2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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 int flock(int f, int code);
63 # define EGBB_NAME "egbbdll64.dll"
65 # define EGBB_NAME "egbbdll.dll"
70 # include <sys/file.h>
75 # define EGBB_NAME "egbbso64.so"
77 # define EGBB_NAME "egbbso.so"
79 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
81 # define HMODULE void *
82 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
83 # define GetProcAddress dlsym
93 #include <sys/types.h>
102 #else /* not STDC_HEADERS */
105 # else /* not HAVE_STRING_H */
106 # include <strings.h>
107 # endif /* not HAVE_STRING_H */
108 #endif /* not STDC_HEADERS */
111 # include <sys/fcntl.h>
112 #else /* not HAVE_SYS_FCNTL_H */
115 # endif /* HAVE_FCNTL_H */
116 #endif /* not HAVE_SYS_FCNTL_H */
118 #if TIME_WITH_SYS_TIME
119 # include <sys/time.h>
123 # include <sys/time.h>
129 #if defined(_amigados) && !defined(__GNUC__)
134 extern int gettimeofday(struct timeval *, struct timezone *);
142 #include "frontend.h"
149 #include "backendz.h"
150 #include "evalgraph.h"
151 #include "engineoutput.h"
155 # define _(s) gettext (s)
156 # define N_(s) gettext_noop (s)
157 # define T_(s) gettext(s)
170 int establish P((void));
171 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
172 char *buf, int count, int error));
173 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
174 char *buf, int count, int error));
175 void SendToICS P((char *s));
176 void SendToICSDelayed P((char *s, long msdelay));
177 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
178 void HandleMachineMove P((char *message, ChessProgramState *cps));
179 int AutoPlayOneMove P((void));
180 int LoadGameOneMove P((ChessMove readAhead));
181 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
182 int LoadPositionFromFile P((char *filename, int n, char *title));
183 int SavePositionToFile P((char *filename));
184 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
185 void ShowMove P((int fromX, int fromY, int toX, int toY));
186 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
187 /*char*/int promoChar));
188 void BackwardInner P((int target));
189 void ForwardInner P((int target));
190 int Adjudicate P((ChessProgramState *cps));
191 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
192 void EditPositionDone P((Boolean fakeRights));
193 void PrintOpponents P((FILE *fp));
194 void PrintPosition P((FILE *fp, int move));
195 void StartChessProgram P((ChessProgramState *cps));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4167 ClearPremoveHighlights();
4168 if (appData.debugMode)
4169 fprintf(debugFP, "Sending premove:\n");
4170 UserMoveEvent(premoveFromX, premoveFromY,
4171 premoveToX, premoveToY,
4176 /* Usually suppress following prompt */
4177 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4178 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4179 if (looking_at(buf, &i, "*% ")) {
4180 savingComment = FALSE;
4185 } else if (started == STARTED_HOLDINGS) {
4187 char new_piece[MSG_SIZ];
4188 started = STARTED_NONE;
4189 parse[parse_pos] = NULLCHAR;
4190 if (appData.debugMode)
4191 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4192 parse, currentMove);
4193 if (sscanf(parse, " game %d", &gamenum) == 1) {
4194 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4195 if (gameInfo.variant == VariantNormal) {
4196 /* [HGM] We seem to switch variant during a game!
4197 * Presumably no holdings were displayed, so we have
4198 * to move the position two files to the right to
4199 * create room for them!
4201 VariantClass newVariant;
4202 switch(gameInfo.boardWidth) { // base guess on board width
4203 case 9: newVariant = VariantShogi; break;
4204 case 10: newVariant = VariantGreat; break;
4205 default: newVariant = VariantCrazyhouse; break;
4207 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4208 /* Get a move list just to see the header, which
4209 will tell us whether this is really bug or zh */
4210 if (ics_getting_history == H_FALSE) {
4211 ics_getting_history = H_REQUESTED;
4212 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4216 new_piece[0] = NULLCHAR;
4217 sscanf(parse, "game %d white [%s black [%s <- %s",
4218 &gamenum, white_holding, black_holding,
4220 white_holding[strlen(white_holding)-1] = NULLCHAR;
4221 black_holding[strlen(black_holding)-1] = NULLCHAR;
4222 /* [HGM] copy holdings to board holdings area */
4223 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4224 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4225 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4227 if (appData.zippyPlay && first.initDone) {
4228 ZippyHoldings(white_holding, black_holding,
4232 if (tinyLayout || smallLayout) {
4233 char wh[16], bh[16];
4234 PackHolding(wh, white_holding);
4235 PackHolding(bh, black_holding);
4236 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4237 gameInfo.white, gameInfo.black);
4239 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4240 gameInfo.white, white_holding, _("vs."),
4241 gameInfo.black, black_holding);
4243 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4244 DrawPosition(FALSE, boards[currentMove]);
4246 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4247 sscanf(parse, "game %d white [%s black [%s <- %s",
4248 &gamenum, white_holding, black_holding,
4250 white_holding[strlen(white_holding)-1] = NULLCHAR;
4251 black_holding[strlen(black_holding)-1] = NULLCHAR;
4252 /* [HGM] copy holdings to partner-board holdings area */
4253 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4254 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4255 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4256 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4257 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4260 /* Suppress following prompt */
4261 if (looking_at(buf, &i, "*% ")) {
4262 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4263 savingComment = FALSE;
4271 i++; /* skip unparsed character and loop back */
4274 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4275 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4276 // SendToPlayer(&buf[next_out], i - next_out);
4277 started != STARTED_HOLDINGS && leftover_start > next_out) {
4278 SendToPlayer(&buf[next_out], leftover_start - next_out);
4282 leftover_len = buf_len - leftover_start;
4283 /* if buffer ends with something we couldn't parse,
4284 reparse it after appending the next read */
4286 } else if (count == 0) {
4287 RemoveInputSource(isr);
4288 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4290 DisplayFatalError(_("Error reading from ICS"), error, 1);
4295 /* Board style 12 looks like this:
4297 <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
4299 * The "<12> " is stripped before it gets to this routine. The two
4300 * trailing 0's (flip state and clock ticking) are later addition, and
4301 * some chess servers may not have them, or may have only the first.
4302 * Additional trailing fields may be added in the future.
4305 #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"
4307 #define RELATION_OBSERVING_PLAYED 0
4308 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4309 #define RELATION_PLAYING_MYMOVE 1
4310 #define RELATION_PLAYING_NOTMYMOVE -1
4311 #define RELATION_EXAMINING 2
4312 #define RELATION_ISOLATED_BOARD -3
4313 #define RELATION_STARTING_POSITION -4 /* FICS only */
4316 ParseBoard12 (char *string)
4320 char *bookHit = NULL; // [HGM] book
4322 GameMode newGameMode;
4323 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4324 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4325 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4326 char to_play, board_chars[200];
4327 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4328 char black[32], white[32];
4330 int prevMove = currentMove;
4333 int fromX, fromY, toX, toY;
4335 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4336 Boolean weird = FALSE, reqFlag = FALSE;
4338 fromX = fromY = toX = toY = -1;
4342 if (appData.debugMode)
4343 fprintf(debugFP, "Parsing board: %s\n", string);
4345 move_str[0] = NULLCHAR;
4346 elapsed_time[0] = NULLCHAR;
4347 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4349 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4350 if(string[i] == ' ') { ranks++; files = 0; }
4352 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4355 for(j = 0; j <i; j++) board_chars[j] = string[j];
4356 board_chars[i] = '\0';
4359 n = sscanf(string, PATTERN, &to_play, &double_push,
4360 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4361 &gamenum, white, black, &relation, &basetime, &increment,
4362 &white_stren, &black_stren, &white_time, &black_time,
4363 &moveNum, str, elapsed_time, move_str, &ics_flip,
4367 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4368 DisplayError(str, 0);
4372 /* Convert the move number to internal form */
4373 moveNum = (moveNum - 1) * 2;
4374 if (to_play == 'B') moveNum++;
4375 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4376 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4382 case RELATION_OBSERVING_PLAYED:
4383 case RELATION_OBSERVING_STATIC:
4384 if (gamenum == -1) {
4385 /* Old ICC buglet */
4386 relation = RELATION_OBSERVING_STATIC;
4388 newGameMode = IcsObserving;
4390 case RELATION_PLAYING_MYMOVE:
4391 case RELATION_PLAYING_NOTMYMOVE:
4393 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4394 IcsPlayingWhite : IcsPlayingBlack;
4395 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4397 case RELATION_EXAMINING:
4398 newGameMode = IcsExamining;
4400 case RELATION_ISOLATED_BOARD:
4402 /* Just display this board. If user was doing something else,
4403 we will forget about it until the next board comes. */
4404 newGameMode = IcsIdle;
4406 case RELATION_STARTING_POSITION:
4407 newGameMode = gameMode;
4411 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4412 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4413 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4414 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4415 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4416 static int lastBgGame = -1;
4418 for (k = 0; k < ranks; k++) {
4419 for (j = 0; j < files; j++)
4420 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4421 if(gameInfo.holdingsWidth > 1) {
4422 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4423 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4426 CopyBoard(partnerBoard, board);
4427 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4428 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4429 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4430 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4431 if(toSqr = strchr(str, '-')) {
4432 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4433 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4434 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4435 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4436 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4437 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4439 DisplayWhiteClock(white_time*fac, to_play == 'W');
4440 DisplayBlackClock(black_time*fac, to_play != 'W');
4441 activePartner = to_play;
4442 if(gamenum != lastBgGame) {
4444 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4447 lastBgGame = gamenum;
4448 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4449 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4450 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4451 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4452 if(!twoBoards) DisplayMessage(partnerStatus, "");
4453 partnerBoardValid = TRUE;
4457 if(appData.dualBoard && appData.bgObserve) {
4458 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4459 SendToICS(ics_prefix), SendToICS("pobserve\n");
4460 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4462 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4467 /* Modify behavior for initial board display on move listing
4470 switch (ics_getting_history) {
4474 case H_GOT_REQ_HEADER:
4475 case H_GOT_UNREQ_HEADER:
4476 /* This is the initial position of the current game */
4477 gamenum = ics_gamenum;
4478 moveNum = 0; /* old ICS bug workaround */
4479 if (to_play == 'B') {
4480 startedFromSetupPosition = TRUE;
4481 blackPlaysFirst = TRUE;
4483 if (forwardMostMove == 0) forwardMostMove = 1;
4484 if (backwardMostMove == 0) backwardMostMove = 1;
4485 if (currentMove == 0) currentMove = 1;
4487 newGameMode = gameMode;
4488 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4490 case H_GOT_UNWANTED_HEADER:
4491 /* This is an initial board that we don't want */
4493 case H_GETTING_MOVES:
4494 /* Should not happen */
4495 DisplayError(_("Error gathering move list: extra board"), 0);
4496 ics_getting_history = H_FALSE;
4500 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4501 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4502 weird && (int)gameInfo.variant < (int)VariantShogi) {
4503 /* [HGM] We seem to have switched variant unexpectedly
4504 * Try to guess new variant from board size
4506 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4507 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4508 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4509 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4510 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4511 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4512 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4513 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4514 /* Get a move list just to see the header, which
4515 will tell us whether this is really bug or zh */
4516 if (ics_getting_history == H_FALSE) {
4517 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4518 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4523 /* Take action if this is the first board of a new game, or of a
4524 different game than is currently being displayed. */
4525 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4526 relation == RELATION_ISOLATED_BOARD) {
4528 /* Forget the old game and get the history (if any) of the new one */
4529 if (gameMode != BeginningOfGame) {
4533 if (appData.autoRaiseBoard) BoardToTop();
4535 if (gamenum == -1) {
4536 newGameMode = IcsIdle;
4537 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4538 appData.getMoveList && !reqFlag) {
4539 /* Need to get game history */
4540 ics_getting_history = H_REQUESTED;
4541 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4545 /* Initially flip the board to have black on the bottom if playing
4546 black or if the ICS flip flag is set, but let the user change
4547 it with the Flip View button. */
4548 flipView = appData.autoFlipView ?
4549 (newGameMode == IcsPlayingBlack) || ics_flip :
4552 /* Done with values from previous mode; copy in new ones */
4553 gameMode = newGameMode;
4555 ics_gamenum = gamenum;
4556 if (gamenum == gs_gamenum) {
4557 int klen = strlen(gs_kind);
4558 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4559 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4560 gameInfo.event = StrSave(str);
4562 gameInfo.event = StrSave("ICS game");
4564 gameInfo.site = StrSave(appData.icsHost);
4565 gameInfo.date = PGNDate();
4566 gameInfo.round = StrSave("-");
4567 gameInfo.white = StrSave(white);
4568 gameInfo.black = StrSave(black);
4569 timeControl = basetime * 60 * 1000;
4571 timeIncrement = increment * 1000;
4572 movesPerSession = 0;
4573 gameInfo.timeControl = TimeControlTagValue();
4574 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4575 if (appData.debugMode) {
4576 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4577 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4578 setbuf(debugFP, NULL);
4581 gameInfo.outOfBook = NULL;
4583 /* Do we have the ratings? */
4584 if (strcmp(player1Name, white) == 0 &&
4585 strcmp(player2Name, black) == 0) {
4586 if (appData.debugMode)
4587 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4588 player1Rating, player2Rating);
4589 gameInfo.whiteRating = player1Rating;
4590 gameInfo.blackRating = player2Rating;
4591 } else if (strcmp(player2Name, white) == 0 &&
4592 strcmp(player1Name, black) == 0) {
4593 if (appData.debugMode)
4594 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4595 player2Rating, player1Rating);
4596 gameInfo.whiteRating = player2Rating;
4597 gameInfo.blackRating = player1Rating;
4599 player1Name[0] = player2Name[0] = NULLCHAR;
4601 /* Silence shouts if requested */
4602 if (appData.quietPlay &&
4603 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4604 SendToICS(ics_prefix);
4605 SendToICS("set shout 0\n");
4609 /* Deal with midgame name changes */
4611 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4612 if (gameInfo.white) free(gameInfo.white);
4613 gameInfo.white = StrSave(white);
4615 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4616 if (gameInfo.black) free(gameInfo.black);
4617 gameInfo.black = StrSave(black);
4621 /* Throw away game result if anything actually changes in examine mode */
4622 if (gameMode == IcsExamining && !newGame) {
4623 gameInfo.result = GameUnfinished;
4624 if (gameInfo.resultDetails != NULL) {
4625 free(gameInfo.resultDetails);
4626 gameInfo.resultDetails = NULL;
4630 /* In pausing && IcsExamining mode, we ignore boards coming
4631 in if they are in a different variation than we are. */
4632 if (pauseExamInvalid) return;
4633 if (pausing && gameMode == IcsExamining) {
4634 if (moveNum <= pauseExamForwardMostMove) {
4635 pauseExamInvalid = TRUE;
4636 forwardMostMove = pauseExamForwardMostMove;
4641 if (appData.debugMode) {
4642 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4644 /* Parse the board */
4645 for (k = 0; k < ranks; k++) {
4646 for (j = 0; j < files; j++)
4647 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4648 if(gameInfo.holdingsWidth > 1) {
4649 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4650 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4653 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4654 board[5][BOARD_RGHT+1] = WhiteAngel;
4655 board[6][BOARD_RGHT+1] = WhiteMarshall;
4656 board[1][0] = BlackMarshall;
4657 board[2][0] = BlackAngel;
4658 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4660 CopyBoard(boards[moveNum], board);
4661 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4663 startedFromSetupPosition =
4664 !CompareBoards(board, initialPosition);
4665 if(startedFromSetupPosition)
4666 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4669 /* [HGM] Set castling rights. Take the outermost Rooks,
4670 to make it also work for FRC opening positions. Note that board12
4671 is really defective for later FRC positions, as it has no way to
4672 indicate which Rook can castle if they are on the same side of King.
4673 For the initial position we grant rights to the outermost Rooks,
4674 and remember thos rights, and we then copy them on positions
4675 later in an FRC game. This means WB might not recognize castlings with
4676 Rooks that have moved back to their original position as illegal,
4677 but in ICS mode that is not its job anyway.
4679 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4680 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4682 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4683 if(board[0][i] == WhiteRook) j = i;
4684 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4685 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4686 if(board[0][i] == WhiteRook) j = i;
4687 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4688 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4689 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4690 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4691 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4692 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4693 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4695 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4696 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4697 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4698 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4699 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4700 if(board[BOARD_HEIGHT-1][k] == bKing)
4701 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4702 if(gameInfo.variant == VariantTwoKings) {
4703 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4704 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4705 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4708 r = boards[moveNum][CASTLING][0] = initialRights[0];
4709 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4710 r = boards[moveNum][CASTLING][1] = initialRights[1];
4711 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4712 r = boards[moveNum][CASTLING][3] = initialRights[3];
4713 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4714 r = boards[moveNum][CASTLING][4] = initialRights[4];
4715 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4716 /* wildcastle kludge: always assume King has rights */
4717 r = boards[moveNum][CASTLING][2] = initialRights[2];
4718 r = boards[moveNum][CASTLING][5] = initialRights[5];
4720 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4721 boards[moveNum][EP_STATUS] = EP_NONE;
4722 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4723 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4724 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4727 if (ics_getting_history == H_GOT_REQ_HEADER ||
4728 ics_getting_history == H_GOT_UNREQ_HEADER) {
4729 /* This was an initial position from a move list, not
4730 the current position */
4734 /* Update currentMove and known move number limits */
4735 newMove = newGame || moveNum > forwardMostMove;
4738 forwardMostMove = backwardMostMove = currentMove = moveNum;
4739 if (gameMode == IcsExamining && moveNum == 0) {
4740 /* Workaround for ICS limitation: we are not told the wild
4741 type when starting to examine a game. But if we ask for
4742 the move list, the move list header will tell us */
4743 ics_getting_history = H_REQUESTED;
4744 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4747 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4748 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4750 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4751 /* [HGM] applied this also to an engine that is silently watching */
4752 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4753 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4754 gameInfo.variant == currentlyInitializedVariant) {
4755 takeback = forwardMostMove - moveNum;
4756 for (i = 0; i < takeback; i++) {
4757 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4758 SendToProgram("undo\n", &first);
4763 forwardMostMove = moveNum;
4764 if (!pausing || currentMove > forwardMostMove)
4765 currentMove = forwardMostMove;
4767 /* New part of history that is not contiguous with old part */
4768 if (pausing && gameMode == IcsExamining) {
4769 pauseExamInvalid = TRUE;
4770 forwardMostMove = pauseExamForwardMostMove;
4773 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4775 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4776 // [HGM] when we will receive the move list we now request, it will be
4777 // fed to the engine from the first move on. So if the engine is not
4778 // in the initial position now, bring it there.
4779 InitChessProgram(&first, 0);
4782 ics_getting_history = H_REQUESTED;
4783 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4786 forwardMostMove = backwardMostMove = currentMove = moveNum;
4789 /* Update the clocks */
4790 if (strchr(elapsed_time, '.')) {
4792 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4793 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4795 /* Time is in seconds */
4796 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4797 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4802 if (appData.zippyPlay && newGame &&
4803 gameMode != IcsObserving && gameMode != IcsIdle &&
4804 gameMode != IcsExamining)
4805 ZippyFirstBoard(moveNum, basetime, increment);
4808 /* Put the move on the move list, first converting
4809 to canonical algebraic form. */
4811 if (appData.debugMode) {
4812 int f = forwardMostMove;
4813 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4814 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4815 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4816 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4817 fprintf(debugFP, "moveNum = %d\n", moveNum);
4818 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4819 setbuf(debugFP, NULL);
4821 if (moveNum <= backwardMostMove) {
4822 /* We don't know what the board looked like before
4824 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4825 strcat(parseList[moveNum - 1], " ");
4826 strcat(parseList[moveNum - 1], elapsed_time);
4827 moveList[moveNum - 1][0] = NULLCHAR;
4828 } else if (strcmp(move_str, "none") == 0) {
4829 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4830 /* Again, we don't know what the board looked like;
4831 this is really the start of the game. */
4832 parseList[moveNum - 1][0] = NULLCHAR;
4833 moveList[moveNum - 1][0] = NULLCHAR;
4834 backwardMostMove = moveNum;
4835 startedFromSetupPosition = TRUE;
4836 fromX = fromY = toX = toY = -1;
4838 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4839 // So we parse the long-algebraic move string in stead of the SAN move
4840 int valid; char buf[MSG_SIZ], *prom;
4842 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4843 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4844 // str looks something like "Q/a1-a2"; kill the slash
4846 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4847 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4848 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4849 strcat(buf, prom); // long move lacks promo specification!
4850 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4851 if(appData.debugMode)
4852 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4853 safeStrCpy(move_str, buf, MSG_SIZ);
4855 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4856 &fromX, &fromY, &toX, &toY, &promoChar)
4857 || ParseOneMove(buf, moveNum - 1, &moveType,
4858 &fromX, &fromY, &toX, &toY, &promoChar);
4859 // end of long SAN patch
4861 (void) CoordsToAlgebraic(boards[moveNum - 1],
4862 PosFlags(moveNum - 1),
4863 fromY, fromX, toY, toX, promoChar,
4864 parseList[moveNum-1]);
4865 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4871 if(!IS_SHOGI(gameInfo.variant))
4872 strcat(parseList[moveNum - 1], "+");
4875 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4876 strcat(parseList[moveNum - 1], "#");
4879 strcat(parseList[moveNum - 1], " ");
4880 strcat(parseList[moveNum - 1], elapsed_time);
4881 /* currentMoveString is set as a side-effect of ParseOneMove */
4882 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4883 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4884 strcat(moveList[moveNum - 1], "\n");
4886 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4887 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4888 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4889 ChessSquare old, new = boards[moveNum][k][j];
4890 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4891 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4892 if(old == new) continue;
4893 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4894 else if(new == WhiteWazir || new == BlackWazir) {
4895 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4896 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4897 else boards[moveNum][k][j] = old; // preserve type of Gold
4898 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4899 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4902 /* Move from ICS was illegal!? Punt. */
4903 if (appData.debugMode) {
4904 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4905 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4907 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4908 strcat(parseList[moveNum - 1], " ");
4909 strcat(parseList[moveNum - 1], elapsed_time);
4910 moveList[moveNum - 1][0] = NULLCHAR;
4911 fromX = fromY = toX = toY = -1;
4914 if (appData.debugMode) {
4915 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4916 setbuf(debugFP, NULL);
4920 /* Send move to chess program (BEFORE animating it). */
4921 if (appData.zippyPlay && !newGame && newMove &&
4922 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4924 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4925 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4926 if (moveList[moveNum - 1][0] == NULLCHAR) {
4927 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4929 DisplayError(str, 0);
4931 if (first.sendTime) {
4932 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4934 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4935 if (firstMove && !bookHit) {
4937 if (first.useColors) {
4938 SendToProgram(gameMode == IcsPlayingWhite ?
4940 "black\ngo\n", &first);
4942 SendToProgram("go\n", &first);
4944 first.maybeThinking = TRUE;
4947 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4948 if (moveList[moveNum - 1][0] == NULLCHAR) {
4949 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4950 DisplayError(str, 0);
4952 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4953 SendMoveToProgram(moveNum - 1, &first);
4960 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4961 /* If move comes from a remote source, animate it. If it
4962 isn't remote, it will have already been animated. */
4963 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4964 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4966 if (!pausing && appData.highlightLastMove) {
4967 SetHighlights(fromX, fromY, toX, toY);
4971 /* Start the clocks */
4972 whiteFlag = blackFlag = FALSE;
4973 appData.clockMode = !(basetime == 0 && increment == 0);
4975 ics_clock_paused = TRUE;
4977 } else if (ticking == 1) {
4978 ics_clock_paused = FALSE;
4980 if (gameMode == IcsIdle ||
4981 relation == RELATION_OBSERVING_STATIC ||
4982 relation == RELATION_EXAMINING ||
4984 DisplayBothClocks();
4988 /* Display opponents and material strengths */
4989 if (gameInfo.variant != VariantBughouse &&
4990 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4991 if (tinyLayout || smallLayout) {
4992 if(gameInfo.variant == VariantNormal)
4993 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4994 gameInfo.white, white_stren, gameInfo.black, black_stren,
4995 basetime, increment);
4997 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4998 gameInfo.white, white_stren, gameInfo.black, black_stren,
4999 basetime, increment, (int) gameInfo.variant);
5001 if(gameInfo.variant == VariantNormal)
5002 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5003 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5004 basetime, increment);
5006 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5007 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5008 basetime, increment, VariantName(gameInfo.variant));
5011 if (appData.debugMode) {
5012 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5017 /* Display the board */
5018 if (!pausing && !appData.noGUI) {
5020 if (appData.premove)
5022 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5023 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5024 ClearPremoveHighlights();
5026 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5027 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5028 DrawPosition(j, boards[currentMove]);
5030 DisplayMove(moveNum - 1);
5031 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5032 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5033 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5034 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5038 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5040 if(bookHit) { // [HGM] book: simulate book reply
5041 static char bookMove[MSG_SIZ]; // a bit generous?
5043 programStats.nodes = programStats.depth = programStats.time =
5044 programStats.score = programStats.got_only_move = 0;
5045 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5047 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5048 strcat(bookMove, bookHit);
5049 HandleMachineMove(bookMove, &first);
5058 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5059 ics_getting_history = H_REQUESTED;
5060 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5066 SendToBoth (char *msg)
5067 { // to make it easy to keep two engines in step in dual analysis
5068 SendToProgram(msg, &first);
5069 if(second.analyzing) SendToProgram(msg, &second);
5073 AnalysisPeriodicEvent (int force)
5075 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5076 && !force) || !appData.periodicUpdates)
5079 /* Send . command to Crafty to collect stats */
5082 /* Don't send another until we get a response (this makes
5083 us stop sending to old Crafty's which don't understand
5084 the "." command (sending illegal cmds resets node count & time,
5085 which looks bad)) */
5086 programStats.ok_to_send = 0;
5090 ics_update_width (int new_width)
5092 ics_printf("set width %d\n", new_width);
5096 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5100 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5101 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5102 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5103 SendToProgram(buf, cps);
5106 // null move in variant where engine does not understand it (for analysis purposes)
5107 SendBoard(cps, moveNum + 1); // send position after move in stead.
5110 if (cps->useUsermove) {
5111 SendToProgram("usermove ", cps);
5115 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5116 int len = space - parseList[moveNum];
5117 memcpy(buf, parseList[moveNum], len);
5119 buf[len] = NULLCHAR;
5121 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5123 SendToProgram(buf, cps);
5125 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5126 AlphaRank(moveList[moveNum], 4);
5127 SendToProgram(moveList[moveNum], cps);
5128 AlphaRank(moveList[moveNum], 4); // and back
5130 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5131 * the engine. It would be nice to have a better way to identify castle
5133 if(appData.fischerCastling && cps->useOOCastle) {
5134 int fromX = moveList[moveNum][0] - AAA;
5135 int fromY = moveList[moveNum][1] - ONE;
5136 int toX = moveList[moveNum][2] - AAA;
5137 int toY = moveList[moveNum][3] - ONE;
5138 if((boards[moveNum][fromY][fromX] == WhiteKing
5139 && boards[moveNum][toY][toX] == WhiteRook)
5140 || (boards[moveNum][fromY][fromX] == BlackKing
5141 && boards[moveNum][toY][toX] == BlackRook)) {
5142 if(toX > fromX) SendToProgram("O-O\n", cps);
5143 else SendToProgram("O-O-O\n", cps);
5145 else SendToProgram(moveList[moveNum], cps);
5147 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5148 char *m = moveList[moveNum];
5149 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5150 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5153 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5155 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5159 SendToProgram(buf, cps);
5161 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5162 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5163 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5164 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5165 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5167 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5168 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5169 SendToProgram(buf, cps);
5171 else SendToProgram(moveList[moveNum], cps);
5172 /* End of additions by Tord */
5175 /* [HGM] setting up the opening has brought engine in force mode! */
5176 /* Send 'go' if we are in a mode where machine should play. */
5177 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5178 (gameMode == TwoMachinesPlay ||
5180 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5182 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5183 SendToProgram("go\n", cps);
5184 if (appData.debugMode) {
5185 fprintf(debugFP, "(extra)\n");
5188 setboardSpoiledMachineBlack = 0;
5192 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5194 char user_move[MSG_SIZ];
5197 if(gameInfo.variant == VariantSChess && promoChar) {
5198 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5199 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5200 } else suffix[0] = NULLCHAR;
5204 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5205 (int)moveType, fromX, fromY, toX, toY);
5206 DisplayError(user_move + strlen("say "), 0);
5208 case WhiteKingSideCastle:
5209 case BlackKingSideCastle:
5210 case WhiteQueenSideCastleWild:
5211 case BlackQueenSideCastleWild:
5213 case WhiteHSideCastleFR:
5214 case BlackHSideCastleFR:
5216 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5218 case WhiteQueenSideCastle:
5219 case BlackQueenSideCastle:
5220 case WhiteKingSideCastleWild:
5221 case BlackKingSideCastleWild:
5223 case WhiteASideCastleFR:
5224 case BlackASideCastleFR:
5226 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5228 case WhiteNonPromotion:
5229 case BlackNonPromotion:
5230 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5232 case WhitePromotion:
5233 case BlackPromotion:
5234 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5235 gameInfo.variant == VariantMakruk)
5236 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5237 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5238 PieceToChar(WhiteFerz));
5239 else if(gameInfo.variant == VariantGreat)
5240 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5241 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5242 PieceToChar(WhiteMan));
5244 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5245 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5251 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5252 ToUpper(PieceToChar((ChessSquare) fromX)),
5253 AAA + toX, ONE + toY);
5255 case IllegalMove: /* could be a variant we don't quite understand */
5256 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5258 case WhiteCapturesEnPassant:
5259 case BlackCapturesEnPassant:
5260 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5261 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5264 SendToICS(user_move);
5265 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5266 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5271 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5272 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5273 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5274 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5275 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5278 if(gameMode != IcsExamining) { // is this ever not the case?
5279 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5281 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5282 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5283 } else { // on FICS we must first go to general examine mode
5284 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5286 if(gameInfo.variant != VariantNormal) {
5287 // try figure out wild number, as xboard names are not always valid on ICS
5288 for(i=1; i<=36; i++) {
5289 snprintf(buf, MSG_SIZ, "wild/%d", i);
5290 if(StringToVariant(buf) == gameInfo.variant) break;
5292 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5293 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5294 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5295 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5296 SendToICS(ics_prefix);
5298 if(startedFromSetupPosition || backwardMostMove != 0) {
5299 fen = PositionToFEN(backwardMostMove, NULL, 1);
5300 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5301 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5303 } else { // FICS: everything has to set by separate bsetup commands
5304 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5305 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5307 if(!WhiteOnMove(backwardMostMove)) {
5308 SendToICS("bsetup tomove black\n");
5310 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5311 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5313 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5314 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5316 i = boards[backwardMostMove][EP_STATUS];
5317 if(i >= 0) { // set e.p.
5318 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5324 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5325 SendToICS("bsetup done\n"); // switch to normal examining.
5327 for(i = backwardMostMove; i<last; i++) {
5329 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5330 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5331 int len = strlen(moveList[i]);
5332 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5333 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5337 SendToICS(ics_prefix);
5338 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5341 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5345 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5347 if (rf == DROP_RANK) {
5348 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5349 sprintf(move, "%c@%c%c\n",
5350 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5352 if (promoChar == 'x' || promoChar == NULLCHAR) {
5353 sprintf(move, "%c%c%c%c\n",
5354 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5355 if(killX >= 0 && killY >= 0) {
5356 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5357 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5360 sprintf(move, "%c%c%c%c%c\n",
5361 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5367 ProcessICSInitScript (FILE *f)
5371 while (fgets(buf, MSG_SIZ, f)) {
5372 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5379 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5381 static ClickType lastClickType;
5384 PieceInString (char *s, ChessSquare piece)
5386 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5387 while((p = strchr(s, ID))) {
5388 if(!suffix || p[1] == suffix) return TRUE;
5395 Partner (ChessSquare *p)
5396 { // change piece into promotion partner if one shogi-promotes to the other
5397 ChessSquare partner = promoPartner[*p];
5398 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5406 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5407 static int toggleFlag;
5408 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5409 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5410 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5411 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5412 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5413 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5415 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5416 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5417 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5418 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5419 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5420 if(!step) step = -1;
5421 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5422 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5423 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5424 promoSweep == pawn ||
5425 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5426 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5428 int victim = boards[currentMove][toY][toX];
5429 boards[currentMove][toY][toX] = promoSweep;
5430 DrawPosition(FALSE, boards[currentMove]);
5431 boards[currentMove][toY][toX] = victim;
5433 ChangeDragPiece(promoSweep);
5437 PromoScroll (int x, int y)
5441 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5442 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5443 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5444 if(!step) return FALSE;
5445 lastX = x; lastY = y;
5446 if((promoSweep < BlackPawn) == flipView) step = -step;
5447 if(step > 0) selectFlag = 1;
5448 if(!selectFlag) Sweep(step);
5453 NextPiece (int step)
5455 ChessSquare piece = boards[currentMove][toY][toX];
5458 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5459 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5460 if(!step) step = -1;
5461 } while(PieceToChar(pieceSweep) == '.');
5462 boards[currentMove][toY][toX] = pieceSweep;
5463 DrawPosition(FALSE, boards[currentMove]);
5464 boards[currentMove][toY][toX] = piece;
5466 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5468 AlphaRank (char *move, int n)
5470 // char *p = move, c; int x, y;
5472 if (appData.debugMode) {
5473 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5477 move[2]>='0' && move[2]<='9' &&
5478 move[3]>='a' && move[3]<='x' ) {
5480 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5481 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5483 if(move[0]>='0' && move[0]<='9' &&
5484 move[1]>='a' && move[1]<='x' &&
5485 move[2]>='0' && move[2]<='9' &&
5486 move[3]>='a' && move[3]<='x' ) {
5487 /* input move, Shogi -> normal */
5488 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5489 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5490 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5491 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5494 move[3]>='0' && move[3]<='9' &&
5495 move[2]>='a' && move[2]<='x' ) {
5497 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5498 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5501 move[0]>='a' && move[0]<='x' &&
5502 move[3]>='0' && move[3]<='9' &&
5503 move[2]>='a' && move[2]<='x' ) {
5504 /* output move, normal -> Shogi */
5505 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5506 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5507 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5508 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5509 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5511 if (appData.debugMode) {
5512 fprintf(debugFP, " out = '%s'\n", move);
5516 char yy_textstr[8000];
5518 /* Parser for moves from gnuchess, ICS, or user typein box */
5520 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5522 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5524 switch (*moveType) {
5525 case WhitePromotion:
5526 case BlackPromotion:
5527 case WhiteNonPromotion:
5528 case BlackNonPromotion:
5531 case WhiteCapturesEnPassant:
5532 case BlackCapturesEnPassant:
5533 case WhiteKingSideCastle:
5534 case WhiteQueenSideCastle:
5535 case BlackKingSideCastle:
5536 case BlackQueenSideCastle:
5537 case WhiteKingSideCastleWild:
5538 case WhiteQueenSideCastleWild:
5539 case BlackKingSideCastleWild:
5540 case BlackQueenSideCastleWild:
5541 /* Code added by Tord: */
5542 case WhiteHSideCastleFR:
5543 case WhiteASideCastleFR:
5544 case BlackHSideCastleFR:
5545 case BlackASideCastleFR:
5546 /* End of code added by Tord */
5547 case IllegalMove: /* bug or odd chess variant */
5548 if(currentMoveString[1] == '@') { // illegal drop
5549 *fromX = WhiteOnMove(moveNum) ?
5550 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5551 (int) CharToPiece(ToLower(currentMoveString[0]));
5554 *fromX = currentMoveString[0] - AAA;
5555 *fromY = currentMoveString[1] - ONE;
5556 *toX = currentMoveString[2] - AAA;
5557 *toY = currentMoveString[3] - ONE;
5558 *promoChar = currentMoveString[4];
5559 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5560 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5561 if (appData.debugMode) {
5562 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5564 *fromX = *fromY = *toX = *toY = 0;
5567 if (appData.testLegality) {
5568 return (*moveType != IllegalMove);
5570 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5571 // [HGM] lion: if this is a double move we are less critical
5572 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5577 *fromX = *moveType == WhiteDrop ?
5578 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5579 (int) CharToPiece(ToLower(currentMoveString[0]));
5582 *toX = currentMoveString[2] - AAA;
5583 *toY = currentMoveString[3] - ONE;
5584 *promoChar = NULLCHAR;
5588 case ImpossibleMove:
5598 if (appData.debugMode) {
5599 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5602 *fromX = *fromY = *toX = *toY = 0;
5603 *promoChar = NULLCHAR;
5608 Boolean pushed = FALSE;
5609 char *lastParseAttempt;
5612 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5613 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5614 int fromX, fromY, toX, toY; char promoChar;
5619 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5620 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5621 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5624 endPV = forwardMostMove;
5626 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5627 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5628 lastParseAttempt = pv;
5629 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5630 if(!valid && nr == 0 &&
5631 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5632 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5633 // Hande case where played move is different from leading PV move
5634 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5635 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5636 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5637 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5638 endPV += 2; // if position different, keep this
5639 moveList[endPV-1][0] = fromX + AAA;
5640 moveList[endPV-1][1] = fromY + ONE;
5641 moveList[endPV-1][2] = toX + AAA;
5642 moveList[endPV-1][3] = toY + ONE;
5643 parseList[endPV-1][0] = NULLCHAR;
5644 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5647 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5648 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5649 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5650 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5651 valid++; // allow comments in PV
5655 if(endPV+1 > framePtr) break; // no space, truncate
5658 CopyBoard(boards[endPV], boards[endPV-1]);
5659 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5660 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5661 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5662 CoordsToAlgebraic(boards[endPV - 1],
5663 PosFlags(endPV - 1),
5664 fromY, fromX, toY, toX, promoChar,
5665 parseList[endPV - 1]);
5667 if(atEnd == 2) return; // used hidden, for PV conversion
5668 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5669 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5670 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5671 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5672 DrawPosition(TRUE, boards[currentMove]);
5676 MultiPV (ChessProgramState *cps, int kind)
5677 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5679 for(i=0; i<cps->nrOptions; i++) {
5680 char *s = cps->option[i].name;
5681 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5682 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5683 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5688 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5689 static int multi, pv_margin;
5690 static ChessProgramState *activeCps;
5693 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5695 int startPV, lineStart, origIndex = index;
5696 char *p, buf2[MSG_SIZ];
5697 ChessProgramState *cps = (pane ? &second : &first);
5699 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5700 lastX = x; lastY = y;
5701 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5702 lineStart = startPV = index;
5703 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5704 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5706 do{ while(buf[index] && buf[index] != '\n') index++;
5707 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5709 if(lineStart == 0 && gameMode == AnalyzeMode) {
5711 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5712 if(n == 0) { // click not on "fewer" or "more"
5713 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5714 pv_margin = cps->option[multi].value;
5715 activeCps = cps; // non-null signals margin adjustment
5717 } else if((multi = MultiPV(cps, 1)) >= 0) {
5718 n += cps->option[multi].value; if(n < 1) n = 1;
5719 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5720 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5721 cps->option[multi].value = n;
5725 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5726 ExcludeClick(origIndex - lineStart);
5728 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5729 Collapse(origIndex - lineStart);
5732 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5733 *start = startPV; *end = index-1;
5734 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5741 static char buf[10*MSG_SIZ];
5742 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5744 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5745 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5746 for(i = forwardMostMove; i<endPV; i++){
5747 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5748 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5751 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5752 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5753 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5759 LoadPV (int x, int y)
5760 { // called on right mouse click to load PV
5761 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5762 lastX = x; lastY = y;
5763 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5771 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5773 if(pv_margin != activeCps->option[multi].value) {
5775 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5776 SendToProgram(buf, activeCps);
5777 activeCps->option[multi].value = pv_margin;
5782 if(endPV < 0) return;
5783 if(appData.autoCopyPV) CopyFENToClipboard();
5785 if(extendGame && currentMove > forwardMostMove) {
5786 Boolean saveAnimate = appData.animate;
5788 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5789 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5790 } else storedGames--; // abandon shelved tail of original game
5793 forwardMostMove = currentMove;
5794 currentMove = oldFMM;
5795 appData.animate = FALSE;
5796 ToNrEvent(forwardMostMove);
5797 appData.animate = saveAnimate;
5799 currentMove = forwardMostMove;
5800 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5801 ClearPremoveHighlights();
5802 DrawPosition(TRUE, boards[currentMove]);
5806 MovePV (int x, int y, int h)
5807 { // step through PV based on mouse coordinates (called on mouse move)
5808 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5810 if(activeCps) { // adjusting engine's multi-pv margin
5811 if(x > lastX) pv_margin++; else
5812 if(x < lastX) pv_margin -= (pv_margin > 0);
5815 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5816 DisplayMessage(buf, "");
5821 // we must somehow check if right button is still down (might be released off board!)
