2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 #define DoSleep( n ) if( (n) != 0 ) Sleep( (n) );
62 #define DoSleep( n ) if( (n) >= 0) sleep(n)
72 #include <sys/types.h>
81 #else /* not STDC_HEADERS */
84 # else /* not HAVE_STRING_H */
86 # endif /* not HAVE_STRING_H */
87 #endif /* not STDC_HEADERS */
90 # include <sys/fcntl.h>
91 #else /* not HAVE_SYS_FCNTL_H */
94 # endif /* HAVE_FCNTL_H */
95 #endif /* not HAVE_SYS_FCNTL_H */
97 #if TIME_WITH_SYS_TIME
98 # include <sys/time.h>
102 # include <sys/time.h>
108 #if defined(_amigados) && !defined(__GNUC__)
113 extern int gettimeofday(struct timeval *, struct timezone *);
121 #include "frontend.h"
128 #include "backendz.h"
132 # define _(s) gettext (s)
133 # define N_(s) gettext_noop (s)
134 # define T_(s) gettext(s)
147 /* A point in time */
149 long sec; /* Assuming this is >= 32 bits */
150 int ms; /* Assuming this is >= 16 bits */
153 int establish P((void));
154 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
157 char *buf, int count, int error));
158 void ics_printf P((char *format, ...));
159 void SendToICS P((char *s));
160 void SendToICSDelayed P((char *s, long msdelay));
161 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
162 void HandleMachineMove P((char *message, ChessProgramState *cps));
163 int AutoPlayOneMove P((void));
164 int LoadGameOneMove P((ChessMove readAhead));
165 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
166 int LoadPositionFromFile P((char *filename, int n, char *title));
167 int SavePositionToFile P((char *filename));
168 void ApplyMove P((int fromX, int fromY, int toX, int toY, int promoChar,
170 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
171 void ShowMove P((int fromX, int fromY, int toX, int toY));
172 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
173 /*char*/int promoChar));
174 void BackwardInner P((int target));
175 void ForwardInner P((int target));
176 int Adjudicate P((ChessProgramState *cps));
177 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
178 void EditPositionDone P((Boolean fakeRights));
179 void PrintOpponents P((FILE *fp));
180 void PrintPosition P((FILE *fp, int move));
181 void StartChessProgram P((ChessProgramState *cps));
182 void SendToProgram P((char *message, ChessProgramState *cps));
183 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
184 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
185 char *buf, int count, int error));
186 void SendTimeControl P((ChessProgramState *cps,
187 int mps, long tc, int inc, int sd, int st));
188 char *TimeControlTagValue P((void));
189 void Attention P((ChessProgramState *cps));
190 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
191 void ResurrectChessProgram P((void));
192 void DisplayComment P((int moveNumber, char *text));
193 void DisplayMove P((int moveNumber));
195 void ParseGameHistory P((char *game));
196 void ParseBoard12 P((char *string));
197 void KeepAlive P((void));
198 void StartClocks P((void));
199 void SwitchClocks P((int nr));
200 void StopClocks P((void));
201 void ResetClocks P((void));
202 char *PGNDate P((void));
203 void SetGameInfo P((void));
204 Boolean ParseFEN P((Board board, int *blackPlaysFirst, char *fen));
205 int RegisterMove P((void));
206 void MakeRegisteredMove P((void));
207 void TruncateGame P((void));
208 int looking_at P((char *, int *, char *));
209 void CopyPlayerNameIntoFileName P((char **, char *));
210 char *SavePart P((char *));
211 int SaveGameOldStyle P((FILE *));
212 int SaveGamePGN P((FILE *));
213 void GetTimeMark P((TimeMark *));
214 long SubtractTimeMarks P((TimeMark *, TimeMark *));
215 int CheckFlags P((void));
216 long NextTickLength P((long));
217 void CheckTimeControl P((void));
218 void show_bytes P((FILE *, char *, int));
219 int string_to_rating P((char *str));
220 void ParseFeatures P((char* args, ChessProgramState *cps));
221 void InitBackEnd3 P((void));
222 void FeatureDone P((ChessProgramState* cps, int val));
223 void InitChessProgram P((ChessProgramState *cps, int setup));
224 void OutputKibitz(int window, char *text);
225 int PerpetualChase(int first, int last);
226 int EngineOutputIsUp();
227 void InitDrawingSizes(int x, int y);
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
245 extern int tinyLayout, smallLayout;
246 ChessProgramStats programStats;
247 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
249 static int exiting = 0; /* [HGM] moved to top */
250 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
251 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
252 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
253 int partnerHighlight[2];
254 Boolean partnerBoardValid = 0;
255 char partnerStatus[MSG_SIZ];
257 Boolean originalFlip;
258 Boolean twoBoards = 0;
259 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
260 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
261 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
262 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
263 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
264 int opponentKibitzes;
265 int lastSavedGame; /* [HGM] save: ID of game */
266 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
267 extern int chatCount;
269 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 /* States for ics_getting_history */
273 #define H_REQUESTED 1
274 #define H_GOT_REQ_HEADER 2
275 #define H_GOT_UNREQ_HEADER 3
276 #define H_GETTING_MOVES 4
277 #define H_GOT_UNWANTED_HEADER 5
279 /* whosays values for GameEnds */
288 /* Maximum number of games in a cmail message */
289 #define CMAIL_MAX_GAMES 20
291 /* Different types of move when calling RegisterMove */
293 #define CMAIL_RESIGN 1
295 #define CMAIL_ACCEPT 3
297 /* Different types of result to remember for each game */
298 #define CMAIL_NOT_RESULT 0
299 #define CMAIL_OLD_RESULT 1
300 #define CMAIL_NEW_RESULT 2
302 /* Telnet protocol constants */
313 safeStrCpy( char *dst, const char *src, size_t count )
316 assert( dst != NULL );
317 assert( src != NULL );
320 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
321 if( i == count && dst[count-1] != NULLCHAR)
323 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
324 if(appData.debugMode)
325 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst,count);
331 /* Some compiler can't cast u64 to double
332 * This function do the job for us:
334 * We use the highest bit for cast, this only
335 * works if the highest bit is not
336 * in use (This should not happen)
338 * We used this for all compiler
341 u64ToDouble(u64 value)
344 u64 tmp = value & u64Const(0x7fffffffffffffff);
345 r = (double)(s64)tmp;
346 if (value & u64Const(0x8000000000000000))
347 r += 9.2233720368547758080e18; /* 2^63 */
351 /* Fake up flags for now, as we aren't keeping track of castling
352 availability yet. [HGM] Change of logic: the flag now only
353 indicates the type of castlings allowed by the rule of the game.
354 The actual rights themselves are maintained in the array
355 castlingRights, as part of the game history, and are not probed
361 int flags = F_ALL_CASTLE_OK;
362 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
363 switch (gameInfo.variant) {
365 flags &= ~F_ALL_CASTLE_OK;
366 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
367 flags |= F_IGNORE_CHECK;
369 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
372 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
374 case VariantKriegspiel:
375 flags |= F_KRIEGSPIEL_CAPTURE;
377 case VariantCapaRandom:
378 case VariantFischeRandom:
379 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
380 case VariantNoCastle:
381 case VariantShatranj:
384 flags &= ~F_ALL_CASTLE_OK;
392 FILE *gameFileFP, *debugFP;
395 [AS] Note: sometimes, the sscanf() function is used to parse the input
396 into a fixed-size buffer. Because of this, we must be prepared to
397 receive strings as long as the size of the input buffer, which is currently
398 set to 4K for Windows and 8K for the rest.
399 So, we must either allocate sufficiently large buffers here, or
400 reduce the size of the input buffer in the input reading part.
403 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
404 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
405 char thinkOutput1[MSG_SIZ*10];
407 ChessProgramState first, second;
409 /* premove variables */
412 int premoveFromX = 0;
413 int premoveFromY = 0;
414 int premovePromoChar = 0;
416 Boolean alarmSounded;
417 /* end premove variables */
419 char *ics_prefix = "$";
420 int ics_type = ICS_GENERIC;
422 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
423 int pauseExamForwardMostMove = 0;
424 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
425 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
426 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
427 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
428 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
429 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
430 int whiteFlag = FALSE, blackFlag = FALSE;
431 int userOfferedDraw = FALSE;
432 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
433 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
434 int cmailMoveType[CMAIL_MAX_GAMES];
435 long ics_clock_paused = 0;
436 ProcRef icsPR = NoProc, cmailPR = NoProc;
437 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
438 GameMode gameMode = BeginningOfGame;
439 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
440 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
441 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
442 int hiddenThinkOutputState = 0; /* [AS] */
443 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
444 int adjudicateLossPlies = 6;
445 char white_holding[64], black_holding[64];
446 TimeMark lastNodeCountTime;
447 long lastNodeCount=0;
448 int shiftKey; // [HGM] set by mouse handler
450 int have_sent_ICS_logon = 0;
452 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
453 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
454 long timeControl_2; /* [AS] Allow separate time controls */
455 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
456 long timeRemaining[2][MAX_MOVES];
458 TimeMark programStartTime;
459 char ics_handle[MSG_SIZ];
460 int have_set_title = 0;
462 /* animateTraining preserves the state of appData.animate
463 * when Training mode is activated. This allows the
464 * response to be animated when appData.animate == TRUE and
465 * appData.animateDragging == TRUE.
467 Boolean animateTraining;
473 Board boards[MAX_MOVES];
474 /* [HGM] Following 7 needed for accurate legality tests: */
475 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
476 signed char initialRights[BOARD_FILES];
477 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
478 int initialRulePlies, FENrulePlies;
479 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
482 int mute; // mute all sounds
484 // [HGM] vari: next 12 to save and restore variations
485 #define MAX_VARIATIONS 10
486 int framePtr = MAX_MOVES-1; // points to free stack entry
488 int savedFirst[MAX_VARIATIONS];
489 int savedLast[MAX_VARIATIONS];
490 int savedFramePtr[MAX_VARIATIONS];
491 char *savedDetails[MAX_VARIATIONS];
492 ChessMove savedResult[MAX_VARIATIONS];
494 void PushTail P((int firstMove, int lastMove));
495 Boolean PopTail P((Boolean annotate));
496 void CleanupTail P((void));
498 ChessSquare FIDEArray[2][BOARD_FILES] = {
499 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
500 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
501 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
502 BlackKing, BlackBishop, BlackKnight, BlackRook }
505 ChessSquare twoKingsArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackKing, BlackKnight, BlackRook }
512 ChessSquare KnightmateArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
514 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
515 { BlackRook, BlackMan, BlackBishop, BlackQueen,
516 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
519 ChessSquare 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 ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
5989 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
5990 /* User is moving for Black */
5991 if (WhiteOnMove(currentMove)) {
5992 DisplayMoveError(_("It is White's turn"));
5996 /* User is moving for White */
5997 if (!WhiteOnMove(currentMove)) {
5998 DisplayMoveError(_("It is Black's turn"));
6004 case IcsPlayingBlack:
6005 /* User is moving for Black */
6006 if (WhiteOnMove(currentMove)) {
6007 if (!appData.premove) {
6008 DisplayMoveError(_("It is White's turn"));
6009 } else if (toX >= 0 && toY >= 0) {
6012 premoveFromX = fromX;
6013 premoveFromY = fromY;
6014 premovePromoChar = promoChar;
6016 if (appData.debugMode)
6017 fprintf(debugFP, "Got premove: fromX %d,"
6018 "fromY %d, toX %d, toY %d\n",
6019 fromX, fromY, toX, toY);
6025 case IcsPlayingWhite:
6026 /* User is moving for White */
6027 if (!WhiteOnMove(currentMove)) {
6028 if (!appData.premove) {
6029 DisplayMoveError(_("It is Black's turn"));
6030 } else if (toX >= 0 && toY >= 0) {
6033 premoveFromX = fromX;
6034 premoveFromY = fromY;
6035 premovePromoChar = promoChar;
6037 if (appData.debugMode)
6038 fprintf(debugFP, "Got premove: fromX %d,"
6039 "fromY %d, toX %d, toY %d\n",
6040 fromX, fromY, toX, toY);
6050 /* EditPosition, empty square, or different color piece;
6051 click-click move is possible */
6052 if (toX == -2 || toY == -2) {
6053 boards[0][fromY][fromX] = EmptySquare;
6054 DrawPosition(FALSE, boards[currentMove]);
6056 } else if (toX >= 0 && toY >= 0) {
6057 boards[0][toY][toX] = boards[0][fromY][fromX];
6058 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6059 if(boards[0][fromY][0] != EmptySquare) {
6060 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6061 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6064 if(fromX == BOARD_RGHT+1) {
6065 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6066 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6067 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6070 boards[0][fromY][fromX] = EmptySquare;
6071 DrawPosition(FALSE, boards[currentMove]);
6077 if(toX < 0 || toY < 0) return;
6078 pdown = boards[currentMove][fromY][fromX];
6079 pup = boards[currentMove][toY][toX];
6081 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6082 if( fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) {
6083 if( pup != EmptySquare ) return;
6084 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6085 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6086 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6087 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6088 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6089 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6090 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6094 /* [HGM] always test for legality, to get promotion info */
6095 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6096 fromY, fromX, toY, toX, promoChar);
6097 /* [HGM] but possibly ignore an IllegalMove result */
6098 if (appData.testLegality) {
6099 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6100 DisplayMoveError(_("Illegal move"));
6105 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6108 /* Common tail of UserMoveEvent and DropMenuEvent */
6110 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6112 int fromX, fromY, toX, toY;
6113 /*char*/int promoChar;
6117 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) && promoChar != NULLCHAR) {
6118 // [HGM] superchess: suppress promotions to non-available piece
6119 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6120 if(WhiteOnMove(currentMove)) {
6121 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6123 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6127 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6128 move type in caller when we know the move is a legal promotion */
6129 if(moveType == NormalMove && promoChar)
6130 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6132 /* [HGM] <popupFix> The following if has been moved here from
6133 UserMoveEvent(). Because it seemed to belong here (why not allow
6134 piece drops in training games?), and because it can only be
6135 performed after it is known to what we promote. */
6136 if (gameMode == Training) {
6137 /* compare the move played on the board to the next move in the
6138 * game. If they match, display the move and the opponent's response.
6139 * If they don't match, display an error message.
6143 CopyBoard(testBoard, boards[currentMove]);
6144 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6146 if (CompareBoards(testBoard, boards[currentMove+1])) {
6147 ForwardInner(currentMove+1);
6149 /* Autoplay the opponent's response.
6150 * if appData.animate was TRUE when Training mode was entered,
6151 * the response will be animated.
6153 saveAnimate = appData.animate;
6154 appData.animate = animateTraining;
6155 ForwardInner(currentMove+1);
6156 appData.animate = saveAnimate;
6158 /* check for the end of the game */
6159 if (currentMove >= forwardMostMove) {
6160 gameMode = PlayFromGameFile;
6162 SetTrainingModeOff();
6163 DisplayInformation(_("End of game"));
6166 DisplayError(_("Incorrect move"), 0);
6171 /* Ok, now we know that the move is good, so we can kill
6172 the previous line in Analysis Mode */
6173 if ((gameMode == AnalyzeMode || gameMode == EditGame)
6174 && currentMove < forwardMostMove) {
6175 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6176 else forwardMostMove = currentMove;
6179 /* If we need the chess program but it's dead, restart it */
6180 ResurrectChessProgram();
6182 /* A user move restarts a paused game*/
6186 thinkOutput[0] = NULLCHAR;
6188 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6190 if(Adjudicate(NULL)) return 1; // [HGM] adjudicate: take care of automtic game end
6192 if (gameMode == BeginningOfGame) {
6193 if (appData.noChessProgram) {
6194 gameMode = EditGame;
6198 gameMode = MachinePlaysBlack;
6201 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6203 if (first.sendName) {
6204 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6205 SendToProgram(buf, &first);
6212 /* Relay move to ICS or chess engine */
6213 if (appData.icsActive) {
6214 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6215 gameMode == IcsExamining) {
6216 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6217 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6219 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6221 // also send plain move, in case ICS does not understand atomic claims
6222 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6226 if (first.sendTime && (gameMode == BeginningOfGame ||
6227 gameMode == MachinePlaysWhite ||
6228 gameMode == MachinePlaysBlack)) {
6229 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6231 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6232 // [HGM] book: if program might be playing, let it use book
6233 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6234 first.maybeThinking = TRUE;
6235 } else SendMoveToProgram(forwardMostMove-1, &first);
6236 if (currentMove == cmailOldMove + 1) {
6237 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6241 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6245 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6251 if (WhiteOnMove(currentMove)) {
6252 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6254 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6258 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6263 case MachinePlaysBlack:
6264 case MachinePlaysWhite:
6265 /* disable certain menu options while machine is thinking */
6266 SetMachineThinkingEnables();
6273 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6275 if(bookHit) { // [HGM] book: simulate book reply
6276 static char bookMove[MSG_SIZ]; // a bit generous?
6278 programStats.nodes = programStats.depth = programStats.time =
6279 programStats.score = programStats.got_only_move = 0;
6280 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6282 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6283 strcat(bookMove, bookHit);
6284 HandleMachineMove(bookMove, &first);
6290 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6297 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6298 Markers *m = (Markers *) closure;
6299 if(rf == fromY && ff == fromX)
6300 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6301 || kind == WhiteCapturesEnPassant
6302 || kind == BlackCapturesEnPassant);
6303 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6307 MarkTargetSquares(int clear)
6310 if(!appData.markers || !appData.highlightDragging ||
6311 !appData.testLegality || gameMode == EditPosition) return;
6313 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6316 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker);
6317 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6318 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6320 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6323 DrawPosition(TRUE, NULL);
6327 Explode(Board board, int fromX, int fromY, int toX, int toY)
6329 if(gameInfo.variant == VariantAtomic &&
6330 (board[toY][toX] != EmptySquare || // capture?
6331 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6332 board[fromY][fromX] == BlackPawn )
6334 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6340 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6342 void LeftClick(ClickType clickType, int xPix, int yPix)
6345 Boolean saveAnimate;
6346 static int second = 0, promotionChoice = 0, dragging = 0;
6347 char promoChoice = NULLCHAR;
6349 if(appData.seekGraph && appData.icsActive && loggedOn &&
6350 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6351 SeekGraphClick(clickType, xPix, yPix, 0);
6355 if (clickType == Press) ErrorPopDown();
6356 MarkTargetSquares(1);
6358 x = EventToSquare(xPix, BOARD_WIDTH);
6359 y = EventToSquare(yPix, BOARD_HEIGHT);
6360 if (!flipView && y >= 0) {
6361 y = BOARD_HEIGHT - 1 - y;
6363 if (flipView && x >= 0) {
6364 x = BOARD_WIDTH - 1 - x;
6367 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6368 if(clickType == Release) return; // ignore upclick of click-click destination
6369 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6370 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6371 if(gameInfo.holdingsWidth &&
6372 (WhiteOnMove(currentMove)
6373 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y > 0
6374 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT-1) ) {
6375 // click in right holdings, for determining promotion piece
6376 ChessSquare p = boards[currentMove][y][x];
6377 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6378 if(p != EmptySquare) {
6379 FinishMove(NormalMove, fromX, fromY, toX, toY, ToLower(PieceToChar(p)));
6384 DrawPosition(FALSE, boards[currentMove]);
6388 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6389 if(clickType == Press
6390 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6391 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6392 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6395 autoQueen = appData.alwaysPromoteToQueen;
6398 gatingPiece = EmptySquare;
6399 if (clickType != Press) {
6400 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6401 DragPieceEnd(xPix, yPix); dragging = 0;
6402 DrawPosition(FALSE, NULL);
6406 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE)) {
6408 if (OKToStartUserMove(x, y)) {
6412 MarkTargetSquares(0);
6413 DragPieceBegin(xPix, yPix); dragging = 1;
6414 if (appData.highlightDragging) {
6415 SetHighlights(x, y, -1, -1);
6423 if (clickType == Press && gameMode != EditPosition) {
6428 // ignore off-board to clicks
6429 if(y < 0 || x < 0) return;
6431 /* Check if clicking again on the same color piece */
6432 fromP = boards[currentMove][fromY][fromX];
6433 toP = boards[currentMove][y][x];
6434 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6435 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6436 WhitePawn <= toP && toP <= WhiteKing &&
6437 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6438 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6439 (BlackPawn <= fromP && fromP <= BlackKing &&
6440 BlackPawn <= toP && toP <= BlackKing &&
6441 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6442 !(fromP == BlackKing && toP == BlackRook && frc))) {
6443 /* Clicked again on same color piece -- changed his mind */
6444 second = (x == fromX && y == fromY);
6445 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6446 if (appData.highlightDragging) {
6447 SetHighlights(x, y, -1, -1);
6451 if (OKToStartUserMove(x, y)) {
6452 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6453 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6454 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6455 gatingPiece = boards[currentMove][fromY][fromX];
6456 else gatingPiece = EmptySquare;
6458 fromY = y; dragging = 1;
6459 MarkTargetSquares(0);
6460 DragPieceBegin(xPix, yPix);
6463 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6466 // ignore clicks on holdings
6467 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6470 if (clickType == Release && x == fromX && y == fromY) {
6471 DragPieceEnd(xPix, yPix); dragging = 0;
6472 if (appData.animateDragging) {
6473 /* Undo animation damage if any */
6474 DrawPosition(FALSE, NULL);
6477 /* Second up/down in same square; just abort move */
6480 gatingPiece = EmptySquare;
6483 ClearPremoveHighlights();
6485 /* First upclick in same square; start click-click mode */
6486 SetHighlights(x, y, -1, -1);
6491 /* we now have a different from- and (possibly off-board) to-square */
6492 /* Completed move */
6495 saveAnimate = appData.animate;
6496 if (clickType == Press) {
6497 /* Finish clickclick move */
6498 if (appData.animate || appData.highlightLastMove) {
6499 SetHighlights(fromX, fromY, toX, toY);
6504 /* Finish drag move */
6505 if (appData.highlightLastMove) {
6506 SetHighlights(fromX, fromY, toX, toY);
6510 DragPieceEnd(xPix, yPix); dragging = 0;
6511 /* Don't animate move and drag both */
6512 appData.animate = FALSE;
6515 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
6516 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
6517 ChessSquare piece = boards[currentMove][fromY][fromX];
6518 if(gameMode == EditPosition && piece != EmptySquare &&
6519 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
6522 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
6523 n = PieceToNumber(piece - (int)BlackPawn);
6524 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
6525 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
6526 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
6528 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
6529 n = PieceToNumber(piece);
6530 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
6531 boards[currentMove][n][BOARD_WIDTH-1] = piece;
6532 boards[currentMove][n][BOARD_WIDTH-2]++;
6534 boards[currentMove][fromY][fromX] = EmptySquare;
6538 DrawPosition(TRUE, boards[currentMove]);
6542 // off-board moves should not be highlighted
6543 if(x < 0 || y < 0) ClearHighlights();
6545 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
6547 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice)) {
6548 SetHighlights(fromX, fromY, toX, toY);
6549 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
6550 // [HGM] super: promotion to captured piece selected from holdings
6551 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
6552 promotionChoice = TRUE;
6553 // kludge follows to temporarily execute move on display, without promoting yet
6554 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
6555 boards[currentMove][toY][toX] = p;
6556 DrawPosition(FALSE, boards[currentMove]);
6557 boards[currentMove][fromY][fromX] = p; // take back, but display stays
6558 boards[currentMove][toY][toX] = q;
6559 DisplayMessage("Click in holdings to choose piece", "");
6564 int oldMove = currentMove;
6565 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
6566 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
6567 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
6568 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
6569 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
6570 DrawPosition(TRUE, boards[currentMove]);
6573 appData.animate = saveAnimate;
6574 if (appData.animate || appData.animateDragging) {
6575 /* Undo animation damage if needed */
6576 DrawPosition(FALSE, NULL);
6580 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
6581 { // front-end-free part taken out of PieceMenuPopup
6582 int whichMenu; int xSqr, ySqr;
6584 if(seekGraphUp) { // [HGM] seekgraph
6585 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
6586 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
6590 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
6591 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
6592 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
6593 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
6594 if(action == Press) {
6595 originalFlip = flipView;
6596 flipView = !flipView; // temporarily flip board to see game from partners perspective
6597 DrawPosition(TRUE, partnerBoard);
6598 DisplayMessage(partnerStatus, "");
6600 } else if(action == Release) {
6601 flipView = originalFlip;
6602 DrawPosition(TRUE, boards[currentMove]);
6608 xSqr = EventToSquare(x, BOARD_WIDTH);
6609 ySqr = EventToSquare(y, BOARD_HEIGHT);
6610 if (action == Release) UnLoadPV(); // [HGM] pv
6611 if (action != Press) return -2; // return code to be ignored
6614 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
\r
6616 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
\r
6617 if (xSqr < 0 || ySqr < 0) return -1;
\r
6618 whichMenu = 0; // edit-position menu
6621 if(!appData.icsEngineAnalyze) return -1;
6622 case IcsPlayingWhite:
6623 case IcsPlayingBlack:
6624 if(!appData.zippyPlay) goto noZip;
6627 case MachinePlaysWhite:
6628 case MachinePlaysBlack:
6629 case TwoMachinesPlay: // [HGM] pv: use for showing PV
6630 if (!appData.dropMenu) {
6632 return 2; // flag front-end to grab mouse events
6634 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
6635 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
6638 if (xSqr < 0 || ySqr < 0) return -1;
6639 if (!appData.dropMenu || appData.testLegality &&
6640 gameInfo.variant != VariantBughouse &&
6641 gameInfo.variant != VariantCrazyhouse) return -1;
6642 whichMenu = 1; // drop menu
6648 if (((*fromX = xSqr) < 0) ||
6649 ((*fromY = ySqr) < 0)) {
6650 *fromX = *fromY = -1;
6654 *fromX = BOARD_WIDTH - 1 - *fromX;
6656 *fromY = BOARD_HEIGHT - 1 - *fromY;
6661 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
6663 // char * hint = lastHint;
6664 FrontEndProgramStats stats;
6666 stats.which = cps == &first ? 0 : 1;
6667 stats.depth = cpstats->depth;
6668 stats.nodes = cpstats->nodes;
6669 stats.score = cpstats->score;
6670 stats.time = cpstats->time;
6671 stats.pv = cpstats->movelist;
6672 stats.hint = lastHint;
6673 stats.an_move_index = 0;
6674 stats.an_move_count = 0;
6676 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
6677 stats.hint = cpstats->move_name;
6678 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
6679 stats.an_move_count = cpstats->nr_moves;
6682 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
6684 SetProgramStats( &stats );
6688 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
6689 { // count all piece types
6691 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
6692 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
6693 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
6696 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
6697 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
6698 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
6699 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
6700 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
6701 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
6706 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
6708 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
6709 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
6711 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
6712 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
6713 if(myPawns == 2 && nMine == 3) // KPP
6714 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
6715 if(myPawns == 1 && nMine == 2) // KP
6716 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6717 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
6718 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
6719 if(myPawns) return FALSE;
6720 if(pCnt[WhiteRook+side])
6721 return pCnt[BlackRook-side] ||
6722 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
6723 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
6724 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
6725 if(pCnt[WhiteCannon+side]) {
6726 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
6727 return majorDefense || pCnt[BlackAlfil-side] >= 2;
6729 if(pCnt[WhiteKnight+side])
6730 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
6735 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
6737 VariantClass v = gameInfo.variant;
6739 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
6740 if(v == VariantShatranj) return TRUE; // always winnable through baring
6741 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
6742 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
6744 if(v == VariantXiangqi) {
6745 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
6747 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
6748 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
6749 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
6750 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
6751 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
6752 if(stale) // we have at least one last-rank P plus perhaps C
6753 return majors // KPKX
6754 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
6756 return pCnt[WhiteFerz+side] // KCAK
6757 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
6758 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
6759 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
6761 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
6762 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
6764 if(nMine == 1) return FALSE; // bare King
6765 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
6766 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
6767 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
6768 // by now we have King + 1 piece (or multiple Bishops on the same color)
6769 if(pCnt[WhiteKnight+side])
6770 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
6771 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
6772 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
6774 return (pCnt[BlackKnight-side]); // KBKN, KFKN
6775 if(pCnt[WhiteAlfil+side])
6776 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
6777 if(pCnt[WhiteWazir+side])
6778 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
6785 Adjudicate(ChessProgramState *cps)
6786 { // [HGM] some adjudications useful with buggy engines
6787 // [HGM] adjudicate: made into separate routine, which now can be called after every move
6788 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
6789 // Actually ending the game is now based on the additional internal condition canAdjudicate.
