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++)
7358 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7359 if(!first.highlight || gameMode == EditPosition) return;
7360 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7361 SendToProgram(buf, &first);
7365 LeftClick (ClickType clickType, int xPix, int yPix)
7368 Boolean saveAnimate;
7369 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7370 char promoChoice = NULLCHAR;
7372 static TimeMark lastClickTime, prevClickTime;
7374 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7376 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7378 if (clickType == Press) ErrorPopDown();
7379 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7381 x = EventToSquare(xPix, BOARD_WIDTH);
7382 y = EventToSquare(yPix, BOARD_HEIGHT);
7383 if (!flipView && y >= 0) {
7384 y = BOARD_HEIGHT - 1 - y;
7386 if (flipView && x >= 0) {
7387 x = BOARD_WIDTH - 1 - x;
7390 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7391 defaultPromoChoice = promoSweep;
7392 promoSweep = EmptySquare; // terminate sweep
7393 promoDefaultAltered = TRUE;
7394 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7397 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7398 if(clickType == Release) return; // ignore upclick of click-click destination
7399 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7400 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7401 if(gameInfo.holdingsWidth &&
7402 (WhiteOnMove(currentMove)
7403 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7404 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7405 // click in right holdings, for determining promotion piece
7406 ChessSquare p = boards[currentMove][y][x];
7407 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7408 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7409 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7410 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7415 DrawPosition(FALSE, boards[currentMove]);
7419 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7420 if(clickType == Press
7421 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7422 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7423 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7426 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7427 // could be static click on premove from-square: abort premove
7429 ClearPremoveHighlights();
7432 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7433 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7435 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7436 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7437 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7438 defaultPromoChoice = DefaultPromoChoice(side);
7441 autoQueen = appData.alwaysPromoteToQueen;
7445 gatingPiece = EmptySquare;
7446 if (clickType != Press) {
7447 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7448 DragPieceEnd(xPix, yPix); dragging = 0;
7449 DrawPosition(FALSE, NULL);
7453 doubleClick = FALSE;
7454 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7455 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7457 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7458 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7459 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7460 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7462 if (OKToStartUserMove(fromX, fromY)) {
7464 ReportClick("lift", x, y);
7465 MarkTargetSquares(0);
7466 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7467 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7468 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7469 promoSweep = defaultPromoChoice;
7470 selectFlag = 0; lastX = xPix; lastY = yPix;
7471 Sweep(0); // Pawn that is going to promote: preview promotion piece
7472 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7474 if (appData.highlightDragging) {
7475 SetHighlights(fromX, fromY, -1, -1);
7479 } else fromX = fromY = -1;
7485 if (clickType == Press && gameMode != EditPosition) {
7490 // ignore off-board to clicks
7491 if(y < 0 || x < 0) return;
7493 /* Check if clicking again on the same color piece */
7494 fromP = boards[currentMove][fromY][fromX];
7495 toP = boards[currentMove][y][x];
7496 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7497 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7498 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7499 WhitePawn <= toP && toP <= WhiteKing &&
7500 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7501 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7502 (BlackPawn <= fromP && fromP <= BlackKing &&
7503 BlackPawn <= toP && toP <= BlackKing &&
7504 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7505 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7506 /* Clicked again on same color piece -- changed his mind */
7507 second = (x == fromX && y == fromY);
7509 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7510 second = FALSE; // first double-click rather than scond click
7511 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7513 promoDefaultAltered = FALSE;
7514 MarkTargetSquares(1);
7515 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7516 if (appData.highlightDragging) {
7517 SetHighlights(x, y, -1, -1);
7521 if (OKToStartUserMove(x, y)) {
7522 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7523 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7524 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7525 gatingPiece = boards[currentMove][fromY][fromX];
7526 else gatingPiece = doubleClick ? fromP : EmptySquare;
7528 fromY = y; dragging = 1;
7529 ReportClick("lift", x, y);
7530 MarkTargetSquares(0);
7531 DragPieceBegin(xPix, yPix, FALSE);
7532 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7533 promoSweep = defaultPromoChoice;
7534 selectFlag = 0; lastX = xPix; lastY = yPix;
7535 Sweep(0); // Pawn that is going to promote: preview promotion piece
7539 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7542 // ignore clicks on holdings
7543 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7546 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7547 DragPieceEnd(xPix, yPix); dragging = 0;
7549 // a deferred attempt to click-click move an empty square on top of a piece
7550 boards[currentMove][y][x] = EmptySquare;
7552 DrawPosition(FALSE, boards[currentMove]);
7553 fromX = fromY = -1; clearFlag = 0;
7556 if (appData.animateDragging) {
7557 /* Undo animation damage if any */
7558 DrawPosition(FALSE, NULL);
7560 if (second || sweepSelecting) {
7561 /* Second up/down in same square; just abort move */
7562 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7563 second = sweepSelecting = 0;
7565 gatingPiece = EmptySquare;
7566 MarkTargetSquares(1);
7569 ClearPremoveHighlights();
7571 /* First upclick in same square; start click-click mode */
7572 SetHighlights(x, y, -1, -1);
7579 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7580 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7581 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7582 DisplayMessage(_("only marked squares are legal"),"");
7583 DrawPosition(TRUE, NULL);
7584 return; // ignore to-click
7587 /* we now have a different from- and (possibly off-board) to-square */
7588 /* Completed move */
7589 if(!sweepSelecting) {
7594 piece = boards[currentMove][fromY][fromX];
7596 saveAnimate = appData.animate;
7597 if (clickType == Press) {
7598 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7599 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7600 // must be Edit Position mode with empty-square selected
7601 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7602 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7605 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7608 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7609 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7611 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7612 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7613 if(appData.sweepSelect) {
7614 promoSweep = defaultPromoChoice;
7615 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7616 selectFlag = 0; lastX = xPix; lastY = yPix;
7617 Sweep(0); // Pawn that is going to promote: preview promotion piece
7619 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7620 MarkTargetSquares(1);
7622 return; // promo popup appears on up-click
7624 /* Finish clickclick move */
7625 if (appData.animate || appData.highlightLastMove) {
7626 SetHighlights(fromX, fromY, toX, toY);
7630 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7631 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7632 if (appData.animate || appData.highlightLastMove) {
7633 SetHighlights(fromX, fromY, toX, toY);
7639 // [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
7640 /* Finish drag move */
7641 if (appData.highlightLastMove) {
7642 SetHighlights(fromX, fromY, toX, toY);
7647 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7648 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7649 dragging *= 2; // flag button-less dragging if we are dragging
7650 MarkTargetSquares(1);
7651 if(x == killX && y == killY) killX = killY = -1; else {
7652 killX = x; killY = y; //remeber this square as intermediate
7653 ReportClick("put", x, y); // and inform engine
7654 ReportClick("lift", x, y);
7655 MarkTargetSquares(0);
7659 DragPieceEnd(xPix, yPix); dragging = 0;
7660 /* Don't animate move and drag both */
7661 appData.animate = FALSE;
7664 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7665 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7666 ChessSquare piece = boards[currentMove][fromY][fromX];
7667 if(gameMode == EditPosition && piece != EmptySquare &&
7668 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7671 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7672 n = PieceToNumber(piece - (int)BlackPawn);
7673 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7674 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7675 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7677 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7678 n = PieceToNumber(piece);
7679 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7680 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7681 boards[currentMove][n][BOARD_WIDTH-2]++;
7683 boards[currentMove][fromY][fromX] = EmptySquare;
7687 MarkTargetSquares(1);
7688 DrawPosition(TRUE, boards[currentMove]);
7692 // off-board moves should not be highlighted
7693 if(x < 0 || y < 0) ClearHighlights();
7694 else ReportClick("put", x, y);
7696 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7698 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7699 SetHighlights(fromX, fromY, toX, toY);
7700 MarkTargetSquares(1);
7701 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7702 // [HGM] super: promotion to captured piece selected from holdings
7703 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7704 promotionChoice = TRUE;
7705 // kludge follows to temporarily execute move on display, without promoting yet
7706 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7707 boards[currentMove][toY][toX] = p;
7708 DrawPosition(FALSE, boards[currentMove]);
7709 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7710 boards[currentMove][toY][toX] = q;
7711 DisplayMessage("Click in holdings to choose piece", "");
7714 PromotionPopUp(promoChoice);
7716 int oldMove = currentMove;
7717 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7718 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7719 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7720 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7721 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7722 DrawPosition(TRUE, boards[currentMove]);
7723 MarkTargetSquares(1);
7726 appData.animate = saveAnimate;
7727 if (appData.animate || appData.animateDragging) {
7728 /* Undo animation damage if needed */
7729 DrawPosition(FALSE, NULL);
7734 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7735 { // front-end-free part taken out of PieceMenuPopup
7736 int whichMenu; int xSqr, ySqr;
7738 if(seekGraphUp) { // [HGM] seekgraph
7739 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7740 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7744 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7745 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7746 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7747 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7748 if(action == Press) {
7749 originalFlip = flipView;
7750 flipView = !flipView; // temporarily flip board to see game from partners perspective
7751 DrawPosition(TRUE, partnerBoard);
7752 DisplayMessage(partnerStatus, "");
7754 } else if(action == Release) {
7755 flipView = originalFlip;
7756 DrawPosition(TRUE, boards[currentMove]);
7762 xSqr = EventToSquare(x, BOARD_WIDTH);
7763 ySqr = EventToSquare(y, BOARD_HEIGHT);
7764 if (action == Release) {
7765 if(pieceSweep != EmptySquare) {
7766 EditPositionMenuEvent(pieceSweep, toX, toY);
7767 pieceSweep = EmptySquare;
7768 } else UnLoadPV(); // [HGM] pv
7770 if (action != Press) return -2; // return code to be ignored
7773 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7775 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7776 if (xSqr < 0 || ySqr < 0) return -1;
7777 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7778 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7779 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7780 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7784 if(!appData.icsEngineAnalyze) return -1;
7785 case IcsPlayingWhite:
7786 case IcsPlayingBlack:
7787 if(!appData.zippyPlay) goto noZip;
7790 case MachinePlaysWhite:
7791 case MachinePlaysBlack:
7792 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7793 if (!appData.dropMenu) {
7795 return 2; // flag front-end to grab mouse events
7797 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7798 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7801 if (xSqr < 0 || ySqr < 0) return -1;
7802 if (!appData.dropMenu || appData.testLegality &&
7803 gameInfo.variant != VariantBughouse &&
7804 gameInfo.variant != VariantCrazyhouse) return -1;
7805 whichMenu = 1; // drop menu
7811 if (((*fromX = xSqr) < 0) ||
7812 ((*fromY = ySqr) < 0)) {
7813 *fromX = *fromY = -1;
7817 *fromX = BOARD_WIDTH - 1 - *fromX;
7819 *fromY = BOARD_HEIGHT - 1 - *fromY;
7825 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7827 // char * hint = lastHint;
7828 FrontEndProgramStats stats;
7830 stats.which = cps == &first ? 0 : 1;
7831 stats.depth = cpstats->depth;
7832 stats.nodes = cpstats->nodes;
7833 stats.score = cpstats->score;
7834 stats.time = cpstats->time;
7835 stats.pv = cpstats->movelist;
7836 stats.hint = lastHint;
7837 stats.an_move_index = 0;
7838 stats.an_move_count = 0;
7840 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7841 stats.hint = cpstats->move_name;
7842 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7843 stats.an_move_count = cpstats->nr_moves;
7846 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
7848 SetProgramStats( &stats );
7852 ClearEngineOutputPane (int which)
7854 static FrontEndProgramStats dummyStats;
7855 dummyStats.which = which;
7856 dummyStats.pv = "#";
7857 SetProgramStats( &dummyStats );
7860 #define MAXPLAYERS 500
7863 TourneyStandings (int display)
7865 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7866 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7867 char result, *p, *names[MAXPLAYERS];
7869 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7870 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7871 names[0] = p = strdup(appData.participants);
7872 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7874 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7876 while(result = appData.results[nr]) {
7877 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7878 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7879 wScore = bScore = 0;
7881 case '+': wScore = 2; break;
7882 case '-': bScore = 2; break;
7883 case '=': wScore = bScore = 1; break;
7885 case '*': return strdup("busy"); // tourney not finished
7893 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7894 for(w=0; w<nPlayers; w++) {
7896 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7897 ranking[w] = b; points[w] = bScore; score[b] = -2;
7899 p = malloc(nPlayers*34+1);
7900 for(w=0; w<nPlayers && w<display; w++)
7901 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7907 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7908 { // count all piece types
7910 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7911 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7912 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7915 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7916 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7917 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7918 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7919 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7920 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7925 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7927 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7928 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7930 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7931 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7932 if(myPawns == 2 && nMine == 3) // KPP
7933 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7934 if(myPawns == 1 && nMine == 2) // KP
7935 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7936 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7937 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7938 if(myPawns) return FALSE;
7939 if(pCnt[WhiteRook+side])
7940 return pCnt[BlackRook-side] ||
7941 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7942 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7943 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7944 if(pCnt[WhiteCannon+side]) {
7945 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7946 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7948 if(pCnt[WhiteKnight+side])
7949 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7954 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7956 VariantClass v = gameInfo.variant;
7958 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7959 if(v == VariantShatranj) return TRUE; // always winnable through baring
7960 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7961 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7963 if(v == VariantXiangqi) {
7964 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7966 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7967 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7968 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7969 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7970 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7971 if(stale) // we have at least one last-rank P plus perhaps C
7972 return majors // KPKX
7973 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7975 return pCnt[WhiteFerz+side] // KCAK
7976 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7977 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7978 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7980 } else if(v == VariantKnightmate) {
7981 if(nMine == 1) return FALSE;
7982 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7983 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7984 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7986 if(nMine == 1) return FALSE; // bare King
7987 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
7988 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7989 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7990 // by now we have King + 1 piece (or multiple Bishops on the same color)
7991 if(pCnt[WhiteKnight+side])
7992 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7993 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7994 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7996 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7997 if(pCnt[WhiteAlfil+side])
7998 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7999 if(pCnt[WhiteWazir+side])
8000 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8007 CompareWithRights (Board b1, Board b2)
8010 if(!CompareBoards(b1, b2)) return FALSE;
8011 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8012 /* compare castling rights */
8013 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8014 rights++; /* King lost rights, while rook still had them */
8015 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8016 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8017 rights++; /* but at least one rook lost them */
8019 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8021 if( b1[CASTLING][5] != NoRights ) {
8022 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8029 Adjudicate (ChessProgramState *cps)
8030 { // [HGM] some adjudications useful with buggy engines
8031 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8032 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8033 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8034 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8035 int k, drop, count = 0; static int bare = 1;
8036 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8037 Boolean canAdjudicate = !appData.icsActive;
8039 // most tests only when we understand the game, i.e. legality-checking on
8040 if( appData.testLegality )
8041 { /* [HGM] Some more adjudications for obstinate engines */
8042 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8043 static int moveCount = 6;
8045 char *reason = NULL;
8047 /* Count what is on board. */
8048 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8050 /* Some material-based adjudications that have to be made before stalemate test */
8051 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8052 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8053 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8054 if(canAdjudicate && appData.checkMates) {
8056 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8057 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8058 "Xboard adjudication: King destroyed", GE_XBOARD );
8063 /* Bare King in Shatranj (loses) or Losers (wins) */
8064 if( nrW == 1 || nrB == 1) {
8065 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8066 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8067 if(canAdjudicate && appData.checkMates) {
8069 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8070 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8071 "Xboard adjudication: Bare king", GE_XBOARD );
8075 if( gameInfo.variant == VariantShatranj && --bare < 0)
8077 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8078 if(canAdjudicate && appData.checkMates) {
8079 /* but only adjudicate if adjudication enabled */
8081 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8082 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8083 "Xboard adjudication: Bare king", GE_XBOARD );
8090 // don't wait for engine to announce game end if we can judge ourselves
8091 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8093 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8094 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8095 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8096 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8099 reason = "Xboard adjudication: 3rd check";
8100 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8111 reason = "Xboard adjudication: Stalemate";
8112 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8113 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8114 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8115 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8116 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8117 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8118 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8119 EP_CHECKMATE : EP_WINS);
8120 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8121 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8125 reason = "Xboard adjudication: Checkmate";
8126 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8127 if(gameInfo.variant == VariantShogi) {
8128 if(forwardMostMove > backwardMostMove
8129 && moveList[forwardMostMove-1][1] == '@'
8130 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8131 reason = "XBoard adjudication: pawn-drop mate";
8132 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8138 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8140 result = GameIsDrawn; break;
8142 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8144 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8148 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8150 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8151 GameEnds( result, reason, GE_XBOARD );
8155 /* Next absolutely insufficient mating material. */
8156 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8157 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8158 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8160 /* always flag draws, for judging claims */
8161 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8163 if(canAdjudicate && appData.materialDraws) {
8164 /* but only adjudicate them if adjudication enabled */
8165 if(engineOpponent) {
8166 SendToProgram("force\n", engineOpponent); // suppress reply
8167 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8169 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8174 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8175 if(gameInfo.variant == VariantXiangqi ?
8176 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8178 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8179 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8180 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8181 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8183 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8184 { /* if the first 3 moves do not show a tactical win, declare draw */
8185 if(engineOpponent) {
8186 SendToProgram("force\n", engineOpponent); // suppress reply
8187 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8189 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8192 } else moveCount = 6;
8195 // Repetition draws and 50-move rule can be applied independently of legality testing
8197 /* Check for rep-draws */
8199 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8200 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8201 for(k = forwardMostMove-2;
8202 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8203 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8204 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8207 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8208 /* compare castling rights */
8209 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8210 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8211 rights++; /* King lost rights, while rook still had them */
8212 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8213 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8214 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8215 rights++; /* but at least one rook lost them */
8217 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8218 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8220 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8221 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8222 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8225 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8226 && appData.drawRepeats > 1) {
8227 /* adjudicate after user-specified nr of repeats */
8228 int result = GameIsDrawn;
8229 char *details = "XBoard adjudication: repetition draw";
8230 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8231 // [HGM] xiangqi: check for forbidden perpetuals
8232 int m, ourPerpetual = 1, hisPerpetual = 1;
8233 for(m=forwardMostMove; m>k; m-=2) {
8234 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8235 ourPerpetual = 0; // the current mover did not always check
8236 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8237 hisPerpetual = 0; // the opponent did not always check
8239 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8240 ourPerpetual, hisPerpetual);
8241 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8242 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8243 details = "Xboard adjudication: perpetual checking";
8245 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8246 break; // (or we would have caught him before). Abort repetition-checking loop.
8248 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8249 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8251 details = "Xboard adjudication: repetition";
8253 } else // it must be XQ
8254 // Now check for perpetual chases
8255 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8256 hisPerpetual = PerpetualChase(k, forwardMostMove);
8257 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8258 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8259 static char resdet[MSG_SIZ];
8260 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8262 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8264 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8265 break; // Abort repetition-checking loop.
8267 // if neither of us is checking or chasing all the time, or both are, it is draw
8269 if(engineOpponent) {
8270 SendToProgram("force\n", engineOpponent); // suppress reply
8271 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8273 GameEnds( result, details, GE_XBOARD );
8276 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8277 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8281 /* Now we test for 50-move draws. Determine ply count */
8282 count = forwardMostMove;
8283 /* look for last irreversble move */
8284 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8286 /* if we hit starting position, add initial plies */
8287 if( count == backwardMostMove )
8288 count -= initialRulePlies;
8289 count = forwardMostMove - count;
8290 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8291 // adjust reversible move counter for checks in Xiangqi
8292 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8293 if(i < backwardMostMove) i = backwardMostMove;
8294 while(i <= forwardMostMove) {
8295 lastCheck = inCheck; // check evasion does not count
8296 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8297 if(inCheck || lastCheck) count--; // check does not count
8302 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8303 /* this is used to judge if draw claims are legal */
8304 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8305 if(engineOpponent) {
8306 SendToProgram("force\n", engineOpponent); // suppress reply
8307 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8309 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8313 /* if draw offer is pending, treat it as a draw claim
8314 * when draw condition present, to allow engines a way to
8315 * claim draws before making their move to avoid a race
8316 * condition occurring after their move
8318 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8320 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8321 p = "Draw claim: 50-move rule";
8322 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8323 p = "Draw claim: 3-fold repetition";
8324 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8325 p = "Draw claim: insufficient mating material";
8326 if( p != NULL && canAdjudicate) {
8327 if(engineOpponent) {
8328 SendToProgram("force\n", engineOpponent); // suppress reply
8329 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8331 GameEnds( GameIsDrawn, p, GE_XBOARD );
8336 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8337 if(engineOpponent) {
8338 SendToProgram("force\n", engineOpponent); // suppress reply
8339 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8341 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8347 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8348 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8349 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8354 int pieces[10], squares[10], cnt=0, r, f, res;
8356 static PPROBE_EGBB probeBB;
8357 if(!appData.testLegality) return 10;
8358 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8359 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8360 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8361 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8362 ChessSquare piece = boards[forwardMostMove][r][f];
8363 int black = (piece >= BlackPawn);
8364 int type = piece - black*BlackPawn;
8365 if(piece == EmptySquare) continue;
8366 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8367 if(type == WhiteKing) type = WhiteQueen + 1;
8368 type = egbbCode[type];
8369 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8370 pieces[cnt] = type + black*6;
8371 if(++cnt > 5) return 11;
8373 pieces[cnt] = squares[cnt] = 0;
8375 if(loaded == 2) return 13; // loading failed before
8377 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8380 loaded = 2; // prepare for failure
8381 if(!path) return 13; // no egbb installed
8382 strncpy(buf, path + 8, MSG_SIZ);
8383 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8384 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8385 lib = LoadLibrary(buf);
8386 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8387 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8388 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8389 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8390 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8391 loaded = 1; // success!
8393 res = probeBB(forwardMostMove & 1, pieces, squares);
8394 return res > 0 ? 1 : res < 0 ? -1 : 0;
8398 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8399 { // [HGM] book: this routine intercepts moves to simulate book replies
8400 char *bookHit = NULL;
8402 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8404 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8405 SendToProgram(buf, cps);
8407 //first determine if the incoming move brings opponent into his book
8408 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8409 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8410 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8411 if(bookHit != NULL && !cps->bookSuspend) {
8412 // make sure opponent is not going to reply after receiving move to book position
8413 SendToProgram("force\n", cps);
8414 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8416 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8417 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8418 // now arrange restart after book miss
8420 // after a book hit we never send 'go', and the code after the call to this routine
8421 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8422 char buf[MSG_SIZ], *move = bookHit;
8424 int fromX, fromY, toX, toY;
8428 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8429 &fromX, &fromY, &toX, &toY, &promoChar)) {
8430 (void) CoordsToAlgebraic(boards[forwardMostMove],
8431 PosFlags(forwardMostMove),
8432 fromY, fromX, toY, toX, promoChar, move);
8434 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8438 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8439 SendToProgram(buf, cps);
8440 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8441 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8442 SendToProgram("go\n", cps);
8443 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8444 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8445 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8446 SendToProgram("go\n", cps);
8447 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8449 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8453 LoadError (char *errmess, ChessProgramState *cps)
8454 { // unloads engine and switches back to -ncp mode if it was first
8455 if(cps->initDone) return FALSE;
8456 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8457 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8460 appData.noChessProgram = TRUE;
8461 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8462 gameMode = BeginningOfGame; ModeHighlight();
8465 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8466 DisplayMessage("", ""); // erase waiting message
8467 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8472 ChessProgramState *savedState;
8474 DeferredBookMove (void)
8476 if(savedState->lastPing != savedState->lastPong)
8477 ScheduleDelayedEvent(DeferredBookMove, 10);
8479 HandleMachineMove(savedMessage, savedState);
8482 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8483 static ChessProgramState *stalledEngine;
8484 static char stashedInputMove[MSG_SIZ];
8487 HandleMachineMove (char *message, ChessProgramState *cps)
8489 static char firstLeg[20];
8490 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8491 char realname[MSG_SIZ];
8492 int fromX, fromY, toX, toY;
8494 char promoChar, roar;
8496 int machineWhite, oldError;
8499 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8500 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8501 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8502 DisplayError(_("Invalid pairing from pairing engine"), 0);
8505 pairingReceived = 1;
8507 return; // Skim the pairing messages here.
8510 oldError = cps->userError; cps->userError = 0;
8512 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8514 * Kludge to ignore BEL characters
8516 while (*message == '\007') message++;
8519 * [HGM] engine debug message: ignore lines starting with '#' character
8521 if(cps->debug && *message == '#') return;
8524 * Look for book output
8526 if (cps == &first && bookRequested) {
8527 if (message[0] == '\t' || message[0] == ' ') {
8528 /* Part of the book output is here; append it */
8529 strcat(bookOutput, message);
8530 strcat(bookOutput, " \n");
8532 } else if (bookOutput[0] != NULLCHAR) {
8533 /* All of book output has arrived; display it */
8534 char *p = bookOutput;
8535 while (*p != NULLCHAR) {
8536 if (*p == '\t') *p = ' ';
8539 DisplayInformation(bookOutput);
8540 bookRequested = FALSE;
8541 /* Fall through to parse the current output */
8546 * Look for machine move.
8548 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8549 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8551 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8552 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8553 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8554 stalledEngine = cps;
8555 if(appData.ponderNextMove) { // bring opponent out of ponder
8556 if(gameMode == TwoMachinesPlay) {
8557 if(cps->other->pause)
8558 PauseEngine(cps->other);
8560 SendToProgram("easy\n", cps->other);
8567 /* This method is only useful on engines that support ping */
8568 if (cps->lastPing != cps->lastPong) {
8569 if (gameMode == BeginningOfGame) {
8570 /* Extra move from before last new; ignore */
8571 if (appData.debugMode) {
8572 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8575 if (appData.debugMode) {
8576 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8577 cps->which, gameMode);
8580 SendToProgram("undo\n", cps);
8586 case BeginningOfGame:
8587 /* Extra move from before last reset; ignore */
8588 if (appData.debugMode) {
8589 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8596 /* Extra move after we tried to stop. The mode test is
8597 not a reliable way of detecting this problem, but it's
8598 the best we can do on engines that don't support ping.
8600 if (appData.debugMode) {
8601 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8602 cps->which, gameMode);
8604 SendToProgram("undo\n", cps);
8607 case MachinePlaysWhite:
8608 case IcsPlayingWhite:
8609 machineWhite = TRUE;
8612 case MachinePlaysBlack:
8613 case IcsPlayingBlack:
8614 machineWhite = FALSE;
8617 case TwoMachinesPlay:
8618 machineWhite = (cps->twoMachinesColor[0] == 'w');
8621 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8622 if (appData.debugMode) {
8624 "Ignoring move out of turn by %s, gameMode %d"
8625 ", forwardMost %d\n",
8626 cps->which, gameMode, forwardMostMove);
8631 if(cps->alphaRank) AlphaRank(machineMove, 4);
8633 // [HGM] lion: (some very limited) support for Alien protocol
8635 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8636 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8638 } else if(firstLeg[0]) { // there was a previous leg;
8639 // only support case where same piece makes two step (and don't even test that!)
8640 char buf[20], *p = machineMove+1, *q = buf+1, f;
8641 safeStrCpy(buf, machineMove, 20);
8642 while(isdigit(*q)) q++; // find start of to-square
8643 safeStrCpy(machineMove, firstLeg, 20);
8644 while(isdigit(*p)) p++;
8645 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8646 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8647 firstLeg[0] = NULLCHAR;
8650 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8651 &fromX, &fromY, &toX, &toY, &promoChar)) {
8652 /* Machine move could not be parsed; ignore it. */
8653 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8654 machineMove, _(cps->which));
8655 DisplayMoveError(buf1);
8656 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8657 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8658 if (gameMode == TwoMachinesPlay) {
8659 GameEnds(machineWhite ? BlackWins : WhiteWins,
8665 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8666 /* So we have to redo legality test with true e.p. status here, */
8667 /* to make sure an illegal e.p. capture does not slip through, */
8668 /* to cause a forfeit on a justified illegal-move complaint */
8669 /* of the opponent. */
8670 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8672 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8673 fromY, fromX, toY, toX, promoChar);
8674 if(moveType == IllegalMove) {
8675 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8676 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8677 GameEnds(machineWhite ? BlackWins : WhiteWins,
8680 } else if(!appData.fischerCastling)
8681 /* [HGM] Kludge to handle engines that send FRC-style castling
8682 when they shouldn't (like TSCP-Gothic) */
8684 case WhiteASideCastleFR:
8685 case BlackASideCastleFR:
8687 currentMoveString[2]++;
8689 case WhiteHSideCastleFR:
8690 case BlackHSideCastleFR:
8692 currentMoveString[2]--;
8694 default: ; // nothing to do, but suppresses warning of pedantic compilers
8697 hintRequested = FALSE;
8698 lastHint[0] = NULLCHAR;
8699 bookRequested = FALSE;
8700 /* Program may be pondering now */
8701 cps->maybeThinking = TRUE;
8702 if (cps->sendTime == 2) cps->sendTime = 1;
8703 if (cps->offeredDraw) cps->offeredDraw--;
8705 /* [AS] Save move info*/
8706 pvInfoList[ forwardMostMove ].score = programStats.score;
8707 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8708 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8710 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8712 /* Test suites abort the 'game' after one move */
8713 if(*appData.finger) {
8715 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8716 if(!f) f = fopen(appData.finger, "w");
8717 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8718 else { DisplayFatalError("Bad output file", errno, 0); return; }
8720 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8723 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8724 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8727 while( count < adjudicateLossPlies ) {
8728 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8731 score = -score; /* Flip score for winning side */
8734 if( score > appData.adjudicateLossThreshold ) {
8741 if( count >= adjudicateLossPlies ) {
8742 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8744 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8745 "Xboard adjudication",
8752 if(Adjudicate(cps)) {
8753 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8754 return; // [HGM] adjudicate: for all automatic game ends
8758 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8760 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8761 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8763 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8765 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8767 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8768 char buf[3*MSG_SIZ];
8770 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8771 programStats.score / 100.,
8773 programStats.time / 100.,
8774 (unsigned int)programStats.nodes,
8775 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8776 programStats.movelist);
8782 /* [AS] Clear stats for next move */
8783 ClearProgramStats();
8784 thinkOutput[0] = NULLCHAR;
8785 hiddenThinkOutputState = 0;
8788 if (gameMode == TwoMachinesPlay) {
8789 /* [HGM] relaying draw offers moved to after reception of move */
8790 /* and interpreting offer as claim if it brings draw condition */
8791 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8792 SendToProgram("draw\n", cps->other);
8794 if (cps->other->sendTime) {
8795 SendTimeRemaining(cps->other,
8796 cps->other->twoMachinesColor[0] == 'w');
8798 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8799 if (firstMove && !bookHit) {
8801 if (cps->other->useColors) {
8802 SendToProgram(cps->other->twoMachinesColor, cps->other);
8804 SendToProgram("go\n", cps->other);
8806 cps->other->maybeThinking = TRUE;
8809 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8811 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8813 if (!pausing && appData.ringBellAfterMoves) {
8814 if(!roar) RingBell();
8818 * Reenable menu items that were disabled while
8819 * machine was thinking
8821 if (gameMode != TwoMachinesPlay)
8822 SetUserThinkingEnables();
8824 // [HGM] book: after book hit opponent has received move and is now in force mode
8825 // force the book reply into it, and then fake that it outputted this move by jumping
8826 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8828 static char bookMove[MSG_SIZ]; // a bit generous?