5822 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5823 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5824 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5826 lastX = x; lastY = y;
5828 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5829 if(endPV < 0) return;
5830 if(y < margin) step = 1; else
5831 if(y > h - margin) step = -1;
5832 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5833 currentMove += step;
5834 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5835 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5836 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5837 DrawPosition(FALSE, boards[currentMove]);
5841 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5842 // All positions will have equal probability, but the current method will not provide a unique
5843 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5849 int piecesLeft[(int)BlackPawn];
5850 int seed, nrOfShuffles;
5853 GetPositionNumber ()
5854 { // sets global variable seed
5857 seed = appData.defaultFrcPosition;
5858 if(seed < 0) { // randomize based on time for negative FRC position numbers
5859 for(i=0; i<50; i++) seed += random();
5860 seed = random() ^ random() >> 8 ^ random() << 8;
5861 if(seed<0) seed = -seed;
5866 put (Board board, int pieceType, int rank, int n, int shade)
5867 // put the piece on the (n-1)-th empty squares of the given shade
5871 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5872 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5873 board[rank][i] = (ChessSquare) pieceType;
5874 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5876 piecesLeft[pieceType]--;
5885 AddOnePiece (Board board, int pieceType, int rank, int shade)
5886 // calculate where the next piece goes, (any empty square), and put it there
5890 i = seed % squaresLeft[shade];
5891 nrOfShuffles *= squaresLeft[shade];
5892 seed /= squaresLeft[shade];
5893 put(board, pieceType, rank, i, shade);
5897 AddTwoPieces (Board board, int pieceType, int rank)
5898 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5900 int i, n=squaresLeft[ANY], j=n-1, k;
5902 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5903 i = seed % k; // pick one
5906 while(i >= j) i -= j--;
5907 j = n - 1 - j; i += j;
5908 put(board, pieceType, rank, j, ANY);
5909 put(board, pieceType, rank, i, ANY);
5913 SetUpShuffle (Board board, int number)
5917 GetPositionNumber(); nrOfShuffles = 1;
5919 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5920 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5921 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5923 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5925 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5926 p = (int) board[0][i];
5927 if(p < (int) BlackPawn) piecesLeft[p] ++;
5928 board[0][i] = EmptySquare;
5931 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5932 // shuffles restricted to allow normal castling put KRR first
5933 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5934 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5935 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5936 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5937 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5938 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5939 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5940 put(board, WhiteRook, 0, 0, ANY);
5941 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5944 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5945 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5946 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5947 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5948 while(piecesLeft[p] >= 2) {
5949 AddOnePiece(board, p, 0, LITE);
5950 AddOnePiece(board, p, 0, DARK);
5952 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5955 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5956 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5957 // but we leave King and Rooks for last, to possibly obey FRC restriction
5958 if(p == (int)WhiteRook) continue;
5959 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5960 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5963 // now everything is placed, except perhaps King (Unicorn) and Rooks
5965 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5966 // Last King gets castling rights
5967 while(piecesLeft[(int)WhiteUnicorn]) {
5968 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5969 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5972 while(piecesLeft[(int)WhiteKing]) {
5973 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5974 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5979 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5980 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5983 // Only Rooks can be left; simply place them all
5984 while(piecesLeft[(int)WhiteRook]) {
5985 i = put(board, WhiteRook, 0, 0, ANY);
5986 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5989 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5991 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5994 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5995 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5998 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6002 ptclen (const char *s, char *escapes)
6005 if(!*escapes) return strlen(s);
6006 while(*s) n += (*s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)), s++;
6010 static int pieceOrder[] = {
6011 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, // P N B R Q F E A C W M
6012 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, // O H I J G D V L S U Lion
6013 45, 23, 24, 25, 26, 27, 28, 29, 46, 31, 32, // Sword Zebra Camel Tower Wolf Dragon Duck Axe Leopard Gnu Cub
6014 44, 51, 56, 57, 58, 59, 60, 61, 62, 63, 34, // Whale Pegasus Wizard Copper Iron Viking Flag Amazon Wheel Shield Claw
6015 33, 55, 53, 42, 37, 48, 39, 40, 41, 22, 30, // +P +N =B =R +L +S +E +Ph +Kn Butterfly Hat
6016 38, 43, 35, 36, 49, 47, 52, 50, 54, 64, 65 // +V +M =H =D Princess HSword +GB HCrown Wheer Shierd King
6020 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6021 /* [HGM] moved here from winboard.c because of its general usefulness */
6022 /* Basically a safe strcpy that uses the last character as King */
6024 int result = FALSE; int NrPieces;
6025 unsigned char partner[EmptySquare];
6027 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6028 && NrPieces >= 12 && !(NrPieces&1)) {
6029 int i, ii, j = 0; /* [HGM] Accept even length from 12 to 88 */
6031 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6032 for( ii=0; ii<NrPieces/2-1; ii++ ) {
6035 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6036 table[i] = map[j++];
6037 if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
6038 if(c) partner[i] = table[i], table[i] = c;
6040 table[(int) WhiteKing] = map[j++];
6041 for( ii=0; ii<NrPieces/2-1; ii++ ) {
6043 i = WHITE_TO_BLACK pieceOrder[ii];
6044 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6045 table[i] = map[j++];
6046 if(p = strchr(escapes, map[j])) j++, table[i] += 64*(p - escapes + 1);
6047 if(c) partner[i] = table[i], table[i] = c;
6049 table[(int) BlackKing] = map[j++];
6052 if(*escapes) { // set up promotion pairing
6053 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6054 // pieceToChar entirely filled, so we can look up specified partners
6055 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6057 if(c == '^' || c == '-') { // has specified partner
6059 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6060 if(c == '^') table[i] = '+';
6061 if(p < EmptySquare) promoPartner[p] = i, promoPartner[i] = p; // marry them
6062 } else if(c == '*') promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6073 SetCharTable (unsigned char *table, const char * map)
6075 return SetCharTableEsc(table, map, "");
6079 Prelude (Board board)
6080 { // [HGM] superchess: random selection of exo-pieces
6081 int i, j, k; ChessSquare p;
6082 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6084 GetPositionNumber(); // use FRC position number
6086 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6087 SetCharTable(pieceToChar, appData.pieceToCharTable);
6088 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6089 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6092 j = seed%4; seed /= 4;
6093 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6094 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6095 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6096 j = seed%3 + (seed%3 >= j); seed /= 3;
6097 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6098 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6099 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6100 j = seed%3; seed /= 3;
6101 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6102 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6103 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6104 j = seed%2 + (seed%2 >= j); seed /= 2;
6105 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6106 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6107 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6108 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6109 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6110 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6111 put(board, exoPieces[0], 0, 0, ANY);
6112 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6116 InitPosition (int redraw)
6118 ChessSquare (* pieces)[BOARD_FILES];
6119 int i, j, pawnRow=1, pieceRows=1, overrule,
6120 oldx = gameInfo.boardWidth,
6121 oldy = gameInfo.boardHeight,
6122 oldh = gameInfo.holdingsWidth;
6125 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6127 /* [AS] Initialize pv info list [HGM] and game status */
6129 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6130 pvInfoList[i].depth = 0;
6131 boards[i][EP_STATUS] = EP_NONE;
6132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6135 initialRulePlies = 0; /* 50-move counter start */
6137 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6138 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6142 /* [HGM] logic here is completely changed. In stead of full positions */
6143 /* the initialized data only consist of the two backranks. The switch */
6144 /* selects which one we will use, which is than copied to the Board */
6145 /* initialPosition, which for the rest is initialized by Pawns and */
6146 /* empty squares. This initial position is then copied to boards[0], */
6147 /* possibly after shuffling, so that it remains available. */
6149 gameInfo.holdingsWidth = 0; /* default board sizes */
6150 gameInfo.boardWidth = 8;
6151 gameInfo.boardHeight = 8;
6152 gameInfo.holdingsSize = 0;
6153 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6154 for(i=0; i<BOARD_FILES-6; i++)
6155 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6156 initialPosition[EP_STATUS] = EP_NONE;
6157 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6158 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6159 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6160 SetCharTable(pieceNickName, appData.pieceNickNames);
6161 else SetCharTable(pieceNickName, "............");
6164 switch (gameInfo.variant) {
6165 case VariantFischeRandom:
6166 shuffleOpenings = TRUE;
6167 appData.fischerCastling = TRUE;
6170 case VariantShatranj:
6171 pieces = ShatranjArray;
6172 nrCastlingRights = 0;
6173 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6176 pieces = makrukArray;
6177 nrCastlingRights = 0;
6178 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6181 pieces = aseanArray;
6182 nrCastlingRights = 0;
6183 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6185 case VariantTwoKings:
6186 pieces = twoKingsArray;
6189 pieces = GrandArray;
6190 nrCastlingRights = 0;
6191 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6192 gameInfo.boardWidth = 10;
6193 gameInfo.boardHeight = 10;
6194 gameInfo.holdingsSize = 7;
6196 case VariantCapaRandom:
6197 shuffleOpenings = TRUE;
6198 appData.fischerCastling = TRUE;
6199 case VariantCapablanca:
6200 pieces = CapablancaArray;
6201 gameInfo.boardWidth = 10;
6202 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6205 pieces = GothicArray;
6206 gameInfo.boardWidth = 10;
6207 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6210 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6211 gameInfo.holdingsSize = 7;
6212 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6215 pieces = JanusArray;
6216 gameInfo.boardWidth = 10;
6217 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6218 nrCastlingRights = 6;
6219 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6220 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6221 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6222 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6223 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6224 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6227 pieces = FalconArray;
6228 gameInfo.boardWidth = 10;
6229 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6231 case VariantXiangqi:
6232 pieces = XiangqiArray;
6233 gameInfo.boardWidth = 9;
6234 gameInfo.boardHeight = 10;
6235 nrCastlingRights = 0;
6236 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6239 pieces = ShogiArray;
6240 gameInfo.boardWidth = 9;
6241 gameInfo.boardHeight = 9;
6242 gameInfo.holdingsSize = 7;
6243 nrCastlingRights = 0;
6244 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6247 pieces = ChuArray; pieceRows = 3;
6248 gameInfo.boardWidth = 12;
6249 gameInfo.boardHeight = 12;
6250 nrCastlingRights = 0;
6251 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN/^P.^B^R.^S^E^X^O^G^C^A^T^H^D.^V^M^L^I^FK"
6252 "p.brqsexogcathd.vmlifn/^p.^b^r.^s^e^x^o^g^c^a^t^h^d.^v^m^l^i^fk", SUFFIXES);
6254 case VariantCourier:
6255 pieces = CourierArray;
6256 gameInfo.boardWidth = 12;
6257 nrCastlingRights = 0;
6258 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6260 case VariantKnightmate:
6261 pieces = KnightmateArray;
6262 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6264 case VariantSpartan:
6265 pieces = SpartanArray;
6266 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6270 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6272 case VariantChuChess:
6273 pieces = ChuChessArray;
6274 gameInfo.boardWidth = 10;
6275 gameInfo.boardHeight = 10;
6276 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6279 pieces = fairyArray;
6280 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6283 pieces = GreatArray;
6284 gameInfo.boardWidth = 10;
6285 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6286 gameInfo.holdingsSize = 8;
6290 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6291 gameInfo.holdingsSize = 8;
6292 startedFromSetupPosition = TRUE;
6294 case VariantCrazyhouse:
6295 case VariantBughouse:
6297 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6298 gameInfo.holdingsSize = 5;
6300 case VariantWildCastle:
6302 /* !!?shuffle with kings guaranteed to be on d or e file */
6303 shuffleOpenings = 1;
6305 case VariantNoCastle:
6307 nrCastlingRights = 0;
6308 /* !!?unconstrained back-rank shuffle */
6309 shuffleOpenings = 1;
6314 if(appData.NrFiles >= 0) {
6315 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6316 gameInfo.boardWidth = appData.NrFiles;
6318 if(appData.NrRanks >= 0) {
6319 gameInfo.boardHeight = appData.NrRanks;
6321 if(appData.holdingsSize >= 0) {
6322 i = appData.holdingsSize;
6323 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6324 gameInfo.holdingsSize = i;
6326 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6327 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6328 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6330 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6331 if(pawnRow < 1) pawnRow = 1;
6332 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6333 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6334 if(gameInfo.variant == VariantChu) pawnRow = 3;
6336 /* User pieceToChar list overrules defaults */
6337 if(appData.pieceToCharTable != NULL)
6338 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6340 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6342 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6343 s = (ChessSquare) 0; /* account holding counts in guard band */
6344 for( i=0; i<BOARD_HEIGHT; i++ )
6345 initialPosition[i][j] = s;
6347 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6348 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6349 initialPosition[pawnRow][j] = WhitePawn;
6350 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6351 if(gameInfo.variant == VariantXiangqi) {
6353 initialPosition[pawnRow][j] =
6354 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6355 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6356 initialPosition[2][j] = WhiteCannon;
6357 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6361 if(gameInfo.variant == VariantChu) {
6362 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6363 initialPosition[pawnRow+1][j] = WhiteCobra,
6364 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6365 for(i=1; i<pieceRows; i++) {
6366 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6367 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6370 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6371 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6372 initialPosition[0][j] = WhiteRook;
6373 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6376 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6378 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6379 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6382 initialPosition[1][j] = WhiteBishop;
6383 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6385 initialPosition[1][j] = WhiteRook;
6386 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6389 if( nrCastlingRights == -1) {
6390 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6391 /* This sets default castling rights from none to normal corners */
6392 /* Variants with other castling rights must set them themselves above */
6393 nrCastlingRights = 6;
6395 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6396 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6397 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6398 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6399 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6400 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6403 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6404 if(gameInfo.variant == VariantGreat) { // promotion commoners
6405 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6406 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6407 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6408 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6410 if( gameInfo.variant == VariantSChess ) {
6411 initialPosition[1][0] = BlackMarshall;
6412 initialPosition[2][0] = BlackAngel;
6413 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6414 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6415 initialPosition[1][1] = initialPosition[2][1] =
6416 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6418 if (appData.debugMode) {
6419 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6421 if(shuffleOpenings) {
6422 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6423 startedFromSetupPosition = TRUE;
6425 if(startedFromPositionFile) {
6426 /* [HGM] loadPos: use PositionFile for every new game */
6427 CopyBoard(initialPosition, filePosition);
6428 for(i=0; i<nrCastlingRights; i++)
6429 initialRights[i] = filePosition[CASTLING][i];
6430 startedFromSetupPosition = TRUE;
6433 CopyBoard(boards[0], initialPosition);
6435 if(oldx != gameInfo.boardWidth ||
6436 oldy != gameInfo.boardHeight ||
6437 oldv != gameInfo.variant ||
6438 oldh != gameInfo.holdingsWidth
6440 InitDrawingSizes(-2 ,0);
6442 oldv = gameInfo.variant;
6444 DrawPosition(TRUE, boards[currentMove]);
6448 SendBoard (ChessProgramState *cps, int moveNum)
6450 char message[MSG_SIZ];
6452 if (cps->useSetboard) {
6453 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6454 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6455 SendToProgram(message, cps);
6460 int i, j, left=0, right=BOARD_WIDTH;
6461 /* Kludge to set black to move, avoiding the troublesome and now
6462 * deprecated "black" command.
6464 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6465 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6467 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6469 SendToProgram("edit\n", cps);
6470 SendToProgram("#\n", cps);
6471 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6472 bp = &boards[moveNum][i][left];
6473 for (j = left; j < right; j++, bp++) {
6474 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6475 if ((int) *bp < (int) BlackPawn) {
6476 if(j == BOARD_RGHT+1)
6477 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6478 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6479 if(message[0] == '+' || message[0] == '~') {
6480 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6481 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6482 AAA + j, ONE + i - '0');
6484 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6485 message[1] = BOARD_RGHT - 1 - j + '1';
6486 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6488 SendToProgram(message, cps);
6493 SendToProgram("c\n", cps);
6494 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6495 bp = &boards[moveNum][i][left];
6496 for (j = left; j < right; j++, bp++) {
6497 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6498 if (((int) *bp != (int) EmptySquare)
6499 && ((int) *bp >= (int) BlackPawn)) {
6500 if(j == BOARD_LEFT-2)
6501 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6502 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6503 AAA + j, ONE + i - '0');
6504 if(message[0] == '+' || message[0] == '~') {
6505 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6506 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6507 AAA + j, ONE + i - '0');
6509 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6510 message[1] = BOARD_RGHT - 1 - j + '1';
6511 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6513 SendToProgram(message, cps);
6518 SendToProgram(".\n", cps);
6520 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6523 char exclusionHeader[MSG_SIZ];
6524 int exCnt, excludePtr;
6525 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6526 static Exclusion excluTab[200];
6527 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6533 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6534 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6540 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6541 excludePtr = 24; exCnt = 0;
6546 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6547 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6548 char buf[2*MOVE_LEN], *p;
6549 Exclusion *e = excluTab;
6551 for(i=0; i<exCnt; i++)
6552 if(e[i].ff == fromX && e[i].fr == fromY &&
6553 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6554 if(i == exCnt) { // was not in exclude list; add it
6555 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6556 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6557 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6560 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6561 excludePtr++; e[i].mark = excludePtr++;
6562 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6565 exclusionHeader[e[i].mark] = state;
6569 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6570 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6574 if((signed char)promoChar == -1) { // kludge to indicate best move
6575 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6576 return 1; // if unparsable, abort
6578 // update exclusion map (resolving toggle by consulting existing state)
6579 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6581 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6582 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6583 excludeMap[k] |= 1<<j;
6584 else excludeMap[k] &= ~(1<<j);
6586 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6588 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6589 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6591 return (state == '+');
6595 ExcludeClick (int index)
6598 Exclusion *e = excluTab;
6599 if(index < 25) { // none, best or tail clicked
6600 if(index < 13) { // none: include all
6601 WriteMap(0); // clear map
6602 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6603 SendToBoth("include all\n"); // and inform engine
6604 } else if(index > 18) { // tail
6605 if(exclusionHeader[19] == '-') { // tail was excluded
6606 SendToBoth("include all\n");
6607 WriteMap(0); // clear map completely
6608 // now re-exclude selected moves
6609 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6610 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6611 } else { // tail was included or in mixed state
6612 SendToBoth("exclude all\n");
6613 WriteMap(0xFF); // fill map completely
6614 // now re-include selected moves
6615 j = 0; // count them
6616 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6617 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6618 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6621 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6624 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6625 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6626 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6633 DefaultPromoChoice (int white)
6636 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6637 gameInfo.variant == VariantMakruk)
6638 result = WhiteFerz; // no choice
6639 else if(gameInfo.variant == VariantASEAN)
6640 result = WhiteRook; // no choice
6641 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6642 result= WhiteKing; // in Suicide Q is the last thing we want
6643 else if(gameInfo.variant == VariantSpartan)
6644 result = white ? WhiteQueen : WhiteAngel;
6645 else result = WhiteQueen;
6646 if(!white) result = WHITE_TO_BLACK result;
6650 static int autoQueen; // [HGM] oneclick
6653 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6655 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6656 /* [HGM] add Shogi promotions */
6657 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6658 ChessSquare piece, partner;
6662 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6663 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6665 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6666 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6669 piece = boards[currentMove][fromY][fromX];
6670 if(gameInfo.variant == VariantChu) {
6671 promotionZoneSize = BOARD_HEIGHT/3;
6672 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6673 } else if(gameInfo.variant == VariantShogi) {
6674 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6675 highestPromotingPiece = (int)WhiteAlfil;
6676 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6677 promotionZoneSize = 3;
6680 // Treat Lance as Pawn when it is not representing Amazon or Lance
6681 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6682 if(piece == WhiteLance) piece = WhitePawn; else
6683 if(piece == BlackLance) piece = BlackPawn;
6686 // next weed out all moves that do not touch the promotion zone at all
6687 if((int)piece >= BlackPawn) {
6688 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6690 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6691 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6693 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6694 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6695 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6699 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6701 // weed out mandatory Shogi promotions
6702 if(gameInfo.variant == VariantShogi) {
6703 if(piece >= BlackPawn) {
6704 if(toY == 0 && piece == BlackPawn ||
6705 toY == 0 && piece == BlackQueen ||
6706 toY <= 1 && piece == BlackKnight) {
6711 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6712 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6713 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6720 // weed out obviously illegal Pawn moves
6721 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6722 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6723 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6724 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6725 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6726 // note we are not allowed to test for valid (non-)capture, due to premove
6729 // we either have a choice what to promote to, or (in Shogi) whether to promote
6730 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6731 gameInfo.variant == VariantMakruk) {
6732 ChessSquare p=BlackFerz; // no choice
6733 while(p < EmptySquare) { //but make sure we use piece that exists
6734 *promoChoice = PieceToChar(p++);
6735 if(*promoChoice != '.') break;
6739 // no sense asking what we must promote to if it is going to explode...
6740 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6741 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6744 // give caller the default choice even if we will not make it
6745 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6746 partner = piece; // pieces can promote if the pieceToCharTable says so
6747 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6748 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6749 if( sweepSelect && gameInfo.variant != VariantGreat
6750 && gameInfo.variant != VariantGrand
6751 && gameInfo.variant != VariantSuper) return FALSE;
6752 if(autoQueen) return FALSE; // predetermined
6754 // suppress promotion popup on illegal moves that are not premoves
6755 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6756 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6757 if(appData.testLegality && !premove) {
6758 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6759 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6760 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6761 if(moveType != WhitePromotion && moveType != BlackPromotion)
6769 InPalace (int row, int column)
6770 { /* [HGM] for Xiangqi */
6771 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6772 column < (BOARD_WIDTH + 4)/2 &&
6773 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6778 PieceForSquare (int x, int y)
6780 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6783 return boards[currentMove][y][x];
6787 OKToStartUserMove (int x, int y)
6789 ChessSquare from_piece;
6792 if (matchMode) return FALSE;
6793 if (gameMode == EditPosition) return TRUE;
6795 if (x >= 0 && y >= 0)
6796 from_piece = boards[currentMove][y][x];
6798 from_piece = EmptySquare;
6800 if (from_piece == EmptySquare) return FALSE;
6802 white_piece = (int)from_piece >= (int)WhitePawn &&
6803 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6807 case TwoMachinesPlay:
6815 case MachinePlaysWhite:
6816 case IcsPlayingBlack:
6817 if (appData.zippyPlay) return FALSE;
6819 DisplayMoveError(_("You are playing Black"));
6824 case MachinePlaysBlack:
6825 case IcsPlayingWhite:
6826 if (appData.zippyPlay) return FALSE;
6828 DisplayMoveError(_("You are playing White"));
6833 case PlayFromGameFile:
6834 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6836 if (!white_piece && WhiteOnMove(currentMove)) {
6837 DisplayMoveError(_("It is White's turn"));
6840 if (white_piece && !WhiteOnMove(currentMove)) {
6841 DisplayMoveError(_("It is Black's turn"));
6844 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6845 /* Editing correspondence game history */
6846 /* Could disallow this or prompt for confirmation */
6851 case BeginningOfGame:
6852 if (appData.icsActive) return FALSE;
6853 if (!appData.noChessProgram) {
6855 DisplayMoveError(_("You are playing White"));
6862 if (!white_piece && WhiteOnMove(currentMove)) {
6863 DisplayMoveError(_("It is White's turn"));
6866 if (white_piece && !WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6876 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6877 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6878 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6879 && gameMode != AnalyzeFile && gameMode != Training) {
6880 DisplayMoveError(_("Displayed position is not current"));
6887 OnlyMove (int *x, int *y, Boolean captures)
6889 DisambiguateClosure cl;
6890 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6892 case MachinePlaysBlack:
6893 case IcsPlayingWhite:
6894 case BeginningOfGame:
6895 if(!WhiteOnMove(currentMove)) return FALSE;
6897 case MachinePlaysWhite:
6898 case IcsPlayingBlack:
6899 if(WhiteOnMove(currentMove)) return FALSE;
6906 cl.pieceIn = EmptySquare;
6911 cl.promoCharIn = NULLCHAR;
6912 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6913 if( cl.kind == NormalMove ||
6914 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6915 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6916 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6923 if(cl.kind != ImpossibleMove) return FALSE;
6924 cl.pieceIn = EmptySquare;
6929 cl.promoCharIn = NULLCHAR;
6930 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6931 if( cl.kind == NormalMove ||
6932 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6933 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6934 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6939 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6945 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6946 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6947 int lastLoadGameUseList = FALSE;
6948 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6949 ChessMove lastLoadGameStart = EndOfFile;
6951 Boolean addToBookFlag;
6954 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6958 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6960 /* Check if the user is playing in turn. This is complicated because we
6961 let the user "pick up" a piece before it is his turn. So the piece he
6962 tried to pick up may have been captured by the time he puts it down!
6963 Therefore we use the color the user is supposed to be playing in this
6964 test, not the color of the piece that is currently on the starting
6965 square---except in EditGame mode, where the user is playing both
6966 sides; fortunately there the capture race can't happen. (It can
6967 now happen in IcsExamining mode, but that's just too bad. The user
6968 will get a somewhat confusing message in that case.)
6973 case TwoMachinesPlay:
6977 /* We switched into a game mode where moves are not accepted,
6978 perhaps while the mouse button was down. */
6981 case MachinePlaysWhite:
6982 /* User is moving for Black */
6983 if (WhiteOnMove(currentMove)) {
6984 DisplayMoveError(_("It is White's turn"));
6989 case MachinePlaysBlack:
6990 /* User is moving for White */
6991 if (!WhiteOnMove(currentMove)) {
6992 DisplayMoveError(_("It is Black's turn"));
6997 case PlayFromGameFile:
6998 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7001 case BeginningOfGame:
7004 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7005 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7006 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7007 /* User is moving for Black */
7008 if (WhiteOnMove(currentMove)) {
7009 DisplayMoveError(_("It is White's turn"));
7013 /* User is moving for White */
7014 if (!WhiteOnMove(currentMove)) {
7015 DisplayMoveError(_("It is Black's turn"));
7021 case IcsPlayingBlack:
7022 /* User is moving for Black */
7023 if (WhiteOnMove(currentMove)) {
7024 if (!appData.premove) {
7025 DisplayMoveError(_("It is White's turn"));
7026 } else if (toX >= 0 && toY >= 0) {
7029 premoveFromX = fromX;
7030 premoveFromY = fromY;
7031 premovePromoChar = promoChar;
7033 if (appData.debugMode)
7034 fprintf(debugFP, "Got premove: fromX %d,"
7035 "fromY %d, toX %d, toY %d\n",
7036 fromX, fromY, toX, toY);
7042 case IcsPlayingWhite:
7043 /* User is moving for White */
7044 if (!WhiteOnMove(currentMove)) {
7045 if (!appData.premove) {
7046 DisplayMoveError(_("It is Black's turn"));
7047 } else if (toX >= 0 && toY >= 0) {
7050 premoveFromX = fromX;
7051 premoveFromY = fromY;
7052 premovePromoChar = promoChar;
7054 if (appData.debugMode)
7055 fprintf(debugFP, "Got premove: fromX %d,"
7056 "fromY %d, toX %d, toY %d\n",
7057 fromX, fromY, toX, toY);
7067 /* EditPosition, empty square, or different color piece;
7068 click-click move is possible */
7069 if (toX == -2 || toY == -2) {
7070 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7071 DrawPosition(FALSE, boards[currentMove]);
7073 } else if (toX >= 0 && toY >= 0) {
7074 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7075 ChessSquare q, p = boards[0][rf][ff];
7076 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
7077 if(CHUPROMOTED(p) < BlackPawn) p = q = CHUPROMOTED(boards[0][rf][ff]);
7078 else p = CHUDEMOTED (q = boards[0][rf][ff]);
7079 if(PieceToChar(q) == '+') gatingPiece = p;
7081 boards[0][toY][toX] = boards[0][fromY][fromX];
7082 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7083 if(boards[0][fromY][0] != EmptySquare) {
7084 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7085 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7088 if(fromX == BOARD_RGHT+1) {
7089 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7090 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7091 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7094 boards[0][fromY][fromX] = gatingPiece;
7095 DrawPosition(FALSE, boards[currentMove]);
7101 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7102 pup = boards[currentMove][toY][toX];
7104 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7105 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7106 if( pup != EmptySquare ) return;
7107 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7108 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7109 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7110 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7111 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7112 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7113 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7117 /* [HGM] always test for legality, to get promotion info */
7118 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7119 fromY, fromX, toY, toX, promoChar);
7121 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7123 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7125 /* [HGM] but possibly ignore an IllegalMove result */
7126 if (appData.testLegality) {
7127 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7128 DisplayMoveError(_("Illegal move"));
7133 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7134 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7135 ClearPremoveHighlights(); // was included
7136 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7140 if(addToBookFlag) { // adding moves to book
7141 char buf[MSG_SIZ], move[MSG_SIZ];
7142 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7143 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d", fromX + AAA, fromY + ONE - '0', killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0');
7144 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7146 addToBookFlag = FALSE;
7151 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7154 /* Common tail of UserMoveEvent and DropMenuEvent */
7156 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7160 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7161 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7162 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7163 if(WhiteOnMove(currentMove)) {
7164 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7166 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7170 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7171 move type in caller when we know the move is a legal promotion */
7172 if(moveType == NormalMove && promoChar)
7173 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7175 /* [HGM] <popupFix> The following if has been moved here from
7176 UserMoveEvent(). Because it seemed to belong here (why not allow
7177 piece drops in training games?), and because it can only be
7178 performed after it is known to what we promote. */
7179 if (gameMode == Training) {
7180 /* compare the move played on the board to the next move in the
7181 * game. If they match, display the move and the opponent's response.
7182 * If they don't match, display an error message.
7186 CopyBoard(testBoard, boards[currentMove]);
7187 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7189 if (CompareBoards(testBoard, boards[currentMove+1])) {
7190 ForwardInner(currentMove+1);
7192 /* Autoplay the opponent's response.
7193 * if appData.animate was TRUE when Training mode was entered,
7194 * the response will be animated.
7196 saveAnimate = appData.animate;
7197 appData.animate = animateTraining;
7198 ForwardInner(currentMove+1);
7199 appData.animate = saveAnimate;
7201 /* check for the end of the game */
7202 if (currentMove >= forwardMostMove) {
7203 gameMode = PlayFromGameFile;
7205 SetTrainingModeOff();
7206 DisplayInformation(_("End of game"));
7209 DisplayError(_("Incorrect move"), 0);
7214 /* Ok, now we know that the move is good, so we can kill
7215 the previous line in Analysis Mode */
7216 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7217 && currentMove < forwardMostMove) {
7218 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7219 else forwardMostMove = currentMove;
7224 /* If we need the chess program but it's dead, restart it */
7225 ResurrectChessProgram();
7227 /* A user move restarts a paused game*/
7231 thinkOutput[0] = NULLCHAR;
7233 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7235 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7236 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7240 if (gameMode == BeginningOfGame) {
7241 if (appData.noChessProgram) {
7242 gameMode = EditGame;
7246 gameMode = MachinePlaysBlack;
7249 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7251 if (first.sendName) {
7252 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7253 SendToProgram(buf, &first);
7260 /* Relay move to ICS or chess engine */
7261 if (appData.icsActive) {
7262 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7263 gameMode == IcsExamining) {
7264 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7265 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7267 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7269 // also send plain move, in case ICS does not understand atomic claims
7270 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7274 if (first.sendTime && (gameMode == BeginningOfGame ||
7275 gameMode == MachinePlaysWhite ||
7276 gameMode == MachinePlaysBlack)) {
7277 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7279 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7280 // [HGM] book: if program might be playing, let it use book
7281 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7282 first.maybeThinking = TRUE;
7283 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7284 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7285 SendBoard(&first, currentMove+1);
7286 if(second.analyzing) {
7287 if(!second.useSetboard) SendToProgram("undo\n", &second);
7288 SendBoard(&second, currentMove+1);
7291 SendMoveToProgram(forwardMostMove-1, &first);
7292 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7294 if (currentMove == cmailOldMove + 1) {
7295 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7299 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7303 if(appData.testLegality)
7304 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7310 if (WhiteOnMove(currentMove)) {
7311 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7313 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7317 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7322 case MachinePlaysBlack:
7323 case MachinePlaysWhite:
7324 /* disable certain menu options while machine is thinking */
7325 SetMachineThinkingEnables();
7332 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7333 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7335 if(bookHit) { // [HGM] book: simulate book reply
7336 static char bookMove[MSG_SIZ]; // a bit generous?
7338 programStats.nodes = programStats.depth = programStats.time =
7339 programStats.score = programStats.got_only_move = 0;
7340 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7342 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7343 strcat(bookMove, bookHit);
7344 HandleMachineMove(bookMove, &first);
7350 MarkByFEN(char *fen)
7353 if(!appData.markers || !appData.highlightDragging) return;
7354 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7355 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7359 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7360 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7361 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7362 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7363 if(*fen == 'T') marker[r][f++] = 0; else
7364 if(*fen == 'Y') marker[r][f++] = 1; else
7365 if(*fen == 'G') marker[r][f++] = 3; else
7366 if(*fen == 'B') marker[r][f++] = 4; else
7367 if(*fen == 'C') marker[r][f++] = 5; else
7368 if(*fen == 'M') marker[r][f++] = 6; else
7369 if(*fen == 'W') marker[r][f++] = 7; else
7370 if(*fen == 'D') marker[r][f++] = 8; else
7371 if(*fen == 'R') marker[r][f++] = 2; else {
7372 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7375 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7379 DrawPosition(TRUE, NULL);
7382 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7385 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7387 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7388 Markers *m = (Markers *) closure;
7389 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7390 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7391 || kind == WhiteCapturesEnPassant
7392 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7393 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7396 static int hoverSavedValid;
7399 MarkTargetSquares (int clear)
7402 if(clear) { // no reason to ever suppress clearing
7403 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7404 hoverSavedValid = 0;
7405 if(!sum) return; // nothing was cleared,no redraw needed
7408 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7409 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7410 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7411 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7412 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7414 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7417 DrawPosition(FALSE, NULL);
7421 Explode (Board board, int fromX, int fromY, int toX, int toY)
7423 if(gameInfo.variant == VariantAtomic &&
7424 (board[toY][toX] != EmptySquare || // capture?