6790 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
6791 int k, count = 0; static int bare = 1;
6792 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
6793 Boolean canAdjudicate = !appData.icsActive;
6795 // most tests only when we understand the game, i.e. legality-checking on
6796 if( appData.testLegality )
6797 { /* [HGM] Some more adjudications for obstinate engines */
6798 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
6799 static int moveCount = 6;
6801 char *reason = NULL;
6803 /* Count what is on board. */
6804 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
6806 /* Some material-based adjudications that have to be made before stalemate test */
6807 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
6808 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
6809 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
6810 if(canAdjudicate && appData.checkMates) {
6812 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
6813 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6814 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
6815 "Xboard adjudication: King destroyed", GE_XBOARD );
6820 /* Bare King in Shatranj (loses) or Losers (wins) */
6821 if( nrW == 1 || nrB == 1) {
6822 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
6823 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
6824 if(canAdjudicate && appData.checkMates) {
6826 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
6827 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
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 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6841 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
6842 "Xboard adjudication: Bare king", GE_XBOARD );
6849 // don't wait for engine to announce game end if we can judge ourselves
6850 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
6852 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
6853 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
6854 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
6855 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
6858 reason = "Xboard adjudication: 3rd check";
6859 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
6869 reason = "Xboard adjudication: Stalemate";
6870 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
6871 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
6872 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
6873 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
6874 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
6875 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
6876 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
6877 EP_CHECKMATE : EP_WINS);
6878 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
6879 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
6883 reason = "Xboard adjudication: Checkmate";
6884 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
6888 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
6890 result = GameIsDrawn; break;
6892 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
6894 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
6898 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
6900 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6901 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6902 GameEnds( result, reason, GE_XBOARD );
6906 /* Next absolutely insufficient mating material. */
6907 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
6908 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
6909 { /* includes KBK, KNK, KK of KBKB with like Bishops */
6911 /* always flag draws, for judging claims */
6912 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
6914 if(canAdjudicate && appData.materialDraws) {
6915 /* but only adjudicate them if adjudication enabled */
6916 if(engineOpponent) {
6917 SendToProgram("force\n", engineOpponent); // suppress reply
6918 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
6920 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6921 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
6926 /* Then some trivial draws (only adjudicate, cannot be claimed) */
6927 if(gameInfo.variant == VariantXiangqi ?
6928 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
6930 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
6931 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
6932 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
6933 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
6935 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
6936 { /* if the first 3 moves do not show a tactical win, declare draw */
6937 if(engineOpponent) {
6938 SendToProgram("force\n", engineOpponent); // suppress reply
6939 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
6941 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6942 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
6945 } else moveCount = 6;
6947 if (appData.debugMode) { int i;
6948 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
6949 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
6950 appData.drawRepeats);
6951 for( i=forwardMostMove; i>=backwardMostMove; i-- )
6952 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
6956 // Repetition draws and 50-move rule can be applied independently of legality testing
6958 /* Check for rep-draws */
6960 for(k = forwardMostMove-2;
6961 k>=backwardMostMove && k>=forwardMostMove-100 &&
6962 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
6963 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
6966 if(CompareBoards(boards[k], boards[forwardMostMove])) {
6967 /* compare castling rights */
6968 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
6969 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
6970 rights++; /* King lost rights, while rook still had them */
6971 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
6972 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
6973 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
6974 rights++; /* but at least one rook lost them */
6976 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
6977 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
6979 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
6980 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
6981 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
6984 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
6985 && appData.drawRepeats > 1) {
6986 /* adjudicate after user-specified nr of repeats */
6987 int result = GameIsDrawn;
6988 char *details = "XBoard adjudication: repetition draw";
6989 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
6990 // [HGM] xiangqi: check for forbidden perpetuals
6991 int m, ourPerpetual = 1, hisPerpetual = 1;
6992 for(m=forwardMostMove; m>k; m-=2) {
6993 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
6994 ourPerpetual = 0; // the current mover did not always check
6995 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
6996 hisPerpetual = 0; // the opponent did not always check
6998 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
6999 ourPerpetual, hisPerpetual);
7000 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7001 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7002 details = "Xboard adjudication: perpetual checking";
7004 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7005 break; // (or we would have caught him before). Abort repetition-checking loop.
7007 // Now check for perpetual chases
7008 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7009 hisPerpetual = PerpetualChase(k, forwardMostMove);
7010 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7011 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7012 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7013 details = "Xboard adjudication: perpetual chasing";
7015 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7016 break; // Abort repetition-checking loop.
7018 // if neither of us is checking or chasing all the time, or both are, it is draw
7020 if(engineOpponent) {
7021 SendToProgram("force\n", engineOpponent); // suppress reply
7022 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7024 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7025 GameEnds( result, details, GE_XBOARD );
7028 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7029 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7033 /* Now we test for 50-move draws. Determine ply count */
7034 count = forwardMostMove;
7035 /* look for last irreversble move */
7036 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7038 /* if we hit starting position, add initial plies */
7039 if( count == backwardMostMove )
7040 count -= initialRulePlies;
7041 count = forwardMostMove - count;
7042 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7043 // adjust reversible move counter for checks in Xiangqi
7044 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7045 if(i < backwardMostMove) i = backwardMostMove;
7046 while(i <= forwardMostMove) {
7047 lastCheck = inCheck; // check evasion does not count
7048 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7049 if(inCheck || lastCheck) count--; // check does not count
7054 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7055 /* this is used to judge if draw claims are legal */
7056 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7057 if(engineOpponent) {
7058 SendToProgram("force\n", engineOpponent); // suppress reply
7059 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7061 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7062 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7066 /* if draw offer is pending, treat it as a draw claim
7067 * when draw condition present, to allow engines a way to
7068 * claim draws before making their move to avoid a race
7069 * condition occurring after their move
7071 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7073 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7074 p = "Draw claim: 50-move rule";
7075 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7076 p = "Draw claim: 3-fold repetition";
7077 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7078 p = "Draw claim: insufficient mating material";
7079 if( p != NULL && canAdjudicate) {
7080 if(engineOpponent) {
7081 SendToProgram("force\n", engineOpponent); // suppress reply
7082 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7084 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7085 GameEnds( GameIsDrawn, p, GE_XBOARD );
7090 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7091 if(engineOpponent) {
7092 SendToProgram("force\n", engineOpponent); // suppress reply
7093 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7095 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7096 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7102 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7103 { // [HGM] book: this routine intercepts moves to simulate book replies
7104 char *bookHit = NULL;
7106 //first determine if the incoming move brings opponent into his book
7107 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7108 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7109 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7110 if(bookHit != NULL && !cps->bookSuspend) {
7111 // make sure opponent is not going to reply after receiving move to book position
7112 SendToProgram("force\n", cps);
7113 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7115 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7116 // now arrange restart after book miss
7118 // after a book hit we never send 'go', and the code after the call to this routine
7119 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7121 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), bookHit); // force book move into program supposed to play it
7122 SendToProgram(buf, cps);
7123 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7124 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7125 SendToProgram("go\n", cps);
7126 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7127 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7128 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7129 SendToProgram("go\n", cps);
7130 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7132 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7136 ChessProgramState *savedState;
7137 void DeferredBookMove(void)
7139 if(savedState->lastPing != savedState->lastPong)
7140 ScheduleDelayedEvent(DeferredBookMove, 10);
7142 HandleMachineMove(savedMessage, savedState);
7146 HandleMachineMove(message, cps)
7148 ChessProgramState *cps;
7150 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7151 char realname[MSG_SIZ];
7152 int fromX, fromY, toX, toY;
7161 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7163 * Kludge to ignore BEL characters
7165 while (*message == '\007') message++;
7168 * [HGM] engine debug message: ignore lines starting with '#' character
7170 if(cps->debug && *message == '#') return;
7173 * Look for book output
7175 if (cps == &first && bookRequested) {
7176 if (message[0] == '\t' || message[0] == ' ') {
7177 /* Part of the book output is here; append it */
7178 strcat(bookOutput, message);
7179 strcat(bookOutput, " \n");
7181 } else if (bookOutput[0] != NULLCHAR) {
7182 /* All of book output has arrived; display it */
7183 char *p = bookOutput;
7184 while (*p != NULLCHAR) {
7185 if (*p == '\t') *p = ' ';
7188 DisplayInformation(bookOutput);
7189 bookRequested = FALSE;
7190 /* Fall through to parse the current output */
7195 * Look for machine move.
7197 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7198 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7200 /* This method is only useful on engines that support ping */
7201 if (cps->lastPing != cps->lastPong) {
7202 if (gameMode == BeginningOfGame) {
7203 /* Extra move from before last new; ignore */
7204 if (appData.debugMode) {
7205 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7208 if (appData.debugMode) {
7209 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7210 cps->which, gameMode);
7213 SendToProgram("undo\n", cps);
7219 case BeginningOfGame:
7220 /* Extra move from before last reset; ignore */
7221 if (appData.debugMode) {
7222 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7229 /* Extra move after we tried to stop. The mode test is
7230 not a reliable way of detecting this problem, but it's
7231 the best we can do on engines that don't support ping.
7233 if (appData.debugMode) {
7234 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7235 cps->which, gameMode);
7237 SendToProgram("undo\n", cps);
7240 case MachinePlaysWhite:
7241 case IcsPlayingWhite:
7242 machineWhite = TRUE;
7245 case MachinePlaysBlack:
7246 case IcsPlayingBlack:
7247 machineWhite = FALSE;
7250 case TwoMachinesPlay:
7251 machineWhite = (cps->twoMachinesColor[0] == 'w');
7254 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7255 if (appData.debugMode) {
7257 "Ignoring move out of turn by %s, gameMode %d"
7258 ", forwardMost %d\n",
7259 cps->which, gameMode, forwardMostMove);
7264 if (appData.debugMode) { int f = forwardMostMove;
7265 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7266 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7267 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7269 if(cps->alphaRank) AlphaRank(machineMove, 4);
7270 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7271 &fromX, &fromY, &toX, &toY, &promoChar)) {
7272 /* Machine move could not be parsed; ignore it. */
7273 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7274 machineMove, cps->which);
7275 DisplayError(buf1, 0);
7276 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7277 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7278 if (gameMode == TwoMachinesPlay) {
7279 GameEnds(machineWhite ? BlackWins : WhiteWins,
7285 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7286 /* So we have to redo legality test with true e.p. status here, */
7287 /* to make sure an illegal e.p. capture does not slip through, */
7288 /* to cause a forfeit on a justified illegal-move complaint */
7289 /* of the opponent. */
7290 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7292 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7293 fromY, fromX, toY, toX, promoChar);
7294 if (appData.debugMode) {
7296 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7297 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7298 fprintf(debugFP, "castling rights\n");
7300 if(moveType == IllegalMove) {
7301 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7302 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7303 GameEnds(machineWhite ? BlackWins : WhiteWins,
7306 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7307 /* [HGM] Kludge to handle engines that send FRC-style castling
7308 when they shouldn't (like TSCP-Gothic) */
7310 case WhiteASideCastleFR:
7311 case BlackASideCastleFR:
7313 currentMoveString[2]++;
7315 case WhiteHSideCastleFR:
7316 case BlackHSideCastleFR:
7318 currentMoveString[2]--;
7320 default: ; // nothing to do, but suppresses warning of pedantic compilers
7323 hintRequested = FALSE;
7324 lastHint[0] = NULLCHAR;
7325 bookRequested = FALSE;
7326 /* Program may be pondering now */
7327 cps->maybeThinking = TRUE;
7328 if (cps->sendTime == 2) cps->sendTime = 1;
7329 if (cps->offeredDraw) cps->offeredDraw--;
7331 /* currentMoveString is set as a side-effect of ParseOneMove */
7332 safeStrCpy(machineMove, currentMoveString, sizeof(machineMove)/sizeof(machineMove[0]));
7333 strcat(machineMove, "\n");
7334 safeStrCpy(moveList[forwardMostMove], machineMove, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
7336 /* [AS] Save move info*/
7337 pvInfoList[ forwardMostMove ].score = programStats.score;
7338 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7339 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7341 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7343 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7344 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7347 while( count < adjudicateLossPlies ) {
7348 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7351 score = -score; /* Flip score for winning side */
7354 if( score > adjudicateLossThreshold ) {
7361 if( count >= adjudicateLossPlies ) {
7362 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7364 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7365 "Xboard adjudication",
7372 if(Adjudicate(cps)) {
7373 DrawPosition(FALSE, boards[currentMove = forwardMostMove-1]);
7374 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7375 return; // [HGM] adjudicate: for all automatic game ends
7379 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7381 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7382 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7384 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7386 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7388 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7389 char buf[3*MSG_SIZ];
7391 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
7392 programStats.score / 100.,
7394 programStats.time / 100.,
7395 (unsigned int)programStats.nodes,
7396 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
7397 programStats.movelist);
7399 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
7404 /* [AS] Clear stats for next move */
7405 ClearProgramStats();
7406 thinkOutput[0] = NULLCHAR;
7407 hiddenThinkOutputState = 0;
7410 if (gameMode == TwoMachinesPlay) {
7411 /* [HGM] relaying draw offers moved to after reception of move */
7412 /* and interpreting offer as claim if it brings draw condition */
7413 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
7414 SendToProgram("draw\n", cps->other);
7416 if (cps->other->sendTime) {
7417 SendTimeRemaining(cps->other,
7418 cps->other->twoMachinesColor[0] == 'w');
7420 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
7421 if (firstMove && !bookHit) {
7423 if (cps->other->useColors) {
7424 SendToProgram(cps->other->twoMachinesColor, cps->other);
7426 SendToProgram("go\n", cps->other);
7428 cps->other->maybeThinking = TRUE;
7431 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7433 if (!pausing && appData.ringBellAfterMoves) {
7438 * Reenable menu items that were disabled while
7439 * machine was thinking
7441 if (gameMode != TwoMachinesPlay)
7442 SetUserThinkingEnables();
7444 // [HGM] book: after book hit opponent has received move and is now in force mode
7445 // force the book reply into it, and then fake that it outputted this move by jumping
7446 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
7448 static char bookMove[MSG_SIZ]; // a bit generous?
7450 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7451 strcat(bookMove, bookHit);
7454 programStats.nodes = programStats.depth = programStats.time =
7455 programStats.score = programStats.got_only_move = 0;
7456 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7458 if(cps->lastPing != cps->lastPong) {
7459 savedMessage = message; // args for deferred call
7461 ScheduleDelayedEvent(DeferredBookMove, 10);
7470 /* Set special modes for chess engines. Later something general
7471 * could be added here; for now there is just one kludge feature,
7472 * needed because Crafty 15.10 and earlier don't ignore SIGINT
7473 * when "xboard" is given as an interactive command.
7475 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
7476 cps->useSigint = FALSE;
7477 cps->useSigterm = FALSE;
7479 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
7480 ParseFeatures(message+8, cps);
7481 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
7484 if (!appData.testLegality && !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
7485 int dummy, s=6; char buf[MSG_SIZ];
7486 if(appData.icsActive || forwardMostMove != 0 || cps != &first || startedFromSetupPosition) return;
7487 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
7488 ParseFEN(boards[0], &dummy, message+s);
7489 DrawPosition(TRUE, boards[0]);
7490 startedFromSetupPosition = TRUE;
7493 /* [HGM] Allow engine to set up a position. Don't ask me why one would
7494 * want this, I was asked to put it in, and obliged.
7496 if (!strncmp(message, "setboard ", 9)) {
7497 Board initial_position;
7499 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
7501 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
7502 DisplayError(_("Bad FEN received from engine"), 0);
7506 CopyBoard(boards[0], initial_position);
7507 initialRulePlies = FENrulePlies;
7508 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
7509 else gameMode = MachinePlaysBlack;
7510 DrawPosition(FALSE, boards[currentMove]);
7516 * Look for communication commands
7518 if (!strncmp(message, "telluser ", 9)) {
7519 if(message[9] == '\\' && message[10] == '\\')
7520 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
7521 DisplayNote(message + 9);
7524 if (!strncmp(message, "tellusererror ", 14)) {
7526 if(message[14] == '\\' && message[15] == '\\')
7527 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
7528 DisplayError(message + 14, 0);
7531 if (!strncmp(message, "tellopponent ", 13)) {
7532 if (appData.icsActive) {
7534 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
7538 DisplayNote(message + 13);
7542 if (!strncmp(message, "tellothers ", 11)) {
7543 if (appData.icsActive) {
7545 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
7551 if (!strncmp(message, "tellall ", 8)) {
7552 if (appData.icsActive) {
7554 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
7558 DisplayNote(message + 8);
7562 if (strncmp(message, "warning", 7) == 0) {
7563 /* Undocumented feature, use tellusererror in new code */
7564 DisplayError(message, 0);
7567 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
7568 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
7569 strcat(realname, " query");
7570 AskQuestion(realname, buf2, buf1, cps->pr);
7573 /* Commands from the engine directly to ICS. We don't allow these to be
7574 * sent until we are logged on. Crafty kibitzes have been known to
7575 * interfere with the login process.
7578 if (!strncmp(message, "tellics ", 8)) {
7579 SendToICS(message + 8);
7583 if (!strncmp(message, "tellicsnoalias ", 15)) {
7584 SendToICS(ics_prefix);
7585 SendToICS(message + 15);
7589 /* The following are for backward compatibility only */
7590 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
7591 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
7592 SendToICS(ics_prefix);
7598 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
7602 * If the move is illegal, cancel it and redraw the board.
7603 * Also deal with other error cases. Matching is rather loose
7604 * here to accommodate engines written before the spec.
7606 if (strncmp(message + 1, "llegal move", 11) == 0 ||
7607 strncmp(message, "Error", 5) == 0) {
7608 if (StrStr(message, "name") ||
7609 StrStr(message, "rating") || StrStr(message, "?") ||
7610 StrStr(message, "result") || StrStr(message, "board") ||
7611 StrStr(message, "bk") || StrStr(message, "computer") ||
7612 StrStr(message, "variant") || StrStr(message, "hint") ||
7613 StrStr(message, "random") || StrStr(message, "depth") ||
7614 StrStr(message, "accepted")) {
7617 if (StrStr(message, "protover")) {
7618 /* Program is responding to input, so it's apparently done
7619 initializing, and this error message indicates it is
7620 protocol version 1. So we don't need to wait any longer
7621 for it to initialize and send feature commands. */
7622 FeatureDone(cps, 1);
7623 cps->protocolVersion = 1;
7626 cps->maybeThinking = FALSE;
7628 if (StrStr(message, "draw")) {
7629 /* Program doesn't have "draw" command */
7630 cps->sendDrawOffers = 0;
7633 if (cps->sendTime != 1 &&
7634 (StrStr(message, "time") || StrStr(message, "otim"))) {
7635 /* Program apparently doesn't have "time" or "otim" command */
7639 if (StrStr(message, "analyze")) {
7640 cps->analysisSupport = FALSE;
7641 cps->analyzing = FALSE;
7643 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
7644 DisplayError(buf2, 0);
7647 if (StrStr(message, "(no matching move)st")) {
7648 /* Special kludge for GNU Chess 4 only */
7649 cps->stKludge = TRUE;
7650 SendTimeControl(cps, movesPerSession, timeControl,
7651 timeIncrement, appData.searchDepth,
7655 if (StrStr(message, "(no matching move)sd")) {
7656 /* Special kludge for GNU Chess 4 only */
7657 cps->sdKludge = TRUE;
7658 SendTimeControl(cps, movesPerSession, timeControl,
7659 timeIncrement, appData.searchDepth,
7663 if (!StrStr(message, "llegal")) {
7666 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7667 gameMode == IcsIdle) return;
7668 if (forwardMostMove <= backwardMostMove) return;
7669 if (pausing) PauseEvent();
7670 if(appData.forceIllegal) {
7671 // [HGM] illegal: machine refused move; force position after move into it
7672 SendToProgram("force\n", cps);
7673 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
7674 // we have a real problem now, as SendBoard will use the a2a3 kludge
7675 // when black is to move, while there might be nothing on a2 or black
7676 // might already have the move. So send the board as if white has the move.
7677 // But first we must change the stm of the engine, as it refused the last move
7678 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
7679 if(WhiteOnMove(forwardMostMove)) {
7680 SendToProgram("a7a6\n", cps); // for the engine black still had the move
7681 SendBoard(cps, forwardMostMove); // kludgeless board
7683 SendToProgram("a2a3\n", cps); // for the engine white still had the move
7684 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
7685 SendBoard(cps, forwardMostMove+1); // kludgeless board
7687 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
7688 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
7689 gameMode == TwoMachinesPlay)
7690 SendToProgram("go\n", cps);
7693 if (gameMode == PlayFromGameFile) {
7694 /* Stop reading this game file */
7695 gameMode = EditGame;
7698 /* [HGM] illegal-move claim should forfeit game when Xboard */
7699 /* only passes fully legal moves */
7700 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
7701 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
7702 "False illegal-move claim", GE_XBOARD );
7703 return; // do not take back move we tested as valid
7705 currentMove = forwardMostMove-1;
7706 DisplayMove(currentMove-1); /* before DisplayMoveError */
7707 SwitchClocks(forwardMostMove-1); // [HGM] race
7708 DisplayBothClocks();
7709 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
7710 parseList[currentMove], cps->which);
7711 DisplayMoveError(buf1);
7712 DrawPosition(FALSE, boards[currentMove]);
7715 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
7716 /* Program has a broken "time" command that
7717 outputs a string not ending in newline.
7723 * If chess program startup fails, exit with an error message.
7724 * Attempts to recover here are futile.
7726 if ((StrStr(message, "unknown host") != NULL)
7727 || (StrStr(message, "No remote directory") != NULL)
7728 || (StrStr(message, "not found") != NULL)
7729 || (StrStr(message, "No such file") != NULL)
7730 || (StrStr(message, "can't alloc") != NULL)
7731 || (StrStr(message, "Permission denied") != NULL)) {
7733 cps->maybeThinking = FALSE;
7734 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
7735 cps->which, cps->program, cps->host, message);
7736 RemoveInputSource(cps->isr);
7737 DisplayFatalError(buf1, 0, 1);
7742 * Look for hint output
7744 if (sscanf(message, "Hint: %s", buf1) == 1) {
7745 if (cps == &first && hintRequested) {
7746 hintRequested = FALSE;
7747 if (ParseOneMove(buf1, forwardMostMove, &moveType,
7748 &fromX, &fromY, &toX, &toY, &promoChar)) {
7749 (void) CoordsToAlgebraic(boards[forwardMostMove],
7750 PosFlags(forwardMostMove),
7751 fromY, fromX, toY, toX, promoChar, buf1);
7752 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
7753 DisplayInformation(buf2);
7755 /* Hint move could not be parsed!? */
7756 snprintf(buf2, sizeof(buf2),
7757 _("Illegal hint move \"%s\"\nfrom %s chess program"),
7759 DisplayError(buf2, 0);
7762 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
7768 * Ignore other messages if game is not in progress
7770 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
7771 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
7774 * look for win, lose, draw, or draw offer
7776 if (strncmp(message, "1-0", 3) == 0) {
7777 char *p, *q, *r = "";
7778 p = strchr(message, '{');
7786 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
7788 } else if (strncmp(message, "0-1", 3) == 0) {
7789 char *p, *q, *r = "";
7790 p = strchr(message, '{');
7798 /* Kludge for Arasan 4.1 bug */
7799 if (strcmp(r, "Black resigns") == 0) {
7800 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
7803 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
7805 } else if (strncmp(message, "1/2", 3) == 0) {
7806 char *p, *q, *r = "";
7807 p = strchr(message, '{');
7816 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
7819 } else if (strncmp(message, "White resign", 12) == 0) {
7820 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7822 } else if (strncmp(message, "Black resign", 12) == 0) {
7823 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7825 } else if (strncmp(message, "White matches", 13) == 0 ||
7826 strncmp(message, "Black matches", 13) == 0 ) {
7827 /* [HGM] ignore GNUShogi noises */
7829 } else if (strncmp(message, "White", 5) == 0 &&
7830 message[5] != '(' &&
7831 StrStr(message, "Black") == NULL) {
7832 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7834 } else if (strncmp(message, "Black", 5) == 0 &&
7835 message[5] != '(') {
7836 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7838 } else if (strcmp(message, "resign") == 0 ||
7839 strcmp(message, "computer resigns") == 0) {
7841 case MachinePlaysBlack:
7842 case IcsPlayingBlack:
7843 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
7845 case MachinePlaysWhite:
7846 case IcsPlayingWhite:
7847 GameEnds(BlackWins, "White resigns", GE_ENGINE);
7849 case TwoMachinesPlay:
7850 if (cps->twoMachinesColor[0] == 'w')
7851 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
7853 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
7860 } else if (strncmp(message, "opponent mates", 14) == 0) {
7862 case MachinePlaysBlack:
7863 case IcsPlayingBlack:
7864 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7866 case MachinePlaysWhite:
7867 case IcsPlayingWhite:
7868 GameEnds(BlackWins, "Black mates", GE_ENGINE);
7870 case TwoMachinesPlay:
7871 if (cps->twoMachinesColor[0] == 'w')
7872 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7874 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7881 } else if (strncmp(message, "computer mates", 14) == 0) {
7883 case MachinePlaysBlack:
7884 case IcsPlayingBlack:
7885 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
7887 case MachinePlaysWhite:
7888 case IcsPlayingWhite:
7889 GameEnds(WhiteWins, "White mates", GE_ENGINE);
7891 case TwoMachinesPlay:
7892 if (cps->twoMachinesColor[0] == 'w')
7893 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7895 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7902 } else if (strncmp(message, "checkmate", 9) == 0) {
7903 if (WhiteOnMove(forwardMostMove)) {
7904 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
7906 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
7909 } else if (strstr(message, "Draw") != NULL ||
7910 strstr(message, "game is a draw") != NULL) {
7911 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
7913 } else if (strstr(message, "offer") != NULL &&
7914 strstr(message, "draw") != NULL) {
7916 if (appData.zippyPlay && first.initDone) {
7917 /* Relay offer to ICS */
7918 SendToICS(ics_prefix);
7919 SendToICS("draw\n");
7922 cps->offeredDraw = 2; /* valid until this engine moves twice */
7923 if (gameMode == TwoMachinesPlay) {
7924 if (cps->other->offeredDraw) {
7925 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7926 /* [HGM] in two-machine mode we delay relaying draw offer */
7927 /* until after we also have move, to see if it is really claim */
7929 } else if (gameMode == MachinePlaysWhite ||
7930 gameMode == MachinePlaysBlack) {
7931 if (userOfferedDraw) {
7932 DisplayInformation(_("Machine accepts your draw offer"));
7933 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
7935 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
7942 * Look for thinking output
7944 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
7945 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
7947 int plylev, mvleft, mvtot, curscore, time;
7948 char mvname[MOVE_LEN];
7952 int prefixHint = FALSE;
7953 mvname[0] = NULLCHAR;
7956 case MachinePlaysBlack:
7957 case IcsPlayingBlack:
7958 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7960 case MachinePlaysWhite:
7961 case IcsPlayingWhite:
7962 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
7967 case IcsObserving: /* [DM] icsEngineAnalyze */
7968 if (!appData.icsEngineAnalyze) ignore = TRUE;
7970 case TwoMachinesPlay:
7971 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
7981 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
7983 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
7984 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
7986 if (plyext != ' ' && plyext != '\t') {
7990 /* [AS] Negate score if machine is playing black and reporting absolute scores */
7991 if( cps->scoreIsAbsolute &&
7992 ( gameMode == MachinePlaysBlack ||
7993 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
7994 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
7995 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
7996 !WhiteOnMove(currentMove)
7999 curscore = -curscore;
8003 tempStats.depth = plylev;
8004 tempStats.nodes = nodes;
8005 tempStats.time = time;
8006 tempStats.score = curscore;
8007 tempStats.got_only_move = 0;
8009 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8012 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8013 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8014 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8015 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8016 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8017 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8018 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8019 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8022 /* Buffer overflow protection */
8023 if (buf1[0] != NULLCHAR) {
8024 if (strlen(buf1) >= sizeof(tempStats.movelist)
8025 && appData.debugMode) {
8027 "PV is too long; using the first %u bytes.\n",
8028 (unsigned) sizeof(tempStats.movelist) - 1);
8031 safeStrCpy( tempStats.movelist, buf1, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8033 sprintf(tempStats.movelist, " no PV\n");
8036 if (tempStats.seen_stat) {
8037 tempStats.ok_to_send = 1;
8040 if (strchr(tempStats.movelist, '(') != NULL) {
8041 tempStats.line_is_book = 1;
8042 tempStats.nr_moves = 0;
8043 tempStats.moves_left = 0;
8045 tempStats.line_is_book = 0;
8048 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8049 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8051 SendProgramStatsToFrontend( cps, &tempStats );
8054 [AS] Protect the thinkOutput buffer from overflow... this
8055 is only useful if buf1 hasn't overflowed first!
