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(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) // inherit info that ICS does not give from previous board
4372 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4373 ChessSquare old, new = boards[moveNum][k][j];
4374 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4375 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4376 if(old == new) continue;
4377 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4378 else if(new == WhiteWazir || new == BlackWazir) {
4379 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4380 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4381 else boards[moveNum][k][j] = old; // preserve type of Gold
4382 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4383 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4386 /* Move from ICS was illegal!? Punt. */
4387 if (appData.debugMode) {
4388 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4389 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4391 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4392 strcat(parseList[moveNum - 1], " ");
4393 strcat(parseList[moveNum - 1], elapsed_time);
4394 moveList[moveNum - 1][0] = NULLCHAR;
4395 fromX = fromY = toX = toY = -1;
4398 if (appData.debugMode) {
4399 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4400 setbuf(debugFP, NULL);
4404 /* Send move to chess program (BEFORE animating it). */
4405 if (appData.zippyPlay && !newGame && newMove &&
4406 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4408 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4409 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4410 if (moveList[moveNum - 1][0] == NULLCHAR) {
4411 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4413 DisplayError(str, 0);
4415 if (first.sendTime) {
4416 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4418 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4419 if (firstMove && !bookHit) {
4421 if (first.useColors) {
4422 SendToProgram(gameMode == IcsPlayingWhite ?
4424 "black\ngo\n", &first);
4426 SendToProgram("go\n", &first);
4428 first.maybeThinking = TRUE;
4431 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4432 if (moveList[moveNum - 1][0] == NULLCHAR) {
4433 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4434 DisplayError(str, 0);
4436 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4437 SendMoveToProgram(moveNum - 1, &first);
4444 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4445 /* If move comes from a remote source, animate it. If it
4446 isn't remote, it will have already been animated. */
4447 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4448 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4450 if (!pausing && appData.highlightLastMove) {
4451 SetHighlights(fromX, fromY, toX, toY);
4455 /* Start the clocks */
4456 whiteFlag = blackFlag = FALSE;
4457 appData.clockMode = !(basetime == 0 && increment == 0);
4459 ics_clock_paused = TRUE;
4461 } else if (ticking == 1) {
4462 ics_clock_paused = FALSE;
4464 if (gameMode == IcsIdle ||
4465 relation == RELATION_OBSERVING_STATIC ||
4466 relation == RELATION_EXAMINING ||
4468 DisplayBothClocks();
4472 /* Display opponents and material strengths */
4473 if (gameInfo.variant != VariantBughouse &&
4474 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4475 if (tinyLayout || smallLayout) {
4476 if(gameInfo.variant == VariantNormal)
4477 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4478 gameInfo.white, white_stren, gameInfo.black, black_stren,
4479 basetime, increment);
4481 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4482 gameInfo.white, white_stren, gameInfo.black, black_stren,
4483 basetime, increment, (int) gameInfo.variant);
4485 if(gameInfo.variant == VariantNormal)
4486 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4487 gameInfo.white, white_stren, gameInfo.black, black_stren,
4488 basetime, increment);
4490 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4491 gameInfo.white, white_stren, gameInfo.black, black_stren,
4492 basetime, increment, VariantName(gameInfo.variant));
4495 if (appData.debugMode) {
4496 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4501 /* Display the board */
4502 if (!pausing && !appData.noGUI) {
4504 if (appData.premove)
4506 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4507 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4508 ClearPremoveHighlights();
4510 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4511 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4512 DrawPosition(j, boards[currentMove]);
4514 DisplayMove(moveNum - 1);
4515 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4516 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4517 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4518 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4522 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4524 if(bookHit) { // [HGM] book: simulate book reply
4525 static char bookMove[MSG_SIZ]; // a bit generous?
4527 programStats.nodes = programStats.depth = programStats.time =
4528 programStats.score = programStats.got_only_move = 0;
4529 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4531 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4532 strcat(bookMove, bookHit);
4533 HandleMachineMove(bookMove, &first);
4542 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4550 AnalysisPeriodicEvent(force)
4553 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4554 && !force) || !appData.periodicUpdates)
4557 /* Send . command to Crafty to collect stats */
4558 SendToProgram(".\n", &first);
4560 /* Don't send another until we get a response (this makes
4561 us stop sending to old Crafty's which don't understand
4562 the "." command (sending illegal cmds resets node count & time,
4563 which looks bad)) */
4564 programStats.ok_to_send = 0;
4567 void ics_update_width(new_width)
4570 ics_printf("set width %d\n", new_width);
4574 SendMoveToProgram(moveNum, cps)
4576 ChessProgramState *cps;
4580 if (cps->useUsermove) {
4581 SendToProgram("usermove ", cps);
4585 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4586 int len = space - parseList[moveNum];
4587 memcpy(buf, parseList[moveNum], len);
4589 buf[len] = NULLCHAR;
4591 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4593 SendToProgram(buf, cps);
4595 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4596 AlphaRank(moveList[moveNum], 4);
4597 SendToProgram(moveList[moveNum], cps);
4598 AlphaRank(moveList[moveNum], 4); // and back
4600 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4601 * the engine. It would be nice to have a better way to identify castle
4603 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4604 && cps->useOOCastle) {
4605 int fromX = moveList[moveNum][0] - AAA;
4606 int fromY = moveList[moveNum][1] - ONE;
4607 int toX = moveList[moveNum][2] - AAA;
4608 int toY = moveList[moveNum][3] - ONE;
4609 if((boards[moveNum][fromY][fromX] == WhiteKing
4610 && boards[moveNum][toY][toX] == WhiteRook)
4611 || (boards[moveNum][fromY][fromX] == BlackKing
4612 && boards[moveNum][toY][toX] == BlackRook)) {
4613 if(toX > fromX) SendToProgram("O-O\n", cps);
4614 else SendToProgram("O-O-O\n", cps);
4616 else SendToProgram(moveList[moveNum], cps);
4618 else SendToProgram(moveList[moveNum], cps);
4619 /* End of additions by Tord */
4622 /* [HGM] setting up the opening has brought engine in force mode! */
4623 /* Send 'go' if we are in a mode where machine should play. */
4624 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4625 (gameMode == TwoMachinesPlay ||
4627 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4629 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4630 SendToProgram("go\n", cps);
4631 if (appData.debugMode) {
4632 fprintf(debugFP, "(extra)\n");
4635 setboardSpoiledMachineBlack = 0;
4639 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4641 int fromX, fromY, toX, toY;
4644 char user_move[MSG_SIZ];
4648 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4649 (int)moveType, fromX, fromY, toX, toY);
4650 DisplayError(user_move + strlen("say "), 0);
4652 case WhiteKingSideCastle:
4653 case BlackKingSideCastle:
4654 case WhiteQueenSideCastleWild:
4655 case BlackQueenSideCastleWild:
4657 case WhiteHSideCastleFR:
4658 case BlackHSideCastleFR:
4660 snprintf(user_move, MSG_SIZ, "o-o\n");
4662 case WhiteQueenSideCastle:
4663 case BlackQueenSideCastle:
4664 case WhiteKingSideCastleWild:
4665 case BlackKingSideCastleWild:
4667 case WhiteASideCastleFR:
4668 case BlackASideCastleFR:
4670 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4672 case WhiteNonPromotion:
4673 case BlackNonPromotion:
4674 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4676 case WhitePromotion:
4677 case BlackPromotion:
4678 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4679 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4680 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4681 PieceToChar(WhiteFerz));
4682 else if(gameInfo.variant == VariantGreat)
4683 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4684 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4685 PieceToChar(WhiteMan));
4687 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4688 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4694 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4695 ToUpper(PieceToChar((ChessSquare) fromX)),
4696 AAA + toX, ONE + toY);
4698 case IllegalMove: /* could be a variant we don't quite understand */
4699 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4701 case WhiteCapturesEnPassant:
4702 case BlackCapturesEnPassant:
4703 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4704 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4707 SendToICS(user_move);
4708 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4709 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
4714 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
4715 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
4716 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
4717 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
4718 DisplayError("You cannot do this while you are playing or observing", 0);
4721 if(gameMode != IcsExamining) { // is this ever not the case?
4722 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
4724 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
4725 snprintf(command,MSG_SIZ, "match %s", ics_handle);
4726 } else { // on FICS we must first go to general examine mode
4727 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
4729 if(gameInfo.variant != VariantNormal) {
4730 // try figure out wild number, as xboard names are not always valid on ICS
4731 for(i=1; i<=36; i++) {
4732 snprintf(buf, MSG_SIZ, "wild/%d", i);
4733 if(StringToVariant(buf) == gameInfo.variant) break;
4735 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
4736 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
4737 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
4738 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
4739 SendToICS(ics_prefix);
4741 if(startedFromSetupPosition || backwardMostMove != 0) {
4742 fen = PositionToFEN(backwardMostMove, NULL);
4743 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
4744 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
4746 } else { // FICS: everything has to set by separate bsetup commands
4747 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
4748 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
4750 if(!WhiteOnMove(backwardMostMove)) {
4751 SendToICS("bsetup tomove black\n");
4753 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
4754 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
4756 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
4757 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
4759 i = boards[backwardMostMove][EP_STATUS];
4760 if(i >= 0) { // set e.p.
4761 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
4767 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
4768 SendToICS("bsetup done\n"); // switch to normal examining.
4770 for(i = backwardMostMove; i<last; i++) {
4772 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
4775 SendToICS(ics_prefix);
4776 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
4780 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
4785 if (rf == DROP_RANK) {
4786 sprintf(move, "%c@%c%c\n",
4787 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
4789 if (promoChar == 'x' || promoChar == NULLCHAR) {
4790 sprintf(move, "%c%c%c%c\n",
4791 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
4793 sprintf(move, "%c%c%c%c%c\n",
4794 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
4800 ProcessICSInitScript(f)
4805 while (fgets(buf, MSG_SIZ, f)) {
4806 SendToICSDelayed(buf,(long)appData.msLoginDelay);
4813 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
4815 AlphaRank(char *move, int n)
4817 // char *p = move, c; int x, y;
4819 if (appData.debugMode) {
4820 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
4824 move[2]>='0' && move[2]<='9' &&
4825 move[3]>='a' && move[3]<='x' ) {
4827 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4828 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4830 if(move[0]>='0' && move[0]<='9' &&
4831 move[1]>='a' && move[1]<='x' &&
4832 move[2]>='0' && move[2]<='9' &&
4833 move[3]>='a' && move[3]<='x' ) {
4834 /* input move, Shogi -> normal */
4835 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
4836 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
4837 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
4838 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
4841 move[3]>='0' && move[3]<='9' &&
4842 move[2]>='a' && move[2]<='x' ) {
4844 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4845 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4848 move[0]>='a' && move[0]<='x' &&
4849 move[3]>='0' && move[3]<='9' &&
4850 move[2]>='a' && move[2]<='x' ) {
4851 /* output move, normal -> Shogi */
4852 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
4853 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
4854 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
4855 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
4856 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
4858 if (appData.debugMode) {
4859 fprintf(debugFP, " out = '%s'\n", move);
4863 char yy_textstr[8000];
4865 /* Parser for moves from gnuchess, ICS, or user typein box */
4867 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
4870 ChessMove *moveType;
4871 int *fromX, *fromY, *toX, *toY;
4874 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
4876 switch (*moveType) {
4877 case WhitePromotion:
4878 case BlackPromotion:
4879 case WhiteNonPromotion:
4880 case BlackNonPromotion:
4882 case WhiteCapturesEnPassant:
4883 case BlackCapturesEnPassant:
4884 case WhiteKingSideCastle:
4885 case WhiteQueenSideCastle:
4886 case BlackKingSideCastle:
4887 case BlackQueenSideCastle:
4888 case WhiteKingSideCastleWild:
4889 case WhiteQueenSideCastleWild:
4890 case BlackKingSideCastleWild:
4891 case BlackQueenSideCastleWild:
4892 /* Code added by Tord: */
4893 case WhiteHSideCastleFR:
4894 case WhiteASideCastleFR:
4895 case BlackHSideCastleFR:
4896 case BlackASideCastleFR:
4897 /* End of code added by Tord */
4898 case IllegalMove: /* bug or odd chess variant */
4899 *fromX = currentMoveString[0] - AAA;
4900 *fromY = currentMoveString[1] - ONE;
4901 *toX = currentMoveString[2] - AAA;
4902 *toY = currentMoveString[3] - ONE;
4903 *promoChar = currentMoveString[4];
4904 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
4905 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
4909 *fromX = *fromY = *toX = *toY = 0;
4912 if (appData.testLegality) {
4913 return (*moveType != IllegalMove);
4915 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
4916 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
4921 *fromX = *moveType == WhiteDrop ?
4922 (int) CharToPiece(ToUpper(currentMoveString[0])) :
4923 (int) CharToPiece(ToLower(currentMoveString[0]));
4925 *toX = currentMoveString[2] - AAA;
4926 *toY = currentMoveString[3] - ONE;
4927 *promoChar = NULLCHAR;
4931 case ImpossibleMove:
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
4945 *fromX = *fromY = *toX = *toY = 0;
4946 *promoChar = NULLCHAR;
4953 ParsePV(char *pv, Boolean storeComments)
4954 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
4955 int fromX, fromY, toX, toY; char promoChar;
4960 endPV = forwardMostMove;
4962 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
4963 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
4964 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
4965 if(appData.debugMode){
4966 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);
4968 if(!valid && nr == 0 &&
4969 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
4970 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
4971 // Hande case where played move is different from leading PV move
4972 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
4973 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
4974 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
4975 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
4976 endPV += 2; // if position different, keep this
4977 moveList[endPV-1][0] = fromX + AAA;
4978 moveList[endPV-1][1] = fromY + ONE;
4979 moveList[endPV-1][2] = toX + AAA;
4980 moveList[endPV-1][3] = toY + ONE;
4981 parseList[endPV-1][0] = NULLCHAR;
4982 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
4985 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
4986 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
4987 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
4988 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
4989 valid++; // allow comments in PV
4993 if(endPV+1 > framePtr) break; // no space, truncate
4996 CopyBoard(boards[endPV], boards[endPV-1]);
4997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
4998 moveList[endPV-1][0] = fromX + AAA;
4999 moveList[endPV-1][1] = fromY + ONE;
5000 moveList[endPV-1][2] = toX + AAA;
5001 moveList[endPV-1][3] = toY + ONE;
5002 moveList[endPV-1][4] = promoChar;
5003 moveList[endPV-1][5] = NULLCHAR;
5004 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5006 CoordsToAlgebraic(boards[endPV - 1],
5007 PosFlags(endPV - 1),
5008 fromY, fromX, toY, toX, promoChar,
5009 parseList[endPV - 1]);
5011 parseList[endPV-1][0] = NULLCHAR;
5013 currentMove = endPV;
5014 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5015 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5016 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5017 DrawPosition(TRUE, boards[currentMove]);
5020 static int lastX, lastY;
5023 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5028 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5029 lastX = x; lastY = y;
5030 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5032 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5033 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5035 do{ while(buf[index] && buf[index] != '\n') index++;
5036 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5038 ParsePV(buf+startPV, FALSE);
5039 *start = startPV; *end = index-1;
5044 LoadPV(int x, int y)
5045 { // called on right mouse click to load PV
5046 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5047 lastX = x; lastY = y;
5048 ParsePV(lastPV[which], FALSE); // load the PV of the thinking engine in the boards array.
5055 if(endPV < 0) return;
5057 currentMove = forwardMostMove;
5058 ClearPremoveHighlights();
5059 DrawPosition(TRUE, boards[currentMove]);
5063 MovePV(int x, int y, int h)
5064 { // step through PV based on mouse coordinates (called on mouse move)
5065 int margin = h>>3, step = 0;
5067 if(endPV < 0) return;
5068 // we must somehow check if right button is still down (might be released off board!)
5069 if(y < margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = 1; else
5070 if(y > h - margin && (abs(x - lastX) > 6 || abs(y - lastY) > 6)) step = -1; else
5071 if( y > lastY + 6 ) step = -1; else if(y < lastY - 6) step = 1;
5073 lastX = x; lastY = y;
5074 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5075 currentMove += step;
5076 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5077 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5078 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5079 DrawPosition(FALSE, boards[currentMove]);
5083 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5084 // All positions will have equal probability, but the current method will not provide a unique
5085 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5091 int piecesLeft[(int)BlackPawn];
5092 int seed, nrOfShuffles;
5094 void GetPositionNumber()
5095 { // sets global variable seed
5098 seed = appData.defaultFrcPosition;
5099 if(seed < 0) { // randomize based on time for negative FRC position numbers
5100 for(i=0; i<50; i++) seed += random();
5101 seed = random() ^ random() >> 8 ^ random() << 8;
5102 if(seed<0) seed = -seed;
5106 int put(Board board, int pieceType, int rank, int n, int shade)
5107 // put the piece on the (n-1)-th empty squares of the given shade
5111 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5112 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5113 board[rank][i] = (ChessSquare) pieceType;
5114 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5116 piecesLeft[pieceType]--;
5124 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5125 // calculate where the next piece goes, (any empty square), and put it there
5129 i = seed % squaresLeft[shade];
5130 nrOfShuffles *= squaresLeft[shade];
5131 seed /= squaresLeft[shade];
5132 put(board, pieceType, rank, i, shade);
5135 void AddTwoPieces(Board board, int pieceType, int rank)
5136 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5138 int i, n=squaresLeft[ANY], j=n-1, k;
5140 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5141 i = seed % k; // pick one
5144 while(i >= j) i -= j--;
5145 j = n - 1 - j; i += j;
5146 put(board, pieceType, rank, j, ANY);
5147 put(board, pieceType, rank, i, ANY);
5150 void SetUpShuffle(Board board, int number)
5154 GetPositionNumber(); nrOfShuffles = 1;
5156 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5157 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5158 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5160 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5163 p = (int) board[0][i];
5164 if(p < (int) BlackPawn) piecesLeft[p] ++;
5165 board[0][i] = EmptySquare;
5168 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5169 // shuffles restricted to allow normal castling put KRR first
5170 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5171 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5172 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5173 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5174 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5175 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5176 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5177 put(board, WhiteRook, 0, 0, ANY);
5178 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5181 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5182 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5183 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5184 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5185 while(piecesLeft[p] >= 2) {
5186 AddOnePiece(board, p, 0, LITE);
5187 AddOnePiece(board, p, 0, DARK);
5189 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5192 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5193 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5194 // but we leave King and Rooks for last, to possibly obey FRC restriction
5195 if(p == (int)WhiteRook) continue;
5196 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5197 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5200 // now everything is placed, except perhaps King (Unicorn) and Rooks
5202 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5203 // Last King gets castling rights
5204 while(piecesLeft[(int)WhiteUnicorn]) {
5205 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5206 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5209 while(piecesLeft[(int)WhiteKing]) {
5210 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5211 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5216 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5217 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5220 // Only Rooks can be left; simply place them all
5221 while(piecesLeft[(int)WhiteRook]) {
5222 i = put(board, WhiteRook, 0, 0, ANY);
5223 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5226 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5228 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5231 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5232 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5235 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5238 int SetCharTable( char *table, const char * map )
5239 /* [HGM] moved here from winboard.c because of its general usefulness */
5240 /* Basically a safe strcpy that uses the last character as King */
5242 int result = FALSE; int NrPieces;
5244 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5245 && NrPieces >= 12 && !(NrPieces&1)) {
5246 int i; /* [HGM] Accept even length from 12 to 34 */
5248 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5249 for( i=0; i<NrPieces/2-1; i++ ) {
5251 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5253 table[(int) WhiteKing] = map[NrPieces/2-1];
5254 table[(int) BlackKing] = map[NrPieces-1];
5262 void Prelude(Board board)
5263 { // [HGM] superchess: random selection of exo-pieces
5264 int i, j, k; ChessSquare p;
5265 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5267 GetPositionNumber(); // use FRC position number
5269 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5270 SetCharTable(pieceToChar, appData.pieceToCharTable);
5271 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5272 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5275 j = seed%4; seed /= 4;
5276 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5277 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5278 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5279 j = seed%3 + (seed%3 >= j); seed /= 3;
5280 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5281 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5282 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5283 j = seed%3; seed /= 3;
5284 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5285 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5286 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5287 j = seed%2 + (seed%2 >= j); seed /= 2;
5288 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5289 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5290 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5291 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5292 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5293 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5294 put(board, exoPieces[0], 0, 0, ANY);
5295 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5299 InitPosition(redraw)
5302 ChessSquare (* pieces)[BOARD_FILES];
5303 int i, j, pawnRow, overrule,
5304 oldx = gameInfo.boardWidth,
5305 oldy = gameInfo.boardHeight,
5306 oldh = gameInfo.holdingsWidth;
5309 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5311 /* [AS] Initialize pv info list [HGM] and game status */
5313 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5314 pvInfoList[i].depth = 0;
5315 boards[i][EP_STATUS] = EP_NONE;
5316 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5319 initialRulePlies = 0; /* 50-move counter start */
5321 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5322 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5326 /* [HGM] logic here is completely changed. In stead of full positions */
5327 /* the initialized data only consist of the two backranks. The switch */
5328 /* selects which one we will use, which is than copied to the Board */
5329 /* initialPosition, which for the rest is initialized by Pawns and */
5330 /* empty squares. This initial position is then copied to boards[0], */
5331 /* possibly after shuffling, so that it remains available. */
5333 gameInfo.holdingsWidth = 0; /* default board sizes */
5334 gameInfo.boardWidth = 8;
5335 gameInfo.boardHeight = 8;
5336 gameInfo.holdingsSize = 0;
5337 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5338 for(i=0; i<BOARD_FILES-2; i++)
5339 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5340 initialPosition[EP_STATUS] = EP_NONE;
5341 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5342 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5343 SetCharTable(pieceNickName, appData.pieceNickNames);
5344 else SetCharTable(pieceNickName, "............");
5347 switch (gameInfo.variant) {
5348 case VariantFischeRandom:
5349 shuffleOpenings = TRUE;
5352 case VariantShatranj:
5353 pieces = ShatranjArray;
5354 nrCastlingRights = 0;
5355 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5358 pieces = makrukArray;
5359 nrCastlingRights = 0;
5360 startedFromSetupPosition = TRUE;
5361 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5363 case VariantTwoKings:
5364 pieces = twoKingsArray;
5366 case VariantCapaRandom:
5367 shuffleOpenings = TRUE;
5368 case VariantCapablanca:
5369 pieces = CapablancaArray;
5370 gameInfo.boardWidth = 10;
5371 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5374 pieces = GothicArray;
5375 gameInfo.boardWidth = 10;
5376 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5379 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5380 gameInfo.holdingsSize = 7;
5383 pieces = JanusArray;
5384 gameInfo.boardWidth = 10;
5385 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5386 nrCastlingRights = 6;
5387 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5388 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5389 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5390 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5391 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5392 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5395 pieces = FalconArray;
5396 gameInfo.boardWidth = 10;
5397 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5399 case VariantXiangqi:
5400 pieces = XiangqiArray;
5401 gameInfo.boardWidth = 9;
5402 gameInfo.boardHeight = 10;
5403 nrCastlingRights = 0;
5404 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5407 pieces = ShogiArray;
5408 gameInfo.boardWidth = 9;
5409 gameInfo.boardHeight = 9;
5410 gameInfo.holdingsSize = 7;
5411 nrCastlingRights = 0;
5412 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5414 case VariantCourier:
5415 pieces = CourierArray;
5416 gameInfo.boardWidth = 12;
5417 nrCastlingRights = 0;
5418 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5420 case VariantKnightmate:
5421 pieces = KnightmateArray;
5422 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5424 case VariantSpartan:
5425 pieces = SpartanArray;
5426 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5429 pieces = fairyArray;
5430 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5433 pieces = GreatArray;
5434 gameInfo.boardWidth = 10;
5435 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5436 gameInfo.holdingsSize = 8;
5440 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5441 gameInfo.holdingsSize = 8;
5442 startedFromSetupPosition = TRUE;
5444 case VariantCrazyhouse:
5445 case VariantBughouse:
5447 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5448 gameInfo.holdingsSize = 5;
5450 case VariantWildCastle:
5452 /* !!?shuffle with kings guaranteed to be on d or e file */
5453 shuffleOpenings = 1;
5455 case VariantNoCastle:
5457 nrCastlingRights = 0;
5458 /* !!?unconstrained back-rank shuffle */
5459 shuffleOpenings = 1;
5464 if(appData.NrFiles >= 0) {
5465 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5466 gameInfo.boardWidth = appData.NrFiles;
5468 if(appData.NrRanks >= 0) {
5469 gameInfo.boardHeight = appData.NrRanks;
5471 if(appData.holdingsSize >= 0) {
5472 i = appData.holdingsSize;
5473 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5474 gameInfo.holdingsSize = i;
5476 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5477 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5478 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5480 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5481 if(pawnRow < 1) pawnRow = 1;
5482 if(gameInfo.variant == VariantMakruk) pawnRow = 2;
5484 /* User pieceToChar list overrules defaults */
5485 if(appData.pieceToCharTable != NULL)
5486 SetCharTable(pieceToChar, appData.pieceToCharTable);
5488 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5490 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5491 s = (ChessSquare) 0; /* account holding counts in guard band */
5492 for( i=0; i<BOARD_HEIGHT; i++ )
5493 initialPosition[i][j] = s;
5495 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5496 initialPosition[0][j] = pieces[0][j-gameInfo.holdingsWidth];
5497 initialPosition[pawnRow][j] = WhitePawn;
5498 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5499 if(gameInfo.variant == VariantXiangqi) {
5501 initialPosition[pawnRow][j] =
5502 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5503 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5504 initialPosition[2][j] = WhiteCannon;
5505 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5509 initialPosition[BOARD_HEIGHT-1][j] = pieces[1][j-gameInfo.holdingsWidth];
5511 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5514 initialPosition[1][j] = WhiteBishop;
5515 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5517 initialPosition[1][j] = WhiteRook;
5518 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5521 if( nrCastlingRights == -1) {
5522 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5523 /* This sets default castling rights from none to normal corners */
5524 /* Variants with other castling rights must set them themselves above */
5525 nrCastlingRights = 6;
5527 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5528 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5529 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5530 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5531 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5532 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5535 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5536 if(gameInfo.variant == VariantGreat) { // promotion commoners
5537 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5538 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5539 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5540 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5542 if( gameInfo.variant == VariantSChess ) {
5543 initialPosition[1][0] = BlackMarshall;
5544 initialPosition[2][0] = BlackAngel;
5545 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5546 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5547 initialPosition[1][1] = initialPosition[2][1] =
5548 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5550 if (appData.debugMode) {
5551 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5553 if(shuffleOpenings) {
5554 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5555 startedFromSetupPosition = TRUE;
5557 if(startedFromPositionFile) {
5558 /* [HGM] loadPos: use PositionFile for every new game */
5559 CopyBoard(initialPosition, filePosition);
5560 for(i=0; i<nrCastlingRights; i++)
5561 initialRights[i] = filePosition[CASTLING][i];
5562 startedFromSetupPosition = TRUE;
5565 CopyBoard(boards[0], initialPosition);
5567 if(oldx != gameInfo.boardWidth ||
5568 oldy != gameInfo.boardHeight ||
5569 oldv != gameInfo.variant ||
5570 oldh != gameInfo.holdingsWidth
5572 InitDrawingSizes(-2 ,0);
5574 oldv = gameInfo.variant;
5576 DrawPosition(TRUE, boards[currentMove]);
5580 SendBoard(cps, moveNum)
5581 ChessProgramState *cps;
5584 char message[MSG_SIZ];
5586 if (cps->useSetboard) {
5587 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5588 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5589 SendToProgram(message, cps);
5595 /* Kludge to set black to move, avoiding the troublesome and now
5596 * deprecated "black" command.
5598 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
5599 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
5601 SendToProgram("edit\n", cps);
5602 SendToProgram("#\n", cps);
5603 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5604 bp = &boards[moveNum][i][BOARD_LEFT];
5605 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5606 if ((int) *bp < (int) BlackPawn) {
5607 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
5609 if(message[0] == '+' || message[0] == '~') {
5610 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5611 PieceToChar((ChessSquare)(DEMOTED *bp)),
5614 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5615 message[1] = BOARD_RGHT - 1 - j + '1';
5616 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5618 SendToProgram(message, cps);
5623 SendToProgram("c\n", cps);
5624 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
5625 bp = &boards[moveNum][i][BOARD_LEFT];
5626 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
5627 if (((int) *bp != (int) EmptySquare)
5628 && ((int) *bp >= (int) BlackPawn)) {
5629 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
5631 if(message[0] == '+' || message[0] == '~') {
5632 snprintf(message, MSG_SIZ,"%c%c%c+\n",
5633 PieceToChar((ChessSquare)(DEMOTED *bp)),
5636 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
5637 message[1] = BOARD_RGHT - 1 - j + '1';
5638 message[2] = BOARD_HEIGHT - 1 - i + 'a';
5640 SendToProgram(message, cps);
5645 SendToProgram(".\n", cps);
5647 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
5650 static int autoQueen; // [HGM] oneclick
5653 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice)
5655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
5656 /* [HGM] add Shogi promotions */
5657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
5662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
5663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
5665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
5666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
5669 piece = boards[currentMove][fromY][fromX];
5670 if(gameInfo.variant == VariantShogi) {
5671 promotionZoneSize = BOARD_HEIGHT/3;
5672 highestPromotingPiece = (int)WhiteFerz;
5673 } else if(gameInfo.variant == VariantMakruk) {
5674 promotionZoneSize = 3;
5677 // Treat Lance as Pawn when it is not representing Amazon
5678 if(gameInfo.variant != VariantSuper) {
5679 if(piece == WhiteLance) piece = WhitePawn; else
5680 if(piece == BlackLance) piece = BlackPawn;
5683 // next weed out all moves that do not touch the promotion zone at all
5684 if((int)piece >= BlackPawn) {
5685 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
5687 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
5689 if( toY < BOARD_HEIGHT - promotionZoneSize &&
5690 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
5693 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
5695 // weed out mandatory Shogi promotions
5696 if(gameInfo.variant == VariantShogi) {
5697 if(piece >= BlackPawn) {
5698 if(toY == 0 && piece == BlackPawn ||
5699 toY == 0 && piece == BlackQueen ||
5700 toY <= 1 && piece == BlackKnight) {
5705 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
5706 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
5707 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
5714 // weed out obviously illegal Pawn moves
5715 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
5716 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
5717 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
5718 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
5719 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
5720 // note we are not allowed to test for valid (non-)capture, due to premove
5723 // we either have a choice what to promote to, or (in Shogi) whether to promote
5724 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
5725 *promoChoice = PieceToChar(BlackFerz); // no choice
5728 // no sense asking what we must promote to if it is going to explode...
