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 static Boolean pieceDefs;
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 VariantXiangqi: /* [HGM] repetition rules not implemented */
1205 case VariantFairy: /* [HGM] TestLegality definitely off! */
1206 case VariantGothic: /* [HGM] should work */
1207 case VariantCapablanca: /* [HGM] should work */
1208 case VariantCourier: /* [HGM] initial forced moves not implemented */
1209 case VariantShogi: /* [HGM] could still mate with pawn drop */
1210 case VariantChu: /* [HGM] experimental */
1211 case VariantKnightmate: /* [HGM] should work */
1212 case VariantCylinder: /* [HGM] untested */
1213 case VariantFalcon: /* [HGM] untested */
1214 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1215 offboard interposition not understood */
1216 case VariantNormal: /* definitely works! */
1217 case VariantWildCastle: /* pieces not automatically shuffled */
1218 case VariantNoCastle: /* pieces not automatically shuffled */
1219 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1220 case VariantLosers: /* should work except for win condition,
1221 and doesn't know captures are mandatory */
1222 case VariantSuicide: /* should work except for win condition,
1223 and doesn't know captures are mandatory */
1224 case VariantGiveaway: /* should work except for win condition,
1225 and doesn't know captures are mandatory */
1226 case VariantTwoKings: /* should work */
1227 case VariantAtomic: /* should work except for win condition */
1228 case Variant3Check: /* should work except for win condition */
1229 case VariantShatranj: /* should work except for all win conditions */
1230 case VariantMakruk: /* should work except for draw countdown */
1231 case VariantASEAN : /* should work except for draw countdown */
1232 case VariantBerolina: /* might work if TestLegality is off */
1233 case VariantCapaRandom: /* should work */
1234 case VariantJanus: /* should work */
1235 case VariantSuper: /* experimental */
1236 case VariantGreat: /* experimental, requires legality testing to be off */
1237 case VariantSChess: /* S-Chess, should work */
1238 case VariantGrand: /* should work */
1239 case VariantSpartan: /* should work */
1240 case VariantLion: /* should work */
1241 case VariantChuChess: /* should work */
1249 NextIntegerFromString (char ** str, long * value)
1254 while( *s == ' ' || *s == '\t' ) {
1260 if( *s >= '0' && *s <= '9' ) {
1261 while( *s >= '0' && *s <= '9' ) {
1262 *value = *value * 10 + (*s - '0');
1275 NextTimeControlFromString (char ** str, long * value)
1278 int result = NextIntegerFromString( str, &temp );
1281 *value = temp * 60; /* Minutes */
1282 if( **str == ':' ) {
1284 result = NextIntegerFromString( str, &temp );
1285 *value += temp; /* Seconds */
1293 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1294 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1295 int result = -1, type = 0; long temp, temp2;
1297 if(**str != ':') return -1; // old params remain in force!
1299 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1300 if( NextIntegerFromString( str, &temp ) ) return -1;
1301 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1304 /* time only: incremental or sudden-death time control */
1305 if(**str == '+') { /* increment follows; read it */
1307 if(**str == '!') type = *(*str)++; // Bronstein TC
1308 if(result = NextIntegerFromString( str, &temp2)) return -1;
1309 *inc = temp2 * 1000;
1310 if(**str == '.') { // read fraction of increment
1311 char *start = ++(*str);
1312 if(result = NextIntegerFromString( str, &temp2)) return -1;
1314 while(start++ < *str) temp2 /= 10;
1318 *moves = 0; *tc = temp * 1000; *incType = type;
1322 (*str)++; /* classical time control */
1323 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1335 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1336 { /* [HGM] get time to add from the multi-session time-control string */
1337 int incType, moves=1; /* kludge to force reading of first session */
1338 long time, increment;
1341 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1343 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1344 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1345 if(movenr == -1) return time; /* last move before new session */
1346 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1347 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1348 if(!moves) return increment; /* current session is incremental */
1349 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1350 } while(movenr >= -1); /* try again for next session */
1352 return 0; // no new time quota on this move
1356 ParseTimeControl (char *tc, float ti, int mps)
1360 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1363 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1364 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1365 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1369 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1371 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1374 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1376 snprintf(buf, MSG_SIZ, ":%s", mytc);
1378 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1380 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1385 /* Parse second time control */
1388 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1396 timeControl_2 = tc2 * 1000;
1406 timeControl = tc1 * 1000;
1409 timeIncrement = ti * 1000; /* convert to ms */
1410 movesPerSession = 0;
1413 movesPerSession = mps;
1421 if (appData.debugMode) {
1422 # ifdef __GIT_VERSION
1423 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1425 fprintf(debugFP, "Version: %s\n", programVersion);
1428 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1430 set_cont_sequence(appData.wrapContSeq);
1431 if (appData.matchGames > 0) {
1432 appData.matchMode = TRUE;
1433 } else if (appData.matchMode) {
1434 appData.matchGames = 1;
1436 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1437 appData.matchGames = appData.sameColorGames;
1438 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1439 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1440 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1443 if (appData.noChessProgram || first.protocolVersion == 1) {
1446 /* kludge: allow timeout for initial "feature" commands */
1448 DisplayMessage("", _("Starting chess program"));
1449 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1454 CalculateIndex (int index, int gameNr)
1455 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1457 if(index > 0) return index; // fixed nmber
1458 if(index == 0) return 1;
1459 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1460 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1465 LoadGameOrPosition (int gameNr)
1466 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1467 if (*appData.loadGameFile != NULLCHAR) {
1468 if (!LoadGameFromFile(appData.loadGameFile,
1469 CalculateIndex(appData.loadGameIndex, gameNr),
1470 appData.loadGameFile, FALSE)) {
1471 DisplayFatalError(_("Bad game file"), 0, 1);
1474 } else if (*appData.loadPositionFile != NULLCHAR) {
1475 if (!LoadPositionFromFile(appData.loadPositionFile,
1476 CalculateIndex(appData.loadPositionIndex, gameNr),
1477 appData.loadPositionFile)) {
1478 DisplayFatalError(_("Bad position file"), 0, 1);
1486 ReserveGame (int gameNr, char resChar)
1488 FILE *tf = fopen(appData.tourneyFile, "r+");
1489 char *p, *q, c, buf[MSG_SIZ];
1490 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1491 safeStrCpy(buf, lastMsg, MSG_SIZ);
1492 DisplayMessage(_("Pick new game"), "");
1493 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1494 ParseArgsFromFile(tf);
1495 p = q = appData.results;
1496 if(appData.debugMode) {
1497 char *r = appData.participants;
1498 fprintf(debugFP, "results = '%s'\n", p);
1499 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1500 fprintf(debugFP, "\n");
1502 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1504 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1505 safeStrCpy(q, p, strlen(p) + 2);
1506 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1507 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1508 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1509 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1512 fseek(tf, -(strlen(p)+4), SEEK_END);
1514 if(c != '"') // depending on DOS or Unix line endings we can be one off
1515 fseek(tf, -(strlen(p)+2), SEEK_END);
1516 else fseek(tf, -(strlen(p)+3), SEEK_END);
1517 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1518 DisplayMessage(buf, "");
1519 free(p); appData.results = q;
1520 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1521 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1522 int round = appData.defaultMatchGames * appData.tourneyType;
1523 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1524 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1525 UnloadEngine(&first); // next game belongs to other pairing;
1526 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1528 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1532 MatchEvent (int mode)
1533 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1535 if(matchMode) { // already in match mode: switch it off
1537 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1540 // if(gameMode != BeginningOfGame) {
1541 // DisplayError(_("You can only start a match from the initial position."), 0);
1545 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1546 /* Set up machine vs. machine match */
1548 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1549 if(appData.tourneyFile[0]) {
1551 if(nextGame > appData.matchGames) {
1553 if(strchr(appData.results, '*') == NULL) {
1555 appData.tourneyCycles++;
1556 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1558 NextTourneyGame(-1, &dummy);
1560 if(nextGame <= appData.matchGames) {
1561 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1563 ScheduleDelayedEvent(NextMatchGame, 10000);
1568 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1569 DisplayError(buf, 0);
1570 appData.tourneyFile[0] = 0;
1574 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1575 DisplayFatalError(_("Can't have a match with no chess programs"),
1580 matchGame = roundNr = 1;
1581 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1585 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1588 InitBackEnd3 P((void))
1590 GameMode initialMode;
1594 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1595 !strcmp(appData.variant, "normal") && // no explicit variant request
1596 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1597 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1598 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1599 char c, *q = first.variants, *p = strchr(q, ',');
1600 if(p) *p = NULLCHAR;
1601 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1603 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1604 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1605 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1606 Reset(TRUE, FALSE); // and re-initialize
1611 InitChessProgram(&first, startedFromSetupPosition);
1613 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1614 free(programVersion);
1615 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1616 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1617 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1620 if (appData.icsActive) {
1622 /* [DM] Make a console window if needed [HGM] merged ifs */
1628 if (*appData.icsCommPort != NULLCHAR)
1629 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1630 appData.icsCommPort);
1632 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1633 appData.icsHost, appData.icsPort);
1635 if( (len >= MSG_SIZ) && appData.debugMode )
1636 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1638 DisplayFatalError(buf, err, 1);
1643 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1645 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1646 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1647 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1648 } else if (appData.noChessProgram) {
1654 if (*appData.cmailGameName != NULLCHAR) {
1656 OpenLoopback(&cmailPR);
1658 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1662 DisplayMessage("", "");
1663 if (StrCaseCmp(appData.initialMode, "") == 0) {
1664 initialMode = BeginningOfGame;
1665 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1666 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1667 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1668 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1671 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1672 initialMode = TwoMachinesPlay;
1673 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1674 initialMode = AnalyzeFile;
1675 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1676 initialMode = AnalyzeMode;
1677 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1678 initialMode = MachinePlaysWhite;
1679 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1680 initialMode = MachinePlaysBlack;
1681 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1682 initialMode = EditGame;
1683 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1684 initialMode = EditPosition;
1685 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1686 initialMode = Training;
1688 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1689 if( (len >= MSG_SIZ) && appData.debugMode )
1690 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1692 DisplayFatalError(buf, 0, 2);
1696 if (appData.matchMode) {
1697 if(appData.tourneyFile[0]) { // start tourney from command line
1699 if(f = fopen(appData.tourneyFile, "r")) {
1700 ParseArgsFromFile(f); // make sure tourney parmeters re known
1702 appData.clockMode = TRUE;
1704 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1707 } else if (*appData.cmailGameName != NULLCHAR) {
1708 /* Set up cmail mode */
1709 ReloadCmailMsgEvent(TRUE);
1711 /* Set up other modes */
1712 if (initialMode == AnalyzeFile) {
1713 if (*appData.loadGameFile == NULLCHAR) {
1714 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1718 if (*appData.loadGameFile != NULLCHAR) {
1719 (void) LoadGameFromFile(appData.loadGameFile,
1720 appData.loadGameIndex,
1721 appData.loadGameFile, TRUE);
1722 } else if (*appData.loadPositionFile != NULLCHAR) {
1723 (void) LoadPositionFromFile(appData.loadPositionFile,
1724 appData.loadPositionIndex,
1725 appData.loadPositionFile);
1726 /* [HGM] try to make self-starting even after FEN load */
1727 /* to allow automatic setup of fairy variants with wtm */
1728 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1729 gameMode = BeginningOfGame;
1730 setboardSpoiledMachineBlack = 1;
1732 /* [HGM] loadPos: make that every new game uses the setup */
1733 /* from file as long as we do not switch variant */
1734 if(!blackPlaysFirst) {
1735 startedFromPositionFile = TRUE;
1736 CopyBoard(filePosition, boards[0]);
1739 if (initialMode == AnalyzeMode) {
1740 if (appData.noChessProgram) {
1741 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1744 if (appData.icsActive) {
1745 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1749 } else if (initialMode == AnalyzeFile) {
1750 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1751 ShowThinkingEvent();
1753 AnalysisPeriodicEvent(1);
1754 } else if (initialMode == MachinePlaysWhite) {
1755 if (appData.noChessProgram) {
1756 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1765 MachineWhiteEvent();
1766 } else if (initialMode == MachinePlaysBlack) {
1767 if (appData.noChessProgram) {
1768 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1772 if (appData.icsActive) {
1773 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1777 MachineBlackEvent();
1778 } else if (initialMode == TwoMachinesPlay) {
1779 if (appData.noChessProgram) {
1780 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1784 if (appData.icsActive) {
1785 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1790 } else if (initialMode == EditGame) {
1792 } else if (initialMode == EditPosition) {
1793 EditPositionEvent();
1794 } else if (initialMode == Training) {
1795 if (*appData.loadGameFile == NULLCHAR) {
1796 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1805 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1807 DisplayBook(current+1);
1809 MoveHistorySet( movelist, first, last, current, pvInfoList );
1811 EvalGraphSet( first, last, current, pvInfoList );
1813 MakeEngineOutputTitle();
1817 * Establish will establish a contact to a remote host.port.
1818 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1819 * used to talk to the host.
1820 * Returns 0 if okay, error code if not.
1827 if (*appData.icsCommPort != NULLCHAR) {
1828 /* Talk to the host through a serial comm port */
1829 return OpenCommPort(appData.icsCommPort, &icsPR);
1831 } else if (*appData.gateway != NULLCHAR) {
1832 if (*appData.remoteShell == NULLCHAR) {
1833 /* Use the rcmd protocol to run telnet program on a gateway host */
1834 snprintf(buf, sizeof(buf), "%s %s %s",
1835 appData.telnetProgram, appData.icsHost, appData.icsPort);
1836 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1839 /* Use the rsh program to run telnet program on a gateway host */
1840 if (*appData.remoteUser == NULLCHAR) {
1841 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1842 appData.gateway, appData.telnetProgram,
1843 appData.icsHost, appData.icsPort);
1845 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1846 appData.remoteShell, appData.gateway,
1847 appData.remoteUser, appData.telnetProgram,
1848 appData.icsHost, appData.icsPort);
1850 return StartChildProcess(buf, "", &icsPR);
1853 } else if (appData.useTelnet) {
1854 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1857 /* TCP socket interface differs somewhat between
1858 Unix and NT; handle details in the front end.
1860 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1865 EscapeExpand (char *p, char *q)
1866 { // [HGM] initstring: routine to shape up string arguments
1867 while(*p++ = *q++) if(p[-1] == '\\')
1869 case 'n': p[-1] = '\n'; break;
1870 case 'r': p[-1] = '\r'; break;
1871 case 't': p[-1] = '\t'; break;
1872 case '\\': p[-1] = '\\'; break;
1873 case 0: *p = 0; return;
1874 default: p[-1] = q[-1]; break;
1879 show_bytes (FILE *fp, char *buf, int count)
1882 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1883 fprintf(fp, "\\%03o", *buf & 0xff);
1892 /* Returns an errno value */
1894 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1896 char buf[8192], *p, *q, *buflim;
1897 int left, newcount, outcount;
1899 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1900 *appData.gateway != NULLCHAR) {
1901 if (appData.debugMode) {
1902 fprintf(debugFP, ">ICS: ");
1903 show_bytes(debugFP, message, count);
1904 fprintf(debugFP, "\n");
1906 return OutputToProcess(pr, message, count, outError);
1909 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1916 if (appData.debugMode) {
1917 fprintf(debugFP, ">ICS: ");
1918 show_bytes(debugFP, buf, newcount);
1919 fprintf(debugFP, "\n");
1921 outcount = OutputToProcess(pr, buf, newcount, outError);
1922 if (outcount < newcount) return -1; /* to be sure */
1929 } else if (((unsigned char) *p) == TN_IAC) {
1930 *q++ = (char) TN_IAC;
1937 if (appData.debugMode) {
1938 fprintf(debugFP, ">ICS: ");
1939 show_bytes(debugFP, buf, newcount);
1940 fprintf(debugFP, "\n");
1942 outcount = OutputToProcess(pr, buf, newcount, outError);
1943 if (outcount < newcount) return -1; /* to be sure */
1948 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1950 int outError, outCount;
1951 static int gotEof = 0;
1954 /* Pass data read from player on to ICS */
1957 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1958 if (outCount < count) {
1959 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1961 if(have_sent_ICS_logon == 2) {
1962 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1963 fprintf(ini, "%s", message);
1964 have_sent_ICS_logon = 3;
1966 have_sent_ICS_logon = 1;
1967 } else if(have_sent_ICS_logon == 3) {
1968 fprintf(ini, "%s", message);
1970 have_sent_ICS_logon = 1;
1972 } else if (count < 0) {
1973 RemoveInputSource(isr);
1974 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1975 } else if (gotEof++ > 0) {
1976 RemoveInputSource(isr);
1977 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1983 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1984 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1985 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1986 SendToICS("date\n");
1987 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1990 /* added routine for printf style output to ics */
1992 ics_printf (char *format, ...)
1994 char buffer[MSG_SIZ];
1997 va_start(args, format);
1998 vsnprintf(buffer, sizeof(buffer), format, args);
1999 buffer[sizeof(buffer)-1] = '\0';
2007 int count, outCount, outError;
2009 if (icsPR == NoProc) return;
2012 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2013 if (outCount < count) {
2014 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2018 /* This is used for sending logon scripts to the ICS. Sending
2019 without a delay causes problems when using timestamp on ICC
2020 (at least on my machine). */
2022 SendToICSDelayed (char *s, long msdelay)
2024 int count, outCount, outError;
2026 if (icsPR == NoProc) return;
2029 if (appData.debugMode) {
2030 fprintf(debugFP, ">ICS: ");
2031 show_bytes(debugFP, s, count);
2032 fprintf(debugFP, "\n");
2034 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2036 if (outCount < count) {
2037 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2042 /* Remove all highlighting escape sequences in s
2043 Also deletes any suffix starting with '('
2046 StripHighlightAndTitle (char *s)
2048 static char retbuf[MSG_SIZ];
2051 while (*s != NULLCHAR) {
2052 while (*s == '\033') {
2053 while (*s != NULLCHAR && !isalpha(*s)) s++;
2054 if (*s != NULLCHAR) s++;
2056 while (*s != NULLCHAR && *s != '\033') {
2057 if (*s == '(' || *s == '[') {
2068 /* Remove all highlighting escape sequences in s */
2070 StripHighlight (char *s)
2072 static char retbuf[MSG_SIZ];
2075 while (*s != NULLCHAR) {
2076 while (*s == '\033') {
2077 while (*s != NULLCHAR && !isalpha(*s)) s++;
2078 if (*s != NULLCHAR) s++;
2080 while (*s != NULLCHAR && *s != '\033') {
2088 char engineVariant[MSG_SIZ];
2089 char *variantNames[] = VARIANT_NAMES;
2091 VariantName (VariantClass v)
2093 if(v == VariantUnknown || *engineVariant) return engineVariant;
2094 return variantNames[v];
2098 /* Identify a variant from the strings the chess servers use or the
2099 PGN Variant tag names we use. */
2101 StringToVariant (char *e)
2105 VariantClass v = VariantNormal;
2106 int i, found = FALSE;
2112 /* [HGM] skip over optional board-size prefixes */
2113 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2114 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2115 while( *e++ != '_');
2118 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2122 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2123 if (p = StrCaseStr(e, variantNames[i])) {
2124 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2125 v = (VariantClass) i;
2132 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2133 || StrCaseStr(e, "wild/fr")
2134 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2135 v = VariantFischeRandom;
2136 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2137 (i = 1, p = StrCaseStr(e, "w"))) {
2139 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2146 case 0: /* FICS only, actually */
2148 /* Castling legal even if K starts on d-file */
2149 v = VariantWildCastle;
2154 /* Castling illegal even if K & R happen to start in
2155 normal positions. */
2156 v = VariantNoCastle;
2169 /* Castling legal iff K & R start in normal positions */
2175 /* Special wilds for position setup; unclear what to do here */
2176 v = VariantLoadable;
2179 /* Bizarre ICC game */
2180 v = VariantTwoKings;
2183 v = VariantKriegspiel;
2189 v = VariantFischeRandom;
2192 v = VariantCrazyhouse;
2195 v = VariantBughouse;
2201 /* Not quite the same as FICS suicide! */
2202 v = VariantGiveaway;
2208 v = VariantShatranj;
2211 /* Temporary names for future ICC types. The name *will* change in
2212 the next xboard/WinBoard release after ICC defines it. */
2250 v = VariantCapablanca;
2253 v = VariantKnightmate;
2259 v = VariantCylinder;
2265 v = VariantCapaRandom;
2268 v = VariantBerolina;
2280 /* Found "wild" or "w" in the string but no number;
2281 must assume it's normal chess. */
2285 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2286 if( (len >= MSG_SIZ) && appData.debugMode )
2287 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2289 DisplayError(buf, 0);
2295 if (appData.debugMode) {
2296 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2297 e, wnum, VariantName(v));
2302 static int leftover_start = 0, leftover_len = 0;
2303 char star_match[STAR_MATCH_N][MSG_SIZ];
2305 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2306 advance *index beyond it, and set leftover_start to the new value of
2307 *index; else return FALSE. If pattern contains the character '*', it
2308 matches any sequence of characters not containing '\r', '\n', or the
2309 character following the '*' (if any), and the matched sequence(s) are
2310 copied into star_match.
2313 looking_at ( char *buf, int *index, char *pattern)
2315 char *bufp = &buf[*index], *patternp = pattern;
2317 char *matchp = star_match[0];
2320 if (*patternp == NULLCHAR) {
2321 *index = leftover_start = bufp - buf;
2325 if (*bufp == NULLCHAR) return FALSE;
2326 if (*patternp == '*') {
2327 if (*bufp == *(patternp + 1)) {
2329 matchp = star_match[++star_count];
2333 } else if (*bufp == '\n' || *bufp == '\r') {
2335 if (*patternp == NULLCHAR)
2340 *matchp++ = *bufp++;
2344 if (*patternp != *bufp) return FALSE;
2351 SendToPlayer (char *data, int length)
2353 int error, outCount;
2354 outCount = OutputToProcess(NoProc, data, length, &error);
2355 if (outCount < length) {
2356 DisplayFatalError(_("Error writing to display"), error, 1);
2361 PackHolding (char packed[], char *holding)
2371 switch (runlength) {
2382 sprintf(q, "%d", runlength);
2394 /* Telnet protocol requests from the front end */
2396 TelnetRequest (unsigned char ddww, unsigned char option)
2398 unsigned char msg[3];
2399 int outCount, outError;
2401 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2403 if (appData.debugMode) {
2404 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2420 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2429 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2432 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2437 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2439 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2446 if (!appData.icsActive) return;
2447 TelnetRequest(TN_DO, TN_ECHO);
2453 if (!appData.icsActive) return;
2454 TelnetRequest(TN_DONT, TN_ECHO);
2458 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2460 /* put the holdings sent to us by the server on the board holdings area */
2461 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2465 if(gameInfo.holdingsWidth < 2) return;
2466 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2467 return; // prevent overwriting by pre-board holdings
2469 if( (int)lowestPiece >= BlackPawn ) {
2472 holdingsStartRow = BOARD_HEIGHT-1;
2475 holdingsColumn = BOARD_WIDTH-1;
2476 countsColumn = BOARD_WIDTH-2;
2477 holdingsStartRow = 0;
2481 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2482 board[i][holdingsColumn] = EmptySquare;
2483 board[i][countsColumn] = (ChessSquare) 0;
2485 while( (p=*holdings++) != NULLCHAR ) {
2486 piece = CharToPiece( ToUpper(p) );
2487 if(piece == EmptySquare) continue;
2488 /*j = (int) piece - (int) WhitePawn;*/
2489 j = PieceToNumber(piece);
2490 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2491 if(j < 0) continue; /* should not happen */
2492 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2493 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2494 board[holdingsStartRow+j*direction][countsColumn]++;
2500 VariantSwitch (Board board, VariantClass newVariant)
2502 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2503 static Board oldBoard;
2505 startedFromPositionFile = FALSE;
2506 if(gameInfo.variant == newVariant) return;
2508 /* [HGM] This routine is called each time an assignment is made to
2509 * gameInfo.variant during a game, to make sure the board sizes
2510 * are set to match the new variant. If that means adding or deleting
2511 * holdings, we shift the playing board accordingly
2512 * This kludge is needed because in ICS observe mode, we get boards
2513 * of an ongoing game without knowing the variant, and learn about the
2514 * latter only later. This can be because of the move list we requested,
2515 * in which case the game history is refilled from the beginning anyway,
2516 * but also when receiving holdings of a crazyhouse game. In the latter
2517 * case we want to add those holdings to the already received position.
2521 if (appData.debugMode) {
2522 fprintf(debugFP, "Switch board from %s to %s\n",
2523 VariantName(gameInfo.variant), VariantName(newVariant));
2524 setbuf(debugFP, NULL);
2526 shuffleOpenings = 0; /* [HGM] shuffle */
2527 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2531 newWidth = 9; newHeight = 9;
2532 gameInfo.holdingsSize = 7;
2533 case VariantBughouse:
2534 case VariantCrazyhouse:
2535 newHoldingsWidth = 2; break;
2539 newHoldingsWidth = 2;
2540 gameInfo.holdingsSize = 8;
2543 case VariantCapablanca:
2544 case VariantCapaRandom:
2547 newHoldingsWidth = gameInfo.holdingsSize = 0;
2550 if(newWidth != gameInfo.boardWidth ||
2551 newHeight != gameInfo.boardHeight ||
2552 newHoldingsWidth != gameInfo.holdingsWidth ) {
2554 /* shift position to new playing area, if needed */
2555 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2556 for(i=0; i<BOARD_HEIGHT; i++)
2557 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2558 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2560 for(i=0; i<newHeight; i++) {
2561 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2562 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2564 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2565 for(i=0; i<BOARD_HEIGHT; i++)
2566 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2567 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2570 board[HOLDINGS_SET] = 0;
2571 gameInfo.boardWidth = newWidth;
2572 gameInfo.boardHeight = newHeight;
2573 gameInfo.holdingsWidth = newHoldingsWidth;
2574 gameInfo.variant = newVariant;
2575 InitDrawingSizes(-2, 0);
2576 } else gameInfo.variant = newVariant;
2577 CopyBoard(oldBoard, board); // remember correctly formatted board
2578 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2579 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2582 static int loggedOn = FALSE;
2584 /*-- Game start info cache: --*/
2586 char gs_kind[MSG_SIZ];
2587 static char player1Name[128] = "";
2588 static char player2Name[128] = "";
2589 static char cont_seq[] = "\n\\ ";
2590 static int player1Rating = -1;
2591 static int player2Rating = -1;
2592 /*----------------------------*/
2594 ColorClass curColor = ColorNormal;
2595 int suppressKibitz = 0;
2598 Boolean soughtPending = FALSE;
2599 Boolean seekGraphUp;
2600 #define MAX_SEEK_ADS 200
2602 char *seekAdList[MAX_SEEK_ADS];
2603 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2604 float tcList[MAX_SEEK_ADS];
2605 char colorList[MAX_SEEK_ADS];
2606 int nrOfSeekAds = 0;
2607 int minRating = 1010, maxRating = 2800;
2608 int hMargin = 10, vMargin = 20, h, w;
2609 extern int squareSize, lineGap;
2614 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2615 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2616 if(r < minRating+100 && r >=0 ) r = minRating+100;
2617 if(r > maxRating) r = maxRating;
2618 if(tc < 1.f) tc = 1.f;
2619 if(tc > 95.f) tc = 95.f;
2620 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2621 y = ((double)r - minRating)/(maxRating - minRating)
2622 * (h-vMargin-squareSize/8-1) + vMargin;
2623 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2624 if(strstr(seekAdList[i], " u ")) color = 1;
2625 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2626 !strstr(seekAdList[i], "bullet") &&
2627 !strstr(seekAdList[i], "blitz") &&
2628 !strstr(seekAdList[i], "standard") ) color = 2;
2629 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2630 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2634 PlotSingleSeekAd (int i)
2640 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2642 char buf[MSG_SIZ], *ext = "";
2643 VariantClass v = StringToVariant(type);
2644 if(strstr(type, "wild")) {
2645 ext = type + 4; // append wild number
2646 if(v == VariantFischeRandom) type = "chess960"; else
2647 if(v == VariantLoadable) type = "setup"; else
2648 type = VariantName(v);
2650 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2651 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2652 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2653 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2654 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2655 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2656 seekNrList[nrOfSeekAds] = nr;
2657 zList[nrOfSeekAds] = 0;
2658 seekAdList[nrOfSeekAds++] = StrSave(buf);
2659 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2664 EraseSeekDot (int i)
2666 int x = xList[i], y = yList[i], d=squareSize/4, k;
2667 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2668 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2669 // now replot every dot that overlapped
2670 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2671 int xx = xList[k], yy = yList[k];
2672 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2673 DrawSeekDot(xx, yy, colorList[k]);
2678 RemoveSeekAd (int nr)
2681 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2683 if(seekAdList[i]) free(seekAdList[i]);
2684 seekAdList[i] = seekAdList[--nrOfSeekAds];
2685 seekNrList[i] = seekNrList[nrOfSeekAds];
2686 ratingList[i] = ratingList[nrOfSeekAds];
2687 colorList[i] = colorList[nrOfSeekAds];
2688 tcList[i] = tcList[nrOfSeekAds];
2689 xList[i] = xList[nrOfSeekAds];
2690 yList[i] = yList[nrOfSeekAds];
2691 zList[i] = zList[nrOfSeekAds];
2692 seekAdList[nrOfSeekAds] = NULL;
2698 MatchSoughtLine (char *line)
2700 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2701 int nr, base, inc, u=0; char dummy;
2703 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2704 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2706 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2707 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2708 // match: compact and save the line
2709 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2719 if(!seekGraphUp) return FALSE;
2720 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2721 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2723 DrawSeekBackground(0, 0, w, h);
2724 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2725 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2726 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2727 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2729 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2732 snprintf(buf, MSG_SIZ, "%d", i);
2733 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2736 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2737 for(i=1; i<100; i+=(i<10?1:5)) {
2738 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2739 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2740 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2742 snprintf(buf, MSG_SIZ, "%d", i);
2743 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2746 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2751 SeekGraphClick (ClickType click, int x, int y, int moving)
2753 static int lastDown = 0, displayed = 0, lastSecond;
2754 if(y < 0) return FALSE;
2755 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2756 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2757 if(!seekGraphUp) return FALSE;
2758 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2759 DrawPosition(TRUE, NULL);
2762 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2763 if(click == Release || moving) return FALSE;
2765 soughtPending = TRUE;
2766 SendToICS(ics_prefix);
2767 SendToICS("sought\n"); // should this be "sought all"?
2768 } else { // issue challenge based on clicked ad
2769 int dist = 10000; int i, closest = 0, second = 0;
2770 for(i=0; i<nrOfSeekAds; i++) {
2771 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2772 if(d < dist) { dist = d; closest = i; }
2773 second += (d - zList[i] < 120); // count in-range ads
2774 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2778 second = (second > 1);
2779 if(displayed != closest || second != lastSecond) {
2780 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2781 lastSecond = second; displayed = closest;
2783 if(click == Press) {
2784 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2787 } // on press 'hit', only show info
2788 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2789 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2790 SendToICS(ics_prefix);
2792 return TRUE; // let incoming board of started game pop down the graph
2793 } else if(click == Release) { // release 'miss' is ignored
2794 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2795 if(moving == 2) { // right up-click
2796 nrOfSeekAds = 0; // refresh graph
2797 soughtPending = TRUE;
2798 SendToICS(ics_prefix);
2799 SendToICS("sought\n"); // should this be "sought all"?
2802 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2803 // press miss or release hit 'pop down' seek graph
2804 seekGraphUp = FALSE;
2805 DrawPosition(TRUE, NULL);
2811 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2813 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2814 #define STARTED_NONE 0
2815 #define STARTED_MOVES 1
2816 #define STARTED_BOARD 2
2817 #define STARTED_OBSERVE 3
2818 #define STARTED_HOLDINGS 4
2819 #define STARTED_CHATTER 5
2820 #define STARTED_COMMENT 6
2821 #define STARTED_MOVES_NOHIDE 7
2823 static int started = STARTED_NONE;
2824 static char parse[20000];
2825 static int parse_pos = 0;
2826 static char buf[BUF_SIZE + 1];
2827 static int firstTime = TRUE, intfSet = FALSE;
2828 static ColorClass prevColor = ColorNormal;
2829 static int savingComment = FALSE;
2830 static int cmatch = 0; // continuation sequence match
2837 int backup; /* [DM] For zippy color lines */
2839 char talker[MSG_SIZ]; // [HGM] chat
2840 int channel, collective=0;
2842 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2844 if (appData.debugMode) {
2846 fprintf(debugFP, "<ICS: ");
2847 show_bytes(debugFP, data, count);
2848 fprintf(debugFP, "\n");
2852 if (appData.debugMode) { int f = forwardMostMove;
2853 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2854 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2855 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2858 /* If last read ended with a partial line that we couldn't parse,
2859 prepend it to the new read and try again. */
2860 if (leftover_len > 0) {
2861 for (i=0; i<leftover_len; i++)
2862 buf[i] = buf[leftover_start + i];
2865 /* copy new characters into the buffer */
2866 bp = buf + leftover_len;
2867 buf_len=leftover_len;
2868 for (i=0; i<count; i++)
2871 if (data[i] == '\r')
2874 // join lines split by ICS?
2875 if (!appData.noJoin)
2878 Joining just consists of finding matches against the
2879 continuation sequence, and discarding that sequence
2880 if found instead of copying it. So, until a match
2881 fails, there's nothing to do since it might be the
2882 complete sequence, and thus, something we don't want
2885 if (data[i] == cont_seq[cmatch])
2888 if (cmatch == strlen(cont_seq))
2890 cmatch = 0; // complete match. just reset the counter
2893 it's possible for the ICS to not include the space
2894 at the end of the last word, making our [correct]
2895 join operation fuse two separate words. the server
2896 does this when the space occurs at the width setting.
2898 if (!buf_len || buf[buf_len-1] != ' ')
2909 match failed, so we have to copy what matched before
2910 falling through and copying this character. In reality,
2911 this will only ever be just the newline character, but
2912 it doesn't hurt to be precise.
2914 strncpy(bp, cont_seq, cmatch);
2926 buf[buf_len] = NULLCHAR;
2927 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2932 while (i < buf_len) {
2933 /* Deal with part of the TELNET option negotiation
2934 protocol. We refuse to do anything beyond the
2935 defaults, except that we allow the WILL ECHO option,
2936 which ICS uses to turn off password echoing when we are
2937 directly connected to it. We reject this option
2938 if localLineEditing mode is on (always on in xboard)
2939 and we are talking to port 23, which might be a real
2940 telnet server that will try to keep WILL ECHO on permanently.
2942 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2943 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2944 unsigned char option;
2946 switch ((unsigned char) buf[++i]) {
2948 if (appData.debugMode)
2949 fprintf(debugFP, "\n<WILL ");
2950 switch (option = (unsigned char) buf[++i]) {
2952 if (appData.debugMode)
2953 fprintf(debugFP, "ECHO ");
2954 /* Reply only if this is a change, according
2955 to the protocol rules. */
2956 if (remoteEchoOption) break;
2957 if (appData.localLineEditing &&
2958 atoi(appData.icsPort) == TN_PORT) {
2959 TelnetRequest(TN_DONT, TN_ECHO);
2962 TelnetRequest(TN_DO, TN_ECHO);
2963 remoteEchoOption = TRUE;
2967 if (appData.debugMode)
2968 fprintf(debugFP, "%d ", option);
2969 /* Whatever this is, we don't want it. */
2970 TelnetRequest(TN_DONT, option);
2975 if (appData.debugMode)
2976 fprintf(debugFP, "\n<WONT ");
2977 switch (option = (unsigned char) buf[++i]) {
2979 if (appData.debugMode)
2980 fprintf(debugFP, "ECHO ");
2981 /* Reply only if this is a change, according
2982 to the protocol rules. */
2983 if (!remoteEchoOption) break;
2985 TelnetRequest(TN_DONT, TN_ECHO);
2986 remoteEchoOption = FALSE;
2989 if (appData.debugMode)
2990 fprintf(debugFP, "%d ", (unsigned char) option);
2991 /* Whatever this is, it must already be turned
2992 off, because we never agree to turn on
2993 anything non-default, so according to the
2994 protocol rules, we don't reply. */
2999 if (appData.debugMode)
3000 fprintf(debugFP, "\n<DO ");
3001 switch (option = (unsigned char) buf[++i]) {
3003 /* Whatever this is, we refuse to do it. */
3004 if (appData.debugMode)
3005 fprintf(debugFP, "%d ", option);
3006 TelnetRequest(TN_WONT, option);
3011 if (appData.debugMode)
3012 fprintf(debugFP, "\n<DONT ");
3013 switch (option = (unsigned char) buf[++i]) {
3015 if (appData.debugMode)
3016 fprintf(debugFP, "%d ", option);
3017 /* Whatever this is, we are already not doing
3018 it, because we never agree to do anything
3019 non-default, so according to the protocol
3020 rules, we don't reply. */
3025 if (appData.debugMode)
3026 fprintf(debugFP, "\n<IAC ");
3027 /* Doubled IAC; pass it through */
3031 if (appData.debugMode)
3032 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3033 /* Drop all other telnet commands on the floor */
3036 if (oldi > next_out)
3037 SendToPlayer(&buf[next_out], oldi - next_out);
3043 /* OK, this at least will *usually* work */
3044 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3048 if (loggedOn && !intfSet) {
3049 if (ics_type == ICS_ICC) {
3050 snprintf(str, MSG_SIZ,
3051 "/set-quietly interface %s\n/set-quietly style 12\n",
3053 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3054 strcat(str, "/set-2 51 1\n/set seek 1\n");
3055 } else if (ics_type == ICS_CHESSNET) {
3056 snprintf(str, MSG_SIZ, "/style 12\n");
3058 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3059 strcat(str, programVersion);
3060 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3064 strcat(str, "$iset nohighlight 1\n");
3066 strcat(str, "$iset lock 1\n$style 12\n");
3069 NotifyFrontendLogin();
3073 if (started == STARTED_COMMENT) {
3074 /* Accumulate characters in comment */
3075 parse[parse_pos++] = buf[i];
3076 if (buf[i] == '\n') {
3077 parse[parse_pos] = NULLCHAR;
3078 if(chattingPartner>=0) {
3080 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3081 OutputChatMessage(chattingPartner, mess);
3082 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3084 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3085 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3086 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3087 OutputChatMessage(p, mess);
3091 chattingPartner = -1;
3092 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3095 if(!suppressKibitz) // [HGM] kibitz
3096 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3097 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3098 int nrDigit = 0, nrAlph = 0, j;
3099 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3100 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3101 parse[parse_pos] = NULLCHAR;
3102 // try to be smart: if it does not look like search info, it should go to
3103 // ICS interaction window after all, not to engine-output window.
3104 for(j=0; j<parse_pos; j++) { // count letters and digits
3105 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3106 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3107 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3109 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3110 int depth=0; float score;
3111 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3112 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3113 pvInfoList[forwardMostMove-1].depth = depth;
3114 pvInfoList[forwardMostMove-1].score = 100*score;
3116 OutputKibitz(suppressKibitz, parse);
3119 if(gameMode == IcsObserving) // restore original ICS messages
3120 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3121 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3123 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3124 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3125 SendToPlayer(tmp, strlen(tmp));
3127 next_out = i+1; // [HGM] suppress printing in ICS window
3129 started = STARTED_NONE;
3131 /* Don't match patterns against characters in comment */
3136 if (started == STARTED_CHATTER) {
3137 if (buf[i] != '\n') {
3138 /* Don't match patterns against characters in chatter */
3142 started = STARTED_NONE;
3143 if(suppressKibitz) next_out = i+1;
3146 /* Kludge to deal with rcmd protocol */
3147 if (firstTime && looking_at(buf, &i, "\001*")) {
3148 DisplayFatalError(&buf[1], 0, 1);
3154 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3157 if (appData.debugMode)
3158 fprintf(debugFP, "ics_type %d\n", ics_type);
3161 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3162 ics_type = ICS_FICS;
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3168 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3169 ics_type = ICS_CHESSNET;
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3178 looking_at(buf, &i, "Logging you in as \"*\"") ||
3179 looking_at(buf, &i, "will be \"*\""))) {
3180 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3184 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3186 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3187 DisplayIcsInteractionTitle(buf);
3188 have_set_title = TRUE;
3191 /* skip finger notes */
3192 if (started == STARTED_NONE &&
3193 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3194 (buf[i] == '1' && buf[i+1] == '0')) &&
3195 buf[i+2] == ':' && buf[i+3] == ' ') {
3196 started = STARTED_CHATTER;
3202 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3203 if(appData.seekGraph) {
3204 if(soughtPending && MatchSoughtLine(buf+i)) {
3205 i = strstr(buf+i, "rated") - buf;
3206 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3207 next_out = leftover_start = i;
3208 started = STARTED_CHATTER;
3209 suppressKibitz = TRUE;
3212 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3213 && looking_at(buf, &i, "* ads displayed")) {
3214 soughtPending = FALSE;
3219 if(appData.autoRefresh) {
3220 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3221 int s = (ics_type == ICS_ICC); // ICC format differs
3223 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3224 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3225 looking_at(buf, &i, "*% "); // eat prompt
3226 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3227 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3228 next_out = i; // suppress
3231 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3232 char *p = star_match[0];
3234 if(seekGraphUp) RemoveSeekAd(atoi(p));
3235 while(*p && *p++ != ' '); // next
3237 looking_at(buf, &i, "*% "); // eat prompt
3238 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3245 /* skip formula vars */
3246 if (started == STARTED_NONE &&
3247 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3248 started = STARTED_CHATTER;
3253 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3254 if (appData.autoKibitz && started == STARTED_NONE &&
3255 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3256 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3257 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3258 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3259 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3260 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3261 suppressKibitz = TRUE;
3262 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3264 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3265 && (gameMode == IcsPlayingWhite)) ||
3266 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3267 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3268 started = STARTED_CHATTER; // own kibitz we simply discard
3270 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3271 parse_pos = 0; parse[0] = NULLCHAR;
3272 savingComment = TRUE;
3273 suppressKibitz = gameMode != IcsObserving ? 2 :
3274 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3278 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3279 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3280 && atoi(star_match[0])) {
3281 // suppress the acknowledgements of our own autoKibitz
3283 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3284 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3285 SendToPlayer(star_match[0], strlen(star_match[0]));
3286 if(looking_at(buf, &i, "*% ")) // eat prompt
3287 suppressKibitz = FALSE;
3291 } // [HGM] kibitz: end of patch
3293 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3295 // [HGM] chat: intercept tells by users for which we have an open chat window
3297 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3298 looking_at(buf, &i, "* whispers:") ||
3299 looking_at(buf, &i, "* kibitzes:") ||
3300 looking_at(buf, &i, "* shouts:") ||
3301 looking_at(buf, &i, "* c-shouts:") ||
3302 looking_at(buf, &i, "--> * ") ||
3303 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3304 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3305 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3306 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3308 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3309 chattingPartner = -1; collective = 0;
3311 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3312 for(p=0; p<MAX_CHAT; p++) {
3314 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3315 talker[0] = '['; strcat(talker, "] ");
3316 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3317 chattingPartner = p; break;
3320 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3321 for(p=0; p<MAX_CHAT; p++) {
3323 if(!strcmp("kibitzes", chatPartner[p])) {
3324 talker[0] = '['; strcat(talker, "] ");
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("whispers", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3337 if(buf[i-8] == '-' && buf[i-3] == 't')
3338 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3340 if(!strcmp("c-shouts", chatPartner[p])) {
3341 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3342 chattingPartner = p; break;
3345 if(chattingPartner < 0)
3346 for(p=0; p<MAX_CHAT; p++) {
3348 if(!strcmp("shouts", chatPartner[p])) {
3349 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3350 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3351 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3352 chattingPartner = p; break;
3356 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3357 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3359 Colorize(ColorTell, FALSE);
3360 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3362 chattingPartner = p; break;
3364 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3365 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3366 started = STARTED_COMMENT;
3367 parse_pos = 0; parse[0] = NULLCHAR;
3368 savingComment = 3 + chattingPartner; // counts as TRUE
3369 if(collective == 3) i = oldi; else {
3370 suppressKibitz = TRUE;
3371 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3372 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3376 } // [HGM] chat: end of patch
3379 if (appData.zippyTalk || appData.zippyPlay) {
3380 /* [DM] Backup address for color zippy lines */
3382 if (loggedOn == TRUE)
3383 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3384 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3386 } // [DM] 'else { ' deleted
3388 /* Regular tells and says */
3389 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3390 looking_at(buf, &i, "* (your partner) tells you: ") ||
3391 looking_at(buf, &i, "* says: ") ||
3392 /* Don't color "message" or "messages" output */
3393 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3394 looking_at(buf, &i, "*. * at *:*: ") ||
3395 looking_at(buf, &i, "--* (*:*): ") ||
3396 /* Message notifications (same color as tells) */
3397 looking_at(buf, &i, "* has left a message ") ||
3398 looking_at(buf, &i, "* just sent you a message:\n") ||
3399 /* Whispers and kibitzes */
3400 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3401 looking_at(buf, &i, "* kibitzes: ") ||
3403 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3405 if (tkind == 1 && strchr(star_match[0], ':')) {
3406 /* Avoid "tells you:" spoofs in channels */
3409 if (star_match[0][0] == NULLCHAR ||
3410 strchr(star_match[0], ' ') ||
3411 (tkind == 3 && strchr(star_match[1], ' '))) {
3412 /* Reject bogus matches */
3415 if (appData.colorize) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3422 Colorize(ColorTell, FALSE);
3423 curColor = ColorTell;
3426 Colorize(ColorKibitz, FALSE);
3427 curColor = ColorKibitz;
3430 p = strrchr(star_match[1], '(');
3437 Colorize(ColorChannel1, FALSE);
3438 curColor = ColorChannel1;
3440 Colorize(ColorChannel, FALSE);
3441 curColor = ColorChannel;
3445 curColor = ColorNormal;
3449 if (started == STARTED_NONE && appData.autoComment &&
3450 (gameMode == IcsObserving ||
3451 gameMode == IcsPlayingWhite ||
3452 gameMode == IcsPlayingBlack)) {
3453 parse_pos = i - oldi;
3454 memcpy(parse, &buf[oldi], parse_pos);
3455 parse[parse_pos] = NULLCHAR;
3456 started = STARTED_COMMENT;
3457 savingComment = TRUE;
3458 } else if(collective != 3) {
3459 started = STARTED_CHATTER;
3460 savingComment = FALSE;
3467 if (looking_at(buf, &i, "* s-shouts: ") ||
3468 looking_at(buf, &i, "* c-shouts: ")) {
3469 if (appData.colorize) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 Colorize(ColorSShout, FALSE);
3475 curColor = ColorSShout;
3478 started = STARTED_CHATTER;
3482 if (looking_at(buf, &i, "--->")) {
3487 if (looking_at(buf, &i, "* shouts: ") ||
3488 looking_at(buf, &i, "--> ")) {
3489 if (appData.colorize) {
3490 if (oldi > next_out) {
3491 SendToPlayer(&buf[next_out], oldi - next_out);
3494 Colorize(ColorShout, FALSE);
3495 curColor = ColorShout;
3498 started = STARTED_CHATTER;
3502 if (looking_at( buf, &i, "Challenge:")) {
3503 if (appData.colorize) {
3504 if (oldi > next_out) {
3505 SendToPlayer(&buf[next_out], oldi - next_out);
3508 Colorize(ColorChallenge, FALSE);
3509 curColor = ColorChallenge;
3515 if (looking_at(buf, &i, "* offers you") ||
3516 looking_at(buf, &i, "* offers to be") ||
3517 looking_at(buf, &i, "* would like to") ||
3518 looking_at(buf, &i, "* requests to") ||
3519 looking_at(buf, &i, "Your opponent offers") ||
3520 looking_at(buf, &i, "Your opponent requests")) {
3522 if (appData.colorize) {
3523 if (oldi > next_out) {
3524 SendToPlayer(&buf[next_out], oldi - next_out);
3527 Colorize(ColorRequest, FALSE);
3528 curColor = ColorRequest;
3533 if (looking_at(buf, &i, "* (*) seeking")) {
3534 if (appData.colorize) {
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 Colorize(ColorSeek, FALSE);
3540 curColor = ColorSeek;
3545 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3547 if (looking_at(buf, &i, "\\ ")) {
3548 if (prevColor != ColorNormal) {
3549 if (oldi > next_out) {
3550 SendToPlayer(&buf[next_out], oldi - next_out);
3553 Colorize(prevColor, TRUE);
3554 curColor = prevColor;
3556 if (savingComment) {
3557 parse_pos = i - oldi;
3558 memcpy(parse, &buf[oldi], parse_pos);
3559 parse[parse_pos] = NULLCHAR;
3560 started = STARTED_COMMENT;
3561 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3562 chattingPartner = savingComment - 3; // kludge to remember the box
3564 started = STARTED_CHATTER;
3569 if (looking_at(buf, &i, "Black Strength :") ||
3570 looking_at(buf, &i, "<<< style 10 board >>>") ||
3571 looking_at(buf, &i, "<10>") ||
3572 looking_at(buf, &i, "#@#")) {
3573 /* Wrong board style */
3575 SendToICS(ics_prefix);
3576 SendToICS("set style 12\n");
3577 SendToICS(ics_prefix);
3578 SendToICS("refresh\n");
3582 if (looking_at(buf, &i, "login:")) {
3583 if (!have_sent_ICS_logon) {
3585 have_sent_ICS_logon = 1;
3586 else // no init script was found
3587 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3588 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3589 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3594 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3595 (looking_at(buf, &i, "\n<12> ") ||
3596 looking_at(buf, &i, "<12> "))) {
3598 if (oldi > next_out) {
3599 SendToPlayer(&buf[next_out], oldi - next_out);
3602 started = STARTED_BOARD;
3607 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3608 looking_at(buf, &i, "<b1> ")) {
3609 if (oldi > next_out) {
3610 SendToPlayer(&buf[next_out], oldi - next_out);
3613 started = STARTED_HOLDINGS;
3618 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3620 /* Header for a move list -- first line */
3622 switch (ics_getting_history) {
3626 case BeginningOfGame:
3627 /* User typed "moves" or "oldmoves" while we
3628 were idle. Pretend we asked for these
3629 moves and soak them up so user can step
3630 through them and/or save them.
