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), legal[rt][ft] = 1;
7265 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
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] = !pieceDefs, 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] &&
7579 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7580 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7581 DisplayMessage(_("only marked squares are legal"),"");
7582 DrawPosition(TRUE, NULL);
7583 return; // ignore to-click
7586 /* we now have a different from- and (possibly off-board) to-square */
7587 /* Completed move */
7588 if(!sweepSelecting) {
7593 piece = boards[currentMove][fromY][fromX];
7595 saveAnimate = appData.animate;
7596 if (clickType == Press) {
7597 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7598 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7599 // must be Edit Position mode with empty-square selected
7600 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7601 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7604 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7607 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7608 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7610 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7611 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7612 if(appData.sweepSelect) {
7613 promoSweep = defaultPromoChoice;
7614 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7615 selectFlag = 0; lastX = xPix; lastY = yPix;
7616 Sweep(0); // Pawn that is going to promote: preview promotion piece
7618 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7619 MarkTargetSquares(1);
7621 return; // promo popup appears on up-click
7623 /* Finish clickclick move */
7624 if (appData.animate || appData.highlightLastMove) {
7625 SetHighlights(fromX, fromY, toX, toY);
7629 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7630 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7631 if (appData.animate || appData.highlightLastMove) {
7632 SetHighlights(fromX, fromY, toX, toY);
7638 // [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
7639 /* Finish drag move */
7640 if (appData.highlightLastMove) {
7641 SetHighlights(fromX, fromY, toX, toY);
7646 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7647 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7648 dragging *= 2; // flag button-less dragging if we are dragging
7649 MarkTargetSquares(1);
7650 if(x == killX && y == killY) killX = killY = -1; else {
7651 killX = x; killY = y; //remeber this square as intermediate
7652 ReportClick("put", x, y); // and inform engine
7653 ReportClick("lift", x, y);
7654 MarkTargetSquares(0);
7658 DragPieceEnd(xPix, yPix); dragging = 0;
7659 /* Don't animate move and drag both */
7660 appData.animate = FALSE;
7663 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7664 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7665 ChessSquare piece = boards[currentMove][fromY][fromX];
7666 if(gameMode == EditPosition && piece != EmptySquare &&
7667 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7670 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7671 n = PieceToNumber(piece - (int)BlackPawn);
7672 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7673 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7674 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7676 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7677 n = PieceToNumber(piece);
7678 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7679 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7680 boards[currentMove][n][BOARD_WIDTH-2]++;
7682 boards[currentMove][fromY][fromX] = EmptySquare;
7686 MarkTargetSquares(1);
7687 DrawPosition(TRUE, boards[currentMove]);
7691 // off-board moves should not be highlighted
7692 if(x < 0 || y < 0) ClearHighlights();
7693 else ReportClick("put", x, y);
7695 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7697 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7698 SetHighlights(fromX, fromY, toX, toY);
7699 MarkTargetSquares(1);
7700 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7701 // [HGM] super: promotion to captured piece selected from holdings
7702 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7703 promotionChoice = TRUE;
7704 // kludge follows to temporarily execute move on display, without promoting yet
7705 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7706 boards[currentMove][toY][toX] = p;
7707 DrawPosition(FALSE, boards[currentMove]);
7708 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7709 boards[currentMove][toY][toX] = q;
7710 DisplayMessage("Click in holdings to choose piece", "");
7713 PromotionPopUp(promoChoice);
7715 int oldMove = currentMove;
7716 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7717 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7718 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7719 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7720 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7721 DrawPosition(TRUE, boards[currentMove]);
7722 MarkTargetSquares(1);
7725 appData.animate = saveAnimate;
7726 if (appData.animate || appData.animateDragging) {
7727 /* Undo animation damage if needed */
7728 DrawPosition(FALSE, NULL);
7733 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7734 { // front-end-free part taken out of PieceMenuPopup
7735 int whichMenu; int xSqr, ySqr;
7737 if(seekGraphUp) { // [HGM] seekgraph
7738 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7739 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7743 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7744 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7745 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7746 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7747 if(action == Press) {
7748 originalFlip = flipView;
7749 flipView = !flipView; // temporarily flip board to see game from partners perspective
7750 DrawPosition(TRUE, partnerBoard);
7751 DisplayMessage(partnerStatus, "");
7753 } else if(action == Release) {
7754 flipView = originalFlip;
7755 DrawPosition(TRUE, boards[currentMove]);
7761 xSqr = EventToSquare(x, BOARD_WIDTH);
7762 ySqr = EventToSquare(y, BOARD_HEIGHT);
7763 if (action == Release) {
7764 if(pieceSweep != EmptySquare) {
7765 EditPositionMenuEvent(pieceSweep, toX, toY);
7766 pieceSweep = EmptySquare;
7767 } else UnLoadPV(); // [HGM] pv
7769 if (action != Press) return -2; // return code to be ignored
7772 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7774 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7775 if (xSqr < 0 || ySqr < 0) return -1;
7776 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7777 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7778 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7779 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7783 if(!appData.icsEngineAnalyze) return -1;
7784 case IcsPlayingWhite:
7785 case IcsPlayingBlack:
7786 if(!appData.zippyPlay) goto noZip;
7789 case MachinePlaysWhite:
7790 case MachinePlaysBlack:
7791 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7792 if (!appData.dropMenu) {
7794 return 2; // flag front-end to grab mouse events
7796 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7797 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7800 if (xSqr < 0 || ySqr < 0) return -1;
7801 if (!appData.dropMenu || appData.testLegality &&
7802 gameInfo.variant != VariantBughouse &&
7803 gameInfo.variant != VariantCrazyhouse) return -1;
7804 whichMenu = 1; // drop menu
7810 if (((*fromX = xSqr) < 0) ||
7811 ((*fromY = ySqr) < 0)) {
7812 *fromX = *fromY = -1;
7816 *fromX = BOARD_WIDTH - 1 - *fromX;
7818 *fromY = BOARD_HEIGHT - 1 - *fromY;
7824 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7826 // char * hint = lastHint;
7827 FrontEndProgramStats stats;
7829 stats.which = cps == &first ? 0 : 1;
7830 stats.depth = cpstats->depth;
7831 stats.nodes = cpstats->nodes;
7832 stats.score = cpstats->score;
7833 stats.time = cpstats->time;
7834 stats.pv = cpstats->movelist;
7835 stats.hint = lastHint;
7836 stats.an_move_index = 0;
7837 stats.an_move_count = 0;
7839 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7840 stats.hint = cpstats->move_name;
7841 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7842 stats.an_move_count = cpstats->nr_moves;
7845 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
7847 SetProgramStats( &stats );
7851 ClearEngineOutputPane (int which)
7853 static FrontEndProgramStats dummyStats;
7854 dummyStats.which = which;
7855 dummyStats.pv = "#";
7856 SetProgramStats( &dummyStats );
7859 #define MAXPLAYERS 500
7862 TourneyStandings (int display)
7864 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7865 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7866 char result, *p, *names[MAXPLAYERS];
7868 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7869 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7870 names[0] = p = strdup(appData.participants);
7871 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7873 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7875 while(result = appData.results[nr]) {
7876 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7877 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7878 wScore = bScore = 0;
7880 case '+': wScore = 2; break;
7881 case '-': bScore = 2; break;
7882 case '=': wScore = bScore = 1; break;
7884 case '*': return strdup("busy"); // tourney not finished
7892 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7893 for(w=0; w<nPlayers; w++) {
7895 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7896 ranking[w] = b; points[w] = bScore; score[b] = -2;
7898 p = malloc(nPlayers*34+1);
7899 for(w=0; w<nPlayers && w<display; w++)
7900 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7906 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7907 { // count all piece types
7909 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7910 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7911 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7914 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7915 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7916 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7917 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7918 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7919 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7924 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7926 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7927 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7929 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7930 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7931 if(myPawns == 2 && nMine == 3) // KPP
7932 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7933 if(myPawns == 1 && nMine == 2) // KP
7934 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7935 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7936 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7937 if(myPawns) return FALSE;
7938 if(pCnt[WhiteRook+side])
7939 return pCnt[BlackRook-side] ||
7940 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7941 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7942 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7943 if(pCnt[WhiteCannon+side]) {
7944 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7945 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7947 if(pCnt[WhiteKnight+side])
7948 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7953 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7955 VariantClass v = gameInfo.variant;
7957 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7958 if(v == VariantShatranj) return TRUE; // always winnable through baring
7959 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7960 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7962 if(v == VariantXiangqi) {
7963 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7965 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7966 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7967 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7968 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7969 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7970 if(stale) // we have at least one last-rank P plus perhaps C
7971 return majors // KPKX
7972 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7974 return pCnt[WhiteFerz+side] // KCAK
7975 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7976 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7977 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7979 } else if(v == VariantKnightmate) {
7980 if(nMine == 1) return FALSE;
7981 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7982 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7983 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7985 if(nMine == 1) return FALSE; // bare King
7986 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
7987 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7988 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7989 // by now we have King + 1 piece (or multiple Bishops on the same color)
7990 if(pCnt[WhiteKnight+side])
7991 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7992 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7993 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7995 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7996 if(pCnt[WhiteAlfil+side])
7997 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7998 if(pCnt[WhiteWazir+side])
7999 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8006 CompareWithRights (Board b1, Board b2)
8009 if(!CompareBoards(b1, b2)) return FALSE;
8010 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8011 /* compare castling rights */
8012 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8013 rights++; /* King lost rights, while rook still had them */
8014 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8015 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8016 rights++; /* but at least one rook lost them */
8018 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8020 if( b1[CASTLING][5] != NoRights ) {
8021 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8028 Adjudicate (ChessProgramState *cps)
8029 { // [HGM] some adjudications useful with buggy engines
8030 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8031 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8032 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8033 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8034 int k, drop, count = 0; static int bare = 1;
8035 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8036 Boolean canAdjudicate = !appData.icsActive;
8038 // most tests only when we understand the game, i.e. legality-checking on
8039 if( appData.testLegality )
8040 { /* [HGM] Some more adjudications for obstinate engines */
8041 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8042 static int moveCount = 6;
8044 char *reason = NULL;
8046 /* Count what is on board. */
8047 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8049 /* Some material-based adjudications that have to be made before stalemate test */
8050 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8051 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8052 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8053 if(canAdjudicate && appData.checkMates) {
8055 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8056 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8057 "Xboard adjudication: King destroyed", GE_XBOARD );
8062 /* Bare King in Shatranj (loses) or Losers (wins) */
8063 if( nrW == 1 || nrB == 1) {
8064 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8065 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8066 if(canAdjudicate && appData.checkMates) {
8068 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8069 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8070 "Xboard adjudication: Bare king", GE_XBOARD );
8074 if( gameInfo.variant == VariantShatranj && --bare < 0)
8076 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8077 if(canAdjudicate && appData.checkMates) {
8078 /* but only adjudicate if adjudication enabled */
8080 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8081 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8082 "Xboard adjudication: Bare king", GE_XBOARD );
8089 // don't wait for engine to announce game end if we can judge ourselves
8090 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8092 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8093 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8094 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8095 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8098 reason = "Xboard adjudication: 3rd check";
8099 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8110 reason = "Xboard adjudication: Stalemate";
8111 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8112 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8113 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8114 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8115 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8116 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8117 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8118 EP_CHECKMATE : EP_WINS);
8119 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8120 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8124 reason = "Xboard adjudication: Checkmate";
8125 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8126 if(gameInfo.variant == VariantShogi) {
8127 if(forwardMostMove > backwardMostMove
8128 && moveList[forwardMostMove-1][1] == '@'
8129 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8130 reason = "XBoard adjudication: pawn-drop mate";
8131 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8137 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8139 result = GameIsDrawn; break;
8141 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8143 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8147 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8149 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8150 GameEnds( result, reason, GE_XBOARD );
8154 /* Next absolutely insufficient mating material. */
8155 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8156 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8157 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8159 /* always flag draws, for judging claims */
8160 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8162 if(canAdjudicate && appData.materialDraws) {
8163 /* but only adjudicate them if adjudication enabled */
8164 if(engineOpponent) {
8165 SendToProgram("force\n", engineOpponent); // suppress reply
8166 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8168 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8173 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8174 if(gameInfo.variant == VariantXiangqi ?
8175 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8177 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8178 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8179 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8180 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8182 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8183 { /* if the first 3 moves do not show a tactical win, declare draw */
8184 if(engineOpponent) {
8185 SendToProgram("force\n", engineOpponent); // suppress reply
8186 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8188 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8191 } else moveCount = 6;
8194 // Repetition draws and 50-move rule can be applied independently of legality testing
8196 /* Check for rep-draws */
8198 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8199 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8200 for(k = forwardMostMove-2;
8201 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8202 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8203 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8206 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8207 /* compare castling rights */
8208 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8209 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8210 rights++; /* King lost rights, while rook still had them */
8211 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8212 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8213 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8214 rights++; /* but at least one rook lost them */
8216 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8217 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8219 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8220 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8221 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8224 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8225 && appData.drawRepeats > 1) {
8226 /* adjudicate after user-specified nr of repeats */
8227 int result = GameIsDrawn;
8228 char *details = "XBoard adjudication: repetition draw";
8229 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8230 // [HGM] xiangqi: check for forbidden perpetuals
8231 int m, ourPerpetual = 1, hisPerpetual = 1;
8232 for(m=forwardMostMove; m>k; m-=2) {
8233 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8234 ourPerpetual = 0; // the current mover did not always check
8235 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8236 hisPerpetual = 0; // the opponent did not always check
8238 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8239 ourPerpetual, hisPerpetual);
8240 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8241 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8242 details = "Xboard adjudication: perpetual checking";
8244 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8245 break; // (or we would have caught him before). Abort repetition-checking loop.
8247 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8248 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8250 details = "Xboard adjudication: repetition";
8252 } else // it must be XQ
8253 // Now check for perpetual chases
8254 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8255 hisPerpetual = PerpetualChase(k, forwardMostMove);
8256 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8257 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8258 static char resdet[MSG_SIZ];
8259 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8261 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8263 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8264 break; // Abort repetition-checking loop.
8266 // if neither of us is checking or chasing all the time, or both are, it is draw
8268 if(engineOpponent) {
8269 SendToProgram("force\n", engineOpponent); // suppress reply
8270 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8272 GameEnds( result, details, GE_XBOARD );
8275 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8276 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8280 /* Now we test for 50-move draws. Determine ply count */
8281 count = forwardMostMove;
8282 /* look for last irreversble move */
8283 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8285 /* if we hit starting position, add initial plies */
8286 if( count == backwardMostMove )
8287 count -= initialRulePlies;
8288 count = forwardMostMove - count;
8289 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8290 // adjust reversible move counter for checks in Xiangqi
8291 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8292 if(i < backwardMostMove) i = backwardMostMove;
8293 while(i <= forwardMostMove) {
8294 lastCheck = inCheck; // check evasion does not count
8295 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8296 if(inCheck || lastCheck) count--; // check does not count
8301 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8302 /* this is used to judge if draw claims are legal */
8303 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8304 if(engineOpponent) {
8305 SendToProgram("force\n", engineOpponent); // suppress reply
8306 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8308 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8312 /* if draw offer is pending, treat it as a draw claim
8313 * when draw condition present, to allow engines a way to
8314 * claim draws before making their move to avoid a race
8315 * condition occurring after their move
8317 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8319 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8320 p = "Draw claim: 50-move rule";
8321 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8322 p = "Draw claim: 3-fold repetition";
8323 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8324 p = "Draw claim: insufficient mating material";
8325 if( p != NULL && canAdjudicate) {
8326 if(engineOpponent) {
8327 SendToProgram("force\n", engineOpponent); // suppress reply
8328 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8330 GameEnds( GameIsDrawn, p, GE_XBOARD );
8335 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8336 if(engineOpponent) {
8337 SendToProgram("force\n", engineOpponent); // suppress reply
8338 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8340 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8346 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8347 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8348 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8353 int pieces[10], squares[10], cnt=0, r, f, res;
8355 static PPROBE_EGBB probeBB;
8356 if(!appData.testLegality) return 10;
8357 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8358 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8359 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8360 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8361 ChessSquare piece = boards[forwardMostMove][r][f];
8362 int black = (piece >= BlackPawn);
8363 int type = piece - black*BlackPawn;
8364 if(piece == EmptySquare) continue;
8365 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8366 if(type == WhiteKing) type = WhiteQueen + 1;
8367 type = egbbCode[type];
8368 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8369 pieces[cnt] = type + black*6;
8370 if(++cnt > 5) return 11;
8372 pieces[cnt] = squares[cnt] = 0;
8374 if(loaded == 2) return 13; // loading failed before
8376 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8379 loaded = 2; // prepare for failure
8380 if(!path) return 13; // no egbb installed
8381 strncpy(buf, path + 8, MSG_SIZ);
8382 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8383 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8384 lib = LoadLibrary(buf);
8385 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8386 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8387 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8388 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8389 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8390 loaded = 1; // success!
8392 res = probeBB(forwardMostMove & 1, pieces, squares);
8393 return res > 0 ? 1 : res < 0 ? -1 : 0;
8397 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8398 { // [HGM] book: this routine intercepts moves to simulate book replies
8399 char *bookHit = NULL;
8401 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8403 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8404 SendToProgram(buf, cps);
8406 //first determine if the incoming move brings opponent into his book
8407 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8408 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8409 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8410 if(bookHit != NULL && !cps->bookSuspend) {
8411 // make sure opponent is not going to reply after receiving move to book position
8412 SendToProgram("force\n", cps);
8413 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8415 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8416 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8417 // now arrange restart after book miss
8419 // after a book hit we never send 'go', and the code after the call to this routine
8420 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8421 char buf[MSG_SIZ], *move = bookHit;
8423 int fromX, fromY, toX, toY;
8427 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8428 &fromX, &fromY, &toX, &toY, &promoChar)) {
8429 (void) CoordsToAlgebraic(boards[forwardMostMove],
8430 PosFlags(forwardMostMove),
8431 fromY, fromX, toY, toX, promoChar, move);
8433 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8437 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8438 SendToProgram(buf, cps);
8439 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8440 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8441 SendToProgram("go\n", cps);
8442 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8443 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8444 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8445 SendToProgram("go\n", cps);
8446 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8448 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8452 LoadError (char *errmess, ChessProgramState *cps)
8453 { // unloads engine and switches back to -ncp mode if it was first
8454 if(cps->initDone) return FALSE;
8455 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8456 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8459 appData.noChessProgram = TRUE;
8460 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8461 gameMode = BeginningOfGame; ModeHighlight();
8464 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8465 DisplayMessage("", ""); // erase waiting message
8466 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8471 ChessProgramState *savedState;
8473 DeferredBookMove (void)
8475 if(savedState->lastPing != savedState->lastPong)
8476 ScheduleDelayedEvent(DeferredBookMove, 10);
8478 HandleMachineMove(savedMessage, savedState);
8481 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8482 static ChessProgramState *stalledEngine;
8483 static char stashedInputMove[MSG_SIZ];
8486 HandleMachineMove (char *message, ChessProgramState *cps)
8488 static char firstLeg[20];
8489 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8490 char realname[MSG_SIZ];
8491 int fromX, fromY, toX, toY;
8493 char promoChar, roar;
8495 int machineWhite, oldError;
8498 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8499 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8500 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8501 DisplayError(_("Invalid pairing from pairing engine"), 0);
8504 pairingReceived = 1;
8506 return; // Skim the pairing messages here.
8509 oldError = cps->userError; cps->userError = 0;
8511 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8513 * Kludge to ignore BEL characters
8515 while (*message == '\007') message++;
8518 * [HGM] engine debug message: ignore lines starting with '#' character
8520 if(cps->debug && *message == '#') return;
8523 * Look for book output
8525 if (cps == &first && bookRequested) {
8526 if (message[0] == '\t' || message[0] == ' ') {
8527 /* Part of the book output is here; append it */
8528 strcat(bookOutput, message);
8529 strcat(bookOutput, " \n");
8531 } else if (bookOutput[0] != NULLCHAR) {
8532 /* All of book output has arrived; display it */
8533 char *p = bookOutput;
8534 while (*p != NULLCHAR) {
8535 if (*p == '\t') *p = ' ';
8538 DisplayInformation(bookOutput);
8539 bookRequested = FALSE;
8540 /* Fall through to parse the current output */
8545 * Look for machine move.
8547 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8548 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8550 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8551 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8552 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8553 stalledEngine = cps;
8554 if(appData.ponderNextMove) { // bring opponent out of ponder
8555 if(gameMode == TwoMachinesPlay) {
8556 if(cps->other->pause)
8557 PauseEngine(cps->other);
8559 SendToProgram("easy\n", cps->other);
8566 /* This method is only useful on engines that support ping */
8567 if (cps->lastPing != cps->lastPong) {
8568 if (gameMode == BeginningOfGame) {
8569 /* Extra move from before last new; ignore */
8570 if (appData.debugMode) {
8571 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8574 if (appData.debugMode) {
8575 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8576 cps->which, gameMode);
8579 SendToProgram("undo\n", cps);
8585 case BeginningOfGame:
8586 /* Extra move from before last reset; ignore */
8587 if (appData.debugMode) {
8588 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8595 /* Extra move after we tried to stop. The mode test is
8596 not a reliable way of detecting this problem, but it's
8597 the best we can do on engines that don't support ping.
8599 if (appData.debugMode) {
8600 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8601 cps->which, gameMode);
8603 SendToProgram("undo\n", cps);
8606 case MachinePlaysWhite:
8607 case IcsPlayingWhite:
8608 machineWhite = TRUE;
8611 case MachinePlaysBlack:
8612 case IcsPlayingBlack:
8613 machineWhite = FALSE;
8616 case TwoMachinesPlay:
8617 machineWhite = (cps->twoMachinesColor[0] == 'w');
8620 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8621 if (appData.debugMode) {
8623 "Ignoring move out of turn by %s, gameMode %d"
8624 ", forwardMost %d\n",
8625 cps->which, gameMode, forwardMostMove);
8630 if(cps->alphaRank) AlphaRank(machineMove, 4);
8632 // [HGM] lion: (some very limited) support for Alien protocol
8634 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8635 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8637 } else if(firstLeg[0]) { // there was a previous leg;
8638 // only support case where same piece makes two step (and don't even test that!)
8639 char buf[20], *p = machineMove+1, *q = buf+1, f;
8640 safeStrCpy(buf, machineMove, 20);
8641 while(isdigit(*q)) q++; // find start of to-square
8642 safeStrCpy(machineMove, firstLeg, 20);
8643 while(isdigit(*p)) p++;
8644 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8645 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8646 firstLeg[0] = NULLCHAR;
8649 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8650 &fromX, &fromY, &toX, &toY, &promoChar)) {
8651 /* Machine move could not be parsed; ignore it. */
8652 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8653 machineMove, _(cps->which));
8654 DisplayMoveError(buf1);
8655 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8656 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8657 if (gameMode == TwoMachinesPlay) {
8658 GameEnds(machineWhite ? BlackWins : WhiteWins,
8664 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8665 /* So we have to redo legality test with true e.p. status here, */
8666 /* to make sure an illegal e.p. capture does not slip through, */
8667 /* to cause a forfeit on a justified illegal-move complaint */
8668 /* of the opponent. */
8669 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8671 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8672 fromY, fromX, toY, toX, promoChar);
8673 if(moveType == IllegalMove) {
8674 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8675 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8676 GameEnds(machineWhite ? BlackWins : WhiteWins,
8679 } else if(!appData.fischerCastling)
8680 /* [HGM] Kludge to handle engines that send FRC-style castling
8681 when they shouldn't (like TSCP-Gothic) */
8683 case WhiteASideCastleFR:
8684 case BlackASideCastleFR:
8686 currentMoveString[2]++;
8688 case WhiteHSideCastleFR:
8689 case BlackHSideCastleFR:
8691 currentMoveString[2]--;
8693 default: ; // nothing to do, but suppresses warning of pedantic compilers
8696 hintRequested = FALSE;
8697 lastHint[0] = NULLCHAR;
8698 bookRequested = FALSE;
8699 /* Program may be pondering now */
8700 cps->maybeThinking = TRUE;
8701 if (cps->sendTime == 2) cps->sendTime = 1;
8702 if (cps->offeredDraw) cps->offeredDraw--;
8704 /* [AS] Save move info*/
8705 pvInfoList[ forwardMostMove ].score = programStats.score;
8706 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8707 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8709 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8711 /* Test suites abort the 'game' after one move */
8712 if(*appData.finger) {
8714 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8715 if(!f) f = fopen(appData.finger, "w");
8716 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8717 else { DisplayFatalError("Bad output file", errno, 0); return; }
8719 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8722 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8723 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8726 while( count < adjudicateLossPlies ) {
8727 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8730 score = -score; /* Flip score for winning side */
8733 if( score > appData.adjudicateLossThreshold ) {
8740 if( count >= adjudicateLossPlies ) {
8741 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8743 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8744 "Xboard adjudication",
8751 if(Adjudicate(cps)) {
8752 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8753 return; // [HGM] adjudicate: for all automatic game ends
8757 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8759 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8760 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8762 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8764 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8766 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8767 char buf[3*MSG_SIZ];
8769 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8770 programStats.score / 100.,
8772 programStats.time / 100.,
8773 (unsigned int)programStats.nodes,
8774 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8775 programStats.movelist);
8781 /* [AS] Clear stats for next move */
8782 ClearProgramStats();
8783 thinkOutput[0] = NULLCHAR;
8784 hiddenThinkOutputState = 0;
8787 if (gameMode == TwoMachinesPlay) {
8788 /* [HGM] relaying draw offers moved to after reception of move */
8789 /* and interpreting offer as claim if it brings draw condition */
8790 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8791 SendToProgram("draw\n", cps->other);
8793 if (cps->other->sendTime) {
8794 SendTimeRemaining(cps->other,
8795 cps->other->twoMachinesColor[0] == 'w');
8797 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8798 if (firstMove && !bookHit) {
8800 if (cps->other->useColors) {
8801 SendToProgram(cps->other->twoMachinesColor, cps->other);
8803 SendToProgram("go\n", cps->other);
8805 cps->other->maybeThinking = TRUE;
8808 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8810 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8812 if (!pausing && appData.ringBellAfterMoves) {
8813 if(!roar) RingBell();
8817 * Reenable menu items that were disabled while
8818 * machine was thinking
8820 if (gameMode != TwoMachinesPlay)
8821 SetUserThinkingEnables();
8823 // [HGM] book: after book hit opponent has received move and is now in force mode
8824 // force the book reply into it, and then fake that it outputted this move by jumping
8825 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8827 static char bookMove[MSG_SIZ]; // a bit generous?
8829 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8830 strcat(bookMove, bookHit);
8833 programStats.nodes = programStats.depth = programStats.time =
8834 programStats.score = programStats.got_only_move = 0;
8835 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8837 if(cps->lastPing != cps->lastPong) {
8838 savedMessage = message; // args for deferred call
8840 ScheduleDelayedEvent(DeferredBookMove, 10);
8849 /* Set special modes for chess engines. Later something general
8850 * could be added here; for now there is just one kludge feature,
8851 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8852 * when "xboard" is given as an interactive command.
8854 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8855 cps->useSigint = FALSE;
8856 cps->useSigterm = FALSE;
8858 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8859 ParseFeatures(message+8, cps);
8860 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8863 if (!strncmp(message, "setup ", 6) &&
8864 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8865 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8866 ) { // [HGM] allow first engine to define opening position
8867 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8868 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8870 if(sscanf(message, "setup (%s", buf) == 1) {
8871 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8872 ASSIGN(appData.pieceToCharTable, buf);
8874 if(startedFromSetupPosition) return;
8875 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8877 while(message[s] && message[s++] != ' ');
8878 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8879 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8880 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8881 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8882 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8883 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8886 ParseFEN(boards[0], &dummy, message+s, FALSE);
8887 DrawPosition(TRUE, boards[0]);
8888 startedFromSetupPosition = TRUE;
8891 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8892 ChessSquare piece = WhitePawn;
8894 if(cps != &first || appData.testLegality) return;
8895 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8896 piece += CharToPiece(*p) - WhitePawn;
8897 if(piece < EmptySquare) {
8899 ASSIGN(pieceDesc[piece], buf1);
8900 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8904 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8905 * want this, I was asked to put it in, and obliged.
8907 if (!strncmp(message, "setboard ", 9)) {
8908 Board initial_position;
8910 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8912 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8913 DisplayError(_("Bad FEN received from engine"), 0);
8917 CopyBoard(boards[0], initial_position);
8918 initialRulePlies = FENrulePlies;
8919 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8920 else gameMode = MachinePlaysBlack;
8921 DrawPosition(FALSE, boards[currentMove]);
8927 * Look for communication commands
8929 if (!strncmp(message, "telluser ", 9)) {
8930 if(message[9] == '\\' && message[10] == '\\')
8931 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8933 DisplayNote(message + 9);
8936 if (!strncmp(message, "tellusererror ", 14)) {
8938 if(message[14] == '\\' && message[15] == '\\')
8939 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8941 DisplayError(message + 14, 0);
8944 if (!strncmp(message, "tellopponent ", 13)) {
8945 if (appData.icsActive) {
8947 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8951 DisplayNote(message + 13);
8955 if (!strncmp(message, "tellothers ", 11)) {
8956 if (appData.icsActive) {
8958 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8961 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8964 if (!strncmp(message, "tellall ", 8)) {
8965 if (appData.icsActive) {
8967 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8971 DisplayNote(message + 8);
8975 if (strncmp(message, "warning", 7) == 0) {
8976 /* Undocumented feature, use tellusererror in new code */
8977 DisplayError(message, 0);
8980 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8981 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8982 strcat(realname, " query");
8983 AskQuestion(realname, buf2, buf1, cps->pr);
8986 /* Commands from the engine directly to ICS. We don't allow these to be
8987 * sent until we are logged on. Crafty kibitzes have been known to
8988 * interfere with the login process.