8057 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8059 (gameMode == TwoMachinesPlay ?
8060 ToUpper(cps->twoMachinesColor[0]) : ' '),
8061 ((double) curscore) / 100.0,
8062 prefixHint ? lastHint : "",
8063 prefixHint ? " " : "" );
8065 if( buf1[0] != NULLCHAR ) {
8066 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8068 if( strlen(buf1) > max_len ) {
8069 if( appData.debugMode) {
8070 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8072 buf1[max_len+1] = '\0';
8075 strcat( thinkOutput, buf1 );
8078 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8079 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8080 DisplayMove(currentMove - 1);
8084 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8085 /* crafty (9.25+) says "(only move) <move>"
8086 * if there is only 1 legal move
8088 sscanf(p, "(only move) %s", buf1);
8089 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8090 sprintf(programStats.movelist, "%s (only move)", buf1);
8091 programStats.depth = 1;
8092 programStats.nr_moves = 1;
8093 programStats.moves_left = 1;
8094 programStats.nodes = 1;
8095 programStats.time = 1;
8096 programStats.got_only_move = 1;
8098 /* Not really, but we also use this member to
8099 mean "line isn't going to change" (Crafty
8100 isn't searching, so stats won't change) */
8101 programStats.line_is_book = 1;
8103 SendProgramStatsToFrontend( cps, &programStats );
8105 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8106 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8107 DisplayMove(currentMove - 1);
8110 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8111 &time, &nodes, &plylev, &mvleft,
8112 &mvtot, mvname) >= 5) {
8113 /* The stat01: line is from Crafty (9.29+) in response
8114 to the "." command */
8115 programStats.seen_stat = 1;
8116 cps->maybeThinking = TRUE;
8118 if (programStats.got_only_move || !appData.periodicUpdates)
8121 programStats.depth = plylev;
8122 programStats.time = time;
8123 programStats.nodes = nodes;
8124 programStats.moves_left = mvleft;
8125 programStats.nr_moves = mvtot;
8126 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8127 programStats.ok_to_send = 1;
8128 programStats.movelist[0] = '\0';
8130 SendProgramStatsToFrontend( cps, &programStats );
8134 } else if (strncmp(message,"++",2) == 0) {
8135 /* Crafty 9.29+ outputs this */
8136 programStats.got_fail = 2;
8139 } else if (strncmp(message,"--",2) == 0) {
8140 /* Crafty 9.29+ outputs this */
8141 programStats.got_fail = 1;
8144 } else if (thinkOutput[0] != NULLCHAR &&
8145 strncmp(message, " ", 4) == 0) {
8146 unsigned message_len;
8149 while (*p && *p == ' ') p++;
8151 message_len = strlen( p );
8153 /* [AS] Avoid buffer overflow */
8154 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8155 strcat(thinkOutput, " ");
8156 strcat(thinkOutput, p);
8159 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8160 strcat(programStats.movelist, " ");
8161 strcat(programStats.movelist, p);
8164 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8165 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8166 DisplayMove(currentMove - 1);
8174 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8175 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8177 ChessProgramStats cpstats;
8179 if (plyext != ' ' && plyext != '\t') {
8183 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8184 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8185 curscore = -curscore;
8188 cpstats.depth = plylev;
8189 cpstats.nodes = nodes;
8190 cpstats.time = time;
8191 cpstats.score = curscore;
8192 cpstats.got_only_move = 0;
8193 cpstats.movelist[0] = '\0';
8195 if (buf1[0] != NULLCHAR) {
8196 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8199 cpstats.ok_to_send = 0;
8200 cpstats.line_is_book = 0;
8201 cpstats.nr_moves = 0;
8202 cpstats.moves_left = 0;
8204 SendProgramStatsToFrontend( cps, &cpstats );
8211 /* Parse a game score from the character string "game", and
8212 record it as the history of the current game. The game
8213 score is NOT assumed to start from the standard position.
8214 The display is not updated in any way.
8217 ParseGameHistory(game)
8221 int fromX, fromY, toX, toY, boardIndex;
8226 if (appData.debugMode)
8227 fprintf(debugFP, "Parsing game history: %s\n", game);
8229 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8230 gameInfo.site = StrSave(appData.icsHost);
8231 gameInfo.date = PGNDate();
8232 gameInfo.round = StrSave("-");
8234 /* Parse out names of players */
8235 while (*game == ' ') game++;
8237 while (*game != ' ') *p++ = *game++;
8239 gameInfo.white = StrSave(buf);
8240 while (*game == ' ') game++;
8242 while (*game != ' ' && *game != '\n') *p++ = *game++;
8244 gameInfo.black = StrSave(buf);
8247 boardIndex = blackPlaysFirst ? 1 : 0;
8250 yyboardindex = boardIndex;
8251 moveType = (ChessMove) Myylex();
8253 case IllegalMove: /* maybe suicide chess, etc. */
8254 if (appData.debugMode) {
8255 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8256 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8257 setbuf(debugFP, NULL);
8259 case WhitePromotion:
8260 case BlackPromotion:
8261 case WhiteNonPromotion:
8262 case BlackNonPromotion:
8264 case WhiteCapturesEnPassant:
8265 case BlackCapturesEnPassant:
8266 case WhiteKingSideCastle:
8267 case WhiteQueenSideCastle:
8268 case BlackKingSideCastle:
8269 case BlackQueenSideCastle:
8270 case WhiteKingSideCastleWild:
8271 case WhiteQueenSideCastleWild:
8272 case BlackKingSideCastleWild:
8273 case BlackQueenSideCastleWild:
8275 case WhiteHSideCastleFR:
8276 case WhiteASideCastleFR:
8277 case BlackHSideCastleFR:
8278 case BlackASideCastleFR:
8280 fromX = currentMoveString[0] - AAA;
8281 fromY = currentMoveString[1] - ONE;
8282 toX = currentMoveString[2] - AAA;
8283 toY = currentMoveString[3] - ONE;
8284 promoChar = currentMoveString[4];
8288 fromX = moveType == WhiteDrop ?
8289 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8290 (int) CharToPiece(ToLower(currentMoveString[0]));
8292 toX = currentMoveString[2] - AAA;
8293 toY = currentMoveString[3] - ONE;
8294 promoChar = NULLCHAR;
8298 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8299 if (appData.debugMode) {
8300 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8301 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8302 setbuf(debugFP, NULL);
8304 DisplayError(buf, 0);
8306 case ImpossibleMove:
8308 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8309 if (appData.debugMode) {
8310 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8311 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8312 setbuf(debugFP, NULL);
8314 DisplayError(buf, 0);
8317 if (boardIndex < backwardMostMove) {
8318 /* Oops, gap. How did that happen? */
8319 DisplayError(_("Gap in move list"), 0);
8322 backwardMostMove = blackPlaysFirst ? 1 : 0;
8323 if (boardIndex > forwardMostMove) {
8324 forwardMostMove = boardIndex;
8328 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8329 strcat(parseList[boardIndex-1], " ");
8330 strcat(parseList[boardIndex-1], yy_text);
8342 case GameUnfinished:
8343 if (gameMode == IcsExamining) {
8344 if (boardIndex < backwardMostMove) {
8345 /* Oops, gap. How did that happen? */
8348 backwardMostMove = blackPlaysFirst ? 1 : 0;
8351 gameInfo.result = moveType;
8352 p = strchr(yy_text, '{');
8353 if (p == NULL) p = strchr(yy_text, '(');
8356 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8358 q = strchr(p, *p == '{' ? '}' : ')');
8359 if (q != NULL) *q = NULLCHAR;
8362 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8363 gameInfo.resultDetails = StrSave(p);
8366 if (boardIndex >= forwardMostMove &&
8367 !(gameMode == IcsObserving && ics_gamenum == -1)) {
8368 backwardMostMove = blackPlaysFirst ? 1 : 0;
8371 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
8372 fromY, fromX, toY, toX, promoChar,
8373 parseList[boardIndex]);
8374 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
8375 /* currentMoveString is set as a side-effect of yylex */
8376 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
8377 strcat(moveList[boardIndex], "\n");
8379 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
8380 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
8386 if(gameInfo.variant != VariantShogi)
8387 strcat(parseList[boardIndex - 1], "+");
8391 strcat(parseList[boardIndex - 1], "#");
8398 /* Apply a move to the given board */
8400 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
8401 int fromX, fromY, toX, toY;
8405 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
8406 int promoRank = gameInfo.variant == VariantMakruk ? 3 : 1;
8408 /* [HGM] compute & store e.p. status and castling rights for new position */
8409 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
8411 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
8412 oldEP = (signed char)board[EP_STATUS];
8413 board[EP_STATUS] = EP_NONE;
8415 if( board[toY][toX] != EmptySquare )
8416 board[EP_STATUS] = EP_CAPTURE;
8418 if (fromY == DROP_RANK) {
8420 piece = board[toY][toX] = (ChessSquare) fromX;
8424 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
8425 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
8426 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
8428 if( board[fromY][fromX] == WhitePawn ) {
8429 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8430 board[EP_STATUS] = EP_PAWN_MOVE;
8432 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
8433 gameInfo.variant != VariantBerolina || toX < fromX)
8434 board[EP_STATUS] = toX | berolina;
8435 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
8436 gameInfo.variant != VariantBerolina || toX > fromX)
8437 board[EP_STATUS] = toX;
8440 if( board[fromY][fromX] == BlackPawn ) {
8441 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
8442 board[EP_STATUS] = EP_PAWN_MOVE;
8443 if( toY-fromY== -2) {
8444 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
8445 gameInfo.variant != VariantBerolina || toX < fromX)
8446 board[EP_STATUS] = toX | berolina;
8447 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
8448 gameInfo.variant != VariantBerolina || toX > fromX)
8449 board[EP_STATUS] = toX;
8453 for(i=0; i<nrCastlingRights; i++) {
8454 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
8455 board[CASTLING][i] == toX && castlingRank[i] == toY
8456 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
8459 if (fromX == toX && fromY == toY) return;
8461 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
8462 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
8463 if(gameInfo.variant == VariantKnightmate)
8464 king += (int) WhiteUnicorn - (int) WhiteKing;
8466 /* Code added by Tord: */
8467 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
8468 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
8469 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
8470 board[fromY][fromX] = EmptySquare;
8471 board[toY][toX] = EmptySquare;
8472 if((toX > fromX) != (piece == WhiteRook)) {
8473 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
8475 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
8477 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
8478 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
8479 board[fromY][fromX] = EmptySquare;
8480 board[toY][toX] = EmptySquare;
8481 if((toX > fromX) != (piece == BlackRook)) {
8482 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
8484 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
8486 /* End of code added by Tord */
8488 } else if (board[fromY][fromX] == king
8489 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8490 && toY == fromY && toX > fromX+1) {
8491 board[fromY][fromX] = EmptySquare;
8492 board[toY][toX] = king;
8493 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8494 board[fromY][BOARD_RGHT-1] = EmptySquare;
8495 } else if (board[fromY][fromX] == king
8496 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8497 && toY == fromY && toX < fromX-1) {
8498 board[fromY][fromX] = EmptySquare;
8499 board[toY][toX] = king;
8500 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8501 board[fromY][BOARD_LEFT] = EmptySquare;
8502 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
8503 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8504 && toY >= BOARD_HEIGHT-promoRank
8506 /* white pawn promotion */
8507 board[toY][toX] = CharToPiece(ToUpper(promoChar));
8508 if (board[toY][toX] == EmptySquare) {
8509 board[toY][toX] = WhiteQueen;
8511 if(gameInfo.variant==VariantBughouse ||
8512 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8513 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8514 board[fromY][fromX] = EmptySquare;
8515 } else if ((fromY == BOARD_HEIGHT-4)
8517 && gameInfo.variant != VariantXiangqi
8518 && gameInfo.variant != VariantBerolina
8519 && (board[fromY][fromX] == WhitePawn)
8520 && (board[toY][toX] == EmptySquare)) {
8521 board[fromY][fromX] = EmptySquare;
8522 board[toY][toX] = WhitePawn;
8523 captured = board[toY - 1][toX];
8524 board[toY - 1][toX] = EmptySquare;
8525 } else if ((fromY == BOARD_HEIGHT-4)
8527 && gameInfo.variant == VariantBerolina
8528 && (board[fromY][fromX] == WhitePawn)
8529 && (board[toY][toX] == EmptySquare)) {
8530 board[fromY][fromX] = EmptySquare;
8531 board[toY][toX] = WhitePawn;
8532 if(oldEP & EP_BEROLIN_A) {
8533 captured = board[fromY][fromX-1];
8534 board[fromY][fromX-1] = EmptySquare;
8535 }else{ captured = board[fromY][fromX+1];
8536 board[fromY][fromX+1] = EmptySquare;
8538 } else if (board[fromY][fromX] == king
8539 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8540 && toY == fromY && toX > fromX+1) {
8541 board[fromY][fromX] = EmptySquare;
8542 board[toY][toX] = king;
8543 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
8544 board[fromY][BOARD_RGHT-1] = EmptySquare;
8545 } else if (board[fromY][fromX] == king
8546 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
8547 && toY == fromY && toX < fromX-1) {
8548 board[fromY][fromX] = EmptySquare;
8549 board[toY][toX] = king;
8550 board[toY][toX+1] = board[fromY][BOARD_LEFT];
8551 board[fromY][BOARD_LEFT] = EmptySquare;
8552 } else if (fromY == 7 && fromX == 3
8553 && board[fromY][fromX] == BlackKing
8554 && toY == 7 && toX == 5) {
8555 board[fromY][fromX] = EmptySquare;
8556 board[toY][toX] = BlackKing;
8557 board[fromY][7] = EmptySquare;
8558 board[toY][4] = BlackRook;
8559 } else if (fromY == 7 && fromX == 3
8560 && board[fromY][fromX] == BlackKing
8561 && toY == 7 && toX == 1) {
8562 board[fromY][fromX] = EmptySquare;
8563 board[toY][toX] = BlackKing;
8564 board[fromY][0] = EmptySquare;
8565 board[toY][2] = BlackRook;
8566 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
8567 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
8570 /* black pawn promotion */
8571 board[toY][toX] = CharToPiece(ToLower(promoChar));
8572 if (board[toY][toX] == EmptySquare) {
8573 board[toY][toX] = BlackQueen;
8575 if(gameInfo.variant==VariantBughouse ||
8576 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
8577 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
8578 board[fromY][fromX] = EmptySquare;
8579 } else if ((fromY == 3)
8581 && gameInfo.variant != VariantXiangqi
8582 && gameInfo.variant != VariantBerolina
8583 && (board[fromY][fromX] == BlackPawn)
8584 && (board[toY][toX] == EmptySquare)) {
8585 board[fromY][fromX] = EmptySquare;
8586 board[toY][toX] = BlackPawn;
8587 captured = board[toY + 1][toX];
8588 board[toY + 1][toX] = EmptySquare;
8589 } else if ((fromY == 3)
8591 && gameInfo.variant == VariantBerolina
8592 && (board[fromY][fromX] == BlackPawn)
8593 && (board[toY][toX] == EmptySquare)) {
8594 board[fromY][fromX] = EmptySquare;
8595 board[toY][toX] = BlackPawn;
8596 if(oldEP & EP_BEROLIN_A) {
8597 captured = board[fromY][fromX-1];
8598 board[fromY][fromX-1] = EmptySquare;
8599 }else{ captured = board[fromY][fromX+1];
8600 board[fromY][fromX+1] = EmptySquare;
8603 board[toY][toX] = board[fromY][fromX];
8604 board[fromY][fromX] = EmptySquare;
8608 if (gameInfo.holdingsWidth != 0) {
8610 /* !!A lot more code needs to be written to support holdings */
8611 /* [HGM] OK, so I have written it. Holdings are stored in the */
8612 /* penultimate board files, so they are automaticlly stored */
8613 /* in the game history. */
8614 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
8615 && promoChar && piece != WhitePawn && piece != BlackPawn) {
8616 /* Delete from holdings, by decreasing count */
8617 /* and erasing image if necessary */
8618 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
8619 if(p < (int) BlackPawn) { /* white drop */
8620 p -= (int)WhitePawn;
8621 p = PieceToNumber((ChessSquare)p);
8622 if(p >= gameInfo.holdingsSize) p = 0;
8623 if(--board[p][BOARD_WIDTH-2] <= 0)
8624 board[p][BOARD_WIDTH-1] = EmptySquare;
8625 if((int)board[p][BOARD_WIDTH-2] < 0)
8626 board[p][BOARD_WIDTH-2] = 0;
8627 } else { /* black drop */
8628 p -= (int)BlackPawn;
8629 p = PieceToNumber((ChessSquare)p);
8630 if(p >= gameInfo.holdingsSize) p = 0;
8631 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
8632 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
8633 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
8634 board[BOARD_HEIGHT-1-p][1] = 0;
8637 if (captured != EmptySquare && gameInfo.holdingsSize > 0
8638 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
8639 /* [HGM] holdings: Add to holdings, if holdings exist */
8640 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat) {
8641 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
8642 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
8645 if (p >= (int) BlackPawn) {
8646 p -= (int)BlackPawn;
8647 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8648 /* in Shogi restore piece to its original first */
8649 captured = (ChessSquare) (DEMOTED captured);
8652 p = PieceToNumber((ChessSquare)p);
8653 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
8654 board[p][BOARD_WIDTH-2]++;
8655 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
8657 p -= (int)WhitePawn;
8658 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
8659 captured = (ChessSquare) (DEMOTED captured);
8662 p = PieceToNumber((ChessSquare)p);
8663 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
8664 board[BOARD_HEIGHT-1-p][1]++;
8665 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
8668 } else if (gameInfo.variant == VariantAtomic) {
8669 if (captured != EmptySquare) {
8671 for (y = toY-1; y <= toY+1; y++) {
8672 for (x = toX-1; x <= toX+1; x++) {
8673 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
8674 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
8675 board[y][x] = EmptySquare;
8679 board[toY][toX] = EmptySquare;
8682 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
8683 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
8685 if(promoChar == '+') {
8686 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
8687 board[toY][toX] = (ChessSquare) (PROMOTED piece);
8688 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
8689 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
8691 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
8692 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
8693 // [HGM] superchess: take promotion piece out of holdings
8694 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
8695 if((int)piece < (int)BlackPawn) { // determine stm from piece color
8696 if(!--board[k][BOARD_WIDTH-2])
8697 board[k][BOARD_WIDTH-1] = EmptySquare;
8699 if(!--board[BOARD_HEIGHT-1-k][1])
8700 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
8706 /* Updates forwardMostMove */
8708 MakeMove(fromX, fromY, toX, toY, promoChar)
8709 int fromX, fromY, toX, toY;
8712 // forwardMostMove++; // [HGM] bare: moved downstream
8714 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
8715 int timeLeft; static int lastLoadFlag=0; int king, piece;
8716 piece = boards[forwardMostMove][fromY][fromX];
8717 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
8718 if(gameInfo.variant == VariantKnightmate)
8719 king += (int) WhiteUnicorn - (int) WhiteKing;
8720 if(forwardMostMove == 0) {
8722 fprintf(serverMoves, "%s;", second.tidy);
8723 fprintf(serverMoves, "%s;", first.tidy);
8724 if(!blackPlaysFirst)
8725 fprintf(serverMoves, "%s;", second.tidy);
8726 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
8727 lastLoadFlag = loadFlag;
8729 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
8730 // print castling suffix
8731 if( toY == fromY && piece == king ) {
8733 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
8735 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
8738 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
8739 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
8740 boards[forwardMostMove][toY][toX] == EmptySquare
8741 && fromX != toX && fromY != toY)
8742 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
8744 if(promoChar != NULLCHAR)
8745 fprintf(serverMoves, ":%c:%c%c", promoChar, AAA+toX, ONE+toY);
8747 fprintf(serverMoves, "/%d/%d",
8748 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
8749 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
8750 else timeLeft = blackTimeRemaining/1000;
8751 fprintf(serverMoves, "/%d", timeLeft);
8753 fflush(serverMoves);
8756 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations
8757 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
8761 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
8762 if (commentList[forwardMostMove+1] != NULL) {
8763 free(commentList[forwardMostMove+1]);
8764 commentList[forwardMostMove+1] = NULL;
8766 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8767 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
8768 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
8769 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
8770 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
8771 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
8772 gameInfo.result = GameUnfinished;
8773 if (gameInfo.resultDetails != NULL) {
8774 free(gameInfo.resultDetails);
8775 gameInfo.resultDetails = NULL;
8777 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
8778 moveList[forwardMostMove - 1]);
8779 (void) CoordsToAlgebraic(boards[forwardMostMove - 1],
8780 PosFlags(forwardMostMove - 1),
8781 fromY, fromX, toY, toX, promoChar,
8782 parseList[forwardMostMove - 1]);
8783 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8789 if(gameInfo.variant != VariantShogi)
8790 strcat(parseList[forwardMostMove - 1], "+");
8794 strcat(parseList[forwardMostMove - 1], "#");
8797 if (appData.debugMode) {
8798 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
8803 /* Updates currentMove if not pausing */
8805 ShowMove(fromX, fromY, toX, toY)
8807 int instant = (gameMode == PlayFromGameFile) ?
8808 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
8809 if(appData.noGUI) return;
8810 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
8812 if (forwardMostMove == currentMove + 1) {
8813 AnimateMove(boards[forwardMostMove - 1],
8814 fromX, fromY, toX, toY);
8816 if (appData.highlightLastMove) {
8817 SetHighlights(fromX, fromY, toX, toY);
8820 currentMove = forwardMostMove;
8823 if (instant) return;
8825 DisplayMove(currentMove - 1);
8826 DrawPosition(FALSE, boards[currentMove]);
8827 DisplayBothClocks();
8828 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
8831 void SendEgtPath(ChessProgramState *cps)
8832 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
8833 char buf[MSG_SIZ], name[MSG_SIZ], *p;
8835 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
8838 char c, *q = name+1, *r, *s;
8840 name[0] = ','; // extract next format name from feature and copy with prefixed ','
8841 while(*p && *p != ',') *q++ = *p++;
8843 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
8844 strcmp(name, ",nalimov:") == 0 ) {
8845 // take nalimov path from the menu-changeable option first, if it is defined
8846 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
8847 SendToProgram(buf,cps); // send egtbpath command for nalimov
8849 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
8850 (s = StrStr(appData.egtFormats, name)) != NULL) {
8851 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
8852 s = r = StrStr(s, ":") + 1; // beginning of path info
8853 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
8854 c = *r; *r = 0; // temporarily null-terminate path info
8855 *--q = 0; // strip of trailig ':' from name
8856 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
8858 SendToProgram(buf,cps); // send egtbpath command for this format
8860 if(*p == ',') p++; // read away comma to position for next format name
8865 InitChessProgram(cps, setup)
8866 ChessProgramState *cps;
8867 int setup; /* [HGM] needed to setup FRC opening position */
8869 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
8870 if (appData.noChessProgram) return;
8871 hintRequested = FALSE;
8872 bookRequested = FALSE;
8874 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
8875 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
8876 if(cps->memSize) { /* [HGM] memory */
8877 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
8878 SendToProgram(buf, cps);
8880 SendEgtPath(cps); /* [HGM] EGT */
8881 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
8882 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
8883 SendToProgram(buf, cps);
8886 SendToProgram(cps->initString, cps);
8887 if (gameInfo.variant != VariantNormal &&
8888 gameInfo.variant != VariantLoadable
8889 /* [HGM] also send variant if board size non-standard */
8890 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
8892 char *v = VariantName(gameInfo.variant);
8893 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
8894 /* [HGM] in protocol 1 we have to assume all variants valid */
8895 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
8896 DisplayFatalError(buf, 0, 1);
8900 /* [HGM] make prefix for non-standard board size. Awkward testing... */
8901 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8902 if( gameInfo.variant == VariantXiangqi )
8903 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
8904 if( gameInfo.variant == VariantShogi )
8905 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
8906 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
8907 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
8908 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
8909 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon )
8910 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8911 if( gameInfo.variant == VariantCourier )
8912 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
8913 if( gameInfo.variant == VariantSuper )
8914 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8915 if( gameInfo.variant == VariantGreat )
8916 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
8917 if( gameInfo.variant == VariantSChess )
8918 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
8921 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
8922 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
8923 /* [HGM] varsize: try first if this defiant size variant is specifically known */
8924 if(StrStr(cps->variants, b) == NULL) {
8925 // specific sized variant not known, check if general sizing allowed
8926 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
8927 if(StrStr(cps->variants, "boardsize") == NULL) {
8928 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
8929 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
8930 DisplayFatalError(buf, 0, 1);
8933 /* [HGM] here we really should compare with the maximum supported board size */
8936 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
8937 snprintf(buf, MSG_SIZ, "variant %s\n", b);
8938 SendToProgram(buf, cps);
8940 currentlyInitializedVariant = gameInfo.variant;
8942 /* [HGM] send opening position in FRC to first engine */
8944 SendToProgram("force\n", cps);
8946 /* engine is now in force mode! Set flag to wake it up after first move. */
8947 setboardSpoiledMachineBlack = 1;
8951 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
8952 SendToProgram(buf, cps);
8954 cps->maybeThinking = FALSE;
8955 cps->offeredDraw = 0;
8956 if (!appData.icsActive) {
8957 SendTimeControl(cps, movesPerSession, timeControl,
8958 timeIncrement, appData.searchDepth,
8961 if (appData.showThinking
8962 // [HGM] thinking: four options require thinking output to be sent
8963 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8965 SendToProgram("post\n", cps);
8967 SendToProgram("hard\n", cps);
8968 if (!appData.ponderNextMove) {
8969 /* Warning: "easy" is a toggle in GNU Chess, so don't send
8970 it without being sure what state we are in first. "hard"
8971 is not a toggle, so that one is OK.
