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) ||
2734 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2735 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2737 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2738 chattingPartner = -1;
2740 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2741 for(p=0; p<MAX_CHAT; p++) {
2742 if(channel == atoi(chatPartner[p])) {
2743 talker[0] = '['; strcat(talker, "] ");
2744 chattingPartner = p; break;
2747 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2748 for(p=0; p<MAX_CHAT; p++) {
2749 if(!strcmp("WHISPER", chatPartner[p])) {
2750 talker[0] = '['; strcat(talker, "] ");
2751 chattingPartner = p; break;
2754 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2755 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2757 chattingPartner = p; break;
2759 if(chattingPartner<0) i = oldi; else {
2760 started = STARTED_COMMENT;
2761 parse_pos = 0; parse[0] = NULLCHAR;
2762 savingComment = 3 + chattingPartner; // counts as TRUE
2763 suppressKibitz = TRUE;
2765 } // [HGM] chat: end of patch
2767 if (appData.zippyTalk || appData.zippyPlay) {
2768 /* [DM] Backup address for color zippy lines */
2772 if (loggedOn == TRUE)
2773 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2774 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2776 if (ZippyControl(buf, &i) ||
2777 ZippyConverse(buf, &i) ||
2778 (appData.zippyPlay && ZippyMatch(buf, &i))) {
2780 if (!appData.colorize) continue;
2784 } // [DM] 'else { ' deleted
2786 /* Regular tells and says */
2787 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2788 looking_at(buf, &i, "* (your partner) tells you: ") ||
2789 looking_at(buf, &i, "* says: ") ||
2790 /* Don't color "message" or "messages" output */
2791 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2792 looking_at(buf, &i, "*. * at *:*: ") ||
2793 looking_at(buf, &i, "--* (*:*): ") ||
2794 /* Message notifications (same color as tells) */
2795 looking_at(buf, &i, "* has left a message ") ||
2796 looking_at(buf, &i, "* just sent you a message:\n") ||
2797 /* Whispers and kibitzes */
2798 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2799 looking_at(buf, &i, "* kibitzes: ") ||
2801 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2803 if (tkind == 1 && strchr(star_match[0], ':')) {
2804 /* Avoid "tells you:" spoofs in channels */
2807 if (star_match[0][0] == NULLCHAR ||
2808 strchr(star_match[0], ' ') ||
2809 (tkind == 3 && strchr(star_match[1], ' '))) {
2810 /* Reject bogus matches */
2813 if (appData.colorize) {
2814 if (oldi > next_out) {
2815 SendToPlayer(&buf[next_out], oldi - next_out);
2820 Colorize(ColorTell, FALSE);
2821 curColor = ColorTell;
2824 Colorize(ColorKibitz, FALSE);
2825 curColor = ColorKibitz;
2828 p = strrchr(star_match[1], '(');
2835 Colorize(ColorChannel1, FALSE);
2836 curColor = ColorChannel1;
2838 Colorize(ColorChannel, FALSE);
2839 curColor = ColorChannel;
2843 curColor = ColorNormal;
2847 if (started == STARTED_NONE && appData.autoComment &&
2848 (gameMode == IcsObserving ||
2849 gameMode == IcsPlayingWhite ||
2850 gameMode == IcsPlayingBlack)) {
2851 parse_pos = i - oldi;
2852 memcpy(parse, &buf[oldi], parse_pos);
2853 parse[parse_pos] = NULLCHAR;
2854 started = STARTED_COMMENT;
2855 savingComment = TRUE;
2857 started = STARTED_CHATTER;
2858 savingComment = FALSE;
2865 if (looking_at(buf, &i, "* s-shouts: ") ||
2866 looking_at(buf, &i, "* c-shouts: ")) {
2867 if (appData.colorize) {
2868 if (oldi > next_out) {
2869 SendToPlayer(&buf[next_out], oldi - next_out);
2872 Colorize(ColorSShout, FALSE);
2873 curColor = ColorSShout;
2876 started = STARTED_CHATTER;
2880 if (looking_at(buf, &i, "--->")) {
2885 if (looking_at(buf, &i, "* shouts: ") ||
2886 looking_at(buf, &i, "--> ")) {
2887 if (appData.colorize) {
2888 if (oldi > next_out) {
2889 SendToPlayer(&buf[next_out], oldi - next_out);
2892 Colorize(ColorShout, FALSE);
2893 curColor = ColorShout;
2896 started = STARTED_CHATTER;
2900 if (looking_at( buf, &i, "Challenge:")) {
2901 if (appData.colorize) {
2902 if (oldi > next_out) {
2903 SendToPlayer(&buf[next_out], oldi - next_out);
2906 Colorize(ColorChallenge, FALSE);
2907 curColor = ColorChallenge;
2913 if (looking_at(buf, &i, "* offers you") ||
2914 looking_at(buf, &i, "* offers to be") ||
2915 looking_at(buf, &i, "* would like to") ||
2916 looking_at(buf, &i, "* requests to") ||
2917 looking_at(buf, &i, "Your opponent offers") ||
2918 looking_at(buf, &i, "Your opponent requests")) {
2920 if (appData.colorize) {
2921 if (oldi > next_out) {
2922 SendToPlayer(&buf[next_out], oldi - next_out);
2925 Colorize(ColorRequest, FALSE);
2926 curColor = ColorRequest;
2931 if (looking_at(buf, &i, "* (*) seeking")) {
2932 if (appData.colorize) {
2933 if (oldi > next_out) {
2934 SendToPlayer(&buf[next_out], oldi - next_out);
2937 Colorize(ColorSeek, FALSE);
2938 curColor = ColorSeek;
2943 if (looking_at(buf, &i, "\\ ")) {
2944 if (prevColor != ColorNormal) {
2945 if (oldi > next_out) {
2946 SendToPlayer(&buf[next_out], oldi - next_out);
2949 Colorize(prevColor, TRUE);
2950 curColor = prevColor;
2952 if (savingComment) {
2953 parse_pos = i - oldi;
2954 memcpy(parse, &buf[oldi], parse_pos);
2955 parse[parse_pos] = NULLCHAR;
2956 started = STARTED_COMMENT;
2957 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
2958 chattingPartner = savingComment - 3; // kludge to remember the box
2960 started = STARTED_CHATTER;
2965 if (looking_at(buf, &i, "Black Strength :") ||
2966 looking_at(buf, &i, "<<< style 10 board >>>") ||
2967 looking_at(buf, &i, "<10>") ||
2968 looking_at(buf, &i, "#@#")) {
2969 /* Wrong board style */
2971 SendToICS(ics_prefix);
2972 SendToICS("set style 12\n");
2973 SendToICS(ics_prefix);
2974 SendToICS("refresh\n");
2978 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
2980 have_sent_ICS_logon = 1;
2984 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
2985 (looking_at(buf, &i, "\n<12> ") ||
2986 looking_at(buf, &i, "<12> "))) {
2988 if (oldi > next_out) {
2989 SendToPlayer(&buf[next_out], oldi - next_out);
2992 started = STARTED_BOARD;
2997 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
2998 looking_at(buf, &i, "<b1> ")) {
2999 if (oldi > next_out) {
3000 SendToPlayer(&buf[next_out], oldi - next_out);
3003 started = STARTED_HOLDINGS;
3008 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3010 /* Header for a move list -- first line */
3012 switch (ics_getting_history) {
3016 case BeginningOfGame:
3017 /* User typed "moves" or "oldmoves" while we
3018 were idle. Pretend we asked for these
3019 moves and soak them up so user can step
3020 through them and/or save them.
3023 gameMode = IcsObserving;
3026 ics_getting_history = H_GOT_UNREQ_HEADER;
3028 case EditGame: /*?*/
3029 case EditPosition: /*?*/
3030 /* Should above feature work in these modes too? */
3031 /* For now it doesn't */
3032 ics_getting_history = H_GOT_UNWANTED_HEADER;
3035 ics_getting_history = H_GOT_UNWANTED_HEADER;
3040 /* Is this the right one? */
3041 if (gameInfo.white && gameInfo.black &&
3042 strcmp(gameInfo.white, star_match[0]) == 0 &&
3043 strcmp(gameInfo.black, star_match[2]) == 0) {
3045 ics_getting_history = H_GOT_REQ_HEADER;
3048 case H_GOT_REQ_HEADER:
3049 case H_GOT_UNREQ_HEADER:
3050 case H_GOT_UNWANTED_HEADER:
3051 case H_GETTING_MOVES:
3052 /* Should not happen */
3053 DisplayError(_("Error gathering move list: two headers"), 0);
3054 ics_getting_history = H_FALSE;
3058 /* Save player ratings into gameInfo if needed */
3059 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3060 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3061 (gameInfo.whiteRating == -1 ||
3062 gameInfo.blackRating == -1)) {
3064 gameInfo.whiteRating = string_to_rating(star_match[1]);
3065 gameInfo.blackRating = string_to_rating(star_match[3]);
3066 if (appData.debugMode)
3067 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3068 gameInfo.whiteRating, gameInfo.blackRating);
3073 if (looking_at(buf, &i,
3074 "* * match, initial time: * minute*, increment: * second")) {
3075 /* Header for a move list -- second line */
3076 /* Initial board will follow if this is a wild game */
3077 if (gameInfo.event != NULL) free(gameInfo.event);
3078 sprintf(str, "ICS %s %s match", star_match[0], star_match[1]);
3079 gameInfo.event = StrSave(str);
3080 /* [HGM] we switched variant. Translate boards if needed. */
3081 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3085 if (looking_at(buf, &i, "Move ")) {
3086 /* Beginning of a move list */
3087 switch (ics_getting_history) {
3089 /* Normally should not happen */
3090 /* Maybe user hit reset while we were parsing */
3093 /* Happens if we are ignoring a move list that is not
3094 * the one we just requested. Common if the user
3095 * tries to observe two games without turning off
3098 case H_GETTING_MOVES:
3099 /* Should not happen */
3100 DisplayError(_("Error gathering move list: nested"), 0);
3101 ics_getting_history = H_FALSE;
3103 case H_GOT_REQ_HEADER:
3104 ics_getting_history = H_GETTING_MOVES;
3105 started = STARTED_MOVES;
3107 if (oldi > next_out) {
3108 SendToPlayer(&buf[next_out], oldi - next_out);
3111 case H_GOT_UNREQ_HEADER:
3112 ics_getting_history = H_GETTING_MOVES;
3113 started = STARTED_MOVES_NOHIDE;
3116 case H_GOT_UNWANTED_HEADER:
3117 ics_getting_history = H_FALSE;
3123 if (looking_at(buf, &i, "% ") ||
3124 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3125 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3126 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3127 soughtPending = FALSE;
3131 if(suppressKibitz) next_out = i;
3132 savingComment = FALSE;
3136 case STARTED_MOVES_NOHIDE:
3137 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3138 parse[parse_pos + i - oldi] = NULLCHAR;
3139 ParseGameHistory(parse);
3141 if (appData.zippyPlay && first.initDone) {
3142 FeedMovesToProgram(&first, forwardMostMove);
3143 if (gameMode == IcsPlayingWhite) {
3144 if (WhiteOnMove(forwardMostMove)) {
3145 if (first.sendTime) {
3146 if (first.useColors) {
3147 SendToProgram("black\n", &first);
3149 SendTimeRemaining(&first, TRUE);
3151 if (first.useColors) {
3152 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3154 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3155 first.maybeThinking = TRUE;
3157 if (first.usePlayother) {
3158 if (first.sendTime) {
3159 SendTimeRemaining(&first, TRUE);
3161 SendToProgram("playother\n", &first);
3167 } else if (gameMode == IcsPlayingBlack) {
3168 if (!WhiteOnMove(forwardMostMove)) {
3169 if (first.sendTime) {
3170 if (first.useColors) {
3171 SendToProgram("white\n", &first);
3173 SendTimeRemaining(&first, FALSE);
3175 if (first.useColors) {
3176 SendToProgram("black\n", &first);
3178 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3179 first.maybeThinking = TRUE;
3181 if (first.usePlayother) {
3182 if (first.sendTime) {
3183 SendTimeRemaining(&first, FALSE);
3185 SendToProgram("playother\n", &first);
3194 if (gameMode == IcsObserving && ics_gamenum == -1) {
3195 /* Moves came from oldmoves or moves command
3196 while we weren't doing anything else.
3198 currentMove = forwardMostMove;
3199 ClearHighlights();/*!!could figure this out*/
3200 flipView = appData.flipView;
3201 DrawPosition(TRUE, boards[currentMove]);
3202 DisplayBothClocks();
3203 sprintf(str, "%s vs. %s",
3204 gameInfo.white, gameInfo.black);
3208 /* Moves were history of an active game */
3209 if (gameInfo.resultDetails != NULL) {
3210 free(gameInfo.resultDetails);
3211 gameInfo.resultDetails = NULL;
3214 HistorySet(parseList, backwardMostMove,
3215 forwardMostMove, currentMove-1);
3216 DisplayMove(currentMove - 1);
3217 if (started == STARTED_MOVES) next_out = i;
3218 started = STARTED_NONE;
3219 ics_getting_history = H_FALSE;
3222 case STARTED_OBSERVE:
3223 started = STARTED_NONE;
3224 SendToICS(ics_prefix);
3225 SendToICS("refresh\n");
3231 if(bookHit) { // [HGM] book: simulate book reply
3232 static char bookMove[MSG_SIZ]; // a bit generous?
3234 programStats.nodes = programStats.depth = programStats.time =
3235 programStats.score = programStats.got_only_move = 0;
3236 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3238 strcpy(bookMove, "move ");
3239 strcat(bookMove, bookHit);
3240 HandleMachineMove(bookMove, &first);
3245 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3246 started == STARTED_HOLDINGS ||
3247 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3248 /* Accumulate characters in move list or board */
3249 parse[parse_pos++] = buf[i];
3252 /* Start of game messages. Mostly we detect start of game
3253 when the first board image arrives. On some versions
3254 of the ICS, though, we need to do a "refresh" after starting
3255 to observe in order to get the current board right away. */
3256 if (looking_at(buf, &i, "Adding game * to observation list")) {
3257 started = STARTED_OBSERVE;
3261 /* Handle auto-observe */
3262 if (appData.autoObserve &&
3263 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3264 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3266 /* Choose the player that was highlighted, if any. */
3267 if (star_match[0][0] == '\033' ||
3268 star_match[1][0] != '\033') {
3269 player = star_match[0];
3271 player = star_match[2];
3273 sprintf(str, "%sobserve %s\n",
3274 ics_prefix, StripHighlightAndTitle(player));
3277 /* Save ratings from notify string */
3278 strcpy(player1Name, star_match[0]);
3279 player1Rating = string_to_rating(star_match[1]);
3280 strcpy(player2Name, star_match[2]);
3281 player2Rating = string_to_rating(star_match[3]);
3283 if (appData.debugMode)
3285 "Ratings from 'Game notification:' %s %d, %s %d\n",
3286 player1Name, player1Rating,
3287 player2Name, player2Rating);
3292 /* Deal with automatic examine mode after a game,
3293 and with IcsObserving -> IcsExamining transition */
3294 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3295 looking_at(buf, &i, "has made you an examiner of game *")) {
3297 int gamenum = atoi(star_match[0]);
3298 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3299 gamenum == ics_gamenum) {
3300 /* We were already playing or observing this game;
3301 no need to refetch history */
3302 gameMode = IcsExamining;
3304 pauseExamForwardMostMove = forwardMostMove;
3305 } else if (currentMove < forwardMostMove) {
3306 ForwardInner(forwardMostMove);
3309 /* I don't think this case really can happen */
3310 SendToICS(ics_prefix);
3311 SendToICS("refresh\n");
3316 /* Error messages */
3317 // if (ics_user_moved) {
3318 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3319 if (looking_at(buf, &i, "Illegal move") ||
3320 looking_at(buf, &i, "Not a legal move") ||
3321 looking_at(buf, &i, "Your king is in check") ||
3322 looking_at(buf, &i, "It isn't your turn") ||
3323 looking_at(buf, &i, "It is not your move")) {
3325 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3326 currentMove = forwardMostMove-1;
3327 DisplayMove(currentMove - 1); /* before DMError */
3328 DrawPosition(FALSE, boards[currentMove]);
3329 SwitchClocks(forwardMostMove-1); // [HGM] race
3330 DisplayBothClocks();
3332 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3338 if (looking_at(buf, &i, "still have time") ||
3339 looking_at(buf, &i, "not out of time") ||
3340 looking_at(buf, &i, "either player is out of time") ||
3341 looking_at(buf, &i, "has timeseal; checking")) {
3342 /* We must have called his flag a little too soon */
3343 whiteFlag = blackFlag = FALSE;
3347 if (looking_at(buf, &i, "added * seconds to") ||
3348 looking_at(buf, &i, "seconds were added to")) {
3349 /* Update the clocks */
3350 SendToICS(ics_prefix);
3351 SendToICS("refresh\n");
3355 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3356 ics_clock_paused = TRUE;
3361 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3362 ics_clock_paused = FALSE;
3367 /* Grab player ratings from the Creating: message.
3368 Note we have to check for the special case when
3369 the ICS inserts things like [white] or [black]. */
3370 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3371 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3373 0 player 1 name (not necessarily white)
3375 2 empty, white, or black (IGNORED)
3376 3 player 2 name (not necessarily black)
3379 The names/ratings are sorted out when the game
3380 actually starts (below).
3382 strcpy(player1Name, StripHighlightAndTitle(star_match[0]));
3383 player1Rating = string_to_rating(star_match[1]);
3384 strcpy(player2Name, StripHighlightAndTitle(star_match[3]));
3385 player2Rating = string_to_rating(star_match[4]);
3387 if (appData.debugMode)
3389 "Ratings from 'Creating:' %s %d, %s %d\n",
3390 player1Name, player1Rating,
3391 player2Name, player2Rating);
3396 /* Improved generic start/end-of-game messages */
3397 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3398 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3399 /* If tkind == 0: */
3400 /* star_match[0] is the game number */
3401 /* [1] is the white player's name */
3402 /* [2] is the black player's name */
3403 /* For end-of-game: */
3404 /* [3] is the reason for the game end */
3405 /* [4] is a PGN end game-token, preceded by " " */
3406 /* For start-of-game: */
3407 /* [3] begins with "Creating" or "Continuing" */
3408 /* [4] is " *" or empty (don't care). */
3409 int gamenum = atoi(star_match[0]);
3410 char *whitename, *blackname, *why, *endtoken;
3411 ChessMove endtype = (ChessMove) 0;
3414 whitename = star_match[1];
3415 blackname = star_match[2];
3416 why = star_match[3];
3417 endtoken = star_match[4];
3419 whitename = star_match[1];
3420 blackname = star_match[3];
3421 why = star_match[5];
3422 endtoken = star_match[6];
3425 /* Game start messages */
3426 if (strncmp(why, "Creating ", 9) == 0 ||
3427 strncmp(why, "Continuing ", 11) == 0) {
3428 gs_gamenum = gamenum;
3429 strcpy(gs_kind, strchr(why, ' ') + 1);
3430 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3432 if (appData.zippyPlay) {
3433 ZippyGameStart(whitename, blackname);
3439 /* Game end messages */
3440 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3441 ics_gamenum != gamenum) {
3444 while (endtoken[0] == ' ') endtoken++;
3445 switch (endtoken[0]) {
3448 endtype = GameUnfinished;
3451 endtype = BlackWins;
3454 if (endtoken[1] == '/')
3455 endtype = GameIsDrawn;
3457 endtype = WhiteWins;
3460 GameEnds(endtype, why, GE_ICS);
3462 if (appData.zippyPlay && first.initDone) {
3463 ZippyGameEnd(endtype, why);
3464 if (first.pr == NULL) {
3465 /* Start the next process early so that we'll
3466 be ready for the next challenge */
3467 StartChessProgram(&first);
3469 /* Send "new" early, in case this command takes
3470 a long time to finish, so that we'll be ready
3471 for the next challenge. */
3472 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3479 if (looking_at(buf, &i, "Removing game * from observation") ||
3480 looking_at(buf, &i, "no longer observing game *") ||
3481 looking_at(buf, &i, "Game * (*) has no examiners")) {
3482 if (gameMode == IcsObserving &&
3483 atoi(star_match[0]) == ics_gamenum)
3485 /* icsEngineAnalyze */
3486 if (appData.icsEngineAnalyze) {
3493 ics_user_moved = FALSE;
3498 if (looking_at(buf, &i, "no longer examining game *")) {
3499 if (gameMode == IcsExamining &&
3500 atoi(star_match[0]) == ics_gamenum)
3504 ics_user_moved = FALSE;
3509 /* Advance leftover_start past any newlines we find,
3510 so only partial lines can get reparsed */
3511 if (looking_at(buf, &i, "\n")) {
3512 prevColor = curColor;
3513 if (curColor != ColorNormal) {
3514 if (oldi > next_out) {
3515 SendToPlayer(&buf[next_out], oldi - next_out);
3518 Colorize(ColorNormal, FALSE);
3519 curColor = ColorNormal;
3521 if (started == STARTED_BOARD) {
3522 started = STARTED_NONE;
3523 parse[parse_pos] = NULLCHAR;
3524 ParseBoard12(parse);
3527 /* Send premove here */
3528 if (appData.premove) {
3530 if (currentMove == 0 &&
3531 gameMode == IcsPlayingWhite &&
3532 appData.premoveWhite) {
3533 sprintf(str, "%s\n", appData.premoveWhiteText);
3534 if (appData.debugMode)
3535 fprintf(debugFP, "Sending premove:\n");
3537 } else if (currentMove == 1 &&
3538 gameMode == IcsPlayingBlack &&
3539 appData.premoveBlack) {
3540 sprintf(str, "%s\n", appData.premoveBlackText);
3541 if (appData.debugMode)
3542 fprintf(debugFP, "Sending premove:\n");
3544 } else if (gotPremove) {
3546 ClearPremoveHighlights();
3547 if (appData.debugMode)
3548 fprintf(debugFP, "Sending premove:\n");
3549 UserMoveEvent(premoveFromX, premoveFromY,
3550 premoveToX, premoveToY,
3555 /* Usually suppress following prompt */
3556 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3557 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3558 if (looking_at(buf, &i, "*% ")) {
3559 savingComment = FALSE;
3564 } else if (started == STARTED_HOLDINGS) {
3566 char new_piece[MSG_SIZ];
3567 started = STARTED_NONE;
3568 parse[parse_pos] = NULLCHAR;
3569 if (appData.debugMode)
3570 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3571 parse, currentMove);
3572 if (sscanf(parse, " game %d", &gamenum) == 1 &&
3573 gamenum == ics_gamenum) {
3574 if (gameInfo.variant == VariantNormal) {
3575 /* [HGM] We seem to switch variant during a game!
3576 * Presumably no holdings were displayed, so we have
3577 * to move the position two files to the right to
3578 * create room for them!
3580 VariantClass newVariant;
3581 switch(gameInfo.boardWidth) { // base guess on board width
3582 case 9: newVariant = VariantShogi; break;
3583 case 10: newVariant = VariantGreat; break;
3584 default: newVariant = VariantCrazyhouse; break;
3586 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3587 /* Get a move list just to see the header, which
3588 will tell us whether this is really bug or zh */
3589 if (ics_getting_history == H_FALSE) {
3590 ics_getting_history = H_REQUESTED;
3591 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3595 new_piece[0] = NULLCHAR;
3596 sscanf(parse, "game %d white [%s black [%s <- %s",
3597 &gamenum, white_holding, black_holding,
3599 white_holding[strlen(white_holding)-1] = NULLCHAR;
3600 black_holding[strlen(black_holding)-1] = NULLCHAR;
3601 /* [HGM] copy holdings to board holdings area */
3602 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3603 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3604 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyHoldings(white_holding, black_holding,
3611 if (tinyLayout || smallLayout) {
3612 char wh[16], bh[16];
3613 PackHolding(wh, white_holding);
3614 PackHolding(bh, black_holding);
3615 sprintf(str, "[%s-%s] %s-%s", wh, bh,
3616 gameInfo.white, gameInfo.black);
3618 sprintf(str, "%s [%s] vs. %s [%s]",
3619 gameInfo.white, white_holding,
3620 gameInfo.black, black_holding);
3623 DrawPosition(FALSE, boards[currentMove]);
3626 /* Suppress following prompt */
3627 if (looking_at(buf, &i, "*% ")) {
3628 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3629 savingComment = FALSE;
3637 i++; /* skip unparsed character and loop back */
3640 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3641 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3642 // SendToPlayer(&buf[next_out], i - next_out);
3643 started != STARTED_HOLDINGS && leftover_start > next_out) {
3644 SendToPlayer(&buf[next_out], leftover_start - next_out);
3648 leftover_len = buf_len - leftover_start;
3649 /* if buffer ends with something we couldn't parse,
3650 reparse it after appending the next read */
3652 } else if (count == 0) {
3653 RemoveInputSource(isr);
3654 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3656 DisplayFatalError(_("Error reading from ICS"), error, 1);
3661 /* Board style 12 looks like this:
3663 <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
3665 * The "<12> " is stripped before it gets to this routine. The two
3666 * trailing 0's (flip state and clock ticking) are later addition, and
3667 * some chess servers may not have them, or may have only the first.
3668 * Additional trailing fields may be added in the future.
3671 #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"
3673 #define RELATION_OBSERVING_PLAYED 0
3674 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3675 #define RELATION_PLAYING_MYMOVE 1
3676 #define RELATION_PLAYING_NOTMYMOVE -1
3677 #define RELATION_EXAMINING 2
3678 #define RELATION_ISOLATED_BOARD -3
3679 #define RELATION_STARTING_POSITION -4 /* FICS only */
3682 ParseBoard12(string)
3685 GameMode newGameMode;
3686 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3687 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3688 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3689 char to_play, board_chars[200];
3690 char move_str[500], str[500], elapsed_time[500];
3691 char black[32], white[32];
3693 int prevMove = currentMove;
3696 int fromX, fromY, toX, toY;
3698 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3699 char *bookHit = NULL; // [HGM] book
3700 Boolean weird = FALSE, reqFlag = FALSE;
3702 fromX = fromY = toX = toY = -1;
3706 if (appData.debugMode)
3707 fprintf(debugFP, _("Parsing board: %s\n"), string);
3709 move_str[0] = NULLCHAR;
3710 elapsed_time[0] = NULLCHAR;
3711 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3713 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3714 if(string[i] == ' ') { ranks++; files = 0; }
3716 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3719 for(j = 0; j <i; j++) board_chars[j] = string[j];
3720 board_chars[i] = '\0';
3723 n = sscanf(string, PATTERN, &to_play, &double_push,
3724 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3725 &gamenum, white, black, &relation, &basetime, &increment,
3726 &white_stren, &black_stren, &white_time, &black_time,
3727 &moveNum, str, elapsed_time, move_str, &ics_flip,
3731 snprintf(str, sizeof(str), _("Failed to parse board string:\n\"%s\""), string);
3732 DisplayError(str, 0);
3736 /* Convert the move number to internal form */
3737 moveNum = (moveNum - 1) * 2;
3738 if (to_play == 'B') moveNum++;
3739 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3740 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3746 case RELATION_OBSERVING_PLAYED:
3747 case RELATION_OBSERVING_STATIC:
3748 if (gamenum == -1) {
3749 /* Old ICC buglet */
3750 relation = RELATION_OBSERVING_STATIC;
3752 newGameMode = IcsObserving;
3754 case RELATION_PLAYING_MYMOVE:
3755 case RELATION_PLAYING_NOTMYMOVE:
3757 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3758 IcsPlayingWhite : IcsPlayingBlack;
3760 case RELATION_EXAMINING:
3761 newGameMode = IcsExamining;
3763 case RELATION_ISOLATED_BOARD:
3765 /* Just display this board. If user was doing something else,
3766 we will forget about it until the next board comes. */
3767 newGameMode = IcsIdle;
3769 case RELATION_STARTING_POSITION:
3770 newGameMode = gameMode;
3774 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3775 && newGameMode == IcsObserving && appData.bgObserve) {
3776 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3778 for (k = 0; k < ranks; k++) {
3779 for (j = 0; j < files; j++)
3780 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3781 if(gameInfo.holdingsWidth > 1) {
3782 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3783 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3786 CopyBoard(partnerBoard, board);
3787 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3788 sprintf(buf, "W: %d:%d B: %d:%d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3789 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3790 DisplayMessage(buf, "");
3794 /* Modify behavior for initial board display on move listing
3797 switch (ics_getting_history) {
3801 case H_GOT_REQ_HEADER:
3802 case H_GOT_UNREQ_HEADER:
3803 /* This is the initial position of the current game */
3804 gamenum = ics_gamenum;
3805 moveNum = 0; /* old ICS bug workaround */
3806 if (to_play == 'B') {
3807 startedFromSetupPosition = TRUE;
3808 blackPlaysFirst = TRUE;
3810 if (forwardMostMove == 0) forwardMostMove = 1;
3811 if (backwardMostMove == 0) backwardMostMove = 1;
3812 if (currentMove == 0) currentMove = 1;
3814 newGameMode = gameMode;
3815 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3817 case H_GOT_UNWANTED_HEADER:
3818 /* This is an initial board that we don't want */
3820 case H_GETTING_MOVES:
3821 /* Should not happen */
3822 DisplayError(_("Error gathering move list: extra board"), 0);
3823 ics_getting_history = H_FALSE;
3827 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3828 weird && (int)gameInfo.variant <= (int)VariantShogi) {
3829 /* [HGM] We seem to have switched variant unexpectedly
3830 * Try to guess new variant from board size
3832 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3833 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3834 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3835 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3836 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3837 if(!weird) newVariant = VariantNormal;
3838 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3839 /* Get a move list just to see the header, which
3840 will tell us whether this is really bug or zh */
3841 if (ics_getting_history == H_FALSE) {
3842 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
3843 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3848 /* Take action if this is the first board of a new game, or of a
3849 different game than is currently being displayed. */
3850 if (gamenum != ics_gamenum || newGameMode != gameMode ||
3851 relation == RELATION_ISOLATED_BOARD) {
3853 /* Forget the old game and get the history (if any) of the new one */
3854 if (gameMode != BeginningOfGame) {
3858 if (appData.autoRaiseBoard) BoardToTop();
3860 if (gamenum == -1) {
3861 newGameMode = IcsIdle;
3862 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
3863 appData.getMoveList && !reqFlag) {
3864 /* Need to get game history */
3865 ics_getting_history = H_REQUESTED;
3866 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
3870 /* Initially flip the board to have black on the bottom if playing
3871 black or if the ICS flip flag is set, but let the user change
3872 it with the Flip View button. */
3873 flipView = appData.autoFlipView ?
3874 (newGameMode == IcsPlayingBlack) || ics_flip :
3877 /* Done with values from previous mode; copy in new ones */
3878 gameMode = newGameMode;
3880 ics_gamenum = gamenum;
3881 if (gamenum == gs_gamenum) {
3882 int klen = strlen(gs_kind);
3883 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
3884 sprintf(str, "ICS %s", gs_kind);
3885 gameInfo.event = StrSave(str);
3887 gameInfo.event = StrSave("ICS game");
3889 gameInfo.site = StrSave(appData.icsHost);
3890 gameInfo.date = PGNDate();
3891 gameInfo.round = StrSave("-");
3892 gameInfo.white = StrSave(white);
3893 gameInfo.black = StrSave(black);
3894 timeControl = basetime * 60 * 1000;
3896 timeIncrement = increment * 1000;
3897 movesPerSession = 0;
3898 gameInfo.timeControl = TimeControlTagValue();
3899 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
3900 if (appData.debugMode) {
3901 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
3902 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
3903 setbuf(debugFP, NULL);
3906 gameInfo.outOfBook = NULL;
3908 /* Do we have the ratings? */
3909 if (strcmp(player1Name, white) == 0 &&
3910 strcmp(player2Name, black) == 0) {
3911 if (appData.debugMode)
3912 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3913 player1Rating, player2Rating);
3914 gameInfo.whiteRating = player1Rating;
3915 gameInfo.blackRating = player2Rating;
3916 } else if (strcmp(player2Name, white) == 0 &&
3917 strcmp(player1Name, black) == 0) {
3918 if (appData.debugMode)
3919 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
3920 player2Rating, player1Rating);
3921 gameInfo.whiteRating = player2Rating;
3922 gameInfo.blackRating = player1Rating;
3924 player1Name[0] = player2Name[0] = NULLCHAR;
3926 /* Silence shouts if requested */
3927 if (appData.quietPlay &&
3928 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
3929 SendToICS(ics_prefix);
3930 SendToICS("set shout 0\n");
3934 /* Deal with midgame name changes */
3936 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
3937 if (gameInfo.white) free(gameInfo.white);
3938 gameInfo.white = StrSave(white);
3940 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
3941 if (gameInfo.black) free(gameInfo.black);
3942 gameInfo.black = StrSave(black);
3946 /* Throw away game result if anything actually changes in examine mode */
3947 if (gameMode == IcsExamining && !newGame) {
3948 gameInfo.result = GameUnfinished;
3949 if (gameInfo.resultDetails != NULL) {
3950 free(gameInfo.resultDetails);
3951 gameInfo.resultDetails = NULL;
3955 /* In pausing && IcsExamining mode, we ignore boards coming
3956 in if they are in a different variation than we are. */
3957 if (pauseExamInvalid) return;
3958 if (pausing && gameMode == IcsExamining) {
3959 if (moveNum <= pauseExamForwardMostMove) {
3960 pauseExamInvalid = TRUE;
3961 forwardMostMove = pauseExamForwardMostMove;
3966 if (appData.debugMode) {
3967 fprintf(debugFP, "load %dx%d board\n", files, ranks);
3969 /* Parse the board */
3970 for (k = 0; k < ranks; k++) {
3971 for (j = 0; j < files; j++)
3972 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3973 if(gameInfo.holdingsWidth > 1) {
3974 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3975 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3978 CopyBoard(boards[moveNum], board);
3979 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
3981 startedFromSetupPosition =
3982 !CompareBoards(board, initialPosition);
3983 if(startedFromSetupPosition)
3984 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
3987 /* [HGM] Set castling rights. Take the outermost Rooks,
3988 to make it also work for FRC opening positions. Note that board12
3989 is really defective for later FRC positions, as it has no way to
3990 indicate which Rook can castle if they are on the same side of King.
3991 For the initial position we grant rights to the outermost Rooks,
3992 and remember thos rights, and we then copy them on positions
3993 later in an FRC game. This means WB might not recognize castlings with
3994 Rooks that have moved back to their original position as illegal,
3995 but in ICS mode that is not its job anyway.
3997 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
3998 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4000 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4001 if(board[0][i] == WhiteRook) j = i;
4002 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4003 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4004 if(board[0][i] == WhiteRook) j = i;
4005 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4006 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4007 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4008 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4009 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4010 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4011 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4013 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4014 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4015 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4016 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4017 if(board[BOARD_HEIGHT-1][k] == bKing)
4018 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4019 if(gameInfo.variant == VariantTwoKings) {
4020 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4021 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4022 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4025 r = boards[moveNum][CASTLING][0] = initialRights[0];
4026 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4027 r = boards[moveNum][CASTLING][1] = initialRights[1];
4028 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4029 r = boards[moveNum][CASTLING][3] = initialRights[3];
4030 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4031 r = boards[moveNum][CASTLING][4] = initialRights[4];
4032 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4033 /* wildcastle kludge: always assume King has rights */
4034 r = boards[moveNum][CASTLING][2] = initialRights[2];
4035 r = boards[moveNum][CASTLING][5] = initialRights[5];
4037 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4038 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4041 if (ics_getting_history == H_GOT_REQ_HEADER ||
4042 ics_getting_history == H_GOT_UNREQ_HEADER) {
4043 /* This was an initial position from a move list, not
4044 the current position */
4048 /* Update currentMove and known move number limits */
4049 newMove = newGame || moveNum > forwardMostMove;
4052 forwardMostMove = backwardMostMove = currentMove = moveNum;
4053 if (gameMode == IcsExamining && moveNum == 0) {
4054 /* Workaround for ICS limitation: we are not told the wild
4055 type when starting to examine a game. But if we ask for
4056 the move list, the move list header will tell us */
4057 ics_getting_history = H_REQUESTED;
4058 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4061 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4062 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4064 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4065 /* [HGM] applied this also to an engine that is silently watching */
4066 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4067 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4068 gameInfo.variant == currentlyInitializedVariant) {
4069 takeback = forwardMostMove - moveNum;
4070 for (i = 0; i < takeback; i++) {
4071 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4072 SendToProgram("undo\n", &first);
4077 forwardMostMove = moveNum;
4078 if (!pausing || currentMove > forwardMostMove)
4079 currentMove = forwardMostMove;
4081 /* New part of history that is not contiguous with old part */
4082 if (pausing && gameMode == IcsExamining) {
4083 pauseExamInvalid = TRUE;
4084 forwardMostMove = pauseExamForwardMostMove;
4087 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4089 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4090 // [HGM] when we will receive the move list we now request, it will be
4091 // fed to the engine from the first move on. So if the engine is not
4092 // in the initial position now, bring it there.
