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 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 */
300 /* States for ics_getting_history */
302 #define H_REQUESTED 1
303 #define H_GOT_REQ_HEADER 2
304 #define H_GOT_UNREQ_HEADER 3
305 #define H_GETTING_MOVES 4
306 #define H_GOT_UNWANTED_HEADER 5
308 /* whosays values for GameEnds */
317 /* Maximum number of games in a cmail message */
318 #define CMAIL_MAX_GAMES 20
320 /* Different types of move when calling RegisterMove */
322 #define CMAIL_RESIGN 1
324 #define CMAIL_ACCEPT 3
326 /* Different types of result to remember for each game */
327 #define CMAIL_NOT_RESULT 0
328 #define CMAIL_OLD_RESULT 1
329 #define CMAIL_NEW_RESULT 2
331 /* Telnet protocol constants */
342 safeStrCpy (char *dst, const char *src, size_t count)
345 assert( dst != NULL );
346 assert( src != NULL );
349 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
350 if( i == count && dst[count-1] != NULLCHAR)
352 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
353 if(appData.debugMode)
354 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
360 /* Some compiler can't cast u64 to double
361 * This function do the job for us:
363 * We use the highest bit for cast, this only
364 * works if the highest bit is not
365 * in use (This should not happen)
367 * We used this for all compiler
370 u64ToDouble (u64 value)
373 u64 tmp = value & u64Const(0x7fffffffffffffff);
374 r = (double)(s64)tmp;
375 if (value & u64Const(0x8000000000000000))
376 r += 9.2233720368547758080e18; /* 2^63 */
380 /* Fake up flags for now, as we aren't keeping track of castling
381 availability yet. [HGM] Change of logic: the flag now only
382 indicates the type of castlings allowed by the rule of the game.
383 The actual rights themselves are maintained in the array
384 castlingRights, as part of the game history, and are not probed
390 int flags = F_ALL_CASTLE_OK;
391 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
392 switch (gameInfo.variant) {
394 flags &= ~F_ALL_CASTLE_OK;
395 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
396 flags |= F_IGNORE_CHECK;
398 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
401 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
403 case VariantKriegspiel:
404 flags |= F_KRIEGSPIEL_CAPTURE;
406 case VariantCapaRandom:
407 case VariantFischeRandom:
408 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
409 case VariantNoCastle:
410 case VariantShatranj:
415 flags &= ~F_ALL_CASTLE_OK;
418 case VariantChuChess:
420 flags |= F_NULL_MOVE;
425 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
429 FILE *gameFileFP, *debugFP, *serverFP;
430 char *currentDebugFile; // [HGM] debug split: to remember name
433 [AS] Note: sometimes, the sscanf() function is used to parse the input
434 into a fixed-size buffer. Because of this, we must be prepared to
435 receive strings as long as the size of the input buffer, which is currently
436 set to 4K for Windows and 8K for the rest.
437 So, we must either allocate sufficiently large buffers here, or
438 reduce the size of the input buffer in the input reading part.
441 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
442 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
443 char thinkOutput1[MSG_SIZ*10];
445 ChessProgramState first, second, pairing;
447 /* premove variables */
450 int premoveFromX = 0;
451 int premoveFromY = 0;
452 int premovePromoChar = 0;
454 Boolean alarmSounded;
455 /* end premove variables */
457 char *ics_prefix = "$";
458 enum ICS_TYPE ics_type = ICS_GENERIC;
460 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
461 int pauseExamForwardMostMove = 0;
462 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
463 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
464 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
465 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
466 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
467 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
468 int whiteFlag = FALSE, blackFlag = FALSE;
469 int userOfferedDraw = FALSE;
470 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
471 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
472 int cmailMoveType[CMAIL_MAX_GAMES];
473 long ics_clock_paused = 0;
474 ProcRef icsPR = NoProc, cmailPR = NoProc;
475 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
476 GameMode gameMode = BeginningOfGame;
477 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
478 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
479 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
480 int hiddenThinkOutputState = 0; /* [AS] */
481 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
482 int adjudicateLossPlies = 6;
483 char white_holding[64], black_holding[64];
484 TimeMark lastNodeCountTime;
485 long lastNodeCount=0;
486 int shiftKey, controlKey; // [HGM] set by mouse handler
488 int have_sent_ICS_logon = 0;
490 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
491 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
492 Boolean adjustedClock;
493 long timeControl_2; /* [AS] Allow separate time controls */
494 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
495 long timeRemaining[2][MAX_MOVES];
496 int matchGame = 0, nextGame = 0, roundNr = 0;
497 Boolean waitingForGame = FALSE, startingEngine = FALSE;
498 TimeMark programStartTime, pauseStart;
499 char ics_handle[MSG_SIZ];
500 int have_set_title = 0;
502 /* animateTraining preserves the state of appData.animate
503 * when Training mode is activated. This allows the
504 * response to be animated when appData.animate == TRUE and
505 * appData.animateDragging == TRUE.
507 Boolean animateTraining;
513 Board boards[MAX_MOVES];
514 /* [HGM] Following 7 needed for accurate legality tests: */
515 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
516 signed char initialRights[BOARD_FILES];
517 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
518 int initialRulePlies, FENrulePlies;
519 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
521 Boolean shuffleOpenings;
522 int mute; // mute all sounds
524 // [HGM] vari: next 12 to save and restore variations
525 #define MAX_VARIATIONS 10
526 int framePtr = MAX_MOVES-1; // points to free stack entry
528 int savedFirst[MAX_VARIATIONS];
529 int savedLast[MAX_VARIATIONS];
530 int savedFramePtr[MAX_VARIATIONS];
531 char *savedDetails[MAX_VARIATIONS];
532 ChessMove savedResult[MAX_VARIATIONS];
534 void PushTail P((int firstMove, int lastMove));
535 Boolean PopTail P((Boolean annotate));
536 void PushInner P((int firstMove, int lastMove));
537 void PopInner P((Boolean annotate));
538 void CleanupTail P((void));
540 ChessSquare FIDEArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
544 BlackKing, BlackBishop, BlackKnight, BlackRook }
547 ChessSquare twoKingsArray[2][BOARD_FILES] = {
548 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
549 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
551 BlackKing, BlackKing, BlackKnight, BlackRook }
554 ChessSquare KnightmateArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
556 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
557 { BlackRook, BlackMan, BlackBishop, BlackQueen,
558 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
561 ChessSquare SpartanArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
563 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
565 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
568 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
569 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
570 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
571 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
572 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
575 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
576 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
577 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
579 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
582 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
583 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
584 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
585 { BlackRook, BlackKnight, BlackMan, BlackFerz,
586 BlackKing, BlackMan, BlackKnight, BlackRook }
589 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
590 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
591 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
592 { BlackRook, BlackKnight, BlackMan, BlackFerz,
593 BlackKing, BlackMan, BlackKnight, BlackRook }
596 ChessSquare lionArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
598 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackLion, BlackBishop, BlackQueen,
600 BlackKing, BlackBishop, BlackKnight, BlackRook }
604 #if (BOARD_FILES>=10)
605 ChessSquare ShogiArray[2][BOARD_FILES] = {
606 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
607 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
608 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
609 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
612 ChessSquare XiangqiArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
614 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
616 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
619 ChessSquare CapablancaArray[2][BOARD_FILES] = {
620 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
621 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
622 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
623 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
626 ChessSquare GreatArray[2][BOARD_FILES] = {
627 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
628 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
629 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
630 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
633 ChessSquare JanusArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
635 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
636 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
637 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
640 ChessSquare GrandArray[2][BOARD_FILES] = {
641 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
642 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
643 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
644 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
647 ChessSquare ChuChessArray[2][BOARD_FILES] = {
648 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
649 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
650 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
651 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
655 ChessSquare GothicArray[2][BOARD_FILES] = {
656 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
657 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
658 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
659 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
662 #define GothicArray CapablancaArray
666 ChessSquare FalconArray[2][BOARD_FILES] = {
667 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
668 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
669 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
670 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
673 #define FalconArray CapablancaArray
676 #else // !(BOARD_FILES>=10)
677 #define XiangqiPosition FIDEArray
678 #define CapablancaArray FIDEArray
679 #define GothicArray FIDEArray
680 #define GreatArray FIDEArray
681 #endif // !(BOARD_FILES>=10)
683 #if (BOARD_FILES>=12)
684 ChessSquare CourierArray[2][BOARD_FILES] = {
685 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
686 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
687 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
688 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
690 ChessSquare ChuArray[6][BOARD_FILES] = {
691 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
692 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
693 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
694 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
695 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
696 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
697 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
698 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
699 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
700 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
701 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
702 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
704 #else // !(BOARD_FILES>=12)
705 #define CourierArray CapablancaArray
706 #define ChuArray CapablancaArray
707 #endif // !(BOARD_FILES>=12)
710 Board initialPosition;
713 /* Convert str to a rating. Checks for special cases of "----",
715 "++++", etc. Also strips ()'s */
717 string_to_rating (char *str)
719 while(*str && !isdigit(*str)) ++str;
721 return 0; /* One of the special "no rating" cases */
729 /* Init programStats */
730 programStats.movelist[0] = 0;
731 programStats.depth = 0;
732 programStats.nr_moves = 0;
733 programStats.moves_left = 0;
734 programStats.nodes = 0;
735 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
736 programStats.score = 0;
737 programStats.got_only_move = 0;
738 programStats.got_fail = 0;
739 programStats.line_is_book = 0;
744 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
745 if (appData.firstPlaysBlack) {
746 first.twoMachinesColor = "black\n";
747 second.twoMachinesColor = "white\n";
749 first.twoMachinesColor = "white\n";
750 second.twoMachinesColor = "black\n";
753 first.other = &second;
754 second.other = &first;
757 if(appData.timeOddsMode) {
758 norm = appData.timeOdds[0];
759 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
761 first.timeOdds = appData.timeOdds[0]/norm;
762 second.timeOdds = appData.timeOdds[1]/norm;
765 if(programVersion) free(programVersion);
766 if (appData.noChessProgram) {
767 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
768 sprintf(programVersion, "%s", PACKAGE_STRING);
770 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
771 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
772 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
777 UnloadEngine (ChessProgramState *cps)
779 /* Kill off first chess program */
780 if (cps->isr != NULL)
781 RemoveInputSource(cps->isr);
784 if (cps->pr != NoProc) {
786 DoSleep( appData.delayBeforeQuit );
787 SendToProgram("quit\n", cps);
788 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
791 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
795 ClearOptions (ChessProgramState *cps)
798 cps->nrOptions = cps->comboCnt = 0;
799 for(i=0; i<MAX_OPTIONS; i++) {
800 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
801 cps->option[i].textValue = 0;
805 char *engineNames[] = {
806 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
807 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 /* TRANSLATORS: "second" is the second 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 */
815 InitEngine (ChessProgramState *cps, int n)
816 { // [HGM] all engine initialiation put in a function that does one engine
820 cps->which = engineNames[n];
821 cps->maybeThinking = FALSE;
825 cps->sendDrawOffers = 1;
827 cps->program = appData.chessProgram[n];
828 cps->host = appData.host[n];
829 cps->dir = appData.directory[n];
830 cps->initString = appData.engInitString[n];
831 cps->computerString = appData.computerString[n];
832 cps->useSigint = TRUE;
833 cps->useSigterm = TRUE;
834 cps->reuse = appData.reuse[n];
835 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
836 cps->useSetboard = FALSE;
838 cps->usePing = FALSE;
841 cps->usePlayother = FALSE;
842 cps->useColors = TRUE;
843 cps->useUsermove = FALSE;
844 cps->sendICS = FALSE;
845 cps->sendName = appData.icsActive;
846 cps->sdKludge = FALSE;
847 cps->stKludge = FALSE;
848 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
849 TidyProgramName(cps->program, cps->host, cps->tidy);
851 ASSIGN(cps->variants, appData.variant);
852 cps->analysisSupport = 2; /* detect */
853 cps->analyzing = FALSE;
854 cps->initDone = FALSE;
856 cps->pseudo = appData.pseudo[n];
858 /* New features added by Tord: */
859 cps->useFEN960 = FALSE;
860 cps->useOOCastle = TRUE;
861 /* End of new features added by Tord. */
862 cps->fenOverride = appData.fenOverride[n];
864 /* [HGM] time odds: set factor for each machine */
865 cps->timeOdds = appData.timeOdds[n];
867 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
868 cps->accumulateTC = appData.accumulateTC[n];
869 cps->maxNrOfSessions = 1;
874 cps->drawDepth = appData.drawDepth[n];
875 cps->supportsNPS = UNKNOWN;
876 cps->memSize = FALSE;
877 cps->maxCores = FALSE;
878 ASSIGN(cps->egtFormats, "");
881 cps->optionSettings = appData.engOptions[n];
883 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
884 cps->isUCI = appData.isUCI[n]; /* [AS] */
885 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
888 if (appData.protocolVersion[n] > PROTOVER
889 || appData.protocolVersion[n] < 1)
894 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
895 appData.protocolVersion[n]);
896 if( (len >= MSG_SIZ) && appData.debugMode )
897 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
899 DisplayFatalError(buf, 0, 2);
903 cps->protocolVersion = appData.protocolVersion[n];
906 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
907 ParseFeatures(appData.featureDefaults, cps);
910 ChessProgramState *savCps;
918 if(WaitForEngine(savCps, LoadEngine)) return;
919 CommonEngineInit(); // recalculate time odds
920 if(gameInfo.variant != StringToVariant(appData.variant)) {
921 // we changed variant when loading the engine; this forces us to reset
922 Reset(TRUE, savCps != &first);
923 oldMode = BeginningOfGame; // to prevent restoring old mode
925 InitChessProgram(savCps, FALSE);
926 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
927 DisplayMessage("", "");
928 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
929 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
932 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
936 ReplaceEngine (ChessProgramState *cps, int n)
938 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
940 if(oldMode != BeginningOfGame) EditGameEvent();
943 appData.noChessProgram = FALSE;
944 appData.clockMode = TRUE;
947 if(n) return; // only startup first engine immediately; second can wait
948 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
952 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
953 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
955 static char resetOptions[] =
956 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
957 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
958 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
959 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
962 FloatToFront(char **list, char *engineLine)
964 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
966 if(appData.recentEngines <= 0) return;
967 TidyProgramName(engineLine, "localhost", tidy+1);
968 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
969 strncpy(buf+1, *list, MSG_SIZ-50);
970 if(p = strstr(buf, tidy)) { // tidy name appears in list
971 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
972 while(*p++ = *++q); // squeeze out
974 strcat(tidy, buf+1); // put list behind tidy name
975 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
976 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
977 ASSIGN(*list, tidy+1);
980 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
983 Load (ChessProgramState *cps, int i)
985 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
986 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
987 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
988 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
989 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
990 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
991 appData.firstProtocolVersion = PROTOVER;
992 ParseArgsFromString(buf);
994 ReplaceEngine(cps, i);
995 FloatToFront(&appData.recentEngineList, engineLine);
999 while(q = strchr(p, SLASH)) p = q+1;
1000 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1001 if(engineDir[0] != NULLCHAR) {
1002 ASSIGN(appData.directory[i], engineDir); p = engineName;
1003 } else if(p != engineName) { // derive directory from engine path, when not given
1005 ASSIGN(appData.directory[i], engineName);
1007 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1008 } else { ASSIGN(appData.directory[i], "."); }
1009 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1011 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1012 snprintf(command, MSG_SIZ, "%s %s", p, params);
1015 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1016 ASSIGN(appData.chessProgram[i], p);
1017 appData.isUCI[i] = isUCI;
1018 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1019 appData.hasOwnBookUCI[i] = hasBook;
1020 if(!nickName[0]) useNick = FALSE;
1021 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1025 q = firstChessProgramNames;
1026 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1027 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1028 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1029 quote, p, quote, appData.directory[i],
1030 useNick ? " -fn \"" : "",
1031 useNick ? nickName : "",
1032 useNick ? "\"" : "",
1033 v1 ? " -firstProtocolVersion 1" : "",
1034 hasBook ? "" : " -fNoOwnBookUCI",
1035 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1036 storeVariant ? " -variant " : "",
1037 storeVariant ? VariantName(gameInfo.variant) : "");
1038 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1039 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1040 if(insert != q) insert[-1] = NULLCHAR;
1041 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1043 FloatToFront(&appData.recentEngineList, buf);
1045 ReplaceEngine(cps, i);
1051 int matched, min, sec;
1053 * Parse timeControl resource
1055 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1056 appData.movesPerSession)) {
1058 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1059 DisplayFatalError(buf, 0, 2);
1063 * Parse searchTime resource
1065 if (*appData.searchTime != NULLCHAR) {
1066 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1068 searchTime = min * 60;
1069 } else if (matched == 2) {
1070 searchTime = min * 60 + sec;
1073 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1074 DisplayFatalError(buf, 0, 2);
1083 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1084 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1086 GetTimeMark(&programStartTime);
1087 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1088 appData.seedBase = random() + (random()<<15);
1089 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1091 ClearProgramStats();
1092 programStats.ok_to_send = 1;
1093 programStats.seen_stat = 0;
1096 * Initialize game list
1102 * Internet chess server status
1104 if (appData.icsActive) {
1105 appData.matchMode = FALSE;
1106 appData.matchGames = 0;
1108 appData.noChessProgram = !appData.zippyPlay;
1110 appData.zippyPlay = FALSE;
1111 appData.zippyTalk = FALSE;
1112 appData.noChessProgram = TRUE;
1114 if (*appData.icsHelper != NULLCHAR) {
1115 appData.useTelnet = TRUE;
1116 appData.telnetProgram = appData.icsHelper;
1119 appData.zippyTalk = appData.zippyPlay = FALSE;
1122 /* [AS] Initialize pv info list [HGM] and game state */
1126 for( i=0; i<=framePtr; i++ ) {
1127 pvInfoList[i].depth = -1;
1128 boards[i][EP_STATUS] = EP_NONE;
1129 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1135 /* [AS] Adjudication threshold */
1136 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1138 InitEngine(&first, 0);
1139 InitEngine(&second, 1);
1142 pairing.which = "pairing"; // pairing engine
1143 pairing.pr = NoProc;
1145 pairing.program = appData.pairingEngine;
1146 pairing.host = "localhost";
1149 if (appData.icsActive) {
1150 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1151 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1152 appData.clockMode = FALSE;
1153 first.sendTime = second.sendTime = 0;
1157 /* Override some settings from environment variables, for backward
1158 compatibility. Unfortunately it's not feasible to have the env
1159 vars just set defaults, at least in xboard. Ugh.
1161 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1166 if (!appData.icsActive) {
1170 /* Check for variants that are supported only in ICS mode,
1171 or not at all. Some that are accepted here nevertheless
1172 have bugs; see comments below.
1174 VariantClass variant = StringToVariant(appData.variant);
1176 case VariantBughouse: /* need four players and two boards */
1177 case VariantKriegspiel: /* need to hide pieces and move details */
1178 /* case VariantFischeRandom: (Fabien: moved below) */
1179 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1180 if( (len >= MSG_SIZ) && appData.debugMode )
1181 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1183 DisplayFatalError(buf, 0, 2);
1186 case VariantUnknown:
1187 case VariantLoadable:
1197 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1198 if( (len >= MSG_SIZ) && appData.debugMode )
1199 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1201 DisplayFatalError(buf, 0, 2);
1204 case VariantNormal: /* definitely works! */
1205 if(strcmp(appData.variant, "normal") && appData.chessProgram) { // [HGM] hope this is an engine-defined variant
1206 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1209 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1210 case VariantFairy: /* [HGM] TestLegality definitely off! */
1211 case VariantGothic: /* [HGM] should work */
1212 case VariantCapablanca: /* [HGM] should work */
1213 case VariantCourier: /* [HGM] initial forced moves not implemented */
1214 case VariantShogi: /* [HGM] could still mate with pawn drop */
1215 case VariantChu: /* [HGM] experimental */
1216 case VariantKnightmate: /* [HGM] should work */
1217 case VariantCylinder: /* [HGM] untested */
1218 case VariantFalcon: /* [HGM] untested */
1219 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1220 offboard interposition not understood */
1221 case VariantWildCastle: /* pieces not automatically shuffled */
1222 case VariantNoCastle: /* pieces not automatically shuffled */
1223 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1224 case VariantLosers: /* should work except for win condition,
1225 and doesn't know captures are mandatory */
1226 case VariantSuicide: /* should work except for win condition,
1227 and doesn't know captures are mandatory */
1228 case VariantGiveaway: /* should work except for win condition,
1229 and doesn't know captures are mandatory */
1230 case VariantTwoKings: /* should work */
1231 case VariantAtomic: /* should work except for win condition */
1232 case Variant3Check: /* should work except for win condition */
1233 case VariantShatranj: /* should work except for all win conditions */
1234 case VariantMakruk: /* should work except for draw countdown */
1235 case VariantASEAN : /* should work except for draw countdown */
1236 case VariantBerolina: /* might work if TestLegality is off */
1237 case VariantCapaRandom: /* should work */
1238 case VariantJanus: /* should work */
1239 case VariantSuper: /* experimental */
1240 case VariantGreat: /* experimental, requires legality testing to be off */
1241 case VariantSChess: /* S-Chess, should work */
1242 case VariantGrand: /* should work */
1243 case VariantSpartan: /* should work */
1244 case VariantLion: /* should work */
1245 case VariantChuChess: /* should work */
1253 NextIntegerFromString (char ** str, long * value)
1258 while( *s == ' ' || *s == '\t' ) {
1264 if( *s >= '0' && *s <= '9' ) {
1265 while( *s >= '0' && *s <= '9' ) {
1266 *value = *value * 10 + (*s - '0');
1279 NextTimeControlFromString (char ** str, long * value)
1282 int result = NextIntegerFromString( str, &temp );
1285 *value = temp * 60; /* Minutes */
1286 if( **str == ':' ) {
1288 result = NextIntegerFromString( str, &temp );
1289 *value += temp; /* Seconds */
1297 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1298 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1299 int result = -1, type = 0; long temp, temp2;
1301 if(**str != ':') return -1; // old params remain in force!
1303 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1304 if( NextIntegerFromString( str, &temp ) ) return -1;
1305 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1308 /* time only: incremental or sudden-death time control */
1309 if(**str == '+') { /* increment follows; read it */
1311 if(**str == '!') type = *(*str)++; // Bronstein TC
1312 if(result = NextIntegerFromString( str, &temp2)) return -1;
1313 *inc = temp2 * 1000;
1314 if(**str == '.') { // read fraction of increment
1315 char *start = ++(*str);
1316 if(result = NextIntegerFromString( str, &temp2)) return -1;
1318 while(start++ < *str) temp2 /= 10;
1322 *moves = 0; *tc = temp * 1000; *incType = type;
1326 (*str)++; /* classical time control */
1327 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1339 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1340 { /* [HGM] get time to add from the multi-session time-control string */
1341 int incType, moves=1; /* kludge to force reading of first session */
1342 long time, increment;
1345 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1347 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1348 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1349 if(movenr == -1) return time; /* last move before new session */
1350 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1351 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1352 if(!moves) return increment; /* current session is incremental */
1353 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1354 } while(movenr >= -1); /* try again for next session */
1356 return 0; // no new time quota on this move
1360 ParseTimeControl (char *tc, float ti, int mps)
1364 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1367 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1368 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1369 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1373 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1375 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1380 snprintf(buf, MSG_SIZ, ":%s", mytc);
1382 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1384 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1389 /* Parse second time control */
1392 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1400 timeControl_2 = tc2 * 1000;
1410 timeControl = tc1 * 1000;
1413 timeIncrement = ti * 1000; /* convert to ms */
1414 movesPerSession = 0;
1417 movesPerSession = mps;
1425 if (appData.debugMode) {
1426 # ifdef __GIT_VERSION
1427 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1429 fprintf(debugFP, "Version: %s\n", programVersion);
1432 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1434 set_cont_sequence(appData.wrapContSeq);
1435 if (appData.matchGames > 0) {
1436 appData.matchMode = TRUE;
1437 } else if (appData.matchMode) {
1438 appData.matchGames = 1;
1440 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1441 appData.matchGames = appData.sameColorGames;
1442 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1443 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1444 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1447 if (appData.noChessProgram || first.protocolVersion == 1) {
1450 /* kludge: allow timeout for initial "feature" commands */
1452 DisplayMessage("", _("Starting chess program"));
1453 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1458 CalculateIndex (int index, int gameNr)
1459 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1461 if(index > 0) return index; // fixed nmber
1462 if(index == 0) return 1;
1463 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1464 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1469 LoadGameOrPosition (int gameNr)
1470 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1471 if (*appData.loadGameFile != NULLCHAR) {
1472 if (!LoadGameFromFile(appData.loadGameFile,
1473 CalculateIndex(appData.loadGameIndex, gameNr),
1474 appData.loadGameFile, FALSE)) {
1475 DisplayFatalError(_("Bad game file"), 0, 1);
1478 } else if (*appData.loadPositionFile != NULLCHAR) {
1479 if (!LoadPositionFromFile(appData.loadPositionFile,
1480 CalculateIndex(appData.loadPositionIndex, gameNr),
1481 appData.loadPositionFile)) {
1482 DisplayFatalError(_("Bad position file"), 0, 1);
1490 ReserveGame (int gameNr, char resChar)
1492 FILE *tf = fopen(appData.tourneyFile, "r+");
1493 char *p, *q, c, buf[MSG_SIZ];
1494 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1495 safeStrCpy(buf, lastMsg, MSG_SIZ);
1496 DisplayMessage(_("Pick new game"), "");
1497 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1498 ParseArgsFromFile(tf);
1499 p = q = appData.results;
1500 if(appData.debugMode) {
1501 char *r = appData.participants;
1502 fprintf(debugFP, "results = '%s'\n", p);
1503 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1504 fprintf(debugFP, "\n");
1506 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1508 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1509 safeStrCpy(q, p, strlen(p) + 2);
1510 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1511 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1512 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1513 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1516 fseek(tf, -(strlen(p)+4), SEEK_END);
1518 if(c != '"') // depending on DOS or Unix line endings we can be one off
1519 fseek(tf, -(strlen(p)+2), SEEK_END);
1520 else fseek(tf, -(strlen(p)+3), SEEK_END);
1521 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1522 DisplayMessage(buf, "");
1523 free(p); appData.results = q;
1524 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1525 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1526 int round = appData.defaultMatchGames * appData.tourneyType;
1527 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1528 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1529 UnloadEngine(&first); // next game belongs to other pairing;
1530 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1532 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1536 MatchEvent (int mode)
1537 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1539 if(matchMode) { // already in match mode: switch it off
1541 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1544 // if(gameMode != BeginningOfGame) {
1545 // DisplayError(_("You can only start a match from the initial position."), 0);
1549 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1550 /* Set up machine vs. machine match */
1552 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1553 if(appData.tourneyFile[0]) {
1555 if(nextGame > appData.matchGames) {
1557 if(strchr(appData.results, '*') == NULL) {
1559 appData.tourneyCycles++;
1560 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1562 NextTourneyGame(-1, &dummy);
1564 if(nextGame <= appData.matchGames) {
1565 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1567 ScheduleDelayedEvent(NextMatchGame, 10000);
1572 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1573 DisplayError(buf, 0);
1574 appData.tourneyFile[0] = 0;
1578 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1579 DisplayFatalError(_("Can't have a match with no chess programs"),
1584 matchGame = roundNr = 1;
1585 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1589 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1592 InitBackEnd3 P((void))
1594 GameMode initialMode;
1598 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1599 !strcmp(appData.variant, "normal") && // no explicit variant request
1600 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1601 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1602 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1603 char c, *q = first.variants, *p = strchr(q, ',');
1604 if(p) *p = NULLCHAR;
1605 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1607 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1608 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1609 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1610 Reset(TRUE, FALSE); // and re-initialize
1615 InitChessProgram(&first, startedFromSetupPosition);
1617 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1618 free(programVersion);
1619 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1620 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1621 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1624 if (appData.icsActive) {
1626 /* [DM] Make a console window if needed [HGM] merged ifs */
1632 if (*appData.icsCommPort != NULLCHAR)
1633 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1634 appData.icsCommPort);
1636 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1637 appData.icsHost, appData.icsPort);
1639 if( (len >= MSG_SIZ) && appData.debugMode )
1640 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1642 DisplayFatalError(buf, err, 1);
1647 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1649 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1650 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1651 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1652 } else if (appData.noChessProgram) {
1658 if (*appData.cmailGameName != NULLCHAR) {
1660 OpenLoopback(&cmailPR);
1662 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1666 DisplayMessage("", "");
1667 if (StrCaseCmp(appData.initialMode, "") == 0) {
1668 initialMode = BeginningOfGame;
1669 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1670 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1671 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1672 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1675 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1676 initialMode = TwoMachinesPlay;
1677 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1678 initialMode = AnalyzeFile;
1679 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1680 initialMode = AnalyzeMode;
1681 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1682 initialMode = MachinePlaysWhite;
1683 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1684 initialMode = MachinePlaysBlack;
1685 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1686 initialMode = EditGame;
1687 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1688 initialMode = EditPosition;
1689 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1690 initialMode = Training;
1692 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1693 if( (len >= MSG_SIZ) && appData.debugMode )
1694 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1696 DisplayFatalError(buf, 0, 2);
1700 if (appData.matchMode) {
1701 if(appData.tourneyFile[0]) { // start tourney from command line
1703 if(f = fopen(appData.tourneyFile, "r")) {
1704 ParseArgsFromFile(f); // make sure tourney parmeters re known
1706 appData.clockMode = TRUE;
1708 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1711 } else if (*appData.cmailGameName != NULLCHAR) {
1712 /* Set up cmail mode */
1713 ReloadCmailMsgEvent(TRUE);
1715 /* Set up other modes */
1716 if (initialMode == AnalyzeFile) {
1717 if (*appData.loadGameFile == NULLCHAR) {
1718 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1722 if (*appData.loadGameFile != NULLCHAR) {
1723 (void) LoadGameFromFile(appData.loadGameFile,
1724 appData.loadGameIndex,
1725 appData.loadGameFile, TRUE);
1726 } else if (*appData.loadPositionFile != NULLCHAR) {
1727 (void) LoadPositionFromFile(appData.loadPositionFile,
1728 appData.loadPositionIndex,
1729 appData.loadPositionFile);
1730 /* [HGM] try to make self-starting even after FEN load */
1731 /* to allow automatic setup of fairy variants with wtm */
1732 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1733 gameMode = BeginningOfGame;
1734 setboardSpoiledMachineBlack = 1;
1736 /* [HGM] loadPos: make that every new game uses the setup */
1737 /* from file as long as we do not switch variant */
1738 if(!blackPlaysFirst) {
1739 startedFromPositionFile = TRUE;
1740 CopyBoard(filePosition, boards[0]);
1743 if (initialMode == AnalyzeMode) {
1744 if (appData.noChessProgram) {
1745 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1748 if (appData.icsActive) {
1749 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1753 } else if (initialMode == AnalyzeFile) {
1754 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1755 ShowThinkingEvent();
1757 AnalysisPeriodicEvent(1);
1758 } else if (initialMode == MachinePlaysWhite) {
1759 if (appData.noChessProgram) {
1760 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1764 if (appData.icsActive) {
1765 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1769 MachineWhiteEvent();
1770 } else if (initialMode == MachinePlaysBlack) {
1771 if (appData.noChessProgram) {
1772 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1776 if (appData.icsActive) {
1777 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1781 MachineBlackEvent();
1782 } else if (initialMode == TwoMachinesPlay) {
1783 if (appData.noChessProgram) {
1784 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1788 if (appData.icsActive) {
1789 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1794 } else if (initialMode == EditGame) {
1796 } else if (initialMode == EditPosition) {
1797 EditPositionEvent();
1798 } else if (initialMode == Training) {
1799 if (*appData.loadGameFile == NULLCHAR) {
1800 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1809 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1811 DisplayBook(current+1);
1813 MoveHistorySet( movelist, first, last, current, pvInfoList );
1815 EvalGraphSet( first, last, current, pvInfoList );
1817 MakeEngineOutputTitle();
1821 * Establish will establish a contact to a remote host.port.
1822 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1823 * used to talk to the host.
1824 * Returns 0 if okay, error code if not.
1831 if (*appData.icsCommPort != NULLCHAR) {
1832 /* Talk to the host through a serial comm port */
1833 return OpenCommPort(appData.icsCommPort, &icsPR);
1835 } else if (*appData.gateway != NULLCHAR) {
1836 if (*appData.remoteShell == NULLCHAR) {
1837 /* Use the rcmd protocol to run telnet program on a gateway host */
1838 snprintf(buf, sizeof(buf), "%s %s %s",
1839 appData.telnetProgram, appData.icsHost, appData.icsPort);
1840 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1843 /* Use the rsh program to run telnet program on a gateway host */
1844 if (*appData.remoteUser == NULLCHAR) {
1845 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1846 appData.gateway, appData.telnetProgram,
1847 appData.icsHost, appData.icsPort);
1849 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1850 appData.remoteShell, appData.gateway,
1851 appData.remoteUser, appData.telnetProgram,
1852 appData.icsHost, appData.icsPort);
1854 return StartChildProcess(buf, "", &icsPR);
1857 } else if (appData.useTelnet) {
1858 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1861 /* TCP socket interface differs somewhat between
1862 Unix and NT; handle details in the front end.
1864 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1869 EscapeExpand (char *p, char *q)
1870 { // [HGM] initstring: routine to shape up string arguments
1871 while(*p++ = *q++) if(p[-1] == '\\')
1873 case 'n': p[-1] = '\n'; break;
1874 case 'r': p[-1] = '\r'; break;
1875 case 't': p[-1] = '\t'; break;
1876 case '\\': p[-1] = '\\'; break;
1877 case 0: *p = 0; return;
1878 default: p[-1] = q[-1]; break;
1883 show_bytes (FILE *fp, char *buf, int count)
1886 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1887 fprintf(fp, "\\%03o", *buf & 0xff);
1896 /* Returns an errno value */
1898 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1900 char buf[8192], *p, *q, *buflim;
1901 int left, newcount, outcount;
1903 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1904 *appData.gateway != NULLCHAR) {
1905 if (appData.debugMode) {
1906 fprintf(debugFP, ">ICS: ");
1907 show_bytes(debugFP, message, count);
1908 fprintf(debugFP, "\n");
1910 return OutputToProcess(pr, message, count, outError);
1913 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1920 if (appData.debugMode) {
1921 fprintf(debugFP, ">ICS: ");
1922 show_bytes(debugFP, buf, newcount);
1923 fprintf(debugFP, "\n");
1925 outcount = OutputToProcess(pr, buf, newcount, outError);
1926 if (outcount < newcount) return -1; /* to be sure */
1933 } else if (((unsigned char) *p) == TN_IAC) {
1934 *q++ = (char) TN_IAC;
1941 if (appData.debugMode) {
1942 fprintf(debugFP, ">ICS: ");
1943 show_bytes(debugFP, buf, newcount);
1944 fprintf(debugFP, "\n");
1946 outcount = OutputToProcess(pr, buf, newcount, outError);
1947 if (outcount < newcount) return -1; /* to be sure */
1952 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1954 int outError, outCount;
1955 static int gotEof = 0;
1958 /* Pass data read from player on to ICS */
1961 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1962 if (outCount < count) {
1963 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1965 if(have_sent_ICS_logon == 2) {
1966 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1967 fprintf(ini, "%s", message);
1968 have_sent_ICS_logon = 3;
1970 have_sent_ICS_logon = 1;
1971 } else if(have_sent_ICS_logon == 3) {
1972 fprintf(ini, "%s", message);
1974 have_sent_ICS_logon = 1;
1976 } else if (count < 0) {
1977 RemoveInputSource(isr);
1978 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1979 } else if (gotEof++ > 0) {
1980 RemoveInputSource(isr);
1981 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1987 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1988 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1989 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1990 SendToICS("date\n");
1991 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1994 /* added routine for printf style output to ics */
1996 ics_printf (char *format, ...)
1998 char buffer[MSG_SIZ];
2001 va_start(args, format);
2002 vsnprintf(buffer, sizeof(buffer), format, args);
2003 buffer[sizeof(buffer)-1] = '\0';
2011 int count, outCount, outError;
2013 if (icsPR == NoProc) return;
2016 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2017 if (outCount < count) {
2018 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2022 /* This is used for sending logon scripts to the ICS. Sending
2023 without a delay causes problems when using timestamp on ICC
2024 (at least on my machine). */
2026 SendToICSDelayed (char *s, long msdelay)
2028 int count, outCount, outError;
2030 if (icsPR == NoProc) return;
2033 if (appData.debugMode) {
2034 fprintf(debugFP, ">ICS: ");
2035 show_bytes(debugFP, s, count);
2036 fprintf(debugFP, "\n");
2038 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2040 if (outCount < count) {
2041 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2046 /* Remove all highlighting escape sequences in s
2047 Also deletes any suffix starting with '('
2050 StripHighlightAndTitle (char *s)
2052 static char retbuf[MSG_SIZ];
2055 while (*s != NULLCHAR) {
2056 while (*s == '\033') {
2057 while (*s != NULLCHAR && !isalpha(*s)) s++;
2058 if (*s != NULLCHAR) s++;
2060 while (*s != NULLCHAR && *s != '\033') {
2061 if (*s == '(' || *s == '[') {
2072 /* Remove all highlighting escape sequences in s */
2074 StripHighlight (char *s)
2076 static char retbuf[MSG_SIZ];
2079 while (*s != NULLCHAR) {
2080 while (*s == '\033') {
2081 while (*s != NULLCHAR && !isalpha(*s)) s++;
2082 if (*s != NULLCHAR) s++;
2084 while (*s != NULLCHAR && *s != '\033') {
2092 char engineVariant[MSG_SIZ];
2093 char *variantNames[] = VARIANT_NAMES;
2095 VariantName (VariantClass v)
2097 if(v == VariantUnknown || *engineVariant) return engineVariant;
2098 return variantNames[v];
2102 /* Identify a variant from the strings the chess servers use or the
2103 PGN Variant tag names we use. */
2105 StringToVariant (char *e)
2109 VariantClass v = VariantNormal;
2110 int i, found = FALSE;
2116 /* [HGM] skip over optional board-size prefixes */
2117 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2118 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2119 while( *e++ != '_');
2122 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2126 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2127 if (p = StrCaseStr(e, variantNames[i])) {
2128 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2129 v = (VariantClass) i;
2136 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2137 || StrCaseStr(e, "wild/fr")
2138 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2139 v = VariantFischeRandom;
2140 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2141 (i = 1, p = StrCaseStr(e, "w"))) {
2143 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2150 case 0: /* FICS only, actually */
2152 /* Castling legal even if K starts on d-file */
2153 v = VariantWildCastle;
2158 /* Castling illegal even if K & R happen to start in
2159 normal positions. */
2160 v = VariantNoCastle;
2173 /* Castling legal iff K & R start in normal positions */
2179 /* Special wilds for position setup; unclear what to do here */
2180 v = VariantLoadable;
2183 /* Bizarre ICC game */
2184 v = VariantTwoKings;
2187 v = VariantKriegspiel;
2193 v = VariantFischeRandom;
2196 v = VariantCrazyhouse;
2199 v = VariantBughouse;
2205 /* Not quite the same as FICS suicide! */
2206 v = VariantGiveaway;
2212 v = VariantShatranj;
2215 /* Temporary names for future ICC types. The name *will* change in
2216 the next xboard/WinBoard release after ICC defines it. */
2254 v = VariantCapablanca;
2257 v = VariantKnightmate;
2263 v = VariantCylinder;
2269 v = VariantCapaRandom;
2272 v = VariantBerolina;
2284 /* Found "wild" or "w" in the string but no number;
2285 must assume it's normal chess. */
2289 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2290 if( (len >= MSG_SIZ) && appData.debugMode )
2291 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2293 DisplayError(buf, 0);
2299 if (appData.debugMode) {
2300 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2301 e, wnum, VariantName(v));
2306 static int leftover_start = 0, leftover_len = 0;
2307 char star_match[STAR_MATCH_N][MSG_SIZ];
2309 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2310 advance *index beyond it, and set leftover_start to the new value of
2311 *index; else return FALSE. If pattern contains the character '*', it
2312 matches any sequence of characters not containing '\r', '\n', or the
2313 character following the '*' (if any), and the matched sequence(s) are
2314 copied into star_match.
2317 looking_at ( char *buf, int *index, char *pattern)
2319 char *bufp = &buf[*index], *patternp = pattern;
2321 char *matchp = star_match[0];
2324 if (*patternp == NULLCHAR) {
2325 *index = leftover_start = bufp - buf;
2329 if (*bufp == NULLCHAR) return FALSE;
2330 if (*patternp == '*') {
2331 if (*bufp == *(patternp + 1)) {
2333 matchp = star_match[++star_count];
2337 } else if (*bufp == '\n' || *bufp == '\r') {
2339 if (*patternp == NULLCHAR)
2344 *matchp++ = *bufp++;
2348 if (*patternp != *bufp) return FALSE;
2355 SendToPlayer (char *data, int length)
2357 int error, outCount;
2358 outCount = OutputToProcess(NoProc, data, length, &error);
2359 if (outCount < length) {
2360 DisplayFatalError(_("Error writing to display"), error, 1);
2365 PackHolding (char packed[], char *holding)
2375 switch (runlength) {
2386 sprintf(q, "%d", runlength);
2398 /* Telnet protocol requests from the front end */
2400 TelnetRequest (unsigned char ddww, unsigned char option)
2402 unsigned char msg[3];
2403 int outCount, outError;
2405 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2407 if (appData.debugMode) {
2408 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2424 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2433 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2436 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2441 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2443 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2450 if (!appData.icsActive) return;
2451 TelnetRequest(TN_DO, TN_ECHO);
2457 if (!appData.icsActive) return;
2458 TelnetRequest(TN_DONT, TN_ECHO);
2462 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2464 /* put the holdings sent to us by the server on the board holdings area */
2465 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2469 if(gameInfo.holdingsWidth < 2) return;
2470 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2471 return; // prevent overwriting by pre-board holdings
2473 if( (int)lowestPiece >= BlackPawn ) {
2476 holdingsStartRow = BOARD_HEIGHT-1;
2479 holdingsColumn = BOARD_WIDTH-1;
2480 countsColumn = BOARD_WIDTH-2;
2481 holdingsStartRow = 0;
2485 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2486 board[i][holdingsColumn] = EmptySquare;
2487 board[i][countsColumn] = (ChessSquare) 0;
2489 while( (p=*holdings++) != NULLCHAR ) {
2490 piece = CharToPiece( ToUpper(p) );
2491 if(piece == EmptySquare) continue;
2492 /*j = (int) piece - (int) WhitePawn;*/
2493 j = PieceToNumber(piece);
2494 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2495 if(j < 0) continue; /* should not happen */
2496 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2497 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2498 board[holdingsStartRow+j*direction][countsColumn]++;
2504 VariantSwitch (Board board, VariantClass newVariant)
2506 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2507 static Board oldBoard;
2509 startedFromPositionFile = FALSE;
2510 if(gameInfo.variant == newVariant) return;
2512 /* [HGM] This routine is called each time an assignment is made to
2513 * gameInfo.variant during a game, to make sure the board sizes
2514 * are set to match the new variant. If that means adding or deleting
2515 * holdings, we shift the playing board accordingly
2516 * This kludge is needed because in ICS observe mode, we get boards
2517 * of an ongoing game without knowing the variant, and learn about the
2518 * latter only later. This can be because of the move list we requested,
2519 * in which case the game history is refilled from the beginning anyway,
2520 * but also when receiving holdings of a crazyhouse game. In the latter
2521 * case we want to add those holdings to the already received position.
2525 if (appData.debugMode) {
2526 fprintf(debugFP, "Switch board from %s to %s\n",
2527 VariantName(gameInfo.variant), VariantName(newVariant));
2528 setbuf(debugFP, NULL);
2530 shuffleOpenings = 0; /* [HGM] shuffle */
2531 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2535 newWidth = 9; newHeight = 9;
2536 gameInfo.holdingsSize = 7;
2537 case VariantBughouse:
2538 case VariantCrazyhouse:
2539 newHoldingsWidth = 2; break;
2543 newHoldingsWidth = 2;
2544 gameInfo.holdingsSize = 8;
2547 case VariantCapablanca:
2548 case VariantCapaRandom:
2551 newHoldingsWidth = gameInfo.holdingsSize = 0;
2554 if(newWidth != gameInfo.boardWidth ||
2555 newHeight != gameInfo.boardHeight ||
2556 newHoldingsWidth != gameInfo.holdingsWidth ) {
2558 /* shift position to new playing area, if needed */
2559 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2560 for(i=0; i<BOARD_HEIGHT; i++)
2561 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2562 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2564 for(i=0; i<newHeight; i++) {
2565 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2566 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2568 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2569 for(i=0; i<BOARD_HEIGHT; i++)
2570 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2571 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2574 board[HOLDINGS_SET] = 0;
2575 gameInfo.boardWidth = newWidth;
2576 gameInfo.boardHeight = newHeight;
2577 gameInfo.holdingsWidth = newHoldingsWidth;
2578 gameInfo.variant = newVariant;
2579 InitDrawingSizes(-2, 0);
2580 } else gameInfo.variant = newVariant;
2581 CopyBoard(oldBoard, board); // remember correctly formatted board
2582 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2583 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2586 static int loggedOn = FALSE;
2588 /*-- Game start info cache: --*/
2590 char gs_kind[MSG_SIZ];
2591 static char player1Name[128] = "";
2592 static char player2Name[128] = "";
2593 static char cont_seq[] = "\n\\ ";
2594 static int player1Rating = -1;
2595 static int player2Rating = -1;
2596 /*----------------------------*/
2598 ColorClass curColor = ColorNormal;
2599 int suppressKibitz = 0;
2602 Boolean soughtPending = FALSE;
2603 Boolean seekGraphUp;
2604 #define MAX_SEEK_ADS 200
2606 char *seekAdList[MAX_SEEK_ADS];
2607 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2608 float tcList[MAX_SEEK_ADS];
2609 char colorList[MAX_SEEK_ADS];
2610 int nrOfSeekAds = 0;
2611 int minRating = 1010, maxRating = 2800;
2612 int hMargin = 10, vMargin = 20, h, w;
2613 extern int squareSize, lineGap;
2618 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2619 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2620 if(r < minRating+100 && r >=0 ) r = minRating+100;
2621 if(r > maxRating) r = maxRating;
2622 if(tc < 1.f) tc = 1.f;
2623 if(tc > 95.f) tc = 95.f;
2624 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2625 y = ((double)r - minRating)/(maxRating - minRating)
2626 * (h-vMargin-squareSize/8-1) + vMargin;
2627 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2628 if(strstr(seekAdList[i], " u ")) color = 1;
2629 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2630 !strstr(seekAdList[i], "bullet") &&
2631 !strstr(seekAdList[i], "blitz") &&
2632 !strstr(seekAdList[i], "standard") ) color = 2;
2633 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2634 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2638 PlotSingleSeekAd (int i)
2644 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2646 char buf[MSG_SIZ], *ext = "";
2647 VariantClass v = StringToVariant(type);
2648 if(strstr(type, "wild")) {
2649 ext = type + 4; // append wild number
2650 if(v == VariantFischeRandom) type = "chess960"; else
2651 if(v == VariantLoadable) type = "setup"; else
2652 type = VariantName(v);
2654 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2655 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2656 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2657 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2658 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2659 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2660 seekNrList[nrOfSeekAds] = nr;
2661 zList[nrOfSeekAds] = 0;
2662 seekAdList[nrOfSeekAds++] = StrSave(buf);
2663 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2668 EraseSeekDot (int i)
2670 int x = xList[i], y = yList[i], d=squareSize/4, k;
2671 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2672 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2673 // now replot every dot that overlapped
2674 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2675 int xx = xList[k], yy = yList[k];
2676 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2677 DrawSeekDot(xx, yy, colorList[k]);
2682 RemoveSeekAd (int nr)
2685 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2687 if(seekAdList[i]) free(seekAdList[i]);
2688 seekAdList[i] = seekAdList[--nrOfSeekAds];
2689 seekNrList[i] = seekNrList[nrOfSeekAds];
2690 ratingList[i] = ratingList[nrOfSeekAds];
2691 colorList[i] = colorList[nrOfSeekAds];
2692 tcList[i] = tcList[nrOfSeekAds];
2693 xList[i] = xList[nrOfSeekAds];
2694 yList[i] = yList[nrOfSeekAds];
2695 zList[i] = zList[nrOfSeekAds];
2696 seekAdList[nrOfSeekAds] = NULL;
2702 MatchSoughtLine (char *line)
2704 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2705 int nr, base, inc, u=0; char dummy;
2707 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2708 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2710 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2711 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2712 // match: compact and save the line
2713 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2723 if(!seekGraphUp) return FALSE;
2724 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2725 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2727 DrawSeekBackground(0, 0, w, h);
2728 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2729 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2730 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2731 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2733 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2736 snprintf(buf, MSG_SIZ, "%d", i);
2737 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2740 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2741 for(i=1; i<100; i+=(i<10?1:5)) {
2742 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2743 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2744 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2746 snprintf(buf, MSG_SIZ, "%d", i);
2747 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2750 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2755 SeekGraphClick (ClickType click, int x, int y, int moving)
2757 static int lastDown = 0, displayed = 0, lastSecond;
2758 if(y < 0) return FALSE;
2759 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2760 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2761 if(!seekGraphUp) return FALSE;
2762 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2763 DrawPosition(TRUE, NULL);
2766 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2767 if(click == Release || moving) return FALSE;
2769 soughtPending = TRUE;
2770 SendToICS(ics_prefix);
2771 SendToICS("sought\n"); // should this be "sought all"?
2772 } else { // issue challenge based on clicked ad
2773 int dist = 10000; int i, closest = 0, second = 0;
2774 for(i=0; i<nrOfSeekAds; i++) {
2775 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2776 if(d < dist) { dist = d; closest = i; }
2777 second += (d - zList[i] < 120); // count in-range ads
2778 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2782 second = (second > 1);
2783 if(displayed != closest || second != lastSecond) {
2784 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2785 lastSecond = second; displayed = closest;
2787 if(click == Press) {
2788 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2791 } // on press 'hit', only show info
2792 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2793 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2794 SendToICS(ics_prefix);
2796 return TRUE; // let incoming board of started game pop down the graph
2797 } else if(click == Release) { // release 'miss' is ignored
2798 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2799 if(moving == 2) { // right up-click
2800 nrOfSeekAds = 0; // refresh graph
2801 soughtPending = TRUE;
2802 SendToICS(ics_prefix);
2803 SendToICS("sought\n"); // should this be "sought all"?
2806 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2807 // press miss or release hit 'pop down' seek graph
2808 seekGraphUp = FALSE;
2809 DrawPosition(TRUE, NULL);
2815 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2817 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2818 #define STARTED_NONE 0
2819 #define STARTED_MOVES 1
2820 #define STARTED_BOARD 2
2821 #define STARTED_OBSERVE 3
2822 #define STARTED_HOLDINGS 4
2823 #define STARTED_CHATTER 5
2824 #define STARTED_COMMENT 6
2825 #define STARTED_MOVES_NOHIDE 7
2827 static int started = STARTED_NONE;
2828 static char parse[20000];
2829 static int parse_pos = 0;
2830 static char buf[BUF_SIZE + 1];
2831 static int firstTime = TRUE, intfSet = FALSE;
2832 static ColorClass prevColor = ColorNormal;
2833 static int savingComment = FALSE;
2834 static int cmatch = 0; // continuation sequence match
2841 int backup; /* [DM] For zippy color lines */
2843 char talker[MSG_SIZ]; // [HGM] chat
2844 int channel, collective=0;
2846 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2848 if (appData.debugMode) {
2850 fprintf(debugFP, "<ICS: ");
2851 show_bytes(debugFP, data, count);
2852 fprintf(debugFP, "\n");
2856 if (appData.debugMode) { int f = forwardMostMove;
2857 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2858 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2859 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2862 /* If last read ended with a partial line that we couldn't parse,
2863 prepend it to the new read and try again. */
2864 if (leftover_len > 0) {
2865 for (i=0; i<leftover_len; i++)
2866 buf[i] = buf[leftover_start + i];
2869 /* copy new characters into the buffer */
2870 bp = buf + leftover_len;
2871 buf_len=leftover_len;
2872 for (i=0; i<count; i++)
2875 if (data[i] == '\r')
2878 // join lines split by ICS?