8830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8831 strcat(bookMove, bookHit);
8834 programStats.nodes = programStats.depth = programStats.time =
8835 programStats.score = programStats.got_only_move = 0;
8836 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8838 if(cps->lastPing != cps->lastPong) {
8839 savedMessage = message; // args for deferred call
8841 ScheduleDelayedEvent(DeferredBookMove, 10);
8850 /* Set special modes for chess engines. Later something general
8851 * could be added here; for now there is just one kludge feature,
8852 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8853 * when "xboard" is given as an interactive command.
8855 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8856 cps->useSigint = FALSE;
8857 cps->useSigterm = FALSE;
8859 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8860 ParseFeatures(message+8, cps);
8861 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8864 if (!strncmp(message, "setup ", 6) &&
8865 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8866 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8867 ) { // [HGM] allow first engine to define opening position
8868 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8869 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8871 if(sscanf(message, "setup (%s", buf) == 1) {
8872 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8873 ASSIGN(appData.pieceToCharTable, buf);
8875 if(startedFromSetupPosition) return;
8876 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8878 while(message[s] && message[s++] != ' ');
8879 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8880 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8881 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8882 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8883 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8884 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8887 ParseFEN(boards[0], &dummy, message+s, FALSE);
8888 DrawPosition(TRUE, boards[0]);
8889 startedFromSetupPosition = TRUE;
8892 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8893 ChessSquare piece = WhitePawn;
8895 if(cps != &first || appData.testLegality) return;
8896 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8897 piece += CharToPiece(*p) - WhitePawn;
8898 if(piece < EmptySquare) {
8900 ASSIGN(pieceDesc[piece], buf1);
8901 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8905 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8906 * want this, I was asked to put it in, and obliged.
8908 if (!strncmp(message, "setboard ", 9)) {
8909 Board initial_position;
8911 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8913 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8914 DisplayError(_("Bad FEN received from engine"), 0);
8918 CopyBoard(boards[0], initial_position);
8919 initialRulePlies = FENrulePlies;
8920 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8921 else gameMode = MachinePlaysBlack;
8922 DrawPosition(FALSE, boards[currentMove]);
8928 * Look for communication commands
8930 if (!strncmp(message, "telluser ", 9)) {
8931 if(message[9] == '\\' && message[10] == '\\')
8932 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8934 DisplayNote(message + 9);
8937 if (!strncmp(message, "tellusererror ", 14)) {
8939 if(message[14] == '\\' && message[15] == '\\')
8940 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8942 DisplayError(message + 14, 0);
8945 if (!strncmp(message, "tellopponent ", 13)) {
8946 if (appData.icsActive) {
8948 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8952 DisplayNote(message + 13);
8956 if (!strncmp(message, "tellothers ", 11)) {
8957 if (appData.icsActive) {
8959 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8962 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8965 if (!strncmp(message, "tellall ", 8)) {
8966 if (appData.icsActive) {
8968 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8972 DisplayNote(message + 8);
8976 if (strncmp(message, "warning", 7) == 0) {
8977 /* Undocumented feature, use tellusererror in new code */
8978 DisplayError(message, 0);
8981 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8982 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8983 strcat(realname, " query");
8984 AskQuestion(realname, buf2, buf1, cps->pr);
8987 /* Commands from the engine directly to ICS. We don't allow these to be
8988 * sent until we are logged on. Crafty kibitzes have been known to
8989 * interfere with the login process.
8992 if (!strncmp(message, "tellics ", 8)) {
8993 SendToICS(message + 8);
8997 if (!strncmp(message, "tellicsnoalias ", 15)) {
8998 SendToICS(ics_prefix);
8999 SendToICS(message + 15);
9003 /* The following are for backward compatibility only */
9004 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9005 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9006 SendToICS(ics_prefix);
9012 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9013 if(initPing == cps->lastPong) {
9014 if(gameInfo.variant == VariantUnknown) {
9015 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9016 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9017 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9023 if(!strncmp(message, "highlight ", 10)) {
9024 if(appData.testLegality && appData.markers) return;
9025 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9028 if(!strncmp(message, "click ", 6)) {
9029 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9030 if(appData.testLegality || !appData.oneClick) return;
9031 sscanf(message+6, "%c%d%c", &f, &y, &c);
9032 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9033 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9034 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9035 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9036 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9037 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9038 LeftClick(Release, lastLeftX, lastLeftY);
9039 controlKey = (c == ',');
9040 LeftClick(Press, x, y);
9041 LeftClick(Release, x, y);
9042 first.highlight = f;
9046 * If the move is illegal, cancel it and redraw the board.
9047 * Also deal with other error cases. Matching is rather loose
9048 * here to accommodate engines written before the spec.
9050 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9051 strncmp(message, "Error", 5) == 0) {
9052 if (StrStr(message, "name") ||
9053 StrStr(message, "rating") || StrStr(message, "?") ||
9054 StrStr(message, "result") || StrStr(message, "board") ||
9055 StrStr(message, "bk") || StrStr(message, "computer") ||
9056 StrStr(message, "variant") || StrStr(message, "hint") ||
9057 StrStr(message, "random") || StrStr(message, "depth") ||
9058 StrStr(message, "accepted")) {
9061 if (StrStr(message, "protover")) {
9062 /* Program is responding to input, so it's apparently done
9063 initializing, and this error message indicates it is
9064 protocol version 1. So we don't need to wait any longer
9065 for it to initialize and send feature commands. */
9066 FeatureDone(cps, 1);
9067 cps->protocolVersion = 1;
9070 cps->maybeThinking = FALSE;
9072 if (StrStr(message, "draw")) {
9073 /* Program doesn't have "draw" command */
9074 cps->sendDrawOffers = 0;
9077 if (cps->sendTime != 1 &&
9078 (StrStr(message, "time") || StrStr(message, "otim"))) {
9079 /* Program apparently doesn't have "time" or "otim" command */
9083 if (StrStr(message, "analyze")) {
9084 cps->analysisSupport = FALSE;
9085 cps->analyzing = FALSE;
9086 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9087 EditGameEvent(); // [HGM] try to preserve loaded game
9088 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9089 DisplayError(buf2, 0);
9092 if (StrStr(message, "(no matching move)st")) {
9093 /* Special kludge for GNU Chess 4 only */
9094 cps->stKludge = TRUE;
9095 SendTimeControl(cps, movesPerSession, timeControl,
9096 timeIncrement, appData.searchDepth,
9100 if (StrStr(message, "(no matching move)sd")) {
9101 /* Special kludge for GNU Chess 4 only */
9102 cps->sdKludge = TRUE;
9103 SendTimeControl(cps, movesPerSession, timeControl,
9104 timeIncrement, appData.searchDepth,
9108 if (!StrStr(message, "llegal")) {
9111 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9112 gameMode == IcsIdle) return;
9113 if (forwardMostMove <= backwardMostMove) return;
9114 if (pausing) PauseEvent();
9115 if(appData.forceIllegal) {
9116 // [HGM] illegal: machine refused move; force position after move into it
9117 SendToProgram("force\n", cps);
9118 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9119 // we have a real problem now, as SendBoard will use the a2a3 kludge
9120 // when black is to move, while there might be nothing on a2 or black
9121 // might already have the move. So send the board as if white has the move.
9122 // But first we must change the stm of the engine, as it refused the last move
9123 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9124 if(WhiteOnMove(forwardMostMove)) {
9125 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9126 SendBoard(cps, forwardMostMove); // kludgeless board
9128 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9129 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9130 SendBoard(cps, forwardMostMove+1); // kludgeless board
9132 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9133 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9134 gameMode == TwoMachinesPlay)
9135 SendToProgram("go\n", cps);
9138 if (gameMode == PlayFromGameFile) {
9139 /* Stop reading this game file */
9140 gameMode = EditGame;
9143 /* [HGM] illegal-move claim should forfeit game when Xboard */
9144 /* only passes fully legal moves */
9145 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9146 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9147 "False illegal-move claim", GE_XBOARD );
9148 return; // do not take back move we tested as valid
9150 currentMove = forwardMostMove-1;
9151 DisplayMove(currentMove-1); /* before DisplayMoveError */
9152 SwitchClocks(forwardMostMove-1); // [HGM] race
9153 DisplayBothClocks();
9154 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9155 parseList[currentMove], _(cps->which));
9156 DisplayMoveError(buf1);
9157 DrawPosition(FALSE, boards[currentMove]);
9159 SetUserThinkingEnables();
9162 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9163 /* Program has a broken "time" command that
9164 outputs a string not ending in newline.
9168 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9169 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9170 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9174 * If chess program startup fails, exit with an error message.
9175 * Attempts to recover here are futile. [HGM] Well, we try anyway
9177 if ((StrStr(message, "unknown host") != NULL)
9178 || (StrStr(message, "No remote directory") != NULL)
9179 || (StrStr(message, "not found") != NULL)
9180 || (StrStr(message, "No such file") != NULL)
9181 || (StrStr(message, "can't alloc") != NULL)
9182 || (StrStr(message, "Permission denied") != NULL)) {
9184 cps->maybeThinking = FALSE;
9185 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9186 _(cps->which), cps->program, cps->host, message);
9187 RemoveInputSource(cps->isr);
9188 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9189 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9190 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9196 * Look for hint output
9198 if (sscanf(message, "Hint: %s", buf1) == 1) {
9199 if (cps == &first && hintRequested) {
9200 hintRequested = FALSE;
9201 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9202 &fromX, &fromY, &toX, &toY, &promoChar)) {
9203 (void) CoordsToAlgebraic(boards[forwardMostMove],
9204 PosFlags(forwardMostMove),
9205 fromY, fromX, toY, toX, promoChar, buf1);
9206 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9207 DisplayInformation(buf2);
9209 /* Hint move could not be parsed!? */
9210 snprintf(buf2, sizeof(buf2),
9211 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9212 buf1, _(cps->which));
9213 DisplayError(buf2, 0);
9216 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9222 * Ignore other messages if game is not in progress
9224 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9225 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9228 * look for win, lose, draw, or draw offer
9230 if (strncmp(message, "1-0", 3) == 0) {
9231 char *p, *q, *r = "";
9232 p = strchr(message, '{');
9240 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9242 } else if (strncmp(message, "0-1", 3) == 0) {
9243 char *p, *q, *r = "";
9244 p = strchr(message, '{');
9252 /* Kludge for Arasan 4.1 bug */
9253 if (strcmp(r, "Black resigns") == 0) {
9254 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9257 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9259 } else if (strncmp(message, "1/2", 3) == 0) {
9260 char *p, *q, *r = "";
9261 p = strchr(message, '{');
9270 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9273 } else if (strncmp(message, "White resign", 12) == 0) {
9274 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9276 } else if (strncmp(message, "Black resign", 12) == 0) {
9277 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9279 } else if (strncmp(message, "White matches", 13) == 0 ||
9280 strncmp(message, "Black matches", 13) == 0 ) {
9281 /* [HGM] ignore GNUShogi noises */
9283 } else if (strncmp(message, "White", 5) == 0 &&
9284 message[5] != '(' &&
9285 StrStr(message, "Black") == NULL) {
9286 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9288 } else if (strncmp(message, "Black", 5) == 0 &&
9289 message[5] != '(') {
9290 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9292 } else if (strcmp(message, "resign") == 0 ||
9293 strcmp(message, "computer resigns") == 0) {
9295 case MachinePlaysBlack:
9296 case IcsPlayingBlack:
9297 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9299 case MachinePlaysWhite:
9300 case IcsPlayingWhite:
9301 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9303 case TwoMachinesPlay:
9304 if (cps->twoMachinesColor[0] == 'w')
9305 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9307 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9314 } else if (strncmp(message, "opponent mates", 14) == 0) {
9316 case MachinePlaysBlack:
9317 case IcsPlayingBlack:
9318 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9320 case MachinePlaysWhite:
9321 case IcsPlayingWhite:
9322 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9324 case TwoMachinesPlay:
9325 if (cps->twoMachinesColor[0] == 'w')
9326 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9328 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9335 } else if (strncmp(message, "computer mates", 14) == 0) {
9337 case MachinePlaysBlack:
9338 case IcsPlayingBlack:
9339 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9341 case MachinePlaysWhite:
9342 case IcsPlayingWhite:
9343 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9345 case TwoMachinesPlay:
9346 if (cps->twoMachinesColor[0] == 'w')
9347 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9349 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9356 } else if (strncmp(message, "checkmate", 9) == 0) {
9357 if (WhiteOnMove(forwardMostMove)) {
9358 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9360 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9363 } else if (strstr(message, "Draw") != NULL ||
9364 strstr(message, "game is a draw") != NULL) {
9365 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9367 } else if (strstr(message, "offer") != NULL &&
9368 strstr(message, "draw") != NULL) {
9370 if (appData.zippyPlay && first.initDone) {
9371 /* Relay offer to ICS */
9372 SendToICS(ics_prefix);
9373 SendToICS("draw\n");
9376 cps->offeredDraw = 2; /* valid until this engine moves twice */
9377 if (gameMode == TwoMachinesPlay) {
9378 if (cps->other->offeredDraw) {
9379 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9380 /* [HGM] in two-machine mode we delay relaying draw offer */
9381 /* until after we also have move, to see if it is really claim */
9383 } else if (gameMode == MachinePlaysWhite ||
9384 gameMode == MachinePlaysBlack) {
9385 if (userOfferedDraw) {
9386 DisplayInformation(_("Machine accepts your draw offer"));
9387 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9389 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9396 * Look for thinking output
9398 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9399 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9401 int plylev, mvleft, mvtot, curscore, time;
9402 char mvname[MOVE_LEN];
9406 int prefixHint = FALSE;
9407 mvname[0] = NULLCHAR;
9410 case MachinePlaysBlack:
9411 case IcsPlayingBlack:
9412 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9414 case MachinePlaysWhite:
9415 case IcsPlayingWhite:
9416 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9421 case IcsObserving: /* [DM] icsEngineAnalyze */
9422 if (!appData.icsEngineAnalyze) ignore = TRUE;
9424 case TwoMachinesPlay:
9425 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9435 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9437 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9438 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9440 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9441 nodes += u64Const(0x100000000);
9443 if (plyext != ' ' && plyext != '\t') {
9447 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9448 if( cps->scoreIsAbsolute &&
9449 ( gameMode == MachinePlaysBlack ||
9450 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9451 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9452 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9453 !WhiteOnMove(currentMove)
9456 curscore = -curscore;
9459 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9461 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9464 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9465 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9466 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9467 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9468 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9469 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9473 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9474 DisplayError(_("failed writing PV"), 0);
9477 tempStats.depth = plylev;
9478 tempStats.nodes = nodes;
9479 tempStats.time = time;
9480 tempStats.score = curscore;
9481 tempStats.got_only_move = 0;
9483 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9486 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9487 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9488 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9489 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9490 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9491 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9492 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9493 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9496 /* Buffer overflow protection */
9497 if (pv[0] != NULLCHAR) {
9498 if (strlen(pv) >= sizeof(tempStats.movelist)
9499 && appData.debugMode) {
9501 "PV is too long; using the first %u bytes.\n",
9502 (unsigned) sizeof(tempStats.movelist) - 1);
9505 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9507 sprintf(tempStats.movelist, " no PV\n");
9510 if (tempStats.seen_stat) {
9511 tempStats.ok_to_send = 1;
9514 if (strchr(tempStats.movelist, '(') != NULL) {
9515 tempStats.line_is_book = 1;
9516 tempStats.nr_moves = 0;
9517 tempStats.moves_left = 0;
9519 tempStats.line_is_book = 0;
9522 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9523 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9525 SendProgramStatsToFrontend( cps, &tempStats );
9528 [AS] Protect the thinkOutput buffer from overflow... this
9529 is only useful if buf1 hasn't overflowed first!
9531 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9533 (gameMode == TwoMachinesPlay ?
9534 ToUpper(cps->twoMachinesColor[0]) : ' '),
9535 ((double) curscore) / 100.0,
9536 prefixHint ? lastHint : "",
9537 prefixHint ? " " : "" );
9539 if( buf1[0] != NULLCHAR ) {
9540 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9542 if( strlen(pv) > max_len ) {
9543 if( appData.debugMode) {
9544 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9546 pv[max_len+1] = '\0';
9549 strcat( thinkOutput, pv);
9552 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9553 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9554 DisplayMove(currentMove - 1);
9558 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9559 /* crafty (9.25+) says "(only move) <move>"
9560 * if there is only 1 legal move
9562 sscanf(p, "(only move) %s", buf1);
9563 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9564 sprintf(programStats.movelist, "%s (only move)", buf1);
9565 programStats.depth = 1;
9566 programStats.nr_moves = 1;
9567 programStats.moves_left = 1;
9568 programStats.nodes = 1;
9569 programStats.time = 1;
9570 programStats.got_only_move = 1;
9572 /* Not really, but we also use this member to
9573 mean "line isn't going to change" (Crafty
9574 isn't searching, so stats won't change) */
9575 programStats.line_is_book = 1;
9577 SendProgramStatsToFrontend( cps, &programStats );
9579 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9580 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9581 DisplayMove(currentMove - 1);
9584 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9585 &time, &nodes, &plylev, &mvleft,
9586 &mvtot, mvname) >= 5) {
9587 /* The stat01: line is from Crafty (9.29+) in response
9588 to the "." command */
9589 programStats.seen_stat = 1;
9590 cps->maybeThinking = TRUE;
9592 if (programStats.got_only_move || !appData.periodicUpdates)
9595 programStats.depth = plylev;
9596 programStats.time = time;
9597 programStats.nodes = nodes;
9598 programStats.moves_left = mvleft;
9599 programStats.nr_moves = mvtot;
9600 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9601 programStats.ok_to_send = 1;
9602 programStats.movelist[0] = '\0';
9604 SendProgramStatsToFrontend( cps, &programStats );
9608 } else if (strncmp(message,"++",2) == 0) {
9609 /* Crafty 9.29+ outputs this */
9610 programStats.got_fail = 2;
9613 } else if (strncmp(message,"--",2) == 0) {
9614 /* Crafty 9.29+ outputs this */
9615 programStats.got_fail = 1;
9618 } else if (thinkOutput[0] != NULLCHAR &&
9619 strncmp(message, " ", 4) == 0) {
9620 unsigned message_len;
9623 while (*p && *p == ' ') p++;
9625 message_len = strlen( p );
9627 /* [AS] Avoid buffer overflow */
9628 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9629 strcat(thinkOutput, " ");
9630 strcat(thinkOutput, p);
9633 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9634 strcat(programStats.movelist, " ");
9635 strcat(programStats.movelist, p);
9638 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9639 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9640 DisplayMove(currentMove - 1);
9648 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9649 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9651 ChessProgramStats cpstats;
9653 if (plyext != ' ' && plyext != '\t') {
9657 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9658 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9659 curscore = -curscore;
9662 cpstats.depth = plylev;
9663 cpstats.nodes = nodes;
9664 cpstats.time = time;
9665 cpstats.score = curscore;
9666 cpstats.got_only_move = 0;
9667 cpstats.movelist[0] = '\0';
9669 if (buf1[0] != NULLCHAR) {
9670 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9673 cpstats.ok_to_send = 0;
9674 cpstats.line_is_book = 0;
9675 cpstats.nr_moves = 0;
9676 cpstats.moves_left = 0;
9678 SendProgramStatsToFrontend( cps, &cpstats );
9685 /* Parse a game score from the character string "game", and
9686 record it as the history of the current game. The game
9687 score is NOT assumed to start from the standard position.
9688 The display is not updated in any way.
9691 ParseGameHistory (char *game)
9694 int fromX, fromY, toX, toY, boardIndex;
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Parsing game history: %s\n", game);
9702 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9703 gameInfo.site = StrSave(appData.icsHost);
9704 gameInfo.date = PGNDate();
9705 gameInfo.round = StrSave("-");
9707 /* Parse out names of players */
9708 while (*game == ' ') game++;
9710 while (*game != ' ') *p++ = *game++;
9712 gameInfo.white = StrSave(buf);
9713 while (*game == ' ') game++;
9715 while (*game != ' ' && *game != '\n') *p++ = *game++;
9717 gameInfo.black = StrSave(buf);
9720 boardIndex = blackPlaysFirst ? 1 : 0;
9723 yyboardindex = boardIndex;
9724 moveType = (ChessMove) Myylex();
9726 case IllegalMove: /* maybe suicide chess, etc. */
9727 if (appData.debugMode) {
9728 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9729 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9730 setbuf(debugFP, NULL);
9732 case WhitePromotion:
9733 case BlackPromotion:
9734 case WhiteNonPromotion:
9735 case BlackNonPromotion:
9738 case WhiteCapturesEnPassant:
9739 case BlackCapturesEnPassant:
9740 case WhiteKingSideCastle:
9741 case WhiteQueenSideCastle:
9742 case BlackKingSideCastle:
9743 case BlackQueenSideCastle:
9744 case WhiteKingSideCastleWild:
9745 case WhiteQueenSideCastleWild:
9746 case BlackKingSideCastleWild:
9747 case BlackQueenSideCastleWild:
9749 case WhiteHSideCastleFR:
9750 case WhiteASideCastleFR:
9751 case BlackHSideCastleFR:
9752 case BlackASideCastleFR:
9754 fromX = currentMoveString[0] - AAA;
9755 fromY = currentMoveString[1] - ONE;
9756 toX = currentMoveString[2] - AAA;
9757 toY = currentMoveString[3] - ONE;
9758 promoChar = currentMoveString[4];
9762 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9763 fromX = moveType == WhiteDrop ?
9764 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9765 (int) CharToPiece(ToLower(currentMoveString[0]));
9767 toX = currentMoveString[2] - AAA;
9768 toY = currentMoveString[3] - ONE;
9769 promoChar = NULLCHAR;
9773 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9774 if (appData.debugMode) {
9775 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9776 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9777 setbuf(debugFP, NULL);
9779 DisplayError(buf, 0);
9781 case ImpossibleMove:
9783 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9784 if (appData.debugMode) {
9785 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9786 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9787 setbuf(debugFP, NULL);
9789 DisplayError(buf, 0);
9792 if (boardIndex < backwardMostMove) {
9793 /* Oops, gap. How did that happen? */
9794 DisplayError(_("Gap in move list"), 0);
9797 backwardMostMove = blackPlaysFirst ? 1 : 0;
9798 if (boardIndex > forwardMostMove) {
9799 forwardMostMove = boardIndex;
9803 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9804 strcat(parseList[boardIndex-1], " ");
9805 strcat(parseList[boardIndex-1], yy_text);
9817 case GameUnfinished:
9818 if (gameMode == IcsExamining) {
9819 if (boardIndex < backwardMostMove) {
9820 /* Oops, gap. How did that happen? */
9823 backwardMostMove = blackPlaysFirst ? 1 : 0;
9826 gameInfo.result = moveType;
9827 p = strchr(yy_text, '{');
9828 if (p == NULL) p = strchr(yy_text, '(');
9831 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9833 q = strchr(p, *p == '{' ? '}' : ')');
9834 if (q != NULL) *q = NULLCHAR;
9837 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9838 gameInfo.resultDetails = StrSave(p);
9841 if (boardIndex >= forwardMostMove &&
9842 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9843 backwardMostMove = blackPlaysFirst ? 1 : 0;
9846 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9847 fromY, fromX, toY, toX, promoChar,
9848 parseList[boardIndex]);
9849 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9850 /* currentMoveString is set as a side-effect of yylex */
9851 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9852 strcat(moveList[boardIndex], "\n");
9854 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9855 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9861 if(!IS_SHOGI(gameInfo.variant))
9862 strcat(parseList[boardIndex - 1], "+");
9866 strcat(parseList[boardIndex - 1], "#");
9873 /* Apply a move to the given board */
9875 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9877 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9878 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9880 /* [HGM] compute & store e.p. status and castling rights for new position */
9881 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9883 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9884 oldEP = (signed char)board[EP_STATUS];
9885 board[EP_STATUS] = EP_NONE;
9886 board[EP_FILE] = board[EP_RANK] = 100;
9888 if (fromY == DROP_RANK) {
9890 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9891 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9894 piece = board[toY][toX] = (ChessSquare) fromX;
9896 // ChessSquare victim;
9899 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9900 // victim = board[killY][killX],
9901 board[killY][killX] = EmptySquare,
9902 board[EP_STATUS] = EP_CAPTURE;
9904 if( board[toY][toX] != EmptySquare ) {
9905 board[EP_STATUS] = EP_CAPTURE;
9906 if( (fromX != toX || fromY != toY) && // not igui!