4093 InitChessProgram(&first, 0);
4096 ics_getting_history = H_REQUESTED;
4097 sprintf(str, "%smoves %d\n", ics_prefix, gamenum);
4100 forwardMostMove = backwardMostMove = currentMove = moveNum;
4103 /* Update the clocks */
4104 if (strchr(elapsed_time, '.')) {
4106 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4107 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4109 /* Time is in seconds */
4110 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4111 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4116 if (appData.zippyPlay && newGame &&
4117 gameMode != IcsObserving && gameMode != IcsIdle &&
4118 gameMode != IcsExamining)
4119 ZippyFirstBoard(moveNum, basetime, increment);
4122 /* Put the move on the move list, first converting
4123 to canonical algebraic form. */
4125 if (appData.debugMode) {
4126 if (appData.debugMode) { int f = forwardMostMove;
4127 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4128 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4129 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4131 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4132 fprintf(debugFP, "moveNum = %d\n", moveNum);
4133 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4134 setbuf(debugFP, NULL);
4136 if (moveNum <= backwardMostMove) {
4137 /* We don't know what the board looked like before
4139 strcpy(parseList[moveNum - 1], move_str);
4140 strcat(parseList[moveNum - 1], " ");
4141 strcat(parseList[moveNum - 1], elapsed_time);
4142 moveList[moveNum - 1][0] = NULLCHAR;
4143 } else if (strcmp(move_str, "none") == 0) {
4144 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4145 /* Again, we don't know what the board looked like;
4146 this is really the start of the game. */
4147 parseList[moveNum - 1][0] = NULLCHAR;
4148 moveList[moveNum - 1][0] = NULLCHAR;
4149 backwardMostMove = moveNum;
4150 startedFromSetupPosition = TRUE;
4151 fromX = fromY = toX = toY = -1;
4153 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4154 // So we parse the long-algebraic move string in stead of the SAN move
4155 int valid; char buf[MSG_SIZ], *prom;
4157 // str looks something like "Q/a1-a2"; kill the slash
4159 sprintf(buf, "%c%s", str[0], str+2);
4160 else strcpy(buf, str); // might be castling
4161 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4162 strcat(buf, prom); // long move lacks promo specification!
4163 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4164 if(appData.debugMode)
4165 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4166 strcpy(move_str, buf);
4168 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4169 &fromX, &fromY, &toX, &toY, &promoChar)
4170 || ParseOneMove(buf, moveNum - 1, &moveType,
4171 &fromX, &fromY, &toX, &toY, &promoChar);
4172 // end of long SAN patch
4174 (void) CoordsToAlgebraic(boards[moveNum - 1],
4175 PosFlags(moveNum - 1),
4176 fromY, fromX, toY, toX, promoChar,
4177 parseList[moveNum-1]);
4178 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4184 if(gameInfo.variant != VariantShogi)
4185 strcat(parseList[moveNum - 1], "+");
4188 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4189 strcat(parseList[moveNum - 1], "#");
4192 strcat(parseList[moveNum - 1], " ");
4193 strcat(parseList[moveNum - 1], elapsed_time);
4194 /* currentMoveString is set as a side-effect of ParseOneMove */
4195 strcpy(moveList[moveNum - 1], currentMoveString);
4196 strcat(moveList[moveNum - 1], "\n");
4198 /* Move from ICS was illegal!? Punt. */
4199 if (appData.debugMode) {
4200 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4201 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4203 strcpy(parseList[moveNum - 1], move_str);
4204 strcat(parseList[moveNum - 1], " ");
4205 strcat(parseList[moveNum - 1], elapsed_time);
4206 moveList[moveNum - 1][0] = NULLCHAR;
4207 fromX = fromY = toX = toY = -1;
4210 if (appData.debugMode) {
4211 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4212 setbuf(debugFP, NULL);
4216 /* Send move to chess program (BEFORE animating it). */
4217 if (appData.zippyPlay && !newGame && newMove &&
4218 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4220 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4221 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4222 if (moveList[moveNum - 1][0] == NULLCHAR) {
4223 sprintf(str, _("Couldn't parse move \"%s\" from ICS"),
4225 DisplayError(str, 0);
4227 if (first.sendTime) {
4228 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4230 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4231 if (firstMove && !bookHit) {
4233 if (first.useColors) {
4234 SendToProgram(gameMode == IcsPlayingWhite ?
4236 "black\ngo\n", &first);
4238 SendToProgram("go\n", &first);
4240 first.maybeThinking = TRUE;
4243 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4244 if (moveList[moveNum - 1][0] == NULLCHAR) {
4245 sprintf(str, _("Couldn't parse move \"%s\" from ICS"), move_str);
4246 DisplayError(str, 0);
4248 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4249 SendMoveToProgram(moveNum - 1, &first);
4256 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4257 /* If move comes from a remote source, animate it. If it
4258 isn't remote, it will have already been animated. */
4259 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4260 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4262 if (!pausing && appData.highlightLastMove) {
4263 SetHighlights(fromX, fromY, toX, toY);
4267 /* Start the clocks */
4268 whiteFlag = blackFlag = FALSE;
4269 appData.clockMode = !(basetime == 0 && increment == 0);
4271 ics_clock_paused = TRUE;
4273 } else if (ticking == 1) {
4274 ics_clock_paused = FALSE;
4276 if (gameMode == IcsIdle ||
4277 relation == RELATION_OBSERVING_STATIC ||
4278 relation == RELATION_EXAMINING ||
4280 DisplayBothClocks();
4284 /* Display opponents and material strengths */
4285 if (gameInfo.variant != VariantBughouse &&
4286 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4287 if (tinyLayout || smallLayout) {
4288 if(gameInfo.variant == VariantNormal)
4289 sprintf(str, "%s(%d) %s(%d) {%d %d}",
4290 gameInfo.white, white_stren, gameInfo.black, black_stren,
4291 basetime, increment);
4293 sprintf(str, "%s(%d) %s(%d) {%d %d w%d}",
4294 gameInfo.white, white_stren, gameInfo.black, black_stren,
4295 basetime, increment, (int) gameInfo.variant);
4297 if(gameInfo.variant == VariantNormal)
4298 sprintf(str, "%s (%d) vs. %s (%d) {%d %d}",
4299 gameInfo.white, white_stren, gameInfo.black, black_stren,
4300 basetime, increment);
4302 sprintf(str, "%s (%d) vs. %s (%d) {%d %d %s}",
4303 gameInfo.white, white_stren, gameInfo.black, black_stren,
4304 basetime, increment, VariantName(gameInfo.variant));
4307 if (appData.debugMode) {
4308 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4313 /* Display the board */
4314 if (!pausing && !appData.noGUI) {
4316 if (appData.premove)
4318 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4319 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4320 ClearPremoveHighlights();
4322 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4323 DrawPosition(j, boards[currentMove]);
4325 DisplayMove(moveNum - 1);
4326 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4327 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4328 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4329 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4333 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4335 if(bookHit) { // [HGM] book: simulate book reply
4336 static char bookMove[MSG_SIZ]; // a bit generous?
4338 programStats.nodes = programStats.depth = programStats.time =
4339 programStats.score = programStats.got_only_move = 0;
4340 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4342 strcpy(bookMove, "move ");
4343 strcat(bookMove, bookHit);
4344 HandleMachineMove(bookMove, &first);
4353 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4354 ics_getting_history = H_REQUESTED;
4355 sprintf(buf, "%smoves %d\n", ics_prefix, ics_gamenum);
4361 AnalysisPeriodicEvent(force)
4364 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4365 && !force) || !appData.periodicUpdates)
4368 /* Send . command to Crafty to collect stats */
4369 SendToProgram(".\n", &first);
4371 /* Don't send another until we get a response (this makes
4372 us stop sending to old Crafty's which don't understand
4373 the "." command (sending illegal cmds resets node count & time,
4374 which looks bad)) */
4375 programStats.ok_to_send = 0;
4378 void ics_update_width(new_width)
4381 ics_printf("set width %d\n", new_width);
4385 SendMoveToProgram(moveNum, cps)
4387 ChessProgramState *cps;
4391 if (cps->useUsermove) {
4392 SendToProgram("usermove ", cps);
4396 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4397 int len = space - parseList[moveNum];
4398 memcpy(buf, parseList[moveNum], len);
4400 buf[len] = NULLCHAR;
4402 sprintf(buf, "%s\n", parseList[moveNum]);
4404 SendToProgram(buf, cps);
4406 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4407 AlphaRank(moveList[moveNum], 4);
4408 SendToProgram(moveList[moveNum], cps);
4409 AlphaRank(moveList[moveNum], 4); // and back
4411 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4412 * the engine. It would be nice to have a better way to identify castle
4414 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4415 && cps->useOOCastle) {
4416 int fromX = moveList[moveNum][0] - AAA;
4417 int fromY = moveList[moveNum][1] - ONE;
4418 int toX = moveList[moveNum][2] - AAA;
4419 int toY = moveList[moveNum][3] - ONE;
4420 if((boards[moveNum][fromY][fromX] == WhiteKing
4421 && boards[moveNum][toY][toX] == WhiteRook)
4422 || (boards[moveNum][fromY][fromX] == BlackKing
4423 && boards[moveNum][toY][toX] == BlackRook)) {
4424 if(toX > fromX) SendToProgram("O-O\n", cps);
4425 else SendToProgram("O-O-O\n", cps);
4427 else SendToProgram(moveList[moveNum], cps);
4429 else SendToProgram(moveList[moveNum], cps);
4430 /* End of additions by Tord */
4433 /* [HGM] setting up the opening has brought engine in force mode! */
4434 /* Send 'go' if we are in a mode where machine should play. */
4435 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4436 (gameMode == TwoMachinesPlay ||
4438 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4440 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4441 SendToProgram("go\n", cps);
4442 if (appData.debugMode) {
4443 fprintf(debugFP, "(extra)\n");
4446 setboardSpoiledMachineBlack = 0;
4450 SendMoveToICS(moveType, fromX, fromY, toX, toY)
4452 int fromX, fromY, toX, toY;
4454 char user_move[MSG_SIZ];
4458 sprintf(user_move, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4459 (int)moveType, fromX, fromY, toX, toY);
4460 DisplayError(user_move + strlen("say "), 0);
4462 case WhiteKingSideCastle:
4463 case BlackKingSideCastle:
4464 case WhiteQueenSideCastleWild:
4465 case BlackQueenSideCastleWild:
4467 case WhiteHSideCastleFR:
4468 case BlackHSideCastleFR:
4470 sprintf(user_move, "o-o\n");
4472 case WhiteQueenSideCastle:
4473 case BlackQueenSideCastle:
4474 case WhiteKingSideCastleWild:
4475 case BlackKingSideCastleWild:
4477 case WhiteASideCastleFR:
4478 case BlackASideCastleFR:
4480 sprintf(user_move, "o-o-o\n");
4482 case WhitePromotionQueen:
4483 case BlackPromotionQueen:
4484 case WhitePromotionRook:
4485 case BlackPromotionRook:
4486 case WhitePromotionBishop:
4487 case BlackPromotionBishop:
4488 case WhitePromotionKnight:
4489 case BlackPromotionKnight:
4490 case WhitePromotionKing:
4491 case BlackPromotionKing:
4492 case WhitePromotionChancellor:
4493 case BlackPromotionChancellor:
4494 case WhitePromotionArchbishop:
4495 case BlackPromotionArchbishop:
4496 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4497 sprintf(user_move, "%c%c%c%c=%c\n",
4498 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4499 PieceToChar(WhiteFerz));
4500 else if(gameInfo.variant == VariantGreat)
4501 sprintf(user_move, "%c%c%c%c=%c\n",
4502 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4503 PieceToChar(WhiteMan));
4505 sprintf(user_move, "%c%c%c%c=%c\n",
4506 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4507 PieceToChar(PromoPiece(moveType)));
4511 sprintf(user_move, "%c@%c%c\n",
4512 ToUpper(PieceToChar((ChessSquare) fromX)),
4513 AAA + toX, ONE + toY);
4516 case WhiteCapturesEnPassant:
4517 case BlackCapturesEnPassant:
4518 case IllegalMove: /* could be a variant we don't quite understand */
4519 sprintf(user_move, "%c%c%c%c\n",
4520 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4523 SendToICS(user_move);
4524 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4525 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4529 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4534 if (rf == DROP_RANK) {
4535 sprintf(move, "%c@%c%c\n",
4536 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4538 if (promoChar == 'x' || promoChar == NULLCHAR) {
4539 sprintf(move, "%c%c%c%c\n",
4540 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4542 sprintf(move, "%c%c%c%c%c\n",
4543 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4549 ProcessICSInitScript(f)
4554 while (fgets(buf, MSG_SIZ, f)) {
4555 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4562 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4564 AlphaRank(char *move, int n)
4566 // char *p = move, c; int x, y;
4568 if (appData.debugMode) {
4569 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4573 move[2]>='0' && move[2]<='9' &&
4574 move[3]>='a' && move[3]<='x' ) {
4576 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4577 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4579 if(move[0]>='0' && move[0]<='9' &&
4580 move[1]>='a' && move[1]<='x' &&
4581 move[2]>='0' && move[2]<='9' &&
4582 move[3]>='a' && move[3]<='x' ) {
4583 /* input move, Shogi -> normal */
4584 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4585 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4586 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4587 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4590 move[3]>='0' && move[3]<='9' &&
4591 move[2]>='a' && move[2]<='x' ) {
4593 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4594 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4597 move[0]>='a' && move[0]<='x' &&
4598 move[3]>='0' && move[3]<='9' &&
4599 move[2]>='a' && move[2]<='x' ) {
4600 /* output move, normal -> Shogi */
4601 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4602 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4603 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4604 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4605 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4607 if (appData.debugMode) {
4608 fprintf(debugFP, " out = '%s'\n", move);
4612 /* Parser for moves from gnuchess, ICS, or user typein box */
4614 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4617 ChessMove *moveType;
4618 int *fromX, *fromY, *toX, *toY;
4621 if (appData.debugMode) {
4622 fprintf(debugFP, "move to parse: %s\n", move);
4624 *moveType = yylexstr(moveNum, move);
4626 switch (*moveType) {
4627 case WhitePromotionChancellor:
4628 case BlackPromotionChancellor:
4629 case WhitePromotionArchbishop:
4630 case BlackPromotionArchbishop:
4631 case WhitePromotionQueen:
4632 case BlackPromotionQueen:
4633 case WhitePromotionRook:
4634 case BlackPromotionRook:
4635 case WhitePromotionBishop:
4636 case BlackPromotionBishop:
4637 case WhitePromotionKnight:
4638 case BlackPromotionKnight:
4639 case WhitePromotionKing:
4640 case BlackPromotionKing:
4642 case WhiteCapturesEnPassant:
4643 case BlackCapturesEnPassant:
4644 case WhiteKingSideCastle:
4645 case WhiteQueenSideCastle:
4646 case BlackKingSideCastle:
4647 case BlackQueenSideCastle:
4648 case WhiteKingSideCastleWild:
4649 case WhiteQueenSideCastleWild:
4650 case BlackKingSideCastleWild:
4651 case BlackQueenSideCastleWild:
4652 /* Code added by Tord: */
4653 case WhiteHSideCastleFR:
4654 case WhiteASideCastleFR:
4655 case BlackHSideCastleFR:
4656 case BlackASideCastleFR:
4657 /* End of code added by Tord */
4658 case IllegalMove: /* bug or odd chess variant */
4659 *fromX = currentMoveString[0] - AAA;
4660 *fromY = currentMoveString[1] - ONE;
4661 *toX = currentMoveString[2] - AAA;
4662 *toY = currentMoveString[3] - ONE;
4663 *promoChar = currentMoveString[4];
4664 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4665 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4666 if (appData.debugMode) {
4667 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4669 *fromX = *fromY = *toX = *toY = 0;
4672 if (appData.testLegality) {
4673 return (*moveType != IllegalMove);
4675 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4676 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4681 *fromX = *moveType == WhiteDrop ?
4682 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4683 (int) CharToPiece(ToLower(currentMoveString[0]));
4685 *toX = currentMoveString[2] - AAA;
4686 *toY = currentMoveString[3] - ONE;
4687 *promoChar = NULLCHAR;
4691 case ImpossibleMove:
4692 case (ChessMove) 0: /* end of file */
4701 if (appData.debugMode) {
4702 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4705 *fromX = *fromY = *toX = *toY = 0;
4706 *promoChar = NULLCHAR;
4714 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4715 int fromX, fromY, toX, toY; char promoChar;
4720 endPV = forwardMostMove;
4722 while(*pv == ' ') pv++;
4723 if(*pv == '(') pv++; // first (ponder) move can be in parentheses
4724 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4725 if(appData.debugMode){
4726 fprintf(debugFP,"parsePV: %d %c%c%c%c '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, pv);
4728 if(!valid && nr == 0 &&
4729 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4730 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4732 while(*pv && *pv++ != ' '); // skip what we parsed; assume space separators
4733 if(moveType == Comment) { valid++; continue; } // allow comments in PV
4735 if(endPV+1 > framePtr) break; // no space, truncate
4738 CopyBoard(boards[endPV], boards[endPV-1]);
4739 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4740 moveList[endPV-1][0] = fromX + AAA;
4741 moveList[endPV-1][1] = fromY + ONE;
4742 moveList[endPV-1][2] = toX + AAA;
4743 moveList[endPV-1][3] = toY + ONE;
4744 parseList[endPV-1][0] = NULLCHAR;
4746 currentMove = endPV;
4747 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4748 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4749 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4750 DrawPosition(TRUE, boards[currentMove]);
4753 static int lastX, lastY;
4756 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
4760 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
4761 lastX = x; lastY = y;
4762 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
4764 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
4766 while(buf[index] && buf[index] != '\n') index++;
4768 ParsePV(buf+startPV);
4769 *start = startPV; *end = index-1;
4774 LoadPV(int x, int y)
4775 { // called on right mouse click to load PV
4776 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
4777 lastX = x; lastY = y;
4778 ParsePV(lastPV[which]); // load the PV of the thinking engine in the boards array.
4785 if(endPV < 0) return;
4787 currentMove = forwardMostMove;
4788 ClearPremoveHighlights();
4789 DrawPosition(TRUE, boards[currentMove]);
4793 MovePV(int x, int y, int h)
4794 { // step through PV based on mouse coordinates (called on mouse move)
4795 int margin = h>>3, step = 0;
4797 if(endPV < 0) return;
4798 // we must somehow check if right button is still down (might be released off board!)
4799 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
4800 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
4801 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
4803 lastX = x; lastY = y;
4804 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
4805 currentMove += step;
4806 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
4807 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
4808 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
4809 DrawPosition(FALSE, boards[currentMove]);
4813 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
4814 // All positions will have equal probability, but the current method will not provide a unique
4815 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
4821 int piecesLeft[(int)BlackPawn];
4822 int seed, nrOfShuffles;
4824 void GetPositionNumber()
4825 { // sets global variable seed
4828 seed = appData.defaultFrcPosition;
4829 if(seed < 0) { // randomize based on time for negative FRC position numbers
4830 for(i=0; i<50; i++) seed += random();
4831 seed = random() ^ random() >> 8 ^ random() << 8;
4832 if(seed<0) seed = -seed;
4836 int put(Board board, int pieceType, int rank, int n, int shade)
4837 // put the piece on the (n-1)-th empty squares of the given shade
4841 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
4842 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
4843 board[rank][i] = (ChessSquare) pieceType;
4844 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
4846 piecesLeft[pieceType]--;
4854 void AddOnePiece(Board board, int pieceType, int rank, int shade)
4855 // calculate where the next piece goes, (any empty square), and put it there
4859 i = seed % squaresLeft[shade];
4860 nrOfShuffles *= squaresLeft[shade];
4861 seed /= squaresLeft[shade];
4862 put(board, pieceType, rank, i, shade);
4865 void AddTwoPieces(Board board, int pieceType, int rank)
4866 // calculate where the next 2 identical pieces go, (any empty square), and put it there
4868 int i, n=squaresLeft[ANY], j=n-1, k;
4870 k = n*(n-1)/2; // nr of possibilities, not counting permutations
4871 i = seed % k; // pick one
4874 while(i >= j) i -= j--;
4875 j = n - 1 - j; i += j;
4876 put(board, pieceType, rank, j, ANY);
4877 put(board, pieceType, rank, i, ANY);
4880 void SetUpShuffle(Board board, int number)
4884 GetPositionNumber(); nrOfShuffles = 1;
4886 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
4887 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
4888 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
4890 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
4892 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
4893 p = (int) board[0][i];
4894 if(p < (int) BlackPawn) piecesLeft[p] ++;
4895 board[0][i] = EmptySquare;
4898 if(PosFlags(0) & F_ALL_CASTLE_OK) {
4899 // shuffles restricted to allow normal castling put KRR first
4900 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
4901 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
4902 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
4903 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
4904 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
4905 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
4906 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
4907 put(board, WhiteRook, 0, 0, ANY);
4908 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
4911 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
4912 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
4913 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
4914 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
4915 while(piecesLeft[p] >= 2) {
4916 AddOnePiece(board, p, 0, LITE);
4917 AddOnePiece(board, p, 0, DARK);
4919 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
4922 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
4923 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
4924 // but we leave King and Rooks for last, to possibly obey FRC restriction
4925 if(p == (int)WhiteRook) continue;
4926 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
4927 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
4930 // now everything is placed, except perhaps King (Unicorn) and Rooks
4932 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
4933 // Last King gets castling rights
4934 while(piecesLeft[(int)WhiteUnicorn]) {
4935 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4936 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4939 while(piecesLeft[(int)WhiteKing]) {
4940 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
4941 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
4946 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
4947 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
4950 // Only Rooks can be left; simply place them all
4951 while(piecesLeft[(int)WhiteRook]) {
4952 i = put(board, WhiteRook, 0, 0, ANY);
4953 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
4956 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
4958 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
4961 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
4962 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
4965 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
4968 int SetCharTable( char *table, const char * map )
4969 /* [HGM] moved here from winboard.c because of its general usefulness */
4970 /* Basically a safe strcpy that uses the last character as King */
4972 int result = FALSE; int NrPieces;
4974 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
4975 && NrPieces >= 12 && !(NrPieces&1)) {
4976 int i; /* [HGM] Accept even length from 12 to 34 */
4978 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
4979 for( i=0; i<NrPieces/2-1; i++ ) {
4981 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
4983 table[(int) WhiteKing] = map[NrPieces/2-1];
4984 table[(int) BlackKing] = map[NrPieces-1];
4992 void Prelude(Board board)
4993 { // [HGM] superchess: random selection of exo-pieces
4994 int i, j, k; ChessSquare p;
4995 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
4997 GetPositionNumber(); // use FRC position number
4999 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5000 SetCharTable(pieceToChar, appData.pieceToCharTable);
5001 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5002 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5005 j = seed%4; seed /= 4;
5006 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5007 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5008 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5009 j = seed%3 + (seed%3 >= j); seed /= 3;
5010 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5011 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5012 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5013 j = seed%3; seed /= 3;
5014 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5015 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5016 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5017 j = seed%2 + (seed%2 >= j); seed /= 2;
5018 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5019 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5020 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5021 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5022 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5023 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5024 put(board, exoPieces[0], 0, 0, ANY);
5025 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5029 InitPosition(redraw)
5032 ChessSquare (* pieces)[BOARD_FILES];
5033 int i, j, pawnRow, overrule,
5034 oldx = gameInfo.boardWidth,
5035 oldy = gameInfo.boardHeight,
5036 oldh = gameInfo.holdingsWidth,
5037 oldv = gameInfo.variant;
5039 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5041 /* [AS] Initialize pv info list [HGM] and game status */
5043 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5044 pvInfoList[i].depth = 0;
5045 boards[i][EP_STATUS] = EP_NONE;
5046 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5049 initialRulePlies = 0; /* 50-move counter start */
5051 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5052 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5056 /* [HGM] logic here is completely changed. In stead of full positions */
5057 /* the initialized data only consist of the two backranks. The switch */
5058 /* selects which one we will use, which is than copied to the Board */
5059 /* initialPosition, which for the rest is initialized by Pawns and */
5060 /* empty squares. This initial position is then copied to boards[0], */
5061 /* possibly after shuffling, so that it remains available. */
5063 gameInfo.holdingsWidth = 0; /* default board sizes */
5064 gameInfo.boardWidth = 8;
5065 gameInfo.boardHeight = 8;
5066 gameInfo.holdingsSize = 0;
5067 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5068 for(i=0; i<BOARD_FILES-2; i++)
5069 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5070 initialPosition[EP_STATUS] = EP_NONE;
5071 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5073 switch (gameInfo.variant) {
5074 case VariantFischeRandom:
5075 shuffleOpenings = TRUE;
5079 case VariantShatranj:
5080 pieces = ShatranjArray;
5081 nrCastlingRights = 0;
5082 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5085 pieces = makrukArray;
5086 nrCastlingRights = 0;
5087 startedFromSetupPosition = TRUE;
5088 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5090 case VariantTwoKings:
5091 pieces = twoKingsArray;
5093 case VariantCapaRandom:
5094 shuffleOpenings = TRUE;
5095 case VariantCapablanca:
5096 pieces = CapablancaArray;
5097 gameInfo.boardWidth = 10;
5098 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5101 pieces = GothicArray;
5102 gameInfo.boardWidth = 10;
5103 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5106 pieces = JanusArray;
5107 gameInfo.boardWidth = 10;
5108 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5109 nrCastlingRights = 6;
5110 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5111 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5112 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5113 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5114 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5115 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5118 pieces = FalconArray;
5119 gameInfo.boardWidth = 10;
5120 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5122 case VariantXiangqi:
5123 pieces = XiangqiArray;
5124 gameInfo.boardWidth = 9;
5125 gameInfo.boardHeight = 10;
5126 nrCastlingRights = 0;
5127 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5130 pieces = ShogiArray;
5131 gameInfo.boardWidth = 9;
5132 gameInfo.boardHeight = 9;
5133 gameInfo.holdingsSize = 7;
5134 nrCastlingRights = 0;
5135 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5137 case VariantCourier:
5138 pieces = CourierArray;
5139 gameInfo.boardWidth = 12;
5140 nrCastlingRights = 0;
5141 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5143 case VariantKnightmate:
5144 pieces = KnightmateArray;
5145 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5148 pieces = fairyArray;
5149 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5152 pieces = GreatArray;
5153 gameInfo.boardWidth = 10;
5154 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5155 gameInfo.holdingsSize = 8;
5159 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5160 gameInfo.holdingsSize = 8;
5161 startedFromSetupPosition = TRUE;
5163 case VariantCrazyhouse:
5164 case VariantBughouse:
5166 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5167 gameInfo.holdingsSize = 5;
5169 case VariantWildCastle:
5171 /* !!?shuffle with kings guaranteed to be on d or e file */
5172 shuffleOpenings = 1;
5174 case VariantNoCastle:
5176 nrCastlingRights = 0;
5177 /* !!?unconstrained back-rank shuffle */
5178 shuffleOpenings = 1;
5183 if(appData.NrFiles >= 0) {
5184 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5185 gameInfo.boardWidth = appData.NrFiles;
5187 if(appData.NrRanks >= 0) {
5188 gameInfo.boardHeight = appData.NrRanks;
5190 if(appData.holdingsSize >= 0) {
5191 i = appData.holdingsSize;
5192 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5193 gameInfo.holdingsSize = i;
5195 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5196 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5197 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5199 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5200 if(pawnRow < 1) pawnRow = 1;
5201 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5203 /* User pieceToChar list overrules defaults */
5204 if(appData.pieceToCharTable != NULL)
5205 SetCharTable(pieceToChar, appData.pieceToCharTable);
5207 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5209 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5210 s = (ChessSquare) 0; /* account holding counts in guard band */
5211 for( i=0; i<BOARD_HEIGHT; i++ )
5212 initialPosition[i][j] = s;
5214 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5215 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5216 initialPosition[pawnRow][j] = WhitePawn;
5217 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5218 if(gameInfo.variant == VariantXiangqi) {
5220 initialPosition[pawnRow][j] =
5221 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5222 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5223 initialPosition[2][j] = WhiteCannon;
5224 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5228 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5230 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5233 initialPosition[1][j] = WhiteBishop;
5234 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5236 initialPosition[1][j] = WhiteRook;
5237 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5240 if( nrCastlingRights == -1) {
5241 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5242 /* This sets default castling rights from none to normal corners */
5243 /* Variants with other castling rights must set them themselves above */
5244 nrCastlingRights = 6;
5246 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5247 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5248 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5249 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5250 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5251 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5254 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5255 if(gameInfo.variant == VariantGreat) { // promotion commoners
5256 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5257 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5258 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5259 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5261 if (appData.debugMode) {
5262 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5264 if(shuffleOpenings) {
5265 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5266 startedFromSetupPosition = TRUE;
5268 if(startedFromPositionFile) {
5269 /* [HGM] loadPos: use PositionFile for every new game */
5270 CopyBoard(initialPosition, filePosition);
5271 for(i=0; i<nrCastlingRights; i++)
5272 initialRights[i] = filePosition[CASTLING][i];
5273 startedFromSetupPosition = TRUE;
5276 CopyBoard(boards[0], initialPosition);
5278 if(oldx != gameInfo.boardWidth ||
5279 oldy != gameInfo.boardHeight ||
5280 oldh != gameInfo.holdingsWidth
5282 || oldv == VariantGothic || // For licensing popups
5283 gameInfo.variant == VariantGothic
5286 || oldv == VariantFalcon ||
5287 gameInfo.variant == VariantFalcon
5290 InitDrawingSizes(-2 ,0);
5293 DrawPosition(TRUE, boards[currentMove]);
5297 SendBoard(cps, moveNum)
5298 ChessProgramState *cps;
5301 char message[MSG_SIZ];
5303 if (cps->useSetboard) {
5304 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5305 sprintf(message, "setboard %s\n", fen);
5306 SendToProgram(message, cps);
5312 /* Kludge to set black to move, avoiding the troublesome and now
5313 * deprecated "black" command.
5315 if (!WhiteOnMove(moveNum)) SendToProgram("a2a3\n", cps);
5317 SendToProgram("edit\n", cps);
5318 SendToProgram("#\n", cps);
5319 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5320 bp = &boards[moveNum][i][BOARD_LEFT];
5321 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5322 if ((int) *bp < (int) BlackPawn) {
5323 sprintf(message, "%c%c%c\n", PieceToChar(*bp),
5325 if(message[0] == '+' || message[0] == '~') {
5326 sprintf(message, "%c%c%c+\n",
5327 PieceToChar((ChessSquare)(DEMOTED *bp)),
5330 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5331 message[1] = BOARD_RGHT - 1 - j + '1';
5332 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5334 SendToProgram(message, cps);
5339 SendToProgram("c\n", cps);
5340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5341 bp = &boards[moveNum][i][BOARD_LEFT];
5342 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5343 if (((int) *bp != (int) EmptySquare)
5344 && ((int) *bp >= (int) BlackPawn)) {
5345 sprintf(message, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5347 if(message[0] == '+' || message[0] == '~') {
5348 sprintf(message, "%c%c%c+\n",
5349 PieceToChar((ChessSquare)(DEMOTED *bp)),
5352 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5353 message[1] = BOARD_RGHT - 1 - j + '1';
5354 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5356 SendToProgram(message, cps);
5361 SendToProgram(".\n", cps);
5363 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5366 static int autoQueen; // [HGM] oneclick
5369 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5371 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5372 /* [HGM] add Shogi promotions */
5373 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5378 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5379 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5381 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5382 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5385 piece = boards[currentMove][fromY][fromX];
5386 if(gameInfo.variant == VariantShogi) {
5387 promotionZoneSize = 3;
5388 highestPromotingPiece = (int)WhiteFerz;
5389 } else if(gameInfo.variant == VariantMakruk) {
5390 promotionZoneSize = 3;
5393 // next weed out all moves that do not touch the promotion zone at all
5394 if((int)piece >= BlackPawn) {
5395 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5397 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5399 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5400 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5403 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5405 // weed out mandatory Shogi promotions
5406 if(gameInfo.variant == VariantShogi) {
5407 if(piece >= BlackPawn) {
5408 if(toY == 0 && piece == BlackPawn ||
5409 toY == 0 && piece == BlackQueen ||
5410 toY <= 1 && piece == BlackKnight) {
5415 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5416 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5417 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5424 // weed out obviously illegal Pawn moves
5425 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5426 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5427 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5428 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5429 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5430 // note we are not allowed to test for valid (non-)capture, due to premove
5433 // we either have a choice what to promote to, or (in Shogi) whether to promote
5434 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5435 *promoChoice = PieceToChar(BlackFerz); // no choice
5438 if(autoQueen) { // predetermined
5439 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5440 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5441 else *promoChoice = PieceToChar(BlackQueen);
5445 // suppress promotion popup on illegal moves that are not premoves
5446 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5447 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5448 if(appData.testLegality && !premove) {
5449 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5450 fromY, fromX, toY, toX, NULLCHAR);
5451 if(moveType != WhitePromotionQueen && moveType != BlackPromotionQueen &&
5452 moveType != WhitePromotionKnight && moveType != BlackPromotionKnight)
5460 InPalace(row, column)
5462 { /* [HGM] for Xiangqi */
5463 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5464 column < (BOARD_WIDTH + 4)/2 &&
5465 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5470 PieceForSquare (x, y)
5474 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5477 return boards[currentMove][y][x];
5481 OKToStartUserMove(x, y)
5484 ChessSquare from_piece;
5487 if (matchMode) return FALSE;
5488 if (gameMode == EditPosition) return TRUE;
5490 if (x >= 0 && y >= 0)
5491 from_piece = boards[currentMove][y][x];
5493 from_piece = EmptySquare;
5495 if (from_piece == EmptySquare) return FALSE;
5497 white_piece = (int)from_piece >= (int)WhitePawn &&
5498 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5501 case PlayFromGameFile:
5503 case TwoMachinesPlay:
5511 case MachinePlaysWhite:
5512 case IcsPlayingBlack:
5513 if (appData.zippyPlay) return FALSE;
5515 DisplayMoveError(_("You are playing Black"));
5520 case MachinePlaysBlack:
5521 case IcsPlayingWhite:
5522 if (appData.zippyPlay) return FALSE;
5524 DisplayMoveError(_("You are playing White"));
5530 if (!white_piece && WhiteOnMove(currentMove)) {
5531 DisplayMoveError(_("It is White's turn"));
5534 if (white_piece && !WhiteOnMove(currentMove)) {
5535 DisplayMoveError(_("It is Black's turn"));
5538 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5539 /* Editing correspondence game history */
5540 /* Could disallow this or prompt for confirmation */
5545 case BeginningOfGame:
5546 if (appData.icsActive) return FALSE;
5547 if (!appData.noChessProgram) {
5549 DisplayMoveError(_("You are playing White"));
5556 if (!white_piece && WhiteOnMove(currentMove)) {
5557 DisplayMoveError(_("It is White's turn"));
5560 if (white_piece && !WhiteOnMove(currentMove)) {
5561 DisplayMoveError(_("It is Black's turn"));
5570 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5571 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5572 && gameMode != AnalyzeFile && gameMode != Training) {
5573 DisplayMoveError(_("Displayed position is not current"));
5580 OnlyMove(int *x, int *y, Boolean captures) {
5581 DisambiguateClosure cl;
5582 if (appData.zippyPlay) return FALSE;
5584 case MachinePlaysBlack:
5585 case IcsPlayingWhite:
5586 case BeginningOfGame:
5587 if(!WhiteOnMove(currentMove)) return FALSE;
5589 case MachinePlaysWhite:
5590 case IcsPlayingBlack:
5591 if(WhiteOnMove(currentMove)) return FALSE;
5596 cl.pieceIn = EmptySquare;
5601 cl.promoCharIn = NULLCHAR;
5602 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5603 if( cl.kind == NormalMove ||
5604 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5605 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5606 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5607 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5614 if(cl.kind != ImpossibleMove) return FALSE;
5615 cl.pieceIn = EmptySquare;
5620 cl.promoCharIn = NULLCHAR;
5621 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5622 if( cl.kind == NormalMove ||
5623 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5624 cl.kind == WhitePromotionQueen || cl.kind == BlackPromotionQueen ||
5625 cl.kind == WhitePromotionKnight || cl.kind == BlackPromotionKnight ||
5626 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5631 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5637 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5638 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5639 int lastLoadGameUseList = FALSE;
5640 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5641 ChessMove lastLoadGameStart = (ChessMove) 0;
5644 UserMoveTest(fromX, fromY, toX, toY, promoChar, captureOwn)
5645 int fromX, fromY, toX, toY;
5650 ChessSquare pdown, pup;
5652 /* Check if the user is playing in turn. This is complicated because we
5653 let the user "pick up" a piece before it is his turn. So the piece he
5654 tried to pick up may have been captured by the time he puts it down!