7425 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7426 board[fromY][fromX] == BlackPawn )
7428 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7434 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7437 CanPromote (ChessSquare piece, int y)
7439 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7440 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7441 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7442 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7443 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7444 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7445 gameInfo.variant == VariantMakruk) return FALSE;
7446 return (piece == BlackPawn && y <= zone ||
7447 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7448 piece == BlackLance && y <= zone ||
7449 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7453 HoverEvent (int xPix, int yPix, int x, int y)
7455 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7457 if(!first.highlight) return;
7458 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7459 if(x == oldX && y == oldY) return; // only do something if we enter new square
7460 oldFromX = fromX; oldFromY = fromY;
7461 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7462 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7463 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7464 hoverSavedValid = 1;
7465 } else if(oldX != x || oldY != y) {
7466 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7467 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7468 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7469 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7470 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7472 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7473 SendToProgram(buf, &first);
7476 // SetHighlights(fromX, fromY, x, y);
7480 void ReportClick(char *action, int x, int y)
7482 char buf[MSG_SIZ]; // Inform engine of what user does
7484 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7485 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7486 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7487 if(!first.highlight || gameMode == EditPosition) return;
7488 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7489 SendToProgram(buf, &first);
7492 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7495 LeftClick (ClickType clickType, int xPix, int yPix)
7498 Boolean saveAnimate;
7499 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7500 char promoChoice = NULLCHAR;
7502 static TimeMark lastClickTime, prevClickTime;
7504 x = EventToSquare(xPix, BOARD_WIDTH);
7505 y = EventToSquare(yPix, BOARD_HEIGHT);
7506 if (!flipView && y >= 0) {
7507 y = BOARD_HEIGHT - 1 - y;
7509 if (flipView && x >= 0) {
7510 x = BOARD_WIDTH - 1 - x;
7513 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7515 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7520 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7522 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7524 if (clickType == Press) ErrorPopDown();
7525 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7527 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7528 defaultPromoChoice = promoSweep;
7529 promoSweep = EmptySquare; // terminate sweep
7530 promoDefaultAltered = TRUE;
7531 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7534 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7535 if(clickType == Release) return; // ignore upclick of click-click destination
7536 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7537 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7538 if(gameInfo.holdingsWidth &&
7539 (WhiteOnMove(currentMove)
7540 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7541 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7542 // click in right holdings, for determining promotion piece
7543 ChessSquare p = boards[currentMove][y][x];
7544 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7545 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7546 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7547 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7552 DrawPosition(FALSE, boards[currentMove]);
7556 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7557 if(clickType == Press
7558 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7559 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7560 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7563 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7564 // could be static click on premove from-square: abort premove
7566 ClearPremoveHighlights();
7569 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7570 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7572 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7573 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7574 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7575 defaultPromoChoice = DefaultPromoChoice(side);
7578 autoQueen = appData.alwaysPromoteToQueen;
7582 gatingPiece = EmptySquare;
7583 if (clickType != Press) {
7584 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7585 DragPieceEnd(xPix, yPix); dragging = 0;
7586 DrawPosition(FALSE, NULL);
7590 doubleClick = FALSE;
7591 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7592 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7594 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7595 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7596 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7597 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7599 if (OKToStartUserMove(fromX, fromY)) {
7601 ReportClick("lift", x, y);
7602 MarkTargetSquares(0);
7603 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7604 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7605 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7606 promoSweep = defaultPromoChoice;
7607 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7608 Sweep(0); // Pawn that is going to promote: preview promotion piece
7609 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7611 if (appData.highlightDragging) {
7612 SetHighlights(fromX, fromY, -1, -1);
7616 } else fromX = fromY = -1;
7622 if (clickType == Press && gameMode != EditPosition) {
7627 // ignore off-board to clicks
7628 if(y < 0 || x < 0) return;
7630 /* Check if clicking again on the same color piece */
7631 fromP = boards[currentMove][fromY][fromX];
7632 toP = boards[currentMove][y][x];
7633 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7634 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7635 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7636 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7637 WhitePawn <= toP && toP <= WhiteKing &&
7638 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7639 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7640 (BlackPawn <= fromP && fromP <= BlackKing &&
7641 BlackPawn <= toP && toP <= BlackKing &&
7642 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7643 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7644 /* Clicked again on same color piece -- changed his mind */
7645 second = (x == fromX && y == fromY);
7647 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7648 second = FALSE; // first double-click rather than scond click
7649 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7651 promoDefaultAltered = FALSE;
7652 MarkTargetSquares(1);
7653 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7654 if (appData.highlightDragging) {
7655 SetHighlights(x, y, -1, -1);
7659 if (OKToStartUserMove(x, y)) {
7660 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7661 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7662 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7663 gatingPiece = boards[currentMove][fromY][fromX];
7664 else gatingPiece = doubleClick ? fromP : EmptySquare;
7666 fromY = y; dragging = 1;
7667 if(!second) ReportClick("lift", x, y);
7668 MarkTargetSquares(0);
7669 DragPieceBegin(xPix, yPix, FALSE);
7670 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7671 promoSweep = defaultPromoChoice;
7672 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7673 Sweep(0); // Pawn that is going to promote: preview promotion piece
7677 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7680 // ignore clicks on holdings
7681 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7684 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7685 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7686 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7690 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7691 DragPieceEnd(xPix, yPix); dragging = 0;
7693 // a deferred attempt to click-click move an empty square on top of a piece
7694 boards[currentMove][y][x] = EmptySquare;
7696 DrawPosition(FALSE, boards[currentMove]);
7697 fromX = fromY = -1; clearFlag = 0;
7700 if (appData.animateDragging) {
7701 /* Undo animation damage if any */
7702 DrawPosition(FALSE, NULL);
7705 /* Second up/down in same square; just abort move */
7708 gatingPiece = EmptySquare;
7709 MarkTargetSquares(1);
7712 ClearPremoveHighlights();
7714 /* First upclick in same square; start click-click mode */
7715 SetHighlights(x, y, -1, -1);
7722 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7723 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7724 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7725 DisplayMessage(_("only marked squares are legal"),"");
7726 DrawPosition(TRUE, NULL);
7727 return; // ignore to-click
7730 /* we now have a different from- and (possibly off-board) to-square */
7731 /* Completed move */
7732 if(!sweepSelecting) {
7737 piece = boards[currentMove][fromY][fromX];
7739 saveAnimate = appData.animate;
7740 if (clickType == Press) {
7741 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7742 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7743 // must be Edit Position mode with empty-square selected
7744 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7745 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7748 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7751 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7752 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7754 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7755 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7756 if(appData.sweepSelect) {
7757 promoSweep = defaultPromoChoice;
7758 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7759 selectFlag = 0; lastX = xPix; lastY = yPix;
7760 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7761 Sweep(0); // Pawn that is going to promote: preview promotion piece
7763 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7764 MarkTargetSquares(1);
7766 return; // promo popup appears on up-click
7768 /* Finish clickclick move */
7769 if (appData.animate || appData.highlightLastMove) {
7770 SetHighlights(fromX, fromY, toX, toY);
7774 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7775 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7777 if (appData.animate || appData.highlightLastMove) {
7778 SetHighlights(fromX, fromY, toX, toY);
7784 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7785 /* Finish drag move */
7786 if (appData.highlightLastMove) {
7787 SetHighlights(fromX, fromY, toX, toY);
7792 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7793 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7794 dragging *= 2; // flag button-less dragging if we are dragging
7795 MarkTargetSquares(1);
7796 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7798 kill2X = killX; kill2Y = killY;
7799 killX = x; killY = y; //remeber this square as intermediate
7800 ReportClick("put", x, y); // and inform engine
7801 ReportClick("lift", x, y);
7802 MarkTargetSquares(0);
7806 DragPieceEnd(xPix, yPix); dragging = 0;
7807 /* Don't animate move and drag both */
7808 appData.animate = FALSE;
7811 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7812 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7813 ChessSquare piece = boards[currentMove][fromY][fromX];
7814 if(gameMode == EditPosition && piece != EmptySquare &&
7815 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7818 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7819 n = PieceToNumber(piece - (int)BlackPawn);
7820 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7821 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7822 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7824 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7825 n = PieceToNumber(piece);
7826 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7827 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7828 boards[currentMove][n][BOARD_WIDTH-2]++;
7830 boards[currentMove][fromY][fromX] = EmptySquare;
7834 MarkTargetSquares(1);
7835 DrawPosition(TRUE, boards[currentMove]);
7839 // off-board moves should not be highlighted
7840 if(x < 0 || y < 0) ClearHighlights();
7841 else ReportClick("put", x, y);
7843 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7845 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7847 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7848 SetHighlights(fromX, fromY, toX, toY);
7849 MarkTargetSquares(1);
7850 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7851 // [HGM] super: promotion to captured piece selected from holdings
7852 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7853 promotionChoice = TRUE;
7854 // kludge follows to temporarily execute move on display, without promoting yet
7855 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7856 boards[currentMove][toY][toX] = p;
7857 DrawPosition(FALSE, boards[currentMove]);
7858 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7859 boards[currentMove][toY][toX] = q;
7860 DisplayMessage("Click in holdings to choose piece", "");
7863 PromotionPopUp(promoChoice);
7865 int oldMove = currentMove;
7866 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7867 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7868 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7869 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7870 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7871 DrawPosition(TRUE, boards[currentMove]);
7872 MarkTargetSquares(1);
7875 appData.animate = saveAnimate;
7876 if (appData.animate || appData.animateDragging) {
7877 /* Undo animation damage if needed */
7878 DrawPosition(FALSE, NULL);
7883 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7884 { // front-end-free part taken out of PieceMenuPopup
7885 int whichMenu; int xSqr, ySqr;
7887 if(seekGraphUp) { // [HGM] seekgraph
7888 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7889 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7893 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7894 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7895 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7896 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7897 if(action == Press) {
7898 originalFlip = flipView;
7899 flipView = !flipView; // temporarily flip board to see game from partners perspective
7900 DrawPosition(TRUE, partnerBoard);
7901 DisplayMessage(partnerStatus, "");
7903 } else if(action == Release) {
7904 flipView = originalFlip;
7905 DrawPosition(TRUE, boards[currentMove]);
7911 xSqr = EventToSquare(x, BOARD_WIDTH);
7912 ySqr = EventToSquare(y, BOARD_HEIGHT);
7913 if (action == Release) {
7914 if(pieceSweep != EmptySquare) {
7915 EditPositionMenuEvent(pieceSweep, toX, toY);
7916 pieceSweep = EmptySquare;
7917 } else UnLoadPV(); // [HGM] pv
7919 if (action != Press) return -2; // return code to be ignored
7922 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7924 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7925 if (xSqr < 0 || ySqr < 0) return -1;
7926 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7927 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7928 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7929 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7933 if(!appData.icsEngineAnalyze) return -1;
7934 case IcsPlayingWhite:
7935 case IcsPlayingBlack:
7936 if(!appData.zippyPlay) goto noZip;
7939 case MachinePlaysWhite:
7940 case MachinePlaysBlack:
7941 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7942 if (!appData.dropMenu) {
7944 return 2; // flag front-end to grab mouse events
7946 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7947 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7950 if (xSqr < 0 || ySqr < 0) return -1;
7951 if (!appData.dropMenu || appData.testLegality &&
7952 gameInfo.variant != VariantBughouse &&
7953 gameInfo.variant != VariantCrazyhouse) return -1;
7954 whichMenu = 1; // drop menu
7960 if (((*fromX = xSqr) < 0) ||
7961 ((*fromY = ySqr) < 0)) {
7962 *fromX = *fromY = -1;
7966 *fromX = BOARD_WIDTH - 1 - *fromX;
7968 *fromY = BOARD_HEIGHT - 1 - *fromY;
7974 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7976 // char * hint = lastHint;
7977 FrontEndProgramStats stats;
7979 stats.which = cps == &first ? 0 : 1;
7980 stats.depth = cpstats->depth;
7981 stats.nodes = cpstats->nodes;
7982 stats.score = cpstats->score;
7983 stats.time = cpstats->time;
7984 stats.pv = cpstats->movelist;
7985 stats.hint = lastHint;
7986 stats.an_move_index = 0;
7987 stats.an_move_count = 0;
7989 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7990 stats.hint = cpstats->move_name;
7991 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7992 stats.an_move_count = cpstats->nr_moves;
7995 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
7997 SetProgramStats( &stats );
8001 ClearEngineOutputPane (int which)
8003 static FrontEndProgramStats dummyStats;
8004 dummyStats.which = which;
8005 dummyStats.pv = "#";
8006 SetProgramStats( &dummyStats );
8009 #define MAXPLAYERS 500
8012 TourneyStandings (int display)
8014 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8015 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8016 char result, *p, *names[MAXPLAYERS];
8018 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8019 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8020 names[0] = p = strdup(appData.participants);
8021 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8023 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8025 while(result = appData.results[nr]) {
8026 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8027 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8028 wScore = bScore = 0;
8030 case '+': wScore = 2; break;
8031 case '-': bScore = 2; break;
8032 case '=': wScore = bScore = 1; break;
8034 case '*': return strdup("busy"); // tourney not finished
8042 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8043 for(w=0; w<nPlayers; w++) {
8045 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8046 ranking[w] = b; points[w] = bScore; score[b] = -2;
8048 p = malloc(nPlayers*34+1);
8049 for(w=0; w<nPlayers && w<display; w++)
8050 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8056 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8057 { // count all piece types
8059 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8060 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8061 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8064 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8065 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8066 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8067 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8068 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8069 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8074 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8076 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8077 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8079 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8080 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8081 if(myPawns == 2 && nMine == 3) // KPP
8082 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8083 if(myPawns == 1 && nMine == 2) // KP
8084 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8085 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8086 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8087 if(myPawns) return FALSE;
8088 if(pCnt[WhiteRook+side])
8089 return pCnt[BlackRook-side] ||
8090 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8091 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8092 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8093 if(pCnt[WhiteCannon+side]) {
8094 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8095 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8097 if(pCnt[WhiteKnight+side])
8098 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8103 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8105 VariantClass v = gameInfo.variant;
8107 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8108 if(v == VariantShatranj) return TRUE; // always winnable through baring
8109 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8110 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8112 if(v == VariantXiangqi) {
8113 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8115 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8116 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8117 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8118 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8119 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8120 if(stale) // we have at least one last-rank P plus perhaps C
8121 return majors // KPKX
8122 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8124 return pCnt[WhiteFerz+side] // KCAK
8125 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8126 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8127 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8129 } else if(v == VariantKnightmate) {
8130 if(nMine == 1) return FALSE;
8131 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8132 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8133 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8135 if(nMine == 1) return FALSE; // bare King
8136 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
8137 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8138 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8139 // by now we have King + 1 piece (or multiple Bishops on the same color)
8140 if(pCnt[WhiteKnight+side])
8141 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8142 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8143 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8145 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8146 if(pCnt[WhiteAlfil+side])
8147 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8148 if(pCnt[WhiteWazir+side])
8149 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8156 CompareWithRights (Board b1, Board b2)
8159 if(!CompareBoards(b1, b2)) return FALSE;
8160 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8161 /* compare castling rights */
8162 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8163 rights++; /* King lost rights, while rook still had them */
8164 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8165 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8166 rights++; /* but at least one rook lost them */
8168 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8170 if( b1[CASTLING][5] != NoRights ) {
8171 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8178 Adjudicate (ChessProgramState *cps)
8179 { // [HGM] some adjudications useful with buggy engines
8180 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8181 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8182 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8183 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8184 int k, drop, count = 0; static int bare = 1;
8185 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8186 Boolean canAdjudicate = !appData.icsActive;
8188 // most tests only when we understand the game, i.e. legality-checking on
8189 if( appData.testLegality )
8190 { /* [HGM] Some more adjudications for obstinate engines */
8191 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8192 static int moveCount = 6;
8194 char *reason = NULL;
8196 /* Count what is on board. */
8197 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8199 /* Some material-based adjudications that have to be made before stalemate test */
8200 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8201 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8202 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8203 if(canAdjudicate && appData.checkMates) {
8205 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8206 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8207 "Xboard adjudication: King destroyed", GE_XBOARD );
8212 /* Bare King in Shatranj (loses) or Losers (wins) */
8213 if( nrW == 1 || nrB == 1) {
8214 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8215 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8216 if(canAdjudicate && appData.checkMates) {
8218 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8219 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8220 "Xboard adjudication: Bare king", GE_XBOARD );
8224 if( gameInfo.variant == VariantShatranj && --bare < 0)
8226 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8227 if(canAdjudicate && appData.checkMates) {
8228 /* but only adjudicate if adjudication enabled */
8230 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8231 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8232 "Xboard adjudication: Bare king", GE_XBOARD );
8239 // don't wait for engine to announce game end if we can judge ourselves
8240 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8242 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8243 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8244 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8245 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8248 reason = "Xboard adjudication: 3rd check";
8249 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8260 reason = "Xboard adjudication: Stalemate";
8261 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8262 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8263 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8264 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8265 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8266 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8267 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8268 EP_CHECKMATE : EP_WINS);
8269 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8270 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8274 reason = "Xboard adjudication: Checkmate";
8275 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8276 if(gameInfo.variant == VariantShogi) {
8277 if(forwardMostMove > backwardMostMove
8278 && moveList[forwardMostMove-1][1] == '@'
8279 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8280 reason = "XBoard adjudication: pawn-drop mate";
8281 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8287 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8289 result = GameIsDrawn; break;
8291 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8293 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8297 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8299 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8300 GameEnds( result, reason, GE_XBOARD );
8304 /* Next absolutely insufficient mating material. */
8305 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8306 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8307 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8309 /* always flag draws, for judging claims */
8310 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8312 if(canAdjudicate && appData.materialDraws) {
8313 /* but only adjudicate them if adjudication enabled */
8314 if(engineOpponent) {
8315 SendToProgram("force\n", engineOpponent); // suppress reply
8316 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8318 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8323 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8324 if(gameInfo.variant == VariantXiangqi ?
8325 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8327 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8328 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8329 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8330 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8332 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8333 { /* if the first 3 moves do not show a tactical win, declare draw */
8334 if(engineOpponent) {
8335 SendToProgram("force\n", engineOpponent); // suppress reply
8336 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8338 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8341 } else moveCount = 6;
8344 // Repetition draws and 50-move rule can be applied independently of legality testing
8346 /* Check for rep-draws */
8348 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8349 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8350 for(k = forwardMostMove-2;
8351 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8352 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8353 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8356 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8357 /* compare castling rights */
8358 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8359 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8360 rights++; /* King lost rights, while rook still had them */
8361 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8362 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8363 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8364 rights++; /* but at least one rook lost them */
8366 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8367 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8369 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8370 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8371 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8374 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8375 && appData.drawRepeats > 1) {
8376 /* adjudicate after user-specified nr of repeats */
8377 int result = GameIsDrawn;
8378 char *details = "XBoard adjudication: repetition draw";
8379 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8380 // [HGM] xiangqi: check for forbidden perpetuals
8381 int m, ourPerpetual = 1, hisPerpetual = 1;
8382 for(m=forwardMostMove; m>k; m-=2) {
8383 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8384 ourPerpetual = 0; // the current mover did not always check
8385 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8386 hisPerpetual = 0; // the opponent did not always check
8388 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8389 ourPerpetual, hisPerpetual);
8390 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8391 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8392 details = "Xboard adjudication: perpetual checking";
8394 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8395 break; // (or we would have caught him before). Abort repetition-checking loop.
8397 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8398 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8400 details = "Xboard adjudication: repetition";
8402 } else // it must be XQ
8403 // Now check for perpetual chases
8404 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8405 hisPerpetual = PerpetualChase(k, forwardMostMove);
8406 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8407 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8408 static char resdet[MSG_SIZ];
8409 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8411 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8413 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8414 break; // Abort repetition-checking loop.
8416 // if neither of us is checking or chasing all the time, or both are, it is draw
8418 if(engineOpponent) {
8419 SendToProgram("force\n", engineOpponent); // suppress reply
8420 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8422 GameEnds( result, details, GE_XBOARD );
8425 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8426 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8430 /* Now we test for 50-move draws. Determine ply count */
8431 count = forwardMostMove;
8432 /* look for last irreversble move */
8433 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8435 /* if we hit starting position, add initial plies */
8436 if( count == backwardMostMove )
8437 count -= initialRulePlies;
8438 count = forwardMostMove - count;
8439 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8440 // adjust reversible move counter for checks in Xiangqi
8441 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8442 if(i < backwardMostMove) i = backwardMostMove;
8443 while(i <= forwardMostMove) {
8444 lastCheck = inCheck; // check evasion does not count
8445 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8446 if(inCheck || lastCheck) count--; // check does not count
8451 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8452 /* this is used to judge if draw claims are legal */
8453 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8454 if(engineOpponent) {
8455 SendToProgram("force\n", engineOpponent); // suppress reply
8456 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8458 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8462 /* if draw offer is pending, treat it as a draw claim
8463 * when draw condition present, to allow engines a way to
8464 * claim draws before making their move to avoid a race
8465 * condition occurring after their move
8467 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8469 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8470 p = "Draw claim: 50-move rule";
8471 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8472 p = "Draw claim: 3-fold repetition";
8473 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8474 p = "Draw claim: insufficient mating material";
8475 if( p != NULL && canAdjudicate) {
8476 if(engineOpponent) {
8477 SendToProgram("force\n", engineOpponent); // suppress reply
8478 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8480 GameEnds( GameIsDrawn, p, GE_XBOARD );
8485 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8486 if(engineOpponent) {
8487 SendToProgram("force\n", engineOpponent); // suppress reply
8488 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8490 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8496 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8497 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8498 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8503 int pieces[10], squares[10], cnt=0, r, f, res;
8505 static PPROBE_EGBB probeBB;
8506 if(!appData.testLegality) return 10;
8507 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8508 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8509 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8510 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8511 ChessSquare piece = boards[forwardMostMove][r][f];
8512 int black = (piece >= BlackPawn);
8513 int type = piece - black*BlackPawn;
8514 if(piece == EmptySquare) continue;
8515 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8516 if(type == WhiteKing) type = WhiteQueen + 1;
8517 type = egbbCode[type];
8518 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8519 pieces[cnt] = type + black*6;
8520 if(++cnt > 5) return 11;
8522 pieces[cnt] = squares[cnt] = 0;
8524 if(loaded == 2) return 13; // loading failed before
8526 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8529 loaded = 2; // prepare for failure
8530 if(!path) return 13; // no egbb installed
8531 strncpy(buf, path + 8, MSG_SIZ);
8532 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8533 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8534 lib = LoadLibrary(buf);
8535 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8536 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8537 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8538 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8539 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8540 loaded = 1; // success!
8542 res = probeBB(forwardMostMove & 1, pieces, squares);
8543 return res > 0 ? 1 : res < 0 ? -1 : 0;
8547 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8548 { // [HGM] book: this routine intercepts moves to simulate book replies
8549 char *bookHit = NULL;
8551 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8553 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8554 SendToProgram(buf, cps);
8556 //first determine if the incoming move brings opponent into his book
8557 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8558 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8559 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8560 if(bookHit != NULL && !cps->bookSuspend) {
8561 // make sure opponent is not going to reply after receiving move to book position
8562 SendToProgram("force\n", cps);
8563 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8565 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8566 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8567 // now arrange restart after book miss
8569 // after a book hit we never send 'go', and the code after the call to this routine
8570 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8571 char buf[MSG_SIZ], *move = bookHit;
8573 int fromX, fromY, toX, toY;
8577 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8578 &fromX, &fromY, &toX, &toY, &promoChar)) {
8579 (void) CoordsToAlgebraic(boards[forwardMostMove],
8580 PosFlags(forwardMostMove),
8581 fromY, fromX, toY, toX, promoChar, move);
8583 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8587 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8588 SendToProgram(buf, cps);
8589 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8590 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8591 SendToProgram("go\n", cps);
8592 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8593 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8594 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8595 SendToProgram("go\n", cps);
8596 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8598 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8602 LoadError (char *errmess, ChessProgramState *cps)
8603 { // unloads engine and switches back to -ncp mode if it was first
8604 if(cps->initDone) return FALSE;
8605 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8606 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8609 appData.noChessProgram = TRUE;
8610 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8611 gameMode = BeginningOfGame; ModeHighlight();
8614 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8615 DisplayMessage("", ""); // erase waiting message
8616 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8621 ChessProgramState *savedState;
8623 DeferredBookMove (void)
8625 if(savedState->lastPing != savedState->lastPong)
8626 ScheduleDelayedEvent(DeferredBookMove, 10);
8628 HandleMachineMove(savedMessage, savedState);
8631 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8632 static ChessProgramState *stalledEngine;
8633 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8636 HandleMachineMove (char *message, ChessProgramState *cps)
8638 static char firstLeg[20];
8639 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8640 char realname[MSG_SIZ];
8641 int fromX, fromY, toX, toY;
8643 char promoChar, roar;
8645 int machineWhite, oldError;
8648 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8649 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8650 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8651 DisplayError(_("Invalid pairing from pairing engine"), 0);
8654 pairingReceived = 1;
8656 return; // Skim the pairing messages here.
8659 oldError = cps->userError; cps->userError = 0;
8661 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8663 * Kludge to ignore BEL characters
8665 while (*message == '\007') message++;
8668 * [HGM] engine debug message: ignore lines starting with '#' character
8670 if(cps->debug && *message == '#') return;
8673 * Look for book output
8675 if (cps == &first && bookRequested) {
8676 if (message[0] == '\t' || message[0] == ' ') {
8677 /* Part of the book output is here; append it */
8678 strcat(bookOutput, message);
8679 strcat(bookOutput, " \n");
8681 } else if (bookOutput[0] != NULLCHAR) {
8682 /* All of book output has arrived; display it */
8683 char *p = bookOutput;
8684 while (*p != NULLCHAR) {
8685 if (*p == '\t') *p = ' ';
8688 DisplayInformation(bookOutput);
8689 bookRequested = FALSE;
8690 /* Fall through to parse the current output */
8695 * Look for machine move.
8697 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8698 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8700 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8701 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8702 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8703 stalledEngine = cps;
8704 if(appData.ponderNextMove) { // bring opponent out of ponder
8705 if(gameMode == TwoMachinesPlay) {
8706 if(cps->other->pause)
8707 PauseEngine(cps->other);
8709 SendToProgram("easy\n", cps->other);
8718 /* This method is only useful on engines that support ping */
8719 if(abortEngineThink) {
8720 if (appData.debugMode) {
8721 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8723 SendToProgram("undo\n", cps);
8727 if (cps->lastPing != cps->lastPong) {
8728 /* Extra move from before last new; ignore */
8729 if (appData.debugMode) {
8730 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8738 case BeginningOfGame:
8739 /* Extra move from before last reset; ignore */
8740 if (appData.debugMode) {
8741 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8748 /* Extra move after we tried to stop. The mode test is
8749 not a reliable way of detecting this problem, but it's
8750 the best we can do on engines that don't support ping.
8752 if (appData.debugMode) {
8753 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8754 cps->which, gameMode);
8756 SendToProgram("undo\n", cps);
8759 case MachinePlaysWhite:
8760 case IcsPlayingWhite:
8761 machineWhite = TRUE;
8764 case MachinePlaysBlack:
8765 case IcsPlayingBlack:
8766 machineWhite = FALSE;
8769 case TwoMachinesPlay:
8770 machineWhite = (cps->twoMachinesColor[0] == 'w');
8773 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8774 if (appData.debugMode) {
8776 "Ignoring move out of turn by %s, gameMode %d"
8777 ", forwardMost %d\n",
8778 cps->which, gameMode, forwardMostMove);
8784 if(cps->alphaRank) AlphaRank(machineMove, 4);
8786 // [HGM] lion: (some very limited) support for Alien protocol
8787 killX = killY = kill2X = kill2Y = -1;
8788 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8789 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8792 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8793 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8794 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8796 if(firstLeg[0]) { // there was a previous leg;
8797 // only support case where same piece makes two step
8798 char buf[20], *p = machineMove+1, *q = buf+1, f;
8799 safeStrCpy(buf, machineMove, 20);
8800 while(isdigit(*q)) q++; // find start of to-square
8801 safeStrCpy(machineMove, firstLeg, 20);
8802 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8803 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8804 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8805 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8806 firstLeg[0] = NULLCHAR;
8809 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8810 &fromX, &fromY, &toX, &toY, &promoChar)) {
8811 /* Machine move could not be parsed; ignore it. */
8812 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8813 machineMove, _(cps->which));
8814 DisplayMoveError(buf1);
8815 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8816 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8817 if (gameMode == TwoMachinesPlay) {
8818 GameEnds(machineWhite ? BlackWins : WhiteWins,
8824 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8825 /* So we have to redo legality test with true e.p. status here, */
8826 /* to make sure an illegal e.p. capture does not slip through, */
8827 /* to cause a forfeit on a justified illegal-move complaint */
8828 /* of the opponent. */
8829 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8831 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8832 fromY, fromX, toY, toX, promoChar);
8833 if(moveType == IllegalMove) {
8834 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8835 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8836 GameEnds(machineWhite ? BlackWins : WhiteWins,
8839 } else if(!appData.fischerCastling)
8840 /* [HGM] Kludge to handle engines that send FRC-style castling
8841 when they shouldn't (like TSCP-Gothic) */
8843 case WhiteASideCastleFR:
8844 case BlackASideCastleFR:
8846 currentMoveString[2]++;
8848 case WhiteHSideCastleFR:
8849 case BlackHSideCastleFR:
8851 currentMoveString[2]--;
8853 default: ; // nothing to do, but suppresses warning of pedantic compilers
8856 hintRequested = FALSE;
8857 lastHint[0] = NULLCHAR;
8858 bookRequested = FALSE;
8859 /* Program may be pondering now */
8860 cps->maybeThinking = TRUE;
8861 if (cps->sendTime == 2) cps->sendTime = 1;
8862 if (cps->offeredDraw) cps->offeredDraw--;
8864 /* [AS] Save move info*/
8865 pvInfoList[ forwardMostMove ].score = programStats.score;
8866 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8867 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8869 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8871 /* Test suites abort the 'game' after one move */
8872 if(*appData.finger) {
8874 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8875 if(!f) f = fopen(appData.finger, "w");
8876 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8877 else { DisplayFatalError("Bad output file", errno, 0); return; }
8879 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8882 if(solvingTime >= 0) {
8883 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8884 totalTime += solvingTime; first.matchWins++;
8886 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8889 OutputKibitz(2, buf1);
8890 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8893 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8894 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8897 while( count < adjudicateLossPlies ) {
8898 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8901 score = -score; /* Flip score for winning side */
8904 if( score > appData.adjudicateLossThreshold ) {
8911 if( count >= adjudicateLossPlies ) {
8912 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8914 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8915 "Xboard adjudication",
8922 if(Adjudicate(cps)) {
8923 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8924 return; // [HGM] adjudicate: for all automatic game ends
8928 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8930 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8931 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8933 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8935 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8937 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8938 char buf[3*MSG_SIZ];
8940 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8941 programStats.score / 100.,
8943 programStats.time / 100.,
8944 (unsigned int)programStats.nodes,
8945 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8946 programStats.movelist);
8952 /* [AS] Clear stats for next move */
8953 ClearProgramStats();
8954 thinkOutput[0] = NULLCHAR;
8955 hiddenThinkOutputState = 0;
8958 if (gameMode == TwoMachinesPlay) {
8959 /* [HGM] relaying draw offers moved to after reception of move */
8960 /* and interpreting offer as claim if it brings draw condition */
8961 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8962 SendToProgram("draw\n", cps->other);
8964 if (cps->other->sendTime) {
8965 SendTimeRemaining(cps->other,
8966 cps->other->twoMachinesColor[0] == 'w');
8968 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8969 if (firstMove && !bookHit) {
8971 if (cps->other->useColors) {
8972 SendToProgram(cps->other->twoMachinesColor, cps->other);
8974 SendToProgram("go\n", cps->other);
8976 cps->other->maybeThinking = TRUE;
8979 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8981 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8983 if (!pausing && appData.ringBellAfterMoves) {
8984 if(!roar) RingBell();
8988 * Reenable menu items that were disabled while
8989 * machine was thinking
8991 if (gameMode != TwoMachinesPlay)
8992 SetUserThinkingEnables();
8994 // [HGM] book: after book hit opponent has received move and is now in force mode
8995 // force the book reply into it, and then fake that it outputted this move by jumping
8996 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8998 static char bookMove[MSG_SIZ]; // a bit generous?
9000 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9001 strcat(bookMove, bookHit);
9004 programStats.nodes = programStats.depth = programStats.time =
9005 programStats.score = programStats.got_only_move = 0;
9006 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9008 if(cps->lastPing != cps->lastPong) {
9009 savedMessage = message; // args for deferred call
9011 ScheduleDelayedEvent(DeferredBookMove, 10);
9020 /* Set special modes for chess engines. Later something general
9021 * could be added here; for now there is just one kludge feature,
9022 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9023 * when "xboard" is given as an interactive command.
9025 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9026 cps->useSigint = FALSE;
9027 cps->useSigterm = FALSE;
9029 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9030 ParseFeatures(message+8, cps);
9031 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9034 if (!strncmp(message, "setup ", 6) &&
9035 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9036 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9037 ) { // [HGM] allow first engine to define opening position
9038 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9039 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9041 if(sscanf(message, "setup (%s", buf) == 1) {
9042 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9043 ASSIGN(appData.pieceToCharTable, buf);
9045 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9047 while(message[s] && message[s++] != ' ');
9048 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9049 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9050 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9051 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9052 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9053 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9054 startedFromSetupPosition = FALSE;
9057 if(startedFromSetupPosition) return;
9058 ParseFEN(boards[0], &dummy, message+s, FALSE);
9059 DrawPosition(TRUE, boards[0]);
9060 CopyBoard(initialPosition, boards[0]);
9061 startedFromSetupPosition = TRUE;
9064 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9065 ChessSquare piece = WhitePawn;
9066 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9067 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9068 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9069 piece += CharToPiece(ID & 255) - WhitePawn;
9070 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9071 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9072 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9073 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9074 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9075 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9076 && gameInfo.variant != VariantGreat
9077 && gameInfo.variant != VariantFairy ) return;
9078 if(piece < EmptySquare) {
9080 ASSIGN(pieceDesc[piece], buf1);
9081 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9085 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9086 promoSweep = PieceToChar(forwardMostMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9090 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9091 * want this, I was asked to put it in, and obliged.
9093 if (!strncmp(message, "setboard ", 9)) {
9094 Board initial_position;
9096 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9098 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9099 DisplayError(_("Bad FEN received from engine"), 0);
9103 CopyBoard(boards[0], initial_position);
9104 initialRulePlies = FENrulePlies;
9105 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9106 else gameMode = MachinePlaysBlack;
9107 DrawPosition(FALSE, boards[currentMove]);
9113 * Look for communication commands
9115 if (!strncmp(message, "telluser ", 9)) {
9116 if(message[9] == '\\' && message[10] == '\\')
9117 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9119 DisplayNote(message + 9);
9122 if (!strncmp(message, "tellusererror ", 14)) {
9124 if(message[14] == '\\' && message[15] == '\\')
9125 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9127 DisplayError(message + 14, 0);
9130 if (!strncmp(message, "tellopponent ", 13)) {
9131 if (appData.icsActive) {
9133 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9137 DisplayNote(message + 13);
9141 if (!strncmp(message, "tellothers ", 11)) {
9142 if (appData.icsActive) {
9144 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9147 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9150 if (!strncmp(message, "tellall ", 8)) {
9151 if (appData.icsActive) {
9153 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9157 DisplayNote(message + 8);
9161 if (strncmp(message, "warning", 7) == 0) {
9162 /* Undocumented feature, use tellusererror in new code */
9163 DisplayError(message, 0);
9166 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9167 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9168 strcat(realname, " query");
9169 AskQuestion(realname, buf2, buf1, cps->pr);
9172 /* Commands from the engine directly to ICS. We don't allow these to be
9173 * sent until we are logged on. Crafty kibitzes have been known to
9174 * interfere with the login process.
9177 if (!strncmp(message, "tellics ", 8)) {
9178 SendToICS(message + 8);
9182 if (!strncmp(message, "tellicsnoalias ", 15)) {
9183 SendToICS(ics_prefix);
9184 SendToICS(message + 15);
9188 /* The following are for backward compatibility only */
9189 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9190 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9191 SendToICS(ics_prefix);
9197 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9198 if(initPing == cps->lastPong) {
9199 if(gameInfo.variant == VariantUnknown) {
9200 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9201 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9202 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9206 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9207 abortEngineThink = FALSE;
9208 DisplayMessage("", "");
9213 if(!strncmp(message, "highlight ", 10)) {
9214 if(appData.testLegality && !*engineVariant && appData.markers) return;
9215 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9218 if(!strncmp(message, "click ", 6)) {
9219 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9220 if(appData.testLegality || !appData.oneClick) return;
9221 sscanf(message+6, "%c%d%c", &f, &y, &c);
9222 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9223 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9224 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9225 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9226 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9227 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9228 LeftClick(Release, lastLeftX, lastLeftY);
9229 controlKey = (c == ',');
9230 LeftClick(Press, x, y);
9231 LeftClick(Release, x, y);
9232 first.highlight = f;
9236 * If the move is illegal, cancel it and redraw the board.
9237 * Also deal with other error cases. Matching is rather loose
9238 * here to accommodate engines written before the spec.
9240 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9241 strncmp(message, "Error", 5) == 0) {
9242 if (StrStr(message, "name") ||
9243 StrStr(message, "rating") || StrStr(message, "?") ||
9244 StrStr(message, "result") || StrStr(message, "board") ||
9245 StrStr(message, "bk") || StrStr(message, "computer") ||
9246 StrStr(message, "variant") || StrStr(message, "hint") ||
9247 StrStr(message, "random") || StrStr(message, "depth") ||
9248 StrStr(message, "accepted")) {
9251 if (StrStr(message, "protover")) {
9252 /* Program is responding to input, so it's apparently done
9253 initializing, and this error message indicates it is
9254 protocol version 1. So we don't need to wait any longer
9255 for it to initialize and send feature commands. */
9256 FeatureDone(cps, 1);
9257 cps->protocolVersion = 1;
9260 cps->maybeThinking = FALSE;
9262 if (StrStr(message, "draw")) {
9263 /* Program doesn't have "draw" command */
9264 cps->sendDrawOffers = 0;
9267 if (cps->sendTime != 1 &&
9268 (StrStr(message, "time") || StrStr(message, "otim"))) {
9269 /* Program apparently doesn't have "time" or "otim" command */
9273 if (StrStr(message, "analyze")) {
9274 cps->analysisSupport = FALSE;
9275 cps->analyzing = FALSE;
9276 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9277 EditGameEvent(); // [HGM] try to preserve loaded game
9278 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9279 DisplayError(buf2, 0);
9282 if (StrStr(message, "(no matching move)st")) {
9283 /* Special kludge for GNU Chess 4 only */
9284 cps->stKludge = TRUE;
9285 SendTimeControl(cps, movesPerSession, timeControl,
9286 timeIncrement, appData.searchDepth,
9290 if (StrStr(message, "(no matching move)sd")) {
9291 /* Special kludge for GNU Chess 4 only */
9292 cps->sdKludge = TRUE;
9293 SendTimeControl(cps, movesPerSession, timeControl,
9294 timeIncrement, appData.searchDepth,
9298 if (!StrStr(message, "llegal")) {
9301 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9302 gameMode == IcsIdle) return;
9303 if (forwardMostMove <= backwardMostMove) return;
9304 if (pausing) PauseEvent();
9305 if(appData.forceIllegal) {
9306 // [HGM] illegal: machine refused move; force position after move into it
9307 SendToProgram("force\n", cps);
9308 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9309 // we have a real problem now, as SendBoard will use the a2a3 kludge
9310 // when black is to move, while there might be nothing on a2 or black
9311 // might already have the move. So send the board as if white has the move.
9312 // But first we must change the stm of the engine, as it refused the last move
9313 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9314 if(WhiteOnMove(forwardMostMove)) {
9315 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9316 SendBoard(cps, forwardMostMove); // kludgeless board
9318 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9319 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9320 SendBoard(cps, forwardMostMove+1); // kludgeless board
9322 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9323 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9324 gameMode == TwoMachinesPlay)
9325 SendToProgram("go\n", cps);
9328 if (gameMode == PlayFromGameFile) {
9329 /* Stop reading this game file */
9330 gameMode = EditGame;
9333 /* [HGM] illegal-move claim should forfeit game when Xboard */
9334 /* only passes fully legal moves */
9335 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9336 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9337 "False illegal-move claim", GE_XBOARD );
9338 return; // do not take back move we tested as valid
9340 currentMove = forwardMostMove-1;
9341 DisplayMove(currentMove-1); /* before DisplayMoveError */
9342 SwitchClocks(forwardMostMove-1); // [HGM] race
9343 DisplayBothClocks();
9344 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9345 parseList[currentMove], _(cps->which));
9346 DisplayMoveError(buf1);
9347 DrawPosition(FALSE, boards[currentMove]);
9349 SetUserThinkingEnables();
9352 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9353 /* Program has a broken "time" command that
9354 outputs a string not ending in newline.
9358 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9359 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9360 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9364 * If chess program startup fails, exit with an error message.