2879 if (!appData.noJoin)
2882 Joining just consists of finding matches against the
2883 continuation sequence, and discarding that sequence
2884 if found instead of copying it. So, until a match
2885 fails, there's nothing to do since it might be the
2886 complete sequence, and thus, something we don't want
2889 if (data[i] == cont_seq[cmatch])
2892 if (cmatch == strlen(cont_seq))
2894 cmatch = 0; // complete match. just reset the counter
2897 it's possible for the ICS to not include the space
2898 at the end of the last word, making our [correct]
2899 join operation fuse two separate words. the server
2900 does this when the space occurs at the width setting.
2902 if (!buf_len || buf[buf_len-1] != ' ')
2913 match failed, so we have to copy what matched before
2914 falling through and copying this character. In reality,
2915 this will only ever be just the newline character, but
2916 it doesn't hurt to be precise.
2918 strncpy(bp, cont_seq, cmatch);
2930 buf[buf_len] = NULLCHAR;
2931 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2936 while (i < buf_len) {
2937 /* Deal with part of the TELNET option negotiation
2938 protocol. We refuse to do anything beyond the
2939 defaults, except that we allow the WILL ECHO option,
2940 which ICS uses to turn off password echoing when we are
2941 directly connected to it. We reject this option
2942 if localLineEditing mode is on (always on in xboard)
2943 and we are talking to port 23, which might be a real
2944 telnet server that will try to keep WILL ECHO on permanently.
2946 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2947 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2948 unsigned char option;
2950 switch ((unsigned char) buf[++i]) {
2952 if (appData.debugMode)
2953 fprintf(debugFP, "\n<WILL ");
2954 switch (option = (unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "ECHO ");
2958 /* Reply only if this is a change, according
2959 to the protocol rules. */
2960 if (remoteEchoOption) break;
2961 if (appData.localLineEditing &&
2962 atoi(appData.icsPort) == TN_PORT) {
2963 TelnetRequest(TN_DONT, TN_ECHO);
2966 TelnetRequest(TN_DO, TN_ECHO);
2967 remoteEchoOption = TRUE;
2971 if (appData.debugMode)
2972 fprintf(debugFP, "%d ", option);
2973 /* Whatever this is, we don't want it. */
2974 TelnetRequest(TN_DONT, option);
2979 if (appData.debugMode)
2980 fprintf(debugFP, "\n<WONT ");
2981 switch (option = (unsigned char) buf[++i]) {
2983 if (appData.debugMode)
2984 fprintf(debugFP, "ECHO ");
2985 /* Reply only if this is a change, according
2986 to the protocol rules. */
2987 if (!remoteEchoOption) break;
2989 TelnetRequest(TN_DONT, TN_ECHO);
2990 remoteEchoOption = FALSE;
2993 if (appData.debugMode)
2994 fprintf(debugFP, "%d ", (unsigned char) option);
2995 /* Whatever this is, it must already be turned
2996 off, because we never agree to turn on
2997 anything non-default, so according to the
2998 protocol rules, we don't reply. */
3003 if (appData.debugMode)
3004 fprintf(debugFP, "\n<DO ");
3005 switch (option = (unsigned char) buf[++i]) {
3007 /* Whatever this is, we refuse to do it. */
3008 if (appData.debugMode)
3009 fprintf(debugFP, "%d ", option);
3010 TelnetRequest(TN_WONT, option);
3015 if (appData.debugMode)
3016 fprintf(debugFP, "\n<DONT ");
3017 switch (option = (unsigned char) buf[++i]) {
3019 if (appData.debugMode)
3020 fprintf(debugFP, "%d ", option);
3021 /* Whatever this is, we are already not doing
3022 it, because we never agree to do anything
3023 non-default, so according to the protocol
3024 rules, we don't reply. */
3029 if (appData.debugMode)
3030 fprintf(debugFP, "\n<IAC ");
3031 /* Doubled IAC; pass it through */
3035 if (appData.debugMode)
3036 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3037 /* Drop all other telnet commands on the floor */
3040 if (oldi > next_out)
3041 SendToPlayer(&buf[next_out], oldi - next_out);
3047 /* OK, this at least will *usually* work */
3048 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3052 if (loggedOn && !intfSet) {
3053 if (ics_type == ICS_ICC) {
3054 snprintf(str, MSG_SIZ,
3055 "/set-quietly interface %s\n/set-quietly style 12\n",
3057 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3058 strcat(str, "/set-2 51 1\n/set seek 1\n");
3059 } else if (ics_type == ICS_CHESSNET) {
3060 snprintf(str, MSG_SIZ, "/style 12\n");
3062 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3063 strcat(str, programVersion);
3064 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3065 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3066 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3068 strcat(str, "$iset nohighlight 1\n");
3070 strcat(str, "$iset lock 1\n$style 12\n");
3073 NotifyFrontendLogin();
3077 if (started == STARTED_COMMENT) {
3078 /* Accumulate characters in comment */
3079 parse[parse_pos++] = buf[i];
3080 if (buf[i] == '\n') {
3081 parse[parse_pos] = NULLCHAR;
3082 if(chattingPartner>=0) {
3084 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3085 OutputChatMessage(chattingPartner, mess);
3086 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3088 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3089 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3090 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3091 OutputChatMessage(p, mess);
3095 chattingPartner = -1;
3096 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3099 if(!suppressKibitz) // [HGM] kibitz
3100 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3101 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3102 int nrDigit = 0, nrAlph = 0, j;
3103 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3104 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3105 parse[parse_pos] = NULLCHAR;
3106 // try to be smart: if it does not look like search info, it should go to
3107 // ICS interaction window after all, not to engine-output window.
3108 for(j=0; j<parse_pos; j++) { // count letters and digits
3109 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3110 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3111 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3113 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3114 int depth=0; float score;
3115 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3116 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3117 pvInfoList[forwardMostMove-1].depth = depth;
3118 pvInfoList[forwardMostMove-1].score = 100*score;
3120 OutputKibitz(suppressKibitz, parse);
3123 if(gameMode == IcsObserving) // restore original ICS messages
3124 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3125 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3127 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3128 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3129 SendToPlayer(tmp, strlen(tmp));
3131 next_out = i+1; // [HGM] suppress printing in ICS window
3133 started = STARTED_NONE;
3135 /* Don't match patterns against characters in comment */
3140 if (started == STARTED_CHATTER) {
3141 if (buf[i] != '\n') {
3142 /* Don't match patterns against characters in chatter */
3146 started = STARTED_NONE;
3147 if(suppressKibitz) next_out = i+1;
3150 /* Kludge to deal with rcmd protocol */
3151 if (firstTime && looking_at(buf, &i, "\001*")) {
3152 DisplayFatalError(&buf[1], 0, 1);
3158 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3161 if (appData.debugMode)
3162 fprintf(debugFP, "ics_type %d\n", ics_type);
3165 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3166 ics_type = ICS_FICS;
3168 if (appData.debugMode)
3169 fprintf(debugFP, "ics_type %d\n", ics_type);
3172 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3173 ics_type = ICS_CHESSNET;
3175 if (appData.debugMode)
3176 fprintf(debugFP, "ics_type %d\n", ics_type);
3181 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3182 looking_at(buf, &i, "Logging you in as \"*\"") ||
3183 looking_at(buf, &i, "will be \"*\""))) {
3184 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3188 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3190 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3191 DisplayIcsInteractionTitle(buf);
3192 have_set_title = TRUE;
3195 /* skip finger notes */
3196 if (started == STARTED_NONE &&
3197 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3198 (buf[i] == '1' && buf[i+1] == '0')) &&
3199 buf[i+2] == ':' && buf[i+3] == ' ') {
3200 started = STARTED_CHATTER;
3206 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3207 if(appData.seekGraph) {
3208 if(soughtPending && MatchSoughtLine(buf+i)) {
3209 i = strstr(buf+i, "rated") - buf;
3210 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3211 next_out = leftover_start = i;
3212 started = STARTED_CHATTER;
3213 suppressKibitz = TRUE;
3216 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3217 && looking_at(buf, &i, "* ads displayed")) {
3218 soughtPending = FALSE;
3223 if(appData.autoRefresh) {
3224 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3225 int s = (ics_type == ICS_ICC); // ICC format differs
3227 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3228 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3229 looking_at(buf, &i, "*% "); // eat prompt
3230 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3232 next_out = i; // suppress
3235 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3236 char *p = star_match[0];
3238 if(seekGraphUp) RemoveSeekAd(atoi(p));
3239 while(*p && *p++ != ' '); // next
3241 looking_at(buf, &i, "*% "); // eat prompt
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3249 /* skip formula vars */
3250 if (started == STARTED_NONE &&
3251 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3252 started = STARTED_CHATTER;
3257 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3258 if (appData.autoKibitz && started == STARTED_NONE &&
3259 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3260 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3261 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3262 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3263 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3264 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3265 suppressKibitz = TRUE;
3266 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3268 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3269 && (gameMode == IcsPlayingWhite)) ||
3270 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3271 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3272 started = STARTED_CHATTER; // own kibitz we simply discard
3274 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3275 parse_pos = 0; parse[0] = NULLCHAR;
3276 savingComment = TRUE;
3277 suppressKibitz = gameMode != IcsObserving ? 2 :
3278 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3282 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3283 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3284 && atoi(star_match[0])) {
3285 // suppress the acknowledgements of our own autoKibitz
3287 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3288 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3289 SendToPlayer(star_match[0], strlen(star_match[0]));
3290 if(looking_at(buf, &i, "*% ")) // eat prompt
3291 suppressKibitz = FALSE;
3295 } // [HGM] kibitz: end of patch
3297 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3299 // [HGM] chat: intercept tells by users for which we have an open chat window
3301 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3302 looking_at(buf, &i, "* whispers:") ||
3303 looking_at(buf, &i, "* kibitzes:") ||
3304 looking_at(buf, &i, "* shouts:") ||
3305 looking_at(buf, &i, "* c-shouts:") ||
3306 looking_at(buf, &i, "--> * ") ||
3307 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3308 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3309 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3310 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3312 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3313 chattingPartner = -1; collective = 0;
3315 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3316 for(p=0; p<MAX_CHAT; p++) {
3318 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3319 talker[0] = '['; strcat(talker, "] ");
3320 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3321 chattingPartner = p; break;
3324 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3325 for(p=0; p<MAX_CHAT; p++) {
3327 if(!strcmp("kibitzes", chatPartner[p])) {
3328 talker[0] = '['; strcat(talker, "] ");
3329 chattingPartner = p; break;
3332 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3333 for(p=0; p<MAX_CHAT; p++) {
3335 if(!strcmp("whispers", chatPartner[p])) {
3336 talker[0] = '['; strcat(talker, "] ");
3337 chattingPartner = p; break;
3340 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3341 if(buf[i-8] == '-' && buf[i-3] == 't')
3342 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3344 if(!strcmp("c-shouts", chatPartner[p])) {
3345 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3346 chattingPartner = p; break;
3349 if(chattingPartner < 0)
3350 for(p=0; p<MAX_CHAT; p++) {
3352 if(!strcmp("shouts", chatPartner[p])) {
3353 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3354 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3355 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3356 chattingPartner = p; break;
3360 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3361 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3363 Colorize(ColorTell, FALSE);
3364 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3366 chattingPartner = p; break;
3368 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3369 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3370 started = STARTED_COMMENT;
3371 parse_pos = 0; parse[0] = NULLCHAR;
3372 savingComment = 3 + chattingPartner; // counts as TRUE
3373 if(collective == 3) i = oldi; else {
3374 suppressKibitz = TRUE;
3375 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3376 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3380 } // [HGM] chat: end of patch
3383 if (appData.zippyTalk || appData.zippyPlay) {
3384 /* [DM] Backup address for color zippy lines */
3386 if (loggedOn == TRUE)
3387 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3388 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3390 } // [DM] 'else { ' deleted
3392 /* Regular tells and says */
3393 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3394 looking_at(buf, &i, "* (your partner) tells you: ") ||
3395 looking_at(buf, &i, "* says: ") ||
3396 /* Don't color "message" or "messages" output */
3397 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3398 looking_at(buf, &i, "*. * at *:*: ") ||
3399 looking_at(buf, &i, "--* (*:*): ") ||
3400 /* Message notifications (same color as tells) */
3401 looking_at(buf, &i, "* has left a message ") ||
3402 looking_at(buf, &i, "* just sent you a message:\n") ||
3403 /* Whispers and kibitzes */
3404 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3405 looking_at(buf, &i, "* kibitzes: ") ||
3407 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3409 if (tkind == 1 && strchr(star_match[0], ':')) {
3410 /* Avoid "tells you:" spoofs in channels */
3413 if (star_match[0][0] == NULLCHAR ||
3414 strchr(star_match[0], ' ') ||
3415 (tkind == 3 && strchr(star_match[1], ' '))) {
3416 /* Reject bogus matches */
3419 if (appData.colorize) {
3420 if (oldi > next_out) {
3421 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(ColorTell, FALSE);
3427 curColor = ColorTell;
3430 Colorize(ColorKibitz, FALSE);
3431 curColor = ColorKibitz;
3434 p = strrchr(star_match[1], '(');
3441 Colorize(ColorChannel1, FALSE);
3442 curColor = ColorChannel1;
3444 Colorize(ColorChannel, FALSE);
3445 curColor = ColorChannel;
3449 curColor = ColorNormal;
3453 if (started == STARTED_NONE && appData.autoComment &&
3454 (gameMode == IcsObserving ||
3455 gameMode == IcsPlayingWhite ||
3456 gameMode == IcsPlayingBlack)) {
3457 parse_pos = i - oldi;
3458 memcpy(parse, &buf[oldi], parse_pos);
3459 parse[parse_pos] = NULLCHAR;
3460 started = STARTED_COMMENT;
3461 savingComment = TRUE;
3462 } else if(collective != 3) {
3463 started = STARTED_CHATTER;
3464 savingComment = FALSE;
3471 if (looking_at(buf, &i, "* s-shouts: ") ||
3472 looking_at(buf, &i, "* c-shouts: ")) {
3473 if (appData.colorize) {
3474 if (oldi > next_out) {
3475 SendToPlayer(&buf[next_out], oldi - next_out);
3478 Colorize(ColorSShout, FALSE);
3479 curColor = ColorSShout;
3482 started = STARTED_CHATTER;
3486 if (looking_at(buf, &i, "--->")) {
3491 if (looking_at(buf, &i, "* shouts: ") ||
3492 looking_at(buf, &i, "--> ")) {
3493 if (appData.colorize) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 Colorize(ColorShout, FALSE);
3499 curColor = ColorShout;
3502 started = STARTED_CHATTER;
3506 if (looking_at( buf, &i, "Challenge:")) {
3507 if (appData.colorize) {
3508 if (oldi > next_out) {
3509 SendToPlayer(&buf[next_out], oldi - next_out);
3512 Colorize(ColorChallenge, FALSE);
3513 curColor = ColorChallenge;
3519 if (looking_at(buf, &i, "* offers you") ||
3520 looking_at(buf, &i, "* offers to be") ||
3521 looking_at(buf, &i, "* would like to") ||
3522 looking_at(buf, &i, "* requests to") ||
3523 looking_at(buf, &i, "Your opponent offers") ||
3524 looking_at(buf, &i, "Your opponent requests")) {
3526 if (appData.colorize) {
3527 if (oldi > next_out) {
3528 SendToPlayer(&buf[next_out], oldi - next_out);
3531 Colorize(ColorRequest, FALSE);
3532 curColor = ColorRequest;
3537 if (looking_at(buf, &i, "* (*) seeking")) {
3538 if (appData.colorize) {
3539 if (oldi > next_out) {
3540 SendToPlayer(&buf[next_out], oldi - next_out);
3543 Colorize(ColorSeek, FALSE);
3544 curColor = ColorSeek;
3549 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3551 if (looking_at(buf, &i, "\\ ")) {
3552 if (prevColor != ColorNormal) {
3553 if (oldi > next_out) {
3554 SendToPlayer(&buf[next_out], oldi - next_out);
3557 Colorize(prevColor, TRUE);
3558 curColor = prevColor;
3560 if (savingComment) {
3561 parse_pos = i - oldi;
3562 memcpy(parse, &buf[oldi], parse_pos);
3563 parse[parse_pos] = NULLCHAR;
3564 started = STARTED_COMMENT;
3565 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3566 chattingPartner = savingComment - 3; // kludge to remember the box
3568 started = STARTED_CHATTER;
3573 if (looking_at(buf, &i, "Black Strength :") ||
3574 looking_at(buf, &i, "<<< style 10 board >>>") ||
3575 looking_at(buf, &i, "<10>") ||
3576 looking_at(buf, &i, "#@#")) {
3577 /* Wrong board style */
3579 SendToICS(ics_prefix);
3580 SendToICS("set style 12\n");
3581 SendToICS(ics_prefix);
3582 SendToICS("refresh\n");
3586 if (looking_at(buf, &i, "login:")) {
3587 if (!have_sent_ICS_logon) {
3589 have_sent_ICS_logon = 1;
3590 else // no init script was found
3591 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3592 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3593 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3598 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3599 (looking_at(buf, &i, "\n<12> ") ||
3600 looking_at(buf, &i, "<12> "))) {
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 started = STARTED_BOARD;
3611 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3612 looking_at(buf, &i, "<b1> ")) {
3613 if (oldi > next_out) {
3614 SendToPlayer(&buf[next_out], oldi - next_out);
3617 started = STARTED_HOLDINGS;
3622 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3624 /* Header for a move list -- first line */
3626 switch (ics_getting_history) {
3630 case BeginningOfGame:
3631 /* User typed "moves" or "oldmoves" while we
3632 were idle. Pretend we asked for these
3633 moves and soak them up so user can step
3634 through them and/or save them.
3637 gameMode = IcsObserving;
3640 ics_getting_history = H_GOT_UNREQ_HEADER;
3642 case EditGame: /*?*/
3643 case EditPosition: /*?*/
3644 /* Should above feature work in these modes too? */
3645 /* For now it doesn't */
3646 ics_getting_history = H_GOT_UNWANTED_HEADER;
3649 ics_getting_history = H_GOT_UNWANTED_HEADER;
3654 /* Is this the right one? */
3655 if (gameInfo.white && gameInfo.black &&
3656 strcmp(gameInfo.white, star_match[0]) == 0 &&
3657 strcmp(gameInfo.black, star_match[2]) == 0) {
3659 ics_getting_history = H_GOT_REQ_HEADER;
3662 case H_GOT_REQ_HEADER:
3663 case H_GOT_UNREQ_HEADER:
3664 case H_GOT_UNWANTED_HEADER:
3665 case H_GETTING_MOVES:
3666 /* Should not happen */
3667 DisplayError(_("Error gathering move list: two headers"), 0);
3668 ics_getting_history = H_FALSE;
3672 /* Save player ratings into gameInfo if needed */
3673 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3674 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3675 (gameInfo.whiteRating == -1 ||
3676 gameInfo.blackRating == -1)) {
3678 gameInfo.whiteRating = string_to_rating(star_match[1]);
3679 gameInfo.blackRating = string_to_rating(star_match[3]);
3680 if (appData.debugMode)
3681 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3682 gameInfo.whiteRating, gameInfo.blackRating);
3687 if (looking_at(buf, &i,
3688 "* * match, initial time: * minute*, increment: * second")) {
3689 /* Header for a move list -- second line */
3690 /* Initial board will follow if this is a wild game */
3691 if (gameInfo.event != NULL) free(gameInfo.event);
3692 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3693 gameInfo.event = StrSave(str);
3694 /* [HGM] we switched variant. Translate boards if needed. */
3695 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3699 if (looking_at(buf, &i, "Move ")) {
3700 /* Beginning of a move list */
3701 switch (ics_getting_history) {
3703 /* Normally should not happen */
3704 /* Maybe user hit reset while we were parsing */
3707 /* Happens if we are ignoring a move list that is not
3708 * the one we just requested. Common if the user
3709 * tries to observe two games without turning off
3712 case H_GETTING_MOVES:
3713 /* Should not happen */
3714 DisplayError(_("Error gathering move list: nested"), 0);
3715 ics_getting_history = H_FALSE;
3717 case H_GOT_REQ_HEADER:
3718 ics_getting_history = H_GETTING_MOVES;
3719 started = STARTED_MOVES;
3721 if (oldi > next_out) {
3722 SendToPlayer(&buf[next_out], oldi - next_out);
3725 case H_GOT_UNREQ_HEADER:
3726 ics_getting_history = H_GETTING_MOVES;
3727 started = STARTED_MOVES_NOHIDE;
3730 case H_GOT_UNWANTED_HEADER:
3731 ics_getting_history = H_FALSE;
3737 if (looking_at(buf, &i, "% ") ||
3738 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3739 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3740 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3741 soughtPending = FALSE;
3745 if(suppressKibitz) next_out = i;
3746 savingComment = FALSE;
3750 case STARTED_MOVES_NOHIDE:
3751 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3752 parse[parse_pos + i - oldi] = NULLCHAR;
3753 ParseGameHistory(parse);
3755 if (appData.zippyPlay && first.initDone) {
3756 FeedMovesToProgram(&first, forwardMostMove);
3757 if (gameMode == IcsPlayingWhite) {
3758 if (WhiteOnMove(forwardMostMove)) {
3759 if (first.sendTime) {
3760 if (first.useColors) {
3761 SendToProgram("black\n", &first);
3763 SendTimeRemaining(&first, TRUE);
3765 if (first.useColors) {
3766 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3768 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3769 first.maybeThinking = TRUE;
3771 if (first.usePlayother) {
3772 if (first.sendTime) {
3773 SendTimeRemaining(&first, TRUE);
3775 SendToProgram("playother\n", &first);
3781 } else if (gameMode == IcsPlayingBlack) {
3782 if (!WhiteOnMove(forwardMostMove)) {
3783 if (first.sendTime) {
3784 if (first.useColors) {
3785 SendToProgram("white\n", &first);
3787 SendTimeRemaining(&first, FALSE);
3789 if (first.useColors) {
3790 SendToProgram("black\n", &first);
3792 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3793 first.maybeThinking = TRUE;
3795 if (first.usePlayother) {
3796 if (first.sendTime) {
3797 SendTimeRemaining(&first, FALSE);
3799 SendToProgram("playother\n", &first);
3808 if (gameMode == IcsObserving && ics_gamenum == -1) {
3809 /* Moves came from oldmoves or moves command
3810 while we weren't doing anything else.
3812 currentMove = forwardMostMove;
3813 ClearHighlights();/*!!could figure this out*/
3814 flipView = appData.flipView;
3815 DrawPosition(TRUE, boards[currentMove]);
3816 DisplayBothClocks();
3817 snprintf(str, MSG_SIZ, "%s %s %s",
3818 gameInfo.white, _("vs."), gameInfo.black);
3822 /* Moves were history of an active game */
3823 if (gameInfo.resultDetails != NULL) {
3824 free(gameInfo.resultDetails);
3825 gameInfo.resultDetails = NULL;
3828 HistorySet(parseList, backwardMostMove,
3829 forwardMostMove, currentMove-1);
3830 DisplayMove(currentMove - 1);
3831 if (started == STARTED_MOVES) next_out = i;
3832 started = STARTED_NONE;
3833 ics_getting_history = H_FALSE;
3836 case STARTED_OBSERVE:
3837 started = STARTED_NONE;
3838 SendToICS(ics_prefix);
3839 SendToICS("refresh\n");
3845 if(bookHit) { // [HGM] book: simulate book reply
3846 static char bookMove[MSG_SIZ]; // a bit generous?
3848 programStats.nodes = programStats.depth = programStats.time =
3849 programStats.score = programStats.got_only_move = 0;
3850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3852 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3853 strcat(bookMove, bookHit);
3854 HandleMachineMove(bookMove, &first);
3859 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3860 started == STARTED_HOLDINGS ||
3861 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3862 /* Accumulate characters in move list or board */
3863 parse[parse_pos++] = buf[i];
3866 /* Start of game messages. Mostly we detect start of game
3867 when the first board image arrives. On some versions
3868 of the ICS, though, we need to do a "refresh" after starting
3869 to observe in order to get the current board right away. */
3870 if (looking_at(buf, &i, "Adding game * to observation list")) {
3871 started = STARTED_OBSERVE;
3875 /* Handle auto-observe */
3876 if (appData.autoObserve &&
3877 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3878 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3880 /* Choose the player that was highlighted, if any. */
3881 if (star_match[0][0] == '\033' ||
3882 star_match[1][0] != '\033') {
3883 player = star_match[0];
3885 player = star_match[2];
3887 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3888 ics_prefix, StripHighlightAndTitle(player));
3891 /* Save ratings from notify string */
3892 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3893 player1Rating = string_to_rating(star_match[1]);
3894 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3895 player2Rating = string_to_rating(star_match[3]);
3897 if (appData.debugMode)
3899 "Ratings from 'Game notification:' %s %d, %s %d\n",
3900 player1Name, player1Rating,
3901 player2Name, player2Rating);
3906 /* Deal with automatic examine mode after a game,
3907 and with IcsObserving -> IcsExamining transition */
3908 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3909 looking_at(buf, &i, "has made you an examiner of game *")) {
3911 int gamenum = atoi(star_match[0]);
3912 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3913 gamenum == ics_gamenum) {
3914 /* We were already playing or observing this game;
3915 no need to refetch history */
3916 gameMode = IcsExamining;
3918 pauseExamForwardMostMove = forwardMostMove;
3919 } else if (currentMove < forwardMostMove) {
3920 ForwardInner(forwardMostMove);
3923 /* I don't think this case really can happen */
3924 SendToICS(ics_prefix);
3925 SendToICS("refresh\n");
3930 /* Error messages */
3931 // if (ics_user_moved) {
3932 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3933 if (looking_at(buf, &i, "Illegal move") ||
3934 looking_at(buf, &i, "Not a legal move") ||
3935 looking_at(buf, &i, "Your king is in check") ||
3936 looking_at(buf, &i, "It isn't your turn") ||
3937 looking_at(buf, &i, "It is not your move")) {
3939 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3940 currentMove = forwardMostMove-1;
3941 DisplayMove(currentMove - 1); /* before DMError */
3942 DrawPosition(FALSE, boards[currentMove]);
3943 SwitchClocks(forwardMostMove-1); // [HGM] race
3944 DisplayBothClocks();
3946 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3952 if (looking_at(buf, &i, "still have time") ||
3953 looking_at(buf, &i, "not out of time") ||
3954 looking_at(buf, &i, "either player is out of time") ||
3955 looking_at(buf, &i, "has timeseal; checking")) {
3956 /* We must have called his flag a little too soon */
3957 whiteFlag = blackFlag = FALSE;
3961 if (looking_at(buf, &i, "added * seconds to") ||
3962 looking_at(buf, &i, "seconds were added to")) {
3963 /* Update the clocks */
3964 SendToICS(ics_prefix);
3965 SendToICS("refresh\n");
3969 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3970 ics_clock_paused = TRUE;
3975 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3976 ics_clock_paused = FALSE;
3981 /* Grab player ratings from the Creating: message.
3982 Note we have to check for the special case when
3983 the ICS inserts things like [white] or [black]. */
3984 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3985 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3987 0 player 1 name (not necessarily white)
3989 2 empty, white, or black (IGNORED)
3990 3 player 2 name (not necessarily black)
3993 The names/ratings are sorted out when the game
3994 actually starts (below).
3996 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3997 player1Rating = string_to_rating(star_match[1]);
3998 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3999 player2Rating = string_to_rating(star_match[4]);
4001 if (appData.debugMode)
4003 "Ratings from 'Creating:' %s %d, %s %d\n",
4004 player1Name, player1Rating,
4005 player2Name, player2Rating);
4010 /* Improved generic start/end-of-game messages */
4011 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4012 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4013 /* If tkind == 0: */
4014 /* star_match[0] is the game number */
4015 /* [1] is the white player's name */
4016 /* [2] is the black player's name */
4017 /* For end-of-game: */
4018 /* [3] is the reason for the game end */
4019 /* [4] is a PGN end game-token, preceded by " " */
4020 /* For start-of-game: */
4021 /* [3] begins with "Creating" or "Continuing" */
4022 /* [4] is " *" or empty (don't care). */
4023 int gamenum = atoi(star_match[0]);
4024 char *whitename, *blackname, *why, *endtoken;
4025 ChessMove endtype = EndOfFile;
4028 whitename = star_match[1];
4029 blackname = star_match[2];
4030 why = star_match[3];
4031 endtoken = star_match[4];
4033 whitename = star_match[1];
4034 blackname = star_match[3];
4035 why = star_match[5];
4036 endtoken = star_match[6];
4039 /* Game start messages */
4040 if (strncmp(why, "Creating ", 9) == 0 ||
4041 strncmp(why, "Continuing ", 11) == 0) {
4042 gs_gamenum = gamenum;
4043 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4044 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4045 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4047 if (appData.zippyPlay) {
4048 ZippyGameStart(whitename, blackname);
4051 partnerBoardValid = FALSE; // [HGM] bughouse
4055 /* Game end messages */
4056 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4057 ics_gamenum != gamenum) {
4060 while (endtoken[0] == ' ') endtoken++;
4061 switch (endtoken[0]) {
4064 endtype = GameUnfinished;
4067 endtype = BlackWins;
4070 if (endtoken[1] == '/')
4071 endtype = GameIsDrawn;
4073 endtype = WhiteWins;
4076 GameEnds(endtype, why, GE_ICS);
4078 if (appData.zippyPlay && first.initDone) {
4079 ZippyGameEnd(endtype, why);
4080 if (first.pr == NoProc) {
4081 /* Start the next process early so that we'll
4082 be ready for the next challenge */
4083 StartChessProgram(&first);
4085 /* Send "new" early, in case this command takes
4086 a long time to finish, so that we'll be ready
4087 for the next challenge. */
4088 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4092 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4096 if (looking_at(buf, &i, "Removing game * from observation") ||
4097 looking_at(buf, &i, "no longer observing game *") ||
4098 looking_at(buf, &i, "Game * (*) has no examiners")) {
4099 if (gameMode == IcsObserving &&
4100 atoi(star_match[0]) == ics_gamenum)
4102 /* icsEngineAnalyze */
4103 if (appData.icsEngineAnalyze) {
4110 ics_user_moved = FALSE;
4115 if (looking_at(buf, &i, "no longer examining game *")) {
4116 if (gameMode == IcsExamining &&
4117 atoi(star_match[0]) == ics_gamenum)
4121 ics_user_moved = FALSE;
4126 /* Advance leftover_start past any newlines we find,
4127 so only partial lines can get reparsed */
4128 if (looking_at(buf, &i, "\n")) {
4129 prevColor = curColor;
4130 if (curColor != ColorNormal) {
4131 if (oldi > next_out) {
4132 SendToPlayer(&buf[next_out], oldi - next_out);
4135 Colorize(ColorNormal, FALSE);
4136 curColor = ColorNormal;
4138 if (started == STARTED_BOARD) {
4139 started = STARTED_NONE;
4140 parse[parse_pos] = NULLCHAR;
4141 ParseBoard12(parse);
4144 /* Send premove here */
4145 if (appData.premove) {
4147 if (currentMove == 0 &&
4148 gameMode == IcsPlayingWhite &&
4149 appData.premoveWhite) {
4150 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4151 if (appData.debugMode)
4152 fprintf(debugFP, "Sending premove:\n");
4154 } else if (currentMove == 1 &&
4155 gameMode == IcsPlayingBlack &&
4156 appData.premoveBlack) {
4157 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4158 if (appData.debugMode)
4159 fprintf(debugFP, "Sending premove:\n");
4161 } else if (gotPremove) {
4163 ClearPremoveHighlights();
4164 if (appData.debugMode)
4165 fprintf(debugFP, "Sending premove:\n");
4166 UserMoveEvent(premoveFromX, premoveFromY,
4167 premoveToX, premoveToY,
4172 /* Usually suppress following prompt */
4173 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4174 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4175 if (looking_at(buf, &i, "*% ")) {
4176 savingComment = FALSE;
4181 } else if (started == STARTED_HOLDINGS) {
4183 char new_piece[MSG_SIZ];
4184 started = STARTED_NONE;
4185 parse[parse_pos] = NULLCHAR;
4186 if (appData.debugMode)
4187 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4188 parse, currentMove);
4189 if (sscanf(parse, " game %d", &gamenum) == 1) {
4190 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4191 if (gameInfo.variant == VariantNormal) {
4192 /* [HGM] We seem to switch variant during a game!
4193 * Presumably no holdings were displayed, so we have
4194 * to move the position two files to the right to
4195 * create room for them!
4197 VariantClass newVariant;
4198 switch(gameInfo.boardWidth) { // base guess on board width
4199 case 9: newVariant = VariantShogi; break;
4200 case 10: newVariant = VariantGreat; break;
4201 default: newVariant = VariantCrazyhouse; break;
4203 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4204 /* Get a move list just to see the header, which
4205 will tell us whether this is really bug or zh */
4206 if (ics_getting_history == H_FALSE) {
4207 ics_getting_history = H_REQUESTED;
4208 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4212 new_piece[0] = NULLCHAR;
4213 sscanf(parse, "game %d white [%s black [%s <- %s",
4214 &gamenum, white_holding, black_holding,
4216 white_holding[strlen(white_holding)-1] = NULLCHAR;
4217 black_holding[strlen(black_holding)-1] = NULLCHAR;
4218 /* [HGM] copy holdings to board holdings area */
4219 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4220 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4221 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4223 if (appData.zippyPlay && first.initDone) {
4224 ZippyHoldings(white_holding, black_holding,
4228 if (tinyLayout || smallLayout) {
4229 char wh[16], bh[16];
4230 PackHolding(wh, white_holding);
4231 PackHolding(bh, black_holding);
4232 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4233 gameInfo.white, gameInfo.black);
4235 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4236 gameInfo.white, white_holding, _("vs."),
4237 gameInfo.black, black_holding);
4239 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4240 DrawPosition(FALSE, boards[currentMove]);
4242 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4243 sscanf(parse, "game %d white [%s black [%s <- %s",
4244 &gamenum, white_holding, black_holding,
4246 white_holding[strlen(white_holding)-1] = NULLCHAR;
4247 black_holding[strlen(black_holding)-1] = NULLCHAR;
4248 /* [HGM] copy holdings to partner-board holdings area */
4249 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4250 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4251 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4252 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4253 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4256 /* Suppress following prompt */
4257 if (looking_at(buf, &i, "*% ")) {
4258 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4259 savingComment = FALSE;
4267 i++; /* skip unparsed character and loop back */
4270 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4271 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4272 // SendToPlayer(&buf[next_out], i - next_out);
4273 started != STARTED_HOLDINGS && leftover_start > next_out) {
4274 SendToPlayer(&buf[next_out], leftover_start - next_out);
4278 leftover_len = buf_len - leftover_start;
4279 /* if buffer ends with something we couldn't parse,
4280 reparse it after appending the next read */
4282 } else if (count == 0) {
4283 RemoveInputSource(isr);
4284 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4286 DisplayFatalError(_("Error reading from ICS"), error, 1);
4291 /* Board style 12 looks like this:
4293 <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
4295 * The "<12> " is stripped before it gets to this routine. The two
4296 * trailing 0's (flip state and clock ticking) are later addition, and
4297 * some chess servers may not have them, or may have only the first.
4298 * Additional trailing fields may be added in the future.
4301 #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"
4303 #define RELATION_OBSERVING_PLAYED 0
4304 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4305 #define RELATION_PLAYING_MYMOVE 1
4306 #define RELATION_PLAYING_NOTMYMOVE -1
4307 #define RELATION_EXAMINING 2
4308 #define RELATION_ISOLATED_BOARD -3
4309 #define RELATION_STARTING_POSITION -4 /* FICS only */
4312 ParseBoard12 (char *string)
4316 char *bookHit = NULL; // [HGM] book
4318 GameMode newGameMode;
4319 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4320 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4321 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4322 char to_play, board_chars[200];
4323 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4324 char black[32], white[32];
4326 int prevMove = currentMove;
4329 int fromX, fromY, toX, toY;
4331 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4332 Boolean weird = FALSE, reqFlag = FALSE;
4334 fromX = fromY = toX = toY = -1;
4338 if (appData.debugMode)
4339 fprintf(debugFP, "Parsing board: %s\n", string);
4341 move_str[0] = NULLCHAR;
4342 elapsed_time[0] = NULLCHAR;
4343 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4345 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4346 if(string[i] == ' ') { ranks++; files = 0; }
4348 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4351 for(j = 0; j <i; j++) board_chars[j] = string[j];
4352 board_chars[i] = '\0';
4355 n = sscanf(string, PATTERN, &to_play, &double_push,
4356 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4357 &gamenum, white, black, &relation, &basetime, &increment,
4358 &white_stren, &black_stren, &white_time, &black_time,
4359 &moveNum, str, elapsed_time, move_str, &ics_flip,
4363 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4364 DisplayError(str, 0);
4368 /* Convert the move number to internal form */
4369 moveNum = (moveNum - 1) * 2;
4370 if (to_play == 'B') moveNum++;
4371 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4372 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4378 case RELATION_OBSERVING_PLAYED:
4379 case RELATION_OBSERVING_STATIC:
4380 if (gamenum == -1) {
4381 /* Old ICC buglet */
4382 relation = RELATION_OBSERVING_STATIC;
4384 newGameMode = IcsObserving;
4386 case RELATION_PLAYING_MYMOVE:
4387 case RELATION_PLAYING_NOTMYMOVE:
4389 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4390 IcsPlayingWhite : IcsPlayingBlack;
4391 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4393 case RELATION_EXAMINING:
4394 newGameMode = IcsExamining;
4396 case RELATION_ISOLATED_BOARD:
4398 /* Just display this board. If user was doing something else,
4399 we will forget about it until the next board comes. */
4400 newGameMode = IcsIdle;
4402 case RELATION_STARTING_POSITION:
4403 newGameMode = gameMode;
4407 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4408 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4409 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4410 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4411 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4412 static int lastBgGame = -1;
4414 for (k = 0; k < ranks; k++) {
4415 for (j = 0; j < files; j++)
4416 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4417 if(gameInfo.holdingsWidth > 1) {
4418 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4419 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4422 CopyBoard(partnerBoard, board);
4423 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4424 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4425 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4426 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4427 if(toSqr = strchr(str, '-')) {
4428 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4429 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4430 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4431 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4432 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4433 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4435 DisplayWhiteClock(white_time*fac, to_play == 'W');
4436 DisplayBlackClock(black_time*fac, to_play != 'W');
4437 activePartner = to_play;
4438 if(gamenum != lastBgGame) {
4440 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4443 lastBgGame = gamenum;
4444 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4445 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4446 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4447 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4448 if(!twoBoards) DisplayMessage(partnerStatus, "");
4449 partnerBoardValid = TRUE;
4453 if(appData.dualBoard && appData.bgObserve) {
4454 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4455 SendToICS(ics_prefix), SendToICS("pobserve\n");
4456 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4458 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4463 /* Modify behavior for initial board display on move listing
4466 switch (ics_getting_history) {
4470 case H_GOT_REQ_HEADER:
4471 case H_GOT_UNREQ_HEADER:
4472 /* This is the initial position of the current game */
4473 gamenum = ics_gamenum;
4474 moveNum = 0; /* old ICS bug workaround */
4475 if (to_play == 'B') {
4476 startedFromSetupPosition = TRUE;
4477 blackPlaysFirst = TRUE;
4479 if (forwardMostMove == 0) forwardMostMove = 1;
4480 if (backwardMostMove == 0) backwardMostMove = 1;
4481 if (currentMove == 0) currentMove = 1;
4483 newGameMode = gameMode;
4484 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4486 case H_GOT_UNWANTED_HEADER:
4487 /* This is an initial board that we don't want */
4489 case H_GETTING_MOVES:
4490 /* Should not happen */
4491 DisplayError(_("Error gathering move list: extra board"), 0);
4492 ics_getting_history = H_FALSE;
4496 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4497 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4498 weird && (int)gameInfo.variant < (int)VariantShogi) {
4499 /* [HGM] We seem to have switched variant unexpectedly
4500 * Try to guess new variant from board size
4502 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4503 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4504 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4505 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4506 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4507 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4508 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4509 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4510 /* Get a move list just to see the header, which
4511 will tell us whether this is really bug or zh */
4512 if (ics_getting_history == H_FALSE) {
4513 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4514 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4519 /* Take action if this is the first board of a new game, or of a
4520 different game than is currently being displayed. */
4521 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4522 relation == RELATION_ISOLATED_BOARD) {
4524 /* Forget the old game and get the history (if any) of the new one */
4525 if (gameMode != BeginningOfGame) {
4529 if (appData.autoRaiseBoard) BoardToTop();
4531 if (gamenum == -1) {
4532 newGameMode = IcsIdle;
4533 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4534 appData.getMoveList && !reqFlag) {
4535 /* Need to get game history */
4536 ics_getting_history = H_REQUESTED;
4537 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4541 /* Initially flip the board to have black on the bottom if playing
4542 black or if the ICS flip flag is set, but let the user change
4543 it with the Flip View button. */
4544 flipView = appData.autoFlipView ?
4545 (newGameMode == IcsPlayingBlack) || ics_flip :
4548 /* Done with values from previous mode; copy in new ones */
4549 gameMode = newGameMode;
4551 ics_gamenum = gamenum;
4552 if (gamenum == gs_gamenum) {
4553 int klen = strlen(gs_kind);
4554 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4555 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4556 gameInfo.event = StrSave(str);
4558 gameInfo.event = StrSave("ICS game");
4560 gameInfo.site = StrSave(appData.icsHost);
4561 gameInfo.date = PGNDate();
4562 gameInfo.round = StrSave("-");
4563 gameInfo.white = StrSave(white);
4564 gameInfo.black = StrSave(black);
4565 timeControl = basetime * 60 * 1000;
4567 timeIncrement = increment * 1000;
4568 movesPerSession = 0;
4569 gameInfo.timeControl = TimeControlTagValue();
4570 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4571 if (appData.debugMode) {
4572 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4573 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4574 setbuf(debugFP, NULL);
4577 gameInfo.outOfBook = NULL;
4579 /* Do we have the ratings? */
4580 if (strcmp(player1Name, white) == 0 &&
4581 strcmp(player2Name, black) == 0) {
4582 if (appData.debugMode)
4583 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4584 player1Rating, player2Rating);
4585 gameInfo.whiteRating = player1Rating;
4586 gameInfo.blackRating = player2Rating;
4587 } else if (strcmp(player2Name, white) == 0 &&
4588 strcmp(player1Name, black) == 0) {
4589 if (appData.debugMode)
4590 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4591 player2Rating, player1Rating);
4592 gameInfo.whiteRating = player2Rating;
4593 gameInfo.blackRating = player1Rating;
4595 player1Name[0] = player2Name[0] = NULLCHAR;
4597 /* Silence shouts if requested */
4598 if (appData.quietPlay &&
4599 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4600 SendToICS(ics_prefix);
4601 SendToICS("set shout 0\n");
4605 /* Deal with midgame name changes */
4607 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4608 if (gameInfo.white) free(gameInfo.white);
4609 gameInfo.white = StrSave(white);
4611 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4612 if (gameInfo.black) free(gameInfo.black);
4613 gameInfo.black = StrSave(black);
4617 /* Throw away game result if anything actually changes in examine mode */
4618 if (gameMode == IcsExamining && !newGame) {
4619 gameInfo.result = GameUnfinished;
4620 if (gameInfo.resultDetails != NULL) {
4621 free(gameInfo.resultDetails);
4622 gameInfo.resultDetails = NULL;
4626 /* In pausing && IcsExamining mode, we ignore boards coming
4627 in if they are in a different variation than we are. */
4628 if (pauseExamInvalid) return;
4629 if (pausing && gameMode == IcsExamining) {
4630 if (moveNum <= pauseExamForwardMostMove) {
4631 pauseExamInvalid = TRUE;
4632 forwardMostMove = pauseExamForwardMostMove;
4637 if (appData.debugMode) {
4638 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4640 /* Parse the board */
4641 for (k = 0; k < ranks; k++) {
4642 for (j = 0; j < files; j++)
4643 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4644 if(gameInfo.holdingsWidth > 1) {
4645 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4646 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4649 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4650 board[5][BOARD_RGHT+1] = WhiteAngel;
4651 board[6][BOARD_RGHT+1] = WhiteMarshall;
4652 board[1][0] = BlackMarshall;
4653 board[2][0] = BlackAngel;
4654 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4656 CopyBoard(boards[moveNum], board);
4657 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4659 startedFromSetupPosition =
4660 !CompareBoards(board, initialPosition);
4661 if(startedFromSetupPosition)
4662 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4665 /* [HGM] Set castling rights. Take the outermost Rooks,
4666 to make it also work for FRC opening positions. Note that board12
4667 is really defective for later FRC positions, as it has no way to
4668 indicate which Rook can castle if they are on the same side of King.
4669 For the initial position we grant rights to the outermost Rooks,
4670 and remember thos rights, and we then copy them on positions
4671 later in an FRC game. This means WB might not recognize castlings with
4672 Rooks that have moved back to their original position as illegal,
4673 but in ICS mode that is not its job anyway.
