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, 2011 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 SpartanArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
521 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
522 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
523 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
526 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
530 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
533 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
534 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
535 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
536 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
537 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
540 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
542 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackMan, BlackFerz,
544 BlackKing, BlackMan, BlackKnight, BlackRook }
548 #if (BOARD_FILES>=10)
549 ChessSquare ShogiArray[2][BOARD_FILES] = {
550 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
551 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
552 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
553 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
556 ChessSquare XiangqiArray[2][BOARD_FILES] = {
557 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
558 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
559 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
560 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
563 ChessSquare CapablancaArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
565 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
567 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
570 ChessSquare GreatArray[2][BOARD_FILES] = {
571 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
572 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
573 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
574 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
577 ChessSquare JanusArray[2][BOARD_FILES] = {
578 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
579 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
580 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
581 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
585 ChessSquare GothicArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
587 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
589 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
592 #define GothicArray CapablancaArray
596 ChessSquare FalconArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteKnight, WhiteBishop, WhiteLance, WhiteQueen,
598 WhiteKing, WhiteLance, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackKnight, BlackBishop, BlackLance, BlackQueen,
600 BlackKing, BlackLance, BlackBishop, BlackKnight, BlackRook }
603 #define FalconArray CapablancaArray
606 #else // !(BOARD_FILES>=10)
607 #define XiangqiPosition FIDEArray
608 #define CapablancaArray FIDEArray
609 #define GothicArray FIDEArray
610 #define GreatArray FIDEArray
611 #endif // !(BOARD_FILES>=10)
613 #if (BOARD_FILES>=12)
614 ChessSquare CourierArray[2][BOARD_FILES] = {
615 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
616 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
617 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
618 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
620 #else // !(BOARD_FILES>=12)
621 #define CourierArray CapablancaArray
622 #endif // !(BOARD_FILES>=12)
625 Board initialPosition;
628 /* Convert str to a rating. Checks for special cases of "----",
630 "++++", etc. Also strips ()'s */
632 string_to_rating(str)
635 while(*str && !isdigit(*str)) ++str;
637 return 0; /* One of the special "no rating" cases */
645 /* Init programStats */
646 programStats.movelist[0] = 0;
647 programStats.depth = 0;
648 programStats.nr_moves = 0;
649 programStats.moves_left = 0;
650 programStats.nodes = 0;
651 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
652 programStats.score = 0;
653 programStats.got_only_move = 0;
654 programStats.got_fail = 0;
655 programStats.line_is_book = 0;
661 int matched, min, sec;
663 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
664 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
666 GetTimeMark(&programStartTime);
667 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
670 programStats.ok_to_send = 1;
671 programStats.seen_stat = 0;
674 * Initialize game list
680 * Internet chess server status
682 if (appData.icsActive) {
683 appData.matchMode = FALSE;
684 appData.matchGames = 0;
686 appData.noChessProgram = !appData.zippyPlay;
688 appData.zippyPlay = FALSE;
689 appData.zippyTalk = FALSE;
690 appData.noChessProgram = TRUE;
692 if (*appData.icsHelper != NULLCHAR) {
693 appData.useTelnet = TRUE;
694 appData.telnetProgram = appData.icsHelper;
697 appData.zippyTalk = appData.zippyPlay = FALSE;
700 /* [AS] Initialize pv info list [HGM] and game state */
704 for( i=0; i<=framePtr; i++ ) {
705 pvInfoList[i].depth = -1;
706 boards[i][EP_STATUS] = EP_NONE;
707 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
712 * Parse timeControl resource
714 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
715 appData.movesPerSession)) {
717 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
718 DisplayFatalError(buf, 0, 2);
722 * Parse searchTime resource
724 if (*appData.searchTime != NULLCHAR) {
725 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
727 searchTime = min * 60;
728 } else if (matched == 2) {
729 searchTime = min * 60 + sec;
732 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
733 DisplayFatalError(buf, 0, 2);
737 /* [AS] Adjudication threshold */
738 adjudicateLossThreshold = appData.adjudicateLossThreshold;
740 first.which = "first";
741 second.which = "second";
742 first.maybeThinking = second.maybeThinking = FALSE;
743 first.pr = second.pr = NoProc;
744 first.isr = second.isr = NULL;
745 first.sendTime = second.sendTime = 2;
746 first.sendDrawOffers = 1;
747 if (appData.firstPlaysBlack) {
748 first.twoMachinesColor = "black\n";
749 second.twoMachinesColor = "white\n";
751 first.twoMachinesColor = "white\n";
752 second.twoMachinesColor = "black\n";
754 first.program = appData.firstChessProgram;
755 second.program = appData.secondChessProgram;
756 first.host = appData.firstHost;
757 second.host = appData.secondHost;
758 first.dir = appData.firstDirectory;
759 second.dir = appData.secondDirectory;
760 first.other = &second;
761 second.other = &first;
762 first.initString = appData.initString;
763 second.initString = appData.secondInitString;
764 first.computerString = appData.firstComputerString;
765 second.computerString = appData.secondComputerString;
766 first.useSigint = second.useSigint = TRUE;
767 first.useSigterm = second.useSigterm = TRUE;
768 first.reuse = appData.reuseFirst;
769 second.reuse = appData.reuseSecond;
770 first.nps = appData.firstNPS; // [HGM] nps: copy nodes per second
771 second.nps = appData.secondNPS;
772 first.useSetboard = second.useSetboard = FALSE;
773 first.useSAN = second.useSAN = FALSE;
774 first.usePing = second.usePing = FALSE;
775 first.lastPing = second.lastPing = 0;
776 first.lastPong = second.lastPong = 0;
777 first.usePlayother = second.usePlayother = FALSE;
778 first.useColors = second.useColors = TRUE;
779 first.useUsermove = second.useUsermove = FALSE;
780 first.sendICS = second.sendICS = FALSE;
781 first.sendName = second.sendName = appData.icsActive;
782 first.sdKludge = second.sdKludge = FALSE;
783 first.stKludge = second.stKludge = FALSE;
784 TidyProgramName(first.program, first.host, first.tidy);
785 TidyProgramName(second.program, second.host, second.tidy);
786 first.matchWins = second.matchWins = 0;
787 safeStrCpy(first.variants, appData.variant, sizeof(first.variants)/sizeof(first.variants[0]));
788 safeStrCpy(second.variants, appData.variant,sizeof(second.variants)/sizeof(second.variants[0]));
789 first.analysisSupport = second.analysisSupport = 2; /* detect */
790 first.analyzing = second.analyzing = FALSE;
791 first.initDone = second.initDone = FALSE;
793 /* New features added by Tord: */
794 first.useFEN960 = FALSE; second.useFEN960 = FALSE;
795 first.useOOCastle = TRUE; second.useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 first.fenOverride = appData.fenOverride1;
798 second.fenOverride = appData.fenOverride2;
800 /* [HGM] time odds: set factor for each machine */
801 first.timeOdds = appData.firstTimeOdds;
802 second.timeOdds = appData.secondTimeOdds;
804 if(appData.timeOddsMode) {
805 norm = first.timeOdds;
806 if(norm > second.timeOdds) norm = second.timeOdds;
808 first.timeOdds /= norm;
809 second.timeOdds /= norm;
812 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
813 first.accumulateTC = appData.firstAccumulateTC;
814 second.accumulateTC = appData.secondAccumulateTC;
815 first.maxNrOfSessions = second.maxNrOfSessions = 1;
818 first.debug = second.debug = FALSE;
819 first.supportsNPS = second.supportsNPS = UNKNOWN;
822 first.optionSettings = appData.firstOptions;
823 second.optionSettings = appData.secondOptions;
825 first.scoreIsAbsolute = appData.firstScoreIsAbsolute; /* [AS] */
826 second.scoreIsAbsolute = appData.secondScoreIsAbsolute; /* [AS] */
827 first.isUCI = appData.firstIsUCI; /* [AS] */
828 second.isUCI = appData.secondIsUCI; /* [AS] */
829 first.hasOwnBookUCI = appData.firstHasOwnBookUCI; /* [AS] */
830 second.hasOwnBookUCI = appData.secondHasOwnBookUCI; /* [AS] */
832 if (appData.firstProtocolVersion > PROTOVER
833 || appData.firstProtocolVersion < 1)
838 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
839 appData.firstProtocolVersion);
840 if( (len > MSG_SIZ) && appData.debugMode )
841 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
843 DisplayFatalError(buf, 0, 2);
847 first.protocolVersion = appData.firstProtocolVersion;
850 if (appData.secondProtocolVersion > PROTOVER
851 || appData.secondProtocolVersion < 1)
856 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
857 appData.secondProtocolVersion);
858 if( (len > MSG_SIZ) && appData.debugMode )
859 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
861 DisplayFatalError(buf, 0, 2);
865 second.protocolVersion = appData.secondProtocolVersion;
868 if (appData.icsActive) {
869 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
870 // } else if (*appData.searchTime != NULLCHAR || appData.noChessProgram) {
871 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
872 appData.clockMode = FALSE;
873 first.sendTime = second.sendTime = 0;
877 /* Override some settings from environment variables, for backward
878 compatibility. Unfortunately it's not feasible to have the env
879 vars just set defaults, at least in xboard. Ugh.
881 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
886 if (appData.noChessProgram) {
887 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
888 sprintf(programVersion, "%s", PACKAGE_STRING);
890 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
891 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
892 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
895 if (!appData.icsActive) {
899 /* Check for variants that are supported only in ICS mode,
900 or not at all. Some that are accepted here nevertheless
901 have bugs; see comments below.
903 VariantClass variant = StringToVariant(appData.variant);
905 case VariantBughouse: /* need four players and two boards */
906 case VariantKriegspiel: /* need to hide pieces and move details */
907 /* case VariantFischeRandom: (Fabien: moved below) */
908 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
909 if( (len > MSG_SIZ) && appData.debugMode )
910 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
912 DisplayFatalError(buf, 0, 2);
916 case VariantLoadable:
926 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
927 if( (len > MSG_SIZ) && appData.debugMode )
928 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
930 DisplayFatalError(buf, 0, 2);
933 case VariantXiangqi: /* [HGM] repetition rules not implemented */
934 case VariantFairy: /* [HGM] TestLegality definitely off! */
935 case VariantGothic: /* [HGM] should work */
936 case VariantCapablanca: /* [HGM] should work */
937 case VariantCourier: /* [HGM] initial forced moves not implemented */
938 case VariantShogi: /* [HGM] could still mate with pawn drop */
939 case VariantKnightmate: /* [HGM] should work */
940 case VariantCylinder: /* [HGM] untested */
941 case VariantFalcon: /* [HGM] untested */
942 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
943 offboard interposition not understood */
944 case VariantNormal: /* definitely works! */
945 case VariantWildCastle: /* pieces not automatically shuffled */
946 case VariantNoCastle: /* pieces not automatically shuffled */
947 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
948 case VariantLosers: /* should work except for win condition,
949 and doesn't know captures are mandatory */
950 case VariantSuicide: /* should work except for win condition,
951 and doesn't know captures are mandatory */
952 case VariantGiveaway: /* should work except for win condition,
953 and doesn't know captures are mandatory */
954 case VariantTwoKings: /* should work */
955 case VariantAtomic: /* should work except for win condition */
956 case Variant3Check: /* should work except for win condition */
957 case VariantShatranj: /* should work except for all win conditions */
958 case VariantMakruk: /* should work except for daw countdown */
959 case VariantBerolina: /* might work if TestLegality is off */
960 case VariantCapaRandom: /* should work */
961 case VariantJanus: /* should work */
962 case VariantSuper: /* experimental */
963 case VariantGreat: /* experimental, requires legality testing to be off */
964 case VariantSChess: /* S-Chess, should work */
965 case VariantSpartan: /* should work */
970 InitEngineUCI( installDir, &first ); // [HGM] moved here from winboard.c, to make available in xboard
971 InitEngineUCI( installDir, &second );
974 int NextIntegerFromString( char ** str, long * value )
979 while( *s == ' ' || *s == '\t' ) {
985 if( *s >= '0' && *s <= '9' ) {
986 while( *s >= '0' && *s <= '9' ) {
987 *value = *value * 10 + (*s - '0');
999 int NextTimeControlFromString( char ** str, long * value )
1002 int result = NextIntegerFromString( str, &temp );
1005 *value = temp * 60; /* Minutes */
1006 if( **str == ':' ) {
1008 result = NextIntegerFromString( str, &temp );
1009 *value += temp; /* Seconds */
1016 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1017 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1018 int result = -1, type = 0; long temp, temp2;
1020 if(**str != ':') return -1; // old params remain in force!
1022 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1023 if( NextIntegerFromString( str, &temp ) ) return -1;
1024 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1027 /* time only: incremental or sudden-death time control */
1028 if(**str == '+') { /* increment follows; read it */
1030 if(**str == '!') type = *(*str)++; // Bronstein TC
1031 if(result = NextIntegerFromString( str, &temp2)) return -1;
1032 *inc = temp2 * 1000;
1033 if(**str == '.') { // read fraction of increment
1034 char *start = ++(*str);
1035 if(result = NextIntegerFromString( str, &temp2)) return -1;
1037 while(start++ < *str) temp2 /= 10;
1041 *moves = 0; *tc = temp * 1000; *incType = type;
1045 (*str)++; /* classical time control */
1046 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1057 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1058 { /* [HGM] get time to add from the multi-session time-control string */
1059 int incType, moves=1; /* kludge to force reading of first session */
1060 long time, increment;
1063 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1064 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1066 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1067 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1068 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1069 if(movenr == -1) return time; /* last move before new session */
1070 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1071 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1072 if(!moves) return increment; /* current session is incremental */
1073 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1074 } while(movenr >= -1); /* try again for next session */
1076 return 0; // no new time quota on this move
1080 ParseTimeControl(tc, ti, mps)
1087 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1090 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1091 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1092 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1096 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1098 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1101 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1103 snprintf(buf, MSG_SIZ, ":%s", mytc);
1105 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1107 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1112 /* Parse second time control */
1115 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1123 timeControl_2 = tc2 * 1000;
1133 timeControl = tc1 * 1000;
1136 timeIncrement = ti * 1000; /* convert to ms */
1137 movesPerSession = 0;
1140 movesPerSession = mps;
1148 if (appData.debugMode) {
1149 fprintf(debugFP, "%s\n", programVersion);
1152 set_cont_sequence(appData.wrapContSeq);
1153 if (appData.matchGames > 0) {
1154 appData.matchMode = TRUE;
1155 } else if (appData.matchMode) {
1156 appData.matchGames = 1;
1158 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1159 appData.matchGames = appData.sameColorGames;
1160 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1161 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1162 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1165 if (appData.noChessProgram || first.protocolVersion == 1) {
1168 /* kludge: allow timeout for initial "feature" commands */
1170 DisplayMessage("", _("Starting chess program"));
1171 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1176 InitBackEnd3 P((void))
1178 GameMode initialMode;
1182 InitChessProgram(&first, startedFromSetupPosition);
1184 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1185 free(programVersion);
1186 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1187 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1190 if (appData.icsActive) {
1192 /* [DM] Make a console window if needed [HGM] merged ifs */
1198 if (*appData.icsCommPort != NULLCHAR)
1199 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1200 appData.icsCommPort);
1202 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1203 appData.icsHost, appData.icsPort);
1205 if( (len > MSG_SIZ) && appData.debugMode )
1206 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1208 DisplayFatalError(buf, err, 1);
1213 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1215 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1216 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1217 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1218 } else if (appData.noChessProgram) {
1224 if (*appData.cmailGameName != NULLCHAR) {
1226 OpenLoopback(&cmailPR);
1228 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1232 DisplayMessage("", "");
1233 if (StrCaseCmp(appData.initialMode, "") == 0) {
1234 initialMode = BeginningOfGame;
1235 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1236 initialMode = TwoMachinesPlay;
1237 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1238 initialMode = AnalyzeFile;
1239 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1240 initialMode = AnalyzeMode;
1241 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1242 initialMode = MachinePlaysWhite;
1243 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1244 initialMode = MachinePlaysBlack;
1245 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1246 initialMode = EditGame;
1247 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1248 initialMode = EditPosition;
1249 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1250 initialMode = Training;
1252 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1253 if( (len > MSG_SIZ) && appData.debugMode )
1254 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1256 DisplayFatalError(buf, 0, 2);
1260 if (appData.matchMode) {
1261 /* Set up machine vs. machine match */
1262 if (appData.noChessProgram) {
1263 DisplayFatalError(_("Can't have a match with no chess programs"),
1269 if (*appData.loadGameFile != NULLCHAR) {
1270 int index = appData.loadGameIndex; // [HGM] autoinc
1271 if(index<0) lastIndex = index = 1;
1272 if (!LoadGameFromFile(appData.loadGameFile,
1274 appData.loadGameFile, FALSE)) {
1275 DisplayFatalError(_("Bad game file"), 0, 1);
1278 } else if (*appData.loadPositionFile != NULLCHAR) {
1279 int index = appData.loadPositionIndex; // [HGM] autoinc
1280 if(index<0) lastIndex = index = 1;
1281 if (!LoadPositionFromFile(appData.loadPositionFile,
1283 appData.loadPositionFile)) {
1284 DisplayFatalError(_("Bad position file"), 0, 1);
1289 } else if (*appData.cmailGameName != NULLCHAR) {
1290 /* Set up cmail mode */
1291 ReloadCmailMsgEvent(TRUE);
1293 /* Set up other modes */
1294 if (initialMode == AnalyzeFile) {
1295 if (*appData.loadGameFile == NULLCHAR) {
1296 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1300 if (*appData.loadGameFile != NULLCHAR) {
1301 (void) LoadGameFromFile(appData.loadGameFile,
1302 appData.loadGameIndex,
1303 appData.loadGameFile, TRUE);
1304 } else if (*appData.loadPositionFile != NULLCHAR) {
1305 (void) LoadPositionFromFile(appData.loadPositionFile,
1306 appData.loadPositionIndex,
1307 appData.loadPositionFile);
1308 /* [HGM] try to make self-starting even after FEN load */
1309 /* to allow automatic setup of fairy variants with wtm */
1310 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1311 gameMode = BeginningOfGame;
1312 setboardSpoiledMachineBlack = 1;
1314 /* [HGM] loadPos: make that every new game uses the setup */
1315 /* from file as long as we do not switch variant */
1316 if(!blackPlaysFirst) {
1317 startedFromPositionFile = TRUE;
1318 CopyBoard(filePosition, boards[0]);
1321 if (initialMode == AnalyzeMode) {
1322 if (appData.noChessProgram) {
1323 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1326 if (appData.icsActive) {
1327 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1331 } else if (initialMode == AnalyzeFile) {
1332 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1333 ShowThinkingEvent();
1335 AnalysisPeriodicEvent(1);
1336 } else if (initialMode == MachinePlaysWhite) {
1337 if (appData.noChessProgram) {
1338 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1342 if (appData.icsActive) {
1343 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1347 MachineWhiteEvent();
1348 } else if (initialMode == MachinePlaysBlack) {
1349 if (appData.noChessProgram) {
1350 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1354 if (appData.icsActive) {
1355 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1359 MachineBlackEvent();
1360 } else if (initialMode == TwoMachinesPlay) {
1361 if (appData.noChessProgram) {
1362 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1366 if (appData.icsActive) {
1367 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1372 } else if (initialMode == EditGame) {
1374 } else if (initialMode == EditPosition) {
1375 EditPositionEvent();
1376 } else if (initialMode == Training) {
1377 if (*appData.loadGameFile == NULLCHAR) {
1378 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1387 * Establish will establish a contact to a remote host.port.
1388 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1389 * used to talk to the host.
1390 * Returns 0 if okay, error code if not.
1397 if (*appData.icsCommPort != NULLCHAR) {
1398 /* Talk to the host through a serial comm port */
1399 return OpenCommPort(appData.icsCommPort, &icsPR);
1401 } else if (*appData.gateway != NULLCHAR) {
1402 if (*appData.remoteShell == NULLCHAR) {
1403 /* Use the rcmd protocol to run telnet program on a gateway host */
1404 snprintf(buf, sizeof(buf), "%s %s %s",
1405 appData.telnetProgram, appData.icsHost, appData.icsPort);
1406 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1409 /* Use the rsh program to run telnet program on a gateway host */
1410 if (*appData.remoteUser == NULLCHAR) {
1411 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1412 appData.gateway, appData.telnetProgram,
1413 appData.icsHost, appData.icsPort);
1415 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1416 appData.remoteShell, appData.gateway,
1417 appData.remoteUser, appData.telnetProgram,
1418 appData.icsHost, appData.icsPort);
1420 return StartChildProcess(buf, "", &icsPR);
1423 } else if (appData.useTelnet) {
1424 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1427 /* TCP socket interface differs somewhat between
1428 Unix and NT; handle details in the front end.
1430 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1434 void EscapeExpand(char *p, char *q)
1435 { // [HGM] initstring: routine to shape up string arguments
1436 while(*p++ = *q++) if(p[-1] == '\\')
1438 case 'n': p[-1] = '\n'; break;
1439 case 'r': p[-1] = '\r'; break;
1440 case 't': p[-1] = '\t'; break;
1441 case '\\': p[-1] = '\\'; break;
1442 case 0: *p = 0; return;
1443 default: p[-1] = q[-1]; break;
1448 show_bytes(fp, buf, count)
1454 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1455 fprintf(fp, "\\%03o", *buf & 0xff);
1464 /* Returns an errno value */
1466 OutputMaybeTelnet(pr, message, count, outError)
1472 char buf[8192], *p, *q, *buflim;
1473 int left, newcount, outcount;
1475 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1476 *appData.gateway != NULLCHAR) {
1477 if (appData.debugMode) {
1478 fprintf(debugFP, ">ICS: ");
1479 show_bytes(debugFP, message, count);
1480 fprintf(debugFP, "\n");
1482 return OutputToProcess(pr, message, count, outError);
1485 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1492 if (appData.debugMode) {
1493 fprintf(debugFP, ">ICS: ");
1494 show_bytes(debugFP, buf, newcount);
1495 fprintf(debugFP, "\n");
1497 outcount = OutputToProcess(pr, buf, newcount, outError);
1498 if (outcount < newcount) return -1; /* to be sure */
1505 } else if (((unsigned char) *p) == TN_IAC) {
1506 *q++ = (char) TN_IAC;
1513 if (appData.debugMode) {
1514 fprintf(debugFP, ">ICS: ");
1515 show_bytes(debugFP, buf, newcount);
1516 fprintf(debugFP, "\n");
1518 outcount = OutputToProcess(pr, buf, newcount, outError);
1519 if (outcount < newcount) return -1; /* to be sure */
1524 read_from_player(isr, closure, message, count, error)
1531 int outError, outCount;
1532 static int gotEof = 0;
1534 /* Pass data read from player on to ICS */
1537 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1538 if (outCount < count) {
1539 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1541 } else if (count < 0) {
1542 RemoveInputSource(isr);
1543 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1544 } else if (gotEof++ > 0) {
1545 RemoveInputSource(isr);
1546 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1552 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1553 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1554 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1555 SendToICS("date\n");
1556 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1559 /* added routine for printf style output to ics */
1560 void ics_printf(char *format, ...)
1562 char buffer[MSG_SIZ];
1565 va_start(args, format);
1566 vsnprintf(buffer, sizeof(buffer), format, args);
1567 buffer[sizeof(buffer)-1] = '\0';
1576 int count, outCount, outError;
1578 if (icsPR == NULL) return;
1581 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1582 if (outCount < count) {
1583 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1587 /* This is used for sending logon scripts to the ICS. Sending
1588 without a delay causes problems when using timestamp on ICC
1589 (at least on my machine). */
1591 SendToICSDelayed(s,msdelay)
1595 int count, outCount, outError;
1597 if (icsPR == NULL) return;
1600 if (appData.debugMode) {
1601 fprintf(debugFP, ">ICS: ");
1602 show_bytes(debugFP, s, count);
1603 fprintf(debugFP, "\n");
1605 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1607 if (outCount < count) {
1608 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1613 /* Remove all highlighting escape sequences in s
1614 Also deletes any suffix starting with '('
1617 StripHighlightAndTitle(s)
1620 static char retbuf[MSG_SIZ];
1623 while (*s != NULLCHAR) {
1624 while (*s == '\033') {
1625 while (*s != NULLCHAR && !isalpha(*s)) s++;
1626 if (*s != NULLCHAR) s++;
1628 while (*s != NULLCHAR && *s != '\033') {
1629 if (*s == '(' || *s == '[') {
1640 /* Remove all highlighting escape sequences in s */
1645 static char retbuf[MSG_SIZ];
1648 while (*s != NULLCHAR) {
1649 while (*s == '\033') {
1650 while (*s != NULLCHAR && !isalpha(*s)) s++;
1651 if (*s != NULLCHAR) s++;
1653 while (*s != NULLCHAR && *s != '\033') {
1661 char *variantNames[] = VARIANT_NAMES;
1666 return variantNames[v];
1670 /* Identify a variant from the strings the chess servers use or the
1671 PGN Variant tag names we use. */
1678 VariantClass v = VariantNormal;
1679 int i, found = FALSE;
1685 /* [HGM] skip over optional board-size prefixes */
1686 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1687 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1688 while( *e++ != '_');
1691 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1695 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1696 if (StrCaseStr(e, variantNames[i])) {
1697 v = (VariantClass) i;
1704 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1705 || StrCaseStr(e, "wild/fr")
1706 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1707 v = VariantFischeRandom;
1708 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1709 (i = 1, p = StrCaseStr(e, "w"))) {
1711 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1718 case 0: /* FICS only, actually */
1720 /* Castling legal even if K starts on d-file */
1721 v = VariantWildCastle;
1726 /* Castling illegal even if K & R happen to start in
1727 normal positions. */
1728 v = VariantNoCastle;
1741 /* Castling legal iff K & R start in normal positions */
1747 /* Special wilds for position setup; unclear what to do here */
1748 v = VariantLoadable;
1751 /* Bizarre ICC game */
1752 v = VariantTwoKings;
1755 v = VariantKriegspiel;
1761 v = VariantFischeRandom;
1764 v = VariantCrazyhouse;
1767 v = VariantBughouse;
1773 /* Not quite the same as FICS suicide! */
1774 v = VariantGiveaway;
1780 v = VariantShatranj;
1783 /* Temporary names for future ICC types. The name *will* change in
1784 the next xboard/WinBoard release after ICC defines it. */
1822 v = VariantCapablanca;
1825 v = VariantKnightmate;
1831 v = VariantCylinder;
1837 v = VariantCapaRandom;
1840 v = VariantBerolina;
1852 /* Found "wild" or "w" in the string but no number;
1853 must assume it's normal chess. */
1857 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
1858 if( (len > MSG_SIZ) && appData.debugMode )
1859 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
1861 DisplayError(buf, 0);
1867 if (appData.debugMode) {
1868 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
1869 e, wnum, VariantName(v));
1874 static int leftover_start = 0, leftover_len = 0;
1875 char star_match[STAR_MATCH_N][MSG_SIZ];
1877 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
1878 advance *index beyond it, and set leftover_start to the new value of
1879 *index; else return FALSE. If pattern contains the character '*', it
1880 matches any sequence of characters not containing '\r', '\n', or the
1881 character following the '*' (if any), and the matched sequence(s) are
1882 copied into star_match.
1885 looking_at(buf, index, pattern)
1890 char *bufp = &buf[*index], *patternp = pattern;
1892 char *matchp = star_match[0];
1895 if (*patternp == NULLCHAR) {
1896 *index = leftover_start = bufp - buf;
1900 if (*bufp == NULLCHAR) return FALSE;
1901 if (*patternp == '*') {
1902 if (*bufp == *(patternp + 1)) {
1904 matchp = star_match[++star_count];
1908 } else if (*bufp == '\n' || *bufp == '\r') {
1910 if (*patternp == NULLCHAR)
1915 *matchp++ = *bufp++;
1919 if (*patternp != *bufp) return FALSE;
1926 SendToPlayer(data, length)
1930 int error, outCount;
1931 outCount = OutputToProcess(NoProc, data, length, &error);
1932 if (outCount < length) {
1933 DisplayFatalError(_("Error writing to display"), error, 1);
1938 PackHolding(packed, holding)
1950 switch (runlength) {
1961 sprintf(q, "%d", runlength);
1973 /* Telnet protocol requests from the front end */
1975 TelnetRequest(ddww, option)
1976 unsigned char ddww, option;
1978 unsigned char msg[3];
1979 int outCount, outError;
1981 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
1983 if (appData.debugMode) {
1984 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2000 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2009 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2012 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2017 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2019 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 if (!appData.icsActive) return;
2027 TelnetRequest(TN_DO, TN_ECHO);
2033 if (!appData.icsActive) return;
2034 TelnetRequest(TN_DONT, TN_ECHO);
2038 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2040 /* put the holdings sent to us by the server on the board holdings area */
2041 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2045 if(gameInfo.holdingsWidth < 2) return;
2046 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2047 return; // prevent overwriting by pre-board holdings
2049 if( (int)lowestPiece >= BlackPawn ) {
2052 holdingsStartRow = BOARD_HEIGHT-1;
2055 holdingsColumn = BOARD_WIDTH-1;
2056 countsColumn = BOARD_WIDTH-2;
2057 holdingsStartRow = 0;
2061 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2062 board[i][holdingsColumn] = EmptySquare;
2063 board[i][countsColumn] = (ChessSquare) 0;
2065 while( (p=*holdings++) != NULLCHAR ) {
2066 piece = CharToPiece( ToUpper(p) );
2067 if(piece == EmptySquare) continue;
2068 /*j = (int) piece - (int) WhitePawn;*/
2069 j = PieceToNumber(piece);
2070 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2071 if(j < 0) continue; /* should not happen */
2072 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2073 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2074 board[holdingsStartRow+j*direction][countsColumn]++;
2080 VariantSwitch(Board board, VariantClass newVariant)
2082 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2083 static Board oldBoard;
2085 startedFromPositionFile = FALSE;
2086 if(gameInfo.variant == newVariant) return;
2088 /* [HGM] This routine is called each time an assignment is made to
2089 * gameInfo.variant during a game, to make sure the board sizes
2090 * are set to match the new variant. If that means adding or deleting
2091 * holdings, we shift the playing board accordingly
2092 * This kludge is needed because in ICS observe mode, we get boards
2093 * of an ongoing game without knowing the variant, and learn about the
2094 * latter only later. This can be because of the move list we requested,
2095 * in which case the game history is refilled from the beginning anyway,
2096 * but also when receiving holdings of a crazyhouse game. In the latter
2097 * case we want to add those holdings to the already received position.
2101 if (appData.debugMode) {
2102 fprintf(debugFP, "Switch board from %s to %s\n",
2103 VariantName(gameInfo.variant), VariantName(newVariant));
2104 setbuf(debugFP, NULL);
2106 shuffleOpenings = 0; /* [HGM] shuffle */
2107 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2111 newWidth = 9; newHeight = 9;
2112 gameInfo.holdingsSize = 7;
2113 case VariantBughouse:
2114 case VariantCrazyhouse:
2115 newHoldingsWidth = 2; break;
2119 newHoldingsWidth = 2;
2120 gameInfo.holdingsSize = 8;
2123 case VariantCapablanca:
2124 case VariantCapaRandom:
2127 newHoldingsWidth = gameInfo.holdingsSize = 0;
2130 if(newWidth != gameInfo.boardWidth ||
2131 newHeight != gameInfo.boardHeight ||
2132 newHoldingsWidth != gameInfo.holdingsWidth ) {
2134 /* shift position to new playing area, if needed */
2135 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2136 for(i=0; i<BOARD_HEIGHT; i++)
2137 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2138 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2140 for(i=0; i<newHeight; i++) {
2141 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2142 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2144 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2145 for(i=0; i<BOARD_HEIGHT; i++)
2146 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2147 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2150 gameInfo.boardWidth = newWidth;
2151 gameInfo.boardHeight = newHeight;
2152 gameInfo.holdingsWidth = newHoldingsWidth;
2153 gameInfo.variant = newVariant;
2154 InitDrawingSizes(-2, 0);
2155 } else gameInfo.variant = newVariant;
2156 CopyBoard(oldBoard, board); // remember correctly formatted board
2157 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2158 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2161 static int loggedOn = FALSE;
2163 /*-- Game start info cache: --*/
2165 char gs_kind[MSG_SIZ];
2166 static char player1Name[128] = "";
2167 static char player2Name[128] = "";
2168 static char cont_seq[] = "\n\\ ";
2169 static int player1Rating = -1;
2170 static int player2Rating = -1;
2171 /*----------------------------*/
2173 ColorClass curColor = ColorNormal;
2174 int suppressKibitz = 0;
2177 Boolean soughtPending = FALSE;
2178 Boolean seekGraphUp;
2179 #define MAX_SEEK_ADS 200
2181 char *seekAdList[MAX_SEEK_ADS];
2182 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2183 float tcList[MAX_SEEK_ADS];
2184 char colorList[MAX_SEEK_ADS];
2185 int nrOfSeekAds = 0;
2186 int minRating = 1010, maxRating = 2800;
2187 int hMargin = 10, vMargin = 20, h, w;
2188 extern int squareSize, lineGap;
2193 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2194 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2195 if(r < minRating+100 && r >=0 ) r = minRating+100;
2196 if(r > maxRating) r = maxRating;
2197 if(tc < 1.) tc = 1.;
2198 if(tc > 95.) tc = 95.;
2199 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2200 y = ((double)r - minRating)/(maxRating - minRating)
2201 * (h-vMargin-squareSize/8-1) + vMargin;
2202 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2203 if(strstr(seekAdList[i], " u ")) color = 1;
2204 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2205 !strstr(seekAdList[i], "bullet") &&
2206 !strstr(seekAdList[i], "blitz") &&
2207 !strstr(seekAdList[i], "standard") ) color = 2;
2208 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2209 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2213 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2215 char buf[MSG_SIZ], *ext = "";
2216 VariantClass v = StringToVariant(type);
2217 if(strstr(type, "wild")) {
2218 ext = type + 4; // append wild number
2219 if(v == VariantFischeRandom) type = "chess960"; else
2220 if(v == VariantLoadable) type = "setup"; else
2221 type = VariantName(v);
2223 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2224 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2225 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2226 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2227 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2228 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2229 seekNrList[nrOfSeekAds] = nr;
2230 zList[nrOfSeekAds] = 0;
2231 seekAdList[nrOfSeekAds++] = StrSave(buf);
2232 if(plot) PlotSeekAd(nrOfSeekAds-1);
2239 int x = xList[i], y = yList[i], d=squareSize/4, k;
2240 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2241 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2242 // now replot every dot that overlapped
2243 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2244 int xx = xList[k], yy = yList[k];
2245 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2246 DrawSeekDot(xx, yy, colorList[k]);
2251 RemoveSeekAd(int nr)
2254 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2256 if(seekAdList[i]) free(seekAdList[i]);
2257 seekAdList[i] = seekAdList[--nrOfSeekAds];
2258 seekNrList[i] = seekNrList[nrOfSeekAds];
2259 ratingList[i] = ratingList[nrOfSeekAds];
2260 colorList[i] = colorList[nrOfSeekAds];
2261 tcList[i] = tcList[nrOfSeekAds];
2262 xList[i] = xList[nrOfSeekAds];
2263 yList[i] = yList[nrOfSeekAds];
2264 zList[i] = zList[nrOfSeekAds];
2265 seekAdList[nrOfSeekAds] = NULL;
2271 MatchSoughtLine(char *line)
2273 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2274 int nr, base, inc, u=0; char dummy;
2276 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2277 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2279 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2280 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2281 // match: compact and save the line
2282 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2292 if(!seekGraphUp) return FALSE;
2293 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2294 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2296 DrawSeekBackground(0, 0, w, h);
2297 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2298 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2299 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2300 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2302 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2305 snprintf(buf, MSG_SIZ, "%d", i);
2306 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2309 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2310 for(i=1; i<100; i+=(i<10?1:5)) {
2311 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2312 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2313 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2315 snprintf(buf, MSG_SIZ, "%d", i);
2316 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2319 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2323 int SeekGraphClick(ClickType click, int x, int y, int moving)
2325 static int lastDown = 0, displayed = 0, lastSecond;
2326 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2327 if(click == Release || moving) return FALSE;
2329 soughtPending = TRUE;
2330 SendToICS(ics_prefix);
2331 SendToICS("sought\n"); // should this be "sought all"?
2332 } else { // issue challenge based on clicked ad
2333 int dist = 10000; int i, closest = 0, second = 0;
2334 for(i=0; i<nrOfSeekAds; i++) {
2335 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2336 if(d < dist) { dist = d; closest = i; }
2337 second += (d - zList[i] < 120); // count in-range ads
2338 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2342 second = (second > 1);
2343 if(displayed != closest || second != lastSecond) {
2344 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2345 lastSecond = second; displayed = closest;
2347 if(click == Press) {
2348 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2351 } // on press 'hit', only show info
2352 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2353 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2354 SendToICS(ics_prefix);
2356 return TRUE; // let incoming board of started game pop down the graph
2357 } else if(click == Release) { // release 'miss' is ignored
2358 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2359 if(moving == 2) { // right up-click
2360 nrOfSeekAds = 0; // refresh graph
2361 soughtPending = TRUE;
2362 SendToICS(ics_prefix);
2363 SendToICS("sought\n"); // should this be "sought all"?
2366 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2367 // press miss or release hit 'pop down' seek graph
2368 seekGraphUp = FALSE;
2369 DrawPosition(TRUE, NULL);
2375 read_from_ics(isr, closure, data, count, error)
2382 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2383 #define STARTED_NONE 0
2384 #define STARTED_MOVES 1
2385 #define STARTED_BOARD 2
2386 #define STARTED_OBSERVE 3
2387 #define STARTED_HOLDINGS 4
2388 #define STARTED_CHATTER 5
2389 #define STARTED_COMMENT 6
2390 #define STARTED_MOVES_NOHIDE 7
2392 static int started = STARTED_NONE;
2393 static char parse[20000];
2394 static int parse_pos = 0;
2395 static char buf[BUF_SIZE + 1];
2396 static int firstTime = TRUE, intfSet = FALSE;
2397 static ColorClass prevColor = ColorNormal;
2398 static int savingComment = FALSE;
2399 static int cmatch = 0; // continuation sequence match
2406 int backup; /* [DM] For zippy color lines */
2408 char talker[MSG_SIZ]; // [HGM] chat
2411 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2413 if (appData.debugMode) {
2415 fprintf(debugFP, "<ICS: ");
2416 show_bytes(debugFP, data, count);
2417 fprintf(debugFP, "\n");
2421 if (appData.debugMode) { int f = forwardMostMove;
2422 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2423 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2424 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2427 /* If last read ended with a partial line that we couldn't parse,
2428 prepend it to the new read and try again. */
2429 if (leftover_len > 0) {
2430 for (i=0; i<leftover_len; i++)
2431 buf[i] = buf[leftover_start + i];
2434 /* copy new characters into the buffer */
2435 bp = buf + leftover_len;
2436 buf_len=leftover_len;
2437 for (i=0; i<count; i++)
2440 if (data[i] == '\r')
2443 // join lines split by ICS?