8991 if (!strncmp(message, "tellics ", 8)) {
8992 SendToICS(message + 8);
8996 if (!strncmp(message, "tellicsnoalias ", 15)) {
8997 SendToICS(ics_prefix);
8998 SendToICS(message + 15);
9002 /* The following are for backward compatibility only */
9003 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9004 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9005 SendToICS(ics_prefix);
9011 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9012 if(initPing == cps->lastPong) {
9013 if(gameInfo.variant == VariantUnknown) {
9014 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9015 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9016 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9022 if(!strncmp(message, "highlight ", 10)) {
9023 if(appData.testLegality && appData.markers) return;
9024 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9027 if(!strncmp(message, "click ", 6)) {
9028 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9029 if(appData.testLegality || !appData.oneClick) return;
9030 sscanf(message+6, "%c%d%c", &f, &y, &c);
9031 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9032 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9033 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9034 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9035 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9036 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9037 LeftClick(Release, lastLeftX, lastLeftY);
9038 controlKey = (c == ',');
9039 LeftClick(Press, x, y);
9040 LeftClick(Release, x, y);
9041 first.highlight = f;
9045 * If the move is illegal, cancel it and redraw the board.
9046 * Also deal with other error cases. Matching is rather loose
9047 * here to accommodate engines written before the spec.
9049 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9050 strncmp(message, "Error", 5) == 0) {
9051 if (StrStr(message, "name") ||
9052 StrStr(message, "rating") || StrStr(message, "?") ||
9053 StrStr(message, "result") || StrStr(message, "board") ||
9054 StrStr(message, "bk") || StrStr(message, "computer") ||
9055 StrStr(message, "variant") || StrStr(message, "hint") ||
9056 StrStr(message, "random") || StrStr(message, "depth") ||
9057 StrStr(message, "accepted")) {
9060 if (StrStr(message, "protover")) {
9061 /* Program is responding to input, so it's apparently done
9062 initializing, and this error message indicates it is
9063 protocol version 1. So we don't need to wait any longer
9064 for it to initialize and send feature commands. */
9065 FeatureDone(cps, 1);
9066 cps->protocolVersion = 1;
9069 cps->maybeThinking = FALSE;
9071 if (StrStr(message, "draw")) {
9072 /* Program doesn't have "draw" command */
9073 cps->sendDrawOffers = 0;
9076 if (cps->sendTime != 1 &&
9077 (StrStr(message, "time") || StrStr(message, "otim"))) {
9078 /* Program apparently doesn't have "time" or "otim" command */
9082 if (StrStr(message, "analyze")) {
9083 cps->analysisSupport = FALSE;
9084 cps->analyzing = FALSE;
9085 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9086 EditGameEvent(); // [HGM] try to preserve loaded game
9087 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9088 DisplayError(buf2, 0);
9091 if (StrStr(message, "(no matching move)st")) {
9092 /* Special kludge for GNU Chess 4 only */
9093 cps->stKludge = TRUE;
9094 SendTimeControl(cps, movesPerSession, timeControl,
9095 timeIncrement, appData.searchDepth,
9099 if (StrStr(message, "(no matching move)sd")) {
9100 /* Special kludge for GNU Chess 4 only */
9101 cps->sdKludge = TRUE;
9102 SendTimeControl(cps, movesPerSession, timeControl,
9103 timeIncrement, appData.searchDepth,
9107 if (!StrStr(message, "llegal")) {
9110 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9111 gameMode == IcsIdle) return;
9112 if (forwardMostMove <= backwardMostMove) return;
9113 if (pausing) PauseEvent();
9114 if(appData.forceIllegal) {
9115 // [HGM] illegal: machine refused move; force position after move into it
9116 SendToProgram("force\n", cps);
9117 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9118 // we have a real problem now, as SendBoard will use the a2a3 kludge
9119 // when black is to move, while there might be nothing on a2 or black
9120 // might already have the move. So send the board as if white has the move.
9121 // But first we must change the stm of the engine, as it refused the last move
9122 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9123 if(WhiteOnMove(forwardMostMove)) {
9124 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9125 SendBoard(cps, forwardMostMove); // kludgeless board
9127 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9128 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9129 SendBoard(cps, forwardMostMove+1); // kludgeless board
9131 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9132 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9133 gameMode == TwoMachinesPlay)
9134 SendToProgram("go\n", cps);
9137 if (gameMode == PlayFromGameFile) {
9138 /* Stop reading this game file */
9139 gameMode = EditGame;
9142 /* [HGM] illegal-move claim should forfeit game when Xboard */
9143 /* only passes fully legal moves */
9144 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9145 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9146 "False illegal-move claim", GE_XBOARD );
9147 return; // do not take back move we tested as valid
9149 currentMove = forwardMostMove-1;
9150 DisplayMove(currentMove-1); /* before DisplayMoveError */
9151 SwitchClocks(forwardMostMove-1); // [HGM] race
9152 DisplayBothClocks();
9153 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9154 parseList[currentMove], _(cps->which));
9155 DisplayMoveError(buf1);
9156 DrawPosition(FALSE, boards[currentMove]);
9158 SetUserThinkingEnables();
9161 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9162 /* Program has a broken "time" command that
9163 outputs a string not ending in newline.
9167 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9168 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9169 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9173 * If chess program startup fails, exit with an error message.
9174 * Attempts to recover here are futile. [HGM] Well, we try anyway
9176 if ((StrStr(message, "unknown host") != NULL)
9177 || (StrStr(message, "No remote directory") != NULL)
9178 || (StrStr(message, "not found") != NULL)
9179 || (StrStr(message, "No such file") != NULL)
9180 || (StrStr(message, "can't alloc") != NULL)
9181 || (StrStr(message, "Permission denied") != NULL)) {
9183 cps->maybeThinking = FALSE;
9184 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9185 _(cps->which), cps->program, cps->host, message);
9186 RemoveInputSource(cps->isr);
9187 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9188 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9189 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9195 * Look for hint output
9197 if (sscanf(message, "Hint: %s", buf1) == 1) {
9198 if (cps == &first && hintRequested) {
9199 hintRequested = FALSE;
9200 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9201 &fromX, &fromY, &toX, &toY, &promoChar)) {
9202 (void) CoordsToAlgebraic(boards[forwardMostMove],
9203 PosFlags(forwardMostMove),
9204 fromY, fromX, toY, toX, promoChar, buf1);
9205 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9206 DisplayInformation(buf2);
9208 /* Hint move could not be parsed!? */
9209 snprintf(buf2, sizeof(buf2),
9210 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9211 buf1, _(cps->which));
9212 DisplayError(buf2, 0);
9215 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9221 * Ignore other messages if game is not in progress
9223 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9224 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9227 * look for win, lose, draw, or draw offer
9229 if (strncmp(message, "1-0", 3) == 0) {
9230 char *p, *q, *r = "";
9231 p = strchr(message, '{');
9239 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9241 } else if (strncmp(message, "0-1", 3) == 0) {
9242 char *p, *q, *r = "";
9243 p = strchr(message, '{');
9251 /* Kludge for Arasan 4.1 bug */
9252 if (strcmp(r, "Black resigns") == 0) {
9253 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9256 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9258 } else if (strncmp(message, "1/2", 3) == 0) {
9259 char *p, *q, *r = "";
9260 p = strchr(message, '{');
9269 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9272 } else if (strncmp(message, "White resign", 12) == 0) {
9273 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9275 } else if (strncmp(message, "Black resign", 12) == 0) {
9276 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9278 } else if (strncmp(message, "White matches", 13) == 0 ||
9279 strncmp(message, "Black matches", 13) == 0 ) {
9280 /* [HGM] ignore GNUShogi noises */
9282 } else if (strncmp(message, "White", 5) == 0 &&
9283 message[5] != '(' &&
9284 StrStr(message, "Black") == NULL) {
9285 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9287 } else if (strncmp(message, "Black", 5) == 0 &&
9288 message[5] != '(') {
9289 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9291 } else if (strcmp(message, "resign") == 0 ||
9292 strcmp(message, "computer resigns") == 0) {
9294 case MachinePlaysBlack:
9295 case IcsPlayingBlack:
9296 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9298 case MachinePlaysWhite:
9299 case IcsPlayingWhite:
9300 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9302 case TwoMachinesPlay:
9303 if (cps->twoMachinesColor[0] == 'w')
9304 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9306 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9313 } else if (strncmp(message, "opponent mates", 14) == 0) {
9315 case MachinePlaysBlack:
9316 case IcsPlayingBlack:
9317 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9319 case MachinePlaysWhite:
9320 case IcsPlayingWhite:
9321 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9323 case TwoMachinesPlay:
9324 if (cps->twoMachinesColor[0] == 'w')
9325 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9327 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9334 } else if (strncmp(message, "computer mates", 14) == 0) {
9336 case MachinePlaysBlack:
9337 case IcsPlayingBlack:
9338 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9340 case MachinePlaysWhite:
9341 case IcsPlayingWhite:
9342 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9344 case TwoMachinesPlay:
9345 if (cps->twoMachinesColor[0] == 'w')
9346 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9348 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9355 } else if (strncmp(message, "checkmate", 9) == 0) {
9356 if (WhiteOnMove(forwardMostMove)) {
9357 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9359 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9362 } else if (strstr(message, "Draw") != NULL ||
9363 strstr(message, "game is a draw") != NULL) {
9364 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9366 } else if (strstr(message, "offer") != NULL &&
9367 strstr(message, "draw") != NULL) {
9369 if (appData.zippyPlay && first.initDone) {
9370 /* Relay offer to ICS */
9371 SendToICS(ics_prefix);
9372 SendToICS("draw\n");
9375 cps->offeredDraw = 2; /* valid until this engine moves twice */
9376 if (gameMode == TwoMachinesPlay) {
9377 if (cps->other->offeredDraw) {
9378 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9379 /* [HGM] in two-machine mode we delay relaying draw offer */
9380 /* until after we also have move, to see if it is really claim */
9382 } else if (gameMode == MachinePlaysWhite ||
9383 gameMode == MachinePlaysBlack) {
9384 if (userOfferedDraw) {
9385 DisplayInformation(_("Machine accepts your draw offer"));
9386 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9388 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9395 * Look for thinking output
9397 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9398 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9400 int plylev, mvleft, mvtot, curscore, time;
9401 char mvname[MOVE_LEN];
9405 int prefixHint = FALSE;
9406 mvname[0] = NULLCHAR;
9409 case MachinePlaysBlack:
9410 case IcsPlayingBlack:
9411 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9413 case MachinePlaysWhite:
9414 case IcsPlayingWhite:
9415 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9420 case IcsObserving: /* [DM] icsEngineAnalyze */
9421 if (!appData.icsEngineAnalyze) ignore = TRUE;
9423 case TwoMachinesPlay:
9424 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9434 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9436 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9437 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9439 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9440 nodes += u64Const(0x100000000);
9442 if (plyext != ' ' && plyext != '\t') {
9446 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9447 if( cps->scoreIsAbsolute &&
9448 ( gameMode == MachinePlaysBlack ||
9449 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9450 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9451 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9452 !WhiteOnMove(currentMove)
9455 curscore = -curscore;
9458 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9460 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9463 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9464 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9465 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9466 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9467 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9468 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9472 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9473 DisplayError(_("failed writing PV"), 0);
9476 tempStats.depth = plylev;
9477 tempStats.nodes = nodes;
9478 tempStats.time = time;
9479 tempStats.score = curscore;
9480 tempStats.got_only_move = 0;
9482 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9485 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9486 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9487 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9488 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9489 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9490 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9491 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9492 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9495 /* Buffer overflow protection */
9496 if (pv[0] != NULLCHAR) {
9497 if (strlen(pv) >= sizeof(tempStats.movelist)
9498 && appData.debugMode) {
9500 "PV is too long; using the first %u bytes.\n",
9501 (unsigned) sizeof(tempStats.movelist) - 1);
9504 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9506 sprintf(tempStats.movelist, " no PV\n");
9509 if (tempStats.seen_stat) {
9510 tempStats.ok_to_send = 1;
9513 if (strchr(tempStats.movelist, '(') != NULL) {
9514 tempStats.line_is_book = 1;
9515 tempStats.nr_moves = 0;
9516 tempStats.moves_left = 0;
9518 tempStats.line_is_book = 0;
9521 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9522 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9524 SendProgramStatsToFrontend( cps, &tempStats );
9527 [AS] Protect the thinkOutput buffer from overflow... this
9528 is only useful if buf1 hasn't overflowed first!
9530 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9532 (gameMode == TwoMachinesPlay ?
9533 ToUpper(cps->twoMachinesColor[0]) : ' '),
9534 ((double) curscore) / 100.0,
9535 prefixHint ? lastHint : "",
9536 prefixHint ? " " : "" );
9538 if( buf1[0] != NULLCHAR ) {
9539 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9541 if( strlen(pv) > max_len ) {
9542 if( appData.debugMode) {
9543 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9545 pv[max_len+1] = '\0';
9548 strcat( thinkOutput, pv);
9551 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9552 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9553 DisplayMove(currentMove - 1);
9557 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9558 /* crafty (9.25+) says "(only move) <move>"
9559 * if there is only 1 legal move
9561 sscanf(p, "(only move) %s", buf1);
9562 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9563 sprintf(programStats.movelist, "%s (only move)", buf1);
9564 programStats.depth = 1;
9565 programStats.nr_moves = 1;
9566 programStats.moves_left = 1;
9567 programStats.nodes = 1;
9568 programStats.time = 1;
9569 programStats.got_only_move = 1;
9571 /* Not really, but we also use this member to
9572 mean "line isn't going to change" (Crafty
9573 isn't searching, so stats won't change) */
9574 programStats.line_is_book = 1;
9576 SendProgramStatsToFrontend( cps, &programStats );
9578 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9579 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9580 DisplayMove(currentMove - 1);
9583 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9584 &time, &nodes, &plylev, &mvleft,
9585 &mvtot, mvname) >= 5) {
9586 /* The stat01: line is from Crafty (9.29+) in response
9587 to the "." command */
9588 programStats.seen_stat = 1;
9589 cps->maybeThinking = TRUE;
9591 if (programStats.got_only_move || !appData.periodicUpdates)
9594 programStats.depth = plylev;
9595 programStats.time = time;
9596 programStats.nodes = nodes;
9597 programStats.moves_left = mvleft;
9598 programStats.nr_moves = mvtot;
9599 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9600 programStats.ok_to_send = 1;
9601 programStats.movelist[0] = '\0';
9603 SendProgramStatsToFrontend( cps, &programStats );
9607 } else if (strncmp(message,"++",2) == 0) {
9608 /* Crafty 9.29+ outputs this */
9609 programStats.got_fail = 2;
9612 } else if (strncmp(message,"--",2) == 0) {
9613 /* Crafty 9.29+ outputs this */
9614 programStats.got_fail = 1;
9617 } else if (thinkOutput[0] != NULLCHAR &&
9618 strncmp(message, " ", 4) == 0) {
9619 unsigned message_len;
9622 while (*p && *p == ' ') p++;
9624 message_len = strlen( p );
9626 /* [AS] Avoid buffer overflow */
9627 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9628 strcat(thinkOutput, " ");
9629 strcat(thinkOutput, p);
9632 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9633 strcat(programStats.movelist, " ");
9634 strcat(programStats.movelist, p);
9637 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9638 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9639 DisplayMove(currentMove - 1);
9647 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9648 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9650 ChessProgramStats cpstats;
9652 if (plyext != ' ' && plyext != '\t') {
9656 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9657 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9658 curscore = -curscore;
9661 cpstats.depth = plylev;
9662 cpstats.nodes = nodes;
9663 cpstats.time = time;
9664 cpstats.score = curscore;
9665 cpstats.got_only_move = 0;
9666 cpstats.movelist[0] = '\0';
9668 if (buf1[0] != NULLCHAR) {
9669 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9672 cpstats.ok_to_send = 0;
9673 cpstats.line_is_book = 0;
9674 cpstats.nr_moves = 0;
9675 cpstats.moves_left = 0;
9677 SendProgramStatsToFrontend( cps, &cpstats );
9684 /* Parse a game score from the character string "game", and
9685 record it as the history of the current game. The game
9686 score is NOT assumed to start from the standard position.
9687 The display is not updated in any way.
9690 ParseGameHistory (char *game)
9693 int fromX, fromY, toX, toY, boardIndex;
9698 if (appData.debugMode)
9699 fprintf(debugFP, "Parsing game history: %s\n", game);
9701 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9702 gameInfo.site = StrSave(appData.icsHost);
9703 gameInfo.date = PGNDate();
9704 gameInfo.round = StrSave("-");
9706 /* Parse out names of players */
9707 while (*game == ' ') game++;
9709 while (*game != ' ') *p++ = *game++;
9711 gameInfo.white = StrSave(buf);
9712 while (*game == ' ') game++;
9714 while (*game != ' ' && *game != '\n') *p++ = *game++;
9716 gameInfo.black = StrSave(buf);
9719 boardIndex = blackPlaysFirst ? 1 : 0;
9722 yyboardindex = boardIndex;
9723 moveType = (ChessMove) Myylex();
9725 case IllegalMove: /* maybe suicide chess, etc. */
9726 if (appData.debugMode) {
9727 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9728 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9729 setbuf(debugFP, NULL);
9731 case WhitePromotion:
9732 case BlackPromotion:
9733 case WhiteNonPromotion:
9734 case BlackNonPromotion:
9737 case WhiteCapturesEnPassant:
9738 case BlackCapturesEnPassant:
9739 case WhiteKingSideCastle:
9740 case WhiteQueenSideCastle:
9741 case BlackKingSideCastle:
9742 case BlackQueenSideCastle:
9743 case WhiteKingSideCastleWild:
9744 case WhiteQueenSideCastleWild:
9745 case BlackKingSideCastleWild:
9746 case BlackQueenSideCastleWild:
9748 case WhiteHSideCastleFR:
9749 case WhiteASideCastleFR:
9750 case BlackHSideCastleFR:
9751 case BlackASideCastleFR:
9753 fromX = currentMoveString[0] - AAA;
9754 fromY = currentMoveString[1] - ONE;
9755 toX = currentMoveString[2] - AAA;
9756 toY = currentMoveString[3] - ONE;
9757 promoChar = currentMoveString[4];
9761 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9762 fromX = moveType == WhiteDrop ?
9763 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9764 (int) CharToPiece(ToLower(currentMoveString[0]));
9766 toX = currentMoveString[2] - AAA;
9767 toY = currentMoveString[3] - ONE;
9768 promoChar = NULLCHAR;
9772 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9773 if (appData.debugMode) {
9774 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9775 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9776 setbuf(debugFP, NULL);
9778 DisplayError(buf, 0);
9780 case ImpossibleMove:
9782 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9783 if (appData.debugMode) {
9784 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9785 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9786 setbuf(debugFP, NULL);
9788 DisplayError(buf, 0);
9791 if (boardIndex < backwardMostMove) {
9792 /* Oops, gap. How did that happen? */
9793 DisplayError(_("Gap in move list"), 0);
9796 backwardMostMove = blackPlaysFirst ? 1 : 0;
9797 if (boardIndex > forwardMostMove) {
9798 forwardMostMove = boardIndex;
9802 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9803 strcat(parseList[boardIndex-1], " ");
9804 strcat(parseList[boardIndex-1], yy_text);
9816 case GameUnfinished:
9817 if (gameMode == IcsExamining) {
9818 if (boardIndex < backwardMostMove) {
9819 /* Oops, gap. How did that happen? */
9822 backwardMostMove = blackPlaysFirst ? 1 : 0;
9825 gameInfo.result = moveType;
9826 p = strchr(yy_text, '{');
9827 if (p == NULL) p = strchr(yy_text, '(');
9830 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9832 q = strchr(p, *p == '{' ? '}' : ')');
9833 if (q != NULL) *q = NULLCHAR;
9836 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9837 gameInfo.resultDetails = StrSave(p);
9840 if (boardIndex >= forwardMostMove &&
9841 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9842 backwardMostMove = blackPlaysFirst ? 1 : 0;
9845 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9846 fromY, fromX, toY, toX, promoChar,
9847 parseList[boardIndex]);
9848 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9849 /* currentMoveString is set as a side-effect of yylex */
9850 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9851 strcat(moveList[boardIndex], "\n");
9853 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9854 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9860 if(!IS_SHOGI(gameInfo.variant))
9861 strcat(parseList[boardIndex - 1], "+");
9865 strcat(parseList[boardIndex - 1], "#");
9872 /* Apply a move to the given board */
9874 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9876 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9877 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9879 /* [HGM] compute & store e.p. status and castling rights for new position */
9880 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9882 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9883 oldEP = (signed char)board[EP_STATUS];
9884 board[EP_STATUS] = EP_NONE;
9885 board[EP_FILE] = board[EP_RANK] = 100;
9887 if (fromY == DROP_RANK) {
9889 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9890 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9893 piece = board[toY][toX] = (ChessSquare) fromX;
9895 // ChessSquare victim;
9898 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9899 // victim = board[killY][killX],
9900 board[killY][killX] = EmptySquare,
9901 board[EP_STATUS] = EP_CAPTURE;
9903 if( board[toY][toX] != EmptySquare ) {
9904 board[EP_STATUS] = EP_CAPTURE;
9905 if( (fromX != toX || fromY != toY) && // not igui!
9906 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9907 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9908 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9912 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9913 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9914 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9916 if( board[fromY][fromX] == WhitePawn ) {
9917 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9918 board[EP_STATUS] = EP_PAWN_MOVE;
9920 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9921 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9922 gameInfo.variant != VariantBerolina || toX < fromX)
9923 board[EP_STATUS] = toX | berolina;
9924 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9925 gameInfo.variant != VariantBerolina || toX > fromX)
9926 board[EP_STATUS] = toX;
9929 if( board[fromY][fromX] == BlackPawn ) {
9930 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9931 board[EP_STATUS] = EP_PAWN_MOVE;
9932 if( toY-fromY== -2) {
9933 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9934 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9935 gameInfo.variant != VariantBerolina || toX < fromX)
9936 board[EP_STATUS] = toX | berolina;
9937 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9938 gameInfo.variant != VariantBerolina || toX > fromX)
9939 board[EP_STATUS] = toX;
9943 for(i=0; i<nrCastlingRights; i++) {
9944 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9945 board[CASTLING][i] == toX && castlingRank[i] == toY
9946 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9949 if(gameInfo.variant == VariantSChess) { // update virginity
9950 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9951 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9952 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9953 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9956 if (fromX == toX && fromY == toY) return;
9958 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9959 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9960 if(gameInfo.variant == VariantKnightmate)
9961 king += (int) WhiteUnicorn - (int) WhiteKing;
9963 /* Code added by Tord: */
9964 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9965 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9966 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9967 board[fromY][fromX] = EmptySquare;
9968 board[toY][toX] = EmptySquare;
9969 if((toX > fromX) != (piece == WhiteRook)) {
9970 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9972 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9974 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9975 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9976 board[fromY][fromX] = EmptySquare;
9977 board[toY][toX] = EmptySquare;
9978 if((toX > fromX) != (piece == BlackRook)) {
9979 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9981 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9983 /* End of code added by Tord */
9985 } else if (board[fromY][fromX] == king
9986 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9987 && toY == fromY && toX > fromX+1) {
9988 board[fromY][fromX] = EmptySquare;
9989 board[toY][toX] = king;
9990 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9991 board[fromY][BOARD_RGHT-1] = EmptySquare;
9992 } else if (board[fromY][fromX] == king
9993 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9994 && toY == fromY && toX < fromX-1) {
9995 board[fromY][fromX] = EmptySquare;
9996 board[toY][toX] = king;
9997 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9998 board[fromY][BOARD_LEFT] = EmptySquare;
9999 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10000 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10001 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10003 /* white pawn promotion */
10004 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10005 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10006 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10007 board[fromY][fromX] = EmptySquare;
10008 } else if ((fromY >= BOARD_HEIGHT>>1)
10009 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10011 && gameInfo.variant != VariantXiangqi
10012 && gameInfo.variant != VariantBerolina
10013 && (board[fromY][fromX] == WhitePawn)
10014 && (board[toY][toX] == EmptySquare)) {
10015 board[fromY][fromX] = EmptySquare;
10016 board[toY][toX] = WhitePawn;
10017 captured = board[toY - 1][toX];
10018 board[toY - 1][toX] = EmptySquare;
10019 } else if ((fromY == BOARD_HEIGHT-4)
10021 && gameInfo.variant == VariantBerolina
10022 && (board[fromY][fromX] == WhitePawn)
10023 && (board[toY][toX] == EmptySquare)) {
10024 board[fromY][fromX] = EmptySquare;
10025 board[toY][toX] = WhitePawn;
10026 if(oldEP & EP_BEROLIN_A) {
10027 captured = board[fromY][fromX-1];
10028 board[fromY][fromX-1] = EmptySquare;
10029 }else{ captured = board[fromY][fromX+1];
10030 board[fromY][fromX+1] = EmptySquare;
10032 } else if (board[fromY][fromX] == king
10033 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10034 && toY == fromY && toX > fromX+1) {
10035 board[fromY][fromX] = EmptySquare;
10036 board[toY][toX] = king;
10037 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10038 board[fromY][BOARD_RGHT-1] = EmptySquare;
10039 } else if (board[fromY][fromX] == king
10040 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10041 && toY == fromY && toX < fromX-1) {
10042 board[fromY][fromX] = EmptySquare;
10043 board[toY][toX] = king;
10044 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10045 board[fromY][BOARD_LEFT] = EmptySquare;
10046 } else if (fromY == 7 && fromX == 3
10047 && board[fromY][fromX] == BlackKing
10048 && toY == 7 && toX == 5) {
10049 board[fromY][fromX] = EmptySquare;
10050 board[toY][toX] = BlackKing;
10051 board[fromY][7] = EmptySquare;
10052 board[toY][4] = BlackRook;
10053 } else if (fromY == 7 && fromX == 3
10054 && board[fromY][fromX] == BlackKing
10055 && toY == 7 && toX == 1) {
10056 board[fromY][fromX] = EmptySquare;
10057 board[toY][toX] = BlackKing;
10058 board[fromY][0] = EmptySquare;
10059 board[toY][2] = BlackRook;
10060 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10061 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10062 && toY < promoRank && promoChar
10064 /* black pawn promotion */
10065 board[toY][toX] = CharToPiece(ToLower(promoChar));
10066 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10067 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10068 board[fromY][fromX] = EmptySquare;
10069 } else if ((fromY < BOARD_HEIGHT>>1)
10070 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10072 && gameInfo.variant != VariantXiangqi
10073 && gameInfo.variant != VariantBerolina
10074 && (board[fromY][fromX] == BlackPawn)
10075 && (board[toY][toX] == EmptySquare)) {
10076 board[fromY][fromX] = EmptySquare;
10077 board[toY][toX] = BlackPawn;
10078 captured = board[toY + 1][toX];
10079 board[toY + 1][toX] = EmptySquare;
10080 } else if ((fromY == 3)
10082 && gameInfo.variant == VariantBerolina
10083 && (board[fromY][fromX] == BlackPawn)
10084 && (board[toY][toX] == EmptySquare)) {
10085 board[fromY][fromX] = EmptySquare;
10086 board[toY][toX] = BlackPawn;
10087 if(oldEP & EP_BEROLIN_A) {
10088 captured = board[fromY][fromX-1];
10089 board[fromY][fromX-1] = EmptySquare;
10090 }else{ captured = board[fromY][fromX+1];
10091 board[fromY][fromX+1] = EmptySquare;
10094 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10095 board[fromY][fromX] = EmptySquare;
10096 board[toY][toX] = piece;
10100 if (gameInfo.holdingsWidth != 0) {
10102 /* !!A lot more code needs to be written to support holdings */
10103 /* [HGM] OK, so I have written it. Holdings are stored in the */
10104 /* penultimate board files, so they are automaticlly stored */
10105 /* in the game history. */
10106 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10107 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10108 /* Delete from holdings, by decreasing count */
10109 /* and erasing image if necessary */
10110 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10111 if(p < (int) BlackPawn) { /* white drop */
10112 p -= (int)WhitePawn;
10113 p = PieceToNumber((ChessSquare)p);
10114 if(p >= gameInfo.holdingsSize) p = 0;
10115 if(--board[p][BOARD_WIDTH-2] <= 0)
10116 board[p][BOARD_WIDTH-1] = EmptySquare;
10117 if((int)board[p][BOARD_WIDTH-2] < 0)
10118 board[p][BOARD_WIDTH-2] = 0;
10119 } else { /* black drop */
10120 p -= (int)BlackPawn;
10121 p = PieceToNumber((ChessSquare)p);
10122 if(p >= gameInfo.holdingsSize) p = 0;
10123 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10124 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10125 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10126 board[BOARD_HEIGHT-1-p][1] = 0;
10129 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10130 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10131 /* [HGM] holdings: Add to holdings, if holdings exist */
10132 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10133 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10134 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10136 p = (int) captured;
10137 if (p >= (int) BlackPawn) {
10138 p -= (int)BlackPawn;
10139 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10140 /* in Shogi restore piece to its original first */
10141 captured = (ChessSquare) (DEMOTED captured);
10144 p = PieceToNumber((ChessSquare)p);
10145 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10146 board[p][BOARD_WIDTH-2]++;
10147 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10149 p -= (int)WhitePawn;
10150 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10151 captured = (ChessSquare) (DEMOTED captured);
10154 p = PieceToNumber((ChessSquare)p);
10155 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10156 board[BOARD_HEIGHT-1-p][1]++;
10157 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10160 } else if (gameInfo.variant == VariantAtomic) {
10161 if (captured != EmptySquare) {
10163 for (y = toY-1; y <= toY+1; y++) {
10164 for (x = toX-1; x <= toX+1; x++) {
10165 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10166 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10167 board[y][x] = EmptySquare;
10171 board[toY][toX] = EmptySquare;
10175 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10176 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10178 if(promoChar == '+') {
10179 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10180 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10181 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10182 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10183 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10184 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10185 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10186 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10187 board[toY][toX] = newPiece;
10189 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10190 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10191 // [HGM] superchess: take promotion piece out of holdings
10192 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10193 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10194 if(!--board[k][BOARD_WIDTH-2])
10195 board[k][BOARD_WIDTH-1] = EmptySquare;
10197 if(!--board[BOARD_HEIGHT-1-k][1])
10198 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10203 /* Updates forwardMostMove */
10205 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10207 int x = toX, y = toY;
10208 char *s = parseList[forwardMostMove];
10209 ChessSquare p = boards[forwardMostMove][toY][toX];
10210 // forwardMostMove++; // [HGM] bare: moved downstream
10212 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10213 (void) CoordsToAlgebraic(boards[forwardMostMove],
10214 PosFlags(forwardMostMove),
10215 fromY, fromX, y, x, promoChar,
10217 if(killX >= 0 && killY >= 0)
10218 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10220 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10221 int timeLeft; static int lastLoadFlag=0; int king, piece;
10222 piece = boards[forwardMostMove][fromY][fromX];
10223 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10224 if(gameInfo.variant == VariantKnightmate)
10225 king += (int) WhiteUnicorn - (int) WhiteKing;
10226 if(forwardMostMove == 0) {
10227 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10228 fprintf(serverMoves, "%s;", UserName());
10229 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10230 fprintf(serverMoves, "%s;", second.tidy);
10231 fprintf(serverMoves, "%s;", first.tidy);
10232 if(gameMode == MachinePlaysWhite)
10233 fprintf(serverMoves, "%s;", UserName());
10234 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10235 fprintf(serverMoves, "%s;", second.tidy);
10236 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10237 lastLoadFlag = loadFlag;
10239 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10240 // print castling suffix
10241 if( toY == fromY && piece == king ) {
10243 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10245 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10248 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10249 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10250 boards[forwardMostMove][toY][toX] == EmptySquare
10251 && fromX != toX && fromY != toY)
10252 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10253 // promotion suffix
10254 if(promoChar != NULLCHAR) {
10255 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10256 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10257 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10258 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10261 char buf[MOVE_LEN*2], *p; int len;
10262 fprintf(serverMoves, "/%d/%d",
10263 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10264 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10265 else timeLeft = blackTimeRemaining/1000;
10266 fprintf(serverMoves, "/%d", timeLeft);
10267 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10268 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10269 if(p = strchr(buf, '=')) *p = NULLCHAR;
10270 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10271 fprintf(serverMoves, "/%s", buf);
10273 fflush(serverMoves);
10276 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10277 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10280 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10281 if (commentList[forwardMostMove+1] != NULL) {
10282 free(commentList[forwardMostMove+1]);
10283 commentList[forwardMostMove+1] = NULL;
10285 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10286 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10287 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10288 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10289 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10290 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10291 adjustedClock = FALSE;
10292 gameInfo.result = GameUnfinished;
10293 if (gameInfo.resultDetails != NULL) {
10294 free(gameInfo.resultDetails);
10295 gameInfo.resultDetails = NULL;
10297 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10298 moveList[forwardMostMove - 1]);
10299 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10305 if(!IS_SHOGI(gameInfo.variant))
10306 strcat(parseList[forwardMostMove - 1], "+");
10310 strcat(parseList[forwardMostMove - 1], "#");
10315 /* Updates currentMove if not pausing */
10317 ShowMove (int fromX, int fromY, int toX, int toY)
10319 int instant = (gameMode == PlayFromGameFile) ?
