <= toP && toP <= WhiteKing &&
6160 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6161 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6162 (BlackPawn <= fromP && fromP <= BlackKing &&
6163 BlackPawn <= toP && toP <= BlackKing &&
6164 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6165 !(fromP == BlackKing && toP == BlackRook && frc))) {
6166 /* Clicked again on same color piece -- changed his mind */
6167 second = (x == fromX && y == fromY);
6168 if(!second || !OnlyMove(&x, &y, TRUE)) {
6169 if (appData.highlightDragging) {
6170 SetHighlights(x, y, -1, -1);
6174 if (OKToStartUserMove(x, y)) {
6177 MarkTargetSquares(0);
6178 DragPieceBegin(xPix, yPix);
6183 // ignore clicks on holdings
6184 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6187 if (clickType == Release && x == fromX && y == fromY) {
6188 DragPieceEnd(xPix, yPix);
6189 if (appData.animateDragging) {
6190 /* Undo animation damage if any */
6191 DrawPosition(FALSE, NULL);
6194 /* Second up/down in same square; just abort move */
6199 ClearPremoveHighlights();
6201 /* First upclick in same square; start click-click mode */
6202 SetHighlights(x, y, -1, -1);
6207 /* we now have a different from- and (possibly off-board) to-square */
6208 /* Completed move */
6211 saveAnimate = appData.animate;
6212 if (clickType == Press) {
6213 /* Finish clickclick move */
6214 if (appData.animate || appData.highlightLastMove) {
6215 SetHighlights(fromX, fromY, toX, toY);
6220 /* Finish drag move */
6221 if (appData.highlightLastMove) {
6222 SetHighlights(fromX, fromY, toX, toY);
6226 DragPieceEnd(xPix, yPix);
6227 /* Don't animate move and drag both */
6228 appData.animate = FALSE;
6231 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6232 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6233 ChessSquare piece = boards[currentMove][fromY][fromX];
6234 if(gameMode == EditPosition && piece != EmptySquare &&
6235 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6238 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6239 n = PieceToNumber(piece - (int)BlackPawn);
6240 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6241 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6242 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6244 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6245 n = PieceToNumber(piece);
6246 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6247 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6248 boards[currentMove][n][BOARD_WIDTH-2]++;
6250 boards[currentMove][fromY][fromX] = EmptySquare;
6254 DrawPosition(TRUE, boards[currentMove]);
6258 // off-board moves should not be highlighted
6259 if(x < 0 || x < 0) ClearHighlights();
6261 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6262 SetHighlights(fromX, fromY, toX, toY);
6263 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6264 // [HGM] super: promotion to captured piece selected from holdings
6265 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6266 promotionChoice = TRUE;
6267 // kludge follows to temporarily execute move on display, without promoting yet
6268 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6269 boards[currentMove][toY][toX] = p;
6270 DrawPosition(FALSE, boards[currentMove]);
6271 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6272 boards[currentMove][toY][toX] = q;
6273 DisplayMessage("Click in holdings to choose piece", "");
6278 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6279 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6280 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6283 appData.animate = saveAnimate;
6284 if (appData.animate || appData.animateDragging) {
6285 /* Undo animation damage if needed */
6286 DrawPosition(FALSE, NULL);
6290 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6291 { // front-end-free part taken out of PieceMenuPopup
6292 int whichMenu; int xSqr, ySqr;
6294 if(seekGraphUp) { // [HGM] seekgraph
6295 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6296 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6300 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6301 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6302 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6303 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6307 xSqr = EventToSquare(x, BOARD_WIDTH);
6308 ySqr = EventToSquare(y, BOARD_HEIGHT);
6309 if (action == Release) UnLoadPV(); // [HGM] pv
6310 if (action != Press) return -2; // return code to be ignored
6313 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6315 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6316 if (xSqr < 0 || ySqr < 0) return -1;
\r
6317 whichMenu = 0; // edit-position menu
6320 if(!appData.icsEngineAnalyze) return -1;
6321 case IcsPlayingWhite:
6322 case IcsPlayingBlack:
6323 if(!appData.zippyPlay) goto noZip;
6326 case MachinePlaysWhite:
6327 case MachinePlaysBlack:
6328 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6329 if (!appData.dropMenu) {
6331 return 2; // flag front-end to grab mouse events
6333 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6334 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6337 if (xSqr < 0 || ySqr < 0) return -1;
6338 if (!appData.dropMenu || appData.testLegality &&
6339 gameInfo.variant != VariantBughouse &&
6340 gameInfo.variant != VariantCrazyhouse) return -1;
6341 whichMenu = 1; // drop menu
6347 if (((*fromX = xSqr) < 0) ||
6348 ((*fromY = ySqr) < 0)) {
6349 *fromX = *fromY = -1;
6353 *fromX = BOARD_WIDTH - 1 - *fromX;
6355 *fromY = BOARD_HEIGHT - 1 - *fromY;
6360 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6362 // char * hint = lastHint;
6363 FrontEndProgramStats stats;
6365 stats.which = cps == &first ? 0 : 1;
6366 stats.depth = cpstats->depth;
6367 stats.nodes = cpstats->nodes;
6368 stats.score = cpstats->score;
6369 stats.time = cpstats->time;
6370 stats.pv = cpstats->movelist;
6371 stats.hint = lastHint;
6372 stats.an_move_index = 0;
6373 stats.an_move_count = 0;
6375 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6376 stats.hint = cpstats->move_name;
6377 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6378 stats.an_move_count = cpstats->nr_moves;
6381 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6383 SetProgramStats( &stats );
6387 Adjudicate(ChessProgramState *cps)
6388 { // [HGM] some adjudications useful with buggy engines
6389 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6390 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6391 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6392 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6393 int k, count = 0; static int bare = 1;
6394 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6395 Boolean canAdjudicate = !appData.icsActive;
6397 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6398 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6399 if( appData.testLegality )
6400 { /* [HGM] Some more adjudications for obstinate engines */
6401 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6402 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6403 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6404 static int moveCount = 6;
6406 char *reason = NULL;
6408 /* Count what is on board. */
6409 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6410 { ChessSquare p = boards[forwardMostMove][i][j];
6414 { /* count B,N,R and other of each side */
6417 NrK++; break; // [HGM] atomic: count Kings
6421 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6422 bishopsColor |= 1 << ((i^j)&1);
6427 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6428 bishopsColor |= 1 << ((i^j)&1);
6443 PawnAdvance += m; NrPawns++;
6445 NrPieces += (p != EmptySquare);
6446 NrW += ((int)p < (int)BlackPawn);
6447 if(gameInfo.variant == VariantXiangqi &&
6448 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6449 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6450 NrW -= ((int)p < (int)BlackPawn);
6454 /* Some material-based adjudications that have to be made before stalemate test */
6455 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6456 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6457 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6458 if(canAdjudicate && appData.checkMates) {
6460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6461 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6462 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6463 "Xboard adjudication: King destroyed", GE_XBOARD );
6468 /* Bare King in Shatranj (loses) or Losers (wins) */
6469 if( NrW == 1 || NrPieces - NrW == 1) {
6470 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6471 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6472 if(canAdjudicate && appData.checkMates) {
6474 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6475 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6476 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6477 "Xboard adjudication: Bare king", GE_XBOARD );
6481 if( gameInfo.variant == VariantShatranj && --bare < 0)
6483 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6484 if(canAdjudicate && appData.checkMates) {
6485 /* but only adjudicate if adjudication enabled */
6487 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6488 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6489 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6490 "Xboard adjudication: Bare king", GE_XBOARD );
6497 // don't wait for engine to announce game end if we can judge ourselves
6498 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6500 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6501 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6502 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6503 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6506 reason = "Xboard adjudication: 3rd check";
6507 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6517 reason = "Xboard adjudication: Stalemate";
6518 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6519 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6520 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6521 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6522 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6523 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6524 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6525 EP_CHECKMATE : EP_WINS);
6526 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6527 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6531 reason = "Xboard adjudication: Checkmate";
6532 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6536 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6538 result = GameIsDrawn; break;
6540 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6542 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6544 result = (ChessMove) 0;
6546 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6548 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6549 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6550 GameEnds( result, reason, GE_XBOARD );
6554 /* Next absolutely insufficient mating material. */
6555 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6556 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6557 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6558 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6559 { /* KBK, KNK, KK of KBKB with like Bishops */
6561 /* always flag draws, for judging claims */
6562 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6564 if(canAdjudicate && appData.materialDraws) {
6565 /* but only adjudicate them if adjudication enabled */
6566 if(engineOpponent) {
6567 SendToProgram("force\n", engineOpponent); // suppress reply
6568 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6570 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6571 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6576 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6578 ( NrWR == 1 && NrBR == 1 /* KRKR */
6579 || NrWQ==1 && NrBQ==1 /* KQKQ */
6580 || NrWN==2 || NrBN==2 /* KNNK */
6581 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6583 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6584 { /* if the first 3 moves do not show a tactical win, declare draw */
6585 if(engineOpponent) {
6586 SendToProgram("force\n", engineOpponent); // suppress reply
6587 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6589 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6590 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6593 } else moveCount = 6;
6597 if (appData.debugMode) { int i;
6598 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6599 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6600 appData.drawRepeats);
6601 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6602 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6606 // Repetition draws and 50-move rule can be applied independently of legality testing
6608 /* Check for rep-draws */
6610 for(k = forwardMostMove-2;
6611 k>=backwardMostMove && k>=forwardMostMove-100 &&
6612 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6613 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6616 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6617 /* compare castling rights */
6618 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6619 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6620 rights++; /* King lost rights, while rook still had them */
6621 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6622 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6623 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6624 rights++; /* but at least one rook lost them */
6626 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6627 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6629 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6630 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6631 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6634 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6635 && appData.drawRepeats > 1) {
6636 /* adjudicate after user-specified nr of repeats */
6637 if(engineOpponent) {
6638 SendToProgram("force\n", engineOpponent); // suppress reply
6639 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6641 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6642 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6643 // [HGM] xiangqi: check for forbidden perpetuals
6644 int m, ourPerpetual = 1, hisPerpetual = 1;
6645 for(m=forwardMostMove; m>k; m-=2) {
6646 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6647 ourPerpetual = 0; // the current mover did not always check
6648 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6649 hisPerpetual = 0; // the opponent did not always check
6651 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6652 ourPerpetual, hisPerpetual);
6653 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6654 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6655 "Xboard adjudication: perpetual checking", GE_XBOARD );
6658 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6659 break; // (or we would have caught him before). Abort repetition-checking loop.
6660 // Now check for perpetual chases
6661 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6662 hisPerpetual = PerpetualChase(k, forwardMostMove);
6663 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6664 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6665 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6666 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6669 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6670 break; // Abort repetition-checking loop.
6672 // if neither of us is checking or chasing all the time, or both are, it is draw
6674 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6677 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6678 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6682 /* Now we test for 50-move draws. Determine ply count */
6683 count = forwardMostMove;
6684 /* look for last irreversble move */
6685 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6687 /* if we hit starting position, add initial plies */
6688 if( count == backwardMostMove )
6689 count -= initialRulePlies;
6690 count = forwardMostMove - count;
6692 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6693 /* this is used to judge if draw claims are legal */
6694 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6695 if(engineOpponent) {
6696 SendToProgram("force\n", engineOpponent); // suppress reply
6697 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6699 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6700 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6704 /* if draw offer is pending, treat it as a draw claim
6705 * when draw condition present, to allow engines a way to
6706 * claim draws before making their move to avoid a race
6707 * condition occurring after their move
6709 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6711 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6712 p = "Draw claim: 50-move rule";
6713 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6714 p = "Draw claim: 3-fold repetition";
6715 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6716 p = "Draw claim: insufficient mating material";
6717 if( p != NULL && canAdjudicate) {
6718 if(engineOpponent) {
6719 SendToProgram("force\n", engineOpponent); // suppress reply
6720 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6722 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6723 GameEnds( GameIsDrawn, p, GE_XBOARD );
6728 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6729 if(engineOpponent) {
6730 SendToProgram("force\n", engineOpponent); // suppress reply
6731 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6733 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6734 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6740 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6741 { // [HGM] book: this routine intercepts moves to simulate book replies
6742 char *bookHit = NULL;
6744 //first determine if the incoming move brings opponent into his book
6745 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6746 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6747 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6748 if(bookHit != NULL && !cps->bookSuspend) {
6749 // make sure opponent is not going to reply after receiving move to book position
6750 SendToProgram("force\n", cps);
6751 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6753 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6754 // now arrange restart after book miss
6756 // after a book hit we never send 'go', and the code after the call to this routine
6757 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6759 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6760 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6761 SendToProgram(buf, cps);
6762 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6763 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6764 SendToProgram("go\n", cps);
6765 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6766 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6767 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6768 SendToProgram("go\n", cps);
6769 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6771 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6775 ChessProgramState *savedState;
6776 void DeferredBookMove(void)
6778 if(savedState->lastPing != savedState->lastPong)
6779 ScheduleDelayedEvent(DeferredBookMove, 10);
6781 HandleMachineMove(savedMessage, savedState);
6785 HandleMachineMove(message, cps)
6787 ChessProgramState *cps;
6789 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6790 char realname[MSG_SIZ];
6791 int fromX, fromY, toX, toY;
6800 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6802 * Kludge to ignore BEL characters
6804 while (*message == '\007') message++;
6807 * [HGM] engine debug message: ignore lines starting with '#' character
6809 if(cps->debug && *message == '#') return;
6812 * Look for book output
6814 if (cps == &first && bookRequested) {
6815 if (message[0] == '\t' || message[0] == ' ') {
6816 /* Part of the book output is here; append it */
6817 strcat(bookOutput, message);
6818 strcat(bookOutput, " \n");
6820 } else if (bookOutput[0] != NULLCHAR) {
6821 /* All of book output has arrived; display it */
6822 char *p = bookOutput;
6823 while (*p != NULLCHAR) {
6824 if (*p == '\t') *p = ' ';
6827 DisplayInformation(bookOutput);
6828 bookRequested = FALSE;
6829 /* Fall through to parse the current output */
6834 * Look for machine move.
6836 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6837 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6839 /* This method is only useful on engines that support ping */
6840 if (cps->lastPing != cps->lastPong) {
6841 if (gameMode == BeginningOfGame) {
6842 /* Extra move from before last new; ignore */
6843 if (appData.debugMode) {
6844 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6847 if (appData.debugMode) {
6848 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6849 cps->which, gameMode);
6852 SendToProgram("undo\n", cps);
6858 case BeginningOfGame:
6859 /* Extra move from before last reset; ignore */
6860 if (appData.debugMode) {
6861 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6868 /* Extra move after we tried to stop. The mode test is
6869 not a reliable way of detecting this problem, but it's
6870 the best we can do on engines that don't support ping.
6872 if (appData.debugMode) {
6873 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6874 cps->which, gameMode);
6876 SendToProgram("undo\n", cps);
6879 case MachinePlaysWhite:
6880 case IcsPlayingWhite:
6881 machineWhite = TRUE;
6884 case MachinePlaysBlack:
6885 case IcsPlayingBlack:
6886 machineWhite = FALSE;
6889 case TwoMachinesPlay:
6890 machineWhite = (cps->twoMachinesColor[0] == 'w');
6893 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6894 if (appData.debugMode) {
6896 "Ignoring move out of turn by %s, gameMode %d"
6897 ", forwardMost %d\n",
6898 cps->which, gameMode, forwardMostMove);
6903 if (appData.debugMode) { int f = forwardMostMove;
6904 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6905 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6906 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6908 if(cps->alphaRank) AlphaRank(machineMove, 4);
6909 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6910 &fromX, &fromY, &toX, &toY, &promoChar)) {
6911 /* Machine move could not be parsed; ignore it. */
6912 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6913 machineMove, cps->which);
6914 DisplayError(buf1, 0);
6915 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6916 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6917 if (gameMode == TwoMachinesPlay) {
6918 GameEnds(machineWhite ? BlackWins : WhiteWins,
6924 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6925 /* So we have to redo legality test with true e.p. status here, */
6926 /* to make sure an illegal e.p. capture does not slip through, */
6927 /* to cause a forfeit on a justified illegal-move complaint */
6928 /* of the opponent. */
6929 if( gameMode==TwoMachinesPlay && appData.testLegality
6930 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6933 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6934 fromY, fromX, toY, toX, promoChar);
6935 if (appData.debugMode) {
6937 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6938 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6939 fprintf(debugFP, "castling rights\n");
6941 if(moveType == IllegalMove) {
6942 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6943 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6944 GameEnds(machineWhite ? BlackWins : WhiteWins,
6947 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6948 /* [HGM] Kludge to handle engines that send FRC-style castling
6949 when they shouldn't (like TSCP-Gothic) */
6951 case WhiteASideCastleFR:
6952 case BlackASideCastleFR:
6954 currentMoveString[2]++;
6956 case WhiteHSideCastleFR:
6957 case BlackHSideCastleFR:
6959 currentMoveString[2]--;
6961 default: ; // nothing to do, but suppresses warning of pedantic compilers
6964 hintRequested = FALSE;
6965 lastHint[0] = NULLCHAR;
6966 bookRequested = FALSE;
6967 /* Program may be pondering now */
6968 cps->maybeThinking = TRUE;
6969 if (cps->sendTime == 2) cps->sendTime = 1;
6970 if (cps->offeredDraw) cps->offeredDraw--;
6972 /* currentMoveString is set as a side-effect of ParseOneMove */
6973 strcpy(machineMove, currentMoveString);
6974 strcat(machineMove, "\n");
6975 strcpy(moveList[forwardMostMove], machineMove);
6977 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6979 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6980 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6983 while( count < adjudicateLossPlies ) {
6984 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6987 score = -score; /* Flip score for winning side */
6990 if( score > adjudicateLossThreshold ) {
6997 if( count >= adjudicateLossPlies ) {
6998 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7000 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7001 "Xboard adjudication",
7008 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7011 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7013 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7014 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7016 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7018 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7020 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7021 char buf[3*MSG_SIZ];
7023 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7024 programStats.score / 100.,
7026 programStats.time / 100.,
7027 (unsigned int)programStats.nodes,
7028 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7029 programStats.movelist);
7031 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7036 /* [AS] Save move info and clear stats for next move */
7037 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7038 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7039 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7040 ClearProgramStats();
7041 thinkOutput[0] = NULLCHAR;
7042 hiddenThinkOutputState = 0;
7045 if (gameMode == TwoMachinesPlay) {
7046 /* [HGM] relaying draw offers moved to after reception of move */
7047 /* and interpreting offer as claim if it brings draw condition */
7048 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7049 SendToProgram("draw\n", cps->other);
7051 if (cps->other->sendTime) {
7052 SendTimeRemaining(cps->other,
7053 cps->other->twoMachinesColor[0] == 'w');
7055 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7056 if (firstMove && !bookHit) {
7058 if (cps->other->useColors) {
7059 SendToProgram(cps->other->twoMachinesColor, cps->other);
7061 SendToProgram("go\n", cps->other);
7063 cps->other->maybeThinking = TRUE;
7066 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7068 if (!pausing && appData.ringBellAfterMoves) {
7073 * Reenable menu items that were disabled while
7074 * machine was thinking
7076 if (gameMode != TwoMachinesPlay)
7077 SetUserThinkingEnables();
7079 // [HGM] book: after book hit opponent has received move and is now in force mode
7080 // force the book reply into it, and then fake that it outputted this move by jumping
7081 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7083 static char bookMove[MSG_SIZ]; // a bit generous?
7085 strcpy(bookMove, "move ");
7086 strcat(bookMove, bookHit);
7089 programStats.nodes = programStats.depth = programStats.time =
7090 programStats.score = programStats.got_only_move = 0;
7091 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7093 if(cps->lastPing != cps->lastPong) {
7094 savedMessage = message; // args for deferred call
7096 ScheduleDelayedEvent(DeferredBookMove, 10);
7105 /* Set special modes for chess engines. Later something general
7106 * could be added here; for now there is just one kludge feature,
7107 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7108 * when "xboard" is given as an interactive command.
7110 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7111 cps->useSigint = FALSE;
7112 cps->useSigterm = FALSE;
7114 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7115 ParseFeatures(message+8, cps);
7116 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7119 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7120 * want this, I was asked to put it in, and obliged.
7122 if (!strncmp(message, "setboard ", 9)) {
7123 Board initial_position;
7125 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7127 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7128 DisplayError(_("Bad FEN received from engine"), 0);
7132 CopyBoard(boards[0], initial_position);
7133 initialRulePlies = FENrulePlies;
7134 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7135 else gameMode = MachinePlaysBlack;
7136 DrawPosition(FALSE, boards[currentMove]);
7142 * Look for communication commands
7144 if (!strncmp(message, "telluser ", 9)) {
7145 DisplayNote(message + 9);
7148 if (!strncmp(message, "tellusererror ", 14)) {
7150 DisplayError(message + 14, 0);
7153 if (!strncmp(message, "tellopponent ", 13)) {
7154 if (appData.icsActive) {
7156 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7160 DisplayNote(message + 13);
7164 if (!strncmp(message, "tellothers ", 11)) {
7165 if (appData.icsActive) {
7167 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7173 if (!strncmp(message, "tellall ", 8)) {
7174 if (appData.icsActive) {
7176 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7180 DisplayNote(message + 8);
7184 if (strncmp(message, "warning", 7) == 0) {
7185 /* Undocumented feature, use tellusererror in new code */
7186 DisplayError(message, 0);
7189 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7190 strcpy(realname, cps->tidy);
7191 strcat(realname, " query");
7192 AskQuestion(realname, buf2, buf1, cps->pr);
7195 /* Commands from the engine directly to ICS. We don't allow these to be
7196 * sent until we are logged on. Crafty kibitzes have been known to
7197 * interfere with the login process.
7200 if (!strncmp(message, "tellics ", 8)) {
7201 SendToICS(message + 8);
7205 if (!strncmp(message, "tellicsnoalias ", 15)) {
7206 SendToICS(ics_prefix);
7207 SendToICS(message + 15);
7211 /* The following are for backward compatibility only */
7212 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7213 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7214 SendToICS(ics_prefix);
7220 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7224 * If the move is illegal, cancel it and redraw the board.
7225 * Also deal with other error cases. Matching is rather loose
7226 * here to accommodate engines written before the spec.
7228 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7229 strncmp(message, "Error", 5) == 0) {
7230 if (StrStr(message, "name") ||
7231 StrStr(message, "rating") || StrStr(message, "?") ||
7232 StrStr(message, "result") || StrStr(message, "board") ||
7233 StrStr(message, "bk") || StrStr(message, "computer") ||
7234 StrStr(message, "variant") || StrStr(message, "hint") ||
7235 StrStr(message, "random") || StrStr(message, "depth") ||
7236 StrStr(message, "accepted")) {
7239 if (StrStr(message, "protover")) {
7240 /* Program is responding to input, so it's apparently done
7241 initializing, and this error message indicates it is
7242 protocol version 1. So we don't need to wait any longer
7243 for it to initialize and send feature commands. */
7244 FeatureDone(cps, 1);
7245 cps->protocolVersion = 1;
7248 cps->maybeThinking = FALSE;
7250 if (StrStr(message, "draw")) {
7251 /* Program doesn't have "draw" command */
7252 cps->sendDrawOffers = 0;
7255 if (cps->sendTime != 1 &&
7256 (StrStr(message, "time") || StrStr(message, "otim"))) {
7257 /* Program apparently doesn't have "time" or "otim" command */
7261 if (StrStr(message, "analyze")) {
7262 cps->analysisSupport = FALSE;
7263 cps->analyzing = FALSE;
7265 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7266 DisplayError(buf2, 0);
7269 if (StrStr(message, "(no matching move)st")) {
7270 /* Special kludge for GNU Chess 4 only */
7271 cps->stKludge = TRUE;
7272 SendTimeControl(cps, movesPerSession, timeControl,
7273 timeIncrement, appData.searchDepth,
7277 if (StrStr(message, "(no matching move)sd")) {
7278 /* Special kludge for GNU Chess 4 only */
7279 cps->sdKludge = TRUE;
7280 SendTimeControl(cps, movesPerSession, timeControl,
7281 timeIncrement, appData.searchDepth,
7285 if (!StrStr(message, "llegal")) {
7288 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7289 gameMode == IcsIdle) return;
7290 if (forwardMostMove <= backwardMostMove) return;
7291 if (pausing) PauseEvent();
7292 if(appData.forceIllegal) {
7293 // [HGM] illegal: machine refused move; force position after move into it
7294 SendToProgram("force\n", cps);
7295 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7296 // we have a real problem now, as SendBoard will use the a2a3 kludge
7297 // when black is to move, while there might be nothing on a2 or black
7298 // might already have the move. So send the board as if white has the move.