2444 if (!appData.noJoin)
2447 Joining just consists of finding matches against the
2448 continuation sequence, and discarding that sequence
2449 if found instead of copying it. So, until a match
2450 fails, there's nothing to do since it might be the
2451 complete sequence, and thus, something we don't want
2454 if (data[i] == cont_seq[cmatch])
2457 if (cmatch == strlen(cont_seq))
2459 cmatch = 0; // complete match. just reset the counter
2462 it's possible for the ICS to not include the space
2463 at the end of the last word, making our [correct]
2464 join operation fuse two separate words. the server
2465 does this when the space occurs at the width setting.
2467 if (!buf_len || buf[buf_len-1] != ' ')
2478 match failed, so we have to copy what matched before
2479 falling through and copying this character. In reality,
2480 this will only ever be just the newline character, but
2481 it doesn't hurt to be precise.
2483 strncpy(bp, cont_seq, cmatch);
2495 buf[buf_len] = NULLCHAR;
2496 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2501 while (i < buf_len) {
2502 /* Deal with part of the TELNET option negotiation
2503 protocol. We refuse to do anything beyond the
2504 defaults, except that we allow the WILL ECHO option,
2505 which ICS uses to turn off password echoing when we are
2506 directly connected to it. We reject this option
2507 if localLineEditing mode is on (always on in xboard)
2508 and we are talking to port 23, which might be a real
2509 telnet server that will try to keep WILL ECHO on permanently.
2511 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2512 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2513 unsigned char option;
2515 switch ((unsigned char) buf[++i]) {
2517 if (appData.debugMode)
2518 fprintf(debugFP, "\n<WILL ");
2519 switch (option = (unsigned char) buf[++i]) {
2521 if (appData.debugMode)
2522 fprintf(debugFP, "ECHO ");
2523 /* Reply only if this is a change, according
2524 to the protocol rules. */
2525 if (remoteEchoOption) break;
2526 if (appData.localLineEditing &&
2527 atoi(appData.icsPort) == TN_PORT) {
2528 TelnetRequest(TN_DONT, TN_ECHO);
2531 TelnetRequest(TN_DO, TN_ECHO);
2532 remoteEchoOption = TRUE;
2536 if (appData.debugMode)
2537 fprintf(debugFP, "%d ", option);
2538 /* Whatever this is, we don't want it. */
2539 TelnetRequest(TN_DONT, option);
2544 if (appData.debugMode)
2545 fprintf(debugFP, "\n<WONT ");
2546 switch (option = (unsigned char) buf[++i]) {
2548 if (appData.debugMode)
2549 fprintf(debugFP, "ECHO ");
2550 /* Reply only if this is a change, according
2551 to the protocol rules. */
2552 if (!remoteEchoOption) break;
2554 TelnetRequest(TN_DONT, TN_ECHO);
2555 remoteEchoOption = FALSE;
2558 if (appData.debugMode)
2559 fprintf(debugFP, "%d ", (unsigned char) option);
2560 /* Whatever this is, it must already be turned
2561 off, because we never agree to turn on
2562 anything non-default, so according to the
2563 protocol rules, we don't reply. */
2568 if (appData.debugMode)
2569 fprintf(debugFP, "\n<DO ");
2570 switch (option = (unsigned char) buf[++i]) {
2572 /* Whatever this is, we refuse to do it. */
2573 if (appData.debugMode)
2574 fprintf(debugFP, "%d ", option);
2575 TelnetRequest(TN_WONT, option);
2580 if (appData.debugMode)
2581 fprintf(debugFP, "\n<DONT ");
2582 switch (option = (unsigned char) buf[++i]) {
2584 if (appData.debugMode)
2585 fprintf(debugFP, "%d ", option);
2586 /* Whatever this is, we are already not doing
2587 it, because we never agree to do anything
2588 non-default, so according to the protocol
2589 rules, we don't reply. */
2594 if (appData.debugMode)
2595 fprintf(debugFP, "\n<IAC ");
2596 /* Doubled IAC; pass it through */
2600 if (appData.debugMode)
2601 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2602 /* Drop all other telnet commands on the floor */
2605 if (oldi > next_out)
2606 SendToPlayer(&buf[next_out], oldi - next_out);
2612 /* OK, this at least will *usually* work */
2613 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2617 if (loggedOn && !intfSet) {
2618 if (ics_type == ICS_ICC) {
2619 snprintf(str, MSG_SIZ,
2620 "/set-quietly interface %s\n/set-quietly style 12\n",
2622 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2623 strcat(str, "/set-2 51 1\n/set seek 1\n");
2624 } else if (ics_type == ICS_CHESSNET) {
2625 snprintf(str, MSG_SIZ, "/style 12\n");
2627 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2628 strcat(str, programVersion);
2629 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2630 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2631 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2633 strcat(str, "$iset nohighlight 1\n");
2635 strcat(str, "$iset lock 1\n$style 12\n");
2638 NotifyFrontendLogin();
2642 if (started == STARTED_COMMENT) {
2643 /* Accumulate characters in comment */
2644 parse[parse_pos++] = buf[i];
2645 if (buf[i] == '\n') {
2646 parse[parse_pos] = NULLCHAR;
2647 if(chattingPartner>=0) {
2649 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2650 OutputChatMessage(chattingPartner, mess);
2651 chattingPartner = -1;
2652 next_out = i+1; // [HGM] suppress printing in ICS window
2654 if(!suppressKibitz) // [HGM] kibitz
2655 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2656 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2657 int nrDigit = 0, nrAlph = 0, j;
2658 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2659 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2660 parse[parse_pos] = NULLCHAR;
2661 // try to be smart: if it does not look like search info, it should go to
2662 // ICS interaction window after all, not to engine-output window.
2663 for(j=0; j<parse_pos; j++) { // count letters and digits
2664 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2665 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2666 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2668 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2669 int depth=0; float score;
2670 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2671 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2672 pvInfoList[forwardMostMove-1].depth = depth;
2673 pvInfoList[forwardMostMove-1].score = 100*score;
2675 OutputKibitz(suppressKibitz, parse);
2678 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2679 SendToPlayer(tmp, strlen(tmp));
2681 next_out = i+1; // [HGM] suppress printing in ICS window
2683 started = STARTED_NONE;
2685 /* Don't match patterns against characters in comment */
2690 if (started == STARTED_CHATTER) {
2691 if (buf[i] != '\n') {
2692 /* Don't match patterns against characters in chatter */
2696 started = STARTED_NONE;
2697 if(suppressKibitz) next_out = i+1;
2700 /* Kludge to deal with rcmd protocol */
2701 if (firstTime && looking_at(buf, &i, "\001*")) {
2702 DisplayFatalError(&buf[1], 0, 1);
2708 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2711 if (appData.debugMode)
2712 fprintf(debugFP, "ics_type %d\n", ics_type);
2715 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2716 ics_type = ICS_FICS;
2718 if (appData.debugMode)
2719 fprintf(debugFP, "ics_type %d\n", ics_type);
2722 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2723 ics_type = ICS_CHESSNET;
2725 if (appData.debugMode)
2726 fprintf(debugFP, "ics_type %d\n", ics_type);
2731 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2732 looking_at(buf, &i, "Logging you in as \"*\"") ||
2733 looking_at(buf, &i, "will be \"*\""))) {
2734 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2738 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2740 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2741 DisplayIcsInteractionTitle(buf);
2742 have_set_title = TRUE;
2745 /* skip finger notes */
2746 if (started == STARTED_NONE &&
2747 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
2748 (buf[i] == '1' && buf[i+1] == '0')) &&
2749 buf[i+2] == ':' && buf[i+3] == ' ') {
2750 started = STARTED_CHATTER;
2756 // [HGM] seekgraph: recognize sought lines and end-of-sought message
2757 if(appData.seekGraph) {
2758 if(soughtPending && MatchSoughtLine(buf+i)) {
2759 i = strstr(buf+i, "rated") - buf;
2760 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2761 next_out = leftover_start = i;
2762 started = STARTED_CHATTER;
2763 suppressKibitz = TRUE;
2766 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
2767 && looking_at(buf, &i, "* ads displayed")) {
2768 soughtPending = FALSE;
2773 if(appData.autoRefresh) {
2774 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
2775 int s = (ics_type == ICS_ICC); // ICC format differs
2777 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
2778 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
2779 looking_at(buf, &i, "*% "); // eat prompt
2780 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
2781 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2782 next_out = i; // suppress
2785 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
2786 char *p = star_match[0];
2788 if(seekGraphUp) RemoveSeekAd(atoi(p));
2789 while(*p && *p++ != ' '); // next
2791 looking_at(buf, &i, "*% "); // eat prompt
2792 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2799 /* skip formula vars */
2800 if (started == STARTED_NONE &&
2801 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
2802 started = STARTED_CHATTER;
2807 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
2808 if (appData.autoKibitz && started == STARTED_NONE &&
2809 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
2810 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
2811 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
2812 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
2813 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
2814 suppressKibitz = TRUE;
2815 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2817 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
2818 && (gameMode == IcsPlayingWhite)) ||
2819 (StrStr(star_match[0], gameInfo.black) == star_match[0]
2820 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
2821 started = STARTED_CHATTER; // own kibitz we simply discard
2823 started = STARTED_COMMENT; // make sure it will be collected in parse[]
2824 parse_pos = 0; parse[0] = NULLCHAR;
2825 savingComment = TRUE;
2826 suppressKibitz = gameMode != IcsObserving ? 2 :
2827 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
2831 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
2832 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
2833 && atoi(star_match[0])) {
2834 // suppress the acknowledgements of our own autoKibitz
2836 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2837 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
2838 SendToPlayer(star_match[0], strlen(star_match[0]));
2839 if(looking_at(buf, &i, "*% ")) // eat prompt
2840 suppressKibitz = FALSE;
2844 } // [HGM] kibitz: end of patch
2846 // [HGM] chat: intercept tells by users for which we have an open chat window
2848 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
2849 looking_at(buf, &i, "* whispers:") ||
2850 looking_at(buf, &i, "* kibitzes:") ||
2851 looking_at(buf, &i, "* shouts:") ||
2852 looking_at(buf, &i, "* c-shouts:") ||
2853 looking_at(buf, &i, "--> * ") ||
2854 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
2855 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
2856 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
2857 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
2859 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
2860 chattingPartner = -1;
2862 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
2863 for(p=0; p<MAX_CHAT; p++) {
2864 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
2865 talker[0] = '['; strcat(talker, "] ");
2866 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
2867 chattingPartner = p; break;
2870 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
2871 for(p=0; p<MAX_CHAT; p++) {
2872 if(!strcmp("kibitzes", chatPartner[p])) {
2873 talker[0] = '['; strcat(talker, "] ");
2874 chattingPartner = p; break;
2877 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
2878 for(p=0; p<MAX_CHAT; p++) {
2879 if(!strcmp("whispers", chatPartner[p])) {
2880 talker[0] = '['; strcat(talker, "] ");
2881 chattingPartner = p; break;
2884 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
2885 if(buf[i-8] == '-' && buf[i-3] == 't')
2886 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
2887 if(!strcmp("c-shouts", chatPartner[p])) {
2888 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
2889 chattingPartner = p; break;
2892 if(chattingPartner < 0)
2893 for(p=0; p<MAX_CHAT; p++) {
2894 if(!strcmp("shouts", chatPartner[p])) {
2895 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
2896 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
2897 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
2898 chattingPartner = p; break;
2902 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
2903 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
2904 talker[0] = 0; Colorize(ColorTell, FALSE);
2905 chattingPartner = p; break;
2907 if(chattingPartner<0) i = oldi; else {
2908 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
2909 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
2910 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
2911 started = STARTED_COMMENT;
2912 parse_pos = 0; parse[0] = NULLCHAR;
2913 savingComment = 3 + chattingPartner; // counts as TRUE
2914 suppressKibitz = TRUE;
2917 } // [HGM] chat: end of patch
2919 if (appData.zippyTalk || appData.zippyPlay) {
2920 /* [DM] Backup address for color zippy lines */
2923 if (loggedOn == TRUE)
2924 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
2925 (appData.zippyPlay && ZippyMatch(buf, &backup)));
2927 } // [DM] 'else { ' deleted
2929 /* Regular tells and says */
2930 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
2931 looking_at(buf, &i, "* (your partner) tells you: ") ||
2932 looking_at(buf, &i, "* says: ") ||
2933 /* Don't color "message" or "messages" output */
2934 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
2935 looking_at(buf, &i, "*. * at *:*: ") ||
2936 looking_at(buf, &i, "--* (*:*): ") ||
2937 /* Message notifications (same color as tells) */
2938 looking_at(buf, &i, "* has left a message ") ||
2939 looking_at(buf, &i, "* just sent you a message:\n") ||
2940 /* Whispers and kibitzes */
2941 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
2942 looking_at(buf, &i, "* kibitzes: ") ||
2944 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
2946 if (tkind == 1 && strchr(star_match[0], ':')) {
2947 /* Avoid "tells you:" spoofs in channels */
2950 if (star_match[0][0] == NULLCHAR ||
2951 strchr(star_match[0], ' ') ||
2952 (tkind == 3 && strchr(star_match[1], ' '))) {
2953 /* Reject bogus matches */
2956 if (appData.colorize) {
2957 if (oldi > next_out) {
2958 SendToPlayer(&buf[next_out], oldi - next_out);
2963 Colorize(ColorTell, FALSE);
2964 curColor = ColorTell;
2967 Colorize(ColorKibitz, FALSE);
2968 curColor = ColorKibitz;
2971 p = strrchr(star_match[1], '(');
2978 Colorize(ColorChannel1, FALSE);
2979 curColor = ColorChannel1;
2981 Colorize(ColorChannel, FALSE);
2982 curColor = ColorChannel;
2986 curColor = ColorNormal;
2990 if (started == STARTED_NONE && appData.autoComment &&
2991 (gameMode == IcsObserving ||
2992 gameMode == IcsPlayingWhite ||
2993 gameMode == IcsPlayingBlack)) {
2994 parse_pos = i - oldi;
2995 memcpy(parse, &buf[oldi], parse_pos);
2996 parse[parse_pos] = NULLCHAR;
2997 started = STARTED_COMMENT;
2998 savingComment = TRUE;
3000 started = STARTED_CHATTER;
3001 savingComment = FALSE;
3008 if (looking_at(buf, &i, "* s-shouts: ") ||
3009 looking_at(buf, &i, "* c-shouts: ")) {
3010 if (appData.colorize) {
3011 if (oldi > next_out) {
3012 SendToPlayer(&buf[next_out], oldi - next_out);
3015 Colorize(ColorSShout, FALSE);
3016 curColor = ColorSShout;
3019 started = STARTED_CHATTER;
3023 if (looking_at(buf, &i, "--->")) {
3028 if (looking_at(buf, &i, "* shouts: ") ||
3029 looking_at(buf, &i, "--> ")) {
3030 if (appData.colorize) {
3031 if (oldi > next_out) {
3032 SendToPlayer(&buf[next_out], oldi - next_out);
3035 Colorize(ColorShout, FALSE);
3036 curColor = ColorShout;
3039 started = STARTED_CHATTER;
3043 if (looking_at( buf, &i, "Challenge:")) {
3044 if (appData.colorize) {
3045 if (oldi > next_out) {
3046 SendToPlayer(&buf[next_out], oldi - next_out);
3049 Colorize(ColorChallenge, FALSE);
3050 curColor = ColorChallenge;
3056 if (looking_at(buf, &i, "* offers you") ||
3057 looking_at(buf, &i, "* offers to be") ||
3058 looking_at(buf, &i, "* would like to") ||
3059 looking_at(buf, &i, "* requests to") ||
3060 looking_at(buf, &i, "Your opponent offers") ||
3061 looking_at(buf, &i, "Your opponent requests")) {
3063 if (appData.colorize) {
3064 if (oldi > next_out) {
3065 SendToPlayer(&buf[next_out], oldi - next_out);
3068 Colorize(ColorRequest, FALSE);
3069 curColor = ColorRequest;
3074 if (looking_at(buf, &i, "* (*) seeking")) {
3075 if (appData.colorize) {
3076 if (oldi > next_out) {
3077 SendToPlayer(&buf[next_out], oldi - next_out);
3080 Colorize(ColorSeek, FALSE);
3081 curColor = ColorSeek;
3086 if (looking_at(buf, &i, "\\ ")) {
3087 if (prevColor != ColorNormal) {
3088 if (oldi > next_out) {
3089 SendToPlayer(&buf[next_out], oldi - next_out);
3092 Colorize(prevColor, TRUE);
3093 curColor = prevColor;
3095 if (savingComment) {
3096 parse_pos = i - oldi;
3097 memcpy(parse, &buf[oldi], parse_pos);
3098 parse[parse_pos] = NULLCHAR;
3099 started = STARTED_COMMENT;
3100 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3101 chattingPartner = savingComment - 3; // kludge to remember the box
3103 started = STARTED_CHATTER;
3108 if (looking_at(buf, &i, "Black Strength :") ||
3109 looking_at(buf, &i, "<<< style 10 board >>>") ||
3110 looking_at(buf, &i, "<10>") ||
3111 looking_at(buf, &i, "#@#")) {
3112 /* Wrong board style */
3114 SendToICS(ics_prefix);
3115 SendToICS("set style 12\n");
3116 SendToICS(ics_prefix);
3117 SendToICS("refresh\n");
3121 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3123 have_sent_ICS_logon = 1;
3127 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3128 (looking_at(buf, &i, "\n<12> ") ||
3129 looking_at(buf, &i, "<12> "))) {
3131 if (oldi > next_out) {
3132 SendToPlayer(&buf[next_out], oldi - next_out);
3135 started = STARTED_BOARD;
3140 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3141 looking_at(buf, &i, "<b1> ")) {
3142 if (oldi > next_out) {
3143 SendToPlayer(&buf[next_out], oldi - next_out);
3146 started = STARTED_HOLDINGS;
3151 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3153 /* Header for a move list -- first line */
3155 switch (ics_getting_history) {
3159 case BeginningOfGame:
3160 /* User typed "moves" or "oldmoves" while we
3161 were idle. Pretend we asked for these
3162 moves and soak them up so user can step
3163 through them and/or save them.
3166 gameMode = IcsObserving;
3169 ics_getting_history = H_GOT_UNREQ_HEADER;
3171 case EditGame: /*?*/
3172 case EditPosition: /*?*/
3173 /* Should above feature work in these modes too? */
3174 /* For now it doesn't */
3175 ics_getting_history = H_GOT_UNWANTED_HEADER;
3178 ics_getting_history = H_GOT_UNWANTED_HEADER;
3183 /* Is this the right one? */
3184 if (gameInfo.white && gameInfo.black &&
3185 strcmp(gameInfo.white, star_match[0]) == 0 &&
3186 strcmp(gameInfo.black, star_match[2]) == 0) {
3188 ics_getting_history = H_GOT_REQ_HEADER;
3191 case H_GOT_REQ_HEADER:
3192 case H_GOT_UNREQ_HEADER:
3193 case H_GOT_UNWANTED_HEADER:
3194 case H_GETTING_MOVES:
3195 /* Should not happen */
3196 DisplayError(_("Error gathering move list: two headers"), 0);
3197 ics_getting_history = H_FALSE;
3201 /* Save player ratings into gameInfo if needed */
3202 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3203 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3204 (gameInfo.whiteRating == -1 ||
3205 gameInfo.blackRating == -1)) {
3207 gameInfo.whiteRating = string_to_rating(star_match[1]);
3208 gameInfo.blackRating = string_to_rating(star_match[3]);
3209 if (appData.debugMode)
3210 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3211 gameInfo.whiteRating, gameInfo.blackRating);
3216 if (looking_at(buf, &i,
3217 "* * match, initial time: * minute*, increment: * second")) {
3218 /* Header for a move list -- second line */
3219 /* Initial board will follow if this is a wild game */
3220 if (gameInfo.event != NULL) free(gameInfo.event);
3221 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3222 gameInfo.event = StrSave(str);
3223 /* [HGM] we switched variant. Translate boards if needed. */
3224 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3228 if (looking_at(buf, &i, "Move ")) {
3229 /* Beginning of a move list */
3230 switch (ics_getting_history) {
3232 /* Normally should not happen */
3233 /* Maybe user hit reset while we were parsing */
3236 /* Happens if we are ignoring a move list that is not
3237 * the one we just requested. Common if the user
3238 * tries to observe two games without turning off
3241 case H_GETTING_MOVES:
3242 /* Should not happen */
3243 DisplayError(_("Error gathering move list: nested"), 0);
3244 ics_getting_history = H_FALSE;
3246 case H_GOT_REQ_HEADER:
3247 ics_getting_history = H_GETTING_MOVES;
3248 started = STARTED_MOVES;
3250 if (oldi > next_out) {
3251 SendToPlayer(&buf[next_out], oldi - next_out);
3254 case H_GOT_UNREQ_HEADER:
3255 ics_getting_history = H_GETTING_MOVES;
3256 started = STARTED_MOVES_NOHIDE;
3259 case H_GOT_UNWANTED_HEADER:
3260 ics_getting_history = H_FALSE;
3266 if (looking_at(buf, &i, "% ") ||
3267 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3268 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3269 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3270 soughtPending = FALSE;
3274 if(suppressKibitz) next_out = i;
3275 savingComment = FALSE;
3279 case STARTED_MOVES_NOHIDE:
3280 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3281 parse[parse_pos + i - oldi] = NULLCHAR;
3282 ParseGameHistory(parse);
3284 if (appData.zippyPlay && first.initDone) {
3285 FeedMovesToProgram(&first, forwardMostMove);
3286 if (gameMode == IcsPlayingWhite) {
3287 if (WhiteOnMove(forwardMostMove)) {
3288 if (first.sendTime) {
3289 if (first.useColors) {
3290 SendToProgram("black\n", &first);
3292 SendTimeRemaining(&first, TRUE);
3294 if (first.useColors) {
3295 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3297 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3298 first.maybeThinking = TRUE;
3300 if (first.usePlayother) {
3301 if (first.sendTime) {
3302 SendTimeRemaining(&first, TRUE);
3304 SendToProgram("playother\n", &first);
3310 } else if (gameMode == IcsPlayingBlack) {
3311 if (!WhiteOnMove(forwardMostMove)) {
3312 if (first.sendTime) {
3313 if (first.useColors) {
3314 SendToProgram("white\n", &first);
3316 SendTimeRemaining(&first, FALSE);
3318 if (first.useColors) {
3319 SendToProgram("black\n", &first);
3321 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3322 first.maybeThinking = TRUE;
3324 if (first.usePlayother) {
3325 if (first.sendTime) {
3326 SendTimeRemaining(&first, FALSE);
3328 SendToProgram("playother\n", &first);
3337 if (gameMode == IcsObserving && ics_gamenum == -1) {
3338 /* Moves came from oldmoves or moves command
3339 while we weren't doing anything else.
3341 currentMove = forwardMostMove;
3342 ClearHighlights();/*!!could figure this out*/
3343 flipView = appData.flipView;
3344 DrawPosition(TRUE, boards[currentMove]);
3345 DisplayBothClocks();
3346 snprintf(str, MSG_SIZ, "%s vs. %s",
3347 gameInfo.white, gameInfo.black);
3351 /* Moves were history of an active game */
3352 if (gameInfo.resultDetails != NULL) {
3353 free(gameInfo.resultDetails);
3354 gameInfo.resultDetails = NULL;
3357 HistorySet(parseList, backwardMostMove,
3358 forwardMostMove, currentMove-1);
3359 DisplayMove(currentMove - 1);
3360 if (started == STARTED_MOVES) next_out = i;
3361 started = STARTED_NONE;
3362 ics_getting_history = H_FALSE;
3365 case STARTED_OBSERVE:
3366 started = STARTED_NONE;
3367 SendToICS(ics_prefix);
3368 SendToICS("refresh\n");
3374 if(bookHit) { // [HGM] book: simulate book reply
3375 static char bookMove[MSG_SIZ]; // a bit generous?
3377 programStats.nodes = programStats.depth = programStats.time =
3378 programStats.score = programStats.got_only_move = 0;
3379 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3381 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3382 strcat(bookMove, bookHit);
3383 HandleMachineMove(bookMove, &first);
3388 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3389 started == STARTED_HOLDINGS ||
3390 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3391 /* Accumulate characters in move list or board */
3392 parse[parse_pos++] = buf[i];
3395 /* Start of game messages. Mostly we detect start of game
3396 when the first board image arrives. On some versions
3397 of the ICS, though, we need to do a "refresh" after starting
3398 to observe in order to get the current board right away. */
3399 if (looking_at(buf, &i, "Adding game * to observation list")) {
3400 started = STARTED_OBSERVE;
3404 /* Handle auto-observe */
3405 if (appData.autoObserve &&
3406 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3407 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3409 /* Choose the player that was highlighted, if any. */
3410 if (star_match[0][0] == '\033' ||
3411 star_match[1][0] != '\033') {
3412 player = star_match[0];
3414 player = star_match[2];
3416 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3417 ics_prefix, StripHighlightAndTitle(player));
3420 /* Save ratings from notify string */
3421 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3422 player1Rating = string_to_rating(star_match[1]);
3423 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3424 player2Rating = string_to_rating(star_match[3]);
3426 if (appData.debugMode)
3428 "Ratings from 'Game notification:' %s %d, %s %d\n",
3429 player1Name, player1Rating,
3430 player2Name, player2Rating);
3435 /* Deal with automatic examine mode after a game,
3436 and with IcsObserving -> IcsExamining transition */
3437 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3438 looking_at(buf, &i, "has made you an examiner of game *")) {
3440 int gamenum = atoi(star_match[0]);
3441 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3442 gamenum == ics_gamenum) {
3443 /* We were already playing or observing this game;
3444 no need to refetch history */
3445 gameMode = IcsExamining;
3447 pauseExamForwardMostMove = forwardMostMove;
3448 } else if (currentMove < forwardMostMove) {
3449 ForwardInner(forwardMostMove);
3452 /* I don't think this case really can happen */
3453 SendToICS(ics_prefix);
3454 SendToICS("refresh\n");
3459 /* Error messages */
3460 // if (ics_user_moved) {
3461 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3462 if (looking_at(buf, &i, "Illegal move") ||
3463 looking_at(buf, &i, "Not a legal move") ||
3464 looking_at(buf, &i, "Your king is in check") ||
3465 looking_at(buf, &i, "It isn't your turn") ||
3466 looking_at(buf, &i, "It is not your move")) {
3468 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3469 currentMove = forwardMostMove-1;
3470 DisplayMove(currentMove - 1); /* before DMError */
3471 DrawPosition(FALSE, boards[currentMove]);
3472 SwitchClocks(forwardMostMove-1); // [HGM] race
3473 DisplayBothClocks();
3475 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3481 if (looking_at(buf, &i, "still have time") ||
3482 looking_at(buf, &i, "not out of time") ||
3483 looking_at(buf, &i, "either player is out of time") ||
3484 looking_at(buf, &i, "has timeseal; checking")) {
3485 /* We must have called his flag a little too soon */
3486 whiteFlag = blackFlag = FALSE;
3490 if (looking_at(buf, &i, "added * seconds to") ||
3491 looking_at(buf, &i, "seconds were added to")) {
3492 /* Update the clocks */
3493 SendToICS(ics_prefix);
3494 SendToICS("refresh\n");
3498 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3499 ics_clock_paused = TRUE;
3504 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3505 ics_clock_paused = FALSE;
3510 /* Grab player ratings from the Creating: message.
3511 Note we have to check for the special case when
3512 the ICS inserts things like [white] or [black]. */
3513 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3514 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3516 0 player 1 name (not necessarily white)
3518 2 empty, white, or black (IGNORED)
3519 3 player 2 name (not necessarily black)
3522 The names/ratings are sorted out when the game
3523 actually starts (below).
3525 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3526 player1Rating = string_to_rating(star_match[1]);
3527 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3528 player2Rating = string_to_rating(star_match[4]);
3530 if (appData.debugMode)
3532 "Ratings from 'Creating:' %s %d, %s %d\n",
3533 player1Name, player1Rating,
3534 player2Name, player2Rating);
3539 /* Improved generic start/end-of-game messages */
3540 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3541 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3542 /* If tkind == 0: */
3543 /* star_match[0] is the game number */
3544 /* [1] is the white player's name */
3545 /* [2] is the black player's name */
3546 /* For end-of-game: */
3547 /* [3] is the reason for the game end */
3548 /* [4] is a PGN end game-token, preceded by " " */
3549 /* For start-of-game: */
3550 /* [3] begins with "Creating" or "Continuing" */
3551 /* [4] is " *" or empty (don't care). */
3552 int gamenum = atoi(star_match[0]);
3553 char *whitename, *blackname, *why, *endtoken;
3554 ChessMove endtype = EndOfFile;
3557 whitename = star_match[1];
3558 blackname = star_match[2];
3559 why = star_match[3];
3560 endtoken = star_match[4];
3562 whitename = star_match[1];
3563 blackname = star_match[3];
3564 why = star_match[5];
3565 endtoken = star_match[6];
3568 /* Game start messages */
3569 if (strncmp(why, "Creating ", 9) == 0 ||
3570 strncmp(why, "Continuing ", 11) == 0) {
3571 gs_gamenum = gamenum;
3572 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3573 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3575 if (appData.zippyPlay) {
3576 ZippyGameStart(whitename, blackname);
3579 partnerBoardValid = FALSE; // [HGM] bughouse
3583 /* Game end messages */
3584 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3585 ics_gamenum != gamenum) {
3588 while (endtoken[0] == ' ') endtoken++;
3589 switch (endtoken[0]) {
3592 endtype = GameUnfinished;
3595 endtype = BlackWins;
3598 if (endtoken[1] == '/')
3599 endtype = GameIsDrawn;
3601 endtype = WhiteWins;
3604 GameEnds(endtype, why, GE_ICS);
3606 if (appData.zippyPlay && first.initDone) {
3607 ZippyGameEnd(endtype, why);
3608 if (first.pr == NULL) {
3609 /* Start the next process early so that we'll
3610 be ready for the next challenge */
3611 StartChessProgram(&first);
3613 /* Send "new" early, in case this command takes
3614 a long time to finish, so that we'll be ready
3615 for the next challenge. */
3616 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3620 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3624 if (looking_at(buf, &i, "Removing game * from observation") ||
3625 looking_at(buf, &i, "no longer observing game *") ||
3626 looking_at(buf, &i, "Game * (*) has no examiners")) {
3627 if (gameMode == IcsObserving &&
3628 atoi(star_match[0]) == ics_gamenum)
3630 /* icsEngineAnalyze */
3631 if (appData.icsEngineAnalyze) {
3638 ics_user_moved = FALSE;
3643 if (looking_at(buf, &i, "no longer examining game *")) {
3644 if (gameMode == IcsExamining &&
3645 atoi(star_match[0]) == ics_gamenum)
3649 ics_user_moved = FALSE;
3654 /* Advance leftover_start past any newlines we find,
3655 so only partial lines can get reparsed */
3656 if (looking_at(buf, &i, "\n")) {
3657 prevColor = curColor;
3658 if (curColor != ColorNormal) {
3659 if (oldi > next_out) {
3660 SendToPlayer(&buf[next_out], oldi - next_out);
3663 Colorize(ColorNormal, FALSE);
3664 curColor = ColorNormal;
3666 if (started == STARTED_BOARD) {
3667 started = STARTED_NONE;
3668 parse[parse_pos] = NULLCHAR;
3669 ParseBoard12(parse);
3672 /* Send premove here */
3673 if (appData.premove) {
3675 if (currentMove == 0 &&
3676 gameMode == IcsPlayingWhite &&
3677 appData.premoveWhite) {
3678 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3679 if (appData.debugMode)
3680 fprintf(debugFP, "Sending premove:\n");
3682 } else if (currentMove == 1 &&
3683 gameMode == IcsPlayingBlack &&
3684 appData.premoveBlack) {
3685 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3686 if (appData.debugMode)
3687 fprintf(debugFP, "Sending premove:\n");
3689 } else if (gotPremove) {
3691 ClearPremoveHighlights();
3692 if (appData.debugMode)
3693 fprintf(debugFP, "Sending premove:\n");
3694 UserMoveEvent(premoveFromX, premoveFromY,
3695 premoveToX, premoveToY,
3700 /* Usually suppress following prompt */
3701 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3702 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3703 if (looking_at(buf, &i, "*% ")) {
3704 savingComment = FALSE;
3709 } else if (started == STARTED_HOLDINGS) {
3711 char new_piece[MSG_SIZ];
3712 started = STARTED_NONE;
3713 parse[parse_pos] = NULLCHAR;
3714 if (appData.debugMode)
3715 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3716 parse, currentMove);
3717 if (sscanf(parse, " game %d", &gamenum) == 1) {
3718 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3719 if (gameInfo.variant == VariantNormal) {
3720 /* [HGM] We seem to switch variant during a game!
3721 * Presumably no holdings were displayed, so we have
3722 * to move the position two files to the right to
3723 * create room for them!
3725 VariantClass newVariant;
3726 switch(gameInfo.boardWidth) { // base guess on board width
3727 case 9: newVariant = VariantShogi; break;
3728 case 10: newVariant = VariantGreat; break;
3729 default: newVariant = VariantCrazyhouse; break;
3731 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3732 /* Get a move list just to see the header, which
3733 will tell us whether this is really bug or zh */
3734 if (ics_getting_history == H_FALSE) {
3735 ics_getting_history = H_REQUESTED;
3736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
3740 new_piece[0] = NULLCHAR;
3741 sscanf(parse, "game %d white [%s black [%s <- %s",
3742 &gamenum, white_holding, black_holding,
3744 white_holding[strlen(white_holding)-1] = NULLCHAR;
3745 black_holding[strlen(black_holding)-1] = NULLCHAR;
3746 /* [HGM] copy holdings to board holdings area */
3747 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
3748 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
3749 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
3751 if (appData.zippyPlay && first.initDone) {
3752 ZippyHoldings(white_holding, black_holding,
3756 if (tinyLayout || smallLayout) {
3757 char wh[16], bh[16];
3758 PackHolding(wh, white_holding);
3759 PackHolding(bh, black_holding);
3760 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
3761 gameInfo.white, gameInfo.black);
3763 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
3764 gameInfo.white, white_holding,
3765 gameInfo.black, black_holding);
3767 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
3768 DrawPosition(FALSE, boards[currentMove]);
3770 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
3771 sscanf(parse, "game %d white [%s black [%s <- %s",
3772 &gamenum, white_holding, black_holding,
3774 white_holding[strlen(white_holding)-1] = NULLCHAR;
3775 black_holding[strlen(black_holding)-1] = NULLCHAR;
3776 /* [HGM] copy holdings to partner-board holdings area */
3777 CopyHoldings(partnerBoard, white_holding, WhitePawn);
3778 CopyHoldings(partnerBoard, black_holding, BlackPawn);
3779 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
3780 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3781 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
3784 /* Suppress following prompt */
3785 if (looking_at(buf, &i, "*% ")) {
3786 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
3787 savingComment = FALSE;
3795 i++; /* skip unparsed character and loop back */
3798 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
3799 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
3800 // SendToPlayer(&buf[next_out], i - next_out);
3801 started != STARTED_HOLDINGS && leftover_start > next_out) {
3802 SendToPlayer(&buf[next_out], leftover_start - next_out);
3806 leftover_len = buf_len - leftover_start;
3807 /* if buffer ends with something we couldn't parse,
3808 reparse it after appending the next read */
3810 } else if (count == 0) {
3811 RemoveInputSource(isr);
3812 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
3814 DisplayFatalError(_("Error reading from ICS"), error, 1);
3819 /* Board style 12 looks like this:
3821 <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
3823 * The "<12> " is stripped before it gets to this routine. The two
3824 * trailing 0's (flip state and clock ticking) are later addition, and
3825 * some chess servers may not have them, or may have only the first.
3826 * Additional trailing fields may be added in the future.