5729 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
5730 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
5733 if(autoQueen) { // predetermined
5734 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantLosers)
5735 *promoChoice = PieceToChar(BlackKing); // in Suicide Q is the last thing we want
5736 else *promoChoice = PieceToChar(BlackQueen);
5740 // suppress promotion popup on illegal moves that are not premoves
5741 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
5742 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
5743 if(appData.testLegality && !premove) {
5744 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
5745 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
5746 if(moveType != WhitePromotion && moveType != BlackPromotion)
5754 InPalace(row, column)
5756 { /* [HGM] for Xiangqi */
5757 if( (row < 3 || row > BOARD_HEIGHT-4) &&
5758 column < (BOARD_WIDTH + 4)/2 &&
5759 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
5764 PieceForSquare (x, y)
5768 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
5771 return boards[currentMove][y][x];
5775 OKToStartUserMove(x, y)
5778 ChessSquare from_piece;
5781 if (matchMode) return FALSE;
5782 if (gameMode == EditPosition) return TRUE;
5784 if (x >= 0 && y >= 0)
5785 from_piece = boards[currentMove][y][x];
5787 from_piece = EmptySquare;
5789 if (from_piece == EmptySquare) return FALSE;
5791 white_piece = (int)from_piece >= (int)WhitePawn &&
5792 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
5795 case PlayFromGameFile:
5797 case TwoMachinesPlay:
5805 case MachinePlaysWhite:
5806 case IcsPlayingBlack:
5807 if (appData.zippyPlay) return FALSE;
5809 DisplayMoveError(_("You are playing Black"));
5814 case MachinePlaysBlack:
5815 case IcsPlayingWhite:
5816 if (appData.zippyPlay) return FALSE;
5818 DisplayMoveError(_("You are playing White"));
5824 if (!white_piece && WhiteOnMove(currentMove)) {
5825 DisplayMoveError(_("It is White's turn"));
5828 if (white_piece && !WhiteOnMove(currentMove)) {
5829 DisplayMoveError(_("It is Black's turn"));
5832 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
5833 /* Editing correspondence game history */
5834 /* Could disallow this or prompt for confirmation */
5839 case BeginningOfGame:
5840 if (appData.icsActive) return FALSE;
5841 if (!appData.noChessProgram) {
5843 DisplayMoveError(_("You are playing White"));
5850 if (!white_piece && WhiteOnMove(currentMove)) {
5851 DisplayMoveError(_("It is White's turn"));
5854 if (white_piece && !WhiteOnMove(currentMove)) {
5855 DisplayMoveError(_("It is Black's turn"));
5864 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
5865 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
5866 && gameMode != AnalyzeFile && gameMode != Training) {
5867 DisplayMoveError(_("Displayed position is not current"));
5874 OnlyMove(int *x, int *y, Boolean captures) {
5875 DisambiguateClosure cl;
5876 if (appData.zippyPlay) return FALSE;
5878 case MachinePlaysBlack:
5879 case IcsPlayingWhite:
5880 case BeginningOfGame:
5881 if(!WhiteOnMove(currentMove)) return FALSE;
5883 case MachinePlaysWhite:
5884 case IcsPlayingBlack:
5885 if(WhiteOnMove(currentMove)) return FALSE;
5892 cl.pieceIn = EmptySquare;
5897 cl.promoCharIn = NULLCHAR;
5898 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5899 if( cl.kind == NormalMove ||
5900 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5901 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5902 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5909 if(cl.kind != ImpossibleMove) return FALSE;
5910 cl.pieceIn = EmptySquare;
5915 cl.promoCharIn = NULLCHAR;
5916 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
5917 if( cl.kind == NormalMove ||
5918 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
5919 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
5920 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
5925 autoQueen = TRUE; // act as if autoQueen on when we click to-square
5931 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
5932 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
5933 int lastLoadGameUseList = FALSE;
5934 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
5935 ChessMove lastLoadGameStart = EndOfFile;
5938 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
5939 int fromX, fromY, toX, toY;
5943 ChessSquare pdown, pup;
5945 /* Check if the user is playing in turn. This is complicated because we
5946 let the user "pick up" a piece before it is his turn. So the piece he
5947 tried to pick up may have been captured by the time he puts it down!
5948 Therefore we use the color the user is supposed to be playing in this
5949 test, not the color of the piece that is currently on the starting
5950 square---except in EditGame mode, where the user is playing both
5951 sides; fortunately there the capture race can't happen. (It can
5952 now happen in IcsExamining mode, but that's just too bad. The user
5953 will get a somewhat confusing message in that case.)
5957 case PlayFromGameFile:
5959 case TwoMachinesPlay:
5963 /* We switched into a game mode where moves are not accepted,
5964 perhaps while the mouse button was down. */
5967 case MachinePlaysWhite:
5968 /* User is moving for Black */
5969 if (WhiteOnMove(currentMove)) {
5970 DisplayMoveError(_("It is White's turn"));
5975 case MachinePlaysBlack:
5976 /* User is moving for White */
5977 if (!WhiteOnMove(currentMove)) {
5978 DisplayMoveError(_("It is Black's turn"));
5985 case BeginningOfGame:
5988 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
5989 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5990 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5991 /* User is moving for Black */
5992 if (WhiteOnMove(currentMove)) {
5993 DisplayMoveError(_("It is White's turn"));
5997 /* User is moving for White */
5998 if (!WhiteOnMove(currentMove)) {
5999 DisplayMoveError(_("It is Black's turn"));
6005 case IcsPlayingBlack:
6006 /* User is moving for Black */
6007 if (WhiteOnMove(currentMove)) {
6008 if (!appData.premove) {
6009 DisplayMoveError(_("It is White's turn"));
6010 } else if (toX >= 0 && toY >= 0) {
6013 premoveFromX = fromX;
6014 premoveFromY = fromY;
6015 premovePromoChar = promoChar;
6017 if (appData.debugMode)
6018 fprintf(debugFP, "Got premove: fromX %d,"
6019 "fromY %d, toX %d, toY %d\n",
6020 fromX, fromY, toX, toY);
6026 case IcsPlayingWhite:
6027 /* User is moving for White */
6028 if (!WhiteOnMove(currentMove)) {
6029 if (!appData.premove) {
6030 DisplayMoveError(_("It is Black's turn"));
6031 } else if (toX >= 0 && toY >= 0) {
6034 premoveFromX = fromX;
6035 premoveFromY = fromY;
6036 premovePromoChar = promoChar;
6038 if (appData.debugMode)
6039 fprintf(debugFP, "Got premove: fromX %d,"
6040 "fromY %d, toX %d, toY %d\n",
6041 fromX, fromY, toX, toY);
6051 /* EditPosition, empty square, or different color piece;
6052 click-click move is possible */
6053 if (toX == -2 || toY == -2) {
6054 boards[0][fromY][fromX] = EmptySquare;
6055 DrawPosition(FALSE, boards[currentMove]);
6057 } else if (toX >= 0 && toY >= 0) {
6058 boards[0][toY][toX] = boards[0][fromY][fromX];
6059 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6060 if(boards[0][fromY][0] != EmptySquare) {
6061 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6062 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6065 if(fromX == BOARD_RGHT+1) {
6066 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6067 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6068 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6071 boards[0][fromY][fromX] = EmptySquare;
6072 DrawPosition(FALSE, boards[currentMove]);
6078 if(toX < 0 || toY < 0) return;
6079 pdown = boards[currentMove][fromY][fromX];
6080 pup = boards[currentMove][toY][toX];
6082 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6083 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6084 if( pup != EmptySquare ) return;
6085 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6086 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6087 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6088 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6089 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6090 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6091 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6095 /* [HGM] always test for legality, to get promotion info */
6096 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6097 fromY, fromX, toY, toX, promoChar);
6098 /* [HGM] but possibly ignore an IllegalMove result */
6099 if (appData.testLegality) {
6100 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6101 DisplayMoveError(_("Illegal move"));
6106 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6109 /* Common tail of UserMoveEvent and DropMenuEvent */
6111 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6113 int fromX, fromY, toX, toY;
6114 /*char*/int promoChar;
6118 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6119 // [HGM] superchess: suppress promotions to non-available piece
6120 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6121 if(WhiteOnMove(currentMove)) {
6122 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6124 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6128 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6129 move type in caller when we know the move is a legal promotion */
6130 if(moveType == NormalMove && promoChar)
6131 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6133 /* [HGM] <popupFix> The following if has been moved here from
6134 UserMoveEvent(). Because it seemed to belong here (why not allow
6135 piece drops in training games?), and because it can only be
6136 performed after it is known to what we promote. */
6137 if (gameMode == Training) {
6138 /* compare the move played on the board to the next move in the
6139 * game. If they match, display the move and the opponent's response.
6140 * If they don't match, display an error message.
6144 CopyBoard(testBoard, boards[currentMove]);
6145 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6147 if (CompareBoards(testBoard, boards[currentMove+1])) {
6148 ForwardInner(currentMove+1);
6150 /* Autoplay the opponent's response.
6151 * if appData.animate was TRUE when Training mode was entered,
6152 * the response will be animated.
6154 saveAnimate = appData.animate;
6155 appData.animate = animateTraining;
6156 ForwardInner(currentMove+1);
6157 appData.animate = saveAnimate;
6159 /* check for the end of the game */
6160 if (currentMove >= forwardMostMove) {
6161 gameMode = PlayFromGameFile;
6163 SetTrainingModeOff();
6164 DisplayInformation(_("End of game"));
6167 DisplayError(_("Incorrect move"), 0);
6172 /* Ok, now we know that the move is good, so we can kill
6173 the previous line in Analysis Mode */
6174 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6175 && currentMove < forwardMostMove) {
6176 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6177 else forwardMostMove = currentMove;
6180 /* If we need the chess program but it's dead, restart it */
6181 ResurrectChessProgram();
6183 /* A user move restarts a paused game*/
6187 thinkOutput[0] = NULLCHAR;
6189 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6191 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6193 if (gameMode == BeginningOfGame) {
6194 if (appData.noChessProgram) {
6195 gameMode = EditGame;
6199 gameMode = MachinePlaysBlack;
6202 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6204 if (first.sendName) {
6205 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6206 SendToProgram(buf, &first);
6213 /* Relay move to ICS or chess engine */
6214 if (appData.icsActive) {
6215 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6216 gameMode == IcsExamining) {
6217 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6218 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6220 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6222 // also send plain move, in case ICS does not understand atomic claims
6223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6227 if (first.sendTime && (gameMode == BeginningOfGame ||
6228 gameMode == MachinePlaysWhite ||
6229 gameMode == MachinePlaysBlack)) {
6230 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6232 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6233 // [HGM] book: if program might be playing, let it use book
6234 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6235 first.maybeThinking = TRUE;
6236 } else SendMoveToProgram(forwardMostMove-1, &first);
6237 if (currentMove == cmailOldMove + 1) {
6238 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6242 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6246 if(appData.testLegality)
6247 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6253 if (WhiteOnMove(currentMove)) {
6254 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6256 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6260 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6265 case MachinePlaysBlack:
6266 case MachinePlaysWhite:
6267 /* disable certain menu options while machine is thinking */
6268 SetMachineThinkingEnables();
6275 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6277 if(bookHit) { // [HGM] book: simulate book reply
6278 static char bookMove[MSG_SIZ]; // a bit generous?
6280 programStats.nodes = programStats.depth = programStats.time =
6281 programStats.score = programStats.got_only_move = 0;
6282 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6284 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6285 strcat(bookMove, bookHit);
6286 HandleMachineMove(bookMove, &first);
6292 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6299 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6300 Markers *m = (Markers *) closure;
6301 if(rf == fromY && ff == fromX)
6302 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6303 || kind == WhiteCapturesEnPassant
6304 || kind == BlackCapturesEnPassant);
6305 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6309 MarkTargetSquares(int clear)
6312 if(!appData.markers || !appData.highlightDragging ||
6313 !appData.testLegality || gameMode == EditPosition) return;
6315 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6318 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6319 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6320 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6322 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6325 DrawPosition(TRUE, NULL);
6329 Explode(Board board, int fromX, int fromY, int toX, int toY)
6331 if(gameInfo.variant == VariantAtomic &&
6332 (board[toY][toX] != EmptySquare || // capture?
6333 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6334 board[fromY][fromX] == BlackPawn )
6336 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6342 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6344 void LeftClick(ClickType clickType, int xPix, int yPix)
6347 Boolean saveAnimate;
6348 static int second = 0, promotionChoice = 0, dragging = 0;
6349 char promoChoice = NULLCHAR;
6351 if(appData.seekGraph && appData.icsActive && loggedOn &&
6352 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6353 SeekGraphClick(clickType, xPix, yPix, 0);
6357 if (clickType == Press) ErrorPopDown();
6358 MarkTargetSquares(1);
6360 x = EventToSquare(xPix, BOARD_WIDTH);
6361 y = EventToSquare(yPix, BOARD_HEIGHT);
6362 if (!flipView && y >= 0) {
6363 y = BOARD_HEIGHT - 1 - y;
6365 if (flipView && x >= 0) {
6366 x = BOARD_WIDTH - 1 - x;
6369 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6370 if(clickType == Release) return; // ignore upclick of click-click destination
6371 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6372 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6373 if(gameInfo.holdingsWidth &&
6374 (WhiteOnMove(currentMove)
6375 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6376 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6377 // click in right holdings, for determining promotion piece
6378 ChessSquare p = boards[currentMove][y][x];
6379 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6380 if(p != EmptySquare) {
6381 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6386 DrawPosition(FALSE, boards[currentMove]);
6390 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6391 if(clickType == Press
6392 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6393 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6394 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6397 autoQueen = appData.alwaysPromoteToQueen;
6400 gatingPiece = EmptySquare;
6401 if (clickType != Press) {
6402 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6403 DragPieceEnd(xPix, yPix); dragging = 0;
6404 DrawPosition(FALSE, NULL);
6408 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6410 if (OKToStartUserMove(x, y)) {
6414 MarkTargetSquares(0);
6415 DragPieceBegin(xPix, yPix); dragging = 1;
6416 if (appData.highlightDragging) {
6417 SetHighlights(x, y, -1, -1);
6425 if (clickType == Press && gameMode != EditPosition) {
6430 // ignore off-board to clicks
6431 if(y < 0 || x < 0) return;
6433 /* Check if clicking again on the same color piece */
6434 fromP = boards[currentMove][fromY][fromX];
6435 toP = boards[currentMove][y][x];
6436 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6437 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6438 WhitePawn <= toP && toP <= WhiteKing &&
6439 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6440 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6441 (BlackPawn <= fromP && fromP <= BlackKing &&
6442 BlackPawn <= toP && toP <= BlackKing &&
6443 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6444 !(fromP == BlackKing && toP == BlackRook && frc))) {
6445 /* Clicked again on same color piece -- changed his mind */
6446 second = (x == fromX && y == fromY);
6447 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6448 if (appData.highlightDragging) {
6449 SetHighlights(x, y, -1, -1);
6453 if (OKToStartUserMove(x, y)) {
6454 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6455 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6456 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6457 gatingPiece = boards[currentMove][fromY][fromX];
6458 else gatingPiece = EmptySquare;
6460 fromY = y; dragging = 1;
6461 MarkTargetSquares(0);
6462 DragPieceBegin(xPix, yPix);
6465 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6468 // ignore clicks on holdings
6469 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6472 if (clickType == Release && x == fromX && y == fromY) {
6473 DragPieceEnd(xPix, yPix); dragging = 0;
6474 if (appData.animateDragging) {
6475 /* Undo animation damage if any */
6476 DrawPosition(FALSE, NULL);
6479 /* Second up/down in same square; just abort move */
6482 gatingPiece = EmptySquare;
6485 ClearPremoveHighlights();
6487 /* First upclick in same square; start click-click mode */
6488 SetHighlights(x, y, -1, -1);
6493 /* we now have a different from- and (possibly off-board) to-square */
6494 /* Completed move */
6497 saveAnimate = appData.animate;
6498 if (clickType == Press) {
6499 /* Finish clickclick move */
6500 if (appData.animate || appData.highlightLastMove) {
6501 SetHighlights(fromX, fromY, toX, toY);
6506 /* Finish drag move */
6507 if (appData.highlightLastMove) {
6508 SetHighlights(fromX, fromY, toX, toY);
6512 DragPieceEnd(xPix, yPix); dragging = 0;
6513 /* Don't animate move and drag both */
6514 appData.animate = FALSE;
6517 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6518 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6519 ChessSquare piece = boards[currentMove][fromY][fromX];
6520 if(gameMode == EditPosition && piece != EmptySquare &&
6521 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6524 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6525 n = PieceToNumber(piece - (int)BlackPawn);
6526 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6527 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6528 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6530 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6531 n = PieceToNumber(piece);
6532 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6533 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6534 boards[currentMove][n][BOARD_WIDTH-2]++;
6536 boards[currentMove][fromY][fromX] = EmptySquare;
6540 DrawPosition(TRUE, boards[currentMove]);
6544 // off-board moves should not be highlighted
6545 if(x < 0 || y < 0) ClearHighlights();
6547 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6549 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6550 SetHighlights(fromX, fromY, toX, toY);
6551 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6552 // [HGM] super: promotion to captured piece selected from holdings
6553 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6554 promotionChoice = TRUE;
6555 // kludge follows to temporarily execute move on display, without promoting yet
6556 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6557 boards[currentMove][toY][toX] = p;
6558 DrawPosition(FALSE, boards[currentMove]);
6559 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6560 boards[currentMove][toY][toX] = q;
6561 DisplayMessage("Click in holdings to choose piece", "");
6566 int oldMove = currentMove;
6567 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6568 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6569 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6570 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6571 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6572 DrawPosition(TRUE, boards[currentMove]);
6575 appData.animate = saveAnimate;
6576 if (appData.animate || appData.animateDragging) {
6577 /* Undo animation damage if needed */
6578 DrawPosition(FALSE, NULL);
6582 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6583 { // front-end-free part taken out of PieceMenuPopup
6584 int whichMenu; int xSqr, ySqr;
6586 if(seekGraphUp) { // [HGM] seekgraph
6587 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6588 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6592 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6593 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6594 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6595 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6596 if(action == Press) {
6597 originalFlip = flipView;
6598 flipView = !flipView; // temporarily flip board to see game from partners perspective
6599 DrawPosition(TRUE, partnerBoard);
6600 DisplayMessage(partnerStatus, "");
6602 } else if(action == Release) {
6603 flipView = originalFlip;
6604 DrawPosition(TRUE, boards[currentMove]);
6610 xSqr = EventToSquare(x, BOARD_WIDTH);
6611 ySqr = EventToSquare(y, BOARD_HEIGHT);
6612 if (action == Release) UnLoadPV(); // [HGM] pv
6613 if (action != Press) return -2; // return code to be ignored
6616 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6618 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6619 if (xSqr < 0 || ySqr < 0) return -1;
\r
6620 whichMenu = 0; // edit-position menu
6623 if(!appData.icsEngineAnalyze) return -1;
6624 case IcsPlayingWhite:
6625 case IcsPlayingBlack:
6626 if(!appData.zippyPlay) goto noZip;
6629 case MachinePlaysWhite:
6630 case MachinePlaysBlack:
6631 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6632 if (!appData.dropMenu) {
6634 return 2; // flag front-end to grab mouse events
6636 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6637 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6640 if (xSqr < 0 || ySqr < 0) return -1;
6641 if (!appData.dropMenu || appData.testLegality &&
6642 gameInfo.variant != VariantBughouse &&
6643 gameInfo.variant != VariantCrazyhouse) return -1;
6644 whichMenu = 1; // drop menu
6650 if (((*fromX = xSqr) < 0) ||
6651 ((*fromY = ySqr) < 0)) {
6652 *fromX = *fromY = -1;
6656 *fromX = BOARD_WIDTH - 1 - *fromX;
6658 *fromY = BOARD_HEIGHT - 1 - *fromY;
6663 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6665 // char * hint = lastHint;
6666 FrontEndProgramStats stats;
6668 stats.which = cps == &first ? 0 : 1;
6669 stats.depth = cpstats->depth;
6670 stats.nodes = cpstats->nodes;
6671 stats.score = cpstats->score;
6672 stats.time = cpstats->time;
6673 stats.pv = cpstats->movelist;
6674 stats.hint = lastHint;
6675 stats.an_move_index = 0;
6676 stats.an_move_count = 0;
6678 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6679 stats.hint = cpstats->move_name;
6680 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6681 stats.an_move_count = cpstats->nr_moves;
6684 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
6686 SetProgramStats( &stats );
6690 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6691 { // count all piece types
6693 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6694 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6698 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6699 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6700 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6701 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6702 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6703 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6708 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6710 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6711 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6713 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6714 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6715 if(myPawns == 2 && nMine == 3) // KPP
6716 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6717 if(myPawns == 1 && nMine == 2) // KP
6718 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6719 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6720 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6721 if(myPawns) return FALSE;
6722 if(pCnt[WhiteRook+side])
6723 return pCnt[BlackRook-side] ||
6724 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6725 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6726 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6727 if(pCnt[WhiteCannon+side]) {
6728 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6729 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6731 if(pCnt[WhiteKnight+side])
6732 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6737 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6739 VariantClass v = gameInfo.variant;
6741 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6742 if(v == VariantShatranj) return TRUE; // always winnable through baring
6743 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6744 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6746 if(v == VariantXiangqi) {
6747 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6749 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6750 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6751 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6752 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6753 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6754 if(stale) // we have at least one last-rank P plus perhaps C
6755 return majors // KPKX
6756 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6758 return pCnt[WhiteFerz+side] // KCAK
6759 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6760 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6761 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6763 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6764 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6766 if(nMine == 1) return FALSE; // bare King
6767 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
6768 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6769 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6770 // by now we have King + 1 piece (or multiple Bishops on the same color)
6771 if(pCnt[WhiteKnight+side])
6772 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6773 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6774 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6776 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6777 if(pCnt[WhiteAlfil+side])
6778 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6779 if(pCnt[WhiteWazir+side])
6780 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6787 Adjudicate(ChessProgramState *cps)
6788 { // [HGM] some adjudications useful with buggy engines
6789 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6790 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6791 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6792 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6793 int k, count = 0; static int bare = 1;
6794 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6795 Boolean canAdjudicate = !appData.icsActive;
6797 // most tests only when we understand the game, i.e. legality-checking on
6798 if( appData.testLegality )
6799 { /* [HGM] Some more adjudications for obstinate engines */
6800 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6801 static int moveCount = 6;
6803 char *reason = NULL;
6805 /* Count what is on board. */
6806 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6808 /* Some material-based adjudications that have to be made before stalemate test */
6809 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6810 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6811 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6812 if(canAdjudicate && appData.checkMates) {
6814 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6815 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6816 "Xboard adjudication: King destroyed", GE_XBOARD );
6821 /* Bare King in Shatranj (loses) or Losers (wins) */
6822 if( nrW == 1 || nrB == 1) {
6823 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6824 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6825 if(canAdjudicate && appData.checkMates) {
6827 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6828 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
6829 "Xboard adjudication: Bare king", GE_XBOARD );
6833 if( gameInfo.variant == VariantShatranj && --bare < 0)
6835 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
6836 if(canAdjudicate && appData.checkMates) {
6837 /* but only adjudicate if adjudication enabled */
6839 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6840 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6841 "Xboard adjudication: Bare king", GE_XBOARD );
6848 // don't wait for engine to announce game end if we can judge ourselves
6849 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6851 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6852 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6853 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6854 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6857 reason = "Xboard adjudication: 3rd check";
6858 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6868 reason = "Xboard adjudication: Stalemate";
6869 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6870 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6871 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6872 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6873 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6874 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6875 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6876 EP_CHECKMATE : EP_WINS);
6877 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6878 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6882 reason = "Xboard adjudication: Checkmate";
6883 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6887 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6889 result = GameIsDrawn; break;
6891 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6893 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6897 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6899 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6900 GameEnds( result, reason, GE_XBOARD );
6904 /* Next absolutely insufficient mating material. */
6905 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6906 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6907 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6909 /* always flag draws, for judging claims */
6910 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6912 if(canAdjudicate && appData.materialDraws) {
6913 /* but only adjudicate them if adjudication enabled */
6914 if(engineOpponent) {
6915 SendToProgram("force\n", engineOpponent); // suppress reply
6916 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6918 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6923 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6924 if(gameInfo.variant == VariantXiangqi ?
6925 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6927 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6928 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6929 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6930 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6932 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6933 { /* if the first 3 moves do not show a tactical win, declare draw */
6934 if(engineOpponent) {
6935 SendToProgram("force\n", engineOpponent); // suppress reply
6936 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6938 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6941 } else moveCount = 6;
6943 if (appData.debugMode) { int i;
6944 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6945 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6946 appData.drawRepeats);
6947 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6948 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6952 // Repetition draws and 50-move rule can be applied independently of legality testing
6954 /* Check for rep-draws */
6956 for(k = forwardMostMove-2;
6957 k>=backwardMostMove && k>=forwardMostMove-100 &&
6958 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6959 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6962 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6963 /* compare castling rights */
6964 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6965 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6966 rights++; /* King lost rights, while rook still had them */
6967 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6968 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6969 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6970 rights++; /* but at least one rook lost them */
6972 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6973 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6975 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6976 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6977 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6980 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6981 && appData.drawRepeats > 1) {
6982 /* adjudicate after user-specified nr of repeats */
6983 int result = GameIsDrawn;
6984 char *details = "XBoard adjudication: repetition draw";
6985 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6986 // [HGM] xiangqi: check for forbidden perpetuals
6987 int m, ourPerpetual = 1, hisPerpetual = 1;
6988 for(m=forwardMostMove; m>k; m-=2) {
6989 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6990 ourPerpetual = 0; // the current mover did not always check
6991 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6992 hisPerpetual = 0; // the opponent did not always check
6994 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6995 ourPerpetual, hisPerpetual);
6996 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
6997 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
6998 details = "Xboard adjudication: perpetual checking";
7000 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7001 break; // (or we would have caught him before). Abort repetition-checking loop.
7003 // Now check for perpetual chases
7004 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7005 hisPerpetual = PerpetualChase(k, forwardMostMove);
7006 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7007 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7008 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7009 details = "Xboard adjudication: perpetual chasing";
7011 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7012 break; // Abort repetition-checking loop.
7014 // if neither of us is checking or chasing all the time, or both are, it is draw
7016 if(engineOpponent) {
7017 SendToProgram("force\n", engineOpponent); // suppress reply
7018 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7020 GameEnds( result, details, GE_XBOARD );
7023 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7024 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7028 /* Now we test for 50-move draws. Determine ply count */
7029 count = forwardMostMove;
7030 /* look for last irreversble move */
7031 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7033 /* if we hit starting position, add initial plies */
7034 if( count == backwardMostMove )
7035 count -= initialRulePlies;
7036 count = forwardMostMove - count;
7037 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7038 // adjust reversible move counter for checks in Xiangqi
7039 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7040 if(i < backwardMostMove) i = backwardMostMove;
7041 while(i <= forwardMostMove) {
7042 lastCheck = inCheck; // check evasion does not count
7043 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7044 if(inCheck || lastCheck) count--; // check does not count
7049 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7050 /* this is used to judge if draw claims are legal */
7051 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7052 if(engineOpponent) {
7053 SendToProgram("force\n", engineOpponent); // suppress reply
7054 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7056 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7060 /* if draw offer is pending, treat it as a draw claim
7061 * when draw condition present, to allow engines a way to
7062 * claim draws before making their move to avoid a race
7063 * condition occurring after their move
7065 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7067 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7068 p = "Draw claim: 50-move rule";
7069 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7070 p = "Draw claim: 3-fold repetition";
7071 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7072 p = "Draw claim: insufficient mating material";
7073 if( p != NULL && canAdjudicate) {
7074 if(engineOpponent) {
7075 SendToProgram("force\n", engineOpponent); // suppress reply
7076 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7078 GameEnds( GameIsDrawn, p, GE_XBOARD );
7083 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7084 if(engineOpponent) {
7085 SendToProgram("force\n", engineOpponent); // suppress reply
7086 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7088 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7094 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7095 { // [HGM] book: this routine intercepts moves to simulate book replies
7096 char *bookHit = NULL;
7098 //first determine if the incoming move brings opponent into his book
7099 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7100 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7101 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7102 if(bookHit != NULL && !cps->bookSuspend) {
7103 // make sure opponent is not going to reply after receiving move to book position
7104 SendToProgram("force\n", cps);
7105 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7107 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7108 // now arrange restart after book miss
7110 // after a book hit we never send 'go', and the code after the call to this routine
7111 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7113 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7114 SendToProgram(buf, cps);
7115 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7116 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7117 SendToProgram("go\n", cps);
7118 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7119 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7120 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7121 SendToProgram("go\n", cps);
7122 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7124 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7128 ChessProgramState *savedState;
7129 void DeferredBookMove(void)
7131 if(savedState->lastPing != savedState->lastPong)
7132 ScheduleDelayedEvent(DeferredBookMove, 10);
7134 HandleMachineMove(savedMessage, savedState);
7138 HandleMachineMove(message, cps)
7140 ChessProgramState *cps;
7142 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7143 char realname[MSG_SIZ];
7144 int fromX, fromY, toX, toY;
7153 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7155 * Kludge to ignore BEL characters
7157 while (*message == '\007') message++;
7160 * [HGM] engine debug message: ignore lines starting with '#' character
7162 if(cps->debug && *message == '#') return;
7165 * Look for book output
7167 if (cps == &first && bookRequested) {
7168 if (message[0] == '\t' || message[0] == ' ') {
7169 /* Part of the book output is here; append it */
7170 strcat(bookOutput, message);
7171 strcat(bookOutput, " \n");
7173 } else if (bookOutput[0] != NULLCHAR) {
7174 /* All of book output has arrived; display it */
7175 char *p = bookOutput;
7176 while (*p != NULLCHAR) {
7177 if (*p == '\t') *p = ' ';
7180 DisplayInformation(bookOutput);
7181 bookRequested = FALSE;
7182 /* Fall through to parse the current output */
7187 * Look for machine move.