3633 gameMode = IcsObserving;
3636 ics_getting_history = H_GOT_UNREQ_HEADER;
3638 case EditGame: /*?*/
3639 case EditPosition: /*?*/
3640 /* Should above feature work in these modes too? */
3641 /* For now it doesn't */
3642 ics_getting_history = H_GOT_UNWANTED_HEADER;
3645 ics_getting_history = H_GOT_UNWANTED_HEADER;
3650 /* Is this the right one? */
3651 if (gameInfo.white && gameInfo.black &&
3652 strcmp(gameInfo.white, star_match[0]) == 0 &&
3653 strcmp(gameInfo.black, star_match[2]) == 0) {
3655 ics_getting_history = H_GOT_REQ_HEADER;
3658 case H_GOT_REQ_HEADER:
3659 case H_GOT_UNREQ_HEADER:
3660 case H_GOT_UNWANTED_HEADER:
3661 case H_GETTING_MOVES:
3662 /* Should not happen */
3663 DisplayError(_("Error gathering move list: two headers"), 0);
3664 ics_getting_history = H_FALSE;
3668 /* Save player ratings into gameInfo if needed */
3669 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3670 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3671 (gameInfo.whiteRating == -1 ||
3672 gameInfo.blackRating == -1)) {
3674 gameInfo.whiteRating = string_to_rating(star_match[1]);
3675 gameInfo.blackRating = string_to_rating(star_match[3]);
3676 if (appData.debugMode)
3677 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3678 gameInfo.whiteRating, gameInfo.blackRating);
3683 if (looking_at(buf, &i,
3684 "* * match, initial time: * minute*, increment: * second")) {
3685 /* Header for a move list -- second line */
3686 /* Initial board will follow if this is a wild game */
3687 if (gameInfo.event != NULL) free(gameInfo.event);
3688 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3689 gameInfo.event = StrSave(str);
3690 /* [HGM] we switched variant. Translate boards if needed. */
3691 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3695 if (looking_at(buf, &i, "Move ")) {
3696 /* Beginning of a move list */
3697 switch (ics_getting_history) {
3699 /* Normally should not happen */
3700 /* Maybe user hit reset while we were parsing */
3703 /* Happens if we are ignoring a move list that is not
3704 * the one we just requested. Common if the user
3705 * tries to observe two games without turning off
3708 case H_GETTING_MOVES:
3709 /* Should not happen */
3710 DisplayError(_("Error gathering move list: nested"), 0);
3711 ics_getting_history = H_FALSE;
3713 case H_GOT_REQ_HEADER:
3714 ics_getting_history = H_GETTING_MOVES;
3715 started = STARTED_MOVES;
3717 if (oldi > next_out) {
3718 SendToPlayer(&buf[next_out], oldi - next_out);
3721 case H_GOT_UNREQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES_NOHIDE;
3726 case H_GOT_UNWANTED_HEADER:
3727 ics_getting_history = H_FALSE;
3733 if (looking_at(buf, &i, "% ") ||
3734 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3735 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3736 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3737 soughtPending = FALSE;
3741 if(suppressKibitz) next_out = i;
3742 savingComment = FALSE;
3746 case STARTED_MOVES_NOHIDE:
3747 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3748 parse[parse_pos + i - oldi] = NULLCHAR;
3749 ParseGameHistory(parse);
3751 if (appData.zippyPlay && first.initDone) {
3752 FeedMovesToProgram(&first, forwardMostMove);
3753 if (gameMode == IcsPlayingWhite) {
3754 if (WhiteOnMove(forwardMostMove)) {
3755 if (first.sendTime) {
3756 if (first.useColors) {
3757 SendToProgram("black\n", &first);
3759 SendTimeRemaining(&first, TRUE);
3761 if (first.useColors) {
3762 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3764 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3765 first.maybeThinking = TRUE;
3767 if (first.usePlayother) {
3768 if (first.sendTime) {
3769 SendTimeRemaining(&first, TRUE);
3771 SendToProgram("playother\n", &first);
3777 } else if (gameMode == IcsPlayingBlack) {
3778 if (!WhiteOnMove(forwardMostMove)) {
3779 if (first.sendTime) {
3780 if (first.useColors) {
3781 SendToProgram("white\n", &first);
3783 SendTimeRemaining(&first, FALSE);
3785 if (first.useColors) {
3786 SendToProgram("black\n", &first);
3788 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3789 first.maybeThinking = TRUE;
3791 if (first.usePlayother) {
3792 if (first.sendTime) {
3793 SendTimeRemaining(&first, FALSE);
3795 SendToProgram("playother\n", &first);
3804 if (gameMode == IcsObserving && ics_gamenum == -1) {
3805 /* Moves came from oldmoves or moves command
3806 while we weren't doing anything else.
3808 currentMove = forwardMostMove;
3809 ClearHighlights();/*!!could figure this out*/
3810 flipView = appData.flipView;
3811 DrawPosition(TRUE, boards[currentMove]);
3812 DisplayBothClocks();
3813 snprintf(str, MSG_SIZ, "%s %s %s",
3814 gameInfo.white, _("vs."), gameInfo.black);
3818 /* Moves were history of an active game */
3819 if (gameInfo.resultDetails != NULL) {
3820 free(gameInfo.resultDetails);
3821 gameInfo.resultDetails = NULL;
3824 HistorySet(parseList, backwardMostMove,
3825 forwardMostMove, currentMove-1);
3826 DisplayMove(currentMove - 1);
3827 if (started == STARTED_MOVES) next_out = i;
3828 started = STARTED_NONE;
3829 ics_getting_history = H_FALSE;
3832 case STARTED_OBSERVE:
3833 started = STARTED_NONE;
3834 SendToICS(ics_prefix);
3835 SendToICS("refresh\n");
3841 if(bookHit) { // [HGM] book: simulate book reply
3842 static char bookMove[MSG_SIZ]; // a bit generous?
3844 programStats.nodes = programStats.depth = programStats.time =
3845 programStats.score = programStats.got_only_move = 0;
3846 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3848 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3849 strcat(bookMove, bookHit);
3850 HandleMachineMove(bookMove, &first);
3855 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3856 started == STARTED_HOLDINGS ||
3857 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3858 /* Accumulate characters in move list or board */
3859 parse[parse_pos++] = buf[i];
3862 /* Start of game messages. Mostly we detect start of game
3863 when the first board image arrives. On some versions
3864 of the ICS, though, we need to do a "refresh" after starting
3865 to observe in order to get the current board right away. */
3866 if (looking_at(buf, &i, "Adding game * to observation list")) {
3867 started = STARTED_OBSERVE;
3871 /* Handle auto-observe */
3872 if (appData.autoObserve &&
3873 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3874 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3876 /* Choose the player that was highlighted, if any. */
3877 if (star_match[0][0] == '\033' ||
3878 star_match[1][0] != '\033') {
3879 player = star_match[0];
3881 player = star_match[2];
3883 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3884 ics_prefix, StripHighlightAndTitle(player));
3887 /* Save ratings from notify string */
3888 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3889 player1Rating = string_to_rating(star_match[1]);
3890 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3891 player2Rating = string_to_rating(star_match[3]);
3893 if (appData.debugMode)
3895 "Ratings from 'Game notification:' %s %d, %s %d\n",
3896 player1Name, player1Rating,
3897 player2Name, player2Rating);
3902 /* Deal with automatic examine mode after a game,
3903 and with IcsObserving -> IcsExamining transition */
3904 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3905 looking_at(buf, &i, "has made you an examiner of game *")) {
3907 int gamenum = atoi(star_match[0]);
3908 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3909 gamenum == ics_gamenum) {
3910 /* We were already playing or observing this game;
3911 no need to refetch history */
3912 gameMode = IcsExamining;
3914 pauseExamForwardMostMove = forwardMostMove;
3915 } else if (currentMove < forwardMostMove) {
3916 ForwardInner(forwardMostMove);
3919 /* I don't think this case really can happen */
3920 SendToICS(ics_prefix);
3921 SendToICS("refresh\n");
3926 /* Error messages */
3927 // if (ics_user_moved) {
3928 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3929 if (looking_at(buf, &i, "Illegal move") ||
3930 looking_at(buf, &i, "Not a legal move") ||
3931 looking_at(buf, &i, "Your king is in check") ||
3932 looking_at(buf, &i, "It isn't your turn") ||
3933 looking_at(buf, &i, "It is not your move")) {
3935 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3936 currentMove = forwardMostMove-1;
3937 DisplayMove(currentMove - 1); /* before DMError */
3938 DrawPosition(FALSE, boards[currentMove]);
3939 SwitchClocks(forwardMostMove-1); // [HGM] race
3940 DisplayBothClocks();
3942 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3948 if (looking_at(buf, &i, "still have time") ||
3949 looking_at(buf, &i, "not out of time") ||
3950 looking_at(buf, &i, "either player is out of time") ||
3951 looking_at(buf, &i, "has timeseal; checking")) {
3952 /* We must have called his flag a little too soon */
3953 whiteFlag = blackFlag = FALSE;
3957 if (looking_at(buf, &i, "added * seconds to") ||
3958 looking_at(buf, &i, "seconds were added to")) {
3959 /* Update the clocks */
3960 SendToICS(ics_prefix);
3961 SendToICS("refresh\n");
3965 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3966 ics_clock_paused = TRUE;
3971 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3972 ics_clock_paused = FALSE;
3977 /* Grab player ratings from the Creating: message.
3978 Note we have to check for the special case when
3979 the ICS inserts things like [white] or [black]. */
3980 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3981 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3983 0 player 1 name (not necessarily white)
3985 2 empty, white, or black (IGNORED)
3986 3 player 2 name (not necessarily black)
3989 The names/ratings are sorted out when the game
3990 actually starts (below).
3992 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3993 player1Rating = string_to_rating(star_match[1]);
3994 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3995 player2Rating = string_to_rating(star_match[4]);
3997 if (appData.debugMode)
3999 "Ratings from 'Creating:' %s %d, %s %d\n",
4000 player1Name, player1Rating,
4001 player2Name, player2Rating);
4006 /* Improved generic start/end-of-game messages */
4007 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4008 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4009 /* If tkind == 0: */
4010 /* star_match[0] is the game number */
4011 /* [1] is the white player's name */
4012 /* [2] is the black player's name */
4013 /* For end-of-game: */
4014 /* [3] is the reason for the game end */
4015 /* [4] is a PGN end game-token, preceded by " " */
4016 /* For start-of-game: */
4017 /* [3] begins with "Creating" or "Continuing" */
4018 /* [4] is " *" or empty (don't care). */
4019 int gamenum = atoi(star_match[0]);
4020 char *whitename, *blackname, *why, *endtoken;
4021 ChessMove endtype = EndOfFile;
4024 whitename = star_match[1];
4025 blackname = star_match[2];
4026 why = star_match[3];
4027 endtoken = star_match[4];
4029 whitename = star_match[1];
4030 blackname = star_match[3];
4031 why = star_match[5];
4032 endtoken = star_match[6];
4035 /* Game start messages */
4036 if (strncmp(why, "Creating ", 9) == 0 ||
4037 strncmp(why, "Continuing ", 11) == 0) {
4038 gs_gamenum = gamenum;
4039 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4040 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4041 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4043 if (appData.zippyPlay) {
4044 ZippyGameStart(whitename, blackname);
4047 partnerBoardValid = FALSE; // [HGM] bughouse
4051 /* Game end messages */
4052 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4053 ics_gamenum != gamenum) {
4056 while (endtoken[0] == ' ') endtoken++;
4057 switch (endtoken[0]) {
4060 endtype = GameUnfinished;
4063 endtype = BlackWins;
4066 if (endtoken[1] == '/')
4067 endtype = GameIsDrawn;
4069 endtype = WhiteWins;
4072 GameEnds(endtype, why, GE_ICS);
4074 if (appData.zippyPlay && first.initDone) {
4075 ZippyGameEnd(endtype, why);
4076 if (first.pr == NoProc) {
4077 /* Start the next process early so that we'll
4078 be ready for the next challenge */
4079 StartChessProgram(&first);
4081 /* Send "new" early, in case this command takes
4082 a long time to finish, so that we'll be ready
4083 for the next challenge. */
4084 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4088 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4092 if (looking_at(buf, &i, "Removing game * from observation") ||
4093 looking_at(buf, &i, "no longer observing game *") ||
4094 looking_at(buf, &i, "Game * (*) has no examiners")) {
4095 if (gameMode == IcsObserving &&
4096 atoi(star_match[0]) == ics_gamenum)
4098 /* icsEngineAnalyze */
4099 if (appData.icsEngineAnalyze) {
4106 ics_user_moved = FALSE;
4111 if (looking_at(buf, &i, "no longer examining game *")) {
4112 if (gameMode == IcsExamining &&
4113 atoi(star_match[0]) == ics_gamenum)
4117 ics_user_moved = FALSE;
4122 /* Advance leftover_start past any newlines we find,
4123 so only partial lines can get reparsed */
4124 if (looking_at(buf, &i, "\n")) {
4125 prevColor = curColor;
4126 if (curColor != ColorNormal) {
4127 if (oldi > next_out) {
4128 SendToPlayer(&buf[next_out], oldi - next_out);
4131 Colorize(ColorNormal, FALSE);
4132 curColor = ColorNormal;
4134 if (started == STARTED_BOARD) {
4135 started = STARTED_NONE;
4136 parse[parse_pos] = NULLCHAR;
4137 ParseBoard12(parse);
4140 /* Send premove here */
4141 if (appData.premove) {
4143 if (currentMove == 0 &&
4144 gameMode == IcsPlayingWhite &&
4145 appData.premoveWhite) {
4146 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4147 if (appData.debugMode)
4148 fprintf(debugFP, "Sending premove:\n");
4150 } else if (currentMove == 1 &&
4151 gameMode == IcsPlayingBlack &&
4152 appData.premoveBlack) {
4153 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4154 if (appData.debugMode)
4155 fprintf(debugFP, "Sending premove:\n");
4157 } else if (gotPremove) {
4159 ClearPremoveHighlights();
4160 if (appData.debugMode)
4161 fprintf(debugFP, "Sending premove:\n");
4162 UserMoveEvent(premoveFromX, premoveFromY,
4163 premoveToX, premoveToY,
4168 /* Usually suppress following prompt */
4169 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4170 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4171 if (looking_at(buf, &i, "*% ")) {
4172 savingComment = FALSE;
4177 } else if (started == STARTED_HOLDINGS) {
4179 char new_piece[MSG_SIZ];
4180 started = STARTED_NONE;
4181 parse[parse_pos] = NULLCHAR;
4182 if (appData.debugMode)
4183 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4184 parse, currentMove);
4185 if (sscanf(parse, " game %d", &gamenum) == 1) {
4186 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4187 if (gameInfo.variant == VariantNormal) {
4188 /* [HGM] We seem to switch variant during a game!
4189 * Presumably no holdings were displayed, so we have
4190 * to move the position two files to the right to
4191 * create room for them!
4193 VariantClass newVariant;
4194 switch(gameInfo.boardWidth) { // base guess on board width
4195 case 9: newVariant = VariantShogi; break;
4196 case 10: newVariant = VariantGreat; break;
4197 default: newVariant = VariantCrazyhouse; break;
4199 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4200 /* Get a move list just to see the header, which
4201 will tell us whether this is really bug or zh */
4202 if (ics_getting_history == H_FALSE) {
4203 ics_getting_history = H_REQUESTED;
4204 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4208 new_piece[0] = NULLCHAR;
4209 sscanf(parse, "game %d white [%s black [%s <- %s",
4210 &gamenum, white_holding, black_holding,
4212 white_holding[strlen(white_holding)-1] = NULLCHAR;
4213 black_holding[strlen(black_holding)-1] = NULLCHAR;
4214 /* [HGM] copy holdings to board holdings area */
4215 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4216 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4217 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4219 if (appData.zippyPlay && first.initDone) {
4220 ZippyHoldings(white_holding, black_holding,
4224 if (tinyLayout || smallLayout) {
4225 char wh[16], bh[16];
4226 PackHolding(wh, white_holding);
4227 PackHolding(bh, black_holding);
4228 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4229 gameInfo.white, gameInfo.black);
4231 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4232 gameInfo.white, white_holding, _("vs."),
4233 gameInfo.black, black_holding);
4235 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4236 DrawPosition(FALSE, boards[currentMove]);
4238 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4239 sscanf(parse, "game %d white [%s black [%s <- %s",
4240 &gamenum, white_holding, black_holding,
4242 white_holding[strlen(white_holding)-1] = NULLCHAR;
4243 black_holding[strlen(black_holding)-1] = NULLCHAR;
4244 /* [HGM] copy holdings to partner-board holdings area */
4245 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4246 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4247 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4248 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4249 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4252 /* Suppress following prompt */
4253 if (looking_at(buf, &i, "*% ")) {
4254 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4255 savingComment = FALSE;
4263 i++; /* skip unparsed character and loop back */
4266 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4267 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4268 // SendToPlayer(&buf[next_out], i - next_out);
4269 started != STARTED_HOLDINGS && leftover_start > next_out) {
4270 SendToPlayer(&buf[next_out], leftover_start - next_out);
4274 leftover_len = buf_len - leftover_start;
4275 /* if buffer ends with something we couldn't parse,
4276 reparse it after appending the next read */
4278 } else if (count == 0) {
4279 RemoveInputSource(isr);
4280 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4282 DisplayFatalError(_("Error reading from ICS"), error, 1);
4287 /* Board style 12 looks like this:
4289 <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
4291 * The "<12> " is stripped before it gets to this routine. The two
4292 * trailing 0's (flip state and clock ticking) are later addition, and
4293 * some chess servers may not have them, or may have only the first.
4294 * Additional trailing fields may be added in the future.
4297 #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"
4299 #define RELATION_OBSERVING_PLAYED 0
4300 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4301 #define RELATION_PLAYING_MYMOVE 1
4302 #define RELATION_PLAYING_NOTMYMOVE -1
4303 #define RELATION_EXAMINING 2
4304 #define RELATION_ISOLATED_BOARD -3
4305 #define RELATION_STARTING_POSITION -4 /* FICS only */
4308 ParseBoard12 (char *string)
4312 char *bookHit = NULL; // [HGM] book
4314 GameMode newGameMode;
4315 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4316 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4317 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4318 char to_play, board_chars[200];
4319 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4320 char black[32], white[32];
4322 int prevMove = currentMove;
4325 int fromX, fromY, toX, toY;
4327 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4328 Boolean weird = FALSE, reqFlag = FALSE;
4330 fromX = fromY = toX = toY = -1;
4334 if (appData.debugMode)
4335 fprintf(debugFP, "Parsing board: %s\n", string);
4337 move_str[0] = NULLCHAR;
4338 elapsed_time[0] = NULLCHAR;
4339 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4341 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4342 if(string[i] == ' ') { ranks++; files = 0; }
4344 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4347 for(j = 0; j <i; j++) board_chars[j] = string[j];
4348 board_chars[i] = '\0';
4351 n = sscanf(string, PATTERN, &to_play, &double_push,
4352 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4353 &gamenum, white, black, &relation, &basetime, &increment,
4354 &white_stren, &black_stren, &white_time, &black_time,
4355 &moveNum, str, elapsed_time, move_str, &ics_flip,
4359 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4360 DisplayError(str, 0);
4364 /* Convert the move number to internal form */
4365 moveNum = (moveNum - 1) * 2;
4366 if (to_play == 'B') moveNum++;
4367 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4368 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4374 case RELATION_OBSERVING_PLAYED:
4375 case RELATION_OBSERVING_STATIC:
4376 if (gamenum == -1) {
4377 /* Old ICC buglet */
4378 relation = RELATION_OBSERVING_STATIC;
4380 newGameMode = IcsObserving;
4382 case RELATION_PLAYING_MYMOVE:
4383 case RELATION_PLAYING_NOTMYMOVE:
4385 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4386 IcsPlayingWhite : IcsPlayingBlack;
4387 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4389 case RELATION_EXAMINING:
4390 newGameMode = IcsExamining;
4392 case RELATION_ISOLATED_BOARD:
4394 /* Just display this board. If user was doing something else,
4395 we will forget about it until the next board comes. */
4396 newGameMode = IcsIdle;
4398 case RELATION_STARTING_POSITION:
4399 newGameMode = gameMode;
4403 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4404 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4405 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4406 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4407 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4408 static int lastBgGame = -1;
4410 for (k = 0; k < ranks; k++) {
4411 for (j = 0; j < files; j++)
4412 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4413 if(gameInfo.holdingsWidth > 1) {
4414 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4415 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4418 CopyBoard(partnerBoard, board);
4419 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4420 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4421 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4422 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4423 if(toSqr = strchr(str, '-')) {
4424 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4425 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4426 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4427 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4428 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4429 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4431 DisplayWhiteClock(white_time*fac, to_play == 'W');
4432 DisplayBlackClock(black_time*fac, to_play != 'W');
4433 activePartner = to_play;
4434 if(gamenum != lastBgGame) {
4436 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4439 lastBgGame = gamenum;
4440 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4441 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4442 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4443 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4444 if(!twoBoards) DisplayMessage(partnerStatus, "");
4445 partnerBoardValid = TRUE;
4449 if(appData.dualBoard && appData.bgObserve) {
4450 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4451 SendToICS(ics_prefix), SendToICS("pobserve\n");
4452 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4454 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4459 /* Modify behavior for initial board display on move listing
4462 switch (ics_getting_history) {
4466 case H_GOT_REQ_HEADER:
4467 case H_GOT_UNREQ_HEADER:
4468 /* This is the initial position of the current game */
4469 gamenum = ics_gamenum;
4470 moveNum = 0; /* old ICS bug workaround */
4471 if (to_play == 'B') {
4472 startedFromSetupPosition = TRUE;
4473 blackPlaysFirst = TRUE;
4475 if (forwardMostMove == 0) forwardMostMove = 1;
4476 if (backwardMostMove == 0) backwardMostMove = 1;
4477 if (currentMove == 0) currentMove = 1;
4479 newGameMode = gameMode;
4480 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4482 case H_GOT_UNWANTED_HEADER:
4483 /* This is an initial board that we don't want */
4485 case H_GETTING_MOVES:
4486 /* Should not happen */
4487 DisplayError(_("Error gathering move list: extra board"), 0);
4488 ics_getting_history = H_FALSE;
4492 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4493 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4494 weird && (int)gameInfo.variant < (int)VariantShogi) {
4495 /* [HGM] We seem to have switched variant unexpectedly
4496 * Try to guess new variant from board size
4498 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4499 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4500 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4501 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4502 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4503 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4504 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4505 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4506 /* Get a move list just to see the header, which
4507 will tell us whether this is really bug or zh */
4508 if (ics_getting_history == H_FALSE) {
4509 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4510 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4515 /* Take action if this is the first board of a new game, or of a
4516 different game than is currently being displayed. */
4517 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4518 relation == RELATION_ISOLATED_BOARD) {
4520 /* Forget the old game and get the history (if any) of the new one */
4521 if (gameMode != BeginningOfGame) {
4525 if (appData.autoRaiseBoard) BoardToTop();
4527 if (gamenum == -1) {
4528 newGameMode = IcsIdle;
4529 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4530 appData.getMoveList && !reqFlag) {
4531 /* Need to get game history */
4532 ics_getting_history = H_REQUESTED;
4533 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4537 /* Initially flip the board to have black on the bottom if playing
4538 black or if the ICS flip flag is set, but let the user change
4539 it with the Flip View button. */
4540 flipView = appData.autoFlipView ?
4541 (newGameMode == IcsPlayingBlack) || ics_flip :
4544 /* Done with values from previous mode; copy in new ones */
4545 gameMode = newGameMode;
4547 ics_gamenum = gamenum;
4548 if (gamenum == gs_gamenum) {
4549 int klen = strlen(gs_kind);
4550 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4551 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4552 gameInfo.event = StrSave(str);
4554 gameInfo.event = StrSave("ICS game");
4556 gameInfo.site = StrSave(appData.icsHost);
4557 gameInfo.date = PGNDate();
4558 gameInfo.round = StrSave("-");
4559 gameInfo.white = StrSave(white);
4560 gameInfo.black = StrSave(black);
4561 timeControl = basetime * 60 * 1000;
4563 timeIncrement = increment * 1000;
4564 movesPerSession = 0;
4565 gameInfo.timeControl = TimeControlTagValue();
4566 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4567 if (appData.debugMode) {
4568 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4569 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4570 setbuf(debugFP, NULL);
4573 gameInfo.outOfBook = NULL;
4575 /* Do we have the ratings? */
4576 if (strcmp(player1Name, white) == 0 &&
4577 strcmp(player2Name, black) == 0) {
4578 if (appData.debugMode)
4579 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4580 player1Rating, player2Rating);
4581 gameInfo.whiteRating = player1Rating;
4582 gameInfo.blackRating = player2Rating;
4583 } else if (strcmp(player2Name, white) == 0 &&
4584 strcmp(player1Name, black) == 0) {
4585 if (appData.debugMode)
4586 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4587 player2Rating, player1Rating);
4588 gameInfo.whiteRating = player2Rating;
4589 gameInfo.blackRating = player1Rating;
4591 player1Name[0] = player2Name[0] = NULLCHAR;
4593 /* Silence shouts if requested */
4594 if (appData.quietPlay &&
4595 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4596 SendToICS(ics_prefix);
4597 SendToICS("set shout 0\n");
4601 /* Deal with midgame name changes */
4603 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4604 if (gameInfo.white) free(gameInfo.white);
4605 gameInfo.white = StrSave(white);
4607 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4608 if (gameInfo.black) free(gameInfo.black);
4609 gameInfo.black = StrSave(black);
4613 /* Throw away game result if anything actually changes in examine mode */
4614 if (gameMode == IcsExamining && !newGame) {
4615 gameInfo.result = GameUnfinished;
4616 if (gameInfo.resultDetails != NULL) {
4617 free(gameInfo.resultDetails);
4618 gameInfo.resultDetails = NULL;
4622 /* In pausing && IcsExamining mode, we ignore boards coming
4623 in if they are in a different variation than we are. */
4624 if (pauseExamInvalid) return;
4625 if (pausing && gameMode == IcsExamining) {
4626 if (moveNum <= pauseExamForwardMostMove) {
4627 pauseExamInvalid = TRUE;
4628 forwardMostMove = pauseExamForwardMostMove;
4633 if (appData.debugMode) {
4634 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4636 /* Parse the board */
4637 for (k = 0; k < ranks; k++) {
4638 for (j = 0; j < files; j++)
4639 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4640 if(gameInfo.holdingsWidth > 1) {
4641 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4642 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4645 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4646 board[5][BOARD_RGHT+1] = WhiteAngel;
4647 board[6][BOARD_RGHT+1] = WhiteMarshall;
4648 board[1][0] = BlackMarshall;
4649 board[2][0] = BlackAngel;
4650 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4652 CopyBoard(boards[moveNum], board);
4653 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4655 startedFromSetupPosition =
4656 !CompareBoards(board, initialPosition);
4657 if(startedFromSetupPosition)
4658 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4661 /* [HGM] Set castling rights. Take the outermost Rooks,
4662 to make it also work for FRC opening positions. Note that board12
4663 is really defective for later FRC positions, as it has no way to
4664 indicate which Rook can castle if they are on the same side of King.
4665 For the initial position we grant rights to the outermost Rooks,
4666 and remember thos rights, and we then copy them on positions
4667 later in an FRC game. This means WB might not recognize castlings with
4668 Rooks that have moved back to their original position as illegal,
4669 but in ICS mode that is not its job anyway.
4671 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4672 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4674 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4675 if(board[0][i] == WhiteRook) j = i;
4676 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4677 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4678 if(board[0][i] == WhiteRook) j = i;
4679 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4680 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4681 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4682 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4683 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4684 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4685 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4688 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4689 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4690 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4691 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4692 if(board[BOARD_HEIGHT-1][k] == bKing)
4693 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4694 if(gameInfo.variant == VariantTwoKings) {
4695 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4696 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4697 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4700 r = boards[moveNum][CASTLING][0] = initialRights[0];
4701 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4702 r = boards[moveNum][CASTLING][1] = initialRights[1];
4703 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4704 r = boards[moveNum][CASTLING][3] = initialRights[3];
4705 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4706 r = boards[moveNum][CASTLING][4] = initialRights[4];
4707 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4708 /* wildcastle kludge: always assume King has rights */
4709 r = boards[moveNum][CASTLING][2] = initialRights[2];
4710 r = boards[moveNum][CASTLING][5] = initialRights[5];
4712 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4713 boards[moveNum][EP_STATUS] = EP_NONE;
4714 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4715 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4716 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4719 if (ics_getting_history == H_GOT_REQ_HEADER ||
4720 ics_getting_history == H_GOT_UNREQ_HEADER) {
4721 /* This was an initial position from a move list, not
4722 the current position */
4726 /* Update currentMove and known move number limits */
4727 newMove = newGame || moveNum > forwardMostMove;
4730 forwardMostMove = backwardMostMove = currentMove = moveNum;
4731 if (gameMode == IcsExamining && moveNum == 0) {
4732 /* Workaround for ICS limitation: we are not told the wild
4733 type when starting to examine a game. But if we ask for
4734 the move list, the move list header will tell us */
4735 ics_getting_history = H_REQUESTED;
4736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4739 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4740 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4742 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4743 /* [HGM] applied this also to an engine that is silently watching */
4744 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4745 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4746 gameInfo.variant == currentlyInitializedVariant) {
4747 takeback = forwardMostMove - moveNum;
4748 for (i = 0; i < takeback; i++) {
4749 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4750 SendToProgram("undo\n", &first);
4755 forwardMostMove = moveNum;
4756 if (!pausing || currentMove > forwardMostMove)
4757 currentMove = forwardMostMove;
4759 /* New part of history that is not contiguous with old part */
4760 if (pausing && gameMode == IcsExamining) {
4761 pauseExamInvalid = TRUE;
4762 forwardMostMove = pauseExamForwardMostMove;
4765 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4767 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4768 // [HGM] when we will receive the move list we now request, it will be
4769 // fed to the engine from the first move on. So if the engine is not
4770 // in the initial position now, bring it there.
4771 InitChessProgram(&first, 0);
4774 ics_getting_history = H_REQUESTED;
4775 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4778 forwardMostMove = backwardMostMove = currentMove = moveNum;
4781 /* Update the clocks */
4782 if (strchr(elapsed_time, '.')) {
4784 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4785 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4787 /* Time is in seconds */
4788 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4789 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4794 if (appData.zippyPlay && newGame &&
4795 gameMode != IcsObserving && gameMode != IcsIdle &&
4796 gameMode != IcsExamining)
4797 ZippyFirstBoard(moveNum, basetime, increment);
4800 /* Put the move on the move list, first converting
4801 to canonical algebraic form. */
4803 if (appData.debugMode) {
4804 int f = forwardMostMove;
4805 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4806 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4807 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4808 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4809 fprintf(debugFP, "moveNum = %d\n", moveNum);
4810 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4811 setbuf(debugFP, NULL);
4813 if (moveNum <= backwardMostMove) {
4814 /* We don't know what the board looked like before
4816 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4817 strcat(parseList[moveNum - 1], " ");
4818 strcat(parseList[moveNum - 1], elapsed_time);
4819 moveList[moveNum - 1][0] = NULLCHAR;
4820 } else if (strcmp(move_str, "none") == 0) {
4821 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4822 /* Again, we don't know what the board looked like;
4823 this is really the start of the game. */
4824 parseList[moveNum - 1][0] = NULLCHAR;
4825 moveList[moveNum - 1][0] = NULLCHAR;
4826 backwardMostMove = moveNum;
4827 startedFromSetupPosition = TRUE;
4828 fromX = fromY = toX = toY = -1;
4830 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4831 // So we parse the long-algebraic move string in stead of the SAN move
4832 int valid; char buf[MSG_SIZ], *prom;
4834 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4835 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4836 // str looks something like "Q/a1-a2"; kill the slash
4838 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4839 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4840 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4841 strcat(buf, prom); // long move lacks promo specification!
4842 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4843 if(appData.debugMode)
4844 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4845 safeStrCpy(move_str, buf, MSG_SIZ);
4847 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4848 &fromX, &fromY, &toX, &toY, &promoChar)
4849 || ParseOneMove(buf, moveNum - 1, &moveType,
4850 &fromX, &fromY, &toX, &toY, &promoChar);
4851 // end of long SAN patch
4853 (void) CoordsToAlgebraic(boards[moveNum - 1],
4854 PosFlags(moveNum - 1),
4855 fromY, fromX, toY, toX, promoChar,
4856 parseList[moveNum-1]);
4857 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4863 if(!IS_SHOGI(gameInfo.variant))
4864 strcat(parseList[moveNum - 1], "+");
4867 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4868 strcat(parseList[moveNum - 1], "#");
4871 strcat(parseList[moveNum - 1], " ");
4872 strcat(parseList[moveNum - 1], elapsed_time);
4873 /* currentMoveString is set as a side-effect of ParseOneMove */
4874 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4875 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4876 strcat(moveList[moveNum - 1], "\n");
4878 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4879 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4880 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4881 ChessSquare old, new = boards[moveNum][k][j];
4882 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4883 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4884 if(old == new) continue;
4885 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4886 else if(new == WhiteWazir || new == BlackWazir) {
4887 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4888 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4889 else boards[moveNum][k][j] = old; // preserve type of Gold
4890 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4891 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4894 /* Move from ICS was illegal!? Punt. */
4895 if (appData.debugMode) {
4896 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4897 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4899 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4900 strcat(parseList[moveNum - 1], " ");
4901 strcat(parseList[moveNum - 1], elapsed_time);
4902 moveList[moveNum - 1][0] = NULLCHAR;
4903 fromX = fromY = toX = toY = -1;
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4908 setbuf(debugFP, NULL);
4912 /* Send move to chess program (BEFORE animating it). */
4913 if (appData.zippyPlay && !newGame && newMove &&
4914 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4916 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4917 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4918 if (moveList[moveNum - 1][0] == NULLCHAR) {
4919 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4921 DisplayError(str, 0);
4923 if (first.sendTime) {
4924 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4926 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4927 if (firstMove && !bookHit) {
4929 if (first.useColors) {
4930 SendToProgram(gameMode == IcsPlayingWhite ?
4932 "black\ngo\n", &first);
4934 SendToProgram("go\n", &first);
4936 first.maybeThinking = TRUE;
4939 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4940 if (moveList[moveNum - 1][0] == NULLCHAR) {
4941 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4942 DisplayError(str, 0);
4944 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4945 SendMoveToProgram(moveNum - 1, &first);
4952 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4953 /* If move comes from a remote source, animate it. If it
4954 isn't remote, it will have already been animated. */
4955 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4956 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4958 if (!pausing && appData.highlightLastMove) {
4959 SetHighlights(fromX, fromY, toX, toY);
4963 /* Start the clocks */
4964 whiteFlag = blackFlag = FALSE;
4965 appData.clockMode = !(basetime == 0 && increment == 0);
4967 ics_clock_paused = TRUE;
4969 } else if (ticking == 1) {
4970 ics_clock_paused = FALSE;
4972 if (gameMode == IcsIdle ||
4973 relation == RELATION_OBSERVING_STATIC ||
4974 relation == RELATION_EXAMINING ||
4976 DisplayBothClocks();
4980 /* Display opponents and material strengths */
4981 if (gameInfo.variant != VariantBughouse &&
4982 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4983 if (tinyLayout || smallLayout) {
4984 if(gameInfo.variant == VariantNormal)
4985 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4986 gameInfo.white, white_stren, gameInfo.black, black_stren,
4987 basetime, increment);
4989 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4990 gameInfo.white, white_stren, gameInfo.black, black_stren,
4991 basetime, increment, (int) gameInfo.variant);
4993 if(gameInfo.variant == VariantNormal)
4994 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4995 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4996 basetime, increment);
4998 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4999 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5000 basetime, increment, VariantName(gameInfo.variant));
5003 if (appData.debugMode) {
5004 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5009 /* Display the board */
5010 if (!pausing && !appData.noGUI) {
5012 if (appData.premove)
5014 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5015 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5016 ClearPremoveHighlights();
5018 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5019 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5020 DrawPosition(j, boards[currentMove]);
5022 DisplayMove(moveNum - 1);
5023 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5024 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5025 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5026 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5030 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5032 if(bookHit) { // [HGM] book: simulate book reply
5033 static char bookMove[MSG_SIZ]; // a bit generous?
5035 programStats.nodes = programStats.depth = programStats.time =
5036 programStats.score = programStats.got_only_move = 0;
5037 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5039 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5040 strcat(bookMove, bookHit);
5041 HandleMachineMove(bookMove, &first);
5050 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5051 ics_getting_history = H_REQUESTED;
5052 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5058 SendToBoth (char *msg)
5059 { // to make it easy to keep two engines in step in dual analysis
5060 SendToProgram(msg, &first);
5061 if(second.analyzing) SendToProgram(msg, &second);
5065 AnalysisPeriodicEvent (int force)
5067 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5068 && !force) || !appData.periodicUpdates)
5071 /* Send . command to Crafty to collect stats */
5074 /* Don't send another until we get a response (this makes
5075 us stop sending to old Crafty's which don't understand
5076 the "." command (sending illegal cmds resets node count & time,
5077 which looks bad)) */
5078 programStats.ok_to_send = 0;
5082 ics_update_width (int new_width)
5084 ics_printf("set width %d\n", new_width);
5088 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5092 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5093 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5094 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5095 SendToProgram(buf, cps);
5098 // null move in variant where engine does not understand it (for analysis purposes)
5099 SendBoard(cps, moveNum + 1); // send position after move in stead.
5102 if (cps->useUsermove) {
5103 SendToProgram("usermove ", cps);
5107 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5108 int len = space - parseList[moveNum];
5109 memcpy(buf, parseList[moveNum], len);
5111 buf[len] = NULLCHAR;
5113 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5115 SendToProgram(buf, cps);
5117 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5118 AlphaRank(moveList[moveNum], 4);
5119 SendToProgram(moveList[moveNum], cps);
5120 AlphaRank(moveList[moveNum], 4); // and back
5122 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5123 * the engine. It would be nice to have a better way to identify castle
5125 if(appData.fischerCastling && cps->useOOCastle) {
5126 int fromX = moveList[moveNum][0] - AAA;
5127 int fromY = moveList[moveNum][1] - ONE;
5128 int toX = moveList[moveNum][2] - AAA;
5129 int toY = moveList[moveNum][3] - ONE;
5130 if((boards[moveNum][fromY][fromX] == WhiteKing
5131 && boards[moveNum][toY][toX] == WhiteRook)
5132 || (boards[moveNum][fromY][fromX] == BlackKing
5133 && boards[moveNum][toY][toX] == BlackRook)) {
5134 if(toX > fromX) SendToProgram("O-O\n", cps);
5135 else SendToProgram("O-O-O\n", cps);
5137 else SendToProgram(moveList[moveNum], cps);
5139 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5140 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5141 moveList[moveNum][5], moveList[moveNum][6] - '0',
5142 moveList[moveNum][5], moveList[moveNum][6] - '0',
5143 moveList[moveNum][2], moveList[moveNum][3] - '0');
5144 SendToProgram(buf, cps);
5146 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5147 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5148 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5149 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5150 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5152 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5153 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5154 SendToProgram(buf, cps);
5156 else SendToProgram(moveList[moveNum], cps);
5157 /* End of additions by Tord */
5160 /* [HGM] setting up the opening has brought engine in force mode! */
5161 /* Send 'go' if we are in a mode where machine should play. */
5162 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5163 (gameMode == TwoMachinesPlay ||
5165 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5167 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5168 SendToProgram("go\n", cps);
5169 if (appData.debugMode) {
5170 fprintf(debugFP, "(extra)\n");
5173 setboardSpoiledMachineBlack = 0;
5177 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5179 char user_move[MSG_SIZ];
5182 if(gameInfo.variant == VariantSChess && promoChar) {
5183 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5184 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5185 } else suffix[0] = NULLCHAR;
5189 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5190 (int)moveType, fromX, fromY, toX, toY);
5191 DisplayError(user_move + strlen("say "), 0);
5193 case WhiteKingSideCastle:
5194 case BlackKingSideCastle:
5195 case WhiteQueenSideCastleWild:
5196 case BlackQueenSideCastleWild:
5198 case WhiteHSideCastleFR:
5199 case BlackHSideCastleFR:
5201 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5203 case WhiteQueenSideCastle:
5204 case BlackQueenSideCastle:
5205 case WhiteKingSideCastleWild:
5206 case BlackKingSideCastleWild:
5208 case WhiteASideCastleFR:
5209 case BlackASideCastleFR:
5211 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5213 case WhiteNonPromotion:
5214 case BlackNonPromotion:
5215 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5217 case WhitePromotion:
5218 case BlackPromotion:
5219 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5220 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5221 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5222 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5223 PieceToChar(WhiteFerz));
5224 else if(gameInfo.variant == VariantGreat)
5225 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5227 PieceToChar(WhiteMan));
5229 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5230 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5236 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5237 ToUpper(PieceToChar((ChessSquare) fromX)),
5238 AAA + toX, ONE + toY);
5240 case IllegalMove: /* could be a variant we don't quite understand */
5241 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5243 case WhiteCapturesEnPassant:
5244 case BlackCapturesEnPassant:
5245 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5246 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5249 SendToICS(user_move);
5250 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5251 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5256 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5257 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5258 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5259 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5260 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5263 if(gameMode != IcsExamining) { // is this ever not the case?
5264 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5266 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5267 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5268 } else { // on FICS we must first go to general examine mode
5269 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5271 if(gameInfo.variant != VariantNormal) {
5272 // try figure out wild number, as xboard names are not always valid on ICS
5273 for(i=1; i<=36; i++) {
5274 snprintf(buf, MSG_SIZ, "wild/%d", i);
5275 if(StringToVariant(buf) == gameInfo.variant) break;
5277 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5278 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5279 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5280 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5281 SendToICS(ics_prefix);
5283 if(startedFromSetupPosition || backwardMostMove != 0) {
5284 fen = PositionToFEN(backwardMostMove, NULL, 1);
5285 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5286 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5288 } else { // FICS: everything has to set by separate bsetup commands
5289 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5290 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5292 if(!WhiteOnMove(backwardMostMove)) {
5293 SendToICS("bsetup tomove black\n");
5295 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5296 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5298 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5299 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5301 i = boards[backwardMostMove][EP_STATUS];
5302 if(i >= 0) { // set e.p.
5303 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5309 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5310 SendToICS("bsetup done\n"); // switch to normal examining.