3829 #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"
3831 #define RELATION_OBSERVING_PLAYED 0
3832 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
3833 #define RELATION_PLAYING_MYMOVE 1
3834 #define RELATION_PLAYING_NOTMYMOVE -1
3835 #define RELATION_EXAMINING 2
3836 #define RELATION_ISOLATED_BOARD -3
3837 #define RELATION_STARTING_POSITION -4 /* FICS only */
3840 ParseBoard12(string)
3843 GameMode newGameMode;
3844 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
3845 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
3846 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
3847 char to_play, board_chars[200];
3848 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
3849 char black[32], white[32];
3851 int prevMove = currentMove;
3854 int fromX, fromY, toX, toY;
3856 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
3857 char *bookHit = NULL; // [HGM] book
3858 Boolean weird = FALSE, reqFlag = FALSE;
3860 fromX = fromY = toX = toY = -1;
3864 if (appData.debugMode)
3865 fprintf(debugFP, _("Parsing board: %s\n"), string);
3867 move_str[0] = NULLCHAR;
3868 elapsed_time[0] = NULLCHAR;
3869 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
3871 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
3872 if(string[i] == ' ') { ranks++; files = 0; }
3874 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
3877 for(j = 0; j <i; j++) board_chars[j] = string[j];
3878 board_chars[i] = '\0';
3881 n = sscanf(string, PATTERN, &to_play, &double_push,
3882 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
3883 &gamenum, white, black, &relation, &basetime, &increment,
3884 &white_stren, &black_stren, &white_time, &black_time,
3885 &moveNum, str, elapsed_time, move_str, &ics_flip,
3889 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
3890 DisplayError(str, 0);
3894 /* Convert the move number to internal form */
3895 moveNum = (moveNum - 1) * 2;
3896 if (to_play == 'B') moveNum++;
3897 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
3898 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
3904 case RELATION_OBSERVING_PLAYED:
3905 case RELATION_OBSERVING_STATIC:
3906 if (gamenum == -1) {
3907 /* Old ICC buglet */
3908 relation = RELATION_OBSERVING_STATIC;
3910 newGameMode = IcsObserving;
3912 case RELATION_PLAYING_MYMOVE:
3913 case RELATION_PLAYING_NOTMYMOVE:
3915 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
3916 IcsPlayingWhite : IcsPlayingBlack;
3918 case RELATION_EXAMINING:
3919 newGameMode = IcsExamining;
3921 case RELATION_ISOLATED_BOARD:
3923 /* Just display this board. If user was doing something else,
3924 we will forget about it until the next board comes. */
3925 newGameMode = IcsIdle;
3927 case RELATION_STARTING_POSITION:
3928 newGameMode = gameMode;
3932 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
3933 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
3934 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
3936 for (k = 0; k < ranks; k++) {
3937 for (j = 0; j < files; j++)
3938 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
3939 if(gameInfo.holdingsWidth > 1) {
3940 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
3941 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
3944 CopyBoard(partnerBoard, board);
3945 if(toSqr = strchr(str, '/')) { // extract highlights from long move
3946 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
3947 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
3948 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
3949 if(toSqr = strchr(str, '-')) {
3950 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
3951 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
3952 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
3953 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
3954 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
3955 if(partnerUp) DrawPosition(FALSE, partnerBoard);
3956 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
3957 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
3958 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
3959 DisplayMessage(partnerStatus, "");
3960 partnerBoardValid = TRUE;
3964 /* Modify behavior for initial board display on move listing
3967 switch (ics_getting_history) {
3971 case H_GOT_REQ_HEADER:
3972 case H_GOT_UNREQ_HEADER:
3973 /* This is the initial position of the current game */
3974 gamenum = ics_gamenum;
3975 moveNum = 0; /* old ICS bug workaround */
3976 if (to_play == 'B') {
3977 startedFromSetupPosition = TRUE;
3978 blackPlaysFirst = TRUE;
3980 if (forwardMostMove == 0) forwardMostMove = 1;
3981 if (backwardMostMove == 0) backwardMostMove = 1;
3982 if (currentMove == 0) currentMove = 1;
3984 newGameMode = gameMode;
3985 relation = RELATION_STARTING_POSITION; /* ICC needs this */
3987 case H_GOT_UNWANTED_HEADER:
3988 /* This is an initial board that we don't want */
3990 case H_GETTING_MOVES:
3991 /* Should not happen */
3992 DisplayError(_("Error gathering move list: extra board"), 0);
3993 ics_getting_history = H_FALSE;
3997 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
3998 weird && (int)gameInfo.variant < (int)VariantShogi) {
3999 /* [HGM] We seem to have switched variant unexpectedly
4000 * Try to guess new variant from board size
4002 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4003 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4004 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4005 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4006 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4007 if(!weird) newVariant = VariantNormal;
4008 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4009 /* Get a move list just to see the header, which
4010 will tell us whether this is really bug or zh */
4011 if (ics_getting_history == H_FALSE) {
4012 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4013 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4018 /* Take action if this is the first board of a new game, or of a
4019 different game than is currently being displayed. */
4020 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4021 relation == RELATION_ISOLATED_BOARD) {
4023 /* Forget the old game and get the history (if any) of the new one */
4024 if (gameMode != BeginningOfGame) {
4028 if (appData.autoRaiseBoard) BoardToTop();
4030 if (gamenum == -1) {
4031 newGameMode = IcsIdle;
4032 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4033 appData.getMoveList && !reqFlag) {
4034 /* Need to get game history */
4035 ics_getting_history = H_REQUESTED;
4036 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4040 /* Initially flip the board to have black on the bottom if playing
4041 black or if the ICS flip flag is set, but let the user change
4042 it with the Flip View button. */
4043 flipView = appData.autoFlipView ?
4044 (newGameMode == IcsPlayingBlack) || ics_flip :
4047 /* Done with values from previous mode; copy in new ones */
4048 gameMode = newGameMode;
4050 ics_gamenum = gamenum;
4051 if (gamenum == gs_gamenum) {
4052 int klen = strlen(gs_kind);
4053 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4054 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4055 gameInfo.event = StrSave(str);
4057 gameInfo.event = StrSave("ICS game");
4059 gameInfo.site = StrSave(appData.icsHost);
4060 gameInfo.date = PGNDate();
4061 gameInfo.round = StrSave("-");
4062 gameInfo.white = StrSave(white);
4063 gameInfo.black = StrSave(black);
4064 timeControl = basetime * 60 * 1000;
4066 timeIncrement = increment * 1000;
4067 movesPerSession = 0;
4068 gameInfo.timeControl = TimeControlTagValue();
4069 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4070 if (appData.debugMode) {
4071 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4072 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4073 setbuf(debugFP, NULL);
4076 gameInfo.outOfBook = NULL;
4078 /* Do we have the ratings? */
4079 if (strcmp(player1Name, white) == 0 &&
4080 strcmp(player2Name, black) == 0) {
4081 if (appData.debugMode)
4082 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4083 player1Rating, player2Rating);
4084 gameInfo.whiteRating = player1Rating;
4085 gameInfo.blackRating = player2Rating;
4086 } else if (strcmp(player2Name, white) == 0 &&
4087 strcmp(player1Name, black) == 0) {
4088 if (appData.debugMode)
4089 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4090 player2Rating, player1Rating);
4091 gameInfo.whiteRating = player2Rating;
4092 gameInfo.blackRating = player1Rating;
4094 player1Name[0] = player2Name[0] = NULLCHAR;
4096 /* Silence shouts if requested */
4097 if (appData.quietPlay &&
4098 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4099 SendToICS(ics_prefix);
4100 SendToICS("set shout 0\n");
4104 /* Deal with midgame name changes */
4106 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4107 if (gameInfo.white) free(gameInfo.white);
4108 gameInfo.white = StrSave(white);
4110 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4111 if (gameInfo.black) free(gameInfo.black);
4112 gameInfo.black = StrSave(black);
4116 /* Throw away game result if anything actually changes in examine mode */
4117 if (gameMode == IcsExamining && !newGame) {
4118 gameInfo.result = GameUnfinished;
4119 if (gameInfo.resultDetails != NULL) {
4120 free(gameInfo.resultDetails);
4121 gameInfo.resultDetails = NULL;
4125 /* In pausing && IcsExamining mode, we ignore boards coming
4126 in if they are in a different variation than we are. */
4127 if (pauseExamInvalid) return;
4128 if (pausing && gameMode == IcsExamining) {
4129 if (moveNum <= pauseExamForwardMostMove) {
4130 pauseExamInvalid = TRUE;
4131 forwardMostMove = pauseExamForwardMostMove;
4136 if (appData.debugMode) {
4137 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4139 /* Parse the board */
4140 for (k = 0; k < ranks; k++) {
4141 for (j = 0; j < files; j++)
4142 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4143 if(gameInfo.holdingsWidth > 1) {
4144 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4145 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4148 CopyBoard(boards[moveNum], board);
4149 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4151 startedFromSetupPosition =
4152 !CompareBoards(board, initialPosition);
4153 if(startedFromSetupPosition)
4154 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4157 /* [HGM] Set castling rights. Take the outermost Rooks,
4158 to make it also work for FRC opening positions. Note that board12
4159 is really defective for later FRC positions, as it has no way to
4160 indicate which Rook can castle if they are on the same side of King.
4161 For the initial position we grant rights to the outermost Rooks,
4162 and remember thos rights, and we then copy them on positions
4163 later in an FRC game. This means WB might not recognize castlings with
4164 Rooks that have moved back to their original position as illegal,
4165 but in ICS mode that is not its job anyway.
4167 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4168 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4170 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4171 if(board[0][i] == WhiteRook) j = i;
4172 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4173 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4174 if(board[0][i] == WhiteRook) j = i;
4175 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4176 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4177 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4178 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4179 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4180 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4181 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4183 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4184 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4185 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4186 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4187 if(board[BOARD_HEIGHT-1][k] == bKing)
4188 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4189 if(gameInfo.variant == VariantTwoKings) {
4190 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4191 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4192 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4195 r = boards[moveNum][CASTLING][0] = initialRights[0];
4196 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4197 r = boards[moveNum][CASTLING][1] = initialRights[1];
4198 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4199 r = boards[moveNum][CASTLING][3] = initialRights[3];
4200 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4201 r = boards[moveNum][CASTLING][4] = initialRights[4];
4202 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4203 /* wildcastle kludge: always assume King has rights */
4204 r = boards[moveNum][CASTLING][2] = initialRights[2];
4205 r = boards[moveNum][CASTLING][5] = initialRights[5];
4207 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4208 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4211 if (ics_getting_history == H_GOT_REQ_HEADER ||
4212 ics_getting_history == H_GOT_UNREQ_HEADER) {
4213 /* This was an initial position from a move list, not
4214 the current position */
4218 /* Update currentMove and known move number limits */
4219 newMove = newGame || moveNum > forwardMostMove;
4222 forwardMostMove = backwardMostMove = currentMove = moveNum;
4223 if (gameMode == IcsExamining && moveNum == 0) {
4224 /* Workaround for ICS limitation: we are not told the wild
4225 type when starting to examine a game. But if we ask for
4226 the move list, the move list header will tell us */
4227 ics_getting_history = H_REQUESTED;
4228 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4231 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4232 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4234 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4235 /* [HGM] applied this also to an engine that is silently watching */
4236 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4237 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4238 gameInfo.variant == currentlyInitializedVariant) {
4239 takeback = forwardMostMove - moveNum;
4240 for (i = 0; i < takeback; i++) {
4241 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4242 SendToProgram("undo\n", &first);
4247 forwardMostMove = moveNum;
4248 if (!pausing || currentMove > forwardMostMove)
4249 currentMove = forwardMostMove;
4251 /* New part of history that is not contiguous with old part */
4252 if (pausing && gameMode == IcsExamining) {
4253 pauseExamInvalid = TRUE;
4254 forwardMostMove = pauseExamForwardMostMove;
4257 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4259 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4260 // [HGM] when we will receive the move list we now request, it will be
4261 // fed to the engine from the first move on. So if the engine is not
4262 // in the initial position now, bring it there.
4263 InitChessProgram(&first, 0);
4266 ics_getting_history = H_REQUESTED;
4267 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4270 forwardMostMove = backwardMostMove = currentMove = moveNum;
4273 /* Update the clocks */
4274 if (strchr(elapsed_time, '.')) {
4276 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4277 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4279 /* Time is in seconds */
4280 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4281 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4286 if (appData.zippyPlay && newGame &&
4287 gameMode != IcsObserving && gameMode != IcsIdle &&
4288 gameMode != IcsExamining)
4289 ZippyFirstBoard(moveNum, basetime, increment);
4292 /* Put the move on the move list, first converting
4293 to canonical algebraic form. */
4295 if (appData.debugMode) {
4296 if (appData.debugMode) { int f = forwardMostMove;
4297 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4298 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4299 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4301 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4302 fprintf(debugFP, "moveNum = %d\n", moveNum);
4303 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4304 setbuf(debugFP, NULL);
4306 if (moveNum <= backwardMostMove) {
4307 /* We don't know what the board looked like before
4309 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4310 strcat(parseList[moveNum - 1], " ");
4311 strcat(parseList[moveNum - 1], elapsed_time);
4312 moveList[moveNum - 1][0] = NULLCHAR;
4313 } else if (strcmp(move_str, "none") == 0) {
4314 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4315 /* Again, we don't know what the board looked like;
4316 this is really the start of the game. */
4317 parseList[moveNum - 1][0] = NULLCHAR;
4318 moveList[moveNum - 1][0] = NULLCHAR;
4319 backwardMostMove = moveNum;
4320 startedFromSetupPosition = TRUE;
4321 fromX = fromY = toX = toY = -1;
4323 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4324 // So we parse the long-algebraic move string in stead of the SAN move
4325 int valid; char buf[MSG_SIZ], *prom;
4327 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4328 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4329 // str looks something like "Q/a1-a2"; kill the slash
4331 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4332 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4333 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4334 strcat(buf, prom); // long move lacks promo specification!
4335 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4336 if(appData.debugMode)
4337 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4338 safeStrCpy(move_str, buf, MSG_SIZ);
4340 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4341 &fromX, &fromY, &toX, &toY, &promoChar)
4342 || ParseOneMove(buf, moveNum - 1, &moveType,
4343 &fromX, &fromY, &toX, &toY, &promoChar);
4344 // end of long SAN patch
4346 (void) CoordsToAlgebraic(boards[moveNum - 1],
4347 PosFlags(moveNum - 1),
4348 fromY, fromX, toY, toX, promoChar,
4349 parseList[moveNum-1]);
4350 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4356 if(gameInfo.variant != VariantShogi)
4357 strcat(parseList[moveNum - 1], "+");
4360 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4361 strcat(parseList[moveNum - 1], "#");
4364 strcat(parseList[moveNum - 1], " ");
4365 strcat(parseList[moveNum - 1], elapsed_time);
4366 /* currentMoveString is set as a side-effect of ParseOneMove */
4367 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4368 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4369 strcat(moveList[moveNum - 1], "\n");
4371 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper
4372 && gameInfo.variant != VariantGreat) // inherit info that ICS does not give from previous board
4373 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4374 ChessSquare old, new = boards[moveNum][k][j];
4375 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4376 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4377 if(old == new) continue;
4378 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4379 else if(new == WhiteWazir || new == BlackWazir) {
4380 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4381 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4382 else boards[moveNum][k][j] = old; // preserve type of Gold
4383 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4384 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4387 /* Move from ICS was illegal!? Punt. */
4388 if (appData.debugMode) {
4389 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4390 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4392 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4393 strcat(parseList[moveNum - 1], " ");
4394 strcat(parseList[moveNum - 1], elapsed_time);
4395 moveList[moveNum - 1][0] = NULLCHAR;
4396 fromX = fromY = toX = toY = -1;
4399 if (appData.debugMode) {
4400 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4401 setbuf(debugFP, NULL);
4405 /* Send move to chess program (BEFORE animating it). */
4406 if (appData.zippyPlay && !newGame && newMove &&
4407 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4409 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4410 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4411 if (moveList[moveNum - 1][0] == NULLCHAR) {
4412 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4414 DisplayError(str, 0);
4416 if (first.sendTime) {
4417 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4419 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4420 if (firstMove && !bookHit) {
4422 if (first.useColors) {
4423 SendToProgram(gameMode == IcsPlayingWhite ?
4425 "black\ngo\n", &first);
4427 SendToProgram("go\n", &first);
4429 first.maybeThinking = TRUE;
4432 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4433 if (moveList[moveNum - 1][0] == NULLCHAR) {
4434 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4435 DisplayError(str, 0);
4437 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4438 SendMoveToProgram(moveNum - 1, &first);
4445 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4446 /* If move comes from a remote source, animate it. If it
4447 isn't remote, it will have already been animated. */
4448 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4449 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4451 if (!pausing && appData.highlightLastMove) {
4452 SetHighlights(fromX, fromY, toX, toY);
4456 /* Start the clocks */
4457 whiteFlag = blackFlag = FALSE;
4458 appData.clockMode = !(basetime == 0 && increment == 0);
4460 ics_clock_paused = TRUE;
4462 } else if (ticking == 1) {
4463 ics_clock_paused = FALSE;
4465 if (gameMode == IcsIdle ||
4466 relation == RELATION_OBSERVING_STATIC ||
4467 relation == RELATION_EXAMINING ||
4469 DisplayBothClocks();
4473 /* Display opponents and material strengths */
4474 if (gameInfo.variant != VariantBughouse &&
4475 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4476 if (tinyLayout || smallLayout) {
4477 if(gameInfo.variant == VariantNormal)
4478 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4479 gameInfo.white, white_stren, gameInfo.black, black_stren,
4480 basetime, increment);
4482 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4483 gameInfo.white, white_stren, gameInfo.black, black_stren,
4484 basetime, increment, (int) gameInfo.variant);
4486 if(gameInfo.variant == VariantNormal)
4487 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4488 gameInfo.white, white_stren, gameInfo.black, black_stren,
4489 basetime, increment);
4491 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4492 gameInfo.white, white_stren, gameInfo.black, black_stren,
4493 basetime, increment, VariantName(gameInfo.variant));
4496 if (appData.debugMode) {
4497 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4502 /* Display the board */
4503 if (!pausing && !appData.noGUI) {
4505 if (appData.premove)
4507 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4508 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4509 ClearPremoveHighlights();
4511 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4512 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4513 DrawPosition(j, boards[currentMove]);
4515 DisplayMove(moveNum - 1);
4516 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4517 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4518 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4519 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4523 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4525 if(bookHit) { // [HGM] book: simulate book reply
4526 static char bookMove[MSG_SIZ]; // a bit generous?
4528 programStats.nodes = programStats.depth = programStats.time =
4529 programStats.score = programStats.got_only_move = 0;
4530 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4532 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4533 strcat(bookMove, bookHit);
4534 HandleMachineMove(bookMove, &first);
4543 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4544 ics_getting_history = H_REQUESTED;
4545 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4551 AnalysisPeriodicEvent(force)
4554 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4555 && !force) || !appData.periodicUpdates)
4558 /* Send . command to Crafty to collect stats */
4559 SendToProgram(".\n", &first);
4561 /* Don't send another until we get a response (this makes
4562 us stop sending to old Crafty's which don't understand
4563 the "." command (sending illegal cmds resets node count & time,
4564 which looks bad)) */
4565 programStats.ok_to_send = 0;
4568 void ics_update_width(new_width)
4571 ics_printf("set width %d\n", new_width);
4575 SendMoveToProgram(moveNum, cps)
4577 ChessProgramState *cps;
4581 if (cps->useUsermove) {
4582 SendToProgram("usermove ", cps);
4586 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4587 int len = space - parseList[moveNum];
4588 memcpy(buf, parseList[moveNum], len);
4590 buf[len] = NULLCHAR;
4592 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4594 SendToProgram(buf, cps);
4596 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4597 AlphaRank(moveList[moveNum], 4);
4598 SendToProgram(moveList[moveNum], cps);
4599 AlphaRank(moveList[moveNum], 4); // and back
4601 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4602 * the engine. It would be nice to have a better way to identify castle
4604 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4605 && cps->useOOCastle) {
4606 int fromX = moveList[moveNum][0] - AAA;
4607 int fromY = moveList[moveNum][1] - ONE;
4608 int toX = moveList[moveNum][2] - AAA;
4609 int toY = moveList[moveNum][3] - ONE;
4610 if((boards[moveNum][fromY][fromX] == WhiteKing
4611 && boards[moveNum][toY][toX] == WhiteRook)
4612 || (boards[moveNum][fromY][fromX] == BlackKing
4613 && boards[moveNum][toY][toX] == BlackRook)) {
4614 if(toX > fromX) SendToProgram("O-O\n", cps);
4615 else SendToProgram("O-O-O\n", cps);
4617 else SendToProgram(moveList[moveNum], cps);
4619 else SendToProgram(moveList[moveNum], cps);
4620 /* End of additions by Tord */
4623 /* [HGM] setting up the opening has brought engine in force mode! */
4624 /* Send 'go' if we are in a mode where machine should play. */
4625 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4626 (gameMode == TwoMachinesPlay ||
4628 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4630 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4631 SendToProgram("go\n", cps);
4632 if (appData.debugMode) {
4633 fprintf(debugFP, "(extra)\n");
4636 setboardSpoiledMachineBlack = 0;
4640 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4642 int fromX, fromY, toX, toY;
4645 char user_move[MSG_SIZ];
4649 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4650 (int)moveType, fromX, fromY, toX, toY);
4651 DisplayError(user_move + strlen("say "), 0);
4653 case WhiteKingSideCastle:
4654 case BlackKingSideCastle:
4655 case WhiteQueenSideCastleWild:
4656 case BlackQueenSideCastleWild:
4658 case WhiteHSideCastleFR:
4659 case BlackHSideCastleFR:
4661 snprintf(user_move, MSG_SIZ, "o-o\n");
4663 case WhiteQueenSideCastle:
4664 case BlackQueenSideCastle:
4665 case WhiteKingSideCastleWild:
4666 case BlackKingSideCastleWild:
4668 case WhiteASideCastleFR:
4669 case BlackASideCastleFR:
4671 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4673 case WhiteNonPromotion:
4674 case BlackNonPromotion:
4675 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4677 case WhitePromotion:
4678 case BlackPromotion:
4679 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4680 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4681 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4682 PieceToChar(WhiteFerz));
4683 else if(gameInfo.variant == VariantGreat)
4684 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4685 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4686 PieceToChar(WhiteMan));
4688 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4689 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4695 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4696 ToUpper(PieceToChar((ChessSquare) fromX)),
4697 AAA + toX, ONE + toY);
4699 case IllegalMove: /* could be a variant we don't quite understand */
4700 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4702 case WhiteCapturesEnPassant:
4703 case BlackCapturesEnPassant:
4704 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4705 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4708 SendToICS(user_move);
4709 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4710 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4715 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4716 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4717 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4718 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4719 DisplayError("You cannot do this while you are playing or observing", 0);
4722 if(gameMode != IcsExamining) { // is this ever not the case?
4723 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4725 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4726 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4727 } else { // on FICS we must first go to general examine mode
4728 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4730 if(gameInfo.variant != VariantNormal) {
4731 // try figure out wild number, as xboard names are not always valid on ICS
4732 for(i=1; i<=36; i++) {
4733 snprintf(buf, MSG_SIZ, "wild/%d", i);
4734 if(StringToVariant(buf) == gameInfo.variant) break;
4736 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4737 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4738 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4739 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4740 SendToICS(ics_prefix);
4742 if(startedFromSetupPosition || backwardMostMove != 0) {
4743 fen = PositionToFEN(backwardMostMove, NULL);
4744 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4745 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4747 } else { // FICS: everything has to set by separate bsetup commands
4748 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4749 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4751 if(!WhiteOnMove(backwardMostMove)) {
4752 SendToICS("bsetup tomove black\n");
4754 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4755 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4757 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4758 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4760 i = boards[backwardMostMove][EP_STATUS];
4761 if(i >= 0) { // set e.p.
4762 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4768 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4769 SendToICS("bsetup done\n"); // switch to normal examining.
4771 for(i = backwardMostMove; i<last; i++) {
4773 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4776 SendToICS(ics_prefix);
4777 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4781 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4786 if (rf == DROP_RANK) {
4787 sprintf(move, "%c@%c%c\n",
4788 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4790 if (promoChar == 'x' || promoChar == NULLCHAR) {
4791 sprintf(move, "%c%c%c%c\n",
4792 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4794 sprintf(move, "%c%c%c%c%c\n",
4795 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4801 ProcessICSInitScript(f)
4806 while (fgets(buf, MSG_SIZ, f)) {
4807 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4814 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4816 AlphaRank(char *move, int n)
4818 // char *p = move, c; int x, y;
4820 if (appData.debugMode) {
4821 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4825 move[2]>='0' && move[2]<='9' &&
4826 move[3]>='a' && move[3]<='x' ) {
4828 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4829 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4831 if(move[0]>='0' && move[0]<='9' &&
4832 move[1]>='a' && move[1]<='x' &&
4833 move[2]>='0' && move[2]<='9' &&
4834 move[3]>='a' && move[3]<='x' ) {
4835 /* input move, Shogi -> normal */
4836 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4837 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4838 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4839 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4842 move[3]>='0' && move[3]<='9' &&
4843 move[2]>='a' && move[2]<='x' ) {
4845 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4846 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4849 move[0]>='a' && move[0]<='x' &&
4850 move[3]>='0' && move[3]<='9' &&
4851 move[2]>='a' && move[2]<='x' ) {
4852 /* output move, normal -> Shogi */
4853 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4854 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4855 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4856 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4857 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4859 if (appData.debugMode) {
4860 fprintf(debugFP, " out = '%s'\n", move);
4864 char yy_textstr[8000];
4866 /* Parser for moves from gnuchess, ICS, or user typein box */
4868 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4871 ChessMove *moveType;
4872 int *fromX, *fromY, *toX, *toY;
4875 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4877 switch (*moveType) {
4878 case WhitePromotion:
4879 case BlackPromotion:
4880 case WhiteNonPromotion:
4881 case BlackNonPromotion:
4883 case WhiteCapturesEnPassant:
4884 case BlackCapturesEnPassant:
4885 case WhiteKingSideCastle:
4886 case WhiteQueenSideCastle:
4887 case BlackKingSideCastle:
4888 case BlackQueenSideCastle:
4889 case WhiteKingSideCastleWild:
4890 case WhiteQueenSideCastleWild:
4891 case BlackKingSideCastleWild:
4892 case BlackQueenSideCastleWild:
4893 /* Code added by Tord: */
4894 case WhiteHSideCastleFR:
4895 case WhiteASideCastleFR:
4896 case BlackHSideCastleFR:
4897 case BlackASideCastleFR:
4898 /* End of code added by Tord */
4899 case IllegalMove: /* bug or odd chess variant */
4900 *fromX = currentMoveString[0] - AAA;
4901 *fromY = currentMoveString[1] - ONE;
4902 *toX = currentMoveString[2] - AAA;
4903 *toY = currentMoveString[3] - ONE;
4904 *promoChar = currentMoveString[4];
4905 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4906 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4907 if (appData.debugMode) {
4908 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4910 *fromX = *fromY = *toX = *toY = 0;
4913 if (appData.testLegality) {
4914 return (*moveType != IllegalMove);
4916 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4917 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4922 *fromX = *moveType == WhiteDrop ?
4923 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4924 (int) CharToPiece(ToLower(currentMoveString[0]));
4926 *toX = currentMoveString[2] - AAA;
4927 *toY = currentMoveString[3] - ONE;
4928 *promoChar = NULLCHAR;
4932 case ImpossibleMove:
4942 if (appData.debugMode) {
4943 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4946 *fromX = *fromY = *toX = *toY = 0;
4947 *promoChar = NULLCHAR;
4954 ParsePV(char *pv, Boolean storeComments)
4955 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4956 int fromX, fromY, toX, toY; char promoChar;
4961 endPV = forwardMostMove;
4963 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4964 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4965 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4966 if(appData.debugMode){
4967 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);
4969 if(!valid && nr == 0 &&
4970 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4971 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4972 // Hande case where played move is different from leading PV move
4973 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4974 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4975 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4976 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4977 endPV += 2; // if position different, keep this
4978 moveList[endPV-1][0] = fromX + AAA;
4979 moveList[endPV-1][1] = fromY + ONE;
4980 moveList[endPV-1][2] = toX + AAA;
4981 moveList[endPV-1][3] = toY + ONE;
4982 parseList[endPV-1][0] = NULLCHAR;
4983 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4986 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4987 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4988 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4989 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4990 valid++; // allow comments in PV
4994 if(endPV+1 > framePtr) break; // no space, truncate
4997 CopyBoard(boards[endPV], boards[endPV-1]);
4998 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4999 moveList[endPV-1][0] = fromX + AAA;
5000 moveList[endPV-1][1] = fromY + ONE;
5001 moveList[endPV-1][2] = toX + AAA;
5002 moveList[endPV-1][3] = toY + ONE;
5003 moveList[endPV-1][4] = promoChar;
5004 moveList[endPV-1][5] = NULLCHAR;
5005 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5007 CoordsToAlgebraic(boards[endPV - 1],
5008 PosFlags(endPV - 1),
5009 fromY, fromX, toY, toX, promoChar,
5010 parseList[endPV - 1]);
5012 parseList[endPV-1][0] = NULLCHAR;
5014 currentMove = endPV;
5015 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5016 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5017 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5018 DrawPosition(TRUE, boards[currentMove]);
5021 static int lastX, lastY;
5024 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5029 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5030 lastX = x; lastY = y;
5031 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5033 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5034 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5036 do{ while(buf[index] && buf[index] != '\n') index++;
5037 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5039 ParsePV(buf+startPV, FALSE);
5040 *start = startPV; *end = index-1;
5045 LoadPV(int x, int y)
5046 { // called on right mouse click to load PV
5047 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5048 lastX = x; lastY = y;
5049 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5056 if(endPV < 0) return;
5058 currentMove = forwardMostMove;
5059 ClearPremoveHighlights();
5060 DrawPosition(TRUE, boards[currentMove]);
5064 MovePV(int x, int y, int h)
5065 { // step through PV based on mouse coordinates (called on mouse move)
5066 int margin = h>>3, step = 0;
5068 if(endPV < 0) return;
5069 // we must somehow check if right button is still down (might be released off board!)
5070 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5071 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5072 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5074 lastX = x; lastY = y;
5075 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5076 currentMove += step;
5077 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5078 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5079 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5080 DrawPosition(FALSE, boards[currentMove]);
5084 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5085 // All positions will have equal probability, but the current method will not provide a unique
5086 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5092 int piecesLeft[(int)BlackPawn];
5093 int seed, nrOfShuffles;
5095 void GetPositionNumber()
5096 { // sets global variable seed
5099 seed = appData.defaultFrcPosition;
5100 if(seed < 0) { // randomize based on time for negative FRC position numbers
5101 for(i=0; i<50; i++) seed += random();
5102 seed = random() ^ random() >> 8 ^ random() << 8;
5103 if(seed<0) seed = -seed;
5107 int put(Board board, int pieceType, int rank, int n, int shade)
5108 // put the piece on the (n-1)-th empty squares of the given shade
5112 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5113 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5114 board[rank][i] = (ChessSquare) pieceType;
5115 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5117 piecesLeft[pieceType]--;
5125 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5126 // calculate where the next piece goes, (any empty square), and put it there
5130 i = seed % squaresLeft[shade];
5131 nrOfShuffles *= squaresLeft[shade];
5132 seed /= squaresLeft[shade];
5133 put(board, pieceType, rank, i, shade);
5136 void AddTwoPieces(Board board, int pieceType, int rank)
5137 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5139 int i, n=squaresLeft[ANY], j=n-1, k;
5141 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5142 i = seed % k; // pick one
5145 while(i >= j) i -= j--;
5146 j = n - 1 - j; i += j;
5147 put(board, pieceType, rank, j, ANY);
5148 put(board, pieceType, rank, i, ANY);
5151 void SetUpShuffle(Board board, int number)
5155 GetPositionNumber(); nrOfShuffles = 1;
5157 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5158 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5159 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5161 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5163 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5164 p = (int) board[0][i];
5165 if(p < (int) BlackPawn) piecesLeft[p] ++;
5166 board[0][i] = EmptySquare;
5169 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5170 // shuffles restricted to allow normal castling put KRR first
5171 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5172 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5173 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5174 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5175 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5176 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5177 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5178 put(board, WhiteRook, 0, 0, ANY);
5179 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5182 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5183 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5184 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5185 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5186 while(piecesLeft[p] >= 2) {
5187 AddOnePiece(board, p, 0, LITE);
5188 AddOnePiece(board, p, 0, DARK);
5190 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5193 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5194 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5195 // but we leave King and Rooks for last, to possibly obey FRC restriction
5196 if(p == (int)WhiteRook) continue;
5197 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5198 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5201 // now everything is placed, except perhaps King (Unicorn) and Rooks
5203 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5204 // Last King gets castling rights
5205 while(piecesLeft[(int)WhiteUnicorn]) {
5206 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5207 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5210 while(piecesLeft[(int)WhiteKing]) {
5211 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5212 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5217 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5218 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5221 // Only Rooks can be left; simply place them all
5222 while(piecesLeft[(int)WhiteRook]) {
5223 i = put(board, WhiteRook, 0, 0, ANY);
5224 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5227 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5229 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5232 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5233 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5236 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5239 int SetCharTable( char *table, const char * map )
5240 /* [HGM] moved here from winboard.c because of its general usefulness */
5241 /* Basically a safe strcpy that uses the last character as King */
5243 int result = FALSE; int NrPieces;
5245 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5246 && NrPieces >= 12 && !(NrPieces&1)) {
5247 int i; /* [HGM] Accept even length from 12 to 34 */
5249 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5250 for( i=0; i<NrPieces/2-1; i++ ) {
5252 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5254 table[(int) WhiteKing] = map[NrPieces/2-1];
5255 table[(int) BlackKing] = map[NrPieces-1];
5263 void Prelude(Board board)
5264 { // [HGM] superchess: random selection of exo-pieces
5265 int i, j, k; ChessSquare p;
5266 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5268 GetPositionNumber(); // use FRC position number
5270 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5271 SetCharTable(pieceToChar, appData.pieceToCharTable);
5272 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5273 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5276 j = seed%4; seed /= 4;
5277 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5278 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5279 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5280 j = seed%3 + (seed%3 >= j); seed /= 3;
5281 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5282 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5283 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5284 j = seed%3; seed /= 3;
5285 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5286 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5287 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5288 j = seed%2 + (seed%2 >= j); seed /= 2;
5289 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5290 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5291 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5292 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5293 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5294 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5295 put(board, exoPieces[0], 0, 0, ANY);
5296 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5300 InitPosition(redraw)
5303 ChessSquare (* pieces)[BOARD_FILES];
5304 int i, j, pawnRow, overrule,
5305 oldx = gameInfo.boardWidth,
5306 oldy = gameInfo.boardHeight,
5307 oldh = gameInfo.holdingsWidth;
5310 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5312 /* [AS] Initialize pv info list [HGM] and game status */
5314 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5315 pvInfoList[i].depth = 0;
5316 boards[i][EP_STATUS] = EP_NONE;
5317 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5320 initialRulePlies = 0; /* 50-move counter start */
5322 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5323 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5327 /* [HGM] logic here is completely changed. In stead of full positions */
5328 /* the initialized data only consist of the two backranks. The switch */
5329 /* selects which one we will use, which is than copied to the Board */
5330 /* initialPosition, which for the rest is initialized by Pawns and */
5331 /* empty squares. This initial position is then copied to boards[0], */
5332 /* possibly after shuffling, so that it remains available. */
5334 gameInfo.holdingsWidth = 0; /* default board sizes */
5335 gameInfo.boardWidth = 8;
5336 gameInfo.boardHeight = 8;
5337 gameInfo.holdingsSize = 0;
5338 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5339 for(i=0; i<BOARD_FILES-2; i++)
5340 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5341 initialPosition[EP_STATUS] = EP_NONE;
5342 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5343 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5344 SetCharTable(pieceNickName, appData.pieceNickNames);
5345 else SetCharTable(pieceNickName, "............");
5348 switch (gameInfo.variant) {
5349 case VariantFischeRandom:
5350 shuffleOpenings = TRUE;
5353 case VariantShatranj:
5354 pieces = ShatranjArray;
5355 nrCastlingRights = 0;
5356 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5359 pieces = makrukArray;
5360 nrCastlingRights = 0;
5361 startedFromSetupPosition = TRUE;
5362 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5364 case VariantTwoKings:
5365 pieces = twoKingsArray;
5367 case VariantCapaRandom:
5368 shuffleOpenings = TRUE;
5369 case VariantCapablanca:
5370 pieces = CapablancaArray;
5371 gameInfo.boardWidth = 10;
5372 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5375 pieces = GothicArray;
5376 gameInfo.boardWidth = 10;
5377 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5380 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5381 gameInfo.holdingsSize = 7;
5384 pieces = JanusArray;
5385 gameInfo.boardWidth = 10;
5386 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5387 nrCastlingRights = 6;
5388 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5389 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5390 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5391 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5392 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5393 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5396 pieces = FalconArray;
5397 gameInfo.boardWidth = 10;
5398 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5400 case VariantXiangqi:
5401 pieces = XiangqiArray;
5402 gameInfo.boardWidth = 9;
5403 gameInfo.boardHeight = 10;
5404 nrCastlingRights = 0;
5405 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5408 pieces = ShogiArray;
5409 gameInfo.boardWidth = 9;
5410 gameInfo.boardHeight = 9;
5411 gameInfo.holdingsSize = 7;
5412 nrCastlingRights = 0;
5413 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5415 case VariantCourier:
5416 pieces = CourierArray;
5417 gameInfo.boardWidth = 12;
5418 nrCastlingRights = 0;
5419 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5421 case VariantKnightmate:
5422 pieces = KnightmateArray;
5423 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5425 case VariantSpartan:
5426 pieces = SpartanArray;
5427 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5430 pieces = fairyArray;
5431 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5434 pieces = GreatArray;
5435 gameInfo.boardWidth = 10;
5436 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5437 gameInfo.holdingsSize = 8;
5441 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5442 gameInfo.holdingsSize = 8;
5443 startedFromSetupPosition = TRUE;
5445 case VariantCrazyhouse:
5446 case VariantBughouse:
5448 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5449 gameInfo.holdingsSize = 5;
5451 case VariantWildCastle:
5453 /* !!?shuffle with kings guaranteed to be on d or e file */
5454 shuffleOpenings = 1;
5456 case VariantNoCastle:
5458 nrCastlingRights = 0;
5459 /* !!?unconstrained back-rank shuffle */
5460 shuffleOpenings = 1;
5465 if(appData.NrFiles >= 0) {
5466 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5467 gameInfo.boardWidth = appData.NrFiles;
5469 if(appData.NrRanks >= 0) {
5470 gameInfo.boardHeight = appData.NrRanks;
5472 if(appData.holdingsSize >= 0) {
5473 i = appData.holdingsSize;
5474 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5475 gameInfo.holdingsSize = i;
5477 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5478 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5479 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5481 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5482 if(pawnRow < 1) pawnRow = 1;
5483 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5485 /* User pieceToChar list overrules defaults */
5486 if(appData.pieceToCharTable != NULL)
5487 SetCharTable(pieceToChar, appData.pieceToCharTable);
5489 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5491 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5492 s = (ChessSquare) 0; /* account holding counts in guard band */
5493 for( i=0; i<BOARD_HEIGHT; i++ )
5494 initialPosition[i][j] = s;
5496 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5497 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5498 initialPosition[pawnRow][j] = WhitePawn;
5499 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5500 if(gameInfo.variant == VariantXiangqi) {
5502 initialPosition[pawnRow][j] =
5503 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5504 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5505 initialPosition[2][j] = WhiteCannon;
5506 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5510 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5512 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5515 initialPosition[1][j] = WhiteBishop;
5516 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5518 initialPosition[1][j] = WhiteRook;
5519 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5522 if( nrCastlingRights == -1) {
5523 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5524 /* This sets default castling rights from none to normal corners */
5525 /* Variants with other castling rights must set them themselves above */
5526 nrCastlingRights = 6;
5528 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5529 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5530 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5531 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5532 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5533 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5536 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5537 if(gameInfo.variant == VariantGreat) { // promotion commoners
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5539 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5541 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5543 if( gameInfo.variant == VariantSChess ) {
5544 initialPosition[1][0] = BlackMarshall;
5545 initialPosition[2][0] = BlackAngel;
5546 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5547 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5548 initialPosition[1][1] = initialPosition[2][1] =
5549 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5551 if (appData.debugMode) {
5552 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5554 if(shuffleOpenings) {
5555 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5556 startedFromSetupPosition = TRUE;
5558 if(startedFromPositionFile) {
5559 /* [HGM] loadPos: use PositionFile for every new game */
5560 CopyBoard(initialPosition, filePosition);
5561 for(i=0; i<nrCastlingRights; i++)
5562 initialRights[i] = filePosition[CASTLING][i];
5563 startedFromSetupPosition = TRUE;
5566 CopyBoard(boards[0], initialPosition);
5568 if(oldx != gameInfo.boardWidth ||
5569 oldy != gameInfo.boardHeight ||
5570 oldv != gameInfo.variant ||
5571 oldh != gameInfo.holdingsWidth
5573 InitDrawingSizes(-2 ,0);
5575 oldv = gameInfo.variant;
5577 DrawPosition(TRUE, boards[currentMove]);
5581 SendBoard(cps, moveNum)
5582 ChessProgramState *cps;
5585 char message[MSG_SIZ];
5587 if (cps->useSetboard) {
5588 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5589 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5590 SendToProgram(message, cps);
5596 /* Kludge to set black to move, avoiding the troublesome and now
5597 * deprecated "black" command.
