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)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
523 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
526 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
527 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
528 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
529 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
530 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
533 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
535 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackMan, BlackFerz,
537 BlackKing, BlackMan, BlackKnight, BlackRook }
541 #if (BOARD_FILES>=10)
542 ChessSquare ShogiArray[2][BOARD_FILES] = {
543 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
544 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
545 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
546 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
549 ChessSquare XiangqiArray[2][BOARD_FILES] = {
550 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
551 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
552 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
553 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
556 ChessSquare CapablancaArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
558 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
560 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
563 ChessSquare GreatArray[2][BOARD_FILES] = {
564 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
565 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
566 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
567 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
570 ChessSquare JanusArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
572 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
573 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
574 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
578 ChessSquare GothicArray[2][BOARD_FILES] = {
579 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
580 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
582 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
585 #define GothicArray CapablancaArray
589 ChessSquare FalconArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
591 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
592 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
593 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
596 #define FalconArray CapablancaArray
599 #else // !(BOARD_FILES>=10)
600 #define XiangqiPosition FIDEArray
601 #define CapablancaArray FIDEArray
602 #define GothicArray FIDEArray
603 #define GreatArray FIDEArray
604 #endif // !(BOARD_FILES>=10)
606 #if (BOARD_FILES>=12)
607 ChessSquare CourierArray[2][BOARD_FILES] = {
608 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
609 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
610 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
611 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
613 #else // !(BOARD_FILES>=12)
614 #define CourierArray CapablancaArray
615 #endif // !(BOARD_FILES>=12)
618 Board initialPosition;
621 /* Convert str to a rating. Checks for special cases of "----",
623 "++++", etc. Also strips ()'s */
625 string_to_rating(str)
628 while(*str && !isdigit(*str)) ++str;
630 return 0; /* One of the special "no rating" cases */
638 /* Init programStats */
639 programStats.movelist[0] = 0;
640 programStats.depth = 0;
641 programStats.nr_moves = 0;
642 programStats.moves_left = 0;
643 programStats.nodes = 0;
644 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
645 programStats.score = 0;
646 programStats.got_only_move = 0;
647 programStats.got_fail = 0;
648 programStats.line_is_book = 0;
654 int matched, min, sec;
656 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
657 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
659 GetTimeMark(&programStartTime);
660 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
663 programStats.ok_to_send = 1;
664 programStats.seen_stat = 0;
667 * Initialize game list
673 * Internet chess server status
675 if (appData.icsActive) {
676 appData.matchMode = FALSE;
677 appData.matchGames = 0;
679 appData.noChessProgram = !appData.zippyPlay;
681 appData.zippyPlay = FALSE;
682 appData.zippyTalk = FALSE;
683 appData.noChessProgram = TRUE;
685 if (*appData.icsHelper != NULLCHAR) {
686 appData.useTelnet = TRUE;
687 appData.telnetProgram = appData.icsHelper;
690 appData.zippyTalk = appData.zippyPlay = FALSE;
693 /* [AS] Initialize pv info list [HGM] and game state */
697 for( i=0; i<=framePtr; i++ ) {
698 pvInfoList[i].depth = -1;
699 boards[i][EP_STATUS] = EP_NONE;
700 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
705 * Parse timeControl resource
707 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
708 appData.movesPerSession)) {
710 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
711 DisplayFatalError(buf, 0, 2);
715 * Parse searchTime resource
717 if (*appData.searchTime != NULLCHAR) {
718 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
720 searchTime = min * 60;
721 } else if (matched == 2) {
722 searchTime = min * 60 + sec;
725 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
726 DisplayFatalError(buf, 0, 2);
730 /* [AS] Adjudication threshold */
731 adjudicateLossThreshold = appData.adjudicateLossThreshold;
733 first.which = _("first");
734 second.which = _("second");
735 first.maybeThinking = second.maybeThinking = FALSE;
736 first.pr = second.pr = NoProc;
737 first.isr = second.isr = NULL;
738 first.sendTime = second.sendTime = 2;
739 first.sendDrawOffers = 1;
740 if (appData.firstPlaysBlack) {
741 first.twoMachinesColor = "black\n";
742 second.twoMachinesColor = "white\n";
744 first.twoMachinesColor = "white\n";
745 second.twoMachinesColor = "black\n";
747 first.program = appData.firstChessProgram;
748 second.program = appData.secondChessProgram;
749 first.host = appData.firstHost;
750 second.host = appData.secondHost;
751 first.dir = appData.firstDirectory;
752 second.dir = appData.secondDirectory;
753 first.other = &second;
754 second.other = &first;
755 first.initString = appData.initString;
756 second.initString = appData.secondInitString;
757 first.computerString = appData.firstComputerString;
758 second.computerString = appData.secondComputerString;
759 first.useSigint = second.useSigint = TRUE;
760 first.useSigterm = second.useSigterm = TRUE;
761 first.reuse = appData.reuseFirst;
762 second.reuse = appData.reuseSecond;
763 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
764 second.nps = appData.secondNPS;
765 first.useSetboard = second.useSetboard = FALSE;
766 first.useSAN = second.useSAN = FALSE;
767 first.usePing = second.usePing = FALSE;
768 first.lastPing = second.lastPing = 0;
769 first.lastPong = second.lastPong = 0;
770 first.usePlayother = second.usePlayother = FALSE;
771 first.useColors = second.useColors = TRUE;
772 first.useUsermove = second.useUsermove = FALSE;
773 first.sendICS = second.sendICS = FALSE;
774 first.sendName = second.sendName = appData.icsActive;
775 first.sdKludge = second.sdKludge = FALSE;
776 first.stKludge = second.stKludge = FALSE;
777 TidyProgramName(first.program, first.host, first.tidy);
778 TidyProgramName(second.program, second.host, second.tidy);
779 first.matchWins = second.matchWins = 0;
780 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
781 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
782 first.analysisSupport = second.analysisSupport = 2; /* detect */
783 first.analyzing = second.analyzing = FALSE;
784 first.initDone = second.initDone = FALSE;
786 /* New features added by Tord: */
787 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
788 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 first.fenOverride = appData.fenOverride1;
791 second.fenOverride = appData.fenOverride2;
793 /* [HGM] time odds: set factor for each machine */
794 first.timeOdds = appData.firstTimeOdds;
795 second.timeOdds = appData.secondTimeOdds;
797 if(appData.timeOddsMode) {
798 norm = first.timeOdds;
799 if(norm > second.timeOdds) norm = second.timeOdds;
801 first.timeOdds /= norm;
802 second.timeOdds /= norm;
805 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
806 first.accumulateTC = appData.firstAccumulateTC;
807 second.accumulateTC = appData.secondAccumulateTC;
808 first.maxNrOfSessions = second.maxNrOfSessions = 1;
811 first.debug = second.debug = FALSE;
812 first.supportsNPS = second.supportsNPS = UNKNOWN;
815 first.optionSettings = appData.firstOptions;
816 second.optionSettings = appData.secondOptions;
818 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
819 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
820 first.isUCI = appData.firstIsUCI; /* [AS] */
821 second.isUCI = appData.secondIsUCI; /* [AS] */
822 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
823 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
825 if (appData.firstProtocolVersion > PROTOVER
826 || appData.firstProtocolVersion < 1)
831 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
832 appData.firstProtocolVersion);
833 if( (len > MSG_SIZ) && appData.debugMode )
834 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
836 DisplayFatalError(buf, 0, 2);
840 first.protocolVersion = appData.firstProtocolVersion;
843 if (appData.secondProtocolVersion > PROTOVER
844 || appData.secondProtocolVersion < 1)
849 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
850 appData.secondProtocolVersion);
851 if( (len > MSG_SIZ) && appData.debugMode )
852 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
854 DisplayFatalError(buf, 0, 2);
858 second.protocolVersion = appData.secondProtocolVersion;
861 if (appData.icsActive) {
862 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
863 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
864 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
865 appData.clockMode = FALSE;
866 first.sendTime = second.sendTime = 0;
870 /* Override some settings from environment variables, for backward
871 compatibility. Unfortunately it's not feasible to have the env
872 vars just set defaults, at least in xboard. Ugh.
874 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
879 if (appData.noChessProgram) {
880 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
881 sprintf(programVersion, "%s", PACKAGE_STRING);
883 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
884 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
885 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
888 if (!appData.icsActive) {
892 /* Check for variants that are supported only in ICS mode,
893 or not at all. Some that are accepted here nevertheless
894 have bugs; see comments below.
896 VariantClass variant = StringToVariant(appData.variant);
898 case VariantBughouse: /* need four players and two boards */
899 case VariantKriegspiel: /* need to hide pieces and move details */
900 /* case VariantFischeRandom: (Fabien: moved below) */
901 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
902 if( (len > MSG_SIZ) && appData.debugMode )
903 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
905 DisplayFatalError(buf, 0, 2);
909 case VariantLoadable:
919 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
920 if( (len > MSG_SIZ) && appData.debugMode )
921 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
923 DisplayFatalError(buf, 0, 2);
926 case VariantXiangqi: /* [HGM] repetition rules not implemented */
927 case VariantFairy: /* [HGM] TestLegality definitely off! */
928 case VariantGothic: /* [HGM] should work */
929 case VariantCapablanca: /* [HGM] should work */
930 case VariantCourier: /* [HGM] initial forced moves not implemented */
931 case VariantShogi: /* [HGM] could still mate with pawn drop */
932 case VariantKnightmate: /* [HGM] should work */
933 case VariantCylinder: /* [HGM] untested */
934 case VariantFalcon: /* [HGM] untested */
935 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
936 offboard interposition not understood */
937 case VariantNormal: /* definitely works! */
938 case VariantWildCastle: /* pieces not automatically shuffled */
939 case VariantNoCastle: /* pieces not automatically shuffled */
940 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
941 case VariantLosers: /* should work except for win condition,
942 and doesn't know captures are mandatory */
943 case VariantSuicide: /* should work except for win condition,
944 and doesn't know captures are mandatory */
945 case VariantGiveaway: /* should work except for win condition,
946 and doesn't know captures are mandatory */
947 case VariantTwoKings: /* should work */
948 case VariantAtomic: /* should work except for win condition */
949 case Variant3Check: /* should work except for win condition */
950 case VariantShatranj: /* should work except for all win conditions */
951 case VariantMakruk: /* should work except for daw countdown */
952 case VariantBerolina: /* might work if TestLegality is off */
953 case VariantCapaRandom: /* should work */
954 case VariantJanus: /* should work */
955 case VariantSuper: /* experimental */
956 case VariantGreat: /* experimental, requires legality testing to be off */
957 case VariantSChess: /* S-Chess, should work */
962 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
963 InitEngineUCI( installDir, &second );
966 int NextIntegerFromString( char ** str, long * value )
971 while( *s == ' ' || *s == '\t' ) {
977 if( *s >= '0' && *s <= '9' ) {
978 while( *s >= '0' && *s <= '9' ) {
979 *value = *value * 10 + (*s - '0');
991 int NextTimeControlFromString( char ** str, long * value )
994 int result = NextIntegerFromString( str, &temp );
997 *value = temp * 60; /* Minutes */
1000 result = NextIntegerFromString( str, &temp );
1001 *value += temp; /* Seconds */
1008 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1009 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1010 int result = -1, type = 0; long temp, temp2;
1012 if(**str != ':') return -1; // old params remain in force!
1014 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1015 if( NextIntegerFromString( str, &temp ) ) return -1;
1016 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1019 /* time only: incremental or sudden-death time control */
1020 if(**str == '+') { /* increment follows; read it */
1022 if(**str == '!') type = *(*str)++; // Bronstein TC
1023 if(result = NextIntegerFromString( str, &temp2)) return -1;
1024 *inc = temp2 * 1000;
1025 if(**str == '.') { // read fraction of increment
1026 char *start = ++(*str);
1027 if(result = NextIntegerFromString( str, &temp2)) return -1;
1029 while(start++ < *str) temp2 /= 10;
1033 *moves = 0; *tc = temp * 1000; *incType = type;
1037 (*str)++; /* classical time control */
1038 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1049 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1050 { /* [HGM] get time to add from the multi-session time-control string */
1051 int incType, moves=1; /* kludge to force reading of first session */
1052 long time, increment;
1055 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1056 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1058 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1059 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1060 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1061 if(movenr == -1) return time; /* last move before new session */
1062 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1063 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1064 if(!moves) return increment; /* current session is incremental */
1065 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1066 } while(movenr >= -1); /* try again for next session */
1068 return 0; // no new time quota on this move
1072 ParseTimeControl(tc, ti, mps)
1079 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1082 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1083 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1084 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1088 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1090 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1093 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1095 snprintf(buf, MSG_SIZ, ":%s", mytc);
1097 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1099 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1104 /* Parse second time control */
1107 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1115 timeControl_2 = tc2 * 1000;
1125 timeControl = tc1 * 1000;
1128 timeIncrement = ti * 1000; /* convert to ms */
1129 movesPerSession = 0;
1132 movesPerSession = mps;
1140 if (appData.debugMode) {
1141 fprintf(debugFP, "%s\n", programVersion);
1144 set_cont_sequence(appData.wrapContSeq);
1145 if (appData.matchGames > 0) {
1146 appData.matchMode = TRUE;
1147 } else if (appData.matchMode) {
1148 appData.matchGames = 1;
1150 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1151 appData.matchGames = appData.sameColorGames;
1152 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1153 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1154 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1157 if (appData.noChessProgram || first.protocolVersion == 1) {
1160 /* kludge: allow timeout for initial "feature" commands */
1162 DisplayMessage("", _("Starting chess program"));
1163 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1168 InitBackEnd3 P((void))
1170 GameMode initialMode;
1174 InitChessProgram(&first, startedFromSetupPosition);
1176 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1177 free(programVersion);
1178 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1179 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1182 if (appData.icsActive) {
1184 /* [DM] Make a console window if needed [HGM] merged ifs */
1190 if (*appData.icsCommPort != NULLCHAR)
1191 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1192 appData.icsCommPort);
1194 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1195 appData.icsHost, appData.icsPort);
1197 if( (len > MSG_SIZ) && appData.debugMode )
1198 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1200 DisplayFatalError(buf, err, 1);
1205 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1207 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1208 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1209 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1210 } else if (appData.noChessProgram) {
1216 if (*appData.cmailGameName != NULLCHAR) {
1218 OpenLoopback(&cmailPR);
1220 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1224 DisplayMessage("", "");
1225 if (StrCaseCmp(appData.initialMode, "") == 0) {
1226 initialMode = BeginningOfGame;
1227 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1228 initialMode = TwoMachinesPlay;
1229 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1230 initialMode = AnalyzeFile;
1231 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1232 initialMode = AnalyzeMode;
1233 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1234 initialMode = MachinePlaysWhite;
1235 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1236 initialMode = MachinePlaysBlack;
1237 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1238 initialMode = EditGame;
1239 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1240 initialMode = EditPosition;
1241 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1242 initialMode = Training;
1244 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1245 if( (len > MSG_SIZ) && appData.debugMode )
1246 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1248 DisplayFatalError(buf, 0, 2);
1252 if (appData.matchMode) {
1253 /* Set up machine vs. machine match */
1254 if (appData.noChessProgram) {
1255 DisplayFatalError(_("Can't have a match with no chess programs"),
1261 if (*appData.loadGameFile != NULLCHAR) {
1262 int index = appData.loadGameIndex; // [HGM] autoinc
1263 if(index<0) lastIndex = index = 1;
1264 if (!LoadGameFromFile(appData.loadGameFile,
1266 appData.loadGameFile, FALSE)) {
1267 DisplayFatalError(_("Bad game file"), 0, 1);
1270 } else if (*appData.loadPositionFile != NULLCHAR) {
1271 int index = appData.loadPositionIndex; // [HGM] autoinc
1272 if(index<0) lastIndex = index = 1;
1273 if (!LoadPositionFromFile(appData.loadPositionFile,
1275 appData.loadPositionFile)) {
1276 DisplayFatalError(_("Bad position file"), 0, 1);
1281 } else if (*appData.cmailGameName != NULLCHAR) {
1282 /* Set up cmail mode */
1283 ReloadCmailMsgEvent(TRUE);
1285 /* Set up other modes */
1286 if (initialMode == AnalyzeFile) {
1287 if (*appData.loadGameFile == NULLCHAR) {
1288 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1292 if (*appData.loadGameFile != NULLCHAR) {
1293 (void) LoadGameFromFile(appData.loadGameFile,
1294 appData.loadGameIndex,
1295 appData.loadGameFile, TRUE);
1296 } else if (*appData.loadPositionFile != NULLCHAR) {
1297 (void) LoadPositionFromFile(appData.loadPositionFile,
1298 appData.loadPositionIndex,
1299 appData.loadPositionFile);
1300 /* [HGM] try to make self-starting even after FEN load */
1301 /* to allow automatic setup of fairy variants with wtm */
1302 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1303 gameMode = BeginningOfGame;
1304 setboardSpoiledMachineBlack = 1;
1306 /* [HGM] loadPos: make that every new game uses the setup */
1307 /* from file as long as we do not switch variant */
1308 if(!blackPlaysFirst) {
1309 startedFromPositionFile = TRUE;
1310 CopyBoard(filePosition, boards[0]);
1313 if (initialMode == AnalyzeMode) {
1314 if (appData.noChessProgram) {
1315 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1318 if (appData.icsActive) {
1319 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1323 } else if (initialMode == AnalyzeFile) {
1324 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1325 ShowThinkingEvent();
1327 AnalysisPeriodicEvent(1);
1328 } else if (initialMode == MachinePlaysWhite) {
1329 if (appData.noChessProgram) {
1330 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1334 if (appData.icsActive) {
1335 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1339 MachineWhiteEvent();
1340 } else if (initialMode == MachinePlaysBlack) {
1341 if (appData.noChessProgram) {
1342 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1346 if (appData.icsActive) {
1347 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1351 MachineBlackEvent();
1352 } else if (initialMode == TwoMachinesPlay) {
1353 if (appData.noChessProgram) {
1354 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1358 if (appData.icsActive) {
1359 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1364 } else if (initialMode == EditGame) {
1366 } else if (initialMode == EditPosition) {
1367 EditPositionEvent();
1368 } else if (initialMode == Training) {
1369 if (*appData.loadGameFile == NULLCHAR) {
1370 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1379 * Establish will establish a contact to a remote host.port.
1380 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1381 * used to talk to the host.
1382 * Returns 0 if okay, error code if not.
1389 if (*appData.icsCommPort != NULLCHAR) {
1390 /* Talk to the host through a serial comm port */
1391 return OpenCommPort(appData.icsCommPort, &icsPR);
1393 } else if (*appData.gateway != NULLCHAR) {
1394 if (*appData.remoteShell == NULLCHAR) {
1395 /* Use the rcmd protocol to run telnet program on a gateway host */
1396 snprintf(buf, sizeof(buf), "%s %s %s",
1397 appData.telnetProgram, appData.icsHost, appData.icsPort);
1398 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1401 /* Use the rsh program to run telnet program on a gateway host */
1402 if (*appData.remoteUser == NULLCHAR) {
1403 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1404 appData.gateway, appData.telnetProgram,
1405 appData.icsHost, appData.icsPort);
1407 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1408 appData.remoteShell, appData.gateway,
1409 appData.remoteUser, appData.telnetProgram,
1410 appData.icsHost, appData.icsPort);
1412 return StartChildProcess(buf, "", &icsPR);
1415 } else if (appData.useTelnet) {
1416 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1419 /* TCP socket interface differs somewhat between
1420 Unix and NT; handle details in the front end.
1422 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1426 void EscapeExpand(char *p, char *q)
1427 { // [HGM] initstring: routine to shape up string arguments
1428 while(*p++ = *q++) if(p[-1] == '\\')
1430 case 'n': p[-1] = '\n'; break;
1431 case 'r': p[-1] = '\r'; break;
1432 case 't': p[-1] = '\t'; break;
1433 case '\\': p[-1] = '\\'; break;
1434 case 0: *p = 0; return;
1435 default: p[-1] = q[-1]; break;
1440 show_bytes(fp, buf, count)
1446 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1447 fprintf(fp, "\\%03o", *buf & 0xff);
1456 /* Returns an errno value */
1458 OutputMaybeTelnet(pr, message, count, outError)
1464 char buf[8192], *p, *q, *buflim;
1465 int left, newcount, outcount;
1467 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1468 *appData.gateway != NULLCHAR) {
1469 if (appData.debugMode) {
1470 fprintf(debugFP, ">ICS: ");
1471 show_bytes(debugFP, message, count);
1472 fprintf(debugFP, "\n");
1474 return OutputToProcess(pr, message, count, outError);
1477 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1484 if (appData.debugMode) {
1485 fprintf(debugFP, ">ICS: ");
1486 show_bytes(debugFP, buf, newcount);
1487 fprintf(debugFP, "\n");
1489 outcount = OutputToProcess(pr, buf, newcount, outError);
1490 if (outcount < newcount) return -1; /* to be sure */
1497 } else if (((unsigned char) *p) == TN_IAC) {
1498 *q++ = (char) TN_IAC;
1505 if (appData.debugMode) {
1506 fprintf(debugFP, ">ICS: ");
1507 show_bytes(debugFP, buf, newcount);
1508 fprintf(debugFP, "\n");
1510 outcount = OutputToProcess(pr, buf, newcount, outError);
1511 if (outcount < newcount) return -1; /* to be sure */
1516 read_from_player(isr, closure, message, count, error)
1523 int outError, outCount;
1524 static int gotEof = 0;
1526 /* Pass data read from player on to ICS */
1529 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1530 if (outCount < count) {
1531 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1533 } else if (count < 0) {
1534 RemoveInputSource(isr);
1535 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1536 } else if (gotEof++ > 0) {
1537 RemoveInputSource(isr);
1538 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1544 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1545 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1546 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1547 SendToICS("date\n");
1548 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1551 /* added routine for printf style output to ics */
1552 void ics_printf(char *format, ...)
1554 char buffer[MSG_SIZ];
1557 va_start(args, format);
1558 vsnprintf(buffer, sizeof(buffer), format, args);
1559 buffer[sizeof(buffer)-1] = '\0';
1568 int count, outCount, outError;
1570 if (icsPR == NULL) return;
1573 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1574 if (outCount < count) {
1575 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1579 /* This is used for sending logon scripts to the ICS. Sending
1580 without a delay causes problems when using timestamp on ICC
1581 (at least on my machine). */
1583 SendToICSDelayed(s,msdelay)
1587 int count, outCount, outError;
1589 if (icsPR == NULL) return;
1592 if (appData.debugMode) {
1593 fprintf(debugFP, ">ICS: ");
1594 show_bytes(debugFP, s, count);
1595 fprintf(debugFP, "\n");
1597 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1599 if (outCount < count) {
1600 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1605 /* Remove all highlighting escape sequences in s
1606 Also deletes any suffix starting with '('
1609 StripHighlightAndTitle(s)
1612 static char retbuf[MSG_SIZ];
1615 while (*s != NULLCHAR) {
1616 while (*s == '\033') {
1617 while (*s != NULLCHAR && !isalpha(*s)) s++;
1618 if (*s != NULLCHAR) s++;
1620 while (*s != NULLCHAR && *s != '\033') {
1621 if (*s == '(' || *s == '[') {
1632 /* Remove all highlighting escape sequences in s */
1637 static char retbuf[MSG_SIZ];
1640 while (*s != NULLCHAR) {
1641 while (*s == '\033') {
1642 while (*s != NULLCHAR && !isalpha(*s)) s++;
1643 if (*s != NULLCHAR) s++;
1645 while (*s != NULLCHAR && *s != '\033') {
1653 char *variantNames[] = VARIANT_NAMES;
1658 return variantNames[v];
1662 /* Identify a variant from the strings the chess servers use or the
1663 PGN Variant tag names we use. */
1670 VariantClass v = VariantNormal;
1671 int i, found = FALSE;
1677 /* [HGM] skip over optional board-size prefixes */
1678 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1679 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1680 while( *e++ != '_');
1683 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1687 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1688 if (StrCaseStr(e, variantNames[i])) {
1689 v = (VariantClass) i;
1696 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1697 || StrCaseStr(e, "wild/fr")
1698 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1699 v = VariantFischeRandom;
1700 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1701 (i = 1, p = StrCaseStr(e, "w"))) {
1703 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1710 case 0: /* FICS only, actually */
1712 /* Castling legal even if K starts on d-file */
1713 v = VariantWildCastle;
1718 /* Castling illegal even if K & R happen to start in
1719 normal positions. */
1720 v = VariantNoCastle;
1733 /* Castling legal iff K & R start in normal positions */
1739 /* Special wilds for position setup; unclear what to do here */
1740 v = VariantLoadable;
1743 /* Bizarre ICC game */
1744 v = VariantTwoKings;
1747 v = VariantKriegspiel;
1753 v = VariantFischeRandom;
1756 v = VariantCrazyhouse;
1759 v = VariantBughouse;
1765 /* Not quite the same as FICS suicide! */
1766 v = VariantGiveaway;
1772 v = VariantShatranj;
1775 /* Temporary names for future ICC types. The name *will* change in
1776 the next xboard/WinBoard release after ICC defines it. */
1814 v = VariantCapablanca;
1817 v = VariantKnightmate;
1823 v = VariantCylinder;
1829 v = VariantCapaRandom;
1832 v = VariantBerolina;
1844 /* Found "wild" or "w" in the string but no number;
1845 must assume it's normal chess. */
1849 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1850 if( (len > MSG_SIZ) && appData.debugMode )
1851 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1853 DisplayError(buf, 0);
1859 if (appData.debugMode) {
1860 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1861 e, wnum, VariantName(v));
1866 static int leftover_start = 0, leftover_len = 0;
1867 char star_match[STAR_MATCH_N][MSG_SIZ];
1869 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1870 advance *index beyond it, and set leftover_start to the new value of
1871 *index; else return FALSE. If pattern contains the character '*', it
1872 matches any sequence of characters not containing '\r', '\n', or the
1873 character following the '*' (if any), and the matched sequence(s) are
1874 copied into star_match.
1877 looking_at(buf, index, pattern)
1882 char *bufp = &buf[*index], *patternp = pattern;
1884 char *matchp = star_match[0];
1887 if (*patternp == NULLCHAR) {
1888 *index = leftover_start = bufp - buf;
1892 if (*bufp == NULLCHAR) return FALSE;
1893 if (*patternp == '*') {
1894 if (*bufp == *(patternp + 1)) {
1896 matchp = star_match[++star_count];
1900 } else if (*bufp == '\n' || *bufp == '\r') {
1902 if (*patternp == NULLCHAR)
1907 *matchp++ = *bufp++;
1911 if (*patternp != *bufp) return FALSE;
1918 SendToPlayer(data, length)
1922 int error, outCount;
1923 outCount = OutputToProcess(NoProc, data, length, &error);
1924 if (outCount < length) {
1925 DisplayFatalError(_("Error writing to display"), error, 1);
1930 PackHolding(packed, holding)
1942 switch (runlength) {
1953 sprintf(q, "%d", runlength);
1965 /* Telnet protocol requests from the front end */
1967 TelnetRequest(ddww, option)
1968 unsigned char ddww, option;
1970 unsigned char msg[3];
1971 int outCount, outError;
1973 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1975 if (appData.debugMode) {
1976 char buf1[8], buf2[8], *ddwwStr, *optionStr;
1992 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2001 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2004 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2009 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2011 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2018 if (!appData.icsActive) return;
2019 TelnetRequest(TN_DO, TN_ECHO);
2025 if (!appData.icsActive) return;
2026 TelnetRequest(TN_DONT, TN_ECHO);
2030 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2032 /* put the holdings sent to us by the server on the board holdings area */
2033 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2037 if(gameInfo.holdingsWidth < 2) return;
2038 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2039 return; // prevent overwriting by pre-board holdings
2041 if( (int)lowestPiece >= BlackPawn ) {
2044 holdingsStartRow = BOARD_HEIGHT-1;
2047 holdingsColumn = BOARD_WIDTH-1;
2048 countsColumn = BOARD_WIDTH-2;
2049 holdingsStartRow = 0;
2053 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2054 board[i][holdingsColumn] = EmptySquare;
2055 board[i][countsColumn] = (ChessSquare) 0;
2057 while( (p=*holdings++) != NULLCHAR ) {
2058 piece = CharToPiece( ToUpper(p) );
2059 if(piece == EmptySquare) continue;
2060 /*j = (int) piece - (int) WhitePawn;*/
2061 j = PieceToNumber(piece);
2062 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2063 if(j < 0) continue; /* should not happen */
2064 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2065 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2066 board[holdingsStartRow+j*direction][countsColumn]++;
2072 VariantSwitch(Board board, VariantClass newVariant)
2074 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2075 static Board oldBoard;
2077 startedFromPositionFile = FALSE;
2078 if(gameInfo.variant == newVariant) return;
2080 /* [HGM] This routine is called each time an assignment is made to
2081 * gameInfo.variant during a game, to make sure the board sizes
2082 * are set to match the new variant. If that means adding or deleting
2083 * holdings, we shift the playing board accordingly
2084 * This kludge is needed because in ICS observe mode, we get boards
2085 * of an ongoing game without knowing the variant, and learn about the
2086 * latter only later. This can be because of the move list we requested,
2087 * in which case the game history is refilled from the beginning anyway,
2088 * but also when receiving holdings of a crazyhouse game. In the latter
2089 * case we want to add those holdings to the already received position.
2093 if (appData.debugMode) {
2094 fprintf(debugFP, "Switch board from %s to %s\n",
2095 VariantName(gameInfo.variant), VariantName(newVariant));
2096 setbuf(debugFP, NULL);
2098 shuffleOpenings = 0; /* [HGM] shuffle */
2099 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2103 newWidth = 9; newHeight = 9;
2104 gameInfo.holdingsSize = 7;
2105 case VariantBughouse:
2106 case VariantCrazyhouse:
2107 newHoldingsWidth = 2; break;
2111 newHoldingsWidth = 2;
2112 gameInfo.holdingsSize = 8;
2115 case VariantCapablanca:
2116 case VariantCapaRandom:
2119 newHoldingsWidth = gameInfo.holdingsSize = 0;
2122 if(newWidth != gameInfo.boardWidth ||
2123 newHeight != gameInfo.boardHeight ||
2124 newHoldingsWidth != gameInfo.holdingsWidth ) {
2126 /* shift position to new playing area, if needed */
2127 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2128 for(i=0; i<BOARD_HEIGHT; i++)
2129 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2130 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2132 for(i=0; i<newHeight; i++) {
2133 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2134 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2136 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2137 for(i=0; i<BOARD_HEIGHT; i++)
2138 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2139 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2142 gameInfo.boardWidth = newWidth;
2143 gameInfo.boardHeight = newHeight;
2144 gameInfo.holdingsWidth = newHoldingsWidth;
2145 gameInfo.variant = newVariant;
2146 InitDrawingSizes(-2, 0);
2147 } else gameInfo.variant = newVariant;
2148 CopyBoard(oldBoard, board); // remember correctly formatted board
2149 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2150 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2153 static int loggedOn = FALSE;
2155 /*-- Game start info cache: --*/
2157 char gs_kind[MSG_SIZ];
2158 static char player1Name[128] = "";
2159 static char player2Name[128] = "";
2160 static char cont_seq[] = "\n\\ ";
2161 static int player1Rating = -1;
2162 static int player2Rating = -1;
2163 /*----------------------------*/
2165 ColorClass curColor = ColorNormal;
2166 int suppressKibitz = 0;
2169 Boolean soughtPending = FALSE;
2170 Boolean seekGraphUp;
2171 #define MAX_SEEK_ADS 200
2173 char *seekAdList[MAX_SEEK_ADS];
2174 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2175 float tcList[MAX_SEEK_ADS];
2176 char colorList[MAX_SEEK_ADS];
2177 int nrOfSeekAds = 0;
2178 int minRating = 1010, maxRating = 2800;
2179 int hMargin = 10, vMargin = 20, h, w;
2180 extern int squareSize, lineGap;
2185 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2186 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2187 if(r < minRating+100 && r >=0 ) r = minRating+100;
2188 if(r > maxRating) r = maxRating;
2189 if(tc < 1.) tc = 1.;
2190 if(tc > 95.) tc = 95.;
2191 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2192 y = ((double)r - minRating)/(maxRating - minRating)
2193 * (h-vMargin-squareSize/8-1) + vMargin;
2194 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2195 if(strstr(seekAdList[i], " u ")) color = 1;
2196 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2197 !strstr(seekAdList[i], "bullet") &&
2198 !strstr(seekAdList[i], "blitz") &&
2199 !strstr(seekAdList[i], "standard") ) color = 2;
2200 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2201 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2205 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2207 char buf[MSG_SIZ], *ext = "";
2208 VariantClass v = StringToVariant(type);
2209 if(strstr(type, "wild")) {
2210 ext = type + 4; // append wild number
2211 if(v == VariantFischeRandom) type = "chess960"; else
2212 if(v == VariantLoadable) type = "setup"; else
2213 type = VariantName(v);
2215 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2216 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2217 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2218 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2219 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2220 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2221 seekNrList[nrOfSeekAds] = nr;
2222 zList[nrOfSeekAds] = 0;
2223 seekAdList[nrOfSeekAds++] = StrSave(buf);
2224 if(plot) PlotSeekAd(nrOfSeekAds-1);
2231 int x = xList[i], y = yList[i], d=squareSize/4, k;
2232 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2233 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2234 // now replot every dot that overlapped
2235 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2236 int xx = xList[k], yy = yList[k];
2237 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2238 DrawSeekDot(xx, yy, colorList[k]);
2243 RemoveSeekAd(int nr)
2246 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2248 if(seekAdList[i]) free(seekAdList[i]);
2249 seekAdList[i] = seekAdList[--nrOfSeekAds];
2250 seekNrList[i] = seekNrList[nrOfSeekAds];
2251 ratingList[i] = ratingList[nrOfSeekAds];
2252 colorList[i] = colorList[nrOfSeekAds];
2253 tcList[i] = tcList[nrOfSeekAds];
2254 xList[i] = xList[nrOfSeekAds];
2255 yList[i] = yList[nrOfSeekAds];
2256 zList[i] = zList[nrOfSeekAds];
2257 seekAdList[nrOfSeekAds] = NULL;
2263 MatchSoughtLine(char *line)
2265 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2266 int nr, base, inc, u=0; char dummy;
2268 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2269 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2271 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2272 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2273 // match: compact and save the line
2274 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2284 if(!seekGraphUp) return FALSE;
2285 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2286 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2288 DrawSeekBackground(0, 0, w, h);
2289 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2290 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2291 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2292 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2294 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2297 snprintf(buf, MSG_SIZ, "%d", i);
2298 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2301 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2302 for(i=1; i<100; i+=(i<10?1:5)) {
2303 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2304 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2305 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2307 snprintf(buf, MSG_SIZ, "%d", i);
2308 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2311 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2315 int SeekGraphClick(ClickType click, int x, int y, int moving)
2317 static int lastDown = 0, displayed = 0, lastSecond;
2318 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2319 if(click == Release || moving) return FALSE;
2321 soughtPending = TRUE;
2322 SendToICS(ics_prefix);
2323 SendToICS("sought\n"); // should this be "sought all"?
2324 } else { // issue challenge based on clicked ad
2325 int dist = 10000; int i, closest = 0, second = 0;
2326 for(i=0; i<nrOfSeekAds; i++) {
2327 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2328 if(d < dist) { dist = d; closest = i; }
2329 second += (d - zList[i] < 120); // count in-range ads
2330 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2334 second = (second > 1);
2335 if(displayed != closest || second != lastSecond) {
2336 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2337 lastSecond = second; displayed = closest;
2339 if(click == Press) {
2340 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2343 } // on press 'hit', only show info
2344 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2345 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2346 SendToICS(ics_prefix);
2348 return TRUE; // let incoming board of started game pop down the graph
2349 } else if(click == Release) { // release 'miss' is ignored
2350 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2351 if(moving == 2) { // right up-click
2352 nrOfSeekAds = 0; // refresh graph
2353 soughtPending = TRUE;
2354 SendToICS(ics_prefix);
2355 SendToICS("sought\n"); // should this be "sought all"?
2358 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2359 // press miss or release hit 'pop down' seek graph
2360 seekGraphUp = FALSE;
2361 DrawPosition(TRUE, NULL);
2367 read_from_ics(isr, closure, data, count, error)
2374 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2375 #define STARTED_NONE 0
2376 #define STARTED_MOVES 1
2377 #define STARTED_BOARD 2
2378 #define STARTED_OBSERVE 3
2379 #define STARTED_HOLDINGS 4
2380 #define STARTED_CHATTER 5
2381 #define STARTED_COMMENT 6
2382 #define STARTED_MOVES_NOHIDE 7
2384 static int started = STARTED_NONE;
2385 static char parse[20000];
2386 static int parse_pos = 0;
2387 static char buf[BUF_SIZE + 1];
2388 static int firstTime = TRUE, intfSet = FALSE;
2389 static ColorClass prevColor = ColorNormal;
2390 static int savingComment = FALSE;
2391 static int cmatch = 0; // continuation sequence match
2398 int backup; /* [DM] For zippy color lines */
2400 char talker[MSG_SIZ]; // [HGM] chat
2403 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2405 if (appData.debugMode) {
2407 fprintf(debugFP, "<ICS: ");
2408 show_bytes(debugFP, data, count);
2409 fprintf(debugFP, "\n");
2413 if (appData.debugMode) { int f = forwardMostMove;
2414 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2415 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2416 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2419 /* If last read ended with a partial line that we couldn't parse,
2420 prepend it to the new read and try again. */
2421 if (leftover_len > 0) {
2422 for (i=0; i<leftover_len; i++)
2423 buf[i] = buf[leftover_start + i];
2426 /* copy new characters into the buffer */
2427 bp = buf + leftover_len;
2428 buf_len=leftover_len;
2429 for (i=0; i<count; i++)
2432 if (data[i] == '\r')
2435 // join lines split by ICS?
2436 if (!appData.noJoin)
2439 Joining just consists of finding matches against the
2440 continuation sequence, and discarding that sequence
2441 if found instead of copying it. So, until a match
2442 fails, there's nothing to do since it might be the
2443 complete sequence, and thus, something we don't want
2446 if (data[i] == cont_seq[cmatch])
2449 if (cmatch == strlen(cont_seq))
2451 cmatch = 0; // complete match. just reset the counter
2454 it's possible for the ICS to not include the space
2455 at the end of the last word, making our [correct]
2456 join operation fuse two separate words. the server
2457 does this when the space occurs at the width setting.
2459 if (!buf_len || buf[buf_len-1] != ' ')
2470 match failed, so we have to copy what matched before
2471 falling through and copying this character. In reality,
2472 this will only ever be just the newline character, but
2473 it doesn't hurt to be precise.
2475 strncpy(bp, cont_seq, cmatch);
2487 buf[buf_len] = NULLCHAR;
2488 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2493 while (i < buf_len) {
2494 /* Deal with part of the TELNET option negotiation
2495 protocol. We refuse to do anything beyond the
2496 defaults, except that we allow the WILL ECHO option,
2497 which ICS uses to turn off password echoing when we are
2498 directly connected to it. We reject this option
2499 if localLineEditing mode is on (always on in xboard)
2500 and we are talking to port 23, which might be a real
2501 telnet server that will try to keep WILL ECHO on permanently.