7299 // But first we must change the stm of the engine, as it refused the last move
7300 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7301 if(WhiteOnMove(forwardMostMove)) {
7302 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7303 SendBoard(cps, forwardMostMove); // kludgeless board
7305 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7306 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7307 SendBoard(cps, forwardMostMove+1); // kludgeless board
7309 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7310 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7311 gameMode == TwoMachinesPlay)
7312 SendToProgram("go\n", cps);
7315 if (gameMode == PlayFromGameFile) {
7316 /* Stop reading this game file */
7317 gameMode = EditGame;
7320 currentMove = forwardMostMove-1;
7321 DisplayMove(currentMove-1); /* before DisplayMoveError */
7322 SwitchClocks(forwardMostMove-1); // [HGM] race
7323 DisplayBothClocks();
7324 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7325 parseList[currentMove], cps->which);
7326 DisplayMoveError(buf1);
7327 DrawPosition(FALSE, boards[currentMove]);
7329 /* [HGM] illegal-move claim should forfeit game when Xboard */
7330 /* only passes fully legal moves */
7331 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7332 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7333 "False illegal-move claim", GE_XBOARD );
7337 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7338 /* Program has a broken "time" command that
7339 outputs a string not ending in newline.
7345 * If chess program startup fails, exit with an error message.
7346 * Attempts to recover here are futile.
7348 if ((StrStr(message, "unknown host") != NULL)
7349 || (StrStr(message, "No remote directory") != NULL)
7350 || (StrStr(message, "not found") != NULL)
7351 || (StrStr(message, "No such file") != NULL)
7352 || (StrStr(message, "can't alloc") != NULL)
7353 || (StrStr(message, "Permission denied") != NULL)) {
7355 cps->maybeThinking = FALSE;
7356 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7357 cps->which, cps->program, cps->host, message);
7358 RemoveInputSource(cps->isr);
7359 DisplayFatalError(buf1, 0, 1);
7364 * Look for hint output
7366 if (sscanf(message, "Hint: %s", buf1) == 1) {
7367 if (cps == &first && hintRequested) {
7368 hintRequested = FALSE;
7369 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7370 &fromX, &fromY, &toX, &toY, &promoChar)) {
7371 (void) CoordsToAlgebraic(boards[forwardMostMove],
7372 PosFlags(forwardMostMove),
7373 fromY, fromX, toY, toX, promoChar, buf1);
7374 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7375 DisplayInformation(buf2);
7377 /* Hint move could not be parsed!? */
7378 snprintf(buf2, sizeof(buf2),
7379 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7381 DisplayError(buf2, 0);
7384 strcpy(lastHint, buf1);
7390 * Ignore other messages if game is not in progress
7392 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7393 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7396 * look for win, lose, draw, or draw offer
7398 if (strncmp(message, "1-0", 3) == 0) {
7399 char *p, *q, *r = "";
7400 p = strchr(message, '{');
7408 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7410 } else if (strncmp(message, "0-1", 3) == 0) {
7411 char *p, *q, *r = "";
7412 p = strchr(message, '{');
7420 /* Kludge for Arasan 4.1 bug */
7421 if (strcmp(r, "Black resigns") == 0) {
7422 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7425 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7427 } else if (strncmp(message, "1/2", 3) == 0) {
7428 char *p, *q, *r = "";
7429 p = strchr(message, '{');
7438 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7441 } else if (strncmp(message, "White resign", 12) == 0) {
7442 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7444 } else if (strncmp(message, "Black resign", 12) == 0) {
7445 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7447 } else if (strncmp(message, "White matches", 13) == 0 ||
7448 strncmp(message, "Black matches", 13) == 0 ) {
7449 /* [HGM] ignore GNUShogi noises */
7451 } else if (strncmp(message, "White", 5) == 0 &&
7452 message[5] != '(' &&
7453 StrStr(message, "Black") == NULL) {
7454 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7456 } else if (strncmp(message, "Black", 5) == 0 &&
7457 message[5] != '(') {
7458 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7460 } else if (strcmp(message, "resign") == 0 ||
7461 strcmp(message, "computer resigns") == 0) {
7463 case MachinePlaysBlack:
7464 case IcsPlayingBlack:
7465 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7467 case MachinePlaysWhite:
7468 case IcsPlayingWhite:
7469 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7471 case TwoMachinesPlay:
7472 if (cps->twoMachinesColor[0] == 'w')
7473 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7482 } else if (strncmp(message, "opponent mates", 14) == 0) {
7484 case MachinePlaysBlack:
7485 case IcsPlayingBlack:
7486 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7488 case MachinePlaysWhite:
7489 case IcsPlayingWhite:
7490 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7492 case TwoMachinesPlay:
7493 if (cps->twoMachinesColor[0] == 'w')
7494 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7496 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7503 } else if (strncmp(message, "computer mates", 14) == 0) {
7505 case MachinePlaysBlack:
7506 case IcsPlayingBlack:
7507 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7509 case MachinePlaysWhite:
7510 case IcsPlayingWhite:
7511 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7513 case TwoMachinesPlay:
7514 if (cps->twoMachinesColor[0] == 'w')
7515 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7517 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7524 } else if (strncmp(message, "checkmate", 9) == 0) {
7525 if (WhiteOnMove(forwardMostMove)) {
7526 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7528 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7531 } else if (strstr(message, "Draw") != NULL ||
7532 strstr(message, "game is a draw") != NULL) {
7533 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7535 } else if (strstr(message, "offer") != NULL &&
7536 strstr(message, "draw") != NULL) {
7538 if (appData.zippyPlay && first.initDone) {
7539 /* Relay offer to ICS */
7540 SendToICS(ics_prefix);
7541 SendToICS("draw\n");
7544 cps->offeredDraw = 2; /* valid until this engine moves twice */
7545 if (gameMode == TwoMachinesPlay) {
7546 if (cps->other->offeredDraw) {
7547 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7548 /* [HGM] in two-machine mode we delay relaying draw offer */
7549 /* until after we also have move, to see if it is really claim */
7551 } else if (gameMode == MachinePlaysWhite ||
7552 gameMode == MachinePlaysBlack) {
7553 if (userOfferedDraw) {
7554 DisplayInformation(_("Machine accepts your draw offer"));
7555 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7557 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7564 * Look for thinking output
7566 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7567 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7569 int plylev, mvleft, mvtot, curscore, time;
7570 char mvname[MOVE_LEN];
7574 int prefixHint = FALSE;
7575 mvname[0] = NULLCHAR;
7578 case MachinePlaysBlack:
7579 case IcsPlayingBlack:
7580 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7582 case MachinePlaysWhite:
7583 case IcsPlayingWhite:
7584 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7589 case IcsObserving: /* [DM] icsEngineAnalyze */
7590 if (!appData.icsEngineAnalyze) ignore = TRUE;
7592 case TwoMachinesPlay:
7593 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7604 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7605 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7607 if (plyext != ' ' && plyext != '\t') {
7611 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7612 if( cps->scoreIsAbsolute &&
7613 ( gameMode == MachinePlaysBlack ||
7614 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7615 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7616 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7617 !WhiteOnMove(currentMove)
7620 curscore = -curscore;
7624 programStats.depth = plylev;
7625 programStats.nodes = nodes;
7626 programStats.time = time;
7627 programStats.score = curscore;
7628 programStats.got_only_move = 0;
7630 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7633 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7634 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7635 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7636 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7637 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7638 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7639 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7640 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7643 /* Buffer overflow protection */
7644 if (buf1[0] != NULLCHAR) {
7645 if (strlen(buf1) >= sizeof(programStats.movelist)
7646 && appData.debugMode) {
7648 "PV is too long; using the first %u bytes.\n",
7649 (unsigned) sizeof(programStats.movelist) - 1);
7652 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7654 sprintf(programStats.movelist, " no PV\n");
7657 if (programStats.seen_stat) {
7658 programStats.ok_to_send = 1;
7661 if (strchr(programStats.movelist, '(') != NULL) {
7662 programStats.line_is_book = 1;
7663 programStats.nr_moves = 0;
7664 programStats.moves_left = 0;
7666 programStats.line_is_book = 0;
7669 SendProgramStatsToFrontend( cps, &programStats );
7672 [AS] Protect the thinkOutput buffer from overflow... this
7673 is only useful if buf1 hasn't overflowed first!
7675 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7677 (gameMode == TwoMachinesPlay ?
7678 ToUpper(cps->twoMachinesColor[0]) : ' '),
7679 ((double) curscore) / 100.0,
7680 prefixHint ? lastHint : "",
7681 prefixHint ? " " : "" );
7683 if( buf1[0] != NULLCHAR ) {
7684 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7686 if( strlen(buf1) > max_len ) {
7687 if( appData.debugMode) {
7688 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7690 buf1[max_len+1] = '\0';
7693 strcat( thinkOutput, buf1 );
7696 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7697 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7698 DisplayMove(currentMove - 1);
7702 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7703 /* crafty (9.25+) says "(only move) <move>"
7704 * if there is only 1 legal move
7706 sscanf(p, "(only move) %s", buf1);
7707 sprintf(thinkOutput, "%s (only move)", buf1);
7708 sprintf(programStats.movelist, "%s (only move)", buf1);
7709 programStats.depth = 1;
7710 programStats.nr_moves = 1;
7711 programStats.moves_left = 1;
7712 programStats.nodes = 1;
7713 programStats.time = 1;
7714 programStats.got_only_move = 1;
7716 /* Not really, but we also use this member to
7717 mean "line isn't going to change" (Crafty
7718 isn't searching, so stats won't change) */
7719 programStats.line_is_book = 1;
7721 SendProgramStatsToFrontend( cps, &programStats );
7723 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7724 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7725 DisplayMove(currentMove - 1);
7728 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7729 &time, &nodes, &plylev, &mvleft,
7730 &mvtot, mvname) >= 5) {
7731 /* The stat01: line is from Crafty (9.29+) in response
7732 to the "." command */
7733 programStats.seen_stat = 1;
7734 cps->maybeThinking = TRUE;
7736 if (programStats.got_only_move || !appData.periodicUpdates)
7739 programStats.depth = plylev;
7740 programStats.time = time;
7741 programStats.nodes = nodes;
7742 programStats.moves_left = mvleft;
7743 programStats.nr_moves = mvtot;
7744 strcpy(programStats.move_name, mvname);
7745 programStats.ok_to_send = 1;
7746 programStats.movelist[0] = '\0';
7748 SendProgramStatsToFrontend( cps, &programStats );
7752 } else if (strncmp(message,"++",2) == 0) {
7753 /* Crafty 9.29+ outputs this */
7754 programStats.got_fail = 2;
7757 } else if (strncmp(message,"--",2) == 0) {
7758 /* Crafty 9.29+ outputs this */
7759 programStats.got_fail = 1;
7762 } else if (thinkOutput[0] != NULLCHAR &&
7763 strncmp(message, " ", 4) == 0) {
7764 unsigned message_len;
7767 while (*p && *p == ' ') p++;
7769 message_len = strlen( p );
7771 /* [AS] Avoid buffer overflow */
7772 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7773 strcat(thinkOutput, " ");
7774 strcat(thinkOutput, p);
7777 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7778 strcat(programStats.movelist, " ");
7779 strcat(programStats.movelist, p);
7782 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7783 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7784 DisplayMove(currentMove - 1);
7792 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7793 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7795 ChessProgramStats cpstats;
7797 if (plyext != ' ' && plyext != '\t') {
7801 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7802 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7803 curscore = -curscore;
7806 cpstats.depth = plylev;
7807 cpstats.nodes = nodes;
7808 cpstats.time = time;
7809 cpstats.score = curscore;
7810 cpstats.got_only_move = 0;
7811 cpstats.movelist[0] = '\0';
7813 if (buf1[0] != NULLCHAR) {
7814 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7817 cpstats.ok_to_send = 0;
7818 cpstats.line_is_book = 0;
7819 cpstats.nr_moves = 0;
7820 cpstats.moves_left = 0;
7822 SendProgramStatsToFrontend( cps, &cpstats );
7829 /* Parse a game score from the character string "game", and
7830 record it as the history of the current game. The game
7831 score is NOT assumed to start from the standard position.
7832 The display is not updated in any way.
7835 ParseGameHistory(game)
7839 int fromX, fromY, toX, toY, boardIndex;
7844 if (appData.debugMode)
7845 fprintf(debugFP, "Parsing game history: %s\n", game);
7847 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7848 gameInfo.site = StrSave(appData.icsHost);
7849 gameInfo.date = PGNDate();
7850 gameInfo.round = StrSave("-");
7852 /* Parse out names of players */
7853 while (*game == ' ') game++;
7855 while (*game != ' ') *p++ = *game++;
7857 gameInfo.white = StrSave(buf);
7858 while (*game == ' ') game++;
7860 while (*game != ' ' && *game != '\n') *p++ = *game++;
7862 gameInfo.black = StrSave(buf);
7865 boardIndex = blackPlaysFirst ? 1 : 0;
7868 yyboardindex = boardIndex;
7869 moveType = (ChessMove) yylex();
7871 case IllegalMove: /* maybe suicide chess, etc. */
7872 if (appData.debugMode) {
7873 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7874 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7875 setbuf(debugFP, NULL);
7877 case WhitePromotionChancellor:
7878 case BlackPromotionChancellor:
7879 case WhitePromotionArchbishop:
7880 case BlackPromotionArchbishop:
7881 case WhitePromotionQueen:
7882 case BlackPromotionQueen:
7883 case WhitePromotionRook:
7884 case BlackPromotionRook:
7885 case WhitePromotionBishop:
7886 case BlackPromotionBishop:
7887 case WhitePromotionKnight:
7888 case BlackPromotionKnight:
7889 case WhitePromotionKing:
7890 case BlackPromotionKing:
7892 case WhiteCapturesEnPassant:
7893 case BlackCapturesEnPassant:
7894 case WhiteKingSideCastle:
7895 case WhiteQueenSideCastle:
7896 case BlackKingSideCastle:
7897 case BlackQueenSideCastle:
7898 case WhiteKingSideCastleWild:
7899 case WhiteQueenSideCastleWild:
7900 case BlackKingSideCastleWild:
7901 case BlackQueenSideCastleWild:
7903 case WhiteHSideCastleFR:
7904 case WhiteASideCastleFR:
7905 case BlackHSideCastleFR:
7906 case BlackASideCastleFR:
7908 fromX = currentMoveString[0] - AAA;
7909 fromY = currentMoveString[1] - ONE;
7910 toX = currentMoveString[2] - AAA;
7911 toY = currentMoveString[3] - ONE;
7912 promoChar = currentMoveString[4];
7916 fromX = moveType == WhiteDrop ?
7917 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7918 (int) CharToPiece(ToLower(currentMoveString[0]));
7920 toX = currentMoveString[2] - AAA;
7921 toY = currentMoveString[3] - ONE;
7922 promoChar = NULLCHAR;
7926 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7927 if (appData.debugMode) {
7928 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7929 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7930 setbuf(debugFP, NULL);
7932 DisplayError(buf, 0);
7934 case ImpossibleMove:
7936 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7937 if (appData.debugMode) {
7938 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7939 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7940 setbuf(debugFP, NULL);
7942 DisplayError(buf, 0);
7944 case (ChessMove) 0: /* end of file */
7945 if (boardIndex < backwardMostMove) {
7946 /* Oops, gap. How did that happen? */
7947 DisplayError(_("Gap in move list"), 0);
7950 backwardMostMove = blackPlaysFirst ? 1 : 0;
7951 if (boardIndex > forwardMostMove) {
7952 forwardMostMove = boardIndex;
7956 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7957 strcat(parseList[boardIndex-1], " ");
7958 strcat(parseList[boardIndex-1], yy_text);
7970 case GameUnfinished:
7971 if (gameMode == IcsExamining) {
7972 if (boardIndex < backwardMostMove) {
7973 /* Oops, gap. How did that happen? */
7976 backwardMostMove = blackPlaysFirst ? 1 : 0;
7979 gameInfo.result = moveType;
7980 p = strchr(yy_text, '{');
7981 if (p == NULL) p = strchr(yy_text, '(');
7984 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7986 q = strchr(p, *p == '{' ? '}' : ')');
7987 if (q != NULL) *q = NULLCHAR;
7990 gameInfo.resultDetails = StrSave(p);
7993 if (boardIndex >= forwardMostMove &&
7994 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7995 backwardMostMove = blackPlaysFirst ? 1 : 0;
7998 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
7999 fromY, fromX, toY, toX, promoChar,
8000 parseList[boardIndex]);
8001 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8002 /* currentMoveString is set as a side-effect of yylex */
8003 strcpy(moveList[boardIndex], currentMoveString);
8004 strcat(moveList[boardIndex], "\n");
8006 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8007 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8013 if(gameInfo.variant != VariantShogi)
8014 strcat(parseList[boardIndex - 1], "+");
8018 strcat(parseList[boardIndex - 1], "#");
8025 /* Apply a move to the given board */
8027 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8028 int fromX, fromY, toX, toY;
8032 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8033 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8035 /* [HGM] compute & store e.p. status and castling rights for new position */
8036 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8039 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8040 oldEP = (signed char)board[EP_STATUS];
8041 board[EP_STATUS] = EP_NONE;
8043 if( board[toY][toX] != EmptySquare )
8044 board[EP_STATUS] = EP_CAPTURE;
8046 if( board[fromY][fromX] == WhitePawn ) {
8047 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8048 board[EP_STATUS] = EP_PAWN_MOVE;
8050 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8051 gameInfo.variant != VariantBerolina || toX < fromX)
8052 board[EP_STATUS] = toX | berolina;
8053 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8054 gameInfo.variant != VariantBerolina || toX > fromX)
8055 board[EP_STATUS] = toX;
8058 if( board[fromY][fromX] == BlackPawn ) {
8059 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8060 board[EP_STATUS] = EP_PAWN_MOVE;
8061 if( toY-fromY== -2) {
8062 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8063 gameInfo.variant != VariantBerolina || toX < fromX)
8064 board[EP_STATUS] = toX | berolina;
8065 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8066 gameInfo.variant != VariantBerolina || toX > fromX)
8067 board[EP_STATUS] = toX;
8071 for(i=0; i<nrCastlingRights; i++) {
8072 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8073 board[CASTLING][i] == toX && castlingRank[i] == toY
8074 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8079 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8080 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8081 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8083 if (fromX == toX && fromY == toY) return;
8085 if (fromY == DROP_RANK) {
8087 piece = board[toY][toX] = (ChessSquare) fromX;
8089 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8090 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8091 if(gameInfo.variant == VariantKnightmate)
8092 king += (int) WhiteUnicorn - (int) WhiteKing;
8094 /* Code added by Tord: */
8095 /* FRC castling assumed when king captures friendly rook. */
8096 if (board[fromY][fromX] == WhiteKing &&
8097 board[toY][toX] == WhiteRook) {
8098 board[fromY][fromX] = EmptySquare;
8099 board[toY][toX] = EmptySquare;
8101 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8103 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8105 } else if (board[fromY][fromX] == BlackKing &&
8106 board[toY][toX] == BlackRook) {
8107 board[fromY][fromX] = EmptySquare;
8108 board[toY][toX] = EmptySquare;
8110 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8112 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8114 /* End of code added by Tord */
8116 } else if (board[fromY][fromX] == king
8117 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8118 && toY == fromY && toX > fromX+1) {
8119 board[fromY][fromX] = EmptySquare;
8120 board[toY][toX] = king;
8121 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8122 board[fromY][BOARD_RGHT-1] = EmptySquare;
8123 } else if (board[fromY][fromX] == king
8124 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8125 && toY == fromY && toX < fromX-1) {
8126 board[fromY][fromX] = EmptySquare;
8127 board[toY][toX] = king;
8128 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8129 board[fromY][BOARD_LEFT] = EmptySquare;
8130 } else if (board[fromY][fromX] == WhitePawn
8131 && toY >= BOARD_HEIGHT-promoRank
8132 && gameInfo.variant != VariantXiangqi
8134 /* white pawn promotion */
8135 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8136 if (board[toY][toX] == EmptySquare) {
8137 board[toY][toX] = WhiteQueen;
8139 if(gameInfo.variant==VariantBughouse ||
8140 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8141 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8142 board[fromY][fromX] = EmptySquare;
8143 } else if ((fromY == BOARD_HEIGHT-4)
8145 && gameInfo.variant != VariantXiangqi
8146 && gameInfo.variant != VariantBerolina
8147 && (board[fromY][fromX] == WhitePawn)
8148 && (board[toY][toX] == EmptySquare)) {
8149 board[fromY][fromX] = EmptySquare;
8150 board[toY][toX] = WhitePawn;
8151 captured = board[toY - 1][toX];
8152 board[toY - 1][toX] = EmptySquare;
8153 } else if ((fromY == BOARD_HEIGHT-4)
8155 && gameInfo.variant == VariantBerolina
8156 && (board[fromY][fromX] == WhitePawn)
8157 && (board[toY][toX] == EmptySquare)) {
8158 board[fromY][fromX] = EmptySquare;
8159 board[toY][toX] = WhitePawn;
8160 if(oldEP & EP_BEROLIN_A) {
8161 captured = board[fromY][fromX-1];
8162 board[fromY][fromX-1] = EmptySquare;
8163 }else{ captured = board[fromY][fromX+1];
8164 board[fromY][fromX+1] = EmptySquare;
8166 } else if (board[fromY][fromX] == king
8167 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8168 && toY == fromY && toX > fromX+1) {
8169 board[fromY][fromX] = EmptySquare;
8170 board[toY][toX] = king;
8171 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8172 board[fromY][BOARD_RGHT-1] = EmptySquare;
8173 } else if (board[fromY][fromX] == king
8174 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8175 && toY == fromY && toX < fromX-1) {
8176 board[fromY][fromX] = EmptySquare;
8177 board[toY][toX] = king;
8178 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8179 board[fromY][BOARD_LEFT] = EmptySquare;
8180 } else if (fromY == 7 && fromX == 3
8181 && board[fromY][fromX] == BlackKing
8182 && toY == 7 && toX == 5) {
8183 board[fromY][fromX] = EmptySquare;
8184 board[toY][toX] = BlackKing;
8185 board[fromY][7] = EmptySquare;
8186 board[toY][4] = BlackRook;
8187 } else if (fromY == 7 && fromX == 3
8188 && board[fromY][fromX] == BlackKing
8189 && toY == 7 && toX == 1) {
8190 board[fromY][fromX] = EmptySquare;
8191 board[toY][toX] = BlackKing;
8192 board[fromY][0] = EmptySquare;
8193 board[toY][2] = BlackRook;
8194 } else if (board[fromY][fromX] == BlackPawn
8196 && gameInfo.variant != VariantXiangqi
8198 /* black pawn promotion */
8199 board[toY][toX] = CharToPiece(ToLower(promoChar));
8200 if (board[toY][toX] == EmptySquare) {
8201 board[toY][toX] = BlackQueen;
8203 if(gameInfo.variant==VariantBughouse ||
8204 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8205 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8206 board[fromY][fromX] = EmptySquare;
8207 } else if ((fromY == 3)
8209 && gameInfo.variant != VariantXiangqi
8210 && gameInfo.variant != VariantBerolina
8211 && (board[fromY][fromX] == BlackPawn)
8212 && (board[toY][toX] == EmptySquare)) {
8213 board[fromY][fromX] = EmptySquare;
8214 board[toY][toX] = BlackPawn;
8215 captured = board[toY + 1][toX];
8216 board[toY + 1][toX] = EmptySquare;
8217 } else if ((fromY == 3)
8219 && gameInfo.variant == VariantBerolina
8220 && (board[fromY][fromX] == BlackPawn)
8221 && (board[toY][toX] == EmptySquare)) {
8222 board[fromY][fromX] = EmptySquare;
8223 board[toY][toX] = BlackPawn;
8224 if(oldEP & EP_BEROLIN_A) {
8225 captured = board[fromY][fromX-1];
8226 board[fromY][fromX-1] = EmptySquare;
8227 }else{ captured = board[fromY][fromX+1];
8228 board[fromY][fromX+1] = EmptySquare;
8231 board[toY][toX] = board[fromY][fromX];
8232 board[fromY][fromX] = EmptySquare;
8235 /* [HGM] now we promote for Shogi, if needed */
8236 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8237 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8240 if (gameInfo.holdingsWidth != 0) {
8242 /* !!A lot more code needs to be written to support holdings */
8243 /* [HGM] OK, so I have written it. Holdings are stored in the */
8244 /* penultimate board files, so they are automaticlly stored */
8245 /* in the game history. */
8246 if (fromY == DROP_RANK) {
8247 /* Delete from holdings, by decreasing count */
8248 /* and erasing image if necessary */
8250 if(p < (int) BlackPawn) { /* white drop */
8251 p -= (int)WhitePawn;
8252 p = PieceToNumber((ChessSquare)p);
8253 if(p >= gameInfo.holdingsSize) p = 0;
8254 if(--board[p][BOARD_WIDTH-2] <= 0)
8255 board[p][BOARD_WIDTH-1] = EmptySquare;
8256 if((int)board[p][BOARD_WIDTH-2] < 0)
8257 board[p][BOARD_WIDTH-2] = 0;
8258 } else { /* black drop */
8259 p -= (int)BlackPawn;
8260 p = PieceToNumber((ChessSquare)p);
8261 if(p >= gameInfo.holdingsSize) p = 0;
8262 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8263 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8264 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8265 board[BOARD_HEIGHT-1-p][1] = 0;
8268 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8269 && gameInfo.variant != VariantBughouse ) {
8270 /* [HGM] holdings: Add to holdings, if holdings exist */
8271 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8272 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8273 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8276 if (p >= (int) BlackPawn) {
8277 p -= (int)BlackPawn;
8278 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8279 /* in Shogi restore piece to its original first */
8280 captured = (ChessSquare) (DEMOTED captured);
8283 p = PieceToNumber((ChessSquare)p);
8284 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8285 board[p][BOARD_WIDTH-2]++;
8286 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8288 p -= (int)WhitePawn;
8289 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8290 captured = (ChessSquare) (DEMOTED captured);
8293 p = PieceToNumber((ChessSquare)p);
8294 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8295 board[BOARD_HEIGHT-1-p][1]++;
8296 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8299 } else if (gameInfo.variant == VariantAtomic) {
8300 if (captured != EmptySquare) {
8302 for (y = toY-1; y <= toY+1; y++) {
8303 for (x = toX-1; x <= toX+1; x++) {
8304 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8305 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8306 board[y][x] = EmptySquare;
8310 board[toY][toX] = EmptySquare;
8313 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8314 /* [HGM] Shogi promotions */
8315 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8318 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8319 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8320 // [HGM] superchess: take promotion piece out of holdings
8321 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8322 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8323 if(!--board[k][BOARD_WIDTH-2])
8324 board[k][BOARD_WIDTH-1] = EmptySquare;
8326 if(!--board[BOARD_HEIGHT-1-k][1])
8327 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8333 /* Updates forwardMostMove */
8335 MakeMove(fromX, fromY, toX, toY, promoChar)
8336 int fromX, fromY, toX, toY;
8339 // forwardMostMove++; // [HGM] bare: moved downstream
8341 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8342 int timeLeft; static int lastLoadFlag=0; int king, piece;
8343 piece = boards[forwardMostMove][fromY][fromX];
8344 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8345 if(gameInfo.variant == VariantKnightmate)
8346 king += (int) WhiteUnicorn - (int) WhiteKing;
8347 if(forwardMostMove == 0) {
8349 fprintf(serverMoves, "%s;", second.tidy);
8350 fprintf(serverMoves, "%s;", first.tidy);
8351 if(!blackPlaysFirst)
8352 fprintf(serverMoves, "%s;", second.tidy);
8353 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8354 lastLoadFlag = loadFlag;
8356 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8357 // print castling suffix
8358 if( toY == fromY && piece == king ) {
8360 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8362 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8365 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8366 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8367 boards[forwardMostMove][toY][toX] == EmptySquare
8369 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8371 if(promoChar != NULLCHAR)
8372 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8374 fprintf(serverMoves, "/%d/%d",
8375 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8376 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8377 else timeLeft = blackTimeRemaining/1000;
8378 fprintf(serverMoves, "/%d", timeLeft);
8380 fflush(serverMoves);
8383 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8388 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8389 if (commentList[forwardMostMove+1] != NULL) {
8390 free(commentList[forwardMostMove+1]);
8391 commentList[forwardMostMove+1] = NULL;
8393 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8394 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8395 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8396 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8397 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8398 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8399 gameInfo.result = GameUnfinished;
8400 if (gameInfo.resultDetails != NULL) {
8401 free(gameInfo.resultDetails);
8402 gameInfo.resultDetails = NULL;
8404 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8405 moveList[forwardMostMove - 1]);
8406 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8407 PosFlags(forwardMostMove - 1),
8408 fromY, fromX, toY, toX, promoChar,
8409 parseList[forwardMostMove - 1]);
8410 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8416 if(gameInfo.variant != VariantShogi)
8417 strcat(parseList[forwardMostMove - 1], "+");
8421 strcat(parseList[forwardMostMove - 1], "#");
8424 if (appData.debugMode) {
8425 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8430 /* Updates currentMove if not pausing */
8432 ShowMove(fromX, fromY, toX, toY)
8434 int instant = (gameMode == PlayFromGameFile) ?
