2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
63 # define EGBB_NAME "egbbdll64.dll"
65 # define EGBB_NAME "egbbdll.dll"
70 # include <sys/file.h>
75 # define EGBB_NAME "egbbso64.so"
77 # define EGBB_NAME "egbbso.so"
79 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
81 # define HMODULE void *
82 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
83 # define GetProcAddress dlsym
93 #include <sys/types.h>
102 #else /* not STDC_HEADERS */
105 # else /* not HAVE_STRING_H */
106 # include <strings.h>
107 # endif /* not HAVE_STRING_H */
108 #endif /* not STDC_HEADERS */
111 # include <sys/fcntl.h>
112 #else /* not HAVE_SYS_FCNTL_H */
115 # endif /* HAVE_FCNTL_H */
116 #endif /* not HAVE_SYS_FCNTL_H */
118 #if TIME_WITH_SYS_TIME
119 # include <sys/time.h>
123 # include <sys/time.h>
129 #if defined(_amigados) && !defined(__GNUC__)
134 extern int gettimeofday(struct timeval *, struct timezone *);
142 #include "frontend.h"
149 #include "backendz.h"
150 #include "evalgraph.h"
151 #include "engineoutput.h"
155 # define _(s) gettext (s)
156 # define N_(s) gettext_noop (s)
157 # define T_(s) gettext(s)
170 int establish P((void));
171 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
172 char *buf, int count, int error));
173 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
174 char *buf, int count, int error));
175 void SendToICS P((char *s));
176 void SendToICSDelayed P((char *s, long msdelay));
177 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
178 void HandleMachineMove P((char *message, ChessProgramState *cps));
179 int AutoPlayOneMove P((void));
180 int LoadGameOneMove P((ChessMove readAhead));
181 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
182 int LoadPositionFromFile P((char *filename, int n, char *title));
183 int SavePositionToFile P((char *filename));
184 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
185 void ShowMove P((int fromX, int fromY, int toX, int toY));
186 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
187 /*char*/int promoChar));
188 void BackwardInner P((int target));
189 void ForwardInner P((int target));
190 int Adjudicate P((ChessProgramState *cps));
191 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
192 void EditPositionDone P((Boolean fakeRights));
193 void PrintOpponents P((FILE *fp));
194 void PrintPosition P((FILE *fp, int move));
195 void StartChessProgram P((ChessProgramState *cps));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 static Boolean pieceDefs;
300 /* States for ics_getting_history */
302 #define H_REQUESTED 1
303 #define H_GOT_REQ_HEADER 2
304 #define H_GOT_UNREQ_HEADER 3
305 #define H_GETTING_MOVES 4
306 #define H_GOT_UNWANTED_HEADER 5
308 /* whosays values for GameEnds */
317 /* Maximum number of games in a cmail message */
318 #define CMAIL_MAX_GAMES 20
320 /* Different types of move when calling RegisterMove */
322 #define CMAIL_RESIGN 1
324 #define CMAIL_ACCEPT 3
326 /* Different types of result to remember for each game */
327 #define CMAIL_NOT_RESULT 0
328 #define CMAIL_OLD_RESULT 1
329 #define CMAIL_NEW_RESULT 2
331 /* Telnet protocol constants */
342 safeStrCpy (char *dst, const char *src, size_t count)
345 assert( dst != NULL );
346 assert( src != NULL );
349 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
350 if( i == count && dst[count-1] != NULLCHAR)
352 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
353 if(appData.debugMode)
354 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
360 /* Some compiler can't cast u64 to double
361 * This function do the job for us:
363 * We use the highest bit for cast, this only
364 * works if the highest bit is not
365 * in use (This should not happen)
367 * We used this for all compiler
370 u64ToDouble (u64 value)
373 u64 tmp = value & u64Const(0x7fffffffffffffff);
374 r = (double)(s64)tmp;
375 if (value & u64Const(0x8000000000000000))
376 r += 9.2233720368547758080e18; /* 2^63 */
380 /* Fake up flags for now, as we aren't keeping track of castling
381 availability yet. [HGM] Change of logic: the flag now only
382 indicates the type of castlings allowed by the rule of the game.
383 The actual rights themselves are maintained in the array
384 castlingRights, as part of the game history, and are not probed
390 int flags = F_ALL_CASTLE_OK;
391 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
392 switch (gameInfo.variant) {
394 flags &= ~F_ALL_CASTLE_OK;
395 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
396 flags |= F_IGNORE_CHECK;
398 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
401 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
403 case VariantKriegspiel:
404 flags |= F_KRIEGSPIEL_CAPTURE;
406 case VariantCapaRandom:
407 case VariantFischeRandom:
408 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
409 case VariantNoCastle:
410 case VariantShatranj:
415 flags &= ~F_ALL_CASTLE_OK;
418 case VariantChuChess:
420 flags |= F_NULL_MOVE;
425 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
429 FILE *gameFileFP, *debugFP, *serverFP;
430 char *currentDebugFile; // [HGM] debug split: to remember name
433 [AS] Note: sometimes, the sscanf() function is used to parse the input
434 into a fixed-size buffer. Because of this, we must be prepared to
435 receive strings as long as the size of the input buffer, which is currently
436 set to 4K for Windows and 8K for the rest.
437 So, we must either allocate sufficiently large buffers here, or
438 reduce the size of the input buffer in the input reading part.
441 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
442 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
443 char thinkOutput1[MSG_SIZ*10];
445 ChessProgramState first, second, pairing;
447 /* premove variables */
450 int premoveFromX = 0;
451 int premoveFromY = 0;
452 int premovePromoChar = 0;
454 Boolean alarmSounded;
455 /* end premove variables */
457 char *ics_prefix = "$";
458 enum ICS_TYPE ics_type = ICS_GENERIC;
460 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
461 int pauseExamForwardMostMove = 0;
462 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
463 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
464 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
465 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
466 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
467 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
468 int whiteFlag = FALSE, blackFlag = FALSE;
469 int userOfferedDraw = FALSE;
470 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
471 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
472 int cmailMoveType[CMAIL_MAX_GAMES];
473 long ics_clock_paused = 0;
474 ProcRef icsPR = NoProc, cmailPR = NoProc;
475 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
476 GameMode gameMode = BeginningOfGame;
477 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
478 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
479 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
480 int hiddenThinkOutputState = 0; /* [AS] */
481 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
482 int adjudicateLossPlies = 6;
483 char white_holding[64], black_holding[64];
484 TimeMark lastNodeCountTime;
485 long lastNodeCount=0;
486 int shiftKey, controlKey; // [HGM] set by mouse handler
488 int have_sent_ICS_logon = 0;
490 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
491 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
492 Boolean adjustedClock;
493 long timeControl_2; /* [AS] Allow separate time controls */
494 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
495 long timeRemaining[2][MAX_MOVES];
496 int matchGame = 0, nextGame = 0, roundNr = 0;
497 Boolean waitingForGame = FALSE, startingEngine = FALSE;
498 TimeMark programStartTime, pauseStart;
499 char ics_handle[MSG_SIZ];
500 int have_set_title = 0;
502 /* animateTraining preserves the state of appData.animate
503 * when Training mode is activated. This allows the
504 * response to be animated when appData.animate == TRUE and
505 * appData.animateDragging == TRUE.
507 Boolean animateTraining;
513 Board boards[MAX_MOVES];
514 /* [HGM] Following 7 needed for accurate legality tests: */
515 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
516 signed char initialRights[BOARD_FILES];
517 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
518 int initialRulePlies, FENrulePlies;
519 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
521 Boolean shuffleOpenings;
522 int mute; // mute all sounds
524 // [HGM] vari: next 12 to save and restore variations
525 #define MAX_VARIATIONS 10
526 int framePtr = MAX_MOVES-1; // points to free stack entry
528 int savedFirst[MAX_VARIATIONS];
529 int savedLast[MAX_VARIATIONS];
530 int savedFramePtr[MAX_VARIATIONS];
531 char *savedDetails[MAX_VARIATIONS];
532 ChessMove savedResult[MAX_VARIATIONS];
534 void PushTail P((int firstMove, int lastMove));
535 Boolean PopTail P((Boolean annotate));
536 void PushInner P((int firstMove, int lastMove));
537 void PopInner P((Boolean annotate));
538 void CleanupTail P((void));
540 ChessSquare FIDEArray[2][BOARD_FILES] = {
541 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
542 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
544 BlackKing, BlackBishop, BlackKnight, BlackRook }
547 ChessSquare twoKingsArray[2][BOARD_FILES] = {
548 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
549 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
551 BlackKing, BlackKing, BlackKnight, BlackRook }
554 ChessSquare KnightmateArray[2][BOARD_FILES] = {
555 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
556 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
557 { BlackRook, BlackMan, BlackBishop, BlackQueen,
558 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
561 ChessSquare SpartanArray[2][BOARD_FILES] = {
562 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
563 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
564 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
565 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
568 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
569 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
570 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
571 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
572 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
575 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
576 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
577 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
579 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
582 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
583 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
584 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
585 { BlackRook, BlackKnight, BlackMan, BlackFerz,
586 BlackKing, BlackMan, BlackKnight, BlackRook }
589 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
590 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
591 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
592 { BlackRook, BlackKnight, BlackMan, BlackFerz,
593 BlackKing, BlackMan, BlackKnight, BlackRook }
596 ChessSquare lionArray[2][BOARD_FILES] = {
597 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
598 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
599 { BlackRook, BlackLion, BlackBishop, BlackQueen,
600 BlackKing, BlackBishop, BlackKnight, BlackRook }
604 #if (BOARD_FILES>=10)
605 ChessSquare ShogiArray[2][BOARD_FILES] = {
606 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
607 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
608 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
609 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
612 ChessSquare XiangqiArray[2][BOARD_FILES] = {
613 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
614 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
615 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
616 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
619 ChessSquare CapablancaArray[2][BOARD_FILES] = {
620 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
621 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
622 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
623 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
626 ChessSquare GreatArray[2][BOARD_FILES] = {
627 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
628 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
629 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
630 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
633 ChessSquare JanusArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
635 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
636 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
637 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
640 ChessSquare GrandArray[2][BOARD_FILES] = {
641 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
642 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
643 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
644 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
647 ChessSquare ChuChessArray[2][BOARD_FILES] = {
648 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
649 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
650 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
651 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
655 ChessSquare GothicArray[2][BOARD_FILES] = {
656 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
657 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
658 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
659 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
662 #define GothicArray CapablancaArray
666 ChessSquare FalconArray[2][BOARD_FILES] = {
667 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
668 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
669 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
670 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
673 #define FalconArray CapablancaArray
676 #else // !(BOARD_FILES>=10)
677 #define XiangqiPosition FIDEArray
678 #define CapablancaArray FIDEArray
679 #define GothicArray FIDEArray
680 #define GreatArray FIDEArray
681 #endif // !(BOARD_FILES>=10)
683 #if (BOARD_FILES>=12)
684 ChessSquare CourierArray[2][BOARD_FILES] = {
685 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
686 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
687 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
688 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
690 ChessSquare ChuArray[6][BOARD_FILES] = {
691 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
692 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
693 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
694 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
695 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
696 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
697 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
698 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
699 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
700 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
701 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
702 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
704 #else // !(BOARD_FILES>=12)
705 #define CourierArray CapablancaArray
706 #define ChuArray CapablancaArray
707 #endif // !(BOARD_FILES>=12)
710 Board initialPosition;
713 /* Convert str to a rating. Checks for special cases of "----",
715 "++++", etc. Also strips ()'s */
717 string_to_rating (char *str)
719 while(*str && !isdigit(*str)) ++str;
721 return 0; /* One of the special "no rating" cases */
729 /* Init programStats */
730 programStats.movelist[0] = 0;
731 programStats.depth = 0;
732 programStats.nr_moves = 0;
733 programStats.moves_left = 0;
734 programStats.nodes = 0;
735 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
736 programStats.score = 0;
737 programStats.got_only_move = 0;
738 programStats.got_fail = 0;
739 programStats.line_is_book = 0;
744 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
745 if (appData.firstPlaysBlack) {
746 first.twoMachinesColor = "black\n";
747 second.twoMachinesColor = "white\n";
749 first.twoMachinesColor = "white\n";
750 second.twoMachinesColor = "black\n";
753 first.other = &second;
754 second.other = &first;
757 if(appData.timeOddsMode) {
758 norm = appData.timeOdds[0];
759 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
761 first.timeOdds = appData.timeOdds[0]/norm;
762 second.timeOdds = appData.timeOdds[1]/norm;
765 if(programVersion) free(programVersion);
766 if (appData.noChessProgram) {
767 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
768 sprintf(programVersion, "%s", PACKAGE_STRING);
770 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
771 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
772 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
777 UnloadEngine (ChessProgramState *cps)
779 /* Kill off first chess program */
780 if (cps->isr != NULL)
781 RemoveInputSource(cps->isr);
784 if (cps->pr != NoProc) {
786 DoSleep( appData.delayBeforeQuit );
787 SendToProgram("quit\n", cps);
788 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
791 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
795 ClearOptions (ChessProgramState *cps)
798 cps->nrOptions = cps->comboCnt = 0;
799 for(i=0; i<MAX_OPTIONS; i++) {
800 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
801 cps->option[i].textValue = 0;
805 char *engineNames[] = {
806 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
807 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
815 InitEngine (ChessProgramState *cps, int n)
816 { // [HGM] all engine initialiation put in a function that does one engine
820 cps->which = engineNames[n];
821 cps->maybeThinking = FALSE;
825 cps->sendDrawOffers = 1;
827 cps->program = appData.chessProgram[n];
828 cps->host = appData.host[n];
829 cps->dir = appData.directory[n];
830 cps->initString = appData.engInitString[n];
831 cps->computerString = appData.computerString[n];
832 cps->useSigint = TRUE;
833 cps->useSigterm = TRUE;
834 cps->reuse = appData.reuse[n];
835 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
836 cps->useSetboard = FALSE;
838 cps->usePing = FALSE;
841 cps->usePlayother = FALSE;
842 cps->useColors = TRUE;
843 cps->useUsermove = FALSE;
844 cps->sendICS = FALSE;
845 cps->sendName = appData.icsActive;
846 cps->sdKludge = FALSE;
847 cps->stKludge = FALSE;
848 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
849 TidyProgramName(cps->program, cps->host, cps->tidy);
851 ASSIGN(cps->variants, appData.variant);
852 cps->analysisSupport = 2; /* detect */
853 cps->analyzing = FALSE;
854 cps->initDone = FALSE;
856 cps->pseudo = appData.pseudo[n];
858 /* New features added by Tord: */
859 cps->useFEN960 = FALSE;
860 cps->useOOCastle = TRUE;
861 /* End of new features added by Tord. */
862 cps->fenOverride = appData.fenOverride[n];
864 /* [HGM] time odds: set factor for each machine */
865 cps->timeOdds = appData.timeOdds[n];
867 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
868 cps->accumulateTC = appData.accumulateTC[n];
869 cps->maxNrOfSessions = 1;
874 cps->drawDepth = appData.drawDepth[n];
875 cps->supportsNPS = UNKNOWN;
876 cps->memSize = FALSE;
877 cps->maxCores = FALSE;
878 ASSIGN(cps->egtFormats, "");
881 cps->optionSettings = appData.engOptions[n];
883 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
884 cps->isUCI = appData.isUCI[n]; /* [AS] */
885 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
888 if (appData.protocolVersion[n] > PROTOVER
889 || appData.protocolVersion[n] < 1)
894 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
895 appData.protocolVersion[n]);
896 if( (len >= MSG_SIZ) && appData.debugMode )
897 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
899 DisplayFatalError(buf, 0, 2);
903 cps->protocolVersion = appData.protocolVersion[n];
906 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
907 ParseFeatures(appData.featureDefaults, cps);
910 ChessProgramState *savCps;
918 if(WaitForEngine(savCps, LoadEngine)) return;
919 CommonEngineInit(); // recalculate time odds
920 if(gameInfo.variant != StringToVariant(appData.variant)) {
921 // we changed variant when loading the engine; this forces us to reset
922 Reset(TRUE, savCps != &first);
923 oldMode = BeginningOfGame; // to prevent restoring old mode
925 InitChessProgram(savCps, FALSE);
926 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
927 DisplayMessage("", "");
928 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
929 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
932 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
936 ReplaceEngine (ChessProgramState *cps, int n)
938 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
940 if(oldMode != BeginningOfGame) EditGameEvent();
943 appData.noChessProgram = FALSE;
944 appData.clockMode = TRUE;
947 if(n) return; // only startup first engine immediately; second can wait
948 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
952 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
953 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
955 static char resetOptions[] =
956 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
957 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
958 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
959 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
962 FloatToFront(char **list, char *engineLine)
964 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
966 if(appData.recentEngines <= 0) return;
967 TidyProgramName(engineLine, "localhost", tidy+1);
968 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
969 strncpy(buf+1, *list, MSG_SIZ-50);
970 if(p = strstr(buf, tidy)) { // tidy name appears in list
971 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
972 while(*p++ = *++q); // squeeze out
974 strcat(tidy, buf+1); // put list behind tidy name
975 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
976 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
977 ASSIGN(*list, tidy+1);
980 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
983 Load (ChessProgramState *cps, int i)
985 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
986 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
987 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
988 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
989 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
990 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
991 appData.firstProtocolVersion = PROTOVER;
992 ParseArgsFromString(buf);
994 ReplaceEngine(cps, i);
995 FloatToFront(&appData.recentEngineList, engineLine);
999 while(q = strchr(p, SLASH)) p = q+1;
1000 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1001 if(engineDir[0] != NULLCHAR) {
1002 ASSIGN(appData.directory[i], engineDir); p = engineName;
1003 } else if(p != engineName) { // derive directory from engine path, when not given
1005 ASSIGN(appData.directory[i], engineName);
1007 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1008 } else { ASSIGN(appData.directory[i], "."); }
1009 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1011 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1012 snprintf(command, MSG_SIZ, "%s %s", p, params);
1015 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1016 ASSIGN(appData.chessProgram[i], p);
1017 appData.isUCI[i] = isUCI;
1018 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1019 appData.hasOwnBookUCI[i] = hasBook;
1020 if(!nickName[0]) useNick = FALSE;
1021 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1025 q = firstChessProgramNames;
1026 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1027 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1028 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1029 quote, p, quote, appData.directory[i],
1030 useNick ? " -fn \"" : "",
1031 useNick ? nickName : "",
1032 useNick ? "\"" : "",
1033 v1 ? " -firstProtocolVersion 1" : "",
1034 hasBook ? "" : " -fNoOwnBookUCI",
1035 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1036 storeVariant ? " -variant " : "",
1037 storeVariant ? VariantName(gameInfo.variant) : "");
1038 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1039 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1040 if(insert != q) insert[-1] = NULLCHAR;
1041 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1043 FloatToFront(&appData.recentEngineList, buf);
1045 ReplaceEngine(cps, i);
1051 int matched, min, sec;
1053 * Parse timeControl resource
1055 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1056 appData.movesPerSession)) {
1058 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1059 DisplayFatalError(buf, 0, 2);
1063 * Parse searchTime resource
1065 if (*appData.searchTime != NULLCHAR) {
1066 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1068 searchTime = min * 60;
1069 } else if (matched == 2) {
1070 searchTime = min * 60 + sec;
1073 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1074 DisplayFatalError(buf, 0, 2);
1083 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1084 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1086 GetTimeMark(&programStartTime);
1087 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1088 appData.seedBase = random() + (random()<<15);
1089 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1091 ClearProgramStats();
1092 programStats.ok_to_send = 1;
1093 programStats.seen_stat = 0;
1096 * Initialize game list
1102 * Internet chess server status
1104 if (appData.icsActive) {
1105 appData.matchMode = FALSE;
1106 appData.matchGames = 0;
1108 appData.noChessProgram = !appData.zippyPlay;
1110 appData.zippyPlay = FALSE;
1111 appData.zippyTalk = FALSE;
1112 appData.noChessProgram = TRUE;
1114 if (*appData.icsHelper != NULLCHAR) {
1115 appData.useTelnet = TRUE;
1116 appData.telnetProgram = appData.icsHelper;
1119 appData.zippyTalk = appData.zippyPlay = FALSE;
1122 /* [AS] Initialize pv info list [HGM] and game state */
1126 for( i=0; i<=framePtr; i++ ) {
1127 pvInfoList[i].depth = -1;
1128 boards[i][EP_STATUS] = EP_NONE;
1129 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1135 /* [AS] Adjudication threshold */
1136 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1138 InitEngine(&first, 0);
1139 InitEngine(&second, 1);
1142 pairing.which = "pairing"; // pairing engine
1143 pairing.pr = NoProc;
1145 pairing.program = appData.pairingEngine;
1146 pairing.host = "localhost";
1149 if (appData.icsActive) {
1150 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1151 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1152 appData.clockMode = FALSE;
1153 first.sendTime = second.sendTime = 0;
1157 /* Override some settings from environment variables, for backward
1158 compatibility. Unfortunately it's not feasible to have the env
1159 vars just set defaults, at least in xboard. Ugh.
1161 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1166 if (!appData.icsActive) {
1170 /* Check for variants that are supported only in ICS mode,
1171 or not at all. Some that are accepted here nevertheless
1172 have bugs; see comments below.
1174 VariantClass variant = StringToVariant(appData.variant);
1176 case VariantBughouse: /* need four players and two boards */
1177 case VariantKriegspiel: /* need to hide pieces and move details */
1178 /* case VariantFischeRandom: (Fabien: moved below) */
1179 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1180 if( (len >= MSG_SIZ) && appData.debugMode )
1181 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1183 DisplayFatalError(buf, 0, 2);
1186 case VariantUnknown:
1187 case VariantLoadable:
1197 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1198 if( (len >= MSG_SIZ) && appData.debugMode )
1199 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1201 DisplayFatalError(buf, 0, 2);
1204 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1205 case VariantFairy: /* [HGM] TestLegality definitely off! */
1206 case VariantGothic: /* [HGM] should work */
1207 case VariantCapablanca: /* [HGM] should work */
1208 case VariantCourier: /* [HGM] initial forced moves not implemented */
1209 case VariantShogi: /* [HGM] could still mate with pawn drop */
1210 case VariantChu: /* [HGM] experimental */
1211 case VariantKnightmate: /* [HGM] should work */
1212 case VariantCylinder: /* [HGM] untested */
1213 case VariantFalcon: /* [HGM] untested */
1214 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1215 offboard interposition not understood */
1216 case VariantNormal: /* definitely works! */
1217 case VariantWildCastle: /* pieces not automatically shuffled */
1218 case VariantNoCastle: /* pieces not automatically shuffled */
1219 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1220 case VariantLosers: /* should work except for win condition,
1221 and doesn't know captures are mandatory */
1222 case VariantSuicide: /* should work except for win condition,
1223 and doesn't know captures are mandatory */
1224 case VariantGiveaway: /* should work except for win condition,
1225 and doesn't know captures are mandatory */
1226 case VariantTwoKings: /* should work */
1227 case VariantAtomic: /* should work except for win condition */
1228 case Variant3Check: /* should work except for win condition */
1229 case VariantShatranj: /* should work except for all win conditions */
1230 case VariantMakruk: /* should work except for draw countdown */
1231 case VariantASEAN : /* should work except for draw countdown */
1232 case VariantBerolina: /* might work if TestLegality is off */
1233 case VariantCapaRandom: /* should work */
1234 case VariantJanus: /* should work */
1235 case VariantSuper: /* experimental */
1236 case VariantGreat: /* experimental, requires legality testing to be off */
1237 case VariantSChess: /* S-Chess, should work */
1238 case VariantGrand: /* should work */
1239 case VariantSpartan: /* should work */
1240 case VariantLion: /* should work */
1241 case VariantChuChess: /* should work */
1249 NextIntegerFromString (char ** str, long * value)
1254 while( *s == ' ' || *s == '\t' ) {
1260 if( *s >= '0' && *s <= '9' ) {
1261 while( *s >= '0' && *s <= '9' ) {
1262 *value = *value * 10 + (*s - '0');
1275 NextTimeControlFromString (char ** str, long * value)
1278 int result = NextIntegerFromString( str, &temp );
1281 *value = temp * 60; /* Minutes */
1282 if( **str == ':' ) {
1284 result = NextIntegerFromString( str, &temp );
1285 *value += temp; /* Seconds */
1293 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1294 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1295 int result = -1, type = 0; long temp, temp2;
1297 if(**str != ':') return -1; // old params remain in force!
1299 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1300 if( NextIntegerFromString( str, &temp ) ) return -1;
1301 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1304 /* time only: incremental or sudden-death time control */
1305 if(**str == '+') { /* increment follows; read it */
1307 if(**str == '!') type = *(*str)++; // Bronstein TC
1308 if(result = NextIntegerFromString( str, &temp2)) return -1;
1309 *inc = temp2 * 1000;
1310 if(**str == '.') { // read fraction of increment
1311 char *start = ++(*str);
1312 if(result = NextIntegerFromString( str, &temp2)) return -1;
1314 while(start++ < *str) temp2 /= 10;
1318 *moves = 0; *tc = temp * 1000; *incType = type;
1322 (*str)++; /* classical time control */
1323 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1335 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1336 { /* [HGM] get time to add from the multi-session time-control string */
1337 int incType, moves=1; /* kludge to force reading of first session */
1338 long time, increment;
1341 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1343 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1344 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1345 if(movenr == -1) return time; /* last move before new session */
1346 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1347 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1348 if(!moves) return increment; /* current session is incremental */
1349 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1350 } while(movenr >= -1); /* try again for next session */
1352 return 0; // no new time quota on this move
1356 ParseTimeControl (char *tc, float ti, int mps)
1360 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1363 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1364 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1365 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1369 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1371 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1374 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1376 snprintf(buf, MSG_SIZ, ":%s", mytc);
1378 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1380 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1385 /* Parse second time control */
1388 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1396 timeControl_2 = tc2 * 1000;
1406 timeControl = tc1 * 1000;
1409 timeIncrement = ti * 1000; /* convert to ms */
1410 movesPerSession = 0;
1413 movesPerSession = mps;
1421 if (appData.debugMode) {
1422 # ifdef __GIT_VERSION
1423 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1425 fprintf(debugFP, "Version: %s\n", programVersion);
1428 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1430 set_cont_sequence(appData.wrapContSeq);
1431 if (appData.matchGames > 0) {
1432 appData.matchMode = TRUE;
1433 } else if (appData.matchMode) {
1434 appData.matchGames = 1;
1436 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1437 appData.matchGames = appData.sameColorGames;
1438 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1439 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1440 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1443 if (appData.noChessProgram || first.protocolVersion == 1) {
1446 /* kludge: allow timeout for initial "feature" commands */
1448 DisplayMessage("", _("Starting chess program"));
1449 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1454 CalculateIndex (int index, int gameNr)
1455 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1457 if(index > 0) return index; // fixed nmber
1458 if(index == 0) return 1;
1459 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1460 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1465 LoadGameOrPosition (int gameNr)
1466 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1467 if (*appData.loadGameFile != NULLCHAR) {
1468 if (!LoadGameFromFile(appData.loadGameFile,
1469 CalculateIndex(appData.loadGameIndex, gameNr),
1470 appData.loadGameFile, FALSE)) {
1471 DisplayFatalError(_("Bad game file"), 0, 1);
1474 } else if (*appData.loadPositionFile != NULLCHAR) {
1475 if (!LoadPositionFromFile(appData.loadPositionFile,
1476 CalculateIndex(appData.loadPositionIndex, gameNr),
1477 appData.loadPositionFile)) {
1478 DisplayFatalError(_("Bad position file"), 0, 1);
1486 ReserveGame (int gameNr, char resChar)
1488 FILE *tf = fopen(appData.tourneyFile, "r+");
1489 char *p, *q, c, buf[MSG_SIZ];
1490 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1491 safeStrCpy(buf, lastMsg, MSG_SIZ);
1492 DisplayMessage(_("Pick new game"), "");
1493 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1494 ParseArgsFromFile(tf);
1495 p = q = appData.results;
1496 if(appData.debugMode) {
1497 char *r = appData.participants;
1498 fprintf(debugFP, "results = '%s'\n", p);
1499 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1500 fprintf(debugFP, "\n");
1502 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1504 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1505 safeStrCpy(q, p, strlen(p) + 2);
1506 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1507 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1508 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1509 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1512 fseek(tf, -(strlen(p)+4), SEEK_END);
1514 if(c != '"') // depending on DOS or Unix line endings we can be one off
1515 fseek(tf, -(strlen(p)+2), SEEK_END);
1516 else fseek(tf, -(strlen(p)+3), SEEK_END);
1517 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1518 DisplayMessage(buf, "");
1519 free(p); appData.results = q;
1520 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1521 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1522 int round = appData.defaultMatchGames * appData.tourneyType;
1523 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1524 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1525 UnloadEngine(&first); // next game belongs to other pairing;
1526 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1528 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1532 MatchEvent (int mode)
1533 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1535 if(matchMode) { // already in match mode: switch it off
1537 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1540 // if(gameMode != BeginningOfGame) {
1541 // DisplayError(_("You can only start a match from the initial position."), 0);
1545 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1546 /* Set up machine vs. machine match */
1548 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1549 if(appData.tourneyFile[0]) {
1551 if(nextGame > appData.matchGames) {
1553 if(strchr(appData.results, '*') == NULL) {
1555 appData.tourneyCycles++;
1556 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1558 NextTourneyGame(-1, &dummy);
1560 if(nextGame <= appData.matchGames) {
1561 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1563 ScheduleDelayedEvent(NextMatchGame, 10000);
1568 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1569 DisplayError(buf, 0);
1570 appData.tourneyFile[0] = 0;
1574 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1575 DisplayFatalError(_("Can't have a match with no chess programs"),
1580 matchGame = roundNr = 1;
1581 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1585 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1588 InitBackEnd3 P((void))
1590 GameMode initialMode;
1594 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1595 !strcmp(appData.variant, "normal") && // no explicit variant request
1596 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1597 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1598 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1599 char c, *q = first.variants, *p = strchr(q, ',');
1600 if(p) *p = NULLCHAR;
1601 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1603 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1604 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1605 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1606 Reset(TRUE, FALSE); // and re-initialize
1611 InitChessProgram(&first, startedFromSetupPosition);
1613 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1614 free(programVersion);
1615 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1616 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1617 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1620 if (appData.icsActive) {
1622 /* [DM] Make a console window if needed [HGM] merged ifs */
1628 if (*appData.icsCommPort != NULLCHAR)
1629 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1630 appData.icsCommPort);
1632 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1633 appData.icsHost, appData.icsPort);
1635 if( (len >= MSG_SIZ) && appData.debugMode )
1636 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1638 DisplayFatalError(buf, err, 1);
1643 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1645 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1646 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1647 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1648 } else if (appData.noChessProgram) {
1654 if (*appData.cmailGameName != NULLCHAR) {
1656 OpenLoopback(&cmailPR);
1658 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1662 DisplayMessage("", "");
1663 if (StrCaseCmp(appData.initialMode, "") == 0) {
1664 initialMode = BeginningOfGame;
1665 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1666 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1667 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1668 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1671 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1672 initialMode = TwoMachinesPlay;
1673 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1674 initialMode = AnalyzeFile;
1675 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1676 initialMode = AnalyzeMode;
1677 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1678 initialMode = MachinePlaysWhite;
1679 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1680 initialMode = MachinePlaysBlack;
1681 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1682 initialMode = EditGame;
1683 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1684 initialMode = EditPosition;
1685 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1686 initialMode = Training;
1688 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1689 if( (len >= MSG_SIZ) && appData.debugMode )
1690 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1692 DisplayFatalError(buf, 0, 2);
1696 if (appData.matchMode) {
1697 if(appData.tourneyFile[0]) { // start tourney from command line
1699 if(f = fopen(appData.tourneyFile, "r")) {
1700 ParseArgsFromFile(f); // make sure tourney parmeters re known
1702 appData.clockMode = TRUE;
1704 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1707 } else if (*appData.cmailGameName != NULLCHAR) {
1708 /* Set up cmail mode */
1709 ReloadCmailMsgEvent(TRUE);
1711 /* Set up other modes */
1712 if (initialMode == AnalyzeFile) {
1713 if (*appData.loadGameFile == NULLCHAR) {
1714 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1718 if (*appData.loadGameFile != NULLCHAR) {
1719 (void) LoadGameFromFile(appData.loadGameFile,
1720 appData.loadGameIndex,
1721 appData.loadGameFile, TRUE);
1722 } else if (*appData.loadPositionFile != NULLCHAR) {
1723 (void) LoadPositionFromFile(appData.loadPositionFile,
1724 appData.loadPositionIndex,
1725 appData.loadPositionFile);
1726 /* [HGM] try to make self-starting even after FEN load */
1727 /* to allow automatic setup of fairy variants with wtm */
1728 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1729 gameMode = BeginningOfGame;
1730 setboardSpoiledMachineBlack = 1;
1732 /* [HGM] loadPos: make that every new game uses the setup */
1733 /* from file as long as we do not switch variant */
1734 if(!blackPlaysFirst) {
1735 startedFromPositionFile = TRUE;
1736 CopyBoard(filePosition, boards[0]);
1739 if (initialMode == AnalyzeMode) {
1740 if (appData.noChessProgram) {
1741 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1744 if (appData.icsActive) {
1745 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1749 } else if (initialMode == AnalyzeFile) {
1750 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1751 ShowThinkingEvent();
1753 AnalysisPeriodicEvent(1);
1754 } else if (initialMode == MachinePlaysWhite) {
1755 if (appData.noChessProgram) {
1756 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1760 if (appData.icsActive) {
1761 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1765 MachineWhiteEvent();
1766 } else if (initialMode == MachinePlaysBlack) {
1767 if (appData.noChessProgram) {
1768 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1772 if (appData.icsActive) {
1773 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1777 MachineBlackEvent();
1778 } else if (initialMode == TwoMachinesPlay) {
1779 if (appData.noChessProgram) {
1780 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1784 if (appData.icsActive) {
1785 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1790 } else if (initialMode == EditGame) {
1792 } else if (initialMode == EditPosition) {
1793 EditPositionEvent();
1794 } else if (initialMode == Training) {
1795 if (*appData.loadGameFile == NULLCHAR) {
1796 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1805 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1807 DisplayBook(current+1);
1809 MoveHistorySet( movelist, first, last, current, pvInfoList );
1811 EvalGraphSet( first, last, current, pvInfoList );
1813 MakeEngineOutputTitle();
1817 * Establish will establish a contact to a remote host.port.
1818 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1819 * used to talk to the host.
1820 * Returns 0 if okay, error code if not.
1827 if (*appData.icsCommPort != NULLCHAR) {
1828 /* Talk to the host through a serial comm port */
1829 return OpenCommPort(appData.icsCommPort, &icsPR);
1831 } else if (*appData.gateway != NULLCHAR) {
1832 if (*appData.remoteShell == NULLCHAR) {
1833 /* Use the rcmd protocol to run telnet program on a gateway host */
1834 snprintf(buf, sizeof(buf), "%s %s %s",
1835 appData.telnetProgram, appData.icsHost, appData.icsPort);
1836 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1839 /* Use the rsh program to run telnet program on a gateway host */
1840 if (*appData.remoteUser == NULLCHAR) {
1841 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1842 appData.gateway, appData.telnetProgram,
1843 appData.icsHost, appData.icsPort);
1845 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1846 appData.remoteShell, appData.gateway,
1847 appData.remoteUser, appData.telnetProgram,
1848 appData.icsHost, appData.icsPort);
1850 return StartChildProcess(buf, "", &icsPR);
1853 } else if (appData.useTelnet) {
1854 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1857 /* TCP socket interface differs somewhat between
1858 Unix and NT; handle details in the front end.
1860 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1865 EscapeExpand (char *p, char *q)
1866 { // [HGM] initstring: routine to shape up string arguments
1867 while(*p++ = *q++) if(p[-1] == '\\')
1869 case 'n': p[-1] = '\n'; break;
1870 case 'r': p[-1] = '\r'; break;
1871 case 't': p[-1] = '\t'; break;
1872 case '\\': p[-1] = '\\'; break;
1873 case 0: *p = 0; return;
1874 default: p[-1] = q[-1]; break;
1879 show_bytes (FILE *fp, char *buf, int count)
1882 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1883 fprintf(fp, "\\%03o", *buf & 0xff);
1892 /* Returns an errno value */
1894 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1896 char buf[8192], *p, *q, *buflim;
1897 int left, newcount, outcount;
1899 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1900 *appData.gateway != NULLCHAR) {
1901 if (appData.debugMode) {
1902 fprintf(debugFP, ">ICS: ");
1903 show_bytes(debugFP, message, count);
1904 fprintf(debugFP, "\n");
1906 return OutputToProcess(pr, message, count, outError);
1909 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1916 if (appData.debugMode) {
1917 fprintf(debugFP, ">ICS: ");
1918 show_bytes(debugFP, buf, newcount);
1919 fprintf(debugFP, "\n");
1921 outcount = OutputToProcess(pr, buf, newcount, outError);
1922 if (outcount < newcount) return -1; /* to be sure */
1929 } else if (((unsigned char) *p) == TN_IAC) {
1930 *q++ = (char) TN_IAC;
1937 if (appData.debugMode) {
1938 fprintf(debugFP, ">ICS: ");
1939 show_bytes(debugFP, buf, newcount);
1940 fprintf(debugFP, "\n");
1942 outcount = OutputToProcess(pr, buf, newcount, outError);
1943 if (outcount < newcount) return -1; /* to be sure */
1948 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1950 int outError, outCount;
1951 static int gotEof = 0;
1954 /* Pass data read from player on to ICS */
1957 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1958 if (outCount < count) {
1959 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1961 if(have_sent_ICS_logon == 2) {
1962 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1963 fprintf(ini, "%s", message);
1964 have_sent_ICS_logon = 3;
1966 have_sent_ICS_logon = 1;
1967 } else if(have_sent_ICS_logon == 3) {
1968 fprintf(ini, "%s", message);
1970 have_sent_ICS_logon = 1;
1972 } else if (count < 0) {
1973 RemoveInputSource(isr);
1974 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1975 } else if (gotEof++ > 0) {
1976 RemoveInputSource(isr);
1977 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1983 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1984 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1985 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1986 SendToICS("date\n");
1987 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1990 /* added routine for printf style output to ics */
1992 ics_printf (char *format, ...)