10320 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10321 if(appData.noGUI) return;
10322 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10324 if (forwardMostMove == currentMove + 1) {
10325 AnimateMove(boards[forwardMostMove - 1],
10326 fromX, fromY, toX, toY);
10329 currentMove = forwardMostMove;
10332 killX = killY = -1; // [HGM] lion: used up
10334 if (instant) return;
10336 DisplayMove(currentMove - 1);
10337 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10338 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10339 SetHighlights(fromX, fromY, toX, toY);
10342 DrawPosition(FALSE, boards[currentMove]);
10343 DisplayBothClocks();
10344 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10348 SendEgtPath (ChessProgramState *cps)
10349 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10350 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10352 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10355 char c, *q = name+1, *r, *s;
10357 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10358 while(*p && *p != ',') *q++ = *p++;
10359 *q++ = ':'; *q = 0;
10360 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10361 strcmp(name, ",nalimov:") == 0 ) {
10362 // take nalimov path from the menu-changeable option first, if it is defined
10363 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10364 SendToProgram(buf,cps); // send egtbpath command for nalimov
10366 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10367 (s = StrStr(appData.egtFormats, name)) != NULL) {
10368 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10369 s = r = StrStr(s, ":") + 1; // beginning of path info
10370 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10371 c = *r; *r = 0; // temporarily null-terminate path info
10372 *--q = 0; // strip of trailig ':' from name
10373 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10375 SendToProgram(buf,cps); // send egtbpath command for this format
10377 if(*p == ',') p++; // read away comma to position for next format name
10382 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10384 int width = 8, height = 8, holdings = 0; // most common sizes
10385 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10386 // correct the deviations default for each variant
10387 if( v == VariantXiangqi ) width = 9, height = 10;
10388 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10389 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10390 if( v == VariantCapablanca || v == VariantCapaRandom ||
10391 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10393 if( v == VariantCourier ) width = 12;
10394 if( v == VariantSuper ) holdings = 8;
10395 if( v == VariantGreat ) width = 10, holdings = 8;
10396 if( v == VariantSChess ) holdings = 7;
10397 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10398 if( v == VariantChuChess) width = 10, height = 10;
10399 if( v == VariantChu ) width = 12, height = 12;
10400 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10401 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10402 holdingsSize >= 0 && holdingsSize != holdings;
10405 char variantError[MSG_SIZ];
10408 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10409 { // returns error message (recognizable by upper-case) if engine does not support the variant
10410 char *p, *variant = VariantName(v);
10411 static char b[MSG_SIZ];
10412 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10413 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10414 holdingsSize, variant); // cook up sized variant name
10415 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10416 if(StrStr(list, b) == NULL) {
10417 // specific sized variant not known, check if general sizing allowed
10418 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10419 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10420 boardWidth, boardHeight, holdingsSize, engine);
10423 /* [HGM] here we really should compare with the maximum supported board size */
10425 } else snprintf(b, MSG_SIZ,"%s", variant);
10426 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10427 p = StrStr(list, b);
10428 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10430 // occurs not at all in list, or only as sub-string
10431 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10432 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10433 int l = strlen(variantError);
10435 while(p != list && p[-1] != ',') p--;
10436 q = strchr(p, ',');
10437 if(q) *q = NULLCHAR;
10438 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10447 InitChessProgram (ChessProgramState *cps, int setup)
10448 /* setup needed to setup FRC opening position */
10450 char buf[MSG_SIZ], *b;
10451 if (appData.noChessProgram) return;
10452 hintRequested = FALSE;
10453 bookRequested = FALSE;
10455 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10456 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10457 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10458 if(cps->memSize) { /* [HGM] memory */
10459 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10460 SendToProgram(buf, cps);
10462 SendEgtPath(cps); /* [HGM] EGT */
10463 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10464 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10465 SendToProgram(buf, cps);
10468 setboardSpoiledMachineBlack = FALSE;
10469 SendToProgram(cps->initString, cps);
10470 if (gameInfo.variant != VariantNormal &&
10471 gameInfo.variant != VariantLoadable
10472 /* [HGM] also send variant if board size non-standard */
10473 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10475 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10476 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10478 DisplayFatalError(variantError, 0, 1);
10482 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10483 SendToProgram(buf, cps);
10485 currentlyInitializedVariant = gameInfo.variant;
10487 /* [HGM] send opening position in FRC to first engine */
10489 SendToProgram("force\n", cps);
10491 /* engine is now in force mode! Set flag to wake it up after first move. */
10492 setboardSpoiledMachineBlack = 1;
10495 if (cps->sendICS) {
10496 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10497 SendToProgram(buf, cps);
10499 cps->maybeThinking = FALSE;
10500 cps->offeredDraw = 0;
10501 if (!appData.icsActive) {
10502 SendTimeControl(cps, movesPerSession, timeControl,
10503 timeIncrement, appData.searchDepth,
10506 if (appData.showThinking
10507 // [HGM] thinking: four options require thinking output to be sent
10508 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10510 SendToProgram("post\n", cps);
10512 SendToProgram("hard\n", cps);
10513 if (!appData.ponderNextMove) {
10514 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10515 it without being sure what state we are in first. "hard"
10516 is not a toggle, so that one is OK.
10518 SendToProgram("easy\n", cps);
10520 if (cps->usePing) {
10521 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10522 SendToProgram(buf, cps);
10524 cps->initDone = TRUE;
10525 ClearEngineOutputPane(cps == &second);
10530 ResendOptions (ChessProgramState *cps)
10531 { // send the stored value of the options
10534 Option *opt = cps->option;
10535 for(i=0; i<cps->nrOptions; i++, opt++) {
10536 switch(opt->type) {
10540 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10543 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10546 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10552 SendToProgram(buf, cps);
10557 StartChessProgram (ChessProgramState *cps)
10562 if (appData.noChessProgram) return;
10563 cps->initDone = FALSE;
10565 if (strcmp(cps->host, "localhost") == 0) {
10566 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10567 } else if (*appData.remoteShell == NULLCHAR) {
10568 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10570 if (*appData.remoteUser == NULLCHAR) {
10571 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10574 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10575 cps->host, appData.remoteUser, cps->program);
10577 err = StartChildProcess(buf, "", &cps->pr);
10581 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10582 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10583 if(cps != &first) return;
10584 appData.noChessProgram = TRUE;
10587 // DisplayFatalError(buf, err, 1);
10588 // cps->pr = NoProc;
10589 // cps->isr = NULL;
10593 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10594 if (cps->protocolVersion > 1) {
10595 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10596 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10597 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10598 cps->comboCnt = 0; // and values of combo boxes
10600 SendToProgram(buf, cps);
10601 if(cps->reload) ResendOptions(cps);
10603 SendToProgram("xboard\n", cps);
10608 TwoMachinesEventIfReady P((void))
10610 static int curMess = 0;
10611 if (first.lastPing != first.lastPong) {
10612 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10613 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10616 if (second.lastPing != second.lastPong) {
10617 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10618 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10621 DisplayMessage("", ""); curMess = 0;
10622 TwoMachinesEvent();
10626 MakeName (char *template)
10630 static char buf[MSG_SIZ];
10634 clock = time((time_t *)NULL);
10635 tm = localtime(&clock);
10637 while(*p++ = *template++) if(p[-1] == '%') {
10638 switch(*template++) {
10639 case 0: *p = 0; return buf;
10640 case 'Y': i = tm->tm_year+1900; break;
10641 case 'y': i = tm->tm_year-100; break;
10642 case 'M': i = tm->tm_mon+1; break;
10643 case 'd': i = tm->tm_mday; break;
10644 case 'h': i = tm->tm_hour; break;
10645 case 'm': i = tm->tm_min; break;
10646 case 's': i = tm->tm_sec; break;
10649 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10655 CountPlayers (char *p)
10658 while(p = strchr(p, '\n')) p++, n++; // count participants
10663 WriteTourneyFile (char *results, FILE *f)
10664 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10665 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10666 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10667 // create a file with tournament description
10668 fprintf(f, "-participants {%s}\n", appData.participants);
10669 fprintf(f, "-seedBase %d\n", appData.seedBase);
10670 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10671 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10672 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10673 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10674 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10675 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10676 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10677 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10678 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10679 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10680 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10681 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10682 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10683 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10684 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10685 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10686 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10687 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10688 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10689 fprintf(f, "-smpCores %d\n", appData.smpCores);
10691 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10693 fprintf(f, "-mps %d\n", appData.movesPerSession);
10694 fprintf(f, "-tc %s\n", appData.timeControl);
10695 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10697 fprintf(f, "-results \"%s\"\n", results);
10702 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10705 Substitute (char *participants, int expunge)
10707 int i, changed, changes=0, nPlayers=0;
10708 char *p, *q, *r, buf[MSG_SIZ];
10709 if(participants == NULL) return;
10710 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10711 r = p = participants; q = appData.participants;
10712 while(*p && *p == *q) {
10713 if(*p == '\n') r = p+1, nPlayers++;
10716 if(*p) { // difference
10717 while(*p && *p++ != '\n');
10718 while(*q && *q++ != '\n');
10719 changed = nPlayers;
10720 changes = 1 + (strcmp(p, q) != 0);
10722 if(changes == 1) { // a single engine mnemonic was changed
10723 q = r; while(*q) nPlayers += (*q++ == '\n');
10724 p = buf; while(*r && (*p = *r++) != '\n') p++;
10726 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10727 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10728 if(mnemonic[i]) { // The substitute is valid
10730 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10731 flock(fileno(f), LOCK_EX);
10732 ParseArgsFromFile(f);
10733 fseek(f, 0, SEEK_SET);
10734 FREE(appData.participants); appData.participants = participants;
10735 if(expunge) { // erase results of replaced engine
10736 int len = strlen(appData.results), w, b, dummy;
10737 for(i=0; i<len; i++) {
10738 Pairing(i, nPlayers, &w, &b, &dummy);
10739 if((w == changed || b == changed) && appData.results[i] == '*') {
10740 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10745 for(i=0; i<len; i++) {
10746 Pairing(i, nPlayers, &w, &b, &dummy);
10747 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10750 WriteTourneyFile(appData.results, f);
10751 fclose(f); // release lock
10754 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10756 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10757 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10758 free(participants);
10763 CheckPlayers (char *participants)
10766 char buf[MSG_SIZ], *p;
10767 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10768 while(p = strchr(participants, '\n')) {
10770 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10772 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10774 DisplayError(buf, 0);
10778 participants = p + 1;
10784 CreateTourney (char *name)
10787 if(matchMode && strcmp(name, appData.tourneyFile)) {
10788 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10790 if(name[0] == NULLCHAR) {
10791 if(appData.participants[0])
10792 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10795 f = fopen(name, "r");
10796 if(f) { // file exists
10797 ASSIGN(appData.tourneyFile, name);
10798 ParseArgsFromFile(f); // parse it
10800 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10801 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10802 DisplayError(_("Not enough participants"), 0);
10805 if(CheckPlayers(appData.participants)) return 0;
10806 ASSIGN(appData.tourneyFile, name);
10807 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10808 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10811 appData.noChessProgram = FALSE;
10812 appData.clockMode = TRUE;
10818 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10820 char buf[MSG_SIZ], *p, *q;
10821 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10822 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10823 skip = !all && group[0]; // if group requested, we start in skip mode
10824 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10825 p = names; q = buf; header = 0;
10826 while(*p && *p != '\n') *q++ = *p++;
10828 if(*p == '\n') p++;
10829 if(buf[0] == '#') {
10830 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10831 depth++; // we must be entering a new group
10832 if(all) continue; // suppress printing group headers when complete list requested
10834 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10836 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10837 if(engineList[i]) free(engineList[i]);
10838 engineList[i] = strdup(buf);
10839 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10840 if(engineMnemonic[i]) free(engineMnemonic[i]);
10841 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10843 sscanf(q + 8, "%s", buf + strlen(buf));
10846 engineMnemonic[i] = strdup(buf);
10849 engineList[i] = engineMnemonic[i] = NULL;
10853 // following implemented as macro to avoid type limitations
10854 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10857 SwapEngines (int n)
10858 { // swap settings for first engine and other engine (so far only some selected options)
10863 SWAP(chessProgram, p)
10865 SWAP(hasOwnBookUCI, h)
10866 SWAP(protocolVersion, h)
10868 SWAP(scoreIsAbsolute, h)
10873 SWAP(engOptions, p)
10874 SWAP(engInitString, p)
10875 SWAP(computerString, p)
10877 SWAP(fenOverride, p)
10879 SWAP(accumulateTC, h)
10886 GetEngineLine (char *s, int n)
10890 extern char *icsNames;
10891 if(!s || !*s) return 0;
10892 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10893 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10894 if(!mnemonic[i]) return 0;
10895 if(n == 11) return 1; // just testing if there was a match
10896 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10897 if(n == 1) SwapEngines(n);
10898 ParseArgsFromString(buf);
10899 if(n == 1) SwapEngines(n);
10900 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10901 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10902 ParseArgsFromString(buf);
10908 SetPlayer (int player, char *p)
10909 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10911 char buf[MSG_SIZ], *engineName;
10912 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10913 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10914 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10916 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10917 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10918 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10919 ParseArgsFromString(buf);
10920 } else { // no engine with this nickname is installed!
10921 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10922 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10923 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10925 DisplayError(buf, 0);
10932 char *recentEngines;
10935 RecentEngineEvent (int nr)
10938 // SwapEngines(1); // bump first to second
10939 // ReplaceEngine(&second, 1); // and load it there
10940 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10941 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10942 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10943 ReplaceEngine(&first, 0);
10944 FloatToFront(&appData.recentEngineList, command[n]);
10949 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10950 { // determine players from game number
10951 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10953 if(appData.tourneyType == 0) {
10954 roundsPerCycle = (nPlayers - 1) | 1;
10955 pairingsPerRound = nPlayers / 2;
10956 } else if(appData.tourneyType > 0) {
10957 roundsPerCycle = nPlayers - appData.tourneyType;
10958 pairingsPerRound = appData.tourneyType;
10960 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10961 gamesPerCycle = gamesPerRound * roundsPerCycle;
10962 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10963 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10964 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10965 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10966 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10967 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10969 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10970 if(appData.roundSync) *syncInterval = gamesPerRound;
10972 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10974 if(appData.tourneyType == 0) {
10975 if(curPairing == (nPlayers-1)/2 ) {
10976 *whitePlayer = curRound;
10977 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10979 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10980 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10981 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10982 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10984 } else if(appData.tourneyType > 1) {
10985 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10986 *whitePlayer = curRound + appData.tourneyType;
10987 } else if(appData.tourneyType > 0) {
10988 *whitePlayer = curPairing;
10989 *blackPlayer = curRound + appData.tourneyType;
10992 // take care of white/black alternation per round.
10993 // For cycles and games this is already taken care of by default, derived from matchGame!
10994 return curRound & 1;
10998 NextTourneyGame (int nr, int *swapColors)
10999 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11001 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11003 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11004 tf = fopen(appData.tourneyFile, "r");
11005 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11006 ParseArgsFromFile(tf); fclose(tf);
11007 InitTimeControls(); // TC might be altered from tourney file
11009 nPlayers = CountPlayers(appData.participants); // count participants
11010 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11011 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11014 p = q = appData.results;
11015 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11016 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11017 DisplayMessage(_("Waiting for other game(s)"),"");
11018 waitingForGame = TRUE;
11019 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11022 waitingForGame = FALSE;
11025 if(appData.tourneyType < 0) {
11026 if(nr>=0 && !pairingReceived) {
11028 if(pairing.pr == NoProc) {
11029 if(!appData.pairingEngine[0]) {
11030 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11033 StartChessProgram(&pairing); // starts the pairing engine
11035 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11036 SendToProgram(buf, &pairing);
11037 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11038 SendToProgram(buf, &pairing);
11039 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11041 pairingReceived = 0; // ... so we continue here
11043 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11044 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11045 matchGame = 1; roundNr = nr / syncInterval + 1;
11048 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11050 // redefine engines, engine dir, etc.
11051 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11052 if(first.pr == NoProc) {
11053 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11054 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11056 if(second.pr == NoProc) {
11058 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11059 SwapEngines(1); // and make that valid for second engine by swapping
11060 InitEngine(&second, 1);
11062 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11063 UpdateLogos(FALSE); // leave display to ModeHiglight()
11069 { // performs game initialization that does not invoke engines, and then tries to start the game
11070 int res, firstWhite, swapColors = 0;
11071 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11072 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
11074 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11075 if(strcmp(buf, currentDebugFile)) { // name has changed
11076 FILE *f = fopen(buf, "w");
11077 if(f) { // if opening the new file failed, just keep using the old one
11078 ASSIGN(currentDebugFile, buf);
11082 if(appData.serverFileName) {
11083 if(serverFP) fclose(serverFP);
11084 serverFP = fopen(appData.serverFileName, "w");
11085 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11086 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11090 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11091 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11092 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11093 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11094 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11095 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11096 Reset(FALSE, first.pr != NoProc);
11097 res = LoadGameOrPosition(matchGame); // setup game
11098 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11099 if(!res) return; // abort when bad game/pos file
11100 TwoMachinesEvent();
11104 UserAdjudicationEvent (int result)
11106 ChessMove gameResult = GameIsDrawn;
11109 gameResult = WhiteWins;
11111 else if( result < 0 ) {
11112 gameResult = BlackWins;
11115 if( gameMode == TwoMachinesPlay ) {
11116 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11121 // [HGM] save: calculate checksum of game to make games easily identifiable
11123 StringCheckSum (char *s)
11126 if(s==NULL) return 0;
11127 while(*s) i = i*259 + *s++;
11135 for(i=backwardMostMove; i<forwardMostMove; i++) {
11136 sum += pvInfoList[i].depth;
11137 sum += StringCheckSum(parseList[i]);
11138 sum += StringCheckSum(commentList[i]);
11141 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11142 return sum + StringCheckSum(commentList[i]);
11143 } // end of save patch
11146 GameEnds (ChessMove result, char *resultDetails, int whosays)
11148 GameMode nextGameMode;
11150 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11152 if(endingGame) return; /* [HGM] crash: forbid recursion */
11154 if(twoBoards) { // [HGM] dual: switch back to one board
11155 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11156 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11158 if (appData.debugMode) {
11159 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11160 result, resultDetails ? resultDetails : "(null)", whosays);
11163 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11165 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11167 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11168 /* If we are playing on ICS, the server decides when the
11169 game is over, but the engine can offer to draw, claim
11173 if (appData.zippyPlay && first.initDone) {
11174 if (result == GameIsDrawn) {
11175 /* In case draw still needs to be claimed */
11176 SendToICS(ics_prefix);
11177 SendToICS("draw\n");
11178 } else if (StrCaseStr(resultDetails, "resign")) {
11179 SendToICS(ics_prefix);
11180 SendToICS("resign\n");
11184 endingGame = 0; /* [HGM] crash */
11188 /* If we're loading the game from a file, stop */
11189 if (whosays == GE_FILE) {
11190 (void) StopLoadGameTimer();
11194 /* Cancel draw offers */
11195 first.offeredDraw = second.offeredDraw = 0;
11197 /* If this is an ICS game, only ICS can really say it's done;
11198 if not, anyone can. */
11199 isIcsGame = (gameMode == IcsPlayingWhite ||
11200 gameMode == IcsPlayingBlack ||
11201 gameMode == IcsObserving ||
11202 gameMode == IcsExamining);
11204 if (!isIcsGame || whosays == GE_ICS) {
11205 /* OK -- not an ICS game, or ICS said it was done */
11207 if (!isIcsGame && !appData.noChessProgram)
11208 SetUserThinkingEnables();
11210 /* [HGM] if a machine claims the game end we verify this claim */
11211 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11212 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11214 ChessMove trueResult = (ChessMove) -1;
11216 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11217 first.twoMachinesColor[0] :
11218 second.twoMachinesColor[0] ;
11220 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11221 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11222 /* [HGM] verify: engine mate claims accepted if they were flagged */
11223 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11225 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11226 /* [HGM] verify: engine mate claims accepted if they were flagged */
11227 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11229 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11230 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11233 // now verify win claims, but not in drop games, as we don't understand those yet
11234 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11235 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11236 (result == WhiteWins && claimer == 'w' ||
11237 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11238 if (appData.debugMode) {
11239 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11240 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11242 if(result != trueResult) {
11243 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11244 result = claimer == 'w' ? BlackWins : WhiteWins;
11245 resultDetails = buf;
11248 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11249 && (forwardMostMove <= backwardMostMove ||
11250 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11251 (claimer=='b')==(forwardMostMove&1))
11253 /* [HGM] verify: draws that were not flagged are false claims */
11254 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11255 result = claimer == 'w' ? BlackWins : WhiteWins;
11256 resultDetails = buf;
11258 /* (Claiming a loss is accepted no questions asked!) */
11259 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11260 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11261 result = GameUnfinished;
11262 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11264 /* [HGM] bare: don't allow bare King to win */
11265 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11266 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11267 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11268 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11269 && result != GameIsDrawn)
11270 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11271 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11272 int p = (signed char)boards[forwardMostMove][i][j] - color;
11273 if(p >= 0 && p <= (int)WhiteKing) k++;
11275 if (appData.debugMode) {
11276 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11277 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11280 result = GameIsDrawn;
11281 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11282 resultDetails = buf;
11288 if(serverMoves != NULL && !loadFlag) { char c = '=';
11289 if(result==WhiteWins) c = '+';
11290 if(result==BlackWins) c = '-';
11291 if(resultDetails != NULL)
11292 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11294 if (resultDetails != NULL) {
11295 gameInfo.result = result;
11296 gameInfo.resultDetails = StrSave(resultDetails);
11298 /* display last move only if game was not loaded from file */
11299 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11300 DisplayMove(currentMove - 1);
11302 if (forwardMostMove != 0) {
11303 if (gameMode != PlayFromGameFile && gameMode != EditGame
11304 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11306 if (*appData.saveGameFile != NULLCHAR) {
11307 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11308 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11310 SaveGameToFile(appData.saveGameFile, TRUE);
11311 } else if (appData.autoSaveGames) {
11312 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11314 if (*appData.savePositionFile != NULLCHAR) {
11315 SavePositionToFile(appData.savePositionFile);
11317 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11321 /* Tell program how game ended in case it is learning */
11322 /* [HGM] Moved this to after saving the PGN, just in case */
11323 /* engine died and we got here through time loss. In that */
11324 /* case we will get a fatal error writing the pipe, which */
11325 /* would otherwise lose us the PGN. */
11326 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11327 /* output during GameEnds should never be fatal anymore */
11328 if (gameMode == MachinePlaysWhite ||
11329 gameMode == MachinePlaysBlack ||
11330 gameMode == TwoMachinesPlay ||
11331 gameMode == IcsPlayingWhite ||
11332 gameMode == IcsPlayingBlack ||
11333 gameMode == BeginningOfGame) {
11335 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11337 if (first.pr != NoProc) {
11338 SendToProgram(buf, &first);
11340 if (second.pr != NoProc &&
11341 gameMode == TwoMachinesPlay) {
11342 SendToProgram(buf, &second);
11347 if (appData.icsActive) {
11348 if (appData.quietPlay &&
11349 (gameMode == IcsPlayingWhite ||
11350 gameMode == IcsPlayingBlack)) {
11351 SendToICS(ics_prefix);
11352 SendToICS("set shout 1\n");
11354 nextGameMode = IcsIdle;
11355 ics_user_moved = FALSE;
11356 /* clean up premove. It's ugly when the game has ended and the
11357 * premove highlights are still on the board.