9365 * Attempts to recover here are futile. [HGM] Well, we try anyway
9367 if ((StrStr(message, "unknown host") != NULL)
9368 || (StrStr(message, "No remote directory") != NULL)
9369 || (StrStr(message, "not found") != NULL)
9370 || (StrStr(message, "No such file") != NULL)
9371 || (StrStr(message, "can't alloc") != NULL)
9372 || (StrStr(message, "Permission denied") != NULL)) {
9374 cps->maybeThinking = FALSE;
9375 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9376 _(cps->which), cps->program, cps->host, message);
9377 RemoveInputSource(cps->isr);
9378 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9379 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9380 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9386 * Look for hint output
9388 if (sscanf(message, "Hint: %s", buf1) == 1) {
9389 if (cps == &first && hintRequested) {
9390 hintRequested = FALSE;
9391 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9392 &fromX, &fromY, &toX, &toY, &promoChar)) {
9393 (void) CoordsToAlgebraic(boards[forwardMostMove],
9394 PosFlags(forwardMostMove),
9395 fromY, fromX, toY, toX, promoChar, buf1);
9396 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9397 DisplayInformation(buf2);
9399 /* Hint move could not be parsed!? */
9400 snprintf(buf2, sizeof(buf2),
9401 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9402 buf1, _(cps->which));
9403 DisplayError(buf2, 0);
9406 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9412 * Ignore other messages if game is not in progress
9414 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9415 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9418 * look for win, lose, draw, or draw offer
9420 if (strncmp(message, "1-0", 3) == 0) {
9421 char *p, *q, *r = "";
9422 p = strchr(message, '{');
9430 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9432 } else if (strncmp(message, "0-1", 3) == 0) {
9433 char *p, *q, *r = "";
9434 p = strchr(message, '{');
9442 /* Kludge for Arasan 4.1 bug */
9443 if (strcmp(r, "Black resigns") == 0) {
9444 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9447 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9449 } else if (strncmp(message, "1/2", 3) == 0) {
9450 char *p, *q, *r = "";
9451 p = strchr(message, '{');
9460 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9463 } else if (strncmp(message, "White resign", 12) == 0) {
9464 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9466 } else if (strncmp(message, "Black resign", 12) == 0) {
9467 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9469 } else if (strncmp(message, "White matches", 13) == 0 ||
9470 strncmp(message, "Black matches", 13) == 0 ) {
9471 /* [HGM] ignore GNUShogi noises */
9473 } else if (strncmp(message, "White", 5) == 0 &&
9474 message[5] != '(' &&
9475 StrStr(message, "Black") == NULL) {
9476 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9478 } else if (strncmp(message, "Black", 5) == 0 &&
9479 message[5] != '(') {
9480 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9482 } else if (strcmp(message, "resign") == 0 ||
9483 strcmp(message, "computer resigns") == 0) {
9485 case MachinePlaysBlack:
9486 case IcsPlayingBlack:
9487 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9489 case MachinePlaysWhite:
9490 case IcsPlayingWhite:
9491 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9493 case TwoMachinesPlay:
9494 if (cps->twoMachinesColor[0] == 'w')
9495 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9497 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9504 } else if (strncmp(message, "opponent mates", 14) == 0) {
9506 case MachinePlaysBlack:
9507 case IcsPlayingBlack:
9508 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9510 case MachinePlaysWhite:
9511 case IcsPlayingWhite:
9512 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9514 case TwoMachinesPlay:
9515 if (cps->twoMachinesColor[0] == 'w')
9516 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9518 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9525 } else if (strncmp(message, "computer mates", 14) == 0) {
9527 case MachinePlaysBlack:
9528 case IcsPlayingBlack:
9529 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9531 case MachinePlaysWhite:
9532 case IcsPlayingWhite:
9533 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9535 case TwoMachinesPlay:
9536 if (cps->twoMachinesColor[0] == 'w')
9537 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9539 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9546 } else if (strncmp(message, "checkmate", 9) == 0) {
9547 if (WhiteOnMove(forwardMostMove)) {
9548 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9550 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9553 } else if (strstr(message, "Draw") != NULL ||
9554 strstr(message, "game is a draw") != NULL) {
9555 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9557 } else if (strstr(message, "offer") != NULL &&
9558 strstr(message, "draw") != NULL) {
9560 if (appData.zippyPlay && first.initDone) {
9561 /* Relay offer to ICS */
9562 SendToICS(ics_prefix);
9563 SendToICS("draw\n");
9566 cps->offeredDraw = 2; /* valid until this engine moves twice */
9567 if (gameMode == TwoMachinesPlay) {
9568 if (cps->other->offeredDraw) {
9569 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9570 /* [HGM] in two-machine mode we delay relaying draw offer */
9571 /* until after we also have move, to see if it is really claim */
9573 } else if (gameMode == MachinePlaysWhite ||
9574 gameMode == MachinePlaysBlack) {
9575 if (userOfferedDraw) {
9576 DisplayInformation(_("Machine accepts your draw offer"));
9577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9579 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9586 * Look for thinking output
9588 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9589 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9591 int plylev, mvleft, mvtot, curscore, time;
9592 char mvname[MOVE_LEN];
9596 int prefixHint = FALSE;
9597 mvname[0] = NULLCHAR;
9600 case MachinePlaysBlack:
9601 case IcsPlayingBlack:
9602 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9604 case MachinePlaysWhite:
9605 case IcsPlayingWhite:
9606 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9611 case IcsObserving: /* [DM] icsEngineAnalyze */
9612 if (!appData.icsEngineAnalyze) ignore = TRUE;
9614 case TwoMachinesPlay:
9615 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9625 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9627 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9628 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9629 char score_buf[MSG_SIZ];
9631 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9632 nodes += u64Const(0x100000000);
9634 if (plyext != ' ' && plyext != '\t') {
9638 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9639 if( cps->scoreIsAbsolute &&
9640 ( gameMode == MachinePlaysBlack ||
9641 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9642 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9643 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9644 !WhiteOnMove(currentMove)
9647 curscore = -curscore;
9650 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9652 if(*bestMove) { // rememer time best EPD move was first found
9653 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9655 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9656 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9657 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9660 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9663 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9664 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9665 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9666 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9667 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9668 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9672 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9673 DisplayError(_("failed writing PV"), 0);
9676 tempStats.depth = plylev;
9677 tempStats.nodes = nodes;
9678 tempStats.time = time;
9679 tempStats.score = curscore;
9680 tempStats.got_only_move = 0;
9682 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9685 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9686 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9687 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9688 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9689 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9690 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9691 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9692 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9695 /* Buffer overflow protection */
9696 if (pv[0] != NULLCHAR) {
9697 if (strlen(pv) >= sizeof(tempStats.movelist)
9698 && appData.debugMode) {
9700 "PV is too long; using the first %u bytes.\n",
9701 (unsigned) sizeof(tempStats.movelist) - 1);
9704 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9706 sprintf(tempStats.movelist, " no PV\n");
9709 if (tempStats.seen_stat) {
9710 tempStats.ok_to_send = 1;
9713 if (strchr(tempStats.movelist, '(') != NULL) {
9714 tempStats.line_is_book = 1;
9715 tempStats.nr_moves = 0;
9716 tempStats.moves_left = 0;
9718 tempStats.line_is_book = 0;
9721 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9722 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9724 SendProgramStatsToFrontend( cps, &tempStats );
9727 [AS] Protect the thinkOutput buffer from overflow... this
9728 is only useful if buf1 hasn't overflowed first!
9730 if(curscore >= MATE_SCORE)
9731 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9732 else if(curscore <= -MATE_SCORE)
9733 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9735 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9736 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9738 (gameMode == TwoMachinesPlay ?
9739 ToUpper(cps->twoMachinesColor[0]) : ' '),
9741 prefixHint ? lastHint : "",
9742 prefixHint ? " " : "" );
9744 if( buf1[0] != NULLCHAR ) {
9745 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9747 if( strlen(pv) > max_len ) {
9748 if( appData.debugMode) {
9749 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9751 pv[max_len+1] = '\0';
9754 strcat( thinkOutput, pv);
9757 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9758 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9759 DisplayMove(currentMove - 1);
9763 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9764 /* crafty (9.25+) says "(only move) <move>"
9765 * if there is only 1 legal move
9767 sscanf(p, "(only move) %s", buf1);
9768 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9769 sprintf(programStats.movelist, "%s (only move)", buf1);
9770 programStats.depth = 1;
9771 programStats.nr_moves = 1;
9772 programStats.moves_left = 1;
9773 programStats.nodes = 1;
9774 programStats.time = 1;
9775 programStats.got_only_move = 1;
9777 /* Not really, but we also use this member to
9778 mean "line isn't going to change" (Crafty
9779 isn't searching, so stats won't change) */
9780 programStats.line_is_book = 1;
9782 SendProgramStatsToFrontend( cps, &programStats );
9784 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9785 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9786 DisplayMove(currentMove - 1);
9789 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9790 &time, &nodes, &plylev, &mvleft,
9791 &mvtot, mvname) >= 5) {
9792 /* The stat01: line is from Crafty (9.29+) in response
9793 to the "." command */
9794 programStats.seen_stat = 1;
9795 cps->maybeThinking = TRUE;
9797 if (programStats.got_only_move || !appData.periodicUpdates)
9800 programStats.depth = plylev;
9801 programStats.time = time;
9802 programStats.nodes = nodes;
9803 programStats.moves_left = mvleft;
9804 programStats.nr_moves = mvtot;
9805 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9806 programStats.ok_to_send = 1;
9807 programStats.movelist[0] = '\0';
9809 SendProgramStatsToFrontend( cps, &programStats );
9813 } else if (strncmp(message,"++",2) == 0) {
9814 /* Crafty 9.29+ outputs this */
9815 programStats.got_fail = 2;
9818 } else if (strncmp(message,"--",2) == 0) {
9819 /* Crafty 9.29+ outputs this */
9820 programStats.got_fail = 1;
9823 } else if (thinkOutput[0] != NULLCHAR &&
9824 strncmp(message, " ", 4) == 0) {
9825 unsigned message_len;
9828 while (*p && *p == ' ') p++;
9830 message_len = strlen( p );
9832 /* [AS] Avoid buffer overflow */
9833 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9834 strcat(thinkOutput, " ");
9835 strcat(thinkOutput, p);
9838 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9839 strcat(programStats.movelist, " ");
9840 strcat(programStats.movelist, p);
9843 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9844 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9845 DisplayMove(currentMove - 1);
9853 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9854 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9856 ChessProgramStats cpstats;
9858 if (plyext != ' ' && plyext != '\t') {
9862 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9863 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9864 curscore = -curscore;
9867 cpstats.depth = plylev;
9868 cpstats.nodes = nodes;
9869 cpstats.time = time;
9870 cpstats.score = curscore;
9871 cpstats.got_only_move = 0;
9872 cpstats.movelist[0] = '\0';
9874 if (buf1[0] != NULLCHAR) {
9875 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9878 cpstats.ok_to_send = 0;
9879 cpstats.line_is_book = 0;
9880 cpstats.nr_moves = 0;
9881 cpstats.moves_left = 0;
9883 SendProgramStatsToFrontend( cps, &cpstats );
9890 /* Parse a game score from the character string "game", and
9891 record it as the history of the current game. The game
9892 score is NOT assumed to start from the standard position.
9893 The display is not updated in any way.
9896 ParseGameHistory (char *game)
9899 int fromX, fromY, toX, toY, boardIndex;
9904 if (appData.debugMode)
9905 fprintf(debugFP, "Parsing game history: %s\n", game);
9907 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9908 gameInfo.site = StrSave(appData.icsHost);
9909 gameInfo.date = PGNDate();
9910 gameInfo.round = StrSave("-");
9912 /* Parse out names of players */
9913 while (*game == ' ') game++;
9915 while (*game != ' ') *p++ = *game++;
9917 gameInfo.white = StrSave(buf);
9918 while (*game == ' ') game++;
9920 while (*game != ' ' && *game != '\n') *p++ = *game++;
9922 gameInfo.black = StrSave(buf);
9925 boardIndex = blackPlaysFirst ? 1 : 0;
9928 yyboardindex = boardIndex;
9929 moveType = (ChessMove) Myylex();
9931 case IllegalMove: /* maybe suicide chess, etc. */
9932 if (appData.debugMode) {
9933 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9934 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9935 setbuf(debugFP, NULL);
9937 case WhitePromotion:
9938 case BlackPromotion:
9939 case WhiteNonPromotion:
9940 case BlackNonPromotion:
9943 case WhiteCapturesEnPassant:
9944 case BlackCapturesEnPassant:
9945 case WhiteKingSideCastle:
9946 case WhiteQueenSideCastle:
9947 case BlackKingSideCastle:
9948 case BlackQueenSideCastle:
9949 case WhiteKingSideCastleWild:
9950 case WhiteQueenSideCastleWild:
9951 case BlackKingSideCastleWild:
9952 case BlackQueenSideCastleWild:
9954 case WhiteHSideCastleFR:
9955 case WhiteASideCastleFR:
9956 case BlackHSideCastleFR:
9957 case BlackASideCastleFR:
9959 fromX = currentMoveString[0] - AAA;
9960 fromY = currentMoveString[1] - ONE;
9961 toX = currentMoveString[2] - AAA;
9962 toY = currentMoveString[3] - ONE;
9963 promoChar = currentMoveString[4];
9967 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9968 fromX = moveType == WhiteDrop ?
9969 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9970 (int) CharToPiece(ToLower(currentMoveString[0]));
9972 toX = currentMoveString[2] - AAA;
9973 toY = currentMoveString[3] - ONE;
9974 promoChar = NULLCHAR;
9978 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9979 if (appData.debugMode) {
9980 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9981 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9982 setbuf(debugFP, NULL);
9984 DisplayError(buf, 0);
9986 case ImpossibleMove:
9988 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9989 if (appData.debugMode) {
9990 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9991 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9992 setbuf(debugFP, NULL);
9994 DisplayError(buf, 0);
9997 if (boardIndex < backwardMostMove) {
9998 /* Oops, gap. How did that happen? */
9999 DisplayError(_("Gap in move list"), 0);
10002 backwardMostMove = blackPlaysFirst ? 1 : 0;
10003 if (boardIndex > forwardMostMove) {
10004 forwardMostMove = boardIndex;
10008 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10009 strcat(parseList[boardIndex-1], " ");
10010 strcat(parseList[boardIndex-1], yy_text);
10022 case GameUnfinished:
10023 if (gameMode == IcsExamining) {
10024 if (boardIndex < backwardMostMove) {
10025 /* Oops, gap. How did that happen? */
10028 backwardMostMove = blackPlaysFirst ? 1 : 0;
10031 gameInfo.result = moveType;
10032 p = strchr(yy_text, '{');
10033 if (p == NULL) p = strchr(yy_text, '(');
10036 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10038 q = strchr(p, *p == '{' ? '}' : ')');
10039 if (q != NULL) *q = NULLCHAR;
10042 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10043 gameInfo.resultDetails = StrSave(p);
10046 if (boardIndex >= forwardMostMove &&
10047 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10048 backwardMostMove = blackPlaysFirst ? 1 : 0;
10051 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10052 fromY, fromX, toY, toX, promoChar,
10053 parseList[boardIndex]);
10054 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10055 /* currentMoveString is set as a side-effect of yylex */
10056 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10057 strcat(moveList[boardIndex], "\n");
10059 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10060 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10066 if(!IS_SHOGI(gameInfo.variant))
10067 strcat(parseList[boardIndex - 1], "+");
10071 strcat(parseList[boardIndex - 1], "#");
10078 /* Apply a move to the given board */
10080 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10082 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10083 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10085 /* [HGM] compute & store e.p. status and castling rights for new position */
10086 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10088 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10089 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10090 board[EP_STATUS] = EP_NONE;
10091 board[EP_FILE] = board[EP_RANK] = 100;
10093 if (fromY == DROP_RANK) {
10094 /* must be first */
10095 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10096 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10099 piece = board[toY][toX] = (ChessSquare) fromX;
10101 // ChessSquare victim;
10104 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10105 // victim = board[killY][killX],
10106 killed = board[killY][killX],
10107 board[killY][killX] = EmptySquare,
10108 board[EP_STATUS] = EP_CAPTURE;
10109 if( kill2X >= 0 && kill2Y >= 0)
10110 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10113 if( board[toY][toX] != EmptySquare ) {
10114 board[EP_STATUS] = EP_CAPTURE;
10115 if( (fromX != toX || fromY != toY) && // not igui!
10116 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10117 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10118 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10122 pawn = board[fromY][fromX];
10123 if( pawn == WhiteLance || pawn == BlackLance ) {
10124 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10125 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10126 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10129 if( pawn == WhitePawn ) {
10130 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10131 board[EP_STATUS] = EP_PAWN_MOVE;
10132 if( toY-fromY>=2) {
10133 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10134 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10135 gameInfo.variant != VariantBerolina || toX < fromX)
10136 board[EP_STATUS] = toX | berolina;
10137 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10138 gameInfo.variant != VariantBerolina || toX > fromX)
10139 board[EP_STATUS] = toX;
10142 if( pawn == BlackPawn ) {
10143 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10144 board[EP_STATUS] = EP_PAWN_MOVE;
10145 if( toY-fromY<= -2) {
10146 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10147 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10148 gameInfo.variant != VariantBerolina || toX < fromX)
10149 board[EP_STATUS] = toX | berolina;
10150 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10151 gameInfo.variant != VariantBerolina || toX > fromX)
10152 board[EP_STATUS] = toX;
10156 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10157 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10158 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10159 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10161 for(i=0; i<nrCastlingRights; i++) {
10162 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10163 board[CASTLING][i] == toX && castlingRank[i] == toY
10164 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10167 if(gameInfo.variant == VariantSChess) { // update virginity
10168 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10169 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10170 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10171 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10174 if (fromX == toX && fromY == toY) return;
10176 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10177 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10178 if(gameInfo.variant == VariantKnightmate)
10179 king += (int) WhiteUnicorn - (int) WhiteKing;
10181 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10182 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10183 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10184 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10185 board[EP_STATUS] = EP_NONE; // capture was fake!
10187 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10188 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10189 board[toY][toX] = piece;
10190 board[EP_STATUS] = EP_NONE; // capture was fake!
10192 /* Code added by Tord: */
10193 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10194 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10195 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10196 board[EP_STATUS] = EP_NONE; // capture was fake!
10197 board[fromY][fromX] = EmptySquare;
10198 board[toY][toX] = EmptySquare;
10199 if((toX > fromX) != (piece == WhiteRook)) {
10200 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10202 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10204 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10205 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10206 board[EP_STATUS] = EP_NONE;
10207 board[fromY][fromX] = EmptySquare;
10208 board[toY][toX] = EmptySquare;
10209 if((toX > fromX) != (piece == BlackRook)) {
10210 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10212 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10214 /* End of code added by Tord */
10216 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10217 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10218 board[toY][toX] = piece;
10219 } else if (board[fromY][fromX] == king
10220 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10221 && toY == fromY && toX > fromX+1) {
10222 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10223 board[fromY][toX-1] = board[fromY][rookX];
10224 board[fromY][rookX] = EmptySquare;
10225 board[fromY][fromX] = EmptySquare;
10226 board[toY][toX] = king;
10227 } else if (board[fromY][fromX] == king
10228 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10229 && toY == fromY && toX < fromX-1) {
10230 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10231 board[fromY][toX+1] = board[fromY][rookX];
10232 board[fromY][rookX] = EmptySquare;
10233 board[fromY][fromX] = EmptySquare;
10234 board[toY][toX] = king;
10235 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10236 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10237 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10239 /* white pawn promotion */
10240 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10241 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10242 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10243 board[fromY][fromX] = EmptySquare;
10244 } else if ((fromY >= BOARD_HEIGHT>>1)
10245 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10247 && gameInfo.variant != VariantXiangqi
10248 && gameInfo.variant != VariantBerolina
10249 && (pawn == WhitePawn)
10250 && (board[toY][toX] == EmptySquare)) {
10251 board[fromY][fromX] = EmptySquare;
10252 board[toY][toX] = piece;
10253 if(toY == epRank - 128 + 1)
10254 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10256 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10257 } else if ((fromY == BOARD_HEIGHT-4)
10259 && gameInfo.variant == VariantBerolina
10260 && (board[fromY][fromX] == WhitePawn)
10261 && (board[toY][toX] == EmptySquare)) {
10262 board[fromY][fromX] = EmptySquare;
10263 board[toY][toX] = WhitePawn;
10264 if(oldEP & EP_BEROLIN_A) {
10265 captured = board[fromY][fromX-1];
10266 board[fromY][fromX-1] = EmptySquare;
10267 }else{ captured = board[fromY][fromX+1];
10268 board[fromY][fromX+1] = EmptySquare;
10270 } else if (board[fromY][fromX] == king
10271 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10272 && toY == fromY && toX > fromX+1) {
10273 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10274 board[fromY][toX-1] = board[fromY][rookX];
10275 board[fromY][rookX] = EmptySquare;
10276 board[fromY][fromX] = EmptySquare;
10277 board[toY][toX] = king;
10278 } else if (board[fromY][fromX] == king
10279 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10280 && toY == fromY && toX < fromX-1) {
10281 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10282 board[fromY][toX+1] = board[fromY][rookX];
10283 board[fromY][rookX] = EmptySquare;
10284 board[fromY][fromX] = EmptySquare;
10285 board[toY][toX] = king;
10286 } else if (fromY == 7 && fromX == 3
10287 && board[fromY][fromX] == BlackKing
10288 && toY == 7 && toX == 5) {
10289 board[fromY][fromX] = EmptySquare;
10290 board[toY][toX] = BlackKing;
10291 board[fromY][7] = EmptySquare;
10292 board[toY][4] = BlackRook;
10293 } else if (fromY == 7 && fromX == 3
10294 && board[fromY][fromX] == BlackKing
10295 && toY == 7 && toX == 1) {
10296 board[fromY][fromX] = EmptySquare;
10297 board[toY][toX] = BlackKing;
10298 board[fromY][0] = EmptySquare;
10299 board[toY][2] = BlackRook;
10300 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10301 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10302 && toY < promoRank && promoChar
10304 /* black pawn promotion */
10305 board[toY][toX] = CharToPiece(ToLower(promoChar));
10306 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10307 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10308 board[fromY][fromX] = EmptySquare;
10309 } else if ((fromY < BOARD_HEIGHT>>1)
10310 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10312 && gameInfo.variant != VariantXiangqi
10313 && gameInfo.variant != VariantBerolina
10314 && (pawn == BlackPawn)
10315 && (board[toY][toX] == EmptySquare)) {
10316 board[fromY][fromX] = EmptySquare;
10317 board[toY][toX] = piece;
10318 if(toY == epRank - 128 - 1)
10319 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10321 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10322 } else if ((fromY == 3)
10324 && gameInfo.variant == VariantBerolina
10325 && (board[fromY][fromX] == BlackPawn)
10326 && (board[toY][toX] == EmptySquare)) {
10327 board[fromY][fromX] = EmptySquare;
10328 board[toY][toX] = BlackPawn;
10329 if(oldEP & EP_BEROLIN_A) {
10330 captured = board[fromY][fromX-1];
10331 board[fromY][fromX-1] = EmptySquare;
10332 }else{ captured = board[fromY][fromX+1];
10333 board[fromY][fromX+1] = EmptySquare;
10336 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10337 board[fromY][fromX] = EmptySquare;
10338 board[toY][toX] = piece;
10342 if (gameInfo.holdingsWidth != 0) {
10344 /* !!A lot more code needs to be written to support holdings */
10345 /* [HGM] OK, so I have written it. Holdings are stored in the */
10346 /* penultimate board files, so they are automaticlly stored */
10347 /* in the game history. */
10348 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10349 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10350 /* Delete from holdings, by decreasing count */
10351 /* and erasing image if necessary */
10352 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10353 if(p < (int) BlackPawn) { /* white drop */
10354 p -= (int)WhitePawn;
10355 p = PieceToNumber((ChessSquare)p);
10356 if(p >= gameInfo.holdingsSize) p = 0;
10357 if(--board[p][BOARD_WIDTH-2] <= 0)
10358 board[p][BOARD_WIDTH-1] = EmptySquare;
10359 if((int)board[p][BOARD_WIDTH-2] < 0)
10360 board[p][BOARD_WIDTH-2] = 0;
10361 } else { /* black drop */
10362 p -= (int)BlackPawn;
10363 p = PieceToNumber((ChessSquare)p);
10364 if(p >= gameInfo.holdingsSize) p = 0;
10365 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10366 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10367 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10368 board[BOARD_HEIGHT-1-p][1] = 0;
10371 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10372 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10373 /* [HGM] holdings: Add to holdings, if holdings exist */
10374 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10375 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10376 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10378 p = (int) captured;
10379 if (p >= (int) BlackPawn) {
10380 p -= (int)BlackPawn;
10381 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10382 /* Restore shogi-promoted piece to its original first */
10383 captured = (ChessSquare) (DEMOTED(captured));
10386 p = PieceToNumber((ChessSquare)p);
10387 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10388 board[p][BOARD_WIDTH-2]++;
10389 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10391 p -= (int)WhitePawn;
10392 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10393 captured = (ChessSquare) (DEMOTED(captured));
10396 p = PieceToNumber((ChessSquare)p);
10397 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10398 board[BOARD_HEIGHT-1-p][1]++;
10399 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10402 } else if (gameInfo.variant == VariantAtomic) {
10403 if (captured != EmptySquare) {
10405 for (y = toY-1; y <= toY+1; y++) {
10406 for (x = toX-1; x <= toX+1; x++) {
10407 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10408 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10409 board[y][x] = EmptySquare;
10413 board[toY][toX] = EmptySquare;
10417 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10418 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10420 if(promoChar == '+') {
10421 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10422 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10423 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10424 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10425 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10426 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10427 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10428 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10429 board[toY][toX] = newPiece;
10431 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10432 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10433 // [HGM] superchess: take promotion piece out of holdings
10434 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10435 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10436 if(!--board[k][BOARD_WIDTH-2])
10437 board[k][BOARD_WIDTH-1] = EmptySquare;
10439 if(!--board[BOARD_HEIGHT-1-k][1])
10440 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10445 /* Updates forwardMostMove */
10447 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10449 int x = toX, y = toY;
10450 char *s = parseList[forwardMostMove];
10451 ChessSquare p = boards[forwardMostMove][toY][toX];
10452 // forwardMostMove++; // [HGM] bare: moved downstream
10454 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10455 (void) CoordsToAlgebraic(boards[forwardMostMove],
10456 PosFlags(forwardMostMove),
10457 fromY, fromX, y, x, promoChar,
10459 if(killX >= 0 && killY >= 0)
10460 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10462 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10463 int timeLeft; static int lastLoadFlag=0; int king, piece;
10464 piece = boards[forwardMostMove][fromY][fromX];
10465 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10466 if(gameInfo.variant == VariantKnightmate)
10467 king += (int) WhiteUnicorn - (int) WhiteKing;
10468 if(forwardMostMove == 0) {
10469 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10470 fprintf(serverMoves, "%s;", UserName());
10471 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10472 fprintf(serverMoves, "%s;", second.tidy);
10473 fprintf(serverMoves, "%s;", first.tidy);
10474 if(gameMode == MachinePlaysWhite)
10475 fprintf(serverMoves, "%s;", UserName());
10476 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10477 fprintf(serverMoves, "%s;", second.tidy);
10478 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10479 lastLoadFlag = loadFlag;
10481 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10482 // print castling suffix
10483 if( toY == fromY && piece == king ) {
10485 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10487 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10490 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10491 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10492 boards[forwardMostMove][toY][toX] == EmptySquare
10493 && fromX != toX && fromY != toY)
10494 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10495 // promotion suffix
10496 if(promoChar != NULLCHAR) {
10497 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10498 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10499 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10500 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10503 char buf[MOVE_LEN*2], *p; int len;
10504 fprintf(serverMoves, "/%d/%d",
10505 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10506 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10507 else timeLeft = blackTimeRemaining/1000;
10508 fprintf(serverMoves, "/%d", timeLeft);
10509 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10510 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10511 if(p = strchr(buf, '=')) *p = NULLCHAR;
10512 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10513 fprintf(serverMoves, "/%s", buf);
10515 fflush(serverMoves);
10518 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10519 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10522 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10523 if (commentList[forwardMostMove+1] != NULL) {
10524 free(commentList[forwardMostMove+1]);
10525 commentList[forwardMostMove+1] = NULL;
10527 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10528 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10529 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10530 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10531 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10532 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10533 adjustedClock = FALSE;
10534 gameInfo.result = GameUnfinished;
10535 if (gameInfo.resultDetails != NULL) {
10536 free(gameInfo.resultDetails);
10537 gameInfo.resultDetails = NULL;
10539 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10540 moveList[forwardMostMove - 1]);
10541 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10547 if(!IS_SHOGI(gameInfo.variant))
10548 strcat(parseList[forwardMostMove - 1], "+");
10552 strcat(parseList[forwardMostMove - 1], "#");
10557 /* Updates currentMove if not pausing */
10559 ShowMove (int fromX, int fromY, int toX, int toY)
10561 int instant = (gameMode == PlayFromGameFile) ?
10562 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10563 if(appData.noGUI) return;
10564 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10566 if (forwardMostMove == currentMove + 1) {
10567 AnimateMove(boards[forwardMostMove - 1],
10568 fromX, fromY, toX, toY);
10571 currentMove = forwardMostMove;
10574 killX = killY = -1; // [HGM] lion: used up
10576 if (instant) return;
10578 DisplayMove(currentMove - 1);
10579 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10580 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10581 SetHighlights(fromX, fromY, toX, toY);
10584 DrawPosition(FALSE, boards[currentMove]);
10585 DisplayBothClocks();
10586 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10590 SendEgtPath (ChessProgramState *cps)
10591 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10592 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10594 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10597 char c, *q = name+1, *r, *s;
10599 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10600 while(*p && *p != ',') *q++ = *p++;
10601 *q++ = ':'; *q = 0;
10602 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10603 strcmp(name, ",nalimov:") == 0 ) {
10604 // take nalimov path from the menu-changeable option first, if it is defined
10605 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10606 SendToProgram(buf,cps); // send egtbpath command for nalimov
10608 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10609 (s = StrStr(appData.egtFormats, name)) != NULL) {
10610 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10611 s = r = StrStr(s, ":") + 1; // beginning of path info
10612 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10613 c = *r; *r = 0; // temporarily null-terminate path info
10614 *--q = 0; // strip of trailig ':' from name
10615 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10617 SendToProgram(buf,cps); // send egtbpath command for this format
10619 if(*p == ',') p++; // read away comma to position for next format name
10624 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10626 int width = 8, height = 8, holdings = 0; // most common sizes
10627 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10628 // correct the deviations default for each variant
10629 if( v == VariantXiangqi ) width = 9, height = 10;
10630 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10631 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10632 if( v == VariantCapablanca || v == VariantCapaRandom ||
10633 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10635 if( v == VariantCourier ) width = 12;
10636 if( v == VariantSuper ) holdings = 8;
10637 if( v == VariantGreat ) width = 10, holdings = 8;
10638 if( v == VariantSChess ) holdings = 7;
10639 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10640 if( v == VariantChuChess) width = 10, height = 10;
10641 if( v == VariantChu ) width = 12, height = 12;
10642 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10643 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10644 holdingsSize >= 0 && holdingsSize != holdings;
10647 char variantError[MSG_SIZ];
10650 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10651 { // returns error message (recognizable by upper-case) if engine does not support the variant
10652 char *p, *variant = VariantName(v);
10653 static char b[MSG_SIZ];
10654 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10655 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10656 holdingsSize, variant); // cook up sized variant name
10657 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10658 if(StrStr(list, b) == NULL) {
10659 // specific sized variant not known, check if general sizing allowed
10660 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10661 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10662 boardWidth, boardHeight, holdingsSize, engine);
10665 /* [HGM] here we really should compare with the maximum supported board size */
10667 } else snprintf(b, MSG_SIZ,"%s", variant);
10668 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10669 p = StrStr(list, b);
10670 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10672 // occurs not at all in list, or only as sub-string
10673 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10674 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10675 int l = strlen(variantError);
10677 while(p != list && p[-1] != ',') p--;
10678 q = strchr(p, ',');
10679 if(q) *q = NULLCHAR;
10680 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10689 InitChessProgram (ChessProgramState *cps, int setup)
10690 /* setup needed to setup FRC opening position */
10692 char buf[MSG_SIZ], *b;
10693 if (appData.noChessProgram) return;
10694 hintRequested = FALSE;
10695 bookRequested = FALSE;
10697 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10698 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10699 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10700 if(cps->memSize) { /* [HGM] memory */
10701 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10702 SendToProgram(buf, cps);
10704 SendEgtPath(cps); /* [HGM] EGT */
10705 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10706 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10707 SendToProgram(buf, cps);
10710 setboardSpoiledMachineBlack = FALSE;
10711 SendToProgram(cps->initString, cps);
10712 if (gameInfo.variant != VariantNormal &&
10713 gameInfo.variant != VariantLoadable
10714 /* [HGM] also send variant if board size non-standard */
10715 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10717 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10718 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10721 char c, *q = cps->variants, *p = strchr(q, ',');
10722 if(p) *p = NULLCHAR;
10723 v = StringToVariant(q);
10724 DisplayError(variantError, 0);
10725 if(v != VariantUnknown && cps == &first) {
10727 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10728 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10729 ASSIGN(appData.variant, q);
10730 Reset(TRUE, FALSE);
10736 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10737 SendToProgram(buf, cps);
10739 currentlyInitializedVariant = gameInfo.variant;
10741 /* [HGM] send opening position in FRC to first engine */
10743 SendToProgram("force\n", cps);
10745 /* engine is now in force mode! Set flag to wake it up after first move. */
10746 setboardSpoiledMachineBlack = 1;
10749 if (cps->sendICS) {
10750 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10751 SendToProgram(buf, cps);
10753 cps->maybeThinking = FALSE;
10754 cps->offeredDraw = 0;
10755 if (!appData.icsActive) {
10756 SendTimeControl(cps, movesPerSession, timeControl,
10757 timeIncrement, appData.searchDepth,
10760 if (appData.showThinking
10761 // [HGM] thinking: four options require thinking output to be sent
10762 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10764 SendToProgram("post\n", cps);
10766 SendToProgram("hard\n", cps);
10767 if (!appData.ponderNextMove) {
10768 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10769 it without being sure what state we are in first. "hard"
10770 is not a toggle, so that one is OK.
10772 SendToProgram("easy\n", cps);
10774 if (cps->usePing) {
10775 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10776 SendToProgram(buf, cps);
10778 cps->initDone = TRUE;
10779 ClearEngineOutputPane(cps == &second);
10784 ResendOptions (ChessProgramState *cps)
10785 { // send the stored value of the options
10788 Option *opt = cps->option;
10789 for(i=0; i<cps->nrOptions; i++, opt++) {
10790 switch(opt->type) {
10794 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10797 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10800 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10806 SendToProgram(buf, cps);
10811 StartChessProgram (ChessProgramState *cps)
10816 if (appData.noChessProgram) return;
10817 cps->initDone = FALSE;
10819 if (strcmp(cps->host, "localhost") == 0) {
10820 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10821 } else if (*appData.remoteShell == NULLCHAR) {
10822 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10824 if (*appData.remoteUser == NULLCHAR) {
10825 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10828 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10829 cps->host, appData.remoteUser, cps->program);
10831 err = StartChildProcess(buf, "", &cps->pr);
10835 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10836 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10837 if(cps != &first) return;
10838 appData.noChessProgram = TRUE;
10841 // DisplayFatalError(buf, err, 1);
10842 // cps->pr = NoProc;
10843 // cps->isr = NULL;
10847 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10848 if (cps->protocolVersion > 1) {
10849 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10850 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10851 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10852 cps->comboCnt = 0; // and values of combo boxes
10854 SendToProgram(buf, cps);
10855 if(cps->reload) ResendOptions(cps);
10857 SendToProgram("xboard\n", cps);
10862 TwoMachinesEventIfReady P((void))
10864 static int curMess = 0;
10865 if (first.lastPing != first.lastPong) {
10866 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10867 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10870 if (second.lastPing != second.lastPong) {
10871 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10872 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10875 DisplayMessage("", ""); curMess = 0;
10876 TwoMachinesEvent();
10880 MakeName (char *template)
10884 static char buf[MSG_SIZ];
10888 clock = time((time_t *)NULL);
10889 tm = localtime(&clock);
10891 while(*p++ = *template++) if(p[-1] == '%') {
10892 switch(*template++) {
10893 case 0: *p = 0; return buf;
10894 case 'Y': i = tm->tm_year+1900; break;
10895 case 'y': i = tm->tm_year-100; break;
10896 case 'M': i = tm->tm_mon+1; break;
10897 case 'd': i = tm->tm_mday; break;
10898 case 'h': i = tm->tm_hour; break;
10899 case 'm': i = tm->tm_min; break;
10900 case 's': i = tm->tm_sec; break;
10903 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10909 CountPlayers (char *p)
10912 while(p = strchr(p, '\n')) p++, n++; // count participants
10917 WriteTourneyFile (char *results, FILE *f)
10918 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10919 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10920 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10921 // create a file with tournament description
10922 fprintf(f, "-participants {%s}\n", appData.participants);
10923 fprintf(f, "-seedBase %d\n", appData.seedBase);
10924 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10925 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10926 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10927 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10928 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10929 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10930 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10931 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10932 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10933 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10934 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10935 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10936 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10937 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10938 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10939 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10940 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10941 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10942 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10943 fprintf(f, "-smpCores %d\n", appData.smpCores);
10945 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10947 fprintf(f, "-mps %d\n", appData.movesPerSession);
10948 fprintf(f, "-tc %s\n", appData.timeControl);
10949 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10951 fprintf(f, "-results \"%s\"\n", results);
10956 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10959 Substitute (char *participants, int expunge)
10961 int i, changed, changes=0, nPlayers=0;
10962 char *p, *q, *r, buf[MSG_SIZ];
10963 if(participants == NULL) return;
10964 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10965 r = p = participants; q = appData.participants;
10966 while(*p && *p == *q) {
10967 if(*p == '\n') r = p+1, nPlayers++;
10970 if(*p) { // difference
10971 while(*p && *p++ != '\n');
10972 while(*q && *q++ != '\n');
10973 changed = nPlayers;
10974 changes = 1 + (strcmp(p, q) != 0);
10976 if(changes == 1) { // a single engine mnemonic was changed
10977 q = r; while(*q) nPlayers += (*q++ == '\n');
10978 p = buf; while(*r && (*p = *r++) != '\n') p++;
10980 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10981 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10982 if(mnemonic[i]) { // The substitute is valid
10984 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10985 flock(fileno(f), LOCK_EX);
10986 ParseArgsFromFile(f);
10987 fseek(f, 0, SEEK_SET);
10988 FREE(appData.participants); appData.participants = participants;
10989 if(expunge) { // erase results of replaced engine
10990 int len = strlen(appData.results), w, b, dummy;
10991 for(i=0; i<len; i++) {
10992 Pairing(i, nPlayers, &w, &b, &dummy);
10993 if((w == changed || b == changed) && appData.results[i] == '*') {
10994 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10999 for(i=0; i<len; i++) {
11000 Pairing(i, nPlayers, &w, &b, &dummy);
11001 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11004 WriteTourneyFile(appData.results, f);
11005 fclose(f); // release lock
11008 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11010 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11011 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11012 free(participants);
11017 CheckPlayers (char *participants)
11020 char buf[MSG_SIZ], *p;
11021 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11022 while(p = strchr(participants, '\n')) {
11024 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11026 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11028 DisplayError(buf, 0);
11032 participants = p + 1;
11038 CreateTourney (char *name)
11041 if(matchMode && strcmp(name, appData.tourneyFile)) {
11042 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11044 if(name[0] == NULLCHAR) {
11045 if(appData.participants[0])
11046 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11049 f = fopen(name, "r");
11050 if(f) { // file exists
11051 ASSIGN(appData.tourneyFile, name);
11052 ParseArgsFromFile(f); // parse it
11054 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11055 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11056 DisplayError(_("Not enough participants"), 0);
11059 if(CheckPlayers(appData.participants)) return 0;
11060 ASSIGN(appData.tourneyFile, name);
11061 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11062 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11065 appData.noChessProgram = FALSE;
11066 appData.clockMode = TRUE;
11072 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11074 char buf[MSG_SIZ], *p, *q;
11075 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11076 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11077 skip = !all && group[0]; // if group requested, we start in skip mode
11078 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11079 p = names; q = buf; header = 0;
11080 while(*p && *p != '\n') *q++ = *p++;
11082 if(*p == '\n') p++;
11083 if(buf[0] == '#') {
11084 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11085 depth++; // we must be entering a new group
11086 if(all) continue; // suppress printing group headers when complete list requested
11088 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11090 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11091 if(engineList[i]) free(engineList[i]);
11092 engineList[i] = strdup(buf);
11093 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11094 if(engineMnemonic[i]) free(engineMnemonic[i]);
11095 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11097 sscanf(q + 8, "%s", buf + strlen(buf));
11100 engineMnemonic[i] = strdup(buf);
11103 engineList[i] = engineMnemonic[i] = NULL;
11107 // following implemented as macro to avoid type limitations
11108 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11111 SwapEngines (int n)
11112 { // swap settings for first engine and other engine (so far only some selected options)
11117 SWAP(chessProgram, p)
11119 SWAP(hasOwnBookUCI, h)
11120 SWAP(protocolVersion, h)
11122 SWAP(scoreIsAbsolute, h)
11127 SWAP(engOptions, p)
11128 SWAP(engInitString, p)
11129 SWAP(computerString, p)
11131 SWAP(fenOverride, p)
11133 SWAP(accumulateTC, h)
11140 GetEngineLine (char *s, int n)
11144 extern char *icsNames;
11145 if(!s || !*s) return 0;
11146 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11147 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11148 if(!mnemonic[i]) return 0;
11149 if(n == 11) return 1; // just testing if there was a match
11150 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11151 if(n == 1) SwapEngines(n);
11152 ParseArgsFromString(buf);
11153 if(n == 1) SwapEngines(n);
11154 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11155 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11156 ParseArgsFromString(buf);
11162 SetPlayer (int player, char *p)
11163 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11165 char buf[MSG_SIZ], *engineName;
11166 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11167 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11168 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11170 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11171 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11172 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11173 ParseArgsFromString(buf);
11174 } else { // no engine with this nickname is installed!