1994 char buffer[MSG_SIZ];
1997 va_start(args, format);
1998 vsnprintf(buffer, sizeof(buffer), format, args);
1999 buffer[sizeof(buffer)-1] = '\0';
2007 int count, outCount, outError;
2009 if (icsPR == NoProc) return;
2012 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2013 if (outCount < count) {
2014 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2018 /* This is used for sending logon scripts to the ICS. Sending
2019 without a delay causes problems when using timestamp on ICC
2020 (at least on my machine). */
2022 SendToICSDelayed (char *s, long msdelay)
2024 int count, outCount, outError;
2026 if (icsPR == NoProc) return;
2029 if (appData.debugMode) {
2030 fprintf(debugFP, ">ICS: ");
2031 show_bytes(debugFP, s, count);
2032 fprintf(debugFP, "\n");
2034 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2036 if (outCount < count) {
2037 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2042 /* Remove all highlighting escape sequences in s
2043 Also deletes any suffix starting with '('
2046 StripHighlightAndTitle (char *s)
2048 static char retbuf[MSG_SIZ];
2051 while (*s != NULLCHAR) {
2052 while (*s == '\033') {
2053 while (*s != NULLCHAR && !isalpha(*s)) s++;
2054 if (*s != NULLCHAR) s++;
2056 while (*s != NULLCHAR && *s != '\033') {
2057 if (*s == '(' || *s == '[') {
2068 /* Remove all highlighting escape sequences in s */
2070 StripHighlight (char *s)
2072 static char retbuf[MSG_SIZ];
2075 while (*s != NULLCHAR) {
2076 while (*s == '\033') {
2077 while (*s != NULLCHAR && !isalpha(*s)) s++;
2078 if (*s != NULLCHAR) s++;
2080 while (*s != NULLCHAR && *s != '\033') {
2088 char engineVariant[MSG_SIZ];
2089 char *variantNames[] = VARIANT_NAMES;
2091 VariantName (VariantClass v)
2093 if(v == VariantUnknown || *engineVariant) return engineVariant;
2094 return variantNames[v];
2098 /* Identify a variant from the strings the chess servers use or the
2099 PGN Variant tag names we use. */
2101 StringToVariant (char *e)
2105 VariantClass v = VariantNormal;
2106 int i, found = FALSE;
2112 /* [HGM] skip over optional board-size prefixes */
2113 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2114 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2115 while( *e++ != '_');
2118 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2122 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2123 if (p = StrCaseStr(e, variantNames[i])) {
2124 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2125 v = (VariantClass) i;
2132 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2133 || StrCaseStr(e, "wild/fr")
2134 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2135 v = VariantFischeRandom;
2136 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2137 (i = 1, p = StrCaseStr(e, "w"))) {
2139 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2146 case 0: /* FICS only, actually */
2148 /* Castling legal even if K starts on d-file */
2149 v = VariantWildCastle;
2154 /* Castling illegal even if K & R happen to start in
2155 normal positions. */
2156 v = VariantNoCastle;
2169 /* Castling legal iff K & R start in normal positions */
2175 /* Special wilds for position setup; unclear what to do here */
2176 v = VariantLoadable;
2179 /* Bizarre ICC game */
2180 v = VariantTwoKings;
2183 v = VariantKriegspiel;
2189 v = VariantFischeRandom;
2192 v = VariantCrazyhouse;
2195 v = VariantBughouse;
2201 /* Not quite the same as FICS suicide! */
2202 v = VariantGiveaway;
2208 v = VariantShatranj;
2211 /* Temporary names for future ICC types. The name *will* change in
2212 the next xboard/WinBoard release after ICC defines it. */
2250 v = VariantCapablanca;
2253 v = VariantKnightmate;
2259 v = VariantCylinder;
2265 v = VariantCapaRandom;
2268 v = VariantBerolina;
2280 /* Found "wild" or "w" in the string but no number;
2281 must assume it's normal chess. */
2285 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2286 if( (len >= MSG_SIZ) && appData.debugMode )
2287 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2289 DisplayError(buf, 0);
2295 if (appData.debugMode) {
2296 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2297 e, wnum, VariantName(v));
2302 static int leftover_start = 0, leftover_len = 0;
2303 char star_match[STAR_MATCH_N][MSG_SIZ];
2305 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2306 advance *index beyond it, and set leftover_start to the new value of
2307 *index; else return FALSE. If pattern contains the character '*', it
2308 matches any sequence of characters not containing '\r', '\n', or the
2309 character following the '*' (if any), and the matched sequence(s) are
2310 copied into star_match.
2313 looking_at ( char *buf, int *index, char *pattern)
2315 char *bufp = &buf[*index], *patternp = pattern;
2317 char *matchp = star_match[0];
2320 if (*patternp == NULLCHAR) {
2321 *index = leftover_start = bufp - buf;
2325 if (*bufp == NULLCHAR) return FALSE;
2326 if (*patternp == '*') {
2327 if (*bufp == *(patternp + 1)) {
2329 matchp = star_match[++star_count];
2333 } else if (*bufp == '\n' || *bufp == '\r') {
2335 if (*patternp == NULLCHAR)
2340 *matchp++ = *bufp++;
2344 if (*patternp != *bufp) return FALSE;
2351 SendToPlayer (char *data, int length)
2353 int error, outCount;
2354 outCount = OutputToProcess(NoProc, data, length, &error);
2355 if (outCount < length) {
2356 DisplayFatalError(_("Error writing to display"), error, 1);
2361 PackHolding (char packed[], char *holding)
2371 switch (runlength) {
2382 sprintf(q, "%d", runlength);
2394 /* Telnet protocol requests from the front end */
2396 TelnetRequest (unsigned char ddww, unsigned char option)
2398 unsigned char msg[3];
2399 int outCount, outError;
2401 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2403 if (appData.debugMode) {
2404 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2420 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2429 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2432 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2437 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2439 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2446 if (!appData.icsActive) return;
2447 TelnetRequest(TN_DO, TN_ECHO);
2453 if (!appData.icsActive) return;
2454 TelnetRequest(TN_DONT, TN_ECHO);
2458 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2460 /* put the holdings sent to us by the server on the board holdings area */
2461 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2465 if(gameInfo.holdingsWidth < 2) return;
2466 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2467 return; // prevent overwriting by pre-board holdings
2469 if( (int)lowestPiece >= BlackPawn ) {
2472 holdingsStartRow = BOARD_HEIGHT-1;
2475 holdingsColumn = BOARD_WIDTH-1;
2476 countsColumn = BOARD_WIDTH-2;
2477 holdingsStartRow = 0;
2481 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2482 board[i][holdingsColumn] = EmptySquare;
2483 board[i][countsColumn] = (ChessSquare) 0;
2485 while( (p=*holdings++) != NULLCHAR ) {
2486 piece = CharToPiece( ToUpper(p) );
2487 if(piece == EmptySquare) continue;
2488 /*j = (int) piece - (int) WhitePawn;*/
2489 j = PieceToNumber(piece);
2490 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2491 if(j < 0) continue; /* should not happen */
2492 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2493 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2494 board[holdingsStartRow+j*direction][countsColumn]++;
2500 VariantSwitch (Board board, VariantClass newVariant)
2502 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2503 static Board oldBoard;
2505 startedFromPositionFile = FALSE;
2506 if(gameInfo.variant == newVariant) return;
2508 /* [HGM] This routine is called each time an assignment is made to
2509 * gameInfo.variant during a game, to make sure the board sizes
2510 * are set to match the new variant. If that means adding or deleting
2511 * holdings, we shift the playing board accordingly
2512 * This kludge is needed because in ICS observe mode, we get boards
2513 * of an ongoing game without knowing the variant, and learn about the
2514 * latter only later. This can be because of the move list we requested,
2515 * in which case the game history is refilled from the beginning anyway,
2516 * but also when receiving holdings of a crazyhouse game. In the latter
2517 * case we want to add those holdings to the already received position.
2521 if (appData.debugMode) {
2522 fprintf(debugFP, "Switch board from %s to %s\n",
2523 VariantName(gameInfo.variant), VariantName(newVariant));
2524 setbuf(debugFP, NULL);
2526 shuffleOpenings = 0; /* [HGM] shuffle */
2527 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2531 newWidth = 9; newHeight = 9;
2532 gameInfo.holdingsSize = 7;
2533 case VariantBughouse:
2534 case VariantCrazyhouse:
2535 newHoldingsWidth = 2; break;
2539 newHoldingsWidth = 2;
2540 gameInfo.holdingsSize = 8;
2543 case VariantCapablanca:
2544 case VariantCapaRandom:
2547 newHoldingsWidth = gameInfo.holdingsSize = 0;
2550 if(newWidth != gameInfo.boardWidth ||
2551 newHeight != gameInfo.boardHeight ||
2552 newHoldingsWidth != gameInfo.holdingsWidth ) {
2554 /* shift position to new playing area, if needed */
2555 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2556 for(i=0; i<BOARD_HEIGHT; i++)
2557 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2558 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2560 for(i=0; i<newHeight; i++) {
2561 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2562 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2564 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2565 for(i=0; i<BOARD_HEIGHT; i++)
2566 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2567 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2570 board[HOLDINGS_SET] = 0;
2571 gameInfo.boardWidth = newWidth;
2572 gameInfo.boardHeight = newHeight;
2573 gameInfo.holdingsWidth = newHoldingsWidth;
2574 gameInfo.variant = newVariant;
2575 InitDrawingSizes(-2, 0);
2576 } else gameInfo.variant = newVariant;
2577 CopyBoard(oldBoard, board); // remember correctly formatted board
2578 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2579 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2582 static int loggedOn = FALSE;
2584 /*-- Game start info cache: --*/
2586 char gs_kind[MSG_SIZ];
2587 static char player1Name[128] = "";
2588 static char player2Name[128] = "";
2589 static char cont_seq[] = "\n\\ ";
2590 static int player1Rating = -1;
2591 static int player2Rating = -1;
2592 /*----------------------------*/
2594 ColorClass curColor = ColorNormal;
2595 int suppressKibitz = 0;
2598 Boolean soughtPending = FALSE;
2599 Boolean seekGraphUp;
2600 #define MAX_SEEK_ADS 200
2602 char *seekAdList[MAX_SEEK_ADS];
2603 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2604 float tcList[MAX_SEEK_ADS];
2605 char colorList[MAX_SEEK_ADS];
2606 int nrOfSeekAds = 0;
2607 int minRating = 1010, maxRating = 2800;
2608 int hMargin = 10, vMargin = 20, h, w;
2609 extern int squareSize, lineGap;
2614 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2615 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2616 if(r < minRating+100 && r >=0 ) r = minRating+100;
2617 if(r > maxRating) r = maxRating;
2618 if(tc < 1.f) tc = 1.f;
2619 if(tc > 95.f) tc = 95.f;
2620 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2621 y = ((double)r - minRating)/(maxRating - minRating)
2622 * (h-vMargin-squareSize/8-1) + vMargin;
2623 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2624 if(strstr(seekAdList[i], " u ")) color = 1;
2625 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2626 !strstr(seekAdList[i], "bullet") &&
2627 !strstr(seekAdList[i], "blitz") &&
2628 !strstr(seekAdList[i], "standard") ) color = 2;
2629 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2630 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2634 PlotSingleSeekAd (int i)
2640 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2642 char buf[MSG_SIZ], *ext = "";
2643 VariantClass v = StringToVariant(type);
2644 if(strstr(type, "wild")) {
2645 ext = type + 4; // append wild number
2646 if(v == VariantFischeRandom) type = "chess960"; else
2647 if(v == VariantLoadable) type = "setup"; else
2648 type = VariantName(v);
2650 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2651 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2652 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2653 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2654 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2655 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2656 seekNrList[nrOfSeekAds] = nr;
2657 zList[nrOfSeekAds] = 0;
2658 seekAdList[nrOfSeekAds++] = StrSave(buf);
2659 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2664 EraseSeekDot (int i)
2666 int x = xList[i], y = yList[i], d=squareSize/4, k;
2667 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2668 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2669 // now replot every dot that overlapped
2670 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2671 int xx = xList[k], yy = yList[k];
2672 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2673 DrawSeekDot(xx, yy, colorList[k]);
2678 RemoveSeekAd (int nr)
2681 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2683 if(seekAdList[i]) free(seekAdList[i]);
2684 seekAdList[i] = seekAdList[--nrOfSeekAds];
2685 seekNrList[i] = seekNrList[nrOfSeekAds];
2686 ratingList[i] = ratingList[nrOfSeekAds];
2687 colorList[i] = colorList[nrOfSeekAds];
2688 tcList[i] = tcList[nrOfSeekAds];
2689 xList[i] = xList[nrOfSeekAds];
2690 yList[i] = yList[nrOfSeekAds];
2691 zList[i] = zList[nrOfSeekAds];
2692 seekAdList[nrOfSeekAds] = NULL;
2698 MatchSoughtLine (char *line)
2700 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2701 int nr, base, inc, u=0; char dummy;
2703 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2704 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2706 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2707 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2708 // match: compact and save the line
2709 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2719 if(!seekGraphUp) return FALSE;
2720 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2721 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2723 DrawSeekBackground(0, 0, w, h);
2724 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2725 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2726 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2727 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2729 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2732 snprintf(buf, MSG_SIZ, "%d", i);
2733 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2736 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2737 for(i=1; i<100; i+=(i<10?1:5)) {
2738 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2739 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2740 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2742 snprintf(buf, MSG_SIZ, "%d", i);
2743 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2746 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2751 SeekGraphClick (ClickType click, int x, int y, int moving)
2753 static int lastDown = 0, displayed = 0, lastSecond;
2754 if(y < 0) return FALSE;
2755 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2756 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2757 if(!seekGraphUp) return FALSE;
2758 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2759 DrawPosition(TRUE, NULL);
2762 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2763 if(click == Release || moving) return FALSE;
2765 soughtPending = TRUE;
2766 SendToICS(ics_prefix);
2767 SendToICS("sought\n"); // should this be "sought all"?
2768 } else { // issue challenge based on clicked ad
2769 int dist = 10000; int i, closest = 0, second = 0;
2770 for(i=0; i<nrOfSeekAds; i++) {
2771 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2772 if(d < dist) { dist = d; closest = i; }
2773 second += (d - zList[i] < 120); // count in-range ads
2774 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2778 second = (second > 1);
2779 if(displayed != closest || second != lastSecond) {
2780 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2781 lastSecond = second; displayed = closest;
2783 if(click == Press) {
2784 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2787 } // on press 'hit', only show info
2788 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2789 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2790 SendToICS(ics_prefix);
2792 return TRUE; // let incoming board of started game pop down the graph
2793 } else if(click == Release) { // release 'miss' is ignored
2794 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2795 if(moving == 2) { // right up-click
2796 nrOfSeekAds = 0; // refresh graph
2797 soughtPending = TRUE;
2798 SendToICS(ics_prefix);
2799 SendToICS("sought\n"); // should this be "sought all"?
2802 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2803 // press miss or release hit 'pop down' seek graph
2804 seekGraphUp = FALSE;
2805 DrawPosition(TRUE, NULL);
2811 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2813 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2814 #define STARTED_NONE 0
2815 #define STARTED_MOVES 1
2816 #define STARTED_BOARD 2
2817 #define STARTED_OBSERVE 3
2818 #define STARTED_HOLDINGS 4
2819 #define STARTED_CHATTER 5
2820 #define STARTED_COMMENT 6
2821 #define STARTED_MOVES_NOHIDE 7
2823 static int started = STARTED_NONE;
2824 static char parse[20000];
2825 static int parse_pos = 0;
2826 static char buf[BUF_SIZE + 1];
2827 static int firstTime = TRUE, intfSet = FALSE;
2828 static ColorClass prevColor = ColorNormal;
2829 static int savingComment = FALSE;
2830 static int cmatch = 0; // continuation sequence match
2837 int backup; /* [DM] For zippy color lines */
2839 char talker[MSG_SIZ]; // [HGM] chat
2840 int channel, collective=0;
2842 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2844 if (appData.debugMode) {
2846 fprintf(debugFP, "<ICS: ");
2847 show_bytes(debugFP, data, count);
2848 fprintf(debugFP, "\n");
2852 if (appData.debugMode) { int f = forwardMostMove;
2853 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2854 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2855 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2858 /* If last read ended with a partial line that we couldn't parse,
2859 prepend it to the new read and try again. */
2860 if (leftover_len > 0) {
2861 for (i=0; i<leftover_len; i++)
2862 buf[i] = buf[leftover_start + i];
2865 /* copy new characters into the buffer */
2866 bp = buf + leftover_len;
2867 buf_len=leftover_len;
2868 for (i=0; i<count; i++)
2871 if (data[i] == '\r')
2874 // join lines split by ICS?
2875 if (!appData.noJoin)
2878 Joining just consists of finding matches against the
2879 continuation sequence, and discarding that sequence
2880 if found instead of copying it. So, until a match
2881 fails, there's nothing to do since it might be the
2882 complete sequence, and thus, something we don't want
2885 if (data[i] == cont_seq[cmatch])
2888 if (cmatch == strlen(cont_seq))
2890 cmatch = 0; // complete match. just reset the counter
2893 it's possible for the ICS to not include the space
2894 at the end of the last word, making our [correct]
2895 join operation fuse two separate words. the server
2896 does this when the space occurs at the width setting.
2898 if (!buf_len || buf[buf_len-1] != ' ')
2909 match failed, so we have to copy what matched before
2910 falling through and copying this character. In reality,
2911 this will only ever be just the newline character, but
2912 it doesn't hurt to be precise.
2914 strncpy(bp, cont_seq, cmatch);
2926 buf[buf_len] = NULLCHAR;
2927 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2932 while (i < buf_len) {
2933 /* Deal with part of the TELNET option negotiation
2934 protocol. We refuse to do anything beyond the
2935 defaults, except that we allow the WILL ECHO option,
2936 which ICS uses to turn off password echoing when we are
2937 directly connected to it. We reject this option
2938 if localLineEditing mode is on (always on in xboard)
2939 and we are talking to port 23, which might be a real
2940 telnet server that will try to keep WILL ECHO on permanently.
2942 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2943 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2944 unsigned char option;
2946 switch ((unsigned char) buf[++i]) {
2948 if (appData.debugMode)
2949 fprintf(debugFP, "\n<WILL ");
2950 switch (option = (unsigned char) buf[++i]) {
2952 if (appData.debugMode)
2953 fprintf(debugFP, "ECHO ");
2954 /* Reply only if this is a change, according
2955 to the protocol rules. */
2956 if (remoteEchoOption) break;
2957 if (appData.localLineEditing &&
2958 atoi(appData.icsPort) == TN_PORT) {
2959 TelnetRequest(TN_DONT, TN_ECHO);
2962 TelnetRequest(TN_DO, TN_ECHO);
2963 remoteEchoOption = TRUE;
2967 if (appData.debugMode)
2968 fprintf(debugFP, "%d ", option);
2969 /* Whatever this is, we don't want it. */
2970 TelnetRequest(TN_DONT, option);
2975 if (appData.debugMode)
2976 fprintf(debugFP, "\n<WONT ");
2977 switch (option = (unsigned char) buf[++i]) {
2979 if (appData.debugMode)
2980 fprintf(debugFP, "ECHO ");
2981 /* Reply only if this is a change, according
2982 to the protocol rules. */
2983 if (!remoteEchoOption) break;
2985 TelnetRequest(TN_DONT, TN_ECHO);
2986 remoteEchoOption = FALSE;
2989 if (appData.debugMode)
2990 fprintf(debugFP, "%d ", (unsigned char) option);
2991 /* Whatever this is, it must already be turned
2992 off, because we never agree to turn on
2993 anything non-default, so according to the
2994 protocol rules, we don't reply. */
2999 if (appData.debugMode)
3000 fprintf(debugFP, "\n<DO ");
3001 switch (option = (unsigned char) buf[++i]) {
3003 /* Whatever this is, we refuse to do it. */
3004 if (appData.debugMode)
3005 fprintf(debugFP, "%d ", option);
3006 TelnetRequest(TN_WONT, option);
3011 if (appData.debugMode)
3012 fprintf(debugFP, "\n<DONT ");
3013 switch (option = (unsigned char) buf[++i]) {
3015 if (appData.debugMode)
3016 fprintf(debugFP, "%d ", option);
3017 /* Whatever this is, we are already not doing
3018 it, because we never agree to do anything
3019 non-default, so according to the protocol
3020 rules, we don't reply. */
3025 if (appData.debugMode)
3026 fprintf(debugFP, "\n<IAC ");
3027 /* Doubled IAC; pass it through */
3031 if (appData.debugMode)
3032 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3033 /* Drop all other telnet commands on the floor */
3036 if (oldi > next_out)
3037 SendToPlayer(&buf[next_out], oldi - next_out);
3043 /* OK, this at least will *usually* work */
3044 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3048 if (loggedOn && !intfSet) {
3049 if (ics_type == ICS_ICC) {
3050 snprintf(str, MSG_SIZ,
3051 "/set-quietly interface %s\n/set-quietly style 12\n",
3053 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3054 strcat(str, "/set-2 51 1\n/set seek 1\n");
3055 } else if (ics_type == ICS_CHESSNET) {
3056 snprintf(str, MSG_SIZ, "/style 12\n");
3058 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3059 strcat(str, programVersion);
3060 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3064 strcat(str, "$iset nohighlight 1\n");
3066 strcat(str, "$iset lock 1\n$style 12\n");
3069 NotifyFrontendLogin();
3073 if (started == STARTED_COMMENT) {
3074 /* Accumulate characters in comment */
3075 parse[parse_pos++] = buf[i];
3076 if (buf[i] == '\n') {
3077 parse[parse_pos] = NULLCHAR;
3078 if(chattingPartner>=0) {
3080 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3081 OutputChatMessage(chattingPartner, mess);
3082 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3084 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3085 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3086 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3087 OutputChatMessage(p, mess);
3091 chattingPartner = -1;
3092 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3095 if(!suppressKibitz) // [HGM] kibitz
3096 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3097 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3098 int nrDigit = 0, nrAlph = 0, j;
3099 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3100 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3101 parse[parse_pos] = NULLCHAR;
3102 // try to be smart: if it does not look like search info, it should go to
3103 // ICS interaction window after all, not to engine-output window.
3104 for(j=0; j<parse_pos; j++) { // count letters and digits
3105 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3106 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3107 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3109 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3110 int depth=0; float score;
3111 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3112 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3113 pvInfoList[forwardMostMove-1].depth = depth;
3114 pvInfoList[forwardMostMove-1].score = 100*score;
3116 OutputKibitz(suppressKibitz, parse);
3119 if(gameMode == IcsObserving) // restore original ICS messages
3120 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3121 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3123 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3124 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3125 SendToPlayer(tmp, strlen(tmp));
3127 next_out = i+1; // [HGM] suppress printing in ICS window
3129 started = STARTED_NONE;
3131 /* Don't match patterns against characters in comment */
3136 if (started == STARTED_CHATTER) {
3137 if (buf[i] != '\n') {
3138 /* Don't match patterns against characters in chatter */
3142 started = STARTED_NONE;
3143 if(suppressKibitz) next_out = i+1;
3146 /* Kludge to deal with rcmd protocol */
3147 if (firstTime && looking_at(buf, &i, "\001*")) {
3148 DisplayFatalError(&buf[1], 0, 1);
3154 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3157 if (appData.debugMode)
3158 fprintf(debugFP, "ics_type %d\n", ics_type);
3161 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3162 ics_type = ICS_FICS;
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3168 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3169 ics_type = ICS_CHESSNET;
3171 if (appData.debugMode)
3172 fprintf(debugFP, "ics_type %d\n", ics_type);
3177 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3178 looking_at(buf, &i, "Logging you in as \"*\"") ||
3179 looking_at(buf, &i, "will be \"*\""))) {
3180 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3184 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3186 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3187 DisplayIcsInteractionTitle(buf);
3188 have_set_title = TRUE;
3191 /* skip finger notes */
3192 if (started == STARTED_NONE &&
3193 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3194 (buf[i] == '1' && buf[i+1] == '0')) &&
3195 buf[i+2] == ':' && buf[i+3] == ' ') {
3196 started = STARTED_CHATTER;
3202 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3203 if(appData.seekGraph) {
3204 if(soughtPending && MatchSoughtLine(buf+i)) {
3205 i = strstr(buf+i, "rated") - buf;
3206 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3207 next_out = leftover_start = i;
3208 started = STARTED_CHATTER;
3209 suppressKibitz = TRUE;
3212 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3213 && looking_at(buf, &i, "* ads displayed")) {
3214 soughtPending = FALSE;
3219 if(appData.autoRefresh) {
3220 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3221 int s = (ics_type == ICS_ICC); // ICC format differs
3223 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3224 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3225 looking_at(buf, &i, "*% "); // eat prompt
3226 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3227 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3228 next_out = i; // suppress
3231 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3232 char *p = star_match[0];
3234 if(seekGraphUp) RemoveSeekAd(atoi(p));
3235 while(*p && *p++ != ' '); // next
3237 looking_at(buf, &i, "*% "); // eat prompt
3238 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3245 /* skip formula vars */
3246 if (started == STARTED_NONE &&
3247 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3248 started = STARTED_CHATTER;
3253 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3254 if (appData.autoKibitz && started == STARTED_NONE &&
3255 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3256 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3257 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3258 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3259 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3260 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3261 suppressKibitz = TRUE;
3262 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3264 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3265 && (gameMode == IcsPlayingWhite)) ||
3266 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3267 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3268 started = STARTED_CHATTER; // own kibitz we simply discard
3270 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3271 parse_pos = 0; parse[0] = NULLCHAR;
3272 savingComment = TRUE;
3273 suppressKibitz = gameMode != IcsObserving ? 2 :
3274 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3278 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3279 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3280 && atoi(star_match[0])) {
3281 // suppress the acknowledgements of our own autoKibitz
3283 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3284 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3285 SendToPlayer(star_match[0], strlen(star_match[0]));
3286 if(looking_at(buf, &i, "*% ")) // eat prompt
3287 suppressKibitz = FALSE;
3291 } // [HGM] kibitz: end of patch
3293 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3295 // [HGM] chat: intercept tells by users for which we have an open chat window
3297 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3298 looking_at(buf, &i, "* whispers:") ||
3299 looking_at(buf, &i, "* kibitzes:") ||
3300 looking_at(buf, &i, "* shouts:") ||
3301 looking_at(buf, &i, "* c-shouts:") ||
3302 looking_at(buf, &i, "--> * ") ||
3303 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3304 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3305 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3306 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3308 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3309 chattingPartner = -1; collective = 0;
3311 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3312 for(p=0; p<MAX_CHAT; p++) {
3314 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3315 talker[0] = '['; strcat(talker, "] ");
3316 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3317 chattingPartner = p; break;
3320 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3321 for(p=0; p<MAX_CHAT; p++) {
3323 if(!strcmp("kibitzes", chatPartner[p])) {
3324 talker[0] = '['; strcat(talker, "] ");
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("whispers", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3337 if(buf[i-8] == '-' && buf[i-3] == 't')
3338 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3340 if(!strcmp("c-shouts", chatPartner[p])) {
3341 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3342 chattingPartner = p; break;
3345 if(chattingPartner < 0)
3346 for(p=0; p<MAX_CHAT; p++) {
3348 if(!strcmp("shouts", chatPartner[p])) {
3349 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3350 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3351 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3352 chattingPartner = p; break;
3356 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3357 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3359 Colorize(ColorTell, FALSE);
3360 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3362 chattingPartner = p; break;
3364 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3365 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3366 started = STARTED_COMMENT;
3367 parse_pos = 0; parse[0] = NULLCHAR;
3368 savingComment = 3 + chattingPartner; // counts as TRUE
3369 if(collective == 3) i = oldi; else {
3370 suppressKibitz = TRUE;
3371 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3372 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3376 } // [HGM] chat: end of patch
3379 if (appData.zippyTalk || appData.zippyPlay) {
3380 /* [DM] Backup address for color zippy lines */
3382 if (loggedOn == TRUE)
3383 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3384 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3386 } // [DM] 'else { ' deleted
3388 /* Regular tells and says */
3389 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3390 looking_at(buf, &i, "* (your partner) tells you: ") ||
3391 looking_at(buf, &i, "* says: ") ||
3392 /* Don't color "message" or "messages" output */
3393 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3394 looking_at(buf, &i, "*. * at *:*: ") ||
3395 looking_at(buf, &i, "--* (*:*): ") ||
3396 /* Message notifications (same color as tells) */
3397 looking_at(buf, &i, "* has left a message ") ||
3398 looking_at(buf, &i, "* just sent you a message:\n") ||
3399 /* Whispers and kibitzes */
3400 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3401 looking_at(buf, &i, "* kibitzes: ") ||
3403 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3405 if (tkind == 1 && strchr(star_match[0], ':')) {
3406 /* Avoid "tells you:" spoofs in channels */
3409 if (star_match[0][0] == NULLCHAR ||
3410 strchr(star_match[0], ' ') ||
3411 (tkind == 3 && strchr(star_match[1], ' '))) {
3412 /* Reject bogus matches */
3415 if (appData.colorize) {
3416 if (oldi > next_out) {
3417 SendToPlayer(&buf[next_out], oldi - next_out);
3422 Colorize(ColorTell, FALSE);
3423 curColor = ColorTell;
3426 Colorize(ColorKibitz, FALSE);
3427 curColor = ColorKibitz;
3430 p = strrchr(star_match[1], '(');
3437 Colorize(ColorChannel1, FALSE);
3438 curColor = ColorChannel1;
3440 Colorize(ColorChannel, FALSE);
3441 curColor = ColorChannel;
3445 curColor = ColorNormal;
3449 if (started == STARTED_NONE && appData.autoComment &&
3450 (gameMode == IcsObserving ||
3451 gameMode == IcsPlayingWhite ||
3452 gameMode == IcsPlayingBlack)) {
3453 parse_pos = i - oldi;
3454 memcpy(parse, &buf[oldi], parse_pos);
3455 parse[parse_pos] = NULLCHAR;
3456 started = STARTED_COMMENT;
3457 savingComment = TRUE;
3458 } else if(collective != 3) {
3459 started = STARTED_CHATTER;
3460 savingComment = FALSE;
3467 if (looking_at(buf, &i, "* s-shouts: ") ||
3468 looking_at(buf, &i, "* c-shouts: ")) {
3469 if (appData.colorize) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 Colorize(ColorSShout, FALSE);
3475 curColor = ColorSShout;
3478 started = STARTED_CHATTER;
3482 if (looking_at(buf, &i, "--->")) {
3487 if (looking_at(buf, &i, "* shouts: ") ||
3488 looking_at(buf, &i, "--> ")) {
3489 if (appData.colorize) {
3490 if (oldi > next_out) {
3491 SendToPlayer(&buf[next_out], oldi - next_out);
3494 Colorize(ColorShout, FALSE);
3495 curColor = ColorShout;
3498 started = STARTED_CHATTER;
3502 if (looking_at( buf, &i, "Challenge:")) {
3503 if (appData.colorize) {
3504 if (oldi > next_out) {
3505 SendToPlayer(&buf[next_out], oldi - next_out);
3508 Colorize(ColorChallenge, FALSE);
3509 curColor = ColorChallenge;
3515 if (looking_at(buf, &i, "* offers you") ||
3516 looking_at(buf, &i, "* offers to be") ||
3517 looking_at(buf, &i, "* would like to") ||
3518 looking_at(buf, &i, "* requests to") ||
3519 looking_at(buf, &i, "Your opponent offers") ||
3520 looking_at(buf, &i, "Your opponent requests")) {
3522 if (appData.colorize) {
3523 if (oldi > next_out) {
3524 SendToPlayer(&buf[next_out], oldi - next_out);
3527 Colorize(ColorRequest, FALSE);
3528 curColor = ColorRequest;
3533 if (looking_at(buf, &i, "* (*) seeking")) {
3534 if (appData.colorize) {
3535 if (oldi > next_out) {
3536 SendToPlayer(&buf[next_out], oldi - next_out);
3539 Colorize(ColorSeek, FALSE);
3540 curColor = ColorSeek;
3545 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3547 if (looking_at(buf, &i, "\\ ")) {
3548 if (prevColor != ColorNormal) {
3549 if (oldi > next_out) {
3550 SendToPlayer(&buf[next_out], oldi - next_out);
3553 Colorize(prevColor, TRUE);
3554 curColor = prevColor;
3556 if (savingComment) {
3557 parse_pos = i - oldi;
3558 memcpy(parse, &buf[oldi], parse_pos);
3559 parse[parse_pos] = NULLCHAR;
3560 started = STARTED_COMMENT;
3561 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3562 chattingPartner = savingComment - 3; // kludge to remember the box
3564 started = STARTED_CHATTER;
3569 if (looking_at(buf, &i, "Black Strength :") ||
3570 looking_at(buf, &i, "<<< style 10 board >>>") ||
3571 looking_at(buf, &i, "<10>") ||
3572 looking_at(buf, &i, "#@#")) {
3573 /* Wrong board style */
3575 SendToICS(ics_prefix);
3576 SendToICS("set style 12\n");
3577 SendToICS(ics_prefix);
3578 SendToICS("refresh\n");
3582 if (looking_at(buf, &i, "login:")) {
3583 if (!have_sent_ICS_logon) {
3585 have_sent_ICS_logon = 1;
3586 else // no init script was found
3587 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3588 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3589 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3594 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3595 (looking_at(buf, &i, "\n<12> ") ||
3596 looking_at(buf, &i, "<12> "))) {
3598 if (oldi > next_out) {
3599 SendToPlayer(&buf[next_out], oldi - next_out);
3602 started = STARTED_BOARD;
3607 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3608 looking_at(buf, &i, "<b1> ")) {
3609 if (oldi > next_out) {
3610 SendToPlayer(&buf[next_out], oldi - next_out);
3613 started = STARTED_HOLDINGS;
3618 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3620 /* Header for a move list -- first line */
3622 switch (ics_getting_history) {
3626 case BeginningOfGame:
3627 /* User typed "moves" or "oldmoves" while we
3628 were idle. Pretend we asked for these
3629 moves and soak them up so user can step
3630 through them and/or save them.
3633 gameMode = IcsObserving;
3636 ics_getting_history = H_GOT_UNREQ_HEADER;
3638 case EditGame: /*?*/
3639 case EditPosition: /*?*/
3640 /* Should above feature work in these modes too? */
3641 /* For now it doesn't */
3642 ics_getting_history = H_GOT_UNWANTED_HEADER;
3645 ics_getting_history = H_GOT_UNWANTED_HEADER;
3650 /* Is this the right one? */
3651 if (gameInfo.white && gameInfo.black &&
3652 strcmp(gameInfo.white, star_match[0]) == 0 &&
3653 strcmp(gameInfo.black, star_match[2]) == 0) {
3655 ics_getting_history = H_GOT_REQ_HEADER;
3658 case H_GOT_REQ_HEADER:
3659 case H_GOT_UNREQ_HEADER:
3660 case H_GOT_UNWANTED_HEADER:
3661 case H_GETTING_MOVES:
3662 /* Should not happen */
3663 DisplayError(_("Error gathering move list: two headers"), 0);
3664 ics_getting_history = H_FALSE;
3668 /* Save player ratings into gameInfo if needed */
3669 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3670 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3671 (gameInfo.whiteRating == -1 ||
3672 gameInfo.blackRating == -1)) {
3674 gameInfo.whiteRating = string_to_rating(star_match[1]);
3675 gameInfo.blackRating = string_to_rating(star_match[3]);
3676 if (appData.debugMode)
3677 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3678 gameInfo.whiteRating, gameInfo.blackRating);
3683 if (looking_at(buf, &i,
3684 "* * match, initial time: * minute*, increment: * second")) {
3685 /* Header for a move list -- second line */
3686 /* Initial board will follow if this is a wild game */
3687 if (gameInfo.event != NULL) free(gameInfo.event);
3688 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3689 gameInfo.event = StrSave(str);
3690 /* [HGM] we switched variant. Translate boards if needed. */
3691 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3695 if (looking_at(buf, &i, "Move ")) {
3696 /* Beginning of a move list */
3697 switch (ics_getting_history) {
3699 /* Normally should not happen */
3700 /* Maybe user hit reset while we were parsing */
3703 /* Happens if we are ignoring a move list that is not
3704 * the one we just requested. Common if the user
3705 * tries to observe two games without turning off
3708 case H_GETTING_MOVES:
3709 /* Should not happen */
3710 DisplayError(_("Error gathering move list: nested"), 0);
3711 ics_getting_history = H_FALSE;
3713 case H_GOT_REQ_HEADER:
3714 ics_getting_history = H_GETTING_MOVES;
3715 started = STARTED_MOVES;
3717 if (oldi > next_out) {
3718 SendToPlayer(&buf[next_out], oldi - next_out);
3721 case H_GOT_UNREQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES_NOHIDE;
3726 case H_GOT_UNWANTED_HEADER:
3727 ics_getting_history = H_FALSE;
3733 if (looking_at(buf, &i, "% ") ||
3734 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3735 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3736 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3737 soughtPending = FALSE;
3741 if(suppressKibitz) next_out = i;
3742 savingComment = FALSE;
3746 case STARTED_MOVES_NOHIDE:
3747 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3748 parse[parse_pos + i - oldi] = NULLCHAR;
3749 ParseGameHistory(parse);
3751 if (appData.zippyPlay && first.initDone) {
3752 FeedMovesToProgram(&first, forwardMostMove);
3753 if (gameMode == IcsPlayingWhite) {
3754 if (WhiteOnMove(forwardMostMove)) {
3755 if (first.sendTime) {
3756 if (first.useColors) {
3757 SendToProgram("black\n", &first);
3759 SendTimeRemaining(&first, TRUE);
3761 if (first.useColors) {
3762 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3764 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3765 first.maybeThinking = TRUE;
3767 if (first.usePlayother) {
3768 if (first.sendTime) {
3769 SendTimeRemaining(&first, TRUE);
3771 SendToProgram("playother\n", &first);
3777 } else if (gameMode == IcsPlayingBlack) {
3778 if (!WhiteOnMove(forwardMostMove)) {
3779 if (first.sendTime) {
3780 if (first.useColors) {
3781 SendToProgram("white\n", &first);
3783 SendTimeRemaining(&first, FALSE);
3785 if (first.useColors) {
3786 SendToProgram("black\n", &first);
3788 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3789 first.maybeThinking = TRUE;
3791 if (first.usePlayother) {
3792 if (first.sendTime) {
3793 SendTimeRemaining(&first, FALSE);
3795 SendToProgram("playother\n", &first);
3804 if (gameMode == IcsObserving && ics_gamenum == -1) {
3805 /* Moves came from oldmoves or moves command
3806 while we weren't doing anything else.
3808 currentMove = forwardMostMove;
3809 ClearHighlights();/*!!could figure this out*/
3810 flipView = appData.flipView;
3811 DrawPosition(TRUE, boards[currentMove]);
3812 DisplayBothClocks();
3813 snprintf(str, MSG_SIZ, "%s %s %s",
3814 gameInfo.white, _("vs."), gameInfo.black);
3818 /* Moves were history of an active game */
3819 if (gameInfo.resultDetails != NULL) {
3820 free(gameInfo.resultDetails);
3821 gameInfo.resultDetails = NULL;
3824 HistorySet(parseList, backwardMostMove,
3825 forwardMostMove, currentMove-1);
3826 DisplayMove(currentMove - 1);
3827 if (started == STARTED_MOVES) next_out = i;
3828 started = STARTED_NONE;
3829 ics_getting_history = H_FALSE;
3832 case STARTED_OBSERVE:
3833 started = STARTED_NONE;
3834 SendToICS(ics_prefix);
3835 SendToICS("refresh\n");
3841 if(bookHit) { // [HGM] book: simulate book reply
3842 static char bookMove[MSG_SIZ]; // a bit generous?