11360 gotPremove = FALSE;
11361 ClearPremoveHighlights();
11362 DrawPosition(FALSE, boards[currentMove]);
11364 if (whosays == GE_ICS) {
11367 if (gameMode == IcsPlayingWhite)
11369 else if(gameMode == IcsPlayingBlack)
11370 PlayIcsLossSound();
11373 if (gameMode == IcsPlayingBlack)
11375 else if(gameMode == IcsPlayingWhite)
11376 PlayIcsLossSound();
11379 PlayIcsDrawSound();
11382 PlayIcsUnfinishedSound();
11385 if(appData.quitNext) { ExitEvent(0); return; }
11386 } else if (gameMode == EditGame ||
11387 gameMode == PlayFromGameFile ||
11388 gameMode == AnalyzeMode ||
11389 gameMode == AnalyzeFile) {
11390 nextGameMode = gameMode;
11392 nextGameMode = EndOfGame;
11397 nextGameMode = gameMode;
11400 if (appData.noChessProgram) {
11401 gameMode = nextGameMode;
11403 endingGame = 0; /* [HGM] crash */
11408 /* Put first chess program into idle state */
11409 if (first.pr != NoProc &&
11410 (gameMode == MachinePlaysWhite ||
11411 gameMode == MachinePlaysBlack ||
11412 gameMode == TwoMachinesPlay ||
11413 gameMode == IcsPlayingWhite ||
11414 gameMode == IcsPlayingBlack ||
11415 gameMode == BeginningOfGame)) {
11416 SendToProgram("force\n", &first);
11417 if (first.usePing) {
11419 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11420 SendToProgram(buf, &first);
11423 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11424 /* Kill off first chess program */
11425 if (first.isr != NULL)
11426 RemoveInputSource(first.isr);
11429 if (first.pr != NoProc) {
11431 DoSleep( appData.delayBeforeQuit );
11432 SendToProgram("quit\n", &first);
11433 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11434 first.reload = TRUE;
11438 if (second.reuse) {
11439 /* Put second chess program into idle state */
11440 if (second.pr != NoProc &&
11441 gameMode == TwoMachinesPlay) {
11442 SendToProgram("force\n", &second);
11443 if (second.usePing) {
11445 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11446 SendToProgram(buf, &second);
11449 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11450 /* Kill off second chess program */
11451 if (second.isr != NULL)
11452 RemoveInputSource(second.isr);
11455 if (second.pr != NoProc) {
11456 DoSleep( appData.delayBeforeQuit );
11457 SendToProgram("quit\n", &second);
11458 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11459 second.reload = TRUE;
11461 second.pr = NoProc;
11464 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11465 char resChar = '=';
11469 if (first.twoMachinesColor[0] == 'w') {
11472 second.matchWins++;
11477 if (first.twoMachinesColor[0] == 'b') {
11480 second.matchWins++;
11483 case GameUnfinished:
11489 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11490 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11491 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11492 ReserveGame(nextGame, resChar); // sets nextGame
11493 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11494 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11495 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11497 if (nextGame <= appData.matchGames && !abortMatch) {
11498 gameMode = nextGameMode;
11499 matchGame = nextGame; // this will be overruled in tourney mode!
11500 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11501 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11502 endingGame = 0; /* [HGM] crash */
11505 gameMode = nextGameMode;
11506 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11507 first.tidy, second.tidy,
11508 first.matchWins, second.matchWins,
11509 appData.matchGames - (first.matchWins + second.matchWins));
11510 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11511 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11512 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11513 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11514 first.twoMachinesColor = "black\n";
11515 second.twoMachinesColor = "white\n";
11517 first.twoMachinesColor = "white\n";
11518 second.twoMachinesColor = "black\n";
11522 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11523 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11525 gameMode = nextGameMode;
11527 endingGame = 0; /* [HGM] crash */
11528 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11529 if(matchMode == TRUE) { // match through command line: exit with or without popup
11531 ToNrEvent(forwardMostMove);
11532 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11534 } else DisplayFatalError(buf, 0, 0);
11535 } else { // match through menu; just stop, with or without popup
11536 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11539 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11540 } else DisplayNote(buf);
11542 if(ranking) free(ranking);
11546 /* Assumes program was just initialized (initString sent).
11547 Leaves program in force mode. */
11549 FeedMovesToProgram (ChessProgramState *cps, int upto)
11553 if (appData.debugMode)
11554 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11555 startedFromSetupPosition ? "position and " : "",
11556 backwardMostMove, upto, cps->which);
11557 if(currentlyInitializedVariant != gameInfo.variant) {
11559 // [HGM] variantswitch: make engine aware of new variant
11560 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11561 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11562 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11563 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11564 SendToProgram(buf, cps);
11565 currentlyInitializedVariant = gameInfo.variant;
11567 SendToProgram("force\n", cps);
11568 if (startedFromSetupPosition) {
11569 SendBoard(cps, backwardMostMove);
11570 if (appData.debugMode) {
11571 fprintf(debugFP, "feedMoves\n");
11574 for (i = backwardMostMove; i < upto; i++) {
11575 SendMoveToProgram(i, cps);
11581 ResurrectChessProgram ()
11583 /* The chess program may have exited.
11584 If so, restart it and feed it all the moves made so far. */
11585 static int doInit = 0;
11587 if (appData.noChessProgram) return 1;
11589 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11590 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11591 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11592 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11594 if (first.pr != NoProc) return 1;
11595 StartChessProgram(&first);
11597 InitChessProgram(&first, FALSE);
11598 FeedMovesToProgram(&first, currentMove);
11600 if (!first.sendTime) {
11601 /* can't tell gnuchess what its clock should read,
11602 so we bow to its notion. */
11604 timeRemaining[0][currentMove] = whiteTimeRemaining;
11605 timeRemaining[1][currentMove] = blackTimeRemaining;
11608 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11609 appData.icsEngineAnalyze) && first.analysisSupport) {
11610 SendToProgram("analyze\n", &first);
11611 first.analyzing = TRUE;
11617 * Button procedures
11620 Reset (int redraw, int init)
11624 if (appData.debugMode) {
11625 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11626 redraw, init, gameMode);
11628 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11629 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11630 CleanupTail(); // [HGM] vari: delete any stored variations
11631 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11632 pausing = pauseExamInvalid = FALSE;
11633 startedFromSetupPosition = blackPlaysFirst = FALSE;
11635 whiteFlag = blackFlag = FALSE;
11636 userOfferedDraw = FALSE;
11637 hintRequested = bookRequested = FALSE;
11638 first.maybeThinking = FALSE;
11639 second.maybeThinking = FALSE;
11640 first.bookSuspend = FALSE; // [HGM] book
11641 second.bookSuspend = FALSE;
11642 thinkOutput[0] = NULLCHAR;
11643 lastHint[0] = NULLCHAR;
11644 ClearGameInfo(&gameInfo);
11645 gameInfo.variant = StringToVariant(appData.variant);
11646 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11647 ics_user_moved = ics_clock_paused = FALSE;
11648 ics_getting_history = H_FALSE;
11650 white_holding[0] = black_holding[0] = NULLCHAR;
11651 ClearProgramStats();
11652 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11656 flipView = appData.flipView;
11657 ClearPremoveHighlights();
11658 gotPremove = FALSE;
11659 alarmSounded = FALSE;
11660 killX = killY = -1; // [HGM] lion
11662 GameEnds(EndOfFile, NULL, GE_PLAYER);
11663 if(appData.serverMovesName != NULL) {
11664 /* [HGM] prepare to make moves file for broadcasting */
11665 clock_t t = clock();
11666 if(serverMoves != NULL) fclose(serverMoves);
11667 serverMoves = fopen(appData.serverMovesName, "r");
11668 if(serverMoves != NULL) {
11669 fclose(serverMoves);
11670 /* delay 15 sec before overwriting, so all clients can see end */
11671 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11673 serverMoves = fopen(appData.serverMovesName, "w");
11677 gameMode = BeginningOfGame;
11679 if(appData.icsActive) gameInfo.variant = VariantNormal;
11680 currentMove = forwardMostMove = backwardMostMove = 0;
11681 MarkTargetSquares(1);
11682 InitPosition(redraw);
11683 for (i = 0; i < MAX_MOVES; i++) {
11684 if (commentList[i] != NULL) {
11685 free(commentList[i]);
11686 commentList[i] = NULL;
11690 timeRemaining[0][0] = whiteTimeRemaining;
11691 timeRemaining[1][0] = blackTimeRemaining;
11693 if (first.pr == NoProc) {
11694 StartChessProgram(&first);
11697 InitChessProgram(&first, startedFromSetupPosition);
11700 DisplayMessage("", "");
11701 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11702 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11703 ClearMap(); // [HGM] exclude: invalidate map
11707 AutoPlayGameLoop ()
11710 if (!AutoPlayOneMove())
11712 if (matchMode || appData.timeDelay == 0)
11714 if (appData.timeDelay < 0)
11716 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11724 ReloadGame(1); // next game
11730 int fromX, fromY, toX, toY;
11732 if (appData.debugMode) {
11733 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11736 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11739 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11740 pvInfoList[currentMove].depth = programStats.depth;
11741 pvInfoList[currentMove].score = programStats.score;
11742 pvInfoList[currentMove].time = 0;
11743 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11744 else { // append analysis of final position as comment
11746 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11747 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11749 programStats.depth = 0;
11752 if (currentMove >= forwardMostMove) {
11753 if(gameMode == AnalyzeFile) {
11754 if(appData.loadGameIndex == -1) {
11755 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11756 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11758 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11761 // gameMode = EndOfGame;
11762 // ModeHighlight();
11764 /* [AS] Clear current move marker at the end of a game */
11765 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11770 toX = moveList[currentMove][2] - AAA;
11771 toY = moveList[currentMove][3] - ONE;
11773 if (moveList[currentMove][1] == '@') {
11774 if (appData.highlightLastMove) {
11775 SetHighlights(-1, -1, toX, toY);
11778 int viaX = moveList[currentMove][5] - AAA;
11779 int viaY = moveList[currentMove][6] - ONE;
11780 fromX = moveList[currentMove][0] - AAA;
11781 fromY = moveList[currentMove][1] - ONE;
11783 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11785 if(moveList[currentMove][4] == ';') { // multi-leg
11786 ChessSquare piece = boards[currentMove][viaY][viaX];
11787 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11788 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11789 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11790 boards[currentMove][viaY][viaX] = piece;
11792 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11794 if (appData.highlightLastMove) {
11795 SetHighlights(fromX, fromY, toX, toY);
11798 DisplayMove(currentMove);
11799 SendMoveToProgram(currentMove++, &first);
11800 DisplayBothClocks();
11801 DrawPosition(FALSE, boards[currentMove]);
11802 // [HGM] PV info: always display, routine tests if empty
11803 DisplayComment(currentMove - 1, commentList[currentMove]);
11809 LoadGameOneMove (ChessMove readAhead)
11811 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11812 char promoChar = NULLCHAR;
11813 ChessMove moveType;
11814 char move[MSG_SIZ];
11817 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11818 gameMode != AnalyzeMode && gameMode != Training) {
11823 yyboardindex = forwardMostMove;
11824 if (readAhead != EndOfFile) {
11825 moveType = readAhead;
11827 if (gameFileFP == NULL)
11829 moveType = (ChessMove) Myylex();
11833 switch (moveType) {
11835 if (appData.debugMode)
11836 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11839 /* append the comment but don't display it */
11840 AppendComment(currentMove, p, FALSE);
11843 case WhiteCapturesEnPassant:
11844 case BlackCapturesEnPassant:
11845 case WhitePromotion:
11846 case BlackPromotion:
11847 case WhiteNonPromotion:
11848 case BlackNonPromotion:
11851 case WhiteKingSideCastle:
11852 case WhiteQueenSideCastle:
11853 case BlackKingSideCastle:
11854 case BlackQueenSideCastle:
11855 case WhiteKingSideCastleWild:
11856 case WhiteQueenSideCastleWild:
11857 case BlackKingSideCastleWild:
11858 case BlackQueenSideCastleWild:
11860 case WhiteHSideCastleFR:
11861 case WhiteASideCastleFR:
11862 case BlackHSideCastleFR:
11863 case BlackASideCastleFR:
11865 if (appData.debugMode)
11866 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11867 fromX = currentMoveString[0] - AAA;
11868 fromY = currentMoveString[1] - ONE;
11869 toX = currentMoveString[2] - AAA;
11870 toY = currentMoveString[3] - ONE;
11871 promoChar = currentMoveString[4];
11872 if(promoChar == ';') promoChar = NULLCHAR;
11877 if (appData.debugMode)
11878 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11879 fromX = moveType == WhiteDrop ?
11880 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11881 (int) CharToPiece(ToLower(currentMoveString[0]));
11883 toX = currentMoveString[2] - AAA;
11884 toY = currentMoveString[3] - ONE;
11890 case GameUnfinished:
11891 if (appData.debugMode)
11892 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11893 p = strchr(yy_text, '{');
11894 if (p == NULL) p = strchr(yy_text, '(');
11897 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11899 q = strchr(p, *p == '{' ? '}' : ')');
11900 if (q != NULL) *q = NULLCHAR;
11903 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11904 GameEnds(moveType, p, GE_FILE);
11906 if (cmailMsgLoaded) {
11908 flipView = WhiteOnMove(currentMove);
11909 if (moveType == GameUnfinished) flipView = !flipView;
11910 if (appData.debugMode)
11911 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11916 if (appData.debugMode)
11917 fprintf(debugFP, "Parser hit end of file\n");
11918 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11924 if (WhiteOnMove(currentMove)) {
11925 GameEnds(BlackWins, "Black mates", GE_FILE);
11927 GameEnds(WhiteWins, "White mates", GE_FILE);
11931 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11937 case MoveNumberOne:
11938 if (lastLoadGameStart == GNUChessGame) {
11939 /* GNUChessGames have numbers, but they aren't move numbers */
11940 if (appData.debugMode)
11941 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11942 yy_text, (int) moveType);
11943 return LoadGameOneMove(EndOfFile); /* tail recursion */
11945 /* else fall thru */
11950 /* Reached start of next game in file */
11951 if (appData.debugMode)
11952 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11953 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11959 if (WhiteOnMove(currentMove)) {
11960 GameEnds(BlackWins, "Black mates", GE_FILE);
11962 GameEnds(WhiteWins, "White mates", GE_FILE);
11966 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11972 case PositionDiagram: /* should not happen; ignore */
11973 case ElapsedTime: /* ignore */
11974 case NAG: /* ignore */
11975 if (appData.debugMode)
11976 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11977 yy_text, (int) moveType);
11978 return LoadGameOneMove(EndOfFile); /* tail recursion */
11981 if (appData.testLegality) {
11982 if (appData.debugMode)
11983 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11984 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11985 (forwardMostMove / 2) + 1,
11986 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11987 DisplayError(move, 0);
11990 if (appData.debugMode)
11991 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11992 yy_text, currentMoveString);
11993 fromX = currentMoveString[0] - AAA;
11994 fromY = currentMoveString[1] - ONE;
11995 toX = currentMoveString[2] - AAA;
11996 toY = currentMoveString[3] - ONE;
11997 promoChar = currentMoveString[4];
12001 case AmbiguousMove:
12002 if (appData.debugMode)
12003 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12004 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12005 (forwardMostMove / 2) + 1,
12006 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12007 DisplayError(move, 0);
12012 case ImpossibleMove:
12013 if (appData.debugMode)
12014 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12015 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12016 (forwardMostMove / 2) + 1,
12017 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12018 DisplayError(move, 0);
12024 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12025 DrawPosition(FALSE, boards[currentMove]);
12026 DisplayBothClocks();
12027 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12028 DisplayComment(currentMove - 1, commentList[currentMove]);
12030 (void) StopLoadGameTimer();
12032 cmailOldMove = forwardMostMove;
12035 /* currentMoveString is set as a side-effect of yylex */
12037 thinkOutput[0] = NULLCHAR;
12038 MakeMove(fromX, fromY, toX, toY, promoChar);
12039 killX = killY = -1; // [HGM] lion: used up
12040 currentMove = forwardMostMove;
12045 /* Load the nth game from the given file */
12047 LoadGameFromFile (char *filename, int n, char *title, int useList)
12052 if (strcmp(filename, "-") == 0) {
12056 f = fopen(filename, "rb");
12058 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12059 DisplayError(buf, errno);
12063 if (fseek(f, 0, 0) == -1) {
12064 /* f is not seekable; probably a pipe */
12067 if (useList && n == 0) {
12068 int error = GameListBuild(f);
12070 DisplayError(_("Cannot build game list"), error);
12071 } else if (!ListEmpty(&gameList) &&
12072 ((ListGame *) gameList.tailPred)->number > 1) {
12073 GameListPopUp(f, title);
12080 return LoadGame(f, n, title, FALSE);
12085 MakeRegisteredMove ()
12087 int fromX, fromY, toX, toY;
12089 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12090 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12093 if (appData.debugMode)
12094 fprintf(debugFP, "Restoring %s for game %d\n",
12095 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12097 thinkOutput[0] = NULLCHAR;
12098 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12099 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12100 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12101 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12102 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12103 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12104 MakeMove(fromX, fromY, toX, toY, promoChar);
12105 ShowMove(fromX, fromY, toX, toY);
12107 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12114 if (WhiteOnMove(currentMove)) {
12115 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12117 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12122 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12129 if (WhiteOnMove(currentMove)) {
12130 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12132 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12137 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12148 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12150 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12154 if (gameNumber > nCmailGames) {
12155 DisplayError(_("No more games in this message"), 0);
12158 if (f == lastLoadGameFP) {
12159 int offset = gameNumber - lastLoadGameNumber;
12161 cmailMsg[0] = NULLCHAR;
12162 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12163 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12164 nCmailMovesRegistered--;
12166 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12167 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12168 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12171 if (! RegisterMove()) return FALSE;
12175 retVal = LoadGame(f, gameNumber, title, useList);
12177 /* Make move registered during previous look at this game, if any */
12178 MakeRegisteredMove();
12180 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12181 commentList[currentMove]
12182 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12183 DisplayComment(currentMove - 1, commentList[currentMove]);
12189 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12191 ReloadGame (int offset)
12193 int gameNumber = lastLoadGameNumber + offset;
12194 if (lastLoadGameFP == NULL) {
12195 DisplayError(_("No game has been loaded yet"), 0);
12198 if (gameNumber <= 0) {
12199 DisplayError(_("Can't back up any further"), 0);
12202 if (cmailMsgLoaded) {
12203 return CmailLoadGame(lastLoadGameFP, gameNumber,
12204 lastLoadGameTitle, lastLoadGameUseList);
12206 return LoadGame(lastLoadGameFP, gameNumber,
12207 lastLoadGameTitle, lastLoadGameUseList);
12211 int keys[EmptySquare+1];
12214 PositionMatches (Board b1, Board b2)
12217 switch(appData.searchMode) {
12218 case 1: return CompareWithRights(b1, b2);
12220 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12221 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12225 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12226 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12227 sum += keys[b1[r][f]] - keys[b2[r][f]];
12231 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12232 sum += keys[b1[r][f]] - keys[b2[r][f]];
12244 int pieceList[256], quickBoard[256];
12245 ChessSquare pieceType[256] = { EmptySquare };
12246 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12247 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12248 int soughtTotal, turn;
12249 Boolean epOK, flipSearch;
12252 unsigned char piece, to;
12255 #define DSIZE (250000)
12257 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12258 Move *moveDatabase = initialSpace;
12259 unsigned int movePtr, dataSize = DSIZE;
12262 MakePieceList (Board board, int *counts)
12264 int r, f, n=Q_PROMO, total=0;
12265 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12266 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12267 int sq = f + (r<<4);
12268 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12269 quickBoard[sq] = ++n;
12271 pieceType[n] = board[r][f];
12272 counts[board[r][f]]++;
12273 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12274 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12278 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12283 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12285 int sq = fromX + (fromY<<4);
12286 int piece = quickBoard[sq], rook;
12287 quickBoard[sq] = 0;
12288 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12289 if(piece == pieceList[1] && fromY == toY) {
12290 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12291 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12292 moveDatabase[movePtr++].piece = Q_WCASTL;
12293 quickBoard[sq] = piece;
12294 piece = quickBoard[from]; quickBoard[from] = 0;
12295 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12296 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12297 quickBoard[sq] = 0; // remove Rook
12298 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12299 moveDatabase[movePtr++].piece = Q_WCASTL;
12300 quickBoard[sq] = pieceList[1]; // put King
12302 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12305 if(piece == pieceList[2] && fromY == toY) {
12306 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12307 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12308 moveDatabase[movePtr++].piece = Q_BCASTL;
12309 quickBoard[sq] = piece;
12310 piece = quickBoard[from]; quickBoard[from] = 0;
12311 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12312 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12313 quickBoard[sq] = 0; // remove Rook
12314 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12315 moveDatabase[movePtr++].piece = Q_BCASTL;
12316 quickBoard[sq] = pieceList[2]; // put King
12318 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12321 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12322 quickBoard[(fromY<<4)+toX] = 0;
12323 moveDatabase[movePtr].piece = Q_EP;
12324 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12325 moveDatabase[movePtr].to = sq;
12327 if(promoPiece != pieceType[piece]) {
12328 moveDatabase[movePtr++].piece = Q_PROMO;
12329 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12331 moveDatabase[movePtr].piece = piece;
12332 quickBoard[sq] = piece;
12337 PackGame (Board board)
12339 Move *newSpace = NULL;
12340 moveDatabase[movePtr].piece = 0; // terminate previous game
12341 if(movePtr > dataSize) {
12342 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12343 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12344 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12347 Move *p = moveDatabase, *q = newSpace;
12348 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12349 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12350 moveDatabase = newSpace;
12351 } else { // calloc failed, we must be out of memory. Too bad...
12352 dataSize = 0; // prevent calloc events for all subsequent games
12353 return 0; // and signal this one isn't cached
12357 MakePieceList(board, counts);
12362 QuickCompare (Board board, int *minCounts, int *maxCounts)
12363 { // compare according to search mode
12365 switch(appData.searchMode)
12367 case 1: // exact position match
12368 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12369 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12370 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12373 case 2: // can have extra material on empty squares
12374 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12375 if(board[r][f] == EmptySquare) continue;
12376 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12379 case 3: // material with exact Pawn structure
12380 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12381 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12382 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12383 } // fall through to material comparison
12384 case 4: // exact material
12385 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12387 case 6: // material range with given imbalance
12388 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12389 // fall through to range comparison
12390 case 5: // material range
12391 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12397 QuickScan (Board board, Move *move)
12398 { // reconstruct game,and compare all positions in it
12399 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12401 int piece = move->piece;
12402 int to = move->to, from = pieceList[piece];
12403 if(found < 0) { // if already found just scan to game end for final piece count
12404 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12405 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12406 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12407 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12409 static int lastCounts[EmptySquare+1];
12411 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12412 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12413 } else stretch = 0;
12414 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12415 if(found >= 0 && !appData.minPieces) return found;
12417 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12418 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12419 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12420 piece = (++move)->piece;
12421 from = pieceList[piece];
12422 counts[pieceType[piece]]--;
12423 pieceType[piece] = (ChessSquare) move->to;
12424 counts[move->to]++;
12425 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12426 counts[pieceType[quickBoard[to]]]--;
12427 quickBoard[to] = 0; total--;
12430 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12431 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12432 from = pieceList[piece]; // so this must be King
12433 quickBoard[from] = 0;
12434 pieceList[piece] = to;
12435 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12436 quickBoard[from] = 0; // rook
12437 quickBoard[to] = piece;
12438 to = move->to; piece = move->piece;
12442 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12443 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12444 quickBoard[from] = 0;
12446 quickBoard[to] = piece;
12447 pieceList[piece] = to;
12457 flipSearch = FALSE;
12458 CopyBoard(soughtBoard, boards[currentMove]);
12459 soughtTotal = MakePieceList(soughtBoard, maxSought);
12460 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12461 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12462 CopyBoard(reverseBoard, boards[currentMove]);
12463 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12464 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12465 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12466 reverseBoard[r][f] = piece;
12468 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12469 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12470 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12471 || (boards[currentMove][CASTLING][2] == NoRights ||
12472 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12473 && (boards[currentMove][CASTLING][5] == NoRights ||
12474 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12477 CopyBoard(flipBoard, soughtBoard);
12478 CopyBoard(rotateBoard, reverseBoard);
12479 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12480 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12481 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12484 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12485 if(appData.searchMode >= 5) {
12486 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12487 MakePieceList(soughtBoard, minSought);
12488 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12490 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12491 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12494 GameInfo dummyInfo;
12495 static int creatingBook;
12498 GameContainsPosition (FILE *f, ListGame *lg)
12500 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12501 int fromX, fromY, toX, toY;
12503 static int initDone=FALSE;
12505 // weed out games based on numerical tag comparison
12506 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12507 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12508 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12509 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12511 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12514 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12515 else CopyBoard(boards[scratch], initialPosition); // default start position
12518 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12519 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12522 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12523 fseek(f, lg->offset, 0);
12526 yyboardindex = scratch;
12527 quickFlag = plyNr+1;
12532 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12538 if(plyNr) return -1; // after we have seen moves, this is for new game
12541 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12542 case ImpossibleMove:
12543 case WhiteWins: // game ends here with these four
12546 case GameUnfinished:
12550 if(appData.testLegality) return -1;
12551 case WhiteCapturesEnPassant:
12552 case BlackCapturesEnPassant:
12553 case WhitePromotion:
12554 case BlackPromotion:
12555 case WhiteNonPromotion:
12556 case BlackNonPromotion:
12559 case WhiteKingSideCastle:
12560 case WhiteQueenSideCastle:
12561 case BlackKingSideCastle:
12562 case BlackQueenSideCastle:
12563 case WhiteKingSideCastleWild:
12564 case WhiteQueenSideCastleWild:
12565 case BlackKingSideCastleWild:
12566 case BlackQueenSideCastleWild:
12567 case WhiteHSideCastleFR:
12568 case WhiteASideCastleFR:
12569 case BlackHSideCastleFR:
12570 case BlackASideCastleFR:
12571 fromX = currentMoveString[0] - AAA;
12572 fromY = currentMoveString[1] - ONE;
12573 toX = currentMoveString[2] - AAA;
12574 toY = currentMoveString[3] - ONE;
12575 promoChar = currentMoveString[4];
12579 fromX = next == WhiteDrop ?
12580 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12581 (int) CharToPiece(ToLower(currentMoveString[0]));
12583 toX = currentMoveString[2] - AAA;
12584 toY = currentMoveString[3] - ONE;
12588 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12590 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12591 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12592 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12593 if(appData.findMirror) {
12594 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12595 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12600 /* Load the nth game from open file f */
12602 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12606 int gn = gameNumber;
12607 ListGame *lg = NULL;
12608 int numPGNTags = 0;
12610 GameMode oldGameMode;
12611 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12613 if (appData.debugMode)
12614 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12616 if (gameMode == Training )
12617 SetTrainingModeOff();
12619 oldGameMode = gameMode;
12620 if (gameMode != BeginningOfGame) {
12621 Reset(FALSE, TRUE);
12623 killX = killY = -1; // [HGM] lion: in case we did not Reset
12626 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12627 fclose(lastLoadGameFP);
12631 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12634 fseek(f, lg->offset, 0);
12635 GameListHighlight(gameNumber);
12636 pos = lg->position;
12640 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12641 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12643 DisplayError(_("Game number out of range"), 0);
12648 if (fseek(f, 0, 0) == -1) {
12649 if (f == lastLoadGameFP ?
12650 gameNumber == lastLoadGameNumber + 1 :
12654 DisplayError(_("Can't seek on game file"), 0);
12659 lastLoadGameFP = f;
12660 lastLoadGameNumber = gameNumber;
12661 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12662 lastLoadGameUseList = useList;
12666 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12667 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12668 lg->gameInfo.black);
12670 } else if (*title != NULLCHAR) {
12671 if (gameNumber > 1) {
12672 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12675 DisplayTitle(title);
12679 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12680 gameMode = PlayFromGameFile;
12684 currentMove = forwardMostMove = backwardMostMove = 0;
12685 CopyBoard(boards[0], initialPosition);
12689 * Skip the first gn-1 games in the file.
12690 * Also skip over anything that precedes an identifiable
12691 * start of game marker, to avoid being confused by
12692 * garbage at the start of the file. Currently
12693 * recognized start of game markers are the move number "1",
12694 * the pattern "gnuchess .* game", the pattern
12695 * "^[#;%] [^ ]* game file", and a PGN tag block.
12696 * A game that starts with one of the latter two patterns
12697 * will also have a move number 1, possibly
12698 * following a position diagram.
12699 * 5-4-02: Let's try being more lenient and allowing a game to
12700 * start with an unnumbered move. Does that break anything?
