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 // Treat Lance as Pawn when it is not representing Amazon
5672 if(gameInfo.variant != VariantSuper) {
5673 if(piece == WhiteLance) piece = WhitePawn; else
5674 if(piece == BlackLance) piece = BlackPawn;
5677 // next weed out all moves that do not touch the promotion zone at all
5678 if((int)piece >= BlackPawn) {
5679 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5681 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5683 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5684 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5687 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5689 // weed out mandatory Shogi promotions
5690 if(gameInfo.variant == VariantShogi) {
5691 if(piece >= BlackPawn) {
5692 if(toY == 0 && piece == BlackPawn ||
5693 toY == 0 && piece == BlackQueen ||
5694 toY <= 1 && piece == BlackKnight) {
5699 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5700 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5701 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5708 // weed out obviously illegal Pawn moves
5709 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5710 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5711 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5712 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5713 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5714 // note we are not allowed to test for valid (non-)capture, due to premove
5717 // we either have a choice what to promote to, or (in Shogi) whether to promote
5718 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5719 *promoChoice = PieceToChar(BlackFerz); // no choice
5722 // no sense asking what we must promote to if it is going to explode...
5723 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5724 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5727 if(autoQueen) { // predetermined
5728 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5729 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5730 else *promoChoice = PieceToChar(BlackQueen);
5734 // suppress promotion popup on illegal moves that are not premoves
5735 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5736 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5737 if(appData.testLegality && !premove) {
5738 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5739 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5740 if(moveType != WhitePromotion && moveType != BlackPromotion)
5748 InPalace(row, column)
5750 { /* [HGM] for Xiangqi */
5751 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5752 column < (BOARD_WIDTH + 4)/2 &&
5753 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5758 PieceForSquare (x, y)
5762 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5765 return boards[currentMove][y][x];
5769 OKToStartUserMove(x, y)
5772 ChessSquare from_piece;
5775 if (matchMode) return FALSE;
5776 if (gameMode == EditPosition) return TRUE;
5778 if (x >= 0 && y >= 0)
5779 from_piece = boards[currentMove][y][x];
5781 from_piece = EmptySquare;
5783 if (from_piece == EmptySquare) return FALSE;
5785 white_piece = (int)from_piece >= (int)WhitePawn &&
5786 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5789 case PlayFromGameFile:
5791 case TwoMachinesPlay:
5799 case MachinePlaysWhite:
5800 case IcsPlayingBlack:
5801 if (appData.zippyPlay) return FALSE;
5803 DisplayMoveError(_("You are playing Black"));
5808 case MachinePlaysBlack:
5809 case IcsPlayingWhite:
5810 if (appData.zippyPlay) return FALSE;
5812 DisplayMoveError(_("You are playing White"));
5818 if (!white_piece && WhiteOnMove(currentMove)) {
5819 DisplayMoveError(_("It is White's turn"));
5822 if (white_piece && !WhiteOnMove(currentMove)) {
5823 DisplayMoveError(_("It is Black's turn"));
5826 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5827 /* Editing correspondence game history */
5828 /* Could disallow this or prompt for confirmation */
5833 case BeginningOfGame:
5834 if (appData.icsActive) return FALSE;
5835 if (!appData.noChessProgram) {
5837 DisplayMoveError(_("You are playing White"));
5844 if (!white_piece && WhiteOnMove(currentMove)) {
5845 DisplayMoveError(_("It is White's turn"));
5848 if (white_piece && !WhiteOnMove(currentMove)) {
5849 DisplayMoveError(_("It is Black's turn"));
5858 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5859 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5860 && gameMode != AnalyzeFile && gameMode != Training) {
5861 DisplayMoveError(_("Displayed position is not current"));
5868 OnlyMove(int *x, int *y, Boolean captures) {
5869 DisambiguateClosure cl;
5870 if (appData.zippyPlay) return FALSE;
5872 case MachinePlaysBlack:
5873 case IcsPlayingWhite:
5874 case BeginningOfGame:
5875 if(!WhiteOnMove(currentMove)) return FALSE;
5877 case MachinePlaysWhite:
5878 case IcsPlayingBlack:
5879 if(WhiteOnMove(currentMove)) return FALSE;
5886 cl.pieceIn = EmptySquare;
5891 cl.promoCharIn = NULLCHAR;
5892 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5893 if( cl.kind == NormalMove ||
5894 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5895 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5896 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5903 if(cl.kind != ImpossibleMove) return FALSE;
5904 cl.pieceIn = EmptySquare;
5909 cl.promoCharIn = NULLCHAR;
5910 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5911 if( cl.kind == NormalMove ||
5912 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5913 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5914 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5919 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5925 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5926 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5927 int lastLoadGameUseList = FALSE;
5928 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5929 ChessMove lastLoadGameStart = EndOfFile;
5932 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5933 int fromX, fromY, toX, toY;
5937 ChessSquare pdown, pup;
5939 /* Check if the user is playing in turn. This is complicated because we
5940 let the user "pick up" a piece before it is his turn. So the piece he
5941 tried to pick up may have been captured by the time he puts it down!
5942 Therefore we use the color the user is supposed to be playing in this
5943 test, not the color of the piece that is currently on the starting
5944 square---except in EditGame mode, where the user is playing both
5945 sides; fortunately there the capture race can't happen. (It can
5946 now happen in IcsExamining mode, but that's just too bad. The user
5947 will get a somewhat confusing message in that case.)
5951 case PlayFromGameFile:
5953 case TwoMachinesPlay:
5957 /* We switched into a game mode where moves are not accepted,
5958 perhaps while the mouse button was down. */
5961 case MachinePlaysWhite:
5962 /* User is moving for Black */
5963 if (WhiteOnMove(currentMove)) {
5964 DisplayMoveError(_("It is White's turn"));
5969 case MachinePlaysBlack:
5970 /* User is moving for White */
5971 if (!WhiteOnMove(currentMove)) {
5972 DisplayMoveError(_("It is Black's turn"));
5979 case BeginningOfGame:
5982 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5983 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5984 /* User is moving for Black */
5985 if (WhiteOnMove(currentMove)) {
5986 DisplayMoveError(_("It is White's turn"));
5990 /* User is moving for White */
5991 if (!WhiteOnMove(currentMove)) {
5992 DisplayMoveError(_("It is Black's turn"));
5998 case IcsPlayingBlack:
5999 /* User is moving for Black */
6000 if (WhiteOnMove(currentMove)) {
6001 if (!appData.premove) {
6002 DisplayMoveError(_("It is White's turn"));
6003 } else if (toX >= 0 && toY >= 0) {
6006 premoveFromX = fromX;
6007 premoveFromY = fromY;
6008 premovePromoChar = promoChar;
6010 if (appData.debugMode)
6011 fprintf(debugFP, "Got premove: fromX %d,"
6012 "fromY %d, toX %d, toY %d\n",
6013 fromX, fromY, toX, toY);
6019 case IcsPlayingWhite:
6020 /* User is moving for White */
6021 if (!WhiteOnMove(currentMove)) {
6022 if (!appData.premove) {
6023 DisplayMoveError(_("It is Black's turn"));
6024 } else if (toX >= 0 && toY >= 0) {
6027 premoveFromX = fromX;
6028 premoveFromY = fromY;
6029 premovePromoChar = promoChar;
6031 if (appData.debugMode)
6032 fprintf(debugFP, "Got premove: fromX %d,"
6033 "fromY %d, toX %d, toY %d\n",
6034 fromX, fromY, toX, toY);
6044 /* EditPosition, empty square, or different color piece;
6045 click-click move is possible */
6046 if (toX == -2 || toY == -2) {
6047 boards[0][fromY][fromX] = EmptySquare;
6048 DrawPosition(FALSE, boards[currentMove]);
6050 } else if (toX >= 0 && toY >= 0) {
6051 boards[0][toY][toX] = boards[0][fromY][fromX];
6052 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6053 if(boards[0][fromY][0] != EmptySquare) {
6054 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6055 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6058 if(fromX == BOARD_RGHT+1) {
6059 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6060 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6061 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6064 boards[0][fromY][fromX] = EmptySquare;
6065 DrawPosition(FALSE, boards[currentMove]);
6071 if(toX < 0 || toY < 0) return;
6072 pdown = boards[currentMove][fromY][fromX];
6073 pup = boards[currentMove][toY][toX];
6075 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6076 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6077 if( pup != EmptySquare ) return;
6078 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6079 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6080 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6081 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6082 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6083 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6084 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6088 /* [HGM] always test for legality, to get promotion info */
6089 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6090 fromY, fromX, toY, toX, promoChar);
6091 /* [HGM] but possibly ignore an IllegalMove result */
6092 if (appData.testLegality) {
6093 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6094 DisplayMoveError(_("Illegal move"));
6099 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6102 /* Common tail of UserMoveEvent and DropMenuEvent */
6104 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6106 int fromX, fromY, toX, toY;
6107 /*char*/int promoChar;
6111 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6112 // [HGM] superchess: suppress promotions to non-available piece
6113 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6114 if(WhiteOnMove(currentMove)) {
6115 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6117 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6121 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6122 move type in caller when we know the move is a legal promotion */
6123 if(moveType == NormalMove && promoChar)
6124 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6126 /* [HGM] <popupFix> The following if has been moved here from
6127 UserMoveEvent(). Because it seemed to belong here (why not allow
6128 piece drops in training games?), and because it can only be
6129 performed after it is known to what we promote. */
6130 if (gameMode == Training) {
6131 /* compare the move played on the board to the next move in the
6132 * game. If they match, display the move and the opponent's response.
6133 * If they don't match, display an error message.
6137 CopyBoard(testBoard, boards[currentMove]);
6138 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6140 if (CompareBoards(testBoard, boards[currentMove+1])) {
6141 ForwardInner(currentMove+1);
6143 /* Autoplay the opponent's response.
6144 * if appData.animate was TRUE when Training mode was entered,
6145 * the response will be animated.
6147 saveAnimate = appData.animate;
6148 appData.animate = animateTraining;
6149 ForwardInner(currentMove+1);
6150 appData.animate = saveAnimate;
6152 /* check for the end of the game */
6153 if (currentMove >= forwardMostMove) {
6154 gameMode = PlayFromGameFile;
6156 SetTrainingModeOff();
6157 DisplayInformation(_("End of game"));
6160 DisplayError(_("Incorrect move"), 0);
6165 /* Ok, now we know that the move is good, so we can kill
6166 the previous line in Analysis Mode */
6167 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6168 && currentMove < forwardMostMove) {
6169 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6170 else forwardMostMove = currentMove;
6173 /* If we need the chess program but it's dead, restart it */
6174 ResurrectChessProgram();
6176 /* A user move restarts a paused game*/
6180 thinkOutput[0] = NULLCHAR;
6182 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6184 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6186 if (gameMode == BeginningOfGame) {
6187 if (appData.noChessProgram) {
6188 gameMode = EditGame;
6192 gameMode = MachinePlaysBlack;
6195 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6197 if (first.sendName) {
6198 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6199 SendToProgram(buf, &first);
6206 /* Relay move to ICS or chess engine */
6207 if (appData.icsActive) {
6208 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6209 gameMode == IcsExamining) {
6210 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6211 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6213 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6215 // also send plain move, in case ICS does not understand atomic claims
6216 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6220 if (first.sendTime && (gameMode == BeginningOfGame ||
6221 gameMode == MachinePlaysWhite ||
6222 gameMode == MachinePlaysBlack)) {
6223 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6225 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6226 // [HGM] book: if program might be playing, let it use book
6227 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6228 first.maybeThinking = TRUE;
6229 } else SendMoveToProgram(forwardMostMove-1, &first);
6230 if (currentMove == cmailOldMove + 1) {
6231 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6235 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6239 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6245 if (WhiteOnMove(currentMove)) {
6246 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6248 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6252 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6257 case MachinePlaysBlack:
6258 case MachinePlaysWhite:
6259 /* disable certain menu options while machine is thinking */
6260 SetMachineThinkingEnables();
6267 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6269 if(bookHit) { // [HGM] book: simulate book reply
6270 static char bookMove[MSG_SIZ]; // a bit generous?
6272 programStats.nodes = programStats.depth = programStats.time =
6273 programStats.score = programStats.got_only_move = 0;
6274 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6276 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6277 strcat(bookMove, bookHit);
6278 HandleMachineMove(bookMove, &first);
6284 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6291 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6292 Markers *m = (Markers *) closure;
6293 if(rf == fromY && ff == fromX)
6294 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6295 || kind == WhiteCapturesEnPassant
6296 || kind == BlackCapturesEnPassant);
6297 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6301 MarkTargetSquares(int clear)
6304 if(!appData.markers || !appData.highlightDragging ||
6305 !appData.testLegality || gameMode == EditPosition) return;
6307 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6310 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6311 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6312 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6314 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6317 DrawPosition(TRUE, NULL);
6321 Explode(Board board, int fromX, int fromY, int toX, int toY)
6323 if(gameInfo.variant == VariantAtomic &&
6324 (board[toY][toX] != EmptySquare || // capture?
6325 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6326 board[fromY][fromX] == BlackPawn )
6328 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6334 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6336 void LeftClick(ClickType clickType, int xPix, int yPix)
6339 Boolean saveAnimate;
6340 static int second = 0, promotionChoice = 0, dragging = 0;
6341 char promoChoice = NULLCHAR;
6343 if(appData.seekGraph && appData.icsActive && loggedOn &&
6344 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6345 SeekGraphClick(clickType, xPix, yPix, 0);
6349 if (clickType == Press) ErrorPopDown();
6350 MarkTargetSquares(1);
6352 x = EventToSquare(xPix, BOARD_WIDTH);
6353 y = EventToSquare(yPix, BOARD_HEIGHT);
6354 if (!flipView && y >= 0) {
6355 y = BOARD_HEIGHT - 1 - y;
6357 if (flipView && x >= 0) {
6358 x = BOARD_WIDTH - 1 - x;
6361 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6362 if(clickType == Release) return; // ignore upclick of click-click destination
6363 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6364 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6365 if(gameInfo.holdingsWidth &&
6366 (WhiteOnMove(currentMove)
6367 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6368 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6369 // click in right holdings, for determining promotion piece
6370 ChessSquare p = boards[currentMove][y][x];
6371 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6372 if(p != EmptySquare) {
6373 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6378 DrawPosition(FALSE, boards[currentMove]);
6382 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6383 if(clickType == Press
6384 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6385 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6386 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6389 autoQueen = appData.alwaysPromoteToQueen;
6392 gatingPiece = EmptySquare;
6393 if (clickType != Press) {
6394 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6395 DragPieceEnd(xPix, yPix); dragging = 0;
6396 DrawPosition(FALSE, NULL);
6400 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6402 if (OKToStartUserMove(x, y)) {
6406 MarkTargetSquares(0);
6407 DragPieceBegin(xPix, yPix); dragging = 1;
6408 if (appData.highlightDragging) {
6409 SetHighlights(x, y, -1, -1);
6417 if (clickType == Press && gameMode != EditPosition) {
6422 // ignore off-board to clicks
6423 if(y < 0 || x < 0) return;
6425 /* Check if clicking again on the same color piece */
6426 fromP = boards[currentMove][fromY][fromX];
6427 toP = boards[currentMove][y][x];
6428 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6429 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6430 WhitePawn <= toP && toP <= WhiteKing &&
6431 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6432 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6433 (BlackPawn <= fromP && fromP <= BlackKing &&
6434 BlackPawn <= toP && toP <= BlackKing &&
6435 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6436 !(fromP == BlackKing && toP == BlackRook && frc))) {
6437 /* Clicked again on same color piece -- changed his mind */
6438 second = (x == fromX && y == fromY);
6439 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6440 if (appData.highlightDragging) {
6441 SetHighlights(x, y, -1, -1);
6445 if (OKToStartUserMove(x, y)) {
6446 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6447 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6448 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6449 gatingPiece = boards[currentMove][fromY][fromX];
6450 else gatingPiece = EmptySquare;
6452 fromY = y; dragging = 1;
6453 MarkTargetSquares(0);
6454 DragPieceBegin(xPix, yPix);
6457 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6460 // ignore clicks on holdings
6461 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6464 if (clickType == Release && x == fromX && y == fromY) {
6465 DragPieceEnd(xPix, yPix); dragging = 0;
6466 if (appData.animateDragging) {
6467 /* Undo animation damage if any */
6468 DrawPosition(FALSE, NULL);
6471 /* Second up/down in same square; just abort move */
6474 gatingPiece = EmptySquare;
6477 ClearPremoveHighlights();
6479 /* First upclick in same square; start click-click mode */
6480 SetHighlights(x, y, -1, -1);
6485 /* we now have a different from- and (possibly off-board) to-square */
6486 /* Completed move */
6489 saveAnimate = appData.animate;
6490 if (clickType == Press) {
6491 /* Finish clickclick move */
6492 if (appData.animate || appData.highlightLastMove) {
6493 SetHighlights(fromX, fromY, toX, toY);
6498 /* Finish drag move */
6499 if (appData.highlightLastMove) {
6500 SetHighlights(fromX, fromY, toX, toY);
6504 DragPieceEnd(xPix, yPix); dragging = 0;
6505 /* Don't animate move and drag both */
6506 appData.animate = FALSE;
6509 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6510 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6511 ChessSquare piece = boards[currentMove][fromY][fromX];
6512 if(gameMode == EditPosition && piece != EmptySquare &&
6513 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6516 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6517 n = PieceToNumber(piece - (int)BlackPawn);
6518 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6519 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6520 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6522 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6523 n = PieceToNumber(piece);
6524 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6525 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6526 boards[currentMove][n][BOARD_WIDTH-2]++;
6528 boards[currentMove][fromY][fromX] = EmptySquare;
6532 DrawPosition(TRUE, boards[currentMove]);
6536 // off-board moves should not be highlighted
6537 if(x < 0 || y < 0) ClearHighlights();
6539 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6541 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6542 SetHighlights(fromX, fromY, toX, toY);
6543 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6544 // [HGM] super: promotion to captured piece selected from holdings
6545 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6546 promotionChoice = TRUE;
6547 // kludge follows to temporarily execute move on display, without promoting yet
6548 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6549 boards[currentMove][toY][toX] = p;
6550 DrawPosition(FALSE, boards[currentMove]);
6551 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6552 boards[currentMove][toY][toX] = q;
6553 DisplayMessage("Click in holdings to choose piece", "");
6558 int oldMove = currentMove;
6559 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6560 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6561 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6562 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6563 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6564 DrawPosition(TRUE, boards[currentMove]);
6567 appData.animate = saveAnimate;
6568 if (appData.animate || appData.animateDragging) {
6569 /* Undo animation damage if needed */
6570 DrawPosition(FALSE, NULL);
6574 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6575 { // front-end-free part taken out of PieceMenuPopup
6576 int whichMenu; int xSqr, ySqr;
6578 if(seekGraphUp) { // [HGM] seekgraph
6579 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6580 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6584 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6585 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6586 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6587 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6588 if(action == Press) {
6589 originalFlip = flipView;
6590 flipView = !flipView; // temporarily flip board to see game from partners perspective
6591 DrawPosition(TRUE, partnerBoard);
6592 DisplayMessage(partnerStatus, "");
6594 } else if(action == Release) {
6595 flipView = originalFlip;
6596 DrawPosition(TRUE, boards[currentMove]);
6602 xSqr = EventToSquare(x, BOARD_WIDTH);
6603 ySqr = EventToSquare(y, BOARD_HEIGHT);
6604 if (action == Release) UnLoadPV(); // [HGM] pv
6605 if (action != Press) return -2; // return code to be ignored
6608 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6610 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6611 if (xSqr < 0 || ySqr < 0) return -1;
\r
6612 whichMenu = 0; // edit-position menu
6615 if(!appData.icsEngineAnalyze) return -1;
6616 case IcsPlayingWhite:
6617 case IcsPlayingBlack:
6618 if(!appData.zippyPlay) goto noZip;
6621 case MachinePlaysWhite:
6622 case MachinePlaysBlack:
6623 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6624 if (!appData.dropMenu) {
6626 return 2; // flag front-end to grab mouse events
6628 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6629 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6632 if (xSqr < 0 || ySqr < 0) return -1;
6633 if (!appData.dropMenu || appData.testLegality &&
6634 gameInfo.variant != VariantBughouse &&
6635 gameInfo.variant != VariantCrazyhouse) return -1;
6636 whichMenu = 1; // drop menu
6642 if (((*fromX = xSqr) < 0) ||
6643 ((*fromY = ySqr) < 0)) {
6644 *fromX = *fromY = -1;
6648 *fromX = BOARD_WIDTH - 1 - *fromX;
6650 *fromY = BOARD_HEIGHT - 1 - *fromY;
6655 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6657 // char * hint = lastHint;
6658 FrontEndProgramStats stats;
6660 stats.which = cps == &first ? 0 : 1;
6661 stats.depth = cpstats->depth;
6662 stats.nodes = cpstats->nodes;
6663 stats.score = cpstats->score;
6664 stats.time = cpstats->time;
6665 stats.pv = cpstats->movelist;
6666 stats.hint = lastHint;
6667 stats.an_move_index = 0;
6668 stats.an_move_count = 0;
6670 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6671 stats.hint = cpstats->move_name;
6672 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6673 stats.an_move_count = cpstats->nr_moves;
6676 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
6678 SetProgramStats( &stats );
6682 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6683 { // count all piece types
6685 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6686 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6687 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6690 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6691 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6692 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6693 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6694 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6695 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6700 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6702 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6703 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6705 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6706 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6707 if(myPawns == 2 && nMine == 3) // KPP
6708 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6709 if(myPawns == 1 && nMine == 2) // KP
6710 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6711 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6712 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6713 if(myPawns) return FALSE;
6714 if(pCnt[WhiteRook+side])
6715 return pCnt[BlackRook-side] ||
6716 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6717 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6718 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6719 if(pCnt[WhiteCannon+side]) {
6720 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6721 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6723 if(pCnt[WhiteKnight+side])
6724 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6729 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6731 VariantClass v = gameInfo.variant;
6733 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6734 if(v == VariantShatranj) return TRUE; // always winnable through baring
6735 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6736 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6738 if(v == VariantXiangqi) {
6739 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6741 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6742 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6743 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6744 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6745 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6746 if(stale) // we have at least one last-rank P plus perhaps C
6747 return majors // KPKX
6748 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6750 return pCnt[WhiteFerz+side] // KCAK
6751 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6752 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6753 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6755 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6756 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6758 if(nMine == 1) return FALSE; // bare King
6759 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
6760 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6761 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6762 // by now we have King + 1 piece (or multiple Bishops on the same color)
6763 if(pCnt[WhiteKnight+side])
6764 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6765 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6766 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6768 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6769 if(pCnt[WhiteAlfil+side])
6770 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6771 if(pCnt[WhiteWazir+side])
6772 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6779 Adjudicate(ChessProgramState *cps)
6780 { // [HGM] some adjudications useful with buggy engines
6781 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6782 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6783 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6784 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6785 int k, count = 0; static int bare = 1;
6786 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6787 Boolean canAdjudicate = !appData.icsActive;
6789 // most tests only when we understand the game, i.e. legality-checking on
6790 if( appData.testLegality )
6791 { /* [HGM] Some more adjudications for obstinate engines */
6792 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6793 static int moveCount = 6;
6795 char *reason = NULL;
6797 /* Count what is on board. */
6798 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6800 /* Some material-based adjudications that have to be made before stalemate test */
6801 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6802 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6803 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6804 if(canAdjudicate && appData.checkMates) {
6806 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6807 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6808 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6809 "Xboard adjudication: King destroyed", GE_XBOARD );
6814 /* Bare King in Shatranj (loses) or Losers (wins) */
6815 if( nrW == 1 || nrB == 1) {
6816 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6817 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6818 if(canAdjudicate && appData.checkMates) {
6820 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6821 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6822 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6823 "Xboard adjudication: Bare king", GE_XBOARD );
6827 if( gameInfo.variant == VariantShatranj && --bare < 0)
6829 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6830 if(canAdjudicate && appData.checkMates) {
6831 /* but only adjudicate if adjudication enabled */
6833 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6834 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6835 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6836 "Xboard adjudication: Bare king", GE_XBOARD );
6843 // don't wait for engine to announce game end if we can judge ourselves
6844 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6846 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6847 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6848 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6849 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6852 reason = "Xboard adjudication: 3rd check";
6853 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6863 reason = "Xboard adjudication: Stalemate";
6864 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6865 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6866 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6867 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6868 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6869 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6870 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6871 EP_CHECKMATE : EP_WINS);
6872 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6873 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6877 reason = "Xboard adjudication: Checkmate";
6878 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6882 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6884 result = GameIsDrawn; break;
6886 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6888 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6892 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6894 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6895 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6896 GameEnds( result, reason, GE_XBOARD );
6900 /* Next absolutely insufficient mating material. */
6901 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6902 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6903 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6905 /* always flag draws, for judging claims */
6906 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6908 if(canAdjudicate && appData.materialDraws) {
6909 /* but only adjudicate them if adjudication enabled */
6910 if(engineOpponent) {
6911 SendToProgram("force\n", engineOpponent); // suppress reply
6912 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6914 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6915 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6920 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6921 if(gameInfo.variant == VariantXiangqi ?