4675 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4676 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4678 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4679 if(board[0][i] == WhiteRook) j = i;
4680 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4681 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4682 if(board[0][i] == WhiteRook) j = i;
4683 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4684 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4685 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4686 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4688 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4689 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4691 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4692 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4693 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4694 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4695 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4696 if(board[BOARD_HEIGHT-1][k] == bKing)
4697 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4698 if(gameInfo.variant == VariantTwoKings) {
4699 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4700 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4701 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4704 r = boards[moveNum][CASTLING][0] = initialRights[0];
4705 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4706 r = boards[moveNum][CASTLING][1] = initialRights[1];
4707 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4708 r = boards[moveNum][CASTLING][3] = initialRights[3];
4709 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4710 r = boards[moveNum][CASTLING][4] = initialRights[4];
4711 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4712 /* wildcastle kludge: always assume King has rights */
4713 r = boards[moveNum][CASTLING][2] = initialRights[2];
4714 r = boards[moveNum][CASTLING][5] = initialRights[5];
4716 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4717 boards[moveNum][EP_STATUS] = EP_NONE;
4718 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4719 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4720 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4723 if (ics_getting_history == H_GOT_REQ_HEADER ||
4724 ics_getting_history == H_GOT_UNREQ_HEADER) {
4725 /* This was an initial position from a move list, not
4726 the current position */
4730 /* Update currentMove and known move number limits */
4731 newMove = newGame || moveNum > forwardMostMove;
4734 forwardMostMove = backwardMostMove = currentMove = moveNum;
4735 if (gameMode == IcsExamining && moveNum == 0) {
4736 /* Workaround for ICS limitation: we are not told the wild
4737 type when starting to examine a game. But if we ask for
4738 the move list, the move list header will tell us */
4739 ics_getting_history = H_REQUESTED;
4740 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4743 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4744 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4746 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4747 /* [HGM] applied this also to an engine that is silently watching */
4748 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4749 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4750 gameInfo.variant == currentlyInitializedVariant) {
4751 takeback = forwardMostMove - moveNum;
4752 for (i = 0; i < takeback; i++) {
4753 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4754 SendToProgram("undo\n", &first);
4759 forwardMostMove = moveNum;
4760 if (!pausing || currentMove > forwardMostMove)
4761 currentMove = forwardMostMove;
4763 /* New part of history that is not contiguous with old part */
4764 if (pausing && gameMode == IcsExamining) {
4765 pauseExamInvalid = TRUE;
4766 forwardMostMove = pauseExamForwardMostMove;
4769 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4771 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4772 // [HGM] when we will receive the move list we now request, it will be
4773 // fed to the engine from the first move on. So if the engine is not
4774 // in the initial position now, bring it there.
4775 InitChessProgram(&first, 0);
4778 ics_getting_history = H_REQUESTED;
4779 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4782 forwardMostMove = backwardMostMove = currentMove = moveNum;
4785 /* Update the clocks */
4786 if (strchr(elapsed_time, '.')) {
4788 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4789 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4791 /* Time is in seconds */
4792 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4793 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4798 if (appData.zippyPlay && newGame &&
4799 gameMode != IcsObserving && gameMode != IcsIdle &&
4800 gameMode != IcsExamining)
4801 ZippyFirstBoard(moveNum, basetime, increment);
4804 /* Put the move on the move list, first converting
4805 to canonical algebraic form. */
4807 if (appData.debugMode) {
4808 int f = forwardMostMove;
4809 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4810 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4811 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4812 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4813 fprintf(debugFP, "moveNum = %d\n", moveNum);
4814 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4815 setbuf(debugFP, NULL);
4817 if (moveNum <= backwardMostMove) {
4818 /* We don't know what the board looked like before
4820 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4821 strcat(parseList[moveNum - 1], " ");
4822 strcat(parseList[moveNum - 1], elapsed_time);
4823 moveList[moveNum - 1][0] = NULLCHAR;
4824 } else if (strcmp(move_str, "none") == 0) {
4825 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4826 /* Again, we don't know what the board looked like;
4827 this is really the start of the game. */
4828 parseList[moveNum - 1][0] = NULLCHAR;
4829 moveList[moveNum - 1][0] = NULLCHAR;
4830 backwardMostMove = moveNum;
4831 startedFromSetupPosition = TRUE;
4832 fromX = fromY = toX = toY = -1;
4834 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4835 // So we parse the long-algebraic move string in stead of the SAN move
4836 int valid; char buf[MSG_SIZ], *prom;
4838 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4839 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4840 // str looks something like "Q/a1-a2"; kill the slash
4842 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4843 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4844 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4845 strcat(buf, prom); // long move lacks promo specification!
4846 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4847 if(appData.debugMode)
4848 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4849 safeStrCpy(move_str, buf, MSG_SIZ);
4851 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4852 &fromX, &fromY, &toX, &toY, &promoChar)
4853 || ParseOneMove(buf, moveNum - 1, &moveType,
4854 &fromX, &fromY, &toX, &toY, &promoChar);
4855 // end of long SAN patch
4857 (void) CoordsToAlgebraic(boards[moveNum - 1],
4858 PosFlags(moveNum - 1),
4859 fromY, fromX, toY, toX, promoChar,
4860 parseList[moveNum-1]);
4861 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4867 if(!IS_SHOGI(gameInfo.variant))
4868 strcat(parseList[moveNum - 1], "+");
4871 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4872 strcat(parseList[moveNum - 1], "#");
4875 strcat(parseList[moveNum - 1], " ");
4876 strcat(parseList[moveNum - 1], elapsed_time);
4877 /* currentMoveString is set as a side-effect of ParseOneMove */
4878 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4879 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4880 strcat(moveList[moveNum - 1], "\n");
4882 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4883 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4884 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4885 ChessSquare old, new = boards[moveNum][k][j];
4886 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4887 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4888 if(old == new) continue;
4889 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4890 else if(new == WhiteWazir || new == BlackWazir) {
4891 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4892 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4893 else boards[moveNum][k][j] = old; // preserve type of Gold
4894 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4895 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4898 /* Move from ICS was illegal!? Punt. */
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4901 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4903 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4904 strcat(parseList[moveNum - 1], " ");
4905 strcat(parseList[moveNum - 1], elapsed_time);
4906 moveList[moveNum - 1][0] = NULLCHAR;
4907 fromX = fromY = toX = toY = -1;
4910 if (appData.debugMode) {
4911 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4912 setbuf(debugFP, NULL);
4916 /* Send move to chess program (BEFORE animating it). */
4917 if (appData.zippyPlay && !newGame && newMove &&
4918 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4920 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4921 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4922 if (moveList[moveNum - 1][0] == NULLCHAR) {
4923 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4925 DisplayError(str, 0);
4927 if (first.sendTime) {
4928 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4930 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4931 if (firstMove && !bookHit) {
4933 if (first.useColors) {
4934 SendToProgram(gameMode == IcsPlayingWhite ?
4936 "black\ngo\n", &first);
4938 SendToProgram("go\n", &first);
4940 first.maybeThinking = TRUE;
4943 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4944 if (moveList[moveNum - 1][0] == NULLCHAR) {
4945 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4946 DisplayError(str, 0);
4948 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4949 SendMoveToProgram(moveNum - 1, &first);
4956 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4957 /* If move comes from a remote source, animate it. If it
4958 isn't remote, it will have already been animated. */
4959 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4960 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4962 if (!pausing && appData.highlightLastMove) {
4963 SetHighlights(fromX, fromY, toX, toY);
4967 /* Start the clocks */
4968 whiteFlag = blackFlag = FALSE;
4969 appData.clockMode = !(basetime == 0 && increment == 0);
4971 ics_clock_paused = TRUE;
4973 } else if (ticking == 1) {
4974 ics_clock_paused = FALSE;
4976 if (gameMode == IcsIdle ||
4977 relation == RELATION_OBSERVING_STATIC ||
4978 relation == RELATION_EXAMINING ||
4980 DisplayBothClocks();
4984 /* Display opponents and material strengths */
4985 if (gameInfo.variant != VariantBughouse &&
4986 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4987 if (tinyLayout || smallLayout) {
4988 if(gameInfo.variant == VariantNormal)
4989 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4990 gameInfo.white, white_stren, gameInfo.black, black_stren,
4991 basetime, increment);
4993 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4994 gameInfo.white, white_stren, gameInfo.black, black_stren,
4995 basetime, increment, (int) gameInfo.variant);
4997 if(gameInfo.variant == VariantNormal)
4998 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4999 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5000 basetime, increment);
5002 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5003 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5004 basetime, increment, VariantName(gameInfo.variant));
5007 if (appData.debugMode) {
5008 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5013 /* Display the board */
5014 if (!pausing && !appData.noGUI) {
5016 if (appData.premove)
5018 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5019 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5020 ClearPremoveHighlights();
5022 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5023 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5024 DrawPosition(j, boards[currentMove]);
5026 DisplayMove(moveNum - 1);
5027 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5028 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5029 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5030 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5034 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5036 if(bookHit) { // [HGM] book: simulate book reply
5037 static char bookMove[MSG_SIZ]; // a bit generous?
5039 programStats.nodes = programStats.depth = programStats.time =
5040 programStats.score = programStats.got_only_move = 0;
5041 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5043 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5044 strcat(bookMove, bookHit);
5045 HandleMachineMove(bookMove, &first);
5054 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5055 ics_getting_history = H_REQUESTED;
5056 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5062 SendToBoth (char *msg)
5063 { // to make it easy to keep two engines in step in dual analysis
5064 SendToProgram(msg, &first);
5065 if(second.analyzing) SendToProgram(msg, &second);
5069 AnalysisPeriodicEvent (int force)
5071 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5072 && !force) || !appData.periodicUpdates)
5075 /* Send . command to Crafty to collect stats */
5078 /* Don't send another until we get a response (this makes
5079 us stop sending to old Crafty's which don't understand
5080 the "." command (sending illegal cmds resets node count & time,
5081 which looks bad)) */
5082 programStats.ok_to_send = 0;
5086 ics_update_width (int new_width)
5088 ics_printf("set width %d\n", new_width);
5092 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5096 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5097 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5098 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5099 SendToProgram(buf, cps);
5102 // null move in variant where engine does not understand it (for analysis purposes)
5103 SendBoard(cps, moveNum + 1); // send position after move in stead.
5106 if (cps->useUsermove) {
5107 SendToProgram("usermove ", cps);
5111 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5112 int len = space - parseList[moveNum];
5113 memcpy(buf, parseList[moveNum], len);
5115 buf[len] = NULLCHAR;
5117 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5119 SendToProgram(buf, cps);
5121 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5122 AlphaRank(moveList[moveNum], 4);
5123 SendToProgram(moveList[moveNum], cps);
5124 AlphaRank(moveList[moveNum], 4); // and back
5126 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5127 * the engine. It would be nice to have a better way to identify castle
5129 if(appData.fischerCastling && cps->useOOCastle) {
5130 int fromX = moveList[moveNum][0] - AAA;
5131 int fromY = moveList[moveNum][1] - ONE;
5132 int toX = moveList[moveNum][2] - AAA;
5133 int toY = moveList[moveNum][3] - ONE;
5134 if((boards[moveNum][fromY][fromX] == WhiteKing
5135 && boards[moveNum][toY][toX] == WhiteRook)
5136 || (boards[moveNum][fromY][fromX] == BlackKing
5137 && boards[moveNum][toY][toX] == BlackRook)) {
5138 if(toX > fromX) SendToProgram("O-O\n", cps);
5139 else SendToProgram("O-O-O\n", cps);
5141 else SendToProgram(moveList[moveNum], cps);
5143 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5144 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5145 moveList[moveNum][5], moveList[moveNum][6] - '0',
5146 moveList[moveNum][5], moveList[moveNum][6] - '0',
5147 moveList[moveNum][2], moveList[moveNum][3] - '0');
5148 SendToProgram(buf, cps);
5150 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5151 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5152 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5153 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5154 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5156 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5157 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5158 SendToProgram(buf, cps);
5160 else SendToProgram(moveList[moveNum], cps);
5161 /* End of additions by Tord */
5164 /* [HGM] setting up the opening has brought engine in force mode! */
5165 /* Send 'go' if we are in a mode where machine should play. */
5166 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5167 (gameMode == TwoMachinesPlay ||
5169 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5171 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5172 SendToProgram("go\n", cps);
5173 if (appData.debugMode) {
5174 fprintf(debugFP, "(extra)\n");
5177 setboardSpoiledMachineBlack = 0;
5181 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5183 char user_move[MSG_SIZ];
5186 if(gameInfo.variant == VariantSChess && promoChar) {
5187 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5188 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5189 } else suffix[0] = NULLCHAR;
5193 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5194 (int)moveType, fromX, fromY, toX, toY);
5195 DisplayError(user_move + strlen("say "), 0);
5197 case WhiteKingSideCastle:
5198 case BlackKingSideCastle:
5199 case WhiteQueenSideCastleWild:
5200 case BlackQueenSideCastleWild:
5202 case WhiteHSideCastleFR:
5203 case BlackHSideCastleFR:
5205 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5207 case WhiteQueenSideCastle:
5208 case BlackQueenSideCastle:
5209 case WhiteKingSideCastleWild:
5210 case BlackKingSideCastleWild:
5212 case WhiteASideCastleFR:
5213 case BlackASideCastleFR:
5215 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5217 case WhiteNonPromotion:
5218 case BlackNonPromotion:
5219 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5221 case WhitePromotion:
5222 case BlackPromotion:
5223 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5224 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5225 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5227 PieceToChar(WhiteFerz));
5228 else if(gameInfo.variant == VariantGreat)
5229 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5230 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5231 PieceToChar(WhiteMan));
5233 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5234 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5240 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5241 ToUpper(PieceToChar((ChessSquare) fromX)),
5242 AAA + toX, ONE + toY);
5244 case IllegalMove: /* could be a variant we don't quite understand */
5245 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5247 case WhiteCapturesEnPassant:
5248 case BlackCapturesEnPassant:
5249 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5250 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5253 SendToICS(user_move);
5254 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5255 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5260 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5261 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5262 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5263 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5264 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5267 if(gameMode != IcsExamining) { // is this ever not the case?
5268 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5270 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5271 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5272 } else { // on FICS we must first go to general examine mode
5273 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5275 if(gameInfo.variant != VariantNormal) {
5276 // try figure out wild number, as xboard names are not always valid on ICS
5277 for(i=1; i<=36; i++) {
5278 snprintf(buf, MSG_SIZ, "wild/%d", i);
5279 if(StringToVariant(buf) == gameInfo.variant) break;
5281 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5282 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5283 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5284 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5285 SendToICS(ics_prefix);
5287 if(startedFromSetupPosition || backwardMostMove != 0) {
5288 fen = PositionToFEN(backwardMostMove, NULL, 1);
5289 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5290 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5292 } else { // FICS: everything has to set by separate bsetup commands
5293 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5294 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5296 if(!WhiteOnMove(backwardMostMove)) {
5297 SendToICS("bsetup tomove black\n");
5299 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5300 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5302 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5303 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5305 i = boards[backwardMostMove][EP_STATUS];
5306 if(i >= 0) { // set e.p.
5307 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5313 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5314 SendToICS("bsetup done\n"); // switch to normal examining.
5316 for(i = backwardMostMove; i<last; i++) {
5318 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5319 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5320 int len = strlen(moveList[i]);
5321 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5322 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5326 SendToICS(ics_prefix);
5327 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5330 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5334 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5336 if (rf == DROP_RANK) {
5337 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5338 sprintf(move, "%c@%c%c\n",
5339 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5341 if (promoChar == 'x' || promoChar == NULLCHAR) {
5342 sprintf(move, "%c%c%c%c\n",
5343 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5344 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5346 sprintf(move, "%c%c%c%c%c\n",
5347 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5353 ProcessICSInitScript (FILE *f)
5357 while (fgets(buf, MSG_SIZ, f)) {
5358 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5365 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5367 static ClickType lastClickType;
5370 Partner (ChessSquare *p)
5371 { // change piece into promotion partner if one shogi-promotes to the other
5372 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5373 ChessSquare partner;
5374 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5375 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5383 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5384 static int toggleFlag;
5385 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5386 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5387 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5388 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5389 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5390 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5392 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5393 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5394 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5395 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5396 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5397 if(!step) step = -1;
5398 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5399 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5400 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5401 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5403 int victim = boards[currentMove][toY][toX];
5404 boards[currentMove][toY][toX] = promoSweep;
5405 DrawPosition(FALSE, boards[currentMove]);
5406 boards[currentMove][toY][toX] = victim;
5408 ChangeDragPiece(promoSweep);
5412 PromoScroll (int x, int y)
5416 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5417 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5418 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5419 if(!step) return FALSE;
5420 lastX = x; lastY = y;
5421 if((promoSweep < BlackPawn) == flipView) step = -step;
5422 if(step > 0) selectFlag = 1;
5423 if(!selectFlag) Sweep(step);
5428 NextPiece (int step)
5430 ChessSquare piece = boards[currentMove][toY][toX];
5433 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5434 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5435 if(!step) step = -1;
5436 } while(PieceToChar(pieceSweep) == '.');
5437 boards[currentMove][toY][toX] = pieceSweep;
5438 DrawPosition(FALSE, boards[currentMove]);
5439 boards[currentMove][toY][toX] = piece;
5441 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5443 AlphaRank (char *move, int n)
5445 // char *p = move, c; int x, y;
5447 if (appData.debugMode) {
5448 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5452 move[2]>='0' && move[2]<='9' &&
5453 move[3]>='a' && move[3]<='x' ) {
5455 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5456 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5458 if(move[0]>='0' && move[0]<='9' &&
5459 move[1]>='a' && move[1]<='x' &&
5460 move[2]>='0' && move[2]<='9' &&
5461 move[3]>='a' && move[3]<='x' ) {
5462 /* input move, Shogi -> normal */
5463 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5464 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5465 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5466 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5469 move[3]>='0' && move[3]<='9' &&
5470 move[2]>='a' && move[2]<='x' ) {
5472 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5473 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5476 move[0]>='a' && move[0]<='x' &&
5477 move[3]>='0' && move[3]<='9' &&
5478 move[2]>='a' && move[2]<='x' ) {
5479 /* output move, normal -> Shogi */
5480 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5481 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5482 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5483 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5484 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5486 if (appData.debugMode) {
5487 fprintf(debugFP, " out = '%s'\n", move);
5491 char yy_textstr[8000];
5493 /* Parser for moves from gnuchess, ICS, or user typein box */
5495 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5497 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5499 switch (*moveType) {
5500 case WhitePromotion:
5501 case BlackPromotion:
5502 case WhiteNonPromotion:
5503 case BlackNonPromotion:
5506 case WhiteCapturesEnPassant:
5507 case BlackCapturesEnPassant:
5508 case WhiteKingSideCastle:
5509 case WhiteQueenSideCastle:
5510 case BlackKingSideCastle:
5511 case BlackQueenSideCastle:
5512 case WhiteKingSideCastleWild:
5513 case WhiteQueenSideCastleWild:
5514 case BlackKingSideCastleWild:
5515 case BlackQueenSideCastleWild:
5516 /* Code added by Tord: */
5517 case WhiteHSideCastleFR:
5518 case WhiteASideCastleFR:
5519 case BlackHSideCastleFR:
5520 case BlackASideCastleFR:
5521 /* End of code added by Tord */
5522 case IllegalMove: /* bug or odd chess variant */
5523 *fromX = currentMoveString[0] - AAA;
5524 *fromY = currentMoveString[1] - ONE;
5525 *toX = currentMoveString[2] - AAA;
5526 *toY = currentMoveString[3] - ONE;
5527 *promoChar = currentMoveString[4];
5528 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5529 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5530 if (appData.debugMode) {
5531 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5533 *fromX = *fromY = *toX = *toY = 0;
5536 if (appData.testLegality) {
5537 return (*moveType != IllegalMove);
5539 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5540 // [HGM] lion: if this is a double move we are less critical
5541 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5546 *fromX = *moveType == WhiteDrop ?
5547 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5548 (int) CharToPiece(ToLower(currentMoveString[0]));
5550 *toX = currentMoveString[2] - AAA;
5551 *toY = currentMoveString[3] - ONE;
5552 *promoChar = NULLCHAR;
5556 case ImpossibleMove:
5566 if (appData.debugMode) {
5567 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5570 *fromX = *fromY = *toX = *toY = 0;
5571 *promoChar = NULLCHAR;
5576 Boolean pushed = FALSE;
5577 char *lastParseAttempt;
5580 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5581 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5582 int fromX, fromY, toX, toY; char promoChar;
5587 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5588 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5589 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5592 endPV = forwardMostMove;
5594 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5595 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5596 lastParseAttempt = pv;
5597 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5598 if(!valid && nr == 0 &&
5599 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5600 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5601 // Hande case where played move is different from leading PV move
5602 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5603 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5604 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5605 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5606 endPV += 2; // if position different, keep this
5607 moveList[endPV-1][0] = fromX + AAA;
5608 moveList[endPV-1][1] = fromY + ONE;
5609 moveList[endPV-1][2] = toX + AAA;
5610 moveList[endPV-1][3] = toY + ONE;
5611 parseList[endPV-1][0] = NULLCHAR;
5612 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5615 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5616 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5617 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5618 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5619 valid++; // allow comments in PV
5623 if(endPV+1 > framePtr) break; // no space, truncate
5626 CopyBoard(boards[endPV], boards[endPV-1]);
5627 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5628 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5629 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5630 CoordsToAlgebraic(boards[endPV - 1],
5631 PosFlags(endPV - 1),
5632 fromY, fromX, toY, toX, promoChar,
5633 parseList[endPV - 1]);
5635 if(atEnd == 2) return; // used hidden, for PV conversion
5636 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5637 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5638 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5639 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5640 DrawPosition(TRUE, boards[currentMove]);
5644 MultiPV (ChessProgramState *cps)
5645 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5647 for(i=0; i<cps->nrOptions; i++)
5648 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5653 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5656 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5658 int startPV, multi, lineStart, origIndex = index;
5659 char *p, buf2[MSG_SIZ];
5660 ChessProgramState *cps = (pane ? &second : &first);
5662 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5663 lastX = x; lastY = y;
5664 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5665 lineStart = startPV = index;
5666 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5667 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5669 do{ while(buf[index] && buf[index] != '\n') index++;
5670 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5672 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5673 int n = cps->option[multi].value;
5674 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5675 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5676 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5677 cps->option[multi].value = n;
5680 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5681 ExcludeClick(origIndex - lineStart);
5683 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5684 Collapse(origIndex - lineStart);
5687 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5688 *start = startPV; *end = index-1;
5689 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5696 static char buf[10*MSG_SIZ];
5697 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5699 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5700 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5701 for(i = forwardMostMove; i<endPV; i++){
5702 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5703 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5706 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5707 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5708 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5714 LoadPV (int x, int y)
5715 { // called on right mouse click to load PV
5716 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5717 lastX = x; lastY = y;
5718 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5726 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5727 if(endPV < 0) return;
5728 if(appData.autoCopyPV) CopyFENToClipboard();
5730 if(extendGame && currentMove > forwardMostMove) {
5731 Boolean saveAnimate = appData.animate;
5733 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5734 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5735 } else storedGames--; // abandon shelved tail of original game
5738 forwardMostMove = currentMove;
5739 currentMove = oldFMM;
5740 appData.animate = FALSE;
5741 ToNrEvent(forwardMostMove);
5742 appData.animate = saveAnimate;
5744 currentMove = forwardMostMove;
5745 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5746 ClearPremoveHighlights();
5747 DrawPosition(TRUE, boards[currentMove]);
5751 MovePV (int x, int y, int h)
5752 { // step through PV based on mouse coordinates (called on mouse move)
5753 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5755 // we must somehow check if right button is still down (might be released off board!)
5756 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5757 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5758 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5760 lastX = x; lastY = y;
5762 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5763 if(endPV < 0) return;
5764 if(y < margin) step = 1; else
5765 if(y > h - margin) step = -1;
5766 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5767 currentMove += step;
5768 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5769 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5770 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5771 DrawPosition(FALSE, boards[currentMove]);
5775 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5776 // All positions will have equal probability, but the current method will not provide a unique
5777 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5783 int piecesLeft[(int)BlackPawn];
5784 int seed, nrOfShuffles;
5787 GetPositionNumber ()
5788 { // sets global variable seed
5791 seed = appData.defaultFrcPosition;
5792 if(seed < 0) { // randomize based on time for negative FRC position numbers
5793 for(i=0; i<50; i++) seed += random();
5794 seed = random() ^ random() >> 8 ^ random() << 8;
5795 if(seed<0) seed = -seed;
5800 put (Board board, int pieceType, int rank, int n, int shade)
5801 // put the piece on the (n-1)-th empty squares of the given shade
5805 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5806 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5807 board[rank][i] = (ChessSquare) pieceType;
5808 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5810 piecesLeft[pieceType]--;
5819 AddOnePiece (Board board, int pieceType, int rank, int shade)
5820 // calculate where the next piece goes, (any empty square), and put it there
5824 i = seed % squaresLeft[shade];
5825 nrOfShuffles *= squaresLeft[shade];
5826 seed /= squaresLeft[shade];
5827 put(board, pieceType, rank, i, shade);
5831 AddTwoPieces (Board board, int pieceType, int rank)
5832 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5834 int i, n=squaresLeft[ANY], j=n-1, k;
5836 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5837 i = seed % k; // pick one
5840 while(i >= j) i -= j--;
5841 j = n - 1 - j; i += j;
5842 put(board, pieceType, rank, j, ANY);
5843 put(board, pieceType, rank, i, ANY);
5847 SetUpShuffle (Board board, int number)
5851 GetPositionNumber(); nrOfShuffles = 1;
5853 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5854 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5855 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5857 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5859 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5860 p = (int) board[0][i];
5861 if(p < (int) BlackPawn) piecesLeft[p] ++;
5862 board[0][i] = EmptySquare;
5865 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5866 // shuffles restricted to allow normal castling put KRR first
5867 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5868 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5869 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5870 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5871 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5872 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5873 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5874 put(board, WhiteRook, 0, 0, ANY);
5875 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5878 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5879 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5880 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5881 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5882 while(piecesLeft[p] >= 2) {
5883 AddOnePiece(board, p, 0, LITE);
5884 AddOnePiece(board, p, 0, DARK);
5886 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5889 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5890 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5891 // but we leave King and Rooks for last, to possibly obey FRC restriction
5892 if(p == (int)WhiteRook) continue;
5893 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5894 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5897 // now everything is placed, except perhaps King (Unicorn) and Rooks
5899 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5900 // Last King gets castling rights
5901 while(piecesLeft[(int)WhiteUnicorn]) {
5902 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5903 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5906 while(piecesLeft[(int)WhiteKing]) {
5907 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5908 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5913 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5914 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5917 // Only Rooks can be left; simply place them all
5918 while(piecesLeft[(int)WhiteRook]) {
5919 i = put(board, WhiteRook, 0, 0, ANY);
5920 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5923 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5925 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5928 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5929 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5932 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5936 SetCharTable (char *table, const char * map)
5937 /* [HGM] moved here from winboard.c because of its general usefulness */
5938 /* Basically a safe strcpy that uses the last character as King */
5940 int result = FALSE; int NrPieces;
5942 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5943 && NrPieces >= 12 && !(NrPieces&1)) {
5944 int i; /* [HGM] Accept even length from 12 to 34 */
5946 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5947 for( i=0; i<NrPieces/2-1; i++ ) {
5949 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5951 table[(int) WhiteKing] = map[NrPieces/2-1];
5952 table[(int) BlackKing] = map[NrPieces-1];
5961 Prelude (Board board)
5962 { // [HGM] superchess: random selection of exo-pieces
5963 int i, j, k; ChessSquare p;
5964 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5966 GetPositionNumber(); // use FRC position number
5968 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5969 SetCharTable(pieceToChar, appData.pieceToCharTable);
5970 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5971 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5974 j = seed%4; seed /= 4;
5975 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5976 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5977 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5978 j = seed%3 + (seed%3 >= j); seed /= 3;
5979 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5980 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5981 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5982 j = seed%3; seed /= 3;
5983 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5984 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5985 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5986 j = seed%2 + (seed%2 >= j); seed /= 2;
5987 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5988 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5989 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5990 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5991 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5992 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5993 put(board, exoPieces[0], 0, 0, ANY);
5994 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5998 InitPosition (int redraw)
6000 ChessSquare (* pieces)[BOARD_FILES];
6001 int i, j, pawnRow=1, pieceRows=1, overrule,
6002 oldx = gameInfo.boardWidth,
6003 oldy = gameInfo.boardHeight,
6004 oldh = gameInfo.holdingsWidth;
6007 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6009 /* [AS] Initialize pv info list [HGM] and game status */
6011 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6012 pvInfoList[i].depth = 0;
6013 boards[i][EP_STATUS] = EP_NONE;
6014 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6017 initialRulePlies = 0; /* 50-move counter start */
6019 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6020 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6024 /* [HGM] logic here is completely changed. In stead of full positions */
6025 /* the initialized data only consist of the two backranks. The switch */
6026 /* selects which one we will use, which is than copied to the Board */
6027 /* initialPosition, which for the rest is initialized by Pawns and */
6028 /* empty squares. This initial position is then copied to boards[0], */
6029 /* possibly after shuffling, so that it remains available. */
6031 gameInfo.holdingsWidth = 0; /* default board sizes */
6032 gameInfo.boardWidth = 8;
6033 gameInfo.boardHeight = 8;
6034 gameInfo.holdingsSize = 0;
6035 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6036 for(i=0; i<BOARD_FILES-6; i++)
6037 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6038 initialPosition[EP_STATUS] = EP_NONE;
6039 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6040 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6041 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6042 SetCharTable(pieceNickName, appData.pieceNickNames);
6043 else SetCharTable(pieceNickName, "............");
6046 switch (gameInfo.variant) {
6047 case VariantFischeRandom:
6048 shuffleOpenings = TRUE;
6049 appData.fischerCastling = TRUE;
6052 case VariantShatranj:
6053 pieces = ShatranjArray;
6054 nrCastlingRights = 0;
6055 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6058 pieces = makrukArray;
6059 nrCastlingRights = 0;
6060 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6063 pieces = aseanArray;
6064 nrCastlingRights = 0;
6065 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6067 case VariantTwoKings:
6068 pieces = twoKingsArray;
6071 pieces = GrandArray;
6072 nrCastlingRights = 0;
6073 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6074 gameInfo.boardWidth = 10;
6075 gameInfo.boardHeight = 10;
6076 gameInfo.holdingsSize = 7;
6078 case VariantCapaRandom:
6079 shuffleOpenings = TRUE;
6080 appData.fischerCastling = TRUE;
6081 case VariantCapablanca:
6082 pieces = CapablancaArray;
6083 gameInfo.boardWidth = 10;
6084 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6087 pieces = GothicArray;
6088 gameInfo.boardWidth = 10;
6089 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6092 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6093 gameInfo.holdingsSize = 7;
6094 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6097 pieces = JanusArray;
6098 gameInfo.boardWidth = 10;
6099 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6100 nrCastlingRights = 6;
6101 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6102 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6103 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6104 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6105 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6106 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6109 pieces = FalconArray;
6110 gameInfo.boardWidth = 10;
6111 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6113 case VariantXiangqi:
6114 pieces = XiangqiArray;
6115 gameInfo.boardWidth = 9;
6116 gameInfo.boardHeight = 10;
6117 nrCastlingRights = 0;
6118 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6121 pieces = ShogiArray;
6122 gameInfo.boardWidth = 9;
6123 gameInfo.boardHeight = 9;
6124 gameInfo.holdingsSize = 7;
6125 nrCastlingRights = 0;
6126 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6129 pieces = ChuArray; pieceRows = 3;
6130 gameInfo.boardWidth = 12;
6131 gameInfo.boardHeight = 12;
6132 nrCastlingRights = 0;
6133 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6134 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6136 case VariantCourier:
6137 pieces = CourierArray;
6138 gameInfo.boardWidth = 12;
6139 nrCastlingRights = 0;
6140 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6142 case VariantKnightmate:
6143 pieces = KnightmateArray;
6144 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6146 case VariantSpartan:
6147 pieces = SpartanArray;
6148 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6152 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6154 case VariantChuChess:
6155 pieces = ChuChessArray;
6156 gameInfo.boardWidth = 10;
6157 gameInfo.boardHeight = 10;
6158 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6161 pieces = fairyArray;
6162 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6165 pieces = GreatArray;
6166 gameInfo.boardWidth = 10;
6167 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6168 gameInfo.holdingsSize = 8;
6172 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6173 gameInfo.holdingsSize = 8;
6174 startedFromSetupPosition = TRUE;
6176 case VariantCrazyhouse:
6177 case VariantBughouse:
6179 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6180 gameInfo.holdingsSize = 5;
6182 case VariantWildCastle:
6184 /* !!?shuffle with kings guaranteed to be on d or e file */
6185 shuffleOpenings = 1;
6187 case VariantNoCastle:
6189 nrCastlingRights = 0;
6190 /* !!?unconstrained back-rank shuffle */
6191 shuffleOpenings = 1;
6196 if(appData.NrFiles >= 0) {
6197 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6198 gameInfo.boardWidth = appData.NrFiles;
6200 if(appData.NrRanks >= 0) {
6201 gameInfo.boardHeight = appData.NrRanks;
6203 if(appData.holdingsSize >= 0) {
6204 i = appData.holdingsSize;
6205 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6206 gameInfo.holdingsSize = i;
6208 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6209 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6210 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6212 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6213 if(pawnRow < 1) pawnRow = 1;
6214 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6215 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6216 if(gameInfo.variant == VariantChu) pawnRow = 3;
6218 /* User pieceToChar list overrules defaults */
6219 if(appData.pieceToCharTable != NULL)
6220 SetCharTable(pieceToChar, appData.pieceToCharTable);
6222 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6224 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6225 s = (ChessSquare) 0; /* account holding counts in guard band */
6226 for( i=0; i<BOARD_HEIGHT; i++ )
6227 initialPosition[i][j] = s;
6229 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6230 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6231 initialPosition[pawnRow][j] = WhitePawn;
6232 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6233 if(gameInfo.variant == VariantXiangqi) {
6235 initialPosition[pawnRow][j] =
6236 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6237 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6238 initialPosition[2][j] = WhiteCannon;
6239 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6243 if(gameInfo.variant == VariantChu) {
6244 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6245 initialPosition[pawnRow+1][j] = WhiteCobra,
6246 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6247 for(i=1; i<pieceRows; i++) {
6248 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6249 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6252 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6253 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6254 initialPosition[0][j] = WhiteRook;
6255 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6258 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6260 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6261 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6264 initialPosition[1][j] = WhiteBishop;
6265 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6267 initialPosition[1][j] = WhiteRook;
6268 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6271 if( nrCastlingRights == -1) {
6272 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6273 /* This sets default castling rights from none to normal corners */
6274 /* Variants with other castling rights must set them themselves above */
6275 nrCastlingRights = 6;
6277 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6278 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6279 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6280 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6281 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6282 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6285 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6286 if(gameInfo.variant == VariantGreat) { // promotion commoners
6287 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6288 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6289 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6290 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6292 if( gameInfo.variant == VariantSChess ) {
6293 initialPosition[1][0] = BlackMarshall;
6294 initialPosition[2][0] = BlackAngel;
6295 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6296 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6297 initialPosition[1][1] = initialPosition[2][1] =
6298 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6300 if (appData.debugMode) {
6301 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6303 if(shuffleOpenings) {
6304 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6305 startedFromSetupPosition = TRUE;
6307 if(startedFromPositionFile) {
6308 /* [HGM] loadPos: use PositionFile for every new game */
6309 CopyBoard(initialPosition, filePosition);
6310 for(i=0; i<nrCastlingRights; i++)
6311 initialRights[i] = filePosition[CASTLING][i];
6312 startedFromSetupPosition = TRUE;
6315 CopyBoard(boards[0], initialPosition);
6317 if(oldx != gameInfo.boardWidth ||
6318 oldy != gameInfo.boardHeight ||
6319 oldv != gameInfo.variant ||
6320 oldh != gameInfo.holdingsWidth
6322 InitDrawingSizes(-2 ,0);
6324 oldv = gameInfo.variant;
6326 DrawPosition(TRUE, boards[currentMove]);
6330 SendBoard (ChessProgramState *cps, int moveNum)
6332 char message[MSG_SIZ];
6334 if (cps->useSetboard) {
6335 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6336 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6337 SendToProgram(message, cps);
6342 int i, j, left=0, right=BOARD_WIDTH;
6343 /* Kludge to set black to move, avoiding the troublesome and now
6344 * deprecated "black" command.
6346 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6347 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6349 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6351 SendToProgram("edit\n", cps);
6352 SendToProgram("#\n", cps);
6353 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6354 bp = &boards[moveNum][i][left];
6355 for (j = left; j < right; j++, bp++) {
6356 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6357 if ((int) *bp < (int) BlackPawn) {
6358 if(j == BOARD_RGHT+1)
6359 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6360 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6361 if(message[0] == '+' || message[0] == '~') {
6362 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6363 PieceToChar((ChessSquare)(DEMOTED *bp)),
6366 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6367 message[1] = BOARD_RGHT - 1 - j + '1';
6368 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6370 SendToProgram(message, cps);
6375 SendToProgram("c\n", cps);
6376 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6377 bp = &boards[moveNum][i][left];
6378 for (j = left; j < right; j++, bp++) {
6379 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6380 if (((int) *bp != (int) EmptySquare)
6381 && ((int) *bp >= (int) BlackPawn)) {
6382 if(j == BOARD_LEFT-2)
6383 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6384 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6386 if(message[0] == '+' || message[0] == '~') {
6387 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6388 PieceToChar((ChessSquare)(DEMOTED *bp)),
6391 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6392 message[1] = BOARD_RGHT - 1 - j + '1';
6393 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6395 SendToProgram(message, cps);
6400 SendToProgram(".\n", cps);
6402 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6405 char exclusionHeader[MSG_SIZ];
6406 int exCnt, excludePtr;
6407 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6408 static Exclusion excluTab[200];
6409 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6415 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6416 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6422 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6423 excludePtr = 24; exCnt = 0;
6428 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6429 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6430 char buf[2*MOVE_LEN], *p;
6431 Exclusion *e = excluTab;
6433 for(i=0; i<exCnt; i++)
6434 if(e[i].ff == fromX && e[i].fr == fromY &&
6435 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6436 if(i == exCnt) { // was not in exclude list; add it
6437 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6438 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6439 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6442 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6443 excludePtr++; e[i].mark = excludePtr++;
6444 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6447 exclusionHeader[e[i].mark] = state;
6451 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6452 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6456 if((signed char)promoChar == -1) { // kludge to indicate best move
6457 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6458 return 1; // if unparsable, abort
6460 // update exclusion map (resolving toggle by consulting existing state)
6461 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6463 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6464 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6465 excludeMap[k] |= 1<<j;
6466 else excludeMap[k] &= ~(1<<j);
6468 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6470 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6471 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6473 return (state == '+');
6477 ExcludeClick (int index)
6480 Exclusion *e = excluTab;
6481 if(index < 25) { // none, best or tail clicked
6482 if(index < 13) { // none: include all
6483 WriteMap(0); // clear map
6484 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6485 SendToBoth("include all\n"); // and inform engine
6486 } else if(index > 18) { // tail
6487 if(exclusionHeader[19] == '-') { // tail was excluded
6488 SendToBoth("include all\n");
6489 WriteMap(0); // clear map completely
6490 // now re-exclude selected moves
6491 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6492 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6493 } else { // tail was included or in mixed state
6494 SendToBoth("exclude all\n");
6495 WriteMap(0xFF); // fill map completely
6496 // now re-include selected moves
6497 j = 0; // count them
6498 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6499 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6500 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6503 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6506 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6507 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6508 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6515 DefaultPromoChoice (int white)
6518 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6519 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6520 result = WhiteFerz; // no choice
6521 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6522 result= WhiteKing; // in Suicide Q is the last thing we want
6523 else if(gameInfo.variant == VariantSpartan)
6524 result = white ? WhiteQueen : WhiteAngel;
6525 else result = WhiteQueen;
6526 if(!white) result = WHITE_TO_BLACK result;
6530 static int autoQueen; // [HGM] oneclick
6533 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6535 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6536 /* [HGM] add Shogi promotions */
6537 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6538 ChessSquare piece, partner;
6542 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6543 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6545 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6546 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6549 piece = boards[currentMove][fromY][fromX];
6550 if(gameInfo.variant == VariantChu) {
6551 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6552 promotionZoneSize = BOARD_HEIGHT/3;
6553 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6554 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6555 promotionZoneSize = BOARD_HEIGHT/3;
6556 highestPromotingPiece = (int)WhiteAlfil;
6557 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6558 promotionZoneSize = 3;
6561 // Treat Lance as Pawn when it is not representing Amazon or Lance
6562 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6563 if(piece == WhiteLance) piece = WhitePawn; else
6564 if(piece == BlackLance) piece = BlackPawn;
6567 // next weed out all moves that do not touch the promotion zone at all
6568 if((int)piece >= BlackPawn) {
6569 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6571 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6572 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6574 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6575 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6576 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6580 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6582 // weed out mandatory Shogi promotions
6583 if(gameInfo.variant == VariantShogi) {
6584 if(piece >= BlackPawn) {
6585 if(toY == 0 && piece == BlackPawn ||
6586 toY == 0 && piece == BlackQueen ||
6587 toY <= 1 && piece == BlackKnight) {
6592 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6593 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6594 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6601 // weed out obviously illegal Pawn moves
6602 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6603 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6604 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6605 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6606 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6607 // note we are not allowed to test for valid (non-)capture, due to premove
6610 // we either have a choice what to promote to, or (in Shogi) whether to promote
6611 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6612 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6613 ChessSquare p=BlackFerz; // no choice
6614 while(p < EmptySquare) { //but make sure we use piece that exists
6615 *promoChoice = PieceToChar(p++);
6616 if(*promoChoice != '.') break;
6620 // no sense asking what we must promote to if it is going to explode...
6621 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6622 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6625 // give caller the default choice even if we will not make it
6626 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6627 partner = piece; // pieces can promote if the pieceToCharTable says so
6628 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6629 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6630 if( sweepSelect && gameInfo.variant != VariantGreat
6631 && gameInfo.variant != VariantGrand
6632 && gameInfo.variant != VariantSuper) return FALSE;
6633 if(autoQueen) return FALSE; // predetermined
6635 // suppress promotion popup on illegal moves that are not premoves
6636 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6637 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6638 if(appData.testLegality && !premove) {
6639 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6640 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6641 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6642 if(moveType != WhitePromotion && moveType != BlackPromotion)
6650 InPalace (int row, int column)
6651 { /* [HGM] for Xiangqi */
6652 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6653 column < (BOARD_WIDTH + 4)/2 &&
6654 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6659 PieceForSquare (int x, int y)
6661 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6664 return boards[currentMove][y][x];
6668 OKToStartUserMove (int x, int y)
6670 ChessSquare from_piece;
6673 if (matchMode) return FALSE;
6674 if (gameMode == EditPosition) return TRUE;
6676 if (x >= 0 && y >= 0)
6677 from_piece = boards[currentMove][y][x];
6679 from_piece = EmptySquare;
6681 if (from_piece == EmptySquare) return FALSE;
6683 white_piece = (int)from_piece >= (int)WhitePawn &&
6684 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6688 case TwoMachinesPlay:
6696 case MachinePlaysWhite:
6697 case IcsPlayingBlack:
6698 if (appData.zippyPlay) return FALSE;
6700 DisplayMoveError(_("You are playing Black"));
6705 case MachinePlaysBlack:
6706 case IcsPlayingWhite:
6707 if (appData.zippyPlay) return FALSE;
6709 DisplayMoveError(_("You are playing White"));
6714 case PlayFromGameFile:
6715 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6717 if (!white_piece && WhiteOnMove(currentMove)) {
6718 DisplayMoveError(_("It is White's turn"));
6721 if (white_piece && !WhiteOnMove(currentMove)) {
6722 DisplayMoveError(_("It is Black's turn"));
6725 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6726 /* Editing correspondence game history */
6727 /* Could disallow this or prompt for confirmation */
6732 case BeginningOfGame:
6733 if (appData.icsActive) return FALSE;
6734 if (!appData.noChessProgram) {
6736 DisplayMoveError(_("You are playing White"));
6743 if (!white_piece && WhiteOnMove(currentMove)) {
6744 DisplayMoveError(_("It is White's turn"));
6747 if (white_piece && !WhiteOnMove(currentMove)) {
6748 DisplayMoveError(_("It is Black's turn"));
6757 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6758 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6759 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6760 && gameMode != AnalyzeFile && gameMode != Training) {
6761 DisplayMoveError(_("Displayed position is not current"));
6768 OnlyMove (int *x, int *y, Boolean captures)
6770 DisambiguateClosure cl;
6771 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6773 case MachinePlaysBlack:
6774 case IcsPlayingWhite:
6775 case BeginningOfGame:
6776 if(!WhiteOnMove(currentMove)) return FALSE;
6778 case MachinePlaysWhite:
6779 case IcsPlayingBlack:
6780 if(WhiteOnMove(currentMove)) return FALSE;
6787 cl.pieceIn = EmptySquare;
6792 cl.promoCharIn = NULLCHAR;
6793 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6794 if( cl.kind == NormalMove ||
6795 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6796 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6797 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6804 if(cl.kind != ImpossibleMove) return FALSE;
6805 cl.pieceIn = EmptySquare;
6810 cl.promoCharIn = NULLCHAR;
6811 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6812 if( cl.kind == NormalMove ||
6813 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6814 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6815 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6820 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6826 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6827 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6828 int lastLoadGameUseList = FALSE;
6829 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6830 ChessMove lastLoadGameStart = EndOfFile;
6832 Boolean addToBookFlag;
6835 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6839 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6841 /* Check if the user is playing in turn. This is complicated because we
6842 let the user "pick up" a piece before it is his turn. So the piece he
6843 tried to pick up may have been captured by the time he puts it down!
6844 Therefore we use the color the user is supposed to be playing in this
6845 test, not the color of the piece that is currently on the starting
6846 square---except in EditGame mode, where the user is playing both
6847 sides; fortunately there the capture race can't happen. (It can
6848 now happen in IcsExamining mode, but that's just too bad. The user
6849 will get a somewhat confusing message in that case.)
6854 case TwoMachinesPlay:
6858 /* We switched into a game mode where moves are not accepted,
6859 perhaps while the mouse button was down. */
6862 case MachinePlaysWhite:
6863 /* User is moving for Black */
6864 if (WhiteOnMove(currentMove)) {
6865 DisplayMoveError(_("It is White's turn"));
6870 case MachinePlaysBlack:
6871 /* User is moving for White */
6872 if (!WhiteOnMove(currentMove)) {
6873 DisplayMoveError(_("It is Black's turn"));
6878 case PlayFromGameFile:
6879 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6882 case BeginningOfGame:
6885 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6886 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6887 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6888 /* User is moving for Black */
6889 if (WhiteOnMove(currentMove)) {
6890 DisplayMoveError(_("It is White's turn"));
6894 /* User is moving for White */
6895 if (!WhiteOnMove(currentMove)) {
6896 DisplayMoveError(_("It is Black's turn"));
6902 case IcsPlayingBlack:
6903 /* User is moving for Black */
6904 if (WhiteOnMove(currentMove)) {
6905 if (!appData.premove) {
6906 DisplayMoveError(_("It is White's turn"));
6907 } else if (toX >= 0 && toY >= 0) {
6910 premoveFromX = fromX;
6911 premoveFromY = fromY;
6912 premovePromoChar = promoChar;
6914 if (appData.debugMode)
6915 fprintf(debugFP, "Got premove: fromX %d,"
6916 "fromY %d, toX %d, toY %d\n",
6917 fromX, fromY, toX, toY);
6923 case IcsPlayingWhite:
6924 /* User is moving for White */
6925 if (!WhiteOnMove(currentMove)) {
6926 if (!appData.premove) {
6927 DisplayMoveError(_("It is Black's turn"));
6928 } else if (toX >= 0 && toY >= 0) {
6931 premoveFromX = fromX;
6932 premoveFromY = fromY;
6933 premovePromoChar = promoChar;
6935 if (appData.debugMode)
6936 fprintf(debugFP, "Got premove: fromX %d,"
6937 "fromY %d, toX %d, toY %d\n",
6938 fromX, fromY, toX, toY);
6948 /* EditPosition, empty square, or different color piece;
6949 click-click move is possible */
6950 if (toX == -2 || toY == -2) {
6951 boards[0][fromY][fromX] = EmptySquare;
6952 DrawPosition(FALSE, boards[currentMove]);
6954 } else if (toX >= 0 && toY >= 0) {
6955 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6956 ChessSquare q, p = boards[0][rf][ff];
6957 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6958 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6959 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6960 if(PieceToChar(q) == '+') gatingPiece = p;
6962 boards[0][toY][toX] = boards[0][fromY][fromX];
6963 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6964 if(boards[0][fromY][0] != EmptySquare) {
6965 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6966 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6969 if(fromX == BOARD_RGHT+1) {
6970 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6971 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6972 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6975 boards[0][fromY][fromX] = gatingPiece;
6976 DrawPosition(FALSE, boards[currentMove]);
6982 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6983 pup = boards[currentMove][toY][toX];
6985 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6986 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6987 if( pup != EmptySquare ) return;
6988 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6989 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6990 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6991 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6992 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6993 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6994 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6998 /* [HGM] always test for legality, to get promotion info */
6999 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7000 fromY, fromX, toY, toX, promoChar);
7002 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7004 /* [HGM] but possibly ignore an IllegalMove result */
7005 if (appData.testLegality) {
7006 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7007 DisplayMoveError(_("Illegal move"));
7012 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7013 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7014 ClearPremoveHighlights(); // was included
7015 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7019 if(addToBookFlag) { // adding moves to book
7020 char buf[MSG_SIZ], move[MSG_SIZ];
7021 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7022 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7024 addToBookFlag = FALSE;
7029 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7032 /* Common tail of UserMoveEvent and DropMenuEvent */
7034 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7038 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7039 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7040 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7041 if(WhiteOnMove(currentMove)) {
7042 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7044 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7048 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7049 move type in caller when we know the move is a legal promotion */
7050 if(moveType == NormalMove && promoChar)
7051 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7053 /* [HGM] <popupFix> The following if has been moved here from
7054 UserMoveEvent(). Because it seemed to belong here (why not allow
7055 piece drops in training games?), and because it can only be
7056 performed after it is known to what we promote. */
7057 if (gameMode == Training) {
7058 /* compare the move played on the board to the next move in the
7059 * game. If they match, display the move and the opponent's response.