3844 programStats.nodes = programStats.depth = programStats.time =
3845 programStats.score = programStats.got_only_move = 0;
3846 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3848 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3849 strcat(bookMove, bookHit);
3850 HandleMachineMove(bookMove, &first);
3855 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3856 started == STARTED_HOLDINGS ||
3857 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3858 /* Accumulate characters in move list or board */
3859 parse[parse_pos++] = buf[i];
3862 /* Start of game messages. Mostly we detect start of game
3863 when the first board image arrives. On some versions
3864 of the ICS, though, we need to do a "refresh" after starting
3865 to observe in order to get the current board right away. */
3866 if (looking_at(buf, &i, "Adding game * to observation list")) {
3867 started = STARTED_OBSERVE;
3871 /* Handle auto-observe */
3872 if (appData.autoObserve &&
3873 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3874 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3876 /* Choose the player that was highlighted, if any. */
3877 if (star_match[0][0] == '\033' ||
3878 star_match[1][0] != '\033') {
3879 player = star_match[0];
3881 player = star_match[2];
3883 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3884 ics_prefix, StripHighlightAndTitle(player));
3887 /* Save ratings from notify string */
3888 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3889 player1Rating = string_to_rating(star_match[1]);
3890 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3891 player2Rating = string_to_rating(star_match[3]);
3893 if (appData.debugMode)
3895 "Ratings from 'Game notification:' %s %d, %s %d\n",
3896 player1Name, player1Rating,
3897 player2Name, player2Rating);
3902 /* Deal with automatic examine mode after a game,
3903 and with IcsObserving -> IcsExamining transition */
3904 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3905 looking_at(buf, &i, "has made you an examiner of game *")) {
3907 int gamenum = atoi(star_match[0]);
3908 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3909 gamenum == ics_gamenum) {
3910 /* We were already playing or observing this game;
3911 no need to refetch history */
3912 gameMode = IcsExamining;
3914 pauseExamForwardMostMove = forwardMostMove;
3915 } else if (currentMove < forwardMostMove) {
3916 ForwardInner(forwardMostMove);
3919 /* I don't think this case really can happen */
3920 SendToICS(ics_prefix);
3921 SendToICS("refresh\n");
3926 /* Error messages */
3927 // if (ics_user_moved) {
3928 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3929 if (looking_at(buf, &i, "Illegal move") ||
3930 looking_at(buf, &i, "Not a legal move") ||
3931 looking_at(buf, &i, "Your king is in check") ||
3932 looking_at(buf, &i, "It isn't your turn") ||
3933 looking_at(buf, &i, "It is not your move")) {
3935 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3936 currentMove = forwardMostMove-1;
3937 DisplayMove(currentMove - 1); /* before DMError */
3938 DrawPosition(FALSE, boards[currentMove]);
3939 SwitchClocks(forwardMostMove-1); // [HGM] race
3940 DisplayBothClocks();
3942 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3948 if (looking_at(buf, &i, "still have time") ||
3949 looking_at(buf, &i, "not out of time") ||
3950 looking_at(buf, &i, "either player is out of time") ||
3951 looking_at(buf, &i, "has timeseal; checking")) {
3952 /* We must have called his flag a little too soon */
3953 whiteFlag = blackFlag = FALSE;
3957 if (looking_at(buf, &i, "added * seconds to") ||
3958 looking_at(buf, &i, "seconds were added to")) {
3959 /* Update the clocks */
3960 SendToICS(ics_prefix);
3961 SendToICS("refresh\n");
3965 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3966 ics_clock_paused = TRUE;
3971 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3972 ics_clock_paused = FALSE;
3977 /* Grab player ratings from the Creating: message.
3978 Note we have to check for the special case when
3979 the ICS inserts things like [white] or [black]. */
3980 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3981 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3983 0 player 1 name (not necessarily white)
3985 2 empty, white, or black (IGNORED)
3986 3 player 2 name (not necessarily black)
3989 The names/ratings are sorted out when the game
3990 actually starts (below).
3992 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3993 player1Rating = string_to_rating(star_match[1]);
3994 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3995 player2Rating = string_to_rating(star_match[4]);
3997 if (appData.debugMode)
3999 "Ratings from 'Creating:' %s %d, %s %d\n",
4000 player1Name, player1Rating,
4001 player2Name, player2Rating);
4006 /* Improved generic start/end-of-game messages */
4007 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4008 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4009 /* If tkind == 0: */
4010 /* star_match[0] is the game number */
4011 /* [1] is the white player's name */
4012 /* [2] is the black player's name */
4013 /* For end-of-game: */
4014 /* [3] is the reason for the game end */
4015 /* [4] is a PGN end game-token, preceded by " " */
4016 /* For start-of-game: */
4017 /* [3] begins with "Creating" or "Continuing" */
4018 /* [4] is " *" or empty (don't care). */
4019 int gamenum = atoi(star_match[0]);
4020 char *whitename, *blackname, *why, *endtoken;
4021 ChessMove endtype = EndOfFile;
4024 whitename = star_match[1];
4025 blackname = star_match[2];
4026 why = star_match[3];
4027 endtoken = star_match[4];
4029 whitename = star_match[1];
4030 blackname = star_match[3];
4031 why = star_match[5];
4032 endtoken = star_match[6];
4035 /* Game start messages */
4036 if (strncmp(why, "Creating ", 9) == 0 ||
4037 strncmp(why, "Continuing ", 11) == 0) {
4038 gs_gamenum = gamenum;
4039 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4040 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4041 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4043 if (appData.zippyPlay) {
4044 ZippyGameStart(whitename, blackname);
4047 partnerBoardValid = FALSE; // [HGM] bughouse
4051 /* Game end messages */
4052 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4053 ics_gamenum != gamenum) {
4056 while (endtoken[0] == ' ') endtoken++;
4057 switch (endtoken[0]) {
4060 endtype = GameUnfinished;
4063 endtype = BlackWins;
4066 if (endtoken[1] == '/')
4067 endtype = GameIsDrawn;
4069 endtype = WhiteWins;
4072 GameEnds(endtype, why, GE_ICS);
4074 if (appData.zippyPlay && first.initDone) {
4075 ZippyGameEnd(endtype, why);
4076 if (first.pr == NoProc) {
4077 /* Start the next process early so that we'll
4078 be ready for the next challenge */
4079 StartChessProgram(&first);
4081 /* Send "new" early, in case this command takes
4082 a long time to finish, so that we'll be ready
4083 for the next challenge. */
4084 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4088 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4092 if (looking_at(buf, &i, "Removing game * from observation") ||
4093 looking_at(buf, &i, "no longer observing game *") ||
4094 looking_at(buf, &i, "Game * (*) has no examiners")) {
4095 if (gameMode == IcsObserving &&
4096 atoi(star_match[0]) == ics_gamenum)
4098 /* icsEngineAnalyze */
4099 if (appData.icsEngineAnalyze) {
4106 ics_user_moved = FALSE;
4111 if (looking_at(buf, &i, "no longer examining game *")) {
4112 if (gameMode == IcsExamining &&
4113 atoi(star_match[0]) == ics_gamenum)
4117 ics_user_moved = FALSE;
4122 /* Advance leftover_start past any newlines we find,
4123 so only partial lines can get reparsed */
4124 if (looking_at(buf, &i, "\n")) {
4125 prevColor = curColor;
4126 if (curColor != ColorNormal) {
4127 if (oldi > next_out) {
4128 SendToPlayer(&buf[next_out], oldi - next_out);
4131 Colorize(ColorNormal, FALSE);
4132 curColor = ColorNormal;
4134 if (started == STARTED_BOARD) {
4135 started = STARTED_NONE;
4136 parse[parse_pos] = NULLCHAR;
4137 ParseBoard12(parse);
4140 /* Send premove here */
4141 if (appData.premove) {
4143 if (currentMove == 0 &&
4144 gameMode == IcsPlayingWhite &&
4145 appData.premoveWhite) {
4146 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4147 if (appData.debugMode)
4148 fprintf(debugFP, "Sending premove:\n");
4150 } else if (currentMove == 1 &&
4151 gameMode == IcsPlayingBlack &&
4152 appData.premoveBlack) {
4153 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4154 if (appData.debugMode)
4155 fprintf(debugFP, "Sending premove:\n");
4157 } else if (gotPremove) {
4159 ClearPremoveHighlights();
4160 if (appData.debugMode)
4161 fprintf(debugFP, "Sending premove:\n");
4162 UserMoveEvent(premoveFromX, premoveFromY,
4163 premoveToX, premoveToY,
4168 /* Usually suppress following prompt */
4169 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4170 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4171 if (looking_at(buf, &i, "*% ")) {
4172 savingComment = FALSE;
4177 } else if (started == STARTED_HOLDINGS) {
4179 char new_piece[MSG_SIZ];
4180 started = STARTED_NONE;
4181 parse[parse_pos] = NULLCHAR;
4182 if (appData.debugMode)
4183 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4184 parse, currentMove);
4185 if (sscanf(parse, " game %d", &gamenum) == 1) {
4186 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4187 if (gameInfo.variant == VariantNormal) {
4188 /* [HGM] We seem to switch variant during a game!
4189 * Presumably no holdings were displayed, so we have
4190 * to move the position two files to the right to
4191 * create room for them!
4193 VariantClass newVariant;
4194 switch(gameInfo.boardWidth) { // base guess on board width
4195 case 9: newVariant = VariantShogi; break;
4196 case 10: newVariant = VariantGreat; break;
4197 default: newVariant = VariantCrazyhouse; break;
4199 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4200 /* Get a move list just to see the header, which
4201 will tell us whether this is really bug or zh */
4202 if (ics_getting_history == H_FALSE) {
4203 ics_getting_history = H_REQUESTED;
4204 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4208 new_piece[0] = NULLCHAR;
4209 sscanf(parse, "game %d white [%s black [%s <- %s",
4210 &gamenum, white_holding, black_holding,
4212 white_holding[strlen(white_holding)-1] = NULLCHAR;
4213 black_holding[strlen(black_holding)-1] = NULLCHAR;
4214 /* [HGM] copy holdings to board holdings area */
4215 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4216 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4217 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4219 if (appData.zippyPlay && first.initDone) {
4220 ZippyHoldings(white_holding, black_holding,
4224 if (tinyLayout || smallLayout) {
4225 char wh[16], bh[16];
4226 PackHolding(wh, white_holding);
4227 PackHolding(bh, black_holding);
4228 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4229 gameInfo.white, gameInfo.black);
4231 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4232 gameInfo.white, white_holding, _("vs."),
4233 gameInfo.black, black_holding);
4235 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4236 DrawPosition(FALSE, boards[currentMove]);
4238 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4239 sscanf(parse, "game %d white [%s black [%s <- %s",
4240 &gamenum, white_holding, black_holding,
4242 white_holding[strlen(white_holding)-1] = NULLCHAR;
4243 black_holding[strlen(black_holding)-1] = NULLCHAR;
4244 /* [HGM] copy holdings to partner-board holdings area */
4245 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4246 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4247 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4248 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4249 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4252 /* Suppress following prompt */
4253 if (looking_at(buf, &i, "*% ")) {
4254 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4255 savingComment = FALSE;
4263 i++; /* skip unparsed character and loop back */
4266 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4267 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4268 // SendToPlayer(&buf[next_out], i - next_out);
4269 started != STARTED_HOLDINGS && leftover_start > next_out) {
4270 SendToPlayer(&buf[next_out], leftover_start - next_out);
4274 leftover_len = buf_len - leftover_start;
4275 /* if buffer ends with something we couldn't parse,
4276 reparse it after appending the next read */
4278 } else if (count == 0) {
4279 RemoveInputSource(isr);
4280 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4282 DisplayFatalError(_("Error reading from ICS"), error, 1);
4287 /* Board style 12 looks like this:
4289 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4291 * The "<12> " is stripped before it gets to this routine. The two
4292 * trailing 0's (flip state and clock ticking) are later addition, and
4293 * some chess servers may not have them, or may have only the first.
4294 * Additional trailing fields may be added in the future.
4297 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4299 #define RELATION_OBSERVING_PLAYED 0
4300 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4301 #define RELATION_PLAYING_MYMOVE 1
4302 #define RELATION_PLAYING_NOTMYMOVE -1
4303 #define RELATION_EXAMINING 2
4304 #define RELATION_ISOLATED_BOARD -3
4305 #define RELATION_STARTING_POSITION -4 /* FICS only */
4308 ParseBoard12 (char *string)
4312 char *bookHit = NULL; // [HGM] book
4314 GameMode newGameMode;
4315 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4316 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4317 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4318 char to_play, board_chars[200];
4319 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4320 char black[32], white[32];
4322 int prevMove = currentMove;
4325 int fromX, fromY, toX, toY;
4327 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4328 Boolean weird = FALSE, reqFlag = FALSE;
4330 fromX = fromY = toX = toY = -1;
4334 if (appData.debugMode)
4335 fprintf(debugFP, "Parsing board: %s\n", string);
4337 move_str[0] = NULLCHAR;
4338 elapsed_time[0] = NULLCHAR;
4339 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4341 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4342 if(string[i] == ' ') { ranks++; files = 0; }
4344 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4347 for(j = 0; j <i; j++) board_chars[j] = string[j];
4348 board_chars[i] = '\0';
4351 n = sscanf(string, PATTERN, &to_play, &double_push,
4352 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4353 &gamenum, white, black, &relation, &basetime, &increment,
4354 &white_stren, &black_stren, &white_time, &black_time,
4355 &moveNum, str, elapsed_time, move_str, &ics_flip,
4359 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4360 DisplayError(str, 0);
4364 /* Convert the move number to internal form */
4365 moveNum = (moveNum - 1) * 2;
4366 if (to_play == 'B') moveNum++;
4367 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4368 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4374 case RELATION_OBSERVING_PLAYED:
4375 case RELATION_OBSERVING_STATIC:
4376 if (gamenum == -1) {
4377 /* Old ICC buglet */
4378 relation = RELATION_OBSERVING_STATIC;
4380 newGameMode = IcsObserving;
4382 case RELATION_PLAYING_MYMOVE:
4383 case RELATION_PLAYING_NOTMYMOVE:
4385 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4386 IcsPlayingWhite : IcsPlayingBlack;
4387 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4389 case RELATION_EXAMINING:
4390 newGameMode = IcsExamining;
4392 case RELATION_ISOLATED_BOARD:
4394 /* Just display this board. If user was doing something else,
4395 we will forget about it until the next board comes. */
4396 newGameMode = IcsIdle;
4398 case RELATION_STARTING_POSITION:
4399 newGameMode = gameMode;
4403 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4404 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4405 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4406 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4407 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4408 static int lastBgGame = -1;
4410 for (k = 0; k < ranks; k++) {
4411 for (j = 0; j < files; j++)
4412 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4413 if(gameInfo.holdingsWidth > 1) {
4414 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4415 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4418 CopyBoard(partnerBoard, board);
4419 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4420 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4421 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4422 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4423 if(toSqr = strchr(str, '-')) {
4424 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4425 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4426 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4427 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4428 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4429 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4431 DisplayWhiteClock(white_time*fac, to_play == 'W');
4432 DisplayBlackClock(black_time*fac, to_play != 'W');
4433 activePartner = to_play;
4434 if(gamenum != lastBgGame) {
4436 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4439 lastBgGame = gamenum;
4440 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4441 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4442 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4443 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4444 if(!twoBoards) DisplayMessage(partnerStatus, "");
4445 partnerBoardValid = TRUE;
4449 if(appData.dualBoard && appData.bgObserve) {
4450 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4451 SendToICS(ics_prefix), SendToICS("pobserve\n");
4452 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4454 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4459 /* Modify behavior for initial board display on move listing
4462 switch (ics_getting_history) {
4466 case H_GOT_REQ_HEADER:
4467 case H_GOT_UNREQ_HEADER:
4468 /* This is the initial position of the current game */
4469 gamenum = ics_gamenum;
4470 moveNum = 0; /* old ICS bug workaround */
4471 if (to_play == 'B') {
4472 startedFromSetupPosition = TRUE;
4473 blackPlaysFirst = TRUE;
4475 if (forwardMostMove == 0) forwardMostMove = 1;
4476 if (backwardMostMove == 0) backwardMostMove = 1;
4477 if (currentMove == 0) currentMove = 1;
4479 newGameMode = gameMode;
4480 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4482 case H_GOT_UNWANTED_HEADER:
4483 /* This is an initial board that we don't want */
4485 case H_GETTING_MOVES:
4486 /* Should not happen */
4487 DisplayError(_("Error gathering move list: extra board"), 0);
4488 ics_getting_history = H_FALSE;
4492 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4493 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4494 weird && (int)gameInfo.variant < (int)VariantShogi) {
4495 /* [HGM] We seem to have switched variant unexpectedly
4496 * Try to guess new variant from board size
4498 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4499 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4500 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4501 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4502 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4503 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4504 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4505 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4506 /* Get a move list just to see the header, which
4507 will tell us whether this is really bug or zh */
4508 if (ics_getting_history == H_FALSE) {
4509 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4510 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4515 /* Take action if this is the first board of a new game, or of a
4516 different game than is currently being displayed. */
4517 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4518 relation == RELATION_ISOLATED_BOARD) {
4520 /* Forget the old game and get the history (if any) of the new one */
4521 if (gameMode != BeginningOfGame) {
4525 if (appData.autoRaiseBoard) BoardToTop();
4527 if (gamenum == -1) {
4528 newGameMode = IcsIdle;
4529 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4530 appData.getMoveList && !reqFlag) {
4531 /* Need to get game history */
4532 ics_getting_history = H_REQUESTED;
4533 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4537 /* Initially flip the board to have black on the bottom if playing
4538 black or if the ICS flip flag is set, but let the user change
4539 it with the Flip View button. */
4540 flipView = appData.autoFlipView ?
4541 (newGameMode == IcsPlayingBlack) || ics_flip :
4544 /* Done with values from previous mode; copy in new ones */
4545 gameMode = newGameMode;
4547 ics_gamenum = gamenum;
4548 if (gamenum == gs_gamenum) {
4549 int klen = strlen(gs_kind);
4550 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4551 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4552 gameInfo.event = StrSave(str);
4554 gameInfo.event = StrSave("ICS game");
4556 gameInfo.site = StrSave(appData.icsHost);
4557 gameInfo.date = PGNDate();
4558 gameInfo.round = StrSave("-");
4559 gameInfo.white = StrSave(white);
4560 gameInfo.black = StrSave(black);
4561 timeControl = basetime * 60 * 1000;
4563 timeIncrement = increment * 1000;
4564 movesPerSession = 0;
4565 gameInfo.timeControl = TimeControlTagValue();
4566 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4567 if (appData.debugMode) {
4568 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4569 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4570 setbuf(debugFP, NULL);
4573 gameInfo.outOfBook = NULL;
4575 /* Do we have the ratings? */
4576 if (strcmp(player1Name, white) == 0 &&
4577 strcmp(player2Name, black) == 0) {
4578 if (appData.debugMode)
4579 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4580 player1Rating, player2Rating);
4581 gameInfo.whiteRating = player1Rating;
4582 gameInfo.blackRating = player2Rating;
4583 } else if (strcmp(player2Name, white) == 0 &&
4584 strcmp(player1Name, black) == 0) {
4585 if (appData.debugMode)
4586 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4587 player2Rating, player1Rating);
4588 gameInfo.whiteRating = player2Rating;
4589 gameInfo.blackRating = player1Rating;
4591 player1Name[0] = player2Name[0] = NULLCHAR;
4593 /* Silence shouts if requested */
4594 if (appData.quietPlay &&
4595 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4596 SendToICS(ics_prefix);
4597 SendToICS("set shout 0\n");
4601 /* Deal with midgame name changes */
4603 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4604 if (gameInfo.white) free(gameInfo.white);
4605 gameInfo.white = StrSave(white);
4607 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4608 if (gameInfo.black) free(gameInfo.black);
4609 gameInfo.black = StrSave(black);
4613 /* Throw away game result if anything actually changes in examine mode */
4614 if (gameMode == IcsExamining && !newGame) {
4615 gameInfo.result = GameUnfinished;
4616 if (gameInfo.resultDetails != NULL) {
4617 free(gameInfo.resultDetails);
4618 gameInfo.resultDetails = NULL;
4622 /* In pausing && IcsExamining mode, we ignore boards coming
4623 in if they are in a different variation than we are. */
4624 if (pauseExamInvalid) return;
4625 if (pausing && gameMode == IcsExamining) {
4626 if (moveNum <= pauseExamForwardMostMove) {
4627 pauseExamInvalid = TRUE;
4628 forwardMostMove = pauseExamForwardMostMove;
4633 if (appData.debugMode) {
4634 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4636 /* Parse the board */
4637 for (k = 0; k < ranks; k++) {
4638 for (j = 0; j < files; j++)
4639 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4640 if(gameInfo.holdingsWidth > 1) {
4641 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4642 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4645 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4646 board[5][BOARD_RGHT+1] = WhiteAngel;
4647 board[6][BOARD_RGHT+1] = WhiteMarshall;
4648 board[1][0] = BlackMarshall;
4649 board[2][0] = BlackAngel;
4650 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4652 CopyBoard(boards[moveNum], board);
4653 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4655 startedFromSetupPosition =
4656 !CompareBoards(board, initialPosition);
4657 if(startedFromSetupPosition)
4658 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4661 /* [HGM] Set castling rights. Take the outermost Rooks,
4662 to make it also work for FRC opening positions. Note that board12
4663 is really defective for later FRC positions, as it has no way to
4664 indicate which Rook can castle if they are on the same side of King.
4665 For the initial position we grant rights to the outermost Rooks,
4666 and remember thos rights, and we then copy them on positions
4667 later in an FRC game. This means WB might not recognize castlings with
4668 Rooks that have moved back to their original position as illegal,
4669 but in ICS mode that is not its job anyway.
4671 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4672 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4674 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4675 if(board[0][i] == WhiteRook) j = i;
4676 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4677 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4678 if(board[0][i] == WhiteRook) j = i;
4679 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4680 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4681 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4682 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4683 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4684 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4685 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4687 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4688 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4689 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4690 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4691 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4692 if(board[BOARD_HEIGHT-1][k] == bKing)
4693 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4694 if(gameInfo.variant == VariantTwoKings) {
4695 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4696 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4697 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4700 r = boards[moveNum][CASTLING][0] = initialRights[0];
4701 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4702 r = boards[moveNum][CASTLING][1] = initialRights[1];
4703 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4704 r = boards[moveNum][CASTLING][3] = initialRights[3];
4705 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4706 r = boards[moveNum][CASTLING][4] = initialRights[4];
4707 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4708 /* wildcastle kludge: always assume King has rights */
4709 r = boards[moveNum][CASTLING][2] = initialRights[2];
4710 r = boards[moveNum][CASTLING][5] = initialRights[5];
4712 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4713 boards[moveNum][EP_STATUS] = EP_NONE;
4714 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4715 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4716 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4719 if (ics_getting_history == H_GOT_REQ_HEADER ||
4720 ics_getting_history == H_GOT_UNREQ_HEADER) {
4721 /* This was an initial position from a move list, not
4722 the current position */
4726 /* Update currentMove and known move number limits */
4727 newMove = newGame || moveNum > forwardMostMove;
4730 forwardMostMove = backwardMostMove = currentMove = moveNum;
4731 if (gameMode == IcsExamining && moveNum == 0) {
4732 /* Workaround for ICS limitation: we are not told the wild
4733 type when starting to examine a game. But if we ask for
4734 the move list, the move list header will tell us */
4735 ics_getting_history = H_REQUESTED;
4736 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4739 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4740 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4742 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4743 /* [HGM] applied this also to an engine that is silently watching */
4744 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4745 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4746 gameInfo.variant == currentlyInitializedVariant) {
4747 takeback = forwardMostMove - moveNum;
4748 for (i = 0; i < takeback; i++) {
4749 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4750 SendToProgram("undo\n", &first);
4755 forwardMostMove = moveNum;
4756 if (!pausing || currentMove > forwardMostMove)
4757 currentMove = forwardMostMove;
4759 /* New part of history that is not contiguous with old part */
4760 if (pausing && gameMode == IcsExamining) {
4761 pauseExamInvalid = TRUE;
4762 forwardMostMove = pauseExamForwardMostMove;
4765 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4767 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4768 // [HGM] when we will receive the move list we now request, it will be
4769 // fed to the engine from the first move on. So if the engine is not
4770 // in the initial position now, bring it there.
4771 InitChessProgram(&first, 0);
4774 ics_getting_history = H_REQUESTED;
4775 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4778 forwardMostMove = backwardMostMove = currentMove = moveNum;
4781 /* Update the clocks */
4782 if (strchr(elapsed_time, '.')) {
4784 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4785 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4787 /* Time is in seconds */
4788 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4789 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4794 if (appData.zippyPlay && newGame &&
4795 gameMode != IcsObserving && gameMode != IcsIdle &&
4796 gameMode != IcsExamining)
4797 ZippyFirstBoard(moveNum, basetime, increment);
4800 /* Put the move on the move list, first converting
4801 to canonical algebraic form. */
4803 if (appData.debugMode) {
4804 int f = forwardMostMove;
4805 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4806 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4807 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4808 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4809 fprintf(debugFP, "moveNum = %d\n", moveNum);
4810 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4811 setbuf(debugFP, NULL);
4813 if (moveNum <= backwardMostMove) {
4814 /* We don't know what the board looked like before
4816 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4817 strcat(parseList[moveNum - 1], " ");
4818 strcat(parseList[moveNum - 1], elapsed_time);
4819 moveList[moveNum - 1][0] = NULLCHAR;
4820 } else if (strcmp(move_str, "none") == 0) {
4821 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4822 /* Again, we don't know what the board looked like;
4823 this is really the start of the game. */
4824 parseList[moveNum - 1][0] = NULLCHAR;
4825 moveList[moveNum - 1][0] = NULLCHAR;
4826 backwardMostMove = moveNum;
4827 startedFromSetupPosition = TRUE;
4828 fromX = fromY = toX = toY = -1;
4830 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4831 // So we parse the long-algebraic move string in stead of the SAN move
4832 int valid; char buf[MSG_SIZ], *prom;
4834 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4835 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4836 // str looks something like "Q/a1-a2"; kill the slash
4838 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4839 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4840 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4841 strcat(buf, prom); // long move lacks promo specification!
4842 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4843 if(appData.debugMode)
4844 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4845 safeStrCpy(move_str, buf, MSG_SIZ);
4847 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4848 &fromX, &fromY, &toX, &toY, &promoChar)
4849 || ParseOneMove(buf, moveNum - 1, &moveType,
4850 &fromX, &fromY, &toX, &toY, &promoChar);
4851 // end of long SAN patch
4853 (void) CoordsToAlgebraic(boards[moveNum - 1],
4854 PosFlags(moveNum - 1),
4855 fromY, fromX, toY, toX, promoChar,
4856 parseList[moveNum-1]);
4857 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4863 if(!IS_SHOGI(gameInfo.variant))
4864 strcat(parseList[moveNum - 1], "+");
4867 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4868 strcat(parseList[moveNum - 1], "#");
4871 strcat(parseList[moveNum - 1], " ");
4872 strcat(parseList[moveNum - 1], elapsed_time);
4873 /* currentMoveString is set as a side-effect of ParseOneMove */
4874 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4875 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4876 strcat(moveList[moveNum - 1], "\n");
4878 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4879 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4880 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4881 ChessSquare old, new = boards[moveNum][k][j];
4882 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4883 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4884 if(old == new) continue;
4885 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4886 else if(new == WhiteWazir || new == BlackWazir) {
4887 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4888 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4889 else boards[moveNum][k][j] = old; // preserve type of Gold
4890 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4891 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4894 /* Move from ICS was illegal!? Punt. */
4895 if (appData.debugMode) {
4896 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4897 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4899 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4900 strcat(parseList[moveNum - 1], " ");
4901 strcat(parseList[moveNum - 1], elapsed_time);
4902 moveList[moveNum - 1][0] = NULLCHAR;
4903 fromX = fromY = toX = toY = -1;
4906 if (appData.debugMode) {
4907 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4908 setbuf(debugFP, NULL);
4912 /* Send move to chess program (BEFORE animating it). */
4913 if (appData.zippyPlay && !newGame && newMove &&
4914 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4916 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4917 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4918 if (moveList[moveNum - 1][0] == NULLCHAR) {
4919 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4921 DisplayError(str, 0);
4923 if (first.sendTime) {
4924 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4926 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4927 if (firstMove && !bookHit) {
4929 if (first.useColors) {
4930 SendToProgram(gameMode == IcsPlayingWhite ?
4932 "black\ngo\n", &first);
4934 SendToProgram("go\n", &first);
4936 first.maybeThinking = TRUE;
4939 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4940 if (moveList[moveNum - 1][0] == NULLCHAR) {
4941 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4942 DisplayError(str, 0);
4944 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4945 SendMoveToProgram(moveNum - 1, &first);
4952 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4953 /* If move comes from a remote source, animate it. If it
4954 isn't remote, it will have already been animated. */
4955 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4956 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4958 if (!pausing && appData.highlightLastMove) {
4959 SetHighlights(fromX, fromY, toX, toY);
4963 /* Start the clocks */
4964 whiteFlag = blackFlag = FALSE;
4965 appData.clockMode = !(basetime == 0 && increment == 0);
4967 ics_clock_paused = TRUE;
4969 } else if (ticking == 1) {
4970 ics_clock_paused = FALSE;
4972 if (gameMode == IcsIdle ||
4973 relation == RELATION_OBSERVING_STATIC ||
4974 relation == RELATION_EXAMINING ||
4976 DisplayBothClocks();
4980 /* Display opponents and material strengths */
4981 if (gameInfo.variant != VariantBughouse &&
4982 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4983 if (tinyLayout || smallLayout) {
4984 if(gameInfo.variant == VariantNormal)
4985 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4986 gameInfo.white, white_stren, gameInfo.black, black_stren,
4987 basetime, increment);
4989 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4990 gameInfo.white, white_stren, gameInfo.black, black_stren,
4991 basetime, increment, (int) gameInfo.variant);
4993 if(gameInfo.variant == VariantNormal)
4994 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4995 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4996 basetime, increment);
4998 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4999 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5000 basetime, increment, VariantName(gameInfo.variant));
5003 if (appData.debugMode) {
5004 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5009 /* Display the board */
5010 if (!pausing && !appData.noGUI) {
5012 if (appData.premove)
5014 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5015 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5016 ClearPremoveHighlights();
5018 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5019 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5020 DrawPosition(j, boards[currentMove]);
5022 DisplayMove(moveNum - 1);
5023 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5024 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5025 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5026 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5030 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5032 if(bookHit) { // [HGM] book: simulate book reply
5033 static char bookMove[MSG_SIZ]; // a bit generous?
5035 programStats.nodes = programStats.depth = programStats.time =
5036 programStats.score = programStats.got_only_move = 0;
5037 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5039 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5040 strcat(bookMove, bookHit);
5041 HandleMachineMove(bookMove, &first);
5050 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5051 ics_getting_history = H_REQUESTED;
5052 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5058 SendToBoth (char *msg)
5059 { // to make it easy to keep two engines in step in dual analysis
5060 SendToProgram(msg, &first);
5061 if(second.analyzing) SendToProgram(msg, &second);
5065 AnalysisPeriodicEvent (int force)
5067 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5068 && !force) || !appData.periodicUpdates)
5071 /* Send . command to Crafty to collect stats */
5074 /* Don't send another until we get a response (this makes
5075 us stop sending to old Crafty's which don't understand
5076 the "." command (sending illegal cmds resets node count & time,
5077 which looks bad)) */
5078 programStats.ok_to_send = 0;
5082 ics_update_width (int new_width)
5084 ics_printf("set width %d\n", new_width);
5088 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5092 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5093 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5094 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5095 SendToProgram(buf, cps);
5098 // null move in variant where engine does not understand it (for analysis purposes)
5099 SendBoard(cps, moveNum + 1); // send position after move in stead.
5102 if (cps->useUsermove) {
5103 SendToProgram("usermove ", cps);
5107 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5108 int len = space - parseList[moveNum];
5109 memcpy(buf, parseList[moveNum], len);
5111 buf[len] = NULLCHAR;
5113 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5115 SendToProgram(buf, cps);
5117 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5118 AlphaRank(moveList[moveNum], 4);
5119 SendToProgram(moveList[moveNum], cps);
5120 AlphaRank(moveList[moveNum], 4); // and back
5122 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5123 * the engine. It would be nice to have a better way to identify castle
5125 if(appData.fischerCastling && cps->useOOCastle) {
5126 int fromX = moveList[moveNum][0] - AAA;
5127 int fromY = moveList[moveNum][1] - ONE;
5128 int toX = moveList[moveNum][2] - AAA;
5129 int toY = moveList[moveNum][3] - ONE;
5130 if((boards[moveNum][fromY][fromX] == WhiteKing
5131 && boards[moveNum][toY][toX] == WhiteRook)
5132 || (boards[moveNum][fromY][fromX] == BlackKing
5133 && boards[moveNum][toY][toX] == BlackRook)) {
5134 if(toX > fromX) SendToProgram("O-O\n", cps);
5135 else SendToProgram("O-O-O\n", cps);
5137 else SendToProgram(moveList[moveNum], cps);
5139 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5140 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5141 moveList[moveNum][5], moveList[moveNum][6] - '0',
5142 moveList[moveNum][5], moveList[moveNum][6] - '0',
5143 moveList[moveNum][2], moveList[moveNum][3] - '0');
5144 SendToProgram(buf, cps);
5146 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5147 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5148 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5149 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5150 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5152 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5153 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5154 SendToProgram(buf, cps);
5156 else SendToProgram(moveList[moveNum], cps);
5157 /* End of additions by Tord */
5160 /* [HGM] setting up the opening has brought engine in force mode! */
5161 /* Send 'go' if we are in a mode where machine should play. */
5162 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5163 (gameMode == TwoMachinesPlay ||
5165 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5167 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5168 SendToProgram("go\n", cps);
5169 if (appData.debugMode) {
5170 fprintf(debugFP, "(extra)\n");
5173 setboardSpoiledMachineBlack = 0;
5177 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5179 char user_move[MSG_SIZ];
5182 if(gameInfo.variant == VariantSChess && promoChar) {
5183 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5184 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5185 } else suffix[0] = NULLCHAR;
5189 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5190 (int)moveType, fromX, fromY, toX, toY);
5191 DisplayError(user_move + strlen("say "), 0);
5193 case WhiteKingSideCastle:
5194 case BlackKingSideCastle:
5195 case WhiteQueenSideCastleWild:
5196 case BlackQueenSideCastleWild:
5198 case WhiteHSideCastleFR:
5199 case BlackHSideCastleFR:
5201 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5203 case WhiteQueenSideCastle:
5204 case BlackQueenSideCastle:
5205 case WhiteKingSideCastleWild:
5206 case BlackKingSideCastleWild:
5208 case WhiteASideCastleFR:
5209 case BlackASideCastleFR:
5211 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5213 case WhiteNonPromotion:
5214 case BlackNonPromotion:
5215 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5217 case WhitePromotion:
5218 case BlackPromotion:
5219 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5220 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5221 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5222 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5223 PieceToChar(WhiteFerz));
5224 else if(gameInfo.variant == VariantGreat)
5225 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5226 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5227 PieceToChar(WhiteMan));
5229 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5230 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5236 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5237 ToUpper(PieceToChar((ChessSquare) fromX)),
5238 AAA + toX, ONE + toY);
5240 case IllegalMove: /* could be a variant we don't quite understand */
5241 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5243 case WhiteCapturesEnPassant:
5244 case BlackCapturesEnPassant:
5245 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5246 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5249 SendToICS(user_move);
5250 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5251 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5256 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5257 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5258 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5259 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5260 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5263 if(gameMode != IcsExamining) { // is this ever not the case?
5264 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5266 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5267 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5268 } else { // on FICS we must first go to general examine mode
5269 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5271 if(gameInfo.variant != VariantNormal) {
5272 // try figure out wild number, as xboard names are not always valid on ICS
5273 for(i=1; i<=36; i++) {
5274 snprintf(buf, MSG_SIZ, "wild/%d", i);
5275 if(StringToVariant(buf) == gameInfo.variant) break;
5277 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5278 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5279 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5280 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5281 SendToICS(ics_prefix);
5283 if(startedFromSetupPosition || backwardMostMove != 0) {
5284 fen = PositionToFEN(backwardMostMove, NULL, 1);
5285 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5286 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5288 } else { // FICS: everything has to set by separate bsetup commands
5289 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5290 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5292 if(!WhiteOnMove(backwardMostMove)) {
5293 SendToICS("bsetup tomove black\n");
5295 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5296 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5298 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5299 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5301 i = boards[backwardMostMove][EP_STATUS];
5302 if(i >= 0) { // set e.p.
5303 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5309 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5310 SendToICS("bsetup done\n"); // switch to normal examining.