5599 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5600 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5602 SendToProgram("edit\n", cps);
5603 SendToProgram("#\n", cps);
5604 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5605 bp = &boards[moveNum][i][BOARD_LEFT];
5606 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5607 if ((int) *bp < (int) BlackPawn) {
5608 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5610 if(message[0] == '+' || message[0] == '~') {
5611 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5612 PieceToChar((ChessSquare)(DEMOTED *bp)),
5615 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5616 message[1] = BOARD_RGHT - 1 - j + '1';
5617 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5619 SendToProgram(message, cps);
5624 SendToProgram("c\n", cps);
5625 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5626 bp = &boards[moveNum][i][BOARD_LEFT];
5627 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5628 if (((int) *bp != (int) EmptySquare)
5629 && ((int) *bp >= (int) BlackPawn)) {
5630 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5632 if(message[0] == '+' || message[0] == '~') {
5633 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5634 PieceToChar((ChessSquare)(DEMOTED *bp)),
5637 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5638 message[1] = BOARD_RGHT - 1 - j + '1';
5639 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5641 SendToProgram(message, cps);
5646 SendToProgram(".\n", cps);
5648 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5651 static int autoQueen; // [HGM] oneclick
5654 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5656 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5657 /* [HGM] add Shogi promotions */
5658 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5663 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5664 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5666 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5667 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5670 piece = boards[currentMove][fromY][fromX];
5671 if(gameInfo.variant == VariantShogi) {
5672 promotionZoneSize = BOARD_HEIGHT/3;
5673 highestPromotingPiece = (int)WhiteFerz;
5674 } else if(gameInfo.variant == VariantMakruk) {
5675 promotionZoneSize = 3;
5678 // Treat Lance as Pawn when it is not representing Amazon
5679 if(gameInfo.variant != VariantSuper) {
5680 if(piece == WhiteLance) piece = WhitePawn; else
5681 if(piece == BlackLance) piece = BlackPawn;
5684 // next weed out all moves that do not touch the promotion zone at all
5685 if((int)piece >= BlackPawn) {
5686 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5688 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5690 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5691 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5694 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5696 // weed out mandatory Shogi promotions
5697 if(gameInfo.variant == VariantShogi) {
5698 if(piece >= BlackPawn) {
5699 if(toY == 0 && piece == BlackPawn ||
5700 toY == 0 && piece == BlackQueen ||
5701 toY <= 1 && piece == BlackKnight) {
5706 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5707 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5708 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5715 // weed out obviously illegal Pawn moves
5716 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5717 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5718 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5719 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5720 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5721 // note we are not allowed to test for valid (non-)capture, due to premove
5724 // we either have a choice what to promote to, or (in Shogi) whether to promote
5725 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5726 *promoChoice = PieceToChar(BlackFerz); // no choice
5729 // no sense asking what we must promote to if it is going to explode...
5730 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5731 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5734 if(autoQueen) { // predetermined
5735 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5736 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5737 else *promoChoice = PieceToChar(BlackQueen);
5741 // suppress promotion popup on illegal moves that are not premoves
5742 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5743 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5744 if(appData.testLegality && !premove) {
5745 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5746 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5747 if(moveType != WhitePromotion && moveType != BlackPromotion)
5755 InPalace(row, column)
5757 { /* [HGM] for Xiangqi */
5758 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5759 column < (BOARD_WIDTH + 4)/2 &&
5760 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5765 PieceForSquare (x, y)
5769 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5772 return boards[currentMove][y][x];
5776 OKToStartUserMove(x, y)
5779 ChessSquare from_piece;
5782 if (matchMode) return FALSE;
5783 if (gameMode == EditPosition) return TRUE;
5785 if (x >= 0 && y >= 0)
5786 from_piece = boards[currentMove][y][x];
5788 from_piece = EmptySquare;
5790 if (from_piece == EmptySquare) return FALSE;
5792 white_piece = (int)from_piece >= (int)WhitePawn &&
5793 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5796 case PlayFromGameFile:
5798 case TwoMachinesPlay:
5806 case MachinePlaysWhite:
5807 case IcsPlayingBlack:
5808 if (appData.zippyPlay) return FALSE;
5810 DisplayMoveError(_("You are playing Black"));
5815 case MachinePlaysBlack:
5816 case IcsPlayingWhite:
5817 if (appData.zippyPlay) return FALSE;
5819 DisplayMoveError(_("You are playing White"));
5825 if (!white_piece && WhiteOnMove(currentMove)) {
5826 DisplayMoveError(_("It is White's turn"));
5829 if (white_piece && !WhiteOnMove(currentMove)) {
5830 DisplayMoveError(_("It is Black's turn"));
5833 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5834 /* Editing correspondence game history */
5835 /* Could disallow this or prompt for confirmation */
5840 case BeginningOfGame:
5841 if (appData.icsActive) return FALSE;
5842 if (!appData.noChessProgram) {
5844 DisplayMoveError(_("You are playing White"));
5851 if (!white_piece && WhiteOnMove(currentMove)) {
5852 DisplayMoveError(_("It is White's turn"));
5855 if (white_piece && !WhiteOnMove(currentMove)) {
5856 DisplayMoveError(_("It is Black's turn"));
5865 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5866 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5867 && gameMode != AnalyzeFile && gameMode != Training) {
5868 DisplayMoveError(_("Displayed position is not current"));
5875 OnlyMove(int *x, int *y, Boolean captures) {
5876 DisambiguateClosure cl;
5877 if (appData.zippyPlay) return FALSE;
5879 case MachinePlaysBlack:
5880 case IcsPlayingWhite:
5881 case BeginningOfGame:
5882 if(!WhiteOnMove(currentMove)) return FALSE;
5884 case MachinePlaysWhite:
5885 case IcsPlayingBlack:
5886 if(WhiteOnMove(currentMove)) return FALSE;
5893 cl.pieceIn = EmptySquare;
5898 cl.promoCharIn = NULLCHAR;
5899 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5900 if( cl.kind == NormalMove ||
5901 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5902 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5903 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5910 if(cl.kind != ImpossibleMove) return FALSE;
5911 cl.pieceIn = EmptySquare;
5916 cl.promoCharIn = NULLCHAR;
5917 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5918 if( cl.kind == NormalMove ||
5919 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5920 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5921 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5926 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5932 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5933 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5934 int lastLoadGameUseList = FALSE;
5935 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5936 ChessMove lastLoadGameStart = EndOfFile;
5939 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5940 int fromX, fromY, toX, toY;
5944 ChessSquare pdown, pup;
5946 /* Check if the user is playing in turn. This is complicated because we
5947 let the user "pick up" a piece before it is his turn. So the piece he
5948 tried to pick up may have been captured by the time he puts it down!
5949 Therefore we use the color the user is supposed to be playing in this
5950 test, not the color of the piece that is currently on the starting
5951 square---except in EditGame mode, where the user is playing both
5952 sides; fortunately there the capture race can't happen. (It can
5953 now happen in IcsExamining mode, but that's just too bad. The user
5954 will get a somewhat confusing message in that case.)
5958 case PlayFromGameFile:
5960 case TwoMachinesPlay:
5964 /* We switched into a game mode where moves are not accepted,
5965 perhaps while the mouse button was down. */
5968 case MachinePlaysWhite:
5969 /* User is moving for Black */
5970 if (WhiteOnMove(currentMove)) {
5971 DisplayMoveError(_("It is White's turn"));
5976 case MachinePlaysBlack:
5977 /* User is moving for White */
5978 if (!WhiteOnMove(currentMove)) {
5979 DisplayMoveError(_("It is Black's turn"));
5986 case BeginningOfGame:
5989 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
5990 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5991 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5992 /* User is moving for Black */
5993 if (WhiteOnMove(currentMove)) {
5994 DisplayMoveError(_("It is White's turn"));
5998 /* User is moving for White */
5999 if (!WhiteOnMove(currentMove)) {
6000 DisplayMoveError(_("It is Black's turn"));
6006 case IcsPlayingBlack:
6007 /* User is moving for Black */
6008 if (WhiteOnMove(currentMove)) {
6009 if (!appData.premove) {
6010 DisplayMoveError(_("It is White's turn"));
6011 } else if (toX >= 0 && toY >= 0) {
6014 premoveFromX = fromX;
6015 premoveFromY = fromY;
6016 premovePromoChar = promoChar;
6018 if (appData.debugMode)
6019 fprintf(debugFP, "Got premove: fromX %d,"
6020 "fromY %d, toX %d, toY %d\n",
6021 fromX, fromY, toX, toY);
6027 case IcsPlayingWhite:
6028 /* User is moving for White */
6029 if (!WhiteOnMove(currentMove)) {
6030 if (!appData.premove) {
6031 DisplayMoveError(_("It is Black's turn"));
6032 } else if (toX >= 0 && toY >= 0) {
6035 premoveFromX = fromX;
6036 premoveFromY = fromY;
6037 premovePromoChar = promoChar;
6039 if (appData.debugMode)
6040 fprintf(debugFP, "Got premove: fromX %d,"
6041 "fromY %d, toX %d, toY %d\n",
6042 fromX, fromY, toX, toY);
6052 /* EditPosition, empty square, or different color piece;
6053 click-click move is possible */
6054 if (toX == -2 || toY == -2) {
6055 boards[0][fromY][fromX] = EmptySquare;
6056 DrawPosition(FALSE, boards[currentMove]);
6058 } else if (toX >= 0 && toY >= 0) {
6059 boards[0][toY][toX] = boards[0][fromY][fromX];
6060 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6061 if(boards[0][fromY][0] != EmptySquare) {
6062 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6063 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6066 if(fromX == BOARD_RGHT+1) {
6067 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6068 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6069 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6072 boards[0][fromY][fromX] = EmptySquare;
6073 DrawPosition(FALSE, boards[currentMove]);
6079 if(toX < 0 || toY < 0) return;
6080 pdown = boards[currentMove][fromY][fromX];
6081 pup = boards[currentMove][toY][toX];
6083 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6084 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6085 if( pup != EmptySquare ) return;
6086 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6087 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6088 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6089 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6090 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6091 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6092 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6096 /* [HGM] always test for legality, to get promotion info */
6097 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6098 fromY, fromX, toY, toX, promoChar);
6099 /* [HGM] but possibly ignore an IllegalMove result */
6100 if (appData.testLegality) {
6101 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6102 DisplayMoveError(_("Illegal move"));
6107 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6110 /* Common tail of UserMoveEvent and DropMenuEvent */
6112 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6114 int fromX, fromY, toX, toY;
6115 /*char*/int promoChar;
6119 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6120 // [HGM] superchess: suppress promotions to non-available piece
6121 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6122 if(WhiteOnMove(currentMove)) {
6123 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6125 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6129 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6130 move type in caller when we know the move is a legal promotion */
6131 if(moveType == NormalMove && promoChar)
6132 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6134 /* [HGM] <popupFix> The following if has been moved here from
6135 UserMoveEvent(). Because it seemed to belong here (why not allow
6136 piece drops in training games?), and because it can only be
6137 performed after it is known to what we promote. */
6138 if (gameMode == Training) {
6139 /* compare the move played on the board to the next move in the
6140 * game. If they match, display the move and the opponent's response.
6141 * If they don't match, display an error message.
6145 CopyBoard(testBoard, boards[currentMove]);
6146 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6148 if (CompareBoards(testBoard, boards[currentMove+1])) {
6149 ForwardInner(currentMove+1);
6151 /* Autoplay the opponent's response.
6152 * if appData.animate was TRUE when Training mode was entered,
6153 * the response will be animated.
6155 saveAnimate = appData.animate;
6156 appData.animate = animateTraining;
6157 ForwardInner(currentMove+1);
6158 appData.animate = saveAnimate;
6160 /* check for the end of the game */
6161 if (currentMove >= forwardMostMove) {
6162 gameMode = PlayFromGameFile;
6164 SetTrainingModeOff();
6165 DisplayInformation(_("End of game"));
6168 DisplayError(_("Incorrect move"), 0);
6173 /* Ok, now we know that the move is good, so we can kill
6174 the previous line in Analysis Mode */
6175 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6176 && currentMove < forwardMostMove) {
6177 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6178 else forwardMostMove = currentMove;
6181 /* If we need the chess program but it's dead, restart it */
6182 ResurrectChessProgram();
6184 /* A user move restarts a paused game*/
6188 thinkOutput[0] = NULLCHAR;
6190 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6192 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6193 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6197 if (gameMode == BeginningOfGame) {
6198 if (appData.noChessProgram) {
6199 gameMode = EditGame;
6203 gameMode = MachinePlaysBlack;
6206 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6208 if (first.sendName) {
6209 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6210 SendToProgram(buf, &first);
6217 /* Relay move to ICS or chess engine */
6218 if (appData.icsActive) {
6219 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6220 gameMode == IcsExamining) {
6221 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6222 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6224 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6226 // also send plain move, in case ICS does not understand atomic claims
6227 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6231 if (first.sendTime && (gameMode == BeginningOfGame ||
6232 gameMode == MachinePlaysWhite ||
6233 gameMode == MachinePlaysBlack)) {
6234 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6236 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6237 // [HGM] book: if program might be playing, let it use book
6238 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6239 first.maybeThinking = TRUE;
6240 } else SendMoveToProgram(forwardMostMove-1, &first);
6241 if (currentMove == cmailOldMove + 1) {
6242 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6246 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6250 if(appData.testLegality)
6251 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6257 if (WhiteOnMove(currentMove)) {
6258 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6260 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6264 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6269 case MachinePlaysBlack:
6270 case MachinePlaysWhite:
6271 /* disable certain menu options while machine is thinking */
6272 SetMachineThinkingEnables();
6279 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6281 if(bookHit) { // [HGM] book: simulate book reply
6282 static char bookMove[MSG_SIZ]; // a bit generous?
6284 programStats.nodes = programStats.depth = programStats.time =
6285 programStats.score = programStats.got_only_move = 0;
6286 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6288 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6289 strcat(bookMove, bookHit);
6290 HandleMachineMove(bookMove, &first);
6296 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6303 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6304 Markers *m = (Markers *) closure;
6305 if(rf == fromY && ff == fromX)
6306 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6307 || kind == WhiteCapturesEnPassant
6308 || kind == BlackCapturesEnPassant);
6309 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6313 MarkTargetSquares(int clear)
6316 if(!appData.markers || !appData.highlightDragging ||
6317 !appData.testLegality || gameMode == EditPosition) return;
6319 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6322 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6323 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6324 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6326 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6329 DrawPosition(TRUE, NULL);
6333 Explode(Board board, int fromX, int fromY, int toX, int toY)
6335 if(gameInfo.variant == VariantAtomic &&
6336 (board[toY][toX] != EmptySquare || // capture?
6337 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6338 board[fromY][fromX] == BlackPawn )
6340 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6346 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6348 void LeftClick(ClickType clickType, int xPix, int yPix)
6351 Boolean saveAnimate;
6352 static int second = 0, promotionChoice = 0, dragging = 0;
6353 char promoChoice = NULLCHAR;
6355 if(appData.seekGraph && appData.icsActive && loggedOn &&
6356 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6357 SeekGraphClick(clickType, xPix, yPix, 0);
6361 if (clickType == Press) ErrorPopDown();
6362 MarkTargetSquares(1);
6364 x = EventToSquare(xPix, BOARD_WIDTH);
6365 y = EventToSquare(yPix, BOARD_HEIGHT);
6366 if (!flipView && y >= 0) {
6367 y = BOARD_HEIGHT - 1 - y;
6369 if (flipView && x >= 0) {
6370 x = BOARD_WIDTH - 1 - x;
6373 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6374 if(clickType == Release) return; // ignore upclick of click-click destination
6375 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6376 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6377 if(gameInfo.holdingsWidth &&
6378 (WhiteOnMove(currentMove)
6379 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6380 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6381 // click in right holdings, for determining promotion piece
6382 ChessSquare p = boards[currentMove][y][x];
6383 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6384 if(p != EmptySquare) {
6385 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6390 DrawPosition(FALSE, boards[currentMove]);
6394 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6395 if(clickType == Press
6396 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6397 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6398 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6401 autoQueen = appData.alwaysPromoteToQueen;
6404 gatingPiece = EmptySquare;
6405 if (clickType != Press) {
6406 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6407 DragPieceEnd(xPix, yPix); dragging = 0;
6408 DrawPosition(FALSE, NULL);
6412 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6414 if (OKToStartUserMove(x, y)) {
6418 MarkTargetSquares(0);
6419 DragPieceBegin(xPix, yPix); dragging = 1;
6420 if (appData.highlightDragging) {
6421 SetHighlights(x, y, -1, -1);
6429 if (clickType == Press && gameMode != EditPosition) {
6434 // ignore off-board to clicks
6435 if(y < 0 || x < 0) return;
6437 /* Check if clicking again on the same color piece */
6438 fromP = boards[currentMove][fromY][fromX];
6439 toP = boards[currentMove][y][x];
6440 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6441 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6442 WhitePawn <= toP && toP <= WhiteKing &&
6443 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6444 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6445 (BlackPawn <= fromP && fromP <= BlackKing &&
6446 BlackPawn <= toP && toP <= BlackKing &&
6447 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6448 !(fromP == BlackKing && toP == BlackRook && frc))) {
6449 /* Clicked again on same color piece -- changed his mind */
6450 second = (x == fromX && y == fromY);
6451 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6452 if (appData.highlightDragging) {
6453 SetHighlights(x, y, -1, -1);
6457 if (OKToStartUserMove(x, y)) {
6458 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6459 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6460 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6461 gatingPiece = boards[currentMove][fromY][fromX];
6462 else gatingPiece = EmptySquare;
6464 fromY = y; dragging = 1;
6465 MarkTargetSquares(0);
6466 DragPieceBegin(xPix, yPix);
6469 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6472 // ignore clicks on holdings
6473 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6476 if (clickType == Release && x == fromX && y == fromY) {
6477 DragPieceEnd(xPix, yPix); dragging = 0;
6478 if (appData.animateDragging) {
6479 /* Undo animation damage if any */
6480 DrawPosition(FALSE, NULL);
6483 /* Second up/down in same square; just abort move */
6486 gatingPiece = EmptySquare;
6489 ClearPremoveHighlights();
6491 /* First upclick in same square; start click-click mode */
6492 SetHighlights(x, y, -1, -1);
6497 /* we now have a different from- and (possibly off-board) to-square */
6498 /* Completed move */
6501 saveAnimate = appData.animate;
6502 if (clickType == Press) {
6503 /* Finish clickclick move */
6504 if (appData.animate || appData.highlightLastMove) {
6505 SetHighlights(fromX, fromY, toX, toY);
6510 /* Finish drag move */
6511 if (appData.highlightLastMove) {
6512 SetHighlights(fromX, fromY, toX, toY);
6516 DragPieceEnd(xPix, yPix); dragging = 0;
6517 /* Don't animate move and drag both */
6518 appData.animate = FALSE;
6521 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6522 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6523 ChessSquare piece = boards[currentMove][fromY][fromX];
6524 if(gameMode == EditPosition && piece != EmptySquare &&
6525 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6528 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6529 n = PieceToNumber(piece - (int)BlackPawn);
6530 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6531 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6532 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6534 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6535 n = PieceToNumber(piece);
6536 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6537 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6538 boards[currentMove][n][BOARD_WIDTH-2]++;
6540 boards[currentMove][fromY][fromX] = EmptySquare;
6544 DrawPosition(TRUE, boards[currentMove]);
6548 // off-board moves should not be highlighted
6549 if(x < 0 || y < 0) ClearHighlights();
6551 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6553 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6554 SetHighlights(fromX, fromY, toX, toY);
6555 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6556 // [HGM] super: promotion to captured piece selected from holdings
6557 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6558 promotionChoice = TRUE;
6559 // kludge follows to temporarily execute move on display, without promoting yet
6560 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6561 boards[currentMove][toY][toX] = p;
6562 DrawPosition(FALSE, boards[currentMove]);
6563 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6564 boards[currentMove][toY][toX] = q;
6565 DisplayMessage("Click in holdings to choose piece", "");
6570 int oldMove = currentMove;
6571 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6572 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6573 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6574 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6575 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6576 DrawPosition(TRUE, boards[currentMove]);
6579 appData.animate = saveAnimate;
6580 if (appData.animate || appData.animateDragging) {
6581 /* Undo animation damage if needed */
6582 DrawPosition(FALSE, NULL);
6586 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6587 { // front-end-free part taken out of PieceMenuPopup
6588 int whichMenu; int xSqr, ySqr;
6590 if(seekGraphUp) { // [HGM] seekgraph
6591 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6592 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6596 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6597 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6598 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6599 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6600 if(action == Press) {
6601 originalFlip = flipView;
6602 flipView = !flipView; // temporarily flip board to see game from partners perspective
6603 DrawPosition(TRUE, partnerBoard);
6604 DisplayMessage(partnerStatus, "");
6606 } else if(action == Release) {
6607 flipView = originalFlip;
6608 DrawPosition(TRUE, boards[currentMove]);
6614 xSqr = EventToSquare(x, BOARD_WIDTH);
6615 ySqr = EventToSquare(y, BOARD_HEIGHT);
6616 if (action == Release) UnLoadPV(); // [HGM] pv
6617 if (action != Press) return -2; // return code to be ignored
6620 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6622 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6623 if (xSqr < 0 || ySqr < 0) return -1;
\r
6624 whichMenu = 0; // edit-position menu
6627 if(!appData.icsEngineAnalyze) return -1;
6628 case IcsPlayingWhite:
6629 case IcsPlayingBlack:
6630 if(!appData.zippyPlay) goto noZip;
6633 case MachinePlaysWhite:
6634 case MachinePlaysBlack:
6635 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6636 if (!appData.dropMenu) {
6638 return 2; // flag front-end to grab mouse events
6640 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6641 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6644 if (xSqr < 0 || ySqr < 0) return -1;
6645 if (!appData.dropMenu || appData.testLegality &&
6646 gameInfo.variant != VariantBughouse &&
6647 gameInfo.variant != VariantCrazyhouse) return -1;
6648 whichMenu = 1; // drop menu
6654 if (((*fromX = xSqr) < 0) ||
6655 ((*fromY = ySqr) < 0)) {
6656 *fromX = *fromY = -1;
6660 *fromX = BOARD_WIDTH - 1 - *fromX;
6662 *fromY = BOARD_HEIGHT - 1 - *fromY;
6667 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6669 // char * hint = lastHint;
6670 FrontEndProgramStats stats;
6672 stats.which = cps == &first ? 0 : 1;
6673 stats.depth = cpstats->depth;
6674 stats.nodes = cpstats->nodes;
6675 stats.score = cpstats->score;
6676 stats.time = cpstats->time;
6677 stats.pv = cpstats->movelist;
6678 stats.hint = lastHint;
6679 stats.an_move_index = 0;
6680 stats.an_move_count = 0;
6682 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6683 stats.hint = cpstats->move_name;
6684 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6685 stats.an_move_count = cpstats->nr_moves;
6688 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
6690 SetProgramStats( &stats );
6694 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6695 { // count all piece types
6697 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6698 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6699 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6702 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6703 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6704 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6705 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6706 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6707 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6712 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6714 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6715 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6717 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6718 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6719 if(myPawns == 2 && nMine == 3) // KPP
6720 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6721 if(myPawns == 1 && nMine == 2) // KP
6722 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6723 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6724 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6725 if(myPawns) return FALSE;
6726 if(pCnt[WhiteRook+side])
6727 return pCnt[BlackRook-side] ||
6728 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6729 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6730 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6731 if(pCnt[WhiteCannon+side]) {
6732 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6733 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6735 if(pCnt[WhiteKnight+side])
6736 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6741 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6743 VariantClass v = gameInfo.variant;
6745 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6746 if(v == VariantShatranj) return TRUE; // always winnable through baring
6747 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6748 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6750 if(v == VariantXiangqi) {
6751 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6753 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6754 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6755 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6756 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6757 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6758 if(stale) // we have at least one last-rank P plus perhaps C
6759 return majors // KPKX
6760 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6762 return pCnt[WhiteFerz+side] // KCAK
6763 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6764 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6765 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6767 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6768 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6770 if(nMine == 1) return FALSE; // bare King
6771 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
6772 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6773 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6774 // by now we have King + 1 piece (or multiple Bishops on the same color)
6775 if(pCnt[WhiteKnight+side])
6776 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6777 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6778 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6780 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6781 if(pCnt[WhiteAlfil+side])
6782 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6783 if(pCnt[WhiteWazir+side])
6784 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6791 Adjudicate(ChessProgramState *cps)
6792 { // [HGM] some adjudications useful with buggy engines
6793 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6794 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6795 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6796 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6797 int k, count = 0; static int bare = 1;
6798 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6799 Boolean canAdjudicate = !appData.icsActive;
6801 // most tests only when we understand the game, i.e. legality-checking on
6802 if( appData.testLegality )
6803 { /* [HGM] Some more adjudications for obstinate engines */
6804 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6805 static int moveCount = 6;
6807 char *reason = NULL;
6809 /* Count what is on board. */
6810 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6812 /* Some material-based adjudications that have to be made before stalemate test */
6813 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6814 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6815 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6816 if(canAdjudicate && appData.checkMates) {
6818 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6819 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6820 "Xboard adjudication: King destroyed", GE_XBOARD );
6825 /* Bare King in Shatranj (loses) or Losers (wins) */
6826 if( nrW == 1 || nrB == 1) {
6827 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6828 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6829 if(canAdjudicate && appData.checkMates) {
6831 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6832 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6833 "Xboard adjudication: Bare king", GE_XBOARD );
6837 if( gameInfo.variant == VariantShatranj && --bare < 0)
6839 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6840 if(canAdjudicate && appData.checkMates) {
6841 /* but only adjudicate if adjudication enabled */
6843 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6844 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6845 "Xboard adjudication: Bare king", GE_XBOARD );
6852 // don't wait for engine to announce game end if we can judge ourselves
6853 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6855 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6856 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6857 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6858 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6861 reason = "Xboard adjudication: 3rd check";
6862 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6872 reason = "Xboard adjudication: Stalemate";
6873 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6874 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6875 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6876 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6877 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6878 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6879 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6880 EP_CHECKMATE : EP_WINS);
6881 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6882 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6886 reason = "Xboard adjudication: Checkmate";
6887 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6891 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6893 result = GameIsDrawn; break;
6895 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6897 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6901 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6904 GameEnds( result, reason, GE_XBOARD );
6908 /* Next absolutely insufficient mating material. */
6909 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6910 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6911 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6913 /* always flag draws, for judging claims */
6914 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6916 if(canAdjudicate && appData.materialDraws) {
6917 /* but only adjudicate them if adjudication enabled */
6918 if(engineOpponent) {
6919 SendToProgram("force\n", engineOpponent); // suppress reply
6920 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6922 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6927 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6928 if(gameInfo.variant == VariantXiangqi ?
6929 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6931 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6932 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6933 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6934 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6936 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6937 { /* if the first 3 moves do not show a tactical win, declare draw */
6938 if(engineOpponent) {
6939 SendToProgram("force\n", engineOpponent); // suppress reply
6940 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6942 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6945 } else moveCount = 6;
6947 if (appData.debugMode) { int i;
6948 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6949 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6950 appData.drawRepeats);
6951 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6952 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6956 // Repetition draws and 50-move rule can be applied independently of legality testing
6958 /* Check for rep-draws */
6960 for(k = forwardMostMove-2;
6961 k>=backwardMostMove && k>=forwardMostMove-100 &&
6962 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6963 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6966 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6967 /* compare castling rights */
6968 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6969 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6970 rights++; /* King lost rights, while rook still had them */
6971 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6972 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6973 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6974 rights++; /* but at least one rook lost them */
6976 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6977 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6979 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6980 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6981 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6984 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6985 && appData.drawRepeats > 1) {
6986 /* adjudicate after user-specified nr of repeats */
6987 int result = GameIsDrawn;
6988 char *details = "XBoard adjudication: repetition draw";
6989 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6990 // [HGM] xiangqi: check for forbidden perpetuals
6991 int m, ourPerpetual = 1, hisPerpetual = 1;
6992 for(m=forwardMostMove; m>k; m-=2) {
6993 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6994 ourPerpetual = 0; // the current mover did not always check
6995 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6996 hisPerpetual = 0; // the opponent did not always check
6998 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6999 ourPerpetual, hisPerpetual);
7000 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7001 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7002 details = "Xboard adjudication: perpetual checking";
7004 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7005 break; // (or we would have caught him before). Abort repetition-checking loop.
7007 // Now check for perpetual chases
7008 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7009 hisPerpetual = PerpetualChase(k, forwardMostMove);
7010 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7011 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7012 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7013 details = "Xboard adjudication: perpetual chasing";
7015 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7016 break; // Abort repetition-checking loop.
7018 // if neither of us is checking or chasing all the time, or both are, it is draw
7020 if(engineOpponent) {
7021 SendToProgram("force\n", engineOpponent); // suppress reply
7022 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7024 GameEnds( result, details, GE_XBOARD );
7027 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7028 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7032 /* Now we test for 50-move draws. Determine ply count */
7033 count = forwardMostMove;
7034 /* look for last irreversble move */
7035 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7037 /* if we hit starting position, add initial plies */
7038 if( count == backwardMostMove )
7039 count -= initialRulePlies;
7040 count = forwardMostMove - count;
7041 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7042 // adjust reversible move counter for checks in Xiangqi
7043 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7044 if(i < backwardMostMove) i = backwardMostMove;
7045 while(i <= forwardMostMove) {
7046 lastCheck = inCheck; // check evasion does not count
7047 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7048 if(inCheck || lastCheck) count--; // check does not count
7053 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7054 /* this is used to judge if draw claims are legal */
7055 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7056 if(engineOpponent) {
7057 SendToProgram("force\n", engineOpponent); // suppress reply
7058 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7060 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7064 /* if draw offer is pending, treat it as a draw claim
7065 * when draw condition present, to allow engines a way to
7066 * claim draws before making their move to avoid a race
7067 * condition occurring after their move
7069 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7071 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7072 p = "Draw claim: 50-move rule";
7073 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7074 p = "Draw claim: 3-fold repetition";
7075 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7076 p = "Draw claim: insufficient mating material";
7077 if( p != NULL && canAdjudicate) {
7078 if(engineOpponent) {
7079 SendToProgram("force\n", engineOpponent); // suppress reply
7080 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7082 GameEnds( GameIsDrawn, p, GE_XBOARD );
7087 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7088 if(engineOpponent) {
7089 SendToProgram("force\n", engineOpponent); // suppress reply
7090 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7092 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7098 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7099 { // [HGM] book: this routine intercepts moves to simulate book replies
7100 char *bookHit = NULL;
7102 //first determine if the incoming move brings opponent into his book
7103 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7104 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7105 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7106 if(bookHit != NULL && !cps->bookSuspend) {
7107 // make sure opponent is not going to reply after receiving move to book position
7108 SendToProgram("force\n", cps);
7109 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7111 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7112 // now arrange restart after book miss
7114 // after a book hit we never send 'go', and the code after the call to this routine
7115 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7117 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7118 SendToProgram(buf, cps);
7119 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7120 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7121 SendToProgram("go\n", cps);
7122 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7123 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7124 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7125 SendToProgram("go\n", cps);
7126 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7128 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7132 ChessProgramState *savedState;
7133 void DeferredBookMove(void)
7135 if(savedState->lastPing != savedState->lastPong)
7136 ScheduleDelayedEvent(DeferredBookMove, 10);
7138 HandleMachineMove(savedMessage, savedState);
7142 HandleMachineMove(message, cps)
7144 ChessProgramState *cps;
7146 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7147 char realname[MSG_SIZ];
7148 int fromX, fromY, toX, toY;
7157 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7159 * Kludge to ignore BEL characters
7161 while (*message == '\007') message++;
7164 * [HGM] engine debug message: ignore lines starting with '#' character
7166 if(cps->debug && *message == '#') return;
7169 * Look for book output
7171 if (cps == &first && bookRequested) {
7172 if (message[0] == '\t' || message[0] == ' ') {
7173 /* Part of the book output is here; append it */
7174 strcat(bookOutput, message);
7175 strcat(bookOutput, " \n");
7177 } else if (bookOutput[0] != NULLCHAR) {
7178 /* All of book output has arrived; display it */
7179 char *p = bookOutput;
7180 while (*p != NULLCHAR) {
7181 if (*p == '\t') *p = ' ';
7184 DisplayInformation(bookOutput);
7185 bookRequested = FALSE;
7186 /* Fall through to parse the current output */
7191 * Look for machine move.
7193 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7194 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7196 /* This method is only useful on engines that support ping */
7197 if (cps->lastPing != cps->lastPong) {
7198 if (gameMode == BeginningOfGame) {
7199 /* Extra move from before last new; ignore */
7200 if (appData.debugMode) {
7201 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7204 if (appData.debugMode) {
7205 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7206 cps->which, gameMode);
7209 SendToProgram("undo\n", cps);
7215 case BeginningOfGame:
7216 /* Extra move from before last reset; ignore */
7217 if (appData.debugMode) {
7218 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7225 /* Extra move after we tried to stop. The mode test is
7226 not a reliable way of detecting this problem, but it's
7227 the best we can do on engines that don't support ping.