2503 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2504 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2505 unsigned char option;
2507 switch ((unsigned char) buf[++i]) {
2509 if (appData.debugMode)
2510 fprintf(debugFP, "\n<WILL ");
2511 switch (option = (unsigned char) buf[++i]) {
2513 if (appData.debugMode)
2514 fprintf(debugFP, "ECHO ");
2515 /* Reply only if this is a change, according
2516 to the protocol rules. */
2517 if (remoteEchoOption) break;
2518 if (appData.localLineEditing &&
2519 atoi(appData.icsPort) == TN_PORT) {
2520 TelnetRequest(TN_DONT, TN_ECHO);
2523 TelnetRequest(TN_DO, TN_ECHO);
2524 remoteEchoOption = TRUE;
2528 if (appData.debugMode)
2529 fprintf(debugFP, "%d ", option);
2530 /* Whatever this is, we don't want it. */
2531 TelnetRequest(TN_DONT, option);
2536 if (appData.debugMode)
2537 fprintf(debugFP, "\n<WONT ");
2538 switch (option = (unsigned char) buf[++i]) {
2540 if (appData.debugMode)
2541 fprintf(debugFP, "ECHO ");
2542 /* Reply only if this is a change, according
2543 to the protocol rules. */
2544 if (!remoteEchoOption) break;
2546 TelnetRequest(TN_DONT, TN_ECHO);
2547 remoteEchoOption = FALSE;
2550 if (appData.debugMode)
2551 fprintf(debugFP, "%d ", (unsigned char) option);
2552 /* Whatever this is, it must already be turned
2553 off, because we never agree to turn on
2554 anything non-default, so according to the
2555 protocol rules, we don't reply. */
2560 if (appData.debugMode)
2561 fprintf(debugFP, "\n<DO ");
2562 switch (option = (unsigned char) buf[++i]) {
2564 /* Whatever this is, we refuse to do it. */
2565 if (appData.debugMode)
2566 fprintf(debugFP, "%d ", option);
2567 TelnetRequest(TN_WONT, option);
2572 if (appData.debugMode)
2573 fprintf(debugFP, "\n<DONT ");
2574 switch (option = (unsigned char) buf[++i]) {
2576 if (appData.debugMode)
2577 fprintf(debugFP, "%d ", option);
2578 /* Whatever this is, we are already not doing
2579 it, because we never agree to do anything
2580 non-default, so according to the protocol
2581 rules, we don't reply. */
2586 if (appData.debugMode)
2587 fprintf(debugFP, "\n<IAC ");
2588 /* Doubled IAC; pass it through */
2592 if (appData.debugMode)
2593 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2594 /* Drop all other telnet commands on the floor */
2597 if (oldi > next_out)
2598 SendToPlayer(&buf[next_out], oldi - next_out);
2604 /* OK, this at least will *usually* work */
2605 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2609 if (loggedOn && !intfSet) {
2610 if (ics_type == ICS_ICC) {
2611 snprintf(str, MSG_SIZ,
2612 "/set-quietly interface %s\n/set-quietly style 12\n",
2614 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2615 strcat(str, "/set-2 51 1\n/set seek 1\n");
2616 } else if (ics_type == ICS_CHESSNET) {
2617 snprintf(str, MSG_SIZ, "/style 12\n");
2619 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2620 strcat(str, programVersion);
2621 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2625 strcat(str, "$iset nohighlight 1\n");
2627 strcat(str, "$iset lock 1\n$style 12\n");
2630 NotifyFrontendLogin();
2634 if (started == STARTED_COMMENT) {
2635 /* Accumulate characters in comment */
2636 parse[parse_pos++] = buf[i];
2637 if (buf[i] == '\n') {
2638 parse[parse_pos] = NULLCHAR;
2639 if(chattingPartner>=0) {
2641 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2642 OutputChatMessage(chattingPartner, mess);
2643 chattingPartner = -1;
2644 next_out = i+1; // [HGM] suppress printing in ICS window
2646 if(!suppressKibitz) // [HGM] kibitz
2647 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2648 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2649 int nrDigit = 0, nrAlph = 0, j;
2650 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2651 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2652 parse[parse_pos] = NULLCHAR;
2653 // try to be smart: if it does not look like search info, it should go to
2654 // ICS interaction window after all, not to engine-output window.
2655 for(j=0; j<parse_pos; j++) { // count letters and digits
2656 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2657 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2658 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2660 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2661 int depth=0; float score;
2662 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2663 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2664 pvInfoList[forwardMostMove-1].depth = depth;
2665 pvInfoList[forwardMostMove-1].score = 100*score;
2667 OutputKibitz(suppressKibitz, parse);
2670 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2671 SendToPlayer(tmp, strlen(tmp));
2673 next_out = i+1; // [HGM] suppress printing in ICS window
2675 started = STARTED_NONE;
2677 /* Don't match patterns against characters in comment */
2682 if (started == STARTED_CHATTER) {
2683 if (buf[i] != '\n') {
2684 /* Don't match patterns against characters in chatter */
2688 started = STARTED_NONE;
2689 if(suppressKibitz) next_out = i+1;
2692 /* Kludge to deal with rcmd protocol */
2693 if (firstTime && looking_at(buf, &i, "\001*")) {
2694 DisplayFatalError(&buf[1], 0, 1);
2700 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2703 if (appData.debugMode)
2704 fprintf(debugFP, "ics_type %d\n", ics_type);
2707 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2708 ics_type = ICS_FICS;
2710 if (appData.debugMode)
2711 fprintf(debugFP, "ics_type %d\n", ics_type);
2714 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2715 ics_type = ICS_CHESSNET;
2717 if (appData.debugMode)
2718 fprintf(debugFP, "ics_type %d\n", ics_type);
2723 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2724 looking_at(buf, &i, "Logging you in as \"*\"") ||
2725 looking_at(buf, &i, "will be \"*\""))) {
2726 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2730 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2732 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2733 DisplayIcsInteractionTitle(buf);
2734 have_set_title = TRUE;
2737 /* skip finger notes */
2738 if (started == STARTED_NONE &&
2739 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2740 (buf[i] == '1' && buf[i+1] == '0')) &&
2741 buf[i+2] == ':' && buf[i+3] == ' ') {
2742 started = STARTED_CHATTER;
2748 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2749 if(appData.seekGraph) {
2750 if(soughtPending && MatchSoughtLine(buf+i)) {
2751 i = strstr(buf+i, "rated") - buf;
2752 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2753 next_out = leftover_start = i;
2754 started = STARTED_CHATTER;
2755 suppressKibitz = TRUE;
2758 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2759 && looking_at(buf, &i, "* ads displayed")) {
2760 soughtPending = FALSE;
2765 if(appData.autoRefresh) {
2766 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2767 int s = (ics_type == ICS_ICC); // ICC format differs
2769 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2770 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2771 looking_at(buf, &i, "*% "); // eat prompt
2772 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2773 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2774 next_out = i; // suppress
2777 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2778 char *p = star_match[0];
2780 if(seekGraphUp) RemoveSeekAd(atoi(p));
2781 while(*p && *p++ != ' '); // next
2783 looking_at(buf, &i, "*% "); // eat prompt
2784 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2791 /* skip formula vars */
2792 if (started == STARTED_NONE &&
2793 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2794 started = STARTED_CHATTER;
2799 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2800 if (appData.autoKibitz && started == STARTED_NONE &&
2801 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2802 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2803 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2804 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2805 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2806 suppressKibitz = TRUE;
2807 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2809 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2810 && (gameMode == IcsPlayingWhite)) ||
2811 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2812 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2813 started = STARTED_CHATTER; // own kibitz we simply discard
2815 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2816 parse_pos = 0; parse[0] = NULLCHAR;
2817 savingComment = TRUE;
2818 suppressKibitz = gameMode != IcsObserving ? 2 :
2819 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2823 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2824 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2825 && atoi(star_match[0])) {
2826 // suppress the acknowledgements of our own autoKibitz
2828 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2829 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2830 SendToPlayer(star_match[0], strlen(star_match[0]));
2831 if(looking_at(buf, &i, "*% ")) // eat prompt
2832 suppressKibitz = FALSE;
2836 } // [HGM] kibitz: end of patch
2838 // [HGM] chat: intercept tells by users for which we have an open chat window
2840 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2841 looking_at(buf, &i, "* whispers:") ||
2842 looking_at(buf, &i, "* kibitzes:") ||
2843 looking_at(buf, &i, "* shouts:") ||
2844 looking_at(buf, &i, "* c-shouts:") ||
2845 looking_at(buf, &i, "--> * ") ||
2846 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2847 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2848 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2849 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2851 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2852 chattingPartner = -1;
2854 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2855 for(p=0; p<MAX_CHAT; p++) {
2856 if(channel == atoi(chatPartner[p])) {
2857 talker[0] = '['; strcat(talker, "] ");
2858 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2859 chattingPartner = p; break;
2862 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(!strcmp("kibitzes", chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 chattingPartner = p; break;
2869 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2870 for(p=0; p<MAX_CHAT; p++) {
2871 if(!strcmp("whispers", chatPartner[p])) {
2872 talker[0] = '['; strcat(talker, "] ");
2873 chattingPartner = p; break;
2876 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2877 if(buf[i-8] == '-' && buf[i-3] == 't')
2878 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2879 if(!strcmp("c-shouts", chatPartner[p])) {
2880 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2881 chattingPartner = p; break;
2884 if(chattingPartner < 0)
2885 for(p=0; p<MAX_CHAT; p++) {
2886 if(!strcmp("shouts", chatPartner[p])) {
2887 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2888 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2889 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2890 chattingPartner = p; break;
2894 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2895 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2896 talker[0] = 0; Colorize(ColorTell, FALSE);
2897 chattingPartner = p; break;
2899 if(chattingPartner<0) i = oldi; else {
2900 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2901 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2902 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2903 started = STARTED_COMMENT;
2904 parse_pos = 0; parse[0] = NULLCHAR;
2905 savingComment = 3 + chattingPartner; // counts as TRUE
2906 suppressKibitz = TRUE;
2909 } // [HGM] chat: end of patch
2911 if (appData.zippyTalk || appData.zippyPlay) {
2912 /* [DM] Backup address for color zippy lines */
2915 if (loggedOn == TRUE)
2916 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2917 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2919 } // [DM] 'else { ' deleted
2921 /* Regular tells and says */
2922 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2923 looking_at(buf, &i, "* (your partner) tells you: ") ||
2924 looking_at(buf, &i, "* says: ") ||
2925 /* Don't color "message" or "messages" output */
2926 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2927 looking_at(buf, &i, "*. * at *:*: ") ||
2928 looking_at(buf, &i, "--* (*:*): ") ||
2929 /* Message notifications (same color as tells) */
2930 looking_at(buf, &i, "* has left a message ") ||
2931 looking_at(buf, &i, "* just sent you a message:\n") ||
2932 /* Whispers and kibitzes */
2933 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2934 looking_at(buf, &i, "* kibitzes: ") ||
2936 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2938 if (tkind == 1 && strchr(star_match[0], ':')) {
2939 /* Avoid "tells you:" spoofs in channels */
2942 if (star_match[0][0] == NULLCHAR ||
2943 strchr(star_match[0], ' ') ||
2944 (tkind == 3 && strchr(star_match[1], ' '))) {
2945 /* Reject bogus matches */
2948 if (appData.colorize) {
2949 if (oldi > next_out) {
2950 SendToPlayer(&buf[next_out], oldi - next_out);
2955 Colorize(ColorTell, FALSE);
2956 curColor = ColorTell;
2959 Colorize(ColorKibitz, FALSE);
2960 curColor = ColorKibitz;
2963 p = strrchr(star_match[1], '(');
2970 Colorize(ColorChannel1, FALSE);
2971 curColor = ColorChannel1;
2973 Colorize(ColorChannel, FALSE);
2974 curColor = ColorChannel;
2978 curColor = ColorNormal;
2982 if (started == STARTED_NONE && appData.autoComment &&
2983 (gameMode == IcsObserving ||
2984 gameMode == IcsPlayingWhite ||
2985 gameMode == IcsPlayingBlack)) {
2986 parse_pos = i - oldi;
2987 memcpy(parse, &buf[oldi], parse_pos);
2988 parse[parse_pos] = NULLCHAR;
2989 started = STARTED_COMMENT;
2990 savingComment = TRUE;
2992 started = STARTED_CHATTER;
2993 savingComment = FALSE;
3000 if (looking_at(buf, &i, "* s-shouts: ") ||
3001 looking_at(buf, &i, "* c-shouts: ")) {
3002 if (appData.colorize) {
3003 if (oldi > next_out) {
3004 SendToPlayer(&buf[next_out], oldi - next_out);
3007 Colorize(ColorSShout, FALSE);
3008 curColor = ColorSShout;
3011 started = STARTED_CHATTER;
3015 if (looking_at(buf, &i, "--->")) {
3020 if (looking_at(buf, &i, "* shouts: ") ||
3021 looking_at(buf, &i, "--> ")) {
3022 if (appData.colorize) {
3023 if (oldi > next_out) {
3024 SendToPlayer(&buf[next_out], oldi - next_out);
3027 Colorize(ColorShout, FALSE);
3028 curColor = ColorShout;
3031 started = STARTED_CHATTER;
3035 if (looking_at( buf, &i, "Challenge:")) {
3036 if (appData.colorize) {
3037 if (oldi > next_out) {
3038 SendToPlayer(&buf[next_out], oldi - next_out);
3041 Colorize(ColorChallenge, FALSE);
3042 curColor = ColorChallenge;
3048 if (looking_at(buf, &i, "* offers you") ||
3049 looking_at(buf, &i, "* offers to be") ||
3050 looking_at(buf, &i, "* would like to") ||
3051 looking_at(buf, &i, "* requests to") ||
3052 looking_at(buf, &i, "Your opponent offers") ||
3053 looking_at(buf, &i, "Your opponent requests")) {
3055 if (appData.colorize) {
3056 if (oldi > next_out) {
3057 SendToPlayer(&buf[next_out], oldi - next_out);
3060 Colorize(ColorRequest, FALSE);
3061 curColor = ColorRequest;
3066 if (looking_at(buf, &i, "* (*) seeking")) {
3067 if (appData.colorize) {
3068 if (oldi > next_out) {
3069 SendToPlayer(&buf[next_out], oldi - next_out);
3072 Colorize(ColorSeek, FALSE);
3073 curColor = ColorSeek;
3078 if (looking_at(buf, &i, "\\ ")) {
3079 if (prevColor != ColorNormal) {
3080 if (oldi > next_out) {
3081 SendToPlayer(&buf[next_out], oldi - next_out);
3084 Colorize(prevColor, TRUE);
3085 curColor = prevColor;
3087 if (savingComment) {
3088 parse_pos = i - oldi;
3089 memcpy(parse, &buf[oldi], parse_pos);
3090 parse[parse_pos] = NULLCHAR;
3091 started = STARTED_COMMENT;
3092 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3093 chattingPartner = savingComment - 3; // kludge to remember the box
3095 started = STARTED_CHATTER;
3100 if (looking_at(buf, &i, "Black Strength :") ||
3101 looking_at(buf, &i, "<<< style 10 board >>>") ||
3102 looking_at(buf, &i, "<10>") ||
3103 looking_at(buf, &i, "#@#")) {
3104 /* Wrong board style */
3106 SendToICS(ics_prefix);
3107 SendToICS("set style 12\n");
3108 SendToICS(ics_prefix);
3109 SendToICS("refresh\n");
3113 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3115 have_sent_ICS_logon = 1;
3119 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3120 (looking_at(buf, &i, "\n<12> ") ||
3121 looking_at(buf, &i, "<12> "))) {
3123 if (oldi > next_out) {
3124 SendToPlayer(&buf[next_out], oldi - next_out);
3127 started = STARTED_BOARD;
3132 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3133 looking_at(buf, &i, "<b1> ")) {
3134 if (oldi > next_out) {
3135 SendToPlayer(&buf[next_out], oldi - next_out);
3138 started = STARTED_HOLDINGS;
3143 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3145 /* Header for a move list -- first line */
3147 switch (ics_getting_history) {
3151 case BeginningOfGame:
3152 /* User typed "moves" or "oldmoves" while we
3153 were idle. Pretend we asked for these
3154 moves and soak them up so user can step
3155 through them and/or save them.
3158 gameMode = IcsObserving;
3161 ics_getting_history = H_GOT_UNREQ_HEADER;
3163 case EditGame: /*?*/
3164 case EditPosition: /*?*/
3165 /* Should above feature work in these modes too? */
3166 /* For now it doesn't */
3167 ics_getting_history = H_GOT_UNWANTED_HEADER;
3170 ics_getting_history = H_GOT_UNWANTED_HEADER;
3175 /* Is this the right one? */
3176 if (gameInfo.white && gameInfo.black &&
3177 strcmp(gameInfo.white, star_match[0]) == 0 &&
3178 strcmp(gameInfo.black, star_match[2]) == 0) {
3180 ics_getting_history = H_GOT_REQ_HEADER;
3183 case H_GOT_REQ_HEADER:
3184 case H_GOT_UNREQ_HEADER:
3185 case H_GOT_UNWANTED_HEADER:
3186 case H_GETTING_MOVES:
3187 /* Should not happen */
3188 DisplayError(_("Error gathering move list: two headers"), 0);
3189 ics_getting_history = H_FALSE;
3193 /* Save player ratings into gameInfo if needed */
3194 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3195 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3196 (gameInfo.whiteRating == -1 ||
3197 gameInfo.blackRating == -1)) {
3199 gameInfo.whiteRating = string_to_rating(star_match[1]);
3200 gameInfo.blackRating = string_to_rating(star_match[3]);
3201 if (appData.debugMode)
3202 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3203 gameInfo.whiteRating, gameInfo.blackRating);
3208 if (looking_at(buf, &i,
3209 "* * match, initial time: * minute*, increment: * second")) {
3210 /* Header for a move list -- second line */
3211 /* Initial board will follow if this is a wild game */
3212 if (gameInfo.event != NULL) free(gameInfo.event);
3213 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3214 gameInfo.event = StrSave(str);
3215 /* [HGM] we switched variant. Translate boards if needed. */
3216 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3220 if (looking_at(buf, &i, "Move ")) {
3221 /* Beginning of a move list */
3222 switch (ics_getting_history) {
3224 /* Normally should not happen */
3225 /* Maybe user hit reset while we were parsing */
3228 /* Happens if we are ignoring a move list that is not
3229 * the one we just requested. Common if the user
3230 * tries to observe two games without turning off
3233 case H_GETTING_MOVES:
3234 /* Should not happen */
3235 DisplayError(_("Error gathering move list: nested"), 0);
3236 ics_getting_history = H_FALSE;
3238 case H_GOT_REQ_HEADER:
3239 ics_getting_history = H_GETTING_MOVES;
3240 started = STARTED_MOVES;
3242 if (oldi > next_out) {
3243 SendToPlayer(&buf[next_out], oldi - next_out);
3246 case H_GOT_UNREQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES_NOHIDE;
3251 case H_GOT_UNWANTED_HEADER:
3252 ics_getting_history = H_FALSE;
3258 if (looking_at(buf, &i, "% ") ||
3259 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3260 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3261 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3262 soughtPending = FALSE;
3266 if(suppressKibitz) next_out = i;
3267 savingComment = FALSE;
3271 case STARTED_MOVES_NOHIDE:
3272 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3273 parse[parse_pos + i - oldi] = NULLCHAR;
3274 ParseGameHistory(parse);
3276 if (appData.zippyPlay && first.initDone) {
3277 FeedMovesToProgram(&first, forwardMostMove);
3278 if (gameMode == IcsPlayingWhite) {
3279 if (WhiteOnMove(forwardMostMove)) {
3280 if (first.sendTime) {
3281 if (first.useColors) {
3282 SendToProgram("black\n", &first);
3284 SendTimeRemaining(&first, TRUE);
3286 if (first.useColors) {
3287 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3289 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3290 first.maybeThinking = TRUE;
3292 if (first.usePlayother) {
3293 if (first.sendTime) {
3294 SendTimeRemaining(&first, TRUE);
3296 SendToProgram("playother\n", &first);
3302 } else if (gameMode == IcsPlayingBlack) {
3303 if (!WhiteOnMove(forwardMostMove)) {
3304 if (first.sendTime) {
3305 if (first.useColors) {
3306 SendToProgram("white\n", &first);
3308 SendTimeRemaining(&first, FALSE);
3310 if (first.useColors) {
3311 SendToProgram("black\n", &first);
3313 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3314 first.maybeThinking = TRUE;
3316 if (first.usePlayother) {
3317 if (first.sendTime) {
3318 SendTimeRemaining(&first, FALSE);
3320 SendToProgram("playother\n", &first);
3329 if (gameMode == IcsObserving && ics_gamenum == -1) {
3330 /* Moves came from oldmoves or moves command
3331 while we weren't doing anything else.
3333 currentMove = forwardMostMove;
3334 ClearHighlights();/*!!could figure this out*/
3335 flipView = appData.flipView;
3336 DrawPosition(TRUE, boards[currentMove]);
3337 DisplayBothClocks();
3338 snprintf(str, MSG_SIZ, "%s vs. %s",
3339 gameInfo.white, gameInfo.black);
3343 /* Moves were history of an active game */
3344 if (gameInfo.resultDetails != NULL) {
3345 free(gameInfo.resultDetails);
3346 gameInfo.resultDetails = NULL;
3349 HistorySet(parseList, backwardMostMove,
3350 forwardMostMove, currentMove-1);
3351 DisplayMove(currentMove - 1);
3352 if (started == STARTED_MOVES) next_out = i;
3353 started = STARTED_NONE;
3354 ics_getting_history = H_FALSE;
3357 case STARTED_OBSERVE:
3358 started = STARTED_NONE;
3359 SendToICS(ics_prefix);
3360 SendToICS("refresh\n");
3366 if(bookHit) { // [HGM] book: simulate book reply
3367 static char bookMove[MSG_SIZ]; // a bit generous?
3369 programStats.nodes = programStats.depth = programStats.time =
3370 programStats.score = programStats.got_only_move = 0;
3371 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3373 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3374 strcat(bookMove, bookHit);
3375 HandleMachineMove(bookMove, &first);
3380 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3381 started == STARTED_HOLDINGS ||
3382 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3383 /* Accumulate characters in move list or board */
3384 parse[parse_pos++] = buf[i];
3387 /* Start of game messages. Mostly we detect start of game
3388 when the first board image arrives. On some versions
3389 of the ICS, though, we need to do a "refresh" after starting
3390 to observe in order to get the current board right away. */
3391 if (looking_at(buf, &i, "Adding game * to observation list")) {
3392 started = STARTED_OBSERVE;
3396 /* Handle auto-observe */
3397 if (appData.autoObserve &&
3398 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3399 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3401 /* Choose the player that was highlighted, if any. */
3402 if (star_match[0][0] == '\033' ||
3403 star_match[1][0] != '\033') {
3404 player = star_match[0];
3406 player = star_match[2];
3408 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3409 ics_prefix, StripHighlightAndTitle(player));
3412 /* Save ratings from notify string */
3413 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3414 player1Rating = string_to_rating(star_match[1]);
3415 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3416 player2Rating = string_to_rating(star_match[3]);
3418 if (appData.debugMode)
3420 "Ratings from 'Game notification:' %s %d, %s %d\n",
3421 player1Name, player1Rating,
3422 player2Name, player2Rating);
3427 /* Deal with automatic examine mode after a game,
3428 and with IcsObserving -> IcsExamining transition */
3429 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3430 looking_at(buf, &i, "has made you an examiner of game *")) {
3432 int gamenum = atoi(star_match[0]);
3433 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3434 gamenum == ics_gamenum) {
3435 /* We were already playing or observing this game;
3436 no need to refetch history */
3437 gameMode = IcsExamining;
3439 pauseExamForwardMostMove = forwardMostMove;
3440 } else if (currentMove < forwardMostMove) {
3441 ForwardInner(forwardMostMove);
3444 /* I don't think this case really can happen */
3445 SendToICS(ics_prefix);
3446 SendToICS("refresh\n");
3451 /* Error messages */
3452 // if (ics_user_moved) {
3453 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3454 if (looking_at(buf, &i, "Illegal move") ||
3455 looking_at(buf, &i, "Not a legal move") ||
3456 looking_at(buf, &i, "Your king is in check") ||
3457 looking_at(buf, &i, "It isn't your turn") ||
3458 looking_at(buf, &i, "It is not your move")) {
3460 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3461 currentMove = forwardMostMove-1;
3462 DisplayMove(currentMove - 1); /* before DMError */
3463 DrawPosition(FALSE, boards[currentMove]);
3464 SwitchClocks(forwardMostMove-1); // [HGM] race
3465 DisplayBothClocks();
3467 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3473 if (looking_at(buf, &i, "still have time") ||
3474 looking_at(buf, &i, "not out of time") ||
3475 looking_at(buf, &i, "either player is out of time") ||
3476 looking_at(buf, &i, "has timeseal; checking")) {
3477 /* We must have called his flag a little too soon */
3478 whiteFlag = blackFlag = FALSE;
3482 if (looking_at(buf, &i, "added * seconds to") ||
3483 looking_at(buf, &i, "seconds were added to")) {
3484 /* Update the clocks */
3485 SendToICS(ics_prefix);
3486 SendToICS("refresh\n");
3490 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3491 ics_clock_paused = TRUE;
3496 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3497 ics_clock_paused = FALSE;
3502 /* Grab player ratings from the Creating: message.
3503 Note we have to check for the special case when
3504 the ICS inserts things like [white] or [black]. */
3505 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3506 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3508 0 player 1 name (not necessarily white)
3510 2 empty, white, or black (IGNORED)
3511 3 player 2 name (not necessarily black)
3514 The names/ratings are sorted out when the game
3515 actually starts (below).
3517 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3518 player1Rating = string_to_rating(star_match[1]);
3519 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3520 player2Rating = string_to_rating(star_match[4]);
3522 if (appData.debugMode)
3524 "Ratings from 'Creating:' %s %d, %s %d\n",
3525 player1Name, player1Rating,
3526 player2Name, player2Rating);
3531 /* Improved generic start/end-of-game messages */
3532 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3533 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3534 /* If tkind == 0: */
3535 /* star_match[0] is the game number */
3536 /* [1] is the white player's name */
3537 /* [2] is the black player's name */
3538 /* For end-of-game: */
3539 /* [3] is the reason for the game end */
3540 /* [4] is a PGN end game-token, preceded by " " */
3541 /* For start-of-game: */
3542 /* [3] begins with "Creating" or "Continuing" */
3543 /* [4] is " *" or empty (don't care). */
3544 int gamenum = atoi(star_match[0]);
3545 char *whitename, *blackname, *why, *endtoken;
3546 ChessMove endtype = EndOfFile;
3549 whitename = star_match[1];
3550 blackname = star_match[2];
3551 why = star_match[3];
3552 endtoken = star_match[4];
3554 whitename = star_match[1];
3555 blackname = star_match[3];
3556 why = star_match[5];
3557 endtoken = star_match[6];
3560 /* Game start messages */
3561 if (strncmp(why, "Creating ", 9) == 0 ||
3562 strncmp(why, "Continuing ", 11) == 0) {
3563 gs_gamenum = gamenum;
3564 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3565 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3567 if (appData.zippyPlay) {
3568 ZippyGameStart(whitename, blackname);
3571 partnerBoardValid = FALSE; // [HGM] bughouse
3575 /* Game end messages */
3576 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3577 ics_gamenum != gamenum) {
3580 while (endtoken[0] == ' ') endtoken++;
3581 switch (endtoken[0]) {
3584 endtype = GameUnfinished;
3587 endtype = BlackWins;
3590 if (endtoken[1] == '/')
3591 endtype = GameIsDrawn;
3593 endtype = WhiteWins;
3596 GameEnds(endtype, why, GE_ICS);
3598 if (appData.zippyPlay && first.initDone) {
3599 ZippyGameEnd(endtype, why);
3600 if (first.pr == NULL) {
3601 /* Start the next process early so that we'll
3602 be ready for the next challenge */
3603 StartChessProgram(&first);
3605 /* Send "new" early, in case this command takes
3606 a long time to finish, so that we'll be ready
3607 for the next challenge. */
3608 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3612 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3616 if (looking_at(buf, &i, "Removing game * from observation") ||
3617 looking_at(buf, &i, "no longer observing game *") ||
3618 looking_at(buf, &i, "Game * (*) has no examiners")) {
3619 if (gameMode == IcsObserving &&
3620 atoi(star_match[0]) == ics_gamenum)
3622 /* icsEngineAnalyze */
3623 if (appData.icsEngineAnalyze) {
3630 ics_user_moved = FALSE;
3635 if (looking_at(buf, &i, "no longer examining game *")) {
3636 if (gameMode == IcsExamining &&
3637 atoi(star_match[0]) == ics_gamenum)
3641 ics_user_moved = FALSE;
3646 /* Advance leftover_start past any newlines we find,
3647 so only partial lines can get reparsed */
3648 if (looking_at(buf, &i, "\n")) {
3649 prevColor = curColor;
3650 if (curColor != ColorNormal) {
3651 if (oldi > next_out) {
3652 SendToPlayer(&buf[next_out], oldi - next_out);
3655 Colorize(ColorNormal, FALSE);
3656 curColor = ColorNormal;
3658 if (started == STARTED_BOARD) {
3659 started = STARTED_NONE;
3660 parse[parse_pos] = NULLCHAR;
3661 ParseBoard12(parse);
3664 /* Send premove here */
3665 if (appData.premove) {
3667 if (currentMove == 0 &&
3668 gameMode == IcsPlayingWhite &&
3669 appData.premoveWhite) {
3670 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3671 if (appData.debugMode)
3672 fprintf(debugFP, "Sending premove:\n");
3674 } else if (currentMove == 1 &&
3675 gameMode == IcsPlayingBlack &&
3676 appData.premoveBlack) {
3677 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3678 if (appData.debugMode)
3679 fprintf(debugFP, "Sending premove:\n");
3681 } else if (gotPremove) {
3683 ClearPremoveHighlights();
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Sending premove:\n");
3686 UserMoveEvent(premoveFromX, premoveFromY,
3687 premoveToX, premoveToY,
3692 /* Usually suppress following prompt */
3693 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3694 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3695 if (looking_at(buf, &i, "*% ")) {
3696 savingComment = FALSE;
3701 } else if (started == STARTED_HOLDINGS) {
3703 char new_piece[MSG_SIZ];
3704 started = STARTED_NONE;
3705 parse[parse_pos] = NULLCHAR;
3706 if (appData.debugMode)
3707 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3708 parse, currentMove);
3709 if (sscanf(parse, " game %d", &gamenum) == 1) {
3710 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3711 if (gameInfo.variant == VariantNormal) {
3712 /* [HGM] We seem to switch variant during a game!
3713 * Presumably no holdings were displayed, so we have
3714 * to move the position two files to the right to
3715 * create room for them!
3717 VariantClass newVariant;
3718 switch(gameInfo.boardWidth) { // base guess on board width
3719 case 9: newVariant = VariantShogi; break;
3720 case 10: newVariant = VariantGreat; break;
3721 default: newVariant = VariantCrazyhouse; break;
3723 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3724 /* Get a move list just to see the header, which
3725 will tell us whether this is really bug or zh */
3726 if (ics_getting_history == H_FALSE) {
3727 ics_getting_history = H_REQUESTED;
3728 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3732 new_piece[0] = NULLCHAR;
3733 sscanf(parse, "game %d white [%s black [%s <- %s",
3734 &gamenum, white_holding, black_holding,
3736 white_holding[strlen(white_holding)-1] = NULLCHAR;
3737 black_holding[strlen(black_holding)-1] = NULLCHAR;
3738 /* [HGM] copy holdings to board holdings area */
3739 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3740 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3741 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3743 if (appData.zippyPlay && first.initDone) {
3744 ZippyHoldings(white_holding, black_holding,
3748 if (tinyLayout || smallLayout) {
3749 char wh[16], bh[16];
3750 PackHolding(wh, white_holding);
3751 PackHolding(bh, black_holding);
3752 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3753 gameInfo.white, gameInfo.black);
3755 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3756 gameInfo.white, white_holding,
3757 gameInfo.black, black_holding);
3759 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3760 DrawPosition(FALSE, boards[currentMove]);
3762 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3763 sscanf(parse, "game %d white [%s black [%s <- %s",
3764 &gamenum, white_holding, black_holding,
3766 white_holding[strlen(white_holding)-1] = NULLCHAR;
3767 black_holding[strlen(black_holding)-1] = NULLCHAR;
3768 /* [HGM] copy holdings to partner-board holdings area */
3769 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3770 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3771 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3772 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3773 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3776 /* Suppress following prompt */
3777 if (looking_at(buf, &i, "*% ")) {
3778 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3779 savingComment = FALSE;
3787 i++; /* skip unparsed character and loop back */
3790 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3791 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3792 // SendToPlayer(&buf[next_out], i - next_out);
3793 started != STARTED_HOLDINGS && leftover_start > next_out) {
3794 SendToPlayer(&buf[next_out], leftover_start - next_out);
3798 leftover_len = buf_len - leftover_start;
3799 /* if buffer ends with something we couldn't parse,
3800 reparse it after appending the next read */
3802 } else if (count == 0) {
3803 RemoveInputSource(isr);
3804 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3806 DisplayFatalError(_("Error reading from ICS"), error, 1);
3811 /* Board style 12 looks like this:
3813 <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
3815 * The "<12> " is stripped before it gets to this routine. The two
3816 * trailing 0's (flip state and clock ticking) are later addition, and
3817 * some chess servers may not have them, or may have only the first.
3818 * Additional trailing fields may be added in the future.
3821 #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"
3823 #define RELATION_OBSERVING_PLAYED 0
3824 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3825 #define RELATION_PLAYING_MYMOVE 1
3826 #define RELATION_PLAYING_NOTMYMOVE -1
3827 #define RELATION_EXAMINING 2
3828 #define RELATION_ISOLATED_BOARD -3
3829 #define RELATION_STARTING_POSITION -4 /* FICS only */
3832 ParseBoard12(string)
3835 GameMode newGameMode;
3836 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3837 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3838 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3839 char to_play, board_chars[200];
3840 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3841 char black[32], white[32];
3843 int prevMove = currentMove;
3846 int fromX, fromY, toX, toY;
3848 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3849 char *bookHit = NULL; // [HGM] book
3850 Boolean weird = FALSE, reqFlag = FALSE;
3852 fromX = fromY = toX = toY = -1;
3856 if (appData.debugMode)
3857 fprintf(debugFP, _("Parsing board: %s\n"), string);
3859 move_str[0] = NULLCHAR;
3860 elapsed_time[0] = NULLCHAR;
3861 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3863 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3864 if(string[i] == ' ') { ranks++; files = 0; }
3866 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3869 for(j = 0; j <i; j++) board_chars[j] = string[j];
3870 board_chars[i] = '\0';
3873 n = sscanf(string, PATTERN, &to_play, &double_push,
3874 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3875 &gamenum, white, black, &relation, &basetime, &increment,
3876 &white_stren, &black_stren, &white_time, &black_time,
3877 &moveNum, str, elapsed_time, move_str, &ics_flip,
3881 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3882 DisplayError(str, 0);
3886 /* Convert the move number to internal form */
3887 moveNum = (moveNum - 1) * 2;
3888 if (to_play == 'B') moveNum++;
3889 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3890 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3896 case RELATION_OBSERVING_PLAYED:
3897 case RELATION_OBSERVING_STATIC:
3898 if (gamenum == -1) {
3899 /* Old ICC buglet */
3900 relation = RELATION_OBSERVING_STATIC;
3902 newGameMode = IcsObserving;
3904 case RELATION_PLAYING_MYMOVE:
3905 case RELATION_PLAYING_NOTMYMOVE:
3907 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3908 IcsPlayingWhite : IcsPlayingBlack;
3910 case RELATION_EXAMINING:
3911 newGameMode = IcsExamining;
3913 case RELATION_ISOLATED_BOARD:
3915 /* Just display this board. If user was doing something else,
3916 we will forget about it until the next board comes. */
3917 newGameMode = IcsIdle;
3919 case RELATION_STARTING_POSITION:
3920 newGameMode = gameMode;
3924 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3925 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3926 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3928 for (k = 0; k < ranks; k++) {
3929 for (j = 0; j < files; j++)
3930 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3931 if(gameInfo.holdingsWidth > 1) {
3932 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3933 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3936 CopyBoard(partnerBoard, board);
3937 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3938 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3939 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3940 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3941 if(toSqr = strchr(str, '-')) {
3942 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3943 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3944 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3945 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3946 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3947 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3948 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3949 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3950 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3951 DisplayMessage(partnerStatus, "");
3952 partnerBoardValid = TRUE;
3956 /* Modify behavior for initial board display on move listing
3959 switch (ics_getting_history) {
3963 case H_GOT_REQ_HEADER:
3964 case H_GOT_UNREQ_HEADER:
3965 /* This is the initial position of the current game */
3966 gamenum = ics_gamenum;
3967 moveNum = 0; /* old ICS bug workaround */
3968 if (to_play == 'B') {
3969 startedFromSetupPosition = TRUE;
3970 blackPlaysFirst = TRUE;
3972 if (forwardMostMove == 0) forwardMostMove = 1;
3973 if (backwardMostMove == 0) backwardMostMove = 1;
3974 if (currentMove == 0) currentMove = 1;
3976 newGameMode = gameMode;
3977 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3979 case H_GOT_UNWANTED_HEADER:
3980 /* This is an initial board that we don't want */
3982 case H_GETTING_MOVES:
3983 /* Should not happen */
3984 DisplayError(_("Error gathering move list: extra board"), 0);
3985 ics_getting_history = H_FALSE;
3989 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3990 weird && (int)gameInfo.variant < (int)VariantShogi) {
3991 /* [HGM] We seem to have switched variant unexpectedly
3992 * Try to guess new variant from board size
3994 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
3995 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
3996 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
3997 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
3998 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
3999 if(!weird) newVariant = VariantNormal;
4000 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4001 /* Get a move list just to see the header, which
4002 will tell us whether this is really bug or zh */
4003 if (ics_getting_history == H_FALSE) {
4004 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4005 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4010 /* Take action if this is the first board of a new game, or of a
4011 different game than is currently being displayed. */
4012 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4013 relation == RELATION_ISOLATED_BOARD) {
4015 /* Forget the old game and get the history (if any) of the new one */
4016 if (gameMode != BeginningOfGame) {
4020 if (appData.autoRaiseBoard) BoardToTop();
4022 if (gamenum == -1) {
4023 newGameMode = IcsIdle;
4024 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4025 appData.getMoveList && !reqFlag) {
4026 /* Need to get game history */
4027 ics_getting_history = H_REQUESTED;
4028 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4032 /* Initially flip the board to have black on the bottom if playing
4033 black or if the ICS flip flag is set, but let the user change
4034 it with the Flip View button. */
4035 flipView = appData.autoFlipView ?
4036 (newGameMode == IcsPlayingBlack) || ics_flip :
4039 /* Done with values from previous mode; copy in new ones */
4040 gameMode = newGameMode;
4042 ics_gamenum = gamenum;
4043 if (gamenum == gs_gamenum) {
4044 int klen = strlen(gs_kind);
4045 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4046 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4047 gameInfo.event = StrSave(str);
4049 gameInfo.event = StrSave("ICS game");
4051 gameInfo.site = StrSave(appData.icsHost);
4052 gameInfo.date = PGNDate();
4053 gameInfo.round = StrSave("-");
4054 gameInfo.white = StrSave(white);
4055 gameInfo.black = StrSave(black);
4056 timeControl = basetime * 60 * 1000;
4058 timeIncrement = increment * 1000;
4059 movesPerSession = 0;
4060 gameInfo.timeControl = TimeControlTagValue();
4061 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4062 if (appData.debugMode) {
4063 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4064 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4065 setbuf(debugFP, NULL);
4068 gameInfo.outOfBook = NULL;
4070 /* Do we have the ratings? */
4071 if (strcmp(player1Name, white) == 0 &&
4072 strcmp(player2Name, black) == 0) {
4073 if (appData.debugMode)
4074 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4075 player1Rating, player2Rating);
4076 gameInfo.whiteRating = player1Rating;
4077 gameInfo.blackRating = player2Rating;
4078 } else if (strcmp(player2Name, white) == 0 &&
4079 strcmp(player1Name, black) == 0) {
4080 if (appData.debugMode)
4081 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4082 player2Rating, player1Rating);
4083 gameInfo.whiteRating = player2Rating;
4084 gameInfo.blackRating = player1Rating;
4086 player1Name[0] = player2Name[0] = NULLCHAR;
4088 /* Silence shouts if requested */
4089 if (appData.quietPlay &&
4090 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4091 SendToICS(ics_prefix);
4092 SendToICS("set shout 0\n");
4096 /* Deal with midgame name changes */
4098 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4099 if (gameInfo.white) free(gameInfo.white);
4100 gameInfo.white = StrSave(white);
4102 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4103 if (gameInfo.black) free(gameInfo.black);
4104 gameInfo.black = StrSave(black);
4108 /* Throw away game result if anything actually changes in examine mode */
4109 if (gameMode == IcsExamining && !newGame) {
4110 gameInfo.result = GameUnfinished;
4111 if (gameInfo.resultDetails != NULL) {
4112 free(gameInfo.resultDetails);
4113 gameInfo.resultDetails = NULL;
4117 /* In pausing && IcsExamining mode, we ignore boards coming
4118 in if they are in a different variation than we are. */
4119 if (pauseExamInvalid) return;
4120 if (pausing && gameMode == IcsExamining) {
4121 if (moveNum <= pauseExamForwardMostMove) {
4122 pauseExamInvalid = TRUE;
4123 forwardMostMove = pauseExamForwardMostMove;
4128 if (appData.debugMode) {
4129 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4131 /* Parse the board */
4132 for (k = 0; k < ranks; k++) {
4133 for (j = 0; j < files; j++)
4134 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4135 if(gameInfo.holdingsWidth > 1) {
4136 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4137 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4140 CopyBoard(boards[moveNum], board);
4141 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4143 startedFromSetupPosition =
4144 !CompareBoards(board, initialPosition);
4145 if(startedFromSetupPosition)
4146 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4149 /* [HGM] Set castling rights. Take the outermost Rooks,
4150 to make it also work for FRC opening positions. Note that board12
4151 is really defective for later FRC positions, as it has no way to
4152 indicate which Rook can castle if they are on the same side of King.