5312 for(i = backwardMostMove; i<last; i++) {
5314 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5315 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5316 int len = strlen(moveList[i]);
5317 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5318 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5322 SendToICS(ics_prefix);
5323 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5326 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5329 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5331 if (rf == DROP_RANK) {
5332 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5333 sprintf(move, "%c@%c%c\n",
5334 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5336 if (promoChar == 'x' || promoChar == NULLCHAR) {
5337 sprintf(move, "%c%c%c%c\n",
5338 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5339 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5341 sprintf(move, "%c%c%c%c%c\n",
5342 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5348 ProcessICSInitScript (FILE *f)
5352 while (fgets(buf, MSG_SIZ, f)) {
5353 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5360 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5362 static ClickType lastClickType;
5365 Partner (ChessSquare *p)
5366 { // change piece into promotion partner if one shogi-promotes to the other
5367 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5368 ChessSquare partner;
5369 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5370 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5378 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5379 static int toggleFlag;
5380 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5381 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5382 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5383 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5384 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5385 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5387 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5388 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5389 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5390 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5391 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5392 if(!step) step = -1;
5393 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5394 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5395 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5396 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5398 int victim = boards[currentMove][toY][toX];
5399 boards[currentMove][toY][toX] = promoSweep;
5400 DrawPosition(FALSE, boards[currentMove]);
5401 boards[currentMove][toY][toX] = victim;
5403 ChangeDragPiece(promoSweep);
5407 PromoScroll (int x, int y)
5411 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5412 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5413 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5414 if(!step) return FALSE;
5415 lastX = x; lastY = y;
5416 if((promoSweep < BlackPawn) == flipView) step = -step;
5417 if(step > 0) selectFlag = 1;
5418 if(!selectFlag) Sweep(step);
5423 NextPiece (int step)
5425 ChessSquare piece = boards[currentMove][toY][toX];
5428 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5429 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5430 if(!step) step = -1;
5431 } while(PieceToChar(pieceSweep) == '.');
5432 boards[currentMove][toY][toX] = pieceSweep;
5433 DrawPosition(FALSE, boards[currentMove]);
5434 boards[currentMove][toY][toX] = piece;
5436 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5438 AlphaRank (char *move, int n)
5440 // char *p = move, c; int x, y;
5442 if (appData.debugMode) {
5443 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5447 move[2]>='0' && move[2]<='9' &&
5448 move[3]>='a' && move[3]<='x' ) {
5450 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5451 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5453 if(move[0]>='0' && move[0]<='9' &&
5454 move[1]>='a' && move[1]<='x' &&
5455 move[2]>='0' && move[2]<='9' &&
5456 move[3]>='a' && move[3]<='x' ) {
5457 /* input move, Shogi -> normal */
5458 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5459 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5460 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5461 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5464 move[3]>='0' && move[3]<='9' &&
5465 move[2]>='a' && move[2]<='x' ) {
5467 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5468 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5471 move[0]>='a' && move[0]<='x' &&
5472 move[3]>='0' && move[3]<='9' &&
5473 move[2]>='a' && move[2]<='x' ) {
5474 /* output move, normal -> Shogi */
5475 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5476 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5477 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5478 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5479 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5481 if (appData.debugMode) {
5482 fprintf(debugFP, " out = '%s'\n", move);
5486 char yy_textstr[8000];
5488 /* Parser for moves from gnuchess, ICS, or user typein box */
5490 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5492 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5494 switch (*moveType) {
5495 case WhitePromotion:
5496 case BlackPromotion:
5497 case WhiteNonPromotion:
5498 case BlackNonPromotion:
5501 case WhiteCapturesEnPassant:
5502 case BlackCapturesEnPassant:
5503 case WhiteKingSideCastle:
5504 case WhiteQueenSideCastle:
5505 case BlackKingSideCastle:
5506 case BlackQueenSideCastle:
5507 case WhiteKingSideCastleWild:
5508 case WhiteQueenSideCastleWild:
5509 case BlackKingSideCastleWild:
5510 case BlackQueenSideCastleWild:
5511 /* Code added by Tord: */
5512 case WhiteHSideCastleFR:
5513 case WhiteASideCastleFR:
5514 case BlackHSideCastleFR:
5515 case BlackASideCastleFR:
5516 /* End of code added by Tord */
5517 case IllegalMove: /* bug or odd chess variant */
5518 *fromX = currentMoveString[0] - AAA;
5519 *fromY = currentMoveString[1] - ONE;
5520 *toX = currentMoveString[2] - AAA;
5521 *toY = currentMoveString[3] - ONE;
5522 *promoChar = currentMoveString[4];
5523 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5524 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5525 if (appData.debugMode) {
5526 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5528 *fromX = *fromY = *toX = *toY = 0;
5531 if (appData.testLegality) {
5532 return (*moveType != IllegalMove);
5534 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5535 // [HGM] lion: if this is a double move we are less critical
5536 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5541 *fromX = *moveType == WhiteDrop ?
5542 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5543 (int) CharToPiece(ToLower(currentMoveString[0]));
5545 *toX = currentMoveString[2] - AAA;
5546 *toY = currentMoveString[3] - ONE;
5547 *promoChar = NULLCHAR;
5551 case ImpossibleMove:
5561 if (appData.debugMode) {
5562 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5565 *fromX = *fromY = *toX = *toY = 0;
5566 *promoChar = NULLCHAR;
5571 Boolean pushed = FALSE;
5572 char *lastParseAttempt;
5575 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5576 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5577 int fromX, fromY, toX, toY; char promoChar;
5582 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5583 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5584 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5587 endPV = forwardMostMove;
5589 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5590 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5591 lastParseAttempt = pv;
5592 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5593 if(!valid && nr == 0 &&
5594 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5595 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5596 // Hande case where played move is different from leading PV move
5597 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5598 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5599 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5600 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5601 endPV += 2; // if position different, keep this
5602 moveList[endPV-1][0] = fromX + AAA;
5603 moveList[endPV-1][1] = fromY + ONE;
5604 moveList[endPV-1][2] = toX + AAA;
5605 moveList[endPV-1][3] = toY + ONE;
5606 parseList[endPV-1][0] = NULLCHAR;
5607 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5610 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5611 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5612 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5613 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5614 valid++; // allow comments in PV
5618 if(endPV+1 > framePtr) break; // no space, truncate
5621 CopyBoard(boards[endPV], boards[endPV-1]);
5622 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5623 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5624 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5625 CoordsToAlgebraic(boards[endPV - 1],
5626 PosFlags(endPV - 1),
5627 fromY, fromX, toY, toX, promoChar,
5628 parseList[endPV - 1]);
5630 if(atEnd == 2) return; // used hidden, for PV conversion
5631 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5632 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5633 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5634 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5635 DrawPosition(TRUE, boards[currentMove]);
5639 MultiPV (ChessProgramState *cps)
5640 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5642 for(i=0; i<cps->nrOptions; i++)
5643 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5648 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5651 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5653 int startPV, multi, lineStart, origIndex = index;
5654 char *p, buf2[MSG_SIZ];
5655 ChessProgramState *cps = (pane ? &second : &first);
5657 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5658 lastX = x; lastY = y;
5659 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5660 lineStart = startPV = index;
5661 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5662 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5664 do{ while(buf[index] && buf[index] != '\n') index++;
5665 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5667 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5668 int n = cps->option[multi].value;
5669 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5670 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5671 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5672 cps->option[multi].value = n;
5675 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5676 ExcludeClick(origIndex - lineStart);
5678 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5679 Collapse(origIndex - lineStart);
5682 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5683 *start = startPV; *end = index-1;
5684 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5691 static char buf[10*MSG_SIZ];
5692 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5694 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5695 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5696 for(i = forwardMostMove; i<endPV; i++){
5697 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5698 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5701 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5702 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5703 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5709 LoadPV (int x, int y)
5710 { // called on right mouse click to load PV
5711 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5712 lastX = x; lastY = y;
5713 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5721 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5722 if(endPV < 0) return;
5723 if(appData.autoCopyPV) CopyFENToClipboard();
5725 if(extendGame && currentMove > forwardMostMove) {
5726 Boolean saveAnimate = appData.animate;
5728 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5729 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5730 } else storedGames--; // abandon shelved tail of original game
5733 forwardMostMove = currentMove;
5734 currentMove = oldFMM;
5735 appData.animate = FALSE;
5736 ToNrEvent(forwardMostMove);
5737 appData.animate = saveAnimate;
5739 currentMove = forwardMostMove;
5740 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5741 ClearPremoveHighlights();
5742 DrawPosition(TRUE, boards[currentMove]);
5746 MovePV (int x, int y, int h)
5747 { // step through PV based on mouse coordinates (called on mouse move)
5748 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5750 // we must somehow check if right button is still down (might be released off board!)
5751 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5752 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5753 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5755 lastX = x; lastY = y;
5757 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5758 if(endPV < 0) return;
5759 if(y < margin) step = 1; else
5760 if(y > h - margin) step = -1;
5761 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5762 currentMove += step;
5763 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5764 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5765 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5766 DrawPosition(FALSE, boards[currentMove]);
5770 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5771 // All positions will have equal probability, but the current method will not provide a unique
5772 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5778 int piecesLeft[(int)BlackPawn];
5779 int seed, nrOfShuffles;
5782 GetPositionNumber ()
5783 { // sets global variable seed
5786 seed = appData.defaultFrcPosition;
5787 if(seed < 0) { // randomize based on time for negative FRC position numbers
5788 for(i=0; i<50; i++) seed += random();
5789 seed = random() ^ random() >> 8 ^ random() << 8;
5790 if(seed<0) seed = -seed;
5795 put (Board board, int pieceType, int rank, int n, int shade)
5796 // put the piece on the (n-1)-th empty squares of the given shade
5800 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5801 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5802 board[rank][i] = (ChessSquare) pieceType;
5803 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5805 piecesLeft[pieceType]--;
5814 AddOnePiece (Board board, int pieceType, int rank, int shade)
5815 // calculate where the next piece goes, (any empty square), and put it there
5819 i = seed % squaresLeft[shade];
5820 nrOfShuffles *= squaresLeft[shade];
5821 seed /= squaresLeft[shade];
5822 put(board, pieceType, rank, i, shade);
5826 AddTwoPieces (Board board, int pieceType, int rank)
5827 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5829 int i, n=squaresLeft[ANY], j=n-1, k;
5831 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5832 i = seed % k; // pick one
5835 while(i >= j) i -= j--;
5836 j = n - 1 - j; i += j;
5837 put(board, pieceType, rank, j, ANY);
5838 put(board, pieceType, rank, i, ANY);
5842 SetUpShuffle (Board board, int number)
5846 GetPositionNumber(); nrOfShuffles = 1;
5848 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5849 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5850 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5852 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5854 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5855 p = (int) board[0][i];
5856 if(p < (int) BlackPawn) piecesLeft[p] ++;
5857 board[0][i] = EmptySquare;
5860 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5861 // shuffles restricted to allow normal castling put KRR first
5862 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5863 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5864 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5865 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5866 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5867 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5868 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5869 put(board, WhiteRook, 0, 0, ANY);
5870 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5873 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5874 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5875 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5876 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5877 while(piecesLeft[p] >= 2) {
5878 AddOnePiece(board, p, 0, LITE);
5879 AddOnePiece(board, p, 0, DARK);
5881 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5884 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5885 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5886 // but we leave King and Rooks for last, to possibly obey FRC restriction
5887 if(p == (int)WhiteRook) continue;
5888 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5889 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5892 // now everything is placed, except perhaps King (Unicorn) and Rooks
5894 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5895 // Last King gets castling rights
5896 while(piecesLeft[(int)WhiteUnicorn]) {
5897 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5898 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5901 while(piecesLeft[(int)WhiteKing]) {
5902 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5903 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5908 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5909 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5912 // Only Rooks can be left; simply place them all
5913 while(piecesLeft[(int)WhiteRook]) {
5914 i = put(board, WhiteRook, 0, 0, ANY);
5915 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5918 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5920 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5923 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5924 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5927 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5931 SetCharTable (char *table, const char * map)
5932 /* [HGM] moved here from winboard.c because of its general usefulness */
5933 /* Basically a safe strcpy that uses the last character as King */
5935 int result = FALSE; int NrPieces;
5937 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5938 && NrPieces >= 12 && !(NrPieces&1)) {
5939 int i; /* [HGM] Accept even length from 12 to 34 */
5941 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5942 for( i=0; i<NrPieces/2-1; i++ ) {
5944 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5946 table[(int) WhiteKing] = map[NrPieces/2-1];
5947 table[(int) BlackKing] = map[NrPieces-1];
5956 Prelude (Board board)
5957 { // [HGM] superchess: random selection of exo-pieces
5958 int i, j, k; ChessSquare p;
5959 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5961 GetPositionNumber(); // use FRC position number
5963 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5964 SetCharTable(pieceToChar, appData.pieceToCharTable);
5965 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5966 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5969 j = seed%4; seed /= 4;
5970 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5971 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5972 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5973 j = seed%3 + (seed%3 >= j); seed /= 3;
5974 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5975 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5976 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5977 j = seed%3; seed /= 3;
5978 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5979 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5980 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5981 j = seed%2 + (seed%2 >= j); seed /= 2;
5982 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5983 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5984 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5985 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5986 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5987 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5988 put(board, exoPieces[0], 0, 0, ANY);
5989 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5993 InitPosition (int redraw)
5995 ChessSquare (* pieces)[BOARD_FILES];
5996 int i, j, pawnRow=1, pieceRows=1, overrule,
5997 oldx = gameInfo.boardWidth,
5998 oldy = gameInfo.boardHeight,
5999 oldh = gameInfo.holdingsWidth;
6002 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6004 /* [AS] Initialize pv info list [HGM] and game status */
6006 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6007 pvInfoList[i].depth = 0;
6008 boards[i][EP_STATUS] = EP_NONE;
6009 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6012 initialRulePlies = 0; /* 50-move counter start */
6014 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6015 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6019 /* [HGM] logic here is completely changed. In stead of full positions */
6020 /* the initialized data only consist of the two backranks. The switch */
6021 /* selects which one we will use, which is than copied to the Board */
6022 /* initialPosition, which for the rest is initialized by Pawns and */
6023 /* empty squares. This initial position is then copied to boards[0], */
6024 /* possibly after shuffling, so that it remains available. */
6026 gameInfo.holdingsWidth = 0; /* default board sizes */
6027 gameInfo.boardWidth = 8;
6028 gameInfo.boardHeight = 8;
6029 gameInfo.holdingsSize = 0;
6030 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6031 for(i=0; i<BOARD_FILES-2; i++)
6032 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6033 initialPosition[EP_STATUS] = EP_NONE;
6034 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6035 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6036 SetCharTable(pieceNickName, appData.pieceNickNames);
6037 else SetCharTable(pieceNickName, "............");
6040 switch (gameInfo.variant) {
6041 case VariantFischeRandom:
6042 shuffleOpenings = TRUE;
6043 appData.fischerCastling = TRUE;
6046 case VariantShatranj:
6047 pieces = ShatranjArray;
6048 nrCastlingRights = 0;
6049 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6052 pieces = makrukArray;
6053 nrCastlingRights = 0;
6054 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6057 pieces = aseanArray;
6058 nrCastlingRights = 0;
6059 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6061 case VariantTwoKings:
6062 pieces = twoKingsArray;
6065 pieces = GrandArray;
6066 nrCastlingRights = 0;
6067 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6068 gameInfo.boardWidth = 10;
6069 gameInfo.boardHeight = 10;
6070 gameInfo.holdingsSize = 7;
6072 case VariantCapaRandom:
6073 shuffleOpenings = TRUE;
6074 appData.fischerCastling = TRUE;
6075 case VariantCapablanca:
6076 pieces = CapablancaArray;
6077 gameInfo.boardWidth = 10;
6078 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6081 pieces = GothicArray;
6082 gameInfo.boardWidth = 10;
6083 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6086 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6087 gameInfo.holdingsSize = 7;
6088 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6091 pieces = JanusArray;
6092 gameInfo.boardWidth = 10;
6093 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6094 nrCastlingRights = 6;
6095 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6096 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6097 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6098 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6099 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6100 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6103 pieces = FalconArray;
6104 gameInfo.boardWidth = 10;
6105 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6107 case VariantXiangqi:
6108 pieces = XiangqiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 10;
6111 nrCastlingRights = 0;
6112 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6115 pieces = ShogiArray;
6116 gameInfo.boardWidth = 9;
6117 gameInfo.boardHeight = 9;
6118 gameInfo.holdingsSize = 7;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6123 pieces = ChuArray; pieceRows = 3;
6124 gameInfo.boardWidth = 12;
6125 gameInfo.boardHeight = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6128 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6130 case VariantCourier:
6131 pieces = CourierArray;
6132 gameInfo.boardWidth = 12;
6133 nrCastlingRights = 0;
6134 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6136 case VariantKnightmate:
6137 pieces = KnightmateArray;
6138 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6140 case VariantSpartan:
6141 pieces = SpartanArray;
6142 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6146 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6148 case VariantChuChess:
6149 pieces = ChuChessArray;
6150 gameInfo.boardWidth = 10;
6151 gameInfo.boardHeight = 10;
6152 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6155 pieces = fairyArray;
6156 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6159 pieces = GreatArray;
6160 gameInfo.boardWidth = 10;
6161 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6162 gameInfo.holdingsSize = 8;
6166 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6167 gameInfo.holdingsSize = 8;
6168 startedFromSetupPosition = TRUE;
6170 case VariantCrazyhouse:
6171 case VariantBughouse:
6173 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6174 gameInfo.holdingsSize = 5;
6176 case VariantWildCastle:
6178 /* !!?shuffle with kings guaranteed to be on d or e file */
6179 shuffleOpenings = 1;
6181 case VariantNoCastle:
6183 nrCastlingRights = 0;
6184 /* !!?unconstrained back-rank shuffle */
6185 shuffleOpenings = 1;
6190 if(appData.NrFiles >= 0) {
6191 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6192 gameInfo.boardWidth = appData.NrFiles;
6194 if(appData.NrRanks >= 0) {
6195 gameInfo.boardHeight = appData.NrRanks;
6197 if(appData.holdingsSize >= 0) {
6198 i = appData.holdingsSize;
6199 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6200 gameInfo.holdingsSize = i;
6202 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6203 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6204 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6206 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6207 if(pawnRow < 1) pawnRow = 1;
6208 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6209 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6210 if(gameInfo.variant == VariantChu) pawnRow = 3;
6212 /* User pieceToChar list overrules defaults */
6213 if(appData.pieceToCharTable != NULL)
6214 SetCharTable(pieceToChar, appData.pieceToCharTable);
6216 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6218 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6219 s = (ChessSquare) 0; /* account holding counts in guard band */
6220 for( i=0; i<BOARD_HEIGHT; i++ )
6221 initialPosition[i][j] = s;
6223 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6224 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6225 initialPosition[pawnRow][j] = WhitePawn;
6226 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6227 if(gameInfo.variant == VariantXiangqi) {
6229 initialPosition[pawnRow][j] =
6230 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6231 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6232 initialPosition[2][j] = WhiteCannon;
6233 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6237 if(gameInfo.variant == VariantChu) {
6238 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6239 initialPosition[pawnRow+1][j] = WhiteCobra,
6240 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6241 for(i=1; i<pieceRows; i++) {
6242 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6243 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6246 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6247 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6248 initialPosition[0][j] = WhiteRook;
6249 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6252 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6254 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6255 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6258 initialPosition[1][j] = WhiteBishop;
6259 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6261 initialPosition[1][j] = WhiteRook;
6262 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6265 if( nrCastlingRights == -1) {
6266 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6267 /* This sets default castling rights from none to normal corners */
6268 /* Variants with other castling rights must set them themselves above */
6269 nrCastlingRights = 6;
6271 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6272 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6273 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6274 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6275 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6276 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6279 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6280 if(gameInfo.variant == VariantGreat) { // promotion commoners
6281 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6282 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6283 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6284 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6286 if( gameInfo.variant == VariantSChess ) {
6287 initialPosition[1][0] = BlackMarshall;
6288 initialPosition[2][0] = BlackAngel;
6289 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6290 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6291 initialPosition[1][1] = initialPosition[2][1] =
6292 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6294 if (appData.debugMode) {
6295 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6297 if(shuffleOpenings) {
6298 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6299 startedFromSetupPosition = TRUE;
6301 if(startedFromPositionFile) {
6302 /* [HGM] loadPos: use PositionFile for every new game */
6303 CopyBoard(initialPosition, filePosition);
6304 for(i=0; i<nrCastlingRights; i++)
6305 initialRights[i] = filePosition[CASTLING][i];
6306 startedFromSetupPosition = TRUE;
6309 CopyBoard(boards[0], initialPosition);
6311 if(oldx != gameInfo.boardWidth ||
6312 oldy != gameInfo.boardHeight ||
6313 oldv != gameInfo.variant ||
6314 oldh != gameInfo.holdingsWidth
6316 InitDrawingSizes(-2 ,0);
6318 oldv = gameInfo.variant;
6320 DrawPosition(TRUE, boards[currentMove]);
6324 SendBoard (ChessProgramState *cps, int moveNum)
6326 char message[MSG_SIZ];
6328 if (cps->useSetboard) {
6329 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6330 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6331 SendToProgram(message, cps);
6336 int i, j, left=0, right=BOARD_WIDTH;
6337 /* Kludge to set black to move, avoiding the troublesome and now
6338 * deprecated "black" command.
6340 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6341 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6343 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6345 SendToProgram("edit\n", cps);
6346 SendToProgram("#\n", cps);
6347 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6348 bp = &boards[moveNum][i][left];
6349 for (j = left; j < right; j++, bp++) {
6350 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6351 if ((int) *bp < (int) BlackPawn) {
6352 if(j == BOARD_RGHT+1)
6353 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6354 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6355 if(message[0] == '+' || message[0] == '~') {
6356 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6357 PieceToChar((ChessSquare)(DEMOTED *bp)),
6360 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6361 message[1] = BOARD_RGHT - 1 - j + '1';
6362 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6364 SendToProgram(message, cps);
6369 SendToProgram("c\n", cps);
6370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6371 bp = &boards[moveNum][i][left];
6372 for (j = left; j < right; j++, bp++) {
6373 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6374 if (((int) *bp != (int) EmptySquare)
6375 && ((int) *bp >= (int) BlackPawn)) {
6376 if(j == BOARD_LEFT-2)
6377 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6378 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6380 if(message[0] == '+' || message[0] == '~') {
6381 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6382 PieceToChar((ChessSquare)(DEMOTED *bp)),
6385 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6386 message[1] = BOARD_RGHT - 1 - j + '1';
6387 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6389 SendToProgram(message, cps);
6394 SendToProgram(".\n", cps);
6396 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6399 char exclusionHeader[MSG_SIZ];
6400 int exCnt, excludePtr;
6401 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6402 static Exclusion excluTab[200];
6403 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6409 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6410 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6416 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6417 excludePtr = 24; exCnt = 0;
6422 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6423 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6424 char buf[2*MOVE_LEN], *p;
6425 Exclusion *e = excluTab;
6427 for(i=0; i<exCnt; i++)
6428 if(e[i].ff == fromX && e[i].fr == fromY &&
6429 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6430 if(i == exCnt) { // was not in exclude list; add it
6431 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6432 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6433 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6436 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6437 excludePtr++; e[i].mark = excludePtr++;
6438 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6441 exclusionHeader[e[i].mark] = state;
6445 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6446 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6450 if((signed char)promoChar == -1) { // kludge to indicate best move
6451 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6452 return 1; // if unparsable, abort
6454 // update exclusion map (resolving toggle by consulting existing state)
6455 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6457 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6458 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6459 excludeMap[k] |= 1<<j;
6460 else excludeMap[k] &= ~(1<<j);
6462 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6464 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6465 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6467 return (state == '+');
6471 ExcludeClick (int index)
6474 Exclusion *e = excluTab;
6475 if(index < 25) { // none, best or tail clicked
6476 if(index < 13) { // none: include all
6477 WriteMap(0); // clear map
6478 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6479 SendToBoth("include all\n"); // and inform engine
6480 } else if(index > 18) { // tail
6481 if(exclusionHeader[19] == '-') { // tail was excluded
6482 SendToBoth("include all\n");
6483 WriteMap(0); // clear map completely
6484 // now re-exclude selected moves
6485 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6486 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6487 } else { // tail was included or in mixed state
6488 SendToBoth("exclude all\n");
6489 WriteMap(0xFF); // fill map completely
6490 // now re-include selected moves
6491 j = 0; // count them
6492 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6493 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6494 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6497 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6500 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6501 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6502 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6509 DefaultPromoChoice (int white)
6512 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6513 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6514 result = WhiteFerz; // no choice
6515 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6516 result= WhiteKing; // in Suicide Q is the last thing we want
6517 else if(gameInfo.variant == VariantSpartan)
6518 result = white ? WhiteQueen : WhiteAngel;
6519 else result = WhiteQueen;
6520 if(!white) result = WHITE_TO_BLACK result;
6524 static int autoQueen; // [HGM] oneclick
6527 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6529 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6530 /* [HGM] add Shogi promotions */
6531 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6532 ChessSquare piece, partner;
6536 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6537 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6539 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6540 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6543 piece = boards[currentMove][fromY][fromX];
6544 if(gameInfo.variant == VariantChu) {
6545 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6546 promotionZoneSize = BOARD_HEIGHT/3;
6547 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6548 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6549 promotionZoneSize = BOARD_HEIGHT/3;
6550 highestPromotingPiece = (int)WhiteAlfil;
6551 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6552 promotionZoneSize = 3;
6555 // Treat Lance as Pawn when it is not representing Amazon or Lance
6556 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6557 if(piece == WhiteLance) piece = WhitePawn; else
6558 if(piece == BlackLance) piece = BlackPawn;
6561 // next weed out all moves that do not touch the promotion zone at all
6562 if((int)piece >= BlackPawn) {
6563 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6565 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6566 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6568 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6569 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6570 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6574 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6576 // weed out mandatory Shogi promotions
6577 if(gameInfo.variant == VariantShogi) {
6578 if(piece >= BlackPawn) {
6579 if(toY == 0 && piece == BlackPawn ||
6580 toY == 0 && piece == BlackQueen ||
6581 toY <= 1 && piece == BlackKnight) {
6586 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6587 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6588 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6595 // weed out obviously illegal Pawn moves
6596 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6597 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6598 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6599 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6600 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6601 // note we are not allowed to test for valid (non-)capture, due to premove
6604 // we either have a choice what to promote to, or (in Shogi) whether to promote
6605 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6606 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6607 ChessSquare p=BlackFerz; // no choice
6608 while(p < EmptySquare) { //but make sure we use piece that exists
6609 *promoChoice = PieceToChar(p++);
6610 if(*promoChoice != '.') break;
6614 // no sense asking what we must promote to if it is going to explode...
6615 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6616 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6619 // give caller the default choice even if we will not make it
6620 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6621 partner = piece; // pieces can promote if the pieceToCharTable says so
6622 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6623 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6624 if( sweepSelect && gameInfo.variant != VariantGreat
6625 && gameInfo.variant != VariantGrand
6626 && gameInfo.variant != VariantSuper) return FALSE;
6627 if(autoQueen) return FALSE; // predetermined
6629 // suppress promotion popup on illegal moves that are not premoves
6630 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6631 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6632 if(appData.testLegality && !premove) {
6633 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6634 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6635 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6636 if(moveType != WhitePromotion && moveType != BlackPromotion)
6644 InPalace (int row, int column)
6645 { /* [HGM] for Xiangqi */
6646 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6647 column < (BOARD_WIDTH + 4)/2 &&
6648 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6653 PieceForSquare (int x, int y)
6655 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6658 return boards[currentMove][y][x];
6662 OKToStartUserMove (int x, int y)
6664 ChessSquare from_piece;
6667 if (matchMode) return FALSE;
6668 if (gameMode == EditPosition) return TRUE;
6670 if (x >= 0 && y >= 0)
6671 from_piece = boards[currentMove][y][x];
6673 from_piece = EmptySquare;
6675 if (from_piece == EmptySquare) return FALSE;
6677 white_piece = (int)from_piece >= (int)WhitePawn &&
6678 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6682 case TwoMachinesPlay:
6690 case MachinePlaysWhite:
6691 case IcsPlayingBlack:
6692 if (appData.zippyPlay) return FALSE;
6694 DisplayMoveError(_("You are playing Black"));
6699 case MachinePlaysBlack:
6700 case IcsPlayingWhite:
6701 if (appData.zippyPlay) return FALSE;
6703 DisplayMoveError(_("You are playing White"));
6708 case PlayFromGameFile:
6709 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6711 if (!white_piece && WhiteOnMove(currentMove)) {
6712 DisplayMoveError(_("It is White's turn"));
6715 if (white_piece && !WhiteOnMove(currentMove)) {
6716 DisplayMoveError(_("It is Black's turn"));
6719 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6720 /* Editing correspondence game history */
6721 /* Could disallow this or prompt for confirmation */
6726 case BeginningOfGame:
6727 if (appData.icsActive) return FALSE;
6728 if (!appData.noChessProgram) {
6730 DisplayMoveError(_("You are playing White"));
6737 if (!white_piece && WhiteOnMove(currentMove)) {
6738 DisplayMoveError(_("It is White's turn"));
6741 if (white_piece && !WhiteOnMove(currentMove)) {
6742 DisplayMoveError(_("It is Black's turn"));
6751 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6752 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6753 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6754 && gameMode != AnalyzeFile && gameMode != Training) {
6755 DisplayMoveError(_("Displayed position is not current"));
6762 OnlyMove (int *x, int *y, Boolean captures)
6764 DisambiguateClosure cl;
6765 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6767 case MachinePlaysBlack:
6768 case IcsPlayingWhite:
6769 case BeginningOfGame:
6770 if(!WhiteOnMove(currentMove)) return FALSE;
6772 case MachinePlaysWhite:
6773 case IcsPlayingBlack:
6774 if(WhiteOnMove(currentMove)) return FALSE;
6781 cl.pieceIn = EmptySquare;
6786 cl.promoCharIn = NULLCHAR;
6787 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6788 if( cl.kind == NormalMove ||
6789 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6790 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6791 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6798 if(cl.kind != ImpossibleMove) return FALSE;
6799 cl.pieceIn = EmptySquare;
6804 cl.promoCharIn = NULLCHAR;
6805 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6806 if( cl.kind == NormalMove ||
6807 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6808 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6809 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6814 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6820 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6821 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6822 int lastLoadGameUseList = FALSE;
6823 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6824 ChessMove lastLoadGameStart = EndOfFile;
6826 Boolean addToBookFlag;
6829 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6833 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6835 /* Check if the user is playing in turn. This is complicated because we
6836 let the user "pick up" a piece before it is his turn. So the piece he
6837 tried to pick up may have been captured by the time he puts it down!
6838 Therefore we use the color the user is supposed to be playing in this
6839 test, not the color of the piece that is currently on the starting
6840 square---except in EditGame mode, where the user is playing both
6841 sides; fortunately there the capture race can't happen. (It can
6842 now happen in IcsExamining mode, but that's just too bad. The user
6843 will get a somewhat confusing message in that case.)
6848 case TwoMachinesPlay:
6852 /* We switched into a game mode where moves are not accepted,
6853 perhaps while the mouse button was down. */
6856 case MachinePlaysWhite:
6857 /* User is moving for Black */
6858 if (WhiteOnMove(currentMove)) {
6859 DisplayMoveError(_("It is White's turn"));
6864 case MachinePlaysBlack:
6865 /* User is moving for White */
6866 if (!WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6872 case PlayFromGameFile:
6873 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6876 case BeginningOfGame:
6879 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6880 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6881 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6882 /* User is moving for Black */
6883 if (WhiteOnMove(currentMove)) {
6884 DisplayMoveError(_("It is White's turn"));
6888 /* User is moving for White */
6889 if (!WhiteOnMove(currentMove)) {
6890 DisplayMoveError(_("It is Black's turn"));
6896 case IcsPlayingBlack:
6897 /* User is moving for Black */
6898 if (WhiteOnMove(currentMove)) {
6899 if (!appData.premove) {
6900 DisplayMoveError(_("It is White's turn"));
6901 } else if (toX >= 0 && toY >= 0) {
6904 premoveFromX = fromX;
6905 premoveFromY = fromY;
6906 premovePromoChar = promoChar;
6908 if (appData.debugMode)
6909 fprintf(debugFP, "Got premove: fromX %d,"
6910 "fromY %d, toX %d, toY %d\n",
6911 fromX, fromY, toX, toY);
6917 case IcsPlayingWhite:
6918 /* User is moving for White */
6919 if (!WhiteOnMove(currentMove)) {
6920 if (!appData.premove) {
6921 DisplayMoveError(_("It is Black's turn"));
6922 } else if (toX >= 0 && toY >= 0) {
6925 premoveFromX = fromX;
6926 premoveFromY = fromY;
6927 premovePromoChar = promoChar;
6929 if (appData.debugMode)
6930 fprintf(debugFP, "Got premove: fromX %d,"
6931 "fromY %d, toX %d, toY %d\n",
6932 fromX, fromY, toX, toY);
6942 /* EditPosition, empty square, or different color piece;
6943 click-click move is possible */
6944 if (toX == -2 || toY == -2) {
6945 boards[0][fromY][fromX] = EmptySquare;
6946 DrawPosition(FALSE, boards[currentMove]);
6948 } else if (toX >= 0 && toY >= 0) {
6949 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6950 ChessSquare q, p = boards[0][rf][ff];
6951 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6952 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6953 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6954 if(PieceToChar(q) == '+') gatingPiece = p;
6956 boards[0][toY][toX] = boards[0][fromY][fromX];
6957 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6958 if(boards[0][fromY][0] != EmptySquare) {
6959 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6960 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6963 if(fromX == BOARD_RGHT+1) {
6964 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6965 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6966 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6969 boards[0][fromY][fromX] = gatingPiece;
6970 DrawPosition(FALSE, boards[currentMove]);
6976 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6977 pup = boards[currentMove][toY][toX];
6979 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6980 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6981 if( pup != EmptySquare ) return;
6982 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6983 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6984 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6985 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6986 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6987 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6988 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6992 /* [HGM] always test for legality, to get promotion info */
6993 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6994 fromY, fromX, toY, toX, promoChar);
6996 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
6998 /* [HGM] but possibly ignore an IllegalMove result */
6999 if (appData.testLegality) {
7000 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7001 DisplayMoveError(_("Illegal move"));
7006 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7007 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7008 ClearPremoveHighlights(); // was included
7009 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7013 if(addToBookFlag) { // adding moves to book
7014 char buf[MSG_SIZ], move[MSG_SIZ];
7015 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7016 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7018 addToBookFlag = FALSE;
7023 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7026 /* Common tail of UserMoveEvent and DropMenuEvent */
7028 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7032 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7033 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7034 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7035 if(WhiteOnMove(currentMove)) {
7036 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7038 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7042 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7043 move type in caller when we know the move is a legal promotion */
7044 if(moveType == NormalMove && promoChar)
7045 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7047 /* [HGM] <popupFix> The following if has been moved here from
7048 UserMoveEvent(). Because it seemed to belong here (why not allow
7049 piece drops in training games?), and because it can only be
7050 performed after it is known to what we promote. */
7051 if (gameMode == Training) {
7052 /* compare the move played on the board to the next move in the
7053 * game. If they match, display the move and the opponent's response.
7054 * If they don't match, display an error message.
7058 CopyBoard(testBoard, boards[currentMove]);
7059 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7061 if (CompareBoards(testBoard, boards[currentMove+1])) {
7062 ForwardInner(currentMove+1);
7064 /* Autoplay the opponent's response.
7065 * if appData.animate was TRUE when Training mode was entered,
7066 * the response will be animated.
7068 saveAnimate = appData.animate;
7069 appData.animate = animateTraining;
7070 ForwardInner(currentMove+1);
7071 appData.animate = saveAnimate;
7073 /* check for the end of the game */
7074 if (currentMove >= forwardMostMove) {
7075 gameMode = PlayFromGameFile;
7077 SetTrainingModeOff();
7078 DisplayInformation(_("End of game"));
7081 DisplayError(_("Incorrect move"), 0);
7086 /* Ok, now we know that the move is good, so we can kill
7087 the previous line in Analysis Mode */
7088 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7089 && currentMove < forwardMostMove) {
7090 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7091 else forwardMostMove = currentMove;
7096 /* If we need the chess program but it's dead, restart it */
7097 ResurrectChessProgram();
7099 /* A user move restarts a paused game*/
7103 thinkOutput[0] = NULLCHAR;
7105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7107 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7108 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7112 if (gameMode == BeginningOfGame) {
7113 if (appData.noChessProgram) {
7114 gameMode = EditGame;
7118 gameMode = MachinePlaysBlack;
7121 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7123 if (first.sendName) {
7124 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7125 SendToProgram(buf, &first);
7132 /* Relay move to ICS or chess engine */
7133 if (appData.icsActive) {
7134 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7135 gameMode == IcsExamining) {
7136 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7137 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7139 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7141 // also send plain move, in case ICS does not understand atomic claims
7142 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7146 if (first.sendTime && (gameMode == BeginningOfGame ||
7147 gameMode == MachinePlaysWhite ||
7148 gameMode == MachinePlaysBlack)) {
7149 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7151 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7152 // [HGM] book: if program might be playing, let it use book
7153 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7154 first.maybeThinking = TRUE;
7155 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7156 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7157 SendBoard(&first, currentMove+1);
7158 if(second.analyzing) {
7159 if(!second.useSetboard) SendToProgram("undo\n", &second);
7160 SendBoard(&second, currentMove+1);
7163 SendMoveToProgram(forwardMostMove-1, &first);
7164 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7166 if (currentMove == cmailOldMove + 1) {
7167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7171 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7175 if(appData.testLegality)
7176 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7182 if (WhiteOnMove(currentMove)) {
7183 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7185 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7189 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7194 case MachinePlaysBlack:
7195 case MachinePlaysWhite:
7196 /* disable certain menu options while machine is thinking */
7197 SetMachineThinkingEnables();
7204 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7205 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7207 if(bookHit) { // [HGM] book: simulate book reply
7208 static char bookMove[MSG_SIZ]; // a bit generous?
7210 programStats.nodes = programStats.depth = programStats.time =
7211 programStats.score = programStats.got_only_move = 0;
7212 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7214 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7215 strcat(bookMove, bookHit);
7216 HandleMachineMove(bookMove, &first);
7222 MarkByFEN(char *fen)
7225 if(!appData.markers || !appData.highlightDragging) return;
7226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7227 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7231 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7232 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7233 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7234 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7235 if(*fen == 'T') marker[r][f++] = 0; else
7236 if(*fen == 'Y') marker[r][f++] = 1; else
7237 if(*fen == 'G') marker[r][f++] = 3; else
7238 if(*fen == 'B') marker[r][f++] = 4; else
7239 if(*fen == 'C') marker[r][f++] = 5; else
7240 if(*fen == 'M') marker[r][f++] = 6; else
7241 if(*fen == 'W') marker[r][f++] = 7; else
7242 if(*fen == 'D') marker[r][f++] = 8; else
7243 if(*fen == 'R') marker[r][f++] = 2; else {
7244 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7247 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7251 DrawPosition(TRUE, NULL);
7254 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7257 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7259 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7260 Markers *m = (Markers *) closure;
7261 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7262 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7263 || kind == WhiteCapturesEnPassant
7264 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7265 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7268 static int hoverSavedValid;
7271 MarkTargetSquares (int clear)
7274 if(clear) { // no reason to ever suppress clearing
7275 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7276 hoverSavedValid = 0;
7277 if(!sum) return; // nothing was cleared,no redraw needed
7280 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7281 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7282 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7283 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7284 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7286 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7289 DrawPosition(FALSE, NULL);
7293 Explode (Board board, int fromX, int fromY, int toX, int toY)
7295 if(gameInfo.variant == VariantAtomic &&
7296 (board[toY][toX] != EmptySquare || // capture?