8435 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8436 if(appData.noGUI) return;
8437 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8439 if (forwardMostMove == currentMove + 1) {
8440 AnimateMove(boards[forwardMostMove - 1],
8441 fromX, fromY, toX, toY);
8443 if (appData.highlightLastMove) {
8444 SetHighlights(fromX, fromY, toX, toY);
8447 currentMove = forwardMostMove;
8450 if (instant) return;
8452 DisplayMove(currentMove - 1);
8453 DrawPosition(FALSE, boards[currentMove]);
8454 DisplayBothClocks();
8455 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8458 void SendEgtPath(ChessProgramState *cps)
8459 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8460 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8462 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8465 char c, *q = name+1, *r, *s;
8467 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8468 while(*p && *p != ',') *q++ = *p++;
8470 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8471 strcmp(name, ",nalimov:") == 0 ) {
8472 // take nalimov path from the menu-changeable option first, if it is defined
8473 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8474 SendToProgram(buf,cps); // send egtbpath command for nalimov
8476 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8477 (s = StrStr(appData.egtFormats, name)) != NULL) {
8478 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8479 s = r = StrStr(s, ":") + 1; // beginning of path info
8480 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8481 c = *r; *r = 0; // temporarily null-terminate path info
8482 *--q = 0; // strip of trailig ':' from name
8483 sprintf(buf, "egtpath %s %s\n", name+1, s);
8485 SendToProgram(buf,cps); // send egtbpath command for this format
8487 if(*p == ',') p++; // read away comma to position for next format name
8492 InitChessProgram(cps, setup)
8493 ChessProgramState *cps;
8494 int setup; /* [HGM] needed to setup FRC opening position */
8496 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8497 if (appData.noChessProgram) return;
8498 hintRequested = FALSE;
8499 bookRequested = FALSE;
8501 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8502 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8503 if(cps->memSize) { /* [HGM] memory */
8504 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8505 SendToProgram(buf, cps);
8507 SendEgtPath(cps); /* [HGM] EGT */
8508 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8509 sprintf(buf, "cores %d\n", appData.smpCores);
8510 SendToProgram(buf, cps);
8513 SendToProgram(cps->initString, cps);
8514 if (gameInfo.variant != VariantNormal &&
8515 gameInfo.variant != VariantLoadable
8516 /* [HGM] also send variant if board size non-standard */
8517 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8519 char *v = VariantName(gameInfo.variant);
8520 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8521 /* [HGM] in protocol 1 we have to assume all variants valid */
8522 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8523 DisplayFatalError(buf, 0, 1);
8527 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8528 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8529 if( gameInfo.variant == VariantXiangqi )
8530 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8531 if( gameInfo.variant == VariantShogi )
8532 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8533 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8534 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8535 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8536 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8537 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8538 if( gameInfo.variant == VariantCourier )
8539 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8540 if( gameInfo.variant == VariantSuper )
8541 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8542 if( gameInfo.variant == VariantGreat )
8543 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8546 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8547 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8548 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8549 if(StrStr(cps->variants, b) == NULL) {
8550 // specific sized variant not known, check if general sizing allowed
8551 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8552 if(StrStr(cps->variants, "boardsize") == NULL) {
8553 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8554 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8555 DisplayFatalError(buf, 0, 1);
8558 /* [HGM] here we really should compare with the maximum supported board size */
8561 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8562 sprintf(buf, "variant %s\n", b);
8563 SendToProgram(buf, cps);
8565 currentlyInitializedVariant = gameInfo.variant;
8567 /* [HGM] send opening position in FRC to first engine */
8569 SendToProgram("force\n", cps);
8571 /* engine is now in force mode! Set flag to wake it up after first move. */
8572 setboardSpoiledMachineBlack = 1;
8576 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8577 SendToProgram(buf, cps);
8579 cps->maybeThinking = FALSE;
8580 cps->offeredDraw = 0;
8581 if (!appData.icsActive) {
8582 SendTimeControl(cps, movesPerSession, timeControl,
8583 timeIncrement, appData.searchDepth,
8586 if (appData.showThinking
8587 // [HGM] thinking: four options require thinking output to be sent
8588 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8590 SendToProgram("post\n", cps);
8592 SendToProgram("hard\n", cps);
8593 if (!appData.ponderNextMove) {
8594 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8595 it without being sure what state we are in first. "hard"
8596 is not a toggle, so that one is OK.
8598 SendToProgram("easy\n", cps);
8601 sprintf(buf, "ping %d\n", ++cps->lastPing);
8602 SendToProgram(buf, cps);
8604 cps->initDone = TRUE;
8609 StartChessProgram(cps)
8610 ChessProgramState *cps;
8615 if (appData.noChessProgram) return;
8616 cps->initDone = FALSE;
8618 if (strcmp(cps->host, "localhost") == 0) {
8619 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8620 } else if (*appData.remoteShell == NULLCHAR) {
8621 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8623 if (*appData.remoteUser == NULLCHAR) {
8624 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8627 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8628 cps->host, appData.remoteUser, cps->program);
8630 err = StartChildProcess(buf, "", &cps->pr);
8634 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8635 DisplayFatalError(buf, err, 1);
8641 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8642 if (cps->protocolVersion > 1) {
8643 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8644 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8645 cps->comboCnt = 0; // and values of combo boxes
8646 SendToProgram(buf, cps);
8648 SendToProgram("xboard\n", cps);
8654 TwoMachinesEventIfReady P((void))
8656 if (first.lastPing != first.lastPong) {
8657 DisplayMessage("", _("Waiting for first chess program"));
8658 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8661 if (second.lastPing != second.lastPong) {
8662 DisplayMessage("", _("Waiting for second chess program"));
8663 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8671 NextMatchGame P((void))
8673 int index; /* [HGM] autoinc: step load index during match */
8675 if (*appData.loadGameFile != NULLCHAR) {
8676 index = appData.loadGameIndex;
8677 if(index < 0) { // [HGM] autoinc
8678 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8679 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8681 LoadGameFromFile(appData.loadGameFile,
8683 appData.loadGameFile, FALSE);
8684 } else if (*appData.loadPositionFile != NULLCHAR) {
8685 index = appData.loadPositionIndex;
8686 if(index < 0) { // [HGM] autoinc
8687 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8688 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8690 LoadPositionFromFile(appData.loadPositionFile,
8692 appData.loadPositionFile);
8694 TwoMachinesEventIfReady();
8697 void UserAdjudicationEvent( int result )
8699 ChessMove gameResult = GameIsDrawn;
8702 gameResult = WhiteWins;
8704 else if( result < 0 ) {
8705 gameResult = BlackWins;
8708 if( gameMode == TwoMachinesPlay ) {
8709 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8714 // [HGM] save: calculate checksum of game to make games easily identifiable
8715 int StringCheckSum(char *s)
8718 if(s==NULL) return 0;
8719 while(*s) i = i*259 + *s++;
8726 for(i=backwardMostMove; i<forwardMostMove; i++) {
8727 sum += pvInfoList[i].depth;
8728 sum += StringCheckSum(parseList[i]);
8729 sum += StringCheckSum(commentList[i]);
8732 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8733 return sum + StringCheckSum(commentList[i]);
8734 } // end of save patch
8737 GameEnds(result, resultDetails, whosays)
8739 char *resultDetails;
8742 GameMode nextGameMode;
8746 if(endingGame) return; /* [HGM] crash: forbid recursion */
8749 if (appData.debugMode) {
8750 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8751 result, resultDetails ? resultDetails : "(null)", whosays);
8754 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8756 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8757 /* If we are playing on ICS, the server decides when the
8758 game is over, but the engine can offer to draw, claim
8762 if (appData.zippyPlay && first.initDone) {
8763 if (result == GameIsDrawn) {
8764 /* In case draw still needs to be claimed */
8765 SendToICS(ics_prefix);
8766 SendToICS("draw\n");
8767 } else if (StrCaseStr(resultDetails, "resign")) {
8768 SendToICS(ics_prefix);
8769 SendToICS("resign\n");
8773 endingGame = 0; /* [HGM] crash */
8777 /* If we're loading the game from a file, stop */
8778 if (whosays == GE_FILE) {
8779 (void) StopLoadGameTimer();
8783 /* Cancel draw offers */
8784 first.offeredDraw = second.offeredDraw = 0;
8786 /* If this is an ICS game, only ICS can really say it's done;
8787 if not, anyone can. */
8788 isIcsGame = (gameMode == IcsPlayingWhite ||
8789 gameMode == IcsPlayingBlack ||
8790 gameMode == IcsObserving ||
8791 gameMode == IcsExamining);
8793 if (!isIcsGame || whosays == GE_ICS) {
8794 /* OK -- not an ICS game, or ICS said it was done */
8796 if (!isIcsGame && !appData.noChessProgram)
8797 SetUserThinkingEnables();
8799 /* [HGM] if a machine claims the game end we verify this claim */
8800 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8801 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8803 ChessMove trueResult = (ChessMove) -1;
8805 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8806 first.twoMachinesColor[0] :
8807 second.twoMachinesColor[0] ;
8809 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8810 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8811 /* [HGM] verify: engine mate claims accepted if they were flagged */
8812 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8814 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8815 /* [HGM] verify: engine mate claims accepted if they were flagged */
8816 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8818 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8819 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8822 // now verify win claims, but not in drop games, as we don't understand those yet
8823 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8824 || gameInfo.variant == VariantGreat) &&
8825 (result == WhiteWins && claimer == 'w' ||
8826 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8827 if (appData.debugMode) {
8828 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8829 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8831 if(result != trueResult) {
8832 sprintf(buf, "False win claim: '%s'", resultDetails);
8833 result = claimer == 'w' ? BlackWins : WhiteWins;
8834 resultDetails = buf;
8837 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8838 && (forwardMostMove <= backwardMostMove ||
8839 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8840 (claimer=='b')==(forwardMostMove&1))
8842 /* [HGM] verify: draws that were not flagged are false claims */
8843 sprintf(buf, "False draw claim: '%s'", resultDetails);
8844 result = claimer == 'w' ? BlackWins : WhiteWins;
8845 resultDetails = buf;
8847 /* (Claiming a loss is accepted no questions asked!) */
8849 /* [HGM] bare: don't allow bare King to win */
8850 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8851 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8852 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8853 && result != GameIsDrawn)
8854 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8855 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8856 int p = (signed char)boards[forwardMostMove][i][j] - color;
8857 if(p >= 0 && p <= (int)WhiteKing) k++;
8859 if (appData.debugMode) {
8860 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8861 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8864 result = GameIsDrawn;
8865 sprintf(buf, "%s but bare king", resultDetails);
8866 resultDetails = buf;
8872 if(serverMoves != NULL && !loadFlag) { char c = '=';
8873 if(result==WhiteWins) c = '+';
8874 if(result==BlackWins) c = '-';
8875 if(resultDetails != NULL)
8876 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8878 if (resultDetails != NULL) {
8879 gameInfo.result = result;
8880 gameInfo.resultDetails = StrSave(resultDetails);
8882 /* display last move only if game was not loaded from file */
8883 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8884 DisplayMove(currentMove - 1);
8886 if (forwardMostMove != 0) {
8887 if (gameMode != PlayFromGameFile && gameMode != EditGame
8888 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8890 if (*appData.saveGameFile != NULLCHAR) {
8891 SaveGameToFile(appData.saveGameFile, TRUE);
8892 } else if (appData.autoSaveGames) {
8895 if (*appData.savePositionFile != NULLCHAR) {
8896 SavePositionToFile(appData.savePositionFile);
8901 /* Tell program how game ended in case it is learning */
8902 /* [HGM] Moved this to after saving the PGN, just in case */
8903 /* engine died and we got here through time loss. In that */
8904 /* case we will get a fatal error writing the pipe, which */
8905 /* would otherwise lose us the PGN. */
8906 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8907 /* output during GameEnds should never be fatal anymore */
8908 if (gameMode == MachinePlaysWhite ||
8909 gameMode == MachinePlaysBlack ||
8910 gameMode == TwoMachinesPlay ||
8911 gameMode == IcsPlayingWhite ||
8912 gameMode == IcsPlayingBlack ||
8913 gameMode == BeginningOfGame) {
8915 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8917 if (first.pr != NoProc) {
8918 SendToProgram(buf, &first);
8920 if (second.pr != NoProc &&
8921 gameMode == TwoMachinesPlay) {
8922 SendToProgram(buf, &second);
8927 if (appData.icsActive) {
8928 if (appData.quietPlay &&
8929 (gameMode == IcsPlayingWhite ||
8930 gameMode == IcsPlayingBlack)) {
8931 SendToICS(ics_prefix);
8932 SendToICS("set shout 1\n");
8934 nextGameMode = IcsIdle;
8935 ics_user_moved = FALSE;
8936 /* clean up premove. It's ugly when the game has ended and the
8937 * premove highlights are still on the board.
8941 ClearPremoveHighlights();
8942 DrawPosition(FALSE, boards[currentMove]);
8944 if (whosays == GE_ICS) {
8947 if (gameMode == IcsPlayingWhite)
8949 else if(gameMode == IcsPlayingBlack)
8953 if (gameMode == IcsPlayingBlack)
8955 else if(gameMode == IcsPlayingWhite)
8962 PlayIcsUnfinishedSound();
8965 } else if (gameMode == EditGame ||
8966 gameMode == PlayFromGameFile ||
8967 gameMode == AnalyzeMode ||
8968 gameMode == AnalyzeFile) {
8969 nextGameMode = gameMode;
8971 nextGameMode = EndOfGame;
8976 nextGameMode = gameMode;
8979 if (appData.noChessProgram) {
8980 gameMode = nextGameMode;
8982 endingGame = 0; /* [HGM] crash */
8987 /* Put first chess program into idle state */
8988 if (first.pr != NoProc &&
8989 (gameMode == MachinePlaysWhite ||
8990 gameMode == MachinePlaysBlack ||
8991 gameMode == TwoMachinesPlay ||
8992 gameMode == IcsPlayingWhite ||
8993 gameMode == IcsPlayingBlack ||
8994 gameMode == BeginningOfGame)) {
8995 SendToProgram("force\n", &first);
8996 if (first.usePing) {
8998 sprintf(buf, "ping %d\n", ++first.lastPing);
8999 SendToProgram(buf, &first);
9002 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9003 /* Kill off first chess program */
9004 if (first.isr != NULL)
9005 RemoveInputSource(first.isr);
9008 if (first.pr != NoProc) {
9010 DoSleep( appData.delayBeforeQuit );
9011 SendToProgram("quit\n", &first);
9012 DoSleep( appData.delayAfterQuit );
9013 DestroyChildProcess(first.pr, first.useSigterm);
9018 /* Put second chess program into idle state */
9019 if (second.pr != NoProc &&
9020 gameMode == TwoMachinesPlay) {
9021 SendToProgram("force\n", &second);
9022 if (second.usePing) {
9024 sprintf(buf, "ping %d\n", ++second.lastPing);
9025 SendToProgram(buf, &second);
9028 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9029 /* Kill off second chess program */
9030 if (second.isr != NULL)
9031 RemoveInputSource(second.isr);
9034 if (second.pr != NoProc) {
9035 DoSleep( appData.delayBeforeQuit );
9036 SendToProgram("quit\n", &second);
9037 DoSleep( appData.delayAfterQuit );
9038 DestroyChildProcess(second.pr, second.useSigterm);
9043 if (matchMode && gameMode == TwoMachinesPlay) {
9046 if (first.twoMachinesColor[0] == 'w') {
9053 if (first.twoMachinesColor[0] == 'b') {
9062 if (matchGame < appData.matchGames) {
9064 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9065 tmp = first.twoMachinesColor;
9066 first.twoMachinesColor = second.twoMachinesColor;
9067 second.twoMachinesColor = tmp;
9069 gameMode = nextGameMode;
9071 if(appData.matchPause>10000 || appData.matchPause<10)
9072 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9073 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9074 endingGame = 0; /* [HGM] crash */
9078 gameMode = nextGameMode;
9079 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9080 first.tidy, second.tidy,
9081 first.matchWins, second.matchWins,
9082 appData.matchGames - (first.matchWins + second.matchWins));
9083 DisplayFatalError(buf, 0, 0);
9086 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9087 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9089 gameMode = nextGameMode;
9091 endingGame = 0; /* [HGM] crash */
9094 /* Assumes program was just initialized (initString sent).
9095 Leaves program in force mode. */
9097 FeedMovesToProgram(cps, upto)
9098 ChessProgramState *cps;
9103 if (appData.debugMode)
9104 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9105 startedFromSetupPosition ? "position and " : "",
9106 backwardMostMove, upto, cps->which);
9107 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9108 // [HGM] variantswitch: make engine aware of new variant
9109 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9110 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9111 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9112 SendToProgram(buf, cps);
9113 currentlyInitializedVariant = gameInfo.variant;
9115 SendToProgram("force\n", cps);
9116 if (startedFromSetupPosition) {
9117 SendBoard(cps, backwardMostMove);
9118 if (appData.debugMode) {
9119 fprintf(debugFP, "feedMoves\n");
9122 for (i = backwardMostMove; i < upto; i++) {
9123 SendMoveToProgram(i, cps);
9129 ResurrectChessProgram()
9131 /* The chess program may have exited.