12702 cm = lastLoadGameStart = EndOfFile;
12704 yyboardindex = forwardMostMove;
12705 cm = (ChessMove) Myylex();
12708 if (cmailMsgLoaded) {
12709 nCmailGames = CMAIL_MAX_GAMES - gn;
12712 DisplayError(_("Game not found in file"), 0);
12719 lastLoadGameStart = cm;
12722 case MoveNumberOne:
12723 switch (lastLoadGameStart) {
12728 case MoveNumberOne:
12730 gn--; /* count this game */
12731 lastLoadGameStart = cm;
12740 switch (lastLoadGameStart) {
12743 case MoveNumberOne:
12745 gn--; /* count this game */
12746 lastLoadGameStart = cm;
12749 lastLoadGameStart = cm; /* game counted already */
12757 yyboardindex = forwardMostMove;
12758 cm = (ChessMove) Myylex();
12759 } while (cm == PGNTag || cm == Comment);
12766 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12767 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12768 != CMAIL_OLD_RESULT) {
12770 cmailResult[ CMAIL_MAX_GAMES
12771 - gn - 1] = CMAIL_OLD_RESULT;
12778 /* Only a NormalMove can be at the start of a game
12779 * without a position diagram. */
12780 if (lastLoadGameStart == EndOfFile ) {
12782 lastLoadGameStart = MoveNumberOne;
12791 if (appData.debugMode)
12792 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12794 if (cm == XBoardGame) {
12795 /* Skip any header junk before position diagram and/or move 1 */
12797 yyboardindex = forwardMostMove;
12798 cm = (ChessMove) Myylex();
12800 if (cm == EndOfFile ||
12801 cm == GNUChessGame || cm == XBoardGame) {
12802 /* Empty game; pretend end-of-file and handle later */
12807 if (cm == MoveNumberOne || cm == PositionDiagram ||
12808 cm == PGNTag || cm == Comment)
12811 } else if (cm == GNUChessGame) {
12812 if (gameInfo.event != NULL) {
12813 free(gameInfo.event);
12815 gameInfo.event = StrSave(yy_text);
12818 startedFromSetupPosition = FALSE;
12819 while (cm == PGNTag) {
12820 if (appData.debugMode)
12821 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12822 err = ParsePGNTag(yy_text, &gameInfo);
12823 if (!err) numPGNTags++;
12825 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12826 if(gameInfo.variant != oldVariant) {
12827 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12828 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12829 InitPosition(TRUE);
12830 oldVariant = gameInfo.variant;
12831 if (appData.debugMode)
12832 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12836 if (gameInfo.fen != NULL) {
12837 Board initial_position;
12838 startedFromSetupPosition = TRUE;
12839 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12841 DisplayError(_("Bad FEN position in file"), 0);
12844 CopyBoard(boards[0], initial_position);
12845 if (blackPlaysFirst) {
12846 currentMove = forwardMostMove = backwardMostMove = 1;
12847 CopyBoard(boards[1], initial_position);
12848 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12849 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12850 timeRemaining[0][1] = whiteTimeRemaining;
12851 timeRemaining[1][1] = blackTimeRemaining;
12852 if (commentList[0] != NULL) {
12853 commentList[1] = commentList[0];
12854 commentList[0] = NULL;
12857 currentMove = forwardMostMove = backwardMostMove = 0;
12859 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12861 initialRulePlies = FENrulePlies;
12862 for( i=0; i< nrCastlingRights; i++ )
12863 initialRights[i] = initial_position[CASTLING][i];
12865 yyboardindex = forwardMostMove;
12866 free(gameInfo.fen);
12867 gameInfo.fen = NULL;
12870 yyboardindex = forwardMostMove;
12871 cm = (ChessMove) Myylex();
12873 /* Handle comments interspersed among the tags */
12874 while (cm == Comment) {
12876 if (appData.debugMode)
12877 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12879 AppendComment(currentMove, p, FALSE);
12880 yyboardindex = forwardMostMove;
12881 cm = (ChessMove) Myylex();
12885 /* don't rely on existence of Event tag since if game was
12886 * pasted from clipboard the Event tag may not exist
12888 if (numPGNTags > 0){
12890 if (gameInfo.variant == VariantNormal) {
12891 VariantClass v = StringToVariant(gameInfo.event);
12892 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12893 if(v < VariantShogi) gameInfo.variant = v;
12896 if( appData.autoDisplayTags ) {
12897 tags = PGNTags(&gameInfo);
12898 TagsPopUp(tags, CmailMsg());
12903 /* Make something up, but don't display it now */
12908 if (cm == PositionDiagram) {
12911 Board initial_position;
12913 if (appData.debugMode)
12914 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12916 if (!startedFromSetupPosition) {
12918 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12919 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12930 initial_position[i][j++] = CharToPiece(*p);
12933 while (*p == ' ' || *p == '\t' ||
12934 *p == '\n' || *p == '\r') p++;
12936 if (strncmp(p, "black", strlen("black"))==0)
12937 blackPlaysFirst = TRUE;
12939 blackPlaysFirst = FALSE;
12940 startedFromSetupPosition = TRUE;
12942 CopyBoard(boards[0], initial_position);
12943 if (blackPlaysFirst) {
12944 currentMove = forwardMostMove = backwardMostMove = 1;
12945 CopyBoard(boards[1], initial_position);
12946 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12947 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12948 timeRemaining[0][1] = whiteTimeRemaining;
12949 timeRemaining[1][1] = blackTimeRemaining;
12950 if (commentList[0] != NULL) {
12951 commentList[1] = commentList[0];
12952 commentList[0] = NULL;
12955 currentMove = forwardMostMove = backwardMostMove = 0;
12958 yyboardindex = forwardMostMove;
12959 cm = (ChessMove) Myylex();
12962 if(!creatingBook) {
12963 if (first.pr == NoProc) {
12964 StartChessProgram(&first);
12966 InitChessProgram(&first, FALSE);
12967 SendToProgram("force\n", &first);
12968 if (startedFromSetupPosition) {
12969 SendBoard(&first, forwardMostMove);
12970 if (appData.debugMode) {
12971 fprintf(debugFP, "Load Game\n");
12973 DisplayBothClocks();
12977 /* [HGM] server: flag to write setup moves in broadcast file as one */
12978 loadFlag = appData.suppressLoadMoves;
12980 while (cm == Comment) {
12982 if (appData.debugMode)
12983 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12985 AppendComment(currentMove, p, FALSE);
12986 yyboardindex = forwardMostMove;
12987 cm = (ChessMove) Myylex();
12990 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12991 cm == WhiteWins || cm == BlackWins ||
12992 cm == GameIsDrawn || cm == GameUnfinished) {
12993 DisplayMessage("", _("No moves in game"));
12994 if (cmailMsgLoaded) {
12995 if (appData.debugMode)
12996 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13000 DrawPosition(FALSE, boards[currentMove]);
13001 DisplayBothClocks();
13002 gameMode = EditGame;
13009 // [HGM] PV info: routine tests if comment empty
13010 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13011 DisplayComment(currentMove - 1, commentList[currentMove]);
13013 if (!matchMode && appData.timeDelay != 0)
13014 DrawPosition(FALSE, boards[currentMove]);
13016 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13017 programStats.ok_to_send = 1;
13020 /* if the first token after the PGN tags is a move
13021 * and not move number 1, retrieve it from the parser
13023 if (cm != MoveNumberOne)
13024 LoadGameOneMove(cm);
13026 /* load the remaining moves from the file */
13027 while (LoadGameOneMove(EndOfFile)) {
13028 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13029 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13032 /* rewind to the start of the game */
13033 currentMove = backwardMostMove;
13035 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13037 if (oldGameMode == AnalyzeFile) {
13038 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13039 AnalyzeFileEvent();
13041 if (oldGameMode == AnalyzeMode) {
13042 AnalyzeFileEvent();
13045 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13046 long int w, b; // [HGM] adjourn: restore saved clock times
13047 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13048 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13049 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13050 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13054 if(creatingBook) return TRUE;
13055 if (!matchMode && pos > 0) {
13056 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13058 if (matchMode || appData.timeDelay == 0) {
13060 } else if (appData.timeDelay > 0) {
13061 AutoPlayGameLoop();
13064 if (appData.debugMode)
13065 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13067 loadFlag = 0; /* [HGM] true game starts */
13071 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13073 ReloadPosition (int offset)
13075 int positionNumber = lastLoadPositionNumber + offset;
13076 if (lastLoadPositionFP == NULL) {
13077 DisplayError(_("No position has been loaded yet"), 0);
13080 if (positionNumber <= 0) {
13081 DisplayError(_("Can't back up any further"), 0);
13084 return LoadPosition(lastLoadPositionFP, positionNumber,
13085 lastLoadPositionTitle);
13088 /* Load the nth position from the given file */
13090 LoadPositionFromFile (char *filename, int n, char *title)
13095 if (strcmp(filename, "-") == 0) {
13096 return LoadPosition(stdin, n, "stdin");
13098 f = fopen(filename, "rb");
13100 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13101 DisplayError(buf, errno);
13104 return LoadPosition(f, n, title);
13109 /* Load the nth position from the given open file, and close it */
13111 LoadPosition (FILE *f, int positionNumber, char *title)
13113 char *p, line[MSG_SIZ];
13114 Board initial_position;
13115 int i, j, fenMode, pn;
13117 if (gameMode == Training )
13118 SetTrainingModeOff();
13120 if (gameMode != BeginningOfGame) {
13121 Reset(FALSE, TRUE);
13123 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13124 fclose(lastLoadPositionFP);
13126 if (positionNumber == 0) positionNumber = 1;
13127 lastLoadPositionFP = f;
13128 lastLoadPositionNumber = positionNumber;
13129 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13130 if (first.pr == NoProc && !appData.noChessProgram) {
13131 StartChessProgram(&first);
13132 InitChessProgram(&first, FALSE);
13134 pn = positionNumber;
13135 if (positionNumber < 0) {
13136 /* Negative position number means to seek to that byte offset */
13137 if (fseek(f, -positionNumber, 0) == -1) {
13138 DisplayError(_("Can't seek on position file"), 0);
13143 if (fseek(f, 0, 0) == -1) {
13144 if (f == lastLoadPositionFP ?
13145 positionNumber == lastLoadPositionNumber + 1 :
13146 positionNumber == 1) {
13149 DisplayError(_("Can't seek on position file"), 0);
13154 /* See if this file is FEN or old-style xboard */
13155 if (fgets(line, MSG_SIZ, f) == NULL) {
13156 DisplayError(_("Position not found in file"), 0);
13159 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13160 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13163 if (fenMode || line[0] == '#') pn--;
13165 /* skip positions before number pn */
13166 if (fgets(line, MSG_SIZ, f) == NULL) {
13168 DisplayError(_("Position not found in file"), 0);
13171 if (fenMode || line[0] == '#') pn--;
13176 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13177 DisplayError(_("Bad FEN position in file"), 0);
13181 (void) fgets(line, MSG_SIZ, f);
13182 (void) fgets(line, MSG_SIZ, f);
13184 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13185 (void) fgets(line, MSG_SIZ, f);
13186 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13189 initial_position[i][j++] = CharToPiece(*p);
13193 blackPlaysFirst = FALSE;
13195 (void) fgets(line, MSG_SIZ, f);
13196 if (strncmp(line, "black", strlen("black"))==0)
13197 blackPlaysFirst = TRUE;
13200 startedFromSetupPosition = TRUE;
13202 CopyBoard(boards[0], initial_position);
13203 if (blackPlaysFirst) {
13204 currentMove = forwardMostMove = backwardMostMove = 1;
13205 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13206 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13207 CopyBoard(boards[1], initial_position);
13208 DisplayMessage("", _("Black to play"));
13210 currentMove = forwardMostMove = backwardMostMove = 0;
13211 DisplayMessage("", _("White to play"));
13213 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13214 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13215 SendToProgram("force\n", &first);
13216 SendBoard(&first, forwardMostMove);
13218 if (appData.debugMode) {
13220 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13221 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13222 fprintf(debugFP, "Load Position\n");
13225 if (positionNumber > 1) {
13226 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13227 DisplayTitle(line);
13229 DisplayTitle(title);
13231 gameMode = EditGame;
13234 timeRemaining[0][1] = whiteTimeRemaining;
13235 timeRemaining[1][1] = blackTimeRemaining;
13236 DrawPosition(FALSE, boards[currentMove]);
13243 CopyPlayerNameIntoFileName (char **dest, char *src)
13245 while (*src != NULLCHAR && *src != ',') {
13250 *(*dest)++ = *src++;
13256 DefaultFileName (char *ext)
13258 static char def[MSG_SIZ];
13261 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13263 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13265 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13267 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13274 /* Save the current game to the given file */
13276 SaveGameToFile (char *filename, int append)
13280 int result, i, t,tot=0;
13282 if (strcmp(filename, "-") == 0) {
13283 return SaveGame(stdout, 0, NULL);
13285 for(i=0; i<10; i++) { // upto 10 tries
13286 f = fopen(filename, append ? "a" : "w");
13287 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13288 if(f || errno != 13) break;
13289 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13293 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13294 DisplayError(buf, errno);
13297 safeStrCpy(buf, lastMsg, MSG_SIZ);
13298 DisplayMessage(_("Waiting for access to save file"), "");
13299 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13300 DisplayMessage(_("Saving game"), "");
13301 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13302 result = SaveGame(f, 0, NULL);
13303 DisplayMessage(buf, "");
13310 SavePart (char *str)
13312 static char buf[MSG_SIZ];
13315 p = strchr(str, ' ');
13316 if (p == NULL) return str;
13317 strncpy(buf, str, p - str);
13318 buf[p - str] = NULLCHAR;
13322 #define PGN_MAX_LINE 75
13324 #define PGN_SIDE_WHITE 0
13325 #define PGN_SIDE_BLACK 1
13328 FindFirstMoveOutOfBook (int side)
13332 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13333 int index = backwardMostMove;
13334 int has_book_hit = 0;
13336 if( (index % 2) != side ) {
13340 while( index < forwardMostMove ) {
13341 /* Check to see if engine is in book */
13342 int depth = pvInfoList[index].depth;
13343 int score = pvInfoList[index].score;
13349 else if( score == 0 && depth == 63 ) {
13350 in_book = 1; /* Zappa */
13352 else if( score == 2 && depth == 99 ) {
13353 in_book = 1; /* Abrok */
13356 has_book_hit += in_book;
13372 GetOutOfBookInfo (char * buf)
13376 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13378 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13379 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13383 if( oob[0] >= 0 || oob[1] >= 0 ) {
13384 for( i=0; i<2; i++ ) {
13388 if( i > 0 && oob[0] >= 0 ) {
13389 strcat( buf, " " );
13392 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13393 sprintf( buf+strlen(buf), "%s%.2f",
13394 pvInfoList[idx].score >= 0 ? "+" : "",
13395 pvInfoList[idx].score / 100.0 );
13401 /* Save game in PGN style */
13403 SaveGamePGN2 (FILE *f)
13405 int i, offset, linelen, newblock;
13408 int movelen, numlen, blank;
13409 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13411 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13413 PrintPGNTags(f, &gameInfo);
13415 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13417 if (backwardMostMove > 0 || startedFromSetupPosition) {
13418 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13419 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13420 fprintf(f, "\n{--------------\n");
13421 PrintPosition(f, backwardMostMove);
13422 fprintf(f, "--------------}\n");
13426 /* [AS] Out of book annotation */
13427 if( appData.saveOutOfBookInfo ) {
13430 GetOutOfBookInfo( buf );
13432 if( buf[0] != '\0' ) {
13433 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13440 i = backwardMostMove;
13444 while (i < forwardMostMove) {
13445 /* Print comments preceding this move */
13446 if (commentList[i] != NULL) {
13447 if (linelen > 0) fprintf(f, "\n");
13448 fprintf(f, "%s", commentList[i]);
13453 /* Format move number */
13455 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13458 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13460 numtext[0] = NULLCHAR;
13462 numlen = strlen(numtext);
13465 /* Print move number */
13466 blank = linelen > 0 && numlen > 0;
13467 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13476 fprintf(f, "%s", numtext);
13480 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13481 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13484 blank = linelen > 0 && movelen > 0;
13485 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13494 fprintf(f, "%s", move_buffer);
13495 linelen += movelen;
13497 /* [AS] Add PV info if present */
13498 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13499 /* [HGM] add time */
13500 char buf[MSG_SIZ]; int seconds;
13502 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13508 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13511 seconds = (seconds + 4)/10; // round to full seconds
13513 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13515 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13518 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13519 pvInfoList[i].score >= 0 ? "+" : "",
13520 pvInfoList[i].score / 100.0,
13521 pvInfoList[i].depth,
13524 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13526 /* Print score/depth */
13527 blank = linelen > 0 && movelen > 0;
13528 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13537 fprintf(f, "%s", move_buffer);
13538 linelen += movelen;
13544 /* Start a new line */
13545 if (linelen > 0) fprintf(f, "\n");
13547 /* Print comments after last move */
13548 if (commentList[i] != NULL) {
13549 fprintf(f, "%s\n", commentList[i]);
13553 if (gameInfo.resultDetails != NULL &&
13554 gameInfo.resultDetails[0] != NULLCHAR) {
13555 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13556 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13557 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13558 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13559 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13561 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13565 /* Save game in PGN style and close the file */
13567 SaveGamePGN (FILE *f)
13571 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13575 /* Save game in old style and close the file */
13577 SaveGameOldStyle (FILE *f)
13582 tm = time((time_t *) NULL);
13584 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13587 if (backwardMostMove > 0 || startedFromSetupPosition) {
13588 fprintf(f, "\n[--------------\n");
13589 PrintPosition(f, backwardMostMove);
13590 fprintf(f, "--------------]\n");
13595 i = backwardMostMove;
13596 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13598 while (i < forwardMostMove) {
13599 if (commentList[i] != NULL) {
13600 fprintf(f, "[%s]\n", commentList[i]);
13603 if ((i % 2) == 1) {
13604 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13607 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13609 if (commentList[i] != NULL) {
13613 if (i >= forwardMostMove) {
13617 fprintf(f, "%s\n", parseList[i]);
13622 if (commentList[i] != NULL) {
13623 fprintf(f, "[%s]\n", commentList[i]);
13626 /* This isn't really the old style, but it's close enough */
13627 if (gameInfo.resultDetails != NULL &&
13628 gameInfo.resultDetails[0] != NULLCHAR) {
13629 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13630 gameInfo.resultDetails);
13632 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13639 /* Save the current game to open file f and close the file */
13641 SaveGame (FILE *f, int dummy, char *dummy2)
13643 if (gameMode == EditPosition) EditPositionDone(TRUE);
13644 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13645 if (appData.oldSaveStyle)
13646 return SaveGameOldStyle(f);
13648 return SaveGamePGN(f);
13651 /* Save the current position to the given file */
13653 SavePositionToFile (char *filename)
13658 if (strcmp(filename, "-") == 0) {
13659 return SavePosition(stdout, 0, NULL);
13661 f = fopen(filename, "a");
13663 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13664 DisplayError(buf, errno);
13667 safeStrCpy(buf, lastMsg, MSG_SIZ);
13668 DisplayMessage(_("Waiting for access to save file"), "");
13669 flock(fileno(f), LOCK_EX); // [HGM] lock
13670 DisplayMessage(_("Saving position"), "");
13671 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13672 SavePosition(f, 0, NULL);
13673 DisplayMessage(buf, "");
13679 /* Save the current position to the given open file and close the file */
13681 SavePosition (FILE *f, int dummy, char *dummy2)
13686 if (gameMode == EditPosition) EditPositionDone(TRUE);
13687 if (appData.oldSaveStyle) {
13688 tm = time((time_t *) NULL);
13690 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13692 fprintf(f, "[--------------\n");
13693 PrintPosition(f, currentMove);
13694 fprintf(f, "--------------]\n");
13696 fen = PositionToFEN(currentMove, NULL, 1);
13697 fprintf(f, "%s\n", fen);
13705 ReloadCmailMsgEvent (int unregister)
13708 static char *inFilename = NULL;
13709 static char *outFilename;
13711 struct stat inbuf, outbuf;
13714 /* Any registered moves are unregistered if unregister is set, */
13715 /* i.e. invoked by the signal handler */
13717 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13718 cmailMoveRegistered[i] = FALSE;
13719 if (cmailCommentList[i] != NULL) {
13720 free(cmailCommentList[i]);
13721 cmailCommentList[i] = NULL;
13724 nCmailMovesRegistered = 0;
13727 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13728 cmailResult[i] = CMAIL_NOT_RESULT;
13732 if (inFilename == NULL) {
13733 /* Because the filenames are static they only get malloced once */
13734 /* and they never get freed */
13735 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13736 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13738 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13739 sprintf(outFilename, "%s.out", appData.cmailGameName);
13742 status = stat(outFilename, &outbuf);
13744 cmailMailedMove = FALSE;
13746 status = stat(inFilename, &inbuf);
13747 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13750 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13751 counts the games, notes how each one terminated, etc.
13753 It would be nice to remove this kludge and instead gather all
13754 the information while building the game list. (And to keep it
13755 in the game list nodes instead of having a bunch of fixed-size
13756 parallel arrays.) Note this will require getting each game's
13757 termination from the PGN tags, as the game list builder does
13758 not process the game moves. --mann
13760 cmailMsgLoaded = TRUE;
13761 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13763 /* Load first game in the file or popup game menu */
13764 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13766 #endif /* !WIN32 */
13774 char string[MSG_SIZ];
13776 if ( cmailMailedMove
13777 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13778 return TRUE; /* Allow free viewing */
13781 /* Unregister move to ensure that we don't leave RegisterMove */
13782 /* with the move registered when the conditions for registering no */
13784 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13785 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13786 nCmailMovesRegistered --;
13788 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13790 free(cmailCommentList[lastLoadGameNumber - 1]);
13791 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13795 if (cmailOldMove == -1) {
13796 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13800 if (currentMove > cmailOldMove + 1) {
13801 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13805 if (currentMove < cmailOldMove) {
13806 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13810 if (forwardMostMove > currentMove) {
13811 /* Silently truncate extra moves */
13815 if ( (currentMove == cmailOldMove + 1)
13816 || ( (currentMove == cmailOldMove)
13817 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13818 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13819 if (gameInfo.result != GameUnfinished) {
13820 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13823 if (commentList[currentMove] != NULL) {
13824 cmailCommentList[lastLoadGameNumber - 1]
13825 = StrSave(commentList[currentMove]);
13827 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13829 if (appData.debugMode)
13830 fprintf(debugFP, "Saving %s for game %d\n",
13831 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13833 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13835 f = fopen(string, "w");
13836 if (appData.oldSaveStyle) {
13837 SaveGameOldStyle(f); /* also closes the file */
13839 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13840 f = fopen(string, "w");
13841 SavePosition(f, 0, NULL); /* also closes the file */
13843 fprintf(f, "{--------------\n");
13844 PrintPosition(f, currentMove);
13845 fprintf(f, "--------------}\n\n");
13847 SaveGame(f, 0, NULL); /* also closes the file*/
13850 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13851 nCmailMovesRegistered ++;
13852 } else if (nCmailGames == 1) {
13853 DisplayError(_("You have not made a move yet"), 0);
13864 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13865 FILE *commandOutput;
13866 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13867 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13873 if (! cmailMsgLoaded) {
13874 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13878 if (nCmailGames == nCmailResults) {
13879 DisplayError(_("No unfinished games"), 0);
13883 #if CMAIL_PROHIBIT_REMAIL
13884 if (cmailMailedMove) {
13885 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);
13886 DisplayError(msg, 0);
13891 if (! (cmailMailedMove || RegisterMove())) return;
13893 if ( cmailMailedMove
13894 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13895 snprintf(string, MSG_SIZ, partCommandString,
13896 appData.debugMode ? " -v" : "", appData.cmailGameName);
13897 commandOutput = popen(string, "r");
13899 if (commandOutput == NULL) {
13900 DisplayError(_("Failed to invoke cmail"), 0);
13902 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13903 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13905 if (nBuffers > 1) {
13906 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13907 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13908 nBytes = MSG_SIZ - 1;
13910 (void) memcpy(msg, buffer, nBytes);
13912 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13914 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13915 cmailMailedMove = TRUE; /* Prevent >1 moves */
13918 for (i = 0; i < nCmailGames; i ++) {
13919 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13924 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13926 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13928 appData.cmailGameName,
13930 LoadGameFromFile(buffer, 1, buffer, FALSE);
13931 cmailMsgLoaded = FALSE;
13935 DisplayInformation(msg);
13936 pclose(commandOutput);
13939 if ((*cmailMsg) != '\0') {
13940 DisplayInformation(cmailMsg);
13945 #endif /* !WIN32 */
13954 int prependComma = 0;
13956 char string[MSG_SIZ]; /* Space for game-list */
13959 if (!cmailMsgLoaded) return "";
13961 if (cmailMailedMove) {
13962 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13964 /* Create a list of games left */
13965 snprintf(string, MSG_SIZ, "[");
13966 for (i = 0; i < nCmailGames; i ++) {
13967 if (! ( cmailMoveRegistered[i]
13968 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13969 if (prependComma) {
13970 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13972 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13976 strcat(string, number);
13979 strcat(string, "]");
13981 if (nCmailMovesRegistered + nCmailResults == 0) {
13982 switch (nCmailGames) {
13984 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13988 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13992 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13997 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13999 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14004 if (nCmailResults == nCmailGames) {
14005 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14007 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14012 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14024 if (gameMode == Training)
14025 SetTrainingModeOff();
14028 cmailMsgLoaded = FALSE;
14029 if (appData.icsActive) {
14030 SendToICS(ics_prefix);
14031 SendToICS("refresh\n");
14036 ExitEvent (int status)
14040 /* Give up on clean exit */
14044 /* Keep trying for clean exit */
14048 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14049 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14051 if (telnetISR != NULL) {
14052 RemoveInputSource(telnetISR);
14054 if (icsPR != NoProc) {
14055 DestroyChildProcess(icsPR, TRUE);
14058 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14059 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14061 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14062 /* make sure this other one finishes before killing it! */
14063 if(endingGame) { int count = 0;
14064 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14065 while(endingGame && count++ < 10) DoSleep(1);
14066 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14069 /* Kill off chess programs */
14070 if (first.pr != NoProc) {
14073 DoSleep( appData.delayBeforeQuit );
14074 SendToProgram("quit\n", &first);
14075 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14077 if (second.pr != NoProc) {
14078 DoSleep( appData.delayBeforeQuit );
14079 SendToProgram("quit\n", &second);
14080 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14082 if (first.isr != NULL) {
14083 RemoveInputSource(first.isr);
14085 if (second.isr != NULL) {
14086 RemoveInputSource(second.isr);
14089 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14090 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14092 ShutDownFrontEnd();
14097 PauseEngine (ChessProgramState *cps)
14099 SendToProgram("pause\n", cps);
14104 UnPauseEngine (ChessProgramState *cps)
14106 SendToProgram("resume\n", cps);
14113 if (appData.debugMode)
14114 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14118 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14120 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14121 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14122 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14124 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14125 HandleMachineMove(stashedInputMove, stalledEngine);
14126 stalledEngine = NULL;
14129 if (gameMode == MachinePlaysWhite ||
14130 gameMode == TwoMachinesPlay ||
14131 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14132 if(first.pause) UnPauseEngine(&first);
14133 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14134 if(second.pause) UnPauseEngine(&second);
14135 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14138 DisplayBothClocks();
14140 if (gameMode == PlayFromGameFile) {
14141 if (appData.timeDelay >= 0)
14142 AutoPlayGameLoop();
14143 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14144 Reset(FALSE, TRUE);
14145 SendToICS(ics_prefix);
14146 SendToICS("refresh\n");
14147 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14148 ForwardInner(forwardMostMove);
14150 pauseExamInvalid = FALSE;
14152 switch (gameMode) {
14156 pauseExamForwardMostMove = forwardMostMove;
14157 pauseExamInvalid = FALSE;
14160 case IcsPlayingWhite:
14161 case IcsPlayingBlack:
14165 case PlayFromGameFile:
14166 (void) StopLoadGameTimer();
14170 case BeginningOfGame:
14171 if (appData.icsActive) return;
14172 /* else fall through */
14173 case MachinePlaysWhite:
14174 case MachinePlaysBlack:
14175 case TwoMachinesPlay:
14176 if (forwardMostMove == 0)
14177 return; /* don't pause if no one has moved */
14178 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14179 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14180 if(onMove->pause) { // thinking engine can be paused
14181 PauseEngine(onMove); // do it
14182 if(onMove->other->pause) // pondering opponent can always be paused immediately
14183 PauseEngine(onMove->other);
14185 SendToProgram("easy\n", onMove->other);
14187 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14188 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14190 PauseEngine(&first);
14192 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14193 } else { // human on move, pause pondering by either method
14195 PauseEngine(&first);
14196 else if(appData.ponderNextMove)
14197 SendToProgram("easy\n", &first);
14200 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14210 EditCommentEvent ()
14212 char title[MSG_SIZ];
14214 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14215 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14217 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14218 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14219 parseList[currentMove - 1]);
14222 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14229 char *tags = PGNTags(&gameInfo);
14231 EditTagsPopUp(tags, NULL);
14238 if(second.analyzing) {
14239 SendToProgram("exit\n", &second);
14240 second.analyzing = FALSE;
14242 if (second.pr == NoProc) StartChessProgram(&second);
14243 InitChessProgram(&second, FALSE);
14244 FeedMovesToProgram(&second, currentMove);
14246 SendToProgram("analyze\n", &second);
14247 second.analyzing = TRUE;
14251 /* Toggle ShowThinking */
14253 ToggleShowThinking()
14255 appData.showThinking = !appData.showThinking;
14256 ShowThinkingEvent();
14260 AnalyzeModeEvent ()
14264 if (!first.analysisSupport) {
14265 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14266 DisplayError(buf, 0);
14269 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14270 if (appData.icsActive) {
14271 if (gameMode != IcsObserving) {
14272 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14273 DisplayError(buf, 0);
14275 if (appData.icsEngineAnalyze) {
14276 if (appData.debugMode)
14277 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14283 /* if enable, user wants to disable icsEngineAnalyze */
14284 if (appData.icsEngineAnalyze) {
14289 appData.icsEngineAnalyze = TRUE;
14290 if (appData.debugMode)
14291 fprintf(debugFP, "ICS engine analyze starting... \n");
14294 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14295 if (appData.noChessProgram || gameMode == AnalyzeMode)
14298 if (gameMode != AnalyzeFile) {
14299 if (!appData.icsEngineAnalyze) {
14301 if (gameMode != EditGame) return 0;
14303 if (!appData.showThinking) ToggleShowThinking();
14304 ResurrectChessProgram();
14305 SendToProgram("analyze\n", &first);
14306 first.analyzing = TRUE;
14307 /*first.maybeThinking = TRUE;*/
14308 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14309 EngineOutputPopUp();
14311 if (!appData.icsEngineAnalyze) {
14312 gameMode = AnalyzeMode;
14313 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14319 StartAnalysisClock();
14320 GetTimeMark(&lastNodeCountTime);
14326 AnalyzeFileEvent ()
14328 if (appData.noChessProgram || gameMode == AnalyzeFile)
14331 if (!first.analysisSupport) {
14333 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14334 DisplayError(buf, 0);
14338 if (gameMode != AnalyzeMode) {
14339 keepInfo = 1; // mere annotating should not alter PGN tags
14342 if (gameMode != EditGame) return;
14343 if (!appData.showThinking) ToggleShowThinking();
14344 ResurrectChessProgram();
14345 SendToProgram("analyze\n", &first);
14346 first.analyzing = TRUE;
14347 /*first.maybeThinking = TRUE;*/
14348 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14349 EngineOutputPopUp();
14351 gameMode = AnalyzeFile;
14355 StartAnalysisClock();
14356 GetTimeMark(&lastNodeCountTime);
14358 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14359 AnalysisPeriodicEvent(1);
14363 MachineWhiteEvent ()
14366 char *bookHit = NULL;
14368 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14372 if (gameMode == PlayFromGameFile ||
14373 gameMode == TwoMachinesPlay ||
14374 gameMode == Training ||
14375 gameMode == AnalyzeMode ||
14376 gameMode == EndOfGame)
14379 if (gameMode == EditPosition)
14380 EditPositionDone(TRUE);
14382 if (!WhiteOnMove(currentMove)) {
14383 DisplayError(_("It is not White's turn"), 0);
14387 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14390 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14391 gameMode == AnalyzeFile)
14394 ResurrectChessProgram(); /* in case it isn't running */
14395 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14396 gameMode = MachinePlaysWhite;
14399 gameMode = MachinePlaysWhite;
14403 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14405 if (first.sendName) {
14406 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14407 SendToProgram(buf, &first);
14409 if (first.sendTime) {
14410 if (first.useColors) {
14411 SendToProgram("black\n", &first); /*gnu kludge*/
14413 SendTimeRemaining(&first, TRUE);
14415 if (first.useColors) {
14416 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14418 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14419 SetMachineThinkingEnables();
14420 first.maybeThinking = TRUE;
14424 if (appData.autoFlipView && !flipView) {
14425 flipView = !flipView;
14426 DrawPosition(FALSE, NULL);
14427 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14430 if(bookHit) { // [HGM] book: simulate book reply
14431 static char bookMove[MSG_SIZ]; // a bit generous?