7060 * If they don't match, display an error message.
7064 CopyBoard(testBoard, boards[currentMove]);
7065 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7067 if (CompareBoards(testBoard, boards[currentMove+1])) {
7068 ForwardInner(currentMove+1);
7070 /* Autoplay the opponent's response.
7071 * if appData.animate was TRUE when Training mode was entered,
7072 * the response will be animated.
7074 saveAnimate = appData.animate;
7075 appData.animate = animateTraining;
7076 ForwardInner(currentMove+1);
7077 appData.animate = saveAnimate;
7079 /* check for the end of the game */
7080 if (currentMove >= forwardMostMove) {
7081 gameMode = PlayFromGameFile;
7083 SetTrainingModeOff();
7084 DisplayInformation(_("End of game"));
7087 DisplayError(_("Incorrect move"), 0);
7092 /* Ok, now we know that the move is good, so we can kill
7093 the previous line in Analysis Mode */
7094 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7095 && currentMove < forwardMostMove) {
7096 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7097 else forwardMostMove = currentMove;
7102 /* If we need the chess program but it's dead, restart it */
7103 ResurrectChessProgram();
7105 /* A user move restarts a paused game*/
7109 thinkOutput[0] = NULLCHAR;
7111 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7113 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7114 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7118 if (gameMode == BeginningOfGame) {
7119 if (appData.noChessProgram) {
7120 gameMode = EditGame;
7124 gameMode = MachinePlaysBlack;
7127 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7129 if (first.sendName) {
7130 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7131 SendToProgram(buf, &first);
7138 /* Relay move to ICS or chess engine */
7139 if (appData.icsActive) {
7140 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7141 gameMode == IcsExamining) {
7142 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7143 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7145 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7147 // also send plain move, in case ICS does not understand atomic claims
7148 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7152 if (first.sendTime && (gameMode == BeginningOfGame ||
7153 gameMode == MachinePlaysWhite ||
7154 gameMode == MachinePlaysBlack)) {
7155 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7157 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7158 // [HGM] book: if program might be playing, let it use book
7159 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7160 first.maybeThinking = TRUE;
7161 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7162 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7163 SendBoard(&first, currentMove+1);
7164 if(second.analyzing) {
7165 if(!second.useSetboard) SendToProgram("undo\n", &second);
7166 SendBoard(&second, currentMove+1);
7169 SendMoveToProgram(forwardMostMove-1, &first);
7170 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7172 if (currentMove == cmailOldMove + 1) {
7173 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7177 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7181 if(appData.testLegality)
7182 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7188 if (WhiteOnMove(currentMove)) {
7189 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7191 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7195 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7200 case MachinePlaysBlack:
7201 case MachinePlaysWhite:
7202 /* disable certain menu options while machine is thinking */
7203 SetMachineThinkingEnables();
7210 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7211 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7213 if(bookHit) { // [HGM] book: simulate book reply
7214 static char bookMove[MSG_SIZ]; // a bit generous?
7216 programStats.nodes = programStats.depth = programStats.time =
7217 programStats.score = programStats.got_only_move = 0;
7218 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7220 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7221 strcat(bookMove, bookHit);
7222 HandleMachineMove(bookMove, &first);
7228 MarkByFEN(char *fen)
7231 if(!appData.markers || !appData.highlightDragging) return;
7232 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7233 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7237 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7238 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7239 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7240 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7241 if(*fen == 'T') marker[r][f++] = 0; else
7242 if(*fen == 'Y') marker[r][f++] = 1; else
7243 if(*fen == 'G') marker[r][f++] = 3; else
7244 if(*fen == 'B') marker[r][f++] = 4; else
7245 if(*fen == 'C') marker[r][f++] = 5; else
7246 if(*fen == 'M') marker[r][f++] = 6; else
7247 if(*fen == 'W') marker[r][f++] = 7; else
7248 if(*fen == 'D') marker[r][f++] = 8; else
7249 if(*fen == 'R') marker[r][f++] = 2; else {
7250 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7253 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7257 DrawPosition(TRUE, NULL);
7260 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7263 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7265 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7266 Markers *m = (Markers *) closure;
7267 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7268 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7269 || kind == WhiteCapturesEnPassant
7270 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7271 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7274 static int hoverSavedValid;
7277 MarkTargetSquares (int clear)
7280 if(clear) { // no reason to ever suppress clearing
7281 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7282 hoverSavedValid = 0;
7283 if(!sum) return; // nothing was cleared,no redraw needed
7286 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7287 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7288 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7289 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7290 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7292 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7295 DrawPosition(FALSE, NULL);
7299 Explode (Board board, int fromX, int fromY, int toX, int toY)
7301 if(gameInfo.variant == VariantAtomic &&
7302 (board[toY][toX] != EmptySquare || // capture?
7303 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7304 board[fromY][fromX] == BlackPawn )
7306 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7312 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7315 CanPromote (ChessSquare piece, int y)
7317 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7318 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7319 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7320 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7321 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7322 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7323 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7324 return (piece == BlackPawn && y <= zone ||
7325 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7326 piece == BlackLance && y == 1 ||
7327 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7331 HoverEvent (int xPix, int yPix, int x, int y)
7333 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7335 if(!first.highlight) return;
7336 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7337 if(x == oldX && y == oldY) return; // only do something if we enter new square
7338 oldFromX = fromX; oldFromY = fromY;
7339 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7341 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7342 hoverSavedValid = 1;
7343 } else if(oldX != x || oldY != y) {
7344 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7345 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7346 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7347 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7348 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7350 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7351 SendToProgram(buf, &first);
7354 // SetHighlights(fromX, fromY, x, y);
7358 void ReportClick(char *action, int x, int y)
7360 char buf[MSG_SIZ]; // Inform engine of what user does
7362 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7363 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7364 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7365 if(!first.highlight || gameMode == EditPosition) return;
7366 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7367 SendToProgram(buf, &first);
7371 LeftClick (ClickType clickType, int xPix, int yPix)
7374 Boolean saveAnimate;
7375 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7376 char promoChoice = NULLCHAR;
7378 static TimeMark lastClickTime, prevClickTime;
7380 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7382 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7384 if (clickType == Press) ErrorPopDown();
7385 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7387 x = EventToSquare(xPix, BOARD_WIDTH);
7388 y = EventToSquare(yPix, BOARD_HEIGHT);
7389 if (!flipView && y >= 0) {
7390 y = BOARD_HEIGHT - 1 - y;
7392 if (flipView && x >= 0) {
7393 x = BOARD_WIDTH - 1 - x;
7396 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7397 defaultPromoChoice = promoSweep;
7398 promoSweep = EmptySquare; // terminate sweep
7399 promoDefaultAltered = TRUE;
7400 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7403 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7404 if(clickType == Release) return; // ignore upclick of click-click destination
7405 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7406 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7407 if(gameInfo.holdingsWidth &&
7408 (WhiteOnMove(currentMove)
7409 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7410 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7411 // click in right holdings, for determining promotion piece
7412 ChessSquare p = boards[currentMove][y][x];
7413 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7414 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7415 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7416 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7421 DrawPosition(FALSE, boards[currentMove]);
7425 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7426 if(clickType == Press
7427 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7428 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7429 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7432 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7433 // could be static click on premove from-square: abort premove
7435 ClearPremoveHighlights();
7438 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7439 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7441 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7442 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7443 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7444 defaultPromoChoice = DefaultPromoChoice(side);
7447 autoQueen = appData.alwaysPromoteToQueen;
7451 gatingPiece = EmptySquare;
7452 if (clickType != Press) {
7453 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7454 DragPieceEnd(xPix, yPix); dragging = 0;
7455 DrawPosition(FALSE, NULL);
7459 doubleClick = FALSE;
7460 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7461 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7463 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7464 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7465 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7466 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7468 if (OKToStartUserMove(fromX, fromY)) {
7470 ReportClick("lift", x, y);
7471 MarkTargetSquares(0);
7472 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7473 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7474 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7475 promoSweep = defaultPromoChoice;
7476 selectFlag = 0; lastX = xPix; lastY = yPix;
7477 Sweep(0); // Pawn that is going to promote: preview promotion piece
7478 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7480 if (appData.highlightDragging) {
7481 SetHighlights(fromX, fromY, -1, -1);
7485 } else fromX = fromY = -1;
7491 if (clickType == Press && gameMode != EditPosition) {
7496 // ignore off-board to clicks
7497 if(y < 0 || x < 0) return;
7499 /* Check if clicking again on the same color piece */
7500 fromP = boards[currentMove][fromY][fromX];
7501 toP = boards[currentMove][y][x];
7502 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7503 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7504 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7505 WhitePawn <= toP && toP <= WhiteKing &&
7506 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7507 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7508 (BlackPawn <= fromP && fromP <= BlackKing &&
7509 BlackPawn <= toP && toP <= BlackKing &&
7510 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7511 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7512 /* Clicked again on same color piece -- changed his mind */
7513 second = (x == fromX && y == fromY);
7515 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7516 second = FALSE; // first double-click rather than scond click
7517 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7519 promoDefaultAltered = FALSE;
7520 MarkTargetSquares(1);
7521 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7522 if (appData.highlightDragging) {
7523 SetHighlights(x, y, -1, -1);
7527 if (OKToStartUserMove(x, y)) {
7528 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7529 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7530 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7531 gatingPiece = boards[currentMove][fromY][fromX];
7532 else gatingPiece = doubleClick ? fromP : EmptySquare;
7534 fromY = y; dragging = 1;
7535 ReportClick("lift", x, y);
7536 MarkTargetSquares(0);
7537 DragPieceBegin(xPix, yPix, FALSE);
7538 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7539 promoSweep = defaultPromoChoice;
7540 selectFlag = 0; lastX = xPix; lastY = yPix;
7541 Sweep(0); // Pawn that is going to promote: preview promotion piece
7545 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7548 // ignore clicks on holdings
7549 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7552 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7553 DragPieceEnd(xPix, yPix); dragging = 0;
7555 // a deferred attempt to click-click move an empty square on top of a piece
7556 boards[currentMove][y][x] = EmptySquare;
7558 DrawPosition(FALSE, boards[currentMove]);
7559 fromX = fromY = -1; clearFlag = 0;
7562 if (appData.animateDragging) {
7563 /* Undo animation damage if any */
7564 DrawPosition(FALSE, NULL);
7566 if (second || sweepSelecting) {
7567 /* Second up/down in same square; just abort move */
7568 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7569 second = sweepSelecting = 0;
7571 gatingPiece = EmptySquare;
7572 MarkTargetSquares(1);
7575 ClearPremoveHighlights();
7577 /* First upclick in same square; start click-click mode */
7578 SetHighlights(x, y, -1, -1);
7585 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7586 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7587 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7588 DisplayMessage(_("only marked squares are legal"),"");
7589 DrawPosition(TRUE, NULL);
7590 return; // ignore to-click
7593 /* we now have a different from- and (possibly off-board) to-square */
7594 /* Completed move */
7595 if(!sweepSelecting) {
7600 piece = boards[currentMove][fromY][fromX];
7602 saveAnimate = appData.animate;
7603 if (clickType == Press) {
7604 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7605 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7606 // must be Edit Position mode with empty-square selected
7607 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7608 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7611 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7614 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7615 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7617 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7618 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7619 if(appData.sweepSelect) {
7620 promoSweep = defaultPromoChoice;
7621 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7622 selectFlag = 0; lastX = xPix; lastY = yPix;
7623 Sweep(0); // Pawn that is going to promote: preview promotion piece
7625 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7626 MarkTargetSquares(1);
7628 return; // promo popup appears on up-click
7630 /* Finish clickclick move */
7631 if (appData.animate || appData.highlightLastMove) {
7632 SetHighlights(fromX, fromY, toX, toY);
7636 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7637 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7638 if (appData.animate || appData.highlightLastMove) {
7639 SetHighlights(fromX, fromY, toX, toY);
7645 // [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
7646 /* Finish drag move */
7647 if (appData.highlightLastMove) {
7648 SetHighlights(fromX, fromY, toX, toY);
7653 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7654 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7655 dragging *= 2; // flag button-less dragging if we are dragging
7656 MarkTargetSquares(1);
7657 if(x == killX && y == killY) killX = killY = -1; else {
7658 killX = x; killY = y; //remeber this square as intermediate
7659 ReportClick("put", x, y); // and inform engine
7660 ReportClick("lift", x, y);
7661 MarkTargetSquares(0);
7665 DragPieceEnd(xPix, yPix); dragging = 0;
7666 /* Don't animate move and drag both */
7667 appData.animate = FALSE;
7670 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7671 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7672 ChessSquare piece = boards[currentMove][fromY][fromX];
7673 if(gameMode == EditPosition && piece != EmptySquare &&
7674 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7677 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7678 n = PieceToNumber(piece - (int)BlackPawn);
7679 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7680 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7681 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7683 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7684 n = PieceToNumber(piece);
7685 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7686 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7687 boards[currentMove][n][BOARD_WIDTH-2]++;
7689 boards[currentMove][fromY][fromX] = EmptySquare;
7693 MarkTargetSquares(1);
7694 DrawPosition(TRUE, boards[currentMove]);
7698 // off-board moves should not be highlighted
7699 if(x < 0 || y < 0) ClearHighlights();
7700 else ReportClick("put", x, y);
7702 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7704 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7705 SetHighlights(fromX, fromY, toX, toY);
7706 MarkTargetSquares(1);
7707 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7708 // [HGM] super: promotion to captured piece selected from holdings
7709 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7710 promotionChoice = TRUE;
7711 // kludge follows to temporarily execute move on display, without promoting yet
7712 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7713 boards[currentMove][toY][toX] = p;
7714 DrawPosition(FALSE, boards[currentMove]);
7715 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7716 boards[currentMove][toY][toX] = q;
7717 DisplayMessage("Click in holdings to choose piece", "");
7720 PromotionPopUp(promoChoice);
7722 int oldMove = currentMove;
7723 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7724 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7725 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7726 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7727 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7728 DrawPosition(TRUE, boards[currentMove]);
7729 MarkTargetSquares(1);
7732 appData.animate = saveAnimate;
7733 if (appData.animate || appData.animateDragging) {
7734 /* Undo animation damage if needed */
7735 DrawPosition(FALSE, NULL);
7740 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7741 { // front-end-free part taken out of PieceMenuPopup
7742 int whichMenu; int xSqr, ySqr;
7744 if(seekGraphUp) { // [HGM] seekgraph
7745 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7746 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7750 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7751 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7752 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7753 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7754 if(action == Press) {
7755 originalFlip = flipView;
7756 flipView = !flipView; // temporarily flip board to see game from partners perspective
7757 DrawPosition(TRUE, partnerBoard);
7758 DisplayMessage(partnerStatus, "");
7760 } else if(action == Release) {
7761 flipView = originalFlip;
7762 DrawPosition(TRUE, boards[currentMove]);
7768 xSqr = EventToSquare(x, BOARD_WIDTH);
7769 ySqr = EventToSquare(y, BOARD_HEIGHT);
7770 if (action == Release) {
7771 if(pieceSweep != EmptySquare) {
7772 EditPositionMenuEvent(pieceSweep, toX, toY);
7773 pieceSweep = EmptySquare;
7774 } else UnLoadPV(); // [HGM] pv
7776 if (action != Press) return -2; // return code to be ignored
7779 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7781 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7782 if (xSqr < 0 || ySqr < 0) return -1;
7783 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7784 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7785 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7786 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7790 if(!appData.icsEngineAnalyze) return -1;
7791 case IcsPlayingWhite:
7792 case IcsPlayingBlack:
7793 if(!appData.zippyPlay) goto noZip;
7796 case MachinePlaysWhite:
7797 case MachinePlaysBlack:
7798 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7799 if (!appData.dropMenu) {
7801 return 2; // flag front-end to grab mouse events
7803 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7804 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7807 if (xSqr < 0 || ySqr < 0) return -1;
7808 if (!appData.dropMenu || appData.testLegality &&
7809 gameInfo.variant != VariantBughouse &&
7810 gameInfo.variant != VariantCrazyhouse) return -1;
7811 whichMenu = 1; // drop menu
7817 if (((*fromX = xSqr) < 0) ||
7818 ((*fromY = ySqr) < 0)) {
7819 *fromX = *fromY = -1;
7823 *fromX = BOARD_WIDTH - 1 - *fromX;
7825 *fromY = BOARD_HEIGHT - 1 - *fromY;
7831 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7833 // char * hint = lastHint;
7834 FrontEndProgramStats stats;
7836 stats.which = cps == &first ? 0 : 1;
7837 stats.depth = cpstats->depth;
7838 stats.nodes = cpstats->nodes;
7839 stats.score = cpstats->score;
7840 stats.time = cpstats->time;
7841 stats.pv = cpstats->movelist;
7842 stats.hint = lastHint;
7843 stats.an_move_index = 0;
7844 stats.an_move_count = 0;
7846 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7847 stats.hint = cpstats->move_name;
7848 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7849 stats.an_move_count = cpstats->nr_moves;
7852 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
7854 SetProgramStats( &stats );
7858 ClearEngineOutputPane (int which)
7860 static FrontEndProgramStats dummyStats;
7861 dummyStats.which = which;
7862 dummyStats.pv = "#";
7863 SetProgramStats( &dummyStats );
7866 #define MAXPLAYERS 500
7869 TourneyStandings (int display)
7871 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7872 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7873 char result, *p, *names[MAXPLAYERS];
7875 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7876 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7877 names[0] = p = strdup(appData.participants);
7878 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7880 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7882 while(result = appData.results[nr]) {
7883 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7884 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7885 wScore = bScore = 0;
7887 case '+': wScore = 2; break;
7888 case '-': bScore = 2; break;
7889 case '=': wScore = bScore = 1; break;
7891 case '*': return strdup("busy"); // tourney not finished
7899 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7900 for(w=0; w<nPlayers; w++) {
7902 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7903 ranking[w] = b; points[w] = bScore; score[b] = -2;
7905 p = malloc(nPlayers*34+1);
7906 for(w=0; w<nPlayers && w<display; w++)
7907 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7913 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7914 { // count all piece types
7916 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7917 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7918 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7921 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7922 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7923 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7924 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7925 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7926 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7931 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7933 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7934 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7936 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7937 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7938 if(myPawns == 2 && nMine == 3) // KPP
7939 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7940 if(myPawns == 1 && nMine == 2) // KP
7941 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7942 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7943 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7944 if(myPawns) return FALSE;
7945 if(pCnt[WhiteRook+side])
7946 return pCnt[BlackRook-side] ||
7947 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7948 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7949 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7950 if(pCnt[WhiteCannon+side]) {
7951 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7952 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7954 if(pCnt[WhiteKnight+side])
7955 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7960 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7962 VariantClass v = gameInfo.variant;
7964 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7965 if(v == VariantShatranj) return TRUE; // always winnable through baring
7966 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7967 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7969 if(v == VariantXiangqi) {
7970 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7972 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7973 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7974 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7975 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7976 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7977 if(stale) // we have at least one last-rank P plus perhaps C
7978 return majors // KPKX
7979 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7981 return pCnt[WhiteFerz+side] // KCAK
7982 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7983 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7984 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7986 } else if(v == VariantKnightmate) {
7987 if(nMine == 1) return FALSE;
7988 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7989 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7990 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7992 if(nMine == 1) return FALSE; // bare King
7993 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
7994 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7995 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7996 // by now we have King + 1 piece (or multiple Bishops on the same color)
7997 if(pCnt[WhiteKnight+side])
7998 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7999 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8000 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8002 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8003 if(pCnt[WhiteAlfil+side])
8004 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8005 if(pCnt[WhiteWazir+side])
8006 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8013 CompareWithRights (Board b1, Board b2)
8016 if(!CompareBoards(b1, b2)) return FALSE;
8017 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8018 /* compare castling rights */
8019 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8020 rights++; /* King lost rights, while rook still had them */
8021 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8022 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8023 rights++; /* but at least one rook lost them */
8025 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8027 if( b1[CASTLING][5] != NoRights ) {
8028 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8035 Adjudicate (ChessProgramState *cps)
8036 { // [HGM] some adjudications useful with buggy engines
8037 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8038 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8039 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8040 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8041 int k, drop, count = 0; static int bare = 1;
8042 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8043 Boolean canAdjudicate = !appData.icsActive;
8045 // most tests only when we understand the game, i.e. legality-checking on
8046 if( appData.testLegality )
8047 { /* [HGM] Some more adjudications for obstinate engines */
8048 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8049 static int moveCount = 6;
8051 char *reason = NULL;
8053 /* Count what is on board. */
8054 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8056 /* Some material-based adjudications that have to be made before stalemate test */
8057 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8058 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8059 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8060 if(canAdjudicate && appData.checkMates) {
8062 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8063 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8064 "Xboard adjudication: King destroyed", GE_XBOARD );
8069 /* Bare King in Shatranj (loses) or Losers (wins) */
8070 if( nrW == 1 || nrB == 1) {
8071 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8072 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8073 if(canAdjudicate && appData.checkMates) {
8075 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8076 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8077 "Xboard adjudication: Bare king", GE_XBOARD );
8081 if( gameInfo.variant == VariantShatranj && --bare < 0)
8083 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8084 if(canAdjudicate && appData.checkMates) {
8085 /* but only adjudicate if adjudication enabled */
8087 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8088 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8089 "Xboard adjudication: Bare king", GE_XBOARD );
8096 // don't wait for engine to announce game end if we can judge ourselves
8097 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8099 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8100 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8101 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8102 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8105 reason = "Xboard adjudication: 3rd check";
8106 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8117 reason = "Xboard adjudication: Stalemate";
8118 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8119 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8120 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8121 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8122 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8123 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8124 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8125 EP_CHECKMATE : EP_WINS);
8126 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8127 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8131 reason = "Xboard adjudication: Checkmate";
8132 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8133 if(gameInfo.variant == VariantShogi) {
8134 if(forwardMostMove > backwardMostMove
8135 && moveList[forwardMostMove-1][1] == '@'
8136 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8137 reason = "XBoard adjudication: pawn-drop mate";
8138 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8144 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8146 result = GameIsDrawn; break;
8148 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8150 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8154 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8156 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8157 GameEnds( result, reason, GE_XBOARD );
8161 /* Next absolutely insufficient mating material. */
8162 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8163 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8164 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8166 /* always flag draws, for judging claims */
8167 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8169 if(canAdjudicate && appData.materialDraws) {
8170 /* but only adjudicate them if adjudication enabled */
8171 if(engineOpponent) {
8172 SendToProgram("force\n", engineOpponent); // suppress reply
8173 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8175 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8180 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8181 if(gameInfo.variant == VariantXiangqi ?
8182 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8184 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8185 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8186 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8187 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8189 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8190 { /* if the first 3 moves do not show a tactical win, declare draw */
8191 if(engineOpponent) {
8192 SendToProgram("force\n", engineOpponent); // suppress reply
8193 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8195 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8198 } else moveCount = 6;
8201 // Repetition draws and 50-move rule can be applied independently of legality testing
8203 /* Check for rep-draws */
8205 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8206 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8207 for(k = forwardMostMove-2;
8208 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8209 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8210 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8213 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8214 /* compare castling rights */
8215 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8216 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8217 rights++; /* King lost rights, while rook still had them */
8218 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8219 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8220 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8221 rights++; /* but at least one rook lost them */
8223 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8224 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8226 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8227 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8228 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8231 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8232 && appData.drawRepeats > 1) {
8233 /* adjudicate after user-specified nr of repeats */
8234 int result = GameIsDrawn;
8235 char *details = "XBoard adjudication: repetition draw";
8236 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8237 // [HGM] xiangqi: check for forbidden perpetuals
8238 int m, ourPerpetual = 1, hisPerpetual = 1;
8239 for(m=forwardMostMove; m>k; m-=2) {
8240 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8241 ourPerpetual = 0; // the current mover did not always check
8242 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8243 hisPerpetual = 0; // the opponent did not always check
8245 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8246 ourPerpetual, hisPerpetual);
8247 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8248 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8249 details = "Xboard adjudication: perpetual checking";
8251 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8252 break; // (or we would have caught him before). Abort repetition-checking loop.
8254 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8255 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8257 details = "Xboard adjudication: repetition";
8259 } else // it must be XQ
8260 // Now check for perpetual chases
8261 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8262 hisPerpetual = PerpetualChase(k, forwardMostMove);
8263 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8264 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8265 static char resdet[MSG_SIZ];
8266 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8268 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8270 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8271 break; // Abort repetition-checking loop.
8273 // if neither of us is checking or chasing all the time, or both are, it is draw
8275 if(engineOpponent) {
8276 SendToProgram("force\n", engineOpponent); // suppress reply
8277 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8279 GameEnds( result, details, GE_XBOARD );
8282 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8283 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8287 /* Now we test for 50-move draws. Determine ply count */
8288 count = forwardMostMove;
8289 /* look for last irreversble move */
8290 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8292 /* if we hit starting position, add initial plies */
8293 if( count == backwardMostMove )
8294 count -= initialRulePlies;
8295 count = forwardMostMove - count;
8296 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8297 // adjust reversible move counter for checks in Xiangqi
8298 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8299 if(i < backwardMostMove) i = backwardMostMove;
8300 while(i <= forwardMostMove) {
8301 lastCheck = inCheck; // check evasion does not count
8302 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8303 if(inCheck || lastCheck) count--; // check does not count
8308 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8309 /* this is used to judge if draw claims are legal */
8310 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8311 if(engineOpponent) {
8312 SendToProgram("force\n", engineOpponent); // suppress reply
8313 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8315 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8319 /* if draw offer is pending, treat it as a draw claim
8320 * when draw condition present, to allow engines a way to
8321 * claim draws before making their move to avoid a race
8322 * condition occurring after their move
8324 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8326 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8327 p = "Draw claim: 50-move rule";
8328 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8329 p = "Draw claim: 3-fold repetition";
8330 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8331 p = "Draw claim: insufficient mating material";
8332 if( p != NULL && canAdjudicate) {
8333 if(engineOpponent) {
8334 SendToProgram("force\n", engineOpponent); // suppress reply
8335 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8337 GameEnds( GameIsDrawn, p, GE_XBOARD );
8342 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8343 if(engineOpponent) {
8344 SendToProgram("force\n", engineOpponent); // suppress reply
8345 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8347 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8353 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8354 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8355 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8360 int pieces[10], squares[10], cnt=0, r, f, res;
8362 static PPROBE_EGBB probeBB;
8363 if(!appData.testLegality) return 10;
8364 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8365 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8366 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8367 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8368 ChessSquare piece = boards[forwardMostMove][r][f];
8369 int black = (piece >= BlackPawn);
8370 int type = piece - black*BlackPawn;
8371 if(piece == EmptySquare) continue;
8372 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8373 if(type == WhiteKing) type = WhiteQueen + 1;
8374 type = egbbCode[type];
8375 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8376 pieces[cnt] = type + black*6;
8377 if(++cnt > 5) return 11;
8379 pieces[cnt] = squares[cnt] = 0;
8381 if(loaded == 2) return 13; // loading failed before
8383 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8386 loaded = 2; // prepare for failure
8387 if(!path) return 13; // no egbb installed
8388 strncpy(buf, path + 8, MSG_SIZ);
8389 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8390 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8391 lib = LoadLibrary(buf);
8392 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8393 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8394 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8395 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8396 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8397 loaded = 1; // success!
8399 res = probeBB(forwardMostMove & 1, pieces, squares);
8400 return res > 0 ? 1 : res < 0 ? -1 : 0;
8404 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8405 { // [HGM] book: this routine intercepts moves to simulate book replies
8406 char *bookHit = NULL;
8408 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8410 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8411 SendToProgram(buf, cps);
8413 //first determine if the incoming move brings opponent into his book
8414 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8415 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8416 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8417 if(bookHit != NULL && !cps->bookSuspend) {
8418 // make sure opponent is not going to reply after receiving move to book position
8419 SendToProgram("force\n", cps);
8420 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8422 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8423 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8424 // now arrange restart after book miss
8426 // after a book hit we never send 'go', and the code after the call to this routine
8427 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8428 char buf[MSG_SIZ], *move = bookHit;
8430 int fromX, fromY, toX, toY;
8434 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8435 &fromX, &fromY, &toX, &toY, &promoChar)) {
8436 (void) CoordsToAlgebraic(boards[forwardMostMove],
8437 PosFlags(forwardMostMove),
8438 fromY, fromX, toY, toX, promoChar, move);
8440 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8444 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8445 SendToProgram(buf, cps);
8446 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8447 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8448 SendToProgram("go\n", cps);
8449 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8450 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8451 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8452 SendToProgram("go\n", cps);
8453 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8455 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8459 LoadError (char *errmess, ChessProgramState *cps)
8460 { // unloads engine and switches back to -ncp mode if it was first
8461 if(cps->initDone) return FALSE;
8462 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8463 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8466 appData.noChessProgram = TRUE;
8467 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8468 gameMode = BeginningOfGame; ModeHighlight();
8471 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8472 DisplayMessage("", ""); // erase waiting message
8473 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8478 ChessProgramState *savedState;
8480 DeferredBookMove (void)
8482 if(savedState->lastPing != savedState->lastPong)
8483 ScheduleDelayedEvent(DeferredBookMove, 10);
8485 HandleMachineMove(savedMessage, savedState);
8488 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8489 static ChessProgramState *stalledEngine;
8490 static char stashedInputMove[MSG_SIZ];
8493 HandleMachineMove (char *message, ChessProgramState *cps)
8495 static char firstLeg[20];
8496 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8497 char realname[MSG_SIZ];
8498 int fromX, fromY, toX, toY;
8500 char promoChar, roar;
8502 int machineWhite, oldError;
8505 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8506 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8507 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8508 DisplayError(_("Invalid pairing from pairing engine"), 0);
8511 pairingReceived = 1;
8513 return; // Skim the pairing messages here.
8516 oldError = cps->userError; cps->userError = 0;
8518 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8520 * Kludge to ignore BEL characters
8522 while (*message == '\007') message++;
8525 * [HGM] engine debug message: ignore lines starting with '#' character
8527 if(cps->debug && *message == '#') return;
8530 * Look for book output
8532 if (cps == &first && bookRequested) {
8533 if (message[0] == '\t' || message[0] == ' ') {
8534 /* Part of the book output is here; append it */
8535 strcat(bookOutput, message);
8536 strcat(bookOutput, " \n");
8538 } else if (bookOutput[0] != NULLCHAR) {
8539 /* All of book output has arrived; display it */
8540 char *p = bookOutput;
8541 while (*p != NULLCHAR) {
8542 if (*p == '\t') *p = ' ';
8545 DisplayInformation(bookOutput);
8546 bookRequested = FALSE;
8547 /* Fall through to parse the current output */
8552 * Look for machine move.
8554 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8555 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8557 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8558 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8559 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8560 stalledEngine = cps;
8561 if(appData.ponderNextMove) { // bring opponent out of ponder
8562 if(gameMode == TwoMachinesPlay) {
8563 if(cps->other->pause)
8564 PauseEngine(cps->other);
8566 SendToProgram("easy\n", cps->other);
8573 /* This method is only useful on engines that support ping */
8574 if (cps->lastPing != cps->lastPong) {
8575 if (gameMode == BeginningOfGame) {
8576 /* Extra move from before last new; ignore */
8577 if (appData.debugMode) {
8578 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8581 if (appData.debugMode) {
8582 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8583 cps->which, gameMode);
8586 SendToProgram("undo\n", cps);
8592 case BeginningOfGame:
8593 /* Extra move from before last reset; ignore */
8594 if (appData.debugMode) {
8595 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8602 /* Extra move after we tried to stop. The mode test is
8603 not a reliable way of detecting this problem, but it's
8604 the best we can do on engines that don't support ping.
8606 if (appData.debugMode) {
8607 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8608 cps->which, gameMode);
8610 SendToProgram("undo\n", cps);
8613 case MachinePlaysWhite:
8614 case IcsPlayingWhite:
8615 machineWhite = TRUE;
8618 case MachinePlaysBlack:
8619 case IcsPlayingBlack:
8620 machineWhite = FALSE;
8623 case TwoMachinesPlay:
8624 machineWhite = (cps->twoMachinesColor[0] == 'w');
8627 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8628 if (appData.debugMode) {
8630 "Ignoring move out of turn by %s, gameMode %d"
8631 ", forwardMost %d\n",
8632 cps->which, gameMode, forwardMostMove);
8637 if(cps->alphaRank) AlphaRank(machineMove, 4);
8639 // [HGM] lion: (some very limited) support for Alien protocol
8641 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8642 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8644 } else if(firstLeg[0]) { // there was a previous leg;
8645 // only support case where same piece makes two step (and don't even test that!)
8646 char buf[20], *p = machineMove+1, *q = buf+1, f;
8647 safeStrCpy(buf, machineMove, 20);
8648 while(isdigit(*q)) q++; // find start of to-square
8649 safeStrCpy(machineMove, firstLeg, 20);
8650 while(isdigit(*p)) p++;
8651 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8652 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8653 firstLeg[0] = NULLCHAR;
8656 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8657 &fromX, &fromY, &toX, &toY, &promoChar)) {
8658 /* Machine move could not be parsed; ignore it. */
8659 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8660 machineMove, _(cps->which));
8661 DisplayMoveError(buf1);
8662 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8663 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8664 if (gameMode == TwoMachinesPlay) {
8665 GameEnds(machineWhite ? BlackWins : WhiteWins,
8671 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8672 /* So we have to redo legality test with true e.p. status here, */
8673 /* to make sure an illegal e.p. capture does not slip through, */
8674 /* to cause a forfeit on a justified illegal-move complaint */
8675 /* of the opponent. */
8676 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8678 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8679 fromY, fromX, toY, toX, promoChar);
8680 if(moveType == IllegalMove) {
8681 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8682 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8683 GameEnds(machineWhite ? BlackWins : WhiteWins,
8686 } else if(!appData.fischerCastling)
8687 /* [HGM] Kludge to handle engines that send FRC-style castling
8688 when they shouldn't (like TSCP-Gothic) */
8690 case WhiteASideCastleFR:
8691 case BlackASideCastleFR:
8693 currentMoveString[2]++;
8695 case WhiteHSideCastleFR:
8696 case BlackHSideCastleFR:
8698 currentMoveString[2]--;
8700 default: ; // nothing to do, but suppresses warning of pedantic compilers
8703 hintRequested = FALSE;
8704 lastHint[0] = NULLCHAR;
8705 bookRequested = FALSE;
8706 /* Program may be pondering now */
8707 cps->maybeThinking = TRUE;
8708 if (cps->sendTime == 2) cps->sendTime = 1;
8709 if (cps->offeredDraw) cps->offeredDraw--;
8711 /* [AS] Save move info*/
8712 pvInfoList[ forwardMostMove ].score = programStats.score;
8713 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8714 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8716 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8718 /* Test suites abort the 'game' after one move */
8719 if(*appData.finger) {
8721 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8722 if(!f) f = fopen(appData.finger, "w");
8723 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8724 else { DisplayFatalError("Bad output file", errno, 0); return; }
8726 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8729 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8730 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8733 while( count < adjudicateLossPlies ) {
8734 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8737 score = -score; /* Flip score for winning side */
8740 if( score > appData.adjudicateLossThreshold ) {
8747 if( count >= adjudicateLossPlies ) {
8748 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8750 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8751 "Xboard adjudication",
8758 if(Adjudicate(cps)) {
8759 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8760 return; // [HGM] adjudicate: for all automatic game ends
8764 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8766 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8767 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8769 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8771 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8773 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8774 char buf[3*MSG_SIZ];
8776 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8777 programStats.score / 100.,
8779 programStats.time / 100.,
8780 (unsigned int)programStats.nodes,
8781 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8782 programStats.movelist);
8788 /* [AS] Clear stats for next move */
8789 ClearProgramStats();
8790 thinkOutput[0] = NULLCHAR;
8791 hiddenThinkOutputState = 0;
8794 if (gameMode == TwoMachinesPlay) {
8795 /* [HGM] relaying draw offers moved to after reception of move */
8796 /* and interpreting offer as claim if it brings draw condition */
8797 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8798 SendToProgram("draw\n", cps->other);
8800 if (cps->other->sendTime) {
8801 SendTimeRemaining(cps->other,
8802 cps->other->twoMachinesColor[0] == 'w');
8804 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8805 if (firstMove && !bookHit) {
8807 if (cps->other->useColors) {
8808 SendToProgram(cps->other->twoMachinesColor, cps->other);
8810 SendToProgram("go\n", cps->other);
8812 cps->other->maybeThinking = TRUE;
8815 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8817 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8819 if (!pausing && appData.ringBellAfterMoves) {
8820 if(!roar) RingBell();
8824 * Reenable menu items that were disabled while
8825 * machine was thinking
8827 if (gameMode != TwoMachinesPlay)
8828 SetUserThinkingEnables();
8830 // [HGM] book: after book hit opponent has received move and is now in force mode
8831 // force the book reply into it, and then fake that it outputted this move by jumping
8832 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8834 static char bookMove[MSG_SIZ]; // a bit generous?
8836 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8837 strcat(bookMove, bookHit);
8840 programStats.nodes = programStats.depth = programStats.time =
8841 programStats.score = programStats.got_only_move = 0;
8842 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8844 if(cps->lastPing != cps->lastPong) {
8845 savedMessage = message; // args for deferred call
8847 ScheduleDelayedEvent(DeferredBookMove, 10);
8856 /* Set special modes for chess engines. Later something general
8857 * could be added here; for now there is just one kludge feature,
8858 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8859 * when "xboard" is given as an interactive command.
8861 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8862 cps->useSigint = FALSE;
8863 cps->useSigterm = FALSE;
8865 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8866 ParseFeatures(message+8, cps);
8867 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8870 if (!strncmp(message, "setup ", 6) &&
8871 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8872 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8873 ) { // [HGM] allow first engine to define opening position
8874 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8875 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8877 if(sscanf(message, "setup (%s", buf) == 1) {
8878 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8879 ASSIGN(appData.pieceToCharTable, buf);
8881 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8883 while(message[s] && message[s++] != ' ');
8884 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8885 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8886 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8887 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8888 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8889 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8890 startedFromSetupPosition = FALSE;
8893 if(startedFromSetupPosition) return;
8894 ParseFEN(boards[0], &dummy, message+s, FALSE);
8895 DrawPosition(TRUE, boards[0]);
8896 CopyBoard(initialPosition, boards[0]);
8897 startedFromSetupPosition = TRUE;
8900 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8901 ChessSquare piece = WhitePawn;
8903 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8904 piece += CharToPiece(*p) - WhitePawn;
8905 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
8906 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
8907 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
8908 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
8909 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
8910 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
8911 && gameInfo.variant != VariantFairy ) return;
8912 if(piece < EmptySquare) {
8914 ASSIGN(pieceDesc[piece], buf1);
8915 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8919 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8920 * want this, I was asked to put it in, and obliged.
8922 if (!strncmp(message, "setboard ", 9)) {
8923 Board initial_position;
8925 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8927 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8928 DisplayError(_("Bad FEN received from engine"), 0);
8932 CopyBoard(boards[0], initial_position);
8933 initialRulePlies = FENrulePlies;
8934 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8935 else gameMode = MachinePlaysBlack;
8936 DrawPosition(FALSE, boards[currentMove]);
8942 * Look for communication commands
8944 if (!strncmp(message, "telluser ", 9)) {
8945 if(message[9] == '\\' && message[10] == '\\')
8946 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8948 DisplayNote(message + 9);
8951 if (!strncmp(message, "tellusererror ", 14)) {
8953 if(message[14] == '\\' && message[15] == '\\')
8954 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8956 DisplayError(message + 14, 0);
8959 if (!strncmp(message, "tellopponent ", 13)) {
8960 if (appData.icsActive) {
8962 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8966 DisplayNote(message + 13);
8970 if (!strncmp(message, "tellothers ", 11)) {
8971 if (appData.icsActive) {
8973 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8976 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8979 if (!strncmp(message, "tellall ", 8)) {
8980 if (appData.icsActive) {
8982 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8986 DisplayNote(message + 8);
8990 if (strncmp(message, "warning", 7) == 0) {
8991 /* Undocumented feature, use tellusererror in new code */
8992 DisplayError(message, 0);
8995 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8996 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8997 strcat(realname, " query");
8998 AskQuestion(realname, buf2, buf1, cps->pr);
9001 /* Commands from the engine directly to ICS. We don't allow these to be
9002 * sent until we are logged on. Crafty kibitzes have been known to
9003 * interfere with the login process.
9006 if (!strncmp(message, "tellics ", 8)) {
9007 SendToICS(message + 8);
9011 if (!strncmp(message, "tellicsnoalias ", 15)) {
9012 SendToICS(ics_prefix);
9013 SendToICS(message + 15);
9017 /* The following are for backward compatibility only */
9018 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9019 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9020 SendToICS(ics_prefix);
9026 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9027 if(initPing == cps->lastPong) {
9028 if(gameInfo.variant == VariantUnknown) {
9029 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9030 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9031 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9037 if(!strncmp(message, "highlight ", 10)) {
9038 if(appData.testLegality && appData.markers) return;
9039 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9042 if(!strncmp(message, "click ", 6)) {
9043 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9044 if(appData.testLegality || !appData.oneClick) return;
9045 sscanf(message+6, "%c%d%c", &f, &y, &c);
9046 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9047 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9048 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9049 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9050 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9051 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9052 LeftClick(Release, lastLeftX, lastLeftY);
9053 controlKey = (c == ',');
9054 LeftClick(Press, x, y);
9055 LeftClick(Release, x, y);
9056 first.highlight = f;
9060 * If the move is illegal, cancel it and redraw the board.
9061 * Also deal with other error cases. Matching is rather loose
9062 * here to accommodate engines written before the spec.
9064 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9065 strncmp(message, "Error", 5) == 0) {
9066 if (StrStr(message, "name") ||
9067 StrStr(message, "rating") || StrStr(message, "?") ||
9068 StrStr(message, "result") || StrStr(message, "board") ||
9069 StrStr(message, "bk") || StrStr(message, "computer") ||
9070 StrStr(message, "variant") || StrStr(message, "hint") ||
9071 StrStr(message, "random") || StrStr(message, "depth") ||
9072 StrStr(message, "accepted")) {
9075 if (StrStr(message, "protover")) {
9076 /* Program is responding to input, so it's apparently done
9077 initializing, and this error message indicates it is
9078 protocol version 1. So we don't need to wait any longer
9079 for it to initialize and send feature commands. */
9080 FeatureDone(cps, 1);
9081 cps->protocolVersion = 1;
9084 cps->maybeThinking = FALSE;
9086 if (StrStr(message, "draw")) {
9087 /* Program doesn't have "draw" command */
9088 cps->sendDrawOffers = 0;
9091 if (cps->sendTime != 1 &&
9092 (StrStr(message, "time") || StrStr(message, "otim"))) {
9093 /* Program apparently doesn't have "time" or "otim" command */
9097 if (StrStr(message, "analyze")) {
9098 cps->analysisSupport = FALSE;
9099 cps->analyzing = FALSE;
9100 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9101 EditGameEvent(); // [HGM] try to preserve loaded game
9102 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9103 DisplayError(buf2, 0);
9106 if (StrStr(message, "(no matching move)st")) {
9107 /* Special kludge for GNU Chess 4 only */
9108 cps->stKludge = TRUE;
9109 SendTimeControl(cps, movesPerSession, timeControl,
9110 timeIncrement, appData.searchDepth,
9114 if (StrStr(message, "(no matching move)sd")) {
9115 /* Special kludge for GNU Chess 4 only */
9116 cps->sdKludge = TRUE;
9117 SendTimeControl(cps, movesPerSession, timeControl,
9118 timeIncrement, appData.searchDepth,
9122 if (!StrStr(message, "llegal")) {
9125 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9126 gameMode == IcsIdle) return;
9127 if (forwardMostMove <= backwardMostMove) return;
9128 if (pausing) PauseEvent();
9129 if(appData.forceIllegal) {
9130 // [HGM] illegal: machine refused move; force position after move into it
9131 SendToProgram("force\n", cps);
9132 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9133 // we have a real problem now, as SendBoard will use the a2a3 kludge
9134 // when black is to move, while there might be nothing on a2 or black
9135 // might already have the move. So send the board as if white has the move.
9136 // But first we must change the stm of the engine, as it refused the last move
9137 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9138 if(WhiteOnMove(forwardMostMove)) {
9139 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9140 SendBoard(cps, forwardMostMove); // kludgeless board
9142 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9143 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9144 SendBoard(cps, forwardMostMove+1); // kludgeless board
9146 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9147 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9148 gameMode == TwoMachinesPlay)
9149 SendToProgram("go\n", cps);
9152 if (gameMode == PlayFromGameFile) {
9153 /* Stop reading this game file */
9154 gameMode = EditGame;
9157 /* [HGM] illegal-move claim should forfeit game when Xboard */
9158 /* only passes fully legal moves */
9159 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9160 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9161 "False illegal-move claim", GE_XBOARD );
9162 return; // do not take back move we tested as valid
9164 currentMove = forwardMostMove-1;
9165 DisplayMove(currentMove-1); /* before DisplayMoveError */
9166 SwitchClocks(forwardMostMove-1); // [HGM] race
9167 DisplayBothClocks();
9168 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9169 parseList[currentMove], _(cps->which));
9170 DisplayMoveError(buf1);
9171 DrawPosition(FALSE, boards[currentMove]);
9173 SetUserThinkingEnables();
9176 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9177 /* Program has a broken "time" command that
9178 outputs a string not ending in newline.
9182 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9183 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9184 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9188 * If chess program startup fails, exit with an error message.