4153 For the initial position we grant rights to the outermost Rooks,
4154 and remember thos rights, and we then copy them on positions
4155 later in an FRC game. This means WB might not recognize castlings with
4156 Rooks that have moved back to their original position as illegal,
4157 but in ICS mode that is not its job anyway.
4159 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4160 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4162 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4163 if(board[0][i] == WhiteRook) j = i;
4164 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4165 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4166 if(board[0][i] == WhiteRook) j = i;
4167 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4168 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4169 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4170 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4171 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4172 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4173 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4175 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4176 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4177 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4178 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4179 if(board[BOARD_HEIGHT-1][k] == bKing)
4180 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4181 if(gameInfo.variant == VariantTwoKings) {
4182 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4183 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4184 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4187 r = boards[moveNum][CASTLING][0] = initialRights[0];
4188 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4189 r = boards[moveNum][CASTLING][1] = initialRights[1];
4190 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4191 r = boards[moveNum][CASTLING][3] = initialRights[3];
4192 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4193 r = boards[moveNum][CASTLING][4] = initialRights[4];
4194 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4195 /* wildcastle kludge: always assume King has rights */
4196 r = boards[moveNum][CASTLING][2] = initialRights[2];
4197 r = boards[moveNum][CASTLING][5] = initialRights[5];
4199 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4200 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4203 if (ics_getting_history == H_GOT_REQ_HEADER ||
4204 ics_getting_history == H_GOT_UNREQ_HEADER) {
4205 /* This was an initial position from a move list, not
4206 the current position */
4210 /* Update currentMove and known move number limits */
4211 newMove = newGame || moveNum > forwardMostMove;
4214 forwardMostMove = backwardMostMove = currentMove = moveNum;
4215 if (gameMode == IcsExamining && moveNum == 0) {
4216 /* Workaround for ICS limitation: we are not told the wild
4217 type when starting to examine a game. But if we ask for
4218 the move list, the move list header will tell us */
4219 ics_getting_history = H_REQUESTED;
4220 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4223 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4224 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4226 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4227 /* [HGM] applied this also to an engine that is silently watching */
4228 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4229 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4230 gameInfo.variant == currentlyInitializedVariant) {
4231 takeback = forwardMostMove - moveNum;
4232 for (i = 0; i < takeback; i++) {
4233 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4234 SendToProgram("undo\n", &first);
4239 forwardMostMove = moveNum;
4240 if (!pausing || currentMove > forwardMostMove)
4241 currentMove = forwardMostMove;
4243 /* New part of history that is not contiguous with old part */
4244 if (pausing && gameMode == IcsExamining) {
4245 pauseExamInvalid = TRUE;
4246 forwardMostMove = pauseExamForwardMostMove;
4249 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4251 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4252 // [HGM] when we will receive the move list we now request, it will be
4253 // fed to the engine from the first move on. So if the engine is not
4254 // in the initial position now, bring it there.
4255 InitChessProgram(&first, 0);
4258 ics_getting_history = H_REQUESTED;
4259 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4262 forwardMostMove = backwardMostMove = currentMove = moveNum;
4265 /* Update the clocks */
4266 if (strchr(elapsed_time, '.')) {
4268 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4269 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4271 /* Time is in seconds */
4272 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4273 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4278 if (appData.zippyPlay && newGame &&
4279 gameMode != IcsObserving && gameMode != IcsIdle &&
4280 gameMode != IcsExamining)
4281 ZippyFirstBoard(moveNum, basetime, increment);
4284 /* Put the move on the move list, first converting
4285 to canonical algebraic form. */
4287 if (appData.debugMode) {
4288 if (appData.debugMode) { int f = forwardMostMove;
4289 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4290 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4291 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4293 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4294 fprintf(debugFP, "moveNum = %d\n", moveNum);
4295 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4296 setbuf(debugFP, NULL);
4298 if (moveNum <= backwardMostMove) {
4299 /* We don't know what the board looked like before
4301 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4302 strcat(parseList[moveNum - 1], " ");
4303 strcat(parseList[moveNum - 1], elapsed_time);
4304 moveList[moveNum - 1][0] = NULLCHAR;
4305 } else if (strcmp(move_str, "none") == 0) {
4306 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4307 /* Again, we don't know what the board looked like;
4308 this is really the start of the game. */
4309 parseList[moveNum - 1][0] = NULLCHAR;
4310 moveList[moveNum - 1][0] = NULLCHAR;
4311 backwardMostMove = moveNum;
4312 startedFromSetupPosition = TRUE;
4313 fromX = fromY = toX = toY = -1;
4315 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4316 // So we parse the long-algebraic move string in stead of the SAN move
4317 int valid; char buf[MSG_SIZ], *prom;
4319 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4320 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4321 // str looks something like "Q/a1-a2"; kill the slash
4323 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4324 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4325 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4326 strcat(buf, prom); // long move lacks promo specification!
4327 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4328 if(appData.debugMode)
4329 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4330 safeStrCpy(move_str, buf, MSG_SIZ);
4332 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4333 &fromX, &fromY, &toX, &toY, &promoChar)
4334 || ParseOneMove(buf, moveNum - 1, &moveType,
4335 &fromX, &fromY, &toX, &toY, &promoChar);
4336 // end of long SAN patch
4338 (void) CoordsToAlgebraic(boards[moveNum - 1],
4339 PosFlags(moveNum - 1),
4340 fromY, fromX, toY, toX, promoChar,
4341 parseList[moveNum-1]);
4342 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4348 if(gameInfo.variant != VariantShogi)
4349 strcat(parseList[moveNum - 1], "+");
4352 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4353 strcat(parseList[moveNum - 1], "#");
4356 strcat(parseList[moveNum - 1], " ");
4357 strcat(parseList[moveNum - 1], elapsed_time);
4358 /* currentMoveString is set as a side-effect of ParseOneMove */
4359 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4360 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4361 strcat(moveList[moveNum - 1], "\n");
4363 if(gameInfo.holdingsWidth && !appData.disguise) // inherit info that ICS does not give from previous board
4364 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4365 ChessSquare old, new = boards[moveNum][k][j];
4366 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4367 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4368 if(old == new) continue;
4369 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4370 else if(new == WhiteWazir || new == BlackWazir) {
4371 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4372 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4373 else boards[moveNum][k][j] = old; // preserve type of Gold
4374 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4375 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4378 /* Move from ICS was illegal!? Punt. */
4379 if (appData.debugMode) {
4380 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4381 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4383 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4384 strcat(parseList[moveNum - 1], " ");
4385 strcat(parseList[moveNum - 1], elapsed_time);
4386 moveList[moveNum - 1][0] = NULLCHAR;
4387 fromX = fromY = toX = toY = -1;
4390 if (appData.debugMode) {
4391 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4392 setbuf(debugFP, NULL);
4396 /* Send move to chess program (BEFORE animating it). */
4397 if (appData.zippyPlay && !newGame && newMove &&
4398 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4400 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4401 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4402 if (moveList[moveNum - 1][0] == NULLCHAR) {
4403 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4405 DisplayError(str, 0);
4407 if (first.sendTime) {
4408 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4410 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4411 if (firstMove && !bookHit) {
4413 if (first.useColors) {
4414 SendToProgram(gameMode == IcsPlayingWhite ?
4416 "black\ngo\n", &first);
4418 SendToProgram("go\n", &first);
4420 first.maybeThinking = TRUE;
4423 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4424 if (moveList[moveNum - 1][0] == NULLCHAR) {
4425 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4426 DisplayError(str, 0);
4428 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4429 SendMoveToProgram(moveNum - 1, &first);
4436 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4437 /* If move comes from a remote source, animate it. If it
4438 isn't remote, it will have already been animated. */
4439 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4440 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4442 if (!pausing && appData.highlightLastMove) {
4443 SetHighlights(fromX, fromY, toX, toY);
4447 /* Start the clocks */
4448 whiteFlag = blackFlag = FALSE;
4449 appData.clockMode = !(basetime == 0 && increment == 0);
4451 ics_clock_paused = TRUE;
4453 } else if (ticking == 1) {
4454 ics_clock_paused = FALSE;
4456 if (gameMode == IcsIdle ||
4457 relation == RELATION_OBSERVING_STATIC ||
4458 relation == RELATION_EXAMINING ||
4460 DisplayBothClocks();
4464 /* Display opponents and material strengths */
4465 if (gameInfo.variant != VariantBughouse &&
4466 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4467 if (tinyLayout || smallLayout) {
4468 if(gameInfo.variant == VariantNormal)
4469 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4470 gameInfo.white, white_stren, gameInfo.black, black_stren,
4471 basetime, increment);
4473 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4474 gameInfo.white, white_stren, gameInfo.black, black_stren,
4475 basetime, increment, (int) gameInfo.variant);
4477 if(gameInfo.variant == VariantNormal)
4478 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4479 gameInfo.white, white_stren, gameInfo.black, black_stren,
4480 basetime, increment);
4482 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4483 gameInfo.white, white_stren, gameInfo.black, black_stren,
4484 basetime, increment, VariantName(gameInfo.variant));
4487 if (appData.debugMode) {
4488 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4493 /* Display the board */
4494 if (!pausing && !appData.noGUI) {
4496 if (appData.premove)
4498 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4499 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4500 ClearPremoveHighlights();
4502 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4503 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4504 DrawPosition(j, boards[currentMove]);
4506 DisplayMove(moveNum - 1);
4507 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4508 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4509 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4510 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4514 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4516 if(bookHit) { // [HGM] book: simulate book reply
4517 static char bookMove[MSG_SIZ]; // a bit generous?
4519 programStats.nodes = programStats.depth = programStats.time =
4520 programStats.score = programStats.got_only_move = 0;
4521 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4523 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4524 strcat(bookMove, bookHit);
4525 HandleMachineMove(bookMove, &first);
4534 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4535 ics_getting_history = H_REQUESTED;
4536 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4542 AnalysisPeriodicEvent(force)
4545 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4546 && !force) || !appData.periodicUpdates)
4549 /* Send . command to Crafty to collect stats */
4550 SendToProgram(".\n", &first);
4552 /* Don't send another until we get a response (this makes
4553 us stop sending to old Crafty's which don't understand
4554 the "." command (sending illegal cmds resets node count & time,
4555 which looks bad)) */
4556 programStats.ok_to_send = 0;
4559 void ics_update_width(new_width)
4562 ics_printf("set width %d\n", new_width);
4566 SendMoveToProgram(moveNum, cps)
4568 ChessProgramState *cps;
4572 if (cps->useUsermove) {
4573 SendToProgram("usermove ", cps);
4577 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4578 int len = space - parseList[moveNum];
4579 memcpy(buf, parseList[moveNum], len);
4581 buf[len] = NULLCHAR;
4583 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4585 SendToProgram(buf, cps);
4587 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4588 AlphaRank(moveList[moveNum], 4);
4589 SendToProgram(moveList[moveNum], cps);
4590 AlphaRank(moveList[moveNum], 4); // and back
4592 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4593 * the engine. It would be nice to have a better way to identify castle
4595 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4596 && cps->useOOCastle) {
4597 int fromX = moveList[moveNum][0] - AAA;
4598 int fromY = moveList[moveNum][1] - ONE;
4599 int toX = moveList[moveNum][2] - AAA;
4600 int toY = moveList[moveNum][3] - ONE;
4601 if((boards[moveNum][fromY][fromX] == WhiteKing
4602 && boards[moveNum][toY][toX] == WhiteRook)
4603 || (boards[moveNum][fromY][fromX] == BlackKing
4604 && boards[moveNum][toY][toX] == BlackRook)) {
4605 if(toX > fromX) SendToProgram("O-O\n", cps);
4606 else SendToProgram("O-O-O\n", cps);
4608 else SendToProgram(moveList[moveNum], cps);
4610 else SendToProgram(moveList[moveNum], cps);
4611 /* End of additions by Tord */
4614 /* [HGM] setting up the opening has brought engine in force mode! */
4615 /* Send 'go' if we are in a mode where machine should play. */
4616 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4617 (gameMode == TwoMachinesPlay ||
4619 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4621 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4622 SendToProgram("go\n", cps);
4623 if (appData.debugMode) {
4624 fprintf(debugFP, "(extra)\n");
4627 setboardSpoiledMachineBlack = 0;
4631 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4633 int fromX, fromY, toX, toY;
4636 char user_move[MSG_SIZ];
4640 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4641 (int)moveType, fromX, fromY, toX, toY);
4642 DisplayError(user_move + strlen("say "), 0);
4644 case WhiteKingSideCastle:
4645 case BlackKingSideCastle:
4646 case WhiteQueenSideCastleWild:
4647 case BlackQueenSideCastleWild:
4649 case WhiteHSideCastleFR:
4650 case BlackHSideCastleFR:
4652 snprintf(user_move, MSG_SIZ, "o-o\n");
4654 case WhiteQueenSideCastle:
4655 case BlackQueenSideCastle:
4656 case WhiteKingSideCastleWild:
4657 case BlackKingSideCastleWild:
4659 case WhiteASideCastleFR:
4660 case BlackASideCastleFR:
4662 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4664 case WhiteNonPromotion:
4665 case BlackNonPromotion:
4666 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4668 case WhitePromotion:
4669 case BlackPromotion:
4670 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4671 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4672 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4673 PieceToChar(WhiteFerz));
4674 else if(gameInfo.variant == VariantGreat)
4675 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4676 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4677 PieceToChar(WhiteMan));
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4686 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4687 ToUpper(PieceToChar((ChessSquare) fromX)),
4688 AAA + toX, ONE + toY);
4690 case IllegalMove: /* could be a variant we don't quite understand */
4691 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4693 case WhiteCapturesEnPassant:
4694 case BlackCapturesEnPassant:
4695 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4696 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4699 SendToICS(user_move);
4700 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4701 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4706 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4707 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4708 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4709 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4710 DisplayError("You cannot do this while you are playing or observing", 0);
4713 if(gameMode != IcsExamining) { // is this ever not the case?
4714 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4716 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4717 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4718 } else { // on FICS we must first go to general examine mode
4719 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4721 if(gameInfo.variant != VariantNormal) {
4722 // try figure out wild number, as xboard names are not always valid on ICS
4723 for(i=1; i<=36; i++) {
4724 snprintf(buf, MSG_SIZ, "wild/%d", i);
4725 if(StringToVariant(buf) == gameInfo.variant) break;
4727 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4728 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4729 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4730 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4731 SendToICS(ics_prefix);
4733 if(startedFromSetupPosition || backwardMostMove != 0) {
4734 fen = PositionToFEN(backwardMostMove, NULL);
4735 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4736 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4738 } else { // FICS: everything has to set by separate bsetup commands
4739 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4740 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4742 if(!WhiteOnMove(backwardMostMove)) {
4743 SendToICS("bsetup tomove black\n");
4745 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4746 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4748 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4749 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4751 i = boards[backwardMostMove][EP_STATUS];
4752 if(i >= 0) { // set e.p.
4753 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4759 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4760 SendToICS("bsetup done\n"); // switch to normal examining.
4762 for(i = backwardMostMove; i<last; i++) {
4764 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4767 SendToICS(ics_prefix);
4768 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4772 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4777 if (rf == DROP_RANK) {
4778 sprintf(move, "%c@%c%c\n",
4779 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4781 if (promoChar == 'x' || promoChar == NULLCHAR) {
4782 sprintf(move, "%c%c%c%c\n",
4783 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4785 sprintf(move, "%c%c%c%c%c\n",
4786 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4792 ProcessICSInitScript(f)
4797 while (fgets(buf, MSG_SIZ, f)) {
4798 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4805 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4807 AlphaRank(char *move, int n)
4809 // char *p = move, c; int x, y;
4811 if (appData.debugMode) {
4812 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4816 move[2]>='0' && move[2]<='9' &&
4817 move[3]>='a' && move[3]<='x' ) {
4819 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4820 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4822 if(move[0]>='0' && move[0]<='9' &&
4823 move[1]>='a' && move[1]<='x' &&
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4826 /* input move, Shogi -> normal */
4827 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4828 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4829 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4830 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4833 move[3]>='0' && move[3]<='9' &&
4834 move[2]>='a' && move[2]<='x' ) {
4836 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4837 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4840 move[0]>='a' && move[0]<='x' &&
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4843 /* output move, normal -> Shogi */
4844 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4845 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4846 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4847 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4850 if (appData.debugMode) {
4851 fprintf(debugFP, " out = '%s'\n", move);
4855 char yy_textstr[8000];
4857 /* Parser for moves from gnuchess, ICS, or user typein box */
4859 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4862 ChessMove *moveType;
4863 int *fromX, *fromY, *toX, *toY;
4866 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4868 switch (*moveType) {
4869 case WhitePromotion:
4870 case BlackPromotion:
4871 case WhiteNonPromotion:
4872 case BlackNonPromotion:
4874 case WhiteCapturesEnPassant:
4875 case BlackCapturesEnPassant:
4876 case WhiteKingSideCastle:
4877 case WhiteQueenSideCastle:
4878 case BlackKingSideCastle:
4879 case BlackQueenSideCastle:
4880 case WhiteKingSideCastleWild:
4881 case WhiteQueenSideCastleWild:
4882 case BlackKingSideCastleWild:
4883 case BlackQueenSideCastleWild:
4884 /* Code added by Tord: */
4885 case WhiteHSideCastleFR:
4886 case WhiteASideCastleFR:
4887 case BlackHSideCastleFR:
4888 case BlackASideCastleFR:
4889 /* End of code added by Tord */
4890 case IllegalMove: /* bug or odd chess variant */
4891 *fromX = currentMoveString[0] - AAA;
4892 *fromY = currentMoveString[1] - ONE;
4893 *toX = currentMoveString[2] - AAA;
4894 *toY = currentMoveString[3] - ONE;
4895 *promoChar = currentMoveString[4];
4896 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4897 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4898 if (appData.debugMode) {
4899 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4901 *fromX = *fromY = *toX = *toY = 0;
4904 if (appData.testLegality) {
4905 return (*moveType != IllegalMove);
4907 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4908 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4913 *fromX = *moveType == WhiteDrop ?
4914 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4915 (int) CharToPiece(ToLower(currentMoveString[0]));
4917 *toX = currentMoveString[2] - AAA;
4918 *toY = currentMoveString[3] - ONE;
4919 *promoChar = NULLCHAR;
4923 case ImpossibleMove:
4933 if (appData.debugMode) {
4934 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4937 *fromX = *fromY = *toX = *toY = 0;
4938 *promoChar = NULLCHAR;
4945 ParsePV(char *pv, Boolean storeComments)
4946 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4947 int fromX, fromY, toX, toY; char promoChar;
4952 endPV = forwardMostMove;
4954 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4955 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4956 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4957 if(appData.debugMode){
4958 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
4960 if(!valid && nr == 0 &&
4961 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4962 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4963 // Hande case where played move is different from leading PV move
4964 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4965 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4966 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4967 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4968 endPV += 2; // if position different, keep this
4969 moveList[endPV-1][0] = fromX + AAA;
4970 moveList[endPV-1][1] = fromY + ONE;
4971 moveList[endPV-1][2] = toX + AAA;
4972 moveList[endPV-1][3] = toY + ONE;
4973 parseList[endPV-1][0] = NULLCHAR;
4974 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4977 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4978 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4979 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4980 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4981 valid++; // allow comments in PV
4985 if(endPV+1 > framePtr) break; // no space, truncate
4988 CopyBoard(boards[endPV], boards[endPV-1]);
4989 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4990 moveList[endPV-1][0] = fromX + AAA;
4991 moveList[endPV-1][1] = fromY + ONE;
4992 moveList[endPV-1][2] = toX + AAA;
4993 moveList[endPV-1][3] = toY + ONE;
4994 moveList[endPV-1][4] = promoChar;
4995 moveList[endPV-1][5] = NULLCHAR;
4996 strncat(moveList[endPV-1], "\n", MOVE_LEN);
4998 CoordsToAlgebraic(boards[endPV - 1],
4999 PosFlags(endPV - 1),
5000 fromY, fromX, toY, toX, promoChar,
5001 parseList[endPV - 1]);
5003 parseList[endPV-1][0] = NULLCHAR;
5005 currentMove = endPV;
5006 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5007 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5008 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5009 DrawPosition(TRUE, boards[currentMove]);
5012 static int lastX, lastY;
5015 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5020 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5021 lastX = x; lastY = y;
5022 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5024 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5025 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5027 do{ while(buf[index] && buf[index] != '\n') index++;
5028 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5030 ParsePV(buf+startPV, FALSE);
5031 *start = startPV; *end = index-1;
5036 LoadPV(int x, int y)
5037 { // called on right mouse click to load PV
5038 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5039 lastX = x; lastY = y;
5040 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5047 if(endPV < 0) return;
5049 currentMove = forwardMostMove;
5050 ClearPremoveHighlights();
5051 DrawPosition(TRUE, boards[currentMove]);
5055 MovePV(int x, int y, int h)
5056 { // step through PV based on mouse coordinates (called on mouse move)
5057 int margin = h>>3, step = 0;
5059 if(endPV < 0) return;
5060 // we must somehow check if right button is still down (might be released off board!)
5061 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5062 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5063 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5065 lastX = x; lastY = y;
5066 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5067 currentMove += step;
5068 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5069 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5070 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5071 DrawPosition(FALSE, boards[currentMove]);
5075 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5076 // All positions will have equal probability, but the current method will not provide a unique
5077 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5083 int piecesLeft[(int)BlackPawn];
5084 int seed, nrOfShuffles;
5086 void GetPositionNumber()
5087 { // sets global variable seed
5090 seed = appData.defaultFrcPosition;
5091 if(seed < 0) { // randomize based on time for negative FRC position numbers
5092 for(i=0; i<50; i++) seed += random();
5093 seed = random() ^ random() >> 8 ^ random() << 8;
5094 if(seed<0) seed = -seed;
5098 int put(Board board, int pieceType, int rank, int n, int shade)
5099 // put the piece on the (n-1)-th empty squares of the given shade
5103 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5104 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5105 board[rank][i] = (ChessSquare) pieceType;
5106 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5108 piecesLeft[pieceType]--;
5116 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5117 // calculate where the next piece goes, (any empty square), and put it there
5121 i = seed % squaresLeft[shade];
5122 nrOfShuffles *= squaresLeft[shade];
5123 seed /= squaresLeft[shade];
5124 put(board, pieceType, rank, i, shade);
5127 void AddTwoPieces(Board board, int pieceType, int rank)
5128 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5130 int i, n=squaresLeft[ANY], j=n-1, k;
5132 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5133 i = seed % k; // pick one
5136 while(i >= j) i -= j--;
5137 j = n - 1 - j; i += j;
5138 put(board, pieceType, rank, j, ANY);
5139 put(board, pieceType, rank, i, ANY);
5142 void SetUpShuffle(Board board, int number)
5146 GetPositionNumber(); nrOfShuffles = 1;
5148 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5149 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5150 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5152 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5154 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5155 p = (int) board[0][i];
5156 if(p < (int) BlackPawn) piecesLeft[p] ++;
5157 board[0][i] = EmptySquare;
5160 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5161 // shuffles restricted to allow normal castling put KRR first
5162 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5163 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5164 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5165 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5166 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5167 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5168 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5169 put(board, WhiteRook, 0, 0, ANY);
5170 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5173 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5174 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5175 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5176 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5177 while(piecesLeft[p] >= 2) {
5178 AddOnePiece(board, p, 0, LITE);
5179 AddOnePiece(board, p, 0, DARK);
5181 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5184 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5185 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5186 // but we leave King and Rooks for last, to possibly obey FRC restriction
5187 if(p == (int)WhiteRook) continue;
5188 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5189 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5192 // now everything is placed, except perhaps King (Unicorn) and Rooks
5194 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5195 // Last King gets castling rights
5196 while(piecesLeft[(int)WhiteUnicorn]) {
5197 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5198 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5201 while(piecesLeft[(int)WhiteKing]) {
5202 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5203 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5208 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5209 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5212 // Only Rooks can be left; simply place them all
5213 while(piecesLeft[(int)WhiteRook]) {
5214 i = put(board, WhiteRook, 0, 0, ANY);
5215 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5218 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5220 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5223 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5224 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5227 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5230 int SetCharTable( char *table, const char * map )
5231 /* [HGM] moved here from winboard.c because of its general usefulness */
5232 /* Basically a safe strcpy that uses the last character as King */
5234 int result = FALSE; int NrPieces;
5236 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5237 && NrPieces >= 12 && !(NrPieces&1)) {
5238 int i; /* [HGM] Accept even length from 12 to 34 */
5240 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5241 for( i=0; i<NrPieces/2-1; i++ ) {
5243 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5245 table[(int) WhiteKing] = map[NrPieces/2-1];
5246 table[(int) BlackKing] = map[NrPieces-1];
5254 void Prelude(Board board)
5255 { // [HGM] superchess: random selection of exo-pieces
5256 int i, j, k; ChessSquare p;
5257 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5259 GetPositionNumber(); // use FRC position number
5261 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5262 SetCharTable(pieceToChar, appData.pieceToCharTable);
5263 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5264 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5267 j = seed%4; seed /= 4;
5268 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5269 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5270 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5271 j = seed%3 + (seed%3 >= j); seed /= 3;
5272 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5273 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5274 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5275 j = seed%3; seed /= 3;
5276 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%2 + (seed%2 >= j); seed /= 2;
5280 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5284 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5285 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5286 put(board, exoPieces[0], 0, 0, ANY);
5287 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5291 InitPosition(redraw)
5294 ChessSquare (* pieces)[BOARD_FILES];
5295 int i, j, pawnRow, overrule,
5296 oldx = gameInfo.boardWidth,
5297 oldy = gameInfo.boardHeight,
5298 oldh = gameInfo.holdingsWidth,
5299 oldv = gameInfo.variant;
5301 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5303 /* [AS] Initialize pv info list [HGM] and game status */
5305 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5306 pvInfoList[i].depth = 0;
5307 boards[i][EP_STATUS] = EP_NONE;
5308 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5311 initialRulePlies = 0; /* 50-move counter start */
5313 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5314 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5318 /* [HGM] logic here is completely changed. In stead of full positions */
5319 /* the initialized data only consist of the two backranks. The switch */
5320 /* selects which one we will use, which is than copied to the Board */
5321 /* initialPosition, which for the rest is initialized by Pawns and */
5322 /* empty squares. This initial position is then copied to boards[0], */
5323 /* possibly after shuffling, so that it remains available. */
5325 gameInfo.holdingsWidth = 0; /* default board sizes */
5326 gameInfo.boardWidth = 8;
5327 gameInfo.boardHeight = 8;
5328 gameInfo.holdingsSize = 0;
5329 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5330 for(i=0; i<BOARD_FILES-2; i++)
5331 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5332 initialPosition[EP_STATUS] = EP_NONE;
5333 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5334 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5335 SetCharTable(pieceNickName, appData.pieceNickNames);
5336 else SetCharTable(pieceNickName, "............");
5339 switch (gameInfo.variant) {
5340 case VariantFischeRandom:
5341 shuffleOpenings = TRUE;
5344 case VariantShatranj:
5345 pieces = ShatranjArray;
5346 nrCastlingRights = 0;
5347 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5350 pieces = makrukArray;
5351 nrCastlingRights = 0;
5352 startedFromSetupPosition = TRUE;
5353 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5355 case VariantTwoKings:
5356 pieces = twoKingsArray;
5358 case VariantCapaRandom:
5359 shuffleOpenings = TRUE;
5360 case VariantCapablanca:
5361 pieces = CapablancaArray;
5362 gameInfo.boardWidth = 10;
5363 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5366 pieces = GothicArray;
5367 gameInfo.boardWidth = 10;
5368 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5371 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5372 gameInfo.holdingsSize = 7;
5375 pieces = JanusArray;
5376 gameInfo.boardWidth = 10;
5377 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5378 nrCastlingRights = 6;
5379 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5380 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5381 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5382 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5383 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5384 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5387 pieces = FalconArray;
5388 gameInfo.boardWidth = 10;
5389 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5391 case VariantXiangqi:
5392 pieces = XiangqiArray;
5393 gameInfo.boardWidth = 9;
5394 gameInfo.boardHeight = 10;
5395 nrCastlingRights = 0;
5396 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5399 pieces = ShogiArray;
5400 gameInfo.boardWidth = 9;
5401 gameInfo.boardHeight = 9;
5402 gameInfo.holdingsSize = 7;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5406 case VariantCourier:
5407 pieces = CourierArray;
5408 gameInfo.boardWidth = 12;
5409 nrCastlingRights = 0;
5410 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5412 case VariantKnightmate:
5413 pieces = KnightmateArray;
5414 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5417 pieces = fairyArray;
5418 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5421 pieces = GreatArray;
5422 gameInfo.boardWidth = 10;
5423 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5424 gameInfo.holdingsSize = 8;
5428 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5429 gameInfo.holdingsSize = 8;
5430 startedFromSetupPosition = TRUE;
5432 case VariantCrazyhouse:
5433 case VariantBughouse:
5435 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5436 gameInfo.holdingsSize = 5;
5438 case VariantWildCastle:
5440 /* !!?shuffle with kings guaranteed to be on d or e file */
5441 shuffleOpenings = 1;
5443 case VariantNoCastle:
5445 nrCastlingRights = 0;
5446 /* !!?unconstrained back-rank shuffle */
5447 shuffleOpenings = 1;
5452 if(appData.NrFiles >= 0) {
5453 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5454 gameInfo.boardWidth = appData.NrFiles;
5456 if(appData.NrRanks >= 0) {
5457 gameInfo.boardHeight = appData.NrRanks;
5459 if(appData.holdingsSize >= 0) {
5460 i = appData.holdingsSize;
5461 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5462 gameInfo.holdingsSize = i;
5464 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5465 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5466 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5468 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5469 if(pawnRow < 1) pawnRow = 1;
5470 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5472 /* User pieceToChar list overrules defaults */
5473 if(appData.pieceToCharTable != NULL)
5474 SetCharTable(pieceToChar, appData.pieceToCharTable);
5476 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5478 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5479 s = (ChessSquare) 0; /* account holding counts in guard band */
5480 for( i=0; i<BOARD_HEIGHT; i++ )
5481 initialPosition[i][j] = s;
5483 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5484 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5485 initialPosition[pawnRow][j] = WhitePawn;
5486 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = BlackPawn;
5487 if(gameInfo.variant == VariantXiangqi) {
5489 initialPosition[pawnRow][j] =
5490 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5491 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5492 initialPosition[2][j] = WhiteCannon;
5493 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5497 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5499 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5502 initialPosition[1][j] = WhiteBishop;
5503 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5505 initialPosition[1][j] = WhiteRook;
5506 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5509 if( nrCastlingRights == -1) {
5510 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5511 /* This sets default castling rights from none to normal corners */
5512 /* Variants with other castling rights must set them themselves above */
5513 nrCastlingRights = 6;
5515 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5516 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5517 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5518 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5519 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5520 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5523 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5524 if(gameInfo.variant == VariantGreat) { // promotion commoners
5525 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5526 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5527 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5528 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5530 if( gameInfo.variant == VariantSChess ) {
5531 initialPosition[1][0] = BlackMarshall;
5532 initialPosition[2][0] = BlackAngel;
5533 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5534 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5535 initialPosition[1][1] = initialPosition[2][1] =
5536 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5538 if (appData.debugMode) {
5539 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5541 if(shuffleOpenings) {
5542 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5543 startedFromSetupPosition = TRUE;
5545 if(startedFromPositionFile) {
5546 /* [HGM] loadPos: use PositionFile for every new game */
5547 CopyBoard(initialPosition, filePosition);
5548 for(i=0; i<nrCastlingRights; i++)
5549 initialRights[i] = filePosition[CASTLING][i];
5550 startedFromSetupPosition = TRUE;
5553 CopyBoard(boards[0], initialPosition);
5555 if(oldx != gameInfo.boardWidth ||
5556 oldy != gameInfo.boardHeight ||
5557 oldh != gameInfo.holdingsWidth
5559 || oldv == VariantGothic || // For licensing popups
5560 gameInfo.variant == VariantGothic
5563 || oldv == VariantFalcon ||
5564 gameInfo.variant == VariantFalcon
5567 InitDrawingSizes(-2 ,0);
5570 DrawPosition(TRUE, boards[currentMove]);
5574 SendBoard(cps, moveNum)
5575 ChessProgramState *cps;
5578 char message[MSG_SIZ];
5580 if (cps->useSetboard) {
5581 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5582 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5583 SendToProgram(message, cps);
5589 /* Kludge to set black to move, avoiding the troublesome and now
5590 * deprecated "black" command.
5592 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5593 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5595 SendToProgram("edit\n", cps);
5596 SendToProgram("#\n", cps);
5597 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5598 bp = &boards[moveNum][i][BOARD_LEFT];
5599 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5600 if ((int) *bp < (int) BlackPawn) {
5601 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5603 if(message[0] == '+' || message[0] == '~') {
5604 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5605 PieceToChar((ChessSquare)(DEMOTED *bp)),
5608 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5609 message[1] = BOARD_RGHT - 1 - j + '1';
5610 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5612 SendToProgram(message, cps);
5617 SendToProgram("c\n", cps);
5618 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5619 bp = &boards[moveNum][i][BOARD_LEFT];
5620 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5621 if (((int) *bp != (int) EmptySquare)
5622 && ((int) *bp >= (int) BlackPawn)) {
5623 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5625 if(message[0] == '+' || message[0] == '~') {
5626 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5627 PieceToChar((ChessSquare)(DEMOTED *bp)),
5630 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5631 message[1] = BOARD_RGHT - 1 - j + '1';
5632 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5634 SendToProgram(message, cps);
5639 SendToProgram(".\n", cps);
5641 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5644 static int autoQueen; // [HGM] oneclick
5647 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5649 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5650 /* [HGM] add Shogi promotions */
5651 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5656 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5657 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5659 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5660 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5663 piece = boards[currentMove][fromY][fromX];
5664 if(gameInfo.variant == VariantShogi) {
5665 promotionZoneSize = BOARD_HEIGHT/3;
5666 highestPromotingPiece = (int)WhiteFerz;
5667 } else if(gameInfo.variant == VariantMakruk) {
5668 promotionZoneSize = 3;
5671 // next weed out all moves that do not touch the promotion zone at all
5672 if((int)piece >= BlackPawn) {
5673 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5675 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5677 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5678 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5681 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5683 // weed out mandatory Shogi promotions
5684 if(gameInfo.variant == VariantShogi) {
5685 if(piece >= BlackPawn) {
5686 if(toY == 0 && piece == BlackPawn ||
5687 toY == 0 && piece == BlackQueen ||
5688 toY <= 1 && piece == BlackKnight) {
5693 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5694 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5695 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5702 // weed out obviously illegal Pawn moves
5703 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5704 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5705 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5706 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5707 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5708 // note we are not allowed to test for valid (non-)capture, due to premove
5711 // we either have a choice what to promote to, or (in Shogi) whether to promote
5712 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5713 *promoChoice = PieceToChar(BlackFerz); // no choice
5716 // no sense asking what we must promote to if it is going to explode...
5717 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5718 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5721 if(autoQueen) { // predetermined
5722 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5723 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5724 else *promoChoice = PieceToChar(BlackQueen);
5728 // suppress promotion popup on illegal moves that are not premoves
5729 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5730 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5731 if(appData.testLegality && !premove) {
5732 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5733 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5734 if(moveType != WhitePromotion && moveType != BlackPromotion)
5742 InPalace(row, column)
5744 { /* [HGM] for Xiangqi */
5745 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5746 column < (BOARD_WIDTH + 4)/2 &&
5747 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5752 PieceForSquare (x, y)
5756 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5759 return boards[currentMove][y][x];
5763 OKToStartUserMove(x, y)
5766 ChessSquare from_piece;
5769 if (matchMode) return FALSE;
5770 if (gameMode == EditPosition) return TRUE;
5772 if (x >= 0 && y >= 0)
5773 from_piece = boards[currentMove][y][x];
5775 from_piece = EmptySquare;
5777 if (from_piece == EmptySquare) return FALSE;
5779 white_piece = (int)from_piece >= (int)WhitePawn &&
5780 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5783 case PlayFromGameFile:
5785 case TwoMachinesPlay:
5793 case MachinePlaysWhite:
5794 case IcsPlayingBlack:
5795 if (appData.zippyPlay) return FALSE;
5797 DisplayMoveError(_("You are playing Black"));
5802 case MachinePlaysBlack:
5803 case IcsPlayingWhite:
5804 if (appData.zippyPlay) return FALSE;
5806 DisplayMoveError(_("You are playing White"));
5812 if (!white_piece && WhiteOnMove(currentMove)) {
5813 DisplayMoveError(_("It is White's turn"));
5816 if (white_piece && !WhiteOnMove(currentMove)) {
5817 DisplayMoveError(_("It is Black's turn"));
5820 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5821 /* Editing correspondence game history */
5822 /* Could disallow this or prompt for confirmation */
5827 case BeginningOfGame:
5828 if (appData.icsActive) return FALSE;
5829 if (!appData.noChessProgram) {
5831 DisplayMoveError(_("You are playing White"));
5838 if (!white_piece && WhiteOnMove(currentMove)) {
5839 DisplayMoveError(_("It is White's turn"));
5842 if (white_piece && !WhiteOnMove(currentMove)) {
5843 DisplayMoveError(_("It is Black's turn"));
5852 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5853 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5854 && gameMode != AnalyzeFile && gameMode != Training) {
5855 DisplayMoveError(_("Displayed position is not current"));
5862 OnlyMove(int *x, int *y, Boolean captures) {
5863 DisambiguateClosure cl;
5864 if (appData.zippyPlay) return FALSE;
5866 case MachinePlaysBlack:
5867 case IcsPlayingWhite:
5868 case BeginningOfGame:
5869 if(!WhiteOnMove(currentMove)) return FALSE;
5871 case MachinePlaysWhite:
5872 case IcsPlayingBlack:
5873 if(WhiteOnMove(currentMove)) return FALSE;
5880 cl.pieceIn = EmptySquare;
5885 cl.promoCharIn = NULLCHAR;
5886 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5887 if( cl.kind == NormalMove ||
5888 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5889 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5890 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5897 if(cl.kind != ImpossibleMove) return FALSE;
5898 cl.pieceIn = EmptySquare;
5903 cl.promoCharIn = NULLCHAR;
5904 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5905 if( cl.kind == NormalMove ||
5906 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5907 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5908 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5913 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5919 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5920 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5921 int lastLoadGameUseList = FALSE;
5922 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5923 ChessMove lastLoadGameStart = EndOfFile;
5926 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5927 int fromX, fromY, toX, toY;
5931 ChessSquare pdown, pup;
5933 /* Check if the user is playing in turn. This is complicated because we
5934 let the user "pick up" a piece before it is his turn. So the piece he
5935 tried to pick up may have been captured by the time he puts it down!
5936 Therefore we use the color the user is supposed to be playing in this
5937 test, not the color of the piece that is currently on the starting
5938 square---except in EditGame mode, where the user is playing both
5939 sides; fortunately there the capture race can't happen. (It can
5940 now happen in IcsExamining mode, but that's just too bad. The user
5941 will get a somewhat confusing message in that case.)