6922 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6924 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6925 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6926 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6927 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6929 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6930 { /* if the first 3 moves do not show a tactical win, declare draw */
6931 if(engineOpponent) {
6932 SendToProgram("force\n", engineOpponent); // suppress reply
6933 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6935 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6936 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6939 } else moveCount = 6;
6941 if (appData.debugMode) { int i;
6942 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6943 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6944 appData.drawRepeats);
6945 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6946 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6950 // Repetition draws and 50-move rule can be applied independently of legality testing
6952 /* Check for rep-draws */
6954 for(k = forwardMostMove-2;
6955 k>=backwardMostMove && k>=forwardMostMove-100 &&
6956 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6957 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6960 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6961 /* compare castling rights */
6962 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6963 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6964 rights++; /* King lost rights, while rook still had them */
6965 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6966 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6967 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6968 rights++; /* but at least one rook lost them */
6970 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6971 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6973 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6974 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6975 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6978 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6979 && appData.drawRepeats > 1) {
6980 /* adjudicate after user-specified nr of repeats */
6981 int result = GameIsDrawn;
6982 char *details = "XBoard adjudication: repetition draw";
6983 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6984 // [HGM] xiangqi: check for forbidden perpetuals
6985 int m, ourPerpetual = 1, hisPerpetual = 1;
6986 for(m=forwardMostMove; m>k; m-=2) {
6987 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6988 ourPerpetual = 0; // the current mover did not always check
6989 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6990 hisPerpetual = 0; // the opponent did not always check
6992 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6993 ourPerpetual, hisPerpetual);
6994 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6995 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6996 details = "Xboard adjudication: perpetual checking";
6998 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
6999 break; // (or we would have caught him before). Abort repetition-checking loop.
7001 // Now check for perpetual chases
7002 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7003 hisPerpetual = PerpetualChase(k, forwardMostMove);
7004 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7005 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7006 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7007 details = "Xboard adjudication: perpetual chasing";
7009 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7010 break; // Abort repetition-checking loop.
7012 // if neither of us is checking or chasing all the time, or both are, it is draw
7014 if(engineOpponent) {
7015 SendToProgram("force\n", engineOpponent); // suppress reply
7016 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7019 GameEnds( result, details, GE_XBOARD );
7022 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7023 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7027 /* Now we test for 50-move draws. Determine ply count */
7028 count = forwardMostMove;
7029 /* look for last irreversble move */
7030 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7032 /* if we hit starting position, add initial plies */
7033 if( count == backwardMostMove )
7034 count -= initialRulePlies;
7035 count = forwardMostMove - count;
7036 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7037 // adjust reversible move counter for checks in Xiangqi
7038 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7039 if(i < backwardMostMove) i = backwardMostMove;
7040 while(i <= forwardMostMove) {
7041 lastCheck = inCheck; // check evasion does not count
7042 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7043 if(inCheck || lastCheck) count--; // check does not count
7048 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7049 /* this is used to judge if draw claims are legal */
7050 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7051 if(engineOpponent) {
7052 SendToProgram("force\n", engineOpponent); // suppress reply
7053 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7055 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7056 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7060 /* if draw offer is pending, treat it as a draw claim
7061 * when draw condition present, to allow engines a way to
7062 * claim draws before making their move to avoid a race
7063 * condition occurring after their move
7065 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7067 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7068 p = "Draw claim: 50-move rule";
7069 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7070 p = "Draw claim: 3-fold repetition";
7071 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7072 p = "Draw claim: insufficient mating material";
7073 if( p != NULL && canAdjudicate) {
7074 if(engineOpponent) {
7075 SendToProgram("force\n", engineOpponent); // suppress reply
7076 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7078 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7079 GameEnds( GameIsDrawn, p, GE_XBOARD );
7084 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7085 if(engineOpponent) {
7086 SendToProgram("force\n", engineOpponent); // suppress reply
7087 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7089 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7090 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7096 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7097 { // [HGM] book: this routine intercepts moves to simulate book replies
7098 char *bookHit = NULL;
7100 //first determine if the incoming move brings opponent into his book
7101 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7102 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7103 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7104 if(bookHit != NULL && !cps->bookSuspend) {
7105 // make sure opponent is not going to reply after receiving move to book position
7106 SendToProgram("force\n", cps);
7107 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7109 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7110 // now arrange restart after book miss
7112 // after a book hit we never send 'go', and the code after the call to this routine
7113 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7115 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7116 SendToProgram(buf, cps);
7117 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7118 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7119 SendToProgram("go\n", cps);
7120 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7121 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7122 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7123 SendToProgram("go\n", cps);
7124 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7126 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7130 ChessProgramState *savedState;
7131 void DeferredBookMove(void)
7133 if(savedState->lastPing != savedState->lastPong)
7134 ScheduleDelayedEvent(DeferredBookMove, 10);
7136 HandleMachineMove(savedMessage, savedState);
7140 HandleMachineMove(message, cps)
7142 ChessProgramState *cps;
7144 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7145 char realname[MSG_SIZ];
7146 int fromX, fromY, toX, toY;
7155 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7157 * Kludge to ignore BEL characters
7159 while (*message == '\007') message++;
7162 * [HGM] engine debug message: ignore lines starting with '#' character
7164 if(cps->debug && *message == '#') return;
7167 * Look for book output
7169 if (cps == &first && bookRequested) {
7170 if (message[0] == '\t' || message[0] == ' ') {
7171 /* Part of the book output is here; append it */
7172 strcat(bookOutput, message);
7173 strcat(bookOutput, " \n");
7175 } else if (bookOutput[0] != NULLCHAR) {
7176 /* All of book output has arrived; display it */
7177 char *p = bookOutput;
7178 while (*p != NULLCHAR) {
7179 if (*p == '\t') *p = ' ';
7182 DisplayInformation(bookOutput);
7183 bookRequested = FALSE;
7184 /* Fall through to parse the current output */
7189 * Look for machine move.
7191 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7192 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7194 /* This method is only useful on engines that support ping */
7195 if (cps->lastPing != cps->lastPong) {
7196 if (gameMode == BeginningOfGame) {
7197 /* Extra move from before last new; ignore */
7198 if (appData.debugMode) {
7199 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7202 if (appData.debugMode) {
7203 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7204 cps->which, gameMode);
7207 SendToProgram("undo\n", cps);
7213 case BeginningOfGame:
7214 /* Extra move from before last reset; ignore */
7215 if (appData.debugMode) {
7216 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7223 /* Extra move after we tried to stop. The mode test is
7224 not a reliable way of detecting this problem, but it's
7225 the best we can do on engines that don't support ping.
7227 if (appData.debugMode) {
7228 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7229 cps->which, gameMode);
7231 SendToProgram("undo\n", cps);
7234 case MachinePlaysWhite:
7235 case IcsPlayingWhite:
7236 machineWhite = TRUE;
7239 case MachinePlaysBlack:
7240 case IcsPlayingBlack:
7241 machineWhite = FALSE;
7244 case TwoMachinesPlay:
7245 machineWhite = (cps->twoMachinesColor[0] == 'w');
7248 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7249 if (appData.debugMode) {
7251 "Ignoring move out of turn by %s, gameMode %d"
7252 ", forwardMost %d\n",
7253 cps->which, gameMode, forwardMostMove);
7258 if (appData.debugMode) { int f = forwardMostMove;
7259 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7260 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7261 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7263 if(cps->alphaRank) AlphaRank(machineMove, 4);
7264 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7265 &fromX, &fromY, &toX, &toY, &promoChar)) {
7266 /* Machine move could not be parsed; ignore it. */
7267 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7268 machineMove, cps->which);
7269 DisplayError(buf1, 0);
7270 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7271 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7272 if (gameMode == TwoMachinesPlay) {
7273 GameEnds(machineWhite ? BlackWins : WhiteWins,
7279 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7280 /* So we have to redo legality test with true e.p. status here, */
7281 /* to make sure an illegal e.p. capture does not slip through, */
7282 /* to cause a forfeit on a justified illegal-move complaint */
7283 /* of the opponent. */
7284 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7286 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7287 fromY, fromX, toY, toX, promoChar);
7288 if (appData.debugMode) {
7290 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7291 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7292 fprintf(debugFP, "castling rights\n");
7294 if(moveType == IllegalMove) {
7295 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7296 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7297 GameEnds(machineWhite ? BlackWins : WhiteWins,
7300 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7301 /* [HGM] Kludge to handle engines that send FRC-style castling
7302 when they shouldn't (like TSCP-Gothic) */
7304 case WhiteASideCastleFR:
7305 case BlackASideCastleFR:
7307 currentMoveString[2]++;
7309 case WhiteHSideCastleFR:
7310 case BlackHSideCastleFR:
7312 currentMoveString[2]--;
7314 default: ; // nothing to do, but suppresses warning of pedantic compilers
7317 hintRequested = FALSE;
7318 lastHint[0] = NULLCHAR;
7319 bookRequested = FALSE;
7320 /* Program may be pondering now */
7321 cps->maybeThinking = TRUE;
7322 if (cps->sendTime == 2) cps->sendTime = 1;
7323 if (cps->offeredDraw) cps->offeredDraw--;
7325 /* currentMoveString is set as a side-effect of ParseOneMove */
7326 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7327 strcat(machineMove, "\n");
7328 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7330 /* [AS] Save move info*/
7331 pvInfoList[ forwardMostMove ].score = programStats.score;
7332 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7333 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7335 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7337 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7338 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7341 while( count < adjudicateLossPlies ) {
7342 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7345 score = -score; /* Flip score for winning side */
7348 if( score > adjudicateLossThreshold ) {
7355 if( count >= adjudicateLossPlies ) {
7356 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7358 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7359 "Xboard adjudication",
7366 if(Adjudicate(cps)) return; // [HGM] adjudicate: for all automatic game ends
7369 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7371 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7372 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7374 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7376 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7378 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7379 char buf[3*MSG_SIZ];
7381 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7382 programStats.score / 100.,
7384 programStats.time / 100.,
7385 (unsigned int)programStats.nodes,
7386 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7387 programStats.movelist);
7389 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7394 /* [AS] Clear stats for next move */
7395 ClearProgramStats();
7396 thinkOutput[0] = NULLCHAR;
7397 hiddenThinkOutputState = 0;
7400 if (gameMode == TwoMachinesPlay) {
7401 /* [HGM] relaying draw offers moved to after reception of move */
7402 /* and interpreting offer as claim if it brings draw condition */
7403 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7404 SendToProgram("draw\n", cps->other);
7406 if (cps->other->sendTime) {
7407 SendTimeRemaining(cps->other,
7408 cps->other->twoMachinesColor[0] == 'w');
7410 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7411 if (firstMove && !bookHit) {
7413 if (cps->other->useColors) {
7414 SendToProgram(cps->other->twoMachinesColor, cps->other);
7416 SendToProgram("go\n", cps->other);
7418 cps->other->maybeThinking = TRUE;
7421 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7423 if (!pausing && appData.ringBellAfterMoves) {
7428 * Reenable menu items that were disabled while
7429 * machine was thinking
7431 if (gameMode != TwoMachinesPlay)
7432 SetUserThinkingEnables();
7434 // [HGM] book: after book hit opponent has received move and is now in force mode
7435 // force the book reply into it, and then fake that it outputted this move by jumping
7436 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7438 static char bookMove[MSG_SIZ]; // a bit generous?
7440 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7441 strcat(bookMove, bookHit);
7444 programStats.nodes = programStats.depth = programStats.time =
7445 programStats.score = programStats.got_only_move = 0;
7446 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7448 if(cps->lastPing != cps->lastPong) {
7449 savedMessage = message; // args for deferred call
7451 ScheduleDelayedEvent(DeferredBookMove, 10);
7460 /* Set special modes for chess engines. Later something general
7461 * could be added here; for now there is just one kludge feature,
7462 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7463 * when "xboard" is given as an interactive command.
7465 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7466 cps->useSigint = FALSE;
7467 cps->useSigterm = FALSE;
7469 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7470 ParseFeatures(message+8, cps);
7471 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7474 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7475 int dummy, s=6; char buf[MSG_SIZ];
7476 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7477 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7478 ParseFEN(boards[0], &dummy, message+s);
7479 DrawPosition(TRUE, boards[0]);
7480 startedFromSetupPosition = TRUE;
7483 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7484 * want this, I was asked to put it in, and obliged.
7486 if (!strncmp(message, "setboard ", 9)) {
7487 Board initial_position;
7489 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7491 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7492 DisplayError(_("Bad FEN received from engine"), 0);
7496 CopyBoard(boards[0], initial_position);
7497 initialRulePlies = FENrulePlies;
7498 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7499 else gameMode = MachinePlaysBlack;
7500 DrawPosition(FALSE, boards[currentMove]);
7506 * Look for communication commands
7508 if (!strncmp(message, "telluser ", 9)) {
7509 if(message[9] == '\\' && message[10] == '\\')
7510 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7511 DisplayNote(message + 9);
7514 if (!strncmp(message, "tellusererror ", 14)) {
7516 if(message[14] == '\\' && message[15] == '\\')
7517 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7518 DisplayError(message + 14, 0);
7521 if (!strncmp(message, "tellopponent ", 13)) {
7522 if (appData.icsActive) {
7524 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7528 DisplayNote(message + 13);
7532 if (!strncmp(message, "tellothers ", 11)) {
7533 if (appData.icsActive) {
7535 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7541 if (!strncmp(message, "tellall ", 8)) {
7542 if (appData.icsActive) {
7544 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7548 DisplayNote(message + 8);
7552 if (strncmp(message, "warning", 7) == 0) {
7553 /* Undocumented feature, use tellusererror in new code */
7554 DisplayError(message, 0);
7557 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7558 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7559 strcat(realname, " query");
7560 AskQuestion(realname, buf2, buf1, cps->pr);
7563 /* Commands from the engine directly to ICS. We don't allow these to be
7564 * sent until we are logged on. Crafty kibitzes have been known to
7565 * interfere with the login process.
7568 if (!strncmp(message, "tellics ", 8)) {
7569 SendToICS(message + 8);
7573 if (!strncmp(message, "tellicsnoalias ", 15)) {
7574 SendToICS(ics_prefix);
7575 SendToICS(message + 15);
7579 /* The following are for backward compatibility only */
7580 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7581 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7582 SendToICS(ics_prefix);
7588 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7592 * If the move is illegal, cancel it and redraw the board.
7593 * Also deal with other error cases. Matching is rather loose
7594 * here to accommodate engines written before the spec.
7596 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7597 strncmp(message, "Error", 5) == 0) {
7598 if (StrStr(message, "name") ||
7599 StrStr(message, "rating") || StrStr(message, "?") ||
7600 StrStr(message, "result") || StrStr(message, "board") ||
7601 StrStr(message, "bk") || StrStr(message, "computer") ||
7602 StrStr(message, "variant") || StrStr(message, "hint") ||
7603 StrStr(message, "random") || StrStr(message, "depth") ||
7604 StrStr(message, "accepted")) {
7607 if (StrStr(message, "protover")) {
7608 /* Program is responding to input, so it's apparently done
7609 initializing, and this error message indicates it is
7610 protocol version 1. So we don't need to wait any longer
7611 for it to initialize and send feature commands. */
7612 FeatureDone(cps, 1);
7613 cps->protocolVersion = 1;
7616 cps->maybeThinking = FALSE;
7618 if (StrStr(message, "draw")) {
7619 /* Program doesn't have "draw" command */
7620 cps->sendDrawOffers = 0;
7623 if (cps->sendTime != 1 &&
7624 (StrStr(message, "time") || StrStr(message, "otim"))) {
7625 /* Program apparently doesn't have "time" or "otim" command */
7629 if (StrStr(message, "analyze")) {
7630 cps->analysisSupport = FALSE;
7631 cps->analyzing = FALSE;
7633 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7634 DisplayError(buf2, 0);
7637 if (StrStr(message, "(no matching move)st")) {
7638 /* Special kludge for GNU Chess 4 only */
7639 cps->stKludge = TRUE;
7640 SendTimeControl(cps, movesPerSession, timeControl,
7641 timeIncrement, appData.searchDepth,
7645 if (StrStr(message, "(no matching move)sd")) {
7646 /* Special kludge for GNU Chess 4 only */
7647 cps->sdKludge = TRUE;
7648 SendTimeControl(cps, movesPerSession, timeControl,
7649 timeIncrement, appData.searchDepth,
7653 if (!StrStr(message, "llegal")) {
7656 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7657 gameMode == IcsIdle) return;
7658 if (forwardMostMove <= backwardMostMove) return;
7659 if (pausing) PauseEvent();
7660 if(appData.forceIllegal) {
7661 // [HGM] illegal: machine refused move; force position after move into it
7662 SendToProgram("force\n", cps);
7663 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7664 // we have a real problem now, as SendBoard will use the a2a3 kludge
7665 // when black is to move, while there might be nothing on a2 or black
7666 // might already have the move. So send the board as if white has the move.
7667 // But first we must change the stm of the engine, as it refused the last move
7668 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7669 if(WhiteOnMove(forwardMostMove)) {
7670 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7671 SendBoard(cps, forwardMostMove); // kludgeless board
7673 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7674 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7675 SendBoard(cps, forwardMostMove+1); // kludgeless board
7677 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7678 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7679 gameMode == TwoMachinesPlay)
7680 SendToProgram("go\n", cps);
7683 if (gameMode == PlayFromGameFile) {
7684 /* Stop reading this game file */
7685 gameMode = EditGame;
7688 currentMove = forwardMostMove-1;
7689 DisplayMove(currentMove-1); /* before DisplayMoveError */
7690 SwitchClocks(forwardMostMove-1); // [HGM] race
7691 DisplayBothClocks();
7692 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7693 parseList[currentMove], cps->which);
7694 DisplayMoveError(buf1);
7695 DrawPosition(FALSE, boards[currentMove]);
7697 /* [HGM] illegal-move claim should forfeit game when Xboard */
7698 /* only passes fully legal moves */
7699 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7700 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7701 "False illegal-move claim", GE_XBOARD );
7705 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7706 /* Program has a broken "time" command that
7707 outputs a string not ending in newline.
7713 * If chess program startup fails, exit with an error message.
7714 * Attempts to recover here are futile.
7716 if ((StrStr(message, "unknown host") != NULL)
7717 || (StrStr(message, "No remote directory") != NULL)
7718 || (StrStr(message, "not found") != NULL)
7719 || (StrStr(message, "No such file") != NULL)
7720 || (StrStr(message, "can't alloc") != NULL)
7721 || (StrStr(message, "Permission denied") != NULL)) {
7723 cps->maybeThinking = FALSE;
7724 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7725 cps->which, cps->program, cps->host, message);
7726 RemoveInputSource(cps->isr);
7727 DisplayFatalError(buf1, 0, 1);
7732 * Look for hint output
7734 if (sscanf(message, "Hint: %s", buf1) == 1) {
7735 if (cps == &first && hintRequested) {
7736 hintRequested = FALSE;
7737 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7738 &fromX, &fromY, &toX, &toY, &promoChar)) {
7739 (void) CoordsToAlgebraic(boards[forwardMostMove],
7740 PosFlags(forwardMostMove),
7741 fromY, fromX, toY, toX, promoChar, buf1);
7742 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7743 DisplayInformation(buf2);
7745 /* Hint move could not be parsed!? */
7746 snprintf(buf2, sizeof(buf2),
7747 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7749 DisplayError(buf2, 0);
7752 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7758 * Ignore other messages if game is not in progress
7760 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7761 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7764 * look for win, lose, draw, or draw offer
7766 if (strncmp(message, "1-0", 3) == 0) {
7767 char *p, *q, *r = "";
7768 p = strchr(message, '{');
7776 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7778 } else if (strncmp(message, "0-1", 3) == 0) {
7779 char *p, *q, *r = "";
7780 p = strchr(message, '{');
7788 /* Kludge for Arasan 4.1 bug */
7789 if (strcmp(r, "Black resigns") == 0) {
7790 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7793 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7795 } else if (strncmp(message, "1/2", 3) == 0) {
7796 char *p, *q, *r = "";
7797 p = strchr(message, '{');
7806 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7809 } else if (strncmp(message, "White resign", 12) == 0) {
7810 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7812 } else if (strncmp(message, "Black resign", 12) == 0) {
7813 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7815 } else if (strncmp(message, "White matches", 13) == 0 ||
7816 strncmp(message, "Black matches", 13) == 0 ) {
7817 /* [HGM] ignore GNUShogi noises */
7819 } else if (strncmp(message, "White", 5) == 0 &&
7820 message[5] != '(' &&
7821 StrStr(message, "Black") == NULL) {
7822 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7824 } else if (strncmp(message, "Black", 5) == 0 &&
7825 message[5] != '(') {
7826 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7828 } else if (strcmp(message, "resign") == 0 ||
7829 strcmp(message, "computer resigns") == 0) {
7831 case MachinePlaysBlack:
7832 case IcsPlayingBlack:
7833 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7835 case MachinePlaysWhite:
7836 case IcsPlayingWhite:
7837 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7839 case TwoMachinesPlay:
7840 if (cps->twoMachinesColor[0] == 'w')
7841 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7843 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7850 } else if (strncmp(message, "opponent mates", 14) == 0) {
7852 case MachinePlaysBlack:
7853 case IcsPlayingBlack:
7854 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7856 case MachinePlaysWhite:
7857 case IcsPlayingWhite:
7858 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7860 case TwoMachinesPlay:
7861 if (cps->twoMachinesColor[0] == 'w')
7862 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7864 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7871 } else if (strncmp(message, "computer mates", 14) == 0) {
7873 case MachinePlaysBlack:
7874 case IcsPlayingBlack:
7875 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7877 case MachinePlaysWhite:
7878 case IcsPlayingWhite:
7879 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7881 case TwoMachinesPlay:
7882 if (cps->twoMachinesColor[0] == 'w')
7883 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7885 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7892 } else if (strncmp(message, "checkmate", 9) == 0) {
7893 if (WhiteOnMove(forwardMostMove)) {
7894 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7896 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7899 } else if (strstr(message, "Draw") != NULL ||
7900 strstr(message, "game is a draw") != NULL) {
7901 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7903 } else if (strstr(message, "offer") != NULL &&
7904 strstr(message, "draw") != NULL) {
7906 if (appData.zippyPlay && first.initDone) {
7907 /* Relay offer to ICS */
7908 SendToICS(ics_prefix);
7909 SendToICS("draw\n");
7912 cps->offeredDraw = 2; /* valid until this engine moves twice */
7913 if (gameMode == TwoMachinesPlay) {
7914 if (cps->other->offeredDraw) {
7915 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7916 /* [HGM] in two-machine mode we delay relaying draw offer */
7917 /* until after we also have move, to see if it is really claim */
7919 } else if (gameMode == MachinePlaysWhite ||
7920 gameMode == MachinePlaysBlack) {
7921 if (userOfferedDraw) {
7922 DisplayInformation(_("Machine accepts your draw offer"));
7923 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7925 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7932 * Look for thinking output
7934 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7935 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7937 int plylev, mvleft, mvtot, curscore, time;
7938 char mvname[MOVE_LEN];
7942 int prefixHint = FALSE;
7943 mvname[0] = NULLCHAR;
7946 case MachinePlaysBlack:
7947 case IcsPlayingBlack:
7948 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7950 case MachinePlaysWhite:
7951 case IcsPlayingWhite:
7952 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7957 case IcsObserving: /* [DM] icsEngineAnalyze */
7958 if (!appData.icsEngineAnalyze) ignore = TRUE;
7960 case TwoMachinesPlay:
7961 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7971 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7973 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7974 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7976 if (plyext != ' ' && plyext != '\t') {
7980 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7981 if( cps->scoreIsAbsolute &&
7982 ( gameMode == MachinePlaysBlack ||
7983 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7984 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7985 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7986 !WhiteOnMove(currentMove)
7989 curscore = -curscore;
7993 tempStats.depth = plylev;
7994 tempStats.nodes = nodes;
7995 tempStats.time = time;
7996 tempStats.score = curscore;
7997 tempStats.got_only_move = 0;
7999 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8002 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8003 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8004 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8005 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8006 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8007 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8008 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8009 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8012 /* Buffer overflow protection */
8013 if (buf1[0] != NULLCHAR) {
8014 if (strlen(buf1) >= sizeof(tempStats.movelist)
8015 && appData.debugMode) {
8017 "PV is too long; using the first %u bytes.\n",
8018 (unsigned) sizeof(tempStats.movelist) - 1);
8021 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8023 sprintf(tempStats.movelist, " no PV\n");
8026 if (tempStats.seen_stat) {
8027 tempStats.ok_to_send = 1;
8030 if (strchr(tempStats.movelist, '(') != NULL) {
8031 tempStats.line_is_book = 1;
8032 tempStats.nr_moves = 0;
8033 tempStats.moves_left = 0;
8035 tempStats.line_is_book = 0;
8038 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8039 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8041 SendProgramStatsToFrontend( cps, &tempStats );
8044 [AS] Protect the thinkOutput buffer from overflow... this
8045 is only useful if buf1 hasn't overflowed first!
8047 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8049 (gameMode == TwoMachinesPlay ?