7189 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7190 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7192 /* This method is only useful on engines that support ping */
7193 if (cps->lastPing != cps->lastPong) {
7194 if (gameMode == BeginningOfGame) {
7195 /* Extra move from before last new; ignore */
7196 if (appData.debugMode) {
7197 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7200 if (appData.debugMode) {
7201 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7202 cps->which, gameMode);
7205 SendToProgram("undo\n", cps);
7211 case BeginningOfGame:
7212 /* Extra move from before last reset; ignore */
7213 if (appData.debugMode) {
7214 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7221 /* Extra move after we tried to stop. The mode test is
7222 not a reliable way of detecting this problem, but it's
7223 the best we can do on engines that don't support ping.
7225 if (appData.debugMode) {
7226 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7227 cps->which, gameMode);
7229 SendToProgram("undo\n", cps);
7232 case MachinePlaysWhite:
7233 case IcsPlayingWhite:
7234 machineWhite = TRUE;
7237 case MachinePlaysBlack:
7238 case IcsPlayingBlack:
7239 machineWhite = FALSE;
7242 case TwoMachinesPlay:
7243 machineWhite = (cps->twoMachinesColor[0] == 'w');
7246 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7247 if (appData.debugMode) {
7249 "Ignoring move out of turn by %s, gameMode %d"
7250 ", forwardMost %d\n",
7251 cps->which, gameMode, forwardMostMove);
7256 if (appData.debugMode) { int f = forwardMostMove;
7257 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7258 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7259 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7261 if(cps->alphaRank) AlphaRank(machineMove, 4);
7262 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7263 &fromX, &fromY, &toX, &toY, &promoChar)) {
7264 /* Machine move could not be parsed; ignore it. */
7265 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7266 machineMove, cps->which);
7267 DisplayError(buf1, 0);
7268 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7269 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7270 if (gameMode == TwoMachinesPlay) {
7271 GameEnds(machineWhite ? BlackWins : WhiteWins,
7277 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7278 /* So we have to redo legality test with true e.p. status here, */
7279 /* to make sure an illegal e.p. capture does not slip through, */
7280 /* to cause a forfeit on a justified illegal-move complaint */
7281 /* of the opponent. */
7282 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7284 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7285 fromY, fromX, toY, toX, promoChar);
7286 if (appData.debugMode) {
7288 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7289 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7290 fprintf(debugFP, "castling rights\n");
7292 if(moveType == IllegalMove) {
7293 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7294 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7295 GameEnds(machineWhite ? BlackWins : WhiteWins,
7298 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7299 /* [HGM] Kludge to handle engines that send FRC-style castling
7300 when they shouldn't (like TSCP-Gothic) */
7302 case WhiteASideCastleFR:
7303 case BlackASideCastleFR:
7305 currentMoveString[2]++;
7307 case WhiteHSideCastleFR:
7308 case BlackHSideCastleFR:
7310 currentMoveString[2]--;
7312 default: ; // nothing to do, but suppresses warning of pedantic compilers
7315 hintRequested = FALSE;
7316 lastHint[0] = NULLCHAR;
7317 bookRequested = FALSE;
7318 /* Program may be pondering now */
7319 cps->maybeThinking = TRUE;
7320 if (cps->sendTime == 2) cps->sendTime = 1;
7321 if (cps->offeredDraw) cps->offeredDraw--;
7323 /* [AS] Save move info*/
7324 pvInfoList[ forwardMostMove ].score = programStats.score;
7325 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7326 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7328 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7330 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7331 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7334 while( count < adjudicateLossPlies ) {
7335 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7338 score = -score; /* Flip score for winning side */
7341 if( score > adjudicateLossThreshold ) {
7348 if( count >= adjudicateLossPlies ) {
7349 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7351 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7352 "Xboard adjudication",
7359 if(Adjudicate(cps)) {
7360 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7361 return; // [HGM] adjudicate: for all automatic game ends
7365 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7367 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7368 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7370 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7372 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7374 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7375 char buf[3*MSG_SIZ];
7377 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7378 programStats.score / 100.,
7380 programStats.time / 100.,
7381 (unsigned int)programStats.nodes,
7382 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7383 programStats.movelist);
7385 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7390 /* [AS] Clear stats for next move */
7391 ClearProgramStats();
7392 thinkOutput[0] = NULLCHAR;
7393 hiddenThinkOutputState = 0;
7396 if (gameMode == TwoMachinesPlay) {
7397 /* [HGM] relaying draw offers moved to after reception of move */
7398 /* and interpreting offer as claim if it brings draw condition */
7399 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7400 SendToProgram("draw\n", cps->other);
7402 if (cps->other->sendTime) {
7403 SendTimeRemaining(cps->other,
7404 cps->other->twoMachinesColor[0] == 'w');
7406 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7407 if (firstMove && !bookHit) {
7409 if (cps->other->useColors) {
7410 SendToProgram(cps->other->twoMachinesColor, cps->other);
7412 SendToProgram("go\n", cps->other);
7414 cps->other->maybeThinking = TRUE;
7417 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7419 if (!pausing && appData.ringBellAfterMoves) {
7424 * Reenable menu items that were disabled while
7425 * machine was thinking
7427 if (gameMode != TwoMachinesPlay)
7428 SetUserThinkingEnables();
7430 // [HGM] book: after book hit opponent has received move and is now in force mode
7431 // force the book reply into it, and then fake that it outputted this move by jumping
7432 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7434 static char bookMove[MSG_SIZ]; // a bit generous?
7436 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7437 strcat(bookMove, bookHit);
7440 programStats.nodes = programStats.depth = programStats.time =
7441 programStats.score = programStats.got_only_move = 0;
7442 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7444 if(cps->lastPing != cps->lastPong) {
7445 savedMessage = message; // args for deferred call
7447 ScheduleDelayedEvent(DeferredBookMove, 10);
7456 /* Set special modes for chess engines. Later something general
7457 * could be added here; for now there is just one kludge feature,
7458 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7459 * when "xboard" is given as an interactive command.
7461 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7462 cps->useSigint = FALSE;
7463 cps->useSigterm = FALSE;
7465 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7466 ParseFeatures(message+8, cps);
7467 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7470 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7471 int dummy, s=6; char buf[MSG_SIZ];
7472 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7473 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7474 ParseFEN(boards[0], &dummy, message+s);
7475 DrawPosition(TRUE, boards[0]);
7476 startedFromSetupPosition = TRUE;
7479 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7480 * want this, I was asked to put it in, and obliged.
7482 if (!strncmp(message, "setboard ", 9)) {
7483 Board initial_position;
7485 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7487 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7488 DisplayError(_("Bad FEN received from engine"), 0);
7492 CopyBoard(boards[0], initial_position);
7493 initialRulePlies = FENrulePlies;
7494 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7495 else gameMode = MachinePlaysBlack;
7496 DrawPosition(FALSE, boards[currentMove]);
7502 * Look for communication commands
7504 if (!strncmp(message, "telluser ", 9)) {
7505 if(message[9] == '\\' && message[10] == '\\')
7506 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7507 DisplayNote(message + 9);
7510 if (!strncmp(message, "tellusererror ", 14)) {
7512 if(message[14] == '\\' && message[15] == '\\')
7513 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7514 DisplayError(message + 14, 0);
7517 if (!strncmp(message, "tellopponent ", 13)) {
7518 if (appData.icsActive) {
7520 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7524 DisplayNote(message + 13);
7528 if (!strncmp(message, "tellothers ", 11)) {
7529 if (appData.icsActive) {
7531 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7537 if (!strncmp(message, "tellall ", 8)) {
7538 if (appData.icsActive) {
7540 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7544 DisplayNote(message + 8);
7548 if (strncmp(message, "warning", 7) == 0) {
7549 /* Undocumented feature, use tellusererror in new code */
7550 DisplayError(message, 0);
7553 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7554 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7555 strcat(realname, " query");
7556 AskQuestion(realname, buf2, buf1, cps->pr);
7559 /* Commands from the engine directly to ICS. We don't allow these to be
7560 * sent until we are logged on. Crafty kibitzes have been known to
7561 * interfere with the login process.
7564 if (!strncmp(message, "tellics ", 8)) {
7565 SendToICS(message + 8);
7569 if (!strncmp(message, "tellicsnoalias ", 15)) {
7570 SendToICS(ics_prefix);
7571 SendToICS(message + 15);
7575 /* The following are for backward compatibility only */
7576 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7577 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7578 SendToICS(ics_prefix);
7584 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7588 * If the move is illegal, cancel it and redraw the board.
7589 * Also deal with other error cases. Matching is rather loose
7590 * here to accommodate engines written before the spec.
7592 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7593 strncmp(message, "Error", 5) == 0) {
7594 if (StrStr(message, "name") ||
7595 StrStr(message, "rating") || StrStr(message, "?") ||
7596 StrStr(message, "result") || StrStr(message, "board") ||
7597 StrStr(message, "bk") || StrStr(message, "computer") ||
7598 StrStr(message, "variant") || StrStr(message, "hint") ||
7599 StrStr(message, "random") || StrStr(message, "depth") ||
7600 StrStr(message, "accepted")) {
7603 if (StrStr(message, "protover")) {
7604 /* Program is responding to input, so it's apparently done
7605 initializing, and this error message indicates it is
7606 protocol version 1. So we don't need to wait any longer
7607 for it to initialize and send feature commands. */
7608 FeatureDone(cps, 1);
7609 cps->protocolVersion = 1;
7612 cps->maybeThinking = FALSE;
7614 if (StrStr(message, "draw")) {
7615 /* Program doesn't have "draw" command */
7616 cps->sendDrawOffers = 0;
7619 if (cps->sendTime != 1 &&
7620 (StrStr(message, "time") || StrStr(message, "otim"))) {
7621 /* Program apparently doesn't have "time" or "otim" command */
7625 if (StrStr(message, "analyze")) {
7626 cps->analysisSupport = FALSE;
7627 cps->analyzing = FALSE;
7629 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7630 DisplayError(buf2, 0);
7633 if (StrStr(message, "(no matching move)st")) {
7634 /* Special kludge for GNU Chess 4 only */
7635 cps->stKludge = TRUE;
7636 SendTimeControl(cps, movesPerSession, timeControl,
7637 timeIncrement, appData.searchDepth,
7641 if (StrStr(message, "(no matching move)sd")) {
7642 /* Special kludge for GNU Chess 4 only */
7643 cps->sdKludge = TRUE;
7644 SendTimeControl(cps, movesPerSession, timeControl,
7645 timeIncrement, appData.searchDepth,
7649 if (!StrStr(message, "llegal")) {
7652 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7653 gameMode == IcsIdle) return;
7654 if (forwardMostMove <= backwardMostMove) return;
7655 if (pausing) PauseEvent();
7656 if(appData.forceIllegal) {
7657 // [HGM] illegal: machine refused move; force position after move into it
7658 SendToProgram("force\n", cps);
7659 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7660 // we have a real problem now, as SendBoard will use the a2a3 kludge
7661 // when black is to move, while there might be nothing on a2 or black
7662 // might already have the move. So send the board as if white has the move.
7663 // But first we must change the stm of the engine, as it refused the last move
7664 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7665 if(WhiteOnMove(forwardMostMove)) {
7666 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7667 SendBoard(cps, forwardMostMove); // kludgeless board
7669 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7670 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7671 SendBoard(cps, forwardMostMove+1); // kludgeless board
7673 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7674 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7675 gameMode == TwoMachinesPlay)
7676 SendToProgram("go\n", cps);
7679 if (gameMode == PlayFromGameFile) {
7680 /* Stop reading this game file */
7681 gameMode = EditGame;
7684 /* [HGM] illegal-move claim should forfeit game when Xboard */
7685 /* only passes fully legal moves */
7686 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7687 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7688 "False illegal-move claim", GE_XBOARD );
7689 return; // do not take back move we tested as valid
7691 currentMove = forwardMostMove-1;
7692 DisplayMove(currentMove-1); /* before DisplayMoveError */
7693 SwitchClocks(forwardMostMove-1); // [HGM] race
7694 DisplayBothClocks();
7695 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7696 parseList[currentMove], cps->which);
7697 DisplayMoveError(buf1);
7698 DrawPosition(FALSE, boards[currentMove]);
7701 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7702 /* Program has a broken "time" command that
7703 outputs a string not ending in newline.
7709 * If chess program startup fails, exit with an error message.
7710 * Attempts to recover here are futile.
7712 if ((StrStr(message, "unknown host") != NULL)
7713 || (StrStr(message, "No remote directory") != NULL)
7714 || (StrStr(message, "not found") != NULL)
7715 || (StrStr(message, "No such file") != NULL)
7716 || (StrStr(message, "can't alloc") != NULL)
7717 || (StrStr(message, "Permission denied") != NULL)) {
7719 cps->maybeThinking = FALSE;
7720 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7721 cps->which, cps->program, cps->host, message);
7722 RemoveInputSource(cps->isr);
7723 DisplayFatalError(buf1, 0, 1);
7728 * Look for hint output
7730 if (sscanf(message, "Hint: %s", buf1) == 1) {
7731 if (cps == &first && hintRequested) {
7732 hintRequested = FALSE;
7733 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7734 &fromX, &fromY, &toX, &toY, &promoChar)) {
7735 (void) CoordsToAlgebraic(boards[forwardMostMove],
7736 PosFlags(forwardMostMove),
7737 fromY, fromX, toY, toX, promoChar, buf1);
7738 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7739 DisplayInformation(buf2);
7741 /* Hint move could not be parsed!? */
7742 snprintf(buf2, sizeof(buf2),
7743 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7745 DisplayError(buf2, 0);
7748 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7754 * Ignore other messages if game is not in progress
7756 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7757 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7760 * look for win, lose, draw, or draw offer
7762 if (strncmp(message, "1-0", 3) == 0) {
7763 char *p, *q, *r = "";
7764 p = strchr(message, '{');
7772 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7774 } else if (strncmp(message, "0-1", 3) == 0) {
7775 char *p, *q, *r = "";
7776 p = strchr(message, '{');
7784 /* Kludge for Arasan 4.1 bug */
7785 if (strcmp(r, "Black resigns") == 0) {
7786 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7789 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7791 } else if (strncmp(message, "1/2", 3) == 0) {
7792 char *p, *q, *r = "";
7793 p = strchr(message, '{');
7802 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7805 } else if (strncmp(message, "White resign", 12) == 0) {
7806 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7808 } else if (strncmp(message, "Black resign", 12) == 0) {
7809 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7811 } else if (strncmp(message, "White matches", 13) == 0 ||
7812 strncmp(message, "Black matches", 13) == 0 ) {
7813 /* [HGM] ignore GNUShogi noises */
7815 } else if (strncmp(message, "White", 5) == 0 &&
7816 message[5] != '(' &&
7817 StrStr(message, "Black") == NULL) {
7818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7820 } else if (strncmp(message, "Black", 5) == 0 &&
7821 message[5] != '(') {
7822 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7824 } else if (strcmp(message, "resign") == 0 ||
7825 strcmp(message, "computer resigns") == 0) {
7827 case MachinePlaysBlack:
7828 case IcsPlayingBlack:
7829 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7831 case MachinePlaysWhite:
7832 case IcsPlayingWhite:
7833 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7835 case TwoMachinesPlay:
7836 if (cps->twoMachinesColor[0] == 'w')
7837 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7839 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7846 } else if (strncmp(message, "opponent mates", 14) == 0) {
7848 case MachinePlaysBlack:
7849 case IcsPlayingBlack:
7850 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7852 case MachinePlaysWhite:
7853 case IcsPlayingWhite:
7854 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7856 case TwoMachinesPlay:
7857 if (cps->twoMachinesColor[0] == 'w')
7858 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7860 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7867 } else if (strncmp(message, "computer mates", 14) == 0) {
7869 case MachinePlaysBlack:
7870 case IcsPlayingBlack:
7871 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7873 case MachinePlaysWhite:
7874 case IcsPlayingWhite:
7875 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7877 case TwoMachinesPlay:
7878 if (cps->twoMachinesColor[0] == 'w')
7879 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7881 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7888 } else if (strncmp(message, "checkmate", 9) == 0) {
7889 if (WhiteOnMove(forwardMostMove)) {
7890 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7892 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7895 } else if (strstr(message, "Draw") != NULL ||
7896 strstr(message, "game is a draw") != NULL) {
7897 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7899 } else if (strstr(message, "offer") != NULL &&
7900 strstr(message, "draw") != NULL) {
7902 if (appData.zippyPlay && first.initDone) {
7903 /* Relay offer to ICS */
7904 SendToICS(ics_prefix);
7905 SendToICS("draw\n");
7908 cps->offeredDraw = 2; /* valid until this engine moves twice */
7909 if (gameMode == TwoMachinesPlay) {
7910 if (cps->other->offeredDraw) {
7911 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7912 /* [HGM] in two-machine mode we delay relaying draw offer */
7913 /* until after we also have move, to see if it is really claim */
7915 } else if (gameMode == MachinePlaysWhite ||
7916 gameMode == MachinePlaysBlack) {
7917 if (userOfferedDraw) {
7918 DisplayInformation(_("Machine accepts your draw offer"));
7919 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7921 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7928 * Look for thinking output
7930 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7931 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7933 int plylev, mvleft, mvtot, curscore, time;
7934 char mvname[MOVE_LEN];
7938 int prefixHint = FALSE;
7939 mvname[0] = NULLCHAR;
7942 case MachinePlaysBlack:
7943 case IcsPlayingBlack:
7944 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7946 case MachinePlaysWhite:
7947 case IcsPlayingWhite:
7948 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7953 case IcsObserving: /* [DM] icsEngineAnalyze */
7954 if (!appData.icsEngineAnalyze) ignore = TRUE;
7956 case TwoMachinesPlay:
7957 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7967 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7969 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7970 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7972 if (plyext != ' ' && plyext != '\t') {
7976 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7977 if( cps->scoreIsAbsolute &&
7978 ( gameMode == MachinePlaysBlack ||
7979 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7980 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7981 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7982 !WhiteOnMove(currentMove)
7985 curscore = -curscore;
7989 tempStats.depth = plylev;
7990 tempStats.nodes = nodes;
7991 tempStats.time = time;
7992 tempStats.score = curscore;
7993 tempStats.got_only_move = 0;
7995 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
7998 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
7999 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8000 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8001 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8002 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8003 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8004 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8005 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8008 /* Buffer overflow protection */
8009 if (buf1[0] != NULLCHAR) {
8010 if (strlen(buf1) >= sizeof(tempStats.movelist)
8011 && appData.debugMode) {
8013 "PV is too long; using the first %u bytes.\n",
8014 (unsigned) sizeof(tempStats.movelist) - 1);
8017 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8019 sprintf(tempStats.movelist, " no PV\n");
8022 if (tempStats.seen_stat) {
8023 tempStats.ok_to_send = 1;
8026 if (strchr(tempStats.movelist, '(') != NULL) {
8027 tempStats.line_is_book = 1;
8028 tempStats.nr_moves = 0;
8029 tempStats.moves_left = 0;
8031 tempStats.line_is_book = 0;
8034 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8035 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8037 SendProgramStatsToFrontend( cps, &tempStats );
8040 [AS] Protect the thinkOutput buffer from overflow... this
8041 is only useful if buf1 hasn't overflowed first!
8043 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8045 (gameMode == TwoMachinesPlay ?
8046 ToUpper(cps->twoMachinesColor[0]) : ' '),
8047 ((double) curscore) / 100.0,
8048 prefixHint ? lastHint : "",
8049 prefixHint ? " " : "" );
8051 if( buf1[0] != NULLCHAR ) {
8052 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8054 if( strlen(buf1) > max_len ) {
8055 if( appData.debugMode) {
8056 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8058 buf1[max_len+1] = '\0';
8061 strcat( thinkOutput, buf1 );
8064 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8065 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8066 DisplayMove(currentMove - 1);
8070 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8071 /* crafty (9.25+) says "(only move) <move>"
8072 * if there is only 1 legal move
8074 sscanf(p, "(only move) %s", buf1);
8075 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8076 sprintf(programStats.movelist, "%s (only move)", buf1);
8077 programStats.depth = 1;
8078 programStats.nr_moves = 1;
8079 programStats.moves_left = 1;
8080 programStats.nodes = 1;
8081 programStats.time = 1;
8082 programStats.got_only_move = 1;
8084 /* Not really, but we also use this member to
8085 mean "line isn't going to change" (Crafty
8086 isn't searching, so stats won't change) */
8087 programStats.line_is_book = 1;
8089 SendProgramStatsToFrontend( cps, &programStats );
8091 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8092 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8093 DisplayMove(currentMove - 1);
8096 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8097 &time, &nodes, &plylev, &mvleft,
8098 &mvtot, mvname) >= 5) {
8099 /* The stat01: line is from Crafty (9.29+) in response
8100 to the "." command */
8101 programStats.seen_stat = 1;
8102 cps->maybeThinking = TRUE;
8104 if (programStats.got_only_move || !appData.periodicUpdates)
8107 programStats.depth = plylev;
8108 programStats.time = time;
8109 programStats.nodes = nodes;
8110 programStats.moves_left = mvleft;
8111 programStats.nr_moves = mvtot;
8112 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8113 programStats.ok_to_send = 1;
8114 programStats.movelist[0] = '\0';
8116 SendProgramStatsToFrontend( cps, &programStats );
8120 } else if (strncmp(message,"++",2) == 0) {
8121 /* Crafty 9.29+ outputs this */
8122 programStats.got_fail = 2;
8125 } else if (strncmp(message,"--",2) == 0) {
8126 /* Crafty 9.29+ outputs this */
8127 programStats.got_fail = 1;
8130 } else if (thinkOutput[0] != NULLCHAR &&
8131 strncmp(message, " ", 4) == 0) {
8132 unsigned message_len;
8135 while (*p && *p == ' ') p++;
8137 message_len = strlen( p );
8139 /* [AS] Avoid buffer overflow */
8140 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8141 strcat(thinkOutput, " ");
8142 strcat(thinkOutput, p);
8145 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8146 strcat(programStats.movelist, " ");
8147 strcat(programStats.movelist, p);
8150 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8151 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8152 DisplayMove(currentMove - 1);
8160 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8161 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8163 ChessProgramStats cpstats;
8165 if (plyext != ' ' && plyext != '\t') {
8169 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8170 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8171 curscore = -curscore;
8174 cpstats.depth = plylev;
8175 cpstats.nodes = nodes;
8176 cpstats.time = time;
8177 cpstats.score = curscore;
8178 cpstats.got_only_move = 0;
8179 cpstats.movelist[0] = '\0';
8181 if (buf1[0] != NULLCHAR) {
8182 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8185 cpstats.ok_to_send = 0;
8186 cpstats.line_is_book = 0;
8187 cpstats.nr_moves = 0;
8188 cpstats.moves_left = 0;
8190 SendProgramStatsToFrontend( cps, &cpstats );
8197 /* Parse a game score from the character string "game", and
8198 record it as the history of the current game. The game
8199 score is NOT assumed to start from the standard position.
8200 The display is not updated in any way.
8203 ParseGameHistory(game)
8207 int fromX, fromY, toX, toY, boardIndex;
8212 if (appData.debugMode)
8213 fprintf(debugFP, "Parsing game history: %s\n", game);
8215 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8216 gameInfo.site = StrSave(appData.icsHost);
8217 gameInfo.date = PGNDate();
8218 gameInfo.round = StrSave("-");
8220 /* Parse out names of players */
8221 while (*game == ' ') game++;
8223 while (*game != ' ') *p++ = *game++;
8225 gameInfo.white = StrSave(buf);
8226 while (*game == ' ') game++;
8228 while (*game != ' ' && *game != '\n') *p++ = *game++;
8230 gameInfo.black = StrSave(buf);
8233 boardIndex = blackPlaysFirst ? 1 : 0;
8236 yyboardindex = boardIndex;
8237 moveType = (ChessMove) Myylex();
8239 case IllegalMove: /* maybe suicide chess, etc. */
8240 if (appData.debugMode) {
8241 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8242 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8243 setbuf(debugFP, NULL);
8245 case WhitePromotion:
8246 case BlackPromotion:
8247 case WhiteNonPromotion:
8248 case BlackNonPromotion:
8250 case WhiteCapturesEnPassant:
8251 case BlackCapturesEnPassant:
8252 case WhiteKingSideCastle:
8253 case WhiteQueenSideCastle:
8254 case BlackKingSideCastle:
8255 case BlackQueenSideCastle:
8256 case WhiteKingSideCastleWild:
8257 case WhiteQueenSideCastleWild:
8258 case BlackKingSideCastleWild:
8259 case BlackQueenSideCastleWild:
8261 case WhiteHSideCastleFR:
8262 case WhiteASideCastleFR:
8263 case BlackHSideCastleFR:
8264 case BlackASideCastleFR:
8266 fromX = currentMoveString[0] - AAA;
8267 fromY = currentMoveString[1] - ONE;
8268 toX = currentMoveString[2] - AAA;
8269 toY = currentMoveString[3] - ONE;
8270 promoChar = currentMoveString[4];
8274 fromX = moveType == WhiteDrop ?