5655 Therefore we use the color the user is supposed to be playing in this
5656 test, not the color of the piece that is currently on the starting
5657 square---except in EditGame mode, where the user is playing both
5658 sides; fortunately there the capture race can't happen. (It can
5659 now happen in IcsExamining mode, but that's just too bad. The user
5660 will get a somewhat confusing message in that case.)
5664 case PlayFromGameFile:
5666 case TwoMachinesPlay:
5670 /* We switched into a game mode where moves are not accepted,
5671 perhaps while the mouse button was down. */
5672 return ImpossibleMove;
5674 case MachinePlaysWhite:
5675 /* User is moving for Black */
5676 if (WhiteOnMove(currentMove)) {
5677 DisplayMoveError(_("It is White's turn"));
5678 return ImpossibleMove;
5682 case MachinePlaysBlack:
5683 /* User is moving for White */
5684 if (!WhiteOnMove(currentMove)) {
5685 DisplayMoveError(_("It is Black's turn"));
5686 return ImpossibleMove;
5692 case BeginningOfGame:
5695 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5696 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5697 /* User is moving for Black */
5698 if (WhiteOnMove(currentMove)) {
5699 DisplayMoveError(_("It is White's turn"));
5700 return ImpossibleMove;
5703 /* User is moving for White */
5704 if (!WhiteOnMove(currentMove)) {
5705 DisplayMoveError(_("It is Black's turn"));
5706 return ImpossibleMove;
5711 case IcsPlayingBlack:
5712 /* User is moving for Black */
5713 if (WhiteOnMove(currentMove)) {
5714 if (!appData.premove) {
5715 DisplayMoveError(_("It is White's turn"));
5716 } else if (toX >= 0 && toY >= 0) {
5719 premoveFromX = fromX;
5720 premoveFromY = fromY;
5721 premovePromoChar = promoChar;
5723 if (appData.debugMode)
5724 fprintf(debugFP, "Got premove: fromX %d,"
5725 "fromY %d, toX %d, toY %d\n",
5726 fromX, fromY, toX, toY);
5728 return ImpossibleMove;
5732 case IcsPlayingWhite:
5733 /* User is moving for White */
5734 if (!WhiteOnMove(currentMove)) {
5735 if (!appData.premove) {
5736 DisplayMoveError(_("It is Black's turn"));
5737 } else if (toX >= 0 && toY >= 0) {
5740 premoveFromX = fromX;
5741 premoveFromY = fromY;
5742 premovePromoChar = promoChar;
5744 if (appData.debugMode)
5745 fprintf(debugFP, "Got premove: fromX %d,"
5746 "fromY %d, toX %d, toY %d\n",
5747 fromX, fromY, toX, toY);
5749 return ImpossibleMove;
5757 /* EditPosition, empty square, or different color piece;
5758 click-click move is possible */
5759 if (toX == -2 || toY == -2) {
5760 boards[0][fromY][fromX] = EmptySquare;
5761 return AmbiguousMove;
5762 } else if (toX >= 0 && toY >= 0) {
5763 boards[0][toY][toX] = boards[0][fromY][fromX];
5764 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
5765 if(boards[0][fromY][0] != EmptySquare) {
5766 if(boards[0][fromY][1]) boards[0][fromY][1]--;
5767 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
5770 if(fromX == BOARD_RGHT+1) {
5771 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
5772 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
5773 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
5776 boards[0][fromY][fromX] = EmptySquare;
5777 return AmbiguousMove;
5779 return ImpossibleMove;
5782 if(toX < 0 || toY < 0) return ImpossibleMove;
5783 pdown = boards[currentMove][fromY][fromX];
5784 pup = boards[currentMove][toY][toX];
5786 /* [HGM] If move started in holdings, it means a drop */
5787 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
5788 if( pup != EmptySquare ) return ImpossibleMove;
5789 if(appData.testLegality) {
5790 /* it would be more logical if LegalityTest() also figured out
5791 * which drops are legal. For now we forbid pawns on back rank.
5792 * Shogi is on its own here...
5794 if( (pdown == WhitePawn || pdown == BlackPawn) &&
5795 (toY == 0 || toY == BOARD_HEIGHT -1 ) )
5796 return(ImpossibleMove); /* no pawn drops on 1st/8th */
5798 return WhiteDrop; /* Not needed to specify white or black yet */
5801 /* [HGM] always test for legality, to get promotion info */
5802 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5803 fromY, fromX, toY, toX, promoChar);
5804 /* [HGM] but possibly ignore an IllegalMove result */
5805 if (appData.testLegality) {
5806 if (moveType == IllegalMove || moveType == ImpossibleMove) {
5807 DisplayMoveError(_("Illegal move"));
5808 return ImpossibleMove;
5813 /* [HGM] <popupFix> in stead of calling FinishMove directly, this
5814 function is made into one that returns an OK move type if FinishMove
5815 should be called. This to give the calling driver routine the
5816 opportunity to finish the userMove input with a promotion popup,
5817 without bothering the user with this for invalid or illegal moves */
5819 /* FinishMove(moveType, fromX, fromY, toX, toY, promoChar); */
5822 /* Common tail of UserMoveEvent and DropMenuEvent */
5824 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
5826 int fromX, fromY, toX, toY;
5827 /*char*/int promoChar;
5831 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
5832 // [HGM] superchess: suppress promotions to non-available piece
5833 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
5834 if(WhiteOnMove(currentMove)) {
5835 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
5837 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
5841 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
5842 move type in caller when we know the move is a legal promotion */
5843 if(moveType == NormalMove && promoChar)
5844 moveType = PromoCharToMoveType(WhiteOnMove(currentMove), promoChar);
5846 /* [HGM] convert drag-and-drop piece drops to standard form */
5847 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ){
5848 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
5849 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
5850 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
5851 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
5852 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
5853 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
5854 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
5858 /* [HGM] <popupFix> The following if has been moved here from
5859 UserMoveEvent(). Because it seemed to belong here (why not allow
5860 piece drops in training games?), and because it can only be
5861 performed after it is known to what we promote. */
5862 if (gameMode == Training) {
5863 /* compare the move played on the board to the next move in the
5864 * game. If they match, display the move and the opponent's response.
5865 * If they don't match, display an error message.
5869 CopyBoard(testBoard, boards[currentMove]);
5870 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
5872 if (CompareBoards(testBoard, boards[currentMove+1])) {
5873 ForwardInner(currentMove+1);
5875 /* Autoplay the opponent's response.
5876 * if appData.animate was TRUE when Training mode was entered,
5877 * the response will be animated.
5879 saveAnimate = appData.animate;
5880 appData.animate = animateTraining;
5881 ForwardInner(currentMove+1);
5882 appData.animate = saveAnimate;
5884 /* check for the end of the game */
5885 if (currentMove >= forwardMostMove) {
5886 gameMode = PlayFromGameFile;
5888 SetTrainingModeOff();
5889 DisplayInformation(_("End of game"));
5892 DisplayError(_("Incorrect move"), 0);
5897 /* Ok, now we know that the move is good, so we can kill
5898 the previous line in Analysis Mode */
5899 if ((gameMode == AnalyzeMode || gameMode == EditGame)
5900 && currentMove < forwardMostMove) {
5901 PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
5904 /* If we need the chess program but it's dead, restart it */
5905 ResurrectChessProgram();
5907 /* A user move restarts a paused game*/
5911 thinkOutput[0] = NULLCHAR;
5913 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
5915 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
5917 if (gameMode == BeginningOfGame) {
5918 if (appData.noChessProgram) {
5919 gameMode = EditGame;
5923 gameMode = MachinePlaysBlack;
5926 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
5928 if (first.sendName) {
5929 sprintf(buf, "name %s\n", gameInfo.white);
5930 SendToProgram(buf, &first);
5937 /* Relay move to ICS or chess engine */
5938 if (appData.icsActive) {
5939 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
5940 gameMode == IcsExamining) {
5941 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
5942 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
5944 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5946 // also send plain move, in case ICS does not understand atomic claims
5947 SendMoveToICS(moveType, fromX, fromY, toX, toY);
5951 if (first.sendTime && (gameMode == BeginningOfGame ||
5952 gameMode == MachinePlaysWhite ||
5953 gameMode == MachinePlaysBlack)) {
5954 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
5956 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
5957 // [HGM] book: if program might be playing, let it use book
5958 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
5959 first.maybeThinking = TRUE;
5960 } else SendMoveToProgram(forwardMostMove-1, &first);
5961 if (currentMove == cmailOldMove + 1) {
5962 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
5966 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
5970 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
5976 if (WhiteOnMove(currentMove)) {
5977 GameEnds(BlackWins, "Black mates", GE_PLAYER);
5979 GameEnds(WhiteWins, "White mates", GE_PLAYER);
5983 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
5988 case MachinePlaysBlack:
5989 case MachinePlaysWhite:
5990 /* disable certain menu options while machine is thinking */
5991 SetMachineThinkingEnables();
5998 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6000 if(bookHit) { // [HGM] book: simulate book reply
6001 static char bookMove[MSG_SIZ]; // a bit generous?
6003 programStats.nodes = programStats.depth = programStats.time =
6004 programStats.score = programStats.got_only_move = 0;
6005 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6007 strcpy(bookMove, "move ");
6008 strcat(bookMove, bookHit);
6009 HandleMachineMove(bookMove, &first);
6015 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6016 int fromX, fromY, toX, toY;
6019 /* [HGM] This routine was added to allow calling of its two logical
6020 parts from other modules in the old way. Before, UserMoveEvent()
6021 automatically called FinishMove() if the move was OK, and returned
6022 otherwise. I separated the two, in order to make it possible to
6023 slip a promotion popup in between. But that it always needs two
6024 calls, to the first part, (now called UserMoveTest() ), and to
6025 FinishMove if the first part succeeded. Calls that do not need
6026 to do anything in between, can call this routine the old way.
6028 ChessMove moveType = UserMoveTest(fromX, fromY, toX, toY, promoChar, FALSE);
6029 if(appData.debugMode) fprintf(debugFP, "moveType 4 = %d, promochar = %x\n", moveType, promoChar);
6030 if(moveType == AmbiguousMove)
6031 DrawPosition(FALSE, boards[currentMove]);
6032 else if(moveType != ImpossibleMove && moveType != Comment)
6033 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6037 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6044 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6045 Markers *m = (Markers *) closure;
6046 if(rf == fromY && ff == fromX)
6047 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6048 || kind == WhiteCapturesEnPassant
6049 || kind == BlackCapturesEnPassant);
6050 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6054 MarkTargetSquares(int clear)
6057 if(!appData.markers || !appData.highlightDragging ||
6058 !appData.testLegality || gameMode == EditPosition) return;
6060 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6063 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6064 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6065 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6067 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6070 DrawPosition(TRUE, NULL);
6073 void LeftClick(ClickType clickType, int xPix, int yPix)
6076 Boolean saveAnimate;
6077 static int second = 0, promotionChoice = 0;
6078 char promoChoice = NULLCHAR;
6080 if(appData.seekGraph && appData.icsActive && loggedOn &&
6081 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6082 SeekGraphClick(clickType, xPix, yPix, 0);
6086 if (clickType == Press) ErrorPopDown();
6087 MarkTargetSquares(1);
6089 x = EventToSquare(xPix, BOARD_WIDTH);
6090 y = EventToSquare(yPix, BOARD_HEIGHT);
6091 if (!flipView && y >= 0) {
6092 y = BOARD_HEIGHT - 1 - y;
6094 if (flipView && x >= 0) {
6095 x = BOARD_WIDTH - 1 - x;
6098 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6099 if(clickType == Release) return; // ignore upclick of click-click destination
6100 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6101 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6102 if(gameInfo.holdingsWidth &&
6103 (WhiteOnMove(currentMove)
6104 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6105 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6106 // click in right holdings, for determining promotion piece
6107 ChessSquare p = boards[currentMove][y][x];
6108 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6109 if(p != EmptySquare) {
6110 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6115 DrawPosition(FALSE, boards[currentMove]);
6119 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6120 if(clickType == Press
6121 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6122 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6123 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6126 autoQueen = appData.alwaysPromoteToQueen;
6129 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6130 if (clickType == Press) {
6132 if (OKToStartUserMove(x, y)) {
6136 MarkTargetSquares(0);
6137 DragPieceBegin(xPix, yPix);
6138 if (appData.highlightDragging) {
6139 SetHighlights(x, y, -1, -1);
6148 if (clickType == Press && gameMode != EditPosition) {
6153 // ignore off-board to clicks
6154 if(y < 0 || x < 0) return;
6156 /* Check if clicking again on the same color piece */
6157 fromP = boards[currentMove][fromY][fromX];
6158 toP = boards[currentMove][y][x];
6159 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom;
6160 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6161 WhitePawn <= toP && toP <= WhiteKing &&
6162 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6163 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6164 (BlackPawn <= fromP && fromP <= BlackKing &&
6165 BlackPawn <= toP && toP <= BlackKing &&
6166 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6167 !(fromP == BlackKing && toP == BlackRook && frc))) {
6168 /* Clicked again on same color piece -- changed his mind */
6169 second = (x == fromX && y == fromY);
6170 if(!second || !OnlyMove(&x, &y, TRUE)) {
6171 if (appData.highlightDragging) {
6172 SetHighlights(x, y, -1, -1);
6176 if (OKToStartUserMove(x, y)) {
6179 MarkTargetSquares(0);
6180 DragPieceBegin(xPix, yPix);
6185 // ignore clicks on holdings
6186 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6189 if (clickType == Release && x == fromX && y == fromY) {
6190 DragPieceEnd(xPix, yPix);
6191 if (appData.animateDragging) {
6192 /* Undo animation damage if any */
6193 DrawPosition(FALSE, NULL);
6196 /* Second up/down in same square; just abort move */
6201 ClearPremoveHighlights();
6203 /* First upclick in same square; start click-click mode */
6204 SetHighlights(x, y, -1, -1);
6209 /* we now have a different from- and (possibly off-board) to-square */
6210 /* Completed move */
6213 saveAnimate = appData.animate;
6214 if (clickType == Press) {
6215 /* Finish clickclick move */
6216 if (appData.animate || appData.highlightLastMove) {
6217 SetHighlights(fromX, fromY, toX, toY);
6222 /* Finish drag move */
6223 if (appData.highlightLastMove) {
6224 SetHighlights(fromX, fromY, toX, toY);
6228 DragPieceEnd(xPix, yPix);
6229 /* Don't animate move and drag both */
6230 appData.animate = FALSE;
6233 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6234 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6235 ChessSquare piece = boards[currentMove][fromY][fromX];
6236 if(gameMode == EditPosition && piece != EmptySquare &&
6237 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6240 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6241 n = PieceToNumber(piece - (int)BlackPawn);
6242 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6243 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6244 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6246 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6247 n = PieceToNumber(piece);
6248 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6249 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6250 boards[currentMove][n][BOARD_WIDTH-2]++;
6252 boards[currentMove][fromY][fromX] = EmptySquare;
6256 DrawPosition(TRUE, boards[currentMove]);
6260 // off-board moves should not be highlighted
6261 if(x < 0 || x < 0) ClearHighlights();
6263 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6264 SetHighlights(fromX, fromY, toX, toY);
6265 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6266 // [HGM] super: promotion to captured piece selected from holdings
6267 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6268 promotionChoice = TRUE;
6269 // kludge follows to temporarily execute move on display, without promoting yet
6270 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6271 boards[currentMove][toY][toX] = p;
6272 DrawPosition(FALSE, boards[currentMove]);
6273 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6274 boards[currentMove][toY][toX] = q;
6275 DisplayMessage("Click in holdings to choose piece", "");
6280 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6281 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6282 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6285 appData.animate = saveAnimate;
6286 if (appData.animate || appData.animateDragging) {
6287 /* Undo animation damage if needed */
6288 DrawPosition(FALSE, NULL);
6292 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6293 { // front-end-free part taken out of PieceMenuPopup
6294 int whichMenu; int xSqr, ySqr;
6296 if(seekGraphUp) { // [HGM] seekgraph
6297 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6298 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6302 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6303 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6304 if(action == Press) { flipView = !flipView; DrawPosition(TRUE, partnerBoard); partnerUp = TRUE; } else
6305 if(action == Release) { flipView = !flipView; DrawPosition(TRUE, boards[currentMove]); partnerUp = FALSE; }
6309 xSqr = EventToSquare(x, BOARD_WIDTH);
6310 ySqr = EventToSquare(y, BOARD_HEIGHT);
6311 if (action == Release) UnLoadPV(); // [HGM] pv
6312 if (action != Press) return -2; // return code to be ignored
6315 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6317 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6318 if (xSqr < 0 || ySqr < 0) return -1;
\r
6319 whichMenu = 0; // edit-position menu
6322 if(!appData.icsEngineAnalyze) return -1;
6323 case IcsPlayingWhite:
6324 case IcsPlayingBlack:
6325 if(!appData.zippyPlay) goto noZip;
6328 case MachinePlaysWhite:
6329 case MachinePlaysBlack:
6330 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6331 if (!appData.dropMenu) {
6333 return 2; // flag front-end to grab mouse events
6335 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6336 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6339 if (xSqr < 0 || ySqr < 0) return -1;
6340 if (!appData.dropMenu || appData.testLegality &&
6341 gameInfo.variant != VariantBughouse &&
6342 gameInfo.variant != VariantCrazyhouse) return -1;
6343 whichMenu = 1; // drop menu
6349 if (((*fromX = xSqr) < 0) ||
6350 ((*fromY = ySqr) < 0)) {
6351 *fromX = *fromY = -1;
6355 *fromX = BOARD_WIDTH - 1 - *fromX;
6357 *fromY = BOARD_HEIGHT - 1 - *fromY;
6362 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6364 // char * hint = lastHint;
6365 FrontEndProgramStats stats;
6367 stats.which = cps == &first ? 0 : 1;
6368 stats.depth = cpstats->depth;
6369 stats.nodes = cpstats->nodes;
6370 stats.score = cpstats->score;
6371 stats.time = cpstats->time;
6372 stats.pv = cpstats->movelist;
6373 stats.hint = lastHint;
6374 stats.an_move_index = 0;
6375 stats.an_move_count = 0;
6377 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6378 stats.hint = cpstats->move_name;
6379 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6380 stats.an_move_count = cpstats->nr_moves;
6383 if(stats.pv && stats.pv[0]) strcpy(lastPV[stats.which], stats.pv); // [HGM] pv: remember last PV of each
6385 SetProgramStats( &stats );
6389 Adjudicate(ChessProgramState *cps)
6390 { // [HGM] some adjudications useful with buggy engines
6391 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6392 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6393 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6394 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6395 int k, count = 0; static int bare = 1;
6396 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6397 Boolean canAdjudicate = !appData.icsActive;
6399 // most tests only when we understand the game, i.e. legality-checking on, and (for the time being) no piece drops
6400 if(gameInfo.holdingsSize == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6401 if( appData.testLegality )
6402 { /* [HGM] Some more adjudications for obstinate engines */
6403 int NrWN=0, NrBN=0, NrWB=0, NrBB=0, NrWR=0, NrBR=0,
6404 NrWQ=0, NrBQ=0, NrW=0, NrK=0, bishopsColor = 0,
6405 NrPieces=0, NrPawns=0, PawnAdvance=0, i, j;
6406 static int moveCount = 6;
6408 char *reason = NULL;
6410 /* Count what is on board. */
6411 for(i=0; i<BOARD_HEIGHT; i++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
6412 { ChessSquare p = boards[forwardMostMove][i][j];
6416 { /* count B,N,R and other of each side */
6419 NrK++; break; // [HGM] atomic: count Kings
6423 case WhiteFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6424 bishopsColor |= 1 << ((i^j)&1);
6429 case BlackFerz: // [HGM] shatranj: kludge to mke it work in shatranj
6430 bishopsColor |= 1 << ((i^j)&1);
6445 PawnAdvance += m; NrPawns++;
6447 NrPieces += (p != EmptySquare);
6448 NrW += ((int)p < (int)BlackPawn);
6449 if(gameInfo.variant == VariantXiangqi &&
6450 (p == WhiteFerz || p == WhiteAlfil || p == BlackFerz || p == BlackAlfil)) {
6451 NrPieces--; // [HGM] XQ: do not count purely defensive pieces
6452 NrW -= ((int)p < (int)BlackPawn);
6456 /* Some material-based adjudications that have to be made before stalemate test */
6457 if(gameInfo.variant == VariantAtomic && NrK < 2) {
6458 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6459 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6460 if(canAdjudicate && appData.checkMates) {
6462 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6463 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6464 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6465 "Xboard adjudication: King destroyed", GE_XBOARD );
6470 /* Bare King in Shatranj (loses) or Losers (wins) */
6471 if( NrW == 1 || NrPieces - NrW == 1) {
6472 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6473 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6474 if(canAdjudicate && appData.checkMates) {
6476 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6477 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6478 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6479 "Xboard adjudication: Bare king", GE_XBOARD );
6483 if( gameInfo.variant == VariantShatranj && --bare < 0)
6485 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6486 if(canAdjudicate && appData.checkMates) {
6487 /* but only adjudicate if adjudication enabled */
6489 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6490 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6491 GameEnds( NrW > 1 ? WhiteWins : NrPieces - NrW > 1 ? BlackWins : GameIsDrawn,
6492 "Xboard adjudication: Bare king", GE_XBOARD );
6499 // don't wait for engine to announce game end if we can judge ourselves
6500 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6502 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6503 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6504 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6505 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6508 reason = "Xboard adjudication: 3rd check";
6509 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6519 reason = "Xboard adjudication: Stalemate";
6520 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6521 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6522 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6523 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6524 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6525 boards[forwardMostMove][EP_STATUS] = NrW == NrPieces-NrW ? EP_STALEMATE :
6526 ((NrW < NrPieces-NrW) != WhiteOnMove(forwardMostMove) ?
6527 EP_CHECKMATE : EP_WINS);
6528 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6529 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6533 reason = "Xboard adjudication: Checkmate";
6534 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6538 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6540 result = GameIsDrawn; break;
6542 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6544 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6546 result = (ChessMove) 0;
6548 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6550 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6551 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6552 GameEnds( result, reason, GE_XBOARD );
6556 /* Next absolutely insufficient mating material. */
6557 if( NrPieces == 2 || gameInfo.variant != VariantXiangqi &&
6558 gameInfo.variant != VariantShatranj && // [HGM] baring will remain possible
6559 (NrPieces == 3 && NrWN+NrBN+NrWB+NrBB == 1 ||
6560 NrPieces == NrBB+NrWB+2 && bishopsColor != 3)) // [HGM] all Bishops (Ferz!) same color
6561 { /* KBK, KNK, KK of KBKB with like Bishops */
6563 /* always flag draws, for judging claims */
6564 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6566 if(canAdjudicate && appData.materialDraws) {
6567 /* but only adjudicate them if adjudication enabled */
6568 if(engineOpponent) {
6569 SendToProgram("force\n", engineOpponent); // suppress reply
6570 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6572 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6573 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6578 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6580 ( NrWR == 1 && NrBR == 1 /* KRKR */
6581 || NrWQ==1 && NrBQ==1 /* KQKQ */
6582 || NrWN==2 || NrBN==2 /* KNNK */
6583 || NrWN+NrWB == 1 && NrBN+NrBB == 1 /* KBKN, KBKB, KNKN */
6585 if(canAdjudicate && --moveCount < 0 && appData.trivialDraws)
6586 { /* if the first 3 moves do not show a tactical win, declare draw */
6587 if(engineOpponent) {
6588 SendToProgram("force\n", engineOpponent); // suppress reply
6589 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6591 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6592 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6595 } else moveCount = 6;
6599 if (appData.debugMode) { int i;
6600 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6601 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6602 appData.drawRepeats);
6603 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6604 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6608 // Repetition draws and 50-move rule can be applied independently of legality testing
6610 /* Check for rep-draws */
6612 for(k = forwardMostMove-2;
6613 k>=backwardMostMove && k>=forwardMostMove-100 &&
6614 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6615 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6618 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6619 /* compare castling rights */
6620 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6621 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6622 rights++; /* King lost rights, while rook still had them */
6623 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6624 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6625 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6626 rights++; /* but at least one rook lost them */
6628 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6629 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6631 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6632 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6633 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6636 if( canAdjudicate && rights == 0 && ++count > appData.drawRepeats-2
6637 && appData.drawRepeats > 1) {
6638 /* adjudicate after user-specified nr of repeats */
6639 if(engineOpponent) {
6640 SendToProgram("force\n", engineOpponent); // suppress reply
6641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6643 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6644 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6645 // [HGM] xiangqi: check for forbidden perpetuals
6646 int m, ourPerpetual = 1, hisPerpetual = 1;
6647 for(m=forwardMostMove; m>k; m-=2) {
6648 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6649 ourPerpetual = 0; // the current mover did not always check
6650 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6651 hisPerpetual = 0; // the opponent did not always check
6653 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6654 ourPerpetual, hisPerpetual);
6655 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6656 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6657 "Xboard adjudication: perpetual checking", GE_XBOARD );
6660 if(hisPerpetual && !ourPerpetual) // he is checking us, but did not repeat yet
6661 break; // (or we would have caught him before). Abort repetition-checking loop.
6662 // Now check for perpetual chases
6663 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6664 hisPerpetual = PerpetualChase(k, forwardMostMove);
6665 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6666 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
6667 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6668 "Xboard adjudication: perpetual chasing", GE_XBOARD );
6671 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
6672 break; // Abort repetition-checking loop.
6674 // if neither of us is checking or chasing all the time, or both are, it is draw
6676 GameEnds( GameIsDrawn, "Xboard adjudication: repetition draw", GE_XBOARD );
6679 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
6680 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
6684 /* Now we test for 50-move draws. Determine ply count */
6685 count = forwardMostMove;
6686 /* look for last irreversble move */
6687 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
6689 /* if we hit starting position, add initial plies */
6690 if( count == backwardMostMove )
6691 count -= initialRulePlies;
6692 count = forwardMostMove - count;
6694 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
6695 /* this is used to judge if draw claims are legal */
6696 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
6697 if(engineOpponent) {
6698 SendToProgram("force\n", engineOpponent); // suppress reply
6699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6701 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6702 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
6706 /* if draw offer is pending, treat it as a draw claim
6707 * when draw condition present, to allow engines a way to
6708 * claim draws before making their move to avoid a race
6709 * condition occurring after their move
6711 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
6713 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
6714 p = "Draw claim: 50-move rule";
6715 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
6716 p = "Draw claim: 3-fold repetition";
6717 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
6718 p = "Draw claim: insufficient mating material";
6719 if( p != NULL && canAdjudicate) {
6720 if(engineOpponent) {
6721 SendToProgram("force\n", engineOpponent); // suppress reply
6722 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6724 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6725 GameEnds( GameIsDrawn, p, GE_XBOARD );
6730 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
6731 if(engineOpponent) {
6732 SendToProgram("force\n", engineOpponent); // suppress reply
6733 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6735 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6736 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
6742 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
6743 { // [HGM] book: this routine intercepts moves to simulate book replies
6744 char *bookHit = NULL;
6746 //first determine if the incoming move brings opponent into his book
6747 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
6748 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
6749 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
6750 if(bookHit != NULL && !cps->bookSuspend) {
6751 // make sure opponent is not going to reply after receiving move to book position
6752 SendToProgram("force\n", cps);
6753 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
6755 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
6756 // now arrange restart after book miss
6758 // after a book hit we never send 'go', and the code after the call to this routine
6759 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
6761 if (cps->useUsermove) sprintf(buf, "usermove "); // sorry, no SAN yet :(
6762 sprintf(buf, "%s\n", bookHit); // force book move into program supposed to play it
6763 SendToProgram(buf, cps);
6764 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
6765 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
6766 SendToProgram("go\n", cps);
6767 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
6768 } else { // 'go' might be sent based on 'firstMove' after this routine returns
6769 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
6770 SendToProgram("go\n", cps);
6771 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
6773 return bookHit; // notify caller of hit, so it can take action to send move to opponent
6777 ChessProgramState *savedState;
6778 void DeferredBookMove(void)
6780 if(savedState->lastPing != savedState->lastPong)
6781 ScheduleDelayedEvent(DeferredBookMove, 10);
6783 HandleMachineMove(savedMessage, savedState);
6787 HandleMachineMove(message, cps)
6789 ChessProgramState *cps;
6791 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
6792 char realname[MSG_SIZ];
6793 int fromX, fromY, toX, toY;
6802 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
6804 * Kludge to ignore BEL characters
6806 while (*message == '\007') message++;
6809 * [HGM] engine debug message: ignore lines starting with '#' character
6811 if(cps->debug && *message == '#') return;
6814 * Look for book output
6816 if (cps == &first && bookRequested) {
6817 if (message[0] == '\t' || message[0] == ' ') {
6818 /* Part of the book output is here; append it */
6819 strcat(bookOutput, message);
6820 strcat(bookOutput, " \n");
6822 } else if (bookOutput[0] != NULLCHAR) {
6823 /* All of book output has arrived; display it */
6824 char *p = bookOutput;
6825 while (*p != NULLCHAR) {
6826 if (*p == '\t') *p = ' ';
6829 DisplayInformation(bookOutput);
6830 bookRequested = FALSE;
6831 /* Fall through to parse the current output */
6836 * Look for machine move.
6838 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
6839 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
6841 /* This method is only useful on engines that support ping */
6842 if (cps->lastPing != cps->lastPong) {
6843 if (gameMode == BeginningOfGame) {
6844 /* Extra move from before last new; ignore */
6845 if (appData.debugMode) {
6846 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6849 if (appData.debugMode) {
6850 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6851 cps->which, gameMode);
6854 SendToProgram("undo\n", cps);
6860 case BeginningOfGame:
6861 /* Extra move from before last reset; ignore */
6862 if (appData.debugMode) {
6863 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
6870 /* Extra move after we tried to stop. The mode test is
6871 not a reliable way of detecting this problem, but it's
6872 the best we can do on engines that don't support ping.
6874 if (appData.debugMode) {
6875 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
6876 cps->which, gameMode);
6878 SendToProgram("undo\n", cps);
6881 case MachinePlaysWhite:
6882 case IcsPlayingWhite:
6883 machineWhite = TRUE;
6886 case MachinePlaysBlack:
6887 case IcsPlayingBlack:
6888 machineWhite = FALSE;
6891 case TwoMachinesPlay:
6892 machineWhite = (cps->twoMachinesColor[0] == 'w');
6895 if (WhiteOnMove(forwardMostMove) != machineWhite) {
6896 if (appData.debugMode) {
6898 "Ignoring move out of turn by %s, gameMode %d"
6899 ", forwardMost %d\n",
6900 cps->which, gameMode, forwardMostMove);
6905 if (appData.debugMode) { int f = forwardMostMove;
6906 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
6907 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
6908 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
6910 if(cps->alphaRank) AlphaRank(machineMove, 4);
6911 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
6912 &fromX, &fromY, &toX, &toY, &promoChar)) {
6913 /* Machine move could not be parsed; ignore it. */
6914 sprintf(buf1, _("Illegal move \"%s\" from %s machine"),
6915 machineMove, cps->which);
6916 DisplayError(buf1, 0);
6917 sprintf(buf1, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
6918 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
6919 if (gameMode == TwoMachinesPlay) {
6920 GameEnds(machineWhite ? BlackWins : WhiteWins,
6926 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
6927 /* So we have to redo legality test with true e.p. status here, */
6928 /* to make sure an illegal e.p. capture does not slip through, */
6929 /* to cause a forfeit on a justified illegal-move complaint */
6930 /* of the opponent. */
6931 if( gameMode==TwoMachinesPlay && appData.testLegality
6932 && fromY != DROP_RANK /* [HGM] temporary; should still add legality test for drops */
6935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
6936 fromY, fromX, toY, toX, promoChar);
6937 if (appData.debugMode) {
6939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
6940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
6941 fprintf(debugFP, "castling rights\n");
6943 if(moveType == IllegalMove) {
6944 sprintf(buf1, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
6945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
6946 GameEnds(machineWhite ? BlackWins : WhiteWins,
6949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
6950 /* [HGM] Kludge to handle engines that send FRC-style castling
6951 when they shouldn't (like TSCP-Gothic) */
6953 case WhiteASideCastleFR:
6954 case BlackASideCastleFR:
6956 currentMoveString[2]++;
6958 case WhiteHSideCastleFR:
6959 case BlackHSideCastleFR:
6961 currentMoveString[2]--;
6963 default: ; // nothing to do, but suppresses warning of pedantic compilers
6966 hintRequested = FALSE;
6967 lastHint[0] = NULLCHAR;
6968 bookRequested = FALSE;
6969 /* Program may be pondering now */
6970 cps->maybeThinking = TRUE;
6971 if (cps->sendTime == 2) cps->sendTime = 1;
6972 if (cps->offeredDraw) cps->offeredDraw--;
6974 /* currentMoveString is set as a side-effect of ParseOneMove */
6975 strcpy(machineMove, currentMoveString);
6976 strcat(machineMove, "\n");
6977 strcpy(moveList[forwardMostMove], machineMove);
6979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
6981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
6982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
6985 while( count < adjudicateLossPlies ) {
6986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
6989 score = -score; /* Flip score for winning side */
6992 if( score > adjudicateLossThreshold ) {
6999 if( count >= adjudicateLossPlies ) {
7000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7003 "Xboard adjudication",
7010 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7013 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7015 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7016 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7018 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7020 SendMoveToICS(moveType, fromX, fromY, toX, toY);
7022 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7023 char buf[3*MSG_SIZ];
7025 sprintf(buf, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7026 programStats.score / 100.,
7028 programStats.time / 100.,
7029 (unsigned int)programStats.nodes,
7030 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7031 programStats.movelist);
7033 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7038 /* [AS] Save move info and clear stats for next move */
7039 pvInfoList[ forwardMostMove-1 ].score = programStats.score;
7040 pvInfoList[ forwardMostMove-1 ].depth = programStats.depth;
7041 pvInfoList[ forwardMostMove-1 ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7042 ClearProgramStats();
7043 thinkOutput[0] = NULLCHAR;
7044 hiddenThinkOutputState = 0;
7047 if (gameMode == TwoMachinesPlay) {
7048 /* [HGM] relaying draw offers moved to after reception of move */
7049 /* and interpreting offer as claim if it brings draw condition */
7050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7051 SendToProgram("draw\n", cps->other);
7053 if (cps->other->sendTime) {
7054 SendTimeRemaining(cps->other,
7055 cps->other->twoMachinesColor[0] == 'w');
7057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7058 if (firstMove && !bookHit) {
7060 if (cps->other->useColors) {
7061 SendToProgram(cps->other->twoMachinesColor, cps->other);
7063 SendToProgram("go\n", cps->other);
7065 cps->other->maybeThinking = TRUE;
7068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7070 if (!pausing && appData.ringBellAfterMoves) {
7075 * Reenable menu items that were disabled while
7076 * machine was thinking
7078 if (gameMode != TwoMachinesPlay)
7079 SetUserThinkingEnables();
7081 // [HGM] book: after book hit opponent has received move and is now in force mode
7082 // force the book reply into it, and then fake that it outputted this move by jumping
7083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7085 static char bookMove[MSG_SIZ]; // a bit generous?