8050 ToUpper(cps->twoMachinesColor[0]) : ' '),
8051 ((double) curscore) / 100.0,
8052 prefixHint ? lastHint : "",
8053 prefixHint ? " " : "" );
8055 if( buf1[0] != NULLCHAR ) {
8056 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8058 if( strlen(buf1) > max_len ) {
8059 if( appData.debugMode) {
8060 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8062 buf1[max_len+1] = '\0';
8065 strcat( thinkOutput, buf1 );
8068 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8069 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8070 DisplayMove(currentMove - 1);
8074 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8075 /* crafty (9.25+) says "(only move) <move>"
8076 * if there is only 1 legal move
8078 sscanf(p, "(only move) %s", buf1);
8079 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8080 sprintf(programStats.movelist, "%s (only move)", buf1);
8081 programStats.depth = 1;
8082 programStats.nr_moves = 1;
8083 programStats.moves_left = 1;
8084 programStats.nodes = 1;
8085 programStats.time = 1;
8086 programStats.got_only_move = 1;
8088 /* Not really, but we also use this member to
8089 mean "line isn't going to change" (Crafty
8090 isn't searching, so stats won't change) */
8091 programStats.line_is_book = 1;
8093 SendProgramStatsToFrontend( cps, &programStats );
8095 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8096 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8097 DisplayMove(currentMove - 1);
8100 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8101 &time, &nodes, &plylev, &mvleft,
8102 &mvtot, mvname) >= 5) {
8103 /* The stat01: line is from Crafty (9.29+) in response
8104 to the "." command */
8105 programStats.seen_stat = 1;
8106 cps->maybeThinking = TRUE;
8108 if (programStats.got_only_move || !appData.periodicUpdates)
8111 programStats.depth = plylev;
8112 programStats.time = time;
8113 programStats.nodes = nodes;
8114 programStats.moves_left = mvleft;
8115 programStats.nr_moves = mvtot;
8116 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8117 programStats.ok_to_send = 1;
8118 programStats.movelist[0] = '\0';
8120 SendProgramStatsToFrontend( cps, &programStats );
8124 } else if (strncmp(message,"++",2) == 0) {
8125 /* Crafty 9.29+ outputs this */
8126 programStats.got_fail = 2;
8129 } else if (strncmp(message,"--",2) == 0) {
8130 /* Crafty 9.29+ outputs this */
8131 programStats.got_fail = 1;
8134 } else if (thinkOutput[0] != NULLCHAR &&
8135 strncmp(message, " ", 4) == 0) {
8136 unsigned message_len;
8139 while (*p && *p == ' ') p++;
8141 message_len = strlen( p );
8143 /* [AS] Avoid buffer overflow */
8144 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8145 strcat(thinkOutput, " ");
8146 strcat(thinkOutput, p);
8149 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8150 strcat(programStats.movelist, " ");
8151 strcat(programStats.movelist, p);
8154 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8155 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8156 DisplayMove(currentMove - 1);
8164 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8165 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8167 ChessProgramStats cpstats;
8169 if (plyext != ' ' && plyext != '\t') {
8173 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8174 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8175 curscore = -curscore;
8178 cpstats.depth = plylev;
8179 cpstats.nodes = nodes;
8180 cpstats.time = time;
8181 cpstats.score = curscore;
8182 cpstats.got_only_move = 0;
8183 cpstats.movelist[0] = '\0';
8185 if (buf1[0] != NULLCHAR) {
8186 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8189 cpstats.ok_to_send = 0;
8190 cpstats.line_is_book = 0;
8191 cpstats.nr_moves = 0;
8192 cpstats.moves_left = 0;
8194 SendProgramStatsToFrontend( cps, &cpstats );
8201 /* Parse a game score from the character string "game", and
8202 record it as the history of the current game. The game
8203 score is NOT assumed to start from the standard position.
8204 The display is not updated in any way.
8207 ParseGameHistory(game)
8211 int fromX, fromY, toX, toY, boardIndex;
8216 if (appData.debugMode)
8217 fprintf(debugFP, "Parsing game history: %s\n", game);
8219 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8220 gameInfo.site = StrSave(appData.icsHost);
8221 gameInfo.date = PGNDate();
8222 gameInfo.round = StrSave("-");
8224 /* Parse out names of players */
8225 while (*game == ' ') game++;
8227 while (*game != ' ') *p++ = *game++;
8229 gameInfo.white = StrSave(buf);
8230 while (*game == ' ') game++;
8232 while (*game != ' ' && *game != '\n') *p++ = *game++;
8234 gameInfo.black = StrSave(buf);
8237 boardIndex = blackPlaysFirst ? 1 : 0;
8240 yyboardindex = boardIndex;
8241 moveType = (ChessMove) Myylex();
8243 case IllegalMove: /* maybe suicide chess, etc. */
8244 if (appData.debugMode) {
8245 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8246 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8247 setbuf(debugFP, NULL);
8249 case WhitePromotion:
8250 case BlackPromotion:
8251 case WhiteNonPromotion:
8252 case BlackNonPromotion:
8254 case WhiteCapturesEnPassant:
8255 case BlackCapturesEnPassant:
8256 case WhiteKingSideCastle:
8257 case WhiteQueenSideCastle:
8258 case BlackKingSideCastle:
8259 case BlackQueenSideCastle:
8260 case WhiteKingSideCastleWild:
8261 case WhiteQueenSideCastleWild:
8262 case BlackKingSideCastleWild:
8263 case BlackQueenSideCastleWild:
8265 case WhiteHSideCastleFR:
8266 case WhiteASideCastleFR:
8267 case BlackHSideCastleFR:
8268 case BlackASideCastleFR:
8270 fromX = currentMoveString[0] - AAA;
8271 fromY = currentMoveString[1] - ONE;
8272 toX = currentMoveString[2] - AAA;
8273 toY = currentMoveString[3] - ONE;
8274 promoChar = currentMoveString[4];
8278 fromX = moveType == WhiteDrop ?
8279 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8280 (int) CharToPiece(ToLower(currentMoveString[0]));
8282 toX = currentMoveString[2] - AAA;
8283 toY = currentMoveString[3] - ONE;
8284 promoChar = NULLCHAR;
8288 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8289 if (appData.debugMode) {
8290 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8291 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8292 setbuf(debugFP, NULL);
8294 DisplayError(buf, 0);
8296 case ImpossibleMove:
8298 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8299 if (appData.debugMode) {
8300 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8301 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8302 setbuf(debugFP, NULL);
8304 DisplayError(buf, 0);
8307 if (boardIndex < backwardMostMove) {
8308 /* Oops, gap. How did that happen? */
8309 DisplayError(_("Gap in move list"), 0);
8312 backwardMostMove = blackPlaysFirst ? 1 : 0;
8313 if (boardIndex > forwardMostMove) {
8314 forwardMostMove = boardIndex;
8318 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8319 strcat(parseList[boardIndex-1], " ");
8320 strcat(parseList[boardIndex-1], yy_text);
8332 case GameUnfinished:
8333 if (gameMode == IcsExamining) {
8334 if (boardIndex < backwardMostMove) {
8335 /* Oops, gap. How did that happen? */
8338 backwardMostMove = blackPlaysFirst ? 1 : 0;
8341 gameInfo.result = moveType;
8342 p = strchr(yy_text, '{');
8343 if (p == NULL) p = strchr(yy_text, '(');
8346 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8348 q = strchr(p, *p == '{' ? '}' : ')');
8349 if (q != NULL) *q = NULLCHAR;
8352 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8353 gameInfo.resultDetails = StrSave(p);
8356 if (boardIndex >= forwardMostMove &&
8357 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8358 backwardMostMove = blackPlaysFirst ? 1 : 0;
8361 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8362 fromY, fromX, toY, toX, promoChar,
8363 parseList[boardIndex]);
8364 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8365 /* currentMoveString is set as a side-effect of yylex */
8366 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8367 strcat(moveList[boardIndex], "\n");
8369 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8370 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8376 if(gameInfo.variant != VariantShogi)
8377 strcat(parseList[boardIndex - 1], "+");
8381 strcat(parseList[boardIndex - 1], "#");
8388 /* Apply a move to the given board */
8390 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8391 int fromX, fromY, toX, toY;
8395 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8396 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8398 /* [HGM] compute & store e.p. status and castling rights for new position */
8399 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8401 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8402 oldEP = (signed char)board[EP_STATUS];
8403 board[EP_STATUS] = EP_NONE;
8405 if( board[toY][toX] != EmptySquare )
8406 board[EP_STATUS] = EP_CAPTURE;
8408 if (fromY == DROP_RANK) {
8410 piece = board[toY][toX] = (ChessSquare) fromX;
8414 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8415 if( gameInfo.variant == VariantFairy ) board[EP_STATUS] = EP_PAWN_MOVE; // Lance in fairy is Pawn-like
8417 if( board[fromY][fromX] == WhitePawn ) {
8418 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8419 board[EP_STATUS] = EP_PAWN_MOVE;
8421 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8422 gameInfo.variant != VariantBerolina || toX < fromX)
8423 board[EP_STATUS] = toX | berolina;
8424 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8425 gameInfo.variant != VariantBerolina || toX > fromX)
8426 board[EP_STATUS] = toX;
8429 if( board[fromY][fromX] == BlackPawn ) {
8430 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8431 board[EP_STATUS] = EP_PAWN_MOVE;
8432 if( toY-fromY== -2) {
8433 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8434 gameInfo.variant != VariantBerolina || toX < fromX)
8435 board[EP_STATUS] = toX | berolina;
8436 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8437 gameInfo.variant != VariantBerolina || toX > fromX)
8438 board[EP_STATUS] = toX;
8442 for(i=0; i<nrCastlingRights; i++) {
8443 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8444 board[CASTLING][i] == toX && castlingRank[i] == toY
8445 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8448 if (fromX == toX && fromY == toY) return;
8450 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8451 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8452 if(gameInfo.variant == VariantKnightmate)
8453 king += (int) WhiteUnicorn - (int) WhiteKing;
8455 /* Code added by Tord: */
8456 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8457 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8458 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8459 board[fromY][fromX] = EmptySquare;
8460 board[toY][toX] = EmptySquare;
8461 if((toX > fromX) != (piece == WhiteRook)) {
8462 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8464 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8466 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8467 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8468 board[fromY][fromX] = EmptySquare;
8469 board[toY][toX] = EmptySquare;
8470 if((toX > fromX) != (piece == BlackRook)) {
8471 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8473 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8475 /* End of code added by Tord */
8477 } else if (board[fromY][fromX] == king
8478 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8479 && toY == fromY && toX > fromX+1) {
8480 board[fromY][fromX] = EmptySquare;
8481 board[toY][toX] = king;
8482 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8483 board[fromY][BOARD_RGHT-1] = EmptySquare;
8484 } else if (board[fromY][fromX] == king
8485 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8486 && toY == fromY && toX < fromX-1) {
8487 board[fromY][fromX] = EmptySquare;
8488 board[toY][toX] = king;
8489 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8490 board[fromY][BOARD_LEFT] = EmptySquare;
8491 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8492 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8493 && toY >= BOARD_HEIGHT-promoRank
8495 /* white pawn promotion */
8496 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8497 if (board[toY][toX] == EmptySquare) {
8498 board[toY][toX] = WhiteQueen;
8500 if(gameInfo.variant==VariantBughouse ||
8501 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8502 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8503 board[fromY][fromX] = EmptySquare;
8504 } else if ((fromY == BOARD_HEIGHT-4)
8506 && gameInfo.variant != VariantXiangqi
8507 && gameInfo.variant != VariantBerolina
8508 && (board[fromY][fromX] == WhitePawn)
8509 && (board[toY][toX] == EmptySquare)) {
8510 board[fromY][fromX] = EmptySquare;
8511 board[toY][toX] = WhitePawn;
8512 captured = board[toY - 1][toX];
8513 board[toY - 1][toX] = EmptySquare;
8514 } else if ((fromY == BOARD_HEIGHT-4)
8516 && gameInfo.variant == VariantBerolina
8517 && (board[fromY][fromX] == WhitePawn)
8518 && (board[toY][toX] == EmptySquare)) {
8519 board[fromY][fromX] = EmptySquare;
8520 board[toY][toX] = WhitePawn;
8521 if(oldEP & EP_BEROLIN_A) {
8522 captured = board[fromY][fromX-1];
8523 board[fromY][fromX-1] = EmptySquare;
8524 }else{ captured = board[fromY][fromX+1];
8525 board[fromY][fromX+1] = EmptySquare;
8527 } else if (board[fromY][fromX] == king
8528 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8529 && toY == fromY && toX > fromX+1) {
8530 board[fromY][fromX] = EmptySquare;
8531 board[toY][toX] = king;
8532 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8533 board[fromY][BOARD_RGHT-1] = EmptySquare;
8534 } else if (board[fromY][fromX] == king
8535 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8536 && toY == fromY && toX < fromX-1) {
8537 board[fromY][fromX] = EmptySquare;
8538 board[toY][toX] = king;
8539 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8540 board[fromY][BOARD_LEFT] = EmptySquare;
8541 } else if (fromY == 7 && fromX == 3
8542 && board[fromY][fromX] == BlackKing
8543 && toY == 7 && toX == 5) {
8544 board[fromY][fromX] = EmptySquare;
8545 board[toY][toX] = BlackKing;
8546 board[fromY][7] = EmptySquare;
8547 board[toY][4] = BlackRook;
8548 } else if (fromY == 7 && fromX == 3
8549 && board[fromY][fromX] == BlackKing
8550 && toY == 7 && toX == 1) {
8551 board[fromY][fromX] = EmptySquare;
8552 board[toY][toX] = BlackKing;
8553 board[fromY][0] = EmptySquare;
8554 board[toY][2] = BlackRook;
8555 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8556 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8559 /* black pawn promotion */
8560 board[toY][toX] = CharToPiece(ToLower(promoChar));
8561 if (board[toY][toX] == EmptySquare) {
8562 board[toY][toX] = BlackQueen;
8564 if(gameInfo.variant==VariantBughouse ||
8565 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8566 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8567 board[fromY][fromX] = EmptySquare;
8568 } else if ((fromY == 3)
8570 && gameInfo.variant != VariantXiangqi
8571 && gameInfo.variant != VariantBerolina
8572 && (board[fromY][fromX] == BlackPawn)
8573 && (board[toY][toX] == EmptySquare)) {
8574 board[fromY][fromX] = EmptySquare;
8575 board[toY][toX] = BlackPawn;
8576 captured = board[toY + 1][toX];
8577 board[toY + 1][toX] = EmptySquare;
8578 } else if ((fromY == 3)
8580 && gameInfo.variant == VariantBerolina
8581 && (board[fromY][fromX] == BlackPawn)
8582 && (board[toY][toX] == EmptySquare)) {
8583 board[fromY][fromX] = EmptySquare;
8584 board[toY][toX] = BlackPawn;
8585 if(oldEP & EP_BEROLIN_A) {
8586 captured = board[fromY][fromX-1];
8587 board[fromY][fromX-1] = EmptySquare;
8588 }else{ captured = board[fromY][fromX+1];
8589 board[fromY][fromX+1] = EmptySquare;
8592 board[toY][toX] = board[fromY][fromX];
8593 board[fromY][fromX] = EmptySquare;
8597 if (gameInfo.holdingsWidth != 0) {
8599 /* !!A lot more code needs to be written to support holdings */
8600 /* [HGM] OK, so I have written it. Holdings are stored in the */
8601 /* penultimate board files, so they are automaticlly stored */
8602 /* in the game history. */
8603 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8604 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8605 /* Delete from holdings, by decreasing count */
8606 /* and erasing image if necessary */
8607 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8608 if(p < (int) BlackPawn) { /* white drop */
8609 p -= (int)WhitePawn;
8610 p = PieceToNumber((ChessSquare)p);
8611 if(p >= gameInfo.holdingsSize) p = 0;
8612 if(--board[p][BOARD_WIDTH-2] <= 0)
8613 board[p][BOARD_WIDTH-1] = EmptySquare;
8614 if((int)board[p][BOARD_WIDTH-2] < 0)
8615 board[p][BOARD_WIDTH-2] = 0;
8616 } else { /* black drop */
8617 p -= (int)BlackPawn;
8618 p = PieceToNumber((ChessSquare)p);
8619 if(p >= gameInfo.holdingsSize) p = 0;
8620 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8621 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8622 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8623 board[BOARD_HEIGHT-1-p][1] = 0;
8626 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8627 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8628 /* [HGM] holdings: Add to holdings, if holdings exist */
8629 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8630 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8631 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8634 if (p >= (int) BlackPawn) {
8635 p -= (int)BlackPawn;
8636 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8637 /* in Shogi restore piece to its original first */
8638 captured = (ChessSquare) (DEMOTED captured);
8641 p = PieceToNumber((ChessSquare)p);
8642 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8643 board[p][BOARD_WIDTH-2]++;
8644 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8646 p -= (int)WhitePawn;
8647 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8648 captured = (ChessSquare) (DEMOTED captured);
8651 p = PieceToNumber((ChessSquare)p);
8652 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8653 board[BOARD_HEIGHT-1-p][1]++;
8654 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8657 } else if (gameInfo.variant == VariantAtomic) {
8658 if (captured != EmptySquare) {
8660 for (y = toY-1; y <= toY+1; y++) {
8661 for (x = toX-1; x <= toX+1; x++) {
8662 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8663 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8664 board[y][x] = EmptySquare;
8668 board[toY][toX] = EmptySquare;
8671 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8672 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8674 if(promoChar == '+') {
8675 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8676 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8677 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8678 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8680 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8681 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8682 // [HGM] superchess: take promotion piece out of holdings
8683 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8684 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8685 if(!--board[k][BOARD_WIDTH-2])
8686 board[k][BOARD_WIDTH-1] = EmptySquare;
8688 if(!--board[BOARD_HEIGHT-1-k][1])
8689 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8695 /* Updates forwardMostMove */
8697 MakeMove(fromX, fromY, toX, toY, promoChar)
8698 int fromX, fromY, toX, toY;
8701 // forwardMostMove++; // [HGM] bare: moved downstream
8703 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8704 int timeLeft; static int lastLoadFlag=0; int king, piece;
8705 piece = boards[forwardMostMove][fromY][fromX];
8706 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8707 if(gameInfo.variant == VariantKnightmate)
8708 king += (int) WhiteUnicorn - (int) WhiteKing;
8709 if(forwardMostMove == 0) {
8711 fprintf(serverMoves, "%s;", second.tidy);
8712 fprintf(serverMoves, "%s;", first.tidy);
8713 if(!blackPlaysFirst)
8714 fprintf(serverMoves, "%s;", second.tidy);
8715 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8716 lastLoadFlag = loadFlag;
8718 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8719 // print castling suffix
8720 if( toY == fromY && piece == king ) {
8722 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8724 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8727 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8728 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8729 boards[forwardMostMove][toY][toX] == EmptySquare
8730 && fromX != toX && fromY != toY)
8731 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8733 if(promoChar != NULLCHAR)
8734 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8736 fprintf(serverMoves, "/%d/%d",
8737 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8738 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8739 else timeLeft = blackTimeRemaining/1000;
8740 fprintf(serverMoves, "/%d", timeLeft);
8742 fflush(serverMoves);
8745 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8746 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8750 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8751 if (commentList[forwardMostMove+1] != NULL) {
8752 free(commentList[forwardMostMove+1]);
8753 commentList[forwardMostMove+1] = NULL;
8755 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8756 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8757 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8758 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8759 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8760 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8761 gameInfo.result = GameUnfinished;
8762 if (gameInfo.resultDetails != NULL) {
8763 free(gameInfo.resultDetails);
8764 gameInfo.resultDetails = NULL;
8766 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8767 moveList[forwardMostMove - 1]);
8768 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8769 PosFlags(forwardMostMove - 1),
8770 fromY, fromX, toY, toX, promoChar,
8771 parseList[forwardMostMove - 1]);
8772 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8778 if(gameInfo.variant != VariantShogi)
8779 strcat(parseList[forwardMostMove - 1], "+");
8783 strcat(parseList[forwardMostMove - 1], "#");
8786 if (appData.debugMode) {
8787 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8792 /* Updates currentMove if not pausing */
8794 ShowMove(fromX, fromY, toX, toY)
8796 int instant = (gameMode == PlayFromGameFile) ?
8797 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8798 if(appData.noGUI) return;
8799 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8801 if (forwardMostMove == currentMove + 1) {
8802 AnimateMove(boards[forwardMostMove - 1],
8803 fromX, fromY, toX, toY);
8805 if (appData.highlightLastMove) {
8806 SetHighlights(fromX, fromY, toX, toY);
8809 currentMove = forwardMostMove;
8812 if (instant) return;
8814 DisplayMove(currentMove - 1);
8815 DrawPosition(FALSE, boards[currentMove]);
8816 DisplayBothClocks();
8817 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8820 void SendEgtPath(ChessProgramState *cps)
8821 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8822 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8824 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8827 char c, *q = name+1, *r, *s;
8829 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8830 while(*p && *p != ',') *q++ = *p++;
8832 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8833 strcmp(name, ",nalimov:") == 0 ) {
8834 // take nalimov path from the menu-changeable option first, if it is defined
8835 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8836 SendToProgram(buf,cps); // send egtbpath command for nalimov
8838 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8839 (s = StrStr(appData.egtFormats, name)) != NULL) {
8840 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8841 s = r = StrStr(s, ":") + 1; // beginning of path info
8842 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8843 c = *r; *r = 0; // temporarily null-terminate path info
8844 *--q = 0; // strip of trailig ':' from name
8845 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8847 SendToProgram(buf,cps); // send egtbpath command for this format
8849 if(*p == ',') p++; // read away comma to position for next format name
8854 InitChessProgram(cps, setup)
8855 ChessProgramState *cps;
8856 int setup; /* [HGM] needed to setup FRC opening position */
8858 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8859 if (appData.noChessProgram) return;
8860 hintRequested = FALSE;
8861 bookRequested = FALSE;
8863 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8864 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8865 if(cps->memSize) { /* [HGM] memory */
8866 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8867 SendToProgram(buf, cps);
8869 SendEgtPath(cps); /* [HGM] EGT */
8870 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8871 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8872 SendToProgram(buf, cps);
8875 SendToProgram(cps->initString, cps);
8876 if (gameInfo.variant != VariantNormal &&
8877 gameInfo.variant != VariantLoadable
8878 /* [HGM] also send variant if board size non-standard */
8879 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8881 char *v = VariantName(gameInfo.variant);
8882 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8883 /* [HGM] in protocol 1 we have to assume all variants valid */
8884 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8885 DisplayFatalError(buf, 0, 1);
8889 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8890 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8891 if( gameInfo.variant == VariantXiangqi )
8892 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8893 if( gameInfo.variant == VariantShogi )
8894 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8895 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8896 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8897 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8898 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8899 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8900 if( gameInfo.variant == VariantCourier )
8901 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8902 if( gameInfo.variant == VariantSuper )
8903 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8904 if( gameInfo.variant == VariantGreat )
8905 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8906 if( gameInfo.variant == VariantSChess )
8907 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8910 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8911 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8912 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8913 if(StrStr(cps->variants, b) == NULL) {
8914 // specific sized variant not known, check if general sizing allowed
8915 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8916 if(StrStr(cps->variants, "boardsize") == NULL) {
8917 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8918 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8919 DisplayFatalError(buf, 0, 1);
8922 /* [HGM] here we really should compare with the maximum supported board size */
8925 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8926 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8927 SendToProgram(buf, cps);
8929 currentlyInitializedVariant = gameInfo.variant;
8931 /* [HGM] send opening position in FRC to first engine */
8933 SendToProgram("force\n", cps);
8935 /* engine is now in force mode! Set flag to wake it up after first move. */
8936 setboardSpoiledMachineBlack = 1;
8940 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8941 SendToProgram(buf, cps);
8943 cps->maybeThinking = FALSE;
8944 cps->offeredDraw = 0;
8945 if (!appData.icsActive) {
8946 SendTimeControl(cps, movesPerSession, timeControl,
8947 timeIncrement, appData.searchDepth,
8950 if (appData.showThinking
8951 // [HGM] thinking: four options require thinking output to be sent
8952 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8954 SendToProgram("post\n", cps);
8956 SendToProgram("hard\n", cps);
8957 if (!appData.ponderNextMove) {
8958 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8959 it without being sure what state we are in first. "hard"
8960 is not a toggle, so that one is OK.