8275 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8276 (int) CharToPiece(ToLower(currentMoveString[0]));
8278 toX = currentMoveString[2] - AAA;
8279 toY = currentMoveString[3] - ONE;
8280 promoChar = NULLCHAR;
8284 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8285 if (appData.debugMode) {
8286 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8287 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8288 setbuf(debugFP, NULL);
8290 DisplayError(buf, 0);
8292 case ImpossibleMove:
8294 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8295 if (appData.debugMode) {
8296 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8297 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8298 setbuf(debugFP, NULL);
8300 DisplayError(buf, 0);
8303 if (boardIndex < backwardMostMove) {
8304 /* Oops, gap. How did that happen? */
8305 DisplayError(_("Gap in move list"), 0);
8308 backwardMostMove = blackPlaysFirst ? 1 : 0;
8309 if (boardIndex > forwardMostMove) {
8310 forwardMostMove = boardIndex;
8314 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8315 strcat(parseList[boardIndex-1], " ");
8316 strcat(parseList[boardIndex-1], yy_text);
8328 case GameUnfinished:
8329 if (gameMode == IcsExamining) {
8330 if (boardIndex < backwardMostMove) {
8331 /* Oops, gap. How did that happen? */
8334 backwardMostMove = blackPlaysFirst ? 1 : 0;
8337 gameInfo.result = moveType;
8338 p = strchr(yy_text, '{');
8339 if (p == NULL) p = strchr(yy_text, '(');
8342 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8344 q = strchr(p, *p == '{' ? '}' : ')');
8345 if (q != NULL) *q = NULLCHAR;
8348 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8349 gameInfo.resultDetails = StrSave(p);
8352 if (boardIndex >= forwardMostMove &&
8353 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8354 backwardMostMove = blackPlaysFirst ? 1 : 0;
8357 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8358 fromY, fromX, toY, toX, promoChar,
8359 parseList[boardIndex]);
8360 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8361 /* currentMoveString is set as a side-effect of yylex */
8362 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8363 strcat(moveList[boardIndex], "\n");
8365 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8366 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8372 if(gameInfo.variant != VariantShogi)
8373 strcat(parseList[boardIndex - 1], "+");
8377 strcat(parseList[boardIndex - 1], "#");
8384 /* Apply a move to the given board */
8386 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8387 int fromX, fromY, toX, toY;
8391 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8392 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8394 /* [HGM] compute & store e.p. status and castling rights for new position */
8395 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8397 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8398 oldEP = (signed char)board[EP_STATUS];
8399 board[EP_STATUS] = EP_NONE;
8401 if( board[toY][toX] != EmptySquare )
8402 board[EP_STATUS] = EP_CAPTURE;
8404 if (fromY == DROP_RANK) {
8406 piece = board[toY][toX] = (ChessSquare) fromX;
8410 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8411 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8412 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8414 if( board[fromY][fromX] == WhitePawn ) {
8415 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8416 board[EP_STATUS] = EP_PAWN_MOVE;
8418 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8419 gameInfo.variant != VariantBerolina || toX < fromX)
8420 board[EP_STATUS] = toX | berolina;
8421 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8422 gameInfo.variant != VariantBerolina || toX > fromX)
8423 board[EP_STATUS] = toX;
8426 if( board[fromY][fromX] == BlackPawn ) {
8427 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8428 board[EP_STATUS] = EP_PAWN_MOVE;
8429 if( toY-fromY== -2) {
8430 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8431 gameInfo.variant != VariantBerolina || toX < fromX)
8432 board[EP_STATUS] = toX | berolina;
8433 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8434 gameInfo.variant != VariantBerolina || toX > fromX)
8435 board[EP_STATUS] = toX;
8439 for(i=0; i<nrCastlingRights; i++) {
8440 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8441 board[CASTLING][i] == toX && castlingRank[i] == toY
8442 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8445 if (fromX == toX && fromY == toY) return;
8447 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8448 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8449 if(gameInfo.variant == VariantKnightmate)
8450 king += (int) WhiteUnicorn - (int) WhiteKing;
8452 /* Code added by Tord: */
8453 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8454 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8455 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8456 board[fromY][fromX] = EmptySquare;
8457 board[toY][toX] = EmptySquare;
8458 if((toX > fromX) != (piece == WhiteRook)) {
8459 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8461 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8463 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8464 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8465 board[fromY][fromX] = EmptySquare;
8466 board[toY][toX] = EmptySquare;
8467 if((toX > fromX) != (piece == BlackRook)) {
8468 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8470 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8472 /* End of code added by Tord */
8474 } else if (board[fromY][fromX] == king
8475 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8476 && toY == fromY && toX > fromX+1) {
8477 board[fromY][fromX] = EmptySquare;
8478 board[toY][toX] = king;
8479 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8480 board[fromY][BOARD_RGHT-1] = EmptySquare;
8481 } else if (board[fromY][fromX] == king
8482 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8483 && toY == fromY && toX < fromX-1) {
8484 board[fromY][fromX] = EmptySquare;
8485 board[toY][toX] = king;
8486 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8487 board[fromY][BOARD_LEFT] = EmptySquare;
8488 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8489 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8490 && toY >= BOARD_HEIGHT-promoRank
8492 /* white pawn promotion */
8493 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8494 if (board[toY][toX] == EmptySquare) {
8495 board[toY][toX] = WhiteQueen;
8497 if(gameInfo.variant==VariantBughouse ||
8498 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8499 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8500 board[fromY][fromX] = EmptySquare;
8501 } else if ((fromY == BOARD_HEIGHT-4)
8503 && gameInfo.variant != VariantXiangqi
8504 && gameInfo.variant != VariantBerolina
8505 && (board[fromY][fromX] == WhitePawn)
8506 && (board[toY][toX] == EmptySquare)) {
8507 board[fromY][fromX] = EmptySquare;
8508 board[toY][toX] = WhitePawn;
8509 captured = board[toY - 1][toX];
8510 board[toY - 1][toX] = EmptySquare;
8511 } else if ((fromY == BOARD_HEIGHT-4)
8513 && gameInfo.variant == VariantBerolina
8514 && (board[fromY][fromX] == WhitePawn)
8515 && (board[toY][toX] == EmptySquare)) {
8516 board[fromY][fromX] = EmptySquare;
8517 board[toY][toX] = WhitePawn;
8518 if(oldEP & EP_BEROLIN_A) {
8519 captured = board[fromY][fromX-1];
8520 board[fromY][fromX-1] = EmptySquare;
8521 }else{ captured = board[fromY][fromX+1];
8522 board[fromY][fromX+1] = EmptySquare;
8524 } else if (board[fromY][fromX] == king
8525 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8526 && toY == fromY && toX > fromX+1) {
8527 board[fromY][fromX] = EmptySquare;
8528 board[toY][toX] = king;
8529 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8530 board[fromY][BOARD_RGHT-1] = EmptySquare;
8531 } else if (board[fromY][fromX] == king
8532 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8533 && toY == fromY && toX < fromX-1) {
8534 board[fromY][fromX] = EmptySquare;
8535 board[toY][toX] = king;
8536 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8537 board[fromY][BOARD_LEFT] = EmptySquare;
8538 } else if (fromY == 7 && fromX == 3
8539 && board[fromY][fromX] == BlackKing
8540 && toY == 7 && toX == 5) {
8541 board[fromY][fromX] = EmptySquare;
8542 board[toY][toX] = BlackKing;
8543 board[fromY][7] = EmptySquare;
8544 board[toY][4] = BlackRook;
8545 } else if (fromY == 7 && fromX == 3
8546 && board[fromY][fromX] == BlackKing
8547 && toY == 7 && toX == 1) {
8548 board[fromY][fromX] = EmptySquare;
8549 board[toY][toX] = BlackKing;
8550 board[fromY][0] = EmptySquare;
8551 board[toY][2] = BlackRook;
8552 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8553 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8556 /* black pawn promotion */
8557 board[toY][toX] = CharToPiece(ToLower(promoChar));
8558 if (board[toY][toX] == EmptySquare) {
8559 board[toY][toX] = BlackQueen;
8561 if(gameInfo.variant==VariantBughouse ||
8562 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8563 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8564 board[fromY][fromX] = EmptySquare;
8565 } else if ((fromY == 3)
8567 && gameInfo.variant != VariantXiangqi
8568 && gameInfo.variant != VariantBerolina
8569 && (board[fromY][fromX] == BlackPawn)
8570 && (board[toY][toX] == EmptySquare)) {
8571 board[fromY][fromX] = EmptySquare;
8572 board[toY][toX] = BlackPawn;
8573 captured = board[toY + 1][toX];
8574 board[toY + 1][toX] = EmptySquare;
8575 } else if ((fromY == 3)
8577 && gameInfo.variant == VariantBerolina
8578 && (board[fromY][fromX] == BlackPawn)
8579 && (board[toY][toX] == EmptySquare)) {
8580 board[fromY][fromX] = EmptySquare;
8581 board[toY][toX] = BlackPawn;
8582 if(oldEP & EP_BEROLIN_A) {
8583 captured = board[fromY][fromX-1];
8584 board[fromY][fromX-1] = EmptySquare;
8585 }else{ captured = board[fromY][fromX+1];
8586 board[fromY][fromX+1] = EmptySquare;
8589 board[toY][toX] = board[fromY][fromX];
8590 board[fromY][fromX] = EmptySquare;
8594 if (gameInfo.holdingsWidth != 0) {
8596 /* !!A lot more code needs to be written to support holdings */
8597 /* [HGM] OK, so I have written it. Holdings are stored in the */
8598 /* penultimate board files, so they are automaticlly stored */
8599 /* in the game history. */
8600 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8601 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8602 /* Delete from holdings, by decreasing count */
8603 /* and erasing image if necessary */
8604 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8605 if(p < (int) BlackPawn) { /* white drop */
8606 p -= (int)WhitePawn;
8607 p = PieceToNumber((ChessSquare)p);
8608 if(p >= gameInfo.holdingsSize) p = 0;
8609 if(--board[p][BOARD_WIDTH-2] <= 0)
8610 board[p][BOARD_WIDTH-1] = EmptySquare;
8611 if((int)board[p][BOARD_WIDTH-2] < 0)
8612 board[p][BOARD_WIDTH-2] = 0;
8613 } else { /* black drop */
8614 p -= (int)BlackPawn;
8615 p = PieceToNumber((ChessSquare)p);
8616 if(p >= gameInfo.holdingsSize) p = 0;
8617 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8618 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8619 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8620 board[BOARD_HEIGHT-1-p][1] = 0;
8623 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8624 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8625 /* [HGM] holdings: Add to holdings, if holdings exist */
8626 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8627 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8628 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8631 if (p >= (int) BlackPawn) {
8632 p -= (int)BlackPawn;
8633 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8634 /* in Shogi restore piece to its original first */
8635 captured = (ChessSquare) (DEMOTED captured);
8638 p = PieceToNumber((ChessSquare)p);
8639 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8640 board[p][BOARD_WIDTH-2]++;
8641 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8643 p -= (int)WhitePawn;
8644 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8645 captured = (ChessSquare) (DEMOTED captured);
8648 p = PieceToNumber((ChessSquare)p);
8649 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8650 board[BOARD_HEIGHT-1-p][1]++;
8651 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8654 } else if (gameInfo.variant == VariantAtomic) {
8655 if (captured != EmptySquare) {
8657 for (y = toY-1; y <= toY+1; y++) {
8658 for (x = toX-1; x <= toX+1; x++) {
8659 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8660 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8661 board[y][x] = EmptySquare;
8665 board[toY][toX] = EmptySquare;
8668 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8669 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8671 if(promoChar == '+') {
8672 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8673 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8674 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8675 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8677 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8678 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8679 // [HGM] superchess: take promotion piece out of holdings
8680 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8681 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8682 if(!--board[k][BOARD_WIDTH-2])
8683 board[k][BOARD_WIDTH-1] = EmptySquare;
8685 if(!--board[BOARD_HEIGHT-1-k][1])
8686 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8692 /* Updates forwardMostMove */
8694 MakeMove(fromX, fromY, toX, toY, promoChar)
8695 int fromX, fromY, toX, toY;
8698 // forwardMostMove++; // [HGM] bare: moved downstream
8700 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8701 int timeLeft; static int lastLoadFlag=0; int king, piece;
8702 piece = boards[forwardMostMove][fromY][fromX];
8703 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8704 if(gameInfo.variant == VariantKnightmate)
8705 king += (int) WhiteUnicorn - (int) WhiteKing;
8706 if(forwardMostMove == 0) {
8708 fprintf(serverMoves, "%s;", second.tidy);
8709 fprintf(serverMoves, "%s;", first.tidy);
8710 if(!blackPlaysFirst)
8711 fprintf(serverMoves, "%s;", second.tidy);
8712 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8713 lastLoadFlag = loadFlag;
8715 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8716 // print castling suffix
8717 if( toY == fromY && piece == king ) {
8719 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8721 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8724 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8725 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8726 boards[forwardMostMove][toY][toX] == EmptySquare
8727 && fromX != toX && fromY != toY)
8728 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8730 if(promoChar != NULLCHAR)
8731 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8733 fprintf(serverMoves, "/%d/%d",
8734 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8735 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8736 else timeLeft = blackTimeRemaining/1000;
8737 fprintf(serverMoves, "/%d", timeLeft);
8739 fflush(serverMoves);
8742 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8743 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8747 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8748 if (commentList[forwardMostMove+1] != NULL) {
8749 free(commentList[forwardMostMove+1]);
8750 commentList[forwardMostMove+1] = NULL;
8752 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8753 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8754 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8755 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8756 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8757 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8758 gameInfo.result = GameUnfinished;
8759 if (gameInfo.resultDetails != NULL) {
8760 free(gameInfo.resultDetails);
8761 gameInfo.resultDetails = NULL;
8763 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8764 moveList[forwardMostMove - 1]);
8765 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8766 PosFlags(forwardMostMove - 1),
8767 fromY, fromX, toY, toX, promoChar,
8768 parseList[forwardMostMove - 1]);
8769 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8775 if(gameInfo.variant != VariantShogi)
8776 strcat(parseList[forwardMostMove - 1], "+");
8780 strcat(parseList[forwardMostMove - 1], "#");
8783 if (appData.debugMode) {
8784 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8789 /* Updates currentMove if not pausing */
8791 ShowMove(fromX, fromY, toX, toY)
8793 int instant = (gameMode == PlayFromGameFile) ?
8794 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8795 if(appData.noGUI) return;
8796 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8798 if (forwardMostMove == currentMove + 1) {
8799 AnimateMove(boards[forwardMostMove - 1],
8800 fromX, fromY, toX, toY);
8802 if (appData.highlightLastMove) {
8803 SetHighlights(fromX, fromY, toX, toY);
8806 currentMove = forwardMostMove;
8809 if (instant) return;
8811 DisplayMove(currentMove - 1);
8812 DrawPosition(FALSE, boards[currentMove]);
8813 DisplayBothClocks();
8814 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8817 void SendEgtPath(ChessProgramState *cps)
8818 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8819 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8821 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8824 char c, *q = name+1, *r, *s;
8826 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8827 while(*p && *p != ',') *q++ = *p++;
8829 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8830 strcmp(name, ",nalimov:") == 0 ) {
8831 // take nalimov path from the menu-changeable option first, if it is defined
8832 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8833 SendToProgram(buf,cps); // send egtbpath command for nalimov
8835 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8836 (s = StrStr(appData.egtFormats, name)) != NULL) {
8837 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8838 s = r = StrStr(s, ":") + 1; // beginning of path info
8839 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8840 c = *r; *r = 0; // temporarily null-terminate path info
8841 *--q = 0; // strip of trailig ':' from name
8842 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8844 SendToProgram(buf,cps); // send egtbpath command for this format
8846 if(*p == ',') p++; // read away comma to position for next format name
8851 InitChessProgram(cps, setup)
8852 ChessProgramState *cps;
8853 int setup; /* [HGM] needed to setup FRC opening position */
8855 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8856 if (appData.noChessProgram) return;
8857 hintRequested = FALSE;
8858 bookRequested = FALSE;
8860 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8861 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8862 if(cps->memSize) { /* [HGM] memory */
8863 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8864 SendToProgram(buf, cps);
8866 SendEgtPath(cps); /* [HGM] EGT */
8867 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8868 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8869 SendToProgram(buf, cps);
8872 SendToProgram(cps->initString, cps);
8873 if (gameInfo.variant != VariantNormal &&
8874 gameInfo.variant != VariantLoadable
8875 /* [HGM] also send variant if board size non-standard */
8876 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8878 char *v = VariantName(gameInfo.variant);
8879 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8880 /* [HGM] in protocol 1 we have to assume all variants valid */
8881 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8882 DisplayFatalError(buf, 0, 1);
8886 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8887 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8888 if( gameInfo.variant == VariantXiangqi )
8889 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8890 if( gameInfo.variant == VariantShogi )
8891 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8892 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8893 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8894 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8895 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
8896 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8897 if( gameInfo.variant == VariantCourier )
8898 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8899 if( gameInfo.variant == VariantSuper )
8900 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8901 if( gameInfo.variant == VariantGreat )
8902 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8903 if( gameInfo.variant == VariantSChess )
8904 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8907 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8908 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8909 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8910 if(StrStr(cps->variants, b) == NULL) {
8911 // specific sized variant not known, check if general sizing allowed
8912 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8913 if(StrStr(cps->variants, "boardsize") == NULL) {
8914 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8915 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8916 DisplayFatalError(buf, 0, 1);
8919 /* [HGM] here we really should compare with the maximum supported board size */
8922 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8923 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8924 SendToProgram(buf, cps);
8926 currentlyInitializedVariant = gameInfo.variant;
8928 /* [HGM] send opening position in FRC to first engine */
8930 SendToProgram("force\n", cps);
8932 /* engine is now in force mode! Set flag to wake it up after first move. */
8933 setboardSpoiledMachineBlack = 1;
8937 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8938 SendToProgram(buf, cps);
8940 cps->maybeThinking = FALSE;
8941 cps->offeredDraw = 0;
8942 if (!appData.icsActive) {
8943 SendTimeControl(cps, movesPerSession, timeControl,
8944 timeIncrement, appData.searchDepth,
8947 if (appData.showThinking
8948 // [HGM] thinking: four options require thinking output to be sent
8949 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8951 SendToProgram("post\n", cps);
8953 SendToProgram("hard\n", cps);
8954 if (!appData.ponderNextMove) {
8955 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8956 it without being sure what state we are in first. "hard"
8957 is not a toggle, so that one is OK.
8959 SendToProgram("easy\n", cps);
8962 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8963 SendToProgram(buf, cps);
8965 cps->initDone = TRUE;
8970 StartChessProgram(cps)
8971 ChessProgramState *cps;
8976 if (appData.noChessProgram) return;
8977 cps->initDone = FALSE;
8979 if (strcmp(cps->host, "localhost") == 0) {
8980 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8981 } else if (*appData.remoteShell == NULLCHAR) {
8982 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8984 if (*appData.remoteUser == NULLCHAR) {
8985 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
8988 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
8989 cps->host, appData.remoteUser, cps->program);
8991 err = StartChildProcess(buf, "", &cps->pr);
8995 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
8996 DisplayFatalError(buf, err, 1);
9002 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9003 if (cps->protocolVersion > 1) {
9004 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9005 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9006 cps->comboCnt = 0; // and values of combo boxes
9007 SendToProgram(buf, cps);
9009 SendToProgram("xboard\n", cps);
9015 TwoMachinesEventIfReady P((void))
9017 if (first.lastPing != first.lastPong) {
9018 DisplayMessage("", _("Waiting for first chess program"));
9019 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9022 if (second.lastPing != second.lastPong) {
9023 DisplayMessage("", _("Waiting for second chess program"));
9024 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9032 NextMatchGame P((void))
9034 int index; /* [HGM] autoinc: step load index during match */
9036 if (*appData.loadGameFile != NULLCHAR) {
9037 index = appData.loadGameIndex;
9038 if(index < 0) { // [HGM] autoinc
9039 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9040 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9042 LoadGameFromFile(appData.loadGameFile,
9044 appData.loadGameFile, FALSE);
9045 } else if (*appData.loadPositionFile != NULLCHAR) {
9046 index = appData.loadPositionIndex;
9047 if(index < 0) { // [HGM] autoinc
9048 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9049 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9051 LoadPositionFromFile(appData.loadPositionFile,
9053 appData.loadPositionFile);
9055 TwoMachinesEventIfReady();
9058 void UserAdjudicationEvent( int result )
9060 ChessMove gameResult = GameIsDrawn;
9063 gameResult = WhiteWins;
9065 else if( result < 0 ) {
9066 gameResult = BlackWins;
9069 if( gameMode == TwoMachinesPlay ) {
9070 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9075 // [HGM] save: calculate checksum of game to make games easily identifiable
9076 int StringCheckSum(char *s)
9079 if(s==NULL) return 0;
9080 while(*s) i = i*259 + *s++;
9087 for(i=backwardMostMove; i<forwardMostMove; i++) {
9088 sum += pvInfoList[i].depth;
9089 sum += StringCheckSum(parseList[i]);
9090 sum += StringCheckSum(commentList[i]);
9093 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9094 return sum + StringCheckSum(commentList[i]);
9095 } // end of save patch
9098 GameEnds(result, resultDetails, whosays)
9100 char *resultDetails;
9103 GameMode nextGameMode;
9105 char buf[MSG_SIZ], popupRequested = 0;
9107 if(endingGame) return; /* [HGM] crash: forbid recursion */
9109 if(twoBoards) { // [HGM] dual: switch back to one board
9110 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9111 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9113 if (appData.debugMode) {
9114 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9115 result, resultDetails ? resultDetails : "(null)", whosays);
9118 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9120 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9121 /* If we are playing on ICS, the server decides when the
9122 game is over, but the engine can offer to draw, claim
9126 if (appData.zippyPlay && first.initDone) {
9127 if (result == GameIsDrawn) {
9128 /* In case draw still needs to be claimed */
9129 SendToICS(ics_prefix);
9130 SendToICS("draw\n");
9131 } else if (StrCaseStr(resultDetails, "resign")) {
9132 SendToICS(ics_prefix);
9133 SendToICS("resign\n");
9137 endingGame = 0; /* [HGM] crash */
9141 /* If we're loading the game from a file, stop */
9142 if (whosays == GE_FILE) {
9143 (void) StopLoadGameTimer();
9147 /* Cancel draw offers */
9148 first.offeredDraw = second.offeredDraw = 0;
9150 /* If this is an ICS game, only ICS can really say it's done;
9151 if not, anyone can. */
9152 isIcsGame = (gameMode == IcsPlayingWhite ||
9153 gameMode == IcsPlayingBlack ||
9154 gameMode == IcsObserving ||
9155 gameMode == IcsExamining);
9157 if (!isIcsGame || whosays == GE_ICS) {
9158 /* OK -- not an ICS game, or ICS said it was done */
9160 if (!isIcsGame && !appData.noChessProgram)
9161 SetUserThinkingEnables();
9163 /* [HGM] if a machine claims the game end we verify this claim */
9164 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9165 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9167 ChessMove trueResult = (ChessMove) -1;
9169 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9170 first.twoMachinesColor[0] :
9171 second.twoMachinesColor[0] ;
9173 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9174 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9175 /* [HGM] verify: engine mate claims accepted if they were flagged */
9176 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9178 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9179 /* [HGM] verify: engine mate claims accepted if they were flagged */
9180 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9182 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9183 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9186 // now verify win claims, but not in drop games, as we don't understand those yet
9187 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9188 || gameInfo.variant == VariantGreat) &&
9189 (result == WhiteWins && claimer == 'w' ||
9190 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9191 if (appData.debugMode) {
9192 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9193 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9195 if(result != trueResult) {
9196 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9197 result = claimer == 'w' ? BlackWins : WhiteWins;
9198 resultDetails = buf;
9201 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9202 && (forwardMostMove <= backwardMostMove ||
9203 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9204 (claimer=='b')==(forwardMostMove&1))
9206 /* [HGM] verify: draws that were not flagged are false claims */
9207 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9208 result = claimer == 'w' ? BlackWins : WhiteWins;
9209 resultDetails = buf;
9211 /* (Claiming a loss is accepted no questions asked!) */
9213 /* [HGM] bare: don't allow bare King to win */
9214 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9215 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9216 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9217 && result != GameIsDrawn)
9218 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9219 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9220 int p = (signed char)boards[forwardMostMove][i][j] - color;
9221 if(p >= 0 && p <= (int)WhiteKing) k++;
9223 if (appData.debugMode) {
9224 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9225 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9228 result = GameIsDrawn;
9229 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9230 resultDetails = buf;
9236 if(serverMoves != NULL && !loadFlag) { char c = '=';
9237 if(result==WhiteWins) c = '+';
9238 if(result==BlackWins) c = '-';
9239 if(resultDetails != NULL)
9240 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9242 if (resultDetails != NULL) {
9243 gameInfo.result = result;
9244 gameInfo.resultDetails = StrSave(resultDetails);
9246 /* display last move only if game was not loaded from file */
9247 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9248 DisplayMove(currentMove - 1);
9250 if (forwardMostMove != 0) {
9251 if (gameMode != PlayFromGameFile && gameMode != EditGame
9252 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9254 if (*appData.saveGameFile != NULLCHAR) {
9255 SaveGameToFile(appData.saveGameFile, TRUE);
9256 } else if (appData.autoSaveGames) {
9259 if (*appData.savePositionFile != NULLCHAR) {
9260 SavePositionToFile(appData.savePositionFile);
9265 /* Tell program how game ended in case it is learning */
9266 /* [HGM] Moved this to after saving the PGN, just in case */
9267 /* engine died and we got here through time loss. In that */
9268 /* case we will get a fatal error writing the pipe, which */
9269 /* would otherwise lose us the PGN. */
9270 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9271 /* output during GameEnds should never be fatal anymore */
9272 if (gameMode == MachinePlaysWhite ||
9273 gameMode == MachinePlaysBlack ||
9274 gameMode == TwoMachinesPlay ||
9275 gameMode == IcsPlayingWhite ||
9276 gameMode == IcsPlayingBlack ||
9277 gameMode == BeginningOfGame) {
9279 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9281 if (first.pr != NoProc) {
9282 SendToProgram(buf, &first);
9284 if (second.pr != NoProc &&
9285 gameMode == TwoMachinesPlay) {
9286 SendToProgram(buf, &second);
9291 if (appData.icsActive) {
9292 if (appData.quietPlay &&
9293 (gameMode == IcsPlayingWhite ||
9294 gameMode == IcsPlayingBlack)) {
9295 SendToICS(ics_prefix);
9296 SendToICS("set shout 1\n");
9298 nextGameMode = IcsIdle;
9299 ics_user_moved = FALSE;
9300 /* clean up premove. It's ugly when the game has ended and the
9301 * premove highlights are still on the board.
9305 ClearPremoveHighlights();
9306 DrawPosition(FALSE, boards[currentMove]);
9308 if (whosays == GE_ICS) {
9311 if (gameMode == IcsPlayingWhite)
9313 else if(gameMode == IcsPlayingBlack)
9317 if (gameMode == IcsPlayingBlack)
9319 else if(gameMode == IcsPlayingWhite)
9326 PlayIcsUnfinishedSound();
9329 } else if (gameMode == EditGame ||
9330 gameMode == PlayFromGameFile ||
9331 gameMode == AnalyzeMode ||
9332 gameMode == AnalyzeFile) {
9333 nextGameMode = gameMode;
9335 nextGameMode = EndOfGame;
9340 nextGameMode = gameMode;
9343 if (appData.noChessProgram) {
9344 gameMode = nextGameMode;
9346 endingGame = 0; /* [HGM] crash */
9351 /* Put first chess program into idle state */
9352 if (first.pr != NoProc &&
9353 (gameMode == MachinePlaysWhite ||
9354 gameMode == MachinePlaysBlack ||
9355 gameMode == TwoMachinesPlay ||
9356 gameMode == IcsPlayingWhite ||
9357 gameMode == IcsPlayingBlack ||
9358 gameMode == BeginningOfGame)) {
9359 SendToProgram("force\n", &first);
9360 if (first.usePing) {
9362 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9363 SendToProgram(buf, &first);
9366 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9367 /* Kill off first chess program */
9368 if (first.isr != NULL)
9369 RemoveInputSource(first.isr);
9372 if (first.pr != NoProc) {
9374 DoSleep( appData.delayBeforeQuit );
9375 SendToProgram("quit\n", &first);
9376 DoSleep( appData.delayAfterQuit );
9377 DestroyChildProcess(first.pr, first.useSigterm);
9382 /* Put second chess program into idle state */
9383 if (second.pr != NoProc &&
9384 gameMode == TwoMachinesPlay) {
9385 SendToProgram("force\n", &second);
9386 if (second.usePing) {
9388 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9389 SendToProgram(buf, &second);
9392 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9393 /* Kill off second chess program */
9394 if (second.isr != NULL)
9395 RemoveInputSource(second.isr);
9398 if (second.pr != NoProc) {
9399 DoSleep( appData.delayBeforeQuit );
9400 SendToProgram("quit\n", &second);
9401 DoSleep( appData.delayAfterQuit );
9402 DestroyChildProcess(second.pr, second.useSigterm);
9407 if (matchMode && gameMode == TwoMachinesPlay) {
9410 if (first.twoMachinesColor[0] == 'w') {
9417 if (first.twoMachinesColor[0] == 'b') {
9426 if (matchGame < appData.matchGames) {
9428 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9429 tmp = first.twoMachinesColor;
9430 first.twoMachinesColor = second.twoMachinesColor;
9431 second.twoMachinesColor = tmp;
9433 gameMode = nextGameMode;
9435 if(appData.matchPause>10000 || appData.matchPause<10)
9436 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9437 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9438 endingGame = 0; /* [HGM] crash */
9441 gameMode = nextGameMode;
9442 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9443 first.tidy, second.tidy,
9444 first.matchWins, second.matchWins,
9445 appData.matchGames - (first.matchWins + second.matchWins));
9446 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9447 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9448 first.twoMachinesColor = "black\n";
9449 second.twoMachinesColor = "white\n";
9451 first.twoMachinesColor = "white\n";
9452 second.twoMachinesColor = "black\n";
9456 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9457 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9459 gameMode = nextGameMode;
9461 endingGame = 0; /* [HGM] crash */
9462 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9463 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9464 matchMode = FALSE; appData.matchGames = matchGame = 0;
9470 /* Assumes program was just initialized (initString sent).
9471 Leaves program in force mode. */
9473 FeedMovesToProgram(cps, upto)
9474 ChessProgramState *cps;
9479 if (appData.debugMode)
9480 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9481 startedFromSetupPosition ? "position and " : "",
9482 backwardMostMove, upto, cps->which);
9483 if(currentlyInitializedVariant != gameInfo.variant) {
9485 // [HGM] variantswitch: make engine aware of new variant
9486 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9487 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9488 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9489 SendToProgram(buf, cps);
9490 currentlyInitializedVariant = gameInfo.variant;
9492 SendToProgram("force\n", cps);
9493 if (startedFromSetupPosition) {
9494 SendBoard(cps, backwardMostMove);
9495 if (appData.debugMode) {
9496 fprintf(debugFP, "feedMoves\n");
9499 for (i = backwardMostMove; i < upto; i++) {
9500 SendMoveToProgram(i, cps);
9506 ResurrectChessProgram()
9508 /* The chess program may have exited.