11175 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11176 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11177 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11179 DisplayError(buf, 0);
11186 char *recentEngines;
11189 RecentEngineEvent (int nr)
11192 // SwapEngines(1); // bump first to second
11193 // ReplaceEngine(&second, 1); // and load it there
11194 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11195 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11196 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11197 ReplaceEngine(&first, 0);
11198 FloatToFront(&appData.recentEngineList, command[n]);
11203 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11204 { // determine players from game number
11205 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11207 if(appData.tourneyType == 0) {
11208 roundsPerCycle = (nPlayers - 1) | 1;
11209 pairingsPerRound = nPlayers / 2;
11210 } else if(appData.tourneyType > 0) {
11211 roundsPerCycle = nPlayers - appData.tourneyType;
11212 pairingsPerRound = appData.tourneyType;
11214 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11215 gamesPerCycle = gamesPerRound * roundsPerCycle;
11216 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11217 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11218 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11219 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11220 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11221 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11223 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11224 if(appData.roundSync) *syncInterval = gamesPerRound;
11226 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11228 if(appData.tourneyType == 0) {
11229 if(curPairing == (nPlayers-1)/2 ) {
11230 *whitePlayer = curRound;
11231 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11233 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11234 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11235 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11236 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11238 } else if(appData.tourneyType > 1) {
11239 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11240 *whitePlayer = curRound + appData.tourneyType;
11241 } else if(appData.tourneyType > 0) {
11242 *whitePlayer = curPairing;
11243 *blackPlayer = curRound + appData.tourneyType;
11246 // take care of white/black alternation per round.
11247 // For cycles and games this is already taken care of by default, derived from matchGame!
11248 return curRound & 1;
11252 NextTourneyGame (int nr, int *swapColors)
11253 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11255 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11257 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11258 tf = fopen(appData.tourneyFile, "r");
11259 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11260 ParseArgsFromFile(tf); fclose(tf);
11261 InitTimeControls(); // TC might be altered from tourney file
11263 nPlayers = CountPlayers(appData.participants); // count participants
11264 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11265 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11268 p = q = appData.results;
11269 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11270 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11271 DisplayMessage(_("Waiting for other game(s)"),"");
11272 waitingForGame = TRUE;
11273 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11276 waitingForGame = FALSE;
11279 if(appData.tourneyType < 0) {
11280 if(nr>=0 && !pairingReceived) {
11282 if(pairing.pr == NoProc) {
11283 if(!appData.pairingEngine[0]) {
11284 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11287 StartChessProgram(&pairing); // starts the pairing engine
11289 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11290 SendToProgram(buf, &pairing);
11291 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11292 SendToProgram(buf, &pairing);
11293 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11295 pairingReceived = 0; // ... so we continue here
11297 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11298 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11299 matchGame = 1; roundNr = nr / syncInterval + 1;
11302 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11304 // redefine engines, engine dir, etc.
11305 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11306 if(first.pr == NoProc) {
11307 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11308 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11310 if(second.pr == NoProc) {
11312 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11313 SwapEngines(1); // and make that valid for second engine by swapping
11314 InitEngine(&second, 1);
11316 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11317 UpdateLogos(FALSE); // leave display to ModeHiglight()
11323 { // performs game initialization that does not invoke engines, and then tries to start the game
11324 int res, firstWhite, swapColors = 0;
11325 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11326 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
11328 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11329 if(strcmp(buf, currentDebugFile)) { // name has changed
11330 FILE *f = fopen(buf, "w");
11331 if(f) { // if opening the new file failed, just keep using the old one
11332 ASSIGN(currentDebugFile, buf);
11336 if(appData.serverFileName) {
11337 if(serverFP) fclose(serverFP);
11338 serverFP = fopen(appData.serverFileName, "w");
11339 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11340 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11344 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11345 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11346 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11347 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11348 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11349 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11350 Reset(FALSE, first.pr != NoProc);
11351 res = LoadGameOrPosition(matchGame); // setup game
11352 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11353 if(!res) return; // abort when bad game/pos file
11354 TwoMachinesEvent();
11358 UserAdjudicationEvent (int result)
11360 ChessMove gameResult = GameIsDrawn;
11363 gameResult = WhiteWins;
11365 else if( result < 0 ) {
11366 gameResult = BlackWins;
11369 if( gameMode == TwoMachinesPlay ) {
11370 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11375 // [HGM] save: calculate checksum of game to make games easily identifiable
11377 StringCheckSum (char *s)
11380 if(s==NULL) return 0;
11381 while(*s) i = i*259 + *s++;
11389 for(i=backwardMostMove; i<forwardMostMove; i++) {
11390 sum += pvInfoList[i].depth;
11391 sum += StringCheckSum(parseList[i]);
11392 sum += StringCheckSum(commentList[i]);
11395 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11396 return sum + StringCheckSum(commentList[i]);
11397 } // end of save patch
11400 GameEnds (ChessMove result, char *resultDetails, int whosays)
11402 GameMode nextGameMode;
11404 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11406 if(endingGame) return; /* [HGM] crash: forbid recursion */
11408 if(twoBoards) { // [HGM] dual: switch back to one board
11409 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11410 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11412 if (appData.debugMode) {
11413 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11414 result, resultDetails ? resultDetails : "(null)", whosays);
11417 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11419 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11421 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11422 /* If we are playing on ICS, the server decides when the
11423 game is over, but the engine can offer to draw, claim
11427 if (appData.zippyPlay && first.initDone) {
11428 if (result == GameIsDrawn) {
11429 /* In case draw still needs to be claimed */
11430 SendToICS(ics_prefix);
11431 SendToICS("draw\n");
11432 } else if (StrCaseStr(resultDetails, "resign")) {
11433 SendToICS(ics_prefix);
11434 SendToICS("resign\n");
11438 endingGame = 0; /* [HGM] crash */
11442 /* If we're loading the game from a file, stop */
11443 if (whosays == GE_FILE) {
11444 (void) StopLoadGameTimer();
11448 /* Cancel draw offers */
11449 first.offeredDraw = second.offeredDraw = 0;
11451 /* If this is an ICS game, only ICS can really say it's done;
11452 if not, anyone can. */
11453 isIcsGame = (gameMode == IcsPlayingWhite ||
11454 gameMode == IcsPlayingBlack ||
11455 gameMode == IcsObserving ||
11456 gameMode == IcsExamining);
11458 if (!isIcsGame || whosays == GE_ICS) {
11459 /* OK -- not an ICS game, or ICS said it was done */
11461 if (!isIcsGame && !appData.noChessProgram)
11462 SetUserThinkingEnables();
11464 /* [HGM] if a machine claims the game end we verify this claim */
11465 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11466 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11468 ChessMove trueResult = (ChessMove) -1;
11470 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11471 first.twoMachinesColor[0] :
11472 second.twoMachinesColor[0] ;
11474 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11475 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11476 /* [HGM] verify: engine mate claims accepted if they were flagged */
11477 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11479 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11480 /* [HGM] verify: engine mate claims accepted if they were flagged */
11481 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11483 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11484 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11487 // now verify win claims, but not in drop games, as we don't understand those yet
11488 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11489 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11490 (result == WhiteWins && claimer == 'w' ||
11491 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11492 if (appData.debugMode) {
11493 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11494 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11496 if(result != trueResult) {
11497 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11498 result = claimer == 'w' ? BlackWins : WhiteWins;
11499 resultDetails = buf;
11502 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11503 && (forwardMostMove <= backwardMostMove ||
11504 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11505 (claimer=='b')==(forwardMostMove&1))
11507 /* [HGM] verify: draws that were not flagged are false claims */
11508 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11509 result = claimer == 'w' ? BlackWins : WhiteWins;
11510 resultDetails = buf;
11512 /* (Claiming a loss is accepted no questions asked!) */
11513 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11514 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11515 result = GameUnfinished;
11516 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11518 /* [HGM] bare: don't allow bare King to win */
11519 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11520 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11521 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11522 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11523 && result != GameIsDrawn)
11524 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11525 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11526 int p = (signed char)boards[forwardMostMove][i][j] - color;
11527 if(p >= 0 && p <= (int)WhiteKing) k++;
11528 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11530 if (appData.debugMode) {
11531 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11532 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11534 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11535 result = GameIsDrawn;
11536 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11537 resultDetails = buf;
11543 if(serverMoves != NULL && !loadFlag) { char c = '=';
11544 if(result==WhiteWins) c = '+';
11545 if(result==BlackWins) c = '-';
11546 if(resultDetails != NULL)
11547 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11549 if (resultDetails != NULL) {
11550 gameInfo.result = result;
11551 gameInfo.resultDetails = StrSave(resultDetails);
11553 /* display last move only if game was not loaded from file */
11554 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11555 DisplayMove(currentMove - 1);
11557 if (forwardMostMove != 0) {
11558 if (gameMode != PlayFromGameFile && gameMode != EditGame
11559 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11561 if (*appData.saveGameFile != NULLCHAR) {
11562 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11563 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11565 SaveGameToFile(appData.saveGameFile, TRUE);
11566 } else if (appData.autoSaveGames) {
11567 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11569 if (*appData.savePositionFile != NULLCHAR) {
11570 SavePositionToFile(appData.savePositionFile);
11572 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11576 /* Tell program how game ended in case it is learning */
11577 /* [HGM] Moved this to after saving the PGN, just in case */
11578 /* engine died and we got here through time loss. In that */
11579 /* case we will get a fatal error writing the pipe, which */
11580 /* would otherwise lose us the PGN. */
11581 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11582 /* output during GameEnds should never be fatal anymore */
11583 if (gameMode == MachinePlaysWhite ||
11584 gameMode == MachinePlaysBlack ||
11585 gameMode == TwoMachinesPlay ||
11586 gameMode == IcsPlayingWhite ||
11587 gameMode == IcsPlayingBlack ||
11588 gameMode == BeginningOfGame) {
11590 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11592 if (first.pr != NoProc) {
11593 SendToProgram(buf, &first);
11595 if (second.pr != NoProc &&
11596 gameMode == TwoMachinesPlay) {
11597 SendToProgram(buf, &second);
11602 if (appData.icsActive) {
11603 if (appData.quietPlay &&
11604 (gameMode == IcsPlayingWhite ||
11605 gameMode == IcsPlayingBlack)) {
11606 SendToICS(ics_prefix);
11607 SendToICS("set shout 1\n");
11609 nextGameMode = IcsIdle;
11610 ics_user_moved = FALSE;
11611 /* clean up premove. It's ugly when the game has ended and the
11612 * premove highlights are still on the board.
11615 gotPremove = FALSE;
11616 ClearPremoveHighlights();
11617 DrawPosition(FALSE, boards[currentMove]);
11619 if (whosays == GE_ICS) {
11622 if (gameMode == IcsPlayingWhite)
11624 else if(gameMode == IcsPlayingBlack)
11625 PlayIcsLossSound();
11628 if (gameMode == IcsPlayingBlack)
11630 else if(gameMode == IcsPlayingWhite)
11631 PlayIcsLossSound();
11634 PlayIcsDrawSound();
11637 PlayIcsUnfinishedSound();
11640 if(appData.quitNext) { ExitEvent(0); return; }
11641 } else if (gameMode == EditGame ||
11642 gameMode == PlayFromGameFile ||
11643 gameMode == AnalyzeMode ||
11644 gameMode == AnalyzeFile) {
11645 nextGameMode = gameMode;
11647 nextGameMode = EndOfGame;
11652 nextGameMode = gameMode;
11655 if (appData.noChessProgram) {
11656 gameMode = nextGameMode;
11658 endingGame = 0; /* [HGM] crash */
11663 /* Put first chess program into idle state */
11664 if (first.pr != NoProc &&
11665 (gameMode == MachinePlaysWhite ||
11666 gameMode == MachinePlaysBlack ||
11667 gameMode == TwoMachinesPlay ||
11668 gameMode == IcsPlayingWhite ||
11669 gameMode == IcsPlayingBlack ||
11670 gameMode == BeginningOfGame)) {
11671 SendToProgram("force\n", &first);
11672 if (first.usePing) {
11674 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11675 SendToProgram(buf, &first);
11678 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11679 /* Kill off first chess program */
11680 if (first.isr != NULL)
11681 RemoveInputSource(first.isr);
11684 if (first.pr != NoProc) {
11686 DoSleep( appData.delayBeforeQuit );
11687 SendToProgram("quit\n", &first);
11688 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11689 first.reload = TRUE;
11693 if (second.reuse) {
11694 /* Put second chess program into idle state */
11695 if (second.pr != NoProc &&
11696 gameMode == TwoMachinesPlay) {
11697 SendToProgram("force\n", &second);
11698 if (second.usePing) {
11700 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11701 SendToProgram(buf, &second);
11704 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11705 /* Kill off second chess program */
11706 if (second.isr != NULL)
11707 RemoveInputSource(second.isr);
11710 if (second.pr != NoProc) {
11711 DoSleep( appData.delayBeforeQuit );
11712 SendToProgram("quit\n", &second);
11713 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11714 second.reload = TRUE;
11716 second.pr = NoProc;
11719 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11720 char resChar = '=';
11724 if (first.twoMachinesColor[0] == 'w') {
11727 second.matchWins++;
11732 if (first.twoMachinesColor[0] == 'b') {
11735 second.matchWins++;
11738 case GameUnfinished:
11744 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11745 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11746 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11747 ReserveGame(nextGame, resChar); // sets nextGame
11748 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11749 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11750 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11752 if (nextGame <= appData.matchGames && !abortMatch) {
11753 gameMode = nextGameMode;
11754 matchGame = nextGame; // this will be overruled in tourney mode!
11755 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11756 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11757 endingGame = 0; /* [HGM] crash */
11760 gameMode = nextGameMode;
11761 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11762 first.tidy, second.tidy,
11763 first.matchWins, second.matchWins,
11764 appData.matchGames - (first.matchWins + second.matchWins));
11765 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11766 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11767 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11768 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11769 first.twoMachinesColor = "black\n";
11770 second.twoMachinesColor = "white\n";
11772 first.twoMachinesColor = "white\n";
11773 second.twoMachinesColor = "black\n";
11777 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11778 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11780 gameMode = nextGameMode;
11782 endingGame = 0; /* [HGM] crash */
11783 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11784 if(matchMode == TRUE) { // match through command line: exit with or without popup
11786 ToNrEvent(forwardMostMove);
11787 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11789 } else DisplayFatalError(buf, 0, 0);
11790 } else { // match through menu; just stop, with or without popup
11791 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11794 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11795 } else DisplayNote(buf);
11797 if(ranking) free(ranking);
11801 /* Assumes program was just initialized (initString sent).
11802 Leaves program in force mode. */
11804 FeedMovesToProgram (ChessProgramState *cps, int upto)
11808 if (appData.debugMode)
11809 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11810 startedFromSetupPosition ? "position and " : "",
11811 backwardMostMove, upto, cps->which);
11812 if(currentlyInitializedVariant != gameInfo.variant) {
11814 // [HGM] variantswitch: make engine aware of new variant
11815 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11816 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11817 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11818 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11819 SendToProgram(buf, cps);
11820 currentlyInitializedVariant = gameInfo.variant;
11822 SendToProgram("force\n", cps);
11823 if (startedFromSetupPosition) {
11824 SendBoard(cps, backwardMostMove);
11825 if (appData.debugMode) {
11826 fprintf(debugFP, "feedMoves\n");
11829 for (i = backwardMostMove; i < upto; i++) {
11830 SendMoveToProgram(i, cps);
11836 ResurrectChessProgram ()
11838 /* The chess program may have exited.
11839 If so, restart it and feed it all the moves made so far. */
11840 static int doInit = 0;
11842 if (appData.noChessProgram) return 1;
11844 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11845 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11846 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11847 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11849 if (first.pr != NoProc) return 1;
11850 StartChessProgram(&first);
11852 InitChessProgram(&first, FALSE);
11853 FeedMovesToProgram(&first, currentMove);
11855 if (!first.sendTime) {
11856 /* can't tell gnuchess what its clock should read,
11857 so we bow to its notion. */
11859 timeRemaining[0][currentMove] = whiteTimeRemaining;
11860 timeRemaining[1][currentMove] = blackTimeRemaining;
11863 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11864 appData.icsEngineAnalyze) && first.analysisSupport) {
11865 SendToProgram("analyze\n", &first);
11866 first.analyzing = TRUE;
11872 * Button procedures
11875 Reset (int redraw, int init)
11879 if (appData.debugMode) {
11880 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11881 redraw, init, gameMode);
11883 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11884 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11885 CleanupTail(); // [HGM] vari: delete any stored variations
11886 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11887 pausing = pauseExamInvalid = FALSE;
11888 startedFromSetupPosition = blackPlaysFirst = FALSE;
11890 whiteFlag = blackFlag = FALSE;
11891 userOfferedDraw = FALSE;
11892 hintRequested = bookRequested = FALSE;
11893 first.maybeThinking = FALSE;
11894 second.maybeThinking = FALSE;
11895 first.bookSuspend = FALSE; // [HGM] book
11896 second.bookSuspend = FALSE;
11897 thinkOutput[0] = NULLCHAR;
11898 lastHint[0] = NULLCHAR;
11899 ClearGameInfo(&gameInfo);
11900 gameInfo.variant = StringToVariant(appData.variant);
11901 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11902 ics_user_moved = ics_clock_paused = FALSE;
11903 ics_getting_history = H_FALSE;
11905 white_holding[0] = black_holding[0] = NULLCHAR;
11906 ClearProgramStats();
11907 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11911 flipView = appData.flipView;
11912 ClearPremoveHighlights();
11913 gotPremove = FALSE;
11914 alarmSounded = FALSE;
11915 killX = killY = -1; // [HGM] lion
11917 GameEnds(EndOfFile, NULL, GE_PLAYER);
11918 if(appData.serverMovesName != NULL) {
11919 /* [HGM] prepare to make moves file for broadcasting */
11920 clock_t t = clock();
11921 if(serverMoves != NULL) fclose(serverMoves);
11922 serverMoves = fopen(appData.serverMovesName, "r");
11923 if(serverMoves != NULL) {
11924 fclose(serverMoves);
11925 /* delay 15 sec before overwriting, so all clients can see end */
11926 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11928 serverMoves = fopen(appData.serverMovesName, "w");
11932 gameMode = BeginningOfGame;
11934 if(appData.icsActive) gameInfo.variant = VariantNormal;
11935 currentMove = forwardMostMove = backwardMostMove = 0;
11936 MarkTargetSquares(1);
11937 InitPosition(redraw);
11938 for (i = 0; i < MAX_MOVES; i++) {
11939 if (commentList[i] != NULL) {
11940 free(commentList[i]);
11941 commentList[i] = NULL;
11945 timeRemaining[0][0] = whiteTimeRemaining;
11946 timeRemaining[1][0] = blackTimeRemaining;
11948 if (first.pr == NoProc) {
11949 StartChessProgram(&first);
11952 InitChessProgram(&first, startedFromSetupPosition);
11955 DisplayMessage("", "");
11956 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11957 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11958 ClearMap(); // [HGM] exclude: invalidate map
11962 AutoPlayGameLoop ()
11965 if (!AutoPlayOneMove())
11967 if (matchMode || appData.timeDelay == 0)
11969 if (appData.timeDelay < 0)
11971 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11979 ReloadGame(1); // next game
11985 int fromX, fromY, toX, toY;
11987 if (appData.debugMode) {
11988 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11991 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11994 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11995 pvInfoList[currentMove].depth = programStats.depth;
11996 pvInfoList[currentMove].score = programStats.score;
11997 pvInfoList[currentMove].time = 0;
11998 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11999 else { // append analysis of final position as comment
12001 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12002 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12004 programStats.depth = 0;
12007 if (currentMove >= forwardMostMove) {
12008 if(gameMode == AnalyzeFile) {
12009 if(appData.loadGameIndex == -1) {
12010 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12011 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12013 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12016 // gameMode = EndOfGame;
12017 // ModeHighlight();
12019 /* [AS] Clear current move marker at the end of a game */
12020 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12025 toX = moveList[currentMove][2] - AAA;
12026 toY = moveList[currentMove][3] - ONE;
12028 if (moveList[currentMove][1] == '@') {
12029 if (appData.highlightLastMove) {
12030 SetHighlights(-1, -1, toX, toY);
12033 int viaX = moveList[currentMove][5] - AAA;
12034 int viaY = moveList[currentMove][6] - ONE;
12035 fromX = moveList[currentMove][0] - AAA;
12036 fromY = moveList[currentMove][1] - ONE;
12038 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12040 if(moveList[currentMove][4] == ';') { // multi-leg
12041 ChessSquare piece = boards[currentMove][viaY][viaX];
12042 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12043 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12044 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12045 boards[currentMove][viaY][viaX] = piece;
12047 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12049 if (appData.highlightLastMove) {
12050 SetHighlights(fromX, fromY, toX, toY);
12053 DisplayMove(currentMove);
12054 SendMoveToProgram(currentMove++, &first);
12055 DisplayBothClocks();
12056 DrawPosition(FALSE, boards[currentMove]);
12057 // [HGM] PV info: always display, routine tests if empty
12058 DisplayComment(currentMove - 1, commentList[currentMove]);
12064 LoadGameOneMove (ChessMove readAhead)
12066 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12067 char promoChar = NULLCHAR;
12068 ChessMove moveType;
12069 char move[MSG_SIZ];
12072 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12073 gameMode != AnalyzeMode && gameMode != Training) {
12078 yyboardindex = forwardMostMove;
12079 if (readAhead != EndOfFile) {
12080 moveType = readAhead;
12082 if (gameFileFP == NULL)
12084 moveType = (ChessMove) Myylex();
12088 switch (moveType) {
12090 if (appData.debugMode)
12091 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12094 /* append the comment but don't display it */
12095 AppendComment(currentMove, p, FALSE);
12098 case WhiteCapturesEnPassant:
12099 case BlackCapturesEnPassant:
12100 case WhitePromotion:
12101 case BlackPromotion:
12102 case WhiteNonPromotion:
12103 case BlackNonPromotion:
12106 case WhiteKingSideCastle:
12107 case WhiteQueenSideCastle:
12108 case BlackKingSideCastle:
12109 case BlackQueenSideCastle:
12110 case WhiteKingSideCastleWild:
12111 case WhiteQueenSideCastleWild:
12112 case BlackKingSideCastleWild:
12113 case BlackQueenSideCastleWild:
12115 case WhiteHSideCastleFR:
12116 case WhiteASideCastleFR:
12117 case BlackHSideCastleFR:
12118 case BlackASideCastleFR:
12120 if (appData.debugMode)
12121 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12122 fromX = currentMoveString[0] - AAA;
12123 fromY = currentMoveString[1] - ONE;
12124 toX = currentMoveString[2] - AAA;
12125 toY = currentMoveString[3] - ONE;
12126 promoChar = currentMoveString[4];
12127 if(promoChar == ';') promoChar = NULLCHAR;
12132 if (appData.debugMode)
12133 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12134 fromX = moveType == WhiteDrop ?
12135 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12136 (int) CharToPiece(ToLower(currentMoveString[0]));
12138 toX = currentMoveString[2] - AAA;
12139 toY = currentMoveString[3] - ONE;
12145 case GameUnfinished:
12146 if (appData.debugMode)
12147 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12148 p = strchr(yy_text, '{');
12149 if (p == NULL) p = strchr(yy_text, '(');
12152 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12154 q = strchr(p, *p == '{' ? '}' : ')');
12155 if (q != NULL) *q = NULLCHAR;
12158 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12159 GameEnds(moveType, p, GE_FILE);
12161 if (cmailMsgLoaded) {
12163 flipView = WhiteOnMove(currentMove);
12164 if (moveType == GameUnfinished) flipView = !flipView;
12165 if (appData.debugMode)
12166 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12171 if (appData.debugMode)
12172 fprintf(debugFP, "Parser hit end of file\n");
12173 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12179 if (WhiteOnMove(currentMove)) {
12180 GameEnds(BlackWins, "Black mates", GE_FILE);
12182 GameEnds(WhiteWins, "White mates", GE_FILE);
12186 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12192 case MoveNumberOne:
12193 if (lastLoadGameStart == GNUChessGame) {
12194 /* GNUChessGames have numbers, but they aren't move numbers */
12195 if (appData.debugMode)
12196 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12197 yy_text, (int) moveType);
12198 return LoadGameOneMove(EndOfFile); /* tail recursion */
12200 /* else fall thru */
12205 /* Reached start of next game in file */
12206 if (appData.debugMode)
12207 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12208 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12214 if (WhiteOnMove(currentMove)) {
12215 GameEnds(BlackWins, "Black mates", GE_FILE);
12217 GameEnds(WhiteWins, "White mates", GE_FILE);
12221 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12227 case PositionDiagram: /* should not happen; ignore */
12228 case ElapsedTime: /* ignore */
12229 case NAG: /* ignore */
12230 if (appData.debugMode)
12231 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12232 yy_text, (int) moveType);
12233 return LoadGameOneMove(EndOfFile); /* tail recursion */
12236 if (appData.testLegality) {
12237 if (appData.debugMode)
12238 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12239 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12240 (forwardMostMove / 2) + 1,
12241 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12242 DisplayError(move, 0);
12245 if (appData.debugMode)
12246 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12247 yy_text, currentMoveString);
12248 if(currentMoveString[1] == '@') {
12249 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12252 fromX = currentMoveString[0] - AAA;
12253 fromY = currentMoveString[1] - ONE;
12255 toX = currentMoveString[2] - AAA;
12256 toY = currentMoveString[3] - ONE;
12257 promoChar = currentMoveString[4];
12261 case AmbiguousMove:
12262 if (appData.debugMode)
12263 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12264 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12265 (forwardMostMove / 2) + 1,
12266 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12267 DisplayError(move, 0);
12272 case ImpossibleMove:
12273 if (appData.debugMode)
12274 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12275 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12276 (forwardMostMove / 2) + 1,
12277 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12278 DisplayError(move, 0);
12284 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12285 DrawPosition(FALSE, boards[currentMove]);
12286 DisplayBothClocks();
12287 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12288 DisplayComment(currentMove - 1, commentList[currentMove]);
12290 (void) StopLoadGameTimer();
12292 cmailOldMove = forwardMostMove;
12295 /* currentMoveString is set as a side-effect of yylex */
12297 thinkOutput[0] = NULLCHAR;
12298 MakeMove(fromX, fromY, toX, toY, promoChar);
12299 killX = killY = -1; // [HGM] lion: used up
12300 currentMove = forwardMostMove;
12305 /* Load the nth game from the given file */
12307 LoadGameFromFile (char *filename, int n, char *title, int useList)
12312 if (strcmp(filename, "-") == 0) {
12316 f = fopen(filename, "rb");
12318 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12319 DisplayError(buf, errno);
12323 if (fseek(f, 0, 0) == -1) {
12324 /* f is not seekable; probably a pipe */
12327 if (useList && n == 0) {
12328 int error = GameListBuild(f);
12330 DisplayError(_("Cannot build game list"), error);
12331 } else if (!ListEmpty(&gameList) &&
12332 ((ListGame *) gameList.tailPred)->number > 1) {
12333 GameListPopUp(f, title);
12340 return LoadGame(f, n, title, FALSE);
12345 MakeRegisteredMove ()
12347 int fromX, fromY, toX, toY;
12349 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12350 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12353 if (appData.debugMode)
12354 fprintf(debugFP, "Restoring %s for game %d\n",
12355 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12357 thinkOutput[0] = NULLCHAR;
12358 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12359 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12360 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12361 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12362 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12363 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12364 MakeMove(fromX, fromY, toX, toY, promoChar);
12365 ShowMove(fromX, fromY, toX, toY);
12367 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12374 if (WhiteOnMove(currentMove)) {
12375 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12377 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12382 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12389 if (WhiteOnMove(currentMove)) {
12390 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12392 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12397 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12408 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12410 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12414 if (gameNumber > nCmailGames) {
12415 DisplayError(_("No more games in this message"), 0);
12418 if (f == lastLoadGameFP) {
12419 int offset = gameNumber - lastLoadGameNumber;
12421 cmailMsg[0] = NULLCHAR;
12422 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12423 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12424 nCmailMovesRegistered--;
12426 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12427 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12428 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12431 if (! RegisterMove()) return FALSE;
12435 retVal = LoadGame(f, gameNumber, title, useList);
12437 /* Make move registered during previous look at this game, if any */
12438 MakeRegisteredMove();
12440 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12441 commentList[currentMove]
12442 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12443 DisplayComment(currentMove - 1, commentList[currentMove]);
12449 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12451 ReloadGame (int offset)
12453 int gameNumber = lastLoadGameNumber + offset;
12454 if (lastLoadGameFP == NULL) {
12455 DisplayError(_("No game has been loaded yet"), 0);
12458 if (gameNumber <= 0) {
12459 DisplayError(_("Can't back up any further"), 0);
12462 if (cmailMsgLoaded) {
12463 return CmailLoadGame(lastLoadGameFP, gameNumber,
12464 lastLoadGameTitle, lastLoadGameUseList);
12466 return LoadGame(lastLoadGameFP, gameNumber,
12467 lastLoadGameTitle, lastLoadGameUseList);
12471 int keys[EmptySquare+1];
12474 PositionMatches (Board b1, Board b2)
12477 switch(appData.searchMode) {
12478 case 1: return CompareWithRights(b1, b2);
12480 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12481 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12485 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12486 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12487 sum += keys[b1[r][f]] - keys[b2[r][f]];
12491 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12492 sum += keys[b1[r][f]] - keys[b2[r][f]];
12504 int pieceList[256], quickBoard[256];
12505 ChessSquare pieceType[256] = { EmptySquare };
12506 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12507 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12508 int soughtTotal, turn;
12509 Boolean epOK, flipSearch;
12512 unsigned char piece, to;
12515 #define DSIZE (250000)
12517 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12518 Move *moveDatabase = initialSpace;
12519 unsigned int movePtr, dataSize = DSIZE;
12522 MakePieceList (Board board, int *counts)
12524 int r, f, n=Q_PROMO, total=0;
12525 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12526 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12527 int sq = f + (r<<4);
12528 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12529 quickBoard[sq] = ++n;
12531 pieceType[n] = board[r][f];
12532 counts[board[r][f]]++;
12533 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12534 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12538 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12543 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12545 int sq = fromX + (fromY<<4);
12546 int piece = quickBoard[sq], rook;
12547 quickBoard[sq] = 0;
12548 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12549 if(piece == pieceList[1] && fromY == toY) {
12550 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12551 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12552 moveDatabase[movePtr++].piece = Q_WCASTL;
12553 quickBoard[sq] = piece;
12554 piece = quickBoard[from]; quickBoard[from] = 0;
12555 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12556 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12557 quickBoard[sq] = 0; // remove Rook
12558 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12559 moveDatabase[movePtr++].piece = Q_WCASTL;
12560 quickBoard[sq] = pieceList[1]; // put King
12562 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12565 if(piece == pieceList[2] && fromY == toY) {
12566 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12567 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12568 moveDatabase[movePtr++].piece = Q_BCASTL;
12569 quickBoard[sq] = piece;
12570 piece = quickBoard[from]; quickBoard[from] = 0;
12571 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12572 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12573 quickBoard[sq] = 0; // remove Rook
12574 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12575 moveDatabase[movePtr++].piece = Q_BCASTL;
12576 quickBoard[sq] = pieceList[2]; // put King
12578 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12581 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12582 quickBoard[(fromY<<4)+toX] = 0;
12583 moveDatabase[movePtr].piece = Q_EP;
12584 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12585 moveDatabase[movePtr].to = sq;
12587 if(promoPiece != pieceType[piece]) {
12588 moveDatabase[movePtr++].piece = Q_PROMO;
12589 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12591 moveDatabase[movePtr].piece = piece;
12592 quickBoard[sq] = piece;
12597 PackGame (Board board)
12599 Move *newSpace = NULL;
12600 moveDatabase[movePtr].piece = 0; // terminate previous game
12601 if(movePtr > dataSize) {
12602 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12603 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12604 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12607 Move *p = moveDatabase, *q = newSpace;
12608 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12609 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12610 moveDatabase = newSpace;
12611 } else { // calloc failed, we must be out of memory. Too bad...
12612 dataSize = 0; // prevent calloc events for all subsequent games
12613 return 0; // and signal this one isn't cached
12617 MakePieceList(board, counts);
12622 QuickCompare (Board board, int *minCounts, int *maxCounts)
12623 { // compare according to search mode
12625 switch(appData.searchMode)
12627 case 1: // exact position match
12628 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12629 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12630 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12633 case 2: // can have extra material on empty squares
12634 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12635 if(board[r][f] == EmptySquare) continue;
12636 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12639 case 3: // material with exact Pawn structure
12640 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12641 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12642 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12643 } // fall through to material comparison
12644 case 4: // exact material
12645 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12647 case 6: // material range with given imbalance
12648 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12649 // fall through to range comparison
12650 case 5: // material range
12651 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12657 QuickScan (Board board, Move *move)
12658 { // reconstruct game,and compare all positions in it
12659 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12661 int piece = move->piece;
12662 int to = move->to, from = pieceList[piece];
12663 if(found < 0) { // if already found just scan to game end for final piece count
12664 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12665 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12666 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12667 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12669 static int lastCounts[EmptySquare+1];
12671 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12672 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12673 } else stretch = 0;
12674 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12675 if(found >= 0 && !appData.minPieces) return found;
12677 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12678 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12679 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12680 piece = (++move)->piece;
12681 from = pieceList[piece];
12682 counts[pieceType[piece]]--;
12683 pieceType[piece] = (ChessSquare) move->to;
12684 counts[move->to]++;
12685 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12686 counts[pieceType[quickBoard[to]]]--;
12687 quickBoard[to] = 0; total--;
12690 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12691 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12692 from = pieceList[piece]; // so this must be King
12693 quickBoard[from] = 0;
12694 pieceList[piece] = to;
12695 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12696 quickBoard[from] = 0; // rook
12697 quickBoard[to] = piece;
12698 to = move->to; piece = move->piece;
12702 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12703 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12704 quickBoard[from] = 0;
12706 quickBoard[to] = piece;
12707 pieceList[piece] = to;
12717 flipSearch = FALSE;
12718 CopyBoard(soughtBoard, boards[currentMove]);
12719 soughtTotal = MakePieceList(soughtBoard, maxSought);
12720 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12721 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12722 CopyBoard(reverseBoard, boards[currentMove]);
12723 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12724 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12725 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12726 reverseBoard[r][f] = piece;
12728 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12729 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12730 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12731 || (boards[currentMove][CASTLING][2] == NoRights ||
12732 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12733 && (boards[currentMove][CASTLING][5] == NoRights ||
12734 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12737 CopyBoard(flipBoard, soughtBoard);
12738 CopyBoard(rotateBoard, reverseBoard);
12739 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12740 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12741 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12744 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12745 if(appData.searchMode >= 5) {
12746 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12747 MakePieceList(soughtBoard, minSought);
12748 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12750 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12751 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12754 GameInfo dummyInfo;
12755 static int creatingBook;
12758 GameContainsPosition (FILE *f, ListGame *lg)
12760 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12761 int fromX, fromY, toX, toY;
12763 static int initDone=FALSE;
12765 // weed out games based on numerical tag comparison
12766 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12767 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12768 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12769 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12771 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12774 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12775 else CopyBoard(boards[scratch], initialPosition); // default start position
12778 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12779 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12782 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12783 fseek(f, lg->offset, 0);
12786 yyboardindex = scratch;
12787 quickFlag = plyNr+1;
12792 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12798 if(plyNr) return -1; // after we have seen moves, this is for new game
12801 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12802 case ImpossibleMove:
12803 case WhiteWins: // game ends here with these four
12806 case GameUnfinished:
12810 if(appData.testLegality) return -1;
12811 case WhiteCapturesEnPassant:
12812 case BlackCapturesEnPassant:
12813 case WhitePromotion:
12814 case BlackPromotion:
12815 case WhiteNonPromotion:
12816 case BlackNonPromotion:
12819 case WhiteKingSideCastle:
12820 case WhiteQueenSideCastle:
12821 case BlackKingSideCastle:
12822 case BlackQueenSideCastle:
12823 case WhiteKingSideCastleWild:
12824 case WhiteQueenSideCastleWild:
12825 case BlackKingSideCastleWild:
12826 case BlackQueenSideCastleWild:
12827 case WhiteHSideCastleFR:
12828 case WhiteASideCastleFR:
12829 case BlackHSideCastleFR:
12830 case BlackASideCastleFR:
12831 fromX = currentMoveString[0] - AAA;
12832 fromY = currentMoveString[1] - ONE;
12833 toX = currentMoveString[2] - AAA;
12834 toY = currentMoveString[3] - ONE;
12835 promoChar = currentMoveString[4];
12839 fromX = next == WhiteDrop ?
12840 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12841 (int) CharToPiece(ToLower(currentMoveString[0]));
12843 toX = currentMoveString[2] - AAA;
12844 toY = currentMoveString[3] - ONE;
12848 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12850 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12851 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12852 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12853 if(appData.findMirror) {
12854 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12855 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12860 /* Load the nth game from open file f */
12862 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12866 int gn = gameNumber;
12867 ListGame *lg = NULL;
12868 int numPGNTags = 0;
12870 GameMode oldGameMode;
12871 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12872 char oldName[MSG_SIZ];
12874 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12876 if (appData.debugMode)
12877 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12879 if (gameMode == Training )
12880 SetTrainingModeOff();
12882 oldGameMode = gameMode;
12883 if (gameMode != BeginningOfGame) {
12884 Reset(FALSE, TRUE);
12886 killX = killY = -1; // [HGM] lion: in case we did not Reset
12889 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12890 fclose(lastLoadGameFP);
12894 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12897 fseek(f, lg->offset, 0);
12898 GameListHighlight(gameNumber);
12899 pos = lg->position;
12903 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12904 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12906 DisplayError(_("Game number out of range"), 0);
12911 if (fseek(f, 0, 0) == -1) {
12912 if (f == lastLoadGameFP ?
12913 gameNumber == lastLoadGameNumber + 1 :
12917 DisplayError(_("Can't seek on game file"), 0);
12922 lastLoadGameFP = f;
12923 lastLoadGameNumber = gameNumber;
12924 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12925 lastLoadGameUseList = useList;
12929 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12930 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12931 lg->gameInfo.black);
12933 } else if (*title != NULLCHAR) {
12934 if (gameNumber > 1) {
12935 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12938 DisplayTitle(title);
12942 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12943 gameMode = PlayFromGameFile;
12947 currentMove = forwardMostMove = backwardMostMove = 0;
12948 CopyBoard(boards[0], initialPosition);
12952 * Skip the first gn-1 games in the file.
12953 * Also skip over anything that precedes an identifiable
12954 * start of game marker, to avoid being confused by
12955 * garbage at the start of the file. Currently
12956 * recognized start of game markers are the move number "1",
12957 * the pattern "gnuchess .* game", the pattern
12958 * "^[#;%] [^ ]* game file", and a PGN tag block.
12959 * A game that starts with one of the latter two patterns
12960 * will also have a move number 1, possibly
12961 * following a position diagram.
12962 * 5-4-02: Let's try being more lenient and allowing a game to
12963 * start with an unnumbered move. Does that break anything?