8962 SendToProgram("easy\n", cps);
8965 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8966 SendToProgram(buf, cps);
8968 cps->initDone = TRUE;
8973 StartChessProgram(cps)
8974 ChessProgramState *cps;
8979 if (appData.noChessProgram) return;
8980 cps->initDone = FALSE;
8982 if (strcmp(cps->host, "localhost") == 0) {
8983 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8984 } else if (*appData.remoteShell == NULLCHAR) {
8985 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8987 if (*appData.remoteUser == NULLCHAR) {
8988 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8991 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8992 cps->host, appData.remoteUser, cps->program);
8994 err = StartChildProcess(buf, "", &cps->pr);
8998 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8999 DisplayFatalError(buf, err, 1);
9005 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9006 if (cps->protocolVersion > 1) {
9007 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9008 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9009 cps->comboCnt = 0; // and values of combo boxes
9010 SendToProgram(buf, cps);
9012 SendToProgram("xboard\n", cps);
9018 TwoMachinesEventIfReady P((void))
9020 if (first.lastPing != first.lastPong) {
9021 DisplayMessage("", _("Waiting for first chess program"));
9022 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9025 if (second.lastPing != second.lastPong) {
9026 DisplayMessage("", _("Waiting for second chess program"));
9027 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9035 NextMatchGame P((void))
9037 int index; /* [HGM] autoinc: step load index during match */
9039 if (*appData.loadGameFile != NULLCHAR) {
9040 index = appData.loadGameIndex;
9041 if(index < 0) { // [HGM] autoinc
9042 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9043 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9045 LoadGameFromFile(appData.loadGameFile,
9047 appData.loadGameFile, FALSE);
9048 } else if (*appData.loadPositionFile != NULLCHAR) {
9049 index = appData.loadPositionIndex;
9050 if(index < 0) { // [HGM] autoinc
9051 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9052 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9054 LoadPositionFromFile(appData.loadPositionFile,
9056 appData.loadPositionFile);
9058 TwoMachinesEventIfReady();
9061 void UserAdjudicationEvent( int result )
9063 ChessMove gameResult = GameIsDrawn;
9066 gameResult = WhiteWins;
9068 else if( result < 0 ) {
9069 gameResult = BlackWins;
9072 if( gameMode == TwoMachinesPlay ) {
9073 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9078 // [HGM] save: calculate checksum of game to make games easily identifiable
9079 int StringCheckSum(char *s)
9082 if(s==NULL) return 0;
9083 while(*s) i = i*259 + *s++;
9090 for(i=backwardMostMove; i<forwardMostMove; i++) {
9091 sum += pvInfoList[i].depth;
9092 sum += StringCheckSum(parseList[i]);
9093 sum += StringCheckSum(commentList[i]);
9096 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9097 return sum + StringCheckSum(commentList[i]);
9098 } // end of save patch
9101 GameEnds(result, resultDetails, whosays)
9103 char *resultDetails;
9106 GameMode nextGameMode;
9108 char buf[MSG_SIZ], popupRequested = 0;
9110 if(endingGame) return; /* [HGM] crash: forbid recursion */
9112 if(twoBoards) { // [HGM] dual: switch back to one board
9113 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9114 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9116 if (appData.debugMode) {
9117 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9118 result, resultDetails ? resultDetails : "(null)", whosays);
9121 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9123 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9124 /* If we are playing on ICS, the server decides when the
9125 game is over, but the engine can offer to draw, claim
9129 if (appData.zippyPlay && first.initDone) {
9130 if (result == GameIsDrawn) {
9131 /* In case draw still needs to be claimed */
9132 SendToICS(ics_prefix);
9133 SendToICS("draw\n");
9134 } else if (StrCaseStr(resultDetails, "resign")) {
9135 SendToICS(ics_prefix);
9136 SendToICS("resign\n");
9140 endingGame = 0; /* [HGM] crash */
9144 /* If we're loading the game from a file, stop */
9145 if (whosays == GE_FILE) {
9146 (void) StopLoadGameTimer();
9150 /* Cancel draw offers */
9151 first.offeredDraw = second.offeredDraw = 0;
9153 /* If this is an ICS game, only ICS can really say it's done;
9154 if not, anyone can. */
9155 isIcsGame = (gameMode == IcsPlayingWhite ||
9156 gameMode == IcsPlayingBlack ||
9157 gameMode == IcsObserving ||
9158 gameMode == IcsExamining);
9160 if (!isIcsGame || whosays == GE_ICS) {
9161 /* OK -- not an ICS game, or ICS said it was done */
9163 if (!isIcsGame && !appData.noChessProgram)
9164 SetUserThinkingEnables();
9166 /* [HGM] if a machine claims the game end we verify this claim */
9167 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9168 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9170 ChessMove trueResult = (ChessMove) -1;
9172 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9173 first.twoMachinesColor[0] :
9174 second.twoMachinesColor[0] ;
9176 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9177 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9178 /* [HGM] verify: engine mate claims accepted if they were flagged */
9179 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9181 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9182 /* [HGM] verify: engine mate claims accepted if they were flagged */
9183 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9185 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9186 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9189 // now verify win claims, but not in drop games, as we don't understand those yet
9190 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9191 || gameInfo.variant == VariantGreat) &&
9192 (result == WhiteWins && claimer == 'w' ||
9193 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9194 if (appData.debugMode) {
9195 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9196 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9198 if(result != trueResult) {
9199 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9200 result = claimer == 'w' ? BlackWins : WhiteWins;
9201 resultDetails = buf;
9204 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9205 && (forwardMostMove <= backwardMostMove ||
9206 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9207 (claimer=='b')==(forwardMostMove&1))
9209 /* [HGM] verify: draws that were not flagged are false claims */
9210 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9211 result = claimer == 'w' ? BlackWins : WhiteWins;
9212 resultDetails = buf;
9214 /* (Claiming a loss is accepted no questions asked!) */
9216 /* [HGM] bare: don't allow bare King to win */
9217 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9218 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9219 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9220 && result != GameIsDrawn)
9221 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9222 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9223 int p = (signed char)boards[forwardMostMove][i][j] - color;
9224 if(p >= 0 && p <= (int)WhiteKing) k++;
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9228 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9231 result = GameIsDrawn;
9232 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9233 resultDetails = buf;
9239 if(serverMoves != NULL && !loadFlag) { char c = '=';
9240 if(result==WhiteWins) c = '+';
9241 if(result==BlackWins) c = '-';
9242 if(resultDetails != NULL)
9243 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9245 if (resultDetails != NULL) {
9246 gameInfo.result = result;
9247 gameInfo.resultDetails = StrSave(resultDetails);
9249 /* display last move only if game was not loaded from file */
9250 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9251 DisplayMove(currentMove - 1);
9253 if (forwardMostMove != 0) {
9254 if (gameMode != PlayFromGameFile && gameMode != EditGame
9255 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9257 if (*appData.saveGameFile != NULLCHAR) {
9258 SaveGameToFile(appData.saveGameFile, TRUE);
9259 } else if (appData.autoSaveGames) {
9262 if (*appData.savePositionFile != NULLCHAR) {
9263 SavePositionToFile(appData.savePositionFile);
9268 /* Tell program how game ended in case it is learning */
9269 /* [HGM] Moved this to after saving the PGN, just in case */
9270 /* engine died and we got here through time loss. In that */
9271 /* case we will get a fatal error writing the pipe, which */
9272 /* would otherwise lose us the PGN. */
9273 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9274 /* output during GameEnds should never be fatal anymore */
9275 if (gameMode == MachinePlaysWhite ||
9276 gameMode == MachinePlaysBlack ||
9277 gameMode == TwoMachinesPlay ||
9278 gameMode == IcsPlayingWhite ||
9279 gameMode == IcsPlayingBlack ||
9280 gameMode == BeginningOfGame) {
9282 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9284 if (first.pr != NoProc) {
9285 SendToProgram(buf, &first);
9287 if (second.pr != NoProc &&
9288 gameMode == TwoMachinesPlay) {
9289 SendToProgram(buf, &second);
9294 if (appData.icsActive) {
9295 if (appData.quietPlay &&
9296 (gameMode == IcsPlayingWhite ||
9297 gameMode == IcsPlayingBlack)) {
9298 SendToICS(ics_prefix);
9299 SendToICS("set shout 1\n");
9301 nextGameMode = IcsIdle;
9302 ics_user_moved = FALSE;
9303 /* clean up premove. It's ugly when the game has ended and the
9304 * premove highlights are still on the board.
9308 ClearPremoveHighlights();
9309 DrawPosition(FALSE, boards[currentMove]);
9311 if (whosays == GE_ICS) {
9314 if (gameMode == IcsPlayingWhite)
9316 else if(gameMode == IcsPlayingBlack)
9320 if (gameMode == IcsPlayingBlack)
9322 else if(gameMode == IcsPlayingWhite)
9329 PlayIcsUnfinishedSound();
9332 } else if (gameMode == EditGame ||
9333 gameMode == PlayFromGameFile ||
9334 gameMode == AnalyzeMode ||
9335 gameMode == AnalyzeFile) {
9336 nextGameMode = gameMode;
9338 nextGameMode = EndOfGame;
9343 nextGameMode = gameMode;
9346 if (appData.noChessProgram) {
9347 gameMode = nextGameMode;
9349 endingGame = 0; /* [HGM] crash */
9354 /* Put first chess program into idle state */
9355 if (first.pr != NoProc &&
9356 (gameMode == MachinePlaysWhite ||
9357 gameMode == MachinePlaysBlack ||
9358 gameMode == TwoMachinesPlay ||
9359 gameMode == IcsPlayingWhite ||
9360 gameMode == IcsPlayingBlack ||
9361 gameMode == BeginningOfGame)) {
9362 SendToProgram("force\n", &first);
9363 if (first.usePing) {
9365 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9366 SendToProgram(buf, &first);
9369 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9370 /* Kill off first chess program */
9371 if (first.isr != NULL)
9372 RemoveInputSource(first.isr);
9375 if (first.pr != NoProc) {
9377 DoSleep( appData.delayBeforeQuit );
9378 SendToProgram("quit\n", &first);
9379 DoSleep( appData.delayAfterQuit );
9380 DestroyChildProcess(first.pr, first.useSigterm);
9385 /* Put second chess program into idle state */
9386 if (second.pr != NoProc &&
9387 gameMode == TwoMachinesPlay) {
9388 SendToProgram("force\n", &second);
9389 if (second.usePing) {
9391 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9392 SendToProgram(buf, &second);
9395 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9396 /* Kill off second chess program */
9397 if (second.isr != NULL)
9398 RemoveInputSource(second.isr);
9401 if (second.pr != NoProc) {
9402 DoSleep( appData.delayBeforeQuit );
9403 SendToProgram("quit\n", &second);
9404 DoSleep( appData.delayAfterQuit );
9405 DestroyChildProcess(second.pr, second.useSigterm);
9410 if (matchMode && gameMode == TwoMachinesPlay) {
9413 if (first.twoMachinesColor[0] == 'w') {
9420 if (first.twoMachinesColor[0] == 'b') {
9429 if (matchGame < appData.matchGames) {
9431 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9432 tmp = first.twoMachinesColor;
9433 first.twoMachinesColor = second.twoMachinesColor;
9434 second.twoMachinesColor = tmp;
9436 gameMode = nextGameMode;
9438 if(appData.matchPause>10000 || appData.matchPause<10)
9439 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9440 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9441 endingGame = 0; /* [HGM] crash */
9444 gameMode = nextGameMode;
9445 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9446 first.tidy, second.tidy,
9447 first.matchWins, second.matchWins,
9448 appData.matchGames - (first.matchWins + second.matchWins));
9449 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9452 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9453 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9455 gameMode = nextGameMode;
9457 endingGame = 0; /* [HGM] crash */
9458 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9459 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9460 matchMode = FALSE; appData.matchGames = matchGame = 0;
9466 /* Assumes program was just initialized (initString sent).
9467 Leaves program in force mode. */
9469 FeedMovesToProgram(cps, upto)
9470 ChessProgramState *cps;
9475 if (appData.debugMode)
9476 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9477 startedFromSetupPosition ? "position and " : "",
9478 backwardMostMove, upto, cps->which);
9479 if(currentlyInitializedVariant != gameInfo.variant) {
9481 // [HGM] variantswitch: make engine aware of new variant
9482 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9483 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9484 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9485 SendToProgram(buf, cps);
9486 currentlyInitializedVariant = gameInfo.variant;
9488 SendToProgram("force\n", cps);
9489 if (startedFromSetupPosition) {
9490 SendBoard(cps, backwardMostMove);
9491 if (appData.debugMode) {
9492 fprintf(debugFP, "feedMoves\n");
9495 for (i = backwardMostMove; i < upto; i++) {
9496 SendMoveToProgram(i, cps);
9502 ResurrectChessProgram()
9504 /* The chess program may have exited.
9505 If so, restart it and feed it all the moves made so far. */
9507 if (appData.noChessProgram || first.pr != NoProc) return;
9509 StartChessProgram(&first);
9510 InitChessProgram(&first, FALSE);
9511 FeedMovesToProgram(&first, currentMove);
9513 if (!first.sendTime) {
9514 /* can't tell gnuchess what its clock should read,
9515 so we bow to its notion. */
9517 timeRemaining[0][currentMove] = whiteTimeRemaining;
9518 timeRemaining[1][currentMove] = blackTimeRemaining;
9521 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9522 appData.icsEngineAnalyze) && first.analysisSupport) {
9523 SendToProgram("analyze\n", &first);
9524 first.analyzing = TRUE;
9537 if (appData.debugMode) {
9538 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9539 redraw, init, gameMode);
9541 CleanupTail(); // [HGM] vari: delete any stored variations
9542 pausing = pauseExamInvalid = FALSE;
9543 startedFromSetupPosition = blackPlaysFirst = FALSE;
9545 whiteFlag = blackFlag = FALSE;
9546 userOfferedDraw = FALSE;
9547 hintRequested = bookRequested = FALSE;
9548 first.maybeThinking = FALSE;
9549 second.maybeThinking = FALSE;
9550 first.bookSuspend = FALSE; // [HGM] book
9551 second.bookSuspend = FALSE;
9552 thinkOutput[0] = NULLCHAR;
9553 lastHint[0] = NULLCHAR;
9554 ClearGameInfo(&gameInfo);
9555 gameInfo.variant = StringToVariant(appData.variant);
9556 ics_user_moved = ics_clock_paused = FALSE;
9557 ics_getting_history = H_FALSE;
9559 white_holding[0] = black_holding[0] = NULLCHAR;
9560 ClearProgramStats();
9561 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9565 flipView = appData.flipView;
9566 ClearPremoveHighlights();
9568 alarmSounded = FALSE;
9570 GameEnds(EndOfFile, NULL, GE_PLAYER);
9571 if(appData.serverMovesName != NULL) {
9572 /* [HGM] prepare to make moves file for broadcasting */
9573 clock_t t = clock();
9574 if(serverMoves != NULL) fclose(serverMoves);
9575 serverMoves = fopen(appData.serverMovesName, "r");
9576 if(serverMoves != NULL) {
9577 fclose(serverMoves);
9578 /* delay 15 sec before overwriting, so all clients can see end */
9579 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9581 serverMoves = fopen(appData.serverMovesName, "w");
9585 gameMode = BeginningOfGame;
9587 if(appData.icsActive) gameInfo.variant = VariantNormal;
9588 currentMove = forwardMostMove = backwardMostMove = 0;
9589 InitPosition(redraw);
9590 for (i = 0; i < MAX_MOVES; i++) {
9591 if (commentList[i] != NULL) {
9592 free(commentList[i]);
9593 commentList[i] = NULL;
9597 timeRemaining[0][0] = whiteTimeRemaining;
9598 timeRemaining[1][0] = blackTimeRemaining;
9599 if (first.pr == NULL) {
9600 StartChessProgram(&first);
9603 InitChessProgram(&first, startedFromSetupPosition);
9606 DisplayMessage("", "");
9607 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9608 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9615 if (!AutoPlayOneMove())
9617 if (matchMode || appData.timeDelay == 0)
9619 if (appData.timeDelay < 0)
9621 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9630 int fromX, fromY, toX, toY;
9632 if (appData.debugMode) {
9633 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9636 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9639 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9640 pvInfoList[currentMove].depth = programStats.depth;
9641 pvInfoList[currentMove].score = programStats.score;
9642 pvInfoList[currentMove].time = 0;
9643 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9646 if (currentMove >= forwardMostMove) {
9647 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9648 gameMode = EditGame;
9651 /* [AS] Clear current move marker at the end of a game */
9652 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9657 toX = moveList[currentMove][2] - AAA;
9658 toY = moveList[currentMove][3] - ONE;
9660 if (moveList[currentMove][1] == '@') {
9661 if (appData.highlightLastMove) {
9662 SetHighlights(-1, -1, toX, toY);
9665 fromX = moveList[currentMove][0] - AAA;
9666 fromY = moveList[currentMove][1] - ONE;
9668 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9670 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9672 if (appData.highlightLastMove) {
9673 SetHighlights(fromX, fromY, toX, toY);
9676 DisplayMove(currentMove);
9677 SendMoveToProgram(currentMove++, &first);
9678 DisplayBothClocks();
9679 DrawPosition(FALSE, boards[currentMove]);
9680 // [HGM] PV info: always display, routine tests if empty
9681 DisplayComment(currentMove - 1, commentList[currentMove]);
9687 LoadGameOneMove(readAhead)
9688 ChessMove readAhead;
9690 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9691 char promoChar = NULLCHAR;
9696 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9697 gameMode != AnalyzeMode && gameMode != Training) {
9702 yyboardindex = forwardMostMove;
9703 if (readAhead != EndOfFile) {
9704 moveType = readAhead;
9706 if (gameFileFP == NULL)
9708 moveType = (ChessMove) Myylex();
9714 if (appData.debugMode)
9715 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9718 /* append the comment but don't display it */
9719 AppendComment(currentMove, p, FALSE);
9722 case WhiteCapturesEnPassant:
9723 case BlackCapturesEnPassant:
9724 case WhitePromotion:
9725 case BlackPromotion:
9726 case WhiteNonPromotion:
9727 case BlackNonPromotion:
9729 case WhiteKingSideCastle:
9730 case WhiteQueenSideCastle:
9731 case BlackKingSideCastle:
9732 case BlackQueenSideCastle:
9733 case WhiteKingSideCastleWild:
9734 case WhiteQueenSideCastleWild:
9735 case BlackKingSideCastleWild:
9736 case BlackQueenSideCastleWild:
9738 case WhiteHSideCastleFR:
9739 case WhiteASideCastleFR:
9740 case BlackHSideCastleFR:
9741 case BlackASideCastleFR:
9743 if (appData.debugMode)
9744 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9745 fromX = currentMoveString[0] - AAA;
9746 fromY = currentMoveString[1] - ONE;
9747 toX = currentMoveString[2] - AAA;
9748 toY = currentMoveString[3] - ONE;
9749 promoChar = currentMoveString[4];
9754 if (appData.debugMode)
9755 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9756 fromX = moveType == WhiteDrop ?
9757 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9758 (int) CharToPiece(ToLower(currentMoveString[0]));
9760 toX = currentMoveString[2] - AAA;
9761 toY = currentMoveString[3] - ONE;
9767 case GameUnfinished:
9768 if (appData.debugMode)
9769 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9770 p = strchr(yy_text, '{');
9771 if (p == NULL) p = strchr(yy_text, '(');
9774 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9776 q = strchr(p, *p == '{' ? '}' : ')');
9777 if (q != NULL) *q = NULLCHAR;
9780 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9781 GameEnds(moveType, p, GE_FILE);
9783 if (cmailMsgLoaded) {
9785 flipView = WhiteOnMove(currentMove);
9786 if (moveType == GameUnfinished) flipView = !flipView;
9787 if (appData.debugMode)
9788 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9793 if (appData.debugMode)
9794 fprintf(debugFP, "Parser hit end of file\n");
9795 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9801 if (WhiteOnMove(currentMove)) {
9802 GameEnds(BlackWins, "Black mates", GE_FILE);
9804 GameEnds(WhiteWins, "White mates", GE_FILE);
9808 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9815 if (lastLoadGameStart == GNUChessGame) {
9816 /* GNUChessGames have numbers, but they aren't move numbers */
9817 if (appData.debugMode)
9818 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9819 yy_text, (int) moveType);
9820 return LoadGameOneMove(EndOfFile); /* tail recursion */
9822 /* else fall thru */
9827 /* Reached start of next game in file */
9828 if (appData.debugMode)
9829 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9830 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9836 if (WhiteOnMove(currentMove)) {
9837 GameEnds(BlackWins, "Black mates", GE_FILE);
9839 GameEnds(WhiteWins, "White mates", GE_FILE);
9843 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9849 case PositionDiagram: /* should not happen; ignore */
9850 case ElapsedTime: /* ignore */
9851 case NAG: /* ignore */
9852 if (appData.debugMode)
9853 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9854 yy_text, (int) moveType);
9855 return LoadGameOneMove(EndOfFile); /* tail recursion */
9858 if (appData.testLegality) {
9859 if (appData.debugMode)
9860 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9861 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9862 (forwardMostMove / 2) + 1,
9863 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9864 DisplayError(move, 0);
9867 if (appData.debugMode)
9868 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9869 yy_text, currentMoveString);
9870 fromX = currentMoveString[0] - AAA;
9871 fromY = currentMoveString[1] - ONE;
9872 toX = currentMoveString[2] - AAA;
9873 toY = currentMoveString[3] - ONE;
9874 promoChar = currentMoveString[4];
9879 if (appData.debugMode)
9880 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9881 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9882 (forwardMostMove / 2) + 1,
9883 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9884 DisplayError(move, 0);
9889 case ImpossibleMove:
9890 if (appData.debugMode)
9891 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9892 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9893 (forwardMostMove / 2) + 1,
9894 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9895 DisplayError(move, 0);
9901 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9902 DrawPosition(FALSE, boards[currentMove]);
9903 DisplayBothClocks();
9904 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9905 DisplayComment(currentMove - 1, commentList[currentMove]);
9907 (void) StopLoadGameTimer();
9909 cmailOldMove = forwardMostMove;
9912 /* currentMoveString is set as a side-effect of yylex */
9913 strcat(currentMoveString, "\n");
9914 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9916 thinkOutput[0] = NULLCHAR;
9917 MakeMove(fromX, fromY, toX, toY, promoChar);
9918 currentMove = forwardMostMove;
9923 /* Load the nth game from the given file */
9925 LoadGameFromFile(filename, n, title, useList)
9929 /*Boolean*/ int useList;
9934 if (strcmp(filename, "-") == 0) {
9938 f = fopen(filename, "rb");
9940 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9941 DisplayError(buf, errno);
9945 if (fseek(f, 0, 0) == -1) {
9946 /* f is not seekable; probably a pipe */
9949 if (useList && n == 0) {
9950 int error = GameListBuild(f);
9952 DisplayError(_("Cannot build game list"), error);
9953 } else if (!ListEmpty(&gameList) &&
9954 ((ListGame *) gameList.tailPred)->number > 1) {
9955 GameListPopUp(f, title);
9962 return LoadGame(f, n, title, FALSE);
9967 MakeRegisteredMove()
9969 int fromX, fromY, toX, toY;
9971 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9972 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9975 if (appData.debugMode)
9976 fprintf(debugFP, "Restoring %s for game %d\n",
9977 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9979 thinkOutput[0] = NULLCHAR;
9980 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9981 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9982 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9983 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9984 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9985 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9986 MakeMove(fromX, fromY, toX, toY, promoChar);
9987 ShowMove(fromX, fromY, toX, toY);
9989 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9996 if (WhiteOnMove(currentMove)) {
9997 GameEnds(BlackWins, "Black mates", GE_PLAYER);
9999 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10004 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10011 if (WhiteOnMove(currentMove)) {
10012 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10014 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10019 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10030 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10032 CmailLoadGame(f, gameNumber, title, useList)
10040 if (gameNumber > nCmailGames) {
10041 DisplayError(_("No more games in this message"), 0);
10044 if (f == lastLoadGameFP) {
10045 int offset = gameNumber - lastLoadGameNumber;
10047 cmailMsg[0] = NULLCHAR;
10048 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10049 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10050 nCmailMovesRegistered--;
10052 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10053 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10054 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10057 if (! RegisterMove()) return FALSE;
10061 retVal = LoadGame(f, gameNumber, title, useList);
10063 /* Make move registered during previous look at this game, if any */
10064 MakeRegisteredMove();
10066 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10067 commentList[currentMove]
10068 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10069 DisplayComment(currentMove - 1, commentList[currentMove]);
10075 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10080 int gameNumber = lastLoadGameNumber + offset;
10081 if (lastLoadGameFP == NULL) {
10082 DisplayError(_("No game has been loaded yet"), 0);
10085 if (gameNumber <= 0) {
10086 DisplayError(_("Can't back up any further"), 0);
10089 if (cmailMsgLoaded) {
10090 return CmailLoadGame(lastLoadGameFP, gameNumber,
10091 lastLoadGameTitle, lastLoadGameUseList);
10093 return LoadGame(lastLoadGameFP, gameNumber,
10094 lastLoadGameTitle, lastLoadGameUseList);
10100 /* Load the nth game from open file f */
10102 LoadGame(f, gameNumber, title, useList)
10110 int gn = gameNumber;
10111 ListGame *lg = NULL;
10112 int numPGNTags = 0;
10114 GameMode oldGameMode;
10115 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10117 if (appData.debugMode)
10118 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10120 if (gameMode == Training )
10121 SetTrainingModeOff();
10123 oldGameMode = gameMode;
10124 if (gameMode != BeginningOfGame) {
10125 Reset(FALSE, TRUE);
10129 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10130 fclose(lastLoadGameFP);
10134 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10137 fseek(f, lg->offset, 0);
10138 GameListHighlight(gameNumber);
10142 DisplayError(_("Game number out of range"), 0);
10147 if (fseek(f, 0, 0) == -1) {
10148 if (f == lastLoadGameFP ?
10149 gameNumber == lastLoadGameNumber + 1 :
10153 DisplayError(_("Can't seek on game file"), 0);
10158 lastLoadGameFP = f;
10159 lastLoadGameNumber = gameNumber;
10160 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10161 lastLoadGameUseList = useList;
10165 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10166 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10167 lg->gameInfo.black);
10169 } else if (*title != NULLCHAR) {
10170 if (gameNumber > 1) {
10171 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10174 DisplayTitle(title);
10178 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10179 gameMode = PlayFromGameFile;
10183 currentMove = forwardMostMove = backwardMostMove = 0;
10184 CopyBoard(boards[0], initialPosition);
10188 * Skip the first gn-1 games in the file.
10189 * Also skip over anything that precedes an identifiable
10190 * start of game marker, to avoid being confused by
10191 * garbage at the start of the file. Currently
10192 * recognized start of game markers are the move number "1",
10193 * the pattern "gnuchess .* game", the pattern
10194 * "^[#;%] [^ ]* game file", and a PGN tag block.
10195 * A game that starts with one of the latter two patterns
10196 * will also have a move number 1, possibly
10197 * following a position diagram.
10198 * 5-4-02: Let's try being more lenient and allowing a game to
10199 * start with an unnumbered move. Does that break anything?