7087 strcpy(bookMove, "move ");
7088 strcat(bookMove, bookHit);
7091 programStats.nodes = programStats.depth = programStats.time =
7092 programStats.score = programStats.got_only_move = 0;
7093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7095 if(cps->lastPing != cps->lastPong) {
7096 savedMessage = message; // args for deferred call
7098 ScheduleDelayedEvent(DeferredBookMove, 10);
7107 /* Set special modes for chess engines. Later something general
7108 * could be added here; for now there is just one kludge feature,
7109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7110 * when "xboard" is given as an interactive command.
7112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7113 cps->useSigint = FALSE;
7114 cps->useSigterm = FALSE;
7116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7117 ParseFeatures(message+8, cps);
7118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7121 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7122 * want this, I was asked to put it in, and obliged.
7124 if (!strncmp(message, "setboard ", 9)) {
7125 Board initial_position;
7127 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7129 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7130 DisplayError(_("Bad FEN received from engine"), 0);
7134 CopyBoard(boards[0], initial_position);
7135 initialRulePlies = FENrulePlies;
7136 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7137 else gameMode = MachinePlaysBlack;
7138 DrawPosition(FALSE, boards[currentMove]);
7144 * Look for communication commands
7146 if (!strncmp(message, "telluser ", 9)) {
7147 DisplayNote(message + 9);
7150 if (!strncmp(message, "tellusererror ", 14)) {
7152 DisplayError(message + 14, 0);
7155 if (!strncmp(message, "tellopponent ", 13)) {
7156 if (appData.icsActive) {
7158 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7162 DisplayNote(message + 13);
7166 if (!strncmp(message, "tellothers ", 11)) {
7167 if (appData.icsActive) {
7169 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7175 if (!strncmp(message, "tellall ", 8)) {
7176 if (appData.icsActive) {
7178 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7182 DisplayNote(message + 8);
7186 if (strncmp(message, "warning", 7) == 0) {
7187 /* Undocumented feature, use tellusererror in new code */
7188 DisplayError(message, 0);
7191 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7192 strcpy(realname, cps->tidy);
7193 strcat(realname, " query");
7194 AskQuestion(realname, buf2, buf1, cps->pr);
7197 /* Commands from the engine directly to ICS. We don't allow these to be
7198 * sent until we are logged on. Crafty kibitzes have been known to
7199 * interfere with the login process.
7202 if (!strncmp(message, "tellics ", 8)) {
7203 SendToICS(message + 8);
7207 if (!strncmp(message, "tellicsnoalias ", 15)) {
7208 SendToICS(ics_prefix);
7209 SendToICS(message + 15);
7213 /* The following are for backward compatibility only */
7214 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7215 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7216 SendToICS(ics_prefix);
7222 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7226 * If the move is illegal, cancel it and redraw the board.
7227 * Also deal with other error cases. Matching is rather loose
7228 * here to accommodate engines written before the spec.
7230 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7231 strncmp(message, "Error", 5) == 0) {
7232 if (StrStr(message, "name") ||
7233 StrStr(message, "rating") || StrStr(message, "?") ||
7234 StrStr(message, "result") || StrStr(message, "board") ||
7235 StrStr(message, "bk") || StrStr(message, "computer") ||
7236 StrStr(message, "variant") || StrStr(message, "hint") ||
7237 StrStr(message, "random") || StrStr(message, "depth") ||
7238 StrStr(message, "accepted")) {
7241 if (StrStr(message, "protover")) {
7242 /* Program is responding to input, so it's apparently done
7243 initializing, and this error message indicates it is
7244 protocol version 1. So we don't need to wait any longer
7245 for it to initialize and send feature commands. */
7246 FeatureDone(cps, 1);
7247 cps->protocolVersion = 1;
7250 cps->maybeThinking = FALSE;
7252 if (StrStr(message, "draw")) {
7253 /* Program doesn't have "draw" command */
7254 cps->sendDrawOffers = 0;
7257 if (cps->sendTime != 1 &&
7258 (StrStr(message, "time") || StrStr(message, "otim"))) {
7259 /* Program apparently doesn't have "time" or "otim" command */
7263 if (StrStr(message, "analyze")) {
7264 cps->analysisSupport = FALSE;
7265 cps->analyzing = FALSE;
7267 sprintf(buf2, _("%s does not support analysis"), cps->tidy);
7268 DisplayError(buf2, 0);
7271 if (StrStr(message, "(no matching move)st")) {
7272 /* Special kludge for GNU Chess 4 only */
7273 cps->stKludge = TRUE;
7274 SendTimeControl(cps, movesPerSession, timeControl,
7275 timeIncrement, appData.searchDepth,
7279 if (StrStr(message, "(no matching move)sd")) {
7280 /* Special kludge for GNU Chess 4 only */
7281 cps->sdKludge = TRUE;
7282 SendTimeControl(cps, movesPerSession, timeControl,
7283 timeIncrement, appData.searchDepth,
7287 if (!StrStr(message, "llegal")) {
7290 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7291 gameMode == IcsIdle) return;
7292 if (forwardMostMove <= backwardMostMove) return;
7293 if (pausing) PauseEvent();
7294 if(appData.forceIllegal) {
7295 // [HGM] illegal: machine refused move; force position after move into it
7296 SendToProgram("force\n", cps);
7297 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7298 // we have a real problem now, as SendBoard will use the a2a3 kludge
7299 // when black is to move, while there might be nothing on a2 or black
7300 // might already have the move. So send the board as if white has the move.
7301 // But first we must change the stm of the engine, as it refused the last move
7302 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7303 if(WhiteOnMove(forwardMostMove)) {
7304 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7305 SendBoard(cps, forwardMostMove); // kludgeless board
7307 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7308 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7309 SendBoard(cps, forwardMostMove+1); // kludgeless board
7311 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7312 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7313 gameMode == TwoMachinesPlay)
7314 SendToProgram("go\n", cps);
7317 if (gameMode == PlayFromGameFile) {
7318 /* Stop reading this game file */
7319 gameMode = EditGame;
7322 currentMove = forwardMostMove-1;
7323 DisplayMove(currentMove-1); /* before DisplayMoveError */
7324 SwitchClocks(forwardMostMove-1); // [HGM] race
7325 DisplayBothClocks();
7326 sprintf(buf1, _("Illegal move \"%s\" (rejected by %s chess program)"),
7327 parseList[currentMove], cps->which);
7328 DisplayMoveError(buf1);
7329 DrawPosition(FALSE, boards[currentMove]);
7331 /* [HGM] illegal-move claim should forfeit game when Xboard */
7332 /* only passes fully legal moves */
7333 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7334 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7335 "False illegal-move claim", GE_XBOARD );
7339 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7340 /* Program has a broken "time" command that
7341 outputs a string not ending in newline.
7347 * If chess program startup fails, exit with an error message.
7348 * Attempts to recover here are futile.
7350 if ((StrStr(message, "unknown host") != NULL)
7351 || (StrStr(message, "No remote directory") != NULL)
7352 || (StrStr(message, "not found") != NULL)
7353 || (StrStr(message, "No such file") != NULL)
7354 || (StrStr(message, "can't alloc") != NULL)
7355 || (StrStr(message, "Permission denied") != NULL)) {
7357 cps->maybeThinking = FALSE;
7358 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7359 cps->which, cps->program, cps->host, message);
7360 RemoveInputSource(cps->isr);
7361 DisplayFatalError(buf1, 0, 1);
7366 * Look for hint output
7368 if (sscanf(message, "Hint: %s", buf1) == 1) {
7369 if (cps == &first && hintRequested) {
7370 hintRequested = FALSE;
7371 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7372 &fromX, &fromY, &toX, &toY, &promoChar)) {
7373 (void) CoordsToAlgebraic(boards[forwardMostMove],
7374 PosFlags(forwardMostMove),
7375 fromY, fromX, toY, toX, promoChar, buf1);
7376 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7377 DisplayInformation(buf2);
7379 /* Hint move could not be parsed!? */
7380 snprintf(buf2, sizeof(buf2),
7381 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7383 DisplayError(buf2, 0);
7386 strcpy(lastHint, buf1);
7392 * Ignore other messages if game is not in progress
7394 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7395 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7398 * look for win, lose, draw, or draw offer
7400 if (strncmp(message, "1-0", 3) == 0) {
7401 char *p, *q, *r = "";
7402 p = strchr(message, '{');
7410 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7412 } else if (strncmp(message, "0-1", 3) == 0) {
7413 char *p, *q, *r = "";
7414 p = strchr(message, '{');
7422 /* Kludge for Arasan 4.1 bug */
7423 if (strcmp(r, "Black resigns") == 0) {
7424 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7427 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7429 } else if (strncmp(message, "1/2", 3) == 0) {
7430 char *p, *q, *r = "";
7431 p = strchr(message, '{');
7440 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7443 } else if (strncmp(message, "White resign", 12) == 0) {
7444 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7446 } else if (strncmp(message, "Black resign", 12) == 0) {
7447 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7449 } else if (strncmp(message, "White matches", 13) == 0 ||
7450 strncmp(message, "Black matches", 13) == 0 ) {
7451 /* [HGM] ignore GNUShogi noises */
7453 } else if (strncmp(message, "White", 5) == 0 &&
7454 message[5] != '(' &&
7455 StrStr(message, "Black") == NULL) {
7456 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7458 } else if (strncmp(message, "Black", 5) == 0 &&
7459 message[5] != '(') {
7460 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7462 } else if (strcmp(message, "resign") == 0 ||
7463 strcmp(message, "computer resigns") == 0) {
7465 case MachinePlaysBlack:
7466 case IcsPlayingBlack:
7467 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7469 case MachinePlaysWhite:
7470 case IcsPlayingWhite:
7471 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7473 case TwoMachinesPlay:
7474 if (cps->twoMachinesColor[0] == 'w')
7475 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7477 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7484 } else if (strncmp(message, "opponent mates", 14) == 0) {
7486 case MachinePlaysBlack:
7487 case IcsPlayingBlack:
7488 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7490 case MachinePlaysWhite:
7491 case IcsPlayingWhite:
7492 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7494 case TwoMachinesPlay:
7495 if (cps->twoMachinesColor[0] == 'w')
7496 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7498 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7505 } else if (strncmp(message, "computer mates", 14) == 0) {
7507 case MachinePlaysBlack:
7508 case IcsPlayingBlack:
7509 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7511 case MachinePlaysWhite:
7512 case IcsPlayingWhite:
7513 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7515 case TwoMachinesPlay:
7516 if (cps->twoMachinesColor[0] == 'w')
7517 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7519 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7526 } else if (strncmp(message, "checkmate", 9) == 0) {
7527 if (WhiteOnMove(forwardMostMove)) {
7528 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7530 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7533 } else if (strstr(message, "Draw") != NULL ||
7534 strstr(message, "game is a draw") != NULL) {
7535 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7537 } else if (strstr(message, "offer") != NULL &&
7538 strstr(message, "draw") != NULL) {
7540 if (appData.zippyPlay && first.initDone) {
7541 /* Relay offer to ICS */
7542 SendToICS(ics_prefix);
7543 SendToICS("draw\n");
7546 cps->offeredDraw = 2; /* valid until this engine moves twice */
7547 if (gameMode == TwoMachinesPlay) {
7548 if (cps->other->offeredDraw) {
7549 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7550 /* [HGM] in two-machine mode we delay relaying draw offer */
7551 /* until after we also have move, to see if it is really claim */
7553 } else if (gameMode == MachinePlaysWhite ||
7554 gameMode == MachinePlaysBlack) {
7555 if (userOfferedDraw) {
7556 DisplayInformation(_("Machine accepts your draw offer"));
7557 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7559 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7566 * Look for thinking output
7568 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7569 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7571 int plylev, mvleft, mvtot, curscore, time;
7572 char mvname[MOVE_LEN];
7576 int prefixHint = FALSE;
7577 mvname[0] = NULLCHAR;
7580 case MachinePlaysBlack:
7581 case IcsPlayingBlack:
7582 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7584 case MachinePlaysWhite:
7585 case IcsPlayingWhite:
7586 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7591 case IcsObserving: /* [DM] icsEngineAnalyze */
7592 if (!appData.icsEngineAnalyze) ignore = TRUE;
7594 case TwoMachinesPlay:
7595 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7606 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7607 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7609 if (plyext != ' ' && plyext != '\t') {
7613 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7614 if( cps->scoreIsAbsolute &&
7615 ( gameMode == MachinePlaysBlack ||
7616 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7617 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7618 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7619 !WhiteOnMove(currentMove)
7622 curscore = -curscore;
7626 programStats.depth = plylev;
7627 programStats.nodes = nodes;
7628 programStats.time = time;
7629 programStats.score = curscore;
7630 programStats.got_only_move = 0;
7632 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7635 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7636 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7637 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7638 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
7639 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
7640 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
7641 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
7642 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
7645 /* Buffer overflow protection */
7646 if (buf1[0] != NULLCHAR) {
7647 if (strlen(buf1) >= sizeof(programStats.movelist)
7648 && appData.debugMode) {
7650 "PV is too long; using the first %u bytes.\n",
7651 (unsigned) sizeof(programStats.movelist) - 1);
7654 safeStrCpy( programStats.movelist, buf1, sizeof(programStats.movelist) );
7656 sprintf(programStats.movelist, " no PV\n");
7659 if (programStats.seen_stat) {
7660 programStats.ok_to_send = 1;
7663 if (strchr(programStats.movelist, '(') != NULL) {
7664 programStats.line_is_book = 1;
7665 programStats.nr_moves = 0;
7666 programStats.moves_left = 0;
7668 programStats.line_is_book = 0;
7671 SendProgramStatsToFrontend( cps, &programStats );
7674 [AS] Protect the thinkOutput buffer from overflow... this
7675 is only useful if buf1 hasn't overflowed first!
7677 sprintf(thinkOutput, "[%d]%c%+.2f %s%s",
7679 (gameMode == TwoMachinesPlay ?
7680 ToUpper(cps->twoMachinesColor[0]) : ' '),
7681 ((double) curscore) / 100.0,
7682 prefixHint ? lastHint : "",
7683 prefixHint ? " " : "" );
7685 if( buf1[0] != NULLCHAR ) {
7686 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
7688 if( strlen(buf1) > max_len ) {
7689 if( appData.debugMode) {
7690 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
7692 buf1[max_len+1] = '\0';
7695 strcat( thinkOutput, buf1 );
7698 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
7699 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7700 DisplayMove(currentMove - 1);
7704 } else if ((p=StrStr(message, "(only move)")) != NULL) {
7705 /* crafty (9.25+) says "(only move) <move>"
7706 * if there is only 1 legal move
7708 sscanf(p, "(only move) %s", buf1);
7709 sprintf(thinkOutput, "%s (only move)", buf1);
7710 sprintf(programStats.movelist, "%s (only move)", buf1);
7711 programStats.depth = 1;
7712 programStats.nr_moves = 1;
7713 programStats.moves_left = 1;
7714 programStats.nodes = 1;
7715 programStats.time = 1;
7716 programStats.got_only_move = 1;
7718 /* Not really, but we also use this member to
7719 mean "line isn't going to change" (Crafty
7720 isn't searching, so stats won't change) */
7721 programStats.line_is_book = 1;
7723 SendProgramStatsToFrontend( cps, &programStats );
7725 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7726 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7727 DisplayMove(currentMove - 1);
7730 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
7731 &time, &nodes, &plylev, &mvleft,
7732 &mvtot, mvname) >= 5) {
7733 /* The stat01: line is from Crafty (9.29+) in response
7734 to the "." command */
7735 programStats.seen_stat = 1;
7736 cps->maybeThinking = TRUE;
7738 if (programStats.got_only_move || !appData.periodicUpdates)
7741 programStats.depth = plylev;
7742 programStats.time = time;
7743 programStats.nodes = nodes;
7744 programStats.moves_left = mvleft;
7745 programStats.nr_moves = mvtot;
7746 strcpy(programStats.move_name, mvname);
7747 programStats.ok_to_send = 1;
7748 programStats.movelist[0] = '\0';
7750 SendProgramStatsToFrontend( cps, &programStats );
7754 } else if (strncmp(message,"++",2) == 0) {
7755 /* Crafty 9.29+ outputs this */
7756 programStats.got_fail = 2;
7759 } else if (strncmp(message,"--",2) == 0) {
7760 /* Crafty 9.29+ outputs this */
7761 programStats.got_fail = 1;
7764 } else if (thinkOutput[0] != NULLCHAR &&
7765 strncmp(message, " ", 4) == 0) {
7766 unsigned message_len;
7769 while (*p && *p == ' ') p++;
7771 message_len = strlen( p );
7773 /* [AS] Avoid buffer overflow */
7774 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
7775 strcat(thinkOutput, " ");
7776 strcat(thinkOutput, p);
7779 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
7780 strcat(programStats.movelist, " ");
7781 strcat(programStats.movelist, p);
7784 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
7785 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
7786 DisplayMove(currentMove - 1);
7794 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7795 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
7797 ChessProgramStats cpstats;
7799 if (plyext != ' ' && plyext != '\t') {
7803 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7804 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
7805 curscore = -curscore;
7808 cpstats.depth = plylev;
7809 cpstats.nodes = nodes;
7810 cpstats.time = time;
7811 cpstats.score = curscore;
7812 cpstats.got_only_move = 0;
7813 cpstats.movelist[0] = '\0';
7815 if (buf1[0] != NULLCHAR) {
7816 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist) );
7819 cpstats.ok_to_send = 0;
7820 cpstats.line_is_book = 0;
7821 cpstats.nr_moves = 0;
7822 cpstats.moves_left = 0;
7824 SendProgramStatsToFrontend( cps, &cpstats );
7831 /* Parse a game score from the character string "game", and
7832 record it as the history of the current game. The game
7833 score is NOT assumed to start from the standard position.
7834 The display is not updated in any way.
7837 ParseGameHistory(game)
7841 int fromX, fromY, toX, toY, boardIndex;
7846 if (appData.debugMode)
7847 fprintf(debugFP, "Parsing game history: %s\n", game);
7849 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
7850 gameInfo.site = StrSave(appData.icsHost);
7851 gameInfo.date = PGNDate();
7852 gameInfo.round = StrSave("-");
7854 /* Parse out names of players */
7855 while (*game == ' ') game++;
7857 while (*game != ' ') *p++ = *game++;
7859 gameInfo.white = StrSave(buf);
7860 while (*game == ' ') game++;
7862 while (*game != ' ' && *game != '\n') *p++ = *game++;
7864 gameInfo.black = StrSave(buf);
7867 boardIndex = blackPlaysFirst ? 1 : 0;
7870 yyboardindex = boardIndex;
7871 moveType = (ChessMove) yylex();
7873 case IllegalMove: /* maybe suicide chess, etc. */
7874 if (appData.debugMode) {
7875 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
7876 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7877 setbuf(debugFP, NULL);
7879 case WhitePromotionChancellor:
7880 case BlackPromotionChancellor:
7881 case WhitePromotionArchbishop:
7882 case BlackPromotionArchbishop:
7883 case WhitePromotionQueen:
7884 case BlackPromotionQueen:
7885 case WhitePromotionRook:
7886 case BlackPromotionRook:
7887 case WhitePromotionBishop:
7888 case BlackPromotionBishop:
7889 case WhitePromotionKnight:
7890 case BlackPromotionKnight:
7891 case WhitePromotionKing:
7892 case BlackPromotionKing:
7894 case WhiteCapturesEnPassant:
7895 case BlackCapturesEnPassant:
7896 case WhiteKingSideCastle:
7897 case WhiteQueenSideCastle:
7898 case BlackKingSideCastle:
7899 case BlackQueenSideCastle:
7900 case WhiteKingSideCastleWild:
7901 case WhiteQueenSideCastleWild:
7902 case BlackKingSideCastleWild:
7903 case BlackQueenSideCastleWild:
7905 case WhiteHSideCastleFR:
7906 case WhiteASideCastleFR:
7907 case BlackHSideCastleFR:
7908 case BlackASideCastleFR:
7910 fromX = currentMoveString[0] - AAA;
7911 fromY = currentMoveString[1] - ONE;
7912 toX = currentMoveString[2] - AAA;
7913 toY = currentMoveString[3] - ONE;
7914 promoChar = currentMoveString[4];
7918 fromX = moveType == WhiteDrop ?
7919 (int) CharToPiece(ToUpper(currentMoveString[0])) :
7920 (int) CharToPiece(ToLower(currentMoveString[0]));
7922 toX = currentMoveString[2] - AAA;
7923 toY = currentMoveString[3] - ONE;
7924 promoChar = NULLCHAR;
7928 sprintf(buf, _("Ambiguous move in ICS output: \"%s\""), yy_text);
7929 if (appData.debugMode) {
7930 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
7931 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7932 setbuf(debugFP, NULL);
7934 DisplayError(buf, 0);
7936 case ImpossibleMove:
7938 sprintf(buf, _("Illegal move in ICS output: \"%s\""), yy_text);
7939 if (appData.debugMode) {
7940 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
7941 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
7942 setbuf(debugFP, NULL);
7944 DisplayError(buf, 0);
7946 case (ChessMove) 0: /* end of file */
7947 if (boardIndex < backwardMostMove) {
7948 /* Oops, gap. How did that happen? */
7949 DisplayError(_("Gap in move list"), 0);
7952 backwardMostMove = blackPlaysFirst ? 1 : 0;
7953 if (boardIndex > forwardMostMove) {
7954 forwardMostMove = boardIndex;
7958 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
7959 strcat(parseList[boardIndex-1], " ");
7960 strcat(parseList[boardIndex-1], yy_text);
7972 case GameUnfinished:
7973 if (gameMode == IcsExamining) {
7974 if (boardIndex < backwardMostMove) {
7975 /* Oops, gap. How did that happen? */
7978 backwardMostMove = blackPlaysFirst ? 1 : 0;
7981 gameInfo.result = moveType;
7982 p = strchr(yy_text, '{');
7983 if (p == NULL) p = strchr(yy_text, '(');
7986 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
7988 q = strchr(p, *p == '{' ? '}' : ')');
7989 if (q != NULL) *q = NULLCHAR;
7992 gameInfo.resultDetails = StrSave(p);
7995 if (boardIndex >= forwardMostMove &&
7996 !(gameMode == IcsObserving && ics_gamenum == -1)) {
7997 backwardMostMove = blackPlaysFirst ? 1 : 0;
8000 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8001 fromY, fromX, toY, toX, promoChar,
8002 parseList[boardIndex]);
8003 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8004 /* currentMoveString is set as a side-effect of yylex */
8005 strcpy(moveList[boardIndex], currentMoveString);
8006 strcat(moveList[boardIndex], "\n");
8008 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8009 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8015 if(gameInfo.variant != VariantShogi)
8016 strcat(parseList[boardIndex - 1], "+");
8020 strcat(parseList[boardIndex - 1], "#");
8027 /* Apply a move to the given board */
8029 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8030 int fromX, fromY, toX, toY;
8034 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8035 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8037 /* [HGM] compute & store e.p. status and castling rights for new position */
8038 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8041 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8042 oldEP = (signed char)board[EP_STATUS];
8043 board[EP_STATUS] = EP_NONE;
8045 if( board[toY][toX] != EmptySquare )
8046 board[EP_STATUS] = EP_CAPTURE;
8048 if( board[fromY][fromX] == WhitePawn ) {
8049 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8050 board[EP_STATUS] = EP_PAWN_MOVE;
8052 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8053 gameInfo.variant != VariantBerolina || toX < fromX)
8054 board[EP_STATUS] = toX | berolina;
8055 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8056 gameInfo.variant != VariantBerolina || toX > fromX)
8057 board[EP_STATUS] = toX;
8060 if( board[fromY][fromX] == BlackPawn ) {
8061 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8062 board[EP_STATUS] = EP_PAWN_MOVE;
8063 if( toY-fromY== -2) {
8064 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8065 gameInfo.variant != VariantBerolina || toX < fromX)
8066 board[EP_STATUS] = toX | berolina;
8067 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8068 gameInfo.variant != VariantBerolina || toX > fromX)
8069 board[EP_STATUS] = toX;
8073 for(i=0; i<nrCastlingRights; i++) {
8074 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8075 board[CASTLING][i] == toX && castlingRank[i] == toY
8076 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8081 /* [HGM] In Shatranj and Courier all promotions are to Ferz */
8082 if((gameInfo.variant==VariantShatranj || gameInfo.variant==VariantCourier || gameInfo.variant == VariantMakruk)
8083 && promoChar != 0) promoChar = PieceToChar(WhiteFerz);
8085 if (fromX == toX && fromY == toY) return;
8087 if (fromY == DROP_RANK) {
8089 piece = board[toY][toX] = (ChessSquare) fromX;
8091 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8092 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8093 if(gameInfo.variant == VariantKnightmate)
8094 king += (int) WhiteUnicorn - (int) WhiteKing;
8096 /* Code added by Tord: */
8097 /* FRC castling assumed when king captures friendly rook. */
8098 if (board[fromY][fromX] == WhiteKing &&
8099 board[toY][toX] == WhiteRook) {
8100 board[fromY][fromX] = EmptySquare;
8101 board[toY][toX] = EmptySquare;
8103 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8105 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8107 } else if (board[fromY][fromX] == BlackKing &&
8108 board[toY][toX] == BlackRook) {
8109 board[fromY][fromX] = EmptySquare;
8110 board[toY][toX] = EmptySquare;
8112 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8114 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8116 /* End of code added by Tord */
8118 } else if (board[fromY][fromX] == king
8119 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8120 && toY == fromY && toX > fromX+1) {
8121 board[fromY][fromX] = EmptySquare;
8122 board[toY][toX] = king;
8123 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8124 board[fromY][BOARD_RGHT-1] = EmptySquare;
8125 } else if (board[fromY][fromX] == king
8126 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8127 && toY == fromY && toX < fromX-1) {
8128 board[fromY][fromX] = EmptySquare;
8129 board[toY][toX] = king;
8130 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8131 board[fromY][BOARD_LEFT] = EmptySquare;
8132 } else if (board[fromY][fromX] == WhitePawn
8133 && toY >= BOARD_HEIGHT-promoRank
8134 && gameInfo.variant != VariantXiangqi
8136 /* white pawn promotion */
8137 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8138 if (board[toY][toX] == EmptySquare) {
8139 board[toY][toX] = WhiteQueen;
8141 if(gameInfo.variant==VariantBughouse ||
8142 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8143 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8144 board[fromY][fromX] = EmptySquare;
8145 } else if ((fromY == BOARD_HEIGHT-4)
8147 && gameInfo.variant != VariantXiangqi
8148 && gameInfo.variant != VariantBerolina
8149 && (board[fromY][fromX] == WhitePawn)
8150 && (board[toY][toX] == EmptySquare)) {
8151 board[fromY][fromX] = EmptySquare;
8152 board[toY][toX] = WhitePawn;
8153 captured = board[toY - 1][toX];
8154 board[toY - 1][toX] = EmptySquare;
8155 } else if ((fromY == BOARD_HEIGHT-4)
8157 && gameInfo.variant == VariantBerolina
8158 && (board[fromY][fromX] == WhitePawn)
8159 && (board[toY][toX] == EmptySquare)) {
8160 board[fromY][fromX] = EmptySquare;
8161 board[toY][toX] = WhitePawn;
8162 if(oldEP & EP_BEROLIN_A) {
8163 captured = board[fromY][fromX-1];
8164 board[fromY][fromX-1] = EmptySquare;
8165 }else{ captured = board[fromY][fromX+1];
8166 board[fromY][fromX+1] = EmptySquare;
8168 } else if (board[fromY][fromX] == king
8169 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8170 && toY == fromY && toX > fromX+1) {
8171 board[fromY][fromX] = EmptySquare;
8172 board[toY][toX] = king;
8173 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8174 board[fromY][BOARD_RGHT-1] = EmptySquare;
8175 } else if (board[fromY][fromX] == king
8176 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8177 && toY == fromY && toX < fromX-1) {
8178 board[fromY][fromX] = EmptySquare;
8179 board[toY][toX] = king;
8180 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8181 board[fromY][BOARD_LEFT] = EmptySquare;
8182 } else if (fromY == 7 && fromX == 3
8183 && board[fromY][fromX] == BlackKing
8184 && toY == 7 && toX == 5) {
8185 board[fromY][fromX] = EmptySquare;
8186 board[toY][toX] = BlackKing;
8187 board[fromY][7] = EmptySquare;
8188 board[toY][4] = BlackRook;
8189 } else if (fromY == 7 && fromX == 3
8190 && board[fromY][fromX] == BlackKing
8191 && toY == 7 && toX == 1) {
8192 board[fromY][fromX] = EmptySquare;
8193 board[toY][toX] = BlackKing;
8194 board[fromY][0] = EmptySquare;
8195 board[toY][2] = BlackRook;
8196 } else if (board[fromY][fromX] == BlackPawn
8198 && gameInfo.variant != VariantXiangqi
8200 /* black pawn promotion */
8201 board[toY][toX] = CharToPiece(ToLower(promoChar));
8202 if (board[toY][toX] == EmptySquare) {
8203 board[toY][toX] = BlackQueen;
8205 if(gameInfo.variant==VariantBughouse ||
8206 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8207 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8208 board[fromY][fromX] = EmptySquare;
8209 } else if ((fromY == 3)
8211 && gameInfo.variant != VariantXiangqi
8212 && gameInfo.variant != VariantBerolina
8213 && (board[fromY][fromX] == BlackPawn)
8214 && (board[toY][toX] == EmptySquare)) {
8215 board[fromY][fromX] = EmptySquare;
8216 board[toY][toX] = BlackPawn;
8217 captured = board[toY + 1][toX];
8218 board[toY + 1][toX] = EmptySquare;
8219 } else if ((fromY == 3)
8221 && gameInfo.variant == VariantBerolina
8222 && (board[fromY][fromX] == BlackPawn)
8223 && (board[toY][toX] == EmptySquare)) {
8224 board[fromY][fromX] = EmptySquare;
8225 board[toY][toX] = BlackPawn;
8226 if(oldEP & EP_BEROLIN_A) {
8227 captured = board[fromY][fromX-1];
8228 board[fromY][fromX-1] = EmptySquare;
8229 }else{ captured = board[fromY][fromX+1];
8230 board[fromY][fromX+1] = EmptySquare;
8233 board[toY][toX] = board[fromY][fromX];
8234 board[fromY][fromX] = EmptySquare;
8237 /* [HGM] now we promote for Shogi, if needed */
8238 if(gameInfo.variant == VariantShogi && promoChar == 'q')
8239 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8242 if (gameInfo.holdingsWidth != 0) {
8244 /* !!A lot more code needs to be written to support holdings */
8245 /* [HGM] OK, so I have written it. Holdings are stored in the */
8246 /* penultimate board files, so they are automaticlly stored */
8247 /* in the game history. */
8248 if (fromY == DROP_RANK) {
8249 /* Delete from holdings, by decreasing count */
8250 /* and erasing image if necessary */
8252 if(p < (int) BlackPawn) { /* white drop */
8253 p -= (int)WhitePawn;
8254 p = PieceToNumber((ChessSquare)p);
8255 if(p >= gameInfo.holdingsSize) p = 0;
8256 if(--board[p][BOARD_WIDTH-2] <= 0)
8257 board[p][BOARD_WIDTH-1] = EmptySquare;
8258 if((int)board[p][BOARD_WIDTH-2] < 0)
8259 board[p][BOARD_WIDTH-2] = 0;
8260 } else { /* black drop */
8261 p -= (int)BlackPawn;
8262 p = PieceToNumber((ChessSquare)p);
8263 if(p >= gameInfo.holdingsSize) p = 0;
8264 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8265 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8266 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8267 board[BOARD_HEIGHT-1-p][1] = 0;
8270 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8271 && gameInfo.variant != VariantBughouse ) {
8272 /* [HGM] holdings: Add to holdings, if holdings exist */
8273 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8274 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8275 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8278 if (p >= (int) BlackPawn) {
8279 p -= (int)BlackPawn;
8280 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8281 /* in Shogi restore piece to its original first */
8282 captured = (ChessSquare) (DEMOTED captured);
8285 p = PieceToNumber((ChessSquare)p);
8286 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8287 board[p][BOARD_WIDTH-2]++;
8288 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8290 p -= (int)WhitePawn;
8291 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8292 captured = (ChessSquare) (DEMOTED captured);
8295 p = PieceToNumber((ChessSquare)p);
8296 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8297 board[BOARD_HEIGHT-1-p][1]++;
8298 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8301 } else if (gameInfo.variant == VariantAtomic) {
8302 if (captured != EmptySquare) {
8304 for (y = toY-1; y <= toY+1; y++) {
8305 for (x = toX-1; x <= toX+1; x++) {
8306 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8307 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8308 board[y][x] = EmptySquare;
8312 board[toY][toX] = EmptySquare;
8315 if(gameInfo.variant == VariantShogi && promoChar != NULLCHAR && promoChar != '=') {
8316 /* [HGM] Shogi promotions */
8317 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8320 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8321 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8322 // [HGM] superchess: take promotion piece out of holdings
8323 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8324 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8325 if(!--board[k][BOARD_WIDTH-2])
8326 board[k][BOARD_WIDTH-1] = EmptySquare;
8328 if(!--board[BOARD_HEIGHT-1-k][1])
8329 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8335 /* Updates forwardMostMove */
8337 MakeMove(fromX, fromY, toX, toY, promoChar)
8338 int fromX, fromY, toX, toY;
8341 // forwardMostMove++; // [HGM] bare: moved downstream
8343 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8344 int timeLeft; static int lastLoadFlag=0; int king, piece;
8345 piece = boards[forwardMostMove][fromY][fromX];
8346 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8347 if(gameInfo.variant == VariantKnightmate)
8348 king += (int) WhiteUnicorn - (int) WhiteKing;
8349 if(forwardMostMove == 0) {
8351 fprintf(serverMoves, "%s;", second.tidy);
8352 fprintf(serverMoves, "%s;", first.tidy);
8353 if(!blackPlaysFirst)
8354 fprintf(serverMoves, "%s;", second.tidy);
8355 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8356 lastLoadFlag = loadFlag;
8358 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8359 // print castling suffix
8360 if( toY == fromY && piece == king ) {
8362 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8364 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8367 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8368 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8369 boards[forwardMostMove][toY][toX] == EmptySquare
8371 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8373 if(promoChar != NULLCHAR)
8374 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8376 fprintf(serverMoves, "/%d/%d",
8377 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8378 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8379 else timeLeft = blackTimeRemaining/1000;
8380 fprintf(serverMoves, "/%d", timeLeft);
8382 fflush(serverMoves);
8385 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8386 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8390 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8391 if (commentList[forwardMostMove+1] != NULL) {
8392 free(commentList[forwardMostMove+1]);
8393 commentList[forwardMostMove+1] = NULL;
8395 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8396 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8397 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8398 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8399 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8400 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8401 gameInfo.result = GameUnfinished;
8402 if (gameInfo.resultDetails != NULL) {
8403 free(gameInfo.resultDetails);
8404 gameInfo.resultDetails = NULL;
8406 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8407 moveList[forwardMostMove - 1]);
8408 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8409 PosFlags(forwardMostMove - 1),
8410 fromY, fromX, toY, toX, promoChar,
8411 parseList[forwardMostMove - 1]);
8412 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8418 if(gameInfo.variant != VariantShogi)
8419 strcat(parseList[forwardMostMove - 1], "+");
8423 strcat(parseList[forwardMostMove - 1], "#");
8426 if (appData.debugMode) {
8427 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8432 /* Updates currentMove if not pausing */
8434 ShowMove(fromX, fromY, toX, toY)
8436 int instant = (gameMode == PlayFromGameFile) ?