9132 If so, restart it and feed it all the moves made so far. */
9134 if (appData.noChessProgram || first.pr != NoProc) return;
9136 StartChessProgram(&first);
9137 InitChessProgram(&first, FALSE);
9138 FeedMovesToProgram(&first, currentMove);
9140 if (!first.sendTime) {
9141 /* can't tell gnuchess what its clock should read,
9142 so we bow to its notion. */
9144 timeRemaining[0][currentMove] = whiteTimeRemaining;
9145 timeRemaining[1][currentMove] = blackTimeRemaining;
9148 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9149 appData.icsEngineAnalyze) && first.analysisSupport) {
9150 SendToProgram("analyze\n", &first);
9151 first.analyzing = TRUE;
9164 if (appData.debugMode) {
9165 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9166 redraw, init, gameMode);
9168 CleanupTail(); // [HGM] vari: delete any stored variations
9169 pausing = pauseExamInvalid = FALSE;
9170 startedFromSetupPosition = blackPlaysFirst = FALSE;
9172 whiteFlag = blackFlag = FALSE;
9173 userOfferedDraw = FALSE;
9174 hintRequested = bookRequested = FALSE;
9175 first.maybeThinking = FALSE;
9176 second.maybeThinking = FALSE;
9177 first.bookSuspend = FALSE; // [HGM] book
9178 second.bookSuspend = FALSE;
9179 thinkOutput[0] = NULLCHAR;
9180 lastHint[0] = NULLCHAR;
9181 ClearGameInfo(&gameInfo);
9182 gameInfo.variant = StringToVariant(appData.variant);
9183 ics_user_moved = ics_clock_paused = FALSE;
9184 ics_getting_history = H_FALSE;
9186 white_holding[0] = black_holding[0] = NULLCHAR;
9187 ClearProgramStats();
9188 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9192 flipView = appData.flipView;
9193 ClearPremoveHighlights();
9195 alarmSounded = FALSE;
9197 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9198 if(appData.serverMovesName != NULL) {
9199 /* [HGM] prepare to make moves file for broadcasting */
9200 clock_t t = clock();
9201 if(serverMoves != NULL) fclose(serverMoves);
9202 serverMoves = fopen(appData.serverMovesName, "r");
9203 if(serverMoves != NULL) {
9204 fclose(serverMoves);
9205 /* delay 15 sec before overwriting, so all clients can see end */
9206 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9208 serverMoves = fopen(appData.serverMovesName, "w");
9212 gameMode = BeginningOfGame;
9214 if(appData.icsActive) gameInfo.variant = VariantNormal;
9215 currentMove = forwardMostMove = backwardMostMove = 0;
9216 InitPosition(redraw);
9217 for (i = 0; i < MAX_MOVES; i++) {
9218 if (commentList[i] != NULL) {
9219 free(commentList[i]);
9220 commentList[i] = NULL;
9224 timeRemaining[0][0] = whiteTimeRemaining;
9225 timeRemaining[1][0] = blackTimeRemaining;
9226 if (first.pr == NULL) {
9227 StartChessProgram(&first);
9230 InitChessProgram(&first, startedFromSetupPosition);
9233 DisplayMessage("", "");
9234 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9235 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9242 if (!AutoPlayOneMove())
9244 if (matchMode || appData.timeDelay == 0)
9246 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9248 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9257 int fromX, fromY, toX, toY;
9259 if (appData.debugMode) {
9260 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9263 if (gameMode != PlayFromGameFile)
9266 if (currentMove >= forwardMostMove) {
9267 gameMode = EditGame;
9270 /* [AS] Clear current move marker at the end of a game */
9271 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9276 toX = moveList[currentMove][2] - AAA;
9277 toY = moveList[currentMove][3] - ONE;
9279 if (moveList[currentMove][1] == '@') {
9280 if (appData.highlightLastMove) {
9281 SetHighlights(-1, -1, toX, toY);
9284 fromX = moveList[currentMove][0] - AAA;
9285 fromY = moveList[currentMove][1] - ONE;
9287 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9289 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9291 if (appData.highlightLastMove) {
9292 SetHighlights(fromX, fromY, toX, toY);
9295 DisplayMove(currentMove);
9296 SendMoveToProgram(currentMove++, &first);
9297 DisplayBothClocks();
9298 DrawPosition(FALSE, boards[currentMove]);
9299 // [HGM] PV info: always display, routine tests if empty
9300 DisplayComment(currentMove - 1, commentList[currentMove]);
9306 LoadGameOneMove(readAhead)
9307 ChessMove readAhead;
9309 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9310 char promoChar = NULLCHAR;
9315 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9316 gameMode != AnalyzeMode && gameMode != Training) {
9321 yyboardindex = forwardMostMove;
9322 if (readAhead != (ChessMove)0) {
9323 moveType = readAhead;
9325 if (gameFileFP == NULL)
9327 moveType = (ChessMove) yylex();
9333 if (appData.debugMode)
9334 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9337 /* append the comment but don't display it */
9338 AppendComment(currentMove, p, FALSE);
9341 case WhiteCapturesEnPassant:
9342 case BlackCapturesEnPassant:
9343 case WhitePromotionChancellor:
9344 case BlackPromotionChancellor:
9345 case WhitePromotionArchbishop:
9346 case BlackPromotionArchbishop:
9347 case WhitePromotionCentaur:
9348 case BlackPromotionCentaur:
9349 case WhitePromotionQueen:
9350 case BlackPromotionQueen:
9351 case WhitePromotionRook:
9352 case BlackPromotionRook:
9353 case WhitePromotionBishop:
9354 case BlackPromotionBishop:
9355 case WhitePromotionKnight:
9356 case BlackPromotionKnight:
9357 case WhitePromotionKing:
9358 case BlackPromotionKing:
9360 case WhiteKingSideCastle:
9361 case WhiteQueenSideCastle:
9362 case BlackKingSideCastle:
9363 case BlackQueenSideCastle:
9364 case WhiteKingSideCastleWild:
9365 case WhiteQueenSideCastleWild:
9366 case BlackKingSideCastleWild:
9367 case BlackQueenSideCastleWild:
9369 case WhiteHSideCastleFR:
9370 case WhiteASideCastleFR:
9371 case BlackHSideCastleFR:
9372 case BlackASideCastleFR:
9374 if (appData.debugMode)
9375 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9376 fromX = currentMoveString[0] - AAA;
9377 fromY = currentMoveString[1] - ONE;
9378 toX = currentMoveString[2] - AAA;
9379 toY = currentMoveString[3] - ONE;
9380 promoChar = currentMoveString[4];
9385 if (appData.debugMode)
9386 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9387 fromX = moveType == WhiteDrop ?
9388 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9389 (int) CharToPiece(ToLower(currentMoveString[0]));
9391 toX = currentMoveString[2] - AAA;
9392 toY = currentMoveString[3] - ONE;
9398 case GameUnfinished:
9399 if (appData.debugMode)
9400 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9401 p = strchr(yy_text, '{');
9402 if (p == NULL) p = strchr(yy_text, '(');
9405 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9407 q = strchr(p, *p == '{' ? '}' : ')');
9408 if (q != NULL) *q = NULLCHAR;
9411 GameEnds(moveType, p, GE_FILE);
9413 if (cmailMsgLoaded) {
9415 flipView = WhiteOnMove(currentMove);
9416 if (moveType == GameUnfinished) flipView = !flipView;
9417 if (appData.debugMode)
9418 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9422 case (ChessMove) 0: /* end of file */
9423 if (appData.debugMode)
9424 fprintf(debugFP, "Parser hit end of file\n");
9425 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9431 if (WhiteOnMove(currentMove)) {
9432 GameEnds(BlackWins, "Black mates", GE_FILE);
9434 GameEnds(WhiteWins, "White mates", GE_FILE);
9438 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9445 if (lastLoadGameStart == GNUChessGame) {
9446 /* GNUChessGames have numbers, but they aren't move numbers */
9447 if (appData.debugMode)
9448 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9449 yy_text, (int) moveType);
9450 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9452 /* else fall thru */
9457 /* Reached start of next game in file */
9458 if (appData.debugMode)
9459 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9460 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9466 if (WhiteOnMove(currentMove)) {
9467 GameEnds(BlackWins, "Black mates", GE_FILE);
9469 GameEnds(WhiteWins, "White mates", GE_FILE);
9473 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9479 case PositionDiagram: /* should not happen; ignore */
9480 case ElapsedTime: /* ignore */
9481 case NAG: /* ignore */
9482 if (appData.debugMode)
9483 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9484 yy_text, (int) moveType);
9485 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9488 if (appData.testLegality) {
9489 if (appData.debugMode)
9490 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9491 sprintf(move, _("Illegal move: %d.%s%s"),
9492 (forwardMostMove / 2) + 1,
9493 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9494 DisplayError(move, 0);
9497 if (appData.debugMode)
9498 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9499 yy_text, currentMoveString);
9500 fromX = currentMoveString[0] - AAA;
9501 fromY = currentMoveString[1] - ONE;
9502 toX = currentMoveString[2] - AAA;
9503 toY = currentMoveString[3] - ONE;
9504 promoChar = currentMoveString[4];
9509 if (appData.debugMode)
9510 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9511 sprintf(move, _("Ambiguous move: %d.%s%s"),
9512 (forwardMostMove / 2) + 1,
9513 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9514 DisplayError(move, 0);
9519 case ImpossibleMove:
9520 if (appData.debugMode)
9521 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9522 sprintf(move, _("Illegal move: %d.%s%s"),
9523 (forwardMostMove / 2) + 1,
9524 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9525 DisplayError(move, 0);
9531 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9532 DrawPosition(FALSE, boards[currentMove]);
9533 DisplayBothClocks();
9534 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9535 DisplayComment(currentMove - 1, commentList[currentMove]);
9537 (void) StopLoadGameTimer();
9539 cmailOldMove = forwardMostMove;
9542 /* currentMoveString is set as a side-effect of yylex */
9543 strcat(currentMoveString, "\n");
9544 strcpy(moveList[forwardMostMove], currentMoveString);
9546 thinkOutput[0] = NULLCHAR;
9547 MakeMove(fromX, fromY, toX, toY, promoChar);
9548 currentMove = forwardMostMove;
9553 /* Load the nth game from the given file */
9555 LoadGameFromFile(filename, n, title, useList)
9559 /*Boolean*/ int useList;
9564 if (strcmp(filename, "-") == 0) {
9568 f = fopen(filename, "rb");
9570 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9571 DisplayError(buf, errno);
9575 if (fseek(f, 0, 0) == -1) {
9576 /* f is not seekable; probably a pipe */
9579 if (useList && n == 0) {
9580 int error = GameListBuild(f);
9582 DisplayError(_("Cannot build game list"), error);
9583 } else if (!ListEmpty(&gameList) &&
9584 ((ListGame *) gameList.tailPred)->number > 1) {
9585 GameListPopUp(f, title);
9592 return LoadGame(f, n, title, FALSE);
9597 MakeRegisteredMove()
9599 int fromX, fromY, toX, toY;
9601 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9602 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9605 if (appData.debugMode)
9606 fprintf(debugFP, "Restoring %s for game %d\n",
9607 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9609 thinkOutput[0] = NULLCHAR;
9610 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9611 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9612 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9613 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9614 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9615 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9616 MakeMove(fromX, fromY, toX, toY, promoChar);
9617 ShowMove(fromX, fromY, toX, toY);
9619 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9626 if (WhiteOnMove(currentMove)) {
9627 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9629 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9634 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9641 if (WhiteOnMove(currentMove)) {
9642 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9644 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9649 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9660 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9662 CmailLoadGame(f, gameNumber, title, useList)
9670 if (gameNumber > nCmailGames) {
9671 DisplayError(_("No more games in this message"), 0);
9674 if (f == lastLoadGameFP) {
9675 int offset = gameNumber - lastLoadGameNumber;
9677 cmailMsg[0] = NULLCHAR;
9678 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9679 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9680 nCmailMovesRegistered--;
9682 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9683 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9684 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9687 if (! RegisterMove()) return FALSE;
9691 retVal = LoadGame(f, gameNumber, title, useList);
9693 /* Make move registered during previous look at this game, if any */
9694 MakeRegisteredMove();
9696 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9697 commentList[currentMove]
9698 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9699 DisplayComment(currentMove - 1, commentList[currentMove]);
9705 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9710 int gameNumber = lastLoadGameNumber + offset;
9711 if (lastLoadGameFP == NULL) {
9712 DisplayError(_("No game has been loaded yet"), 0);
9715 if (gameNumber <= 0) {
9716 DisplayError(_("Can't back up any further"), 0);
9719 if (cmailMsgLoaded) {
9720 return CmailLoadGame(lastLoadGameFP, gameNumber,
9721 lastLoadGameTitle, lastLoadGameUseList);
9723 return LoadGame(lastLoadGameFP, gameNumber,
9724 lastLoadGameTitle, lastLoadGameUseList);
9730 /* Load the nth game from open file f */
9732 LoadGame(f, gameNumber, title, useList)
9740 int gn = gameNumber;
9741 ListGame *lg = NULL;
9744 GameMode oldGameMode;
9745 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9747 if (appData.debugMode)
9748 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9750 if (gameMode == Training )
9751 SetTrainingModeOff();
9753 oldGameMode = gameMode;
9754 if (gameMode != BeginningOfGame) {
9759 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9760 fclose(lastLoadGameFP);
9764 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9767 fseek(f, lg->offset, 0);
9768 GameListHighlight(gameNumber);
9772 DisplayError(_("Game number out of range"), 0);
9777 if (fseek(f, 0, 0) == -1) {
9778 if (f == lastLoadGameFP ?
9779 gameNumber == lastLoadGameNumber + 1 :
9783 DisplayError(_("Can't seek on game file"), 0);
9789 lastLoadGameNumber = gameNumber;
9790 strcpy(lastLoadGameTitle, title);
9791 lastLoadGameUseList = useList;
9795 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9796 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9797 lg->gameInfo.black);
9799 } else if (*title != NULLCHAR) {
9800 if (gameNumber > 1) {
9801 sprintf(buf, "%s %d", title, gameNumber);
9804 DisplayTitle(title);
9808 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9809 gameMode = PlayFromGameFile;
9813 currentMove = forwardMostMove = backwardMostMove = 0;
9814 CopyBoard(boards[0], initialPosition);
9818 * Skip the first gn-1 games in the file.
9819 * Also skip over anything that precedes an identifiable
9820 * start of game marker, to avoid being confused by
9821 * garbage at the start of the file. Currently
9822 * recognized start of game markers are the move number "1",
9823 * the pattern "gnuchess .* game", the pattern
9824 * "^[#;%] [^ ]* game file", and a PGN tag block.
9825 * A game that starts with one of the latter two patterns
9826 * will also have a move number 1, possibly
9827 * following a position diagram.
9828 * 5-4-02: Let's try being more lenient and allowing a game to
9829 * start with an unnumbered move. Does that break anything?
9831 cm = lastLoadGameStart = (ChessMove) 0;
9833 yyboardindex = forwardMostMove;
9834 cm = (ChessMove) yylex();
9837 if (cmailMsgLoaded) {
9838 nCmailGames = CMAIL_MAX_GAMES - gn;
9841 DisplayError(_("Game not found in file"), 0);
9848 lastLoadGameStart = cm;
9852 switch (lastLoadGameStart) {
9859 gn--; /* count this game */
9860 lastLoadGameStart = cm;
9869 switch (lastLoadGameStart) {
9874 gn--; /* count this game */
9875 lastLoadGameStart = cm;
9878 lastLoadGameStart = cm; /* game counted already */
9886 yyboardindex = forwardMostMove;
9887 cm = (ChessMove) yylex();
9888 } while (cm == PGNTag || cm == Comment);
9895 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9896 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9897 != CMAIL_OLD_RESULT) {
9899 cmailResult[ CMAIL_MAX_GAMES
9900 - gn - 1] = CMAIL_OLD_RESULT;
9906 /* Only a NormalMove can be at the start of a game
9907 * without a position diagram. */
9908 if (lastLoadGameStart == (ChessMove) 0) {
9910 lastLoadGameStart = MoveNumberOne;
9919 if (appData.debugMode)
9920 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9922 if (cm == XBoardGame) {
9923 /* Skip any header junk before position diagram and/or move 1 */
9925 yyboardindex = forwardMostMove;
9926 cm = (ChessMove) yylex();
9928 if (cm == (ChessMove) 0 ||
9929 cm == GNUChessGame || cm == XBoardGame) {
9930 /* Empty game; pretend end-of-file and handle later */
9935 if (cm == MoveNumberOne || cm == PositionDiagram ||
9936 cm == PGNTag || cm == Comment)
9939 } else if (cm == GNUChessGame) {
9940 if (gameInfo.event != NULL) {
9941 free(gameInfo.event);
9943 gameInfo.event = StrSave(yy_text);
9946 startedFromSetupPosition = FALSE;
9947 while (cm == PGNTag) {
9948 if (appData.debugMode)
9949 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9950 err = ParsePGNTag(yy_text, &gameInfo);
9951 if (!err) numPGNTags++;
9953 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9954 if(gameInfo.variant != oldVariant) {
9955 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9957 oldVariant = gameInfo.variant;
9958 if (appData.debugMode)
9959 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9963 if (gameInfo.fen != NULL) {
9964 Board initial_position;
9965 startedFromSetupPosition = TRUE;
9966 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9968 DisplayError(_("Bad FEN position in file"), 0);
9971 CopyBoard(boards[0], initial_position);
9972 if (blackPlaysFirst) {
9973 currentMove = forwardMostMove = backwardMostMove = 1;
9974 CopyBoard(boards[1], initial_position);
9975 strcpy(moveList[0], "");
9976 strcpy(parseList[0], "");
9977 timeRemaining[0][1] = whiteTimeRemaining;
9978 timeRemaining[1][1] = blackTimeRemaining;
9979 if (commentList[0] != NULL) {
9980 commentList[1] = commentList[0];
9981 commentList[0] = NULL;
9984 currentMove = forwardMostMove = backwardMostMove = 0;
9986 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9988 initialRulePlies = FENrulePlies;
9989 for( i=0; i< nrCastlingRights; i++ )
9990 initialRights[i] = initial_position[CASTLING][i];
9992 yyboardindex = forwardMostMove;
9994 gameInfo.fen = NULL;
9997 yyboardindex = forwardMostMove;
9998 cm = (ChessMove) yylex();
10000 /* Handle comments interspersed among the tags */
10001 while (cm == Comment) {
10003 if (appData.debugMode)
10004 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10006 AppendComment(currentMove, p, FALSE);
10007 yyboardindex = forwardMostMove;
10008 cm = (ChessMove) yylex();
10012 /* don't rely on existence of Event tag since if game was
10013 * pasted from clipboard the Event tag may not exist
10015 if (numPGNTags > 0){
10017 if (gameInfo.variant == VariantNormal) {
10018 gameInfo.variant = StringToVariant(gameInfo.event);
10021 if( appData.autoDisplayTags ) {
10022 tags = PGNTags(&gameInfo);
10023 TagsPopUp(tags, CmailMsg());
10028 /* Make something up, but don't display it now */
10033 if (cm == PositionDiagram) {
10036 Board initial_position;
10038 if (appData.debugMode)
10039 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10041 if (!startedFromSetupPosition) {
10043 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10044 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10054 initial_position[i][j++] = CharToPiece(*p);
10057 while (*p == ' ' || *p == '\t' ||
10058 *p == '\n' || *p == '\r') p++;
10060 if (strncmp(p, "black", strlen("black"))==0)
10061 blackPlaysFirst = TRUE;
10063 blackPlaysFirst = FALSE;
10064 startedFromSetupPosition = TRUE;
10066 CopyBoard(boards[0], initial_position);
10067 if (blackPlaysFirst) {
10068 currentMove = forwardMostMove = backwardMostMove = 1;
10069 CopyBoard(boards[1], initial_position);
10070 strcpy(moveList[0], "");
10071 strcpy(parseList[0], "");
10072 timeRemaining[0][1] = whiteTimeRemaining;
10073 timeRemaining[1][1] = blackTimeRemaining;
10074 if (commentList[0] != NULL) {
10075 commentList[1] = commentList[0];
10076 commentList[0] = NULL;
10079 currentMove = forwardMostMove = backwardMostMove = 0;
10082 yyboardindex = forwardMostMove;
10083 cm = (ChessMove) yylex();
10086 if (first.pr == NoProc) {
10087 StartChessProgram(&first);
10089 InitChessProgram(&first, FALSE);
10090 SendToProgram("force\n", &first);
10091 if (startedFromSetupPosition) {
10092 SendBoard(&first, forwardMostMove);
10093 if (appData.debugMode) {
10094 fprintf(debugFP, "Load Game\n");
10096 DisplayBothClocks();
10099 /* [HGM] server: flag to write setup moves in broadcast file as one */
10100 loadFlag = appData.suppressLoadMoves;
10102 while (cm == Comment) {
10104 if (appData.debugMode)
10105 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10107 AppendComment(currentMove, p, FALSE);
10108 yyboardindex = forwardMostMove;
10109 cm = (ChessMove) yylex();
10112 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10113 cm == WhiteWins || cm == BlackWins ||
10114 cm == GameIsDrawn || cm == GameUnfinished) {
10115 DisplayMessage("", _("No moves in game"));
10116 if (cmailMsgLoaded) {
10117 if (appData.debugMode)
10118 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10122 DrawPosition(FALSE, boards[currentMove]);
10123 DisplayBothClocks();
10124 gameMode = EditGame;
10131 // [HGM] PV info: routine tests if comment empty
10132 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10133 DisplayComment(currentMove - 1, commentList[currentMove]);
10135 if (!matchMode && appData.timeDelay != 0)
10136 DrawPosition(FALSE, boards[currentMove]);
10138 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10139 programStats.ok_to_send = 1;
10142 /* if the first token after the PGN tags is a move
10143 * and not move number 1, retrieve it from the parser
10145 if (cm != MoveNumberOne)
10146 LoadGameOneMove(cm);
10148 /* load the remaining moves from the file */
10149 while (LoadGameOneMove((ChessMove)0)) {
10150 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10151 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10154 /* rewind to the start of the game */
10155 currentMove = backwardMostMove;
10157 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10159 if (oldGameMode == AnalyzeFile ||
10160 oldGameMode == AnalyzeMode) {
10161 AnalyzeFileEvent();
10164 if (matchMode || appData.timeDelay == 0) {
10166 gameMode = EditGame;
10168 } else if (appData.timeDelay > 0) {
10169 AutoPlayGameLoop();
10172 if (appData.debugMode)
10173 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10175 loadFlag = 0; /* [HGM] true game starts */
10179 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10181 ReloadPosition(offset)
10184 int positionNumber = lastLoadPositionNumber + offset;
10185 if (lastLoadPositionFP == NULL) {
10186 DisplayError(_("No position has been loaded yet"), 0);
10189 if (positionNumber <= 0) {
10190 DisplayError(_("Can't back up any further"), 0);
10193 return LoadPosition(lastLoadPositionFP, positionNumber,
10194 lastLoadPositionTitle);
10197 /* Load the nth position from the given file */
10199 LoadPositionFromFile(filename, n, title)
10207 if (strcmp(filename, "-") == 0) {
10208 return LoadPosition(stdin, n, "stdin");
10210 f = fopen(filename, "rb");
10212 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10213 DisplayError(buf, errno);
10216 return LoadPosition(f, n, title);
10221 /* Load the nth position from the given open file, and close it */
10223 LoadPosition(f, positionNumber, title)
10225 int positionNumber;
10228 char *p, line[MSG_SIZ];
10229 Board initial_position;
10230 int i, j, fenMode, pn;
10232 if (gameMode == Training )
10233 SetTrainingModeOff();
10235 if (gameMode != BeginningOfGame) {
10236 Reset(FALSE, TRUE);
10238 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10239 fclose(lastLoadPositionFP);
10241 if (positionNumber == 0) positionNumber = 1;
10242 lastLoadPositionFP = f;
10243 lastLoadPositionNumber = positionNumber;
10244 strcpy(lastLoadPositionTitle, title);
10245 if (first.pr == NoProc) {
10246 StartChessProgram(&first);
10247 InitChessProgram(&first, FALSE);
10249 pn = positionNumber;
10250 if (positionNumber < 0) {
10251 /* Negative position number means to seek to that byte offset */
10252 if (fseek(f, -positionNumber, 0) == -1) {
10253 DisplayError(_("Can't seek on position file"), 0);
10258 if (fseek(f, 0, 0) == -1) {
10259 if (f == lastLoadPositionFP ?