7229 if (appData.debugMode) {
7230 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7231 cps->which, gameMode);
7233 SendToProgram("undo\n", cps);
7236 case MachinePlaysWhite:
7237 case IcsPlayingWhite:
7238 machineWhite = TRUE;
7241 case MachinePlaysBlack:
7242 case IcsPlayingBlack:
7243 machineWhite = FALSE;
7246 case TwoMachinesPlay:
7247 machineWhite = (cps->twoMachinesColor[0] == 'w');
7250 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7251 if (appData.debugMode) {
7253 "Ignoring move out of turn by %s, gameMode %d"
7254 ", forwardMost %d\n",
7255 cps->which, gameMode, forwardMostMove);
7260 if (appData.debugMode) { int f = forwardMostMove;
7261 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7262 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7263 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7265 if(cps->alphaRank) AlphaRank(machineMove, 4);
7266 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7267 &fromX, &fromY, &toX, &toY, &promoChar)) {
7268 /* Machine move could not be parsed; ignore it. */
7269 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7270 machineMove, _(cps->which));
7271 DisplayError(buf1, 0);
7272 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7273 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7274 if (gameMode == TwoMachinesPlay) {
7275 GameEnds(machineWhite ? BlackWins : WhiteWins,
7281 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7282 /* So we have to redo legality test with true e.p. status here, */
7283 /* to make sure an illegal e.p. capture does not slip through, */
7284 /* to cause a forfeit on a justified illegal-move complaint */
7285 /* of the opponent. */
7286 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7288 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7289 fromY, fromX, toY, toX, promoChar);
7290 if (appData.debugMode) {
7292 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7293 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7294 fprintf(debugFP, "castling rights\n");
7296 if(moveType == IllegalMove) {
7297 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7298 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7299 GameEnds(machineWhite ? BlackWins : WhiteWins,
7302 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7303 /* [HGM] Kludge to handle engines that send FRC-style castling
7304 when they shouldn't (like TSCP-Gothic) */
7306 case WhiteASideCastleFR:
7307 case BlackASideCastleFR:
7309 currentMoveString[2]++;
7311 case WhiteHSideCastleFR:
7312 case BlackHSideCastleFR:
7314 currentMoveString[2]--;
7316 default: ; // nothing to do, but suppresses warning of pedantic compilers
7319 hintRequested = FALSE;
7320 lastHint[0] = NULLCHAR;
7321 bookRequested = FALSE;
7322 /* Program may be pondering now */
7323 cps->maybeThinking = TRUE;
7324 if (cps->sendTime == 2) cps->sendTime = 1;
7325 if (cps->offeredDraw) cps->offeredDraw--;
7327 /* [AS] Save move info*/
7328 pvInfoList[ forwardMostMove ].score = programStats.score;
7329 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7330 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7332 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7334 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7335 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7338 while( count < adjudicateLossPlies ) {
7339 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7342 score = -score; /* Flip score for winning side */
7345 if( score > adjudicateLossThreshold ) {
7352 if( count >= adjudicateLossPlies ) {
7353 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7355 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7356 "Xboard adjudication",
7363 if(Adjudicate(cps)) {
7364 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7365 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 /* [HGM] illegal-move claim should forfeit game when Xboard */
7689 /* only passes fully legal moves */
7690 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7691 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7692 "False illegal-move claim", GE_XBOARD );
7693 return; // do not take back move we tested as valid
7695 currentMove = forwardMostMove-1;
7696 DisplayMove(currentMove-1); /* before DisplayMoveError */
7697 SwitchClocks(forwardMostMove-1); // [HGM] race
7698 DisplayBothClocks();
7699 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7700 parseList[currentMove], _(cps->which));
7701 DisplayMoveError(buf1);
7702 DrawPosition(FALSE, boards[currentMove]);
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"),
7748 buf1, _(cps->which));
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 != VariantSuper && gameInfo.variant != VariantShogi )
8416 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8418 if( board[fromY][fromX] == WhitePawn ) {
8419 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8420 board[EP_STATUS] = EP_PAWN_MOVE;
8422 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8423 gameInfo.variant != VariantBerolina || toX < fromX)
8424 board[EP_STATUS] = toX | berolina;
8425 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8426 gameInfo.variant != VariantBerolina || toX > fromX)
8427 board[EP_STATUS] = toX;
8430 if( board[fromY][fromX] == BlackPawn ) {
8431 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8432 board[EP_STATUS] = EP_PAWN_MOVE;
8433 if( toY-fromY== -2) {
8434 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8435 gameInfo.variant != VariantBerolina || toX < fromX)
8436 board[EP_STATUS] = toX | berolina;
8437 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8438 gameInfo.variant != VariantBerolina || toX > fromX)
8439 board[EP_STATUS] = toX;
8443 for(i=0; i<nrCastlingRights; i++) {
8444 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8445 board[CASTLING][i] == toX && castlingRank[i] == toY
8446 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8449 if (fromX == toX && fromY == toY) return;
8451 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8452 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8453 if(gameInfo.variant == VariantKnightmate)
8454 king += (int) WhiteUnicorn - (int) WhiteKing;
8456 /* Code added by Tord: */
8457 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8458 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8459 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8460 board[fromY][fromX] = EmptySquare;
8461 board[toY][toX] = EmptySquare;
8462 if((toX > fromX) != (piece == WhiteRook)) {
8463 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8465 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8467 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8468 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8469 board[fromY][fromX] = EmptySquare;
8470 board[toY][toX] = EmptySquare;
8471 if((toX > fromX) != (piece == BlackRook)) {
8472 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8474 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8476 /* End of code added by Tord */
8478 } else if (board[fromY][fromX] == king
8479 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8480 && toY == fromY && toX > fromX+1) {
8481 board[fromY][fromX] = EmptySquare;
8482 board[toY][toX] = king;
8483 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8484 board[fromY][BOARD_RGHT-1] = EmptySquare;
8485 } else if (board[fromY][fromX] == king
8486 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8487 && toY == fromY && toX < fromX-1) {
8488 board[fromY][fromX] = EmptySquare;
8489 board[toY][toX] = king;
8490 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8491 board[fromY][BOARD_LEFT] = EmptySquare;
8492 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8493 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8494 && toY >= BOARD_HEIGHT-promoRank
8496 /* white pawn promotion */
8497 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8498 if (board[toY][toX] == EmptySquare) {
8499 board[toY][toX] = WhiteQueen;
8501 if(gameInfo.variant==VariantBughouse ||
8502 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8503 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8504 board[fromY][fromX] = EmptySquare;
8505 } else if ((fromY == BOARD_HEIGHT-4)
8507 && gameInfo.variant != VariantXiangqi
8508 && gameInfo.variant != VariantBerolina
8509 && (board[fromY][fromX] == WhitePawn)
8510 && (board[toY][toX] == EmptySquare)) {
8511 board[fromY][fromX] = EmptySquare;
8512 board[toY][toX] = WhitePawn;
8513 captured = board[toY - 1][toX];
8514 board[toY - 1][toX] = EmptySquare;
8515 } else if ((fromY == BOARD_HEIGHT-4)
8517 && gameInfo.variant == VariantBerolina
8518 && (board[fromY][fromX] == WhitePawn)
8519 && (board[toY][toX] == EmptySquare)) {
8520 board[fromY][fromX] = EmptySquare;
8521 board[toY][toX] = WhitePawn;
8522 if(oldEP & EP_BEROLIN_A) {
8523 captured = board[fromY][fromX-1];
8524 board[fromY][fromX-1] = EmptySquare;
8525 }else{ captured = board[fromY][fromX+1];
8526 board[fromY][fromX+1] = EmptySquare;
8528 } else if (board[fromY][fromX] == king
8529 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8530 && toY == fromY && toX > fromX+1) {
8531 board[fromY][fromX] = EmptySquare;
8532 board[toY][toX] = king;
8533 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8534 board[fromY][BOARD_RGHT-1] = EmptySquare;
8535 } else if (board[fromY][fromX] == king
8536 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8537 && toY == fromY && toX < fromX-1) {
8538 board[fromY][fromX] = EmptySquare;
8539 board[toY][toX] = king;
8540 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8541 board[fromY][BOARD_LEFT] = EmptySquare;
8542 } else if (fromY == 7 && fromX == 3
8543 && board[fromY][fromX] == BlackKing
8544 && toY == 7 && toX == 5) {
8545 board[fromY][fromX] = EmptySquare;
8546 board[toY][toX] = BlackKing;
8547 board[fromY][7] = EmptySquare;
8548 board[toY][4] = BlackRook;
8549 } else if (fromY == 7 && fromX == 3
8550 && board[fromY][fromX] == BlackKing
8551 && toY == 7 && toX == 1) {
8552 board[fromY][fromX] = EmptySquare;
8553 board[toY][toX] = BlackKing;
8554 board[fromY][0] = EmptySquare;
8555 board[toY][2] = BlackRook;
8556 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8557 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8560 /* black pawn promotion */
8561 board[toY][toX] = CharToPiece(ToLower(promoChar));
8562 if (board[toY][toX] == EmptySquare) {
8563 board[toY][toX] = BlackQueen;
8565 if(gameInfo.variant==VariantBughouse ||
8566 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8567 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8568 board[fromY][fromX] = EmptySquare;
8569 } else if ((fromY == 3)
8571 && gameInfo.variant != VariantXiangqi
8572 && gameInfo.variant != VariantBerolina
8573 && (board[fromY][fromX] == BlackPawn)
8574 && (board[toY][toX] == EmptySquare)) {
8575 board[fromY][fromX] = EmptySquare;
8576 board[toY][toX] = BlackPawn;
8577 captured = board[toY + 1][toX];
8578 board[toY + 1][toX] = EmptySquare;
8579 } else if ((fromY == 3)
8581 && gameInfo.variant == VariantBerolina
8582 && (board[fromY][fromX] == BlackPawn)
8583 && (board[toY][toX] == EmptySquare)) {
8584 board[fromY][fromX] = EmptySquare;
8585 board[toY][toX] = BlackPawn;
8586 if(oldEP & EP_BEROLIN_A) {
8587 captured = board[fromY][fromX-1];
8588 board[fromY][fromX-1] = EmptySquare;
8589 }else{ captured = board[fromY][fromX+1];
8590 board[fromY][fromX+1] = EmptySquare;
8593 board[toY][toX] = board[fromY][fromX];
8594 board[fromY][fromX] = EmptySquare;
8598 if (gameInfo.holdingsWidth != 0) {
8600 /* !!A lot more code needs to be written to support holdings */
8601 /* [HGM] OK, so I have written it. Holdings are stored in the */
8602 /* penultimate board files, so they are automaticlly stored */
8603 /* in the game history. */
8604 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8605 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8606 /* Delete from holdings, by decreasing count */
8607 /* and erasing image if necessary */
8608 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8609 if(p < (int) BlackPawn) { /* white drop */
8610 p -= (int)WhitePawn;
8611 p = PieceToNumber((ChessSquare)p);
8612 if(p >= gameInfo.holdingsSize) p = 0;
8613 if(--board[p][BOARD_WIDTH-2] <= 0)
8614 board[p][BOARD_WIDTH-1] = EmptySquare;
8615 if((int)board[p][BOARD_WIDTH-2] < 0)
8616 board[p][BOARD_WIDTH-2] = 0;
8617 } else { /* black drop */
8618 p -= (int)BlackPawn;
8619 p = PieceToNumber((ChessSquare)p);
8620 if(p >= gameInfo.holdingsSize) p = 0;
8621 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8622 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8623 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8624 board[BOARD_HEIGHT-1-p][1] = 0;
8627 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8628 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8629 /* [HGM] holdings: Add to holdings, if holdings exist */
8630 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8631 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8632 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8635 if (p >= (int) BlackPawn) {
8636 p -= (int)BlackPawn;
8637 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8638 /* in Shogi restore piece to its original first */
8639 captured = (ChessSquare) (DEMOTED captured);
8642 p = PieceToNumber((ChessSquare)p);
8643 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8644 board[p][BOARD_WIDTH-2]++;
8645 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8647 p -= (int)WhitePawn;
8648 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8649 captured = (ChessSquare) (DEMOTED captured);
8652 p = PieceToNumber((ChessSquare)p);
8653 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8654 board[BOARD_HEIGHT-1-p][1]++;
8655 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8658 } else if (gameInfo.variant == VariantAtomic) {
8659 if (captured != EmptySquare) {
8661 for (y = toY-1; y <= toY+1; y++) {
8662 for (x = toX-1; x <= toX+1; x++) {
8663 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8664 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8665 board[y][x] = EmptySquare;
8669 board[toY][toX] = EmptySquare;
8672 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8673 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8675 if(promoChar == '+') {
8676 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8677 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8678 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8679 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8681 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8682 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8683 // [HGM] superchess: take promotion piece out of holdings
8684 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8685 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8686 if(!--board[k][BOARD_WIDTH-2])
8687 board[k][BOARD_WIDTH-1] = EmptySquare;
8689 if(!--board[BOARD_HEIGHT-1-k][1])
8690 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8696 /* Updates forwardMostMove */
8698 MakeMove(fromX, fromY, toX, toY, promoChar)
8699 int fromX, fromY, toX, toY;
8702 // forwardMostMove++; // [HGM] bare: moved downstream
8704 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8705 int timeLeft; static int lastLoadFlag=0; int king, piece;
8706 piece = boards[forwardMostMove][fromY][fromX];
8707 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8708 if(gameInfo.variant == VariantKnightmate)
8709 king += (int) WhiteUnicorn - (int) WhiteKing;
8710 if(forwardMostMove == 0) {
8712 fprintf(serverMoves, "%s;", second.tidy);
8713 fprintf(serverMoves, "%s;", first.tidy);
8714 if(!blackPlaysFirst)
8715 fprintf(serverMoves, "%s;", second.tidy);
8716 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8717 lastLoadFlag = loadFlag;
8719 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8720 // print castling suffix
8721 if( toY == fromY && piece == king ) {
8723 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8725 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8728 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8729 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8730 boards[forwardMostMove][toY][toX] == EmptySquare
8731 && fromX != toX && fromY != toY)
8732 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8734 if(promoChar != NULLCHAR)
8735 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8737 fprintf(serverMoves, "/%d/%d",
8738 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8739 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8740 else timeLeft = blackTimeRemaining/1000;
8741 fprintf(serverMoves, "/%d", timeLeft);
8743 fflush(serverMoves);
8746 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8747 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8751 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8752 if (commentList[forwardMostMove+1] != NULL) {
8753 free(commentList[forwardMostMove+1]);
8754 commentList[forwardMostMove+1] = NULL;
8756 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8757 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8758 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8759 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8760 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8761 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8762 gameInfo.result = GameUnfinished;
8763 if (gameInfo.resultDetails != NULL) {
8764 free(gameInfo.resultDetails);
8765 gameInfo.resultDetails = NULL;
8767 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8768 moveList[forwardMostMove - 1]);
8769 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8770 PosFlags(forwardMostMove - 1),
8771 fromY, fromX, toY, toX, promoChar,
8772 parseList[forwardMostMove - 1]);
8773 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8779 if(gameInfo.variant != VariantShogi)
8780 strcat(parseList[forwardMostMove - 1], "+");
8784 strcat(parseList[forwardMostMove - 1], "#");
8787 if (appData.debugMode) {
8788 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8793 /* Updates currentMove if not pausing */
8795 ShowMove(fromX, fromY, toX, toY)
8797 int instant = (gameMode == PlayFromGameFile) ?
8798 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8799 if(appData.noGUI) return;
8800 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8802 if (forwardMostMove == currentMove + 1) {
8803 AnimateMove(boards[forwardMostMove - 1],
8804 fromX, fromY, toX, toY);
8806 if (appData.highlightLastMove) {
8807 SetHighlights(fromX, fromY, toX, toY);
8810 currentMove = forwardMostMove;
8813 if (instant) return;
8815 DisplayMove(currentMove - 1);
8816 DrawPosition(FALSE, boards[currentMove]);
8817 DisplayBothClocks();
8818 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8821 void SendEgtPath(ChessProgramState *cps)
8822 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8823 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8825 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8828 char c, *q = name+1, *r, *s;
8830 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8831 while(*p && *p != ',') *q++ = *p++;
8833 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8834 strcmp(name, ",nalimov:") == 0 ) {
8835 // take nalimov path from the menu-changeable option first, if it is defined
8836 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8837 SendToProgram(buf,cps); // send egtbpath command for nalimov
8839 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8840 (s = StrStr(appData.egtFormats, name)) != NULL) {
8841 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8842 s = r = StrStr(s, ":") + 1; // beginning of path info
8843 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8844 c = *r; *r = 0; // temporarily null-terminate path info
8845 *--q = 0; // strip of trailig ':' from name
8846 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8848 SendToProgram(buf,cps); // send egtbpath command for this format
8850 if(*p == ',') p++; // read away comma to position for next format name
8855 InitChessProgram(cps, setup)
8856 ChessProgramState *cps;
8857 int setup; /* [HGM] needed to setup FRC opening position */
8859 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8860 if (appData.noChessProgram) return;
8861 hintRequested = FALSE;
8862 bookRequested = FALSE;
8864 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8865 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8866 if(cps->memSize) { /* [HGM] memory */
8867 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8868 SendToProgram(buf, cps);
8870 SendEgtPath(cps); /* [HGM] EGT */
8871 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8872 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8873 SendToProgram(buf, cps);
8876 SendToProgram(cps->initString, cps);
8877 if (gameInfo.variant != VariantNormal &&
8878 gameInfo.variant != VariantLoadable
8879 /* [HGM] also send variant if board size non-standard */
8880 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8882 char *v = VariantName(gameInfo.variant);
8883 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8884 /* [HGM] in protocol 1 we have to assume all variants valid */
8885 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8886 DisplayFatalError(buf, 0, 1);
8890 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8891 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8892 if( gameInfo.variant == VariantXiangqi )
8893 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8894 if( gameInfo.variant == VariantShogi )
8895 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8896 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8897 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8898 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8899 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
8900 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8901 if( gameInfo.variant == VariantCourier )
8902 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8903 if( gameInfo.variant == VariantSuper )
8904 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8905 if( gameInfo.variant == VariantGreat )
8906 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8907 if( gameInfo.variant == VariantSChess )
8908 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8911 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8912 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8913 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8914 if(StrStr(cps->variants, b) == NULL) {
8915 // specific sized variant not known, check if general sizing allowed
8916 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8917 if(StrStr(cps->variants, "boardsize") == NULL) {
8918 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8919 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8920 DisplayFatalError(buf, 0, 1);
8923 /* [HGM] here we really should compare with the maximum supported board size */
8926 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8927 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8928 SendToProgram(buf, cps);
8930 currentlyInitializedVariant = gameInfo.variant;
8932 /* [HGM] send opening position in FRC to first engine */
8934 SendToProgram("force\n", cps);
8936 /* engine is now in force mode! Set flag to wake it up after first move. */
8937 setboardSpoiledMachineBlack = 1;
8941 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8942 SendToProgram(buf, cps);
8944 cps->maybeThinking = FALSE;
8945 cps->offeredDraw = 0;
8946 if (!appData.icsActive) {
8947 SendTimeControl(cps, movesPerSession, timeControl,
8948 timeIncrement, appData.searchDepth,
8951 if (appData.showThinking
8952 // [HGM] thinking: four options require thinking output to be sent
8953 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8955 SendToProgram("post\n", cps);
8957 SendToProgram("hard\n", cps);
8958 if (!appData.ponderNextMove) {
8959 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8960 it without being sure what state we are in first. "hard"
8961 is not a toggle, so that one is OK.
8963 SendToProgram("easy\n", cps);
8966 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8967 SendToProgram(buf, cps);
8969 cps->initDone = TRUE;
8974 StartChessProgram(cps)
8975 ChessProgramState *cps;
8980 if (appData.noChessProgram) return;
8981 cps->initDone = FALSE;
8983 if (strcmp(cps->host, "localhost") == 0) {
8984 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8985 } else if (*appData.remoteShell == NULLCHAR) {
8986 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8988 if (*appData.remoteUser == NULLCHAR) {
8989 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8992 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8993 cps->host, appData.remoteUser, cps->program);
8995 err = StartChildProcess(buf, "", &cps->pr);
8999 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9000 DisplayFatalError(buf, err, 1);
9006 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9007 if (cps->protocolVersion > 1) {
9008 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9009 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9010 cps->comboCnt = 0; // and values of combo boxes
9011 SendToProgram(buf, cps);
9013 SendToProgram("xboard\n", cps);
9019 TwoMachinesEventIfReady P((void))
9021 if (first.lastPing != first.lastPong) {
9022 DisplayMessage("", _("Waiting for first chess program"));
9023 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9026 if (second.lastPing != second.lastPong) {
9027 DisplayMessage("", _("Waiting for second chess program"));
9028 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9036 NextMatchGame P((void))
9038 int index; /* [HGM] autoinc: step load index during match */
9040 if (*appData.loadGameFile != NULLCHAR) {
9041 index = appData.loadGameIndex;
9042 if(index < 0) { // [HGM] autoinc
9043 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9044 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9046 LoadGameFromFile(appData.loadGameFile,
9048 appData.loadGameFile, FALSE);
9049 } else if (*appData.loadPositionFile != NULLCHAR) {
9050 index = appData.loadPositionIndex;
9051 if(index < 0) { // [HGM] autoinc
9052 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9053 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9055 LoadPositionFromFile(appData.loadPositionFile,
9057 appData.loadPositionFile);
9059 TwoMachinesEventIfReady();
9062 void UserAdjudicationEvent( int result )
9064 ChessMove gameResult = GameIsDrawn;
9067 gameResult = WhiteWins;
9069 else if( result < 0 ) {
9070 gameResult = BlackWins;
9073 if( gameMode == TwoMachinesPlay ) {
9074 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9079 // [HGM] save: calculate checksum of game to make games easily identifiable
9080 int StringCheckSum(char *s)
9083 if(s==NULL) return 0;
9084 while(*s) i = i*259 + *s++;
9091 for(i=backwardMostMove; i<forwardMostMove; i++) {
9092 sum += pvInfoList[i].depth;
9093 sum += StringCheckSum(parseList[i]);
9094 sum += StringCheckSum(commentList[i]);
9097 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9098 return sum + StringCheckSum(commentList[i]);
9099 } // end of save patch
9102 GameEnds(result, resultDetails, whosays)
9104 char *resultDetails;
9107 GameMode nextGameMode;
9109 char buf[MSG_SIZ], popupRequested = 0;
9111 if(endingGame) return; /* [HGM] crash: forbid recursion */
9113 if(twoBoards) { // [HGM] dual: switch back to one board
9114 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9115 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9117 if (appData.debugMode) {
9118 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9119 result, resultDetails ? resultDetails : "(null)", whosays);
9122 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9124 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9125 /* If we are playing on ICS, the server decides when the
9126 game is over, but the engine can offer to draw, claim
9130 if (appData.zippyPlay && first.initDone) {
9131 if (result == GameIsDrawn) {
9132 /* In case draw still needs to be claimed */
9133 SendToICS(ics_prefix);
9134 SendToICS("draw\n");
9135 } else if (StrCaseStr(resultDetails, "resign")) {
9136 SendToICS(ics_prefix);
9137 SendToICS("resign\n");
9141 endingGame = 0; /* [HGM] crash */
9145 /* If we're loading the game from a file, stop */
9146 if (whosays == GE_FILE) {
9147 (void) StopLoadGameTimer();
9151 /* Cancel draw offers */
9152 first.offeredDraw = second.offeredDraw = 0;
9154 /* If this is an ICS game, only ICS can really say it's done;
9155 if not, anyone can. */
9156 isIcsGame = (gameMode == IcsPlayingWhite ||
9157 gameMode == IcsPlayingBlack ||
9158 gameMode == IcsObserving ||
9159 gameMode == IcsExamining);
9161 if (!isIcsGame || whosays == GE_ICS) {
9162 /* OK -- not an ICS game, or ICS said it was done */
9164 if (!isIcsGame && !appData.noChessProgram)
9165 SetUserThinkingEnables();
9167 /* [HGM] if a machine claims the game end we verify this claim */
9168 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9169 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9171 ChessMove trueResult = (ChessMove) -1;
9173 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9174 first.twoMachinesColor[0] :
9175 second.twoMachinesColor[0] ;
9177 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9178 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9179 /* [HGM] verify: engine mate claims accepted if they were flagged */
9180 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9182 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9183 /* [HGM] verify: engine mate claims accepted if they were flagged */
9184 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9186 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9187 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9190 // now verify win claims, but not in drop games, as we don't understand those yet
9191 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9192 || gameInfo.variant == VariantGreat) &&
9193 (result == WhiteWins && claimer == 'w' ||
9194 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9195 if (appData.debugMode) {
9196 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9197 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9199 if(result != trueResult) {
9200 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9201 result = claimer == 'w' ? BlackWins : WhiteWins;
9202 resultDetails = buf;
9205 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9206 && (forwardMostMove <= backwardMostMove ||
9207 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9208 (claimer=='b')==(forwardMostMove&1))
9210 /* [HGM] verify: draws that were not flagged are false claims */
9211 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9212 result = claimer == 'w' ? BlackWins : WhiteWins;
9213 resultDetails = buf;
9215 /* (Claiming a loss is accepted no questions asked!) */
9217 /* [HGM] bare: don't allow bare King to win */
9218 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9219 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9220 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9221 && result != GameIsDrawn)
9222 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9223 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9224 int p = (signed char)boards[forwardMostMove][i][j] - color;
9225 if(p >= 0 && p <= (int)WhiteKing) k++;
9227 if (appData.debugMode) {
9228 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9229 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9232 result = GameIsDrawn;
9233 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9234 resultDetails = buf;
9240 if(serverMoves != NULL && !loadFlag) { char c = '=';
9241 if(result==WhiteWins) c = '+';
9242 if(result==BlackWins) c = '-';
9243 if(resultDetails != NULL)
9244 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9246 if (resultDetails != NULL) {
9247 gameInfo.result = result;
9248 gameInfo.resultDetails = StrSave(resultDetails);
9250 /* display last move only if game was not loaded from file */
9251 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9252 DisplayMove(currentMove - 1);
9254 if (forwardMostMove != 0) {
9255 if (gameMode != PlayFromGameFile && gameMode != EditGame
9256 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9258 if (*appData.saveGameFile != NULLCHAR) {
9259 SaveGameToFile(appData.saveGameFile, TRUE);
9260 } else if (appData.autoSaveGames) {
9263 if (*appData.savePositionFile != NULLCHAR) {
9264 SavePositionToFile(appData.savePositionFile);
9269 /* Tell program how game ended in case it is learning */
9270 /* [HGM] Moved this to after saving the PGN, just in case */
9271 /* engine died and we got here through time loss. In that */
9272 /* case we will get a fatal error writing the pipe, which */
9273 /* would otherwise lose us the PGN. */
9274 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9275 /* output during GameEnds should never be fatal anymore */
9276 if (gameMode == MachinePlaysWhite ||
9277 gameMode == MachinePlaysBlack ||
9278 gameMode == TwoMachinesPlay ||
9279 gameMode == IcsPlayingWhite ||
9280 gameMode == IcsPlayingBlack ||
9281 gameMode == BeginningOfGame) {
9283 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9285 if (first.pr != NoProc) {
9286 SendToProgram(buf, &first);
9288 if (second.pr != NoProc &&
9289 gameMode == TwoMachinesPlay) {
9290 SendToProgram(buf, &second);
9295 if (appData.icsActive) {
9296 if (appData.quietPlay &&
9297 (gameMode == IcsPlayingWhite ||
9298 gameMode == IcsPlayingBlack)) {
9299 SendToICS(ics_prefix);
9300 SendToICS("set shout 1\n");
9302 nextGameMode = IcsIdle;
9303 ics_user_moved = FALSE;
9304 /* clean up premove. It's ugly when the game has ended and the
9305 * premove highlights are still on the board.
9309 ClearPremoveHighlights();
9310 DrawPosition(FALSE, boards[currentMove]);
9312 if (whosays == GE_ICS) {
9315 if (gameMode == IcsPlayingWhite)
9317 else if(gameMode == IcsPlayingBlack)
9321 if (gameMode == IcsPlayingBlack)
9323 else if(gameMode == IcsPlayingWhite)
9330 PlayIcsUnfinishedSound();
9333 } else if (gameMode == EditGame ||
9334 gameMode == PlayFromGameFile ||
9335 gameMode == AnalyzeMode ||
9336 gameMode == AnalyzeFile) {
9337 nextGameMode = gameMode;
9339 nextGameMode = EndOfGame;
9344 nextGameMode = gameMode;
9347 if (appData.noChessProgram) {
9348 gameMode = nextGameMode;
9350 endingGame = 0; /* [HGM] crash */
9355 /* Put first chess program into idle state */
9356 if (first.pr != NoProc &&
9357 (gameMode == MachinePlaysWhite ||
9358 gameMode == MachinePlaysBlack ||
9359 gameMode == TwoMachinesPlay ||
9360 gameMode == IcsPlayingWhite ||
9361 gameMode == IcsPlayingBlack ||
9362 gameMode == BeginningOfGame)) {
9363 SendToProgram("force\n", &first);
9364 if (first.usePing) {
9366 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9367 SendToProgram(buf, &first);
9370 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9371 /* Kill off first chess program */
9372 if (first.isr != NULL)
9373 RemoveInputSource(first.isr);
9376 if (first.pr != NoProc) {
9378 DoSleep( appData.delayBeforeQuit );
9379 SendToProgram("quit\n", &first);
9380 DoSleep( appData.delayAfterQuit );
9381 DestroyChildProcess(first.pr, first.useSigterm);
9386 /* Put second chess program into idle state */
9387 if (second.pr != NoProc &&
9388 gameMode == TwoMachinesPlay) {
9389 SendToProgram("force\n", &second);
9390 if (second.usePing) {
9392 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9393 SendToProgram(buf, &second);
9396 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9397 /* Kill off second chess program */
9398 if (second.isr != NULL)
9399 RemoveInputSource(second.isr);
9402 if (second.pr != NoProc) {
9403 DoSleep( appData.delayBeforeQuit );
9404 SendToProgram("quit\n", &second);
9405 DoSleep( appData.delayAfterQuit );
9406 DestroyChildProcess(second.pr, second.useSigterm);
9411 if (matchMode && gameMode == TwoMachinesPlay) {
9414 if (first.twoMachinesColor[0] == 'w') {
9421 if (first.twoMachinesColor[0] == 'b') {
9430 if (matchGame < appData.matchGames) {
9432 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9433 tmp = first.twoMachinesColor;
9434 first.twoMachinesColor = second.twoMachinesColor;
9435 second.twoMachinesColor = tmp;
9437 gameMode = nextGameMode;
9439 if(appData.matchPause>10000 || appData.matchPause<10)
9440 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9441 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9442 endingGame = 0; /* [HGM] crash */
9445 gameMode = nextGameMode;
9446 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9447 first.tidy, second.tidy,
9448 first.matchWins, second.matchWins,
9449 appData.matchGames - (first.matchWins + second.matchWins));
9450 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9451 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9452 first.twoMachinesColor = "black\n";
9453 second.twoMachinesColor = "white\n";
9455 first.twoMachinesColor = "white\n";
9456 second.twoMachinesColor = "black\n";
9460 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9461 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9463 gameMode = nextGameMode;
9465 endingGame = 0; /* [HGM] crash */
9466 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9467 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9468 matchMode = FALSE; appData.matchGames = matchGame = 0;
9474 /* Assumes program was just initialized (initString sent).
9475 Leaves program in force mode. */
9477 FeedMovesToProgram(cps, upto)
9478 ChessProgramState *cps;
9483 if (appData.debugMode)
9484 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9485 startedFromSetupPosition ? "position and " : "",
9486 backwardMostMove, upto, cps->which);
9487 if(currentlyInitializedVariant != gameInfo.variant) {
9489 // [HGM] variantswitch: make engine aware of new variant
9490 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9491 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9492 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9493 SendToProgram(buf, cps);
9494 currentlyInitializedVariant = gameInfo.variant;
9496 SendToProgram("force\n", cps);
9497 if (startedFromSetupPosition) {
9498 SendBoard(cps, backwardMostMove);
9499 if (appData.debugMode) {
9500 fprintf(debugFP, "feedMoves\n");
9503 for (i = backwardMostMove; i < upto; i++) {
9504 SendMoveToProgram(i, cps);
9510 ResurrectChessProgram()
9512 /* The chess program may have exited.
9513 If so, restart it and feed it all the moves made so far. */
9515 if (appData.noChessProgram || first.pr != NoProc) return;
9517 StartChessProgram(&first);
9518 InitChessProgram(&first, FALSE);
9519 FeedMovesToProgram(&first, currentMove);
9521 if (!first.sendTime) {
9522 /* can't tell gnuchess what its clock should read,
9523 so we bow to its notion. */
9525 timeRemaining[0][currentMove] = whiteTimeRemaining;
9526 timeRemaining[1][currentMove] = blackTimeRemaining;
9529 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9530 appData.icsEngineAnalyze) && first.analysisSupport) {
9531 SendToProgram("analyze\n", &first);
9532 first.analyzing = TRUE;
9545 if (appData.debugMode) {
9546 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9547 redraw, init, gameMode);
9549 CleanupTail(); // [HGM] vari: delete any stored variations
9550 pausing = pauseExamInvalid = FALSE;
9551 startedFromSetupPosition = blackPlaysFirst = FALSE;
9553 whiteFlag = blackFlag = FALSE;
9554 userOfferedDraw = FALSE;
9555 hintRequested = bookRequested = FALSE;
9556 first.maybeThinking = FALSE;
9557 second.maybeThinking = FALSE;
9558 first.bookSuspend = FALSE; // [HGM] book
9559 second.bookSuspend = FALSE;
9560 thinkOutput[0] = NULLCHAR;
9561 lastHint[0] = NULLCHAR;
9562 ClearGameInfo(&gameInfo);
9563 gameInfo.variant = StringToVariant(appData.variant);
9564 ics_user_moved = ics_clock_paused = FALSE;
9565 ics_getting_history = H_FALSE;
9567 white_holding[0] = black_holding[0] = NULLCHAR;
9568 ClearProgramStats();
9569 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9573 flipView = appData.flipView;
9574 ClearPremoveHighlights();
9576 alarmSounded = FALSE;
9578 GameEnds(EndOfFile, NULL, GE_PLAYER);
9579 if(appData.serverMovesName != NULL) {
9580 /* [HGM] prepare to make moves file for broadcasting */
9581 clock_t t = clock();
9582 if(serverMoves != NULL) fclose(serverMoves);
9583 serverMoves = fopen(appData.serverMovesName, "r");
9584 if(serverMoves != NULL) {
9585 fclose(serverMoves);
9586 /* delay 15 sec before overwriting, so all clients can see end */
9587 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9589 serverMoves = fopen(appData.serverMovesName, "w");
9593 gameMode = BeginningOfGame;
9595 if(appData.icsActive) gameInfo.variant = VariantNormal;
9596 currentMove = forwardMostMove = backwardMostMove = 0;
9597 InitPosition(redraw);
9598 for (i = 0; i < MAX_MOVES; i++) {
9599 if (commentList[i] != NULL) {
9600 free(commentList[i]);
9601 commentList[i] = NULL;
9605 timeRemaining[0][0] = whiteTimeRemaining;
9606 timeRemaining[1][0] = blackTimeRemaining;
9607 if (first.pr == NULL) {
9608 StartChessProgram(&first);
9611 InitChessProgram(&first, startedFromSetupPosition);
9614 DisplayMessage("", "");
9615 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9616 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9623 if (!AutoPlayOneMove())
9625 if (matchMode || appData.timeDelay == 0)
9627 if (appData.timeDelay < 0)
9629 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9638 int fromX, fromY, toX, toY;
9640 if (appData.debugMode) {
9641 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9644 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9647 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9648 pvInfoList[currentMove].depth = programStats.depth;
9649 pvInfoList[currentMove].score = programStats.score;
9650 pvInfoList[currentMove].time = 0;
9651 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9654 if (currentMove >= forwardMostMove) {
9655 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9656 gameMode = EditGame;
9659 /* [AS] Clear current move marker at the end of a game */
9660 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9665 toX = moveList[currentMove][2] - AAA;
9666 toY = moveList[currentMove][3] - ONE;
9668 if (moveList[currentMove][1] == '@') {
9669 if (appData.highlightLastMove) {
9670 SetHighlights(-1, -1, toX, toY);
9673 fromX = moveList[currentMove][0] - AAA;
9674 fromY = moveList[currentMove][1] - ONE;
9676 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9678 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9680 if (appData.highlightLastMove) {
9681 SetHighlights(fromX, fromY, toX, toY);
9684 DisplayMove(currentMove);
9685 SendMoveToProgram(currentMove++, &first);
9686 DisplayBothClocks();
9687 DrawPosition(FALSE, boards[currentMove]);
9688 // [HGM] PV info: always display, routine tests if empty
9689 DisplayComment(currentMove - 1, commentList[currentMove]);
9695 LoadGameOneMove(readAhead)
9696 ChessMove readAhead;
9698 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9699 char promoChar = NULLCHAR;
9704 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9705 gameMode != AnalyzeMode && gameMode != Training) {
9710 yyboardindex = forwardMostMove;
9711 if (readAhead != EndOfFile) {
9712 moveType = readAhead;
9714 if (gameFileFP == NULL)
9716 moveType = (ChessMove) Myylex();
9722 if (appData.debugMode)
9723 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9726 /* append the comment but don't display it */
9727 AppendComment(currentMove, p, FALSE);
9730 case WhiteCapturesEnPassant:
9731 case BlackCapturesEnPassant:
9732 case WhitePromotion:
9733 case BlackPromotion:
9734 case WhiteNonPromotion:
9735 case BlackNonPromotion:
9737 case WhiteKingSideCastle:
9738 case WhiteQueenSideCastle:
9739 case BlackKingSideCastle:
9740 case BlackQueenSideCastle:
9741 case WhiteKingSideCastleWild:
9742 case WhiteQueenSideCastleWild:
9743 case BlackKingSideCastleWild:
9744 case BlackQueenSideCastleWild:
9746 case WhiteHSideCastleFR:
9747 case WhiteASideCastleFR:
9748 case BlackHSideCastleFR:
9749 case BlackASideCastleFR:
9751 if (appData.debugMode)
9752 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9753 fromX = currentMoveString[0] - AAA;
9754 fromY = currentMoveString[1] - ONE;
9755 toX = currentMoveString[2] - AAA;
9756 toY = currentMoveString[3] - ONE;
9757 promoChar = currentMoveString[4];
9762 if (appData.debugMode)
9763 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9764 fromX = moveType == WhiteDrop ?