7297 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7298 board[fromY][fromX] == BlackPawn )
7300 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7306 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7309 CanPromote (ChessSquare piece, int y)
7311 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7312 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7313 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7314 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7315 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7316 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7317 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7318 return (piece == BlackPawn && y <= zone ||
7319 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7320 piece == BlackLance && y == 1 ||
7321 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7325 HoverEvent (int xPix, int yPix, int x, int y)
7327 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7329 if(!first.highlight) return;
7330 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7331 if(x == oldX && y == oldY) return; // only do something if we enter new square
7332 oldFromX = fromX; oldFromY = fromY;
7333 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7334 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7335 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7336 hoverSavedValid = 1;
7337 } else if(oldX != x || oldY != y) {
7338 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7339 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7341 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7342 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7344 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7345 SendToProgram(buf, &first);
7348 // SetHighlights(fromX, fromY, x, y);
7352 void ReportClick(char *action, int x, int y)
7354 char buf[MSG_SIZ]; // Inform engine of what user does
7356 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7357 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7358 if(!first.highlight || gameMode == EditPosition) return;
7359 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7360 SendToProgram(buf, &first);
7364 LeftClick (ClickType clickType, int xPix, int yPix)
7367 Boolean saveAnimate;
7368 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7369 char promoChoice = NULLCHAR;
7371 static TimeMark lastClickTime, prevClickTime;
7373 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7375 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7377 if (clickType == Press) ErrorPopDown();
7378 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7380 x = EventToSquare(xPix, BOARD_WIDTH);
7381 y = EventToSquare(yPix, BOARD_HEIGHT);
7382 if (!flipView && y >= 0) {
7383 y = BOARD_HEIGHT - 1 - y;
7385 if (flipView && x >= 0) {
7386 x = BOARD_WIDTH - 1 - x;
7389 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7390 defaultPromoChoice = promoSweep;
7391 promoSweep = EmptySquare; // terminate sweep
7392 promoDefaultAltered = TRUE;
7393 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7396 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7397 if(clickType == Release) return; // ignore upclick of click-click destination
7398 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7399 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7400 if(gameInfo.holdingsWidth &&
7401 (WhiteOnMove(currentMove)
7402 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7403 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7404 // click in right holdings, for determining promotion piece
7405 ChessSquare p = boards[currentMove][y][x];
7406 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7407 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7408 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7409 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7414 DrawPosition(FALSE, boards[currentMove]);
7418 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7419 if(clickType == Press
7420 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7421 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7422 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7425 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7426 // could be static click on premove from-square: abort premove
7428 ClearPremoveHighlights();
7431 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7432 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7434 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7435 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7436 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7437 defaultPromoChoice = DefaultPromoChoice(side);
7440 autoQueen = appData.alwaysPromoteToQueen;
7444 gatingPiece = EmptySquare;
7445 if (clickType != Press) {
7446 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7447 DragPieceEnd(xPix, yPix); dragging = 0;
7448 DrawPosition(FALSE, NULL);
7452 doubleClick = FALSE;
7453 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7454 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7456 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7457 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7458 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7459 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7461 if (OKToStartUserMove(fromX, fromY)) {
7463 ReportClick("lift", x, y);
7464 MarkTargetSquares(0);
7465 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7466 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7467 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7468 promoSweep = defaultPromoChoice;
7469 selectFlag = 0; lastX = xPix; lastY = yPix;
7470 Sweep(0); // Pawn that is going to promote: preview promotion piece
7471 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7473 if (appData.highlightDragging) {
7474 SetHighlights(fromX, fromY, -1, -1);
7478 } else fromX = fromY = -1;
7484 if (clickType == Press && gameMode != EditPosition) {
7489 // ignore off-board to clicks
7490 if(y < 0 || x < 0) return;
7492 /* Check if clicking again on the same color piece */
7493 fromP = boards[currentMove][fromY][fromX];
7494 toP = boards[currentMove][y][x];
7495 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7496 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7497 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7498 WhitePawn <= toP && toP <= WhiteKing &&
7499 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7500 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7501 (BlackPawn <= fromP && fromP <= BlackKing &&
7502 BlackPawn <= toP && toP <= BlackKing &&
7503 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7504 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7505 /* Clicked again on same color piece -- changed his mind */
7506 second = (x == fromX && y == fromY);
7508 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7509 second = FALSE; // first double-click rather than scond click
7510 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7512 promoDefaultAltered = FALSE;
7513 MarkTargetSquares(1);
7514 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7515 if (appData.highlightDragging) {
7516 SetHighlights(x, y, -1, -1);
7520 if (OKToStartUserMove(x, y)) {
7521 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7522 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7523 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7524 gatingPiece = boards[currentMove][fromY][fromX];
7525 else gatingPiece = doubleClick ? fromP : EmptySquare;
7527 fromY = y; dragging = 1;
7528 ReportClick("lift", x, y);
7529 MarkTargetSquares(0);
7530 DragPieceBegin(xPix, yPix, FALSE);
7531 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7532 promoSweep = defaultPromoChoice;
7533 selectFlag = 0; lastX = xPix; lastY = yPix;
7534 Sweep(0); // Pawn that is going to promote: preview promotion piece
7538 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7541 // ignore clicks on holdings
7542 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7545 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7546 DragPieceEnd(xPix, yPix); dragging = 0;
7548 // a deferred attempt to click-click move an empty square on top of a piece
7549 boards[currentMove][y][x] = EmptySquare;
7551 DrawPosition(FALSE, boards[currentMove]);
7552 fromX = fromY = -1; clearFlag = 0;
7555 if (appData.animateDragging) {
7556 /* Undo animation damage if any */
7557 DrawPosition(FALSE, NULL);
7559 if (second || sweepSelecting) {
7560 /* Second up/down in same square; just abort move */
7561 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7562 second = sweepSelecting = 0;
7564 gatingPiece = EmptySquare;
7565 MarkTargetSquares(1);
7568 ClearPremoveHighlights();
7570 /* First upclick in same square; start click-click mode */
7571 SetHighlights(x, y, -1, -1);
7578 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7579 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7580 DisplayMessage(_("only marked squares are legal"),"");
7581 DrawPosition(TRUE, NULL);
7582 return; // ignore to-click
7585 /* we now have a different from- and (possibly off-board) to-square */
7586 /* Completed move */
7587 if(!sweepSelecting) {
7592 piece = boards[currentMove][fromY][fromX];
7594 saveAnimate = appData.animate;
7595 if (clickType == Press) {
7596 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7597 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7598 // must be Edit Position mode with empty-square selected
7599 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7600 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7603 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7606 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7607 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7609 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7610 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7611 if(appData.sweepSelect) {
7612 promoSweep = defaultPromoChoice;
7613 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7614 selectFlag = 0; lastX = xPix; lastY = yPix;
7615 Sweep(0); // Pawn that is going to promote: preview promotion piece
7617 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7618 MarkTargetSquares(1);
7620 return; // promo popup appears on up-click
7622 /* Finish clickclick move */
7623 if (appData.animate || appData.highlightLastMove) {
7624 SetHighlights(fromX, fromY, toX, toY);
7628 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7629 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7630 if (appData.animate || appData.highlightLastMove) {
7631 SetHighlights(fromX, fromY, toX, toY);
7637 // [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
7638 /* Finish drag move */
7639 if (appData.highlightLastMove) {
7640 SetHighlights(fromX, fromY, toX, toY);
7645 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7646 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7647 dragging *= 2; // flag button-less dragging if we are dragging
7648 MarkTargetSquares(1);
7649 if(x == killX && y == killY) killX = killY = -1; else {
7650 killX = x; killY = y; //remeber this square as intermediate
7651 ReportClick("put", x, y); // and inform engine
7652 ReportClick("lift", x, y);
7653 MarkTargetSquares(0);
7657 DragPieceEnd(xPix, yPix); dragging = 0;
7658 /* Don't animate move and drag both */
7659 appData.animate = FALSE;
7662 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7663 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7664 ChessSquare piece = boards[currentMove][fromY][fromX];
7665 if(gameMode == EditPosition && piece != EmptySquare &&
7666 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7669 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7670 n = PieceToNumber(piece - (int)BlackPawn);
7671 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7672 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7673 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7675 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7676 n = PieceToNumber(piece);
7677 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7678 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7679 boards[currentMove][n][BOARD_WIDTH-2]++;
7681 boards[currentMove][fromY][fromX] = EmptySquare;
7685 MarkTargetSquares(1);
7686 DrawPosition(TRUE, boards[currentMove]);
7690 // off-board moves should not be highlighted
7691 if(x < 0 || y < 0) ClearHighlights();
7692 else ReportClick("put", x, y);
7694 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7696 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7697 SetHighlights(fromX, fromY, toX, toY);
7698 MarkTargetSquares(1);
7699 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7700 // [HGM] super: promotion to captured piece selected from holdings
7701 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7702 promotionChoice = TRUE;
7703 // kludge follows to temporarily execute move on display, without promoting yet
7704 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7705 boards[currentMove][toY][toX] = p;
7706 DrawPosition(FALSE, boards[currentMove]);
7707 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7708 boards[currentMove][toY][toX] = q;
7709 DisplayMessage("Click in holdings to choose piece", "");
7712 PromotionPopUp(promoChoice);
7714 int oldMove = currentMove;
7715 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7716 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7717 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7718 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7719 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7720 DrawPosition(TRUE, boards[currentMove]);
7721 MarkTargetSquares(1);
7724 appData.animate = saveAnimate;
7725 if (appData.animate || appData.animateDragging) {
7726 /* Undo animation damage if needed */
7727 DrawPosition(FALSE, NULL);
7732 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7733 { // front-end-free part taken out of PieceMenuPopup
7734 int whichMenu; int xSqr, ySqr;
7736 if(seekGraphUp) { // [HGM] seekgraph
7737 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7738 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7742 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7743 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7744 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7745 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7746 if(action == Press) {
7747 originalFlip = flipView;
7748 flipView = !flipView; // temporarily flip board to see game from partners perspective
7749 DrawPosition(TRUE, partnerBoard);
7750 DisplayMessage(partnerStatus, "");
7752 } else if(action == Release) {
7753 flipView = originalFlip;
7754 DrawPosition(TRUE, boards[currentMove]);
7760 xSqr = EventToSquare(x, BOARD_WIDTH);
7761 ySqr = EventToSquare(y, BOARD_HEIGHT);
7762 if (action == Release) {
7763 if(pieceSweep != EmptySquare) {
7764 EditPositionMenuEvent(pieceSweep, toX, toY);
7765 pieceSweep = EmptySquare;
7766 } else UnLoadPV(); // [HGM] pv
7768 if (action != Press) return -2; // return code to be ignored
7771 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7773 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7774 if (xSqr < 0 || ySqr < 0) return -1;
7775 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7776 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7777 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7778 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7782 if(!appData.icsEngineAnalyze) return -1;
7783 case IcsPlayingWhite:
7784 case IcsPlayingBlack:
7785 if(!appData.zippyPlay) goto noZip;
7788 case MachinePlaysWhite:
7789 case MachinePlaysBlack:
7790 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7791 if (!appData.dropMenu) {
7793 return 2; // flag front-end to grab mouse events
7795 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7796 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7799 if (xSqr < 0 || ySqr < 0) return -1;
7800 if (!appData.dropMenu || appData.testLegality &&
7801 gameInfo.variant != VariantBughouse &&
7802 gameInfo.variant != VariantCrazyhouse) return -1;
7803 whichMenu = 1; // drop menu
7809 if (((*fromX = xSqr) < 0) ||
7810 ((*fromY = ySqr) < 0)) {
7811 *fromX = *fromY = -1;
7815 *fromX = BOARD_WIDTH - 1 - *fromX;
7817 *fromY = BOARD_HEIGHT - 1 - *fromY;
7823 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7825 // char * hint = lastHint;
7826 FrontEndProgramStats stats;
7828 stats.which = cps == &first ? 0 : 1;
7829 stats.depth = cpstats->depth;
7830 stats.nodes = cpstats->nodes;
7831 stats.score = cpstats->score;
7832 stats.time = cpstats->time;
7833 stats.pv = cpstats->movelist;
7834 stats.hint = lastHint;
7835 stats.an_move_index = 0;
7836 stats.an_move_count = 0;
7838 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7839 stats.hint = cpstats->move_name;
7840 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7841 stats.an_move_count = cpstats->nr_moves;
7844 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
7846 SetProgramStats( &stats );
7850 ClearEngineOutputPane (int which)
7852 static FrontEndProgramStats dummyStats;
7853 dummyStats.which = which;
7854 dummyStats.pv = "#";
7855 SetProgramStats( &dummyStats );
7858 #define MAXPLAYERS 500
7861 TourneyStandings (int display)
7863 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7864 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7865 char result, *p, *names[MAXPLAYERS];
7867 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7868 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7869 names[0] = p = strdup(appData.participants);
7870 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7872 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7874 while(result = appData.results[nr]) {
7875 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7876 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7877 wScore = bScore = 0;
7879 case '+': wScore = 2; break;
7880 case '-': bScore = 2; break;
7881 case '=': wScore = bScore = 1; break;
7883 case '*': return strdup("busy"); // tourney not finished
7891 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7892 for(w=0; w<nPlayers; w++) {
7894 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7895 ranking[w] = b; points[w] = bScore; score[b] = -2;
7897 p = malloc(nPlayers*34+1);
7898 for(w=0; w<nPlayers && w<display; w++)
7899 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7905 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7906 { // count all piece types
7908 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7909 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7910 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7913 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7914 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7915 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7916 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7917 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7918 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7923 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7925 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7926 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7928 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7929 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7930 if(myPawns == 2 && nMine == 3) // KPP
7931 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7932 if(myPawns == 1 && nMine == 2) // KP
7933 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7934 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7935 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7936 if(myPawns) return FALSE;
7937 if(pCnt[WhiteRook+side])
7938 return pCnt[BlackRook-side] ||
7939 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7940 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7941 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7942 if(pCnt[WhiteCannon+side]) {
7943 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7944 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7946 if(pCnt[WhiteKnight+side])
7947 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7952 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7954 VariantClass v = gameInfo.variant;
7956 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7957 if(v == VariantShatranj) return TRUE; // always winnable through baring
7958 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7959 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7961 if(v == VariantXiangqi) {
7962 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7964 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7965 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7966 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7967 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7968 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7969 if(stale) // we have at least one last-rank P plus perhaps C
7970 return majors // KPKX
7971 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7973 return pCnt[WhiteFerz+side] // KCAK
7974 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7975 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7976 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7978 } else if(v == VariantKnightmate) {
7979 if(nMine == 1) return FALSE;
7980 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7981 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7982 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7984 if(nMine == 1) return FALSE; // bare King
7985 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
7986 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7987 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7988 // by now we have King + 1 piece (or multiple Bishops on the same color)
7989 if(pCnt[WhiteKnight+side])
7990 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7991 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7992 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7994 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7995 if(pCnt[WhiteAlfil+side])
7996 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7997 if(pCnt[WhiteWazir+side])
7998 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8005 CompareWithRights (Board b1, Board b2)
8008 if(!CompareBoards(b1, b2)) return FALSE;
8009 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8010 /* compare castling rights */
8011 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8012 rights++; /* King lost rights, while rook still had them */
8013 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8014 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8015 rights++; /* but at least one rook lost them */
8017 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8019 if( b1[CASTLING][5] != NoRights ) {
8020 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8027 Adjudicate (ChessProgramState *cps)
8028 { // [HGM] some adjudications useful with buggy engines
8029 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8030 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8031 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8032 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8033 int k, drop, count = 0; static int bare = 1;
8034 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8035 Boolean canAdjudicate = !appData.icsActive;
8037 // most tests only when we understand the game, i.e. legality-checking on
8038 if( appData.testLegality )
8039 { /* [HGM] Some more adjudications for obstinate engines */
8040 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8041 static int moveCount = 6;
8043 char *reason = NULL;
8045 /* Count what is on board. */
8046 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8048 /* Some material-based adjudications that have to be made before stalemate test */
8049 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8050 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8051 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8052 if(canAdjudicate && appData.checkMates) {
8054 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8055 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8056 "Xboard adjudication: King destroyed", GE_XBOARD );
8061 /* Bare King in Shatranj (loses) or Losers (wins) */
8062 if( nrW == 1 || nrB == 1) {
8063 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8064 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8065 if(canAdjudicate && appData.checkMates) {
8067 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8068 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8069 "Xboard adjudication: Bare king", GE_XBOARD );
8073 if( gameInfo.variant == VariantShatranj && --bare < 0)
8075 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8076 if(canAdjudicate && appData.checkMates) {
8077 /* but only adjudicate if adjudication enabled */
8079 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8080 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8081 "Xboard adjudication: Bare king", GE_XBOARD );
8088 // don't wait for engine to announce game end if we can judge ourselves
8089 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8091 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8092 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8093 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8094 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8097 reason = "Xboard adjudication: 3rd check";
8098 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8109 reason = "Xboard adjudication: Stalemate";
8110 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8111 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8112 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8113 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8114 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8115 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8116 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8117 EP_CHECKMATE : EP_WINS);
8118 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8119 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8123 reason = "Xboard adjudication: Checkmate";
8124 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8125 if(gameInfo.variant == VariantShogi) {
8126 if(forwardMostMove > backwardMostMove
8127 && moveList[forwardMostMove-1][1] == '@'
8128 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8129 reason = "XBoard adjudication: pawn-drop mate";
8130 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8136 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8138 result = GameIsDrawn; break;
8140 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8142 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8146 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8148 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8149 GameEnds( result, reason, GE_XBOARD );
8153 /* Next absolutely insufficient mating material. */
8154 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8155 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8156 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8158 /* always flag draws, for judging claims */
8159 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8161 if(canAdjudicate && appData.materialDraws) {
8162 /* but only adjudicate them if adjudication enabled */
8163 if(engineOpponent) {
8164 SendToProgram("force\n", engineOpponent); // suppress reply
8165 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8167 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8172 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8173 if(gameInfo.variant == VariantXiangqi ?
8174 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8176 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8177 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8178 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8179 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8181 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8182 { /* if the first 3 moves do not show a tactical win, declare draw */
8183 if(engineOpponent) {
8184 SendToProgram("force\n", engineOpponent); // suppress reply
8185 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8187 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8190 } else moveCount = 6;
8193 // Repetition draws and 50-move rule can be applied independently of legality testing
8195 /* Check for rep-draws */
8197 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8198 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8199 for(k = forwardMostMove-2;
8200 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8201 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8202 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8205 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8206 /* compare castling rights */
8207 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8208 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8209 rights++; /* King lost rights, while rook still had them */
8210 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8211 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8212 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8213 rights++; /* but at least one rook lost them */
8215 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8216 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8218 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8219 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8220 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8223 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8224 && appData.drawRepeats > 1) {
8225 /* adjudicate after user-specified nr of repeats */
8226 int result = GameIsDrawn;
8227 char *details = "XBoard adjudication: repetition draw";
8228 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8229 // [HGM] xiangqi: check for forbidden perpetuals
8230 int m, ourPerpetual = 1, hisPerpetual = 1;
8231 for(m=forwardMostMove; m>k; m-=2) {
8232 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8233 ourPerpetual = 0; // the current mover did not always check
8234 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8235 hisPerpetual = 0; // the opponent did not always check
8237 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8238 ourPerpetual, hisPerpetual);
8239 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8240 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8241 details = "Xboard adjudication: perpetual checking";
8243 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8244 break; // (or we would have caught him before). Abort repetition-checking loop.
8246 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8247 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8249 details = "Xboard adjudication: repetition";
8251 } else // it must be XQ
8252 // Now check for perpetual chases
8253 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8254 hisPerpetual = PerpetualChase(k, forwardMostMove);
8255 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8256 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8257 static char resdet[MSG_SIZ];
8258 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8260 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8262 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8263 break; // Abort repetition-checking loop.
8265 // if neither of us is checking or chasing all the time, or both are, it is draw
8267 if(engineOpponent) {
8268 SendToProgram("force\n", engineOpponent); // suppress reply
8269 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8271 GameEnds( result, details, GE_XBOARD );
8274 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8275 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8279 /* Now we test for 50-move draws. Determine ply count */
8280 count = forwardMostMove;
8281 /* look for last irreversble move */
8282 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8284 /* if we hit starting position, add initial plies */
8285 if( count == backwardMostMove )
8286 count -= initialRulePlies;
8287 count = forwardMostMove - count;
8288 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8289 // adjust reversible move counter for checks in Xiangqi
8290 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8291 if(i < backwardMostMove) i = backwardMostMove;
8292 while(i <= forwardMostMove) {
8293 lastCheck = inCheck; // check evasion does not count
8294 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8295 if(inCheck || lastCheck) count--; // check does not count
8300 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8301 /* this is used to judge if draw claims are legal */
8302 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8303 if(engineOpponent) {
8304 SendToProgram("force\n", engineOpponent); // suppress reply
8305 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8307 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8311 /* if draw offer is pending, treat it as a draw claim
8312 * when draw condition present, to allow engines a way to
8313 * claim draws before making their move to avoid a race
8314 * condition occurring after their move
8316 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8318 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8319 p = "Draw claim: 50-move rule";
8320 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8321 p = "Draw claim: 3-fold repetition";
8322 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8323 p = "Draw claim: insufficient mating material";
8324 if( p != NULL && canAdjudicate) {
8325 if(engineOpponent) {
8326 SendToProgram("force\n", engineOpponent); // suppress reply
8327 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8329 GameEnds( GameIsDrawn, p, GE_XBOARD );
8334 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8335 if(engineOpponent) {
8336 SendToProgram("force\n", engineOpponent); // suppress reply
8337 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8339 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8345 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8346 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8347 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8352 int pieces[10], squares[10], cnt=0, r, f, res;
8354 static PPROBE_EGBB probeBB;
8355 if(!appData.testLegality) return 10;
8356 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8357 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8358 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8359 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8360 ChessSquare piece = boards[forwardMostMove][r][f];
8361 int black = (piece >= BlackPawn);
8362 int type = piece - black*BlackPawn;
8363 if(piece == EmptySquare) continue;
8364 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8365 if(type == WhiteKing) type = WhiteQueen + 1;
8366 type = egbbCode[type];
8367 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8368 pieces[cnt] = type + black*6;
8369 if(++cnt > 5) return 11;
8371 pieces[cnt] = squares[cnt] = 0;
8373 if(loaded == 2) return 13; // loading failed before
8375 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8378 loaded = 2; // prepare for failure
8379 if(!path) return 13; // no egbb installed
8380 strncpy(buf, path + 8, MSG_SIZ);
8381 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8382 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8383 lib = LoadLibrary(buf);
8384 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8385 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8386 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8387 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8388 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8389 loaded = 1; // success!
8391 res = probeBB(forwardMostMove & 1, pieces, squares);
8392 return res > 0 ? 1 : res < 0 ? -1 : 0;
8396 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8397 { // [HGM] book: this routine intercepts moves to simulate book replies
8398 char *bookHit = NULL;
8400 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8402 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8403 SendToProgram(buf, cps);
8405 //first determine if the incoming move brings opponent into his book
8406 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8407 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8408 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8409 if(bookHit != NULL && !cps->bookSuspend) {
8410 // make sure opponent is not going to reply after receiving move to book position
8411 SendToProgram("force\n", cps);
8412 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8414 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8415 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8416 // now arrange restart after book miss
8418 // after a book hit we never send 'go', and the code after the call to this routine
8419 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8420 char buf[MSG_SIZ], *move = bookHit;
8422 int fromX, fromY, toX, toY;
8426 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8427 &fromX, &fromY, &toX, &toY, &promoChar)) {
8428 (void) CoordsToAlgebraic(boards[forwardMostMove],
8429 PosFlags(forwardMostMove),
8430 fromY, fromX, toY, toX, promoChar, move);
8432 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8436 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8437 SendToProgram(buf, cps);
8438 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8439 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8440 SendToProgram("go\n", cps);
8441 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8442 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8443 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8444 SendToProgram("go\n", cps);
8445 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8447 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8451 LoadError (char *errmess, ChessProgramState *cps)
8452 { // unloads engine and switches back to -ncp mode if it was first
8453 if(cps->initDone) return FALSE;
8454 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8455 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8458 appData.noChessProgram = TRUE;
8459 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8460 gameMode = BeginningOfGame; ModeHighlight();
8463 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8464 DisplayMessage("", ""); // erase waiting message
8465 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8470 ChessProgramState *savedState;
8472 DeferredBookMove (void)
8474 if(savedState->lastPing != savedState->lastPong)
8475 ScheduleDelayedEvent(DeferredBookMove, 10);
8477 HandleMachineMove(savedMessage, savedState);
8480 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8481 static ChessProgramState *stalledEngine;
8482 static char stashedInputMove[MSG_SIZ];
8485 HandleMachineMove (char *message, ChessProgramState *cps)
8487 static char firstLeg[20];
8488 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8489 char realname[MSG_SIZ];
8490 int fromX, fromY, toX, toY;
8492 char promoChar, roar;
8494 int machineWhite, oldError;
8497 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8498 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8499 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8500 DisplayError(_("Invalid pairing from pairing engine"), 0);
8503 pairingReceived = 1;
8505 return; // Skim the pairing messages here.
8508 oldError = cps->userError; cps->userError = 0;
8510 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8512 * Kludge to ignore BEL characters
8514 while (*message == '\007') message++;
8517 * [HGM] engine debug message: ignore lines starting with '#' character
8519 if(cps->debug && *message == '#') return;
8522 * Look for book output
8524 if (cps == &first && bookRequested) {
8525 if (message[0] == '\t' || message[0] == ' ') {
8526 /* Part of the book output is here; append it */
8527 strcat(bookOutput, message);
8528 strcat(bookOutput, " \n");
8530 } else if (bookOutput[0] != NULLCHAR) {
8531 /* All of book output has arrived; display it */
8532 char *p = bookOutput;
8533 while (*p != NULLCHAR) {
8534 if (*p == '\t') *p = ' ';
8537 DisplayInformation(bookOutput);
8538 bookRequested = FALSE;
8539 /* Fall through to parse the current output */
8544 * Look for machine move.
8546 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8547 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8549 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8550 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8551 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8552 stalledEngine = cps;
8553 if(appData.ponderNextMove) { // bring opponent out of ponder
8554 if(gameMode == TwoMachinesPlay) {
8555 if(cps->other->pause)
8556 PauseEngine(cps->other);
8558 SendToProgram("easy\n", cps->other);
8565 /* This method is only useful on engines that support ping */
8566 if (cps->lastPing != cps->lastPong) {
8567 if (gameMode == BeginningOfGame) {
8568 /* Extra move from before last new; ignore */
8569 if (appData.debugMode) {
8570 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8573 if (appData.debugMode) {
8574 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8575 cps->which, gameMode);
8578 SendToProgram("undo\n", cps);
8584 case BeginningOfGame:
8585 /* Extra move from before last reset; ignore */
8586 if (appData.debugMode) {
8587 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8594 /* Extra move after we tried to stop. The mode test is
8595 not a reliable way of detecting this problem, but it's
8596 the best we can do on engines that don't support ping.
8598 if (appData.debugMode) {
8599 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8600 cps->which, gameMode);
8602 SendToProgram("undo\n", cps);
8605 case MachinePlaysWhite:
8606 case IcsPlayingWhite:
8607 machineWhite = TRUE;
8610 case MachinePlaysBlack:
8611 case IcsPlayingBlack:
8612 machineWhite = FALSE;
8615 case TwoMachinesPlay:
8616 machineWhite = (cps->twoMachinesColor[0] == 'w');
8619 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8620 if (appData.debugMode) {
8622 "Ignoring move out of turn by %s, gameMode %d"
8623 ", forwardMost %d\n",
8624 cps->which, gameMode, forwardMostMove);
8629 if(cps->alphaRank) AlphaRank(machineMove, 4);
8631 // [HGM] lion: (some very limited) support for Alien protocol
8633 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8634 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8636 } else if(firstLeg[0]) { // there was a previous leg;
8637 // only support case where same piece makes two step (and don't even test that!)
8638 char buf[20], *p = machineMove+1, *q = buf+1, f;
8639 safeStrCpy(buf, machineMove, 20);
8640 while(isdigit(*q)) q++; // find start of to-square
8641 safeStrCpy(machineMove, firstLeg, 20);
8642 while(isdigit(*p)) p++;
8643 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8644 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8645 firstLeg[0] = NULLCHAR;
8648 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8649 &fromX, &fromY, &toX, &toY, &promoChar)) {
8650 /* Machine move could not be parsed; ignore it. */
8651 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8652 machineMove, _(cps->which));
8653 DisplayMoveError(buf1);
8654 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8655 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8656 if (gameMode == TwoMachinesPlay) {
8657 GameEnds(machineWhite ? BlackWins : WhiteWins,
8663 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8664 /* So we have to redo legality test with true e.p. status here, */
8665 /* to make sure an illegal e.p. capture does not slip through, */
8666 /* to cause a forfeit on a justified illegal-move complaint */
8667 /* of the opponent. */
8668 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8670 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8671 fromY, fromX, toY, toX, promoChar);
8672 if(moveType == IllegalMove) {
8673 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8674 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8675 GameEnds(machineWhite ? BlackWins : WhiteWins,
8678 } else if(!appData.fischerCastling)
8679 /* [HGM] Kludge to handle engines that send FRC-style castling
8680 when they shouldn't (like TSCP-Gothic) */
8682 case WhiteASideCastleFR:
8683 case BlackASideCastleFR:
8685 currentMoveString[2]++;
8687 case WhiteHSideCastleFR:
8688 case BlackHSideCastleFR:
8690 currentMoveString[2]--;
8692 default: ; // nothing to do, but suppresses warning of pedantic compilers
8695 hintRequested = FALSE;
8696 lastHint[0] = NULLCHAR;
8697 bookRequested = FALSE;
8698 /* Program may be pondering now */
8699 cps->maybeThinking = TRUE;
8700 if (cps->sendTime == 2) cps->sendTime = 1;
8701 if (cps->offeredDraw) cps->offeredDraw--;
8703 /* [AS] Save move info*/
8704 pvInfoList[ forwardMostMove ].score = programStats.score;
8705 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8706 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8708 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8710 /* Test suites abort the 'game' after one move */
8711 if(*appData.finger) {
8713 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8714 if(!f) f = fopen(appData.finger, "w");
8715 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8716 else { DisplayFatalError("Bad output file", errno, 0); return; }
8718 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8721 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8722 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8725 while( count < adjudicateLossPlies ) {
8726 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8729 score = -score; /* Flip score for winning side */
8731 printf("score=%d count=%d\n",score,count);
8732 if( score > appData.adjudicateLossThreshold ) {
8739 if( count >= adjudicateLossPlies ) {
8740 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8742 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8743 "Xboard adjudication",
8750 if(Adjudicate(cps)) {
8751 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8752 return; // [HGM] adjudicate: for all automatic game ends
8756 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8758 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8759 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8761 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8763 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8765 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8766 char buf[3*MSG_SIZ];
8768 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8769 programStats.score / 100.,
8771 programStats.time / 100.,
8772 (unsigned int)programStats.nodes,
8773 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8774 programStats.movelist);
8780 /* [AS] Clear stats for next move */
8781 ClearProgramStats();
8782 thinkOutput[0] = NULLCHAR;
8783 hiddenThinkOutputState = 0;
8786 if (gameMode == TwoMachinesPlay) {
8787 /* [HGM] relaying draw offers moved to after reception of move */
8788 /* and interpreting offer as claim if it brings draw condition */
8789 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8790 SendToProgram("draw\n", cps->other);
8792 if (cps->other->sendTime) {
8793 SendTimeRemaining(cps->other,
8794 cps->other->twoMachinesColor[0] == 'w');
8796 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8797 if (firstMove && !bookHit) {
8799 if (cps->other->useColors) {
8800 SendToProgram(cps->other->twoMachinesColor, cps->other);
8802 SendToProgram("go\n", cps->other);
8804 cps->other->maybeThinking = TRUE;
8807 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8809 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8811 if (!pausing && appData.ringBellAfterMoves) {
8812 if(!roar) RingBell();
8816 * Reenable menu items that were disabled while
8817 * machine was thinking
8819 if (gameMode != TwoMachinesPlay)
8820 SetUserThinkingEnables();
8822 // [HGM] book: after book hit opponent has received move and is now in force mode
8823 // force the book reply into it, and then fake that it outputted this move by jumping
8824 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8826 static char bookMove[MSG_SIZ]; // a bit generous?
8828 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8829 strcat(bookMove, bookHit);
8832 programStats.nodes = programStats.depth = programStats.time =
8833 programStats.score = programStats.got_only_move = 0;
8834 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8836 if(cps->lastPing != cps->lastPong) {
8837 savedMessage = message; // args for deferred call
8839 ScheduleDelayedEvent(DeferredBookMove, 10);
8848 /* Set special modes for chess engines. Later something general
8849 * could be added here; for now there is just one kludge feature,
8850 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8851 * when "xboard" is given as an interactive command.
8853 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8854 cps->useSigint = FALSE;
8855 cps->useSigterm = FALSE;
8857 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8858 ParseFeatures(message+8, cps);
8859 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8862 if (!strncmp(message, "setup ", 6) &&
8863 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8864 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8865 ) { // [HGM] allow first engine to define opening position
8866 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8867 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8869 if(sscanf(message, "setup (%s", buf) == 1) {
8870 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8871 ASSIGN(appData.pieceToCharTable, buf);
8873 if(startedFromSetupPosition) return;
8874 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8876 while(message[s] && message[s++] != ' ');
8877 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8878 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8879 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8880 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8881 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8882 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8885 ParseFEN(boards[0], &dummy, message+s, FALSE);
8886 DrawPosition(TRUE, boards[0]);
8887 startedFromSetupPosition = TRUE;
8890 if(sscanf(message, "piece %c %s", &promoChar, buf1) == 2) {
8891 ChessSquare piece = CharToPiece(promoChar);
8892 if(piece < EmptySquare && !appData.testLegality) { ASSIGN(pieceDesc[piece], buf1); pieceDefs = TRUE; }
8895 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8896 * want this, I was asked to put it in, and obliged.
8898 if (!strncmp(message, "setboard ", 9)) {
8899 Board initial_position;
8901 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8903 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8904 DisplayError(_("Bad FEN received from engine"), 0);
8908 CopyBoard(boards[0], initial_position);
8909 initialRulePlies = FENrulePlies;
8910 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8911 else gameMode = MachinePlaysBlack;
8912 DrawPosition(FALSE, boards[currentMove]);
8918 * Look for communication commands
8920 if (!strncmp(message, "telluser ", 9)) {
8921 if(message[9] == '\\' && message[10] == '\\')
8922 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8924 DisplayNote(message + 9);
8927 if (!strncmp(message, "tellusererror ", 14)) {
8929 if(message[14] == '\\' && message[15] == '\\')
8930 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8932 DisplayError(message + 14, 0);
8935 if (!strncmp(message, "tellopponent ", 13)) {
8936 if (appData.icsActive) {
8938 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8942 DisplayNote(message + 13);
8946 if (!strncmp(message, "tellothers ", 11)) {
8947 if (appData.icsActive) {
8949 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8952 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8955 if (!strncmp(message, "tellall ", 8)) {
8956 if (appData.icsActive) {
8958 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8962 DisplayNote(message + 8);
8966 if (strncmp(message, "warning", 7) == 0) {
8967 /* Undocumented feature, use tellusererror in new code */
8968 DisplayError(message, 0);
8971 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8972 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8973 strcat(realname, " query");
8974 AskQuestion(realname, buf2, buf1, cps->pr);
8977 /* Commands from the engine directly to ICS. We don't allow these to be
8978 * sent until we are logged on. Crafty kibitzes have been known to
8979 * interfere with the login process.
8982 if (!strncmp(message, "tellics ", 8)) {
8983 SendToICS(message + 8);
8987 if (!strncmp(message, "tellicsnoalias ", 15)) {
8988 SendToICS(ics_prefix);
8989 SendToICS(message + 15);
8993 /* The following are for backward compatibility only */
8994 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8995 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8996 SendToICS(ics_prefix);
9002 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9003 if(initPing == cps->lastPong) {
9004 if(gameInfo.variant == VariantUnknown) {
9005 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9006 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9007 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9013 if(!strncmp(message, "highlight ", 10)) {
9014 if(appData.testLegality && appData.markers) return;
9015 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9018 if(!strncmp(message, "click ", 6)) {
9019 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9020 if(appData.testLegality || !appData.oneClick) return;
9021 sscanf(message+6, "%c%d%c", &f, &y, &c);
9022 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9023 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9024 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9025 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9026 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9027 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9028 LeftClick(Release, lastLeftX, lastLeftY);
9029 controlKey = (c == ',');
9030 LeftClick(Press, x, y);
9031 LeftClick(Release, x, y);
9032 first.highlight = f;
9036 * If the move is illegal, cancel it and redraw the board.
9037 * Also deal with other error cases. Matching is rather loose
9038 * here to accommodate engines written before the spec.
9040 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9041 strncmp(message, "Error", 5) == 0) {
9042 if (StrStr(message, "name") ||
9043 StrStr(message, "rating") || StrStr(message, "?") ||
9044 StrStr(message, "result") || StrStr(message, "board") ||
9045 StrStr(message, "bk") || StrStr(message, "computer") ||
9046 StrStr(message, "variant") || StrStr(message, "hint") ||
9047 StrStr(message, "random") || StrStr(message, "depth") ||
9048 StrStr(message, "accepted")) {
9051 if (StrStr(message, "protover")) {
9052 /* Program is responding to input, so it's apparently done
9053 initializing, and this error message indicates it is
9054 protocol version 1. So we don't need to wait any longer
9055 for it to initialize and send feature commands. */
9056 FeatureDone(cps, 1);
9057 cps->protocolVersion = 1;
9060 cps->maybeThinking = FALSE;
9062 if (StrStr(message, "draw")) {
9063 /* Program doesn't have "draw" command */
9064 cps->sendDrawOffers = 0;
9067 if (cps->sendTime != 1 &&
9068 (StrStr(message, "time") || StrStr(message, "otim"))) {
9069 /* Program apparently doesn't have "time" or "otim" command */
9073 if (StrStr(message, "analyze")) {
9074 cps->analysisSupport = FALSE;
9075 cps->analyzing = FALSE;
9076 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9077 EditGameEvent(); // [HGM] try to preserve loaded game
9078 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9079 DisplayError(buf2, 0);
9082 if (StrStr(message, "(no matching move)st")) {
9083 /* Special kludge for GNU Chess 4 only */
9084 cps->stKludge = TRUE;
9085 SendTimeControl(cps, movesPerSession, timeControl,
9086 timeIncrement, appData.searchDepth,
9090 if (StrStr(message, "(no matching move)sd")) {
9091 /* Special kludge for GNU Chess 4 only */
9092 cps->sdKludge = TRUE;
9093 SendTimeControl(cps, movesPerSession, timeControl,
9094 timeIncrement, appData.searchDepth,
9098 if (!StrStr(message, "llegal")) {
9101 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9102 gameMode == IcsIdle) return;
9103 if (forwardMostMove <= backwardMostMove) return;
9104 if (pausing) PauseEvent();
9105 if(appData.forceIllegal) {
9106 // [HGM] illegal: machine refused move; force position after move into it
9107 SendToProgram("force\n", cps);
9108 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9109 // we have a real problem now, as SendBoard will use the a2a3 kludge
9110 // when black is to move, while there might be nothing on a2 or black
9111 // might already have the move. So send the board as if white has the move.
9112 // But first we must change the stm of the engine, as it refused the last move
9113 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9114 if(WhiteOnMove(forwardMostMove)) {
9115 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9116 SendBoard(cps, forwardMostMove); // kludgeless board
9118 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9119 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9120 SendBoard(cps, forwardMostMove+1); // kludgeless board
9122 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9123 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9124 gameMode == TwoMachinesPlay)
9125 SendToProgram("go\n", cps);
9128 if (gameMode == PlayFromGameFile) {
9129 /* Stop reading this game file */
9130 gameMode = EditGame;
9133 /* [HGM] illegal-move claim should forfeit game when Xboard */
9134 /* only passes fully legal moves */
9135 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9136 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9137 "False illegal-move claim", GE_XBOARD );
9138 return; // do not take back move we tested as valid
9140 currentMove = forwardMostMove-1;
9141 DisplayMove(currentMove-1); /* before DisplayMoveError */
9142 SwitchClocks(forwardMostMove-1); // [HGM] race
9143 DisplayBothClocks();
9144 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9145 parseList[currentMove], _(cps->which));
9146 DisplayMoveError(buf1);
9147 DrawPosition(FALSE, boards[currentMove]);
9149 SetUserThinkingEnables();
9152 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9153 /* Program has a broken "time" command that
9154 outputs a string not ending in newline.
9158 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9159 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9160 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9164 * If chess program startup fails, exit with an error message.
9165 * Attempts to recover here are futile. [HGM] Well, we try anyway
9167 if ((StrStr(message, "unknown host") != NULL)
9168 || (StrStr(message, "No remote directory") != NULL)
9169 || (StrStr(message, "not found") != NULL)
9170 || (StrStr(message, "No such file") != NULL)
9171 || (StrStr(message, "can't alloc") != NULL)
9172 || (StrStr(message, "Permission denied") != NULL)) {
9174 cps->maybeThinking = FALSE;
9175 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9176 _(cps->which), cps->program, cps->host, message);
9177 RemoveInputSource(cps->isr);
9178 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9179 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9180 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9186 * Look for hint output
9188 if (sscanf(message, "Hint: %s", buf1) == 1) {
9189 if (cps == &first && hintRequested) {
9190 hintRequested = FALSE;
9191 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9192 &fromX, &fromY, &toX, &toY, &promoChar)) {
9193 (void) CoordsToAlgebraic(boards[forwardMostMove],
9194 PosFlags(forwardMostMove),
9195 fromY, fromX, toY, toX, promoChar, buf1);
9196 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9197 DisplayInformation(buf2);
9199 /* Hint move could not be parsed!? */
9200 snprintf(buf2, sizeof(buf2),
9201 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9202 buf1, _(cps->which));
9203 DisplayError(buf2, 0);
9206 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9212 * Ignore other messages if game is not in progress
9214 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9215 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9218 * look for win, lose, draw, or draw offer
9220 if (strncmp(message, "1-0", 3) == 0) {
9221 char *p, *q, *r = "";
9222 p = strchr(message, '{');
9230 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9232 } else if (strncmp(message, "0-1", 3) == 0) {
9233 char *p, *q, *r = "";
9234 p = strchr(message, '{');
9242 /* Kludge for Arasan 4.1 bug */
9243 if (strcmp(r, "Black resigns") == 0) {
9244 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9247 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9249 } else if (strncmp(message, "1/2", 3) == 0) {
9250 char *p, *q, *r = "";
9251 p = strchr(message, '{');
9260 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9263 } else if (strncmp(message, "White resign", 12) == 0) {
9264 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9266 } else if (strncmp(message, "Black resign", 12) == 0) {
9267 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9269 } else if (strncmp(message, "White matches", 13) == 0 ||
9270 strncmp(message, "Black matches", 13) == 0 ) {
9271 /* [HGM] ignore GNUShogi noises */
9273 } else if (strncmp(message, "White", 5) == 0 &&
9274 message[5] != '(' &&
9275 StrStr(message, "Black") == NULL) {
9276 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9278 } else if (strncmp(message, "Black", 5) == 0 &&
9279 message[5] != '(') {
9280 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9282 } else if (strcmp(message, "resign") == 0 ||
9283 strcmp(message, "computer resigns") == 0) {
9285 case MachinePlaysBlack:
9286 case IcsPlayingBlack:
9287 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9289 case MachinePlaysWhite:
9290 case IcsPlayingWhite:
9291 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9293 case TwoMachinesPlay:
9294 if (cps->twoMachinesColor[0] == 'w')
9295 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9297 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9304 } else if (strncmp(message, "opponent mates", 14) == 0) {
9306 case MachinePlaysBlack:
9307 case IcsPlayingBlack:
9308 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9310 case MachinePlaysWhite:
9311 case IcsPlayingWhite:
9312 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9314 case TwoMachinesPlay:
9315 if (cps->twoMachinesColor[0] == 'w')
9316 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9318 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9325 } else if (strncmp(message, "computer mates", 14) == 0) {
9327 case MachinePlaysBlack:
9328 case IcsPlayingBlack:
9329 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9331 case MachinePlaysWhite:
9332 case IcsPlayingWhite:
9333 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9335 case TwoMachinesPlay:
9336 if (cps->twoMachinesColor[0] == 'w')
9337 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9339 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9346 } else if (strncmp(message, "checkmate", 9) == 0) {
9347 if (WhiteOnMove(forwardMostMove)) {
9348 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9350 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9353 } else if (strstr(message, "Draw") != NULL ||
9354 strstr(message, "game is a draw") != NULL) {
9355 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9357 } else if (strstr(message, "offer") != NULL &&
9358 strstr(message, "draw") != NULL) {
9360 if (appData.zippyPlay && first.initDone) {
9361 /* Relay offer to ICS */
9362 SendToICS(ics_prefix);
9363 SendToICS("draw\n");
9366 cps->offeredDraw = 2; /* valid until this engine moves twice */
9367 if (gameMode == TwoMachinesPlay) {
9368 if (cps->other->offeredDraw) {
9369 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9370 /* [HGM] in two-machine mode we delay relaying draw offer */
9371 /* until after we also have move, to see if it is really claim */
9373 } else if (gameMode == MachinePlaysWhite ||
9374 gameMode == MachinePlaysBlack) {
9375 if (userOfferedDraw) {
9376 DisplayInformation(_("Machine accepts your draw offer"));
9377 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9379 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9386 * Look for thinking output
9388 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9389 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9391 int plylev, mvleft, mvtot, curscore, time;
9392 char mvname[MOVE_LEN];
9396 int prefixHint = FALSE;
9397 mvname[0] = NULLCHAR;
9400 case MachinePlaysBlack:
9401 case IcsPlayingBlack:
9402 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9404 case MachinePlaysWhite:
9405 case IcsPlayingWhite:
9406 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9411 case IcsObserving: /* [DM] icsEngineAnalyze */
9412 if (!appData.icsEngineAnalyze) ignore = TRUE;
9414 case TwoMachinesPlay:
9415 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9425 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9427 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9428 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9430 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9431 nodes += u64Const(0x100000000);
9433 if (plyext != ' ' && plyext != '\t') {
9437 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9438 if( cps->scoreIsAbsolute &&
9439 ( gameMode == MachinePlaysBlack ||
9440 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9441 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9442 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9443 !WhiteOnMove(currentMove)
9446 curscore = -curscore;
9449 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9451 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9454 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9455 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9456 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9457 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9458 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9459 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9463 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9464 DisplayError(_("failed writing PV"), 0);
9467 tempStats.depth = plylev;
9468 tempStats.nodes = nodes;
9469 tempStats.time = time;
9470 tempStats.score = curscore;
9471 tempStats.got_only_move = 0;
9473 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9476 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9477 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9478 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9479 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9480 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9481 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9482 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9483 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9486 /* Buffer overflow protection */
9487 if (pv[0] != NULLCHAR) {
9488 if (strlen(pv) >= sizeof(tempStats.movelist)
9489 && appData.debugMode) {
9491 "PV is too long; using the first %u bytes.\n",
9492 (unsigned) sizeof(tempStats.movelist) - 1);
9495 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9497 sprintf(tempStats.movelist, " no PV\n");
9500 if (tempStats.seen_stat) {
9501 tempStats.ok_to_send = 1;
9504 if (strchr(tempStats.movelist, '(') != NULL) {
9505 tempStats.line_is_book = 1;
9506 tempStats.nr_moves = 0;
9507 tempStats.moves_left = 0;
9509 tempStats.line_is_book = 0;
9512 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9513 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9515 SendProgramStatsToFrontend( cps, &tempStats );
9518 [AS] Protect the thinkOutput buffer from overflow... this
9519 is only useful if buf1 hasn't overflowed first!
9521 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9523 (gameMode == TwoMachinesPlay ?
9524 ToUpper(cps->twoMachinesColor[0]) : ' '),
9525 ((double) curscore) / 100.0,
9526 prefixHint ? lastHint : "",
9527 prefixHint ? " " : "" );
9529 if( buf1[0] != NULLCHAR ) {
9530 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9532 if( strlen(pv) > max_len ) {
9533 if( appData.debugMode) {
9534 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9536 pv[max_len+1] = '\0';
9539 strcat( thinkOutput, pv);
9542 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9543 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9544 DisplayMove(currentMove - 1);
9548 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9549 /* crafty (9.25+) says "(only move) <move>"
9550 * if there is only 1 legal move
9552 sscanf(p, "(only move) %s", buf1);
9553 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9554 sprintf(programStats.movelist, "%s (only move)", buf1);
9555 programStats.depth = 1;
9556 programStats.nr_moves = 1;
9557 programStats.moves_left = 1;
9558 programStats.nodes = 1;
9559 programStats.time = 1;
9560 programStats.got_only_move = 1;
9562 /* Not really, but we also use this member to
9563 mean "line isn't going to change" (Crafty
9564 isn't searching, so stats won't change) */
9565 programStats.line_is_book = 1;
9567 SendProgramStatsToFrontend( cps, &programStats );
9569 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9570 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9571 DisplayMove(currentMove - 1);
9574 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9575 &time, &nodes, &plylev, &mvleft,
9576 &mvtot, mvname) >= 5) {
9577 /* The stat01: line is from Crafty (9.29+) in response
9578 to the "." command */
9579 programStats.seen_stat = 1;
9580 cps->maybeThinking = TRUE;
9582 if (programStats.got_only_move || !appData.periodicUpdates)
9585 programStats.depth = plylev;
9586 programStats.time = time;
9587 programStats.nodes = nodes;
9588 programStats.moves_left = mvleft;
9589 programStats.nr_moves = mvtot;
9590 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9591 programStats.ok_to_send = 1;
9592 programStats.movelist[0] = '\0';
9594 SendProgramStatsToFrontend( cps, &programStats );
9598 } else if (strncmp(message,"++",2) == 0) {
9599 /* Crafty 9.29+ outputs this */
9600 programStats.got_fail = 2;
9603 } else if (strncmp(message,"--",2) == 0) {
9604 /* Crafty 9.29+ outputs this */
9605 programStats.got_fail = 1;
9608 } else if (thinkOutput[0] != NULLCHAR &&
9609 strncmp(message, " ", 4) == 0) {
9610 unsigned message_len;
9613 while (*p && *p == ' ') p++;
9615 message_len = strlen( p );
9617 /* [AS] Avoid buffer overflow */
9618 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9619 strcat(thinkOutput, " ");
9620 strcat(thinkOutput, p);
9623 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9624 strcat(programStats.movelist, " ");
9625 strcat(programStats.movelist, p);
9628 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9629 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9630 DisplayMove(currentMove - 1);
9638 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9639 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9641 ChessProgramStats cpstats;
9643 if (plyext != ' ' && plyext != '\t') {
9647 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9648 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9649 curscore = -curscore;
9652 cpstats.depth = plylev;
9653 cpstats.nodes = nodes;
9654 cpstats.time = time;
9655 cpstats.score = curscore;
9656 cpstats.got_only_move = 0;
9657 cpstats.movelist[0] = '\0';
9659 if (buf1[0] != NULLCHAR) {
9660 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9663 cpstats.ok_to_send = 0;
9664 cpstats.line_is_book = 0;
9665 cpstats.nr_moves = 0;
9666 cpstats.moves_left = 0;
9668 SendProgramStatsToFrontend( cps, &cpstats );
9675 /* Parse a game score from the character string "game", and
9676 record it as the history of the current game. The game
9677 score is NOT assumed to start from the standard position.
9678 The display is not updated in any way.
9681 ParseGameHistory (char *game)
9684 int fromX, fromY, toX, toY, boardIndex;
9689 if (appData.debugMode)
9690 fprintf(debugFP, "Parsing game history: %s\n", game);
9692 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9693 gameInfo.site = StrSave(appData.icsHost);
9694 gameInfo.date = PGNDate();
9695 gameInfo.round = StrSave("-");
9697 /* Parse out names of players */
9698 while (*game == ' ') game++;
9700 while (*game != ' ') *p++ = *game++;
9702 gameInfo.white = StrSave(buf);
9703 while (*game == ' ') game++;
9705 while (*game != ' ' && *game != '\n') *p++ = *game++;
9707 gameInfo.black = StrSave(buf);
9710 boardIndex = blackPlaysFirst ? 1 : 0;
9713 yyboardindex = boardIndex;
9714 moveType = (ChessMove) Myylex();
9716 case IllegalMove: /* maybe suicide chess, etc. */
9717 if (appData.debugMode) {
9718 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9719 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9720 setbuf(debugFP, NULL);
9722 case WhitePromotion:
9723 case BlackPromotion:
9724 case WhiteNonPromotion:
9725 case BlackNonPromotion:
9728 case WhiteCapturesEnPassant:
9729 case BlackCapturesEnPassant:
9730 case WhiteKingSideCastle:
9731 case WhiteQueenSideCastle:
9732 case BlackKingSideCastle:
9733 case BlackQueenSideCastle:
9734 case WhiteKingSideCastleWild:
9735 case WhiteQueenSideCastleWild:
9736 case BlackKingSideCastleWild:
9737 case BlackQueenSideCastleWild:
9739 case WhiteHSideCastleFR:
9740 case WhiteASideCastleFR:
9741 case BlackHSideCastleFR:
9742 case BlackASideCastleFR:
9744 fromX = currentMoveString[0] - AAA;
9745 fromY = currentMoveString[1] - ONE;
9746 toX = currentMoveString[2] - AAA;
9747 toY = currentMoveString[3] - ONE;
9748 promoChar = currentMoveString[4];
9752 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9753 fromX = moveType == WhiteDrop ?