9509 If so, restart it and feed it all the moves made so far. */
9511 if (appData.noChessProgram || first.pr != NoProc) return;
9513 StartChessProgram(&first);
9514 InitChessProgram(&first, FALSE);
9515 FeedMovesToProgram(&first, currentMove);
9517 if (!first.sendTime) {
9518 /* can't tell gnuchess what its clock should read,
9519 so we bow to its notion. */
9521 timeRemaining[0][currentMove] = whiteTimeRemaining;
9522 timeRemaining[1][currentMove] = blackTimeRemaining;
9525 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9526 appData.icsEngineAnalyze) && first.analysisSupport) {
9527 SendToProgram("analyze\n", &first);
9528 first.analyzing = TRUE;
9541 if (appData.debugMode) {
9542 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9543 redraw, init, gameMode);
9545 CleanupTail(); // [HGM] vari: delete any stored variations
9546 pausing = pauseExamInvalid = FALSE;
9547 startedFromSetupPosition = blackPlaysFirst = FALSE;
9549 whiteFlag = blackFlag = FALSE;
9550 userOfferedDraw = FALSE;
9551 hintRequested = bookRequested = FALSE;
9552 first.maybeThinking = FALSE;
9553 second.maybeThinking = FALSE;
9554 first.bookSuspend = FALSE; // [HGM] book
9555 second.bookSuspend = FALSE;
9556 thinkOutput[0] = NULLCHAR;
9557 lastHint[0] = NULLCHAR;
9558 ClearGameInfo(&gameInfo);
9559 gameInfo.variant = StringToVariant(appData.variant);
9560 ics_user_moved = ics_clock_paused = FALSE;
9561 ics_getting_history = H_FALSE;
9563 white_holding[0] = black_holding[0] = NULLCHAR;
9564 ClearProgramStats();
9565 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9569 flipView = appData.flipView;
9570 ClearPremoveHighlights();
9572 alarmSounded = FALSE;
9574 GameEnds(EndOfFile, NULL, GE_PLAYER);
9575 if(appData.serverMovesName != NULL) {
9576 /* [HGM] prepare to make moves file for broadcasting */
9577 clock_t t = clock();
9578 if(serverMoves != NULL) fclose(serverMoves);
9579 serverMoves = fopen(appData.serverMovesName, "r");
9580 if(serverMoves != NULL) {
9581 fclose(serverMoves);
9582 /* delay 15 sec before overwriting, so all clients can see end */
9583 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9585 serverMoves = fopen(appData.serverMovesName, "w");
9589 gameMode = BeginningOfGame;
9591 if(appData.icsActive) gameInfo.variant = VariantNormal;
9592 currentMove = forwardMostMove = backwardMostMove = 0;
9593 InitPosition(redraw);
9594 for (i = 0; i < MAX_MOVES; i++) {
9595 if (commentList[i] != NULL) {
9596 free(commentList[i]);
9597 commentList[i] = NULL;
9601 timeRemaining[0][0] = whiteTimeRemaining;
9602 timeRemaining[1][0] = blackTimeRemaining;
9603 if (first.pr == NULL) {
9604 StartChessProgram(&first);
9607 InitChessProgram(&first, startedFromSetupPosition);
9610 DisplayMessage("", "");
9611 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9612 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9619 if (!AutoPlayOneMove())
9621 if (matchMode || appData.timeDelay == 0)
9623 if (appData.timeDelay < 0)
9625 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9634 int fromX, fromY, toX, toY;
9636 if (appData.debugMode) {
9637 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9640 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9643 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9644 pvInfoList[currentMove].depth = programStats.depth;
9645 pvInfoList[currentMove].score = programStats.score;
9646 pvInfoList[currentMove].time = 0;
9647 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9650 if (currentMove >= forwardMostMove) {
9651 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9652 gameMode = EditGame;
9655 /* [AS] Clear current move marker at the end of a game */
9656 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9661 toX = moveList[currentMove][2] - AAA;
9662 toY = moveList[currentMove][3] - ONE;
9664 if (moveList[currentMove][1] == '@') {
9665 if (appData.highlightLastMove) {
9666 SetHighlights(-1, -1, toX, toY);
9669 fromX = moveList[currentMove][0] - AAA;
9670 fromY = moveList[currentMove][1] - ONE;
9672 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9674 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9676 if (appData.highlightLastMove) {
9677 SetHighlights(fromX, fromY, toX, toY);
9680 DisplayMove(currentMove);
9681 SendMoveToProgram(currentMove++, &first);
9682 DisplayBothClocks();
9683 DrawPosition(FALSE, boards[currentMove]);
9684 // [HGM] PV info: always display, routine tests if empty
9685 DisplayComment(currentMove - 1, commentList[currentMove]);
9691 LoadGameOneMove(readAhead)
9692 ChessMove readAhead;
9694 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9695 char promoChar = NULLCHAR;
9700 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9701 gameMode != AnalyzeMode && gameMode != Training) {
9706 yyboardindex = forwardMostMove;
9707 if (readAhead != EndOfFile) {
9708 moveType = readAhead;
9710 if (gameFileFP == NULL)
9712 moveType = (ChessMove) Myylex();
9718 if (appData.debugMode)
9719 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9722 /* append the comment but don't display it */
9723 AppendComment(currentMove, p, FALSE);
9726 case WhiteCapturesEnPassant:
9727 case BlackCapturesEnPassant:
9728 case WhitePromotion:
9729 case BlackPromotion:
9730 case WhiteNonPromotion:
9731 case BlackNonPromotion:
9733 case WhiteKingSideCastle:
9734 case WhiteQueenSideCastle:
9735 case BlackKingSideCastle:
9736 case BlackQueenSideCastle:
9737 case WhiteKingSideCastleWild:
9738 case WhiteQueenSideCastleWild:
9739 case BlackKingSideCastleWild:
9740 case BlackQueenSideCastleWild:
9742 case WhiteHSideCastleFR:
9743 case WhiteASideCastleFR:
9744 case BlackHSideCastleFR:
9745 case BlackASideCastleFR:
9747 if (appData.debugMode)
9748 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9749 fromX = currentMoveString[0] - AAA;
9750 fromY = currentMoveString[1] - ONE;
9751 toX = currentMoveString[2] - AAA;
9752 toY = currentMoveString[3] - ONE;
9753 promoChar = currentMoveString[4];
9758 if (appData.debugMode)
9759 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9760 fromX = moveType == WhiteDrop ?
9761 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9762 (int) CharToPiece(ToLower(currentMoveString[0]));
9764 toX = currentMoveString[2] - AAA;
9765 toY = currentMoveString[3] - ONE;
9771 case GameUnfinished:
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9774 p = strchr(yy_text, '{');
9775 if (p == NULL) p = strchr(yy_text, '(');
9778 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9780 q = strchr(p, *p == '{' ? '}' : ')');
9781 if (q != NULL) *q = NULLCHAR;
9784 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9785 GameEnds(moveType, p, GE_FILE);
9787 if (cmailMsgLoaded) {
9789 flipView = WhiteOnMove(currentMove);
9790 if (moveType == GameUnfinished) flipView = !flipView;
9791 if (appData.debugMode)
9792 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9797 if (appData.debugMode)
9798 fprintf(debugFP, "Parser hit end of file\n");
9799 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9805 if (WhiteOnMove(currentMove)) {
9806 GameEnds(BlackWins, "Black mates", GE_FILE);
9808 GameEnds(WhiteWins, "White mates", GE_FILE);
9812 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9819 if (lastLoadGameStart == GNUChessGame) {
9820 /* GNUChessGames have numbers, but they aren't move numbers */
9821 if (appData.debugMode)
9822 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9823 yy_text, (int) moveType);
9824 return LoadGameOneMove(EndOfFile); /* tail recursion */
9826 /* else fall thru */
9831 /* Reached start of next game in file */
9832 if (appData.debugMode)
9833 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9834 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9840 if (WhiteOnMove(currentMove)) {
9841 GameEnds(BlackWins, "Black mates", GE_FILE);
9843 GameEnds(WhiteWins, "White mates", GE_FILE);
9847 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9853 case PositionDiagram: /* should not happen; ignore */
9854 case ElapsedTime: /* ignore */
9855 case NAG: /* ignore */
9856 if (appData.debugMode)
9857 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9858 yy_text, (int) moveType);
9859 return LoadGameOneMove(EndOfFile); /* tail recursion */
9862 if (appData.testLegality) {
9863 if (appData.debugMode)
9864 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9865 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9866 (forwardMostMove / 2) + 1,
9867 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9868 DisplayError(move, 0);
9871 if (appData.debugMode)
9872 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9873 yy_text, currentMoveString);
9874 fromX = currentMoveString[0] - AAA;
9875 fromY = currentMoveString[1] - ONE;
9876 toX = currentMoveString[2] - AAA;
9877 toY = currentMoveString[3] - ONE;
9878 promoChar = currentMoveString[4];
9883 if (appData.debugMode)
9884 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9885 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9886 (forwardMostMove / 2) + 1,
9887 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9888 DisplayError(move, 0);
9893 case ImpossibleMove:
9894 if (appData.debugMode)
9895 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9896 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9897 (forwardMostMove / 2) + 1,
9898 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9899 DisplayError(move, 0);
9905 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9906 DrawPosition(FALSE, boards[currentMove]);
9907 DisplayBothClocks();
9908 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9909 DisplayComment(currentMove - 1, commentList[currentMove]);
9911 (void) StopLoadGameTimer();
9913 cmailOldMove = forwardMostMove;
9916 /* currentMoveString is set as a side-effect of yylex */
9918 thinkOutput[0] = NULLCHAR;
9919 MakeMove(fromX, fromY, toX, toY, promoChar);
9920 currentMove = forwardMostMove;
9925 /* Load the nth game from the given file */
9927 LoadGameFromFile(filename, n, title, useList)
9931 /*Boolean*/ int useList;
9936 if (strcmp(filename, "-") == 0) {
9940 f = fopen(filename, "rb");
9942 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9943 DisplayError(buf, errno);
9947 if (fseek(f, 0, 0) == -1) {
9948 /* f is not seekable; probably a pipe */
9951 if (useList && n == 0) {
9952 int error = GameListBuild(f);
9954 DisplayError(_("Cannot build game list"), error);
9955 } else if (!ListEmpty(&gameList) &&
9956 ((ListGame *) gameList.tailPred)->number > 1) {
9957 GameListPopUp(f, title);
9964 return LoadGame(f, n, title, FALSE);
9969 MakeRegisteredMove()
9971 int fromX, fromY, toX, toY;
9973 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9974 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9977 if (appData.debugMode)
9978 fprintf(debugFP, "Restoring %s for game %d\n",
9979 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9981 thinkOutput[0] = NULLCHAR;
9982 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9983 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
9984 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
9985 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
9986 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
9987 promoChar = cmailMove[lastLoadGameNumber - 1][4];
9988 MakeMove(fromX, fromY, toX, toY, promoChar);
9989 ShowMove(fromX, fromY, toX, toY);
9991 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9998 if (WhiteOnMove(currentMove)) {
9999 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10001 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10006 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10013 if (WhiteOnMove(currentMove)) {
10014 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10016 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10021 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10032 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10034 CmailLoadGame(f, gameNumber, title, useList)
10042 if (gameNumber > nCmailGames) {
10043 DisplayError(_("No more games in this message"), 0);
10046 if (f == lastLoadGameFP) {
10047 int offset = gameNumber - lastLoadGameNumber;
10049 cmailMsg[0] = NULLCHAR;
10050 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10051 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10052 nCmailMovesRegistered--;
10054 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10055 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10056 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10059 if (! RegisterMove()) return FALSE;
10063 retVal = LoadGame(f, gameNumber, title, useList);
10065 /* Make move registered during previous look at this game, if any */
10066 MakeRegisteredMove();
10068 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10069 commentList[currentMove]
10070 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10071 DisplayComment(currentMove - 1, commentList[currentMove]);
10077 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10082 int gameNumber = lastLoadGameNumber + offset;
10083 if (lastLoadGameFP == NULL) {
10084 DisplayError(_("No game has been loaded yet"), 0);
10087 if (gameNumber <= 0) {
10088 DisplayError(_("Can't back up any further"), 0);
10091 if (cmailMsgLoaded) {
10092 return CmailLoadGame(lastLoadGameFP, gameNumber,
10093 lastLoadGameTitle, lastLoadGameUseList);
10095 return LoadGame(lastLoadGameFP, gameNumber,
10096 lastLoadGameTitle, lastLoadGameUseList);
10102 /* Load the nth game from open file f */
10104 LoadGame(f, gameNumber, title, useList)
10112 int gn = gameNumber;
10113 ListGame *lg = NULL;
10114 int numPGNTags = 0;
10116 GameMode oldGameMode;
10117 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10119 if (appData.debugMode)
10120 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10122 if (gameMode == Training )
10123 SetTrainingModeOff();
10125 oldGameMode = gameMode;
10126 if (gameMode != BeginningOfGame) {
10127 Reset(FALSE, TRUE);
10131 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10132 fclose(lastLoadGameFP);
10136 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10139 fseek(f, lg->offset, 0);
10140 GameListHighlight(gameNumber);
10144 DisplayError(_("Game number out of range"), 0);
10149 if (fseek(f, 0, 0) == -1) {
10150 if (f == lastLoadGameFP ?
10151 gameNumber == lastLoadGameNumber + 1 :
10155 DisplayError(_("Can't seek on game file"), 0);
10160 lastLoadGameFP = f;
10161 lastLoadGameNumber = gameNumber;
10162 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10163 lastLoadGameUseList = useList;
10167 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10168 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10169 lg->gameInfo.black);
10171 } else if (*title != NULLCHAR) {
10172 if (gameNumber > 1) {
10173 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10176 DisplayTitle(title);
10180 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10181 gameMode = PlayFromGameFile;
10185 currentMove = forwardMostMove = backwardMostMove = 0;
10186 CopyBoard(boards[0], initialPosition);
10190 * Skip the first gn-1 games in the file.
10191 * Also skip over anything that precedes an identifiable
10192 * start of game marker, to avoid being confused by
10193 * garbage at the start of the file. Currently
10194 * recognized start of game markers are the move number "1",
10195 * the pattern "gnuchess .* game", the pattern
10196 * "^[#;%] [^ ]* game file", and a PGN tag block.
10197 * A game that starts with one of the latter two patterns
10198 * will also have a move number 1, possibly
10199 * following a position diagram.
10200 * 5-4-02: Let's try being more lenient and allowing a game to
10201 * start with an unnumbered move. Does that break anything?
10203 cm = lastLoadGameStart = EndOfFile;
10205 yyboardindex = forwardMostMove;
10206 cm = (ChessMove) Myylex();
10209 if (cmailMsgLoaded) {
10210 nCmailGames = CMAIL_MAX_GAMES - gn;
10213 DisplayError(_("Game not found in file"), 0);
10220 lastLoadGameStart = cm;
10223 case MoveNumberOne:
10224 switch (lastLoadGameStart) {
10229 case MoveNumberOne:
10231 gn--; /* count this game */
10232 lastLoadGameStart = cm;
10241 switch (lastLoadGameStart) {
10244 case MoveNumberOne:
10246 gn--; /* count this game */
10247 lastLoadGameStart = cm;
10250 lastLoadGameStart = cm; /* game counted already */
10258 yyboardindex = forwardMostMove;
10259 cm = (ChessMove) Myylex();
10260 } while (cm == PGNTag || cm == Comment);
10267 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10268 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10269 != CMAIL_OLD_RESULT) {
10271 cmailResult[ CMAIL_MAX_GAMES
10272 - gn - 1] = CMAIL_OLD_RESULT;
10278 /* Only a NormalMove can be at the start of a game
10279 * without a position diagram. */
10280 if (lastLoadGameStart == EndOfFile ) {
10282 lastLoadGameStart = MoveNumberOne;
10291 if (appData.debugMode)
10292 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10294 if (cm == XBoardGame) {
10295 /* Skip any header junk before position diagram and/or move 1 */
10297 yyboardindex = forwardMostMove;
10298 cm = (ChessMove) Myylex();
10300 if (cm == EndOfFile ||
10301 cm == GNUChessGame || cm == XBoardGame) {
10302 /* Empty game; pretend end-of-file and handle later */
10307 if (cm == MoveNumberOne || cm == PositionDiagram ||
10308 cm == PGNTag || cm == Comment)
10311 } else if (cm == GNUChessGame) {
10312 if (gameInfo.event != NULL) {
10313 free(gameInfo.event);
10315 gameInfo.event = StrSave(yy_text);
10318 startedFromSetupPosition = FALSE;
10319 while (cm == PGNTag) {
10320 if (appData.debugMode)
10321 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10322 err = ParsePGNTag(yy_text, &gameInfo);
10323 if (!err) numPGNTags++;
10325 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10326 if(gameInfo.variant != oldVariant) {
10327 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10328 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10329 InitPosition(TRUE);
10330 oldVariant = gameInfo.variant;
10331 if (appData.debugMode)
10332 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10336 if (gameInfo.fen != NULL) {
10337 Board initial_position;
10338 startedFromSetupPosition = TRUE;
10339 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10341 DisplayError(_("Bad FEN position in file"), 0);
10344 CopyBoard(boards[0], initial_position);
10345 if (blackPlaysFirst) {
10346 currentMove = forwardMostMove = backwardMostMove = 1;
10347 CopyBoard(boards[1], initial_position);
10348 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10349 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10350 timeRemaining[0][1] = whiteTimeRemaining;
10351 timeRemaining[1][1] = blackTimeRemaining;
10352 if (commentList[0] != NULL) {
10353 commentList[1] = commentList[0];
10354 commentList[0] = NULL;
10357 currentMove = forwardMostMove = backwardMostMove = 0;
10359 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10361 initialRulePlies = FENrulePlies;
10362 for( i=0; i< nrCastlingRights; i++ )
10363 initialRights[i] = initial_position[CASTLING][i];
10365 yyboardindex = forwardMostMove;
10366 free(gameInfo.fen);
10367 gameInfo.fen = NULL;
10370 yyboardindex = forwardMostMove;
10371 cm = (ChessMove) Myylex();
10373 /* Handle comments interspersed among the tags */
10374 while (cm == Comment) {
10376 if (appData.debugMode)
10377 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10379 AppendComment(currentMove, p, FALSE);
10380 yyboardindex = forwardMostMove;
10381 cm = (ChessMove) Myylex();
10385 /* don't rely on existence of Event tag since if game was
10386 * pasted from clipboard the Event tag may not exist
10388 if (numPGNTags > 0){
10390 if (gameInfo.variant == VariantNormal) {
10391 VariantClass v = StringToVariant(gameInfo.event);
10392 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10393 if(v < VariantShogi) gameInfo.variant = v;
10396 if( appData.autoDisplayTags ) {
10397 tags = PGNTags(&gameInfo);
10398 TagsPopUp(tags, CmailMsg());
10403 /* Make something up, but don't display it now */
10408 if (cm == PositionDiagram) {
10411 Board initial_position;
10413 if (appData.debugMode)
10414 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10416 if (!startedFromSetupPosition) {
10418 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10419 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10429 initial_position[i][j++] = CharToPiece(*p);
10432 while (*p == ' ' || *p == '\t' ||
10433 *p == '\n' || *p == '\r') p++;
10435 if (strncmp(p, "black", strlen("black"))==0)
10436 blackPlaysFirst = TRUE;
10438 blackPlaysFirst = FALSE;
10439 startedFromSetupPosition = TRUE;
10441 CopyBoard(boards[0], initial_position);
10442 if (blackPlaysFirst) {
10443 currentMove = forwardMostMove = backwardMostMove = 1;
10444 CopyBoard(boards[1], initial_position);
10445 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10446 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10447 timeRemaining[0][1] = whiteTimeRemaining;
10448 timeRemaining[1][1] = blackTimeRemaining;
10449 if (commentList[0] != NULL) {
10450 commentList[1] = commentList[0];
10451 commentList[0] = NULL;
10454 currentMove = forwardMostMove = backwardMostMove = 0;
10457 yyboardindex = forwardMostMove;
10458 cm = (ChessMove) Myylex();
10461 if (first.pr == NoProc) {
10462 StartChessProgram(&first);
10464 InitChessProgram(&first, FALSE);
10465 SendToProgram("force\n", &first);
10466 if (startedFromSetupPosition) {
10467 SendBoard(&first, forwardMostMove);
10468 if (appData.debugMode) {
10469 fprintf(debugFP, "Load Game\n");
10471 DisplayBothClocks();
10474 /* [HGM] server: flag to write setup moves in broadcast file as one */
10475 loadFlag = appData.suppressLoadMoves;
10477 while (cm == Comment) {
10479 if (appData.debugMode)
10480 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10482 AppendComment(currentMove, p, FALSE);
10483 yyboardindex = forwardMostMove;
10484 cm = (ChessMove) Myylex();
10487 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10488 cm == WhiteWins || cm == BlackWins ||
10489 cm == GameIsDrawn || cm == GameUnfinished) {
10490 DisplayMessage("", _("No moves in game"));
10491 if (cmailMsgLoaded) {
10492 if (appData.debugMode)
10493 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10497 DrawPosition(FALSE, boards[currentMove]);
10498 DisplayBothClocks();
10499 gameMode = EditGame;
10506 // [HGM] PV info: routine tests if comment empty
10507 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10508 DisplayComment(currentMove - 1, commentList[currentMove]);
10510 if (!matchMode && appData.timeDelay != 0)
10511 DrawPosition(FALSE, boards[currentMove]);
10513 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10514 programStats.ok_to_send = 1;
10517 /* if the first token after the PGN tags is a move
10518 * and not move number 1, retrieve it from the parser
10520 if (cm != MoveNumberOne)
10521 LoadGameOneMove(cm);
10523 /* load the remaining moves from the file */
10524 while (LoadGameOneMove(EndOfFile)) {
10525 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10526 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10529 /* rewind to the start of the game */
10530 currentMove = backwardMostMove;
10532 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10534 if (oldGameMode == AnalyzeFile ||
10535 oldGameMode == AnalyzeMode) {
10536 AnalyzeFileEvent();
10539 if (matchMode || appData.timeDelay == 0) {
10541 gameMode = EditGame;
10543 } else if (appData.timeDelay > 0) {
10544 AutoPlayGameLoop();
10547 if (appData.debugMode)
10548 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10550 loadFlag = 0; /* [HGM] true game starts */
10554 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10556 ReloadPosition(offset)
10559 int positionNumber = lastLoadPositionNumber + offset;
10560 if (lastLoadPositionFP == NULL) {
10561 DisplayError(_("No position has been loaded yet"), 0);
10564 if (positionNumber <= 0) {
10565 DisplayError(_("Can't back up any further"), 0);
10568 return LoadPosition(lastLoadPositionFP, positionNumber,
10569 lastLoadPositionTitle);
10572 /* Load the nth position from the given file */
10574 LoadPositionFromFile(filename, n, title)
10582 if (strcmp(filename, "-") == 0) {
10583 return LoadPosition(stdin, n, "stdin");
10585 f = fopen(filename, "rb");
10587 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10588 DisplayError(buf, errno);
10591 return LoadPosition(f, n, title);
10596 /* Load the nth position from the given open file, and close it */
10598 LoadPosition(f, positionNumber, title)
10600 int positionNumber;
10603 char *p, line[MSG_SIZ];
10604 Board initial_position;
10605 int i, j, fenMode, pn;
10607 if (gameMode == Training )
10608 SetTrainingModeOff();
10610 if (gameMode != BeginningOfGame) {
10611 Reset(FALSE, TRUE);
10613 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10614 fclose(lastLoadPositionFP);
10616 if (positionNumber == 0) positionNumber = 1;
10617 lastLoadPositionFP = f;
10618 lastLoadPositionNumber = positionNumber;
10619 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10620 if (first.pr == NoProc) {
10621 StartChessProgram(&first);
10622 InitChessProgram(&first, FALSE);
10624 pn = positionNumber;
10625 if (positionNumber < 0) {
10626 /* Negative position number means to seek to that byte offset */
10627 if (fseek(f, -positionNumber, 0) == -1) {
10628 DisplayError(_("Can't seek on position file"), 0);
10633 if (fseek(f, 0, 0) == -1) {
10634 if (f == lastLoadPositionFP ?
10635 positionNumber == lastLoadPositionNumber + 1 :
10636 positionNumber == 1) {
10639 DisplayError(_("Can't seek on position file"), 0);
10644 /* See if this file is FEN or old-style xboard */
10645 if (fgets(line, MSG_SIZ, f) == NULL) {
10646 DisplayError(_("Position not found in file"), 0);
10649 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10650 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10653 if (fenMode || line[0] == '#') pn--;
10655 /* skip positions before number pn */
10656 if (fgets(line, MSG_SIZ, f) == NULL) {
10658 DisplayError(_("Position not found in file"), 0);
10661 if (fenMode || line[0] == '#') pn--;
10666 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10667 DisplayError(_("Bad FEN position in file"), 0);
10671 (void) fgets(line, MSG_SIZ, f);
10672 (void) fgets(line, MSG_SIZ, f);
10674 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10675 (void) fgets(line, MSG_SIZ, f);
10676 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10679 initial_position[i][j++] = CharToPiece(*p);
10683 blackPlaysFirst = FALSE;
10685 (void) fgets(line, MSG_SIZ, f);
10686 if (strncmp(line, "black", strlen("black"))==0)
10687 blackPlaysFirst = TRUE;
10690 startedFromSetupPosition = TRUE;
10692 SendToProgram("force\n", &first);
10693 CopyBoard(boards[0], initial_position);
10694 if (blackPlaysFirst) {
10695 currentMove = forwardMostMove = backwardMostMove = 1;
10696 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10697 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10698 CopyBoard(boards[1], initial_position);
10699 DisplayMessage("", _("Black to play"));
10701 currentMove = forwardMostMove = backwardMostMove = 0;
10702 DisplayMessage("", _("White to play"));
10704 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10705 SendBoard(&first, forwardMostMove);
10706 if (appData.debugMode) {
10708 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10709 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10710 fprintf(debugFP, "Load Position\n");
10713 if (positionNumber > 1) {
10714 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10715 DisplayTitle(line);
10717 DisplayTitle(title);
10719 gameMode = EditGame;
10722 timeRemaining[0][1] = whiteTimeRemaining;
10723 timeRemaining[1][1] = blackTimeRemaining;
10724 DrawPosition(FALSE, boards[currentMove]);
10731 CopyPlayerNameIntoFileName(dest, src)
10734 while (*src != NULLCHAR && *src != ',') {
10739 *(*dest)++ = *src++;
10744 char *DefaultFileName(ext)
10747 static char def[MSG_SIZ];
10750 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10752 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10754 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10756 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10763 /* Save the current game to the given file */
10765 SaveGameToFile(filename, append)
10772 if (strcmp(filename, "-") == 0) {
10773 return SaveGame(stdout, 0, NULL);
10775 f = fopen(filename, append ? "a" : "w");
10777 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10778 DisplayError(buf, errno);
10781 return SaveGame(f, 0, NULL);
10790 static char buf[MSG_SIZ];
10793 p = strchr(str, ' ');
10794 if (p == NULL) return str;
10795 strncpy(buf, str, p - str);
10796 buf[p - str] = NULLCHAR;
10800 #define PGN_MAX_LINE 75
10802 #define PGN_SIDE_WHITE 0
10803 #define PGN_SIDE_BLACK 1
10806 static int FindFirstMoveOutOfBook( int side )
10810 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10811 int index = backwardMostMove;
10812 int has_book_hit = 0;
10814 if( (index % 2) != side ) {
10818 while( index < forwardMostMove ) {
10819 /* Check to see if engine is in book */
10820 int depth = pvInfoList[index].depth;
10821 int score = pvInfoList[index].score;
10827 else if( score == 0 && depth == 63 ) {
10828 in_book = 1; /* Zappa */
10830 else if( score == 2 && depth == 99 ) {
10831 in_book = 1; /* Abrok */
10834 has_book_hit += in_book;
10850 void GetOutOfBookInfo( char * buf )
10854 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10856 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10857 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10861 if( oob[0] >= 0 || oob[1] >= 0 ) {
10862 for( i=0; i<2; i++ ) {
10866 if( i > 0 && oob[0] >= 0 ) {
10867 strcat( buf, " " );
10870 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10871 sprintf( buf+strlen(buf), "%s%.2f",
10872 pvInfoList[idx].score >= 0 ? "+" : "",
10873 pvInfoList[idx].score / 100.0 );
10879 /* Save game in PGN style and close the file */
10884 int i, offset, linelen, newblock;
10888 int movelen, numlen, blank;
10889 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10891 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10893 tm = time((time_t *) NULL);
10895 PrintPGNTags(f, &gameInfo);
10897 if (backwardMostMove > 0 || startedFromSetupPosition) {
10898 char *fen = PositionToFEN(backwardMostMove, NULL);
10899 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10900 fprintf(f, "\n{--------------\n");
10901 PrintPosition(f, backwardMostMove);
10902 fprintf(f, "--------------}\n");
10906 /* [AS] Out of book annotation */
10907 if( appData.saveOutOfBookInfo ) {
10910 GetOutOfBookInfo( buf );
10912 if( buf[0] != '\0' ) {
10913 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10920 i = backwardMostMove;
10924 while (i < forwardMostMove) {
10925 /* Print comments preceding this move */
10926 if (commentList[i] != NULL) {
10927 if (linelen > 0) fprintf(f, "\n");
10928 fprintf(f, "%s", commentList[i]);
10933 /* Format move number */
10935 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10938 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10940 numtext[0] = NULLCHAR;
10942 numlen = strlen(numtext);
10945 /* Print move number */
10946 blank = linelen > 0 && numlen > 0;
10947 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10956 fprintf(f, "%s", numtext);
10960 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10961 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10964 blank = linelen > 0 && movelen > 0;
10965 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10974 fprintf(f, "%s", move_buffer);
10975 linelen += movelen;
10977 /* [AS] Add PV info if present */
10978 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10979 /* [HGM] add time */
10980 char buf[MSG_SIZ]; int seconds;
10982 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
10988 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
10991 seconds = (seconds + 4)/10; // round to full seconds
10993 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
10995 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
10998 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
10999 pvInfoList[i].score >= 0 ? "+" : "",
11000 pvInfoList[i].score / 100.0,
11001 pvInfoList[i].depth,
11004 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11006 /* Print score/depth */
11007 blank = linelen > 0 && movelen > 0;
11008 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11017 fprintf(f, "%s", move_buffer);
11018 linelen += movelen;
11024 /* Start a new line */
11025 if (linelen > 0) fprintf(f, "\n");
11027 /* Print comments after last move */
11028 if (commentList[i] != NULL) {
11029 fprintf(f, "%s\n", commentList[i]);
11033 if (gameInfo.resultDetails != NULL &&
11034 gameInfo.resultDetails[0] != NULLCHAR) {
11035 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11036 PGNResult(gameInfo.result));
11038 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11042 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11046 /* Save game in old style and close the file */
11048 SaveGameOldStyle(f)
11054 tm = time((time_t *) NULL);
11056 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11059 if (backwardMostMove > 0 || startedFromSetupPosition) {
11060 fprintf(f, "\n[--------------\n");
11061 PrintPosition(f, backwardMostMove);
11062 fprintf(f, "--------------]\n");
11067 i = backwardMostMove;
11068 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11070 while (i < forwardMostMove) {
11071 if (commentList[i] != NULL) {
11072 fprintf(f, "[%s]\n", commentList[i]);
11075 if ((i % 2) == 1) {
11076 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11079 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11081 if (commentList[i] != NULL) {
11085 if (i >= forwardMostMove) {
11089 fprintf(f, "%s\n", parseList[i]);
11094 if (commentList[i] != NULL) {
11095 fprintf(f, "[%s]\n", commentList[i]);
11098 /* This isn't really the old style, but it's close enough */
11099 if (gameInfo.resultDetails != NULL &&
11100 gameInfo.resultDetails[0] != NULLCHAR) {
11101 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11102 gameInfo.resultDetails);
11104 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11111 /* Save the current game to open file f and close the file */
11113 SaveGame(f, dummy, dummy2)
11118 if (gameMode == EditPosition) EditPositionDone(TRUE);
11119 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11120 if (appData.oldSaveStyle)
11121 return SaveGameOldStyle(f);
11123 return SaveGamePGN(f);
11126 /* Save the current position to the given file */
11128 SavePositionToFile(filename)
11134 if (strcmp(filename, "-") == 0) {
11135 return SavePosition(stdout, 0, NULL);
11137 f = fopen(filename, "a");
11139 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11140 DisplayError(buf, errno);
11143 SavePosition(f, 0, NULL);
11149 /* Save the current position to the given open file and close the file */
11151 SavePosition(f, dummy, dummy2)
11159 if (gameMode == EditPosition) EditPositionDone(TRUE);
11160 if (appData.oldSaveStyle) {
11161 tm = time((time_t *) NULL);
11163 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11165 fprintf(f, "[--------------\n");
11166 PrintPosition(f, currentMove);
11167 fprintf(f, "--------------]\n");
11169 fen = PositionToFEN(currentMove, NULL);
11170 fprintf(f, "%s\n", fen);
11178 ReloadCmailMsgEvent(unregister)
11182 static char *inFilename = NULL;
11183 static char *outFilename;
11185 struct stat inbuf, outbuf;
11188 /* Any registered moves are unregistered if unregister is set, */
11189 /* i.e. invoked by the signal handler */
11191 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11192 cmailMoveRegistered[i] = FALSE;
11193 if (cmailCommentList[i] != NULL) {
11194 free(cmailCommentList[i]);
11195 cmailCommentList[i] = NULL;
11198 nCmailMovesRegistered = 0;
11201 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11202 cmailResult[i] = CMAIL_NOT_RESULT;
11206 if (inFilename == NULL) {
11207 /* Because the filenames are static they only get malloced once */
11208 /* and they never get freed */
11209 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11210 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11212 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11213 sprintf(outFilename, "%s.out", appData.cmailGameName);
11216 status = stat(outFilename, &outbuf);
11218 cmailMailedMove = FALSE;
11220 status = stat(inFilename, &inbuf);
11221 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11224 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11225 counts the games, notes how each one terminated, etc.