9765 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9766 (int) CharToPiece(ToLower(currentMoveString[0]));
9768 toX = currentMoveString[2] - AAA;
9769 toY = currentMoveString[3] - ONE;
9775 case GameUnfinished:
9776 if (appData.debugMode)
9777 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9778 p = strchr(yy_text, '{');
9779 if (p == NULL) p = strchr(yy_text, '(');
9782 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9784 q = strchr(p, *p == '{' ? '}' : ')');
9785 if (q != NULL) *q = NULLCHAR;
9788 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9789 GameEnds(moveType, p, GE_FILE);
9791 if (cmailMsgLoaded) {
9793 flipView = WhiteOnMove(currentMove);
9794 if (moveType == GameUnfinished) flipView = !flipView;
9795 if (appData.debugMode)
9796 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9801 if (appData.debugMode)
9802 fprintf(debugFP, "Parser hit end of file\n");
9803 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9809 if (WhiteOnMove(currentMove)) {
9810 GameEnds(BlackWins, "Black mates", GE_FILE);
9812 GameEnds(WhiteWins, "White mates", GE_FILE);
9816 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9823 if (lastLoadGameStart == GNUChessGame) {
9824 /* GNUChessGames have numbers, but they aren't move numbers */
9825 if (appData.debugMode)
9826 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9827 yy_text, (int) moveType);
9828 return LoadGameOneMove(EndOfFile); /* tail recursion */
9830 /* else fall thru */
9835 /* Reached start of next game in file */
9836 if (appData.debugMode)
9837 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9838 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9844 if (WhiteOnMove(currentMove)) {
9845 GameEnds(BlackWins, "Black mates", GE_FILE);
9847 GameEnds(WhiteWins, "White mates", GE_FILE);
9851 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9857 case PositionDiagram: /* should not happen; ignore */
9858 case ElapsedTime: /* ignore */
9859 case NAG: /* ignore */
9860 if (appData.debugMode)
9861 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9862 yy_text, (int) moveType);
9863 return LoadGameOneMove(EndOfFile); /* tail recursion */
9866 if (appData.testLegality) {
9867 if (appData.debugMode)
9868 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9869 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9870 (forwardMostMove / 2) + 1,
9871 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9872 DisplayError(move, 0);
9875 if (appData.debugMode)
9876 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9877 yy_text, currentMoveString);
9878 fromX = currentMoveString[0] - AAA;
9879 fromY = currentMoveString[1] - ONE;
9880 toX = currentMoveString[2] - AAA;
9881 toY = currentMoveString[3] - ONE;
9882 promoChar = currentMoveString[4];
9887 if (appData.debugMode)
9888 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9889 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9890 (forwardMostMove / 2) + 1,
9891 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9892 DisplayError(move, 0);
9897 case ImpossibleMove:
9898 if (appData.debugMode)
9899 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9900 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9901 (forwardMostMove / 2) + 1,
9902 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9903 DisplayError(move, 0);
9909 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9910 DrawPosition(FALSE, boards[currentMove]);
9911 DisplayBothClocks();
9912 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9913 DisplayComment(currentMove - 1, commentList[currentMove]);
9915 (void) StopLoadGameTimer();
9917 cmailOldMove = forwardMostMove;
9920 /* currentMoveString is set as a side-effect of yylex */
9922 thinkOutput[0] = NULLCHAR;
9923 MakeMove(fromX, fromY, toX, toY, promoChar);
9924 currentMove = forwardMostMove;
9929 /* Load the nth game from the given file */
9931 LoadGameFromFile(filename, n, title, useList)
9935 /*Boolean*/ int useList;
9940 if (strcmp(filename, "-") == 0) {
9944 f = fopen(filename, "rb");
9946 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9947 DisplayError(buf, errno);
9951 if (fseek(f, 0, 0) == -1) {
9952 /* f is not seekable; probably a pipe */
9955 if (useList && n == 0) {
9956 int error = GameListBuild(f);
9958 DisplayError(_("Cannot build game list"), error);
9959 } else if (!ListEmpty(&gameList) &&
9960 ((ListGame *) gameList.tailPred)->number > 1) {
9961 GameListPopUp(f, title);
9968 return LoadGame(f, n, title, FALSE);
9973 MakeRegisteredMove()
9975 int fromX, fromY, toX, toY;
9977 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9978 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9981 if (appData.debugMode)
9982 fprintf(debugFP, "Restoring %s for game %d\n",
9983 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9985 thinkOutput[0] = NULLCHAR;
9986 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9987 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9988 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9989 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9990 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9991 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9992 MakeMove(fromX, fromY, toX, toY, promoChar);
9993 ShowMove(fromX, fromY, toX, toY);
9995 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10002 if (WhiteOnMove(currentMove)) {
10003 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10005 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10010 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10017 if (WhiteOnMove(currentMove)) {
10018 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10020 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10025 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10036 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10038 CmailLoadGame(f, gameNumber, title, useList)
10046 if (gameNumber > nCmailGames) {
10047 DisplayError(_("No more games in this message"), 0);
10050 if (f == lastLoadGameFP) {
10051 int offset = gameNumber - lastLoadGameNumber;
10053 cmailMsg[0] = NULLCHAR;
10054 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10055 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10056 nCmailMovesRegistered--;
10058 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10059 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10060 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10063 if (! RegisterMove()) return FALSE;
10067 retVal = LoadGame(f, gameNumber, title, useList);
10069 /* Make move registered during previous look at this game, if any */
10070 MakeRegisteredMove();
10072 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10073 commentList[currentMove]
10074 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10075 DisplayComment(currentMove - 1, commentList[currentMove]);
10081 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10086 int gameNumber = lastLoadGameNumber + offset;
10087 if (lastLoadGameFP == NULL) {
10088 DisplayError(_("No game has been loaded yet"), 0);
10091 if (gameNumber <= 0) {
10092 DisplayError(_("Can't back up any further"), 0);
10095 if (cmailMsgLoaded) {
10096 return CmailLoadGame(lastLoadGameFP, gameNumber,
10097 lastLoadGameTitle, lastLoadGameUseList);
10099 return LoadGame(lastLoadGameFP, gameNumber,
10100 lastLoadGameTitle, lastLoadGameUseList);
10106 /* Load the nth game from open file f */
10108 LoadGame(f, gameNumber, title, useList)
10116 int gn = gameNumber;
10117 ListGame *lg = NULL;
10118 int numPGNTags = 0;
10120 GameMode oldGameMode;
10121 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10123 if (appData.debugMode)
10124 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10126 if (gameMode == Training )
10127 SetTrainingModeOff();
10129 oldGameMode = gameMode;
10130 if (gameMode != BeginningOfGame) {
10131 Reset(FALSE, TRUE);
10135 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10136 fclose(lastLoadGameFP);
10140 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10143 fseek(f, lg->offset, 0);
10144 GameListHighlight(gameNumber);
10148 DisplayError(_("Game number out of range"), 0);
10153 if (fseek(f, 0, 0) == -1) {
10154 if (f == lastLoadGameFP ?
10155 gameNumber == lastLoadGameNumber + 1 :
10159 DisplayError(_("Can't seek on game file"), 0);
10164 lastLoadGameFP = f;
10165 lastLoadGameNumber = gameNumber;
10166 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10167 lastLoadGameUseList = useList;
10171 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10172 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10173 lg->gameInfo.black);
10175 } else if (*title != NULLCHAR) {
10176 if (gameNumber > 1) {
10177 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10180 DisplayTitle(title);
10184 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10185 gameMode = PlayFromGameFile;
10189 currentMove = forwardMostMove = backwardMostMove = 0;
10190 CopyBoard(boards[0], initialPosition);
10194 * Skip the first gn-1 games in the file.
10195 * Also skip over anything that precedes an identifiable
10196 * start of game marker, to avoid being confused by
10197 * garbage at the start of the file. Currently
10198 * recognized start of game markers are the move number "1",
10199 * the pattern "gnuchess .* game", the pattern
10200 * "^[#;%] [^ ]* game file", and a PGN tag block.
10201 * A game that starts with one of the latter two patterns
10202 * will also have a move number 1, possibly
10203 * following a position diagram.
10204 * 5-4-02: Let's try being more lenient and allowing a game to
10205 * start with an unnumbered move. Does that break anything?
10207 cm = lastLoadGameStart = EndOfFile;
10209 yyboardindex = forwardMostMove;
10210 cm = (ChessMove) Myylex();
10213 if (cmailMsgLoaded) {
10214 nCmailGames = CMAIL_MAX_GAMES - gn;
10217 DisplayError(_("Game not found in file"), 0);
10224 lastLoadGameStart = cm;
10227 case MoveNumberOne:
10228 switch (lastLoadGameStart) {
10233 case MoveNumberOne:
10235 gn--; /* count this game */
10236 lastLoadGameStart = cm;
10245 switch (lastLoadGameStart) {
10248 case MoveNumberOne:
10250 gn--; /* count this game */
10251 lastLoadGameStart = cm;
10254 lastLoadGameStart = cm; /* game counted already */
10262 yyboardindex = forwardMostMove;
10263 cm = (ChessMove) Myylex();
10264 } while (cm == PGNTag || cm == Comment);
10271 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10272 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10273 != CMAIL_OLD_RESULT) {
10275 cmailResult[ CMAIL_MAX_GAMES
10276 - gn - 1] = CMAIL_OLD_RESULT;
10282 /* Only a NormalMove can be at the start of a game
10283 * without a position diagram. */
10284 if (lastLoadGameStart == EndOfFile ) {
10286 lastLoadGameStart = MoveNumberOne;
10295 if (appData.debugMode)
10296 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10298 if (cm == XBoardGame) {
10299 /* Skip any header junk before position diagram and/or move 1 */
10301 yyboardindex = forwardMostMove;
10302 cm = (ChessMove) Myylex();
10304 if (cm == EndOfFile ||
10305 cm == GNUChessGame || cm == XBoardGame) {
10306 /* Empty game; pretend end-of-file and handle later */
10311 if (cm == MoveNumberOne || cm == PositionDiagram ||
10312 cm == PGNTag || cm == Comment)
10315 } else if (cm == GNUChessGame) {
10316 if (gameInfo.event != NULL) {
10317 free(gameInfo.event);
10319 gameInfo.event = StrSave(yy_text);
10322 startedFromSetupPosition = FALSE;
10323 while (cm == PGNTag) {
10324 if (appData.debugMode)
10325 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10326 err = ParsePGNTag(yy_text, &gameInfo);
10327 if (!err) numPGNTags++;
10329 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10330 if(gameInfo.variant != oldVariant) {
10331 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10332 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10333 InitPosition(TRUE);
10334 oldVariant = gameInfo.variant;
10335 if (appData.debugMode)
10336 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10340 if (gameInfo.fen != NULL) {
10341 Board initial_position;
10342 startedFromSetupPosition = TRUE;
10343 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10345 DisplayError(_("Bad FEN position in file"), 0);
10348 CopyBoard(boards[0], initial_position);
10349 if (blackPlaysFirst) {
10350 currentMove = forwardMostMove = backwardMostMove = 1;
10351 CopyBoard(boards[1], initial_position);
10352 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10353 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10354 timeRemaining[0][1] = whiteTimeRemaining;
10355 timeRemaining[1][1] = blackTimeRemaining;
10356 if (commentList[0] != NULL) {
10357 commentList[1] = commentList[0];
10358 commentList[0] = NULL;
10361 currentMove = forwardMostMove = backwardMostMove = 0;
10363 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10365 initialRulePlies = FENrulePlies;
10366 for( i=0; i< nrCastlingRights; i++ )
10367 initialRights[i] = initial_position[CASTLING][i];
10369 yyboardindex = forwardMostMove;
10370 free(gameInfo.fen);
10371 gameInfo.fen = NULL;
10374 yyboardindex = forwardMostMove;
10375 cm = (ChessMove) Myylex();
10377 /* Handle comments interspersed among the tags */
10378 while (cm == Comment) {
10380 if (appData.debugMode)
10381 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10383 AppendComment(currentMove, p, FALSE);
10384 yyboardindex = forwardMostMove;
10385 cm = (ChessMove) Myylex();
10389 /* don't rely on existence of Event tag since if game was
10390 * pasted from clipboard the Event tag may not exist
10392 if (numPGNTags > 0){
10394 if (gameInfo.variant == VariantNormal) {
10395 VariantClass v = StringToVariant(gameInfo.event);
10396 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10397 if(v < VariantShogi) gameInfo.variant = v;
10400 if( appData.autoDisplayTags ) {
10401 tags = PGNTags(&gameInfo);
10402 TagsPopUp(tags, CmailMsg());
10407 /* Make something up, but don't display it now */
10412 if (cm == PositionDiagram) {
10415 Board initial_position;
10417 if (appData.debugMode)
10418 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10420 if (!startedFromSetupPosition) {
10422 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10423 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10434 initial_position[i][j++] = CharToPiece(*p);
10437 while (*p == ' ' || *p == '\t' ||
10438 *p == '\n' || *p == '\r') p++;
10440 if (strncmp(p, "black", strlen("black"))==0)
10441 blackPlaysFirst = TRUE;
10443 blackPlaysFirst = FALSE;
10444 startedFromSetupPosition = TRUE;
10446 CopyBoard(boards[0], initial_position);
10447 if (blackPlaysFirst) {
10448 currentMove = forwardMostMove = backwardMostMove = 1;
10449 CopyBoard(boards[1], initial_position);
10450 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10451 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10452 timeRemaining[0][1] = whiteTimeRemaining;
10453 timeRemaining[1][1] = blackTimeRemaining;
10454 if (commentList[0] != NULL) {
10455 commentList[1] = commentList[0];
10456 commentList[0] = NULL;
10459 currentMove = forwardMostMove = backwardMostMove = 0;
10462 yyboardindex = forwardMostMove;
10463 cm = (ChessMove) Myylex();
10466 if (first.pr == NoProc) {
10467 StartChessProgram(&first);
10469 InitChessProgram(&first, FALSE);
10470 SendToProgram("force\n", &first);
10471 if (startedFromSetupPosition) {
10472 SendBoard(&first, forwardMostMove);
10473 if (appData.debugMode) {
10474 fprintf(debugFP, "Load Game\n");
10476 DisplayBothClocks();
10479 /* [HGM] server: flag to write setup moves in broadcast file as one */
10480 loadFlag = appData.suppressLoadMoves;
10482 while (cm == Comment) {
10484 if (appData.debugMode)
10485 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10487 AppendComment(currentMove, p, FALSE);
10488 yyboardindex = forwardMostMove;
10489 cm = (ChessMove) Myylex();
10492 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10493 cm == WhiteWins || cm == BlackWins ||
10494 cm == GameIsDrawn || cm == GameUnfinished) {
10495 DisplayMessage("", _("No moves in game"));
10496 if (cmailMsgLoaded) {
10497 if (appData.debugMode)
10498 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10502 DrawPosition(FALSE, boards[currentMove]);
10503 DisplayBothClocks();
10504 gameMode = EditGame;
10511 // [HGM] PV info: routine tests if comment empty
10512 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10513 DisplayComment(currentMove - 1, commentList[currentMove]);
10515 if (!matchMode && appData.timeDelay != 0)
10516 DrawPosition(FALSE, boards[currentMove]);
10518 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10519 programStats.ok_to_send = 1;
10522 /* if the first token after the PGN tags is a move
10523 * and not move number 1, retrieve it from the parser
10525 if (cm != MoveNumberOne)
10526 LoadGameOneMove(cm);
10528 /* load the remaining moves from the file */
10529 while (LoadGameOneMove(EndOfFile)) {
10530 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10531 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10534 /* rewind to the start of the game */
10535 currentMove = backwardMostMove;
10537 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10539 if (oldGameMode == AnalyzeFile ||
10540 oldGameMode == AnalyzeMode) {
10541 AnalyzeFileEvent();
10544 if (matchMode || appData.timeDelay == 0) {
10546 gameMode = EditGame;
10548 } else if (appData.timeDelay > 0) {
10549 AutoPlayGameLoop();
10552 if (appData.debugMode)
10553 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10555 loadFlag = 0; /* [HGM] true game starts */
10559 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10561 ReloadPosition(offset)
10564 int positionNumber = lastLoadPositionNumber + offset;
10565 if (lastLoadPositionFP == NULL) {
10566 DisplayError(_("No position has been loaded yet"), 0);
10569 if (positionNumber <= 0) {
10570 DisplayError(_("Can't back up any further"), 0);
10573 return LoadPosition(lastLoadPositionFP, positionNumber,
10574 lastLoadPositionTitle);
10577 /* Load the nth position from the given file */
10579 LoadPositionFromFile(filename, n, title)
10587 if (strcmp(filename, "-") == 0) {
10588 return LoadPosition(stdin, n, "stdin");
10590 f = fopen(filename, "rb");
10592 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10593 DisplayError(buf, errno);
10596 return LoadPosition(f, n, title);
10601 /* Load the nth position from the given open file, and close it */
10603 LoadPosition(f, positionNumber, title)
10605 int positionNumber;
10608 char *p, line[MSG_SIZ];
10609 Board initial_position;
10610 int i, j, fenMode, pn;
10612 if (gameMode == Training )
10613 SetTrainingModeOff();
10615 if (gameMode != BeginningOfGame) {
10616 Reset(FALSE, TRUE);
10618 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10619 fclose(lastLoadPositionFP);
10621 if (positionNumber == 0) positionNumber = 1;
10622 lastLoadPositionFP = f;
10623 lastLoadPositionNumber = positionNumber;
10624 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10625 if (first.pr == NoProc) {
10626 StartChessProgram(&first);
10627 InitChessProgram(&first, FALSE);
10629 pn = positionNumber;
10630 if (positionNumber < 0) {
10631 /* Negative position number means to seek to that byte offset */
10632 if (fseek(f, -positionNumber, 0) == -1) {
10633 DisplayError(_("Can't seek on position file"), 0);
10638 if (fseek(f, 0, 0) == -1) {
10639 if (f == lastLoadPositionFP ?
10640 positionNumber == lastLoadPositionNumber + 1 :
10641 positionNumber == 1) {
10644 DisplayError(_("Can't seek on position file"), 0);
10649 /* See if this file is FEN or old-style xboard */
10650 if (fgets(line, MSG_SIZ, f) == NULL) {
10651 DisplayError(_("Position not found in file"), 0);
10654 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10655 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10658 if (fenMode || line[0] == '#') pn--;
10660 /* skip positions before number pn */
10661 if (fgets(line, MSG_SIZ, f) == NULL) {
10663 DisplayError(_("Position not found in file"), 0);
10666 if (fenMode || line[0] == '#') pn--;
10671 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10672 DisplayError(_("Bad FEN position in file"), 0);
10676 (void) fgets(line, MSG_SIZ, f);
10677 (void) fgets(line, MSG_SIZ, f);
10679 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10680 (void) fgets(line, MSG_SIZ, f);
10681 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10684 initial_position[i][j++] = CharToPiece(*p);
10688 blackPlaysFirst = FALSE;
10690 (void) fgets(line, MSG_SIZ, f);
10691 if (strncmp(line, "black", strlen("black"))==0)
10692 blackPlaysFirst = TRUE;
10695 startedFromSetupPosition = TRUE;
10697 SendToProgram("force\n", &first);
10698 CopyBoard(boards[0], initial_position);
10699 if (blackPlaysFirst) {
10700 currentMove = forwardMostMove = backwardMostMove = 1;
10701 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10702 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10703 CopyBoard(boards[1], initial_position);
10704 DisplayMessage("", _("Black to play"));
10706 currentMove = forwardMostMove = backwardMostMove = 0;
10707 DisplayMessage("", _("White to play"));
10709 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10710 SendBoard(&first, forwardMostMove);
10711 if (appData.debugMode) {
10713 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10714 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10715 fprintf(debugFP, "Load Position\n");
10718 if (positionNumber > 1) {
10719 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10720 DisplayTitle(line);
10722 DisplayTitle(title);
10724 gameMode = EditGame;
10727 timeRemaining[0][1] = whiteTimeRemaining;
10728 timeRemaining[1][1] = blackTimeRemaining;
10729 DrawPosition(FALSE, boards[currentMove]);
10736 CopyPlayerNameIntoFileName(dest, src)
10739 while (*src != NULLCHAR && *src != ',') {
10744 *(*dest)++ = *src++;
10749 char *DefaultFileName(ext)
10752 static char def[MSG_SIZ];
10755 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10757 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10759 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10761 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10768 /* Save the current game to the given file */
10770 SaveGameToFile(filename, append)
10777 if (strcmp(filename, "-") == 0) {
10778 return SaveGame(stdout, 0, NULL);
10780 f = fopen(filename, append ? "a" : "w");
10782 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10783 DisplayError(buf, errno);
10786 return SaveGame(f, 0, NULL);
10795 static char buf[MSG_SIZ];
10798 p = strchr(str, ' ');
10799 if (p == NULL) return str;
10800 strncpy(buf, str, p - str);
10801 buf[p - str] = NULLCHAR;
10805 #define PGN_MAX_LINE 75
10807 #define PGN_SIDE_WHITE 0
10808 #define PGN_SIDE_BLACK 1
10811 static int FindFirstMoveOutOfBook( int side )
10815 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10816 int index = backwardMostMove;
10817 int has_book_hit = 0;
10819 if( (index % 2) != side ) {
10823 while( index < forwardMostMove ) {
10824 /* Check to see if engine is in book */
10825 int depth = pvInfoList[index].depth;
10826 int score = pvInfoList[index].score;
10832 else if( score == 0 && depth == 63 ) {
10833 in_book = 1; /* Zappa */
10835 else if( score == 2 && depth == 99 ) {
10836 in_book = 1; /* Abrok */
10839 has_book_hit += in_book;
10855 void GetOutOfBookInfo( char * buf )
10859 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10861 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10862 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10866 if( oob[0] >= 0 || oob[1] >= 0 ) {
10867 for( i=0; i<2; i++ ) {
10871 if( i > 0 && oob[0] >= 0 ) {
10872 strcat( buf, " " );
10875 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10876 sprintf( buf+strlen(buf), "%s%.2f",
10877 pvInfoList[idx].score >= 0 ? "+" : "",
10878 pvInfoList[idx].score / 100.0 );
10884 /* Save game in PGN style and close the file */
10889 int i, offset, linelen, newblock;
10893 int movelen, numlen, blank;
10894 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10896 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10898 tm = time((time_t *) NULL);
10900 PrintPGNTags(f, &gameInfo);
10902 if (backwardMostMove > 0 || startedFromSetupPosition) {
10903 char *fen = PositionToFEN(backwardMostMove, NULL);
10904 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10905 fprintf(f, "\n{--------------\n");
10906 PrintPosition(f, backwardMostMove);
10907 fprintf(f, "--------------}\n");
10911 /* [AS] Out of book annotation */
10912 if( appData.saveOutOfBookInfo ) {
10915 GetOutOfBookInfo( buf );
10917 if( buf[0] != '\0' ) {
10918 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10925 i = backwardMostMove;
10929 while (i < forwardMostMove) {
10930 /* Print comments preceding this move */
10931 if (commentList[i] != NULL) {
10932 if (linelen > 0) fprintf(f, "\n");
10933 fprintf(f, "%s", commentList[i]);
10938 /* Format move number */
10940 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10943 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10945 numtext[0] = NULLCHAR;
10947 numlen = strlen(numtext);
10950 /* Print move number */
10951 blank = linelen > 0 && numlen > 0;
10952 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10961 fprintf(f, "%s", numtext);
10965 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10966 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10969 blank = linelen > 0 && movelen > 0;
10970 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10979 fprintf(f, "%s", move_buffer);
10980 linelen += movelen;
10982 /* [AS] Add PV info if present */
10983 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10984 /* [HGM] add time */
10985 char buf[MSG_SIZ]; int seconds;
10987 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10993 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10996 seconds = (seconds + 4)/10; // round to full seconds
10998 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11000 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11003 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11004 pvInfoList[i].score >= 0 ? "+" : "",
11005 pvInfoList[i].score / 100.0,
11006 pvInfoList[i].depth,
11009 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11011 /* Print score/depth */
11012 blank = linelen > 0 && movelen > 0;
11013 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11022 fprintf(f, "%s", move_buffer);
11023 linelen += movelen;
11029 /* Start a new line */
11030 if (linelen > 0) fprintf(f, "\n");
11032 /* Print comments after last move */
11033 if (commentList[i] != NULL) {
11034 fprintf(f, "%s\n", commentList[i]);
11038 if (gameInfo.resultDetails != NULL &&
11039 gameInfo.resultDetails[0] != NULLCHAR) {
11040 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11041 PGNResult(gameInfo.result));
11043 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11047 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11051 /* Save game in old style and close the file */
11053 SaveGameOldStyle(f)
11059 tm = time((time_t *) NULL);
11061 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11064 if (backwardMostMove > 0 || startedFromSetupPosition) {
11065 fprintf(f, "\n[--------------\n");
11066 PrintPosition(f, backwardMostMove);
11067 fprintf(f, "--------------]\n");
11072 i = backwardMostMove;
11073 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11075 while (i < forwardMostMove) {
11076 if (commentList[i] != NULL) {
11077 fprintf(f, "[%s]\n", commentList[i]);
11080 if ((i % 2) == 1) {
11081 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11084 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11086 if (commentList[i] != NULL) {
11090 if (i >= forwardMostMove) {
11094 fprintf(f, "%s\n", parseList[i]);
11099 if (commentList[i] != NULL) {
11100 fprintf(f, "[%s]\n", commentList[i]);
11103 /* This isn't really the old style, but it's close enough */
11104 if (gameInfo.resultDetails != NULL &&
11105 gameInfo.resultDetails[0] != NULLCHAR) {
11106 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11107 gameInfo.resultDetails);
11109 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11116 /* Save the current game to open file f and close the file */
11118 SaveGame(f, dummy, dummy2)
11123 if (gameMode == EditPosition) EditPositionDone(TRUE);
11124 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11125 if (appData.oldSaveStyle)
11126 return SaveGameOldStyle(f);
11128 return SaveGamePGN(f);
11131 /* Save the current position to the given file */
11133 SavePositionToFile(filename)
11139 if (strcmp(filename, "-") == 0) {
11140 return SavePosition(stdout, 0, NULL);
11142 f = fopen(filename, "a");
11144 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11145 DisplayError(buf, errno);
11148 SavePosition(f, 0, NULL);
11154 /* Save the current position to the given open file and close the file */
11156 SavePosition(f, dummy, dummy2)
11164 if (gameMode == EditPosition) EditPositionDone(TRUE);
11165 if (appData.oldSaveStyle) {
11166 tm = time((time_t *) NULL);
11168 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11170 fprintf(f, "[--------------\n");
11171 PrintPosition(f, currentMove);
11172 fprintf(f, "--------------]\n");
11174 fen = PositionToFEN(currentMove, NULL);
11175 fprintf(f, "%s\n", fen);
11183 ReloadCmailMsgEvent(unregister)
11187 static char *inFilename = NULL;
11188 static char *outFilename;
11190 struct stat inbuf, outbuf;
11193 /* Any registered moves are unregistered if unregister is set, */
11194 /* i.e. invoked by the signal handler */
11196 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11197 cmailMoveRegistered[i] = FALSE;
11198 if (cmailCommentList[i] != NULL) {
11199 free(cmailCommentList[i]);
11200 cmailCommentList[i] = NULL;
11203 nCmailMovesRegistered = 0;
11206 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11207 cmailResult[i] = CMAIL_NOT_RESULT;
11211 if (inFilename == NULL) {
11212 /* Because the filenames are static they only get malloced once */
11213 /* and they never get freed */
11214 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11215 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11217 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11218 sprintf(outFilename, "%s.out", appData.cmailGameName);
11221 status = stat(outFilename, &outbuf);
11223 cmailMailedMove = FALSE;
11225 status = stat(inFilename, &inbuf);
11226 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11229 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11230 counts the games, notes how each one terminated, etc.
11232 It would be nice to remove this kludge and instead gather all
11233 the information while building the game list. (And to keep it
11234 in the game list nodes instead of having a bunch of fixed-size
11235 parallel arrays.) Note this will require getting each game's
11236 termination from the PGN tags, as the game list builder does
11237 not process the game moves. --mann
11239 cmailMsgLoaded = TRUE;
11240 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11242 /* Load first game in the file or popup game menu */
11243 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11245 #endif /* !WIN32 */
11253 char string[MSG_SIZ];
11255 if ( cmailMailedMove
11256 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11257 return TRUE; /* Allow free viewing */
11260 /* Unregister move to ensure that we don't leave RegisterMove */
11261 /* with the move registered when the conditions for registering no */
11263 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11264 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11265 nCmailMovesRegistered --;
11267 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11269 free(cmailCommentList[lastLoadGameNumber - 1]);
11270 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11274 if (cmailOldMove == -1) {
11275 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11279 if (currentMove > cmailOldMove + 1) {
11280 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11284 if (currentMove < cmailOldMove) {
11285 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11289 if (forwardMostMove > currentMove) {
11290 /* Silently truncate extra moves */
11294 if ( (currentMove == cmailOldMove + 1)
11295 || ( (currentMove == cmailOldMove)
11296 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11297 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11298 if (gameInfo.result != GameUnfinished) {
11299 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11302 if (commentList[currentMove] != NULL) {
11303 cmailCommentList[lastLoadGameNumber - 1]
11304 = StrSave(commentList[currentMove]);
11306 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11308 if (appData.debugMode)
11309 fprintf(debugFP, "Saving %s for game %d\n",
11310 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11312 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11314 f = fopen(string, "w");
11315 if (appData.oldSaveStyle) {
11316 SaveGameOldStyle(f); /* also closes the file */
11318 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11319 f = fopen(string, "w");
11320 SavePosition(f, 0, NULL); /* also closes the file */
11322 fprintf(f, "{--------------\n");
11323 PrintPosition(f, currentMove);
11324 fprintf(f, "--------------}\n\n");
11326 SaveGame(f, 0, NULL); /* also closes the file*/
11329 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11330 nCmailMovesRegistered ++;
11331 } else if (nCmailGames == 1) {
11332 DisplayError(_("You have not made a move yet"), 0);
11343 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11344 FILE *commandOutput;
11345 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11346 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11352 if (! cmailMsgLoaded) {
11353 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11357 if (nCmailGames == nCmailResults) {
11358 DisplayError(_("No unfinished games"), 0);
11362 #if CMAIL_PROHIBIT_REMAIL
11363 if (cmailMailedMove) {
11364 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);
11365 DisplayError(msg, 0);
11370 if (! (cmailMailedMove || RegisterMove())) return;
11372 if ( cmailMailedMove
11373 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11374 snprintf(string, MSG_SIZ, partCommandString,
11375 appData.debugMode ? " -v" : "", appData.cmailGameName);
11376 commandOutput = popen(string, "r");
11378 if (commandOutput == NULL) {
11379 DisplayError(_("Failed to invoke cmail"), 0);
11381 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11382 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11384 if (nBuffers > 1) {
11385 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11386 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11387 nBytes = MSG_SIZ - 1;
11389 (void) memcpy(msg, buffer, nBytes);
11391 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11393 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11394 cmailMailedMove = TRUE; /* Prevent >1 moves */
11397 for (i = 0; i < nCmailGames; i ++) {
11398 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11403 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11405 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11407 appData.cmailGameName,
11409 LoadGameFromFile(buffer, 1, buffer, FALSE);
11410 cmailMsgLoaded = FALSE;
11414 DisplayInformation(msg);
11415 pclose(commandOutput);
11418 if ((*cmailMsg) != '\0') {
11419 DisplayInformation(cmailMsg);
11424 #endif /* !WIN32 */
11433 int prependComma = 0;
11435 char string[MSG_SIZ]; /* Space for game-list */
11438 if (!cmailMsgLoaded) return "";
11440 if (cmailMailedMove) {
11441 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11443 /* Create a list of games left */
11444 snprintf(string, MSG_SIZ, "[");
11445 for (i = 0; i < nCmailGames; i ++) {
11446 if (! ( cmailMoveRegistered[i]
11447 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11448 if (prependComma) {
11449 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11451 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11455 strcat(string, number);
11458 strcat(string, "]");
11460 if (nCmailMovesRegistered + nCmailResults == 0) {
11461 switch (nCmailGames) {
11463 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11467 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11471 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11476 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11478 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11483 if (nCmailResults == nCmailGames) {
11484 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11486 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11491 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11503 if (gameMode == Training)
11504 SetTrainingModeOff();
11507 cmailMsgLoaded = FALSE;
11508 if (appData.icsActive) {
11509 SendToICS(ics_prefix);
11510 SendToICS("refresh\n");
11520 /* Give up on clean exit */
11524 /* Keep trying for clean exit */
11528 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11530 if (telnetISR != NULL) {
11531 RemoveInputSource(telnetISR);
11533 if (icsPR != NoProc) {
11534 DestroyChildProcess(icsPR, TRUE);
11537 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11538 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11540 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11541 /* make sure this other one finishes before killing it! */
11542 if(endingGame) { int count = 0;
11543 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11544 while(endingGame && count++ < 10) DoSleep(1);
11545 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11548 /* Kill off chess programs */
11549 if (first.pr != NoProc) {
11552 DoSleep( appData.delayBeforeQuit );
11553 SendToProgram("quit\n", &first);
11554 DoSleep( appData.delayAfterQuit );
11555 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11557 if (second.pr != NoProc) {
11558 DoSleep( appData.delayBeforeQuit );
11559 SendToProgram("quit\n", &second);
11560 DoSleep( appData.delayAfterQuit );
11561 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11563 if (first.isr != NULL) {
11564 RemoveInputSource(first.isr);
11566 if (second.isr != NULL) {
11567 RemoveInputSource(second.isr);
11570 ShutDownFrontEnd();
11577 if (appData.debugMode)
11578 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11582 if (gameMode == MachinePlaysWhite ||
11583 gameMode == MachinePlaysBlack) {
11586 DisplayBothClocks();
11588 if (gameMode == PlayFromGameFile) {
11589 if (appData.timeDelay >= 0)
11590 AutoPlayGameLoop();
11591 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11592 Reset(FALSE, TRUE);
11593 SendToICS(ics_prefix);
11594 SendToICS("refresh\n");
11595 } else if (currentMove < forwardMostMove) {
11596 ForwardInner(forwardMostMove);
11598 pauseExamInvalid = FALSE;
11600 switch (gameMode) {
11604 pauseExamForwardMostMove = forwardMostMove;
11605 pauseExamInvalid = FALSE;
11608 case IcsPlayingWhite:
11609 case IcsPlayingBlack:
11613 case PlayFromGameFile:
11614 (void) StopLoadGameTimer();
11618 case BeginningOfGame:
11619 if (appData.icsActive) return;
11620 /* else fall through */
11621 case MachinePlaysWhite:
11622 case MachinePlaysBlack:
11623 case TwoMachinesPlay:
11624 if (forwardMostMove == 0)
11625 return; /* don't pause if no one has moved */
11626 if ((gameMode == MachinePlaysWhite &&
11627 !WhiteOnMove(forwardMostMove)) ||
11628 (gameMode == MachinePlaysBlack &&
11629 WhiteOnMove(forwardMostMove))) {
11642 char title[MSG_SIZ];
11644 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11645 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11647 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11648 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11649 parseList[currentMove - 1]);
11652 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11659 char *tags = PGNTags(&gameInfo);
11660 EditTagsPopUp(tags, NULL);
11667 if (appData.noChessProgram || gameMode == AnalyzeMode)
11670 if (gameMode != AnalyzeFile) {
11671 if (!appData.icsEngineAnalyze) {
11673 if (gameMode != EditGame) return;
11675 ResurrectChessProgram();
11676 SendToProgram("analyze\n", &first);
11677 first.analyzing = TRUE;
11678 /*first.maybeThinking = TRUE;*/
11679 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11680 EngineOutputPopUp();
11682 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11687 StartAnalysisClock();
11688 GetTimeMark(&lastNodeCountTime);
11695 if (appData.noChessProgram || gameMode == AnalyzeFile)
11698 if (gameMode != AnalyzeMode) {
11700 if (gameMode != EditGame) return;
11701 ResurrectChessProgram();
11702 SendToProgram("analyze\n", &first);
11703 first.analyzing = TRUE;
11704 /*first.maybeThinking = TRUE;*/
11705 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11706 EngineOutputPopUp();
11708 gameMode = AnalyzeFile;
11713 StartAnalysisClock();
11714 GetTimeMark(&lastNodeCountTime);
11719 MachineWhiteEvent()
11722 char *bookHit = NULL;
11724 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11728 if (gameMode == PlayFromGameFile ||
11729 gameMode == TwoMachinesPlay ||
11730 gameMode == Training ||
11731 gameMode == AnalyzeMode ||
11732 gameMode == EndOfGame)
11735 if (gameMode == EditPosition)
11736 EditPositionDone(TRUE);
11738 if (!WhiteOnMove(currentMove)) {
11739 DisplayError(_("It is not White's turn"), 0);
11743 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11746 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11747 gameMode == AnalyzeFile)
11750 ResurrectChessProgram(); /* in case it isn't running */
11751 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11752 gameMode = MachinePlaysWhite;
11755 gameMode = MachinePlaysWhite;
11759 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11761 if (first.sendName) {
11762 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11763 SendToProgram(buf, &first);
11765 if (first.sendTime) {
11766 if (first.useColors) {
11767 SendToProgram("black\n", &first); /*gnu kludge*/
11769 SendTimeRemaining(&first, TRUE);
11771 if (first.useColors) {
11772 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11774 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11775 SetMachineThinkingEnables();
11776 first.maybeThinking = TRUE;
11780 if (appData.autoFlipView && !flipView) {
11781 flipView = !flipView;
11782 DrawPosition(FALSE, NULL);
11783 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11786 if(bookHit) { // [HGM] book: simulate book reply
11787 static char bookMove[MSG_SIZ]; // a bit generous?
11789 programStats.nodes = programStats.depth = programStats.time =
11790 programStats.score = programStats.got_only_move = 0;
11791 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11793 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11794 strcat(bookMove, bookHit);
11795 HandleMachineMove(bookMove, &first);
11800 MachineBlackEvent()
11803 char *bookHit = NULL;
11805 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11809 if (gameMode == PlayFromGameFile ||
11810 gameMode == TwoMachinesPlay ||
11811 gameMode == Training ||
11812 gameMode == AnalyzeMode ||
11813 gameMode == EndOfGame)
11816 if (gameMode == EditPosition)
11817 EditPositionDone(TRUE);
11819 if (WhiteOnMove(currentMove)) {
11820 DisplayError(_("It is not Black's turn"), 0);
11824 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11827 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11828 gameMode == AnalyzeFile)
11831 ResurrectChessProgram(); /* in case it isn't running */
11832 gameMode = MachinePlaysBlack;
11836 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11838 if (first.sendName) {
11839 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11840 SendToProgram(buf, &first);
11842 if (first.sendTime) {
11843 if (first.useColors) {
11844 SendToProgram("white\n", &first); /*gnu kludge*/
11846 SendTimeRemaining(&first, FALSE);
11848 if (first.useColors) {
11849 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11851 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11852 SetMachineThinkingEnables();
11853 first.maybeThinking = TRUE;
11856 if (appData.autoFlipView && flipView) {
11857 flipView = !flipView;
11858 DrawPosition(FALSE, NULL);
11859 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11861 if(bookHit) { // [HGM] book: simulate book reply
11862 static char bookMove[MSG_SIZ]; // a bit generous?