9754 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9755 (int) CharToPiece(ToLower(currentMoveString[0]));
9757 toX = currentMoveString[2] - AAA;
9758 toY = currentMoveString[3] - ONE;
9759 promoChar = NULLCHAR;
9763 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9764 if (appData.debugMode) {
9765 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9766 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9767 setbuf(debugFP, NULL);
9769 DisplayError(buf, 0);
9771 case ImpossibleMove:
9773 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9774 if (appData.debugMode) {
9775 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9776 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9777 setbuf(debugFP, NULL);
9779 DisplayError(buf, 0);
9782 if (boardIndex < backwardMostMove) {
9783 /* Oops, gap. How did that happen? */
9784 DisplayError(_("Gap in move list"), 0);
9787 backwardMostMove = blackPlaysFirst ? 1 : 0;
9788 if (boardIndex > forwardMostMove) {
9789 forwardMostMove = boardIndex;
9793 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9794 strcat(parseList[boardIndex-1], " ");
9795 strcat(parseList[boardIndex-1], yy_text);
9807 case GameUnfinished:
9808 if (gameMode == IcsExamining) {
9809 if (boardIndex < backwardMostMove) {
9810 /* Oops, gap. How did that happen? */
9813 backwardMostMove = blackPlaysFirst ? 1 : 0;
9816 gameInfo.result = moveType;
9817 p = strchr(yy_text, '{');
9818 if (p == NULL) p = strchr(yy_text, '(');
9821 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9823 q = strchr(p, *p == '{' ? '}' : ')');
9824 if (q != NULL) *q = NULLCHAR;
9827 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9828 gameInfo.resultDetails = StrSave(p);
9831 if (boardIndex >= forwardMostMove &&
9832 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9833 backwardMostMove = blackPlaysFirst ? 1 : 0;
9836 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9837 fromY, fromX, toY, toX, promoChar,
9838 parseList[boardIndex]);
9839 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9840 /* currentMoveString is set as a side-effect of yylex */
9841 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9842 strcat(moveList[boardIndex], "\n");
9844 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9845 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9851 if(!IS_SHOGI(gameInfo.variant))
9852 strcat(parseList[boardIndex - 1], "+");
9856 strcat(parseList[boardIndex - 1], "#");
9863 /* Apply a move to the given board */
9865 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9867 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9868 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9870 /* [HGM] compute & store e.p. status and castling rights for new position */
9871 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9873 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9874 oldEP = (signed char)board[EP_STATUS];
9875 board[EP_STATUS] = EP_NONE;
9877 if (fromY == DROP_RANK) {
9879 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9880 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9883 piece = board[toY][toX] = (ChessSquare) fromX;
9885 // ChessSquare victim;
9888 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9889 // victim = board[killY][killX],
9890 board[killY][killX] = EmptySquare,
9891 board[EP_STATUS] = EP_CAPTURE;
9893 if( board[toY][toX] != EmptySquare ) {
9894 board[EP_STATUS] = EP_CAPTURE;
9895 if( (fromX != toX || fromY != toY) && // not igui!
9896 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9897 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9898 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9902 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9903 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9904 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9906 if( board[fromY][fromX] == WhitePawn ) {
9907 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9908 board[EP_STATUS] = EP_PAWN_MOVE;
9910 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9911 gameInfo.variant != VariantBerolina || toX < fromX)
9912 board[EP_STATUS] = toX | berolina;
9913 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9914 gameInfo.variant != VariantBerolina || toX > fromX)
9915 board[EP_STATUS] = toX;
9918 if( board[fromY][fromX] == BlackPawn ) {
9919 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9920 board[EP_STATUS] = EP_PAWN_MOVE;
9921 if( toY-fromY== -2) {
9922 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9923 gameInfo.variant != VariantBerolina || toX < fromX)
9924 board[EP_STATUS] = toX | berolina;
9925 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9926 gameInfo.variant != VariantBerolina || toX > fromX)
9927 board[EP_STATUS] = toX;
9931 for(i=0; i<nrCastlingRights; i++) {
9932 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9933 board[CASTLING][i] == toX && castlingRank[i] == toY
9934 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9937 if(gameInfo.variant == VariantSChess) { // update virginity
9938 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9939 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9940 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9941 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9944 if (fromX == toX && fromY == toY) return;
9946 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9947 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9948 if(gameInfo.variant == VariantKnightmate)
9949 king += (int) WhiteUnicorn - (int) WhiteKing;
9951 /* Code added by Tord: */
9952 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9953 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9954 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9955 board[fromY][fromX] = EmptySquare;
9956 board[toY][toX] = EmptySquare;
9957 if((toX > fromX) != (piece == WhiteRook)) {
9958 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9960 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9962 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9963 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9964 board[fromY][fromX] = EmptySquare;
9965 board[toY][toX] = EmptySquare;
9966 if((toX > fromX) != (piece == BlackRook)) {
9967 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9969 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9971 /* End of code added by Tord */
9973 } else if (board[fromY][fromX] == king
9974 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9975 && toY == fromY && toX > fromX+1) {
9976 board[fromY][fromX] = EmptySquare;
9977 board[toY][toX] = king;
9978 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9979 board[fromY][BOARD_RGHT-1] = EmptySquare;
9980 } else if (board[fromY][fromX] == king
9981 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9982 && toY == fromY && toX < fromX-1) {
9983 board[fromY][fromX] = EmptySquare;
9984 board[toY][toX] = king;
9985 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9986 board[fromY][BOARD_LEFT] = EmptySquare;
9987 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9988 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9989 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9991 /* white pawn promotion */
9992 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9993 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9994 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9995 board[fromY][fromX] = EmptySquare;
9996 } else if ((fromY >= BOARD_HEIGHT>>1)
9997 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9999 && gameInfo.variant != VariantXiangqi
10000 && gameInfo.variant != VariantBerolina
10001 && (board[fromY][fromX] == WhitePawn)
10002 && (board[toY][toX] == EmptySquare)) {
10003 board[fromY][fromX] = EmptySquare;
10004 board[toY][toX] = WhitePawn;
10005 captured = board[toY - 1][toX];
10006 board[toY - 1][toX] = EmptySquare;
10007 } else if ((fromY == BOARD_HEIGHT-4)
10009 && gameInfo.variant == VariantBerolina
10010 && (board[fromY][fromX] == WhitePawn)
10011 && (board[toY][toX] == EmptySquare)) {
10012 board[fromY][fromX] = EmptySquare;
10013 board[toY][toX] = WhitePawn;
10014 if(oldEP & EP_BEROLIN_A) {
10015 captured = board[fromY][fromX-1];
10016 board[fromY][fromX-1] = EmptySquare;
10017 }else{ captured = board[fromY][fromX+1];
10018 board[fromY][fromX+1] = EmptySquare;
10020 } else if (board[fromY][fromX] == king
10021 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10022 && toY == fromY && toX > fromX+1) {
10023 board[fromY][fromX] = EmptySquare;
10024 board[toY][toX] = king;
10025 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10026 board[fromY][BOARD_RGHT-1] = EmptySquare;
10027 } else if (board[fromY][fromX] == king
10028 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10029 && toY == fromY && toX < fromX-1) {
10030 board[fromY][fromX] = EmptySquare;
10031 board[toY][toX] = king;
10032 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10033 board[fromY][BOARD_LEFT] = EmptySquare;
10034 } else if (fromY == 7 && fromX == 3
10035 && board[fromY][fromX] == BlackKing
10036 && toY == 7 && toX == 5) {
10037 board[fromY][fromX] = EmptySquare;
10038 board[toY][toX] = BlackKing;
10039 board[fromY][7] = EmptySquare;
10040 board[toY][4] = BlackRook;
10041 } else if (fromY == 7 && fromX == 3
10042 && board[fromY][fromX] == BlackKing
10043 && toY == 7 && toX == 1) {
10044 board[fromY][fromX] = EmptySquare;
10045 board[toY][toX] = BlackKing;
10046 board[fromY][0] = EmptySquare;
10047 board[toY][2] = BlackRook;
10048 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10049 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10050 && toY < promoRank && promoChar
10052 /* black pawn promotion */
10053 board[toY][toX] = CharToPiece(ToLower(promoChar));
10054 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10055 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10056 board[fromY][fromX] = EmptySquare;
10057 } else if ((fromY < BOARD_HEIGHT>>1)
10058 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10060 && gameInfo.variant != VariantXiangqi
10061 && gameInfo.variant != VariantBerolina
10062 && (board[fromY][fromX] == BlackPawn)
10063 && (board[toY][toX] == EmptySquare)) {
10064 board[fromY][fromX] = EmptySquare;
10065 board[toY][toX] = BlackPawn;
10066 captured = board[toY + 1][toX];
10067 board[toY + 1][toX] = EmptySquare;
10068 } else if ((fromY == 3)
10070 && gameInfo.variant == VariantBerolina
10071 && (board[fromY][fromX] == BlackPawn)
10072 && (board[toY][toX] == EmptySquare)) {
10073 board[fromY][fromX] = EmptySquare;
10074 board[toY][toX] = BlackPawn;
10075 if(oldEP & EP_BEROLIN_A) {
10076 captured = board[fromY][fromX-1];
10077 board[fromY][fromX-1] = EmptySquare;
10078 }else{ captured = board[fromY][fromX+1];
10079 board[fromY][fromX+1] = EmptySquare;
10082 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10083 board[fromY][fromX] = EmptySquare;
10084 board[toY][toX] = piece;
10088 if (gameInfo.holdingsWidth != 0) {
10090 /* !!A lot more code needs to be written to support holdings */
10091 /* [HGM] OK, so I have written it. Holdings are stored in the */
10092 /* penultimate board files, so they are automaticlly stored */
10093 /* in the game history. */
10094 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10095 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10096 /* Delete from holdings, by decreasing count */
10097 /* and erasing image if necessary */
10098 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10099 if(p < (int) BlackPawn) { /* white drop */
10100 p -= (int)WhitePawn;
10101 p = PieceToNumber((ChessSquare)p);
10102 if(p >= gameInfo.holdingsSize) p = 0;
10103 if(--board[p][BOARD_WIDTH-2] <= 0)
10104 board[p][BOARD_WIDTH-1] = EmptySquare;
10105 if((int)board[p][BOARD_WIDTH-2] < 0)
10106 board[p][BOARD_WIDTH-2] = 0;
10107 } else { /* black drop */
10108 p -= (int)BlackPawn;
10109 p = PieceToNumber((ChessSquare)p);
10110 if(p >= gameInfo.holdingsSize) p = 0;
10111 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10112 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10113 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10114 board[BOARD_HEIGHT-1-p][1] = 0;
10117 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10118 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10119 /* [HGM] holdings: Add to holdings, if holdings exist */
10120 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10121 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10122 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10124 p = (int) captured;
10125 if (p >= (int) BlackPawn) {
10126 p -= (int)BlackPawn;
10127 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10128 /* in Shogi restore piece to its original first */
10129 captured = (ChessSquare) (DEMOTED captured);
10132 p = PieceToNumber((ChessSquare)p);
10133 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10134 board[p][BOARD_WIDTH-2]++;
10135 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10137 p -= (int)WhitePawn;
10138 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10139 captured = (ChessSquare) (DEMOTED captured);
10142 p = PieceToNumber((ChessSquare)p);
10143 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10144 board[BOARD_HEIGHT-1-p][1]++;
10145 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10148 } else if (gameInfo.variant == VariantAtomic) {
10149 if (captured != EmptySquare) {
10151 for (y = toY-1; y <= toY+1; y++) {
10152 for (x = toX-1; x <= toX+1; x++) {
10153 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10154 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10155 board[y][x] = EmptySquare;
10159 board[toY][toX] = EmptySquare;
10163 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10164 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10166 if(promoChar == '+') {
10167 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10168 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10169 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10170 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10171 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10172 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10173 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10174 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10175 board[toY][toX] = newPiece;
10177 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10178 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10179 // [HGM] superchess: take promotion piece out of holdings
10180 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10181 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10182 if(!--board[k][BOARD_WIDTH-2])
10183 board[k][BOARD_WIDTH-1] = EmptySquare;
10185 if(!--board[BOARD_HEIGHT-1-k][1])
10186 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10191 /* Updates forwardMostMove */
10193 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10195 int x = toX, y = toY;
10196 char *s = parseList[forwardMostMove];
10197 ChessSquare p = boards[forwardMostMove][toY][toX];
10198 // forwardMostMove++; // [HGM] bare: moved downstream
10200 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10201 (void) CoordsToAlgebraic(boards[forwardMostMove],
10202 PosFlags(forwardMostMove),
10203 fromY, fromX, y, x, promoChar,
10205 if(killX >= 0 && killY >= 0)
10206 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10208 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10209 int timeLeft; static int lastLoadFlag=0; int king, piece;
10210 piece = boards[forwardMostMove][fromY][fromX];
10211 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10212 if(gameInfo.variant == VariantKnightmate)
10213 king += (int) WhiteUnicorn - (int) WhiteKing;
10214 if(forwardMostMove == 0) {
10215 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10216 fprintf(serverMoves, "%s;", UserName());
10217 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10218 fprintf(serverMoves, "%s;", second.tidy);
10219 fprintf(serverMoves, "%s;", first.tidy);
10220 if(gameMode == MachinePlaysWhite)
10221 fprintf(serverMoves, "%s;", UserName());
10222 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10223 fprintf(serverMoves, "%s;", second.tidy);
10224 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10225 lastLoadFlag = loadFlag;
10227 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10228 // print castling suffix
10229 if( toY == fromY && piece == king ) {
10231 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10233 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10236 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10237 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10238 boards[forwardMostMove][toY][toX] == EmptySquare
10239 && fromX != toX && fromY != toY)
10240 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10241 // promotion suffix
10242 if(promoChar != NULLCHAR) {
10243 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10244 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10245 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10246 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10249 char buf[MOVE_LEN*2], *p; int len;
10250 fprintf(serverMoves, "/%d/%d",
10251 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10252 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10253 else timeLeft = blackTimeRemaining/1000;
10254 fprintf(serverMoves, "/%d", timeLeft);
10255 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10256 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10257 if(p = strchr(buf, '=')) *p = NULLCHAR;
10258 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10259 fprintf(serverMoves, "/%s", buf);
10261 fflush(serverMoves);
10264 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10265 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10268 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10269 if (commentList[forwardMostMove+1] != NULL) {
10270 free(commentList[forwardMostMove+1]);
10271 commentList[forwardMostMove+1] = NULL;
10273 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10274 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10275 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10276 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10277 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10278 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10279 adjustedClock = FALSE;
10280 gameInfo.result = GameUnfinished;
10281 if (gameInfo.resultDetails != NULL) {
10282 free(gameInfo.resultDetails);
10283 gameInfo.resultDetails = NULL;
10285 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10286 moveList[forwardMostMove - 1]);
10287 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10293 if(!IS_SHOGI(gameInfo.variant))
10294 strcat(parseList[forwardMostMove - 1], "+");
10298 strcat(parseList[forwardMostMove - 1], "#");
10303 /* Updates currentMove if not pausing */
10305 ShowMove (int fromX, int fromY, int toX, int toY)
10307 int instant = (gameMode == PlayFromGameFile) ?
10308 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10309 if(appData.noGUI) return;
10310 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10312 if (forwardMostMove == currentMove + 1) {
10313 AnimateMove(boards[forwardMostMove - 1],
10314 fromX, fromY, toX, toY);
10317 currentMove = forwardMostMove;
10320 killX = killY = -1; // [HGM] lion: used up
10322 if (instant) return;
10324 DisplayMove(currentMove - 1);
10325 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10326 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10327 SetHighlights(fromX, fromY, toX, toY);
10330 DrawPosition(FALSE, boards[currentMove]);
10331 DisplayBothClocks();
10332 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10336 SendEgtPath (ChessProgramState *cps)
10337 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10338 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10340 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10343 char c, *q = name+1, *r, *s;
10345 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10346 while(*p && *p != ',') *q++ = *p++;
10347 *q++ = ':'; *q = 0;
10348 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10349 strcmp(name, ",nalimov:") == 0 ) {
10350 // take nalimov path from the menu-changeable option first, if it is defined
10351 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10352 SendToProgram(buf,cps); // send egtbpath command for nalimov
10354 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10355 (s = StrStr(appData.egtFormats, name)) != NULL) {
10356 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10357 s = r = StrStr(s, ":") + 1; // beginning of path info
10358 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10359 c = *r; *r = 0; // temporarily null-terminate path info
10360 *--q = 0; // strip of trailig ':' from name
10361 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10363 SendToProgram(buf,cps); // send egtbpath command for this format
10365 if(*p == ',') p++; // read away comma to position for next format name
10370 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10372 int width = 8, height = 8, holdings = 0; // most common sizes
10373 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10374 // correct the deviations default for each variant
10375 if( v == VariantXiangqi ) width = 9, height = 10;
10376 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10377 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10378 if( v == VariantCapablanca || v == VariantCapaRandom ||
10379 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10381 if( v == VariantCourier ) width = 12;
10382 if( v == VariantSuper ) holdings = 8;
10383 if( v == VariantGreat ) width = 10, holdings = 8;
10384 if( v == VariantSChess ) holdings = 7;
10385 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10386 if( v == VariantChuChess) width = 10, height = 10;
10387 if( v == VariantChu ) width = 12, height = 12;
10388 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10389 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10390 holdingsSize >= 0 && holdingsSize != holdings;
10393 char variantError[MSG_SIZ];
10396 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10397 { // returns error message (recognizable by upper-case) if engine does not support the variant
10398 char *p, *variant = VariantName(v);
10399 static char b[MSG_SIZ];
10400 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10401 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10402 holdingsSize, variant); // cook up sized variant name
10403 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10404 if(StrStr(list, b) == NULL) {
10405 // specific sized variant not known, check if general sizing allowed
10406 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10407 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10408 boardWidth, boardHeight, holdingsSize, engine);
10411 /* [HGM] here we really should compare with the maximum supported board size */
10413 } else snprintf(b, MSG_SIZ,"%s", variant);
10414 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10415 p = StrStr(list, b);
10416 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10418 // occurs not at all in list, or only as sub-string
10419 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10420 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10421 int l = strlen(variantError);
10423 while(p != list && p[-1] != ',') p--;
10424 q = strchr(p, ',');
10425 if(q) *q = NULLCHAR;
10426 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10435 InitChessProgram (ChessProgramState *cps, int setup)
10436 /* setup needed to setup FRC opening position */
10438 char buf[MSG_SIZ], *b;
10439 if (appData.noChessProgram) return;
10440 hintRequested = FALSE;
10441 bookRequested = FALSE;
10443 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10444 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10445 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10446 if(cps->memSize) { /* [HGM] memory */
10447 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10448 SendToProgram(buf, cps);
10450 SendEgtPath(cps); /* [HGM] EGT */
10451 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10452 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10453 SendToProgram(buf, cps);
10456 setboardSpoiledMachineBlack = FALSE;
10457 SendToProgram(cps->initString, cps);
10458 if (gameInfo.variant != VariantNormal &&
10459 gameInfo.variant != VariantLoadable
10460 /* [HGM] also send variant if board size non-standard */
10461 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10463 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10464 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10466 DisplayFatalError(variantError, 0, 1);
10470 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10471 SendToProgram(buf, cps);
10473 currentlyInitializedVariant = gameInfo.variant;
10475 /* [HGM] send opening position in FRC to first engine */
10477 SendToProgram("force\n", cps);
10479 /* engine is now in force mode! Set flag to wake it up after first move. */
10480 setboardSpoiledMachineBlack = 1;
10483 if (cps->sendICS) {
10484 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10485 SendToProgram(buf, cps);
10487 cps->maybeThinking = FALSE;
10488 cps->offeredDraw = 0;
10489 if (!appData.icsActive) {
10490 SendTimeControl(cps, movesPerSession, timeControl,
10491 timeIncrement, appData.searchDepth,
10494 if (appData.showThinking
10495 // [HGM] thinking: four options require thinking output to be sent
10496 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10498 SendToProgram("post\n", cps);
10500 SendToProgram("hard\n", cps);
10501 if (!appData.ponderNextMove) {
10502 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10503 it without being sure what state we are in first. "hard"
10504 is not a toggle, so that one is OK.
10506 SendToProgram("easy\n", cps);
10508 if (cps->usePing) {
10509 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10510 SendToProgram(buf, cps);
10512 cps->initDone = TRUE;
10513 ClearEngineOutputPane(cps == &second);
10518 ResendOptions (ChessProgramState *cps)
10519 { // send the stored value of the options
10522 Option *opt = cps->option;
10523 for(i=0; i<cps->nrOptions; i++, opt++) {
10524 switch(opt->type) {
10528 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10531 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10534 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10540 SendToProgram(buf, cps);
10545 StartChessProgram (ChessProgramState *cps)
10550 if (appData.noChessProgram) return;
10551 cps->initDone = FALSE;
10553 if (strcmp(cps->host, "localhost") == 0) {
10554 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10555 } else if (*appData.remoteShell == NULLCHAR) {
10556 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10558 if (*appData.remoteUser == NULLCHAR) {
10559 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10562 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10563 cps->host, appData.remoteUser, cps->program);
10565 err = StartChildProcess(buf, "", &cps->pr);
10569 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10570 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10571 if(cps != &first) return;
10572 appData.noChessProgram = TRUE;
10575 // DisplayFatalError(buf, err, 1);
10576 // cps->pr = NoProc;
10577 // cps->isr = NULL;
10581 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10582 if (cps->protocolVersion > 1) {
10583 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10584 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10585 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10586 cps->comboCnt = 0; // and values of combo boxes
10588 SendToProgram(buf, cps);
10589 if(cps->reload) ResendOptions(cps);
10591 SendToProgram("xboard\n", cps);
10596 TwoMachinesEventIfReady P((void))
10598 static int curMess = 0;
10599 if (first.lastPing != first.lastPong) {
10600 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10601 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10604 if (second.lastPing != second.lastPong) {
10605 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10606 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10609 DisplayMessage("", ""); curMess = 0;
10610 TwoMachinesEvent();
10614 MakeName (char *template)
10618 static char buf[MSG_SIZ];
10622 clock = time((time_t *)NULL);
10623 tm = localtime(&clock);
10625 while(*p++ = *template++) if(p[-1] == '%') {
10626 switch(*template++) {
10627 case 0: *p = 0; return buf;
10628 case 'Y': i = tm->tm_year+1900; break;
10629 case 'y': i = tm->tm_year-100; break;
10630 case 'M': i = tm->tm_mon+1; break;
10631 case 'd': i = tm->tm_mday; break;
10632 case 'h': i = tm->tm_hour; break;
10633 case 'm': i = tm->tm_min; break;
10634 case 's': i = tm->tm_sec; break;
10637 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10643 CountPlayers (char *p)
10646 while(p = strchr(p, '\n')) p++, n++; // count participants
10651 WriteTourneyFile (char *results, FILE *f)
10652 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10653 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10654 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10655 // create a file with tournament description
10656 fprintf(f, "-participants {%s}\n", appData.participants);
10657 fprintf(f, "-seedBase %d\n", appData.seedBase);
10658 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10659 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10660 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10661 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10662 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10663 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10664 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10665 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10666 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10667 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10668 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10669 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10670 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10671 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10672 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10673 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10674 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10675 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10676 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10677 fprintf(f, "-smpCores %d\n", appData.smpCores);
10679 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10681 fprintf(f, "-mps %d\n", appData.movesPerSession);
10682 fprintf(f, "-tc %s\n", appData.timeControl);
10683 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10685 fprintf(f, "-results \"%s\"\n", results);
10690 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10693 Substitute (char *participants, int expunge)
10695 int i, changed, changes=0, nPlayers=0;
10696 char *p, *q, *r, buf[MSG_SIZ];
10697 if(participants == NULL) return;
10698 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10699 r = p = participants; q = appData.participants;
10700 while(*p && *p == *q) {
10701 if(*p == '\n') r = p+1, nPlayers++;
10704 if(*p) { // difference
10705 while(*p && *p++ != '\n');
10706 while(*q && *q++ != '\n');
10707 changed = nPlayers;
10708 changes = 1 + (strcmp(p, q) != 0);
10710 if(changes == 1) { // a single engine mnemonic was changed
10711 q = r; while(*q) nPlayers += (*q++ == '\n');
10712 p = buf; while(*r && (*p = *r++) != '\n') p++;
10714 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10715 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10716 if(mnemonic[i]) { // The substitute is valid
10718 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10719 flock(fileno(f), LOCK_EX);
10720 ParseArgsFromFile(f);
10721 fseek(f, 0, SEEK_SET);
10722 FREE(appData.participants); appData.participants = participants;
10723 if(expunge) { // erase results of replaced engine
10724 int len = strlen(appData.results), w, b, dummy;
10725 for(i=0; i<len; i++) {
10726 Pairing(i, nPlayers, &w, &b, &dummy);
10727 if((w == changed || b == changed) && appData.results[i] == '*') {
10728 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10733 for(i=0; i<len; i++) {
10734 Pairing(i, nPlayers, &w, &b, &dummy);
10735 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10738 WriteTourneyFile(appData.results, f);
10739 fclose(f); // release lock
10742 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10744 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10745 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10746 free(participants);
10751 CheckPlayers (char *participants)
10754 char buf[MSG_SIZ], *p;
10755 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10756 while(p = strchr(participants, '\n')) {
10758 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10760 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10762 DisplayError(buf, 0);
10766 participants = p + 1;
10772 CreateTourney (char *name)
10775 if(matchMode && strcmp(name, appData.tourneyFile)) {
10776 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10778 if(name[0] == NULLCHAR) {
10779 if(appData.participants[0])
10780 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10783 f = fopen(name, "r");
10784 if(f) { // file exists
10785 ASSIGN(appData.tourneyFile, name);
10786 ParseArgsFromFile(f); // parse it
10788 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10789 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10790 DisplayError(_("Not enough participants"), 0);
10793 if(CheckPlayers(appData.participants)) return 0;
10794 ASSIGN(appData.tourneyFile, name);
10795 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10796 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10799 appData.noChessProgram = FALSE;
10800 appData.clockMode = TRUE;
10806 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10808 char buf[MSG_SIZ], *p, *q;
10809 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10810 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10811 skip = !all && group[0]; // if group requested, we start in skip mode
10812 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10813 p = names; q = buf; header = 0;
10814 while(*p && *p != '\n') *q++ = *p++;
10816 if(*p == '\n') p++;
10817 if(buf[0] == '#') {
10818 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10819 depth++; // we must be entering a new group
10820 if(all) continue; // suppress printing group headers when complete list requested
10822 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10824 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10825 if(engineList[i]) free(engineList[i]);
10826 engineList[i] = strdup(buf);
10827 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10828 if(engineMnemonic[i]) free(engineMnemonic[i]);
10829 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10831 sscanf(q + 8, "%s", buf + strlen(buf));
10834 engineMnemonic[i] = strdup(buf);
10837 engineList[i] = engineMnemonic[i] = NULL;
10841 // following implemented as macro to avoid type limitations
10842 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10845 SwapEngines (int n)
10846 { // swap settings for first engine and other engine (so far only some selected options)
10851 SWAP(chessProgram, p)
10853 SWAP(hasOwnBookUCI, h)
10854 SWAP(protocolVersion, h)
10856 SWAP(scoreIsAbsolute, h)
10861 SWAP(engOptions, p)
10862 SWAP(engInitString, p)
10863 SWAP(computerString, p)
10865 SWAP(fenOverride, p)
10867 SWAP(accumulateTC, h)
10874 GetEngineLine (char *s, int n)
10878 extern char *icsNames;
10879 if(!s || !*s) return 0;
10880 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10881 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10882 if(!mnemonic[i]) return 0;
10883 if(n == 11) return 1; // just testing if there was a match
10884 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10885 if(n == 1) SwapEngines(n);
10886 ParseArgsFromString(buf);
10887 if(n == 1) SwapEngines(n);
10888 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10889 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10890 ParseArgsFromString(buf);
10896 SetPlayer (int player, char *p)
10897 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10899 char buf[MSG_SIZ], *engineName;
10900 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10901 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10902 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10904 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10905 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10906 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10907 ParseArgsFromString(buf);
10908 } else { // no engine with this nickname is installed!
10909 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10910 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10911 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10913 DisplayError(buf, 0);
10920 char *recentEngines;
10923 RecentEngineEvent (int nr)
10926 // SwapEngines(1); // bump first to second
10927 // ReplaceEngine(&second, 1); // and load it there
10928 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10929 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10930 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10931 ReplaceEngine(&first, 0);
10932 FloatToFront(&appData.recentEngineList, command[n]);
10937 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10938 { // determine players from game number
10939 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10941 if(appData.tourneyType == 0) {
10942 roundsPerCycle = (nPlayers - 1) | 1;
10943 pairingsPerRound = nPlayers / 2;
10944 } else if(appData.tourneyType > 0) {
10945 roundsPerCycle = nPlayers - appData.tourneyType;
10946 pairingsPerRound = appData.tourneyType;
10948 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10949 gamesPerCycle = gamesPerRound * roundsPerCycle;
10950 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10951 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10952 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10953 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10954 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10955 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10957 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10958 if(appData.roundSync) *syncInterval = gamesPerRound;
10960 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10962 if(appData.tourneyType == 0) {
10963 if(curPairing == (nPlayers-1)/2 ) {
10964 *whitePlayer = curRound;
10965 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10967 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10968 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10969 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10970 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10972 } else if(appData.tourneyType > 1) {
10973 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10974 *whitePlayer = curRound + appData.tourneyType;
10975 } else if(appData.tourneyType > 0) {
10976 *whitePlayer = curPairing;
10977 *blackPlayer = curRound + appData.tourneyType;
10980 // take care of white/black alternation per round.
10981 // For cycles and games this is already taken care of by default, derived from matchGame!
10982 return curRound & 1;
10986 NextTourneyGame (int nr, int *swapColors)
10987 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10989 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10991 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10992 tf = fopen(appData.tourneyFile, "r");
10993 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10994 ParseArgsFromFile(tf); fclose(tf);
10995 InitTimeControls(); // TC might be altered from tourney file
10997 nPlayers = CountPlayers(appData.participants); // count participants
10998 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10999 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11002 p = q = appData.results;
11003 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11004 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11005 DisplayMessage(_("Waiting for other game(s)"),"");
11006 waitingForGame = TRUE;
11007 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11010 waitingForGame = FALSE;
11013 if(appData.tourneyType < 0) {
11014 if(nr>=0 && !pairingReceived) {
11016 if(pairing.pr == NoProc) {
11017 if(!appData.pairingEngine[0]) {
11018 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11021 StartChessProgram(&pairing); // starts the pairing engine
11023 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11024 SendToProgram(buf, &pairing);
11025 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11026 SendToProgram(buf, &pairing);
11027 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11029 pairingReceived = 0; // ... so we continue here
11031 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11032 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11033 matchGame = 1; roundNr = nr / syncInterval + 1;
11036 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11038 // redefine engines, engine dir, etc.
11039 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11040 if(first.pr == NoProc) {
11041 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11042 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11044 if(second.pr == NoProc) {
11046 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11047 SwapEngines(1); // and make that valid for second engine by swapping
11048 InitEngine(&second, 1);
11050 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11051 UpdateLogos(FALSE); // leave display to ModeHiglight()
11057 { // performs game initialization that does not invoke engines, and then tries to start the game
11058 int res, firstWhite, swapColors = 0;
11059 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11060 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
11062 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11063 if(strcmp(buf, currentDebugFile)) { // name has changed
11064 FILE *f = fopen(buf, "w");
11065 if(f) { // if opening the new file failed, just keep using the old one
11066 ASSIGN(currentDebugFile, buf);
11070 if(appData.serverFileName) {
11071 if(serverFP) fclose(serverFP);
11072 serverFP = fopen(appData.serverFileName, "w");
11073 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11074 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11078 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11079 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11080 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11081 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11082 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11083 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11084 Reset(FALSE, first.pr != NoProc);
11085 res = LoadGameOrPosition(matchGame); // setup game
11086 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11087 if(!res) return; // abort when bad game/pos file
11088 TwoMachinesEvent();
11092 UserAdjudicationEvent (int result)
11094 ChessMove gameResult = GameIsDrawn;
11097 gameResult = WhiteWins;
11099 else if( result < 0 ) {
11100 gameResult = BlackWins;
11103 if( gameMode == TwoMachinesPlay ) {
11104 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11109 // [HGM] save: calculate checksum of game to make games easily identifiable
11111 StringCheckSum (char *s)
11114 if(s==NULL) return 0;
11115 while(*s) i = i*259 + *s++;
11123 for(i=backwardMostMove; i<forwardMostMove; i++) {
11124 sum += pvInfoList[i].depth;
11125 sum += StringCheckSum(parseList[i]);
11126 sum += StringCheckSum(commentList[i]);
11129 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11130 return sum + StringCheckSum(commentList[i]);
11131 } // end of save patch
11134 GameEnds (ChessMove result, char *resultDetails, int whosays)
11136 GameMode nextGameMode;
11138 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11140 if(endingGame) return; /* [HGM] crash: forbid recursion */
11142 if(twoBoards) { // [HGM] dual: switch back to one board
11143 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11144 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11146 if (appData.debugMode) {
11147 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11148 result, resultDetails ? resultDetails : "(null)", whosays);
11151 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11153 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11155 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11156 /* If we are playing on ICS, the server decides when the
11157 game is over, but the engine can offer to draw, claim
11161 if (appData.zippyPlay && first.initDone) {
11162 if (result == GameIsDrawn) {
11163 /* In case draw still needs to be claimed */
11164 SendToICS(ics_prefix);
11165 SendToICS("draw\n");
11166 } else if (StrCaseStr(resultDetails, "resign")) {
11167 SendToICS(ics_prefix);
11168 SendToICS("resign\n");
11172 endingGame = 0; /* [HGM] crash */
11176 /* If we're loading the game from a file, stop */
11177 if (whosays == GE_FILE) {
11178 (void) StopLoadGameTimer();
11182 /* Cancel draw offers */
11183 first.offeredDraw = second.offeredDraw = 0;
11185 /* If this is an ICS game, only ICS can really say it's done;
11186 if not, anyone can. */
11187 isIcsGame = (gameMode == IcsPlayingWhite ||
11188 gameMode == IcsPlayingBlack ||
11189 gameMode == IcsObserving ||
11190 gameMode == IcsExamining);
11192 if (!isIcsGame || whosays == GE_ICS) {
11193 /* OK -- not an ICS game, or ICS said it was done */
11195 if (!isIcsGame && !appData.noChessProgram)
11196 SetUserThinkingEnables();
11198 /* [HGM] if a machine claims the game end we verify this claim */
11199 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11200 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11202 ChessMove trueResult = (ChessMove) -1;
11204 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11205 first.twoMachinesColor[0] :
11206 second.twoMachinesColor[0] ;
11208 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11209 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11210 /* [HGM] verify: engine mate claims accepted if they were flagged */
11211 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11213 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11214 /* [HGM] verify: engine mate claims accepted if they were flagged */
11215 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11217 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11218 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11221 // now verify win claims, but not in drop games, as we don't understand those yet
11222 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11223 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11224 (result == WhiteWins && claimer == 'w' ||
11225 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11226 if (appData.debugMode) {
11227 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11228 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11230 if(result != trueResult) {
11231 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11232 result = claimer == 'w' ? BlackWins : WhiteWins;
11233 resultDetails = buf;
11236 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11237 && (forwardMostMove <= backwardMostMove ||
11238 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11239 (claimer=='b')==(forwardMostMove&1))
11241 /* [HGM] verify: draws that were not flagged are false claims */
11242 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11243 result = claimer == 'w' ? BlackWins : WhiteWins;
11244 resultDetails = buf;
11246 /* (Claiming a loss is accepted no questions asked!) */
11247 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11248 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11249 result = GameUnfinished;
11250 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11252 /* [HGM] bare: don't allow bare King to win */
11253 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11254 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11255 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11256 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11257 && result != GameIsDrawn)
11258 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11259 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11260 int p = (signed char)boards[forwardMostMove][i][j] - color;
11261 if(p >= 0 && p <= (int)WhiteKing) k++;
11263 if (appData.debugMode) {
11264 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11265 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11268 result = GameIsDrawn;
11269 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11270 resultDetails = buf;
11276 if(serverMoves != NULL && !loadFlag) { char c = '=';
11277 if(result==WhiteWins) c = '+';
11278 if(result==BlackWins) c = '-';
11279 if(resultDetails != NULL)
11280 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11282 if (resultDetails != NULL) {
11283 gameInfo.result = result;
11284 gameInfo.resultDetails = StrSave(resultDetails);
11286 /* display last move only if game was not loaded from file */
11287 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11288 DisplayMove(currentMove - 1);
11290 if (forwardMostMove != 0) {
11291 if (gameMode != PlayFromGameFile && gameMode != EditGame
11292 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11294 if (*appData.saveGameFile != NULLCHAR) {
11295 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11296 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11298 SaveGameToFile(appData.saveGameFile, TRUE);
11299 } else if (appData.autoSaveGames) {
11300 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11302 if (*appData.savePositionFile != NULLCHAR) {
11303 SavePositionToFile(appData.savePositionFile);
11305 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11309 /* Tell program how game ended in case it is learning */
11310 /* [HGM] Moved this to after saving the PGN, just in case */
11311 /* engine died and we got here through time loss. In that */
11312 /* case we will get a fatal error writing the pipe, which */
11313 /* would otherwise lose us the PGN. */
11314 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11315 /* output during GameEnds should never be fatal anymore */
11316 if (gameMode == MachinePlaysWhite ||
11317 gameMode == MachinePlaysBlack ||
11318 gameMode == TwoMachinesPlay ||
11319 gameMode == IcsPlayingWhite ||
11320 gameMode == IcsPlayingBlack ||
11321 gameMode == BeginningOfGame) {
11323 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11325 if (first.pr != NoProc) {
11326 SendToProgram(buf, &first);
11328 if (second.pr != NoProc &&
11329 gameMode == TwoMachinesPlay) {
11330 SendToProgram(buf, &second);
11335 if (appData.icsActive) {
11336 if (appData.quietPlay &&
11337 (gameMode == IcsPlayingWhite ||
11338 gameMode == IcsPlayingBlack)) {
11339 SendToICS(ics_prefix);
11340 SendToICS("set shout 1\n");
11342 nextGameMode = IcsIdle;
11343 ics_user_moved = FALSE;
11344 /* clean up premove. It's ugly when the game has ended and the
11345 * premove highlights are still on the board.
11348 gotPremove = FALSE;
11349 ClearPremoveHighlights();
11350 DrawPosition(FALSE, boards[currentMove]);
11352 if (whosays == GE_ICS) {
11355 if (gameMode == IcsPlayingWhite)
11357 else if(gameMode == IcsPlayingBlack)
11358 PlayIcsLossSound();
11361 if (gameMode == IcsPlayingBlack)
11363 else if(gameMode == IcsPlayingWhite)
11364 PlayIcsLossSound();
11367 PlayIcsDrawSound();
11370 PlayIcsUnfinishedSound();
11373 if(appData.quitNext) { ExitEvent(0); return; }
11374 } else if (gameMode == EditGame ||
11375 gameMode == PlayFromGameFile ||
11376 gameMode == AnalyzeMode ||
11377 gameMode == AnalyzeFile) {
11378 nextGameMode = gameMode;
11380 nextGameMode = EndOfGame;
11385 nextGameMode = gameMode;
11388 if (appData.noChessProgram) {
11389 gameMode = nextGameMode;
11391 endingGame = 0; /* [HGM] crash */
11396 /* Put first chess program into idle state */
11397 if (first.pr != NoProc &&
11398 (gameMode == MachinePlaysWhite ||
11399 gameMode == MachinePlaysBlack ||
11400 gameMode == TwoMachinesPlay ||
11401 gameMode == IcsPlayingWhite ||
11402 gameMode == IcsPlayingBlack ||
11403 gameMode == BeginningOfGame)) {
11404 SendToProgram("force\n", &first);
11405 if (first.usePing) {
11407 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11408 SendToProgram(buf, &first);
11411 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11412 /* Kill off first chess program */
11413 if (first.isr != NULL)
11414 RemoveInputSource(first.isr);
11417 if (first.pr != NoProc) {
11419 DoSleep( appData.delayBeforeQuit );
11420 SendToProgram("quit\n", &first);
11421 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11422 first.reload = TRUE;
11426 if (second.reuse) {
11427 /* Put second chess program into idle state */
11428 if (second.pr != NoProc &&
11429 gameMode == TwoMachinesPlay) {
11430 SendToProgram("force\n", &second);
11431 if (second.usePing) {
11433 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11434 SendToProgram(buf, &second);
11437 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11438 /* Kill off second chess program */
11439 if (second.isr != NULL)
11440 RemoveInputSource(second.isr);
11443 if (second.pr != NoProc) {
11444 DoSleep( appData.delayBeforeQuit );
11445 SendToProgram("quit\n", &second);
11446 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11447 second.reload = TRUE;
11449 second.pr = NoProc;
11452 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11453 char resChar = '=';
11457 if (first.twoMachinesColor[0] == 'w') {
11460 second.matchWins++;
11465 if (first.twoMachinesColor[0] == 'b') {
11468 second.matchWins++;
11471 case GameUnfinished:
11477 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11478 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11479 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11480 ReserveGame(nextGame, resChar); // sets nextGame
11481 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11482 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11483 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11485 if (nextGame <= appData.matchGames && !abortMatch) {
11486 gameMode = nextGameMode;
11487 matchGame = nextGame; // this will be overruled in tourney mode!
11488 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11489 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11490 endingGame = 0; /* [HGM] crash */
11493 gameMode = nextGameMode;
11494 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11495 first.tidy, second.tidy,
11496 first.matchWins, second.matchWins,
11497 appData.matchGames - (first.matchWins + second.matchWins));
11498 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11499 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11500 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11501 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11502 first.twoMachinesColor = "black\n";
11503 second.twoMachinesColor = "white\n";
11505 first.twoMachinesColor = "white\n";
11506 second.twoMachinesColor = "black\n";
11510 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11511 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11513 gameMode = nextGameMode;
11515 endingGame = 0; /* [HGM] crash */
11516 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11517 if(matchMode == TRUE) { // match through command line: exit with or without popup
11519 ToNrEvent(forwardMostMove);
11520 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11522 } else DisplayFatalError(buf, 0, 0);
11523 } else { // match through menu; just stop, with or without popup
11524 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11527 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11528 } else DisplayNote(buf);
11530 if(ranking) free(ranking);
11534 /* Assumes program was just initialized (initString sent).
11535 Leaves program in force mode. */
11537 FeedMovesToProgram (ChessProgramState *cps, int upto)
11541 if (appData.debugMode)
11542 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11543 startedFromSetupPosition ? "position and " : "",
11544 backwardMostMove, upto, cps->which);
11545 if(currentlyInitializedVariant != gameInfo.variant) {
11547 // [HGM] variantswitch: make engine aware of new variant
11548 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11549 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11550 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11551 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11552 SendToProgram(buf, cps);
11553 currentlyInitializedVariant = gameInfo.variant;
11555 SendToProgram("force\n", cps);
11556 if (startedFromSetupPosition) {
11557 SendBoard(cps, backwardMostMove);
11558 if (appData.debugMode) {
11559 fprintf(debugFP, "feedMoves\n");
11562 for (i = backwardMostMove; i < upto; i++) {
11563 SendMoveToProgram(i, cps);
11569 ResurrectChessProgram ()
11571 /* The chess program may have exited.