8973 SendToProgram("easy\n", cps);
8976 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
8977 SendToProgram(buf, cps);
8979 cps->initDone = TRUE;
8984 StartChessProgram(cps)
8985 ChessProgramState *cps;
8990 if (appData.noChessProgram) return;
8991 cps->initDone = FALSE;
8993 if (strcmp(cps->host, "localhost") == 0) {
8994 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
8995 } else if (*appData.remoteShell == NULLCHAR) {
8996 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
8998 if (*appData.remoteUser == NULLCHAR) {
8999 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9002 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9003 cps->host, appData.remoteUser, cps->program);
9005 err = StartChildProcess(buf, "", &cps->pr);
9009 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9010 DisplayFatalError(buf, err, 1);
9016 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9017 if (cps->protocolVersion > 1) {
9018 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9019 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9020 cps->comboCnt = 0; // and values of combo boxes
9021 SendToProgram(buf, cps);
9023 SendToProgram("xboard\n", cps);
9029 TwoMachinesEventIfReady P((void))
9031 if (first.lastPing != first.lastPong) {
9032 DisplayMessage("", _("Waiting for first chess program"));
9033 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9036 if (second.lastPing != second.lastPong) {
9037 DisplayMessage("", _("Waiting for second chess program"));
9038 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9046 NextMatchGame P((void))
9048 int index; /* [HGM] autoinc: step load index during match */
9050 if (*appData.loadGameFile != NULLCHAR) {
9051 index = appData.loadGameIndex;
9052 if(index < 0) { // [HGM] autoinc
9053 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9054 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9056 LoadGameFromFile(appData.loadGameFile,
9058 appData.loadGameFile, FALSE);
9059 } else if (*appData.loadPositionFile != NULLCHAR) {
9060 index = appData.loadPositionIndex;
9061 if(index < 0) { // [HGM] autoinc
9062 lastIndex = index = (index == -2 && first.twoMachinesColor[0] == 'b') ? lastIndex : lastIndex+1;
9063 if(appData.rewindIndex > 0 && index > appData.rewindIndex) lastIndex = index = 1;
9065 LoadPositionFromFile(appData.loadPositionFile,
9067 appData.loadPositionFile);
9069 TwoMachinesEventIfReady();
9072 void UserAdjudicationEvent( int result )
9074 ChessMove gameResult = GameIsDrawn;
9077 gameResult = WhiteWins;
9079 else if( result < 0 ) {
9080 gameResult = BlackWins;
9083 if( gameMode == TwoMachinesPlay ) {
9084 GameEnds( gameResult, "User adjudication", GE_XBOARD );
9089 // [HGM] save: calculate checksum of game to make games easily identifiable
9090 int StringCheckSum(char *s)
9093 if(s==NULL) return 0;
9094 while(*s) i = i*259 + *s++;
9101 for(i=backwardMostMove; i<forwardMostMove; i++) {
9102 sum += pvInfoList[i].depth;
9103 sum += StringCheckSum(parseList[i]);
9104 sum += StringCheckSum(commentList[i]);
9107 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
9108 return sum + StringCheckSum(commentList[i]);
9109 } // end of save patch
9112 GameEnds(result, resultDetails, whosays)
9114 char *resultDetails;
9117 GameMode nextGameMode;
9119 char buf[MSG_SIZ], popupRequested = 0;
9121 if(endingGame) return; /* [HGM] crash: forbid recursion */
9123 if(twoBoards) { // [HGM] dual: switch back to one board
9124 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
9125 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
9127 if (appData.debugMode) {
9128 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
9129 result, resultDetails ? resultDetails : "(null)", whosays);
9132 fromX = fromY = -1; // [HGM] abort any move the user is entering.
9134 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
9135 /* If we are playing on ICS, the server decides when the
9136 game is over, but the engine can offer to draw, claim
9140 if (appData.zippyPlay && first.initDone) {
9141 if (result == GameIsDrawn) {
9142 /* In case draw still needs to be claimed */
9143 SendToICS(ics_prefix);
9144 SendToICS("draw\n");
9145 } else if (StrCaseStr(resultDetails, "resign")) {
9146 SendToICS(ics_prefix);
9147 SendToICS("resign\n");
9151 endingGame = 0; /* [HGM] crash */
9155 /* If we're loading the game from a file, stop */
9156 if (whosays == GE_FILE) {
9157 (void) StopLoadGameTimer();
9161 /* Cancel draw offers */
9162 first.offeredDraw = second.offeredDraw = 0;
9164 /* If this is an ICS game, only ICS can really say it's done;
9165 if not, anyone can. */
9166 isIcsGame = (gameMode == IcsPlayingWhite ||
9167 gameMode == IcsPlayingBlack ||
9168 gameMode == IcsObserving ||
9169 gameMode == IcsExamining);
9171 if (!isIcsGame || whosays == GE_ICS) {
9172 /* OK -- not an ICS game, or ICS said it was done */
9174 if (!isIcsGame && !appData.noChessProgram)
9175 SetUserThinkingEnables();
9177 /* [HGM] if a machine claims the game end we verify this claim */
9178 if(gameMode == TwoMachinesPlay && appData.testClaims) {
9179 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
9181 ChessMove trueResult = (ChessMove) -1;
9183 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
9184 first.twoMachinesColor[0] :
9185 second.twoMachinesColor[0] ;
9187 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
9188 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
9189 /* [HGM] verify: engine mate claims accepted if they were flagged */
9190 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
9192 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
9193 /* [HGM] verify: engine mate claims accepted if they were flagged */
9194 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
9196 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
9197 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
9200 // now verify win claims, but not in drop games, as we don't understand those yet
9201 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
9202 || gameInfo.variant == VariantGreat) &&
9203 (result == WhiteWins && claimer == 'w' ||
9204 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
9205 if (appData.debugMode) {
9206 fprintf(debugFP, "result=%d sp=%d move=%d\n",
9207 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
9209 if(result != trueResult) {
9210 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
9211 result = claimer == 'w' ? BlackWins : WhiteWins;
9212 resultDetails = buf;
9215 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
9216 && (forwardMostMove <= backwardMostMove ||
9217 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
9218 (claimer=='b')==(forwardMostMove&1))
9220 /* [HGM] verify: draws that were not flagged are false claims */
9221 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
9222 result = claimer == 'w' ? BlackWins : WhiteWins;
9223 resultDetails = buf;
9225 /* (Claiming a loss is accepted no questions asked!) */
9227 /* [HGM] bare: don't allow bare King to win */
9228 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat)
9229 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
9230 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
9231 && result != GameIsDrawn)
9232 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
9233 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
9234 int p = (signed char)boards[forwardMostMove][i][j] - color;
9235 if(p >= 0 && p <= (int)WhiteKing) k++;
9237 if (appData.debugMode) {
9238 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
9239 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
9242 result = GameIsDrawn;
9243 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
9244 resultDetails = buf;
9250 if(serverMoves != NULL && !loadFlag) { char c = '=';
9251 if(result==WhiteWins) c = '+';
9252 if(result==BlackWins) c = '-';
9253 if(resultDetails != NULL)
9254 fprintf(serverMoves, ";%c;%s\n", c, resultDetails);
9256 if (resultDetails != NULL) {
9257 gameInfo.result = result;
9258 gameInfo.resultDetails = StrSave(resultDetails);
9260 /* display last move only if game was not loaded from file */
9261 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
9262 DisplayMove(currentMove - 1);
9264 if (forwardMostMove != 0) {
9265 if (gameMode != PlayFromGameFile && gameMode != EditGame
9266 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
9268 if (*appData.saveGameFile != NULLCHAR) {
9269 SaveGameToFile(appData.saveGameFile, TRUE);
9270 } else if (appData.autoSaveGames) {
9273 if (*appData.savePositionFile != NULLCHAR) {
9274 SavePositionToFile(appData.savePositionFile);
9279 /* Tell program how game ended in case it is learning */
9280 /* [HGM] Moved this to after saving the PGN, just in case */
9281 /* engine died and we got here through time loss. In that */
9282 /* case we will get a fatal error writing the pipe, which */
9283 /* would otherwise lose us the PGN. */
9284 /* [HGM] crash: not needed anymore, but doesn't hurt; */
9285 /* output during GameEnds should never be fatal anymore */
9286 if (gameMode == MachinePlaysWhite ||
9287 gameMode == MachinePlaysBlack ||
9288 gameMode == TwoMachinesPlay ||
9289 gameMode == IcsPlayingWhite ||
9290 gameMode == IcsPlayingBlack ||
9291 gameMode == BeginningOfGame) {
9293 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
9295 if (first.pr != NoProc) {
9296 SendToProgram(buf, &first);
9298 if (second.pr != NoProc &&
9299 gameMode == TwoMachinesPlay) {
9300 SendToProgram(buf, &second);
9305 if (appData.icsActive) {
9306 if (appData.quietPlay &&
9307 (gameMode == IcsPlayingWhite ||
9308 gameMode == IcsPlayingBlack)) {
9309 SendToICS(ics_prefix);
9310 SendToICS("set shout 1\n");
9312 nextGameMode = IcsIdle;
9313 ics_user_moved = FALSE;
9314 /* clean up premove. It's ugly when the game has ended and the
9315 * premove highlights are still on the board.
9319 ClearPremoveHighlights();
9320 DrawPosition(FALSE, boards[currentMove]);
9322 if (whosays == GE_ICS) {
9325 if (gameMode == IcsPlayingWhite)
9327 else if(gameMode == IcsPlayingBlack)
9331 if (gameMode == IcsPlayingBlack)
9333 else if(gameMode == IcsPlayingWhite)
9340 PlayIcsUnfinishedSound();
9343 } else if (gameMode == EditGame ||
9344 gameMode == PlayFromGameFile ||
9345 gameMode == AnalyzeMode ||
9346 gameMode == AnalyzeFile) {
9347 nextGameMode = gameMode;
9349 nextGameMode = EndOfGame;
9354 nextGameMode = gameMode;
9357 if (appData.noChessProgram) {
9358 gameMode = nextGameMode;
9360 endingGame = 0; /* [HGM] crash */
9365 /* Put first chess program into idle state */
9366 if (first.pr != NoProc &&
9367 (gameMode == MachinePlaysWhite ||
9368 gameMode == MachinePlaysBlack ||
9369 gameMode == TwoMachinesPlay ||
9370 gameMode == IcsPlayingWhite ||
9371 gameMode == IcsPlayingBlack ||
9372 gameMode == BeginningOfGame)) {
9373 SendToProgram("force\n", &first);
9374 if (first.usePing) {
9376 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
9377 SendToProgram(buf, &first);
9380 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9381 /* Kill off first chess program */
9382 if (first.isr != NULL)
9383 RemoveInputSource(first.isr);
9386 if (first.pr != NoProc) {
9388 DoSleep( appData.delayBeforeQuit );
9389 SendToProgram("quit\n", &first);
9390 DoSleep( appData.delayAfterQuit );
9391 DestroyChildProcess(first.pr, first.useSigterm);
9396 /* Put second chess program into idle state */
9397 if (second.pr != NoProc &&
9398 gameMode == TwoMachinesPlay) {
9399 SendToProgram("force\n", &second);
9400 if (second.usePing) {
9402 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
9403 SendToProgram(buf, &second);
9406 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
9407 /* Kill off second chess program */
9408 if (second.isr != NULL)
9409 RemoveInputSource(second.isr);
9412 if (second.pr != NoProc) {
9413 DoSleep( appData.delayBeforeQuit );
9414 SendToProgram("quit\n", &second);
9415 DoSleep( appData.delayAfterQuit );
9416 DestroyChildProcess(second.pr, second.useSigterm);
9421 if (matchMode && gameMode == TwoMachinesPlay) {
9424 if (first.twoMachinesColor[0] == 'w') {
9431 if (first.twoMachinesColor[0] == 'b') {
9440 if (matchGame < appData.matchGames) {
9442 if(appData.sameColorGames <= 1) { /* [HGM] alternate: suppress color swap */
9443 tmp = first.twoMachinesColor;
9444 first.twoMachinesColor = second.twoMachinesColor;
9445 second.twoMachinesColor = tmp;
9447 gameMode = nextGameMode;
9449 if(appData.matchPause>10000 || appData.matchPause<10)
9450 appData.matchPause = 10000; /* [HGM] make pause adjustable */
9451 ScheduleDelayedEvent(NextMatchGame, appData.matchPause);
9452 endingGame = 0; /* [HGM] crash */
9455 gameMode = nextGameMode;
9456 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
9457 first.tidy, second.tidy,
9458 first.matchWins, second.matchWins,
9459 appData.matchGames - (first.matchWins + second.matchWins));
9460 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
9461 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
9462 first.twoMachinesColor = "black\n";
9463 second.twoMachinesColor = "white\n";
9465 first.twoMachinesColor = "white\n";
9466 second.twoMachinesColor = "black\n";
9470 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
9471 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
9473 gameMode = nextGameMode;
9475 endingGame = 0; /* [HGM] crash */
9476 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
9477 if(matchMode == TRUE) DisplayFatalError(buf, 0, 0); else {
9478 matchMode = FALSE; appData.matchGames = matchGame = 0;
9484 /* Assumes program was just initialized (initString sent).
9485 Leaves program in force mode. */
9487 FeedMovesToProgram(cps, upto)
9488 ChessProgramState *cps;
9493 if (appData.debugMode)
9494 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
9495 startedFromSetupPosition ? "position and " : "",
9496 backwardMostMove, upto, cps->which);
9497 if(currentlyInitializedVariant != gameInfo.variant) {
9499 // [HGM] variantswitch: make engine aware of new variant
9500 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
9501 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
9502 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
9503 SendToProgram(buf, cps);
9504 currentlyInitializedVariant = gameInfo.variant;
9506 SendToProgram("force\n", cps);
9507 if (startedFromSetupPosition) {
9508 SendBoard(cps, backwardMostMove);
9509 if (appData.debugMode) {
9510 fprintf(debugFP, "feedMoves\n");
9513 for (i = backwardMostMove; i < upto; i++) {
9514 SendMoveToProgram(i, cps);
9520 ResurrectChessProgram()
9522 /* The chess program may have exited.
9523 If so, restart it and feed it all the moves made so far. */
9525 if (appData.noChessProgram || first.pr != NoProc) return;
9527 StartChessProgram(&first);
9528 InitChessProgram(&first, FALSE);
9529 FeedMovesToProgram(&first, currentMove);
9531 if (!first.sendTime) {
9532 /* can't tell gnuchess what its clock should read,
9533 so we bow to its notion. */
9535 timeRemaining[0][currentMove] = whiteTimeRemaining;
9536 timeRemaining[1][currentMove] = blackTimeRemaining;
9539 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
9540 appData.icsEngineAnalyze) && first.analysisSupport) {
9541 SendToProgram("analyze\n", &first);
9542 first.analyzing = TRUE;
9555 if (appData.debugMode) {
9556 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
9557 redraw, init, gameMode);
9559 CleanupTail(); // [HGM] vari: delete any stored variations
9560 pausing = pauseExamInvalid = FALSE;
9561 startedFromSetupPosition = blackPlaysFirst = FALSE;
9563 whiteFlag = blackFlag = FALSE;
9564 userOfferedDraw = FALSE;
9565 hintRequested = bookRequested = FALSE;
9566 first.maybeThinking = FALSE;
9567 second.maybeThinking = FALSE;
9568 first.bookSuspend = FALSE; // [HGM] book
9569 second.bookSuspend = FALSE;
9570 thinkOutput[0] = NULLCHAR;
9571 lastHint[0] = NULLCHAR;
9572 ClearGameInfo(&gameInfo);
9573 gameInfo.variant = StringToVariant(appData.variant);
9574 ics_user_moved = ics_clock_paused = FALSE;
9575 ics_getting_history = H_FALSE;
9577 white_holding[0] = black_holding[0] = NULLCHAR;
9578 ClearProgramStats();
9579 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
9583 flipView = appData.flipView;
9584 ClearPremoveHighlights();
9586 alarmSounded = FALSE;
9588 GameEnds(EndOfFile, NULL, GE_PLAYER);
9589 if(appData.serverMovesName != NULL) {
9590 /* [HGM] prepare to make moves file for broadcasting */
9591 clock_t t = clock();
9592 if(serverMoves != NULL) fclose(serverMoves);
9593 serverMoves = fopen(appData.serverMovesName, "r");
9594 if(serverMoves != NULL) {
9595 fclose(serverMoves);
9596 /* delay 15 sec before overwriting, so all clients can see end */
9597 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
9599 serverMoves = fopen(appData.serverMovesName, "w");
9603 gameMode = BeginningOfGame;
9605 if(appData.icsActive) gameInfo.variant = VariantNormal;
9606 currentMove = forwardMostMove = backwardMostMove = 0;
9607 InitPosition(redraw);
9608 for (i = 0; i < MAX_MOVES; i++) {
9609 if (commentList[i] != NULL) {
9610 free(commentList[i]);
9611 commentList[i] = NULL;
9615 timeRemaining[0][0] = whiteTimeRemaining;
9616 timeRemaining[1][0] = blackTimeRemaining;
9617 if (first.pr == NULL) {
9618 StartChessProgram(&first);
9621 InitChessProgram(&first, startedFromSetupPosition);
9624 DisplayMessage("", "");
9625 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
9626 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
9633 if (!AutoPlayOneMove())
9635 if (matchMode || appData.timeDelay == 0)
9637 if (appData.timeDelay < 0)
9639 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
9648 int fromX, fromY, toX, toY;
9650 if (appData.debugMode) {
9651 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
9654 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
9657 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
9658 pvInfoList[currentMove].depth = programStats.depth;
9659 pvInfoList[currentMove].score = programStats.score;
9660 pvInfoList[currentMove].time = 0;
9661 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
9664 if (currentMove >= forwardMostMove) {
9665 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
9666 gameMode = EditGame;
9669 /* [AS] Clear current move marker at the end of a game */
9670 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
9675 toX = moveList[currentMove][2] - AAA;
9676 toY = moveList[currentMove][3] - ONE;
9678 if (moveList[currentMove][1] == '@') {
9679 if (appData.highlightLastMove) {
9680 SetHighlights(-1, -1, toX, toY);
9683 fromX = moveList[currentMove][0] - AAA;
9684 fromY = moveList[currentMove][1] - ONE;
9686 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
9688 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
9690 if (appData.highlightLastMove) {
9691 SetHighlights(fromX, fromY, toX, toY);
9694 DisplayMove(currentMove);
9695 SendMoveToProgram(currentMove++, &first);
9696 DisplayBothClocks();
9697 DrawPosition(FALSE, boards[currentMove]);
9698 // [HGM] PV info: always display, routine tests if empty
9699 DisplayComment(currentMove - 1, commentList[currentMove]);
9705 LoadGameOneMove(readAhead)
9706 ChessMove readAhead;
9708 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
9709 char promoChar = NULLCHAR;
9714 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
9715 gameMode != AnalyzeMode && gameMode != Training) {
9720 yyboardindex = forwardMostMove;
9721 if (readAhead != EndOfFile) {
9722 moveType = readAhead;
9724 if (gameFileFP == NULL)
9726 moveType = (ChessMove) Myylex();
9732 if (appData.debugMode)
9733 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
9736 /* append the comment but don't display it */
9737 AppendComment(currentMove, p, FALSE);
9740 case WhiteCapturesEnPassant:
9741 case BlackCapturesEnPassant:
9742 case WhitePromotion:
9743 case BlackPromotion:
9744 case WhiteNonPromotion:
9745 case BlackNonPromotion:
9747 case WhiteKingSideCastle:
9748 case WhiteQueenSideCastle:
9749 case BlackKingSideCastle:
9750 case BlackQueenSideCastle:
9751 case WhiteKingSideCastleWild:
9752 case WhiteQueenSideCastleWild:
9753 case BlackKingSideCastleWild:
9754 case BlackQueenSideCastleWild:
9756 case WhiteHSideCastleFR:
9757 case WhiteASideCastleFR:
9758 case BlackHSideCastleFR:
9759 case BlackASideCastleFR:
9761 if (appData.debugMode)
9762 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9763 fromX = currentMoveString[0] - AAA;
9764 fromY = currentMoveString[1] - ONE;
9765 toX = currentMoveString[2] - AAA;
9766 toY = currentMoveString[3] - ONE;
9767 promoChar = currentMoveString[4];
9772 if (appData.debugMode)
9773 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
9774 fromX = moveType == WhiteDrop ?
9775 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9776 (int) CharToPiece(ToLower(currentMoveString[0]));
9778 toX = currentMoveString[2] - AAA;
9779 toY = currentMoveString[3] - ONE;
9785 case GameUnfinished:
9786 if (appData.debugMode)
9787 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
9788 p = strchr(yy_text, '{');
9789 if (p == NULL) p = strchr(yy_text, '(');
9792 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9794 q = strchr(p, *p == '{' ? '}' : ')');
9795 if (q != NULL) *q = NULLCHAR;
9798 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9799 GameEnds(moveType, p, GE_FILE);
9801 if (cmailMsgLoaded) {
9803 flipView = WhiteOnMove(currentMove);
9804 if (moveType == GameUnfinished) flipView = !flipView;
9805 if (appData.debugMode)
9806 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
9811 if (appData.debugMode)
9812 fprintf(debugFP, "Parser hit end of file\n");
9813 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9819 if (WhiteOnMove(currentMove)) {
9820 GameEnds(BlackWins, "Black mates", GE_FILE);
9822 GameEnds(WhiteWins, "White mates", GE_FILE);
9826 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9833 if (lastLoadGameStart == GNUChessGame) {
9834 /* GNUChessGames have numbers, but they aren't move numbers */
9835 if (appData.debugMode)
9836 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9837 yy_text, (int) moveType);
9838 return LoadGameOneMove(EndOfFile); /* tail recursion */
9840 /* else fall thru */
9845 /* Reached start of next game in file */
9846 if (appData.debugMode)
9847 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
9848 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
9854 if (WhiteOnMove(currentMove)) {
9855 GameEnds(BlackWins, "Black mates", GE_FILE);
9857 GameEnds(WhiteWins, "White mates", GE_FILE);
9861 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
9867 case PositionDiagram: /* should not happen; ignore */
9868 case ElapsedTime: /* ignore */
9869 case NAG: /* ignore */
9870 if (appData.debugMode)
9871 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
9872 yy_text, (int) moveType);
9873 return LoadGameOneMove(EndOfFile); /* tail recursion */
9876 if (appData.testLegality) {
9877 if (appData.debugMode)
9878 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
9879 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9880 (forwardMostMove / 2) + 1,
9881 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9882 DisplayError(move, 0);
9885 if (appData.debugMode)
9886 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
9887 yy_text, currentMoveString);
9888 fromX = currentMoveString[0] - AAA;
9889 fromY = currentMoveString[1] - ONE;
9890 toX = currentMoveString[2] - AAA;
9891 toY = currentMoveString[3] - ONE;
9892 promoChar = currentMoveString[4];
9897 if (appData.debugMode)
9898 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
9899 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
9900 (forwardMostMove / 2) + 1,
9901 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9902 DisplayError(move, 0);
9907 case ImpossibleMove:
9908 if (appData.debugMode)
9909 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
9910 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
9911 (forwardMostMove / 2) + 1,
9912 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
9913 DisplayError(move, 0);
9919 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
9920 DrawPosition(FALSE, boards[currentMove]);
9921 DisplayBothClocks();
9922 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
9923 DisplayComment(currentMove - 1, commentList[currentMove]);
9925 (void) StopLoadGameTimer();
9927 cmailOldMove = forwardMostMove;
9930 /* currentMoveString is set as a side-effect of yylex */
9931 strcat(currentMoveString, "\n");
9932 safeStrCpy(moveList[forwardMostMove], currentMoveString, sizeof(moveList[forwardMostMove])/sizeof(moveList[forwardMostMove][0]));
9934 thinkOutput[0] = NULLCHAR;
9935 MakeMove(fromX, fromY, toX, toY, promoChar);
9936 currentMove = forwardMostMove;
9941 /* Load the nth game from the given file */
9943 LoadGameFromFile(filename, n, title, useList)
9947 /*Boolean*/ int useList;
9952 if (strcmp(filename, "-") == 0) {
9956 f = fopen(filename, "rb");
9958 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
9959 DisplayError(buf, errno);
9963 if (fseek(f, 0, 0) == -1) {
9964 /* f is not seekable; probably a pipe */
9967 if (useList && n == 0) {
9968 int error = GameListBuild(f);
9970 DisplayError(_("Cannot build game list"), error);
9971 } else if (!ListEmpty(&gameList) &&
9972 ((ListGame *) gameList.tailPred)->number > 1) {
9973 GameListPopUp(f, title);
9980 return LoadGame(f, n, title, FALSE);
9985 MakeRegisteredMove()
9987 int fromX, fromY, toX, toY;
9989 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
9990 switch (cmailMoveType[lastLoadGameNumber - 1]) {
9993 if (appData.debugMode)
9994 fprintf(debugFP, "Restoring %s for game %d\n",
9995 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
9997 thinkOutput[0] = NULLCHAR;
9998 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
9999 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
10000 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
10001 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
10002 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
10003 promoChar = cmailMove[lastLoadGameNumber - 1][4];
10004 MakeMove(fromX, fromY, toX, toY, promoChar);
10005 ShowMove(fromX, fromY, toX, toY);
10007 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10014 if (WhiteOnMove(currentMove)) {
10015 GameEnds(BlackWins, "Black mates", GE_PLAYER);
10017 GameEnds(WhiteWins, "White mates", GE_PLAYER);
10022 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
10029 if (WhiteOnMove(currentMove)) {
10030 GameEnds(BlackWins, "White resigns", GE_PLAYER);
10032 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
10037 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
10048 /* Wrapper around LoadGame for use when a Cmail message is loaded */
10050 CmailLoadGame(f, gameNumber, title, useList)
10058 if (gameNumber > nCmailGames) {
10059 DisplayError(_("No more games in this message"), 0);
10062 if (f == lastLoadGameFP) {
10063 int offset = gameNumber - lastLoadGameNumber;
10065 cmailMsg[0] = NULLCHAR;
10066 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10067 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
10068 nCmailMovesRegistered--;
10070 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
10071 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
10072 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
10075 if (! RegisterMove()) return FALSE;
10079 retVal = LoadGame(f, gameNumber, title, useList);
10081 /* Make move registered during previous look at this game, if any */
10082 MakeRegisteredMove();
10084 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
10085 commentList[currentMove]
10086 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
10087 DisplayComment(currentMove - 1, commentList[currentMove]);
10093 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
10098 int gameNumber = lastLoadGameNumber + offset;
10099 if (lastLoadGameFP == NULL) {
10100 DisplayError(_("No game has been loaded yet"), 0);
10103 if (gameNumber <= 0) {
10104 DisplayError(_("Can't back up any further"), 0);
10107 if (cmailMsgLoaded) {
10108 return CmailLoadGame(lastLoadGameFP, gameNumber,
10109 lastLoadGameTitle, lastLoadGameUseList);
10111 return LoadGame(lastLoadGameFP, gameNumber,
10112 lastLoadGameTitle, lastLoadGameUseList);
10118 /* Load the nth game from open file f */
10120 LoadGame(f, gameNumber, title, useList)
10128 int gn = gameNumber;
10129 ListGame *lg = NULL;
10130 int numPGNTags = 0;
10132 GameMode oldGameMode;
10133 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
10135 if (appData.debugMode)
10136 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
10138 if (gameMode == Training )
10139 SetTrainingModeOff();
10141 oldGameMode = gameMode;
10142 if (gameMode != BeginningOfGame) {
10143 Reset(FALSE, TRUE);
10147 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
10148 fclose(lastLoadGameFP);
10152 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
10155 fseek(f, lg->offset, 0);
10156 GameListHighlight(gameNumber);
10160 DisplayError(_("Game number out of range"), 0);
10165 if (fseek(f, 0, 0) == -1) {
10166 if (f == lastLoadGameFP ?