14433 programStats.nodes = programStats.depth = programStats.time =
14434 programStats.score = programStats.got_only_move = 0;
14435 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14437 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14438 strcat(bookMove, bookHit);
14439 HandleMachineMove(bookMove, &first);
14444 MachineBlackEvent ()
14447 char *bookHit = NULL;
14449 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14453 if (gameMode == PlayFromGameFile ||
14454 gameMode == TwoMachinesPlay ||
14455 gameMode == Training ||
14456 gameMode == AnalyzeMode ||
14457 gameMode == EndOfGame)
14460 if (gameMode == EditPosition)
14461 EditPositionDone(TRUE);
14463 if (WhiteOnMove(currentMove)) {
14464 DisplayError(_("It is not Black's turn"), 0);
14468 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14471 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14472 gameMode == AnalyzeFile)
14475 ResurrectChessProgram(); /* in case it isn't running */
14476 gameMode = MachinePlaysBlack;
14480 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14482 if (first.sendName) {
14483 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14484 SendToProgram(buf, &first);
14486 if (first.sendTime) {
14487 if (first.useColors) {
14488 SendToProgram("white\n", &first); /*gnu kludge*/
14490 SendTimeRemaining(&first, FALSE);
14492 if (first.useColors) {
14493 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14495 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14496 SetMachineThinkingEnables();
14497 first.maybeThinking = TRUE;
14500 if (appData.autoFlipView && flipView) {
14501 flipView = !flipView;
14502 DrawPosition(FALSE, NULL);
14503 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14505 if(bookHit) { // [HGM] book: simulate book reply
14506 static char bookMove[MSG_SIZ]; // a bit generous?
14508 programStats.nodes = programStats.depth = programStats.time =
14509 programStats.score = programStats.got_only_move = 0;
14510 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14512 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14513 strcat(bookMove, bookHit);
14514 HandleMachineMove(bookMove, &first);
14520 DisplayTwoMachinesTitle ()
14523 if (appData.matchGames > 0) {
14524 if(appData.tourneyFile[0]) {
14525 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14526 gameInfo.white, _("vs."), gameInfo.black,
14527 nextGame+1, appData.matchGames+1,
14528 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14530 if (first.twoMachinesColor[0] == 'w') {
14531 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14532 gameInfo.white, _("vs."), gameInfo.black,
14533 first.matchWins, second.matchWins,
14534 matchGame - 1 - (first.matchWins + second.matchWins));
14536 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14537 gameInfo.white, _("vs."), gameInfo.black,
14538 second.matchWins, first.matchWins,
14539 matchGame - 1 - (first.matchWins + second.matchWins));
14542 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14548 SettingsMenuIfReady ()
14550 if (second.lastPing != second.lastPong) {
14551 DisplayMessage("", _("Waiting for second chess program"));
14552 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14556 DisplayMessage("", "");
14557 SettingsPopUp(&second);
14561 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14564 if (cps->pr == NoProc) {
14565 StartChessProgram(cps);
14566 if (cps->protocolVersion == 1) {
14568 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14570 /* kludge: allow timeout for initial "feature" command */
14571 if(retry != TwoMachinesEventIfReady) FreezeUI();
14572 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14573 DisplayMessage("", buf);
14574 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14582 TwoMachinesEvent P((void))
14586 ChessProgramState *onmove;
14587 char *bookHit = NULL;
14588 static int stalling = 0;
14592 if (appData.noChessProgram) return;
14594 switch (gameMode) {
14595 case TwoMachinesPlay:
14597 case MachinePlaysWhite:
14598 case MachinePlaysBlack:
14599 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14600 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14604 case BeginningOfGame:
14605 case PlayFromGameFile:
14608 if (gameMode != EditGame) return;
14611 EditPositionDone(TRUE);
14622 // forwardMostMove = currentMove;
14623 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14624 startingEngine = TRUE;
14626 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14628 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14629 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14630 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14633 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14635 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14636 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14637 startingEngine = FALSE;
14638 DisplayError("second engine does not play this", 0);
14643 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14644 SendToProgram("force\n", &second);
14646 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14649 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14650 if(appData.matchPause>10000 || appData.matchPause<10)
14651 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14652 wait = SubtractTimeMarks(&now, &pauseStart);
14653 if(wait < appData.matchPause) {
14654 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14657 // we are now committed to starting the game
14659 DisplayMessage("", "");
14660 if (startedFromSetupPosition) {
14661 SendBoard(&second, backwardMostMove);
14662 if (appData.debugMode) {
14663 fprintf(debugFP, "Two Machines\n");
14666 for (i = backwardMostMove; i < forwardMostMove; i++) {
14667 SendMoveToProgram(i, &second);
14670 gameMode = TwoMachinesPlay;
14671 pausing = startingEngine = FALSE;
14672 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14674 DisplayTwoMachinesTitle();
14676 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14681 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14682 SendToProgram(first.computerString, &first);
14683 if (first.sendName) {
14684 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14685 SendToProgram(buf, &first);
14687 SendToProgram(second.computerString, &second);
14688 if (second.sendName) {
14689 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14690 SendToProgram(buf, &second);
14694 if (!first.sendTime || !second.sendTime) {
14695 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14696 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14698 if (onmove->sendTime) {
14699 if (onmove->useColors) {
14700 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14702 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14704 if (onmove->useColors) {
14705 SendToProgram(onmove->twoMachinesColor, onmove);
14707 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14708 // SendToProgram("go\n", onmove);
14709 onmove->maybeThinking = TRUE;
14710 SetMachineThinkingEnables();
14714 if(bookHit) { // [HGM] book: simulate book reply
14715 static char bookMove[MSG_SIZ]; // a bit generous?
14717 programStats.nodes = programStats.depth = programStats.time =
14718 programStats.score = programStats.got_only_move = 0;
14719 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14721 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14722 strcat(bookMove, bookHit);
14723 savedMessage = bookMove; // args for deferred call
14724 savedState = onmove;
14725 ScheduleDelayedEvent(DeferredBookMove, 1);
14732 if (gameMode == Training) {
14733 SetTrainingModeOff();
14734 gameMode = PlayFromGameFile;
14735 DisplayMessage("", _("Training mode off"));
14737 gameMode = Training;
14738 animateTraining = appData.animate;
14740 /* make sure we are not already at the end of the game */
14741 if (currentMove < forwardMostMove) {
14742 SetTrainingModeOn();
14743 DisplayMessage("", _("Training mode on"));
14745 gameMode = PlayFromGameFile;
14746 DisplayError(_("Already at end of game"), 0);
14755 if (!appData.icsActive) return;
14756 switch (gameMode) {
14757 case IcsPlayingWhite:
14758 case IcsPlayingBlack:
14761 case BeginningOfGame:
14769 EditPositionDone(TRUE);
14782 gameMode = IcsIdle;
14792 switch (gameMode) {
14794 SetTrainingModeOff();
14796 case MachinePlaysWhite:
14797 case MachinePlaysBlack:
14798 case BeginningOfGame:
14799 SendToProgram("force\n", &first);
14800 SetUserThinkingEnables();
14802 case PlayFromGameFile:
14803 (void) StopLoadGameTimer();
14804 if (gameFileFP != NULL) {
14809 EditPositionDone(TRUE);
14814 SendToProgram("force\n", &first);
14816 case TwoMachinesPlay:
14817 GameEnds(EndOfFile, NULL, GE_PLAYER);
14818 ResurrectChessProgram();
14819 SetUserThinkingEnables();
14822 ResurrectChessProgram();
14824 case IcsPlayingBlack:
14825 case IcsPlayingWhite:
14826 DisplayError(_("Warning: You are still playing a game"), 0);
14829 DisplayError(_("Warning: You are still observing a game"), 0);
14832 DisplayError(_("Warning: You are still examining a game"), 0);
14843 first.offeredDraw = second.offeredDraw = 0;
14845 if (gameMode == PlayFromGameFile) {
14846 whiteTimeRemaining = timeRemaining[0][currentMove];
14847 blackTimeRemaining = timeRemaining[1][currentMove];
14851 if (gameMode == MachinePlaysWhite ||
14852 gameMode == MachinePlaysBlack ||
14853 gameMode == TwoMachinesPlay ||
14854 gameMode == EndOfGame) {
14855 i = forwardMostMove;
14856 while (i > currentMove) {
14857 SendToProgram("undo\n", &first);
14860 if(!adjustedClock) {
14861 whiteTimeRemaining = timeRemaining[0][currentMove];
14862 blackTimeRemaining = timeRemaining[1][currentMove];
14863 DisplayBothClocks();
14865 if (whiteFlag || blackFlag) {
14866 whiteFlag = blackFlag = 0;
14871 gameMode = EditGame;
14878 EditPositionEvent ()
14880 if (gameMode == EditPosition) {
14886 if (gameMode != EditGame) return;
14888 gameMode = EditPosition;
14891 if (currentMove > 0)
14892 CopyBoard(boards[0], boards[currentMove]);
14894 blackPlaysFirst = !WhiteOnMove(currentMove);
14896 currentMove = forwardMostMove = backwardMostMove = 0;
14897 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14899 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14905 /* [DM] icsEngineAnalyze - possible call from other functions */
14906 if (appData.icsEngineAnalyze) {
14907 appData.icsEngineAnalyze = FALSE;
14909 DisplayMessage("",_("Close ICS engine analyze..."));
14911 if (first.analysisSupport && first.analyzing) {
14912 SendToBoth("exit\n");
14913 first.analyzing = second.analyzing = FALSE;
14915 thinkOutput[0] = NULLCHAR;
14919 EditPositionDone (Boolean fakeRights)
14921 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14923 startedFromSetupPosition = TRUE;
14924 InitChessProgram(&first, FALSE);
14925 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14926 boards[0][EP_STATUS] = EP_NONE;
14927 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14928 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14929 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14930 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14931 } else boards[0][CASTLING][2] = NoRights;
14932 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14933 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14934 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14935 } else boards[0][CASTLING][5] = NoRights;
14936 if(gameInfo.variant == VariantSChess) {
14938 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14939 boards[0][VIRGIN][i] = 0;
14940 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14941 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14945 SendToProgram("force\n", &first);
14946 if (blackPlaysFirst) {
14947 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14948 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14949 currentMove = forwardMostMove = backwardMostMove = 1;
14950 CopyBoard(boards[1], boards[0]);
14952 currentMove = forwardMostMove = backwardMostMove = 0;
14954 SendBoard(&first, forwardMostMove);
14955 if (appData.debugMode) {
14956 fprintf(debugFP, "EditPosDone\n");
14959 DisplayMessage("", "");
14960 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14961 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14962 gameMode = EditGame;
14964 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14965 ClearHighlights(); /* [AS] */
14968 /* Pause for `ms' milliseconds */
14969 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14971 TimeDelay (long ms)
14978 } while (SubtractTimeMarks(&m2, &m1) < ms);
14981 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14983 SendMultiLineToICS (char *buf)
14985 char temp[MSG_SIZ+1], *p;
14992 strncpy(temp, buf, len);
14997 if (*p == '\n' || *p == '\r')
15002 strcat(temp, "\n");
15004 SendToPlayer(temp, strlen(temp));
15008 SetWhiteToPlayEvent ()
15010 if (gameMode == EditPosition) {
15011 blackPlaysFirst = FALSE;
15012 DisplayBothClocks(); /* works because currentMove is 0 */
15013 } else if (gameMode == IcsExamining) {
15014 SendToICS(ics_prefix);
15015 SendToICS("tomove white\n");
15020 SetBlackToPlayEvent ()
15022 if (gameMode == EditPosition) {
15023 blackPlaysFirst = TRUE;
15024 currentMove = 1; /* kludge */
15025 DisplayBothClocks();
15027 } else if (gameMode == IcsExamining) {
15028 SendToICS(ics_prefix);
15029 SendToICS("tomove black\n");
15034 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15037 ChessSquare piece = boards[0][y][x];
15038 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15039 static int lastVariant;
15041 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15043 switch (selection) {
15045 CopyBoard(currentBoard, boards[0]);
15046 CopyBoard(menuBoard, initialPosition);
15047 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15048 SendToICS(ics_prefix);
15049 SendToICS("bsetup clear\n");
15050 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15051 SendToICS(ics_prefix);
15052 SendToICS("clearboard\n");
15055 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15056 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15057 for (y = 0; y < BOARD_HEIGHT; y++) {
15058 if (gameMode == IcsExamining) {
15059 if (boards[currentMove][y][x] != EmptySquare) {
15060 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15065 if(boards[0][y][x] != p) nonEmpty++;
15066 boards[0][y][x] = p;
15070 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15072 for(r = 0; r < BOARD_HEIGHT; r++) {
15073 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15074 ChessSquare p = menuBoard[r][x];
15075 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15078 DisplayMessage("Clicking clock again restores position", "");
15079 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15080 if(!nonEmpty) { // asked to clear an empty board
15081 CopyBoard(boards[0], menuBoard);
15083 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15084 CopyBoard(boards[0], initialPosition);
15086 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15087 && !CompareBoards(nullBoard, erasedBoard)) {
15088 CopyBoard(boards[0], erasedBoard);
15090 CopyBoard(erasedBoard, currentBoard);
15094 if (gameMode == EditPosition) {
15095 DrawPosition(FALSE, boards[0]);
15100 SetWhiteToPlayEvent();
15104 SetBlackToPlayEvent();
15108 if (gameMode == IcsExamining) {
15109 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15110 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15113 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15114 if(x == BOARD_LEFT-2) {
15115 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15116 boards[0][y][1] = 0;
15118 if(x == BOARD_RGHT+1) {
15119 if(y >= gameInfo.holdingsSize) break;
15120 boards[0][y][BOARD_WIDTH-2] = 0;
15123 boards[0][y][x] = EmptySquare;
15124 DrawPosition(FALSE, boards[0]);
15129 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15130 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15131 selection = (ChessSquare) (PROMOTED piece);
15132 } else if(piece == EmptySquare) selection = WhiteSilver;
15133 else selection = (ChessSquare)((int)piece - 1);
15137 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15138 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15139 selection = (ChessSquare) (DEMOTED piece);
15140 } else if(piece == EmptySquare) selection = BlackSilver;
15141 else selection = (ChessSquare)((int)piece + 1);
15146 if(gameInfo.variant == VariantShatranj ||
15147 gameInfo.variant == VariantXiangqi ||
15148 gameInfo.variant == VariantCourier ||
15149 gameInfo.variant == VariantASEAN ||
15150 gameInfo.variant == VariantMakruk )
15151 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15156 if(gameInfo.variant == VariantXiangqi)
15157 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15158 if(gameInfo.variant == VariantKnightmate)
15159 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15162 if (gameMode == IcsExamining) {
15163 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15164 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15165 PieceToChar(selection), AAA + x, ONE + y);
15168 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15170 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15171 n = PieceToNumber(selection - BlackPawn);
15172 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15173 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15174 boards[0][BOARD_HEIGHT-1-n][1]++;
15176 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15177 n = PieceToNumber(selection);
15178 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15179 boards[0][n][BOARD_WIDTH-1] = selection;
15180 boards[0][n][BOARD_WIDTH-2]++;
15183 boards[0][y][x] = selection;
15184 DrawPosition(TRUE, boards[0]);
15186 fromX = fromY = -1;
15194 DropMenuEvent (ChessSquare selection, int x, int y)
15196 ChessMove moveType;
15198 switch (gameMode) {
15199 case IcsPlayingWhite:
15200 case MachinePlaysBlack:
15201 if (!WhiteOnMove(currentMove)) {
15202 DisplayMoveError(_("It is Black's turn"));
15205 moveType = WhiteDrop;
15207 case IcsPlayingBlack:
15208 case MachinePlaysWhite:
15209 if (WhiteOnMove(currentMove)) {
15210 DisplayMoveError(_("It is White's turn"));
15213 moveType = BlackDrop;
15216 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15222 if (moveType == BlackDrop && selection < BlackPawn) {
15223 selection = (ChessSquare) ((int) selection
15224 + (int) BlackPawn - (int) WhitePawn);
15226 if (boards[currentMove][y][x] != EmptySquare) {
15227 DisplayMoveError(_("That square is occupied"));
15231 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15237 /* Accept a pending offer of any kind from opponent */
15239 if (appData.icsActive) {
15240 SendToICS(ics_prefix);
15241 SendToICS("accept\n");
15242 } else if (cmailMsgLoaded) {
15243 if (currentMove == cmailOldMove &&
15244 commentList[cmailOldMove] != NULL &&
15245 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15246 "Black offers a draw" : "White offers a draw")) {
15248 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15249 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15251 DisplayError(_("There is no pending offer on this move"), 0);
15252 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15255 /* Not used for offers from chess program */
15262 /* Decline a pending offer of any kind from opponent */
15264 if (appData.icsActive) {
15265 SendToICS(ics_prefix);
15266 SendToICS("decline\n");
15267 } else if (cmailMsgLoaded) {
15268 if (currentMove == cmailOldMove &&
15269 commentList[cmailOldMove] != NULL &&
15270 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15271 "Black offers a draw" : "White offers a draw")) {
15273 AppendComment(cmailOldMove, "Draw declined", TRUE);
15274 DisplayComment(cmailOldMove - 1, "Draw declined");
15277 DisplayError(_("There is no pending offer on this move"), 0);
15280 /* Not used for offers from chess program */
15287 /* Issue ICS rematch command */
15288 if (appData.icsActive) {
15289 SendToICS(ics_prefix);
15290 SendToICS("rematch\n");
15297 /* Call your opponent's flag (claim a win on time) */
15298 if (appData.icsActive) {
15299 SendToICS(ics_prefix);
15300 SendToICS("flag\n");
15302 switch (gameMode) {
15305 case MachinePlaysWhite:
15308 GameEnds(GameIsDrawn, "Both players ran out of time",
15311 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15313 DisplayError(_("Your opponent is not out of time"), 0);
15316 case MachinePlaysBlack:
15319 GameEnds(GameIsDrawn, "Both players ran out of time",
15322 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15324 DisplayError(_("Your opponent is not out of time"), 0);
15332 ClockClick (int which)
15333 { // [HGM] code moved to back-end from winboard.c
15334 if(which) { // black clock
15335 if (gameMode == EditPosition || gameMode == IcsExamining) {
15336 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15337 SetBlackToPlayEvent();
15338 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15339 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15340 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15341 } else if (shiftKey) {
15342 AdjustClock(which, -1);
15343 } else if (gameMode == IcsPlayingWhite ||
15344 gameMode == MachinePlaysBlack) {
15347 } else { // white clock
15348 if (gameMode == EditPosition || gameMode == IcsExamining) {
15349 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15350 SetWhiteToPlayEvent();
15351 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15352 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15353 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15354 } else if (shiftKey) {
15355 AdjustClock(which, -1);
15356 } else if (gameMode == IcsPlayingBlack ||
15357 gameMode == MachinePlaysWhite) {
15366 /* Offer draw or accept pending draw offer from opponent */
15368 if (appData.icsActive) {
15369 /* Note: tournament rules require draw offers to be
15370 made after you make your move but before you punch
15371 your clock. Currently ICS doesn't let you do that;
15372 instead, you immediately punch your clock after making
15373 a move, but you can offer a draw at any time. */
15375 SendToICS(ics_prefix);
15376 SendToICS("draw\n");
15377 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15378 } else if (cmailMsgLoaded) {
15379 if (currentMove == cmailOldMove &&
15380 commentList[cmailOldMove] != NULL &&
15381 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15382 "Black offers a draw" : "White offers a draw")) {
15383 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15384 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15385 } else if (currentMove == cmailOldMove + 1) {
15386 char *offer = WhiteOnMove(cmailOldMove) ?
15387 "White offers a draw" : "Black offers a draw";
15388 AppendComment(currentMove, offer, TRUE);
15389 DisplayComment(currentMove - 1, offer);
15390 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15392 DisplayError(_("You must make your move before offering a draw"), 0);
15393 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15395 } else if (first.offeredDraw) {
15396 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15398 if (first.sendDrawOffers) {
15399 SendToProgram("draw\n", &first);
15400 userOfferedDraw = TRUE;
15408 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15410 if (appData.icsActive) {
15411 SendToICS(ics_prefix);
15412 SendToICS("adjourn\n");
15414 /* Currently GNU Chess doesn't offer or accept Adjourns */
15422 /* Offer Abort or accept pending Abort offer from opponent */
15424 if (appData.icsActive) {
15425 SendToICS(ics_prefix);
15426 SendToICS("abort\n");
15428 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15435 /* Resign. You can do this even if it's not your turn. */
15437 if (appData.icsActive) {
15438 SendToICS(ics_prefix);
15439 SendToICS("resign\n");
15441 switch (gameMode) {
15442 case MachinePlaysWhite:
15443 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15445 case MachinePlaysBlack:
15446 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15449 if (cmailMsgLoaded) {
15451 if (WhiteOnMove(cmailOldMove)) {
15452 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15454 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15456 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15467 StopObservingEvent ()
15469 /* Stop observing current games */
15470 SendToICS(ics_prefix);
15471 SendToICS("unobserve\n");
15475 StopExaminingEvent ()
15477 /* Stop observing current game */
15478 SendToICS(ics_prefix);
15479 SendToICS("unexamine\n");
15483 ForwardInner (int target)
15485 int limit; int oldSeekGraphUp = seekGraphUp;
15487 if (appData.debugMode)
15488 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15489 target, currentMove, forwardMostMove);
15491 if (gameMode == EditPosition)
15494 seekGraphUp = FALSE;
15495 MarkTargetSquares(1);
15497 if (gameMode == PlayFromGameFile && !pausing)
15500 if (gameMode == IcsExamining && pausing)
15501 limit = pauseExamForwardMostMove;
15503 limit = forwardMostMove;
15505 if (target > limit) target = limit;
15507 if (target > 0 && moveList[target - 1][0]) {
15508 int fromX, fromY, toX, toY;
15509 toX = moveList[target - 1][2] - AAA;
15510 toY = moveList[target - 1][3] - ONE;
15511 if (moveList[target - 1][1] == '@') {
15512 if (appData.highlightLastMove) {
15513 SetHighlights(-1, -1, toX, toY);
15516 int viaX = moveList[target - 1][5] - AAA;
15517 int viaY = moveList[target - 1][6] - ONE;
15518 fromX = moveList[target - 1][0] - AAA;
15519 fromY = moveList[target - 1][1] - ONE;
15520 if (target == currentMove + 1) {
15521 if(moveList[target - 1][4] == ';') { // multi-leg
15522 ChessSquare piece = boards[currentMove][viaY][viaX];
15523 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15524 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15525 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15526 boards[currentMove][viaY][viaX] = piece;
15528 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15530 if (appData.highlightLastMove) {
15531 SetHighlights(fromX, fromY, toX, toY);
15535 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15536 gameMode == Training || gameMode == PlayFromGameFile ||
15537 gameMode == AnalyzeFile) {
15538 while (currentMove < target) {
15539 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15540 SendMoveToProgram(currentMove++, &first);
15543 currentMove = target;
15546 if (gameMode == EditGame || gameMode == EndOfGame) {
15547 whiteTimeRemaining = timeRemaining[0][currentMove];
15548 blackTimeRemaining = timeRemaining[1][currentMove];
15550 DisplayBothClocks();
15551 DisplayMove(currentMove - 1);
15552 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15553 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15554 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15555 DisplayComment(currentMove - 1, commentList[currentMove]);
15557 ClearMap(); // [HGM] exclude: invalidate map
15564 if (gameMode == IcsExamining && !pausing) {
15565 SendToICS(ics_prefix);
15566 SendToICS("forward\n");
15568 ForwardInner(currentMove + 1);
15575 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15576 /* to optimze, we temporarily turn off analysis mode while we feed
15577 * the remaining moves to the engine. Otherwise we get analysis output
15580 if (first.analysisSupport) {
15581 SendToProgram("exit\nforce\n", &first);
15582 first.analyzing = FALSE;
15586 if (gameMode == IcsExamining && !pausing) {
15587 SendToICS(ics_prefix);
15588 SendToICS("forward 999999\n");
15590 ForwardInner(forwardMostMove);
15593 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15594 /* we have fed all the moves, so reactivate analysis mode */
15595 SendToProgram("analyze\n", &first);
15596 first.analyzing = TRUE;
15597 /*first.maybeThinking = TRUE;*/
15598 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15603 BackwardInner (int target)
15605 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15607 if (appData.debugMode)
15608 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15609 target, currentMove, forwardMostMove);
15611 if (gameMode == EditPosition) return;
15612 seekGraphUp = FALSE;
15613 MarkTargetSquares(1);
15614 if (currentMove <= backwardMostMove) {
15616 DrawPosition(full_redraw, boards[currentMove]);
15619 if (gameMode == PlayFromGameFile && !pausing)
15622 if (moveList[target][0]) {
15623 int fromX, fromY, toX, toY;
15624 toX = moveList[target][2] - AAA;
15625 toY = moveList[target][3] - ONE;
15626 if (moveList[target][1] == '@') {
15627 if (appData.highlightLastMove) {
15628 SetHighlights(-1, -1, toX, toY);
15631 fromX = moveList[target][0] - AAA;
15632 fromY = moveList[target][1] - ONE;
15633 if (target == currentMove - 1) {
15634 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15636 if (appData.highlightLastMove) {
15637 SetHighlights(fromX, fromY, toX, toY);
15641 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15642 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15643 while (currentMove > target) {
15644 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15645 // null move cannot be undone. Reload program with move history before it.
15647 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15648 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15650 SendBoard(&first, i);
15651 if(second.analyzing) SendBoard(&second, i);
15652 for(currentMove=i; currentMove<target; currentMove++) {
15653 SendMoveToProgram(currentMove, &first);
15654 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15658 SendToBoth("undo\n");
15662 currentMove = target;
15665 if (gameMode == EditGame || gameMode == EndOfGame) {
15666 whiteTimeRemaining = timeRemaining[0][currentMove];
15667 blackTimeRemaining = timeRemaining[1][currentMove];
15669 DisplayBothClocks();
15670 DisplayMove(currentMove - 1);
15671 DrawPosition(full_redraw, boards[currentMove]);
15672 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15673 // [HGM] PV info: routine tests if comment empty
15674 DisplayComment(currentMove - 1, commentList[currentMove]);
15675 ClearMap(); // [HGM] exclude: invalidate map
15681 if (gameMode == IcsExamining && !pausing) {
15682 SendToICS(ics_prefix);
15683 SendToICS("backward\n");
15685 BackwardInner(currentMove - 1);
15692 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15693 /* to optimize, we temporarily turn off analysis mode while we undo
15694 * all the moves. Otherwise we get analysis output after each undo.