12965 cm = lastLoadGameStart = EndOfFile;
12967 yyboardindex = forwardMostMove;
12968 cm = (ChessMove) Myylex();
12971 if (cmailMsgLoaded) {
12972 nCmailGames = CMAIL_MAX_GAMES - gn;
12975 DisplayError(_("Game not found in file"), 0);
12982 lastLoadGameStart = cm;
12985 case MoveNumberOne:
12986 switch (lastLoadGameStart) {
12991 case MoveNumberOne:
12993 gn--; /* count this game */
12994 lastLoadGameStart = cm;
13003 switch (lastLoadGameStart) {
13006 case MoveNumberOne:
13008 gn--; /* count this game */
13009 lastLoadGameStart = cm;
13012 lastLoadGameStart = cm; /* game counted already */
13020 yyboardindex = forwardMostMove;
13021 cm = (ChessMove) Myylex();
13022 } while (cm == PGNTag || cm == Comment);
13029 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13030 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13031 != CMAIL_OLD_RESULT) {
13033 cmailResult[ CMAIL_MAX_GAMES
13034 - gn - 1] = CMAIL_OLD_RESULT;
13041 /* Only a NormalMove can be at the start of a game
13042 * without a position diagram. */
13043 if (lastLoadGameStart == EndOfFile ) {
13045 lastLoadGameStart = MoveNumberOne;
13054 if (appData.debugMode)
13055 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13057 if (cm == XBoardGame) {
13058 /* Skip any header junk before position diagram and/or move 1 */
13060 yyboardindex = forwardMostMove;
13061 cm = (ChessMove) Myylex();
13063 if (cm == EndOfFile ||
13064 cm == GNUChessGame || cm == XBoardGame) {
13065 /* Empty game; pretend end-of-file and handle later */
13070 if (cm == MoveNumberOne || cm == PositionDiagram ||
13071 cm == PGNTag || cm == Comment)
13074 } else if (cm == GNUChessGame) {
13075 if (gameInfo.event != NULL) {
13076 free(gameInfo.event);
13078 gameInfo.event = StrSave(yy_text);
13081 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13082 while (cm == PGNTag) {
13083 if (appData.debugMode)
13084 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13085 err = ParsePGNTag(yy_text, &gameInfo);
13086 if (!err) numPGNTags++;
13088 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13089 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13090 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13091 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13092 InitPosition(TRUE);
13093 oldVariant = gameInfo.variant;
13094 if (appData.debugMode)
13095 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13099 if (gameInfo.fen != NULL) {
13100 Board initial_position;
13101 startedFromSetupPosition = TRUE;
13102 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13104 DisplayError(_("Bad FEN position in file"), 0);
13107 CopyBoard(boards[0], initial_position);
13108 if(*engineVariant) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13109 CopyBoard(initialPosition, initial_position);
13110 if (blackPlaysFirst) {
13111 currentMove = forwardMostMove = backwardMostMove = 1;
13112 CopyBoard(boards[1], initial_position);
13113 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13114 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13115 timeRemaining[0][1] = whiteTimeRemaining;
13116 timeRemaining[1][1] = blackTimeRemaining;
13117 if (commentList[0] != NULL) {
13118 commentList[1] = commentList[0];
13119 commentList[0] = NULL;
13122 currentMove = forwardMostMove = backwardMostMove = 0;
13124 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13126 initialRulePlies = FENrulePlies;
13127 for( i=0; i< nrCastlingRights; i++ )
13128 initialRights[i] = initial_position[CASTLING][i];
13130 yyboardindex = forwardMostMove;
13131 free(gameInfo.fen);
13132 gameInfo.fen = NULL;
13135 yyboardindex = forwardMostMove;
13136 cm = (ChessMove) Myylex();
13138 /* Handle comments interspersed among the tags */
13139 while (cm == Comment) {
13141 if (appData.debugMode)
13142 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13144 AppendComment(currentMove, p, FALSE);
13145 yyboardindex = forwardMostMove;
13146 cm = (ChessMove) Myylex();
13150 /* don't rely on existence of Event tag since if game was
13151 * pasted from clipboard the Event tag may not exist
13153 if (numPGNTags > 0){
13155 if (gameInfo.variant == VariantNormal) {
13156 VariantClass v = StringToVariant(gameInfo.event);
13157 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13158 if(v < VariantShogi) gameInfo.variant = v;
13161 if( appData.autoDisplayTags ) {
13162 tags = PGNTags(&gameInfo);
13163 TagsPopUp(tags, CmailMsg());
13168 /* Make something up, but don't display it now */
13173 if (cm == PositionDiagram) {
13176 Board initial_position;
13178 if (appData.debugMode)
13179 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13181 if (!startedFromSetupPosition) {
13183 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13184 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13195 initial_position[i][j++] = CharToPiece(*p);
13198 while (*p == ' ' || *p == '\t' ||
13199 *p == '\n' || *p == '\r') p++;
13201 if (strncmp(p, "black", strlen("black"))==0)
13202 blackPlaysFirst = TRUE;
13204 blackPlaysFirst = FALSE;
13205 startedFromSetupPosition = TRUE;
13207 CopyBoard(boards[0], initial_position);
13208 if (blackPlaysFirst) {
13209 currentMove = forwardMostMove = backwardMostMove = 1;
13210 CopyBoard(boards[1], initial_position);
13211 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13212 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13213 timeRemaining[0][1] = whiteTimeRemaining;
13214 timeRemaining[1][1] = blackTimeRemaining;
13215 if (commentList[0] != NULL) {
13216 commentList[1] = commentList[0];
13217 commentList[0] = NULL;
13220 currentMove = forwardMostMove = backwardMostMove = 0;
13223 yyboardindex = forwardMostMove;
13224 cm = (ChessMove) Myylex();
13227 if(!creatingBook) {
13228 if (first.pr == NoProc) {
13229 StartChessProgram(&first);
13231 InitChessProgram(&first, FALSE);
13232 if(gameInfo.variant == VariantUnknown && *oldName) {
13233 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13234 gameInfo.variant = v;
13236 SendToProgram("force\n", &first);
13237 if (startedFromSetupPosition) {
13238 SendBoard(&first, forwardMostMove);
13239 if (appData.debugMode) {
13240 fprintf(debugFP, "Load Game\n");
13242 DisplayBothClocks();
13246 /* [HGM] server: flag to write setup moves in broadcast file as one */
13247 loadFlag = appData.suppressLoadMoves;
13249 while (cm == Comment) {
13251 if (appData.debugMode)
13252 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13254 AppendComment(currentMove, p, FALSE);
13255 yyboardindex = forwardMostMove;
13256 cm = (ChessMove) Myylex();
13259 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13260 cm == WhiteWins || cm == BlackWins ||
13261 cm == GameIsDrawn || cm == GameUnfinished) {
13262 DisplayMessage("", _("No moves in game"));
13263 if (cmailMsgLoaded) {
13264 if (appData.debugMode)
13265 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13269 DrawPosition(FALSE, boards[currentMove]);
13270 DisplayBothClocks();
13271 gameMode = EditGame;
13278 // [HGM] PV info: routine tests if comment empty
13279 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13280 DisplayComment(currentMove - 1, commentList[currentMove]);
13282 if (!matchMode && appData.timeDelay != 0)
13283 DrawPosition(FALSE, boards[currentMove]);
13285 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13286 programStats.ok_to_send = 1;
13289 /* if the first token after the PGN tags is a move
13290 * and not move number 1, retrieve it from the parser
13292 if (cm != MoveNumberOne)
13293 LoadGameOneMove(cm);
13295 /* load the remaining moves from the file */
13296 while (LoadGameOneMove(EndOfFile)) {
13297 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13298 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13301 /* rewind to the start of the game */
13302 currentMove = backwardMostMove;
13304 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13306 if (oldGameMode == AnalyzeFile) {
13307 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13308 AnalyzeFileEvent();
13310 if (oldGameMode == AnalyzeMode) {
13311 AnalyzeFileEvent();
13314 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13315 long int w, b; // [HGM] adjourn: restore saved clock times
13316 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13317 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13318 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13319 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13323 if(creatingBook) return TRUE;
13324 if (!matchMode && pos > 0) {
13325 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13327 if (matchMode || appData.timeDelay == 0) {
13329 } else if (appData.timeDelay > 0) {
13330 AutoPlayGameLoop();
13333 if (appData.debugMode)
13334 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13336 loadFlag = 0; /* [HGM] true game starts */
13340 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13342 ReloadPosition (int offset)
13344 int positionNumber = lastLoadPositionNumber + offset;
13345 if (lastLoadPositionFP == NULL) {
13346 DisplayError(_("No position has been loaded yet"), 0);
13349 if (positionNumber <= 0) {
13350 DisplayError(_("Can't back up any further"), 0);
13353 return LoadPosition(lastLoadPositionFP, positionNumber,
13354 lastLoadPositionTitle);
13357 /* Load the nth position from the given file */
13359 LoadPositionFromFile (char *filename, int n, char *title)
13364 if (strcmp(filename, "-") == 0) {
13365 return LoadPosition(stdin, n, "stdin");
13367 f = fopen(filename, "rb");
13369 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13370 DisplayError(buf, errno);
13373 return LoadPosition(f, n, title);
13378 /* Load the nth position from the given open file, and close it */
13380 LoadPosition (FILE *f, int positionNumber, char *title)
13382 char *p, line[MSG_SIZ];
13383 Board initial_position;
13384 int i, j, fenMode, pn;
13386 if (gameMode == Training )
13387 SetTrainingModeOff();
13389 if (gameMode != BeginningOfGame) {
13390 Reset(FALSE, TRUE);
13392 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13393 fclose(lastLoadPositionFP);
13395 if (positionNumber == 0) positionNumber = 1;
13396 lastLoadPositionFP = f;
13397 lastLoadPositionNumber = positionNumber;
13398 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13399 if (first.pr == NoProc && !appData.noChessProgram) {
13400 StartChessProgram(&first);
13401 InitChessProgram(&first, FALSE);
13403 pn = positionNumber;
13404 if (positionNumber < 0) {
13405 /* Negative position number means to seek to that byte offset */
13406 if (fseek(f, -positionNumber, 0) == -1) {
13407 DisplayError(_("Can't seek on position file"), 0);
13412 if (fseek(f, 0, 0) == -1) {
13413 if (f == lastLoadPositionFP ?
13414 positionNumber == lastLoadPositionNumber + 1 :
13415 positionNumber == 1) {
13418 DisplayError(_("Can't seek on position file"), 0);
13423 /* See if this file is FEN or old-style xboard */
13424 if (fgets(line, MSG_SIZ, f) == NULL) {
13425 DisplayError(_("Position not found in file"), 0);
13428 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13429 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13432 if (fenMode || line[0] == '#') pn--;
13434 /* skip positions before number pn */
13435 if (fgets(line, MSG_SIZ, f) == NULL) {
13437 DisplayError(_("Position not found in file"), 0);
13440 if (fenMode || line[0] == '#') pn--;
13446 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13447 DisplayError(_("Bad FEN position in file"), 0);
13450 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13451 sscanf(p+3, "%s", bestMove);
13452 } else *bestMove = NULLCHAR;
13454 (void) fgets(line, MSG_SIZ, f);
13455 (void) fgets(line, MSG_SIZ, f);
13457 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13458 (void) fgets(line, MSG_SIZ, f);
13459 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13462 initial_position[i][j++] = CharToPiece(*p);
13466 blackPlaysFirst = FALSE;
13468 (void) fgets(line, MSG_SIZ, f);
13469 if (strncmp(line, "black", strlen("black"))==0)
13470 blackPlaysFirst = TRUE;
13473 startedFromSetupPosition = TRUE;
13475 CopyBoard(boards[0], initial_position);
13476 if (blackPlaysFirst) {
13477 currentMove = forwardMostMove = backwardMostMove = 1;
13478 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13479 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13480 CopyBoard(boards[1], initial_position);
13481 DisplayMessage("", _("Black to play"));
13483 currentMove = forwardMostMove = backwardMostMove = 0;
13484 DisplayMessage("", _("White to play"));
13486 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13487 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13488 SendToProgram("force\n", &first);
13489 SendBoard(&first, forwardMostMove);
13491 if (appData.debugMode) {
13493 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13494 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13495 fprintf(debugFP, "Load Position\n");
13498 if (positionNumber > 1) {
13499 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13500 DisplayTitle(line);
13502 DisplayTitle(title);
13504 gameMode = EditGame;
13507 timeRemaining[0][1] = whiteTimeRemaining;
13508 timeRemaining[1][1] = blackTimeRemaining;
13509 DrawPosition(FALSE, boards[currentMove]);
13516 CopyPlayerNameIntoFileName (char **dest, char *src)
13518 while (*src != NULLCHAR && *src != ',') {
13523 *(*dest)++ = *src++;
13529 DefaultFileName (char *ext)
13531 static char def[MSG_SIZ];
13534 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13536 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13538 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13540 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13547 /* Save the current game to the given file */
13549 SaveGameToFile (char *filename, int append)
13553 int result, i, t,tot=0;
13555 if (strcmp(filename, "-") == 0) {
13556 return SaveGame(stdout, 0, NULL);
13558 for(i=0; i<10; i++) { // upto 10 tries
13559 f = fopen(filename, append ? "a" : "w");
13560 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13561 if(f || errno != 13) break;
13562 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13566 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13567 DisplayError(buf, errno);
13570 safeStrCpy(buf, lastMsg, MSG_SIZ);
13571 DisplayMessage(_("Waiting for access to save file"), "");
13572 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13573 DisplayMessage(_("Saving game"), "");
13574 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13575 result = SaveGame(f, 0, NULL);
13576 DisplayMessage(buf, "");
13583 SavePart (char *str)
13585 static char buf[MSG_SIZ];
13588 p = strchr(str, ' ');
13589 if (p == NULL) return str;
13590 strncpy(buf, str, p - str);
13591 buf[p - str] = NULLCHAR;
13595 #define PGN_MAX_LINE 75
13597 #define PGN_SIDE_WHITE 0
13598 #define PGN_SIDE_BLACK 1
13601 FindFirstMoveOutOfBook (int side)
13605 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13606 int index = backwardMostMove;
13607 int has_book_hit = 0;
13609 if( (index % 2) != side ) {
13613 while( index < forwardMostMove ) {
13614 /* Check to see if engine is in book */
13615 int depth = pvInfoList[index].depth;
13616 int score = pvInfoList[index].score;
13622 else if( score == 0 && depth == 63 ) {
13623 in_book = 1; /* Zappa */
13625 else if( score == 2 && depth == 99 ) {
13626 in_book = 1; /* Abrok */
13629 has_book_hit += in_book;
13645 GetOutOfBookInfo (char * buf)
13649 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13651 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13652 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13656 if( oob[0] >= 0 || oob[1] >= 0 ) {
13657 for( i=0; i<2; i++ ) {
13661 if( i > 0 && oob[0] >= 0 ) {
13662 strcat( buf, " " );
13665 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13666 sprintf( buf+strlen(buf), "%s%.2f",
13667 pvInfoList[idx].score >= 0 ? "+" : "",
13668 pvInfoList[idx].score / 100.0 );
13674 /* Save game in PGN style */
13676 SaveGamePGN2 (FILE *f)
13678 int i, offset, linelen, newblock;
13681 int movelen, numlen, blank;
13682 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13684 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13686 PrintPGNTags(f, &gameInfo);
13688 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13690 if (backwardMostMove > 0 || startedFromSetupPosition) {
13691 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13692 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13693 fprintf(f, "\n{--------------\n");
13694 PrintPosition(f, backwardMostMove);
13695 fprintf(f, "--------------}\n");
13699 /* [AS] Out of book annotation */
13700 if( appData.saveOutOfBookInfo ) {
13703 GetOutOfBookInfo( buf );
13705 if( buf[0] != '\0' ) {
13706 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13713 i = backwardMostMove;
13717 while (i < forwardMostMove) {
13718 /* Print comments preceding this move */
13719 if (commentList[i] != NULL) {
13720 if (linelen > 0) fprintf(f, "\n");
13721 fprintf(f, "%s", commentList[i]);
13726 /* Format move number */
13728 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13731 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13733 numtext[0] = NULLCHAR;
13735 numlen = strlen(numtext);
13738 /* Print move number */
13739 blank = linelen > 0 && numlen > 0;
13740 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13749 fprintf(f, "%s", numtext);
13753 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13754 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13757 blank = linelen > 0 && movelen > 0;
13758 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13767 fprintf(f, "%s", move_buffer);
13768 linelen += movelen;
13770 /* [AS] Add PV info if present */
13771 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13772 /* [HGM] add time */
13773 char buf[MSG_SIZ]; int seconds;
13775 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13781 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13784 seconds = (seconds + 4)/10; // round to full seconds
13786 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13788 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13791 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13792 pvInfoList[i].score >= 0 ? "+" : "",
13793 pvInfoList[i].score / 100.0,
13794 pvInfoList[i].depth,
13797 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13799 /* Print score/depth */
13800 blank = linelen > 0 && movelen > 0;
13801 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13810 fprintf(f, "%s", move_buffer);
13811 linelen += movelen;
13817 /* Start a new line */
13818 if (linelen > 0) fprintf(f, "\n");
13820 /* Print comments after last move */
13821 if (commentList[i] != NULL) {
13822 fprintf(f, "%s\n", commentList[i]);
13826 if (gameInfo.resultDetails != NULL &&
13827 gameInfo.resultDetails[0] != NULLCHAR) {
13828 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13829 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13830 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13831 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13832 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13834 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13838 /* Save game in PGN style and close the file */
13840 SaveGamePGN (FILE *f)
13844 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13848 /* Save game in old style and close the file */
13850 SaveGameOldStyle (FILE *f)
13855 tm = time((time_t *) NULL);
13857 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13860 if (backwardMostMove > 0 || startedFromSetupPosition) {
13861 fprintf(f, "\n[--------------\n");
13862 PrintPosition(f, backwardMostMove);
13863 fprintf(f, "--------------]\n");
13868 i = backwardMostMove;
13869 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13871 while (i < forwardMostMove) {
13872 if (commentList[i] != NULL) {
13873 fprintf(f, "[%s]\n", commentList[i]);
13876 if ((i % 2) == 1) {
13877 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13880 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13882 if (commentList[i] != NULL) {
13886 if (i >= forwardMostMove) {
13890 fprintf(f, "%s\n", parseList[i]);
13895 if (commentList[i] != NULL) {
13896 fprintf(f, "[%s]\n", commentList[i]);
13899 /* This isn't really the old style, but it's close enough */
13900 if (gameInfo.resultDetails != NULL &&
13901 gameInfo.resultDetails[0] != NULLCHAR) {
13902 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13903 gameInfo.resultDetails);
13905 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13912 /* Save the current game to open file f and close the file */
13914 SaveGame (FILE *f, int dummy, char *dummy2)
13916 if (gameMode == EditPosition) EditPositionDone(TRUE);
13917 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13918 if (appData.oldSaveStyle)
13919 return SaveGameOldStyle(f);
13921 return SaveGamePGN(f);
13924 /* Save the current position to the given file */
13926 SavePositionToFile (char *filename)
13931 if (strcmp(filename, "-") == 0) {
13932 return SavePosition(stdout, 0, NULL);
13934 f = fopen(filename, "a");
13936 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13937 DisplayError(buf, errno);
13940 safeStrCpy(buf, lastMsg, MSG_SIZ);
13941 DisplayMessage(_("Waiting for access to save file"), "");
13942 flock(fileno(f), LOCK_EX); // [HGM] lock
13943 DisplayMessage(_("Saving position"), "");
13944 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13945 SavePosition(f, 0, NULL);
13946 DisplayMessage(buf, "");
13952 /* Save the current position to the given open file and close the file */
13954 SavePosition (FILE *f, int dummy, char *dummy2)
13959 if (gameMode == EditPosition) EditPositionDone(TRUE);
13960 if (appData.oldSaveStyle) {
13961 tm = time((time_t *) NULL);
13963 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13965 fprintf(f, "[--------------\n");
13966 PrintPosition(f, currentMove);
13967 fprintf(f, "--------------]\n");
13969 fen = PositionToFEN(currentMove, NULL, 1);
13970 fprintf(f, "%s\n", fen);
13978 ReloadCmailMsgEvent (int unregister)
13981 static char *inFilename = NULL;
13982 static char *outFilename;
13984 struct stat inbuf, outbuf;
13987 /* Any registered moves are unregistered if unregister is set, */
13988 /* i.e. invoked by the signal handler */
13990 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13991 cmailMoveRegistered[i] = FALSE;
13992 if (cmailCommentList[i] != NULL) {
13993 free(cmailCommentList[i]);
13994 cmailCommentList[i] = NULL;
13997 nCmailMovesRegistered = 0;
14000 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14001 cmailResult[i] = CMAIL_NOT_RESULT;
14005 if (inFilename == NULL) {
14006 /* Because the filenames are static they only get malloced once */
14007 /* and they never get freed */
14008 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14009 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14011 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14012 sprintf(outFilename, "%s.out", appData.cmailGameName);
14015 status = stat(outFilename, &outbuf);
14017 cmailMailedMove = FALSE;
14019 status = stat(inFilename, &inbuf);
14020 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14023 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14024 counts the games, notes how each one terminated, etc.
14026 It would be nice to remove this kludge and instead gather all
14027 the information while building the game list. (And to keep it
14028 in the game list nodes instead of having a bunch of fixed-size
14029 parallel arrays.) Note this will require getting each game's
14030 termination from the PGN tags, as the game list builder does
14031 not process the game moves. --mann
14033 cmailMsgLoaded = TRUE;
14034 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14036 /* Load first game in the file or popup game menu */
14037 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14039 #endif /* !WIN32 */
14047 char string[MSG_SIZ];
14049 if ( cmailMailedMove
14050 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14051 return TRUE; /* Allow free viewing */
14054 /* Unregister move to ensure that we don't leave RegisterMove */
14055 /* with the move registered when the conditions for registering no */
14057 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14058 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14059 nCmailMovesRegistered --;
14061 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14063 free(cmailCommentList[lastLoadGameNumber - 1]);
14064 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14068 if (cmailOldMove == -1) {
14069 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14073 if (currentMove > cmailOldMove + 1) {
14074 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14078 if (currentMove < cmailOldMove) {
14079 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14083 if (forwardMostMove > currentMove) {
14084 /* Silently truncate extra moves */
14088 if ( (currentMove == cmailOldMove + 1)
14089 || ( (currentMove == cmailOldMove)
14090 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14091 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14092 if (gameInfo.result != GameUnfinished) {
14093 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14096 if (commentList[currentMove] != NULL) {
14097 cmailCommentList[lastLoadGameNumber - 1]
14098 = StrSave(commentList[currentMove]);
14100 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14102 if (appData.debugMode)
14103 fprintf(debugFP, "Saving %s for game %d\n",
14104 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14106 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14108 f = fopen(string, "w");
14109 if (appData.oldSaveStyle) {
14110 SaveGameOldStyle(f); /* also closes the file */
14112 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14113 f = fopen(string, "w");
14114 SavePosition(f, 0, NULL); /* also closes the file */
14116 fprintf(f, "{--------------\n");
14117 PrintPosition(f, currentMove);
14118 fprintf(f, "--------------}\n\n");
14120 SaveGame(f, 0, NULL); /* also closes the file*/
14123 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14124 nCmailMovesRegistered ++;
14125 } else if (nCmailGames == 1) {
14126 DisplayError(_("You have not made a move yet"), 0);
14137 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14138 FILE *commandOutput;
14139 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14140 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14146 if (! cmailMsgLoaded) {
14147 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14151 if (nCmailGames == nCmailResults) {
14152 DisplayError(_("No unfinished games"), 0);
14156 #if CMAIL_PROHIBIT_REMAIL
14157 if (cmailMailedMove) {
14158 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);
14159 DisplayError(msg, 0);
14164 if (! (cmailMailedMove || RegisterMove())) return;
14166 if ( cmailMailedMove
14167 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14168 snprintf(string, MSG_SIZ, partCommandString,
14169 appData.debugMode ? " -v" : "", appData.cmailGameName);
14170 commandOutput = popen(string, "r");
14172 if (commandOutput == NULL) {
14173 DisplayError(_("Failed to invoke cmail"), 0);
14175 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14176 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14178 if (nBuffers > 1) {
14179 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14180 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14181 nBytes = MSG_SIZ - 1;
14183 (void) memcpy(msg, buffer, nBytes);
14185 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14187 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14188 cmailMailedMove = TRUE; /* Prevent >1 moves */
14191 for (i = 0; i < nCmailGames; i ++) {
14192 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14197 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14199 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14201 appData.cmailGameName,
14203 LoadGameFromFile(buffer, 1, buffer, FALSE);
14204 cmailMsgLoaded = FALSE;
14208 DisplayInformation(msg);
14209 pclose(commandOutput);
14212 if ((*cmailMsg) != '\0') {
14213 DisplayInformation(cmailMsg);
14218 #endif /* !WIN32 */
14227 int prependComma = 0;
14229 char string[MSG_SIZ]; /* Space for game-list */
14232 if (!cmailMsgLoaded) return "";
14234 if (cmailMailedMove) {
14235 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14237 /* Create a list of games left */
14238 snprintf(string, MSG_SIZ, "[");
14239 for (i = 0; i < nCmailGames; i ++) {
14240 if (! ( cmailMoveRegistered[i]
14241 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14242 if (prependComma) {
14243 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14245 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14249 strcat(string, number);
14252 strcat(string, "]");
14254 if (nCmailMovesRegistered + nCmailResults == 0) {
14255 switch (nCmailGames) {
14257 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14261 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14265 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14270 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14272 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14277 if (nCmailResults == nCmailGames) {
14278 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14280 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14285 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14297 if (gameMode == Training)
14298 SetTrainingModeOff();
14301 cmailMsgLoaded = FALSE;
14302 if (appData.icsActive) {
14303 SendToICS(ics_prefix);
14304 SendToICS("refresh\n");
14309 ExitEvent (int status)
14313 /* Give up on clean exit */
14317 /* Keep trying for clean exit */
14321 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14322 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14324 if (telnetISR != NULL) {
14325 RemoveInputSource(telnetISR);
14327 if (icsPR != NoProc) {
14328 DestroyChildProcess(icsPR, TRUE);
14331 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14332 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14334 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14335 /* make sure this other one finishes before killing it! */
14336 if(endingGame) { int count = 0;
14337 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14338 while(endingGame && count++ < 10) DoSleep(1);
14339 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14342 /* Kill off chess programs */
14343 if (first.pr != NoProc) {
14346 DoSleep( appData.delayBeforeQuit );
14347 SendToProgram("quit\n", &first);
14348 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14350 if (second.pr != NoProc) {
14351 DoSleep( appData.delayBeforeQuit );
14352 SendToProgram("quit\n", &second);
14353 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14355 if (first.isr != NULL) {
14356 RemoveInputSource(first.isr);
14358 if (second.isr != NULL) {
14359 RemoveInputSource(second.isr);
14362 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14363 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14365 ShutDownFrontEnd();
14370 PauseEngine (ChessProgramState *cps)
14372 SendToProgram("pause\n", cps);
14377 UnPauseEngine (ChessProgramState *cps)
14379 SendToProgram("resume\n", cps);
14386 if (appData.debugMode)
14387 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14391 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14393 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14394 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14395 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14397 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14398 HandleMachineMove(stashedInputMove, stalledEngine);
14399 stalledEngine = NULL;
14402 if (gameMode == MachinePlaysWhite ||
14403 gameMode == TwoMachinesPlay ||
14404 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14405 if(first.pause) UnPauseEngine(&first);
14406 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14407 if(second.pause) UnPauseEngine(&second);
14408 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14411 DisplayBothClocks();
14413 if (gameMode == PlayFromGameFile) {
14414 if (appData.timeDelay >= 0)
14415 AutoPlayGameLoop();
14416 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14417 Reset(FALSE, TRUE);
14418 SendToICS(ics_prefix);
14419 SendToICS("refresh\n");
14420 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14421 ForwardInner(forwardMostMove);
14423 pauseExamInvalid = FALSE;
14425 switch (gameMode) {
14429 pauseExamForwardMostMove = forwardMostMove;
14430 pauseExamInvalid = FALSE;
14433 case IcsPlayingWhite:
14434 case IcsPlayingBlack:
14438 case PlayFromGameFile:
14439 (void) StopLoadGameTimer();
14443 case BeginningOfGame:
14444 if (appData.icsActive) return;
14445 /* else fall through */
14446 case MachinePlaysWhite:
14447 case MachinePlaysBlack:
14448 case TwoMachinesPlay:
14449 if (forwardMostMove == 0)
14450 return; /* don't pause if no one has moved */
14451 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14452 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14453 if(onMove->pause) { // thinking engine can be paused
14454 PauseEngine(onMove); // do it
14455 if(onMove->other->pause) // pondering opponent can always be paused immediately
14456 PauseEngine(onMove->other);
14458 SendToProgram("easy\n", onMove->other);
14460 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14461 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14463 PauseEngine(&first);
14465 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14466 } else { // human on move, pause pondering by either method
14468 PauseEngine(&first);
14469 else if(appData.ponderNextMove)
14470 SendToProgram("easy\n", &first);
14473 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14483 EditCommentEvent ()
14485 char title[MSG_SIZ];
14487 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14488 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14490 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14491 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14492 parseList[currentMove - 1]);
14495 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14502 char *tags = PGNTags(&gameInfo);
14504 EditTagsPopUp(tags, NULL);
14511 if(second.analyzing) {
14512 SendToProgram("exit\n", &second);
14513 second.analyzing = FALSE;
14515 if (second.pr == NoProc) StartChessProgram(&second);
14516 InitChessProgram(&second, FALSE);
14517 FeedMovesToProgram(&second, currentMove);
14519 SendToProgram("analyze\n", &second);
14520 second.analyzing = TRUE;
14524 /* Toggle ShowThinking */
14526 ToggleShowThinking()
14528 appData.showThinking = !appData.showThinking;
14529 ShowThinkingEvent();
14533 AnalyzeModeEvent ()
14537 if (!first.analysisSupport) {
14538 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14539 DisplayError(buf, 0);
14542 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14543 if (appData.icsActive) {
14544 if (gameMode != IcsObserving) {
14545 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14546 DisplayError(buf, 0);
14548 if (appData.icsEngineAnalyze) {
14549 if (appData.debugMode)
14550 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14556 /* if enable, user wants to disable icsEngineAnalyze */
14557 if (appData.icsEngineAnalyze) {
14562 appData.icsEngineAnalyze = TRUE;
14563 if (appData.debugMode)
14564 fprintf(debugFP, "ICS engine analyze starting... \n");
14567 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14568 if (appData.noChessProgram || gameMode == AnalyzeMode)
14571 if (gameMode != AnalyzeFile) {
14572 if (!appData.icsEngineAnalyze) {
14574 if (gameMode != EditGame) return 0;
14576 if (!appData.showThinking) ToggleShowThinking();
14577 ResurrectChessProgram();
14578 SendToProgram("analyze\n", &first);
14579 first.analyzing = TRUE;
14580 /*first.maybeThinking = TRUE;*/
14581 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14582 EngineOutputPopUp();
14584 if (!appData.icsEngineAnalyze) {
14585 gameMode = AnalyzeMode;
14586 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14592 StartAnalysisClock();
14593 GetTimeMark(&lastNodeCountTime);
14599 AnalyzeFileEvent ()
14601 if (appData.noChessProgram || gameMode == AnalyzeFile)
14604 if (!first.analysisSupport) {
14606 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14607 DisplayError(buf, 0);
14611 if (gameMode != AnalyzeMode) {
14612 keepInfo = 1; // mere annotating should not alter PGN tags
14615 if (gameMode != EditGame) return;
14616 if (!appData.showThinking) ToggleShowThinking();
14617 ResurrectChessProgram();
14618 SendToProgram("analyze\n", &first);
14619 first.analyzing = TRUE;
14620 /*first.maybeThinking = TRUE;*/
14621 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14622 EngineOutputPopUp();
14624 gameMode = AnalyzeFile;
14628 StartAnalysisClock();
14629 GetTimeMark(&lastNodeCountTime);
14631 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14632 AnalysisPeriodicEvent(1);
14636 MachineWhiteEvent ()
14639 char *bookHit = NULL;
14641 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14645 if (gameMode == PlayFromGameFile ||
14646 gameMode == TwoMachinesPlay ||
14647 gameMode == Training ||
14648 gameMode == AnalyzeMode ||
14649 gameMode == EndOfGame)
14652 if (gameMode == EditPosition)
14653 EditPositionDone(TRUE);
14655 if (!WhiteOnMove(currentMove)) {
14656 DisplayError(_("It is not White's turn"), 0);
14660 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14663 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14664 gameMode == AnalyzeFile)
14667 ResurrectChessProgram(); /* in case it isn't running */
14668 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14669 gameMode = MachinePlaysWhite;
14672 gameMode = MachinePlaysWhite;
14676 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14678 if (first.sendName) {
14679 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14680 SendToProgram(buf, &first);
14682 if (first.sendTime) {
14683 if (first.useColors) {
14684 SendToProgram("black\n", &first); /*gnu kludge*/
14686 SendTimeRemaining(&first, TRUE);
14688 if (first.useColors) {
14689 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14691 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14692 SetMachineThinkingEnables();
14693 first.maybeThinking = TRUE;
14697 if (appData.autoFlipView && !flipView) {
14698 flipView = !flipView;
14699 DrawPosition(FALSE, NULL);
14700 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14703 if(bookHit) { // [HGM] book: simulate book reply
14704 static char bookMove[MSG_SIZ]; // a bit generous?
14706 programStats.nodes = programStats.depth = programStats.time =
14707 programStats.score = programStats.got_only_move = 0;
14708 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14710 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14711 strcat(bookMove, bookHit);
14712 HandleMachineMove(bookMove, &first);
14717 MachineBlackEvent ()
14720 char *bookHit = NULL;
14722 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14726 if (gameMode == PlayFromGameFile ||
14727 gameMode == TwoMachinesPlay ||
14728 gameMode == Training ||
14729 gameMode == AnalyzeMode ||
14730 gameMode == EndOfGame)
14733 if (gameMode == EditPosition)
14734 EditPositionDone(TRUE);
14736 if (WhiteOnMove(currentMove)) {
14737 DisplayError(_("It is not Black's turn"), 0);
14741 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14744 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14745 gameMode == AnalyzeFile)
14748 ResurrectChessProgram(); /* in case it isn't running */
14749 gameMode = MachinePlaysBlack;
14753 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14755 if (first.sendName) {
14756 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14757 SendToProgram(buf, &first);
14759 if (first.sendTime) {
14760 if (first.useColors) {
14761 SendToProgram("white\n", &first); /*gnu kludge*/
14763 SendTimeRemaining(&first, FALSE);
14765 if (first.useColors) {
14766 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14768 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14769 SetMachineThinkingEnables();
14770 first.maybeThinking = TRUE;
14773 if (appData.autoFlipView && flipView) {
14774 flipView = !flipView;
14775 DrawPosition(FALSE, NULL);
14776 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14778 if(bookHit) { // [HGM] book: simulate book reply
14779 static char bookMove[MSG_SIZ]; // a bit generous?
14781 programStats.nodes = programStats.depth = programStats.time =
14782 programStats.score = programStats.got_only_move = 0;
14783 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14785 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14786 strcat(bookMove, bookHit);
14787 HandleMachineMove(bookMove, &first);
14793 DisplayTwoMachinesTitle ()
14796 if (appData.matchGames > 0) {
14797 if(appData.tourneyFile[0]) {
14798 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14799 gameInfo.white, _("vs."), gameInfo.black,
14800 nextGame+1, appData.matchGames+1,
14801 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14803 if (first.twoMachinesColor[0] == 'w') {
14804 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14805 gameInfo.white, _("vs."), gameInfo.black,
14806 first.matchWins, second.matchWins,
14807 matchGame - 1 - (first.matchWins + second.matchWins));
14809 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14810 gameInfo.white, _("vs."), gameInfo.black,
14811 second.matchWins, first.matchWins,
14812 matchGame - 1 - (first.matchWins + second.matchWins));
14815 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14821 SettingsMenuIfReady ()
14823 if (second.lastPing != second.lastPong) {
14824 DisplayMessage("", _("Waiting for second chess program"));
14825 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14829 DisplayMessage("", "");
14830 SettingsPopUp(&second);
14834 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14837 if (cps->pr == NoProc) {
14838 StartChessProgram(cps);
14839 if (cps->protocolVersion == 1) {
14841 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14843 /* kludge: allow timeout for initial "feature" command */
14844 if(retry != TwoMachinesEventIfReady) FreezeUI();
14845 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14846 DisplayMessage("", buf);
14847 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14855 TwoMachinesEvent P((void))
14859 ChessProgramState *onmove;
14860 char *bookHit = NULL;
14861 static int stalling = 0;
14865 if (appData.noChessProgram) return;
14867 switch (gameMode) {
14868 case TwoMachinesPlay:
14870 case MachinePlaysWhite:
14871 case MachinePlaysBlack:
14872 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14873 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14877 case BeginningOfGame:
14878 case PlayFromGameFile:
14881 if (gameMode != EditGame) return;
14884 EditPositionDone(TRUE);
14895 // forwardMostMove = currentMove;
14896 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14897 startingEngine = TRUE;
14899 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14901 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14902 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14903 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14906 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14908 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14909 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14910 startingEngine = matchMode = FALSE;
14911 DisplayError("second engine does not play this", 0);
14912 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14913 EditGameEvent(); // switch back to EditGame mode
14918 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14919 SendToProgram("force\n", &second);
14921 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14924 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14925 if(appData.matchPause>10000 || appData.matchPause<10)
14926 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14927 wait = SubtractTimeMarks(&now, &pauseStart);
14928 if(wait < appData.matchPause) {
14929 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14932 // we are now committed to starting the game
14934 DisplayMessage("", "");
14935 if (startedFromSetupPosition) {
14936 SendBoard(&second, backwardMostMove);
14937 if (appData.debugMode) {
14938 fprintf(debugFP, "Two Machines\n");
14941 for (i = backwardMostMove; i < forwardMostMove; i++) {
14942 SendMoveToProgram(i, &second);
14945 gameMode = TwoMachinesPlay;
14946 pausing = startingEngine = FALSE;
14947 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14949 DisplayTwoMachinesTitle();
14951 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14956 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14957 SendToProgram(first.computerString, &first);
14958 if (first.sendName) {
14959 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14960 SendToProgram(buf, &first);
14962 SendToProgram(second.computerString, &second);
14963 if (second.sendName) {
14964 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14965 SendToProgram(buf, &second);
14969 if (!first.sendTime || !second.sendTime) {
14970 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14971 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14973 if (onmove->sendTime) {
14974 if (onmove->useColors) {
14975 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14977 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14979 if (onmove->useColors) {
14980 SendToProgram(onmove->twoMachinesColor, onmove);
14982 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14983 // SendToProgram("go\n", onmove);
14984 onmove->maybeThinking = TRUE;
14985 SetMachineThinkingEnables();
14989 if(bookHit) { // [HGM] book: simulate book reply
14990 static char bookMove[MSG_SIZ]; // a bit generous?