9907 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9908 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9909 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9913 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9914 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9915 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9917 if( board[fromY][fromX] == WhitePawn ) {
9918 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9919 board[EP_STATUS] = EP_PAWN_MOVE;
9921 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9922 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9923 gameInfo.variant != VariantBerolina || toX < fromX)
9924 board[EP_STATUS] = toX | berolina;
9925 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9926 gameInfo.variant != VariantBerolina || toX > fromX)
9927 board[EP_STATUS] = toX;
9930 if( board[fromY][fromX] == BlackPawn ) {
9931 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9932 board[EP_STATUS] = EP_PAWN_MOVE;
9933 if( toY-fromY== -2) {
9934 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9935 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9936 gameInfo.variant != VariantBerolina || toX < fromX)
9937 board[EP_STATUS] = toX | berolina;
9938 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9939 gameInfo.variant != VariantBerolina || toX > fromX)
9940 board[EP_STATUS] = toX;
9944 for(i=0; i<nrCastlingRights; i++) {
9945 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9946 board[CASTLING][i] == toX && castlingRank[i] == toY
9947 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9950 if(gameInfo.variant == VariantSChess) { // update virginity
9951 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9952 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9953 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9954 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9957 if (fromX == toX && fromY == toY) return;
9959 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9960 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9961 if(gameInfo.variant == VariantKnightmate)
9962 king += (int) WhiteUnicorn - (int) WhiteKing;
9964 /* Code added by Tord: */
9965 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9966 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9967 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9968 board[fromY][fromX] = EmptySquare;
9969 board[toY][toX] = EmptySquare;
9970 if((toX > fromX) != (piece == WhiteRook)) {
9971 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9973 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9975 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9976 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9977 board[fromY][fromX] = EmptySquare;
9978 board[toY][toX] = EmptySquare;
9979 if((toX > fromX) != (piece == BlackRook)) {
9980 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9982 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9984 /* End of code added by Tord */
9986 } else if (board[fromY][fromX] == king
9987 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9988 && toY == fromY && toX > fromX+1) {
9989 board[fromY][fromX] = EmptySquare;
9990 board[toY][toX] = king;
9991 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9992 board[fromY][BOARD_RGHT-1] = EmptySquare;
9993 } else if (board[fromY][fromX] == king
9994 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9995 && toY == fromY && toX < fromX-1) {
9996 board[fromY][fromX] = EmptySquare;
9997 board[toY][toX] = king;
9998 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9999 board[fromY][BOARD_LEFT] = EmptySquare;
10000 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10001 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10002 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10004 /* white pawn promotion */
10005 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10006 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10007 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10008 board[fromY][fromX] = EmptySquare;
10009 } else if ((fromY >= BOARD_HEIGHT>>1)
10010 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10012 && gameInfo.variant != VariantXiangqi
10013 && gameInfo.variant != VariantBerolina
10014 && (board[fromY][fromX] == WhitePawn)
10015 && (board[toY][toX] == EmptySquare)) {
10016 board[fromY][fromX] = EmptySquare;
10017 board[toY][toX] = WhitePawn;
10018 captured = board[toY - 1][toX];
10019 board[toY - 1][toX] = EmptySquare;
10020 } else if ((fromY == BOARD_HEIGHT-4)
10022 && gameInfo.variant == VariantBerolina
10023 && (board[fromY][fromX] == WhitePawn)
10024 && (board[toY][toX] == EmptySquare)) {
10025 board[fromY][fromX] = EmptySquare;
10026 board[toY][toX] = WhitePawn;
10027 if(oldEP & EP_BEROLIN_A) {
10028 captured = board[fromY][fromX-1];
10029 board[fromY][fromX-1] = EmptySquare;
10030 }else{ captured = board[fromY][fromX+1];
10031 board[fromY][fromX+1] = EmptySquare;
10033 } else if (board[fromY][fromX] == king
10034 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10035 && toY == fromY && toX > fromX+1) {
10036 board[fromY][fromX] = EmptySquare;
10037 board[toY][toX] = king;
10038 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10039 board[fromY][BOARD_RGHT-1] = EmptySquare;
10040 } else if (board[fromY][fromX] == king
10041 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10042 && toY == fromY && toX < fromX-1) {
10043 board[fromY][fromX] = EmptySquare;
10044 board[toY][toX] = king;
10045 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10046 board[fromY][BOARD_LEFT] = EmptySquare;
10047 } else if (fromY == 7 && fromX == 3
10048 && board[fromY][fromX] == BlackKing
10049 && toY == 7 && toX == 5) {
10050 board[fromY][fromX] = EmptySquare;
10051 board[toY][toX] = BlackKing;
10052 board[fromY][7] = EmptySquare;
10053 board[toY][4] = BlackRook;
10054 } else if (fromY == 7 && fromX == 3
10055 && board[fromY][fromX] == BlackKing
10056 && toY == 7 && toX == 1) {
10057 board[fromY][fromX] = EmptySquare;
10058 board[toY][toX] = BlackKing;
10059 board[fromY][0] = EmptySquare;
10060 board[toY][2] = BlackRook;
10061 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10062 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10063 && toY < promoRank && promoChar
10065 /* black pawn promotion */
10066 board[toY][toX] = CharToPiece(ToLower(promoChar));
10067 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10068 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10069 board[fromY][fromX] = EmptySquare;
10070 } else if ((fromY < BOARD_HEIGHT>>1)
10071 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10073 && gameInfo.variant != VariantXiangqi
10074 && gameInfo.variant != VariantBerolina
10075 && (board[fromY][fromX] == BlackPawn)
10076 && (board[toY][toX] == EmptySquare)) {
10077 board[fromY][fromX] = EmptySquare;
10078 board[toY][toX] = BlackPawn;
10079 captured = board[toY + 1][toX];
10080 board[toY + 1][toX] = EmptySquare;
10081 } else if ((fromY == 3)
10083 && gameInfo.variant == VariantBerolina
10084 && (board[fromY][fromX] == BlackPawn)
10085 && (board[toY][toX] == EmptySquare)) {
10086 board[fromY][fromX] = EmptySquare;
10087 board[toY][toX] = BlackPawn;
10088 if(oldEP & EP_BEROLIN_A) {
10089 captured = board[fromY][fromX-1];
10090 board[fromY][fromX-1] = EmptySquare;
10091 }else{ captured = board[fromY][fromX+1];
10092 board[fromY][fromX+1] = EmptySquare;
10095 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10096 board[fromY][fromX] = EmptySquare;
10097 board[toY][toX] = piece;
10101 if (gameInfo.holdingsWidth != 0) {
10103 /* !!A lot more code needs to be written to support holdings */
10104 /* [HGM] OK, so I have written it. Holdings are stored in the */
10105 /* penultimate board files, so they are automaticlly stored */
10106 /* in the game history. */
10107 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10108 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10109 /* Delete from holdings, by decreasing count */
10110 /* and erasing image if necessary */
10111 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10112 if(p < (int) BlackPawn) { /* white drop */
10113 p -= (int)WhitePawn;
10114 p = PieceToNumber((ChessSquare)p);
10115 if(p >= gameInfo.holdingsSize) p = 0;
10116 if(--board[p][BOARD_WIDTH-2] <= 0)
10117 board[p][BOARD_WIDTH-1] = EmptySquare;
10118 if((int)board[p][BOARD_WIDTH-2] < 0)
10119 board[p][BOARD_WIDTH-2] = 0;
10120 } else { /* black drop */
10121 p -= (int)BlackPawn;
10122 p = PieceToNumber((ChessSquare)p);
10123 if(p >= gameInfo.holdingsSize) p = 0;
10124 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10125 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10126 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10127 board[BOARD_HEIGHT-1-p][1] = 0;
10130 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10131 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10132 /* [HGM] holdings: Add to holdings, if holdings exist */
10133 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10134 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10135 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10137 p = (int) captured;
10138 if (p >= (int) BlackPawn) {
10139 p -= (int)BlackPawn;
10140 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10141 /* in Shogi restore piece to its original first */
10142 captured = (ChessSquare) (DEMOTED captured);
10145 p = PieceToNumber((ChessSquare)p);
10146 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10147 board[p][BOARD_WIDTH-2]++;
10148 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10150 p -= (int)WhitePawn;
10151 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10152 captured = (ChessSquare) (DEMOTED captured);
10155 p = PieceToNumber((ChessSquare)p);
10156 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10157 board[BOARD_HEIGHT-1-p][1]++;
10158 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10161 } else if (gameInfo.variant == VariantAtomic) {
10162 if (captured != EmptySquare) {
10164 for (y = toY-1; y <= toY+1; y++) {
10165 for (x = toX-1; x <= toX+1; x++) {
10166 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10167 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10168 board[y][x] = EmptySquare;
10172 board[toY][toX] = EmptySquare;
10176 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10177 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10179 if(promoChar == '+') {
10180 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10181 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10182 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10183 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10184 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10185 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10186 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10187 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10188 board[toY][toX] = newPiece;
10190 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10191 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10192 // [HGM] superchess: take promotion piece out of holdings
10193 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10194 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10195 if(!--board[k][BOARD_WIDTH-2])
10196 board[k][BOARD_WIDTH-1] = EmptySquare;
10198 if(!--board[BOARD_HEIGHT-1-k][1])
10199 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10204 /* Updates forwardMostMove */
10206 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10208 int x = toX, y = toY;
10209 char *s = parseList[forwardMostMove];
10210 ChessSquare p = boards[forwardMostMove][toY][toX];
10211 // forwardMostMove++; // [HGM] bare: moved downstream
10213 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10214 (void) CoordsToAlgebraic(boards[forwardMostMove],
10215 PosFlags(forwardMostMove),
10216 fromY, fromX, y, x, promoChar,
10218 if(killX >= 0 && killY >= 0)
10219 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10221 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10222 int timeLeft; static int lastLoadFlag=0; int king, piece;
10223 piece = boards[forwardMostMove][fromY][fromX];
10224 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10225 if(gameInfo.variant == VariantKnightmate)
10226 king += (int) WhiteUnicorn - (int) WhiteKing;
10227 if(forwardMostMove == 0) {
10228 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10229 fprintf(serverMoves, "%s;", UserName());
10230 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10231 fprintf(serverMoves, "%s;", second.tidy);
10232 fprintf(serverMoves, "%s;", first.tidy);
10233 if(gameMode == MachinePlaysWhite)
10234 fprintf(serverMoves, "%s;", UserName());
10235 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10236 fprintf(serverMoves, "%s;", second.tidy);
10237 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10238 lastLoadFlag = loadFlag;
10240 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10241 // print castling suffix
10242 if( toY == fromY && piece == king ) {
10244 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10246 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10249 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10250 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10251 boards[forwardMostMove][toY][toX] == EmptySquare
10252 && fromX != toX && fromY != toY)
10253 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10254 // promotion suffix
10255 if(promoChar != NULLCHAR) {
10256 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10257 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10258 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10259 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10262 char buf[MOVE_LEN*2], *p; int len;
10263 fprintf(serverMoves, "/%d/%d",
10264 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10265 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10266 else timeLeft = blackTimeRemaining/1000;
10267 fprintf(serverMoves, "/%d", timeLeft);
10268 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10269 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10270 if(p = strchr(buf, '=')) *p = NULLCHAR;
10271 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10272 fprintf(serverMoves, "/%s", buf);
10274 fflush(serverMoves);
10277 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10278 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10281 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10282 if (commentList[forwardMostMove+1] != NULL) {
10283 free(commentList[forwardMostMove+1]);
10284 commentList[forwardMostMove+1] = NULL;
10286 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10287 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10288 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10289 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10290 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10291 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10292 adjustedClock = FALSE;
10293 gameInfo.result = GameUnfinished;
10294 if (gameInfo.resultDetails != NULL) {
10295 free(gameInfo.resultDetails);
10296 gameInfo.resultDetails = NULL;
10298 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10299 moveList[forwardMostMove - 1]);
10300 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10306 if(!IS_SHOGI(gameInfo.variant))
10307 strcat(parseList[forwardMostMove - 1], "+");
10311 strcat(parseList[forwardMostMove - 1], "#");
10316 /* Updates currentMove if not pausing */
10318 ShowMove (int fromX, int fromY, int toX, int toY)
10320 int instant = (gameMode == PlayFromGameFile) ?
10321 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10322 if(appData.noGUI) return;
10323 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10325 if (forwardMostMove == currentMove + 1) {
10326 AnimateMove(boards[forwardMostMove - 1],
10327 fromX, fromY, toX, toY);
10330 currentMove = forwardMostMove;
10333 killX = killY = -1; // [HGM] lion: used up
10335 if (instant) return;
10337 DisplayMove(currentMove - 1);
10338 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10339 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10340 SetHighlights(fromX, fromY, toX, toY);
10343 DrawPosition(FALSE, boards[currentMove]);
10344 DisplayBothClocks();
10345 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10349 SendEgtPath (ChessProgramState *cps)
10350 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10351 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10353 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10356 char c, *q = name+1, *r, *s;
10358 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10359 while(*p && *p != ',') *q++ = *p++;
10360 *q++ = ':'; *q = 0;
10361 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10362 strcmp(name, ",nalimov:") == 0 ) {
10363 // take nalimov path from the menu-changeable option first, if it is defined
10364 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10365 SendToProgram(buf,cps); // send egtbpath command for nalimov
10367 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10368 (s = StrStr(appData.egtFormats, name)) != NULL) {
10369 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10370 s = r = StrStr(s, ":") + 1; // beginning of path info
10371 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10372 c = *r; *r = 0; // temporarily null-terminate path info
10373 *--q = 0; // strip of trailig ':' from name
10374 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10376 SendToProgram(buf,cps); // send egtbpath command for this format
10378 if(*p == ',') p++; // read away comma to position for next format name
10383 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10385 int width = 8, height = 8, holdings = 0; // most common sizes
10386 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10387 // correct the deviations default for each variant
10388 if( v == VariantXiangqi ) width = 9, height = 10;
10389 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10390 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10391 if( v == VariantCapablanca || v == VariantCapaRandom ||
10392 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10394 if( v == VariantCourier ) width = 12;
10395 if( v == VariantSuper ) holdings = 8;
10396 if( v == VariantGreat ) width = 10, holdings = 8;
10397 if( v == VariantSChess ) holdings = 7;
10398 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10399 if( v == VariantChuChess) width = 10, height = 10;
10400 if( v == VariantChu ) width = 12, height = 12;
10401 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10402 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10403 holdingsSize >= 0 && holdingsSize != holdings;
10406 char variantError[MSG_SIZ];
10409 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10410 { // returns error message (recognizable by upper-case) if engine does not support the variant
10411 char *p, *variant = VariantName(v);
10412 static char b[MSG_SIZ];
10413 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10414 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10415 holdingsSize, variant); // cook up sized variant name
10416 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10417 if(StrStr(list, b) == NULL) {
10418 // specific sized variant not known, check if general sizing allowed
10419 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10420 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10421 boardWidth, boardHeight, holdingsSize, engine);
10424 /* [HGM] here we really should compare with the maximum supported board size */
10426 } else snprintf(b, MSG_SIZ,"%s", variant);
10427 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10428 p = StrStr(list, b);
10429 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10431 // occurs not at all in list, or only as sub-string
10432 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10433 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10434 int l = strlen(variantError);
10436 while(p != list && p[-1] != ',') p--;
10437 q = strchr(p, ',');
10438 if(q) *q = NULLCHAR;
10439 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10448 InitChessProgram (ChessProgramState *cps, int setup)
10449 /* setup needed to setup FRC opening position */
10451 char buf[MSG_SIZ], *b;
10452 if (appData.noChessProgram) return;
10453 hintRequested = FALSE;
10454 bookRequested = FALSE;
10456 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10457 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10458 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10459 if(cps->memSize) { /* [HGM] memory */
10460 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10461 SendToProgram(buf, cps);
10463 SendEgtPath(cps); /* [HGM] EGT */
10464 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10465 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10466 SendToProgram(buf, cps);
10469 setboardSpoiledMachineBlack = FALSE;
10470 SendToProgram(cps->initString, cps);
10471 if (gameInfo.variant != VariantNormal &&
10472 gameInfo.variant != VariantLoadable
10473 /* [HGM] also send variant if board size non-standard */
10474 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10476 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10477 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10479 DisplayFatalError(variantError, 0, 1);
10483 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10484 SendToProgram(buf, cps);
10486 currentlyInitializedVariant = gameInfo.variant;
10488 /* [HGM] send opening position in FRC to first engine */
10490 SendToProgram("force\n", cps);
10492 /* engine is now in force mode! Set flag to wake it up after first move. */
10493 setboardSpoiledMachineBlack = 1;
10496 if (cps->sendICS) {
10497 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10498 SendToProgram(buf, cps);
10500 cps->maybeThinking = FALSE;
10501 cps->offeredDraw = 0;
10502 if (!appData.icsActive) {
10503 SendTimeControl(cps, movesPerSession, timeControl,
10504 timeIncrement, appData.searchDepth,
10507 if (appData.showThinking
10508 // [HGM] thinking: four options require thinking output to be sent
10509 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10511 SendToProgram("post\n", cps);
10513 SendToProgram("hard\n", cps);
10514 if (!appData.ponderNextMove) {
10515 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10516 it without being sure what state we are in first. "hard"
10517 is not a toggle, so that one is OK.
10519 SendToProgram("easy\n", cps);
10521 if (cps->usePing) {
10522 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10523 SendToProgram(buf, cps);
10525 cps->initDone = TRUE;
10526 ClearEngineOutputPane(cps == &second);
10531 ResendOptions (ChessProgramState *cps)
10532 { // send the stored value of the options
10535 Option *opt = cps->option;
10536 for(i=0; i<cps->nrOptions; i++, opt++) {
10537 switch(opt->type) {
10541 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10544 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10547 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10553 SendToProgram(buf, cps);
10558 StartChessProgram (ChessProgramState *cps)
10563 if (appData.noChessProgram) return;
10564 cps->initDone = FALSE;
10566 if (strcmp(cps->host, "localhost") == 0) {
10567 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10568 } else if (*appData.remoteShell == NULLCHAR) {
10569 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10571 if (*appData.remoteUser == NULLCHAR) {
10572 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10575 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10576 cps->host, appData.remoteUser, cps->program);
10578 err = StartChildProcess(buf, "", &cps->pr);
10582 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10583 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10584 if(cps != &first) return;
10585 appData.noChessProgram = TRUE;
10588 // DisplayFatalError(buf, err, 1);
10589 // cps->pr = NoProc;
10590 // cps->isr = NULL;
10594 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10595 if (cps->protocolVersion > 1) {
10596 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10597 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10598 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10599 cps->comboCnt = 0; // and values of combo boxes
10601 SendToProgram(buf, cps);
10602 if(cps->reload) ResendOptions(cps);
10604 SendToProgram("xboard\n", cps);
10609 TwoMachinesEventIfReady P((void))
10611 static int curMess = 0;
10612 if (first.lastPing != first.lastPong) {
10613 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10614 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10617 if (second.lastPing != second.lastPong) {
10618 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10619 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10622 DisplayMessage("", ""); curMess = 0;
10623 TwoMachinesEvent();
10627 MakeName (char *template)
10631 static char buf[MSG_SIZ];
10635 clock = time((time_t *)NULL);
10636 tm = localtime(&clock);
10638 while(*p++ = *template++) if(p[-1] == '%') {
10639 switch(*template++) {
10640 case 0: *p = 0; return buf;
10641 case 'Y': i = tm->tm_year+1900; break;
10642 case 'y': i = tm->tm_year-100; break;
10643 case 'M': i = tm->tm_mon+1; break;
10644 case 'd': i = tm->tm_mday; break;
10645 case 'h': i = tm->tm_hour; break;
10646 case 'm': i = tm->tm_min; break;
10647 case 's': i = tm->tm_sec; break;
10650 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10656 CountPlayers (char *p)
10659 while(p = strchr(p, '\n')) p++, n++; // count participants
10664 WriteTourneyFile (char *results, FILE *f)
10665 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10666 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10667 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10668 // create a file with tournament description
10669 fprintf(f, "-participants {%s}\n", appData.participants);
10670 fprintf(f, "-seedBase %d\n", appData.seedBase);
10671 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10672 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10673 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10674 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10675 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10676 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10677 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10678 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10679 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10680 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10681 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10682 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10683 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10684 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10685 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10686 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10687 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10688 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10689 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10690 fprintf(f, "-smpCores %d\n", appData.smpCores);
10692 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10694 fprintf(f, "-mps %d\n", appData.movesPerSession);
10695 fprintf(f, "-tc %s\n", appData.timeControl);
10696 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10698 fprintf(f, "-results \"%s\"\n", results);
10703 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10706 Substitute (char *participants, int expunge)
10708 int i, changed, changes=0, nPlayers=0;
10709 char *p, *q, *r, buf[MSG_SIZ];
10710 if(participants == NULL) return;
10711 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10712 r = p = participants; q = appData.participants;
10713 while(*p && *p == *q) {
10714 if(*p == '\n') r = p+1, nPlayers++;
10717 if(*p) { // difference
10718 while(*p && *p++ != '\n');
10719 while(*q && *q++ != '\n');
10720 changed = nPlayers;
10721 changes = 1 + (strcmp(p, q) != 0);
10723 if(changes == 1) { // a single engine mnemonic was changed
10724 q = r; while(*q) nPlayers += (*q++ == '\n');
10725 p = buf; while(*r && (*p = *r++) != '\n') p++;
10727 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10728 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10729 if(mnemonic[i]) { // The substitute is valid
10731 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10732 flock(fileno(f), LOCK_EX);
10733 ParseArgsFromFile(f);
10734 fseek(f, 0, SEEK_SET);
10735 FREE(appData.participants); appData.participants = participants;
10736 if(expunge) { // erase results of replaced engine
10737 int len = strlen(appData.results), w, b, dummy;
10738 for(i=0; i<len; i++) {
10739 Pairing(i, nPlayers, &w, &b, &dummy);
10740 if((w == changed || b == changed) && appData.results[i] == '*') {
10741 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10746 for(i=0; i<len; i++) {
10747 Pairing(i, nPlayers, &w, &b, &dummy);
10748 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10751 WriteTourneyFile(appData.results, f);
10752 fclose(f); // release lock
10755 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10757 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10758 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10759 free(participants);
10764 CheckPlayers (char *participants)
10767 char buf[MSG_SIZ], *p;
10768 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10769 while(p = strchr(participants, '\n')) {
10771 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10773 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10775 DisplayError(buf, 0);
10779 participants = p + 1;
10785 CreateTourney (char *name)
10788 if(matchMode && strcmp(name, appData.tourneyFile)) {
10789 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10791 if(name[0] == NULLCHAR) {
10792 if(appData.participants[0])
10793 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10796 f = fopen(name, "r");
10797 if(f) { // file exists
10798 ASSIGN(appData.tourneyFile, name);
10799 ParseArgsFromFile(f); // parse it
10801 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10802 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10803 DisplayError(_("Not enough participants"), 0);
10806 if(CheckPlayers(appData.participants)) return 0;
10807 ASSIGN(appData.tourneyFile, name);
10808 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10809 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10812 appData.noChessProgram = FALSE;
10813 appData.clockMode = TRUE;
10819 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10821 char buf[MSG_SIZ], *p, *q;
10822 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10823 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10824 skip = !all && group[0]; // if group requested, we start in skip mode
10825 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10826 p = names; q = buf; header = 0;
10827 while(*p && *p != '\n') *q++ = *p++;
10829 if(*p == '\n') p++;
10830 if(buf[0] == '#') {
10831 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10832 depth++; // we must be entering a new group
10833 if(all) continue; // suppress printing group headers when complete list requested
10835 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10837 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10838 if(engineList[i]) free(engineList[i]);
10839 engineList[i] = strdup(buf);
10840 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10841 if(engineMnemonic[i]) free(engineMnemonic[i]);
10842 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10844 sscanf(q + 8, "%s", buf + strlen(buf));
10847 engineMnemonic[i] = strdup(buf);
10850 engineList[i] = engineMnemonic[i] = NULL;
10854 // following implemented as macro to avoid type limitations
10855 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10858 SwapEngines (int n)
10859 { // swap settings for first engine and other engine (so far only some selected options)
10864 SWAP(chessProgram, p)
10866 SWAP(hasOwnBookUCI, h)
10867 SWAP(protocolVersion, h)
10869 SWAP(scoreIsAbsolute, h)
10874 SWAP(engOptions, p)
10875 SWAP(engInitString, p)
10876 SWAP(computerString, p)
10878 SWAP(fenOverride, p)
10880 SWAP(accumulateTC, h)
10887 GetEngineLine (char *s, int n)
10891 extern char *icsNames;
10892 if(!s || !*s) return 0;
10893 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10894 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10895 if(!mnemonic[i]) return 0;
10896 if(n == 11) return 1; // just testing if there was a match
10897 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10898 if(n == 1) SwapEngines(n);
10899 ParseArgsFromString(buf);
10900 if(n == 1) SwapEngines(n);
10901 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10902 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10903 ParseArgsFromString(buf);
10909 SetPlayer (int player, char *p)
10910 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10912 char buf[MSG_SIZ], *engineName;
10913 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10914 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10915 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10917 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10918 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10919 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10920 ParseArgsFromString(buf);
10921 } else { // no engine with this nickname is installed!
10922 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10923 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10924 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10926 DisplayError(buf, 0);
10933 char *recentEngines;
10936 RecentEngineEvent (int nr)
10939 // SwapEngines(1); // bump first to second
10940 // ReplaceEngine(&second, 1); // and load it there
10941 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10942 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10943 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10944 ReplaceEngine(&first, 0);
10945 FloatToFront(&appData.recentEngineList, command[n]);
10950 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10951 { // determine players from game number
10952 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10954 if(appData.tourneyType == 0) {
10955 roundsPerCycle = (nPlayers - 1) | 1;
10956 pairingsPerRound = nPlayers / 2;
10957 } else if(appData.tourneyType > 0) {
10958 roundsPerCycle = nPlayers - appData.tourneyType;
10959 pairingsPerRound = appData.tourneyType;
10961 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10962 gamesPerCycle = gamesPerRound * roundsPerCycle;
10963 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10964 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10965 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10966 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10967 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10968 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10970 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10971 if(appData.roundSync) *syncInterval = gamesPerRound;
10973 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10975 if(appData.tourneyType == 0) {
10976 if(curPairing == (nPlayers-1)/2 ) {
10977 *whitePlayer = curRound;
10978 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10980 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10981 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10982 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10983 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10985 } else if(appData.tourneyType > 1) {
10986 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10987 *whitePlayer = curRound + appData.tourneyType;
10988 } else if(appData.tourneyType > 0) {
10989 *whitePlayer = curPairing;
10990 *blackPlayer = curRound + appData.tourneyType;
10993 // take care of white/black alternation per round.
10994 // For cycles and games this is already taken care of by default, derived from matchGame!
10995 return curRound & 1;
10999 NextTourneyGame (int nr, int *swapColors)
11000 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11002 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11004 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11005 tf = fopen(appData.tourneyFile, "r");
11006 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11007 ParseArgsFromFile(tf); fclose(tf);
11008 InitTimeControls(); // TC might be altered from tourney file
11010 nPlayers = CountPlayers(appData.participants); // count participants
11011 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11012 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11015 p = q = appData.results;
11016 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11017 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11018 DisplayMessage(_("Waiting for other game(s)"),"");
11019 waitingForGame = TRUE;
11020 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11023 waitingForGame = FALSE;
11026 if(appData.tourneyType < 0) {
11027 if(nr>=0 && !pairingReceived) {
11029 if(pairing.pr == NoProc) {
11030 if(!appData.pairingEngine[0]) {
11031 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11034 StartChessProgram(&pairing); // starts the pairing engine
11036 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11037 SendToProgram(buf, &pairing);
11038 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11039 SendToProgram(buf, &pairing);
11040 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11042 pairingReceived = 0; // ... so we continue here
11044 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11045 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11046 matchGame = 1; roundNr = nr / syncInterval + 1;
11049 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11051 // redefine engines, engine dir, etc.
11052 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11053 if(first.pr == NoProc) {
11054 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11055 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11057 if(second.pr == NoProc) {
11059 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11060 SwapEngines(1); // and make that valid for second engine by swapping
11061 InitEngine(&second, 1);
11063 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11064 UpdateLogos(FALSE); // leave display to ModeHiglight()
11070 { // performs game initialization that does not invoke engines, and then tries to start the game
11071 int res, firstWhite, swapColors = 0;
11072 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11073 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
11075 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11076 if(strcmp(buf, currentDebugFile)) { // name has changed
11077 FILE *f = fopen(buf, "w");
11078 if(f) { // if opening the new file failed, just keep using the old one
11079 ASSIGN(currentDebugFile, buf);
11083 if(appData.serverFileName) {
11084 if(serverFP) fclose(serverFP);
11085 serverFP = fopen(appData.serverFileName, "w");
11086 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11087 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11091 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11092 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11093 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11094 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11095 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11096 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11097 Reset(FALSE, first.pr != NoProc);
11098 res = LoadGameOrPosition(matchGame); // setup game
11099 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11100 if(!res) return; // abort when bad game/pos file
11101 TwoMachinesEvent();
11105 UserAdjudicationEvent (int result)
11107 ChessMove gameResult = GameIsDrawn;
11110 gameResult = WhiteWins;
11112 else if( result < 0 ) {
11113 gameResult = BlackWins;
11116 if( gameMode == TwoMachinesPlay ) {
11117 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11122 // [HGM] save: calculate checksum of game to make games easily identifiable
11124 StringCheckSum (char *s)
11127 if(s==NULL) return 0;
11128 while(*s) i = i*259 + *s++;
11136 for(i=backwardMostMove; i<forwardMostMove; i++) {
11137 sum += pvInfoList[i].depth;
11138 sum += StringCheckSum(parseList[i]);
11139 sum += StringCheckSum(commentList[i]);
11142 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11143 return sum + StringCheckSum(commentList[i]);
11144 } // end of save patch
11147 GameEnds (ChessMove result, char *resultDetails, int whosays)
11149 GameMode nextGameMode;
11151 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11153 if(endingGame) return; /* [HGM] crash: forbid recursion */
11155 if(twoBoards) { // [HGM] dual: switch back to one board
11156 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11157 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11159 if (appData.debugMode) {
11160 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11161 result, resultDetails ? resultDetails : "(null)", whosays);
11164 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11166 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11168 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11169 /* If we are playing on ICS, the server decides when the
11170 game is over, but the engine can offer to draw, claim
11174 if (appData.zippyPlay && first.initDone) {
11175 if (result == GameIsDrawn) {
11176 /* In case draw still needs to be claimed */
11177 SendToICS(ics_prefix);
11178 SendToICS("draw\n");
11179 } else if (StrCaseStr(resultDetails, "resign")) {
11180 SendToICS(ics_prefix);
11181 SendToICS("resign\n");
11185 endingGame = 0; /* [HGM] crash */
11189 /* If we're loading the game from a file, stop */
11190 if (whosays == GE_FILE) {
11191 (void) StopLoadGameTimer();
11195 /* Cancel draw offers */
11196 first.offeredDraw = second.offeredDraw = 0;
11198 /* If this is an ICS game, only ICS can really say it's done;
11199 if not, anyone can. */
11200 isIcsGame = (gameMode == IcsPlayingWhite ||
11201 gameMode == IcsPlayingBlack ||
11202 gameMode == IcsObserving ||
11203 gameMode == IcsExamining);
11205 if (!isIcsGame || whosays == GE_ICS) {
11206 /* OK -- not an ICS game, or ICS said it was done */
11208 if (!isIcsGame && !appData.noChessProgram)
11209 SetUserThinkingEnables();
11211 /* [HGM] if a machine claims the game end we verify this claim */
11212 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11213 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11215 ChessMove trueResult = (ChessMove) -1;
11217 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11218 first.twoMachinesColor[0] :
11219 second.twoMachinesColor[0] ;
11221 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11222 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11223 /* [HGM] verify: engine mate claims accepted if they were flagged */
11224 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11226 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11227 /* [HGM] verify: engine mate claims accepted if they were flagged */
11228 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11230 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11231 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11234 // now verify win claims, but not in drop games, as we don't understand those yet
11235 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11236 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11237 (result == WhiteWins && claimer == 'w' ||
11238 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11239 if (appData.debugMode) {
11240 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11241 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11243 if(result != trueResult) {
11244 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11245 result = claimer == 'w' ? BlackWins : WhiteWins;
11246 resultDetails = buf;
11249 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11250 && (forwardMostMove <= backwardMostMove ||
11251 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11252 (claimer=='b')==(forwardMostMove&1))
11254 /* [HGM] verify: draws that were not flagged are false claims */
11255 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11256 result = claimer == 'w' ? BlackWins : WhiteWins;
11257 resultDetails = buf;
11259 /* (Claiming a loss is accepted no questions asked!) */
11260 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11261 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11262 result = GameUnfinished;
11263 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11265 /* [HGM] bare: don't allow bare King to win */
11266 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11267 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11268 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11269 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11270 && result != GameIsDrawn)
11271 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11272 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11273 int p = (signed char)boards[forwardMostMove][i][j] - color;
11274 if(p >= 0 && p <= (int)WhiteKing) k++;
11276 if (appData.debugMode) {
11277 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11278 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11281 result = GameIsDrawn;
11282 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11283 resultDetails = buf;
11289 if(serverMoves != NULL && !loadFlag) { char c = '=';
11290 if(result==WhiteWins) c = '+';
11291 if(result==BlackWins) c = '-';
11292 if(resultDetails != NULL)
11293 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11295 if (resultDetails != NULL) {
11296 gameInfo.result = result;
11297 gameInfo.resultDetails = StrSave(resultDetails);
11299 /* display last move only if game was not loaded from file */
11300 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11301 DisplayMove(currentMove - 1);
11303 if (forwardMostMove != 0) {
11304 if (gameMode != PlayFromGameFile && gameMode != EditGame
11305 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11307 if (*appData.saveGameFile != NULLCHAR) {
11308 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11309 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11311 SaveGameToFile(appData.saveGameFile, TRUE);
11312 } else if (appData.autoSaveGames) {
11313 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11315 if (*appData.savePositionFile != NULLCHAR) {
11316 SavePositionToFile(appData.savePositionFile);
11318 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11322 /* Tell program how game ended in case it is learning */
11323 /* [HGM] Moved this to after saving the PGN, just in case */
11324 /* engine died and we got here through time loss. In that */
11325 /* case we will get a fatal error writing the pipe, which */
11326 /* would otherwise lose us the PGN. */
11327 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11328 /* output during GameEnds should never be fatal anymore */
11329 if (gameMode == MachinePlaysWhite ||
11330 gameMode == MachinePlaysBlack ||
11331 gameMode == TwoMachinesPlay ||
11332 gameMode == IcsPlayingWhite ||
11333 gameMode == IcsPlayingBlack ||
11334 gameMode == BeginningOfGame) {
11336 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11338 if (first.pr != NoProc) {
11339 SendToProgram(buf, &first);
11341 if (second.pr != NoProc &&
11342 gameMode == TwoMachinesPlay) {
11343 SendToProgram(buf, &second);
11348 if (appData.icsActive) {
11349 if (appData.quietPlay &&
11350 (gameMode == IcsPlayingWhite ||
11351 gameMode == IcsPlayingBlack)) {
11352 SendToICS(ics_prefix);
11353 SendToICS("set shout 1\n");
11355 nextGameMode = IcsIdle;
11356 ics_user_moved = FALSE;
11357 /* clean up premove. It's ugly when the game has ended and the
11358 * premove highlights are still on the board.