10167 gameNumber == lastLoadGameNumber + 1 :
10171 DisplayError(_("Can't seek on game file"), 0);
10176 lastLoadGameFP = f;
10177 lastLoadGameNumber = gameNumber;
10178 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
10179 lastLoadGameUseList = useList;
10183 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
10184 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
10185 lg->gameInfo.black);
10187 } else if (*title != NULLCHAR) {
10188 if (gameNumber > 1) {
10189 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
10192 DisplayTitle(title);
10196 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
10197 gameMode = PlayFromGameFile;
10201 currentMove = forwardMostMove = backwardMostMove = 0;
10202 CopyBoard(boards[0], initialPosition);
10206 * Skip the first gn-1 games in the file.
10207 * Also skip over anything that precedes an identifiable
10208 * start of game marker, to avoid being confused by
10209 * garbage at the start of the file. Currently
10210 * recognized start of game markers are the move number "1",
10211 * the pattern "gnuchess .* game", the pattern
10212 * "^[#;%] [^ ]* game file", and a PGN tag block.
10213 * A game that starts with one of the latter two patterns
10214 * will also have a move number 1, possibly
10215 * following a position diagram.
10216 * 5-4-02: Let's try being more lenient and allowing a game to
10217 * start with an unnumbered move. Does that break anything?
10219 cm = lastLoadGameStart = EndOfFile;
10221 yyboardindex = forwardMostMove;
10222 cm = (ChessMove) Myylex();
10225 if (cmailMsgLoaded) {
10226 nCmailGames = CMAIL_MAX_GAMES - gn;
10229 DisplayError(_("Game not found in file"), 0);
10236 lastLoadGameStart = cm;
10239 case MoveNumberOne:
10240 switch (lastLoadGameStart) {
10245 case MoveNumberOne:
10247 gn--; /* count this game */
10248 lastLoadGameStart = cm;
10257 switch (lastLoadGameStart) {
10260 case MoveNumberOne:
10262 gn--; /* count this game */
10263 lastLoadGameStart = cm;
10266 lastLoadGameStart = cm; /* game counted already */
10274 yyboardindex = forwardMostMove;
10275 cm = (ChessMove) Myylex();
10276 } while (cm == PGNTag || cm == Comment);
10283 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
10284 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
10285 != CMAIL_OLD_RESULT) {
10287 cmailResult[ CMAIL_MAX_GAMES
10288 - gn - 1] = CMAIL_OLD_RESULT;
10294 /* Only a NormalMove can be at the start of a game
10295 * without a position diagram. */
10296 if (lastLoadGameStart == EndOfFile ) {
10298 lastLoadGameStart = MoveNumberOne;
10307 if (appData.debugMode)
10308 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
10310 if (cm == XBoardGame) {
10311 /* Skip any header junk before position diagram and/or move 1 */
10313 yyboardindex = forwardMostMove;
10314 cm = (ChessMove) Myylex();
10316 if (cm == EndOfFile ||
10317 cm == GNUChessGame || cm == XBoardGame) {
10318 /* Empty game; pretend end-of-file and handle later */
10323 if (cm == MoveNumberOne || cm == PositionDiagram ||
10324 cm == PGNTag || cm == Comment)
10327 } else if (cm == GNUChessGame) {
10328 if (gameInfo.event != NULL) {
10329 free(gameInfo.event);
10331 gameInfo.event = StrSave(yy_text);
10334 startedFromSetupPosition = FALSE;
10335 while (cm == PGNTag) {
10336 if (appData.debugMode)
10337 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
10338 err = ParsePGNTag(yy_text, &gameInfo);
10339 if (!err) numPGNTags++;
10341 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
10342 if(gameInfo.variant != oldVariant) {
10343 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
10344 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
10345 InitPosition(TRUE);
10346 oldVariant = gameInfo.variant;
10347 if (appData.debugMode)
10348 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
10352 if (gameInfo.fen != NULL) {
10353 Board initial_position;
10354 startedFromSetupPosition = TRUE;
10355 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
10357 DisplayError(_("Bad FEN position in file"), 0);
10360 CopyBoard(boards[0], initial_position);
10361 if (blackPlaysFirst) {
10362 currentMove = forwardMostMove = backwardMostMove = 1;
10363 CopyBoard(boards[1], initial_position);
10364 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10365 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10366 timeRemaining[0][1] = whiteTimeRemaining;
10367 timeRemaining[1][1] = blackTimeRemaining;
10368 if (commentList[0] != NULL) {
10369 commentList[1] = commentList[0];
10370 commentList[0] = NULL;
10373 currentMove = forwardMostMove = backwardMostMove = 0;
10375 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
10377 initialRulePlies = FENrulePlies;
10378 for( i=0; i< nrCastlingRights; i++ )
10379 initialRights[i] = initial_position[CASTLING][i];
10381 yyboardindex = forwardMostMove;
10382 free(gameInfo.fen);
10383 gameInfo.fen = NULL;
10386 yyboardindex = forwardMostMove;
10387 cm = (ChessMove) Myylex();
10389 /* Handle comments interspersed among the tags */
10390 while (cm == Comment) {
10392 if (appData.debugMode)
10393 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10395 AppendComment(currentMove, p, FALSE);
10396 yyboardindex = forwardMostMove;
10397 cm = (ChessMove) Myylex();
10401 /* don't rely on existence of Event tag since if game was
10402 * pasted from clipboard the Event tag may not exist
10404 if (numPGNTags > 0){
10406 if (gameInfo.variant == VariantNormal) {
10407 VariantClass v = StringToVariant(gameInfo.event);
10408 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
10409 if(v < VariantShogi) gameInfo.variant = v;
10412 if( appData.autoDisplayTags ) {
10413 tags = PGNTags(&gameInfo);
10414 TagsPopUp(tags, CmailMsg());
10419 /* Make something up, but don't display it now */
10424 if (cm == PositionDiagram) {
10427 Board initial_position;
10429 if (appData.debugMode)
10430 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
10432 if (!startedFromSetupPosition) {
10434 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
10435 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
10445 initial_position[i][j++] = CharToPiece(*p);
10448 while (*p == ' ' || *p == '\t' ||
10449 *p == '\n' || *p == '\r') p++;
10451 if (strncmp(p, "black", strlen("black"))==0)
10452 blackPlaysFirst = TRUE;
10454 blackPlaysFirst = FALSE;
10455 startedFromSetupPosition = TRUE;
10457 CopyBoard(boards[0], initial_position);
10458 if (blackPlaysFirst) {
10459 currentMove = forwardMostMove = backwardMostMove = 1;
10460 CopyBoard(boards[1], initial_position);
10461 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10462 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10463 timeRemaining[0][1] = whiteTimeRemaining;
10464 timeRemaining[1][1] = blackTimeRemaining;
10465 if (commentList[0] != NULL) {
10466 commentList[1] = commentList[0];
10467 commentList[0] = NULL;
10470 currentMove = forwardMostMove = backwardMostMove = 0;
10473 yyboardindex = forwardMostMove;
10474 cm = (ChessMove) Myylex();
10477 if (first.pr == NoProc) {
10478 StartChessProgram(&first);
10480 InitChessProgram(&first, FALSE);
10481 SendToProgram("force\n", &first);
10482 if (startedFromSetupPosition) {
10483 SendBoard(&first, forwardMostMove);
10484 if (appData.debugMode) {
10485 fprintf(debugFP, "Load Game\n");
10487 DisplayBothClocks();
10490 /* [HGM] server: flag to write setup moves in broadcast file as one */
10491 loadFlag = appData.suppressLoadMoves;
10493 while (cm == Comment) {
10495 if (appData.debugMode)
10496 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10498 AppendComment(currentMove, p, FALSE);
10499 yyboardindex = forwardMostMove;
10500 cm = (ChessMove) Myylex();
10503 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
10504 cm == WhiteWins || cm == BlackWins ||
10505 cm == GameIsDrawn || cm == GameUnfinished) {
10506 DisplayMessage("", _("No moves in game"));
10507 if (cmailMsgLoaded) {
10508 if (appData.debugMode)
10509 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
10513 DrawPosition(FALSE, boards[currentMove]);
10514 DisplayBothClocks();
10515 gameMode = EditGame;
10522 // [HGM] PV info: routine tests if comment empty
10523 if (!matchMode && (pausing || appData.timeDelay != 0)) {
10524 DisplayComment(currentMove - 1, commentList[currentMove]);
10526 if (!matchMode && appData.timeDelay != 0)
10527 DrawPosition(FALSE, boards[currentMove]);
10529 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
10530 programStats.ok_to_send = 1;
10533 /* if the first token after the PGN tags is a move
10534 * and not move number 1, retrieve it from the parser
10536 if (cm != MoveNumberOne)
10537 LoadGameOneMove(cm);
10539 /* load the remaining moves from the file */
10540 while (LoadGameOneMove(EndOfFile)) {
10541 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10542 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10545 /* rewind to the start of the game */
10546 currentMove = backwardMostMove;
10548 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10550 if (oldGameMode == AnalyzeFile ||
10551 oldGameMode == AnalyzeMode) {
10552 AnalyzeFileEvent();
10555 if (matchMode || appData.timeDelay == 0) {
10557 gameMode = EditGame;
10559 } else if (appData.timeDelay > 0) {
10560 AutoPlayGameLoop();
10563 if (appData.debugMode)
10564 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
10566 loadFlag = 0; /* [HGM] true game starts */
10570 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
10572 ReloadPosition(offset)
10575 int positionNumber = lastLoadPositionNumber + offset;
10576 if (lastLoadPositionFP == NULL) {
10577 DisplayError(_("No position has been loaded yet"), 0);
10580 if (positionNumber <= 0) {
10581 DisplayError(_("Can't back up any further"), 0);
10584 return LoadPosition(lastLoadPositionFP, positionNumber,
10585 lastLoadPositionTitle);
10588 /* Load the nth position from the given file */
10590 LoadPositionFromFile(filename, n, title)
10598 if (strcmp(filename, "-") == 0) {
10599 return LoadPosition(stdin, n, "stdin");
10601 f = fopen(filename, "rb");
10603 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10604 DisplayError(buf, errno);
10607 return LoadPosition(f, n, title);
10612 /* Load the nth position from the given open file, and close it */
10614 LoadPosition(f, positionNumber, title)
10616 int positionNumber;
10619 char *p, line[MSG_SIZ];
10620 Board initial_position;
10621 int i, j, fenMode, pn;
10623 if (gameMode == Training )
10624 SetTrainingModeOff();
10626 if (gameMode != BeginningOfGame) {
10627 Reset(FALSE, TRUE);
10629 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
10630 fclose(lastLoadPositionFP);
10632 if (positionNumber == 0) positionNumber = 1;
10633 lastLoadPositionFP = f;
10634 lastLoadPositionNumber = positionNumber;
10635 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
10636 if (first.pr == NoProc) {
10637 StartChessProgram(&first);
10638 InitChessProgram(&first, FALSE);
10640 pn = positionNumber;
10641 if (positionNumber < 0) {
10642 /* Negative position number means to seek to that byte offset */
10643 if (fseek(f, -positionNumber, 0) == -1) {
10644 DisplayError(_("Can't seek on position file"), 0);
10649 if (fseek(f, 0, 0) == -1) {
10650 if (f == lastLoadPositionFP ?
10651 positionNumber == lastLoadPositionNumber + 1 :
10652 positionNumber == 1) {
10655 DisplayError(_("Can't seek on position file"), 0);
10660 /* See if this file is FEN or old-style xboard */
10661 if (fgets(line, MSG_SIZ, f) == NULL) {
10662 DisplayError(_("Position not found in file"), 0);
10665 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
10666 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
10669 if (fenMode || line[0] == '#') pn--;
10671 /* skip positions before number pn */
10672 if (fgets(line, MSG_SIZ, f) == NULL) {
10674 DisplayError(_("Position not found in file"), 0);
10677 if (fenMode || line[0] == '#') pn--;
10682 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
10683 DisplayError(_("Bad FEN position in file"), 0);
10687 (void) fgets(line, MSG_SIZ, f);
10688 (void) fgets(line, MSG_SIZ, f);
10690 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
10691 (void) fgets(line, MSG_SIZ, f);
10692 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
10695 initial_position[i][j++] = CharToPiece(*p);
10699 blackPlaysFirst = FALSE;
10701 (void) fgets(line, MSG_SIZ, f);
10702 if (strncmp(line, "black", strlen("black"))==0)
10703 blackPlaysFirst = TRUE;
10706 startedFromSetupPosition = TRUE;
10708 SendToProgram("force\n", &first);
10709 CopyBoard(boards[0], initial_position);
10710 if (blackPlaysFirst) {
10711 currentMove = forwardMostMove = backwardMostMove = 1;
10712 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
10713 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
10714 CopyBoard(boards[1], initial_position);
10715 DisplayMessage("", _("Black to play"));
10717 currentMove = forwardMostMove = backwardMostMove = 0;
10718 DisplayMessage("", _("White to play"));
10720 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
10721 SendBoard(&first, forwardMostMove);
10722 if (appData.debugMode) {
10724 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
10725 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
10726 fprintf(debugFP, "Load Position\n");
10729 if (positionNumber > 1) {
10730 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
10731 DisplayTitle(line);
10733 DisplayTitle(title);
10735 gameMode = EditGame;
10738 timeRemaining[0][1] = whiteTimeRemaining;
10739 timeRemaining[1][1] = blackTimeRemaining;
10740 DrawPosition(FALSE, boards[currentMove]);
10747 CopyPlayerNameIntoFileName(dest, src)
10750 while (*src != NULLCHAR && *src != ',') {
10755 *(*dest)++ = *src++;
10760 char *DefaultFileName(ext)
10763 static char def[MSG_SIZ];
10766 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
10768 CopyPlayerNameIntoFileName(&p, gameInfo.white);
10770 CopyPlayerNameIntoFileName(&p, gameInfo.black);
10772 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
10779 /* Save the current game to the given file */
10781 SaveGameToFile(filename, append)
10788 if (strcmp(filename, "-") == 0) {
10789 return SaveGame(stdout, 0, NULL);
10791 f = fopen(filename, append ? "a" : "w");
10793 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10794 DisplayError(buf, errno);
10797 return SaveGame(f, 0, NULL);
10806 static char buf[MSG_SIZ];
10809 p = strchr(str, ' ');
10810 if (p == NULL) return str;
10811 strncpy(buf, str, p - str);
10812 buf[p - str] = NULLCHAR;
10816 #define PGN_MAX_LINE 75
10818 #define PGN_SIDE_WHITE 0
10819 #define PGN_SIDE_BLACK 1
10822 static int FindFirstMoveOutOfBook( int side )
10826 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
10827 int index = backwardMostMove;
10828 int has_book_hit = 0;
10830 if( (index % 2) != side ) {
10834 while( index < forwardMostMove ) {
10835 /* Check to see if engine is in book */
10836 int depth = pvInfoList[index].depth;
10837 int score = pvInfoList[index].score;
10843 else if( score == 0 && depth == 63 ) {
10844 in_book = 1; /* Zappa */
10846 else if( score == 2 && depth == 99 ) {
10847 in_book = 1; /* Abrok */
10850 has_book_hit += in_book;
10866 void GetOutOfBookInfo( char * buf )
10870 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10872 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
10873 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
10877 if( oob[0] >= 0 || oob[1] >= 0 ) {
10878 for( i=0; i<2; i++ ) {
10882 if( i > 0 && oob[0] >= 0 ) {
10883 strcat( buf, " " );
10886 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
10887 sprintf( buf+strlen(buf), "%s%.2f",
10888 pvInfoList[idx].score >= 0 ? "+" : "",
10889 pvInfoList[idx].score / 100.0 );
10895 /* Save game in PGN style and close the file */
10900 int i, offset, linelen, newblock;
10904 int movelen, numlen, blank;
10905 char move_buffer[100]; /* [AS] Buffer for move+PV info */
10907 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
10909 tm = time((time_t *) NULL);
10911 PrintPGNTags(f, &gameInfo);
10913 if (backwardMostMove > 0 || startedFromSetupPosition) {
10914 char *fen = PositionToFEN(backwardMostMove, NULL);
10915 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
10916 fprintf(f, "\n{--------------\n");
10917 PrintPosition(f, backwardMostMove);
10918 fprintf(f, "--------------}\n");
10922 /* [AS] Out of book annotation */
10923 if( appData.saveOutOfBookInfo ) {
10926 GetOutOfBookInfo( buf );
10928 if( buf[0] != '\0' ) {
10929 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
10936 i = backwardMostMove;
10940 while (i < forwardMostMove) {
10941 /* Print comments preceding this move */
10942 if (commentList[i] != NULL) {
10943 if (linelen > 0) fprintf(f, "\n");
10944 fprintf(f, "%s", commentList[i]);
10949 /* Format move number */
10951 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
10954 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
10956 numtext[0] = NULLCHAR;
10958 numlen = strlen(numtext);
10961 /* Print move number */
10962 blank = linelen > 0 && numlen > 0;
10963 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
10972 fprintf(f, "%s", numtext);
10976 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
10977 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
10980 blank = linelen > 0 && movelen > 0;
10981 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
10990 fprintf(f, "%s", move_buffer);
10991 linelen += movelen;
10993 /* [AS] Add PV info if present */
10994 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
10995 /* [HGM] add time */
10996 char buf[MSG_SIZ]; int seconds;
10998 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
11004 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
11007 seconds = (seconds + 4)/10; // round to full seconds
11009 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
11011 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
11014 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
11015 pvInfoList[i].score >= 0 ? "+" : "",
11016 pvInfoList[i].score / 100.0,
11017 pvInfoList[i].depth,
11020 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
11022 /* Print score/depth */
11023 blank = linelen > 0 && movelen > 0;
11024 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
11033 fprintf(f, "%s", move_buffer);
11034 linelen += movelen;
11040 /* Start a new line */
11041 if (linelen > 0) fprintf(f, "\n");
11043 /* Print comments after last move */
11044 if (commentList[i] != NULL) {
11045 fprintf(f, "%s\n", commentList[i]);
11049 if (gameInfo.resultDetails != NULL &&
11050 gameInfo.resultDetails[0] != NULLCHAR) {
11051 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
11052 PGNResult(gameInfo.result));
11054 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11058 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11062 /* Save game in old style and close the file */
11064 SaveGameOldStyle(f)
11070 tm = time((time_t *) NULL);
11072 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
11075 if (backwardMostMove > 0 || startedFromSetupPosition) {
11076 fprintf(f, "\n[--------------\n");
11077 PrintPosition(f, backwardMostMove);
11078 fprintf(f, "--------------]\n");
11083 i = backwardMostMove;
11084 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
11086 while (i < forwardMostMove) {
11087 if (commentList[i] != NULL) {
11088 fprintf(f, "[%s]\n", commentList[i]);
11091 if ((i % 2) == 1) {
11092 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
11095 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
11097 if (commentList[i] != NULL) {
11101 if (i >= forwardMostMove) {
11105 fprintf(f, "%s\n", parseList[i]);
11110 if (commentList[i] != NULL) {
11111 fprintf(f, "[%s]\n", commentList[i]);
11114 /* This isn't really the old style, but it's close enough */
11115 if (gameInfo.resultDetails != NULL &&
11116 gameInfo.resultDetails[0] != NULLCHAR) {
11117 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
11118 gameInfo.resultDetails);
11120 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
11127 /* Save the current game to open file f and close the file */
11129 SaveGame(f, dummy, dummy2)
11134 if (gameMode == EditPosition) EditPositionDone(TRUE);
11135 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
11136 if (appData.oldSaveStyle)
11137 return SaveGameOldStyle(f);
11139 return SaveGamePGN(f);
11142 /* Save the current position to the given file */
11144 SavePositionToFile(filename)
11150 if (strcmp(filename, "-") == 0) {
11151 return SavePosition(stdout, 0, NULL);
11153 f = fopen(filename, "a");
11155 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11156 DisplayError(buf, errno);
11159 SavePosition(f, 0, NULL);
11165 /* Save the current position to the given open file and close the file */
11167 SavePosition(f, dummy, dummy2)
11175 if (gameMode == EditPosition) EditPositionDone(TRUE);
11176 if (appData.oldSaveStyle) {
11177 tm = time((time_t *) NULL);
11179 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
11181 fprintf(f, "[--------------\n");
11182 PrintPosition(f, currentMove);
11183 fprintf(f, "--------------]\n");
11185 fen = PositionToFEN(currentMove, NULL);
11186 fprintf(f, "%s\n", fen);
11194 ReloadCmailMsgEvent(unregister)
11198 static char *inFilename = NULL;
11199 static char *outFilename;
11201 struct stat inbuf, outbuf;
11204 /* Any registered moves are unregistered if unregister is set, */
11205 /* i.e. invoked by the signal handler */
11207 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11208 cmailMoveRegistered[i] = FALSE;
11209 if (cmailCommentList[i] != NULL) {
11210 free(cmailCommentList[i]);
11211 cmailCommentList[i] = NULL;
11214 nCmailMovesRegistered = 0;
11217 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
11218 cmailResult[i] = CMAIL_NOT_RESULT;
11222 if (inFilename == NULL) {
11223 /* Because the filenames are static they only get malloced once */
11224 /* and they never get freed */
11225 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
11226 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
11228 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
11229 sprintf(outFilename, "%s.out", appData.cmailGameName);
11232 status = stat(outFilename, &outbuf);
11234 cmailMailedMove = FALSE;
11236 status = stat(inFilename, &inbuf);
11237 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
11240 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
11241 counts the games, notes how each one terminated, etc.
11243 It would be nice to remove this kludge and instead gather all
11244 the information while building the game list. (And to keep it
11245 in the game list nodes instead of having a bunch of fixed-size
11246 parallel arrays.) Note this will require getting each game's
11247 termination from the PGN tags, as the game list builder does
11248 not process the game moves. --mann
11250 cmailMsgLoaded = TRUE;
11251 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
11253 /* Load first game in the file or popup game menu */
11254 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
11256 #endif /* !WIN32 */
11264 char string[MSG_SIZ];
11266 if ( cmailMailedMove
11267 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
11268 return TRUE; /* Allow free viewing */
11271 /* Unregister move to ensure that we don't leave RegisterMove */
11272 /* with the move registered when the conditions for registering no */
11274 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11275 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11276 nCmailMovesRegistered --;
11278 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
11280 free(cmailCommentList[lastLoadGameNumber - 1]);
11281 cmailCommentList[lastLoadGameNumber - 1] = NULL;
11285 if (cmailOldMove == -1) {
11286 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
11290 if (currentMove > cmailOldMove + 1) {
11291 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
11295 if (currentMove < cmailOldMove) {
11296 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
11300 if (forwardMostMove > currentMove) {
11301 /* Silently truncate extra moves */
11305 if ( (currentMove == cmailOldMove + 1)
11306 || ( (currentMove == cmailOldMove)
11307 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
11308 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
11309 if (gameInfo.result != GameUnfinished) {
11310 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
11313 if (commentList[currentMove] != NULL) {
11314 cmailCommentList[lastLoadGameNumber - 1]
11315 = StrSave(commentList[currentMove]);
11317 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
11319 if (appData.debugMode)
11320 fprintf(debugFP, "Saving %s for game %d\n",
11321 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11323 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
11325 f = fopen(string, "w");
11326 if (appData.oldSaveStyle) {
11327 SaveGameOldStyle(f); /* also closes the file */
11329 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
11330 f = fopen(string, "w");
11331 SavePosition(f, 0, NULL); /* also closes the file */
11333 fprintf(f, "{--------------\n");
11334 PrintPosition(f, currentMove);
11335 fprintf(f, "--------------}\n\n");
11337 SaveGame(f, 0, NULL); /* also closes the file*/
11340 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
11341 nCmailMovesRegistered ++;
11342 } else if (nCmailGames == 1) {
11343 DisplayError(_("You have not made a move yet"), 0);
11354 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
11355 FILE *commandOutput;
11356 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
11357 int nBytes = 0; /* Suppress warnings on uninitialized variables */
11363 if (! cmailMsgLoaded) {
11364 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
11368 if (nCmailGames == nCmailResults) {
11369 DisplayError(_("No unfinished games"), 0);
11373 #if CMAIL_PROHIBIT_REMAIL
11374 if (cmailMailedMove) {
11375 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);
11376 DisplayError(msg, 0);
11381 if (! (cmailMailedMove || RegisterMove())) return;
11383 if ( cmailMailedMove
11384 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
11385 snprintf(string, MSG_SIZ, partCommandString,
11386 appData.debugMode ? " -v" : "", appData.cmailGameName);
11387 commandOutput = popen(string, "r");
11389 if (commandOutput == NULL) {
11390 DisplayError(_("Failed to invoke cmail"), 0);
11392 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
11393 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
11395 if (nBuffers > 1) {
11396 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
11397 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
11398 nBytes = MSG_SIZ - 1;
11400 (void) memcpy(msg, buffer, nBytes);
11402 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
11404 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
11405 cmailMailedMove = TRUE; /* Prevent >1 moves */
11408 for (i = 0; i < nCmailGames; i ++) {
11409 if (cmailResult[i] == CMAIL_NOT_RESULT) {
11414 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
11416 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
11418 appData.cmailGameName,
11420 LoadGameFromFile(buffer, 1, buffer, FALSE);
11421 cmailMsgLoaded = FALSE;
11425 DisplayInformation(msg);
11426 pclose(commandOutput);
11429 if ((*cmailMsg) != '\0') {
11430 DisplayInformation(cmailMsg);
11435 #endif /* !WIN32 */
11444 int prependComma = 0;
11446 char string[MSG_SIZ]; /* Space for game-list */
11449 if (!cmailMsgLoaded) return "";
11451 if (cmailMailedMove) {
11452 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
11454 /* Create a list of games left */
11455 snprintf(string, MSG_SIZ, "[");
11456 for (i = 0; i < nCmailGames; i ++) {
11457 if (! ( cmailMoveRegistered[i]
11458 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
11459 if (prependComma) {
11460 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
11462 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
11466 strcat(string, number);
11469 strcat(string, "]");
11471 if (nCmailMovesRegistered + nCmailResults == 0) {
11472 switch (nCmailGames) {
11474 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
11478 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
11482 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
11487 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
11489 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
11494 if (nCmailResults == nCmailGames) {
11495 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
11497 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
11502 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
11514 if (gameMode == Training)
11515 SetTrainingModeOff();
11518 cmailMsgLoaded = FALSE;
11519 if (appData.icsActive) {
11520 SendToICS(ics_prefix);
11521 SendToICS("refresh\n");
11531 /* Give up on clean exit */
11535 /* Keep trying for clean exit */
11539 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
11541 if (telnetISR != NULL) {
11542 RemoveInputSource(telnetISR);
11544 if (icsPR != NoProc) {
11545 DestroyChildProcess(icsPR, TRUE);
11548 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
11549 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
11551 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
11552 /* make sure this other one finishes before killing it! */
11553 if(endingGame) { int count = 0;
11554 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
11555 while(endingGame && count++ < 10) DoSleep(1);
11556 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
11559 /* Kill off chess programs */
11560 if (first.pr != NoProc) {
11563 DoSleep( appData.delayBeforeQuit );
11564 SendToProgram("quit\n", &first);
11565 DoSleep( appData.delayAfterQuit );
11566 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
11568 if (second.pr != NoProc) {
11569 DoSleep( appData.delayBeforeQuit );
11570 SendToProgram("quit\n", &second);
11571 DoSleep( appData.delayAfterQuit );
11572 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
11574 if (first.isr != NULL) {
11575 RemoveInputSource(first.isr);
11577 if (second.isr != NULL) {
11578 RemoveInputSource(second.isr);
11581 ShutDownFrontEnd();
11588 if (appData.debugMode)
11589 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
11593 if (gameMode == MachinePlaysWhite ||
11594 gameMode == MachinePlaysBlack) {
11597 DisplayBothClocks();
11599 if (gameMode == PlayFromGameFile) {
11600 if (appData.timeDelay >= 0)
11601 AutoPlayGameLoop();
11602 } else if (gameMode == IcsExamining && pauseExamInvalid) {
11603 Reset(FALSE, TRUE);
11604 SendToICS(ics_prefix);
11605 SendToICS("refresh\n");
11606 } else if (currentMove < forwardMostMove) {
11607 ForwardInner(forwardMostMove);
11609 pauseExamInvalid = FALSE;
11611 switch (gameMode) {
11615 pauseExamForwardMostMove = forwardMostMove;
11616 pauseExamInvalid = FALSE;
11619 case IcsPlayingWhite:
11620 case IcsPlayingBlack:
11624 case PlayFromGameFile:
11625 (void) StopLoadGameTimer();
11629 case BeginningOfGame:
11630 if (appData.icsActive) return;
11631 /* else fall through */
11632 case MachinePlaysWhite:
11633 case MachinePlaysBlack:
11634 case TwoMachinesPlay:
11635 if (forwardMostMove == 0)
11636 return; /* don't pause if no one has moved */
11637 if ((gameMode == MachinePlaysWhite &&
11638 !WhiteOnMove(forwardMostMove)) ||
11639 (gameMode == MachinePlaysBlack &&
11640 WhiteOnMove(forwardMostMove))) {
11653 char title[MSG_SIZ];
11655 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
11656 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
11658 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
11659 WhiteOnMove(currentMove - 1) ? " " : ".. ",
11660 parseList[currentMove - 1]);
11663 EditCommentPopUp(currentMove, title, commentList[currentMove]);
11670 char *tags = PGNTags(&gameInfo);
11671 EditTagsPopUp(tags, NULL);
11678 if (appData.noChessProgram || gameMode == AnalyzeMode)
11681 if (gameMode != AnalyzeFile) {
11682 if (!appData.icsEngineAnalyze) {
11684 if (gameMode != EditGame) return;
11686 ResurrectChessProgram();
11687 SendToProgram("analyze\n", &first);
11688 first.analyzing = TRUE;
11689 /*first.maybeThinking = TRUE;*/
11690 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11691 EngineOutputPopUp();
11693 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
11698 StartAnalysisClock();
11699 GetTimeMark(&lastNodeCountTime);
11706 if (appData.noChessProgram || gameMode == AnalyzeFile)
11709 if (gameMode != AnalyzeMode) {
11711 if (gameMode != EditGame) return;
11712 ResurrectChessProgram();
11713 SendToProgram("analyze\n", &first);
11714 first.analyzing = TRUE;
11715 /*first.maybeThinking = TRUE;*/
11716 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
11717 EngineOutputPopUp();
11719 gameMode = AnalyzeFile;
11724 StartAnalysisClock();
11725 GetTimeMark(&lastNodeCountTime);
11730 MachineWhiteEvent()
11733 char *bookHit = NULL;
11735 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
11739 if (gameMode == PlayFromGameFile ||
11740 gameMode == TwoMachinesPlay ||
11741 gameMode == Training ||
11742 gameMode == AnalyzeMode ||
11743 gameMode == EndOfGame)
11746 if (gameMode == EditPosition)
11747 EditPositionDone(TRUE);
11749 if (!WhiteOnMove(currentMove)) {
11750 DisplayError(_("It is not White's turn"), 0);
11754 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11757 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11758 gameMode == AnalyzeFile)
11761 ResurrectChessProgram(); /* in case it isn't running */
11762 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
11763 gameMode = MachinePlaysWhite;
11766 gameMode = MachinePlaysWhite;
11770 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11772 if (first.sendName) {
11773 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
11774 SendToProgram(buf, &first);
11776 if (first.sendTime) {
11777 if (first.useColors) {
11778 SendToProgram("black\n", &first); /*gnu kludge*/
11780 SendTimeRemaining(&first, TRUE);
11782 if (first.useColors) {
11783 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
11785 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11786 SetMachineThinkingEnables();
11787 first.maybeThinking = TRUE;
11791 if (appData.autoFlipView && !flipView) {
11792 flipView = !flipView;
11793 DrawPosition(FALSE, NULL);
11794 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11797 if(bookHit) { // [HGM] book: simulate book reply
11798 static char bookMove[MSG_SIZ]; // a bit generous?