14992 programStats.nodes = programStats.depth = programStats.time =
14993 programStats.score = programStats.got_only_move = 0;
14994 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14996 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14997 strcat(bookMove, bookHit);
14998 savedMessage = bookMove; // args for deferred call
14999 savedState = onmove;
15000 ScheduleDelayedEvent(DeferredBookMove, 1);
15007 if (gameMode == Training) {
15008 SetTrainingModeOff();
15009 gameMode = PlayFromGameFile;
15010 DisplayMessage("", _("Training mode off"));
15012 gameMode = Training;
15013 animateTraining = appData.animate;
15015 /* make sure we are not already at the end of the game */
15016 if (currentMove < forwardMostMove) {
15017 SetTrainingModeOn();
15018 DisplayMessage("", _("Training mode on"));
15020 gameMode = PlayFromGameFile;
15021 DisplayError(_("Already at end of game"), 0);
15030 if (!appData.icsActive) return;
15031 switch (gameMode) {
15032 case IcsPlayingWhite:
15033 case IcsPlayingBlack:
15036 case BeginningOfGame:
15044 EditPositionDone(TRUE);
15057 gameMode = IcsIdle;
15067 switch (gameMode) {
15069 SetTrainingModeOff();
15071 case MachinePlaysWhite:
15072 case MachinePlaysBlack:
15073 case BeginningOfGame:
15074 SendToProgram("force\n", &first);
15075 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15076 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15078 abortEngineThink = TRUE;
15079 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15080 SendToProgram(buf, &first);
15081 DisplayMessage("Aborting engine think", "");
15085 SetUserThinkingEnables();
15087 case PlayFromGameFile:
15088 (void) StopLoadGameTimer();
15089 if (gameFileFP != NULL) {
15094 EditPositionDone(TRUE);
15099 SendToProgram("force\n", &first);
15101 case TwoMachinesPlay:
15102 GameEnds(EndOfFile, NULL, GE_PLAYER);
15103 ResurrectChessProgram();
15104 SetUserThinkingEnables();
15107 ResurrectChessProgram();
15109 case IcsPlayingBlack:
15110 case IcsPlayingWhite:
15111 DisplayError(_("Warning: You are still playing a game"), 0);
15114 DisplayError(_("Warning: You are still observing a game"), 0);
15117 DisplayError(_("Warning: You are still examining a game"), 0);
15128 first.offeredDraw = second.offeredDraw = 0;
15130 if (gameMode == PlayFromGameFile) {
15131 whiteTimeRemaining = timeRemaining[0][currentMove];
15132 blackTimeRemaining = timeRemaining[1][currentMove];
15136 if (gameMode == MachinePlaysWhite ||
15137 gameMode == MachinePlaysBlack ||
15138 gameMode == TwoMachinesPlay ||
15139 gameMode == EndOfGame) {
15140 i = forwardMostMove;
15141 while (i > currentMove) {
15142 SendToProgram("undo\n", &first);
15145 if(!adjustedClock) {
15146 whiteTimeRemaining = timeRemaining[0][currentMove];
15147 blackTimeRemaining = timeRemaining[1][currentMove];
15148 DisplayBothClocks();
15150 if (whiteFlag || blackFlag) {
15151 whiteFlag = blackFlag = 0;
15156 gameMode = EditGame;
15163 EditPositionEvent ()
15165 if (gameMode == EditPosition) {
15171 if (gameMode != EditGame) return;
15173 gameMode = EditPosition;
15176 if (currentMove > 0)
15177 CopyBoard(boards[0], boards[currentMove]);
15179 blackPlaysFirst = !WhiteOnMove(currentMove);
15181 currentMove = forwardMostMove = backwardMostMove = 0;
15182 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15184 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15190 /* [DM] icsEngineAnalyze - possible call from other functions */
15191 if (appData.icsEngineAnalyze) {
15192 appData.icsEngineAnalyze = FALSE;
15194 DisplayMessage("",_("Close ICS engine analyze..."));
15196 if (first.analysisSupport && first.analyzing) {
15197 SendToBoth("exit\n");
15198 first.analyzing = second.analyzing = FALSE;
15200 thinkOutput[0] = NULLCHAR;
15204 EditPositionDone (Boolean fakeRights)
15206 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15208 startedFromSetupPosition = TRUE;
15209 InitChessProgram(&first, FALSE);
15210 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15211 boards[0][EP_STATUS] = EP_NONE;
15212 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15213 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15214 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15215 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15216 } else boards[0][CASTLING][2] = NoRights;
15217 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15218 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15219 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15220 } else boards[0][CASTLING][5] = NoRights;
15221 if(gameInfo.variant == VariantSChess) {
15223 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15224 boards[0][VIRGIN][i] = 0;
15225 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15226 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15230 SendToProgram("force\n", &first);
15231 if (blackPlaysFirst) {
15232 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15233 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15234 currentMove = forwardMostMove = backwardMostMove = 1;
15235 CopyBoard(boards[1], boards[0]);
15237 currentMove = forwardMostMove = backwardMostMove = 0;
15239 SendBoard(&first, forwardMostMove);
15240 if (appData.debugMode) {
15241 fprintf(debugFP, "EditPosDone\n");
15244 DisplayMessage("", "");
15245 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15246 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15247 gameMode = EditGame;
15249 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15250 ClearHighlights(); /* [AS] */
15253 /* Pause for `ms' milliseconds */
15254 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15256 TimeDelay (long ms)
15263 } while (SubtractTimeMarks(&m2, &m1) < ms);
15266 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15268 SendMultiLineToICS (char *buf)
15270 char temp[MSG_SIZ+1], *p;
15277 strncpy(temp, buf, len);
15282 if (*p == '\n' || *p == '\r')
15287 strcat(temp, "\n");
15289 SendToPlayer(temp, strlen(temp));
15293 SetWhiteToPlayEvent ()
15295 if (gameMode == EditPosition) {
15296 blackPlaysFirst = FALSE;
15297 DisplayBothClocks(); /* works because currentMove is 0 */
15298 } else if (gameMode == IcsExamining) {
15299 SendToICS(ics_prefix);
15300 SendToICS("tomove white\n");
15305 SetBlackToPlayEvent ()
15307 if (gameMode == EditPosition) {
15308 blackPlaysFirst = TRUE;
15309 currentMove = 1; /* kludge */
15310 DisplayBothClocks();
15312 } else if (gameMode == IcsExamining) {
15313 SendToICS(ics_prefix);
15314 SendToICS("tomove black\n");
15319 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15322 ChessSquare piece = boards[0][y][x];
15323 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15324 static int lastVariant;
15326 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15328 switch (selection) {
15330 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15331 MarkTargetSquares(1);
15332 CopyBoard(currentBoard, boards[0]);
15333 CopyBoard(menuBoard, initialPosition);
15334 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15335 SendToICS(ics_prefix);
15336 SendToICS("bsetup clear\n");
15337 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15338 SendToICS(ics_prefix);
15339 SendToICS("clearboard\n");
15342 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15343 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15344 for (y = 0; y < BOARD_HEIGHT; y++) {
15345 if (gameMode == IcsExamining) {
15346 if (boards[currentMove][y][x] != EmptySquare) {
15347 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15351 } else if(boards[0][y][x] != DarkSquare) {
15352 if(boards[0][y][x] != p) nonEmpty++;
15353 boards[0][y][x] = p;
15357 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15359 for(r = 0; r < BOARD_HEIGHT; r++) {
15360 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15361 ChessSquare p = menuBoard[r][x];
15362 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15365 DisplayMessage("Clicking clock again restores position", "");
15366 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15367 if(!nonEmpty) { // asked to clear an empty board
15368 CopyBoard(boards[0], menuBoard);
15370 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15371 CopyBoard(boards[0], initialPosition);
15373 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15374 && !CompareBoards(nullBoard, erasedBoard)) {
15375 CopyBoard(boards[0], erasedBoard);
15377 CopyBoard(erasedBoard, currentBoard);
15381 if (gameMode == EditPosition) {
15382 DrawPosition(FALSE, boards[0]);
15387 SetWhiteToPlayEvent();
15391 SetBlackToPlayEvent();
15395 if (gameMode == IcsExamining) {
15396 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15397 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15400 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15401 if(x == BOARD_LEFT-2) {
15402 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15403 boards[0][y][1] = 0;
15405 if(x == BOARD_RGHT+1) {
15406 if(y >= gameInfo.holdingsSize) break;
15407 boards[0][y][BOARD_WIDTH-2] = 0;
15410 boards[0][y][x] = EmptySquare;
15411 DrawPosition(FALSE, boards[0]);
15416 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15417 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15418 selection = (ChessSquare) (PROMOTED(piece));
15419 } else if(piece == EmptySquare) selection = WhiteSilver;
15420 else selection = (ChessSquare)((int)piece - 1);
15424 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15425 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15426 selection = (ChessSquare) (DEMOTED(piece));
15427 } else if(piece == EmptySquare) selection = BlackSilver;
15428 else selection = (ChessSquare)((int)piece + 1);
15433 if(gameInfo.variant == VariantShatranj ||
15434 gameInfo.variant == VariantXiangqi ||
15435 gameInfo.variant == VariantCourier ||
15436 gameInfo.variant == VariantASEAN ||
15437 gameInfo.variant == VariantMakruk )
15438 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15443 if(gameInfo.variant == VariantXiangqi)
15444 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15445 if(gameInfo.variant == VariantKnightmate)
15446 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15449 if (gameMode == IcsExamining) {
15450 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15451 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15452 PieceToChar(selection), AAA + x, ONE + y);
15455 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15457 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15458 n = PieceToNumber(selection - BlackPawn);
15459 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15460 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15461 boards[0][BOARD_HEIGHT-1-n][1]++;
15463 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15464 n = PieceToNumber(selection);
15465 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15466 boards[0][n][BOARD_WIDTH-1] = selection;
15467 boards[0][n][BOARD_WIDTH-2]++;
15470 boards[0][y][x] = selection;
15471 DrawPosition(TRUE, boards[0]);
15473 fromX = fromY = -1;
15481 DropMenuEvent (ChessSquare selection, int x, int y)
15483 ChessMove moveType;
15485 switch (gameMode) {
15486 case IcsPlayingWhite:
15487 case MachinePlaysBlack:
15488 if (!WhiteOnMove(currentMove)) {
15489 DisplayMoveError(_("It is Black's turn"));
15492 moveType = WhiteDrop;
15494 case IcsPlayingBlack:
15495 case MachinePlaysWhite:
15496 if (WhiteOnMove(currentMove)) {
15497 DisplayMoveError(_("It is White's turn"));
15500 moveType = BlackDrop;
15503 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15509 if (moveType == BlackDrop && selection < BlackPawn) {
15510 selection = (ChessSquare) ((int) selection
15511 + (int) BlackPawn - (int) WhitePawn);
15513 if (boards[currentMove][y][x] != EmptySquare) {
15514 DisplayMoveError(_("That square is occupied"));
15518 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15524 /* Accept a pending offer of any kind from opponent */
15526 if (appData.icsActive) {
15527 SendToICS(ics_prefix);
15528 SendToICS("accept\n");
15529 } else if (cmailMsgLoaded) {
15530 if (currentMove == cmailOldMove &&
15531 commentList[cmailOldMove] != NULL &&
15532 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15533 "Black offers a draw" : "White offers a draw")) {
15535 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15536 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15538 DisplayError(_("There is no pending offer on this move"), 0);
15539 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15542 /* Not used for offers from chess program */
15549 /* Decline a pending offer of any kind from opponent */
15551 if (appData.icsActive) {
15552 SendToICS(ics_prefix);
15553 SendToICS("decline\n");
15554 } else if (cmailMsgLoaded) {
15555 if (currentMove == cmailOldMove &&
15556 commentList[cmailOldMove] != NULL &&
15557 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15558 "Black offers a draw" : "White offers a draw")) {
15560 AppendComment(cmailOldMove, "Draw declined", TRUE);
15561 DisplayComment(cmailOldMove - 1, "Draw declined");
15564 DisplayError(_("There is no pending offer on this move"), 0);
15567 /* Not used for offers from chess program */
15574 /* Issue ICS rematch command */
15575 if (appData.icsActive) {
15576 SendToICS(ics_prefix);
15577 SendToICS("rematch\n");
15584 /* Call your opponent's flag (claim a win on time) */
15585 if (appData.icsActive) {
15586 SendToICS(ics_prefix);
15587 SendToICS("flag\n");
15589 switch (gameMode) {
15592 case MachinePlaysWhite:
15595 GameEnds(GameIsDrawn, "Both players ran out of time",
15598 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15600 DisplayError(_("Your opponent is not out of time"), 0);
15603 case MachinePlaysBlack:
15606 GameEnds(GameIsDrawn, "Both players ran out of time",
15609 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15611 DisplayError(_("Your opponent is not out of time"), 0);
15619 ClockClick (int which)
15620 { // [HGM] code moved to back-end from winboard.c
15621 if(which) { // black clock
15622 if (gameMode == EditPosition || gameMode == IcsExamining) {
15623 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15624 SetBlackToPlayEvent();
15625 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15626 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15627 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15628 } else if (shiftKey) {
15629 AdjustClock(which, -1);
15630 } else if (gameMode == IcsPlayingWhite ||
15631 gameMode == MachinePlaysBlack) {
15634 } else { // white clock
15635 if (gameMode == EditPosition || gameMode == IcsExamining) {
15636 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15637 SetWhiteToPlayEvent();
15638 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15639 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15640 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15641 } else if (shiftKey) {
15642 AdjustClock(which, -1);
15643 } else if (gameMode == IcsPlayingBlack ||
15644 gameMode == MachinePlaysWhite) {
15653 /* Offer draw or accept pending draw offer from opponent */
15655 if (appData.icsActive) {
15656 /* Note: tournament rules require draw offers to be
15657 made after you make your move but before you punch
15658 your clock. Currently ICS doesn't let you do that;
15659 instead, you immediately punch your clock after making
15660 a move, but you can offer a draw at any time. */
15662 SendToICS(ics_prefix);
15663 SendToICS("draw\n");
15664 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15665 } else if (cmailMsgLoaded) {
15666 if (currentMove == cmailOldMove &&
15667 commentList[cmailOldMove] != NULL &&
15668 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15669 "Black offers a draw" : "White offers a draw")) {
15670 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15671 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15672 } else if (currentMove == cmailOldMove + 1) {
15673 char *offer = WhiteOnMove(cmailOldMove) ?
15674 "White offers a draw" : "Black offers a draw";
15675 AppendComment(currentMove, offer, TRUE);
15676 DisplayComment(currentMove - 1, offer);
15677 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15679 DisplayError(_("You must make your move before offering a draw"), 0);
15680 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15682 } else if (first.offeredDraw) {
15683 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15685 if (first.sendDrawOffers) {
15686 SendToProgram("draw\n", &first);
15687 userOfferedDraw = TRUE;
15695 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15697 if (appData.icsActive) {
15698 SendToICS(ics_prefix);
15699 SendToICS("adjourn\n");
15701 /* Currently GNU Chess doesn't offer or accept Adjourns */
15709 /* Offer Abort or accept pending Abort offer from opponent */
15711 if (appData.icsActive) {
15712 SendToICS(ics_prefix);
15713 SendToICS("abort\n");
15715 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15722 /* Resign. You can do this even if it's not your turn. */
15724 if (appData.icsActive) {
15725 SendToICS(ics_prefix);
15726 SendToICS("resign\n");
15728 switch (gameMode) {
15729 case MachinePlaysWhite:
15730 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15732 case MachinePlaysBlack:
15733 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15736 if (cmailMsgLoaded) {
15738 if (WhiteOnMove(cmailOldMove)) {
15739 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15741 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15743 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15754 StopObservingEvent ()
15756 /* Stop observing current games */
15757 SendToICS(ics_prefix);
15758 SendToICS("unobserve\n");
15762 StopExaminingEvent ()
15764 /* Stop observing current game */
15765 SendToICS(ics_prefix);
15766 SendToICS("unexamine\n");
15770 ForwardInner (int target)
15772 int limit; int oldSeekGraphUp = seekGraphUp;
15774 if (appData.debugMode)
15775 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15776 target, currentMove, forwardMostMove);
15778 if (gameMode == EditPosition)
15781 seekGraphUp = FALSE;
15782 MarkTargetSquares(1);
15783 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15785 if (gameMode == PlayFromGameFile && !pausing)
15788 if (gameMode == IcsExamining && pausing)
15789 limit = pauseExamForwardMostMove;
15791 limit = forwardMostMove;
15793 if (target > limit) target = limit;
15795 if (target > 0 && moveList[target - 1][0]) {
15796 int fromX, fromY, toX, toY;
15797 toX = moveList[target - 1][2] - AAA;
15798 toY = moveList[target - 1][3] - ONE;
15799 if (moveList[target - 1][1] == '@') {
15800 if (appData.highlightLastMove) {
15801 SetHighlights(-1, -1, toX, toY);
15804 int viaX = moveList[target - 1][5] - AAA;
15805 int viaY = moveList[target - 1][6] - ONE;
15806 fromX = moveList[target - 1][0] - AAA;
15807 fromY = moveList[target - 1][1] - ONE;
15808 if (target == currentMove + 1) {
15809 if(moveList[target - 1][4] == ';') { // multi-leg
15810 ChessSquare piece = boards[currentMove][viaY][viaX];
15811 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15812 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15813 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15814 boards[currentMove][viaY][viaX] = piece;
15816 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15818 if (appData.highlightLastMove) {
15819 SetHighlights(fromX, fromY, toX, toY);
15823 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15824 gameMode == Training || gameMode == PlayFromGameFile ||
15825 gameMode == AnalyzeFile) {
15826 while (currentMove < target) {
15827 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15828 SendMoveToProgram(currentMove++, &first);
15831 currentMove = target;
15834 if (gameMode == EditGame || gameMode == EndOfGame) {
15835 whiteTimeRemaining = timeRemaining[0][currentMove];
15836 blackTimeRemaining = timeRemaining[1][currentMove];
15838 DisplayBothClocks();
15839 DisplayMove(currentMove - 1);
15840 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15841 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15842 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15843 DisplayComment(currentMove - 1, commentList[currentMove]);
15845 ClearMap(); // [HGM] exclude: invalidate map
15852 if (gameMode == IcsExamining && !pausing) {
15853 SendToICS(ics_prefix);
15854 SendToICS("forward\n");
15856 ForwardInner(currentMove + 1);
15863 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15864 /* to optimze, we temporarily turn off analysis mode while we feed
15865 * the remaining moves to the engine. Otherwise we get analysis output
15868 if (first.analysisSupport) {
15869 SendToProgram("exit\nforce\n", &first);
15870 first.analyzing = FALSE;
15874 if (gameMode == IcsExamining && !pausing) {
15875 SendToICS(ics_prefix);
15876 SendToICS("forward 999999\n");
15878 ForwardInner(forwardMostMove);
15881 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15882 /* we have fed all the moves, so reactivate analysis mode */
15883 SendToProgram("analyze\n", &first);
15884 first.analyzing = TRUE;
15885 /*first.maybeThinking = TRUE;*/
15886 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15891 BackwardInner (int target)
15893 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15895 if (appData.debugMode)
15896 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15897 target, currentMove, forwardMostMove);
15899 if (gameMode == EditPosition) return;
15900 seekGraphUp = FALSE;
15901 MarkTargetSquares(1);
15902 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15903 if (currentMove <= backwardMostMove) {
15905 DrawPosition(full_redraw, boards[currentMove]);
15908 if (gameMode == PlayFromGameFile && !pausing)
15911 if (moveList[target][0]) {
15912 int fromX, fromY, toX, toY;
15913 toX = moveList[target][2] - AAA;
15914 toY = moveList[target][3] - ONE;
15915 if (moveList[target][1] == '@') {
15916 if (appData.highlightLastMove) {
15917 SetHighlights(-1, -1, toX, toY);
15920 fromX = moveList[target][0] - AAA;
15921 fromY = moveList[target][1] - ONE;
15922 if (target == currentMove - 1) {
15923 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15925 if (appData.highlightLastMove) {
15926 SetHighlights(fromX, fromY, toX, toY);
15930 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15931 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15932 while (currentMove > target) {
15933 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15934 // null move cannot be undone. Reload program with move history before it.
15936 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15937 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15939 SendBoard(&first, i);
15940 if(second.analyzing) SendBoard(&second, i);
15941 for(currentMove=i; currentMove<target; currentMove++) {
15942 SendMoveToProgram(currentMove, &first);
15943 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15947 SendToBoth("undo\n");
15951 currentMove = target;
15954 if (gameMode == EditGame || gameMode == EndOfGame) {
15955 whiteTimeRemaining = timeRemaining[0][currentMove];
15956 blackTimeRemaining = timeRemaining[1][currentMove];
15958 DisplayBothClocks();
15959 DisplayMove(currentMove - 1);
15960 DrawPosition(full_redraw, boards[currentMove]);
15961 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15962 // [HGM] PV info: routine tests if comment empty
15963 DisplayComment(currentMove - 1, commentList[currentMove]);
15964 ClearMap(); // [HGM] exclude: invalidate map
15970 if (gameMode == IcsExamining && !pausing) {
15971 SendToICS(ics_prefix);
15972 SendToICS("backward\n");
15974 BackwardInner(currentMove - 1);
15981 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15982 /* to optimize, we temporarily turn off analysis mode while we undo
15983 * all the moves. Otherwise we get analysis output after each undo.
15985 if (first.analysisSupport) {
15986 SendToProgram("exit\nforce\n", &first);
15987 first.analyzing = FALSE;
15991 if (gameMode == IcsExamining && !pausing) {
15992 SendToICS(ics_prefix);
15993 SendToICS("backward 999999\n");
15995 BackwardInner(backwardMostMove);
15998 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15999 /* we have fed all the moves, so reactivate analysis mode */
16000 SendToProgram("analyze\n", &first);
16001 first.analyzing = TRUE;
16002 /*first.maybeThinking = TRUE;*/
16003 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16010 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16011 if (to >= forwardMostMove) to = forwardMostMove;
16012 if (to <= backwardMostMove) to = backwardMostMove;
16013 if (to < currentMove) {
16021 RevertEvent (Boolean annotate)
16023 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16026 if (gameMode != IcsExamining) {
16027 DisplayError(_("You are not examining a game"), 0);
16031 DisplayError(_("You can't revert while pausing"), 0);
16034 SendToICS(ics_prefix);
16035 SendToICS("revert\n");
16039 RetractMoveEvent ()
16041 switch (gameMode) {
16042 case MachinePlaysWhite:
16043 case MachinePlaysBlack:
16044 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16045 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16048 if (forwardMostMove < 2) return;
16049 currentMove = forwardMostMove = forwardMostMove - 2;
16050 whiteTimeRemaining = timeRemaining[0][currentMove];
16051 blackTimeRemaining = timeRemaining[1][currentMove];
16052 DisplayBothClocks();
16053 DisplayMove(currentMove - 1);
16054 ClearHighlights();/*!! could figure this out*/
16055 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16056 SendToProgram("remove\n", &first);
16057 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16060 case BeginningOfGame:
16064 case IcsPlayingWhite:
16065 case IcsPlayingBlack:
16066 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16067 SendToICS(ics_prefix);
16068 SendToICS("takeback 2\n");
16070 SendToICS(ics_prefix);
16071 SendToICS("takeback 1\n");
16080 ChessProgramState *cps;
16082 switch (gameMode) {
16083 case MachinePlaysWhite:
16084 if (!WhiteOnMove(forwardMostMove)) {
16085 DisplayError(_("It is your turn"), 0);
16090 case MachinePlaysBlack:
16091 if (WhiteOnMove(forwardMostMove)) {
16092 DisplayError(_("It is your turn"), 0);
16097 case TwoMachinesPlay:
16098 if (WhiteOnMove(forwardMostMove) ==
16099 (first.twoMachinesColor[0] == 'w')) {
16105 case BeginningOfGame:
16109 SendToProgram("?\n", cps);
16113 TruncateGameEvent ()
16116 if (gameMode != EditGame) return;
16123 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16124 if (forwardMostMove > currentMove) {
16125 if (gameInfo.resultDetails != NULL) {
16126 free(gameInfo.resultDetails);
16127 gameInfo.resultDetails = NULL;
16128 gameInfo.result = GameUnfinished;
16130 forwardMostMove = currentMove;
16131 HistorySet(parseList, backwardMostMove, forwardMostMove,
16139 if (appData.noChessProgram) return;
16140 switch (gameMode) {
16141 case MachinePlaysWhite:
16142 if (WhiteOnMove(forwardMostMove)) {
16143 DisplayError(_("Wait until your turn."), 0);
16147 case BeginningOfGame:
16148 case MachinePlaysBlack:
16149 if (!WhiteOnMove(forwardMostMove)) {
16150 DisplayError(_("Wait until your turn."), 0);
16155 DisplayError(_("No hint available"), 0);
16158 SendToProgram("hint\n", &first);
16159 hintRequested = TRUE;
16163 SaveSelected (FILE *g, int dummy, char *dummy2)
16165 ListGame * lg = (ListGame *) gameList.head;
16169 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16170 DisplayError(_("Game list not loaded or empty"), 0);
16174 creatingBook = TRUE; // suppresses stuff during load game
16176 /* Get list size */
16177 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16178 if(lg->position >= 0) { // selected?
16179 LoadGame(f, nItem, "", TRUE);
16180 SaveGamePGN2(g); // leaves g open
16183 lg = (ListGame *) lg->node.succ;
16187 creatingBook = FALSE;
16195 ListGame * lg = (ListGame *) gameList.head;
16198 static int secondTime = FALSE;
16200 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16201 DisplayError(_("Game list not loaded or empty"), 0);
16205 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16208 DisplayNote(_("Book file exists! Try again for overwrite."));
16212 creatingBook = TRUE;
16213 secondTime = FALSE;
16215 /* Get list size */
16216 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16217 if(lg->position >= 0) {
16218 LoadGame(f, nItem, "", TRUE);
16219 AddGameToBook(TRUE);
16222 lg = (ListGame *) lg->node.succ;
16225 creatingBook = FALSE;
16232 if (appData.noChessProgram) return;
16233 switch (gameMode) {
16234 case MachinePlaysWhite:
16235 if (WhiteOnMove(forwardMostMove)) {
16236 DisplayError(_("Wait until your turn."), 0);
16240 case BeginningOfGame:
16241 case MachinePlaysBlack:
16242 if (!WhiteOnMove(forwardMostMove)) {
16243 DisplayError(_("Wait until your turn."), 0);
16248 EditPositionDone(TRUE);
16250 case TwoMachinesPlay:
16255 SendToProgram("bk\n", &first);
16256 bookOutput[0] = NULLCHAR;
16257 bookRequested = TRUE;
16263 char *tags = PGNTags(&gameInfo);
16264 TagsPopUp(tags, CmailMsg());
16268 /* end button procedures */
16271 PrintPosition (FILE *fp, int move)
16275 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16276 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16277 char c = PieceToChar(boards[move][i][j]);
16278 fputc(c == 'x' ? '.' : c, fp);
16279 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16282 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16283 fprintf(fp, "white to play\n");
16285 fprintf(fp, "black to play\n");
16289 PrintOpponents (FILE *fp)
16291 if (gameInfo.white != NULL) {
16292 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16298 /* Find last component of program's own name, using some heuristics */
16300 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16303 int local = (strcmp(host, "localhost") == 0);
16304 while (!local && (p = strchr(prog, ';')) != NULL) {
16306 while (*p == ' ') p++;
16309 if (*prog == '"' || *prog == '\'') {
16310 q = strchr(prog + 1, *prog);
16312 q = strchr(prog, ' ');
16314 if (q == NULL) q = prog + strlen(prog);
16316 while (p >= prog && *p != '/' && *p != '\\') p--;
16318 if(p == prog && *p == '"') p++;
16320 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16321 memcpy(buf, p, q - p);
16322 buf[q - p] = NULLCHAR;
16330 TimeControlTagValue ()
16333 if (!appData.clockMode) {
16334 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16335 } else if (movesPerSession > 0) {
16336 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16337 } else if (timeIncrement == 0) {
16338 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16340 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16342 return StrSave(buf);
16348 /* This routine is used only for certain modes */
16349 VariantClass v = gameInfo.variant;
16350 ChessMove r = GameUnfinished;
16353 if(keepInfo) return;
16355 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16356 r = gameInfo.result;
16357 p = gameInfo.resultDetails;
16358 gameInfo.resultDetails = NULL;
16360 ClearGameInfo(&gameInfo);
16361 gameInfo.variant = v;
16363 switch (gameMode) {
16364 case MachinePlaysWhite:
16365 gameInfo.event = StrSave( appData.pgnEventHeader );
16366 gameInfo.site = StrSave(HostName());
16367 gameInfo.date = PGNDate();
16368 gameInfo.round = StrSave("-");
16369 gameInfo.white = StrSave(first.tidy);
16370 gameInfo.black = StrSave(UserName());
16371 gameInfo.timeControl = TimeControlTagValue();
16374 case MachinePlaysBlack:
16375 gameInfo.event = StrSave( appData.pgnEventHeader );
16376 gameInfo.site = StrSave(HostName());
16377 gameInfo.date = PGNDate();
16378 gameInfo.round = StrSave("-");
16379 gameInfo.white = StrSave(UserName());
16380 gameInfo.black = StrSave(first.tidy);
16381 gameInfo.timeControl = TimeControlTagValue();
16384 case TwoMachinesPlay:
16385 gameInfo.event = StrSave( appData.pgnEventHeader );
16386 gameInfo.site = StrSave(HostName());
16387 gameInfo.date = PGNDate();
16390 snprintf(buf, MSG_SIZ, "%d", roundNr);
16391 gameInfo.round = StrSave(buf);
16393 gameInfo.round = StrSave("-");
16395 if (first.twoMachinesColor[0] == 'w') {
16396 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16397 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16399 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16400 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16402 gameInfo.timeControl = TimeControlTagValue();
16406 gameInfo.event = StrSave("Edited game");
16407 gameInfo.site = StrSave(HostName());
16408 gameInfo.date = PGNDate();
16409 gameInfo.round = StrSave("-");
16410 gameInfo.white = StrSave("-");
16411 gameInfo.black = StrSave("-");
16412 gameInfo.result = r;
16413 gameInfo.resultDetails = p;
16417 gameInfo.event = StrSave("Edited position");
16418 gameInfo.site = StrSave(HostName());
16419 gameInfo.date = PGNDate();
16420 gameInfo.round = StrSave("-");
16421 gameInfo.white = StrSave("-");
16422 gameInfo.black = StrSave("-");
16425 case IcsPlayingWhite:
16426 case IcsPlayingBlack:
16431 case PlayFromGameFile:
16432 gameInfo.event = StrSave("Game from non-PGN file");
16433 gameInfo.site = StrSave(HostName());
16434 gameInfo.date = PGNDate();
16435 gameInfo.round = StrSave("-");
16436 gameInfo.white = StrSave("?");
16437 gameInfo.black = StrSave("?");
16446 ReplaceComment (int index, char *text)
16452 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16453 pvInfoList[index-1].depth == len &&
16454 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16455 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16456 while (*text == '\n') text++;
16457 len = strlen(text);
16458 while (len > 0 && text[len - 1] == '\n') len--;
16460 if (commentList[index] != NULL)
16461 free(commentList[index]);
16464 commentList[index] = NULL;
16467 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16468 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16469 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16470 commentList[index] = (char *) malloc(len + 2);
16471 strncpy(commentList[index], text, len);
16472 commentList[index][len] = '\n';
16473 commentList[index][len + 1] = NULLCHAR;
16475 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16477 commentList[index] = (char *) malloc(len + 7);
16478 safeStrCpy(commentList[index], "{\n", 3);
16479 safeStrCpy(commentList[index]+2, text, len+1);
16480 commentList[index][len+2] = NULLCHAR;
16481 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16482 strcat(commentList[index], "\n}\n");
16487 CrushCRs (char *text)
16495 if (ch == '\r') continue;
16497 } while (ch != '\0');
16501 AppendComment (int index, char *text, Boolean addBraces)
16502 /* addBraces tells if we should add {} */
16507 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16508 if(addBraces == 3) addBraces = 0; else // force appending literally
16509 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16512 while (*text == '\n') text++;
16513 len = strlen(text);
16514 while (len > 0 && text[len - 1] == '\n') len--;
16515 text[len] = NULLCHAR;
16517 if (len == 0) return;
16519 if (commentList[index] != NULL) {
16520 Boolean addClosingBrace = addBraces;
16521 old = commentList[index];
16522 oldlen = strlen(old);
16523 while(commentList[index][oldlen-1] == '\n')
16524 commentList[index][--oldlen] = NULLCHAR;
16525 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16526 safeStrCpy(commentList[index], old, oldlen + len + 6);
16528 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16529 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16530 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16531 while (*text == '\n') { text++; len--; }
16532 commentList[index][--oldlen] = NULLCHAR;
16534 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16535 else strcat(commentList[index], "\n");
16536 strcat(commentList[index], text);
16537 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16538 else strcat(commentList[index], "\n");
16540 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16542 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16543 else commentList[index][0] = NULLCHAR;
16544 strcat(commentList[index], text);
16545 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16546 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16551 FindStr (char * text, char * sub_text)
16553 char * result = strstr( text, sub_text );
16555 if( result != NULL ) {
16556 result += strlen( sub_text );
16562 /* [AS] Try to extract PV info from PGN comment */
16563 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16565 GetInfoFromComment (int index, char * text)
16567 char * sep = text, *p;
16569 if( text != NULL && index > 0 ) {
16572 int time = -1, sec = 0, deci;
16573 char * s_eval = FindStr( text, "[%eval " );
16574 char * s_emt = FindStr( text, "[%emt " );
16576 if( s_eval != NULL || s_emt != NULL ) {
16578 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16583 if( s_eval != NULL ) {
16584 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16588 if( delim != ']' ) {
16593 if( s_emt != NULL ) {
16598 /* We expect something like: [+|-]nnn.nn/dd */
16601 if(*text != '{') return text; // [HGM] braces: must be normal comment
16603 sep = strchr( text, '/' );
16604 if( sep == NULL || sep < (text+4) ) {
16609 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16610 if(p[1] == '(') { // comment starts with PV
16611 p = strchr(p, ')'); // locate end of PV
16612 if(p == NULL || sep < p+5) return text;
16613 // at this point we have something like "{(.*) +0.23/6 ..."
16614 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16615 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16616 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16618 time = -1; sec = -1; deci = -1;
16619 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16620 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16621 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16622 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16626 if( score_lo < 0 || score_lo >= 100 ) {
16630 if(sec >= 0) time = 600*time + 10*sec; else
16631 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16633 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16635 /* [HGM] PV time: now locate end of PV info */
16636 while( *++sep >= '0' && *sep <= '9'); // strip depth
16638 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16640 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16642 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16643 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16654 pvInfoList[index-1].depth = depth;
16655 pvInfoList[index-1].score = score;
16656 pvInfoList[index-1].time = 10*time; // centi-sec
16657 if(*sep == '}') *sep = 0; else *--sep = '{';
16658 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16664 SendToProgram (char *message, ChessProgramState *cps)
16666 int count, outCount, error;
16669 if (cps->pr == NoProc) return;
16672 if (appData.debugMode) {
16675 fprintf(debugFP, "%ld >%-6s: %s",
16676 SubtractTimeMarks(&now, &programStartTime),
16677 cps->which, message);
16679 fprintf(serverFP, "%ld >%-6s: %s",
16680 SubtractTimeMarks(&now, &programStartTime),
16681 cps->which, message), fflush(serverFP);
16684 count = strlen(message);
16685 outCount = OutputToProcess(cps->pr, message, count, &error);
16686 if (outCount < count && !exiting
16687 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16688 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16689 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16690 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16691 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16692 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16693 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16694 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16696 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16697 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16698 gameInfo.result = res;
16700 gameInfo.resultDetails = StrSave(buf);
16702 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16703 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16708 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16712 ChessProgramState *cps = (ChessProgramState *)closure;
16714 if (isr != cps->isr) return; /* Killed intentionally */
16717 RemoveInputSource(cps->isr);
16718 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16719 _(cps->which), cps->program);
16720 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16721 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16722 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16723 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16724 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16725 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16727 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16728 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16729 gameInfo.result = res;
16731 gameInfo.resultDetails = StrSave(buf);
16733 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16734 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16736 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16737 _(cps->which), cps->program);
16738 RemoveInputSource(cps->isr);
16740 /* [AS] Program is misbehaving badly... kill it */
16741 if( count == -2 ) {
16742 DestroyChildProcess( cps->pr, 9 );
16746 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16751 if ((end_str = strchr(message, '\r')) != NULL)
16752 *end_str = NULLCHAR;
16753 if ((end_str = strchr(message, '\n')) != NULL)
16754 *end_str = NULLCHAR;
16756 if (appData.debugMode) {
16757 TimeMark now; int print = 1;
16758 char *quote = ""; char c; int i;
16760 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16761 char start = message[0];
16762 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16763 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16764 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16765 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16766 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16767 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16768 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16769 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16770 sscanf(message, "hint: %c", &c)!=1 &&
16771 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16772 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16773 print = (appData.engineComments >= 2);
16775 message[0] = start; // restore original message
16779 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16780 SubtractTimeMarks(&now, &programStartTime), cps->which,
16784 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16785 SubtractTimeMarks(&now, &programStartTime), cps->which,
16787 message), fflush(serverFP);
16791 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16792 if (appData.icsEngineAnalyze) {
16793 if (strstr(message, "whisper") != NULL ||
16794 strstr(message, "kibitz") != NULL ||
16795 strstr(message, "tellics") != NULL) return;
16798 HandleMachineMove(message, cps);
16803 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16808 if( timeControl_2 > 0 ) {
16809 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16810 tc = timeControl_2;
16813 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16814 inc /= cps->timeOdds;
16815 st /= cps->timeOdds;
16817 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16820 /* Set exact time per move, normally using st command */
16821 if (cps->stKludge) {
16822 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16824 if (seconds == 0) {
16825 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16827 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16830 snprintf(buf, MSG_SIZ, "st %d\n", st);
16833 /* Set conventional or incremental time control, using level command */
16834 if (seconds == 0) {
16835 /* Note old gnuchess bug -- minutes:seconds used to not work.
16836 Fixed in later versions, but still avoid :seconds
16837 when seconds is 0. */
16838 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16840 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16841 seconds, inc/1000.);
16844 SendToProgram(buf, cps);
16846 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16847 /* Orthogonally, limit search to given depth */
16849 if (cps->sdKludge) {
16850 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16852 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16854 SendToProgram(buf, cps);
16857 if(cps->nps >= 0) { /* [HGM] nps */
16858 if(cps->supportsNPS == FALSE)
16859 cps->nps = -1; // don't use if engine explicitly says not supported!
16861 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16862 SendToProgram(buf, cps);
16867 ChessProgramState *
16869 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16871 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16872 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16878 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16880 char message[MSG_SIZ];
16883 /* Note: this routine must be called when the clocks are stopped
16884 or when they have *just* been set or switched; otherwise
16885 it will be off by the time since the current tick started.
16887 if (machineWhite) {
16888 time = whiteTimeRemaining / 10;
16889 otime = blackTimeRemaining / 10;
16891 time = blackTimeRemaining / 10;
16892 otime = whiteTimeRemaining / 10;
16894 /* [HGM] translate opponent's time by time-odds factor */
16895 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16897 if (time <= 0) time = 1;
16898 if (otime <= 0) otime = 1;
16900 snprintf(message, MSG_SIZ, "time %ld\n", time);
16901 SendToProgram(message, cps);
16903 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16904 SendToProgram(message, cps);
16908 EngineDefinedVariant (ChessProgramState *cps, int n)
16909 { // return name of n-th unknown variant that engine supports
16910 static char buf[MSG_SIZ];
16911 char *p, *s = cps->variants;
16912 if(!s) return NULL;
16913 do { // parse string from variants feature
16915 p = strchr(s, ',');
16916 if(p) *p = NULLCHAR;
16917 v = StringToVariant(s);
16918 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16919 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16920 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16921 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16922 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16923 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16924 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16927 if(n < 0) return buf;
16933 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16936 int len = strlen(name);
16939 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16941 sscanf(*p, "%d", &val);
16943 while (**p && **p != ' ')
16945 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16946 SendToProgram(buf, cps);
16953 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16956 int len = strlen(name);
16957 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16959 sscanf(*p, "%d", loc);
16960 while (**p && **p != ' ') (*p)++;
16961 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16962 SendToProgram(buf, cps);
16969 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16972 int len = strlen(name);
16973 if (strncmp((*p), name, len) == 0
16974 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16976 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16977 sscanf(*p, "%[^\"]", *loc);
16978 while (**p && **p != '\"') (*p)++;
16979 if (**p == '\"') (*p)++;
16980 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16981 SendToProgram(buf, cps);
16988 ParseOption (Option *opt, ChessProgramState *cps)
16989 // [HGM] options: process the string that defines an engine option, and determine
16990 // name, type, default value, and allowed value range
16992 char *p, *q, buf[MSG_SIZ];
16993 int n, min = (-1)<<31, max = 1<<31, def;
16995 opt->target = &opt->value; // OK for spin/slider and checkbox
16996 if(p = strstr(opt->name, " -spin ")) {
16997 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16998 if(max < min) max = min; // enforce consistency
16999 if(def < min) def = min;
17000 if(def > max) def = max;
17005 } else if((p = strstr(opt->name, " -slider "))) {
17006 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17007 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17008 if(max < min) max = min; // enforce consistency
17009 if(def < min) def = min;
17010 if(def > max) def = max;
17014 opt->type = Spin; // Slider;
17015 } else if((p = strstr(opt->name, " -string "))) {
17016 opt->textValue = p+9;
17017 opt->type = TextBox;
17018 opt->target = &opt->textValue;
17019 } else if((p = strstr(opt->name, " -file "))) {
17020 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17021 opt->target = opt->textValue = p+7;
17022 opt->type = FileName; // FileName;
17023 opt->target = &opt->textValue;
17024 } else if((p = strstr(opt->name, " -path "))) {
17025 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17026 opt->target = opt->textValue = p+7;
17027 opt->type = PathName; // PathName;
17028 opt->target = &opt->textValue;
17029 } else if(p = strstr(opt->name, " -check ")) {
17030 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17031 opt->value = (def != 0);
17032 opt->type = CheckBox;
17033 } else if(p = strstr(opt->name, " -combo ")) {
17034 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17035 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17036 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17037 opt->value = n = 0;
17038 while(q = StrStr(q, " /// ")) {
17039 n++; *q = 0; // count choices, and null-terminate each of them
17041 if(*q == '*') { // remember default, which is marked with * prefix
17045 cps->comboList[cps->comboCnt++] = q;
17047 cps->comboList[cps->comboCnt++] = NULL;
17049 opt->type = ComboBox;
17050 } else if(p = strstr(opt->name, " -button")) {
17051 opt->type = Button;
17052 } else if(p = strstr(opt->name, " -save")) {
17053 opt->type = SaveButton;
17054 } else return FALSE;
17055 *p = 0; // terminate option name
17056 // now look if the command-line options define a setting for this engine option.