8437 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8438 if(appData.noGUI) return;
8439 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8441 if (forwardMostMove == currentMove + 1) {
8442 AnimateMove(boards[forwardMostMove - 1],
8443 fromX, fromY, toX, toY);
8445 if (appData.highlightLastMove) {
8446 SetHighlights(fromX, fromY, toX, toY);
8449 currentMove = forwardMostMove;
8452 if (instant) return;
8454 DisplayMove(currentMove - 1);
8455 DrawPosition(FALSE, boards[currentMove]);
8456 DisplayBothClocks();
8457 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8460 void SendEgtPath(ChessProgramState *cps)
8461 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8462 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8464 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8467 char c, *q = name+1, *r, *s;
8469 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8470 while(*p && *p != ',') *q++ = *p++;
8472 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8473 strcmp(name, ",nalimov:") == 0 ) {
8474 // take nalimov path from the menu-changeable option first, if it is defined
8475 sprintf(buf, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8476 SendToProgram(buf,cps); // send egtbpath command for nalimov
8478 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8479 (s = StrStr(appData.egtFormats, name)) != NULL) {
8480 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8481 s = r = StrStr(s, ":") + 1; // beginning of path info
8482 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8483 c = *r; *r = 0; // temporarily null-terminate path info
8484 *--q = 0; // strip of trailig ':' from name
8485 sprintf(buf, "egtpath %s %s\n", name+1, s);
8487 SendToProgram(buf,cps); // send egtbpath command for this format
8489 if(*p == ',') p++; // read away comma to position for next format name
8494 InitChessProgram(cps, setup)
8495 ChessProgramState *cps;
8496 int setup; /* [HGM] needed to setup FRC opening position */
8498 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8499 if (appData.noChessProgram) return;
8500 hintRequested = FALSE;
8501 bookRequested = FALSE;
8503 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8504 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8505 if(cps->memSize) { /* [HGM] memory */
8506 sprintf(buf, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8507 SendToProgram(buf, cps);
8509 SendEgtPath(cps); /* [HGM] EGT */
8510 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8511 sprintf(buf, "cores %d\n", appData.smpCores);
8512 SendToProgram(buf, cps);
8515 SendToProgram(cps->initString, cps);
8516 if (gameInfo.variant != VariantNormal &&
8517 gameInfo.variant != VariantLoadable
8518 /* [HGM] also send variant if board size non-standard */
8519 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8521 char *v = VariantName(gameInfo.variant);
8522 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8523 /* [HGM] in protocol 1 we have to assume all variants valid */
8524 sprintf(buf, _("Variant %s not supported by %s"), v, cps->tidy);
8525 DisplayFatalError(buf, 0, 1);
8529 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8530 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8531 if( gameInfo.variant == VariantXiangqi )
8532 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8533 if( gameInfo.variant == VariantShogi )
8534 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8535 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8536 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8537 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8538 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8539 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8540 if( gameInfo.variant == VariantCourier )
8541 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8542 if( gameInfo.variant == VariantSuper )
8543 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8544 if( gameInfo.variant == VariantGreat )
8545 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8548 sprintf(b, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8549 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8550 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8551 if(StrStr(cps->variants, b) == NULL) {
8552 // specific sized variant not known, check if general sizing allowed
8553 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8554 if(StrStr(cps->variants, "boardsize") == NULL) {
8555 sprintf(buf, "Board size %dx%d+%d not supported by %s",
8556 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8557 DisplayFatalError(buf, 0, 1);
8560 /* [HGM] here we really should compare with the maximum supported board size */
8563 } else sprintf(b, "%s", VariantName(gameInfo.variant));
8564 sprintf(buf, "variant %s\n", b);
8565 SendToProgram(buf, cps);
8567 currentlyInitializedVariant = gameInfo.variant;
8569 /* [HGM] send opening position in FRC to first engine */
8571 SendToProgram("force\n", cps);
8573 /* engine is now in force mode! Set flag to wake it up after first move. */
8574 setboardSpoiledMachineBlack = 1;
8578 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8579 SendToProgram(buf, cps);
8581 cps->maybeThinking = FALSE;
8582 cps->offeredDraw = 0;
8583 if (!appData.icsActive) {
8584 SendTimeControl(cps, movesPerSession, timeControl,
8585 timeIncrement, appData.searchDepth,
8588 if (appData.showThinking
8589 // [HGM] thinking: four options require thinking output to be sent
8590 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8592 SendToProgram("post\n", cps);
8594 SendToProgram("hard\n", cps);
8595 if (!appData.ponderNextMove) {
8596 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8597 it without being sure what state we are in first. "hard"
8598 is not a toggle, so that one is OK.
8600 SendToProgram("easy\n", cps);
8603 sprintf(buf, "ping %d\n", ++cps->lastPing);
8604 SendToProgram(buf, cps);
8606 cps->initDone = TRUE;
8611 StartChessProgram(cps)
8612 ChessProgramState *cps;
8617 if (appData.noChessProgram) return;
8618 cps->initDone = FALSE;
8620 if (strcmp(cps->host, "localhost") == 0) {
8621 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8622 } else if (*appData.remoteShell == NULLCHAR) {
8623 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8625 if (*appData.remoteUser == NULLCHAR) {
8626 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8629 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8630 cps->host, appData.remoteUser, cps->program);
8632 err = StartChildProcess(buf, "", &cps->pr);
8636 sprintf(buf, _("Startup failure on '%s'"), cps->program);
8637 DisplayFatalError(buf, err, 1);
8643 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
8644 if (cps->protocolVersion > 1) {
8645 sprintf(buf, "xboard\nprotover %d\n", cps->protocolVersion);
8646 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
8647 cps->comboCnt = 0; // and values of combo boxes
8648 SendToProgram(buf, cps);
8650 SendToProgram("xboard\n", cps);
8656 TwoMachinesEventIfReady P((void))
8658 if (first.lastPing != first.lastPong) {
8659 DisplayMessage("", _("Waiting for first chess program"));
8660 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8663 if (second.lastPing != second.lastPong) {
8664 DisplayMessage("", _("Waiting for second chess program"));
8665 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
8673 NextMatchGame P((void))
8675 int index; /* [HGM] autoinc: step load index during match */
8677 if (*appData.loadGameFile != NULLCHAR) {
8678 index = appData.loadGameIndex;
8679 if(index < 0) { // [HGM] autoinc
8680 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8681 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8683 LoadGameFromFile(appData.loadGameFile,
8685 appData.loadGameFile, FALSE);
8686 } else if (*appData.loadPositionFile != NULLCHAR) {
8687 index = appData.loadPositionIndex;
8688 if(index < 0) { // [HGM] autoinc
8689 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
8690 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
8692 LoadPositionFromFile(appData.loadPositionFile,
8694 appData.loadPositionFile);
8696 TwoMachinesEventIfReady();
8699 void UserAdjudicationEvent( int result )
8701 ChessMove gameResult = GameIsDrawn;
8704 gameResult = WhiteWins;
8706 else if( result < 0 ) {
8707 gameResult = BlackWins;
8710 if( gameMode == TwoMachinesPlay ) {
8711 GameEnds( gameResult, "User adjudication", GE_XBOARD );
8716 // [HGM] save: calculate checksum of game to make games easily identifiable
8717 int StringCheckSum(char *s)
8720 if(s==NULL) return 0;
8721 while(*s) i = i*259 + *s++;
8728 for(i=backwardMostMove; i<forwardMostMove; i++) {
8729 sum += pvInfoList[i].depth;
8730 sum += StringCheckSum(parseList[i]);
8731 sum += StringCheckSum(commentList[i]);
8734 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
8735 return sum + StringCheckSum(commentList[i]);
8736 } // end of save patch
8739 GameEnds(result, resultDetails, whosays)
8741 char *resultDetails;
8744 GameMode nextGameMode;
8748 if(endingGame) return; /* [HGM] crash: forbid recursion */
8751 if (appData.debugMode) {
8752 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
8753 result, resultDetails ? resultDetails : "(null)", whosays);
8756 fromX = fromY = -1; // [HGM] abort any move the user is entering.
8758 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
8759 /* If we are playing on ICS, the server decides when the
8760 game is over, but the engine can offer to draw, claim
8764 if (appData.zippyPlay && first.initDone) {
8765 if (result == GameIsDrawn) {
8766 /* In case draw still needs to be claimed */
8767 SendToICS(ics_prefix);
8768 SendToICS("draw\n");
8769 } else if (StrCaseStr(resultDetails, "resign")) {
8770 SendToICS(ics_prefix);
8771 SendToICS("resign\n");
8775 endingGame = 0; /* [HGM] crash */
8779 /* If we're loading the game from a file, stop */
8780 if (whosays == GE_FILE) {
8781 (void) StopLoadGameTimer();
8785 /* Cancel draw offers */
8786 first.offeredDraw = second.offeredDraw = 0;
8788 /* If this is an ICS game, only ICS can really say it's done;
8789 if not, anyone can. */
8790 isIcsGame = (gameMode == IcsPlayingWhite ||
8791 gameMode == IcsPlayingBlack ||
8792 gameMode == IcsObserving ||
8793 gameMode == IcsExamining);
8795 if (!isIcsGame || whosays == GE_ICS) {
8796 /* OK -- not an ICS game, or ICS said it was done */
8798 if (!isIcsGame && !appData.noChessProgram)
8799 SetUserThinkingEnables();
8801 /* [HGM] if a machine claims the game end we verify this claim */
8802 if(gameMode == TwoMachinesPlay && appData.testClaims) {
8803 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
8805 ChessMove trueResult = (ChessMove) -1;
8807 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
8808 first.twoMachinesColor[0] :
8809 second.twoMachinesColor[0] ;
8811 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
8812 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
8813 /* [HGM] verify: engine mate claims accepted if they were flagged */
8814 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
8816 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
8817 /* [HGM] verify: engine mate claims accepted if they were flagged */
8818 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8820 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
8821 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
8824 // now verify win claims, but not in drop games, as we don't understand those yet
8825 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
8826 || gameInfo.variant == VariantGreat) &&
8827 (result == WhiteWins && claimer == 'w' ||
8828 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
8829 if (appData.debugMode) {
8830 fprintf(debugFP, "result=%d sp=%d move=%d\n",
8831 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
8833 if(result != trueResult) {
8834 sprintf(buf, "False win claim: '%s'", resultDetails);
8835 result = claimer == 'w' ? BlackWins : WhiteWins;
8836 resultDetails = buf;
8839 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
8840 && (forwardMostMove <= backwardMostMove ||
8841 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
8842 (claimer=='b')==(forwardMostMove&1))
8844 /* [HGM] verify: draws that were not flagged are false claims */
8845 sprintf(buf, "False draw claim: '%s'", resultDetails);
8846 result = claimer == 'w' ? BlackWins : WhiteWins;
8847 resultDetails = buf;
8849 /* (Claiming a loss is accepted no questions asked!) */
8851 /* [HGM] bare: don't allow bare King to win */
8852 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8853 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
8854 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
8855 && result != GameIsDrawn)
8856 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
8857 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
8858 int p = (signed char)boards[forwardMostMove][i][j] - color;
8859 if(p >= 0 && p <= (int)WhiteKing) k++;
8861 if (appData.debugMode) {
8862 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
8863 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
8866 result = GameIsDrawn;
8867 sprintf(buf, "%s but bare king", resultDetails);
8868 resultDetails = buf;
8874 if(serverMoves != NULL && !loadFlag) { char c = '=';
8875 if(result==WhiteWins) c = '+';
8876 if(result==BlackWins) c = '-';
8877 if(resultDetails != NULL)
8878 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
8880 if (resultDetails != NULL) {
8881 gameInfo.result = result;
8882 gameInfo.resultDetails = StrSave(resultDetails);
8884 /* display last move only if game was not loaded from file */
8885 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
8886 DisplayMove(currentMove - 1);
8888 if (forwardMostMove != 0) {
8889 if (gameMode != PlayFromGameFile && gameMode != EditGame
8890 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
8892 if (*appData.saveGameFile != NULLCHAR) {
8893 SaveGameToFile(appData.saveGameFile, TRUE);
8894 } else if (appData.autoSaveGames) {
8897 if (*appData.savePositionFile != NULLCHAR) {
8898 SavePositionToFile(appData.savePositionFile);
8903 /* Tell program how game ended in case it is learning */
8904 /* [HGM] Moved this to after saving the PGN, just in case */
8905 /* engine died and we got here through time loss. In that */
8906 /* case we will get a fatal error writing the pipe, which */
8907 /* would otherwise lose us the PGN. */
8908 /* [HGM] crash: not needed anymore, but doesn't hurt; */
8909 /* output during GameEnds should never be fatal anymore */
8910 if (gameMode == MachinePlaysWhite ||
8911 gameMode == MachinePlaysBlack ||
8912 gameMode == TwoMachinesPlay ||
8913 gameMode == IcsPlayingWhite ||
8914 gameMode == IcsPlayingBlack ||
8915 gameMode == BeginningOfGame) {
8917 sprintf(buf, "result %s {%s}\n", PGNResult(result),
8919 if (first.pr != NoProc) {
8920 SendToProgram(buf, &first);
8922 if (second.pr != NoProc &&
8923 gameMode == TwoMachinesPlay) {
8924 SendToProgram(buf, &second);
8929 if (appData.icsActive) {
8930 if (appData.quietPlay &&
8931 (gameMode == IcsPlayingWhite ||
8932 gameMode == IcsPlayingBlack)) {
8933 SendToICS(ics_prefix);
8934 SendToICS("set shout 1\n");
8936 nextGameMode = IcsIdle;
8937 ics_user_moved = FALSE;
8938 /* clean up premove. It's ugly when the game has ended and the
8939 * premove highlights are still on the board.
8943 ClearPremoveHighlights();
8944 DrawPosition(FALSE, boards[currentMove]);
8946 if (whosays == GE_ICS) {
8949 if (gameMode == IcsPlayingWhite)
8951 else if(gameMode == IcsPlayingBlack)
8955 if (gameMode == IcsPlayingBlack)
8957 else if(gameMode == IcsPlayingWhite)
8964 PlayIcsUnfinishedSound();
8967 } else if (gameMode == EditGame ||
8968 gameMode == PlayFromGameFile ||
8969 gameMode == AnalyzeMode ||
8970 gameMode == AnalyzeFile) {
8971 nextGameMode = gameMode;
8973 nextGameMode = EndOfGame;
8978 nextGameMode = gameMode;
8981 if (appData.noChessProgram) {
8982 gameMode = nextGameMode;
8984 endingGame = 0; /* [HGM] crash */
8989 /* Put first chess program into idle state */
8990 if (first.pr != NoProc &&
8991 (gameMode == MachinePlaysWhite ||
8992 gameMode == MachinePlaysBlack ||
8993 gameMode == TwoMachinesPlay ||
8994 gameMode == IcsPlayingWhite ||
8995 gameMode == IcsPlayingBlack ||
8996 gameMode == BeginningOfGame)) {
8997 SendToProgram("force\n", &first);
8998 if (first.usePing) {
9000 sprintf(buf, "ping %d\n", ++first.lastPing);
9001 SendToProgram(buf, &first);
9004 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9005 /* Kill off first chess program */
9006 if (first.isr != NULL)
9007 RemoveInputSource(first.isr);
9010 if (first.pr != NoProc) {
9012 DoSleep( appData.delayBeforeQuit );
9013 SendToProgram("quit\n", &first);
9014 DoSleep( appData.delayAfterQuit );
9015 DestroyChildProcess(first.pr, first.useSigterm);
9020 /* Put second chess program into idle state */
9021 if (second.pr != NoProc &&
9022 gameMode == TwoMachinesPlay) {
9023 SendToProgram("force\n", &second);
9024 if (second.usePing) {
9026 sprintf(buf, "ping %d\n", ++second.lastPing);
9027 SendToProgram(buf, &second);
9030 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9031 /* Kill off second chess program */
9032 if (second.isr != NULL)
9033 RemoveInputSource(second.isr);
9036 if (second.pr != NoProc) {
9037 DoSleep( appData.delayBeforeQuit );
9038 SendToProgram("quit\n", &second);
9039 DoSleep( appData.delayAfterQuit );
9040 DestroyChildProcess(second.pr, second.useSigterm);
9045 if (matchMode && gameMode == TwoMachinesPlay) {
9048 if (first.twoMachinesColor[0] == 'w') {
9055 if (first.twoMachinesColor[0] == 'b') {
9064 if (matchGame < appData.matchGames) {
9066 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9067 tmp = first.twoMachinesColor;
9068 first.twoMachinesColor = second.twoMachinesColor;
9069 second.twoMachinesColor = tmp;
9071 gameMode = nextGameMode;
9073 if(appData.matchPause>10000 || appData.matchPause<10)
9074 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9075 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9076 endingGame = 0; /* [HGM] crash */
9080 gameMode = nextGameMode;
9081 sprintf(buf, _("Match %s vs. %s: final score %d-%d-%d"),
9082 first.tidy, second.tidy,
9083 first.matchWins, second.matchWins,
9084 appData.matchGames - (first.matchWins + second.matchWins));
9085 DisplayFatalError(buf, 0, 0);
9088 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9089 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9091 gameMode = nextGameMode;
9093 endingGame = 0; /* [HGM] crash */
9096 /* Assumes program was just initialized (initString sent).
9097 Leaves program in force mode. */
9099 FeedMovesToProgram(cps, upto)
9100 ChessProgramState *cps;
9105 if (appData.debugMode)
9106 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9107 startedFromSetupPosition ? "position and " : "",
9108 backwardMostMove, upto, cps->which);
9109 if(currentlyInitializedVariant != gameInfo.variant) { char buf[MSG_SIZ];
9110 // [HGM] variantswitch: make engine aware of new variant
9111 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9112 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9113 sprintf(buf, "variant %s\n", VariantName(gameInfo.variant));
9114 SendToProgram(buf, cps);
9115 currentlyInitializedVariant = gameInfo.variant;
9117 SendToProgram("force\n", cps);
9118 if (startedFromSetupPosition) {
9119 SendBoard(cps, backwardMostMove);
9120 if (appData.debugMode) {
9121 fprintf(debugFP, "feedMoves\n");
9124 for (i = backwardMostMove; i < upto; i++) {
9125 SendMoveToProgram(i, cps);
9131 ResurrectChessProgram()
9133 /* The chess program may have exited.
9134 If so, restart it and feed it all the moves made so far. */
9136 if (appData.noChessProgram || first.pr != NoProc) return;
9138 StartChessProgram(&first);
9139 InitChessProgram(&first, FALSE);
9140 FeedMovesToProgram(&first, currentMove);
9142 if (!first.sendTime) {
9143 /* can't tell gnuchess what its clock should read,
9144 so we bow to its notion. */
9146 timeRemaining[0][currentMove] = whiteTimeRemaining;
9147 timeRemaining[1][currentMove] = blackTimeRemaining;
9150 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9151 appData.icsEngineAnalyze) && first.analysisSupport) {
9152 SendToProgram("analyze\n", &first);
9153 first.analyzing = TRUE;
9166 if (appData.debugMode) {
9167 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9168 redraw, init, gameMode);
9170 CleanupTail(); // [HGM] vari: delete any stored variations
9171 pausing = pauseExamInvalid = FALSE;
9172 startedFromSetupPosition = blackPlaysFirst = FALSE;
9174 whiteFlag = blackFlag = FALSE;
9175 userOfferedDraw = FALSE;
9176 hintRequested = bookRequested = FALSE;
9177 first.maybeThinking = FALSE;
9178 second.maybeThinking = FALSE;
9179 first.bookSuspend = FALSE; // [HGM] book
9180 second.bookSuspend = FALSE;
9181 thinkOutput[0] = NULLCHAR;
9182 lastHint[0] = NULLCHAR;
9183 ClearGameInfo(&gameInfo);
9184 gameInfo.variant = StringToVariant(appData.variant);
9185 ics_user_moved = ics_clock_paused = FALSE;
9186 ics_getting_history = H_FALSE;
9188 white_holding[0] = black_holding[0] = NULLCHAR;
9189 ClearProgramStats();
9190 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9194 flipView = appData.flipView;
9195 ClearPremoveHighlights();
9197 alarmSounded = FALSE;
9199 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
9200 if(appData.serverMovesName != NULL) {
9201 /* [HGM] prepare to make moves file for broadcasting */
9202 clock_t t = clock();
9203 if(serverMoves != NULL) fclose(serverMoves);
9204 serverMoves = fopen(appData.serverMovesName, "r");
9205 if(serverMoves != NULL) {
9206 fclose(serverMoves);
9207 /* delay 15 sec before overwriting, so all clients can see end */
9208 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9210 serverMoves = fopen(appData.serverMovesName, "w");
9214 gameMode = BeginningOfGame;
9216 if(appData.icsActive) gameInfo.variant = VariantNormal;
9217 currentMove = forwardMostMove = backwardMostMove = 0;
9218 InitPosition(redraw);
9219 for (i = 0; i < MAX_MOVES; i++) {
9220 if (commentList[i] != NULL) {
9221 free(commentList[i]);
9222 commentList[i] = NULL;
9226 timeRemaining[0][0] = whiteTimeRemaining;
9227 timeRemaining[1][0] = blackTimeRemaining;
9228 if (first.pr == NULL) {
9229 StartChessProgram(&first);
9232 InitChessProgram(&first, startedFromSetupPosition);
9235 DisplayMessage("", "");
9236 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9237 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9244 if (!AutoPlayOneMove())
9246 if (matchMode || appData.timeDelay == 0)
9248 if (appData.timeDelay < 0 || gameMode == AnalyzeFile)
9250 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9259 int fromX, fromY, toX, toY;
9261 if (appData.debugMode) {
9262 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9265 if (gameMode != PlayFromGameFile)
9268 if (currentMove >= forwardMostMove) {
9269 gameMode = EditGame;
9272 /* [AS] Clear current move marker at the end of a game */
9273 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9278 toX = moveList[currentMove][2] - AAA;
9279 toY = moveList[currentMove][3] - ONE;
9281 if (moveList[currentMove][1] == '@') {
9282 if (appData.highlightLastMove) {
9283 SetHighlights(-1, -1, toX, toY);
9286 fromX = moveList[currentMove][0] - AAA;
9287 fromY = moveList[currentMove][1] - ONE;
9289 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9291 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9293 if (appData.highlightLastMove) {
9294 SetHighlights(fromX, fromY, toX, toY);
9297 DisplayMove(currentMove);
9298 SendMoveToProgram(currentMove++, &first);
9299 DisplayBothClocks();
9300 DrawPosition(FALSE, boards[currentMove]);
9301 // [HGM] PV info: always display, routine tests if empty
9302 DisplayComment(currentMove - 1, commentList[currentMove]);
9308 LoadGameOneMove(readAhead)
9309 ChessMove readAhead;
9311 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9312 char promoChar = NULLCHAR;
9317 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9318 gameMode != AnalyzeMode && gameMode != Training) {
9323 yyboardindex = forwardMostMove;
9324 if (readAhead != (ChessMove)0) {
9325 moveType = readAhead;
9327 if (gameFileFP == NULL)
9329 moveType = (ChessMove) yylex();
9335 if (appData.debugMode)
9336 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9339 /* append the comment but don't display it */
9340 AppendComment(currentMove, p, FALSE);
9343 case WhiteCapturesEnPassant:
9344 case BlackCapturesEnPassant:
9345 case WhitePromotionChancellor:
9346 case BlackPromotionChancellor:
9347 case WhitePromotionArchbishop:
9348 case BlackPromotionArchbishop:
9349 case WhitePromotionCentaur:
9350 case BlackPromotionCentaur:
9351 case WhitePromotionQueen:
9352 case BlackPromotionQueen:
9353 case WhitePromotionRook:
9354 case BlackPromotionRook:
9355 case WhitePromotionBishop:
9356 case BlackPromotionBishop:
9357 case WhitePromotionKnight:
9358 case BlackPromotionKnight:
9359 case WhitePromotionKing:
9360 case BlackPromotionKing:
9362 case WhiteKingSideCastle:
9363 case WhiteQueenSideCastle:
9364 case BlackKingSideCastle:
9365 case BlackQueenSideCastle:
9366 case WhiteKingSideCastleWild:
9367 case WhiteQueenSideCastleWild:
9368 case BlackKingSideCastleWild:
9369 case BlackQueenSideCastleWild:
9371 case WhiteHSideCastleFR:
9372 case WhiteASideCastleFR:
9373 case BlackHSideCastleFR:
9374 case BlackASideCastleFR:
9376 if (appData.debugMode)
9377 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9378 fromX = currentMoveString[0] - AAA;
9379 fromY = currentMoveString[1] - ONE;
9380 toX = currentMoveString[2] - AAA;
9381 toY = currentMoveString[3] - ONE;
9382 promoChar = currentMoveString[4];
9387 if (appData.debugMode)
9388 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9389 fromX = moveType == WhiteDrop ?
9390 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9391 (int) CharToPiece(ToLower(currentMoveString[0]));
9393 toX = currentMoveString[2] - AAA;
9394 toY = currentMoveString[3] - ONE;
9400 case GameUnfinished:
9401 if (appData.debugMode)
9402 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9403 p = strchr(yy_text, '{');
9404 if (p == NULL) p = strchr(yy_text, '(');
9407 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9409 q = strchr(p, *p == '{' ? '}' : ')');
9410 if (q != NULL) *q = NULLCHAR;
9413 GameEnds(moveType, p, GE_FILE);
9415 if (cmailMsgLoaded) {
9417 flipView = WhiteOnMove(currentMove);
9418 if (moveType == GameUnfinished) flipView = !flipView;
9419 if (appData.debugMode)
9420 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9424 case (ChessMove) 0: /* end of file */
9425 if (appData.debugMode)
9426 fprintf(debugFP, "Parser hit end of file\n");
9427 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9433 if (WhiteOnMove(currentMove)) {
9434 GameEnds(BlackWins, "Black mates", GE_FILE);
9436 GameEnds(WhiteWins, "White mates", GE_FILE);
9440 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9447 if (lastLoadGameStart == GNUChessGame) {
9448 /* GNUChessGames have numbers, but they aren't move numbers */
9449 if (appData.debugMode)
9450 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9451 yy_text, (int) moveType);
9452 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9454 /* else fall thru */
9459 /* Reached start of next game in file */
9460 if (appData.debugMode)
9461 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9462 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9468 if (WhiteOnMove(currentMove)) {
9469 GameEnds(BlackWins, "Black mates", GE_FILE);
9471 GameEnds(WhiteWins, "White mates", GE_FILE);
9475 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9481 case PositionDiagram: /* should not happen; ignore */
9482 case ElapsedTime: /* ignore */
9483 case NAG: /* ignore */
9484 if (appData.debugMode)
9485 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9486 yy_text, (int) moveType);
9487 return LoadGameOneMove((ChessMove)0); /* tail recursion */
9490 if (appData.testLegality) {
9491 if (appData.debugMode)
9492 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9493 sprintf(move, _("Illegal move: %d.%s%s"),
9494 (forwardMostMove / 2) + 1,
9495 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9496 DisplayError(move, 0);
9499 if (appData.debugMode)
9500 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9501 yy_text, currentMoveString);
9502 fromX = currentMoveString[0] - AAA;
9503 fromY = currentMoveString[1] - ONE;
9504 toX = currentMoveString[2] - AAA;
9505 toY = currentMoveString[3] - ONE;
9506 promoChar = currentMoveString[4];
9511 if (appData.debugMode)
9512 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9513 sprintf(move, _("Ambiguous move: %d.%s%s"),
9514 (forwardMostMove / 2) + 1,
9515 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9516 DisplayError(move, 0);
9521 case ImpossibleMove:
9522 if (appData.debugMode)
9523 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9524 sprintf(move, _("Illegal move: %d.%s%s"),
9525 (forwardMostMove / 2) + 1,
9526 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9527 DisplayError(move, 0);
9533 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9534 DrawPosition(FALSE, boards[currentMove]);
9535 DisplayBothClocks();
9536 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9537 DisplayComment(currentMove - 1, commentList[currentMove]);
9539 (void) StopLoadGameTimer();
9541 cmailOldMove = forwardMostMove;
9544 /* currentMoveString is set as a side-effect of yylex */
9545 strcat(currentMoveString, "\n");
9546 strcpy(moveList[forwardMostMove], currentMoveString);
9548 thinkOutput[0] = NULLCHAR;
9549 MakeMove(fromX, fromY, toX, toY, promoChar);
9550 currentMove = forwardMostMove;
9555 /* Load the nth game from the given file */
9557 LoadGameFromFile(filename, n, title, useList)
9561 /*Boolean*/ int useList;
9566 if (strcmp(filename, "-") == 0) {
9570 f = fopen(filename, "rb");
9572 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9573 DisplayError(buf, errno);
9577 if (fseek(f, 0, 0) == -1) {
9578 /* f is not seekable; probably a pipe */
9581 if (useList && n == 0) {
9582 int error = GameListBuild(f);
9584 DisplayError(_("Cannot build game list"), error);
9585 } else if (!ListEmpty(&gameList) &&
9586 ((ListGame *) gameList.tailPred)->number > 1) {
9587 GameListPopUp(f, title);
9594 return LoadGame(f, n, title, FALSE);
9599 MakeRegisteredMove()
9601 int fromX, fromY, toX, toY;
9603 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9604 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9607 if (appData.debugMode)
9608 fprintf(debugFP, "Restoring %s for game %d\n",
9609 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9611 thinkOutput[0] = NULLCHAR;
9612 strcpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1]);
9613 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9614 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9615 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9616 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9617 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9618 MakeMove(fromX, fromY, toX, toY, promoChar);
9619 ShowMove(fromX, fromY, toX, toY);
9621 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9628 if (WhiteOnMove(currentMove)) {
9629 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9631 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9636 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
9643 if (WhiteOnMove(currentMove)) {
9644 GameEnds(BlackWins, "White resigns", GE_PLAYER);
9646 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
9651 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
9662 /* Wrapper around LoadGame for use when a Cmail message is loaded */
9664 CmailLoadGame(f, gameNumber, title, useList)
9672 if (gameNumber > nCmailGames) {
9673 DisplayError(_("No more games in this message"), 0);
9676 if (f == lastLoadGameFP) {
9677 int offset = gameNumber - lastLoadGameNumber;
9679 cmailMsg[0] = NULLCHAR;
9680 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9681 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
9682 nCmailMovesRegistered--;
9684 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
9685 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
9686 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
9689 if (! RegisterMove()) return FALSE;
9693 retVal = LoadGame(f, gameNumber, title, useList);
9695 /* Make move registered during previous look at this game, if any */
9696 MakeRegisteredMove();
9698 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
9699 commentList[currentMove]
9700 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
9701 DisplayComment(currentMove - 1, commentList[currentMove]);
9707 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
9712 int gameNumber = lastLoadGameNumber + offset;
9713 if (lastLoadGameFP == NULL) {
9714 DisplayError(_("No game has been loaded yet"), 0);
9717 if (gameNumber <= 0) {
9718 DisplayError(_("Can't back up any further"), 0);
9721 if (cmailMsgLoaded) {
9722 return CmailLoadGame(lastLoadGameFP, gameNumber,
9723 lastLoadGameTitle, lastLoadGameUseList);
9725 return LoadGame(lastLoadGameFP, gameNumber,
9726 lastLoadGameTitle, lastLoadGameUseList);
9732 /* Load the nth game from open file f */
9734 LoadGame(f, gameNumber, title, useList)
9742 int gn = gameNumber;
9743 ListGame *lg = NULL;
9746 GameMode oldGameMode;
9747 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
9749 if (appData.debugMode)
9750 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
9752 if (gameMode == Training )
9753 SetTrainingModeOff();
9755 oldGameMode = gameMode;
9756 if (gameMode != BeginningOfGame) {
9761 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
9762 fclose(lastLoadGameFP);
9766 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
9769 fseek(f, lg->offset, 0);
9770 GameListHighlight(gameNumber);
9774 DisplayError(_("Game number out of range"), 0);
9779 if (fseek(f, 0, 0) == -1) {
9780 if (f == lastLoadGameFP ?
9781 gameNumber == lastLoadGameNumber + 1 :
9785 DisplayError(_("Can't seek on game file"), 0);
9791 lastLoadGameNumber = gameNumber;
9792 strcpy(lastLoadGameTitle, title);
9793 lastLoadGameUseList = useList;
9797 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
9798 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
9799 lg->gameInfo.black);
9801 } else if (*title != NULLCHAR) {
9802 if (gameNumber > 1) {
9803 sprintf(buf, "%s %d", title, gameNumber);
9806 DisplayTitle(title);
9810 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
9811 gameMode = PlayFromGameFile;
9815 currentMove = forwardMostMove = backwardMostMove = 0;
9816 CopyBoard(boards[0], initialPosition);
9820 * Skip the first gn-1 games in the file.
9821 * Also skip over anything that precedes an identifiable
9822 * start of game marker, to avoid being confused by
9823 * garbage at the start of the file. Currently
9824 * recognized start of game markers are the move number "1",
9825 * the pattern "gnuchess .* game", the pattern
9826 * "^[#;%] [^ ]* game file", and a PGN tag block.
9827 * A game that starts with one of the latter two patterns
9828 * will also have a move number 1, possibly
9829 * following a position diagram.
9830 * 5-4-02: Let's try being more lenient and allowing a game to
9831 * start with an unnumbered move. Does that break anything?