5312 for(i = backwardMostMove; i<last; i++) {
5314 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5315 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5316 int len = strlen(moveList[i]);
5317 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5318 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5322 SendToICS(ics_prefix);
5323 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5326 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5329 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5331 if (rf == DROP_RANK) {
5332 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5333 sprintf(move, "%c@%c%c\n",
5334 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5336 if (promoChar == 'x' || promoChar == NULLCHAR) {
5337 sprintf(move, "%c%c%c%c\n",
5338 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5339 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5341 sprintf(move, "%c%c%c%c%c\n",
5342 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5348 ProcessICSInitScript (FILE *f)
5352 while (fgets(buf, MSG_SIZ, f)) {
5353 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5360 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5362 static ClickType lastClickType;
5365 Partner (ChessSquare *p)
5366 { // change piece into promotion partner if one shogi-promotes to the other
5367 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5368 ChessSquare partner;
5369 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5370 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5378 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5379 static int toggleFlag;
5380 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5381 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5382 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5383 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5384 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5385 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5387 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5388 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5389 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5390 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5391 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5392 if(!step) step = -1;
5393 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5394 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5395 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5396 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5398 int victim = boards[currentMove][toY][toX];
5399 boards[currentMove][toY][toX] = promoSweep;
5400 DrawPosition(FALSE, boards[currentMove]);
5401 boards[currentMove][toY][toX] = victim;
5403 ChangeDragPiece(promoSweep);
5407 PromoScroll (int x, int y)
5411 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5412 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5413 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5414 if(!step) return FALSE;
5415 lastX = x; lastY = y;
5416 if((promoSweep < BlackPawn) == flipView) step = -step;
5417 if(step > 0) selectFlag = 1;
5418 if(!selectFlag) Sweep(step);
5423 NextPiece (int step)
5425 ChessSquare piece = boards[currentMove][toY][toX];
5428 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5429 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5430 if(!step) step = -1;
5431 } while(PieceToChar(pieceSweep) == '.');
5432 boards[currentMove][toY][toX] = pieceSweep;
5433 DrawPosition(FALSE, boards[currentMove]);
5434 boards[currentMove][toY][toX] = piece;
5436 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5438 AlphaRank (char *move, int n)
5440 // char *p = move, c; int x, y;
5442 if (appData.debugMode) {
5443 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5447 move[2]>='0' && move[2]<='9' &&
5448 move[3]>='a' && move[3]<='x' ) {
5450 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5451 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5453 if(move[0]>='0' && move[0]<='9' &&
5454 move[1]>='a' && move[1]<='x' &&
5455 move[2]>='0' && move[2]<='9' &&
5456 move[3]>='a' && move[3]<='x' ) {
5457 /* input move, Shogi -> normal */
5458 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5459 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5460 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5461 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5464 move[3]>='0' && move[3]<='9' &&
5465 move[2]>='a' && move[2]<='x' ) {
5467 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5468 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5471 move[0]>='a' && move[0]<='x' &&
5472 move[3]>='0' && move[3]<='9' &&
5473 move[2]>='a' && move[2]<='x' ) {
5474 /* output move, normal -> Shogi */
5475 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5476 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5477 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5478 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5479 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5481 if (appData.debugMode) {
5482 fprintf(debugFP, " out = '%s'\n", move);
5486 char yy_textstr[8000];
5488 /* Parser for moves from gnuchess, ICS, or user typein box */
5490 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5492 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5494 switch (*moveType) {
5495 case WhitePromotion:
5496 case BlackPromotion:
5497 case WhiteNonPromotion:
5498 case BlackNonPromotion:
5501 case WhiteCapturesEnPassant:
5502 case BlackCapturesEnPassant:
5503 case WhiteKingSideCastle:
5504 case WhiteQueenSideCastle:
5505 case BlackKingSideCastle:
5506 case BlackQueenSideCastle:
5507 case WhiteKingSideCastleWild:
5508 case WhiteQueenSideCastleWild:
5509 case BlackKingSideCastleWild:
5510 case BlackQueenSideCastleWild:
5511 /* Code added by Tord: */
5512 case WhiteHSideCastleFR:
5513 case WhiteASideCastleFR:
5514 case BlackHSideCastleFR:
5515 case BlackASideCastleFR:
5516 /* End of code added by Tord */
5517 case IllegalMove: /* bug or odd chess variant */
5518 *fromX = currentMoveString[0] - AAA;
5519 *fromY = currentMoveString[1] - ONE;
5520 *toX = currentMoveString[2] - AAA;
5521 *toY = currentMoveString[3] - ONE;
5522 *promoChar = currentMoveString[4];
5523 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5524 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5525 if (appData.debugMode) {
5526 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5528 *fromX = *fromY = *toX = *toY = 0;
5531 if (appData.testLegality) {
5532 return (*moveType != IllegalMove);
5534 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5535 // [HGM] lion: if this is a double move we are less critical
5536 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5541 *fromX = *moveType == WhiteDrop ?
5542 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5543 (int) CharToPiece(ToLower(currentMoveString[0]));
5545 *toX = currentMoveString[2] - AAA;
5546 *toY = currentMoveString[3] - ONE;
5547 *promoChar = NULLCHAR;
5551 case ImpossibleMove:
5561 if (appData.debugMode) {
5562 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5565 *fromX = *fromY = *toX = *toY = 0;
5566 *promoChar = NULLCHAR;
5571 Boolean pushed = FALSE;
5572 char *lastParseAttempt;
5575 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5576 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5577 int fromX, fromY, toX, toY; char promoChar;
5582 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5583 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5584 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5587 endPV = forwardMostMove;
5589 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5590 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5591 lastParseAttempt = pv;
5592 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5593 if(!valid && nr == 0 &&
5594 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5595 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5596 // Hande case where played move is different from leading PV move
5597 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5598 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5599 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5600 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5601 endPV += 2; // if position different, keep this
5602 moveList[endPV-1][0] = fromX + AAA;
5603 moveList[endPV-1][1] = fromY + ONE;
5604 moveList[endPV-1][2] = toX + AAA;
5605 moveList[endPV-1][3] = toY + ONE;
5606 parseList[endPV-1][0] = NULLCHAR;
5607 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5610 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5611 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5612 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5613 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5614 valid++; // allow comments in PV
5618 if(endPV+1 > framePtr) break; // no space, truncate
5621 CopyBoard(boards[endPV], boards[endPV-1]);
5622 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5623 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5624 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5625 CoordsToAlgebraic(boards[endPV - 1],
5626 PosFlags(endPV - 1),
5627 fromY, fromX, toY, toX, promoChar,
5628 parseList[endPV - 1]);
5630 if(atEnd == 2) return; // used hidden, for PV conversion
5631 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5632 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5633 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5634 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5635 DrawPosition(TRUE, boards[currentMove]);
5639 MultiPV (ChessProgramState *cps)
5640 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5642 for(i=0; i<cps->nrOptions; i++)
5643 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5648 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5651 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5653 int startPV, multi, lineStart, origIndex = index;
5654 char *p, buf2[MSG_SIZ];
5655 ChessProgramState *cps = (pane ? &second : &first);
5657 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5658 lastX = x; lastY = y;
5659 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5660 lineStart = startPV = index;
5661 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5662 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5664 do{ while(buf[index] && buf[index] != '\n') index++;
5665 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5667 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5668 int n = cps->option[multi].value;
5669 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5670 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5671 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5672 cps->option[multi].value = n;
5675 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5676 ExcludeClick(origIndex - lineStart);
5678 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5679 Collapse(origIndex - lineStart);
5682 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5683 *start = startPV; *end = index-1;
5684 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5691 static char buf[10*MSG_SIZ];
5692 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5694 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5695 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5696 for(i = forwardMostMove; i<endPV; i++){
5697 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5698 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5701 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5702 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5703 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5709 LoadPV (int x, int y)
5710 { // called on right mouse click to load PV
5711 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5712 lastX = x; lastY = y;
5713 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5721 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5722 if(endPV < 0) return;
5723 if(appData.autoCopyPV) CopyFENToClipboard();
5725 if(extendGame && currentMove > forwardMostMove) {
5726 Boolean saveAnimate = appData.animate;
5728 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5729 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5730 } else storedGames--; // abandon shelved tail of original game
5733 forwardMostMove = currentMove;
5734 currentMove = oldFMM;
5735 appData.animate = FALSE;
5736 ToNrEvent(forwardMostMove);
5737 appData.animate = saveAnimate;
5739 currentMove = forwardMostMove;
5740 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5741 ClearPremoveHighlights();
5742 DrawPosition(TRUE, boards[currentMove]);
5746 MovePV (int x, int y, int h)
5747 { // step through PV based on mouse coordinates (called on mouse move)
5748 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5750 // we must somehow check if right button is still down (might be released off board!)
5751 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5752 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5753 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5755 lastX = x; lastY = y;
5757 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5758 if(endPV < 0) return;
5759 if(y < margin) step = 1; else
5760 if(y > h - margin) step = -1;
5761 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5762 currentMove += step;
5763 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5764 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5765 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5766 DrawPosition(FALSE, boards[currentMove]);
5770 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5771 // All positions will have equal probability, but the current method will not provide a unique
5772 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5778 int piecesLeft[(int)BlackPawn];
5779 int seed, nrOfShuffles;
5782 GetPositionNumber ()
5783 { // sets global variable seed
5786 seed = appData.defaultFrcPosition;
5787 if(seed < 0) { // randomize based on time for negative FRC position numbers
5788 for(i=0; i<50; i++) seed += random();
5789 seed = random() ^ random() >> 8 ^ random() << 8;
5790 if(seed<0) seed = -seed;
5795 put (Board board, int pieceType, int rank, int n, int shade)
5796 // put the piece on the (n-1)-th empty squares of the given shade
5800 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5801 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5802 board[rank][i] = (ChessSquare) pieceType;
5803 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5805 piecesLeft[pieceType]--;
5814 AddOnePiece (Board board, int pieceType, int rank, int shade)
5815 // calculate where the next piece goes, (any empty square), and put it there
5819 i = seed % squaresLeft[shade];
5820 nrOfShuffles *= squaresLeft[shade];
5821 seed /= squaresLeft[shade];
5822 put(board, pieceType, rank, i, shade);
5826 AddTwoPieces (Board board, int pieceType, int rank)
5827 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5829 int i, n=squaresLeft[ANY], j=n-1, k;
5831 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5832 i = seed % k; // pick one
5835 while(i >= j) i -= j--;
5836 j = n - 1 - j; i += j;
5837 put(board, pieceType, rank, j, ANY);
5838 put(board, pieceType, rank, i, ANY);
5842 SetUpShuffle (Board board, int number)
5846 GetPositionNumber(); nrOfShuffles = 1;
5848 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5849 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5850 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5852 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5854 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5855 p = (int) board[0][i];
5856 if(p < (int) BlackPawn) piecesLeft[p] ++;
5857 board[0][i] = EmptySquare;
5860 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5861 // shuffles restricted to allow normal castling put KRR first
5862 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5863 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5864 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5865 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5866 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5867 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5868 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5869 put(board, WhiteRook, 0, 0, ANY);
5870 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5873 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5874 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5875 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5876 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5877 while(piecesLeft[p] >= 2) {
5878 AddOnePiece(board, p, 0, LITE);
5879 AddOnePiece(board, p, 0, DARK);
5881 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5884 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5885 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5886 // but we leave King and Rooks for last, to possibly obey FRC restriction
5887 if(p == (int)WhiteRook) continue;
5888 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5889 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5892 // now everything is placed, except perhaps King (Unicorn) and Rooks
5894 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5895 // Last King gets castling rights
5896 while(piecesLeft[(int)WhiteUnicorn]) {
5897 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5898 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5901 while(piecesLeft[(int)WhiteKing]) {
5902 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5903 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5908 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5909 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5912 // Only Rooks can be left; simply place them all
5913 while(piecesLeft[(int)WhiteRook]) {
5914 i = put(board, WhiteRook, 0, 0, ANY);
5915 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5918 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5920 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5923 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5924 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5927 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5931 SetCharTable (char *table, const char * map)
5932 /* [HGM] moved here from winboard.c because of its general usefulness */
5933 /* Basically a safe strcpy that uses the last character as King */
5935 int result = FALSE; int NrPieces;
5937 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5938 && NrPieces >= 12 && !(NrPieces&1)) {
5939 int i; /* [HGM] Accept even length from 12 to 34 */
5941 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5942 for( i=0; i<NrPieces/2-1; i++ ) {
5944 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5946 table[(int) WhiteKing] = map[NrPieces/2-1];
5947 table[(int) BlackKing] = map[NrPieces-1];
5956 Prelude (Board board)
5957 { // [HGM] superchess: random selection of exo-pieces
5958 int i, j, k; ChessSquare p;
5959 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5961 GetPositionNumber(); // use FRC position number
5963 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5964 SetCharTable(pieceToChar, appData.pieceToCharTable);
5965 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5966 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5969 j = seed%4; seed /= 4;
5970 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5971 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5972 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5973 j = seed%3 + (seed%3 >= j); seed /= 3;
5974 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5975 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5976 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5977 j = seed%3; seed /= 3;
5978 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5979 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5980 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5981 j = seed%2 + (seed%2 >= j); seed /= 2;
5982 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5983 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5984 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5985 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5986 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5987 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5988 put(board, exoPieces[0], 0, 0, ANY);
5989 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5993 InitPosition (int redraw)
5995 ChessSquare (* pieces)[BOARD_FILES];
5996 int i, j, pawnRow=1, pieceRows=1, overrule,
5997 oldx = gameInfo.boardWidth,
5998 oldy = gameInfo.boardHeight,
5999 oldh = gameInfo.holdingsWidth;
6002 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6004 /* [AS] Initialize pv info list [HGM] and game status */
6006 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6007 pvInfoList[i].depth = 0;
6008 boards[i][EP_STATUS] = EP_NONE;
6009 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6012 initialRulePlies = 0; /* 50-move counter start */
6014 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6015 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6019 /* [HGM] logic here is completely changed. In stead of full positions */
6020 /* the initialized data only consist of the two backranks. The switch */
6021 /* selects which one we will use, which is than copied to the Board */
6022 /* initialPosition, which for the rest is initialized by Pawns and */
6023 /* empty squares. This initial position is then copied to boards[0], */
6024 /* possibly after shuffling, so that it remains available. */
6026 gameInfo.holdingsWidth = 0; /* default board sizes */
6027 gameInfo.boardWidth = 8;
6028 gameInfo.boardHeight = 8;
6029 gameInfo.holdingsSize = 0;
6030 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6031 for(i=0; i<BOARD_FILES-2; i++)
6032 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6033 initialPosition[EP_STATUS] = EP_NONE;
6034 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6035 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6036 SetCharTable(pieceNickName, appData.pieceNickNames);
6037 else SetCharTable(pieceNickName, "............");
6040 switch (gameInfo.variant) {
6041 case VariantFischeRandom:
6042 shuffleOpenings = TRUE;
6043 appData.fischerCastling = TRUE;
6046 case VariantShatranj:
6047 pieces = ShatranjArray;
6048 nrCastlingRights = 0;
6049 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6052 pieces = makrukArray;
6053 nrCastlingRights = 0;
6054 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6057 pieces = aseanArray;
6058 nrCastlingRights = 0;
6059 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6061 case VariantTwoKings:
6062 pieces = twoKingsArray;
6065 pieces = GrandArray;
6066 nrCastlingRights = 0;
6067 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6068 gameInfo.boardWidth = 10;
6069 gameInfo.boardHeight = 10;
6070 gameInfo.holdingsSize = 7;
6072 case VariantCapaRandom:
6073 shuffleOpenings = TRUE;
6074 appData.fischerCastling = TRUE;
6075 case VariantCapablanca:
6076 pieces = CapablancaArray;
6077 gameInfo.boardWidth = 10;
6078 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6081 pieces = GothicArray;
6082 gameInfo.boardWidth = 10;
6083 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6086 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6087 gameInfo.holdingsSize = 7;
6088 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6091 pieces = JanusArray;
6092 gameInfo.boardWidth = 10;
6093 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6094 nrCastlingRights = 6;
6095 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6096 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6097 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6098 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6099 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6100 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6103 pieces = FalconArray;
6104 gameInfo.boardWidth = 10;
6105 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6107 case VariantXiangqi:
6108 pieces = XiangqiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 10;
6111 nrCastlingRights = 0;
6112 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6115 pieces = ShogiArray;
6116 gameInfo.boardWidth = 9;
6117 gameInfo.boardHeight = 9;
6118 gameInfo.holdingsSize = 7;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6123 pieces = ChuArray; pieceRows = 3;
6124 gameInfo.boardWidth = 12;
6125 gameInfo.boardHeight = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6128 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6130 case VariantCourier:
6131 pieces = CourierArray;
6132 gameInfo.boardWidth = 12;
6133 nrCastlingRights = 0;
6134 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6136 case VariantKnightmate:
6137 pieces = KnightmateArray;
6138 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6140 case VariantSpartan:
6141 pieces = SpartanArray;
6142 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6146 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6148 case VariantChuChess:
6149 pieces = ChuChessArray;
6150 gameInfo.boardWidth = 10;
6151 gameInfo.boardHeight = 10;
6152 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6155 pieces = fairyArray;
6156 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6159 pieces = GreatArray;
6160 gameInfo.boardWidth = 10;
6161 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6162 gameInfo.holdingsSize = 8;
6166 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6167 gameInfo.holdingsSize = 8;
6168 startedFromSetupPosition = TRUE;
6170 case VariantCrazyhouse:
6171 case VariantBughouse:
6173 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6174 gameInfo.holdingsSize = 5;
6176 case VariantWildCastle:
6178 /* !!?shuffle with kings guaranteed to be on d or e file */
6179 shuffleOpenings = 1;
6181 case VariantNoCastle:
6183 nrCastlingRights = 0;
6184 /* !!?unconstrained back-rank shuffle */
6185 shuffleOpenings = 1;
6190 if(appData.NrFiles >= 0) {
6191 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6192 gameInfo.boardWidth = appData.NrFiles;
6194 if(appData.NrRanks >= 0) {
6195 gameInfo.boardHeight = appData.NrRanks;
6197 if(appData.holdingsSize >= 0) {
6198 i = appData.holdingsSize;
6199 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6200 gameInfo.holdingsSize = i;
6202 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6203 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6204 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6206 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6207 if(pawnRow < 1) pawnRow = 1;
6208 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6209 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6210 if(gameInfo.variant == VariantChu) pawnRow = 3;
6212 /* User pieceToChar list overrules defaults */
6213 if(appData.pieceToCharTable != NULL)
6214 SetCharTable(pieceToChar, appData.pieceToCharTable);
6216 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6218 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6219 s = (ChessSquare) 0; /* account holding counts in guard band */
6220 for( i=0; i<BOARD_HEIGHT; i++ )
6221 initialPosition[i][j] = s;
6223 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6224 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6225 initialPosition[pawnRow][j] = WhitePawn;
6226 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6227 if(gameInfo.variant == VariantXiangqi) {
6229 initialPosition[pawnRow][j] =
6230 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6231 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6232 initialPosition[2][j] = WhiteCannon;
6233 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6237 if(gameInfo.variant == VariantChu) {
6238 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6239 initialPosition[pawnRow+1][j] = WhiteCobra,
6240 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6241 for(i=1; i<pieceRows; i++) {
6242 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6243 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6246 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6247 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6248 initialPosition[0][j] = WhiteRook;
6249 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6252 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6254 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6255 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6258 initialPosition[1][j] = WhiteBishop;
6259 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6261 initialPosition[1][j] = WhiteRook;
6262 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6265 if( nrCastlingRights == -1) {
6266 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6267 /* This sets default castling rights from none to normal corners */
6268 /* Variants with other castling rights must set them themselves above */
6269 nrCastlingRights = 6;
6271 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6272 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6273 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6274 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6275 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6276 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6279 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6280 if(gameInfo.variant == VariantGreat) { // promotion commoners
6281 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6282 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6283 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6284 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6286 if( gameInfo.variant == VariantSChess ) {
6287 initialPosition[1][0] = BlackMarshall;
6288 initialPosition[2][0] = BlackAngel;
6289 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6290 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6291 initialPosition[1][1] = initialPosition[2][1] =
6292 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6294 if (appData.debugMode) {
6295 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6297 if(shuffleOpenings) {
6298 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6299 startedFromSetupPosition = TRUE;
6301 if(startedFromPositionFile) {
6302 /* [HGM] loadPos: use PositionFile for every new game */
6303 CopyBoard(initialPosition, filePosition);
6304 for(i=0; i<nrCastlingRights; i++)
6305 initialRights[i] = filePosition[CASTLING][i];
6306 startedFromSetupPosition = TRUE;
6309 CopyBoard(boards[0], initialPosition);
6311 if(oldx != gameInfo.boardWidth ||
6312 oldy != gameInfo.boardHeight ||
6313 oldv != gameInfo.variant ||
6314 oldh != gameInfo.holdingsWidth
6316 InitDrawingSizes(-2 ,0);
6318 oldv = gameInfo.variant;
6320 DrawPosition(TRUE, boards[currentMove]);
6324 SendBoard (ChessProgramState *cps, int moveNum)
6326 char message[MSG_SIZ];
6328 if (cps->useSetboard) {
6329 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6330 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6331 SendToProgram(message, cps);
6336 int i, j, left=0, right=BOARD_WIDTH;
6337 /* Kludge to set black to move, avoiding the troublesome and now
6338 * deprecated "black" command.
6340 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6341 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6343 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6345 SendToProgram("edit\n", cps);
6346 SendToProgram("#\n", cps);
6347 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6348 bp = &boards[moveNum][i][left];
6349 for (j = left; j < right; j++, bp++) {
6350 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6351 if ((int) *bp < (int) BlackPawn) {
6352 if(j == BOARD_RGHT+1)
6353 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6354 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6355 if(message[0] == '+' || message[0] == '~') {
6356 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6357 PieceToChar((ChessSquare)(DEMOTED *bp)),
6360 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6361 message[1] = BOARD_RGHT - 1 - j + '1';
6362 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6364 SendToProgram(message, cps);
6369 SendToProgram("c\n", cps);
6370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6371 bp = &boards[moveNum][i][left];
6372 for (j = left; j < right; j++, bp++) {
6373 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6374 if (((int) *bp != (int) EmptySquare)
6375 && ((int) *bp >= (int) BlackPawn)) {
6376 if(j == BOARD_LEFT-2)
6377 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6378 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6380 if(message[0] == '+' || message[0] == '~') {
6381 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6382 PieceToChar((ChessSquare)(DEMOTED *bp)),
6385 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6386 message[1] = BOARD_RGHT - 1 - j + '1';
6387 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6389 SendToProgram(message, cps);
6394 SendToProgram(".\n", cps);
6396 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6399 char exclusionHeader[MSG_SIZ];
6400 int exCnt, excludePtr;
6401 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6402 static Exclusion excluTab[200];
6403 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6409 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6410 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6416 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6417 excludePtr = 24; exCnt = 0;
6422 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6423 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6424 char buf[2*MOVE_LEN], *p;
6425 Exclusion *e = excluTab;
6427 for(i=0; i<exCnt; i++)
6428 if(e[i].ff == fromX && e[i].fr == fromY &&
6429 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6430 if(i == exCnt) { // was not in exclude list; add it
6431 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6432 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6433 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6436 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6437 excludePtr++; e[i].mark = excludePtr++;
6438 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6441 exclusionHeader[e[i].mark] = state;
6445 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6446 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6450 if((signed char)promoChar == -1) { // kludge to indicate best move
6451 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6452 return 1; // if unparsable, abort
6454 // update exclusion map (resolving toggle by consulting existing state)
6455 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6457 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6458 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6459 excludeMap[k] |= 1<<j;
6460 else excludeMap[k] &= ~(1<<j);
6462 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6464 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6465 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6467 return (state == '+');
6471 ExcludeClick (int index)
6474 Exclusion *e = excluTab;
6475 if(index < 25) { // none, best or tail clicked
6476 if(index < 13) { // none: include all
6477 WriteMap(0); // clear map
6478 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6479 SendToBoth("include all\n"); // and inform engine
6480 } else if(index > 18) { // tail
6481 if(exclusionHeader[19] == '-') { // tail was excluded
6482 SendToBoth("include all\n");
6483 WriteMap(0); // clear map completely
6484 // now re-exclude selected moves
6485 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6486 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6487 } else { // tail was included or in mixed state
6488 SendToBoth("exclude all\n");
6489 WriteMap(0xFF); // fill map completely
6490 // now re-include selected moves
6491 j = 0; // count them
6492 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6493 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6494 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6497 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6500 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6501 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6502 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6509 DefaultPromoChoice (int white)
6512 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6513 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6514 result = WhiteFerz; // no choice
6515 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6516 result= WhiteKing; // in Suicide Q is the last thing we want
6517 else if(gameInfo.variant == VariantSpartan)
6518 result = white ? WhiteQueen : WhiteAngel;
6519 else result = WhiteQueen;
6520 if(!white) result = WHITE_TO_BLACK result;
6524 static int autoQueen; // [HGM] oneclick
6527 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6529 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6530 /* [HGM] add Shogi promotions */
6531 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6532 ChessSquare piece, partner;
6536 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6537 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6539 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6540 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6543 piece = boards[currentMove][fromY][fromX];
6544 if(gameInfo.variant == VariantChu) {
6545 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6546 promotionZoneSize = BOARD_HEIGHT/3;
6547 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6548 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6549 promotionZoneSize = BOARD_HEIGHT/3;
6550 highestPromotingPiece = (int)WhiteAlfil;
6551 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6552 promotionZoneSize = 3;
6555 // Treat Lance as Pawn when it is not representing Amazon or Lance
6556 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6557 if(piece == WhiteLance) piece = WhitePawn; else
6558 if(piece == BlackLance) piece = BlackPawn;
6561 // next weed out all moves that do not touch the promotion zone at all
6562 if((int)piece >= BlackPawn) {
6563 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6565 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6566 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6568 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6569 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6570 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6574 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6576 // weed out mandatory Shogi promotions
6577 if(gameInfo.variant == VariantShogi) {
6578 if(piece >= BlackPawn) {
6579 if(toY == 0 && piece == BlackPawn ||
6580 toY == 0 && piece == BlackQueen ||
6581 toY <= 1 && piece == BlackKnight) {
6586 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6587 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6588 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6595 // weed out obviously illegal Pawn moves
6596 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6597 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6598 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6599 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6600 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6601 // note we are not allowed to test for valid (non-)capture, due to premove
6604 // we either have a choice what to promote to, or (in Shogi) whether to promote
6605 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6606 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6607 ChessSquare p=BlackFerz; // no choice
6608 while(p < EmptySquare) { //but make sure we use piece that exists
6609 *promoChoice = PieceToChar(p++);
6610 if(*promoChoice != '.') break;
6614 // no sense asking what we must promote to if it is going to explode...
6615 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6616 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6619 // give caller the default choice even if we will not make it
6620 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6621 partner = piece; // pieces can promote if the pieceToCharTable says so
6622 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6623 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6624 if( sweepSelect && gameInfo.variant != VariantGreat
6625 && gameInfo.variant != VariantGrand
6626 && gameInfo.variant != VariantSuper) return FALSE;
6627 if(autoQueen) return FALSE; // predetermined
6629 // suppress promotion popup on illegal moves that are not premoves
6630 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6631 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6632 if(appData.testLegality && !premove) {
6633 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6634 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6635 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6636 if(moveType != WhitePromotion && moveType != BlackPromotion)
6644 InPalace (int row, int column)
6645 { /* [HGM] for Xiangqi */
6646 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6647 column < (BOARD_WIDTH + 4)/2 &&
6648 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6653 PieceForSquare (int x, int y)
6655 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6658 return boards[currentMove][y][x];
6662 OKToStartUserMove (int x, int y)
6664 ChessSquare from_piece;
6667 if (matchMode) return FALSE;
6668 if (gameMode == EditPosition) return TRUE;
6670 if (x >= 0 && y >= 0)
6671 from_piece = boards[currentMove][y][x];
6673 from_piece = EmptySquare;
6675 if (from_piece == EmptySquare) return FALSE;
6677 white_piece = (int)from_piece >= (int)WhitePawn &&
6678 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6682 case TwoMachinesPlay:
6690 case MachinePlaysWhite:
6691 case IcsPlayingBlack:
6692 if (appData.zippyPlay) return FALSE;
6694 DisplayMoveError(_("You are playing Black"));
6699 case MachinePlaysBlack:
6700 case IcsPlayingWhite:
6701 if (appData.zippyPlay) return FALSE;
6703 DisplayMoveError(_("You are playing White"));
6708 case PlayFromGameFile:
6709 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6711 if (!white_piece && WhiteOnMove(currentMove)) {
6712 DisplayMoveError(_("It is White's turn"));
6715 if (white_piece && !WhiteOnMove(currentMove)) {
6716 DisplayMoveError(_("It is Black's turn"));
6719 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6720 /* Editing correspondence game history */
6721 /* Could disallow this or prompt for confirmation */
6726 case BeginningOfGame:
6727 if (appData.icsActive) return FALSE;
6728 if (!appData.noChessProgram) {
6730 DisplayMoveError(_("You are playing White"));
6737 if (!white_piece && WhiteOnMove(currentMove)) {
6738 DisplayMoveError(_("It is White's turn"));
6741 if (white_piece && !WhiteOnMove(currentMove)) {
6742 DisplayMoveError(_("It is Black's turn"));
6751 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6752 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6753 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6754 && gameMode != AnalyzeFile && gameMode != Training) {
6755 DisplayMoveError(_("Displayed position is not current"));
6762 OnlyMove (int *x, int *y, Boolean captures)
6764 DisambiguateClosure cl;
6765 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6767 case MachinePlaysBlack:
6768 case IcsPlayingWhite:
6769 case BeginningOfGame:
6770 if(!WhiteOnMove(currentMove)) return FALSE;
6772 case MachinePlaysWhite:
6773 case IcsPlayingBlack:
6774 if(WhiteOnMove(currentMove)) return FALSE;
6781 cl.pieceIn = EmptySquare;
6786 cl.promoCharIn = NULLCHAR;
6787 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6788 if( cl.kind == NormalMove ||
6789 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6790 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6791 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6798 if(cl.kind != ImpossibleMove) return FALSE;
6799 cl.pieceIn = EmptySquare;
6804 cl.promoCharIn = NULLCHAR;
6805 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6806 if( cl.kind == NormalMove ||
6807 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6808 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6809 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6814 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6820 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6821 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6822 int lastLoadGameUseList = FALSE;
6823 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6824 ChessMove lastLoadGameStart = EndOfFile;
6826 Boolean addToBookFlag;
6829 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6833 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6835 /* Check if the user is playing in turn. This is complicated because we
6836 let the user "pick up" a piece before it is his turn. So the piece he
6837 tried to pick up may have been captured by the time he puts it down!
6838 Therefore we use the color the user is supposed to be playing in this
6839 test, not the color of the piece that is currently on the starting
6840 square---except in EditGame mode, where the user is playing both
6841 sides; fortunately there the capture race can't happen. (It can
6842 now happen in IcsExamining mode, but that's just too bad. The user
6843 will get a somewhat confusing message in that case.)
6848 case TwoMachinesPlay:
6852 /* We switched into a game mode where moves are not accepted,
6853 perhaps while the mouse button was down. */
6856 case MachinePlaysWhite:
6857 /* User is moving for Black */
6858 if (WhiteOnMove(currentMove)) {
6859 DisplayMoveError(_("It is White's turn"));
6864 case MachinePlaysBlack:
6865 /* User is moving for White */
6866 if (!WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6872 case PlayFromGameFile:
6873 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6876 case BeginningOfGame:
6879 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6880 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6881 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6882 /* User is moving for Black */
6883 if (WhiteOnMove(currentMove)) {
6884 DisplayMoveError(_("It is White's turn"));
6888 /* User is moving for White */
6889 if (!WhiteOnMove(currentMove)) {
6890 DisplayMoveError(_("It is Black's turn"));
6896 case IcsPlayingBlack:
6897 /* User is moving for Black */
6898 if (WhiteOnMove(currentMove)) {
6899 if (!appData.premove) {
6900 DisplayMoveError(_("It is White's turn"));
6901 } else if (toX >= 0 && toY >= 0) {
6904 premoveFromX = fromX;
6905 premoveFromY = fromY;
6906 premovePromoChar = promoChar;
6908 if (appData.debugMode)
6909 fprintf(debugFP, "Got premove: fromX %d,"
6910 "fromY %d, toX %d, toY %d\n",
6911 fromX, fromY, toX, toY);
6917 case IcsPlayingWhite:
6918 /* User is moving for White */
6919 if (!WhiteOnMove(currentMove)) {
6920 if (!appData.premove) {
6921 DisplayMoveError(_("It is Black's turn"));
6922 } else if (toX >= 0 && toY >= 0) {
6925 premoveFromX = fromX;
6926 premoveFromY = fromY;
6927 premovePromoChar = promoChar;
6929 if (appData.debugMode)
6930 fprintf(debugFP, "Got premove: fromX %d,"
6931 "fromY %d, toX %d, toY %d\n",
6932 fromX, fromY, toX, toY);
6942 /* EditPosition, empty square, or different color piece;
6943 click-click move is possible */
6944 if (toX == -2 || toY == -2) {
6945 boards[0][fromY][fromX] = EmptySquare;
6946 DrawPosition(FALSE, boards[currentMove]);
6948 } else if (toX >= 0 && toY >= 0) {
6949 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6950 ChessSquare q, p = boards[0][rf][ff];
6951 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6952 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6953 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6954 if(PieceToChar(q) == '+') gatingPiece = p;
6956 boards[0][toY][toX] = boards[0][fromY][fromX];
6957 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6958 if(boards[0][fromY][0] != EmptySquare) {
6959 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6960 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6963 if(fromX == BOARD_RGHT+1) {
6964 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6965 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6966 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6969 boards[0][fromY][fromX] = gatingPiece;
6970 DrawPosition(FALSE, boards[currentMove]);
6976 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6977 pup = boards[currentMove][toY][toX];
6979 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6980 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6981 if( pup != EmptySquare ) return;
6982 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6983 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6984 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6985 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6986 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6987 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6988 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6992 /* [HGM] always test for legality, to get promotion info */
6993 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6994 fromY, fromX, toY, toX, promoChar);
6996 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
6998 /* [HGM] but possibly ignore an IllegalMove result */
6999 if (appData.testLegality) {
7000 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7001 DisplayMoveError(_("Illegal move"));
7006 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7007 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7008 ClearPremoveHighlights(); // was included
7009 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7013 if(addToBookFlag) { // adding moves to book
7014 char buf[MSG_SIZ], move[MSG_SIZ];
7015 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7016 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7018 addToBookFlag = FALSE;
7023 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7026 /* Common tail of UserMoveEvent and DropMenuEvent */
7028 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7032 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7033 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7034 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7035 if(WhiteOnMove(currentMove)) {
7036 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7038 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7042 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7043 move type in caller when we know the move is a legal promotion */
7044 if(moveType == NormalMove && promoChar)
7045 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7047 /* [HGM] <popupFix> The following if has been moved here from
7048 UserMoveEvent(). Because it seemed to belong here (why not allow
7049 piece drops in training games?), and because it can only be
7050 performed after it is known to what we promote. */
7051 if (gameMode == Training) {
7052 /* compare the move played on the board to the next move in the
7053 * game. If they match, display the move and the opponent's response.
7054 * If they don't match, display an error message.
7058 CopyBoard(testBoard, boards[currentMove]);
7059 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7061 if (CompareBoards(testBoard, boards[currentMove+1])) {
7062 ForwardInner(currentMove+1);
7064 /* Autoplay the opponent's response.
7065 * if appData.animate was TRUE when Training mode was entered,
7066 * the response will be animated.
7068 saveAnimate = appData.animate;
7069 appData.animate = animateTraining;
7070 ForwardInner(currentMove+1);
7071 appData.animate = saveAnimate;
7073 /* check for the end of the game */
7074 if (currentMove >= forwardMostMove) {
7075 gameMode = PlayFromGameFile;
7077 SetTrainingModeOff();
7078 DisplayInformation(_("End of game"));
7081 DisplayError(_("Incorrect move"), 0);
7086 /* Ok, now we know that the move is good, so we can kill
7087 the previous line in Analysis Mode */
7088 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7089 && currentMove < forwardMostMove) {
7090 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7091 else forwardMostMove = currentMove;
7096 /* If we need the chess program but it's dead, restart it */
7097 ResurrectChessProgram();
7099 /* A user move restarts a paused game*/
7103 thinkOutput[0] = NULLCHAR;
7105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7107 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7108 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7112 if (gameMode == BeginningOfGame) {
7113 if (appData.noChessProgram) {
7114 gameMode = EditGame;
7118 gameMode = MachinePlaysBlack;
7121 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7123 if (first.sendName) {
7124 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7125 SendToProgram(buf, &first);
7132 /* Relay move to ICS or chess engine */
7133 if (appData.icsActive) {
7134 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7135 gameMode == IcsExamining) {
7136 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7137 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7139 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7141 // also send plain move, in case ICS does not understand atomic claims
7142 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7146 if (first.sendTime && (gameMode == BeginningOfGame ||
7147 gameMode == MachinePlaysWhite ||
7148 gameMode == MachinePlaysBlack)) {
7149 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7151 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7152 // [HGM] book: if program might be playing, let it use book
7153 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7154 first.maybeThinking = TRUE;
7155 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7156 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7157 SendBoard(&first, currentMove+1);
7158 if(second.analyzing) {
7159 if(!second.useSetboard) SendToProgram("undo\n", &second);
7160 SendBoard(&second, currentMove+1);
7163 SendMoveToProgram(forwardMostMove-1, &first);
7164 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7166 if (currentMove == cmailOldMove + 1) {
7167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7171 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7175 if(appData.testLegality)
7176 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7182 if (WhiteOnMove(currentMove)) {
7183 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7185 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7189 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7194 case MachinePlaysBlack:
7195 case MachinePlaysWhite:
7196 /* disable certain menu options while machine is thinking */
7197 SetMachineThinkingEnables();
7204 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7205 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7207 if(bookHit) { // [HGM] book: simulate book reply
7208 static char bookMove[MSG_SIZ]; // a bit generous?
7210 programStats.nodes = programStats.depth = programStats.time =
7211 programStats.score = programStats.got_only_move = 0;
7212 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7214 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7215 strcat(bookMove, bookHit);
7216 HandleMachineMove(bookMove, &first);
7222 MarkByFEN(char *fen)
7225 if(!appData.markers || !appData.highlightDragging) return;
7226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7227 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7231 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7232 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7233 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7234 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7235 if(*fen == 'T') marker[r][f++] = 0; else
7236 if(*fen == 'Y') marker[r][f++] = 1; else
7237 if(*fen == 'G') marker[r][f++] = 3; else
7238 if(*fen == 'B') marker[r][f++] = 4; else
7239 if(*fen == 'C') marker[r][f++] = 5; else
7240 if(*fen == 'M') marker[r][f++] = 6; else
7241 if(*fen == 'W') marker[r][f++] = 7; else
7242 if(*fen == 'D') marker[r][f++] = 8; else
7243 if(*fen == 'R') marker[r][f++] = 2; else {
7244 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7247 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7251 DrawPosition(TRUE, NULL);
7254 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7257 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7259 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7260 Markers *m = (Markers *) closure;
7261 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7262 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7263 || kind == WhiteCapturesEnPassant
7264 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7265 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7268 static int hoverSavedValid;
7271 MarkTargetSquares (int clear)
7274 if(clear) { // no reason to ever suppress clearing
7275 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7276 hoverSavedValid = 0;
7277 if(!sum) return; // nothing was cleared,no redraw needed
7280 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7281 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7282 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7283 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7284 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7286 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7289 DrawPosition(FALSE, NULL);
7293 Explode (Board board, int fromX, int fromY, int toX, int toY)
7295 if(gameInfo.variant == VariantAtomic &&
7296 (board[toY][toX] != EmptySquare || // capture?