11227 It would be nice to remove this kludge and instead gather all
11228 the information while building the game list. (And to keep it
11229 in the game list nodes instead of having a bunch of fixed-size
11230 parallel arrays.) Note this will require getting each game's
11231 termination from the PGN tags, as the game list builder does
11232 not process the game moves. --mann
11234 cmailMsgLoaded = TRUE;
11235 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11237 /* Load first game in the file or popup game menu */
11238 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11240 #endif /* !WIN32 */
11248 char string[MSG_SIZ];
11250 if ( cmailMailedMove
11251 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11252 return TRUE; /* Allow free viewing */
11255 /* Unregister move to ensure that we don't leave RegisterMove */
11256 /* with the move registered when the conditions for registering no */
11258 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11259 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11260 nCmailMovesRegistered --;
11262 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11264 free(cmailCommentList[lastLoadGameNumber - 1]);
11265 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11269 if (cmailOldMove == -1) {
11270 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11274 if (currentMove > cmailOldMove + 1) {
11275 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11279 if (currentMove < cmailOldMove) {
11280 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11284 if (forwardMostMove > currentMove) {
11285 /* Silently truncate extra moves */
11289 if ( (currentMove == cmailOldMove + 1)
11290 || ( (currentMove == cmailOldMove)
11291 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11292 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11293 if (gameInfo.result != GameUnfinished) {
11294 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11297 if (commentList[currentMove] != NULL) {
11298 cmailCommentList[lastLoadGameNumber - 1]
11299 = StrSave(commentList[currentMove]);
11301 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11303 if (appData.debugMode)
11304 fprintf(debugFP, "Saving %s for game %d\n",
11305 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11307 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11309 f = fopen(string, "w");
11310 if (appData.oldSaveStyle) {
11311 SaveGameOldStyle(f); /* also closes the file */
11313 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11314 f = fopen(string, "w");
11315 SavePosition(f, 0, NULL); /* also closes the file */
11317 fprintf(f, "{--------------\n");
11318 PrintPosition(f, currentMove);
11319 fprintf(f, "--------------}\n\n");
11321 SaveGame(f, 0, NULL); /* also closes the file*/
11324 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11325 nCmailMovesRegistered ++;
11326 } else if (nCmailGames == 1) {
11327 DisplayError(_("You have not made a move yet"), 0);
11338 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11339 FILE *commandOutput;
11340 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11341 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11347 if (! cmailMsgLoaded) {
11348 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11352 if (nCmailGames == nCmailResults) {
11353 DisplayError(_("No unfinished games"), 0);
11357 #if CMAIL_PROHIBIT_REMAIL
11358 if (cmailMailedMove) {
11359 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);
11360 DisplayError(msg, 0);
11365 if (! (cmailMailedMove || RegisterMove())) return;
11367 if ( cmailMailedMove
11368 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11369 snprintf(string, MSG_SIZ, partCommandString,
11370 appData.debugMode ? " -v" : "", appData.cmailGameName);
11371 commandOutput = popen(string, "r");
11373 if (commandOutput == NULL) {
11374 DisplayError(_("Failed to invoke cmail"), 0);
11376 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11377 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11379 if (nBuffers > 1) {
11380 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11381 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11382 nBytes = MSG_SIZ - 1;
11384 (void) memcpy(msg, buffer, nBytes);
11386 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11388 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11389 cmailMailedMove = TRUE; /* Prevent >1 moves */
11392 for (i = 0; i < nCmailGames; i ++) {
11393 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11398 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11400 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11402 appData.cmailGameName,
11404 LoadGameFromFile(buffer, 1, buffer, FALSE);
11405 cmailMsgLoaded = FALSE;
11409 DisplayInformation(msg);
11410 pclose(commandOutput);
11413 if ((*cmailMsg) != '\0') {
11414 DisplayInformation(cmailMsg);
11419 #endif /* !WIN32 */
11428 int prependComma = 0;
11430 char string[MSG_SIZ]; /* Space for game-list */
11433 if (!cmailMsgLoaded) return "";
11435 if (cmailMailedMove) {
11436 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11438 /* Create a list of games left */
11439 snprintf(string, MSG_SIZ, "[");
11440 for (i = 0; i < nCmailGames; i ++) {
11441 if (! ( cmailMoveRegistered[i]
11442 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11443 if (prependComma) {
11444 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11446 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11450 strcat(string, number);
11453 strcat(string, "]");
11455 if (nCmailMovesRegistered + nCmailResults == 0) {
11456 switch (nCmailGames) {
11458 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11462 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11466 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11471 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11473 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11478 if (nCmailResults == nCmailGames) {
11479 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11481 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11486 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11498 if (gameMode == Training)
11499 SetTrainingModeOff();
11502 cmailMsgLoaded = FALSE;
11503 if (appData.icsActive) {
11504 SendToICS(ics_prefix);
11505 SendToICS("refresh\n");
11515 /* Give up on clean exit */
11519 /* Keep trying for clean exit */
11523 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11525 if (telnetISR != NULL) {
11526 RemoveInputSource(telnetISR);
11528 if (icsPR != NoProc) {
11529 DestroyChildProcess(icsPR, TRUE);
11532 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11533 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11535 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11536 /* make sure this other one finishes before killing it! */
11537 if(endingGame) { int count = 0;
11538 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11539 while(endingGame && count++ < 10) DoSleep(1);
11540 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11543 /* Kill off chess programs */
11544 if (first.pr != NoProc) {
11547 DoSleep( appData.delayBeforeQuit );
11548 SendToProgram("quit\n", &first);
11549 DoSleep( appData.delayAfterQuit );
11550 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11552 if (second.pr != NoProc) {
11553 DoSleep( appData.delayBeforeQuit );
11554 SendToProgram("quit\n", &second);
11555 DoSleep( appData.delayAfterQuit );
11556 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11558 if (first.isr != NULL) {
11559 RemoveInputSource(first.isr);
11561 if (second.isr != NULL) {
11562 RemoveInputSource(second.isr);
11565 ShutDownFrontEnd();
11572 if (appData.debugMode)
11573 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11577 if (gameMode == MachinePlaysWhite ||
11578 gameMode == MachinePlaysBlack) {
11581 DisplayBothClocks();
11583 if (gameMode == PlayFromGameFile) {
11584 if (appData.timeDelay >= 0)
11585 AutoPlayGameLoop();
11586 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11587 Reset(FALSE, TRUE);
11588 SendToICS(ics_prefix);
11589 SendToICS("refresh\n");
11590 } else if (currentMove < forwardMostMove) {
11591 ForwardInner(forwardMostMove);
11593 pauseExamInvalid = FALSE;
11595 switch (gameMode) {
11599 pauseExamForwardMostMove = forwardMostMove;
11600 pauseExamInvalid = FALSE;
11603 case IcsPlayingWhite:
11604 case IcsPlayingBlack:
11608 case PlayFromGameFile:
11609 (void) StopLoadGameTimer();
11613 case BeginningOfGame:
11614 if (appData.icsActive) return;
11615 /* else fall through */
11616 case MachinePlaysWhite:
11617 case MachinePlaysBlack:
11618 case TwoMachinesPlay:
11619 if (forwardMostMove == 0)
11620 return; /* don't pause if no one has moved */
11621 if ((gameMode == MachinePlaysWhite &&
11622 !WhiteOnMove(forwardMostMove)) ||
11623 (gameMode == MachinePlaysBlack &&
11624 WhiteOnMove(forwardMostMove))) {
11637 char title[MSG_SIZ];
11639 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11640 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11642 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11643 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11644 parseList[currentMove - 1]);
11647 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11654 char *tags = PGNTags(&gameInfo);
11655 EditTagsPopUp(tags, NULL);
11662 if (appData.noChessProgram || gameMode == AnalyzeMode)
11665 if (gameMode != AnalyzeFile) {
11666 if (!appData.icsEngineAnalyze) {
11668 if (gameMode != EditGame) return;
11670 ResurrectChessProgram();
11671 SendToProgram("analyze\n", &first);
11672 first.analyzing = TRUE;
11673 /*first.maybeThinking = TRUE;*/
11674 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11675 EngineOutputPopUp();
11677 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11682 StartAnalysisClock();
11683 GetTimeMark(&lastNodeCountTime);
11690 if (appData.noChessProgram || gameMode == AnalyzeFile)
11693 if (gameMode != AnalyzeMode) {
11695 if (gameMode != EditGame) return;
11696 ResurrectChessProgram();
11697 SendToProgram("analyze\n", &first);
11698 first.analyzing = TRUE;
11699 /*first.maybeThinking = TRUE;*/
11700 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11701 EngineOutputPopUp();
11703 gameMode = AnalyzeFile;
11708 StartAnalysisClock();
11709 GetTimeMark(&lastNodeCountTime);
11714 MachineWhiteEvent()
11717 char *bookHit = NULL;
11719 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11723 if (gameMode == PlayFromGameFile ||
11724 gameMode == TwoMachinesPlay ||
11725 gameMode == Training ||
11726 gameMode == AnalyzeMode ||
11727 gameMode == EndOfGame)
11730 if (gameMode == EditPosition)
11731 EditPositionDone(TRUE);
11733 if (!WhiteOnMove(currentMove)) {
11734 DisplayError(_("It is not White's turn"), 0);
11738 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11741 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11742 gameMode == AnalyzeFile)
11745 ResurrectChessProgram(); /* in case it isn't running */
11746 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11747 gameMode = MachinePlaysWhite;
11750 gameMode = MachinePlaysWhite;
11754 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11756 if (first.sendName) {
11757 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11758 SendToProgram(buf, &first);
11760 if (first.sendTime) {
11761 if (first.useColors) {
11762 SendToProgram("black\n", &first); /*gnu kludge*/
11764 SendTimeRemaining(&first, TRUE);
11766 if (first.useColors) {
11767 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11769 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11770 SetMachineThinkingEnables();
11771 first.maybeThinking = TRUE;
11775 if (appData.autoFlipView && !flipView) {
11776 flipView = !flipView;
11777 DrawPosition(FALSE, NULL);
11778 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11781 if(bookHit) { // [HGM] book: simulate book reply
11782 static char bookMove[MSG_SIZ]; // a bit generous?
11784 programStats.nodes = programStats.depth = programStats.time =
11785 programStats.score = programStats.got_only_move = 0;
11786 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11788 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11789 strcat(bookMove, bookHit);
11790 HandleMachineMove(bookMove, &first);
11795 MachineBlackEvent()
11798 char *bookHit = NULL;
11800 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11804 if (gameMode == PlayFromGameFile ||
11805 gameMode == TwoMachinesPlay ||
11806 gameMode == Training ||
11807 gameMode == AnalyzeMode ||
11808 gameMode == EndOfGame)
11811 if (gameMode == EditPosition)
11812 EditPositionDone(TRUE);
11814 if (WhiteOnMove(currentMove)) {
11815 DisplayError(_("It is not Black's turn"), 0);
11819 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11822 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11823 gameMode == AnalyzeFile)
11826 ResurrectChessProgram(); /* in case it isn't running */
11827 gameMode = MachinePlaysBlack;
11831 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11833 if (first.sendName) {
11834 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11835 SendToProgram(buf, &first);
11837 if (first.sendTime) {
11838 if (first.useColors) {
11839 SendToProgram("white\n", &first); /*gnu kludge*/
11841 SendTimeRemaining(&first, FALSE);
11843 if (first.useColors) {
11844 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11846 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11847 SetMachineThinkingEnables();
11848 first.maybeThinking = TRUE;
11851 if (appData.autoFlipView && flipView) {
11852 flipView = !flipView;
11853 DrawPosition(FALSE, NULL);
11854 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11856 if(bookHit) { // [HGM] book: simulate book reply
11857 static char bookMove[MSG_SIZ]; // a bit generous?
11859 programStats.nodes = programStats.depth = programStats.time =
11860 programStats.score = programStats.got_only_move = 0;
11861 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11863 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11864 strcat(bookMove, bookHit);
11865 HandleMachineMove(bookMove, &first);
11871 DisplayTwoMachinesTitle()
11874 if (appData.matchGames > 0) {
11875 if (first.twoMachinesColor[0] == 'w') {
11876 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11877 gameInfo.white, gameInfo.black,
11878 first.matchWins, second.matchWins,
11879 matchGame - 1 - (first.matchWins + second.matchWins));
11881 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11882 gameInfo.white, gameInfo.black,
11883 second.matchWins, first.matchWins,
11884 matchGame - 1 - (first.matchWins + second.matchWins));
11887 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11893 SettingsMenuIfReady()
11895 if (second.lastPing != second.lastPong) {
11896 DisplayMessage("", _("Waiting for second chess program"));
11897 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11901 DisplayMessage("", "");
11902 SettingsPopUp(&second);
11906 WaitForSecond(DelayedEventCallback retry)
11908 if (second.pr == NULL) {
11909 StartChessProgram(&second);
11910 if (second.protocolVersion == 1) {
11913 /* kludge: allow timeout for initial "feature" command */
11915 DisplayMessage("", _("Starting second chess program"));
11916 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11924 TwoMachinesEvent P((void))
11928 ChessProgramState *onmove;
11929 char *bookHit = NULL;
11931 if (appData.noChessProgram) return;
11933 switch (gameMode) {
11934 case TwoMachinesPlay:
11936 case MachinePlaysWhite:
11937 case MachinePlaysBlack:
11938 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11939 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11943 case BeginningOfGame:
11944 case PlayFromGameFile:
11947 if (gameMode != EditGame) return;
11950 EditPositionDone(TRUE);
11961 // forwardMostMove = currentMove;
11962 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11963 ResurrectChessProgram(); /* in case first program isn't running */
11965 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11966 DisplayMessage("", "");
11967 InitChessProgram(&second, FALSE);
11968 SendToProgram("force\n", &second);
11969 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11970 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11973 if (startedFromSetupPosition) {
11974 SendBoard(&second, backwardMostMove);
11975 if (appData.debugMode) {
11976 fprintf(debugFP, "Two Machines\n");
11979 for (i = backwardMostMove; i < forwardMostMove; i++) {
11980 SendMoveToProgram(i, &second);
11983 gameMode = TwoMachinesPlay;
11987 DisplayTwoMachinesTitle();
11989 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
11995 SendToProgram(first.computerString, &first);
11996 if (first.sendName) {
11997 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
11998 SendToProgram(buf, &first);
12000 SendToProgram(second.computerString, &second);
12001 if (second.sendName) {
12002 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12003 SendToProgram(buf, &second);
12007 if (!first.sendTime || !second.sendTime) {
12008 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12009 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12011 if (onmove->sendTime) {
12012 if (onmove->useColors) {
12013 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12015 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12017 if (onmove->useColors) {
12018 SendToProgram(onmove->twoMachinesColor, onmove);
12020 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12021 // SendToProgram("go\n", onmove);
12022 onmove->maybeThinking = TRUE;
12023 SetMachineThinkingEnables();
12027 if(bookHit) { // [HGM] book: simulate book reply
12028 static char bookMove[MSG_SIZ]; // a bit generous?
12030 programStats.nodes = programStats.depth = programStats.time =
12031 programStats.score = programStats.got_only_move = 0;
12032 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12034 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12035 strcat(bookMove, bookHit);
12036 savedMessage = bookMove; // args for deferred call
12037 savedState = onmove;
12038 ScheduleDelayedEvent(DeferredBookMove, 1);
12045 if (gameMode == Training) {
12046 SetTrainingModeOff();
12047 gameMode = PlayFromGameFile;
12048 DisplayMessage("", _("Training mode off"));
12050 gameMode = Training;
12051 animateTraining = appData.animate;
12053 /* make sure we are not already at the end of the game */
12054 if (currentMove < forwardMostMove) {
12055 SetTrainingModeOn();
12056 DisplayMessage("", _("Training mode on"));
12058 gameMode = PlayFromGameFile;
12059 DisplayError(_("Already at end of game"), 0);
12068 if (!appData.icsActive) return;
12069 switch (gameMode) {
12070 case IcsPlayingWhite:
12071 case IcsPlayingBlack:
12074 case BeginningOfGame:
12082 EditPositionDone(TRUE);
12095 gameMode = IcsIdle;
12106 switch (gameMode) {
12108 SetTrainingModeOff();
12110 case MachinePlaysWhite:
12111 case MachinePlaysBlack:
12112 case BeginningOfGame:
12113 SendToProgram("force\n", &first);
12114 SetUserThinkingEnables();
12116 case PlayFromGameFile:
12117 (void) StopLoadGameTimer();
12118 if (gameFileFP != NULL) {
12123 EditPositionDone(TRUE);
12128 SendToProgram("force\n", &first);
12130 case TwoMachinesPlay:
12131 GameEnds(EndOfFile, NULL, GE_PLAYER);
12132 ResurrectChessProgram();
12133 SetUserThinkingEnables();
12136 ResurrectChessProgram();
12138 case IcsPlayingBlack:
12139 case IcsPlayingWhite:
12140 DisplayError(_("Warning: You are still playing a game"), 0);
12143 DisplayError(_("Warning: You are still observing a game"), 0);
12146 DisplayError(_("Warning: You are still examining a game"), 0);
12157 first.offeredDraw = second.offeredDraw = 0;
12159 if (gameMode == PlayFromGameFile) {
12160 whiteTimeRemaining = timeRemaining[0][currentMove];
12161 blackTimeRemaining = timeRemaining[1][currentMove];
12165 if (gameMode == MachinePlaysWhite ||
12166 gameMode == MachinePlaysBlack ||
12167 gameMode == TwoMachinesPlay ||
12168 gameMode == EndOfGame) {
12169 i = forwardMostMove;
12170 while (i > currentMove) {
12171 SendToProgram("undo\n", &first);
12174 whiteTimeRemaining = timeRemaining[0][currentMove];
12175 blackTimeRemaining = timeRemaining[1][currentMove];
12176 DisplayBothClocks();
12177 if (whiteFlag || blackFlag) {
12178 whiteFlag = blackFlag = 0;
12183 gameMode = EditGame;
12190 EditPositionEvent()
12192 if (gameMode == EditPosition) {
12198 if (gameMode != EditGame) return;
12200 gameMode = EditPosition;
12203 if (currentMove > 0)
12204 CopyBoard(boards[0], boards[currentMove]);
12206 blackPlaysFirst = !WhiteOnMove(currentMove);
12208 currentMove = forwardMostMove = backwardMostMove = 0;
12209 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12216 /* [DM] icsEngineAnalyze - possible call from other functions */
12217 if (appData.icsEngineAnalyze) {
12218 appData.icsEngineAnalyze = FALSE;
12220 DisplayMessage("",_("Close ICS engine analyze..."));
12222 if (first.analysisSupport && first.analyzing) {
12223 SendToProgram("exit\n", &first);
12224 first.analyzing = FALSE;
12226 thinkOutput[0] = NULLCHAR;
12230 EditPositionDone(Boolean fakeRights)
12232 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12234 startedFromSetupPosition = TRUE;
12235 InitChessProgram(&first, FALSE);
12236 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12237 boards[0][EP_STATUS] = EP_NONE;
12238 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12239 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12240 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12241 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12242 } else boards[0][CASTLING][2] = NoRights;
12243 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12244 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12245 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12246 } else boards[0][CASTLING][5] = NoRights;
12248 SendToProgram("force\n", &first);
12249 if (blackPlaysFirst) {
12250 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12251 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12252 currentMove = forwardMostMove = backwardMostMove = 1;
12253 CopyBoard(boards[1], boards[0]);
12255 currentMove = forwardMostMove = backwardMostMove = 0;
12257 SendBoard(&first, forwardMostMove);
12258 if (appData.debugMode) {
12259 fprintf(debugFP, "EditPosDone\n");
12262 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12263 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12264 gameMode = EditGame;
12266 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12267 ClearHighlights(); /* [AS] */
12270 /* Pause for `ms' milliseconds */
12271 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12281 } while (SubtractTimeMarks(&m2, &m1) < ms);
12284 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12286 SendMultiLineToICS(buf)
12289 char temp[MSG_SIZ+1], *p;
12296 strncpy(temp, buf, len);
12301 if (*p == '\n' || *p == '\r')
12306 strcat(temp, "\n");
12308 SendToPlayer(temp, strlen(temp));
12312 SetWhiteToPlayEvent()
12314 if (gameMode == EditPosition) {
12315 blackPlaysFirst = FALSE;
12316 DisplayBothClocks(); /* works because currentMove is 0 */
12317 } else if (gameMode == IcsExamining) {
12318 SendToICS(ics_prefix);
12319 SendToICS("tomove white\n");
12324 SetBlackToPlayEvent()
12326 if (gameMode == EditPosition) {
12327 blackPlaysFirst = TRUE;
12328 currentMove = 1; /* kludge */
12329 DisplayBothClocks();
12331 } else if (gameMode == IcsExamining) {
12332 SendToICS(ics_prefix);
12333 SendToICS("tomove black\n");
12338 EditPositionMenuEvent(selection, x, y)
12339 ChessSquare selection;
12343 ChessSquare piece = boards[0][y][x];
12345 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12347 switch (selection) {
12349 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12350 SendToICS(ics_prefix);
12351 SendToICS("bsetup clear\n");
12352 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12353 SendToICS(ics_prefix);
12354 SendToICS("clearboard\n");
12356 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12357 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12358 for (y = 0; y < BOARD_HEIGHT; y++) {
12359 if (gameMode == IcsExamining) {
12360 if (boards[currentMove][y][x] != EmptySquare) {
12361 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12366 boards[0][y][x] = p;
12371 if (gameMode == EditPosition) {
12372 DrawPosition(FALSE, boards[0]);
12377 SetWhiteToPlayEvent();
12381 SetBlackToPlayEvent();
12385 if (gameMode == IcsExamining) {
12386 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12387 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12390 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12391 if(x == BOARD_LEFT-2) {
12392 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12393 boards[0][y][1] = 0;
12395 if(x == BOARD_RGHT+1) {
12396 if(y >= gameInfo.holdingsSize) break;
12397 boards[0][y][BOARD_WIDTH-2] = 0;
12400 boards[0][y][x] = EmptySquare;
12401 DrawPosition(FALSE, boards[0]);
12406 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12407 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12408 selection = (ChessSquare) (PROMOTED piece);
12409 } else if(piece == EmptySquare) selection = WhiteSilver;
12410 else selection = (ChessSquare)((int)piece - 1);
12414 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12415 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12416 selection = (ChessSquare) (DEMOTED piece);
12417 } else if(piece == EmptySquare) selection = BlackSilver;
12418 else selection = (ChessSquare)((int)piece + 1);
12423 if(gameInfo.variant == VariantShatranj ||
12424 gameInfo.variant == VariantXiangqi ||
12425 gameInfo.variant == VariantCourier ||
12426 gameInfo.variant == VariantMakruk )
12427 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12432 if(gameInfo.variant == VariantXiangqi)
12433 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12434 if(gameInfo.variant == VariantKnightmate)
12435 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12438 if (gameMode == IcsExamining) {
12439 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12440 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12441 PieceToChar(selection), AAA + x, ONE + y);
12444 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12446 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12447 n = PieceToNumber(selection - BlackPawn);
12448 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12449 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12450 boards[0][BOARD_HEIGHT-1-n][1]++;
12452 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12453 n = PieceToNumber(selection);
12454 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12455 boards[0][n][BOARD_WIDTH-1] = selection;
12456 boards[0][n][BOARD_WIDTH-2]++;
12459 boards[0][y][x] = selection;
12460 DrawPosition(TRUE, boards[0]);
12468 DropMenuEvent(selection, x, y)
12469 ChessSquare selection;
12472 ChessMove moveType;
12474 switch (gameMode) {
12475 case IcsPlayingWhite:
12476 case MachinePlaysBlack:
12477 if (!WhiteOnMove(currentMove)) {
12478 DisplayMoveError(_("It is Black's turn"));
12481 moveType = WhiteDrop;
12483 case IcsPlayingBlack:
12484 case MachinePlaysWhite:
12485 if (WhiteOnMove(currentMove)) {
12486 DisplayMoveError(_("It is White's turn"));
12489 moveType = BlackDrop;
12492 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12498 if (moveType == BlackDrop && selection < BlackPawn) {
12499 selection = (ChessSquare) ((int) selection
12500 + (int) BlackPawn - (int) WhitePawn);
12502 if (boards[currentMove][y][x] != EmptySquare) {
12503 DisplayMoveError(_("That square is occupied"));
12507 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12513 /* Accept a pending offer of any kind from opponent */
12515 if (appData.icsActive) {
12516 SendToICS(ics_prefix);
12517 SendToICS("accept\n");
12518 } else if (cmailMsgLoaded) {
12519 if (currentMove == cmailOldMove &&
12520 commentList[cmailOldMove] != NULL &&
12521 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12522 "Black offers a draw" : "White offers a draw")) {
12524 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12525 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12527 DisplayError(_("There is no pending offer on this move"), 0);
12528 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12531 /* Not used for offers from chess program */
12538 /* Decline a pending offer of any kind from opponent */
12540 if (appData.icsActive) {
12541 SendToICS(ics_prefix);
12542 SendToICS("decline\n");
12543 } else if (cmailMsgLoaded) {
12544 if (currentMove == cmailOldMove &&
12545 commentList[cmailOldMove] != NULL &&
12546 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12547 "Black offers a draw" : "White offers a draw")) {
12549 AppendComment(cmailOldMove, "Draw declined", TRUE);
12550 DisplayComment(cmailOldMove - 1, "Draw declined");
12553 DisplayError(_("There is no pending offer on this move"), 0);
12556 /* Not used for offers from chess program */
12563 /* Issue ICS rematch command */
12564 if (appData.icsActive) {
12565 SendToICS(ics_prefix);
12566 SendToICS("rematch\n");
12573 /* Call your opponent's flag (claim a win on time) */
12574 if (appData.icsActive) {
12575 SendToICS(ics_prefix);
12576 SendToICS("flag\n");
12578 switch (gameMode) {
12581 case MachinePlaysWhite:
12584 GameEnds(GameIsDrawn, "Both players ran out of time",
12587 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12589 DisplayError(_("Your opponent is not out of time"), 0);
12592 case MachinePlaysBlack:
12595 GameEnds(GameIsDrawn, "Both players ran out of time",
12598 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12600 DisplayError(_("Your opponent is not out of time"), 0);
12608 ClockClick(int which)
12609 { // [HGM] code moved to back-end from winboard.c
12610 if(which) { // black clock
12611 if (gameMode == EditPosition || gameMode == IcsExamining) {
12612 SetBlackToPlayEvent();
12613 } else if (gameMode == EditGame || shiftKey) {
12614 AdjustClock(which, -1);
12615 } else if (gameMode == IcsPlayingWhite ||
12616 gameMode == MachinePlaysBlack) {
12619 } else { // white clock
12620 if (gameMode == EditPosition || gameMode == IcsExamining) {
12621 SetWhiteToPlayEvent();
12622 } else if (gameMode == EditGame || shiftKey) {
12623 AdjustClock(which, -1);
12624 } else if (gameMode == IcsPlayingBlack ||
12625 gameMode == MachinePlaysWhite) {
12634 /* Offer draw or accept pending draw offer from opponent */
12636 if (appData.icsActive) {
12637 /* Note: tournament rules require draw offers to be
12638 made after you make your move but before you punch
12639 your clock. Currently ICS doesn't let you do that;
12640 instead, you immediately punch your clock after making
12641 a move, but you can offer a draw at any time. */
12643 SendToICS(ics_prefix);
12644 SendToICS("draw\n");
12645 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12646 } else if (cmailMsgLoaded) {
12647 if (currentMove == cmailOldMove &&
12648 commentList[cmailOldMove] != NULL &&
12649 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12650 "Black offers a draw" : "White offers a draw")) {
12651 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12652 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12653 } else if (currentMove == cmailOldMove + 1) {
12654 char *offer = WhiteOnMove(cmailOldMove) ?