11864 programStats.nodes = programStats.depth = programStats.time =
11865 programStats.score = programStats.got_only_move = 0;
11866 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11868 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11869 strcat(bookMove, bookHit);
11870 HandleMachineMove(bookMove, &first);
11876 DisplayTwoMachinesTitle()
11879 if (appData.matchGames > 0) {
11880 if (first.twoMachinesColor[0] == 'w') {
11881 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11882 gameInfo.white, gameInfo.black,
11883 first.matchWins, second.matchWins,
11884 matchGame - 1 - (first.matchWins + second.matchWins));
11886 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11887 gameInfo.white, gameInfo.black,
11888 second.matchWins, first.matchWins,
11889 matchGame - 1 - (first.matchWins + second.matchWins));
11892 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11898 SettingsMenuIfReady()
11900 if (second.lastPing != second.lastPong) {
11901 DisplayMessage("", _("Waiting for second chess program"));
11902 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11906 DisplayMessage("", "");
11907 SettingsPopUp(&second);
11911 WaitForSecond(DelayedEventCallback retry)
11913 if (second.pr == NULL) {
11914 StartChessProgram(&second);
11915 if (second.protocolVersion == 1) {
11918 /* kludge: allow timeout for initial "feature" command */
11920 DisplayMessage("", _("Starting second chess program"));
11921 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11929 TwoMachinesEvent P((void))
11933 ChessProgramState *onmove;
11934 char *bookHit = NULL;
11936 if (appData.noChessProgram) return;
11938 switch (gameMode) {
11939 case TwoMachinesPlay:
11941 case MachinePlaysWhite:
11942 case MachinePlaysBlack:
11943 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11944 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11948 case BeginningOfGame:
11949 case PlayFromGameFile:
11952 if (gameMode != EditGame) return;
11955 EditPositionDone(TRUE);
11966 // forwardMostMove = currentMove;
11967 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11968 ResurrectChessProgram(); /* in case first program isn't running */
11970 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11971 DisplayMessage("", "");
11972 InitChessProgram(&second, FALSE);
11973 SendToProgram("force\n", &second);
11974 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11975 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11978 if (startedFromSetupPosition) {
11979 SendBoard(&second, backwardMostMove);
11980 if (appData.debugMode) {
11981 fprintf(debugFP, "Two Machines\n");
11984 for (i = backwardMostMove; i < forwardMostMove; i++) {
11985 SendMoveToProgram(i, &second);
11988 gameMode = TwoMachinesPlay;
11992 DisplayTwoMachinesTitle();
11994 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12000 SendToProgram(first.computerString, &first);
12001 if (first.sendName) {
12002 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12003 SendToProgram(buf, &first);
12005 SendToProgram(second.computerString, &second);
12006 if (second.sendName) {
12007 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12008 SendToProgram(buf, &second);
12012 if (!first.sendTime || !second.sendTime) {
12013 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12014 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12016 if (onmove->sendTime) {
12017 if (onmove->useColors) {
12018 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12020 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12022 if (onmove->useColors) {
12023 SendToProgram(onmove->twoMachinesColor, onmove);
12025 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12026 // SendToProgram("go\n", onmove);
12027 onmove->maybeThinking = TRUE;
12028 SetMachineThinkingEnables();
12032 if(bookHit) { // [HGM] book: simulate book reply
12033 static char bookMove[MSG_SIZ]; // a bit generous?
12035 programStats.nodes = programStats.depth = programStats.time =
12036 programStats.score = programStats.got_only_move = 0;
12037 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12039 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12040 strcat(bookMove, bookHit);
12041 savedMessage = bookMove; // args for deferred call
12042 savedState = onmove;
12043 ScheduleDelayedEvent(DeferredBookMove, 1);
12050 if (gameMode == Training) {
12051 SetTrainingModeOff();
12052 gameMode = PlayFromGameFile;
12053 DisplayMessage("", _("Training mode off"));
12055 gameMode = Training;
12056 animateTraining = appData.animate;
12058 /* make sure we are not already at the end of the game */
12059 if (currentMove < forwardMostMove) {
12060 SetTrainingModeOn();
12061 DisplayMessage("", _("Training mode on"));
12063 gameMode = PlayFromGameFile;
12064 DisplayError(_("Already at end of game"), 0);
12073 if (!appData.icsActive) return;
12074 switch (gameMode) {
12075 case IcsPlayingWhite:
12076 case IcsPlayingBlack:
12079 case BeginningOfGame:
12087 EditPositionDone(TRUE);
12100 gameMode = IcsIdle;
12111 switch (gameMode) {
12113 SetTrainingModeOff();
12115 case MachinePlaysWhite:
12116 case MachinePlaysBlack:
12117 case BeginningOfGame:
12118 SendToProgram("force\n", &first);
12119 SetUserThinkingEnables();
12121 case PlayFromGameFile:
12122 (void) StopLoadGameTimer();
12123 if (gameFileFP != NULL) {
12128 EditPositionDone(TRUE);
12133 SendToProgram("force\n", &first);
12135 case TwoMachinesPlay:
12136 GameEnds(EndOfFile, NULL, GE_PLAYER);
12137 ResurrectChessProgram();
12138 SetUserThinkingEnables();
12141 ResurrectChessProgram();
12143 case IcsPlayingBlack:
12144 case IcsPlayingWhite:
12145 DisplayError(_("Warning: You are still playing a game"), 0);
12148 DisplayError(_("Warning: You are still observing a game"), 0);
12151 DisplayError(_("Warning: You are still examining a game"), 0);
12162 first.offeredDraw = second.offeredDraw = 0;
12164 if (gameMode == PlayFromGameFile) {
12165 whiteTimeRemaining = timeRemaining[0][currentMove];
12166 blackTimeRemaining = timeRemaining[1][currentMove];
12170 if (gameMode == MachinePlaysWhite ||
12171 gameMode == MachinePlaysBlack ||
12172 gameMode == TwoMachinesPlay ||
12173 gameMode == EndOfGame) {
12174 i = forwardMostMove;
12175 while (i > currentMove) {
12176 SendToProgram("undo\n", &first);
12179 whiteTimeRemaining = timeRemaining[0][currentMove];
12180 blackTimeRemaining = timeRemaining[1][currentMove];
12181 DisplayBothClocks();
12182 if (whiteFlag || blackFlag) {
12183 whiteFlag = blackFlag = 0;
12188 gameMode = EditGame;
12195 EditPositionEvent()
12197 if (gameMode == EditPosition) {
12203 if (gameMode != EditGame) return;
12205 gameMode = EditPosition;
12208 if (currentMove > 0)
12209 CopyBoard(boards[0], boards[currentMove]);
12211 blackPlaysFirst = !WhiteOnMove(currentMove);
12213 currentMove = forwardMostMove = backwardMostMove = 0;
12214 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12221 /* [DM] icsEngineAnalyze - possible call from other functions */
12222 if (appData.icsEngineAnalyze) {
12223 appData.icsEngineAnalyze = FALSE;
12225 DisplayMessage("",_("Close ICS engine analyze..."));
12227 if (first.analysisSupport && first.analyzing) {
12228 SendToProgram("exit\n", &first);
12229 first.analyzing = FALSE;
12231 thinkOutput[0] = NULLCHAR;
12235 EditPositionDone(Boolean fakeRights)
12237 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12239 startedFromSetupPosition = TRUE;
12240 InitChessProgram(&first, FALSE);
12241 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12242 boards[0][EP_STATUS] = EP_NONE;
12243 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12244 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12245 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12246 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12247 } else boards[0][CASTLING][2] = NoRights;
12248 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12249 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12250 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12251 } else boards[0][CASTLING][5] = NoRights;
12253 SendToProgram("force\n", &first);
12254 if (blackPlaysFirst) {
12255 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12256 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12257 currentMove = forwardMostMove = backwardMostMove = 1;
12258 CopyBoard(boards[1], boards[0]);
12260 currentMove = forwardMostMove = backwardMostMove = 0;
12262 SendBoard(&first, forwardMostMove);
12263 if (appData.debugMode) {
12264 fprintf(debugFP, "EditPosDone\n");
12267 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12268 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12269 gameMode = EditGame;
12271 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12272 ClearHighlights(); /* [AS] */
12275 /* Pause for `ms' milliseconds */
12276 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12286 } while (SubtractTimeMarks(&m2, &m1) < ms);
12289 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12291 SendMultiLineToICS(buf)
12294 char temp[MSG_SIZ+1], *p;
12301 strncpy(temp, buf, len);
12306 if (*p == '\n' || *p == '\r')
12311 strcat(temp, "\n");
12313 SendToPlayer(temp, strlen(temp));
12317 SetWhiteToPlayEvent()
12319 if (gameMode == EditPosition) {
12320 blackPlaysFirst = FALSE;
12321 DisplayBothClocks(); /* works because currentMove is 0 */
12322 } else if (gameMode == IcsExamining) {
12323 SendToICS(ics_prefix);
12324 SendToICS("tomove white\n");
12329 SetBlackToPlayEvent()
12331 if (gameMode == EditPosition) {
12332 blackPlaysFirst = TRUE;
12333 currentMove = 1; /* kludge */
12334 DisplayBothClocks();
12336 } else if (gameMode == IcsExamining) {
12337 SendToICS(ics_prefix);
12338 SendToICS("tomove black\n");
12343 EditPositionMenuEvent(selection, x, y)
12344 ChessSquare selection;
12348 ChessSquare piece = boards[0][y][x];
12350 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12352 switch (selection) {
12354 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12355 SendToICS(ics_prefix);
12356 SendToICS("bsetup clear\n");
12357 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12358 SendToICS(ics_prefix);
12359 SendToICS("clearboard\n");
12361 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12362 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12363 for (y = 0; y < BOARD_HEIGHT; y++) {
12364 if (gameMode == IcsExamining) {
12365 if (boards[currentMove][y][x] != EmptySquare) {
12366 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12371 boards[0][y][x] = p;
12376 if (gameMode == EditPosition) {
12377 DrawPosition(FALSE, boards[0]);
12382 SetWhiteToPlayEvent();
12386 SetBlackToPlayEvent();
12390 if (gameMode == IcsExamining) {
12391 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12392 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12395 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12396 if(x == BOARD_LEFT-2) {
12397 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12398 boards[0][y][1] = 0;
12400 if(x == BOARD_RGHT+1) {
12401 if(y >= gameInfo.holdingsSize) break;
12402 boards[0][y][BOARD_WIDTH-2] = 0;
12405 boards[0][y][x] = EmptySquare;
12406 DrawPosition(FALSE, boards[0]);
12411 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12412 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12413 selection = (ChessSquare) (PROMOTED piece);
12414 } else if(piece == EmptySquare) selection = WhiteSilver;
12415 else selection = (ChessSquare)((int)piece - 1);
12419 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12420 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12421 selection = (ChessSquare) (DEMOTED piece);
12422 } else if(piece == EmptySquare) selection = BlackSilver;
12423 else selection = (ChessSquare)((int)piece + 1);
12428 if(gameInfo.variant == VariantShatranj ||
12429 gameInfo.variant == VariantXiangqi ||
12430 gameInfo.variant == VariantCourier ||
12431 gameInfo.variant == VariantMakruk )
12432 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12437 if(gameInfo.variant == VariantXiangqi)
12438 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12439 if(gameInfo.variant == VariantKnightmate)
12440 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12443 if (gameMode == IcsExamining) {
12444 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12445 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12446 PieceToChar(selection), AAA + x, ONE + y);
12449 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12451 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12452 n = PieceToNumber(selection - BlackPawn);
12453 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12454 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12455 boards[0][BOARD_HEIGHT-1-n][1]++;
12457 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12458 n = PieceToNumber(selection);
12459 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12460 boards[0][n][BOARD_WIDTH-1] = selection;
12461 boards[0][n][BOARD_WIDTH-2]++;
12464 boards[0][y][x] = selection;
12465 DrawPosition(TRUE, boards[0]);
12473 DropMenuEvent(selection, x, y)
12474 ChessSquare selection;
12477 ChessMove moveType;
12479 switch (gameMode) {
12480 case IcsPlayingWhite:
12481 case MachinePlaysBlack:
12482 if (!WhiteOnMove(currentMove)) {
12483 DisplayMoveError(_("It is Black's turn"));
12486 moveType = WhiteDrop;
12488 case IcsPlayingBlack:
12489 case MachinePlaysWhite:
12490 if (WhiteOnMove(currentMove)) {
12491 DisplayMoveError(_("It is White's turn"));
12494 moveType = BlackDrop;
12497 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12503 if (moveType == BlackDrop && selection < BlackPawn) {
12504 selection = (ChessSquare) ((int) selection
12505 + (int) BlackPawn - (int) WhitePawn);
12507 if (boards[currentMove][y][x] != EmptySquare) {
12508 DisplayMoveError(_("That square is occupied"));
12512 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12518 /* Accept a pending offer of any kind from opponent */
12520 if (appData.icsActive) {
12521 SendToICS(ics_prefix);
12522 SendToICS("accept\n");
12523 } else if (cmailMsgLoaded) {
12524 if (currentMove == cmailOldMove &&
12525 commentList[cmailOldMove] != NULL &&
12526 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12527 "Black offers a draw" : "White offers a draw")) {
12529 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12530 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12532 DisplayError(_("There is no pending offer on this move"), 0);
12533 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12536 /* Not used for offers from chess program */
12543 /* Decline a pending offer of any kind from opponent */
12545 if (appData.icsActive) {
12546 SendToICS(ics_prefix);
12547 SendToICS("decline\n");
12548 } else if (cmailMsgLoaded) {
12549 if (currentMove == cmailOldMove &&
12550 commentList[cmailOldMove] != NULL &&
12551 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12552 "Black offers a draw" : "White offers a draw")) {
12554 AppendComment(cmailOldMove, "Draw declined", TRUE);
12555 DisplayComment(cmailOldMove - 1, "Draw declined");
12558 DisplayError(_("There is no pending offer on this move"), 0);
12561 /* Not used for offers from chess program */
12568 /* Issue ICS rematch command */
12569 if (appData.icsActive) {
12570 SendToICS(ics_prefix);
12571 SendToICS("rematch\n");
12578 /* Call your opponent's flag (claim a win on time) */
12579 if (appData.icsActive) {
12580 SendToICS(ics_prefix);
12581 SendToICS("flag\n");
12583 switch (gameMode) {
12586 case MachinePlaysWhite:
12589 GameEnds(GameIsDrawn, "Both players ran out of time",
12592 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12594 DisplayError(_("Your opponent is not out of time"), 0);
12597 case MachinePlaysBlack:
12600 GameEnds(GameIsDrawn, "Both players ran out of time",
12603 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12605 DisplayError(_("Your opponent is not out of time"), 0);
12613 ClockClick(int which)
12614 { // [HGM] code moved to back-end from winboard.c
12615 if(which) { // black clock
12616 if (gameMode == EditPosition || gameMode == IcsExamining) {
12617 SetBlackToPlayEvent();
12618 } else if (gameMode == EditGame || shiftKey) {
12619 AdjustClock(which, -1);
12620 } else if (gameMode == IcsPlayingWhite ||
12621 gameMode == MachinePlaysBlack) {
12624 } else { // white clock
12625 if (gameMode == EditPosition || gameMode == IcsExamining) {
12626 SetWhiteToPlayEvent();
12627 } else if (gameMode == EditGame || shiftKey) {
12628 AdjustClock(which, -1);
12629 } else if (gameMode == IcsPlayingBlack ||
12630 gameMode == MachinePlaysWhite) {
12639 /* Offer draw or accept pending draw offer from opponent */
12641 if (appData.icsActive) {
12642 /* Note: tournament rules require draw offers to be
12643 made after you make your move but before you punch
12644 your clock. Currently ICS doesn't let you do that;
12645 instead, you immediately punch your clock after making
12646 a move, but you can offer a draw at any time. */
12648 SendToICS(ics_prefix);
12649 SendToICS("draw\n");
12650 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12651 } else if (cmailMsgLoaded) {
12652 if (currentMove == cmailOldMove &&
12653 commentList[cmailOldMove] != NULL &&
12654 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12655 "Black offers a draw" : "White offers a draw")) {
12656 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12657 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12658 } else if (currentMove == cmailOldMove + 1) {
12659 char *offer = WhiteOnMove(cmailOldMove) ?
12660 "White offers a draw" : "Black offers a draw";
12661 AppendComment(currentMove, offer, TRUE);
12662 DisplayComment(currentMove - 1, offer);
12663 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12665 DisplayError(_("You must make your move before offering a draw"), 0);
12666 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12668 } else if (first.offeredDraw) {
12669 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12671 if (first.sendDrawOffers) {
12672 SendToProgram("draw\n", &first);
12673 userOfferedDraw = TRUE;
12681 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12683 if (appData.icsActive) {
12684 SendToICS(ics_prefix);
12685 SendToICS("adjourn\n");
12687 /* Currently GNU Chess doesn't offer or accept Adjourns */
12695 /* Offer Abort or accept pending Abort offer from opponent */
12697 if (appData.icsActive) {
12698 SendToICS(ics_prefix);
12699 SendToICS("abort\n");
12701 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12708 /* Resign. You can do this even if it's not your turn. */
12710 if (appData.icsActive) {
12711 SendToICS(ics_prefix);
12712 SendToICS("resign\n");
12714 switch (gameMode) {
12715 case MachinePlaysWhite:
12716 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12718 case MachinePlaysBlack:
12719 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12722 if (cmailMsgLoaded) {
12724 if (WhiteOnMove(cmailOldMove)) {
12725 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12727 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12740 StopObservingEvent()
12742 /* Stop observing current games */
12743 SendToICS(ics_prefix);
12744 SendToICS("unobserve\n");
12748 StopExaminingEvent()
12750 /* Stop observing current game */
12751 SendToICS(ics_prefix);
12752 SendToICS("unexamine\n");
12756 ForwardInner(target)
12761 if (appData.debugMode)
12762 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12763 target, currentMove, forwardMostMove);
12765 if (gameMode == EditPosition)
12768 if (gameMode == PlayFromGameFile && !pausing)
12771 if (gameMode == IcsExamining && pausing)
12772 limit = pauseExamForwardMostMove;
12774 limit = forwardMostMove;
12776 if (target > limit) target = limit;
12778 if (target > 0 && moveList[target - 1][0]) {
12779 int fromX, fromY, toX, toY;
12780 toX = moveList[target - 1][2] - AAA;
12781 toY = moveList[target - 1][3] - ONE;
12782 if (moveList[target - 1][1] == '@') {
12783 if (appData.highlightLastMove) {
12784 SetHighlights(-1, -1, toX, toY);
12787 fromX = moveList[target - 1][0] - AAA;
12788 fromY = moveList[target - 1][1] - ONE;
12789 if (target == currentMove + 1) {
12790 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12792 if (appData.highlightLastMove) {
12793 SetHighlights(fromX, fromY, toX, toY);
12797 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12798 gameMode == Training || gameMode == PlayFromGameFile ||
12799 gameMode == AnalyzeFile) {
12800 while (currentMove < target) {
12801 SendMoveToProgram(currentMove++, &first);
12804 currentMove = target;
12807 if (gameMode == EditGame || gameMode == EndOfGame) {
12808 whiteTimeRemaining = timeRemaining[0][currentMove];
12809 blackTimeRemaining = timeRemaining[1][currentMove];
12811 DisplayBothClocks();
12812 DisplayMove(currentMove - 1);
12813 DrawPosition(FALSE, boards[currentMove]);
12814 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12815 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12816 DisplayComment(currentMove - 1, commentList[currentMove]);
12824 if (gameMode == IcsExamining && !pausing) {
12825 SendToICS(ics_prefix);
12826 SendToICS("forward\n");
12828 ForwardInner(currentMove + 1);
12835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12836 /* to optimze, we temporarily turn off analysis mode while we feed
12837 * the remaining moves to the engine. Otherwise we get analysis output
12840 if (first.analysisSupport) {
12841 SendToProgram("exit\nforce\n", &first);
12842 first.analyzing = FALSE;
12846 if (gameMode == IcsExamining && !pausing) {
12847 SendToICS(ics_prefix);
12848 SendToICS("forward 999999\n");
12850 ForwardInner(forwardMostMove);
12853 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12854 /* we have fed all the moves, so reactivate analysis mode */
12855 SendToProgram("analyze\n", &first);
12856 first.analyzing = TRUE;
12857 /*first.maybeThinking = TRUE;*/
12858 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12863 BackwardInner(target)
12866 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12868 if (appData.debugMode)
12869 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12870 target, currentMove, forwardMostMove);
12872 if (gameMode == EditPosition) return;
12873 if (currentMove <= backwardMostMove) {
12875 DrawPosition(full_redraw, boards[currentMove]);
12878 if (gameMode == PlayFromGameFile && !pausing)
12881 if (moveList[target][0]) {
12882 int fromX, fromY, toX, toY;
12883 toX = moveList[target][2] - AAA;
12884 toY = moveList[target][3] - ONE;
12885 if (moveList[target][1] == '@') {
12886 if (appData.highlightLastMove) {
12887 SetHighlights(-1, -1, toX, toY);
12890 fromX = moveList[target][0] - AAA;
12891 fromY = moveList[target][1] - ONE;
12892 if (target == currentMove - 1) {
12893 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12895 if (appData.highlightLastMove) {
12896 SetHighlights(fromX, fromY, toX, toY);
12900 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12901 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12902 while (currentMove > target) {
12903 SendToProgram("undo\n", &first);
12907 currentMove = target;
12910 if (gameMode == EditGame || gameMode == EndOfGame) {
12911 whiteTimeRemaining = timeRemaining[0][currentMove];
12912 blackTimeRemaining = timeRemaining[1][currentMove];
12914 DisplayBothClocks();
12915 DisplayMove(currentMove - 1);
12916 DrawPosition(full_redraw, boards[currentMove]);
12917 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12918 // [HGM] PV info: routine tests if comment empty
12919 DisplayComment(currentMove - 1, commentList[currentMove]);
12925 if (gameMode == IcsExamining && !pausing) {
12926 SendToICS(ics_prefix);
12927 SendToICS("backward\n");
12929 BackwardInner(currentMove - 1);
12936 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12937 /* to optimize, we temporarily turn off analysis mode while we undo
12938 * all the moves. Otherwise we get analysis output after each undo.
12940 if (first.analysisSupport) {
12941 SendToProgram("exit\nforce\n", &first);
12942 first.analyzing = FALSE;
12946 if (gameMode == IcsExamining && !pausing) {
12947 SendToICS(ics_prefix);
12948 SendToICS("backward 999999\n");
12950 BackwardInner(backwardMostMove);
12953 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12954 /* we have fed all the moves, so reactivate analysis mode */
12955 SendToProgram("analyze\n", &first);
12956 first.analyzing = TRUE;
12957 /*first.maybeThinking = TRUE;*/
12958 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12965 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12966 if (to >= forwardMostMove) to = forwardMostMove;
12967 if (to <= backwardMostMove) to = backwardMostMove;
12968 if (to < currentMove) {
12976 RevertEvent(Boolean annotate)
12978 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12981 if (gameMode != IcsExamining) {
12982 DisplayError(_("You are not examining a game"), 0);
12986 DisplayError(_("You can't revert while pausing"), 0);
12989 SendToICS(ics_prefix);
12990 SendToICS("revert\n");
12996 switch (gameMode) {
12997 case MachinePlaysWhite:
12998 case MachinePlaysBlack:
12999 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13000 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13003 if (forwardMostMove < 2) return;
13004 currentMove = forwardMostMove = forwardMostMove - 2;
13005 whiteTimeRemaining = timeRemaining[0][currentMove];
13006 blackTimeRemaining = timeRemaining[1][currentMove];
13007 DisplayBothClocks();
13008 DisplayMove(currentMove - 1);
13009 ClearHighlights();/*!! could figure this out*/
13010 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13011 SendToProgram("remove\n", &first);
13012 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13015 case BeginningOfGame:
13019 case IcsPlayingWhite:
13020 case IcsPlayingBlack:
13021 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13022 SendToICS(ics_prefix);
13023 SendToICS("takeback 2\n");
13025 SendToICS(ics_prefix);
13026 SendToICS("takeback 1\n");
13035 ChessProgramState *cps;
13037 switch (gameMode) {
13038 case MachinePlaysWhite:
13039 if (!WhiteOnMove(forwardMostMove)) {
13040 DisplayError(_("It is your turn"), 0);
13045 case MachinePlaysBlack:
13046 if (WhiteOnMove(forwardMostMove)) {
13047 DisplayError(_("It is your turn"), 0);
13052 case TwoMachinesPlay:
13053 if (WhiteOnMove(forwardMostMove) ==
13054 (first.twoMachinesColor[0] == 'w')) {
13060 case BeginningOfGame:
13064 SendToProgram("?\n", cps);
13068 TruncateGameEvent()
13071 if (gameMode != EditGame) return;
13078 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13079 if (forwardMostMove > currentMove) {
13080 if (gameInfo.resultDetails != NULL) {
13081 free(gameInfo.resultDetails);
13082 gameInfo.resultDetails = NULL;
13083 gameInfo.result = GameUnfinished;
13085 forwardMostMove = currentMove;
13086 HistorySet(parseList, backwardMostMove, forwardMostMove,
13094 if (appData.noChessProgram) return;
13095 switch (gameMode) {
13096 case MachinePlaysWhite:
13097 if (WhiteOnMove(forwardMostMove)) {
13098 DisplayError(_("Wait until your turn"), 0);
13102 case BeginningOfGame:
13103 case MachinePlaysBlack:
13104 if (!WhiteOnMove(forwardMostMove)) {
13105 DisplayError(_("Wait until your turn"), 0);
13110 DisplayError(_("No hint available"), 0);
13113 SendToProgram("hint\n", &first);
13114 hintRequested = TRUE;
13120 if (appData.noChessProgram) return;
13121 switch (gameMode) {
13122 case MachinePlaysWhite:
13123 if (WhiteOnMove(forwardMostMove)) {
13124 DisplayError(_("Wait until your turn"), 0);
13128 case BeginningOfGame:
13129 case MachinePlaysBlack:
13130 if (!WhiteOnMove(forwardMostMove)) {
13131 DisplayError(_("Wait until your turn"), 0);
13136 EditPositionDone(TRUE);
13138 case TwoMachinesPlay:
13143 SendToProgram("bk\n", &first);
13144 bookOutput[0] = NULLCHAR;
13145 bookRequested = TRUE;
13151 char *tags = PGNTags(&gameInfo);
13152 TagsPopUp(tags, CmailMsg());
13156 /* end button procedures */
13159 PrintPosition(fp, move)
13165 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13166 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13167 char c = PieceToChar(boards[move][i][j]);
13168 fputc(c == 'x' ? '.' : c, fp);
13169 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13172 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13173 fprintf(fp, "white to play\n");
13175 fprintf(fp, "black to play\n");
13182 if (gameInfo.white != NULL) {
13183 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13189 /* Find last component of program's own name, using some heuristics */
13191 TidyProgramName(prog, host, buf)
13192 char *prog, *host, buf[MSG_SIZ];
13195 int local = (strcmp(host, "localhost") == 0);
13196 while (!local && (p = strchr(prog, ';')) != NULL) {
13198 while (*p == ' ') p++;
13201 if (*prog == '"' || *prog == '\'') {
13202 q = strchr(prog + 1, *prog);
13204 q = strchr(prog, ' ');
13206 if (q == NULL) q = prog + strlen(prog);
13208 while (p >= prog && *p != '/' && *p != '\\') p--;
13210 if(p == prog && *p == '"') p++;
13211 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13212 memcpy(buf, p, q - p);
13213 buf[q - p] = NULLCHAR;
13221 TimeControlTagValue()
13224 if (!appData.clockMode) {
13225 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13226 } else if (movesPerSession > 0) {
13227 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13228 } else if (timeIncrement == 0) {
13229 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13231 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13233 return StrSave(buf);
13239 /* This routine is used only for certain modes */
13240 VariantClass v = gameInfo.variant;
13241 ChessMove r = GameUnfinished;
13244 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13245 r = gameInfo.result;
13246 p = gameInfo.resultDetails;
13247 gameInfo.resultDetails = NULL;
13249 ClearGameInfo(&gameInfo);
13250 gameInfo.variant = v;
13252 switch (gameMode) {
13253 case MachinePlaysWhite:
13254 gameInfo.event = StrSave( appData.pgnEventHeader );
13255 gameInfo.site = StrSave(HostName());
13256 gameInfo.date = PGNDate();
13257 gameInfo.round = StrSave("-");
13258 gameInfo.white = StrSave(first.tidy);
13259 gameInfo.black = StrSave(UserName());
13260 gameInfo.timeControl = TimeControlTagValue();
13263 case MachinePlaysBlack:
13264 gameInfo.event = StrSave( appData.pgnEventHeader );
13265 gameInfo.site = StrSave(HostName());
13266 gameInfo.date = PGNDate();
13267 gameInfo.round = StrSave("-");
13268 gameInfo.white = StrSave(UserName());
13269 gameInfo.black = StrSave(first.tidy);
13270 gameInfo.timeControl = TimeControlTagValue();
13273 case TwoMachinesPlay:
13274 gameInfo.event = StrSave( appData.pgnEventHeader );
13275 gameInfo.site = StrSave(HostName());
13276 gameInfo.date = PGNDate();
13277 if (matchGame > 0) {
13279 snprintf(buf, MSG_SIZ, "%d", matchGame);
13280 gameInfo.round = StrSave(buf);
13282 gameInfo.round = StrSave("-");
13284 if (first.twoMachinesColor[0] == 'w') {
13285 gameInfo.white = StrSave(first.tidy);
13286 gameInfo.black = StrSave(second.tidy);
13288 gameInfo.white = StrSave(second.tidy);
13289 gameInfo.black = StrSave(first.tidy);
13291 gameInfo.timeControl = TimeControlTagValue();
13295 gameInfo.event = StrSave("Edited game");
13296 gameInfo.site = StrSave(HostName());
13297 gameInfo.date = PGNDate();
13298 gameInfo.round = StrSave("-");
13299 gameInfo.white = StrSave("-");
13300 gameInfo.black = StrSave("-");
13301 gameInfo.result = r;
13302 gameInfo.resultDetails = p;
13306 gameInfo.event = StrSave("Edited position");
13307 gameInfo.site = StrSave(HostName());
13308 gameInfo.date = PGNDate();
13309 gameInfo.round = StrSave("-");
13310 gameInfo.white = StrSave("-");
13311 gameInfo.black = StrSave("-");
13314 case IcsPlayingWhite:
13315 case IcsPlayingBlack:
13320 case PlayFromGameFile:
13321 gameInfo.event = StrSave("Game from non-PGN file");
13322 gameInfo.site = StrSave(HostName());
13323 gameInfo.date = PGNDate();
13324 gameInfo.round = StrSave("-");
13325 gameInfo.white = StrSave("?");
13326 gameInfo.black = StrSave("?");
13335 ReplaceComment(index, text)
13343 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13344 pvInfoList[index-1].depth == len &&
13345 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13346 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13347 while (*text == '\n') text++;
13348 len = strlen(text);
13349 while (len > 0 && text[len - 1] == '\n') len--;
13351 if (commentList[index] != NULL)
13352 free(commentList[index]);
13355 commentList[index] = NULL;
13358 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13359 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13360 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13361 commentList[index] = (char *) malloc(len + 2);
13362 strncpy(commentList[index], text, len);
13363 commentList[index][len] = '\n';
13364 commentList[index][len + 1] = NULLCHAR;
13366 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13368 commentList[index] = (char *) malloc(len + 7);
13369 safeStrCpy(commentList[index], "{\n", 3);
13370 safeStrCpy(commentList[index]+2, text, len+1);
13371 commentList[index][len+2] = NULLCHAR;
13372 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13373 strcat(commentList[index], "\n}\n");
13387 if (ch == '\r') continue;
13389 } while (ch != '\0');
13393 AppendComment(index, text, addBraces)
13396 Boolean addBraces; // [HGM] braces: tells if we should add {}
13401 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13402 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13405 while (*text == '\n') text++;
13406 len = strlen(text);
13407 while (len > 0 && text[len - 1] == '\n') len--;
13409 if (len == 0) return;
13411 if (commentList[index] != NULL) {
13412 old = commentList[index];
13413 oldlen = strlen(old);
13414 while(commentList[index][oldlen-1] == '\n')
13415 commentList[index][--oldlen] = NULLCHAR;
13416 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13417 safeStrCpy(commentList[index], old, oldlen + len + 6);
13419 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13420 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13421 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13422 while (*text == '\n') { text++; len--; }
13423 commentList[index][--oldlen] = NULLCHAR;
13425 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13426 else strcat(commentList[index], "\n");
13427 strcat(commentList[index], text);
13428 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13429 else strcat(commentList[index], "\n");
13431 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13433 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13434 else commentList[index][0] = NULLCHAR;
13435 strcat(commentList[index], text);
13436 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13437 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13441 static char * FindStr( char * text, char * sub_text )
13443 char * result = strstr( text, sub_text );
13445 if( result != NULL ) {
13446 result += strlen( sub_text );
13452 /* [AS] Try to extract PV info from PGN comment */
13453 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13454 char *GetInfoFromComment( int index, char * text )
13456 char * sep = text, *p;
13458 if( text != NULL && index > 0 ) {
13461 int time = -1, sec = 0, deci;
13462 char * s_eval = FindStr( text, "[%eval " );
13463 char * s_emt = FindStr( text, "[%emt " );
13465 if( s_eval != NULL || s_emt != NULL ) {
13469 if( s_eval != NULL ) {
13470 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13474 if( delim != ']' ) {
13479 if( s_emt != NULL ) {
13484 /* We expect something like: [+|-]nnn.nn/dd */
13487 if(*text != '{') return text; // [HGM] braces: must be normal comment
13489 sep = strchr( text, '/' );
13490 if( sep == NULL || sep < (text+4) ) {
13495 if(p[1] == '(') { // comment starts with PV
13496 p = strchr(p, ')'); // locate end of PV
13497 if(p == NULL || sep < p+5) return text;
13498 // at this point we have something like "{(.*) +0.23/6 ..."
13499 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13500 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13501 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13503 time = -1; sec = -1; deci = -1;
13504 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13505 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13506 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13507 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13511 if( score_lo < 0 || score_lo >= 100 ) {
13515 if(sec >= 0) time = 600*time + 10*sec; else
13516 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13518 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13520 /* [HGM] PV time: now locate end of PV info */
13521 while( *++sep >= '0' && *sep <= '9'); // strip depth
13523 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13525 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13527 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13528 while(*sep == ' ') sep++;
13539 pvInfoList[index-1].depth = depth;
13540 pvInfoList[index-1].score = score;
13541 pvInfoList[index-1].time = 10*time; // centi-sec
13542 if(*sep == '}') *sep = 0; else *--sep = '{';
13543 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13549 SendToProgram(message, cps)
13551 ChessProgramState *cps;
13553 int count, outCount, error;
13556 if (cps->pr == NULL) return;
13559 if (appData.debugMode) {
13562 fprintf(debugFP, "%ld >%-6s: %s",
13563 SubtractTimeMarks(&now, &programStartTime),
13564 cps->which, message);
13567 count = strlen(message);
13568 outCount = OutputToProcess(cps->pr, message, count, &error);
13569 if (outCount < count && !exiting
13570 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13571 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
13572 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13573 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13574 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13575 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
13577 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13579 gameInfo.resultDetails = StrSave(buf);
13581 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13586 ReceiveFromProgram(isr, closure, message, count, error)
13587 InputSourceRef isr;
13595 ChessProgramState *cps = (ChessProgramState *)closure;
13597 if (isr != cps->isr) return; /* Killed intentionally */
13600 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13601 _(cps->which), cps->program);
13602 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13603 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13604 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13605 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
13607 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13609 gameInfo.resultDetails = StrSave(buf);
13611 RemoveInputSource(cps->isr);
13612 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13614 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13615 _(cps->which), cps->program);
13616 RemoveInputSource(cps->isr);
13618 /* [AS] Program is misbehaving badly... kill it */
13619 if( count == -2 ) {
13620 DestroyChildProcess( cps->pr, 9 );
13624 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13629 if ((end_str = strchr(message, '\r')) != NULL)
13630 *end_str = NULLCHAR;
13631 if ((end_str = strchr(message, '\n')) != NULL)
13632 *end_str = NULLCHAR;
13634 if (appData.debugMode) {
13635 TimeMark now; int print = 1;
13636 char *quote = ""; char c; int i;
13638 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13639 char start = message[0];
13640 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13641 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13642 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13643 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13644 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13645 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13646 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13647 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13648 sscanf(message, "hint: %c", &c)!=1 &&
13649 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13650 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13651 print = (appData.engineComments >= 2);
13653 message[0] = start; // restore original message
13657 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13658 SubtractTimeMarks(&now, &programStartTime), cps->which,
13664 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13665 if (appData.icsEngineAnalyze) {
13666 if (strstr(message, "whisper") != NULL ||
13667 strstr(message, "kibitz") != NULL ||
13668 strstr(message, "tellics") != NULL) return;
13671 HandleMachineMove(message, cps);
13676 SendTimeControl(cps, mps, tc, inc, sd, st)
13677 ChessProgramState *cps;
13678 int mps, inc, sd, st;
13684 if( timeControl_2 > 0 ) {
13685 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13686 tc = timeControl_2;
13689 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13690 inc /= cps->timeOdds;
13691 st /= cps->timeOdds;
13693 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13696 /* Set exact time per move, normally using st command */
13697 if (cps->stKludge) {
13698 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13700 if (seconds == 0) {
13701 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13703 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13706 snprintf(buf, MSG_SIZ, "st %d\n", st);
13709 /* Set conventional or incremental time control, using level command */
13710 if (seconds == 0) {
13711 /* Note old gnuchess bug -- minutes:seconds used to not work.