7297 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7298 board[fromY][fromX] == BlackPawn )
7300 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7306 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7309 CanPromote (ChessSquare piece, int y)
7311 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7312 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7313 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7314 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7315 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7316 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7317 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7318 return (piece == BlackPawn && y <= zone ||
7319 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7320 piece == BlackLance && y == 1 ||
7321 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7325 HoverEvent (int xPix, int yPix, int x, int y)
7327 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7329 if(!first.highlight) return;
7330 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7331 if(x == oldX && y == oldY) return; // only do something if we enter new square
7332 oldFromX = fromX; oldFromY = fromY;
7333 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7334 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7335 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7336 hoverSavedValid = 1;
7337 } else if(oldX != x || oldY != y) {
7338 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7339 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7341 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7342 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7344 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7345 SendToProgram(buf, &first);
7348 // SetHighlights(fromX, fromY, x, y);
7352 void ReportClick(char *action, int x, int y)
7354 char buf[MSG_SIZ]; // Inform engine of what user does
7356 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7357 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = !pieceDefs, marker[r][f] = 0;
7358 if(!first.highlight || gameMode == EditPosition) return;
7359 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7360 SendToProgram(buf, &first);
7364 LeftClick (ClickType clickType, int xPix, int yPix)
7367 Boolean saveAnimate;
7368 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7369 char promoChoice = NULLCHAR;
7371 static TimeMark lastClickTime, prevClickTime;
7373 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7375 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7377 if (clickType == Press) ErrorPopDown();
7378 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7380 x = EventToSquare(xPix, BOARD_WIDTH);
7381 y = EventToSquare(yPix, BOARD_HEIGHT);
7382 if (!flipView && y >= 0) {
7383 y = BOARD_HEIGHT - 1 - y;
7385 if (flipView && x >= 0) {
7386 x = BOARD_WIDTH - 1 - x;
7389 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7390 defaultPromoChoice = promoSweep;
7391 promoSweep = EmptySquare; // terminate sweep
7392 promoDefaultAltered = TRUE;
7393 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7396 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7397 if(clickType == Release) return; // ignore upclick of click-click destination
7398 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7399 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7400 if(gameInfo.holdingsWidth &&
7401 (WhiteOnMove(currentMove)
7402 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7403 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7404 // click in right holdings, for determining promotion piece
7405 ChessSquare p = boards[currentMove][y][x];
7406 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7407 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7408 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7409 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7414 DrawPosition(FALSE, boards[currentMove]);
7418 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7419 if(clickType == Press
7420 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7421 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7422 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7425 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7426 // could be static click on premove from-square: abort premove
7428 ClearPremoveHighlights();
7431 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7432 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7434 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7435 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7436 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7437 defaultPromoChoice = DefaultPromoChoice(side);
7440 autoQueen = appData.alwaysPromoteToQueen;
7444 gatingPiece = EmptySquare;
7445 if (clickType != Press) {
7446 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7447 DragPieceEnd(xPix, yPix); dragging = 0;
7448 DrawPosition(FALSE, NULL);
7452 doubleClick = FALSE;
7453 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7454 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7456 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7457 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7458 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7459 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7461 if (OKToStartUserMove(fromX, fromY)) {
7463 ReportClick("lift", x, y);
7464 MarkTargetSquares(0);
7465 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7466 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7467 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7468 promoSweep = defaultPromoChoice;
7469 selectFlag = 0; lastX = xPix; lastY = yPix;
7470 Sweep(0); // Pawn that is going to promote: preview promotion piece
7471 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7473 if (appData.highlightDragging) {
7474 SetHighlights(fromX, fromY, -1, -1);
7478 } else fromX = fromY = -1;
7484 if (clickType == Press && gameMode != EditPosition) {
7489 // ignore off-board to clicks
7490 if(y < 0 || x < 0) return;
7492 /* Check if clicking again on the same color piece */
7493 fromP = boards[currentMove][fromY][fromX];
7494 toP = boards[currentMove][y][x];
7495 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7496 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7497 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7498 WhitePawn <= toP && toP <= WhiteKing &&
7499 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7500 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7501 (BlackPawn <= fromP && fromP <= BlackKing &&
7502 BlackPawn <= toP && toP <= BlackKing &&
7503 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7504 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7505 /* Clicked again on same color piece -- changed his mind */
7506 second = (x == fromX && y == fromY);
7508 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7509 second = FALSE; // first double-click rather than scond click
7510 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7512 promoDefaultAltered = FALSE;
7513 MarkTargetSquares(1);
7514 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7515 if (appData.highlightDragging) {
7516 SetHighlights(x, y, -1, -1);
7520 if (OKToStartUserMove(x, y)) {
7521 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7522 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7523 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7524 gatingPiece = boards[currentMove][fromY][fromX];
7525 else gatingPiece = doubleClick ? fromP : EmptySquare;
7527 fromY = y; dragging = 1;
7528 ReportClick("lift", x, y);
7529 MarkTargetSquares(0);
7530 DragPieceBegin(xPix, yPix, FALSE);
7531 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7532 promoSweep = defaultPromoChoice;
7533 selectFlag = 0; lastX = xPix; lastY = yPix;
7534 Sweep(0); // Pawn that is going to promote: preview promotion piece
7538 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7541 // ignore clicks on holdings
7542 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7545 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7546 DragPieceEnd(xPix, yPix); dragging = 0;
7548 // a deferred attempt to click-click move an empty square on top of a piece
7549 boards[currentMove][y][x] = EmptySquare;
7551 DrawPosition(FALSE, boards[currentMove]);
7552 fromX = fromY = -1; clearFlag = 0;
7555 if (appData.animateDragging) {
7556 /* Undo animation damage if any */
7557 DrawPosition(FALSE, NULL);
7559 if (second || sweepSelecting) {
7560 /* Second up/down in same square; just abort move */
7561 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7562 second = sweepSelecting = 0;
7564 gatingPiece = EmptySquare;
7565 MarkTargetSquares(1);
7568 ClearPremoveHighlights();
7570 /* First upclick in same square; start click-click mode */
7571 SetHighlights(x, y, -1, -1);
7578 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7579 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7580 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7581 DisplayMessage(_("only marked squares are legal"),"");
7582 DrawPosition(TRUE, NULL);
7583 return; // ignore to-click
7586 /* we now have a different from- and (possibly off-board) to-square */
7587 /* Completed move */
7588 if(!sweepSelecting) {
7593 piece = boards[currentMove][fromY][fromX];
7595 saveAnimate = appData.animate;
7596 if (clickType == Press) {
7597 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7598 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7599 // must be Edit Position mode with empty-square selected
7600 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7601 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7604 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7607 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7608 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7610 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7611 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7612 if(appData.sweepSelect) {
7613 promoSweep = defaultPromoChoice;
7614 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7615 selectFlag = 0; lastX = xPix; lastY = yPix;
7616 Sweep(0); // Pawn that is going to promote: preview promotion piece
7618 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7619 MarkTargetSquares(1);
7621 return; // promo popup appears on up-click
7623 /* Finish clickclick move */
7624 if (appData.animate || appData.highlightLastMove) {
7625 SetHighlights(fromX, fromY, toX, toY);
7629 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7630 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7631 if (appData.animate || appData.highlightLastMove) {
7632 SetHighlights(fromX, fromY, toX, toY);
7638 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7639 /* Finish drag move */
7640 if (appData.highlightLastMove) {
7641 SetHighlights(fromX, fromY, toX, toY);
7646 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7647 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7648 dragging *= 2; // flag button-less dragging if we are dragging
7649 MarkTargetSquares(1);
7650 if(x == killX && y == killY) killX = killY = -1; else {
7651 killX = x; killY = y; //remeber this square as intermediate
7652 ReportClick("put", x, y); // and inform engine
7653 ReportClick("lift", x, y);
7654 MarkTargetSquares(0);
7658 DragPieceEnd(xPix, yPix); dragging = 0;
7659 /* Don't animate move and drag both */
7660 appData.animate = FALSE;
7663 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7664 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7665 ChessSquare piece = boards[currentMove][fromY][fromX];
7666 if(gameMode == EditPosition && piece != EmptySquare &&
7667 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7670 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7671 n = PieceToNumber(piece - (int)BlackPawn);
7672 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7673 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7674 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7676 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7677 n = PieceToNumber(piece);
7678 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7679 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7680 boards[currentMove][n][BOARD_WIDTH-2]++;
7682 boards[currentMove][fromY][fromX] = EmptySquare;
7686 MarkTargetSquares(1);
7687 DrawPosition(TRUE, boards[currentMove]);
7691 // off-board moves should not be highlighted
7692 if(x < 0 || y < 0) ClearHighlights();
7693 else ReportClick("put", x, y);
7695 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7697 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7698 SetHighlights(fromX, fromY, toX, toY);
7699 MarkTargetSquares(1);
7700 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7701 // [HGM] super: promotion to captured piece selected from holdings
7702 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7703 promotionChoice = TRUE;
7704 // kludge follows to temporarily execute move on display, without promoting yet
7705 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7706 boards[currentMove][toY][toX] = p;
7707 DrawPosition(FALSE, boards[currentMove]);
7708 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7709 boards[currentMove][toY][toX] = q;
7710 DisplayMessage("Click in holdings to choose piece", "");
7713 PromotionPopUp(promoChoice);
7715 int oldMove = currentMove;
7716 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7717 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7718 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7719 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7720 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7721 DrawPosition(TRUE, boards[currentMove]);
7722 MarkTargetSquares(1);
7725 appData.animate = saveAnimate;
7726 if (appData.animate || appData.animateDragging) {
7727 /* Undo animation damage if needed */
7728 DrawPosition(FALSE, NULL);
7733 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7734 { // front-end-free part taken out of PieceMenuPopup
7735 int whichMenu; int xSqr, ySqr;
7737 if(seekGraphUp) { // [HGM] seekgraph
7738 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7739 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7743 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7744 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7745 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7746 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7747 if(action == Press) {
7748 originalFlip = flipView;
7749 flipView = !flipView; // temporarily flip board to see game from partners perspective
7750 DrawPosition(TRUE, partnerBoard);
7751 DisplayMessage(partnerStatus, "");
7753 } else if(action == Release) {
7754 flipView = originalFlip;
7755 DrawPosition(TRUE, boards[currentMove]);
7761 xSqr = EventToSquare(x, BOARD_WIDTH);
7762 ySqr = EventToSquare(y, BOARD_HEIGHT);
7763 if (action == Release) {
7764 if(pieceSweep != EmptySquare) {
7765 EditPositionMenuEvent(pieceSweep, toX, toY);
7766 pieceSweep = EmptySquare;
7767 } else UnLoadPV(); // [HGM] pv
7769 if (action != Press) return -2; // return code to be ignored
7772 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7774 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7775 if (xSqr < 0 || ySqr < 0) return -1;
7776 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7777 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7778 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7779 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7783 if(!appData.icsEngineAnalyze) return -1;
7784 case IcsPlayingWhite:
7785 case IcsPlayingBlack:
7786 if(!appData.zippyPlay) goto noZip;
7789 case MachinePlaysWhite:
7790 case MachinePlaysBlack:
7791 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7792 if (!appData.dropMenu) {
7794 return 2; // flag front-end to grab mouse events
7796 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7797 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7800 if (xSqr < 0 || ySqr < 0) return -1;
7801 if (!appData.dropMenu || appData.testLegality &&
7802 gameInfo.variant != VariantBughouse &&
7803 gameInfo.variant != VariantCrazyhouse) return -1;
7804 whichMenu = 1; // drop menu
7810 if (((*fromX = xSqr) < 0) ||
7811 ((*fromY = ySqr) < 0)) {
7812 *fromX = *fromY = -1;
7816 *fromX = BOARD_WIDTH - 1 - *fromX;
7818 *fromY = BOARD_HEIGHT - 1 - *fromY;
7824 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7826 // char * hint = lastHint;
7827 FrontEndProgramStats stats;
7829 stats.which = cps == &first ? 0 : 1;
7830 stats.depth = cpstats->depth;
7831 stats.nodes = cpstats->nodes;
7832 stats.score = cpstats->score;
7833 stats.time = cpstats->time;
7834 stats.pv = cpstats->movelist;
7835 stats.hint = lastHint;
7836 stats.an_move_index = 0;
7837 stats.an_move_count = 0;
7839 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7840 stats.hint = cpstats->move_name;
7841 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7842 stats.an_move_count = cpstats->nr_moves;
7845 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7847 SetProgramStats( &stats );
7851 ClearEngineOutputPane (int which)
7853 static FrontEndProgramStats dummyStats;
7854 dummyStats.which = which;
7855 dummyStats.pv = "#";
7856 SetProgramStats( &dummyStats );
7859 #define MAXPLAYERS 500
7862 TourneyStandings (int display)
7864 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7865 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7866 char result, *p, *names[MAXPLAYERS];
7868 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7869 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7870 names[0] = p = strdup(appData.participants);
7871 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7873 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7875 while(result = appData.results[nr]) {
7876 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7877 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7878 wScore = bScore = 0;
7880 case '+': wScore = 2; break;
7881 case '-': bScore = 2; break;
7882 case '=': wScore = bScore = 1; break;
7884 case '*': return strdup("busy"); // tourney not finished
7892 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7893 for(w=0; w<nPlayers; w++) {
7895 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7896 ranking[w] = b; points[w] = bScore; score[b] = -2;
7898 p = malloc(nPlayers*34+1);
7899 for(w=0; w<nPlayers && w<display; w++)
7900 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7906 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7907 { // count all piece types
7909 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7910 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7911 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7914 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7915 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7916 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7917 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7918 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7919 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7924 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7926 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7927 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7929 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7930 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7931 if(myPawns == 2 && nMine == 3) // KPP
7932 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7933 if(myPawns == 1 && nMine == 2) // KP
7934 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7935 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7936 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7937 if(myPawns) return FALSE;
7938 if(pCnt[WhiteRook+side])
7939 return pCnt[BlackRook-side] ||
7940 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7941 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7942 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7943 if(pCnt[WhiteCannon+side]) {
7944 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7945 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7947 if(pCnt[WhiteKnight+side])
7948 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7953 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7955 VariantClass v = gameInfo.variant;
7957 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7958 if(v == VariantShatranj) return TRUE; // always winnable through baring
7959 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7960 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7962 if(v == VariantXiangqi) {
7963 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7965 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7966 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7967 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7968 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7969 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7970 if(stale) // we have at least one last-rank P plus perhaps C
7971 return majors // KPKX
7972 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7974 return pCnt[WhiteFerz+side] // KCAK
7975 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7976 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7977 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7979 } else if(v == VariantKnightmate) {
7980 if(nMine == 1) return FALSE;
7981 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7982 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7983 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7985 if(nMine == 1) return FALSE; // bare King
7986 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7987 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7988 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7989 // by now we have King + 1 piece (or multiple Bishops on the same color)
7990 if(pCnt[WhiteKnight+side])
7991 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7992 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7993 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7995 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7996 if(pCnt[WhiteAlfil+side])
7997 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7998 if(pCnt[WhiteWazir+side])
7999 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8006 CompareWithRights (Board b1, Board b2)
8009 if(!CompareBoards(b1, b2)) return FALSE;
8010 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8011 /* compare castling rights */
8012 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8013 rights++; /* King lost rights, while rook still had them */
8014 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8015 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8016 rights++; /* but at least one rook lost them */
8018 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8020 if( b1[CASTLING][5] != NoRights ) {
8021 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8028 Adjudicate (ChessProgramState *cps)
8029 { // [HGM] some adjudications useful with buggy engines
8030 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8031 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8032 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8033 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8034 int k, drop, count = 0; static int bare = 1;
8035 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8036 Boolean canAdjudicate = !appData.icsActive;
8038 // most tests only when we understand the game, i.e. legality-checking on
8039 if( appData.testLegality )
8040 { /* [HGM] Some more adjudications for obstinate engines */
8041 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8042 static int moveCount = 6;
8044 char *reason = NULL;
8046 /* Count what is on board. */
8047 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8049 /* Some material-based adjudications that have to be made before stalemate test */
8050 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8051 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8052 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8053 if(canAdjudicate && appData.checkMates) {
8055 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8056 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8057 "Xboard adjudication: King destroyed", GE_XBOARD );
8062 /* Bare King in Shatranj (loses) or Losers (wins) */
8063 if( nrW == 1 || nrB == 1) {
8064 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8065 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8066 if(canAdjudicate && appData.checkMates) {
8068 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8069 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8070 "Xboard adjudication: Bare king", GE_XBOARD );
8074 if( gameInfo.variant == VariantShatranj && --bare < 0)
8076 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8077 if(canAdjudicate && appData.checkMates) {
8078 /* but only adjudicate if adjudication enabled */
8080 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8081 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8082 "Xboard adjudication: Bare king", GE_XBOARD );
8089 // don't wait for engine to announce game end if we can judge ourselves
8090 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8092 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8093 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8094 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8095 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8098 reason = "Xboard adjudication: 3rd check";
8099 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8110 reason = "Xboard adjudication: Stalemate";
8111 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8112 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8113 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8114 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8115 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8116 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8117 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8118 EP_CHECKMATE : EP_WINS);
8119 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8120 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8124 reason = "Xboard adjudication: Checkmate";
8125 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8126 if(gameInfo.variant == VariantShogi) {
8127 if(forwardMostMove > backwardMostMove
8128 && moveList[forwardMostMove-1][1] == '@'
8129 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8130 reason = "XBoard adjudication: pawn-drop mate";
8131 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8137 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8139 result = GameIsDrawn; break;
8141 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8143 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8147 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8149 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8150 GameEnds( result, reason, GE_XBOARD );
8154 /* Next absolutely insufficient mating material. */
8155 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8156 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8157 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8159 /* always flag draws, for judging claims */
8160 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8162 if(canAdjudicate && appData.materialDraws) {
8163 /* but only adjudicate them if adjudication enabled */
8164 if(engineOpponent) {
8165 SendToProgram("force\n", engineOpponent); // suppress reply
8166 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8168 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8173 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8174 if(gameInfo.variant == VariantXiangqi ?
8175 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8177 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8178 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8179 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8180 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8182 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8183 { /* if the first 3 moves do not show a tactical win, declare draw */
8184 if(engineOpponent) {
8185 SendToProgram("force\n", engineOpponent); // suppress reply
8186 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8188 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8191 } else moveCount = 6;
8194 // Repetition draws and 50-move rule can be applied independently of legality testing
8196 /* Check for rep-draws */
8198 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8199 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8200 for(k = forwardMostMove-2;
8201 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8202 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8203 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8206 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8207 /* compare castling rights */
8208 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8209 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8210 rights++; /* King lost rights, while rook still had them */
8211 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8212 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8213 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8214 rights++; /* but at least one rook lost them */
8216 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8217 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8219 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8220 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8221 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8224 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8225 && appData.drawRepeats > 1) {
8226 /* adjudicate after user-specified nr of repeats */
8227 int result = GameIsDrawn;
8228 char *details = "XBoard adjudication: repetition draw";
8229 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8230 // [HGM] xiangqi: check for forbidden perpetuals
8231 int m, ourPerpetual = 1, hisPerpetual = 1;
8232 for(m=forwardMostMove; m>k; m-=2) {
8233 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8234 ourPerpetual = 0; // the current mover did not always check
8235 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8236 hisPerpetual = 0; // the opponent did not always check
8238 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8239 ourPerpetual, hisPerpetual);
8240 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8241 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8242 details = "Xboard adjudication: perpetual checking";
8244 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8245 break; // (or we would have caught him before). Abort repetition-checking loop.
8247 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8248 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8250 details = "Xboard adjudication: repetition";
8252 } else // it must be XQ
8253 // Now check for perpetual chases
8254 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8255 hisPerpetual = PerpetualChase(k, forwardMostMove);
8256 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8257 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8258 static char resdet[MSG_SIZ];
8259 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8261 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8263 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8264 break; // Abort repetition-checking loop.
8266 // if neither of us is checking or chasing all the time, or both are, it is draw
8268 if(engineOpponent) {
8269 SendToProgram("force\n", engineOpponent); // suppress reply
8270 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8272 GameEnds( result, details, GE_XBOARD );
8275 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8276 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8280 /* Now we test for 50-move draws. Determine ply count */
8281 count = forwardMostMove;
8282 /* look for last irreversble move */
8283 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8285 /* if we hit starting position, add initial plies */
8286 if( count == backwardMostMove )
8287 count -= initialRulePlies;
8288 count = forwardMostMove - count;
8289 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8290 // adjust reversible move counter for checks in Xiangqi
8291 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8292 if(i < backwardMostMove) i = backwardMostMove;
8293 while(i <= forwardMostMove) {
8294 lastCheck = inCheck; // check evasion does not count
8295 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8296 if(inCheck || lastCheck) count--; // check does not count
8301 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8302 /* this is used to judge if draw claims are legal */
8303 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8304 if(engineOpponent) {
8305 SendToProgram("force\n", engineOpponent); // suppress reply
8306 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8308 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8312 /* if draw offer is pending, treat it as a draw claim
8313 * when draw condition present, to allow engines a way to
8314 * claim draws before making their move to avoid a race
8315 * condition occurring after their move
8317 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8319 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8320 p = "Draw claim: 50-move rule";
8321 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8322 p = "Draw claim: 3-fold repetition";
8323 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8324 p = "Draw claim: insufficient mating material";
8325 if( p != NULL && canAdjudicate) {
8326 if(engineOpponent) {
8327 SendToProgram("force\n", engineOpponent); // suppress reply
8328 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8330 GameEnds( GameIsDrawn, p, GE_XBOARD );
8335 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8336 if(engineOpponent) {
8337 SendToProgram("force\n", engineOpponent); // suppress reply
8338 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8340 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8346 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8347 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8348 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8353 int pieces[10], squares[10], cnt=0, r, f, res;
8355 static PPROBE_EGBB probeBB;
8356 if(!appData.testLegality) return 10;
8357 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8358 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8359 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8360 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8361 ChessSquare piece = boards[forwardMostMove][r][f];
8362 int black = (piece >= BlackPawn);
8363 int type = piece - black*BlackPawn;
8364 if(piece == EmptySquare) continue;
8365 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8366 if(type == WhiteKing) type = WhiteQueen + 1;
8367 type = egbbCode[type];
8368 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8369 pieces[cnt] = type + black*6;
8370 if(++cnt > 5) return 11;
8372 pieces[cnt] = squares[cnt] = 0;
8374 if(loaded == 2) return 13; // loading failed before
8376 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8379 loaded = 2; // prepare for failure
8380 if(!path) return 13; // no egbb installed
8381 strncpy(buf, path + 8, MSG_SIZ);
8382 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8383 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8384 lib = LoadLibrary(buf);
8385 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8386 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8387 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8388 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8389 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8390 loaded = 1; // success!
8392 res = probeBB(forwardMostMove & 1, pieces, squares);
8393 return res > 0 ? 1 : res < 0 ? -1 : 0;
8397 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8398 { // [HGM] book: this routine intercepts moves to simulate book replies
8399 char *bookHit = NULL;
8401 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8403 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8404 SendToProgram(buf, cps);
8406 //first determine if the incoming move brings opponent into his book
8407 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8408 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8409 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8410 if(bookHit != NULL && !cps->bookSuspend) {
8411 // make sure opponent is not going to reply after receiving move to book position
8412 SendToProgram("force\n", cps);
8413 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8415 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8416 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8417 // now arrange restart after book miss
8419 // after a book hit we never send 'go', and the code after the call to this routine
8420 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8421 char buf[MSG_SIZ], *move = bookHit;
8423 int fromX, fromY, toX, toY;
8427 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8428 &fromX, &fromY, &toX, &toY, &promoChar)) {
8429 (void) CoordsToAlgebraic(boards[forwardMostMove],
8430 PosFlags(forwardMostMove),
8431 fromY, fromX, toY, toX, promoChar, move);
8433 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8437 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8438 SendToProgram(buf, cps);
8439 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8440 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8441 SendToProgram("go\n", cps);
8442 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8443 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8444 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8445 SendToProgram("go\n", cps);
8446 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8448 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8452 LoadError (char *errmess, ChessProgramState *cps)
8453 { // unloads engine and switches back to -ncp mode if it was first
8454 if(cps->initDone) return FALSE;
8455 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8456 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8459 appData.noChessProgram = TRUE;
8460 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8461 gameMode = BeginningOfGame; ModeHighlight();
8464 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8465 DisplayMessage("", ""); // erase waiting message
8466 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8471 ChessProgramState *savedState;
8473 DeferredBookMove (void)
8475 if(savedState->lastPing != savedState->lastPong)
8476 ScheduleDelayedEvent(DeferredBookMove, 10);
8478 HandleMachineMove(savedMessage, savedState);
8481 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8482 static ChessProgramState *stalledEngine;
8483 static char stashedInputMove[MSG_SIZ];
8486 HandleMachineMove (char *message, ChessProgramState *cps)
8488 static char firstLeg[20];
8489 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8490 char realname[MSG_SIZ];
8491 int fromX, fromY, toX, toY;
8493 char promoChar, roar;
8495 int machineWhite, oldError;
8498 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8499 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8500 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8501 DisplayError(_("Invalid pairing from pairing engine"), 0);
8504 pairingReceived = 1;
8506 return; // Skim the pairing messages here.
8509 oldError = cps->userError; cps->userError = 0;
8511 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8513 * Kludge to ignore BEL characters
8515 while (*message == '\007') message++;
8518 * [HGM] engine debug message: ignore lines starting with '#' character
8520 if(cps->debug && *message == '#') return;
8523 * Look for book output
8525 if (cps == &first && bookRequested) {
8526 if (message[0] == '\t' || message[0] == ' ') {
8527 /* Part of the book output is here; append it */
8528 strcat(bookOutput, message);
8529 strcat(bookOutput, " \n");
8531 } else if (bookOutput[0] != NULLCHAR) {
8532 /* All of book output has arrived; display it */
8533 char *p = bookOutput;
8534 while (*p != NULLCHAR) {
8535 if (*p == '\t') *p = ' ';
8538 DisplayInformation(bookOutput);
8539 bookRequested = FALSE;
8540 /* Fall through to parse the current output */
8545 * Look for machine move.
8547 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8548 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8550 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8551 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8552 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8553 stalledEngine = cps;
8554 if(appData.ponderNextMove) { // bring opponent out of ponder
8555 if(gameMode == TwoMachinesPlay) {
8556 if(cps->other->pause)
8557 PauseEngine(cps->other);
8559 SendToProgram("easy\n", cps->other);
8566 /* This method is only useful on engines that support ping */
8567 if (cps->lastPing != cps->lastPong) {
8568 if (gameMode == BeginningOfGame) {
8569 /* Extra move from before last new; ignore */
8570 if (appData.debugMode) {
8571 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8574 if (appData.debugMode) {
8575 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8576 cps->which, gameMode);
8579 SendToProgram("undo\n", cps);
8585 case BeginningOfGame:
8586 /* Extra move from before last reset; ignore */
8587 if (appData.debugMode) {
8588 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8595 /* Extra move after we tried to stop. The mode test is
8596 not a reliable way of detecting this problem, but it's
8597 the best we can do on engines that don't support ping.
8599 if (appData.debugMode) {
8600 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8601 cps->which, gameMode);
8603 SendToProgram("undo\n", cps);
8606 case MachinePlaysWhite:
8607 case IcsPlayingWhite:
8608 machineWhite = TRUE;
8611 case MachinePlaysBlack:
8612 case IcsPlayingBlack:
8613 machineWhite = FALSE;
8616 case TwoMachinesPlay:
8617 machineWhite = (cps->twoMachinesColor[0] == 'w');
8620 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8621 if (appData.debugMode) {
8623 "Ignoring move out of turn by %s, gameMode %d"
8624 ", forwardMost %d\n",
8625 cps->which, gameMode, forwardMostMove);
8630 if(cps->alphaRank) AlphaRank(machineMove, 4);
8632 // [HGM] lion: (some very limited) support for Alien protocol
8634 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8635 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8637 } else if(firstLeg[0]) { // there was a previous leg;
8638 // only support case where same piece makes two step (and don't even test that!)
8639 char buf[20], *p = machineMove+1, *q = buf+1, f;
8640 safeStrCpy(buf, machineMove, 20);
8641 while(isdigit(*q)) q++; // find start of to-square
8642 safeStrCpy(machineMove, firstLeg, 20);
8643 while(isdigit(*p)) p++;
8644 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8645 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8646 firstLeg[0] = NULLCHAR;
8649 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8650 &fromX, &fromY, &toX, &toY, &promoChar)) {
8651 /* Machine move could not be parsed; ignore it. */
8652 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8653 machineMove, _(cps->which));
8654 DisplayMoveError(buf1);
8655 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8656 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8657 if (gameMode == TwoMachinesPlay) {
8658 GameEnds(machineWhite ? BlackWins : WhiteWins,
8664 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8665 /* So we have to redo legality test with true e.p. status here, */
8666 /* to make sure an illegal e.p. capture does not slip through, */
8667 /* to cause a forfeit on a justified illegal-move complaint */
8668 /* of the opponent. */
8669 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8671 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8672 fromY, fromX, toY, toX, promoChar);
8673 if(moveType == IllegalMove) {
8674 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8675 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8676 GameEnds(machineWhite ? BlackWins : WhiteWins,
8679 } else if(!appData.fischerCastling)
8680 /* [HGM] Kludge to handle engines that send FRC-style castling
8681 when they shouldn't (like TSCP-Gothic) */
8683 case WhiteASideCastleFR:
8684 case BlackASideCastleFR:
8686 currentMoveString[2]++;
8688 case WhiteHSideCastleFR:
8689 case BlackHSideCastleFR:
8691 currentMoveString[2]--;
8693 default: ; // nothing to do, but suppresses warning of pedantic compilers
8696 hintRequested = FALSE;
8697 lastHint[0] = NULLCHAR;
8698 bookRequested = FALSE;
8699 /* Program may be pondering now */
8700 cps->maybeThinking = TRUE;
8701 if (cps->sendTime == 2) cps->sendTime = 1;
8702 if (cps->offeredDraw) cps->offeredDraw--;
8704 /* [AS] Save move info*/
8705 pvInfoList[ forwardMostMove ].score = programStats.score;
8706 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8707 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8709 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8711 /* Test suites abort the 'game' after one move */
8712 if(*appData.finger) {
8714 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8715 if(!f) f = fopen(appData.finger, "w");
8716 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8717 else { DisplayFatalError("Bad output file", errno, 0); return; }
8719 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8722 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8723 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8726 while( count < adjudicateLossPlies ) {
8727 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8730 score = -score; /* Flip score for winning side */
8732 printf("score=%d count=%d\n",score,count);
8733 if( score > appData.adjudicateLossThreshold ) {
8740 if( count >= adjudicateLossPlies ) {
8741 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8743 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8744 "Xboard adjudication",
8751 if(Adjudicate(cps)) {
8752 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8753 return; // [HGM] adjudicate: for all automatic game ends
8757 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8759 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8760 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8762 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8764 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8766 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8767 char buf[3*MSG_SIZ];
8769 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8770 programStats.score / 100.,
8772 programStats.time / 100.,
8773 (unsigned int)programStats.nodes,
8774 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8775 programStats.movelist);
8781 /* [AS] Clear stats for next move */
8782 ClearProgramStats();
8783 thinkOutput[0] = NULLCHAR;
8784 hiddenThinkOutputState = 0;
8787 if (gameMode == TwoMachinesPlay) {
8788 /* [HGM] relaying draw offers moved to after reception of move */
8789 /* and interpreting offer as claim if it brings draw condition */
8790 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8791 SendToProgram("draw\n", cps->other);
8793 if (cps->other->sendTime) {
8794 SendTimeRemaining(cps->other,
8795 cps->other->twoMachinesColor[0] == 'w');
8797 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8798 if (firstMove && !bookHit) {
8800 if (cps->other->useColors) {
8801 SendToProgram(cps->other->twoMachinesColor, cps->other);
8803 SendToProgram("go\n", cps->other);
8805 cps->other->maybeThinking = TRUE;
8808 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8810 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8812 if (!pausing && appData.ringBellAfterMoves) {
8813 if(!roar) RingBell();
8817 * Reenable menu items that were disabled while
8818 * machine was thinking
8820 if (gameMode != TwoMachinesPlay)
8821 SetUserThinkingEnables();
8823 // [HGM] book: after book hit opponent has received move and is now in force mode
8824 // force the book reply into it, and then fake that it outputted this move by jumping
8825 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8827 static char bookMove[MSG_SIZ]; // a bit generous?
8829 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8830 strcat(bookMove, bookHit);
8833 programStats.nodes = programStats.depth = programStats.time =
8834 programStats.score = programStats.got_only_move = 0;
8835 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8837 if(cps->lastPing != cps->lastPong) {
8838 savedMessage = message; // args for deferred call
8840 ScheduleDelayedEvent(DeferredBookMove, 10);
8849 /* Set special modes for chess engines. Later something general
8850 * could be added here; for now there is just one kludge feature,
8851 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8852 * when "xboard" is given as an interactive command.
8854 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8855 cps->useSigint = FALSE;
8856 cps->useSigterm = FALSE;
8858 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8859 ParseFeatures(message+8, cps);
8860 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8863 if (!strncmp(message, "setup ", 6) &&
8864 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8865 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8866 ) { // [HGM] allow first engine to define opening position
8867 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8868 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8870 if(sscanf(message, "setup (%s", buf) == 1) {
8871 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8872 ASSIGN(appData.pieceToCharTable, buf);
8874 if(startedFromSetupPosition) return;
8875 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8877 while(message[s] && message[s++] != ' ');
8878 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8879 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8880 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8881 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8882 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8883 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8886 ParseFEN(boards[0], &dummy, message+s, FALSE);
8887 DrawPosition(TRUE, boards[0]);
8888 startedFromSetupPosition = TRUE;
8891 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8892 ChessSquare piece = WhitePawn;
8894 if(cps != &first || appData.testLegality) return;
8895 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8896 piece += CharToPiece(*p) - WhitePawn;
8897 if(piece < EmptySquare) {
8899 ASSIGN(pieceDesc[piece], buf1);
8900 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8904 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8905 * want this, I was asked to put it in, and obliged.
8907 if (!strncmp(message, "setboard ", 9)) {
8908 Board initial_position;
8910 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8912 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8913 DisplayError(_("Bad FEN received from engine"), 0);
8917 CopyBoard(boards[0], initial_position);
8918 initialRulePlies = FENrulePlies;
8919 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8920 else gameMode = MachinePlaysBlack;
8921 DrawPosition(FALSE, boards[currentMove]);
8927 * Look for communication commands
8929 if (!strncmp(message, "telluser ", 9)) {
8930 if(message[9] == '\\' && message[10] == '\\')
8931 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8933 DisplayNote(message + 9);
8936 if (!strncmp(message, "tellusererror ", 14)) {
8938 if(message[14] == '\\' && message[15] == '\\')
8939 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8941 DisplayError(message + 14, 0);
8944 if (!strncmp(message, "tellopponent ", 13)) {
8945 if (appData.icsActive) {
8947 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8951 DisplayNote(message + 13);
8955 if (!strncmp(message, "tellothers ", 11)) {
8956 if (appData.icsActive) {
8958 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8961 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8964 if (!strncmp(message, "tellall ", 8)) {
8965 if (appData.icsActive) {
8967 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8971 DisplayNote(message + 8);
8975 if (strncmp(message, "warning", 7) == 0) {
8976 /* Undocumented feature, use tellusererror in new code */
8977 DisplayError(message, 0);
8980 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8981 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8982 strcat(realname, " query");
8983 AskQuestion(realname, buf2, buf1, cps->pr);
8986 /* Commands from the engine directly to ICS. We don't allow these to be
8987 * sent until we are logged on. Crafty kibitzes have been known to
8988 * interfere with the login process.
8991 if (!strncmp(message, "tellics ", 8)) {
8992 SendToICS(message + 8);
8996 if (!strncmp(message, "tellicsnoalias ", 15)) {
8997 SendToICS(ics_prefix);
8998 SendToICS(message + 15);
9002 /* The following are for backward compatibility only */
9003 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9004 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9005 SendToICS(ics_prefix);
9011 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9012 if(initPing == cps->lastPong) {
9013 if(gameInfo.variant == VariantUnknown) {
9014 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9015 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9016 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9022 if(!strncmp(message, "highlight ", 10)) {
9023 if(appData.testLegality && appData.markers) return;
9024 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9027 if(!strncmp(message, "click ", 6)) {
9028 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9029 if(appData.testLegality || !appData.oneClick) return;
9030 sscanf(message+6, "%c%d%c", &f, &y, &c);
9031 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9032 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9033 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9034 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9035 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9036 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9037 LeftClick(Release, lastLeftX, lastLeftY);
9038 controlKey = (c == ',');
9039 LeftClick(Press, x, y);
9040 LeftClick(Release, x, y);
9041 first.highlight = f;
9045 * If the move is illegal, cancel it and redraw the board.
9046 * Also deal with other error cases. Matching is rather loose
9047 * here to accommodate engines written before the spec.
9049 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9050 strncmp(message, "Error", 5) == 0) {
9051 if (StrStr(message, "name") ||
9052 StrStr(message, "rating") || StrStr(message, "?") ||
9053 StrStr(message, "result") || StrStr(message, "board") ||
9054 StrStr(message, "bk") || StrStr(message, "computer") ||
9055 StrStr(message, "variant") || StrStr(message, "hint") ||
9056 StrStr(message, "random") || StrStr(message, "depth") ||
9057 StrStr(message, "accepted")) {
9060 if (StrStr(message, "protover")) {
9061 /* Program is responding to input, so it's apparently done
9062 initializing, and this error message indicates it is
9063 protocol version 1. So we don't need to wait any longer
9064 for it to initialize and send feature commands. */
9065 FeatureDone(cps, 1);
9066 cps->protocolVersion = 1;
9069 cps->maybeThinking = FALSE;
9071 if (StrStr(message, "draw")) {
9072 /* Program doesn't have "draw" command */
9073 cps->sendDrawOffers = 0;
9076 if (cps->sendTime != 1 &&
9077 (StrStr(message, "time") || StrStr(message, "otim"))) {
9078 /* Program apparently doesn't have "time" or "otim" command */
9082 if (StrStr(message, "analyze")) {
9083 cps->analysisSupport = FALSE;
9084 cps->analyzing = FALSE;
9085 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9086 EditGameEvent(); // [HGM] try to preserve loaded game
9087 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9088 DisplayError(buf2, 0);
9091 if (StrStr(message, "(no matching move)st")) {
9092 /* Special kludge for GNU Chess 4 only */
9093 cps->stKludge = TRUE;
9094 SendTimeControl(cps, movesPerSession, timeControl,
9095 timeIncrement, appData.searchDepth,
9099 if (StrStr(message, "(no matching move)sd")) {
9100 /* Special kludge for GNU Chess 4 only */
9101 cps->sdKludge = TRUE;
9102 SendTimeControl(cps, movesPerSession, timeControl,
9103 timeIncrement, appData.searchDepth,
9107 if (!StrStr(message, "llegal")) {
9110 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9111 gameMode == IcsIdle) return;
9112 if (forwardMostMove <= backwardMostMove) return;
9113 if (pausing) PauseEvent();
9114 if(appData.forceIllegal) {
9115 // [HGM] illegal: machine refused move; force position after move into it
9116 SendToProgram("force\n", cps);
9117 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9118 // we have a real problem now, as SendBoard will use the a2a3 kludge
9119 // when black is to move, while there might be nothing on a2 or black
9120 // might already have the move. So send the board as if white has the move.