12655 "White offers a draw" : "Black offers a draw";
12656 AppendComment(currentMove, offer, TRUE);
12657 DisplayComment(currentMove - 1, offer);
12658 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12660 DisplayError(_("You must make your move before offering a draw"), 0);
12661 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12663 } else if (first.offeredDraw) {
12664 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12666 if (first.sendDrawOffers) {
12667 SendToProgram("draw\n", &first);
12668 userOfferedDraw = TRUE;
12676 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12678 if (appData.icsActive) {
12679 SendToICS(ics_prefix);
12680 SendToICS("adjourn\n");
12682 /* Currently GNU Chess doesn't offer or accept Adjourns */
12690 /* Offer Abort or accept pending Abort offer from opponent */
12692 if (appData.icsActive) {
12693 SendToICS(ics_prefix);
12694 SendToICS("abort\n");
12696 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12703 /* Resign. You can do this even if it's not your turn. */
12705 if (appData.icsActive) {
12706 SendToICS(ics_prefix);
12707 SendToICS("resign\n");
12709 switch (gameMode) {
12710 case MachinePlaysWhite:
12711 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12713 case MachinePlaysBlack:
12714 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12717 if (cmailMsgLoaded) {
12719 if (WhiteOnMove(cmailOldMove)) {
12720 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12722 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12724 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12735 StopObservingEvent()
12737 /* Stop observing current games */
12738 SendToICS(ics_prefix);
12739 SendToICS("unobserve\n");
12743 StopExaminingEvent()
12745 /* Stop observing current game */
12746 SendToICS(ics_prefix);
12747 SendToICS("unexamine\n");
12751 ForwardInner(target)
12756 if (appData.debugMode)
12757 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12758 target, currentMove, forwardMostMove);
12760 if (gameMode == EditPosition)
12763 if (gameMode == PlayFromGameFile && !pausing)
12766 if (gameMode == IcsExamining && pausing)
12767 limit = pauseExamForwardMostMove;
12769 limit = forwardMostMove;
12771 if (target > limit) target = limit;
12773 if (target > 0 && moveList[target - 1][0]) {
12774 int fromX, fromY, toX, toY;
12775 toX = moveList[target - 1][2] - AAA;
12776 toY = moveList[target - 1][3] - ONE;
12777 if (moveList[target - 1][1] == '@') {
12778 if (appData.highlightLastMove) {
12779 SetHighlights(-1, -1, toX, toY);
12782 fromX = moveList[target - 1][0] - AAA;
12783 fromY = moveList[target - 1][1] - ONE;
12784 if (target == currentMove + 1) {
12785 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12787 if (appData.highlightLastMove) {
12788 SetHighlights(fromX, fromY, toX, toY);
12792 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12793 gameMode == Training || gameMode == PlayFromGameFile ||
12794 gameMode == AnalyzeFile) {
12795 while (currentMove < target) {
12796 SendMoveToProgram(currentMove++, &first);
12799 currentMove = target;
12802 if (gameMode == EditGame || gameMode == EndOfGame) {
12803 whiteTimeRemaining = timeRemaining[0][currentMove];
12804 blackTimeRemaining = timeRemaining[1][currentMove];
12806 DisplayBothClocks();
12807 DisplayMove(currentMove - 1);
12808 DrawPosition(FALSE, boards[currentMove]);
12809 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12810 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12811 DisplayComment(currentMove - 1, commentList[currentMove]);
12819 if (gameMode == IcsExamining && !pausing) {
12820 SendToICS(ics_prefix);
12821 SendToICS("forward\n");
12823 ForwardInner(currentMove + 1);
12830 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12831 /* to optimze, we temporarily turn off analysis mode while we feed
12832 * the remaining moves to the engine. Otherwise we get analysis output
12835 if (first.analysisSupport) {
12836 SendToProgram("exit\nforce\n", &first);
12837 first.analyzing = FALSE;
12841 if (gameMode == IcsExamining && !pausing) {
12842 SendToICS(ics_prefix);
12843 SendToICS("forward 999999\n");
12845 ForwardInner(forwardMostMove);
12848 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12849 /* we have fed all the moves, so reactivate analysis mode */
12850 SendToProgram("analyze\n", &first);
12851 first.analyzing = TRUE;
12852 /*first.maybeThinking = TRUE;*/
12853 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12858 BackwardInner(target)
12861 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12863 if (appData.debugMode)
12864 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12865 target, currentMove, forwardMostMove);
12867 if (gameMode == EditPosition) return;
12868 if (currentMove <= backwardMostMove) {
12870 DrawPosition(full_redraw, boards[currentMove]);
12873 if (gameMode == PlayFromGameFile && !pausing)
12876 if (moveList[target][0]) {
12877 int fromX, fromY, toX, toY;
12878 toX = moveList[target][2] - AAA;
12879 toY = moveList[target][3] - ONE;
12880 if (moveList[target][1] == '@') {
12881 if (appData.highlightLastMove) {
12882 SetHighlights(-1, -1, toX, toY);
12885 fromX = moveList[target][0] - AAA;
12886 fromY = moveList[target][1] - ONE;
12887 if (target == currentMove - 1) {
12888 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12890 if (appData.highlightLastMove) {
12891 SetHighlights(fromX, fromY, toX, toY);
12895 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12896 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12897 while (currentMove > target) {
12898 SendToProgram("undo\n", &first);
12902 currentMove = target;
12905 if (gameMode == EditGame || gameMode == EndOfGame) {
12906 whiteTimeRemaining = timeRemaining[0][currentMove];
12907 blackTimeRemaining = timeRemaining[1][currentMove];
12909 DisplayBothClocks();
12910 DisplayMove(currentMove - 1);
12911 DrawPosition(full_redraw, boards[currentMove]);
12912 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12913 // [HGM] PV info: routine tests if comment empty
12914 DisplayComment(currentMove - 1, commentList[currentMove]);
12920 if (gameMode == IcsExamining && !pausing) {
12921 SendToICS(ics_prefix);
12922 SendToICS("backward\n");
12924 BackwardInner(currentMove - 1);
12931 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12932 /* to optimize, we temporarily turn off analysis mode while we undo
12933 * all the moves. Otherwise we get analysis output after each undo.
12935 if (first.analysisSupport) {
12936 SendToProgram("exit\nforce\n", &first);
12937 first.analyzing = FALSE;
12941 if (gameMode == IcsExamining && !pausing) {
12942 SendToICS(ics_prefix);
12943 SendToICS("backward 999999\n");
12945 BackwardInner(backwardMostMove);
12948 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12949 /* we have fed all the moves, so reactivate analysis mode */
12950 SendToProgram("analyze\n", &first);
12951 first.analyzing = TRUE;
12952 /*first.maybeThinking = TRUE;*/
12953 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12960 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12961 if (to >= forwardMostMove) to = forwardMostMove;
12962 if (to <= backwardMostMove) to = backwardMostMove;
12963 if (to < currentMove) {
12971 RevertEvent(Boolean annotate)
12973 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12976 if (gameMode != IcsExamining) {
12977 DisplayError(_("You are not examining a game"), 0);
12981 DisplayError(_("You can't revert while pausing"), 0);
12984 SendToICS(ics_prefix);
12985 SendToICS("revert\n");
12991 switch (gameMode) {
12992 case MachinePlaysWhite:
12993 case MachinePlaysBlack:
12994 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12995 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12998 if (forwardMostMove < 2) return;
12999 currentMove = forwardMostMove = forwardMostMove - 2;
13000 whiteTimeRemaining = timeRemaining[0][currentMove];
13001 blackTimeRemaining = timeRemaining[1][currentMove];
13002 DisplayBothClocks();
13003 DisplayMove(currentMove - 1);
13004 ClearHighlights();/*!! could figure this out*/
13005 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
13006 SendToProgram("remove\n", &first);
13007 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13010 case BeginningOfGame:
13014 case IcsPlayingWhite:
13015 case IcsPlayingBlack:
13016 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13017 SendToICS(ics_prefix);
13018 SendToICS("takeback 2\n");
13020 SendToICS(ics_prefix);
13021 SendToICS("takeback 1\n");
13030 ChessProgramState *cps;
13032 switch (gameMode) {
13033 case MachinePlaysWhite:
13034 if (!WhiteOnMove(forwardMostMove)) {
13035 DisplayError(_("It is your turn"), 0);
13040 case MachinePlaysBlack:
13041 if (WhiteOnMove(forwardMostMove)) {
13042 DisplayError(_("It is your turn"), 0);
13047 case TwoMachinesPlay:
13048 if (WhiteOnMove(forwardMostMove) ==
13049 (first.twoMachinesColor[0] == 'w')) {
13055 case BeginningOfGame:
13059 SendToProgram("?\n", cps);
13063 TruncateGameEvent()
13066 if (gameMode != EditGame) return;
13073 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13074 if (forwardMostMove > currentMove) {
13075 if (gameInfo.resultDetails != NULL) {
13076 free(gameInfo.resultDetails);
13077 gameInfo.resultDetails = NULL;
13078 gameInfo.result = GameUnfinished;
13080 forwardMostMove = currentMove;
13081 HistorySet(parseList, backwardMostMove, forwardMostMove,
13089 if (appData.noChessProgram) return;
13090 switch (gameMode) {
13091 case MachinePlaysWhite:
13092 if (WhiteOnMove(forwardMostMove)) {
13093 DisplayError(_("Wait until your turn"), 0);
13097 case BeginningOfGame:
13098 case MachinePlaysBlack:
13099 if (!WhiteOnMove(forwardMostMove)) {
13100 DisplayError(_("Wait until your turn"), 0);
13105 DisplayError(_("No hint available"), 0);
13108 SendToProgram("hint\n", &first);
13109 hintRequested = TRUE;
13115 if (appData.noChessProgram) return;
13116 switch (gameMode) {
13117 case MachinePlaysWhite:
13118 if (WhiteOnMove(forwardMostMove)) {
13119 DisplayError(_("Wait until your turn"), 0);
13123 case BeginningOfGame:
13124 case MachinePlaysBlack:
13125 if (!WhiteOnMove(forwardMostMove)) {
13126 DisplayError(_("Wait until your turn"), 0);
13131 EditPositionDone(TRUE);
13133 case TwoMachinesPlay:
13138 SendToProgram("bk\n", &first);
13139 bookOutput[0] = NULLCHAR;
13140 bookRequested = TRUE;
13146 char *tags = PGNTags(&gameInfo);
13147 TagsPopUp(tags, CmailMsg());
13151 /* end button procedures */
13154 PrintPosition(fp, move)
13160 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13161 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13162 char c = PieceToChar(boards[move][i][j]);
13163 fputc(c == 'x' ? '.' : c, fp);
13164 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13167 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13168 fprintf(fp, "white to play\n");
13170 fprintf(fp, "black to play\n");
13177 if (gameInfo.white != NULL) {
13178 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13184 /* Find last component of program's own name, using some heuristics */
13186 TidyProgramName(prog, host, buf)
13187 char *prog, *host, buf[MSG_SIZ];
13190 int local = (strcmp(host, "localhost") == 0);
13191 while (!local && (p = strchr(prog, ';')) != NULL) {
13193 while (*p == ' ') p++;
13196 if (*prog == '"' || *prog == '\'') {
13197 q = strchr(prog + 1, *prog);
13199 q = strchr(prog, ' ');
13201 if (q == NULL) q = prog + strlen(prog);
13203 while (p >= prog && *p != '/' && *p != '\\') p--;
13205 if(p == prog && *p == '"') p++;
13206 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13207 memcpy(buf, p, q - p);
13208 buf[q - p] = NULLCHAR;
13216 TimeControlTagValue()
13219 if (!appData.clockMode) {
13220 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13221 } else if (movesPerSession > 0) {
13222 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13223 } else if (timeIncrement == 0) {
13224 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13226 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13228 return StrSave(buf);
13234 /* This routine is used only for certain modes */
13235 VariantClass v = gameInfo.variant;
13236 ChessMove r = GameUnfinished;
13239 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13240 r = gameInfo.result;
13241 p = gameInfo.resultDetails;
13242 gameInfo.resultDetails = NULL;
13244 ClearGameInfo(&gameInfo);
13245 gameInfo.variant = v;
13247 switch (gameMode) {
13248 case MachinePlaysWhite:
13249 gameInfo.event = StrSave( appData.pgnEventHeader );
13250 gameInfo.site = StrSave(HostName());
13251 gameInfo.date = PGNDate();
13252 gameInfo.round = StrSave("-");
13253 gameInfo.white = StrSave(first.tidy);
13254 gameInfo.black = StrSave(UserName());
13255 gameInfo.timeControl = TimeControlTagValue();
13258 case MachinePlaysBlack:
13259 gameInfo.event = StrSave( appData.pgnEventHeader );
13260 gameInfo.site = StrSave(HostName());
13261 gameInfo.date = PGNDate();
13262 gameInfo.round = StrSave("-");
13263 gameInfo.white = StrSave(UserName());
13264 gameInfo.black = StrSave(first.tidy);
13265 gameInfo.timeControl = TimeControlTagValue();
13268 case TwoMachinesPlay:
13269 gameInfo.event = StrSave( appData.pgnEventHeader );
13270 gameInfo.site = StrSave(HostName());
13271 gameInfo.date = PGNDate();
13272 if (matchGame > 0) {
13274 snprintf(buf, MSG_SIZ, "%d", matchGame);
13275 gameInfo.round = StrSave(buf);
13277 gameInfo.round = StrSave("-");
13279 if (first.twoMachinesColor[0] == 'w') {
13280 gameInfo.white = StrSave(first.tidy);
13281 gameInfo.black = StrSave(second.tidy);
13283 gameInfo.white = StrSave(second.tidy);
13284 gameInfo.black = StrSave(first.tidy);
13286 gameInfo.timeControl = TimeControlTagValue();
13290 gameInfo.event = StrSave("Edited game");
13291 gameInfo.site = StrSave(HostName());
13292 gameInfo.date = PGNDate();
13293 gameInfo.round = StrSave("-");
13294 gameInfo.white = StrSave("-");
13295 gameInfo.black = StrSave("-");
13296 gameInfo.result = r;
13297 gameInfo.resultDetails = p;
13301 gameInfo.event = StrSave("Edited position");
13302 gameInfo.site = StrSave(HostName());
13303 gameInfo.date = PGNDate();
13304 gameInfo.round = StrSave("-");
13305 gameInfo.white = StrSave("-");
13306 gameInfo.black = StrSave("-");
13309 case IcsPlayingWhite:
13310 case IcsPlayingBlack:
13315 case PlayFromGameFile:
13316 gameInfo.event = StrSave("Game from non-PGN file");
13317 gameInfo.site = StrSave(HostName());
13318 gameInfo.date = PGNDate();
13319 gameInfo.round = StrSave("-");
13320 gameInfo.white = StrSave("?");
13321 gameInfo.black = StrSave("?");
13330 ReplaceComment(index, text)
13338 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13339 pvInfoList[index-1].depth == len &&
13340 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13341 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13342 while (*text == '\n') text++;
13343 len = strlen(text);
13344 while (len > 0 && text[len - 1] == '\n') len--;
13346 if (commentList[index] != NULL)
13347 free(commentList[index]);
13350 commentList[index] = NULL;
13353 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13354 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13355 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13356 commentList[index] = (char *) malloc(len + 2);
13357 strncpy(commentList[index], text, len);
13358 commentList[index][len] = '\n';
13359 commentList[index][len + 1] = NULLCHAR;
13361 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13363 commentList[index] = (char *) malloc(len + 7);
13364 safeStrCpy(commentList[index], "{\n", 3);
13365 safeStrCpy(commentList[index]+2, text, len+1);
13366 commentList[index][len+2] = NULLCHAR;
13367 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13368 strcat(commentList[index], "\n}\n");
13382 if (ch == '\r') continue;
13384 } while (ch != '\0');
13388 AppendComment(index, text, addBraces)
13391 Boolean addBraces; // [HGM] braces: tells if we should add {}
13396 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13397 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13400 while (*text == '\n') text++;
13401 len = strlen(text);
13402 while (len > 0 && text[len - 1] == '\n') len--;
13404 if (len == 0) return;
13406 if (commentList[index] != NULL) {
13407 old = commentList[index];
13408 oldlen = strlen(old);
13409 while(commentList[index][oldlen-1] == '\n')
13410 commentList[index][--oldlen] = NULLCHAR;
13411 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13412 safeStrCpy(commentList[index], old, oldlen + len + 6);
13414 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13415 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13416 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13417 while (*text == '\n') { text++; len--; }
13418 commentList[index][--oldlen] = NULLCHAR;
13420 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13421 else strcat(commentList[index], "\n");
13422 strcat(commentList[index], text);
13423 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13424 else strcat(commentList[index], "\n");
13426 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13428 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13429 else commentList[index][0] = NULLCHAR;
13430 strcat(commentList[index], text);
13431 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13432 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13436 static char * FindStr( char * text, char * sub_text )
13438 char * result = strstr( text, sub_text );
13440 if( result != NULL ) {
13441 result += strlen( sub_text );
13447 /* [AS] Try to extract PV info from PGN comment */
13448 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13449 char *GetInfoFromComment( int index, char * text )
13451 char * sep = text, *p;
13453 if( text != NULL && index > 0 ) {
13456 int time = -1, sec = 0, deci;
13457 char * s_eval = FindStr( text, "[%eval " );
13458 char * s_emt = FindStr( text, "[%emt " );
13460 if( s_eval != NULL || s_emt != NULL ) {
13464 if( s_eval != NULL ) {
13465 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13469 if( delim != ']' ) {
13474 if( s_emt != NULL ) {
13479 /* We expect something like: [+|-]nnn.nn/dd */
13482 if(*text != '{') return text; // [HGM] braces: must be normal comment
13484 sep = strchr( text, '/' );
13485 if( sep == NULL || sep < (text+4) ) {
13490 if(p[1] == '(') { // comment starts with PV
13491 p = strchr(p, ')'); // locate end of PV
13492 if(p == NULL || sep < p+5) return text;
13493 // at this point we have something like "{(.*) +0.23/6 ..."
13494 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13495 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13496 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13498 time = -1; sec = -1; deci = -1;
13499 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13500 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13501 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13502 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13506 if( score_lo < 0 || score_lo >= 100 ) {
13510 if(sec >= 0) time = 600*time + 10*sec; else
13511 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13513 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13515 /* [HGM] PV time: now locate end of PV info */
13516 while( *++sep >= '0' && *sep <= '9'); // strip depth
13518 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13520 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13522 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13523 while(*sep == ' ') sep++;
13534 pvInfoList[index-1].depth = depth;
13535 pvInfoList[index-1].score = score;
13536 pvInfoList[index-1].time = 10*time; // centi-sec
13537 if(*sep == '}') *sep = 0; else *--sep = '{';
13538 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13544 SendToProgram(message, cps)
13546 ChessProgramState *cps;
13548 int count, outCount, error;
13551 if (cps->pr == NULL) return;
13554 if (appData.debugMode) {
13557 fprintf(debugFP, "%ld >%-6s: %s",
13558 SubtractTimeMarks(&now, &programStartTime),
13559 cps->which, message);
13562 count = strlen(message);
13563 outCount = OutputToProcess(cps->pr, message, count, &error);
13564 if (outCount < count && !exiting
13565 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13566 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13567 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13568 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13569 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13570 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13572 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13574 gameInfo.resultDetails = StrSave(buf);
13576 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13581 ReceiveFromProgram(isr, closure, message, count, error)
13582 InputSourceRef isr;
13590 ChessProgramState *cps = (ChessProgramState *)closure;
13592 if (isr != cps->isr) return; /* Killed intentionally */
13595 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13596 cps->which, cps->program);
13597 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13598 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13599 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13600 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13602 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13604 gameInfo.resultDetails = StrSave(buf);
13606 RemoveInputSource(cps->isr);
13607 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13609 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13610 cps->which, cps->program);
13611 RemoveInputSource(cps->isr);
13613 /* [AS] Program is misbehaving badly... kill it */
13614 if( count == -2 ) {
13615 DestroyChildProcess( cps->pr, 9 );
13619 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13624 if ((end_str = strchr(message, '\r')) != NULL)
13625 *end_str = NULLCHAR;
13626 if ((end_str = strchr(message, '\n')) != NULL)
13627 *end_str = NULLCHAR;
13629 if (appData.debugMode) {
13630 TimeMark now; int print = 1;
13631 char *quote = ""; char c; int i;
13633 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13634 char start = message[0];
13635 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13636 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13637 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13638 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13639 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13640 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13641 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13642 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13643 sscanf(message, "hint: %c", &c)!=1 &&
13644 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13645 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13646 print = (appData.engineComments >= 2);
13648 message[0] = start; // restore original message
13652 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13653 SubtractTimeMarks(&now, &programStartTime), cps->which,
13659 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13660 if (appData.icsEngineAnalyze) {
13661 if (strstr(message, "whisper") != NULL ||
13662 strstr(message, "kibitz") != NULL ||
13663 strstr(message, "tellics") != NULL) return;
13666 HandleMachineMove(message, cps);
13671 SendTimeControl(cps, mps, tc, inc, sd, st)
13672 ChessProgramState *cps;
13673 int mps, inc, sd, st;
13679 if( timeControl_2 > 0 ) {
13680 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13681 tc = timeControl_2;
13684 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13685 inc /= cps->timeOdds;
13686 st /= cps->timeOdds;
13688 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13691 /* Set exact time per move, normally using st command */
13692 if (cps->stKludge) {
13693 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13695 if (seconds == 0) {
13696 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13698 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13701 snprintf(buf, MSG_SIZ, "st %d\n", st);
13704 /* Set conventional or incremental time control, using level command */
13705 if (seconds == 0) {
13706 /* Note old gnuchess bug -- minutes:seconds used to not work.
13707 Fixed in later versions, but still avoid :seconds
13708 when seconds is 0. */
13709 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13711 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13712 seconds, inc/1000.);
13715 SendToProgram(buf, cps);
13717 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13718 /* Orthogonally, limit search to given depth */
13720 if (cps->sdKludge) {
13721 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13723 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13725 SendToProgram(buf, cps);
13728 if(cps->nps > 0) { /* [HGM] nps */
13729 if(cps->supportsNPS == FALSE)
13730 cps->nps = -1; // don't use if engine explicitly says not supported!
13732 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13733 SendToProgram(buf, cps);
13738 ChessProgramState *WhitePlayer()
13739 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13741 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13742 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13748 SendTimeRemaining(cps, machineWhite)
13749 ChessProgramState *cps;
13750 int /*boolean*/ machineWhite;
13752 char message[MSG_SIZ];
13755 /* Note: this routine must be called when the clocks are stopped
13756 or when they have *just* been set or switched; otherwise
13757 it will be off by the time since the current tick started.
13759 if (machineWhite) {
13760 time = whiteTimeRemaining / 10;
13761 otime = blackTimeRemaining / 10;
13763 time = blackTimeRemaining / 10;
13764 otime = whiteTimeRemaining / 10;
13766 /* [HGM] translate opponent's time by time-odds factor */
13767 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13768 if (appData.debugMode) {
13769 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13772 if (time <= 0) time = 1;
13773 if (otime <= 0) otime = 1;
13775 snprintf(message, MSG_SIZ, "time %ld\n", time);
13776 SendToProgram(message, cps);
13778 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13779 SendToProgram(message, cps);
13783 BoolFeature(p, name, loc, cps)
13787 ChessProgramState *cps;
13790 int len = strlen(name);
13793 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13795 sscanf(*p, "%d", &val);
13797 while (**p && **p != ' ')
13799 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13800 SendToProgram(buf, cps);
13807 IntFeature(p, name, loc, cps)
13811 ChessProgramState *cps;
13814 int len = strlen(name);
13815 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13817 sscanf(*p, "%d", loc);
13818 while (**p && **p != ' ') (*p)++;
13819 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13820 SendToProgram(buf, cps);
13827 StringFeature(p, name, loc, cps)
13831 ChessProgramState *cps;
13834 int len = strlen(name);
13835 if (strncmp((*p), name, len) == 0
13836 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13838 sscanf(*p, "%[^\"]", loc);
13839 while (**p && **p != '\"') (*p)++;
13840 if (**p == '\"') (*p)++;
13841 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13842 SendToProgram(buf, cps);
13849 ParseOption(Option *opt, ChessProgramState *cps)
13850 // [HGM] options: process the string that defines an engine option, and determine
13851 // name, type, default value, and allowed value range
13853 char *p, *q, buf[MSG_SIZ];
13854 int n, min = (-1)<<31, max = 1<<31, def;
13856 if(p = strstr(opt->name, " -spin ")) {
13857 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13858 if(max < min) max = min; // enforce consistency
13859 if(def < min) def = min;
13860 if(def > max) def = max;
13865 } else if((p = strstr(opt->name, " -slider "))) {
13866 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13867 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13868 if(max < min) max = min; // enforce consistency
13869 if(def < min) def = min;
13870 if(def > max) def = max;
13874 opt->type = Spin; // Slider;
13875 } else if((p = strstr(opt->name, " -string "))) {
13876 opt->textValue = p+9;
13877 opt->type = TextBox;
13878 } else if((p = strstr(opt->name, " -file "))) {
13879 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13880 opt->textValue = p+7;
13881 opt->type = TextBox; // FileName;
13882 } else if((p = strstr(opt->name, " -path "))) {
13883 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13884 opt->textValue = p+7;
13885 opt->type = TextBox; // PathName;
13886 } else if(p = strstr(opt->name, " -check ")) {
13887 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13888 opt->value = (def != 0);
13889 opt->type = CheckBox;
13890 } else if(p = strstr(opt->name, " -combo ")) {
13891 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13892 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13893 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13894 opt->value = n = 0;
13895 while(q = StrStr(q, " /// ")) {
13896 n++; *q = 0; // count choices, and null-terminate each of them
13898 if(*q == '*') { // remember default, which is marked with * prefix
13902 cps->comboList[cps->comboCnt++] = q;
13904 cps->comboList[cps->comboCnt++] = NULL;
13906 opt->type = ComboBox;
13907 } else if(p = strstr(opt->name, " -button")) {
13908 opt->type = Button;
13909 } else if(p = strstr(opt->name, " -save")) {
13910 opt->type = SaveButton;
13911 } else return FALSE;
13912 *p = 0; // terminate option name
13913 // now look if the command-line options define a setting for this engine option.
13914 if(cps->optionSettings && cps->optionSettings[0])
13915 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13916 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13917 snprintf(buf, MSG_SIZ, "option %s", p);
13918 if(p = strstr(buf, ",")) *p = 0;
13919 if(q = strchr(buf, '=')) switch(opt->type) {
13921 for(n=0; n<opt->max; n++)
13922 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13925 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13929 opt->value = atoi(q+1);
13934 SendToProgram(buf, cps);
13940 FeatureDone(cps, val)
13941 ChessProgramState* cps;
13944 DelayedEventCallback cb = GetDelayedEvent();
13945 if ((cb == InitBackEnd3 && cps == &first) ||
13946 (cb == SettingsMenuIfReady && cps == &second) ||
13947 (cb == TwoMachinesEventIfReady && cps == &second)) {
13948 CancelDelayedEvent();
13949 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13951 cps->initDone = val;
13954 /* Parse feature command from engine */
13956 ParseFeatures(args, cps)
13958 ChessProgramState *cps;
13966 while (*p == ' ') p++;
13967 if (*p == NULLCHAR) return;
13969 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13970 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13971 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13972 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13973 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13974 if (BoolFeature(&p, "reuse", &val, cps)) {
13975 /* Engine can disable reuse, but can't enable it if user said no */
13976 if (!val) cps->reuse = FALSE;
13979 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13980 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13981 if (gameMode == TwoMachinesPlay) {
13982 DisplayTwoMachinesTitle();
13988 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13989 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13990 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13991 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13992 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13993 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13994 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13995 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13996 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13997 if (IntFeature(&p, "done", &val, cps)) {
13998 FeatureDone(cps, val);
14001 /* Added by Tord: */
14002 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
14003 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
14004 /* End of additions by Tord */
14006 /* [HGM] added features: */
14007 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14008 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14009 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14010 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14011 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14012 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14013 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14014 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14015 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14016 SendToProgram(buf, cps);
14019 if(cps->nrOptions >= MAX_OPTIONS) {
14021 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14022 DisplayError(buf, 0);
14026 /* End of additions by HGM */
14028 /* unknown feature: complain and skip */
14030 while (*q && *q != '=') q++;
14031 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14032 SendToProgram(buf, cps);
14038 while (*p && *p != '\"') p++;
14039 if (*p == '\"') p++;
14041 while (*p && *p != ' ') p++;
14049 PeriodicUpdatesEvent(newState)
14052 if (newState == appData.periodicUpdates)
14055 appData.periodicUpdates=newState;
14057 /* Display type changes, so update it now */
14058 // DisplayAnalysis();
14060 /* Get the ball rolling again... */
14062 AnalysisPeriodicEvent(1);
14063 StartAnalysisClock();
14068 PonderNextMoveEvent(newState)
14071 if (newState == appData.ponderNextMove) return;
14072 if (gameMode == EditPosition) EditPositionDone(TRUE);
14074 SendToProgram("hard\n", &first);
14075 if (gameMode == TwoMachinesPlay) {
14076 SendToProgram("hard\n", &second);
14079 SendToProgram("easy\n", &first);
14080 thinkOutput[0] = NULLCHAR;
14081 if (gameMode == TwoMachinesPlay) {
14082 SendToProgram("easy\n", &second);
14085 appData.ponderNextMove = newState;
14089 NewSettingEvent(option, feature, command, value)
14091 int option, value, *feature;
14095 if (gameMode == EditPosition) EditPositionDone(TRUE);
14096 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14097 if(feature == NULL || *feature) SendToProgram(buf, &first);
14098 if (gameMode == TwoMachinesPlay) {
14099 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14104 ShowThinkingEvent()
14105 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14107 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14108 int newState = appData.showThinking
14109 // [HGM] thinking: other features now need thinking output as well
14110 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14112 if (oldState == newState) return;
14113 oldState = newState;
14114 if (gameMode == EditPosition) EditPositionDone(TRUE);
14116 SendToProgram("post\n", &first);
14117 if (gameMode == TwoMachinesPlay) {
14118 SendToProgram("post\n", &second);
14121 SendToProgram("nopost\n", &first);
14122 thinkOutput[0] = NULLCHAR;
14123 if (gameMode == TwoMachinesPlay) {
14124 SendToProgram("nopost\n", &second);
14127 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14131 AskQuestionEvent(title, question, replyPrefix, which)
14132 char *title; char *question; char *replyPrefix; char *which;
14134 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14135 if (pr == NoProc) return;
14136 AskQuestion(title, question, replyPrefix, pr);
14140 DisplayMove(moveNumber)
14143 char message[MSG_SIZ];
14145 char cpThinkOutput[MSG_SIZ];
14147 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14149 if (moveNumber == forwardMostMove - 1 ||
14150 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14152 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14154 if (strchr(cpThinkOutput, '\n')) {
14155 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14158 *cpThinkOutput = NULLCHAR;
14161 /* [AS] Hide thinking from human user */
14162 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14163 *cpThinkOutput = NULLCHAR;
14164 if( thinkOutput[0] != NULLCHAR ) {
14167 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14168 cpThinkOutput[i] = '.';
14170 cpThinkOutput[i] = NULLCHAR;
14171 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14175 if (moveNumber == forwardMostMove - 1 &&
14176 gameInfo.resultDetails != NULL) {
14177 if (gameInfo.resultDetails[0] == NULLCHAR) {
14178 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14180 snprintf(res, MSG_SIZ, " {%s} %s",
14181 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14187 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14188 DisplayMessage(res, cpThinkOutput);
14190 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14191 WhiteOnMove(moveNumber) ? " " : ".. ",
14192 parseList[moveNumber], res);
14193 DisplayMessage(message, cpThinkOutput);
14198 DisplayComment(moveNumber, text)
14202 char title[MSG_SIZ];
14203 char buf[8000]; // comment can be long!