11800 programStats.nodes = programStats.depth = programStats.time =
11801 programStats.score = programStats.got_only_move = 0;
11802 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11804 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11805 strcat(bookMove, bookHit);
11806 HandleMachineMove(bookMove, &first);
11811 MachineBlackEvent()
11814 char *bookHit = NULL;
11816 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
11820 if (gameMode == PlayFromGameFile ||
11821 gameMode == TwoMachinesPlay ||
11822 gameMode == Training ||
11823 gameMode == AnalyzeMode ||
11824 gameMode == EndOfGame)
11827 if (gameMode == EditPosition)
11828 EditPositionDone(TRUE);
11830 if (WhiteOnMove(currentMove)) {
11831 DisplayError(_("It is not Black's turn"), 0);
11835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
11838 if (gameMode == EditGame || gameMode == AnalyzeMode ||
11839 gameMode == AnalyzeFile)
11842 ResurrectChessProgram(); /* in case it isn't running */
11843 gameMode = MachinePlaysBlack;
11847 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11849 if (first.sendName) {
11850 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
11851 SendToProgram(buf, &first);
11853 if (first.sendTime) {
11854 if (first.useColors) {
11855 SendToProgram("white\n", &first); /*gnu kludge*/
11857 SendTimeRemaining(&first, FALSE);
11859 if (first.useColors) {
11860 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
11862 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
11863 SetMachineThinkingEnables();
11864 first.maybeThinking = TRUE;
11867 if (appData.autoFlipView && flipView) {
11868 flipView = !flipView;
11869 DrawPosition(FALSE, NULL);
11870 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
11872 if(bookHit) { // [HGM] book: simulate book reply
11873 static char bookMove[MSG_SIZ]; // a bit generous?
11875 programStats.nodes = programStats.depth = programStats.time =
11876 programStats.score = programStats.got_only_move = 0;
11877 sprintf(programStats.movelist, "%s (xbook)", bookHit);
11879 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
11880 strcat(bookMove, bookHit);
11881 HandleMachineMove(bookMove, &first);
11887 DisplayTwoMachinesTitle()
11890 if (appData.matchGames > 0) {
11891 if (first.twoMachinesColor[0] == 'w') {
11892 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11893 gameInfo.white, gameInfo.black,
11894 first.matchWins, second.matchWins,
11895 matchGame - 1 - (first.matchWins + second.matchWins));
11897 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
11898 gameInfo.white, gameInfo.black,
11899 second.matchWins, first.matchWins,
11900 matchGame - 1 - (first.matchWins + second.matchWins));
11903 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
11909 SettingsMenuIfReady()
11911 if (second.lastPing != second.lastPong) {
11912 DisplayMessage("", _("Waiting for second chess program"));
11913 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
11917 DisplayMessage("", "");
11918 SettingsPopUp(&second);
11922 WaitForSecond(DelayedEventCallback retry)
11924 if (second.pr == NULL) {
11925 StartChessProgram(&second);
11926 if (second.protocolVersion == 1) {
11929 /* kludge: allow timeout for initial "feature" command */
11931 DisplayMessage("", _("Starting second chess program"));
11932 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
11940 TwoMachinesEvent P((void))
11944 ChessProgramState *onmove;
11945 char *bookHit = NULL;
11947 if (appData.noChessProgram) return;
11949 switch (gameMode) {
11950 case TwoMachinesPlay:
11952 case MachinePlaysWhite:
11953 case MachinePlaysBlack:
11954 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
11955 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
11959 case BeginningOfGame:
11960 case PlayFromGameFile:
11963 if (gameMode != EditGame) return;
11966 EditPositionDone(TRUE);
11977 // forwardMostMove = currentMove;
11978 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
11979 ResurrectChessProgram(); /* in case first program isn't running */
11981 if(WaitForSecond(TwoMachinesEventIfReady)) return;
11982 DisplayMessage("", "");
11983 InitChessProgram(&second, FALSE);
11984 SendToProgram("force\n", &second);
11985 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
11986 ScheduleDelayedEvent(TwoMachinesEvent, 10);
11989 if (startedFromSetupPosition) {
11990 SendBoard(&second, backwardMostMove);
11991 if (appData.debugMode) {
11992 fprintf(debugFP, "Two Machines\n");
11995 for (i = backwardMostMove; i < forwardMostMove; i++) {
11996 SendMoveToProgram(i, &second);
11999 gameMode = TwoMachinesPlay;
12003 DisplayTwoMachinesTitle();
12005 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
12011 SendToProgram(first.computerString, &first);
12012 if (first.sendName) {
12013 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
12014 SendToProgram(buf, &first);
12016 SendToProgram(second.computerString, &second);
12017 if (second.sendName) {
12018 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
12019 SendToProgram(buf, &second);
12023 if (!first.sendTime || !second.sendTime) {
12024 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12025 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12027 if (onmove->sendTime) {
12028 if (onmove->useColors) {
12029 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
12031 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
12033 if (onmove->useColors) {
12034 SendToProgram(onmove->twoMachinesColor, onmove);
12036 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
12037 // SendToProgram("go\n", onmove);
12038 onmove->maybeThinking = TRUE;
12039 SetMachineThinkingEnables();
12043 if(bookHit) { // [HGM] book: simulate book reply
12044 static char bookMove[MSG_SIZ]; // a bit generous?
12046 programStats.nodes = programStats.depth = programStats.time =
12047 programStats.score = programStats.got_only_move = 0;
12048 sprintf(programStats.movelist, "%s (xbook)", bookHit);
12050 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
12051 strcat(bookMove, bookHit);
12052 savedMessage = bookMove; // args for deferred call
12053 savedState = onmove;
12054 ScheduleDelayedEvent(DeferredBookMove, 1);
12061 if (gameMode == Training) {
12062 SetTrainingModeOff();
12063 gameMode = PlayFromGameFile;
12064 DisplayMessage("", _("Training mode off"));
12066 gameMode = Training;
12067 animateTraining = appData.animate;
12069 /* make sure we are not already at the end of the game */
12070 if (currentMove < forwardMostMove) {
12071 SetTrainingModeOn();
12072 DisplayMessage("", _("Training mode on"));
12074 gameMode = PlayFromGameFile;
12075 DisplayError(_("Already at end of game"), 0);
12084 if (!appData.icsActive) return;
12085 switch (gameMode) {
12086 case IcsPlayingWhite:
12087 case IcsPlayingBlack:
12090 case BeginningOfGame:
12098 EditPositionDone(TRUE);
12111 gameMode = IcsIdle;
12122 switch (gameMode) {
12124 SetTrainingModeOff();
12126 case MachinePlaysWhite:
12127 case MachinePlaysBlack:
12128 case BeginningOfGame:
12129 SendToProgram("force\n", &first);
12130 SetUserThinkingEnables();
12132 case PlayFromGameFile:
12133 (void) StopLoadGameTimer();
12134 if (gameFileFP != NULL) {
12139 EditPositionDone(TRUE);
12144 SendToProgram("force\n", &first);
12146 case TwoMachinesPlay:
12147 GameEnds(EndOfFile, NULL, GE_PLAYER);
12148 ResurrectChessProgram();
12149 SetUserThinkingEnables();
12152 ResurrectChessProgram();
12154 case IcsPlayingBlack:
12155 case IcsPlayingWhite:
12156 DisplayError(_("Warning: You are still playing a game"), 0);
12159 DisplayError(_("Warning: You are still observing a game"), 0);
12162 DisplayError(_("Warning: You are still examining a game"), 0);
12173 first.offeredDraw = second.offeredDraw = 0;
12175 if (gameMode == PlayFromGameFile) {
12176 whiteTimeRemaining = timeRemaining[0][currentMove];
12177 blackTimeRemaining = timeRemaining[1][currentMove];
12181 if (gameMode == MachinePlaysWhite ||
12182 gameMode == MachinePlaysBlack ||
12183 gameMode == TwoMachinesPlay ||
12184 gameMode == EndOfGame) {
12185 i = forwardMostMove;
12186 while (i > currentMove) {
12187 SendToProgram("undo\n", &first);
12190 whiteTimeRemaining = timeRemaining[0][currentMove];
12191 blackTimeRemaining = timeRemaining[1][currentMove];
12192 DisplayBothClocks();
12193 if (whiteFlag || blackFlag) {
12194 whiteFlag = blackFlag = 0;
12199 gameMode = EditGame;
12206 EditPositionEvent()
12208 if (gameMode == EditPosition) {
12214 if (gameMode != EditGame) return;
12216 gameMode = EditPosition;
12219 if (currentMove > 0)
12220 CopyBoard(boards[0], boards[currentMove]);
12222 blackPlaysFirst = !WhiteOnMove(currentMove);
12224 currentMove = forwardMostMove = backwardMostMove = 0;
12225 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12232 /* [DM] icsEngineAnalyze - possible call from other functions */
12233 if (appData.icsEngineAnalyze) {
12234 appData.icsEngineAnalyze = FALSE;
12236 DisplayMessage("",_("Close ICS engine analyze..."));
12238 if (first.analysisSupport && first.analyzing) {
12239 SendToProgram("exit\n", &first);
12240 first.analyzing = FALSE;
12242 thinkOutput[0] = NULLCHAR;
12246 EditPositionDone(Boolean fakeRights)
12248 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
12250 startedFromSetupPosition = TRUE;
12251 InitChessProgram(&first, FALSE);
12252 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
12253 boards[0][EP_STATUS] = EP_NONE;
12254 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
12255 if(boards[0][0][BOARD_WIDTH>>1] == king) {
12256 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
12257 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
12258 } else boards[0][CASTLING][2] = NoRights;
12259 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
12260 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
12261 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
12262 } else boards[0][CASTLING][5] = NoRights;
12264 SendToProgram("force\n", &first);
12265 if (blackPlaysFirst) {
12266 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12267 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12268 currentMove = forwardMostMove = backwardMostMove = 1;
12269 CopyBoard(boards[1], boards[0]);
12271 currentMove = forwardMostMove = backwardMostMove = 0;
12273 SendBoard(&first, forwardMostMove);
12274 if (appData.debugMode) {
12275 fprintf(debugFP, "EditPosDone\n");
12278 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12279 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12280 gameMode = EditGame;
12282 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12283 ClearHighlights(); /* [AS] */
12286 /* Pause for `ms' milliseconds */
12287 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12297 } while (SubtractTimeMarks(&m2, &m1) < ms);
12300 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
12302 SendMultiLineToICS(buf)
12305 char temp[MSG_SIZ+1], *p;
12312 strncpy(temp, buf, len);
12317 if (*p == '\n' || *p == '\r')
12322 strcat(temp, "\n");
12324 SendToPlayer(temp, strlen(temp));
12328 SetWhiteToPlayEvent()
12330 if (gameMode == EditPosition) {
12331 blackPlaysFirst = FALSE;
12332 DisplayBothClocks(); /* works because currentMove is 0 */
12333 } else if (gameMode == IcsExamining) {
12334 SendToICS(ics_prefix);
12335 SendToICS("tomove white\n");
12340 SetBlackToPlayEvent()
12342 if (gameMode == EditPosition) {
12343 blackPlaysFirst = TRUE;
12344 currentMove = 1; /* kludge */
12345 DisplayBothClocks();
12347 } else if (gameMode == IcsExamining) {
12348 SendToICS(ics_prefix);
12349 SendToICS("tomove black\n");
12354 EditPositionMenuEvent(selection, x, y)
12355 ChessSquare selection;
12359 ChessSquare piece = boards[0][y][x];
12361 if (gameMode != EditPosition && gameMode != IcsExamining) return;
12363 switch (selection) {
12365 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
12366 SendToICS(ics_prefix);
12367 SendToICS("bsetup clear\n");
12368 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
12369 SendToICS(ics_prefix);
12370 SendToICS("clearboard\n");
12372 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
12373 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
12374 for (y = 0; y < BOARD_HEIGHT; y++) {
12375 if (gameMode == IcsExamining) {
12376 if (boards[currentMove][y][x] != EmptySquare) {
12377 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
12382 boards[0][y][x] = p;
12387 if (gameMode == EditPosition) {
12388 DrawPosition(FALSE, boards[0]);
12393 SetWhiteToPlayEvent();
12397 SetBlackToPlayEvent();
12401 if (gameMode == IcsExamining) {
12402 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12403 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
12406 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12407 if(x == BOARD_LEFT-2) {
12408 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
12409 boards[0][y][1] = 0;
12411 if(x == BOARD_RGHT+1) {
12412 if(y >= gameInfo.holdingsSize) break;
12413 boards[0][y][BOARD_WIDTH-2] = 0;
12416 boards[0][y][x] = EmptySquare;
12417 DrawPosition(FALSE, boards[0]);
12422 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
12423 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
12424 selection = (ChessSquare) (PROMOTED piece);
12425 } else if(piece == EmptySquare) selection = WhiteSilver;
12426 else selection = (ChessSquare)((int)piece - 1);
12430 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
12431 piece > (int)BlackMan && piece <= (int)BlackKing ) {
12432 selection = (ChessSquare) (DEMOTED piece);
12433 } else if(piece == EmptySquare) selection = BlackSilver;
12434 else selection = (ChessSquare)((int)piece + 1);
12439 if(gameInfo.variant == VariantShatranj ||
12440 gameInfo.variant == VariantXiangqi ||
12441 gameInfo.variant == VariantCourier ||
12442 gameInfo.variant == VariantMakruk )
12443 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
12448 if(gameInfo.variant == VariantXiangqi)
12449 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
12450 if(gameInfo.variant == VariantKnightmate)
12451 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
12454 if (gameMode == IcsExamining) {
12455 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
12456 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
12457 PieceToChar(selection), AAA + x, ONE + y);
12460 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
12462 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
12463 n = PieceToNumber(selection - BlackPawn);
12464 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
12465 boards[0][BOARD_HEIGHT-1-n][0] = selection;
12466 boards[0][BOARD_HEIGHT-1-n][1]++;
12468 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
12469 n = PieceToNumber(selection);
12470 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
12471 boards[0][n][BOARD_WIDTH-1] = selection;
12472 boards[0][n][BOARD_WIDTH-2]++;
12475 boards[0][y][x] = selection;
12476 DrawPosition(TRUE, boards[0]);
12484 DropMenuEvent(selection, x, y)
12485 ChessSquare selection;
12488 ChessMove moveType;
12490 switch (gameMode) {
12491 case IcsPlayingWhite:
12492 case MachinePlaysBlack:
12493 if (!WhiteOnMove(currentMove)) {
12494 DisplayMoveError(_("It is Black's turn"));
12497 moveType = WhiteDrop;
12499 case IcsPlayingBlack:
12500 case MachinePlaysWhite:
12501 if (WhiteOnMove(currentMove)) {
12502 DisplayMoveError(_("It is White's turn"));
12505 moveType = BlackDrop;
12508 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
12514 if (moveType == BlackDrop && selection < BlackPawn) {
12515 selection = (ChessSquare) ((int) selection
12516 + (int) BlackPawn - (int) WhitePawn);
12518 if (boards[currentMove][y][x] != EmptySquare) {
12519 DisplayMoveError(_("That square is occupied"));
12523 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
12529 /* Accept a pending offer of any kind from opponent */
12531 if (appData.icsActive) {
12532 SendToICS(ics_prefix);
12533 SendToICS("accept\n");
12534 } else if (cmailMsgLoaded) {
12535 if (currentMove == cmailOldMove &&
12536 commentList[cmailOldMove] != NULL &&
12537 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12538 "Black offers a draw" : "White offers a draw")) {
12540 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12541 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12543 DisplayError(_("There is no pending offer on this move"), 0);
12544 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12547 /* Not used for offers from chess program */
12554 /* Decline a pending offer of any kind from opponent */
12556 if (appData.icsActive) {
12557 SendToICS(ics_prefix);
12558 SendToICS("decline\n");
12559 } else if (cmailMsgLoaded) {
12560 if (currentMove == cmailOldMove &&
12561 commentList[cmailOldMove] != NULL &&
12562 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12563 "Black offers a draw" : "White offers a draw")) {
12565 AppendComment(cmailOldMove, "Draw declined", TRUE);
12566 DisplayComment(cmailOldMove - 1, "Draw declined");
12569 DisplayError(_("There is no pending offer on this move"), 0);
12572 /* Not used for offers from chess program */
12579 /* Issue ICS rematch command */
12580 if (appData.icsActive) {
12581 SendToICS(ics_prefix);
12582 SendToICS("rematch\n");
12589 /* Call your opponent's flag (claim a win on time) */
12590 if (appData.icsActive) {
12591 SendToICS(ics_prefix);
12592 SendToICS("flag\n");
12594 switch (gameMode) {
12597 case MachinePlaysWhite:
12600 GameEnds(GameIsDrawn, "Both players ran out of time",
12603 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
12605 DisplayError(_("Your opponent is not out of time"), 0);
12608 case MachinePlaysBlack:
12611 GameEnds(GameIsDrawn, "Both players ran out of time",
12614 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
12616 DisplayError(_("Your opponent is not out of time"), 0);
12626 /* Offer draw or accept pending draw offer from opponent */
12628 if (appData.icsActive) {
12629 /* Note: tournament rules require draw offers to be
12630 made after you make your move but before you punch
12631 your clock. Currently ICS doesn't let you do that;
12632 instead, you immediately punch your clock after making
12633 a move, but you can offer a draw at any time. */
12635 SendToICS(ics_prefix);
12636 SendToICS("draw\n");
12637 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
12638 } else if (cmailMsgLoaded) {
12639 if (currentMove == cmailOldMove &&
12640 commentList[cmailOldMove] != NULL &&
12641 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
12642 "Black offers a draw" : "White offers a draw")) {
12643 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
12645 } else if (currentMove == cmailOldMove + 1) {
12646 char *offer = WhiteOnMove(cmailOldMove) ?
12647 "White offers a draw" : "Black offers a draw";
12648 AppendComment(currentMove, offer, TRUE);
12649 DisplayComment(currentMove - 1, offer);
12650 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
12652 DisplayError(_("You must make your move before offering a draw"), 0);
12653 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12655 } else if (first.offeredDraw) {
12656 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
12658 if (first.sendDrawOffers) {
12659 SendToProgram("draw\n", &first);
12660 userOfferedDraw = TRUE;
12668 /* Offer Adjourn or accept pending Adjourn offer from opponent */
12670 if (appData.icsActive) {
12671 SendToICS(ics_prefix);
12672 SendToICS("adjourn\n");
12674 /* Currently GNU Chess doesn't offer or accept Adjourns */
12682 /* Offer Abort or accept pending Abort offer from opponent */
12684 if (appData.icsActive) {
12685 SendToICS(ics_prefix);
12686 SendToICS("abort\n");
12688 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
12695 /* Resign. You can do this even if it's not your turn. */
12697 if (appData.icsActive) {
12698 SendToICS(ics_prefix);
12699 SendToICS("resign\n");
12701 switch (gameMode) {
12702 case MachinePlaysWhite:
12703 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12705 case MachinePlaysBlack:
12706 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12709 if (cmailMsgLoaded) {
12711 if (WhiteOnMove(cmailOldMove)) {
12712 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12714 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12716 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
12727 StopObservingEvent()
12729 /* Stop observing current games */
12730 SendToICS(ics_prefix);
12731 SendToICS("unobserve\n");
12735 StopExaminingEvent()
12737 /* Stop observing current game */
12738 SendToICS(ics_prefix);
12739 SendToICS("unexamine\n");
12743 ForwardInner(target)
12748 if (appData.debugMode)
12749 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
12750 target, currentMove, forwardMostMove);
12752 if (gameMode == EditPosition)
12755 if (gameMode == PlayFromGameFile && !pausing)
12758 if (gameMode == IcsExamining && pausing)
12759 limit = pauseExamForwardMostMove;
12761 limit = forwardMostMove;
12763 if (target > limit) target = limit;
12765 if (target > 0 && moveList[target - 1][0]) {
12766 int fromX, fromY, toX, toY;
12767 toX = moveList[target - 1][2] - AAA;
12768 toY = moveList[target - 1][3] - ONE;
12769 if (moveList[target - 1][1] == '@') {
12770 if (appData.highlightLastMove) {
12771 SetHighlights(-1, -1, toX, toY);
12774 fromX = moveList[target - 1][0] - AAA;
12775 fromY = moveList[target - 1][1] - ONE;
12776 if (target == currentMove + 1) {
12777 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12779 if (appData.highlightLastMove) {
12780 SetHighlights(fromX, fromY, toX, toY);
12784 if (gameMode == EditGame || gameMode == AnalyzeMode ||
12785 gameMode == Training || gameMode == PlayFromGameFile ||
12786 gameMode == AnalyzeFile) {
12787 while (currentMove < target) {
12788 SendMoveToProgram(currentMove++, &first);
12791 currentMove = target;
12794 if (gameMode == EditGame || gameMode == EndOfGame) {
12795 whiteTimeRemaining = timeRemaining[0][currentMove];
12796 blackTimeRemaining = timeRemaining[1][currentMove];
12798 DisplayBothClocks();
12799 DisplayMove(currentMove - 1);
12800 DrawPosition(FALSE, boards[currentMove]);
12801 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12802 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
12803 DisplayComment(currentMove - 1, commentList[currentMove]);
12811 if (gameMode == IcsExamining && !pausing) {
12812 SendToICS(ics_prefix);
12813 SendToICS("forward\n");
12815 ForwardInner(currentMove + 1);
12822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12823 /* to optimze, we temporarily turn off analysis mode while we feed
12824 * the remaining moves to the engine. Otherwise we get analysis output
12827 if (first.analysisSupport) {
12828 SendToProgram("exit\nforce\n", &first);
12829 first.analyzing = FALSE;
12833 if (gameMode == IcsExamining && !pausing) {
12834 SendToICS(ics_prefix);
12835 SendToICS("forward 999999\n");
12837 ForwardInner(forwardMostMove);
12840 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12841 /* we have fed all the moves, so reactivate analysis mode */
12842 SendToProgram("analyze\n", &first);
12843 first.analyzing = TRUE;
12844 /*first.maybeThinking = TRUE;*/
12845 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12850 BackwardInner(target)
12853 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
12855 if (appData.debugMode)
12856 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
12857 target, currentMove, forwardMostMove);
12859 if (gameMode == EditPosition) return;
12860 if (currentMove <= backwardMostMove) {
12862 DrawPosition(full_redraw, boards[currentMove]);
12865 if (gameMode == PlayFromGameFile && !pausing)
12868 if (moveList[target][0]) {
12869 int fromX, fromY, toX, toY;
12870 toX = moveList[target][2] - AAA;
12871 toY = moveList[target][3] - ONE;
12872 if (moveList[target][1] == '@') {
12873 if (appData.highlightLastMove) {
12874 SetHighlights(-1, -1, toX, toY);
12877 fromX = moveList[target][0] - AAA;
12878 fromY = moveList[target][1] - ONE;
12879 if (target == currentMove - 1) {
12880 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
12882 if (appData.highlightLastMove) {
12883 SetHighlights(fromX, fromY, toX, toY);
12887 if (gameMode == EditGame || gameMode==AnalyzeMode ||
12888 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
12889 while (currentMove > target) {
12890 SendToProgram("undo\n", &first);
12894 currentMove = target;
12897 if (gameMode == EditGame || gameMode == EndOfGame) {
12898 whiteTimeRemaining = timeRemaining[0][currentMove];
12899 blackTimeRemaining = timeRemaining[1][currentMove];
12901 DisplayBothClocks();
12902 DisplayMove(currentMove - 1);
12903 DrawPosition(full_redraw, boards[currentMove]);
12904 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
12905 // [HGM] PV info: routine tests if comment empty
12906 DisplayComment(currentMove - 1, commentList[currentMove]);
12912 if (gameMode == IcsExamining && !pausing) {
12913 SendToICS(ics_prefix);
12914 SendToICS("backward\n");
12916 BackwardInner(currentMove - 1);
12923 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12924 /* to optimize, we temporarily turn off analysis mode while we undo
12925 * all the moves. Otherwise we get analysis output after each undo.