9121 // But first we must change the stm of the engine, as it refused the last move
9122 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9123 if(WhiteOnMove(forwardMostMove)) {
9124 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9125 SendBoard(cps, forwardMostMove); // kludgeless board
9127 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9128 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9129 SendBoard(cps, forwardMostMove+1); // kludgeless board
9131 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9132 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9133 gameMode == TwoMachinesPlay)
9134 SendToProgram("go\n", cps);
9137 if (gameMode == PlayFromGameFile) {
9138 /* Stop reading this game file */
9139 gameMode = EditGame;
9142 /* [HGM] illegal-move claim should forfeit game when Xboard */
9143 /* only passes fully legal moves */
9144 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9145 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9146 "False illegal-move claim", GE_XBOARD );
9147 return; // do not take back move we tested as valid
9149 currentMove = forwardMostMove-1;
9150 DisplayMove(currentMove-1); /* before DisplayMoveError */
9151 SwitchClocks(forwardMostMove-1); // [HGM] race
9152 DisplayBothClocks();
9153 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9154 parseList[currentMove], _(cps->which));
9155 DisplayMoveError(buf1);
9156 DrawPosition(FALSE, boards[currentMove]);
9158 SetUserThinkingEnables();
9161 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9162 /* Program has a broken "time" command that
9163 outputs a string not ending in newline.
9167 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9168 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9169 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9173 * If chess program startup fails, exit with an error message.
9174 * Attempts to recover here are futile. [HGM] Well, we try anyway
9176 if ((StrStr(message, "unknown host") != NULL)
9177 || (StrStr(message, "No remote directory") != NULL)
9178 || (StrStr(message, "not found") != NULL)
9179 || (StrStr(message, "No such file") != NULL)
9180 || (StrStr(message, "can't alloc") != NULL)
9181 || (StrStr(message, "Permission denied") != NULL)) {
9183 cps->maybeThinking = FALSE;
9184 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9185 _(cps->which), cps->program, cps->host, message);
9186 RemoveInputSource(cps->isr);
9187 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9188 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9189 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9195 * Look for hint output
9197 if (sscanf(message, "Hint: %s", buf1) == 1) {
9198 if (cps == &first && hintRequested) {
9199 hintRequested = FALSE;
9200 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9201 &fromX, &fromY, &toX, &toY, &promoChar)) {
9202 (void) CoordsToAlgebraic(boards[forwardMostMove],
9203 PosFlags(forwardMostMove),
9204 fromY, fromX, toY, toX, promoChar, buf1);
9205 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9206 DisplayInformation(buf2);
9208 /* Hint move could not be parsed!? */
9209 snprintf(buf2, sizeof(buf2),
9210 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9211 buf1, _(cps->which));
9212 DisplayError(buf2, 0);
9215 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9221 * Ignore other messages if game is not in progress
9223 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9224 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9227 * look for win, lose, draw, or draw offer
9229 if (strncmp(message, "1-0", 3) == 0) {
9230 char *p, *q, *r = "";
9231 p = strchr(message, '{');
9239 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9241 } else if (strncmp(message, "0-1", 3) == 0) {
9242 char *p, *q, *r = "";
9243 p = strchr(message, '{');
9251 /* Kludge for Arasan 4.1 bug */
9252 if (strcmp(r, "Black resigns") == 0) {
9253 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9256 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9258 } else if (strncmp(message, "1/2", 3) == 0) {
9259 char *p, *q, *r = "";
9260 p = strchr(message, '{');
9269 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9272 } else if (strncmp(message, "White resign", 12) == 0) {
9273 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9275 } else if (strncmp(message, "Black resign", 12) == 0) {
9276 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9278 } else if (strncmp(message, "White matches", 13) == 0 ||
9279 strncmp(message, "Black matches", 13) == 0 ) {
9280 /* [HGM] ignore GNUShogi noises */
9282 } else if (strncmp(message, "White", 5) == 0 &&
9283 message[5] != '(' &&
9284 StrStr(message, "Black") == NULL) {
9285 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9287 } else if (strncmp(message, "Black", 5) == 0 &&
9288 message[5] != '(') {
9289 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9291 } else if (strcmp(message, "resign") == 0 ||
9292 strcmp(message, "computer resigns") == 0) {
9294 case MachinePlaysBlack:
9295 case IcsPlayingBlack:
9296 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9298 case MachinePlaysWhite:
9299 case IcsPlayingWhite:
9300 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9302 case TwoMachinesPlay:
9303 if (cps->twoMachinesColor[0] == 'w')
9304 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9306 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9313 } else if (strncmp(message, "opponent mates", 14) == 0) {
9315 case MachinePlaysBlack:
9316 case IcsPlayingBlack:
9317 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9319 case MachinePlaysWhite:
9320 case IcsPlayingWhite:
9321 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9323 case TwoMachinesPlay:
9324 if (cps->twoMachinesColor[0] == 'w')
9325 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9327 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9334 } else if (strncmp(message, "computer mates", 14) == 0) {
9336 case MachinePlaysBlack:
9337 case IcsPlayingBlack:
9338 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9340 case MachinePlaysWhite:
9341 case IcsPlayingWhite:
9342 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9344 case TwoMachinesPlay:
9345 if (cps->twoMachinesColor[0] == 'w')
9346 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9348 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9355 } else if (strncmp(message, "checkmate", 9) == 0) {
9356 if (WhiteOnMove(forwardMostMove)) {
9357 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9359 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9362 } else if (strstr(message, "Draw") != NULL ||
9363 strstr(message, "game is a draw") != NULL) {
9364 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9366 } else if (strstr(message, "offer") != NULL &&
9367 strstr(message, "draw") != NULL) {
9369 if (appData.zippyPlay && first.initDone) {
9370 /* Relay offer to ICS */
9371 SendToICS(ics_prefix);
9372 SendToICS("draw\n");
9375 cps->offeredDraw = 2; /* valid until this engine moves twice */
9376 if (gameMode == TwoMachinesPlay) {
9377 if (cps->other->offeredDraw) {
9378 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9379 /* [HGM] in two-machine mode we delay relaying draw offer */
9380 /* until after we also have move, to see if it is really claim */
9382 } else if (gameMode == MachinePlaysWhite ||
9383 gameMode == MachinePlaysBlack) {
9384 if (userOfferedDraw) {
9385 DisplayInformation(_("Machine accepts your draw offer"));
9386 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9388 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9395 * Look for thinking output
9397 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9398 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9400 int plylev, mvleft, mvtot, curscore, time;
9401 char mvname[MOVE_LEN];
9405 int prefixHint = FALSE;
9406 mvname[0] = NULLCHAR;
9409 case MachinePlaysBlack:
9410 case IcsPlayingBlack:
9411 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9413 case MachinePlaysWhite:
9414 case IcsPlayingWhite:
9415 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9420 case IcsObserving: /* [DM] icsEngineAnalyze */
9421 if (!appData.icsEngineAnalyze) ignore = TRUE;
9423 case TwoMachinesPlay:
9424 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9434 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9436 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9437 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9439 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9440 nodes += u64Const(0x100000000);
9442 if (plyext != ' ' && plyext != '\t') {
9446 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9447 if( cps->scoreIsAbsolute &&
9448 ( gameMode == MachinePlaysBlack ||
9449 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9450 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9451 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9452 !WhiteOnMove(currentMove)
9455 curscore = -curscore;
9458 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9460 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9463 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9464 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9465 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9466 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9467 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9468 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9472 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9473 DisplayError(_("failed writing PV"), 0);
9476 tempStats.depth = plylev;
9477 tempStats.nodes = nodes;
9478 tempStats.time = time;
9479 tempStats.score = curscore;
9480 tempStats.got_only_move = 0;
9482 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9485 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9486 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9487 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9488 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9489 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9490 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9491 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9492 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9495 /* Buffer overflow protection */
9496 if (pv[0] != NULLCHAR) {
9497 if (strlen(pv) >= sizeof(tempStats.movelist)
9498 && appData.debugMode) {
9500 "PV is too long; using the first %u bytes.\n",
9501 (unsigned) sizeof(tempStats.movelist) - 1);
9504 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9506 sprintf(tempStats.movelist, " no PV\n");
9509 if (tempStats.seen_stat) {
9510 tempStats.ok_to_send = 1;
9513 if (strchr(tempStats.movelist, '(') != NULL) {
9514 tempStats.line_is_book = 1;
9515 tempStats.nr_moves = 0;
9516 tempStats.moves_left = 0;
9518 tempStats.line_is_book = 0;
9521 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9522 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9524 SendProgramStatsToFrontend( cps, &tempStats );
9527 [AS] Protect the thinkOutput buffer from overflow... this
9528 is only useful if buf1 hasn't overflowed first!
9530 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9532 (gameMode == TwoMachinesPlay ?
9533 ToUpper(cps->twoMachinesColor[0]) : ' '),
9534 ((double) curscore) / 100.0,
9535 prefixHint ? lastHint : "",
9536 prefixHint ? " " : "" );
9538 if( buf1[0] != NULLCHAR ) {
9539 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9541 if( strlen(pv) > max_len ) {
9542 if( appData.debugMode) {
9543 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9545 pv[max_len+1] = '\0';
9548 strcat( thinkOutput, pv);
9551 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9552 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9553 DisplayMove(currentMove - 1);
9557 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9558 /* crafty (9.25+) says "(only move) <move>"
9559 * if there is only 1 legal move
9561 sscanf(p, "(only move) %s", buf1);
9562 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9563 sprintf(programStats.movelist, "%s (only move)", buf1);
9564 programStats.depth = 1;
9565 programStats.nr_moves = 1;
9566 programStats.moves_left = 1;
9567 programStats.nodes = 1;
9568 programStats.time = 1;
9569 programStats.got_only_move = 1;
9571 /* Not really, but we also use this member to
9572 mean "line isn't going to change" (Crafty
9573 isn't searching, so stats won't change) */
9574 programStats.line_is_book = 1;
9576 SendProgramStatsToFrontend( cps, &programStats );
9578 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9579 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9580 DisplayMove(currentMove - 1);
9583 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9584 &time, &nodes, &plylev, &mvleft,
9585 &mvtot, mvname) >= 5) {
9586 /* The stat01: line is from Crafty (9.29+) in response
9587 to the "." command */
9588 programStats.seen_stat = 1;
9589 cps->maybeThinking = TRUE;
9591 if (programStats.got_only_move || !appData.periodicUpdates)
9594 programStats.depth = plylev;
9595 programStats.time = time;
9596 programStats.nodes = nodes;
9597 programStats.moves_left = mvleft;
9598 programStats.nr_moves = mvtot;
9599 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9600 programStats.ok_to_send = 1;
9601 programStats.movelist[0] = '\0';
9603 SendProgramStatsToFrontend( cps, &programStats );
9607 } else if (strncmp(message,"++",2) == 0) {
9608 /* Crafty 9.29+ outputs this */
9609 programStats.got_fail = 2;
9612 } else if (strncmp(message,"--",2) == 0) {
9613 /* Crafty 9.29+ outputs this */
9614 programStats.got_fail = 1;
9617 } else if (thinkOutput[0] != NULLCHAR &&
9618 strncmp(message, " ", 4) == 0) {
9619 unsigned message_len;
9622 while (*p && *p == ' ') p++;
9624 message_len = strlen( p );
9626 /* [AS] Avoid buffer overflow */
9627 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9628 strcat(thinkOutput, " ");
9629 strcat(thinkOutput, p);
9632 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9633 strcat(programStats.movelist, " ");
9634 strcat(programStats.movelist, p);
9637 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9638 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9639 DisplayMove(currentMove - 1);
9647 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9648 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9650 ChessProgramStats cpstats;
9652 if (plyext != ' ' && plyext != '\t') {
9656 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9657 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9658 curscore = -curscore;
9661 cpstats.depth = plylev;
9662 cpstats.nodes = nodes;
9663 cpstats.time = time;
9664 cpstats.score = curscore;
9665 cpstats.got_only_move = 0;
9666 cpstats.movelist[0] = '\0';
9668 if (buf1[0] != NULLCHAR) {
9669 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9672 cpstats.ok_to_send = 0;
9673 cpstats.line_is_book = 0;
9674 cpstats.nr_moves = 0;
9675 cpstats.moves_left = 0;
9677 SendProgramStatsToFrontend( cps, &cpstats );
9684 /* Parse a game score from the character string "game", and
9685 record it as the history of the current game. The game
9686 score is NOT assumed to start from the standard position.
9687 The display is not updated in any way.
9690 ParseGameHistory (char *game)
9693 int fromX, fromY, toX, toY, boardIndex;
9698 if (appData.debugMode)
9699 fprintf(debugFP, "Parsing game history: %s\n", game);
9701 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9702 gameInfo.site = StrSave(appData.icsHost);
9703 gameInfo.date = PGNDate();
9704 gameInfo.round = StrSave("-");
9706 /* Parse out names of players */
9707 while (*game == ' ') game++;
9709 while (*game != ' ') *p++ = *game++;
9711 gameInfo.white = StrSave(buf);
9712 while (*game == ' ') game++;
9714 while (*game != ' ' && *game != '\n') *p++ = *game++;
9716 gameInfo.black = StrSave(buf);
9719 boardIndex = blackPlaysFirst ? 1 : 0;
9722 yyboardindex = boardIndex;
9723 moveType = (ChessMove) Myylex();
9725 case IllegalMove: /* maybe suicide chess, etc. */
9726 if (appData.debugMode) {
9727 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9728 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9729 setbuf(debugFP, NULL);
9731 case WhitePromotion:
9732 case BlackPromotion:
9733 case WhiteNonPromotion:
9734 case BlackNonPromotion:
9737 case WhiteCapturesEnPassant:
9738 case BlackCapturesEnPassant:
9739 case WhiteKingSideCastle:
9740 case WhiteQueenSideCastle:
9741 case BlackKingSideCastle:
9742 case BlackQueenSideCastle:
9743 case WhiteKingSideCastleWild:
9744 case WhiteQueenSideCastleWild:
9745 case BlackKingSideCastleWild:
9746 case BlackQueenSideCastleWild:
9748 case WhiteHSideCastleFR:
9749 case WhiteASideCastleFR:
9750 case BlackHSideCastleFR:
9751 case BlackASideCastleFR:
9753 fromX = currentMoveString[0] - AAA;
9754 fromY = currentMoveString[1] - ONE;
9755 toX = currentMoveString[2] - AAA;
9756 toY = currentMoveString[3] - ONE;
9757 promoChar = currentMoveString[4];
9761 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9762 fromX = moveType == WhiteDrop ?
9763 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9764 (int) CharToPiece(ToLower(currentMoveString[0]));
9766 toX = currentMoveString[2] - AAA;
9767 toY = currentMoveString[3] - ONE;
9768 promoChar = NULLCHAR;
9772 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9773 if (appData.debugMode) {
9774 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9775 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9776 setbuf(debugFP, NULL);
9778 DisplayError(buf, 0);
9780 case ImpossibleMove:
9782 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9783 if (appData.debugMode) {
9784 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9785 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9786 setbuf(debugFP, NULL);
9788 DisplayError(buf, 0);
9791 if (boardIndex < backwardMostMove) {
9792 /* Oops, gap. How did that happen? */
9793 DisplayError(_("Gap in move list"), 0);
9796 backwardMostMove = blackPlaysFirst ? 1 : 0;
9797 if (boardIndex > forwardMostMove) {
9798 forwardMostMove = boardIndex;
9802 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9803 strcat(parseList[boardIndex-1], " ");
9804 strcat(parseList[boardIndex-1], yy_text);
9816 case GameUnfinished:
9817 if (gameMode == IcsExamining) {
9818 if (boardIndex < backwardMostMove) {
9819 /* Oops, gap. How did that happen? */
9822 backwardMostMove = blackPlaysFirst ? 1 : 0;
9825 gameInfo.result = moveType;
9826 p = strchr(yy_text, '{');
9827 if (p == NULL) p = strchr(yy_text, '(');
9830 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9832 q = strchr(p, *p == '{' ? '}' : ')');
9833 if (q != NULL) *q = NULLCHAR;
9836 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9837 gameInfo.resultDetails = StrSave(p);
9840 if (boardIndex >= forwardMostMove &&
9841 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9842 backwardMostMove = blackPlaysFirst ? 1 : 0;
9845 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9846 fromY, fromX, toY, toX, promoChar,
9847 parseList[boardIndex]);
9848 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9849 /* currentMoveString is set as a side-effect of yylex */
9850 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9851 strcat(moveList[boardIndex], "\n");
9853 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9854 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9860 if(!IS_SHOGI(gameInfo.variant))
9861 strcat(parseList[boardIndex - 1], "+");
9865 strcat(parseList[boardIndex - 1], "#");
9872 /* Apply a move to the given board */
9874 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9876 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9877 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9879 /* [HGM] compute & store e.p. status and castling rights for new position */
9880 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9882 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9883 oldEP = (signed char)board[EP_STATUS];
9884 board[EP_STATUS] = EP_NONE;
9886 if (fromY == DROP_RANK) {
9888 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9889 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9892 piece = board[toY][toX] = (ChessSquare) fromX;
9894 // ChessSquare victim;
9897 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9898 // victim = board[killY][killX],
9899 board[killY][killX] = EmptySquare,
9900 board[EP_STATUS] = EP_CAPTURE;
9902 if( board[toY][toX] != EmptySquare ) {
9903 board[EP_STATUS] = EP_CAPTURE;
9904 if( (fromX != toX || fromY != toY) && // not igui!
9905 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9906 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9907 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9911 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9912 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9913 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9915 if( board[fromY][fromX] == WhitePawn ) {
9916 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9917 board[EP_STATUS] = EP_PAWN_MOVE;
9919 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9920 gameInfo.variant != VariantBerolina || toX < fromX)
9921 board[EP_STATUS] = toX | berolina;
9922 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9923 gameInfo.variant != VariantBerolina || toX > fromX)
9924 board[EP_STATUS] = toX;
9927 if( board[fromY][fromX] == BlackPawn ) {
9928 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9929 board[EP_STATUS] = EP_PAWN_MOVE;
9930 if( toY-fromY== -2) {
9931 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9932 gameInfo.variant != VariantBerolina || toX < fromX)
9933 board[EP_STATUS] = toX | berolina;
9934 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9935 gameInfo.variant != VariantBerolina || toX > fromX)
9936 board[EP_STATUS] = toX;
9940 for(i=0; i<nrCastlingRights; i++) {
9941 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9942 board[CASTLING][i] == toX && castlingRank[i] == toY
9943 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9946 if(gameInfo.variant == VariantSChess) { // update virginity
9947 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9948 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9949 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9950 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9953 if (fromX == toX && fromY == toY) return;
9955 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9956 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9957 if(gameInfo.variant == VariantKnightmate)
9958 king += (int) WhiteUnicorn - (int) WhiteKing;
9960 /* Code added by Tord: */
9961 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9962 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9963 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9964 board[fromY][fromX] = EmptySquare;
9965 board[toY][toX] = EmptySquare;
9966 if((toX > fromX) != (piece == WhiteRook)) {
9967 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9969 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9971 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9972 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9973 board[fromY][fromX] = EmptySquare;
9974 board[toY][toX] = EmptySquare;
9975 if((toX > fromX) != (piece == BlackRook)) {
9976 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9978 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9980 /* End of code added by Tord */
9982 } else if (board[fromY][fromX] == king
9983 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9984 && toY == fromY && toX > fromX+1) {
9985 board[fromY][fromX] = EmptySquare;
9986 board[toY][toX] = king;
9987 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9988 board[fromY][BOARD_RGHT-1] = EmptySquare;
9989 } else if (board[fromY][fromX] == king
9990 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9991 && toY == fromY && toX < fromX-1) {
9992 board[fromY][fromX] = EmptySquare;
9993 board[toY][toX] = king;
9994 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9995 board[fromY][BOARD_LEFT] = EmptySquare;
9996 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9997 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9998 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10000 /* white pawn promotion */
10001 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10002 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10003 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10004 board[fromY][fromX] = EmptySquare;
10005 } else if ((fromY >= BOARD_HEIGHT>>1)
10006 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10008 && gameInfo.variant != VariantXiangqi
10009 && gameInfo.variant != VariantBerolina
10010 && (board[fromY][fromX] == WhitePawn)
10011 && (board[toY][toX] == EmptySquare)) {
10012 board[fromY][fromX] = EmptySquare;
10013 board[toY][toX] = WhitePawn;
10014 captured = board[toY - 1][toX];
10015 board[toY - 1][toX] = EmptySquare;
10016 } else if ((fromY == BOARD_HEIGHT-4)
10018 && gameInfo.variant == VariantBerolina
10019 && (board[fromY][fromX] == WhitePawn)
10020 && (board[toY][toX] == EmptySquare)) {
10021 board[fromY][fromX] = EmptySquare;
10022 board[toY][toX] = WhitePawn;
10023 if(oldEP & EP_BEROLIN_A) {
10024 captured = board[fromY][fromX-1];
10025 board[fromY][fromX-1] = EmptySquare;
10026 }else{ captured = board[fromY][fromX+1];
10027 board[fromY][fromX+1] = EmptySquare;
10029 } else if (board[fromY][fromX] == king
10030 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10031 && toY == fromY && toX > fromX+1) {
10032 board[fromY][fromX] = EmptySquare;
10033 board[toY][toX] = king;
10034 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10035 board[fromY][BOARD_RGHT-1] = EmptySquare;
10036 } else if (board[fromY][fromX] == king
10037 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10038 && toY == fromY && toX < fromX-1) {
10039 board[fromY][fromX] = EmptySquare;
10040 board[toY][toX] = king;
10041 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10042 board[fromY][BOARD_LEFT] = EmptySquare;
10043 } else if (fromY == 7 && fromX == 3
10044 && board[fromY][fromX] == BlackKing
10045 && toY == 7 && toX == 5) {
10046 board[fromY][fromX] = EmptySquare;
10047 board[toY][toX] = BlackKing;
10048 board[fromY][7] = EmptySquare;
10049 board[toY][4] = BlackRook;
10050 } else if (fromY == 7 && fromX == 3
10051 && board[fromY][fromX] == BlackKing
10052 && toY == 7 && toX == 1) {
10053 board[fromY][fromX] = EmptySquare;
10054 board[toY][toX] = BlackKing;
10055 board[fromY][0] = EmptySquare;
10056 board[toY][2] = BlackRook;
10057 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10058 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10059 && toY < promoRank && promoChar
10061 /* black pawn promotion */
10062 board[toY][toX] = CharToPiece(ToLower(promoChar));
10063 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10064 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10065 board[fromY][fromX] = EmptySquare;
10066 } else if ((fromY < BOARD_HEIGHT>>1)
10067 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10069 && gameInfo.variant != VariantXiangqi
10070 && gameInfo.variant != VariantBerolina
10071 && (board[fromY][fromX] == BlackPawn)
10072 && (board[toY][toX] == EmptySquare)) {
10073 board[fromY][fromX] = EmptySquare;
10074 board[toY][toX] = BlackPawn;
10075 captured = board[toY + 1][toX];
10076 board[toY + 1][toX] = EmptySquare;
10077 } else if ((fromY == 3)
10079 && gameInfo.variant == VariantBerolina
10080 && (board[fromY][fromX] == BlackPawn)
10081 && (board[toY][toX] == EmptySquare)) {
10082 board[fromY][fromX] = EmptySquare;
10083 board[toY][toX] = BlackPawn;
10084 if(oldEP & EP_BEROLIN_A) {
10085 captured = board[fromY][fromX-1];
10086 board[fromY][fromX-1] = EmptySquare;
10087 }else{ captured = board[fromY][fromX+1];
10088 board[fromY][fromX+1] = EmptySquare;
10091 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10092 board[fromY][fromX] = EmptySquare;
10093 board[toY][toX] = piece;
10097 if (gameInfo.holdingsWidth != 0) {
10099 /* !!A lot more code needs to be written to support holdings */
10100 /* [HGM] OK, so I have written it. Holdings are stored in the */
10101 /* penultimate board files, so they are automaticlly stored */
10102 /* in the game history. */
10103 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10104 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10105 /* Delete from holdings, by decreasing count */
10106 /* and erasing image if necessary */
10107 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10108 if(p < (int) BlackPawn) { /* white drop */
10109 p -= (int)WhitePawn;
10110 p = PieceToNumber((ChessSquare)p);
10111 if(p >= gameInfo.holdingsSize) p = 0;
10112 if(--board[p][BOARD_WIDTH-2] <= 0)
10113 board[p][BOARD_WIDTH-1] = EmptySquare;
10114 if((int)board[p][BOARD_WIDTH-2] < 0)
10115 board[p][BOARD_WIDTH-2] = 0;
10116 } else { /* black drop */
10117 p -= (int)BlackPawn;
10118 p = PieceToNumber((ChessSquare)p);
10119 if(p >= gameInfo.holdingsSize) p = 0;
10120 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10121 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10122 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10123 board[BOARD_HEIGHT-1-p][1] = 0;
10126 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10127 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10128 /* [HGM] holdings: Add to holdings, if holdings exist */
10129 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10130 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10131 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10133 p = (int) captured;
10134 if (p >= (int) BlackPawn) {
10135 p -= (int)BlackPawn;
10136 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10137 /* in Shogi restore piece to its original first */
10138 captured = (ChessSquare) (DEMOTED captured);
10141 p = PieceToNumber((ChessSquare)p);
10142 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10143 board[p][BOARD_WIDTH-2]++;
10144 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10146 p -= (int)WhitePawn;
10147 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10148 captured = (ChessSquare) (DEMOTED captured);
10151 p = PieceToNumber((ChessSquare)p);
10152 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10153 board[BOARD_HEIGHT-1-p][1]++;
10154 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10157 } else if (gameInfo.variant == VariantAtomic) {
10158 if (captured != EmptySquare) {
10160 for (y = toY-1; y <= toY+1; y++) {
10161 for (x = toX-1; x <= toX+1; x++) {
10162 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10163 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10164 board[y][x] = EmptySquare;
10168 board[toY][toX] = EmptySquare;
10172 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10173 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10175 if(promoChar == '+') {
10176 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10177 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10178 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10179 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10180 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10181 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10182 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10183 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10184 board[toY][toX] = newPiece;
10186 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10187 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10188 // [HGM] superchess: take promotion piece out of holdings
10189 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10190 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10191 if(!--board[k][BOARD_WIDTH-2])
10192 board[k][BOARD_WIDTH-1] = EmptySquare;
10194 if(!--board[BOARD_HEIGHT-1-k][1])
10195 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10200 /* Updates forwardMostMove */
10202 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10204 int x = toX, y = toY;
10205 char *s = parseList[forwardMostMove];
10206 ChessSquare p = boards[forwardMostMove][toY][toX];
10207 // forwardMostMove++; // [HGM] bare: moved downstream
10209 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10210 (void) CoordsToAlgebraic(boards[forwardMostMove],
10211 PosFlags(forwardMostMove),
10212 fromY, fromX, y, x, promoChar,
10214 if(killX >= 0 && killY >= 0)
10215 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10217 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10218 int timeLeft; static int lastLoadFlag=0; int king, piece;
10219 piece = boards[forwardMostMove][fromY][fromX];
10220 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10221 if(gameInfo.variant == VariantKnightmate)
10222 king += (int) WhiteUnicorn - (int) WhiteKing;
10223 if(forwardMostMove == 0) {
10224 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10225 fprintf(serverMoves, "%s;", UserName());
10226 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10227 fprintf(serverMoves, "%s;", second.tidy);
10228 fprintf(serverMoves, "%s;", first.tidy);
10229 if(gameMode == MachinePlaysWhite)
10230 fprintf(serverMoves, "%s;", UserName());
10231 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10232 fprintf(serverMoves, "%s;", second.tidy);
10233 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10234 lastLoadFlag = loadFlag;
10236 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10237 // print castling suffix
10238 if( toY == fromY && piece == king ) {
10240 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10242 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10245 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10246 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10247 boards[forwardMostMove][toY][toX] == EmptySquare
10248 && fromX != toX && fromY != toY)
10249 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10250 // promotion suffix
10251 if(promoChar != NULLCHAR) {
10252 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10253 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10254 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10255 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10258 char buf[MOVE_LEN*2], *p; int len;
10259 fprintf(serverMoves, "/%d/%d",
10260 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10261 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10262 else timeLeft = blackTimeRemaining/1000;
10263 fprintf(serverMoves, "/%d", timeLeft);
10264 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10265 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10266 if(p = strchr(buf, '=')) *p = NULLCHAR;
10267 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10268 fprintf(serverMoves, "/%s", buf);
10270 fflush(serverMoves);
10273 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10274 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10277 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10278 if (commentList[forwardMostMove+1] != NULL) {
10279 free(commentList[forwardMostMove+1]);
10280 commentList[forwardMostMove+1] = NULL;
10282 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10283 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10284 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10285 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10286 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10287 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10288 adjustedClock = FALSE;
10289 gameInfo.result = GameUnfinished;
10290 if (gameInfo.resultDetails != NULL) {
10291 free(gameInfo.resultDetails);
10292 gameInfo.resultDetails = NULL;
10294 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10295 moveList[forwardMostMove - 1]);
10296 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10302 if(!IS_SHOGI(gameInfo.variant))
10303 strcat(parseList[forwardMostMove - 1], "+");
10307 strcat(parseList[forwardMostMove - 1], "#");
10312 /* Updates currentMove if not pausing */
10314 ShowMove (int fromX, int fromY, int toX, int toY)
10316 int instant = (gameMode == PlayFromGameFile) ?
10317 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10318 if(appData.noGUI) return;
10319 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10321 if (forwardMostMove == currentMove + 1) {
10322 AnimateMove(boards[forwardMostMove - 1],
10323 fromX, fromY, toX, toY);
10326 currentMove = forwardMostMove;
10329 killX = killY = -1; // [HGM] lion: used up
10331 if (instant) return;
10333 DisplayMove(currentMove - 1);
10334 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10335 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10336 SetHighlights(fromX, fromY, toX, toY);
10339 DrawPosition(FALSE, boards[currentMove]);
10340 DisplayBothClocks();
10341 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10345 SendEgtPath (ChessProgramState *cps)
10346 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10347 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10349 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10352 char c, *q = name+1, *r, *s;
10354 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10355 while(*p && *p != ',') *q++ = *p++;
10356 *q++ = ':'; *q = 0;
10357 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10358 strcmp(name, ",nalimov:") == 0 ) {
10359 // take nalimov path from the menu-changeable option first, if it is defined
10360 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10361 SendToProgram(buf,cps); // send egtbpath command for nalimov
10363 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10364 (s = StrStr(appData.egtFormats, name)) != NULL) {
10365 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10366 s = r = StrStr(s, ":") + 1; // beginning of path info
10367 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10368 c = *r; *r = 0; // temporarily null-terminate path info
10369 *--q = 0; // strip of trailig ':' from name
10370 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10372 SendToProgram(buf,cps); // send egtbpath command for this format
10374 if(*p == ',') p++; // read away comma to position for next format name
10379 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10381 int width = 8, height = 8, holdings = 0; // most common sizes
10382 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10383 // correct the deviations default for each variant
10384 if( v == VariantXiangqi ) width = 9, height = 10;
10385 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10386 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10387 if( v == VariantCapablanca || v == VariantCapaRandom ||
10388 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10390 if( v == VariantCourier ) width = 12;
10391 if( v == VariantSuper ) holdings = 8;
10392 if( v == VariantGreat ) width = 10, holdings = 8;
10393 if( v == VariantSChess ) holdings = 7;
10394 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10395 if( v == VariantChuChess) width = 10, height = 10;
10396 if( v == VariantChu ) width = 12, height = 12;
10397 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10398 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10399 holdingsSize >= 0 && holdingsSize != holdings;
10402 char variantError[MSG_SIZ];
10405 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10406 { // returns error message (recognizable by upper-case) if engine does not support the variant
10407 char *p, *variant = VariantName(v);
10408 static char b[MSG_SIZ];
10409 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10410 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10411 holdingsSize, variant); // cook up sized variant name
10412 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10413 if(StrStr(list, b) == NULL) {
10414 // specific sized variant not known, check if general sizing allowed
10415 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10416 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10417 boardWidth, boardHeight, holdingsSize, engine);
10420 /* [HGM] here we really should compare with the maximum supported board size */
10422 } else snprintf(b, MSG_SIZ,"%s", variant);
10423 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10424 p = StrStr(list, b);
10425 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10427 // occurs not at all in list, or only as sub-string
10428 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10429 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10430 int l = strlen(variantError);
10432 while(p != list && p[-1] != ',') p--;
10433 q = strchr(p, ',');
10434 if(q) *q = NULLCHAR;
10435 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10444 InitChessProgram (ChessProgramState *cps, int setup)
10445 /* setup needed to setup FRC opening position */
10447 char buf[MSG_SIZ], *b;
10448 if (appData.noChessProgram) return;
10449 hintRequested = FALSE;
10450 bookRequested = FALSE;
10452 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10453 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10454 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10455 if(cps->memSize) { /* [HGM] memory */
10456 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10457 SendToProgram(buf, cps);
10459 SendEgtPath(cps); /* [HGM] EGT */
10460 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10461 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10462 SendToProgram(buf, cps);
10465 setboardSpoiledMachineBlack = FALSE;
10466 SendToProgram(cps->initString, cps);
10467 if (gameInfo.variant != VariantNormal &&
10468 gameInfo.variant != VariantLoadable
10469 /* [HGM] also send variant if board size non-standard */
10470 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10472 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10473 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10475 DisplayFatalError(variantError, 0, 1);
10479 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10480 SendToProgram(buf, cps);
10482 currentlyInitializedVariant = gameInfo.variant;
10484 /* [HGM] send opening position in FRC to first engine */
10486 SendToProgram("force\n", cps);
10488 /* engine is now in force mode! Set flag to wake it up after first move. */
10489 setboardSpoiledMachineBlack = 1;
10492 if (cps->sendICS) {
10493 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10494 SendToProgram(buf, cps);
10496 cps->maybeThinking = FALSE;
10497 cps->offeredDraw = 0;
10498 if (!appData.icsActive) {
10499 SendTimeControl(cps, movesPerSession, timeControl,
10500 timeIncrement, appData.searchDepth,
10503 if (appData.showThinking
10504 // [HGM] thinking: four options require thinking output to be sent
10505 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10507 SendToProgram("post\n", cps);
10509 SendToProgram("hard\n", cps);
10510 if (!appData.ponderNextMove) {
10511 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10512 it without being sure what state we are in first. "hard"
10513 is not a toggle, so that one is OK.
10515 SendToProgram("easy\n", cps);
10517 if (cps->usePing) {
10518 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10519 SendToProgram(buf, cps);
10521 cps->initDone = TRUE;
10522 ClearEngineOutputPane(cps == &second);
10527 ResendOptions (ChessProgramState *cps)
10528 { // send the stored value of the options
10531 Option *opt = cps->option;
10532 for(i=0; i<cps->nrOptions; i++, opt++) {
10533 switch(opt->type) {
10537 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10540 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10543 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10549 SendToProgram(buf, cps);
10554 StartChessProgram (ChessProgramState *cps)
10559 if (appData.noChessProgram) return;
10560 cps->initDone = FALSE;
10562 if (strcmp(cps->host, "localhost") == 0) {
10563 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10564 } else if (*appData.remoteShell == NULLCHAR) {
10565 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10567 if (*appData.remoteUser == NULLCHAR) {
10568 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10571 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10572 cps->host, appData.remoteUser, cps->program);
10574 err = StartChildProcess(buf, "", &cps->pr);
10578 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10579 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10580 if(cps != &first) return;
10581 appData.noChessProgram = TRUE;
10584 // DisplayFatalError(buf, err, 1);
10585 // cps->pr = NoProc;
10586 // cps->isr = NULL;
10590 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10591 if (cps->protocolVersion > 1) {
10592 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10593 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10594 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10595 cps->comboCnt = 0; // and values of combo boxes
10597 SendToProgram(buf, cps);
10598 if(cps->reload) ResendOptions(cps);
10600 SendToProgram("xboard\n", cps);
10605 TwoMachinesEventIfReady P((void))
10607 static int curMess = 0;
10608 if (first.lastPing != first.lastPong) {
10609 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10610 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10613 if (second.lastPing != second.lastPong) {
10614 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10615 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10618 DisplayMessage("", ""); curMess = 0;
10619 TwoMachinesEvent();
10623 MakeName (char *template)
10627 static char buf[MSG_SIZ];
10631 clock = time((time_t *)NULL);
10632 tm = localtime(&clock);
10634 while(*p++ = *template++) if(p[-1] == '%') {
10635 switch(*template++) {
10636 case 0: *p = 0; return buf;
10637 case 'Y': i = tm->tm_year+1900; break;
10638 case 'y': i = tm->tm_year-100; break;
10639 case 'M': i = tm->tm_mon+1; break;
10640 case 'd': i = tm->tm_mday; break;
10641 case 'h': i = tm->tm_hour; break;
10642 case 'm': i = tm->tm_min; break;
10643 case 's': i = tm->tm_sec; break;
10646 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10652 CountPlayers (char *p)
10655 while(p = strchr(p, '\n')) p++, n++; // count participants
10660 WriteTourneyFile (char *results, FILE *f)
10661 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10662 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10663 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10664 // create a file with tournament description
10665 fprintf(f, "-participants {%s}\n", appData.participants);
10666 fprintf(f, "-seedBase %d\n", appData.seedBase);
10667 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10668 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10669 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10670 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10671 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10672 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10673 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10674 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10675 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10676 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10677 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10678 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10679 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10680 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10681 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10682 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10683 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10684 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10685 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10686 fprintf(f, "-smpCores %d\n", appData.smpCores);
10688 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10690 fprintf(f, "-mps %d\n", appData.movesPerSession);
10691 fprintf(f, "-tc %s\n", appData.timeControl);
10692 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10694 fprintf(f, "-results \"%s\"\n", results);
10699 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10702 Substitute (char *participants, int expunge)
10704 int i, changed, changes=0, nPlayers=0;
10705 char *p, *q, *r, buf[MSG_SIZ];
10706 if(participants == NULL) return;
10707 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10708 r = p = participants; q = appData.participants;
10709 while(*p && *p == *q) {
10710 if(*p == '\n') r = p+1, nPlayers++;
10713 if(*p) { // difference
10714 while(*p && *p++ != '\n');
10715 while(*q && *q++ != '\n');
10716 changed = nPlayers;
10717 changes = 1 + (strcmp(p, q) != 0);
10719 if(changes == 1) { // a single engine mnemonic was changed
10720 q = r; while(*q) nPlayers += (*q++ == '\n');
10721 p = buf; while(*r && (*p = *r++) != '\n') p++;
10723 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10724 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10725 if(mnemonic[i]) { // The substitute is valid
10727 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10728 flock(fileno(f), LOCK_EX);
10729 ParseArgsFromFile(f);
10730 fseek(f, 0, SEEK_SET);
10731 FREE(appData.participants); appData.participants = participants;
10732 if(expunge) { // erase results of replaced engine
10733 int len = strlen(appData.results), w, b, dummy;
10734 for(i=0; i<len; i++) {
10735 Pairing(i, nPlayers, &w, &b, &dummy);
10736 if((w == changed || b == changed) && appData.results[i] == '*') {
10737 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10742 for(i=0; i<len; i++) {
10743 Pairing(i, nPlayers, &w, &b, &dummy);
10744 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10747 WriteTourneyFile(appData.results, f);
10748 fclose(f); // release lock
10751 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10753 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10754 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10755 free(participants);
10760 CheckPlayers (char *participants)
10763 char buf[MSG_SIZ], *p;
10764 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10765 while(p = strchr(participants, '\n')) {
10767 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10769 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10771 DisplayError(buf, 0);
10775 participants = p + 1;
10781 CreateTourney (char *name)
10784 if(matchMode && strcmp(name, appData.tourneyFile)) {
10785 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10787 if(name[0] == NULLCHAR) {
10788 if(appData.participants[0])
10789 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10792 f = fopen(name, "r");
10793 if(f) { // file exists
10794 ASSIGN(appData.tourneyFile, name);
10795 ParseArgsFromFile(f); // parse it
10797 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10798 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10799 DisplayError(_("Not enough participants"), 0);
10802 if(CheckPlayers(appData.participants)) return 0;
10803 ASSIGN(appData.tourneyFile, name);
10804 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10805 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10808 appData.noChessProgram = FALSE;
10809 appData.clockMode = TRUE;
10815 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10817 char buf[MSG_SIZ], *p, *q;
10818 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10819 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10820 skip = !all && group[0]; // if group requested, we start in skip mode
10821 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10822 p = names; q = buf; header = 0;
10823 while(*p && *p != '\n') *q++ = *p++;
10825 if(*p == '\n') p++;
10826 if(buf[0] == '#') {
10827 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10828 depth++; // we must be entering a new group
10829 if(all) continue; // suppress printing group headers when complete list requested
10831 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10833 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10834 if(engineList[i]) free(engineList[i]);
10835 engineList[i] = strdup(buf);
10836 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10837 if(engineMnemonic[i]) free(engineMnemonic[i]);
10838 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10840 sscanf(q + 8, "%s", buf + strlen(buf));
10843 engineMnemonic[i] = strdup(buf);
10846 engineList[i] = engineMnemonic[i] = NULL;
10850 // following implemented as macro to avoid type limitations
10851 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10854 SwapEngines (int n)
10855 { // swap settings for first engine and other engine (so far only some selected options)
10860 SWAP(chessProgram, p)
10862 SWAP(hasOwnBookUCI, h)
10863 SWAP(protocolVersion, h)
10865 SWAP(scoreIsAbsolute, h)
10870 SWAP(engOptions, p)
10871 SWAP(engInitString, p)
10872 SWAP(computerString, p)
10874 SWAP(fenOverride, p)
10876 SWAP(accumulateTC, h)
10883 GetEngineLine (char *s, int n)
10887 extern char *icsNames;
10888 if(!s || !*s) return 0;
10889 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10890 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10891 if(!mnemonic[i]) return 0;
10892 if(n == 11) return 1; // just testing if there was a match
10893 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10894 if(n == 1) SwapEngines(n);
10895 ParseArgsFromString(buf);
10896 if(n == 1) SwapEngines(n);
10897 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10898 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10899 ParseArgsFromString(buf);
10905 SetPlayer (int player, char *p)
10906 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10908 char buf[MSG_SIZ], *engineName;
10909 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10910 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10911 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10913 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10914 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10915 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10916 ParseArgsFromString(buf);
10917 } else { // no engine with this nickname is installed!