11361 gotPremove = FALSE;
11362 ClearPremoveHighlights();
11363 DrawPosition(FALSE, boards[currentMove]);
11365 if (whosays == GE_ICS) {
11368 if (gameMode == IcsPlayingWhite)
11370 else if(gameMode == IcsPlayingBlack)
11371 PlayIcsLossSound();
11374 if (gameMode == IcsPlayingBlack)
11376 else if(gameMode == IcsPlayingWhite)
11377 PlayIcsLossSound();
11380 PlayIcsDrawSound();
11383 PlayIcsUnfinishedSound();
11386 if(appData.quitNext) { ExitEvent(0); return; }
11387 } else if (gameMode == EditGame ||
11388 gameMode == PlayFromGameFile ||
11389 gameMode == AnalyzeMode ||
11390 gameMode == AnalyzeFile) {
11391 nextGameMode = gameMode;
11393 nextGameMode = EndOfGame;
11398 nextGameMode = gameMode;
11401 if (appData.noChessProgram) {
11402 gameMode = nextGameMode;
11404 endingGame = 0; /* [HGM] crash */
11409 /* Put first chess program into idle state */
11410 if (first.pr != NoProc &&
11411 (gameMode == MachinePlaysWhite ||
11412 gameMode == MachinePlaysBlack ||
11413 gameMode == TwoMachinesPlay ||
11414 gameMode == IcsPlayingWhite ||
11415 gameMode == IcsPlayingBlack ||
11416 gameMode == BeginningOfGame)) {
11417 SendToProgram("force\n", &first);
11418 if (first.usePing) {
11420 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11421 SendToProgram(buf, &first);
11424 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11425 /* Kill off first chess program */
11426 if (first.isr != NULL)
11427 RemoveInputSource(first.isr);
11430 if (first.pr != NoProc) {
11432 DoSleep( appData.delayBeforeQuit );
11433 SendToProgram("quit\n", &first);
11434 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11435 first.reload = TRUE;
11439 if (second.reuse) {
11440 /* Put second chess program into idle state */
11441 if (second.pr != NoProc &&
11442 gameMode == TwoMachinesPlay) {
11443 SendToProgram("force\n", &second);
11444 if (second.usePing) {
11446 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11447 SendToProgram(buf, &second);
11450 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11451 /* Kill off second chess program */
11452 if (second.isr != NULL)
11453 RemoveInputSource(second.isr);
11456 if (second.pr != NoProc) {
11457 DoSleep( appData.delayBeforeQuit );
11458 SendToProgram("quit\n", &second);
11459 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11460 second.reload = TRUE;
11462 second.pr = NoProc;
11465 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11466 char resChar = '=';
11470 if (first.twoMachinesColor[0] == 'w') {
11473 second.matchWins++;
11478 if (first.twoMachinesColor[0] == 'b') {
11481 second.matchWins++;
11484 case GameUnfinished:
11490 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11491 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11492 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11493 ReserveGame(nextGame, resChar); // sets nextGame
11494 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11495 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11496 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11498 if (nextGame <= appData.matchGames && !abortMatch) {
11499 gameMode = nextGameMode;
11500 matchGame = nextGame; // this will be overruled in tourney mode!
11501 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11502 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11503 endingGame = 0; /* [HGM] crash */
11506 gameMode = nextGameMode;
11507 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11508 first.tidy, second.tidy,
11509 first.matchWins, second.matchWins,
11510 appData.matchGames - (first.matchWins + second.matchWins));
11511 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11512 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11513 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11514 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11515 first.twoMachinesColor = "black\n";
11516 second.twoMachinesColor = "white\n";
11518 first.twoMachinesColor = "white\n";
11519 second.twoMachinesColor = "black\n";
11523 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11524 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11526 gameMode = nextGameMode;
11528 endingGame = 0; /* [HGM] crash */
11529 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11530 if(matchMode == TRUE) { // match through command line: exit with or without popup
11532 ToNrEvent(forwardMostMove);
11533 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11535 } else DisplayFatalError(buf, 0, 0);
11536 } else { // match through menu; just stop, with or without popup
11537 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11540 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11541 } else DisplayNote(buf);
11543 if(ranking) free(ranking);
11547 /* Assumes program was just initialized (initString sent).
11548 Leaves program in force mode. */
11550 FeedMovesToProgram (ChessProgramState *cps, int upto)
11554 if (appData.debugMode)
11555 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11556 startedFromSetupPosition ? "position and " : "",
11557 backwardMostMove, upto, cps->which);
11558 if(currentlyInitializedVariant != gameInfo.variant) {
11560 // [HGM] variantswitch: make engine aware of new variant
11561 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11562 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11563 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11564 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11565 SendToProgram(buf, cps);
11566 currentlyInitializedVariant = gameInfo.variant;
11568 SendToProgram("force\n", cps);
11569 if (startedFromSetupPosition) {
11570 SendBoard(cps, backwardMostMove);
11571 if (appData.debugMode) {
11572 fprintf(debugFP, "feedMoves\n");
11575 for (i = backwardMostMove; i < upto; i++) {
11576 SendMoveToProgram(i, cps);
11582 ResurrectChessProgram ()
11584 /* The chess program may have exited.
11585 If so, restart it and feed it all the moves made so far. */
11586 static int doInit = 0;
11588 if (appData.noChessProgram) return 1;
11590 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11591 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11592 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11593 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11595 if (first.pr != NoProc) return 1;
11596 StartChessProgram(&first);
11598 InitChessProgram(&first, FALSE);
11599 FeedMovesToProgram(&first, currentMove);
11601 if (!first.sendTime) {
11602 /* can't tell gnuchess what its clock should read,
11603 so we bow to its notion. */
11605 timeRemaining[0][currentMove] = whiteTimeRemaining;
11606 timeRemaining[1][currentMove] = blackTimeRemaining;
11609 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11610 appData.icsEngineAnalyze) && first.analysisSupport) {
11611 SendToProgram("analyze\n", &first);
11612 first.analyzing = TRUE;
11618 * Button procedures
11621 Reset (int redraw, int init)
11625 if (appData.debugMode) {
11626 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11627 redraw, init, gameMode);
11629 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11630 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11631 CleanupTail(); // [HGM] vari: delete any stored variations
11632 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11633 pausing = pauseExamInvalid = FALSE;
11634 startedFromSetupPosition = blackPlaysFirst = FALSE;
11636 whiteFlag = blackFlag = FALSE;
11637 userOfferedDraw = FALSE;
11638 hintRequested = bookRequested = FALSE;
11639 first.maybeThinking = FALSE;
11640 second.maybeThinking = FALSE;
11641 first.bookSuspend = FALSE; // [HGM] book
11642 second.bookSuspend = FALSE;
11643 thinkOutput[0] = NULLCHAR;
11644 lastHint[0] = NULLCHAR;
11645 ClearGameInfo(&gameInfo);
11646 gameInfo.variant = StringToVariant(appData.variant);
11647 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11648 ics_user_moved = ics_clock_paused = FALSE;
11649 ics_getting_history = H_FALSE;
11651 white_holding[0] = black_holding[0] = NULLCHAR;
11652 ClearProgramStats();
11653 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11657 flipView = appData.flipView;
11658 ClearPremoveHighlights();
11659 gotPremove = FALSE;
11660 alarmSounded = FALSE;
11661 killX = killY = -1; // [HGM] lion
11663 GameEnds(EndOfFile, NULL, GE_PLAYER);
11664 if(appData.serverMovesName != NULL) {
11665 /* [HGM] prepare to make moves file for broadcasting */
11666 clock_t t = clock();
11667 if(serverMoves != NULL) fclose(serverMoves);
11668 serverMoves = fopen(appData.serverMovesName, "r");
11669 if(serverMoves != NULL) {
11670 fclose(serverMoves);
11671 /* delay 15 sec before overwriting, so all clients can see end */
11672 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11674 serverMoves = fopen(appData.serverMovesName, "w");
11678 gameMode = BeginningOfGame;
11680 if(appData.icsActive) gameInfo.variant = VariantNormal;
11681 currentMove = forwardMostMove = backwardMostMove = 0;
11682 MarkTargetSquares(1);
11683 InitPosition(redraw);
11684 for (i = 0; i < MAX_MOVES; i++) {
11685 if (commentList[i] != NULL) {
11686 free(commentList[i]);
11687 commentList[i] = NULL;
11691 timeRemaining[0][0] = whiteTimeRemaining;
11692 timeRemaining[1][0] = blackTimeRemaining;
11694 if (first.pr == NoProc) {
11695 StartChessProgram(&first);
11698 InitChessProgram(&first, startedFromSetupPosition);
11701 DisplayMessage("", "");
11702 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11703 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11704 ClearMap(); // [HGM] exclude: invalidate map
11708 AutoPlayGameLoop ()
11711 if (!AutoPlayOneMove())
11713 if (matchMode || appData.timeDelay == 0)
11715 if (appData.timeDelay < 0)
11717 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11725 ReloadGame(1); // next game
11731 int fromX, fromY, toX, toY;
11733 if (appData.debugMode) {
11734 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11737 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11740 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11741 pvInfoList[currentMove].depth = programStats.depth;
11742 pvInfoList[currentMove].score = programStats.score;
11743 pvInfoList[currentMove].time = 0;
11744 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11745 else { // append analysis of final position as comment
11747 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11748 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11750 programStats.depth = 0;
11753 if (currentMove >= forwardMostMove) {
11754 if(gameMode == AnalyzeFile) {
11755 if(appData.loadGameIndex == -1) {
11756 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11757 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11759 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11762 // gameMode = EndOfGame;
11763 // ModeHighlight();
11765 /* [AS] Clear current move marker at the end of a game */
11766 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11771 toX = moveList[currentMove][2] - AAA;
11772 toY = moveList[currentMove][3] - ONE;
11774 if (moveList[currentMove][1] == '@') {
11775 if (appData.highlightLastMove) {
11776 SetHighlights(-1, -1, toX, toY);
11779 int viaX = moveList[currentMove][5] - AAA;
11780 int viaY = moveList[currentMove][6] - ONE;
11781 fromX = moveList[currentMove][0] - AAA;
11782 fromY = moveList[currentMove][1] - ONE;
11784 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11786 if(moveList[currentMove][4] == ';') { // multi-leg
11787 ChessSquare piece = boards[currentMove][viaY][viaX];
11788 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11789 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11790 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11791 boards[currentMove][viaY][viaX] = piece;
11793 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11795 if (appData.highlightLastMove) {
11796 SetHighlights(fromX, fromY, toX, toY);
11799 DisplayMove(currentMove);
11800 SendMoveToProgram(currentMove++, &first);
11801 DisplayBothClocks();
11802 DrawPosition(FALSE, boards[currentMove]);
11803 // [HGM] PV info: always display, routine tests if empty
11804 DisplayComment(currentMove - 1, commentList[currentMove]);
11810 LoadGameOneMove (ChessMove readAhead)
11812 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11813 char promoChar = NULLCHAR;
11814 ChessMove moveType;
11815 char move[MSG_SIZ];
11818 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11819 gameMode != AnalyzeMode && gameMode != Training) {
11824 yyboardindex = forwardMostMove;
11825 if (readAhead != EndOfFile) {
11826 moveType = readAhead;
11828 if (gameFileFP == NULL)
11830 moveType = (ChessMove) Myylex();
11834 switch (moveType) {
11836 if (appData.debugMode)
11837 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11840 /* append the comment but don't display it */
11841 AppendComment(currentMove, p, FALSE);
11844 case WhiteCapturesEnPassant:
11845 case BlackCapturesEnPassant:
11846 case WhitePromotion:
11847 case BlackPromotion:
11848 case WhiteNonPromotion:
11849 case BlackNonPromotion:
11852 case WhiteKingSideCastle:
11853 case WhiteQueenSideCastle:
11854 case BlackKingSideCastle:
11855 case BlackQueenSideCastle:
11856 case WhiteKingSideCastleWild:
11857 case WhiteQueenSideCastleWild:
11858 case BlackKingSideCastleWild:
11859 case BlackQueenSideCastleWild:
11861 case WhiteHSideCastleFR:
11862 case WhiteASideCastleFR:
11863 case BlackHSideCastleFR:
11864 case BlackASideCastleFR:
11866 if (appData.debugMode)
11867 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11868 fromX = currentMoveString[0] - AAA;
11869 fromY = currentMoveString[1] - ONE;
11870 toX = currentMoveString[2] - AAA;
11871 toY = currentMoveString[3] - ONE;
11872 promoChar = currentMoveString[4];
11873 if(promoChar == ';') promoChar = NULLCHAR;
11878 if (appData.debugMode)
11879 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11880 fromX = moveType == WhiteDrop ?
11881 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11882 (int) CharToPiece(ToLower(currentMoveString[0]));
11884 toX = currentMoveString[2] - AAA;
11885 toY = currentMoveString[3] - ONE;
11891 case GameUnfinished:
11892 if (appData.debugMode)
11893 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11894 p = strchr(yy_text, '{');
11895 if (p == NULL) p = strchr(yy_text, '(');
11898 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11900 q = strchr(p, *p == '{' ? '}' : ')');
11901 if (q != NULL) *q = NULLCHAR;
11904 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11905 GameEnds(moveType, p, GE_FILE);
11907 if (cmailMsgLoaded) {
11909 flipView = WhiteOnMove(currentMove);
11910 if (moveType == GameUnfinished) flipView = !flipView;
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11917 if (appData.debugMode)
11918 fprintf(debugFP, "Parser hit end of file\n");
11919 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11925 if (WhiteOnMove(currentMove)) {
11926 GameEnds(BlackWins, "Black mates", GE_FILE);
11928 GameEnds(WhiteWins, "White mates", GE_FILE);
11932 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11938 case MoveNumberOne:
11939 if (lastLoadGameStart == GNUChessGame) {
11940 /* GNUChessGames have numbers, but they aren't move numbers */
11941 if (appData.debugMode)
11942 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11943 yy_text, (int) moveType);
11944 return LoadGameOneMove(EndOfFile); /* tail recursion */
11946 /* else fall thru */
11951 /* Reached start of next game in file */
11952 if (appData.debugMode)
11953 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11954 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11960 if (WhiteOnMove(currentMove)) {
11961 GameEnds(BlackWins, "Black mates", GE_FILE);
11963 GameEnds(WhiteWins, "White mates", GE_FILE);
11967 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11973 case PositionDiagram: /* should not happen; ignore */
11974 case ElapsedTime: /* ignore */
11975 case NAG: /* ignore */
11976 if (appData.debugMode)
11977 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11978 yy_text, (int) moveType);
11979 return LoadGameOneMove(EndOfFile); /* tail recursion */
11982 if (appData.testLegality) {
11983 if (appData.debugMode)
11984 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11985 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11986 (forwardMostMove / 2) + 1,
11987 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11988 DisplayError(move, 0);
11991 if (appData.debugMode)
11992 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11993 yy_text, currentMoveString);
11994 fromX = currentMoveString[0] - AAA;
11995 fromY = currentMoveString[1] - ONE;
11996 toX = currentMoveString[2] - AAA;
11997 toY = currentMoveString[3] - ONE;
11998 promoChar = currentMoveString[4];
12002 case AmbiguousMove:
12003 if (appData.debugMode)
12004 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12005 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12006 (forwardMostMove / 2) + 1,
12007 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12008 DisplayError(move, 0);
12013 case ImpossibleMove:
12014 if (appData.debugMode)
12015 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12016 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12017 (forwardMostMove / 2) + 1,
12018 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12019 DisplayError(move, 0);
12025 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12026 DrawPosition(FALSE, boards[currentMove]);
12027 DisplayBothClocks();
12028 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12029 DisplayComment(currentMove - 1, commentList[currentMove]);
12031 (void) StopLoadGameTimer();
12033 cmailOldMove = forwardMostMove;
12036 /* currentMoveString is set as a side-effect of yylex */
12038 thinkOutput[0] = NULLCHAR;
12039 MakeMove(fromX, fromY, toX, toY, promoChar);
12040 killX = killY = -1; // [HGM] lion: used up
12041 currentMove = forwardMostMove;
12046 /* Load the nth game from the given file */
12048 LoadGameFromFile (char *filename, int n, char *title, int useList)
12053 if (strcmp(filename, "-") == 0) {
12057 f = fopen(filename, "rb");
12059 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12060 DisplayError(buf, errno);
12064 if (fseek(f, 0, 0) == -1) {
12065 /* f is not seekable; probably a pipe */
12068 if (useList && n == 0) {
12069 int error = GameListBuild(f);
12071 DisplayError(_("Cannot build game list"), error);
12072 } else if (!ListEmpty(&gameList) &&
12073 ((ListGame *) gameList.tailPred)->number > 1) {
12074 GameListPopUp(f, title);
12081 return LoadGame(f, n, title, FALSE);
12086 MakeRegisteredMove ()
12088 int fromX, fromY, toX, toY;
12090 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12091 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12094 if (appData.debugMode)
12095 fprintf(debugFP, "Restoring %s for game %d\n",
12096 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12098 thinkOutput[0] = NULLCHAR;
12099 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12100 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12101 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12102 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12103 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12104 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12105 MakeMove(fromX, fromY, toX, toY, promoChar);
12106 ShowMove(fromX, fromY, toX, toY);
12108 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12115 if (WhiteOnMove(currentMove)) {
12116 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12118 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12123 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12130 if (WhiteOnMove(currentMove)) {
12131 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12133 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12138 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12149 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12151 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12155 if (gameNumber > nCmailGames) {
12156 DisplayError(_("No more games in this message"), 0);
12159 if (f == lastLoadGameFP) {
12160 int offset = gameNumber - lastLoadGameNumber;
12162 cmailMsg[0] = NULLCHAR;
12163 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12164 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12165 nCmailMovesRegistered--;
12167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12168 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12169 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12172 if (! RegisterMove()) return FALSE;
12176 retVal = LoadGame(f, gameNumber, title, useList);
12178 /* Make move registered during previous look at this game, if any */
12179 MakeRegisteredMove();
12181 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12182 commentList[currentMove]
12183 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12184 DisplayComment(currentMove - 1, commentList[currentMove]);
12190 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12192 ReloadGame (int offset)
12194 int gameNumber = lastLoadGameNumber + offset;
12195 if (lastLoadGameFP == NULL) {
12196 DisplayError(_("No game has been loaded yet"), 0);
12199 if (gameNumber <= 0) {
12200 DisplayError(_("Can't back up any further"), 0);
12203 if (cmailMsgLoaded) {
12204 return CmailLoadGame(lastLoadGameFP, gameNumber,
12205 lastLoadGameTitle, lastLoadGameUseList);
12207 return LoadGame(lastLoadGameFP, gameNumber,
12208 lastLoadGameTitle, lastLoadGameUseList);
12212 int keys[EmptySquare+1];
12215 PositionMatches (Board b1, Board b2)
12218 switch(appData.searchMode) {
12219 case 1: return CompareWithRights(b1, b2);
12221 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12222 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12227 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12228 sum += keys[b1[r][f]] - keys[b2[r][f]];
12232 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12233 sum += keys[b1[r][f]] - keys[b2[r][f]];
12245 int pieceList[256], quickBoard[256];
12246 ChessSquare pieceType[256] = { EmptySquare };
12247 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12248 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12249 int soughtTotal, turn;
12250 Boolean epOK, flipSearch;
12253 unsigned char piece, to;
12256 #define DSIZE (250000)
12258 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12259 Move *moveDatabase = initialSpace;
12260 unsigned int movePtr, dataSize = DSIZE;
12263 MakePieceList (Board board, int *counts)
12265 int r, f, n=Q_PROMO, total=0;
12266 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12267 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12268 int sq = f + (r<<4);
12269 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12270 quickBoard[sq] = ++n;
12272 pieceType[n] = board[r][f];
12273 counts[board[r][f]]++;
12274 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12275 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12279 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12284 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12286 int sq = fromX + (fromY<<4);
12287 int piece = quickBoard[sq], rook;
12288 quickBoard[sq] = 0;
12289 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12290 if(piece == pieceList[1] && fromY == toY) {
12291 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12292 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12293 moveDatabase[movePtr++].piece = Q_WCASTL;
12294 quickBoard[sq] = piece;
12295 piece = quickBoard[from]; quickBoard[from] = 0;
12296 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12297 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12298 quickBoard[sq] = 0; // remove Rook
12299 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12300 moveDatabase[movePtr++].piece = Q_WCASTL;
12301 quickBoard[sq] = pieceList[1]; // put King
12303 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12306 if(piece == pieceList[2] && fromY == toY) {
12307 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12308 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12309 moveDatabase[movePtr++].piece = Q_BCASTL;
12310 quickBoard[sq] = piece;
12311 piece = quickBoard[from]; quickBoard[from] = 0;
12312 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12313 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12314 quickBoard[sq] = 0; // remove Rook
12315 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12316 moveDatabase[movePtr++].piece = Q_BCASTL;
12317 quickBoard[sq] = pieceList[2]; // put King
12319 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12322 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12323 quickBoard[(fromY<<4)+toX] = 0;
12324 moveDatabase[movePtr].piece = Q_EP;
12325 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12326 moveDatabase[movePtr].to = sq;
12328 if(promoPiece != pieceType[piece]) {
12329 moveDatabase[movePtr++].piece = Q_PROMO;
12330 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12332 moveDatabase[movePtr].piece = piece;
12333 quickBoard[sq] = piece;
12338 PackGame (Board board)
12340 Move *newSpace = NULL;
12341 moveDatabase[movePtr].piece = 0; // terminate previous game
12342 if(movePtr > dataSize) {
12343 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12344 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12345 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12348 Move *p = moveDatabase, *q = newSpace;
12349 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12350 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12351 moveDatabase = newSpace;
12352 } else { // calloc failed, we must be out of memory. Too bad...
12353 dataSize = 0; // prevent calloc events for all subsequent games
12354 return 0; // and signal this one isn't cached
12358 MakePieceList(board, counts);
12363 QuickCompare (Board board, int *minCounts, int *maxCounts)
12364 { // compare according to search mode
12366 switch(appData.searchMode)
12368 case 1: // exact position match
12369 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12370 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12371 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12374 case 2: // can have extra material on empty squares
12375 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12376 if(board[r][f] == EmptySquare) continue;
12377 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12380 case 3: // material with exact Pawn structure
12381 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12382 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12383 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12384 } // fall through to material comparison
12385 case 4: // exact material
12386 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12388 case 6: // material range with given imbalance
12389 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12390 // fall through to range comparison
12391 case 5: // material range
12392 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12398 QuickScan (Board board, Move *move)
12399 { // reconstruct game,and compare all positions in it
12400 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12402 int piece = move->piece;
12403 int to = move->to, from = pieceList[piece];
12404 if(found < 0) { // if already found just scan to game end for final piece count
12405 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12406 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12407 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12408 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12410 static int lastCounts[EmptySquare+1];
12412 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12413 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12414 } else stretch = 0;
12415 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12416 if(found >= 0 && !appData.minPieces) return found;
12418 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12419 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12420 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12421 piece = (++move)->piece;
12422 from = pieceList[piece];
12423 counts[pieceType[piece]]--;
12424 pieceType[piece] = (ChessSquare) move->to;
12425 counts[move->to]++;
12426 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12427 counts[pieceType[quickBoard[to]]]--;
12428 quickBoard[to] = 0; total--;
12431 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12432 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12433 from = pieceList[piece]; // so this must be King
12434 quickBoard[from] = 0;
12435 pieceList[piece] = to;
12436 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12437 quickBoard[from] = 0; // rook
12438 quickBoard[to] = piece;
12439 to = move->to; piece = move->piece;
12443 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12444 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12445 quickBoard[from] = 0;
12447 quickBoard[to] = piece;
12448 pieceList[piece] = to;
12458 flipSearch = FALSE;
12459 CopyBoard(soughtBoard, boards[currentMove]);
12460 soughtTotal = MakePieceList(soughtBoard, maxSought);
12461 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12462 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12463 CopyBoard(reverseBoard, boards[currentMove]);
12464 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12465 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12466 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12467 reverseBoard[r][f] = piece;
12469 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12470 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12471 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12472 || (boards[currentMove][CASTLING][2] == NoRights ||
12473 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12474 && (boards[currentMove][CASTLING][5] == NoRights ||
12475 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12478 CopyBoard(flipBoard, soughtBoard);
12479 CopyBoard(rotateBoard, reverseBoard);
12480 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12481 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12482 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12485 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12486 if(appData.searchMode >= 5) {
12487 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12488 MakePieceList(soughtBoard, minSought);
12489 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12491 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12492 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12495 GameInfo dummyInfo;
12496 static int creatingBook;
12499 GameContainsPosition (FILE *f, ListGame *lg)
12501 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12502 int fromX, fromY, toX, toY;
12504 static int initDone=FALSE;
12506 // weed out games based on numerical tag comparison
12507 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12508 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12509 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12510 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12512 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12515 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12516 else CopyBoard(boards[scratch], initialPosition); // default start position
12519 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12520 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12523 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12524 fseek(f, lg->offset, 0);
12527 yyboardindex = scratch;
12528 quickFlag = plyNr+1;
12533 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12539 if(plyNr) return -1; // after we have seen moves, this is for new game
12542 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12543 case ImpossibleMove:
12544 case WhiteWins: // game ends here with these four
12547 case GameUnfinished:
12551 if(appData.testLegality) return -1;
12552 case WhiteCapturesEnPassant:
12553 case BlackCapturesEnPassant:
12554 case WhitePromotion:
12555 case BlackPromotion:
12556 case WhiteNonPromotion:
12557 case BlackNonPromotion:
12560 case WhiteKingSideCastle:
12561 case WhiteQueenSideCastle:
12562 case BlackKingSideCastle:
12563 case BlackQueenSideCastle:
12564 case WhiteKingSideCastleWild:
12565 case WhiteQueenSideCastleWild:
12566 case BlackKingSideCastleWild:
12567 case BlackQueenSideCastleWild:
12568 case WhiteHSideCastleFR:
12569 case WhiteASideCastleFR:
12570 case BlackHSideCastleFR:
12571 case BlackASideCastleFR:
12572 fromX = currentMoveString[0] - AAA;
12573 fromY = currentMoveString[1] - ONE;
12574 toX = currentMoveString[2] - AAA;
12575 toY = currentMoveString[3] - ONE;
12576 promoChar = currentMoveString[4];
12580 fromX = next == WhiteDrop ?
12581 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12582 (int) CharToPiece(ToLower(currentMoveString[0]));
12584 toX = currentMoveString[2] - AAA;
12585 toY = currentMoveString[3] - ONE;
12589 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12591 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12592 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12593 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12594 if(appData.findMirror) {
12595 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12596 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12601 /* Load the nth game from open file f */
12603 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12607 int gn = gameNumber;
12608 ListGame *lg = NULL;
12609 int numPGNTags = 0;
12611 GameMode oldGameMode;
12612 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12614 if (appData.debugMode)
12615 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12617 if (gameMode == Training )
12618 SetTrainingModeOff();
12620 oldGameMode = gameMode;
12621 if (gameMode != BeginningOfGame) {
12622 Reset(FALSE, TRUE);
12624 killX = killY = -1; // [HGM] lion: in case we did not Reset
12627 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12628 fclose(lastLoadGameFP);
12632 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12635 fseek(f, lg->offset, 0);
12636 GameListHighlight(gameNumber);
12637 pos = lg->position;
12641 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12642 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12644 DisplayError(_("Game number out of range"), 0);
12649 if (fseek(f, 0, 0) == -1) {
12650 if (f == lastLoadGameFP ?
12651 gameNumber == lastLoadGameNumber + 1 :
12655 DisplayError(_("Can't seek on game file"), 0);
12660 lastLoadGameFP = f;
12661 lastLoadGameNumber = gameNumber;
12662 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12663 lastLoadGameUseList = useList;
12667 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12668 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12669 lg->gameInfo.black);
12671 } else if (*title != NULLCHAR) {
12672 if (gameNumber > 1) {
12673 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12676 DisplayTitle(title);
12680 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12681 gameMode = PlayFromGameFile;
12685 currentMove = forwardMostMove = backwardMostMove = 0;
12686 CopyBoard(boards[0], initialPosition);
12690 * Skip the first gn-1 games in the file.