11572 If so, restart it and feed it all the moves made so far. */
11573 static int doInit = 0;
11575 if (appData.noChessProgram) return 1;
11577 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11578 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11579 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11580 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11582 if (first.pr != NoProc) return 1;
11583 StartChessProgram(&first);
11585 InitChessProgram(&first, FALSE);
11586 FeedMovesToProgram(&first, currentMove);
11588 if (!first.sendTime) {
11589 /* can't tell gnuchess what its clock should read,
11590 so we bow to its notion. */
11592 timeRemaining[0][currentMove] = whiteTimeRemaining;
11593 timeRemaining[1][currentMove] = blackTimeRemaining;
11596 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11597 appData.icsEngineAnalyze) && first.analysisSupport) {
11598 SendToProgram("analyze\n", &first);
11599 first.analyzing = TRUE;
11605 * Button procedures
11608 Reset (int redraw, int init)
11612 if (appData.debugMode) {
11613 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11614 redraw, init, gameMode);
11616 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11617 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11618 CleanupTail(); // [HGM] vari: delete any stored variations
11619 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11620 pausing = pauseExamInvalid = FALSE;
11621 startedFromSetupPosition = blackPlaysFirst = FALSE;
11623 whiteFlag = blackFlag = FALSE;
11624 userOfferedDraw = FALSE;
11625 hintRequested = bookRequested = FALSE;
11626 first.maybeThinking = FALSE;
11627 second.maybeThinking = FALSE;
11628 first.bookSuspend = FALSE; // [HGM] book
11629 second.bookSuspend = FALSE;
11630 thinkOutput[0] = NULLCHAR;
11631 lastHint[0] = NULLCHAR;
11632 ClearGameInfo(&gameInfo);
11633 gameInfo.variant = StringToVariant(appData.variant);
11634 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11635 ics_user_moved = ics_clock_paused = FALSE;
11636 ics_getting_history = H_FALSE;
11638 white_holding[0] = black_holding[0] = NULLCHAR;
11639 ClearProgramStats();
11640 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11644 flipView = appData.flipView;
11645 ClearPremoveHighlights();
11646 gotPremove = FALSE;
11647 alarmSounded = FALSE;
11648 killX = killY = -1; // [HGM] lion
11650 GameEnds(EndOfFile, NULL, GE_PLAYER);
11651 if(appData.serverMovesName != NULL) {
11652 /* [HGM] prepare to make moves file for broadcasting */
11653 clock_t t = clock();
11654 if(serverMoves != NULL) fclose(serverMoves);
11655 serverMoves = fopen(appData.serverMovesName, "r");
11656 if(serverMoves != NULL) {
11657 fclose(serverMoves);
11658 /* delay 15 sec before overwriting, so all clients can see end */
11659 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11661 serverMoves = fopen(appData.serverMovesName, "w");
11665 gameMode = BeginningOfGame;
11667 if(appData.icsActive) gameInfo.variant = VariantNormal;
11668 currentMove = forwardMostMove = backwardMostMove = 0;
11669 MarkTargetSquares(1);
11670 InitPosition(redraw);
11671 for (i = 0; i < MAX_MOVES; i++) {
11672 if (commentList[i] != NULL) {
11673 free(commentList[i]);
11674 commentList[i] = NULL;
11678 timeRemaining[0][0] = whiteTimeRemaining;
11679 timeRemaining[1][0] = blackTimeRemaining;
11681 if (first.pr == NoProc) {
11682 StartChessProgram(&first);
11685 InitChessProgram(&first, startedFromSetupPosition);
11688 DisplayMessage("", "");
11689 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11690 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11691 ClearMap(); // [HGM] exclude: invalidate map
11695 AutoPlayGameLoop ()
11698 if (!AutoPlayOneMove())
11700 if (matchMode || appData.timeDelay == 0)
11702 if (appData.timeDelay < 0)
11704 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11712 ReloadGame(1); // next game
11718 int fromX, fromY, toX, toY;
11720 if (appData.debugMode) {
11721 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11724 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11727 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11728 pvInfoList[currentMove].depth = programStats.depth;
11729 pvInfoList[currentMove].score = programStats.score;
11730 pvInfoList[currentMove].time = 0;
11731 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11732 else { // append analysis of final position as comment
11734 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11735 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11737 programStats.depth = 0;
11740 if (currentMove >= forwardMostMove) {
11741 if(gameMode == AnalyzeFile) {
11742 if(appData.loadGameIndex == -1) {
11743 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11744 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11746 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11749 // gameMode = EndOfGame;
11750 // ModeHighlight();
11752 /* [AS] Clear current move marker at the end of a game */
11753 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11758 toX = moveList[currentMove][2] - AAA;
11759 toY = moveList[currentMove][3] - ONE;
11761 if (moveList[currentMove][1] == '@') {
11762 if (appData.highlightLastMove) {
11763 SetHighlights(-1, -1, toX, toY);
11766 int viaX = moveList[currentMove][5] - AAA;
11767 int viaY = moveList[currentMove][6] - ONE;
11768 fromX = moveList[currentMove][0] - AAA;
11769 fromY = moveList[currentMove][1] - ONE;
11771 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11773 if(moveList[currentMove][4] == ';') { // multi-leg
11774 ChessSquare piece = boards[currentMove][viaY][viaX];
11775 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11776 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11777 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11778 boards[currentMove][viaY][viaX] = piece;
11780 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11782 if (appData.highlightLastMove) {
11783 SetHighlights(fromX, fromY, toX, toY);
11786 DisplayMove(currentMove);
11787 SendMoveToProgram(currentMove++, &first);
11788 DisplayBothClocks();
11789 DrawPosition(FALSE, boards[currentMove]);
11790 // [HGM] PV info: always display, routine tests if empty
11791 DisplayComment(currentMove - 1, commentList[currentMove]);
11797 LoadGameOneMove (ChessMove readAhead)
11799 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11800 char promoChar = NULLCHAR;
11801 ChessMove moveType;
11802 char move[MSG_SIZ];
11805 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11806 gameMode != AnalyzeMode && gameMode != Training) {
11811 yyboardindex = forwardMostMove;
11812 if (readAhead != EndOfFile) {
11813 moveType = readAhead;
11815 if (gameFileFP == NULL)
11817 moveType = (ChessMove) Myylex();
11821 switch (moveType) {
11823 if (appData.debugMode)
11824 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11827 /* append the comment but don't display it */
11828 AppendComment(currentMove, p, FALSE);
11831 case WhiteCapturesEnPassant:
11832 case BlackCapturesEnPassant:
11833 case WhitePromotion:
11834 case BlackPromotion:
11835 case WhiteNonPromotion:
11836 case BlackNonPromotion:
11839 case WhiteKingSideCastle:
11840 case WhiteQueenSideCastle:
11841 case BlackKingSideCastle:
11842 case BlackQueenSideCastle:
11843 case WhiteKingSideCastleWild:
11844 case WhiteQueenSideCastleWild:
11845 case BlackKingSideCastleWild:
11846 case BlackQueenSideCastleWild:
11848 case WhiteHSideCastleFR:
11849 case WhiteASideCastleFR:
11850 case BlackHSideCastleFR:
11851 case BlackASideCastleFR:
11853 if (appData.debugMode)
11854 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11855 fromX = currentMoveString[0] - AAA;
11856 fromY = currentMoveString[1] - ONE;
11857 toX = currentMoveString[2] - AAA;
11858 toY = currentMoveString[3] - ONE;
11859 promoChar = currentMoveString[4];
11860 if(promoChar == ';') promoChar = NULLCHAR;
11865 if (appData.debugMode)
11866 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11867 fromX = moveType == WhiteDrop ?
11868 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11869 (int) CharToPiece(ToLower(currentMoveString[0]));
11871 toX = currentMoveString[2] - AAA;
11872 toY = currentMoveString[3] - ONE;
11878 case GameUnfinished:
11879 if (appData.debugMode)
11880 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11881 p = strchr(yy_text, '{');
11882 if (p == NULL) p = strchr(yy_text, '(');
11885 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11887 q = strchr(p, *p == '{' ? '}' : ')');
11888 if (q != NULL) *q = NULLCHAR;
11891 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11892 GameEnds(moveType, p, GE_FILE);
11894 if (cmailMsgLoaded) {
11896 flipView = WhiteOnMove(currentMove);
11897 if (moveType == GameUnfinished) flipView = !flipView;
11898 if (appData.debugMode)
11899 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11904 if (appData.debugMode)
11905 fprintf(debugFP, "Parser hit end of file\n");
11906 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11912 if (WhiteOnMove(currentMove)) {
11913 GameEnds(BlackWins, "Black mates", GE_FILE);
11915 GameEnds(WhiteWins, "White mates", GE_FILE);
11919 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11925 case MoveNumberOne:
11926 if (lastLoadGameStart == GNUChessGame) {
11927 /* GNUChessGames have numbers, but they aren't move numbers */
11928 if (appData.debugMode)
11929 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11930 yy_text, (int) moveType);
11931 return LoadGameOneMove(EndOfFile); /* tail recursion */
11933 /* else fall thru */
11938 /* Reached start of next game in file */
11939 if (appData.debugMode)
11940 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11941 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11947 if (WhiteOnMove(currentMove)) {
11948 GameEnds(BlackWins, "Black mates", GE_FILE);
11950 GameEnds(WhiteWins, "White mates", GE_FILE);
11954 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11960 case PositionDiagram: /* should not happen; ignore */
11961 case ElapsedTime: /* ignore */
11962 case NAG: /* ignore */
11963 if (appData.debugMode)
11964 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11965 yy_text, (int) moveType);
11966 return LoadGameOneMove(EndOfFile); /* tail recursion */
11969 if (appData.testLegality) {
11970 if (appData.debugMode)
11971 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11972 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11973 (forwardMostMove / 2) + 1,
11974 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11975 DisplayError(move, 0);
11978 if (appData.debugMode)
11979 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11980 yy_text, currentMoveString);
11981 fromX = currentMoveString[0] - AAA;
11982 fromY = currentMoveString[1] - ONE;
11983 toX = currentMoveString[2] - AAA;
11984 toY = currentMoveString[3] - ONE;
11985 promoChar = currentMoveString[4];
11989 case AmbiguousMove:
11990 if (appData.debugMode)
11991 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11992 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11993 (forwardMostMove / 2) + 1,
11994 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11995 DisplayError(move, 0);
12000 case ImpossibleMove:
12001 if (appData.debugMode)
12002 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12003 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12004 (forwardMostMove / 2) + 1,
12005 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12006 DisplayError(move, 0);
12012 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12013 DrawPosition(FALSE, boards[currentMove]);
12014 DisplayBothClocks();
12015 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12016 DisplayComment(currentMove - 1, commentList[currentMove]);
12018 (void) StopLoadGameTimer();
12020 cmailOldMove = forwardMostMove;
12023 /* currentMoveString is set as a side-effect of yylex */
12025 thinkOutput[0] = NULLCHAR;
12026 MakeMove(fromX, fromY, toX, toY, promoChar);
12027 killX = killY = -1; // [HGM] lion: used up
12028 currentMove = forwardMostMove;
12033 /* Load the nth game from the given file */
12035 LoadGameFromFile (char *filename, int n, char *title, int useList)
12040 if (strcmp(filename, "-") == 0) {
12044 f = fopen(filename, "rb");
12046 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12047 DisplayError(buf, errno);
12051 if (fseek(f, 0, 0) == -1) {
12052 /* f is not seekable; probably a pipe */
12055 if (useList && n == 0) {
12056 int error = GameListBuild(f);
12058 DisplayError(_("Cannot build game list"), error);
12059 } else if (!ListEmpty(&gameList) &&
12060 ((ListGame *) gameList.tailPred)->number > 1) {
12061 GameListPopUp(f, title);
12068 return LoadGame(f, n, title, FALSE);
12073 MakeRegisteredMove ()
12075 int fromX, fromY, toX, toY;
12077 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12078 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12081 if (appData.debugMode)
12082 fprintf(debugFP, "Restoring %s for game %d\n",
12083 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12085 thinkOutput[0] = NULLCHAR;
12086 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12087 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12088 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12089 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12090 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12091 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12092 MakeMove(fromX, fromY, toX, toY, promoChar);
12093 ShowMove(fromX, fromY, toX, toY);
12095 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12102 if (WhiteOnMove(currentMove)) {
12103 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12105 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12110 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12117 if (WhiteOnMove(currentMove)) {
12118 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12120 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12125 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12136 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12138 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12142 if (gameNumber > nCmailGames) {
12143 DisplayError(_("No more games in this message"), 0);
12146 if (f == lastLoadGameFP) {
12147 int offset = gameNumber - lastLoadGameNumber;
12149 cmailMsg[0] = NULLCHAR;
12150 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12151 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12152 nCmailMovesRegistered--;
12154 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12155 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12156 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12159 if (! RegisterMove()) return FALSE;
12163 retVal = LoadGame(f, gameNumber, title, useList);
12165 /* Make move registered during previous look at this game, if any */
12166 MakeRegisteredMove();
12168 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12169 commentList[currentMove]
12170 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12171 DisplayComment(currentMove - 1, commentList[currentMove]);
12177 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12179 ReloadGame (int offset)
12181 int gameNumber = lastLoadGameNumber + offset;
12182 if (lastLoadGameFP == NULL) {
12183 DisplayError(_("No game has been loaded yet"), 0);
12186 if (gameNumber <= 0) {
12187 DisplayError(_("Can't back up any further"), 0);
12190 if (cmailMsgLoaded) {
12191 return CmailLoadGame(lastLoadGameFP, gameNumber,
12192 lastLoadGameTitle, lastLoadGameUseList);
12194 return LoadGame(lastLoadGameFP, gameNumber,
12195 lastLoadGameTitle, lastLoadGameUseList);
12199 int keys[EmptySquare+1];
12202 PositionMatches (Board b1, Board b2)
12205 switch(appData.searchMode) {
12206 case 1: return CompareWithRights(b1, b2);
12208 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12209 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12213 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12214 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12215 sum += keys[b1[r][f]] - keys[b2[r][f]];
12219 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12220 sum += keys[b1[r][f]] - keys[b2[r][f]];
12232 int pieceList[256], quickBoard[256];
12233 ChessSquare pieceType[256] = { EmptySquare };
12234 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12235 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12236 int soughtTotal, turn;
12237 Boolean epOK, flipSearch;
12240 unsigned char piece, to;
12243 #define DSIZE (250000)
12245 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12246 Move *moveDatabase = initialSpace;
12247 unsigned int movePtr, dataSize = DSIZE;
12250 MakePieceList (Board board, int *counts)
12252 int r, f, n=Q_PROMO, total=0;
12253 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12254 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12255 int sq = f + (r<<4);
12256 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12257 quickBoard[sq] = ++n;
12259 pieceType[n] = board[r][f];
12260 counts[board[r][f]]++;
12261 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12262 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12266 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12271 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12273 int sq = fromX + (fromY<<4);
12274 int piece = quickBoard[sq], rook;
12275 quickBoard[sq] = 0;
12276 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12277 if(piece == pieceList[1] && fromY == toY) {
12278 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12279 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12280 moveDatabase[movePtr++].piece = Q_WCASTL;
12281 quickBoard[sq] = piece;
12282 piece = quickBoard[from]; quickBoard[from] = 0;
12283 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12284 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12285 quickBoard[sq] = 0; // remove Rook
12286 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12287 moveDatabase[movePtr++].piece = Q_WCASTL;
12288 quickBoard[sq] = pieceList[1]; // put King
12290 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12293 if(piece == pieceList[2] && fromY == toY) {
12294 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12295 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12296 moveDatabase[movePtr++].piece = Q_BCASTL;
12297 quickBoard[sq] = piece;
12298 piece = quickBoard[from]; quickBoard[from] = 0;
12299 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12300 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12301 quickBoard[sq] = 0; // remove Rook
12302 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12303 moveDatabase[movePtr++].piece = Q_BCASTL;
12304 quickBoard[sq] = pieceList[2]; // put King
12306 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12309 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12310 quickBoard[(fromY<<4)+toX] = 0;
12311 moveDatabase[movePtr].piece = Q_EP;
12312 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12313 moveDatabase[movePtr].to = sq;
12315 if(promoPiece != pieceType[piece]) {
12316 moveDatabase[movePtr++].piece = Q_PROMO;
12317 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12319 moveDatabase[movePtr].piece = piece;
12320 quickBoard[sq] = piece;
12325 PackGame (Board board)
12327 Move *newSpace = NULL;
12328 moveDatabase[movePtr].piece = 0; // terminate previous game
12329 if(movePtr > dataSize) {
12330 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12331 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12332 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12335 Move *p = moveDatabase, *q = newSpace;
12336 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12337 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12338 moveDatabase = newSpace;
12339 } else { // calloc failed, we must be out of memory. Too bad...
12340 dataSize = 0; // prevent calloc events for all subsequent games
12341 return 0; // and signal this one isn't cached
12345 MakePieceList(board, counts);
12350 QuickCompare (Board board, int *minCounts, int *maxCounts)
12351 { // compare according to search mode
12353 switch(appData.searchMode)
12355 case 1: // exact position match
12356 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12357 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12358 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12361 case 2: // can have extra material on empty squares
12362 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12363 if(board[r][f] == EmptySquare) continue;
12364 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12367 case 3: // material with exact Pawn structure
12368 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12369 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12370 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12371 } // fall through to material comparison
12372 case 4: // exact material
12373 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12375 case 6: // material range with given imbalance
12376 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12377 // fall through to range comparison
12378 case 5: // material range
12379 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12385 QuickScan (Board board, Move *move)
12386 { // reconstruct game,and compare all positions in it
12387 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12389 int piece = move->piece;
12390 int to = move->to, from = pieceList[piece];
12391 if(found < 0) { // if already found just scan to game end for final piece count
12392 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12393 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12394 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12395 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12397 static int lastCounts[EmptySquare+1];
12399 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12400 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12401 } else stretch = 0;
12402 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12403 if(found >= 0 && !appData.minPieces) return found;
12405 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12406 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12407 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12408 piece = (++move)->piece;
12409 from = pieceList[piece];
12410 counts[pieceType[piece]]--;
12411 pieceType[piece] = (ChessSquare) move->to;
12412 counts[move->to]++;
12413 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12414 counts[pieceType[quickBoard[to]]]--;
12415 quickBoard[to] = 0; total--;
12418 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12419 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12420 from = pieceList[piece]; // so this must be King
12421 quickBoard[from] = 0;
12422 pieceList[piece] = to;
12423 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12424 quickBoard[from] = 0; // rook
12425 quickBoard[to] = piece;
12426 to = move->to; piece = move->piece;
12430 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12431 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12432 quickBoard[from] = 0;
12434 quickBoard[to] = piece;
12435 pieceList[piece] = to;
12445 flipSearch = FALSE;
12446 CopyBoard(soughtBoard, boards[currentMove]);
12447 soughtTotal = MakePieceList(soughtBoard, maxSought);
12448 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12449 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12450 CopyBoard(reverseBoard, boards[currentMove]);
12451 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12452 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12453 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12454 reverseBoard[r][f] = piece;
12456 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12457 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12458 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12459 || (boards[currentMove][CASTLING][2] == NoRights ||
12460 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12461 && (boards[currentMove][CASTLING][5] == NoRights ||
12462 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12465 CopyBoard(flipBoard, soughtBoard);
12466 CopyBoard(rotateBoard, reverseBoard);
12467 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12468 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12469 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12472 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12473 if(appData.searchMode >= 5) {
12474 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12475 MakePieceList(soughtBoard, minSought);
12476 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12478 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12479 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12482 GameInfo dummyInfo;
12483 static int creatingBook;
12486 GameContainsPosition (FILE *f, ListGame *lg)
12488 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12489 int fromX, fromY, toX, toY;
12491 static int initDone=FALSE;
12493 // weed out games based on numerical tag comparison
12494 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12495 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12496 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12497 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12499 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12502 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12503 else CopyBoard(boards[scratch], initialPosition); // default start position
12506 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12507 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12510 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12511 fseek(f, lg->offset, 0);
12514 yyboardindex = scratch;
12515 quickFlag = plyNr+1;
12520 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12526 if(plyNr) return -1; // after we have seen moves, this is for new game
12529 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12530 case ImpossibleMove:
12531 case WhiteWins: // game ends here with these four
12534 case GameUnfinished:
12538 if(appData.testLegality) return -1;
12539 case WhiteCapturesEnPassant:
12540 case BlackCapturesEnPassant:
12541 case WhitePromotion:
12542 case BlackPromotion:
12543 case WhiteNonPromotion:
12544 case BlackNonPromotion:
12547 case WhiteKingSideCastle:
12548 case WhiteQueenSideCastle:
12549 case BlackKingSideCastle:
12550 case BlackQueenSideCastle:
12551 case WhiteKingSideCastleWild:
12552 case WhiteQueenSideCastleWild:
12553 case BlackKingSideCastleWild:
12554 case BlackQueenSideCastleWild:
12555 case WhiteHSideCastleFR:
12556 case WhiteASideCastleFR:
12557 case BlackHSideCastleFR:
12558 case BlackASideCastleFR:
12559 fromX = currentMoveString[0] - AAA;
12560 fromY = currentMoveString[1] - ONE;
12561 toX = currentMoveString[2] - AAA;
12562 toY = currentMoveString[3] - ONE;
12563 promoChar = currentMoveString[4];
12567 fromX = next == WhiteDrop ?
12568 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12569 (int) CharToPiece(ToLower(currentMoveString[0]));
12571 toX = currentMoveString[2] - AAA;
12572 toY = currentMoveString[3] - ONE;
12576 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12578 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12579 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12580 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12581 if(appData.findMirror) {
12582 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12583 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12588 /* Load the nth game from open file f */
12590 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12594 int gn = gameNumber;
12595 ListGame *lg = NULL;
12596 int numPGNTags = 0;
12598 GameMode oldGameMode;
12599 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12601 if (appData.debugMode)
12602 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12604 if (gameMode == Training )
12605 SetTrainingModeOff();
12607 oldGameMode = gameMode;
12608 if (gameMode != BeginningOfGame) {
12609 Reset(FALSE, TRUE);
12611 killX = killY = -1; // [HGM] lion: in case we did not Reset
12614 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12615 fclose(lastLoadGameFP);
12619 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12622 fseek(f, lg->offset, 0);
12623 GameListHighlight(gameNumber);
12624 pos = lg->position;
12628 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12629 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12631 DisplayError(_("Game number out of range"), 0);
12636 if (fseek(f, 0, 0) == -1) {
12637 if (f == lastLoadGameFP ?
12638 gameNumber == lastLoadGameNumber + 1 :
12642 DisplayError(_("Can't seek on game file"), 0);
12647 lastLoadGameFP = f;
12648 lastLoadGameNumber = gameNumber;
12649 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12650 lastLoadGameUseList = useList;
12654 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12655 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12656 lg->gameInfo.black);
12658 } else if (*title != NULLCHAR) {
12659 if (gameNumber > 1) {
12660 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12663 DisplayTitle(title);
12667 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12668 gameMode = PlayFromGameFile;
12672 currentMove = forwardMostMove = backwardMostMove = 0;
12673 CopyBoard(boards[0], initialPosition);
12677 * Skip the first gn-1 games in the file.
12678 * Also skip over anything that precedes an identifiable
12679 * start of game marker, to avoid being confused by
12680 * garbage at the start of the file. Currently
12681 * recognized start of game markers are the move number "1",
12682 * the pattern "gnuchess .* game", the pattern
12683 * "^[#;%] [^ ]* game file", and a PGN tag block.
12684 * A game that starts with one of the latter two patterns
12685 * will also have a move number 1, possibly
12686 * following a position diagram.
12687 * 5-4-02: Let's try being more lenient and allowing a game to
12688 * start with an unnumbered move. Does that break anything?
12690 cm = lastLoadGameStart = EndOfFile;
12692 yyboardindex = forwardMostMove;
12693 cm = (ChessMove) Myylex();
12696 if (cmailMsgLoaded) {
12697 nCmailGames = CMAIL_MAX_GAMES - gn;
12700 DisplayError(_("Game not found in file"), 0);
12707 lastLoadGameStart = cm;
12710 case MoveNumberOne:
12711 switch (lastLoadGameStart) {
12716 case MoveNumberOne:
12718 gn--; /* count this game */
12719 lastLoadGameStart = cm;
12728 switch (lastLoadGameStart) {
12731 case MoveNumberOne:
12733 gn--; /* count this game */
12734 lastLoadGameStart = cm;
12737 lastLoadGameStart = cm; /* game counted already */
12745 yyboardindex = forwardMostMove;
12746 cm = (ChessMove) Myylex();
12747 } while (cm == PGNTag || cm == Comment);
12754 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12755 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12756 != CMAIL_OLD_RESULT) {
12758 cmailResult[ CMAIL_MAX_GAMES
12759 - gn - 1] = CMAIL_OLD_RESULT;
12766 /* Only a NormalMove can be at the start of a game
12767 * without a position diagram. */
12768 if (lastLoadGameStart == EndOfFile ) {
12770 lastLoadGameStart = MoveNumberOne;
12779 if (appData.debugMode)
12780 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12782 if (cm == XBoardGame) {
12783 /* Skip any header junk before position diagram and/or move 1 */
12785 yyboardindex = forwardMostMove;
12786 cm = (ChessMove) Myylex();
12788 if (cm == EndOfFile ||
12789 cm == GNUChessGame || cm == XBoardGame) {
12790 /* Empty game; pretend end-of-file and handle later */
12795 if (cm == MoveNumberOne || cm == PositionDiagram ||
12796 cm == PGNTag || cm == Comment)
12799 } else if (cm == GNUChessGame) {
12800 if (gameInfo.event != NULL) {
12801 free(gameInfo.event);
12803 gameInfo.event = StrSave(yy_text);
12806 startedFromSetupPosition = FALSE;
12807 while (cm == PGNTag) {
12808 if (appData.debugMode)
12809 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12810 err = ParsePGNTag(yy_text, &gameInfo);
12811 if (!err) numPGNTags++;
12813 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12814 if(gameInfo.variant != oldVariant) {
12815 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12816 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12817 InitPosition(TRUE);
12818 oldVariant = gameInfo.variant;
12819 if (appData.debugMode)
12820 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12824 if (gameInfo.fen != NULL) {
12825 Board initial_position;
12826 startedFromSetupPosition = TRUE;
12827 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12829 DisplayError(_("Bad FEN position in file"), 0);
12832 CopyBoard(boards[0], initial_position);
12833 if (blackPlaysFirst) {
12834 currentMove = forwardMostMove = backwardMostMove = 1;
12835 CopyBoard(boards[1], initial_position);
12836 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12837 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12838 timeRemaining[0][1] = whiteTimeRemaining;
12839 timeRemaining[1][1] = blackTimeRemaining;
12840 if (commentList[0] != NULL) {
12841 commentList[1] = commentList[0];
12842 commentList[0] = NULL;
12845 currentMove = forwardMostMove = backwardMostMove = 0;
12847 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12849 initialRulePlies = FENrulePlies;
12850 for( i=0; i< nrCastlingRights; i++ )
12851 initialRights[i] = initial_position[CASTLING][i];
12853 yyboardindex = forwardMostMove;
12854 free(gameInfo.fen);
12855 gameInfo.fen = NULL;
12858 yyboardindex = forwardMostMove;
12859 cm = (ChessMove) Myylex();
12861 /* Handle comments interspersed among the tags */
12862 while (cm == Comment) {
12864 if (appData.debugMode)
12865 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12867 AppendComment(currentMove, p, FALSE);
12868 yyboardindex = forwardMostMove;
12869 cm = (ChessMove) Myylex();
12873 /* don't rely on existence of Event tag since if game was
12874 * pasted from clipboard the Event tag may not exist
12876 if (numPGNTags > 0){
12878 if (gameInfo.variant == VariantNormal) {
12879 VariantClass v = StringToVariant(gameInfo.event);
12880 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12881 if(v < VariantShogi) gameInfo.variant = v;
12884 if( appData.autoDisplayTags ) {
12885 tags = PGNTags(&gameInfo);
12886 TagsPopUp(tags, CmailMsg());
12891 /* Make something up, but don't display it now */
12896 if (cm == PositionDiagram) {
12899 Board initial_position;
12901 if (appData.debugMode)
12902 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12904 if (!startedFromSetupPosition) {
12906 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12907 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12918 initial_position[i][j++] = CharToPiece(*p);
12921 while (*p == ' ' || *p == '\t' ||
12922 *p == '\n' || *p == '\r') p++;
12924 if (strncmp(p, "black", strlen("black"))==0)
12925 blackPlaysFirst = TRUE;
12927 blackPlaysFirst = FALSE;
12928 startedFromSetupPosition = TRUE;
12930 CopyBoard(boards[0], initial_position);
12931 if (blackPlaysFirst) {
12932 currentMove = forwardMostMove = backwardMostMove = 1;
12933 CopyBoard(boards[1], initial_position);
12934 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12935 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12936 timeRemaining[0][1] = whiteTimeRemaining;
12937 timeRemaining[1][1] = blackTimeRemaining;
12938 if (commentList[0] != NULL) {
12939 commentList[1] = commentList[0];
12940 commentList[0] = NULL;
12943 currentMove = forwardMostMove = backwardMostMove = 0;
12946 yyboardindex = forwardMostMove;
12947 cm = (ChessMove) Myylex();
12950 if(!creatingBook) {
12951 if (first.pr == NoProc) {
12952 StartChessProgram(&first);
12954 InitChessProgram(&first, FALSE);
12955 SendToProgram("force\n", &first);
12956 if (startedFromSetupPosition) {
12957 SendBoard(&first, forwardMostMove);
12958 if (appData.debugMode) {
12959 fprintf(debugFP, "Load Game\n");
12961 DisplayBothClocks();
12965 /* [HGM] server: flag to write setup moves in broadcast file as one */
12966 loadFlag = appData.suppressLoadMoves;
12968 while (cm == Comment) {
12970 if (appData.debugMode)
12971 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12973 AppendComment(currentMove, p, FALSE);
12974 yyboardindex = forwardMostMove;
12975 cm = (ChessMove) Myylex();
12978 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12979 cm == WhiteWins || cm == BlackWins ||
12980 cm == GameIsDrawn || cm == GameUnfinished) {
12981 DisplayMessage("", _("No moves in game"));
12982 if (cmailMsgLoaded) {
12983 if (appData.debugMode)
12984 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12988 DrawPosition(FALSE, boards[currentMove]);
12989 DisplayBothClocks();
12990 gameMode = EditGame;
12997 // [HGM] PV info: routine tests if comment empty
12998 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12999 DisplayComment(currentMove - 1, commentList[currentMove]);
13001 if (!matchMode && appData.timeDelay != 0)
13002 DrawPosition(FALSE, boards[currentMove]);
13004 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13005 programStats.ok_to_send = 1;
13008 /* if the first token after the PGN tags is a move
13009 * and not move number 1, retrieve it from the parser
13011 if (cm != MoveNumberOne)
13012 LoadGameOneMove(cm);
13014 /* load the remaining moves from the file */
13015 while (LoadGameOneMove(EndOfFile)) {
13016 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13017 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13020 /* rewind to the start of the game */
13021 currentMove = backwardMostMove;
13023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13025 if (oldGameMode == AnalyzeFile) {
13026 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13027 AnalyzeFileEvent();
13029 if (oldGameMode == AnalyzeMode) {
13030 AnalyzeFileEvent();
13033 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13034 long int w, b; // [HGM] adjourn: restore saved clock times
13035 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13036 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13037 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13038 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13042 if(creatingBook) return TRUE;
13043 if (!matchMode && pos > 0) {
13044 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13046 if (matchMode || appData.timeDelay == 0) {
13048 } else if (appData.timeDelay > 0) {
13049 AutoPlayGameLoop();
13052 if (appData.debugMode)
13053 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13055 loadFlag = 0; /* [HGM] true game starts */
13059 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13061 ReloadPosition (int offset)
13063 int positionNumber = lastLoadPositionNumber + offset;
13064 if (lastLoadPositionFP == NULL) {
13065 DisplayError(_("No position has been loaded yet"), 0);
13068 if (positionNumber <= 0) {
13069 DisplayError(_("Can't back up any further"), 0);
13072 return LoadPosition(lastLoadPositionFP, positionNumber,
13073 lastLoadPositionTitle);
13076 /* Load the nth position from the given file */
13078 LoadPositionFromFile (char *filename, int n, char *title)
13083 if (strcmp(filename, "-") == 0) {
13084 return LoadPosition(stdin, n, "stdin");
13086 f = fopen(filename, "rb");
13088 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13089 DisplayError(buf, errno);
13092 return LoadPosition(f, n, title);
13097 /* Load the nth position from the given open file, and close it */
13099 LoadPosition (FILE *f, int positionNumber, char *title)
13101 char *p, line[MSG_SIZ];
13102 Board initial_position;
13103 int i, j, fenMode, pn;
13105 if (gameMode == Training )
13106 SetTrainingModeOff();
13108 if (gameMode != BeginningOfGame) {
13109 Reset(FALSE, TRUE);
13111 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13112 fclose(lastLoadPositionFP);
13114 if (positionNumber == 0) positionNumber = 1;
13115 lastLoadPositionFP = f;
13116 lastLoadPositionNumber = positionNumber;
13117 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13118 if (first.pr == NoProc && !appData.noChessProgram) {
13119 StartChessProgram(&first);
13120 InitChessProgram(&first, FALSE);
13122 pn = positionNumber;
13123 if (positionNumber < 0) {
13124 /* Negative position number means to seek to that byte offset */
13125 if (fseek(f, -positionNumber, 0) == -1) {
13126 DisplayError(_("Can't seek on position file"), 0);
13131 if (fseek(f, 0, 0) == -1) {
13132 if (f == lastLoadPositionFP ?
13133 positionNumber == lastLoadPositionNumber + 1 :
13134 positionNumber == 1) {
13137 DisplayError(_("Can't seek on position file"), 0);
13142 /* See if this file is FEN or old-style xboard */
13143 if (fgets(line, MSG_SIZ, f) == NULL) {
13144 DisplayError(_("Position not found in file"), 0);
13147 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13148 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13151 if (fenMode || line[0] == '#') pn--;
13153 /* skip positions before number pn */
13154 if (fgets(line, MSG_SIZ, f) == NULL) {
13156 DisplayError(_("Position not found in file"), 0);
13159 if (fenMode || line[0] == '#') pn--;
13164 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13165 DisplayError(_("Bad FEN position in file"), 0);
13169 (void) fgets(line, MSG_SIZ, f);
13170 (void) fgets(line, MSG_SIZ, f);
13172 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13173 (void) fgets(line, MSG_SIZ, f);
13174 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13177 initial_position[i][j++] = CharToPiece(*p);
13181 blackPlaysFirst = FALSE;
13183 (void) fgets(line, MSG_SIZ, f);
13184 if (strncmp(line, "black", strlen("black"))==0)
13185 blackPlaysFirst = TRUE;
13188 startedFromSetupPosition = TRUE;
13190 CopyBoard(boards[0], initial_position);
13191 if (blackPlaysFirst) {
13192 currentMove = forwardMostMove = backwardMostMove = 1;
13193 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13194 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13195 CopyBoard(boards[1], initial_position);
13196 DisplayMessage("", _("Black to play"));
13198 currentMove = forwardMostMove = backwardMostMove = 0;
13199 DisplayMessage("", _("White to play"));
13201 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13202 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13203 SendToProgram("force\n", &first);
13204 SendBoard(&first, forwardMostMove);
13206 if (appData.debugMode) {
13208 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13209 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13210 fprintf(debugFP, "Load Position\n");
13213 if (positionNumber > 1) {
13214 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13215 DisplayTitle(line);
13217 DisplayTitle(title);
13219 gameMode = EditGame;
13222 timeRemaining[0][1] = whiteTimeRemaining;
13223 timeRemaining[1][1] = blackTimeRemaining;
13224 DrawPosition(FALSE, boards[currentMove]);
13231 CopyPlayerNameIntoFileName (char **dest, char *src)
13233 while (*src != NULLCHAR && *src != ',') {
13238 *(*dest)++ = *src++;
13244 DefaultFileName (char *ext)
13246 static char def[MSG_SIZ];
13249 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13251 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13253 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13255 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13262 /* Save the current game to the given file */
13264 SaveGameToFile (char *filename, int append)
13268 int result, i, t,tot=0;
13270 if (strcmp(filename, "-") == 0) {
13271 return SaveGame(stdout, 0, NULL);
13273 for(i=0; i<10; i++) { // upto 10 tries
13274 f = fopen(filename, append ? "a" : "w");
13275 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13276 if(f || errno != 13) break;
13277 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13281 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13282 DisplayError(buf, errno);
13285 safeStrCpy(buf, lastMsg, MSG_SIZ);
13286 DisplayMessage(_("Waiting for access to save file"), "");
13287 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13288 DisplayMessage(_("Saving game"), "");
13289 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13290 result = SaveGame(f, 0, NULL);
13291 DisplayMessage(buf, "");
13298 SavePart (char *str)
13300 static char buf[MSG_SIZ];
13303 p = strchr(str, ' ');
13304 if (p == NULL) return str;
13305 strncpy(buf, str, p - str);
13306 buf[p - str] = NULLCHAR;
13310 #define PGN_MAX_LINE 75
13312 #define PGN_SIDE_WHITE 0
13313 #define PGN_SIDE_BLACK 1
13316 FindFirstMoveOutOfBook (int side)
13320 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13321 int index = backwardMostMove;
13322 int has_book_hit = 0;
13324 if( (index % 2) != side ) {
13328 while( index < forwardMostMove ) {
13329 /* Check to see if engine is in book */
13330 int depth = pvInfoList[index].depth;
13331 int score = pvInfoList[index].score;
13337 else if( score == 0 && depth == 63 ) {
13338 in_book = 1; /* Zappa */
13340 else if( score == 2 && depth == 99 ) {
13341 in_book = 1; /* Abrok */
13344 has_book_hit += in_book;
13360 GetOutOfBookInfo (char * buf)
13364 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13366 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13367 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13371 if( oob[0] >= 0 || oob[1] >= 0 ) {
13372 for( i=0; i<2; i++ ) {
13376 if( i > 0 && oob[0] >= 0 ) {
13377 strcat( buf, " " );
13380 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13381 sprintf( buf+strlen(buf), "%s%.2f",
13382 pvInfoList[idx].score >= 0 ? "+" : "",
13383 pvInfoList[idx].score / 100.0 );
13389 /* Save game in PGN style */
13391 SaveGamePGN2 (FILE *f)
13393 int i, offset, linelen, newblock;
13396 int movelen, numlen, blank;
13397 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13399 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13401 PrintPGNTags(f, &gameInfo);
13403 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13405 if (backwardMostMove > 0 || startedFromSetupPosition) {
13406 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13407 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13408 fprintf(f, "\n{--------------\n");
13409 PrintPosition(f, backwardMostMove);
13410 fprintf(f, "--------------}\n");
13414 /* [AS] Out of book annotation */
13415 if( appData.saveOutOfBookInfo ) {
13418 GetOutOfBookInfo( buf );
13420 if( buf[0] != '\0' ) {
13421 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13428 i = backwardMostMove;
13432 while (i < forwardMostMove) {
13433 /* Print comments preceding this move */
13434 if (commentList[i] != NULL) {
13435 if (linelen > 0) fprintf(f, "\n");
13436 fprintf(f, "%s", commentList[i]);
13441 /* Format move number */
13443 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13446 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13448 numtext[0] = NULLCHAR;
13450 numlen = strlen(numtext);
13453 /* Print move number */
13454 blank = linelen > 0 && numlen > 0;
13455 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13464 fprintf(f, "%s", numtext);
13468 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13469 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13472 blank = linelen > 0 && movelen > 0;
13473 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13482 fprintf(f, "%s", move_buffer);
13483 linelen += movelen;
13485 /* [AS] Add PV info if present */
13486 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13487 /* [HGM] add time */
13488 char buf[MSG_SIZ]; int seconds;
13490 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13496 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13499 seconds = (seconds + 4)/10; // round to full seconds
13501 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13503 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13506 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13507 pvInfoList[i].score >= 0 ? "+" : "",
13508 pvInfoList[i].score / 100.0,
13509 pvInfoList[i].depth,
13512 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13514 /* Print score/depth */
13515 blank = linelen > 0 && movelen > 0;
13516 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13525 fprintf(f, "%s", move_buffer);
13526 linelen += movelen;
13532 /* Start a new line */
13533 if (linelen > 0) fprintf(f, "\n");
13535 /* Print comments after last move */
13536 if (commentList[i] != NULL) {
13537 fprintf(f, "%s\n", commentList[i]);
13541 if (gameInfo.resultDetails != NULL &&
13542 gameInfo.resultDetails[0] != NULLCHAR) {
13543 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13544 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13545 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13546 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13547 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13549 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13553 /* Save game in PGN style and close the file */
13555 SaveGamePGN (FILE *f)
13559 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13563 /* Save game in old style and close the file */
13565 SaveGameOldStyle (FILE *f)
13570 tm = time((time_t *) NULL);
13572 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13575 if (backwardMostMove > 0 || startedFromSetupPosition) {
13576 fprintf(f, "\n[--------------\n");
13577 PrintPosition(f, backwardMostMove);
13578 fprintf(f, "--------------]\n");
13583 i = backwardMostMove;
13584 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13586 while (i < forwardMostMove) {
13587 if (commentList[i] != NULL) {
13588 fprintf(f, "[%s]\n", commentList[i]);
13591 if ((i % 2) == 1) {
13592 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13595 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13597 if (commentList[i] != NULL) {
13601 if (i >= forwardMostMove) {
13605 fprintf(f, "%s\n", parseList[i]);
13610 if (commentList[i] != NULL) {
13611 fprintf(f, "[%s]\n", commentList[i]);
13614 /* This isn't really the old style, but it's close enough */
13615 if (gameInfo.resultDetails != NULL &&
13616 gameInfo.resultDetails[0] != NULLCHAR) {
13617 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13618 gameInfo.resultDetails);
13620 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13627 /* Save the current game to open file f and close the file */
13629 SaveGame (FILE *f, int dummy, char *dummy2)
13631 if (gameMode == EditPosition) EditPositionDone(TRUE);
13632 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13633 if (appData.oldSaveStyle)
13634 return SaveGameOldStyle(f);
13636 return SaveGamePGN(f);
13639 /* Save the current position to the given file */
13641 SavePositionToFile (char *filename)
13646 if (strcmp(filename, "-") == 0) {
13647 return SavePosition(stdout, 0, NULL);
13649 f = fopen(filename, "a");
13651 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13652 DisplayError(buf, errno);
13655 safeStrCpy(buf, lastMsg, MSG_SIZ);
13656 DisplayMessage(_("Waiting for access to save file"), "");
13657 flock(fileno(f), LOCK_EX); // [HGM] lock
13658 DisplayMessage(_("Saving position"), "");
13659 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13660 SavePosition(f, 0, NULL);
13661 DisplayMessage(buf, "");
13667 /* Save the current position to the given open file and close the file */
13669 SavePosition (FILE *f, int dummy, char *dummy2)
13674 if (gameMode == EditPosition) EditPositionDone(TRUE);
13675 if (appData.oldSaveStyle) {
13676 tm = time((time_t *) NULL);
13678 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13680 fprintf(f, "[--------------\n");
13681 PrintPosition(f, currentMove);
13682 fprintf(f, "--------------]\n");
13684 fen = PositionToFEN(currentMove, NULL, 1);
13685 fprintf(f, "%s\n", fen);
13693 ReloadCmailMsgEvent (int unregister)
13696 static char *inFilename = NULL;
13697 static char *outFilename;
13699 struct stat inbuf, outbuf;
13702 /* Any registered moves are unregistered if unregister is set, */
13703 /* i.e. invoked by the signal handler */
13705 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13706 cmailMoveRegistered[i] = FALSE;
13707 if (cmailCommentList[i] != NULL) {
13708 free(cmailCommentList[i]);
13709 cmailCommentList[i] = NULL;
13712 nCmailMovesRegistered = 0;
13715 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13716 cmailResult[i] = CMAIL_NOT_RESULT;
13720 if (inFilename == NULL) {
13721 /* Because the filenames are static they only get malloced once */
13722 /* and they never get freed */
13723 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13724 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13726 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13727 sprintf(outFilename, "%s.out", appData.cmailGameName);
13730 status = stat(outFilename, &outbuf);
13732 cmailMailedMove = FALSE;
13734 status = stat(inFilename, &inbuf);
13735 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13738 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13739 counts the games, notes how each one terminated, etc.