5945 case PlayFromGameFile:
5947 case TwoMachinesPlay:
5951 /* We switched into a game mode where moves are not accepted,
5952 perhaps while the mouse button was down. */
5955 case MachinePlaysWhite:
5956 /* User is moving for Black */
5957 if (WhiteOnMove(currentMove)) {
5958 DisplayMoveError(_("It is White's turn"));
5963 case MachinePlaysBlack:
5964 /* User is moving for White */
5965 if (!WhiteOnMove(currentMove)) {
5966 DisplayMoveError(_("It is Black's turn"));
5973 case BeginningOfGame:
5976 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5977 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5978 /* User is moving for Black */
5979 if (WhiteOnMove(currentMove)) {
5980 DisplayMoveError(_("It is White's turn"));
5984 /* User is moving for White */
5985 if (!WhiteOnMove(currentMove)) {
5986 DisplayMoveError(_("It is Black's turn"));
5992 case IcsPlayingBlack:
5993 /* User is moving for Black */
5994 if (WhiteOnMove(currentMove)) {
5995 if (!appData.premove) {
5996 DisplayMoveError(_("It is White's turn"));
5997 } else if (toX >= 0 && toY >= 0) {
6000 premoveFromX = fromX;
6001 premoveFromY = fromY;
6002 premovePromoChar = promoChar;
6004 if (appData.debugMode)
6005 fprintf(debugFP, "Got premove: fromX %d,"
6006 "fromY %d, toX %d, toY %d\n",
6007 fromX, fromY, toX, toY);
6013 case IcsPlayingWhite:
6014 /* User is moving for White */
6015 if (!WhiteOnMove(currentMove)) {
6016 if (!appData.premove) {
6017 DisplayMoveError(_("It is Black's turn"));
6018 } else if (toX >= 0 && toY >= 0) {
6021 premoveFromX = fromX;
6022 premoveFromY = fromY;
6023 premovePromoChar = promoChar;
6025 if (appData.debugMode)
6026 fprintf(debugFP, "Got premove: fromX %d,"
6027 "fromY %d, toX %d, toY %d\n",
6028 fromX, fromY, toX, toY);
6038 /* EditPosition, empty square, or different color piece;
6039 click-click move is possible */
6040 if (toX == -2 || toY == -2) {
6041 boards[0][fromY][fromX] = EmptySquare;
6042 DrawPosition(FALSE, boards[currentMove]);
6044 } else if (toX >= 0 && toY >= 0) {
6045 boards[0][toY][toX] = boards[0][fromY][fromX];
6046 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6047 if(boards[0][fromY][0] != EmptySquare) {
6048 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6049 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6052 if(fromX == BOARD_RGHT+1) {
6053 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6054 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6055 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6058 boards[0][fromY][fromX] = EmptySquare;
6059 DrawPosition(FALSE, boards[currentMove]);
6065 if(toX < 0 || toY < 0) return;
6066 pdown = boards[currentMove][fromY][fromX];
6067 pup = boards[currentMove][toY][toX];
6069 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6070 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6071 if( pup != EmptySquare ) return;
6072 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6073 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6074 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6075 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6076 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6077 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6078 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6082 /* [HGM] always test for legality, to get promotion info */
6083 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6084 fromY, fromX, toY, toX, promoChar);
6085 /* [HGM] but possibly ignore an IllegalMove result */
6086 if (appData.testLegality) {
6087 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6088 DisplayMoveError(_("Illegal move"));
6093 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6096 /* Common tail of UserMoveEvent and DropMenuEvent */
6098 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6100 int fromX, fromY, toX, toY;
6101 /*char*/int promoChar;
6105 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6106 // [HGM] superchess: suppress promotions to non-available piece
6107 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6108 if(WhiteOnMove(currentMove)) {
6109 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6111 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6115 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6116 move type in caller when we know the move is a legal promotion */
6117 if(moveType == NormalMove && promoChar)
6118 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6120 /* [HGM] <popupFix> The following if has been moved here from
6121 UserMoveEvent(). Because it seemed to belong here (why not allow
6122 piece drops in training games?), and because it can only be
6123 performed after it is known to what we promote. */
6124 if (gameMode == Training) {
6125 /* compare the move played on the board to the next move in the
6126 * game. If they match, display the move and the opponent's response.
6127 * If they don't match, display an error message.
6131 CopyBoard(testBoard, boards[currentMove]);
6132 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6134 if (CompareBoards(testBoard, boards[currentMove+1])) {
6135 ForwardInner(currentMove+1);
6137 /* Autoplay the opponent's response.
6138 * if appData.animate was TRUE when Training mode was entered,
6139 * the response will be animated.
6141 saveAnimate = appData.animate;
6142 appData.animate = animateTraining;
6143 ForwardInner(currentMove+1);
6144 appData.animate = saveAnimate;
6146 /* check for the end of the game */
6147 if (currentMove >= forwardMostMove) {
6148 gameMode = PlayFromGameFile;
6150 SetTrainingModeOff();
6151 DisplayInformation(_("End of game"));
6154 DisplayError(_("Incorrect move"), 0);
6159 /* Ok, now we know that the move is good, so we can kill
6160 the previous line in Analysis Mode */
6161 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6162 && currentMove < forwardMostMove) {
6163 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6164 else forwardMostMove = currentMove;
6167 /* If we need the chess program but it's dead, restart it */
6168 ResurrectChessProgram();
6170 /* A user move restarts a paused game*/
6174 thinkOutput[0] = NULLCHAR;
6176 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6178 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6180 if (gameMode == BeginningOfGame) {
6181 if (appData.noChessProgram) {
6182 gameMode = EditGame;
6186 gameMode = MachinePlaysBlack;
6189 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6191 if (first.sendName) {
6192 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6193 SendToProgram(buf, &first);
6200 /* Relay move to ICS or chess engine */
6201 if (appData.icsActive) {
6202 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6203 gameMode == IcsExamining) {
6204 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6205 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6207 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6209 // also send plain move, in case ICS does not understand atomic claims
6210 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6214 if (first.sendTime && (gameMode == BeginningOfGame ||
6215 gameMode == MachinePlaysWhite ||
6216 gameMode == MachinePlaysBlack)) {
6217 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6219 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6220 // [HGM] book: if program might be playing, let it use book
6221 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6222 first.maybeThinking = TRUE;
6223 } else SendMoveToProgram(forwardMostMove-1, &first);
6224 if (currentMove == cmailOldMove + 1) {
6225 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6229 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6233 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6239 if (WhiteOnMove(currentMove)) {
6240 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6242 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6246 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6251 case MachinePlaysBlack:
6252 case MachinePlaysWhite:
6253 /* disable certain menu options while machine is thinking */
6254 SetMachineThinkingEnables();
6261 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6263 if(bookHit) { // [HGM] book: simulate book reply
6264 static char bookMove[MSG_SIZ]; // a bit generous?
6266 programStats.nodes = programStats.depth = programStats.time =
6267 programStats.score = programStats.got_only_move = 0;
6268 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6270 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6271 strcat(bookMove, bookHit);
6272 HandleMachineMove(bookMove, &first);
6278 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6285 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6286 Markers *m = (Markers *) closure;
6287 if(rf == fromY && ff == fromX)
6288 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6289 || kind == WhiteCapturesEnPassant
6290 || kind == BlackCapturesEnPassant);
6291 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6295 MarkTargetSquares(int clear)
6298 if(!appData.markers || !appData.highlightDragging ||
6299 !appData.testLegality || gameMode == EditPosition) return;
6301 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6304 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6305 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6306 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6308 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6311 DrawPosition(TRUE, NULL);
6315 Explode(Board board, int fromX, int fromY, int toX, int toY)
6317 if(gameInfo.variant == VariantAtomic &&
6318 (board[toY][toX] != EmptySquare || // capture?
6319 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6320 board[fromY][fromX] == BlackPawn )
6322 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6328 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6330 void LeftClick(ClickType clickType, int xPix, int yPix)
6333 Boolean saveAnimate;
6334 static int second = 0, promotionChoice = 0, dragging = 0;
6335 char promoChoice = NULLCHAR;
6337 if(appData.seekGraph && appData.icsActive && loggedOn &&
6338 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6339 SeekGraphClick(clickType, xPix, yPix, 0);
6343 if (clickType == Press) ErrorPopDown();
6344 MarkTargetSquares(1);
6346 x = EventToSquare(xPix, BOARD_WIDTH);
6347 y = EventToSquare(yPix, BOARD_HEIGHT);
6348 if (!flipView && y >= 0) {
6349 y = BOARD_HEIGHT - 1 - y;
6351 if (flipView && x >= 0) {
6352 x = BOARD_WIDTH - 1 - x;
6355 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6356 if(clickType == Release) return; // ignore upclick of click-click destination
6357 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6358 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6359 if(gameInfo.holdingsWidth &&
6360 (WhiteOnMove(currentMove)
6361 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6362 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6363 // click in right holdings, for determining promotion piece
6364 ChessSquare p = boards[currentMove][y][x];
6365 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6366 if(p != EmptySquare) {
6367 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6372 DrawPosition(FALSE, boards[currentMove]);
6376 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6377 if(clickType == Press
6378 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6379 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6380 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6383 autoQueen = appData.alwaysPromoteToQueen;
6386 gatingPiece = EmptySquare;
6387 if (clickType != Press) {
6388 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6389 DragPieceEnd(xPix, yPix); dragging = 0;
6390 DrawPosition(FALSE, NULL);
6394 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6396 if (OKToStartUserMove(x, y)) {
6400 MarkTargetSquares(0);
6401 DragPieceBegin(xPix, yPix); dragging = 1;
6402 if (appData.highlightDragging) {
6403 SetHighlights(x, y, -1, -1);
6411 if (clickType == Press && gameMode != EditPosition) {
6416 // ignore off-board to clicks
6417 if(y < 0 || x < 0) return;
6419 /* Check if clicking again on the same color piece */
6420 fromP = boards[currentMove][fromY][fromX];
6421 toP = boards[currentMove][y][x];
6422 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6423 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6424 WhitePawn <= toP && toP <= WhiteKing &&
6425 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6426 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6427 (BlackPawn <= fromP && fromP <= BlackKing &&
6428 BlackPawn <= toP && toP <= BlackKing &&
6429 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6430 !(fromP == BlackKing && toP == BlackRook && frc))) {
6431 /* Clicked again on same color piece -- changed his mind */
6432 second = (x == fromX && y == fromY);
6433 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6434 if (appData.highlightDragging) {
6435 SetHighlights(x, y, -1, -1);
6439 if (OKToStartUserMove(x, y)) {
6440 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6441 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6442 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6443 gatingPiece = boards[currentMove][fromY][fromX];
6444 else gatingPiece = EmptySquare;
6446 fromY = y; dragging = 1;
6447 MarkTargetSquares(0);
6448 DragPieceBegin(xPix, yPix);
6451 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6454 // ignore clicks on holdings
6455 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6458 if (clickType == Release && x == fromX && y == fromY) {
6459 DragPieceEnd(xPix, yPix); dragging = 0;
6460 if (appData.animateDragging) {
6461 /* Undo animation damage if any */
6462 DrawPosition(FALSE, NULL);
6465 /* Second up/down in same square; just abort move */
6468 gatingPiece = EmptySquare;
6471 ClearPremoveHighlights();
6473 /* First upclick in same square; start click-click mode */
6474 SetHighlights(x, y, -1, -1);
6479 /* we now have a different from- and (possibly off-board) to-square */
6480 /* Completed move */
6483 saveAnimate = appData.animate;
6484 if (clickType == Press) {
6485 /* Finish clickclick move */
6486 if (appData.animate || appData.highlightLastMove) {
6487 SetHighlights(fromX, fromY, toX, toY);
6492 /* Finish drag move */
6493 if (appData.highlightLastMove) {
6494 SetHighlights(fromX, fromY, toX, toY);
6498 DragPieceEnd(xPix, yPix); dragging = 0;
6499 /* Don't animate move and drag both */
6500 appData.animate = FALSE;
6503 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6504 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6505 ChessSquare piece = boards[currentMove][fromY][fromX];
6506 if(gameMode == EditPosition && piece != EmptySquare &&
6507 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6510 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6511 n = PieceToNumber(piece - (int)BlackPawn);
6512 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6513 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6514 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6516 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6517 n = PieceToNumber(piece);
6518 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6519 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6520 boards[currentMove][n][BOARD_WIDTH-2]++;
6522 boards[currentMove][fromY][fromX] = EmptySquare;
6526 DrawPosition(TRUE, boards[currentMove]);
6530 // off-board moves should not be highlighted
6531 if(x < 0 || y < 0) ClearHighlights();
6533 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6535 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6536 SetHighlights(fromX, fromY, toX, toY);
6537 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6538 // [HGM] super: promotion to captured piece selected from holdings
6539 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6540 promotionChoice = TRUE;
6541 // kludge follows to temporarily execute move on display, without promoting yet
6542 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6543 boards[currentMove][toY][toX] = p;
6544 DrawPosition(FALSE, boards[currentMove]);
6545 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6546 boards[currentMove][toY][toX] = q;
6547 DisplayMessage("Click in holdings to choose piece", "");
6552 int oldMove = currentMove;
6553 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6554 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6555 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6556 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6557 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6558 DrawPosition(TRUE, boards[currentMove]);
6561 appData.animate = saveAnimate;
6562 if (appData.animate || appData.animateDragging) {
6563 /* Undo animation damage if needed */
6564 DrawPosition(FALSE, NULL);
6568 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6569 { // front-end-free part taken out of PieceMenuPopup
6570 int whichMenu; int xSqr, ySqr;
6572 if(seekGraphUp) { // [HGM] seekgraph
6573 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6574 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6578 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6579 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6580 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6581 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6582 if(action == Press) {
6583 originalFlip = flipView;
6584 flipView = !flipView; // temporarily flip board to see game from partners perspective
6585 DrawPosition(TRUE, partnerBoard);
6586 DisplayMessage(partnerStatus, "");
6588 } else if(action == Release) {
6589 flipView = originalFlip;
6590 DrawPosition(TRUE, boards[currentMove]);
6596 xSqr = EventToSquare(x, BOARD_WIDTH);
6597 ySqr = EventToSquare(y, BOARD_HEIGHT);
6598 if (action == Release) UnLoadPV(); // [HGM] pv
6599 if (action != Press) return -2; // return code to be ignored
6602 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6604 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6605 if (xSqr < 0 || ySqr < 0) return -1;
\r
6606 whichMenu = 0; // edit-position menu
6609 if(!appData.icsEngineAnalyze) return -1;
6610 case IcsPlayingWhite:
6611 case IcsPlayingBlack:
6612 if(!appData.zippyPlay) goto noZip;
6615 case MachinePlaysWhite:
6616 case MachinePlaysBlack:
6617 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6618 if (!appData.dropMenu) {
6620 return 2; // flag front-end to grab mouse events
6622 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6623 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6626 if (xSqr < 0 || ySqr < 0) return -1;
6627 if (!appData.dropMenu || appData.testLegality &&
6628 gameInfo.variant != VariantBughouse &&
6629 gameInfo.variant != VariantCrazyhouse) return -1;
6630 whichMenu = 1; // drop menu
6636 if (((*fromX = xSqr) < 0) ||
6637 ((*fromY = ySqr) < 0)) {
6638 *fromX = *fromY = -1;
6642 *fromX = BOARD_WIDTH - 1 - *fromX;
6644 *fromY = BOARD_HEIGHT - 1 - *fromY;
6649 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6651 // char * hint = lastHint;
6652 FrontEndProgramStats stats;
6654 stats.which = cps == &first ? 0 : 1;
6655 stats.depth = cpstats->depth;
6656 stats.nodes = cpstats->nodes;
6657 stats.score = cpstats->score;
6658 stats.time = cpstats->time;
6659 stats.pv = cpstats->movelist;
6660 stats.hint = lastHint;
6661 stats.an_move_index = 0;
6662 stats.an_move_count = 0;
6664 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6665 stats.hint = cpstats->move_name;
6666 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6667 stats.an_move_count = cpstats->nr_moves;
6670 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
6672 SetProgramStats( &stats );
6676 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6677 { // count all piece types
6679 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6680 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6681 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6684 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6685 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6686 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6687 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6688 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6689 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6694 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6696 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6697 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6699 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6700 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6701 if(myPawns == 2 && nMine == 3) // KPP
6702 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6703 if(myPawns == 1 && nMine == 2) // KP
6704 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6705 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6706 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6707 if(myPawns) return FALSE;
6708 if(pCnt[WhiteRook+side])
6709 return pCnt[BlackRook-side] ||
6710 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6711 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6712 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6713 if(pCnt[WhiteCannon+side]) {
6714 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6715 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6717 if(pCnt[WhiteKnight+side])
6718 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6723 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6725 VariantClass v = gameInfo.variant;
6727 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6728 if(v == VariantShatranj) return TRUE; // always winnable through baring
6729 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6730 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6732 if(v == VariantXiangqi) {
6733 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6735 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6736 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6737 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6738 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6739 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6740 if(stale) // we have at least one last-rank P plus perhaps C
6741 return majors // KPKX
6742 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6744 return pCnt[WhiteFerz+side] // KCAK
6745 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6746 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6747 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6749 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6750 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6752 if(nMine == 1) return FALSE; // bare King
6753 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
6754 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6755 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6756 // by now we have King + 1 piece (or multiple Bishops on the same color)
6757 if(pCnt[WhiteKnight+side])
6758 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6759 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6760 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6762 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6763 if(pCnt[WhiteAlfil+side])
6764 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6765 if(pCnt[WhiteWazir+side])
6766 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6773 Adjudicate(ChessProgramState *cps)
6774 { // [HGM] some adjudications useful with buggy engines
6775 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6776 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6777 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6778 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6779 int k, count = 0; static int bare = 1;
6780 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6781 Boolean canAdjudicate = !appData.icsActive;
6783 // most tests only when we understand the game, i.e. legality-checking on
6784 if( appData.testLegality )
6785 { /* [HGM] Some more adjudications for obstinate engines */
6786 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6787 static int moveCount = 6;
6789 char *reason = NULL;
6791 /* Count what is on board. */
6792 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6794 /* Some material-based adjudications that have to be made before stalemate test */
6795 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6796 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6797 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6798 if(canAdjudicate && appData.checkMates) {
6800 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6801 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6802 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6803 "Xboard adjudication: King destroyed", GE_XBOARD );
6808 /* Bare King in Shatranj (loses) or Losers (wins) */
6809 if( nrW == 1 || nrB == 1) {
6810 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6811 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6812 if(canAdjudicate && appData.checkMates) {
6814 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6815 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6816 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6817 "Xboard adjudication: Bare king", GE_XBOARD );
6821 if( gameInfo.variant == VariantShatranj && --bare < 0)
6823 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6824 if(canAdjudicate && appData.checkMates) {
6825 /* but only adjudicate if adjudication enabled */
6827 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6828 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6829 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6830 "Xboard adjudication: Bare king", GE_XBOARD );
6837 // don't wait for engine to announce game end if we can judge ourselves
6838 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6840 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6841 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6842 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6843 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6846 reason = "Xboard adjudication: 3rd check";
6847 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6857 reason = "Xboard adjudication: Stalemate";
6858 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6859 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6860 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6861 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6862 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6863 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6864 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6865 EP_CHECKMATE : EP_WINS);
6866 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6867 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6871 reason = "Xboard adjudication: Checkmate";
6872 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6876 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6878 result = GameIsDrawn; break;
6880 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6886 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6888 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6889 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6890 GameEnds( result, reason, GE_XBOARD );
6894 /* Next absolutely insufficient mating material. */
6895 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6896 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6897 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6899 /* always flag draws, for judging claims */
6900 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6902 if(canAdjudicate && appData.materialDraws) {
6903 /* but only adjudicate them if adjudication enabled */
6904 if(engineOpponent) {
6905 SendToProgram("force\n", engineOpponent); // suppress reply
6906 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6908 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6909 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6914 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6915 if(gameInfo.variant == VariantXiangqi ?
6916 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6918 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6919 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6920 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6921 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6923 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6924 { /* if the first 3 moves do not show a tactical win, declare draw */
6925 if(engineOpponent) {
6926 SendToProgram("force\n", engineOpponent); // suppress reply
6927 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6929 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6930 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6933 } else moveCount = 6;
6935 if (appData.debugMode) { int i;
6936 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6937 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6938 appData.drawRepeats);
6939 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6940 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6944 // Repetition draws and 50-move rule can be applied independently of legality testing
6946 /* Check for rep-draws */
6948 for(k = forwardMostMove-2;
6949 k>=backwardMostMove && k>=forwardMostMove-100 &&
6950 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6951 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6954 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6955 /* compare castling rights */
6956 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6957 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6958 rights++; /* King lost rights, while rook still had them */
6959 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6960 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6961 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6962 rights++; /* but at least one rook lost them */
6964 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6965 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6967 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6968 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6969 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6972 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6973 && appData.drawRepeats > 1) {
6974 /* adjudicate after user-specified nr of repeats */
6975 int result = GameIsDrawn;
6976 char *details = "XBoard adjudication: repetition draw";
6977 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6978 // [HGM] xiangqi: check for forbidden perpetuals
6979 int m, ourPerpetual = 1, hisPerpetual = 1;
6980 for(m=forwardMostMove; m>k; m-=2) {
6981 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6982 ourPerpetual = 0; // the current mover did not always check
6983 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6984 hisPerpetual = 0; // the opponent did not always check
6986 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6987 ourPerpetual, hisPerpetual);
6988 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6989 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6990 details = "Xboard adjudication: perpetual checking";
6992 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6993 break; // (or we would have caught him before). Abort repetition-checking loop.
6995 // Now check for perpetual chases
6996 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
6997 hisPerpetual = PerpetualChase(k, forwardMostMove);
6998 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
6999 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7000 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7001 details = "Xboard adjudication: perpetual chasing";
7003 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7004 break; // Abort repetition-checking loop.
7006 // if neither of us is checking or chasing all the time, or both are, it is draw
7008 if(engineOpponent) {
7009 SendToProgram("force\n", engineOpponent); // suppress reply
7010 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7012 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7013 GameEnds( result, details, GE_XBOARD );
7016 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7017 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7021 /* Now we test for 50-move draws. Determine ply count */
7022 count = forwardMostMove;
7023 /* look for last irreversble move */
7024 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7026 /* if we hit starting position, add initial plies */
7027 if( count == backwardMostMove )
7028 count -= initialRulePlies;
7029 count = forwardMostMove - count;
7030 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7031 // adjust reversible move counter for checks in Xiangqi
7032 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7033 if(i < backwardMostMove) i = backwardMostMove;
7034 while(i <= forwardMostMove) {
7035 lastCheck = inCheck; // check evasion does not count
7036 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7037 if(inCheck || lastCheck) count--; // check does not count
7042 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7043 /* this is used to judge if draw claims are legal */
7044 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7045 if(engineOpponent) {
7046 SendToProgram("force\n", engineOpponent); // suppress reply
7047 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7049 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7050 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7054 /* if draw offer is pending, treat it as a draw claim
7055 * when draw condition present, to allow engines a way to
7056 * claim draws before making their move to avoid a race
7057 * condition occurring after their move
7059 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7061 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7062 p = "Draw claim: 50-move rule";
7063 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7064 p = "Draw claim: 3-fold repetition";
7065 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7066 p = "Draw claim: insufficient mating material";
7067 if( p != NULL && canAdjudicate) {
7068 if(engineOpponent) {
7069 SendToProgram("force\n", engineOpponent); // suppress reply
7070 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7072 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7073 GameEnds( GameIsDrawn, p, GE_XBOARD );
7078 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7079 if(engineOpponent) {
7080 SendToProgram("force\n", engineOpponent); // suppress reply
7081 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7083 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7084 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7090 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7091 { // [HGM] book: this routine intercepts moves to simulate book replies
7092 char *bookHit = NULL;
7094 //first determine if the incoming move brings opponent into his book
7095 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7096 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7097 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7098 if(bookHit != NULL && !cps->bookSuspend) {
7099 // make sure opponent is not going to reply after receiving move to book position
7100 SendToProgram("force\n", cps);
7101 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7103 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7104 // now arrange restart after book miss
7106 // after a book hit we never send 'go', and the code after the call to this routine
7107 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7109 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7110 SendToProgram(buf, cps);
7111 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7112 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7113 SendToProgram("go\n", cps);
7114 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7115 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7116 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7117 SendToProgram("go\n", cps);
7118 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7120 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7124 ChessProgramState *savedState;
7125 void DeferredBookMove(void)
7127 if(savedState->lastPing != savedState->lastPong)
7128 ScheduleDelayedEvent(DeferredBookMove, 10);
7130 HandleMachineMove(savedMessage, savedState);
7134 HandleMachineMove(message, cps)
7136 ChessProgramState *cps;
7138 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7139 char realname[MSG_SIZ];
7140 int fromX, fromY, toX, toY;
7149 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7151 * Kludge to ignore BEL characters
7153 while (*message == '\007') message++;
7156 * [HGM] engine debug message: ignore lines starting with '#' character
7158 if(cps->debug && *message == '#') return;
7161 * Look for book output
7163 if (cps == &first && bookRequested) {
7164 if (message[0] == '\t' || message[0] == ' ') {
7165 /* Part of the book output is here; append it */
7166 strcat(bookOutput, message);
7167 strcat(bookOutput, " \n");
7169 } else if (bookOutput[0] != NULLCHAR) {
7170 /* All of book output has arrived; display it */
7171 char *p = bookOutput;
7172 while (*p != NULLCHAR) {
7173 if (*p == '\t') *p = ' ';
7176 DisplayInformation(bookOutput);
7177 bookRequested = FALSE;
7178 /* Fall through to parse the current output */
7183 * Look for machine move.
7185 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7186 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7188 /* This method is only useful on engines that support ping */
7189 if (cps->lastPing != cps->lastPong) {
7190 if (gameMode == BeginningOfGame) {
7191 /* Extra move from before last new; ignore */
7192 if (appData.debugMode) {
7193 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7196 if (appData.debugMode) {
7197 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7198 cps->which, gameMode);
7201 SendToProgram("undo\n", cps);
7207 case BeginningOfGame:
7208 /* Extra move from before last reset; ignore */
7209 if (appData.debugMode) {
7210 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7217 /* Extra move after we tried to stop. The mode test is
7218 not a reliable way of detecting this problem, but it's
7219 the best we can do on engines that don't support ping.
7221 if (appData.debugMode) {
7222 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7223 cps->which, gameMode);
7225 SendToProgram("undo\n", cps);
7228 case MachinePlaysWhite:
7229 case IcsPlayingWhite:
7230 machineWhite = TRUE;
7233 case MachinePlaysBlack:
7234 case IcsPlayingBlack:
7235 machineWhite = FALSE;
7238 case TwoMachinesPlay:
7239 machineWhite = (cps->twoMachinesColor[0] == 'w');
7242 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7243 if (appData.debugMode) {
7245 "Ignoring move out of turn by %s, gameMode %d"
7246 ", forwardMost %d\n",
7247 cps->which, gameMode, forwardMostMove);
7252 if (appData.debugMode) { int f = forwardMostMove;
7253 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7254 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7255 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7257 if(cps->alphaRank) AlphaRank(machineMove, 4);
7258 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7259 &fromX, &fromY, &toX, &toY, &promoChar)) {
7260 /* Machine move could not be parsed; ignore it. */
7261 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7262 machineMove, cps->which);
7263 DisplayError(buf1, 0);
7264 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7265 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7266 if (gameMode == TwoMachinesPlay) {
7267 GameEnds(machineWhite ? BlackWins : WhiteWins,
7273 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7274 /* So we have to redo legality test with true e.p. status here, */
7275 /* to make sure an illegal e.p. capture does not slip through, */
7276 /* to cause a forfeit on a justified illegal-move complaint */
7277 /* of the opponent. */
7278 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7280 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7281 fromY, fromX, toY, toX, promoChar);
7282 if (appData.debugMode) {
7284 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7285 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7286 fprintf(debugFP, "castling rights\n");
7288 if(moveType == IllegalMove) {
7289 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7290 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7291 GameEnds(machineWhite ? BlackWins : WhiteWins,
7294 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7295 /* [HGM] Kludge to handle engines that send FRC-style castling
7296 when they shouldn't (like TSCP-Gothic) */
7298 case WhiteASideCastleFR:
7299 case BlackASideCastleFR:
7301 currentMoveString[2]++;
7303 case WhiteHSideCastleFR:
7304 case BlackHSideCastleFR:
7306 currentMoveString[2]--;
7308 default: ; // nothing to do, but suppresses warning of pedantic compilers
7311 hintRequested = FALSE;
7312 lastHint[0] = NULLCHAR;
7313 bookRequested = FALSE;
7314 /* Program may be pondering now */
7315 cps->maybeThinking = TRUE;
7316 if (cps->sendTime == 2) cps->sendTime = 1;
7317 if (cps->offeredDraw) cps->offeredDraw--;
7319 /* currentMoveString is set as a side-effect of ParseOneMove */
7320 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7321 strcat(machineMove, "\n");
7322 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7324 /* [AS] Save move info*/
7325 pvInfoList[ forwardMostMove ].score = programStats.score;
7326 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7327 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7329 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7331 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7332 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7335 while( count < adjudicateLossPlies ) {
7336 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7339 score = -score; /* Flip score for winning side */
7342 if( score > adjudicateLossThreshold ) {
7349 if( count >= adjudicateLossPlies ) {
7350 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7352 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7353 "Xboard adjudication",
7360 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7363 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7365 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7366 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7368 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7370 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7372 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7373 char buf[3*MSG_SIZ];
7375 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7376 programStats.score / 100.,
7378 programStats.time / 100.,
7379 (unsigned int)programStats.nodes,
7380 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7381 programStats.movelist);
7383 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7388 /* [AS] Clear stats for next move */
7389 ClearProgramStats();
7390 thinkOutput[0] = NULLCHAR;
7391 hiddenThinkOutputState = 0;
7394 if (gameMode == TwoMachinesPlay) {
7395 /* [HGM] relaying draw offers moved to after reception of move */
7396 /* and interpreting offer as claim if it brings draw condition */
7397 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7398 SendToProgram("draw\n", cps->other);
7400 if (cps->other->sendTime) {
7401 SendTimeRemaining(cps->other,
7402 cps->other->twoMachinesColor[0] == 'w');
7404 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7405 if (firstMove && !bookHit) {
7407 if (cps->other->useColors) {
7408 SendToProgram(cps->other->twoMachinesColor, cps->other);
7410 SendToProgram("go\n", cps->other);
7412 cps->other->maybeThinking = TRUE;
7415 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7417 if (!pausing && appData.ringBellAfterMoves) {
7422 * Reenable menu items that were disabled while
7423 * machine was thinking
7425 if (gameMode != TwoMachinesPlay)
7426 SetUserThinkingEnables();
7428 // [HGM] book: after book hit opponent has received move and is now in force mode
7429 // force the book reply into it, and then fake that it outputted this move by jumping
7430 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7432 static char bookMove[MSG_SIZ]; // a bit generous?
7434 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7435 strcat(bookMove, bookHit);
7438 programStats.nodes = programStats.depth = programStats.time =
7439 programStats.score = programStats.got_only_move = 0;
7440 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7442 if(cps->lastPing != cps->lastPong) {
7443 savedMessage = message; // args for deferred call
7445 ScheduleDelayedEvent(DeferredBookMove, 10);
7454 /* Set special modes for chess engines. Later something general
7455 * could be added here; for now there is just one kludge feature,
7456 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7457 * when "xboard" is given as an interactive command.
7459 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7460 cps->useSigint = FALSE;
7461 cps->useSigterm = FALSE;
7463 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7464 ParseFeatures(message+8, cps);
7465 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7468 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7469 int dummy, s=6; char buf[MSG_SIZ];
7470 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7471 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7472 ParseFEN(boards[0], &dummy, message+s);
7473 DrawPosition(TRUE, boards[0]);
7474 startedFromSetupPosition = TRUE;
7477 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7478 * want this, I was asked to put it in, and obliged.
7480 if (!strncmp(message, "setboard ", 9)) {
7481 Board initial_position;
7483 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7485 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7486 DisplayError(_("Bad FEN received from engine"), 0);
7490 CopyBoard(boards[0], initial_position);
7491 initialRulePlies = FENrulePlies;
7492 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7493 else gameMode = MachinePlaysBlack;
7494 DrawPosition(FALSE, boards[currentMove]);
7500 * Look for communication commands
7502 if (!strncmp(message, "telluser ", 9)) {
7503 if(message[9] == '\\' && message[10] == '\\')
7504 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7505 DisplayNote(message + 9);
7508 if (!strncmp(message, "tellusererror ", 14)) {
7510 if(message[14] == '\\' && message[15] == '\\')
7511 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7512 DisplayError(message + 14, 0);
7515 if (!strncmp(message, "tellopponent ", 13)) {
7516 if (appData.icsActive) {
7518 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7522 DisplayNote(message + 13);
7526 if (!strncmp(message, "tellothers ", 11)) {
7527 if (appData.icsActive) {
7529 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7535 if (!strncmp(message, "tellall ", 8)) {
7536 if (appData.icsActive) {
7538 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7542 DisplayNote(message + 8);
7546 if (strncmp(message, "warning", 7) == 0) {
7547 /* Undocumented feature, use tellusererror in new code */
7548 DisplayError(message, 0);
7551 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7552 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7553 strcat(realname, " query");
7554 AskQuestion(realname, buf2, buf1, cps->pr);
7557 /* Commands from the engine directly to ICS. We don't allow these to be
7558 * sent until we are logged on. Crafty kibitzes have been known to
7559 * interfere with the login process.
7562 if (!strncmp(message, "tellics ", 8)) {
7563 SendToICS(message + 8);
7567 if (!strncmp(message, "tellicsnoalias ", 15)) {
7568 SendToICS(ics_prefix);
7569 SendToICS(message + 15);
7573 /* The following are for backward compatibility only */
7574 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7575 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7576 SendToICS(ics_prefix);
7582 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7586 * If the move is illegal, cancel it and redraw the board.
7587 * Also deal with other error cases. Matching is rather loose
7588 * here to accommodate engines written before the spec.
7590 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7591 strncmp(message, "Error", 5) == 0) {
7592 if (StrStr(message, "name") ||
7593 StrStr(message, "rating") || StrStr(message, "?") ||
7594 StrStr(message, "result") || StrStr(message, "board") ||
7595 StrStr(message, "bk") || StrStr(message, "computer") ||
7596 StrStr(message, "variant") || StrStr(message, "hint") ||
7597 StrStr(message, "random") || StrStr(message, "depth") ||
7598 StrStr(message, "accepted")) {
7601 if (StrStr(message, "protover")) {
7602 /* Program is responding to input, so it's apparently done
7603 initializing, and this error message indicates it is
7604 protocol version 1. So we don't need to wait any longer
7605 for it to initialize and send feature commands. */
7606 FeatureDone(cps, 1);
7607 cps->protocolVersion = 1;
7610 cps->maybeThinking = FALSE;
7612 if (StrStr(message, "draw")) {
7613 /* Program doesn't have "draw" command */
7614 cps->sendDrawOffers = 0;
7617 if (cps->sendTime != 1 &&
7618 (StrStr(message, "time") || StrStr(message, "otim"))) {
7619 /* Program apparently doesn't have "time" or "otim" command */
7623 if (StrStr(message, "analyze")) {
7624 cps->analysisSupport = FALSE;
7625 cps->analyzing = FALSE;
7627 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7628 DisplayError(buf2, 0);
7631 if (StrStr(message, "(no matching move)st")) {
7632 /* Special kludge for GNU Chess 4 only */
7633 cps->stKludge = TRUE;
7634 SendTimeControl(cps, movesPerSession, timeControl,
7635 timeIncrement, appData.searchDepth,
7639 if (StrStr(message, "(no matching move)sd")) {
7640 /* Special kludge for GNU Chess 4 only */
7641 cps->sdKludge = TRUE;
7642 SendTimeControl(cps, movesPerSession, timeControl,
7643 timeIncrement, appData.searchDepth,
7647 if (!StrStr(message, "llegal")) {
7650 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7651 gameMode == IcsIdle) return;
7652 if (forwardMostMove <= backwardMostMove) return;
7653 if (pausing) PauseEvent();
7654 if(appData.forceIllegal) {
7655 // [HGM] illegal: machine refused move; force position after move into it
7656 SendToProgram("force\n", cps);
7657 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7658 // we have a real problem now, as SendBoard will use the a2a3 kludge
7659 // when black is to move, while there might be nothing on a2 or black
7660 // might already have the move. So send the board as if white has the move.
7661 // But first we must change the stm of the engine, as it refused the last move
7662 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7663 if(WhiteOnMove(forwardMostMove)) {
7664 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7665 SendBoard(cps, forwardMostMove); // kludgeless board
7667 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7668 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7669 SendBoard(cps, forwardMostMove+1); // kludgeless board
7671 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7672 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7673 gameMode == TwoMachinesPlay)
7674 SendToProgram("go\n", cps);
7677 if (gameMode == PlayFromGameFile) {
7678 /* Stop reading this game file */
7679 gameMode = EditGame;
7682 currentMove = forwardMostMove-1;
7683 DisplayMove(currentMove-1); /* before DisplayMoveError */
7684 SwitchClocks(forwardMostMove-1); // [HGM] race
7685 DisplayBothClocks();
7686 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7687 parseList[currentMove], cps->which);
7688 DisplayMoveError(buf1);
7689 DrawPosition(FALSE, boards[currentMove]);
7691 /* [HGM] illegal-move claim should forfeit game when Xboard */
7692 /* only passes fully legal moves */
7693 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7694 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7695 "False illegal-move claim", GE_XBOARD );
7699 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7700 /* Program has a broken "time" command that
7701 outputs a string not ending in newline.
7707 * If chess program startup fails, exit with an error message.
7708 * Attempts to recover here are futile.