12691 * Also skip over anything that precedes an identifiable
12692 * start of game marker, to avoid being confused by
12693 * garbage at the start of the file. Currently
12694 * recognized start of game markers are the move number "1",
12695 * the pattern "gnuchess .* game", the pattern
12696 * "^[#;%] [^ ]* game file", and a PGN tag block.
12697 * A game that starts with one of the latter two patterns
12698 * will also have a move number 1, possibly
12699 * following a position diagram.
12700 * 5-4-02: Let's try being more lenient and allowing a game to
12701 * start with an unnumbered move. Does that break anything?
12703 cm = lastLoadGameStart = EndOfFile;
12705 yyboardindex = forwardMostMove;
12706 cm = (ChessMove) Myylex();
12709 if (cmailMsgLoaded) {
12710 nCmailGames = CMAIL_MAX_GAMES - gn;
12713 DisplayError(_("Game not found in file"), 0);
12720 lastLoadGameStart = cm;
12723 case MoveNumberOne:
12724 switch (lastLoadGameStart) {
12729 case MoveNumberOne:
12731 gn--; /* count this game */
12732 lastLoadGameStart = cm;
12741 switch (lastLoadGameStart) {
12744 case MoveNumberOne:
12746 gn--; /* count this game */
12747 lastLoadGameStart = cm;
12750 lastLoadGameStart = cm; /* game counted already */
12758 yyboardindex = forwardMostMove;
12759 cm = (ChessMove) Myylex();
12760 } while (cm == PGNTag || cm == Comment);
12767 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12768 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12769 != CMAIL_OLD_RESULT) {
12771 cmailResult[ CMAIL_MAX_GAMES
12772 - gn - 1] = CMAIL_OLD_RESULT;
12779 /* Only a NormalMove can be at the start of a game
12780 * without a position diagram. */
12781 if (lastLoadGameStart == EndOfFile ) {
12783 lastLoadGameStart = MoveNumberOne;
12792 if (appData.debugMode)
12793 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12795 if (cm == XBoardGame) {
12796 /* Skip any header junk before position diagram and/or move 1 */
12798 yyboardindex = forwardMostMove;
12799 cm = (ChessMove) Myylex();
12801 if (cm == EndOfFile ||
12802 cm == GNUChessGame || cm == XBoardGame) {
12803 /* Empty game; pretend end-of-file and handle later */
12808 if (cm == MoveNumberOne || cm == PositionDiagram ||
12809 cm == PGNTag || cm == Comment)
12812 } else if (cm == GNUChessGame) {
12813 if (gameInfo.event != NULL) {
12814 free(gameInfo.event);
12816 gameInfo.event = StrSave(yy_text);
12819 startedFromSetupPosition = FALSE;
12820 while (cm == PGNTag) {
12821 if (appData.debugMode)
12822 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12823 err = ParsePGNTag(yy_text, &gameInfo);
12824 if (!err) numPGNTags++;
12826 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12827 if(gameInfo.variant != oldVariant) {
12828 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12829 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12830 InitPosition(TRUE);
12831 oldVariant = gameInfo.variant;
12832 if (appData.debugMode)
12833 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12837 if (gameInfo.fen != NULL) {
12838 Board initial_position;
12839 startedFromSetupPosition = TRUE;
12840 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12842 DisplayError(_("Bad FEN position in file"), 0);
12845 CopyBoard(boards[0], initial_position);
12846 if (blackPlaysFirst) {
12847 currentMove = forwardMostMove = backwardMostMove = 1;
12848 CopyBoard(boards[1], initial_position);
12849 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12850 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12851 timeRemaining[0][1] = whiteTimeRemaining;
12852 timeRemaining[1][1] = blackTimeRemaining;
12853 if (commentList[0] != NULL) {
12854 commentList[1] = commentList[0];
12855 commentList[0] = NULL;
12858 currentMove = forwardMostMove = backwardMostMove = 0;
12860 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12862 initialRulePlies = FENrulePlies;
12863 for( i=0; i< nrCastlingRights; i++ )
12864 initialRights[i] = initial_position[CASTLING][i];
12866 yyboardindex = forwardMostMove;
12867 free(gameInfo.fen);
12868 gameInfo.fen = NULL;
12871 yyboardindex = forwardMostMove;
12872 cm = (ChessMove) Myylex();
12874 /* Handle comments interspersed among the tags */
12875 while (cm == Comment) {
12877 if (appData.debugMode)
12878 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12880 AppendComment(currentMove, p, FALSE);
12881 yyboardindex = forwardMostMove;
12882 cm = (ChessMove) Myylex();
12886 /* don't rely on existence of Event tag since if game was
12887 * pasted from clipboard the Event tag may not exist
12889 if (numPGNTags > 0){
12891 if (gameInfo.variant == VariantNormal) {
12892 VariantClass v = StringToVariant(gameInfo.event);
12893 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12894 if(v < VariantShogi) gameInfo.variant = v;
12897 if( appData.autoDisplayTags ) {
12898 tags = PGNTags(&gameInfo);
12899 TagsPopUp(tags, CmailMsg());
12904 /* Make something up, but don't display it now */
12909 if (cm == PositionDiagram) {
12912 Board initial_position;
12914 if (appData.debugMode)
12915 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12917 if (!startedFromSetupPosition) {
12919 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12920 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12931 initial_position[i][j++] = CharToPiece(*p);
12934 while (*p == ' ' || *p == '\t' ||
12935 *p == '\n' || *p == '\r') p++;
12937 if (strncmp(p, "black", strlen("black"))==0)
12938 blackPlaysFirst = TRUE;
12940 blackPlaysFirst = FALSE;
12941 startedFromSetupPosition = TRUE;
12943 CopyBoard(boards[0], initial_position);
12944 if (blackPlaysFirst) {
12945 currentMove = forwardMostMove = backwardMostMove = 1;
12946 CopyBoard(boards[1], initial_position);
12947 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12948 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12949 timeRemaining[0][1] = whiteTimeRemaining;
12950 timeRemaining[1][1] = blackTimeRemaining;
12951 if (commentList[0] != NULL) {
12952 commentList[1] = commentList[0];
12953 commentList[0] = NULL;
12956 currentMove = forwardMostMove = backwardMostMove = 0;
12959 yyboardindex = forwardMostMove;
12960 cm = (ChessMove) Myylex();
12963 if(!creatingBook) {
12964 if (first.pr == NoProc) {
12965 StartChessProgram(&first);
12967 InitChessProgram(&first, FALSE);
12968 SendToProgram("force\n", &first);
12969 if (startedFromSetupPosition) {
12970 SendBoard(&first, forwardMostMove);
12971 if (appData.debugMode) {
12972 fprintf(debugFP, "Load Game\n");
12974 DisplayBothClocks();
12978 /* [HGM] server: flag to write setup moves in broadcast file as one */
12979 loadFlag = appData.suppressLoadMoves;
12981 while (cm == Comment) {
12983 if (appData.debugMode)
12984 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12986 AppendComment(currentMove, p, FALSE);
12987 yyboardindex = forwardMostMove;
12988 cm = (ChessMove) Myylex();
12991 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12992 cm == WhiteWins || cm == BlackWins ||
12993 cm == GameIsDrawn || cm == GameUnfinished) {
12994 DisplayMessage("", _("No moves in game"));
12995 if (cmailMsgLoaded) {
12996 if (appData.debugMode)
12997 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13001 DrawPosition(FALSE, boards[currentMove]);
13002 DisplayBothClocks();
13003 gameMode = EditGame;
13010 // [HGM] PV info: routine tests if comment empty
13011 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13012 DisplayComment(currentMove - 1, commentList[currentMove]);
13014 if (!matchMode && appData.timeDelay != 0)
13015 DrawPosition(FALSE, boards[currentMove]);
13017 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13018 programStats.ok_to_send = 1;
13021 /* if the first token after the PGN tags is a move
13022 * and not move number 1, retrieve it from the parser
13024 if (cm != MoveNumberOne)
13025 LoadGameOneMove(cm);
13027 /* load the remaining moves from the file */
13028 while (LoadGameOneMove(EndOfFile)) {
13029 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13030 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13033 /* rewind to the start of the game */
13034 currentMove = backwardMostMove;
13036 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13038 if (oldGameMode == AnalyzeFile) {
13039 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13040 AnalyzeFileEvent();
13042 if (oldGameMode == AnalyzeMode) {
13043 AnalyzeFileEvent();
13046 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13047 long int w, b; // [HGM] adjourn: restore saved clock times
13048 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13049 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13050 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13051 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13055 if(creatingBook) return TRUE;
13056 if (!matchMode && pos > 0) {
13057 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13059 if (matchMode || appData.timeDelay == 0) {
13061 } else if (appData.timeDelay > 0) {
13062 AutoPlayGameLoop();
13065 if (appData.debugMode)
13066 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13068 loadFlag = 0; /* [HGM] true game starts */
13072 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13074 ReloadPosition (int offset)
13076 int positionNumber = lastLoadPositionNumber + offset;
13077 if (lastLoadPositionFP == NULL) {
13078 DisplayError(_("No position has been loaded yet"), 0);
13081 if (positionNumber <= 0) {
13082 DisplayError(_("Can't back up any further"), 0);
13085 return LoadPosition(lastLoadPositionFP, positionNumber,
13086 lastLoadPositionTitle);
13089 /* Load the nth position from the given file */
13091 LoadPositionFromFile (char *filename, int n, char *title)
13096 if (strcmp(filename, "-") == 0) {
13097 return LoadPosition(stdin, n, "stdin");
13099 f = fopen(filename, "rb");
13101 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13102 DisplayError(buf, errno);
13105 return LoadPosition(f, n, title);
13110 /* Load the nth position from the given open file, and close it */
13112 LoadPosition (FILE *f, int positionNumber, char *title)
13114 char *p, line[MSG_SIZ];
13115 Board initial_position;
13116 int i, j, fenMode, pn;
13118 if (gameMode == Training )
13119 SetTrainingModeOff();
13121 if (gameMode != BeginningOfGame) {
13122 Reset(FALSE, TRUE);
13124 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13125 fclose(lastLoadPositionFP);
13127 if (positionNumber == 0) positionNumber = 1;
13128 lastLoadPositionFP = f;
13129 lastLoadPositionNumber = positionNumber;
13130 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13131 if (first.pr == NoProc && !appData.noChessProgram) {
13132 StartChessProgram(&first);
13133 InitChessProgram(&first, FALSE);
13135 pn = positionNumber;
13136 if (positionNumber < 0) {
13137 /* Negative position number means to seek to that byte offset */
13138 if (fseek(f, -positionNumber, 0) == -1) {
13139 DisplayError(_("Can't seek on position file"), 0);
13144 if (fseek(f, 0, 0) == -1) {
13145 if (f == lastLoadPositionFP ?
13146 positionNumber == lastLoadPositionNumber + 1 :
13147 positionNumber == 1) {
13150 DisplayError(_("Can't seek on position file"), 0);
13155 /* See if this file is FEN or old-style xboard */
13156 if (fgets(line, MSG_SIZ, f) == NULL) {
13157 DisplayError(_("Position not found in file"), 0);
13160 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13161 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13164 if (fenMode || line[0] == '#') pn--;
13166 /* skip positions before number pn */
13167 if (fgets(line, MSG_SIZ, f) == NULL) {
13169 DisplayError(_("Position not found in file"), 0);
13172 if (fenMode || line[0] == '#') pn--;
13177 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13178 DisplayError(_("Bad FEN position in file"), 0);
13182 (void) fgets(line, MSG_SIZ, f);
13183 (void) fgets(line, MSG_SIZ, f);
13185 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13186 (void) fgets(line, MSG_SIZ, f);
13187 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13190 initial_position[i][j++] = CharToPiece(*p);
13194 blackPlaysFirst = FALSE;
13196 (void) fgets(line, MSG_SIZ, f);
13197 if (strncmp(line, "black", strlen("black"))==0)
13198 blackPlaysFirst = TRUE;
13201 startedFromSetupPosition = TRUE;
13203 CopyBoard(boards[0], initial_position);
13204 if (blackPlaysFirst) {
13205 currentMove = forwardMostMove = backwardMostMove = 1;
13206 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13207 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13208 CopyBoard(boards[1], initial_position);
13209 DisplayMessage("", _("Black to play"));
13211 currentMove = forwardMostMove = backwardMostMove = 0;
13212 DisplayMessage("", _("White to play"));
13214 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13215 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13216 SendToProgram("force\n", &first);
13217 SendBoard(&first, forwardMostMove);
13219 if (appData.debugMode) {
13221 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13222 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13223 fprintf(debugFP, "Load Position\n");
13226 if (positionNumber > 1) {
13227 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13228 DisplayTitle(line);
13230 DisplayTitle(title);
13232 gameMode = EditGame;
13235 timeRemaining[0][1] = whiteTimeRemaining;
13236 timeRemaining[1][1] = blackTimeRemaining;
13237 DrawPosition(FALSE, boards[currentMove]);
13244 CopyPlayerNameIntoFileName (char **dest, char *src)
13246 while (*src != NULLCHAR && *src != ',') {
13251 *(*dest)++ = *src++;
13257 DefaultFileName (char *ext)
13259 static char def[MSG_SIZ];
13262 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13264 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13266 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13268 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13275 /* Save the current game to the given file */
13277 SaveGameToFile (char *filename, int append)
13281 int result, i, t,tot=0;
13283 if (strcmp(filename, "-") == 0) {
13284 return SaveGame(stdout, 0, NULL);
13286 for(i=0; i<10; i++) { // upto 10 tries
13287 f = fopen(filename, append ? "a" : "w");
13288 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13289 if(f || errno != 13) break;
13290 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13294 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13295 DisplayError(buf, errno);
13298 safeStrCpy(buf, lastMsg, MSG_SIZ);
13299 DisplayMessage(_("Waiting for access to save file"), "");
13300 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13301 DisplayMessage(_("Saving game"), "");
13302 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13303 result = SaveGame(f, 0, NULL);
13304 DisplayMessage(buf, "");
13311 SavePart (char *str)
13313 static char buf[MSG_SIZ];
13316 p = strchr(str, ' ');
13317 if (p == NULL) return str;
13318 strncpy(buf, str, p - str);
13319 buf[p - str] = NULLCHAR;
13323 #define PGN_MAX_LINE 75
13325 #define PGN_SIDE_WHITE 0
13326 #define PGN_SIDE_BLACK 1
13329 FindFirstMoveOutOfBook (int side)
13333 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13334 int index = backwardMostMove;
13335 int has_book_hit = 0;
13337 if( (index % 2) != side ) {
13341 while( index < forwardMostMove ) {
13342 /* Check to see if engine is in book */
13343 int depth = pvInfoList[index].depth;
13344 int score = pvInfoList[index].score;
13350 else if( score == 0 && depth == 63 ) {
13351 in_book = 1; /* Zappa */
13353 else if( score == 2 && depth == 99 ) {
13354 in_book = 1; /* Abrok */
13357 has_book_hit += in_book;
13373 GetOutOfBookInfo (char * buf)
13377 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13379 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13380 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13384 if( oob[0] >= 0 || oob[1] >= 0 ) {
13385 for( i=0; i<2; i++ ) {
13389 if( i > 0 && oob[0] >= 0 ) {
13390 strcat( buf, " " );
13393 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13394 sprintf( buf+strlen(buf), "%s%.2f",
13395 pvInfoList[idx].score >= 0 ? "+" : "",
13396 pvInfoList[idx].score / 100.0 );
13402 /* Save game in PGN style */
13404 SaveGamePGN2 (FILE *f)
13406 int i, offset, linelen, newblock;
13409 int movelen, numlen, blank;
13410 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13412 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13414 PrintPGNTags(f, &gameInfo);
13416 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13418 if (backwardMostMove > 0 || startedFromSetupPosition) {
13419 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13420 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13421 fprintf(f, "\n{--------------\n");
13422 PrintPosition(f, backwardMostMove);
13423 fprintf(f, "--------------}\n");
13427 /* [AS] Out of book annotation */
13428 if( appData.saveOutOfBookInfo ) {
13431 GetOutOfBookInfo( buf );
13433 if( buf[0] != '\0' ) {
13434 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13441 i = backwardMostMove;
13445 while (i < forwardMostMove) {
13446 /* Print comments preceding this move */
13447 if (commentList[i] != NULL) {
13448 if (linelen > 0) fprintf(f, "\n");
13449 fprintf(f, "%s", commentList[i]);
13454 /* Format move number */
13456 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13459 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13461 numtext[0] = NULLCHAR;
13463 numlen = strlen(numtext);
13466 /* Print move number */
13467 blank = linelen > 0 && numlen > 0;
13468 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13477 fprintf(f, "%s", numtext);
13481 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13482 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13485 blank = linelen > 0 && movelen > 0;
13486 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13495 fprintf(f, "%s", move_buffer);
13496 linelen += movelen;
13498 /* [AS] Add PV info if present */
13499 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13500 /* [HGM] add time */
13501 char buf[MSG_SIZ]; int seconds;
13503 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13509 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13512 seconds = (seconds + 4)/10; // round to full seconds
13514 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13516 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13519 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13520 pvInfoList[i].score >= 0 ? "+" : "",
13521 pvInfoList[i].score / 100.0,
13522 pvInfoList[i].depth,
13525 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13527 /* Print score/depth */
13528 blank = linelen > 0 && movelen > 0;
13529 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13538 fprintf(f, "%s", move_buffer);
13539 linelen += movelen;
13545 /* Start a new line */
13546 if (linelen > 0) fprintf(f, "\n");
13548 /* Print comments after last move */
13549 if (commentList[i] != NULL) {
13550 fprintf(f, "%s\n", commentList[i]);
13554 if (gameInfo.resultDetails != NULL &&
13555 gameInfo.resultDetails[0] != NULLCHAR) {
13556 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13557 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13558 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13559 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13560 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13562 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13566 /* Save game in PGN style and close the file */
13568 SaveGamePGN (FILE *f)
13572 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13576 /* Save game in old style and close the file */
13578 SaveGameOldStyle (FILE *f)
13583 tm = time((time_t *) NULL);
13585 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13588 if (backwardMostMove > 0 || startedFromSetupPosition) {
13589 fprintf(f, "\n[--------------\n");
13590 PrintPosition(f, backwardMostMove);
13591 fprintf(f, "--------------]\n");
13596 i = backwardMostMove;
13597 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13599 while (i < forwardMostMove) {
13600 if (commentList[i] != NULL) {
13601 fprintf(f, "[%s]\n", commentList[i]);
13604 if ((i % 2) == 1) {
13605 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13608 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13610 if (commentList[i] != NULL) {
13614 if (i >= forwardMostMove) {
13618 fprintf(f, "%s\n", parseList[i]);
13623 if (commentList[i] != NULL) {
13624 fprintf(f, "[%s]\n", commentList[i]);
13627 /* This isn't really the old style, but it's close enough */
13628 if (gameInfo.resultDetails != NULL &&
13629 gameInfo.resultDetails[0] != NULLCHAR) {
13630 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13631 gameInfo.resultDetails);
13633 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13640 /* Save the current game to open file f and close the file */
13642 SaveGame (FILE *f, int dummy, char *dummy2)
13644 if (gameMode == EditPosition) EditPositionDone(TRUE);
13645 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13646 if (appData.oldSaveStyle)
13647 return SaveGameOldStyle(f);
13649 return SaveGamePGN(f);
13652 /* Save the current position to the given file */
13654 SavePositionToFile (char *filename)
13659 if (strcmp(filename, "-") == 0) {
13660 return SavePosition(stdout, 0, NULL);
13662 f = fopen(filename, "a");
13664 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13665 DisplayError(buf, errno);
13668 safeStrCpy(buf, lastMsg, MSG_SIZ);
13669 DisplayMessage(_("Waiting for access to save file"), "");
13670 flock(fileno(f), LOCK_EX); // [HGM] lock
13671 DisplayMessage(_("Saving position"), "");
13672 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13673 SavePosition(f, 0, NULL);
13674 DisplayMessage(buf, "");
13680 /* Save the current position to the given open file and close the file */
13682 SavePosition (FILE *f, int dummy, char *dummy2)
13687 if (gameMode == EditPosition) EditPositionDone(TRUE);
13688 if (appData.oldSaveStyle) {
13689 tm = time((time_t *) NULL);
13691 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13693 fprintf(f, "[--------------\n");
13694 PrintPosition(f, currentMove);
13695 fprintf(f, "--------------]\n");
13697 fen = PositionToFEN(currentMove, NULL, 1);
13698 fprintf(f, "%s\n", fen);
13706 ReloadCmailMsgEvent (int unregister)
13709 static char *inFilename = NULL;
13710 static char *outFilename;
13712 struct stat inbuf, outbuf;
13715 /* Any registered moves are unregistered if unregister is set, */
13716 /* i.e. invoked by the signal handler */
13718 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13719 cmailMoveRegistered[i] = FALSE;
13720 if (cmailCommentList[i] != NULL) {
13721 free(cmailCommentList[i]);
13722 cmailCommentList[i] = NULL;
13725 nCmailMovesRegistered = 0;
13728 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13729 cmailResult[i] = CMAIL_NOT_RESULT;
13733 if (inFilename == NULL) {
13734 /* Because the filenames are static they only get malloced once */
13735 /* and they never get freed */
13736 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13737 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13739 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13740 sprintf(outFilename, "%s.out", appData.cmailGameName);
13743 status = stat(outFilename, &outbuf);
13745 cmailMailedMove = FALSE;
13747 status = stat(inFilename, &inbuf);
13748 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13751 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13752 counts the games, notes how each one terminated, etc.
13754 It would be nice to remove this kludge and instead gather all
13755 the information while building the game list. (And to keep it
13756 in the game list nodes instead of having a bunch of fixed-size
13757 parallel arrays.) Note this will require getting each game's
13758 termination from the PGN tags, as the game list builder does
13759 not process the game moves. --mann
13761 cmailMsgLoaded = TRUE;
13762 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13764 /* Load first game in the file or popup game menu */
13765 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13767 #endif /* !WIN32 */
13775 char string[MSG_SIZ];
13777 if ( cmailMailedMove
13778 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13779 return TRUE; /* Allow free viewing */
13782 /* Unregister move to ensure that we don't leave RegisterMove */
13783 /* with the move registered when the conditions for registering no */
13785 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13786 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13787 nCmailMovesRegistered --;
13789 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13791 free(cmailCommentList[lastLoadGameNumber - 1]);
13792 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13796 if (cmailOldMove == -1) {
13797 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13801 if (currentMove > cmailOldMove + 1) {
13802 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13806 if (currentMove < cmailOldMove) {
13807 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13811 if (forwardMostMove > currentMove) {
13812 /* Silently truncate extra moves */
13816 if ( (currentMove == cmailOldMove + 1)
13817 || ( (currentMove == cmailOldMove)
13818 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13819 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13820 if (gameInfo.result != GameUnfinished) {
13821 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13824 if (commentList[currentMove] != NULL) {
13825 cmailCommentList[lastLoadGameNumber - 1]
13826 = StrSave(commentList[currentMove]);
13828 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13830 if (appData.debugMode)
13831 fprintf(debugFP, "Saving %s for game %d\n",
13832 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13834 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13836 f = fopen(string, "w");
13837 if (appData.oldSaveStyle) {
13838 SaveGameOldStyle(f); /* also closes the file */
13840 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13841 f = fopen(string, "w");
13842 SavePosition(f, 0, NULL); /* also closes the file */
13844 fprintf(f, "{--------------\n");
13845 PrintPosition(f, currentMove);
13846 fprintf(f, "--------------}\n\n");
13848 SaveGame(f, 0, NULL); /* also closes the file*/
13851 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13852 nCmailMovesRegistered ++;
13853 } else if (nCmailGames == 1) {
13854 DisplayError(_("You have not made a move yet"), 0);
13865 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13866 FILE *commandOutput;
13867 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13868 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13874 if (! cmailMsgLoaded) {
13875 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13879 if (nCmailGames == nCmailResults) {
13880 DisplayError(_("No unfinished games"), 0);
13884 #if CMAIL_PROHIBIT_REMAIL
13885 if (cmailMailedMove) {
13886 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);
13887 DisplayError(msg, 0);
13892 if (! (cmailMailedMove || RegisterMove())) return;
13894 if ( cmailMailedMove
13895 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13896 snprintf(string, MSG_SIZ, partCommandString,
13897 appData.debugMode ? " -v" : "", appData.cmailGameName);
13898 commandOutput = popen(string, "r");
13900 if (commandOutput == NULL) {
13901 DisplayError(_("Failed to invoke cmail"), 0);
13903 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13904 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13906 if (nBuffers > 1) {
13907 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13908 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13909 nBytes = MSG_SIZ - 1;
13911 (void) memcpy(msg, buffer, nBytes);
13913 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13915 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13916 cmailMailedMove = TRUE; /* Prevent >1 moves */
13919 for (i = 0; i < nCmailGames; i ++) {
13920 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13925 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13927 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13929 appData.cmailGameName,
13931 LoadGameFromFile(buffer, 1, buffer, FALSE);
13932 cmailMsgLoaded = FALSE;
13936 DisplayInformation(msg);
13937 pclose(commandOutput);
13940 if ((*cmailMsg) != '\0') {
13941 DisplayInformation(cmailMsg);
13946 #endif /* !WIN32 */
13955 int prependComma = 0;
13957 char string[MSG_SIZ]; /* Space for game-list */
13960 if (!cmailMsgLoaded) return "";
13962 if (cmailMailedMove) {
13963 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13965 /* Create a list of games left */
13966 snprintf(string, MSG_SIZ, "[");
13967 for (i = 0; i < nCmailGames; i ++) {
13968 if (! ( cmailMoveRegistered[i]
13969 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13970 if (prependComma) {
13971 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13973 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13977 strcat(string, number);
13980 strcat(string, "]");
13982 if (nCmailMovesRegistered + nCmailResults == 0) {
13983 switch (nCmailGames) {
13985 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13989 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13993 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13998 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14000 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14005 if (nCmailResults == nCmailGames) {
14006 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14008 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14013 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14025 if (gameMode == Training)
14026 SetTrainingModeOff();
14029 cmailMsgLoaded = FALSE;
14030 if (appData.icsActive) {
14031 SendToICS(ics_prefix);
14032 SendToICS("refresh\n");
14037 ExitEvent (int status)
14041 /* Give up on clean exit */
14045 /* Keep trying for clean exit */
14049 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14050 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14052 if (telnetISR != NULL) {
14053 RemoveInputSource(telnetISR);
14055 if (icsPR != NoProc) {
14056 DestroyChildProcess(icsPR, TRUE);
14059 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14060 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14062 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14063 /* make sure this other one finishes before killing it! */
14064 if(endingGame) { int count = 0;
14065 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14066 while(endingGame && count++ < 10) DoSleep(1);
14067 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14070 /* Kill off chess programs */
14071 if (first.pr != NoProc) {
14074 DoSleep( appData.delayBeforeQuit );
14075 SendToProgram("quit\n", &first);
14076 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14078 if (second.pr != NoProc) {
14079 DoSleep( appData.delayBeforeQuit );
14080 SendToProgram("quit\n", &second);
14081 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14083 if (first.isr != NULL) {
14084 RemoveInputSource(first.isr);
14086 if (second.isr != NULL) {
14087 RemoveInputSource(second.isr);
14090 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14091 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14093 ShutDownFrontEnd();
14098 PauseEngine (ChessProgramState *cps)
14100 SendToProgram("pause\n", cps);
14105 UnPauseEngine (ChessProgramState *cps)
14107 SendToProgram("resume\n", cps);
14114 if (appData.debugMode)
14115 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14119 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14121 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14122 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14123 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14125 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14126 HandleMachineMove(stashedInputMove, stalledEngine);
14127 stalledEngine = NULL;
14130 if (gameMode == MachinePlaysWhite ||
14131 gameMode == TwoMachinesPlay ||
14132 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14133 if(first.pause) UnPauseEngine(&first);
14134 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14135 if(second.pause) UnPauseEngine(&second);
14136 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14139 DisplayBothClocks();
14141 if (gameMode == PlayFromGameFile) {
14142 if (appData.timeDelay >= 0)
14143 AutoPlayGameLoop();
14144 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14145 Reset(FALSE, TRUE);
14146 SendToICS(ics_prefix);
14147 SendToICS("refresh\n");
14148 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14149 ForwardInner(forwardMostMove);
14151 pauseExamInvalid = FALSE;
14153 switch (gameMode) {
14157 pauseExamForwardMostMove = forwardMostMove;
14158 pauseExamInvalid = FALSE;
14161 case IcsPlayingWhite:
14162 case IcsPlayingBlack:
14166 case PlayFromGameFile:
14167 (void) StopLoadGameTimer();
14171 case BeginningOfGame:
14172 if (appData.icsActive) return;
14173 /* else fall through */
14174 case MachinePlaysWhite:
14175 case MachinePlaysBlack:
14176 case TwoMachinesPlay:
14177 if (forwardMostMove == 0)
14178 return; /* don't pause if no one has moved */
14179 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14180 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14181 if(onMove->pause) { // thinking engine can be paused
14182 PauseEngine(onMove); // do it
14183 if(onMove->other->pause) // pondering opponent can always be paused immediately
14184 PauseEngine(onMove->other);
14186 SendToProgram("easy\n", onMove->other);
14188 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14189 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14191 PauseEngine(&first);
14193 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14194 } else { // human on move, pause pondering by either method
14196 PauseEngine(&first);
14197 else if(appData.ponderNextMove)
14198 SendToProgram("easy\n", &first);
14201 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14211 EditCommentEvent ()
14213 char title[MSG_SIZ];
14215 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14216 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14218 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14219 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14220 parseList[currentMove - 1]);
14223 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14230 char *tags = PGNTags(&gameInfo);
14232 EditTagsPopUp(tags, NULL);
14239 if(second.analyzing) {
14240 SendToProgram("exit\n", &second);
14241 second.analyzing = FALSE;
14243 if (second.pr == NoProc) StartChessProgram(&second);
14244 InitChessProgram(&second, FALSE);
14245 FeedMovesToProgram(&second, currentMove);
14247 SendToProgram("analyze\n", &second);
14248 second.analyzing = TRUE;
14252 /* Toggle ShowThinking */
14254 ToggleShowThinking()
14256 appData.showThinking = !appData.showThinking;
14257 ShowThinkingEvent();
14261 AnalyzeModeEvent ()
14265 if (!first.analysisSupport) {
14266 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14267 DisplayError(buf, 0);
14270 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14271 if (appData.icsActive) {
14272 if (gameMode != IcsObserving) {
14273 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14274 DisplayError(buf, 0);
14276 if (appData.icsEngineAnalyze) {
14277 if (appData.debugMode)
14278 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14284 /* if enable, user wants to disable icsEngineAnalyze */
14285 if (appData.icsEngineAnalyze) {
14290 appData.icsEngineAnalyze = TRUE;
14291 if (appData.debugMode)
14292 fprintf(debugFP, "ICS engine analyze starting... \n");
14295 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14296 if (appData.noChessProgram || gameMode == AnalyzeMode)
14299 if (gameMode != AnalyzeFile) {
14300 if (!appData.icsEngineAnalyze) {
14302 if (gameMode != EditGame) return 0;
14304 if (!appData.showThinking) ToggleShowThinking();
14305 ResurrectChessProgram();
14306 SendToProgram("analyze\n", &first);
14307 first.analyzing = TRUE;
14308 /*first.maybeThinking = TRUE;*/
14309 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14310 EngineOutputPopUp();
14312 if (!appData.icsEngineAnalyze) {
14313 gameMode = AnalyzeMode;
14314 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14320 StartAnalysisClock();
14321 GetTimeMark(&lastNodeCountTime);
14327 AnalyzeFileEvent ()
14329 if (appData.noChessProgram || gameMode == AnalyzeFile)
14332 if (!first.analysisSupport) {
14334 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14335 DisplayError(buf, 0);
14339 if (gameMode != AnalyzeMode) {
14340 keepInfo = 1; // mere annotating should not alter PGN tags
14343 if (gameMode != EditGame) return;
14344 if (!appData.showThinking) ToggleShowThinking();
14345 ResurrectChessProgram();
14346 SendToProgram("analyze\n", &first);
14347 first.analyzing = TRUE;
14348 /*first.maybeThinking = TRUE;*/
14349 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14350 EngineOutputPopUp();
14352 gameMode = AnalyzeFile;
14356 StartAnalysisClock();
14357 GetTimeMark(&lastNodeCountTime);
14359 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14360 AnalysisPeriodicEvent(1);
14364 MachineWhiteEvent ()
14367 char *bookHit = NULL;
14369 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14373 if (gameMode == PlayFromGameFile ||
14374 gameMode == TwoMachinesPlay ||
14375 gameMode == Training ||
14376 gameMode == AnalyzeMode ||
14377 gameMode == EndOfGame)
14380 if (gameMode == EditPosition)
14381 EditPositionDone(TRUE);
14383 if (!WhiteOnMove(currentMove)) {
14384 DisplayError(_("It is not White's turn"), 0);
14388 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14391 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14392 gameMode == AnalyzeFile)
14395 ResurrectChessProgram(); /* in case it isn't running */
14396 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14397 gameMode = MachinePlaysWhite;
14400 gameMode = MachinePlaysWhite;
14404 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14406 if (first.sendName) {
14407 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14408 SendToProgram(buf, &first);
14410 if (first.sendTime) {
14411 if (first.useColors) {
14412 SendToProgram("black\n", &first); /*gnu kludge*/
14414 SendTimeRemaining(&first, TRUE);
14416 if (first.useColors) {
14417 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14419 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14420 SetMachineThinkingEnables();
14421 first.maybeThinking = TRUE;
14425 if (appData.autoFlipView && !flipView) {
14426 flipView = !flipView;
14427 DrawPosition(FALSE, NULL);
14428 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14431 if(bookHit) { // [HGM] book: simulate book reply
14432 static char bookMove[MSG_SIZ]; // a bit generous?