10201 cm = lastLoadGameStart = EndOfFile;
10203 yyboardindex = forwardMostMove;
10204 cm = (ChessMove) Myylex();
10207 if (cmailMsgLoaded) {
10208 nCmailGames = CMAIL_MAX_GAMES - gn;
10211 DisplayError(_("Game not found in file"), 0);
10218 lastLoadGameStart = cm;
10221 case MoveNumberOne:
10222 switch (lastLoadGameStart) {
10227 case MoveNumberOne:
10229 gn--; /* count this game */
10230 lastLoadGameStart = cm;
10239 switch (lastLoadGameStart) {
10242 case MoveNumberOne:
10244 gn--; /* count this game */
10245 lastLoadGameStart = cm;
10248 lastLoadGameStart = cm; /* game counted already */
10256 yyboardindex = forwardMostMove;
10257 cm = (ChessMove) Myylex();
10258 } while (cm == PGNTag || cm == Comment);
10265 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10266 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10267 != CMAIL_OLD_RESULT) {
10269 cmailResult[ CMAIL_MAX_GAMES
10270 - gn - 1] = CMAIL_OLD_RESULT;
10276 /* Only a NormalMove can be at the start of a game
10277 * without a position diagram. */
10278 if (lastLoadGameStart == EndOfFile ) {
10280 lastLoadGameStart = MoveNumberOne;
10289 if (appData.debugMode)
10290 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10292 if (cm == XBoardGame) {
10293 /* Skip any header junk before position diagram and/or move 1 */
10295 yyboardindex = forwardMostMove;
10296 cm = (ChessMove) Myylex();
10298 if (cm == EndOfFile ||
10299 cm == GNUChessGame || cm == XBoardGame) {
10300 /* Empty game; pretend end-of-file and handle later */
10305 if (cm == MoveNumberOne || cm == PositionDiagram ||
10306 cm == PGNTag || cm == Comment)
10309 } else if (cm == GNUChessGame) {
10310 if (gameInfo.event != NULL) {
10311 free(gameInfo.event);
10313 gameInfo.event = StrSave(yy_text);
10316 startedFromSetupPosition = FALSE;
10317 while (cm == PGNTag) {
10318 if (appData.debugMode)
10319 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10320 err = ParsePGNTag(yy_text, &gameInfo);
10321 if (!err) numPGNTags++;
10323 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10324 if(gameInfo.variant != oldVariant) {
10325 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10326 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10327 InitPosition(TRUE);
10328 oldVariant = gameInfo.variant;
10329 if (appData.debugMode)
10330 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10334 if (gameInfo.fen != NULL) {
10335 Board initial_position;
10336 startedFromSetupPosition = TRUE;
10337 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10339 DisplayError(_("Bad FEN position in file"), 0);
10342 CopyBoard(boards[0], initial_position);
10343 if (blackPlaysFirst) {
10344 currentMove = forwardMostMove = backwardMostMove = 1;
10345 CopyBoard(boards[1], initial_position);
10346 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10347 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10348 timeRemaining[0][1] = whiteTimeRemaining;
10349 timeRemaining[1][1] = blackTimeRemaining;
10350 if (commentList[0] != NULL) {
10351 commentList[1] = commentList[0];
10352 commentList[0] = NULL;
10355 currentMove = forwardMostMove = backwardMostMove = 0;
10357 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10359 initialRulePlies = FENrulePlies;
10360 for( i=0; i< nrCastlingRights; i++ )
10361 initialRights[i] = initial_position[CASTLING][i];
10363 yyboardindex = forwardMostMove;
10364 free(gameInfo.fen);
10365 gameInfo.fen = NULL;
10368 yyboardindex = forwardMostMove;
10369 cm = (ChessMove) Myylex();
10371 /* Handle comments interspersed among the tags */
10372 while (cm == Comment) {
10374 if (appData.debugMode)
10375 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10377 AppendComment(currentMove, p, FALSE);
10378 yyboardindex = forwardMostMove;
10379 cm = (ChessMove) Myylex();
10383 /* don't rely on existence of Event tag since if game was
10384 * pasted from clipboard the Event tag may not exist
10386 if (numPGNTags > 0){
10388 if (gameInfo.variant == VariantNormal) {
10389 VariantClass v = StringToVariant(gameInfo.event);
10390 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10391 if(v < VariantShogi) gameInfo.variant = v;
10394 if( appData.autoDisplayTags ) {
10395 tags = PGNTags(&gameInfo);
10396 TagsPopUp(tags, CmailMsg());
10401 /* Make something up, but don't display it now */
10406 if (cm == PositionDiagram) {
10409 Board initial_position;
10411 if (appData.debugMode)
10412 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10414 if (!startedFromSetupPosition) {
10416 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10417 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10427 initial_position[i][j++] = CharToPiece(*p);
10430 while (*p == ' ' || *p == '\t' ||
10431 *p == '\n' || *p == '\r') p++;
10433 if (strncmp(p, "black", strlen("black"))==0)
10434 blackPlaysFirst = TRUE;
10436 blackPlaysFirst = FALSE;
10437 startedFromSetupPosition = TRUE;
10439 CopyBoard(boards[0], initial_position);
10440 if (blackPlaysFirst) {
10441 currentMove = forwardMostMove = backwardMostMove = 1;
10442 CopyBoard(boards[1], initial_position);
10443 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10444 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10445 timeRemaining[0][1] = whiteTimeRemaining;
10446 timeRemaining[1][1] = blackTimeRemaining;
10447 if (commentList[0] != NULL) {
10448 commentList[1] = commentList[0];
10449 commentList[0] = NULL;
10452 currentMove = forwardMostMove = backwardMostMove = 0;
10455 yyboardindex = forwardMostMove;
10456 cm = (ChessMove) Myylex();
10459 if (first.pr == NoProc) {
10460 StartChessProgram(&first);
10462 InitChessProgram(&first, FALSE);
10463 SendToProgram("force\n", &first);
10464 if (startedFromSetupPosition) {
10465 SendBoard(&first, forwardMostMove);
10466 if (appData.debugMode) {
10467 fprintf(debugFP, "Load Game\n");
10469 DisplayBothClocks();
10472 /* [HGM] server: flag to write setup moves in broadcast file as one */
10473 loadFlag = appData.suppressLoadMoves;
10475 while (cm == Comment) {
10477 if (appData.debugMode)
10478 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10480 AppendComment(currentMove, p, FALSE);
10481 yyboardindex = forwardMostMove;
10482 cm = (ChessMove) Myylex();
10485 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10486 cm == WhiteWins || cm == BlackWins ||
10487 cm == GameIsDrawn || cm == GameUnfinished) {
10488 DisplayMessage("", _("No moves in game"));
10489 if (cmailMsgLoaded) {
10490 if (appData.debugMode)
10491 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10495 DrawPosition(FALSE, boards[currentMove]);
10496 DisplayBothClocks();
10497 gameMode = EditGame;
10504 // [HGM] PV info: routine tests if comment empty
10505 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10506 DisplayComment(currentMove - 1, commentList[currentMove]);
10508 if (!matchMode && appData.timeDelay != 0)
10509 DrawPosition(FALSE, boards[currentMove]);
10511 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10512 programStats.ok_to_send = 1;
10515 /* if the first token after the PGN tags is a move
10516 * and not move number 1, retrieve it from the parser
10518 if (cm != MoveNumberOne)
10519 LoadGameOneMove(cm);
10521 /* load the remaining moves from the file */
10522 while (LoadGameOneMove(EndOfFile)) {
10523 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10524 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10527 /* rewind to the start of the game */
10528 currentMove = backwardMostMove;
10530 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10532 if (oldGameMode == AnalyzeFile ||
10533 oldGameMode == AnalyzeMode) {
10534 AnalyzeFileEvent();
10537 if (matchMode || appData.timeDelay == 0) {
10539 gameMode = EditGame;
10541 } else if (appData.timeDelay > 0) {
10542 AutoPlayGameLoop();
10545 if (appData.debugMode)
10546 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10548 loadFlag = 0; /* [HGM] true game starts */
10552 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10554 ReloadPosition(offset)
10557 int positionNumber = lastLoadPositionNumber + offset;
10558 if (lastLoadPositionFP == NULL) {
10559 DisplayError(_("No position has been loaded yet"), 0);
10562 if (positionNumber <= 0) {
10563 DisplayError(_("Can't back up any further"), 0);
10566 return LoadPosition(lastLoadPositionFP, positionNumber,
10567 lastLoadPositionTitle);
10570 /* Load the nth position from the given file */
10572 LoadPositionFromFile(filename, n, title)
10580 if (strcmp(filename, "-") == 0) {
10581 return LoadPosition(stdin, n, "stdin");
10583 f = fopen(filename, "rb");
10585 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10586 DisplayError(buf, errno);
10589 return LoadPosition(f, n, title);
10594 /* Load the nth position from the given open file, and close it */
10596 LoadPosition(f, positionNumber, title)
10598 int positionNumber;
10601 char *p, line[MSG_SIZ];
10602 Board initial_position;
10603 int i, j, fenMode, pn;
10605 if (gameMode == Training )
10606 SetTrainingModeOff();
10608 if (gameMode != BeginningOfGame) {
10609 Reset(FALSE, TRUE);
10611 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10612 fclose(lastLoadPositionFP);
10614 if (positionNumber == 0) positionNumber = 1;
10615 lastLoadPositionFP = f;
10616 lastLoadPositionNumber = positionNumber;
10617 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10618 if (first.pr == NoProc) {
10619 StartChessProgram(&first);
10620 InitChessProgram(&first, FALSE);
10622 pn = positionNumber;
10623 if (positionNumber < 0) {
10624 /* Negative position number means to seek to that byte offset */
10625 if (fseek(f, -positionNumber, 0) == -1) {
10626 DisplayError(_("Can't seek on position file"), 0);
10631 if (fseek(f, 0, 0) == -1) {
10632 if (f == lastLoadPositionFP ?
10633 positionNumber == lastLoadPositionNumber + 1 :
10634 positionNumber == 1) {
10637 DisplayError(_("Can't seek on position file"), 0);
10642 /* See if this file is FEN or old-style xboard */
10643 if (fgets(line, MSG_SIZ, f) == NULL) {
10644 DisplayError(_("Position not found in file"), 0);
10647 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10648 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10651 if (fenMode || line[0] == '#') pn--;
10653 /* skip positions before number pn */
10654 if (fgets(line, MSG_SIZ, f) == NULL) {
10656 DisplayError(_("Position not found in file"), 0);
10659 if (fenMode || line[0] == '#') pn--;
10664 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10665 DisplayError(_("Bad FEN position in file"), 0);
10669 (void) fgets(line, MSG_SIZ, f);
10670 (void) fgets(line, MSG_SIZ, f);
10672 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10673 (void) fgets(line, MSG_SIZ, f);
10674 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10677 initial_position[i][j++] = CharToPiece(*p);
10681 blackPlaysFirst = FALSE;
10683 (void) fgets(line, MSG_SIZ, f);
10684 if (strncmp(line, "black", strlen("black"))==0)
10685 blackPlaysFirst = TRUE;
10688 startedFromSetupPosition = TRUE;
10690 SendToProgram("force\n", &first);
10691 CopyBoard(boards[0], initial_position);
10692 if (blackPlaysFirst) {
10693 currentMove = forwardMostMove = backwardMostMove = 1;
10694 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10695 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10696 CopyBoard(boards[1], initial_position);
10697 DisplayMessage("", _("Black to play"));
10699 currentMove = forwardMostMove = backwardMostMove = 0;
10700 DisplayMessage("", _("White to play"));
10702 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10703 SendBoard(&first, forwardMostMove);
10704 if (appData.debugMode) {
10706 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10707 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10708 fprintf(debugFP, "Load Position\n");
10711 if (positionNumber > 1) {
10712 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10713 DisplayTitle(line);
10715 DisplayTitle(title);
10717 gameMode = EditGame;
10720 timeRemaining[0][1] = whiteTimeRemaining;
10721 timeRemaining[1][1] = blackTimeRemaining;
10722 DrawPosition(FALSE, boards[currentMove]);
10729 CopyPlayerNameIntoFileName(dest, src)
10732 while (*src != NULLCHAR && *src != ',') {
10737 *(*dest)++ = *src++;
10742 char *DefaultFileName(ext)
10745 static char def[MSG_SIZ];
10748 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10750 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10752 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10754 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10761 /* Save the current game to the given file */
10763 SaveGameToFile(filename, append)
10770 if (strcmp(filename, "-") == 0) {
10771 return SaveGame(stdout, 0, NULL);
10773 f = fopen(filename, append ? "a" : "w");
10775 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10776 DisplayError(buf, errno);
10779 return SaveGame(f, 0, NULL);
10788 static char buf[MSG_SIZ];
10791 p = strchr(str, ' ');
10792 if (p == NULL) return str;
10793 strncpy(buf, str, p - str);
10794 buf[p - str] = NULLCHAR;
10798 #define PGN_MAX_LINE 75
10800 #define PGN_SIDE_WHITE 0
10801 #define PGN_SIDE_BLACK 1
10804 static int FindFirstMoveOutOfBook( int side )
10808 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10809 int index = backwardMostMove;
10810 int has_book_hit = 0;
10812 if( (index % 2) != side ) {
10816 while( index < forwardMostMove ) {
10817 /* Check to see if engine is in book */
10818 int depth = pvInfoList[index].depth;
10819 int score = pvInfoList[index].score;
10825 else if( score == 0 && depth == 63 ) {
10826 in_book = 1; /* Zappa */
10828 else if( score == 2 && depth == 99 ) {
10829 in_book = 1; /* Abrok */
10832 has_book_hit += in_book;
10848 void GetOutOfBookInfo( char * buf )
10852 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10854 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10855 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10859 if( oob[0] >= 0 || oob[1] >= 0 ) {
10860 for( i=0; i<2; i++ ) {
10864 if( i > 0 && oob[0] >= 0 ) {
10865 strcat( buf, " " );
10868 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10869 sprintf( buf+strlen(buf), "%s%.2f",
10870 pvInfoList[idx].score >= 0 ? "+" : "",
10871 pvInfoList[idx].score / 100.0 );
10877 /* Save game in PGN style and close the file */
10882 int i, offset, linelen, newblock;
10886 int movelen, numlen, blank;
10887 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10889 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10891 tm = time((time_t *) NULL);
10893 PrintPGNTags(f, &gameInfo);
10895 if (backwardMostMove > 0 || startedFromSetupPosition) {
10896 char *fen = PositionToFEN(backwardMostMove, NULL);
10897 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10898 fprintf(f, "\n{--------------\n");
10899 PrintPosition(f, backwardMostMove);
10900 fprintf(f, "--------------}\n");
10904 /* [AS] Out of book annotation */
10905 if( appData.saveOutOfBookInfo ) {
10908 GetOutOfBookInfo( buf );
10910 if( buf[0] != '\0' ) {
10911 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10918 i = backwardMostMove;
10922 while (i < forwardMostMove) {
10923 /* Print comments preceding this move */
10924 if (commentList[i] != NULL) {
10925 if (linelen > 0) fprintf(f, "\n");
10926 fprintf(f, "%s", commentList[i]);
10931 /* Format move number */
10933 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10936 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10938 numtext[0] = NULLCHAR;
10940 numlen = strlen(numtext);
10943 /* Print move number */
10944 blank = linelen > 0 && numlen > 0;
10945 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10954 fprintf(f, "%s", numtext);
10958 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10959 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10962 blank = linelen > 0 && movelen > 0;
10963 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10972 fprintf(f, "%s", move_buffer);
10973 linelen += movelen;
10975 /* [AS] Add PV info if present */
10976 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10977 /* [HGM] add time */
10978 char buf[MSG_SIZ]; int seconds;
10980 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10986 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10989 seconds = (seconds + 4)/10; // round to full seconds
10991 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10993 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10996 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10997 pvInfoList[i].score >= 0 ? "+" : "",
10998 pvInfoList[i].score / 100.0,
10999 pvInfoList[i].depth,
11002 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11004 /* Print score/depth */
11005 blank = linelen > 0 && movelen > 0;
11006 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11015 fprintf(f, "%s", move_buffer);
11016 linelen += movelen;
11022 /* Start a new line */
11023 if (linelen > 0) fprintf(f, "\n");
11025 /* Print comments after last move */
11026 if (commentList[i] != NULL) {
11027 fprintf(f, "%s\n", commentList[i]);
11031 if (gameInfo.resultDetails != NULL &&
11032 gameInfo.resultDetails[0] != NULLCHAR) {
11033 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11034 PGNResult(gameInfo.result));
11036 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11040 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11044 /* Save game in old style and close the file */
11046 SaveGameOldStyle(f)
11052 tm = time((time_t *) NULL);
11054 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11057 if (backwardMostMove > 0 || startedFromSetupPosition) {
11058 fprintf(f, "\n[--------------\n");
11059 PrintPosition(f, backwardMostMove);
11060 fprintf(f, "--------------]\n");
11065 i = backwardMostMove;
11066 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11068 while (i < forwardMostMove) {
11069 if (commentList[i] != NULL) {
11070 fprintf(f, "[%s]\n", commentList[i]);
11073 if ((i % 2) == 1) {
11074 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11077 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11079 if (commentList[i] != NULL) {
11083 if (i >= forwardMostMove) {
11087 fprintf(f, "%s\n", parseList[i]);
11092 if (commentList[i] != NULL) {
11093 fprintf(f, "[%s]\n", commentList[i]);
11096 /* This isn't really the old style, but it's close enough */
11097 if (gameInfo.resultDetails != NULL &&
11098 gameInfo.resultDetails[0] != NULLCHAR) {
11099 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11100 gameInfo.resultDetails);
11102 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11109 /* Save the current game to open file f and close the file */
11111 SaveGame(f, dummy, dummy2)
11116 if (gameMode == EditPosition) EditPositionDone(TRUE);
11117 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11118 if (appData.oldSaveStyle)
11119 return SaveGameOldStyle(f);
11121 return SaveGamePGN(f);
11124 /* Save the current position to the given file */
11126 SavePositionToFile(filename)
11132 if (strcmp(filename, "-") == 0) {
11133 return SavePosition(stdout, 0, NULL);
11135 f = fopen(filename, "a");
11137 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11138 DisplayError(buf, errno);
11141 SavePosition(f, 0, NULL);
11147 /* Save the current position to the given open file and close the file */
11149 SavePosition(f, dummy, dummy2)
11157 if (gameMode == EditPosition) EditPositionDone(TRUE);
11158 if (appData.oldSaveStyle) {
11159 tm = time((time_t *) NULL);
11161 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11163 fprintf(f, "[--------------\n");
11164 PrintPosition(f, currentMove);
11165 fprintf(f, "--------------]\n");
11167 fen = PositionToFEN(currentMove, NULL);
11168 fprintf(f, "%s\n", fen);
11176 ReloadCmailMsgEvent(unregister)
11180 static char *inFilename = NULL;
11181 static char *outFilename;
11183 struct stat inbuf, outbuf;
11186 /* Any registered moves are unregistered if unregister is set, */
11187 /* i.e. invoked by the signal handler */
11189 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11190 cmailMoveRegistered[i] = FALSE;
11191 if (cmailCommentList[i] != NULL) {
11192 free(cmailCommentList[i]);
11193 cmailCommentList[i] = NULL;
11196 nCmailMovesRegistered = 0;
11199 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11200 cmailResult[i] = CMAIL_NOT_RESULT;
11204 if (inFilename == NULL) {
11205 /* Because the filenames are static they only get malloced once */
11206 /* and they never get freed */
11207 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11208 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11210 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11211 sprintf(outFilename, "%s.out", appData.cmailGameName);
11214 status = stat(outFilename, &outbuf);
11216 cmailMailedMove = FALSE;
11218 status = stat(inFilename, &inbuf);
11219 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11222 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11223 counts the games, notes how each one terminated, etc.
11225 It would be nice to remove this kludge and instead gather all
11226 the information while building the game list. (And to keep it
11227 in the game list nodes instead of having a bunch of fixed-size
11228 parallel arrays.) Note this will require getting each game's
11229 termination from the PGN tags, as the game list builder does
11230 not process the game moves. --mann
11232 cmailMsgLoaded = TRUE;
11233 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11235 /* Load first game in the file or popup game menu */
11236 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11238 #endif /* !WIN32 */
11246 char string[MSG_SIZ];
11248 if ( cmailMailedMove
11249 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11250 return TRUE; /* Allow free viewing */
11253 /* Unregister move to ensure that we don't leave RegisterMove */
11254 /* with the move registered when the conditions for registering no */
11256 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11257 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11258 nCmailMovesRegistered --;
11260 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11262 free(cmailCommentList[lastLoadGameNumber - 1]);
11263 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11267 if (cmailOldMove == -1) {
11268 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11272 if (currentMove > cmailOldMove + 1) {
11273 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11277 if (currentMove < cmailOldMove) {
11278 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11282 if (forwardMostMove > currentMove) {
11283 /* Silently truncate extra moves */
11287 if ( (currentMove == cmailOldMove + 1)
11288 || ( (currentMove == cmailOldMove)
11289 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11290 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11291 if (gameInfo.result != GameUnfinished) {
11292 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11295 if (commentList[currentMove] != NULL) {
11296 cmailCommentList[lastLoadGameNumber - 1]
11297 = StrSave(commentList[currentMove]);
11299 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11301 if (appData.debugMode)
11302 fprintf(debugFP, "Saving %s for game %d\n",
11303 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11305 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11307 f = fopen(string, "w");
11308 if (appData.oldSaveStyle) {
11309 SaveGameOldStyle(f); /* also closes the file */
11311 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11312 f = fopen(string, "w");
11313 SavePosition(f, 0, NULL); /* also closes the file */
11315 fprintf(f, "{--------------\n");
11316 PrintPosition(f, currentMove);
11317 fprintf(f, "--------------}\n\n");
11319 SaveGame(f, 0, NULL); /* also closes the file*/
11322 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11323 nCmailMovesRegistered ++;
11324 } else if (nCmailGames == 1) {
11325 DisplayError(_("You have not made a move yet"), 0);
11336 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11337 FILE *commandOutput;
11338 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11339 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11345 if (! cmailMsgLoaded) {
11346 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11350 if (nCmailGames == nCmailResults) {
11351 DisplayError(_("No unfinished games"), 0);
11355 #if CMAIL_PROHIBIT_REMAIL
11356 if (cmailMailedMove) {
11357 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);
11358 DisplayError(msg, 0);
11363 if (! (cmailMailedMove || RegisterMove())) return;
11365 if ( cmailMailedMove
11366 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11367 snprintf(string, MSG_SIZ, partCommandString,
11368 appData.debugMode ? " -v" : "", appData.cmailGameName);
11369 commandOutput = popen(string, "r");
11371 if (commandOutput == NULL) {
11372 DisplayError(_("Failed to invoke cmail"), 0);
11374 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11375 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11377 if (nBuffers > 1) {
11378 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11379 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11380 nBytes = MSG_SIZ - 1;
11382 (void) memcpy(msg, buffer, nBytes);
11384 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11386 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11387 cmailMailedMove = TRUE; /* Prevent >1 moves */
11390 for (i = 0; i < nCmailGames; i ++) {
11391 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11396 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11398 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11400 appData.cmailGameName,
11402 LoadGameFromFile(buffer, 1, buffer, FALSE);
11403 cmailMsgLoaded = FALSE;
11407 DisplayInformation(msg);
11408 pclose(commandOutput);
11411 if ((*cmailMsg) != '\0') {
11412 DisplayInformation(cmailMsg);
11417 #endif /* !WIN32 */
11426 int prependComma = 0;
11428 char string[MSG_SIZ]; /* Space for game-list */
11431 if (!cmailMsgLoaded) return "";
11433 if (cmailMailedMove) {
11434 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11436 /* Create a list of games left */
11437 snprintf(string, MSG_SIZ, "[");
11438 for (i = 0; i < nCmailGames; i ++) {
11439 if (! ( cmailMoveRegistered[i]
11440 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11441 if (prependComma) {
11442 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11444 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11448 strcat(string, number);
11451 strcat(string, "]");
11453 if (nCmailMovesRegistered + nCmailResults == 0) {
11454 switch (nCmailGames) {
11456 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11460 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11464 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11469 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11471 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11476 if (nCmailResults == nCmailGames) {
11477 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11479 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11484 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11496 if (gameMode == Training)
11497 SetTrainingModeOff();
11500 cmailMsgLoaded = FALSE;
11501 if (appData.icsActive) {
11502 SendToICS(ics_prefix);
11503 SendToICS("refresh\n");
11513 /* Give up on clean exit */
11517 /* Keep trying for clean exit */
11521 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11523 if (telnetISR != NULL) {
11524 RemoveInputSource(telnetISR);
11526 if (icsPR != NoProc) {
11527 DestroyChildProcess(icsPR, TRUE);
11530 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11531 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11533 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11534 /* make sure this other one finishes before killing it! */
11535 if(endingGame) { int count = 0;
11536 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11537 while(endingGame && count++ < 10) DoSleep(1);
11538 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11541 /* Kill off chess programs */
11542 if (first.pr != NoProc) {
11545 DoSleep( appData.delayBeforeQuit );
11546 SendToProgram("quit\n", &first);
11547 DoSleep( appData.delayAfterQuit );
11548 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11550 if (second.pr != NoProc) {
11551 DoSleep( appData.delayBeforeQuit );
11552 SendToProgram("quit\n", &second);
11553 DoSleep( appData.delayAfterQuit );
11554 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11556 if (first.isr != NULL) {
11557 RemoveInputSource(first.isr);
11559 if (second.isr != NULL) {
11560 RemoveInputSource(second.isr);
11563 ShutDownFrontEnd();
11570 if (appData.debugMode)
11571 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11575 if (gameMode == MachinePlaysWhite ||
11576 gameMode == MachinePlaysBlack) {
11579 DisplayBothClocks();
11581 if (gameMode == PlayFromGameFile) {
11582 if (appData.timeDelay >= 0)
11583 AutoPlayGameLoop();
11584 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11585 Reset(FALSE, TRUE);
11586 SendToICS(ics_prefix);
11587 SendToICS("refresh\n");
11588 } else if (currentMove < forwardMostMove) {
11589 ForwardInner(forwardMostMove);
11591 pauseExamInvalid = FALSE;
11593 switch (gameMode) {
11597 pauseExamForwardMostMove = forwardMostMove;
11598 pauseExamInvalid = FALSE;
11601 case IcsPlayingWhite:
11602 case IcsPlayingBlack:
11606 case PlayFromGameFile:
11607 (void) StopLoadGameTimer();
11611 case BeginningOfGame:
11612 if (appData.icsActive) return;
11613 /* else fall through */
11614 case MachinePlaysWhite:
11615 case MachinePlaysBlack:
11616 case TwoMachinesPlay:
11617 if (forwardMostMove == 0)
11618 return; /* don't pause if no one has moved */
11619 if ((gameMode == MachinePlaysWhite &&
11620 !WhiteOnMove(forwardMostMove)) ||
11621 (gameMode == MachinePlaysBlack &&
11622 WhiteOnMove(forwardMostMove))) {
11635 char title[MSG_SIZ];
11637 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11638 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11640 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11641 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11642 parseList[currentMove - 1]);
11645 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11652 char *tags = PGNTags(&gameInfo);
11653 EditTagsPopUp(tags, NULL);
11660 if (appData.noChessProgram || gameMode == AnalyzeMode)
11663 if (gameMode != AnalyzeFile) {
11664 if (!appData.icsEngineAnalyze) {
11666 if (gameMode != EditGame) return;
11668 ResurrectChessProgram();
11669 SendToProgram("analyze\n", &first);
11670 first.analyzing = TRUE;
11671 /*first.maybeThinking = TRUE;*/
11672 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11673 EngineOutputPopUp();
11675 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11680 StartAnalysisClock();
11681 GetTimeMark(&lastNodeCountTime);
11688 if (appData.noChessProgram || gameMode == AnalyzeFile)
11691 if (gameMode != AnalyzeMode) {
11693 if (gameMode != EditGame) return;
11694 ResurrectChessProgram();
11695 SendToProgram("analyze\n", &first);
11696 first.analyzing = TRUE;
11697 /*first.maybeThinking = TRUE;*/
11698 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11699 EngineOutputPopUp();
11701 gameMode = AnalyzeFile;
11706 StartAnalysisClock();
11707 GetTimeMark(&lastNodeCountTime);
11712 MachineWhiteEvent()
11715 char *bookHit = NULL;
11717 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11721 if (gameMode == PlayFromGameFile ||
11722 gameMode == TwoMachinesPlay ||
11723 gameMode == Training ||
11724 gameMode == AnalyzeMode ||
11725 gameMode == EndOfGame)
11728 if (gameMode == EditPosition)
11729 EditPositionDone(TRUE);
11731 if (!WhiteOnMove(currentMove)) {
11732 DisplayError(_("It is not White's turn"), 0);
11736 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11739 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11740 gameMode == AnalyzeFile)
11743 ResurrectChessProgram(); /* in case it isn't running */
11744 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11745 gameMode = MachinePlaysWhite;
11748 gameMode = MachinePlaysWhite;
11752 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11754 if (first.sendName) {
11755 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11756 SendToProgram(buf, &first);
11758 if (first.sendTime) {
11759 if (first.useColors) {
11760 SendToProgram("black\n", &first); /*gnu kludge*/
11762 SendTimeRemaining(&first, TRUE);
11764 if (first.useColors) {
11765 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11767 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11768 SetMachineThinkingEnables();
11769 first.maybeThinking = TRUE;
11773 if (appData.autoFlipView && !flipView) {
11774 flipView = !flipView;
11775 DrawPosition(FALSE, NULL);
11776 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11779 if(bookHit) { // [HGM] book: simulate book reply
11780 static char bookMove[MSG_SIZ]; // a bit generous?