12927 if (first.analysisSupport) {
12928 SendToProgram("exit\nforce\n", &first);
12929 first.analyzing = FALSE;
12933 if (gameMode == IcsExamining && !pausing) {
12934 SendToICS(ics_prefix);
12935 SendToICS("backward 999999\n");
12937 BackwardInner(backwardMostMove);
12940 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
12941 /* we have fed all the moves, so reactivate analysis mode */
12942 SendToProgram("analyze\n", &first);
12943 first.analyzing = TRUE;
12944 /*first.maybeThinking = TRUE;*/
12945 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
12952 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
12953 if (to >= forwardMostMove) to = forwardMostMove;
12954 if (to <= backwardMostMove) to = backwardMostMove;
12955 if (to < currentMove) {
12963 RevertEvent(Boolean annotate)
12965 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
12968 if (gameMode != IcsExamining) {
12969 DisplayError(_("You are not examining a game"), 0);
12973 DisplayError(_("You can't revert while pausing"), 0);
12976 SendToICS(ics_prefix);
12977 SendToICS("revert\n");
12983 switch (gameMode) {
12984 case MachinePlaysWhite:
12985 case MachinePlaysBlack:
12986 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
12987 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
12990 if (forwardMostMove < 2) return;
12991 currentMove = forwardMostMove = forwardMostMove - 2;
12992 whiteTimeRemaining = timeRemaining[0][currentMove];
12993 blackTimeRemaining = timeRemaining[1][currentMove];
12994 DisplayBothClocks();
12995 DisplayMove(currentMove - 1);
12996 ClearHighlights();/*!! could figure this out*/
12997 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
12998 SendToProgram("remove\n", &first);
12999 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
13002 case BeginningOfGame:
13006 case IcsPlayingWhite:
13007 case IcsPlayingBlack:
13008 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
13009 SendToICS(ics_prefix);
13010 SendToICS("takeback 2\n");
13012 SendToICS(ics_prefix);
13013 SendToICS("takeback 1\n");
13022 ChessProgramState *cps;
13024 switch (gameMode) {
13025 case MachinePlaysWhite:
13026 if (!WhiteOnMove(forwardMostMove)) {
13027 DisplayError(_("It is your turn"), 0);
13032 case MachinePlaysBlack:
13033 if (WhiteOnMove(forwardMostMove)) {
13034 DisplayError(_("It is your turn"), 0);
13039 case TwoMachinesPlay:
13040 if (WhiteOnMove(forwardMostMove) ==
13041 (first.twoMachinesColor[0] == 'w')) {
13047 case BeginningOfGame:
13051 SendToProgram("?\n", cps);
13055 TruncateGameEvent()
13058 if (gameMode != EditGame) return;
13065 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
13066 if (forwardMostMove > currentMove) {
13067 if (gameInfo.resultDetails != NULL) {
13068 free(gameInfo.resultDetails);
13069 gameInfo.resultDetails = NULL;
13070 gameInfo.result = GameUnfinished;
13072 forwardMostMove = currentMove;
13073 HistorySet(parseList, backwardMostMove, forwardMostMove,
13081 if (appData.noChessProgram) return;
13082 switch (gameMode) {
13083 case MachinePlaysWhite:
13084 if (WhiteOnMove(forwardMostMove)) {
13085 DisplayError(_("Wait until your turn"), 0);
13089 case BeginningOfGame:
13090 case MachinePlaysBlack:
13091 if (!WhiteOnMove(forwardMostMove)) {
13092 DisplayError(_("Wait until your turn"), 0);
13097 DisplayError(_("No hint available"), 0);
13100 SendToProgram("hint\n", &first);
13101 hintRequested = TRUE;
13107 if (appData.noChessProgram) return;
13108 switch (gameMode) {
13109 case MachinePlaysWhite:
13110 if (WhiteOnMove(forwardMostMove)) {
13111 DisplayError(_("Wait until your turn"), 0);
13115 case BeginningOfGame:
13116 case MachinePlaysBlack:
13117 if (!WhiteOnMove(forwardMostMove)) {
13118 DisplayError(_("Wait until your turn"), 0);
13123 EditPositionDone(TRUE);
13125 case TwoMachinesPlay:
13130 SendToProgram("bk\n", &first);
13131 bookOutput[0] = NULLCHAR;
13132 bookRequested = TRUE;
13138 char *tags = PGNTags(&gameInfo);
13139 TagsPopUp(tags, CmailMsg());
13143 /* end button procedures */
13146 PrintPosition(fp, move)
13152 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13153 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
13154 char c = PieceToChar(boards[move][i][j]);
13155 fputc(c == 'x' ? '.' : c, fp);
13156 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
13159 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
13160 fprintf(fp, "white to play\n");
13162 fprintf(fp, "black to play\n");
13169 if (gameInfo.white != NULL) {
13170 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
13176 /* Find last component of program's own name, using some heuristics */
13178 TidyProgramName(prog, host, buf)
13179 char *prog, *host, buf[MSG_SIZ];
13182 int local = (strcmp(host, "localhost") == 0);
13183 while (!local && (p = strchr(prog, ';')) != NULL) {
13185 while (*p == ' ') p++;
13188 if (*prog == '"' || *prog == '\'') {
13189 q = strchr(prog + 1, *prog);
13191 q = strchr(prog, ' ');
13193 if (q == NULL) q = prog + strlen(prog);
13195 while (p >= prog && *p != '/' && *p != '\\') p--;
13197 if(p == prog && *p == '"') p++;
13198 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
13199 memcpy(buf, p, q - p);
13200 buf[q - p] = NULLCHAR;
13208 TimeControlTagValue()
13211 if (!appData.clockMode) {
13212 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
13213 } else if (movesPerSession > 0) {
13214 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
13215 } else if (timeIncrement == 0) {
13216 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
13218 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
13220 return StrSave(buf);
13226 /* This routine is used only for certain modes */
13227 VariantClass v = gameInfo.variant;
13228 ChessMove r = GameUnfinished;
13231 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
13232 r = gameInfo.result;
13233 p = gameInfo.resultDetails;
13234 gameInfo.resultDetails = NULL;
13236 ClearGameInfo(&gameInfo);
13237 gameInfo.variant = v;
13239 switch (gameMode) {
13240 case MachinePlaysWhite:
13241 gameInfo.event = StrSave( appData.pgnEventHeader );
13242 gameInfo.site = StrSave(HostName());
13243 gameInfo.date = PGNDate();
13244 gameInfo.round = StrSave("-");
13245 gameInfo.white = StrSave(first.tidy);
13246 gameInfo.black = StrSave(UserName());
13247 gameInfo.timeControl = TimeControlTagValue();
13250 case MachinePlaysBlack:
13251 gameInfo.event = StrSave( appData.pgnEventHeader );
13252 gameInfo.site = StrSave(HostName());
13253 gameInfo.date = PGNDate();
13254 gameInfo.round = StrSave("-");
13255 gameInfo.white = StrSave(UserName());
13256 gameInfo.black = StrSave(first.tidy);
13257 gameInfo.timeControl = TimeControlTagValue();
13260 case TwoMachinesPlay:
13261 gameInfo.event = StrSave( appData.pgnEventHeader );
13262 gameInfo.site = StrSave(HostName());
13263 gameInfo.date = PGNDate();
13264 if (matchGame > 0) {
13266 snprintf(buf, MSG_SIZ, "%d", matchGame);
13267 gameInfo.round = StrSave(buf);
13269 gameInfo.round = StrSave("-");
13271 if (first.twoMachinesColor[0] == 'w') {
13272 gameInfo.white = StrSave(first.tidy);
13273 gameInfo.black = StrSave(second.tidy);
13275 gameInfo.white = StrSave(second.tidy);
13276 gameInfo.black = StrSave(first.tidy);
13278 gameInfo.timeControl = TimeControlTagValue();
13282 gameInfo.event = StrSave("Edited game");
13283 gameInfo.site = StrSave(HostName());
13284 gameInfo.date = PGNDate();
13285 gameInfo.round = StrSave("-");
13286 gameInfo.white = StrSave("-");
13287 gameInfo.black = StrSave("-");
13288 gameInfo.result = r;
13289 gameInfo.resultDetails = p;
13293 gameInfo.event = StrSave("Edited position");
13294 gameInfo.site = StrSave(HostName());
13295 gameInfo.date = PGNDate();
13296 gameInfo.round = StrSave("-");
13297 gameInfo.white = StrSave("-");
13298 gameInfo.black = StrSave("-");
13301 case IcsPlayingWhite:
13302 case IcsPlayingBlack:
13307 case PlayFromGameFile:
13308 gameInfo.event = StrSave("Game from non-PGN file");
13309 gameInfo.site = StrSave(HostName());
13310 gameInfo.date = PGNDate();
13311 gameInfo.round = StrSave("-");
13312 gameInfo.white = StrSave("?");
13313 gameInfo.black = StrSave("?");
13322 ReplaceComment(index, text)
13330 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
13331 pvInfoList[index-1].depth == len &&
13332 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
13333 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
13334 while (*text == '\n') text++;
13335 len = strlen(text);
13336 while (len > 0 && text[len - 1] == '\n') len--;
13338 if (commentList[index] != NULL)
13339 free(commentList[index]);
13342 commentList[index] = NULL;
13345 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
13346 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
13347 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
13348 commentList[index] = (char *) malloc(len + 2);
13349 strncpy(commentList[index], text, len);
13350 commentList[index][len] = '\n';
13351 commentList[index][len + 1] = NULLCHAR;
13353 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
13355 commentList[index] = (char *) malloc(len + 7);
13356 safeStrCpy(commentList[index], "{\n", 3);
13357 safeStrCpy(commentList[index]+2, text, len+1);
13358 commentList[index][len+2] = NULLCHAR;
13359 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
13360 strcat(commentList[index], "\n}\n");
13374 if (ch == '\r') continue;
13376 } while (ch != '\0');
13380 AppendComment(index, text, addBraces)
13383 Boolean addBraces; // [HGM] braces: tells if we should add {}
13388 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
13389 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
13392 while (*text == '\n') text++;
13393 len = strlen(text);
13394 while (len > 0 && text[len - 1] == '\n') len--;
13396 if (len == 0) return;
13398 if (commentList[index] != NULL) {
13399 old = commentList[index];
13400 oldlen = strlen(old);
13401 while(commentList[index][oldlen-1] == '\n')
13402 commentList[index][--oldlen] = NULLCHAR;
13403 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
13404 safeStrCpy(commentList[index], old, oldlen + len + 6);
13406 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
13407 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
13408 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
13409 while (*text == '\n') { text++; len--; }
13410 commentList[index][--oldlen] = NULLCHAR;
13412 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
13413 else strcat(commentList[index], "\n");
13414 strcat(commentList[index], text);
13415 if(addBraces) strcat(commentList[index], addBraces == 2 ? ")\n" : "\n}\n");
13416 else strcat(commentList[index], "\n");
13418 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
13420 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
13421 else commentList[index][0] = NULLCHAR;
13422 strcat(commentList[index], text);
13423 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
13424 if(addBraces == TRUE) strcat(commentList[index], "}\n");
13428 static char * FindStr( char * text, char * sub_text )
13430 char * result = strstr( text, sub_text );
13432 if( result != NULL ) {
13433 result += strlen( sub_text );
13439 /* [AS] Try to extract PV info from PGN comment */
13440 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
13441 char *GetInfoFromComment( int index, char * text )
13443 char * sep = text, *p;
13445 if( text != NULL && index > 0 ) {
13448 int time = -1, sec = 0, deci;
13449 char * s_eval = FindStr( text, "[%eval " );
13450 char * s_emt = FindStr( text, "[%emt " );
13452 if( s_eval != NULL || s_emt != NULL ) {
13456 if( s_eval != NULL ) {
13457 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
13461 if( delim != ']' ) {
13466 if( s_emt != NULL ) {
13471 /* We expect something like: [+|-]nnn.nn/dd */
13474 if(*text != '{') return text; // [HGM] braces: must be normal comment
13476 sep = strchr( text, '/' );
13477 if( sep == NULL || sep < (text+4) ) {
13482 if(p[1] == '(') { // comment starts with PV
13483 p = strchr(p, ')'); // locate end of PV
13484 if(p == NULL || sep < p+5) return text;
13485 // at this point we have something like "{(.*) +0.23/6 ..."
13486 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
13487 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
13488 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
13490 time = -1; sec = -1; deci = -1;
13491 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
13492 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
13493 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
13494 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
13498 if( score_lo < 0 || score_lo >= 100 ) {
13502 if(sec >= 0) time = 600*time + 10*sec; else
13503 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
13505 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
13507 /* [HGM] PV time: now locate end of PV info */
13508 while( *++sep >= '0' && *sep <= '9'); // strip depth
13510 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
13512 while( *++sep >= '0' && *sep <= '9'); // strip seconds
13514 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
13515 while(*sep == ' ') sep++;
13526 pvInfoList[index-1].depth = depth;
13527 pvInfoList[index-1].score = score;
13528 pvInfoList[index-1].time = 10*time; // centi-sec
13529 if(*sep == '}') *sep = 0; else *--sep = '{';
13530 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
13536 SendToProgram(message, cps)
13538 ChessProgramState *cps;
13540 int count, outCount, error;
13543 if (cps->pr == NULL) return;
13546 if (appData.debugMode) {
13549 fprintf(debugFP, "%ld >%-6s: %s",
13550 SubtractTimeMarks(&now, &programStartTime),
13551 cps->which, message);
13554 count = strlen(message);
13555 outCount = OutputToProcess(cps->pr, message, count, &error);
13556 if (outCount < count && !exiting
13557 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
13558 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), cps->which);
13559 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13560 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13561 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13562 snprintf(buf, MSG_SIZ, "%s program exits in draw position (%s)", cps->which, cps->program);
13564 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13566 gameInfo.resultDetails = StrSave(buf);
13568 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13573 ReceiveFromProgram(isr, closure, message, count, error)
13574 InputSourceRef isr;
13582 ChessProgramState *cps = (ChessProgramState *)closure;
13584 if (isr != cps->isr) return; /* Killed intentionally */
13587 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
13588 cps->which, cps->program);
13589 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
13590 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
13591 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
13592 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), cps->which, cps->program);
13594 gameInfo.result = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
13596 gameInfo.resultDetails = StrSave(buf);
13598 RemoveInputSource(cps->isr);
13599 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
13601 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
13602 cps->which, cps->program);
13603 RemoveInputSource(cps->isr);
13605 /* [AS] Program is misbehaving badly... kill it */
13606 if( count == -2 ) {
13607 DestroyChildProcess( cps->pr, 9 );
13611 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
13616 if ((end_str = strchr(message, '\r')) != NULL)
13617 *end_str = NULLCHAR;
13618 if ((end_str = strchr(message, '\n')) != NULL)
13619 *end_str = NULLCHAR;
13621 if (appData.debugMode) {
13622 TimeMark now; int print = 1;
13623 char *quote = ""; char c; int i;
13625 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
13626 char start = message[0];
13627 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
13628 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
13629 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
13630 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
13631 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
13632 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
13633 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
13634 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
13635 sscanf(message, "hint: %c", &c)!=1 &&
13636 sscanf(message, "pong %c", &c)!=1 && start != '#') {
13637 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
13638 print = (appData.engineComments >= 2);
13640 message[0] = start; // restore original message
13644 fprintf(debugFP, "%ld <%-6s: %s%s\n",
13645 SubtractTimeMarks(&now, &programStartTime), cps->which,
13651 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
13652 if (appData.icsEngineAnalyze) {
13653 if (strstr(message, "whisper") != NULL ||
13654 strstr(message, "kibitz") != NULL ||
13655 strstr(message, "tellics") != NULL) return;
13658 HandleMachineMove(message, cps);
13663 SendTimeControl(cps, mps, tc, inc, sd, st)
13664 ChessProgramState *cps;
13665 int mps, inc, sd, st;
13671 if( timeControl_2 > 0 ) {
13672 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
13673 tc = timeControl_2;
13676 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
13677 inc /= cps->timeOdds;
13678 st /= cps->timeOdds;
13680 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
13683 /* Set exact time per move, normally using st command */
13684 if (cps->stKludge) {
13685 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
13687 if (seconds == 0) {
13688 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
13690 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
13693 snprintf(buf, MSG_SIZ, "st %d\n", st);
13696 /* Set conventional or incremental time control, using level command */
13697 if (seconds == 0) {
13698 /* Note old gnuchess bug -- minutes:seconds used to not work.
13699 Fixed in later versions, but still avoid :seconds
13700 when seconds is 0. */
13701 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
13703 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
13704 seconds, inc/1000.);
13707 SendToProgram(buf, cps);
13709 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
13710 /* Orthogonally, limit search to given depth */
13712 if (cps->sdKludge) {
13713 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
13715 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
13717 SendToProgram(buf, cps);
13720 if(cps->nps > 0) { /* [HGM] nps */
13721 if(cps->supportsNPS == FALSE)
13722 cps->nps = -1; // don't use if engine explicitly says not supported!
13724 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
13725 SendToProgram(buf, cps);
13730 ChessProgramState *WhitePlayer()
13731 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
13733 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
13734 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
13740 SendTimeRemaining(cps, machineWhite)
13741 ChessProgramState *cps;
13742 int /*boolean*/ machineWhite;
13744 char message[MSG_SIZ];
13747 /* Note: this routine must be called when the clocks are stopped
13748 or when they have *just* been set or switched; otherwise
13749 it will be off by the time since the current tick started.
13751 if (machineWhite) {
13752 time = whiteTimeRemaining / 10;
13753 otime = blackTimeRemaining / 10;
13755 time = blackTimeRemaining / 10;
13756 otime = whiteTimeRemaining / 10;
13758 /* [HGM] translate opponent's time by time-odds factor */
13759 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
13760 if (appData.debugMode) {
13761 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
13764 if (time <= 0) time = 1;
13765 if (otime <= 0) otime = 1;
13767 snprintf(message, MSG_SIZ, "time %ld\n", time);
13768 SendToProgram(message, cps);
13770 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
13771 SendToProgram(message, cps);
13775 BoolFeature(p, name, loc, cps)
13779 ChessProgramState *cps;
13782 int len = strlen(name);
13785 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13787 sscanf(*p, "%d", &val);
13789 while (**p && **p != ' ')
13791 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13792 SendToProgram(buf, cps);
13799 IntFeature(p, name, loc, cps)
13803 ChessProgramState *cps;
13806 int len = strlen(name);
13807 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
13809 sscanf(*p, "%d", loc);
13810 while (**p && **p != ' ') (*p)++;
13811 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13812 SendToProgram(buf, cps);
13819 StringFeature(p, name, loc, cps)
13823 ChessProgramState *cps;
13826 int len = strlen(name);
13827 if (strncmp((*p), name, len) == 0
13828 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
13830 sscanf(*p, "%[^\"]", loc);
13831 while (**p && **p != '\"') (*p)++;
13832 if (**p == '\"') (*p)++;
13833 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
13834 SendToProgram(buf, cps);
13841 ParseOption(Option *opt, ChessProgramState *cps)
13842 // [HGM] options: process the string that defines an engine option, and determine
13843 // name, type, default value, and allowed value range
13845 char *p, *q, buf[MSG_SIZ];
13846 int n, min = (-1)<<31, max = 1<<31, def;
13848 if(p = strstr(opt->name, " -spin ")) {
13849 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13850 if(max < min) max = min; // enforce consistency
13851 if(def < min) def = min;
13852 if(def > max) def = max;
13857 } else if((p = strstr(opt->name, " -slider "))) {
13858 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
13859 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
13860 if(max < min) max = min; // enforce consistency
13861 if(def < min) def = min;
13862 if(def > max) def = max;
13866 opt->type = Spin; // Slider;
13867 } else if((p = strstr(opt->name, " -string "))) {
13868 opt->textValue = p+9;
13869 opt->type = TextBox;
13870 } else if((p = strstr(opt->name, " -file "))) {
13871 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13872 opt->textValue = p+7;
13873 opt->type = TextBox; // FileName;
13874 } else if((p = strstr(opt->name, " -path "))) {
13875 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
13876 opt->textValue = p+7;
13877 opt->type = TextBox; // PathName;
13878 } else if(p = strstr(opt->name, " -check ")) {
13879 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
13880 opt->value = (def != 0);
13881 opt->type = CheckBox;
13882 } else if(p = strstr(opt->name, " -combo ")) {
13883 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
13884 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
13885 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
13886 opt->value = n = 0;
13887 while(q = StrStr(q, " /// ")) {
13888 n++; *q = 0; // count choices, and null-terminate each of them
13890 if(*q == '*') { // remember default, which is marked with * prefix
13894 cps->comboList[cps->comboCnt++] = q;
13896 cps->comboList[cps->comboCnt++] = NULL;
13898 opt->type = ComboBox;
13899 } else if(p = strstr(opt->name, " -button")) {
13900 opt->type = Button;
13901 } else if(p = strstr(opt->name, " -save")) {
13902 opt->type = SaveButton;
13903 } else return FALSE;
13904 *p = 0; // terminate option name
13905 // now look if the command-line options define a setting for this engine option.
13906 if(cps->optionSettings && cps->optionSettings[0])
13907 p = strstr(cps->optionSettings, opt->name); else p = NULL;
13908 if(p && (p == cps->optionSettings || p[-1] == ',')) {
13909 snprintf(buf, MSG_SIZ, "option %s", p);
13910 if(p = strstr(buf, ",")) *p = 0;
13911 if(q = strchr(buf, '=')) switch(opt->type) {
13913 for(n=0; n<opt->max; n++)
13914 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
13917 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
13921 opt->value = atoi(q+1);
13926 SendToProgram(buf, cps);
13932 FeatureDone(cps, val)
13933 ChessProgramState* cps;
13936 DelayedEventCallback cb = GetDelayedEvent();
13937 if ((cb == InitBackEnd3 && cps == &first) ||
13938 (cb == SettingsMenuIfReady && cps == &second) ||
13939 (cb == TwoMachinesEventIfReady && cps == &second)) {
13940 CancelDelayedEvent();
13941 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
13943 cps->initDone = val;
13946 /* Parse feature command from engine */
13948 ParseFeatures(args, cps)
13950 ChessProgramState *cps;
13958 while (*p == ' ') p++;
13959 if (*p == NULLCHAR) return;
13961 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
13962 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
13963 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
13964 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
13965 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
13966 if (BoolFeature(&p, "reuse", &val, cps)) {
13967 /* Engine can disable reuse, but can't enable it if user said no */
13968 if (!val) cps->reuse = FALSE;
13971 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
13972 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
13973 if (gameMode == TwoMachinesPlay) {
13974 DisplayTwoMachinesTitle();
13980 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
13981 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
13982 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
13983 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
13984 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
13985 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
13986 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
13987 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
13988 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
13989 if (IntFeature(&p, "done", &val, cps)) {
13990 FeatureDone(cps, val);
13993 /* Added by Tord: */
13994 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
13995 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
13996 /* End of additions by Tord */
13998 /* [HGM] added features: */
13999 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
14000 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
14001 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
14002 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
14003 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
14004 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
14005 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
14006 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
14007 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
14008 SendToProgram(buf, cps);
14011 if(cps->nrOptions >= MAX_OPTIONS) {
14013 snprintf(buf, MSG_SIZ, "%s engine has too many options\n", cps->which);
14014 DisplayError(buf, 0);
14018 /* End of additions by HGM */
14020 /* unknown feature: complain and skip */
14022 while (*q && *q != '=') q++;
14023 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
14024 SendToProgram(buf, cps);
14030 while (*p && *p != '\"') p++;
14031 if (*p == '\"') p++;
14033 while (*p && *p != ' ') p++;
14041 PeriodicUpdatesEvent(newState)
14044 if (newState == appData.periodicUpdates)
14047 appData.periodicUpdates=newState;
14049 /* Display type changes, so update it now */
14050 // DisplayAnalysis();
14052 /* Get the ball rolling again... */
14054 AnalysisPeriodicEvent(1);
14055 StartAnalysisClock();
14060 PonderNextMoveEvent(newState)
14063 if (newState == appData.ponderNextMove) return;
14064 if (gameMode == EditPosition) EditPositionDone(TRUE);
14066 SendToProgram("hard\n", &first);
14067 if (gameMode == TwoMachinesPlay) {
14068 SendToProgram("hard\n", &second);
14071 SendToProgram("easy\n", &first);
14072 thinkOutput[0] = NULLCHAR;
14073 if (gameMode == TwoMachinesPlay) {
14074 SendToProgram("easy\n", &second);
14077 appData.ponderNextMove = newState;
14081 NewSettingEvent(option, feature, command, value)
14083 int option, value, *feature;
14087 if (gameMode == EditPosition) EditPositionDone(TRUE);
14088 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
14089 if(feature == NULL || *feature) SendToProgram(buf, &first);
14090 if (gameMode == TwoMachinesPlay) {
14091 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
14096 ShowThinkingEvent()
14097 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
14099 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
14100 int newState = appData.showThinking
14101 // [HGM] thinking: other features now need thinking output as well
14102 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
14104 if (oldState == newState) return;
14105 oldState = newState;
14106 if (gameMode == EditPosition) EditPositionDone(TRUE);
14108 SendToProgram("post\n", &first);
14109 if (gameMode == TwoMachinesPlay) {
14110 SendToProgram("post\n", &second);
14113 SendToProgram("nopost\n", &first);
14114 thinkOutput[0] = NULLCHAR;
14115 if (gameMode == TwoMachinesPlay) {
14116 SendToProgram("nopost\n", &second);
14119 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
14123 AskQuestionEvent(title, question, replyPrefix, which)
14124 char *title; char *question; char *replyPrefix; char *which;
14126 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
14127 if (pr == NoProc) return;
14128 AskQuestion(title, question, replyPrefix, pr);
14132 DisplayMove(moveNumber)
14135 char message[MSG_SIZ];
14137 char cpThinkOutput[MSG_SIZ];
14139 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
14141 if (moveNumber == forwardMostMove - 1 ||
14142 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14144 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
14146 if (strchr(cpThinkOutput, '\n')) {
14147 *strchr(cpThinkOutput, '\n') = NULLCHAR;
14150 *cpThinkOutput = NULLCHAR;
14153 /* [AS] Hide thinking from human user */
14154 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
14155 *cpThinkOutput = NULLCHAR;
14156 if( thinkOutput[0] != NULLCHAR ) {
14159 for( i=0; i<=hiddenThinkOutputState; i++ ) {
14160 cpThinkOutput[i] = '.';
14162 cpThinkOutput[i] = NULLCHAR;
14163 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
14167 if (moveNumber == forwardMostMove - 1 &&
14168 gameInfo.resultDetails != NULL) {
14169 if (gameInfo.resultDetails[0] == NULLCHAR) {
14170 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
14172 snprintf(res, MSG_SIZ, " {%s} %s",
14173 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
14179 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14180 DisplayMessage(res, cpThinkOutput);
14182 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
14183 WhiteOnMove(moveNumber) ? " " : ".. ",
14184 parseList[moveNumber], res);
14185 DisplayMessage(message, cpThinkOutput);
14190 DisplayComment(moveNumber, text)
14194 char title[MSG_SIZ];
14195 char buf[8000]; // comment can be long!
14198 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
14199 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
14201 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
14202 WhiteOnMove(moveNumber) ? " " : ".. ",
14203 parseList[moveNumber]);
14205 // [HGM] PV info: display PV info together with (or as) comment
14206 if(moveNumber >= 0 && (depth = pvInfoList[moveNumber].depth) > 0) {
14207 if(text == NULL) text = "";
14208 score = pvInfoList[moveNumber].score;
14209 snprintf(buf,sizeof(buf)/sizeof(buf[0]), "%s%.2f/%d %d\n%s", score>0 ? "+" : "", score/100.,
14210 depth, (pvInfoList[moveNumber].time+50)/100, text);
14213 if (text != NULL && (appData.autoDisplayComment || commentUp))
14214 CommentPopUp(title, text);
14217 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
14218 * might be busy thinking or pondering. It can be omitted if your
14219 * gnuchess is configured to stop thinking immediately on any user
14220 * input. However, that gnuchess feature depends on the FIONREAD
14221 * ioctl, which does not work properly on some flavors of Unix.