14434 programStats.nodes = programStats.depth = programStats.time =
14435 programStats.score = programStats.got_only_move = 0;
14436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14438 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14439 strcat(bookMove, bookHit);
14440 HandleMachineMove(bookMove, &first);
14445 MachineBlackEvent ()
14448 char *bookHit = NULL;
14450 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14454 if (gameMode == PlayFromGameFile ||
14455 gameMode == TwoMachinesPlay ||
14456 gameMode == Training ||
14457 gameMode == AnalyzeMode ||
14458 gameMode == EndOfGame)
14461 if (gameMode == EditPosition)
14462 EditPositionDone(TRUE);
14464 if (WhiteOnMove(currentMove)) {
14465 DisplayError(_("It is not Black's turn"), 0);
14469 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14472 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14473 gameMode == AnalyzeFile)
14476 ResurrectChessProgram(); /* in case it isn't running */
14477 gameMode = MachinePlaysBlack;
14481 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14483 if (first.sendName) {
14484 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14485 SendToProgram(buf, &first);
14487 if (first.sendTime) {
14488 if (first.useColors) {
14489 SendToProgram("white\n", &first); /*gnu kludge*/
14491 SendTimeRemaining(&first, FALSE);
14493 if (first.useColors) {
14494 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14496 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14497 SetMachineThinkingEnables();
14498 first.maybeThinking = TRUE;
14501 if (appData.autoFlipView && flipView) {
14502 flipView = !flipView;
14503 DrawPosition(FALSE, NULL);
14504 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14506 if(bookHit) { // [HGM] book: simulate book reply
14507 static char bookMove[MSG_SIZ]; // a bit generous?
14509 programStats.nodes = programStats.depth = programStats.time =
14510 programStats.score = programStats.got_only_move = 0;
14511 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14513 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14514 strcat(bookMove, bookHit);
14515 HandleMachineMove(bookMove, &first);
14521 DisplayTwoMachinesTitle ()
14524 if (appData.matchGames > 0) {
14525 if(appData.tourneyFile[0]) {
14526 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14527 gameInfo.white, _("vs."), gameInfo.black,
14528 nextGame+1, appData.matchGames+1,
14529 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14531 if (first.twoMachinesColor[0] == 'w') {
14532 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14533 gameInfo.white, _("vs."), gameInfo.black,
14534 first.matchWins, second.matchWins,
14535 matchGame - 1 - (first.matchWins + second.matchWins));
14537 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14538 gameInfo.white, _("vs."), gameInfo.black,
14539 second.matchWins, first.matchWins,
14540 matchGame - 1 - (first.matchWins + second.matchWins));
14543 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14549 SettingsMenuIfReady ()
14551 if (second.lastPing != second.lastPong) {
14552 DisplayMessage("", _("Waiting for second chess program"));
14553 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14557 DisplayMessage("", "");
14558 SettingsPopUp(&second);
14562 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14565 if (cps->pr == NoProc) {
14566 StartChessProgram(cps);
14567 if (cps->protocolVersion == 1) {
14569 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14571 /* kludge: allow timeout for initial "feature" command */
14572 if(retry != TwoMachinesEventIfReady) FreezeUI();
14573 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14574 DisplayMessage("", buf);
14575 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14583 TwoMachinesEvent P((void))
14587 ChessProgramState *onmove;
14588 char *bookHit = NULL;
14589 static int stalling = 0;
14593 if (appData.noChessProgram) return;
14595 switch (gameMode) {
14596 case TwoMachinesPlay:
14598 case MachinePlaysWhite:
14599 case MachinePlaysBlack:
14600 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14601 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14605 case BeginningOfGame:
14606 case PlayFromGameFile:
14609 if (gameMode != EditGame) return;
14612 EditPositionDone(TRUE);
14623 // forwardMostMove = currentMove;
14624 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14625 startingEngine = TRUE;
14627 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14629 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14630 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14631 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14634 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14636 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14637 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14638 startingEngine = FALSE;
14639 DisplayError("second engine does not play this", 0);
14644 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14645 SendToProgram("force\n", &second);
14647 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14650 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14651 if(appData.matchPause>10000 || appData.matchPause<10)
14652 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14653 wait = SubtractTimeMarks(&now, &pauseStart);
14654 if(wait < appData.matchPause) {
14655 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14658 // we are now committed to starting the game
14660 DisplayMessage("", "");
14661 if (startedFromSetupPosition) {
14662 SendBoard(&second, backwardMostMove);
14663 if (appData.debugMode) {
14664 fprintf(debugFP, "Two Machines\n");
14667 for (i = backwardMostMove; i < forwardMostMove; i++) {
14668 SendMoveToProgram(i, &second);
14671 gameMode = TwoMachinesPlay;
14672 pausing = startingEngine = FALSE;
14673 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14675 DisplayTwoMachinesTitle();
14677 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14682 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14683 SendToProgram(first.computerString, &first);
14684 if (first.sendName) {
14685 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14686 SendToProgram(buf, &first);
14688 SendToProgram(second.computerString, &second);
14689 if (second.sendName) {
14690 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14691 SendToProgram(buf, &second);
14695 if (!first.sendTime || !second.sendTime) {
14696 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14697 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14699 if (onmove->sendTime) {
14700 if (onmove->useColors) {
14701 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14703 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14705 if (onmove->useColors) {
14706 SendToProgram(onmove->twoMachinesColor, onmove);
14708 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14709 // SendToProgram("go\n", onmove);
14710 onmove->maybeThinking = TRUE;
14711 SetMachineThinkingEnables();
14715 if(bookHit) { // [HGM] book: simulate book reply
14716 static char bookMove[MSG_SIZ]; // a bit generous?
14718 programStats.nodes = programStats.depth = programStats.time =
14719 programStats.score = programStats.got_only_move = 0;
14720 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14722 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14723 strcat(bookMove, bookHit);
14724 savedMessage = bookMove; // args for deferred call
14725 savedState = onmove;
14726 ScheduleDelayedEvent(DeferredBookMove, 1);
14733 if (gameMode == Training) {
14734 SetTrainingModeOff();
14735 gameMode = PlayFromGameFile;
14736 DisplayMessage("", _("Training mode off"));
14738 gameMode = Training;
14739 animateTraining = appData.animate;
14741 /* make sure we are not already at the end of the game */
14742 if (currentMove < forwardMostMove) {
14743 SetTrainingModeOn();
14744 DisplayMessage("", _("Training mode on"));
14746 gameMode = PlayFromGameFile;
14747 DisplayError(_("Already at end of game"), 0);
14756 if (!appData.icsActive) return;
14757 switch (gameMode) {
14758 case IcsPlayingWhite:
14759 case IcsPlayingBlack:
14762 case BeginningOfGame:
14770 EditPositionDone(TRUE);
14783 gameMode = IcsIdle;
14793 switch (gameMode) {
14795 SetTrainingModeOff();
14797 case MachinePlaysWhite:
14798 case MachinePlaysBlack:
14799 case BeginningOfGame:
14800 SendToProgram("force\n", &first);
14801 SetUserThinkingEnables();
14803 case PlayFromGameFile:
14804 (void) StopLoadGameTimer();
14805 if (gameFileFP != NULL) {
14810 EditPositionDone(TRUE);
14815 SendToProgram("force\n", &first);
14817 case TwoMachinesPlay:
14818 GameEnds(EndOfFile, NULL, GE_PLAYER);
14819 ResurrectChessProgram();
14820 SetUserThinkingEnables();
14823 ResurrectChessProgram();
14825 case IcsPlayingBlack:
14826 case IcsPlayingWhite:
14827 DisplayError(_("Warning: You are still playing a game"), 0);
14830 DisplayError(_("Warning: You are still observing a game"), 0);
14833 DisplayError(_("Warning: You are still examining a game"), 0);
14844 first.offeredDraw = second.offeredDraw = 0;
14846 if (gameMode == PlayFromGameFile) {
14847 whiteTimeRemaining = timeRemaining[0][currentMove];
14848 blackTimeRemaining = timeRemaining[1][currentMove];
14852 if (gameMode == MachinePlaysWhite ||
14853 gameMode == MachinePlaysBlack ||
14854 gameMode == TwoMachinesPlay ||
14855 gameMode == EndOfGame) {
14856 i = forwardMostMove;
14857 while (i > currentMove) {
14858 SendToProgram("undo\n", &first);
14861 if(!adjustedClock) {
14862 whiteTimeRemaining = timeRemaining[0][currentMove];
14863 blackTimeRemaining = timeRemaining[1][currentMove];
14864 DisplayBothClocks();
14866 if (whiteFlag || blackFlag) {
14867 whiteFlag = blackFlag = 0;
14872 gameMode = EditGame;
14879 EditPositionEvent ()
14881 if (gameMode == EditPosition) {
14887 if (gameMode != EditGame) return;
14889 gameMode = EditPosition;
14892 if (currentMove > 0)
14893 CopyBoard(boards[0], boards[currentMove]);
14895 blackPlaysFirst = !WhiteOnMove(currentMove);
14897 currentMove = forwardMostMove = backwardMostMove = 0;
14898 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14900 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14906 /* [DM] icsEngineAnalyze - possible call from other functions */
14907 if (appData.icsEngineAnalyze) {
14908 appData.icsEngineAnalyze = FALSE;
14910 DisplayMessage("",_("Close ICS engine analyze..."));
14912 if (first.analysisSupport && first.analyzing) {
14913 SendToBoth("exit\n");
14914 first.analyzing = second.analyzing = FALSE;
14916 thinkOutput[0] = NULLCHAR;
14920 EditPositionDone (Boolean fakeRights)
14922 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14924 startedFromSetupPosition = TRUE;
14925 InitChessProgram(&first, FALSE);
14926 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14927 boards[0][EP_STATUS] = EP_NONE;
14928 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14929 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14930 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14931 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14932 } else boards[0][CASTLING][2] = NoRights;
14933 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14934 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14935 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14936 } else boards[0][CASTLING][5] = NoRights;
14937 if(gameInfo.variant == VariantSChess) {
14939 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14940 boards[0][VIRGIN][i] = 0;
14941 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14942 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14946 SendToProgram("force\n", &first);
14947 if (blackPlaysFirst) {
14948 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14949 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14950 currentMove = forwardMostMove = backwardMostMove = 1;
14951 CopyBoard(boards[1], boards[0]);
14953 currentMove = forwardMostMove = backwardMostMove = 0;
14955 SendBoard(&first, forwardMostMove);
14956 if (appData.debugMode) {
14957 fprintf(debugFP, "EditPosDone\n");
14960 DisplayMessage("", "");
14961 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14962 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14963 gameMode = EditGame;
14965 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14966 ClearHighlights(); /* [AS] */
14969 /* Pause for `ms' milliseconds */
14970 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14972 TimeDelay (long ms)
14979 } while (SubtractTimeMarks(&m2, &m1) < ms);
14982 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14984 SendMultiLineToICS (char *buf)
14986 char temp[MSG_SIZ+1], *p;
14993 strncpy(temp, buf, len);
14998 if (*p == '\n' || *p == '\r')
15003 strcat(temp, "\n");
15005 SendToPlayer(temp, strlen(temp));
15009 SetWhiteToPlayEvent ()
15011 if (gameMode == EditPosition) {
15012 blackPlaysFirst = FALSE;
15013 DisplayBothClocks(); /* works because currentMove is 0 */
15014 } else if (gameMode == IcsExamining) {
15015 SendToICS(ics_prefix);
15016 SendToICS("tomove white\n");
15021 SetBlackToPlayEvent ()
15023 if (gameMode == EditPosition) {
15024 blackPlaysFirst = TRUE;
15025 currentMove = 1; /* kludge */
15026 DisplayBothClocks();
15028 } else if (gameMode == IcsExamining) {
15029 SendToICS(ics_prefix);
15030 SendToICS("tomove black\n");
15035 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15038 ChessSquare piece = boards[0][y][x];
15039 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15040 static int lastVariant;
15042 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15044 switch (selection) {
15046 CopyBoard(currentBoard, boards[0]);
15047 CopyBoard(menuBoard, initialPosition);
15048 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15049 SendToICS(ics_prefix);
15050 SendToICS("bsetup clear\n");
15051 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15052 SendToICS(ics_prefix);
15053 SendToICS("clearboard\n");
15056 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15057 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15058 for (y = 0; y < BOARD_HEIGHT; y++) {
15059 if (gameMode == IcsExamining) {
15060 if (boards[currentMove][y][x] != EmptySquare) {
15061 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15066 if(boards[0][y][x] != p) nonEmpty++;
15067 boards[0][y][x] = p;
15071 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15073 for(r = 0; r < BOARD_HEIGHT; r++) {
15074 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15075 ChessSquare p = menuBoard[r][x];
15076 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15079 DisplayMessage("Clicking clock again restores position", "");
15080 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15081 if(!nonEmpty) { // asked to clear an empty board
15082 CopyBoard(boards[0], menuBoard);
15084 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15085 CopyBoard(boards[0], initialPosition);
15087 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15088 && !CompareBoards(nullBoard, erasedBoard)) {
15089 CopyBoard(boards[0], erasedBoard);
15091 CopyBoard(erasedBoard, currentBoard);
15095 if (gameMode == EditPosition) {
15096 DrawPosition(FALSE, boards[0]);
15101 SetWhiteToPlayEvent();
15105 SetBlackToPlayEvent();
15109 if (gameMode == IcsExamining) {
15110 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15111 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15114 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15115 if(x == BOARD_LEFT-2) {
15116 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15117 boards[0][y][1] = 0;
15119 if(x == BOARD_RGHT+1) {
15120 if(y >= gameInfo.holdingsSize) break;
15121 boards[0][y][BOARD_WIDTH-2] = 0;
15124 boards[0][y][x] = EmptySquare;
15125 DrawPosition(FALSE, boards[0]);
15130 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15131 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15132 selection = (ChessSquare) (PROMOTED piece);
15133 } else if(piece == EmptySquare) selection = WhiteSilver;
15134 else selection = (ChessSquare)((int)piece - 1);
15138 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15139 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15140 selection = (ChessSquare) (DEMOTED piece);
15141 } else if(piece == EmptySquare) selection = BlackSilver;
15142 else selection = (ChessSquare)((int)piece + 1);
15147 if(gameInfo.variant == VariantShatranj ||
15148 gameInfo.variant == VariantXiangqi ||
15149 gameInfo.variant == VariantCourier ||
15150 gameInfo.variant == VariantASEAN ||
15151 gameInfo.variant == VariantMakruk )
15152 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15157 if(gameInfo.variant == VariantXiangqi)
15158 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15159 if(gameInfo.variant == VariantKnightmate)
15160 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15163 if (gameMode == IcsExamining) {
15164 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15165 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15166 PieceToChar(selection), AAA + x, ONE + y);
15169 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15171 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15172 n = PieceToNumber(selection - BlackPawn);
15173 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15174 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15175 boards[0][BOARD_HEIGHT-1-n][1]++;
15177 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15178 n = PieceToNumber(selection);
15179 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15180 boards[0][n][BOARD_WIDTH-1] = selection;
15181 boards[0][n][BOARD_WIDTH-2]++;
15184 boards[0][y][x] = selection;
15185 DrawPosition(TRUE, boards[0]);
15187 fromX = fromY = -1;
15195 DropMenuEvent (ChessSquare selection, int x, int y)
15197 ChessMove moveType;
15199 switch (gameMode) {
15200 case IcsPlayingWhite:
15201 case MachinePlaysBlack:
15202 if (!WhiteOnMove(currentMove)) {
15203 DisplayMoveError(_("It is Black's turn"));
15206 moveType = WhiteDrop;
15208 case IcsPlayingBlack:
15209 case MachinePlaysWhite:
15210 if (WhiteOnMove(currentMove)) {
15211 DisplayMoveError(_("It is White's turn"));
15214 moveType = BlackDrop;
15217 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15223 if (moveType == BlackDrop && selection < BlackPawn) {
15224 selection = (ChessSquare) ((int) selection
15225 + (int) BlackPawn - (int) WhitePawn);
15227 if (boards[currentMove][y][x] != EmptySquare) {
15228 DisplayMoveError(_("That square is occupied"));
15232 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15238 /* Accept a pending offer of any kind from opponent */
15240 if (appData.icsActive) {
15241 SendToICS(ics_prefix);
15242 SendToICS("accept\n");
15243 } else if (cmailMsgLoaded) {
15244 if (currentMove == cmailOldMove &&
15245 commentList[cmailOldMove] != NULL &&
15246 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15247 "Black offers a draw" : "White offers a draw")) {
15249 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15250 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15252 DisplayError(_("There is no pending offer on this move"), 0);
15253 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15256 /* Not used for offers from chess program */
15263 /* Decline a pending offer of any kind from opponent */
15265 if (appData.icsActive) {
15266 SendToICS(ics_prefix);
15267 SendToICS("decline\n");
15268 } else if (cmailMsgLoaded) {
15269 if (currentMove == cmailOldMove &&
15270 commentList[cmailOldMove] != NULL &&
15271 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15272 "Black offers a draw" : "White offers a draw")) {
15274 AppendComment(cmailOldMove, "Draw declined", TRUE);
15275 DisplayComment(cmailOldMove - 1, "Draw declined");
15278 DisplayError(_("There is no pending offer on this move"), 0);
15281 /* Not used for offers from chess program */
15288 /* Issue ICS rematch command */
15289 if (appData.icsActive) {
15290 SendToICS(ics_prefix);
15291 SendToICS("rematch\n");
15298 /* Call your opponent's flag (claim a win on time) */
15299 if (appData.icsActive) {
15300 SendToICS(ics_prefix);
15301 SendToICS("flag\n");
15303 switch (gameMode) {
15306 case MachinePlaysWhite:
15309 GameEnds(GameIsDrawn, "Both players ran out of time",
15312 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15314 DisplayError(_("Your opponent is not out of time"), 0);
15317 case MachinePlaysBlack:
15320 GameEnds(GameIsDrawn, "Both players ran out of time",
15323 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15325 DisplayError(_("Your opponent is not out of time"), 0);
15333 ClockClick (int which)
15334 { // [HGM] code moved to back-end from winboard.c
15335 if(which) { // black clock
15336 if (gameMode == EditPosition || gameMode == IcsExamining) {
15337 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15338 SetBlackToPlayEvent();
15339 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15340 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15341 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15342 } else if (shiftKey) {
15343 AdjustClock(which, -1);
15344 } else if (gameMode == IcsPlayingWhite ||
15345 gameMode == MachinePlaysBlack) {
15348 } else { // white clock
15349 if (gameMode == EditPosition || gameMode == IcsExamining) {
15350 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15351 SetWhiteToPlayEvent();
15352 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15353 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15354 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15355 } else if (shiftKey) {
15356 AdjustClock(which, -1);
15357 } else if (gameMode == IcsPlayingBlack ||
15358 gameMode == MachinePlaysWhite) {
15367 /* Offer draw or accept pending draw offer from opponent */
15369 if (appData.icsActive) {
15370 /* Note: tournament rules require draw offers to be
15371 made after you make your move but before you punch
15372 your clock. Currently ICS doesn't let you do that;
15373 instead, you immediately punch your clock after making
15374 a move, but you can offer a draw at any time. */
15376 SendToICS(ics_prefix);
15377 SendToICS("draw\n");
15378 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15379 } else if (cmailMsgLoaded) {
15380 if (currentMove == cmailOldMove &&
15381 commentList[cmailOldMove] != NULL &&
15382 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15383 "Black offers a draw" : "White offers a draw")) {
15384 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15385 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15386 } else if (currentMove == cmailOldMove + 1) {
15387 char *offer = WhiteOnMove(cmailOldMove) ?
15388 "White offers a draw" : "Black offers a draw";
15389 AppendComment(currentMove, offer, TRUE);
15390 DisplayComment(currentMove - 1, offer);
15391 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15393 DisplayError(_("You must make your move before offering a draw"), 0);
15394 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15396 } else if (first.offeredDraw) {
15397 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15399 if (first.sendDrawOffers) {
15400 SendToProgram("draw\n", &first);
15401 userOfferedDraw = TRUE;
15409 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15411 if (appData.icsActive) {
15412 SendToICS(ics_prefix);
15413 SendToICS("adjourn\n");
15415 /* Currently GNU Chess doesn't offer or accept Adjourns */
15423 /* Offer Abort or accept pending Abort offer from opponent */
15425 if (appData.icsActive) {
15426 SendToICS(ics_prefix);
15427 SendToICS("abort\n");
15429 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15436 /* Resign. You can do this even if it's not your turn. */
15438 if (appData.icsActive) {
15439 SendToICS(ics_prefix);
15440 SendToICS("resign\n");
15442 switch (gameMode) {
15443 case MachinePlaysWhite:
15444 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15446 case MachinePlaysBlack:
15447 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15450 if (cmailMsgLoaded) {
15452 if (WhiteOnMove(cmailOldMove)) {
15453 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15455 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15457 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15468 StopObservingEvent ()
15470 /* Stop observing current games */
15471 SendToICS(ics_prefix);
15472 SendToICS("unobserve\n");
15476 StopExaminingEvent ()
15478 /* Stop observing current game */
15479 SendToICS(ics_prefix);
15480 SendToICS("unexamine\n");
15484 ForwardInner (int target)
15486 int limit; int oldSeekGraphUp = seekGraphUp;
15488 if (appData.debugMode)
15489 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15490 target, currentMove, forwardMostMove);
15492 if (gameMode == EditPosition)
15495 seekGraphUp = FALSE;
15496 MarkTargetSquares(1);
15498 if (gameMode == PlayFromGameFile && !pausing)
15501 if (gameMode == IcsExamining && pausing)
15502 limit = pauseExamForwardMostMove;
15504 limit = forwardMostMove;
15506 if (target > limit) target = limit;
15508 if (target > 0 && moveList[target - 1][0]) {
15509 int fromX, fromY, toX, toY;
15510 toX = moveList[target - 1][2] - AAA;
15511 toY = moveList[target - 1][3] - ONE;
15512 if (moveList[target - 1][1] == '@') {
15513 if (appData.highlightLastMove) {
15514 SetHighlights(-1, -1, toX, toY);
15517 int viaX = moveList[target - 1][5] - AAA;
15518 int viaY = moveList[target - 1][6] - ONE;
15519 fromX = moveList[target - 1][0] - AAA;
15520 fromY = moveList[target - 1][1] - ONE;
15521 if (target == currentMove + 1) {
15522 if(moveList[target - 1][4] == ';') { // multi-leg
15523 ChessSquare piece = boards[currentMove][viaY][viaX];
15524 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15525 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15526 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15527 boards[currentMove][viaY][viaX] = piece;
15529 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15531 if (appData.highlightLastMove) {
15532 SetHighlights(fromX, fromY, toX, toY);
15536 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15537 gameMode == Training || gameMode == PlayFromGameFile ||
15538 gameMode == AnalyzeFile) {
15539 while (currentMove < target) {
15540 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15541 SendMoveToProgram(currentMove++, &first);
15544 currentMove = target;
15547 if (gameMode == EditGame || gameMode == EndOfGame) {
15548 whiteTimeRemaining = timeRemaining[0][currentMove];
15549 blackTimeRemaining = timeRemaining[1][currentMove];
15551 DisplayBothClocks();
15552 DisplayMove(currentMove - 1);
15553 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15554 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15555 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15556 DisplayComment(currentMove - 1, commentList[currentMove]);
15558 ClearMap(); // [HGM] exclude: invalidate map
15565 if (gameMode == IcsExamining && !pausing) {
15566 SendToICS(ics_prefix);
15567 SendToICS("forward\n");
15569 ForwardInner(currentMove + 1);
15576 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15577 /* to optimze, we temporarily turn off analysis mode while we feed
15578 * the remaining moves to the engine. Otherwise we get analysis output
15581 if (first.analysisSupport) {
15582 SendToProgram("exit\nforce\n", &first);
15583 first.analyzing = FALSE;
15587 if (gameMode == IcsExamining && !pausing) {
15588 SendToICS(ics_prefix);
15589 SendToICS("forward 999999\n");
15591 ForwardInner(forwardMostMove);
15594 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15595 /* we have fed all the moves, so reactivate analysis mode */
15596 SendToProgram("analyze\n", &first);
15597 first.analyzing = TRUE;
15598 /*first.maybeThinking = TRUE;*/
15599 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15604 BackwardInner (int target)
15606 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15608 if (appData.debugMode)
15609 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15610 target, currentMove, forwardMostMove);
15612 if (gameMode == EditPosition) return;
15613 seekGraphUp = FALSE;
15614 MarkTargetSquares(1);
15615 if (currentMove <= backwardMostMove) {
15617 DrawPosition(full_redraw, boards[currentMove]);
15620 if (gameMode == PlayFromGameFile && !pausing)
15623 if (moveList[target][0]) {
15624 int fromX, fromY, toX, toY;
15625 toX = moveList[target][2] - AAA;
15626 toY = moveList[target][3] - ONE;
15627 if (moveList[target][1] == '@') {
15628 if (appData.highlightLastMove) {
15629 SetHighlights(-1, -1, toX, toY);
15632 fromX = moveList[target][0] - AAA;
15633 fromY = moveList[target][1] - ONE;
15634 if (target == currentMove - 1) {
15635 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15637 if (appData.highlightLastMove) {
15638 SetHighlights(fromX, fromY, toX, toY);
15642 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15643 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15644 while (currentMove > target) {
15645 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15646 // null move cannot be undone. Reload program with move history before it.