9833 cm = lastLoadGameStart = (ChessMove) 0;
9835 yyboardindex = forwardMostMove;
9836 cm = (ChessMove) yylex();
9839 if (cmailMsgLoaded) {
9840 nCmailGames = CMAIL_MAX_GAMES - gn;
9843 DisplayError(_("Game not found in file"), 0);
9850 lastLoadGameStart = cm;
9854 switch (lastLoadGameStart) {
9861 gn--; /* count this game */
9862 lastLoadGameStart = cm;
9871 switch (lastLoadGameStart) {
9876 gn--; /* count this game */
9877 lastLoadGameStart = cm;
9880 lastLoadGameStart = cm; /* game counted already */
9888 yyboardindex = forwardMostMove;
9889 cm = (ChessMove) yylex();
9890 } while (cm == PGNTag || cm == Comment);
9897 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
9898 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
9899 != CMAIL_OLD_RESULT) {
9901 cmailResult[ CMAIL_MAX_GAMES
9902 - gn - 1] = CMAIL_OLD_RESULT;
9908 /* Only a NormalMove can be at the start of a game
9909 * without a position diagram. */
9910 if (lastLoadGameStart == (ChessMove) 0) {
9912 lastLoadGameStart = MoveNumberOne;
9921 if (appData.debugMode)
9922 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
9924 if (cm == XBoardGame) {
9925 /* Skip any header junk before position diagram and/or move 1 */
9927 yyboardindex = forwardMostMove;
9928 cm = (ChessMove) yylex();
9930 if (cm == (ChessMove) 0 ||
9931 cm == GNUChessGame || cm == XBoardGame) {
9932 /* Empty game; pretend end-of-file and handle later */
9937 if (cm == MoveNumberOne || cm == PositionDiagram ||
9938 cm == PGNTag || cm == Comment)
9941 } else if (cm == GNUChessGame) {
9942 if (gameInfo.event != NULL) {
9943 free(gameInfo.event);
9945 gameInfo.event = StrSave(yy_text);
9948 startedFromSetupPosition = FALSE;
9949 while (cm == PGNTag) {
9950 if (appData.debugMode)
9951 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
9952 err = ParsePGNTag(yy_text, &gameInfo);
9953 if (!err) numPGNTags++;
9955 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
9956 if(gameInfo.variant != oldVariant) {
9957 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
9959 oldVariant = gameInfo.variant;
9960 if (appData.debugMode)
9961 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
9965 if (gameInfo.fen != NULL) {
9966 Board initial_position;
9967 startedFromSetupPosition = TRUE;
9968 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
9970 DisplayError(_("Bad FEN position in file"), 0);
9973 CopyBoard(boards[0], initial_position);
9974 if (blackPlaysFirst) {
9975 currentMove = forwardMostMove = backwardMostMove = 1;
9976 CopyBoard(boards[1], initial_position);
9977 strcpy(moveList[0], "");
9978 strcpy(parseList[0], "");
9979 timeRemaining[0][1] = whiteTimeRemaining;
9980 timeRemaining[1][1] = blackTimeRemaining;
9981 if (commentList[0] != NULL) {
9982 commentList[1] = commentList[0];
9983 commentList[0] = NULL;
9986 currentMove = forwardMostMove = backwardMostMove = 0;
9988 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
9990 initialRulePlies = FENrulePlies;
9991 for( i=0; i< nrCastlingRights; i++ )
9992 initialRights[i] = initial_position[CASTLING][i];
9994 yyboardindex = forwardMostMove;
9996 gameInfo.fen = NULL;
9999 yyboardindex = forwardMostMove;
10000 cm = (ChessMove) yylex();
10002 /* Handle comments interspersed among the tags */
10003 while (cm == Comment) {
10005 if (appData.debugMode)
10006 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10008 AppendComment(currentMove, p, FALSE);
10009 yyboardindex = forwardMostMove;
10010 cm = (ChessMove) yylex();
10014 /* don't rely on existence of Event tag since if game was
10015 * pasted from clipboard the Event tag may not exist
10017 if (numPGNTags > 0){
10019 if (gameInfo.variant == VariantNormal) {
10020 gameInfo.variant = StringToVariant(gameInfo.event);
10023 if( appData.autoDisplayTags ) {
10024 tags = PGNTags(&gameInfo);
10025 TagsPopUp(tags, CmailMsg());
10030 /* Make something up, but don't display it now */
10035 if (cm == PositionDiagram) {
10038 Board initial_position;
10040 if (appData.debugMode)
10041 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10043 if (!startedFromSetupPosition) {
10045 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10046 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10056 initial_position[i][j++] = CharToPiece(*p);
10059 while (*p == ' ' || *p == '\t' ||
10060 *p == '\n' || *p == '\r') p++;
10062 if (strncmp(p, "black", strlen("black"))==0)
10063 blackPlaysFirst = TRUE;
10065 blackPlaysFirst = FALSE;
10066 startedFromSetupPosition = TRUE;
10068 CopyBoard(boards[0], initial_position);
10069 if (blackPlaysFirst) {
10070 currentMove = forwardMostMove = backwardMostMove = 1;
10071 CopyBoard(boards[1], initial_position);
10072 strcpy(moveList[0], "");
10073 strcpy(parseList[0], "");
10074 timeRemaining[0][1] = whiteTimeRemaining;
10075 timeRemaining[1][1] = blackTimeRemaining;
10076 if (commentList[0] != NULL) {
10077 commentList[1] = commentList[0];
10078 commentList[0] = NULL;
10081 currentMove = forwardMostMove = backwardMostMove = 0;
10084 yyboardindex = forwardMostMove;
10085 cm = (ChessMove) yylex();
10088 if (first.pr == NoProc) {
10089 StartChessProgram(&first);
10091 InitChessProgram(&first, FALSE);
10092 SendToProgram("force\n", &first);
10093 if (startedFromSetupPosition) {
10094 SendBoard(&first, forwardMostMove);
10095 if (appData.debugMode) {
10096 fprintf(debugFP, "Load Game\n");
10098 DisplayBothClocks();
10101 /* [HGM] server: flag to write setup moves in broadcast file as one */
10102 loadFlag = appData.suppressLoadMoves;
10104 while (cm == Comment) {
10106 if (appData.debugMode)
10107 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10109 AppendComment(currentMove, p, FALSE);
10110 yyboardindex = forwardMostMove;
10111 cm = (ChessMove) yylex();
10114 if ((cm == (ChessMove) 0 && lastLoadGameStart != (ChessMove) 0) ||
10115 cm == WhiteWins || cm == BlackWins ||
10116 cm == GameIsDrawn || cm == GameUnfinished) {
10117 DisplayMessage("", _("No moves in game"));
10118 if (cmailMsgLoaded) {
10119 if (appData.debugMode)
10120 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10124 DrawPosition(FALSE, boards[currentMove]);
10125 DisplayBothClocks();
10126 gameMode = EditGame;
10133 // [HGM] PV info: routine tests if comment empty
10134 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10135 DisplayComment(currentMove - 1, commentList[currentMove]);
10137 if (!matchMode && appData.timeDelay != 0)
10138 DrawPosition(FALSE, boards[currentMove]);
10140 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10141 programStats.ok_to_send = 1;
10144 /* if the first token after the PGN tags is a move
10145 * and not move number 1, retrieve it from the parser
10147 if (cm != MoveNumberOne)
10148 LoadGameOneMove(cm);
10150 /* load the remaining moves from the file */
10151 while (LoadGameOneMove((ChessMove)0)) {
10152 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10153 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10156 /* rewind to the start of the game */
10157 currentMove = backwardMostMove;
10159 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10161 if (oldGameMode == AnalyzeFile ||
10162 oldGameMode == AnalyzeMode) {
10163 AnalyzeFileEvent();
10166 if (matchMode || appData.timeDelay == 0) {
10168 gameMode = EditGame;
10170 } else if (appData.timeDelay > 0) {
10171 AutoPlayGameLoop();
10174 if (appData.debugMode)
10175 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10177 loadFlag = 0; /* [HGM] true game starts */
10181 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10183 ReloadPosition(offset)
10186 int positionNumber = lastLoadPositionNumber + offset;
10187 if (lastLoadPositionFP == NULL) {
10188 DisplayError(_("No position has been loaded yet"), 0);
10191 if (positionNumber <= 0) {
10192 DisplayError(_("Can't back up any further"), 0);
10195 return LoadPosition(lastLoadPositionFP, positionNumber,
10196 lastLoadPositionTitle);
10199 /* Load the nth position from the given file */
10201 LoadPositionFromFile(filename, n, title)
10209 if (strcmp(filename, "-") == 0) {
10210 return LoadPosition(stdin, n, "stdin");
10212 f = fopen(filename, "rb");
10214 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10215 DisplayError(buf, errno);
10218 return LoadPosition(f, n, title);
10223 /* Load the nth position from the given open file, and close it */
10225 LoadPosition(f, positionNumber, title)
10227 int positionNumber;
10230 char *p, line[MSG_SIZ];
10231 Board initial_position;
10232 int i, j, fenMode, pn;
10234 if (gameMode == Training )
10235 SetTrainingModeOff();
10237 if (gameMode != BeginningOfGame) {
10238 Reset(FALSE, TRUE);
10240 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10241 fclose(lastLoadPositionFP);
10243 if (positionNumber == 0) positionNumber = 1;
10244 lastLoadPositionFP = f;
10245 lastLoadPositionNumber = positionNumber;
10246 strcpy(lastLoadPositionTitle, title);
10247 if (first.pr == NoProc) {
10248 StartChessProgram(&first);
10249 InitChessProgram(&first, FALSE);
10251 pn = positionNumber;
10252 if (positionNumber < 0) {
10253 /* Negative position number means to seek to that byte offset */
10254 if (fseek(f, -positionNumber, 0) == -1) {
10255 DisplayError(_("Can't seek on position file"), 0);
10260 if (fseek(f, 0, 0) == -1) {
10261 if (f == lastLoadPositionFP ?
10262 positionNumber == lastLoadPositionNumber + 1 :
10263 positionNumber == 1) {
10266 DisplayError(_("Can't seek on position file"), 0);
10271 /* See if this file is FEN or old-style xboard */
10272 if (fgets(line, MSG_SIZ, f) == NULL) {
10273 DisplayError(_("Position not found in file"), 0);
10276 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10277 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10280 if (fenMode || line[0] == '#') pn--;
10282 /* skip positions before number pn */
10283 if (fgets(line, MSG_SIZ, f) == NULL) {
10285 DisplayError(_("Position not found in file"), 0);
10288 if (fenMode || line[0] == '#') pn--;
10293 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10294 DisplayError(_("Bad FEN position in file"), 0);
10298 (void) fgets(line, MSG_SIZ, f);
10299 (void) fgets(line, MSG_SIZ, f);
10301 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10302 (void) fgets(line, MSG_SIZ, f);
10303 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10306 initial_position[i][j++] = CharToPiece(*p);
10310 blackPlaysFirst = FALSE;
10312 (void) fgets(line, MSG_SIZ, f);
10313 if (strncmp(line, "black", strlen("black"))==0)
10314 blackPlaysFirst = TRUE;
10317 startedFromSetupPosition = TRUE;
10319 SendToProgram("force\n", &first);
10320 CopyBoard(boards[0], initial_position);
10321 if (blackPlaysFirst) {
10322 currentMove = forwardMostMove = backwardMostMove = 1;
10323 strcpy(moveList[0], "");
10324 strcpy(parseList[0], "");
10325 CopyBoard(boards[1], initial_position);
10326 DisplayMessage("", _("Black to play"));
10328 currentMove = forwardMostMove = backwardMostMove = 0;
10329 DisplayMessage("", _("White to play"));
10331 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10332 SendBoard(&first, forwardMostMove);
10333 if (appData.debugMode) {
10335 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10336 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10337 fprintf(debugFP, "Load Position\n");
10340 if (positionNumber > 1) {
10341 sprintf(line, "%s %d", title, positionNumber);
10342 DisplayTitle(line);
10344 DisplayTitle(title);
10346 gameMode = EditGame;
10349 timeRemaining[0][1] = whiteTimeRemaining;
10350 timeRemaining[1][1] = blackTimeRemaining;
10351 DrawPosition(FALSE, boards[currentMove]);
10358 CopyPlayerNameIntoFileName(dest, src)
10361 while (*src != NULLCHAR && *src != ',') {
10366 *(*dest)++ = *src++;
10371 char *DefaultFileName(ext)
10374 static char def[MSG_SIZ];
10377 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10379 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10381 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10390 /* Save the current game to the given file */
10392 SaveGameToFile(filename, append)
10399 if (strcmp(filename, "-") == 0) {
10400 return SaveGame(stdout, 0, NULL);
10402 f = fopen(filename, append ? "a" : "w");
10404 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10405 DisplayError(buf, errno);
10408 return SaveGame(f, 0, NULL);
10417 static char buf[MSG_SIZ];
10420 p = strchr(str, ' ');
10421 if (p == NULL) return str;
10422 strncpy(buf, str, p - str);
10423 buf[p - str] = NULLCHAR;
10427 #define PGN_MAX_LINE 75
10429 #define PGN_SIDE_WHITE 0
10430 #define PGN_SIDE_BLACK 1
10433 static int FindFirstMoveOutOfBook( int side )
10437 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10438 int index = backwardMostMove;
10439 int has_book_hit = 0;
10441 if( (index % 2) != side ) {
10445 while( index < forwardMostMove ) {
10446 /* Check to see if engine is in book */
10447 int depth = pvInfoList[index].depth;
10448 int score = pvInfoList[index].score;
10454 else if( score == 0 && depth == 63 ) {
10455 in_book = 1; /* Zappa */
10457 else if( score == 2 && depth == 99 ) {
10458 in_book = 1; /* Abrok */
10461 has_book_hit += in_book;
10477 void GetOutOfBookInfo( char * buf )
10481 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10483 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10484 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10488 if( oob[0] >= 0 || oob[1] >= 0 ) {
10489 for( i=0; i<2; i++ ) {
10493 if( i > 0 && oob[0] >= 0 ) {
10494 strcat( buf, " " );
10497 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10498 sprintf( buf+strlen(buf), "%s%.2f",
10499 pvInfoList[idx].score >= 0 ? "+" : "",
10500 pvInfoList[idx].score / 100.0 );
10506 /* Save game in PGN style and close the file */
10511 int i, offset, linelen, newblock;
10515 int movelen, numlen, blank;
10516 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10518 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10520 tm = time((time_t *) NULL);
10522 PrintPGNTags(f, &gameInfo);
10524 if (backwardMostMove > 0 || startedFromSetupPosition) {
10525 char *fen = PositionToFEN(backwardMostMove, NULL);
10526 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10527 fprintf(f, "\n{--------------\n");
10528 PrintPosition(f, backwardMostMove);
10529 fprintf(f, "--------------}\n");
10533 /* [AS] Out of book annotation */
10534 if( appData.saveOutOfBookInfo ) {
10537 GetOutOfBookInfo( buf );
10539 if( buf[0] != '\0' ) {
10540 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10547 i = backwardMostMove;
10551 while (i < forwardMostMove) {
10552 /* Print comments preceding this move */
10553 if (commentList[i] != NULL) {
10554 if (linelen > 0) fprintf(f, "\n");
10555 fprintf(f, "%s", commentList[i]);
10560 /* Format move number */
10561 if ((i % 2) == 0) {
10562 sprintf(numtext, "%d.", (i - offset)/2 + 1);
10565 sprintf(numtext, "%d...", (i - offset)/2 + 1);
10567 numtext[0] = NULLCHAR;
10570 numlen = strlen(numtext);
10573 /* Print move number */
10574 blank = linelen > 0 && numlen > 0;
10575 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10584 fprintf(f, "%s", numtext);
10588 strcpy(move_buffer, SavePart(parseList[i])); // [HGM] pgn: print move via buffer, so it can be edited
10589 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10592 blank = linelen > 0 && movelen > 0;
10593 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10602 fprintf(f, "%s", move_buffer);
10603 linelen += movelen;
10605 /* [AS] Add PV info if present */
10606 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10607 /* [HGM] add time */
10608 char buf[MSG_SIZ]; int seconds;
10610 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10612 if( seconds <= 0) buf[0] = 0; else
10613 if( seconds < 30 ) sprintf(buf, " %3.1f%c", seconds/10., 0); else {
10614 seconds = (seconds + 4)/10; // round to full seconds
10615 if( seconds < 60 ) sprintf(buf, " %d%c", seconds, 0); else
10616 sprintf(buf, " %d:%02d%c", seconds/60, seconds%60, 0);
10619 sprintf( move_buffer, "{%s%.2f/%d%s}",
10620 pvInfoList[i].score >= 0 ? "+" : "",
10621 pvInfoList[i].score / 100.0,
10622 pvInfoList[i].depth,
10625 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10627 /* Print score/depth */
10628 blank = linelen > 0 && movelen > 0;
10629 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10638 fprintf(f, "%s", move_buffer);
10639 linelen += movelen;
10645 /* Start a new line */
10646 if (linelen > 0) fprintf(f, "\n");
10648 /* Print comments after last move */
10649 if (commentList[i] != NULL) {
10650 fprintf(f, "%s\n", commentList[i]);
10654 if (gameInfo.resultDetails != NULL &&
10655 gameInfo.resultDetails[0] != NULLCHAR) {
10656 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
10657 PGNResult(gameInfo.result));
10659 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10663 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10667 /* Save game in old style and close the file */
10669 SaveGameOldStyle(f)
10675 tm = time((time_t *) NULL);
10677 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
10680 if (backwardMostMove > 0 || startedFromSetupPosition) {
10681 fprintf(f, "\n[--------------\n");
10682 PrintPosition(f, backwardMostMove);
10683 fprintf(f, "--------------]\n");
10688 i = backwardMostMove;
10689 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10691 while (i < forwardMostMove) {
10692 if (commentList[i] != NULL) {
10693 fprintf(f, "[%s]\n", commentList[i]);
10696 if ((i % 2) == 1) {
10697 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
10700 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
10702 if (commentList[i] != NULL) {
10706 if (i >= forwardMostMove) {
10710 fprintf(f, "%s\n", parseList[i]);
10715 if (commentList[i] != NULL) {
10716 fprintf(f, "[%s]\n", commentList[i]);
10719 /* This isn't really the old style, but it's close enough */
10720 if (gameInfo.resultDetails != NULL &&
10721 gameInfo.resultDetails[0] != NULLCHAR) {
10722 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
10723 gameInfo.resultDetails);
10725 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
10732 /* Save the current game to open file f and close the file */
10734 SaveGame(f, dummy, dummy2)
10739 if (gameMode == EditPosition) EditPositionDone(TRUE);
10740 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
10741 if (appData.oldSaveStyle)
10742 return SaveGameOldStyle(f);
10744 return SaveGamePGN(f);
10747 /* Save the current position to the given file */
10749 SavePositionToFile(filename)
10755 if (strcmp(filename, "-") == 0) {
10756 return SavePosition(stdout, 0, NULL);
10758 f = fopen(filename, "a");
10760 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10761 DisplayError(buf, errno);
10764 SavePosition(f, 0, NULL);
10770 /* Save the current position to the given open file and close the file */
10772 SavePosition(f, dummy, dummy2)
10780 if (gameMode == EditPosition) EditPositionDone(TRUE);
10781 if (appData.oldSaveStyle) {
10782 tm = time((time_t *) NULL);
10784 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
10786 fprintf(f, "[--------------\n");
10787 PrintPosition(f, currentMove);
10788 fprintf(f, "--------------]\n");
10790 fen = PositionToFEN(currentMove, NULL);
10791 fprintf(f, "%s\n", fen);
10799 ReloadCmailMsgEvent(unregister)
10803 static char *inFilename = NULL;
10804 static char *outFilename;
10806 struct stat inbuf, outbuf;
10809 /* Any registered moves are unregistered if unregister is set, */
10810 /* i.e. invoked by the signal handler */
10812 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10813 cmailMoveRegistered[i] = FALSE;
10814 if (cmailCommentList[i] != NULL) {
10815 free(cmailCommentList[i]);
10816 cmailCommentList[i] = NULL;
10819 nCmailMovesRegistered = 0;
10822 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
10823 cmailResult[i] = CMAIL_NOT_RESULT;
10827 if (inFilename == NULL) {
10828 /* Because the filenames are static they only get malloced once */
10829 /* and they never get freed */
10830 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
10831 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
10833 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
10834 sprintf(outFilename, "%s.out", appData.cmailGameName);
10837 status = stat(outFilename, &outbuf);
10839 cmailMailedMove = FALSE;
10841 status = stat(inFilename, &inbuf);
10842 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
10845 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
10846 counts the games, notes how each one terminated, etc.
10848 It would be nice to remove this kludge and instead gather all
10849 the information while building the game list. (And to keep it
10850 in the game list nodes instead of having a bunch of fixed-size
10851 parallel arrays.) Note this will require getting each game's
10852 termination from the PGN tags, as the game list builder does
10853 not process the game moves. --mann
10855 cmailMsgLoaded = TRUE;
10856 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
10858 /* Load first game in the file or popup game menu */
10859 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
10861 #endif /* !WIN32 */
10869 char string[MSG_SIZ];
10871 if ( cmailMailedMove
10872 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
10873 return TRUE; /* Allow free viewing */
10876 /* Unregister move to ensure that we don't leave RegisterMove */
10877 /* with the move registered when the conditions for registering no */
10879 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10880 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10881 nCmailMovesRegistered --;
10883 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
10885 free(cmailCommentList[lastLoadGameNumber - 1]);
10886 cmailCommentList[lastLoadGameNumber - 1] = NULL;
10890 if (cmailOldMove == -1) {
10891 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
10895 if (currentMove > cmailOldMove + 1) {
10896 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
10900 if (currentMove < cmailOldMove) {
10901 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
10905 if (forwardMostMove > currentMove) {
10906 /* Silently truncate extra moves */
10910 if ( (currentMove == cmailOldMove + 1)
10911 || ( (currentMove == cmailOldMove)
10912 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
10913 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
10914 if (gameInfo.result != GameUnfinished) {
10915 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
10918 if (commentList[currentMove] != NULL) {
10919 cmailCommentList[lastLoadGameNumber - 1]
10920 = StrSave(commentList[currentMove]);
10922 strcpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1]);
10924 if (appData.debugMode)
10925 fprintf(debugFP, "Saving %s for game %d\n",
10926 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10929 "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
10931 f = fopen(string, "w");
10932 if (appData.oldSaveStyle) {
10933 SaveGameOldStyle(f); /* also closes the file */
10935 sprintf(string, "%s.pos.out", appData.cmailGameName);
10936 f = fopen(string, "w");
10937 SavePosition(f, 0, NULL); /* also closes the file */
10939 fprintf(f, "{--------------\n");
10940 PrintPosition(f, currentMove);
10941 fprintf(f, "--------------}\n\n");
10943 SaveGame(f, 0, NULL); /* also closes the file*/
10946 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
10947 nCmailMovesRegistered ++;
10948 } else if (nCmailGames == 1) {
10949 DisplayError(_("You have not made a move yet"), 0);
10960 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
10961 FILE *commandOutput;
10962 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
10963 int nBytes = 0; /* Suppress warnings on uninitialized variables */
10969 if (! cmailMsgLoaded) {
10970 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
10974 if (nCmailGames == nCmailResults) {
10975 DisplayError(_("No unfinished games"), 0);
10979 #if CMAIL_PROHIBIT_REMAIL
10980 if (cmailMailedMove) {
10981 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);
10982 DisplayError(msg, 0);
10987 if (! (cmailMailedMove || RegisterMove())) return;
10989 if ( cmailMailedMove
10990 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
10991 sprintf(string, partCommandString,
10992 appData.debugMode ? " -v" : "", appData.cmailGameName);
10993 commandOutput = popen(string, "r");
10995 if (commandOutput == NULL) {
10996 DisplayError(_("Failed to invoke cmail"), 0);
10998 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
10999 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11001 if (nBuffers > 1) {
11002 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11003 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11004 nBytes = MSG_SIZ - 1;
11006 (void) memcpy(msg, buffer, nBytes);
11008 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11010 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11011 cmailMailedMove = TRUE; /* Prevent >1 moves */
11014 for (i = 0; i < nCmailGames; i ++) {
11015 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11020 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11022 sprintf(buffer, "%s/%s.%s.archive",
11024 appData.cmailGameName,
11026 LoadGameFromFile(buffer, 1, buffer, FALSE);
11027 cmailMsgLoaded = FALSE;
11031 DisplayInformation(msg);
11032 pclose(commandOutput);
11035 if ((*cmailMsg) != '\0') {
11036 DisplayInformation(cmailMsg);
11041 #endif /* !WIN32 */
11050 int prependComma = 0;
11052 char string[MSG_SIZ]; /* Space for game-list */
11055 if (!cmailMsgLoaded) return "";
11057 if (cmailMailedMove) {
11058 sprintf(cmailMsg, _("Waiting for reply from opponent\n"));
11060 /* Create a list of games left */
11061 sprintf(string, "[");
11062 for (i = 0; i < nCmailGames; i ++) {
11063 if (! ( cmailMoveRegistered[i]
11064 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11065 if (prependComma) {
11066 sprintf(number, ",%d", i + 1);
11068 sprintf(number, "%d", i + 1);
11072 strcat(string, number);
11075 strcat(string, "]");
11077 if (nCmailMovesRegistered + nCmailResults == 0) {
11078 switch (nCmailGames) {
11081 _("Still need to make move for game\n"));
11086 _("Still need to make moves for both games\n"));
11091 _("Still need to make moves for all %d games\n"),
11096 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11099 _("Still need to make a move for game %s\n"),
11104 if (nCmailResults == nCmailGames) {
11105 sprintf(cmailMsg, _("No unfinished games\n"));
11107 sprintf(cmailMsg, _("Ready to send mail\n"));
11113 _("Still need to make moves for games %s\n"),
11125 if (gameMode == Training)
11126 SetTrainingModeOff();
11129 cmailMsgLoaded = FALSE;
11130 if (appData.icsActive) {
11131 SendToICS(ics_prefix);
11132 SendToICS("refresh\n");
11142 /* Give up on clean exit */
11146 /* Keep trying for clean exit */
11150 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11152 if (telnetISR != NULL) {
11153 RemoveInputSource(telnetISR);
11155 if (icsPR != NoProc) {
11156 DestroyChildProcess(icsPR, TRUE);
11159 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11160 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11162 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11163 /* make sure this other one finishes before killing it! */
11164 if(endingGame) { int count = 0;
11165 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11166 while(endingGame && count++ < 10) DoSleep(1);
11167 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11170 /* Kill off chess programs */
11171 if (first.pr != NoProc) {
11174 DoSleep( appData.delayBeforeQuit );
11175 SendToProgram("quit\n", &first);
11176 DoSleep( appData.delayAfterQuit );
11177 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11179 if (second.pr != NoProc) {
11180 DoSleep( appData.delayBeforeQuit );
11181 SendToProgram("quit\n", &second);
11182 DoSleep( appData.delayAfterQuit );
11183 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11185 if (first.isr != NULL) {
11186 RemoveInputSource(first.isr);
11188 if (second.isr != NULL) {
11189 RemoveInputSource(second.isr);
11192 ShutDownFrontEnd();
11199 if (appData.debugMode)
11200 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11204 if (gameMode == MachinePlaysWhite ||
11205 gameMode == MachinePlaysBlack) {
11208 DisplayBothClocks();
11210 if (gameMode == PlayFromGameFile) {
11211 if (appData.timeDelay >= 0)
11212 AutoPlayGameLoop();
11213 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11214 Reset(FALSE, TRUE);
11215 SendToICS(ics_prefix);
11216 SendToICS("refresh\n");
11217 } else if (currentMove < forwardMostMove) {
11218 ForwardInner(forwardMostMove);
11220 pauseExamInvalid = FALSE;
11222 switch (gameMode) {
11226 pauseExamForwardMostMove = forwardMostMove;
11227 pauseExamInvalid = FALSE;
11230 case IcsPlayingWhite:
11231 case IcsPlayingBlack:
11235 case PlayFromGameFile:
11236 (void) StopLoadGameTimer();
11240 case BeginningOfGame:
11241 if (appData.icsActive) return;
11242 /* else fall through */
11243 case MachinePlaysWhite:
11244 case MachinePlaysBlack:
11245 case TwoMachinesPlay:
11246 if (forwardMostMove == 0)
11247 return; /* don't pause if no one has moved */
11248 if ((gameMode == MachinePlaysWhite &&
11249 !WhiteOnMove(forwardMostMove)) ||
11250 (gameMode == MachinePlaysBlack &&
11251 WhiteOnMove(forwardMostMove))) {
11264 char title[MSG_SIZ];
11266 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11267 strcpy(title, _("Edit comment"));
11269 sprintf(title, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11270 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11271 parseList[currentMove - 1]);
11274 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11281 char *tags = PGNTags(&gameInfo);
11282 EditTagsPopUp(tags);
11289 if (appData.noChessProgram || gameMode == AnalyzeMode)
11292 if (gameMode != AnalyzeFile) {
11293 if (!appData.icsEngineAnalyze) {
11295 if (gameMode != EditGame) return;
11297 ResurrectChessProgram();
11298 SendToProgram("analyze\n", &first);
11299 first.analyzing = TRUE;
11300 /*first.maybeThinking = TRUE;*/
11301 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11302 EngineOutputPopUp();
11304 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11309 StartAnalysisClock();
11310 GetTimeMark(&lastNodeCountTime);
11317 if (appData.noChessProgram || gameMode == AnalyzeFile)
11320 if (gameMode != AnalyzeMode) {
11322 if (gameMode != EditGame) return;
11323 ResurrectChessProgram();
11324 SendToProgram("analyze\n", &first);
11325 first.analyzing = TRUE;
11326 /*first.maybeThinking = TRUE;*/
11327 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11328 EngineOutputPopUp();
11330 gameMode = AnalyzeFile;
11335 StartAnalysisClock();
11336 GetTimeMark(&lastNodeCountTime);
11341 MachineWhiteEvent()
11344 char *bookHit = NULL;
11346 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11350 if (gameMode == PlayFromGameFile ||
11351 gameMode == TwoMachinesPlay ||
11352 gameMode == Training ||
11353 gameMode == AnalyzeMode ||
11354 gameMode == EndOfGame)
11357 if (gameMode == EditPosition)
11358 EditPositionDone(TRUE);
11360 if (!WhiteOnMove(currentMove)) {
11361 DisplayError(_("It is not White's turn"), 0);
11365 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11368 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11369 gameMode == AnalyzeFile)
11372 ResurrectChessProgram(); /* in case it isn't running */
11373 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11374 gameMode = MachinePlaysWhite;
11377 gameMode = MachinePlaysWhite;
11381 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11383 if (first.sendName) {
11384 sprintf(buf, "name %s\n", gameInfo.black);
11385 SendToProgram(buf, &first);
11387 if (first.sendTime) {
11388 if (first.useColors) {
11389 SendToProgram("black\n", &first); /*gnu kludge*/
11391 SendTimeRemaining(&first, TRUE);
11393 if (first.useColors) {
11394 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11396 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11397 SetMachineThinkingEnables();
11398 first.maybeThinking = TRUE;
11402 if (appData.autoFlipView && !flipView) {
11403 flipView = !flipView;
11404 DrawPosition(FALSE, NULL);
11405 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11408 if(bookHit) { // [HGM] book: simulate book reply
11409 static char bookMove[MSG_SIZ]; // a bit generous?
11411 programStats.nodes = programStats.depth = programStats.time =
11412 programStats.score = programStats.got_only_move = 0;
11413 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11415 strcpy(bookMove, "move ");
11416 strcat(bookMove, bookHit);
11417 HandleMachineMove(bookMove, &first);
11422 MachineBlackEvent()
11425 char *bookHit = NULL;
11427 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11431 if (gameMode == PlayFromGameFile ||
11432 gameMode == TwoMachinesPlay ||
11433 gameMode == Training ||
11434 gameMode == AnalyzeMode ||
11435 gameMode == EndOfGame)
11438 if (gameMode == EditPosition)
11439 EditPositionDone(TRUE);
11441 if (WhiteOnMove(currentMove)) {
11442 DisplayError(_("It is not Black's turn"), 0);
11446 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11449 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11450 gameMode == AnalyzeFile)
11453 ResurrectChessProgram(); /* in case it isn't running */
11454 gameMode = MachinePlaysBlack;
11458 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11460 if (first.sendName) {
11461 sprintf(buf, "name %s\n", gameInfo.white);
11462 SendToProgram(buf, &first);
11464 if (first.sendTime) {
11465 if (first.useColors) {
11466 SendToProgram("white\n", &first); /*gnu kludge*/
11468 SendTimeRemaining(&first, FALSE);
11470 if (first.useColors) {
11471 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11473 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11474 SetMachineThinkingEnables();
11475 first.maybeThinking = TRUE;
11478 if (appData.autoFlipView && flipView) {
11479 flipView = !flipView;
11480 DrawPosition(FALSE, NULL);
11481 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11483 if(bookHit) { // [HGM] book: simulate book reply
11484 static char bookMove[MSG_SIZ]; // a bit generous?
11486 programStats.nodes = programStats.depth = programStats.time =
11487 programStats.score = programStats.got_only_move = 0;
11488 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11490 strcpy(bookMove, "move ");
11491 strcat(bookMove, bookHit);
11492 HandleMachineMove(bookMove, &first);
11498 DisplayTwoMachinesTitle()
11501 if (appData.matchGames > 0) {
11502 if (first.twoMachinesColor[0] == 'w') {
11503 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11504 gameInfo.white, gameInfo.black,
11505 first.matchWins, second.matchWins,
11506 matchGame - 1 - (first.matchWins + second.matchWins));
11508 sprintf(buf, "%s vs. %s (%d-%d-%d)",
11509 gameInfo.white, gameInfo.black,
11510 second.matchWins, first.matchWins,
11511 matchGame - 1 - (first.matchWins + second.matchWins));
11514 sprintf(buf, "%s vs. %s", gameInfo.white, gameInfo.black);
11520 TwoMachinesEvent P((void))
11524 ChessProgramState *onmove;
11525 char *bookHit = NULL;
11527 if (appData.noChessProgram) return;
11529 switch (gameMode) {
11530 case TwoMachinesPlay:
11532 case MachinePlaysWhite:
11533 case MachinePlaysBlack:
11534 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11535 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11539 case BeginningOfGame:
11540 case PlayFromGameFile:
11543 if (gameMode != EditGame) return;
11546 EditPositionDone(TRUE);
11557 // forwardMostMove = currentMove;
11558 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11559 ResurrectChessProgram(); /* in case first program isn't running */
11561 if (second.pr == NULL) {
11562 StartChessProgram(&second);
11563 if (second.protocolVersion == 1) {
11564 TwoMachinesEventIfReady();
11566 /* kludge: allow timeout for initial "feature" command */
11568 DisplayMessage("", _("Starting second chess program"));
11569 ScheduleDelayedEvent(TwoMachinesEventIfReady, FEATURE_TIMEOUT);
11573 DisplayMessage("", "");
11574 InitChessProgram(&second, FALSE);
11575 SendToProgram("force\n", &second);
11576 if (startedFromSetupPosition) {
11577 SendBoard(&second, backwardMostMove);
11578 if (appData.debugMode) {
11579 fprintf(debugFP, "Two Machines\n");
11582 for (i = backwardMostMove; i < forwardMostMove; i++) {
11583 SendMoveToProgram(i, &second);
11586 gameMode = TwoMachinesPlay;
11590 DisplayTwoMachinesTitle();
11592 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11598 SendToProgram(first.computerString, &first);
11599 if (first.sendName) {
11600 sprintf(buf, "name %s\n", second.tidy);
11601 SendToProgram(buf, &first);
11603 SendToProgram(second.computerString, &second);
11604 if (second.sendName) {
11605 sprintf(buf, "name %s\n", first.tidy);
11606 SendToProgram(buf, &second);
11610 if (!first.sendTime || !second.sendTime) {
11611 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11612 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11614 if (onmove->sendTime) {
11615 if (onmove->useColors) {
11616 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
11618 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
11620 if (onmove->useColors) {
11621 SendToProgram(onmove->twoMachinesColor, onmove);
11623 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
11624 // SendToProgram("go\n", onmove);
11625 onmove->maybeThinking = TRUE;
11626 SetMachineThinkingEnables();
11630 if(bookHit) { // [HGM] book: simulate book reply
11631 static char bookMove[MSG_SIZ]; // a bit generous?