13741 It would be nice to remove this kludge and instead gather all
13742 the information while building the game list. (And to keep it
13743 in the game list nodes instead of having a bunch of fixed-size
13744 parallel arrays.) Note this will require getting each game's
13745 termination from the PGN tags, as the game list builder does
13746 not process the game moves. --mann
13748 cmailMsgLoaded = TRUE;
13749 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13751 /* Load first game in the file or popup game menu */
13752 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13754 #endif /* !WIN32 */
13762 char string[MSG_SIZ];
13764 if ( cmailMailedMove
13765 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13766 return TRUE; /* Allow free viewing */
13769 /* Unregister move to ensure that we don't leave RegisterMove */
13770 /* with the move registered when the conditions for registering no */
13772 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13773 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13774 nCmailMovesRegistered --;
13776 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13778 free(cmailCommentList[lastLoadGameNumber - 1]);
13779 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13783 if (cmailOldMove == -1) {
13784 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13788 if (currentMove > cmailOldMove + 1) {
13789 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13793 if (currentMove < cmailOldMove) {
13794 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13798 if (forwardMostMove > currentMove) {
13799 /* Silently truncate extra moves */
13803 if ( (currentMove == cmailOldMove + 1)
13804 || ( (currentMove == cmailOldMove)
13805 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13806 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13807 if (gameInfo.result != GameUnfinished) {
13808 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13811 if (commentList[currentMove] != NULL) {
13812 cmailCommentList[lastLoadGameNumber - 1]
13813 = StrSave(commentList[currentMove]);
13815 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13817 if (appData.debugMode)
13818 fprintf(debugFP, "Saving %s for game %d\n",
13819 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13821 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13823 f = fopen(string, "w");
13824 if (appData.oldSaveStyle) {
13825 SaveGameOldStyle(f); /* also closes the file */
13827 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13828 f = fopen(string, "w");
13829 SavePosition(f, 0, NULL); /* also closes the file */
13831 fprintf(f, "{--------------\n");
13832 PrintPosition(f, currentMove);
13833 fprintf(f, "--------------}\n\n");
13835 SaveGame(f, 0, NULL); /* also closes the file*/
13838 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13839 nCmailMovesRegistered ++;
13840 } else if (nCmailGames == 1) {
13841 DisplayError(_("You have not made a move yet"), 0);
13852 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13853 FILE *commandOutput;
13854 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13855 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13861 if (! cmailMsgLoaded) {
13862 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13866 if (nCmailGames == nCmailResults) {
13867 DisplayError(_("No unfinished games"), 0);
13871 #if CMAIL_PROHIBIT_REMAIL
13872 if (cmailMailedMove) {
13873 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);
13874 DisplayError(msg, 0);
13879 if (! (cmailMailedMove || RegisterMove())) return;
13881 if ( cmailMailedMove
13882 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13883 snprintf(string, MSG_SIZ, partCommandString,
13884 appData.debugMode ? " -v" : "", appData.cmailGameName);
13885 commandOutput = popen(string, "r");
13887 if (commandOutput == NULL) {
13888 DisplayError(_("Failed to invoke cmail"), 0);
13890 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13891 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13893 if (nBuffers > 1) {
13894 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13895 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13896 nBytes = MSG_SIZ - 1;
13898 (void) memcpy(msg, buffer, nBytes);
13900 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13902 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13903 cmailMailedMove = TRUE; /* Prevent >1 moves */
13906 for (i = 0; i < nCmailGames; i ++) {
13907 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13912 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13914 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13916 appData.cmailGameName,
13918 LoadGameFromFile(buffer, 1, buffer, FALSE);
13919 cmailMsgLoaded = FALSE;
13923 DisplayInformation(msg);
13924 pclose(commandOutput);
13927 if ((*cmailMsg) != '\0') {
13928 DisplayInformation(cmailMsg);
13933 #endif /* !WIN32 */
13942 int prependComma = 0;
13944 char string[MSG_SIZ]; /* Space for game-list */
13947 if (!cmailMsgLoaded) return "";
13949 if (cmailMailedMove) {
13950 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13952 /* Create a list of games left */
13953 snprintf(string, MSG_SIZ, "[");
13954 for (i = 0; i < nCmailGames; i ++) {
13955 if (! ( cmailMoveRegistered[i]
13956 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13957 if (prependComma) {
13958 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13960 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13964 strcat(string, number);
13967 strcat(string, "]");
13969 if (nCmailMovesRegistered + nCmailResults == 0) {
13970 switch (nCmailGames) {
13972 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13976 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13980 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13985 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13987 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13992 if (nCmailResults == nCmailGames) {
13993 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13995 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14000 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14012 if (gameMode == Training)
14013 SetTrainingModeOff();
14016 cmailMsgLoaded = FALSE;
14017 if (appData.icsActive) {
14018 SendToICS(ics_prefix);
14019 SendToICS("refresh\n");
14024 ExitEvent (int status)
14028 /* Give up on clean exit */
14032 /* Keep trying for clean exit */
14036 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14037 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14039 if (telnetISR != NULL) {
14040 RemoveInputSource(telnetISR);
14042 if (icsPR != NoProc) {
14043 DestroyChildProcess(icsPR, TRUE);
14046 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14047 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14049 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14050 /* make sure this other one finishes before killing it! */
14051 if(endingGame) { int count = 0;
14052 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14053 while(endingGame && count++ < 10) DoSleep(1);
14054 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14057 /* Kill off chess programs */
14058 if (first.pr != NoProc) {
14061 DoSleep( appData.delayBeforeQuit );
14062 SendToProgram("quit\n", &first);
14063 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14065 if (second.pr != NoProc) {
14066 DoSleep( appData.delayBeforeQuit );
14067 SendToProgram("quit\n", &second);
14068 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14070 if (first.isr != NULL) {
14071 RemoveInputSource(first.isr);
14073 if (second.isr != NULL) {
14074 RemoveInputSource(second.isr);
14077 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14078 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14080 ShutDownFrontEnd();
14085 PauseEngine (ChessProgramState *cps)
14087 SendToProgram("pause\n", cps);
14092 UnPauseEngine (ChessProgramState *cps)
14094 SendToProgram("resume\n", cps);
14101 if (appData.debugMode)
14102 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14106 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14108 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14109 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14110 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14112 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14113 HandleMachineMove(stashedInputMove, stalledEngine);
14114 stalledEngine = NULL;
14117 if (gameMode == MachinePlaysWhite ||
14118 gameMode == TwoMachinesPlay ||
14119 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14120 if(first.pause) UnPauseEngine(&first);
14121 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14122 if(second.pause) UnPauseEngine(&second);
14123 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14126 DisplayBothClocks();
14128 if (gameMode == PlayFromGameFile) {
14129 if (appData.timeDelay >= 0)
14130 AutoPlayGameLoop();
14131 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14132 Reset(FALSE, TRUE);
14133 SendToICS(ics_prefix);
14134 SendToICS("refresh\n");
14135 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14136 ForwardInner(forwardMostMove);
14138 pauseExamInvalid = FALSE;
14140 switch (gameMode) {
14144 pauseExamForwardMostMove = forwardMostMove;
14145 pauseExamInvalid = FALSE;
14148 case IcsPlayingWhite:
14149 case IcsPlayingBlack:
14153 case PlayFromGameFile:
14154 (void) StopLoadGameTimer();
14158 case BeginningOfGame:
14159 if (appData.icsActive) return;
14160 /* else fall through */
14161 case MachinePlaysWhite:
14162 case MachinePlaysBlack:
14163 case TwoMachinesPlay:
14164 if (forwardMostMove == 0)
14165 return; /* don't pause if no one has moved */
14166 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14167 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14168 if(onMove->pause) { // thinking engine can be paused
14169 PauseEngine(onMove); // do it
14170 if(onMove->other->pause) // pondering opponent can always be paused immediately
14171 PauseEngine(onMove->other);
14173 SendToProgram("easy\n", onMove->other);
14175 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14176 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14178 PauseEngine(&first);
14180 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14181 } else { // human on move, pause pondering by either method
14183 PauseEngine(&first);
14184 else if(appData.ponderNextMove)
14185 SendToProgram("easy\n", &first);
14188 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14198 EditCommentEvent ()
14200 char title[MSG_SIZ];
14202 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14203 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14205 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14206 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14207 parseList[currentMove - 1]);
14210 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14217 char *tags = PGNTags(&gameInfo);
14219 EditTagsPopUp(tags, NULL);
14226 if(second.analyzing) {
14227 SendToProgram("exit\n", &second);
14228 second.analyzing = FALSE;
14230 if (second.pr == NoProc) StartChessProgram(&second);
14231 InitChessProgram(&second, FALSE);
14232 FeedMovesToProgram(&second, currentMove);
14234 SendToProgram("analyze\n", &second);
14235 second.analyzing = TRUE;
14239 /* Toggle ShowThinking */
14241 ToggleShowThinking()
14243 appData.showThinking = !appData.showThinking;
14244 ShowThinkingEvent();
14248 AnalyzeModeEvent ()
14252 if (!first.analysisSupport) {
14253 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14254 DisplayError(buf, 0);
14257 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14258 if (appData.icsActive) {
14259 if (gameMode != IcsObserving) {
14260 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14261 DisplayError(buf, 0);
14263 if (appData.icsEngineAnalyze) {
14264 if (appData.debugMode)
14265 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14271 /* if enable, user wants to disable icsEngineAnalyze */
14272 if (appData.icsEngineAnalyze) {
14277 appData.icsEngineAnalyze = TRUE;
14278 if (appData.debugMode)
14279 fprintf(debugFP, "ICS engine analyze starting... \n");
14282 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14283 if (appData.noChessProgram || gameMode == AnalyzeMode)
14286 if (gameMode != AnalyzeFile) {
14287 if (!appData.icsEngineAnalyze) {
14289 if (gameMode != EditGame) return 0;
14291 if (!appData.showThinking) ToggleShowThinking();
14292 ResurrectChessProgram();
14293 SendToProgram("analyze\n", &first);
14294 first.analyzing = TRUE;
14295 /*first.maybeThinking = TRUE;*/
14296 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14297 EngineOutputPopUp();
14299 if (!appData.icsEngineAnalyze) {
14300 gameMode = AnalyzeMode;
14301 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14307 StartAnalysisClock();
14308 GetTimeMark(&lastNodeCountTime);
14314 AnalyzeFileEvent ()
14316 if (appData.noChessProgram || gameMode == AnalyzeFile)
14319 if (!first.analysisSupport) {
14321 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14322 DisplayError(buf, 0);
14326 if (gameMode != AnalyzeMode) {
14327 keepInfo = 1; // mere annotating should not alter PGN tags
14330 if (gameMode != EditGame) return;
14331 if (!appData.showThinking) ToggleShowThinking();
14332 ResurrectChessProgram();
14333 SendToProgram("analyze\n", &first);
14334 first.analyzing = TRUE;
14335 /*first.maybeThinking = TRUE;*/
14336 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14337 EngineOutputPopUp();
14339 gameMode = AnalyzeFile;
14343 StartAnalysisClock();
14344 GetTimeMark(&lastNodeCountTime);
14346 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14347 AnalysisPeriodicEvent(1);
14351 MachineWhiteEvent ()
14354 char *bookHit = NULL;
14356 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14360 if (gameMode == PlayFromGameFile ||
14361 gameMode == TwoMachinesPlay ||
14362 gameMode == Training ||
14363 gameMode == AnalyzeMode ||
14364 gameMode == EndOfGame)
14367 if (gameMode == EditPosition)
14368 EditPositionDone(TRUE);
14370 if (!WhiteOnMove(currentMove)) {
14371 DisplayError(_("It is not White's turn"), 0);
14375 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14378 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14379 gameMode == AnalyzeFile)
14382 ResurrectChessProgram(); /* in case it isn't running */
14383 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14384 gameMode = MachinePlaysWhite;
14387 gameMode = MachinePlaysWhite;
14391 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14393 if (first.sendName) {
14394 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14395 SendToProgram(buf, &first);
14397 if (first.sendTime) {
14398 if (first.useColors) {
14399 SendToProgram("black\n", &first); /*gnu kludge*/
14401 SendTimeRemaining(&first, TRUE);
14403 if (first.useColors) {
14404 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14406 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14407 SetMachineThinkingEnables();
14408 first.maybeThinking = TRUE;
14412 if (appData.autoFlipView && !flipView) {
14413 flipView = !flipView;
14414 DrawPosition(FALSE, NULL);
14415 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14418 if(bookHit) { // [HGM] book: simulate book reply
14419 static char bookMove[MSG_SIZ]; // a bit generous?
14421 programStats.nodes = programStats.depth = programStats.time =
14422 programStats.score = programStats.got_only_move = 0;
14423 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14425 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14426 strcat(bookMove, bookHit);
14427 HandleMachineMove(bookMove, &first);
14432 MachineBlackEvent ()
14435 char *bookHit = NULL;
14437 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14441 if (gameMode == PlayFromGameFile ||
14442 gameMode == TwoMachinesPlay ||
14443 gameMode == Training ||
14444 gameMode == AnalyzeMode ||
14445 gameMode == EndOfGame)
14448 if (gameMode == EditPosition)
14449 EditPositionDone(TRUE);
14451 if (WhiteOnMove(currentMove)) {
14452 DisplayError(_("It is not Black's turn"), 0);
14456 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14459 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14460 gameMode == AnalyzeFile)
14463 ResurrectChessProgram(); /* in case it isn't running */
14464 gameMode = MachinePlaysBlack;
14468 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14470 if (first.sendName) {
14471 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14472 SendToProgram(buf, &first);
14474 if (first.sendTime) {
14475 if (first.useColors) {
14476 SendToProgram("white\n", &first); /*gnu kludge*/
14478 SendTimeRemaining(&first, FALSE);
14480 if (first.useColors) {
14481 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14483 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14484 SetMachineThinkingEnables();
14485 first.maybeThinking = TRUE;
14488 if (appData.autoFlipView && flipView) {
14489 flipView = !flipView;
14490 DrawPosition(FALSE, NULL);
14491 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14493 if(bookHit) { // [HGM] book: simulate book reply
14494 static char bookMove[MSG_SIZ]; // a bit generous?
14496 programStats.nodes = programStats.depth = programStats.time =
14497 programStats.score = programStats.got_only_move = 0;
14498 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14500 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14501 strcat(bookMove, bookHit);
14502 HandleMachineMove(bookMove, &first);
14508 DisplayTwoMachinesTitle ()
14511 if (appData.matchGames > 0) {
14512 if(appData.tourneyFile[0]) {
14513 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14514 gameInfo.white, _("vs."), gameInfo.black,
14515 nextGame+1, appData.matchGames+1,
14516 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14518 if (first.twoMachinesColor[0] == 'w') {
14519 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14520 gameInfo.white, _("vs."), gameInfo.black,
14521 first.matchWins, second.matchWins,
14522 matchGame - 1 - (first.matchWins + second.matchWins));
14524 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14525 gameInfo.white, _("vs."), gameInfo.black,
14526 second.matchWins, first.matchWins,
14527 matchGame - 1 - (first.matchWins + second.matchWins));
14530 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14536 SettingsMenuIfReady ()
14538 if (second.lastPing != second.lastPong) {
14539 DisplayMessage("", _("Waiting for second chess program"));
14540 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14544 DisplayMessage("", "");
14545 SettingsPopUp(&second);
14549 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14552 if (cps->pr == NoProc) {
14553 StartChessProgram(cps);
14554 if (cps->protocolVersion == 1) {
14556 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14558 /* kludge: allow timeout for initial "feature" command */
14559 if(retry != TwoMachinesEventIfReady) FreezeUI();
14560 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14561 DisplayMessage("", buf);
14562 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14570 TwoMachinesEvent P((void))
14574 ChessProgramState *onmove;
14575 char *bookHit = NULL;
14576 static int stalling = 0;
14580 if (appData.noChessProgram) return;
14582 switch (gameMode) {
14583 case TwoMachinesPlay:
14585 case MachinePlaysWhite:
14586 case MachinePlaysBlack:
14587 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14588 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14592 case BeginningOfGame:
14593 case PlayFromGameFile:
14596 if (gameMode != EditGame) return;
14599 EditPositionDone(TRUE);
14610 // forwardMostMove = currentMove;
14611 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14612 startingEngine = TRUE;
14614 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14616 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14617 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14621 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14623 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14624 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14625 startingEngine = FALSE;
14626 DisplayError("second engine does not play this", 0);
14631 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14632 SendToProgram("force\n", &second);
14634 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14637 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14638 if(appData.matchPause>10000 || appData.matchPause<10)
14639 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14640 wait = SubtractTimeMarks(&now, &pauseStart);
14641 if(wait < appData.matchPause) {
14642 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14645 // we are now committed to starting the game
14647 DisplayMessage("", "");
14648 if (startedFromSetupPosition) {
14649 SendBoard(&second, backwardMostMove);
14650 if (appData.debugMode) {
14651 fprintf(debugFP, "Two Machines\n");
14654 for (i = backwardMostMove; i < forwardMostMove; i++) {
14655 SendMoveToProgram(i, &second);
14658 gameMode = TwoMachinesPlay;
14659 pausing = startingEngine = FALSE;
14660 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14662 DisplayTwoMachinesTitle();
14664 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14669 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14670 SendToProgram(first.computerString, &first);
14671 if (first.sendName) {
14672 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14673 SendToProgram(buf, &first);
14675 SendToProgram(second.computerString, &second);
14676 if (second.sendName) {
14677 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14678 SendToProgram(buf, &second);
14682 if (!first.sendTime || !second.sendTime) {
14683 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14684 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14686 if (onmove->sendTime) {
14687 if (onmove->useColors) {
14688 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14690 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14692 if (onmove->useColors) {
14693 SendToProgram(onmove->twoMachinesColor, onmove);
14695 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14696 // SendToProgram("go\n", onmove);
14697 onmove->maybeThinking = TRUE;
14698 SetMachineThinkingEnables();
14702 if(bookHit) { // [HGM] book: simulate book reply
14703 static char bookMove[MSG_SIZ]; // a bit generous?
14705 programStats.nodes = programStats.depth = programStats.time =
14706 programStats.score = programStats.got_only_move = 0;
14707 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14709 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14710 strcat(bookMove, bookHit);
14711 savedMessage = bookMove; // args for deferred call
14712 savedState = onmove;
14713 ScheduleDelayedEvent(DeferredBookMove, 1);
14720 if (gameMode == Training) {
14721 SetTrainingModeOff();
14722 gameMode = PlayFromGameFile;
14723 DisplayMessage("", _("Training mode off"));
14725 gameMode = Training;
14726 animateTraining = appData.animate;
14728 /* make sure we are not already at the end of the game */
14729 if (currentMove < forwardMostMove) {
14730 SetTrainingModeOn();
14731 DisplayMessage("", _("Training mode on"));
14733 gameMode = PlayFromGameFile;
14734 DisplayError(_("Already at end of game"), 0);
14743 if (!appData.icsActive) return;
14744 switch (gameMode) {
14745 case IcsPlayingWhite:
14746 case IcsPlayingBlack:
14749 case BeginningOfGame:
14757 EditPositionDone(TRUE);
14770 gameMode = IcsIdle;
14780 switch (gameMode) {
14782 SetTrainingModeOff();
14784 case MachinePlaysWhite:
14785 case MachinePlaysBlack:
14786 case BeginningOfGame:
14787 SendToProgram("force\n", &first);
14788 SetUserThinkingEnables();
14790 case PlayFromGameFile:
14791 (void) StopLoadGameTimer();
14792 if (gameFileFP != NULL) {
14797 EditPositionDone(TRUE);
14802 SendToProgram("force\n", &first);
14804 case TwoMachinesPlay:
14805 GameEnds(EndOfFile, NULL, GE_PLAYER);
14806 ResurrectChessProgram();
14807 SetUserThinkingEnables();
14810 ResurrectChessProgram();
14812 case IcsPlayingBlack:
14813 case IcsPlayingWhite:
14814 DisplayError(_("Warning: You are still playing a game"), 0);
14817 DisplayError(_("Warning: You are still observing a game"), 0);
14820 DisplayError(_("Warning: You are still examining a game"), 0);
14831 first.offeredDraw = second.offeredDraw = 0;
14833 if (gameMode == PlayFromGameFile) {
14834 whiteTimeRemaining = timeRemaining[0][currentMove];
14835 blackTimeRemaining = timeRemaining[1][currentMove];
14839 if (gameMode == MachinePlaysWhite ||
14840 gameMode == MachinePlaysBlack ||
14841 gameMode == TwoMachinesPlay ||
14842 gameMode == EndOfGame) {
14843 i = forwardMostMove;
14844 while (i > currentMove) {
14845 SendToProgram("undo\n", &first);
14848 if(!adjustedClock) {
14849 whiteTimeRemaining = timeRemaining[0][currentMove];
14850 blackTimeRemaining = timeRemaining[1][currentMove];
14851 DisplayBothClocks();
14853 if (whiteFlag || blackFlag) {
14854 whiteFlag = blackFlag = 0;
14859 gameMode = EditGame;
14866 EditPositionEvent ()
14868 if (gameMode == EditPosition) {
14874 if (gameMode != EditGame) return;
14876 gameMode = EditPosition;
14879 if (currentMove > 0)
14880 CopyBoard(boards[0], boards[currentMove]);
14882 blackPlaysFirst = !WhiteOnMove(currentMove);
14884 currentMove = forwardMostMove = backwardMostMove = 0;
14885 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14887 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14893 /* [DM] icsEngineAnalyze - possible call from other functions */
14894 if (appData.icsEngineAnalyze) {
14895 appData.icsEngineAnalyze = FALSE;
14897 DisplayMessage("",_("Close ICS engine analyze..."));
14899 if (first.analysisSupport && first.analyzing) {
14900 SendToBoth("exit\n");
14901 first.analyzing = second.analyzing = FALSE;
14903 thinkOutput[0] = NULLCHAR;
14907 EditPositionDone (Boolean fakeRights)
14909 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14911 startedFromSetupPosition = TRUE;
14912 InitChessProgram(&first, FALSE);
14913 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14914 boards[0][EP_STATUS] = EP_NONE;
14915 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14916 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14917 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14918 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14919 } else boards[0][CASTLING][2] = NoRights;
14920 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14921 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14922 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14923 } else boards[0][CASTLING][5] = NoRights;
14924 if(gameInfo.variant == VariantSChess) {
14926 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14927 boards[0][VIRGIN][i] = 0;
14928 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14929 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14933 SendToProgram("force\n", &first);
14934 if (blackPlaysFirst) {
14935 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14936 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14937 currentMove = forwardMostMove = backwardMostMove = 1;
14938 CopyBoard(boards[1], boards[0]);
14940 currentMove = forwardMostMove = backwardMostMove = 0;
14942 SendBoard(&first, forwardMostMove);
14943 if (appData.debugMode) {
14944 fprintf(debugFP, "EditPosDone\n");
14947 DisplayMessage("", "");
14948 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14949 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14950 gameMode = EditGame;
14952 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14953 ClearHighlights(); /* [AS] */
14956 /* Pause for `ms' milliseconds */
14957 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14959 TimeDelay (long ms)
14966 } while (SubtractTimeMarks(&m2, &m1) < ms);
14969 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14971 SendMultiLineToICS (char *buf)
14973 char temp[MSG_SIZ+1], *p;
14980 strncpy(temp, buf, len);
14985 if (*p == '\n' || *p == '\r')
14990 strcat(temp, "\n");
14992 SendToPlayer(temp, strlen(temp));
14996 SetWhiteToPlayEvent ()
14998 if (gameMode == EditPosition) {
14999 blackPlaysFirst = FALSE;
15000 DisplayBothClocks(); /* works because currentMove is 0 */
15001 } else if (gameMode == IcsExamining) {
15002 SendToICS(ics_prefix);
15003 SendToICS("tomove white\n");
15008 SetBlackToPlayEvent ()
15010 if (gameMode == EditPosition) {
15011 blackPlaysFirst = TRUE;
15012 currentMove = 1; /* kludge */
15013 DisplayBothClocks();
15015 } else if (gameMode == IcsExamining) {
15016 SendToICS(ics_prefix);
15017 SendToICS("tomove black\n");
15022 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15025 ChessSquare piece = boards[0][y][x];
15026 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15027 static int lastVariant;
15029 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15031 switch (selection) {
15033 CopyBoard(currentBoard, boards[0]);
15034 CopyBoard(menuBoard, initialPosition);
15035 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15036 SendToICS(ics_prefix);
15037 SendToICS("bsetup clear\n");
15038 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15039 SendToICS(ics_prefix);
15040 SendToICS("clearboard\n");
15043 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15044 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15045 for (y = 0; y < BOARD_HEIGHT; y++) {
15046 if (gameMode == IcsExamining) {
15047 if (boards[currentMove][y][x] != EmptySquare) {
15048 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15053 if(boards[0][y][x] != p) nonEmpty++;
15054 boards[0][y][x] = p;
15058 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15060 for(r = 0; r < BOARD_HEIGHT; r++) {
15061 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15062 ChessSquare p = menuBoard[r][x];
15063 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15066 DisplayMessage("Clicking clock again restores position", "");
15067 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15068 if(!nonEmpty) { // asked to clear an empty board
15069 CopyBoard(boards[0], menuBoard);
15071 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15072 CopyBoard(boards[0], initialPosition);
15074 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15075 && !CompareBoards(nullBoard, erasedBoard)) {
15076 CopyBoard(boards[0], erasedBoard);
15078 CopyBoard(erasedBoard, currentBoard);
15082 if (gameMode == EditPosition) {
15083 DrawPosition(FALSE, boards[0]);
15088 SetWhiteToPlayEvent();
15092 SetBlackToPlayEvent();
15096 if (gameMode == IcsExamining) {
15097 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15098 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15101 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15102 if(x == BOARD_LEFT-2) {
15103 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15104 boards[0][y][1] = 0;
15106 if(x == BOARD_RGHT+1) {
15107 if(y >= gameInfo.holdingsSize) break;
15108 boards[0][y][BOARD_WIDTH-2] = 0;
15111 boards[0][y][x] = EmptySquare;
15112 DrawPosition(FALSE, boards[0]);
15117 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15118 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15119 selection = (ChessSquare) (PROMOTED piece);
15120 } else if(piece == EmptySquare) selection = WhiteSilver;
15121 else selection = (ChessSquare)((int)piece - 1);
15125 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15126 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15127 selection = (ChessSquare) (DEMOTED piece);
15128 } else if(piece == EmptySquare) selection = BlackSilver;
15129 else selection = (ChessSquare)((int)piece + 1);
15134 if(gameInfo.variant == VariantShatranj ||
15135 gameInfo.variant == VariantXiangqi ||
15136 gameInfo.variant == VariantCourier ||
15137 gameInfo.variant == VariantASEAN ||
15138 gameInfo.variant == VariantMakruk )
15139 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15144 if(gameInfo.variant == VariantXiangqi)
15145 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15146 if(gameInfo.variant == VariantKnightmate)
15147 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15150 if (gameMode == IcsExamining) {
15151 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15152 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15153 PieceToChar(selection), AAA + x, ONE + y);
15156 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15158 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15159 n = PieceToNumber(selection - BlackPawn);
15160 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15161 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15162 boards[0][BOARD_HEIGHT-1-n][1]++;
15164 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15165 n = PieceToNumber(selection);
15166 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15167 boards[0][n][BOARD_WIDTH-1] = selection;
15168 boards[0][n][BOARD_WIDTH-2]++;
15171 boards[0][y][x] = selection;
15172 DrawPosition(TRUE, boards[0]);
15174 fromX = fromY = -1;
15182 DropMenuEvent (ChessSquare selection, int x, int y)
15184 ChessMove moveType;
15186 switch (gameMode) {
15187 case IcsPlayingWhite:
15188 case MachinePlaysBlack:
15189 if (!WhiteOnMove(currentMove)) {
15190 DisplayMoveError(_("It is Black's turn"));
15193 moveType = WhiteDrop;
15195 case IcsPlayingBlack:
15196 case MachinePlaysWhite:
15197 if (WhiteOnMove(currentMove)) {
15198 DisplayMoveError(_("It is White's turn"));
15201 moveType = BlackDrop;
15204 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15210 if (moveType == BlackDrop && selection < BlackPawn) {
15211 selection = (ChessSquare) ((int) selection
15212 + (int) BlackPawn - (int) WhitePawn);
15214 if (boards[currentMove][y][x] != EmptySquare) {
15215 DisplayMoveError(_("That square is occupied"));
15219 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15225 /* Accept a pending offer of any kind from opponent */
15227 if (appData.icsActive) {
15228 SendToICS(ics_prefix);
15229 SendToICS("accept\n");
15230 } else if (cmailMsgLoaded) {
15231 if (currentMove == cmailOldMove &&
15232 commentList[cmailOldMove] != NULL &&
15233 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15234 "Black offers a draw" : "White offers a draw")) {
15236 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15237 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15239 DisplayError(_("There is no pending offer on this move"), 0);
15240 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15243 /* Not used for offers from chess program */
15250 /* Decline a pending offer of any kind from opponent */
15252 if (appData.icsActive) {
15253 SendToICS(ics_prefix);
15254 SendToICS("decline\n");
15255 } else if (cmailMsgLoaded) {
15256 if (currentMove == cmailOldMove &&
15257 commentList[cmailOldMove] != NULL &&
15258 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15259 "Black offers a draw" : "White offers a draw")) {
15261 AppendComment(cmailOldMove, "Draw declined", TRUE);
15262 DisplayComment(cmailOldMove - 1, "Draw declined");
15265 DisplayError(_("There is no pending offer on this move"), 0);
15268 /* Not used for offers from chess program */
15275 /* Issue ICS rematch command */
15276 if (appData.icsActive) {
15277 SendToICS(ics_prefix);
15278 SendToICS("rematch\n");
15285 /* Call your opponent's flag (claim a win on time) */
15286 if (appData.icsActive) {
15287 SendToICS(ics_prefix);
15288 SendToICS("flag\n");
15290 switch (gameMode) {
15293 case MachinePlaysWhite:
15296 GameEnds(GameIsDrawn, "Both players ran out of time",
15299 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15301 DisplayError(_("Your opponent is not out of time"), 0);
15304 case MachinePlaysBlack:
15307 GameEnds(GameIsDrawn, "Both players ran out of time",
15310 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15312 DisplayError(_("Your opponent is not out of time"), 0);
15320 ClockClick (int which)
15321 { // [HGM] code moved to back-end from winboard.c
15322 if(which) { // black clock
15323 if (gameMode == EditPosition || gameMode == IcsExamining) {
15324 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15325 SetBlackToPlayEvent();
15326 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15327 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15328 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15329 } else if (shiftKey) {
15330 AdjustClock(which, -1);
15331 } else if (gameMode == IcsPlayingWhite ||
15332 gameMode == MachinePlaysBlack) {
15335 } else { // white clock
15336 if (gameMode == EditPosition || gameMode == IcsExamining) {
15337 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15338 SetWhiteToPlayEvent();
15339 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15340 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15341 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15342 } else if (shiftKey) {
15343 AdjustClock(which, -1);
15344 } else if (gameMode == IcsPlayingBlack ||
15345 gameMode == MachinePlaysWhite) {
15354 /* Offer draw or accept pending draw offer from opponent */
15356 if (appData.icsActive) {
15357 /* Note: tournament rules require draw offers to be
15358 made after you make your move but before you punch
15359 your clock. Currently ICS doesn't let you do that;
15360 instead, you immediately punch your clock after making
15361 a move, but you can offer a draw at any time. */
15363 SendToICS(ics_prefix);
15364 SendToICS("draw\n");
15365 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15366 } else if (cmailMsgLoaded) {
15367 if (currentMove == cmailOldMove &&
15368 commentList[cmailOldMove] != NULL &&
15369 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15370 "Black offers a draw" : "White offers a draw")) {
15371 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15372 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15373 } else if (currentMove == cmailOldMove + 1) {
15374 char *offer = WhiteOnMove(cmailOldMove) ?
15375 "White offers a draw" : "Black offers a draw";
15376 AppendComment(currentMove, offer, TRUE);
15377 DisplayComment(currentMove - 1, offer);
15378 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15380 DisplayError(_("You must make your move before offering a draw"), 0);
15381 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15383 } else if (first.offeredDraw) {
15384 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15386 if (first.sendDrawOffers) {
15387 SendToProgram("draw\n", &first);
15388 userOfferedDraw = TRUE;
15396 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15398 if (appData.icsActive) {
15399 SendToICS(ics_prefix);
15400 SendToICS("adjourn\n");
15402 /* Currently GNU Chess doesn't offer or accept Adjourns */
15410 /* Offer Abort or accept pending Abort offer from opponent */
15412 if (appData.icsActive) {
15413 SendToICS(ics_prefix);
15414 SendToICS("abort\n");
15416 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15423 /* Resign. You can do this even if it's not your turn. */
15425 if (appData.icsActive) {
15426 SendToICS(ics_prefix);
15427 SendToICS("resign\n");
15429 switch (gameMode) {
15430 case MachinePlaysWhite:
15431 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15433 case MachinePlaysBlack:
15434 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15437 if (cmailMsgLoaded) {
15439 if (WhiteOnMove(cmailOldMove)) {
15440 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15442 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15444 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15455 StopObservingEvent ()
15457 /* Stop observing current games */
15458 SendToICS(ics_prefix);
15459 SendToICS("unobserve\n");
15463 StopExaminingEvent ()
15465 /* Stop observing current game */
15466 SendToICS(ics_prefix);
15467 SendToICS("unexamine\n");
15471 ForwardInner (int target)
15473 int limit; int oldSeekGraphUp = seekGraphUp;
15475 if (appData.debugMode)
15476 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15477 target, currentMove, forwardMostMove);
15479 if (gameMode == EditPosition)
15482 seekGraphUp = FALSE;
15483 MarkTargetSquares(1);
15485 if (gameMode == PlayFromGameFile && !pausing)
15488 if (gameMode == IcsExamining && pausing)
15489 limit = pauseExamForwardMostMove;
15491 limit = forwardMostMove;
15493 if (target > limit) target = limit;
15495 if (target > 0 && moveList[target - 1][0]) {
15496 int fromX, fromY, toX, toY;
15497 toX = moveList[target - 1][2] - AAA;
15498 toY = moveList[target - 1][3] - ONE;
15499 if (moveList[target - 1][1] == '@') {
15500 if (appData.highlightLastMove) {
15501 SetHighlights(-1, -1, toX, toY);
15504 int viaX = moveList[target - 1][5] - AAA;
15505 int viaY = moveList[target - 1][6] - ONE;
15506 fromX = moveList[target - 1][0] - AAA;
15507 fromY = moveList[target - 1][1] - ONE;
15508 if (target == currentMove + 1) {
15509 if(moveList[target - 1][4] == ';') { // multi-leg
15510 ChessSquare piece = boards[currentMove][viaY][viaX];
15511 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15512 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15513 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15514 boards[currentMove][viaY][viaX] = piece;
15516 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15518 if (appData.highlightLastMove) {
15519 SetHighlights(fromX, fromY, toX, toY);
15523 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15524 gameMode == Training || gameMode == PlayFromGameFile ||
15525 gameMode == AnalyzeFile) {
15526 while (currentMove < target) {
15527 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15528 SendMoveToProgram(currentMove++, &first);
15531 currentMove = target;
15534 if (gameMode == EditGame || gameMode == EndOfGame) {
15535 whiteTimeRemaining = timeRemaining[0][currentMove];
15536 blackTimeRemaining = timeRemaining[1][currentMove];
15538 DisplayBothClocks();
15539 DisplayMove(currentMove - 1);
15540 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15541 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15542 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15543 DisplayComment(currentMove - 1, commentList[currentMove]);
15545 ClearMap(); // [HGM] exclude: invalidate map
15552 if (gameMode == IcsExamining && !pausing) {
15553 SendToICS(ics_prefix);
15554 SendToICS("forward\n");
15556 ForwardInner(currentMove + 1);
15563 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15564 /* to optimze, we temporarily turn off analysis mode while we feed
15565 * the remaining moves to the engine. Otherwise we get analysis output
15568 if (first.analysisSupport) {
15569 SendToProgram("exit\nforce\n", &first);
15570 first.analyzing = FALSE;
15574 if (gameMode == IcsExamining && !pausing) {
15575 SendToICS(ics_prefix);
15576 SendToICS("forward 999999\n");
15578 ForwardInner(forwardMostMove);
15581 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15582 /* we have fed all the moves, so reactivate analysis mode */
15583 SendToProgram("analyze\n", &first);
15584 first.analyzing = TRUE;
15585 /*first.maybeThinking = TRUE;*/
15586 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15591 BackwardInner (int target)
15593 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15595 if (appData.debugMode)
15596 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15597 target, currentMove, forwardMostMove);
15599 if (gameMode == EditPosition) return;
15600 seekGraphUp = FALSE;
15601 MarkTargetSquares(1);
15602 if (currentMove <= backwardMostMove) {
15604 DrawPosition(full_redraw, boards[currentMove]);
15607 if (gameMode == PlayFromGameFile && !pausing)
15610 if (moveList[target][0]) {
15611 int fromX, fromY, toX, toY;
15612 toX = moveList[target][2] - AAA;
15613 toY = moveList[target][3] - ONE;
15614 if (moveList[target][1] == '@') {
15615 if (appData.highlightLastMove) {
15616 SetHighlights(-1, -1, toX, toY);
15619 fromX = moveList[target][0] - AAA;
15620 fromY = moveList[target][1] - ONE;
15621 if (target == currentMove - 1) {
15622 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15624 if (appData.highlightLastMove) {
15625 SetHighlights(fromX, fromY, toX, toY);
15629 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15630 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15631 while (currentMove > target) {
15632 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15633 // null move cannot be undone. Reload program with move history before it.
15635 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15636 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15638 SendBoard(&first, i);
15639 if(second.analyzing) SendBoard(&second, i);
15640 for(currentMove=i; currentMove<target; currentMove++) {
15641 SendMoveToProgram(currentMove, &first);
15642 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15646 SendToBoth("undo\n");
15650 currentMove = target;
15653 if (gameMode == EditGame || gameMode == EndOfGame) {
15654 whiteTimeRemaining = timeRemaining[0][currentMove];
15655 blackTimeRemaining = timeRemaining[1][currentMove];
15657 DisplayBothClocks();
15658 DisplayMove(currentMove - 1);
15659 DrawPosition(full_redraw, boards[currentMove]);
15660 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15661 // [HGM] PV info: routine tests if comment empty
15662 DisplayComment(currentMove - 1, commentList[currentMove]);
15663 ClearMap(); // [HGM] exclude: invalidate map
15669 if (gameMode == IcsExamining && !pausing) {
15670 SendToICS(ics_prefix);
15671 SendToICS("backward\n");
15673 BackwardInner(currentMove - 1);
15680 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15681 /* to optimize, we temporarily turn off analysis mode while we undo
15682 * all the moves. Otherwise we get analysis output after each undo.
15684 if (first.analysisSupport) {
15685 SendToProgram("exit\nforce\n", &first);
15686 first.analyzing = FALSE;
15690 if (gameMode == IcsExamining && !pausing) {
15691 SendToICS(ics_prefix);
15692 SendToICS("backward 999999\n");
15694 BackwardInner(backwardMostMove);
15697 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15698 /* we have fed all the moves, so reactivate analysis mode */
15699 SendToProgram("analyze\n", &first);
15700 first.analyzing = TRUE;
15701 /*first.maybeThinking = TRUE;*/
15702 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15709 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15710 if (to >= forwardMostMove) to = forwardMostMove;
15711 if (to <= backwardMostMove) to = backwardMostMove;
15712 if (to < currentMove) {
15720 RevertEvent (Boolean annotate)
15722 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15725 if (gameMode != IcsExamining) {
15726 DisplayError(_("You are not examining a game"), 0);
15730 DisplayError(_("You can't revert while pausing"), 0);
15733 SendToICS(ics_prefix);
15734 SendToICS("revert\n");
15738 RetractMoveEvent ()
15740 switch (gameMode) {
15741 case MachinePlaysWhite:
15742 case MachinePlaysBlack:
15743 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15744 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15747 if (forwardMostMove < 2) return;
15748 currentMove = forwardMostMove = forwardMostMove - 2;
15749 whiteTimeRemaining = timeRemaining[0][currentMove];
15750 blackTimeRemaining = timeRemaining[1][currentMove];
15751 DisplayBothClocks();
15752 DisplayMove(currentMove - 1);
15753 ClearHighlights();/*!! could figure this out*/
15754 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15755 SendToProgram("remove\n", &first);
15756 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15759 case BeginningOfGame:
15763 case IcsPlayingWhite:
15764 case IcsPlayingBlack:
15765 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15766 SendToICS(ics_prefix);
15767 SendToICS("takeback 2\n");
15769 SendToICS(ics_prefix);
15770 SendToICS("takeback 1\n");
15779 ChessProgramState *cps;
15781 switch (gameMode) {
15782 case MachinePlaysWhite:
15783 if (!WhiteOnMove(forwardMostMove)) {
15784 DisplayError(_("It is your turn"), 0);
15789 case MachinePlaysBlack:
15790 if (WhiteOnMove(forwardMostMove)) {
15791 DisplayError(_("It is your turn"), 0);
15796 case TwoMachinesPlay:
15797 if (WhiteOnMove(forwardMostMove) ==
15798 (first.twoMachinesColor[0] == 'w')) {
15804 case BeginningOfGame:
15808 SendToProgram("?\n", cps);
15812 TruncateGameEvent ()
15815 if (gameMode != EditGame) return;
15822 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15823 if (forwardMostMove > currentMove) {
15824 if (gameInfo.resultDetails != NULL) {
15825 free(gameInfo.resultDetails);
15826 gameInfo.resultDetails = NULL;
15827 gameInfo.result = GameUnfinished;
15829 forwardMostMove = currentMove;
15830 HistorySet(parseList, backwardMostMove, forwardMostMove,
15838 if (appData.noChessProgram) return;
15839 switch (gameMode) {
15840 case MachinePlaysWhite:
15841 if (WhiteOnMove(forwardMostMove)) {
15842 DisplayError(_("Wait until your turn."), 0);
15846 case BeginningOfGame:
15847 case MachinePlaysBlack:
15848 if (!WhiteOnMove(forwardMostMove)) {
15849 DisplayError(_("Wait until your turn."), 0);
15854 DisplayError(_("No hint available"), 0);
15857 SendToProgram("hint\n", &first);
15858 hintRequested = TRUE;
15862 SaveSelected (FILE *g, int dummy, char *dummy2)
15864 ListGame * lg = (ListGame *) gameList.head;
15868 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15869 DisplayError(_("Game list not loaded or empty"), 0);
15873 creatingBook = TRUE; // suppresses stuff during load game
15875 /* Get list size */
15876 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15877 if(lg->position >= 0) { // selected?
15878 LoadGame(f, nItem, "", TRUE);
15879 SaveGamePGN2(g); // leaves g open
15882 lg = (ListGame *) lg->node.succ;
15886 creatingBook = FALSE;
15894 ListGame * lg = (ListGame *) gameList.head;
15897 static int secondTime = FALSE;
15899 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15900 DisplayError(_("Game list not loaded or empty"), 0);
15904 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15907 DisplayNote(_("Book file exists! Try again for overwrite."));
15911 creatingBook = TRUE;
15912 secondTime = FALSE;
15914 /* Get list size */
15915 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15916 if(lg->position >= 0) {
15917 LoadGame(f, nItem, "", TRUE);
15918 AddGameToBook(TRUE);
15921 lg = (ListGame *) lg->node.succ;
15924 creatingBook = FALSE;
15931 if (appData.noChessProgram) return;
15932 switch (gameMode) {
15933 case MachinePlaysWhite:
15934 if (WhiteOnMove(forwardMostMove)) {
15935 DisplayError(_("Wait until your turn."), 0);
15939 case BeginningOfGame:
15940 case MachinePlaysBlack:
15941 if (!WhiteOnMove(forwardMostMove)) {
15942 DisplayError(_("Wait until your turn."), 0);
15947 EditPositionDone(TRUE);
15949 case TwoMachinesPlay:
15954 SendToProgram("bk\n", &first);
15955 bookOutput[0] = NULLCHAR;
15956 bookRequested = TRUE;
15962 char *tags = PGNTags(&gameInfo);
15963 TagsPopUp(tags, CmailMsg());
15967 /* end button procedures */
15970 PrintPosition (FILE *fp, int move)
15974 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15975 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15976 char c = PieceToChar(boards[move][i][j]);
15977 fputc(c == 'x' ? '.' : c, fp);
15978 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15981 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15982 fprintf(fp, "white to play\n");
15984 fprintf(fp, "black to play\n");
15988 PrintOpponents (FILE *fp)
15990 if (gameInfo.white != NULL) {
15991 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15997 /* Find last component of program's own name, using some heuristics */
15999 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16002 int local = (strcmp(host, "localhost") == 0);
16003 while (!local && (p = strchr(prog, ';')) != NULL) {
16005 while (*p == ' ') p++;
16008 if (*prog == '"' || *prog == '\'') {
16009 q = strchr(prog + 1, *prog);
16011 q = strchr(prog, ' ');
16013 if (q == NULL) q = prog + strlen(prog);
16015 while (p >= prog && *p != '/' && *p != '\\') p--;
16017 if(p == prog && *p == '"') p++;
16019 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16020 memcpy(buf, p, q - p);
16021 buf[q - p] = NULLCHAR;
16029 TimeControlTagValue ()
16032 if (!appData.clockMode) {
16033 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16034 } else if (movesPerSession > 0) {
16035 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16036 } else if (timeIncrement == 0) {
16037 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16039 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16041 return StrSave(buf);
16047 /* This routine is used only for certain modes */
16048 VariantClass v = gameInfo.variant;
16049 ChessMove r = GameUnfinished;
16052 if(keepInfo) return;
16054 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16055 r = gameInfo.result;
16056 p = gameInfo.resultDetails;
16057 gameInfo.resultDetails = NULL;
16059 ClearGameInfo(&gameInfo);
16060 gameInfo.variant = v;
16062 switch (gameMode) {
16063 case MachinePlaysWhite:
16064 gameInfo.event = StrSave( appData.pgnEventHeader );
16065 gameInfo.site = StrSave(HostName());
16066 gameInfo.date = PGNDate();
16067 gameInfo.round = StrSave("-");
16068 gameInfo.white = StrSave(first.tidy);
16069 gameInfo.black = StrSave(UserName());
16070 gameInfo.timeControl = TimeControlTagValue();
16073 case MachinePlaysBlack:
16074 gameInfo.event = StrSave( appData.pgnEventHeader );
16075 gameInfo.site = StrSave(HostName());
16076 gameInfo.date = PGNDate();
16077 gameInfo.round = StrSave("-");
16078 gameInfo.white = StrSave(UserName());
16079 gameInfo.black = StrSave(first.tidy);
16080 gameInfo.timeControl = TimeControlTagValue();
16083 case TwoMachinesPlay:
16084 gameInfo.event = StrSave( appData.pgnEventHeader );
16085 gameInfo.site = StrSave(HostName());
16086 gameInfo.date = PGNDate();
16089 snprintf(buf, MSG_SIZ, "%d", roundNr);
16090 gameInfo.round = StrSave(buf);
16092 gameInfo.round = StrSave("-");
16094 if (first.twoMachinesColor[0] == 'w') {
16095 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16096 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16098 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16099 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16101 gameInfo.timeControl = TimeControlTagValue();
16105 gameInfo.event = StrSave("Edited game");
16106 gameInfo.site = StrSave(HostName());
16107 gameInfo.date = PGNDate();
16108 gameInfo.round = StrSave("-");
16109 gameInfo.white = StrSave("-");
16110 gameInfo.black = StrSave("-");
16111 gameInfo.result = r;
16112 gameInfo.resultDetails = p;
16116 gameInfo.event = StrSave("Edited position");
16117 gameInfo.site = StrSave(HostName());
16118 gameInfo.date = PGNDate();
16119 gameInfo.round = StrSave("-");
16120 gameInfo.white = StrSave("-");
16121 gameInfo.black = StrSave("-");
16124 case IcsPlayingWhite:
16125 case IcsPlayingBlack:
16130 case PlayFromGameFile:
16131 gameInfo.event = StrSave("Game from non-PGN file");
16132 gameInfo.site = StrSave(HostName());
16133 gameInfo.date = PGNDate();
16134 gameInfo.round = StrSave("-");
16135 gameInfo.white = StrSave("?");
16136 gameInfo.black = StrSave("?");
16145 ReplaceComment (int index, char *text)
16151 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16152 pvInfoList[index-1].depth == len &&
16153 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16154 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16155 while (*text == '\n') text++;
16156 len = strlen(text);
16157 while (len > 0 && text[len - 1] == '\n') len--;
16159 if (commentList[index] != NULL)
16160 free(commentList[index]);
16163 commentList[index] = NULL;
16166 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16167 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16168 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16169 commentList[index] = (char *) malloc(len + 2);
16170 strncpy(commentList[index], text, len);
16171 commentList[index][len] = '\n';
16172 commentList[index][len + 1] = NULLCHAR;
16174 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16176 commentList[index] = (char *) malloc(len + 7);
16177 safeStrCpy(commentList[index], "{\n", 3);
16178 safeStrCpy(commentList[index]+2, text, len+1);
16179 commentList[index][len+2] = NULLCHAR;
16180 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16181 strcat(commentList[index], "\n}\n");
16186 CrushCRs (char *text)
16194 if (ch == '\r') continue;
16196 } while (ch != '\0');
16200 AppendComment (int index, char *text, Boolean addBraces)
16201 /* addBraces tells if we should add {} */
16206 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16207 if(addBraces == 3) addBraces = 0; else // force appending literally
16208 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16211 while (*text == '\n') text++;
16212 len = strlen(text);
16213 while (len > 0 && text[len - 1] == '\n') len--;
16214 text[len] = NULLCHAR;
16216 if (len == 0) return;
16218 if (commentList[index] != NULL) {
16219 Boolean addClosingBrace = addBraces;
16220 old = commentList[index];
16221 oldlen = strlen(old);
16222 while(commentList[index][oldlen-1] == '\n')
16223 commentList[index][--oldlen] = NULLCHAR;
16224 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16225 safeStrCpy(commentList[index], old, oldlen + len + 6);
16227 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16228 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16229 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16230 while (*text == '\n') { text++; len--; }
16231 commentList[index][--oldlen] = NULLCHAR;
16233 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16234 else strcat(commentList[index], "\n");
16235 strcat(commentList[index], text);
16236 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16237 else strcat(commentList[index], "\n");
16239 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16241 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16242 else commentList[index][0] = NULLCHAR;
16243 strcat(commentList[index], text);
16244 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16245 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16250 FindStr (char * text, char * sub_text)
16252 char * result = strstr( text, sub_text );
16254 if( result != NULL ) {
16255 result += strlen( sub_text );
16261 /* [AS] Try to extract PV info from PGN comment */
16262 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16264 GetInfoFromComment (int index, char * text)
16266 char * sep = text, *p;
16268 if( text != NULL && index > 0 ) {
16271 int time = -1, sec = 0, deci;
16272 char * s_eval = FindStr( text, "[%eval " );
16273 char * s_emt = FindStr( text, "[%emt " );
16275 if( s_eval != NULL || s_emt != NULL ) {
16277 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16282 if( s_eval != NULL ) {
16283 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16287 if( delim != ']' ) {
16292 if( s_emt != NULL ) {
16297 /* We expect something like: [+|-]nnn.nn/dd */
16300 if(*text != '{') return text; // [HGM] braces: must be normal comment
16302 sep = strchr( text, '/' );
16303 if( sep == NULL || sep < (text+4) ) {
16308 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16309 if(p[1] == '(') { // comment starts with PV
16310 p = strchr(p, ')'); // locate end of PV
16311 if(p == NULL || sep < p+5) return text;
16312 // at this point we have something like "{(.*) +0.23/6 ..."