11782 programStats.nodes = programStats.depth = programStats.time =
11783 programStats.score = programStats.got_only_move = 0;
11784 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11786 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11787 strcat(bookMove, bookHit);
11788 HandleMachineMove(bookMove, &first);
11793 MachineBlackEvent()
11796 char *bookHit = NULL;
11798 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11802 if (gameMode == PlayFromGameFile ||
11803 gameMode == TwoMachinesPlay ||
11804 gameMode == Training ||
11805 gameMode == AnalyzeMode ||
11806 gameMode == EndOfGame)
11809 if (gameMode == EditPosition)
11810 EditPositionDone(TRUE);
11812 if (WhiteOnMove(currentMove)) {
11813 DisplayError(_("It is not Black's turn"), 0);
11817 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11820 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11821 gameMode == AnalyzeFile)
11824 ResurrectChessProgram(); /* in case it isn't running */
11825 gameMode = MachinePlaysBlack;
11829 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11831 if (first.sendName) {
11832 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11833 SendToProgram(buf, &first);
11835 if (first.sendTime) {
11836 if (first.useColors) {
11837 SendToProgram("white\n", &first); /*gnu kludge*/
11839 SendTimeRemaining(&first, FALSE);
11841 if (first.useColors) {
11842 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11844 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11845 SetMachineThinkingEnables();
11846 first.maybeThinking = TRUE;
11849 if (appData.autoFlipView && flipView) {
11850 flipView = !flipView;
11851 DrawPosition(FALSE, NULL);
11852 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11854 if(bookHit) { // [HGM] book: simulate book reply
11855 static char bookMove[MSG_SIZ]; // a bit generous?
11857 programStats.nodes = programStats.depth = programStats.time =
11858 programStats.score = programStats.got_only_move = 0;
11859 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11861 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11862 strcat(bookMove, bookHit);
11863 HandleMachineMove(bookMove, &first);
11869 DisplayTwoMachinesTitle()
11872 if (appData.matchGames > 0) {
11873 if (first.twoMachinesColor[0] == 'w') {
11874 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11875 gameInfo.white, gameInfo.black,
11876 first.matchWins, second.matchWins,
11877 matchGame - 1 - (first.matchWins + second.matchWins));
11879 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11880 gameInfo.white, gameInfo.black,
11881 second.matchWins, first.matchWins,
11882 matchGame - 1 - (first.matchWins + second.matchWins));
11885 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11891 SettingsMenuIfReady()
11893 if (second.lastPing != second.lastPong) {
11894 DisplayMessage("", _("Waiting for second chess program"));
11895 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11899 DisplayMessage("", "");
11900 SettingsPopUp(&second);
11904 WaitForSecond(DelayedEventCallback retry)
11906 if (second.pr == NULL) {
11907 StartChessProgram(&second);
11908 if (second.protocolVersion == 1) {
11911 /* kludge: allow timeout for initial "feature" command */
11913 DisplayMessage("", _("Starting second chess program"));
11914 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11922 TwoMachinesEvent P((void))
11926 ChessProgramState *onmove;
11927 char *bookHit = NULL;
11929 if (appData.noChessProgram) return;
11931 switch (gameMode) {
11932 case TwoMachinesPlay:
11934 case MachinePlaysWhite:
11935 case MachinePlaysBlack:
11936 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11937 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11941 case BeginningOfGame:
11942 case PlayFromGameFile:
11945 if (gameMode != EditGame) return;
11948 EditPositionDone(TRUE);
11959 // forwardMostMove = currentMove;
11960 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11961 ResurrectChessProgram(); /* in case first program isn't running */
11963 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11964 DisplayMessage("", "");
11965 InitChessProgram(&second, FALSE);
11966 SendToProgram("force\n", &second);
11967 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11968 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11971 if (startedFromSetupPosition) {
11972 SendBoard(&second, backwardMostMove);
11973 if (appData.debugMode) {
11974 fprintf(debugFP, "Two Machines\n");
11977 for (i = backwardMostMove; i < forwardMostMove; i++) {
11978 SendMoveToProgram(i, &second);
11981 gameMode = TwoMachinesPlay;
11985 DisplayTwoMachinesTitle();
11987 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11993 SendToProgram(first.computerString, &first);
11994 if (first.sendName) {
11995 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11996 SendToProgram(buf, &first);
11998 SendToProgram(second.computerString, &second);
11999 if (second.sendName) {
12000 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12001 SendToProgram(buf, &second);
12005 if (!first.sendTime || !second.sendTime) {
12006 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12007 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12009 if (onmove->sendTime) {
12010 if (onmove->useColors) {
12011 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12013 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12015 if (onmove->useColors) {
12016 SendToProgram(onmove->twoMachinesColor, onmove);
12018 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12019 // SendToProgram("go\n", onmove);
12020 onmove->maybeThinking = TRUE;
12021 SetMachineThinkingEnables();
12025 if(bookHit) { // [HGM] book: simulate book reply
12026 static char bookMove[MSG_SIZ]; // a bit generous?
12028 programStats.nodes = programStats.depth = programStats.time =
12029 programStats.score = programStats.got_only_move = 0;
12030 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12032 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12033 strcat(bookMove, bookHit);
12034 savedMessage = bookMove; // args for deferred call
12035 savedState = onmove;
12036 ScheduleDelayedEvent(DeferredBookMove, 1);
12043 if (gameMode == Training) {
12044 SetTrainingModeOff();
12045 gameMode = PlayFromGameFile;
12046 DisplayMessage("", _("Training mode off"));
12048 gameMode = Training;
12049 animateTraining = appData.animate;
12051 /* make sure we are not already at the end of the game */
12052 if (currentMove < forwardMostMove) {
12053 SetTrainingModeOn();
12054 DisplayMessage("", _("Training mode on"));
12056 gameMode = PlayFromGameFile;
12057 DisplayError(_("Already at end of game"), 0);
12066 if (!appData.icsActive) return;
12067 switch (gameMode) {
12068 case IcsPlayingWhite:
12069 case IcsPlayingBlack:
12072 case BeginningOfGame:
12080 EditPositionDone(TRUE);
12093 gameMode = IcsIdle;
12104 switch (gameMode) {
12106 SetTrainingModeOff();
12108 case MachinePlaysWhite:
12109 case MachinePlaysBlack:
12110 case BeginningOfGame:
12111 SendToProgram("force\n", &first);
12112 SetUserThinkingEnables();
12114 case PlayFromGameFile:
12115 (void) StopLoadGameTimer();
12116 if (gameFileFP != NULL) {
12121 EditPositionDone(TRUE);
12126 SendToProgram("force\n", &first);
12128 case TwoMachinesPlay:
12129 GameEnds(EndOfFile, NULL, GE_PLAYER);
12130 ResurrectChessProgram();
12131 SetUserThinkingEnables();
12134 ResurrectChessProgram();
12136 case IcsPlayingBlack:
12137 case IcsPlayingWhite:
12138 DisplayError(_("Warning: You are still playing a game"), 0);
12141 DisplayError(_("Warning: You are still observing a game"), 0);
12144 DisplayError(_("Warning: You are still examining a game"), 0);
12155 first.offeredDraw = second.offeredDraw = 0;
12157 if (gameMode == PlayFromGameFile) {
12158 whiteTimeRemaining = timeRemaining[0][currentMove];
12159 blackTimeRemaining = timeRemaining[1][currentMove];
12163 if (gameMode == MachinePlaysWhite ||
12164 gameMode == MachinePlaysBlack ||
12165 gameMode == TwoMachinesPlay ||
12166 gameMode == EndOfGame) {
12167 i = forwardMostMove;
12168 while (i > currentMove) {
12169 SendToProgram("undo\n", &first);
12172 whiteTimeRemaining = timeRemaining[0][currentMove];
12173 blackTimeRemaining = timeRemaining[1][currentMove];
12174 DisplayBothClocks();
12175 if (whiteFlag || blackFlag) {
12176 whiteFlag = blackFlag = 0;
12181 gameMode = EditGame;
12188 EditPositionEvent()
12190 if (gameMode == EditPosition) {
12196 if (gameMode != EditGame) return;
12198 gameMode = EditPosition;
12201 if (currentMove > 0)
12202 CopyBoard(boards[0], boards[currentMove]);
12204 blackPlaysFirst = !WhiteOnMove(currentMove);
12206 currentMove = forwardMostMove = backwardMostMove = 0;
12207 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12214 /* [DM] icsEngineAnalyze - possible call from other functions */
12215 if (appData.icsEngineAnalyze) {
12216 appData.icsEngineAnalyze = FALSE;
12218 DisplayMessage("",_("Close ICS engine analyze..."));
12220 if (first.analysisSupport && first.analyzing) {
12221 SendToProgram("exit\n", &first);
12222 first.analyzing = FALSE;
12224 thinkOutput[0] = NULLCHAR;
12228 EditPositionDone(Boolean fakeRights)
12230 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12232 startedFromSetupPosition = TRUE;
12233 InitChessProgram(&first, FALSE);
12234 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12235 boards[0][EP_STATUS] = EP_NONE;
12236 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12237 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12238 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12239 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12240 } else boards[0][CASTLING][2] = NoRights;
12241 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12242 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12243 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12244 } else boards[0][CASTLING][5] = NoRights;
12246 SendToProgram("force\n", &first);
12247 if (blackPlaysFirst) {
12248 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12249 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12250 currentMove = forwardMostMove = backwardMostMove = 1;
12251 CopyBoard(boards[1], boards[0]);
12253 currentMove = forwardMostMove = backwardMostMove = 0;
12255 SendBoard(&first, forwardMostMove);
12256 if (appData.debugMode) {
12257 fprintf(debugFP, "EditPosDone\n");
12260 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12261 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12262 gameMode = EditGame;
12264 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12265 ClearHighlights(); /* [AS] */
12268 /* Pause for `ms' milliseconds */
12269 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12279 } while (SubtractTimeMarks(&m2, &m1) < ms);
12282 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12284 SendMultiLineToICS(buf)
12287 char temp[MSG_SIZ+1], *p;
12294 strncpy(temp, buf, len);
12299 if (*p == '\n' || *p == '\r')
12304 strcat(temp, "\n");
12306 SendToPlayer(temp, strlen(temp));
12310 SetWhiteToPlayEvent()
12312 if (gameMode == EditPosition) {
12313 blackPlaysFirst = FALSE;
12314 DisplayBothClocks(); /* works because currentMove is 0 */
12315 } else if (gameMode == IcsExamining) {
12316 SendToICS(ics_prefix);
12317 SendToICS("tomove white\n");
12322 SetBlackToPlayEvent()
12324 if (gameMode == EditPosition) {
12325 blackPlaysFirst = TRUE;
12326 currentMove = 1; /* kludge */
12327 DisplayBothClocks();
12329 } else if (gameMode == IcsExamining) {
12330 SendToICS(ics_prefix);
12331 SendToICS("tomove black\n");
12336 EditPositionMenuEvent(selection, x, y)
12337 ChessSquare selection;
12341 ChessSquare piece = boards[0][y][x];
12343 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12345 switch (selection) {
12347 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12348 SendToICS(ics_prefix);
12349 SendToICS("bsetup clear\n");
12350 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12351 SendToICS(ics_prefix);
12352 SendToICS("clearboard\n");
12354 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12355 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12356 for (y = 0; y < BOARD_HEIGHT; y++) {
12357 if (gameMode == IcsExamining) {
12358 if (boards[currentMove][y][x] != EmptySquare) {
12359 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12364 boards[0][y][x] = p;
12369 if (gameMode == EditPosition) {
12370 DrawPosition(FALSE, boards[0]);
12375 SetWhiteToPlayEvent();
12379 SetBlackToPlayEvent();
12383 if (gameMode == IcsExamining) {
12384 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12385 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12388 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12389 if(x == BOARD_LEFT-2) {
12390 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12391 boards[0][y][1] = 0;
12393 if(x == BOARD_RGHT+1) {
12394 if(y >= gameInfo.holdingsSize) break;
12395 boards[0][y][BOARD_WIDTH-2] = 0;
12398 boards[0][y][x] = EmptySquare;
12399 DrawPosition(FALSE, boards[0]);
12404 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12405 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12406 selection = (ChessSquare) (PROMOTED piece);
12407 } else if(piece == EmptySquare) selection = WhiteSilver;
12408 else selection = (ChessSquare)((int)piece - 1);
12412 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12413 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12414 selection = (ChessSquare) (DEMOTED piece);
12415 } else if(piece == EmptySquare) selection = BlackSilver;
12416 else selection = (ChessSquare)((int)piece + 1);
12421 if(gameInfo.variant == VariantShatranj ||
12422 gameInfo.variant == VariantXiangqi ||
12423 gameInfo.variant == VariantCourier ||
12424 gameInfo.variant == VariantMakruk )
12425 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12430 if(gameInfo.variant == VariantXiangqi)
12431 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12432 if(gameInfo.variant == VariantKnightmate)
12433 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12436 if (gameMode == IcsExamining) {
12437 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12438 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12439 PieceToChar(selection), AAA + x, ONE + y);
12442 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12444 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12445 n = PieceToNumber(selection - BlackPawn);
12446 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12447 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12448 boards[0][BOARD_HEIGHT-1-n][1]++;
12450 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12451 n = PieceToNumber(selection);
12452 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12453 boards[0][n][BOARD_WIDTH-1] = selection;
12454 boards[0][n][BOARD_WIDTH-2]++;
12457 boards[0][y][x] = selection;
12458 DrawPosition(TRUE, boards[0]);
12466 DropMenuEvent(selection, x, y)
12467 ChessSquare selection;
12470 ChessMove moveType;
12472 switch (gameMode) {
12473 case IcsPlayingWhite:
12474 case MachinePlaysBlack:
12475 if (!WhiteOnMove(currentMove)) {
12476 DisplayMoveError(_("It is Black's turn"));
12479 moveType = WhiteDrop;
12481 case IcsPlayingBlack:
12482 case MachinePlaysWhite:
12483 if (WhiteOnMove(currentMove)) {
12484 DisplayMoveError(_("It is White's turn"));
12487 moveType = BlackDrop;
12490 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12496 if (moveType == BlackDrop && selection < BlackPawn) {
12497 selection = (ChessSquare) ((int) selection
12498 + (int) BlackPawn - (int) WhitePawn);
12500 if (boards[currentMove][y][x] != EmptySquare) {
12501 DisplayMoveError(_("That square is occupied"));
12505 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12511 /* Accept a pending offer of any kind from opponent */
12513 if (appData.icsActive) {
12514 SendToICS(ics_prefix);
12515 SendToICS("accept\n");
12516 } else if (cmailMsgLoaded) {
12517 if (currentMove == cmailOldMove &&
12518 commentList[cmailOldMove] != NULL &&
12519 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12520 "Black offers a draw" : "White offers a draw")) {
12522 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12523 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12525 DisplayError(_("There is no pending offer on this move"), 0);
12526 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12529 /* Not used for offers from chess program */
12536 /* Decline a pending offer of any kind from opponent */
12538 if (appData.icsActive) {
12539 SendToICS(ics_prefix);
12540 SendToICS("decline\n");
12541 } else if (cmailMsgLoaded) {
12542 if (currentMove == cmailOldMove &&
12543 commentList[cmailOldMove] != NULL &&
12544 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12545 "Black offers a draw" : "White offers a draw")) {
12547 AppendComment(cmailOldMove, "Draw declined", TRUE);
12548 DisplayComment(cmailOldMove - 1, "Draw declined");
12551 DisplayError(_("There is no pending offer on this move"), 0);
12554 /* Not used for offers from chess program */
12561 /* Issue ICS rematch command */
12562 if (appData.icsActive) {
12563 SendToICS(ics_prefix);
12564 SendToICS("rematch\n");
12571 /* Call your opponent's flag (claim a win on time) */
12572 if (appData.icsActive) {
12573 SendToICS(ics_prefix);
12574 SendToICS("flag\n");
12576 switch (gameMode) {
12579 case MachinePlaysWhite:
12582 GameEnds(GameIsDrawn, "Both players ran out of time",
12585 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12587 DisplayError(_("Your opponent is not out of time"), 0);
12590 case MachinePlaysBlack:
12593 GameEnds(GameIsDrawn, "Both players ran out of time",
12596 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12598 DisplayError(_("Your opponent is not out of time"), 0);
12608 /* Offer draw or accept pending draw offer from opponent */
12610 if (appData.icsActive) {
12611 /* Note: tournament rules require draw offers to be
12612 made after you make your move but before you punch
12613 your clock. Currently ICS doesn't let you do that;
12614 instead, you immediately punch your clock after making
12615 a move, but you can offer a draw at any time. */
12617 SendToICS(ics_prefix);
12618 SendToICS("draw\n");
12619 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12620 } else if (cmailMsgLoaded) {
12621 if (currentMove == cmailOldMove &&
12622 commentList[cmailOldMove] != NULL &&
12623 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12624 "Black offers a draw" : "White offers a draw")) {
12625 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12626 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12627 } else if (currentMove == cmailOldMove + 1) {
12628 char *offer = WhiteOnMove(cmailOldMove) ?
12629 "White offers a draw" : "Black offers a draw";
12630 AppendComment(currentMove, offer, TRUE);
12631 DisplayComment(currentMove - 1, offer);
12632 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12634 DisplayError(_("You must make your move before offering a draw"), 0);
12635 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12637 } else if (first.offeredDraw) {
12638 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12640 if (first.sendDrawOffers) {
12641 SendToProgram("draw\n", &first);
12642 userOfferedDraw = TRUE;
12650 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12652 if (appData.icsActive) {
12653 SendToICS(ics_prefix);
12654 SendToICS("adjourn\n");
12656 /* Currently GNU Chess doesn't offer or accept Adjourns */
12664 /* Offer Abort or accept pending Abort offer from opponent */
12666 if (appData.icsActive) {
12667 SendToICS(ics_prefix);
12668 SendToICS("abort\n");
12670 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12677 /* Resign. You can do this even if it's not your turn. */
12679 if (appData.icsActive) {
12680 SendToICS(ics_prefix);
12681 SendToICS("resign\n");
12683 switch (gameMode) {
12684 case MachinePlaysWhite:
12685 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12687 case MachinePlaysBlack:
12688 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12691 if (cmailMsgLoaded) {
12693 if (WhiteOnMove(cmailOldMove)) {
12694 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12696 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12698 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12709 StopObservingEvent()
12711 /* Stop observing current games */
12712 SendToICS(ics_prefix);
12713 SendToICS("unobserve\n");
12717 StopExaminingEvent()
12719 /* Stop observing current game */
12720 SendToICS(ics_prefix);
12721 SendToICS("unexamine\n");
12725 ForwardInner(target)
12730 if (appData.debugMode)
12731 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12732 target, currentMove, forwardMostMove);
12734 if (gameMode == EditPosition)
12737 if (gameMode == PlayFromGameFile && !pausing)
12740 if (gameMode == IcsExamining && pausing)
12741 limit = pauseExamForwardMostMove;
12743 limit = forwardMostMove;
12745 if (target > limit) target = limit;
12747 if (target > 0 && moveList[target - 1][0]) {
12748 int fromX, fromY, toX, toY;
12749 toX = moveList[target - 1][2] - AAA;
12750 toY = moveList[target - 1][3] - ONE;
12751 if (moveList[target - 1][1] == '@') {
12752 if (appData.highlightLastMove) {
12753 SetHighlights(-1, -1, toX, toY);
12756 fromX = moveList[target - 1][0] - AAA;
12757 fromY = moveList[target - 1][1] - ONE;
12758 if (target == currentMove + 1) {
12759 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12761 if (appData.highlightLastMove) {
12762 SetHighlights(fromX, fromY, toX, toY);
12766 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12767 gameMode == Training || gameMode == PlayFromGameFile ||
12768 gameMode == AnalyzeFile) {
12769 while (currentMove < target) {
12770 SendMoveToProgram(currentMove++, &first);
12773 currentMove = target;
12776 if (gameMode == EditGame || gameMode == EndOfGame) {
12777 whiteTimeRemaining = timeRemaining[0][currentMove];
12778 blackTimeRemaining = timeRemaining[1][currentMove];
12780 DisplayBothClocks();
12781 DisplayMove(currentMove - 1);
12782 DrawPosition(FALSE, boards[currentMove]);
12783 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12784 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12785 DisplayComment(currentMove - 1, commentList[currentMove]);
12793 if (gameMode == IcsExamining && !pausing) {
12794 SendToICS(ics_prefix);
12795 SendToICS("forward\n");
12797 ForwardInner(currentMove + 1);
12804 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12805 /* to optimze, we temporarily turn off analysis mode while we feed
12806 * the remaining moves to the engine. Otherwise we get analysis output
12809 if (first.analysisSupport) {
12810 SendToProgram("exit\nforce\n", &first);
12811 first.analyzing = FALSE;
12815 if (gameMode == IcsExamining && !pausing) {
12816 SendToICS(ics_prefix);
12817 SendToICS("forward 999999\n");
12819 ForwardInner(forwardMostMove);
12822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12823 /* we have fed all the moves, so reactivate analysis mode */
12824 SendToProgram("analyze\n", &first);
12825 first.analyzing = TRUE;
12826 /*first.maybeThinking = TRUE;*/
12827 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12832 BackwardInner(target)
12835 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12837 if (appData.debugMode)
12838 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12839 target, currentMove, forwardMostMove);
12841 if (gameMode == EditPosition) return;
12842 if (currentMove <= backwardMostMove) {
12844 DrawPosition(full_redraw, boards[currentMove]);
12847 if (gameMode == PlayFromGameFile && !pausing)
12850 if (moveList[target][0]) {
12851 int fromX, fromY, toX, toY;
12852 toX = moveList[target][2] - AAA;
12853 toY = moveList[target][3] - ONE;
12854 if (moveList[target][1] == '@') {
12855 if (appData.highlightLastMove) {
12856 SetHighlights(-1, -1, toX, toY);
12859 fromX = moveList[target][0] - AAA;
12860 fromY = moveList[target][1] - ONE;
12861 if (target == currentMove - 1) {
12862 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12864 if (appData.highlightLastMove) {
12865 SetHighlights(fromX, fromY, toX, toY);
12869 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12870 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12871 while (currentMove > target) {
12872 SendToProgram("undo\n", &first);
12876 currentMove = target;
12879 if (gameMode == EditGame || gameMode == EndOfGame) {
12880 whiteTimeRemaining = timeRemaining[0][currentMove];
12881 blackTimeRemaining = timeRemaining[1][currentMove];
12883 DisplayBothClocks();
12884 DisplayMove(currentMove - 1);
12885 DrawPosition(full_redraw, boards[currentMove]);
12886 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12887 // [HGM] PV info: routine tests if comment empty
12888 DisplayComment(currentMove - 1, commentList[currentMove]);
12894 if (gameMode == IcsExamining && !pausing) {
12895 SendToICS(ics_prefix);
12896 SendToICS("backward\n");
12898 BackwardInner(currentMove - 1);
12905 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12906 /* to optimize, we temporarily turn off analysis mode while we undo
12907 * all the moves. Otherwise we get analysis output after each undo.