7710 if ((StrStr(message, "unknown host") != NULL)
7711 || (StrStr(message, "No remote directory") != NULL)
7712 || (StrStr(message, "not found") != NULL)
7713 || (StrStr(message, "No such file") != NULL)
7714 || (StrStr(message, "can't alloc") != NULL)
7715 || (StrStr(message, "Permission denied") != NULL)) {
7717 cps->maybeThinking = FALSE;
7718 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7719 cps->which, cps->program, cps->host, message);
7720 RemoveInputSource(cps->isr);
7721 DisplayFatalError(buf1, 0, 1);
7726 * Look for hint output
7728 if (sscanf(message, "Hint: %s", buf1) == 1) {
7729 if (cps == &first && hintRequested) {
7730 hintRequested = FALSE;
7731 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7732 &fromX, &fromY, &toX, &toY, &promoChar)) {
7733 (void) CoordsToAlgebraic(boards[forwardMostMove],
7734 PosFlags(forwardMostMove),
7735 fromY, fromX, toY, toX, promoChar, buf1);
7736 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7737 DisplayInformation(buf2);
7739 /* Hint move could not be parsed!? */
7740 snprintf(buf2, sizeof(buf2),
7741 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7743 DisplayError(buf2, 0);
7746 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7752 * Ignore other messages if game is not in progress
7754 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7755 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7758 * look for win, lose, draw, or draw offer
7760 if (strncmp(message, "1-0", 3) == 0) {
7761 char *p, *q, *r = "";
7762 p = strchr(message, '{');
7770 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7772 } else if (strncmp(message, "0-1", 3) == 0) {
7773 char *p, *q, *r = "";
7774 p = strchr(message, '{');
7782 /* Kludge for Arasan 4.1 bug */
7783 if (strcmp(r, "Black resigns") == 0) {
7784 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7787 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7789 } else if (strncmp(message, "1/2", 3) == 0) {
7790 char *p, *q, *r = "";
7791 p = strchr(message, '{');
7800 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7803 } else if (strncmp(message, "White resign", 12) == 0) {
7804 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7806 } else if (strncmp(message, "Black resign", 12) == 0) {
7807 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7809 } else if (strncmp(message, "White matches", 13) == 0 ||
7810 strncmp(message, "Black matches", 13) == 0 ) {
7811 /* [HGM] ignore GNUShogi noises */
7813 } else if (strncmp(message, "White", 5) == 0 &&
7814 message[5] != '(' &&
7815 StrStr(message, "Black") == NULL) {
7816 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7818 } else if (strncmp(message, "Black", 5) == 0 &&
7819 message[5] != '(') {
7820 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7822 } else if (strcmp(message, "resign") == 0 ||
7823 strcmp(message, "computer resigns") == 0) {
7825 case MachinePlaysBlack:
7826 case IcsPlayingBlack:
7827 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7829 case MachinePlaysWhite:
7830 case IcsPlayingWhite:
7831 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7833 case TwoMachinesPlay:
7834 if (cps->twoMachinesColor[0] == 'w')
7835 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7837 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7844 } else if (strncmp(message, "opponent mates", 14) == 0) {
7846 case MachinePlaysBlack:
7847 case IcsPlayingBlack:
7848 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7850 case MachinePlaysWhite:
7851 case IcsPlayingWhite:
7852 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7854 case TwoMachinesPlay:
7855 if (cps->twoMachinesColor[0] == 'w')
7856 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7858 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7865 } else if (strncmp(message, "computer mates", 14) == 0) {
7867 case MachinePlaysBlack:
7868 case IcsPlayingBlack:
7869 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7871 case MachinePlaysWhite:
7872 case IcsPlayingWhite:
7873 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7875 case TwoMachinesPlay:
7876 if (cps->twoMachinesColor[0] == 'w')
7877 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7879 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7886 } else if (strncmp(message, "checkmate", 9) == 0) {
7887 if (WhiteOnMove(forwardMostMove)) {
7888 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7890 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7893 } else if (strstr(message, "Draw") != NULL ||
7894 strstr(message, "game is a draw") != NULL) {
7895 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7897 } else if (strstr(message, "offer") != NULL &&
7898 strstr(message, "draw") != NULL) {
7900 if (appData.zippyPlay && first.initDone) {
7901 /* Relay offer to ICS */
7902 SendToICS(ics_prefix);
7903 SendToICS("draw\n");
7906 cps->offeredDraw = 2; /* valid until this engine moves twice */
7907 if (gameMode == TwoMachinesPlay) {
7908 if (cps->other->offeredDraw) {
7909 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7910 /* [HGM] in two-machine mode we delay relaying draw offer */
7911 /* until after we also have move, to see if it is really claim */
7913 } else if (gameMode == MachinePlaysWhite ||
7914 gameMode == MachinePlaysBlack) {
7915 if (userOfferedDraw) {
7916 DisplayInformation(_("Machine accepts your draw offer"));
7917 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7919 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7926 * Look for thinking output
7928 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7929 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7931 int plylev, mvleft, mvtot, curscore, time;
7932 char mvname[MOVE_LEN];
7936 int prefixHint = FALSE;
7937 mvname[0] = NULLCHAR;
7940 case MachinePlaysBlack:
7941 case IcsPlayingBlack:
7942 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7944 case MachinePlaysWhite:
7945 case IcsPlayingWhite:
7946 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7951 case IcsObserving: /* [DM] icsEngineAnalyze */
7952 if (!appData.icsEngineAnalyze) ignore = TRUE;
7954 case TwoMachinesPlay:
7955 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7965 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7967 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7968 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7970 if (plyext != ' ' && plyext != '\t') {
7974 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7975 if( cps->scoreIsAbsolute &&
7976 ( gameMode == MachinePlaysBlack ||
7977 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7978 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7979 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7980 !WhiteOnMove(currentMove)
7983 curscore = -curscore;
7987 tempStats.depth = plylev;
7988 tempStats.nodes = nodes;
7989 tempStats.time = time;
7990 tempStats.score = curscore;
7991 tempStats.got_only_move = 0;
7993 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7996 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7997 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
7998 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
7999 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8000 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8001 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8002 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8003 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8006 /* Buffer overflow protection */
8007 if (buf1[0] != NULLCHAR) {
8008 if (strlen(buf1) >= sizeof(tempStats.movelist)
8009 && appData.debugMode) {
8011 "PV is too long; using the first %u bytes.\n",
8012 (unsigned) sizeof(tempStats.movelist) - 1);
8015 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8017 sprintf(tempStats.movelist, " no PV\n");
8020 if (tempStats.seen_stat) {
8021 tempStats.ok_to_send = 1;
8024 if (strchr(tempStats.movelist, '(') != NULL) {
8025 tempStats.line_is_book = 1;
8026 tempStats.nr_moves = 0;
8027 tempStats.moves_left = 0;
8029 tempStats.line_is_book = 0;
8032 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8033 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8035 SendProgramStatsToFrontend( cps, &tempStats );
8038 [AS] Protect the thinkOutput buffer from overflow... this
8039 is only useful if buf1 hasn't overflowed first!
8041 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8043 (gameMode == TwoMachinesPlay ?
8044 ToUpper(cps->twoMachinesColor[0]) : ' '),
8045 ((double) curscore) / 100.0,
8046 prefixHint ? lastHint : "",
8047 prefixHint ? " " : "" );
8049 if( buf1[0] != NULLCHAR ) {
8050 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8052 if( strlen(buf1) > max_len ) {
8053 if( appData.debugMode) {
8054 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8056 buf1[max_len+1] = '\0';
8059 strcat( thinkOutput, buf1 );
8062 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8063 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8064 DisplayMove(currentMove - 1);
8068 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8069 /* crafty (9.25+) says "(only move) <move>"
8070 * if there is only 1 legal move
8072 sscanf(p, "(only move) %s", buf1);
8073 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8074 sprintf(programStats.movelist, "%s (only move)", buf1);
8075 programStats.depth = 1;
8076 programStats.nr_moves = 1;
8077 programStats.moves_left = 1;
8078 programStats.nodes = 1;
8079 programStats.time = 1;
8080 programStats.got_only_move = 1;
8082 /* Not really, but we also use this member to
8083 mean "line isn't going to change" (Crafty
8084 isn't searching, so stats won't change) */
8085 programStats.line_is_book = 1;
8087 SendProgramStatsToFrontend( cps, &programStats );
8089 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8090 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8091 DisplayMove(currentMove - 1);
8094 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8095 &time, &nodes, &plylev, &mvleft,
8096 &mvtot, mvname) >= 5) {
8097 /* The stat01: line is from Crafty (9.29+) in response
8098 to the "." command */
8099 programStats.seen_stat = 1;
8100 cps->maybeThinking = TRUE;
8102 if (programStats.got_only_move || !appData.periodicUpdates)
8105 programStats.depth = plylev;
8106 programStats.time = time;
8107 programStats.nodes = nodes;
8108 programStats.moves_left = mvleft;
8109 programStats.nr_moves = mvtot;
8110 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8111 programStats.ok_to_send = 1;
8112 programStats.movelist[0] = '\0';
8114 SendProgramStatsToFrontend( cps, &programStats );
8118 } else if (strncmp(message,"++",2) == 0) {
8119 /* Crafty 9.29+ outputs this */
8120 programStats.got_fail = 2;
8123 } else if (strncmp(message,"--",2) == 0) {
8124 /* Crafty 9.29+ outputs this */
8125 programStats.got_fail = 1;
8128 } else if (thinkOutput[0] != NULLCHAR &&
8129 strncmp(message, " ", 4) == 0) {
8130 unsigned message_len;
8133 while (*p && *p == ' ') p++;
8135 message_len = strlen( p );
8137 /* [AS] Avoid buffer overflow */
8138 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8139 strcat(thinkOutput, " ");
8140 strcat(thinkOutput, p);
8143 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8144 strcat(programStats.movelist, " ");
8145 strcat(programStats.movelist, p);
8148 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8149 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8150 DisplayMove(currentMove - 1);
8158 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8159 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8161 ChessProgramStats cpstats;
8163 if (plyext != ' ' && plyext != '\t') {
8167 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8168 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8169 curscore = -curscore;
8172 cpstats.depth = plylev;
8173 cpstats.nodes = nodes;
8174 cpstats.time = time;
8175 cpstats.score = curscore;
8176 cpstats.got_only_move = 0;
8177 cpstats.movelist[0] = '\0';
8179 if (buf1[0] != NULLCHAR) {
8180 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8183 cpstats.ok_to_send = 0;
8184 cpstats.line_is_book = 0;
8185 cpstats.nr_moves = 0;
8186 cpstats.moves_left = 0;
8188 SendProgramStatsToFrontend( cps, &cpstats );
8195 /* Parse a game score from the character string "game", and
8196 record it as the history of the current game. The game
8197 score is NOT assumed to start from the standard position.
8198 The display is not updated in any way.
8201 ParseGameHistory(game)
8205 int fromX, fromY, toX, toY, boardIndex;
8210 if (appData.debugMode)
8211 fprintf(debugFP, "Parsing game history: %s\n", game);
8213 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8214 gameInfo.site = StrSave(appData.icsHost);
8215 gameInfo.date = PGNDate();
8216 gameInfo.round = StrSave("-");
8218 /* Parse out names of players */
8219 while (*game == ' ') game++;
8221 while (*game != ' ') *p++ = *game++;
8223 gameInfo.white = StrSave(buf);
8224 while (*game == ' ') game++;
8226 while (*game != ' ' && *game != '\n') *p++ = *game++;
8228 gameInfo.black = StrSave(buf);
8231 boardIndex = blackPlaysFirst ? 1 : 0;
8234 yyboardindex = boardIndex;
8235 moveType = (ChessMove) Myylex();
8237 case IllegalMove: /* maybe suicide chess, etc. */
8238 if (appData.debugMode) {
8239 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8241 setbuf(debugFP, NULL);
8243 case WhitePromotion:
8244 case BlackPromotion:
8245 case WhiteNonPromotion:
8246 case BlackNonPromotion:
8248 case WhiteCapturesEnPassant:
8249 case BlackCapturesEnPassant:
8250 case WhiteKingSideCastle:
8251 case WhiteQueenSideCastle:
8252 case BlackKingSideCastle:
8253 case BlackQueenSideCastle:
8254 case WhiteKingSideCastleWild:
8255 case WhiteQueenSideCastleWild:
8256 case BlackKingSideCastleWild:
8257 case BlackQueenSideCastleWild:
8259 case WhiteHSideCastleFR:
8260 case WhiteASideCastleFR:
8261 case BlackHSideCastleFR:
8262 case BlackASideCastleFR:
8264 fromX = currentMoveString[0] - AAA;
8265 fromY = currentMoveString[1] - ONE;
8266 toX = currentMoveString[2] - AAA;
8267 toY = currentMoveString[3] - ONE;
8268 promoChar = currentMoveString[4];
8272 fromX = moveType == WhiteDrop ?
8273 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8274 (int) CharToPiece(ToLower(currentMoveString[0]));
8276 toX = currentMoveString[2] - AAA;
8277 toY = currentMoveString[3] - ONE;
8278 promoChar = NULLCHAR;
8282 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8283 if (appData.debugMode) {
8284 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8285 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8286 setbuf(debugFP, NULL);
8288 DisplayError(buf, 0);
8290 case ImpossibleMove:
8292 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8293 if (appData.debugMode) {
8294 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8295 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8296 setbuf(debugFP, NULL);
8298 DisplayError(buf, 0);
8301 if (boardIndex < backwardMostMove) {
8302 /* Oops, gap. How did that happen? */
8303 DisplayError(_("Gap in move list"), 0);
8306 backwardMostMove = blackPlaysFirst ? 1 : 0;
8307 if (boardIndex > forwardMostMove) {
8308 forwardMostMove = boardIndex;
8312 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8313 strcat(parseList[boardIndex-1], " ");
8314 strcat(parseList[boardIndex-1], yy_text);
8326 case GameUnfinished:
8327 if (gameMode == IcsExamining) {
8328 if (boardIndex < backwardMostMove) {
8329 /* Oops, gap. How did that happen? */
8332 backwardMostMove = blackPlaysFirst ? 1 : 0;
8335 gameInfo.result = moveType;
8336 p = strchr(yy_text, '{');
8337 if (p == NULL) p = strchr(yy_text, '(');
8340 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8342 q = strchr(p, *p == '{' ? '}' : ')');
8343 if (q != NULL) *q = NULLCHAR;
8346 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8347 gameInfo.resultDetails = StrSave(p);
8350 if (boardIndex >= forwardMostMove &&
8351 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8352 backwardMostMove = blackPlaysFirst ? 1 : 0;
8355 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8356 fromY, fromX, toY, toX, promoChar,
8357 parseList[boardIndex]);
8358 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8359 /* currentMoveString is set as a side-effect of yylex */
8360 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8361 strcat(moveList[boardIndex], "\n");
8363 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8364 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8370 if(gameInfo.variant != VariantShogi)
8371 strcat(parseList[boardIndex - 1], "+");
8375 strcat(parseList[boardIndex - 1], "#");
8382 /* Apply a move to the given board */
8384 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8385 int fromX, fromY, toX, toY;
8389 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8390 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8392 /* [HGM] compute & store e.p. status and castling rights for new position */
8393 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8395 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8396 oldEP = (signed char)board[EP_STATUS];
8397 board[EP_STATUS] = EP_NONE;
8399 if( board[toY][toX] != EmptySquare )
8400 board[EP_STATUS] = EP_CAPTURE;
8402 if (fromY == DROP_RANK) {
8404 piece = board[toY][toX] = (ChessSquare) fromX;
8408 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8409 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8411 if( board[fromY][fromX] == WhitePawn ) {
8412 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8413 board[EP_STATUS] = EP_PAWN_MOVE;
8415 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8416 gameInfo.variant != VariantBerolina || toX < fromX)
8417 board[EP_STATUS] = toX | berolina;
8418 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8419 gameInfo.variant != VariantBerolina || toX > fromX)
8420 board[EP_STATUS] = toX;
8423 if( board[fromY][fromX] == BlackPawn ) {
8424 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8425 board[EP_STATUS] = EP_PAWN_MOVE;
8426 if( toY-fromY== -2) {
8427 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8428 gameInfo.variant != VariantBerolina || toX < fromX)
8429 board[EP_STATUS] = toX | berolina;
8430 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8431 gameInfo.variant != VariantBerolina || toX > fromX)
8432 board[EP_STATUS] = toX;
8436 for(i=0; i<nrCastlingRights; i++) {
8437 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8438 board[CASTLING][i] == toX && castlingRank[i] == toY
8439 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8442 if (fromX == toX && fromY == toY) return;
8444 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8445 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8446 if(gameInfo.variant == VariantKnightmate)
8447 king += (int) WhiteUnicorn - (int) WhiteKing;
8449 /* Code added by Tord: */
8450 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8451 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8452 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8453 board[fromY][fromX] = EmptySquare;
8454 board[toY][toX] = EmptySquare;
8455 if((toX > fromX) != (piece == WhiteRook)) {
8456 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8458 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8460 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8461 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8462 board[fromY][fromX] = EmptySquare;
8463 board[toY][toX] = EmptySquare;
8464 if((toX > fromX) != (piece == BlackRook)) {
8465 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8467 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8469 /* End of code added by Tord */
8471 } else if (board[fromY][fromX] == king
8472 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8473 && toY == fromY && toX > fromX+1) {
8474 board[fromY][fromX] = EmptySquare;
8475 board[toY][toX] = king;
8476 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8477 board[fromY][BOARD_RGHT-1] = EmptySquare;
8478 } else if (board[fromY][fromX] == king
8479 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8480 && toY == fromY && toX < fromX-1) {
8481 board[fromY][fromX] = EmptySquare;
8482 board[toY][toX] = king;
8483 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8484 board[fromY][BOARD_LEFT] = EmptySquare;
8485 } else if (board[fromY][fromX] == WhitePawn
8486 && toY >= BOARD_HEIGHT-promoRank
8487 && gameInfo.variant != VariantXiangqi
8489 /* white pawn promotion */
8490 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8491 if (board[toY][toX] == EmptySquare) {
8492 board[toY][toX] = WhiteQueen;
8494 if(gameInfo.variant==VariantBughouse ||
8495 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8496 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8497 board[fromY][fromX] = EmptySquare;
8498 } else if ((fromY == BOARD_HEIGHT-4)
8500 && gameInfo.variant != VariantXiangqi
8501 && gameInfo.variant != VariantBerolina
8502 && (board[fromY][fromX] == WhitePawn)
8503 && (board[toY][toX] == EmptySquare)) {
8504 board[fromY][fromX] = EmptySquare;
8505 board[toY][toX] = WhitePawn;
8506 captured = board[toY - 1][toX];
8507 board[toY - 1][toX] = EmptySquare;
8508 } else if ((fromY == BOARD_HEIGHT-4)
8510 && gameInfo.variant == VariantBerolina
8511 && (board[fromY][fromX] == WhitePawn)
8512 && (board[toY][toX] == EmptySquare)) {
8513 board[fromY][fromX] = EmptySquare;
8514 board[toY][toX] = WhitePawn;
8515 if(oldEP & EP_BEROLIN_A) {
8516 captured = board[fromY][fromX-1];
8517 board[fromY][fromX-1] = EmptySquare;
8518 }else{ captured = board[fromY][fromX+1];
8519 board[fromY][fromX+1] = EmptySquare;
8521 } else if (board[fromY][fromX] == king
8522 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8523 && toY == fromY && toX > fromX+1) {
8524 board[fromY][fromX] = EmptySquare;
8525 board[toY][toX] = king;
8526 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8527 board[fromY][BOARD_RGHT-1] = EmptySquare;
8528 } else if (board[fromY][fromX] == king
8529 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8530 && toY == fromY && toX < fromX-1) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = king;
8533 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8534 board[fromY][BOARD_LEFT] = EmptySquare;
8535 } else if (fromY == 7 && fromX == 3
8536 && board[fromY][fromX] == BlackKing
8537 && toY == 7 && toX == 5) {
8538 board[fromY][fromX] = EmptySquare;
8539 board[toY][toX] = BlackKing;
8540 board[fromY][7] = EmptySquare;
8541 board[toY][4] = BlackRook;
8542 } else if (fromY == 7 && fromX == 3
8543 && board[fromY][fromX] == BlackKing
8544 && toY == 7 && toX == 1) {
8545 board[fromY][fromX] = EmptySquare;
8546 board[toY][toX] = BlackKing;
8547 board[fromY][0] = EmptySquare;
8548 board[toY][2] = BlackRook;
8549 } else if (board[fromY][fromX] == BlackPawn
8551 && gameInfo.variant != VariantXiangqi
8553 /* black pawn promotion */
8554 board[toY][toX] = CharToPiece(ToLower(promoChar));
8555 if (board[toY][toX] == EmptySquare) {
8556 board[toY][toX] = BlackQueen;
8558 if(gameInfo.variant==VariantBughouse ||
8559 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8560 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8561 board[fromY][fromX] = EmptySquare;
8562 } else if ((fromY == 3)
8564 && gameInfo.variant != VariantXiangqi
8565 && gameInfo.variant != VariantBerolina
8566 && (board[fromY][fromX] == BlackPawn)
8567 && (board[toY][toX] == EmptySquare)) {
8568 board[fromY][fromX] = EmptySquare;
8569 board[toY][toX] = BlackPawn;
8570 captured = board[toY + 1][toX];
8571 board[toY + 1][toX] = EmptySquare;
8572 } else if ((fromY == 3)
8574 && gameInfo.variant == VariantBerolina
8575 && (board[fromY][fromX] == BlackPawn)
8576 && (board[toY][toX] == EmptySquare)) {
8577 board[fromY][fromX] = EmptySquare;
8578 board[toY][toX] = BlackPawn;
8579 if(oldEP & EP_BEROLIN_A) {
8580 captured = board[fromY][fromX-1];
8581 board[fromY][fromX-1] = EmptySquare;
8582 }else{ captured = board[fromY][fromX+1];
8583 board[fromY][fromX+1] = EmptySquare;
8586 board[toY][toX] = board[fromY][fromX];
8587 board[fromY][fromX] = EmptySquare;
8591 if (gameInfo.holdingsWidth != 0) {
8593 /* !!A lot more code needs to be written to support holdings */
8594 /* [HGM] OK, so I have written it. Holdings are stored in the */
8595 /* penultimate board files, so they are automaticlly stored */
8596 /* in the game history. */
8597 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8598 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8599 /* Delete from holdings, by decreasing count */
8600 /* and erasing image if necessary */
8601 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8602 if(p < (int) BlackPawn) { /* white drop */
8603 p -= (int)WhitePawn;
8604 p = PieceToNumber((ChessSquare)p);
8605 if(p >= gameInfo.holdingsSize) p = 0;
8606 if(--board[p][BOARD_WIDTH-2] <= 0)
8607 board[p][BOARD_WIDTH-1] = EmptySquare;
8608 if((int)board[p][BOARD_WIDTH-2] < 0)
8609 board[p][BOARD_WIDTH-2] = 0;
8610 } else { /* black drop */
8611 p -= (int)BlackPawn;
8612 p = PieceToNumber((ChessSquare)p);
8613 if(p >= gameInfo.holdingsSize) p = 0;
8614 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8615 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8616 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8617 board[BOARD_HEIGHT-1-p][1] = 0;
8620 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8621 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8622 /* [HGM] holdings: Add to holdings, if holdings exist */
8623 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8624 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8625 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8628 if (p >= (int) BlackPawn) {
8629 p -= (int)BlackPawn;
8630 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8631 /* in Shogi restore piece to its original first */
8632 captured = (ChessSquare) (DEMOTED captured);
8635 p = PieceToNumber((ChessSquare)p);
8636 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8637 board[p][BOARD_WIDTH-2]++;
8638 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8640 p -= (int)WhitePawn;
8641 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8642 captured = (ChessSquare) (DEMOTED captured);
8645 p = PieceToNumber((ChessSquare)p);
8646 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8647 board[BOARD_HEIGHT-1-p][1]++;
8648 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8651 } else if (gameInfo.variant == VariantAtomic) {
8652 if (captured != EmptySquare) {
8654 for (y = toY-1; y <= toY+1; y++) {
8655 for (x = toX-1; x <= toX+1; x++) {
8656 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8657 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8658 board[y][x] = EmptySquare;
8662 board[toY][toX] = EmptySquare;
8665 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8666 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8668 if(promoChar == '+') {
8669 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8670 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8671 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8672 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8674 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8675 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8676 // [HGM] superchess: take promotion piece out of holdings
8677 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8678 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8679 if(!--board[k][BOARD_WIDTH-2])
8680 board[k][BOARD_WIDTH-1] = EmptySquare;
8682 if(!--board[BOARD_HEIGHT-1-k][1])
8683 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8689 /* Updates forwardMostMove */
8691 MakeMove(fromX, fromY, toX, toY, promoChar)
8692 int fromX, fromY, toX, toY;
8695 // forwardMostMove++; // [HGM] bare: moved downstream
8697 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8698 int timeLeft; static int lastLoadFlag=0; int king, piece;
8699 piece = boards[forwardMostMove][fromY][fromX];
8700 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8701 if(gameInfo.variant == VariantKnightmate)
8702 king += (int) WhiteUnicorn - (int) WhiteKing;
8703 if(forwardMostMove == 0) {
8705 fprintf(serverMoves, "%s;", second.tidy);
8706 fprintf(serverMoves, "%s;", first.tidy);
8707 if(!blackPlaysFirst)
8708 fprintf(serverMoves, "%s;", second.tidy);
8709 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8710 lastLoadFlag = loadFlag;
8712 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8713 // print castling suffix
8714 if( toY == fromY && piece == king ) {
8716 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8718 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8721 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8722 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8723 boards[forwardMostMove][toY][toX] == EmptySquare
8724 && fromX != toX && fromY != toY)
8725 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8727 if(promoChar != NULLCHAR)
8728 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8730 fprintf(serverMoves, "/%d/%d",
8731 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8732 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8733 else timeLeft = blackTimeRemaining/1000;
8734 fprintf(serverMoves, "/%d", timeLeft);
8736 fflush(serverMoves);
8739 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8740 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8744 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8745 if (commentList[forwardMostMove+1] != NULL) {
8746 free(commentList[forwardMostMove+1]);
8747 commentList[forwardMostMove+1] = NULL;
8749 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8750 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8751 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8752 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8753 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8754 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8755 gameInfo.result = GameUnfinished;
8756 if (gameInfo.resultDetails != NULL) {
8757 free(gameInfo.resultDetails);
8758 gameInfo.resultDetails = NULL;
8760 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8761 moveList[forwardMostMove - 1]);
8762 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8763 PosFlags(forwardMostMove - 1),
8764 fromY, fromX, toY, toX, promoChar,
8765 parseList[forwardMostMove - 1]);
8766 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8772 if(gameInfo.variant != VariantShogi)
8773 strcat(parseList[forwardMostMove - 1], "+");
8777 strcat(parseList[forwardMostMove - 1], "#");
8780 if (appData.debugMode) {
8781 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8786 /* Updates currentMove if not pausing */
8788 ShowMove(fromX, fromY, toX, toY)
8790 int instant = (gameMode == PlayFromGameFile) ?
8791 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8792 if(appData.noGUI) return;
8793 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8795 if (forwardMostMove == currentMove + 1) {
8796 AnimateMove(boards[forwardMostMove - 1],
8797 fromX, fromY, toX, toY);
8799 if (appData.highlightLastMove) {
8800 SetHighlights(fromX, fromY, toX, toY);
8803 currentMove = forwardMostMove;
8806 if (instant) return;
8808 DisplayMove(currentMove - 1);
8809 DrawPosition(FALSE, boards[currentMove]);
8810 DisplayBothClocks();
8811 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8814 void SendEgtPath(ChessProgramState *cps)
8815 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8816 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8818 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8821 char c, *q = name+1, *r, *s;
8823 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8824 while(*p && *p != ',') *q++ = *p++;
8826 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8827 strcmp(name, ",nalimov:") == 0 ) {
8828 // take nalimov path from the menu-changeable option first, if it is defined
8829 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8830 SendToProgram(buf,cps); // send egtbpath command for nalimov
8832 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8833 (s = StrStr(appData.egtFormats, name)) != NULL) {
8834 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8835 s = r = StrStr(s, ":") + 1; // beginning of path info
8836 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8837 c = *r; *r = 0; // temporarily null-terminate path info
8838 *--q = 0; // strip of trailig ':' from name
8839 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8841 SendToProgram(buf,cps); // send egtbpath command for this format
8843 if(*p == ',') p++; // read away comma to position for next format name
8848 InitChessProgram(cps, setup)
8849 ChessProgramState *cps;
8850 int setup; /* [HGM] needed to setup FRC opening position */
8852 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8853 if (appData.noChessProgram) return;
8854 hintRequested = FALSE;
8855 bookRequested = FALSE;
8857 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8858 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8859 if(cps->memSize) { /* [HGM] memory */
8860 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8861 SendToProgram(buf, cps);
8863 SendEgtPath(cps); /* [HGM] EGT */
8864 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8865 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8866 SendToProgram(buf, cps);
8869 SendToProgram(cps->initString, cps);
8870 if (gameInfo.variant != VariantNormal &&
8871 gameInfo.variant != VariantLoadable
8872 /* [HGM] also send variant if board size non-standard */
8873 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8875 char *v = VariantName(gameInfo.variant);
8876 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8877 /* [HGM] in protocol 1 we have to assume all variants valid */
8878 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8879 DisplayFatalError(buf, 0, 1);
8883 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8884 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8885 if( gameInfo.variant == VariantXiangqi )
8886 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8887 if( gameInfo.variant == VariantShogi )
8888 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8889 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8890 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8891 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8892 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8893 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8894 if( gameInfo.variant == VariantCourier )
8895 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8896 if( gameInfo.variant == VariantSuper )
8897 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8898 if( gameInfo.variant == VariantGreat )
8899 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8900 if( gameInfo.variant == VariantSChess )
8901 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8904 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8905 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8906 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8907 if(StrStr(cps->variants, b) == NULL) {
8908 // specific sized variant not known, check if general sizing allowed
8909 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8910 if(StrStr(cps->variants, "boardsize") == NULL) {
8911 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8912 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8913 DisplayFatalError(buf, 0, 1);
8916 /* [HGM] here we really should compare with the maximum supported board size */
8919 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8920 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8921 SendToProgram(buf, cps);
8923 currentlyInitializedVariant = gameInfo.variant;
8925 /* [HGM] send opening position in FRC to first engine */
8927 SendToProgram("force\n", cps);
8929 /* engine is now in force mode! Set flag to wake it up after first move. */
8930 setboardSpoiledMachineBlack = 1;
8934 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8935 SendToProgram(buf, cps);
8937 cps->maybeThinking = FALSE;
8938 cps->offeredDraw = 0;
8939 if (!appData.icsActive) {
8940 SendTimeControl(cps, movesPerSession, timeControl,
8941 timeIncrement, appData.searchDepth,
8944 if (appData.showThinking
8945 // [HGM] thinking: four options require thinking output to be sent
8946 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8948 SendToProgram("post\n", cps);
8950 SendToProgram("hard\n", cps);
8951 if (!appData.ponderNextMove) {
8952 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8953 it without being sure what state we are in first. "hard"
8954 is not a toggle, so that one is OK.
8956 SendToProgram("easy\n", cps);
8959 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8960 SendToProgram(buf, cps);
8962 cps->initDone = TRUE;
8967 StartChessProgram(cps)
8968 ChessProgramState *cps;
8973 if (appData.noChessProgram) return;
8974 cps->initDone = FALSE;
8976 if (strcmp(cps->host, "localhost") == 0) {
8977 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8978 } else if (*appData.remoteShell == NULLCHAR) {
8979 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8981 if (*appData.remoteUser == NULLCHAR) {
8982 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8985 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8986 cps->host, appData.remoteUser, cps->program);
8988 err = StartChildProcess(buf, "", &cps->pr);
8992 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8993 DisplayFatalError(buf, err, 1);
8999 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9000 if (cps->protocolVersion > 1) {
9001 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9002 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9003 cps->comboCnt = 0; // and values of combo boxes
9004 SendToProgram(buf, cps);
9006 SendToProgram("xboard\n", cps);
9012 TwoMachinesEventIfReady P((void))
9014 if (first.lastPing != first.lastPong) {
9015 DisplayMessage("", _("Waiting for first chess program"));
9016 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9019 if (second.lastPing != second.lastPong) {
9020 DisplayMessage("", _("Waiting for second chess program"));
9021 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9029 NextMatchGame P((void))
9031 int index; /* [HGM] autoinc: step load index during match */
9033 if (*appData.loadGameFile != NULLCHAR) {
9034 index = appData.loadGameIndex;
9035 if(index < 0) { // [HGM] autoinc
9036 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9037 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9039 LoadGameFromFile(appData.loadGameFile,
9041 appData.loadGameFile, FALSE);
9042 } else if (*appData.loadPositionFile != NULLCHAR) {
9043 index = appData.loadPositionIndex;
9044 if(index < 0) { // [HGM] autoinc
9045 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9046 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9048 LoadPositionFromFile(appData.loadPositionFile,
9050 appData.loadPositionFile);
9052 TwoMachinesEventIfReady();
9055 void UserAdjudicationEvent( int result )
9057 ChessMove gameResult = GameIsDrawn;
9060 gameResult = WhiteWins;
9062 else if( result < 0 ) {
9063 gameResult = BlackWins;
9066 if( gameMode == TwoMachinesPlay ) {
9067 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9072 // [HGM] save: calculate checksum of game to make games easily identifiable
9073 int StringCheckSum(char *s)
9076 if(s==NULL) return 0;
9077 while(*s) i = i*259 + *s++;
9084 for(i=backwardMostMove; i<forwardMostMove; i++) {
9085 sum += pvInfoList[i].depth;
9086 sum += StringCheckSum(parseList[i]);
9087 sum += StringCheckSum(commentList[i]);
9090 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9091 return sum + StringCheckSum(commentList[i]);
9092 } // end of save patch
9095 GameEnds(result, resultDetails, whosays)
9097 char *resultDetails;
9100 GameMode nextGameMode;
9102 char buf[MSG_SIZ], popupRequested = 0;
9104 if(endingGame) return; /* [HGM] crash: forbid recursion */
9106 if(twoBoards) { // [HGM] dual: switch back to one board
9107 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9108 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9110 if (appData.debugMode) {
9111 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9112 result, resultDetails ? resultDetails : "(null)", whosays);
9115 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9117 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9118 /* If we are playing on ICS, the server decides when the
9119 game is over, but the engine can offer to draw, claim
9123 if (appData.zippyPlay && first.initDone) {
9124 if (result == GameIsDrawn) {
9125 /* In case draw still needs to be claimed */
9126 SendToICS(ics_prefix);
9127 SendToICS("draw\n");
9128 } else if (StrCaseStr(resultDetails, "resign")) {
9129 SendToICS(ics_prefix);
9130 SendToICS("resign\n");
9134 endingGame = 0; /* [HGM] crash */
9138 /* If we're loading the game from a file, stop */
9139 if (whosays == GE_FILE) {
9140 (void) StopLoadGameTimer();
9144 /* Cancel draw offers */
9145 first.offeredDraw = second.offeredDraw = 0;
9147 /* If this is an ICS game, only ICS can really say it's done;
9148 if not, anyone can. */
9149 isIcsGame = (gameMode == IcsPlayingWhite ||
9150 gameMode == IcsPlayingBlack ||
9151 gameMode == IcsObserving ||
9152 gameMode == IcsExamining);
9154 if (!isIcsGame || whosays == GE_ICS) {
9155 /* OK -- not an ICS game, or ICS said it was done */
9157 if (!isIcsGame && !appData.noChessProgram)
9158 SetUserThinkingEnables();
9160 /* [HGM] if a machine claims the game end we verify this claim */
9161 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9162 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9164 ChessMove trueResult = (ChessMove) -1;
9166 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9167 first.twoMachinesColor[0] :
9168 second.twoMachinesColor[0] ;
9170 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9171 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9172 /* [HGM] verify: engine mate claims accepted if they were flagged */
9173 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9175 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9176 /* [HGM] verify: engine mate claims accepted if they were flagged */
9177 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9179 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9180 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9183 // now verify win claims, but not in drop games, as we don't understand those yet
9184 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9185 || gameInfo.variant == VariantGreat) &&
9186 (result == WhiteWins && claimer == 'w' ||
9187 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9188 if (appData.debugMode) {
9189 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9190 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9192 if(result != trueResult) {
9193 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9194 result = claimer == 'w' ? BlackWins : WhiteWins;
9195 resultDetails = buf;
9198 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9199 && (forwardMostMove <= backwardMostMove ||
9200 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9201 (claimer=='b')==(forwardMostMove&1))
9203 /* [HGM] verify: draws that were not flagged are false claims */
9204 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9205 result = claimer == 'w' ? BlackWins : WhiteWins;
9206 resultDetails = buf;
9208 /* (Claiming a loss is accepted no questions asked!) */
9210 /* [HGM] bare: don't allow bare King to win */
9211 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9212 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9213 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9214 && result != GameIsDrawn)
9215 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9216 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9217 int p = (signed char)boards[forwardMostMove][i][j] - color;
9218 if(p >= 0 && p <= (int)WhiteKing) k++;
9220 if (appData.debugMode) {
9221 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9222 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9225 result = GameIsDrawn;
9226 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9227 resultDetails = buf;
9233 if(serverMoves != NULL && !loadFlag) { char c = '=';
9234 if(result==WhiteWins) c = '+';
9235 if(result==BlackWins) c = '-';
9236 if(resultDetails != NULL)
9237 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9239 if (resultDetails != NULL) {
9240 gameInfo.result = result;
9241 gameInfo.resultDetails = StrSave(resultDetails);
9243 /* display last move only if game was not loaded from file */
9244 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9245 DisplayMove(currentMove - 1);
9247 if (forwardMostMove != 0) {
9248 if (gameMode != PlayFromGameFile && gameMode != EditGame
9249 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9251 if (*appData.saveGameFile != NULLCHAR) {
9252 SaveGameToFile(appData.saveGameFile, TRUE);
9253 } else if (appData.autoSaveGames) {
9256 if (*appData.savePositionFile != NULLCHAR) {
9257 SavePositionToFile(appData.savePositionFile);
9262 /* Tell program how game ended in case it is learning */
9263 /* [HGM] Moved this to after saving the PGN, just in case */
9264 /* engine died and we got here through time loss. In that */
9265 /* case we will get a fatal error writing the pipe, which */
9266 /* would otherwise lose us the PGN. */
9267 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9268 /* output during GameEnds should never be fatal anymore */
9269 if (gameMode == MachinePlaysWhite ||
9270 gameMode == MachinePlaysBlack ||
9271 gameMode == TwoMachinesPlay ||
9272 gameMode == IcsPlayingWhite ||
9273 gameMode == IcsPlayingBlack ||
9274 gameMode == BeginningOfGame) {
9276 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9278 if (first.pr != NoProc) {
9279 SendToProgram(buf, &first);
9281 if (second.pr != NoProc &&
9282 gameMode == TwoMachinesPlay) {
9283 SendToProgram(buf, &second);
9288 if (appData.icsActive) {
9289 if (appData.quietPlay &&
9290 (gameMode == IcsPlayingWhite ||
9291 gameMode == IcsPlayingBlack)) {
9292 SendToICS(ics_prefix);
9293 SendToICS("set shout 1\n");
9295 nextGameMode = IcsIdle;
9296 ics_user_moved = FALSE;
9297 /* clean up premove. It's ugly when the game has ended and the
9298 * premove highlights are still on the board.
9302 ClearPremoveHighlights();
9303 DrawPosition(FALSE, boards[currentMove]);
9305 if (whosays == GE_ICS) {
9308 if (gameMode == IcsPlayingWhite)
9310 else if(gameMode == IcsPlayingBlack)
9314 if (gameMode == IcsPlayingBlack)
9316 else if(gameMode == IcsPlayingWhite)
9323 PlayIcsUnfinishedSound();
9326 } else if (gameMode == EditGame ||
9327 gameMode == PlayFromGameFile ||
9328 gameMode == AnalyzeMode ||
9329 gameMode == AnalyzeFile) {
9330 nextGameMode = gameMode;
9332 nextGameMode = EndOfGame;
9337 nextGameMode = gameMode;
9340 if (appData.noChessProgram) {
9341 gameMode = nextGameMode;
9343 endingGame = 0; /* [HGM] crash */
9348 /* Put first chess program into idle state */
9349 if (first.pr != NoProc &&
9350 (gameMode == MachinePlaysWhite ||
9351 gameMode == MachinePlaysBlack ||
9352 gameMode == TwoMachinesPlay ||
9353 gameMode == IcsPlayingWhite ||
9354 gameMode == IcsPlayingBlack ||
9355 gameMode == BeginningOfGame)) {
9356 SendToProgram("force\n", &first);
9357 if (first.usePing) {
9359 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9360 SendToProgram(buf, &first);
9363 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9364 /* Kill off first chess program */
9365 if (first.isr != NULL)
9366 RemoveInputSource(first.isr);
9369 if (first.pr != NoProc) {
9371 DoSleep( appData.delayBeforeQuit );
9372 SendToProgram("quit\n", &first);
9373 DoSleep( appData.delayAfterQuit );
9374 DestroyChildProcess(first.pr, first.useSigterm);
9379 /* Put second chess program into idle state */
9380 if (second.pr != NoProc &&
9381 gameMode == TwoMachinesPlay) {
9382 SendToProgram("force\n", &second);
9383 if (second.usePing) {
9385 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9386 SendToProgram(buf, &second);
9389 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9390 /* Kill off second chess program */
9391 if (second.isr != NULL)
9392 RemoveInputSource(second.isr);
9395 if (second.pr != NoProc) {
9396 DoSleep( appData.delayBeforeQuit );
9397 SendToProgram("quit\n", &second);
9398 DoSleep( appData.delayAfterQuit );
9399 DestroyChildProcess(second.pr, second.useSigterm);
9404 if (matchMode && gameMode == TwoMachinesPlay) {
9407 if (first.twoMachinesColor[0] == 'w') {
9414 if (first.twoMachinesColor[0] == 'b') {
9423 if (matchGame < appData.matchGames) {
9425 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9426 tmp = first.twoMachinesColor;
9427 first.twoMachinesColor = second.twoMachinesColor;
9428 second.twoMachinesColor = tmp;
9430 gameMode = nextGameMode;
9432 if(appData.matchPause>10000 || appData.matchPause<10)
9433 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9434 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9435 endingGame = 0; /* [HGM] crash */
9438 gameMode = nextGameMode;
9439 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9440 first.tidy, second.tidy,
9441 first.matchWins, second.matchWins,
9442 appData.matchGames - (first.matchWins + second.matchWins));
9443 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9446 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9447 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9449 gameMode = nextGameMode;
9451 endingGame = 0; /* [HGM] crash */
9452 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9453 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9454 matchMode = FALSE; appData.matchGames = matchGame = 0;
9460 /* Assumes program was just initialized (initString sent).