15648 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15649 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15651 SendBoard(&first, i);
15652 if(second.analyzing) SendBoard(&second, i);
15653 for(currentMove=i; currentMove<target; currentMove++) {
15654 SendMoveToProgram(currentMove, &first);
15655 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15659 SendToBoth("undo\n");
15663 currentMove = target;
15666 if (gameMode == EditGame || gameMode == EndOfGame) {
15667 whiteTimeRemaining = timeRemaining[0][currentMove];
15668 blackTimeRemaining = timeRemaining[1][currentMove];
15670 DisplayBothClocks();
15671 DisplayMove(currentMove - 1);
15672 DrawPosition(full_redraw, boards[currentMove]);
15673 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15674 // [HGM] PV info: routine tests if comment empty
15675 DisplayComment(currentMove - 1, commentList[currentMove]);
15676 ClearMap(); // [HGM] exclude: invalidate map
15682 if (gameMode == IcsExamining && !pausing) {
15683 SendToICS(ics_prefix);
15684 SendToICS("backward\n");
15686 BackwardInner(currentMove - 1);
15693 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15694 /* to optimize, we temporarily turn off analysis mode while we undo
15695 * all the moves. Otherwise we get analysis output after each undo.
15697 if (first.analysisSupport) {
15698 SendToProgram("exit\nforce\n", &first);
15699 first.analyzing = FALSE;
15703 if (gameMode == IcsExamining && !pausing) {
15704 SendToICS(ics_prefix);
15705 SendToICS("backward 999999\n");
15707 BackwardInner(backwardMostMove);
15710 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15711 /* we have fed all the moves, so reactivate analysis mode */
15712 SendToProgram("analyze\n", &first);
15713 first.analyzing = TRUE;
15714 /*first.maybeThinking = TRUE;*/
15715 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15722 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15723 if (to >= forwardMostMove) to = forwardMostMove;
15724 if (to <= backwardMostMove) to = backwardMostMove;
15725 if (to < currentMove) {
15733 RevertEvent (Boolean annotate)
15735 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15738 if (gameMode != IcsExamining) {
15739 DisplayError(_("You are not examining a game"), 0);
15743 DisplayError(_("You can't revert while pausing"), 0);
15746 SendToICS(ics_prefix);
15747 SendToICS("revert\n");
15751 RetractMoveEvent ()
15753 switch (gameMode) {
15754 case MachinePlaysWhite:
15755 case MachinePlaysBlack:
15756 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15757 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15760 if (forwardMostMove < 2) return;
15761 currentMove = forwardMostMove = forwardMostMove - 2;
15762 whiteTimeRemaining = timeRemaining[0][currentMove];
15763 blackTimeRemaining = timeRemaining[1][currentMove];
15764 DisplayBothClocks();
15765 DisplayMove(currentMove - 1);
15766 ClearHighlights();/*!! could figure this out*/
15767 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15768 SendToProgram("remove\n", &first);
15769 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15772 case BeginningOfGame:
15776 case IcsPlayingWhite:
15777 case IcsPlayingBlack:
15778 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15779 SendToICS(ics_prefix);
15780 SendToICS("takeback 2\n");
15782 SendToICS(ics_prefix);
15783 SendToICS("takeback 1\n");
15792 ChessProgramState *cps;
15794 switch (gameMode) {
15795 case MachinePlaysWhite:
15796 if (!WhiteOnMove(forwardMostMove)) {
15797 DisplayError(_("It is your turn"), 0);
15802 case MachinePlaysBlack:
15803 if (WhiteOnMove(forwardMostMove)) {
15804 DisplayError(_("It is your turn"), 0);
15809 case TwoMachinesPlay:
15810 if (WhiteOnMove(forwardMostMove) ==
15811 (first.twoMachinesColor[0] == 'w')) {
15817 case BeginningOfGame:
15821 SendToProgram("?\n", cps);
15825 TruncateGameEvent ()
15828 if (gameMode != EditGame) return;
15835 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15836 if (forwardMostMove > currentMove) {
15837 if (gameInfo.resultDetails != NULL) {
15838 free(gameInfo.resultDetails);
15839 gameInfo.resultDetails = NULL;
15840 gameInfo.result = GameUnfinished;
15842 forwardMostMove = currentMove;
15843 HistorySet(parseList, backwardMostMove, forwardMostMove,
15851 if (appData.noChessProgram) return;
15852 switch (gameMode) {
15853 case MachinePlaysWhite:
15854 if (WhiteOnMove(forwardMostMove)) {
15855 DisplayError(_("Wait until your turn."), 0);
15859 case BeginningOfGame:
15860 case MachinePlaysBlack:
15861 if (!WhiteOnMove(forwardMostMove)) {
15862 DisplayError(_("Wait until your turn."), 0);
15867 DisplayError(_("No hint available"), 0);
15870 SendToProgram("hint\n", &first);
15871 hintRequested = TRUE;
15875 SaveSelected (FILE *g, int dummy, char *dummy2)
15877 ListGame * lg = (ListGame *) gameList.head;
15881 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15882 DisplayError(_("Game list not loaded or empty"), 0);
15886 creatingBook = TRUE; // suppresses stuff during load game
15888 /* Get list size */
15889 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15890 if(lg->position >= 0) { // selected?
15891 LoadGame(f, nItem, "", TRUE);
15892 SaveGamePGN2(g); // leaves g open
15895 lg = (ListGame *) lg->node.succ;
15899 creatingBook = FALSE;
15907 ListGame * lg = (ListGame *) gameList.head;
15910 static int secondTime = FALSE;
15912 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15913 DisplayError(_("Game list not loaded or empty"), 0);
15917 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15920 DisplayNote(_("Book file exists! Try again for overwrite."));
15924 creatingBook = TRUE;
15925 secondTime = FALSE;
15927 /* Get list size */
15928 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15929 if(lg->position >= 0) {
15930 LoadGame(f, nItem, "", TRUE);
15931 AddGameToBook(TRUE);
15934 lg = (ListGame *) lg->node.succ;
15937 creatingBook = FALSE;
15944 if (appData.noChessProgram) return;
15945 switch (gameMode) {
15946 case MachinePlaysWhite:
15947 if (WhiteOnMove(forwardMostMove)) {
15948 DisplayError(_("Wait until your turn."), 0);
15952 case BeginningOfGame:
15953 case MachinePlaysBlack:
15954 if (!WhiteOnMove(forwardMostMove)) {
15955 DisplayError(_("Wait until your turn."), 0);
15960 EditPositionDone(TRUE);
15962 case TwoMachinesPlay:
15967 SendToProgram("bk\n", &first);
15968 bookOutput[0] = NULLCHAR;
15969 bookRequested = TRUE;
15975 char *tags = PGNTags(&gameInfo);
15976 TagsPopUp(tags, CmailMsg());
15980 /* end button procedures */
15983 PrintPosition (FILE *fp, int move)
15987 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15988 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15989 char c = PieceToChar(boards[move][i][j]);
15990 fputc(c == 'x' ? '.' : c, fp);
15991 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15994 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15995 fprintf(fp, "white to play\n");
15997 fprintf(fp, "black to play\n");
16001 PrintOpponents (FILE *fp)
16003 if (gameInfo.white != NULL) {
16004 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16010 /* Find last component of program's own name, using some heuristics */
16012 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16015 int local = (strcmp(host, "localhost") == 0);
16016 while (!local && (p = strchr(prog, ';')) != NULL) {
16018 while (*p == ' ') p++;
16021 if (*prog == '"' || *prog == '\'') {
16022 q = strchr(prog + 1, *prog);
16024 q = strchr(prog, ' ');
16026 if (q == NULL) q = prog + strlen(prog);
16028 while (p >= prog && *p != '/' && *p != '\\') p--;
16030 if(p == prog && *p == '"') p++;
16032 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16033 memcpy(buf, p, q - p);
16034 buf[q - p] = NULLCHAR;
16042 TimeControlTagValue ()
16045 if (!appData.clockMode) {
16046 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16047 } else if (movesPerSession > 0) {
16048 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16049 } else if (timeIncrement == 0) {
16050 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16052 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16054 return StrSave(buf);
16060 /* This routine is used only for certain modes */
16061 VariantClass v = gameInfo.variant;
16062 ChessMove r = GameUnfinished;
16065 if(keepInfo) return;
16067 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16068 r = gameInfo.result;
16069 p = gameInfo.resultDetails;
16070 gameInfo.resultDetails = NULL;
16072 ClearGameInfo(&gameInfo);
16073 gameInfo.variant = v;
16075 switch (gameMode) {
16076 case MachinePlaysWhite:
16077 gameInfo.event = StrSave( appData.pgnEventHeader );
16078 gameInfo.site = StrSave(HostName());
16079 gameInfo.date = PGNDate();
16080 gameInfo.round = StrSave("-");
16081 gameInfo.white = StrSave(first.tidy);
16082 gameInfo.black = StrSave(UserName());
16083 gameInfo.timeControl = TimeControlTagValue();
16086 case MachinePlaysBlack:
16087 gameInfo.event = StrSave( appData.pgnEventHeader );
16088 gameInfo.site = StrSave(HostName());
16089 gameInfo.date = PGNDate();
16090 gameInfo.round = StrSave("-");
16091 gameInfo.white = StrSave(UserName());
16092 gameInfo.black = StrSave(first.tidy);
16093 gameInfo.timeControl = TimeControlTagValue();
16096 case TwoMachinesPlay:
16097 gameInfo.event = StrSave( appData.pgnEventHeader );
16098 gameInfo.site = StrSave(HostName());
16099 gameInfo.date = PGNDate();
16102 snprintf(buf, MSG_SIZ, "%d", roundNr);
16103 gameInfo.round = StrSave(buf);
16105 gameInfo.round = StrSave("-");
16107 if (first.twoMachinesColor[0] == 'w') {
16108 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16109 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16111 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16112 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16114 gameInfo.timeControl = TimeControlTagValue();
16118 gameInfo.event = StrSave("Edited game");
16119 gameInfo.site = StrSave(HostName());
16120 gameInfo.date = PGNDate();
16121 gameInfo.round = StrSave("-");
16122 gameInfo.white = StrSave("-");
16123 gameInfo.black = StrSave("-");
16124 gameInfo.result = r;
16125 gameInfo.resultDetails = p;
16129 gameInfo.event = StrSave("Edited position");
16130 gameInfo.site = StrSave(HostName());
16131 gameInfo.date = PGNDate();
16132 gameInfo.round = StrSave("-");
16133 gameInfo.white = StrSave("-");
16134 gameInfo.black = StrSave("-");
16137 case IcsPlayingWhite:
16138 case IcsPlayingBlack:
16143 case PlayFromGameFile:
16144 gameInfo.event = StrSave("Game from non-PGN file");
16145 gameInfo.site = StrSave(HostName());
16146 gameInfo.date = PGNDate();
16147 gameInfo.round = StrSave("-");
16148 gameInfo.white = StrSave("?");
16149 gameInfo.black = StrSave("?");
16158 ReplaceComment (int index, char *text)
16164 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16165 pvInfoList[index-1].depth == len &&
16166 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16167 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16168 while (*text == '\n') text++;
16169 len = strlen(text);
16170 while (len > 0 && text[len - 1] == '\n') len--;
16172 if (commentList[index] != NULL)
16173 free(commentList[index]);
16176 commentList[index] = NULL;
16179 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16180 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16181 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16182 commentList[index] = (char *) malloc(len + 2);
16183 strncpy(commentList[index], text, len);
16184 commentList[index][len] = '\n';
16185 commentList[index][len + 1] = NULLCHAR;
16187 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16189 commentList[index] = (char *) malloc(len + 7);
16190 safeStrCpy(commentList[index], "{\n", 3);
16191 safeStrCpy(commentList[index]+2, text, len+1);
16192 commentList[index][len+2] = NULLCHAR;
16193 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16194 strcat(commentList[index], "\n}\n");
16199 CrushCRs (char *text)
16207 if (ch == '\r') continue;
16209 } while (ch != '\0');
16213 AppendComment (int index, char *text, Boolean addBraces)
16214 /* addBraces tells if we should add {} */
16219 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16220 if(addBraces == 3) addBraces = 0; else // force appending literally
16221 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16224 while (*text == '\n') text++;
16225 len = strlen(text);
16226 while (len > 0 && text[len - 1] == '\n') len--;
16227 text[len] = NULLCHAR;
16229 if (len == 0) return;
16231 if (commentList[index] != NULL) {
16232 Boolean addClosingBrace = addBraces;
16233 old = commentList[index];
16234 oldlen = strlen(old);
16235 while(commentList[index][oldlen-1] == '\n')
16236 commentList[index][--oldlen] = NULLCHAR;
16237 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16238 safeStrCpy(commentList[index], old, oldlen + len + 6);
16240 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16241 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16242 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16243 while (*text == '\n') { text++; len--; }
16244 commentList[index][--oldlen] = NULLCHAR;
16246 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16247 else strcat(commentList[index], "\n");
16248 strcat(commentList[index], text);
16249 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16250 else strcat(commentList[index], "\n");
16252 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16254 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16255 else commentList[index][0] = NULLCHAR;
16256 strcat(commentList[index], text);
16257 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16258 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16263 FindStr (char * text, char * sub_text)
16265 char * result = strstr( text, sub_text );
16267 if( result != NULL ) {
16268 result += strlen( sub_text );
16274 /* [AS] Try to extract PV info from PGN comment */
16275 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16277 GetInfoFromComment (int index, char * text)
16279 char * sep = text, *p;
16281 if( text != NULL && index > 0 ) {
16284 int time = -1, sec = 0, deci;
16285 char * s_eval = FindStr( text, "[%eval " );
16286 char * s_emt = FindStr( text, "[%emt " );
16288 if( s_eval != NULL || s_emt != NULL ) {
16290 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16295 if( s_eval != NULL ) {
16296 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16300 if( delim != ']' ) {
16305 if( s_emt != NULL ) {
16310 /* We expect something like: [+|-]nnn.nn/dd */
16313 if(*text != '{') return text; // [HGM] braces: must be normal comment
16315 sep = strchr( text, '/' );
16316 if( sep == NULL || sep < (text+4) ) {
16321 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16322 if(p[1] == '(') { // comment starts with PV
16323 p = strchr(p, ')'); // locate end of PV
16324 if(p == NULL || sep < p+5) return text;
16325 // at this point we have something like "{(.*) +0.23/6 ..."
16326 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16327 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16328 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16330 time = -1; sec = -1; deci = -1;
16331 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16332 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16333 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16334 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16338 if( score_lo < 0 || score_lo >= 100 ) {
16342 if(sec >= 0) time = 600*time + 10*sec; else
16343 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16345 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16347 /* [HGM] PV time: now locate end of PV info */
16348 while( *++sep >= '0' && *sep <= '9'); // strip depth
16350 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16352 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16354 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16355 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16366 pvInfoList[index-1].depth = depth;
16367 pvInfoList[index-1].score = score;
16368 pvInfoList[index-1].time = 10*time; // centi-sec
16369 if(*sep == '}') *sep = 0; else *--sep = '{';
16370 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16376 SendToProgram (char *message, ChessProgramState *cps)
16378 int count, outCount, error;
16381 if (cps->pr == NoProc) return;
16384 if (appData.debugMode) {
16387 fprintf(debugFP, "%ld >%-6s: %s",
16388 SubtractTimeMarks(&now, &programStartTime),
16389 cps->which, message);
16391 fprintf(serverFP, "%ld >%-6s: %s",
16392 SubtractTimeMarks(&now, &programStartTime),
16393 cps->which, message), fflush(serverFP);
16396 count = strlen(message);
16397 outCount = OutputToProcess(cps->pr, message, count, &error);
16398 if (outCount < count && !exiting
16399 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16400 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16401 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16402 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16403 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16404 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16405 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16406 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16408 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16409 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16410 gameInfo.result = res;
16412 gameInfo.resultDetails = StrSave(buf);
16414 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16415 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16420 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16424 ChessProgramState *cps = (ChessProgramState *)closure;
16426 if (isr != cps->isr) return; /* Killed intentionally */
16429 RemoveInputSource(cps->isr);
16430 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16431 _(cps->which), cps->program);
16432 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16433 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16434 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16435 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16436 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16437 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16439 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16440 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16441 gameInfo.result = res;
16443 gameInfo.resultDetails = StrSave(buf);
16445 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16446 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16448 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16449 _(cps->which), cps->program);
16450 RemoveInputSource(cps->isr);
16452 /* [AS] Program is misbehaving badly... kill it */
16453 if( count == -2 ) {
16454 DestroyChildProcess( cps->pr, 9 );
16458 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16463 if ((end_str = strchr(message, '\r')) != NULL)
16464 *end_str = NULLCHAR;
16465 if ((end_str = strchr(message, '\n')) != NULL)
16466 *end_str = NULLCHAR;
16468 if (appData.debugMode) {
16469 TimeMark now; int print = 1;
16470 char *quote = ""; char c; int i;
16472 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16473 char start = message[0];
16474 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16475 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16476 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16477 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16478 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16479 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16480 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16481 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16482 sscanf(message, "hint: %c", &c)!=1 &&
16483 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16484 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16485 print = (appData.engineComments >= 2);
16487 message[0] = start; // restore original message
16491 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16492 SubtractTimeMarks(&now, &programStartTime), cps->which,
16496 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16497 SubtractTimeMarks(&now, &programStartTime), cps->which,
16499 message), fflush(serverFP);
16503 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16504 if (appData.icsEngineAnalyze) {
16505 if (strstr(message, "whisper") != NULL ||
16506 strstr(message, "kibitz") != NULL ||
16507 strstr(message, "tellics") != NULL) return;
16510 HandleMachineMove(message, cps);
16515 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16520 if( timeControl_2 > 0 ) {
16521 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16522 tc = timeControl_2;
16525 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16526 inc /= cps->timeOdds;
16527 st /= cps->timeOdds;
16529 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16532 /* Set exact time per move, normally using st command */
16533 if (cps->stKludge) {
16534 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16536 if (seconds == 0) {
16537 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16539 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16542 snprintf(buf, MSG_SIZ, "st %d\n", st);
16545 /* Set conventional or incremental time control, using level command */
16546 if (seconds == 0) {
16547 /* Note old gnuchess bug -- minutes:seconds used to not work.
16548 Fixed in later versions, but still avoid :seconds
16549 when seconds is 0. */
16550 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16552 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16553 seconds, inc/1000.);
16556 SendToProgram(buf, cps);
16558 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16559 /* Orthogonally, limit search to given depth */
16561 if (cps->sdKludge) {
16562 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16564 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16566 SendToProgram(buf, cps);
16569 if(cps->nps >= 0) { /* [HGM] nps */
16570 if(cps->supportsNPS == FALSE)
16571 cps->nps = -1; // don't use if engine explicitly says not supported!
16573 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16574 SendToProgram(buf, cps);
16579 ChessProgramState *
16581 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16583 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16584 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16590 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16592 char message[MSG_SIZ];
16595 /* Note: this routine must be called when the clocks are stopped
16596 or when they have *just* been set or switched; otherwise
16597 it will be off by the time since the current tick started.
16599 if (machineWhite) {
16600 time = whiteTimeRemaining / 10;
16601 otime = blackTimeRemaining / 10;
16603 time = blackTimeRemaining / 10;
16604 otime = whiteTimeRemaining / 10;
16606 /* [HGM] translate opponent's time by time-odds factor */
16607 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16609 if (time <= 0) time = 1;
16610 if (otime <= 0) otime = 1;
16612 snprintf(message, MSG_SIZ, "time %ld\n", time);
16613 SendToProgram(message, cps);
16615 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16616 SendToProgram(message, cps);
16620 EngineDefinedVariant (ChessProgramState *cps, int n)
16621 { // return name of n-th unknown variant that engine supports
16622 static char buf[MSG_SIZ];
16623 char *p, *s = cps->variants;
16624 if(!s) return NULL;
16625 do { // parse string from variants feature
16627 p = strchr(s, ',');
16628 if(p) *p = NULLCHAR;
16629 v = StringToVariant(s);
16630 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16631 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16632 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16633 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16634 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16635 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16636 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16639 if(n < 0) return buf;
16645 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16648 int len = strlen(name);
16651 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16653 sscanf(*p, "%d", &val);
16655 while (**p && **p != ' ')
16657 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16658 SendToProgram(buf, cps);
16665 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16668 int len = strlen(name);
16669 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16671 sscanf(*p, "%d", loc);
16672 while (**p && **p != ' ') (*p)++;
16673 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16674 SendToProgram(buf, cps);
16681 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16684 int len = strlen(name);
16685 if (strncmp((*p), name, len) == 0
16686 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16688 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16689 sscanf(*p, "%[^\"]", *loc);
16690 while (**p && **p != '\"') (*p)++;
16691 if (**p == '\"') (*p)++;
16692 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16693 SendToProgram(buf, cps);
16700 ParseOption (Option *opt, ChessProgramState *cps)
16701 // [HGM] options: process the string that defines an engine option, and determine
16702 // name, type, default value, and allowed value range
16704 char *p, *q, buf[MSG_SIZ];
16705 int n, min = (-1)<<31, max = 1<<31, def;
16707 if(p = strstr(opt->name, " -spin ")) {
16708 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16709 if(max < min) max = min; // enforce consistency
16710 if(def < min) def = min;
16711 if(def > max) def = max;
16716 } else if((p = strstr(opt->name, " -slider "))) {
16717 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16718 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16719 if(max < min) max = min; // enforce consistency
16720 if(def < min) def = min;
16721 if(def > max) def = max;
16725 opt->type = Spin; // Slider;
16726 } else if((p = strstr(opt->name, " -string "))) {
16727 opt->textValue = p+9;
16728 opt->type = TextBox;
16729 } else if((p = strstr(opt->name, " -file "))) {
16730 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16731 opt->textValue = p+7;
16732 opt->type = FileName; // FileName;
16733 } else if((p = strstr(opt->name, " -path "))) {
16734 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16735 opt->textValue = p+7;
16736 opt->type = PathName; // PathName;
16737 } else if(p = strstr(opt->name, " -check ")) {
16738 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16739 opt->value = (def != 0);
16740 opt->type = CheckBox;
16741 } else if(p = strstr(opt->name, " -combo ")) {
16742 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16743 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16744 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16745 opt->value = n = 0;
16746 while(q = StrStr(q, " /// ")) {
16747 n++; *q = 0; // count choices, and null-terminate each of them
16749 if(*q == '*') { // remember default, which is marked with * prefix
16753 cps->comboList[cps->comboCnt++] = q;
16755 cps->comboList[cps->comboCnt++] = NULL;
16757 opt->type = ComboBox;
16758 } else if(p = strstr(opt->name, " -button")) {
16759 opt->type = Button;
16760 } else if(p = strstr(opt->name, " -save")) {
16761 opt->type = SaveButton;
16762 } else return FALSE;
16763 *p = 0; // terminate option name
16764 // now look if the command-line options define a setting for this engine option.
16765 if(cps->optionSettings && cps->optionSettings[0])
16766 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16767 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16768 snprintf(buf, MSG_SIZ, "option %s", p);
16769 if(p = strstr(buf, ",")) *p = 0;
16770 if(q = strchr(buf, '=')) switch(opt->type) {
16772 for(n=0; n<opt->max; n++)
16773 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16776 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16780 opt->value = atoi(q+1);
16785 SendToProgram(buf, cps);
16791 FeatureDone (ChessProgramState *cps, int val)
16793 DelayedEventCallback cb = GetDelayedEvent();
16794 if ((cb == InitBackEnd3 && cps == &first) ||
16795 (cb == SettingsMenuIfReady && cps == &second) ||
16796 (cb == LoadEngine) ||
16797 (cb == TwoMachinesEventIfReady)) {
16798 CancelDelayedEvent();
16799 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16801 cps->initDone = val;
16802 if(val) cps->reload = FALSE;
16805 /* Parse feature command from engine */
16807 ParseFeatures (char *args, ChessProgramState *cps)
16815 while (*p == ' ') p++;
16816 if (*p == NULLCHAR) return;
16818 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16819 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16820 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16821 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16822 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16823 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16824 if (BoolFeature(&p, "reuse", &val, cps)) {
16825 /* Engine can disable reuse, but can't enable it if user said no */
16826 if (!val) cps->reuse = FALSE;
16829 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16830 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16831 if (gameMode == TwoMachinesPlay) {
16832 DisplayTwoMachinesTitle();
16838 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16839 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16840 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16841 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16842 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16843 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16844 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16845 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16846 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16847 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16848 if (IntFeature(&p, "done", &val, cps)) {
16849 FeatureDone(cps, val);
16852 /* Added by Tord: */
16853 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16854 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16855 /* End of additions by Tord */
16857 /* [HGM] added features: */
16858 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16859 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16860 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16861 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16862 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16863 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16864 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16865 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16866 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16867 FREE(cps->option[cps->nrOptions].name);
16868 cps->option[cps->nrOptions].name = q; q = NULL;
16869 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16870 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16871 SendToProgram(buf, cps);
16874 if(cps->nrOptions >= MAX_OPTIONS) {
16876 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16877 DisplayError(buf, 0);
16881 /* End of additions by HGM */
16883 /* unknown feature: complain and skip */
16885 while (*q && *q != '=') q++;
16886 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16887 SendToProgram(buf, cps);
16893 while (*p && *p != '\"') p++;
16894 if (*p == '\"') p++;
16896 while (*p && *p != ' ') p++;
16904 PeriodicUpdatesEvent (int newState)
16906 if (newState == appData.periodicUpdates)
16909 appData.periodicUpdates=newState;
16911 /* Display type changes, so update it now */
16912 // DisplayAnalysis();
16914 /* Get the ball rolling again... */
16916 AnalysisPeriodicEvent(1);
16917 StartAnalysisClock();
16922 PonderNextMoveEvent (int newState)
16924 if (newState == appData.ponderNextMove) return;
16925 if (gameMode == EditPosition) EditPositionDone(TRUE);
16927 SendToProgram("hard\n", &first);
16928 if (gameMode == TwoMachinesPlay) {
16929 SendToProgram("hard\n", &second);
16932 SendToProgram("easy\n", &first);
16933 thinkOutput[0] = NULLCHAR;
16934 if (gameMode == TwoMachinesPlay) {
16935 SendToProgram("easy\n", &second);
16938 appData.ponderNextMove = newState;
16942 NewSettingEvent (int option, int *feature, char *command, int value)
16946 if (gameMode == EditPosition) EditPositionDone(TRUE);
16947 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16948 if(feature == NULL || *feature) SendToProgram(buf, &first);
16949 if (gameMode == TwoMachinesPlay) {
16950 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16955 ShowThinkingEvent ()
16956 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16958 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16959 int newState = appData.showThinking
16960 // [HGM] thinking: other features now need thinking output as well
16961 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16963 if (oldState == newState) return;
16964 oldState = newState;
16965 if (gameMode == EditPosition) EditPositionDone(TRUE);
16967 SendToProgram("post\n", &first);
16968 if (gameMode == TwoMachinesPlay) {
16969 SendToProgram("post\n", &second);
16972 SendToProgram("nopost\n", &first);
16973 thinkOutput[0] = NULLCHAR;
16974 if (gameMode == TwoMachinesPlay) {
16975 SendToProgram("nopost\n", &second);
16978 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16982 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16984 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16985 if (pr == NoProc) return;
16986 AskQuestion(title, question, replyPrefix, pr);
16990 TypeInEvent (char firstChar)
16992 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16993 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16994 gameMode == AnalyzeMode || gameMode == EditGame ||
16995 gameMode == EditPosition || gameMode == IcsExamining ||
16996 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16997 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16998 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16999 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17000 gameMode == Training) PopUpMoveDialog(firstChar);
17004 TypeInDoneEvent (char *move)
17007 int n, fromX, fromY, toX, toY;
17009 ChessMove moveType;
17012 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17013 EditPositionPasteFEN(move);
17016 // [HGM] movenum: allow move number to be typed in any mode
17017 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17021 // undocumented kludge: allow command-line option to be typed in!
17022 // (potentially fatal, and does not implement the effect of the option.)
17023 // should only be used for options that are values on which future decisions will be made,
17024 // and definitely not on options that would be used during initialization.
17025 if(strstr(move, "!!! -") == move) {
17026 ParseArgsFromString(move+4);
17030 if (gameMode != EditGame && currentMove != forwardMostMove &&
17031 gameMode != Training) {
17032 DisplayMoveError(_("Displayed move is not current"));
17034 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17035 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17036 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17037 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17038 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17039 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17041 DisplayMoveError(_("Could not parse move"));
17047 DisplayMove (int moveNumber)
17049 char message[MSG_SIZ];
17051 char cpThinkOutput[MSG_SIZ];
17053 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17055 if (moveNumber == forwardMostMove - 1 ||
17056 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17058 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17060 if (strchr(cpThinkOutput, '\n')) {
17061 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17064 *cpThinkOutput = NULLCHAR;
17067 /* [AS] Hide thinking from human user */
17068 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17069 *cpThinkOutput = NULLCHAR;
17070 if( thinkOutput[0] != NULLCHAR ) {
17073 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17074 cpThinkOutput[i] = '.';
17076 cpThinkOutput[i] = NULLCHAR;
17077 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17081 if (moveNumber == forwardMostMove - 1 &&
17082 gameInfo.resultDetails != NULL) {
17083 if (gameInfo.resultDetails[0] == NULLCHAR) {
17084 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17086 snprintf(res, MSG_SIZ, " {%s} %s",
17087 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17093 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17094 DisplayMessage(res, cpThinkOutput);
17096 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17097 WhiteOnMove(moveNumber) ? " " : ".. ",
17098 parseList[moveNumber], res);
17099 DisplayMessage(message, cpThinkOutput);
17104 DisplayComment (int moveNumber, char *text)
17106 char title[MSG_SIZ];
17108 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17109 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17111 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17112 WhiteOnMove(moveNumber) ? " " : ".. ",
17113 parseList[moveNumber]);
17115 if (text != NULL && (appData.autoDisplayComment || commentUp))
17116 CommentPopUp(title, text);
17119 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17120 * might be busy thinking or pondering. It can be omitted if your
17121 * gnuchess is configured to stop thinking immediately on any user
17122 * input. However, that gnuchess feature depends on the FIONREAD
17123 * ioctl, which does not work properly on some flavors of Unix.