10260 positionNumber == lastLoadPositionNumber + 1 :
10261 positionNumber == 1) {
10264 DisplayError(_("Can't seek on position file"), 0);
10269 /* See if this file is FEN or old-style xboard */
10270 if (fgets(line, MSG_SIZ, f) == NULL) {
10271 DisplayError(_("Position not found in file"), 0);
10274 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10275 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10278 if (fenMode || line[0] == '#') pn--;
10280 /* skip positions before number pn */
10281 if (fgets(line, MSG_SIZ, f) == NULL) {
10283 DisplayError(_("Position not found in file"), 0);
10286 if (fenMode || line[0] == '#') pn--;
10291 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10292 DisplayError(_("Bad FEN position in file"), 0);
10296 (void) fgets(line, MSG_SIZ, f);
10297 (void) fgets(line, MSG_SIZ, f);
10299 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10300 (void) fgets(line, MSG_SIZ, f);
10301 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10304 initial_position[i][j++] = CharToPiece(*p);
10308 blackPlaysFirst = FALSE;
10310 (void) fgets(line, MSG_SIZ, f);
10311 if (strncmp(line, "black", strlen("black"))==0)
10312 blackPlaysFirst = TRUE;
10315 startedFromSetupPosition = TRUE;
10317 SendToProgram("force\n", &first);
10318 CopyBoard(boards[0], initial_position);
10319 if (blackPlaysFirst) {
10320 currentMove = forwardMostMove = backwardMostMove = 1;
10321 strcpy(moveList[0], "");
10322 strcpy(parseList[0], "");
10323 CopyBoard(boards[1], initial_position);
10324 DisplayMessage("", _("Black to play"));
10326 currentMove = forwardMostMove = backwardMostMove = 0;
10327 DisplayMessage("", _("White to play"));
10329 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10330 SendBoard(&first, forwardMostMove);
10331 if (appData.debugMode) {
10333 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10334 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10335 fprintf(debugFP, "Load Position\n");
10338 if (positionNumber > 1) {
10339 sprintf(line, "%s %d", title, positionNumber);
10340 DisplayTitle(line);
10342 DisplayTitle(title);
10344 gameMode = EditGame;
10347 timeRemaining[0][1] = whiteTimeRemaining;
10348 timeRemaining[1][1] = blackTimeRemaining;
10349 DrawPosition(FALSE, boards[currentMove]);
10356 CopyPlayerNameIntoFileName(dest, src)
10359 while (*src != NULLCHAR && *src != ',') {
10364 *(*dest)++ = *src++;
10369 char *DefaultFileName(ext)
10372 static char def[MSG_SIZ];
10375 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10377 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10379 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10388 /* Save the current game to the given file */
10390 SaveGameToFile(filename, append)
10397 if (strcmp(filename, "-") == 0) {
10398 return SaveGame(stdout, 0, NULL);
10400 f = fopen(filename, append ? "a" : "w");
10402 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10403 DisplayError(buf, errno);
10406 return SaveGame(f, 0, NULL);
10415 static char buf[MSG_SIZ];
10418 p = strchr(str, ' ');
10419 if (p == NULL) return str;
10420 strncpy(buf, str, p - str);
10421 buf[p - str] = NULLCHAR;
10425 #define PGN_MAX_LINE 75
10427 #define PGN_SIDE_WHITE 0
10428 #define PGN_SIDE_BLACK 1
10431 static int FindFirstMoveOutOfBook( int side )
10435 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10436 int index = backwardMostMove;
10437 int has_book_hit = 0;
10439 if( (index % 2) != side ) {
10443 while( index < forwardMostMove ) {
10444 /* Check to see if engine is in book */
10445 int depth = pvInfoList[index].depth;
10446 int score = pvInfoList[index].score;
10452 else if( score == 0 && depth == 63 ) {
10453 in_book = 1; /* Zappa */
10455 else if( score == 2 && depth == 99 ) {
10456 in_book = 1; /* Abrok */
10459 has_book_hit += in_book;
10475 void GetOutOfBookInfo( char * buf )
10479 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10481 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10482 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10486 if( oob[0] >= 0 || oob[1] >= 0 ) {
10487 for( i=0; i<2; i++ ) {
10491 if( i > 0 && oob[0] >= 0 ) {
10492 strcat( buf, " " );
10495 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10496 sprintf( buf+strlen(buf), "%s%.2f",
10497 pvInfoList[idx].score >= 0 ? "+" : "",
10498 pvInfoList[idx].score / 100.0 );
10504 /* Save game in PGN style and close the file */
10509 int i, offset, linelen, newblock;
10513 int movelen, numlen, blank;
10514 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10516 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10518 tm = time((time_t *) NULL);
10520 PrintPGNTags(f, &gameInfo);
10522 if (backwardMostMove > 0 || startedFromSetupPosition) {
10523 char *fen = PositionToFEN(backwardMostMove, NULL);
10524 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10525 fprintf(f, "\n{--------------\n");
10526 PrintPosition(f, backwardMostMove);
10527 fprintf(f, "--------------}\n");
10531 /* [AS] Out of book annotation */
10532 if( appData.saveOutOfBookInfo ) {
10535 GetOutOfBookInfo( buf );
10537 if( buf[0] != '\0' ) {
10538 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10545 i = backwardMostMove;
10549 while (i < forwardMostMove) {
10550 /* Print comments preceding this move */
10551 if (commentList[i] != NULL) {
10552 if (linelen > 0) fprintf(f, "\n");
10553 fprintf(f, "%s", commentList[i]);
10558 /* Format move number */
10559 if ((i % 2) == 0) {
10560 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10563 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10565 numtext[0] = NULLCHAR;
10568 numlen = strlen(numtext);
10571 /* Print move number */
10572 blank = linelen > 0 && numlen > 0;
10573 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10582 fprintf(f, "%s", numtext);
10586 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10587 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10590 blank = linelen > 0 && movelen > 0;
10591 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10600 fprintf(f, "%s", move_buffer);
10601 linelen += movelen;
10603 /* [AS] Add PV info if present */
10604 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10605 /* [HGM] add time */
10606 char buf[MSG_SIZ]; int seconds;
10608 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10610 if( seconds <= 0) buf[0] = 0; else
10611 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10612 seconds = (seconds + 4)/10; // round to full seconds
10613 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10614 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10617 sprintf( move_buffer, "{%s%.2f/%d%s}",
10618 pvInfoList[i].score >= 0 ? "+" : "",
10619 pvInfoList[i].score / 100.0,
10620 pvInfoList[i].depth,
10623 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10625 /* Print score/depth */
10626 blank = linelen > 0 && movelen > 0;
10627 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10636 fprintf(f, "%s", move_buffer);
10637 linelen += movelen;
10643 /* Start a new line */
10644 if (linelen > 0) fprintf(f, "\n");
10646 /* Print comments after last move */
10647 if (commentList[i] != NULL) {
10648 fprintf(f, "%s\n", commentList[i]);
10652 if (gameInfo.resultDetails != NULL &&
10653 gameInfo.resultDetails[0] != NULLCHAR) {
10654 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10655 PGNResult(gameInfo.result));
10657 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10661 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10665 /* Save game in old style and close the file */
10667 SaveGameOldStyle(f)
10673 tm = time((time_t *) NULL);
10675 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10678 if (backwardMostMove > 0 || startedFromSetupPosition) {
10679 fprintf(f, "\n[--------------\n");
10680 PrintPosition(f, backwardMostMove);
10681 fprintf(f, "--------------]\n");
10686 i = backwardMostMove;
10687 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10689 while (i < forwardMostMove) {
10690 if (commentList[i] != NULL) {
10691 fprintf(f, "[%s]\n", commentList[i]);
10694 if ((i % 2) == 1) {
10695 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10698 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10700 if (commentList[i] != NULL) {
10704 if (i >= forwardMostMove) {
10708 fprintf(f, "%s\n", parseList[i]);
10713 if (commentList[i] != NULL) {
10714 fprintf(f, "[%s]\n", commentList[i]);
10717 /* This isn't really the old style, but it's close enough */
10718 if (gameInfo.resultDetails != NULL &&
10719 gameInfo.resultDetails[0] != NULLCHAR) {
10720 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10721 gameInfo.resultDetails);
10723 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10730 /* Save the current game to open file f and close the file */
10732 SaveGame(f, dummy, dummy2)
10737 if (gameMode == EditPosition) EditPositionDone(TRUE);
10738 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10739 if (appData.oldSaveStyle)
10740 return SaveGameOldStyle(f);
10742 return SaveGamePGN(f);
10745 /* Save the current position to the given file */
10747 SavePositionToFile(filename)
10753 if (strcmp(filename, "-") == 0) {
10754 return SavePosition(stdout, 0, NULL);
10756 f = fopen(filename, "a");
10758 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10759 DisplayError(buf, errno);
10762 SavePosition(f, 0, NULL);
10768 /* Save the current position to the given open file and close the file */
10770 SavePosition(f, dummy, dummy2)
10778 if (gameMode == EditPosition) EditPositionDone(TRUE);
10779 if (appData.oldSaveStyle) {
10780 tm = time((time_t *) NULL);
10782 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10784 fprintf(f, "[--------------\n");
10785 PrintPosition(f, currentMove);
10786 fprintf(f, "--------------]\n");
10788 fen = PositionToFEN(currentMove, NULL);
10789 fprintf(f, "%s\n", fen);
10797 ReloadCmailMsgEvent(unregister)
10801 static char *inFilename = NULL;
10802 static char *outFilename;
10804 struct stat inbuf, outbuf;
10807 /* Any registered moves are unregistered if unregister is set, */
10808 /* i.e. invoked by the signal handler */
10810 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10811 cmailMoveRegistered[i] = FALSE;
10812 if (cmailCommentList[i] != NULL) {
10813 free(cmailCommentList[i]);
10814 cmailCommentList[i] = NULL;
10817 nCmailMovesRegistered = 0;
10820 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10821 cmailResult[i] = CMAIL_NOT_RESULT;
10825 if (inFilename == NULL) {
10826 /* Because the filenames are static they only get malloced once */
10827 /* and they never get freed */
10828 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10829 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10831 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10832 sprintf(outFilename, "%s.out", appData.cmailGameName);
10835 status = stat(outFilename, &outbuf);
10837 cmailMailedMove = FALSE;
10839 status = stat(inFilename, &inbuf);
10840 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10843 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10844 counts the games, notes how each one terminated, etc.
10846 It would be nice to remove this kludge and instead gather all
10847 the information while building the game list. (And to keep it
10848 in the game list nodes instead of having a bunch of fixed-size
10849 parallel arrays.) Note this will require getting each game's
10850 termination from the PGN tags, as the game list builder does
10851 not process the game moves. --mann
10853 cmailMsgLoaded = TRUE;
10854 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10856 /* Load first game in the file or popup game menu */
10857 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10859 #endif /* !WIN32 */
10867 char string[MSG_SIZ];
10869 if ( cmailMailedMove
10870 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10871 return TRUE; /* Allow free viewing */
10874 /* Unregister move to ensure that we don't leave RegisterMove */
10875 /* with the move registered when the conditions for registering no */
10877 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10878 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10879 nCmailMovesRegistered --;
10881 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10883 free(cmailCommentList[lastLoadGameNumber - 1]);
10884 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10888 if (cmailOldMove == -1) {
10889 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10893 if (currentMove > cmailOldMove + 1) {
10894 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10898 if (currentMove < cmailOldMove) {
10899 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10903 if (forwardMostMove > currentMove) {
10904 /* Silently truncate extra moves */
10908 if ( (currentMove == cmailOldMove + 1)
10909 || ( (currentMove == cmailOldMove)
10910 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10911 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10912 if (gameInfo.result != GameUnfinished) {
10913 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10916 if (commentList[currentMove] != NULL) {
10917 cmailCommentList[lastLoadGameNumber - 1]
10918 = StrSave(commentList[currentMove]);
10920 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10922 if (appData.debugMode)
10923 fprintf(debugFP, "Saving %s for game %d\n",
10924 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10927 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10929 f = fopen(string, "w");
10930 if (appData.oldSaveStyle) {
10931 SaveGameOldStyle(f); /* also closes the file */
10933 sprintf(string, "%s.pos.out", appData.cmailGameName);
10934 f = fopen(string, "w");
10935 SavePosition(f, 0, NULL); /* also closes the file */
10937 fprintf(f, "{--------------\n");
10938 PrintPosition(f, currentMove);
10939 fprintf(f, "--------------}\n\n");
10941 SaveGame(f, 0, NULL); /* also closes the file*/
10944 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10945 nCmailMovesRegistered ++;
10946 } else if (nCmailGames == 1) {
10947 DisplayError(_("You have not made a move yet"), 0);
10958 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10959 FILE *commandOutput;
10960 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10961 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10967 if (! cmailMsgLoaded) {
10968 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10972 if (nCmailGames == nCmailResults) {
10973 DisplayError(_("No unfinished games"), 0);
10977 #if CMAIL_PROHIBIT_REMAIL
10978 if (cmailMailedMove) {
10979 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);
10980 DisplayError(msg, 0);
10985 if (! (cmailMailedMove || RegisterMove())) return;
10987 if ( cmailMailedMove
10988 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10989 sprintf(string, partCommandString,
10990 appData.debugMode ? " -v" : "", appData.cmailGameName);
10991 commandOutput = popen(string, "r");
10993 if (commandOutput == NULL) {
10994 DisplayError(_("Failed to invoke cmail"), 0);
10996 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10997 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
10999 if (nBuffers > 1) {
11000 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11001 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11002 nBytes = MSG_SIZ - 1;
11004 (void) memcpy(msg, buffer, nBytes);
11006 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11008 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11009 cmailMailedMove = TRUE; /* Prevent >1 moves */
11012 for (i = 0; i < nCmailGames; i ++) {
11013 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11018 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11020 sprintf(buffer, "%s/%s.%s.archive",
11022 appData.cmailGameName,
11024 LoadGameFromFile(buffer, 1, buffer, FALSE);
11025 cmailMsgLoaded = FALSE;
11029 DisplayInformation(msg);
11030 pclose(commandOutput);
11033 if ((*cmailMsg) != '\0') {
11034 DisplayInformation(cmailMsg);
11039 #endif /* !WIN32 */
11048 int prependComma = 0;
11050 char string[MSG_SIZ]; /* Space for game-list */
11053 if (!cmailMsgLoaded) return "";
11055 if (cmailMailedMove) {
11056 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11058 /* Create a list of games left */
11059 sprintf(string, "[");
11060 for (i = 0; i < nCmailGames; i ++) {
11061 if (! ( cmailMoveRegistered[i]
11062 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11063 if (prependComma) {
11064 sprintf(number, ",%d", i + 1);
11066 sprintf(number, "%d", i + 1);
11070 strcat(string, number);
11073 strcat(string, "]");
11075 if (nCmailMovesRegistered + nCmailResults == 0) {
11076 switch (nCmailGames) {
11079 _("Still need to make move for game\n"));
11084 _("Still need to make moves for both games\n"));
11089 _("Still need to make moves for all %d games\n"),
11094 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11097 _("Still need to make a move for game %s\n"),
11102 if (nCmailResults == nCmailGames) {
11103 sprintf(cmailMsg, _("No unfinished games\n"));
11105 sprintf(cmailMsg, _("Ready to send mail\n"));
11111 _("Still need to make moves for games %s\n"),
11123 if (gameMode == Training)
11124 SetTrainingModeOff();
11127 cmailMsgLoaded = FALSE;
11128 if (appData.icsActive) {
11129 SendToICS(ics_prefix);
11130 SendToICS("refresh\n");
11140 /* Give up on clean exit */
11144 /* Keep trying for clean exit */
11148 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11150 if (telnetISR != NULL) {
11151 RemoveInputSource(telnetISR);
11153 if (icsPR != NoProc) {
11154 DestroyChildProcess(icsPR, TRUE);
11157 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11158 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11160 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11161 /* make sure this other one finishes before killing it! */
11162 if(endingGame) { int count = 0;
11163 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11164 while(endingGame && count++ < 10) DoSleep(1);
11165 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11168 /* Kill off chess programs */
11169 if (first.pr != NoProc) {
11172 DoSleep( appData.delayBeforeQuit );
11173 SendToProgram("quit\n", &first);
11174 DoSleep( appData.delayAfterQuit );
11175 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11177 if (second.pr != NoProc) {
11178 DoSleep( appData.delayBeforeQuit );
11179 SendToProgram("quit\n", &second);
11180 DoSleep( appData.delayAfterQuit );
11181 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11183 if (first.isr != NULL) {
11184 RemoveInputSource(first.isr);
11186 if (second.isr != NULL) {
11187 RemoveInputSource(second.isr);
11190 ShutDownFrontEnd();
11197 if (appData.debugMode)
11198 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11202 if (gameMode == MachinePlaysWhite ||
11203 gameMode == MachinePlaysBlack) {
11206 DisplayBothClocks();
11208 if (gameMode == PlayFromGameFile) {
11209 if (appData.timeDelay >= 0)
11210 AutoPlayGameLoop();
11211 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11212 Reset(FALSE, TRUE);
11213 SendToICS(ics_prefix);
11214 SendToICS("refresh\n");
11215 } else if (currentMove < forwardMostMove) {
11216 ForwardInner(forwardMostMove);
11218 pauseExamInvalid = FALSE;
11220 switch (gameMode) {
11224 pauseExamForwardMostMove = forwardMostMove;
11225 pauseExamInvalid = FALSE;
11228 case IcsPlayingWhite:
11229 case IcsPlayingBlack:
11233 case PlayFromGameFile:
11234 (void) StopLoadGameTimer();
11238 case BeginningOfGame:
11239 if (appData.icsActive) return;
11240 /* else fall through */
11241 case MachinePlaysWhite:
11242 case MachinePlaysBlack:
11243 case TwoMachinesPlay:
11244 if (forwardMostMove == 0)
11245 return; /* don't pause if no one has moved */
11246 if ((gameMode == MachinePlaysWhite &&
11247 !WhiteOnMove(forwardMostMove)) ||
11248 (gameMode == MachinePlaysBlack &&
11249 WhiteOnMove(forwardMostMove))) {
11262 char title[MSG_SIZ];
11264 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11265 strcpy(title, _("Edit comment"));
11267 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11268 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11269 parseList[currentMove - 1]);
11272 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11279 char *tags = PGNTags(&gameInfo);
11280 EditTagsPopUp(tags);
11287 if (appData.noChessProgram || gameMode == AnalyzeMode)
11290 if (gameMode != AnalyzeFile) {
11291 if (!appData.icsEngineAnalyze) {
11293 if (gameMode != EditGame) return;
11295 ResurrectChessProgram();
11296 SendToProgram("analyze\n", &first);
11297 first.analyzing = TRUE;
11298 /*first.maybeThinking = TRUE;*/
11299 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11300 EngineOutputPopUp();
11302 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11307 StartAnalysisClock();
11308 GetTimeMark(&lastNodeCountTime);
11315 if (appData.noChessProgram || gameMode == AnalyzeFile)
11318 if (gameMode != AnalyzeMode) {
11320 if (gameMode != EditGame) return;
11321 ResurrectChessProgram();
11322 SendToProgram("analyze\n", &first);
11323 first.analyzing = TRUE;
11324 /*first.maybeThinking = TRUE;*/
11325 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11326 EngineOutputPopUp();
11328 gameMode = AnalyzeFile;
11333 StartAnalysisClock();
11334 GetTimeMark(&lastNodeCountTime);
11339 MachineWhiteEvent()
11342 char *bookHit = NULL;
11344 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11348 if (gameMode == PlayFromGameFile ||
11349 gameMode == TwoMachinesPlay ||
11350 gameMode == Training ||
11351 gameMode == AnalyzeMode ||
11352 gameMode == EndOfGame)
11355 if (gameMode == EditPosition)
11356 EditPositionDone(TRUE);
11358 if (!WhiteOnMove(currentMove)) {
11359 DisplayError(_("It is not White's turn"), 0);
11363 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11366 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11367 gameMode == AnalyzeFile)
11370 ResurrectChessProgram(); /* in case it isn't running */
11371 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11372 gameMode = MachinePlaysWhite;
11375 gameMode = MachinePlaysWhite;
11379 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11381 if (first.sendName) {
11382 sprintf(buf, "name %s\n", gameInfo.black);
11383 SendToProgram(buf, &first);
11385 if (first.sendTime) {
11386 if (first.useColors) {
11387 SendToProgram("black\n", &first); /*gnu kludge*/
11389 SendTimeRemaining(&first, TRUE);
11391 if (first.useColors) {
11392 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11394 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11395 SetMachineThinkingEnables();
11396 first.maybeThinking = TRUE;
11400 if (appData.autoFlipView && !flipView) {
11401 flipView = !flipView;
11402 DrawPosition(FALSE, NULL);
11403 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11406 if(bookHit) { // [HGM] book: simulate book reply
11407 static char bookMove[MSG_SIZ]; // a bit generous?
11409 programStats.nodes = programStats.depth = programStats.time =
11410 programStats.score = programStats.got_only_move = 0;
11411 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11413 strcpy(bookMove, "move ");
11414 strcat(bookMove, bookHit);
11415 HandleMachineMove(bookMove, &first);
11420 MachineBlackEvent()
11423 char *bookHit = NULL;
11425 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11429 if (gameMode == PlayFromGameFile ||
11430 gameMode == TwoMachinesPlay ||
11431 gameMode == Training ||
11432 gameMode == AnalyzeMode ||
11433 gameMode == EndOfGame)
11436 if (gameMode == EditPosition)
11437 EditPositionDone(TRUE);
11439 if (WhiteOnMove(currentMove)) {
11440 DisplayError(_("It is not Black's turn"), 0);
11444 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11447 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11448 gameMode == AnalyzeFile)
11451 ResurrectChessProgram(); /* in case it isn't running */
11452 gameMode = MachinePlaysBlack;
11456 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11458 if (first.sendName) {
11459 sprintf(buf, "name %s\n", gameInfo.white);
11460 SendToProgram(buf, &first);
11462 if (first.sendTime) {
11463 if (first.useColors) {
11464 SendToProgram("white\n", &first); /*gnu kludge*/
11466 SendTimeRemaining(&first, FALSE);
11468 if (first.useColors) {
11469 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11471 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11472 SetMachineThinkingEnables();
11473 first.maybeThinking = TRUE;
11476 if (appData.autoFlipView && flipView) {
11477 flipView = !flipView;
11478 DrawPosition(FALSE, NULL);
11479 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11481 if(bookHit) { // [HGM] book: simulate book reply
11482 static char bookMove[MSG_SIZ]; // a bit generous?