9461 Leaves program in force mode. */
9463 FeedMovesToProgram(cps, upto)
9464 ChessProgramState *cps;
9469 if (appData.debugMode)
9470 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9471 startedFromSetupPosition ? "position and " : "",
9472 backwardMostMove, upto, cps->which);
9473 if(currentlyInitializedVariant != gameInfo.variant) {
9475 // [HGM] variantswitch: make engine aware of new variant
9476 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9477 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9478 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9479 SendToProgram(buf, cps);
9480 currentlyInitializedVariant = gameInfo.variant;
9482 SendToProgram("force\n", cps);
9483 if (startedFromSetupPosition) {
9484 SendBoard(cps, backwardMostMove);
9485 if (appData.debugMode) {
9486 fprintf(debugFP, "feedMoves\n");
9489 for (i = backwardMostMove; i < upto; i++) {
9490 SendMoveToProgram(i, cps);
9496 ResurrectChessProgram()
9498 /* The chess program may have exited.
9499 If so, restart it and feed it all the moves made so far. */
9501 if (appData.noChessProgram || first.pr != NoProc) return;
9503 StartChessProgram(&first);
9504 InitChessProgram(&first, FALSE);
9505 FeedMovesToProgram(&first, currentMove);
9507 if (!first.sendTime) {
9508 /* can't tell gnuchess what its clock should read,
9509 so we bow to its notion. */
9511 timeRemaining[0][currentMove] = whiteTimeRemaining;
9512 timeRemaining[1][currentMove] = blackTimeRemaining;
9515 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9516 appData.icsEngineAnalyze) && first.analysisSupport) {
9517 SendToProgram("analyze\n", &first);
9518 first.analyzing = TRUE;
9531 if (appData.debugMode) {
9532 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9533 redraw, init, gameMode);
9535 CleanupTail(); // [HGM] vari: delete any stored variations
9536 pausing = pauseExamInvalid = FALSE;
9537 startedFromSetupPosition = blackPlaysFirst = FALSE;
9539 whiteFlag = blackFlag = FALSE;
9540 userOfferedDraw = FALSE;
9541 hintRequested = bookRequested = FALSE;
9542 first.maybeThinking = FALSE;
9543 second.maybeThinking = FALSE;
9544 first.bookSuspend = FALSE; // [HGM] book
9545 second.bookSuspend = FALSE;
9546 thinkOutput[0] = NULLCHAR;
9547 lastHint[0] = NULLCHAR;
9548 ClearGameInfo(&gameInfo);
9549 gameInfo.variant = StringToVariant(appData.variant);
9550 ics_user_moved = ics_clock_paused = FALSE;
9551 ics_getting_history = H_FALSE;
9553 white_holding[0] = black_holding[0] = NULLCHAR;
9554 ClearProgramStats();
9555 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9559 flipView = appData.flipView;
9560 ClearPremoveHighlights();
9562 alarmSounded = FALSE;
9564 GameEnds(EndOfFile, NULL, GE_PLAYER);
9565 if(appData.serverMovesName != NULL) {
9566 /* [HGM] prepare to make moves file for broadcasting */
9567 clock_t t = clock();
9568 if(serverMoves != NULL) fclose(serverMoves);
9569 serverMoves = fopen(appData.serverMovesName, "r");
9570 if(serverMoves != NULL) {
9571 fclose(serverMoves);
9572 /* delay 15 sec before overwriting, so all clients can see end */
9573 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9575 serverMoves = fopen(appData.serverMovesName, "w");
9579 gameMode = BeginningOfGame;
9581 if(appData.icsActive) gameInfo.variant = VariantNormal;
9582 currentMove = forwardMostMove = backwardMostMove = 0;
9583 InitPosition(redraw);
9584 for (i = 0; i < MAX_MOVES; i++) {
9585 if (commentList[i] != NULL) {
9586 free(commentList[i]);
9587 commentList[i] = NULL;
9591 timeRemaining[0][0] = whiteTimeRemaining;
9592 timeRemaining[1][0] = blackTimeRemaining;
9593 if (first.pr == NULL) {
9594 StartChessProgram(&first);
9597 InitChessProgram(&first, startedFromSetupPosition);
9600 DisplayMessage("", "");
9601 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9602 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9609 if (!AutoPlayOneMove())
9611 if (matchMode || appData.timeDelay == 0)
9613 if (appData.timeDelay < 0)
9615 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9624 int fromX, fromY, toX, toY;
9626 if (appData.debugMode) {
9627 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9630 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9633 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9634 pvInfoList[currentMove].depth = programStats.depth;
9635 pvInfoList[currentMove].score = programStats.score;
9636 pvInfoList[currentMove].time = 0;
9637 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9640 if (currentMove >= forwardMostMove) {
9641 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9642 gameMode = EditGame;
9645 /* [AS] Clear current move marker at the end of a game */
9646 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9651 toX = moveList[currentMove][2] - AAA;
9652 toY = moveList[currentMove][3] - ONE;
9654 if (moveList[currentMove][1] == '@') {
9655 if (appData.highlightLastMove) {
9656 SetHighlights(-1, -1, toX, toY);
9659 fromX = moveList[currentMove][0] - AAA;
9660 fromY = moveList[currentMove][1] - ONE;
9662 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9664 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9666 if (appData.highlightLastMove) {
9667 SetHighlights(fromX, fromY, toX, toY);
9670 DisplayMove(currentMove);
9671 SendMoveToProgram(currentMove++, &first);
9672 DisplayBothClocks();
9673 DrawPosition(FALSE, boards[currentMove]);
9674 // [HGM] PV info: always display, routine tests if empty
9675 DisplayComment(currentMove - 1, commentList[currentMove]);
9681 LoadGameOneMove(readAhead)
9682 ChessMove readAhead;
9684 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9685 char promoChar = NULLCHAR;
9690 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9691 gameMode != AnalyzeMode && gameMode != Training) {
9696 yyboardindex = forwardMostMove;
9697 if (readAhead != EndOfFile) {
9698 moveType = readAhead;
9700 if (gameFileFP == NULL)
9702 moveType = (ChessMove) Myylex();
9708 if (appData.debugMode)
9709 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9712 /* append the comment but don't display it */
9713 AppendComment(currentMove, p, FALSE);
9716 case WhiteCapturesEnPassant:
9717 case BlackCapturesEnPassant:
9718 case WhitePromotion:
9719 case BlackPromotion:
9720 case WhiteNonPromotion:
9721 case BlackNonPromotion:
9723 case WhiteKingSideCastle:
9724 case WhiteQueenSideCastle:
9725 case BlackKingSideCastle:
9726 case BlackQueenSideCastle:
9727 case WhiteKingSideCastleWild:
9728 case WhiteQueenSideCastleWild:
9729 case BlackKingSideCastleWild:
9730 case BlackQueenSideCastleWild:
9732 case WhiteHSideCastleFR:
9733 case WhiteASideCastleFR:
9734 case BlackHSideCastleFR:
9735 case BlackASideCastleFR:
9737 if (appData.debugMode)
9738 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9739 fromX = currentMoveString[0] - AAA;
9740 fromY = currentMoveString[1] - ONE;
9741 toX = currentMoveString[2] - AAA;
9742 toY = currentMoveString[3] - ONE;
9743 promoChar = currentMoveString[4];
9748 if (appData.debugMode)
9749 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9750 fromX = moveType == WhiteDrop ?
9751 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9752 (int) CharToPiece(ToLower(currentMoveString[0]));
9754 toX = currentMoveString[2] - AAA;
9755 toY = currentMoveString[3] - ONE;
9761 case GameUnfinished:
9762 if (appData.debugMode)
9763 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9764 p = strchr(yy_text, '{');
9765 if (p == NULL) p = strchr(yy_text, '(');
9768 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9770 q = strchr(p, *p == '{' ? '}' : ')');
9771 if (q != NULL) *q = NULLCHAR;
9774 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9775 GameEnds(moveType, p, GE_FILE);
9777 if (cmailMsgLoaded) {
9779 flipView = WhiteOnMove(currentMove);
9780 if (moveType == GameUnfinished) flipView = !flipView;
9781 if (appData.debugMode)
9782 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Parser hit end of file\n");
9789 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9795 if (WhiteOnMove(currentMove)) {
9796 GameEnds(BlackWins, "Black mates", GE_FILE);
9798 GameEnds(WhiteWins, "White mates", GE_FILE);
9802 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9809 if (lastLoadGameStart == GNUChessGame) {
9810 /* GNUChessGames have numbers, but they aren't move numbers */
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9813 yy_text, (int) moveType);
9814 return LoadGameOneMove(EndOfFile); /* tail recursion */
9816 /* else fall thru */
9821 /* Reached start of next game in file */
9822 if (appData.debugMode)
9823 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9824 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9830 if (WhiteOnMove(currentMove)) {
9831 GameEnds(BlackWins, "Black mates", GE_FILE);
9833 GameEnds(WhiteWins, "White mates", GE_FILE);
9837 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9843 case PositionDiagram: /* should not happen; ignore */
9844 case ElapsedTime: /* ignore */
9845 case NAG: /* ignore */
9846 if (appData.debugMode)
9847 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9848 yy_text, (int) moveType);
9849 return LoadGameOneMove(EndOfFile); /* tail recursion */
9852 if (appData.testLegality) {
9853 if (appData.debugMode)
9854 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9855 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9856 (forwardMostMove / 2) + 1,
9857 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9858 DisplayError(move, 0);
9861 if (appData.debugMode)
9862 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9863 yy_text, currentMoveString);
9864 fromX = currentMoveString[0] - AAA;
9865 fromY = currentMoveString[1] - ONE;
9866 toX = currentMoveString[2] - AAA;
9867 toY = currentMoveString[3] - ONE;
9868 promoChar = currentMoveString[4];
9873 if (appData.debugMode)
9874 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9875 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9876 (forwardMostMove / 2) + 1,
9877 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9878 DisplayError(move, 0);
9883 case ImpossibleMove:
9884 if (appData.debugMode)
9885 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9886 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9887 (forwardMostMove / 2) + 1,
9888 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9889 DisplayError(move, 0);
9895 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9896 DrawPosition(FALSE, boards[currentMove]);
9897 DisplayBothClocks();
9898 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9899 DisplayComment(currentMove - 1, commentList[currentMove]);
9901 (void) StopLoadGameTimer();
9903 cmailOldMove = forwardMostMove;
9906 /* currentMoveString is set as a side-effect of yylex */
9907 strcat(currentMoveString, "\n");
9908 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9910 thinkOutput[0] = NULLCHAR;
9911 MakeMove(fromX, fromY, toX, toY, promoChar);
9912 currentMove = forwardMostMove;
9917 /* Load the nth game from the given file */
9919 LoadGameFromFile(filename, n, title, useList)
9923 /*Boolean*/ int useList;
9928 if (strcmp(filename, "-") == 0) {
9932 f = fopen(filename, "rb");
9934 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9935 DisplayError(buf, errno);
9939 if (fseek(f, 0, 0) == -1) {
9940 /* f is not seekable; probably a pipe */
9943 if (useList && n == 0) {
9944 int error = GameListBuild(f);
9946 DisplayError(_("Cannot build game list"), error);
9947 } else if (!ListEmpty(&gameList) &&
9948 ((ListGame *) gameList.tailPred)->number > 1) {
9949 GameListPopUp(f, title);
9956 return LoadGame(f, n, title, FALSE);
9961 MakeRegisteredMove()
9963 int fromX, fromY, toX, toY;
9965 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9966 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9969 if (appData.debugMode)
9970 fprintf(debugFP, "Restoring %s for game %d\n",
9971 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9973 thinkOutput[0] = NULLCHAR;
9974 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9975 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9976 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9977 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9978 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9979 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9980 MakeMove(fromX, fromY, toX, toY, promoChar);
9981 ShowMove(fromX, fromY, toX, toY);
9983 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9990 if (WhiteOnMove(currentMove)) {
9991 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9993 GameEnds(WhiteWins, "White mates", GE_PLAYER);
9998 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10005 if (WhiteOnMove(currentMove)) {
10006 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10008 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10013 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10024 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10026 CmailLoadGame(f, gameNumber, title, useList)
10034 if (gameNumber > nCmailGames) {
10035 DisplayError(_("No more games in this message"), 0);
10038 if (f == lastLoadGameFP) {
10039 int offset = gameNumber - lastLoadGameNumber;
10041 cmailMsg[0] = NULLCHAR;
10042 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10043 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10044 nCmailMovesRegistered--;
10046 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10047 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10048 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10051 if (! RegisterMove()) return FALSE;
10055 retVal = LoadGame(f, gameNumber, title, useList);
10057 /* Make move registered during previous look at this game, if any */
10058 MakeRegisteredMove();
10060 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10061 commentList[currentMove]
10062 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10063 DisplayComment(currentMove - 1, commentList[currentMove]);
10069 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10074 int gameNumber = lastLoadGameNumber + offset;
10075 if (lastLoadGameFP == NULL) {
10076 DisplayError(_("No game has been loaded yet"), 0);
10079 if (gameNumber <= 0) {
10080 DisplayError(_("Can't back up any further"), 0);
10083 if (cmailMsgLoaded) {
10084 return CmailLoadGame(lastLoadGameFP, gameNumber,
10085 lastLoadGameTitle, lastLoadGameUseList);
10087 return LoadGame(lastLoadGameFP, gameNumber,
10088 lastLoadGameTitle, lastLoadGameUseList);
10094 /* Load the nth game from open file f */
10096 LoadGame(f, gameNumber, title, useList)
10104 int gn = gameNumber;
10105 ListGame *lg = NULL;
10106 int numPGNTags = 0;
10108 GameMode oldGameMode;
10109 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10111 if (appData.debugMode)
10112 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10114 if (gameMode == Training )
10115 SetTrainingModeOff();
10117 oldGameMode = gameMode;
10118 if (gameMode != BeginningOfGame) {
10119 Reset(FALSE, TRUE);
10123 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10124 fclose(lastLoadGameFP);
10128 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10131 fseek(f, lg->offset, 0);
10132 GameListHighlight(gameNumber);
10136 DisplayError(_("Game number out of range"), 0);
10141 if (fseek(f, 0, 0) == -1) {
10142 if (f == lastLoadGameFP ?
10143 gameNumber == lastLoadGameNumber + 1 :
10147 DisplayError(_("Can't seek on game file"), 0);
10152 lastLoadGameFP = f;
10153 lastLoadGameNumber = gameNumber;
10154 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10155 lastLoadGameUseList = useList;
10159 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10160 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10161 lg->gameInfo.black);
10163 } else if (*title != NULLCHAR) {
10164 if (gameNumber > 1) {
10165 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10168 DisplayTitle(title);
10172 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10173 gameMode = PlayFromGameFile;
10177 currentMove = forwardMostMove = backwardMostMove = 0;
10178 CopyBoard(boards[0], initialPosition);
10182 * Skip the first gn-1 games in the file.
10183 * Also skip over anything that precedes an identifiable
10184 * start of game marker, to avoid being confused by
10185 * garbage at the start of the file. Currently
10186 * recognized start of game markers are the move number "1",
10187 * the pattern "gnuchess .* game", the pattern
10188 * "^[#;%] [^ ]* game file", and a PGN tag block.
10189 * A game that starts with one of the latter two patterns
10190 * will also have a move number 1, possibly
10191 * following a position diagram.
10192 * 5-4-02: Let's try being more lenient and allowing a game to
10193 * start with an unnumbered move. Does that break anything?
10195 cm = lastLoadGameStart = EndOfFile;
10197 yyboardindex = forwardMostMove;
10198 cm = (ChessMove) Myylex();
10201 if (cmailMsgLoaded) {
10202 nCmailGames = CMAIL_MAX_GAMES - gn;
10205 DisplayError(_("Game not found in file"), 0);
10212 lastLoadGameStart = cm;
10215 case MoveNumberOne:
10216 switch (lastLoadGameStart) {
10221 case MoveNumberOne:
10223 gn--; /* count this game */
10224 lastLoadGameStart = cm;
10233 switch (lastLoadGameStart) {
10236 case MoveNumberOne:
10238 gn--; /* count this game */
10239 lastLoadGameStart = cm;
10242 lastLoadGameStart = cm; /* game counted already */
10250 yyboardindex = forwardMostMove;
10251 cm = (ChessMove) Myylex();
10252 } while (cm == PGNTag || cm == Comment);
10259 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10260 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10261 != CMAIL_OLD_RESULT) {
10263 cmailResult[ CMAIL_MAX_GAMES
10264 - gn - 1] = CMAIL_OLD_RESULT;
10270 /* Only a NormalMove can be at the start of a game
10271 * without a position diagram. */
10272 if (lastLoadGameStart == EndOfFile ) {
10274 lastLoadGameStart = MoveNumberOne;
10283 if (appData.debugMode)
10284 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10286 if (cm == XBoardGame) {
10287 /* Skip any header junk before position diagram and/or move 1 */
10289 yyboardindex = forwardMostMove;
10290 cm = (ChessMove) Myylex();
10292 if (cm == EndOfFile ||
10293 cm == GNUChessGame || cm == XBoardGame) {
10294 /* Empty game; pretend end-of-file and handle later */
10299 if (cm == MoveNumberOne || cm == PositionDiagram ||
10300 cm == PGNTag || cm == Comment)
10303 } else if (cm == GNUChessGame) {
10304 if (gameInfo.event != NULL) {
10305 free(gameInfo.event);
10307 gameInfo.event = StrSave(yy_text);
10310 startedFromSetupPosition = FALSE;
10311 while (cm == PGNTag) {
10312 if (appData.debugMode)
10313 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10314 err = ParsePGNTag(yy_text, &gameInfo);
10315 if (!err) numPGNTags++;
10317 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10318 if(gameInfo.variant != oldVariant) {
10319 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10320 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10321 InitPosition(TRUE);
10322 oldVariant = gameInfo.variant;
10323 if (appData.debugMode)
10324 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10328 if (gameInfo.fen != NULL) {
10329 Board initial_position;
10330 startedFromSetupPosition = TRUE;
10331 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10333 DisplayError(_("Bad FEN position in file"), 0);
10336 CopyBoard(boards[0], initial_position);
10337 if (blackPlaysFirst) {
10338 currentMove = forwardMostMove = backwardMostMove = 1;
10339 CopyBoard(boards[1], initial_position);
10340 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10341 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10342 timeRemaining[0][1] = whiteTimeRemaining;
10343 timeRemaining[1][1] = blackTimeRemaining;
10344 if (commentList[0] != NULL) {
10345 commentList[1] = commentList[0];
10346 commentList[0] = NULL;
10349 currentMove = forwardMostMove = backwardMostMove = 0;
10351 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10353 initialRulePlies = FENrulePlies;
10354 for( i=0; i< nrCastlingRights; i++ )
10355 initialRights[i] = initial_position[CASTLING][i];
10357 yyboardindex = forwardMostMove;
10358 free(gameInfo.fen);
10359 gameInfo.fen = NULL;
10362 yyboardindex = forwardMostMove;
10363 cm = (ChessMove) Myylex();
10365 /* Handle comments interspersed among the tags */
10366 while (cm == Comment) {
10368 if (appData.debugMode)
10369 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10371 AppendComment(currentMove, p, FALSE);
10372 yyboardindex = forwardMostMove;
10373 cm = (ChessMove) Myylex();
10377 /* don't rely on existence of Event tag since if game was
10378 * pasted from clipboard the Event tag may not exist
10380 if (numPGNTags > 0){
10382 if (gameInfo.variant == VariantNormal) {
10383 VariantClass v = StringToVariant(gameInfo.event);
10384 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10385 if(v < VariantShogi) gameInfo.variant = v;
10388 if( appData.autoDisplayTags ) {
10389 tags = PGNTags(&gameInfo);
10390 TagsPopUp(tags, CmailMsg());
10395 /* Make something up, but don't display it now */
10400 if (cm == PositionDiagram) {
10403 Board initial_position;
10405 if (appData.debugMode)
10406 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10408 if (!startedFromSetupPosition) {
10410 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10411 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10421 initial_position[i][j++] = CharToPiece(*p);
10424 while (*p == ' ' || *p == '\t' ||
10425 *p == '\n' || *p == '\r') p++;
10427 if (strncmp(p, "black", strlen("black"))==0)
10428 blackPlaysFirst = TRUE;
10430 blackPlaysFirst = FALSE;
10431 startedFromSetupPosition = TRUE;
10433 CopyBoard(boards[0], initial_position);
10434 if (blackPlaysFirst) {
10435 currentMove = forwardMostMove = backwardMostMove = 1;
10436 CopyBoard(boards[1], initial_position);
10437 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10438 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10439 timeRemaining[0][1] = whiteTimeRemaining;
10440 timeRemaining[1][1] = blackTimeRemaining;
10441 if (commentList[0] != NULL) {
10442 commentList[1] = commentList[0];
10443 commentList[0] = NULL;
10446 currentMove = forwardMostMove = backwardMostMove = 0;
10449 yyboardindex = forwardMostMove;
10450 cm = (ChessMove) Myylex();
10453 if (first.pr == NoProc) {
10454 StartChessProgram(&first);
10456 InitChessProgram(&first, FALSE);
10457 SendToProgram("force\n", &first);
10458 if (startedFromSetupPosition) {
10459 SendBoard(&first, forwardMostMove);
10460 if (appData.debugMode) {
10461 fprintf(debugFP, "Load Game\n");
10463 DisplayBothClocks();
10466 /* [HGM] server: flag to write setup moves in broadcast file as one */
10467 loadFlag = appData.suppressLoadMoves;
10469 while (cm == Comment) {
10471 if (appData.debugMode)
10472 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10474 AppendComment(currentMove, p, FALSE);
10475 yyboardindex = forwardMostMove;
10476 cm = (ChessMove) Myylex();
10479 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10480 cm == WhiteWins || cm == BlackWins ||
10481 cm == GameIsDrawn || cm == GameUnfinished) {
10482 DisplayMessage("", _("No moves in game"));
10483 if (cmailMsgLoaded) {
10484 if (appData.debugMode)
10485 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10489 DrawPosition(FALSE, boards[currentMove]);
10490 DisplayBothClocks();
10491 gameMode = EditGame;
10498 // [HGM] PV info: routine tests if comment empty
10499 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10500 DisplayComment(currentMove - 1, commentList[currentMove]);
10502 if (!matchMode && appData.timeDelay != 0)
10503 DrawPosition(FALSE, boards[currentMove]);
10505 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10506 programStats.ok_to_send = 1;
10509 /* if the first token after the PGN tags is a move
10510 * and not move number 1, retrieve it from the parser
10512 if (cm != MoveNumberOne)
10513 LoadGameOneMove(cm);
10515 /* load the remaining moves from the file */
10516 while (LoadGameOneMove(EndOfFile)) {
10517 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10518 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10521 /* rewind to the start of the game */
10522 currentMove = backwardMostMove;
10524 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10526 if (oldGameMode == AnalyzeFile ||
10527 oldGameMode == AnalyzeMode) {
10528 AnalyzeFileEvent();
10531 if (matchMode || appData.timeDelay == 0) {
10533 gameMode = EditGame;
10535 } else if (appData.timeDelay > 0) {
10536 AutoPlayGameLoop();
10539 if (appData.debugMode)
10540 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10542 loadFlag = 0; /* [HGM] true game starts */
10546 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10548 ReloadPosition(offset)
10551 int positionNumber = lastLoadPositionNumber + offset;
10552 if (lastLoadPositionFP == NULL) {
10553 DisplayError(_("No position has been loaded yet"), 0);
10556 if (positionNumber <= 0) {
10557 DisplayError(_("Can't back up any further"), 0);
10560 return LoadPosition(lastLoadPositionFP, positionNumber,
10561 lastLoadPositionTitle);
10564 /* Load the nth position from the given file */
10566 LoadPositionFromFile(filename, n, title)
10574 if (strcmp(filename, "-") == 0) {
10575 return LoadPosition(stdin, n, "stdin");
10577 f = fopen(filename, "rb");
10579 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10580 DisplayError(buf, errno);
10583 return LoadPosition(f, n, title);
10588 /* Load the nth position from the given open file, and close it */
10590 LoadPosition(f, positionNumber, title)
10592 int positionNumber;
10595 char *p, line[MSG_SIZ];
10596 Board initial_position;
10597 int i, j, fenMode, pn;
10599 if (gameMode == Training )
10600 SetTrainingModeOff();
10602 if (gameMode != BeginningOfGame) {
10603 Reset(FALSE, TRUE);
10605 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10606 fclose(lastLoadPositionFP);
10608 if (positionNumber == 0) positionNumber = 1;
10609 lastLoadPositionFP = f;
10610 lastLoadPositionNumber = positionNumber;
10611 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10612 if (first.pr == NoProc) {
10613 StartChessProgram(&first);
10614 InitChessProgram(&first, FALSE);
10616 pn = positionNumber;
10617 if (positionNumber < 0) {
10618 /* Negative position number means to seek to that byte offset */
10619 if (fseek(f, -positionNumber, 0) == -1) {
10620 DisplayError(_("Can't seek on position file"), 0);
10625 if (fseek(f, 0, 0) == -1) {
10626 if (f == lastLoadPositionFP ?
10627 positionNumber == lastLoadPositionNumber + 1 :
10628 positionNumber == 1) {
10631 DisplayError(_("Can't seek on position file"), 0);
10636 /* See if this file is FEN or old-style xboard */
10637 if (fgets(line, MSG_SIZ, f) == NULL) {
10638 DisplayError(_("Position not found in file"), 0);
10641 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10642 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10645 if (fenMode || line[0] == '#') pn--;
10647 /* skip positions before number pn */
10648 if (fgets(line, MSG_SIZ, f) == NULL) {
10650 DisplayError(_("Position not found in file"), 0);
10653 if (fenMode || line[0] == '#') pn--;
10658 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10659 DisplayError(_("Bad FEN position in file"), 0);
10663 (void) fgets(line, MSG_SIZ, f);
10664 (void) fgets(line, MSG_SIZ, f);
10666 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10667 (void) fgets(line, MSG_SIZ, f);
10668 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10671 initial_position[i][j++] = CharToPiece(*p);
10675 blackPlaysFirst = FALSE;
10677 (void) fgets(line, MSG_SIZ, f);
10678 if (strncmp(line, "black", strlen("black"))==0)
10679 blackPlaysFirst = TRUE;
10682 startedFromSetupPosition = TRUE;
10684 SendToProgram("force\n", &first);
10685 CopyBoard(boards[0], initial_position);
10686 if (blackPlaysFirst) {
10687 currentMove = forwardMostMove = backwardMostMove = 1;
10688 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10689 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10690 CopyBoard(boards[1], initial_position);
10691 DisplayMessage("", _("Black to play"));
10693 currentMove = forwardMostMove = backwardMostMove = 0;
10694 DisplayMessage("", _("White to play"));
10696 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10697 SendBoard(&first, forwardMostMove);
10698 if (appData.debugMode) {
10700 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10701 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10702 fprintf(debugFP, "Load Position\n");
10705 if (positionNumber > 1) {
10706 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10707 DisplayTitle(line);
10709 DisplayTitle(title);
10711 gameMode = EditGame;
10714 timeRemaining[0][1] = whiteTimeRemaining;
10715 timeRemaining[1][1] = blackTimeRemaining;
10716 DrawPosition(FALSE, boards[currentMove]);
10723 CopyPlayerNameIntoFileName(dest, src)
10726 while (*src != NULLCHAR && *src != ',') {
10731 *(*dest)++ = *src++;
10736 char *DefaultFileName(ext)
10739 static char def[MSG_SIZ];
10742 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10744 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10746 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10748 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10755 /* Save the current game to the given file */
10757 SaveGameToFile(filename, append)
10764 if (strcmp(filename, "-") == 0) {
10765 return SaveGame(stdout, 0, NULL);
10767 f = fopen(filename, append ? "a" : "w");
10769 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10770 DisplayError(buf, errno);
10773 return SaveGame(f, 0, NULL);
10782 static char buf[MSG_SIZ];
10785 p = strchr(str, ' ');
10786 if (p == NULL) return str;
10787 strncpy(buf, str, p - str);
10788 buf[p - str] = NULLCHAR;
10792 #define PGN_MAX_LINE 75
10794 #define PGN_SIDE_WHITE 0
10795 #define PGN_SIDE_BLACK 1
10798 static int FindFirstMoveOutOfBook( int side )
10802 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10803 int index = backwardMostMove;
10804 int has_book_hit = 0;
10806 if( (index % 2) != side ) {
10810 while( index < forwardMostMove ) {
10811 /* Check to see if engine is in book */
10812 int depth = pvInfoList[index].depth;
10813 int score = pvInfoList[index].score;
10819 else if( score == 0 && depth == 63 ) {
10820 in_book = 1; /* Zappa */
10822 else if( score == 2 && depth == 99 ) {
10823 in_book = 1; /* Abrok */
10826 has_book_hit += in_book;
10842 void GetOutOfBookInfo( char * buf )
10846 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10848 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10849 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10853 if( oob[0] >= 0 || oob[1] >= 0 ) {
10854 for( i=0; i<2; i++ ) {
10858 if( i > 0 && oob[0] >= 0 ) {
10859 strcat( buf, " " );
10862 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10863 sprintf( buf+strlen(buf), "%s%.2f",
10864 pvInfoList[idx].score >= 0 ? "+" : "",
10865 pvInfoList[idx].score / 100.0 );
10871 /* Save game in PGN style and close the file */
10876 int i, offset, linelen, newblock;
10880 int movelen, numlen, blank;
10881 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10883 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10885 tm = time((time_t *) NULL);
10887 PrintPGNTags(f, &gameInfo);
10889 if (backwardMostMove > 0 || startedFromSetupPosition) {
10890 char *fen = PositionToFEN(backwardMostMove, NULL);
10891 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10892 fprintf(f, "\n{--------------\n");
10893 PrintPosition(f, backwardMostMove);
10894 fprintf(f, "--------------}\n");
10898 /* [AS] Out of book annotation */
10899 if( appData.saveOutOfBookInfo ) {
10902 GetOutOfBookInfo( buf );
10904 if( buf[0] != '\0' ) {
10905 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10912 i = backwardMostMove;
10916 while (i < forwardMostMove) {
10917 /* Print comments preceding this move */
10918 if (commentList[i] != NULL) {
10919 if (linelen > 0) fprintf(f, "\n");
10920 fprintf(f, "%s", commentList[i]);
10925 /* Format move number */
10927 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10930 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10932 numtext[0] = NULLCHAR;
10934 numlen = strlen(numtext);
10937 /* Print move number */
10938 blank = linelen > 0 && numlen > 0;
10939 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10948 fprintf(f, "%s", numtext);
10952 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10953 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10956 blank = linelen > 0 && movelen > 0;
10957 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10966 fprintf(f, "%s", move_buffer);
10967 linelen += movelen;
10969 /* [AS] Add PV info if present */
10970 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10971 /* [HGM] add time */
10972 char buf[MSG_SIZ]; int seconds;
10974 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10980 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10983 seconds = (seconds + 4)/10; // round to full seconds
10985 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10987 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10990 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10991 pvInfoList[i].score >= 0 ? "+" : "",
10992 pvInfoList[i].score / 100.0,
10993 pvInfoList[i].depth,
10996 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
10998 /* Print score/depth */
10999 blank = linelen > 0 && movelen > 0;
11000 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11009 fprintf(f, "%s", move_buffer);
11010 linelen += movelen;
11016 /* Start a new line */
11017 if (linelen > 0) fprintf(f, "\n");
11019 /* Print comments after last move */
11020 if (commentList[i] != NULL) {
11021 fprintf(f, "%s\n", commentList[i]);
11025 if (gameInfo.resultDetails != NULL &&
11026 gameInfo.resultDetails[0] != NULLCHAR) {
11027 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11028 PGNResult(gameInfo.result));
11030 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11034 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11038 /* Save game in old style and close the file */
11040 SaveGameOldStyle(f)
11046 tm = time((time_t *) NULL);
11048 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11051 if (backwardMostMove > 0 || startedFromSetupPosition) {
11052 fprintf(f, "\n[--------------\n");
11053 PrintPosition(f, backwardMostMove);
11054 fprintf(f, "--------------]\n");
11059 i = backwardMostMove;
11060 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11062 while (i < forwardMostMove) {
11063 if (commentList[i] != NULL) {
11064 fprintf(f, "[%s]\n", commentList[i]);
11067 if ((i % 2) == 1) {
11068 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11071 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11073 if (commentList[i] != NULL) {
11077 if (i >= forwardMostMove) {
11081 fprintf(f, "%s\n", parseList[i]);
11086 if (commentList[i] != NULL) {
11087 fprintf(f, "[%s]\n", commentList[i]);
11090 /* This isn't really the old style, but it's close enough */
11091 if (gameInfo.resultDetails != NULL &&
11092 gameInfo.resultDetails[0] != NULLCHAR) {
11093 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11094 gameInfo.resultDetails);
11096 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11103 /* Save the current game to open file f and close the file */
11105 SaveGame(f, dummy, dummy2)
11110 if (gameMode == EditPosition) EditPositionDone(TRUE);
11111 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11112 if (appData.oldSaveStyle)
11113 return SaveGameOldStyle(f);
11115 return SaveGamePGN(f);
11118 /* Save the current position to the given file */
11120 SavePositionToFile(filename)
11126 if (strcmp(filename, "-") == 0) {
11127 return SavePosition(stdout, 0, NULL);
11129 f = fopen(filename, "a");
11131 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11132 DisplayError(buf, errno);
11135 SavePosition(f, 0, NULL);
11141 /* Save the current position to the given open file and close the file */
11143 SavePosition(f, dummy, dummy2)
11151 if (gameMode == EditPosition) EditPositionDone(TRUE);
11152 if (appData.oldSaveStyle) {
11153 tm = time((time_t *) NULL);
11155 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11157 fprintf(f, "[--------------\n");
11158 PrintPosition(f, currentMove);
11159 fprintf(f, "--------------]\n");
11161 fen = PositionToFEN(currentMove, NULL);
11162 fprintf(f, "%s\n", fen);
11170 ReloadCmailMsgEvent(unregister)
11174 static char *inFilename = NULL;
11175 static char *outFilename;
11177 struct stat inbuf, outbuf;
11180 /* Any registered moves are unregistered if unregister is set, */
11181 /* i.e. invoked by the signal handler */
11183 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11184 cmailMoveRegistered[i] = FALSE;
11185 if (cmailCommentList[i] != NULL) {
11186 free(cmailCommentList[i]);
11187 cmailCommentList[i] = NULL;
11190 nCmailMovesRegistered = 0;
11193 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11194 cmailResult[i] = CMAIL_NOT_RESULT;
11198 if (inFilename == NULL) {
11199 /* Because the filenames are static they only get malloced once */
11200 /* and they never get freed */
11201 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11202 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11204 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11205 sprintf(outFilename, "%s.out", appData.cmailGameName);
11208 status = stat(outFilename, &outbuf);
11210 cmailMailedMove = FALSE;
11212 status = stat(inFilename, &inbuf);
11213 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11216 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11217 counts the games, notes how each one terminated, etc.
11219 It would be nice to remove this kludge and instead gather all
11220 the information while building the game list. (And to keep it
11221 in the game list nodes instead of having a bunch of fixed-size
11222 parallel arrays.) Note this will require getting each game's
11223 termination from the PGN tags, as the game list builder does
11224 not process the game moves. --mann
11226 cmailMsgLoaded = TRUE;
11227 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11229 /* Load first game in the file or popup game menu */
11230 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11232 #endif /* !WIN32 */
11240 char string[MSG_SIZ];
11242 if ( cmailMailedMove
11243 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11244 return TRUE; /* Allow free viewing */
11247 /* Unregister move to ensure that we don't leave RegisterMove */
11248 /* with the move registered when the conditions for registering no */
11250 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11251 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11252 nCmailMovesRegistered --;
11254 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11256 free(cmailCommentList[lastLoadGameNumber - 1]);
11257 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11261 if (cmailOldMove == -1) {
11262 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11266 if (currentMove > cmailOldMove + 1) {
11267 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11271 if (currentMove < cmailOldMove) {
11272 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11276 if (forwardMostMove > currentMove) {
11277 /* Silently truncate extra moves */
11281 if ( (currentMove == cmailOldMove + 1)
11282 || ( (currentMove == cmailOldMove)
11283 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11284 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11285 if (gameInfo.result != GameUnfinished) {
11286 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11289 if (commentList[currentMove] != NULL) {
11290 cmailCommentList[lastLoadGameNumber - 1]
11291 = StrSave(commentList[currentMove]);
11293 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11295 if (appData.debugMode)
11296 fprintf(debugFP, "Saving %s for game %d\n",
11297 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11299 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11301 f = fopen(string, "w");
11302 if (appData.oldSaveStyle) {
11303 SaveGameOldStyle(f); /* also closes the file */
11305 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11306 f = fopen(string, "w");
11307 SavePosition(f, 0, NULL); /* also closes the file */
11309 fprintf(f, "{--------------\n");
11310 PrintPosition(f, currentMove);
11311 fprintf(f, "--------------}\n\n");
11313 SaveGame(f, 0, NULL); /* also closes the file*/
11316 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11317 nCmailMovesRegistered ++;
11318 } else if (nCmailGames == 1) {
11319 DisplayError(_("You have not made a move yet"), 0);
11330 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11331 FILE *commandOutput;
11332 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11333 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11339 if (! cmailMsgLoaded) {
11340 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11344 if (nCmailGames == nCmailResults) {
11345 DisplayError(_("No unfinished games"), 0);
11349 #if CMAIL_PROHIBIT_REMAIL
11350 if (cmailMailedMove) {
11351 snprintf(msg, MSG_SIZ, _("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);
11352 DisplayError(msg, 0);
11357 if (! (cmailMailedMove || RegisterMove())) return;
11359 if ( cmailMailedMove
11360 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11361 snprintf(string, MSG_SIZ, partCommandString,
11362 appData.debugMode ? " -v" : "", appData.cmailGameName);
11363 commandOutput = popen(string, "r");
11365 if (commandOutput == NULL) {
11366 DisplayError(_("Failed to invoke cmail"), 0);
11368 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11369 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11371 if (nBuffers > 1) {
11372 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11373 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11374 nBytes = MSG_SIZ - 1;
11376 (void) memcpy(msg, buffer, nBytes);
11378 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11380 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11381 cmailMailedMove = TRUE; /* Prevent >1 moves */
11384 for (i = 0; i < nCmailGames; i ++) {
11385 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11390 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11392 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11394 appData.cmailGameName,
11396 LoadGameFromFile(buffer, 1, buffer, FALSE);
11397 cmailMsgLoaded = FALSE;
11401 DisplayInformation(msg);
11402 pclose(commandOutput);
11405 if ((*cmailMsg) != '\0') {
11406 DisplayInformation(cmailMsg);
11411 #endif /* !WIN32 */
11420 int prependComma = 0;
11422 char string[MSG_SIZ]; /* Space for game-list */
11425 if (!cmailMsgLoaded) return "";
11427 if (cmailMailedMove) {
11428 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11430 /* Create a list of games left */
11431 snprintf(string, MSG_SIZ, "[");
11432 for (i = 0; i < nCmailGames; i ++) {
11433 if (! ( cmailMoveRegistered[i]
11434 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11435 if (prependComma) {
11436 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11438 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11442 strcat(string, number);
11445 strcat(string, "]");
11447 if (nCmailMovesRegistered + nCmailResults == 0) {
11448 switch (nCmailGames) {
11450 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11454 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11458 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11463 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11465 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11470 if (nCmailResults == nCmailGames) {
11471 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11473 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11478 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11490 if (gameMode == Training)
11491 SetTrainingModeOff();
11494 cmailMsgLoaded = FALSE;
11495 if (appData.icsActive) {
11496 SendToICS(ics_prefix);
11497 SendToICS("refresh\n");
11507 /* Give up on clean exit */
11511 /* Keep trying for clean exit */
11515 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11517 if (telnetISR != NULL) {
11518 RemoveInputSource(telnetISR);
11520 if (icsPR != NoProc) {
11521 DestroyChildProcess(icsPR, TRUE);
11524 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11525 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11527 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11528 /* make sure this other one finishes before killing it! */
11529 if(endingGame) { int count = 0;
11530 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11531 while(endingGame && count++ < 10) DoSleep(1);
11532 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11535 /* Kill off chess programs */
11536 if (first.pr != NoProc) {
11539 DoSleep( appData.delayBeforeQuit );
11540 SendToProgram("quit\n", &first);
11541 DoSleep( appData.delayAfterQuit );
11542 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11544 if (second.pr != NoProc) {
11545 DoSleep( appData.delayBeforeQuit );
11546 SendToProgram("quit\n", &second);
11547 DoSleep( appData.delayAfterQuit );
11548 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11550 if (first.isr != NULL) {
11551 RemoveInputSource(first.isr);
11553 if (second.isr != NULL) {
11554 RemoveInputSource(second.isr);
11557 ShutDownFrontEnd();
11564 if (appData.debugMode)
11565 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11569 if (gameMode == MachinePlaysWhite ||
11570 gameMode == MachinePlaysBlack) {
11573 DisplayBothClocks();
11575 if (gameMode == PlayFromGameFile) {
11576 if (appData.timeDelay >= 0)
11577 AutoPlayGameLoop();
11578 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11579 Reset(FALSE, TRUE);
11580 SendToICS(ics_prefix);
11581 SendToICS("refresh\n");
11582 } else if (currentMove < forwardMostMove) {
11583 ForwardInner(forwardMostMove);
11585 pauseExamInvalid = FALSE;
11587 switch (gameMode) {
11591 pauseExamForwardMostMove = forwardMostMove;
11592 pauseExamInvalid = FALSE;
11595 case IcsPlayingWhite:
11596 case IcsPlayingBlack:
11600 case PlayFromGameFile:
11601 (void) StopLoadGameTimer();
11605 case BeginningOfGame:
11606 if (appData.icsActive) return;
11607 /* else fall through */
11608 case MachinePlaysWhite:
11609 case MachinePlaysBlack:
11610 case TwoMachinesPlay:
11611 if (forwardMostMove == 0)
11612 return; /* don't pause if no one has moved */
11613 if ((gameMode == MachinePlaysWhite &&
11614 !WhiteOnMove(forwardMostMove)) ||
11615 (gameMode == MachinePlaysBlack &&
11616 WhiteOnMove(forwardMostMove))) {
11629 char title[MSG_SIZ];
11631 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11632 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11634 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11635 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11636 parseList[currentMove - 1]);
11639 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11646 char *tags = PGNTags(&gameInfo);
11647 EditTagsPopUp(tags, NULL);
11654 if (appData.noChessProgram || gameMode == AnalyzeMode)
11657 if (gameMode != AnalyzeFile) {
11658 if (!appData.icsEngineAnalyze) {
11660 if (gameMode != EditGame) return;
11662 ResurrectChessProgram();
11663 SendToProgram("analyze\n", &first);
11664 first.analyzing = TRUE;
11665 /*first.maybeThinking = TRUE;*/
11666 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11667 EngineOutputPopUp();
11669 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11674 StartAnalysisClock();
11675 GetTimeMark(&lastNodeCountTime);
11682 if (appData.noChessProgram || gameMode == AnalyzeFile)
11685 if (gameMode != AnalyzeMode) {
11687 if (gameMode != EditGame) return;
11688 ResurrectChessProgram();
11689 SendToProgram("analyze\n", &first);
11690 first.analyzing = TRUE;
11691 /*first.maybeThinking = TRUE;*/
11692 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11693 EngineOutputPopUp();
11695 gameMode = AnalyzeFile;
11700 StartAnalysisClock();
11701 GetTimeMark(&lastNodeCountTime);
11706 MachineWhiteEvent()
11709 char *bookHit = NULL;
11711 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11715 if (gameMode == PlayFromGameFile ||
11716 gameMode == TwoMachinesPlay ||
11717 gameMode == Training ||
11718 gameMode == AnalyzeMode ||
11719 gameMode == EndOfGame)
11722 if (gameMode == EditPosition)
11723 EditPositionDone(TRUE);
11725 if (!WhiteOnMove(currentMove)) {
11726 DisplayError(_("It is not White's turn"), 0);
11730 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11733 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11734 gameMode == AnalyzeFile)
11737 ResurrectChessProgram(); /* in case it isn't running */
11738 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11739 gameMode = MachinePlaysWhite;
11742 gameMode = MachinePlaysWhite;
11746 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11748 if (first.sendName) {
11749 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11750 SendToProgram(buf, &first);
11752 if (first.sendTime) {
11753 if (first.useColors) {
11754 SendToProgram("black\n", &first); /*gnu kludge*/
11756 SendTimeRemaining(&first, TRUE);
11758 if (first.useColors) {
11759 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11761 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11762 SetMachineThinkingEnables();
11763 first.maybeThinking = TRUE;
11767 if (appData.autoFlipView && !flipView) {
11768 flipView = !flipView;
11769 DrawPosition(FALSE, NULL);
11770 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11773 if(bookHit) { // [HGM] book: simulate book reply
11774 static char bookMove[MSG_SIZ]; // a bit generous?