13712 Fixed in later versions, but still avoid :seconds
13713 when seconds is 0. */
13714 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13716 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13717 seconds, inc/1000.);
13720 SendToProgram(buf, cps);
13722 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13723 /* Orthogonally, limit search to given depth */
13725 if (cps->sdKludge) {
13726 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13728 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13730 SendToProgram(buf, cps);
13733 if(cps->nps >= 0) { /* [HGM] nps */
13734 if(cps->supportsNPS == FALSE)
13735 cps->nps = -1; // don't use if engine explicitly says not supported!
13737 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13738 SendToProgram(buf, cps);
13743 ChessProgramState *WhitePlayer()
13744 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13746 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13747 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13753 SendTimeRemaining(cps, machineWhite)
13754 ChessProgramState *cps;
13755 int /*boolean*/ machineWhite;
13757 char message[MSG_SIZ];
13760 /* Note: this routine must be called when the clocks are stopped
13761 or when they have *just* been set or switched; otherwise
13762 it will be off by the time since the current tick started.
13764 if (machineWhite) {
13765 time = whiteTimeRemaining / 10;
13766 otime = blackTimeRemaining / 10;
13768 time = blackTimeRemaining / 10;
13769 otime = whiteTimeRemaining / 10;
13771 /* [HGM] translate opponent's time by time-odds factor */
13772 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13773 if (appData.debugMode) {
13774 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13777 if (time <= 0) time = 1;
13778 if (otime <= 0) otime = 1;
13780 snprintf(message, MSG_SIZ, "time %ld\n", time);
13781 SendToProgram(message, cps);
13783 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13784 SendToProgram(message, cps);
13788 BoolFeature(p, name, loc, cps)
13792 ChessProgramState *cps;
13795 int len = strlen(name);
13798 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13800 sscanf(*p, "%d", &val);
13802 while (**p && **p != ' ')
13804 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13805 SendToProgram(buf, cps);
13812 IntFeature(p, name, loc, cps)
13816 ChessProgramState *cps;
13819 int len = strlen(name);
13820 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13822 sscanf(*p, "%d", loc);
13823 while (**p && **p != ' ') (*p)++;
13824 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13825 SendToProgram(buf, cps);
13832 StringFeature(p, name, loc, cps)
13836 ChessProgramState *cps;
13839 int len = strlen(name);
13840 if (strncmp((*p), name, len) == 0
13841 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13843 sscanf(*p, "%[^\"]", loc);
13844 while (**p && **p != '\"') (*p)++;
13845 if (**p == '\"') (*p)++;
13846 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13847 SendToProgram(buf, cps);
13854 ParseOption(Option *opt, ChessProgramState *cps)
13855 // [HGM] options: process the string that defines an engine option, and determine
13856 // name, type, default value, and allowed value range
13858 char *p, *q, buf[MSG_SIZ];
13859 int n, min = (-1)<<31, max = 1<<31, def;
13861 if(p = strstr(opt->name, " -spin ")) {
13862 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13863 if(max < min) max = min; // enforce consistency
13864 if(def < min) def = min;
13865 if(def > max) def = max;
13870 } else if((p = strstr(opt->name, " -slider "))) {
13871 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13872 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13873 if(max < min) max = min; // enforce consistency
13874 if(def < min) def = min;
13875 if(def > max) def = max;
13879 opt->type = Spin; // Slider;
13880 } else if((p = strstr(opt->name, " -string "))) {
13881 opt->textValue = p+9;
13882 opt->type = TextBox;
13883 } else if((p = strstr(opt->name, " -file "))) {
13884 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13885 opt->textValue = p+7;
13886 opt->type = TextBox; // FileName;
13887 } else if((p = strstr(opt->name, " -path "))) {
13888 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13889 opt->textValue = p+7;
13890 opt->type = TextBox; // PathName;
13891 } else if(p = strstr(opt->name, " -check ")) {
13892 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13893 opt->value = (def != 0);
13894 opt->type = CheckBox;
13895 } else if(p = strstr(opt->name, " -combo ")) {
13896 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13897 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13898 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13899 opt->value = n = 0;
13900 while(q = StrStr(q, " /// ")) {
13901 n++; *q = 0; // count choices, and null-terminate each of them
13903 if(*q == '*') { // remember default, which is marked with * prefix
13907 cps->comboList[cps->comboCnt++] = q;
13909 cps->comboList[cps->comboCnt++] = NULL;
13911 opt->type = ComboBox;
13912 } else if(p = strstr(opt->name, " -button")) {
13913 opt->type = Button;
13914 } else if(p = strstr(opt->name, " -save")) {
13915 opt->type = SaveButton;
13916 } else return FALSE;
13917 *p = 0; // terminate option name
13918 // now look if the command-line options define a setting for this engine option.
13919 if(cps->optionSettings && cps->optionSettings[0])
13920 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13921 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13922 snprintf(buf, MSG_SIZ, "option %s", p);
13923 if(p = strstr(buf, ",")) *p = 0;
13924 if(q = strchr(buf, '=')) switch(opt->type) {
13926 for(n=0; n<opt->max; n++)
13927 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13930 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13934 opt->value = atoi(q+1);
13939 SendToProgram(buf, cps);
13945 FeatureDone(cps, val)
13946 ChessProgramState* cps;
13949 DelayedEventCallback cb = GetDelayedEvent();
13950 if ((cb == InitBackEnd3 && cps == &first) ||
13951 (cb == SettingsMenuIfReady && cps == &second) ||
13952 (cb == TwoMachinesEventIfReady && cps == &second)) {
13953 CancelDelayedEvent();
13954 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13956 cps->initDone = val;
13959 /* Parse feature command from engine */
13961 ParseFeatures(args, cps)
13963 ChessProgramState *cps;
13971 while (*p == ' ') p++;
13972 if (*p == NULLCHAR) return;
13974 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13975 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13976 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13977 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13978 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13979 if (BoolFeature(&p, "reuse", &val, cps)) {
13980 /* Engine can disable reuse, but can't enable it if user said no */
13981 if (!val) cps->reuse = FALSE;
13984 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13985 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13986 if (gameMode == TwoMachinesPlay) {
13987 DisplayTwoMachinesTitle();
13993 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13994 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13995 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13996 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13997 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13998 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13999 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
14000 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
14001 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
14002 if (IntFeature(&p, "done", &val, cps)) {
14003 FeatureDone(cps, val);
14006 /* Added by Tord: */
14007 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14008 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14009 /* End of additions by Tord */
14011 /* [HGM] added features: */
14012 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14013 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14014 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14015 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14016 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14017 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14018 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14019 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14020 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14021 SendToProgram(buf, cps);
14024 if(cps->nrOptions >= MAX_OPTIONS) {
14026 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
14027 DisplayError(buf, 0);
14031 /* End of additions by HGM */
14033 /* unknown feature: complain and skip */
14035 while (*q && *q != '=') q++;
14036 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14037 SendToProgram(buf, cps);
14043 while (*p && *p != '\"') p++;
14044 if (*p == '\"') p++;
14046 while (*p && *p != ' ') p++;
14054 PeriodicUpdatesEvent(newState)
14057 if (newState == appData.periodicUpdates)
14060 appData.periodicUpdates=newState;
14062 /* Display type changes, so update it now */
14063 // DisplayAnalysis();
14065 /* Get the ball rolling again... */
14067 AnalysisPeriodicEvent(1);
14068 StartAnalysisClock();
14073 PonderNextMoveEvent(newState)
14076 if (newState == appData.ponderNextMove) return;
14077 if (gameMode == EditPosition) EditPositionDone(TRUE);
14079 SendToProgram("hard\n", &first);
14080 if (gameMode == TwoMachinesPlay) {
14081 SendToProgram("hard\n", &second);
14084 SendToProgram("easy\n", &first);
14085 thinkOutput[0] = NULLCHAR;
14086 if (gameMode == TwoMachinesPlay) {
14087 SendToProgram("easy\n", &second);
14090 appData.ponderNextMove = newState;
14094 NewSettingEvent(option, feature, command, value)
14096 int option, value, *feature;
14100 if (gameMode == EditPosition) EditPositionDone(TRUE);
14101 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14102 if(feature == NULL || *feature) SendToProgram(buf, &first);
14103 if (gameMode == TwoMachinesPlay) {
14104 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14109 ShowThinkingEvent()
14110 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14112 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14113 int newState = appData.showThinking
14114 // [HGM] thinking: other features now need thinking output as well
14115 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14117 if (oldState == newState) return;
14118 oldState = newState;
14119 if (gameMode == EditPosition) EditPositionDone(TRUE);
14121 SendToProgram("post\n", &first);
14122 if (gameMode == TwoMachinesPlay) {
14123 SendToProgram("post\n", &second);
14126 SendToProgram("nopost\n", &first);
14127 thinkOutput[0] = NULLCHAR;
14128 if (gameMode == TwoMachinesPlay) {
14129 SendToProgram("nopost\n", &second);
14132 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14136 AskQuestionEvent(title, question, replyPrefix, which)
14137 char *title; char *question; char *replyPrefix; char *which;
14139 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14140 if (pr == NoProc) return;
14141 AskQuestion(title, question, replyPrefix, pr);
14145 DisplayMove(moveNumber)
14148 char message[MSG_SIZ];
14150 char cpThinkOutput[MSG_SIZ];
14152 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14154 if (moveNumber == forwardMostMove - 1 ||
14155 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14157 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14159 if (strchr(cpThinkOutput, '\n')) {
14160 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14163 *cpThinkOutput = NULLCHAR;
14166 /* [AS] Hide thinking from human user */
14167 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14168 *cpThinkOutput = NULLCHAR;
14169 if( thinkOutput[0] != NULLCHAR ) {
14172 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14173 cpThinkOutput[i] = '.';
14175 cpThinkOutput[i] = NULLCHAR;
14176 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14180 if (moveNumber == forwardMostMove - 1 &&
14181 gameInfo.resultDetails != NULL) {
14182 if (gameInfo.resultDetails[0] == NULLCHAR) {
14183 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14185 snprintf(res, MSG_SIZ, " {%s} %s",
14186 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14192 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14193 DisplayMessage(res, cpThinkOutput);
14195 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14196 WhiteOnMove(moveNumber) ? " " : ".. ",
14197 parseList[moveNumber], res);
14198 DisplayMessage(message, cpThinkOutput);
14203 DisplayComment(moveNumber, text)
14207 char title[MSG_SIZ];
14208 char buf[8000]; // comment can be long!
14211 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14212 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14214 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14215 WhiteOnMove(moveNumber) ? " " : ".. ",
14216 parseList[moveNumber]);
14218 // [HGM] PV info: display PV info together with (or as) comment
14219 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14220 if(text == NULL) text = "";
14221 score = pvInfoList[moveNumber].score;
14222 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14223 depth, (pvInfoList[moveNumber].time+50)/100, text);
14226 if (text != NULL && (appData.autoDisplayComment || commentUp))
14227 CommentPopUp(title, text);
14230 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14231 * might be busy thinking or pondering. It can be omitted if your
14232 * gnuchess is configured to stop thinking immediately on any user
14233 * input. However, that gnuchess feature depends on the FIONREAD
14234 * ioctl, which does not work properly on some flavors of Unix.
14238 ChessProgramState *cps;
14241 if (!cps->useSigint) return;
14242 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14243 switch (gameMode) {
14244 case MachinePlaysWhite:
14245 case MachinePlaysBlack:
14246 case TwoMachinesPlay:
14247 case IcsPlayingWhite:
14248 case IcsPlayingBlack:
14251 /* Skip if we know it isn't thinking */
14252 if (!cps->maybeThinking) return;
14253 if (appData.debugMode)
14254 fprintf(debugFP, "Interrupting %s\n", cps->which);
14255 InterruptChildProcess(cps->pr);
14256 cps->maybeThinking = FALSE;
14261 #endif /*ATTENTION*/
14267 if (whiteTimeRemaining <= 0) {
14270 if (appData.icsActive) {
14271 if (appData.autoCallFlag &&
14272 gameMode == IcsPlayingBlack && !blackFlag) {
14273 SendToICS(ics_prefix);
14274 SendToICS("flag\n");
14278 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14280 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14281 if (appData.autoCallFlag) {
14282 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14289 if (blackTimeRemaining <= 0) {
14292 if (appData.icsActive) {
14293 if (appData.autoCallFlag &&
14294 gameMode == IcsPlayingWhite && !whiteFlag) {
14295 SendToICS(ics_prefix);
14296 SendToICS("flag\n");
14300 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14302 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14303 if (appData.autoCallFlag) {
14304 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14317 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14318 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14321 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14323 if ( !WhiteOnMove(forwardMostMove) ) {
14324 /* White made time control */
14325 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14326 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14327 /* [HGM] time odds: correct new time quota for time odds! */
14328 / WhitePlayer()->timeOdds;
14329 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14331 lastBlack -= blackTimeRemaining;
14332 /* Black made time control */
14333 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14334 / WhitePlayer()->other->timeOdds;
14335 lastWhite = whiteTimeRemaining;
14340 DisplayBothClocks()
14342 int wom = gameMode == EditPosition ?
14343 !blackPlaysFirst : WhiteOnMove(currentMove);
14344 DisplayWhiteClock(whiteTimeRemaining, wom);
14345 DisplayBlackClock(blackTimeRemaining, !wom);
14349 /* Timekeeping seems to be a portability nightmare. I think everyone
14350 has ftime(), but I'm really not sure, so I'm including some ifdefs
14351 to use other calls if you don't. Clocks will be less accurate if
14352 you have neither ftime nor gettimeofday.
14355 /* VS 2008 requires the #include outside of the function */
14356 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14357 #include <sys/timeb.h>
14360 /* Get the current time as a TimeMark */
14365 #if HAVE_GETTIMEOFDAY
14367 struct timeval timeVal;
14368 struct timezone timeZone;
14370 gettimeofday(&timeVal, &timeZone);
14371 tm->sec = (long) timeVal.tv_sec;
14372 tm->ms = (int) (timeVal.tv_usec / 1000L);
14374 #else /*!HAVE_GETTIMEOFDAY*/
14377 // include <sys/timeb.h> / moved to just above start of function
14378 struct timeb timeB;
14381 tm->sec = (long) timeB.time;
14382 tm->ms = (int) timeB.millitm;
14384 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14385 tm->sec = (long) time(NULL);
14391 /* Return the difference in milliseconds between two
14392 time marks. We assume the difference will fit in a long!
14395 SubtractTimeMarks(tm2, tm1)
14396 TimeMark *tm2, *tm1;
14398 return 1000L*(tm2->sec - tm1->sec) +
14399 (long) (tm2->ms - tm1->ms);
14404 * Code to manage the game clocks.
14406 * In tournament play, black starts the clock and then white makes a move.
14407 * We give the human user a slight advantage if he is playing white---the
14408 * clocks don't run until he makes his first move, so it takes zero time.
14409 * Also, we don't account for network lag, so we could get out of sync
14410 * with GNU Chess's clock -- but then, referees are always right.
14413 static TimeMark tickStartTM;
14414 static long intendedTickLength;
14417 NextTickLength(timeRemaining)
14418 long timeRemaining;
14420 long nominalTickLength, nextTickLength;
14422 if (timeRemaining > 0L && timeRemaining <= 10000L)
14423 nominalTickLength = 100L;
14425 nominalTickLength = 1000L;
14426 nextTickLength = timeRemaining % nominalTickLength;
14427 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14429 return nextTickLength;
14432 /* Adjust clock one minute up or down */
14434 AdjustClock(Boolean which, int dir)
14436 if(which) blackTimeRemaining += 60000*dir;
14437 else whiteTimeRemaining += 60000*dir;
14438 DisplayBothClocks();
14441 /* Stop clocks and reset to a fresh time control */
14445 (void) StopClockTimer();
14446 if (appData.icsActive) {
14447 whiteTimeRemaining = blackTimeRemaining = 0;
14448 } else if (searchTime) {
14449 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14450 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14451 } else { /* [HGM] correct new time quote for time odds */
14452 whiteTC = blackTC = fullTimeControlString;
14453 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14454 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14456 if (whiteFlag || blackFlag) {
14458 whiteFlag = blackFlag = FALSE;
14460 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14461 DisplayBothClocks();
14464 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14466 /* Decrement running clock by amount of time that has passed */
14470 long timeRemaining;
14471 long lastTickLength, fudge;
14474 if (!appData.clockMode) return;
14475 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14479 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14481 /* Fudge if we woke up a little too soon */
14482 fudge = intendedTickLength - lastTickLength;
14483 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14485 if (WhiteOnMove(forwardMostMove)) {
14486 if(whiteNPS >= 0) lastTickLength = 0;
14487 timeRemaining = whiteTimeRemaining -= lastTickLength;
14488 if(timeRemaining < 0 && !appData.icsActive) {
14489 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14490 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14491 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14492 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14495 DisplayWhiteClock(whiteTimeRemaining - fudge,
14496 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14498 if(blackNPS >= 0) lastTickLength = 0;
14499 timeRemaining = blackTimeRemaining -= lastTickLength;
14500 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14501 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14503 blackStartMove = forwardMostMove;
14504 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14507 DisplayBlackClock(blackTimeRemaining - fudge,
14508 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14510 if (CheckFlags()) return;
14513 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14514 StartClockTimer(intendedTickLength);
14516 /* if the time remaining has fallen below the alarm threshold, sound the
14517 * alarm. if the alarm has sounded and (due to a takeback or time control
14518 * with increment) the time remaining has increased to a level above the
14519 * threshold, reset the alarm so it can sound again.
14522 if (appData.icsActive && appData.icsAlarm) {
14524 /* make sure we are dealing with the user's clock */
14525 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14526 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14529 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14530 alarmSounded = FALSE;
14531 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14533 alarmSounded = TRUE;
14539 /* A player has just moved, so stop the previously running
14540 clock and (if in clock mode) start the other one.
14541 We redisplay both clocks in case we're in ICS mode, because
14542 ICS gives us an update to both clocks after every move.
14543 Note that this routine is called *after* forwardMostMove
14544 is updated, so the last fractional tick must be subtracted
14545 from the color that is *not* on move now.
14548 SwitchClocks(int newMoveNr)
14550 long lastTickLength;
14552 int flagged = FALSE;
14556 if (StopClockTimer() && appData.clockMode) {
14557 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14558 if (!WhiteOnMove(forwardMostMove)) {
14559 if(blackNPS >= 0) lastTickLength = 0;
14560 blackTimeRemaining -= lastTickLength;
14561 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14562 // if(pvInfoList[forwardMostMove].time == -1)
14563 pvInfoList[forwardMostMove].time = // use GUI time
14564 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14566 if(whiteNPS >= 0) lastTickLength = 0;
14567 whiteTimeRemaining -= lastTickLength;
14568 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14569 // if(pvInfoList[forwardMostMove].time == -1)
14570 pvInfoList[forwardMostMove].time =
14571 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14573 flagged = CheckFlags();
14575 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14576 CheckTimeControl();
14578 if (flagged || !appData.clockMode) return;
14580 switch (gameMode) {
14581 case MachinePlaysBlack:
14582 case MachinePlaysWhite:
14583 case BeginningOfGame:
14584 if (pausing) return;
14588 case PlayFromGameFile:
14596 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14597 if(WhiteOnMove(forwardMostMove))
14598 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14599 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14603 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14604 whiteTimeRemaining : blackTimeRemaining);
14605 StartClockTimer(intendedTickLength);
14609 /* Stop both clocks */
14613 long lastTickLength;
14616 if (!StopClockTimer()) return;
14617 if (!appData.clockMode) return;
14621 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14622 if (WhiteOnMove(forwardMostMove)) {
14623 if(whiteNPS >= 0) lastTickLength = 0;
14624 whiteTimeRemaining -= lastTickLength;
14625 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14627 if(blackNPS >= 0) lastTickLength = 0;
14628 blackTimeRemaining -= lastTickLength;
14629 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14634 /* Start clock of player on move. Time may have been reset, so
14635 if clock is already running, stop and restart it. */
14639 (void) StopClockTimer(); /* in case it was running already */
14640 DisplayBothClocks();
14641 if (CheckFlags()) return;
14643 if (!appData.clockMode) return;
14644 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14646 GetTimeMark(&tickStartTM);
14647 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14648 whiteTimeRemaining : blackTimeRemaining);
14650 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14651 whiteNPS = blackNPS = -1;
14652 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14653 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14654 whiteNPS = first.nps;
14655 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14656 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14657 blackNPS = first.nps;
14658 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14659 whiteNPS = second.nps;
14660 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14661 blackNPS = second.nps;
14662 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14664 StartClockTimer(intendedTickLength);
14671 long second, minute, hour, day;
14673 static char buf[32];
14675 if (ms > 0 && ms <= 9900) {
14676 /* convert milliseconds to tenths, rounding up */
14677 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14679 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14683 /* convert milliseconds to seconds, rounding up */
14684 /* use floating point to avoid strangeness of integer division
14685 with negative dividends on many machines */
14686 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14693 day = second / (60 * 60 * 24);
14694 second = second % (60 * 60 * 24);
14695 hour = second / (60 * 60);
14696 second = second % (60 * 60);
14697 minute = second / 60;
14698 second = second % 60;
14701 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14702 sign, day, hour, minute, second);
14704 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14706 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14713 * This is necessary because some C libraries aren't ANSI C compliant yet.
14716 StrStr(string, match)
14717 char *string, *match;
14721 length = strlen(match);
14723 for (i = strlen(string) - length; i >= 0; i--, string++)
14724 if (!strncmp(match, string, length))
14731 StrCaseStr(string, match)
14732 char *string, *match;
14736 length = strlen(match);
14738 for (i = strlen(string) - length; i >= 0; i--, string++) {
14739 for (j = 0; j < length; j++) {
14740 if (ToLower(match[j]) != ToLower(string[j]))
14743 if (j == length) return string;
14757 c1 = ToLower(*s1++);
14758 c2 = ToLower(*s2++);
14759 if (c1 > c2) return 1;
14760 if (c1 < c2) return -1;
14761 if (c1 == NULLCHAR) return 0;
14770 return isupper(c) ? tolower(c) : c;
14778 return islower(c) ? toupper(c) : c;
14780 #endif /* !_amigados */
14788 if ((ret = (char *) malloc(strlen(s) + 1)))
14790 safeStrCpy(ret, s, strlen(s)+1);
14796 StrSavePtr(s, savePtr)
14797 char *s, **savePtr;
14802 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14803 safeStrCpy(*savePtr, s, strlen(s)+1);
14815 clock = time((time_t *)NULL);
14816 tm = localtime(&clock);
14817 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14818 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14819 return StrSave(buf);
14824 PositionToFEN(move, overrideCastling)
14826 char *overrideCastling;
14828 int i, j, fromX, fromY, toX, toY;
14835 whiteToPlay = (gameMode == EditPosition) ?
14836 !blackPlaysFirst : (move % 2 == 0);
14839 /* Piece placement data */
14840 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14842 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14843 if (boards[move][i][j] == EmptySquare) {
14845 } else { ChessSquare piece = boards[move][i][j];
14846 if (emptycount > 0) {
14847 if(emptycount<10) /* [HGM] can be >= 10 */
14848 *p++ = '0' + emptycount;
14849 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14852 if(PieceToChar(piece) == '+') {
14853 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14855 piece = (ChessSquare)(DEMOTED piece);
14857 *p++ = PieceToChar(piece);
14859 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14860 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14865 if (emptycount > 0) {
14866 if(emptycount<10) /* [HGM] can be >= 10 */
14867 *p++ = '0' + emptycount;
14868 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14875 /* [HGM] print Crazyhouse or Shogi holdings */
14876 if( gameInfo.holdingsWidth ) {
14877 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14879 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14880 piece = boards[move][i][BOARD_WIDTH-1];
14881 if( piece != EmptySquare )
14882 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14883 *p++ = PieceToChar(piece);
14885 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14886 piece = boards[move][BOARD_HEIGHT-i-1][0];
14887 if( piece != EmptySquare )
14888 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14889 *p++ = PieceToChar(piece);
14892 if( q == p ) *p++ = '-';
14898 *p++ = whiteToPlay ? 'w' : 'b';
14901 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14902 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14904 if(nrCastlingRights) {
14906 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14907 /* [HGM] write directly from rights */
14908 if(boards[move][CASTLING][2] != NoRights &&
14909 boards[move][CASTLING][0] != NoRights )
14910 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14911 if(boards[move][CASTLING][2] != NoRights &&
14912 boards[move][CASTLING][1] != NoRights )
14913 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14914 if(boards[move][CASTLING][5] != NoRights &&
14915 boards[move][CASTLING][3] != NoRights )
14916 *p++ = boards[move][CASTLING][3] + AAA;
14917 if(boards[move][CASTLING][5] != NoRights &&
14918 boards[move][CASTLING][4] != NoRights )
14919 *p++ = boards[move][CASTLING][4] + AAA;
14922 /* [HGM] write true castling rights */
14923 if( nrCastlingRights == 6 ) {
14924 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14925 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14926 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14927 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14928 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14929 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14930 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14931 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14934 if (q == p) *p++ = '-'; /* No castling rights */
14938 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14939 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14940 /* En passant target square */
14941 if (move > backwardMostMove) {
14942 fromX = moveList[move - 1][0] - AAA;
14943 fromY = moveList[move - 1][1] - ONE;
14944 toX = moveList[move - 1][2] - AAA;
14945 toY = moveList[move - 1][3] - ONE;
14946 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14947 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14948 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14950 /* 2-square pawn move just happened */
14952 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14956 } else if(move == backwardMostMove) {
14957 // [HGM] perhaps we should always do it like this, and forget the above?
14958 if((signed char)boards[move][EP_STATUS] >= 0) {
14959 *p++ = boards[move][EP_STATUS] + AAA;
14960 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14971 /* [HGM] find reversible plies */
14972 { int i = 0, j=move;
14974 if (appData.debugMode) { int k;
14975 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14976 for(k=backwardMostMove; k<=forwardMostMove; k++)
14977 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14981 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14982 if( j == backwardMostMove ) i += initialRulePlies;
14983 sprintf(p, "%d ", i);
14984 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14986 /* Fullmove number */
14987 sprintf(p, "%d", (move / 2) + 1);
14989 return StrSave(buf);
14993 ParseFEN(board, blackPlaysFirst, fen)
14995 int *blackPlaysFirst;
15005 /* [HGM] by default clear Crazyhouse holdings, if present */
15006 if(gameInfo.holdingsWidth) {
15007 for(i=0; i<BOARD_HEIGHT; i++) {
15008 board[i][0] = EmptySquare; /* black holdings */
15009 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15010 board[i][1] = (ChessSquare) 0; /* black counts */
15011 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15015 /* Piece placement data */
15016 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15019 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15020 if (*p == '/') p++;
15021 emptycount = gameInfo.boardWidth - j;
15022 while (emptycount--)
15023 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15025 #if(BOARD_FILES >= 10)
15026 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15027 p++; emptycount=10;
15028 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15029 while (emptycount--)
15030 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15032 } else if (isdigit(*p)) {
15033 emptycount = *p++ - '0';
15034 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15035 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15036 while (emptycount--)
15037 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15038 } else if (*p == '+' || isalpha(*p)) {
15039 if (j >= gameInfo.boardWidth) return FALSE;
15041 piece = CharToPiece(*++p);
15042 if(piece == EmptySquare) return FALSE; /* unknown piece */
15043 piece = (ChessSquare) (PROMOTED piece ); p++;
15044 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15045 } else piece = CharToPiece(*p++);
15047 if(piece==EmptySquare) return FALSE; /* unknown piece */
15048 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15049 piece = (ChessSquare) (PROMOTED piece);
15050 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15053 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15059 while (*p == '/' || *p == ' ') p++;
15061 /* [HGM] look for Crazyhouse holdings here */
15062 while(*p==' ') p++;
15063 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15065 if(*p == '-' ) p++; /* empty holdings */ else {
15066 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15067 /* if we would allow FEN reading to set board size, we would */
15068 /* have to add holdings and shift the board read so far here */
15069 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15071 if((int) piece >= (int) BlackPawn ) {
15072 i = (int)piece - (int)BlackPawn;
15073 i = PieceToNumber((ChessSquare)i);
15074 if( i >= gameInfo.holdingsSize ) return FALSE;
15075 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15076 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15078 i = (int)piece - (int)WhitePawn;
15079 i = PieceToNumber((ChessSquare)i);
15080 if( i >= gameInfo.holdingsSize ) return FALSE;
15081 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15082 board[i][BOARD_WIDTH-2]++; /* black holdings */
15089 while(*p == ' ') p++;
15093 if(appData.colorNickNames) {
15094 if( c == appData.colorNickNames[0] ) c = 'w'; else
15095 if( c == appData.colorNickNames[1] ) c = 'b';
15099 *blackPlaysFirst = FALSE;
15102 *blackPlaysFirst = TRUE;
15108 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15109 /* return the extra info in global variiables */
15111 /* set defaults in case FEN is incomplete */
15112 board[EP_STATUS] = EP_UNKNOWN;
15113 for(i=0; i<nrCastlingRights; i++ ) {
15114 board[CASTLING][i] =
15115 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15116 } /* assume possible unless obviously impossible */
15117 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15118 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15119 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15120 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15121 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15122 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15123 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15124 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15127 while(*p==' ') p++;
15128 if(nrCastlingRights) {
15129 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15130 /* castling indicator present, so default becomes no castlings */
15131 for(i=0; i<nrCastlingRights; i++ ) {
15132 board[CASTLING][i] = NoRights;
15135 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15136 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15137 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15138 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15139 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15141 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15142 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15143 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15145 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15146 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15147 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15148 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15149 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15150 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15153 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15154 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15155 board[CASTLING][2] = whiteKingFile;
15158 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15159 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15160 board[CASTLING][2] = whiteKingFile;
15163 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15164 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15165 board[CASTLING][5] = blackKingFile;
15168 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15169 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15170 board[CASTLING][5] = blackKingFile;
15173 default: /* FRC castlings */
15174 if(c >= 'a') { /* black rights */
15175 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15176 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15177 if(i == BOARD_RGHT) break;
15178 board[CASTLING][5] = i;
15180 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15181 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15183 board[CASTLING][3] = c;
15185 board[CASTLING][4] = c;
15186 } else { /* white rights */
15187 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15188 if(board[0][i] == WhiteKing) break;
15189 if(i == BOARD_RGHT) break;
15190 board[CASTLING][2] = i;
15191 c -= AAA - 'a' + 'A';
15192 if(board[0][c] >= WhiteKing) break;
15194 board[CASTLING][0] = c;
15196 board[CASTLING][1] = c;
15200 for(i=0; i<nrCastlingRights; i++)
15201 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15202 if (appData.debugMode) {
15203 fprintf(debugFP, "FEN castling rights:");
15204 for(i=0; i<nrCastlingRights; i++)
15205 fprintf(debugFP, " %d", board[CASTLING][i]);
15206 fprintf(debugFP, "\n");
15209 while(*p==' ') p++;
15212 /* read e.p. field in games that know e.p. capture */
15213 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15214 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15216 p++; board[EP_STATUS] = EP_NONE;
15218 char c = *p++ - AAA;
15220 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15221 if(*p >= '0' && *p <='9') p++;
15222 board[EP_STATUS] = c;
15227 if(sscanf(p, "%d", &i) == 1) {
15228 FENrulePlies = i; /* 50-move ply counter */
15229 /* (The move number is still ignored) */
15236 EditPositionPasteFEN(char *fen)
15239 Board initial_position;
15241 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15242 DisplayError(_("Bad FEN position in clipboard"), 0);
15245 int savedBlackPlaysFirst = blackPlaysFirst;
15246 EditPositionEvent();
15247 blackPlaysFirst = savedBlackPlaysFirst;
15248 CopyBoard(boards[0], initial_position);
15249 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15250 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15251 DisplayBothClocks();
15252 DrawPosition(FALSE, boards[currentMove]);
15257 static char cseq[12] = "\\ ";
15259 Boolean set_cont_sequence(char *new_seq)
15264 // handle bad attempts to set the sequence
15266 return 0; // acceptable error - no debug
15268 len = strlen(new_seq);
15269 ret = (len > 0) && (len < sizeof(cseq));
15271 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15272 else if (appData.debugMode)
15273 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15278 reformat a source message so words don't cross the width boundary. internal
15279 newlines are not removed. returns the wrapped size (no null character unless
15280 included in source message). If dest is NULL, only calculate the size required
15281 for the dest buffer. lp argument indicats line position upon entry, and it's
15282 passed back upon exit.
15284 int wrap(char *dest, char *src, int count, int width, int *lp)
15286 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15288 cseq_len = strlen(cseq);
15289 old_line = line = *lp;
15290 ansi = len = clen = 0;
15292 for (i=0; i < count; i++)
15294 if (src[i] == '\033')
15297 // if we hit the width, back up
15298 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15300 // store i & len in case the word is too long
15301 old_i = i, old_len = len;
15303 // find the end of the last word
15304 while (i && src[i] != ' ' && src[i] != '\n')
15310 // word too long? restore i & len before splitting it
15311 if ((old_i-i+clen) >= width)
15318 if (i && src[i-1] == ' ')
15321 if (src[i] != ' ' && src[i] != '\n')
15328 // now append the newline and continuation sequence
15333 strncpy(dest+len, cseq, cseq_len);
15341 dest[len] = src[i];
15345 if (src[i] == '\n')
15350 if (dest && appData.debugMode)
15352 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15353 count, width, line, len, *lp);
15354 show_bytes(debugFP, src, count);
15355 fprintf(debugFP, "\ndest: ");
15356 show_bytes(debugFP, dest, len);
15357 fprintf(debugFP, "\n");
15359 *lp = dest ? line : old_line;
15364 // [HGM] vari: routines for shelving variations
15367 PushTail(int firstMove, int lastMove)
15369 int i, j, nrMoves = lastMove - firstMove;
15371 if(appData.icsActive) { // only in local mode
15372 forwardMostMove = currentMove; // mimic old ICS behavior
15375 if(storedGames >= MAX_VARIATIONS-1) return;
15377 // push current tail of game on stack
15378 savedResult[storedGames] = gameInfo.result;
15379 savedDetails[storedGames] = gameInfo.resultDetails;
15380 gameInfo.resultDetails = NULL;
15381 savedFirst[storedGames] = firstMove;
15382 savedLast [storedGames] = lastMove;
15383 savedFramePtr[storedGames] = framePtr;
15384 framePtr -= nrMoves; // reserve space for the boards
15385 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15386 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15387 for(j=0; j<MOVE_LEN; j++)
15388 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15389 for(j=0; j<2*MOVE_LEN; j++)
15390 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15391 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15392 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15393 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15394 pvInfoList[firstMove+i-1].depth = 0;
15395 commentList[framePtr+i] = commentList[firstMove+i];
15396 commentList[firstMove+i] = NULL;
15400 forwardMostMove = firstMove; // truncate game so we can start variation
15401 if(storedGames == 1) GreyRevert(FALSE);
15405 PopTail(Boolean annotate)
15408 char buf[8000], moveBuf[20];
15410 if(appData.icsActive) return FALSE; // only in local mode
15411 if(!storedGames) return FALSE; // sanity
15412 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15415 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15416 nrMoves = savedLast[storedGames] - currentMove;
15419 if(!WhiteOnMove(currentMove))
15420 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15421 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15422 for(i=currentMove; i<forwardMostMove; i++) {
15424 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15425 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15426 strcat(buf, moveBuf);
15427 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15428 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15432 for(i=1; i<=nrMoves; i++) { // copy last variation back
15433 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15434 for(j=0; j<MOVE_LEN; j++)
15435 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15436 for(j=0; j<2*MOVE_LEN; j++)
15437 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15438 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15439 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15440 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15441 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15442 commentList[currentMove+i] = commentList[framePtr+i];
15443 commentList[framePtr+i] = NULL;
15445 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15446 framePtr = savedFramePtr[storedGames];
15447 gameInfo.result = savedResult[storedGames];
15448 if(gameInfo.resultDetails != NULL) {
15449 free(gameInfo.resultDetails);
15451 gameInfo.resultDetails = savedDetails[storedGames];
15452 forwardMostMove = currentMove + nrMoves;
15453 if(storedGames == 0) GreyRevert(TRUE);
15459 { // remove all shelved variations
15461 for(i=0; i<storedGames; i++) {
15462 if(savedDetails[i])
15463 free(savedDetails[i]);
15464 savedDetails[i] = NULL;
15466 for(i=framePtr; i<MAX_MOVES; i++) {
15467 if(commentList[i]) free(commentList[i]);
15468 commentList[i] = NULL;
15470 framePtr = MAX_MOVES-1;
15475 LoadVariation(int index, char *text)
15476 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15477 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15478 int level = 0, move;
15480 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15481 // first find outermost bracketing variation
15482 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15483 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15484 if(*p == '{') wait = '}'; else
15485 if(*p == '[') wait = ']'; else
15486 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15487 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15489 if(*p == wait) wait = NULLCHAR; // closing ]} found
15492 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15493 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15494 end[1] = NULLCHAR; // clip off comment beyond variation
15495 ToNrEvent(currentMove-1);
15496 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15497 // kludge: use ParsePV() to append variation to game
15498 move = currentMove;
15499 ParsePV(start, TRUE);
15500 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15501 ClearPremoveHighlights();
15503 ToNrEvent(currentMove+1);