11484 programStats.nodes = programStats.depth = programStats.time =
11485 programStats.score = programStats.got_only_move = 0;
11486 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11488 strcpy(bookMove, "move ");
11489 strcat(bookMove, bookHit);
11490 HandleMachineMove(bookMove, &first);
11496 DisplayTwoMachinesTitle()
11499 if (appData.matchGames > 0) {
11500 if (first.twoMachinesColor[0] == 'w') {
11501 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11502 gameInfo.white, gameInfo.black,
11503 first.matchWins, second.matchWins,
11504 matchGame - 1 - (first.matchWins + second.matchWins));
11506 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11507 gameInfo.white, gameInfo.black,
11508 second.matchWins, first.matchWins,
11509 matchGame - 1 - (first.matchWins + second.matchWins));
11512 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11518 TwoMachinesEvent P((void))
11522 ChessProgramState *onmove;
11523 char *bookHit = NULL;
11525 if (appData.noChessProgram) return;
11527 switch (gameMode) {
11528 case TwoMachinesPlay:
11530 case MachinePlaysWhite:
11531 case MachinePlaysBlack:
11532 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11533 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11537 case BeginningOfGame:
11538 case PlayFromGameFile:
11541 if (gameMode != EditGame) return;
11544 EditPositionDone(TRUE);
11555 // forwardMostMove = currentMove;
11556 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11557 ResurrectChessProgram(); /* in case first program isn't running */
11559 if (second.pr == NULL) {
11560 StartChessProgram(&second);
11561 if (second.protocolVersion == 1) {
11562 TwoMachinesEventIfReady();
11564 /* kludge: allow timeout for initial "feature" command */
11566 DisplayMessage("", _("Starting second chess program"));
11567 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11571 DisplayMessage("", "");
11572 InitChessProgram(&second, FALSE);
11573 SendToProgram("force\n", &second);
11574 if (startedFromSetupPosition) {
11575 SendBoard(&second, backwardMostMove);
11576 if (appData.debugMode) {
11577 fprintf(debugFP, "Two Machines\n");
11580 for (i = backwardMostMove; i < forwardMostMove; i++) {
11581 SendMoveToProgram(i, &second);
11584 gameMode = TwoMachinesPlay;
11588 DisplayTwoMachinesTitle();
11590 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11596 SendToProgram(first.computerString, &first);
11597 if (first.sendName) {
11598 sprintf(buf, "name %s\n", second.tidy);
11599 SendToProgram(buf, &first);
11601 SendToProgram(second.computerString, &second);
11602 if (second.sendName) {
11603 sprintf(buf, "name %s\n", first.tidy);
11604 SendToProgram(buf, &second);
11608 if (!first.sendTime || !second.sendTime) {
11609 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11610 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11612 if (onmove->sendTime) {
11613 if (onmove->useColors) {
11614 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11616 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11618 if (onmove->useColors) {
11619 SendToProgram(onmove->twoMachinesColor, onmove);
11621 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11622 // SendToProgram("go\n", onmove);
11623 onmove->maybeThinking = TRUE;
11624 SetMachineThinkingEnables();
11628 if(bookHit) { // [HGM] book: simulate book reply
11629 static char bookMove[MSG_SIZ]; // a bit generous?
11631 programStats.nodes = programStats.depth = programStats.time =
11632 programStats.score = programStats.got_only_move = 0;
11633 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11635 strcpy(bookMove, "move ");
11636 strcat(bookMove, bookHit);
11637 savedMessage = bookMove; // args for deferred call
11638 savedState = onmove;
11639 ScheduleDelayedEvent(DeferredBookMove, 1);
11646 if (gameMode == Training) {
11647 SetTrainingModeOff();
11648 gameMode = PlayFromGameFile;
11649 DisplayMessage("", _("Training mode off"));
11651 gameMode = Training;
11652 animateTraining = appData.animate;
11654 /* make sure we are not already at the end of the game */
11655 if (currentMove < forwardMostMove) {
11656 SetTrainingModeOn();
11657 DisplayMessage("", _("Training mode on"));
11659 gameMode = PlayFromGameFile;
11660 DisplayError(_("Already at end of game"), 0);
11669 if (!appData.icsActive) return;
11670 switch (gameMode) {
11671 case IcsPlayingWhite:
11672 case IcsPlayingBlack:
11675 case BeginningOfGame:
11683 EditPositionDone(TRUE);
11696 gameMode = IcsIdle;
11707 switch (gameMode) {
11709 SetTrainingModeOff();
11711 case MachinePlaysWhite:
11712 case MachinePlaysBlack:
11713 case BeginningOfGame:
11714 SendToProgram("force\n", &first);
11715 SetUserThinkingEnables();
11717 case PlayFromGameFile:
11718 (void) StopLoadGameTimer();
11719 if (gameFileFP != NULL) {
11724 EditPositionDone(TRUE);
11729 SendToProgram("force\n", &first);
11731 case TwoMachinesPlay:
11732 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11733 ResurrectChessProgram();
11734 SetUserThinkingEnables();
11737 ResurrectChessProgram();
11739 case IcsPlayingBlack:
11740 case IcsPlayingWhite:
11741 DisplayError(_("Warning: You are still playing a game"), 0);
11744 DisplayError(_("Warning: You are still observing a game"), 0);
11747 DisplayError(_("Warning: You are still examining a game"), 0);
11758 first.offeredDraw = second.offeredDraw = 0;
11760 if (gameMode == PlayFromGameFile) {
11761 whiteTimeRemaining = timeRemaining[0][currentMove];
11762 blackTimeRemaining = timeRemaining[1][currentMove];
11766 if (gameMode == MachinePlaysWhite ||
11767 gameMode == MachinePlaysBlack ||
11768 gameMode == TwoMachinesPlay ||
11769 gameMode == EndOfGame) {
11770 i = forwardMostMove;
11771 while (i > currentMove) {
11772 SendToProgram("undo\n", &first);
11775 whiteTimeRemaining = timeRemaining[0][currentMove];
11776 blackTimeRemaining = timeRemaining[1][currentMove];
11777 DisplayBothClocks();
11778 if (whiteFlag || blackFlag) {
11779 whiteFlag = blackFlag = 0;
11784 gameMode = EditGame;
11791 EditPositionEvent()
11793 if (gameMode == EditPosition) {
11799 if (gameMode != EditGame) return;
11801 gameMode = EditPosition;
11804 if (currentMove > 0)
11805 CopyBoard(boards[0], boards[currentMove]);
11807 blackPlaysFirst = !WhiteOnMove(currentMove);
11809 currentMove = forwardMostMove = backwardMostMove = 0;
11810 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11817 /* [DM] icsEngineAnalyze - possible call from other functions */
11818 if (appData.icsEngineAnalyze) {
11819 appData.icsEngineAnalyze = FALSE;
11821 DisplayMessage("",_("Close ICS engine analyze..."));
11823 if (first.analysisSupport && first.analyzing) {
11824 SendToProgram("exit\n", &first);
11825 first.analyzing = FALSE;
11827 thinkOutput[0] = NULLCHAR;
11831 EditPositionDone(Boolean fakeRights)
11833 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11835 startedFromSetupPosition = TRUE;
11836 InitChessProgram(&first, FALSE);
11837 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11838 boards[0][EP_STATUS] = EP_NONE;
11839 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11840 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11841 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11842 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11843 } else boards[0][CASTLING][2] = NoRights;
11844 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11845 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11846 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11847 } else boards[0][CASTLING][5] = NoRights;
11849 SendToProgram("force\n", &first);
11850 if (blackPlaysFirst) {
11851 strcpy(moveList[0], "");
11852 strcpy(parseList[0], "");
11853 currentMove = forwardMostMove = backwardMostMove = 1;
11854 CopyBoard(boards[1], boards[0]);
11856 currentMove = forwardMostMove = backwardMostMove = 0;
11858 SendBoard(&first, forwardMostMove);
11859 if (appData.debugMode) {
11860 fprintf(debugFP, "EditPosDone\n");
11863 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11864 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11865 gameMode = EditGame;
11867 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11868 ClearHighlights(); /* [AS] */
11871 /* Pause for `ms' milliseconds */
11872 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11882 } while (SubtractTimeMarks(&m2, &m1) < ms);
11885 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11887 SendMultiLineToICS(buf)
11890 char temp[MSG_SIZ+1], *p;
11897 strncpy(temp, buf, len);
11902 if (*p == '\n' || *p == '\r')
11907 strcat(temp, "\n");
11909 SendToPlayer(temp, strlen(temp));
11913 SetWhiteToPlayEvent()
11915 if (gameMode == EditPosition) {
11916 blackPlaysFirst = FALSE;
11917 DisplayBothClocks(); /* works because currentMove is 0 */
11918 } else if (gameMode == IcsExamining) {
11919 SendToICS(ics_prefix);
11920 SendToICS("tomove white\n");
11925 SetBlackToPlayEvent()
11927 if (gameMode == EditPosition) {
11928 blackPlaysFirst = TRUE;
11929 currentMove = 1; /* kludge */
11930 DisplayBothClocks();
11932 } else if (gameMode == IcsExamining) {
11933 SendToICS(ics_prefix);
11934 SendToICS("tomove black\n");
11939 EditPositionMenuEvent(selection, x, y)
11940 ChessSquare selection;
11944 ChessSquare piece = boards[0][y][x];
11946 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11948 switch (selection) {
11950 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11951 SendToICS(ics_prefix);
11952 SendToICS("bsetup clear\n");
11953 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11954 SendToICS(ics_prefix);
11955 SendToICS("clearboard\n");
11957 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11958 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11959 for (y = 0; y < BOARD_HEIGHT; y++) {
11960 if (gameMode == IcsExamining) {
11961 if (boards[currentMove][y][x] != EmptySquare) {
11962 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11967 boards[0][y][x] = p;
11972 if (gameMode == EditPosition) {
11973 DrawPosition(FALSE, boards[0]);
11978 SetWhiteToPlayEvent();
11982 SetBlackToPlayEvent();
11986 if (gameMode == IcsExamining) {
11987 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11988 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11991 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11992 if(x == BOARD_LEFT-2) {
11993 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11994 boards[0][y][1] = 0;
11996 if(x == BOARD_RGHT+1) {
11997 if(y >= gameInfo.holdingsSize) break;
11998 boards[0][y][BOARD_WIDTH-2] = 0;
12001 boards[0][y][x] = EmptySquare;
12002 DrawPosition(FALSE, boards[0]);
12007 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12008 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12009 selection = (ChessSquare) (PROMOTED piece);
12010 } else if(piece == EmptySquare) selection = WhiteSilver;
12011 else selection = (ChessSquare)((int)piece - 1);
12015 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12016 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12017 selection = (ChessSquare) (DEMOTED piece);
12018 } else if(piece == EmptySquare) selection = BlackSilver;
12019 else selection = (ChessSquare)((int)piece + 1);
12024 if(gameInfo.variant == VariantShatranj ||
12025 gameInfo.variant == VariantXiangqi ||
12026 gameInfo.variant == VariantCourier ||
12027 gameInfo.variant == VariantMakruk )
12028 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12033 if(gameInfo.variant == VariantXiangqi)
12034 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12035 if(gameInfo.variant == VariantKnightmate)
12036 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12039 if (gameMode == IcsExamining) {
12040 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12041 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12042 PieceToChar(selection), AAA + x, ONE + y);
12045 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12047 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12048 n = PieceToNumber(selection - BlackPawn);
12049 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12050 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12051 boards[0][BOARD_HEIGHT-1-n][1]++;
12053 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12054 n = PieceToNumber(selection);
12055 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12056 boards[0][n][BOARD_WIDTH-1] = selection;
12057 boards[0][n][BOARD_WIDTH-2]++;
12060 boards[0][y][x] = selection;
12061 DrawPosition(TRUE, boards[0]);
12069 DropMenuEvent(selection, x, y)
12070 ChessSquare selection;
12073 ChessMove moveType;
12075 switch (gameMode) {
12076 case IcsPlayingWhite:
12077 case MachinePlaysBlack:
12078 if (!WhiteOnMove(currentMove)) {
12079 DisplayMoveError(_("It is Black's turn"));
12082 moveType = WhiteDrop;
12084 case IcsPlayingBlack:
12085 case MachinePlaysWhite:
12086 if (WhiteOnMove(currentMove)) {
12087 DisplayMoveError(_("It is White's turn"));
12090 moveType = BlackDrop;
12093 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12099 if (moveType == BlackDrop && selection < BlackPawn) {
12100 selection = (ChessSquare) ((int) selection
12101 + (int) BlackPawn - (int) WhitePawn);
12103 if (boards[currentMove][y][x] != EmptySquare) {
12104 DisplayMoveError(_("That square is occupied"));
12108 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12114 /* Accept a pending offer of any kind from opponent */
12116 if (appData.icsActive) {
12117 SendToICS(ics_prefix);
12118 SendToICS("accept\n");
12119 } else if (cmailMsgLoaded) {
12120 if (currentMove == cmailOldMove &&
12121 commentList[cmailOldMove] != NULL &&
12122 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12123 "Black offers a draw" : "White offers a draw")) {
12125 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12128 DisplayError(_("There is no pending offer on this move"), 0);
12129 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12132 /* Not used for offers from chess program */
12139 /* Decline a pending offer of any kind from opponent */
12141 if (appData.icsActive) {
12142 SendToICS(ics_prefix);
12143 SendToICS("decline\n");
12144 } else if (cmailMsgLoaded) {
12145 if (currentMove == cmailOldMove &&
12146 commentList[cmailOldMove] != NULL &&
12147 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12148 "Black offers a draw" : "White offers a draw")) {
12150 AppendComment(cmailOldMove, "Draw declined", TRUE);
12151 DisplayComment(cmailOldMove - 1, "Draw declined");
12154 DisplayError(_("There is no pending offer on this move"), 0);
12157 /* Not used for offers from chess program */
12164 /* Issue ICS rematch command */
12165 if (appData.icsActive) {
12166 SendToICS(ics_prefix);
12167 SendToICS("rematch\n");
12174 /* Call your opponent's flag (claim a win on time) */
12175 if (appData.icsActive) {
12176 SendToICS(ics_prefix);
12177 SendToICS("flag\n");
12179 switch (gameMode) {
12182 case MachinePlaysWhite:
12185 GameEnds(GameIsDrawn, "Both players ran out of time",
12188 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12190 DisplayError(_("Your opponent is not out of time"), 0);
12193 case MachinePlaysBlack:
12196 GameEnds(GameIsDrawn, "Both players ran out of time",
12199 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12201 DisplayError(_("Your opponent is not out of time"), 0);
12211 /* Offer draw or accept pending draw offer from opponent */
12213 if (appData.icsActive) {
12214 /* Note: tournament rules require draw offers to be
12215 made after you make your move but before you punch
12216 your clock. Currently ICS doesn't let you do that;
12217 instead, you immediately punch your clock after making
12218 a move, but you can offer a draw at any time. */
12220 SendToICS(ics_prefix);
12221 SendToICS("draw\n");
12222 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12223 } else if (cmailMsgLoaded) {
12224 if (currentMove == cmailOldMove &&
12225 commentList[cmailOldMove] != NULL &&
12226 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12227 "Black offers a draw" : "White offers a draw")) {
12228 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12229 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12230 } else if (currentMove == cmailOldMove + 1) {
12231 char *offer = WhiteOnMove(cmailOldMove) ?
12232 "White offers a draw" : "Black offers a draw";
12233 AppendComment(currentMove, offer, TRUE);
12234 DisplayComment(currentMove - 1, offer);
12235 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12237 DisplayError(_("You must make your move before offering a draw"), 0);
12238 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12240 } else if (first.offeredDraw) {
12241 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12243 if (first.sendDrawOffers) {
12244 SendToProgram("draw\n", &first);
12245 userOfferedDraw = TRUE;
12253 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12255 if (appData.icsActive) {
12256 SendToICS(ics_prefix);
12257 SendToICS("adjourn\n");
12259 /* Currently GNU Chess doesn't offer or accept Adjourns */
12267 /* Offer Abort or accept pending Abort offer from opponent */
12269 if (appData.icsActive) {
12270 SendToICS(ics_prefix);
12271 SendToICS("abort\n");
12273 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12280 /* Resign. You can do this even if it's not your turn. */
12282 if (appData.icsActive) {
12283 SendToICS(ics_prefix);
12284 SendToICS("resign\n");
12286 switch (gameMode) {
12287 case MachinePlaysWhite:
12288 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12290 case MachinePlaysBlack:
12291 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12294 if (cmailMsgLoaded) {
12296 if (WhiteOnMove(cmailOldMove)) {
12297 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12299 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12301 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12312 StopObservingEvent()
12314 /* Stop observing current games */
12315 SendToICS(ics_prefix);
12316 SendToICS("unobserve\n");
12320 StopExaminingEvent()
12322 /* Stop observing current game */
12323 SendToICS(ics_prefix);
12324 SendToICS("unexamine\n");
12328 ForwardInner(target)
12333 if (appData.debugMode)
12334 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12335 target, currentMove, forwardMostMove);
12337 if (gameMode == EditPosition)
12340 if (gameMode == PlayFromGameFile && !pausing)
12343 if (gameMode == IcsExamining && pausing)
12344 limit = pauseExamForwardMostMove;
12346 limit = forwardMostMove;
12348 if (target > limit) target = limit;
12350 if (target > 0 && moveList[target - 1][0]) {
12351 int fromX, fromY, toX, toY;
12352 toX = moveList[target - 1][2] - AAA;
12353 toY = moveList[target - 1][3] - ONE;
12354 if (moveList[target - 1][1] == '@') {
12355 if (appData.highlightLastMove) {
12356 SetHighlights(-1, -1, toX, toY);
12359 fromX = moveList[target - 1][0] - AAA;
12360 fromY = moveList[target - 1][1] - ONE;
12361 if (target == currentMove + 1) {
12362 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12364 if (appData.highlightLastMove) {
12365 SetHighlights(fromX, fromY, toX, toY);
12369 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12370 gameMode == Training || gameMode == PlayFromGameFile ||
12371 gameMode == AnalyzeFile) {
12372 while (currentMove < target) {
12373 SendMoveToProgram(currentMove++, &first);
12376 currentMove = target;
12379 if (gameMode == EditGame || gameMode == EndOfGame) {
12380 whiteTimeRemaining = timeRemaining[0][currentMove];
12381 blackTimeRemaining = timeRemaining[1][currentMove];
12383 DisplayBothClocks();
12384 DisplayMove(currentMove - 1);
12385 DrawPosition(FALSE, boards[currentMove]);
12386 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12387 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12388 DisplayComment(currentMove - 1, commentList[currentMove]);
12396 if (gameMode == IcsExamining && !pausing) {
12397 SendToICS(ics_prefix);
12398 SendToICS("forward\n");
12400 ForwardInner(currentMove + 1);
12407 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12408 /* to optimze, we temporarily turn off analysis mode while we feed
12409 * the remaining moves to the engine. Otherwise we get analysis output
12412 if (first.analysisSupport) {
12413 SendToProgram("exit\nforce\n", &first);
12414 first.analyzing = FALSE;
12418 if (gameMode == IcsExamining && !pausing) {
12419 SendToICS(ics_prefix);
12420 SendToICS("forward 999999\n");
12422 ForwardInner(forwardMostMove);
12425 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12426 /* we have fed all the moves, so reactivate analysis mode */
12427 SendToProgram("analyze\n", &first);
12428 first.analyzing = TRUE;
12429 /*first.maybeThinking = TRUE;*/
12430 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12435 BackwardInner(target)
12438 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12440 if (appData.debugMode)
12441 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12442 target, currentMove, forwardMostMove);
12444 if (gameMode == EditPosition) return;
12445 if (currentMove <= backwardMostMove) {
12447 DrawPosition(full_redraw, boards[currentMove]);
12450 if (gameMode == PlayFromGameFile && !pausing)
12453 if (moveList[target][0]) {
12454 int fromX, fromY, toX, toY;
12455 toX = moveList[target][2] - AAA;
12456 toY = moveList[target][3] - ONE;
12457 if (moveList[target][1] == '@') {
12458 if (appData.highlightLastMove) {
12459 SetHighlights(-1, -1, toX, toY);
12462 fromX = moveList[target][0] - AAA;
12463 fromY = moveList[target][1] - ONE;
12464 if (target == currentMove - 1) {
12465 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12467 if (appData.highlightLastMove) {
12468 SetHighlights(fromX, fromY, toX, toY);
12472 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12473 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12474 while (currentMove > target) {
12475 SendToProgram("undo\n", &first);
12479 currentMove = target;
12482 if (gameMode == EditGame || gameMode == EndOfGame) {
12483 whiteTimeRemaining = timeRemaining[0][currentMove];
12484 blackTimeRemaining = timeRemaining[1][currentMove];
12486 DisplayBothClocks();
12487 DisplayMove(currentMove - 1);
12488 DrawPosition(full_redraw, boards[currentMove]);
12489 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12490 // [HGM] PV info: routine tests if comment empty
12491 DisplayComment(currentMove - 1, commentList[currentMove]);
12497 if (gameMode == IcsExamining && !pausing) {
12498 SendToICS(ics_prefix);
12499 SendToICS("backward\n");
12501 BackwardInner(currentMove - 1);
12508 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12509 /* to optimize, we temporarily turn off analysis mode while we undo
12510 * all the moves. Otherwise we get analysis output after each undo.