16313 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16314 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16315 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16317 time = -1; sec = -1; deci = -1;
16318 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16319 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16320 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16321 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16325 if( score_lo < 0 || score_lo >= 100 ) {
16329 if(sec >= 0) time = 600*time + 10*sec; else
16330 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16332 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16334 /* [HGM] PV time: now locate end of PV info */
16335 while( *++sep >= '0' && *sep <= '9'); // strip depth
16337 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16339 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16341 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16342 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16353 pvInfoList[index-1].depth = depth;
16354 pvInfoList[index-1].score = score;
16355 pvInfoList[index-1].time = 10*time; // centi-sec
16356 if(*sep == '}') *sep = 0; else *--sep = '{';
16357 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16363 SendToProgram (char *message, ChessProgramState *cps)
16365 int count, outCount, error;
16368 if (cps->pr == NoProc) return;
16371 if (appData.debugMode) {
16374 fprintf(debugFP, "%ld >%-6s: %s",
16375 SubtractTimeMarks(&now, &programStartTime),
16376 cps->which, message);
16378 fprintf(serverFP, "%ld >%-6s: %s",
16379 SubtractTimeMarks(&now, &programStartTime),
16380 cps->which, message), fflush(serverFP);
16383 count = strlen(message);
16384 outCount = OutputToProcess(cps->pr, message, count, &error);
16385 if (outCount < count && !exiting
16386 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16387 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16388 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16389 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16390 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16391 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16392 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16393 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16395 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16396 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16397 gameInfo.result = res;
16399 gameInfo.resultDetails = StrSave(buf);
16401 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16402 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16407 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16411 ChessProgramState *cps = (ChessProgramState *)closure;
16413 if (isr != cps->isr) return; /* Killed intentionally */
16416 RemoveInputSource(cps->isr);
16417 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16418 _(cps->which), cps->program);
16419 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16420 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16421 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16422 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16423 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16424 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16426 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16427 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16428 gameInfo.result = res;
16430 gameInfo.resultDetails = StrSave(buf);
16432 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16433 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16435 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16436 _(cps->which), cps->program);
16437 RemoveInputSource(cps->isr);
16439 /* [AS] Program is misbehaving badly... kill it */
16440 if( count == -2 ) {
16441 DestroyChildProcess( cps->pr, 9 );
16445 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16450 if ((end_str = strchr(message, '\r')) != NULL)
16451 *end_str = NULLCHAR;
16452 if ((end_str = strchr(message, '\n')) != NULL)
16453 *end_str = NULLCHAR;
16455 if (appData.debugMode) {
16456 TimeMark now; int print = 1;
16457 char *quote = ""; char c; int i;
16459 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16460 char start = message[0];
16461 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16462 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16463 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16464 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16465 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16466 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16467 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16468 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16469 sscanf(message, "hint: %c", &c)!=1 &&
16470 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16471 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16472 print = (appData.engineComments >= 2);
16474 message[0] = start; // restore original message
16478 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16479 SubtractTimeMarks(&now, &programStartTime), cps->which,
16483 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16484 SubtractTimeMarks(&now, &programStartTime), cps->which,
16486 message), fflush(serverFP);
16490 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16491 if (appData.icsEngineAnalyze) {
16492 if (strstr(message, "whisper") != NULL ||
16493 strstr(message, "kibitz") != NULL ||
16494 strstr(message, "tellics") != NULL) return;
16497 HandleMachineMove(message, cps);
16502 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16507 if( timeControl_2 > 0 ) {
16508 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16509 tc = timeControl_2;
16512 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16513 inc /= cps->timeOdds;
16514 st /= cps->timeOdds;
16516 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16519 /* Set exact time per move, normally using st command */
16520 if (cps->stKludge) {
16521 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16523 if (seconds == 0) {
16524 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16526 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16529 snprintf(buf, MSG_SIZ, "st %d\n", st);
16532 /* Set conventional or incremental time control, using level command */
16533 if (seconds == 0) {
16534 /* Note old gnuchess bug -- minutes:seconds used to not work.
16535 Fixed in later versions, but still avoid :seconds
16536 when seconds is 0. */
16537 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16539 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16540 seconds, inc/1000.);
16543 SendToProgram(buf, cps);
16545 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16546 /* Orthogonally, limit search to given depth */
16548 if (cps->sdKludge) {
16549 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16551 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16553 SendToProgram(buf, cps);
16556 if(cps->nps >= 0) { /* [HGM] nps */
16557 if(cps->supportsNPS == FALSE)
16558 cps->nps = -1; // don't use if engine explicitly says not supported!
16560 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16561 SendToProgram(buf, cps);
16566 ChessProgramState *
16568 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16570 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16571 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16577 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16579 char message[MSG_SIZ];
16582 /* Note: this routine must be called when the clocks are stopped
16583 or when they have *just* been set or switched; otherwise
16584 it will be off by the time since the current tick started.
16586 if (machineWhite) {
16587 time = whiteTimeRemaining / 10;
16588 otime = blackTimeRemaining / 10;
16590 time = blackTimeRemaining / 10;
16591 otime = whiteTimeRemaining / 10;
16593 /* [HGM] translate opponent's time by time-odds factor */
16594 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16596 if (time <= 0) time = 1;
16597 if (otime <= 0) otime = 1;
16599 snprintf(message, MSG_SIZ, "time %ld\n", time);
16600 SendToProgram(message, cps);
16602 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16603 SendToProgram(message, cps);
16607 EngineDefinedVariant (ChessProgramState *cps, int n)
16608 { // return name of n-th unknown variant that engine supports
16609 static char buf[MSG_SIZ];
16610 char *p, *s = cps->variants;
16611 if(!s) return NULL;
16612 do { // parse string from variants feature
16614 p = strchr(s, ',');
16615 if(p) *p = NULLCHAR;
16616 v = StringToVariant(s);
16617 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16618 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16619 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16620 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16621 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16622 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16623 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16626 if(n < 0) return buf;
16632 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16635 int len = strlen(name);
16638 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16640 sscanf(*p, "%d", &val);
16642 while (**p && **p != ' ')
16644 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16645 SendToProgram(buf, cps);
16652 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16655 int len = strlen(name);
16656 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16658 sscanf(*p, "%d", loc);
16659 while (**p && **p != ' ') (*p)++;
16660 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16661 SendToProgram(buf, cps);
16668 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16671 int len = strlen(name);
16672 if (strncmp((*p), name, len) == 0
16673 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16675 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16676 sscanf(*p, "%[^\"]", *loc);
16677 while (**p && **p != '\"') (*p)++;
16678 if (**p == '\"') (*p)++;
16679 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16680 SendToProgram(buf, cps);
16687 ParseOption (Option *opt, ChessProgramState *cps)
16688 // [HGM] options: process the string that defines an engine option, and determine
16689 // name, type, default value, and allowed value range
16691 char *p, *q, buf[MSG_SIZ];
16692 int n, min = (-1)<<31, max = 1<<31, def;
16694 if(p = strstr(opt->name, " -spin ")) {
16695 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16696 if(max < min) max = min; // enforce consistency
16697 if(def < min) def = min;
16698 if(def > max) def = max;
16703 } else if((p = strstr(opt->name, " -slider "))) {
16704 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16705 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16706 if(max < min) max = min; // enforce consistency
16707 if(def < min) def = min;
16708 if(def > max) def = max;
16712 opt->type = Spin; // Slider;
16713 } else if((p = strstr(opt->name, " -string "))) {
16714 opt->textValue = p+9;
16715 opt->type = TextBox;
16716 } else if((p = strstr(opt->name, " -file "))) {
16717 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16718 opt->textValue = p+7;
16719 opt->type = FileName; // FileName;
16720 } else if((p = strstr(opt->name, " -path "))) {
16721 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16722 opt->textValue = p+7;
16723 opt->type = PathName; // PathName;
16724 } else if(p = strstr(opt->name, " -check ")) {
16725 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16726 opt->value = (def != 0);
16727 opt->type = CheckBox;
16728 } else if(p = strstr(opt->name, " -combo ")) {
16729 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16730 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16731 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16732 opt->value = n = 0;
16733 while(q = StrStr(q, " /// ")) {
16734 n++; *q = 0; // count choices, and null-terminate each of them
16736 if(*q == '*') { // remember default, which is marked with * prefix
16740 cps->comboList[cps->comboCnt++] = q;
16742 cps->comboList[cps->comboCnt++] = NULL;
16744 opt->type = ComboBox;
16745 } else if(p = strstr(opt->name, " -button")) {
16746 opt->type = Button;
16747 } else if(p = strstr(opt->name, " -save")) {
16748 opt->type = SaveButton;
16749 } else return FALSE;
16750 *p = 0; // terminate option name
16751 // now look if the command-line options define a setting for this engine option.
16752 if(cps->optionSettings && cps->optionSettings[0])
16753 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16754 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16755 snprintf(buf, MSG_SIZ, "option %s", p);
16756 if(p = strstr(buf, ",")) *p = 0;
16757 if(q = strchr(buf, '=')) switch(opt->type) {
16759 for(n=0; n<opt->max; n++)
16760 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16763 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16767 opt->value = atoi(q+1);
16772 SendToProgram(buf, cps);
16778 FeatureDone (ChessProgramState *cps, int val)
16780 DelayedEventCallback cb = GetDelayedEvent();
16781 if ((cb == InitBackEnd3 && cps == &first) ||
16782 (cb == SettingsMenuIfReady && cps == &second) ||
16783 (cb == LoadEngine) ||
16784 (cb == TwoMachinesEventIfReady)) {
16785 CancelDelayedEvent();
16786 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16788 cps->initDone = val;
16789 if(val) cps->reload = FALSE;
16792 /* Parse feature command from engine */
16794 ParseFeatures (char *args, ChessProgramState *cps)
16802 while (*p == ' ') p++;
16803 if (*p == NULLCHAR) return;
16805 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16806 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16807 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16808 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16809 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16810 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16811 if (BoolFeature(&p, "reuse", &val, cps)) {
16812 /* Engine can disable reuse, but can't enable it if user said no */
16813 if (!val) cps->reuse = FALSE;
16816 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16817 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16818 if (gameMode == TwoMachinesPlay) {
16819 DisplayTwoMachinesTitle();
16825 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16826 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16827 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16828 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16829 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16830 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16831 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16832 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16833 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16834 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16835 if (IntFeature(&p, "done", &val, cps)) {
16836 FeatureDone(cps, val);
16839 /* Added by Tord: */
16840 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16841 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16842 /* End of additions by Tord */
16844 /* [HGM] added features: */
16845 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16846 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16847 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16848 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16849 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16850 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16851 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16852 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16853 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16854 FREE(cps->option[cps->nrOptions].name);
16855 cps->option[cps->nrOptions].name = q; q = NULL;
16856 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16857 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16858 SendToProgram(buf, cps);
16861 if(cps->nrOptions >= MAX_OPTIONS) {
16863 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16864 DisplayError(buf, 0);
16868 /* End of additions by HGM */
16870 /* unknown feature: complain and skip */
16872 while (*q && *q != '=') q++;
16873 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16874 SendToProgram(buf, cps);
16880 while (*p && *p != '\"') p++;
16881 if (*p == '\"') p++;
16883 while (*p && *p != ' ') p++;
16891 PeriodicUpdatesEvent (int newState)
16893 if (newState == appData.periodicUpdates)
16896 appData.periodicUpdates=newState;
16898 /* Display type changes, so update it now */
16899 // DisplayAnalysis();
16901 /* Get the ball rolling again... */
16903 AnalysisPeriodicEvent(1);
16904 StartAnalysisClock();
16909 PonderNextMoveEvent (int newState)
16911 if (newState == appData.ponderNextMove) return;
16912 if (gameMode == EditPosition) EditPositionDone(TRUE);
16914 SendToProgram("hard\n", &first);
16915 if (gameMode == TwoMachinesPlay) {
16916 SendToProgram("hard\n", &second);
16919 SendToProgram("easy\n", &first);
16920 thinkOutput[0] = NULLCHAR;
16921 if (gameMode == TwoMachinesPlay) {
16922 SendToProgram("easy\n", &second);
16925 appData.ponderNextMove = newState;
16929 NewSettingEvent (int option, int *feature, char *command, int value)
16933 if (gameMode == EditPosition) EditPositionDone(TRUE);
16934 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16935 if(feature == NULL || *feature) SendToProgram(buf, &first);
16936 if (gameMode == TwoMachinesPlay) {
16937 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16942 ShowThinkingEvent ()
16943 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16945 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16946 int newState = appData.showThinking
16947 // [HGM] thinking: other features now need thinking output as well
16948 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16950 if (oldState == newState) return;
16951 oldState = newState;
16952 if (gameMode == EditPosition) EditPositionDone(TRUE);
16954 SendToProgram("post\n", &first);
16955 if (gameMode == TwoMachinesPlay) {
16956 SendToProgram("post\n", &second);
16959 SendToProgram("nopost\n", &first);
16960 thinkOutput[0] = NULLCHAR;
16961 if (gameMode == TwoMachinesPlay) {
16962 SendToProgram("nopost\n", &second);
16965 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16969 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16971 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16972 if (pr == NoProc) return;
16973 AskQuestion(title, question, replyPrefix, pr);
16977 TypeInEvent (char firstChar)
16979 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16980 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16981 gameMode == AnalyzeMode || gameMode == EditGame ||
16982 gameMode == EditPosition || gameMode == IcsExamining ||
16983 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16984 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16985 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16986 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16987 gameMode == Training) PopUpMoveDialog(firstChar);
16991 TypeInDoneEvent (char *move)
16994 int n, fromX, fromY, toX, toY;
16996 ChessMove moveType;
16999 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17000 EditPositionPasteFEN(move);
17003 // [HGM] movenum: allow move number to be typed in any mode
17004 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17008 // undocumented kludge: allow command-line option to be typed in!
17009 // (potentially fatal, and does not implement the effect of the option.)
17010 // should only be used for options that are values on which future decisions will be made,
17011 // and definitely not on options that would be used during initialization.
17012 if(strstr(move, "!!! -") == move) {
17013 ParseArgsFromString(move+4);
17017 if (gameMode != EditGame && currentMove != forwardMostMove &&
17018 gameMode != Training) {
17019 DisplayMoveError(_("Displayed move is not current"));
17021 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17022 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17023 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17024 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17025 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17026 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17028 DisplayMoveError(_("Could not parse move"));
17034 DisplayMove (int moveNumber)
17036 char message[MSG_SIZ];
17038 char cpThinkOutput[MSG_SIZ];
17040 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17042 if (moveNumber == forwardMostMove - 1 ||
17043 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17045 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17047 if (strchr(cpThinkOutput, '\n')) {
17048 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17051 *cpThinkOutput = NULLCHAR;
17054 /* [AS] Hide thinking from human user */
17055 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17056 *cpThinkOutput = NULLCHAR;
17057 if( thinkOutput[0] != NULLCHAR ) {
17060 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17061 cpThinkOutput[i] = '.';
17063 cpThinkOutput[i] = NULLCHAR;
17064 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17068 if (moveNumber == forwardMostMove - 1 &&
17069 gameInfo.resultDetails != NULL) {
17070 if (gameInfo.resultDetails[0] == NULLCHAR) {
17071 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17073 snprintf(res, MSG_SIZ, " {%s} %s",
17074 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17080 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17081 DisplayMessage(res, cpThinkOutput);
17083 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17084 WhiteOnMove(moveNumber) ? " " : ".. ",
17085 parseList[moveNumber], res);
17086 DisplayMessage(message, cpThinkOutput);
17091 DisplayComment (int moveNumber, char *text)
17093 char title[MSG_SIZ];
17095 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17096 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17098 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17099 WhiteOnMove(moveNumber) ? " " : ".. ",
17100 parseList[moveNumber]);
17102 if (text != NULL && (appData.autoDisplayComment || commentUp))
17103 CommentPopUp(title, text);
17106 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17107 * might be busy thinking or pondering. It can be omitted if your
17108 * gnuchess is configured to stop thinking immediately on any user
17109 * input. However, that gnuchess feature depends on the FIONREAD
17110 * ioctl, which does not work properly on some flavors of Unix.
17113 Attention (ChessProgramState *cps)
17116 if (!cps->useSigint) return;
17117 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17118 switch (gameMode) {
17119 case MachinePlaysWhite:
17120 case MachinePlaysBlack:
17121 case TwoMachinesPlay:
17122 case IcsPlayingWhite:
17123 case IcsPlayingBlack:
17126 /* Skip if we know it isn't thinking */
17127 if (!cps->maybeThinking) return;
17128 if (appData.debugMode)
17129 fprintf(debugFP, "Interrupting %s\n", cps->which);
17130 InterruptChildProcess(cps->pr);
17131 cps->maybeThinking = FALSE;
17136 #endif /*ATTENTION*/
17142 if (whiteTimeRemaining <= 0) {
17145 if (appData.icsActive) {
17146 if (appData.autoCallFlag &&
17147 gameMode == IcsPlayingBlack && !blackFlag) {
17148 SendToICS(ics_prefix);
17149 SendToICS("flag\n");
17153 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17155 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17156 if (appData.autoCallFlag) {
17157 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17164 if (blackTimeRemaining <= 0) {
17167 if (appData.icsActive) {
17168 if (appData.autoCallFlag &&
17169 gameMode == IcsPlayingWhite && !whiteFlag) {
17170 SendToICS(ics_prefix);
17171 SendToICS("flag\n");
17175 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17177 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17178 if (appData.autoCallFlag) {
17179 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17190 CheckTimeControl ()
17192 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17193 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17196 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17198 if ( !WhiteOnMove(forwardMostMove) ) {
17199 /* White made time control */
17200 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17201 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17202 /* [HGM] time odds: correct new time quota for time odds! */
17203 / WhitePlayer()->timeOdds;
17204 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17206 lastBlack -= blackTimeRemaining;
17207 /* Black made time control */
17208 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17209 / WhitePlayer()->other->timeOdds;
17210 lastWhite = whiteTimeRemaining;
17215 DisplayBothClocks ()
17217 int wom = gameMode == EditPosition ?
17218 !blackPlaysFirst : WhiteOnMove(currentMove);
17219 DisplayWhiteClock(whiteTimeRemaining, wom);
17220 DisplayBlackClock(blackTimeRemaining, !wom);
17224 /* Timekeeping seems to be a portability nightmare. I think everyone
17225 has ftime(), but I'm really not sure, so I'm including some ifdefs
17226 to use other calls if you don't. Clocks will be less accurate if
17227 you have neither ftime nor gettimeofday.
17230 /* VS 2008 requires the #include outside of the function */
17231 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17232 #include <sys/timeb.h>
17235 /* Get the current time as a TimeMark */
17237 GetTimeMark (TimeMark *tm)
17239 #if HAVE_GETTIMEOFDAY
17241 struct timeval timeVal;
17242 struct timezone timeZone;
17244 gettimeofday(&timeVal, &timeZone);
17245 tm->sec = (long) timeVal.tv_sec;
17246 tm->ms = (int) (timeVal.tv_usec / 1000L);
17248 #else /*!HAVE_GETTIMEOFDAY*/
17251 // include <sys/timeb.h> / moved to just above start of function
17252 struct timeb timeB;
17255 tm->sec = (long) timeB.time;
17256 tm->ms = (int) timeB.millitm;
17258 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17259 tm->sec = (long) time(NULL);
17265 /* Return the difference in milliseconds between two
17266 time marks. We assume the difference will fit in a long!
17269 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17271 return 1000L*(tm2->sec - tm1->sec) +
17272 (long) (tm2->ms - tm1->ms);
17277 * Code to manage the game clocks.
17279 * In tournament play, black starts the clock and then white makes a move.
17280 * We give the human user a slight advantage if he is playing white---the
17281 * clocks don't run until he makes his first move, so it takes zero time.
17282 * Also, we don't account for network lag, so we could get out of sync
17283 * with GNU Chess's clock -- but then, referees are always right.
17286 static TimeMark tickStartTM;
17287 static long intendedTickLength;
17290 NextTickLength (long timeRemaining)
17292 long nominalTickLength, nextTickLength;
17294 if (timeRemaining > 0L && timeRemaining <= 10000L)
17295 nominalTickLength = 100L;
17297 nominalTickLength = 1000L;
17298 nextTickLength = timeRemaining % nominalTickLength;
17299 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17301 return nextTickLength;
17304 /* Adjust clock one minute up or down */
17306 AdjustClock (Boolean which, int dir)
17308 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17309 if(which) blackTimeRemaining += 60000*dir;
17310 else whiteTimeRemaining += 60000*dir;
17311 DisplayBothClocks();
17312 adjustedClock = TRUE;
17315 /* Stop clocks and reset to a fresh time control */
17319 (void) StopClockTimer();
17320 if (appData.icsActive) {
17321 whiteTimeRemaining = blackTimeRemaining = 0;
17322 } else if (searchTime) {
17323 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17324 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17325 } else { /* [HGM] correct new time quote for time odds */
17326 whiteTC = blackTC = fullTimeControlString;
17327 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17328 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17330 if (whiteFlag || blackFlag) {
17332 whiteFlag = blackFlag = FALSE;
17334 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17335 DisplayBothClocks();
17336 adjustedClock = FALSE;
17339 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17341 /* Decrement running clock by amount of time that has passed */
17345 long timeRemaining;
17346 long lastTickLength, fudge;
17349 if (!appData.clockMode) return;
17350 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17354 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17356 /* Fudge if we woke up a little too soon */
17357 fudge = intendedTickLength - lastTickLength;
17358 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17360 if (WhiteOnMove(forwardMostMove)) {
17361 if(whiteNPS >= 0) lastTickLength = 0;
17362 timeRemaining = whiteTimeRemaining -= lastTickLength;
17363 if(timeRemaining < 0 && !appData.icsActive) {
17364 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17365 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17366 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17367 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17370 DisplayWhiteClock(whiteTimeRemaining - fudge,
17371 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17373 if(blackNPS >= 0) lastTickLength = 0;
17374 timeRemaining = blackTimeRemaining -= lastTickLength;
17375 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17376 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17378 blackStartMove = forwardMostMove;
17379 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17382 DisplayBlackClock(blackTimeRemaining - fudge,
17383 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17385 if (CheckFlags()) return;
17387 if(twoBoards) { // count down secondary board's clocks as well
17388 activePartnerTime -= lastTickLength;
17390 if(activePartner == 'W')
17391 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17393 DisplayBlackClock(activePartnerTime, TRUE);
17398 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17399 StartClockTimer(intendedTickLength);
17401 /* if the time remaining has fallen below the alarm threshold, sound the
17402 * alarm. if the alarm has sounded and (due to a takeback or time control
17403 * with increment) the time remaining has increased to a level above the
17404 * threshold, reset the alarm so it can sound again.
17407 if (appData.icsActive && appData.icsAlarm) {
17409 /* make sure we are dealing with the user's clock */
17410 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17411 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17414 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17415 alarmSounded = FALSE;
17416 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17418 alarmSounded = TRUE;
17424 /* A player has just moved, so stop the previously running
17425 clock and (if in clock mode) start the other one.
17426 We redisplay both clocks in case we're in ICS mode, because
17427 ICS gives us an update to both clocks after every move.
17428 Note that this routine is called *after* forwardMostMove
17429 is updated, so the last fractional tick must be subtracted
17430 from the color that is *not* on move now.
17433 SwitchClocks (int newMoveNr)
17435 long lastTickLength;
17437 int flagged = FALSE;
17441 if (StopClockTimer() && appData.clockMode) {
17442 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17443 if (!WhiteOnMove(forwardMostMove)) {
17444 if(blackNPS >= 0) lastTickLength = 0;
17445 blackTimeRemaining -= lastTickLength;
17446 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17447 // if(pvInfoList[forwardMostMove].time == -1)
17448 pvInfoList[forwardMostMove].time = // use GUI time
17449 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17451 if(whiteNPS >= 0) lastTickLength = 0;
17452 whiteTimeRemaining -= lastTickLength;
17453 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17454 // if(pvInfoList[forwardMostMove].time == -1)
17455 pvInfoList[forwardMostMove].time =
17456 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17458 flagged = CheckFlags();
17460 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17461 CheckTimeControl();
17463 if (flagged || !appData.clockMode) return;
17465 switch (gameMode) {
17466 case MachinePlaysBlack:
17467 case MachinePlaysWhite:
17468 case BeginningOfGame:
17469 if (pausing) return;
17473 case PlayFromGameFile:
17481 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17482 if(WhiteOnMove(forwardMostMove))
17483 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17484 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17488 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17489 whiteTimeRemaining : blackTimeRemaining);
17490 StartClockTimer(intendedTickLength);
17494 /* Stop both clocks */
17498 long lastTickLength;
17501 if (!StopClockTimer()) return;
17502 if (!appData.clockMode) return;
17506 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17507 if (WhiteOnMove(forwardMostMove)) {
17508 if(whiteNPS >= 0) lastTickLength = 0;
17509 whiteTimeRemaining -= lastTickLength;
17510 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17512 if(blackNPS >= 0) lastTickLength = 0;
17513 blackTimeRemaining -= lastTickLength;
17514 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17519 /* Start clock of player on move. Time may have been reset, so
17520 if clock is already running, stop and restart it. */
17524 (void) StopClockTimer(); /* in case it was running already */
17525 DisplayBothClocks();
17526 if (CheckFlags()) return;
17528 if (!appData.clockMode) return;
17529 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17531 GetTimeMark(&tickStartTM);
17532 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17533 whiteTimeRemaining : blackTimeRemaining);
17535 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17536 whiteNPS = blackNPS = -1;
17537 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17538 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17539 whiteNPS = first.nps;
17540 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17541 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17542 blackNPS = first.nps;
17543 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17544 whiteNPS = second.nps;
17545 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17546 blackNPS = second.nps;
17547 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17549 StartClockTimer(intendedTickLength);
17553 TimeString (long ms)
17555 long second, minute, hour, day;
17557 static char buf[32];
17559 if (ms > 0 && ms <= 9900) {
17560 /* convert milliseconds to tenths, rounding up */
17561 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17563 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17567 /* convert milliseconds to seconds, rounding up */
17568 /* use floating point to avoid strangeness of integer division
17569 with negative dividends on many machines */
17570 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17577 day = second / (60 * 60 * 24);
17578 second = second % (60 * 60 * 24);
17579 hour = second / (60 * 60);
17580 second = second % (60 * 60);
17581 minute = second / 60;
17582 second = second % 60;
17585 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17586 sign, day, hour, minute, second);
17588 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17590 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17597 * This is necessary because some C libraries aren't ANSI C compliant yet.
17600 StrStr (char *string, char *match)
17604 length = strlen(match);
17606 for (i = strlen(string) - length; i >= 0; i--, string++)
17607 if (!strncmp(match, string, length))
17614 StrCaseStr (char *string, char *match)
17618 length = strlen(match);
17620 for (i = strlen(string) - length; i >= 0; i--, string++) {
17621 for (j = 0; j < length; j++) {
17622 if (ToLower(match[j]) != ToLower(string[j]))
17625 if (j == length) return string;
17633 StrCaseCmp (char *s1, char *s2)
17638 c1 = ToLower(*s1++);
17639 c2 = ToLower(*s2++);
17640 if (c1 > c2) return 1;
17641 if (c1 < c2) return -1;
17642 if (c1 == NULLCHAR) return 0;
17650 return isupper(c) ? tolower(c) : c;
17657 return islower(c) ? toupper(c) : c;
17659 #endif /* !_amigados */
17666 if ((ret = (char *) malloc(strlen(s) + 1)))
17668 safeStrCpy(ret, s, strlen(s)+1);
17674 StrSavePtr (char *s, char **savePtr)
17679 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17680 safeStrCpy(*savePtr, s, strlen(s)+1);
17692 clock = time((time_t *)NULL);
17693 tm = localtime(&clock);
17694 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17695 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17696 return StrSave(buf);
17701 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17703 int i, j, fromX, fromY, toX, toY;
17710 whiteToPlay = (gameMode == EditPosition) ?
17711 !blackPlaysFirst : (move % 2 == 0);
17714 /* Piece placement data */
17715 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17716 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17718 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17719 if (boards[move][i][j] == EmptySquare) {
17721 } else { ChessSquare piece = boards[move][i][j];
17722 if (emptycount > 0) {
17723 if(emptycount<10) /* [HGM] can be >= 10 */
17724 *p++ = '0' + emptycount;
17725 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17728 if(PieceToChar(piece) == '+') {
17729 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17731 piece = (ChessSquare)(CHUDEMOTED piece);
17733 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17735 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17736 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17741 if (emptycount > 0) {
17742 if(emptycount<10) /* [HGM] can be >= 10 */
17743 *p++ = '0' + emptycount;
17744 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17751 /* [HGM] print Crazyhouse or Shogi holdings */
17752 if( gameInfo.holdingsWidth ) {
17753 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17755 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17756 piece = boards[move][i][BOARD_WIDTH-1];
17757 if( piece != EmptySquare )
17758 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17759 *p++ = PieceToChar(piece);
17761 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17762 piece = boards[move][BOARD_HEIGHT-i-1][0];
17763 if( piece != EmptySquare )
17764 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17765 *p++ = PieceToChar(piece);
17768 if( q == p ) *p++ = '-';
17774 *p++ = whiteToPlay ? 'w' : 'b';
17777 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17778 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17780 if(nrCastlingRights) {
17782 if(appData.fischerCastling) {
17783 /* [HGM] write directly from rights */
17784 if(boards[move][CASTLING][2] != NoRights &&
17785 boards[move][CASTLING][0] != NoRights )
17786 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17787 if(boards[move][CASTLING][2] != NoRights &&
17788 boards[move][CASTLING][1] != NoRights )
17789 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17790 if(boards[move][CASTLING][5] != NoRights &&
17791 boards[move][CASTLING][3] != NoRights )
17792 *p++ = boards[move][CASTLING][3] + AAA;
17793 if(boards[move][CASTLING][5] != NoRights &&
17794 boards[move][CASTLING][4] != NoRights )
17795 *p++ = boards[move][CASTLING][4] + AAA;
17798 /* [HGM] write true castling rights */
17799 if( nrCastlingRights == 6 ) {
17801 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17802 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17803 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17804 boards[move][CASTLING][2] != NoRights );
17805 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17806 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17807 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17808 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17809 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17813 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17814 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17815 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17816 boards[move][CASTLING][5] != NoRights );
17817 if(gameInfo.variant == VariantSChess) {
17818 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17819 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17820 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17821 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17826 if (q == p) *p++ = '-'; /* No castling rights */
17830 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17831 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17832 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17833 /* En passant target square */
17834 if (move > backwardMostMove) {
17835 fromX = moveList[move - 1][0] - AAA;
17836 fromY = moveList[move - 1][1] - ONE;
17837 toX = moveList[move - 1][2] - AAA;
17838 toY = moveList[move - 1][3] - ONE;
17839 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17840 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17841 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17843 /* 2-square pawn move just happened */
17845 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17849 } else if(move == backwardMostMove) {
17850 // [HGM] perhaps we should always do it like this, and forget the above?
17851 if((signed char)boards[move][EP_STATUS] >= 0) {
17852 *p++ = boards[move][EP_STATUS] + AAA;
17853 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17865 { int i = 0, j=move;
17867 /* [HGM] find reversible plies */
17868 if (appData.debugMode) { int k;
17869 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17870 for(k=backwardMostMove; k<=forwardMostMove; k++)
17871 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17875 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17876 if( j == backwardMostMove ) i += initialRulePlies;
17877 sprintf(p, "%d ", i);
17878 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17880 /* Fullmove number */
17881 sprintf(p, "%d", (move / 2) + 1);
17882 } else *--p = NULLCHAR;
17884 return StrSave(buf);
17888 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17890 int i, j, k, w=0, subst=0, shuffle=0;
17892 int emptycount, virgin[BOARD_FILES];
17897 /* Piece placement data */
17898 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17901 if (*p == '/' || *p == ' ' || *p == '[' ) {
17903 emptycount = gameInfo.boardWidth - j;
17904 while (emptycount--)
17905 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17906 if (*p == '/') p++;
17907 else if(autoSize) { // we stumbled unexpectedly into end of board
17908 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17909 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17911 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17914 #if(BOARD_FILES >= 10)*0
17915 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17916 p++; emptycount=10;
17917 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17918 while (emptycount--)
17919 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17921 } else if (*p == '*') {
17922 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17923 } else if (isdigit(*p)) {
17924 emptycount = *p++ - '0';
17925 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17926 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17927 while (emptycount--)
17928 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17929 } else if (*p == '<') {
17930 if(i == BOARD_HEIGHT-1) shuffle = 1;
17931 else if (i != 0 || !shuffle) return FALSE;
17933 } else if (shuffle && *p == '>') {
17934 p++; // for now ignore closing shuffle range, and assume rank-end
17935 } else if (*p == '?') {
17936 if (j >= gameInfo.boardWidth) return FALSE;
17937 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17938 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17939 } else if (*p == '+' || isalpha(*p)) {
17940 if (j >= gameInfo.boardWidth) return FALSE;
17942 piece = CharToPiece(*++p);
17943 if(piece == EmptySquare) return FALSE; /* unknown piece */
17944 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17945 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17946 } else piece = CharToPiece(*p++);
17948 if(piece==EmptySquare) return FALSE; /* unknown piece */
17949 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17950 piece = (ChessSquare) (PROMOTED piece);
17951 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17954 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17960 while (*p == '/' || *p == ' ') p++;
17962 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17964 /* [HGM] by default clear Crazyhouse holdings, if present */
17965 if(gameInfo.holdingsWidth) {
17966 for(i=0; i<BOARD_HEIGHT; i++) {
17967 board[i][0] = EmptySquare; /* black holdings */
17968 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17969 board[i][1] = (ChessSquare) 0; /* black counts */
17970 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17974 /* [HGM] look for Crazyhouse holdings here */
17975 while(*p==' ') p++;
17976 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17977 int swap=0, wcnt=0, bcnt=0;
17979 if(*p == '<') swap++, p++;
17980 if(*p == '-' ) p++; /* empty holdings */ else {
17981 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17982 /* if we would allow FEN reading to set board size, we would */
17983 /* have to add holdings and shift the board read so far here */
17984 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17986 if((int) piece >= (int) BlackPawn ) {
17987 i = (int)piece - (int)BlackPawn;
17988 i = PieceToNumber((ChessSquare)i);
17989 if( i >= gameInfo.holdingsSize ) return FALSE;
17990 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17991 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17994 i = (int)piece - (int)WhitePawn;
17995 i = PieceToNumber((ChessSquare)i);
17996 if( i >= gameInfo.holdingsSize ) return FALSE;
17997 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17998 board[i][BOARD_WIDTH-2]++; /* black holdings */
18002 if(subst) { // substitute back-rank question marks by holdings pieces
18003 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18004 int k, m, n = bcnt + 1;
18005 if(board[0][j] == ClearBoard) {
18006 if(!wcnt) return FALSE;
18008 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18009 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18010 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18014 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18015 if(!bcnt) return FALSE;
18016 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18017 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18018 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18019 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18030 if(subst) return FALSE; // substitution requested, but no holdings
18032 while(*p == ' ') p++;
18036 if(appData.colorNickNames) {
18037 if( c == appData.colorNickNames[0] ) c = 'w'; else
18038 if( c == appData.colorNickNames[1] ) c = 'b';
18042 *blackPlaysFirst = FALSE;
18045 *blackPlaysFirst = TRUE;
18051 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18052 /* return the extra info in global variiables */
18054 /* set defaults in case FEN is incomplete */
18055 board[EP_STATUS] = EP_UNKNOWN;
18056 for(i=0; i<nrCastlingRights; i++ ) {
18057 board[CASTLING][i] =
18058 appData.fischerCastling ? NoRights : initialRights[i];
18059 } /* assume possible unless obviously impossible */
18060 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18061 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18062 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18063 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18064 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18065 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18066 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18067 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18070 while(*p==' ') p++;
18071 if(nrCastlingRights) {
18073 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18074 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18075 /* castling indicator present, so default becomes no castlings */
18076 for(i=0; i<nrCastlingRights; i++ ) {
18077 board[CASTLING][i] = NoRights;
18080 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18081 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18082 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18083 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18084 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18086 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18087 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18088 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18090 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18091 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18092 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18093 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18094 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18095 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18098 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18099 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18100 board[CASTLING][2] = whiteKingFile;
18101 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18102 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18103 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18106 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18107 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18108 board[CASTLING][2] = whiteKingFile;
18109 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18110 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18111 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18114 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18115 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18116 board[CASTLING][5] = blackKingFile;
18117 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18118 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18119 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18122 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18123 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18124 board[CASTLING][5] = blackKingFile;
18125 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18126 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18127 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18130 default: /* FRC castlings */
18131 if(c >= 'a') { /* black rights */
18132 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18133 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18134 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18135 if(i == BOARD_RGHT) break;
18136 board[CASTLING][5] = i;
18138 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18139 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18141 board[CASTLING][3] = c;
18143 board[CASTLING][4] = c;
18144 } else { /* white rights */
18145 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18147 if(board[0][i] == WhiteKing) break;
18148 if(i == BOARD_RGHT) break;
18149 board[CASTLING][2] = i;
18150 c -= AAA - 'a' + 'A';
18151 if(board[0][c] >= WhiteKing) break;
18153 board[CASTLING][0] = c;
18155 board[CASTLING][1] = c;
18159 for(i=0; i<nrCastlingRights; i++)
18160 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18161 if(gameInfo.variant == VariantSChess)
18162 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18163 if(fischer && shuffle) appData.fischerCastling = TRUE;
18164 if (appData.debugMode) {
18165 fprintf(debugFP, "FEN castling rights:");
18166 for(i=0; i<nrCastlingRights; i++)
18167 fprintf(debugFP, " %d", board[CASTLING][i]);
18168 fprintf(debugFP, "\n");
18171 while(*p==' ') p++;
18174 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18176 /* read e.p. field in games that know e.p. capture */
18177 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18178 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18179 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18181 p++; board[EP_STATUS] = EP_NONE;
18183 char c = *p++ - AAA;
18185 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18186 if(*p >= '0' && *p <='9') p++;
18187 board[EP_STATUS] = c;
18192 if(sscanf(p, "%d", &i) == 1) {
18193 FENrulePlies = i; /* 50-move ply counter */
18194 /* (The move number is still ignored) */
18201 EditPositionPasteFEN (char *fen)
18204 Board initial_position;
18206 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18207 DisplayError(_("Bad FEN position in clipboard"), 0);
18210 int savedBlackPlaysFirst = blackPlaysFirst;
18211 EditPositionEvent();
18212 blackPlaysFirst = savedBlackPlaysFirst;
18213 CopyBoard(boards[0], initial_position);
18214 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18215 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18216 DisplayBothClocks();
18217 DrawPosition(FALSE, boards[currentMove]);
18222 static char cseq[12] = "\\ ";
18225 set_cont_sequence (char *new_seq)
18230 // handle bad attempts to set the sequence
18232 return 0; // acceptable error - no debug
18234 len = strlen(new_seq);
18235 ret = (len > 0) && (len < sizeof(cseq));
18237 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18238 else if (appData.debugMode)
18239 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18244 reformat a source message so words don't cross the width boundary. internal
18245 newlines are not removed. returns the wrapped size (no null character unless
18246 included in source message). If dest is NULL, only calculate the size required
18247 for the dest buffer. lp argument indicats line position upon entry, and it's
18248 passed back upon exit.
18251 wrap (char *dest, char *src, int count, int width, int *lp)
18253 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18255 cseq_len = strlen(cseq);
18256 old_line = line = *lp;
18257 ansi = len = clen = 0;
18259 for (i=0; i < count; i++)
18261 if (src[i] == '\033')
18264 // if we hit the width, back up
18265 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18267 // store i & len in case the word is too long
18268 old_i = i, old_len = len;
18270 // find the end of the last word
18271 while (i && src[i] != ' ' && src[i] != '\n')
18277 // word too long? restore i & len before splitting it
18278 if ((old_i-i+clen) >= width)
18285 if (i && src[i-1] == ' ')
18288 if (src[i] != ' ' && src[i] != '\n')
18295 // now append the newline and continuation sequence
18300 strncpy(dest+len, cseq, cseq_len);
18308 dest[len] = src[i];
18312 if (src[i] == '\n')
18317 if (dest && appData.debugMode)
18319 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18320 count, width, line, len, *lp);
18321 show_bytes(debugFP, src, count);
18322 fprintf(debugFP, "\ndest: ");
18323 show_bytes(debugFP, dest, len);
18324 fprintf(debugFP, "\n");
18326 *lp = dest ? line : old_line;
18331 // [HGM] vari: routines for shelving variations
18332 Boolean modeRestore = FALSE;
18335 PushInner (int firstMove, int lastMove)
18337 int i, j, nrMoves = lastMove - firstMove;
18339 // push current tail of game on stack
18340 savedResult[storedGames] = gameInfo.result;
18341 savedDetails[storedGames] = gameInfo.resultDetails;
18342 gameInfo.resultDetails = NULL;
18343 savedFirst[storedGames] = firstMove;
18344 savedLast [storedGames] = lastMove;
18345 savedFramePtr[storedGames] = framePtr;
18346 framePtr -= nrMoves; // reserve space for the boards
18347 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18348 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18349 for(j=0; j<MOVE_LEN; j++)
18350 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18351 for(j=0; j<2*MOVE_LEN; j++)
18352 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18353 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18354 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18355 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18356 pvInfoList[firstMove+i-1].depth = 0;
18357 commentList[framePtr+i] = commentList[firstMove+i];
18358 commentList[firstMove+i] = NULL;
18362 forwardMostMove = firstMove; // truncate game so we can start variation
18366 PushTail (int firstMove, int lastMove)
18368 if(appData.icsActive) { // only in local mode
18369 forwardMostMove = currentMove; // mimic old ICS behavior
18372 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18374 PushInner(firstMove, lastMove);
18375 if(storedGames == 1) GreyRevert(FALSE);
18376 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18380 PopInner (Boolean annotate)
18383 char buf[8000], moveBuf[20];
18385 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18386 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18387 nrMoves = savedLast[storedGames] - currentMove;
18390 if(!WhiteOnMove(currentMove))
18391 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18392 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18393 for(i=currentMove; i<forwardMostMove; i++) {
18395 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18396 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18397 strcat(buf, moveBuf);
18398 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18399 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18403 for(i=1; i<=nrMoves; i++) { // copy last variation back
18404 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18405 for(j=0; j<MOVE_LEN; j++)
18406 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18407 for(j=0; j<2*MOVE_LEN; j++)
18408 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18409 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18410 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18411 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18412 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18413 commentList[currentMove+i] = commentList[framePtr+i];
18414 commentList[framePtr+i] = NULL;
18416 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18417 framePtr = savedFramePtr[storedGames];
18418 gameInfo.result = savedResult[storedGames];
18419 if(gameInfo.resultDetails != NULL) {
18420 free(gameInfo.resultDetails);
18422 gameInfo.resultDetails = savedDetails[storedGames];
18423 forwardMostMove = currentMove + nrMoves;
18427 PopTail (Boolean annotate)
18429 if(appData.icsActive) return FALSE; // only in local mode
18430 if(!storedGames) return FALSE; // sanity
18431 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18433 PopInner(annotate);
18434 if(currentMove < forwardMostMove) ForwardEvent(); else
18435 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18437 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18443 { // remove all shelved variations
18445 for(i=0; i<storedGames; i++) {
18446 if(savedDetails[i])
18447 free(savedDetails[i]);
18448 savedDetails[i] = NULL;
18450 for(i=framePtr; i<MAX_MOVES; i++) {
18451 if(commentList[i]) free(commentList[i]);
18452 commentList[i] = NULL;
18454 framePtr = MAX_MOVES-1;
18459 LoadVariation (int index, char *text)
18460 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18461 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18462 int level = 0, move;
18464 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18465 // first find outermost bracketing variation
18466 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18467 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18468 if(*p == '{') wait = '}'; else
18469 if(*p == '[') wait = ']'; else
18470 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18471 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18473 if(*p == wait) wait = NULLCHAR; // closing ]} found
18476 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18477 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18478 end[1] = NULLCHAR; // clip off comment beyond variation
18479 ToNrEvent(currentMove-1);
18480 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18481 // kludge: use ParsePV() to append variation to game
18482 move = currentMove;
18483 ParsePV(start, TRUE, TRUE);
18484 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18485 ClearPremoveHighlights();
18487 ToNrEvent(currentMove+1);
18493 char *p, *q, buf[MSG_SIZ];
18494 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18495 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18496 ParseArgsFromString(buf);
18497 ActivateTheme(TRUE); // also redo colors
18501 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18504 q = appData.themeNames;
18505 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18506 if(appData.useBitmaps) {
18507 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18508 appData.liteBackTextureFile, appData.darkBackTextureFile,
18509 appData.liteBackTextureMode,
18510 appData.darkBackTextureMode );
18512 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18513 Col2Text(2), // lightSquareColor
18514 Col2Text(3) ); // darkSquareColor
18516 if(appData.useBorder) {
18517 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18520 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18522 if(appData.useFont) {
18523 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18524 appData.renderPiecesWithFont,
18525 appData.fontToPieceTable,
18526 Col2Text(9), // appData.fontBackColorWhite
18527 Col2Text(10) ); // appData.fontForeColorBlack
18529 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18530 appData.pieceDirectory);
18531 if(!appData.pieceDirectory[0])
18532 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18533 Col2Text(0), // whitePieceColor
18534 Col2Text(1) ); // blackPieceColor
18536 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18537 Col2Text(4), // highlightSquareColor
18538 Col2Text(5) ); // premoveHighlightColor
18539 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18540 if(insert != q) insert[-1] = NULLCHAR;
18541 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18544 ActivateTheme(FALSE);