17057 if(cps->optionSettings && cps->optionSettings[0])
17058 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17059 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17060 snprintf(buf, MSG_SIZ, "option %s", p);
17061 if(p = strstr(buf, ",")) *p = 0;
17062 if(q = strchr(buf, '=')) switch(opt->type) {
17064 for(n=0; n<opt->max; n++)
17065 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17068 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17072 opt->value = atoi(q+1);
17077 SendToProgram(buf, cps);
17083 FeatureDone (ChessProgramState *cps, int val)
17085 DelayedEventCallback cb = GetDelayedEvent();
17086 if ((cb == InitBackEnd3 && cps == &first) ||
17087 (cb == SettingsMenuIfReady && cps == &second) ||
17088 (cb == LoadEngine) ||
17089 (cb == TwoMachinesEventIfReady)) {
17090 CancelDelayedEvent();
17091 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17092 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17093 cps->initDone = val;
17094 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17097 /* Parse feature command from engine */
17099 ParseFeatures (char *args, ChessProgramState *cps)
17107 while (*p == ' ') p++;
17108 if (*p == NULLCHAR) return;
17110 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17111 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17112 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17113 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17114 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17115 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17116 if (BoolFeature(&p, "reuse", &val, cps)) {
17117 /* Engine can disable reuse, but can't enable it if user said no */
17118 if (!val) cps->reuse = FALSE;
17121 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17122 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17123 if (gameMode == TwoMachinesPlay) {
17124 DisplayTwoMachinesTitle();
17130 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17131 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17132 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17133 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17134 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17135 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17136 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17137 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17138 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17139 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17140 if (IntFeature(&p, "done", &val, cps)) {
17141 FeatureDone(cps, val);
17144 /* Added by Tord: */
17145 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17146 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17147 /* End of additions by Tord */
17149 /* [HGM] added features: */
17150 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17151 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17152 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17153 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17154 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17155 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17156 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17157 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17158 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17159 FREE(cps->option[cps->nrOptions].name);
17160 cps->option[cps->nrOptions].name = q; q = NULL;
17161 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17162 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17163 SendToProgram(buf, cps);
17166 if(cps->nrOptions >= MAX_OPTIONS) {
17168 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17169 DisplayError(buf, 0);
17173 /* End of additions by HGM */
17175 /* unknown feature: complain and skip */
17177 while (*q && *q != '=') q++;
17178 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17179 SendToProgram(buf, cps);
17185 while (*p && *p != '\"') p++;
17186 if (*p == '\"') p++;
17188 while (*p && *p != ' ') p++;
17196 PeriodicUpdatesEvent (int newState)
17198 if (newState == appData.periodicUpdates)
17201 appData.periodicUpdates=newState;
17203 /* Display type changes, so update it now */
17204 // DisplayAnalysis();
17206 /* Get the ball rolling again... */
17208 AnalysisPeriodicEvent(1);
17209 StartAnalysisClock();
17214 PonderNextMoveEvent (int newState)
17216 if (newState == appData.ponderNextMove) return;
17217 if (gameMode == EditPosition) EditPositionDone(TRUE);
17219 SendToProgram("hard\n", &first);
17220 if (gameMode == TwoMachinesPlay) {
17221 SendToProgram("hard\n", &second);
17224 SendToProgram("easy\n", &first);
17225 thinkOutput[0] = NULLCHAR;
17226 if (gameMode == TwoMachinesPlay) {
17227 SendToProgram("easy\n", &second);
17230 appData.ponderNextMove = newState;
17234 NewSettingEvent (int option, int *feature, char *command, int value)
17238 if (gameMode == EditPosition) EditPositionDone(TRUE);
17239 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17240 if(feature == NULL || *feature) SendToProgram(buf, &first);
17241 if (gameMode == TwoMachinesPlay) {
17242 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17247 ShowThinkingEvent ()
17248 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17250 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17251 int newState = appData.showThinking
17252 // [HGM] thinking: other features now need thinking output as well
17253 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17255 if (oldState == newState) return;
17256 oldState = newState;
17257 if (gameMode == EditPosition) EditPositionDone(TRUE);
17259 SendToProgram("post\n", &first);
17260 if (gameMode == TwoMachinesPlay) {
17261 SendToProgram("post\n", &second);
17264 SendToProgram("nopost\n", &first);
17265 thinkOutput[0] = NULLCHAR;
17266 if (gameMode == TwoMachinesPlay) {
17267 SendToProgram("nopost\n", &second);
17270 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17274 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17276 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17277 if (pr == NoProc) return;
17278 AskQuestion(title, question, replyPrefix, pr);
17282 TypeInEvent (char firstChar)
17284 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17285 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17286 gameMode == AnalyzeMode || gameMode == EditGame ||
17287 gameMode == EditPosition || gameMode == IcsExamining ||
17288 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17289 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17290 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17291 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17292 gameMode == Training) PopUpMoveDialog(firstChar);
17296 TypeInDoneEvent (char *move)
17299 int n, fromX, fromY, toX, toY;
17301 ChessMove moveType;
17304 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17305 EditPositionPasteFEN(move);
17308 // [HGM] movenum: allow move number to be typed in any mode
17309 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17313 // undocumented kludge: allow command-line option to be typed in!
17314 // (potentially fatal, and does not implement the effect of the option.)
17315 // should only be used for options that are values on which future decisions will be made,
17316 // and definitely not on options that would be used during initialization.
17317 if(strstr(move, "!!! -") == move) {
17318 ParseArgsFromString(move+4);
17322 if (gameMode != EditGame && currentMove != forwardMostMove &&
17323 gameMode != Training) {
17324 DisplayMoveError(_("Displayed move is not current"));
17326 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17327 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17328 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17329 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17330 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17331 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17333 DisplayMoveError(_("Could not parse move"));
17339 DisplayMove (int moveNumber)
17341 char message[MSG_SIZ];
17343 char cpThinkOutput[MSG_SIZ];
17345 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17347 if (moveNumber == forwardMostMove - 1 ||
17348 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17350 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17352 if (strchr(cpThinkOutput, '\n')) {
17353 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17356 *cpThinkOutput = NULLCHAR;
17359 /* [AS] Hide thinking from human user */
17360 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17361 *cpThinkOutput = NULLCHAR;
17362 if( thinkOutput[0] != NULLCHAR ) {
17365 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17366 cpThinkOutput[i] = '.';
17368 cpThinkOutput[i] = NULLCHAR;
17369 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17373 if (moveNumber == forwardMostMove - 1 &&
17374 gameInfo.resultDetails != NULL) {
17375 if (gameInfo.resultDetails[0] == NULLCHAR) {
17376 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17378 snprintf(res, MSG_SIZ, " {%s} %s",
17379 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17385 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17386 DisplayMessage(res, cpThinkOutput);
17388 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17389 WhiteOnMove(moveNumber) ? " " : ".. ",
17390 parseList[moveNumber], res);
17391 DisplayMessage(message, cpThinkOutput);
17396 DisplayComment (int moveNumber, char *text)
17398 char title[MSG_SIZ];
17400 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17401 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17403 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17404 WhiteOnMove(moveNumber) ? " " : ".. ",
17405 parseList[moveNumber]);
17407 if (text != NULL && (appData.autoDisplayComment || commentUp))
17408 CommentPopUp(title, text);
17411 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17412 * might be busy thinking or pondering. It can be omitted if your
17413 * gnuchess is configured to stop thinking immediately on any user
17414 * input. However, that gnuchess feature depends on the FIONREAD
17415 * ioctl, which does not work properly on some flavors of Unix.
17418 Attention (ChessProgramState *cps)
17421 if (!cps->useSigint) return;
17422 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17423 switch (gameMode) {
17424 case MachinePlaysWhite:
17425 case MachinePlaysBlack:
17426 case TwoMachinesPlay:
17427 case IcsPlayingWhite:
17428 case IcsPlayingBlack:
17431 /* Skip if we know it isn't thinking */
17432 if (!cps->maybeThinking) return;
17433 if (appData.debugMode)
17434 fprintf(debugFP, "Interrupting %s\n", cps->which);
17435 InterruptChildProcess(cps->pr);
17436 cps->maybeThinking = FALSE;
17441 #endif /*ATTENTION*/
17447 if (whiteTimeRemaining <= 0) {
17450 if (appData.icsActive) {
17451 if (appData.autoCallFlag &&
17452 gameMode == IcsPlayingBlack && !blackFlag) {
17453 SendToICS(ics_prefix);
17454 SendToICS("flag\n");
17458 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17460 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17461 if (appData.autoCallFlag) {
17462 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17469 if (blackTimeRemaining <= 0) {
17472 if (appData.icsActive) {
17473 if (appData.autoCallFlag &&
17474 gameMode == IcsPlayingWhite && !whiteFlag) {
17475 SendToICS(ics_prefix);
17476 SendToICS("flag\n");
17480 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17482 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17483 if (appData.autoCallFlag) {
17484 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17495 CheckTimeControl ()
17497 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17498 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17501 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17503 if ( !WhiteOnMove(forwardMostMove) ) {
17504 /* White made time control */
17505 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17506 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17507 /* [HGM] time odds: correct new time quota for time odds! */
17508 / WhitePlayer()->timeOdds;
17509 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17511 lastBlack -= blackTimeRemaining;
17512 /* Black made time control */
17513 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17514 / WhitePlayer()->other->timeOdds;
17515 lastWhite = whiteTimeRemaining;
17520 DisplayBothClocks ()
17522 int wom = gameMode == EditPosition ?
17523 !blackPlaysFirst : WhiteOnMove(currentMove);
17524 DisplayWhiteClock(whiteTimeRemaining, wom);
17525 DisplayBlackClock(blackTimeRemaining, !wom);
17529 /* Timekeeping seems to be a portability nightmare. I think everyone
17530 has ftime(), but I'm really not sure, so I'm including some ifdefs
17531 to use other calls if you don't. Clocks will be less accurate if
17532 you have neither ftime nor gettimeofday.
17535 /* VS 2008 requires the #include outside of the function */
17536 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17537 #include <sys/timeb.h>
17540 /* Get the current time as a TimeMark */
17542 GetTimeMark (TimeMark *tm)
17544 #if HAVE_GETTIMEOFDAY
17546 struct timeval timeVal;
17547 struct timezone timeZone;
17549 gettimeofday(&timeVal, &timeZone);
17550 tm->sec = (long) timeVal.tv_sec;
17551 tm->ms = (int) (timeVal.tv_usec / 1000L);
17553 #else /*!HAVE_GETTIMEOFDAY*/
17556 // include <sys/timeb.h> / moved to just above start of function
17557 struct timeb timeB;
17560 tm->sec = (long) timeB.time;
17561 tm->ms = (int) timeB.millitm;
17563 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17564 tm->sec = (long) time(NULL);
17570 /* Return the difference in milliseconds between two
17571 time marks. We assume the difference will fit in a long!
17574 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17576 return 1000L*(tm2->sec - tm1->sec) +
17577 (long) (tm2->ms - tm1->ms);
17582 * Code to manage the game clocks.
17584 * In tournament play, black starts the clock and then white makes a move.
17585 * We give the human user a slight advantage if he is playing white---the
17586 * clocks don't run until he makes his first move, so it takes zero time.
17587 * Also, we don't account for network lag, so we could get out of sync
17588 * with GNU Chess's clock -- but then, referees are always right.
17591 static TimeMark tickStartTM;
17592 static long intendedTickLength;
17595 NextTickLength (long timeRemaining)
17597 long nominalTickLength, nextTickLength;
17599 if (timeRemaining > 0L && timeRemaining <= 10000L)
17600 nominalTickLength = 100L;
17602 nominalTickLength = 1000L;
17603 nextTickLength = timeRemaining % nominalTickLength;
17604 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17606 return nextTickLength;
17609 /* Adjust clock one minute up or down */
17611 AdjustClock (Boolean which, int dir)
17613 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17614 if(which) blackTimeRemaining += 60000*dir;
17615 else whiteTimeRemaining += 60000*dir;
17616 DisplayBothClocks();
17617 adjustedClock = TRUE;
17620 /* Stop clocks and reset to a fresh time control */
17624 (void) StopClockTimer();
17625 if (appData.icsActive) {
17626 whiteTimeRemaining = blackTimeRemaining = 0;
17627 } else if (searchTime) {
17628 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17629 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17630 } else { /* [HGM] correct new time quote for time odds */
17631 whiteTC = blackTC = fullTimeControlString;
17632 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17633 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17635 if (whiteFlag || blackFlag) {
17637 whiteFlag = blackFlag = FALSE;
17639 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17640 DisplayBothClocks();
17641 adjustedClock = FALSE;
17644 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17646 /* Decrement running clock by amount of time that has passed */
17650 long timeRemaining;
17651 long lastTickLength, fudge;
17654 if (!appData.clockMode) return;
17655 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17659 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17661 /* Fudge if we woke up a little too soon */
17662 fudge = intendedTickLength - lastTickLength;
17663 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17665 if (WhiteOnMove(forwardMostMove)) {
17666 if(whiteNPS >= 0) lastTickLength = 0;
17667 timeRemaining = whiteTimeRemaining -= lastTickLength;
17668 if(timeRemaining < 0 && !appData.icsActive) {
17669 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17670 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17671 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17672 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17675 DisplayWhiteClock(whiteTimeRemaining - fudge,
17676 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17678 if(blackNPS >= 0) lastTickLength = 0;
17679 timeRemaining = blackTimeRemaining -= lastTickLength;
17680 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17681 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17683 blackStartMove = forwardMostMove;
17684 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17687 DisplayBlackClock(blackTimeRemaining - fudge,
17688 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17690 if (CheckFlags()) return;
17692 if(twoBoards) { // count down secondary board's clocks as well
17693 activePartnerTime -= lastTickLength;
17695 if(activePartner == 'W')
17696 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17698 DisplayBlackClock(activePartnerTime, TRUE);
17703 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17704 StartClockTimer(intendedTickLength);
17706 /* if the time remaining has fallen below the alarm threshold, sound the
17707 * alarm. if the alarm has sounded and (due to a takeback or time control
17708 * with increment) the time remaining has increased to a level above the
17709 * threshold, reset the alarm so it can sound again.
17712 if (appData.icsActive && appData.icsAlarm) {
17714 /* make sure we are dealing with the user's clock */
17715 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17716 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17719 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17720 alarmSounded = FALSE;
17721 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17723 alarmSounded = TRUE;
17729 /* A player has just moved, so stop the previously running
17730 clock and (if in clock mode) start the other one.
17731 We redisplay both clocks in case we're in ICS mode, because
17732 ICS gives us an update to both clocks after every move.
17733 Note that this routine is called *after* forwardMostMove
17734 is updated, so the last fractional tick must be subtracted
17735 from the color that is *not* on move now.
17738 SwitchClocks (int newMoveNr)
17740 long lastTickLength;
17742 int flagged = FALSE;
17746 if (StopClockTimer() && appData.clockMode) {
17747 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17748 if (!WhiteOnMove(forwardMostMove)) {
17749 if(blackNPS >= 0) lastTickLength = 0;
17750 blackTimeRemaining -= lastTickLength;
17751 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17752 // if(pvInfoList[forwardMostMove].time == -1)
17753 pvInfoList[forwardMostMove].time = // use GUI time
17754 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17756 if(whiteNPS >= 0) lastTickLength = 0;
17757 whiteTimeRemaining -= lastTickLength;
17758 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17759 // if(pvInfoList[forwardMostMove].time == -1)
17760 pvInfoList[forwardMostMove].time =
17761 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17763 flagged = CheckFlags();
17765 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17766 CheckTimeControl();
17768 if (flagged || !appData.clockMode) return;
17770 switch (gameMode) {
17771 case MachinePlaysBlack:
17772 case MachinePlaysWhite:
17773 case BeginningOfGame:
17774 if (pausing) return;
17778 case PlayFromGameFile:
17786 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17787 if(WhiteOnMove(forwardMostMove))
17788 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17789 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17793 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17794 whiteTimeRemaining : blackTimeRemaining);
17795 StartClockTimer(intendedTickLength);
17799 /* Stop both clocks */
17803 long lastTickLength;
17806 if (!StopClockTimer()) return;
17807 if (!appData.clockMode) return;
17811 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17812 if (WhiteOnMove(forwardMostMove)) {
17813 if(whiteNPS >= 0) lastTickLength = 0;
17814 whiteTimeRemaining -= lastTickLength;
17815 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17817 if(blackNPS >= 0) lastTickLength = 0;
17818 blackTimeRemaining -= lastTickLength;
17819 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17824 /* Start clock of player on move. Time may have been reset, so
17825 if clock is already running, stop and restart it. */
17829 (void) StopClockTimer(); /* in case it was running already */
17830 DisplayBothClocks();
17831 if (CheckFlags()) return;
17833 if (!appData.clockMode) return;
17834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17836 GetTimeMark(&tickStartTM);
17837 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17838 whiteTimeRemaining : blackTimeRemaining);
17840 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17841 whiteNPS = blackNPS = -1;
17842 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17843 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17844 whiteNPS = first.nps;
17845 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17846 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17847 blackNPS = first.nps;
17848 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17849 whiteNPS = second.nps;
17850 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17851 blackNPS = second.nps;
17852 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17854 StartClockTimer(intendedTickLength);
17858 TimeString (long ms)
17860 long second, minute, hour, day;
17862 static char buf[32];
17864 if (ms > 0 && ms <= 9900) {
17865 /* convert milliseconds to tenths, rounding up */
17866 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17868 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17872 /* convert milliseconds to seconds, rounding up */
17873 /* use floating point to avoid strangeness of integer division
17874 with negative dividends on many machines */
17875 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17882 day = second / (60 * 60 * 24);
17883 second = second % (60 * 60 * 24);
17884 hour = second / (60 * 60);
17885 second = second % (60 * 60);
17886 minute = second / 60;
17887 second = second % 60;
17890 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17891 sign, day, hour, minute, second);
17893 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17895 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17902 * This is necessary because some C libraries aren't ANSI C compliant yet.
17905 StrStr (char *string, char *match)
17909 length = strlen(match);
17911 for (i = strlen(string) - length; i >= 0; i--, string++)
17912 if (!strncmp(match, string, length))
17919 StrCaseStr (char *string, char *match)
17923 length = strlen(match);
17925 for (i = strlen(string) - length; i >= 0; i--, string++) {
17926 for (j = 0; j < length; j++) {
17927 if (ToLower(match[j]) != ToLower(string[j]))
17930 if (j == length) return string;
17938 StrCaseCmp (char *s1, char *s2)
17943 c1 = ToLower(*s1++);
17944 c2 = ToLower(*s2++);
17945 if (c1 > c2) return 1;
17946 if (c1 < c2) return -1;
17947 if (c1 == NULLCHAR) return 0;
17955 return isupper(c) ? tolower(c) : c;
17962 return islower(c) ? toupper(c) : c;
17964 #endif /* !_amigados */
17971 if ((ret = (char *) malloc(strlen(s) + 1)))
17973 safeStrCpy(ret, s, strlen(s)+1);
17979 StrSavePtr (char *s, char **savePtr)
17984 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17985 safeStrCpy(*savePtr, s, strlen(s)+1);
17997 clock = time((time_t *)NULL);
17998 tm = localtime(&clock);
17999 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18000 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18001 return StrSave(buf);
18006 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18008 int i, j, fromX, fromY, toX, toY;
18009 int whiteToPlay, haveRights = nrCastlingRights;
18015 whiteToPlay = (gameMode == EditPosition) ?
18016 !blackPlaysFirst : (move % 2 == 0);
18019 /* Piece placement data */
18020 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18021 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18023 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18024 if (boards[move][i][j] == EmptySquare) {
18026 } else { ChessSquare piece = boards[move][i][j];
18027 if (emptycount > 0) {
18028 if(emptycount<10) /* [HGM] can be >= 10 */
18029 *p++ = '0' + emptycount;
18030 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18033 if(PieceToChar(piece) == '+') {
18034 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18036 piece = (ChessSquare)(CHUDEMOTED(piece));
18038 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18039 if(*p = PieceSuffix(piece)) p++;
18041 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18042 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18047 if (emptycount > 0) {
18048 if(emptycount<10) /* [HGM] can be >= 10 */
18049 *p++ = '0' + emptycount;
18050 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18057 /* [HGM] print Crazyhouse or Shogi holdings */
18058 if( gameInfo.holdingsWidth ) {
18059 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18061 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18062 piece = boards[move][i][BOARD_WIDTH-1];
18063 if( piece != EmptySquare )
18064 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18065 *p++ = PieceToChar(piece);
18067 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18068 piece = boards[move][BOARD_HEIGHT-i-1][0];
18069 if( piece != EmptySquare )
18070 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18071 *p++ = PieceToChar(piece);
18074 if( q == p ) *p++ = '-';
18080 *p++ = whiteToPlay ? 'w' : 'b';
18083 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18084 haveRights = 0; q = p;
18085 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18086 piece = boards[move][0][i];
18087 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18088 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18091 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18092 piece = boards[move][BOARD_HEIGHT-1][i];
18093 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18094 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18097 if(p == q) *p++ = '-';
18101 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18102 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18105 int handW=0, handB=0;
18106 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18107 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18108 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18111 if(appData.fischerCastling) {
18112 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18113 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18114 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18116 /* [HGM] write directly from rights */
18117 if(boards[move][CASTLING][2] != NoRights &&
18118 boards[move][CASTLING][0] != NoRights )
18119 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18120 if(boards[move][CASTLING][2] != NoRights &&
18121 boards[move][CASTLING][1] != NoRights )
18122 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18125 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18126 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18128 if(boards[move][CASTLING][5] != NoRights &&
18129 boards[move][CASTLING][3] != NoRights )
18130 *p++ = boards[move][CASTLING][3] + AAA;
18131 if(boards[move][CASTLING][5] != NoRights &&
18132 boards[move][CASTLING][4] != NoRights )
18133 *p++ = boards[move][CASTLING][4] + AAA;
18137 /* [HGM] write true castling rights */
18138 if( nrCastlingRights == 6 ) {
18140 if(boards[move][CASTLING][0] != NoRights &&
18141 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18142 q = (boards[move][CASTLING][1] != NoRights &&
18143 boards[move][CASTLING][2] != NoRights );
18144 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18145 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18146 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18147 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18151 if(boards[move][CASTLING][3] != NoRights &&
18152 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18153 q = (boards[move][CASTLING][4] != NoRights &&
18154 boards[move][CASTLING][5] != NoRights );
18156 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18157 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18158 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18163 if (q == p) *p++ = '-'; /* No castling rights */
18167 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18168 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18169 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18170 /* En passant target square */
18171 if (move > backwardMostMove) {
18172 fromX = moveList[move - 1][0] - AAA;
18173 fromY = moveList[move - 1][1] - ONE;
18174 toX = moveList[move - 1][2] - AAA;
18175 toY = moveList[move - 1][3] - ONE;
18176 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18177 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18178 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18180 /* 2-square pawn move just happened */
18182 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18186 } else if(move == backwardMostMove) {
18187 // [HGM] perhaps we should always do it like this, and forget the above?
18188 if((signed char)boards[move][EP_STATUS] >= 0) {
18189 *p++ = boards[move][EP_STATUS] + AAA;
18190 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18202 { int i = 0, j=move;
18204 /* [HGM] find reversible plies */
18205 if (appData.debugMode) { int k;
18206 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18207 for(k=backwardMostMove; k<=forwardMostMove; k++)
18208 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18212 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18213 if( j == backwardMostMove ) i += initialRulePlies;
18214 sprintf(p, "%d ", i);
18215 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18217 /* Fullmove number */
18218 sprintf(p, "%d", (move / 2) + 1);
18219 } else *--p = NULLCHAR;
18221 return StrSave(buf);
18225 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18227 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18229 int emptycount, virgin[BOARD_FILES];
18230 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18234 /* Piece placement data */
18235 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18238 if (*p == '/' || *p == ' ' || *p == '[' ) {
18240 emptycount = gameInfo.boardWidth - j;
18241 while (emptycount--)
18242 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18243 if (*p == '/') p++;
18244 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18245 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18246 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18248 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18251 #if(BOARD_FILES >= 10)*0
18252 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18253 p++; emptycount=10;
18254 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18255 while (emptycount--)
18256 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18258 } else if (*p == '*') {
18259 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18260 } else if (isdigit(*p)) {
18261 emptycount = *p++ - '0';
18262 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18263 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18264 while (emptycount--)
18265 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18266 } else if (*p == '<') {
18267 if(i == BOARD_HEIGHT-1) shuffle = 1;
18268 else if (i != 0 || !shuffle) return FALSE;
18270 } else if (shuffle && *p == '>') {
18271 p++; // for now ignore closing shuffle range, and assume rank-end
18272 } else if (*p == '?') {
18273 if (j >= gameInfo.boardWidth) return FALSE;
18274 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18275 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18276 } else if (*p == '+' || isalpha(*p)) {
18277 char *q, *s = SUFFIXES;
18278 if (j >= gameInfo.boardWidth) return FALSE;
18281 if(q = strchr(s, p[1])) p++;
18282 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18283 if(piece == EmptySquare) return FALSE; /* unknown piece */
18284 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18285 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18288 if(q = strchr(s, *p)) p++;
18289 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18292 if(piece==EmptySquare) return FALSE; /* unknown piece */
18293 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18294 piece = (ChessSquare) (PROMOTED(piece));
18295 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18298 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18299 if(piece == king) wKingRank = i;
18300 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18306 while (*p == '/' || *p == ' ') p++;
18308 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18310 /* [HGM] by default clear Crazyhouse holdings, if present */
18311 if(gameInfo.holdingsWidth) {
18312 for(i=0; i<BOARD_HEIGHT; i++) {
18313 board[i][0] = EmptySquare; /* black holdings */
18314 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18315 board[i][1] = (ChessSquare) 0; /* black counts */
18316 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18320 /* [HGM] look for Crazyhouse holdings here */
18321 while(*p==' ') p++;
18322 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18323 int swap=0, wcnt=0, bcnt=0;
18325 if(*p == '<') swap++, p++;
18326 if(*p == '-' ) p++; /* empty holdings */ else {
18327 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18328 /* if we would allow FEN reading to set board size, we would */
18329 /* have to add holdings and shift the board read so far here */
18330 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18332 if((int) piece >= (int) BlackPawn ) {
18333 i = (int)piece - (int)BlackPawn;
18334 i = PieceToNumber((ChessSquare)i);
18335 if( i >= gameInfo.holdingsSize ) return FALSE;
18336 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18337 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18340 i = (int)piece - (int)WhitePawn;
18341 i = PieceToNumber((ChessSquare)i);
18342 if( i >= gameInfo.holdingsSize ) return FALSE;
18343 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18344 board[i][BOARD_WIDTH-2]++; /* black holdings */
18348 if(subst) { // substitute back-rank question marks by holdings pieces
18349 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18350 int k, m, n = bcnt + 1;
18351 if(board[0][j] == ClearBoard) {
18352 if(!wcnt) return FALSE;
18354 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18355 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18356 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18360 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18361 if(!bcnt) return FALSE;
18362 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18363 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18364 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18365 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18376 if(subst) return FALSE; // substitution requested, but no holdings
18378 while(*p == ' ') p++;
18382 if(appData.colorNickNames) {
18383 if( c == appData.colorNickNames[0] ) c = 'w'; else
18384 if( c == appData.colorNickNames[1] ) c = 'b';
18388 *blackPlaysFirst = FALSE;
18391 *blackPlaysFirst = TRUE;
18397 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18398 /* return the extra info in global variiables */
18400 while(*p==' ') p++;
18402 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18403 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18404 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18407 /* set defaults in case FEN is incomplete */
18408 board[EP_STATUS] = EP_UNKNOWN;
18409 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18410 for(i=0; i<nrCastlingRights; i++ ) {
18411 board[CASTLING][i] =
18412 appData.fischerCastling ? NoRights : initialRights[i];
18413 } /* assume possible unless obviously impossible */
18414 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18415 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18416 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18417 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18418 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18419 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18420 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18421 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18424 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18427 while(isalpha(*p)) {
18428 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18429 if(islower(*p)) b |= 1 << (*p++ - 'a');
18433 board[TOUCHED_W] = ~w;
18434 board[TOUCHED_B] = ~b;
18435 while(*p == ' ') p++;
18439 if(nrCastlingRights) {
18441 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18442 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18443 /* castling indicator present, so default becomes no castlings */
18444 for(i=0; i<nrCastlingRights; i++ ) {
18445 board[CASTLING][i] = NoRights;
18448 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18449 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18450 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18451 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18452 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18454 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18455 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18456 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18458 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18459 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18460 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18461 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18462 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18463 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18466 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18467 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18468 board[CASTLING][2] = whiteKingFile;
18469 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18470 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18471 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18474 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18475 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18476 board[CASTLING][2] = whiteKingFile;
18477 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18478 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18479 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18482 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18483 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18484 board[CASTLING][5] = blackKingFile;
18485 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18486 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18487 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18490 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18491 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18492 board[CASTLING][5] = blackKingFile;
18493 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18494 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18495 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18498 default: /* FRC castlings */
18499 if(c >= 'a') { /* black rights */
18500 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18501 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18502 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18503 if(i == BOARD_RGHT) break;
18504 board[CASTLING][5] = i;
18506 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18507 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18509 board[CASTLING][3] = c;
18511 board[CASTLING][4] = c;
18512 } else { /* white rights */
18513 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18514 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18515 if(board[0][i] == WhiteKing) break;
18516 if(i == BOARD_RGHT) break;
18517 board[CASTLING][2] = i;
18518 c -= AAA - 'a' + 'A';
18519 if(board[0][c] >= WhiteKing) break;
18521 board[CASTLING][0] = c;
18523 board[CASTLING][1] = c;
18527 for(i=0; i<nrCastlingRights; i++)
18528 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18529 if(gameInfo.variant == VariantSChess)
18530 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18531 if(fischer && shuffle) appData.fischerCastling = TRUE;
18532 if (appData.debugMode) {
18533 fprintf(debugFP, "FEN castling rights:");
18534 for(i=0; i<nrCastlingRights; i++)
18535 fprintf(debugFP, " %d", board[CASTLING][i]);
18536 fprintf(debugFP, "\n");
18539 while(*p==' ') p++;
18542 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18544 /* read e.p. field in games that know e.p. capture */
18545 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18546 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18547 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18549 p++; board[EP_STATUS] = EP_NONE;
18551 char c = *p++ - AAA;
18553 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18554 if(*p >= '0' && *p <='9') p++;
18555 board[EP_STATUS] = c;
18560 if(sscanf(p, "%d", &i) == 1) {
18561 FENrulePlies = i; /* 50-move ply counter */
18562 /* (The move number is still ignored) */
18569 EditPositionPasteFEN (char *fen)
18572 Board initial_position;
18574 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18575 DisplayError(_("Bad FEN position in clipboard"), 0);
18578 int savedBlackPlaysFirst = blackPlaysFirst;
18579 EditPositionEvent();
18580 blackPlaysFirst = savedBlackPlaysFirst;
18581 CopyBoard(boards[0], initial_position);
18582 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18583 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18584 DisplayBothClocks();
18585 DrawPosition(FALSE, boards[currentMove]);
18590 static char cseq[12] = "\\ ";
18593 set_cont_sequence (char *new_seq)
18598 // handle bad attempts to set the sequence
18600 return 0; // acceptable error - no debug
18602 len = strlen(new_seq);
18603 ret = (len > 0) && (len < sizeof(cseq));
18605 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18606 else if (appData.debugMode)
18607 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18612 reformat a source message so words don't cross the width boundary. internal
18613 newlines are not removed. returns the wrapped size (no null character unless
18614 included in source message). If dest is NULL, only calculate the size required
18615 for the dest buffer. lp argument indicats line position upon entry, and it's
18616 passed back upon exit.
18619 wrap (char *dest, char *src, int count, int width, int *lp)
18621 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18623 cseq_len = strlen(cseq);
18624 old_line = line = *lp;
18625 ansi = len = clen = 0;
18627 for (i=0; i < count; i++)
18629 if (src[i] == '\033')
18632 // if we hit the width, back up
18633 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18635 // store i & len in case the word is too long
18636 old_i = i, old_len = len;
18638 // find the end of the last word
18639 while (i && src[i] != ' ' && src[i] != '\n')
18645 // word too long? restore i & len before splitting it
18646 if ((old_i-i+clen) >= width)
18653 if (i && src[i-1] == ' ')
18656 if (src[i] != ' ' && src[i] != '\n')
18663 // now append the newline and continuation sequence
18668 strncpy(dest+len, cseq, cseq_len);
18676 dest[len] = src[i];
18680 if (src[i] == '\n')
18685 if (dest && appData.debugMode)
18687 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18688 count, width, line, len, *lp);
18689 show_bytes(debugFP, src, count);
18690 fprintf(debugFP, "\ndest: ");
18691 show_bytes(debugFP, dest, len);
18692 fprintf(debugFP, "\n");
18694 *lp = dest ? line : old_line;
18699 // [HGM] vari: routines for shelving variations
18700 Boolean modeRestore = FALSE;
18703 PushInner (int firstMove, int lastMove)
18705 int i, j, nrMoves = lastMove - firstMove;
18707 // push current tail of game on stack
18708 savedResult[storedGames] = gameInfo.result;
18709 savedDetails[storedGames] = gameInfo.resultDetails;
18710 gameInfo.resultDetails = NULL;
18711 savedFirst[storedGames] = firstMove;
18712 savedLast [storedGames] = lastMove;
18713 savedFramePtr[storedGames] = framePtr;
18714 framePtr -= nrMoves; // reserve space for the boards
18715 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18716 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18717 for(j=0; j<MOVE_LEN; j++)
18718 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18719 for(j=0; j<2*MOVE_LEN; j++)
18720 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18721 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18722 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18723 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18724 pvInfoList[firstMove+i-1].depth = 0;
18725 commentList[framePtr+i] = commentList[firstMove+i];
18726 commentList[firstMove+i] = NULL;
18730 forwardMostMove = firstMove; // truncate game so we can start variation
18734 PushTail (int firstMove, int lastMove)
18736 if(appData.icsActive) { // only in local mode
18737 forwardMostMove = currentMove; // mimic old ICS behavior
18740 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18742 PushInner(firstMove, lastMove);
18743 if(storedGames == 1) GreyRevert(FALSE);
18744 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18748 PopInner (Boolean annotate)
18751 char buf[8000], moveBuf[20];
18753 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18754 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18755 nrMoves = savedLast[storedGames] - currentMove;
18758 if(!WhiteOnMove(currentMove))
18759 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18760 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18761 for(i=currentMove; i<forwardMostMove; i++) {
18763 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18764 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18765 strcat(buf, moveBuf);
18766 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18767 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18771 for(i=1; i<=nrMoves; i++) { // copy last variation back
18772 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18773 for(j=0; j<MOVE_LEN; j++)
18774 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18775 for(j=0; j<2*MOVE_LEN; j++)
18776 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18777 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18778 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18779 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18780 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18781 commentList[currentMove+i] = commentList[framePtr+i];
18782 commentList[framePtr+i] = NULL;
18784 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18785 framePtr = savedFramePtr[storedGames];
18786 gameInfo.result = savedResult[storedGames];
18787 if(gameInfo.resultDetails != NULL) {
18788 free(gameInfo.resultDetails);
18790 gameInfo.resultDetails = savedDetails[storedGames];
18791 forwardMostMove = currentMove + nrMoves;
18795 PopTail (Boolean annotate)
18797 if(appData.icsActive) return FALSE; // only in local mode
18798 if(!storedGames) return FALSE; // sanity
18799 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18801 PopInner(annotate);
18802 if(currentMove < forwardMostMove) ForwardEvent(); else
18803 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18805 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18811 { // remove all shelved variations
18813 for(i=0; i<storedGames; i++) {
18814 if(savedDetails[i])
18815 free(savedDetails[i]);
18816 savedDetails[i] = NULL;
18818 for(i=framePtr; i<MAX_MOVES; i++) {
18819 if(commentList[i]) free(commentList[i]);
18820 commentList[i] = NULL;
18822 framePtr = MAX_MOVES-1;
18827 LoadVariation (int index, char *text)
18828 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18829 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18830 int level = 0, move;
18832 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18833 // first find outermost bracketing variation
18834 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18835 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18836 if(*p == '{') wait = '}'; else
18837 if(*p == '[') wait = ']'; else
18838 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18839 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18841 if(*p == wait) wait = NULLCHAR; // closing ]} found
18844 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18845 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18846 end[1] = NULLCHAR; // clip off comment beyond variation
18847 ToNrEvent(currentMove-1);
18848 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18849 // kludge: use ParsePV() to append variation to game
18850 move = currentMove;
18851 ParsePV(start, TRUE, TRUE);
18852 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18853 ClearPremoveHighlights();
18855 ToNrEvent(currentMove+1);
18861 char *p, *q, buf[MSG_SIZ];
18862 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18863 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18864 ParseArgsFromString(buf);
18865 ActivateTheme(TRUE); // also redo colors
18869 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18872 q = appData.themeNames;
18873 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18874 if(appData.useBitmaps) {
18875 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18876 appData.liteBackTextureFile, appData.darkBackTextureFile,
18877 appData.liteBackTextureMode,
18878 appData.darkBackTextureMode );
18880 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18881 Col2Text(2), // lightSquareColor
18882 Col2Text(3) ); // darkSquareColor
18884 if(appData.useBorder) {
18885 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18888 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18890 if(appData.useFont) {
18891 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18892 appData.renderPiecesWithFont,
18893 appData.fontToPieceTable,
18894 Col2Text(9), // appData.fontBackColorWhite
18895 Col2Text(10) ); // appData.fontForeColorBlack
18897 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18898 appData.pieceDirectory);
18899 if(!appData.pieceDirectory[0])
18900 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18901 Col2Text(0), // whitePieceColor
18902 Col2Text(1) ); // blackPieceColor
18904 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18905 Col2Text(4), // highlightSquareColor
18906 Col2Text(5) ); // premoveHighlightColor
18907 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18908 if(insert != q) insert[-1] = NULLCHAR;
18909 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18912 ActivateTheme(FALSE);