12512 if (first.analysisSupport) {
12513 SendToProgram("exit\nforce\n", &first);
12514 first.analyzing = FALSE;
12518 if (gameMode == IcsExamining && !pausing) {
12519 SendToICS(ics_prefix);
12520 SendToICS("backward 999999\n");
12522 BackwardInner(backwardMostMove);
12525 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12526 /* we have fed all the moves, so reactivate analysis mode */
12527 SendToProgram("analyze\n", &first);
12528 first.analyzing = TRUE;
12529 /*first.maybeThinking = TRUE;*/
12530 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12537 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12538 if (to >= forwardMostMove) to = forwardMostMove;
12539 if (to <= backwardMostMove) to = backwardMostMove;
12540 if (to < currentMove) {
12550 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12553 if (gameMode != IcsExamining) {
12554 DisplayError(_("You are not examining a game"), 0);
12558 DisplayError(_("You can't revert while pausing"), 0);
12561 SendToICS(ics_prefix);
12562 SendToICS("revert\n");
12568 switch (gameMode) {
12569 case MachinePlaysWhite:
12570 case MachinePlaysBlack:
12571 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12572 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12575 if (forwardMostMove < 2) return;
12576 currentMove = forwardMostMove = forwardMostMove - 2;
12577 whiteTimeRemaining = timeRemaining[0][currentMove];
12578 blackTimeRemaining = timeRemaining[1][currentMove];
12579 DisplayBothClocks();
12580 DisplayMove(currentMove - 1);
12581 ClearHighlights();/*!! could figure this out*/
12582 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12583 SendToProgram("remove\n", &first);
12584 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12587 case BeginningOfGame:
12591 case IcsPlayingWhite:
12592 case IcsPlayingBlack:
12593 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12594 SendToICS(ics_prefix);
12595 SendToICS("takeback 2\n");
12597 SendToICS(ics_prefix);
12598 SendToICS("takeback 1\n");
12607 ChessProgramState *cps;
12609 switch (gameMode) {
12610 case MachinePlaysWhite:
12611 if (!WhiteOnMove(forwardMostMove)) {
12612 DisplayError(_("It is your turn"), 0);
12617 case MachinePlaysBlack:
12618 if (WhiteOnMove(forwardMostMove)) {
12619 DisplayError(_("It is your turn"), 0);
12624 case TwoMachinesPlay:
12625 if (WhiteOnMove(forwardMostMove) ==
12626 (first.twoMachinesColor[0] == 'w')) {
12632 case BeginningOfGame:
12636 SendToProgram("?\n", cps);
12640 TruncateGameEvent()
12643 if (gameMode != EditGame) return;
12650 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12651 if (forwardMostMove > currentMove) {
12652 if (gameInfo.resultDetails != NULL) {
12653 free(gameInfo.resultDetails);
12654 gameInfo.resultDetails = NULL;
12655 gameInfo.result = GameUnfinished;
12657 forwardMostMove = currentMove;
12658 HistorySet(parseList, backwardMostMove, forwardMostMove,
12666 if (appData.noChessProgram) return;
12667 switch (gameMode) {
12668 case MachinePlaysWhite:
12669 if (WhiteOnMove(forwardMostMove)) {
12670 DisplayError(_("Wait until your turn"), 0);
12674 case BeginningOfGame:
12675 case MachinePlaysBlack:
12676 if (!WhiteOnMove(forwardMostMove)) {
12677 DisplayError(_("Wait until your turn"), 0);
12682 DisplayError(_("No hint available"), 0);
12685 SendToProgram("hint\n", &first);
12686 hintRequested = TRUE;
12692 if (appData.noChessProgram) return;
12693 switch (gameMode) {
12694 case MachinePlaysWhite:
12695 if (WhiteOnMove(forwardMostMove)) {
12696 DisplayError(_("Wait until your turn"), 0);
12700 case BeginningOfGame:
12701 case MachinePlaysBlack:
12702 if (!WhiteOnMove(forwardMostMove)) {
12703 DisplayError(_("Wait until your turn"), 0);
12708 EditPositionDone(TRUE);
12710 case TwoMachinesPlay:
12715 SendToProgram("bk\n", &first);
12716 bookOutput[0] = NULLCHAR;
12717 bookRequested = TRUE;
12723 char *tags = PGNTags(&gameInfo);
12724 TagsPopUp(tags, CmailMsg());
12728 /* end button procedures */
12731 PrintPosition(fp, move)
12737 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12738 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12739 char c = PieceToChar(boards[move][i][j]);
12740 fputc(c == 'x' ? '.' : c, fp);
12741 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12744 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12745 fprintf(fp, "white to play\n");
12747 fprintf(fp, "black to play\n");
12754 if (gameInfo.white != NULL) {
12755 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12761 /* Find last component of program's own name, using some heuristics */
12763 TidyProgramName(prog, host, buf)
12764 char *prog, *host, buf[MSG_SIZ];
12767 int local = (strcmp(host, "localhost") == 0);
12768 while (!local && (p = strchr(prog, ';')) != NULL) {
12770 while (*p == ' ') p++;
12773 if (*prog == '"' || *prog == '\'') {
12774 q = strchr(prog + 1, *prog);
12776 q = strchr(prog, ' ');
12778 if (q == NULL) q = prog + strlen(prog);
12780 while (p >= prog && *p != '/' && *p != '\\') p--;
12782 if(p == prog && *p == '"') p++;
12783 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12784 memcpy(buf, p, q - p);
12785 buf[q - p] = NULLCHAR;
12793 TimeControlTagValue()
12796 if (!appData.clockMode) {
12798 } else if (movesPerSession > 0) {
12799 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12800 } else if (timeIncrement == 0) {
12801 sprintf(buf, "%ld", timeControl/1000);
12803 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12805 return StrSave(buf);
12811 /* This routine is used only for certain modes */
12812 VariantClass v = gameInfo.variant;
12813 ChessMove r = GameUnfinished;
12816 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12817 r = gameInfo.result;
12818 p = gameInfo.resultDetails;
12819 gameInfo.resultDetails = NULL;
12821 ClearGameInfo(&gameInfo);
12822 gameInfo.variant = v;
12824 switch (gameMode) {
12825 case MachinePlaysWhite:
12826 gameInfo.event = StrSave( appData.pgnEventHeader );
12827 gameInfo.site = StrSave(HostName());
12828 gameInfo.date = PGNDate();
12829 gameInfo.round = StrSave("-");
12830 gameInfo.white = StrSave(first.tidy);
12831 gameInfo.black = StrSave(UserName());
12832 gameInfo.timeControl = TimeControlTagValue();
12835 case MachinePlaysBlack:
12836 gameInfo.event = StrSave( appData.pgnEventHeader );
12837 gameInfo.site = StrSave(HostName());
12838 gameInfo.date = PGNDate();
12839 gameInfo.round = StrSave("-");
12840 gameInfo.white = StrSave(UserName());
12841 gameInfo.black = StrSave(first.tidy);
12842 gameInfo.timeControl = TimeControlTagValue();
12845 case TwoMachinesPlay:
12846 gameInfo.event = StrSave( appData.pgnEventHeader );
12847 gameInfo.site = StrSave(HostName());
12848 gameInfo.date = PGNDate();
12849 if (matchGame > 0) {
12851 sprintf(buf, "%d", matchGame);
12852 gameInfo.round = StrSave(buf);
12854 gameInfo.round = StrSave("-");
12856 if (first.twoMachinesColor[0] == 'w') {
12857 gameInfo.white = StrSave(first.tidy);
12858 gameInfo.black = StrSave(second.tidy);
12860 gameInfo.white = StrSave(second.tidy);
12861 gameInfo.black = StrSave(first.tidy);
12863 gameInfo.timeControl = TimeControlTagValue();
12867 gameInfo.event = StrSave("Edited game");
12868 gameInfo.site = StrSave(HostName());
12869 gameInfo.date = PGNDate();
12870 gameInfo.round = StrSave("-");
12871 gameInfo.white = StrSave("-");
12872 gameInfo.black = StrSave("-");
12873 gameInfo.result = r;
12874 gameInfo.resultDetails = p;
12878 gameInfo.event = StrSave("Edited position");
12879 gameInfo.site = StrSave(HostName());
12880 gameInfo.date = PGNDate();
12881 gameInfo.round = StrSave("-");
12882 gameInfo.white = StrSave("-");
12883 gameInfo.black = StrSave("-");
12886 case IcsPlayingWhite:
12887 case IcsPlayingBlack:
12892 case PlayFromGameFile:
12893 gameInfo.event = StrSave("Game from non-PGN file");
12894 gameInfo.site = StrSave(HostName());
12895 gameInfo.date = PGNDate();
12896 gameInfo.round = StrSave("-");
12897 gameInfo.white = StrSave("?");
12898 gameInfo.black = StrSave("?");
12907 ReplaceComment(index, text)
12913 while (*text == '\n') text++;
12914 len = strlen(text);
12915 while (len > 0 && text[len - 1] == '\n') len--;
12917 if (commentList[index] != NULL)
12918 free(commentList[index]);
12921 commentList[index] = NULL;
12924 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12925 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12926 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12927 commentList[index] = (char *) malloc(len + 2);
12928 strncpy(commentList[index], text, len);
12929 commentList[index][len] = '\n';
12930 commentList[index][len + 1] = NULLCHAR;
12932 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12934 commentList[index] = (char *) malloc(len + 6);
12935 strcpy(commentList[index], "{\n");
12936 strncpy(commentList[index]+2, text, len);
12937 commentList[index][len+2] = NULLCHAR;
12938 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12939 strcat(commentList[index], "\n}\n");
12953 if (ch == '\r') continue;
12955 } while (ch != '\0');
12959 AppendComment(index, text, addBraces)
12962 Boolean addBraces; // [HGM] braces: tells if we should add {}
12967 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12968 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12971 while (*text == '\n') text++;
12972 len = strlen(text);
12973 while (len > 0 && text[len - 1] == '\n') len--;
12975 if (len == 0) return;
12977 if (commentList[index] != NULL) {
12978 old = commentList[index];
12979 oldlen = strlen(old);
12980 while(commentList[index][oldlen-1] == '\n')
12981 commentList[index][--oldlen] = NULLCHAR;
12982 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12983 strcpy(commentList[index], old);
12985 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12986 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12987 if(addBraces) addBraces = FALSE; else { text++; len--; }
12988 while (*text == '\n') { text++; len--; }
12989 commentList[index][--oldlen] = NULLCHAR;
12991 if(addBraces) strcat(commentList[index], "\n{\n");
12992 else strcat(commentList[index], "\n");
12993 strcat(commentList[index], text);
12994 if(addBraces) strcat(commentList[index], "\n}\n");
12995 else strcat(commentList[index], "\n");
12997 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
12999 strcpy(commentList[index], "{\n");
13000 else commentList[index][0] = NULLCHAR;
13001 strcat(commentList[index], text);
13002 strcat(commentList[index], "\n");
13003 if(addBraces) strcat(commentList[index], "}\n");
13007 static char * FindStr( char * text, char * sub_text )
13009 char * result = strstr( text, sub_text );
13011 if( result != NULL ) {
13012 result += strlen( sub_text );
13018 /* [AS] Try to extract PV info from PGN comment */
13019 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13020 char *GetInfoFromComment( int index, char * text )
13024 if( text != NULL && index > 0 ) {
13027 int time = -1, sec = 0, deci;
13028 char * s_eval = FindStr( text, "[%eval " );
13029 char * s_emt = FindStr( text, "[%emt " );
13031 if( s_eval != NULL || s_emt != NULL ) {
13035 if( s_eval != NULL ) {
13036 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13040 if( delim != ']' ) {
13045 if( s_emt != NULL ) {
13050 /* We expect something like: [+|-]nnn.nn/dd */
13053 if(*text != '{') return text; // [HGM] braces: must be normal comment
13055 sep = strchr( text, '/' );
13056 if( sep == NULL || sep < (text+4) ) {
13060 time = -1; sec = -1; deci = -1;
13061 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13062 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13063 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13064 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13068 if( score_lo < 0 || score_lo >= 100 ) {
13072 if(sec >= 0) time = 600*time + 10*sec; else
13073 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13075 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13077 /* [HGM] PV time: now locate end of PV info */
13078 while( *++sep >= '0' && *sep <= '9'); // strip depth
13080 while( *++sep >= '0' && *sep <= '9'); // strip time
13082 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13084 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13085 while(*sep == ' ') sep++;
13096 pvInfoList[index-1].depth = depth;
13097 pvInfoList[index-1].score = score;
13098 pvInfoList[index-1].time = 10*time; // centi-sec
13099 if(*sep == '}') *sep = 0; else *--sep = '{';
13105 SendToProgram(message, cps)
13107 ChessProgramState *cps;
13109 int count, outCount, error;
13112 if (cps->pr == NULL) return;
13115 if (appData.debugMode) {
13118 fprintf(debugFP, "%ld >%-6s: %s",
13119 SubtractTimeMarks(&now, &programStartTime),
13120 cps->which, message);
13123 count = strlen(message);
13124 outCount = OutputToProcess(cps->pr, message, count, &error);
13125 if (outCount < count && !exiting
13126 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13127 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13128 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13129 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13130 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13131 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13133 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13135 gameInfo.resultDetails = StrSave(buf);
13137 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13142 ReceiveFromProgram(isr, closure, message, count, error)
13143 InputSourceRef isr;
13151 ChessProgramState *cps = (ChessProgramState *)closure;
13153 if (isr != cps->isr) return; /* Killed intentionally */
13157 _("Error: %s chess program (%s) exited unexpectedly"),
13158 cps->which, cps->program);
13159 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13160 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13161 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13162 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13164 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13166 gameInfo.resultDetails = StrSave(buf);
13168 RemoveInputSource(cps->isr);
13169 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13172 _("Error reading from %s chess program (%s)"),
13173 cps->which, cps->program);
13174 RemoveInputSource(cps->isr);
13176 /* [AS] Program is misbehaving badly... kill it */
13177 if( count == -2 ) {
13178 DestroyChildProcess( cps->pr, 9 );
13182 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13187 if ((end_str = strchr(message, '\r')) != NULL)
13188 *end_str = NULLCHAR;
13189 if ((end_str = strchr(message, '\n')) != NULL)
13190 *end_str = NULLCHAR;
13192 if (appData.debugMode) {
13193 TimeMark now; int print = 1;
13194 char *quote = ""; char c; int i;
13196 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13197 char start = message[0];
13198 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13199 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13200 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13201 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13202 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13203 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13204 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13205 sscanf(message, "pong %c", &c)!=1 && start != '#')
13206 { quote = "# "; print = (appData.engineComments == 2); }
13207 message[0] = start; // restore original message
13211 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13212 SubtractTimeMarks(&now, &programStartTime), cps->which,
13218 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13219 if (appData.icsEngineAnalyze) {
13220 if (strstr(message, "whisper") != NULL ||
13221 strstr(message, "kibitz") != NULL ||
13222 strstr(message, "tellics") != NULL) return;
13225 HandleMachineMove(message, cps);
13230 SendTimeControl(cps, mps, tc, inc, sd, st)
13231 ChessProgramState *cps;
13232 int mps, inc, sd, st;
13238 if( timeControl_2 > 0 ) {
13239 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13240 tc = timeControl_2;
13243 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13244 inc /= cps->timeOdds;
13245 st /= cps->timeOdds;
13247 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13250 /* Set exact time per move, normally using st command */
13251 if (cps->stKludge) {
13252 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13254 if (seconds == 0) {
13255 sprintf(buf, "level 1 %d\n", st/60);
13257 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13260 sprintf(buf, "st %d\n", st);
13263 /* Set conventional or incremental time control, using level command */
13264 if (seconds == 0) {
13265 /* Note old gnuchess bug -- minutes:seconds used to not work.
13266 Fixed in later versions, but still avoid :seconds
13267 when seconds is 0. */
13268 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13270 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13271 seconds, inc/1000);
13274 SendToProgram(buf, cps);
13276 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13277 /* Orthogonally, limit search to given depth */
13279 if (cps->sdKludge) {
13280 sprintf(buf, "depth\n%d\n", sd);
13282 sprintf(buf, "sd %d\n", sd);
13284 SendToProgram(buf, cps);
13287 if(cps->nps > 0) { /* [HGM] nps */
13288 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13290 sprintf(buf, "nps %d\n", cps->nps);
13291 SendToProgram(buf, cps);
13296 ChessProgramState *WhitePlayer()
13297 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13299 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13300 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13306 SendTimeRemaining(cps, machineWhite)
13307 ChessProgramState *cps;
13308 int /*boolean*/ machineWhite;
13310 char message[MSG_SIZ];
13313 /* Note: this routine must be called when the clocks are stopped
13314 or when they have *just* been set or switched; otherwise
13315 it will be off by the time since the current tick started.
13317 if (machineWhite) {
13318 time = whiteTimeRemaining / 10;
13319 otime = blackTimeRemaining / 10;
13321 time = blackTimeRemaining / 10;
13322 otime = whiteTimeRemaining / 10;
13324 /* [HGM] translate opponent's time by time-odds factor */
13325 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13326 if (appData.debugMode) {
13327 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13330 if (time <= 0) time = 1;
13331 if (otime <= 0) otime = 1;
13333 sprintf(message, "time %ld\n", time);
13334 SendToProgram(message, cps);
13336 sprintf(message, "otim %ld\n", otime);
13337 SendToProgram(message, cps);
13341 BoolFeature(p, name, loc, cps)
13345 ChessProgramState *cps;
13348 int len = strlen(name);
13350 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13352 sscanf(*p, "%d", &val);
13354 while (**p && **p != ' ') (*p)++;
13355 sprintf(buf, "accepted %s\n", name);
13356 SendToProgram(buf, cps);
13363 IntFeature(p, name, loc, cps)
13367 ChessProgramState *cps;
13370 int len = strlen(name);
13371 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13373 sscanf(*p, "%d", loc);
13374 while (**p && **p != ' ') (*p)++;
13375 sprintf(buf, "accepted %s\n", name);
13376 SendToProgram(buf, cps);
13383 StringFeature(p, name, loc, cps)
13387 ChessProgramState *cps;
13390 int len = strlen(name);
13391 if (strncmp((*p), name, len) == 0
13392 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13394 sscanf(*p, "%[^\"]", loc);
13395 while (**p && **p != '\"') (*p)++;
13396 if (**p == '\"') (*p)++;
13397 sprintf(buf, "accepted %s\n", name);
13398 SendToProgram(buf, cps);
13405 ParseOption(Option *opt, ChessProgramState *cps)
13406 // [HGM] options: process the string that defines an engine option, and determine
13407 // name, type, default value, and allowed value range
13409 char *p, *q, buf[MSG_SIZ];
13410 int n, min = (-1)<<31, max = 1<<31, def;
13412 if(p = strstr(opt->name, " -spin ")) {
13413 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13414 if(max < min) max = min; // enforce consistency
13415 if(def < min) def = min;
13416 if(def > max) def = max;
13421 } else if((p = strstr(opt->name, " -slider "))) {
13422 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13423 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13424 if(max < min) max = min; // enforce consistency
13425 if(def < min) def = min;
13426 if(def > max) def = max;
13430 opt->type = Spin; // Slider;
13431 } else if((p = strstr(opt->name, " -string "))) {
13432 opt->textValue = p+9;
13433 opt->type = TextBox;
13434 } else if((p = strstr(opt->name, " -file "))) {
13435 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13436 opt->textValue = p+7;
13437 opt->type = TextBox; // FileName;
13438 } else if((p = strstr(opt->name, " -path "))) {
13439 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13440 opt->textValue = p+7;
13441 opt->type = TextBox; // PathName;
13442 } else if(p = strstr(opt->name, " -check ")) {
13443 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13444 opt->value = (def != 0);
13445 opt->type = CheckBox;
13446 } else if(p = strstr(opt->name, " -combo ")) {
13447 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13448 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13449 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13450 opt->value = n = 0;
13451 while(q = StrStr(q, " /// ")) {
13452 n++; *q = 0; // count choices, and null-terminate each of them
13454 if(*q == '*') { // remember default, which is marked with * prefix
13458 cps->comboList[cps->comboCnt++] = q;
13460 cps->comboList[cps->comboCnt++] = NULL;
13462 opt->type = ComboBox;
13463 } else if(p = strstr(opt->name, " -button")) {
13464 opt->type = Button;
13465 } else if(p = strstr(opt->name, " -save")) {
13466 opt->type = SaveButton;
13467 } else return FALSE;
13468 *p = 0; // terminate option name
13469 // now look if the command-line options define a setting for this engine option.
13470 if(cps->optionSettings && cps->optionSettings[0])
13471 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13472 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13473 sprintf(buf, "option %s", p);
13474 if(p = strstr(buf, ",")) *p = 0;
13476 SendToProgram(buf, cps);
13482 FeatureDone(cps, val)
13483 ChessProgramState* cps;
13486 DelayedEventCallback cb = GetDelayedEvent();
13487 if ((cb == InitBackEnd3 && cps == &first) ||
13488 (cb == TwoMachinesEventIfReady && cps == &second)) {
13489 CancelDelayedEvent();
13490 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13492 cps->initDone = val;
13495 /* Parse feature command from engine */
13497 ParseFeatures(args, cps)
13499 ChessProgramState *cps;
13507 while (*p == ' ') p++;
13508 if (*p == NULLCHAR) return;
13510 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13511 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13512 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13513 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13514 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13515 if (BoolFeature(&p, "reuse", &val, cps)) {
13516 /* Engine can disable reuse, but can't enable it if user said no */
13517 if (!val) cps->reuse = FALSE;
13520 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13521 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13522 if (gameMode == TwoMachinesPlay) {
13523 DisplayTwoMachinesTitle();
13529 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13530 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13531 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13532 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13533 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13534 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13535 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13536 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13537 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13538 if (IntFeature(&p, "done", &val, cps)) {
13539 FeatureDone(cps, val);
13542 /* Added by Tord: */
13543 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13544 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13545 /* End of additions by Tord */
13547 /* [HGM] added features: */
13548 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13549 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13550 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13551 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13552 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13553 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13554 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13555 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13556 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13557 SendToProgram(buf, cps);
13560 if(cps->nrOptions >= MAX_OPTIONS) {
13562 sprintf(buf, "%s engine has too many options\n", cps->which);
13563 DisplayError(buf, 0);
13567 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13568 /* End of additions by HGM */
13570 /* unknown feature: complain and skip */
13572 while (*q && *q != '=') q++;
13573 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13574 SendToProgram(buf, cps);
13580 while (*p && *p != '\"') p++;
13581 if (*p == '\"') p++;
13583 while (*p && *p != ' ') p++;
13591 PeriodicUpdatesEvent(newState)
13594 if (newState == appData.periodicUpdates)
13597 appData.periodicUpdates=newState;
13599 /* Display type changes, so update it now */
13600 // DisplayAnalysis();
13602 /* Get the ball rolling again... */
13604 AnalysisPeriodicEvent(1);
13605 StartAnalysisClock();
13610 PonderNextMoveEvent(newState)
13613 if (newState == appData.ponderNextMove) return;
13614 if (gameMode == EditPosition) EditPositionDone(TRUE);
13616 SendToProgram("hard\n", &first);
13617 if (gameMode == TwoMachinesPlay) {
13618 SendToProgram("hard\n", &second);
13621 SendToProgram("easy\n", &first);
13622 thinkOutput[0] = NULLCHAR;
13623 if (gameMode == TwoMachinesPlay) {
13624 SendToProgram("easy\n", &second);
13627 appData.ponderNextMove = newState;
13631 NewSettingEvent(option, command, value)
13637 if (gameMode == EditPosition) EditPositionDone(TRUE);
13638 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13639 SendToProgram(buf, &first);
13640 if (gameMode == TwoMachinesPlay) {
13641 SendToProgram(buf, &second);
13646 ShowThinkingEvent()
13647 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13649 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13650 int newState = appData.showThinking
13651 // [HGM] thinking: other features now need thinking output as well
13652 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13654 if (oldState == newState) return;
13655 oldState = newState;
13656 if (gameMode == EditPosition) EditPositionDone(TRUE);
13658 SendToProgram("post\n", &first);
13659 if (gameMode == TwoMachinesPlay) {
13660 SendToProgram("post\n", &second);
13663 SendToProgram("nopost\n", &first);
13664 thinkOutput[0] = NULLCHAR;
13665 if (gameMode == TwoMachinesPlay) {
13666 SendToProgram("nopost\n", &second);
13669 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13673 AskQuestionEvent(title, question, replyPrefix, which)
13674 char *title; char *question; char *replyPrefix; char *which;
13676 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13677 if (pr == NoProc) return;
13678 AskQuestion(title, question, replyPrefix, pr);
13682 DisplayMove(moveNumber)
13685 char message[MSG_SIZ];
13687 char cpThinkOutput[MSG_SIZ];
13689 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13691 if (moveNumber == forwardMostMove - 1 ||
13692 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13694 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13696 if (strchr(cpThinkOutput, '\n')) {
13697 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13700 *cpThinkOutput = NULLCHAR;
13703 /* [AS] Hide thinking from human user */
13704 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13705 *cpThinkOutput = NULLCHAR;
13706 if( thinkOutput[0] != NULLCHAR ) {
13709 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13710 cpThinkOutput[i] = '.';
13712 cpThinkOutput[i] = NULLCHAR;
13713 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13717 if (moveNumber == forwardMostMove - 1 &&
13718 gameInfo.resultDetails != NULL) {
13719 if (gameInfo.resultDetails[0] == NULLCHAR) {
13720 sprintf(res, " %s", PGNResult(gameInfo.result));
13722 sprintf(res, " {%s} %s",
13723 gameInfo.resultDetails, PGNResult(gameInfo.result));
13729 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13730 DisplayMessage(res, cpThinkOutput);
13732 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13733 WhiteOnMove(moveNumber) ? " " : ".. ",
13734 parseList[moveNumber], res);
13735 DisplayMessage(message, cpThinkOutput);
13740 DisplayComment(moveNumber, text)
13744 char title[MSG_SIZ];
13745 char buf[8000]; // comment can be long!
13748 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13749 strcpy(title, "Comment");
13751 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13752 WhiteOnMove(moveNumber) ? " " : ".. ",
13753 parseList[moveNumber]);
13755 // [HGM] PV info: display PV info together with (or as) comment
13756 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13757 if(text == NULL) text = "";
13758 score = pvInfoList[moveNumber].score;
13759 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13760 depth, (pvInfoList[moveNumber].time+50)/100, text);
13763 if (text != NULL && (appData.autoDisplayComment || commentUp))
13764 CommentPopUp(title, text);
13767 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13768 * might be busy thinking or pondering. It can be omitted if your
13769 * gnuchess is configured to stop thinking immediately on any user
13770 * input. However, that gnuchess feature depends on the FIONREAD
13771 * ioctl, which does not work properly on some flavors of Unix.
13775 ChessProgramState *cps;
13778 if (!cps->useSigint) return;
13779 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13780 switch (gameMode) {
13781 case MachinePlaysWhite:
13782 case MachinePlaysBlack:
13783 case TwoMachinesPlay:
13784 case IcsPlayingWhite:
13785 case IcsPlayingBlack:
13788 /* Skip if we know it isn't thinking */
13789 if (!cps->maybeThinking) return;
13790 if (appData.debugMode)
13791 fprintf(debugFP, "Interrupting %s\n", cps->which);
13792 InterruptChildProcess(cps->pr);
13793 cps->maybeThinking = FALSE;
13798 #endif /*ATTENTION*/
13804 if (whiteTimeRemaining <= 0) {
13807 if (appData.icsActive) {
13808 if (appData.autoCallFlag &&
13809 gameMode == IcsPlayingBlack && !blackFlag) {
13810 SendToICS(ics_prefix);
13811 SendToICS("flag\n");
13815 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13817 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13818 if (appData.autoCallFlag) {
13819 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13826 if (blackTimeRemaining <= 0) {
13829 if (appData.icsActive) {
13830 if (appData.autoCallFlag &&
13831 gameMode == IcsPlayingWhite && !whiteFlag) {
13832 SendToICS(ics_prefix);
13833 SendToICS("flag\n");
13837 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13839 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13840 if (appData.autoCallFlag) {
13841 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13854 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13855 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13858 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13860 if ( !WhiteOnMove(forwardMostMove) )
13861 /* White made time control */
13862 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13863 /* [HGM] time odds: correct new time quota for time odds! */
13864 / WhitePlayer()->timeOdds;
13866 /* Black made time control */
13867 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13868 / WhitePlayer()->other->timeOdds;
13872 DisplayBothClocks()
13874 int wom = gameMode == EditPosition ?