14225 ChessProgramState *cps;
14228 if (!cps->useSigint) return;
14229 if (appData.noChessProgram || (cps->pr == NoProc)) return;
14230 switch (gameMode) {
14231 case MachinePlaysWhite:
14232 case MachinePlaysBlack:
14233 case TwoMachinesPlay:
14234 case IcsPlayingWhite:
14235 case IcsPlayingBlack:
14238 /* Skip if we know it isn't thinking */
14239 if (!cps->maybeThinking) return;
14240 if (appData.debugMode)
14241 fprintf(debugFP, "Interrupting %s\n", cps->which);
14242 InterruptChildProcess(cps->pr);
14243 cps->maybeThinking = FALSE;
14248 #endif /*ATTENTION*/
14254 if (whiteTimeRemaining <= 0) {
14257 if (appData.icsActive) {
14258 if (appData.autoCallFlag &&
14259 gameMode == IcsPlayingBlack && !blackFlag) {
14260 SendToICS(ics_prefix);
14261 SendToICS("flag\n");
14265 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14267 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
14268 if (appData.autoCallFlag) {
14269 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
14276 if (blackTimeRemaining <= 0) {
14279 if (appData.icsActive) {
14280 if (appData.autoCallFlag &&
14281 gameMode == IcsPlayingWhite && !whiteFlag) {
14282 SendToICS(ics_prefix);
14283 SendToICS("flag\n");
14287 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
14289 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
14290 if (appData.autoCallFlag) {
14291 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
14304 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
14305 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
14308 * add time to clocks when time control is achieved ([HGM] now also used for increment)
14310 if ( !WhiteOnMove(forwardMostMove) ) {
14311 /* White made time control */
14312 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
14313 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
14314 /* [HGM] time odds: correct new time quota for time odds! */
14315 / WhitePlayer()->timeOdds;
14316 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
14318 lastBlack -= blackTimeRemaining;
14319 /* Black made time control */
14320 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
14321 / WhitePlayer()->other->timeOdds;
14322 lastWhite = whiteTimeRemaining;
14327 DisplayBothClocks()
14329 int wom = gameMode == EditPosition ?
14330 !blackPlaysFirst : WhiteOnMove(currentMove);
14331 DisplayWhiteClock(whiteTimeRemaining, wom);
14332 DisplayBlackClock(blackTimeRemaining, !wom);
14336 /* Timekeeping seems to be a portability nightmare. I think everyone
14337 has ftime(), but I'm really not sure, so I'm including some ifdefs
14338 to use other calls if you don't. Clocks will be less accurate if
14339 you have neither ftime nor gettimeofday.
14342 /* VS 2008 requires the #include outside of the function */
14343 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
14344 #include <sys/timeb.h>
14347 /* Get the current time as a TimeMark */
14352 #if HAVE_GETTIMEOFDAY
14354 struct timeval timeVal;
14355 struct timezone timeZone;
14357 gettimeofday(&timeVal, &timeZone);
14358 tm->sec = (long) timeVal.tv_sec;
14359 tm->ms = (int) (timeVal.tv_usec / 1000L);
14361 #else /*!HAVE_GETTIMEOFDAY*/
14364 // include <sys/timeb.h> / moved to just above start of function
14365 struct timeb timeB;
14368 tm->sec = (long) timeB.time;
14369 tm->ms = (int) timeB.millitm;
14371 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
14372 tm->sec = (long) time(NULL);
14378 /* Return the difference in milliseconds between two
14379 time marks. We assume the difference will fit in a long!
14382 SubtractTimeMarks(tm2, tm1)
14383 TimeMark *tm2, *tm1;
14385 return 1000L*(tm2->sec - tm1->sec) +
14386 (long) (tm2->ms - tm1->ms);
14391 * Code to manage the game clocks.
14393 * In tournament play, black starts the clock and then white makes a move.
14394 * We give the human user a slight advantage if he is playing white---the
14395 * clocks don't run until he makes his first move, so it takes zero time.
14396 * Also, we don't account for network lag, so we could get out of sync
14397 * with GNU Chess's clock -- but then, referees are always right.
14400 static TimeMark tickStartTM;
14401 static long intendedTickLength;
14404 NextTickLength(timeRemaining)
14405 long timeRemaining;
14407 long nominalTickLength, nextTickLength;
14409 if (timeRemaining > 0L && timeRemaining <= 10000L)
14410 nominalTickLength = 100L;
14412 nominalTickLength = 1000L;
14413 nextTickLength = timeRemaining % nominalTickLength;
14414 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
14416 return nextTickLength;
14419 /* Adjust clock one minute up or down */
14421 AdjustClock(Boolean which, int dir)
14423 if(which) blackTimeRemaining += 60000*dir;
14424 else whiteTimeRemaining += 60000*dir;
14425 DisplayBothClocks();
14428 /* Stop clocks and reset to a fresh time control */
14432 (void) StopClockTimer();
14433 if (appData.icsActive) {
14434 whiteTimeRemaining = blackTimeRemaining = 0;
14435 } else if (searchTime) {
14436 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14437 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14438 } else { /* [HGM] correct new time quote for time odds */
14439 whiteTC = blackTC = fullTimeControlString;
14440 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
14441 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
14443 if (whiteFlag || blackFlag) {
14445 whiteFlag = blackFlag = FALSE;
14447 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
14448 DisplayBothClocks();
14451 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
14453 /* Decrement running clock by amount of time that has passed */
14457 long timeRemaining;
14458 long lastTickLength, fudge;
14461 if (!appData.clockMode) return;
14462 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
14466 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14468 /* Fudge if we woke up a little too soon */
14469 fudge = intendedTickLength - lastTickLength;
14470 if (fudge < 0 || fudge > FUDGE) fudge = 0;
14472 if (WhiteOnMove(forwardMostMove)) {
14473 if(whiteNPS >= 0) lastTickLength = 0;
14474 timeRemaining = whiteTimeRemaining -= lastTickLength;
14475 if(timeRemaining < 0 && !appData.icsActive) {
14476 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
14477 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
14478 whiteStartMove = forwardMostMove; whiteTC = nextSession;
14479 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
14482 DisplayWhiteClock(whiteTimeRemaining - fudge,
14483 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14485 if(blackNPS >= 0) lastTickLength = 0;
14486 timeRemaining = blackTimeRemaining -= lastTickLength;
14487 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
14488 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
14490 blackStartMove = forwardMostMove;
14491 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
14494 DisplayBlackClock(blackTimeRemaining - fudge,
14495 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
14497 if (CheckFlags()) return;
14500 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
14501 StartClockTimer(intendedTickLength);
14503 /* if the time remaining has fallen below the alarm threshold, sound the
14504 * alarm. if the alarm has sounded and (due to a takeback or time control
14505 * with increment) the time remaining has increased to a level above the
14506 * threshold, reset the alarm so it can sound again.
14509 if (appData.icsActive && appData.icsAlarm) {
14511 /* make sure we are dealing with the user's clock */
14512 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
14513 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
14516 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
14517 alarmSounded = FALSE;
14518 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
14520 alarmSounded = TRUE;
14526 /* A player has just moved, so stop the previously running
14527 clock and (if in clock mode) start the other one.
14528 We redisplay both clocks in case we're in ICS mode, because
14529 ICS gives us an update to both clocks after every move.
14530 Note that this routine is called *after* forwardMostMove
14531 is updated, so the last fractional tick must be subtracted
14532 from the color that is *not* on move now.
14535 SwitchClocks(int newMoveNr)
14537 long lastTickLength;
14539 int flagged = FALSE;
14543 if (StopClockTimer() && appData.clockMode) {
14544 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14545 if (!WhiteOnMove(forwardMostMove)) {
14546 if(blackNPS >= 0) lastTickLength = 0;
14547 blackTimeRemaining -= lastTickLength;
14548 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14549 // if(pvInfoList[forwardMostMove].time == -1)
14550 pvInfoList[forwardMostMove].time = // use GUI time
14551 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
14553 if(whiteNPS >= 0) lastTickLength = 0;
14554 whiteTimeRemaining -= lastTickLength;
14555 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
14556 // if(pvInfoList[forwardMostMove].time == -1)
14557 pvInfoList[forwardMostMove].time =
14558 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
14560 flagged = CheckFlags();
14562 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
14563 CheckTimeControl();
14565 if (flagged || !appData.clockMode) return;
14567 switch (gameMode) {
14568 case MachinePlaysBlack:
14569 case MachinePlaysWhite:
14570 case BeginningOfGame:
14571 if (pausing) return;
14575 case PlayFromGameFile:
14583 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
14584 if(WhiteOnMove(forwardMostMove))
14585 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
14586 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
14590 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14591 whiteTimeRemaining : blackTimeRemaining);
14592 StartClockTimer(intendedTickLength);
14596 /* Stop both clocks */
14600 long lastTickLength;
14603 if (!StopClockTimer()) return;
14604 if (!appData.clockMode) return;
14608 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
14609 if (WhiteOnMove(forwardMostMove)) {
14610 if(whiteNPS >= 0) lastTickLength = 0;
14611 whiteTimeRemaining -= lastTickLength;
14612 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
14614 if(blackNPS >= 0) lastTickLength = 0;
14615 blackTimeRemaining -= lastTickLength;
14616 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
14621 /* Start clock of player on move. Time may have been reset, so
14622 if clock is already running, stop and restart it. */
14626 (void) StopClockTimer(); /* in case it was running already */
14627 DisplayBothClocks();
14628 if (CheckFlags()) return;
14630 if (!appData.clockMode) return;
14631 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
14633 GetTimeMark(&tickStartTM);
14634 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
14635 whiteTimeRemaining : blackTimeRemaining);
14637 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
14638 whiteNPS = blackNPS = -1;
14639 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
14640 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
14641 whiteNPS = first.nps;
14642 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
14643 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
14644 blackNPS = first.nps;
14645 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
14646 whiteNPS = second.nps;
14647 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
14648 blackNPS = second.nps;
14649 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
14651 StartClockTimer(intendedTickLength);
14658 long second, minute, hour, day;
14660 static char buf[32];
14662 if (ms > 0 && ms <= 9900) {
14663 /* convert milliseconds to tenths, rounding up */
14664 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
14666 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
14670 /* convert milliseconds to seconds, rounding up */
14671 /* use floating point to avoid strangeness of integer division
14672 with negative dividends on many machines */
14673 second = (long) floor(((double) (ms + 999L)) / 1000.0);
14680 day = second / (60 * 60 * 24);
14681 second = second % (60 * 60 * 24);
14682 hour = second / (60 * 60);
14683 second = second % (60 * 60);
14684 minute = second / 60;
14685 second = second % 60;
14688 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
14689 sign, day, hour, minute, second);
14691 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
14693 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
14700 * This is necessary because some C libraries aren't ANSI C compliant yet.
14703 StrStr(string, match)
14704 char *string, *match;
14708 length = strlen(match);
14710 for (i = strlen(string) - length; i >= 0; i--, string++)
14711 if (!strncmp(match, string, length))
14718 StrCaseStr(string, match)
14719 char *string, *match;
14723 length = strlen(match);
14725 for (i = strlen(string) - length; i >= 0; i--, string++) {
14726 for (j = 0; j < length; j++) {
14727 if (ToLower(match[j]) != ToLower(string[j]))
14730 if (j == length) return string;
14744 c1 = ToLower(*s1++);
14745 c2 = ToLower(*s2++);
14746 if (c1 > c2) return 1;
14747 if (c1 < c2) return -1;
14748 if (c1 == NULLCHAR) return 0;
14757 return isupper(c) ? tolower(c) : c;
14765 return islower(c) ? toupper(c) : c;
14767 #endif /* !_amigados */
14775 if ((ret = (char *) malloc(strlen(s) + 1)))
14777 safeStrCpy(ret, s, strlen(s)+1);
14783 StrSavePtr(s, savePtr)
14784 char *s, **savePtr;
14789 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
14790 safeStrCpy(*savePtr, s, strlen(s)+1);
14802 clock = time((time_t *)NULL);
14803 tm = localtime(&clock);
14804 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
14805 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
14806 return StrSave(buf);
14811 PositionToFEN(move, overrideCastling)
14813 char *overrideCastling;
14815 int i, j, fromX, fromY, toX, toY;
14822 whiteToPlay = (gameMode == EditPosition) ?
14823 !blackPlaysFirst : (move % 2 == 0);
14826 /* Piece placement data */
14827 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14829 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14830 if (boards[move][i][j] == EmptySquare) {
14832 } else { ChessSquare piece = boards[move][i][j];
14833 if (emptycount > 0) {
14834 if(emptycount<10) /* [HGM] can be >= 10 */
14835 *p++ = '0' + emptycount;
14836 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14839 if(PieceToChar(piece) == '+') {
14840 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
14842 piece = (ChessSquare)(DEMOTED piece);
14844 *p++ = PieceToChar(piece);
14846 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
14847 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
14852 if (emptycount > 0) {
14853 if(emptycount<10) /* [HGM] can be >= 10 */
14854 *p++ = '0' + emptycount;
14855 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
14862 /* [HGM] print Crazyhouse or Shogi holdings */
14863 if( gameInfo.holdingsWidth ) {
14864 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
14866 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
14867 piece = boards[move][i][BOARD_WIDTH-1];
14868 if( piece != EmptySquare )
14869 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
14870 *p++ = PieceToChar(piece);
14872 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
14873 piece = boards[move][BOARD_HEIGHT-i-1][0];
14874 if( piece != EmptySquare )
14875 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
14876 *p++ = PieceToChar(piece);
14879 if( q == p ) *p++ = '-';
14885 *p++ = whiteToPlay ? 'w' : 'b';
14888 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
14889 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
14891 if(nrCastlingRights) {
14893 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
14894 /* [HGM] write directly from rights */
14895 if(boards[move][CASTLING][2] != NoRights &&
14896 boards[move][CASTLING][0] != NoRights )
14897 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
14898 if(boards[move][CASTLING][2] != NoRights &&
14899 boards[move][CASTLING][1] != NoRights )
14900 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
14901 if(boards[move][CASTLING][5] != NoRights &&
14902 boards[move][CASTLING][3] != NoRights )
14903 *p++ = boards[move][CASTLING][3] + AAA;
14904 if(boards[move][CASTLING][5] != NoRights &&
14905 boards[move][CASTLING][4] != NoRights )
14906 *p++ = boards[move][CASTLING][4] + AAA;
14909 /* [HGM] write true castling rights */
14910 if( nrCastlingRights == 6 ) {
14911 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
14912 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
14913 if(boards[move][CASTLING][1] == BOARD_LEFT &&
14914 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
14915 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
14916 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
14917 if(boards[move][CASTLING][4] == BOARD_LEFT &&
14918 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
14921 if (q == p) *p++ = '-'; /* No castling rights */
14925 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
14926 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
14927 /* En passant target square */
14928 if (move > backwardMostMove) {
14929 fromX = moveList[move - 1][0] - AAA;
14930 fromY = moveList[move - 1][1] - ONE;
14931 toX = moveList[move - 1][2] - AAA;
14932 toY = moveList[move - 1][3] - ONE;
14933 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
14934 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
14935 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
14937 /* 2-square pawn move just happened */
14939 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14943 } else if(move == backwardMostMove) {
14944 // [HGM] perhaps we should always do it like this, and forget the above?
14945 if((signed char)boards[move][EP_STATUS] >= 0) {
14946 *p++ = boards[move][EP_STATUS] + AAA;
14947 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
14958 /* [HGM] find reversible plies */
14959 { int i = 0, j=move;
14961 if (appData.debugMode) { int k;
14962 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
14963 for(k=backwardMostMove; k<=forwardMostMove; k++)
14964 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
14968 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
14969 if( j == backwardMostMove ) i += initialRulePlies;
14970 sprintf(p, "%d ", i);
14971 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
14973 /* Fullmove number */
14974 sprintf(p, "%d", (move / 2) + 1);
14976 return StrSave(buf);
14980 ParseFEN(board, blackPlaysFirst, fen)
14982 int *blackPlaysFirst;
14992 /* [HGM] by default clear Crazyhouse holdings, if present */
14993 if(gameInfo.holdingsWidth) {
14994 for(i=0; i<BOARD_HEIGHT; i++) {
14995 board[i][0] = EmptySquare; /* black holdings */
14996 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
14997 board[i][1] = (ChessSquare) 0; /* black counts */
14998 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
15002 /* Piece placement data */
15003 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15006 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
15007 if (*p == '/') p++;
15008 emptycount = gameInfo.boardWidth - j;
15009 while (emptycount--)
15010 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15012 #if(BOARD_FILES >= 10)
15013 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
15014 p++; emptycount=10;
15015 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15016 while (emptycount--)
15017 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15019 } else if (isdigit(*p)) {
15020 emptycount = *p++ - '0';
15021 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
15022 if (j + emptycount > gameInfo.boardWidth) return FALSE;
15023 while (emptycount--)
15024 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
15025 } else if (*p == '+' || isalpha(*p)) {
15026 if (j >= gameInfo.boardWidth) return FALSE;
15028 piece = CharToPiece(*++p);
15029 if(piece == EmptySquare) return FALSE; /* unknown piece */
15030 piece = (ChessSquare) (PROMOTED piece ); p++;
15031 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
15032 } else piece = CharToPiece(*p++);
15034 if(piece==EmptySquare) return FALSE; /* unknown piece */
15035 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
15036 piece = (ChessSquare) (PROMOTED piece);
15037 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
15040 board[i][(j++)+gameInfo.holdingsWidth] = piece;
15046 while (*p == '/' || *p == ' ') p++;
15048 /* [HGM] look for Crazyhouse holdings here */
15049 while(*p==' ') p++;
15050 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
15052 if(*p == '-' ) p++; /* empty holdings */ else {
15053 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
15054 /* if we would allow FEN reading to set board size, we would */
15055 /* have to add holdings and shift the board read so far here */
15056 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
15058 if((int) piece >= (int) BlackPawn ) {
15059 i = (int)piece - (int)BlackPawn;
15060 i = PieceToNumber((ChessSquare)i);
15061 if( i >= gameInfo.holdingsSize ) return FALSE;
15062 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
15063 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
15065 i = (int)piece - (int)WhitePawn;
15066 i = PieceToNumber((ChessSquare)i);
15067 if( i >= gameInfo.holdingsSize ) return FALSE;
15068 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
15069 board[i][BOARD_WIDTH-2]++; /* black holdings */
15076 while(*p == ' ') p++;
15080 if(appData.colorNickNames) {
15081 if( c == appData.colorNickNames[0] ) c = 'w'; else
15082 if( c == appData.colorNickNames[1] ) c = 'b';
15086 *blackPlaysFirst = FALSE;
15089 *blackPlaysFirst = TRUE;
15095 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
15096 /* return the extra info in global variiables */
15098 /* set defaults in case FEN is incomplete */
15099 board[EP_STATUS] = EP_UNKNOWN;
15100 for(i=0; i<nrCastlingRights; i++ ) {
15101 board[CASTLING][i] =
15102 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
15103 } /* assume possible unless obviously impossible */
15104 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
15105 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
15106 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
15107 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
15108 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
15109 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
15110 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
15111 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
15114 while(*p==' ') p++;
15115 if(nrCastlingRights) {
15116 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
15117 /* castling indicator present, so default becomes no castlings */
15118 for(i=0; i<nrCastlingRights; i++ ) {
15119 board[CASTLING][i] = NoRights;
15122 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
15123 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
15124 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
15125 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
15126 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
15128 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
15129 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
15130 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
15132 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
15133 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
15134 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
15135 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
15136 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
15137 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
15140 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
15141 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
15142 board[CASTLING][2] = whiteKingFile;
15145 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
15146 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
15147 board[CASTLING][2] = whiteKingFile;
15150 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
15151 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
15152 board[CASTLING][5] = blackKingFile;
15155 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
15156 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
15157 board[CASTLING][5] = blackKingFile;
15160 default: /* FRC castlings */
15161 if(c >= 'a') { /* black rights */
15162 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15163 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
15164 if(i == BOARD_RGHT) break;
15165 board[CASTLING][5] = i;
15167 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
15168 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
15170 board[CASTLING][3] = c;
15172 board[CASTLING][4] = c;
15173 } else { /* white rights */
15174 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
15175 if(board[0][i] == WhiteKing) break;
15176 if(i == BOARD_RGHT) break;
15177 board[CASTLING][2] = i;
15178 c -= AAA - 'a' + 'A';
15179 if(board[0][c] >= WhiteKing) break;
15181 board[CASTLING][0] = c;
15183 board[CASTLING][1] = c;
15187 for(i=0; i<nrCastlingRights; i++)
15188 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
15189 if (appData.debugMode) {
15190 fprintf(debugFP, "FEN castling rights:");
15191 for(i=0; i<nrCastlingRights; i++)
15192 fprintf(debugFP, " %d", board[CASTLING][i]);
15193 fprintf(debugFP, "\n");
15196 while(*p==' ') p++;
15199 /* read e.p. field in games that know e.p. capture */
15200 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
15201 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
15203 p++; board[EP_STATUS] = EP_NONE;
15205 char c = *p++ - AAA;
15207 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
15208 if(*p >= '0' && *p <='9') p++;
15209 board[EP_STATUS] = c;
15214 if(sscanf(p, "%d", &i) == 1) {
15215 FENrulePlies = i; /* 50-move ply counter */
15216 /* (The move number is still ignored) */
15223 EditPositionPasteFEN(char *fen)
15226 Board initial_position;
15228 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
15229 DisplayError(_("Bad FEN position in clipboard"), 0);
15232 int savedBlackPlaysFirst = blackPlaysFirst;
15233 EditPositionEvent();
15234 blackPlaysFirst = savedBlackPlaysFirst;
15235 CopyBoard(boards[0], initial_position);
15236 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
15237 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
15238 DisplayBothClocks();
15239 DrawPosition(FALSE, boards[currentMove]);
15244 static char cseq[12] = "\\ ";
15246 Boolean set_cont_sequence(char *new_seq)
15251 // handle bad attempts to set the sequence
15253 return 0; // acceptable error - no debug
15255 len = strlen(new_seq);
15256 ret = (len > 0) && (len < sizeof(cseq));
15258 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
15259 else if (appData.debugMode)
15260 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
15265 reformat a source message so words don't cross the width boundary. internal
15266 newlines are not removed. returns the wrapped size (no null character unless
15267 included in source message). If dest is NULL, only calculate the size required
15268 for the dest buffer. lp argument indicats line position upon entry, and it's
15269 passed back upon exit.
15271 int wrap(char *dest, char *src, int count, int width, int *lp)
15273 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
15275 cseq_len = strlen(cseq);
15276 old_line = line = *lp;
15277 ansi = len = clen = 0;
15279 for (i=0; i < count; i++)
15281 if (src[i] == '\033')
15284 // if we hit the width, back up
15285 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
15287 // store i & len in case the word is too long
15288 old_i = i, old_len = len;
15290 // find the end of the last word
15291 while (i && src[i] != ' ' && src[i] != '\n')
15297 // word too long? restore i & len before splitting it
15298 if ((old_i-i+clen) >= width)
15305 if (i && src[i-1] == ' ')
15308 if (src[i] != ' ' && src[i] != '\n')
15315 // now append the newline and continuation sequence
15320 strncpy(dest+len, cseq, cseq_len);
15328 dest[len] = src[i];
15332 if (src[i] == '\n')
15337 if (dest && appData.debugMode)
15339 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
15340 count, width, line, len, *lp);
15341 show_bytes(debugFP, src, count);
15342 fprintf(debugFP, "\ndest: ");
15343 show_bytes(debugFP, dest, len);
15344 fprintf(debugFP, "\n");
15346 *lp = dest ? line : old_line;
15351 // [HGM] vari: routines for shelving variations
15354 PushTail(int firstMove, int lastMove)
15356 int i, j, nrMoves = lastMove - firstMove;
15358 if(appData.icsActive) { // only in local mode
15359 forwardMostMove = currentMove; // mimic old ICS behavior
15362 if(storedGames >= MAX_VARIATIONS-1) return;
15364 // push current tail of game on stack
15365 savedResult[storedGames] = gameInfo.result;
15366 savedDetails[storedGames] = gameInfo.resultDetails;
15367 gameInfo.resultDetails = NULL;
15368 savedFirst[storedGames] = firstMove;
15369 savedLast [storedGames] = lastMove;
15370 savedFramePtr[storedGames] = framePtr;
15371 framePtr -= nrMoves; // reserve space for the boards
15372 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
15373 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
15374 for(j=0; j<MOVE_LEN; j++)
15375 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
15376 for(j=0; j<2*MOVE_LEN; j++)
15377 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
15378 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
15379 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
15380 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
15381 pvInfoList[firstMove+i-1].depth = 0;
15382 commentList[framePtr+i] = commentList[firstMove+i];
15383 commentList[firstMove+i] = NULL;
15387 forwardMostMove = firstMove; // truncate game so we can start variation
15388 if(storedGames == 1) GreyRevert(FALSE);
15392 PopTail(Boolean annotate)
15395 char buf[8000], moveBuf[20];
15397 if(appData.icsActive) return FALSE; // only in local mode
15398 if(!storedGames) return FALSE; // sanity
15399 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
15402 ToNrEvent(savedFirst[storedGames]); // sets currentMove
15403 nrMoves = savedLast[storedGames] - currentMove;
15406 if(!WhiteOnMove(currentMove))
15407 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
15408 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
15409 for(i=currentMove; i<forwardMostMove; i++) {
15411 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
15412 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
15413 strcat(buf, moveBuf);
15414 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
15415 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
15419 for(i=1; i<=nrMoves; i++) { // copy last variation back
15420 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
15421 for(j=0; j<MOVE_LEN; j++)
15422 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
15423 for(j=0; j<2*MOVE_LEN; j++)
15424 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
15425 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
15426 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
15427 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
15428 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
15429 commentList[currentMove+i] = commentList[framePtr+i];
15430 commentList[framePtr+i] = NULL;
15432 if(annotate) AppendComment(currentMove+1, buf, FALSE);
15433 framePtr = savedFramePtr[storedGames];
15434 gameInfo.result = savedResult[storedGames];
15435 if(gameInfo.resultDetails != NULL) {
15436 free(gameInfo.resultDetails);
15438 gameInfo.resultDetails = savedDetails[storedGames];
15439 forwardMostMove = currentMove + nrMoves;
15440 if(storedGames == 0) GreyRevert(TRUE);
15446 { // remove all shelved variations
15448 for(i=0; i<storedGames; i++) {
15449 if(savedDetails[i])
15450 free(savedDetails[i]);
15451 savedDetails[i] = NULL;
15453 for(i=framePtr; i<MAX_MOVES; i++) {
15454 if(commentList[i]) free(commentList[i]);
15455 commentList[i] = NULL;
15457 framePtr = MAX_MOVES-1;
15462 LoadVariation(int index, char *text)
15463 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
15464 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
15465 int level = 0, move;
15467 if(gameMode != EditGame && gameMode != AnalyzeMode) return;
15468 // first find outermost bracketing variation
15469 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
15470 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
15471 if(*p == '{') wait = '}'; else
15472 if(*p == '[') wait = ']'; else
15473 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
15474 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
15476 if(*p == wait) wait = NULLCHAR; // closing ]} found
15479 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
15480 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
15481 end[1] = NULLCHAR; // clip off comment beyond variation
15482 ToNrEvent(currentMove-1);
15483 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
15484 // kludge: use ParsePV() to append variation to game
15485 move = currentMove;
15486 ParsePV(start, TRUE);
15487 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
15488 ClearPremoveHighlights();
15490 ToNrEvent(currentMove+1);