10918 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10919 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10920 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10922 DisplayError(buf, 0);
10929 char *recentEngines;
10932 RecentEngineEvent (int nr)
10935 // SwapEngines(1); // bump first to second
10936 // ReplaceEngine(&second, 1); // and load it there
10937 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10938 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10939 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10940 ReplaceEngine(&first, 0);
10941 FloatToFront(&appData.recentEngineList, command[n]);
10946 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10947 { // determine players from game number
10948 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10950 if(appData.tourneyType == 0) {
10951 roundsPerCycle = (nPlayers - 1) | 1;
10952 pairingsPerRound = nPlayers / 2;
10953 } else if(appData.tourneyType > 0) {
10954 roundsPerCycle = nPlayers - appData.tourneyType;
10955 pairingsPerRound = appData.tourneyType;
10957 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10958 gamesPerCycle = gamesPerRound * roundsPerCycle;
10959 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10960 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10961 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10962 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10963 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10964 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10966 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10967 if(appData.roundSync) *syncInterval = gamesPerRound;
10969 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10971 if(appData.tourneyType == 0) {
10972 if(curPairing == (nPlayers-1)/2 ) {
10973 *whitePlayer = curRound;
10974 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10976 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10977 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10978 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10979 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10981 } else if(appData.tourneyType > 1) {
10982 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10983 *whitePlayer = curRound + appData.tourneyType;
10984 } else if(appData.tourneyType > 0) {
10985 *whitePlayer = curPairing;
10986 *blackPlayer = curRound + appData.tourneyType;
10989 // take care of white/black alternation per round.
10990 // For cycles and games this is already taken care of by default, derived from matchGame!
10991 return curRound & 1;
10995 NextTourneyGame (int nr, int *swapColors)
10996 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10998 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11000 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11001 tf = fopen(appData.tourneyFile, "r");
11002 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11003 ParseArgsFromFile(tf); fclose(tf);
11004 InitTimeControls(); // TC might be altered from tourney file
11006 nPlayers = CountPlayers(appData.participants); // count participants
11007 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11008 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11011 p = q = appData.results;
11012 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11013 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11014 DisplayMessage(_("Waiting for other game(s)"),"");
11015 waitingForGame = TRUE;
11016 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11019 waitingForGame = FALSE;
11022 if(appData.tourneyType < 0) {
11023 if(nr>=0 && !pairingReceived) {
11025 if(pairing.pr == NoProc) {
11026 if(!appData.pairingEngine[0]) {
11027 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11030 StartChessProgram(&pairing); // starts the pairing engine
11032 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11033 SendToProgram(buf, &pairing);
11034 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11035 SendToProgram(buf, &pairing);
11036 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11038 pairingReceived = 0; // ... so we continue here
11040 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11041 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11042 matchGame = 1; roundNr = nr / syncInterval + 1;
11045 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11047 // redefine engines, engine dir, etc.
11048 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11049 if(first.pr == NoProc) {
11050 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11051 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11053 if(second.pr == NoProc) {
11055 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11056 SwapEngines(1); // and make that valid for second engine by swapping
11057 InitEngine(&second, 1);
11059 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11060 UpdateLogos(FALSE); // leave display to ModeHiglight()
11066 { // performs game initialization that does not invoke engines, and then tries to start the game
11067 int res, firstWhite, swapColors = 0;
11068 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11069 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
11071 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11072 if(strcmp(buf, currentDebugFile)) { // name has changed
11073 FILE *f = fopen(buf, "w");
11074 if(f) { // if opening the new file failed, just keep using the old one
11075 ASSIGN(currentDebugFile, buf);
11079 if(appData.serverFileName) {
11080 if(serverFP) fclose(serverFP);
11081 serverFP = fopen(appData.serverFileName, "w");
11082 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11083 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11087 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11088 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11089 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11090 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11091 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11092 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11093 Reset(FALSE, first.pr != NoProc);
11094 res = LoadGameOrPosition(matchGame); // setup game
11095 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11096 if(!res) return; // abort when bad game/pos file
11097 TwoMachinesEvent();
11101 UserAdjudicationEvent (int result)
11103 ChessMove gameResult = GameIsDrawn;
11106 gameResult = WhiteWins;
11108 else if( result < 0 ) {
11109 gameResult = BlackWins;
11112 if( gameMode == TwoMachinesPlay ) {
11113 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11118 // [HGM] save: calculate checksum of game to make games easily identifiable
11120 StringCheckSum (char *s)
11123 if(s==NULL) return 0;
11124 while(*s) i = i*259 + *s++;
11132 for(i=backwardMostMove; i<forwardMostMove; i++) {
11133 sum += pvInfoList[i].depth;
11134 sum += StringCheckSum(parseList[i]);
11135 sum += StringCheckSum(commentList[i]);
11138 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11139 return sum + StringCheckSum(commentList[i]);
11140 } // end of save patch
11143 GameEnds (ChessMove result, char *resultDetails, int whosays)
11145 GameMode nextGameMode;
11147 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11149 if(endingGame) return; /* [HGM] crash: forbid recursion */
11151 if(twoBoards) { // [HGM] dual: switch back to one board
11152 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11153 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11155 if (appData.debugMode) {
11156 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11157 result, resultDetails ? resultDetails : "(null)", whosays);
11160 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11162 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11164 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11165 /* If we are playing on ICS, the server decides when the
11166 game is over, but the engine can offer to draw, claim
11170 if (appData.zippyPlay && first.initDone) {
11171 if (result == GameIsDrawn) {
11172 /* In case draw still needs to be claimed */
11173 SendToICS(ics_prefix);
11174 SendToICS("draw\n");
11175 } else if (StrCaseStr(resultDetails, "resign")) {
11176 SendToICS(ics_prefix);
11177 SendToICS("resign\n");
11181 endingGame = 0; /* [HGM] crash */
11185 /* If we're loading the game from a file, stop */
11186 if (whosays == GE_FILE) {
11187 (void) StopLoadGameTimer();
11191 /* Cancel draw offers */
11192 first.offeredDraw = second.offeredDraw = 0;
11194 /* If this is an ICS game, only ICS can really say it's done;
11195 if not, anyone can. */
11196 isIcsGame = (gameMode == IcsPlayingWhite ||
11197 gameMode == IcsPlayingBlack ||
11198 gameMode == IcsObserving ||
11199 gameMode == IcsExamining);
11201 if (!isIcsGame || whosays == GE_ICS) {
11202 /* OK -- not an ICS game, or ICS said it was done */
11204 if (!isIcsGame && !appData.noChessProgram)
11205 SetUserThinkingEnables();
11207 /* [HGM] if a machine claims the game end we verify this claim */
11208 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11209 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11211 ChessMove trueResult = (ChessMove) -1;
11213 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11214 first.twoMachinesColor[0] :
11215 second.twoMachinesColor[0] ;
11217 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11218 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11219 /* [HGM] verify: engine mate claims accepted if they were flagged */
11220 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11222 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11223 /* [HGM] verify: engine mate claims accepted if they were flagged */
11224 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11226 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11227 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11230 // now verify win claims, but not in drop games, as we don't understand those yet
11231 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11232 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11233 (result == WhiteWins && claimer == 'w' ||
11234 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11235 if (appData.debugMode) {
11236 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11237 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11239 if(result != trueResult) {
11240 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11241 result = claimer == 'w' ? BlackWins : WhiteWins;
11242 resultDetails = buf;
11245 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11246 && (forwardMostMove <= backwardMostMove ||
11247 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11248 (claimer=='b')==(forwardMostMove&1))
11250 /* [HGM] verify: draws that were not flagged are false claims */
11251 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11252 result = claimer == 'w' ? BlackWins : WhiteWins;
11253 resultDetails = buf;
11255 /* (Claiming a loss is accepted no questions asked!) */
11256 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11257 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11258 result = GameUnfinished;
11259 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11261 /* [HGM] bare: don't allow bare King to win */
11262 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11263 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11264 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11265 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11266 && result != GameIsDrawn)
11267 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11268 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11269 int p = (signed char)boards[forwardMostMove][i][j] - color;
11270 if(p >= 0 && p <= (int)WhiteKing) k++;
11272 if (appData.debugMode) {
11273 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11274 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11277 result = GameIsDrawn;
11278 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11279 resultDetails = buf;
11285 if(serverMoves != NULL && !loadFlag) { char c = '=';
11286 if(result==WhiteWins) c = '+';
11287 if(result==BlackWins) c = '-';
11288 if(resultDetails != NULL)
11289 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11291 if (resultDetails != NULL) {
11292 gameInfo.result = result;
11293 gameInfo.resultDetails = StrSave(resultDetails);
11295 /* display last move only if game was not loaded from file */
11296 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11297 DisplayMove(currentMove - 1);
11299 if (forwardMostMove != 0) {
11300 if (gameMode != PlayFromGameFile && gameMode != EditGame
11301 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11303 if (*appData.saveGameFile != NULLCHAR) {
11304 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11305 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11307 SaveGameToFile(appData.saveGameFile, TRUE);
11308 } else if (appData.autoSaveGames) {
11309 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11311 if (*appData.savePositionFile != NULLCHAR) {
11312 SavePositionToFile(appData.savePositionFile);
11314 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11318 /* Tell program how game ended in case it is learning */
11319 /* [HGM] Moved this to after saving the PGN, just in case */
11320 /* engine died and we got here through time loss. In that */
11321 /* case we will get a fatal error writing the pipe, which */
11322 /* would otherwise lose us the PGN. */
11323 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11324 /* output during GameEnds should never be fatal anymore */
11325 if (gameMode == MachinePlaysWhite ||
11326 gameMode == MachinePlaysBlack ||
11327 gameMode == TwoMachinesPlay ||
11328 gameMode == IcsPlayingWhite ||
11329 gameMode == IcsPlayingBlack ||
11330 gameMode == BeginningOfGame) {
11332 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11334 if (first.pr != NoProc) {
11335 SendToProgram(buf, &first);
11337 if (second.pr != NoProc &&
11338 gameMode == TwoMachinesPlay) {
11339 SendToProgram(buf, &second);
11344 if (appData.icsActive) {
11345 if (appData.quietPlay &&
11346 (gameMode == IcsPlayingWhite ||
11347 gameMode == IcsPlayingBlack)) {
11348 SendToICS(ics_prefix);
11349 SendToICS("set shout 1\n");
11351 nextGameMode = IcsIdle;
11352 ics_user_moved = FALSE;
11353 /* clean up premove. It's ugly when the game has ended and the
11354 * premove highlights are still on the board.
11357 gotPremove = FALSE;
11358 ClearPremoveHighlights();
11359 DrawPosition(FALSE, boards[currentMove]);
11361 if (whosays == GE_ICS) {
11364 if (gameMode == IcsPlayingWhite)
11366 else if(gameMode == IcsPlayingBlack)
11367 PlayIcsLossSound();
11370 if (gameMode == IcsPlayingBlack)
11372 else if(gameMode == IcsPlayingWhite)
11373 PlayIcsLossSound();
11376 PlayIcsDrawSound();
11379 PlayIcsUnfinishedSound();
11382 if(appData.quitNext) { ExitEvent(0); return; }
11383 } else if (gameMode == EditGame ||
11384 gameMode == PlayFromGameFile ||
11385 gameMode == AnalyzeMode ||
11386 gameMode == AnalyzeFile) {
11387 nextGameMode = gameMode;
11389 nextGameMode = EndOfGame;
11394 nextGameMode = gameMode;
11397 if (appData.noChessProgram) {
11398 gameMode = nextGameMode;
11400 endingGame = 0; /* [HGM] crash */
11405 /* Put first chess program into idle state */
11406 if (first.pr != NoProc &&
11407 (gameMode == MachinePlaysWhite ||
11408 gameMode == MachinePlaysBlack ||
11409 gameMode == TwoMachinesPlay ||
11410 gameMode == IcsPlayingWhite ||
11411 gameMode == IcsPlayingBlack ||
11412 gameMode == BeginningOfGame)) {
11413 SendToProgram("force\n", &first);
11414 if (first.usePing) {
11416 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11417 SendToProgram(buf, &first);
11420 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11421 /* Kill off first chess program */
11422 if (first.isr != NULL)
11423 RemoveInputSource(first.isr);
11426 if (first.pr != NoProc) {
11428 DoSleep( appData.delayBeforeQuit );
11429 SendToProgram("quit\n", &first);
11430 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11431 first.reload = TRUE;
11435 if (second.reuse) {
11436 /* Put second chess program into idle state */
11437 if (second.pr != NoProc &&
11438 gameMode == TwoMachinesPlay) {
11439 SendToProgram("force\n", &second);
11440 if (second.usePing) {
11442 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11443 SendToProgram(buf, &second);
11446 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11447 /* Kill off second chess program */
11448 if (second.isr != NULL)
11449 RemoveInputSource(second.isr);
11452 if (second.pr != NoProc) {
11453 DoSleep( appData.delayBeforeQuit );
11454 SendToProgram("quit\n", &second);
11455 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11456 second.reload = TRUE;
11458 second.pr = NoProc;
11461 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11462 char resChar = '=';
11466 if (first.twoMachinesColor[0] == 'w') {
11469 second.matchWins++;
11474 if (first.twoMachinesColor[0] == 'b') {
11477 second.matchWins++;
11480 case GameUnfinished:
11486 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11487 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11488 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11489 ReserveGame(nextGame, resChar); // sets nextGame
11490 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11491 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11492 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11494 if (nextGame <= appData.matchGames && !abortMatch) {
11495 gameMode = nextGameMode;
11496 matchGame = nextGame; // this will be overruled in tourney mode!
11497 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11498 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11499 endingGame = 0; /* [HGM] crash */
11502 gameMode = nextGameMode;
11503 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11504 first.tidy, second.tidy,
11505 first.matchWins, second.matchWins,
11506 appData.matchGames - (first.matchWins + second.matchWins));
11507 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11508 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11509 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11510 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11511 first.twoMachinesColor = "black\n";
11512 second.twoMachinesColor = "white\n";
11514 first.twoMachinesColor = "white\n";
11515 second.twoMachinesColor = "black\n";
11519 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11520 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11522 gameMode = nextGameMode;
11524 endingGame = 0; /* [HGM] crash */
11525 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11526 if(matchMode == TRUE) { // match through command line: exit with or without popup
11528 ToNrEvent(forwardMostMove);
11529 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11531 } else DisplayFatalError(buf, 0, 0);
11532 } else { // match through menu; just stop, with or without popup
11533 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11536 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11537 } else DisplayNote(buf);
11539 if(ranking) free(ranking);
11543 /* Assumes program was just initialized (initString sent).
11544 Leaves program in force mode. */
11546 FeedMovesToProgram (ChessProgramState *cps, int upto)
11550 if (appData.debugMode)
11551 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11552 startedFromSetupPosition ? "position and " : "",
11553 backwardMostMove, upto, cps->which);
11554 if(currentlyInitializedVariant != gameInfo.variant) {
11556 // [HGM] variantswitch: make engine aware of new variant
11557 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11558 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11559 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11560 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11561 SendToProgram(buf, cps);
11562 currentlyInitializedVariant = gameInfo.variant;
11564 SendToProgram("force\n", cps);
11565 if (startedFromSetupPosition) {
11566 SendBoard(cps, backwardMostMove);
11567 if (appData.debugMode) {
11568 fprintf(debugFP, "feedMoves\n");
11571 for (i = backwardMostMove; i < upto; i++) {
11572 SendMoveToProgram(i, cps);
11578 ResurrectChessProgram ()
11580 /* The chess program may have exited.
11581 If so, restart it and feed it all the moves made so far. */
11582 static int doInit = 0;
11584 if (appData.noChessProgram) return 1;
11586 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11587 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11588 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11589 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11591 if (first.pr != NoProc) return 1;
11592 StartChessProgram(&first);
11594 InitChessProgram(&first, FALSE);
11595 FeedMovesToProgram(&first, currentMove);
11597 if (!first.sendTime) {
11598 /* can't tell gnuchess what its clock should read,
11599 so we bow to its notion. */
11601 timeRemaining[0][currentMove] = whiteTimeRemaining;
11602 timeRemaining[1][currentMove] = blackTimeRemaining;
11605 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11606 appData.icsEngineAnalyze) && first.analysisSupport) {
11607 SendToProgram("analyze\n", &first);
11608 first.analyzing = TRUE;
11614 * Button procedures
11617 Reset (int redraw, int init)
11621 if (appData.debugMode) {
11622 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11623 redraw, init, gameMode);
11625 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11626 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11627 CleanupTail(); // [HGM] vari: delete any stored variations
11628 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11629 pausing = pauseExamInvalid = FALSE;
11630 startedFromSetupPosition = blackPlaysFirst = FALSE;
11632 whiteFlag = blackFlag = FALSE;
11633 userOfferedDraw = FALSE;
11634 hintRequested = bookRequested = FALSE;
11635 first.maybeThinking = FALSE;
11636 second.maybeThinking = FALSE;
11637 first.bookSuspend = FALSE; // [HGM] book
11638 second.bookSuspend = FALSE;
11639 thinkOutput[0] = NULLCHAR;
11640 lastHint[0] = NULLCHAR;
11641 ClearGameInfo(&gameInfo);
11642 gameInfo.variant = StringToVariant(appData.variant);
11643 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11644 ics_user_moved = ics_clock_paused = FALSE;
11645 ics_getting_history = H_FALSE;
11647 white_holding[0] = black_holding[0] = NULLCHAR;
11648 ClearProgramStats();
11649 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11653 flipView = appData.flipView;
11654 ClearPremoveHighlights();
11655 gotPremove = FALSE;
11656 alarmSounded = FALSE;
11657 killX = killY = -1; // [HGM] lion
11659 GameEnds(EndOfFile, NULL, GE_PLAYER);
11660 if(appData.serverMovesName != NULL) {
11661 /* [HGM] prepare to make moves file for broadcasting */
11662 clock_t t = clock();
11663 if(serverMoves != NULL) fclose(serverMoves);
11664 serverMoves = fopen(appData.serverMovesName, "r");
11665 if(serverMoves != NULL) {
11666 fclose(serverMoves);
11667 /* delay 15 sec before overwriting, so all clients can see end */
11668 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11670 serverMoves = fopen(appData.serverMovesName, "w");
11674 gameMode = BeginningOfGame;
11676 if(appData.icsActive) gameInfo.variant = VariantNormal;
11677 currentMove = forwardMostMove = backwardMostMove = 0;
11678 MarkTargetSquares(1);
11679 InitPosition(redraw);
11680 for (i = 0; i < MAX_MOVES; i++) {
11681 if (commentList[i] != NULL) {
11682 free(commentList[i]);
11683 commentList[i] = NULL;
11687 timeRemaining[0][0] = whiteTimeRemaining;
11688 timeRemaining[1][0] = blackTimeRemaining;
11690 if (first.pr == NoProc) {
11691 StartChessProgram(&first);
11694 InitChessProgram(&first, startedFromSetupPosition);
11697 DisplayMessage("", "");
11698 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11699 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11700 ClearMap(); // [HGM] exclude: invalidate map
11704 AutoPlayGameLoop ()
11707 if (!AutoPlayOneMove())
11709 if (matchMode || appData.timeDelay == 0)
11711 if (appData.timeDelay < 0)
11713 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11721 ReloadGame(1); // next game
11727 int fromX, fromY, toX, toY;
11729 if (appData.debugMode) {
11730 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11733 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11736 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11737 pvInfoList[currentMove].depth = programStats.depth;
11738 pvInfoList[currentMove].score = programStats.score;
11739 pvInfoList[currentMove].time = 0;
11740 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11741 else { // append analysis of final position as comment
11743 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11744 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11746 programStats.depth = 0;
11749 if (currentMove >= forwardMostMove) {
11750 if(gameMode == AnalyzeFile) {
11751 if(appData.loadGameIndex == -1) {
11752 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11753 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11755 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11758 // gameMode = EndOfGame;
11759 // ModeHighlight();
11761 /* [AS] Clear current move marker at the end of a game */
11762 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11767 toX = moveList[currentMove][2] - AAA;
11768 toY = moveList[currentMove][3] - ONE;
11770 if (moveList[currentMove][1] == '@') {
11771 if (appData.highlightLastMove) {
11772 SetHighlights(-1, -1, toX, toY);
11775 int viaX = moveList[currentMove][5] - AAA;
11776 int viaY = moveList[currentMove][6] - ONE;
11777 fromX = moveList[currentMove][0] - AAA;
11778 fromY = moveList[currentMove][1] - ONE;
11780 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11782 if(moveList[currentMove][4] == ';') { // multi-leg
11783 ChessSquare piece = boards[currentMove][viaY][viaX];
11784 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11785 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11786 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11787 boards[currentMove][viaY][viaX] = piece;
11789 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11791 if (appData.highlightLastMove) {
11792 SetHighlights(fromX, fromY, toX, toY);
11795 DisplayMove(currentMove);
11796 SendMoveToProgram(currentMove++, &first);
11797 DisplayBothClocks();
11798 DrawPosition(FALSE, boards[currentMove]);
11799 // [HGM] PV info: always display, routine tests if empty
11800 DisplayComment(currentMove - 1, commentList[currentMove]);
11806 LoadGameOneMove (ChessMove readAhead)
11808 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11809 char promoChar = NULLCHAR;
11810 ChessMove moveType;
11811 char move[MSG_SIZ];
11814 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11815 gameMode != AnalyzeMode && gameMode != Training) {
11820 yyboardindex = forwardMostMove;
11821 if (readAhead != EndOfFile) {
11822 moveType = readAhead;
11824 if (gameFileFP == NULL)
11826 moveType = (ChessMove) Myylex();
11830 switch (moveType) {
11832 if (appData.debugMode)
11833 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11836 /* append the comment but don't display it */
11837 AppendComment(currentMove, p, FALSE);
11840 case WhiteCapturesEnPassant:
11841 case BlackCapturesEnPassant:
11842 case WhitePromotion:
11843 case BlackPromotion:
11844 case WhiteNonPromotion:
11845 case BlackNonPromotion:
11848 case WhiteKingSideCastle:
11849 case WhiteQueenSideCastle:
11850 case BlackKingSideCastle:
11851 case BlackQueenSideCastle:
11852 case WhiteKingSideCastleWild:
11853 case WhiteQueenSideCastleWild:
11854 case BlackKingSideCastleWild:
11855 case BlackQueenSideCastleWild:
11857 case WhiteHSideCastleFR:
11858 case WhiteASideCastleFR:
11859 case BlackHSideCastleFR:
11860 case BlackASideCastleFR:
11862 if (appData.debugMode)
11863 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11864 fromX = currentMoveString[0] - AAA;
11865 fromY = currentMoveString[1] - ONE;
11866 toX = currentMoveString[2] - AAA;
11867 toY = currentMoveString[3] - ONE;
11868 promoChar = currentMoveString[4];
11869 if(promoChar == ';') promoChar = NULLCHAR;
11874 if (appData.debugMode)
11875 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11876 fromX = moveType == WhiteDrop ?
11877 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11878 (int) CharToPiece(ToLower(currentMoveString[0]));
11880 toX = currentMoveString[2] - AAA;
11881 toY = currentMoveString[3] - ONE;
11887 case GameUnfinished:
11888 if (appData.debugMode)
11889 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11890 p = strchr(yy_text, '{');
11891 if (p == NULL) p = strchr(yy_text, '(');
11894 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11896 q = strchr(p, *p == '{' ? '}' : ')');
11897 if (q != NULL) *q = NULLCHAR;
11900 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11901 GameEnds(moveType, p, GE_FILE);
11903 if (cmailMsgLoaded) {
11905 flipView = WhiteOnMove(currentMove);
11906 if (moveType == GameUnfinished) flipView = !flipView;
11907 if (appData.debugMode)
11908 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11913 if (appData.debugMode)
11914 fprintf(debugFP, "Parser hit end of file\n");
11915 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11921 if (WhiteOnMove(currentMove)) {
11922 GameEnds(BlackWins, "Black mates", GE_FILE);
11924 GameEnds(WhiteWins, "White mates", GE_FILE);
11928 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11934 case MoveNumberOne:
11935 if (lastLoadGameStart == GNUChessGame) {
11936 /* GNUChessGames have numbers, but they aren't move numbers */
11937 if (appData.debugMode)
11938 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11939 yy_text, (int) moveType);
11940 return LoadGameOneMove(EndOfFile); /* tail recursion */
11942 /* else fall thru */
11947 /* Reached start of next game in file */
11948 if (appData.debugMode)
11949 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11950 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11956 if (WhiteOnMove(currentMove)) {
11957 GameEnds(BlackWins, "Black mates", GE_FILE);
11959 GameEnds(WhiteWins, "White mates", GE_FILE);
11963 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11969 case PositionDiagram: /* should not happen; ignore */
11970 case ElapsedTime: /* ignore */
11971 case NAG: /* ignore */
11972 if (appData.debugMode)
11973 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11974 yy_text, (int) moveType);
11975 return LoadGameOneMove(EndOfFile); /* tail recursion */
11978 if (appData.testLegality) {
11979 if (appData.debugMode)
11980 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11981 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11982 (forwardMostMove / 2) + 1,
11983 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11984 DisplayError(move, 0);
11987 if (appData.debugMode)
11988 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11989 yy_text, currentMoveString);
11990 fromX = currentMoveString[0] - AAA;
11991 fromY = currentMoveString[1] - ONE;
11992 toX = currentMoveString[2] - AAA;
11993 toY = currentMoveString[3] - ONE;
11994 promoChar = currentMoveString[4];
11998 case AmbiguousMove:
11999 if (appData.debugMode)
12000 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12001 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12002 (forwardMostMove / 2) + 1,
12003 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12004 DisplayError(move, 0);
12009 case ImpossibleMove:
12010 if (appData.debugMode)
12011 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12012 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12013 (forwardMostMove / 2) + 1,
12014 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12015 DisplayError(move, 0);
12021 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12022 DrawPosition(FALSE, boards[currentMove]);
12023 DisplayBothClocks();
12024 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12025 DisplayComment(currentMove - 1, commentList[currentMove]);
12027 (void) StopLoadGameTimer();
12029 cmailOldMove = forwardMostMove;
12032 /* currentMoveString is set as a side-effect of yylex */
12034 thinkOutput[0] = NULLCHAR;
12035 MakeMove(fromX, fromY, toX, toY, promoChar);
12036 killX = killY = -1; // [HGM] lion: used up
12037 currentMove = forwardMostMove;
12042 /* Load the nth game from the given file */
12044 LoadGameFromFile (char *filename, int n, char *title, int useList)
12049 if (strcmp(filename, "-") == 0) {
12053 f = fopen(filename, "rb");
12055 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12056 DisplayError(buf, errno);
12060 if (fseek(f, 0, 0) == -1) {
12061 /* f is not seekable; probably a pipe */
12064 if (useList && n == 0) {
12065 int error = GameListBuild(f);
12067 DisplayError(_("Cannot build game list"), error);
12068 } else if (!ListEmpty(&gameList) &&
12069 ((ListGame *) gameList.tailPred)->number > 1) {
12070 GameListPopUp(f, title);
12077 return LoadGame(f, n, title, FALSE);
12082 MakeRegisteredMove ()
12084 int fromX, fromY, toX, toY;
12086 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12087 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12090 if (appData.debugMode)
12091 fprintf(debugFP, "Restoring %s for game %d\n",
12092 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12094 thinkOutput[0] = NULLCHAR;
12095 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12096 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12097 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12098 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12099 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12100 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12101 MakeMove(fromX, fromY, toX, toY, promoChar);
12102 ShowMove(fromX, fromY, toX, toY);
12104 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12111 if (WhiteOnMove(currentMove)) {
12112 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12114 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12119 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12126 if (WhiteOnMove(currentMove)) {
12127 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12129 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12134 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12145 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12147 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12151 if (gameNumber > nCmailGames) {
12152 DisplayError(_("No more games in this message"), 0);
12155 if (f == lastLoadGameFP) {
12156 int offset = gameNumber - lastLoadGameNumber;
12158 cmailMsg[0] = NULLCHAR;
12159 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12160 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12161 nCmailMovesRegistered--;
12163 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12164 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12165 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12168 if (! RegisterMove()) return FALSE;
12172 retVal = LoadGame(f, gameNumber, title, useList);
12174 /* Make move registered during previous look at this game, if any */
12175 MakeRegisteredMove();
12177 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12178 commentList[currentMove]
12179 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12180 DisplayComment(currentMove - 1, commentList[currentMove]);
12186 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12188 ReloadGame (int offset)
12190 int gameNumber = lastLoadGameNumber + offset;
12191 if (lastLoadGameFP == NULL) {
12192 DisplayError(_("No game has been loaded yet"), 0);
12195 if (gameNumber <= 0) {
12196 DisplayError(_("Can't back up any further"), 0);
12199 if (cmailMsgLoaded) {
12200 return CmailLoadGame(lastLoadGameFP, gameNumber,
12201 lastLoadGameTitle, lastLoadGameUseList);
12203 return LoadGame(lastLoadGameFP, gameNumber,
12204 lastLoadGameTitle, lastLoadGameUseList);
12208 int keys[EmptySquare+1];
12211 PositionMatches (Board b1, Board b2)
12214 switch(appData.searchMode) {
12215 case 1: return CompareWithRights(b1, b2);
12217 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12218 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12222 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12223 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12224 sum += keys[b1[r][f]] - keys[b2[r][f]];
12228 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12229 sum += keys[b1[r][f]] - keys[b2[r][f]];
12241 int pieceList[256], quickBoard[256];
12242 ChessSquare pieceType[256] = { EmptySquare };
12243 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12244 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12245 int soughtTotal, turn;
12246 Boolean epOK, flipSearch;
12249 unsigned char piece, to;
12252 #define DSIZE (250000)
12254 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12255 Move *moveDatabase = initialSpace;
12256 unsigned int movePtr, dataSize = DSIZE;
12259 MakePieceList (Board board, int *counts)
12261 int r, f, n=Q_PROMO, total=0;
12262 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12263 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12264 int sq = f + (r<<4);
12265 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12266 quickBoard[sq] = ++n;
12268 pieceType[n] = board[r][f];
12269 counts[board[r][f]]++;
12270 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12271 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12275 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12280 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12282 int sq = fromX + (fromY<<4);
12283 int piece = quickBoard[sq], rook;
12284 quickBoard[sq] = 0;
12285 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12286 if(piece == pieceList[1] && fromY == toY) {
12287 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12288 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12289 moveDatabase[movePtr++].piece = Q_WCASTL;
12290 quickBoard[sq] = piece;
12291 piece = quickBoard[from]; quickBoard[from] = 0;
12292 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12293 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12294 quickBoard[sq] = 0; // remove Rook
12295 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12296 moveDatabase[movePtr++].piece = Q_WCASTL;
12297 quickBoard[sq] = pieceList[1]; // put King
12299 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12302 if(piece == pieceList[2] && fromY == toY) {
12303 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12304 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12305 moveDatabase[movePtr++].piece = Q_BCASTL;
12306 quickBoard[sq] = piece;
12307 piece = quickBoard[from]; quickBoard[from] = 0;
12308 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12309 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12310 quickBoard[sq] = 0; // remove Rook
12311 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12312 moveDatabase[movePtr++].piece = Q_BCASTL;
12313 quickBoard[sq] = pieceList[2]; // put King
12315 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12318 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12319 quickBoard[(fromY<<4)+toX] = 0;
12320 moveDatabase[movePtr].piece = Q_EP;
12321 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12322 moveDatabase[movePtr].to = sq;
12324 if(promoPiece != pieceType[piece]) {
12325 moveDatabase[movePtr++].piece = Q_PROMO;
12326 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12328 moveDatabase[movePtr].piece = piece;
12329 quickBoard[sq] = piece;
12334 PackGame (Board board)
12336 Move *newSpace = NULL;
12337 moveDatabase[movePtr].piece = 0; // terminate previous game
12338 if(movePtr > dataSize) {
12339 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12340 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12341 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12344 Move *p = moveDatabase, *q = newSpace;
12345 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12346 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12347 moveDatabase = newSpace;
12348 } else { // calloc failed, we must be out of memory. Too bad...
12349 dataSize = 0; // prevent calloc events for all subsequent games
12350 return 0; // and signal this one isn't cached
12354 MakePieceList(board, counts);
12359 QuickCompare (Board board, int *minCounts, int *maxCounts)
12360 { // compare according to search mode
12362 switch(appData.searchMode)
12364 case 1: // exact position match
12365 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12366 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12367 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12370 case 2: // can have extra material on empty squares
12371 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12372 if(board[r][f] == EmptySquare) continue;
12373 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12376 case 3: // material with exact Pawn structure
12377 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12378 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12379 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12380 } // fall through to material comparison
12381 case 4: // exact material
12382 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12384 case 6: // material range with given imbalance
12385 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12386 // fall through to range comparison
12387 case 5: // material range
12388 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12394 QuickScan (Board board, Move *move)
12395 { // reconstruct game,and compare all positions in it
12396 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12398 int piece = move->piece;
12399 int to = move->to, from = pieceList[piece];
12400 if(found < 0) { // if already found just scan to game end for final piece count
12401 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12402 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12403 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12404 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12406 static int lastCounts[EmptySquare+1];
12408 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12409 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12410 } else stretch = 0;
12411 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12412 if(found >= 0 && !appData.minPieces) return found;
12414 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12415 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12416 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12417 piece = (++move)->piece;
12418 from = pieceList[piece];
12419 counts[pieceType[piece]]--;
12420 pieceType[piece] = (ChessSquare) move->to;
12421 counts[move->to]++;
12422 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12423 counts[pieceType[quickBoard[to]]]--;
12424 quickBoard[to] = 0; total--;
12427 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12428 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12429 from = pieceList[piece]; // so this must be King
12430 quickBoard[from] = 0;
12431 pieceList[piece] = to;
12432 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12433 quickBoard[from] = 0; // rook
12434 quickBoard[to] = piece;
12435 to = move->to; piece = move->piece;
12439 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12440 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12441 quickBoard[from] = 0;
12443 quickBoard[to] = piece;
12444 pieceList[piece] = to;
12454 flipSearch = FALSE;
12455 CopyBoard(soughtBoard, boards[currentMove]);
12456 soughtTotal = MakePieceList(soughtBoard, maxSought);
12457 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12458 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12459 CopyBoard(reverseBoard, boards[currentMove]);
12460 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12461 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12462 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12463 reverseBoard[r][f] = piece;
12465 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12466 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12467 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12468 || (boards[currentMove][CASTLING][2] == NoRights ||
12469 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12470 && (boards[currentMove][CASTLING][5] == NoRights ||
12471 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12474 CopyBoard(flipBoard, soughtBoard);
12475 CopyBoard(rotateBoard, reverseBoard);
12476 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12477 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12478 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12481 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12482 if(appData.searchMode >= 5) {
12483 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12484 MakePieceList(soughtBoard, minSought);
12485 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12487 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12488 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12491 GameInfo dummyInfo;
12492 static int creatingBook;
12495 GameContainsPosition (FILE *f, ListGame *lg)
12497 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12498 int fromX, fromY, toX, toY;
12500 static int initDone=FALSE;
12502 // weed out games based on numerical tag comparison
12503 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12504 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12505 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12506 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12508 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12511 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12512 else CopyBoard(boards[scratch], initialPosition); // default start position
12515 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12516 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12519 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12520 fseek(f, lg->offset, 0);
12523 yyboardindex = scratch;
12524 quickFlag = plyNr+1;
12529 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12535 if(plyNr) return -1; // after we have seen moves, this is for new game
12538 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12539 case ImpossibleMove:
12540 case WhiteWins: // game ends here with these four
12543 case GameUnfinished:
12547 if(appData.testLegality) return -1;
12548 case WhiteCapturesEnPassant:
12549 case BlackCapturesEnPassant:
12550 case WhitePromotion:
12551 case BlackPromotion:
12552 case WhiteNonPromotion:
12553 case BlackNonPromotion:
12556 case WhiteKingSideCastle:
12557 case WhiteQueenSideCastle:
12558 case BlackKingSideCastle:
12559 case BlackQueenSideCastle:
12560 case WhiteKingSideCastleWild:
12561 case WhiteQueenSideCastleWild:
12562 case BlackKingSideCastleWild:
12563 case BlackQueenSideCastleWild:
12564 case WhiteHSideCastleFR:
12565 case WhiteASideCastleFR:
12566 case BlackHSideCastleFR:
12567 case BlackASideCastleFR:
12568 fromX = currentMoveString[0] - AAA;
12569 fromY = currentMoveString[1] - ONE;
12570 toX = currentMoveString[2] - AAA;
12571 toY = currentMoveString[3] - ONE;
12572 promoChar = currentMoveString[4];
12576 fromX = next == WhiteDrop ?