11633 programStats.nodes = programStats.depth = programStats.time =
11634 programStats.score = programStats.got_only_move = 0;
11635 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11637 strcpy(bookMove, "move ");
11638 strcat(bookMove, bookHit);
11639 savedMessage = bookMove; // args for deferred call
11640 savedState = onmove;
11641 ScheduleDelayedEvent(DeferredBookMove, 1);
11648 if (gameMode == Training) {
11649 SetTrainingModeOff();
11650 gameMode = PlayFromGameFile;
11651 DisplayMessage("", _("Training mode off"));
11653 gameMode = Training;
11654 animateTraining = appData.animate;
11656 /* make sure we are not already at the end of the game */
11657 if (currentMove < forwardMostMove) {
11658 SetTrainingModeOn();
11659 DisplayMessage("", _("Training mode on"));
11661 gameMode = PlayFromGameFile;
11662 DisplayError(_("Already at end of game"), 0);
11671 if (!appData.icsActive) return;
11672 switch (gameMode) {
11673 case IcsPlayingWhite:
11674 case IcsPlayingBlack:
11677 case BeginningOfGame:
11685 EditPositionDone(TRUE);
11698 gameMode = IcsIdle;
11709 switch (gameMode) {
11711 SetTrainingModeOff();
11713 case MachinePlaysWhite:
11714 case MachinePlaysBlack:
11715 case BeginningOfGame:
11716 SendToProgram("force\n", &first);
11717 SetUserThinkingEnables();
11719 case PlayFromGameFile:
11720 (void) StopLoadGameTimer();
11721 if (gameFileFP != NULL) {
11726 EditPositionDone(TRUE);
11731 SendToProgram("force\n", &first);
11733 case TwoMachinesPlay:
11734 GameEnds((ChessMove) 0, NULL, GE_PLAYER);
11735 ResurrectChessProgram();
11736 SetUserThinkingEnables();
11739 ResurrectChessProgram();
11741 case IcsPlayingBlack:
11742 case IcsPlayingWhite:
11743 DisplayError(_("Warning: You are still playing a game"), 0);
11746 DisplayError(_("Warning: You are still observing a game"), 0);
11749 DisplayError(_("Warning: You are still examining a game"), 0);
11760 first.offeredDraw = second.offeredDraw = 0;
11762 if (gameMode == PlayFromGameFile) {
11763 whiteTimeRemaining = timeRemaining[0][currentMove];
11764 blackTimeRemaining = timeRemaining[1][currentMove];
11768 if (gameMode == MachinePlaysWhite ||
11769 gameMode == MachinePlaysBlack ||
11770 gameMode == TwoMachinesPlay ||
11771 gameMode == EndOfGame) {
11772 i = forwardMostMove;
11773 while (i > currentMove) {
11774 SendToProgram("undo\n", &first);
11777 whiteTimeRemaining = timeRemaining[0][currentMove];
11778 blackTimeRemaining = timeRemaining[1][currentMove];
11779 DisplayBothClocks();
11780 if (whiteFlag || blackFlag) {
11781 whiteFlag = blackFlag = 0;
11786 gameMode = EditGame;
11793 EditPositionEvent()
11795 if (gameMode == EditPosition) {
11801 if (gameMode != EditGame) return;
11803 gameMode = EditPosition;
11806 if (currentMove > 0)
11807 CopyBoard(boards[0], boards[currentMove]);
11809 blackPlaysFirst = !WhiteOnMove(currentMove);
11811 currentMove = forwardMostMove = backwardMostMove = 0;
11812 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11819 /* [DM] icsEngineAnalyze - possible call from other functions */
11820 if (appData.icsEngineAnalyze) {
11821 appData.icsEngineAnalyze = FALSE;
11823 DisplayMessage("",_("Close ICS engine analyze..."));
11825 if (first.analysisSupport && first.analyzing) {
11826 SendToProgram("exit\n", &first);
11827 first.analyzing = FALSE;
11829 thinkOutput[0] = NULLCHAR;
11833 EditPositionDone(Boolean fakeRights)
11835 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
11837 startedFromSetupPosition = TRUE;
11838 InitChessProgram(&first, FALSE);
11839 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
11840 boards[0][EP_STATUS] = EP_NONE;
11841 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
11842 if(boards[0][0][BOARD_WIDTH>>1] == king) {
11843 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
11844 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
11845 } else boards[0][CASTLING][2] = NoRights;
11846 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
11847 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
11848 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
11849 } else boards[0][CASTLING][5] = NoRights;
11851 SendToProgram("force\n", &first);
11852 if (blackPlaysFirst) {
11853 strcpy(moveList[0], "");
11854 strcpy(parseList[0], "");
11855 currentMove = forwardMostMove = backwardMostMove = 1;
11856 CopyBoard(boards[1], boards[0]);
11858 currentMove = forwardMostMove = backwardMostMove = 0;
11860 SendBoard(&first, forwardMostMove);
11861 if (appData.debugMode) {
11862 fprintf(debugFP, "EditPosDone\n");
11865 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11866 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11867 gameMode = EditGame;
11869 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11870 ClearHighlights(); /* [AS] */
11873 /* Pause for `ms' milliseconds */
11874 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11884 } while (SubtractTimeMarks(&m2, &m1) < ms);
11887 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
11889 SendMultiLineToICS(buf)
11892 char temp[MSG_SIZ+1], *p;
11899 strncpy(temp, buf, len);
11904 if (*p == '\n' || *p == '\r')
11909 strcat(temp, "\n");
11911 SendToPlayer(temp, strlen(temp));
11915 SetWhiteToPlayEvent()
11917 if (gameMode == EditPosition) {
11918 blackPlaysFirst = FALSE;
11919 DisplayBothClocks(); /* works because currentMove is 0 */
11920 } else if (gameMode == IcsExamining) {
11921 SendToICS(ics_prefix);
11922 SendToICS("tomove white\n");
11927 SetBlackToPlayEvent()
11929 if (gameMode == EditPosition) {
11930 blackPlaysFirst = TRUE;
11931 currentMove = 1; /* kludge */
11932 DisplayBothClocks();
11934 } else if (gameMode == IcsExamining) {
11935 SendToICS(ics_prefix);
11936 SendToICS("tomove black\n");
11941 EditPositionMenuEvent(selection, x, y)
11942 ChessSquare selection;
11946 ChessSquare piece = boards[0][y][x];
11948 if (gameMode != EditPosition && gameMode != IcsExamining) return;
11950 switch (selection) {
11952 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
11953 SendToICS(ics_prefix);
11954 SendToICS("bsetup clear\n");
11955 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
11956 SendToICS(ics_prefix);
11957 SendToICS("clearboard\n");
11959 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
11960 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
11961 for (y = 0; y < BOARD_HEIGHT; y++) {
11962 if (gameMode == IcsExamining) {
11963 if (boards[currentMove][y][x] != EmptySquare) {
11964 sprintf(buf, "%sx@%c%c\n", ics_prefix,
11969 boards[0][y][x] = p;
11974 if (gameMode == EditPosition) {
11975 DrawPosition(FALSE, boards[0]);
11980 SetWhiteToPlayEvent();
11984 SetBlackToPlayEvent();
11988 if (gameMode == IcsExamining) {
11989 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
11990 sprintf(buf, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
11993 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
11994 if(x == BOARD_LEFT-2) {
11995 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
11996 boards[0][y][1] = 0;
11998 if(x == BOARD_RGHT+1) {
11999 if(y >= gameInfo.holdingsSize) break;
12000 boards[0][y][BOARD_WIDTH-2] = 0;
12003 boards[0][y][x] = EmptySquare;
12004 DrawPosition(FALSE, boards[0]);
12009 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12010 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12011 selection = (ChessSquare) (PROMOTED piece);
12012 } else if(piece == EmptySquare) selection = WhiteSilver;
12013 else selection = (ChessSquare)((int)piece - 1);
12017 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12018 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12019 selection = (ChessSquare) (DEMOTED piece);
12020 } else if(piece == EmptySquare) selection = BlackSilver;
12021 else selection = (ChessSquare)((int)piece + 1);
12026 if(gameInfo.variant == VariantShatranj ||
12027 gameInfo.variant == VariantXiangqi ||
12028 gameInfo.variant == VariantCourier ||
12029 gameInfo.variant == VariantMakruk )
12030 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12035 if(gameInfo.variant == VariantXiangqi)
12036 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12037 if(gameInfo.variant == VariantKnightmate)
12038 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12041 if (gameMode == IcsExamining) {
12042 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12043 sprintf(buf, "%s%c@%c%c\n", ics_prefix,
12044 PieceToChar(selection), AAA + x, ONE + y);
12047 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12049 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12050 n = PieceToNumber(selection - BlackPawn);
12051 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12052 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12053 boards[0][BOARD_HEIGHT-1-n][1]++;
12055 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12056 n = PieceToNumber(selection);
12057 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12058 boards[0][n][BOARD_WIDTH-1] = selection;
12059 boards[0][n][BOARD_WIDTH-2]++;
12062 boards[0][y][x] = selection;
12063 DrawPosition(TRUE, boards[0]);
12071 DropMenuEvent(selection, x, y)
12072 ChessSquare selection;
12075 ChessMove moveType;
12077 switch (gameMode) {
12078 case IcsPlayingWhite:
12079 case MachinePlaysBlack:
12080 if (!WhiteOnMove(currentMove)) {
12081 DisplayMoveError(_("It is Black's turn"));
12084 moveType = WhiteDrop;
12086 case IcsPlayingBlack:
12087 case MachinePlaysWhite:
12088 if (WhiteOnMove(currentMove)) {
12089 DisplayMoveError(_("It is White's turn"));
12092 moveType = BlackDrop;
12095 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12101 if (moveType == BlackDrop && selection < BlackPawn) {
12102 selection = (ChessSquare) ((int) selection
12103 + (int) BlackPawn - (int) WhitePawn);
12105 if (boards[currentMove][y][x] != EmptySquare) {
12106 DisplayMoveError(_("That square is occupied"));
12110 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12116 /* Accept a pending offer of any kind from opponent */
12118 if (appData.icsActive) {
12119 SendToICS(ics_prefix);
12120 SendToICS("accept\n");
12121 } else if (cmailMsgLoaded) {
12122 if (currentMove == cmailOldMove &&
12123 commentList[cmailOldMove] != NULL &&
12124 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12125 "Black offers a draw" : "White offers a draw")) {
12127 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12128 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12130 DisplayError(_("There is no pending offer on this move"), 0);
12131 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12134 /* Not used for offers from chess program */
12141 /* Decline a pending offer of any kind from opponent */
12143 if (appData.icsActive) {
12144 SendToICS(ics_prefix);
12145 SendToICS("decline\n");
12146 } else if (cmailMsgLoaded) {
12147 if (currentMove == cmailOldMove &&
12148 commentList[cmailOldMove] != NULL &&
12149 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12150 "Black offers a draw" : "White offers a draw")) {
12152 AppendComment(cmailOldMove, "Draw declined", TRUE);
12153 DisplayComment(cmailOldMove - 1, "Draw declined");
12156 DisplayError(_("There is no pending offer on this move"), 0);
12159 /* Not used for offers from chess program */
12166 /* Issue ICS rematch command */
12167 if (appData.icsActive) {
12168 SendToICS(ics_prefix);
12169 SendToICS("rematch\n");
12176 /* Call your opponent's flag (claim a win on time) */
12177 if (appData.icsActive) {
12178 SendToICS(ics_prefix);
12179 SendToICS("flag\n");
12181 switch (gameMode) {
12184 case MachinePlaysWhite:
12187 GameEnds(GameIsDrawn, "Both players ran out of time",
12190 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12192 DisplayError(_("Your opponent is not out of time"), 0);
12195 case MachinePlaysBlack:
12198 GameEnds(GameIsDrawn, "Both players ran out of time",
12201 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12203 DisplayError(_("Your opponent is not out of time"), 0);
12213 /* Offer draw or accept pending draw offer from opponent */
12215 if (appData.icsActive) {
12216 /* Note: tournament rules require draw offers to be
12217 made after you make your move but before you punch
12218 your clock. Currently ICS doesn't let you do that;
12219 instead, you immediately punch your clock after making
12220 a move, but you can offer a draw at any time. */
12222 SendToICS(ics_prefix);
12223 SendToICS("draw\n");
12224 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12225 } else if (cmailMsgLoaded) {
12226 if (currentMove == cmailOldMove &&
12227 commentList[cmailOldMove] != NULL &&
12228 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12229 "Black offers a draw" : "White offers a draw")) {
12230 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12231 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12232 } else if (currentMove == cmailOldMove + 1) {
12233 char *offer = WhiteOnMove(cmailOldMove) ?
12234 "White offers a draw" : "Black offers a draw";
12235 AppendComment(currentMove, offer, TRUE);
12236 DisplayComment(currentMove - 1, offer);
12237 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12239 DisplayError(_("You must make your move before offering a draw"), 0);
12240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12242 } else if (first.offeredDraw) {
12243 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12245 if (first.sendDrawOffers) {
12246 SendToProgram("draw\n", &first);
12247 userOfferedDraw = TRUE;
12255 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12257 if (appData.icsActive) {
12258 SendToICS(ics_prefix);
12259 SendToICS("adjourn\n");
12261 /* Currently GNU Chess doesn't offer or accept Adjourns */
12269 /* Offer Abort or accept pending Abort offer from opponent */
12271 if (appData.icsActive) {
12272 SendToICS(ics_prefix);
12273 SendToICS("abort\n");
12275 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12282 /* Resign. You can do this even if it's not your turn. */
12284 if (appData.icsActive) {
12285 SendToICS(ics_prefix);
12286 SendToICS("resign\n");
12288 switch (gameMode) {
12289 case MachinePlaysWhite:
12290 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12292 case MachinePlaysBlack:
12293 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12296 if (cmailMsgLoaded) {
12298 if (WhiteOnMove(cmailOldMove)) {
12299 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12301 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12303 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12314 StopObservingEvent()
12316 /* Stop observing current games */
12317 SendToICS(ics_prefix);
12318 SendToICS("unobserve\n");
12322 StopExaminingEvent()
12324 /* Stop observing current game */
12325 SendToICS(ics_prefix);
12326 SendToICS("unexamine\n");
12330 ForwardInner(target)
12335 if (appData.debugMode)
12336 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12337 target, currentMove, forwardMostMove);
12339 if (gameMode == EditPosition)
12342 if (gameMode == PlayFromGameFile && !pausing)
12345 if (gameMode == IcsExamining && pausing)
12346 limit = pauseExamForwardMostMove;
12348 limit = forwardMostMove;
12350 if (target > limit) target = limit;
12352 if (target > 0 && moveList[target - 1][0]) {
12353 int fromX, fromY, toX, toY;
12354 toX = moveList[target - 1][2] - AAA;
12355 toY = moveList[target - 1][3] - ONE;
12356 if (moveList[target - 1][1] == '@') {
12357 if (appData.highlightLastMove) {
12358 SetHighlights(-1, -1, toX, toY);
12361 fromX = moveList[target - 1][0] - AAA;
12362 fromY = moveList[target - 1][1] - ONE;
12363 if (target == currentMove + 1) {
12364 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12366 if (appData.highlightLastMove) {
12367 SetHighlights(fromX, fromY, toX, toY);
12371 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12372 gameMode == Training || gameMode == PlayFromGameFile ||
12373 gameMode == AnalyzeFile) {
12374 while (currentMove < target) {
12375 SendMoveToProgram(currentMove++, &first);
12378 currentMove = target;
12381 if (gameMode == EditGame || gameMode == EndOfGame) {
12382 whiteTimeRemaining = timeRemaining[0][currentMove];
12383 blackTimeRemaining = timeRemaining[1][currentMove];
12385 DisplayBothClocks();
12386 DisplayMove(currentMove - 1);
12387 DrawPosition(FALSE, boards[currentMove]);
12388 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12389 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12390 DisplayComment(currentMove - 1, commentList[currentMove]);
12398 if (gameMode == IcsExamining && !pausing) {
12399 SendToICS(ics_prefix);
12400 SendToICS("forward\n");
12402 ForwardInner(currentMove + 1);
12409 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12410 /* to optimze, we temporarily turn off analysis mode while we feed
12411 * the remaining moves to the engine. Otherwise we get analysis output
12414 if (first.analysisSupport) {
12415 SendToProgram("exit\nforce\n", &first);
12416 first.analyzing = FALSE;
12420 if (gameMode == IcsExamining && !pausing) {
12421 SendToICS(ics_prefix);
12422 SendToICS("forward 999999\n");
12424 ForwardInner(forwardMostMove);
12427 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12428 /* we have fed all the moves, so reactivate analysis mode */
12429 SendToProgram("analyze\n", &first);
12430 first.analyzing = TRUE;
12431 /*first.maybeThinking = TRUE;*/
12432 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12437 BackwardInner(target)
12440 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12442 if (appData.debugMode)
12443 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12444 target, currentMove, forwardMostMove);
12446 if (gameMode == EditPosition) return;
12447 if (currentMove <= backwardMostMove) {
12449 DrawPosition(full_redraw, boards[currentMove]);
12452 if (gameMode == PlayFromGameFile && !pausing)
12455 if (moveList[target][0]) {
12456 int fromX, fromY, toX, toY;
12457 toX = moveList[target][2] - AAA;
12458 toY = moveList[target][3] - ONE;
12459 if (moveList[target][1] == '@') {
12460 if (appData.highlightLastMove) {
12461 SetHighlights(-1, -1, toX, toY);
12464 fromX = moveList[target][0] - AAA;
12465 fromY = moveList[target][1] - ONE;
12466 if (target == currentMove - 1) {
12467 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12469 if (appData.highlightLastMove) {
12470 SetHighlights(fromX, fromY, toX, toY);
12474 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12475 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12476 while (currentMove > target) {
12477 SendToProgram("undo\n", &first);
12481 currentMove = target;
12484 if (gameMode == EditGame || gameMode == EndOfGame) {
12485 whiteTimeRemaining = timeRemaining[0][currentMove];
12486 blackTimeRemaining = timeRemaining[1][currentMove];
12488 DisplayBothClocks();
12489 DisplayMove(currentMove - 1);
12490 DrawPosition(full_redraw, boards[currentMove]);
12491 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12492 // [HGM] PV info: routine tests if comment empty
12493 DisplayComment(currentMove - 1, commentList[currentMove]);
12499 if (gameMode == IcsExamining && !pausing) {
12500 SendToICS(ics_prefix);
12501 SendToICS("backward\n");
12503 BackwardInner(currentMove - 1);
12510 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12511 /* to optimize, we temporarily turn off analysis mode while we undo
12512 * all the moves. Otherwise we get analysis output after each undo.
12514 if (first.analysisSupport) {
12515 SendToProgram("exit\nforce\n", &first);
12516 first.analyzing = FALSE;
12520 if (gameMode == IcsExamining && !pausing) {
12521 SendToICS(ics_prefix);
12522 SendToICS("backward 999999\n");
12524 BackwardInner(backwardMostMove);
12527 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12528 /* we have fed all the moves, so reactivate analysis mode */
12529 SendToProgram("analyze\n", &first);
12530 first.analyzing = TRUE;
12531 /*first.maybeThinking = TRUE;*/
12532 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12539 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12540 if (to >= forwardMostMove) to = forwardMostMove;
12541 if (to <= backwardMostMove) to = backwardMostMove;
12542 if (to < currentMove) {
12552 if(PopTail(TRUE)) { // [HGM] vari: restore old game tail
12555 if (gameMode != IcsExamining) {
12556 DisplayError(_("You are not examining a game"), 0);
12560 DisplayError(_("You can't revert while pausing"), 0);
12563 SendToICS(ics_prefix);
12564 SendToICS("revert\n");
12570 switch (gameMode) {
12571 case MachinePlaysWhite:
12572 case MachinePlaysBlack:
12573 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12574 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12577 if (forwardMostMove < 2) return;
12578 currentMove = forwardMostMove = forwardMostMove - 2;
12579 whiteTimeRemaining = timeRemaining[0][currentMove];
12580 blackTimeRemaining = timeRemaining[1][currentMove];
12581 DisplayBothClocks();
12582 DisplayMove(currentMove - 1);
12583 ClearHighlights();/*!! could figure this out*/
12584 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12585 SendToProgram("remove\n", &first);
12586 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12589 case BeginningOfGame:
12593 case IcsPlayingWhite:
12594 case IcsPlayingBlack:
12595 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12596 SendToICS(ics_prefix);
12597 SendToICS("takeback 2\n");
12599 SendToICS(ics_prefix);
12600 SendToICS("takeback 1\n");
12609 ChessProgramState *cps;
12611 switch (gameMode) {
12612 case MachinePlaysWhite:
12613 if (!WhiteOnMove(forwardMostMove)) {
12614 DisplayError(_("It is your turn"), 0);
12619 case MachinePlaysBlack:
12620 if (WhiteOnMove(forwardMostMove)) {
12621 DisplayError(_("It is your turn"), 0);
12626 case TwoMachinesPlay:
12627 if (WhiteOnMove(forwardMostMove) ==
12628 (first.twoMachinesColor[0] == 'w')) {
12634 case BeginningOfGame:
12638 SendToProgram("?\n", cps);
12642 TruncateGameEvent()
12645 if (gameMode != EditGame) return;
12652 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
12653 if (forwardMostMove > currentMove) {
12654 if (gameInfo.resultDetails != NULL) {
12655 free(gameInfo.resultDetails);
12656 gameInfo.resultDetails = NULL;
12657 gameInfo.result = GameUnfinished;
12659 forwardMostMove = currentMove;
12660 HistorySet(parseList, backwardMostMove, forwardMostMove,
12668 if (appData.noChessProgram) return;
12669 switch (gameMode) {
12670 case MachinePlaysWhite:
12671 if (WhiteOnMove(forwardMostMove)) {
12672 DisplayError(_("Wait until your turn"), 0);
12676 case BeginningOfGame:
12677 case MachinePlaysBlack:
12678 if (!WhiteOnMove(forwardMostMove)) {
12679 DisplayError(_("Wait until your turn"), 0);
12684 DisplayError(_("No hint available"), 0);
12687 SendToProgram("hint\n", &first);
12688 hintRequested = TRUE;
12694 if (appData.noChessProgram) return;
12695 switch (gameMode) {
12696 case MachinePlaysWhite:
12697 if (WhiteOnMove(forwardMostMove)) {
12698 DisplayError(_("Wait until your turn"), 0);
12702 case BeginningOfGame:
12703 case MachinePlaysBlack:
12704 if (!WhiteOnMove(forwardMostMove)) {
12705 DisplayError(_("Wait until your turn"), 0);
12710 EditPositionDone(TRUE);
12712 case TwoMachinesPlay:
12717 SendToProgram("bk\n", &first);
12718 bookOutput[0] = NULLCHAR;
12719 bookRequested = TRUE;
12725 char *tags = PGNTags(&gameInfo);
12726 TagsPopUp(tags, CmailMsg());
12730 /* end button procedures */
12733 PrintPosition(fp, move)
12739 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12740 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
12741 char c = PieceToChar(boards[move][i][j]);
12742 fputc(c == 'x' ? '.' : c, fp);
12743 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
12746 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
12747 fprintf(fp, "white to play\n");
12749 fprintf(fp, "black to play\n");
12756 if (gameInfo.white != NULL) {
12757 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
12763 /* Find last component of program's own name, using some heuristics */
12765 TidyProgramName(prog, host, buf)
12766 char *prog, *host, buf[MSG_SIZ];
12769 int local = (strcmp(host, "localhost") == 0);
12770 while (!local && (p = strchr(prog, ';')) != NULL) {
12772 while (*p == ' ') p++;
12775 if (*prog == '"' || *prog == '\'') {
12776 q = strchr(prog + 1, *prog);
12778 q = strchr(prog, ' ');
12780 if (q == NULL) q = prog + strlen(prog);
12782 while (p >= prog && *p != '/' && *p != '\\') p--;
12784 if(p == prog && *p == '"') p++;
12785 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
12786 memcpy(buf, p, q - p);
12787 buf[q - p] = NULLCHAR;
12795 TimeControlTagValue()
12798 if (!appData.clockMode) {
12800 } else if (movesPerSession > 0) {
12801 sprintf(buf, "%d/%ld", movesPerSession, timeControl/1000);
12802 } else if (timeIncrement == 0) {
12803 sprintf(buf, "%ld", timeControl/1000);
12805 sprintf(buf, "%ld+%ld", timeControl/1000, timeIncrement/1000);
12807 return StrSave(buf);
12813 /* This routine is used only for certain modes */
12814 VariantClass v = gameInfo.variant;
12815 ChessMove r = GameUnfinished;
12818 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
12819 r = gameInfo.result;
12820 p = gameInfo.resultDetails;
12821 gameInfo.resultDetails = NULL;
12823 ClearGameInfo(&gameInfo);
12824 gameInfo.variant = v;
12826 switch (gameMode) {
12827 case MachinePlaysWhite:
12828 gameInfo.event = StrSave( appData.pgnEventHeader );
12829 gameInfo.site = StrSave(HostName());
12830 gameInfo.date = PGNDate();
12831 gameInfo.round = StrSave("-");
12832 gameInfo.white = StrSave(first.tidy);
12833 gameInfo.black = StrSave(UserName());
12834 gameInfo.timeControl = TimeControlTagValue();
12837 case MachinePlaysBlack:
12838 gameInfo.event = StrSave( appData.pgnEventHeader );
12839 gameInfo.site = StrSave(HostName());
12840 gameInfo.date = PGNDate();
12841 gameInfo.round = StrSave("-");
12842 gameInfo.white = StrSave(UserName());
12843 gameInfo.black = StrSave(first.tidy);
12844 gameInfo.timeControl = TimeControlTagValue();
12847 case TwoMachinesPlay:
12848 gameInfo.event = StrSave( appData.pgnEventHeader );
12849 gameInfo.site = StrSave(HostName());
12850 gameInfo.date = PGNDate();
12851 if (matchGame > 0) {
12853 sprintf(buf, "%d", matchGame);
12854 gameInfo.round = StrSave(buf);
12856 gameInfo.round = StrSave("-");
12858 if (first.twoMachinesColor[0] == 'w') {
12859 gameInfo.white = StrSave(first.tidy);
12860 gameInfo.black = StrSave(second.tidy);
12862 gameInfo.white = StrSave(second.tidy);
12863 gameInfo.black = StrSave(first.tidy);
12865 gameInfo.timeControl = TimeControlTagValue();
12869 gameInfo.event = StrSave("Edited game");
12870 gameInfo.site = StrSave(HostName());
12871 gameInfo.date = PGNDate();
12872 gameInfo.round = StrSave("-");
12873 gameInfo.white = StrSave("-");
12874 gameInfo.black = StrSave("-");
12875 gameInfo.result = r;
12876 gameInfo.resultDetails = p;
12880 gameInfo.event = StrSave("Edited position");
12881 gameInfo.site = StrSave(HostName());
12882 gameInfo.date = PGNDate();
12883 gameInfo.round = StrSave("-");
12884 gameInfo.white = StrSave("-");
12885 gameInfo.black = StrSave("-");
12888 case IcsPlayingWhite:
12889 case IcsPlayingBlack:
12894 case PlayFromGameFile:
12895 gameInfo.event = StrSave("Game from non-PGN file");
12896 gameInfo.site = StrSave(HostName());
12897 gameInfo.date = PGNDate();
12898 gameInfo.round = StrSave("-");
12899 gameInfo.white = StrSave("?");
12900 gameInfo.black = StrSave("?");
12909 ReplaceComment(index, text)
12915 while (*text == '\n') text++;
12916 len = strlen(text);
12917 while (len > 0 && text[len - 1] == '\n') len--;
12919 if (commentList[index] != NULL)
12920 free(commentList[index]);
12923 commentList[index] = NULL;
12926 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
12927 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
12928 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
12929 commentList[index] = (char *) malloc(len + 2);
12930 strncpy(commentList[index], text, len);
12931 commentList[index][len] = '\n';
12932 commentList[index][len + 1] = NULLCHAR;
12934 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
12936 commentList[index] = (char *) malloc(len + 6);
12937 strcpy(commentList[index], "{\n");
12938 strncpy(commentList[index]+2, text, len);
12939 commentList[index][len+2] = NULLCHAR;
12940 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
12941 strcat(commentList[index], "\n}\n");
12955 if (ch == '\r') continue;
12957 } while (ch != '\0');
12961 AppendComment(index, text, addBraces)
12964 Boolean addBraces; // [HGM] braces: tells if we should add {}
12969 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
12970 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
12973 while (*text == '\n') text++;
12974 len = strlen(text);
12975 while (len > 0 && text[len - 1] == '\n') len--;
12977 if (len == 0) return;
12979 if (commentList[index] != NULL) {
12980 old = commentList[index];
12981 oldlen = strlen(old);
12982 while(commentList[index][oldlen-1] == '\n')
12983 commentList[index][--oldlen] = NULLCHAR;
12984 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
12985 strcpy(commentList[index], old);
12987 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
12988 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces)) {
12989 if(addBraces) addBraces = FALSE; else { text++; len--; }
12990 while (*text == '\n') { text++; len--; }
12991 commentList[index][--oldlen] = NULLCHAR;
12993 if(addBraces) strcat(commentList[index], "\n{\n");
12994 else strcat(commentList[index], "\n");
12995 strcat(commentList[index], text);
12996 if(addBraces) strcat(commentList[index], "\n}\n");
12997 else strcat(commentList[index], "\n");
12999 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13001 strcpy(commentList[index], "{\n");
13002 else commentList[index][0] = NULLCHAR;
13003 strcat(commentList[index], text);
13004 strcat(commentList[index], "\n");
13005 if(addBraces) strcat(commentList[index], "}\n");
13009 static char * FindStr( char * text, char * sub_text )
13011 char * result = strstr( text, sub_text );
13013 if( result != NULL ) {
13014 result += strlen( sub_text );
13020 /* [AS] Try to extract PV info from PGN comment */
13021 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13022 char *GetInfoFromComment( int index, char * text )
13026 if( text != NULL && index > 0 ) {
13029 int time = -1, sec = 0, deci;
13030 char * s_eval = FindStr( text, "[%eval " );
13031 char * s_emt = FindStr( text, "[%emt " );
13033 if( s_eval != NULL || s_emt != NULL ) {
13037 if( s_eval != NULL ) {
13038 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13042 if( delim != ']' ) {
13047 if( s_emt != NULL ) {
13052 /* We expect something like: [+|-]nnn.nn/dd */
13055 if(*text != '{') return text; // [HGM] braces: must be normal comment
13057 sep = strchr( text, '/' );
13058 if( sep == NULL || sep < (text+4) ) {
13062 time = -1; sec = -1; deci = -1;
13063 if( sscanf( text+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13064 sscanf( text+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13065 sscanf( text+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13066 sscanf( text+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13070 if( score_lo < 0 || score_lo >= 100 ) {
13074 if(sec >= 0) time = 600*time + 10*sec; else
13075 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13077 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13079 /* [HGM] PV time: now locate end of PV info */
13080 while( *++sep >= '0' && *sep <= '9'); // strip depth
13082 while( *++sep >= '0' && *sep <= '9'); // strip time
13084 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13086 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13087 while(*sep == ' ') sep++;
13098 pvInfoList[index-1].depth = depth;
13099 pvInfoList[index-1].score = score;
13100 pvInfoList[index-1].time = 10*time; // centi-sec
13101 if(*sep == '}') *sep = 0; else *--sep = '{';
13107 SendToProgram(message, cps)
13109 ChessProgramState *cps;
13111 int count, outCount, error;
13114 if (cps->pr == NULL) return;
13117 if (appData.debugMode) {
13120 fprintf(debugFP, "%ld >%-6s: %s",
13121 SubtractTimeMarks(&now, &programStartTime),
13122 cps->which, message);
13125 count = strlen(message);
13126 outCount = OutputToProcess(cps->pr, message, count, &error);
13127 if (outCount < count && !exiting
13128 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13129 sprintf(buf, _("Error writing to %s chess program"), cps->which);
13130 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13131 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13132 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13133 sprintf(buf, "%s program exits in draw position (%s)", cps->which, cps->program);
13135 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13137 gameInfo.resultDetails = StrSave(buf);
13139 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13144 ReceiveFromProgram(isr, closure, message, count, error)
13145 InputSourceRef isr;
13153 ChessProgramState *cps = (ChessProgramState *)closure;
13155 if (isr != cps->isr) return; /* Killed intentionally */
13159 _("Error: %s chess program (%s) exited unexpectedly"),
13160 cps->which, cps->program);
13161 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13162 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13163 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13164 sprintf(buf, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13166 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13168 gameInfo.resultDetails = StrSave(buf);
13170 RemoveInputSource(cps->isr);
13171 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13174 _("Error reading from %s chess program (%s)"),
13175 cps->which, cps->program);
13176 RemoveInputSource(cps->isr);
13178 /* [AS] Program is misbehaving badly... kill it */
13179 if( count == -2 ) {
13180 DestroyChildProcess( cps->pr, 9 );
13184 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13189 if ((end_str = strchr(message, '\r')) != NULL)
13190 *end_str = NULLCHAR;
13191 if ((end_str = strchr(message, '\n')) != NULL)
13192 *end_str = NULLCHAR;
13194 if (appData.debugMode) {
13195 TimeMark now; int print = 1;
13196 char *quote = ""; char c; int i;
13198 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13199 char start = message[0];
13200 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13201 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13202 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13203 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13204 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13205 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13206 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13207 sscanf(message, "pong %c", &c)!=1 && start != '#')
13208 { quote = "# "; print = (appData.engineComments == 2); }
13209 message[0] = start; // restore original message
13213 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13214 SubtractTimeMarks(&now, &programStartTime), cps->which,
13220 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13221 if (appData.icsEngineAnalyze) {
13222 if (strstr(message, "whisper") != NULL ||
13223 strstr(message, "kibitz") != NULL ||
13224 strstr(message, "tellics") != NULL) return;
13227 HandleMachineMove(message, cps);
13232 SendTimeControl(cps, mps, tc, inc, sd, st)
13233 ChessProgramState *cps;
13234 int mps, inc, sd, st;
13240 if( timeControl_2 > 0 ) {
13241 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13242 tc = timeControl_2;
13245 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13246 inc /= cps->timeOdds;
13247 st /= cps->timeOdds;
13249 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13252 /* Set exact time per move, normally using st command */
13253 if (cps->stKludge) {
13254 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13256 if (seconds == 0) {
13257 sprintf(buf, "level 1 %d\n", st/60);
13259 sprintf(buf, "level 1 %d:%02d\n", st/60, seconds);
13262 sprintf(buf, "st %d\n", st);
13265 /* Set conventional or incremental time control, using level command */
13266 if (seconds == 0) {
13267 /* Note old gnuchess bug -- minutes:seconds used to not work.
13268 Fixed in later versions, but still avoid :seconds
13269 when seconds is 0. */
13270 sprintf(buf, "level %d %ld %d\n", mps, tc/60000, inc/1000);
13272 sprintf(buf, "level %d %ld:%02d %d\n", mps, tc/60000,
13273 seconds, inc/1000);
13276 SendToProgram(buf, cps);
13278 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13279 /* Orthogonally, limit search to given depth */
13281 if (cps->sdKludge) {
13282 sprintf(buf, "depth\n%d\n", sd);
13284 sprintf(buf, "sd %d\n", sd);
13286 SendToProgram(buf, cps);
13289 if(cps->nps > 0) { /* [HGM] nps */
13290 if(cps->supportsNPS == FALSE) cps->nps = -1; // don't use if engine explicitly says not supported!
13292 sprintf(buf, "nps %d\n", cps->nps);
13293 SendToProgram(buf, cps);
13298 ChessProgramState *WhitePlayer()
13299 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13301 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13302 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13308 SendTimeRemaining(cps, machineWhite)
13309 ChessProgramState *cps;
13310 int /*boolean*/ machineWhite;
13312 char message[MSG_SIZ];
13315 /* Note: this routine must be called when the clocks are stopped
13316 or when they have *just* been set or switched; otherwise
13317 it will be off by the time since the current tick started.