11776 programStats.nodes = programStats.depth = programStats.time =
11777 programStats.score = programStats.got_only_move = 0;
11778 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11780 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11781 strcat(bookMove, bookHit);
11782 HandleMachineMove(bookMove, &first);
11787 MachineBlackEvent()
11790 char *bookHit = NULL;
11792 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11796 if (gameMode == PlayFromGameFile ||
11797 gameMode == TwoMachinesPlay ||
11798 gameMode == Training ||
11799 gameMode == AnalyzeMode ||
11800 gameMode == EndOfGame)
11803 if (gameMode == EditPosition)
11804 EditPositionDone(TRUE);
11806 if (WhiteOnMove(currentMove)) {
11807 DisplayError(_("It is not Black's turn"), 0);
11811 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11814 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11815 gameMode == AnalyzeFile)
11818 ResurrectChessProgram(); /* in case it isn't running */
11819 gameMode = MachinePlaysBlack;
11823 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11825 if (first.sendName) {
11826 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11827 SendToProgram(buf, &first);
11829 if (first.sendTime) {
11830 if (first.useColors) {
11831 SendToProgram("white\n", &first); /*gnu kludge*/
11833 SendTimeRemaining(&first, FALSE);
11835 if (first.useColors) {
11836 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11838 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11839 SetMachineThinkingEnables();
11840 first.maybeThinking = TRUE;
11843 if (appData.autoFlipView && flipView) {
11844 flipView = !flipView;
11845 DrawPosition(FALSE, NULL);
11846 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11848 if(bookHit) { // [HGM] book: simulate book reply
11849 static char bookMove[MSG_SIZ]; // a bit generous?
11851 programStats.nodes = programStats.depth = programStats.time =
11852 programStats.score = programStats.got_only_move = 0;
11853 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11855 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11856 strcat(bookMove, bookHit);
11857 HandleMachineMove(bookMove, &first);
11863 DisplayTwoMachinesTitle()
11866 if (appData.matchGames > 0) {
11867 if (first.twoMachinesColor[0] == 'w') {
11868 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11869 gameInfo.white, gameInfo.black,
11870 first.matchWins, second.matchWins,
11871 matchGame - 1 - (first.matchWins + second.matchWins));
11873 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11874 gameInfo.white, gameInfo.black,
11875 second.matchWins, first.matchWins,
11876 matchGame - 1 - (first.matchWins + second.matchWins));
11879 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11885 SettingsMenuIfReady()
11887 if (second.lastPing != second.lastPong) {
11888 DisplayMessage("", _("Waiting for second chess program"));
11889 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11893 DisplayMessage("", "");
11894 SettingsPopUp(&second);
11898 WaitForSecond(DelayedEventCallback retry)
11900 if (second.pr == NULL) {
11901 StartChessProgram(&second);
11902 if (second.protocolVersion == 1) {
11905 /* kludge: allow timeout for initial "feature" command */
11907 DisplayMessage("", _("Starting second chess program"));
11908 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11916 TwoMachinesEvent P((void))
11920 ChessProgramState *onmove;
11921 char *bookHit = NULL;
11923 if (appData.noChessProgram) return;
11925 switch (gameMode) {
11926 case TwoMachinesPlay:
11928 case MachinePlaysWhite:
11929 case MachinePlaysBlack:
11930 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11931 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11935 case BeginningOfGame:
11936 case PlayFromGameFile:
11939 if (gameMode != EditGame) return;
11942 EditPositionDone(TRUE);
11953 // forwardMostMove = currentMove;
11954 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11955 ResurrectChessProgram(); /* in case first program isn't running */
11957 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11958 DisplayMessage("", "");
11959 InitChessProgram(&second, FALSE);
11960 SendToProgram("force\n", &second);
11961 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11962 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11965 if (startedFromSetupPosition) {
11966 SendBoard(&second, backwardMostMove);
11967 if (appData.debugMode) {
11968 fprintf(debugFP, "Two Machines\n");
11971 for (i = backwardMostMove; i < forwardMostMove; i++) {
11972 SendMoveToProgram(i, &second);
11975 gameMode = TwoMachinesPlay;
11979 DisplayTwoMachinesTitle();
11981 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11987 SendToProgram(first.computerString, &first);
11988 if (first.sendName) {
11989 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11990 SendToProgram(buf, &first);
11992 SendToProgram(second.computerString, &second);
11993 if (second.sendName) {
11994 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
11995 SendToProgram(buf, &second);
11999 if (!first.sendTime || !second.sendTime) {
12000 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12001 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12003 if (onmove->sendTime) {
12004 if (onmove->useColors) {
12005 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12007 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12009 if (onmove->useColors) {
12010 SendToProgram(onmove->twoMachinesColor, onmove);
12012 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12013 // SendToProgram("go\n", onmove);
12014 onmove->maybeThinking = TRUE;
12015 SetMachineThinkingEnables();
12019 if(bookHit) { // [HGM] book: simulate book reply
12020 static char bookMove[MSG_SIZ]; // a bit generous?
12022 programStats.nodes = programStats.depth = programStats.time =
12023 programStats.score = programStats.got_only_move = 0;
12024 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12026 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12027 strcat(bookMove, bookHit);
12028 savedMessage = bookMove; // args for deferred call
12029 savedState = onmove;
12030 ScheduleDelayedEvent(DeferredBookMove, 1);
12037 if (gameMode == Training) {
12038 SetTrainingModeOff();
12039 gameMode = PlayFromGameFile;
12040 DisplayMessage("", _("Training mode off"));
12042 gameMode = Training;
12043 animateTraining = appData.animate;
12045 /* make sure we are not already at the end of the game */
12046 if (currentMove < forwardMostMove) {
12047 SetTrainingModeOn();
12048 DisplayMessage("", _("Training mode on"));
12050 gameMode = PlayFromGameFile;
12051 DisplayError(_("Already at end of game"), 0);
12060 if (!appData.icsActive) return;
12061 switch (gameMode) {
12062 case IcsPlayingWhite:
12063 case IcsPlayingBlack:
12066 case BeginningOfGame:
12074 EditPositionDone(TRUE);
12087 gameMode = IcsIdle;
12098 switch (gameMode) {
12100 SetTrainingModeOff();
12102 case MachinePlaysWhite:
12103 case MachinePlaysBlack:
12104 case BeginningOfGame:
12105 SendToProgram("force\n", &first);
12106 SetUserThinkingEnables();
12108 case PlayFromGameFile:
12109 (void) StopLoadGameTimer();
12110 if (gameFileFP != NULL) {
12115 EditPositionDone(TRUE);
12120 SendToProgram("force\n", &first);
12122 case TwoMachinesPlay:
12123 GameEnds(EndOfFile, NULL, GE_PLAYER);
12124 ResurrectChessProgram();
12125 SetUserThinkingEnables();
12128 ResurrectChessProgram();
12130 case IcsPlayingBlack:
12131 case IcsPlayingWhite:
12132 DisplayError(_("Warning: You are still playing a game"), 0);
12135 DisplayError(_("Warning: You are still observing a game"), 0);
12138 DisplayError(_("Warning: You are still examining a game"), 0);
12149 first.offeredDraw = second.offeredDraw = 0;
12151 if (gameMode == PlayFromGameFile) {
12152 whiteTimeRemaining = timeRemaining[0][currentMove];
12153 blackTimeRemaining = timeRemaining[1][currentMove];
12157 if (gameMode == MachinePlaysWhite ||
12158 gameMode == MachinePlaysBlack ||
12159 gameMode == TwoMachinesPlay ||
12160 gameMode == EndOfGame) {
12161 i = forwardMostMove;
12162 while (i > currentMove) {
12163 SendToProgram("undo\n", &first);
12166 whiteTimeRemaining = timeRemaining[0][currentMove];
12167 blackTimeRemaining = timeRemaining[1][currentMove];
12168 DisplayBothClocks();
12169 if (whiteFlag || blackFlag) {
12170 whiteFlag = blackFlag = 0;
12175 gameMode = EditGame;
12182 EditPositionEvent()
12184 if (gameMode == EditPosition) {
12190 if (gameMode != EditGame) return;
12192 gameMode = EditPosition;
12195 if (currentMove > 0)
12196 CopyBoard(boards[0], boards[currentMove]);
12198 blackPlaysFirst = !WhiteOnMove(currentMove);
12200 currentMove = forwardMostMove = backwardMostMove = 0;
12201 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12208 /* [DM] icsEngineAnalyze - possible call from other functions */
12209 if (appData.icsEngineAnalyze) {
12210 appData.icsEngineAnalyze = FALSE;
12212 DisplayMessage("",_("Close ICS engine analyze..."));
12214 if (first.analysisSupport && first.analyzing) {
12215 SendToProgram("exit\n", &first);
12216 first.analyzing = FALSE;
12218 thinkOutput[0] = NULLCHAR;
12222 EditPositionDone(Boolean fakeRights)
12224 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12226 startedFromSetupPosition = TRUE;
12227 InitChessProgram(&first, FALSE);
12228 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12229 boards[0][EP_STATUS] = EP_NONE;
12230 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12231 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12232 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12233 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12234 } else boards[0][CASTLING][2] = NoRights;
12235 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12236 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12237 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12238 } else boards[0][CASTLING][5] = NoRights;
12240 SendToProgram("force\n", &first);
12241 if (blackPlaysFirst) {
12242 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12243 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12244 currentMove = forwardMostMove = backwardMostMove = 1;
12245 CopyBoard(boards[1], boards[0]);
12247 currentMove = forwardMostMove = backwardMostMove = 0;
12249 SendBoard(&first, forwardMostMove);
12250 if (appData.debugMode) {
12251 fprintf(debugFP, "EditPosDone\n");
12254 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12255 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12256 gameMode = EditGame;
12258 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12259 ClearHighlights(); /* [AS] */
12262 /* Pause for `ms' milliseconds */
12263 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12273 } while (SubtractTimeMarks(&m2, &m1) < ms);
12276 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12278 SendMultiLineToICS(buf)
12281 char temp[MSG_SIZ+1], *p;
12288 strncpy(temp, buf, len);
12293 if (*p == '\n' || *p == '\r')
12298 strcat(temp, "\n");
12300 SendToPlayer(temp, strlen(temp));
12304 SetWhiteToPlayEvent()
12306 if (gameMode == EditPosition) {
12307 blackPlaysFirst = FALSE;
12308 DisplayBothClocks(); /* works because currentMove is 0 */
12309 } else if (gameMode == IcsExamining) {
12310 SendToICS(ics_prefix);
12311 SendToICS("tomove white\n");
12316 SetBlackToPlayEvent()
12318 if (gameMode == EditPosition) {
12319 blackPlaysFirst = TRUE;
12320 currentMove = 1; /* kludge */
12321 DisplayBothClocks();
12323 } else if (gameMode == IcsExamining) {
12324 SendToICS(ics_prefix);
12325 SendToICS("tomove black\n");
12330 EditPositionMenuEvent(selection, x, y)
12331 ChessSquare selection;
12335 ChessSquare piece = boards[0][y][x];
12337 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12339 switch (selection) {
12341 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12342 SendToICS(ics_prefix);
12343 SendToICS("bsetup clear\n");
12344 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12345 SendToICS(ics_prefix);
12346 SendToICS("clearboard\n");
12348 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12349 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12350 for (y = 0; y < BOARD_HEIGHT; y++) {
12351 if (gameMode == IcsExamining) {
12352 if (boards[currentMove][y][x] != EmptySquare) {
12353 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12358 boards[0][y][x] = p;
12363 if (gameMode == EditPosition) {
12364 DrawPosition(FALSE, boards[0]);
12369 SetWhiteToPlayEvent();
12373 SetBlackToPlayEvent();
12377 if (gameMode == IcsExamining) {
12378 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12379 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12382 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12383 if(x == BOARD_LEFT-2) {
12384 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12385 boards[0][y][1] = 0;
12387 if(x == BOARD_RGHT+1) {
12388 if(y >= gameInfo.holdingsSize) break;
12389 boards[0][y][BOARD_WIDTH-2] = 0;
12392 boards[0][y][x] = EmptySquare;
12393 DrawPosition(FALSE, boards[0]);
12398 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12399 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12400 selection = (ChessSquare) (PROMOTED piece);
12401 } else if(piece == EmptySquare) selection = WhiteSilver;
12402 else selection = (ChessSquare)((int)piece - 1);
12406 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12407 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12408 selection = (ChessSquare) (DEMOTED piece);
12409 } else if(piece == EmptySquare) selection = BlackSilver;
12410 else selection = (ChessSquare)((int)piece + 1);
12415 if(gameInfo.variant == VariantShatranj ||
12416 gameInfo.variant == VariantXiangqi ||
12417 gameInfo.variant == VariantCourier ||
12418 gameInfo.variant == VariantMakruk )
12419 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12424 if(gameInfo.variant == VariantXiangqi)
12425 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12426 if(gameInfo.variant == VariantKnightmate)
12427 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12430 if (gameMode == IcsExamining) {
12431 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12432 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12433 PieceToChar(selection), AAA + x, ONE + y);
12436 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12438 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12439 n = PieceToNumber(selection - BlackPawn);
12440 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12441 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12442 boards[0][BOARD_HEIGHT-1-n][1]++;
12444 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12445 n = PieceToNumber(selection);
12446 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12447 boards[0][n][BOARD_WIDTH-1] = selection;
12448 boards[0][n][BOARD_WIDTH-2]++;
12451 boards[0][y][x] = selection;
12452 DrawPosition(TRUE, boards[0]);
12460 DropMenuEvent(selection, x, y)
12461 ChessSquare selection;
12464 ChessMove moveType;
12466 switch (gameMode) {
12467 case IcsPlayingWhite:
12468 case MachinePlaysBlack:
12469 if (!WhiteOnMove(currentMove)) {
12470 DisplayMoveError(_("It is Black's turn"));
12473 moveType = WhiteDrop;
12475 case IcsPlayingBlack:
12476 case MachinePlaysWhite:
12477 if (WhiteOnMove(currentMove)) {
12478 DisplayMoveError(_("It is White's turn"));
12481 moveType = BlackDrop;
12484 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12490 if (moveType == BlackDrop && selection < BlackPawn) {
12491 selection = (ChessSquare) ((int) selection
12492 + (int) BlackPawn - (int) WhitePawn);
12494 if (boards[currentMove][y][x] != EmptySquare) {
12495 DisplayMoveError(_("That square is occupied"));
12499 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12505 /* Accept a pending offer of any kind from opponent */
12507 if (appData.icsActive) {
12508 SendToICS(ics_prefix);
12509 SendToICS("accept\n");
12510 } else if (cmailMsgLoaded) {
12511 if (currentMove == cmailOldMove &&
12512 commentList[cmailOldMove] != NULL &&
12513 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12514 "Black offers a draw" : "White offers a draw")) {
12516 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12517 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12519 DisplayError(_("There is no pending offer on this move"), 0);
12520 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12523 /* Not used for offers from chess program */
12530 /* Decline a pending offer of any kind from opponent */
12532 if (appData.icsActive) {
12533 SendToICS(ics_prefix);
12534 SendToICS("decline\n");
12535 } else if (cmailMsgLoaded) {
12536 if (currentMove == cmailOldMove &&
12537 commentList[cmailOldMove] != NULL &&
12538 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12539 "Black offers a draw" : "White offers a draw")) {
12541 AppendComment(cmailOldMove, "Draw declined", TRUE);
12542 DisplayComment(cmailOldMove - 1, "Draw declined");
12545 DisplayError(_("There is no pending offer on this move"), 0);
12548 /* Not used for offers from chess program */
12555 /* Issue ICS rematch command */
12556 if (appData.icsActive) {
12557 SendToICS(ics_prefix);
12558 SendToICS("rematch\n");
12565 /* Call your opponent's flag (claim a win on time) */
12566 if (appData.icsActive) {
12567 SendToICS(ics_prefix);
12568 SendToICS("flag\n");
12570 switch (gameMode) {
12573 case MachinePlaysWhite:
12576 GameEnds(GameIsDrawn, "Both players ran out of time",
12579 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12581 DisplayError(_("Your opponent is not out of time"), 0);
12584 case MachinePlaysBlack:
12587 GameEnds(GameIsDrawn, "Both players ran out of time",
12590 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12592 DisplayError(_("Your opponent is not out of time"), 0);
12602 /* Offer draw or accept pending draw offer from opponent */
12604 if (appData.icsActive) {
12605 /* Note: tournament rules require draw offers to be
12606 made after you make your move but before you punch
12607 your clock. Currently ICS doesn't let you do that;
12608 instead, you immediately punch your clock after making
12609 a move, but you can offer a draw at any time. */
12611 SendToICS(ics_prefix);
12612 SendToICS("draw\n");
12613 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12614 } else if (cmailMsgLoaded) {
12615 if (currentMove == cmailOldMove &&
12616 commentList[cmailOldMove] != NULL &&
12617 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12618 "Black offers a draw" : "White offers a draw")) {
12619 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12620 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12621 } else if (currentMove == cmailOldMove + 1) {
12622 char *offer = WhiteOnMove(cmailOldMove) ?
12623 "White offers a draw" : "Black offers a draw";
12624 AppendComment(currentMove, offer, TRUE);
12625 DisplayComment(currentMove - 1, offer);
12626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12628 DisplayError(_("You must make your move before offering a draw"), 0);
12629 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12631 } else if (first.offeredDraw) {
12632 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12634 if (first.sendDrawOffers) {
12635 SendToProgram("draw\n", &first);
12636 userOfferedDraw = TRUE;
12644 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12646 if (appData.icsActive) {
12647 SendToICS(ics_prefix);
12648 SendToICS("adjourn\n");
12650 /* Currently GNU Chess doesn't offer or accept Adjourns */
12658 /* Offer Abort or accept pending Abort offer from opponent */
12660 if (appData.icsActive) {
12661 SendToICS(ics_prefix);
12662 SendToICS("abort\n");
12664 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12671 /* Resign. You can do this even if it's not your turn. */
12673 if (appData.icsActive) {
12674 SendToICS(ics_prefix);
12675 SendToICS("resign\n");
12677 switch (gameMode) {
12678 case MachinePlaysWhite:
12679 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12681 case MachinePlaysBlack:
12682 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12685 if (cmailMsgLoaded) {
12687 if (WhiteOnMove(cmailOldMove)) {
12688 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12690 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12692 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12703 StopObservingEvent()
12705 /* Stop observing current games */
12706 SendToICS(ics_prefix);
12707 SendToICS("unobserve\n");
12711 StopExaminingEvent()
12713 /* Stop observing current game */
12714 SendToICS(ics_prefix);
12715 SendToICS("unexamine\n");
12719 ForwardInner(target)
12724 if (appData.debugMode)
12725 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12726 target, currentMove, forwardMostMove);
12728 if (gameMode == EditPosition)
12731 if (gameMode == PlayFromGameFile && !pausing)
12734 if (gameMode == IcsExamining && pausing)
12735 limit = pauseExamForwardMostMove;
12737 limit = forwardMostMove;
12739 if (target > limit) target = limit;
12741 if (target > 0 && moveList[target - 1][0]) {
12742 int fromX, fromY, toX, toY;
12743 toX = moveList[target - 1][2] - AAA;
12744 toY = moveList[target - 1][3] - ONE;
12745 if (moveList[target - 1][1] == '@') {
12746 if (appData.highlightLastMove) {
12747 SetHighlights(-1, -1, toX, toY);
12750 fromX = moveList[target - 1][0] - AAA;
12751 fromY = moveList[target - 1][1] - ONE;
12752 if (target == currentMove + 1) {
12753 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12755 if (appData.highlightLastMove) {
12756 SetHighlights(fromX, fromY, toX, toY);
12760 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12761 gameMode == Training || gameMode == PlayFromGameFile ||
12762 gameMode == AnalyzeFile) {
12763 while (currentMove < target) {
12764 SendMoveToProgram(currentMove++, &first);
12767 currentMove = target;
12770 if (gameMode == EditGame || gameMode == EndOfGame) {
12771 whiteTimeRemaining = timeRemaining[0][currentMove];
12772 blackTimeRemaining = timeRemaining[1][currentMove];
12774 DisplayBothClocks();
12775 DisplayMove(currentMove - 1);
12776 DrawPosition(FALSE, boards[currentMove]);
12777 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12778 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12779 DisplayComment(currentMove - 1, commentList[currentMove]);
12787 if (gameMode == IcsExamining && !pausing) {
12788 SendToICS(ics_prefix);
12789 SendToICS("forward\n");
12791 ForwardInner(currentMove + 1);
12798 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12799 /* to optimze, we temporarily turn off analysis mode while we feed
12800 * the remaining moves to the engine. Otherwise we get analysis output
12803 if (first.analysisSupport) {
12804 SendToProgram("exit\nforce\n", &first);
12805 first.analyzing = FALSE;
12809 if (gameMode == IcsExamining && !pausing) {
12810 SendToICS(ics_prefix);
12811 SendToICS("forward 999999\n");
12813 ForwardInner(forwardMostMove);
12816 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12817 /* we have fed all the moves, so reactivate analysis mode */
12818 SendToProgram("analyze\n", &first);
12819 first.analyzing = TRUE;
12820 /*first.maybeThinking = TRUE;*/
12821 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12826 BackwardInner(target)
12829 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12831 if (appData.debugMode)
12832 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12833 target, currentMove, forwardMostMove);
12835 if (gameMode == EditPosition) return;
12836 if (currentMove <= backwardMostMove) {
12838 DrawPosition(full_redraw, boards[currentMove]);
12841 if (gameMode == PlayFromGameFile && !pausing)
12844 if (moveList[target][0]) {
12845 int fromX, fromY, toX, toY;
12846 toX = moveList[target][2] - AAA;
12847 toY = moveList[target][3] - ONE;
12848 if (moveList[target][1] == '@') {
12849 if (appData.highlightLastMove) {
12850 SetHighlights(-1, -1, toX, toY);
12853 fromX = moveList[target][0] - AAA;
12854 fromY = moveList[target][1] - ONE;
12855 if (target == currentMove - 1) {
12856 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12858 if (appData.highlightLastMove) {
12859 SetHighlights(fromX, fromY, toX, toY);
12863 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12864 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12865 while (currentMove > target) {
12866 SendToProgram("undo\n", &first);
12870 currentMove = target;
12873 if (gameMode == EditGame || gameMode == EndOfGame) {
12874 whiteTimeRemaining = timeRemaining[0][currentMove];
12875 blackTimeRemaining = timeRemaining[1][currentMove];
12877 DisplayBothClocks();
12878 DisplayMove(currentMove - 1);
12879 DrawPosition(full_redraw, boards[currentMove]);
12880 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12881 // [HGM] PV info: routine tests if comment empty
12882 DisplayComment(currentMove - 1, commentList[currentMove]);
12888 if (gameMode == IcsExamining && !pausing) {
12889 SendToICS(ics_prefix);
12890 SendToICS("backward\n");
12892 BackwardInner(currentMove - 1);
12899 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12900 /* to optimize, we temporarily turn off analysis mode while we undo
12901 * all the moves. Otherwise we get analysis output after each undo.
12903 if (first.analysisSupport) {
12904 SendToProgram("exit\nforce\n", &first);
12905 first.analyzing = FALSE;
12909 if (gameMode == IcsExamining && !pausing) {
12910 SendToICS(ics_prefix);
12911 SendToICS("backward 999999\n");
12913 BackwardInner(backwardMostMove);
12916 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12917 /* we have fed all the moves, so reactivate analysis mode */
12918 SendToProgram("analyze\n", &first);
12919 first.analyzing = TRUE;
12920 /*first.maybeThinking = TRUE;*/
12921 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12928 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12929 if (to >= forwardMostMove) to = forwardMostMove;
12930 if (to <= backwardMostMove) to = backwardMostMove;
12931 if (to < currentMove) {
12939 RevertEvent(Boolean annotate)
12941 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12944 if (gameMode != IcsExamining) {
12945 DisplayError(_("You are not examining a game"), 0);
12949 DisplayError(_("You can't revert while pausing"), 0);
12952 SendToICS(ics_prefix);
12953 SendToICS("revert\n");
12959 switch (gameMode) {
12960 case MachinePlaysWhite:
12961 case MachinePlaysBlack:
12962 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12963 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12966 if (forwardMostMove < 2) return;
12967 currentMove = forwardMostMove = forwardMostMove - 2;
12968 whiteTimeRemaining = timeRemaining[0][currentMove];
12969 blackTimeRemaining = timeRemaining[1][currentMove];
12970 DisplayBothClocks();
12971 DisplayMove(currentMove - 1);
12972 ClearHighlights();/*!! could figure this out*/
12973 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12974 SendToProgram("remove\n", &first);
12975 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12978 case BeginningOfGame:
12982 case IcsPlayingWhite:
12983 case IcsPlayingBlack:
12984 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12985 SendToICS(ics_prefix);
12986 SendToICS("takeback 2\n");
12988 SendToICS(ics_prefix);
12989 SendToICS("takeback 1\n");
12998 ChessProgramState *cps;
13000 switch (gameMode) {
13001 case MachinePlaysWhite:
13002 if (!WhiteOnMove(forwardMostMove)) {
13003 DisplayError(_("It is your turn"), 0);
13008 case MachinePlaysBlack:
13009 if (WhiteOnMove(forwardMostMove)) {
13010 DisplayError(_("It is your turn"), 0);
13015 case TwoMachinesPlay:
13016 if (WhiteOnMove(forwardMostMove) ==
13017 (first.twoMachinesColor[0] == 'w')) {
13023 case BeginningOfGame:
13027 SendToProgram("?\n", cps);
13031 TruncateGameEvent()
13034 if (gameMode != EditGame) return;
13041 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13042 if (forwardMostMove > currentMove) {
13043 if (gameInfo.resultDetails != NULL) {
13044 free(gameInfo.resultDetails);
13045 gameInfo.resultDetails = NULL;
13046 gameInfo.result = GameUnfinished;
13048 forwardMostMove = currentMove;
13049 HistorySet(parseList, backwardMostMove, forwardMostMove,
13057 if (appData.noChessProgram) return;
13058 switch (gameMode) {
13059 case MachinePlaysWhite:
13060 if (WhiteOnMove(forwardMostMove)) {
13061 DisplayError(_("Wait until your turn"), 0);
13065 case BeginningOfGame:
13066 case MachinePlaysBlack:
13067 if (!WhiteOnMove(forwardMostMove)) {
13068 DisplayError(_("Wait until your turn"), 0);
13073 DisplayError(_("No hint available"), 0);
13076 SendToProgram("hint\n", &first);
13077 hintRequested = TRUE;
13083 if (appData.noChessProgram) return;
13084 switch (gameMode) {
13085 case MachinePlaysWhite:
13086 if (WhiteOnMove(forwardMostMove)) {
13087 DisplayError(_("Wait until your turn"), 0);
13091 case BeginningOfGame:
13092 case MachinePlaysBlack:
13093 if (!WhiteOnMove(forwardMostMove)) {
13094 DisplayError(_("Wait until your turn"), 0);
13099 EditPositionDone(TRUE);
13101 case TwoMachinesPlay:
13106 SendToProgram("bk\n", &first);
13107 bookOutput[0] = NULLCHAR;
13108 bookRequested = TRUE;
13114 char *tags = PGNTags(&gameInfo);
13115 TagsPopUp(tags, CmailMsg());
13119 /* end button procedures */
13122 PrintPosition(fp, move)
13128 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13129 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13130 char c = PieceToChar(boards[move][i][j]);
13131 fputc(c == 'x' ? '.' : c, fp);
13132 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13135 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13136 fprintf(fp, "white to play\n");
13138 fprintf(fp, "black to play\n");
13145 if (gameInfo.white != NULL) {
13146 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13152 /* Find last component of program's own name, using some heuristics */
13154 TidyProgramName(prog, host, buf)
13155 char *prog, *host, buf[MSG_SIZ];
13158 int local = (strcmp(host, "localhost") == 0);
13159 while (!local && (p = strchr(prog, ';')) != NULL) {
13161 while (*p == ' ') p++;
13164 if (*prog == '"' || *prog == '\'') {
13165 q = strchr(prog + 1, *prog);
13167 q = strchr(prog, ' ');
13169 if (q == NULL) q = prog + strlen(prog);
13171 while (p >= prog && *p != '/' && *p != '\\') p--;
13173 if(p == prog && *p == '"') p++;
13174 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13175 memcpy(buf, p, q - p);
13176 buf[q - p] = NULLCHAR;
13184 TimeControlTagValue()
13187 if (!appData.clockMode) {
13188 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13189 } else if (movesPerSession > 0) {
13190 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13191 } else if (timeIncrement == 0) {
13192 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13194 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13196 return StrSave(buf);
13202 /* This routine is used only for certain modes */
13203 VariantClass v = gameInfo.variant;
13204 ChessMove r = GameUnfinished;
13207 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13208 r = gameInfo.result;
13209 p = gameInfo.resultDetails;
13210 gameInfo.resultDetails = NULL;
13212 ClearGameInfo(&gameInfo);
13213 gameInfo.variant = v;
13215 switch (gameMode) {
13216 case MachinePlaysWhite:
13217 gameInfo.event = StrSave( appData.pgnEventHeader );
13218 gameInfo.site = StrSave(HostName());
13219 gameInfo.date = PGNDate();
13220 gameInfo.round = StrSave("-");
13221 gameInfo.white = StrSave(first.tidy);
13222 gameInfo.black = StrSave(UserName());
13223 gameInfo.timeControl = TimeControlTagValue();
13226 case MachinePlaysBlack:
13227 gameInfo.event = StrSave( appData.pgnEventHeader );
13228 gameInfo.site = StrSave(HostName());
13229 gameInfo.date = PGNDate();
13230 gameInfo.round = StrSave("-");
13231 gameInfo.white = StrSave(UserName());
13232 gameInfo.black = StrSave(first.tidy);
13233 gameInfo.timeControl = TimeControlTagValue();
13236 case TwoMachinesPlay:
13237 gameInfo.event = StrSave( appData.pgnEventHeader );
13238 gameInfo.site = StrSave(HostName());
13239 gameInfo.date = PGNDate();
13240 if (matchGame > 0) {
13242 snprintf(buf, MSG_SIZ, "%d", matchGame);
13243 gameInfo.round = StrSave(buf);
13245 gameInfo.round = StrSave("-");
13247 if (first.twoMachinesColor[0] == 'w') {
13248 gameInfo.white = StrSave(first.tidy);
13249 gameInfo.black = StrSave(second.tidy);
13251 gameInfo.white = StrSave(second.tidy);
13252 gameInfo.black = StrSave(first.tidy);
13254 gameInfo.timeControl = TimeControlTagValue();
13258 gameInfo.event = StrSave("Edited game");
13259 gameInfo.site = StrSave(HostName());
13260 gameInfo.date = PGNDate();
13261 gameInfo.round = StrSave("-");
13262 gameInfo.white = StrSave("-");
13263 gameInfo.black = StrSave("-");
13264 gameInfo.result = r;
13265 gameInfo.resultDetails = p;
13269 gameInfo.event = StrSave("Edited position");
13270 gameInfo.site = StrSave(HostName());
13271 gameInfo.date = PGNDate();
13272 gameInfo.round = StrSave("-");
13273 gameInfo.white = StrSave("-");
13274 gameInfo.black = StrSave("-");
13277 case IcsPlayingWhite:
13278 case IcsPlayingBlack:
13283 case PlayFromGameFile:
13284 gameInfo.event = StrSave("Game from non-PGN file");
13285 gameInfo.site = StrSave(HostName());
13286 gameInfo.date = PGNDate();
13287 gameInfo.round = StrSave("-");
13288 gameInfo.white = StrSave("?");
13289 gameInfo.black = StrSave("?");
13298 ReplaceComment(index, text)
13306 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13307 pvInfoList[index-1].depth == len &&
13308 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13309 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13310 while (*text == '\n') text++;
13311 len = strlen(text);
13312 while (len > 0 && text[len - 1] == '\n') len--;
13314 if (commentList[index] != NULL)
13315 free(commentList[index]);
13318 commentList[index] = NULL;
13321 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13322 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13323 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13324 commentList[index] = (char *) malloc(len + 2);
13325 strncpy(commentList[index], text, len);
13326 commentList[index][len] = '\n';
13327 commentList[index][len + 1] = NULLCHAR;
13329 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13331 commentList[index] = (char *) malloc(len + 7);
13332 safeStrCpy(commentList[index], "{\n", 3);
13333 safeStrCpy(commentList[index]+2, text, len+1);
13334 commentList[index][len+2] = NULLCHAR;
13335 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13336 strcat(commentList[index], "\n}\n");
13350 if (ch == '\r') continue;
13352 } while (ch != '\0');
13356 AppendComment(index, text, addBraces)
13359 Boolean addBraces; // [HGM] braces: tells if we should add {}
13364 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13365 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13368 while (*text == '\n') text++;
13369 len = strlen(text);
13370 while (len > 0 && text[len - 1] == '\n') len--;
13372 if (len == 0) return;
13374 if (commentList[index] != NULL) {
13375 old = commentList[index];
13376 oldlen = strlen(old);
13377 while(commentList[index][oldlen-1] == '\n')
13378 commentList[index][--oldlen] = NULLCHAR;
13379 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13380 safeStrCpy(commentList[index], old, oldlen + len + 6);
13382 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13383 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13384 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13385 while (*text == '\n') { text++; len--; }
13386 commentList[index][--oldlen] = NULLCHAR;
13388 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13389 else strcat(commentList[index], "\n");
13390 strcat(commentList[index], text);
13391 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13392 else strcat(commentList[index], "\n");
13394 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13396 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13397 else commentList[index][0] = NULLCHAR;
13398 strcat(commentList[index], text);
13399 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13400 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13404 static char * FindStr( char * text, char * sub_text )
13406 char * result = strstr( text, sub_text );
13408 if( result != NULL ) {
13409 result += strlen( sub_text );
13415 /* [AS] Try to extract PV info from PGN comment */
13416 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13417 char *GetInfoFromComment( int index, char * text )
13419 char * sep = text, *p;
13421 if( text != NULL && index > 0 ) {
13424 int time = -1, sec = 0, deci;
13425 char * s_eval = FindStr( text, "[%eval " );
13426 char * s_emt = FindStr( text, "[%emt " );
13428 if( s_eval != NULL || s_emt != NULL ) {
13432 if( s_eval != NULL ) {
13433 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13437 if( delim != ']' ) {
13442 if( s_emt != NULL ) {
13447 /* We expect something like: [+|-]nnn.nn/dd */
13450 if(*text != '{') return text; // [HGM] braces: must be normal comment
13452 sep = strchr( text, '/' );
13453 if( sep == NULL || sep < (text+4) ) {
13458 if(p[1] == '(') { // comment starts with PV
13459 p = strchr(p, ')'); // locate end of PV
13460 if(p == NULL || sep < p+5) return text;
13461 // at this point we have something like "{(.*) +0.23/6 ..."