9189 * Attempts to recover here are futile. [HGM] Well, we try anyway
9191 if ((StrStr(message, "unknown host") != NULL)
9192 || (StrStr(message, "No remote directory") != NULL)
9193 || (StrStr(message, "not found") != NULL)
9194 || (StrStr(message, "No such file") != NULL)
9195 || (StrStr(message, "can't alloc") != NULL)
9196 || (StrStr(message, "Permission denied") != NULL)) {
9198 cps->maybeThinking = FALSE;
9199 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9200 _(cps->which), cps->program, cps->host, message);
9201 RemoveInputSource(cps->isr);
9202 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9203 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9204 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9210 * Look for hint output
9212 if (sscanf(message, "Hint: %s", buf1) == 1) {
9213 if (cps == &first && hintRequested) {
9214 hintRequested = FALSE;
9215 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9216 &fromX, &fromY, &toX, &toY, &promoChar)) {
9217 (void) CoordsToAlgebraic(boards[forwardMostMove],
9218 PosFlags(forwardMostMove),
9219 fromY, fromX, toY, toX, promoChar, buf1);
9220 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9221 DisplayInformation(buf2);
9223 /* Hint move could not be parsed!? */
9224 snprintf(buf2, sizeof(buf2),
9225 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9226 buf1, _(cps->which));
9227 DisplayError(buf2, 0);
9230 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9236 * Ignore other messages if game is not in progress
9238 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9239 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9242 * look for win, lose, draw, or draw offer
9244 if (strncmp(message, "1-0", 3) == 0) {
9245 char *p, *q, *r = "";
9246 p = strchr(message, '{');
9254 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9256 } else if (strncmp(message, "0-1", 3) == 0) {
9257 char *p, *q, *r = "";
9258 p = strchr(message, '{');
9266 /* Kludge for Arasan 4.1 bug */
9267 if (strcmp(r, "Black resigns") == 0) {
9268 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9271 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9273 } else if (strncmp(message, "1/2", 3) == 0) {
9274 char *p, *q, *r = "";
9275 p = strchr(message, '{');
9284 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9287 } else if (strncmp(message, "White resign", 12) == 0) {
9288 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9290 } else if (strncmp(message, "Black resign", 12) == 0) {
9291 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9293 } else if (strncmp(message, "White matches", 13) == 0 ||
9294 strncmp(message, "Black matches", 13) == 0 ) {
9295 /* [HGM] ignore GNUShogi noises */
9297 } else if (strncmp(message, "White", 5) == 0 &&
9298 message[5] != '(' &&
9299 StrStr(message, "Black") == NULL) {
9300 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9302 } else if (strncmp(message, "Black", 5) == 0 &&
9303 message[5] != '(') {
9304 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9306 } else if (strcmp(message, "resign") == 0 ||
9307 strcmp(message, "computer resigns") == 0) {
9309 case MachinePlaysBlack:
9310 case IcsPlayingBlack:
9311 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9313 case MachinePlaysWhite:
9314 case IcsPlayingWhite:
9315 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9317 case TwoMachinesPlay:
9318 if (cps->twoMachinesColor[0] == 'w')
9319 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9321 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9328 } else if (strncmp(message, "opponent mates", 14) == 0) {
9330 case MachinePlaysBlack:
9331 case IcsPlayingBlack:
9332 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9334 case MachinePlaysWhite:
9335 case IcsPlayingWhite:
9336 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9338 case TwoMachinesPlay:
9339 if (cps->twoMachinesColor[0] == 'w')
9340 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9342 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9349 } else if (strncmp(message, "computer mates", 14) == 0) {
9351 case MachinePlaysBlack:
9352 case IcsPlayingBlack:
9353 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9355 case MachinePlaysWhite:
9356 case IcsPlayingWhite:
9357 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9359 case TwoMachinesPlay:
9360 if (cps->twoMachinesColor[0] == 'w')
9361 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9363 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9370 } else if (strncmp(message, "checkmate", 9) == 0) {
9371 if (WhiteOnMove(forwardMostMove)) {
9372 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9374 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9377 } else if (strstr(message, "Draw") != NULL ||
9378 strstr(message, "game is a draw") != NULL) {
9379 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9381 } else if (strstr(message, "offer") != NULL &&
9382 strstr(message, "draw") != NULL) {
9384 if (appData.zippyPlay && first.initDone) {
9385 /* Relay offer to ICS */
9386 SendToICS(ics_prefix);
9387 SendToICS("draw\n");
9390 cps->offeredDraw = 2; /* valid until this engine moves twice */
9391 if (gameMode == TwoMachinesPlay) {
9392 if (cps->other->offeredDraw) {
9393 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9394 /* [HGM] in two-machine mode we delay relaying draw offer */
9395 /* until after we also have move, to see if it is really claim */
9397 } else if (gameMode == MachinePlaysWhite ||
9398 gameMode == MachinePlaysBlack) {
9399 if (userOfferedDraw) {
9400 DisplayInformation(_("Machine accepts your draw offer"));
9401 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9403 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9410 * Look for thinking output
9412 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9413 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9415 int plylev, mvleft, mvtot, curscore, time;
9416 char mvname[MOVE_LEN];
9420 int prefixHint = FALSE;
9421 mvname[0] = NULLCHAR;
9424 case MachinePlaysBlack:
9425 case IcsPlayingBlack:
9426 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9428 case MachinePlaysWhite:
9429 case IcsPlayingWhite:
9430 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9435 case IcsObserving: /* [DM] icsEngineAnalyze */
9436 if (!appData.icsEngineAnalyze) ignore = TRUE;
9438 case TwoMachinesPlay:
9439 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9449 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9451 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9452 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9454 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9455 nodes += u64Const(0x100000000);
9457 if (plyext != ' ' && plyext != '\t') {
9461 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9462 if( cps->scoreIsAbsolute &&
9463 ( gameMode == MachinePlaysBlack ||
9464 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9465 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9466 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9467 !WhiteOnMove(currentMove)
9470 curscore = -curscore;
9473 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9475 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9478 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9479 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9480 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9481 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9482 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9483 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9487 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9488 DisplayError(_("failed writing PV"), 0);
9491 tempStats.depth = plylev;
9492 tempStats.nodes = nodes;
9493 tempStats.time = time;
9494 tempStats.score = curscore;
9495 tempStats.got_only_move = 0;
9497 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9500 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9501 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9502 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9503 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9504 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9505 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9506 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9507 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9510 /* Buffer overflow protection */
9511 if (pv[0] != NULLCHAR) {
9512 if (strlen(pv) >= sizeof(tempStats.movelist)
9513 && appData.debugMode) {
9515 "PV is too long; using the first %u bytes.\n",
9516 (unsigned) sizeof(tempStats.movelist) - 1);
9519 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9521 sprintf(tempStats.movelist, " no PV\n");
9524 if (tempStats.seen_stat) {
9525 tempStats.ok_to_send = 1;
9528 if (strchr(tempStats.movelist, '(') != NULL) {
9529 tempStats.line_is_book = 1;
9530 tempStats.nr_moves = 0;
9531 tempStats.moves_left = 0;
9533 tempStats.line_is_book = 0;
9536 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9537 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9539 SendProgramStatsToFrontend( cps, &tempStats );
9542 [AS] Protect the thinkOutput buffer from overflow... this
9543 is only useful if buf1 hasn't overflowed first!
9545 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9547 (gameMode == TwoMachinesPlay ?
9548 ToUpper(cps->twoMachinesColor[0]) : ' '),
9549 ((double) curscore) / 100.0,
9550 prefixHint ? lastHint : "",
9551 prefixHint ? " " : "" );
9553 if( buf1[0] != NULLCHAR ) {
9554 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9556 if( strlen(pv) > max_len ) {
9557 if( appData.debugMode) {
9558 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9560 pv[max_len+1] = '\0';
9563 strcat( thinkOutput, pv);
9566 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9567 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9568 DisplayMove(currentMove - 1);
9572 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9573 /* crafty (9.25+) says "(only move) <move>"
9574 * if there is only 1 legal move
9576 sscanf(p, "(only move) %s", buf1);
9577 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9578 sprintf(programStats.movelist, "%s (only move)", buf1);
9579 programStats.depth = 1;
9580 programStats.nr_moves = 1;
9581 programStats.moves_left = 1;
9582 programStats.nodes = 1;
9583 programStats.time = 1;
9584 programStats.got_only_move = 1;
9586 /* Not really, but we also use this member to
9587 mean "line isn't going to change" (Crafty
9588 isn't searching, so stats won't change) */
9589 programStats.line_is_book = 1;
9591 SendProgramStatsToFrontend( cps, &programStats );
9593 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9594 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9595 DisplayMove(currentMove - 1);
9598 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9599 &time, &nodes, &plylev, &mvleft,
9600 &mvtot, mvname) >= 5) {
9601 /* The stat01: line is from Crafty (9.29+) in response
9602 to the "." command */
9603 programStats.seen_stat = 1;
9604 cps->maybeThinking = TRUE;
9606 if (programStats.got_only_move || !appData.periodicUpdates)
9609 programStats.depth = plylev;
9610 programStats.time = time;
9611 programStats.nodes = nodes;
9612 programStats.moves_left = mvleft;
9613 programStats.nr_moves = mvtot;
9614 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9615 programStats.ok_to_send = 1;
9616 programStats.movelist[0] = '\0';
9618 SendProgramStatsToFrontend( cps, &programStats );
9622 } else if (strncmp(message,"++",2) == 0) {
9623 /* Crafty 9.29+ outputs this */
9624 programStats.got_fail = 2;
9627 } else if (strncmp(message,"--",2) == 0) {
9628 /* Crafty 9.29+ outputs this */
9629 programStats.got_fail = 1;
9632 } else if (thinkOutput[0] != NULLCHAR &&
9633 strncmp(message, " ", 4) == 0) {
9634 unsigned message_len;
9637 while (*p && *p == ' ') p++;
9639 message_len = strlen( p );
9641 /* [AS] Avoid buffer overflow */
9642 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9643 strcat(thinkOutput, " ");
9644 strcat(thinkOutput, p);
9647 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9648 strcat(programStats.movelist, " ");
9649 strcat(programStats.movelist, p);
9652 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9653 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9654 DisplayMove(currentMove - 1);
9662 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9663 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9665 ChessProgramStats cpstats;
9667 if (plyext != ' ' && plyext != '\t') {
9671 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9672 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9673 curscore = -curscore;
9676 cpstats.depth = plylev;
9677 cpstats.nodes = nodes;
9678 cpstats.time = time;
9679 cpstats.score = curscore;
9680 cpstats.got_only_move = 0;
9681 cpstats.movelist[0] = '\0';
9683 if (buf1[0] != NULLCHAR) {
9684 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9687 cpstats.ok_to_send = 0;
9688 cpstats.line_is_book = 0;
9689 cpstats.nr_moves = 0;
9690 cpstats.moves_left = 0;
9692 SendProgramStatsToFrontend( cps, &cpstats );
9699 /* Parse a game score from the character string "game", and
9700 record it as the history of the current game. The game
9701 score is NOT assumed to start from the standard position.
9702 The display is not updated in any way.
9705 ParseGameHistory (char *game)
9708 int fromX, fromY, toX, toY, boardIndex;
9713 if (appData.debugMode)
9714 fprintf(debugFP, "Parsing game history: %s\n", game);
9716 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9717 gameInfo.site = StrSave(appData.icsHost);
9718 gameInfo.date = PGNDate();
9719 gameInfo.round = StrSave("-");
9721 /* Parse out names of players */
9722 while (*game == ' ') game++;
9724 while (*game != ' ') *p++ = *game++;
9726 gameInfo.white = StrSave(buf);
9727 while (*game == ' ') game++;
9729 while (*game != ' ' && *game != '\n') *p++ = *game++;
9731 gameInfo.black = StrSave(buf);
9734 boardIndex = blackPlaysFirst ? 1 : 0;
9737 yyboardindex = boardIndex;
9738 moveType = (ChessMove) Myylex();
9740 case IllegalMove: /* maybe suicide chess, etc. */
9741 if (appData.debugMode) {
9742 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9743 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9744 setbuf(debugFP, NULL);
9746 case WhitePromotion:
9747 case BlackPromotion:
9748 case WhiteNonPromotion:
9749 case BlackNonPromotion:
9752 case WhiteCapturesEnPassant:
9753 case BlackCapturesEnPassant:
9754 case WhiteKingSideCastle:
9755 case WhiteQueenSideCastle:
9756 case BlackKingSideCastle:
9757 case BlackQueenSideCastle:
9758 case WhiteKingSideCastleWild:
9759 case WhiteQueenSideCastleWild:
9760 case BlackKingSideCastleWild:
9761 case BlackQueenSideCastleWild:
9763 case WhiteHSideCastleFR:
9764 case WhiteASideCastleFR:
9765 case BlackHSideCastleFR:
9766 case BlackASideCastleFR:
9768 fromX = currentMoveString[0] - AAA;
9769 fromY = currentMoveString[1] - ONE;
9770 toX = currentMoveString[2] - AAA;
9771 toY = currentMoveString[3] - ONE;
9772 promoChar = currentMoveString[4];
9776 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9777 fromX = moveType == WhiteDrop ?
9778 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9779 (int) CharToPiece(ToLower(currentMoveString[0]));
9781 toX = currentMoveString[2] - AAA;
9782 toY = currentMoveString[3] - ONE;
9783 promoChar = NULLCHAR;
9787 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9788 if (appData.debugMode) {
9789 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9790 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9791 setbuf(debugFP, NULL);
9793 DisplayError(buf, 0);
9795 case ImpossibleMove:
9797 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9798 if (appData.debugMode) {
9799 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9800 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9801 setbuf(debugFP, NULL);
9803 DisplayError(buf, 0);
9806 if (boardIndex < backwardMostMove) {
9807 /* Oops, gap. How did that happen? */
9808 DisplayError(_("Gap in move list"), 0);
9811 backwardMostMove = blackPlaysFirst ? 1 : 0;
9812 if (boardIndex > forwardMostMove) {
9813 forwardMostMove = boardIndex;
9817 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9818 strcat(parseList[boardIndex-1], " ");
9819 strcat(parseList[boardIndex-1], yy_text);
9831 case GameUnfinished:
9832 if (gameMode == IcsExamining) {
9833 if (boardIndex < backwardMostMove) {
9834 /* Oops, gap. How did that happen? */
9837 backwardMostMove = blackPlaysFirst ? 1 : 0;
9840 gameInfo.result = moveType;
9841 p = strchr(yy_text, '{');
9842 if (p == NULL) p = strchr(yy_text, '(');
9845 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9847 q = strchr(p, *p == '{' ? '}' : ')');
9848 if (q != NULL) *q = NULLCHAR;
9851 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9852 gameInfo.resultDetails = StrSave(p);
9855 if (boardIndex >= forwardMostMove &&
9856 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9857 backwardMostMove = blackPlaysFirst ? 1 : 0;
9860 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9861 fromY, fromX, toY, toX, promoChar,
9862 parseList[boardIndex]);
9863 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9864 /* currentMoveString is set as a side-effect of yylex */
9865 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9866 strcat(moveList[boardIndex], "\n");
9868 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9869 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9875 if(!IS_SHOGI(gameInfo.variant))
9876 strcat(parseList[boardIndex - 1], "+");
9880 strcat(parseList[boardIndex - 1], "#");
9887 /* Apply a move to the given board */
9889 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9891 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9892 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9894 /* [HGM] compute & store e.p. status and castling rights for new position */
9895 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9897 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9898 oldEP = (signed char)board[EP_STATUS];
9899 board[EP_STATUS] = EP_NONE;
9900 board[EP_FILE] = board[EP_RANK] = 100;
9902 if (fromY == DROP_RANK) {
9904 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9905 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9908 piece = board[toY][toX] = (ChessSquare) fromX;
9910 // ChessSquare victim;
9913 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9914 // victim = board[killY][killX],
9915 board[killY][killX] = EmptySquare,
9916 board[EP_STATUS] = EP_CAPTURE;
9918 if( board[toY][toX] != EmptySquare ) {
9919 board[EP_STATUS] = EP_CAPTURE;
9920 if( (fromX != toX || fromY != toY) && // not igui!
9921 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9922 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9923 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9927 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9928 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9929 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9931 if( board[fromY][fromX] == WhitePawn ) {
9932 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9933 board[EP_STATUS] = EP_PAWN_MOVE;
9935 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9936 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9937 gameInfo.variant != VariantBerolina || toX < fromX)
9938 board[EP_STATUS] = toX | berolina;
9939 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9940 gameInfo.variant != VariantBerolina || toX > fromX)
9941 board[EP_STATUS] = toX;
9944 if( board[fromY][fromX] == BlackPawn ) {
9945 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9946 board[EP_STATUS] = EP_PAWN_MOVE;
9947 if( toY-fromY== -2) {
9948 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9949 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9950 gameInfo.variant != VariantBerolina || toX < fromX)
9951 board[EP_STATUS] = toX | berolina;
9952 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9953 gameInfo.variant != VariantBerolina || toX > fromX)
9954 board[EP_STATUS] = toX;
9958 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
9959 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
9960 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
9961 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
9963 for(i=0; i<nrCastlingRights; i++) {
9964 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9965 board[CASTLING][i] == toX && castlingRank[i] == toY
9966 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9969 if(gameInfo.variant == VariantSChess) { // update virginity
9970 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9971 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9972 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9973 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9976 if (fromX == toX && fromY == toY) return;
9978 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9979 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9980 if(gameInfo.variant == VariantKnightmate)
9981 king += (int) WhiteUnicorn - (int) WhiteKing;
9983 /* Code added by Tord: */
9984 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9985 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9986 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9987 board[EP_STATUS] = EP_NONE; // capture was fake!
9988 board[fromY][fromX] = EmptySquare;
9989 board[toY][toX] = EmptySquare;
9990 if((toX > fromX) != (piece == WhiteRook)) {
9991 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9993 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9995 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9996 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9997 board[EP_STATUS] = EP_NONE;
9998 board[fromY][fromX] = EmptySquare;
9999 board[toY][toX] = EmptySquare;
10000 if((toX > fromX) != (piece == BlackRook)) {
10001 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10003 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10005 /* End of code added by Tord */
10007 } else if (board[fromY][fromX] == king
10008 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10009 && toY == fromY && toX > fromX+1) {
10010 board[fromY][fromX] = EmptySquare;
10011 board[toY][toX] = king;
10012 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10013 board[fromY][BOARD_RGHT-1] = EmptySquare;
10014 } else if (board[fromY][fromX] == king
10015 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10016 && toY == fromY && toX < fromX-1) {
10017 board[fromY][fromX] = EmptySquare;
10018 board[toY][toX] = king;
10019 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10020 board[fromY][BOARD_LEFT] = EmptySquare;
10021 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10022 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10023 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10025 /* white pawn promotion */
10026 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10027 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10028 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10029 board[fromY][fromX] = EmptySquare;
10030 } else if ((fromY >= BOARD_HEIGHT>>1)
10031 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10033 && gameInfo.variant != VariantXiangqi
10034 && gameInfo.variant != VariantBerolina
10035 && (board[fromY][fromX] == WhitePawn)
10036 && (board[toY][toX] == EmptySquare)) {
10037 board[fromY][fromX] = EmptySquare;
10038 board[toY][toX] = WhitePawn;
10039 captured = board[toY - 1][toX];
10040 board[toY - 1][toX] = EmptySquare;
10041 } else if ((fromY == BOARD_HEIGHT-4)
10043 && gameInfo.variant == VariantBerolina
10044 && (board[fromY][fromX] == WhitePawn)
10045 && (board[toY][toX] == EmptySquare)) {
10046 board[fromY][fromX] = EmptySquare;
10047 board[toY][toX] = WhitePawn;
10048 if(oldEP & EP_BEROLIN_A) {
10049 captured = board[fromY][fromX-1];
10050 board[fromY][fromX-1] = EmptySquare;
10051 }else{ captured = board[fromY][fromX+1];
10052 board[fromY][fromX+1] = EmptySquare;
10054 } else if (board[fromY][fromX] == king
10055 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10056 && toY == fromY && toX > fromX+1) {
10057 board[fromY][fromX] = EmptySquare;
10058 board[toY][toX] = king;
10059 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10060 board[fromY][BOARD_RGHT-1] = EmptySquare;
10061 } else if (board[fromY][fromX] == king
10062 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10063 && toY == fromY && toX < fromX-1) {
10064 board[fromY][fromX] = EmptySquare;
10065 board[toY][toX] = king;
10066 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10067 board[fromY][BOARD_LEFT] = EmptySquare;
10068 } else if (fromY == 7 && fromX == 3
10069 && board[fromY][fromX] == BlackKing
10070 && toY == 7 && toX == 5) {
10071 board[fromY][fromX] = EmptySquare;
10072 board[toY][toX] = BlackKing;
10073 board[fromY][7] = EmptySquare;
10074 board[toY][4] = BlackRook;
10075 } else if (fromY == 7 && fromX == 3
10076 && board[fromY][fromX] == BlackKing
10077 && toY == 7 && toX == 1) {
10078 board[fromY][fromX] = EmptySquare;
10079 board[toY][toX] = BlackKing;
10080 board[fromY][0] = EmptySquare;
10081 board[toY][2] = BlackRook;
10082 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10083 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10084 && toY < promoRank && promoChar
10086 /* black pawn promotion */
10087 board[toY][toX] = CharToPiece(ToLower(promoChar));
10088 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10089 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10090 board[fromY][fromX] = EmptySquare;
10091 } else if ((fromY < BOARD_HEIGHT>>1)
10092 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10094 && gameInfo.variant != VariantXiangqi
10095 && gameInfo.variant != VariantBerolina
10096 && (board[fromY][fromX] == BlackPawn)
10097 && (board[toY][toX] == EmptySquare)) {
10098 board[fromY][fromX] = EmptySquare;
10099 board[toY][toX] = BlackPawn;
10100 captured = board[toY + 1][toX];
10101 board[toY + 1][toX] = EmptySquare;
10102 } else if ((fromY == 3)
10104 && gameInfo.variant == VariantBerolina
10105 && (board[fromY][fromX] == BlackPawn)
10106 && (board[toY][toX] == EmptySquare)) {
10107 board[fromY][fromX] = EmptySquare;
10108 board[toY][toX] = BlackPawn;
10109 if(oldEP & EP_BEROLIN_A) {
10110 captured = board[fromY][fromX-1];
10111 board[fromY][fromX-1] = EmptySquare;
10112 }else{ captured = board[fromY][fromX+1];
10113 board[fromY][fromX+1] = EmptySquare;
10116 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10117 board[fromY][fromX] = EmptySquare;
10118 board[toY][toX] = piece;
10122 if (gameInfo.holdingsWidth != 0) {
10124 /* !!A lot more code needs to be written to support holdings */
10125 /* [HGM] OK, so I have written it. Holdings are stored in the */
10126 /* penultimate board files, so they are automaticlly stored */
10127 /* in the game history. */
10128 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10129 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10130 /* Delete from holdings, by decreasing count */
10131 /* and erasing image if necessary */
10132 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10133 if(p < (int) BlackPawn) { /* white drop */
10134 p -= (int)WhitePawn;
10135 p = PieceToNumber((ChessSquare)p);
10136 if(p >= gameInfo.holdingsSize) p = 0;
10137 if(--board[p][BOARD_WIDTH-2] <= 0)
10138 board[p][BOARD_WIDTH-1] = EmptySquare;
10139 if((int)board[p][BOARD_WIDTH-2] < 0)
10140 board[p][BOARD_WIDTH-2] = 0;
10141 } else { /* black drop */
10142 p -= (int)BlackPawn;
10143 p = PieceToNumber((ChessSquare)p);
10144 if(p >= gameInfo.holdingsSize) p = 0;
10145 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10146 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10147 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10148 board[BOARD_HEIGHT-1-p][1] = 0;
10151 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10152 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10153 /* [HGM] holdings: Add to holdings, if holdings exist */
10154 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10155 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10156 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10158 p = (int) captured;
10159 if (p >= (int) BlackPawn) {
10160 p -= (int)BlackPawn;
10161 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10162 /* Restore shogi-promoted piece to its original first */
10163 captured = (ChessSquare) (DEMOTED captured);
10166 p = PieceToNumber((ChessSquare)p);
10167 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10168 board[p][BOARD_WIDTH-2]++;
10169 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10171 p -= (int)WhitePawn;
10172 if(DEMOTED p >= 0 && PieceToChar(p) == '+') {
10173 captured = (ChessSquare) (DEMOTED captured);
10176 p = PieceToNumber((ChessSquare)p);
10177 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10178 board[BOARD_HEIGHT-1-p][1]++;
10179 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10182 } else if (gameInfo.variant == VariantAtomic) {
10183 if (captured != EmptySquare) {
10185 for (y = toY-1; y <= toY+1; y++) {
10186 for (x = toX-1; x <= toX+1; x++) {
10187 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10188 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10189 board[y][x] = EmptySquare;
10193 board[toY][toX] = EmptySquare;
10197 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10198 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10200 if(promoChar == '+') {
10201 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10202 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10203 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10204 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10205 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10206 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10207 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10208 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10209 board[toY][toX] = newPiece;
10211 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10212 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10213 // [HGM] superchess: take promotion piece out of holdings
10214 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10215 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10216 if(!--board[k][BOARD_WIDTH-2])
10217 board[k][BOARD_WIDTH-1] = EmptySquare;
10219 if(!--board[BOARD_HEIGHT-1-k][1])
10220 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10225 /* Updates forwardMostMove */
10227 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10229 int x = toX, y = toY;
10230 char *s = parseList[forwardMostMove];
10231 ChessSquare p = boards[forwardMostMove][toY][toX];
10232 // forwardMostMove++; // [HGM] bare: moved downstream
10234 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10235 (void) CoordsToAlgebraic(boards[forwardMostMove],
10236 PosFlags(forwardMostMove),
10237 fromY, fromX, y, x, promoChar,
10239 if(killX >= 0 && killY >= 0)
10240 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10242 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10243 int timeLeft; static int lastLoadFlag=0; int king, piece;
10244 piece = boards[forwardMostMove][fromY][fromX];
10245 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10246 if(gameInfo.variant == VariantKnightmate)
10247 king += (int) WhiteUnicorn - (int) WhiteKing;
10248 if(forwardMostMove == 0) {
10249 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10250 fprintf(serverMoves, "%s;", UserName());
10251 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10252 fprintf(serverMoves, "%s;", second.tidy);
10253 fprintf(serverMoves, "%s;", first.tidy);
10254 if(gameMode == MachinePlaysWhite)
10255 fprintf(serverMoves, "%s;", UserName());
10256 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10257 fprintf(serverMoves, "%s;", second.tidy);
10258 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10259 lastLoadFlag = loadFlag;
10261 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10262 // print castling suffix
10263 if( toY == fromY && piece == king ) {
10265 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10267 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10270 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10271 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10272 boards[forwardMostMove][toY][toX] == EmptySquare
10273 && fromX != toX && fromY != toY)
10274 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10275 // promotion suffix
10276 if(promoChar != NULLCHAR) {
10277 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10278 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10279 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10280 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10283 char buf[MOVE_LEN*2], *p; int len;
10284 fprintf(serverMoves, "/%d/%d",
10285 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10286 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10287 else timeLeft = blackTimeRemaining/1000;
10288 fprintf(serverMoves, "/%d", timeLeft);
10289 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10290 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10291 if(p = strchr(buf, '=')) *p = NULLCHAR;
10292 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10293 fprintf(serverMoves, "/%s", buf);
10295 fflush(serverMoves);
10298 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10299 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10302 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10303 if (commentList[forwardMostMove+1] != NULL) {
10304 free(commentList[forwardMostMove+1]);
10305 commentList[forwardMostMove+1] = NULL;
10307 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10308 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10309 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10310 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10311 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10312 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10313 adjustedClock = FALSE;
10314 gameInfo.result = GameUnfinished;
10315 if (gameInfo.resultDetails != NULL) {
10316 free(gameInfo.resultDetails);
10317 gameInfo.resultDetails = NULL;
10319 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10320 moveList[forwardMostMove - 1]);
10321 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10327 if(!IS_SHOGI(gameInfo.variant))
10328 strcat(parseList[forwardMostMove - 1], "+");
10332 strcat(parseList[forwardMostMove - 1], "#");
10337 /* Updates currentMove if not pausing */
10339 ShowMove (int fromX, int fromY, int toX, int toY)
10341 int instant = (gameMode == PlayFromGameFile) ?
10342 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10343 if(appData.noGUI) return;
10344 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10346 if (forwardMostMove == currentMove + 1) {
10347 AnimateMove(boards[forwardMostMove - 1],
10348 fromX, fromY, toX, toY);
10351 currentMove = forwardMostMove;
10354 killX = killY = -1; // [HGM] lion: used up
10356 if (instant) return;
10358 DisplayMove(currentMove - 1);
10359 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10360 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10361 SetHighlights(fromX, fromY, toX, toY);
10364 DrawPosition(FALSE, boards[currentMove]);
10365 DisplayBothClocks();
10366 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10370 SendEgtPath (ChessProgramState *cps)
10371 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10372 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10374 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10377 char c, *q = name+1, *r, *s;
10379 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10380 while(*p && *p != ',') *q++ = *p++;
10381 *q++ = ':'; *q = 0;
10382 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10383 strcmp(name, ",nalimov:") == 0 ) {
10384 // take nalimov path from the menu-changeable option first, if it is defined
10385 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10386 SendToProgram(buf,cps); // send egtbpath command for nalimov
10388 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10389 (s = StrStr(appData.egtFormats, name)) != NULL) {
10390 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10391 s = r = StrStr(s, ":") + 1; // beginning of path info
10392 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10393 c = *r; *r = 0; // temporarily null-terminate path info
10394 *--q = 0; // strip of trailig ':' from name
10395 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10397 SendToProgram(buf,cps); // send egtbpath command for this format
10399 if(*p == ',') p++; // read away comma to position for next format name
10404 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10406 int width = 8, height = 8, holdings = 0; // most common sizes
10407 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10408 // correct the deviations default for each variant
10409 if( v == VariantXiangqi ) width = 9, height = 10;
10410 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10411 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10412 if( v == VariantCapablanca || v == VariantCapaRandom ||
10413 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10415 if( v == VariantCourier ) width = 12;
10416 if( v == VariantSuper ) holdings = 8;
10417 if( v == VariantGreat ) width = 10, holdings = 8;
10418 if( v == VariantSChess ) holdings = 7;
10419 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10420 if( v == VariantChuChess) width = 10, height = 10;
10421 if( v == VariantChu ) width = 12, height = 12;
10422 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10423 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10424 holdingsSize >= 0 && holdingsSize != holdings;
10427 char variantError[MSG_SIZ];
10430 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10431 { // returns error message (recognizable by upper-case) if engine does not support the variant
10432 char *p, *variant = VariantName(v);
10433 static char b[MSG_SIZ];
10434 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10435 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10436 holdingsSize, variant); // cook up sized variant name
10437 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10438 if(StrStr(list, b) == NULL) {
10439 // specific sized variant not known, check if general sizing allowed
10440 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10441 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10442 boardWidth, boardHeight, holdingsSize, engine);
10445 /* [HGM] here we really should compare with the maximum supported board size */
10447 } else snprintf(b, MSG_SIZ,"%s", variant);
10448 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10449 p = StrStr(list, b);
10450 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10452 // occurs not at all in list, or only as sub-string
10453 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10454 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10455 int l = strlen(variantError);
10457 while(p != list && p[-1] != ',') p--;
10458 q = strchr(p, ',');
10459 if(q) *q = NULLCHAR;
10460 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10469 InitChessProgram (ChessProgramState *cps, int setup)
10470 /* setup needed to setup FRC opening position */
10472 char buf[MSG_SIZ], *b;
10473 if (appData.noChessProgram) return;
10474 hintRequested = FALSE;
10475 bookRequested = FALSE;
10477 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10478 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10479 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10480 if(cps->memSize) { /* [HGM] memory */
10481 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10482 SendToProgram(buf, cps);
10484 SendEgtPath(cps); /* [HGM] EGT */
10485 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10486 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10487 SendToProgram(buf, cps);
10490 setboardSpoiledMachineBlack = FALSE;
10491 SendToProgram(cps->initString, cps);
10492 if (gameInfo.variant != VariantNormal &&
10493 gameInfo.variant != VariantLoadable
10494 /* [HGM] also send variant if board size non-standard */
10495 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10497 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10498 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10501 char c, *q = cps->variants, *p = strchr(q, ',');
10502 if(p) *p = NULLCHAR;
10503 v = StringToVariant(q);
10504 DisplayError(variantError, 0);
10505 if(v != VariantUnknown && cps == &first) {
10507 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10508 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10509 ASSIGN(appData.variant, q);
10510 Reset(TRUE, FALSE);
10516 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10517 SendToProgram(buf, cps);
10519 currentlyInitializedVariant = gameInfo.variant;
10521 /* [HGM] send opening position in FRC to first engine */
10523 SendToProgram("force\n", cps);
10525 /* engine is now in force mode! Set flag to wake it up after first move. */
10526 setboardSpoiledMachineBlack = 1;
10529 if (cps->sendICS) {
10530 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10531 SendToProgram(buf, cps);
10533 cps->maybeThinking = FALSE;
10534 cps->offeredDraw = 0;
10535 if (!appData.icsActive) {
10536 SendTimeControl(cps, movesPerSession, timeControl,
10537 timeIncrement, appData.searchDepth,
10540 if (appData.showThinking
10541 // [HGM] thinking: four options require thinking output to be sent
10542 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10544 SendToProgram("post\n", cps);
10546 SendToProgram("hard\n", cps);
10547 if (!appData.ponderNextMove) {
10548 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10549 it without being sure what state we are in first. "hard"
10550 is not a toggle, so that one is OK.
10552 SendToProgram("easy\n", cps);
10554 if (cps->usePing) {
10555 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10556 SendToProgram(buf, cps);
10558 cps->initDone = TRUE;
10559 ClearEngineOutputPane(cps == &second);
10564 ResendOptions (ChessProgramState *cps)
10565 { // send the stored value of the options
10568 Option *opt = cps->option;
10569 for(i=0; i<cps->nrOptions; i++, opt++) {
10570 switch(opt->type) {
10574 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10577 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10580 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10586 SendToProgram(buf, cps);
10591 StartChessProgram (ChessProgramState *cps)
10596 if (appData.noChessProgram) return;
10597 cps->initDone = FALSE;
10599 if (strcmp(cps->host, "localhost") == 0) {
10600 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10601 } else if (*appData.remoteShell == NULLCHAR) {
10602 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10604 if (*appData.remoteUser == NULLCHAR) {
10605 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10608 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10609 cps->host, appData.remoteUser, cps->program);
10611 err = StartChildProcess(buf, "", &cps->pr);
10615 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10616 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10617 if(cps != &first) return;
10618 appData.noChessProgram = TRUE;
10621 // DisplayFatalError(buf, err, 1);
10622 // cps->pr = NoProc;
10623 // cps->isr = NULL;
10627 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10628 if (cps->protocolVersion > 1) {
10629 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10630 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10631 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10632 cps->comboCnt = 0; // and values of combo boxes
10634 SendToProgram(buf, cps);
10635 if(cps->reload) ResendOptions(cps);
10637 SendToProgram("xboard\n", cps);
10642 TwoMachinesEventIfReady P((void))
10644 static int curMess = 0;
10645 if (first.lastPing != first.lastPong) {
10646 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10647 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10650 if (second.lastPing != second.lastPong) {
10651 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10655 DisplayMessage("", ""); curMess = 0;
10656 TwoMachinesEvent();
10660 MakeName (char *template)
10664 static char buf[MSG_SIZ];
10668 clock = time((time_t *)NULL);
10669 tm = localtime(&clock);
10671 while(*p++ = *template++) if(p[-1] == '%') {
10672 switch(*template++) {
10673 case 0: *p = 0; return buf;
10674 case 'Y': i = tm->tm_year+1900; break;
10675 case 'y': i = tm->tm_year-100; break;
10676 case 'M': i = tm->tm_mon+1; break;
10677 case 'd': i = tm->tm_mday; break;
10678 case 'h': i = tm->tm_hour; break;
10679 case 'm': i = tm->tm_min; break;
10680 case 's': i = tm->tm_sec; break;
10683 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10689 CountPlayers (char *p)
10692 while(p = strchr(p, '\n')) p++, n++; // count participants
10697 WriteTourneyFile (char *results, FILE *f)
10698 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10699 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10700 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10701 // create a file with tournament description
10702 fprintf(f, "-participants {%s}\n", appData.participants);
10703 fprintf(f, "-seedBase %d\n", appData.seedBase);
10704 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10705 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10706 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10707 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10708 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10709 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10710 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10711 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10712 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10713 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10714 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10715 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10716 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10717 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10718 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10719 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10720 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10721 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10722 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10723 fprintf(f, "-smpCores %d\n", appData.smpCores);
10725 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10727 fprintf(f, "-mps %d\n", appData.movesPerSession);
10728 fprintf(f, "-tc %s\n", appData.timeControl);
10729 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10731 fprintf(f, "-results \"%s\"\n", results);
10736 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10739 Substitute (char *participants, int expunge)
10741 int i, changed, changes=0, nPlayers=0;
10742 char *p, *q, *r, buf[MSG_SIZ];
10743 if(participants == NULL) return;
10744 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10745 r = p = participants; q = appData.participants;
10746 while(*p && *p == *q) {
10747 if(*p == '\n') r = p+1, nPlayers++;
10750 if(*p) { // difference
10751 while(*p && *p++ != '\n');
10752 while(*q && *q++ != '\n');
10753 changed = nPlayers;
10754 changes = 1 + (strcmp(p, q) != 0);
10756 if(changes == 1) { // a single engine mnemonic was changed
10757 q = r; while(*q) nPlayers += (*q++ == '\n');
10758 p = buf; while(*r && (*p = *r++) != '\n') p++;
10760 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10761 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10762 if(mnemonic[i]) { // The substitute is valid
10764 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10765 flock(fileno(f), LOCK_EX);
10766 ParseArgsFromFile(f);
10767 fseek(f, 0, SEEK_SET);
10768 FREE(appData.participants); appData.participants = participants;
10769 if(expunge) { // erase results of replaced engine
10770 int len = strlen(appData.results), w, b, dummy;
10771 for(i=0; i<len; i++) {
10772 Pairing(i, nPlayers, &w, &b, &dummy);
10773 if((w == changed || b == changed) && appData.results[i] == '*') {
10774 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10779 for(i=0; i<len; i++) {
10780 Pairing(i, nPlayers, &w, &b, &dummy);
10781 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10784 WriteTourneyFile(appData.results, f);
10785 fclose(f); // release lock
10788 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10790 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10791 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10792 free(participants);
10797 CheckPlayers (char *participants)
10800 char buf[MSG_SIZ], *p;
10801 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10802 while(p = strchr(participants, '\n')) {
10804 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10806 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10808 DisplayError(buf, 0);
10812 participants = p + 1;
10818 CreateTourney (char *name)
10821 if(matchMode && strcmp(name, appData.tourneyFile)) {
10822 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10824 if(name[0] == NULLCHAR) {
10825 if(appData.participants[0])
10826 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10829 f = fopen(name, "r");
10830 if(f) { // file exists
10831 ASSIGN(appData.tourneyFile, name);
10832 ParseArgsFromFile(f); // parse it
10834 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10835 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10836 DisplayError(_("Not enough participants"), 0);
10839 if(CheckPlayers(appData.participants)) return 0;
10840 ASSIGN(appData.tourneyFile, name);
10841 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10842 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10845 appData.noChessProgram = FALSE;
10846 appData.clockMode = TRUE;
10852 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10854 char buf[MSG_SIZ], *p, *q;
10855 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10856 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10857 skip = !all && group[0]; // if group requested, we start in skip mode
10858 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10859 p = names; q = buf; header = 0;
10860 while(*p && *p != '\n') *q++ = *p++;
10862 if(*p == '\n') p++;
10863 if(buf[0] == '#') {
10864 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10865 depth++; // we must be entering a new group
10866 if(all) continue; // suppress printing group headers when complete list requested
10868 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10870 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10871 if(engineList[i]) free(engineList[i]);
10872 engineList[i] = strdup(buf);
10873 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10874 if(engineMnemonic[i]) free(engineMnemonic[i]);
10875 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10877 sscanf(q + 8, "%s", buf + strlen(buf));
10880 engineMnemonic[i] = strdup(buf);
10883 engineList[i] = engineMnemonic[i] = NULL;
10887 // following implemented as macro to avoid type limitations
10888 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10891 SwapEngines (int n)
10892 { // swap settings for first engine and other engine (so far only some selected options)
10897 SWAP(chessProgram, p)
10899 SWAP(hasOwnBookUCI, h)
10900 SWAP(protocolVersion, h)
10902 SWAP(scoreIsAbsolute, h)
10907 SWAP(engOptions, p)
10908 SWAP(engInitString, p)
10909 SWAP(computerString, p)
10911 SWAP(fenOverride, p)
10913 SWAP(accumulateTC, h)
10920 GetEngineLine (char *s, int n)
10924 extern char *icsNames;
10925 if(!s || !*s) return 0;
10926 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10927 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10928 if(!mnemonic[i]) return 0;
10929 if(n == 11) return 1; // just testing if there was a match
10930 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10931 if(n == 1) SwapEngines(n);
10932 ParseArgsFromString(buf);
10933 if(n == 1) SwapEngines(n);
10934 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10935 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10936 ParseArgsFromString(buf);
10942 SetPlayer (int player, char *p)
10943 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10945 char buf[MSG_SIZ], *engineName;
10946 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10947 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10948 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10950 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10951 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10952 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10953 ParseArgsFromString(buf);
10954 } else { // no engine with this nickname is installed!
10955 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10956 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10957 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10959 DisplayError(buf, 0);
10966 char *recentEngines;
10969 RecentEngineEvent (int nr)
10972 // SwapEngines(1); // bump first to second
10973 // ReplaceEngine(&second, 1); // and load it there
10974 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10975 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10976 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10977 ReplaceEngine(&first, 0);
10978 FloatToFront(&appData.recentEngineList, command[n]);
10983 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10984 { // determine players from game number
10985 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10987 if(appData.tourneyType == 0) {
10988 roundsPerCycle = (nPlayers - 1) | 1;
10989 pairingsPerRound = nPlayers / 2;
10990 } else if(appData.tourneyType > 0) {
10991 roundsPerCycle = nPlayers - appData.tourneyType;
10992 pairingsPerRound = appData.tourneyType;
10994 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10995 gamesPerCycle = gamesPerRound * roundsPerCycle;
10996 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10997 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10998 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10999 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11000 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11001 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11003 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11004 if(appData.roundSync) *syncInterval = gamesPerRound;
11006 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11008 if(appData.tourneyType == 0) {
11009 if(curPairing == (nPlayers-1)/2 ) {
11010 *whitePlayer = curRound;
11011 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11013 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11014 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11015 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11016 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11018 } else if(appData.tourneyType > 1) {
11019 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11020 *whitePlayer = curRound + appData.tourneyType;
11021 } else if(appData.tourneyType > 0) {
11022 *whitePlayer = curPairing;
11023 *blackPlayer = curRound + appData.tourneyType;
11026 // take care of white/black alternation per round.
11027 // For cycles and games this is already taken care of by default, derived from matchGame!
11028 return curRound & 1;
11032 NextTourneyGame (int nr, int *swapColors)
11033 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11035 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11037 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11038 tf = fopen(appData.tourneyFile, "r");
11039 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11040 ParseArgsFromFile(tf); fclose(tf);
11041 InitTimeControls(); // TC might be altered from tourney file
11043 nPlayers = CountPlayers(appData.participants); // count participants
11044 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11045 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11048 p = q = appData.results;
11049 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11050 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11051 DisplayMessage(_("Waiting for other game(s)"),"");
11052 waitingForGame = TRUE;
11053 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11056 waitingForGame = FALSE;
11059 if(appData.tourneyType < 0) {
11060 if(nr>=0 && !pairingReceived) {
11062 if(pairing.pr == NoProc) {
11063 if(!appData.pairingEngine[0]) {
11064 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11067 StartChessProgram(&pairing); // starts the pairing engine
11069 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11070 SendToProgram(buf, &pairing);
11071 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11072 SendToProgram(buf, &pairing);
11073 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11075 pairingReceived = 0; // ... so we continue here
11077 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11078 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11079 matchGame = 1; roundNr = nr / syncInterval + 1;
11082 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11084 // redefine engines, engine dir, etc.
11085 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11086 if(first.pr == NoProc) {
11087 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11088 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11090 if(second.pr == NoProc) {
11092 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11093 SwapEngines(1); // and make that valid for second engine by swapping
11094 InitEngine(&second, 1);
11096 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11097 UpdateLogos(FALSE); // leave display to ModeHiglight()
11103 { // performs game initialization that does not invoke engines, and then tries to start the game
11104 int res, firstWhite, swapColors = 0;
11105 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11106 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
11108 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11109 if(strcmp(buf, currentDebugFile)) { // name has changed
11110 FILE *f = fopen(buf, "w");
11111 if(f) { // if opening the new file failed, just keep using the old one
11112 ASSIGN(currentDebugFile, buf);
11116 if(appData.serverFileName) {
11117 if(serverFP) fclose(serverFP);
11118 serverFP = fopen(appData.serverFileName, "w");
11119 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11120 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11124 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11125 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11126 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11127 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11128 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11129 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11130 Reset(FALSE, first.pr != NoProc);
11131 res = LoadGameOrPosition(matchGame); // setup game
11132 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11133 if(!res) return; // abort when bad game/pos file
11134 TwoMachinesEvent();
11138 UserAdjudicationEvent (int result)
11140 ChessMove gameResult = GameIsDrawn;
11143 gameResult = WhiteWins;
11145 else if( result < 0 ) {
11146 gameResult = BlackWins;
11149 if( gameMode == TwoMachinesPlay ) {
11150 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11155 // [HGM] save: calculate checksum of game to make games easily identifiable
11157 StringCheckSum (char *s)
11160 if(s==NULL) return 0;
11161 while(*s) i = i*259 + *s++;
11169 for(i=backwardMostMove; i<forwardMostMove; i++) {
11170 sum += pvInfoList[i].depth;
11171 sum += StringCheckSum(parseList[i]);
11172 sum += StringCheckSum(commentList[i]);
11175 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11176 return sum + StringCheckSum(commentList[i]);
11177 } // end of save patch
11180 GameEnds (ChessMove result, char *resultDetails, int whosays)
11182 GameMode nextGameMode;
11184 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11186 if(endingGame) return; /* [HGM] crash: forbid recursion */
11188 if(twoBoards) { // [HGM] dual: switch back to one board
11189 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11190 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11192 if (appData.debugMode) {
11193 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11194 result, resultDetails ? resultDetails : "(null)", whosays);
11197 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11199 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11201 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11202 /* If we are playing on ICS, the server decides when the
11203 game is over, but the engine can offer to draw, claim
11207 if (appData.zippyPlay && first.initDone) {
11208 if (result == GameIsDrawn) {
11209 /* In case draw still needs to be claimed */
11210 SendToICS(ics_prefix);
11211 SendToICS("draw\n");
11212 } else if (StrCaseStr(resultDetails, "resign")) {
11213 SendToICS(ics_prefix);
11214 SendToICS("resign\n");
11218 endingGame = 0; /* [HGM] crash */
11222 /* If we're loading the game from a file, stop */
11223 if (whosays == GE_FILE) {
11224 (void) StopLoadGameTimer();
11228 /* Cancel draw offers */
11229 first.offeredDraw = second.offeredDraw = 0;
11231 /* If this is an ICS game, only ICS can really say it's done;
11232 if not, anyone can. */
11233 isIcsGame = (gameMode == IcsPlayingWhite ||
11234 gameMode == IcsPlayingBlack ||
11235 gameMode == IcsObserving ||
11236 gameMode == IcsExamining);
11238 if (!isIcsGame || whosays == GE_ICS) {
11239 /* OK -- not an ICS game, or ICS said it was done */
11241 if (!isIcsGame && !appData.noChessProgram)
11242 SetUserThinkingEnables();
11244 /* [HGM] if a machine claims the game end we verify this claim */
11245 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11246 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11248 ChessMove trueResult = (ChessMove) -1;
11250 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11251 first.twoMachinesColor[0] :
11252 second.twoMachinesColor[0] ;
11254 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11255 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11256 /* [HGM] verify: engine mate claims accepted if they were flagged */
11257 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11259 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11260 /* [HGM] verify: engine mate claims accepted if they were flagged */
11261 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11263 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11264 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11267 // now verify win claims, but not in drop games, as we don't understand those yet
11268 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11269 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11270 (result == WhiteWins && claimer == 'w' ||
11271 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11272 if (appData.debugMode) {
11273 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11274 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11276 if(result != trueResult) {
11277 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11278 result = claimer == 'w' ? BlackWins : WhiteWins;
11279 resultDetails = buf;
11282 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11283 && (forwardMostMove <= backwardMostMove ||
11284 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11285 (claimer=='b')==(forwardMostMove&1))
11287 /* [HGM] verify: draws that were not flagged are false claims */
11288 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11289 result = claimer == 'w' ? BlackWins : WhiteWins;
11290 resultDetails = buf;
11292 /* (Claiming a loss is accepted no questions asked!) */
11293 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11294 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11295 result = GameUnfinished;
11296 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11298 /* [HGM] bare: don't allow bare King to win */
11299 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11300 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11301 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11302 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11303 && result != GameIsDrawn)
11304 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11305 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11306 int p = (signed char)boards[forwardMostMove][i][j] - color;
11307 if(p >= 0 && p <= (int)WhiteKing) k++;
11309 if (appData.debugMode) {
11310 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11311 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11314 result = GameIsDrawn;
11315 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11316 resultDetails = buf;
11322 if(serverMoves != NULL && !loadFlag) { char c = '=';
11323 if(result==WhiteWins) c = '+';
11324 if(result==BlackWins) c = '-';
11325 if(resultDetails != NULL)
11326 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11328 if (resultDetails != NULL) {
11329 gameInfo.result = result;
11330 gameInfo.resultDetails = StrSave(resultDetails);
11332 /* display last move only if game was not loaded from file */
11333 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11334 DisplayMove(currentMove - 1);
11336 if (forwardMostMove != 0) {
11337 if (gameMode != PlayFromGameFile && gameMode != EditGame
11338 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11340 if (*appData.saveGameFile != NULLCHAR) {
11341 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11342 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11344 SaveGameToFile(appData.saveGameFile, TRUE);
11345 } else if (appData.autoSaveGames) {
11346 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11348 if (*appData.savePositionFile != NULLCHAR) {
11349 SavePositionToFile(appData.savePositionFile);
11351 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11355 /* Tell program how game ended in case it is learning */
11356 /* [HGM] Moved this to after saving the PGN, just in case */
11357 /* engine died and we got here through time loss. In that */
11358 /* case we will get a fatal error writing the pipe, which */
11359 /* would otherwise lose us the PGN. */
11360 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11361 /* output during GameEnds should never be fatal anymore */
11362 if (gameMode == MachinePlaysWhite ||
11363 gameMode == MachinePlaysBlack ||
11364 gameMode == TwoMachinesPlay ||
11365 gameMode == IcsPlayingWhite ||
11366 gameMode == IcsPlayingBlack ||
11367 gameMode == BeginningOfGame) {
11369 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11371 if (first.pr != NoProc) {
11372 SendToProgram(buf, &first);
11374 if (second.pr != NoProc &&
11375 gameMode == TwoMachinesPlay) {
11376 SendToProgram(buf, &second);
11381 if (appData.icsActive) {
11382 if (appData.quietPlay &&
11383 (gameMode == IcsPlayingWhite ||
11384 gameMode == IcsPlayingBlack)) {
11385 SendToICS(ics_prefix);
11386 SendToICS("set shout 1\n");
11388 nextGameMode = IcsIdle;
11389 ics_user_moved = FALSE;
11390 /* clean up premove. It's ugly when the game has ended and the
11391 * premove highlights are still on the board.