14206 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14207 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14209 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14210 WhiteOnMove(moveNumber) ? " " : ".. ",
14211 parseList[moveNumber]);
14213 // [HGM] PV info: display PV info together with (or as) comment
14214 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14215 if(text == NULL) text = "";
14216 score = pvInfoList[moveNumber].score;
14217 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14218 depth, (pvInfoList[moveNumber].time+50)/100, text);
14221 if (text != NULL && (appData.autoDisplayComment || commentUp))
14222 CommentPopUp(title, text);
14225 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14226 * might be busy thinking or pondering. It can be omitted if your
14227 * gnuchess is configured to stop thinking immediately on any user
14228 * input. However, that gnuchess feature depends on the FIONREAD
14229 * ioctl, which does not work properly on some flavors of Unix.
14233 ChessProgramState *cps;
14236 if (!cps->useSigint) return;
14237 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14238 switch (gameMode) {
14239 case MachinePlaysWhite:
14240 case MachinePlaysBlack:
14241 case TwoMachinesPlay:
14242 case IcsPlayingWhite:
14243 case IcsPlayingBlack:
14246 /* Skip if we know it isn't thinking */
14247 if (!cps->maybeThinking) return;
14248 if (appData.debugMode)
14249 fprintf(debugFP, "Interrupting %s\n", cps->which);
14250 InterruptChildProcess(cps->pr);
14251 cps->maybeThinking = FALSE;
14256 #endif /*ATTENTION*/
14262 if (whiteTimeRemaining <= 0) {
14265 if (appData.icsActive) {
14266 if (appData.autoCallFlag &&
14267 gameMode == IcsPlayingBlack && !blackFlag) {
14268 SendToICS(ics_prefix);
14269 SendToICS("flag\n");
14273 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14275 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14276 if (appData.autoCallFlag) {
14277 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14284 if (blackTimeRemaining <= 0) {
14287 if (appData.icsActive) {
14288 if (appData.autoCallFlag &&
14289 gameMode == IcsPlayingWhite && !whiteFlag) {
14290 SendToICS(ics_prefix);
14291 SendToICS("flag\n");
14295 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14297 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14298 if (appData.autoCallFlag) {
14299 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14312 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14313 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14316 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14318 if ( !WhiteOnMove(forwardMostMove) ) {
14319 /* White made time control */
14320 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14321 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14322 /* [HGM] time odds: correct new time quota for time odds! */
14323 / WhitePlayer()->timeOdds;
14324 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14326 lastBlack -= blackTimeRemaining;
14327 /* Black made time control */
14328 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14329 / WhitePlayer()->other->timeOdds;
14330 lastWhite = whiteTimeRemaining;
14335 DisplayBothClocks()
14337 int wom = gameMode == EditPosition ?
14338 !blackPlaysFirst : WhiteOnMove(currentMove);
14339 DisplayWhiteClock(whiteTimeRemaining, wom);
14340 DisplayBlackClock(blackTimeRemaining, !wom);
14344 /* Timekeeping seems to be a portability nightmare. I think everyone
14345 has ftime(), but I'm really not sure, so I'm including some ifdefs
14346 to use other calls if you don't. Clocks will be less accurate if
14347 you have neither ftime nor gettimeofday.
14350 /* VS 2008 requires the #include outside of the function */
14351 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14352 #include <sys/timeb.h>
14355 /* Get the current time as a TimeMark */
14360 #if HAVE_GETTIMEOFDAY
14362 struct timeval timeVal;
14363 struct timezone timeZone;
14365 gettimeofday(&timeVal, &timeZone);
14366 tm->sec = (long) timeVal.tv_sec;
14367 tm->ms = (int) (timeVal.tv_usec / 1000L);
14369 #else /*!HAVE_GETTIMEOFDAY*/
14372 // include <sys/timeb.h> / moved to just above start of function
14373 struct timeb timeB;
14376 tm->sec = (long) timeB.time;
14377 tm->ms = (int) timeB.millitm;
14379 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14380 tm->sec = (long) time(NULL);
14386 /* Return the difference in milliseconds between two
14387 time marks. We assume the difference will fit in a long!
14390 SubtractTimeMarks(tm2, tm1)
14391 TimeMark *tm2, *tm1;
14393 return 1000L*(tm2->sec - tm1->sec) +
14394 (long) (tm2->ms - tm1->ms);
14399 * Code to manage the game clocks.
14401 * In tournament play, black starts the clock and then white makes a move.
14402 * We give the human user a slight advantage if he is playing white---the
14403 * clocks don't run until he makes his first move, so it takes zero time.
14404 * Also, we don't account for network lag, so we could get out of sync
14405 * with GNU Chess's clock -- but then, referees are always right.
14408 static TimeMark tickStartTM;
14409 static long intendedTickLength;
14412 NextTickLength(timeRemaining)
14413 long timeRemaining;
14415 long nominalTickLength, nextTickLength;
14417 if (timeRemaining > 0L && timeRemaining <= 10000L)
14418 nominalTickLength = 100L;
14420 nominalTickLength = 1000L;
14421 nextTickLength = timeRemaining % nominalTickLength;
14422 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14424 return nextTickLength;
14427 /* Adjust clock one minute up or down */
14429 AdjustClock(Boolean which, int dir)
14431 if(which) blackTimeRemaining += 60000*dir;
14432 else whiteTimeRemaining += 60000*dir;
14433 DisplayBothClocks();
14436 /* Stop clocks and reset to a fresh time control */
14440 (void) StopClockTimer();
14441 if (appData.icsActive) {
14442 whiteTimeRemaining = blackTimeRemaining = 0;
14443 } else if (searchTime) {
14444 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14445 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14446 } else { /* [HGM] correct new time quote for time odds */
14447 whiteTC = blackTC = fullTimeControlString;
14448 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14449 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14451 if (whiteFlag || blackFlag) {
14453 whiteFlag = blackFlag = FALSE;
14455 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14456 DisplayBothClocks();
14459 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14461 /* Decrement running clock by amount of time that has passed */
14465 long timeRemaining;
14466 long lastTickLength, fudge;
14469 if (!appData.clockMode) return;
14470 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14474 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14476 /* Fudge if we woke up a little too soon */
14477 fudge = intendedTickLength - lastTickLength;
14478 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14480 if (WhiteOnMove(forwardMostMove)) {
14481 if(whiteNPS >= 0) lastTickLength = 0;
14482 timeRemaining = whiteTimeRemaining -= lastTickLength;
14483 if(timeRemaining < 0 && !appData.icsActive) {
14484 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14485 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14486 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14487 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14490 DisplayWhiteClock(whiteTimeRemaining - fudge,
14491 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14493 if(blackNPS >= 0) lastTickLength = 0;
14494 timeRemaining = blackTimeRemaining -= lastTickLength;
14495 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14496 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14498 blackStartMove = forwardMostMove;
14499 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14502 DisplayBlackClock(blackTimeRemaining - fudge,
14503 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14505 if (CheckFlags()) return;
14508 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14509 StartClockTimer(intendedTickLength);
14511 /* if the time remaining has fallen below the alarm threshold, sound the
14512 * alarm. if the alarm has sounded and (due to a takeback or time control
14513 * with increment) the time remaining has increased to a level above the
14514 * threshold, reset the alarm so it can sound again.
14517 if (appData.icsActive && appData.icsAlarm) {
14519 /* make sure we are dealing with the user's clock */
14520 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14521 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14524 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14525 alarmSounded = FALSE;
14526 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14528 alarmSounded = TRUE;
14534 /* A player has just moved, so stop the previously running
14535 clock and (if in clock mode) start the other one.
14536 We redisplay both clocks in case we're in ICS mode, because
14537 ICS gives us an update to both clocks after every move.
14538 Note that this routine is called *after* forwardMostMove
14539 is updated, so the last fractional tick must be subtracted
14540 from the color that is *not* on move now.
14543 SwitchClocks(int newMoveNr)
14545 long lastTickLength;
14547 int flagged = FALSE;
14551 if (StopClockTimer() && appData.clockMode) {
14552 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14553 if (!WhiteOnMove(forwardMostMove)) {
14554 if(blackNPS >= 0) lastTickLength = 0;
14555 blackTimeRemaining -= lastTickLength;
14556 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14557 // if(pvInfoList[forwardMostMove].time == -1)
14558 pvInfoList[forwardMostMove].time = // use GUI time
14559 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14561 if(whiteNPS >= 0) lastTickLength = 0;
14562 whiteTimeRemaining -= lastTickLength;
14563 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14564 // if(pvInfoList[forwardMostMove].time == -1)
14565 pvInfoList[forwardMostMove].time =
14566 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14568 flagged = CheckFlags();
14570 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14571 CheckTimeControl();
14573 if (flagged || !appData.clockMode) return;
14575 switch (gameMode) {
14576 case MachinePlaysBlack:
14577 case MachinePlaysWhite:
14578 case BeginningOfGame:
14579 if (pausing) return;
14583 case PlayFromGameFile:
14591 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14592 if(WhiteOnMove(forwardMostMove))
14593 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14594 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14598 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14599 whiteTimeRemaining : blackTimeRemaining);
14600 StartClockTimer(intendedTickLength);
14604 /* Stop both clocks */
14608 long lastTickLength;
14611 if (!StopClockTimer()) return;
14612 if (!appData.clockMode) return;
14616 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14617 if (WhiteOnMove(forwardMostMove)) {
14618 if(whiteNPS >= 0) lastTickLength = 0;
14619 whiteTimeRemaining -= lastTickLength;
14620 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14622 if(blackNPS >= 0) lastTickLength = 0;
14623 blackTimeRemaining -= lastTickLength;
14624 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14629 /* Start clock of player on move. Time may have been reset, so
14630 if clock is already running, stop and restart it. */
14634 (void) StopClockTimer(); /* in case it was running already */
14635 DisplayBothClocks();
14636 if (CheckFlags()) return;
14638 if (!appData.clockMode) return;
14639 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14641 GetTimeMark(&tickStartTM);
14642 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14643 whiteTimeRemaining : blackTimeRemaining);
14645 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14646 whiteNPS = blackNPS = -1;
14647 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14648 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14649 whiteNPS = first.nps;
14650 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14651 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14652 blackNPS = first.nps;
14653 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14654 whiteNPS = second.nps;
14655 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14656 blackNPS = second.nps;
14657 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14659 StartClockTimer(intendedTickLength);
14666 long second, minute, hour, day;
14668 static char buf[32];
14670 if (ms > 0 && ms <= 9900) {
14671 /* convert milliseconds to tenths, rounding up */
14672 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14674 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14678 /* convert milliseconds to seconds, rounding up */
14679 /* use floating point to avoid strangeness of integer division
14680 with negative dividends on many machines */
14681 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14688 day = second / (60 * 60 * 24);
14689 second = second % (60 * 60 * 24);
14690 hour = second / (60 * 60);
14691 second = second % (60 * 60);
14692 minute = second / 60;
14693 second = second % 60;
14696 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14697 sign, day, hour, minute, second);
14699 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14701 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14708 * This is necessary because some C libraries aren't ANSI C compliant yet.
14711 StrStr(string, match)
14712 char *string, *match;
14716 length = strlen(match);
14718 for (i = strlen(string) - length; i >= 0; i--, string++)
14719 if (!strncmp(match, string, length))
14726 StrCaseStr(string, match)
14727 char *string, *match;
14731 length = strlen(match);
14733 for (i = strlen(string) - length; i >= 0; i--, string++) {
14734 for (j = 0; j < length; j++) {
14735 if (ToLower(match[j]) != ToLower(string[j]))
14738 if (j == length) return string;
14752 c1 = ToLower(*s1++);
14753 c2 = ToLower(*s2++);
14754 if (c1 > c2) return 1;
14755 if (c1 < c2) return -1;
14756 if (c1 == NULLCHAR) return 0;
14765 return isupper(c) ? tolower(c) : c;
14773 return islower(c) ? toupper(c) : c;
14775 #endif /* !_amigados */
14783 if ((ret = (char *) malloc(strlen(s) + 1)))
14785 safeStrCpy(ret, s, strlen(s)+1);
14791 StrSavePtr(s, savePtr)
14792 char *s, **savePtr;
14797 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14798 safeStrCpy(*savePtr, s, strlen(s)+1);
14810 clock = time((time_t *)NULL);
14811 tm = localtime(&clock);
14812 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14813 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14814 return StrSave(buf);
14819 PositionToFEN(move, overrideCastling)
14821 char *overrideCastling;
14823 int i, j, fromX, fromY, toX, toY;
14830 whiteToPlay = (gameMode == EditPosition) ?
14831 !blackPlaysFirst : (move % 2 == 0);
14834 /* Piece placement data */
14835 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14837 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14838 if (boards[move][i][j] == EmptySquare) {
14840 } else { ChessSquare piece = boards[move][i][j];
14841 if (emptycount > 0) {
14842 if(emptycount<10) /* [HGM] can be >= 10 */
14843 *p++ = '0' + emptycount;
14844 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14847 if(PieceToChar(piece) == '+') {
14848 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14850 piece = (ChessSquare)(DEMOTED piece);
14852 *p++ = PieceToChar(piece);
14854 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14855 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14860 if (emptycount > 0) {
14861 if(emptycount<10) /* [HGM] can be >= 10 */
14862 *p++ = '0' + emptycount;
14863 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14870 /* [HGM] print Crazyhouse or Shogi holdings */
14871 if( gameInfo.holdingsWidth ) {
14872 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14874 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14875 piece = boards[move][i][BOARD_WIDTH-1];
14876 if( piece != EmptySquare )
14877 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14878 *p++ = PieceToChar(piece);
14880 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14881 piece = boards[move][BOARD_HEIGHT-i-1][0];
14882 if( piece != EmptySquare )
14883 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14884 *p++ = PieceToChar(piece);
14887 if( q == p ) *p++ = '-';
14893 *p++ = whiteToPlay ? 'w' : 'b';
14896 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14897 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14899 if(nrCastlingRights) {
14901 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14902 /* [HGM] write directly from rights */
14903 if(boards[move][CASTLING][2] != NoRights &&
14904 boards[move][CASTLING][0] != NoRights )
14905 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14906 if(boards[move][CASTLING][2] != NoRights &&
14907 boards[move][CASTLING][1] != NoRights )
14908 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14909 if(boards[move][CASTLING][5] != NoRights &&
14910 boards[move][CASTLING][3] != NoRights )
14911 *p++ = boards[move][CASTLING][3] + AAA;
14912 if(boards[move][CASTLING][5] != NoRights &&
14913 boards[move][CASTLING][4] != NoRights )
14914 *p++ = boards[move][CASTLING][4] + AAA;
14917 /* [HGM] write true castling rights */
14918 if( nrCastlingRights == 6 ) {
14919 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14920 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14921 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14922 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14923 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14924 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14925 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14926 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14929 if (q == p) *p++ = '-'; /* No castling rights */
14933 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14934 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14935 /* En passant target square */
14936 if (move > backwardMostMove) {
14937 fromX = moveList[move - 1][0] - AAA;
14938 fromY = moveList[move - 1][1] - ONE;
14939 toX = moveList[move - 1][2] - AAA;
14940 toY = moveList[move - 1][3] - ONE;
14941 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14942 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14943 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14945 /* 2-square pawn move just happened */
14947 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14951 } else if(move == backwardMostMove) {
14952 // [HGM] perhaps we should always do it like this, and forget the above?
14953 if((signed char)boards[move][EP_STATUS] >= 0) {
14954 *p++ = boards[move][EP_STATUS] + AAA;
14955 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14966 /* [HGM] find reversible plies */
14967 { int i = 0, j=move;
14969 if (appData.debugMode) { int k;
14970 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14971 for(k=backwardMostMove; k<=forwardMostMove; k++)
14972 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14976 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14977 if( j == backwardMostMove ) i += initialRulePlies;
14978 sprintf(p, "%d ", i);
14979 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14981 /* Fullmove number */
14982 sprintf(p, "%d", (move / 2) + 1);
14984 return StrSave(buf);
14988 ParseFEN(board, blackPlaysFirst, fen)
14990 int *blackPlaysFirst;
15000 /* [HGM] by default clear Crazyhouse holdings, if present */
15001 if(gameInfo.holdingsWidth) {
15002 for(i=0; i<BOARD_HEIGHT; i++) {
15003 board[i][0] = EmptySquare; /* black holdings */
15004 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
15005 board[i][1] = (ChessSquare) 0; /* black counts */
15006 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15010 /* Piece placement data */
15011 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15014 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15015 if (*p == '/') p++;
15016 emptycount = gameInfo.boardWidth - j;
15017 while (emptycount--)
15018 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15020 #if(BOARD_FILES >= 10)
15021 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15022 p++; emptycount=10;
15023 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15024 while (emptycount--)
15025 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15027 } else if (isdigit(*p)) {
15028 emptycount = *p++ - '0';
15029 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15030 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15031 while (emptycount--)
15032 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15033 } else if (*p == '+' || isalpha(*p)) {
15034 if (j >= gameInfo.boardWidth) return FALSE;
15036 piece = CharToPiece(*++p);
15037 if(piece == EmptySquare) return FALSE; /* unknown piece */
15038 piece = (ChessSquare) (PROMOTED piece ); p++;
15039 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15040 } else piece = CharToPiece(*p++);
15042 if(piece==EmptySquare) return FALSE; /* unknown piece */
15043 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15044 piece = (ChessSquare) (PROMOTED piece);
15045 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15048 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15054 while (*p == '/' || *p == ' ') p++;
15056 /* [HGM] look for Crazyhouse holdings here */
15057 while(*p==' ') p++;
15058 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15060 if(*p == '-' ) p++; /* empty holdings */ else {
15061 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15062 /* if we would allow FEN reading to set board size, we would */
15063 /* have to add holdings and shift the board read so far here */
15064 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15066 if((int) piece >= (int) BlackPawn ) {
15067 i = (int)piece - (int)BlackPawn;
15068 i = PieceToNumber((ChessSquare)i);
15069 if( i >= gameInfo.holdingsSize ) return FALSE;
15070 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15071 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15073 i = (int)piece - (int)WhitePawn;
15074 i = PieceToNumber((ChessSquare)i);
15075 if( i >= gameInfo.holdingsSize ) return FALSE;
15076 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15077 board[i][BOARD_WIDTH-2]++; /* black holdings */
15084 while(*p == ' ') p++;
15088 if(appData.colorNickNames) {
15089 if( c == appData.colorNickNames[0] ) c = 'w'; else
15090 if( c == appData.colorNickNames[1] ) c = 'b';
15094 *blackPlaysFirst = FALSE;
15097 *blackPlaysFirst = TRUE;
15103 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15104 /* return the extra info in global variiables */
15106 /* set defaults in case FEN is incomplete */
15107 board[EP_STATUS] = EP_UNKNOWN;
15108 for(i=0; i<nrCastlingRights; i++ ) {
15109 board[CASTLING][i] =
15110 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15111 } /* assume possible unless obviously impossible */
15112 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15113 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15114 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15115 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15116 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15117 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15118 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15119 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15122 while(*p==' ') p++;
15123 if(nrCastlingRights) {
15124 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15125 /* castling indicator present, so default becomes no castlings */
15126 for(i=0; i<nrCastlingRights; i++ ) {
15127 board[CASTLING][i] = NoRights;
15130 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15131 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15132 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15133 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15134 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15136 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15137 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15138 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15140 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15141 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15142 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15143 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15144 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15145 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15148 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15149 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15150 board[CASTLING][2] = whiteKingFile;
15153 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15154 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15155 board[CASTLING][2] = whiteKingFile;
15158 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15159 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15160 board[CASTLING][5] = blackKingFile;
15163 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15164 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15165 board[CASTLING][5] = blackKingFile;
15168 default: /* FRC castlings */
15169 if(c >= 'a') { /* black rights */
15170 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15171 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15172 if(i == BOARD_RGHT) break;
15173 board[CASTLING][5] = i;
15175 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15176 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15178 board[CASTLING][3] = c;
15180 board[CASTLING][4] = c;
15181 } else { /* white rights */
15182 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15183 if(board[0][i] == WhiteKing) break;
15184 if(i == BOARD_RGHT) break;
15185 board[CASTLING][2] = i;
15186 c -= AAA - 'a' + 'A';
15187 if(board[0][c] >= WhiteKing) break;
15189 board[CASTLING][0] = c;
15191 board[CASTLING][1] = c;
15195 for(i=0; i<nrCastlingRights; i++)
15196 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15197 if (appData.debugMode) {
15198 fprintf(debugFP, "FEN castling rights:");
15199 for(i=0; i<nrCastlingRights; i++)
15200 fprintf(debugFP, " %d", board[CASTLING][i]);
15201 fprintf(debugFP, "\n");
15204 while(*p==' ') p++;
15207 /* read e.p. field in games that know e.p. capture */
15208 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15209 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15211 p++; board[EP_STATUS] = EP_NONE;
15213 char c = *p++ - AAA;
15215 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15216 if(*p >= '0' && *p <='9') p++;
15217 board[EP_STATUS] = c;
15222 if(sscanf(p, "%d", &i) == 1) {
15223 FENrulePlies = i; /* 50-move ply counter */
15224 /* (The move number is still ignored) */
15231 EditPositionPasteFEN(char *fen)
15234 Board initial_position;
15236 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15237 DisplayError(_("Bad FEN position in clipboard"), 0);
15240 int savedBlackPlaysFirst = blackPlaysFirst;
15241 EditPositionEvent();
15242 blackPlaysFirst = savedBlackPlaysFirst;
15243 CopyBoard(boards[0], initial_position);
15244 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15245 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15246 DisplayBothClocks();
15247 DrawPosition(FALSE, boards[currentMove]);
15252 static char cseq[12] = "\\ ";
15254 Boolean set_cont_sequence(char *new_seq)
15259 // handle bad attempts to set the sequence
15261 return 0; // acceptable error - no debug
15263 len = strlen(new_seq);
15264 ret = (len > 0) && (len < sizeof(cseq));
15266 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15267 else if (appData.debugMode)
15268 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15273 reformat a source message so words don't cross the width boundary. internal
15274 newlines are not removed. returns the wrapped size (no null character unless
15275 included in source message). If dest is NULL, only calculate the size required
15276 for the dest buffer. lp argument indicats line position upon entry, and it's
15277 passed back upon exit.
15279 int wrap(char *dest, char *src, int count, int width, int *lp)
15281 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15283 cseq_len = strlen(cseq);
15284 old_line = line = *lp;
15285 ansi = len = clen = 0;
15287 for (i=0; i < count; i++)
15289 if (src[i] == '\033')
15292 // if we hit the width, back up
15293 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15295 // store i & len in case the word is too long
15296 old_i = i, old_len = len;
15298 // find the end of the last word
15299 while (i && src[i] != ' ' && src[i] != '\n')
15305 // word too long? restore i & len before splitting it
15306 if ((old_i-i+clen) >= width)
15313 if (i && src[i-1] == ' ')
15316 if (src[i] != ' ' && src[i] != '\n')
15323 // now append the newline and continuation sequence
15328 strncpy(dest+len, cseq, cseq_len);
15336 dest[len] = src[i];
15340 if (src[i] == '\n')
15345 if (dest && appData.debugMode)
15347 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15348 count, width, line, len, *lp);
15349 show_bytes(debugFP, src, count);
15350 fprintf(debugFP, "\ndest: ");
15351 show_bytes(debugFP, dest, len);
15352 fprintf(debugFP, "\n");
15354 *lp = dest ? line : old_line;
15359 // [HGM] vari: routines for shelving variations
15362 PushTail(int firstMove, int lastMove)
15364 int i, j, nrMoves = lastMove - firstMove;
15366 if(appData.icsActive) { // only in local mode
15367 forwardMostMove = currentMove; // mimic old ICS behavior
15370 if(storedGames >= MAX_VARIATIONS-1) return;
15372 // push current tail of game on stack
15373 savedResult[storedGames] = gameInfo.result;
15374 savedDetails[storedGames] = gameInfo.resultDetails;
15375 gameInfo.resultDetails = NULL;
15376 savedFirst[storedGames] = firstMove;
15377 savedLast [storedGames] = lastMove;
15378 savedFramePtr[storedGames] = framePtr;
15379 framePtr -= nrMoves; // reserve space for the boards
15380 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15381 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15382 for(j=0; j<MOVE_LEN; j++)
15383 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15384 for(j=0; j<2*MOVE_LEN; j++)
15385 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15386 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15387 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15388 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15389 pvInfoList[firstMove+i-1].depth = 0;
15390 commentList[framePtr+i] = commentList[firstMove+i];
15391 commentList[firstMove+i] = NULL;
15395 forwardMostMove = firstMove; // truncate game so we can start variation
15396 if(storedGames == 1) GreyRevert(FALSE);
15400 PopTail(Boolean annotate)
15403 char buf[8000], moveBuf[20];
15405 if(appData.icsActive) return FALSE; // only in local mode
15406 if(!storedGames) return FALSE; // sanity
15407 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15410 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15411 nrMoves = savedLast[storedGames] - currentMove;
15414 if(!WhiteOnMove(currentMove))
15415 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15416 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15417 for(i=currentMove; i<forwardMostMove; i++) {
15419 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15420 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15421 strcat(buf, moveBuf);
15422 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15423 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15427 for(i=1; i<=nrMoves; i++) { // copy last variation back
15428 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15429 for(j=0; j<MOVE_LEN; j++)
15430 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15431 for(j=0; j<2*MOVE_LEN; j++)
15432 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15433 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15434 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15435 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15436 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15437 commentList[currentMove+i] = commentList[framePtr+i];
15438 commentList[framePtr+i] = NULL;
15440 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15441 framePtr = savedFramePtr[storedGames];
15442 gameInfo.result = savedResult[storedGames];
15443 if(gameInfo.resultDetails != NULL) {
15444 free(gameInfo.resultDetails);
15446 gameInfo.resultDetails = savedDetails[storedGames];
15447 forwardMostMove = currentMove + nrMoves;
15448 if(storedGames == 0) GreyRevert(TRUE);
15454 { // remove all shelved variations
15456 for(i=0; i<storedGames; i++) {
15457 if(savedDetails[i])
15458 free(savedDetails[i]);
15459 savedDetails[i] = NULL;
15461 for(i=framePtr; i<MAX_MOVES; i++) {
15462 if(commentList[i]) free(commentList[i]);
15463 commentList[i] = NULL;
15465 framePtr = MAX_MOVES-1;
15470 LoadVariation(int index, char *text)
15471 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15472 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15473 int level = 0, move;
15475 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15476 // first find outermost bracketing variation
15477 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15478 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15479 if(*p == '{') wait = '}'; else
15480 if(*p == '[') wait = ']'; else
15481 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15482 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15484 if(*p == wait) wait = NULLCHAR; // closing ]} found
15487 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15488 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15489 end[1] = NULLCHAR; // clip off comment beyond variation
15490 ToNrEvent(currentMove-1);
15491 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15492 // kludge: use ParsePV() to append variation to game
15493 move = currentMove;
15494 ParsePV(start, TRUE);
15495 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15496 ClearPremoveHighlights();
15498 ToNrEvent(currentMove+1);