12909 if (first.analysisSupport) {
12910 SendToProgram("exit\nforce\n", &first);
12911 first.analyzing = FALSE;
12915 if (gameMode == IcsExamining && !pausing) {
12916 SendToICS(ics_prefix);
12917 SendToICS("backward 999999\n");
12919 BackwardInner(backwardMostMove);
12922 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12923 /* we have fed all the moves, so reactivate analysis mode */
12924 SendToProgram("analyze\n", &first);
12925 first.analyzing = TRUE;
12926 /*first.maybeThinking = TRUE;*/
12927 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12934 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12935 if (to >= forwardMostMove) to = forwardMostMove;
12936 if (to <= backwardMostMove) to = backwardMostMove;
12937 if (to < currentMove) {
12945 RevertEvent(Boolean annotate)
12947 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12950 if (gameMode != IcsExamining) {
12951 DisplayError(_("You are not examining a game"), 0);
12955 DisplayError(_("You can't revert while pausing"), 0);
12958 SendToICS(ics_prefix);
12959 SendToICS("revert\n");
12965 switch (gameMode) {
12966 case MachinePlaysWhite:
12967 case MachinePlaysBlack:
12968 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12969 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12972 if (forwardMostMove < 2) return;
12973 currentMove = forwardMostMove = forwardMostMove - 2;
12974 whiteTimeRemaining = timeRemaining[0][currentMove];
12975 blackTimeRemaining = timeRemaining[1][currentMove];
12976 DisplayBothClocks();
12977 DisplayMove(currentMove - 1);
12978 ClearHighlights();/*!! could figure this out*/
12979 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12980 SendToProgram("remove\n", &first);
12981 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
12984 case BeginningOfGame:
12988 case IcsPlayingWhite:
12989 case IcsPlayingBlack:
12990 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
12991 SendToICS(ics_prefix);
12992 SendToICS("takeback 2\n");
12994 SendToICS(ics_prefix);
12995 SendToICS("takeback 1\n");
13004 ChessProgramState *cps;
13006 switch (gameMode) {
13007 case MachinePlaysWhite:
13008 if (!WhiteOnMove(forwardMostMove)) {
13009 DisplayError(_("It is your turn"), 0);
13014 case MachinePlaysBlack:
13015 if (WhiteOnMove(forwardMostMove)) {
13016 DisplayError(_("It is your turn"), 0);
13021 case TwoMachinesPlay:
13022 if (WhiteOnMove(forwardMostMove) ==
13023 (first.twoMachinesColor[0] == 'w')) {
13029 case BeginningOfGame:
13033 SendToProgram("?\n", cps);
13037 TruncateGameEvent()
13040 if (gameMode != EditGame) return;
13047 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13048 if (forwardMostMove > currentMove) {
13049 if (gameInfo.resultDetails != NULL) {
13050 free(gameInfo.resultDetails);
13051 gameInfo.resultDetails = NULL;
13052 gameInfo.result = GameUnfinished;
13054 forwardMostMove = currentMove;
13055 HistorySet(parseList, backwardMostMove, forwardMostMove,
13063 if (appData.noChessProgram) return;
13064 switch (gameMode) {
13065 case MachinePlaysWhite:
13066 if (WhiteOnMove(forwardMostMove)) {
13067 DisplayError(_("Wait until your turn"), 0);
13071 case BeginningOfGame:
13072 case MachinePlaysBlack:
13073 if (!WhiteOnMove(forwardMostMove)) {
13074 DisplayError(_("Wait until your turn"), 0);
13079 DisplayError(_("No hint available"), 0);
13082 SendToProgram("hint\n", &first);
13083 hintRequested = TRUE;
13089 if (appData.noChessProgram) return;
13090 switch (gameMode) {
13091 case MachinePlaysWhite:
13092 if (WhiteOnMove(forwardMostMove)) {
13093 DisplayError(_("Wait until your turn"), 0);
13097 case BeginningOfGame:
13098 case MachinePlaysBlack:
13099 if (!WhiteOnMove(forwardMostMove)) {
13100 DisplayError(_("Wait until your turn"), 0);
13105 EditPositionDone(TRUE);
13107 case TwoMachinesPlay:
13112 SendToProgram("bk\n", &first);
13113 bookOutput[0] = NULLCHAR;
13114 bookRequested = TRUE;
13120 char *tags = PGNTags(&gameInfo);
13121 TagsPopUp(tags, CmailMsg());
13125 /* end button procedures */
13128 PrintPosition(fp, move)
13134 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13135 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13136 char c = PieceToChar(boards[move][i][j]);
13137 fputc(c == 'x' ? '.' : c, fp);
13138 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13141 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13142 fprintf(fp, "white to play\n");
13144 fprintf(fp, "black to play\n");
13151 if (gameInfo.white != NULL) {
13152 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13158 /* Find last component of program's own name, using some heuristics */
13160 TidyProgramName(prog, host, buf)
13161 char *prog, *host, buf[MSG_SIZ];
13164 int local = (strcmp(host, "localhost") == 0);
13165 while (!local && (p = strchr(prog, ';')) != NULL) {
13167 while (*p == ' ') p++;
13170 if (*prog == '"' || *prog == '\'') {
13171 q = strchr(prog + 1, *prog);
13173 q = strchr(prog, ' ');
13175 if (q == NULL) q = prog + strlen(prog);
13177 while (p >= prog && *p != '/' && *p != '\\') p--;
13179 if(p == prog && *p == '"') p++;
13180 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13181 memcpy(buf, p, q - p);
13182 buf[q - p] = NULLCHAR;
13190 TimeControlTagValue()
13193 if (!appData.clockMode) {
13194 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13195 } else if (movesPerSession > 0) {
13196 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13197 } else if (timeIncrement == 0) {
13198 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13200 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13202 return StrSave(buf);
13208 /* This routine is used only for certain modes */
13209 VariantClass v = gameInfo.variant;
13210 ChessMove r = GameUnfinished;
13213 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13214 r = gameInfo.result;
13215 p = gameInfo.resultDetails;
13216 gameInfo.resultDetails = NULL;
13218 ClearGameInfo(&gameInfo);
13219 gameInfo.variant = v;
13221 switch (gameMode) {
13222 case MachinePlaysWhite:
13223 gameInfo.event = StrSave( appData.pgnEventHeader );
13224 gameInfo.site = StrSave(HostName());
13225 gameInfo.date = PGNDate();
13226 gameInfo.round = StrSave("-");
13227 gameInfo.white = StrSave(first.tidy);
13228 gameInfo.black = StrSave(UserName());
13229 gameInfo.timeControl = TimeControlTagValue();
13232 case MachinePlaysBlack:
13233 gameInfo.event = StrSave( appData.pgnEventHeader );
13234 gameInfo.site = StrSave(HostName());
13235 gameInfo.date = PGNDate();
13236 gameInfo.round = StrSave("-");
13237 gameInfo.white = StrSave(UserName());
13238 gameInfo.black = StrSave(first.tidy);
13239 gameInfo.timeControl = TimeControlTagValue();
13242 case TwoMachinesPlay:
13243 gameInfo.event = StrSave( appData.pgnEventHeader );
13244 gameInfo.site = StrSave(HostName());
13245 gameInfo.date = PGNDate();
13246 if (matchGame > 0) {
13248 snprintf(buf, MSG_SIZ, "%d", matchGame);
13249 gameInfo.round = StrSave(buf);
13251 gameInfo.round = StrSave("-");
13253 if (first.twoMachinesColor[0] == 'w') {
13254 gameInfo.white = StrSave(first.tidy);
13255 gameInfo.black = StrSave(second.tidy);
13257 gameInfo.white = StrSave(second.tidy);
13258 gameInfo.black = StrSave(first.tidy);
13260 gameInfo.timeControl = TimeControlTagValue();
13264 gameInfo.event = StrSave("Edited game");
13265 gameInfo.site = StrSave(HostName());
13266 gameInfo.date = PGNDate();
13267 gameInfo.round = StrSave("-");
13268 gameInfo.white = StrSave("-");
13269 gameInfo.black = StrSave("-");
13270 gameInfo.result = r;
13271 gameInfo.resultDetails = p;
13275 gameInfo.event = StrSave("Edited position");
13276 gameInfo.site = StrSave(HostName());
13277 gameInfo.date = PGNDate();
13278 gameInfo.round = StrSave("-");
13279 gameInfo.white = StrSave("-");
13280 gameInfo.black = StrSave("-");
13283 case IcsPlayingWhite:
13284 case IcsPlayingBlack:
13289 case PlayFromGameFile:
13290 gameInfo.event = StrSave("Game from non-PGN file");
13291 gameInfo.site = StrSave(HostName());
13292 gameInfo.date = PGNDate();
13293 gameInfo.round = StrSave("-");
13294 gameInfo.white = StrSave("?");
13295 gameInfo.black = StrSave("?");
13304 ReplaceComment(index, text)
13312 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13313 pvInfoList[index-1].depth == len &&
13314 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13315 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13316 while (*text == '\n') text++;
13317 len = strlen(text);
13318 while (len > 0 && text[len - 1] == '\n') len--;
13320 if (commentList[index] != NULL)
13321 free(commentList[index]);
13324 commentList[index] = NULL;
13327 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13328 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13329 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13330 commentList[index] = (char *) malloc(len + 2);
13331 strncpy(commentList[index], text, len);
13332 commentList[index][len] = '\n';
13333 commentList[index][len + 1] = NULLCHAR;
13335 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13337 commentList[index] = (char *) malloc(len + 7);
13338 safeStrCpy(commentList[index], "{\n", 3);
13339 safeStrCpy(commentList[index]+2, text, len+1);
13340 commentList[index][len+2] = NULLCHAR;
13341 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13342 strcat(commentList[index], "\n}\n");
13356 if (ch == '\r') continue;
13358 } while (ch != '\0');
13362 AppendComment(index, text, addBraces)
13365 Boolean addBraces; // [HGM] braces: tells if we should add {}
13370 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13371 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13374 while (*text == '\n') text++;
13375 len = strlen(text);
13376 while (len > 0 && text[len - 1] == '\n') len--;
13378 if (len == 0) return;
13380 if (commentList[index] != NULL) {
13381 old = commentList[index];
13382 oldlen = strlen(old);
13383 while(commentList[index][oldlen-1] == '\n')
13384 commentList[index][--oldlen] = NULLCHAR;
13385 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13386 safeStrCpy(commentList[index], old, oldlen + len + 6);
13388 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13389 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13390 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13391 while (*text == '\n') { text++; len--; }
13392 commentList[index][--oldlen] = NULLCHAR;
13394 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13395 else strcat(commentList[index], "\n");
13396 strcat(commentList[index], text);
13397 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13398 else strcat(commentList[index], "\n");
13400 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13402 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13403 else commentList[index][0] = NULLCHAR;
13404 strcat(commentList[index], text);
13405 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13406 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13410 static char * FindStr( char * text, char * sub_text )
13412 char * result = strstr( text, sub_text );
13414 if( result != NULL ) {
13415 result += strlen( sub_text );
13421 /* [AS] Try to extract PV info from PGN comment */
13422 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13423 char *GetInfoFromComment( int index, char * text )
13425 char * sep = text, *p;
13427 if( text != NULL && index > 0 ) {
13430 int time = -1, sec = 0, deci;
13431 char * s_eval = FindStr( text, "[%eval " );
13432 char * s_emt = FindStr( text, "[%emt " );
13434 if( s_eval != NULL || s_emt != NULL ) {
13438 if( s_eval != NULL ) {
13439 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13443 if( delim != ']' ) {
13448 if( s_emt != NULL ) {
13453 /* We expect something like: [+|-]nnn.nn/dd */
13456 if(*text != '{') return text; // [HGM] braces: must be normal comment
13458 sep = strchr( text, '/' );
13459 if( sep == NULL || sep < (text+4) ) {
13464 if(p[1] == '(') { // comment starts with PV
13465 p = strchr(p, ')'); // locate end of PV
13466 if(p == NULL || sep < p+5) return text;
13467 // at this point we have something like "{(.*) +0.23/6 ..."
13468 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13469 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13470 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13472 time = -1; sec = -1; deci = -1;
13473 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13474 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13475 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13476 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13480 if( score_lo < 0 || score_lo >= 100 ) {
13484 if(sec >= 0) time = 600*time + 10*sec; else
13485 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13487 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13489 /* [HGM] PV time: now locate end of PV info */
13490 while( *++sep >= '0' && *sep <= '9'); // strip depth
13492 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13494 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13496 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13497 while(*sep == ' ') sep++;
13508 pvInfoList[index-1].depth = depth;
13509 pvInfoList[index-1].score = score;
13510 pvInfoList[index-1].time = 10*time; // centi-sec
13511 if(*sep == '}') *sep = 0; else *--sep = '{';
13512 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13518 SendToProgram(message, cps)
13520 ChessProgramState *cps;
13522 int count, outCount, error;
13525 if (cps->pr == NULL) return;
13528 if (appData.debugMode) {
13531 fprintf(debugFP, "%ld >%-6s: %s",
13532 SubtractTimeMarks(&now, &programStartTime),
13533 cps->which, message);
13536 count = strlen(message);
13537 outCount = OutputToProcess(cps->pr, message, count, &error);
13538 if (outCount < count && !exiting
13539 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13540 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13541 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13542 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13543 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13544 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13546 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13548 gameInfo.resultDetails = StrSave(buf);
13550 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13555 ReceiveFromProgram(isr, closure, message, count, error)
13556 InputSourceRef isr;
13564 ChessProgramState *cps = (ChessProgramState *)closure;
13566 if (isr != cps->isr) return; /* Killed intentionally */
13569 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13570 cps->which, cps->program);
13571 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13572 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13573 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13574 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13576 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13578 gameInfo.resultDetails = StrSave(buf);
13580 RemoveInputSource(cps->isr);
13581 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13583 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13584 cps->which, cps->program);
13585 RemoveInputSource(cps->isr);
13587 /* [AS] Program is misbehaving badly... kill it */
13588 if( count == -2 ) {
13589 DestroyChildProcess( cps->pr, 9 );
13593 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13598 if ((end_str = strchr(message, '\r')) != NULL)
13599 *end_str = NULLCHAR;
13600 if ((end_str = strchr(message, '\n')) != NULL)
13601 *end_str = NULLCHAR;
13603 if (appData.debugMode) {
13604 TimeMark now; int print = 1;
13605 char *quote = ""; char c; int i;
13607 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13608 char start = message[0];
13609 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13610 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13611 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13612 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13613 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13614 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13615 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13616 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13617 sscanf(message, "hint: %c", &c)!=1 &&
13618 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13619 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13620 print = (appData.engineComments >= 2);
13622 message[0] = start; // restore original message
13626 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13627 SubtractTimeMarks(&now, &programStartTime), cps->which,
13633 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13634 if (appData.icsEngineAnalyze) {
13635 if (strstr(message, "whisper") != NULL ||
13636 strstr(message, "kibitz") != NULL ||
13637 strstr(message, "tellics") != NULL) return;
13640 HandleMachineMove(message, cps);
13645 SendTimeControl(cps, mps, tc, inc, sd, st)
13646 ChessProgramState *cps;
13647 int mps, inc, sd, st;
13653 if( timeControl_2 > 0 ) {
13654 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13655 tc = timeControl_2;
13658 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13659 inc /= cps->timeOdds;
13660 st /= cps->timeOdds;
13662 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13665 /* Set exact time per move, normally using st command */
13666 if (cps->stKludge) {
13667 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13669 if (seconds == 0) {
13670 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13672 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13675 snprintf(buf, MSG_SIZ, "st %d\n", st);
13678 /* Set conventional or incremental time control, using level command */
13679 if (seconds == 0) {
13680 /* Note old gnuchess bug -- minutes:seconds used to not work.
13681 Fixed in later versions, but still avoid :seconds
13682 when seconds is 0. */
13683 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13685 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13686 seconds, inc/1000.);
13689 SendToProgram(buf, cps);
13691 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13692 /* Orthogonally, limit search to given depth */
13694 if (cps->sdKludge) {
13695 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13697 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13699 SendToProgram(buf, cps);
13702 if(cps->nps > 0) { /* [HGM] nps */
13703 if(cps->supportsNPS == FALSE)
13704 cps->nps = -1; // don't use if engine explicitly says not supported!
13706 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13707 SendToProgram(buf, cps);
13712 ChessProgramState *WhitePlayer()
13713 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13715 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13716 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13722 SendTimeRemaining(cps, machineWhite)
13723 ChessProgramState *cps;
13724 int /*boolean*/ machineWhite;
13726 char message[MSG_SIZ];
13729 /* Note: this routine must be called when the clocks are stopped
13730 or when they have *just* been set or switched; otherwise
13731 it will be off by the time since the current tick started.
13733 if (machineWhite) {
13734 time = whiteTimeRemaining / 10;
13735 otime = blackTimeRemaining / 10;
13737 time = blackTimeRemaining / 10;
13738 otime = whiteTimeRemaining / 10;
13740 /* [HGM] translate opponent's time by time-odds factor */
13741 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13742 if (appData.debugMode) {
13743 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13746 if (time <= 0) time = 1;
13747 if (otime <= 0) otime = 1;
13749 snprintf(message, MSG_SIZ, "time %ld\n", time);
13750 SendToProgram(message, cps);
13752 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13753 SendToProgram(message, cps);
13757 BoolFeature(p, name, loc, cps)
13761 ChessProgramState *cps;
13764 int len = strlen(name);
13767 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13769 sscanf(*p, "%d", &val);
13771 while (**p && **p != ' ')
13773 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13774 SendToProgram(buf, cps);
13781 IntFeature(p, name, loc, cps)
13785 ChessProgramState *cps;
13788 int len = strlen(name);
13789 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13791 sscanf(*p, "%d", loc);
13792 while (**p && **p != ' ') (*p)++;
13793 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13794 SendToProgram(buf, cps);
13801 StringFeature(p, name, loc, cps)
13805 ChessProgramState *cps;
13808 int len = strlen(name);
13809 if (strncmp((*p), name, len) == 0
13810 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13812 sscanf(*p, "%[^\"]", loc);
13813 while (**p && **p != '\"') (*p)++;
13814 if (**p == '\"') (*p)++;
13815 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13816 SendToProgram(buf, cps);
13823 ParseOption(Option *opt, ChessProgramState *cps)
13824 // [HGM] options: process the string that defines an engine option, and determine
13825 // name, type, default value, and allowed value range
13827 char *p, *q, buf[MSG_SIZ];
13828 int n, min = (-1)<<31, max = 1<<31, def;
13830 if(p = strstr(opt->name, " -spin ")) {
13831 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13832 if(max < min) max = min; // enforce consistency
13833 if(def < min) def = min;
13834 if(def > max) def = max;
13839 } else if((p = strstr(opt->name, " -slider "))) {
13840 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13841 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13842 if(max < min) max = min; // enforce consistency
13843 if(def < min) def = min;
13844 if(def > max) def = max;
13848 opt->type = Spin; // Slider;
13849 } else if((p = strstr(opt->name, " -string "))) {
13850 opt->textValue = p+9;
13851 opt->type = TextBox;
13852 } else if((p = strstr(opt->name, " -file "))) {
13853 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13854 opt->textValue = p+7;
13855 opt->type = TextBox; // FileName;
13856 } else if((p = strstr(opt->name, " -path "))) {
13857 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13858 opt->textValue = p+7;
13859 opt->type = TextBox; // PathName;
13860 } else if(p = strstr(opt->name, " -check ")) {
13861 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13862 opt->value = (def != 0);
13863 opt->type = CheckBox;
13864 } else if(p = strstr(opt->name, " -combo ")) {
13865 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13866 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13867 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13868 opt->value = n = 0;
13869 while(q = StrStr(q, " /// ")) {
13870 n++; *q = 0; // count choices, and null-terminate each of them
13872 if(*q == '*') { // remember default, which is marked with * prefix
13876 cps->comboList[cps->comboCnt++] = q;
13878 cps->comboList[cps->comboCnt++] = NULL;
13880 opt->type = ComboBox;
13881 } else if(p = strstr(opt->name, " -button")) {
13882 opt->type = Button;
13883 } else if(p = strstr(opt->name, " -save")) {
13884 opt->type = SaveButton;
13885 } else return FALSE;
13886 *p = 0; // terminate option name
13887 // now look if the command-line options define a setting for this engine option.
13888 if(cps->optionSettings && cps->optionSettings[0])
13889 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13890 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13891 snprintf(buf, MSG_SIZ, "option %s", p);
13892 if(p = strstr(buf, ",")) *p = 0;
13893 if(q = strchr(buf, '=')) switch(opt->type) {
13895 for(n=0; n<opt->max; n++)
13896 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13899 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13903 opt->value = atoi(q+1);
13908 SendToProgram(buf, cps);
13914 FeatureDone(cps, val)
13915 ChessProgramState* cps;
13918 DelayedEventCallback cb = GetDelayedEvent();
13919 if ((cb == InitBackEnd3 && cps == &first) ||
13920 (cb == SettingsMenuIfReady && cps == &second) ||
13921 (cb == TwoMachinesEventIfReady && cps == &second)) {
13922 CancelDelayedEvent();
13923 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13925 cps->initDone = val;
13928 /* Parse feature command from engine */
13930 ParseFeatures(args, cps)
13932 ChessProgramState *cps;
13940 while (*p == ' ') p++;
13941 if (*p == NULLCHAR) return;
13943 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13944 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13945 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13946 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13947 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13948 if (BoolFeature(&p, "reuse", &val, cps)) {
13949 /* Engine can disable reuse, but can't enable it if user said no */
13950 if (!val) cps->reuse = FALSE;
13953 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13954 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13955 if (gameMode == TwoMachinesPlay) {
13956 DisplayTwoMachinesTitle();
13962 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13963 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13964 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13965 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13966 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13967 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13968 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13969 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13970 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13971 if (IntFeature(&p, "done", &val, cps)) {
13972 FeatureDone(cps, val);
13975 /* Added by Tord: */
13976 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13977 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13978 /* End of additions by Tord */
13980 /* [HGM] added features: */
13981 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
13982 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
13983 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
13984 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
13985 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
13986 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
13987 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
13988 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
13989 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
13990 SendToProgram(buf, cps);
13993 if(cps->nrOptions >= MAX_OPTIONS) {
13995 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
13996 DisplayError(buf, 0);
14000 /* End of additions by HGM */
14002 /* unknown feature: complain and skip */
14004 while (*q && *q != '=') q++;
14005 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14006 SendToProgram(buf, cps);
14012 while (*p && *p != '\"') p++;
14013 if (*p == '\"') p++;
14015 while (*p && *p != ' ') p++;
14023 PeriodicUpdatesEvent(newState)
14026 if (newState == appData.periodicUpdates)
14029 appData.periodicUpdates=newState;
14031 /* Display type changes, so update it now */
14032 // DisplayAnalysis();
14034 /* Get the ball rolling again... */
14036 AnalysisPeriodicEvent(1);
14037 StartAnalysisClock();
14042 PonderNextMoveEvent(newState)
14045 if (newState == appData.ponderNextMove) return;
14046 if (gameMode == EditPosition) EditPositionDone(TRUE);
14048 SendToProgram("hard\n", &first);
14049 if (gameMode == TwoMachinesPlay) {
14050 SendToProgram("hard\n", &second);
14053 SendToProgram("easy\n", &first);
14054 thinkOutput[0] = NULLCHAR;
14055 if (gameMode == TwoMachinesPlay) {
14056 SendToProgram("easy\n", &second);
14059 appData.ponderNextMove = newState;
14063 NewSettingEvent(option, feature, command, value)
14065 int option, value, *feature;
14069 if (gameMode == EditPosition) EditPositionDone(TRUE);
14070 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14071 if(feature == NULL || *feature) SendToProgram(buf, &first);
14072 if (gameMode == TwoMachinesPlay) {
14073 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14078 ShowThinkingEvent()
14079 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14081 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14082 int newState = appData.showThinking
14083 // [HGM] thinking: other features now need thinking output as well
14084 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14086 if (oldState == newState) return;
14087 oldState = newState;
14088 if (gameMode == EditPosition) EditPositionDone(TRUE);
14090 SendToProgram("post\n", &first);
14091 if (gameMode == TwoMachinesPlay) {
14092 SendToProgram("post\n", &second);
14095 SendToProgram("nopost\n", &first);
14096 thinkOutput[0] = NULLCHAR;
14097 if (gameMode == TwoMachinesPlay) {
14098 SendToProgram("nopost\n", &second);
14101 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14105 AskQuestionEvent(title, question, replyPrefix, which)
14106 char *title; char *question; char *replyPrefix; char *which;
14108 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14109 if (pr == NoProc) return;
14110 AskQuestion(title, question, replyPrefix, pr);
14114 DisplayMove(moveNumber)
14117 char message[MSG_SIZ];
14119 char cpThinkOutput[MSG_SIZ];
14121 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14123 if (moveNumber == forwardMostMove - 1 ||
14124 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14126 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14128 if (strchr(cpThinkOutput, '\n')) {
14129 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14132 *cpThinkOutput = NULLCHAR;
14135 /* [AS] Hide thinking from human user */
14136 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14137 *cpThinkOutput = NULLCHAR;
14138 if( thinkOutput[0] != NULLCHAR ) {
14141 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14142 cpThinkOutput[i] = '.';
14144 cpThinkOutput[i] = NULLCHAR;
14145 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14149 if (moveNumber == forwardMostMove - 1 &&
14150 gameInfo.resultDetails != NULL) {
14151 if (gameInfo.resultDetails[0] == NULLCHAR) {
14152 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14154 snprintf(res, MSG_SIZ, " {%s} %s",
14155 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14161 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14162 DisplayMessage(res, cpThinkOutput);
14164 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14165 WhiteOnMove(moveNumber) ? " " : ".. ",
14166 parseList[moveNumber], res);
14167 DisplayMessage(message, cpThinkOutput);
14172 DisplayComment(moveNumber, text)
14176 char title[MSG_SIZ];
14177 char buf[8000]; // comment can be long!
14180 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14181 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14183 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14184 WhiteOnMove(moveNumber) ? " " : ".. ",
14185 parseList[moveNumber]);
14187 // [HGM] PV info: display PV info together with (or as) comment
14188 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14189 if(text == NULL) text = "";
14190 score = pvInfoList[moveNumber].score;
14191 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14192 depth, (pvInfoList[moveNumber].time+50)/100, text);
14195 if (text != NULL && (appData.autoDisplayComment || commentUp))
14196 CommentPopUp(title, text);
14199 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14200 * might be busy thinking or pondering. It can be omitted if your
14201 * gnuchess is configured to stop thinking immediately on any user
14202 * input. However, that gnuchess feature depends on the FIONREAD
14203 * ioctl, which does not work properly on some flavors of Unix.