13319 if (machineWhite) {
13320 time = whiteTimeRemaining / 10;
13321 otime = blackTimeRemaining / 10;
13323 time = blackTimeRemaining / 10;
13324 otime = whiteTimeRemaining / 10;
13326 /* [HGM] translate opponent's time by time-odds factor */
13327 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13328 if (appData.debugMode) {
13329 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13332 if (time <= 0) time = 1;
13333 if (otime <= 0) otime = 1;
13335 sprintf(message, "time %ld\n", time);
13336 SendToProgram(message, cps);
13338 sprintf(message, "otim %ld\n", otime);
13339 SendToProgram(message, cps);
13343 BoolFeature(p, name, loc, cps)
13347 ChessProgramState *cps;
13350 int len = strlen(name);
13352 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13354 sscanf(*p, "%d", &val);
13356 while (**p && **p != ' ') (*p)++;
13357 sprintf(buf, "accepted %s\n", name);
13358 SendToProgram(buf, cps);
13365 IntFeature(p, name, loc, cps)
13369 ChessProgramState *cps;
13372 int len = strlen(name);
13373 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13375 sscanf(*p, "%d", loc);
13376 while (**p && **p != ' ') (*p)++;
13377 sprintf(buf, "accepted %s\n", name);
13378 SendToProgram(buf, cps);
13385 StringFeature(p, name, loc, cps)
13389 ChessProgramState *cps;
13392 int len = strlen(name);
13393 if (strncmp((*p), name, len) == 0
13394 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13396 sscanf(*p, "%[^\"]", loc);
13397 while (**p && **p != '\"') (*p)++;
13398 if (**p == '\"') (*p)++;
13399 sprintf(buf, "accepted %s\n", name);
13400 SendToProgram(buf, cps);
13407 ParseOption(Option *opt, ChessProgramState *cps)
13408 // [HGM] options: process the string that defines an engine option, and determine
13409 // name, type, default value, and allowed value range
13411 char *p, *q, buf[MSG_SIZ];
13412 int n, min = (-1)<<31, max = 1<<31, def;
13414 if(p = strstr(opt->name, " -spin ")) {
13415 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13416 if(max < min) max = min; // enforce consistency
13417 if(def < min) def = min;
13418 if(def > max) def = max;
13423 } else if((p = strstr(opt->name, " -slider "))) {
13424 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13425 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13426 if(max < min) max = min; // enforce consistency
13427 if(def < min) def = min;
13428 if(def > max) def = max;
13432 opt->type = Spin; // Slider;
13433 } else if((p = strstr(opt->name, " -string "))) {
13434 opt->textValue = p+9;
13435 opt->type = TextBox;
13436 } else if((p = strstr(opt->name, " -file "))) {
13437 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13438 opt->textValue = p+7;
13439 opt->type = TextBox; // FileName;
13440 } else if((p = strstr(opt->name, " -path "))) {
13441 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13442 opt->textValue = p+7;
13443 opt->type = TextBox; // PathName;
13444 } else if(p = strstr(opt->name, " -check ")) {
13445 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13446 opt->value = (def != 0);
13447 opt->type = CheckBox;
13448 } else if(p = strstr(opt->name, " -combo ")) {
13449 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13450 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13451 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13452 opt->value = n = 0;
13453 while(q = StrStr(q, " /// ")) {
13454 n++; *q = 0; // count choices, and null-terminate each of them
13456 if(*q == '*') { // remember default, which is marked with * prefix
13460 cps->comboList[cps->comboCnt++] = q;
13462 cps->comboList[cps->comboCnt++] = NULL;
13464 opt->type = ComboBox;
13465 } else if(p = strstr(opt->name, " -button")) {
13466 opt->type = Button;
13467 } else if(p = strstr(opt->name, " -save")) {
13468 opt->type = SaveButton;
13469 } else return FALSE;
13470 *p = 0; // terminate option name
13471 // now look if the command-line options define a setting for this engine option.
13472 if(cps->optionSettings && cps->optionSettings[0])
13473 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13474 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13475 sprintf(buf, "option %s", p);
13476 if(p = strstr(buf, ",")) *p = 0;
13478 SendToProgram(buf, cps);
13484 FeatureDone(cps, val)
13485 ChessProgramState* cps;
13488 DelayedEventCallback cb = GetDelayedEvent();
13489 if ((cb == InitBackEnd3 && cps == &first) ||
13490 (cb == TwoMachinesEventIfReady && cps == &second)) {
13491 CancelDelayedEvent();
13492 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13494 cps->initDone = val;
13497 /* Parse feature command from engine */
13499 ParseFeatures(args, cps)
13501 ChessProgramState *cps;
13509 while (*p == ' ') p++;
13510 if (*p == NULLCHAR) return;
13512 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13513 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13514 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13515 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13516 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13517 if (BoolFeature(&p, "reuse", &val, cps)) {
13518 /* Engine can disable reuse, but can't enable it if user said no */
13519 if (!val) cps->reuse = FALSE;
13522 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13523 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13524 if (gameMode == TwoMachinesPlay) {
13525 DisplayTwoMachinesTitle();
13531 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13532 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13533 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13534 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13535 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13536 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13537 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13538 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13539 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13540 if (IntFeature(&p, "done", &val, cps)) {
13541 FeatureDone(cps, val);
13544 /* Added by Tord: */
13545 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13546 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13547 /* End of additions by Tord */
13549 /* [HGM] added features: */
13550 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13551 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13552 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13553 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13554 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13555 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13556 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13557 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13558 sprintf(buf, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13559 SendToProgram(buf, cps);
13562 if(cps->nrOptions >= MAX_OPTIONS) {
13564 sprintf(buf, "%s engine has too many options\n", cps->which);
13565 DisplayError(buf, 0);
13569 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13570 /* End of additions by HGM */
13572 /* unknown feature: complain and skip */
13574 while (*q && *q != '=') q++;
13575 sprintf(buf, "rejected %.*s\n", (int)(q-p), p);
13576 SendToProgram(buf, cps);
13582 while (*p && *p != '\"') p++;
13583 if (*p == '\"') p++;
13585 while (*p && *p != ' ') p++;
13593 PeriodicUpdatesEvent(newState)
13596 if (newState == appData.periodicUpdates)
13599 appData.periodicUpdates=newState;
13601 /* Display type changes, so update it now */
13602 // DisplayAnalysis();
13604 /* Get the ball rolling again... */
13606 AnalysisPeriodicEvent(1);
13607 StartAnalysisClock();
13612 PonderNextMoveEvent(newState)
13615 if (newState == appData.ponderNextMove) return;
13616 if (gameMode == EditPosition) EditPositionDone(TRUE);
13618 SendToProgram("hard\n", &first);
13619 if (gameMode == TwoMachinesPlay) {
13620 SendToProgram("hard\n", &second);
13623 SendToProgram("easy\n", &first);
13624 thinkOutput[0] = NULLCHAR;
13625 if (gameMode == TwoMachinesPlay) {
13626 SendToProgram("easy\n", &second);
13629 appData.ponderNextMove = newState;
13633 NewSettingEvent(option, command, value)
13639 if (gameMode == EditPosition) EditPositionDone(TRUE);
13640 sprintf(buf, "%s%s %d\n", (option ? "option ": ""), command, value);
13641 SendToProgram(buf, &first);
13642 if (gameMode == TwoMachinesPlay) {
13643 SendToProgram(buf, &second);
13648 ShowThinkingEvent()
13649 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
13651 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
13652 int newState = appData.showThinking
13653 // [HGM] thinking: other features now need thinking output as well
13654 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
13656 if (oldState == newState) return;
13657 oldState = newState;
13658 if (gameMode == EditPosition) EditPositionDone(TRUE);
13660 SendToProgram("post\n", &first);
13661 if (gameMode == TwoMachinesPlay) {
13662 SendToProgram("post\n", &second);
13665 SendToProgram("nopost\n", &first);
13666 thinkOutput[0] = NULLCHAR;
13667 if (gameMode == TwoMachinesPlay) {
13668 SendToProgram("nopost\n", &second);
13671 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
13675 AskQuestionEvent(title, question, replyPrefix, which)
13676 char *title; char *question; char *replyPrefix; char *which;
13678 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
13679 if (pr == NoProc) return;
13680 AskQuestion(title, question, replyPrefix, pr);
13684 DisplayMove(moveNumber)
13687 char message[MSG_SIZ];
13689 char cpThinkOutput[MSG_SIZ];
13691 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
13693 if (moveNumber == forwardMostMove - 1 ||
13694 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
13696 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput));
13698 if (strchr(cpThinkOutput, '\n')) {
13699 *strchr(cpThinkOutput, '\n') = NULLCHAR;
13702 *cpThinkOutput = NULLCHAR;
13705 /* [AS] Hide thinking from human user */
13706 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
13707 *cpThinkOutput = NULLCHAR;
13708 if( thinkOutput[0] != NULLCHAR ) {
13711 for( i=0; i<=hiddenThinkOutputState; i++ ) {
13712 cpThinkOutput[i] = '.';
13714 cpThinkOutput[i] = NULLCHAR;
13715 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
13719 if (moveNumber == forwardMostMove - 1 &&
13720 gameInfo.resultDetails != NULL) {
13721 if (gameInfo.resultDetails[0] == NULLCHAR) {
13722 sprintf(res, " %s", PGNResult(gameInfo.result));
13724 sprintf(res, " {%s} %s",
13725 gameInfo.resultDetails, PGNResult(gameInfo.result));
13731 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13732 DisplayMessage(res, cpThinkOutput);
13734 sprintf(message, "%d.%s%s%s", moveNumber / 2 + 1,
13735 WhiteOnMove(moveNumber) ? " " : ".. ",
13736 parseList[moveNumber], res);
13737 DisplayMessage(message, cpThinkOutput);
13742 DisplayComment(moveNumber, text)
13746 char title[MSG_SIZ];
13747 char buf[8000]; // comment can be long!
13750 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
13751 strcpy(title, "Comment");
13753 sprintf(title, "Comment on %d.%s%s", moveNumber / 2 + 1,
13754 WhiteOnMove(moveNumber) ? " " : ".. ",
13755 parseList[moveNumber]);
13757 // [HGM] PV info: display PV info together with (or as) comment
13758 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
13759 if(text == NULL) text = "";
13760 score = pvInfoList[moveNumber].score;
13761 sprintf(buf, "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
13762 depth, (pvInfoList[moveNumber].time+50)/100, text);
13765 if (text != NULL && (appData.autoDisplayComment || commentUp))
13766 CommentPopUp(title, text);
13769 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
13770 * might be busy thinking or pondering. It can be omitted if your
13771 * gnuchess is configured to stop thinking immediately on any user
13772 * input. However, that gnuchess feature depends on the FIONREAD
13773 * ioctl, which does not work properly on some flavors of Unix.
13777 ChessProgramState *cps;
13780 if (!cps->useSigint) return;
13781 if (appData.noChessProgram || (cps->pr == NoProc)) return;
13782 switch (gameMode) {
13783 case MachinePlaysWhite:
13784 case MachinePlaysBlack:
13785 case TwoMachinesPlay:
13786 case IcsPlayingWhite:
13787 case IcsPlayingBlack:
13790 /* Skip if we know it isn't thinking */
13791 if (!cps->maybeThinking) return;
13792 if (appData.debugMode)
13793 fprintf(debugFP, "Interrupting %s\n", cps->which);
13794 InterruptChildProcess(cps->pr);
13795 cps->maybeThinking = FALSE;
13800 #endif /*ATTENTION*/
13806 if (whiteTimeRemaining <= 0) {
13809 if (appData.icsActive) {
13810 if (appData.autoCallFlag &&
13811 gameMode == IcsPlayingBlack && !blackFlag) {
13812 SendToICS(ics_prefix);
13813 SendToICS("flag\n");
13817 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13819 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
13820 if (appData.autoCallFlag) {
13821 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
13828 if (blackTimeRemaining <= 0) {
13831 if (appData.icsActive) {
13832 if (appData.autoCallFlag &&
13833 gameMode == IcsPlayingWhite && !whiteFlag) {
13834 SendToICS(ics_prefix);
13835 SendToICS("flag\n");
13839 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
13841 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
13842 if (appData.autoCallFlag) {
13843 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
13856 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
13857 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
13860 * add time to clocks when time control is achieved ([HGM] now also used for increment)
13862 if ( !WhiteOnMove(forwardMostMove) )
13863 /* White made time control */
13864 whiteTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13865 /* [HGM] time odds: correct new time quota for time odds! */
13866 / WhitePlayer()->timeOdds;
13868 /* Black made time control */
13869 blackTimeRemaining += GetTimeQuota((forwardMostMove-1)/2)
13870 / WhitePlayer()->other->timeOdds;
13874 DisplayBothClocks()
13876 int wom = gameMode == EditPosition ?
13877 !blackPlaysFirst : WhiteOnMove(currentMove);
13878 DisplayWhiteClock(whiteTimeRemaining, wom);
13879 DisplayBlackClock(blackTimeRemaining, !wom);
13883 /* Timekeeping seems to be a portability nightmare. I think everyone
13884 has ftime(), but I'm really not sure, so I'm including some ifdefs
13885 to use other calls if you don't. Clocks will be less accurate if
13886 you have neither ftime nor gettimeofday.
13889 /* VS 2008 requires the #include outside of the function */
13890 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
13891 #include <sys/timeb.h>
13894 /* Get the current time as a TimeMark */
13899 #if HAVE_GETTIMEOFDAY
13901 struct timeval timeVal;
13902 struct timezone timeZone;
13904 gettimeofday(&timeVal, &timeZone);
13905 tm->sec = (long) timeVal.tv_sec;
13906 tm->ms = (int) (timeVal.tv_usec / 1000L);
13908 #else /*!HAVE_GETTIMEOFDAY*/
13911 // include <sys/timeb.h> / moved to just above start of function
13912 struct timeb timeB;
13915 tm->sec = (long) timeB.time;
13916 tm->ms = (int) timeB.millitm;
13918 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
13919 tm->sec = (long) time(NULL);
13925 /* Return the difference in milliseconds between two
13926 time marks. We assume the difference will fit in a long!
13929 SubtractTimeMarks(tm2, tm1)
13930 TimeMark *tm2, *tm1;
13932 return 1000L*(tm2->sec - tm1->sec) +
13933 (long) (tm2->ms - tm1->ms);
13938 * Code to manage the game clocks.
13940 * In tournament play, black starts the clock and then white makes a move.
13941 * We give the human user a slight advantage if he is playing white---the
13942 * clocks don't run until he makes his first move, so it takes zero time.
13943 * Also, we don't account for network lag, so we could get out of sync
13944 * with GNU Chess's clock -- but then, referees are always right.
13947 static TimeMark tickStartTM;
13948 static long intendedTickLength;
13951 NextTickLength(timeRemaining)
13952 long timeRemaining;
13954 long nominalTickLength, nextTickLength;
13956 if (timeRemaining > 0L && timeRemaining <= 10000L)
13957 nominalTickLength = 100L;
13959 nominalTickLength = 1000L;
13960 nextTickLength = timeRemaining % nominalTickLength;
13961 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
13963 return nextTickLength;
13966 /* Adjust clock one minute up or down */
13968 AdjustClock(Boolean which, int dir)
13970 if(which) blackTimeRemaining += 60000*dir;
13971 else whiteTimeRemaining += 60000*dir;
13972 DisplayBothClocks();
13975 /* Stop clocks and reset to a fresh time control */
13979 (void) StopClockTimer();
13980 if (appData.icsActive) {
13981 whiteTimeRemaining = blackTimeRemaining = 0;
13982 } else if (searchTime) {
13983 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
13984 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
13985 } else { /* [HGM] correct new time quote for time odds */
13986 whiteTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->timeOdds;
13987 blackTimeRemaining = GetTimeQuota(-1) / WhitePlayer()->other->timeOdds;
13989 if (whiteFlag || blackFlag) {
13991 whiteFlag = blackFlag = FALSE;
13993 DisplayBothClocks();
13996 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
13998 /* Decrement running clock by amount of time that has passed */
14002 long timeRemaining;
14003 long lastTickLength, fudge;
14006 if (!appData.clockMode) return;
14007 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14011 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14013 /* Fudge if we woke up a little too soon */
14014 fudge = intendedTickLength - lastTickLength;
14015 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14017 if (WhiteOnMove(forwardMostMove)) {
14018 if(whiteNPS >= 0) lastTickLength = 0;
14019 timeRemaining = whiteTimeRemaining -= lastTickLength;
14020 DisplayWhiteClock(whiteTimeRemaining - fudge,
14021 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14023 if(blackNPS >= 0) lastTickLength = 0;
14024 timeRemaining = blackTimeRemaining -= lastTickLength;
14025 DisplayBlackClock(blackTimeRemaining - fudge,
14026 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14029 if (CheckFlags()) return;
14032 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14033 StartClockTimer(intendedTickLength);
14035 /* if the time remaining has fallen below the alarm threshold, sound the
14036 * alarm. if the alarm has sounded and (due to a takeback or time control
14037 * with increment) the time remaining has increased to a level above the
14038 * threshold, reset the alarm so it can sound again.
14041 if (appData.icsActive && appData.icsAlarm) {
14043 /* make sure we are dealing with the user's clock */
14044 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14045 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14048 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14049 alarmSounded = FALSE;
14050 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14052 alarmSounded = TRUE;
14058 /* A player has just moved, so stop the previously running
14059 clock and (if in clock mode) start the other one.
14060 We redisplay both clocks in case we're in ICS mode, because
14061 ICS gives us an update to both clocks after every move.
14062 Note that this routine is called *after* forwardMostMove
14063 is updated, so the last fractional tick must be subtracted
14064 from the color that is *not* on move now.
14067 SwitchClocks(int newMoveNr)
14069 long lastTickLength;
14071 int flagged = FALSE;
14075 if (StopClockTimer() && appData.clockMode) {
14076 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14077 if (!WhiteOnMove(forwardMostMove)) {
14078 if(blackNPS >= 0) lastTickLength = 0;
14079 blackTimeRemaining -= lastTickLength;
14080 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14081 // if(pvInfoList[forwardMostMove-1].time == -1)
14082 pvInfoList[forwardMostMove-1].time = // use GUI time
14083 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14085 if(whiteNPS >= 0) lastTickLength = 0;
14086 whiteTimeRemaining -= lastTickLength;
14087 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14088 // if(pvInfoList[forwardMostMove-1].time == -1)
14089 pvInfoList[forwardMostMove-1].time =
14090 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14092 flagged = CheckFlags();
14094 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14095 CheckTimeControl();
14097 if (flagged || !appData.clockMode) return;
14099 switch (gameMode) {
14100 case MachinePlaysBlack:
14101 case MachinePlaysWhite:
14102 case BeginningOfGame:
14103 if (pausing) return;
14107 case PlayFromGameFile:
14115 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14116 if(WhiteOnMove(forwardMostMove))
14117 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14118 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14122 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14123 whiteTimeRemaining : blackTimeRemaining);
14124 StartClockTimer(intendedTickLength);
14128 /* Stop both clocks */
14132 long lastTickLength;
14135 if (!StopClockTimer()) return;
14136 if (!appData.clockMode) return;
14140 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14141 if (WhiteOnMove(forwardMostMove)) {
14142 if(whiteNPS >= 0) lastTickLength = 0;
14143 whiteTimeRemaining -= lastTickLength;
14144 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14146 if(blackNPS >= 0) lastTickLength = 0;
14147 blackTimeRemaining -= lastTickLength;
14148 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14153 /* Start clock of player on move. Time may have been reset, so
14154 if clock is already running, stop and restart it. */
14158 (void) StopClockTimer(); /* in case it was running already */
14159 DisplayBothClocks();
14160 if (CheckFlags()) return;
14162 if (!appData.clockMode) return;
14163 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14165 GetTimeMark(&tickStartTM);
14166 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14167 whiteTimeRemaining : blackTimeRemaining);
14169 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14170 whiteNPS = blackNPS = -1;
14171 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14172 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14173 whiteNPS = first.nps;
14174 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14175 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14176 blackNPS = first.nps;
14177 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14178 whiteNPS = second.nps;
14179 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14180 blackNPS = second.nps;
14181 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14183 StartClockTimer(intendedTickLength);
14190 long second, minute, hour, day;
14192 static char buf[32];
14194 if (ms > 0 && ms <= 9900) {
14195 /* convert milliseconds to tenths, rounding up */
14196 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14198 sprintf(buf, " %03.1f ", tenths/10.0);
14202 /* convert milliseconds to seconds, rounding up */
14203 /* use floating point to avoid strangeness of integer division
14204 with negative dividends on many machines */
14205 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14212 day = second / (60 * 60 * 24);
14213 second = second % (60 * 60 * 24);
14214 hour = second / (60 * 60);
14215 second = second % (60 * 60);
14216 minute = second / 60;
14217 second = second % 60;
14220 sprintf(buf, " %s%ld:%02ld:%02ld:%02ld ",
14221 sign, day, hour, minute, second);
14223 sprintf(buf, " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14225 sprintf(buf, " %s%2ld:%02ld ", sign, minute, second);
14232 * This is necessary because some C libraries aren't ANSI C compliant yet.
14235 StrStr(string, match)
14236 char *string, *match;
14240 length = strlen(match);
14242 for (i = strlen(string) - length; i >= 0; i--, string++)
14243 if (!strncmp(match, string, length))
14250 StrCaseStr(string, match)
14251 char *string, *match;
14255 length = strlen(match);
14257 for (i = strlen(string) - length; i >= 0; i--, string++) {
14258 for (j = 0; j < length; j++) {
14259 if (ToLower(match[j]) != ToLower(string[j]))
14262 if (j == length) return string;
14276 c1 = ToLower(*s1++);
14277 c2 = ToLower(*s2++);
14278 if (c1 > c2) return 1;
14279 if (c1 < c2) return -1;
14280 if (c1 == NULLCHAR) return 0;
14289 return isupper(c) ? tolower(c) : c;
14297 return islower(c) ? toupper(c) : c;
14299 #endif /* !_amigados */
14307 if ((ret = (char *) malloc(strlen(s) + 1))) {
14314 StrSavePtr(s, savePtr)
14315 char *s, **savePtr;
14320 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14321 strcpy(*savePtr, s);
14333 clock = time((time_t *)NULL);
14334 tm = localtime(&clock);
14335 sprintf(buf, "%04d.%02d.%02d",
14336 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14337 return StrSave(buf);
14342 PositionToFEN(move, overrideCastling)
14344 char *overrideCastling;
14346 int i, j, fromX, fromY, toX, toY;
14353 whiteToPlay = (gameMode == EditPosition) ?
14354 !blackPlaysFirst : (move % 2 == 0);
14357 /* Piece placement data */
14358 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14360 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14361 if (boards[move][i][j] == EmptySquare) {
14363 } else { ChessSquare piece = boards[move][i][j];
14364 if (emptycount > 0) {
14365 if(emptycount<10) /* [HGM] can be >= 10 */
14366 *p++ = '0' + emptycount;
14367 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14370 if(PieceToChar(piece) == '+') {
14371 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14373 piece = (ChessSquare)(DEMOTED piece);
14375 *p++ = PieceToChar(piece);
14377 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14378 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14383 if (emptycount > 0) {
14384 if(emptycount<10) /* [HGM] can be >= 10 */
14385 *p++ = '0' + emptycount;
14386 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14393 /* [HGM] print Crazyhouse or Shogi holdings */
14394 if( gameInfo.holdingsWidth ) {
14395 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14397 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14398 piece = boards[move][i][BOARD_WIDTH-1];
14399 if( piece != EmptySquare )
14400 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14401 *p++ = PieceToChar(piece);
14403 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14404 piece = boards[move][BOARD_HEIGHT-i-1][0];
14405 if( piece != EmptySquare )
14406 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14407 *p++ = PieceToChar(piece);
14410 if( q == p ) *p++ = '-';
14416 *p++ = whiteToPlay ? 'w' : 'b';
14419 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14420 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14422 if(nrCastlingRights) {
14424 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14425 /* [HGM] write directly from rights */
14426 if(boards[move][CASTLING][2] != NoRights &&
14427 boards[move][CASTLING][0] != NoRights )
14428 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14429 if(boards[move][CASTLING][2] != NoRights &&
14430 boards[move][CASTLING][1] != NoRights )
14431 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14432 if(boards[move][CASTLING][5] != NoRights &&
14433 boards[move][CASTLING][3] != NoRights )
14434 *p++ = boards[move][CASTLING][3] + AAA;
14435 if(boards[move][CASTLING][5] != NoRights &&
14436 boards[move][CASTLING][4] != NoRights )
14437 *p++ = boards[move][CASTLING][4] + AAA;
14440 /* [HGM] write true castling rights */
14441 if( nrCastlingRights == 6 ) {
14442 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14443 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14444 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14445 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14446 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14447 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14448 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14449 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14452 if (q == p) *p++ = '-'; /* No castling rights */
14456 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14457 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14458 /* En passant target square */
14459 if (move > backwardMostMove) {
14460 fromX = moveList[move - 1][0] - AAA;
14461 fromY = moveList[move - 1][1] - ONE;
14462 toX = moveList[move - 1][2] - AAA;
14463 toY = moveList[move - 1][3] - ONE;
14464 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14465 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14466 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14468 /* 2-square pawn move just happened */
14470 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14474 } else if(move == backwardMostMove) {
14475 // [HGM] perhaps we should always do it like this, and forget the above?
14476 if((signed char)boards[move][EP_STATUS] >= 0) {
14477 *p++ = boards[move][EP_STATUS] + AAA;
14478 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14489 /* [HGM] find reversible plies */
14490 { int i = 0, j=move;
14492 if (appData.debugMode) { int k;
14493 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14494 for(k=backwardMostMove; k<=forwardMostMove; k++)
14495 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14499 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14500 if( j == backwardMostMove ) i += initialRulePlies;
14501 sprintf(p, "%d ", i);
14502 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14504 /* Fullmove number */
14505 sprintf(p, "%d", (move / 2) + 1);
14507 return StrSave(buf);
14511 ParseFEN(board, blackPlaysFirst, fen)
14513 int *blackPlaysFirst;
14523 /* [HGM] by default clear Crazyhouse holdings, if present */
14524 if(gameInfo.holdingsWidth) {
14525 for(i=0; i<BOARD_HEIGHT; i++) {
14526 board[i][0] = EmptySquare; /* black holdings */
14527 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14528 board[i][1] = (ChessSquare) 0; /* black counts */
14529 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14533 /* Piece placement data */
14534 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14537 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14538 if (*p == '/') p++;
14539 emptycount = gameInfo.boardWidth - j;
14540 while (emptycount--)
14541 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14543 #if(BOARD_FILES >= 10)
14544 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14545 p++; emptycount=10;
14546 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14547 while (emptycount--)
14548 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14550 } else if (isdigit(*p)) {
14551 emptycount = *p++ - '0';
14552 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14553 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14554 while (emptycount--)
14555 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14556 } else if (*p == '+' || isalpha(*p)) {
14557 if (j >= gameInfo.boardWidth) return FALSE;
14559 piece = CharToPiece(*++p);
14560 if(piece == EmptySquare) return FALSE; /* unknown piece */
14561 piece = (ChessSquare) (PROMOTED piece ); p++;
14562 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
14563 } else piece = CharToPiece(*p++);
14565 if(piece==EmptySquare) return FALSE; /* unknown piece */
14566 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
14567 piece = (ChessSquare) (PROMOTED piece);
14568 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
14571 board[i][(j++)+gameInfo.holdingsWidth] = piece;
14577 while (*p == '/' || *p == ' ') p++;
14579 /* [HGM] look for Crazyhouse holdings here */
14580 while(*p==' ') p++;
14581 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
14583 if(*p == '-' ) *p++; /* empty holdings */ else {
14584 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
14585 /* if we would allow FEN reading to set board size, we would */
14586 /* have to add holdings and shift the board read so far here */
14587 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
14589 if((int) piece >= (int) BlackPawn ) {
14590 i = (int)piece - (int)BlackPawn;
14591 i = PieceToNumber((ChessSquare)i);
14592 if( i >= gameInfo.holdingsSize ) return FALSE;
14593 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
14594 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
14596 i = (int)piece - (int)WhitePawn;
14597 i = PieceToNumber((ChessSquare)i);
14598 if( i >= gameInfo.holdingsSize ) return FALSE;
14599 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
14600 board[i][BOARD_WIDTH-2]++; /* black holdings */
14604 if(*p == ']') *p++;
14607 while(*p == ' ') p++;
14612 *blackPlaysFirst = FALSE;
14615 *blackPlaysFirst = TRUE;
14621 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
14622 /* return the extra info in global variiables */
14624 /* set defaults in case FEN is incomplete */
14625 board[EP_STATUS] = EP_UNKNOWN;
14626 for(i=0; i<nrCastlingRights; i++ ) {
14627 board[CASTLING][i] =
14628 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
14629 } /* assume possible unless obviously impossible */
14630 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
14631 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
14632 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
14633 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
14634 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
14635 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
14636 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
14637 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
14640 while(*p==' ') p++;
14641 if(nrCastlingRights) {
14642 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
14643 /* castling indicator present, so default becomes no castlings */
14644 for(i=0; i<nrCastlingRights; i++ ) {
14645 board[CASTLING][i] = NoRights;
14648 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
14649 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
14650 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
14651 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
14652 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
14654 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
14655 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
14656 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
14658 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
14659 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
14660 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
14661 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
14662 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
14663 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
14666 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
14667 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
14668 board[CASTLING][2] = whiteKingFile;
14671 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
14672 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
14673 board[CASTLING][2] = whiteKingFile;
14676 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
14677 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
14678 board[CASTLING][5] = blackKingFile;
14681 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
14682 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
14683 board[CASTLING][5] = blackKingFile;
14686 default: /* FRC castlings */
14687 if(c >= 'a') { /* black rights */
14688 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14689 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
14690 if(i == BOARD_RGHT) break;
14691 board[CASTLING][5] = i;
14693 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
14694 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
14696 board[CASTLING][3] = c;
14698 board[CASTLING][4] = c;
14699 } else { /* white rights */
14700 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
14701 if(board[0][i] == WhiteKing) break;
14702 if(i == BOARD_RGHT) break;
14703 board[CASTLING][2] = i;
14704 c -= AAA - 'a' + 'A';
14705 if(board[0][c] >= WhiteKing) break;
14707 board[CASTLING][0] = c;
14709 board[CASTLING][1] = c;
14713 for(i=0; i<nrCastlingRights; i++)
14714 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
14715 if (appData.debugMode) {
14716 fprintf(debugFP, "FEN castling rights:");
14717 for(i=0; i<nrCastlingRights; i++)
14718 fprintf(debugFP, " %d", board[CASTLING][i]);
14719 fprintf(debugFP, "\n");
14722 while(*p==' ') p++;
14725 /* read e.p. field in games that know e.p. capture */
14726 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14727 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14729 p++; board[EP_STATUS] = EP_NONE;
14731 char c = *p++ - AAA;
14733 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
14734 if(*p >= '0' && *p <='9') *p++;
14735 board[EP_STATUS] = c;
14740 if(sscanf(p, "%d", &i) == 1) {
14741 FENrulePlies = i; /* 50-move ply counter */
14742 /* (The move number is still ignored) */
14749 EditPositionPasteFEN(char *fen)
14752 Board initial_position;
14754 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
14755 DisplayError(_("Bad FEN position in clipboard"), 0);
14758 int savedBlackPlaysFirst = blackPlaysFirst;
14759 EditPositionEvent();
14760 blackPlaysFirst = savedBlackPlaysFirst;
14761 CopyBoard(boards[0], initial_position);
14762 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
14763 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
14764 DisplayBothClocks();
14765 DrawPosition(FALSE, boards[currentMove]);
14770 static char cseq[12] = "\\ ";
14772 Boolean set_cont_sequence(char *new_seq)
14777 // handle bad attempts to set the sequence
14779 return 0; // acceptable error - no debug
14781 len = strlen(new_seq);
14782 ret = (len > 0) && (len < sizeof(cseq));
14784 strcpy(cseq, new_seq);
14785 else if (appData.debugMode)
14786 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
14791 reformat a source message so words don't cross the width boundary. internal
14792 newlines are not removed. returns the wrapped size (no null character unless
14793 included in source message). If dest is NULL, only calculate the size required
14794 for the dest buffer. lp argument indicats line position upon entry, and it's
14795 passed back upon exit.
14797 int wrap(char *dest, char *src, int count, int width, int *lp)
14799 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
14801 cseq_len = strlen(cseq);
14802 old_line = line = *lp;
14803 ansi = len = clen = 0;
14805 for (i=0; i < count; i++)
14807 if (src[i] == '\033')
14810 // if we hit the width, back up
14811 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
14813 // store i & len in case the word is too long
14814 old_i = i, old_len = len;
14816 // find the end of the last word
14817 while (i && src[i] != ' ' && src[i] != '\n')
14823 // word too long? restore i & len before splitting it
14824 if ((old_i-i+clen) >= width)
14831 if (i && src[i-1] == ' ')
14834 if (src[i] != ' ' && src[i] != '\n')
14841 // now append the newline and continuation sequence
14846 strncpy(dest+len, cseq, cseq_len);
14854 dest[len] = src[i];
14858 if (src[i] == '\n')
14863 if (dest && appData.debugMode)
14865 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
14866 count, width, line, len, *lp);
14867 show_bytes(debugFP, src, count);
14868 fprintf(debugFP, "\ndest: ");
14869 show_bytes(debugFP, dest, len);
14870 fprintf(debugFP, "\n");
14872 *lp = dest ? line : old_line;
14877 // [HGM] vari: routines for shelving variations
14880 PushTail(int firstMove, int lastMove)
14882 int i, j, nrMoves = lastMove - firstMove;
14884 if(appData.icsActive) { // only in local mode
14885 forwardMostMove = currentMove; // mimic old ICS behavior
14888 if(storedGames >= MAX_VARIATIONS-1) return;
14890 // push current tail of game on stack
14891 savedResult[storedGames] = gameInfo.result;
14892 savedDetails[storedGames] = gameInfo.resultDetails;
14893 gameInfo.resultDetails = NULL;
14894 savedFirst[storedGames] = firstMove;
14895 savedLast [storedGames] = lastMove;
14896 savedFramePtr[storedGames] = framePtr;
14897 framePtr -= nrMoves; // reserve space for the boards
14898 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
14899 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
14900 for(j=0; j<MOVE_LEN; j++)
14901 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
14902 for(j=0; j<2*MOVE_LEN; j++)
14903 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
14904 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
14905 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
14906 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
14907 pvInfoList[firstMove+i-1].depth = 0;
14908 commentList[framePtr+i] = commentList[firstMove+i];
14909 commentList[firstMove+i] = NULL;
14913 forwardMostMove = currentMove; // truncte game so we can start variation
14914 if(storedGames == 1) GreyRevert(FALSE);
14918 PopTail(Boolean annotate)
14921 char buf[8000], moveBuf[20];
14923 if(appData.icsActive) return FALSE; // only in local mode
14924 if(!storedGames) return FALSE; // sanity
14927 ToNrEvent(savedFirst[storedGames]); // sets currentMove
14928 nrMoves = savedLast[storedGames] - currentMove;
14931 if(!WhiteOnMove(currentMove)) sprintf(buf, "(%d...", currentMove+2>>1);
14932 else strcpy(buf, "(");
14933 for(i=currentMove; i<forwardMostMove; i++) {
14935 sprintf(moveBuf, " %d. %s", i+2>>1, SavePart(parseList[i]));
14936 else sprintf(moveBuf, " %s", SavePart(parseList[i]));
14937 strcat(buf, moveBuf);
14938 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
14942 for(i=1; i<nrMoves; i++) { // copy last variation back
14943 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
14944 for(j=0; j<MOVE_LEN; j++)
14945 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
14946 for(j=0; j<2*MOVE_LEN; j++)
14947 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
14948 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
14949 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
14950 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
14951 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
14952 commentList[currentMove+i] = commentList[framePtr+i];
14953 commentList[framePtr+i] = NULL;
14955 if(annotate) AppendComment(currentMove+1, buf, FALSE);
14956 framePtr = savedFramePtr[storedGames];
14957 gameInfo.result = savedResult[storedGames];
14958 if(gameInfo.resultDetails != NULL) {
14959 free(gameInfo.resultDetails);
14961 gameInfo.resultDetails = savedDetails[storedGames];
14962 forwardMostMove = currentMove + nrMoves;
14963 if(storedGames == 0) GreyRevert(TRUE);
14969 { // remove all shelved variations
14971 for(i=0; i<storedGames; i++) {
14972 if(savedDetails[i])
14973 free(savedDetails[i]);
14974 savedDetails[i] = NULL;
14976 for(i=framePtr; i<MAX_MOVES; i++) {
14977 if(commentList[i]) free(commentList[i]);
14978 commentList[i] = NULL;
14980 framePtr = MAX_MOVES-1;