11394 gotPremove = FALSE;
11395 ClearPremoveHighlights();
11396 DrawPosition(FALSE, boards[currentMove]);
11398 if (whosays == GE_ICS) {
11401 if (gameMode == IcsPlayingWhite)
11403 else if(gameMode == IcsPlayingBlack)
11404 PlayIcsLossSound();
11407 if (gameMode == IcsPlayingBlack)
11409 else if(gameMode == IcsPlayingWhite)
11410 PlayIcsLossSound();
11413 PlayIcsDrawSound();
11416 PlayIcsUnfinishedSound();
11419 if(appData.quitNext) { ExitEvent(0); return; }
11420 } else if (gameMode == EditGame ||
11421 gameMode == PlayFromGameFile ||
11422 gameMode == AnalyzeMode ||
11423 gameMode == AnalyzeFile) {
11424 nextGameMode = gameMode;
11426 nextGameMode = EndOfGame;
11431 nextGameMode = gameMode;
11434 if (appData.noChessProgram) {
11435 gameMode = nextGameMode;
11437 endingGame = 0; /* [HGM] crash */
11442 /* Put first chess program into idle state */
11443 if (first.pr != NoProc &&
11444 (gameMode == MachinePlaysWhite ||
11445 gameMode == MachinePlaysBlack ||
11446 gameMode == TwoMachinesPlay ||
11447 gameMode == IcsPlayingWhite ||
11448 gameMode == IcsPlayingBlack ||
11449 gameMode == BeginningOfGame)) {
11450 SendToProgram("force\n", &first);
11451 if (first.usePing) {
11453 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11454 SendToProgram(buf, &first);
11457 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11458 /* Kill off first chess program */
11459 if (first.isr != NULL)
11460 RemoveInputSource(first.isr);
11463 if (first.pr != NoProc) {
11465 DoSleep( appData.delayBeforeQuit );
11466 SendToProgram("quit\n", &first);
11467 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11468 first.reload = TRUE;
11472 if (second.reuse) {
11473 /* Put second chess program into idle state */
11474 if (second.pr != NoProc &&
11475 gameMode == TwoMachinesPlay) {
11476 SendToProgram("force\n", &second);
11477 if (second.usePing) {
11479 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11480 SendToProgram(buf, &second);
11483 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11484 /* Kill off second chess program */
11485 if (second.isr != NULL)
11486 RemoveInputSource(second.isr);
11489 if (second.pr != NoProc) {
11490 DoSleep( appData.delayBeforeQuit );
11491 SendToProgram("quit\n", &second);
11492 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11493 second.reload = TRUE;
11495 second.pr = NoProc;
11498 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11499 char resChar = '=';
11503 if (first.twoMachinesColor[0] == 'w') {
11506 second.matchWins++;
11511 if (first.twoMachinesColor[0] == 'b') {
11514 second.matchWins++;
11517 case GameUnfinished:
11523 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11524 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11525 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11526 ReserveGame(nextGame, resChar); // sets nextGame
11527 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11528 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11529 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11531 if (nextGame <= appData.matchGames && !abortMatch) {
11532 gameMode = nextGameMode;
11533 matchGame = nextGame; // this will be overruled in tourney mode!
11534 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11535 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11536 endingGame = 0; /* [HGM] crash */
11539 gameMode = nextGameMode;
11540 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11541 first.tidy, second.tidy,
11542 first.matchWins, second.matchWins,
11543 appData.matchGames - (first.matchWins + second.matchWins));
11544 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11545 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11546 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11547 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11548 first.twoMachinesColor = "black\n";
11549 second.twoMachinesColor = "white\n";
11551 first.twoMachinesColor = "white\n";
11552 second.twoMachinesColor = "black\n";
11556 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11557 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11559 gameMode = nextGameMode;
11561 endingGame = 0; /* [HGM] crash */
11562 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11563 if(matchMode == TRUE) { // match through command line: exit with or without popup
11565 ToNrEvent(forwardMostMove);
11566 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11568 } else DisplayFatalError(buf, 0, 0);
11569 } else { // match through menu; just stop, with or without popup
11570 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11573 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11574 } else DisplayNote(buf);
11576 if(ranking) free(ranking);
11580 /* Assumes program was just initialized (initString sent).
11581 Leaves program in force mode. */
11583 FeedMovesToProgram (ChessProgramState *cps, int upto)
11587 if (appData.debugMode)
11588 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11589 startedFromSetupPosition ? "position and " : "",
11590 backwardMostMove, upto, cps->which);
11591 if(currentlyInitializedVariant != gameInfo.variant) {
11593 // [HGM] variantswitch: make engine aware of new variant
11594 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11595 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11596 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11597 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11598 SendToProgram(buf, cps);
11599 currentlyInitializedVariant = gameInfo.variant;
11601 SendToProgram("force\n", cps);
11602 if (startedFromSetupPosition) {
11603 SendBoard(cps, backwardMostMove);
11604 if (appData.debugMode) {
11605 fprintf(debugFP, "feedMoves\n");
11608 for (i = backwardMostMove; i < upto; i++) {
11609 SendMoveToProgram(i, cps);
11615 ResurrectChessProgram ()
11617 /* The chess program may have exited.
11618 If so, restart it and feed it all the moves made so far. */
11619 static int doInit = 0;
11621 if (appData.noChessProgram) return 1;
11623 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11624 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11625 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11626 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11628 if (first.pr != NoProc) return 1;
11629 StartChessProgram(&first);
11631 InitChessProgram(&first, FALSE);
11632 FeedMovesToProgram(&first, currentMove);
11634 if (!first.sendTime) {
11635 /* can't tell gnuchess what its clock should read,
11636 so we bow to its notion. */
11638 timeRemaining[0][currentMove] = whiteTimeRemaining;
11639 timeRemaining[1][currentMove] = blackTimeRemaining;
11642 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11643 appData.icsEngineAnalyze) && first.analysisSupport) {
11644 SendToProgram("analyze\n", &first);
11645 first.analyzing = TRUE;
11651 * Button procedures
11654 Reset (int redraw, int init)
11658 if (appData.debugMode) {
11659 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11660 redraw, init, gameMode);
11662 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11663 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11664 CleanupTail(); // [HGM] vari: delete any stored variations
11665 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11666 pausing = pauseExamInvalid = FALSE;
11667 startedFromSetupPosition = blackPlaysFirst = FALSE;
11669 whiteFlag = blackFlag = FALSE;
11670 userOfferedDraw = FALSE;
11671 hintRequested = bookRequested = FALSE;
11672 first.maybeThinking = FALSE;
11673 second.maybeThinking = FALSE;
11674 first.bookSuspend = FALSE; // [HGM] book
11675 second.bookSuspend = FALSE;
11676 thinkOutput[0] = NULLCHAR;
11677 lastHint[0] = NULLCHAR;
11678 ClearGameInfo(&gameInfo);
11679 gameInfo.variant = StringToVariant(appData.variant);
11680 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11681 ics_user_moved = ics_clock_paused = FALSE;
11682 ics_getting_history = H_FALSE;
11684 white_holding[0] = black_holding[0] = NULLCHAR;
11685 ClearProgramStats();
11686 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11690 flipView = appData.flipView;
11691 ClearPremoveHighlights();
11692 gotPremove = FALSE;
11693 alarmSounded = FALSE;
11694 killX = killY = -1; // [HGM] lion
11696 GameEnds(EndOfFile, NULL, GE_PLAYER);
11697 if(appData.serverMovesName != NULL) {
11698 /* [HGM] prepare to make moves file for broadcasting */
11699 clock_t t = clock();
11700 if(serverMoves != NULL) fclose(serverMoves);
11701 serverMoves = fopen(appData.serverMovesName, "r");
11702 if(serverMoves != NULL) {
11703 fclose(serverMoves);
11704 /* delay 15 sec before overwriting, so all clients can see end */
11705 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11707 serverMoves = fopen(appData.serverMovesName, "w");
11711 gameMode = BeginningOfGame;
11713 if(appData.icsActive) gameInfo.variant = VariantNormal;
11714 currentMove = forwardMostMove = backwardMostMove = 0;
11715 MarkTargetSquares(1);
11716 InitPosition(redraw);
11717 for (i = 0; i < MAX_MOVES; i++) {
11718 if (commentList[i] != NULL) {
11719 free(commentList[i]);
11720 commentList[i] = NULL;
11724 timeRemaining[0][0] = whiteTimeRemaining;
11725 timeRemaining[1][0] = blackTimeRemaining;
11727 if (first.pr == NoProc) {
11728 StartChessProgram(&first);
11731 InitChessProgram(&first, startedFromSetupPosition);
11734 DisplayMessage("", "");
11735 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11736 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11737 ClearMap(); // [HGM] exclude: invalidate map
11741 AutoPlayGameLoop ()
11744 if (!AutoPlayOneMove())
11746 if (matchMode || appData.timeDelay == 0)
11748 if (appData.timeDelay < 0)
11750 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11758 ReloadGame(1); // next game
11764 int fromX, fromY, toX, toY;
11766 if (appData.debugMode) {
11767 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11770 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11773 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11774 pvInfoList[currentMove].depth = programStats.depth;
11775 pvInfoList[currentMove].score = programStats.score;
11776 pvInfoList[currentMove].time = 0;
11777 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11778 else { // append analysis of final position as comment
11780 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11781 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11783 programStats.depth = 0;
11786 if (currentMove >= forwardMostMove) {
11787 if(gameMode == AnalyzeFile) {
11788 if(appData.loadGameIndex == -1) {
11789 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11790 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11792 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11795 // gameMode = EndOfGame;
11796 // ModeHighlight();
11798 /* [AS] Clear current move marker at the end of a game */
11799 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11804 toX = moveList[currentMove][2] - AAA;
11805 toY = moveList[currentMove][3] - ONE;
11807 if (moveList[currentMove][1] == '@') {
11808 if (appData.highlightLastMove) {
11809 SetHighlights(-1, -1, toX, toY);
11812 int viaX = moveList[currentMove][5] - AAA;
11813 int viaY = moveList[currentMove][6] - ONE;
11814 fromX = moveList[currentMove][0] - AAA;
11815 fromY = moveList[currentMove][1] - ONE;
11817 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11819 if(moveList[currentMove][4] == ';') { // multi-leg
11820 ChessSquare piece = boards[currentMove][viaY][viaX];
11821 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11822 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11823 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11824 boards[currentMove][viaY][viaX] = piece;
11826 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11828 if (appData.highlightLastMove) {
11829 SetHighlights(fromX, fromY, toX, toY);
11832 DisplayMove(currentMove);
11833 SendMoveToProgram(currentMove++, &first);
11834 DisplayBothClocks();
11835 DrawPosition(FALSE, boards[currentMove]);
11836 // [HGM] PV info: always display, routine tests if empty
11837 DisplayComment(currentMove - 1, commentList[currentMove]);
11843 LoadGameOneMove (ChessMove readAhead)
11845 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11846 char promoChar = NULLCHAR;
11847 ChessMove moveType;
11848 char move[MSG_SIZ];
11851 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11852 gameMode != AnalyzeMode && gameMode != Training) {
11857 yyboardindex = forwardMostMove;
11858 if (readAhead != EndOfFile) {
11859 moveType = readAhead;
11861 if (gameFileFP == NULL)
11863 moveType = (ChessMove) Myylex();
11867 switch (moveType) {
11869 if (appData.debugMode)
11870 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11873 /* append the comment but don't display it */
11874 AppendComment(currentMove, p, FALSE);
11877 case WhiteCapturesEnPassant:
11878 case BlackCapturesEnPassant:
11879 case WhitePromotion:
11880 case BlackPromotion:
11881 case WhiteNonPromotion:
11882 case BlackNonPromotion:
11885 case WhiteKingSideCastle:
11886 case WhiteQueenSideCastle:
11887 case BlackKingSideCastle:
11888 case BlackQueenSideCastle:
11889 case WhiteKingSideCastleWild:
11890 case WhiteQueenSideCastleWild:
11891 case BlackKingSideCastleWild:
11892 case BlackQueenSideCastleWild:
11894 case WhiteHSideCastleFR:
11895 case WhiteASideCastleFR:
11896 case BlackHSideCastleFR:
11897 case BlackASideCastleFR:
11899 if (appData.debugMode)
11900 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11901 fromX = currentMoveString[0] - AAA;
11902 fromY = currentMoveString[1] - ONE;
11903 toX = currentMoveString[2] - AAA;
11904 toY = currentMoveString[3] - ONE;
11905 promoChar = currentMoveString[4];
11906 if(promoChar == ';') promoChar = NULLCHAR;
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11913 fromX = moveType == WhiteDrop ?
11914 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11915 (int) CharToPiece(ToLower(currentMoveString[0]));
11917 toX = currentMoveString[2] - AAA;
11918 toY = currentMoveString[3] - ONE;
11924 case GameUnfinished:
11925 if (appData.debugMode)
11926 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11927 p = strchr(yy_text, '{');
11928 if (p == NULL) p = strchr(yy_text, '(');
11931 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11933 q = strchr(p, *p == '{' ? '}' : ')');
11934 if (q != NULL) *q = NULLCHAR;
11937 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11938 GameEnds(moveType, p, GE_FILE);
11940 if (cmailMsgLoaded) {
11942 flipView = WhiteOnMove(currentMove);
11943 if (moveType == GameUnfinished) flipView = !flipView;
11944 if (appData.debugMode)
11945 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11950 if (appData.debugMode)
11951 fprintf(debugFP, "Parser hit end of file\n");
11952 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11958 if (WhiteOnMove(currentMove)) {
11959 GameEnds(BlackWins, "Black mates", GE_FILE);
11961 GameEnds(WhiteWins, "White mates", GE_FILE);
11965 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11971 case MoveNumberOne:
11972 if (lastLoadGameStart == GNUChessGame) {
11973 /* GNUChessGames have numbers, but they aren't move numbers */
11974 if (appData.debugMode)
11975 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11976 yy_text, (int) moveType);
11977 return LoadGameOneMove(EndOfFile); /* tail recursion */
11979 /* else fall thru */
11984 /* Reached start of next game in file */
11985 if (appData.debugMode)
11986 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11987 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11993 if (WhiteOnMove(currentMove)) {
11994 GameEnds(BlackWins, "Black mates", GE_FILE);
11996 GameEnds(WhiteWins, "White mates", GE_FILE);
12000 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12006 case PositionDiagram: /* should not happen; ignore */
12007 case ElapsedTime: /* ignore */
12008 case NAG: /* ignore */
12009 if (appData.debugMode)
12010 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12011 yy_text, (int) moveType);
12012 return LoadGameOneMove(EndOfFile); /* tail recursion */
12015 if (appData.testLegality) {
12016 if (appData.debugMode)
12017 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12018 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12019 (forwardMostMove / 2) + 1,
12020 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12021 DisplayError(move, 0);
12024 if (appData.debugMode)
12025 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12026 yy_text, currentMoveString);
12027 fromX = currentMoveString[0] - AAA;
12028 fromY = currentMoveString[1] - ONE;
12029 toX = currentMoveString[2] - AAA;
12030 toY = currentMoveString[3] - ONE;
12031 promoChar = currentMoveString[4];
12035 case AmbiguousMove:
12036 if (appData.debugMode)
12037 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12038 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12039 (forwardMostMove / 2) + 1,
12040 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12041 DisplayError(move, 0);
12046 case ImpossibleMove:
12047 if (appData.debugMode)
12048 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12049 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12050 (forwardMostMove / 2) + 1,
12051 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12052 DisplayError(move, 0);
12058 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12059 DrawPosition(FALSE, boards[currentMove]);
12060 DisplayBothClocks();
12061 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12062 DisplayComment(currentMove - 1, commentList[currentMove]);
12064 (void) StopLoadGameTimer();
12066 cmailOldMove = forwardMostMove;
12069 /* currentMoveString is set as a side-effect of yylex */
12071 thinkOutput[0] = NULLCHAR;
12072 MakeMove(fromX, fromY, toX, toY, promoChar);
12073 killX = killY = -1; // [HGM] lion: used up
12074 currentMove = forwardMostMove;
12079 /* Load the nth game from the given file */
12081 LoadGameFromFile (char *filename, int n, char *title, int useList)
12086 if (strcmp(filename, "-") == 0) {
12090 f = fopen(filename, "rb");
12092 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12093 DisplayError(buf, errno);
12097 if (fseek(f, 0, 0) == -1) {
12098 /* f is not seekable; probably a pipe */
12101 if (useList && n == 0) {
12102 int error = GameListBuild(f);
12104 DisplayError(_("Cannot build game list"), error);
12105 } else if (!ListEmpty(&gameList) &&
12106 ((ListGame *) gameList.tailPred)->number > 1) {
12107 GameListPopUp(f, title);
12114 return LoadGame(f, n, title, FALSE);
12119 MakeRegisteredMove ()
12121 int fromX, fromY, toX, toY;
12123 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12124 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12127 if (appData.debugMode)
12128 fprintf(debugFP, "Restoring %s for game %d\n",
12129 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12131 thinkOutput[0] = NULLCHAR;
12132 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12133 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12134 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12135 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12136 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12137 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12138 MakeMove(fromX, fromY, toX, toY, promoChar);
12139 ShowMove(fromX, fromY, toX, toY);
12141 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12148 if (WhiteOnMove(currentMove)) {
12149 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12151 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12156 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12163 if (WhiteOnMove(currentMove)) {
12164 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12166 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12171 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12182 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12184 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12188 if (gameNumber > nCmailGames) {
12189 DisplayError(_("No more games in this message"), 0);
12192 if (f == lastLoadGameFP) {
12193 int offset = gameNumber - lastLoadGameNumber;
12195 cmailMsg[0] = NULLCHAR;
12196 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12197 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12198 nCmailMovesRegistered--;
12200 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12201 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12202 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12205 if (! RegisterMove()) return FALSE;
12209 retVal = LoadGame(f, gameNumber, title, useList);
12211 /* Make move registered during previous look at this game, if any */
12212 MakeRegisteredMove();
12214 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12215 commentList[currentMove]
12216 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12217 DisplayComment(currentMove - 1, commentList[currentMove]);
12223 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12225 ReloadGame (int offset)
12227 int gameNumber = lastLoadGameNumber + offset;
12228 if (lastLoadGameFP == NULL) {
12229 DisplayError(_("No game has been loaded yet"), 0);
12232 if (gameNumber <= 0) {
12233 DisplayError(_("Can't back up any further"), 0);
12236 if (cmailMsgLoaded) {
12237 return CmailLoadGame(lastLoadGameFP, gameNumber,
12238 lastLoadGameTitle, lastLoadGameUseList);
12240 return LoadGame(lastLoadGameFP, gameNumber,
12241 lastLoadGameTitle, lastLoadGameUseList);
12245 int keys[EmptySquare+1];
12248 PositionMatches (Board b1, Board b2)
12251 switch(appData.searchMode) {
12252 case 1: return CompareWithRights(b1, b2);
12254 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12255 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12259 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12260 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12261 sum += keys[b1[r][f]] - keys[b2[r][f]];
12265 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12266 sum += keys[b1[r][f]] - keys[b2[r][f]];
12278 int pieceList[256], quickBoard[256];
12279 ChessSquare pieceType[256] = { EmptySquare };
12280 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12281 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12282 int soughtTotal, turn;
12283 Boolean epOK, flipSearch;
12286 unsigned char piece, to;
12289 #define DSIZE (250000)
12291 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12292 Move *moveDatabase = initialSpace;
12293 unsigned int movePtr, dataSize = DSIZE;
12296 MakePieceList (Board board, int *counts)
12298 int r, f, n=Q_PROMO, total=0;
12299 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12300 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12301 int sq = f + (r<<4);
12302 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12303 quickBoard[sq] = ++n;
12305 pieceType[n] = board[r][f];
12306 counts[board[r][f]]++;
12307 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12308 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12312 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12317 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12319 int sq = fromX + (fromY<<4);
12320 int piece = quickBoard[sq], rook;
12321 quickBoard[sq] = 0;
12322 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12323 if(piece == pieceList[1] && fromY == toY) {
12324 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12325 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12326 moveDatabase[movePtr++].piece = Q_WCASTL;
12327 quickBoard[sq] = piece;
12328 piece = quickBoard[from]; quickBoard[from] = 0;
12329 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12330 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12331 quickBoard[sq] = 0; // remove Rook
12332 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12333 moveDatabase[movePtr++].piece = Q_WCASTL;
12334 quickBoard[sq] = pieceList[1]; // put King
12336 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12339 if(piece == pieceList[2] && fromY == toY) {
12340 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12341 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12342 moveDatabase[movePtr++].piece = Q_BCASTL;
12343 quickBoard[sq] = piece;
12344 piece = quickBoard[from]; quickBoard[from] = 0;
12345 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12346 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12347 quickBoard[sq] = 0; // remove Rook
12348 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12349 moveDatabase[movePtr++].piece = Q_BCASTL;
12350 quickBoard[sq] = pieceList[2]; // put King
12352 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12355 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12356 quickBoard[(fromY<<4)+toX] = 0;
12357 moveDatabase[movePtr].piece = Q_EP;
12358 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12359 moveDatabase[movePtr].to = sq;
12361 if(promoPiece != pieceType[piece]) {
12362 moveDatabase[movePtr++].piece = Q_PROMO;
12363 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12365 moveDatabase[movePtr].piece = piece;
12366 quickBoard[sq] = piece;
12371 PackGame (Board board)
12373 Move *newSpace = NULL;
12374 moveDatabase[movePtr].piece = 0; // terminate previous game
12375 if(movePtr > dataSize) {
12376 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12377 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12378 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12381 Move *p = moveDatabase, *q = newSpace;
12382 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12383 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12384 moveDatabase = newSpace;
12385 } else { // calloc failed, we must be out of memory. Too bad...
12386 dataSize = 0; // prevent calloc events for all subsequent games
12387 return 0; // and signal this one isn't cached
12391 MakePieceList(board, counts);
12396 QuickCompare (Board board, int *minCounts, int *maxCounts)
12397 { // compare according to search mode
12399 switch(appData.searchMode)
12401 case 1: // exact position match
12402 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12403 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12404 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12407 case 2: // can have extra material on empty squares
12408 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12409 if(board[r][f] == EmptySquare) continue;
12410 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12413 case 3: // material with exact Pawn structure
12414 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12415 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12416 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12417 } // fall through to material comparison
12418 case 4: // exact material
12419 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12421 case 6: // material range with given imbalance
12422 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12423 // fall through to range comparison
12424 case 5: // material range
12425 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12431 QuickScan (Board board, Move *move)
12432 { // reconstruct game,and compare all positions in it
12433 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12435 int piece = move->piece;
12436 int to = move->to, from = pieceList[piece];
12437 if(found < 0) { // if already found just scan to game end for final piece count
12438 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12439 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12440 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12441 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12443 static int lastCounts[EmptySquare+1];
12445 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12446 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12447 } else stretch = 0;
12448 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12449 if(found >= 0 && !appData.minPieces) return found;
12451 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12452 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12453 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12454 piece = (++move)->piece;
12455 from = pieceList[piece];
12456 counts[pieceType[piece]]--;
12457 pieceType[piece] = (ChessSquare) move->to;
12458 counts[move->to]++;
12459 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12460 counts[pieceType[quickBoard[to]]]--;
12461 quickBoard[to] = 0; total--;
12464 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12465 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12466 from = pieceList[piece]; // so this must be King
12467 quickBoard[from] = 0;
12468 pieceList[piece] = to;
12469 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12470 quickBoard[from] = 0; // rook
12471 quickBoard[to] = piece;
12472 to = move->to; piece = move->piece;
12476 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12477 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12478 quickBoard[from] = 0;
12480 quickBoard[to] = piece;
12481 pieceList[piece] = to;
12491 flipSearch = FALSE;
12492 CopyBoard(soughtBoard, boards[currentMove]);
12493 soughtTotal = MakePieceList(soughtBoard, maxSought);
12494 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12495 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12496 CopyBoard(reverseBoard, boards[currentMove]);
12497 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12498 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12499 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12500 reverseBoard[r][f] = piece;
12502 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12503 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12504 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12505 || (boards[currentMove][CASTLING][2] == NoRights ||
12506 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12507 && (boards[currentMove][CASTLING][5] == NoRights ||
12508 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12511 CopyBoard(flipBoard, soughtBoard);
12512 CopyBoard(rotateBoard, reverseBoard);
12513 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12514 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12515 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12518 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12519 if(appData.searchMode >= 5) {
12520 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12521 MakePieceList(soughtBoard, minSought);
12522 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12524 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12525 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12528 GameInfo dummyInfo;
12529 static int creatingBook;
12532 GameContainsPosition (FILE *f, ListGame *lg)
12534 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12535 int fromX, fromY, toX, toY;
12537 static int initDone=FALSE;
12539 // weed out games based on numerical tag comparison
12540 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12541 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12542 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12543 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12545 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12548 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12549 else CopyBoard(boards[scratch], initialPosition); // default start position
12552 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12553 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12556 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12557 fseek(f, lg->offset, 0);
12560 yyboardindex = scratch;
12561 quickFlag = plyNr+1;
12566 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12572 if(plyNr) return -1; // after we have seen moves, this is for new game
12575 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12576 case ImpossibleMove:
12577 case WhiteWins: // game ends here with these four
12580 case GameUnfinished:
12584 if(appData.testLegality) return -1;
12585 case WhiteCapturesEnPassant:
12586 case BlackCapturesEnPassant:
12587 case WhitePromotion:
12588 case BlackPromotion:
12589 case WhiteNonPromotion:
12590 case BlackNonPromotion:
12593 case WhiteKingSideCastle:
12594 case WhiteQueenSideCastle:
12595 case BlackKingSideCastle:
12596 case BlackQueenSideCastle:
12597 case WhiteKingSideCastleWild:
12598 case WhiteQueenSideCastleWild:
12599 case BlackKingSideCastleWild:
12600 case BlackQueenSideCastleWild:
12601 case WhiteHSideCastleFR:
12602 case WhiteASideCastleFR:
12603 case BlackHSideCastleFR:
12604 case BlackASideCastleFR:
12605 fromX = currentMoveString[0] - AAA;
12606 fromY = currentMoveString[1] - ONE;
12607 toX = currentMoveString[2] - AAA;
12608 toY = currentMoveString[3] - ONE;
12609 promoChar = currentMoveString[4];
12613 fromX = next == WhiteDrop ?
12614 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12615 (int) CharToPiece(ToLower(currentMoveString[0]));
12617 toX = currentMoveString[2] - AAA;
12618 toY = currentMoveString[3] - ONE;
12622 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12624 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12625 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12626 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12627 if(appData.findMirror) {
12628 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12629 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12634 /* Load the nth game from open file f */
12636 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12640 int gn = gameNumber;
12641 ListGame *lg = NULL;
12642 int numPGNTags = 0;
12644 GameMode oldGameMode;
12645 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12647 if (appData.debugMode)
12648 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12650 if (gameMode == Training )
12651 SetTrainingModeOff();
12653 oldGameMode = gameMode;
12654 if (gameMode != BeginningOfGame) {
12655 Reset(FALSE, TRUE);
12657 killX = killY = -1; // [HGM] lion: in case we did not Reset
12660 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12661 fclose(lastLoadGameFP);
12665 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12668 fseek(f, lg->offset, 0);
12669 GameListHighlight(gameNumber);
12670 pos = lg->position;
12674 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12675 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12677 DisplayError(_("Game number out of range"), 0);
12682 if (fseek(f, 0, 0) == -1) {
12683 if (f == lastLoadGameFP ?
12684 gameNumber == lastLoadGameNumber + 1 :
12688 DisplayError(_("Can't seek on game file"), 0);
12693 lastLoadGameFP = f;
12694 lastLoadGameNumber = gameNumber;
12695 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12696 lastLoadGameUseList = useList;
12700 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12701 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12702 lg->gameInfo.black);
12704 } else if (*title != NULLCHAR) {
12705 if (gameNumber > 1) {
12706 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12709 DisplayTitle(title);
12713 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12714 gameMode = PlayFromGameFile;
12718 currentMove = forwardMostMove = backwardMostMove = 0;
12719 CopyBoard(boards[0], initialPosition);
12723 * Skip the first gn-1 games in the file.
12724 * Also skip over anything that precedes an identifiable
12725 * start of game marker, to avoid being confused by
12726 * garbage at the start of the file. Currently
12727 * recognized start of game markers are the move number "1",
12728 * the pattern "gnuchess .* game", the pattern
12729 * "^[#;%] [^ ]* game file", and a PGN tag block.
12730 * A game that starts with one of the latter two patterns
12731 * will also have a move number 1, possibly
12732 * following a position diagram.
12733 * 5-4-02: Let's try being more lenient and allowing a game to
12734 * start with an unnumbered move. Does that break anything?
12736 cm = lastLoadGameStart = EndOfFile;
12738 yyboardindex = forwardMostMove;
12739 cm = (ChessMove) Myylex();
12742 if (cmailMsgLoaded) {
12743 nCmailGames = CMAIL_MAX_GAMES - gn;
12746 DisplayError(_("Game not found in file"), 0);
12753 lastLoadGameStart = cm;
12756 case MoveNumberOne:
12757 switch (lastLoadGameStart) {
12762 case MoveNumberOne:
12764 gn--; /* count this game */
12765 lastLoadGameStart = cm;
12774 switch (lastLoadGameStart) {
12777 case MoveNumberOne:
12779 gn--; /* count this game */
12780 lastLoadGameStart = cm;
12783 lastLoadGameStart = cm; /* game counted already */
12791 yyboardindex = forwardMostMove;
12792 cm = (ChessMove) Myylex();
12793 } while (cm == PGNTag || cm == Comment);
12800 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12801 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12802 != CMAIL_OLD_RESULT) {
12804 cmailResult[ CMAIL_MAX_GAMES
12805 - gn - 1] = CMAIL_OLD_RESULT;
12812 /* Only a NormalMove can be at the start of a game
12813 * without a position diagram. */
12814 if (lastLoadGameStart == EndOfFile ) {
12816 lastLoadGameStart = MoveNumberOne;
12825 if (appData.debugMode)
12826 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12828 if (cm == XBoardGame) {
12829 /* Skip any header junk before position diagram and/or move 1 */
12831 yyboardindex = forwardMostMove;
12832 cm = (ChessMove) Myylex();
12834 if (cm == EndOfFile ||
12835 cm == GNUChessGame || cm == XBoardGame) {
12836 /* Empty game; pretend end-of-file and handle later */
12841 if (cm == MoveNumberOne || cm == PositionDiagram ||
12842 cm == PGNTag || cm == Comment)
12845 } else if (cm == GNUChessGame) {
12846 if (gameInfo.event != NULL) {
12847 free(gameInfo.event);
12849 gameInfo.event = StrSave(yy_text);
12852 startedFromSetupPosition = FALSE;
12853 while (cm == PGNTag) {
12854 if (appData.debugMode)
12855 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12856 err = ParsePGNTag(yy_text, &gameInfo);
12857 if (!err) numPGNTags++;
12859 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12860 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
12861 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12862 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12863 InitPosition(TRUE);
12864 oldVariant = gameInfo.variant;
12865 if (appData.debugMode)
12866 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12870 if (gameInfo.fen != NULL) {
12871 Board initial_position;
12872 startedFromSetupPosition = TRUE;
12873 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12875 DisplayError(_("Bad FEN position in file"), 0);
12878 CopyBoard(boards[0], initial_position);
12879 if (blackPlaysFirst) {
12880 currentMove = forwardMostMove = backwardMostMove = 1;
12881 CopyBoard(boards[1], initial_position);
12882 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12883 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12884 timeRemaining[0][1] = whiteTimeRemaining;
12885 timeRemaining[1][1] = blackTimeRemaining;
12886 if (commentList[0] != NULL) {
12887 commentList[1] = commentList[0];
12888 commentList[0] = NULL;
12891 currentMove = forwardMostMove = backwardMostMove = 0;
12893 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12895 initialRulePlies = FENrulePlies;
12896 for( i=0; i< nrCastlingRights; i++ )
12897 initialRights[i] = initial_position[CASTLING][i];
12899 yyboardindex = forwardMostMove;
12900 free(gameInfo.fen);
12901 gameInfo.fen = NULL;
12904 yyboardindex = forwardMostMove;
12905 cm = (ChessMove) Myylex();
12907 /* Handle comments interspersed among the tags */
12908 while (cm == Comment) {
12910 if (appData.debugMode)
12911 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12913 AppendComment(currentMove, p, FALSE);
12914 yyboardindex = forwardMostMove;
12915 cm = (ChessMove) Myylex();
12919 /* don't rely on existence of Event tag since if game was
12920 * pasted from clipboard the Event tag may not exist
12922 if (numPGNTags > 0){
12924 if (gameInfo.variant == VariantNormal) {
12925 VariantClass v = StringToVariant(gameInfo.event);
12926 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12927 if(v < VariantShogi) gameInfo.variant = v;
12930 if( appData.autoDisplayTags ) {
12931 tags = PGNTags(&gameInfo);
12932 TagsPopUp(tags, CmailMsg());
12937 /* Make something up, but don't display it now */
12942 if (cm == PositionDiagram) {
12945 Board initial_position;
12947 if (appData.debugMode)
12948 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12950 if (!startedFromSetupPosition) {
12952 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12953 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12964 initial_position[i][j++] = CharToPiece(*p);
12967 while (*p == ' ' || *p == '\t' ||
12968 *p == '\n' || *p == '\r') p++;
12970 if (strncmp(p, "black", strlen("black"))==0)
12971 blackPlaysFirst = TRUE;
12973 blackPlaysFirst = FALSE;
12974 startedFromSetupPosition = TRUE;
12976 CopyBoard(boards[0], initial_position);
12977 if (blackPlaysFirst) {
12978 currentMove = forwardMostMove = backwardMostMove = 1;
12979 CopyBoard(boards[1], initial_position);
12980 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12981 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12982 timeRemaining[0][1] = whiteTimeRemaining;
12983 timeRemaining[1][1] = blackTimeRemaining;
12984 if (commentList[0] != NULL) {
12985 commentList[1] = commentList[0];
12986 commentList[0] = NULL;
12989 currentMove = forwardMostMove = backwardMostMove = 0;
12992 yyboardindex = forwardMostMove;
12993 cm = (ChessMove) Myylex();
12996 if(!creatingBook) {
12997 if (first.pr == NoProc) {
12998 StartChessProgram(&first);
13000 InitChessProgram(&first, FALSE);
13001 SendToProgram("force\n", &first);
13002 if (startedFromSetupPosition) {
13003 SendBoard(&first, forwardMostMove);
13004 if (appData.debugMode) {
13005 fprintf(debugFP, "Load Game\n");
13007 DisplayBothClocks();
13011 /* [HGM] server: flag to write setup moves in broadcast file as one */
13012 loadFlag = appData.suppressLoadMoves;
13014 while (cm == Comment) {
13016 if (appData.debugMode)
13017 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13019 AppendComment(currentMove, p, FALSE);
13020 yyboardindex = forwardMostMove;
13021 cm = (ChessMove) Myylex();
13024 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13025 cm == WhiteWins || cm == BlackWins ||
13026 cm == GameIsDrawn || cm == GameUnfinished) {
13027 DisplayMessage("", _("No moves in game"));
13028 if (cmailMsgLoaded) {
13029 if (appData.debugMode)
13030 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13034 DrawPosition(FALSE, boards[currentMove]);
13035 DisplayBothClocks();
13036 gameMode = EditGame;
13043 // [HGM] PV info: routine tests if comment empty
13044 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13045 DisplayComment(currentMove - 1, commentList[currentMove]);
13047 if (!matchMode && appData.timeDelay != 0)
13048 DrawPosition(FALSE, boards[currentMove]);
13050 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13051 programStats.ok_to_send = 1;
13054 /* if the first token after the PGN tags is a move
13055 * and not move number 1, retrieve it from the parser
13057 if (cm != MoveNumberOne)
13058 LoadGameOneMove(cm);
13060 /* load the remaining moves from the file */
13061 while (LoadGameOneMove(EndOfFile)) {
13062 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13063 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13066 /* rewind to the start of the game */
13067 currentMove = backwardMostMove;
13069 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13071 if (oldGameMode == AnalyzeFile) {
13072 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13073 AnalyzeFileEvent();
13075 if (oldGameMode == AnalyzeMode) {
13076 AnalyzeFileEvent();
13079 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13080 long int w, b; // [HGM] adjourn: restore saved clock times
13081 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13082 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13083 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13084 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13088 if(creatingBook) return TRUE;
13089 if (!matchMode && pos > 0) {
13090 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13092 if (matchMode || appData.timeDelay == 0) {
13094 } else if (appData.timeDelay > 0) {
13095 AutoPlayGameLoop();
13098 if (appData.debugMode)
13099 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13101 loadFlag = 0; /* [HGM] true game starts */
13105 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13107 ReloadPosition (int offset)
13109 int positionNumber = lastLoadPositionNumber + offset;
13110 if (lastLoadPositionFP == NULL) {
13111 DisplayError(_("No position has been loaded yet"), 0);
13114 if (positionNumber <= 0) {
13115 DisplayError(_("Can't back up any further"), 0);
13118 return LoadPosition(lastLoadPositionFP, positionNumber,
13119 lastLoadPositionTitle);
13122 /* Load the nth position from the given file */
13124 LoadPositionFromFile (char *filename, int n, char *title)
13129 if (strcmp(filename, "-") == 0) {
13130 return LoadPosition(stdin, n, "stdin");
13132 f = fopen(filename, "rb");
13134 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13135 DisplayError(buf, errno);
13138 return LoadPosition(f, n, title);
13143 /* Load the nth position from the given open file, and close it */
13145 LoadPosition (FILE *f, int positionNumber, char *title)
13147 char *p, line[MSG_SIZ];
13148 Board initial_position;
13149 int i, j, fenMode, pn;
13151 if (gameMode == Training )
13152 SetTrainingModeOff();
13154 if (gameMode != BeginningOfGame) {
13155 Reset(FALSE, TRUE);
13157 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13158 fclose(lastLoadPositionFP);
13160 if (positionNumber == 0) positionNumber = 1;
13161 lastLoadPositionFP = f;
13162 lastLoadPositionNumber = positionNumber;
13163 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13164 if (first.pr == NoProc && !appData.noChessProgram) {
13165 StartChessProgram(&first);
13166 InitChessProgram(&first, FALSE);
13168 pn = positionNumber;
13169 if (positionNumber < 0) {
13170 /* Negative position number means to seek to that byte offset */
13171 if (fseek(f, -positionNumber, 0) == -1) {
13172 DisplayError(_("Can't seek on position file"), 0);
13177 if (fseek(f, 0, 0) == -1) {
13178 if (f == lastLoadPositionFP ?
13179 positionNumber == lastLoadPositionNumber + 1 :
13180 positionNumber == 1) {
13183 DisplayError(_("Can't seek on position file"), 0);
13188 /* See if this file is FEN or old-style xboard */
13189 if (fgets(line, MSG_SIZ, f) == NULL) {
13190 DisplayError(_("Position not found in file"), 0);
13193 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13194 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13197 if (fenMode || line[0] == '#') pn--;
13199 /* skip positions before number pn */
13200 if (fgets(line, MSG_SIZ, f) == NULL) {
13202 DisplayError(_("Position not found in file"), 0);
13205 if (fenMode || line[0] == '#') pn--;
13210 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13211 DisplayError(_("Bad FEN position in file"), 0);
13215 (void) fgets(line, MSG_SIZ, f);
13216 (void) fgets(line, MSG_SIZ, f);
13218 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13219 (void) fgets(line, MSG_SIZ, f);
13220 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13223 initial_position[i][j++] = CharToPiece(*p);
13227 blackPlaysFirst = FALSE;
13229 (void) fgets(line, MSG_SIZ, f);
13230 if (strncmp(line, "black", strlen("black"))==0)
13231 blackPlaysFirst = TRUE;
13234 startedFromSetupPosition = TRUE;
13236 CopyBoard(boards[0], initial_position);
13237 if (blackPlaysFirst) {
13238 currentMove = forwardMostMove = backwardMostMove = 1;
13239 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13240 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13241 CopyBoard(boards[1], initial_position);
13242 DisplayMessage("", _("Black to play"));
13244 currentMove = forwardMostMove = backwardMostMove = 0;
13245 DisplayMessage("", _("White to play"));
13247 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13248 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13249 SendToProgram("force\n", &first);
13250 SendBoard(&first, forwardMostMove);
13252 if (appData.debugMode) {
13254 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13255 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13256 fprintf(debugFP, "Load Position\n");
13259 if (positionNumber > 1) {
13260 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13261 DisplayTitle(line);
13263 DisplayTitle(title);
13265 gameMode = EditGame;
13268 timeRemaining[0][1] = whiteTimeRemaining;
13269 timeRemaining[1][1] = blackTimeRemaining;
13270 DrawPosition(FALSE, boards[currentMove]);
13277 CopyPlayerNameIntoFileName (char **dest, char *src)
13279 while (*src != NULLCHAR && *src != ',') {
13284 *(*dest)++ = *src++;
13290 DefaultFileName (char *ext)
13292 static char def[MSG_SIZ];
13295 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13297 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13299 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13301 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13308 /* Save the current game to the given file */
13310 SaveGameToFile (char *filename, int append)
13314 int result, i, t,tot=0;
13316 if (strcmp(filename, "-") == 0) {
13317 return SaveGame(stdout, 0, NULL);
13319 for(i=0; i<10; i++) { // upto 10 tries
13320 f = fopen(filename, append ? "a" : "w");
13321 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13322 if(f || errno != 13) break;
13323 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13327 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13328 DisplayError(buf, errno);
13331 safeStrCpy(buf, lastMsg, MSG_SIZ);
13332 DisplayMessage(_("Waiting for access to save file"), "");
13333 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13334 DisplayMessage(_("Saving game"), "");
13335 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13336 result = SaveGame(f, 0, NULL);
13337 DisplayMessage(buf, "");
13344 SavePart (char *str)
13346 static char buf[MSG_SIZ];
13349 p = strchr(str, ' ');
13350 if (p == NULL) return str;
13351 strncpy(buf, str, p - str);
13352 buf[p - str] = NULLCHAR;
13356 #define PGN_MAX_LINE 75
13358 #define PGN_SIDE_WHITE 0
13359 #define PGN_SIDE_BLACK 1
13362 FindFirstMoveOutOfBook (int side)
13366 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13367 int index = backwardMostMove;
13368 int has_book_hit = 0;
13370 if( (index % 2) != side ) {
13374 while( index < forwardMostMove ) {
13375 /* Check to see if engine is in book */
13376 int depth = pvInfoList[index].depth;
13377 int score = pvInfoList[index].score;
13383 else if( score == 0 && depth == 63 ) {
13384 in_book = 1; /* Zappa */
13386 else if( score == 2 && depth == 99 ) {
13387 in_book = 1; /* Abrok */
13390 has_book_hit += in_book;
13406 GetOutOfBookInfo (char * buf)
13410 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13412 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13413 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13417 if( oob[0] >= 0 || oob[1] >= 0 ) {
13418 for( i=0; i<2; i++ ) {
13422 if( i > 0 && oob[0] >= 0 ) {
13423 strcat( buf, " " );
13426 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13427 sprintf( buf+strlen(buf), "%s%.2f",
13428 pvInfoList[idx].score >= 0 ? "+" : "",
13429 pvInfoList[idx].score / 100.0 );
13435 /* Save game in PGN style */
13437 SaveGamePGN2 (FILE *f)
13439 int i, offset, linelen, newblock;
13442 int movelen, numlen, blank;
13443 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13445 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13447 PrintPGNTags(f, &gameInfo);
13449 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13451 if (backwardMostMove > 0 || startedFromSetupPosition) {
13452 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13453 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13454 fprintf(f, "\n{--------------\n");
13455 PrintPosition(f, backwardMostMove);
13456 fprintf(f, "--------------}\n");
13460 /* [AS] Out of book annotation */
13461 if( appData.saveOutOfBookInfo ) {
13464 GetOutOfBookInfo( buf );
13466 if( buf[0] != '\0' ) {
13467 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13474 i = backwardMostMove;
13478 while (i < forwardMostMove) {
13479 /* Print comments preceding this move */
13480 if (commentList[i] != NULL) {
13481 if (linelen > 0) fprintf(f, "\n");
13482 fprintf(f, "%s", commentList[i]);
13487 /* Format move number */
13489 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13492 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13494 numtext[0] = NULLCHAR;
13496 numlen = strlen(numtext);
13499 /* Print move number */
13500 blank = linelen > 0 && numlen > 0;
13501 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13510 fprintf(f, "%s", numtext);
13514 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13515 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13518 blank = linelen > 0 && movelen > 0;
13519 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13528 fprintf(f, "%s", move_buffer);
13529 linelen += movelen;
13531 /* [AS] Add PV info if present */
13532 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13533 /* [HGM] add time */
13534 char buf[MSG_SIZ]; int seconds;
13536 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13542 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13545 seconds = (seconds + 4)/10; // round to full seconds
13547 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13549 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13552 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13553 pvInfoList[i].score >= 0 ? "+" : "",
13554 pvInfoList[i].score / 100.0,
13555 pvInfoList[i].depth,
13558 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13560 /* Print score/depth */
13561 blank = linelen > 0 && movelen > 0;
13562 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13571 fprintf(f, "%s", move_buffer);
13572 linelen += movelen;
13578 /* Start a new line */
13579 if (linelen > 0) fprintf(f, "\n");
13581 /* Print comments after last move */
13582 if (commentList[i] != NULL) {
13583 fprintf(f, "%s\n", commentList[i]);
13587 if (gameInfo.resultDetails != NULL &&
13588 gameInfo.resultDetails[0] != NULLCHAR) {
13589 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13590 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13591 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13592 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13593 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13595 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13599 /* Save game in PGN style and close the file */
13601 SaveGamePGN (FILE *f)
13605 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13609 /* Save game in old style and close the file */
13611 SaveGameOldStyle (FILE *f)
13616 tm = time((time_t *) NULL);
13618 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13621 if (backwardMostMove > 0 || startedFromSetupPosition) {
13622 fprintf(f, "\n[--------------\n");
13623 PrintPosition(f, backwardMostMove);
13624 fprintf(f, "--------------]\n");
13629 i = backwardMostMove;
13630 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13632 while (i < forwardMostMove) {
13633 if (commentList[i] != NULL) {
13634 fprintf(f, "[%s]\n", commentList[i]);
13637 if ((i % 2) == 1) {
13638 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13641 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13643 if (commentList[i] != NULL) {
13647 if (i >= forwardMostMove) {
13651 fprintf(f, "%s\n", parseList[i]);
13656 if (commentList[i] != NULL) {
13657 fprintf(f, "[%s]\n", commentList[i]);
13660 /* This isn't really the old style, but it's close enough */
13661 if (gameInfo.resultDetails != NULL &&
13662 gameInfo.resultDetails[0] != NULLCHAR) {
13663 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13664 gameInfo.resultDetails);
13666 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13673 /* Save the current game to open file f and close the file */
13675 SaveGame (FILE *f, int dummy, char *dummy2)
13677 if (gameMode == EditPosition) EditPositionDone(TRUE);
13678 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13679 if (appData.oldSaveStyle)
13680 return SaveGameOldStyle(f);
13682 return SaveGamePGN(f);
13685 /* Save the current position to the given file */
13687 SavePositionToFile (char *filename)
13692 if (strcmp(filename, "-") == 0) {
13693 return SavePosition(stdout, 0, NULL);
13695 f = fopen(filename, "a");
13697 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13698 DisplayError(buf, errno);
13701 safeStrCpy(buf, lastMsg, MSG_SIZ);
13702 DisplayMessage(_("Waiting for access to save file"), "");
13703 flock(fileno(f), LOCK_EX); // [HGM] lock
13704 DisplayMessage(_("Saving position"), "");
13705 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13706 SavePosition(f, 0, NULL);
13707 DisplayMessage(buf, "");
13713 /* Save the current position to the given open file and close the file */
13715 SavePosition (FILE *f, int dummy, char *dummy2)
13720 if (gameMode == EditPosition) EditPositionDone(TRUE);
13721 if (appData.oldSaveStyle) {
13722 tm = time((time_t *) NULL);
13724 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13726 fprintf(f, "[--------------\n");
13727 PrintPosition(f, currentMove);
13728 fprintf(f, "--------------]\n");
13730 fen = PositionToFEN(currentMove, NULL, 1);
13731 fprintf(f, "%s\n", fen);
13739 ReloadCmailMsgEvent (int unregister)
13742 static char *inFilename = NULL;
13743 static char *outFilename;
13745 struct stat inbuf, outbuf;
13748 /* Any registered moves are unregistered if unregister is set, */
13749 /* i.e. invoked by the signal handler */
13751 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13752 cmailMoveRegistered[i] = FALSE;
13753 if (cmailCommentList[i] != NULL) {
13754 free(cmailCommentList[i]);
13755 cmailCommentList[i] = NULL;
13758 nCmailMovesRegistered = 0;
13761 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13762 cmailResult[i] = CMAIL_NOT_RESULT;
13766 if (inFilename == NULL) {
13767 /* Because the filenames are static they only get malloced once */
13768 /* and they never get freed */
13769 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13770 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13772 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13773 sprintf(outFilename, "%s.out", appData.cmailGameName);
13776 status = stat(outFilename, &outbuf);
13778 cmailMailedMove = FALSE;
13780 status = stat(inFilename, &inbuf);
13781 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13784 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13785 counts the games, notes how each one terminated, etc.