15696 if (first.analysisSupport) {
15697 SendToProgram("exit\nforce\n", &first);
15698 first.analyzing = FALSE;
15702 if (gameMode == IcsExamining && !pausing) {
15703 SendToICS(ics_prefix);
15704 SendToICS("backward 999999\n");
15706 BackwardInner(backwardMostMove);
15709 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15710 /* we have fed all the moves, so reactivate analysis mode */
15711 SendToProgram("analyze\n", &first);
15712 first.analyzing = TRUE;
15713 /*first.maybeThinking = TRUE;*/
15714 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15721 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15722 if (to >= forwardMostMove) to = forwardMostMove;
15723 if (to <= backwardMostMove) to = backwardMostMove;
15724 if (to < currentMove) {
15732 RevertEvent (Boolean annotate)
15734 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15737 if (gameMode != IcsExamining) {
15738 DisplayError(_("You are not examining a game"), 0);
15742 DisplayError(_("You can't revert while pausing"), 0);
15745 SendToICS(ics_prefix);
15746 SendToICS("revert\n");
15750 RetractMoveEvent ()
15752 switch (gameMode) {
15753 case MachinePlaysWhite:
15754 case MachinePlaysBlack:
15755 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15756 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15759 if (forwardMostMove < 2) return;
15760 currentMove = forwardMostMove = forwardMostMove - 2;
15761 whiteTimeRemaining = timeRemaining[0][currentMove];
15762 blackTimeRemaining = timeRemaining[1][currentMove];
15763 DisplayBothClocks();
15764 DisplayMove(currentMove - 1);
15765 ClearHighlights();/*!! could figure this out*/
15766 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15767 SendToProgram("remove\n", &first);
15768 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15771 case BeginningOfGame:
15775 case IcsPlayingWhite:
15776 case IcsPlayingBlack:
15777 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15778 SendToICS(ics_prefix);
15779 SendToICS("takeback 2\n");
15781 SendToICS(ics_prefix);
15782 SendToICS("takeback 1\n");
15791 ChessProgramState *cps;
15793 switch (gameMode) {
15794 case MachinePlaysWhite:
15795 if (!WhiteOnMove(forwardMostMove)) {
15796 DisplayError(_("It is your turn"), 0);
15801 case MachinePlaysBlack:
15802 if (WhiteOnMove(forwardMostMove)) {
15803 DisplayError(_("It is your turn"), 0);
15808 case TwoMachinesPlay:
15809 if (WhiteOnMove(forwardMostMove) ==
15810 (first.twoMachinesColor[0] == 'w')) {
15816 case BeginningOfGame:
15820 SendToProgram("?\n", cps);
15824 TruncateGameEvent ()
15827 if (gameMode != EditGame) return;
15834 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15835 if (forwardMostMove > currentMove) {
15836 if (gameInfo.resultDetails != NULL) {
15837 free(gameInfo.resultDetails);
15838 gameInfo.resultDetails = NULL;
15839 gameInfo.result = GameUnfinished;
15841 forwardMostMove = currentMove;
15842 HistorySet(parseList, backwardMostMove, forwardMostMove,
15850 if (appData.noChessProgram) return;
15851 switch (gameMode) {
15852 case MachinePlaysWhite:
15853 if (WhiteOnMove(forwardMostMove)) {
15854 DisplayError(_("Wait until your turn."), 0);
15858 case BeginningOfGame:
15859 case MachinePlaysBlack:
15860 if (!WhiteOnMove(forwardMostMove)) {
15861 DisplayError(_("Wait until your turn."), 0);
15866 DisplayError(_("No hint available"), 0);
15869 SendToProgram("hint\n", &first);
15870 hintRequested = TRUE;
15874 SaveSelected (FILE *g, int dummy, char *dummy2)
15876 ListGame * lg = (ListGame *) gameList.head;
15880 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15881 DisplayError(_("Game list not loaded or empty"), 0);
15885 creatingBook = TRUE; // suppresses stuff during load game
15887 /* Get list size */
15888 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15889 if(lg->position >= 0) { // selected?
15890 LoadGame(f, nItem, "", TRUE);
15891 SaveGamePGN2(g); // leaves g open
15894 lg = (ListGame *) lg->node.succ;
15898 creatingBook = FALSE;
15906 ListGame * lg = (ListGame *) gameList.head;
15909 static int secondTime = FALSE;
15911 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15912 DisplayError(_("Game list not loaded or empty"), 0);
15916 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15919 DisplayNote(_("Book file exists! Try again for overwrite."));
15923 creatingBook = TRUE;
15924 secondTime = FALSE;
15926 /* Get list size */
15927 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15928 if(lg->position >= 0) {
15929 LoadGame(f, nItem, "", TRUE);
15930 AddGameToBook(TRUE);
15933 lg = (ListGame *) lg->node.succ;
15936 creatingBook = FALSE;
15943 if (appData.noChessProgram) return;
15944 switch (gameMode) {
15945 case MachinePlaysWhite:
15946 if (WhiteOnMove(forwardMostMove)) {
15947 DisplayError(_("Wait until your turn."), 0);
15951 case BeginningOfGame:
15952 case MachinePlaysBlack:
15953 if (!WhiteOnMove(forwardMostMove)) {
15954 DisplayError(_("Wait until your turn."), 0);
15959 EditPositionDone(TRUE);
15961 case TwoMachinesPlay:
15966 SendToProgram("bk\n", &first);
15967 bookOutput[0] = NULLCHAR;
15968 bookRequested = TRUE;
15974 char *tags = PGNTags(&gameInfo);
15975 TagsPopUp(tags, CmailMsg());
15979 /* end button procedures */
15982 PrintPosition (FILE *fp, int move)
15986 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15987 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15988 char c = PieceToChar(boards[move][i][j]);
15989 fputc(c == 'x' ? '.' : c, fp);
15990 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15993 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15994 fprintf(fp, "white to play\n");
15996 fprintf(fp, "black to play\n");
16000 PrintOpponents (FILE *fp)
16002 if (gameInfo.white != NULL) {
16003 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16009 /* Find last component of program's own name, using some heuristics */
16011 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16014 int local = (strcmp(host, "localhost") == 0);
16015 while (!local && (p = strchr(prog, ';')) != NULL) {
16017 while (*p == ' ') p++;
16020 if (*prog == '"' || *prog == '\'') {
16021 q = strchr(prog + 1, *prog);
16023 q = strchr(prog, ' ');
16025 if (q == NULL) q = prog + strlen(prog);
16027 while (p >= prog && *p != '/' && *p != '\\') p--;
16029 if(p == prog && *p == '"') p++;
16031 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16032 memcpy(buf, p, q - p);
16033 buf[q - p] = NULLCHAR;
16041 TimeControlTagValue ()
16044 if (!appData.clockMode) {
16045 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16046 } else if (movesPerSession > 0) {
16047 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16048 } else if (timeIncrement == 0) {
16049 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16051 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16053 return StrSave(buf);
16059 /* This routine is used only for certain modes */
16060 VariantClass v = gameInfo.variant;
16061 ChessMove r = GameUnfinished;
16064 if(keepInfo) return;
16066 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16067 r = gameInfo.result;
16068 p = gameInfo.resultDetails;
16069 gameInfo.resultDetails = NULL;
16071 ClearGameInfo(&gameInfo);
16072 gameInfo.variant = v;
16074 switch (gameMode) {
16075 case MachinePlaysWhite:
16076 gameInfo.event = StrSave( appData.pgnEventHeader );
16077 gameInfo.site = StrSave(HostName());
16078 gameInfo.date = PGNDate();
16079 gameInfo.round = StrSave("-");
16080 gameInfo.white = StrSave(first.tidy);
16081 gameInfo.black = StrSave(UserName());
16082 gameInfo.timeControl = TimeControlTagValue();
16085 case MachinePlaysBlack:
16086 gameInfo.event = StrSave( appData.pgnEventHeader );
16087 gameInfo.site = StrSave(HostName());
16088 gameInfo.date = PGNDate();
16089 gameInfo.round = StrSave("-");
16090 gameInfo.white = StrSave(UserName());
16091 gameInfo.black = StrSave(first.tidy);
16092 gameInfo.timeControl = TimeControlTagValue();
16095 case TwoMachinesPlay:
16096 gameInfo.event = StrSave( appData.pgnEventHeader );
16097 gameInfo.site = StrSave(HostName());
16098 gameInfo.date = PGNDate();
16101 snprintf(buf, MSG_SIZ, "%d", roundNr);
16102 gameInfo.round = StrSave(buf);
16104 gameInfo.round = StrSave("-");
16106 if (first.twoMachinesColor[0] == 'w') {
16107 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16108 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16110 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16111 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16113 gameInfo.timeControl = TimeControlTagValue();
16117 gameInfo.event = StrSave("Edited game");
16118 gameInfo.site = StrSave(HostName());
16119 gameInfo.date = PGNDate();
16120 gameInfo.round = StrSave("-");
16121 gameInfo.white = StrSave("-");
16122 gameInfo.black = StrSave("-");
16123 gameInfo.result = r;
16124 gameInfo.resultDetails = p;
16128 gameInfo.event = StrSave("Edited position");
16129 gameInfo.site = StrSave(HostName());
16130 gameInfo.date = PGNDate();
16131 gameInfo.round = StrSave("-");
16132 gameInfo.white = StrSave("-");
16133 gameInfo.black = StrSave("-");
16136 case IcsPlayingWhite:
16137 case IcsPlayingBlack:
16142 case PlayFromGameFile:
16143 gameInfo.event = StrSave("Game from non-PGN file");
16144 gameInfo.site = StrSave(HostName());
16145 gameInfo.date = PGNDate();
16146 gameInfo.round = StrSave("-");
16147 gameInfo.white = StrSave("?");
16148 gameInfo.black = StrSave("?");
16157 ReplaceComment (int index, char *text)
16163 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16164 pvInfoList[index-1].depth == len &&
16165 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16166 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16167 while (*text == '\n') text++;
16168 len = strlen(text);
16169 while (len > 0 && text[len - 1] == '\n') len--;
16171 if (commentList[index] != NULL)
16172 free(commentList[index]);
16175 commentList[index] = NULL;
16178 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16179 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16180 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16181 commentList[index] = (char *) malloc(len + 2);
16182 strncpy(commentList[index], text, len);
16183 commentList[index][len] = '\n';
16184 commentList[index][len + 1] = NULLCHAR;
16186 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16188 commentList[index] = (char *) malloc(len + 7);
16189 safeStrCpy(commentList[index], "{\n", 3);
16190 safeStrCpy(commentList[index]+2, text, len+1);
16191 commentList[index][len+2] = NULLCHAR;
16192 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16193 strcat(commentList[index], "\n}\n");
16198 CrushCRs (char *text)
16206 if (ch == '\r') continue;
16208 } while (ch != '\0');
16212 AppendComment (int index, char *text, Boolean addBraces)
16213 /* addBraces tells if we should add {} */
16218 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16219 if(addBraces == 3) addBraces = 0; else // force appending literally
16220 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16223 while (*text == '\n') text++;
16224 len = strlen(text);
16225 while (len > 0 && text[len - 1] == '\n') len--;
16226 text[len] = NULLCHAR;
16228 if (len == 0) return;
16230 if (commentList[index] != NULL) {
16231 Boolean addClosingBrace = addBraces;
16232 old = commentList[index];
16233 oldlen = strlen(old);
16234 while(commentList[index][oldlen-1] == '\n')
16235 commentList[index][--oldlen] = NULLCHAR;
16236 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16237 safeStrCpy(commentList[index], old, oldlen + len + 6);
16239 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16240 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16241 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16242 while (*text == '\n') { text++; len--; }
16243 commentList[index][--oldlen] = NULLCHAR;
16245 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16246 else strcat(commentList[index], "\n");
16247 strcat(commentList[index], text);
16248 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16249 else strcat(commentList[index], "\n");
16251 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16253 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16254 else commentList[index][0] = NULLCHAR;
16255 strcat(commentList[index], text);
16256 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16257 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16262 FindStr (char * text, char * sub_text)
16264 char * result = strstr( text, sub_text );
16266 if( result != NULL ) {
16267 result += strlen( sub_text );
16273 /* [AS] Try to extract PV info from PGN comment */
16274 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16276 GetInfoFromComment (int index, char * text)
16278 char * sep = text, *p;
16280 if( text != NULL && index > 0 ) {
16283 int time = -1, sec = 0, deci;
16284 char * s_eval = FindStr( text, "[%eval " );
16285 char * s_emt = FindStr( text, "[%emt " );
16287 if( s_eval != NULL || s_emt != NULL ) {
16289 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16294 if( s_eval != NULL ) {
16295 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16299 if( delim != ']' ) {
16304 if( s_emt != NULL ) {
16309 /* We expect something like: [+|-]nnn.nn/dd */
16312 if(*text != '{') return text; // [HGM] braces: must be normal comment
16314 sep = strchr( text, '/' );
16315 if( sep == NULL || sep < (text+4) ) {
16320 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16321 if(p[1] == '(') { // comment starts with PV
16322 p = strchr(p, ')'); // locate end of PV
16323 if(p == NULL || sep < p+5) return text;
16324 // at this point we have something like "{(.*) +0.23/6 ..."
16325 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16326 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16327 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16329 time = -1; sec = -1; deci = -1;
16330 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16331 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16332 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16333 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16337 if( score_lo < 0 || score_lo >= 100 ) {
16341 if(sec >= 0) time = 600*time + 10*sec; else
16342 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16344 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16346 /* [HGM] PV time: now locate end of PV info */
16347 while( *++sep >= '0' && *sep <= '9'); // strip depth
16349 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16351 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16353 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16354 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16365 pvInfoList[index-1].depth = depth;
16366 pvInfoList[index-1].score = score;
16367 pvInfoList[index-1].time = 10*time; // centi-sec
16368 if(*sep == '}') *sep = 0; else *--sep = '{';
16369 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16375 SendToProgram (char *message, ChessProgramState *cps)
16377 int count, outCount, error;
16380 if (cps->pr == NoProc) return;
16383 if (appData.debugMode) {
16386 fprintf(debugFP, "%ld >%-6s: %s",
16387 SubtractTimeMarks(&now, &programStartTime),
16388 cps->which, message);
16390 fprintf(serverFP, "%ld >%-6s: %s",
16391 SubtractTimeMarks(&now, &programStartTime),
16392 cps->which, message), fflush(serverFP);
16395 count = strlen(message);
16396 outCount = OutputToProcess(cps->pr, message, count, &error);
16397 if (outCount < count && !exiting
16398 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16399 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16400 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16401 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16402 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16403 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16404 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16405 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16407 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16408 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16409 gameInfo.result = res;
16411 gameInfo.resultDetails = StrSave(buf);
16413 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16414 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16419 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16423 ChessProgramState *cps = (ChessProgramState *)closure;
16425 if (isr != cps->isr) return; /* Killed intentionally */
16428 RemoveInputSource(cps->isr);
16429 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16430 _(cps->which), cps->program);
16431 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16432 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16433 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16434 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16435 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16436 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16438 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16439 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16440 gameInfo.result = res;
16442 gameInfo.resultDetails = StrSave(buf);
16444 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16445 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16447 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16448 _(cps->which), cps->program);
16449 RemoveInputSource(cps->isr);
16451 /* [AS] Program is misbehaving badly... kill it */
16452 if( count == -2 ) {
16453 DestroyChildProcess( cps->pr, 9 );
16457 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16462 if ((end_str = strchr(message, '\r')) != NULL)
16463 *end_str = NULLCHAR;
16464 if ((end_str = strchr(message, '\n')) != NULL)
16465 *end_str = NULLCHAR;
16467 if (appData.debugMode) {
16468 TimeMark now; int print = 1;
16469 char *quote = ""; char c; int i;
16471 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16472 char start = message[0];
16473 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16474 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16475 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16476 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16477 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16478 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16479 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16480 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16481 sscanf(message, "hint: %c", &c)!=1 &&
16482 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16483 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16484 print = (appData.engineComments >= 2);
16486 message[0] = start; // restore original message
16490 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16491 SubtractTimeMarks(&now, &programStartTime), cps->which,
16495 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16496 SubtractTimeMarks(&now, &programStartTime), cps->which,
16498 message), fflush(serverFP);
16502 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16503 if (appData.icsEngineAnalyze) {
16504 if (strstr(message, "whisper") != NULL ||
16505 strstr(message, "kibitz") != NULL ||
16506 strstr(message, "tellics") != NULL) return;
16509 HandleMachineMove(message, cps);
16514 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16519 if( timeControl_2 > 0 ) {
16520 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16521 tc = timeControl_2;
16524 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16525 inc /= cps->timeOdds;
16526 st /= cps->timeOdds;
16528 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16531 /* Set exact time per move, normally using st command */
16532 if (cps->stKludge) {
16533 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16535 if (seconds == 0) {
16536 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16538 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16541 snprintf(buf, MSG_SIZ, "st %d\n", st);
16544 /* Set conventional or incremental time control, using level command */
16545 if (seconds == 0) {
16546 /* Note old gnuchess bug -- minutes:seconds used to not work.
16547 Fixed in later versions, but still avoid :seconds
16548 when seconds is 0. */
16549 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16551 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16552 seconds, inc/1000.);
16555 SendToProgram(buf, cps);
16557 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16558 /* Orthogonally, limit search to given depth */
16560 if (cps->sdKludge) {
16561 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16563 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16565 SendToProgram(buf, cps);
16568 if(cps->nps >= 0) { /* [HGM] nps */
16569 if(cps->supportsNPS == FALSE)
16570 cps->nps = -1; // don't use if engine explicitly says not supported!
16572 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16573 SendToProgram(buf, cps);
16578 ChessProgramState *
16580 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16582 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16583 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16589 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16591 char message[MSG_SIZ];
16594 /* Note: this routine must be called when the clocks are stopped
16595 or when they have *just* been set or switched; otherwise
16596 it will be off by the time since the current tick started.
16598 if (machineWhite) {
16599 time = whiteTimeRemaining / 10;
16600 otime = blackTimeRemaining / 10;
16602 time = blackTimeRemaining / 10;
16603 otime = whiteTimeRemaining / 10;
16605 /* [HGM] translate opponent's time by time-odds factor */
16606 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16608 if (time <= 0) time = 1;
16609 if (otime <= 0) otime = 1;
16611 snprintf(message, MSG_SIZ, "time %ld\n", time);
16612 SendToProgram(message, cps);
16614 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16615 SendToProgram(message, cps);
16619 EngineDefinedVariant (ChessProgramState *cps, int n)
16620 { // return name of n-th unknown variant that engine supports
16621 static char buf[MSG_SIZ];
16622 char *p, *s = cps->variants;
16623 if(!s) return NULL;
16624 do { // parse string from variants feature
16626 p = strchr(s, ',');
16627 if(p) *p = NULLCHAR;
16628 v = StringToVariant(s);
16629 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16630 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16631 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16632 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16633 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16634 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16635 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16638 if(n < 0) return buf;
16644 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16647 int len = strlen(name);
16650 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16652 sscanf(*p, "%d", &val);
16654 while (**p && **p != ' ')
16656 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16657 SendToProgram(buf, cps);
16664 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16667 int len = strlen(name);
16668 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16670 sscanf(*p, "%d", loc);
16671 while (**p && **p != ' ') (*p)++;
16672 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16673 SendToProgram(buf, cps);
16680 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16683 int len = strlen(name);
16684 if (strncmp((*p), name, len) == 0
16685 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16687 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16688 sscanf(*p, "%[^\"]", *loc);
16689 while (**p && **p != '\"') (*p)++;
16690 if (**p == '\"') (*p)++;
16691 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16692 SendToProgram(buf, cps);
16699 ParseOption (Option *opt, ChessProgramState *cps)
16700 // [HGM] options: process the string that defines an engine option, and determine
16701 // name, type, default value, and allowed value range
16703 char *p, *q, buf[MSG_SIZ];
16704 int n, min = (-1)<<31, max = 1<<31, def;
16706 if(p = strstr(opt->name, " -spin ")) {
16707 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16708 if(max < min) max = min; // enforce consistency
16709 if(def < min) def = min;
16710 if(def > max) def = max;
16715 } else if((p = strstr(opt->name, " -slider "))) {
16716 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16717 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16718 if(max < min) max = min; // enforce consistency
16719 if(def < min) def = min;
16720 if(def > max) def = max;
16724 opt->type = Spin; // Slider;
16725 } else if((p = strstr(opt->name, " -string "))) {
16726 opt->textValue = p+9;
16727 opt->type = TextBox;
16728 } else if((p = strstr(opt->name, " -file "))) {
16729 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16730 opt->textValue = p+7;
16731 opt->type = FileName; // FileName;
16732 } else if((p = strstr(opt->name, " -path "))) {
16733 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16734 opt->textValue = p+7;
16735 opt->type = PathName; // PathName;
16736 } else if(p = strstr(opt->name, " -check ")) {
16737 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16738 opt->value = (def != 0);
16739 opt->type = CheckBox;
16740 } else if(p = strstr(opt->name, " -combo ")) {
16741 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16742 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16743 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16744 opt->value = n = 0;
16745 while(q = StrStr(q, " /// ")) {
16746 n++; *q = 0; // count choices, and null-terminate each of them
16748 if(*q == '*') { // remember default, which is marked with * prefix
16752 cps->comboList[cps->comboCnt++] = q;
16754 cps->comboList[cps->comboCnt++] = NULL;
16756 opt->type = ComboBox;
16757 } else if(p = strstr(opt->name, " -button")) {
16758 opt->type = Button;
16759 } else if(p = strstr(opt->name, " -save")) {
16760 opt->type = SaveButton;
16761 } else return FALSE;
16762 *p = 0; // terminate option name
16763 // now look if the command-line options define a setting for this engine option.
16764 if(cps->optionSettings && cps->optionSettings[0])
16765 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16766 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16767 snprintf(buf, MSG_SIZ, "option %s", p);
16768 if(p = strstr(buf, ",")) *p = 0;
16769 if(q = strchr(buf, '=')) switch(opt->type) {
16771 for(n=0; n<opt->max; n++)
16772 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16775 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16779 opt->value = atoi(q+1);
16784 SendToProgram(buf, cps);
16790 FeatureDone (ChessProgramState *cps, int val)
16792 DelayedEventCallback cb = GetDelayedEvent();
16793 if ((cb == InitBackEnd3 && cps == &first) ||
16794 (cb == SettingsMenuIfReady && cps == &second) ||
16795 (cb == LoadEngine) ||
16796 (cb == TwoMachinesEventIfReady)) {
16797 CancelDelayedEvent();
16798 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16800 cps->initDone = val;
16801 if(val) cps->reload = FALSE;
16804 /* Parse feature command from engine */
16806 ParseFeatures (char *args, ChessProgramState *cps)
16814 while (*p == ' ') p++;
16815 if (*p == NULLCHAR) return;
16817 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16818 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16819 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16820 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16821 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16822 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16823 if (BoolFeature(&p, "reuse", &val, cps)) {
16824 /* Engine can disable reuse, but can't enable it if user said no */
16825 if (!val) cps->reuse = FALSE;
16828 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16829 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16830 if (gameMode == TwoMachinesPlay) {
16831 DisplayTwoMachinesTitle();
16837 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16838 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16839 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16840 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16841 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16842 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16843 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16844 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16845 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16846 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16847 if (IntFeature(&p, "done", &val, cps)) {
16848 FeatureDone(cps, val);
16851 /* Added by Tord: */
16852 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16853 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16854 /* End of additions by Tord */
16856 /* [HGM] added features: */
16857 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16858 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16859 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16860 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16861 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16862 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16863 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16864 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16865 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16866 FREE(cps->option[cps->nrOptions].name);
16867 cps->option[cps->nrOptions].name = q; q = NULL;
16868 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16869 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16870 SendToProgram(buf, cps);
16873 if(cps->nrOptions >= MAX_OPTIONS) {
16875 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16876 DisplayError(buf, 0);
16880 /* End of additions by HGM */
16882 /* unknown feature: complain and skip */
16884 while (*q && *q != '=') q++;
16885 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16886 SendToProgram(buf, cps);
16892 while (*p && *p != '\"') p++;
16893 if (*p == '\"') p++;
16895 while (*p && *p != ' ') p++;
16903 PeriodicUpdatesEvent (int newState)
16905 if (newState == appData.periodicUpdates)
16908 appData.periodicUpdates=newState;
16910 /* Display type changes, so update it now */
16911 // DisplayAnalysis();
16913 /* Get the ball rolling again... */
16915 AnalysisPeriodicEvent(1);
16916 StartAnalysisClock();
16921 PonderNextMoveEvent (int newState)
16923 if (newState == appData.ponderNextMove) return;
16924 if (gameMode == EditPosition) EditPositionDone(TRUE);
16926 SendToProgram("hard\n", &first);
16927 if (gameMode == TwoMachinesPlay) {
16928 SendToProgram("hard\n", &second);
16931 SendToProgram("easy\n", &first);
16932 thinkOutput[0] = NULLCHAR;
16933 if (gameMode == TwoMachinesPlay) {
16934 SendToProgram("easy\n", &second);
16937 appData.ponderNextMove = newState;
16941 NewSettingEvent (int option, int *feature, char *command, int value)
16945 if (gameMode == EditPosition) EditPositionDone(TRUE);
16946 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16947 if(feature == NULL || *feature) SendToProgram(buf, &first);
16948 if (gameMode == TwoMachinesPlay) {
16949 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16954 ShowThinkingEvent ()
16955 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16957 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16958 int newState = appData.showThinking
16959 // [HGM] thinking: other features now need thinking output as well
16960 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16962 if (oldState == newState) return;
16963 oldState = newState;
16964 if (gameMode == EditPosition) EditPositionDone(TRUE);
16966 SendToProgram("post\n", &first);
16967 if (gameMode == TwoMachinesPlay) {
16968 SendToProgram("post\n", &second);
16971 SendToProgram("nopost\n", &first);
16972 thinkOutput[0] = NULLCHAR;
16973 if (gameMode == TwoMachinesPlay) {
16974 SendToProgram("nopost\n", &second);
16977 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16981 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16983 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16984 if (pr == NoProc) return;
16985 AskQuestion(title, question, replyPrefix, pr);
16989 TypeInEvent (char firstChar)
16991 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16992 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16993 gameMode == AnalyzeMode || gameMode == EditGame ||
16994 gameMode == EditPosition || gameMode == IcsExamining ||
16995 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16996 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16997 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16998 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16999 gameMode == Training) PopUpMoveDialog(firstChar);
17003 TypeInDoneEvent (char *move)
17006 int n, fromX, fromY, toX, toY;
17008 ChessMove moveType;
17011 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17012 EditPositionPasteFEN(move);
17015 // [HGM] movenum: allow move number to be typed in any mode
17016 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17020 // undocumented kludge: allow command-line option to be typed in!
17021 // (potentially fatal, and does not implement the effect of the option.)
17022 // should only be used for options that are values on which future decisions will be made,
17023 // and definitely not on options that would be used during initialization.
17024 if(strstr(move, "!!! -") == move) {
17025 ParseArgsFromString(move+4);
17029 if (gameMode != EditGame && currentMove != forwardMostMove &&
17030 gameMode != Training) {
17031 DisplayMoveError(_("Displayed move is not current"));
17033 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17034 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17035 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17036 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17037 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17038 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17040 DisplayMoveError(_("Could not parse move"));
17046 DisplayMove (int moveNumber)
17048 char message[MSG_SIZ];
17050 char cpThinkOutput[MSG_SIZ];
17052 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17054 if (moveNumber == forwardMostMove - 1 ||
17055 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17057 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17059 if (strchr(cpThinkOutput, '\n')) {
17060 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17063 *cpThinkOutput = NULLCHAR;
17066 /* [AS] Hide thinking from human user */
17067 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17068 *cpThinkOutput = NULLCHAR;
17069 if( thinkOutput[0] != NULLCHAR ) {
17072 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17073 cpThinkOutput[i] = '.';
17075 cpThinkOutput[i] = NULLCHAR;
17076 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17080 if (moveNumber == forwardMostMove - 1 &&
17081 gameInfo.resultDetails != NULL) {
17082 if (gameInfo.resultDetails[0] == NULLCHAR) {
17083 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17085 snprintf(res, MSG_SIZ, " {%s} %s",
17086 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17092 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17093 DisplayMessage(res, cpThinkOutput);
17095 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17096 WhiteOnMove(moveNumber) ? " " : ".. ",
17097 parseList[moveNumber], res);
17098 DisplayMessage(message, cpThinkOutput);
17103 DisplayComment (int moveNumber, char *text)
17105 char title[MSG_SIZ];
17107 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17108 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17110 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17111 WhiteOnMove(moveNumber) ? " " : ".. ",
17112 parseList[moveNumber]);
17114 if (text != NULL && (appData.autoDisplayComment || commentUp))
17115 CommentPopUp(title, text);
17118 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17119 * might be busy thinking or pondering. It can be omitted if your
17120 * gnuchess is configured to stop thinking immediately on any user
17121 * input. However, that gnuchess feature depends on the FIONREAD
17122 * ioctl, which does not work properly on some flavors of Unix.