13462 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13463 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13464 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13466 time = -1; sec = -1; deci = -1;
13467 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13468 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13469 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13470 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13474 if( score_lo < 0 || score_lo >= 100 ) {
13478 if(sec >= 0) time = 600*time + 10*sec; else
13479 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13481 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13483 /* [HGM] PV time: now locate end of PV info */
13484 while( *++sep >= '0' && *sep <= '9'); // strip depth
13486 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13488 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13490 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13491 while(*sep == ' ') sep++;
13502 pvInfoList[index-1].depth = depth;
13503 pvInfoList[index-1].score = score;
13504 pvInfoList[index-1].time = 10*time; // centi-sec
13505 if(*sep == '}') *sep = 0; else *--sep = '{';
13506 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13512 SendToProgram(message, cps)
13514 ChessProgramState *cps;
13516 int count, outCount, error;
13519 if (cps->pr == NULL) return;
13522 if (appData.debugMode) {
13525 fprintf(debugFP, "%ld >%-6s: %s",
13526 SubtractTimeMarks(&now, &programStartTime),
13527 cps->which, message);
13530 count = strlen(message);
13531 outCount = OutputToProcess(cps->pr, message, count, &error);
13532 if (outCount < count && !exiting
13533 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13534 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13535 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13536 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13537 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13538 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13540 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13542 gameInfo.resultDetails = StrSave(buf);
13544 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13549 ReceiveFromProgram(isr, closure, message, count, error)
13550 InputSourceRef isr;
13558 ChessProgramState *cps = (ChessProgramState *)closure;
13560 if (isr != cps->isr) return; /* Killed intentionally */
13563 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13564 cps->which, cps->program);
13565 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13566 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13567 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13568 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13570 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13572 gameInfo.resultDetails = StrSave(buf);
13574 RemoveInputSource(cps->isr);
13575 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13577 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13578 cps->which, cps->program);
13579 RemoveInputSource(cps->isr);
13581 /* [AS] Program is misbehaving badly... kill it */
13582 if( count == -2 ) {
13583 DestroyChildProcess( cps->pr, 9 );
13587 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13592 if ((end_str = strchr(message, '\r')) != NULL)
13593 *end_str = NULLCHAR;
13594 if ((end_str = strchr(message, '\n')) != NULL)
13595 *end_str = NULLCHAR;
13597 if (appData.debugMode) {
13598 TimeMark now; int print = 1;
13599 char *quote = ""; char c; int i;
13601 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13602 char start = message[0];
13603 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13604 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13605 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13606 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13607 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13608 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13609 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13610 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13611 sscanf(message, "hint: %c", &c)!=1 &&
13612 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13613 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13614 print = (appData.engineComments >= 2);
13616 message[0] = start; // restore original message
13620 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13621 SubtractTimeMarks(&now, &programStartTime), cps->which,
13627 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13628 if (appData.icsEngineAnalyze) {
13629 if (strstr(message, "whisper") != NULL ||
13630 strstr(message, "kibitz") != NULL ||
13631 strstr(message, "tellics") != NULL) return;
13634 HandleMachineMove(message, cps);
13639 SendTimeControl(cps, mps, tc, inc, sd, st)
13640 ChessProgramState *cps;
13641 int mps, inc, sd, st;
13647 if( timeControl_2 > 0 ) {
13648 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13649 tc = timeControl_2;
13652 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13653 inc /= cps->timeOdds;
13654 st /= cps->timeOdds;
13656 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13659 /* Set exact time per move, normally using st command */
13660 if (cps->stKludge) {
13661 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13663 if (seconds == 0) {
13664 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13666 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13669 snprintf(buf, MSG_SIZ, "st %d\n", st);
13672 /* Set conventional or incremental time control, using level command */
13673 if (seconds == 0) {
13674 /* Note old gnuchess bug -- minutes:seconds used to not work.
13675 Fixed in later versions, but still avoid :seconds
13676 when seconds is 0. */
13677 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13679 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13680 seconds, inc/1000.);
13683 SendToProgram(buf, cps);
13685 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13686 /* Orthogonally, limit search to given depth */
13688 if (cps->sdKludge) {
13689 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13691 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13693 SendToProgram(buf, cps);
13696 if(cps->nps > 0) { /* [HGM] nps */
13697 if(cps->supportsNPS == FALSE)
13698 cps->nps = -1; // don't use if engine explicitly says not supported!
13700 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13701 SendToProgram(buf, cps);
13706 ChessProgramState *WhitePlayer()
13707 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13709 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13710 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13716 SendTimeRemaining(cps, machineWhite)
13717 ChessProgramState *cps;
13718 int /*boolean*/ machineWhite;
13720 char message[MSG_SIZ];
13723 /* Note: this routine must be called when the clocks are stopped
13724 or when they have *just* been set or switched; otherwise
13725 it will be off by the time since the current tick started.
13727 if (machineWhite) {
13728 time = whiteTimeRemaining / 10;
13729 otime = blackTimeRemaining / 10;
13731 time = blackTimeRemaining / 10;
13732 otime = whiteTimeRemaining / 10;
13734 /* [HGM] translate opponent's time by time-odds factor */
13735 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13736 if (appData.debugMode) {
13737 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13740 if (time <= 0) time = 1;
13741 if (otime <= 0) otime = 1;
13743 snprintf(message, MSG_SIZ, "time %ld\n", time);
13744 SendToProgram(message, cps);
13746 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13747 SendToProgram(message, cps);
13751 BoolFeature(p, name, loc, cps)
13755 ChessProgramState *cps;
13758 int len = strlen(name);
13761 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13763 sscanf(*p, "%d", &val);
13765 while (**p && **p != ' ')
13767 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13768 SendToProgram(buf, cps);
13775 IntFeature(p, name, loc, cps)
13779 ChessProgramState *cps;
13782 int len = strlen(name);
13783 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13785 sscanf(*p, "%d", loc);
13786 while (**p && **p != ' ') (*p)++;
13787 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13788 SendToProgram(buf, cps);
13795 StringFeature(p, name, loc, cps)
13799 ChessProgramState *cps;
13802 int len = strlen(name);
13803 if (strncmp((*p), name, len) == 0
13804 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13806 sscanf(*p, "%[^\"]", loc);
13807 while (**p && **p != '\"') (*p)++;
13808 if (**p == '\"') (*p)++;
13809 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13810 SendToProgram(buf, cps);
13817 ParseOption(Option *opt, ChessProgramState *cps)
13818 // [HGM] options: process the string that defines an engine option, and determine
13819 // name, type, default value, and allowed value range
13821 char *p, *q, buf[MSG_SIZ];
13822 int n, min = (-1)<<31, max = 1<<31, def;
13824 if(p = strstr(opt->name, " -spin ")) {
13825 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13826 if(max < min) max = min; // enforce consistency
13827 if(def < min) def = min;
13828 if(def > max) def = max;
13833 } else if((p = strstr(opt->name, " -slider "))) {
13834 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13835 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13836 if(max < min) max = min; // enforce consistency
13837 if(def < min) def = min;
13838 if(def > max) def = max;
13842 opt->type = Spin; // Slider;
13843 } else if((p = strstr(opt->name, " -string "))) {
13844 opt->textValue = p+9;
13845 opt->type = TextBox;
13846 } else if((p = strstr(opt->name, " -file "))) {
13847 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13848 opt->textValue = p+7;
13849 opt->type = TextBox; // FileName;
13850 } else if((p = strstr(opt->name, " -path "))) {
13851 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13852 opt->textValue = p+7;
13853 opt->type = TextBox; // PathName;
13854 } else if(p = strstr(opt->name, " -check ")) {
13855 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13856 opt->value = (def != 0);
13857 opt->type = CheckBox;
13858 } else if(p = strstr(opt->name, " -combo ")) {
13859 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13860 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13861 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13862 opt->value = n = 0;
13863 while(q = StrStr(q, " /// ")) {
13864 n++; *q = 0; // count choices, and null-terminate each of them
13866 if(*q == '*') { // remember default, which is marked with * prefix
13870 cps->comboList[cps->comboCnt++] = q;
13872 cps->comboList[cps->comboCnt++] = NULL;
13874 opt->type = ComboBox;
13875 } else if(p = strstr(opt->name, " -button")) {
13876 opt->type = Button;
13877 } else if(p = strstr(opt->name, " -save")) {
13878 opt->type = SaveButton;
13879 } else return FALSE;
13880 *p = 0; // terminate option name
13881 // now look if the command-line options define a setting for this engine option.
13882 if(cps->optionSettings && cps->optionSettings[0])
13883 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13884 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13885 snprintf(buf, MSG_SIZ, "option %s", p);
13886 if(p = strstr(buf, ",")) *p = 0;
13887 if(q = strchr(buf, '=')) switch(opt->type) {
13889 for(n=0; n<opt->max; n++)
13890 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13893 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13897 opt->value = atoi(q+1);
13902 SendToProgram(buf, cps);
13908 FeatureDone(cps, val)
13909 ChessProgramState* cps;
13912 DelayedEventCallback cb = GetDelayedEvent();
13913 if ((cb == InitBackEnd3 && cps == &first) ||
13914 (cb == SettingsMenuIfReady && cps == &second) ||
13915 (cb == TwoMachinesEventIfReady && cps == &second)) {
13916 CancelDelayedEvent();
13917 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13919 cps->initDone = val;
13922 /* Parse feature command from engine */
13924 ParseFeatures(args, cps)
13926 ChessProgramState *cps;
13934 while (*p == ' ') p++;
13935 if (*p == NULLCHAR) return;
13937 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13938 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13939 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13940 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13941 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13942 if (BoolFeature(&p, "reuse", &val, cps)) {
13943 /* Engine can disable reuse, but can't enable it if user said no */
13944 if (!val) cps->reuse = FALSE;
13947 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13948 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13949 if (gameMode == TwoMachinesPlay) {
13950 DisplayTwoMachinesTitle();
13956 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13957 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13958 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13959 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13960 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13961 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13962 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13963 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13964 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13965 if (IntFeature(&p, "done", &val, cps)) {
13966 FeatureDone(cps, val);
13969 /* Added by Tord: */
13970 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13971 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13972 /* End of additions by Tord */
13974 /* [HGM] added features: */
13975 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13976 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13977 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13978 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13979 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13980 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13981 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13982 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13983 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13984 SendToProgram(buf, cps);
13987 if(cps->nrOptions >= MAX_OPTIONS) {
13989 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13990 DisplayError(buf, 0);
13994 /* End of additions by HGM */
13996 /* unknown feature: complain and skip */
13998 while (*q && *q != '=') q++;
13999 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14000 SendToProgram(buf, cps);
14006 while (*p && *p != '\"') p++;
14007 if (*p == '\"') p++;
14009 while (*p && *p != ' ') p++;
14017 PeriodicUpdatesEvent(newState)
14020 if (newState == appData.periodicUpdates)
14023 appData.periodicUpdates=newState;
14025 /* Display type changes, so update it now */
14026 // DisplayAnalysis();
14028 /* Get the ball rolling again... */
14030 AnalysisPeriodicEvent(1);
14031 StartAnalysisClock();
14036 PonderNextMoveEvent(newState)
14039 if (newState == appData.ponderNextMove) return;
14040 if (gameMode == EditPosition) EditPositionDone(TRUE);
14042 SendToProgram("hard\n", &first);
14043 if (gameMode == TwoMachinesPlay) {
14044 SendToProgram("hard\n", &second);
14047 SendToProgram("easy\n", &first);
14048 thinkOutput[0] = NULLCHAR;
14049 if (gameMode == TwoMachinesPlay) {
14050 SendToProgram("easy\n", &second);
14053 appData.ponderNextMove = newState;
14057 NewSettingEvent(option, feature, command, value)
14059 int option, value, *feature;
14063 if (gameMode == EditPosition) EditPositionDone(TRUE);
14064 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14065 if(feature == NULL || *feature) SendToProgram(buf, &first);
14066 if (gameMode == TwoMachinesPlay) {
14067 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14072 ShowThinkingEvent()
14073 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14075 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14076 int newState = appData.showThinking
14077 // [HGM] thinking: other features now need thinking output as well
14078 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14080 if (oldState == newState) return;
14081 oldState = newState;
14082 if (gameMode == EditPosition) EditPositionDone(TRUE);
14084 SendToProgram("post\n", &first);
14085 if (gameMode == TwoMachinesPlay) {
14086 SendToProgram("post\n", &second);
14089 SendToProgram("nopost\n", &first);
14090 thinkOutput[0] = NULLCHAR;
14091 if (gameMode == TwoMachinesPlay) {
14092 SendToProgram("nopost\n", &second);
14095 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14099 AskQuestionEvent(title, question, replyPrefix, which)
14100 char *title; char *question; char *replyPrefix; char *which;
14102 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14103 if (pr == NoProc) return;
14104 AskQuestion(title, question, replyPrefix, pr);
14108 DisplayMove(moveNumber)
14111 char message[MSG_SIZ];
14113 char cpThinkOutput[MSG_SIZ];
14115 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14117 if (moveNumber == forwardMostMove - 1 ||
14118 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14120 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14122 if (strchr(cpThinkOutput, '\n')) {
14123 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14126 *cpThinkOutput = NULLCHAR;
14129 /* [AS] Hide thinking from human user */
14130 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14131 *cpThinkOutput = NULLCHAR;
14132 if( thinkOutput[0] != NULLCHAR ) {
14135 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14136 cpThinkOutput[i] = '.';
14138 cpThinkOutput[i] = NULLCHAR;
14139 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14143 if (moveNumber == forwardMostMove - 1 &&
14144 gameInfo.resultDetails != NULL) {
14145 if (gameInfo.resultDetails[0] == NULLCHAR) {
14146 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14148 snprintf(res, MSG_SIZ, " {%s} %s",
14149 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14155 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14156 DisplayMessage(res, cpThinkOutput);
14158 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14159 WhiteOnMove(moveNumber) ? " " : ".. ",
14160 parseList[moveNumber], res);
14161 DisplayMessage(message, cpThinkOutput);
14166 DisplayComment(moveNumber, text)
14170 char title[MSG_SIZ];
14171 char buf[8000]; // comment can be long!
14174 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14175 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14177 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14178 WhiteOnMove(moveNumber) ? " " : ".. ",
14179 parseList[moveNumber]);
14181 // [HGM] PV info: display PV info together with (or as) comment
14182 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14183 if(text == NULL) text = "";
14184 score = pvInfoList[moveNumber].score;
14185 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14186 depth, (pvInfoList[moveNumber].time+50)/100, text);
14189 if (text != NULL && (appData.autoDisplayComment || commentUp))
14190 CommentPopUp(title, text);
14193 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14194 * might be busy thinking or pondering. It can be omitted if your
14195 * gnuchess is configured to stop thinking immediately on any user
14196 * input. However, that gnuchess feature depends on the FIONREAD
14197 * ioctl, which does not work properly on some flavors of Unix.
14201 ChessProgramState *cps;
14204 if (!cps->useSigint) return;
14205 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14206 switch (gameMode) {
14207 case MachinePlaysWhite:
14208 case MachinePlaysBlack:
14209 case TwoMachinesPlay:
14210 case IcsPlayingWhite:
14211 case IcsPlayingBlack:
14214 /* Skip if we know it isn't thinking */
14215 if (!cps->maybeThinking) return;
14216 if (appData.debugMode)
14217 fprintf(debugFP, "Interrupting %s\n", cps->which);
14218 InterruptChildProcess(cps->pr);
14219 cps->maybeThinking = FALSE;
14224 #endif /*ATTENTION*/
14230 if (whiteTimeRemaining <= 0) {
14233 if (appData.icsActive) {
14234 if (appData.autoCallFlag &&
14235 gameMode == IcsPlayingBlack && !blackFlag) {
14236 SendToICS(ics_prefix);
14237 SendToICS("flag\n");
14241 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14243 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14244 if (appData.autoCallFlag) {
14245 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14252 if (blackTimeRemaining <= 0) {
14255 if (appData.icsActive) {
14256 if (appData.autoCallFlag &&
14257 gameMode == IcsPlayingWhite && !whiteFlag) {
14258 SendToICS(ics_prefix);
14259 SendToICS("flag\n");
14263 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14265 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14266 if (appData.autoCallFlag) {
14267 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14280 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14281 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14284 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14286 if ( !WhiteOnMove(forwardMostMove) ) {
14287 /* White made time control */
14288 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14289 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14290 /* [HGM] time odds: correct new time quota for time odds! */
14291 / WhitePlayer()->timeOdds;
14292 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14294 lastBlack -= blackTimeRemaining;
14295 /* Black made time control */
14296 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14297 / WhitePlayer()->other->timeOdds;
14298 lastWhite = whiteTimeRemaining;
14303 DisplayBothClocks()
14305 int wom = gameMode == EditPosition ?
14306 !blackPlaysFirst : WhiteOnMove(currentMove);
14307 DisplayWhiteClock(whiteTimeRemaining, wom);
14308 DisplayBlackClock(blackTimeRemaining, !wom);
14312 /* Timekeeping seems to be a portability nightmare. I think everyone
14313 has ftime(), but I'm really not sure, so I'm including some ifdefs
14314 to use other calls if you don't. Clocks will be less accurate if
14315 you have neither ftime nor gettimeofday.
14318 /* VS 2008 requires the #include outside of the function */
14319 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14320 #include <sys/timeb.h>
14323 /* Get the current time as a TimeMark */
14328 #if HAVE_GETTIMEOFDAY
14330 struct timeval timeVal;
14331 struct timezone timeZone;
14333 gettimeofday(&timeVal, &timeZone);
14334 tm->sec = (long) timeVal.tv_sec;
14335 tm->ms = (int) (timeVal.tv_usec / 1000L);
14337 #else /*!HAVE_GETTIMEOFDAY*/
14340 // include <sys/timeb.h> / moved to just above start of function
14341 struct timeb timeB;
14344 tm->sec = (long) timeB.time;
14345 tm->ms = (int) timeB.millitm;
14347 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14348 tm->sec = (long) time(NULL);
14354 /* Return the difference in milliseconds between two
14355 time marks. We assume the difference will fit in a long!
14358 SubtractTimeMarks(tm2, tm1)
14359 TimeMark *tm2, *tm1;
14361 return 1000L*(tm2->sec - tm1->sec) +
14362 (long) (tm2->ms - tm1->ms);
14367 * Code to manage the game clocks.
14369 * In tournament play, black starts the clock and then white makes a move.
14370 * We give the human user a slight advantage if he is playing white---the
14371 * clocks don't run until he makes his first move, so it takes zero time.
14372 * Also, we don't account for network lag, so we could get out of sync
14373 * with GNU Chess's clock -- but then, referees are always right.
14376 static TimeMark tickStartTM;
14377 static long intendedTickLength;
14380 NextTickLength(timeRemaining)
14381 long timeRemaining;
14383 long nominalTickLength, nextTickLength;
14385 if (timeRemaining > 0L && timeRemaining <= 10000L)
14386 nominalTickLength = 100L;
14388 nominalTickLength = 1000L;
14389 nextTickLength = timeRemaining % nominalTickLength;
14390 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14392 return nextTickLength;
14395 /* Adjust clock one minute up or down */
14397 AdjustClock(Boolean which, int dir)
14399 if(which) blackTimeRemaining += 60000*dir;
14400 else whiteTimeRemaining += 60000*dir;
14401 DisplayBothClocks();
14404 /* Stop clocks and reset to a fresh time control */
14408 (void) StopClockTimer();
14409 if (appData.icsActive) {
14410 whiteTimeRemaining = blackTimeRemaining = 0;
14411 } else if (searchTime) {
14412 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14413 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14414 } else { /* [HGM] correct new time quote for time odds */
14415 whiteTC = blackTC = fullTimeControlString;
14416 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14417 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14419 if (whiteFlag || blackFlag) {
14421 whiteFlag = blackFlag = FALSE;
14423 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14424 DisplayBothClocks();
14427 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14429 /* Decrement running clock by amount of time that has passed */
14433 long timeRemaining;
14434 long lastTickLength, fudge;
14437 if (!appData.clockMode) return;
14438 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14442 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14444 /* Fudge if we woke up a little too soon */
14445 fudge = intendedTickLength - lastTickLength;
14446 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14448 if (WhiteOnMove(forwardMostMove)) {
14449 if(whiteNPS >= 0) lastTickLength = 0;
14450 timeRemaining = whiteTimeRemaining -= lastTickLength;
14451 if(timeRemaining < 0 && !appData.icsActive) {
14452 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14453 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14454 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14455 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14458 DisplayWhiteClock(whiteTimeRemaining - fudge,
14459 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14461 if(blackNPS >= 0) lastTickLength = 0;
14462 timeRemaining = blackTimeRemaining -= lastTickLength;
14463 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14464 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14466 blackStartMove = forwardMostMove;
14467 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14470 DisplayBlackClock(blackTimeRemaining - fudge,
14471 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14473 if (CheckFlags()) return;
14476 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14477 StartClockTimer(intendedTickLength);
14479 /* if the time remaining has fallen below the alarm threshold, sound the
14480 * alarm. if the alarm has sounded and (due to a takeback or time control
14481 * with increment) the time remaining has increased to a level above the
14482 * threshold, reset the alarm so it can sound again.
14485 if (appData.icsActive && appData.icsAlarm) {
14487 /* make sure we are dealing with the user's clock */
14488 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14489 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14492 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14493 alarmSounded = FALSE;
14494 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14496 alarmSounded = TRUE;
14502 /* A player has just moved, so stop the previously running
14503 clock and (if in clock mode) start the other one.
14504 We redisplay both clocks in case we're in ICS mode, because
14505 ICS gives us an update to both clocks after every move.
14506 Note that this routine is called *after* forwardMostMove
14507 is updated, so the last fractional tick must be subtracted
14508 from the color that is *not* on move now.
14511 SwitchClocks(int newMoveNr)
14513 long lastTickLength;
14515 int flagged = FALSE;
14519 if (StopClockTimer() && appData.clockMode) {
14520 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14521 if (!WhiteOnMove(forwardMostMove)) {
14522 if(blackNPS >= 0) lastTickLength = 0;
14523 blackTimeRemaining -= lastTickLength;
14524 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14525 // if(pvInfoList[forwardMostMove-1].time == -1)
14526 pvInfoList[forwardMostMove-1].time = // use GUI time
14527 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14529 if(whiteNPS >= 0) lastTickLength = 0;
14530 whiteTimeRemaining -= lastTickLength;
14531 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14532 // if(pvInfoList[forwardMostMove-1].time == -1)
14533 pvInfoList[forwardMostMove-1].time =
14534 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14536 flagged = CheckFlags();
14538 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14539 CheckTimeControl();
14541 if (flagged || !appData.clockMode) return;
14543 switch (gameMode) {
14544 case MachinePlaysBlack:
14545 case MachinePlaysWhite:
14546 case BeginningOfGame:
14547 if (pausing) return;
14551 case PlayFromGameFile:
14559 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14560 if(WhiteOnMove(forwardMostMove))
14561 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14562 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14566 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14567 whiteTimeRemaining : blackTimeRemaining);
14568 StartClockTimer(intendedTickLength);
14572 /* Stop both clocks */
14576 long lastTickLength;
14579 if (!StopClockTimer()) return;
14580 if (!appData.clockMode) return;
14584 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14585 if (WhiteOnMove(forwardMostMove)) {
14586 if(whiteNPS >= 0) lastTickLength = 0;
14587 whiteTimeRemaining -= lastTickLength;
14588 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14590 if(blackNPS >= 0) lastTickLength = 0;
14591 blackTimeRemaining -= lastTickLength;
14592 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14597 /* Start clock of player on move. Time may have been reset, so
14598 if clock is already running, stop and restart it. */
14602 (void) StopClockTimer(); /* in case it was running already */
14603 DisplayBothClocks();
14604 if (CheckFlags()) return;
14606 if (!appData.clockMode) return;
14607 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14609 GetTimeMark(&tickStartTM);
14610 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14611 whiteTimeRemaining : blackTimeRemaining);
14613 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14614 whiteNPS = blackNPS = -1;
14615 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14616 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14617 whiteNPS = first.nps;
14618 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14619 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14620 blackNPS = first.nps;
14621 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14622 whiteNPS = second.nps;
14623 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14624 blackNPS = second.nps;
14625 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14627 StartClockTimer(intendedTickLength);
14634 long second, minute, hour, day;
14636 static char buf[32];
14638 if (ms > 0 && ms <= 9900) {
14639 /* convert milliseconds to tenths, rounding up */
14640 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14642 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14646 /* convert milliseconds to seconds, rounding up */
14647 /* use floating point to avoid strangeness of integer division
14648 with negative dividends on many machines */
14649 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14656 day = second / (60 * 60 * 24);
14657 second = second % (60 * 60 * 24);
14658 hour = second / (60 * 60);
14659 second = second % (60 * 60);
14660 minute = second / 60;
14661 second = second % 60;
14664 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14665 sign, day, hour, minute, second);
14667 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14669 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14676 * This is necessary because some C libraries aren't ANSI C compliant yet.
14679 StrStr(string, match)
14680 char *string, *match;
14684 length = strlen(match);
14686 for (i = strlen(string) - length; i >= 0; i--, string++)
14687 if (!strncmp(match, string, length))
14694 StrCaseStr(string, match)
14695 char *string, *match;
14699 length = strlen(match);
14701 for (i = strlen(string) - length; i >= 0; i--, string++) {
14702 for (j = 0; j < length; j++) {
14703 if (ToLower(match[j]) != ToLower(string[j]))
14706 if (j == length) return string;
14720 c1 = ToLower(*s1++);
14721 c2 = ToLower(*s2++);
14722 if (c1 > c2) return 1;
14723 if (c1 < c2) return -1;
14724 if (c1 == NULLCHAR) return 0;
14733 return isupper(c) ? tolower(c) : c;
14741 return islower(c) ? toupper(c) : c;
14743 #endif /* !_amigados */
14751 if ((ret = (char *) malloc(strlen(s) + 1)))
14753 safeStrCpy(ret, s, strlen(s)+1);
14759 StrSavePtr(s, savePtr)
14760 char *s, **savePtr;
14765 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14766 safeStrCpy(*savePtr, s, strlen(s)+1);
14778 clock = time((time_t *)NULL);
14779 tm = localtime(&clock);
14780 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14781 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14782 return StrSave(buf);
14787 PositionToFEN(move, overrideCastling)
14789 char *overrideCastling;
14791 int i, j, fromX, fromY, toX, toY;
14798 whiteToPlay = (gameMode == EditPosition) ?
14799 !blackPlaysFirst : (move % 2 == 0);
14802 /* Piece placement data */
14803 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14805 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14806 if (boards[move][i][j] == EmptySquare) {
14808 } else { ChessSquare piece = boards[move][i][j];
14809 if (emptycount > 0) {
14810 if(emptycount<10) /* [HGM] can be >= 10 */
14811 *p++ = '0' + emptycount;
14812 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14815 if(PieceToChar(piece) == '+') {
14816 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14818 piece = (ChessSquare)(DEMOTED piece);
14820 *p++ = PieceToChar(piece);
14822 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14823 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14828 if (emptycount > 0) {
14829 if(emptycount<10) /* [HGM] can be >= 10 */
14830 *p++ = '0' + emptycount;
14831 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14838 /* [HGM] print Crazyhouse or Shogi holdings */
14839 if( gameInfo.holdingsWidth ) {
14840 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14842 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14843 piece = boards[move][i][BOARD_WIDTH-1];
14844 if( piece != EmptySquare )
14845 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14846 *p++ = PieceToChar(piece);
14848 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14849 piece = boards[move][BOARD_HEIGHT-i-1][0];
14850 if( piece != EmptySquare )
14851 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14852 *p++ = PieceToChar(piece);
14855 if( q == p ) *p++ = '-';
14861 *p++ = whiteToPlay ? 'w' : 'b';
14864 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14865 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14867 if(nrCastlingRights) {
14869 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14870 /* [HGM] write directly from rights */
14871 if(boards[move][CASTLING][2] != NoRights &&
14872 boards[move][CASTLING][0] != NoRights )
14873 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14874 if(boards[move][CASTLING][2] != NoRights &&
14875 boards[move][CASTLING][1] != NoRights )
14876 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14877 if(boards[move][CASTLING][5] != NoRights &&
14878 boards[move][CASTLING][3] != NoRights )
14879 *p++ = boards[move][CASTLING][3] + AAA;
14880 if(boards[move][CASTLING][5] != NoRights &&
14881 boards[move][CASTLING][4] != NoRights )
14882 *p++ = boards[move][CASTLING][4] + AAA;
14885 /* [HGM] write true castling rights */
14886 if( nrCastlingRights == 6 ) {
14887 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14888 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14889 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14890 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14891 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14892 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14893 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14894 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14897 if (q == p) *p++ = '-'; /* No castling rights */
14901 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14902 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14903 /* En passant target square */
14904 if (move > backwardMostMove) {
14905 fromX = moveList[move - 1][0] - AAA;
14906 fromY = moveList[move - 1][1] - ONE;
14907 toX = moveList[move - 1][2] - AAA;
14908 toY = moveList[move - 1][3] - ONE;
14909 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14910 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14911 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14913 /* 2-square pawn move just happened */
14915 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14919 } else if(move == backwardMostMove) {
14920 // [HGM] perhaps we should always do it like this, and forget the above?
14921 if((signed char)boards[move][EP_STATUS] >= 0) {
14922 *p++ = boards[move][EP_STATUS] + AAA;
14923 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14934 /* [HGM] find reversible plies */
14935 { int i = 0, j=move;
14937 if (appData.debugMode) { int k;
14938 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14939 for(k=backwardMostMove; k<=forwardMostMove; k++)
14940 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14944 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14945 if( j == backwardMostMove ) i += initialRulePlies;
14946 sprintf(p, "%d ", i);
14947 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14949 /* Fullmove number */
14950 sprintf(p, "%d", (move / 2) + 1);
14952 return StrSave(buf);
14956 ParseFEN(board, blackPlaysFirst, fen)
14958 int *blackPlaysFirst;
14968 /* [HGM] by default clear Crazyhouse holdings, if present */
14969 if(gameInfo.holdingsWidth) {
14970 for(i=0; i<BOARD_HEIGHT; i++) {
14971 board[i][0] = EmptySquare; /* black holdings */
14972 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14973 board[i][1] = (ChessSquare) 0; /* black counts */
14974 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14978 /* Piece placement data */
14979 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14982 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14983 if (*p == '/') p++;
14984 emptycount = gameInfo.boardWidth - j;
14985 while (emptycount--)
14986 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14988 #if(BOARD_FILES >= 10)
14989 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14990 p++; emptycount=10;
14991 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14992 while (emptycount--)
14993 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14995 } else if (isdigit(*p)) {
14996 emptycount = *p++ - '0';
14997 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
14998 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14999 while (emptycount--)
15000 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15001 } else if (*p == '+' || isalpha(*p)) {
15002 if (j >= gameInfo.boardWidth) return FALSE;
15004 piece = CharToPiece(*++p);
15005 if(piece == EmptySquare) return FALSE; /* unknown piece */
15006 piece = (ChessSquare) (PROMOTED piece ); p++;
15007 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15008 } else piece = CharToPiece(*p++);
15010 if(piece==EmptySquare) return FALSE; /* unknown piece */
15011 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15012 piece = (ChessSquare) (PROMOTED piece);
15013 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15016 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15022 while (*p == '/' || *p == ' ') p++;
15024 /* [HGM] look for Crazyhouse holdings here */
15025 while(*p==' ') p++;
15026 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15028 if(*p == '-' ) p++; /* empty holdings */ else {
15029 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15030 /* if we would allow FEN reading to set board size, we would */
15031 /* have to add holdings and shift the board read so far here */
15032 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15034 if((int) piece >= (int) BlackPawn ) {
15035 i = (int)piece - (int)BlackPawn;
15036 i = PieceToNumber((ChessSquare)i);
15037 if( i >= gameInfo.holdingsSize ) return FALSE;
15038 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15039 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15041 i = (int)piece - (int)WhitePawn;
15042 i = PieceToNumber((ChessSquare)i);
15043 if( i >= gameInfo.holdingsSize ) return FALSE;
15044 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15045 board[i][BOARD_WIDTH-2]++; /* black holdings */
15052 while(*p == ' ') p++;
15056 if(appData.colorNickNames) {
15057 if( c == appData.colorNickNames[0] ) c = 'w'; else
15058 if( c == appData.colorNickNames[1] ) c = 'b';
15062 *blackPlaysFirst = FALSE;
15065 *blackPlaysFirst = TRUE;
15071 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15072 /* return the extra info in global variiables */
15074 /* set defaults in case FEN is incomplete */
15075 board[EP_STATUS] = EP_UNKNOWN;
15076 for(i=0; i<nrCastlingRights; i++ ) {
15077 board[CASTLING][i] =
15078 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15079 } /* assume possible unless obviously impossible */
15080 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15081 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15082 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15083 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15084 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15085 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15086 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15087 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15090 while(*p==' ') p++;
15091 if(nrCastlingRights) {
15092 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15093 /* castling indicator present, so default becomes no castlings */
15094 for(i=0; i<nrCastlingRights; i++ ) {
15095 board[CASTLING][i] = NoRights;
15098 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15099 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15100 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15101 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15102 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15104 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15105 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15106 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15108 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15109 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15110 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15111 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15112 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15113 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15116 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15117 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15118 board[CASTLING][2] = whiteKingFile;
15121 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15122 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15123 board[CASTLING][2] = whiteKingFile;
15126 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15127 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15128 board[CASTLING][5] = blackKingFile;
15131 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15132 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15133 board[CASTLING][5] = blackKingFile;
15136 default: /* FRC castlings */
15137 if(c >= 'a') { /* black rights */
15138 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15139 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15140 if(i == BOARD_RGHT) break;
15141 board[CASTLING][5] = i;
15143 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15144 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15146 board[CASTLING][3] = c;
15148 board[CASTLING][4] = c;
15149 } else { /* white rights */
15150 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15151 if(board[0][i] == WhiteKing) break;
15152 if(i == BOARD_RGHT) break;
15153 board[CASTLING][2] = i;
15154 c -= AAA - 'a' + 'A';
15155 if(board[0][c] >= WhiteKing) break;
15157 board[CASTLING][0] = c;
15159 board[CASTLING][1] = c;
15163 for(i=0; i<nrCastlingRights; i++)
15164 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15165 if (appData.debugMode) {
15166 fprintf(debugFP, "FEN castling rights:");
15167 for(i=0; i<nrCastlingRights; i++)
15168 fprintf(debugFP, " %d", board[CASTLING][i]);
15169 fprintf(debugFP, "\n");
15172 while(*p==' ') p++;
15175 /* read e.p. field in games that know e.p. capture */
15176 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15177 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15179 p++; board[EP_STATUS] = EP_NONE;
15181 char c = *p++ - AAA;
15183 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15184 if(*p >= '0' && *p <='9') p++;
15185 board[EP_STATUS] = c;
15190 if(sscanf(p, "%d", &i) == 1) {
15191 FENrulePlies = i; /* 50-move ply counter */
15192 /* (The move number is still ignored) */
15199 EditPositionPasteFEN(char *fen)
15202 Board initial_position;
15204 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15205 DisplayError(_("Bad FEN position in clipboard"), 0);
15208 int savedBlackPlaysFirst = blackPlaysFirst;
15209 EditPositionEvent();
15210 blackPlaysFirst = savedBlackPlaysFirst;
15211 CopyBoard(boards[0], initial_position);
15212 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15213 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15214 DisplayBothClocks();
15215 DrawPosition(FALSE, boards[currentMove]);
15220 static char cseq[12] = "\\ ";
15222 Boolean set_cont_sequence(char *new_seq)
15227 // handle bad attempts to set the sequence
15229 return 0; // acceptable error - no debug
15231 len = strlen(new_seq);
15232 ret = (len > 0) && (len < sizeof(cseq));
15234 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15235 else if (appData.debugMode)
15236 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15241 reformat a source message so words don't cross the width boundary. internal
15242 newlines are not removed. returns the wrapped size (no null character unless
15243 included in source message). If dest is NULL, only calculate the size required
15244 for the dest buffer. lp argument indicats line position upon entry, and it's
15245 passed back upon exit.
15247 int wrap(char *dest, char *src, int count, int width, int *lp)
15249 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15251 cseq_len = strlen(cseq);
15252 old_line = line = *lp;
15253 ansi = len = clen = 0;
15255 for (i=0; i < count; i++)
15257 if (src[i] == '\033')
15260 // if we hit the width, back up
15261 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15263 // store i & len in case the word is too long
15264 old_i = i, old_len = len;
15266 // find the end of the last word
15267 while (i && src[i] != ' ' && src[i] != '\n')
15273 // word too long? restore i & len before splitting it
15274 if ((old_i-i+clen) >= width)
15281 if (i && src[i-1] == ' ')
15284 if (src[i] != ' ' && src[i] != '\n')
15291 // now append the newline and continuation sequence
15296 strncpy(dest+len, cseq, cseq_len);
15304 dest[len] = src[i];
15308 if (src[i] == '\n')
15313 if (dest && appData.debugMode)
15315 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15316 count, width, line, len, *lp);
15317 show_bytes(debugFP, src, count);
15318 fprintf(debugFP, "\ndest: ");
15319 show_bytes(debugFP, dest, len);
15320 fprintf(debugFP, "\n");
15322 *lp = dest ? line : old_line;
15327 // [HGM] vari: routines for shelving variations
15330 PushTail(int firstMove, int lastMove)
15332 int i, j, nrMoves = lastMove - firstMove;
15334 if(appData.icsActive) { // only in local mode
15335 forwardMostMove = currentMove; // mimic old ICS behavior
15338 if(storedGames >= MAX_VARIATIONS-1) return;
15340 // push current tail of game on stack
15341 savedResult[storedGames] = gameInfo.result;
15342 savedDetails[storedGames] = gameInfo.resultDetails;
15343 gameInfo.resultDetails = NULL;
15344 savedFirst[storedGames] = firstMove;
15345 savedLast [storedGames] = lastMove;
15346 savedFramePtr[storedGames] = framePtr;
15347 framePtr -= nrMoves; // reserve space for the boards
15348 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15349 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15350 for(j=0; j<MOVE_LEN; j++)
15351 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15352 for(j=0; j<2*MOVE_LEN; j++)
15353 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15354 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15355 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15356 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15357 pvInfoList[firstMove+i-1].depth = 0;
15358 commentList[framePtr+i] = commentList[firstMove+i];
15359 commentList[firstMove+i] = NULL;
15363 forwardMostMove = firstMove; // truncate game so we can start variation
15364 if(storedGames == 1) GreyRevert(FALSE);
15368 PopTail(Boolean annotate)
15371 char buf[8000], moveBuf[20];
15373 if(appData.icsActive) return FALSE; // only in local mode
15374 if(!storedGames) return FALSE; // sanity
15375 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15378 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15379 nrMoves = savedLast[storedGames] - currentMove;
15382 if(!WhiteOnMove(currentMove))
15383 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15384 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15385 for(i=currentMove; i<forwardMostMove; i++) {
15387 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15388 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15389 strcat(buf, moveBuf);
15390 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15391 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15395 for(i=1; i<=nrMoves; i++) { // copy last variation back
15396 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15397 for(j=0; j<MOVE_LEN; j++)
15398 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15399 for(j=0; j<2*MOVE_LEN; j++)
15400 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15401 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15402 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15403 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15404 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15405 commentList[currentMove+i] = commentList[framePtr+i];
15406 commentList[framePtr+i] = NULL;
15408 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15409 framePtr = savedFramePtr[storedGames];
15410 gameInfo.result = savedResult[storedGames];
15411 if(gameInfo.resultDetails != NULL) {
15412 free(gameInfo.resultDetails);
15414 gameInfo.resultDetails = savedDetails[storedGames];
15415 forwardMostMove = currentMove + nrMoves;
15416 if(storedGames == 0) GreyRevert(TRUE);
15422 { // remove all shelved variations
15424 for(i=0; i<storedGames; i++) {
15425 if(savedDetails[i])
15426 free(savedDetails[i]);
15427 savedDetails[i] = NULL;
15429 for(i=framePtr; i<MAX_MOVES; i++) {
15430 if(commentList[i]) free(commentList[i]);
15431 commentList[i] = NULL;
15433 framePtr = MAX_MOVES-1;
15438 LoadVariation(int index, char *text)
15439 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15440 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15441 int level = 0, move;
15443 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15444 // first find outermost bracketing variation
15445 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15446 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15447 if(*p == '{') wait = '}'; else
15448 if(*p == '[') wait = ']'; else
15449 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15450 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15452 if(*p == wait) wait = NULLCHAR; // closing ]} found
15455 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15456 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15457 end[1] = NULLCHAR; // clip off comment beyond variation
15458 ToNrEvent(currentMove-1);
15459 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15460 // kludge: use ParsePV() to append variation to game
15461 move = currentMove;
15462 ParsePV(start, TRUE);
15463 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15464 ClearPremoveHighlights();
15466 ToNrEvent(currentMove+1);