13787 It would be nice to remove this kludge and instead gather all
13788 the information while building the game list. (And to keep it
13789 in the game list nodes instead of having a bunch of fixed-size
13790 parallel arrays.) Note this will require getting each game's
13791 termination from the PGN tags, as the game list builder does
13792 not process the game moves. --mann
13794 cmailMsgLoaded = TRUE;
13795 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13797 /* Load first game in the file or popup game menu */
13798 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13800 #endif /* !WIN32 */
13808 char string[MSG_SIZ];
13810 if ( cmailMailedMove
13811 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13812 return TRUE; /* Allow free viewing */
13815 /* Unregister move to ensure that we don't leave RegisterMove */
13816 /* with the move registered when the conditions for registering no */
13818 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13819 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13820 nCmailMovesRegistered --;
13822 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13824 free(cmailCommentList[lastLoadGameNumber - 1]);
13825 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13829 if (cmailOldMove == -1) {
13830 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13834 if (currentMove > cmailOldMove + 1) {
13835 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13839 if (currentMove < cmailOldMove) {
13840 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13844 if (forwardMostMove > currentMove) {
13845 /* Silently truncate extra moves */
13849 if ( (currentMove == cmailOldMove + 1)
13850 || ( (currentMove == cmailOldMove)
13851 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13852 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13853 if (gameInfo.result != GameUnfinished) {
13854 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13857 if (commentList[currentMove] != NULL) {
13858 cmailCommentList[lastLoadGameNumber - 1]
13859 = StrSave(commentList[currentMove]);
13861 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13863 if (appData.debugMode)
13864 fprintf(debugFP, "Saving %s for game %d\n",
13865 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13867 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13869 f = fopen(string, "w");
13870 if (appData.oldSaveStyle) {
13871 SaveGameOldStyle(f); /* also closes the file */
13873 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13874 f = fopen(string, "w");
13875 SavePosition(f, 0, NULL); /* also closes the file */
13877 fprintf(f, "{--------------\n");
13878 PrintPosition(f, currentMove);
13879 fprintf(f, "--------------}\n\n");
13881 SaveGame(f, 0, NULL); /* also closes the file*/
13884 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13885 nCmailMovesRegistered ++;
13886 } else if (nCmailGames == 1) {
13887 DisplayError(_("You have not made a move yet"), 0);
13898 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13899 FILE *commandOutput;
13900 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13901 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13907 if (! cmailMsgLoaded) {
13908 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13912 if (nCmailGames == nCmailResults) {
13913 DisplayError(_("No unfinished games"), 0);
13917 #if CMAIL_PROHIBIT_REMAIL
13918 if (cmailMailedMove) {
13919 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);
13920 DisplayError(msg, 0);
13925 if (! (cmailMailedMove || RegisterMove())) return;
13927 if ( cmailMailedMove
13928 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13929 snprintf(string, MSG_SIZ, partCommandString,
13930 appData.debugMode ? " -v" : "", appData.cmailGameName);
13931 commandOutput = popen(string, "r");
13933 if (commandOutput == NULL) {
13934 DisplayError(_("Failed to invoke cmail"), 0);
13936 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13937 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13939 if (nBuffers > 1) {
13940 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13941 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13942 nBytes = MSG_SIZ - 1;
13944 (void) memcpy(msg, buffer, nBytes);
13946 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13948 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13949 cmailMailedMove = TRUE; /* Prevent >1 moves */
13952 for (i = 0; i < nCmailGames; i ++) {
13953 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13958 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13960 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13962 appData.cmailGameName,
13964 LoadGameFromFile(buffer, 1, buffer, FALSE);
13965 cmailMsgLoaded = FALSE;
13969 DisplayInformation(msg);
13970 pclose(commandOutput);
13973 if ((*cmailMsg) != '\0') {
13974 DisplayInformation(cmailMsg);
13979 #endif /* !WIN32 */
13988 int prependComma = 0;
13990 char string[MSG_SIZ]; /* Space for game-list */
13993 if (!cmailMsgLoaded) return "";
13995 if (cmailMailedMove) {
13996 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13998 /* Create a list of games left */
13999 snprintf(string, MSG_SIZ, "[");
14000 for (i = 0; i < nCmailGames; i ++) {
14001 if (! ( cmailMoveRegistered[i]
14002 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14003 if (prependComma) {
14004 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14006 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14010 strcat(string, number);
14013 strcat(string, "]");
14015 if (nCmailMovesRegistered + nCmailResults == 0) {
14016 switch (nCmailGames) {
14018 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14022 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14026 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14031 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14033 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14038 if (nCmailResults == nCmailGames) {
14039 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14041 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14046 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14058 if (gameMode == Training)
14059 SetTrainingModeOff();
14062 cmailMsgLoaded = FALSE;
14063 if (appData.icsActive) {
14064 SendToICS(ics_prefix);
14065 SendToICS("refresh\n");
14070 ExitEvent (int status)
14074 /* Give up on clean exit */
14078 /* Keep trying for clean exit */
14082 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14083 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14085 if (telnetISR != NULL) {
14086 RemoveInputSource(telnetISR);
14088 if (icsPR != NoProc) {
14089 DestroyChildProcess(icsPR, TRUE);
14092 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14093 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14095 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14096 /* make sure this other one finishes before killing it! */
14097 if(endingGame) { int count = 0;
14098 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14099 while(endingGame && count++ < 10) DoSleep(1);
14100 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14103 /* Kill off chess programs */
14104 if (first.pr != NoProc) {
14107 DoSleep( appData.delayBeforeQuit );
14108 SendToProgram("quit\n", &first);
14109 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14111 if (second.pr != NoProc) {
14112 DoSleep( appData.delayBeforeQuit );
14113 SendToProgram("quit\n", &second);
14114 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14116 if (first.isr != NULL) {
14117 RemoveInputSource(first.isr);
14119 if (second.isr != NULL) {
14120 RemoveInputSource(second.isr);
14123 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14124 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14126 ShutDownFrontEnd();
14131 PauseEngine (ChessProgramState *cps)
14133 SendToProgram("pause\n", cps);
14138 UnPauseEngine (ChessProgramState *cps)
14140 SendToProgram("resume\n", cps);
14147 if (appData.debugMode)
14148 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14152 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14154 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14155 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14156 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14158 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14159 HandleMachineMove(stashedInputMove, stalledEngine);
14160 stalledEngine = NULL;
14163 if (gameMode == MachinePlaysWhite ||
14164 gameMode == TwoMachinesPlay ||
14165 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14166 if(first.pause) UnPauseEngine(&first);
14167 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14168 if(second.pause) UnPauseEngine(&second);
14169 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14172 DisplayBothClocks();
14174 if (gameMode == PlayFromGameFile) {
14175 if (appData.timeDelay >= 0)
14176 AutoPlayGameLoop();
14177 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14178 Reset(FALSE, TRUE);
14179 SendToICS(ics_prefix);
14180 SendToICS("refresh\n");
14181 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14182 ForwardInner(forwardMostMove);
14184 pauseExamInvalid = FALSE;
14186 switch (gameMode) {
14190 pauseExamForwardMostMove = forwardMostMove;
14191 pauseExamInvalid = FALSE;
14194 case IcsPlayingWhite:
14195 case IcsPlayingBlack:
14199 case PlayFromGameFile:
14200 (void) StopLoadGameTimer();
14204 case BeginningOfGame:
14205 if (appData.icsActive) return;
14206 /* else fall through */
14207 case MachinePlaysWhite:
14208 case MachinePlaysBlack:
14209 case TwoMachinesPlay:
14210 if (forwardMostMove == 0)
14211 return; /* don't pause if no one has moved */
14212 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14213 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14214 if(onMove->pause) { // thinking engine can be paused
14215 PauseEngine(onMove); // do it
14216 if(onMove->other->pause) // pondering opponent can always be paused immediately
14217 PauseEngine(onMove->other);
14219 SendToProgram("easy\n", onMove->other);
14221 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14222 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14224 PauseEngine(&first);
14226 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14227 } else { // human on move, pause pondering by either method
14229 PauseEngine(&first);
14230 else if(appData.ponderNextMove)
14231 SendToProgram("easy\n", &first);
14234 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14244 EditCommentEvent ()
14246 char title[MSG_SIZ];
14248 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14249 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14251 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14252 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14253 parseList[currentMove - 1]);
14256 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14263 char *tags = PGNTags(&gameInfo);
14265 EditTagsPopUp(tags, NULL);
14272 if(second.analyzing) {
14273 SendToProgram("exit\n", &second);
14274 second.analyzing = FALSE;
14276 if (second.pr == NoProc) StartChessProgram(&second);
14277 InitChessProgram(&second, FALSE);
14278 FeedMovesToProgram(&second, currentMove);
14280 SendToProgram("analyze\n", &second);
14281 second.analyzing = TRUE;
14285 /* Toggle ShowThinking */
14287 ToggleShowThinking()
14289 appData.showThinking = !appData.showThinking;
14290 ShowThinkingEvent();
14294 AnalyzeModeEvent ()
14298 if (!first.analysisSupport) {
14299 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14300 DisplayError(buf, 0);
14303 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14304 if (appData.icsActive) {
14305 if (gameMode != IcsObserving) {
14306 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14307 DisplayError(buf, 0);
14309 if (appData.icsEngineAnalyze) {
14310 if (appData.debugMode)
14311 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14317 /* if enable, user wants to disable icsEngineAnalyze */
14318 if (appData.icsEngineAnalyze) {
14323 appData.icsEngineAnalyze = TRUE;
14324 if (appData.debugMode)
14325 fprintf(debugFP, "ICS engine analyze starting... \n");
14328 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14329 if (appData.noChessProgram || gameMode == AnalyzeMode)
14332 if (gameMode != AnalyzeFile) {
14333 if (!appData.icsEngineAnalyze) {
14335 if (gameMode != EditGame) return 0;
14337 if (!appData.showThinking) ToggleShowThinking();
14338 ResurrectChessProgram();
14339 SendToProgram("analyze\n", &first);
14340 first.analyzing = TRUE;
14341 /*first.maybeThinking = TRUE;*/
14342 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14343 EngineOutputPopUp();
14345 if (!appData.icsEngineAnalyze) {
14346 gameMode = AnalyzeMode;
14347 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14353 StartAnalysisClock();
14354 GetTimeMark(&lastNodeCountTime);
14360 AnalyzeFileEvent ()
14362 if (appData.noChessProgram || gameMode == AnalyzeFile)
14365 if (!first.analysisSupport) {
14367 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14368 DisplayError(buf, 0);
14372 if (gameMode != AnalyzeMode) {
14373 keepInfo = 1; // mere annotating should not alter PGN tags
14376 if (gameMode != EditGame) return;
14377 if (!appData.showThinking) ToggleShowThinking();
14378 ResurrectChessProgram();
14379 SendToProgram("analyze\n", &first);
14380 first.analyzing = TRUE;
14381 /*first.maybeThinking = TRUE;*/
14382 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14383 EngineOutputPopUp();
14385 gameMode = AnalyzeFile;
14389 StartAnalysisClock();
14390 GetTimeMark(&lastNodeCountTime);
14392 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14393 AnalysisPeriodicEvent(1);
14397 MachineWhiteEvent ()
14400 char *bookHit = NULL;
14402 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14406 if (gameMode == PlayFromGameFile ||
14407 gameMode == TwoMachinesPlay ||
14408 gameMode == Training ||
14409 gameMode == AnalyzeMode ||
14410 gameMode == EndOfGame)
14413 if (gameMode == EditPosition)
14414 EditPositionDone(TRUE);
14416 if (!WhiteOnMove(currentMove)) {
14417 DisplayError(_("It is not White's turn"), 0);
14421 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14424 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14425 gameMode == AnalyzeFile)
14428 ResurrectChessProgram(); /* in case it isn't running */
14429 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14430 gameMode = MachinePlaysWhite;
14433 gameMode = MachinePlaysWhite;
14437 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14439 if (first.sendName) {
14440 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14441 SendToProgram(buf, &first);
14443 if (first.sendTime) {
14444 if (first.useColors) {
14445 SendToProgram("black\n", &first); /*gnu kludge*/
14447 SendTimeRemaining(&first, TRUE);
14449 if (first.useColors) {
14450 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14452 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14453 SetMachineThinkingEnables();
14454 first.maybeThinking = TRUE;
14458 if (appData.autoFlipView && !flipView) {
14459 flipView = !flipView;
14460 DrawPosition(FALSE, NULL);
14461 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14464 if(bookHit) { // [HGM] book: simulate book reply
14465 static char bookMove[MSG_SIZ]; // a bit generous?
14467 programStats.nodes = programStats.depth = programStats.time =
14468 programStats.score = programStats.got_only_move = 0;
14469 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14471 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14472 strcat(bookMove, bookHit);
14473 HandleMachineMove(bookMove, &first);
14478 MachineBlackEvent ()
14481 char *bookHit = NULL;
14483 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14487 if (gameMode == PlayFromGameFile ||
14488 gameMode == TwoMachinesPlay ||
14489 gameMode == Training ||
14490 gameMode == AnalyzeMode ||
14491 gameMode == EndOfGame)
14494 if (gameMode == EditPosition)
14495 EditPositionDone(TRUE);
14497 if (WhiteOnMove(currentMove)) {
14498 DisplayError(_("It is not Black's turn"), 0);
14502 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14505 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14506 gameMode == AnalyzeFile)
14509 ResurrectChessProgram(); /* in case it isn't running */
14510 gameMode = MachinePlaysBlack;
14514 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14516 if (first.sendName) {
14517 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14518 SendToProgram(buf, &first);
14520 if (first.sendTime) {
14521 if (first.useColors) {
14522 SendToProgram("white\n", &first); /*gnu kludge*/
14524 SendTimeRemaining(&first, FALSE);
14526 if (first.useColors) {
14527 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14529 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14530 SetMachineThinkingEnables();
14531 first.maybeThinking = TRUE;
14534 if (appData.autoFlipView && flipView) {
14535 flipView = !flipView;
14536 DrawPosition(FALSE, NULL);
14537 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14539 if(bookHit) { // [HGM] book: simulate book reply
14540 static char bookMove[MSG_SIZ]; // a bit generous?
14542 programStats.nodes = programStats.depth = programStats.time =
14543 programStats.score = programStats.got_only_move = 0;
14544 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14546 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14547 strcat(bookMove, bookHit);
14548 HandleMachineMove(bookMove, &first);
14554 DisplayTwoMachinesTitle ()
14557 if (appData.matchGames > 0) {
14558 if(appData.tourneyFile[0]) {
14559 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14560 gameInfo.white, _("vs."), gameInfo.black,
14561 nextGame+1, appData.matchGames+1,
14562 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14564 if (first.twoMachinesColor[0] == 'w') {
14565 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14566 gameInfo.white, _("vs."), gameInfo.black,
14567 first.matchWins, second.matchWins,
14568 matchGame - 1 - (first.matchWins + second.matchWins));
14570 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14571 gameInfo.white, _("vs."), gameInfo.black,
14572 second.matchWins, first.matchWins,
14573 matchGame - 1 - (first.matchWins + second.matchWins));
14576 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14582 SettingsMenuIfReady ()
14584 if (second.lastPing != second.lastPong) {
14585 DisplayMessage("", _("Waiting for second chess program"));
14586 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14590 DisplayMessage("", "");
14591 SettingsPopUp(&second);
14595 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14598 if (cps->pr == NoProc) {
14599 StartChessProgram(cps);
14600 if (cps->protocolVersion == 1) {
14602 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14604 /* kludge: allow timeout for initial "feature" command */
14605 if(retry != TwoMachinesEventIfReady) FreezeUI();
14606 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14607 DisplayMessage("", buf);
14608 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14616 TwoMachinesEvent P((void))
14620 ChessProgramState *onmove;
14621 char *bookHit = NULL;
14622 static int stalling = 0;
14626 if (appData.noChessProgram) return;
14628 switch (gameMode) {
14629 case TwoMachinesPlay:
14631 case MachinePlaysWhite:
14632 case MachinePlaysBlack:
14633 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14634 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14638 case BeginningOfGame:
14639 case PlayFromGameFile:
14642 if (gameMode != EditGame) return;
14645 EditPositionDone(TRUE);
14656 // forwardMostMove = currentMove;
14657 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14658 startingEngine = TRUE;
14660 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14662 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14663 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14664 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14667 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14669 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14670 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14671 startingEngine = matchMode = FALSE;
14672 DisplayError("second engine does not play this", 0);
14673 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14674 EditGameEvent(); // switch back to EditGame mode
14679 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14680 SendToProgram("force\n", &second);
14682 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14685 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14686 if(appData.matchPause>10000 || appData.matchPause<10)
14687 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14688 wait = SubtractTimeMarks(&now, &pauseStart);
14689 if(wait < appData.matchPause) {
14690 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14693 // we are now committed to starting the game
14695 DisplayMessage("", "");
14696 if (startedFromSetupPosition) {
14697 SendBoard(&second, backwardMostMove);
14698 if (appData.debugMode) {
14699 fprintf(debugFP, "Two Machines\n");
14702 for (i = backwardMostMove; i < forwardMostMove; i++) {
14703 SendMoveToProgram(i, &second);
14706 gameMode = TwoMachinesPlay;
14707 pausing = startingEngine = FALSE;
14708 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14710 DisplayTwoMachinesTitle();
14712 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14717 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14718 SendToProgram(first.computerString, &first);
14719 if (first.sendName) {
14720 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14721 SendToProgram(buf, &first);
14723 SendToProgram(second.computerString, &second);
14724 if (second.sendName) {
14725 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14726 SendToProgram(buf, &second);
14730 if (!first.sendTime || !second.sendTime) {
14731 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14732 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14734 if (onmove->sendTime) {
14735 if (onmove->useColors) {
14736 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14738 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14740 if (onmove->useColors) {
14741 SendToProgram(onmove->twoMachinesColor, onmove);
14743 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14744 // SendToProgram("go\n", onmove);
14745 onmove->maybeThinking = TRUE;
14746 SetMachineThinkingEnables();
14750 if(bookHit) { // [HGM] book: simulate book reply
14751 static char bookMove[MSG_SIZ]; // a bit generous?
14753 programStats.nodes = programStats.depth = programStats.time =
14754 programStats.score = programStats.got_only_move = 0;
14755 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14757 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14758 strcat(bookMove, bookHit);
14759 savedMessage = bookMove; // args for deferred call
14760 savedState = onmove;
14761 ScheduleDelayedEvent(DeferredBookMove, 1);
14768 if (gameMode == Training) {
14769 SetTrainingModeOff();
14770 gameMode = PlayFromGameFile;
14771 DisplayMessage("", _("Training mode off"));
14773 gameMode = Training;
14774 animateTraining = appData.animate;
14776 /* make sure we are not already at the end of the game */
14777 if (currentMove < forwardMostMove) {
14778 SetTrainingModeOn();
14779 DisplayMessage("", _("Training mode on"));
14781 gameMode = PlayFromGameFile;
14782 DisplayError(_("Already at end of game"), 0);
14791 if (!appData.icsActive) return;
14792 switch (gameMode) {
14793 case IcsPlayingWhite:
14794 case IcsPlayingBlack:
14797 case BeginningOfGame:
14805 EditPositionDone(TRUE);
14818 gameMode = IcsIdle;
14828 switch (gameMode) {
14830 SetTrainingModeOff();
14832 case MachinePlaysWhite:
14833 case MachinePlaysBlack:
14834 case BeginningOfGame:
14835 SendToProgram("force\n", &first);
14836 SetUserThinkingEnables();
14838 case PlayFromGameFile:
14839 (void) StopLoadGameTimer();
14840 if (gameFileFP != NULL) {
14845 EditPositionDone(TRUE);
14850 SendToProgram("force\n", &first);
14852 case TwoMachinesPlay:
14853 GameEnds(EndOfFile, NULL, GE_PLAYER);
14854 ResurrectChessProgram();
14855 SetUserThinkingEnables();
14858 ResurrectChessProgram();
14860 case IcsPlayingBlack:
14861 case IcsPlayingWhite:
14862 DisplayError(_("Warning: You are still playing a game"), 0);
14865 DisplayError(_("Warning: You are still observing a game"), 0);
14868 DisplayError(_("Warning: You are still examining a game"), 0);
14879 first.offeredDraw = second.offeredDraw = 0;
14881 if (gameMode == PlayFromGameFile) {
14882 whiteTimeRemaining = timeRemaining[0][currentMove];
14883 blackTimeRemaining = timeRemaining[1][currentMove];
14887 if (gameMode == MachinePlaysWhite ||
14888 gameMode == MachinePlaysBlack ||
14889 gameMode == TwoMachinesPlay ||
14890 gameMode == EndOfGame) {
14891 i = forwardMostMove;
14892 while (i > currentMove) {
14893 SendToProgram("undo\n", &first);
14896 if(!adjustedClock) {
14897 whiteTimeRemaining = timeRemaining[0][currentMove];
14898 blackTimeRemaining = timeRemaining[1][currentMove];
14899 DisplayBothClocks();
14901 if (whiteFlag || blackFlag) {
14902 whiteFlag = blackFlag = 0;
14907 gameMode = EditGame;
14914 EditPositionEvent ()
14916 if (gameMode == EditPosition) {
14922 if (gameMode != EditGame) return;
14924 gameMode = EditPosition;
14927 if (currentMove > 0)
14928 CopyBoard(boards[0], boards[currentMove]);
14930 blackPlaysFirst = !WhiteOnMove(currentMove);
14932 currentMove = forwardMostMove = backwardMostMove = 0;
14933 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14935 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14941 /* [DM] icsEngineAnalyze - possible call from other functions */
14942 if (appData.icsEngineAnalyze) {
14943 appData.icsEngineAnalyze = FALSE;
14945 DisplayMessage("",_("Close ICS engine analyze..."));
14947 if (first.analysisSupport && first.analyzing) {
14948 SendToBoth("exit\n");
14949 first.analyzing = second.analyzing = FALSE;
14951 thinkOutput[0] = NULLCHAR;
14955 EditPositionDone (Boolean fakeRights)
14957 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14959 startedFromSetupPosition = TRUE;
14960 InitChessProgram(&first, FALSE);
14961 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14962 boards[0][EP_STATUS] = EP_NONE;
14963 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14964 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14965 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14966 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14967 } else boards[0][CASTLING][2] = NoRights;
14968 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14969 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14970 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14971 } else boards[0][CASTLING][5] = NoRights;
14972 if(gameInfo.variant == VariantSChess) {
14974 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14975 boards[0][VIRGIN][i] = 0;
14976 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14977 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14981 SendToProgram("force\n", &first);
14982 if (blackPlaysFirst) {
14983 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14984 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14985 currentMove = forwardMostMove = backwardMostMove = 1;
14986 CopyBoard(boards[1], boards[0]);
14988 currentMove = forwardMostMove = backwardMostMove = 0;
14990 SendBoard(&first, forwardMostMove);
14991 if (appData.debugMode) {
14992 fprintf(debugFP, "EditPosDone\n");
14995 DisplayMessage("", "");
14996 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14997 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14998 gameMode = EditGame;
15000 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15001 ClearHighlights(); /* [AS] */
15004 /* Pause for `ms' milliseconds */
15005 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15007 TimeDelay (long ms)
15014 } while (SubtractTimeMarks(&m2, &m1) < ms);
15017 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15019 SendMultiLineToICS (char *buf)
15021 char temp[MSG_SIZ+1], *p;
15028 strncpy(temp, buf, len);
15033 if (*p == '\n' || *p == '\r')
15038 strcat(temp, "\n");
15040 SendToPlayer(temp, strlen(temp));
15044 SetWhiteToPlayEvent ()
15046 if (gameMode == EditPosition) {
15047 blackPlaysFirst = FALSE;
15048 DisplayBothClocks(); /* works because currentMove is 0 */
15049 } else if (gameMode == IcsExamining) {
15050 SendToICS(ics_prefix);
15051 SendToICS("tomove white\n");
15056 SetBlackToPlayEvent ()
15058 if (gameMode == EditPosition) {
15059 blackPlaysFirst = TRUE;
15060 currentMove = 1; /* kludge */
15061 DisplayBothClocks();
15063 } else if (gameMode == IcsExamining) {
15064 SendToICS(ics_prefix);
15065 SendToICS("tomove black\n");
15070 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15073 ChessSquare piece = boards[0][y][x];
15074 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15075 static int lastVariant;
15077 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15079 switch (selection) {
15081 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15082 MarkTargetSquares(1);
15083 CopyBoard(currentBoard, boards[0]);
15084 CopyBoard(menuBoard, initialPosition);
15085 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15086 SendToICS(ics_prefix);
15087 SendToICS("bsetup clear\n");
15088 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15089 SendToICS(ics_prefix);
15090 SendToICS("clearboard\n");
15093 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15094 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15095 for (y = 0; y < BOARD_HEIGHT; y++) {
15096 if (gameMode == IcsExamining) {
15097 if (boards[currentMove][y][x] != EmptySquare) {
15098 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15103 if(boards[0][y][x] != p) nonEmpty++;
15104 boards[0][y][x] = p;
15108 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15110 for(r = 0; r < BOARD_HEIGHT; r++) {
15111 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15112 ChessSquare p = menuBoard[r][x];
15113 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15116 DisplayMessage("Clicking clock again restores position", "");
15117 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15118 if(!nonEmpty) { // asked to clear an empty board
15119 CopyBoard(boards[0], menuBoard);
15121 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15122 CopyBoard(boards[0], initialPosition);
15124 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15125 && !CompareBoards(nullBoard, erasedBoard)) {
15126 CopyBoard(boards[0], erasedBoard);
15128 CopyBoard(erasedBoard, currentBoard);
15132 if (gameMode == EditPosition) {
15133 DrawPosition(FALSE, boards[0]);
15138 SetWhiteToPlayEvent();
15142 SetBlackToPlayEvent();
15146 if (gameMode == IcsExamining) {
15147 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15148 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15151 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15152 if(x == BOARD_LEFT-2) {
15153 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15154 boards[0][y][1] = 0;
15156 if(x == BOARD_RGHT+1) {
15157 if(y >= gameInfo.holdingsSize) break;
15158 boards[0][y][BOARD_WIDTH-2] = 0;
15161 boards[0][y][x] = EmptySquare;
15162 DrawPosition(FALSE, boards[0]);
15167 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15168 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15169 selection = (ChessSquare) (PROMOTED piece);
15170 } else if(piece == EmptySquare) selection = WhiteSilver;
15171 else selection = (ChessSquare)((int)piece - 1);
15175 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15176 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15177 selection = (ChessSquare) (DEMOTED piece);
15178 } else if(piece == EmptySquare) selection = BlackSilver;
15179 else selection = (ChessSquare)((int)piece + 1);
15184 if(gameInfo.variant == VariantShatranj ||
15185 gameInfo.variant == VariantXiangqi ||
15186 gameInfo.variant == VariantCourier ||
15187 gameInfo.variant == VariantASEAN ||
15188 gameInfo.variant == VariantMakruk )
15189 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15194 if(gameInfo.variant == VariantXiangqi)
15195 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15196 if(gameInfo.variant == VariantKnightmate)
15197 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15200 if (gameMode == IcsExamining) {
15201 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15202 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15203 PieceToChar(selection), AAA + x, ONE + y);
15206 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15208 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15209 n = PieceToNumber(selection - BlackPawn);
15210 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15211 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15212 boards[0][BOARD_HEIGHT-1-n][1]++;
15214 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15215 n = PieceToNumber(selection);
15216 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15217 boards[0][n][BOARD_WIDTH-1] = selection;
15218 boards[0][n][BOARD_WIDTH-2]++;
15221 boards[0][y][x] = selection;
15222 DrawPosition(TRUE, boards[0]);
15224 fromX = fromY = -1;
15232 DropMenuEvent (ChessSquare selection, int x, int y)
15234 ChessMove moveType;
15236 switch (gameMode) {
15237 case IcsPlayingWhite:
15238 case MachinePlaysBlack:
15239 if (!WhiteOnMove(currentMove)) {
15240 DisplayMoveError(_("It is Black's turn"));
15243 moveType = WhiteDrop;
15245 case IcsPlayingBlack:
15246 case MachinePlaysWhite:
15247 if (WhiteOnMove(currentMove)) {
15248 DisplayMoveError(_("It is White's turn"));
15251 moveType = BlackDrop;
15254 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15260 if (moveType == BlackDrop && selection < BlackPawn) {
15261 selection = (ChessSquare) ((int) selection
15262 + (int) BlackPawn - (int) WhitePawn);
15264 if (boards[currentMove][y][x] != EmptySquare) {
15265 DisplayMoveError(_("That square is occupied"));
15269 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15275 /* Accept a pending offer of any kind from opponent */
15277 if (appData.icsActive) {
15278 SendToICS(ics_prefix);
15279 SendToICS("accept\n");
15280 } else if (cmailMsgLoaded) {
15281 if (currentMove == cmailOldMove &&
15282 commentList[cmailOldMove] != NULL &&
15283 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15284 "Black offers a draw" : "White offers a draw")) {
15286 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15287 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15289 DisplayError(_("There is no pending offer on this move"), 0);
15290 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15293 /* Not used for offers from chess program */
15300 /* Decline a pending offer of any kind from opponent */
15302 if (appData.icsActive) {
15303 SendToICS(ics_prefix);
15304 SendToICS("decline\n");
15305 } else if (cmailMsgLoaded) {
15306 if (currentMove == cmailOldMove &&
15307 commentList[cmailOldMove] != NULL &&
15308 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15309 "Black offers a draw" : "White offers a draw")) {
15311 AppendComment(cmailOldMove, "Draw declined", TRUE);
15312 DisplayComment(cmailOldMove - 1, "Draw declined");
15315 DisplayError(_("There is no pending offer on this move"), 0);
15318 /* Not used for offers from chess program */
15325 /* Issue ICS rematch command */
15326 if (appData.icsActive) {
15327 SendToICS(ics_prefix);
15328 SendToICS("rematch\n");
15335 /* Call your opponent's flag (claim a win on time) */
15336 if (appData.icsActive) {
15337 SendToICS(ics_prefix);
15338 SendToICS("flag\n");
15340 switch (gameMode) {
15343 case MachinePlaysWhite:
15346 GameEnds(GameIsDrawn, "Both players ran out of time",
15349 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15351 DisplayError(_("Your opponent is not out of time"), 0);
15354 case MachinePlaysBlack:
15357 GameEnds(GameIsDrawn, "Both players ran out of time",
15360 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15362 DisplayError(_("Your opponent is not out of time"), 0);
15370 ClockClick (int which)
15371 { // [HGM] code moved to back-end from winboard.c
15372 if(which) { // black clock
15373 if (gameMode == EditPosition || gameMode == IcsExamining) {
15374 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15375 SetBlackToPlayEvent();
15376 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15377 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15378 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15379 } else if (shiftKey) {
15380 AdjustClock(which, -1);
15381 } else if (gameMode == IcsPlayingWhite ||
15382 gameMode == MachinePlaysBlack) {
15385 } else { // white clock
15386 if (gameMode == EditPosition || gameMode == IcsExamining) {
15387 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15388 SetWhiteToPlayEvent();
15389 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15390 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15391 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15392 } else if (shiftKey) {
15393 AdjustClock(which, -1);
15394 } else if (gameMode == IcsPlayingBlack ||
15395 gameMode == MachinePlaysWhite) {
15404 /* Offer draw or accept pending draw offer from opponent */
15406 if (appData.icsActive) {
15407 /* Note: tournament rules require draw offers to be
15408 made after you make your move but before you punch
15409 your clock. Currently ICS doesn't let you do that;
15410 instead, you immediately punch your clock after making
15411 a move, but you can offer a draw at any time. */
15413 SendToICS(ics_prefix);
15414 SendToICS("draw\n");
15415 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15416 } else if (cmailMsgLoaded) {
15417 if (currentMove == cmailOldMove &&
15418 commentList[cmailOldMove] != NULL &&
15419 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15420 "Black offers a draw" : "White offers a draw")) {
15421 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15422 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15423 } else if (currentMove == cmailOldMove + 1) {
15424 char *offer = WhiteOnMove(cmailOldMove) ?
15425 "White offers a draw" : "Black offers a draw";
15426 AppendComment(currentMove, offer, TRUE);
15427 DisplayComment(currentMove - 1, offer);
15428 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15430 DisplayError(_("You must make your move before offering a draw"), 0);
15431 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15433 } else if (first.offeredDraw) {
15434 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15436 if (first.sendDrawOffers) {
15437 SendToProgram("draw\n", &first);
15438 userOfferedDraw = TRUE;
15446 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15448 if (appData.icsActive) {
15449 SendToICS(ics_prefix);
15450 SendToICS("adjourn\n");
15452 /* Currently GNU Chess doesn't offer or accept Adjourns */
15460 /* Offer Abort or accept pending Abort offer from opponent */
15462 if (appData.icsActive) {
15463 SendToICS(ics_prefix);
15464 SendToICS("abort\n");
15466 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15473 /* Resign. You can do this even if it's not your turn. */
15475 if (appData.icsActive) {
15476 SendToICS(ics_prefix);
15477 SendToICS("resign\n");
15479 switch (gameMode) {
15480 case MachinePlaysWhite:
15481 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15483 case MachinePlaysBlack:
15484 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15487 if (cmailMsgLoaded) {
15489 if (WhiteOnMove(cmailOldMove)) {
15490 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15492 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15494 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15505 StopObservingEvent ()
15507 /* Stop observing current games */
15508 SendToICS(ics_prefix);
15509 SendToICS("unobserve\n");
15513 StopExaminingEvent ()
15515 /* Stop observing current game */
15516 SendToICS(ics_prefix);
15517 SendToICS("unexamine\n");
15521 ForwardInner (int target)
15523 int limit; int oldSeekGraphUp = seekGraphUp;
15525 if (appData.debugMode)
15526 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15527 target, currentMove, forwardMostMove);
15529 if (gameMode == EditPosition)
15532 seekGraphUp = FALSE;
15533 MarkTargetSquares(1);
15534 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15536 if (gameMode == PlayFromGameFile && !pausing)
15539 if (gameMode == IcsExamining && pausing)
15540 limit = pauseExamForwardMostMove;
15542 limit = forwardMostMove;
15544 if (target > limit) target = limit;
15546 if (target > 0 && moveList[target - 1][0]) {
15547 int fromX, fromY, toX, toY;
15548 toX = moveList[target - 1][2] - AAA;
15549 toY = moveList[target - 1][3] - ONE;
15550 if (moveList[target - 1][1] == '@') {
15551 if (appData.highlightLastMove) {
15552 SetHighlights(-1, -1, toX, toY);
15555 int viaX = moveList[target - 1][5] - AAA;
15556 int viaY = moveList[target - 1][6] - ONE;
15557 fromX = moveList[target - 1][0] - AAA;
15558 fromY = moveList[target - 1][1] - ONE;
15559 if (target == currentMove + 1) {
15560 if(moveList[target - 1][4] == ';') { // multi-leg
15561 ChessSquare piece = boards[currentMove][viaY][viaX];
15562 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15563 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15564 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15565 boards[currentMove][viaY][viaX] = piece;
15567 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15569 if (appData.highlightLastMove) {
15570 SetHighlights(fromX, fromY, toX, toY);
15574 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15575 gameMode == Training || gameMode == PlayFromGameFile ||
15576 gameMode == AnalyzeFile) {
15577 while (currentMove < target) {
15578 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15579 SendMoveToProgram(currentMove++, &first);
15582 currentMove = target;
15585 if (gameMode == EditGame || gameMode == EndOfGame) {
15586 whiteTimeRemaining = timeRemaining[0][currentMove];
15587 blackTimeRemaining = timeRemaining[1][currentMove];
15589 DisplayBothClocks();
15590 DisplayMove(currentMove - 1);
15591 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15592 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15593 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15594 DisplayComment(currentMove - 1, commentList[currentMove]);
15596 ClearMap(); // [HGM] exclude: invalidate map
15603 if (gameMode == IcsExamining && !pausing) {
15604 SendToICS(ics_prefix);
15605 SendToICS("forward\n");
15607 ForwardInner(currentMove + 1);
15614 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15615 /* to optimze, we temporarily turn off analysis mode while we feed
15616 * the remaining moves to the engine. Otherwise we get analysis output
15619 if (first.analysisSupport) {
15620 SendToProgram("exit\nforce\n", &first);
15621 first.analyzing = FALSE;
15625 if (gameMode == IcsExamining && !pausing) {
15626 SendToICS(ics_prefix);
15627 SendToICS("forward 999999\n");
15629 ForwardInner(forwardMostMove);
15632 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15633 /* we have fed all the moves, so reactivate analysis mode */
15634 SendToProgram("analyze\n", &first);
15635 first.analyzing = TRUE;
15636 /*first.maybeThinking = TRUE;*/
15637 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15642 BackwardInner (int target)
15644 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15646 if (appData.debugMode)
15647 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15648 target, currentMove, forwardMostMove);
15650 if (gameMode == EditPosition) return;
15651 seekGraphUp = FALSE;
15652 MarkTargetSquares(1);
15653 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15654 if (currentMove <= backwardMostMove) {
15656 DrawPosition(full_redraw, boards[currentMove]);
15659 if (gameMode == PlayFromGameFile && !pausing)
15662 if (moveList[target][0]) {
15663 int fromX, fromY, toX, toY;
15664 toX = moveList[target][2] - AAA;
15665 toY = moveList[target][3] - ONE;
15666 if (moveList[target][1] == '@') {
15667 if (appData.highlightLastMove) {
15668 SetHighlights(-1, -1, toX, toY);
15671 fromX = moveList[target][0] - AAA;
15672 fromY = moveList[target][1] - ONE;
15673 if (target == currentMove - 1) {
15674 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15676 if (appData.highlightLastMove) {
15677 SetHighlights(fromX, fromY, toX, toY);
15681 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15682 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15683 while (currentMove > target) {
15684 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15685 // null move cannot be undone. Reload program with move history before it.
15687 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15688 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15690 SendBoard(&first, i);
15691 if(second.analyzing) SendBoard(&second, i);
15692 for(currentMove=i; currentMove<target; currentMove++) {
15693 SendMoveToProgram(currentMove, &first);
15694 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15698 SendToBoth("undo\n");
15702 currentMove = target;
15705 if (gameMode == EditGame || gameMode == EndOfGame) {
15706 whiteTimeRemaining = timeRemaining[0][currentMove];
15707 blackTimeRemaining = timeRemaining[1][currentMove];
15709 DisplayBothClocks();
15710 DisplayMove(currentMove - 1);
15711 DrawPosition(full_redraw, boards[currentMove]);
15712 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15713 // [HGM] PV info: routine tests if comment empty
15714 DisplayComment(currentMove - 1, commentList[currentMove]);
15715 ClearMap(); // [HGM] exclude: invalidate map
15721 if (gameMode == IcsExamining && !pausing) {
15722 SendToICS(ics_prefix);
15723 SendToICS("backward\n");
15725 BackwardInner(currentMove - 1);
15732 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15733 /* to optimize, we temporarily turn off analysis mode while we undo
15734 * all the moves. Otherwise we get analysis output after each undo.
15736 if (first.analysisSupport) {
15737 SendToProgram("exit\nforce\n", &first);
15738 first.analyzing = FALSE;
15742 if (gameMode == IcsExamining && !pausing) {
15743 SendToICS(ics_prefix);
15744 SendToICS("backward 999999\n");
15746 BackwardInner(backwardMostMove);
15749 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15750 /* we have fed all the moves, so reactivate analysis mode */
15751 SendToProgram("analyze\n", &first);
15752 first.analyzing = TRUE;
15753 /*first.maybeThinking = TRUE;*/
15754 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15761 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15762 if (to >= forwardMostMove) to = forwardMostMove;
15763 if (to <= backwardMostMove) to = backwardMostMove;
15764 if (to < currentMove) {
15772 RevertEvent (Boolean annotate)
15774 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15777 if (gameMode != IcsExamining) {
15778 DisplayError(_("You are not examining a game"), 0);
15782 DisplayError(_("You can't revert while pausing"), 0);
15785 SendToICS(ics_prefix);
15786 SendToICS("revert\n");
15790 RetractMoveEvent ()
15792 switch (gameMode) {
15793 case MachinePlaysWhite:
15794 case MachinePlaysBlack:
15795 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15796 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15799 if (forwardMostMove < 2) return;
15800 currentMove = forwardMostMove = forwardMostMove - 2;
15801 whiteTimeRemaining = timeRemaining[0][currentMove];
15802 blackTimeRemaining = timeRemaining[1][currentMove];
15803 DisplayBothClocks();
15804 DisplayMove(currentMove - 1);
15805 ClearHighlights();/*!! could figure this out*/
15806 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15807 SendToProgram("remove\n", &first);
15808 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15811 case BeginningOfGame:
15815 case IcsPlayingWhite:
15816 case IcsPlayingBlack:
15817 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15818 SendToICS(ics_prefix);
15819 SendToICS("takeback 2\n");
15821 SendToICS(ics_prefix);
15822 SendToICS("takeback 1\n");
15831 ChessProgramState *cps;
15833 switch (gameMode) {
15834 case MachinePlaysWhite:
15835 if (!WhiteOnMove(forwardMostMove)) {
15836 DisplayError(_("It is your turn"), 0);
15841 case MachinePlaysBlack:
15842 if (WhiteOnMove(forwardMostMove)) {
15843 DisplayError(_("It is your turn"), 0);
15848 case TwoMachinesPlay:
15849 if (WhiteOnMove(forwardMostMove) ==
15850 (first.twoMachinesColor[0] == 'w')) {
15856 case BeginningOfGame:
15860 SendToProgram("?\n", cps);
15864 TruncateGameEvent ()
15867 if (gameMode != EditGame) return;
15874 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15875 if (forwardMostMove > currentMove) {
15876 if (gameInfo.resultDetails != NULL) {
15877 free(gameInfo.resultDetails);
15878 gameInfo.resultDetails = NULL;
15879 gameInfo.result = GameUnfinished;
15881 forwardMostMove = currentMove;
15882 HistorySet(parseList, backwardMostMove, forwardMostMove,
15890 if (appData.noChessProgram) return;
15891 switch (gameMode) {
15892 case MachinePlaysWhite:
15893 if (WhiteOnMove(forwardMostMove)) {
15894 DisplayError(_("Wait until your turn."), 0);
15898 case BeginningOfGame:
15899 case MachinePlaysBlack:
15900 if (!WhiteOnMove(forwardMostMove)) {
15901 DisplayError(_("Wait until your turn."), 0);
15906 DisplayError(_("No hint available"), 0);
15909 SendToProgram("hint\n", &first);
15910 hintRequested = TRUE;
15914 SaveSelected (FILE *g, int dummy, char *dummy2)
15916 ListGame * lg = (ListGame *) gameList.head;
15920 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15921 DisplayError(_("Game list not loaded or empty"), 0);
15925 creatingBook = TRUE; // suppresses stuff during load game
15927 /* Get list size */
15928 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15929 if(lg->position >= 0) { // selected?
15930 LoadGame(f, nItem, "", TRUE);
15931 SaveGamePGN2(g); // leaves g open
15934 lg = (ListGame *) lg->node.succ;
15938 creatingBook = FALSE;
15946 ListGame * lg = (ListGame *) gameList.head;
15949 static int secondTime = FALSE;
15951 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15952 DisplayError(_("Game list not loaded or empty"), 0);
15956 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15959 DisplayNote(_("Book file exists! Try again for overwrite."));
15963 creatingBook = TRUE;
15964 secondTime = FALSE;
15966 /* Get list size */
15967 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15968 if(lg->position >= 0) {
15969 LoadGame(f, nItem, "", TRUE);
15970 AddGameToBook(TRUE);
15973 lg = (ListGame *) lg->node.succ;
15976 creatingBook = FALSE;
15983 if (appData.noChessProgram) return;
15984 switch (gameMode) {
15985 case MachinePlaysWhite:
15986 if (WhiteOnMove(forwardMostMove)) {
15987 DisplayError(_("Wait until your turn."), 0);
15991 case BeginningOfGame:
15992 case MachinePlaysBlack:
15993 if (!WhiteOnMove(forwardMostMove)) {
15994 DisplayError(_("Wait until your turn."), 0);
15999 EditPositionDone(TRUE);
16001 case TwoMachinesPlay:
16006 SendToProgram("bk\n", &first);
16007 bookOutput[0] = NULLCHAR;
16008 bookRequested = TRUE;
16014 char *tags = PGNTags(&gameInfo);
16015 TagsPopUp(tags, CmailMsg());
16019 /* end button procedures */
16022 PrintPosition (FILE *fp, int move)
16026 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16027 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16028 char c = PieceToChar(boards[move][i][j]);
16029 fputc(c == 'x' ? '.' : c, fp);
16030 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16033 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16034 fprintf(fp, "white to play\n");
16036 fprintf(fp, "black to play\n");
16040 PrintOpponents (FILE *fp)
16042 if (gameInfo.white != NULL) {
16043 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16049 /* Find last component of program's own name, using some heuristics */
16051 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16054 int local = (strcmp(host, "localhost") == 0);
16055 while (!local && (p = strchr(prog, ';')) != NULL) {
16057 while (*p == ' ') p++;
16060 if (*prog == '"' || *prog == '\'') {
16061 q = strchr(prog + 1, *prog);
16063 q = strchr(prog, ' ');
16065 if (q == NULL) q = prog + strlen(prog);
16067 while (p >= prog && *p != '/' && *p != '\\') p--;
16069 if(p == prog && *p == '"') p++;
16071 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16072 memcpy(buf, p, q - p);
16073 buf[q - p] = NULLCHAR;
16081 TimeControlTagValue ()
16084 if (!appData.clockMode) {
16085 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16086 } else if (movesPerSession > 0) {
16087 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16088 } else if (timeIncrement == 0) {
16089 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16091 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16093 return StrSave(buf);
16099 /* This routine is used only for certain modes */
16100 VariantClass v = gameInfo.variant;
16101 ChessMove r = GameUnfinished;
16104 if(keepInfo) return;
16106 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16107 r = gameInfo.result;
16108 p = gameInfo.resultDetails;
16109 gameInfo.resultDetails = NULL;
16111 ClearGameInfo(&gameInfo);
16112 gameInfo.variant = v;
16114 switch (gameMode) {
16115 case MachinePlaysWhite:
16116 gameInfo.event = StrSave( appData.pgnEventHeader );
16117 gameInfo.site = StrSave(HostName());
16118 gameInfo.date = PGNDate();
16119 gameInfo.round = StrSave("-");
16120 gameInfo.white = StrSave(first.tidy);
16121 gameInfo.black = StrSave(UserName());
16122 gameInfo.timeControl = TimeControlTagValue();
16125 case MachinePlaysBlack:
16126 gameInfo.event = StrSave( appData.pgnEventHeader );
16127 gameInfo.site = StrSave(HostName());
16128 gameInfo.date = PGNDate();
16129 gameInfo.round = StrSave("-");
16130 gameInfo.white = StrSave(UserName());
16131 gameInfo.black = StrSave(first.tidy);
16132 gameInfo.timeControl = TimeControlTagValue();
16135 case TwoMachinesPlay:
16136 gameInfo.event = StrSave( appData.pgnEventHeader );
16137 gameInfo.site = StrSave(HostName());
16138 gameInfo.date = PGNDate();
16141 snprintf(buf, MSG_SIZ, "%d", roundNr);
16142 gameInfo.round = StrSave(buf);
16144 gameInfo.round = StrSave("-");
16146 if (first.twoMachinesColor[0] == 'w') {
16147 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16148 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16150 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16151 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16153 gameInfo.timeControl = TimeControlTagValue();
16157 gameInfo.event = StrSave("Edited game");
16158 gameInfo.site = StrSave(HostName());
16159 gameInfo.date = PGNDate();
16160 gameInfo.round = StrSave("-");
16161 gameInfo.white = StrSave("-");
16162 gameInfo.black = StrSave("-");
16163 gameInfo.result = r;
16164 gameInfo.resultDetails = p;
16168 gameInfo.event = StrSave("Edited position");
16169 gameInfo.site = StrSave(HostName());
16170 gameInfo.date = PGNDate();
16171 gameInfo.round = StrSave("-");
16172 gameInfo.white = StrSave("-");
16173 gameInfo.black = StrSave("-");
16176 case IcsPlayingWhite:
16177 case IcsPlayingBlack:
16182 case PlayFromGameFile:
16183 gameInfo.event = StrSave("Game from non-PGN file");
16184 gameInfo.site = StrSave(HostName());
16185 gameInfo.date = PGNDate();
16186 gameInfo.round = StrSave("-");
16187 gameInfo.white = StrSave("?");
16188 gameInfo.black = StrSave("?");
16197 ReplaceComment (int index, char *text)
16203 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16204 pvInfoList[index-1].depth == len &&
16205 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16206 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16207 while (*text == '\n') text++;
16208 len = strlen(text);
16209 while (len > 0 && text[len - 1] == '\n') len--;
16211 if (commentList[index] != NULL)
16212 free(commentList[index]);
16215 commentList[index] = NULL;
16218 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16219 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16220 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16221 commentList[index] = (char *) malloc(len + 2);
16222 strncpy(commentList[index], text, len);
16223 commentList[index][len] = '\n';
16224 commentList[index][len + 1] = NULLCHAR;
16226 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16228 commentList[index] = (char *) malloc(len + 7);
16229 safeStrCpy(commentList[index], "{\n", 3);
16230 safeStrCpy(commentList[index]+2, text, len+1);
16231 commentList[index][len+2] = NULLCHAR;
16232 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16233 strcat(commentList[index], "\n}\n");
16238 CrushCRs (char *text)
16246 if (ch == '\r') continue;
16248 } while (ch != '\0');
16252 AppendComment (int index, char *text, Boolean addBraces)
16253 /* addBraces tells if we should add {} */
16258 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16259 if(addBraces == 3) addBraces = 0; else // force appending literally
16260 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16263 while (*text == '\n') text++;
16264 len = strlen(text);
16265 while (len > 0 && text[len - 1] == '\n') len--;
16266 text[len] = NULLCHAR;
16268 if (len == 0) return;
16270 if (commentList[index] != NULL) {
16271 Boolean addClosingBrace = addBraces;
16272 old = commentList[index];
16273 oldlen = strlen(old);
16274 while(commentList[index][oldlen-1] == '\n')
16275 commentList[index][--oldlen] = NULLCHAR;
16276 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16277 safeStrCpy(commentList[index], old, oldlen + len + 6);
16279 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16280 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16281 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16282 while (*text == '\n') { text++; len--; }
16283 commentList[index][--oldlen] = NULLCHAR;
16285 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16286 else strcat(commentList[index], "\n");
16287 strcat(commentList[index], text);
16288 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16289 else strcat(commentList[index], "\n");
16291 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16293 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16294 else commentList[index][0] = NULLCHAR;
16295 strcat(commentList[index], text);
16296 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16297 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16302 FindStr (char * text, char * sub_text)
16304 char * result = strstr( text, sub_text );
16306 if( result != NULL ) {
16307 result += strlen( sub_text );
16313 /* [AS] Try to extract PV info from PGN comment */
16314 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16316 GetInfoFromComment (int index, char * text)
16318 char * sep = text, *p;
16320 if( text != NULL && index > 0 ) {
16323 int time = -1, sec = 0, deci;
16324 char * s_eval = FindStr( text, "[%eval " );
16325 char * s_emt = FindStr( text, "[%emt " );
16327 if( s_eval != NULL || s_emt != NULL ) {
16329 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16334 if( s_eval != NULL ) {
16335 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16339 if( delim != ']' ) {
16344 if( s_emt != NULL ) {
16349 /* We expect something like: [+|-]nnn.nn/dd */
16352 if(*text != '{') return text; // [HGM] braces: must be normal comment
16354 sep = strchr( text, '/' );
16355 if( sep == NULL || sep < (text+4) ) {
16360 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16361 if(p[1] == '(') { // comment starts with PV
16362 p = strchr(p, ')'); // locate end of PV
16363 if(p == NULL || sep < p+5) return text;
16364 // at this point we have something like "{(.*) +0.23/6 ..."