17125 Attention (ChessProgramState *cps)
17128 if (!cps->useSigint) return;
17129 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17130 switch (gameMode) {
17131 case MachinePlaysWhite:
17132 case MachinePlaysBlack:
17133 case TwoMachinesPlay:
17134 case IcsPlayingWhite:
17135 case IcsPlayingBlack:
17138 /* Skip if we know it isn't thinking */
17139 if (!cps->maybeThinking) return;
17140 if (appData.debugMode)
17141 fprintf(debugFP, "Interrupting %s\n", cps->which);
17142 InterruptChildProcess(cps->pr);
17143 cps->maybeThinking = FALSE;
17148 #endif /*ATTENTION*/
17154 if (whiteTimeRemaining <= 0) {
17157 if (appData.icsActive) {
17158 if (appData.autoCallFlag &&
17159 gameMode == IcsPlayingBlack && !blackFlag) {
17160 SendToICS(ics_prefix);
17161 SendToICS("flag\n");
17165 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17167 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17168 if (appData.autoCallFlag) {
17169 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17176 if (blackTimeRemaining <= 0) {
17179 if (appData.icsActive) {
17180 if (appData.autoCallFlag &&
17181 gameMode == IcsPlayingWhite && !whiteFlag) {
17182 SendToICS(ics_prefix);
17183 SendToICS("flag\n");
17187 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17189 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17190 if (appData.autoCallFlag) {
17191 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17202 CheckTimeControl ()
17204 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17205 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17208 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17210 if ( !WhiteOnMove(forwardMostMove) ) {
17211 /* White made time control */
17212 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17213 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17214 /* [HGM] time odds: correct new time quota for time odds! */
17215 / WhitePlayer()->timeOdds;
17216 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17218 lastBlack -= blackTimeRemaining;
17219 /* Black made time control */
17220 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17221 / WhitePlayer()->other->timeOdds;
17222 lastWhite = whiteTimeRemaining;
17227 DisplayBothClocks ()
17229 int wom = gameMode == EditPosition ?
17230 !blackPlaysFirst : WhiteOnMove(currentMove);
17231 DisplayWhiteClock(whiteTimeRemaining, wom);
17232 DisplayBlackClock(blackTimeRemaining, !wom);
17236 /* Timekeeping seems to be a portability nightmare. I think everyone
17237 has ftime(), but I'm really not sure, so I'm including some ifdefs
17238 to use other calls if you don't. Clocks will be less accurate if
17239 you have neither ftime nor gettimeofday.
17242 /* VS 2008 requires the #include outside of the function */
17243 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17244 #include <sys/timeb.h>
17247 /* Get the current time as a TimeMark */
17249 GetTimeMark (TimeMark *tm)
17251 #if HAVE_GETTIMEOFDAY
17253 struct timeval timeVal;
17254 struct timezone timeZone;
17256 gettimeofday(&timeVal, &timeZone);
17257 tm->sec = (long) timeVal.tv_sec;
17258 tm->ms = (int) (timeVal.tv_usec / 1000L);
17260 #else /*!HAVE_GETTIMEOFDAY*/
17263 // include <sys/timeb.h> / moved to just above start of function
17264 struct timeb timeB;
17267 tm->sec = (long) timeB.time;
17268 tm->ms = (int) timeB.millitm;
17270 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17271 tm->sec = (long) time(NULL);
17277 /* Return the difference in milliseconds between two
17278 time marks. We assume the difference will fit in a long!
17281 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17283 return 1000L*(tm2->sec - tm1->sec) +
17284 (long) (tm2->ms - tm1->ms);
17289 * Code to manage the game clocks.
17291 * In tournament play, black starts the clock and then white makes a move.
17292 * We give the human user a slight advantage if he is playing white---the
17293 * clocks don't run until he makes his first move, so it takes zero time.
17294 * Also, we don't account for network lag, so we could get out of sync
17295 * with GNU Chess's clock -- but then, referees are always right.
17298 static TimeMark tickStartTM;
17299 static long intendedTickLength;
17302 NextTickLength (long timeRemaining)
17304 long nominalTickLength, nextTickLength;
17306 if (timeRemaining > 0L && timeRemaining <= 10000L)
17307 nominalTickLength = 100L;
17309 nominalTickLength = 1000L;
17310 nextTickLength = timeRemaining % nominalTickLength;
17311 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17313 return nextTickLength;
17316 /* Adjust clock one minute up or down */
17318 AdjustClock (Boolean which, int dir)
17320 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17321 if(which) blackTimeRemaining += 60000*dir;
17322 else whiteTimeRemaining += 60000*dir;
17323 DisplayBothClocks();
17324 adjustedClock = TRUE;
17327 /* Stop clocks and reset to a fresh time control */
17331 (void) StopClockTimer();
17332 if (appData.icsActive) {
17333 whiteTimeRemaining = blackTimeRemaining = 0;
17334 } else if (searchTime) {
17335 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17336 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17337 } else { /* [HGM] correct new time quote for time odds */
17338 whiteTC = blackTC = fullTimeControlString;
17339 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17340 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17342 if (whiteFlag || blackFlag) {
17344 whiteFlag = blackFlag = FALSE;
17346 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17347 DisplayBothClocks();
17348 adjustedClock = FALSE;
17351 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17353 /* Decrement running clock by amount of time that has passed */
17357 long timeRemaining;
17358 long lastTickLength, fudge;
17361 if (!appData.clockMode) return;
17362 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17366 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17368 /* Fudge if we woke up a little too soon */
17369 fudge = intendedTickLength - lastTickLength;
17370 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17372 if (WhiteOnMove(forwardMostMove)) {
17373 if(whiteNPS >= 0) lastTickLength = 0;
17374 timeRemaining = whiteTimeRemaining -= lastTickLength;
17375 if(timeRemaining < 0 && !appData.icsActive) {
17376 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17377 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17378 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17379 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17382 DisplayWhiteClock(whiteTimeRemaining - fudge,
17383 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17385 if(blackNPS >= 0) lastTickLength = 0;
17386 timeRemaining = blackTimeRemaining -= lastTickLength;
17387 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17388 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17390 blackStartMove = forwardMostMove;
17391 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17394 DisplayBlackClock(blackTimeRemaining - fudge,
17395 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17397 if (CheckFlags()) return;
17399 if(twoBoards) { // count down secondary board's clocks as well
17400 activePartnerTime -= lastTickLength;
17402 if(activePartner == 'W')
17403 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17405 DisplayBlackClock(activePartnerTime, TRUE);
17410 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17411 StartClockTimer(intendedTickLength);
17413 /* if the time remaining has fallen below the alarm threshold, sound the
17414 * alarm. if the alarm has sounded and (due to a takeback or time control
17415 * with increment) the time remaining has increased to a level above the
17416 * threshold, reset the alarm so it can sound again.
17419 if (appData.icsActive && appData.icsAlarm) {
17421 /* make sure we are dealing with the user's clock */
17422 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17423 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17426 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17427 alarmSounded = FALSE;
17428 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17430 alarmSounded = TRUE;
17436 /* A player has just moved, so stop the previously running
17437 clock and (if in clock mode) start the other one.
17438 We redisplay both clocks in case we're in ICS mode, because
17439 ICS gives us an update to both clocks after every move.
17440 Note that this routine is called *after* forwardMostMove
17441 is updated, so the last fractional tick must be subtracted
17442 from the color that is *not* on move now.
17445 SwitchClocks (int newMoveNr)
17447 long lastTickLength;
17449 int flagged = FALSE;
17453 if (StopClockTimer() && appData.clockMode) {
17454 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17455 if (!WhiteOnMove(forwardMostMove)) {
17456 if(blackNPS >= 0) lastTickLength = 0;
17457 blackTimeRemaining -= lastTickLength;
17458 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17459 // if(pvInfoList[forwardMostMove].time == -1)
17460 pvInfoList[forwardMostMove].time = // use GUI time
17461 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17463 if(whiteNPS >= 0) lastTickLength = 0;
17464 whiteTimeRemaining -= lastTickLength;
17465 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17466 // if(pvInfoList[forwardMostMove].time == -1)
17467 pvInfoList[forwardMostMove].time =
17468 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17470 flagged = CheckFlags();
17472 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17473 CheckTimeControl();
17475 if (flagged || !appData.clockMode) return;
17477 switch (gameMode) {
17478 case MachinePlaysBlack:
17479 case MachinePlaysWhite:
17480 case BeginningOfGame:
17481 if (pausing) return;
17485 case PlayFromGameFile:
17493 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17494 if(WhiteOnMove(forwardMostMove))
17495 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17496 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17500 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17501 whiteTimeRemaining : blackTimeRemaining);
17502 StartClockTimer(intendedTickLength);
17506 /* Stop both clocks */
17510 long lastTickLength;
17513 if (!StopClockTimer()) return;
17514 if (!appData.clockMode) return;
17518 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17519 if (WhiteOnMove(forwardMostMove)) {
17520 if(whiteNPS >= 0) lastTickLength = 0;
17521 whiteTimeRemaining -= lastTickLength;
17522 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17524 if(blackNPS >= 0) lastTickLength = 0;
17525 blackTimeRemaining -= lastTickLength;
17526 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17531 /* Start clock of player on move. Time may have been reset, so
17532 if clock is already running, stop and restart it. */
17536 (void) StopClockTimer(); /* in case it was running already */
17537 DisplayBothClocks();
17538 if (CheckFlags()) return;
17540 if (!appData.clockMode) return;
17541 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17543 GetTimeMark(&tickStartTM);
17544 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17545 whiteTimeRemaining : blackTimeRemaining);
17547 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17548 whiteNPS = blackNPS = -1;
17549 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17550 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17551 whiteNPS = first.nps;
17552 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17553 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17554 blackNPS = first.nps;
17555 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17556 whiteNPS = second.nps;
17557 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17558 blackNPS = second.nps;
17559 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17561 StartClockTimer(intendedTickLength);
17565 TimeString (long ms)
17567 long second, minute, hour, day;
17569 static char buf[32];
17571 if (ms > 0 && ms <= 9900) {
17572 /* convert milliseconds to tenths, rounding up */
17573 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17575 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17579 /* convert milliseconds to seconds, rounding up */
17580 /* use floating point to avoid strangeness of integer division
17581 with negative dividends on many machines */
17582 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17589 day = second / (60 * 60 * 24);
17590 second = second % (60 * 60 * 24);
17591 hour = second / (60 * 60);
17592 second = second % (60 * 60);
17593 minute = second / 60;
17594 second = second % 60;
17597 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17598 sign, day, hour, minute, second);
17600 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17602 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17609 * This is necessary because some C libraries aren't ANSI C compliant yet.
17612 StrStr (char *string, char *match)
17616 length = strlen(match);
17618 for (i = strlen(string) - length; i >= 0; i--, string++)
17619 if (!strncmp(match, string, length))
17626 StrCaseStr (char *string, char *match)
17630 length = strlen(match);
17632 for (i = strlen(string) - length; i >= 0; i--, string++) {
17633 for (j = 0; j < length; j++) {
17634 if (ToLower(match[j]) != ToLower(string[j]))
17637 if (j == length) return string;
17645 StrCaseCmp (char *s1, char *s2)
17650 c1 = ToLower(*s1++);
17651 c2 = ToLower(*s2++);
17652 if (c1 > c2) return 1;
17653 if (c1 < c2) return -1;
17654 if (c1 == NULLCHAR) return 0;
17662 return isupper(c) ? tolower(c) : c;
17669 return islower(c) ? toupper(c) : c;
17671 #endif /* !_amigados */
17678 if ((ret = (char *) malloc(strlen(s) + 1)))
17680 safeStrCpy(ret, s, strlen(s)+1);
17686 StrSavePtr (char *s, char **savePtr)
17691 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17692 safeStrCpy(*savePtr, s, strlen(s)+1);
17704 clock = time((time_t *)NULL);
17705 tm = localtime(&clock);
17706 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17707 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17708 return StrSave(buf);
17713 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17715 int i, j, fromX, fromY, toX, toY;
17722 whiteToPlay = (gameMode == EditPosition) ?
17723 !blackPlaysFirst : (move % 2 == 0);
17726 /* Piece placement data */
17727 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17728 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17730 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17731 if (boards[move][i][j] == EmptySquare) {
17733 } else { ChessSquare piece = boards[move][i][j];
17734 if (emptycount > 0) {
17735 if(emptycount<10) /* [HGM] can be >= 10 */
17736 *p++ = '0' + emptycount;
17737 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17740 if(PieceToChar(piece) == '+') {
17741 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17743 piece = (ChessSquare)(CHUDEMOTED piece);
17745 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17747 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17748 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17753 if (emptycount > 0) {
17754 if(emptycount<10) /* [HGM] can be >= 10 */
17755 *p++ = '0' + emptycount;
17756 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17763 /* [HGM] print Crazyhouse or Shogi holdings */
17764 if( gameInfo.holdingsWidth ) {
17765 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17767 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17768 piece = boards[move][i][BOARD_WIDTH-1];
17769 if( piece != EmptySquare )
17770 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17771 *p++ = PieceToChar(piece);
17773 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17774 piece = boards[move][BOARD_HEIGHT-i-1][0];
17775 if( piece != EmptySquare )
17776 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17777 *p++ = PieceToChar(piece);
17780 if( q == p ) *p++ = '-';
17786 *p++ = whiteToPlay ? 'w' : 'b';
17789 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17790 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17792 if(nrCastlingRights) {
17794 if(appData.fischerCastling) {
17795 /* [HGM] write directly from rights */
17796 if(boards[move][CASTLING][2] != NoRights &&
17797 boards[move][CASTLING][0] != NoRights )
17798 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17799 if(boards[move][CASTLING][2] != NoRights &&
17800 boards[move][CASTLING][1] != NoRights )
17801 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17802 if(boards[move][CASTLING][5] != NoRights &&
17803 boards[move][CASTLING][3] != NoRights )
17804 *p++ = boards[move][CASTLING][3] + AAA;
17805 if(boards[move][CASTLING][5] != NoRights &&
17806 boards[move][CASTLING][4] != NoRights )
17807 *p++ = boards[move][CASTLING][4] + AAA;
17810 /* [HGM] write true castling rights */
17811 if( nrCastlingRights == 6 ) {
17813 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17814 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17815 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17816 boards[move][CASTLING][2] != NoRights );
17817 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17818 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17819 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17820 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17821 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17825 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17826 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17827 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17828 boards[move][CASTLING][5] != NoRights );
17829 if(gameInfo.variant == VariantSChess) {
17830 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17831 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17832 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17833 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17838 if (q == p) *p++ = '-'; /* No castling rights */
17842 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17843 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17844 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17845 /* En passant target square */
17846 if (move > backwardMostMove) {
17847 fromX = moveList[move - 1][0] - AAA;
17848 fromY = moveList[move - 1][1] - ONE;
17849 toX = moveList[move - 1][2] - AAA;
17850 toY = moveList[move - 1][3] - ONE;
17851 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17852 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17853 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17855 /* 2-square pawn move just happened */
17857 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17861 } else if(move == backwardMostMove) {
17862 // [HGM] perhaps we should always do it like this, and forget the above?
17863 if((signed char)boards[move][EP_STATUS] >= 0) {
17864 *p++ = boards[move][EP_STATUS] + AAA;
17865 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17877 { int i = 0, j=move;
17879 /* [HGM] find reversible plies */
17880 if (appData.debugMode) { int k;
17881 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17882 for(k=backwardMostMove; k<=forwardMostMove; k++)
17883 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17887 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17888 if( j == backwardMostMove ) i += initialRulePlies;
17889 sprintf(p, "%d ", i);
17890 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17892 /* Fullmove number */
17893 sprintf(p, "%d", (move / 2) + 1);
17894 } else *--p = NULLCHAR;
17896 return StrSave(buf);
17900 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17902 int i, j, k, w=0, subst=0, shuffle=0;
17904 int emptycount, virgin[BOARD_FILES];
17909 /* Piece placement data */
17910 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17913 if (*p == '/' || *p == ' ' || *p == '[' ) {
17915 emptycount = gameInfo.boardWidth - j;
17916 while (emptycount--)
17917 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17918 if (*p == '/') p++;
17919 else if(autoSize) { // we stumbled unexpectedly into end of board
17920 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17921 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17923 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17926 #if(BOARD_FILES >= 10)*0
17927 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17928 p++; emptycount=10;
17929 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17930 while (emptycount--)
17931 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17933 } else if (*p == '*') {
17934 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17935 } else if (isdigit(*p)) {
17936 emptycount = *p++ - '0';
17937 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17938 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17939 while (emptycount--)
17940 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17941 } else if (*p == '<') {
17942 if(i == BOARD_HEIGHT-1) shuffle = 1;
17943 else if (i != 0 || !shuffle) return FALSE;
17945 } else if (shuffle && *p == '>') {
17946 p++; // for now ignore closing shuffle range, and assume rank-end
17947 } else if (*p == '?') {
17948 if (j >= gameInfo.boardWidth) return FALSE;
17949 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17950 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17951 } else if (*p == '+' || isalpha(*p)) {
17952 if (j >= gameInfo.boardWidth) return FALSE;
17954 piece = CharToPiece(*++p);
17955 if(piece == EmptySquare) return FALSE; /* unknown piece */
17956 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17957 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17958 } else piece = CharToPiece(*p++);
17960 if(piece==EmptySquare) return FALSE; /* unknown piece */
17961 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17962 piece = (ChessSquare) (PROMOTED piece);
17963 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17966 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17972 while (*p == '/' || *p == ' ') p++;
17974 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17976 /* [HGM] by default clear Crazyhouse holdings, if present */
17977 if(gameInfo.holdingsWidth) {
17978 for(i=0; i<BOARD_HEIGHT; i++) {
17979 board[i][0] = EmptySquare; /* black holdings */
17980 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17981 board[i][1] = (ChessSquare) 0; /* black counts */
17982 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17986 /* [HGM] look for Crazyhouse holdings here */
17987 while(*p==' ') p++;
17988 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17989 int swap=0, wcnt=0, bcnt=0;
17991 if(*p == '<') swap++, p++;
17992 if(*p == '-' ) p++; /* empty holdings */ else {
17993 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17994 /* if we would allow FEN reading to set board size, we would */
17995 /* have to add holdings and shift the board read so far here */
17996 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17998 if((int) piece >= (int) BlackPawn ) {
17999 i = (int)piece - (int)BlackPawn;
18000 i = PieceToNumber((ChessSquare)i);
18001 if( i >= gameInfo.holdingsSize ) return FALSE;
18002 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18003 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18006 i = (int)piece - (int)WhitePawn;
18007 i = PieceToNumber((ChessSquare)i);
18008 if( i >= gameInfo.holdingsSize ) return FALSE;
18009 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18010 board[i][BOARD_WIDTH-2]++; /* black holdings */
18014 if(subst) { // substitute back-rank question marks by holdings pieces
18015 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18016 int k, m, n = bcnt + 1;
18017 if(board[0][j] == ClearBoard) {
18018 if(!wcnt) return FALSE;
18020 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18021 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18022 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18026 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18027 if(!bcnt) return FALSE;
18028 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18029 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18030 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18031 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18042 if(subst) return FALSE; // substitution requested, but no holdings
18044 while(*p == ' ') p++;
18048 if(appData.colorNickNames) {
18049 if( c == appData.colorNickNames[0] ) c = 'w'; else
18050 if( c == appData.colorNickNames[1] ) c = 'b';
18054 *blackPlaysFirst = FALSE;
18057 *blackPlaysFirst = TRUE;
18063 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18064 /* return the extra info in global variiables */
18066 /* set defaults in case FEN is incomplete */
18067 board[EP_STATUS] = EP_UNKNOWN;
18068 for(i=0; i<nrCastlingRights; i++ ) {
18069 board[CASTLING][i] =
18070 appData.fischerCastling ? NoRights : initialRights[i];
18071 } /* assume possible unless obviously impossible */
18072 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18073 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18074 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18075 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18076 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18077 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18078 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18079 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18082 while(*p==' ') p++;
18083 if(nrCastlingRights) {
18085 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18086 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18087 /* castling indicator present, so default becomes no castlings */
18088 for(i=0; i<nrCastlingRights; i++ ) {
18089 board[CASTLING][i] = NoRights;
18092 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18093 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18094 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18095 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18096 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18098 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18099 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18100 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18102 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18103 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18104 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18105 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18106 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18107 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18110 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18111 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18112 board[CASTLING][2] = whiteKingFile;
18113 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18114 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18115 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18118 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18119 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18120 board[CASTLING][2] = whiteKingFile;
18121 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18122 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18123 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18126 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18127 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18128 board[CASTLING][5] = blackKingFile;
18129 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18130 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18131 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18134 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18135 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18136 board[CASTLING][5] = blackKingFile;
18137 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18138 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18139 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18142 default: /* FRC castlings */
18143 if(c >= 'a') { /* black rights */
18144 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18145 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18146 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18147 if(i == BOARD_RGHT) break;
18148 board[CASTLING][5] = i;
18150 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18151 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18153 board[CASTLING][3] = c;
18155 board[CASTLING][4] = c;
18156 } else { /* white rights */
18157 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18158 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18159 if(board[0][i] == WhiteKing) break;
18160 if(i == BOARD_RGHT) break;
18161 board[CASTLING][2] = i;
18162 c -= AAA - 'a' + 'A';
18163 if(board[0][c] >= WhiteKing) break;
18165 board[CASTLING][0] = c;
18167 board[CASTLING][1] = c;
18171 for(i=0; i<nrCastlingRights; i++)
18172 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18173 if(gameInfo.variant == VariantSChess)
18174 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18175 if(fischer && shuffle) appData.fischerCastling = TRUE;
18176 if (appData.debugMode) {
18177 fprintf(debugFP, "FEN castling rights:");
18178 for(i=0; i<nrCastlingRights; i++)
18179 fprintf(debugFP, " %d", board[CASTLING][i]);
18180 fprintf(debugFP, "\n");
18183 while(*p==' ') p++;
18186 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18188 /* read e.p. field in games that know e.p. capture */
18189 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18190 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18191 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18193 p++; board[EP_STATUS] = EP_NONE;
18195 char c = *p++ - AAA;
18197 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18198 if(*p >= '0' && *p <='9') p++;
18199 board[EP_STATUS] = c;
18204 if(sscanf(p, "%d", &i) == 1) {
18205 FENrulePlies = i; /* 50-move ply counter */
18206 /* (The move number is still ignored) */
18213 EditPositionPasteFEN (char *fen)
18216 Board initial_position;
18218 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18219 DisplayError(_("Bad FEN position in clipboard"), 0);
18222 int savedBlackPlaysFirst = blackPlaysFirst;
18223 EditPositionEvent();
18224 blackPlaysFirst = savedBlackPlaysFirst;
18225 CopyBoard(boards[0], initial_position);
18226 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18227 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18228 DisplayBothClocks();
18229 DrawPosition(FALSE, boards[currentMove]);
18234 static char cseq[12] = "\\ ";
18237 set_cont_sequence (char *new_seq)
18242 // handle bad attempts to set the sequence
18244 return 0; // acceptable error - no debug
18246 len = strlen(new_seq);
18247 ret = (len > 0) && (len < sizeof(cseq));
18249 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18250 else if (appData.debugMode)
18251 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18256 reformat a source message so words don't cross the width boundary. internal
18257 newlines are not removed. returns the wrapped size (no null character unless
18258 included in source message). If dest is NULL, only calculate the size required
18259 for the dest buffer. lp argument indicats line position upon entry, and it's
18260 passed back upon exit.
18263 wrap (char *dest, char *src, int count, int width, int *lp)
18265 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18267 cseq_len = strlen(cseq);
18268 old_line = line = *lp;
18269 ansi = len = clen = 0;
18271 for (i=0; i < count; i++)
18273 if (src[i] == '\033')
18276 // if we hit the width, back up
18277 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18279 // store i & len in case the word is too long
18280 old_i = i, old_len = len;
18282 // find the end of the last word
18283 while (i && src[i] != ' ' && src[i] != '\n')
18289 // word too long? restore i & len before splitting it
18290 if ((old_i-i+clen) >= width)
18297 if (i && src[i-1] == ' ')
18300 if (src[i] != ' ' && src[i] != '\n')
18307 // now append the newline and continuation sequence
18312 strncpy(dest+len, cseq, cseq_len);
18320 dest[len] = src[i];
18324 if (src[i] == '\n')
18329 if (dest && appData.debugMode)
18331 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18332 count, width, line, len, *lp);
18333 show_bytes(debugFP, src, count);
18334 fprintf(debugFP, "\ndest: ");
18335 show_bytes(debugFP, dest, len);
18336 fprintf(debugFP, "\n");
18338 *lp = dest ? line : old_line;
18343 // [HGM] vari: routines for shelving variations
18344 Boolean modeRestore = FALSE;
18347 PushInner (int firstMove, int lastMove)
18349 int i, j, nrMoves = lastMove - firstMove;
18351 // push current tail of game on stack
18352 savedResult[storedGames] = gameInfo.result;
18353 savedDetails[storedGames] = gameInfo.resultDetails;
18354 gameInfo.resultDetails = NULL;
18355 savedFirst[storedGames] = firstMove;
18356 savedLast [storedGames] = lastMove;
18357 savedFramePtr[storedGames] = framePtr;
18358 framePtr -= nrMoves; // reserve space for the boards
18359 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18360 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18361 for(j=0; j<MOVE_LEN; j++)
18362 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18363 for(j=0; j<2*MOVE_LEN; j++)
18364 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18365 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18366 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18367 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18368 pvInfoList[firstMove+i-1].depth = 0;
18369 commentList[framePtr+i] = commentList[firstMove+i];
18370 commentList[firstMove+i] = NULL;
18374 forwardMostMove = firstMove; // truncate game so we can start variation
18378 PushTail (int firstMove, int lastMove)
18380 if(appData.icsActive) { // only in local mode
18381 forwardMostMove = currentMove; // mimic old ICS behavior
18384 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18386 PushInner(firstMove, lastMove);
18387 if(storedGames == 1) GreyRevert(FALSE);
18388 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18392 PopInner (Boolean annotate)
18395 char buf[8000], moveBuf[20];
18397 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18398 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18399 nrMoves = savedLast[storedGames] - currentMove;
18402 if(!WhiteOnMove(currentMove))
18403 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18404 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18405 for(i=currentMove; i<forwardMostMove; i++) {
18407 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18408 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18409 strcat(buf, moveBuf);
18410 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18411 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18415 for(i=1; i<=nrMoves; i++) { // copy last variation back
18416 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18417 for(j=0; j<MOVE_LEN; j++)
18418 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18419 for(j=0; j<2*MOVE_LEN; j++)
18420 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18421 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18422 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18423 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18424 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18425 commentList[currentMove+i] = commentList[framePtr+i];
18426 commentList[framePtr+i] = NULL;
18428 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18429 framePtr = savedFramePtr[storedGames];
18430 gameInfo.result = savedResult[storedGames];
18431 if(gameInfo.resultDetails != NULL) {
18432 free(gameInfo.resultDetails);
18434 gameInfo.resultDetails = savedDetails[storedGames];
18435 forwardMostMove = currentMove + nrMoves;
18439 PopTail (Boolean annotate)
18441 if(appData.icsActive) return FALSE; // only in local mode
18442 if(!storedGames) return FALSE; // sanity
18443 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18445 PopInner(annotate);
18446 if(currentMove < forwardMostMove) ForwardEvent(); else
18447 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18449 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18455 { // remove all shelved variations
18457 for(i=0; i<storedGames; i++) {
18458 if(savedDetails[i])
18459 free(savedDetails[i]);
18460 savedDetails[i] = NULL;
18462 for(i=framePtr; i<MAX_MOVES; i++) {
18463 if(commentList[i]) free(commentList[i]);
18464 commentList[i] = NULL;
18466 framePtr = MAX_MOVES-1;
18471 LoadVariation (int index, char *text)
18472 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18473 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18474 int level = 0, move;
18476 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18477 // first find outermost bracketing variation
18478 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18479 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18480 if(*p == '{') wait = '}'; else
18481 if(*p == '[') wait = ']'; else
18482 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18483 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18485 if(*p == wait) wait = NULLCHAR; // closing ]} found
18488 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18489 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18490 end[1] = NULLCHAR; // clip off comment beyond variation
18491 ToNrEvent(currentMove-1);
18492 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18493 // kludge: use ParsePV() to append variation to game
18494 move = currentMove;
18495 ParsePV(start, TRUE, TRUE);
18496 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18497 ClearPremoveHighlights();
18499 ToNrEvent(currentMove+1);
18505 char *p, *q, buf[MSG_SIZ];
18506 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18507 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18508 ParseArgsFromString(buf);
18509 ActivateTheme(TRUE); // also redo colors
18513 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18516 q = appData.themeNames;
18517 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18518 if(appData.useBitmaps) {
18519 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18520 appData.liteBackTextureFile, appData.darkBackTextureFile,
18521 appData.liteBackTextureMode,
18522 appData.darkBackTextureMode );
18524 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18525 Col2Text(2), // lightSquareColor
18526 Col2Text(3) ); // darkSquareColor
18528 if(appData.useBorder) {
18529 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18532 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18534 if(appData.useFont) {
18535 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18536 appData.renderPiecesWithFont,
18537 appData.fontToPieceTable,
18538 Col2Text(9), // appData.fontBackColorWhite
18539 Col2Text(10) ); // appData.fontForeColorBlack
18541 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18542 appData.pieceDirectory);
18543 if(!appData.pieceDirectory[0])
18544 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18545 Col2Text(0), // whitePieceColor
18546 Col2Text(1) ); // blackPieceColor
18548 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18549 Col2Text(4), // highlightSquareColor
18550 Col2Text(5) ); // premoveHighlightColor
18551 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18552 if(insert != q) insert[-1] = NULLCHAR;
18553 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18556 ActivateTheme(FALSE);