13875 !blackPlaysFirst : WhiteOnMove(currentMove);
13876 DisplayWhiteClock(whiteTimeRemaining, wom);
13877 DisplayBlackClock(blackTimeRemaining, !wom);
13881 /* Timekeeping seems to be a portability nightmare. I think everyone
13882 has ftime(), but I'm really not sure, so I'm including some ifdefs
13883 to use other calls if you don't. Clocks will be less accurate if
13884 you have neither ftime nor gettimeofday.
13887 /* VS 2008 requires the #include outside of the function */
13888 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13889 #include <sys/timeb.h>
13892 /* Get the current time as a TimeMark */
13897 #if HAVE_GETTIMEOFDAY
13899 struct timeval timeVal;
13900 struct timezone timeZone;
13902 gettimeofday(&timeVal, &timeZone);
13903 tm->sec = (long) timeVal.tv_sec;
13904 tm->ms = (int) (timeVal.tv_usec / 1000L);
13906 #else /*!HAVE_GETTIMEOFDAY*/
13909 // include <sys/timeb.h> / moved to just above start of function
13910 struct timeb timeB;
13913 tm->sec = (long) timeB.time;
13914 tm->ms = (int) timeB.millitm;
13916 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13917 tm->sec = (long) time(NULL);
13923 /* Return the difference in milliseconds between two
13924 time marks. We assume the difference will fit in a long!
13927 SubtractTimeMarks(tm2, tm1)
13928 TimeMark *tm2, *tm1;
13930 return 1000L*(tm2->sec - tm1->sec) +
13931 (long) (tm2->ms - tm1->ms);
13936 * Code to manage the game clocks.
13938 * In tournament play, black starts the clock and then white makes a move.
13939 * We give the human user a slight advantage if he is playing white---the
13940 * clocks don't run until he makes his first move, so it takes zero time.
13941 * Also, we don't account for network lag, so we could get out of sync
13942 * with GNU Chess's clock -- but then, referees are always right.
13945 static TimeMark tickStartTM;
13946 static long intendedTickLength;
13949 NextTickLength(timeRemaining)
13950 long timeRemaining;
13952 long nominalTickLength, nextTickLength;
13954 if (timeRemaining > 0L && timeRemaining <= 10000L)
13955 nominalTickLength = 100L;
13957 nominalTickLength = 1000L;
13958 nextTickLength = timeRemaining % nominalTickLength;
13959 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13961 return nextTickLength;
13964 /* Adjust clock one minute up or down */
13966 AdjustClock(Boolean which, int dir)
13968 if(which) blackTimeRemaining += 60000*dir;
13969 else whiteTimeRemaining += 60000*dir;
13970 DisplayBothClocks();
13973 /* Stop clocks and reset to a fresh time control */
13977 (void) StopClockTimer();
13978 if (appData.icsActive) {
13979 whiteTimeRemaining = blackTimeRemaining = 0;
13980 } else if (searchTime) {
13981 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13982 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13983 } else { /* [HGM] correct new time quote for time odds */
13984 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13985 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13987 if (whiteFlag || blackFlag) {
13989 whiteFlag = blackFlag = FALSE;
13991 DisplayBothClocks();
13994 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13996 /* Decrement running clock by amount of time that has passed */
14000 long timeRemaining;
14001 long lastTickLength, fudge;
14004 if (!appData.clockMode) return;
14005 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14009 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14011 /* Fudge if we woke up a little too soon */
14012 fudge = intendedTickLength - lastTickLength;
14013 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14015 if (WhiteOnMove(forwardMostMove)) {
14016 if(whiteNPS >= 0) lastTickLength = 0;
14017 timeRemaining = whiteTimeRemaining -= lastTickLength;
14018 DisplayWhiteClock(whiteTimeRemaining - fudge,
14019 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14021 if(blackNPS >= 0) lastTickLength = 0;
14022 timeRemaining = blackTimeRemaining -= lastTickLength;
14023 DisplayBlackClock(blackTimeRemaining - fudge,
14024 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14027 if (CheckFlags()) return;
14030 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14031 StartClockTimer(intendedTickLength);
14033 /* if the time remaining has fallen below the alarm threshold, sound the
14034 * alarm. if the alarm has sounded and (due to a takeback or time control
14035 * with increment) the time remaining has increased to a level above the
14036 * threshold, reset the alarm so it can sound again.
14039 if (appData.icsActive && appData.icsAlarm) {
14041 /* make sure we are dealing with the user's clock */
14042 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14043 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14046 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14047 alarmSounded = FALSE;
14048 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14050 alarmSounded = TRUE;
14056 /* A player has just moved, so stop the previously running
14057 clock and (if in clock mode) start the other one.
14058 We redisplay both clocks in case we're in ICS mode, because
14059 ICS gives us an update to both clocks after every move.
14060 Note that this routine is called *after* forwardMostMove
14061 is updated, so the last fractional tick must be subtracted
14062 from the color that is *not* on move now.
14065 SwitchClocks(int newMoveNr)
14067 long lastTickLength;
14069 int flagged = FALSE;
14073 if (StopClockTimer() && appData.clockMode) {
14074 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14075 if (!WhiteOnMove(forwardMostMove)) {
14076 if(blackNPS >= 0) lastTickLength = 0;
14077 blackTimeRemaining -= lastTickLength;
14078 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14079 // if(pvInfoList[forwardMostMove-1].time == -1)
14080 pvInfoList[forwardMostMove-1].time = // use GUI time
14081 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14083 if(whiteNPS >= 0) lastTickLength = 0;
14084 whiteTimeRemaining -= lastTickLength;
14085 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14086 // if(pvInfoList[forwardMostMove-1].time == -1)
14087 pvInfoList[forwardMostMove-1].time =
14088 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14090 flagged = CheckFlags();
14092 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14093 CheckTimeControl();
14095 if (flagged || !appData.clockMode) return;
14097 switch (gameMode) {
14098 case MachinePlaysBlack:
14099 case MachinePlaysWhite:
14100 case BeginningOfGame:
14101 if (pausing) return;
14105 case PlayFromGameFile:
14113 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14114 if(WhiteOnMove(forwardMostMove))
14115 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14116 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14120 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14121 whiteTimeRemaining : blackTimeRemaining);
14122 StartClockTimer(intendedTickLength);
14126 /* Stop both clocks */
14130 long lastTickLength;
14133 if (!StopClockTimer()) return;
14134 if (!appData.clockMode) return;
14138 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14139 if (WhiteOnMove(forwardMostMove)) {
14140 if(whiteNPS >= 0) lastTickLength = 0;
14141 whiteTimeRemaining -= lastTickLength;
14142 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14144 if(blackNPS >= 0) lastTickLength = 0;
14145 blackTimeRemaining -= lastTickLength;
14146 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14151 /* Start clock of player on move. Time may have been reset, so
14152 if clock is already running, stop and restart it. */
14156 (void) StopClockTimer(); /* in case it was running already */
14157 DisplayBothClocks();
14158 if (CheckFlags()) return;
14160 if (!appData.clockMode) return;
14161 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14163 GetTimeMark(&tickStartTM);
14164 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14165 whiteTimeRemaining : blackTimeRemaining);
14167 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14168 whiteNPS = blackNPS = -1;
14169 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14170 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14171 whiteNPS = first.nps;
14172 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14173 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14174 blackNPS = first.nps;
14175 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14176 whiteNPS = second.nps;
14177 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14178 blackNPS = second.nps;
14179 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14181 StartClockTimer(intendedTickLength);
14188 long second, minute, hour, day;
14190 static char buf[32];
14192 if (ms > 0 && ms <= 9900) {
14193 /* convert milliseconds to tenths, rounding up */
14194 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14196 sprintf(buf, " %03.1f ", tenths/10.0);
14200 /* convert milliseconds to seconds, rounding up */
14201 /* use floating point to avoid strangeness of integer division
14202 with negative dividends on many machines */
14203 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14210 day = second / (60 * 60 * 24);
14211 second = second % (60 * 60 * 24);
14212 hour = second / (60 * 60);
14213 second = second % (60 * 60);
14214 minute = second / 60;
14215 second = second % 60;
14218 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14219 sign, day, hour, minute, second);
14221 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14223 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14230 * This is necessary because some C libraries aren't ANSI C compliant yet.
14233 StrStr(string, match)
14234 char *string, *match;
14238 length = strlen(match);
14240 for (i = strlen(string) - length; i >= 0; i--, string++)
14241 if (!strncmp(match, string, length))
14248 StrCaseStr(string, match)
14249 char *string, *match;
14253 length = strlen(match);
14255 for (i = strlen(string) - length; i >= 0; i--, string++) {
14256 for (j = 0; j < length; j++) {
14257 if (ToLower(match[j]) != ToLower(string[j]))
14260 if (j == length) return string;
14274 c1 = ToLower(*s1++);
14275 c2 = ToLower(*s2++);
14276 if (c1 > c2) return 1;
14277 if (c1 < c2) return -1;
14278 if (c1 == NULLCHAR) return 0;
14287 return isupper(c) ? tolower(c) : c;
14295 return islower(c) ? toupper(c) : c;
14297 #endif /* !_amigados */
14305 if ((ret = (char *) malloc(strlen(s) + 1))) {
14312 StrSavePtr(s, savePtr)
14313 char *s, **savePtr;
14318 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14319 strcpy(*savePtr, s);
14331 clock = time((time_t *)NULL);
14332 tm = localtime(&clock);
14333 sprintf(buf, "%04d.%02d.%02d",
14334 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14335 return StrSave(buf);
14340 PositionToFEN(move, overrideCastling)
14342 char *overrideCastling;
14344 int i, j, fromX, fromY, toX, toY;
14351 whiteToPlay = (gameMode == EditPosition) ?
14352 !blackPlaysFirst : (move % 2 == 0);
14355 /* Piece placement data */
14356 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14358 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14359 if (boards[move][i][j] == EmptySquare) {
14361 } else { ChessSquare piece = boards[move][i][j];
14362 if (emptycount > 0) {
14363 if(emptycount<10) /* [HGM] can be >= 10 */
14364 *p++ = '0' + emptycount;
14365 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14368 if(PieceToChar(piece) == '+') {
14369 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14371 piece = (ChessSquare)(DEMOTED piece);
14373 *p++ = PieceToChar(piece);
14375 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14376 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14381 if (emptycount > 0) {
14382 if(emptycount<10) /* [HGM] can be >= 10 */
14383 *p++ = '0' + emptycount;
14384 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14391 /* [HGM] print Crazyhouse or Shogi holdings */
14392 if( gameInfo.holdingsWidth ) {
14393 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14395 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14396 piece = boards[move][i][BOARD_WIDTH-1];
14397 if( piece != EmptySquare )
14398 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14399 *p++ = PieceToChar(piece);
14401 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14402 piece = boards[move][BOARD_HEIGHT-i-1][0];
14403 if( piece != EmptySquare )
14404 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14405 *p++ = PieceToChar(piece);
14408 if( q == p ) *p++ = '-';
14414 *p++ = whiteToPlay ? 'w' : 'b';
14417 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14418 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14420 if(nrCastlingRights) {
14422 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14423 /* [HGM] write directly from rights */
14424 if(boards[move][CASTLING][2] != NoRights &&
14425 boards[move][CASTLING][0] != NoRights )
14426 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14427 if(boards[move][CASTLING][2] != NoRights &&
14428 boards[move][CASTLING][1] != NoRights )
14429 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14430 if(boards[move][CASTLING][5] != NoRights &&
14431 boards[move][CASTLING][3] != NoRights )
14432 *p++ = boards[move][CASTLING][3] + AAA;
14433 if(boards[move][CASTLING][5] != NoRights &&
14434 boards[move][CASTLING][4] != NoRights )
14435 *p++ = boards[move][CASTLING][4] + AAA;
14438 /* [HGM] write true castling rights */
14439 if( nrCastlingRights == 6 ) {
14440 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14441 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14442 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14443 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14444 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14445 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14446 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14447 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14450 if (q == p) *p++ = '-'; /* No castling rights */
14454 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14455 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14456 /* En passant target square */
14457 if (move > backwardMostMove) {
14458 fromX = moveList[move - 1][0] - AAA;
14459 fromY = moveList[move - 1][1] - ONE;
14460 toX = moveList[move - 1][2] - AAA;
14461 toY = moveList[move - 1][3] - ONE;
14462 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14463 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14464 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14466 /* 2-square pawn move just happened */
14468 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14472 } else if(move == backwardMostMove) {
14473 // [HGM] perhaps we should always do it like this, and forget the above?
14474 if((signed char)boards[move][EP_STATUS] >= 0) {
14475 *p++ = boards[move][EP_STATUS] + AAA;
14476 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14487 /* [HGM] find reversible plies */
14488 { int i = 0, j=move;
14490 if (appData.debugMode) { int k;
14491 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14492 for(k=backwardMostMove; k<=forwardMostMove; k++)
14493 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14497 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14498 if( j == backwardMostMove ) i += initialRulePlies;
14499 sprintf(p, "%d ", i);
14500 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14502 /* Fullmove number */
14503 sprintf(p, "%d", (move / 2) + 1);
14505 return StrSave(buf);
14509 ParseFEN(board, blackPlaysFirst, fen)
14511 int *blackPlaysFirst;
14521 /* [HGM] by default clear Crazyhouse holdings, if present */
14522 if(gameInfo.holdingsWidth) {
14523 for(i=0; i<BOARD_HEIGHT; i++) {
14524 board[i][0] = EmptySquare; /* black holdings */
14525 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14526 board[i][1] = (ChessSquare) 0; /* black counts */
14527 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14531 /* Piece placement data */
14532 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14535 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14536 if (*p == '/') p++;
14537 emptycount = gameInfo.boardWidth - j;
14538 while (emptycount--)
14539 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14541 #if(BOARD_FILES >= 10)
14542 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14543 p++; emptycount=10;
14544 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14545 while (emptycount--)
14546 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14548 } else if (isdigit(*p)) {
14549 emptycount = *p++ - '0';
14550 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14551 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14552 while (emptycount--)
14553 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14554 } else if (*p == '+' || isalpha(*p)) {
14555 if (j >= gameInfo.boardWidth) return FALSE;
14557 piece = CharToPiece(*++p);
14558 if(piece == EmptySquare) return FALSE; /* unknown piece */
14559 piece = (ChessSquare) (PROMOTED piece ); p++;
14560 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14561 } else piece = CharToPiece(*p++);
14563 if(piece==EmptySquare) return FALSE; /* unknown piece */
14564 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14565 piece = (ChessSquare) (PROMOTED piece);
14566 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14569 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14575 while (*p == '/' || *p == ' ') p++;
14577 /* [HGM] look for Crazyhouse holdings here */
14578 while(*p==' ') p++;
14579 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14581 if(*p == '-' ) *p++; /* empty holdings */ else {
14582 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14583 /* if we would allow FEN reading to set board size, we would */
14584 /* have to add holdings and shift the board read so far here */
14585 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14587 if((int) piece >= (int) BlackPawn ) {
14588 i = (int)piece - (int)BlackPawn;
14589 i = PieceToNumber((ChessSquare)i);
14590 if( i >= gameInfo.holdingsSize ) return FALSE;
14591 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14592 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14594 i = (int)piece - (int)WhitePawn;
14595 i = PieceToNumber((ChessSquare)i);
14596 if( i >= gameInfo.holdingsSize ) return FALSE;
14597 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14598 board[i][BOARD_WIDTH-2]++; /* black holdings */
14602 if(*p == ']') *p++;
14605 while(*p == ' ') p++;
14610 *blackPlaysFirst = FALSE;
14613 *blackPlaysFirst = TRUE;
14619 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14620 /* return the extra info in global variiables */
14622 /* set defaults in case FEN is incomplete */
14623 board[EP_STATUS] = EP_UNKNOWN;
14624 for(i=0; i<nrCastlingRights; i++ ) {
14625 board[CASTLING][i] =
14626 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14627 } /* assume possible unless obviously impossible */
14628 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14629 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14630 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14631 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14632 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14633 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14634 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14635 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14638 while(*p==' ') p++;
14639 if(nrCastlingRights) {
14640 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14641 /* castling indicator present, so default becomes no castlings */
14642 for(i=0; i<nrCastlingRights; i++ ) {
14643 board[CASTLING][i] = NoRights;
14646 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14647 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14648 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14649 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14650 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14652 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14653 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14654 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14656 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14657 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14658 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14659 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14660 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14661 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14664 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14665 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14666 board[CASTLING][2] = whiteKingFile;
14669 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14670 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14671 board[CASTLING][2] = whiteKingFile;
14674 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14675 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14676 board[CASTLING][5] = blackKingFile;
14679 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14680 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14681 board[CASTLING][5] = blackKingFile;
14684 default: /* FRC castlings */
14685 if(c >= 'a') { /* black rights */
14686 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14687 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14688 if(i == BOARD_RGHT) break;
14689 board[CASTLING][5] = i;
14691 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14692 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14694 board[CASTLING][3] = c;
14696 board[CASTLING][4] = c;
14697 } else { /* white rights */
14698 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14699 if(board[0][i] == WhiteKing) break;
14700 if(i == BOARD_RGHT) break;
14701 board[CASTLING][2] = i;
14702 c -= AAA - 'a' + 'A';
14703 if(board[0][c] >= WhiteKing) break;
14705 board[CASTLING][0] = c;
14707 board[CASTLING][1] = c;
14711 for(i=0; i<nrCastlingRights; i++)
14712 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14713 if (appData.debugMode) {
14714 fprintf(debugFP, "FEN castling rights:");
14715 for(i=0; i<nrCastlingRights; i++)
14716 fprintf(debugFP, " %d", board[CASTLING][i]);
14717 fprintf(debugFP, "\n");
14720 while(*p==' ') p++;
14723 /* read e.p. field in games that know e.p. capture */
14724 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14725 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14727 p++; board[EP_STATUS] = EP_NONE;
14729 char c = *p++ - AAA;
14731 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14732 if(*p >= '0' && *p <='9') *p++;
14733 board[EP_STATUS] = c;
14738 if(sscanf(p, "%d", &i) == 1) {
14739 FENrulePlies = i; /* 50-move ply counter */
14740 /* (The move number is still ignored) */
14747 EditPositionPasteFEN(char *fen)
14750 Board initial_position;
14752 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14753 DisplayError(_("Bad FEN position in clipboard"), 0);
14756 int savedBlackPlaysFirst = blackPlaysFirst;
14757 EditPositionEvent();
14758 blackPlaysFirst = savedBlackPlaysFirst;
14759 CopyBoard(boards[0], initial_position);
14760 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14761 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14762 DisplayBothClocks();
14763 DrawPosition(FALSE, boards[currentMove]);
14768 static char cseq[12] = "\\ ";
14770 Boolean set_cont_sequence(char *new_seq)
14775 // handle bad attempts to set the sequence
14777 return 0; // acceptable error - no debug
14779 len = strlen(new_seq);
14780 ret = (len > 0) && (len < sizeof(cseq));
14782 strcpy(cseq, new_seq);
14783 else if (appData.debugMode)
14784 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14789 reformat a source message so words don't cross the width boundary. internal
14790 newlines are not removed. returns the wrapped size (no null character unless
14791 included in source message). If dest is NULL, only calculate the size required
14792 for the dest buffer. lp argument indicats line position upon entry, and it's
14793 passed back upon exit.
14795 int wrap(char *dest, char *src, int count, int width, int *lp)
14797 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14799 cseq_len = strlen(cseq);
14800 old_line = line = *lp;
14801 ansi = len = clen = 0;
14803 for (i=0; i < count; i++)
14805 if (src[i] == '\033')
14808 // if we hit the width, back up
14809 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14811 // store i & len in case the word is too long
14812 old_i = i, old_len = len;
14814 // find the end of the last word
14815 while (i && src[i] != ' ' && src[i] != '\n')
14821 // word too long? restore i & len before splitting it
14822 if ((old_i-i+clen) >= width)
14829 if (i && src[i-1] == ' ')
14832 if (src[i] != ' ' && src[i] != '\n')
14839 // now append the newline and continuation sequence
14844 strncpy(dest+len, cseq, cseq_len);
14852 dest[len] = src[i];
14856 if (src[i] == '\n')
14861 if (dest && appData.debugMode)
14863 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14864 count, width, line, len, *lp);
14865 show_bytes(debugFP, src, count);
14866 fprintf(debugFP, "\ndest: ");
14867 show_bytes(debugFP, dest, len);
14868 fprintf(debugFP, "\n");
14870 *lp = dest ? line : old_line;
14875 // [HGM] vari: routines for shelving variations
14878 PushTail(int firstMove, int lastMove)
14880 int i, j, nrMoves = lastMove - firstMove;
14882 if(appData.icsActive) { // only in local mode
14883 forwardMostMove = currentMove; // mimic old ICS behavior
14886 if(storedGames >= MAX_VARIATIONS-1) return;
14888 // push current tail of game on stack
14889 savedResult[storedGames] = gameInfo.result;
14890 savedDetails[storedGames] = gameInfo.resultDetails;
14891 gameInfo.resultDetails = NULL;
14892 savedFirst[storedGames] = firstMove;
14893 savedLast [storedGames] = lastMove;
14894 savedFramePtr[storedGames] = framePtr;
14895 framePtr -= nrMoves; // reserve space for the boards
14896 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14897 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14898 for(j=0; j<MOVE_LEN; j++)
14899 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14900 for(j=0; j<2*MOVE_LEN; j++)
14901 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14902 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14903 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14904 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14905 pvInfoList[firstMove+i-1].depth = 0;
14906 commentList[framePtr+i] = commentList[firstMove+i];
14907 commentList[firstMove+i] = NULL;
14911 forwardMostMove = currentMove; // truncte game so we can start variation
14912 if(storedGames == 1) GreyRevert(FALSE);
14916 PopTail(Boolean annotate)
14919 char buf[8000], moveBuf[20];
14921 if(appData.icsActive) return FALSE; // only in local mode
14922 if(!storedGames) return FALSE; // sanity
14925 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14926 nrMoves = savedLast[storedGames] - currentMove;
14929 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14930 else strcpy(buf, "(");
14931 for(i=currentMove; i<forwardMostMove; i++) {
14933 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14934 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14935 strcat(buf, moveBuf);
14936 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14940 for(i=1; i<nrMoves; i++) { // copy last variation back
14941 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14942 for(j=0; j<MOVE_LEN; j++)
14943 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14944 for(j=0; j<2*MOVE_LEN; j++)
14945 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14946 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14947 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14948 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14949 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14950 commentList[currentMove+i] = commentList[framePtr+i];
14951 commentList[framePtr+i] = NULL;
14953 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14954 framePtr = savedFramePtr[storedGames];
14955 gameInfo.result = savedResult[storedGames];
14956 if(gameInfo.resultDetails != NULL) {
14957 free(gameInfo.resultDetails);
14959 gameInfo.resultDetails = savedDetails[storedGames];
14960 forwardMostMove = currentMove + nrMoves;
14961 if(storedGames == 0) GreyRevert(TRUE);
14967 { // remove all shelved variations
14969 for(i=0; i<storedGames; i++) {
14970 if(savedDetails[i])
14971 free(savedDetails[i]);
14972 savedDetails[i] = NULL;
14974 for(i=framePtr; i<MAX_MOVES; i++) {
14975 if(commentList[i]) free(commentList[i]);
14976 commentList[i] = NULL;
14978 framePtr = MAX_MOVES-1;