16365 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16366 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16367 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16369 time = -1; sec = -1; deci = -1;
16370 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16371 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16372 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16373 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16377 if( score_lo < 0 || score_lo >= 100 ) {
16381 if(sec >= 0) time = 600*time + 10*sec; else
16382 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16384 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16386 /* [HGM] PV time: now locate end of PV info */
16387 while( *++sep >= '0' && *sep <= '9'); // strip depth
16389 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16391 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16393 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16394 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16405 pvInfoList[index-1].depth = depth;
16406 pvInfoList[index-1].score = score;
16407 pvInfoList[index-1].time = 10*time; // centi-sec
16408 if(*sep == '}') *sep = 0; else *--sep = '{';
16409 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16415 SendToProgram (char *message, ChessProgramState *cps)
16417 int count, outCount, error;
16420 if (cps->pr == NoProc) return;
16423 if (appData.debugMode) {
16426 fprintf(debugFP, "%ld >%-6s: %s",
16427 SubtractTimeMarks(&now, &programStartTime),
16428 cps->which, message);
16430 fprintf(serverFP, "%ld >%-6s: %s",
16431 SubtractTimeMarks(&now, &programStartTime),
16432 cps->which, message), fflush(serverFP);
16435 count = strlen(message);
16436 outCount = OutputToProcess(cps->pr, message, count, &error);
16437 if (outCount < count && !exiting
16438 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16439 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16440 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16441 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16442 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16443 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16444 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16445 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16447 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16448 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16449 gameInfo.result = res;
16451 gameInfo.resultDetails = StrSave(buf);
16453 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16454 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16459 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16463 ChessProgramState *cps = (ChessProgramState *)closure;
16465 if (isr != cps->isr) return; /* Killed intentionally */
16468 RemoveInputSource(cps->isr);
16469 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16470 _(cps->which), cps->program);
16471 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16472 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16473 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16474 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16475 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16476 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16478 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16479 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16480 gameInfo.result = res;
16482 gameInfo.resultDetails = StrSave(buf);
16484 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16485 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16487 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16488 _(cps->which), cps->program);
16489 RemoveInputSource(cps->isr);
16491 /* [AS] Program is misbehaving badly... kill it */
16492 if( count == -2 ) {
16493 DestroyChildProcess( cps->pr, 9 );
16497 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16502 if ((end_str = strchr(message, '\r')) != NULL)
16503 *end_str = NULLCHAR;
16504 if ((end_str = strchr(message, '\n')) != NULL)
16505 *end_str = NULLCHAR;
16507 if (appData.debugMode) {
16508 TimeMark now; int print = 1;
16509 char *quote = ""; char c; int i;
16511 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16512 char start = message[0];
16513 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16514 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16515 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16516 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16517 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16518 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16519 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16520 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16521 sscanf(message, "hint: %c", &c)!=1 &&
16522 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16523 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16524 print = (appData.engineComments >= 2);
16526 message[0] = start; // restore original message
16530 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16531 SubtractTimeMarks(&now, &programStartTime), cps->which,
16535 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16536 SubtractTimeMarks(&now, &programStartTime), cps->which,
16538 message), fflush(serverFP);
16542 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16543 if (appData.icsEngineAnalyze) {
16544 if (strstr(message, "whisper") != NULL ||
16545 strstr(message, "kibitz") != NULL ||
16546 strstr(message, "tellics") != NULL) return;
16549 HandleMachineMove(message, cps);
16554 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16559 if( timeControl_2 > 0 ) {
16560 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16561 tc = timeControl_2;
16564 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16565 inc /= cps->timeOdds;
16566 st /= cps->timeOdds;
16568 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16571 /* Set exact time per move, normally using st command */
16572 if (cps->stKludge) {
16573 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16575 if (seconds == 0) {
16576 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16578 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16581 snprintf(buf, MSG_SIZ, "st %d\n", st);
16584 /* Set conventional or incremental time control, using level command */
16585 if (seconds == 0) {
16586 /* Note old gnuchess bug -- minutes:seconds used to not work.
16587 Fixed in later versions, but still avoid :seconds
16588 when seconds is 0. */
16589 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16591 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16592 seconds, inc/1000.);
16595 SendToProgram(buf, cps);
16597 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16598 /* Orthogonally, limit search to given depth */
16600 if (cps->sdKludge) {
16601 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16603 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16605 SendToProgram(buf, cps);
16608 if(cps->nps >= 0) { /* [HGM] nps */
16609 if(cps->supportsNPS == FALSE)
16610 cps->nps = -1; // don't use if engine explicitly says not supported!
16612 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16613 SendToProgram(buf, cps);
16618 ChessProgramState *
16620 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16622 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16623 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16629 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16631 char message[MSG_SIZ];
16634 /* Note: this routine must be called when the clocks are stopped
16635 or when they have *just* been set or switched; otherwise
16636 it will be off by the time since the current tick started.
16638 if (machineWhite) {
16639 time = whiteTimeRemaining / 10;
16640 otime = blackTimeRemaining / 10;
16642 time = blackTimeRemaining / 10;
16643 otime = whiteTimeRemaining / 10;
16645 /* [HGM] translate opponent's time by time-odds factor */
16646 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16648 if (time <= 0) time = 1;
16649 if (otime <= 0) otime = 1;
16651 snprintf(message, MSG_SIZ, "time %ld\n", time);
16652 SendToProgram(message, cps);
16654 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16655 SendToProgram(message, cps);
16659 EngineDefinedVariant (ChessProgramState *cps, int n)
16660 { // return name of n-th unknown variant that engine supports
16661 static char buf[MSG_SIZ];
16662 char *p, *s = cps->variants;
16663 if(!s) return NULL;
16664 do { // parse string from variants feature
16666 p = strchr(s, ',');
16667 if(p) *p = NULLCHAR;
16668 v = StringToVariant(s);
16669 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16670 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16671 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16672 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16673 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16674 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16675 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16678 if(n < 0) return buf;
16684 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16687 int len = strlen(name);
16690 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16692 sscanf(*p, "%d", &val);
16694 while (**p && **p != ' ')
16696 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16697 SendToProgram(buf, cps);
16704 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16707 int len = strlen(name);
16708 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16710 sscanf(*p, "%d", loc);
16711 while (**p && **p != ' ') (*p)++;
16712 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16713 SendToProgram(buf, cps);
16720 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16723 int len = strlen(name);
16724 if (strncmp((*p), name, len) == 0
16725 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16727 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16728 sscanf(*p, "%[^\"]", *loc);
16729 while (**p && **p != '\"') (*p)++;
16730 if (**p == '\"') (*p)++;
16731 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16732 SendToProgram(buf, cps);
16739 ParseOption (Option *opt, ChessProgramState *cps)
16740 // [HGM] options: process the string that defines an engine option, and determine
16741 // name, type, default value, and allowed value range
16743 char *p, *q, buf[MSG_SIZ];
16744 int n, min = (-1)<<31, max = 1<<31, def;
16746 if(p = strstr(opt->name, " -spin ")) {
16747 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16748 if(max < min) max = min; // enforce consistency
16749 if(def < min) def = min;
16750 if(def > max) def = max;
16755 } else if((p = strstr(opt->name, " -slider "))) {
16756 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16757 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16758 if(max < min) max = min; // enforce consistency
16759 if(def < min) def = min;
16760 if(def > max) def = max;
16764 opt->type = Spin; // Slider;
16765 } else if((p = strstr(opt->name, " -string "))) {
16766 opt->textValue = p+9;
16767 opt->type = TextBox;
16768 } else if((p = strstr(opt->name, " -file "))) {
16769 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16770 opt->textValue = p+7;
16771 opt->type = FileName; // FileName;
16772 } else if((p = strstr(opt->name, " -path "))) {
16773 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16774 opt->textValue = p+7;
16775 opt->type = PathName; // PathName;
16776 } else if(p = strstr(opt->name, " -check ")) {
16777 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16778 opt->value = (def != 0);
16779 opt->type = CheckBox;
16780 } else if(p = strstr(opt->name, " -combo ")) {
16781 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16782 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16783 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16784 opt->value = n = 0;
16785 while(q = StrStr(q, " /// ")) {
16786 n++; *q = 0; // count choices, and null-terminate each of them
16788 if(*q == '*') { // remember default, which is marked with * prefix
16792 cps->comboList[cps->comboCnt++] = q;
16794 cps->comboList[cps->comboCnt++] = NULL;
16796 opt->type = ComboBox;
16797 } else if(p = strstr(opt->name, " -button")) {
16798 opt->type = Button;
16799 } else if(p = strstr(opt->name, " -save")) {
16800 opt->type = SaveButton;
16801 } else return FALSE;
16802 *p = 0; // terminate option name
16803 // now look if the command-line options define a setting for this engine option.
16804 if(cps->optionSettings && cps->optionSettings[0])
16805 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16806 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16807 snprintf(buf, MSG_SIZ, "option %s", p);
16808 if(p = strstr(buf, ",")) *p = 0;
16809 if(q = strchr(buf, '=')) switch(opt->type) {
16811 for(n=0; n<opt->max; n++)
16812 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16815 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16819 opt->value = atoi(q+1);
16824 SendToProgram(buf, cps);
16830 FeatureDone (ChessProgramState *cps, int val)
16832 DelayedEventCallback cb = GetDelayedEvent();
16833 if ((cb == InitBackEnd3 && cps == &first) ||
16834 (cb == SettingsMenuIfReady && cps == &second) ||
16835 (cb == LoadEngine) ||
16836 (cb == TwoMachinesEventIfReady)) {
16837 CancelDelayedEvent();
16838 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16840 cps->initDone = val;
16841 if(val) cps->reload = FALSE;
16844 /* Parse feature command from engine */
16846 ParseFeatures (char *args, ChessProgramState *cps)
16854 while (*p == ' ') p++;
16855 if (*p == NULLCHAR) return;
16857 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16858 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16859 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16860 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16861 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16862 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16863 if (BoolFeature(&p, "reuse", &val, cps)) {
16864 /* Engine can disable reuse, but can't enable it if user said no */
16865 if (!val) cps->reuse = FALSE;
16868 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16869 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16870 if (gameMode == TwoMachinesPlay) {
16871 DisplayTwoMachinesTitle();
16877 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16878 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16879 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16880 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16881 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16882 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16883 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16884 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16885 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16886 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16887 if (IntFeature(&p, "done", &val, cps)) {
16888 FeatureDone(cps, val);
16891 /* Added by Tord: */
16892 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16893 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16894 /* End of additions by Tord */
16896 /* [HGM] added features: */
16897 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16898 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16899 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16900 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16901 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16902 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16903 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16904 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16905 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16906 FREE(cps->option[cps->nrOptions].name);
16907 cps->option[cps->nrOptions].name = q; q = NULL;
16908 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16909 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16910 SendToProgram(buf, cps);
16913 if(cps->nrOptions >= MAX_OPTIONS) {
16915 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16916 DisplayError(buf, 0);
16920 /* End of additions by HGM */
16922 /* unknown feature: complain and skip */
16924 while (*q && *q != '=') q++;
16925 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16926 SendToProgram(buf, cps);
16932 while (*p && *p != '\"') p++;
16933 if (*p == '\"') p++;
16935 while (*p && *p != ' ') p++;
16943 PeriodicUpdatesEvent (int newState)
16945 if (newState == appData.periodicUpdates)
16948 appData.periodicUpdates=newState;
16950 /* Display type changes, so update it now */
16951 // DisplayAnalysis();
16953 /* Get the ball rolling again... */
16955 AnalysisPeriodicEvent(1);
16956 StartAnalysisClock();
16961 PonderNextMoveEvent (int newState)
16963 if (newState == appData.ponderNextMove) return;
16964 if (gameMode == EditPosition) EditPositionDone(TRUE);
16966 SendToProgram("hard\n", &first);
16967 if (gameMode == TwoMachinesPlay) {
16968 SendToProgram("hard\n", &second);
16971 SendToProgram("easy\n", &first);
16972 thinkOutput[0] = NULLCHAR;
16973 if (gameMode == TwoMachinesPlay) {
16974 SendToProgram("easy\n", &second);
16977 appData.ponderNextMove = newState;
16981 NewSettingEvent (int option, int *feature, char *command, int value)
16985 if (gameMode == EditPosition) EditPositionDone(TRUE);
16986 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16987 if(feature == NULL || *feature) SendToProgram(buf, &first);
16988 if (gameMode == TwoMachinesPlay) {
16989 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16994 ShowThinkingEvent ()
16995 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16997 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16998 int newState = appData.showThinking
16999 // [HGM] thinking: other features now need thinking output as well
17000 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17002 if (oldState == newState) return;
17003 oldState = newState;
17004 if (gameMode == EditPosition) EditPositionDone(TRUE);
17006 SendToProgram("post\n", &first);
17007 if (gameMode == TwoMachinesPlay) {
17008 SendToProgram("post\n", &second);
17011 SendToProgram("nopost\n", &first);
17012 thinkOutput[0] = NULLCHAR;
17013 if (gameMode == TwoMachinesPlay) {
17014 SendToProgram("nopost\n", &second);
17017 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17021 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17023 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17024 if (pr == NoProc) return;
17025 AskQuestion(title, question, replyPrefix, pr);
17029 TypeInEvent (char firstChar)
17031 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17032 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17033 gameMode == AnalyzeMode || gameMode == EditGame ||
17034 gameMode == EditPosition || gameMode == IcsExamining ||
17035 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17036 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17037 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17038 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17039 gameMode == Training) PopUpMoveDialog(firstChar);
17043 TypeInDoneEvent (char *move)
17046 int n, fromX, fromY, toX, toY;
17048 ChessMove moveType;
17051 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17052 EditPositionPasteFEN(move);
17055 // [HGM] movenum: allow move number to be typed in any mode
17056 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17060 // undocumented kludge: allow command-line option to be typed in!
17061 // (potentially fatal, and does not implement the effect of the option.)
17062 // should only be used for options that are values on which future decisions will be made,
17063 // and definitely not on options that would be used during initialization.
17064 if(strstr(move, "!!! -") == move) {
17065 ParseArgsFromString(move+4);
17069 if (gameMode != EditGame && currentMove != forwardMostMove &&
17070 gameMode != Training) {
17071 DisplayMoveError(_("Displayed move is not current"));
17073 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17074 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17075 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17076 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17077 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17078 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17080 DisplayMoveError(_("Could not parse move"));
17086 DisplayMove (int moveNumber)
17088 char message[MSG_SIZ];
17090 char cpThinkOutput[MSG_SIZ];
17092 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17094 if (moveNumber == forwardMostMove - 1 ||
17095 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17097 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17099 if (strchr(cpThinkOutput, '\n')) {
17100 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17103 *cpThinkOutput = NULLCHAR;
17106 /* [AS] Hide thinking from human user */
17107 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17108 *cpThinkOutput = NULLCHAR;
17109 if( thinkOutput[0] != NULLCHAR ) {
17112 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17113 cpThinkOutput[i] = '.';
17115 cpThinkOutput[i] = NULLCHAR;
17116 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17120 if (moveNumber == forwardMostMove - 1 &&
17121 gameInfo.resultDetails != NULL) {
17122 if (gameInfo.resultDetails[0] == NULLCHAR) {
17123 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17125 snprintf(res, MSG_SIZ, " {%s} %s",
17126 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17132 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17133 DisplayMessage(res, cpThinkOutput);
17135 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17136 WhiteOnMove(moveNumber) ? " " : ".. ",
17137 parseList[moveNumber], res);
17138 DisplayMessage(message, cpThinkOutput);
17143 DisplayComment (int moveNumber, char *text)
17145 char title[MSG_SIZ];
17147 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17148 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17150 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17151 WhiteOnMove(moveNumber) ? " " : ".. ",
17152 parseList[moveNumber]);
17154 if (text != NULL && (appData.autoDisplayComment || commentUp))
17155 CommentPopUp(title, text);
17158 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17159 * might be busy thinking or pondering. It can be omitted if your
17160 * gnuchess is configured to stop thinking immediately on any user
17161 * input. However, that gnuchess feature depends on the FIONREAD
17162 * ioctl, which does not work properly on some flavors of Unix.
17165 Attention (ChessProgramState *cps)
17168 if (!cps->useSigint) return;
17169 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17170 switch (gameMode) {
17171 case MachinePlaysWhite:
17172 case MachinePlaysBlack:
17173 case TwoMachinesPlay:
17174 case IcsPlayingWhite:
17175 case IcsPlayingBlack:
17178 /* Skip if we know it isn't thinking */
17179 if (!cps->maybeThinking) return;
17180 if (appData.debugMode)
17181 fprintf(debugFP, "Interrupting %s\n", cps->which);
17182 InterruptChildProcess(cps->pr);
17183 cps->maybeThinking = FALSE;
17188 #endif /*ATTENTION*/
17194 if (whiteTimeRemaining <= 0) {
17197 if (appData.icsActive) {
17198 if (appData.autoCallFlag &&
17199 gameMode == IcsPlayingBlack && !blackFlag) {
17200 SendToICS(ics_prefix);
17201 SendToICS("flag\n");
17205 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17207 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17208 if (appData.autoCallFlag) {
17209 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17216 if (blackTimeRemaining <= 0) {
17219 if (appData.icsActive) {
17220 if (appData.autoCallFlag &&
17221 gameMode == IcsPlayingWhite && !whiteFlag) {
17222 SendToICS(ics_prefix);
17223 SendToICS("flag\n");
17227 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17229 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17230 if (appData.autoCallFlag) {
17231 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17242 CheckTimeControl ()
17244 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17245 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17248 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17250 if ( !WhiteOnMove(forwardMostMove) ) {
17251 /* White made time control */
17252 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17253 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17254 /* [HGM] time odds: correct new time quota for time odds! */
17255 / WhitePlayer()->timeOdds;
17256 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17258 lastBlack -= blackTimeRemaining;
17259 /* Black made time control */
17260 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17261 / WhitePlayer()->other->timeOdds;
17262 lastWhite = whiteTimeRemaining;
17267 DisplayBothClocks ()
17269 int wom = gameMode == EditPosition ?
17270 !blackPlaysFirst : WhiteOnMove(currentMove);
17271 DisplayWhiteClock(whiteTimeRemaining, wom);
17272 DisplayBlackClock(blackTimeRemaining, !wom);
17276 /* Timekeeping seems to be a portability nightmare. I think everyone
17277 has ftime(), but I'm really not sure, so I'm including some ifdefs
17278 to use other calls if you don't. Clocks will be less accurate if
17279 you have neither ftime nor gettimeofday.
17282 /* VS 2008 requires the #include outside of the function */
17283 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17284 #include <sys/timeb.h>
17287 /* Get the current time as a TimeMark */
17289 GetTimeMark (TimeMark *tm)
17291 #if HAVE_GETTIMEOFDAY
17293 struct timeval timeVal;
17294 struct timezone timeZone;
17296 gettimeofday(&timeVal, &timeZone);
17297 tm->sec = (long) timeVal.tv_sec;
17298 tm->ms = (int) (timeVal.tv_usec / 1000L);
17300 #else /*!HAVE_GETTIMEOFDAY*/
17303 // include <sys/timeb.h> / moved to just above start of function
17304 struct timeb timeB;
17307 tm->sec = (long) timeB.time;
17308 tm->ms = (int) timeB.millitm;
17310 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17311 tm->sec = (long) time(NULL);
17317 /* Return the difference in milliseconds between two
17318 time marks. We assume the difference will fit in a long!
17321 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17323 return 1000L*(tm2->sec - tm1->sec) +
17324 (long) (tm2->ms - tm1->ms);
17329 * Code to manage the game clocks.
17331 * In tournament play, black starts the clock and then white makes a move.
17332 * We give the human user a slight advantage if he is playing white---the
17333 * clocks don't run until he makes his first move, so it takes zero time.
17334 * Also, we don't account for network lag, so we could get out of sync
17335 * with GNU Chess's clock -- but then, referees are always right.
17338 static TimeMark tickStartTM;
17339 static long intendedTickLength;
17342 NextTickLength (long timeRemaining)
17344 long nominalTickLength, nextTickLength;
17346 if (timeRemaining > 0L && timeRemaining <= 10000L)
17347 nominalTickLength = 100L;
17349 nominalTickLength = 1000L;
17350 nextTickLength = timeRemaining % nominalTickLength;
17351 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17353 return nextTickLength;
17356 /* Adjust clock one minute up or down */
17358 AdjustClock (Boolean which, int dir)
17360 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17361 if(which) blackTimeRemaining += 60000*dir;
17362 else whiteTimeRemaining += 60000*dir;
17363 DisplayBothClocks();
17364 adjustedClock = TRUE;
17367 /* Stop clocks and reset to a fresh time control */
17371 (void) StopClockTimer();
17372 if (appData.icsActive) {
17373 whiteTimeRemaining = blackTimeRemaining = 0;
17374 } else if (searchTime) {
17375 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17376 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17377 } else { /* [HGM] correct new time quote for time odds */
17378 whiteTC = blackTC = fullTimeControlString;
17379 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17380 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17382 if (whiteFlag || blackFlag) {
17384 whiteFlag = blackFlag = FALSE;
17386 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17387 DisplayBothClocks();
17388 adjustedClock = FALSE;
17391 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17393 /* Decrement running clock by amount of time that has passed */
17397 long timeRemaining;
17398 long lastTickLength, fudge;
17401 if (!appData.clockMode) return;
17402 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17406 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17408 /* Fudge if we woke up a little too soon */
17409 fudge = intendedTickLength - lastTickLength;
17410 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17412 if (WhiteOnMove(forwardMostMove)) {
17413 if(whiteNPS >= 0) lastTickLength = 0;
17414 timeRemaining = whiteTimeRemaining -= lastTickLength;
17415 if(timeRemaining < 0 && !appData.icsActive) {
17416 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17417 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17418 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17419 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17422 DisplayWhiteClock(whiteTimeRemaining - fudge,
17423 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17425 if(blackNPS >= 0) lastTickLength = 0;
17426 timeRemaining = blackTimeRemaining -= lastTickLength;
17427 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17428 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17430 blackStartMove = forwardMostMove;
17431 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17434 DisplayBlackClock(blackTimeRemaining - fudge,
17435 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17437 if (CheckFlags()) return;
17439 if(twoBoards) { // count down secondary board's clocks as well
17440 activePartnerTime -= lastTickLength;
17442 if(activePartner == 'W')
17443 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17445 DisplayBlackClock(activePartnerTime, TRUE);
17450 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17451 StartClockTimer(intendedTickLength);
17453 /* if the time remaining has fallen below the alarm threshold, sound the
17454 * alarm. if the alarm has sounded and (due to a takeback or time control
17455 * with increment) the time remaining has increased to a level above the
17456 * threshold, reset the alarm so it can sound again.
17459 if (appData.icsActive && appData.icsAlarm) {
17461 /* make sure we are dealing with the user's clock */
17462 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17463 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17466 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17467 alarmSounded = FALSE;
17468 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17470 alarmSounded = TRUE;
17476 /* A player has just moved, so stop the previously running
17477 clock and (if in clock mode) start the other one.
17478 We redisplay both clocks in case we're in ICS mode, because
17479 ICS gives us an update to both clocks after every move.
17480 Note that this routine is called *after* forwardMostMove
17481 is updated, so the last fractional tick must be subtracted
17482 from the color that is *not* on move now.
17485 SwitchClocks (int newMoveNr)
17487 long lastTickLength;
17489 int flagged = FALSE;
17493 if (StopClockTimer() && appData.clockMode) {
17494 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17495 if (!WhiteOnMove(forwardMostMove)) {
17496 if(blackNPS >= 0) lastTickLength = 0;
17497 blackTimeRemaining -= lastTickLength;
17498 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17499 // if(pvInfoList[forwardMostMove].time == -1)
17500 pvInfoList[forwardMostMove].time = // use GUI time
17501 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17503 if(whiteNPS >= 0) lastTickLength = 0;
17504 whiteTimeRemaining -= lastTickLength;
17505 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17506 // if(pvInfoList[forwardMostMove].time == -1)
17507 pvInfoList[forwardMostMove].time =
17508 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17510 flagged = CheckFlags();
17512 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17513 CheckTimeControl();
17515 if (flagged || !appData.clockMode) return;
17517 switch (gameMode) {
17518 case MachinePlaysBlack:
17519 case MachinePlaysWhite:
17520 case BeginningOfGame:
17521 if (pausing) return;
17525 case PlayFromGameFile:
17533 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17534 if(WhiteOnMove(forwardMostMove))
17535 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17536 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17540 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17541 whiteTimeRemaining : blackTimeRemaining);
17542 StartClockTimer(intendedTickLength);
17546 /* Stop both clocks */
17550 long lastTickLength;
17553 if (!StopClockTimer()) return;
17554 if (!appData.clockMode) return;
17558 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17559 if (WhiteOnMove(forwardMostMove)) {
17560 if(whiteNPS >= 0) lastTickLength = 0;
17561 whiteTimeRemaining -= lastTickLength;
17562 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17564 if(blackNPS >= 0) lastTickLength = 0;
17565 blackTimeRemaining -= lastTickLength;
17566 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17571 /* Start clock of player on move. Time may have been reset, so
17572 if clock is already running, stop and restart it. */
17576 (void) StopClockTimer(); /* in case it was running already */
17577 DisplayBothClocks();
17578 if (CheckFlags()) return;
17580 if (!appData.clockMode) return;
17581 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17583 GetTimeMark(&tickStartTM);
17584 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17585 whiteTimeRemaining : blackTimeRemaining);
17587 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17588 whiteNPS = blackNPS = -1;
17589 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17590 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17591 whiteNPS = first.nps;
17592 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17593 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17594 blackNPS = first.nps;
17595 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17596 whiteNPS = second.nps;
17597 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17598 blackNPS = second.nps;
17599 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17601 StartClockTimer(intendedTickLength);
17605 TimeString (long ms)
17607 long second, minute, hour, day;
17609 static char buf[32];
17611 if (ms > 0 && ms <= 9900) {
17612 /* convert milliseconds to tenths, rounding up */
17613 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17615 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17619 /* convert milliseconds to seconds, rounding up */
17620 /* use floating point to avoid strangeness of integer division
17621 with negative dividends on many machines */
17622 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17629 day = second / (60 * 60 * 24);
17630 second = second % (60 * 60 * 24);
17631 hour = second / (60 * 60);
17632 second = second % (60 * 60);
17633 minute = second / 60;
17634 second = second % 60;
17637 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17638 sign, day, hour, minute, second);
17640 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17642 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17649 * This is necessary because some C libraries aren't ANSI C compliant yet.
17652 StrStr (char *string, char *match)
17656 length = strlen(match);
17658 for (i = strlen(string) - length; i >= 0; i--, string++)
17659 if (!strncmp(match, string, length))
17666 StrCaseStr (char *string, char *match)
17670 length = strlen(match);
17672 for (i = strlen(string) - length; i >= 0; i--, string++) {
17673 for (j = 0; j < length; j++) {
17674 if (ToLower(match[j]) != ToLower(string[j]))
17677 if (j == length) return string;
17685 StrCaseCmp (char *s1, char *s2)
17690 c1 = ToLower(*s1++);
17691 c2 = ToLower(*s2++);
17692 if (c1 > c2) return 1;
17693 if (c1 < c2) return -1;
17694 if (c1 == NULLCHAR) return 0;
17702 return isupper(c) ? tolower(c) : c;
17709 return islower(c) ? toupper(c) : c;
17711 #endif /* !_amigados */
17718 if ((ret = (char *) malloc(strlen(s) + 1)))
17720 safeStrCpy(ret, s, strlen(s)+1);
17726 StrSavePtr (char *s, char **savePtr)
17731 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17732 safeStrCpy(*savePtr, s, strlen(s)+1);
17744 clock = time((time_t *)NULL);
17745 tm = localtime(&clock);
17746 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17747 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17748 return StrSave(buf);
17753 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17755 int i, j, fromX, fromY, toX, toY;
17762 whiteToPlay = (gameMode == EditPosition) ?
17763 !blackPlaysFirst : (move % 2 == 0);
17766 /* Piece placement data */
17767 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17768 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17770 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17771 if (boards[move][i][j] == EmptySquare) {
17773 } else { ChessSquare piece = boards[move][i][j];
17774 if (emptycount > 0) {
17775 if(emptycount<10) /* [HGM] can be >= 10 */
17776 *p++ = '0' + emptycount;
17777 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17780 if(PieceToChar(piece) == '+') {
17781 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17783 piece = (ChessSquare)(CHUDEMOTED piece);
17785 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17787 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17788 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17793 if (emptycount > 0) {
17794 if(emptycount<10) /* [HGM] can be >= 10 */
17795 *p++ = '0' + emptycount;
17796 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17803 /* [HGM] print Crazyhouse or Shogi holdings */
17804 if( gameInfo.holdingsWidth ) {
17805 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17807 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17808 piece = boards[move][i][BOARD_WIDTH-1];
17809 if( piece != EmptySquare )
17810 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17811 *p++ = PieceToChar(piece);
17813 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17814 piece = boards[move][BOARD_HEIGHT-i-1][0];
17815 if( piece != EmptySquare )
17816 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17817 *p++ = PieceToChar(piece);
17820 if( q == p ) *p++ = '-';
17826 *p++ = whiteToPlay ? 'w' : 'b';
17829 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17830 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17832 if(nrCastlingRights) {
17833 int handW=0, handB=0;
17834 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
17835 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
17836 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17839 if(appData.fischerCastling) {
17840 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
17841 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17842 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17844 /* [HGM] write directly from rights */
17845 if(boards[move][CASTLING][2] != NoRights &&
17846 boards[move][CASTLING][0] != NoRights )
17847 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17848 if(boards[move][CASTLING][2] != NoRights &&
17849 boards[move][CASTLING][1] != NoRights )
17850 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17853 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
17854 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17856 if(boards[move][CASTLING][5] != NoRights &&
17857 boards[move][CASTLING][3] != NoRights )
17858 *p++ = boards[move][CASTLING][3] + AAA;
17859 if(boards[move][CASTLING][5] != NoRights &&
17860 boards[move][CASTLING][4] != NoRights )
17861 *p++ = boards[move][CASTLING][4] + AAA;
17865 /* [HGM] write true castling rights */
17866 if( nrCastlingRights == 6 ) {
17868 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17869 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17870 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17871 boards[move][CASTLING][2] != NoRights );
17872 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
17873 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17874 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17875 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17879 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17880 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17881 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17882 boards[move][CASTLING][5] != NoRights );
17884 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17885 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17886 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17891 if (q == p) *p++ = '-'; /* No castling rights */
17895 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17896 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17897 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17898 /* En passant target square */
17899 if (move > backwardMostMove) {
17900 fromX = moveList[move - 1][0] - AAA;
17901 fromY = moveList[move - 1][1] - ONE;
17902 toX = moveList[move - 1][2] - AAA;
17903 toY = moveList[move - 1][3] - ONE;
17904 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17905 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17906 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17908 /* 2-square pawn move just happened */
17910 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17914 } else if(move == backwardMostMove) {
17915 // [HGM] perhaps we should always do it like this, and forget the above?
17916 if((signed char)boards[move][EP_STATUS] >= 0) {
17917 *p++ = boards[move][EP_STATUS] + AAA;
17918 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17930 { int i = 0, j=move;
17932 /* [HGM] find reversible plies */
17933 if (appData.debugMode) { int k;
17934 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17935 for(k=backwardMostMove; k<=forwardMostMove; k++)
17936 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17940 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17941 if( j == backwardMostMove ) i += initialRulePlies;
17942 sprintf(p, "%d ", i);
17943 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17945 /* Fullmove number */
17946 sprintf(p, "%d", (move / 2) + 1);
17947 } else *--p = NULLCHAR;
17949 return StrSave(buf);
17953 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17955 int i, j, k, w=0, subst=0, shuffle=0;
17957 int emptycount, virgin[BOARD_FILES];
17962 /* Piece placement data */
17963 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17966 if (*p == '/' || *p == ' ' || *p == '[' ) {
17968 emptycount = gameInfo.boardWidth - j;
17969 while (emptycount--)
17970 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17971 if (*p == '/') p++;
17972 else if(autoSize) { // we stumbled unexpectedly into end of board
17973 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17974 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17976 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17979 #if(BOARD_FILES >= 10)*0
17980 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17981 p++; emptycount=10;
17982 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17983 while (emptycount--)
17984 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17986 } else if (*p == '*') {
17987 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17988 } else if (isdigit(*p)) {
17989 emptycount = *p++ - '0';
17990 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17991 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17992 while (emptycount--)
17993 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17994 } else if (*p == '<') {
17995 if(i == BOARD_HEIGHT-1) shuffle = 1;
17996 else if (i != 0 || !shuffle) return FALSE;
17998 } else if (shuffle && *p == '>') {
17999 p++; // for now ignore closing shuffle range, and assume rank-end
18000 } else if (*p == '?') {
18001 if (j >= gameInfo.boardWidth) return FALSE;
18002 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18003 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18004 } else if (*p == '+' || isalpha(*p)) {
18005 if (j >= gameInfo.boardWidth) return FALSE;
18007 piece = CharToPiece(*++p);
18008 if(piece == EmptySquare) return FALSE; /* unknown piece */
18009 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
18010 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18011 } else piece = CharToPiece(*p++);
18013 if(piece==EmptySquare) return FALSE; /* unknown piece */
18014 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18015 piece = (ChessSquare) (PROMOTED piece);
18016 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18019 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18025 while (*p == '/' || *p == ' ') p++;
18027 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
18029 /* [HGM] by default clear Crazyhouse holdings, if present */
18030 if(gameInfo.holdingsWidth) {
18031 for(i=0; i<BOARD_HEIGHT; i++) {
18032 board[i][0] = EmptySquare; /* black holdings */
18033 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18034 board[i][1] = (ChessSquare) 0; /* black counts */
18035 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18039 /* [HGM] look for Crazyhouse holdings here */
18040 while(*p==' ') p++;
18041 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18042 int swap=0, wcnt=0, bcnt=0;
18044 if(*p == '<') swap++, p++;
18045 if(*p == '-' ) p++; /* empty holdings */ else {
18046 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18047 /* if we would allow FEN reading to set board size, we would */
18048 /* have to add holdings and shift the board read so far here */
18049 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18051 if((int) piece >= (int) BlackPawn ) {
18052 i = (int)piece - (int)BlackPawn;
18053 i = PieceToNumber((ChessSquare)i);
18054 if( i >= gameInfo.holdingsSize ) return FALSE;
18055 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18056 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18059 i = (int)piece - (int)WhitePawn;
18060 i = PieceToNumber((ChessSquare)i);
18061 if( i >= gameInfo.holdingsSize ) return FALSE;
18062 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18063 board[i][BOARD_WIDTH-2]++; /* black holdings */
18067 if(subst) { // substitute back-rank question marks by holdings pieces
18068 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18069 int k, m, n = bcnt + 1;
18070 if(board[0][j] == ClearBoard) {
18071 if(!wcnt) return FALSE;
18073 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18074 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18075 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18079 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18080 if(!bcnt) return FALSE;
18081 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18082 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18083 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18084 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18095 if(subst) return FALSE; // substitution requested, but no holdings
18097 while(*p == ' ') p++;
18101 if(appData.colorNickNames) {
18102 if( c == appData.colorNickNames[0] ) c = 'w'; else
18103 if( c == appData.colorNickNames[1] ) c = 'b';
18107 *blackPlaysFirst = FALSE;
18110 *blackPlaysFirst = TRUE;
18116 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18117 /* return the extra info in global variiables */
18119 /* set defaults in case FEN is incomplete */
18120 board[EP_STATUS] = EP_UNKNOWN;
18121 for(i=0; i<nrCastlingRights; i++ ) {
18122 board[CASTLING][i] =
18123 appData.fischerCastling ? NoRights : initialRights[i];
18124 } /* assume possible unless obviously impossible */
18125 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18126 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18127 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18128 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18129 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18130 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18131 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18132 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18135 while(*p==' ') p++;
18136 if(nrCastlingRights) {
18138 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18139 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18140 /* castling indicator present, so default becomes no castlings */
18141 for(i=0; i<nrCastlingRights; i++ ) {
18142 board[CASTLING][i] = NoRights;
18145 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18146 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18147 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18148 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18149 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18151 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18152 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18153 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18155 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18156 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18157 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18158 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18159 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18160 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18163 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18164 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18165 board[CASTLING][2] = whiteKingFile;
18166 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18167 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18168 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18171 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18172 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18173 board[CASTLING][2] = whiteKingFile;
18174 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18175 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18176 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18179 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18180 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18181 board[CASTLING][5] = blackKingFile;
18182 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18183 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18184 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18187 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18188 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18189 board[CASTLING][5] = blackKingFile;
18190 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18191 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18192 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18195 default: /* FRC castlings */
18196 if(c >= 'a') { /* black rights */
18197 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18198 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18199 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18200 if(i == BOARD_RGHT) break;
18201 board[CASTLING][5] = i;
18203 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18204 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18206 board[CASTLING][3] = c;
18208 board[CASTLING][4] = c;
18209 } else { /* white rights */
18210 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18211 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18212 if(board[0][i] == WhiteKing) break;
18213 if(i == BOARD_RGHT) break;
18214 board[CASTLING][2] = i;
18215 c -= AAA - 'a' + 'A';
18216 if(board[0][c] >= WhiteKing) break;
18218 board[CASTLING][0] = c;
18220 board[CASTLING][1] = c;
18224 for(i=0; i<nrCastlingRights; i++)
18225 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18226 if(gameInfo.variant == VariantSChess)
18227 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18228 if(fischer && shuffle) appData.fischerCastling = TRUE;
18229 if (appData.debugMode) {
18230 fprintf(debugFP, "FEN castling rights:");
18231 for(i=0; i<nrCastlingRights; i++)
18232 fprintf(debugFP, " %d", board[CASTLING][i]);
18233 fprintf(debugFP, "\n");
18236 while(*p==' ') p++;
18239 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18241 /* read e.p. field in games that know e.p. capture */
18242 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18243 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18244 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18246 p++; board[EP_STATUS] = EP_NONE;
18248 char c = *p++ - AAA;
18250 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18251 if(*p >= '0' && *p <='9') p++;
18252 board[EP_STATUS] = c;
18257 if(sscanf(p, "%d", &i) == 1) {
18258 FENrulePlies = i; /* 50-move ply counter */
18259 /* (The move number is still ignored) */
18266 EditPositionPasteFEN (char *fen)
18269 Board initial_position;
18271 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18272 DisplayError(_("Bad FEN position in clipboard"), 0);
18275 int savedBlackPlaysFirst = blackPlaysFirst;
18276 EditPositionEvent();
18277 blackPlaysFirst = savedBlackPlaysFirst;
18278 CopyBoard(boards[0], initial_position);
18279 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18280 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18281 DisplayBothClocks();
18282 DrawPosition(FALSE, boards[currentMove]);
18287 static char cseq[12] = "\\ ";
18290 set_cont_sequence (char *new_seq)
18295 // handle bad attempts to set the sequence
18297 return 0; // acceptable error - no debug
18299 len = strlen(new_seq);
18300 ret = (len > 0) && (len < sizeof(cseq));
18302 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18303 else if (appData.debugMode)
18304 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18309 reformat a source message so words don't cross the width boundary. internal
18310 newlines are not removed. returns the wrapped size (no null character unless
18311 included in source message). If dest is NULL, only calculate the size required
18312 for the dest buffer. lp argument indicats line position upon entry, and it's
18313 passed back upon exit.
18316 wrap (char *dest, char *src, int count, int width, int *lp)
18318 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18320 cseq_len = strlen(cseq);
18321 old_line = line = *lp;
18322 ansi = len = clen = 0;
18324 for (i=0; i < count; i++)
18326 if (src[i] == '\033')
18329 // if we hit the width, back up
18330 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18332 // store i & len in case the word is too long
18333 old_i = i, old_len = len;
18335 // find the end of the last word
18336 while (i && src[i] != ' ' && src[i] != '\n')
18342 // word too long? restore i & len before splitting it
18343 if ((old_i-i+clen) >= width)
18350 if (i && src[i-1] == ' ')
18353 if (src[i] != ' ' && src[i] != '\n')
18360 // now append the newline and continuation sequence
18365 strncpy(dest+len, cseq, cseq_len);
18373 dest[len] = src[i];
18377 if (src[i] == '\n')
18382 if (dest && appData.debugMode)
18384 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18385 count, width, line, len, *lp);
18386 show_bytes(debugFP, src, count);
18387 fprintf(debugFP, "\ndest: ");
18388 show_bytes(debugFP, dest, len);
18389 fprintf(debugFP, "\n");
18391 *lp = dest ? line : old_line;
18396 // [HGM] vari: routines for shelving variations
18397 Boolean modeRestore = FALSE;
18400 PushInner (int firstMove, int lastMove)
18402 int i, j, nrMoves = lastMove - firstMove;
18404 // push current tail of game on stack
18405 savedResult[storedGames] = gameInfo.result;
18406 savedDetails[storedGames] = gameInfo.resultDetails;
18407 gameInfo.resultDetails = NULL;
18408 savedFirst[storedGames] = firstMove;
18409 savedLast [storedGames] = lastMove;
18410 savedFramePtr[storedGames] = framePtr;
18411 framePtr -= nrMoves; // reserve space for the boards
18412 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18413 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18414 for(j=0; j<MOVE_LEN; j++)
18415 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18416 for(j=0; j<2*MOVE_LEN; j++)
18417 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18418 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18419 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18420 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18421 pvInfoList[firstMove+i-1].depth = 0;
18422 commentList[framePtr+i] = commentList[firstMove+i];
18423 commentList[firstMove+i] = NULL;
18427 forwardMostMove = firstMove; // truncate game so we can start variation
18431 PushTail (int firstMove, int lastMove)
18433 if(appData.icsActive) { // only in local mode
18434 forwardMostMove = currentMove; // mimic old ICS behavior
18437 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18439 PushInner(firstMove, lastMove);
18440 if(storedGames == 1) GreyRevert(FALSE);
18441 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18445 PopInner (Boolean annotate)
18448 char buf[8000], moveBuf[20];
18450 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18451 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18452 nrMoves = savedLast[storedGames] - currentMove;
18455 if(!WhiteOnMove(currentMove))
18456 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18457 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18458 for(i=currentMove; i<forwardMostMove; i++) {
18460 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18461 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18462 strcat(buf, moveBuf);
18463 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18464 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18468 for(i=1; i<=nrMoves; i++) { // copy last variation back
18469 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18470 for(j=0; j<MOVE_LEN; j++)
18471 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18472 for(j=0; j<2*MOVE_LEN; j++)
18473 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18474 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18475 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18476 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18477 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18478 commentList[currentMove+i] = commentList[framePtr+i];
18479 commentList[framePtr+i] = NULL;
18481 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18482 framePtr = savedFramePtr[storedGames];
18483 gameInfo.result = savedResult[storedGames];
18484 if(gameInfo.resultDetails != NULL) {
18485 free(gameInfo.resultDetails);
18487 gameInfo.resultDetails = savedDetails[storedGames];
18488 forwardMostMove = currentMove + nrMoves;
18492 PopTail (Boolean annotate)
18494 if(appData.icsActive) return FALSE; // only in local mode
18495 if(!storedGames) return FALSE; // sanity
18496 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18498 PopInner(annotate);
18499 if(currentMove < forwardMostMove) ForwardEvent(); else
18500 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18502 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18508 { // remove all shelved variations
18510 for(i=0; i<storedGames; i++) {
18511 if(savedDetails[i])
18512 free(savedDetails[i]);
18513 savedDetails[i] = NULL;
18515 for(i=framePtr; i<MAX_MOVES; i++) {
18516 if(commentList[i]) free(commentList[i]);
18517 commentList[i] = NULL;
18519 framePtr = MAX_MOVES-1;
18524 LoadVariation (int index, char *text)
18525 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18526 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18527 int level = 0, move;
18529 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18530 // first find outermost bracketing variation
18531 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18532 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18533 if(*p == '{') wait = '}'; else
18534 if(*p == '[') wait = ']'; else
18535 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18536 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18538 if(*p == wait) wait = NULLCHAR; // closing ]} found
18541 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18542 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18543 end[1] = NULLCHAR; // clip off comment beyond variation
18544 ToNrEvent(currentMove-1);
18545 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18546 // kludge: use ParsePV() to append variation to game
18547 move = currentMove;
18548 ParsePV(start, TRUE, TRUE);
18549 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18550 ClearPremoveHighlights();
18552 ToNrEvent(currentMove+1);
18558 char *p, *q, buf[MSG_SIZ];
18559 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18560 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18561 ParseArgsFromString(buf);
18562 ActivateTheme(TRUE); // also redo colors
18566 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18569 q = appData.themeNames;
18570 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18571 if(appData.useBitmaps) {
18572 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18573 appData.liteBackTextureFile, appData.darkBackTextureFile,
18574 appData.liteBackTextureMode,
18575 appData.darkBackTextureMode );
18577 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18578 Col2Text(2), // lightSquareColor
18579 Col2Text(3) ); // darkSquareColor
18581 if(appData.useBorder) {
18582 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18585 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18587 if(appData.useFont) {
18588 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18589 appData.renderPiecesWithFont,
18590 appData.fontToPieceTable,
18591 Col2Text(9), // appData.fontBackColorWhite
18592 Col2Text(10) ); // appData.fontForeColorBlack
18594 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18595 appData.pieceDirectory);
18596 if(!appData.pieceDirectory[0])
18597 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18598 Col2Text(0), // whitePieceColor
18599 Col2Text(1) ); // blackPieceColor
18601 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18602 Col2Text(4), // highlightSquareColor
18603 Col2Text(5) ); // premoveHighlightColor
18604 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18605 if(insert != q) insert[-1] = NULLCHAR;
18606 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18609 ActivateTheme(FALSE);