14207 ChessProgramState *cps;
14210 if (!cps->useSigint) return;
14211 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14212 switch (gameMode) {
14213 case MachinePlaysWhite:
14214 case MachinePlaysBlack:
14215 case TwoMachinesPlay:
14216 case IcsPlayingWhite:
14217 case IcsPlayingBlack:
14220 /* Skip if we know it isn't thinking */
14221 if (!cps->maybeThinking) return;
14222 if (appData.debugMode)
14223 fprintf(debugFP, "Interrupting %s\n", cps->which);
14224 InterruptChildProcess(cps->pr);
14225 cps->maybeThinking = FALSE;
14230 #endif /*ATTENTION*/
14236 if (whiteTimeRemaining <= 0) {
14239 if (appData.icsActive) {
14240 if (appData.autoCallFlag &&
14241 gameMode == IcsPlayingBlack && !blackFlag) {
14242 SendToICS(ics_prefix);
14243 SendToICS("flag\n");
14247 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14249 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14250 if (appData.autoCallFlag) {
14251 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14258 if (blackTimeRemaining <= 0) {
14261 if (appData.icsActive) {
14262 if (appData.autoCallFlag &&
14263 gameMode == IcsPlayingWhite && !whiteFlag) {
14264 SendToICS(ics_prefix);
14265 SendToICS("flag\n");
14269 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14271 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14272 if (appData.autoCallFlag) {
14273 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14286 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14287 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14290 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14292 if ( !WhiteOnMove(forwardMostMove) ) {
14293 /* White made time control */
14294 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14295 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14296 /* [HGM] time odds: correct new time quota for time odds! */
14297 / WhitePlayer()->timeOdds;
14298 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14300 lastBlack -= blackTimeRemaining;
14301 /* Black made time control */
14302 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14303 / WhitePlayer()->other->timeOdds;
14304 lastWhite = whiteTimeRemaining;
14309 DisplayBothClocks()
14311 int wom = gameMode == EditPosition ?
14312 !blackPlaysFirst : WhiteOnMove(currentMove);
14313 DisplayWhiteClock(whiteTimeRemaining, wom);
14314 DisplayBlackClock(blackTimeRemaining, !wom);
14318 /* Timekeeping seems to be a portability nightmare. I think everyone
14319 has ftime(), but I'm really not sure, so I'm including some ifdefs
14320 to use other calls if you don't. Clocks will be less accurate if
14321 you have neither ftime nor gettimeofday.
14324 /* VS 2008 requires the #include outside of the function */
14325 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14326 #include <sys/timeb.h>
14329 /* Get the current time as a TimeMark */
14334 #if HAVE_GETTIMEOFDAY
14336 struct timeval timeVal;
14337 struct timezone timeZone;
14339 gettimeofday(&timeVal, &timeZone);
14340 tm->sec = (long) timeVal.tv_sec;
14341 tm->ms = (int) (timeVal.tv_usec / 1000L);
14343 #else /*!HAVE_GETTIMEOFDAY*/
14346 // include <sys/timeb.h> / moved to just above start of function
14347 struct timeb timeB;
14350 tm->sec = (long) timeB.time;
14351 tm->ms = (int) timeB.millitm;
14353 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14354 tm->sec = (long) time(NULL);
14360 /* Return the difference in milliseconds between two
14361 time marks. We assume the difference will fit in a long!
14364 SubtractTimeMarks(tm2, tm1)
14365 TimeMark *tm2, *tm1;
14367 return 1000L*(tm2->sec - tm1->sec) +
14368 (long) (tm2->ms - tm1->ms);
14373 * Code to manage the game clocks.
14375 * In tournament play, black starts the clock and then white makes a move.
14376 * We give the human user a slight advantage if he is playing white---the
14377 * clocks don't run until he makes his first move, so it takes zero time.
14378 * Also, we don't account for network lag, so we could get out of sync
14379 * with GNU Chess's clock -- but then, referees are always right.
14382 static TimeMark tickStartTM;
14383 static long intendedTickLength;
14386 NextTickLength(timeRemaining)
14387 long timeRemaining;
14389 long nominalTickLength, nextTickLength;
14391 if (timeRemaining > 0L && timeRemaining <= 10000L)
14392 nominalTickLength = 100L;
14394 nominalTickLength = 1000L;
14395 nextTickLength = timeRemaining % nominalTickLength;
14396 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14398 return nextTickLength;
14401 /* Adjust clock one minute up or down */
14403 AdjustClock(Boolean which, int dir)
14405 if(which) blackTimeRemaining += 60000*dir;
14406 else whiteTimeRemaining += 60000*dir;
14407 DisplayBothClocks();
14410 /* Stop clocks and reset to a fresh time control */
14414 (void) StopClockTimer();
14415 if (appData.icsActive) {
14416 whiteTimeRemaining = blackTimeRemaining = 0;
14417 } else if (searchTime) {
14418 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14419 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14420 } else { /* [HGM] correct new time quote for time odds */
14421 whiteTC = blackTC = fullTimeControlString;
14422 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14423 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14425 if (whiteFlag || blackFlag) {
14427 whiteFlag = blackFlag = FALSE;
14429 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14430 DisplayBothClocks();
14433 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14435 /* Decrement running clock by amount of time that has passed */
14439 long timeRemaining;
14440 long lastTickLength, fudge;
14443 if (!appData.clockMode) return;
14444 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14448 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14450 /* Fudge if we woke up a little too soon */
14451 fudge = intendedTickLength - lastTickLength;
14452 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14454 if (WhiteOnMove(forwardMostMove)) {
14455 if(whiteNPS >= 0) lastTickLength = 0;
14456 timeRemaining = whiteTimeRemaining -= lastTickLength;
14457 if(timeRemaining < 0 && !appData.icsActive) {
14458 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14459 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14460 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14461 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14464 DisplayWhiteClock(whiteTimeRemaining - fudge,
14465 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14467 if(blackNPS >= 0) lastTickLength = 0;
14468 timeRemaining = blackTimeRemaining -= lastTickLength;
14469 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14470 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14472 blackStartMove = forwardMostMove;
14473 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14476 DisplayBlackClock(blackTimeRemaining - fudge,
14477 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14479 if (CheckFlags()) return;
14482 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14483 StartClockTimer(intendedTickLength);
14485 /* if the time remaining has fallen below the alarm threshold, sound the
14486 * alarm. if the alarm has sounded and (due to a takeback or time control
14487 * with increment) the time remaining has increased to a level above the
14488 * threshold, reset the alarm so it can sound again.
14491 if (appData.icsActive && appData.icsAlarm) {
14493 /* make sure we are dealing with the user's clock */
14494 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14495 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14498 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14499 alarmSounded = FALSE;
14500 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14502 alarmSounded = TRUE;
14508 /* A player has just moved, so stop the previously running
14509 clock and (if in clock mode) start the other one.
14510 We redisplay both clocks in case we're in ICS mode, because
14511 ICS gives us an update to both clocks after every move.
14512 Note that this routine is called *after* forwardMostMove
14513 is updated, so the last fractional tick must be subtracted
14514 from the color that is *not* on move now.
14517 SwitchClocks(int newMoveNr)
14519 long lastTickLength;
14521 int flagged = FALSE;
14525 if (StopClockTimer() && appData.clockMode) {
14526 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14527 if (!WhiteOnMove(forwardMostMove)) {
14528 if(blackNPS >= 0) lastTickLength = 0;
14529 blackTimeRemaining -= lastTickLength;
14530 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14531 // if(pvInfoList[forwardMostMove-1].time == -1)
14532 pvInfoList[forwardMostMove-1].time = // use GUI time
14533 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14535 if(whiteNPS >= 0) lastTickLength = 0;
14536 whiteTimeRemaining -= lastTickLength;
14537 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14538 // if(pvInfoList[forwardMostMove-1].time == -1)
14539 pvInfoList[forwardMostMove-1].time =
14540 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14542 flagged = CheckFlags();
14544 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14545 CheckTimeControl();
14547 if (flagged || !appData.clockMode) return;
14549 switch (gameMode) {
14550 case MachinePlaysBlack:
14551 case MachinePlaysWhite:
14552 case BeginningOfGame:
14553 if (pausing) return;
14557 case PlayFromGameFile:
14565 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14566 if(WhiteOnMove(forwardMostMove))
14567 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14568 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14572 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14573 whiteTimeRemaining : blackTimeRemaining);
14574 StartClockTimer(intendedTickLength);
14578 /* Stop both clocks */
14582 long lastTickLength;
14585 if (!StopClockTimer()) return;
14586 if (!appData.clockMode) return;
14590 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14591 if (WhiteOnMove(forwardMostMove)) {
14592 if(whiteNPS >= 0) lastTickLength = 0;
14593 whiteTimeRemaining -= lastTickLength;
14594 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14596 if(blackNPS >= 0) lastTickLength = 0;
14597 blackTimeRemaining -= lastTickLength;
14598 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14603 /* Start clock of player on move. Time may have been reset, so
14604 if clock is already running, stop and restart it. */
14608 (void) StopClockTimer(); /* in case it was running already */
14609 DisplayBothClocks();
14610 if (CheckFlags()) return;
14612 if (!appData.clockMode) return;
14613 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14615 GetTimeMark(&tickStartTM);
14616 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14617 whiteTimeRemaining : blackTimeRemaining);
14619 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14620 whiteNPS = blackNPS = -1;
14621 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14622 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14623 whiteNPS = first.nps;
14624 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14625 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14626 blackNPS = first.nps;
14627 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14628 whiteNPS = second.nps;
14629 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14630 blackNPS = second.nps;
14631 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14633 StartClockTimer(intendedTickLength);
14640 long second, minute, hour, day;
14642 static char buf[32];
14644 if (ms > 0 && ms <= 9900) {
14645 /* convert milliseconds to tenths, rounding up */
14646 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14648 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14652 /* convert milliseconds to seconds, rounding up */
14653 /* use floating point to avoid strangeness of integer division
14654 with negative dividends on many machines */
14655 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14662 day = second / (60 * 60 * 24);
14663 second = second % (60 * 60 * 24);
14664 hour = second / (60 * 60);
14665 second = second % (60 * 60);
14666 minute = second / 60;
14667 second = second % 60;
14670 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14671 sign, day, hour, minute, second);
14673 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14675 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14682 * This is necessary because some C libraries aren't ANSI C compliant yet.
14685 StrStr(string, match)
14686 char *string, *match;
14690 length = strlen(match);
14692 for (i = strlen(string) - length; i >= 0; i--, string++)
14693 if (!strncmp(match, string, length))
14700 StrCaseStr(string, match)
14701 char *string, *match;
14705 length = strlen(match);
14707 for (i = strlen(string) - length; i >= 0; i--, string++) {
14708 for (j = 0; j < length; j++) {
14709 if (ToLower(match[j]) != ToLower(string[j]))
14712 if (j == length) return string;
14726 c1 = ToLower(*s1++);
14727 c2 = ToLower(*s2++);
14728 if (c1 > c2) return 1;
14729 if (c1 < c2) return -1;
14730 if (c1 == NULLCHAR) return 0;
14739 return isupper(c) ? tolower(c) : c;
14747 return islower(c) ? toupper(c) : c;
14749 #endif /* !_amigados */
14757 if ((ret = (char *) malloc(strlen(s) + 1)))
14759 safeStrCpy(ret, s, strlen(s)+1);
14765 StrSavePtr(s, savePtr)
14766 char *s, **savePtr;
14771 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14772 safeStrCpy(*savePtr, s, strlen(s)+1);
14784 clock = time((time_t *)NULL);
14785 tm = localtime(&clock);
14786 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14787 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14788 return StrSave(buf);
14793 PositionToFEN(move, overrideCastling)
14795 char *overrideCastling;
14797 int i, j, fromX, fromY, toX, toY;
14804 whiteToPlay = (gameMode == EditPosition) ?
14805 !blackPlaysFirst : (move % 2 == 0);
14808 /* Piece placement data */
14809 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14811 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14812 if (boards[move][i][j] == EmptySquare) {
14814 } else { ChessSquare piece = boards[move][i][j];
14815 if (emptycount > 0) {
14816 if(emptycount<10) /* [HGM] can be >= 10 */
14817 *p++ = '0' + emptycount;
14818 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14821 if(PieceToChar(piece) == '+') {
14822 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14824 piece = (ChessSquare)(DEMOTED piece);
14826 *p++ = PieceToChar(piece);
14828 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14829 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14834 if (emptycount > 0) {
14835 if(emptycount<10) /* [HGM] can be >= 10 */
14836 *p++ = '0' + emptycount;
14837 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14844 /* [HGM] print Crazyhouse or Shogi holdings */
14845 if( gameInfo.holdingsWidth ) {
14846 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14848 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14849 piece = boards[move][i][BOARD_WIDTH-1];
14850 if( piece != EmptySquare )
14851 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14852 *p++ = PieceToChar(piece);
14854 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14855 piece = boards[move][BOARD_HEIGHT-i-1][0];
14856 if( piece != EmptySquare )
14857 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14858 *p++ = PieceToChar(piece);
14861 if( q == p ) *p++ = '-';
14867 *p++ = whiteToPlay ? 'w' : 'b';
14870 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14871 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14873 if(nrCastlingRights) {
14875 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14876 /* [HGM] write directly from rights */
14877 if(boards[move][CASTLING][2] != NoRights &&
14878 boards[move][CASTLING][0] != NoRights )
14879 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14880 if(boards[move][CASTLING][2] != NoRights &&
14881 boards[move][CASTLING][1] != NoRights )
14882 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14883 if(boards[move][CASTLING][5] != NoRights &&
14884 boards[move][CASTLING][3] != NoRights )
14885 *p++ = boards[move][CASTLING][3] + AAA;
14886 if(boards[move][CASTLING][5] != NoRights &&
14887 boards[move][CASTLING][4] != NoRights )
14888 *p++ = boards[move][CASTLING][4] + AAA;
14891 /* [HGM] write true castling rights */
14892 if( nrCastlingRights == 6 ) {
14893 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14894 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14895 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14896 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14897 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14898 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14899 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14900 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14903 if (q == p) *p++ = '-'; /* No castling rights */
14907 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14908 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14909 /* En passant target square */
14910 if (move > backwardMostMove) {
14911 fromX = moveList[move - 1][0] - AAA;
14912 fromY = moveList[move - 1][1] - ONE;
14913 toX = moveList[move - 1][2] - AAA;
14914 toY = moveList[move - 1][3] - ONE;
14915 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14916 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14917 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14919 /* 2-square pawn move just happened */
14921 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14925 } else if(move == backwardMostMove) {
14926 // [HGM] perhaps we should always do it like this, and forget the above?
14927 if((signed char)boards[move][EP_STATUS] >= 0) {
14928 *p++ = boards[move][EP_STATUS] + AAA;
14929 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14940 /* [HGM] find reversible plies */
14941 { int i = 0, j=move;
14943 if (appData.debugMode) { int k;
14944 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14945 for(k=backwardMostMove; k<=forwardMostMove; k++)
14946 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14950 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14951 if( j == backwardMostMove ) i += initialRulePlies;
14952 sprintf(p, "%d ", i);
14953 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14955 /* Fullmove number */
14956 sprintf(p, "%d", (move / 2) + 1);
14958 return StrSave(buf);
14962 ParseFEN(board, blackPlaysFirst, fen)
14964 int *blackPlaysFirst;
14974 /* [HGM] by default clear Crazyhouse holdings, if present */
14975 if(gameInfo.holdingsWidth) {
14976 for(i=0; i<BOARD_HEIGHT; i++) {
14977 board[i][0] = EmptySquare; /* black holdings */
14978 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14979 board[i][1] = (ChessSquare) 0; /* black counts */
14980 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
14984 /* Piece placement data */
14985 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14988 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
14989 if (*p == '/') p++;
14990 emptycount = gameInfo.boardWidth - j;
14991 while (emptycount--)
14992 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
14994 #if(BOARD_FILES >= 10)
14995 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
14996 p++; emptycount=10;
14997 if (j + emptycount > gameInfo.boardWidth) return FALSE;
14998 while (emptycount--)
14999 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15001 } else if (isdigit(*p)) {
15002 emptycount = *p++ - '0';
15003 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15004 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15005 while (emptycount--)
15006 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15007 } else if (*p == '+' || isalpha(*p)) {
15008 if (j >= gameInfo.boardWidth) return FALSE;
15010 piece = CharToPiece(*++p);
15011 if(piece == EmptySquare) return FALSE; /* unknown piece */
15012 piece = (ChessSquare) (PROMOTED piece ); p++;
15013 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15014 } else piece = CharToPiece(*p++);
15016 if(piece==EmptySquare) return FALSE; /* unknown piece */
15017 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15018 piece = (ChessSquare) (PROMOTED piece);
15019 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15022 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15028 while (*p == '/' || *p == ' ') p++;
15030 /* [HGM] look for Crazyhouse holdings here */
15031 while(*p==' ') p++;
15032 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15034 if(*p == '-' ) p++; /* empty holdings */ else {
15035 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15036 /* if we would allow FEN reading to set board size, we would */
15037 /* have to add holdings and shift the board read so far here */
15038 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15040 if((int) piece >= (int) BlackPawn ) {
15041 i = (int)piece - (int)BlackPawn;
15042 i = PieceToNumber((ChessSquare)i);
15043 if( i >= gameInfo.holdingsSize ) return FALSE;
15044 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15045 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15047 i = (int)piece - (int)WhitePawn;
15048 i = PieceToNumber((ChessSquare)i);
15049 if( i >= gameInfo.holdingsSize ) return FALSE;
15050 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15051 board[i][BOARD_WIDTH-2]++; /* black holdings */
15058 while(*p == ' ') p++;
15062 if(appData.colorNickNames) {
15063 if( c == appData.colorNickNames[0] ) c = 'w'; else
15064 if( c == appData.colorNickNames[1] ) c = 'b';
15068 *blackPlaysFirst = FALSE;
15071 *blackPlaysFirst = TRUE;
15077 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15078 /* return the extra info in global variiables */
15080 /* set defaults in case FEN is incomplete */
15081 board[EP_STATUS] = EP_UNKNOWN;
15082 for(i=0; i<nrCastlingRights; i++ ) {
15083 board[CASTLING][i] =
15084 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15085 } /* assume possible unless obviously impossible */
15086 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15087 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15088 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15089 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15090 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15091 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15092 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15093 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15096 while(*p==' ') p++;
15097 if(nrCastlingRights) {
15098 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15099 /* castling indicator present, so default becomes no castlings */
15100 for(i=0; i<nrCastlingRights; i++ ) {
15101 board[CASTLING][i] = NoRights;
15104 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15105 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15106 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15107 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15108 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15110 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15111 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15112 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15114 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15115 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15116 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15117 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15118 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15119 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15122 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15123 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15124 board[CASTLING][2] = whiteKingFile;
15127 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15128 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15129 board[CASTLING][2] = whiteKingFile;
15132 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15133 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15134 board[CASTLING][5] = blackKingFile;
15137 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15138 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15139 board[CASTLING][5] = blackKingFile;
15142 default: /* FRC castlings */
15143 if(c >= 'a') { /* black rights */
15144 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15145 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15146 if(i == BOARD_RGHT) break;
15147 board[CASTLING][5] = i;
15149 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15150 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15152 board[CASTLING][3] = c;
15154 board[CASTLING][4] = c;
15155 } else { /* white rights */
15156 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15157 if(board[0][i] == WhiteKing) break;
15158 if(i == BOARD_RGHT) break;
15159 board[CASTLING][2] = i;
15160 c -= AAA - 'a' + 'A';
15161 if(board[0][c] >= WhiteKing) break;
15163 board[CASTLING][0] = c;
15165 board[CASTLING][1] = c;
15169 for(i=0; i<nrCastlingRights; i++)
15170 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15171 if (appData.debugMode) {
15172 fprintf(debugFP, "FEN castling rights:");
15173 for(i=0; i<nrCastlingRights; i++)
15174 fprintf(debugFP, " %d", board[CASTLING][i]);
15175 fprintf(debugFP, "\n");
15178 while(*p==' ') p++;
15181 /* read e.p. field in games that know e.p. capture */
15182 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15183 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15185 p++; board[EP_STATUS] = EP_NONE;
15187 char c = *p++ - AAA;
15189 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15190 if(*p >= '0' && *p <='9') p++;
15191 board[EP_STATUS] = c;
15196 if(sscanf(p, "%d", &i) == 1) {
15197 FENrulePlies = i; /* 50-move ply counter */
15198 /* (The move number is still ignored) */
15205 EditPositionPasteFEN(char *fen)
15208 Board initial_position;
15210 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15211 DisplayError(_("Bad FEN position in clipboard"), 0);
15214 int savedBlackPlaysFirst = blackPlaysFirst;
15215 EditPositionEvent();
15216 blackPlaysFirst = savedBlackPlaysFirst;
15217 CopyBoard(boards[0], initial_position);
15218 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15219 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15220 DisplayBothClocks();
15221 DrawPosition(FALSE, boards[currentMove]);
15226 static char cseq[12] = "\\ ";
15228 Boolean set_cont_sequence(char *new_seq)
15233 // handle bad attempts to set the sequence
15235 return 0; // acceptable error - no debug
15237 len = strlen(new_seq);
15238 ret = (len > 0) && (len < sizeof(cseq));
15240 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15241 else if (appData.debugMode)
15242 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15247 reformat a source message so words don't cross the width boundary. internal
15248 newlines are not removed. returns the wrapped size (no null character unless
15249 included in source message). If dest is NULL, only calculate the size required
15250 for the dest buffer. lp argument indicats line position upon entry, and it's
15251 passed back upon exit.
15253 int wrap(char *dest, char *src, int count, int width, int *lp)
15255 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15257 cseq_len = strlen(cseq);
15258 old_line = line = *lp;
15259 ansi = len = clen = 0;
15261 for (i=0; i < count; i++)
15263 if (src[i] == '\033')
15266 // if we hit the width, back up
15267 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15269 // store i & len in case the word is too long
15270 old_i = i, old_len = len;
15272 // find the end of the last word
15273 while (i && src[i] != ' ' && src[i] != '\n')
15279 // word too long? restore i & len before splitting it
15280 if ((old_i-i+clen) >= width)
15287 if (i && src[i-1] == ' ')
15290 if (src[i] != ' ' && src[i] != '\n')
15297 // now append the newline and continuation sequence
15302 strncpy(dest+len, cseq, cseq_len);
15310 dest[len] = src[i];
15314 if (src[i] == '\n')
15319 if (dest && appData.debugMode)
15321 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15322 count, width, line, len, *lp);
15323 show_bytes(debugFP, src, count);
15324 fprintf(debugFP, "\ndest: ");
15325 show_bytes(debugFP, dest, len);
15326 fprintf(debugFP, "\n");
15328 *lp = dest ? line : old_line;
15333 // [HGM] vari: routines for shelving variations
15336 PushTail(int firstMove, int lastMove)
15338 int i, j, nrMoves = lastMove - firstMove;
15340 if(appData.icsActive) { // only in local mode
15341 forwardMostMove = currentMove; // mimic old ICS behavior
15344 if(storedGames >= MAX_VARIATIONS-1) return;
15346 // push current tail of game on stack
15347 savedResult[storedGames] = gameInfo.result;
15348 savedDetails[storedGames] = gameInfo.resultDetails;
15349 gameInfo.resultDetails = NULL;
15350 savedFirst[storedGames] = firstMove;
15351 savedLast [storedGames] = lastMove;
15352 savedFramePtr[storedGames] = framePtr;
15353 framePtr -= nrMoves; // reserve space for the boards
15354 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15355 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15356 for(j=0; j<MOVE_LEN; j++)
15357 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15358 for(j=0; j<2*MOVE_LEN; j++)
15359 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15360 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15361 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15362 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15363 pvInfoList[firstMove+i-1].depth = 0;
15364 commentList[framePtr+i] = commentList[firstMove+i];
15365 commentList[firstMove+i] = NULL;
15369 forwardMostMove = firstMove; // truncate game so we can start variation
15370 if(storedGames == 1) GreyRevert(FALSE);
15374 PopTail(Boolean annotate)
15377 char buf[8000], moveBuf[20];
15379 if(appData.icsActive) return FALSE; // only in local mode
15380 if(!storedGames) return FALSE; // sanity
15381 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15384 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15385 nrMoves = savedLast[storedGames] - currentMove;
15388 if(!WhiteOnMove(currentMove))
15389 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15390 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15391 for(i=currentMove; i<forwardMostMove; i++) {
15393 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15394 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15395 strcat(buf, moveBuf);
15396 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15397 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15401 for(i=1; i<=nrMoves; i++) { // copy last variation back
15402 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15403 for(j=0; j<MOVE_LEN; j++)
15404 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15405 for(j=0; j<2*MOVE_LEN; j++)
15406 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15407 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15408 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15409 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15410 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15411 commentList[currentMove+i] = commentList[framePtr+i];
15412 commentList[framePtr+i] = NULL;
15414 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15415 framePtr = savedFramePtr[storedGames];
15416 gameInfo.result = savedResult[storedGames];
15417 if(gameInfo.resultDetails != NULL) {
15418 free(gameInfo.resultDetails);
15420 gameInfo.resultDetails = savedDetails[storedGames];
15421 forwardMostMove = currentMove + nrMoves;
15422 if(storedGames == 0) GreyRevert(TRUE);
15428 { // remove all shelved variations
15430 for(i=0; i<storedGames; i++) {
15431 if(savedDetails[i])
15432 free(savedDetails[i]);
15433 savedDetails[i] = NULL;
15435 for(i=framePtr; i<MAX_MOVES; i++) {
15436 if(commentList[i]) free(commentList[i]);
15437 commentList[i] = NULL;
15439 framePtr = MAX_MOVES-1;
15444 LoadVariation(int index, char *text)
15445 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15446 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15447 int level = 0, move;
15449 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15450 // first find outermost bracketing variation
15451 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15452 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15453 if(*p == '{') wait = '}'; else
15454 if(*p == '[') wait = ']'; else
15455 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15456 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15458 if(*p == wait) wait = NULLCHAR; // closing ]} found
15461 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15462 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15463 end[1] = NULLCHAR; // clip off comment beyond variation
15464 ToNrEvent(currentMove-1);
15465 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15466 // kludge: use ParsePV() to append variation to game
15467 move = currentMove;
15468 ParsePV(start, TRUE);
15469 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15470 ClearPremoveHighlights();
15472 ToNrEvent(currentMove+1);