17126 Attention (ChessProgramState *cps)
17129 if (!cps->useSigint) return;
17130 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17131 switch (gameMode) {
17132 case MachinePlaysWhite:
17133 case MachinePlaysBlack:
17134 case TwoMachinesPlay:
17135 case IcsPlayingWhite:
17136 case IcsPlayingBlack:
17139 /* Skip if we know it isn't thinking */
17140 if (!cps->maybeThinking) return;
17141 if (appData.debugMode)
17142 fprintf(debugFP, "Interrupting %s\n", cps->which);
17143 InterruptChildProcess(cps->pr);
17144 cps->maybeThinking = FALSE;
17149 #endif /*ATTENTION*/
17155 if (whiteTimeRemaining <= 0) {
17158 if (appData.icsActive) {
17159 if (appData.autoCallFlag &&
17160 gameMode == IcsPlayingBlack && !blackFlag) {
17161 SendToICS(ics_prefix);
17162 SendToICS("flag\n");
17166 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17168 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17169 if (appData.autoCallFlag) {
17170 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17177 if (blackTimeRemaining <= 0) {
17180 if (appData.icsActive) {
17181 if (appData.autoCallFlag &&
17182 gameMode == IcsPlayingWhite && !whiteFlag) {
17183 SendToICS(ics_prefix);
17184 SendToICS("flag\n");
17188 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17190 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17191 if (appData.autoCallFlag) {
17192 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17203 CheckTimeControl ()
17205 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17206 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17209 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17211 if ( !WhiteOnMove(forwardMostMove) ) {
17212 /* White made time control */
17213 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17214 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17215 /* [HGM] time odds: correct new time quota for time odds! */
17216 / WhitePlayer()->timeOdds;
17217 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17219 lastBlack -= blackTimeRemaining;
17220 /* Black made time control */
17221 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17222 / WhitePlayer()->other->timeOdds;
17223 lastWhite = whiteTimeRemaining;
17228 DisplayBothClocks ()
17230 int wom = gameMode == EditPosition ?
17231 !blackPlaysFirst : WhiteOnMove(currentMove);
17232 DisplayWhiteClock(whiteTimeRemaining, wom);
17233 DisplayBlackClock(blackTimeRemaining, !wom);
17237 /* Timekeeping seems to be a portability nightmare. I think everyone
17238 has ftime(), but I'm really not sure, so I'm including some ifdefs
17239 to use other calls if you don't. Clocks will be less accurate if
17240 you have neither ftime nor gettimeofday.
17243 /* VS 2008 requires the #include outside of the function */
17244 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17245 #include <sys/timeb.h>
17248 /* Get the current time as a TimeMark */
17250 GetTimeMark (TimeMark *tm)
17252 #if HAVE_GETTIMEOFDAY
17254 struct timeval timeVal;
17255 struct timezone timeZone;
17257 gettimeofday(&timeVal, &timeZone);
17258 tm->sec = (long) timeVal.tv_sec;
17259 tm->ms = (int) (timeVal.tv_usec / 1000L);
17261 #else /*!HAVE_GETTIMEOFDAY*/
17264 // include <sys/timeb.h> / moved to just above start of function
17265 struct timeb timeB;
17268 tm->sec = (long) timeB.time;
17269 tm->ms = (int) timeB.millitm;
17271 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17272 tm->sec = (long) time(NULL);
17278 /* Return the difference in milliseconds between two
17279 time marks. We assume the difference will fit in a long!
17282 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17284 return 1000L*(tm2->sec - tm1->sec) +
17285 (long) (tm2->ms - tm1->ms);
17290 * Code to manage the game clocks.
17292 * In tournament play, black starts the clock and then white makes a move.
17293 * We give the human user a slight advantage if he is playing white---the
17294 * clocks don't run until he makes his first move, so it takes zero time.
17295 * Also, we don't account for network lag, so we could get out of sync
17296 * with GNU Chess's clock -- but then, referees are always right.
17299 static TimeMark tickStartTM;
17300 static long intendedTickLength;
17303 NextTickLength (long timeRemaining)
17305 long nominalTickLength, nextTickLength;
17307 if (timeRemaining > 0L && timeRemaining <= 10000L)
17308 nominalTickLength = 100L;
17310 nominalTickLength = 1000L;
17311 nextTickLength = timeRemaining % nominalTickLength;
17312 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17314 return nextTickLength;
17317 /* Adjust clock one minute up or down */
17319 AdjustClock (Boolean which, int dir)
17321 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17322 if(which) blackTimeRemaining += 60000*dir;
17323 else whiteTimeRemaining += 60000*dir;
17324 DisplayBothClocks();
17325 adjustedClock = TRUE;
17328 /* Stop clocks and reset to a fresh time control */
17332 (void) StopClockTimer();
17333 if (appData.icsActive) {
17334 whiteTimeRemaining = blackTimeRemaining = 0;
17335 } else if (searchTime) {
17336 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17337 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17338 } else { /* [HGM] correct new time quote for time odds */
17339 whiteTC = blackTC = fullTimeControlString;
17340 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17341 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17343 if (whiteFlag || blackFlag) {
17345 whiteFlag = blackFlag = FALSE;
17347 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17348 DisplayBothClocks();
17349 adjustedClock = FALSE;
17352 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17354 /* Decrement running clock by amount of time that has passed */
17358 long timeRemaining;
17359 long lastTickLength, fudge;
17362 if (!appData.clockMode) return;
17363 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17367 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17369 /* Fudge if we woke up a little too soon */
17370 fudge = intendedTickLength - lastTickLength;
17371 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17373 if (WhiteOnMove(forwardMostMove)) {
17374 if(whiteNPS >= 0) lastTickLength = 0;
17375 timeRemaining = whiteTimeRemaining -= lastTickLength;
17376 if(timeRemaining < 0 && !appData.icsActive) {
17377 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17378 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17379 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17380 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17383 DisplayWhiteClock(whiteTimeRemaining - fudge,
17384 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17386 if(blackNPS >= 0) lastTickLength = 0;
17387 timeRemaining = blackTimeRemaining -= lastTickLength;
17388 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17389 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17391 blackStartMove = forwardMostMove;
17392 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17395 DisplayBlackClock(blackTimeRemaining - fudge,
17396 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17398 if (CheckFlags()) return;
17400 if(twoBoards) { // count down secondary board's clocks as well
17401 activePartnerTime -= lastTickLength;
17403 if(activePartner == 'W')
17404 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17406 DisplayBlackClock(activePartnerTime, TRUE);
17411 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17412 StartClockTimer(intendedTickLength);
17414 /* if the time remaining has fallen below the alarm threshold, sound the
17415 * alarm. if the alarm has sounded and (due to a takeback or time control
17416 * with increment) the time remaining has increased to a level above the
17417 * threshold, reset the alarm so it can sound again.
17420 if (appData.icsActive && appData.icsAlarm) {
17422 /* make sure we are dealing with the user's clock */
17423 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17424 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17427 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17428 alarmSounded = FALSE;
17429 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17431 alarmSounded = TRUE;
17437 /* A player has just moved, so stop the previously running
17438 clock and (if in clock mode) start the other one.
17439 We redisplay both clocks in case we're in ICS mode, because
17440 ICS gives us an update to both clocks after every move.
17441 Note that this routine is called *after* forwardMostMove
17442 is updated, so the last fractional tick must be subtracted
17443 from the color that is *not* on move now.
17446 SwitchClocks (int newMoveNr)
17448 long lastTickLength;
17450 int flagged = FALSE;
17454 if (StopClockTimer() && appData.clockMode) {
17455 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17456 if (!WhiteOnMove(forwardMostMove)) {
17457 if(blackNPS >= 0) lastTickLength = 0;
17458 blackTimeRemaining -= lastTickLength;
17459 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17460 // if(pvInfoList[forwardMostMove].time == -1)
17461 pvInfoList[forwardMostMove].time = // use GUI time
17462 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17464 if(whiteNPS >= 0) lastTickLength = 0;
17465 whiteTimeRemaining -= lastTickLength;
17466 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17467 // if(pvInfoList[forwardMostMove].time == -1)
17468 pvInfoList[forwardMostMove].time =
17469 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17471 flagged = CheckFlags();
17473 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17474 CheckTimeControl();
17476 if (flagged || !appData.clockMode) return;
17478 switch (gameMode) {
17479 case MachinePlaysBlack:
17480 case MachinePlaysWhite:
17481 case BeginningOfGame:
17482 if (pausing) return;
17486 case PlayFromGameFile:
17494 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17495 if(WhiteOnMove(forwardMostMove))
17496 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17497 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17501 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17502 whiteTimeRemaining : blackTimeRemaining);
17503 StartClockTimer(intendedTickLength);
17507 /* Stop both clocks */
17511 long lastTickLength;
17514 if (!StopClockTimer()) return;
17515 if (!appData.clockMode) return;
17519 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17520 if (WhiteOnMove(forwardMostMove)) {
17521 if(whiteNPS >= 0) lastTickLength = 0;
17522 whiteTimeRemaining -= lastTickLength;
17523 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17525 if(blackNPS >= 0) lastTickLength = 0;
17526 blackTimeRemaining -= lastTickLength;
17527 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17532 /* Start clock of player on move. Time may have been reset, so
17533 if clock is already running, stop and restart it. */
17537 (void) StopClockTimer(); /* in case it was running already */
17538 DisplayBothClocks();
17539 if (CheckFlags()) return;
17541 if (!appData.clockMode) return;
17542 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17544 GetTimeMark(&tickStartTM);
17545 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17546 whiteTimeRemaining : blackTimeRemaining);
17548 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17549 whiteNPS = blackNPS = -1;
17550 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17551 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17552 whiteNPS = first.nps;
17553 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17554 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17555 blackNPS = first.nps;
17556 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17557 whiteNPS = second.nps;
17558 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17559 blackNPS = second.nps;
17560 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17562 StartClockTimer(intendedTickLength);
17566 TimeString (long ms)
17568 long second, minute, hour, day;
17570 static char buf[32];
17572 if (ms > 0 && ms <= 9900) {
17573 /* convert milliseconds to tenths, rounding up */
17574 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17576 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17580 /* convert milliseconds to seconds, rounding up */
17581 /* use floating point to avoid strangeness of integer division
17582 with negative dividends on many machines */
17583 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17590 day = second / (60 * 60 * 24);
17591 second = second % (60 * 60 * 24);
17592 hour = second / (60 * 60);
17593 second = second % (60 * 60);
17594 minute = second / 60;
17595 second = second % 60;
17598 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17599 sign, day, hour, minute, second);
17601 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17603 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17610 * This is necessary because some C libraries aren't ANSI C compliant yet.
17613 StrStr (char *string, char *match)
17617 length = strlen(match);
17619 for (i = strlen(string) - length; i >= 0; i--, string++)
17620 if (!strncmp(match, string, length))
17627 StrCaseStr (char *string, char *match)
17631 length = strlen(match);
17633 for (i = strlen(string) - length; i >= 0; i--, string++) {
17634 for (j = 0; j < length; j++) {
17635 if (ToLower(match[j]) != ToLower(string[j]))
17638 if (j == length) return string;
17646 StrCaseCmp (char *s1, char *s2)
17651 c1 = ToLower(*s1++);
17652 c2 = ToLower(*s2++);
17653 if (c1 > c2) return 1;
17654 if (c1 < c2) return -1;
17655 if (c1 == NULLCHAR) return 0;
17663 return isupper(c) ? tolower(c) : c;
17670 return islower(c) ? toupper(c) : c;
17672 #endif /* !_amigados */
17679 if ((ret = (char *) malloc(strlen(s) + 1)))
17681 safeStrCpy(ret, s, strlen(s)+1);
17687 StrSavePtr (char *s, char **savePtr)
17692 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17693 safeStrCpy(*savePtr, s, strlen(s)+1);
17705 clock = time((time_t *)NULL);
17706 tm = localtime(&clock);
17707 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17708 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17709 return StrSave(buf);
17714 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17716 int i, j, fromX, fromY, toX, toY;
17723 whiteToPlay = (gameMode == EditPosition) ?
17724 !blackPlaysFirst : (move % 2 == 0);
17727 /* Piece placement data */
17728 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17729 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17731 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17732 if (boards[move][i][j] == EmptySquare) {
17734 } else { ChessSquare piece = boards[move][i][j];
17735 if (emptycount > 0) {
17736 if(emptycount<10) /* [HGM] can be >= 10 */
17737 *p++ = '0' + emptycount;
17738 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17741 if(PieceToChar(piece) == '+') {
17742 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17744 piece = (ChessSquare)(CHUDEMOTED piece);
17746 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17748 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17749 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17754 if (emptycount > 0) {
17755 if(emptycount<10) /* [HGM] can be >= 10 */
17756 *p++ = '0' + emptycount;
17757 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17764 /* [HGM] print Crazyhouse or Shogi holdings */
17765 if( gameInfo.holdingsWidth ) {
17766 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17768 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17769 piece = boards[move][i][BOARD_WIDTH-1];
17770 if( piece != EmptySquare )
17771 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17772 *p++ = PieceToChar(piece);
17774 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17775 piece = boards[move][BOARD_HEIGHT-i-1][0];
17776 if( piece != EmptySquare )
17777 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17778 *p++ = PieceToChar(piece);
17781 if( q == p ) *p++ = '-';
17787 *p++ = whiteToPlay ? 'w' : 'b';
17790 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17791 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17793 if(nrCastlingRights) {
17795 if(appData.fischerCastling) {
17796 /* [HGM] write directly from rights */
17797 if(boards[move][CASTLING][2] != NoRights &&
17798 boards[move][CASTLING][0] != NoRights )
17799 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17800 if(boards[move][CASTLING][2] != NoRights &&
17801 boards[move][CASTLING][1] != NoRights )
17802 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17803 if(boards[move][CASTLING][5] != NoRights &&
17804 boards[move][CASTLING][3] != NoRights )
17805 *p++ = boards[move][CASTLING][3] + AAA;
17806 if(boards[move][CASTLING][5] != NoRights &&
17807 boards[move][CASTLING][4] != NoRights )
17808 *p++ = boards[move][CASTLING][4] + AAA;
17811 /* [HGM] write true castling rights */
17812 if( nrCastlingRights == 6 ) {
17814 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17815 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17816 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17817 boards[move][CASTLING][2] != NoRights );
17818 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17819 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17820 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17821 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17822 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17826 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17827 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17828 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17829 boards[move][CASTLING][5] != NoRights );
17830 if(gameInfo.variant == VariantSChess) {
17831 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17832 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17833 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17834 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17839 if (q == p) *p++ = '-'; /* No castling rights */
17843 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17844 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17845 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17846 /* En passant target square */
17847 if (move > backwardMostMove) {
17848 fromX = moveList[move - 1][0] - AAA;
17849 fromY = moveList[move - 1][1] - ONE;
17850 toX = moveList[move - 1][2] - AAA;
17851 toY = moveList[move - 1][3] - ONE;
17852 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17853 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17854 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17856 /* 2-square pawn move just happened */
17858 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17862 } else if(move == backwardMostMove) {
17863 // [HGM] perhaps we should always do it like this, and forget the above?
17864 if((signed char)boards[move][EP_STATUS] >= 0) {
17865 *p++ = boards[move][EP_STATUS] + AAA;
17866 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17878 { int i = 0, j=move;
17880 /* [HGM] find reversible plies */
17881 if (appData.debugMode) { int k;
17882 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17883 for(k=backwardMostMove; k<=forwardMostMove; k++)
17884 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17888 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17889 if( j == backwardMostMove ) i += initialRulePlies;
17890 sprintf(p, "%d ", i);
17891 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17893 /* Fullmove number */
17894 sprintf(p, "%d", (move / 2) + 1);
17895 } else *--p = NULLCHAR;
17897 return StrSave(buf);
17901 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17903 int i, j, k, w=0, subst=0, shuffle=0;
17905 int emptycount, virgin[BOARD_FILES];
17910 /* Piece placement data */
17911 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17914 if (*p == '/' || *p == ' ' || *p == '[' ) {
17916 emptycount = gameInfo.boardWidth - j;
17917 while (emptycount--)
17918 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17919 if (*p == '/') p++;
17920 else if(autoSize) { // we stumbled unexpectedly into end of board
17921 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17922 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17924 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17927 #if(BOARD_FILES >= 10)*0
17928 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17929 p++; emptycount=10;
17930 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17931 while (emptycount--)
17932 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17934 } else if (*p == '*') {
17935 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17936 } else if (isdigit(*p)) {
17937 emptycount = *p++ - '0';
17938 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17939 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17940 while (emptycount--)
17941 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17942 } else if (*p == '<') {
17943 if(i == BOARD_HEIGHT-1) shuffle = 1;
17944 else if (i != 0 || !shuffle) return FALSE;
17946 } else if (shuffle && *p == '>') {
17947 p++; // for now ignore closing shuffle range, and assume rank-end
17948 } else if (*p == '?') {
17949 if (j >= gameInfo.boardWidth) return FALSE;
17950 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17951 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17952 } else if (*p == '+' || isalpha(*p)) {
17953 if (j >= gameInfo.boardWidth) return FALSE;
17955 piece = CharToPiece(*++p);
17956 if(piece == EmptySquare) return FALSE; /* unknown piece */
17957 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17958 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17959 } else piece = CharToPiece(*p++);
17961 if(piece==EmptySquare) return FALSE; /* unknown piece */
17962 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17963 piece = (ChessSquare) (PROMOTED piece);
17964 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17967 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17973 while (*p == '/' || *p == ' ') p++;
17975 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17977 /* [HGM] by default clear Crazyhouse holdings, if present */
17978 if(gameInfo.holdingsWidth) {
17979 for(i=0; i<BOARD_HEIGHT; i++) {
17980 board[i][0] = EmptySquare; /* black holdings */
17981 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17982 board[i][1] = (ChessSquare) 0; /* black counts */
17983 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17987 /* [HGM] look for Crazyhouse holdings here */
17988 while(*p==' ') p++;
17989 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17990 int swap=0, wcnt=0, bcnt=0;
17992 if(*p == '<') swap++, p++;
17993 if(*p == '-' ) p++; /* empty holdings */ else {
17994 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17995 /* if we would allow FEN reading to set board size, we would */
17996 /* have to add holdings and shift the board read so far here */
17997 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17999 if((int) piece >= (int) BlackPawn ) {
18000 i = (int)piece - (int)BlackPawn;
18001 i = PieceToNumber((ChessSquare)i);
18002 if( i >= gameInfo.holdingsSize ) return FALSE;
18003 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18004 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18007 i = (int)piece - (int)WhitePawn;
18008 i = PieceToNumber((ChessSquare)i);
18009 if( i >= gameInfo.holdingsSize ) return FALSE;
18010 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18011 board[i][BOARD_WIDTH-2]++; /* black holdings */
18015 if(subst) { // substitute back-rank question marks by holdings pieces
18016 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18017 int k, m, n = bcnt + 1;
18018 if(board[0][j] == ClearBoard) {
18019 if(!wcnt) return FALSE;
18021 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18022 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18023 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18027 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18028 if(!bcnt) return FALSE;
18029 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18030 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18031 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18032 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18043 if(subst) return FALSE; // substitution requested, but no holdings
18045 while(*p == ' ') p++;
18049 if(appData.colorNickNames) {
18050 if( c == appData.colorNickNames[0] ) c = 'w'; else
18051 if( c == appData.colorNickNames[1] ) c = 'b';
18055 *blackPlaysFirst = FALSE;
18058 *blackPlaysFirst = TRUE;
18064 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18065 /* return the extra info in global variiables */
18067 /* set defaults in case FEN is incomplete */
18068 board[EP_STATUS] = EP_UNKNOWN;
18069 for(i=0; i<nrCastlingRights; i++ ) {
18070 board[CASTLING][i] =
18071 appData.fischerCastling ? NoRights : initialRights[i];
18072 } /* assume possible unless obviously impossible */
18073 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18074 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18075 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18076 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18077 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18078 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18079 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18080 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18083 while(*p==' ') p++;
18084 if(nrCastlingRights) {
18086 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18087 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18088 /* castling indicator present, so default becomes no castlings */
18089 for(i=0; i<nrCastlingRights; i++ ) {
18090 board[CASTLING][i] = NoRights;
18093 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18094 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18095 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18096 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18097 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18099 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18100 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18101 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18103 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18104 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18105 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18106 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18107 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18108 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18111 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18112 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18113 board[CASTLING][2] = whiteKingFile;
18114 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18115 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18116 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18119 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18120 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18121 board[CASTLING][2] = whiteKingFile;
18122 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18123 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18124 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18127 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18128 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18129 board[CASTLING][5] = blackKingFile;
18130 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18131 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18132 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18135 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18136 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18137 board[CASTLING][5] = blackKingFile;
18138 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18139 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18140 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18143 default: /* FRC castlings */
18144 if(c >= 'a') { /* black rights */
18145 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18146 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18147 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18148 if(i == BOARD_RGHT) break;
18149 board[CASTLING][5] = i;
18151 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18152 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18154 board[CASTLING][3] = c;
18156 board[CASTLING][4] = c;
18157 } else { /* white rights */
18158 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18159 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18160 if(board[0][i] == WhiteKing) break;
18161 if(i == BOARD_RGHT) break;
18162 board[CASTLING][2] = i;
18163 c -= AAA - 'a' + 'A';
18164 if(board[0][c] >= WhiteKing) break;
18166 board[CASTLING][0] = c;
18168 board[CASTLING][1] = c;
18172 for(i=0; i<nrCastlingRights; i++)
18173 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18174 if(gameInfo.variant == VariantSChess)
18175 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18176 if(fischer && shuffle) appData.fischerCastling = TRUE;
18177 if (appData.debugMode) {
18178 fprintf(debugFP, "FEN castling rights:");
18179 for(i=0; i<nrCastlingRights; i++)
18180 fprintf(debugFP, " %d", board[CASTLING][i]);
18181 fprintf(debugFP, "\n");
18184 while(*p==' ') p++;
18187 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18189 /* read e.p. field in games that know e.p. capture */
18190 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18191 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18192 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18194 p++; board[EP_STATUS] = EP_NONE;
18196 char c = *p++ - AAA;
18198 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18199 if(*p >= '0' && *p <='9') p++;
18200 board[EP_STATUS] = c;
18205 if(sscanf(p, "%d", &i) == 1) {
18206 FENrulePlies = i; /* 50-move ply counter */
18207 /* (The move number is still ignored) */
18214 EditPositionPasteFEN (char *fen)
18217 Board initial_position;
18219 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18220 DisplayError(_("Bad FEN position in clipboard"), 0);
18223 int savedBlackPlaysFirst = blackPlaysFirst;
18224 EditPositionEvent();
18225 blackPlaysFirst = savedBlackPlaysFirst;
18226 CopyBoard(boards[0], initial_position);
18227 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18228 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18229 DisplayBothClocks();
18230 DrawPosition(FALSE, boards[currentMove]);
18235 static char cseq[12] = "\\ ";
18238 set_cont_sequence (char *new_seq)
18243 // handle bad attempts to set the sequence
18245 return 0; // acceptable error - no debug
18247 len = strlen(new_seq);
18248 ret = (len > 0) && (len < sizeof(cseq));
18250 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18251 else if (appData.debugMode)
18252 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18257 reformat a source message so words don't cross the width boundary. internal
18258 newlines are not removed. returns the wrapped size (no null character unless
18259 included in source message). If dest is NULL, only calculate the size required
18260 for the dest buffer. lp argument indicats line position upon entry, and it's
18261 passed back upon exit.
18264 wrap (char *dest, char *src, int count, int width, int *lp)
18266 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18268 cseq_len = strlen(cseq);
18269 old_line = line = *lp;
18270 ansi = len = clen = 0;
18272 for (i=0; i < count; i++)
18274 if (src[i] == '\033')
18277 // if we hit the width, back up
18278 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18280 // store i & len in case the word is too long
18281 old_i = i, old_len = len;
18283 // find the end of the last word
18284 while (i && src[i] != ' ' && src[i] != '\n')
18290 // word too long? restore i & len before splitting it
18291 if ((old_i-i+clen) >= width)
18298 if (i && src[i-1] == ' ')
18301 if (src[i] != ' ' && src[i] != '\n')
18308 // now append the newline and continuation sequence
18313 strncpy(dest+len, cseq, cseq_len);
18321 dest[len] = src[i];
18325 if (src[i] == '\n')
18330 if (dest && appData.debugMode)
18332 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18333 count, width, line, len, *lp);
18334 show_bytes(debugFP, src, count);
18335 fprintf(debugFP, "\ndest: ");
18336 show_bytes(debugFP, dest, len);
18337 fprintf(debugFP, "\n");
18339 *lp = dest ? line : old_line;
18344 // [HGM] vari: routines for shelving variations
18345 Boolean modeRestore = FALSE;
18348 PushInner (int firstMove, int lastMove)
18350 int i, j, nrMoves = lastMove - firstMove;
18352 // push current tail of game on stack
18353 savedResult[storedGames] = gameInfo.result;
18354 savedDetails[storedGames] = gameInfo.resultDetails;
18355 gameInfo.resultDetails = NULL;
18356 savedFirst[storedGames] = firstMove;
18357 savedLast [storedGames] = lastMove;
18358 savedFramePtr[storedGames] = framePtr;
18359 framePtr -= nrMoves; // reserve space for the boards
18360 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18361 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18362 for(j=0; j<MOVE_LEN; j++)
18363 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18364 for(j=0; j<2*MOVE_LEN; j++)
18365 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18366 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18367 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18368 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18369 pvInfoList[firstMove+i-1].depth = 0;
18370 commentList[framePtr+i] = commentList[firstMove+i];
18371 commentList[firstMove+i] = NULL;
18375 forwardMostMove = firstMove; // truncate game so we can start variation
18379 PushTail (int firstMove, int lastMove)
18381 if(appData.icsActive) { // only in local mode
18382 forwardMostMove = currentMove; // mimic old ICS behavior
18385 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18387 PushInner(firstMove, lastMove);
18388 if(storedGames == 1) GreyRevert(FALSE);
18389 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18393 PopInner (Boolean annotate)
18396 char buf[8000], moveBuf[20];
18398 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18399 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18400 nrMoves = savedLast[storedGames] - currentMove;
18403 if(!WhiteOnMove(currentMove))
18404 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18405 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18406 for(i=currentMove; i<forwardMostMove; i++) {
18408 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18409 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18410 strcat(buf, moveBuf);
18411 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18412 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18416 for(i=1; i<=nrMoves; i++) { // copy last variation back
18417 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18418 for(j=0; j<MOVE_LEN; j++)
18419 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18420 for(j=0; j<2*MOVE_LEN; j++)
18421 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18422 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18423 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18424 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18425 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18426 commentList[currentMove+i] = commentList[framePtr+i];
18427 commentList[framePtr+i] = NULL;
18429 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18430 framePtr = savedFramePtr[storedGames];
18431 gameInfo.result = savedResult[storedGames];
18432 if(gameInfo.resultDetails != NULL) {
18433 free(gameInfo.resultDetails);
18435 gameInfo.resultDetails = savedDetails[storedGames];
18436 forwardMostMove = currentMove + nrMoves;
18440 PopTail (Boolean annotate)
18442 if(appData.icsActive) return FALSE; // only in local mode
18443 if(!storedGames) return FALSE; // sanity
18444 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18446 PopInner(annotate);
18447 if(currentMove < forwardMostMove) ForwardEvent(); else
18448 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18450 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18456 { // remove all shelved variations
18458 for(i=0; i<storedGames; i++) {
18459 if(savedDetails[i])
18460 free(savedDetails[i]);
18461 savedDetails[i] = NULL;
18463 for(i=framePtr; i<MAX_MOVES; i++) {
18464 if(commentList[i]) free(commentList[i]);
18465 commentList[i] = NULL;
18467 framePtr = MAX_MOVES-1;
18472 LoadVariation (int index, char *text)
18473 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18474 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18475 int level = 0, move;
18477 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18478 // first find outermost bracketing variation
18479 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18480 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18481 if(*p == '{') wait = '}'; else
18482 if(*p == '[') wait = ']'; else
18483 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18484 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18486 if(*p == wait) wait = NULLCHAR; // closing ]} found
18489 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18490 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18491 end[1] = NULLCHAR; // clip off comment beyond variation
18492 ToNrEvent(currentMove-1);
18493 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18494 // kludge: use ParsePV() to append variation to game
18495 move = currentMove;
18496 ParsePV(start, TRUE, TRUE);
18497 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18498 ClearPremoveHighlights();
18500 ToNrEvent(currentMove+1);
18506 char *p, *q, buf[MSG_SIZ];
18507 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18508 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18509 ParseArgsFromString(buf);
18510 ActivateTheme(TRUE); // also redo colors
18514 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18517 q = appData.themeNames;
18518 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18519 if(appData.useBitmaps) {
18520 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18521 appData.liteBackTextureFile, appData.darkBackTextureFile,
18522 appData.liteBackTextureMode,
18523 appData.darkBackTextureMode );
18525 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18526 Col2Text(2), // lightSquareColor
18527 Col2Text(3) ); // darkSquareColor
18529 if(appData.useBorder) {
18530 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18533 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18535 if(appData.useFont) {
18536 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18537 appData.renderPiecesWithFont,
18538 appData.fontToPieceTable,
18539 Col2Text(9), // appData.fontBackColorWhite
18540 Col2Text(10) ); // appData.fontForeColorBlack
18542 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18543 appData.pieceDirectory);
18544 if(!appData.pieceDirectory[0])
18545 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18546 Col2Text(0), // whitePieceColor
18547 Col2Text(1) ); // blackPieceColor
18549 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18550 Col2Text(4), // highlightSquareColor
18551 Col2Text(5) ); // premoveHighlightColor
18552 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18553 if(insert != q) insert[-1] = NULLCHAR;
18554 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18557 ActivateTheme(FALSE);