12577 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12578 (int) CharToPiece(ToLower(currentMoveString[0]));
12580 toX = currentMoveString[2] - AAA;
12581 toY = currentMoveString[3] - ONE;
12585 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12587 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12588 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12589 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12590 if(appData.findMirror) {
12591 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12592 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12597 /* Load the nth game from open file f */
12599 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12603 int gn = gameNumber;
12604 ListGame *lg = NULL;
12605 int numPGNTags = 0;
12607 GameMode oldGameMode;
12608 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12610 if (appData.debugMode)
12611 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12613 if (gameMode == Training )
12614 SetTrainingModeOff();
12616 oldGameMode = gameMode;
12617 if (gameMode != BeginningOfGame) {
12618 Reset(FALSE, TRUE);
12620 killX = killY = -1; // [HGM] lion: in case we did not Reset
12623 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12624 fclose(lastLoadGameFP);
12628 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12631 fseek(f, lg->offset, 0);
12632 GameListHighlight(gameNumber);
12633 pos = lg->position;
12637 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12638 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12640 DisplayError(_("Game number out of range"), 0);
12645 if (fseek(f, 0, 0) == -1) {
12646 if (f == lastLoadGameFP ?
12647 gameNumber == lastLoadGameNumber + 1 :
12651 DisplayError(_("Can't seek on game file"), 0);
12656 lastLoadGameFP = f;
12657 lastLoadGameNumber = gameNumber;
12658 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12659 lastLoadGameUseList = useList;
12663 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12664 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12665 lg->gameInfo.black);
12667 } else if (*title != NULLCHAR) {
12668 if (gameNumber > 1) {
12669 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12672 DisplayTitle(title);
12676 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12677 gameMode = PlayFromGameFile;
12681 currentMove = forwardMostMove = backwardMostMove = 0;
12682 CopyBoard(boards[0], initialPosition);
12686 * Skip the first gn-1 games in the file.
12687 * Also skip over anything that precedes an identifiable
12688 * start of game marker, to avoid being confused by
12689 * garbage at the start of the file. Currently
12690 * recognized start of game markers are the move number "1",
12691 * the pattern "gnuchess .* game", the pattern
12692 * "^[#;%] [^ ]* game file", and a PGN tag block.
12693 * A game that starts with one of the latter two patterns
12694 * will also have a move number 1, possibly
12695 * following a position diagram.
12696 * 5-4-02: Let's try being more lenient and allowing a game to
12697 * start with an unnumbered move. Does that break anything?
12699 cm = lastLoadGameStart = EndOfFile;
12701 yyboardindex = forwardMostMove;
12702 cm = (ChessMove) Myylex();
12705 if (cmailMsgLoaded) {
12706 nCmailGames = CMAIL_MAX_GAMES - gn;
12709 DisplayError(_("Game not found in file"), 0);
12716 lastLoadGameStart = cm;
12719 case MoveNumberOne:
12720 switch (lastLoadGameStart) {
12725 case MoveNumberOne:
12727 gn--; /* count this game */
12728 lastLoadGameStart = cm;
12737 switch (lastLoadGameStart) {
12740 case MoveNumberOne:
12742 gn--; /* count this game */
12743 lastLoadGameStart = cm;
12746 lastLoadGameStart = cm; /* game counted already */
12754 yyboardindex = forwardMostMove;
12755 cm = (ChessMove) Myylex();
12756 } while (cm == PGNTag || cm == Comment);
12763 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12764 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12765 != CMAIL_OLD_RESULT) {
12767 cmailResult[ CMAIL_MAX_GAMES
12768 - gn - 1] = CMAIL_OLD_RESULT;
12775 /* Only a NormalMove can be at the start of a game
12776 * without a position diagram. */
12777 if (lastLoadGameStart == EndOfFile ) {
12779 lastLoadGameStart = MoveNumberOne;
12788 if (appData.debugMode)
12789 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12791 if (cm == XBoardGame) {
12792 /* Skip any header junk before position diagram and/or move 1 */
12794 yyboardindex = forwardMostMove;
12795 cm = (ChessMove) Myylex();
12797 if (cm == EndOfFile ||
12798 cm == GNUChessGame || cm == XBoardGame) {
12799 /* Empty game; pretend end-of-file and handle later */
12804 if (cm == MoveNumberOne || cm == PositionDiagram ||
12805 cm == PGNTag || cm == Comment)
12808 } else if (cm == GNUChessGame) {
12809 if (gameInfo.event != NULL) {
12810 free(gameInfo.event);
12812 gameInfo.event = StrSave(yy_text);
12815 startedFromSetupPosition = FALSE;
12816 while (cm == PGNTag) {
12817 if (appData.debugMode)
12818 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12819 err = ParsePGNTag(yy_text, &gameInfo);
12820 if (!err) numPGNTags++;
12822 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12823 if(gameInfo.variant != oldVariant) {
12824 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12825 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12826 InitPosition(TRUE);
12827 oldVariant = gameInfo.variant;
12828 if (appData.debugMode)
12829 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12833 if (gameInfo.fen != NULL) {
12834 Board initial_position;
12835 startedFromSetupPosition = TRUE;
12836 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12838 DisplayError(_("Bad FEN position in file"), 0);
12841 CopyBoard(boards[0], initial_position);
12842 if (blackPlaysFirst) {
12843 currentMove = forwardMostMove = backwardMostMove = 1;
12844 CopyBoard(boards[1], initial_position);
12845 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12846 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12847 timeRemaining[0][1] = whiteTimeRemaining;
12848 timeRemaining[1][1] = blackTimeRemaining;
12849 if (commentList[0] != NULL) {
12850 commentList[1] = commentList[0];
12851 commentList[0] = NULL;
12854 currentMove = forwardMostMove = backwardMostMove = 0;
12856 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12858 initialRulePlies = FENrulePlies;
12859 for( i=0; i< nrCastlingRights; i++ )
12860 initialRights[i] = initial_position[CASTLING][i];
12862 yyboardindex = forwardMostMove;
12863 free(gameInfo.fen);
12864 gameInfo.fen = NULL;
12867 yyboardindex = forwardMostMove;
12868 cm = (ChessMove) Myylex();
12870 /* Handle comments interspersed among the tags */
12871 while (cm == Comment) {
12873 if (appData.debugMode)
12874 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12876 AppendComment(currentMove, p, FALSE);
12877 yyboardindex = forwardMostMove;
12878 cm = (ChessMove) Myylex();
12882 /* don't rely on existence of Event tag since if game was
12883 * pasted from clipboard the Event tag may not exist
12885 if (numPGNTags > 0){
12887 if (gameInfo.variant == VariantNormal) {
12888 VariantClass v = StringToVariant(gameInfo.event);
12889 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12890 if(v < VariantShogi) gameInfo.variant = v;
12893 if( appData.autoDisplayTags ) {
12894 tags = PGNTags(&gameInfo);
12895 TagsPopUp(tags, CmailMsg());
12900 /* Make something up, but don't display it now */
12905 if (cm == PositionDiagram) {
12908 Board initial_position;
12910 if (appData.debugMode)
12911 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12913 if (!startedFromSetupPosition) {
12915 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12916 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12927 initial_position[i][j++] = CharToPiece(*p);
12930 while (*p == ' ' || *p == '\t' ||
12931 *p == '\n' || *p == '\r') p++;
12933 if (strncmp(p, "black", strlen("black"))==0)
12934 blackPlaysFirst = TRUE;
12936 blackPlaysFirst = FALSE;
12937 startedFromSetupPosition = TRUE;
12939 CopyBoard(boards[0], initial_position);
12940 if (blackPlaysFirst) {
12941 currentMove = forwardMostMove = backwardMostMove = 1;
12942 CopyBoard(boards[1], initial_position);
12943 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12944 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12945 timeRemaining[0][1] = whiteTimeRemaining;
12946 timeRemaining[1][1] = blackTimeRemaining;
12947 if (commentList[0] != NULL) {
12948 commentList[1] = commentList[0];
12949 commentList[0] = NULL;
12952 currentMove = forwardMostMove = backwardMostMove = 0;
12955 yyboardindex = forwardMostMove;
12956 cm = (ChessMove) Myylex();
12959 if(!creatingBook) {
12960 if (first.pr == NoProc) {
12961 StartChessProgram(&first);
12963 InitChessProgram(&first, FALSE);
12964 SendToProgram("force\n", &first);
12965 if (startedFromSetupPosition) {
12966 SendBoard(&first, forwardMostMove);
12967 if (appData.debugMode) {
12968 fprintf(debugFP, "Load Game\n");
12970 DisplayBothClocks();
12974 /* [HGM] server: flag to write setup moves in broadcast file as one */
12975 loadFlag = appData.suppressLoadMoves;
12977 while (cm == Comment) {
12979 if (appData.debugMode)
12980 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12982 AppendComment(currentMove, p, FALSE);
12983 yyboardindex = forwardMostMove;
12984 cm = (ChessMove) Myylex();
12987 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12988 cm == WhiteWins || cm == BlackWins ||
12989 cm == GameIsDrawn || cm == GameUnfinished) {
12990 DisplayMessage("", _("No moves in game"));
12991 if (cmailMsgLoaded) {
12992 if (appData.debugMode)
12993 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12997 DrawPosition(FALSE, boards[currentMove]);
12998 DisplayBothClocks();
12999 gameMode = EditGame;
13006 // [HGM] PV info: routine tests if comment empty
13007 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13008 DisplayComment(currentMove - 1, commentList[currentMove]);
13010 if (!matchMode && appData.timeDelay != 0)
13011 DrawPosition(FALSE, boards[currentMove]);
13013 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13014 programStats.ok_to_send = 1;
13017 /* if the first token after the PGN tags is a move
13018 * and not move number 1, retrieve it from the parser
13020 if (cm != MoveNumberOne)
13021 LoadGameOneMove(cm);
13023 /* load the remaining moves from the file */
13024 while (LoadGameOneMove(EndOfFile)) {
13025 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13026 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13029 /* rewind to the start of the game */
13030 currentMove = backwardMostMove;
13032 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13034 if (oldGameMode == AnalyzeFile) {
13035 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13036 AnalyzeFileEvent();
13038 if (oldGameMode == AnalyzeMode) {
13039 AnalyzeFileEvent();
13042 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13043 long int w, b; // [HGM] adjourn: restore saved clock times
13044 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13045 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13046 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13047 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13051 if(creatingBook) return TRUE;
13052 if (!matchMode && pos > 0) {
13053 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13055 if (matchMode || appData.timeDelay == 0) {
13057 } else if (appData.timeDelay > 0) {
13058 AutoPlayGameLoop();
13061 if (appData.debugMode)
13062 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13064 loadFlag = 0; /* [HGM] true game starts */
13068 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13070 ReloadPosition (int offset)
13072 int positionNumber = lastLoadPositionNumber + offset;
13073 if (lastLoadPositionFP == NULL) {
13074 DisplayError(_("No position has been loaded yet"), 0);
13077 if (positionNumber <= 0) {
13078 DisplayError(_("Can't back up any further"), 0);
13081 return LoadPosition(lastLoadPositionFP, positionNumber,
13082 lastLoadPositionTitle);
13085 /* Load the nth position from the given file */
13087 LoadPositionFromFile (char *filename, int n, char *title)
13092 if (strcmp(filename, "-") == 0) {
13093 return LoadPosition(stdin, n, "stdin");
13095 f = fopen(filename, "rb");
13097 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13098 DisplayError(buf, errno);
13101 return LoadPosition(f, n, title);
13106 /* Load the nth position from the given open file, and close it */
13108 LoadPosition (FILE *f, int positionNumber, char *title)
13110 char *p, line[MSG_SIZ];
13111 Board initial_position;
13112 int i, j, fenMode, pn;
13114 if (gameMode == Training )
13115 SetTrainingModeOff();
13117 if (gameMode != BeginningOfGame) {
13118 Reset(FALSE, TRUE);
13120 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13121 fclose(lastLoadPositionFP);
13123 if (positionNumber == 0) positionNumber = 1;
13124 lastLoadPositionFP = f;
13125 lastLoadPositionNumber = positionNumber;
13126 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13127 if (first.pr == NoProc && !appData.noChessProgram) {
13128 StartChessProgram(&first);
13129 InitChessProgram(&first, FALSE);
13131 pn = positionNumber;
13132 if (positionNumber < 0) {
13133 /* Negative position number means to seek to that byte offset */
13134 if (fseek(f, -positionNumber, 0) == -1) {
13135 DisplayError(_("Can't seek on position file"), 0);
13140 if (fseek(f, 0, 0) == -1) {
13141 if (f == lastLoadPositionFP ?
13142 positionNumber == lastLoadPositionNumber + 1 :
13143 positionNumber == 1) {
13146 DisplayError(_("Can't seek on position file"), 0);
13151 /* See if this file is FEN or old-style xboard */
13152 if (fgets(line, MSG_SIZ, f) == NULL) {
13153 DisplayError(_("Position not found in file"), 0);
13156 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13157 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13160 if (fenMode || line[0] == '#') pn--;
13162 /* skip positions before number pn */
13163 if (fgets(line, MSG_SIZ, f) == NULL) {
13165 DisplayError(_("Position not found in file"), 0);
13168 if (fenMode || line[0] == '#') pn--;
13173 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13174 DisplayError(_("Bad FEN position in file"), 0);
13178 (void) fgets(line, MSG_SIZ, f);
13179 (void) fgets(line, MSG_SIZ, f);
13181 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13182 (void) fgets(line, MSG_SIZ, f);
13183 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13186 initial_position[i][j++] = CharToPiece(*p);
13190 blackPlaysFirst = FALSE;
13192 (void) fgets(line, MSG_SIZ, f);
13193 if (strncmp(line, "black", strlen("black"))==0)
13194 blackPlaysFirst = TRUE;
13197 startedFromSetupPosition = TRUE;
13199 CopyBoard(boards[0], initial_position);
13200 if (blackPlaysFirst) {
13201 currentMove = forwardMostMove = backwardMostMove = 1;
13202 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13203 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13204 CopyBoard(boards[1], initial_position);
13205 DisplayMessage("", _("Black to play"));
13207 currentMove = forwardMostMove = backwardMostMove = 0;
13208 DisplayMessage("", _("White to play"));
13210 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13211 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13212 SendToProgram("force\n", &first);
13213 SendBoard(&first, forwardMostMove);
13215 if (appData.debugMode) {
13217 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13218 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13219 fprintf(debugFP, "Load Position\n");
13222 if (positionNumber > 1) {
13223 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13224 DisplayTitle(line);
13226 DisplayTitle(title);
13228 gameMode = EditGame;
13231 timeRemaining[0][1] = whiteTimeRemaining;
13232 timeRemaining[1][1] = blackTimeRemaining;
13233 DrawPosition(FALSE, boards[currentMove]);
13240 CopyPlayerNameIntoFileName (char **dest, char *src)
13242 while (*src != NULLCHAR && *src != ',') {
13247 *(*dest)++ = *src++;
13253 DefaultFileName (char *ext)
13255 static char def[MSG_SIZ];
13258 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13260 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13262 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13264 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13271 /* Save the current game to the given file */
13273 SaveGameToFile (char *filename, int append)
13277 int result, i, t,tot=0;
13279 if (strcmp(filename, "-") == 0) {
13280 return SaveGame(stdout, 0, NULL);
13282 for(i=0; i<10; i++) { // upto 10 tries
13283 f = fopen(filename, append ? "a" : "w");
13284 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13285 if(f || errno != 13) break;
13286 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13290 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13291 DisplayError(buf, errno);
13294 safeStrCpy(buf, lastMsg, MSG_SIZ);
13295 DisplayMessage(_("Waiting for access to save file"), "");
13296 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13297 DisplayMessage(_("Saving game"), "");
13298 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13299 result = SaveGame(f, 0, NULL);
13300 DisplayMessage(buf, "");
13307 SavePart (char *str)
13309 static char buf[MSG_SIZ];
13312 p = strchr(str, ' ');
13313 if (p == NULL) return str;
13314 strncpy(buf, str, p - str);
13315 buf[p - str] = NULLCHAR;
13319 #define PGN_MAX_LINE 75
13321 #define PGN_SIDE_WHITE 0
13322 #define PGN_SIDE_BLACK 1
13325 FindFirstMoveOutOfBook (int side)
13329 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13330 int index = backwardMostMove;
13331 int has_book_hit = 0;
13333 if( (index % 2) != side ) {
13337 while( index < forwardMostMove ) {
13338 /* Check to see if engine is in book */
13339 int depth = pvInfoList[index].depth;
13340 int score = pvInfoList[index].score;
13346 else if( score == 0 && depth == 63 ) {
13347 in_book = 1; /* Zappa */
13349 else if( score == 2 && depth == 99 ) {
13350 in_book = 1; /* Abrok */
13353 has_book_hit += in_book;
13369 GetOutOfBookInfo (char * buf)
13373 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13375 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13376 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13380 if( oob[0] >= 0 || oob[1] >= 0 ) {
13381 for( i=0; i<2; i++ ) {
13385 if( i > 0 && oob[0] >= 0 ) {
13386 strcat( buf, " " );
13389 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13390 sprintf( buf+strlen(buf), "%s%.2f",
13391 pvInfoList[idx].score >= 0 ? "+" : "",
13392 pvInfoList[idx].score / 100.0 );
13398 /* Save game in PGN style */
13400 SaveGamePGN2 (FILE *f)
13402 int i, offset, linelen, newblock;
13405 int movelen, numlen, blank;
13406 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13408 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13410 PrintPGNTags(f, &gameInfo);
13412 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13414 if (backwardMostMove > 0 || startedFromSetupPosition) {
13415 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13416 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13417 fprintf(f, "\n{--------------\n");
13418 PrintPosition(f, backwardMostMove);
13419 fprintf(f, "--------------}\n");
13423 /* [AS] Out of book annotation */
13424 if( appData.saveOutOfBookInfo ) {
13427 GetOutOfBookInfo( buf );
13429 if( buf[0] != '\0' ) {
13430 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13437 i = backwardMostMove;
13441 while (i < forwardMostMove) {
13442 /* Print comments preceding this move */
13443 if (commentList[i] != NULL) {
13444 if (linelen > 0) fprintf(f, "\n");
13445 fprintf(f, "%s", commentList[i]);
13450 /* Format move number */
13452 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13455 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13457 numtext[0] = NULLCHAR;
13459 numlen = strlen(numtext);
13462 /* Print move number */
13463 blank = linelen > 0 && numlen > 0;
13464 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13473 fprintf(f, "%s", numtext);
13477 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13478 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13481 blank = linelen > 0 && movelen > 0;
13482 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13491 fprintf(f, "%s", move_buffer);
13492 linelen += movelen;
13494 /* [AS] Add PV info if present */
13495 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13496 /* [HGM] add time */
13497 char buf[MSG_SIZ]; int seconds;
13499 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13505 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13508 seconds = (seconds + 4)/10; // round to full seconds
13510 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13512 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13515 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13516 pvInfoList[i].score >= 0 ? "+" : "",
13517 pvInfoList[i].score / 100.0,
13518 pvInfoList[i].depth,
13521 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13523 /* Print score/depth */
13524 blank = linelen > 0 && movelen > 0;
13525 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13534 fprintf(f, "%s", move_buffer);
13535 linelen += movelen;
13541 /* Start a new line */
13542 if (linelen > 0) fprintf(f, "\n");
13544 /* Print comments after last move */
13545 if (commentList[i] != NULL) {
13546 fprintf(f, "%s\n", commentList[i]);
13550 if (gameInfo.resultDetails != NULL &&
13551 gameInfo.resultDetails[0] != NULLCHAR) {
13552 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13553 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13554 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13555 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13556 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13558 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13562 /* Save game in PGN style and close the file */
13564 SaveGamePGN (FILE *f)
13568 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13572 /* Save game in old style and close the file */
13574 SaveGameOldStyle (FILE *f)
13579 tm = time((time_t *) NULL);
13581 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13584 if (backwardMostMove > 0 || startedFromSetupPosition) {
13585 fprintf(f, "\n[--------------\n");
13586 PrintPosition(f, backwardMostMove);
13587 fprintf(f, "--------------]\n");
13592 i = backwardMostMove;
13593 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13595 while (i < forwardMostMove) {
13596 if (commentList[i] != NULL) {
13597 fprintf(f, "[%s]\n", commentList[i]);
13600 if ((i % 2) == 1) {
13601 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13604 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13606 if (commentList[i] != NULL) {
13610 if (i >= forwardMostMove) {
13614 fprintf(f, "%s\n", parseList[i]);
13619 if (commentList[i] != NULL) {
13620 fprintf(f, "[%s]\n", commentList[i]);
13623 /* This isn't really the old style, but it's close enough */
13624 if (gameInfo.resultDetails != NULL &&
13625 gameInfo.resultDetails[0] != NULLCHAR) {
13626 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13627 gameInfo.resultDetails);
13629 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13636 /* Save the current game to open file f and close the file */
13638 SaveGame (FILE *f, int dummy, char *dummy2)
13640 if (gameMode == EditPosition) EditPositionDone(TRUE);
13641 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13642 if (appData.oldSaveStyle)
13643 return SaveGameOldStyle(f);
13645 return SaveGamePGN(f);
13648 /* Save the current position to the given file */
13650 SavePositionToFile (char *filename)
13655 if (strcmp(filename, "-") == 0) {
13656 return SavePosition(stdout, 0, NULL);
13658 f = fopen(filename, "a");
13660 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13661 DisplayError(buf, errno);
13664 safeStrCpy(buf, lastMsg, MSG_SIZ);
13665 DisplayMessage(_("Waiting for access to save file"), "");
13666 flock(fileno(f), LOCK_EX); // [HGM] lock
13667 DisplayMessage(_("Saving position"), "");
13668 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13669 SavePosition(f, 0, NULL);
13670 DisplayMessage(buf, "");
13676 /* Save the current position to the given open file and close the file */
13678 SavePosition (FILE *f, int dummy, char *dummy2)
13683 if (gameMode == EditPosition) EditPositionDone(TRUE);
13684 if (appData.oldSaveStyle) {
13685 tm = time((time_t *) NULL);
13687 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13689 fprintf(f, "[--------------\n");
13690 PrintPosition(f, currentMove);
13691 fprintf(f, "--------------]\n");
13693 fen = PositionToFEN(currentMove, NULL, 1);
13694 fprintf(f, "%s\n", fen);
13702 ReloadCmailMsgEvent (int unregister)
13705 static char *inFilename = NULL;
13706 static char *outFilename;
13708 struct stat inbuf, outbuf;
13711 /* Any registered moves are unregistered if unregister is set, */
13712 /* i.e. invoked by the signal handler */
13714 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13715 cmailMoveRegistered[i] = FALSE;
13716 if (cmailCommentList[i] != NULL) {
13717 free(cmailCommentList[i]);
13718 cmailCommentList[i] = NULL;
13721 nCmailMovesRegistered = 0;
13724 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13725 cmailResult[i] = CMAIL_NOT_RESULT;
13729 if (inFilename == NULL) {
13730 /* Because the filenames are static they only get malloced once */
13731 /* and they never get freed */
13732 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13733 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13735 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13736 sprintf(outFilename, "%s.out", appData.cmailGameName);
13739 status = stat(outFilename, &outbuf);
13741 cmailMailedMove = FALSE;
13743 status = stat(inFilename, &inbuf);
13744 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13747 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13748 counts the games, notes how each one terminated, etc.
13750 It would be nice to remove this kludge and instead gather all
13751 the information while building the game list. (And to keep it
13752 in the game list nodes instead of having a bunch of fixed-size
13753 parallel arrays.) Note this will require getting each game's
13754 termination from the PGN tags, as the game list builder does
13755 not process the game moves. --mann
13757 cmailMsgLoaded = TRUE;
13758 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13760 /* Load first game in the file or popup game menu */
13761 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13763 #endif /* !WIN32 */
13771 char string[MSG_SIZ];
13773 if ( cmailMailedMove
13774 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13775 return TRUE; /* Allow free viewing */
13778 /* Unregister move to ensure that we don't leave RegisterMove */
13779 /* with the move registered when the conditions for registering no */
13781 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13782 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13783 nCmailMovesRegistered --;
13785 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13787 free(cmailCommentList[lastLoadGameNumber - 1]);
13788 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13792 if (cmailOldMove == -1) {
13793 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13797 if (currentMove > cmailOldMove + 1) {
13798 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13802 if (currentMove < cmailOldMove) {
13803 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13807 if (forwardMostMove > currentMove) {
13808 /* Silently truncate extra moves */
13812 if ( (currentMove == cmailOldMove + 1)
13813 || ( (currentMove == cmailOldMove)
13814 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13815 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13816 if (gameInfo.result != GameUnfinished) {
13817 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13820 if (commentList[currentMove] != NULL) {
13821 cmailCommentList[lastLoadGameNumber - 1]
13822 = StrSave(commentList[currentMove]);
13824 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13826 if (appData.debugMode)
13827 fprintf(debugFP, "Saving %s for game %d\n",
13828 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13830 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13832 f = fopen(string, "w");
13833 if (appData.oldSaveStyle) {
13834 SaveGameOldStyle(f); /* also closes the file */
13836 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13837 f = fopen(string, "w");
13838 SavePosition(f, 0, NULL); /* also closes the file */
13840 fprintf(f, "{--------------\n");
13841 PrintPosition(f, currentMove);
13842 fprintf(f, "--------------}\n\n");
13844 SaveGame(f, 0, NULL); /* also closes the file*/
13847 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13848 nCmailMovesRegistered ++;
13849 } else if (nCmailGames == 1) {
13850 DisplayError(_("You have not made a move yet"), 0);
13861 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13862 FILE *commandOutput;
13863 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13864 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13870 if (! cmailMsgLoaded) {
13871 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13875 if (nCmailGames == nCmailResults) {
13876 DisplayError(_("No unfinished games"), 0);
13880 #if CMAIL_PROHIBIT_REMAIL
13881 if (cmailMailedMove) {
13882 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);
13883 DisplayError(msg, 0);
13888 if (! (cmailMailedMove || RegisterMove())) return;
13890 if ( cmailMailedMove
13891 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13892 snprintf(string, MSG_SIZ, partCommandString,
13893 appData.debugMode ? " -v" : "", appData.cmailGameName);
13894 commandOutput = popen(string, "r");
13896 if (commandOutput == NULL) {
13897 DisplayError(_("Failed to invoke cmail"), 0);
13899 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13900 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13902 if (nBuffers > 1) {
13903 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13904 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13905 nBytes = MSG_SIZ - 1;
13907 (void) memcpy(msg, buffer, nBytes);
13909 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13911 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13912 cmailMailedMove = TRUE; /* Prevent >1 moves */
13915 for (i = 0; i < nCmailGames; i ++) {
13916 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13921 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13923 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13925 appData.cmailGameName,
13927 LoadGameFromFile(buffer, 1, buffer, FALSE);
13928 cmailMsgLoaded = FALSE;
13932 DisplayInformation(msg);
13933 pclose(commandOutput);
13936 if ((*cmailMsg) != '\0') {
13937 DisplayInformation(cmailMsg);
13942 #endif /* !WIN32 */
13951 int prependComma = 0;
13953 char string[MSG_SIZ]; /* Space for game-list */
13956 if (!cmailMsgLoaded) return "";
13958 if (cmailMailedMove) {
13959 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13961 /* Create a list of games left */
13962 snprintf(string, MSG_SIZ, "[");
13963 for (i = 0; i < nCmailGames; i ++) {
13964 if (! ( cmailMoveRegistered[i]
13965 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13966 if (prependComma) {
13967 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13969 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13973 strcat(string, number);
13976 strcat(string, "]");
13978 if (nCmailMovesRegistered + nCmailResults == 0) {
13979 switch (nCmailGames) {
13981 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13985 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13989 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13994 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13996 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14001 if (nCmailResults == nCmailGames) {
14002 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14004 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14009 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14021 if (gameMode == Training)
14022 SetTrainingModeOff();
14025 cmailMsgLoaded = FALSE;
14026 if (appData.icsActive) {
14027 SendToICS(ics_prefix);
14028 SendToICS("refresh\n");
14033 ExitEvent (int status)
14037 /* Give up on clean exit */
14041 /* Keep trying for clean exit */
14045 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14046 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14048 if (telnetISR != NULL) {
14049 RemoveInputSource(telnetISR);
14051 if (icsPR != NoProc) {
14052 DestroyChildProcess(icsPR, TRUE);
14055 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14056 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14058 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14059 /* make sure this other one finishes before killing it! */
14060 if(endingGame) { int count = 0;
14061 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14062 while(endingGame && count++ < 10) DoSleep(1);
14063 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14066 /* Kill off chess programs */
14067 if (first.pr != NoProc) {
14070 DoSleep( appData.delayBeforeQuit );
14071 SendToProgram("quit\n", &first);
14072 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14074 if (second.pr != NoProc) {
14075 DoSleep( appData.delayBeforeQuit );
14076 SendToProgram("quit\n", &second);
14077 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14079 if (first.isr != NULL) {
14080 RemoveInputSource(first.isr);
14082 if (second.isr != NULL) {
14083 RemoveInputSource(second.isr);
14086 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14087 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14089 ShutDownFrontEnd();
14094 PauseEngine (ChessProgramState *cps)
14096 SendToProgram("pause\n", cps);
14101 UnPauseEngine (ChessProgramState *cps)
14103 SendToProgram("resume\n", cps);
14110 if (appData.debugMode)
14111 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14115 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14117 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14118 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14119 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14121 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14122 HandleMachineMove(stashedInputMove, stalledEngine);
14123 stalledEngine = NULL;
14126 if (gameMode == MachinePlaysWhite ||
14127 gameMode == TwoMachinesPlay ||
14128 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14129 if(first.pause) UnPauseEngine(&first);
14130 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14131 if(second.pause) UnPauseEngine(&second);
14132 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14135 DisplayBothClocks();
14137 if (gameMode == PlayFromGameFile) {
14138 if (appData.timeDelay >= 0)
14139 AutoPlayGameLoop();
14140 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14141 Reset(FALSE, TRUE);
14142 SendToICS(ics_prefix);
14143 SendToICS("refresh\n");
14144 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14145 ForwardInner(forwardMostMove);
14147 pauseExamInvalid = FALSE;
14149 switch (gameMode) {
14153 pauseExamForwardMostMove = forwardMostMove;
14154 pauseExamInvalid = FALSE;
14157 case IcsPlayingWhite:
14158 case IcsPlayingBlack:
14162 case PlayFromGameFile:
14163 (void) StopLoadGameTimer();
14167 case BeginningOfGame:
14168 if (appData.icsActive) return;
14169 /* else fall through */
14170 case MachinePlaysWhite:
14171 case MachinePlaysBlack:
14172 case TwoMachinesPlay:
14173 if (forwardMostMove == 0)
14174 return; /* don't pause if no one has moved */
14175 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14176 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14177 if(onMove->pause) { // thinking engine can be paused
14178 PauseEngine(onMove); // do it
14179 if(onMove->other->pause) // pondering opponent can always be paused immediately
14180 PauseEngine(onMove->other);
14182 SendToProgram("easy\n", onMove->other);
14184 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14185 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14187 PauseEngine(&first);
14189 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14190 } else { // human on move, pause pondering by either method
14192 PauseEngine(&first);
14193 else if(appData.ponderNextMove)
14194 SendToProgram("easy\n", &first);
14197 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14207 EditCommentEvent ()
14209 char title[MSG_SIZ];
14211 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14212 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14214 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14215 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14216 parseList[currentMove - 1]);
14219 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14226 char *tags = PGNTags(&gameInfo);
14228 EditTagsPopUp(tags, NULL);
14235 if(second.analyzing) {
14236 SendToProgram("exit\n", &second);
14237 second.analyzing = FALSE;
14239 if (second.pr == NoProc) StartChessProgram(&second);
14240 InitChessProgram(&second, FALSE);
14241 FeedMovesToProgram(&second, currentMove);
14243 SendToProgram("analyze\n", &second);
14244 second.analyzing = TRUE;
14248 /* Toggle ShowThinking */
14250 ToggleShowThinking()
14252 appData.showThinking = !appData.showThinking;
14253 ShowThinkingEvent();
14257 AnalyzeModeEvent ()
14261 if (!first.analysisSupport) {
14262 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14263 DisplayError(buf, 0);
14266 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14267 if (appData.icsActive) {
14268 if (gameMode != IcsObserving) {
14269 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14270 DisplayError(buf, 0);
14272 if (appData.icsEngineAnalyze) {
14273 if (appData.debugMode)
14274 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14280 /* if enable, user wants to disable icsEngineAnalyze */
14281 if (appData.icsEngineAnalyze) {
14286 appData.icsEngineAnalyze = TRUE;
14287 if (appData.debugMode)
14288 fprintf(debugFP, "ICS engine analyze starting... \n");
14291 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14292 if (appData.noChessProgram || gameMode == AnalyzeMode)
14295 if (gameMode != AnalyzeFile) {
14296 if (!appData.icsEngineAnalyze) {
14298 if (gameMode != EditGame) return 0;
14300 if (!appData.showThinking) ToggleShowThinking();
14301 ResurrectChessProgram();
14302 SendToProgram("analyze\n", &first);
14303 first.analyzing = TRUE;
14304 /*first.maybeThinking = TRUE;*/
14305 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14306 EngineOutputPopUp();
14308 if (!appData.icsEngineAnalyze) {
14309 gameMode = AnalyzeMode;
14310 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14316 StartAnalysisClock();
14317 GetTimeMark(&lastNodeCountTime);
14323 AnalyzeFileEvent ()
14325 if (appData.noChessProgram || gameMode == AnalyzeFile)
14328 if (!first.analysisSupport) {
14330 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14331 DisplayError(buf, 0);
14335 if (gameMode != AnalyzeMode) {
14336 keepInfo = 1; // mere annotating should not alter PGN tags
14339 if (gameMode != EditGame) return;
14340 if (!appData.showThinking) ToggleShowThinking();
14341 ResurrectChessProgram();
14342 SendToProgram("analyze\n", &first);
14343 first.analyzing = TRUE;
14344 /*first.maybeThinking = TRUE;*/
14345 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14346 EngineOutputPopUp();
14348 gameMode = AnalyzeFile;
14352 StartAnalysisClock();
14353 GetTimeMark(&lastNodeCountTime);
14355 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14356 AnalysisPeriodicEvent(1);
14360 MachineWhiteEvent ()
14363 char *bookHit = NULL;
14365 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14369 if (gameMode == PlayFromGameFile ||
14370 gameMode == TwoMachinesPlay ||
14371 gameMode == Training ||
14372 gameMode == AnalyzeMode ||
14373 gameMode == EndOfGame)
14376 if (gameMode == EditPosition)
14377 EditPositionDone(TRUE);
14379 if (!WhiteOnMove(currentMove)) {
14380 DisplayError(_("It is not White's turn"), 0);
14384 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14387 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14388 gameMode == AnalyzeFile)
14391 ResurrectChessProgram(); /* in case it isn't running */
14392 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14393 gameMode = MachinePlaysWhite;
14396 gameMode = MachinePlaysWhite;
14400 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14402 if (first.sendName) {
14403 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14404 SendToProgram(buf, &first);
14406 if (first.sendTime) {
14407 if (first.useColors) {
14408 SendToProgram("black\n", &first); /*gnu kludge*/
14410 SendTimeRemaining(&first, TRUE);
14412 if (first.useColors) {
14413 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14415 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14416 SetMachineThinkingEnables();
14417 first.maybeThinking = TRUE;
14421 if (appData.autoFlipView && !flipView) {
14422 flipView = !flipView;
14423 DrawPosition(FALSE, NULL);
14424 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14427 if(bookHit) { // [HGM] book: simulate book reply
14428 static char bookMove[MSG_SIZ]; // a bit generous?
14430 programStats.nodes = programStats.depth = programStats.time =
14431 programStats.score = programStats.got_only_move = 0;
14432 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14434 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14435 strcat(bookMove, bookHit);
14436 HandleMachineMove(bookMove, &first);
14441 MachineBlackEvent ()
14444 char *bookHit = NULL;
14446 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14450 if (gameMode == PlayFromGameFile ||
14451 gameMode == TwoMachinesPlay ||
14452 gameMode == Training ||
14453 gameMode == AnalyzeMode ||
14454 gameMode == EndOfGame)
14457 if (gameMode == EditPosition)
14458 EditPositionDone(TRUE);
14460 if (WhiteOnMove(currentMove)) {
14461 DisplayError(_("It is not Black's turn"), 0);
14465 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14468 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14469 gameMode == AnalyzeFile)
14472 ResurrectChessProgram(); /* in case it isn't running */
14473 gameMode = MachinePlaysBlack;
14477 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14479 if (first.sendName) {
14480 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14481 SendToProgram(buf, &first);
14483 if (first.sendTime) {
14484 if (first.useColors) {
14485 SendToProgram("white\n", &first); /*gnu kludge*/
14487 SendTimeRemaining(&first, FALSE);
14489 if (first.useColors) {
14490 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14492 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14493 SetMachineThinkingEnables();
14494 first.maybeThinking = TRUE;
14497 if (appData.autoFlipView && flipView) {
14498 flipView = !flipView;
14499 DrawPosition(FALSE, NULL);
14500 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14502 if(bookHit) { // [HGM] book: simulate book reply
14503 static char bookMove[MSG_SIZ]; // a bit generous?
14505 programStats.nodes = programStats.depth = programStats.time =
14506 programStats.score = programStats.got_only_move = 0;
14507 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14509 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14510 strcat(bookMove, bookHit);
14511 HandleMachineMove(bookMove, &first);
14517 DisplayTwoMachinesTitle ()
14520 if (appData.matchGames > 0) {
14521 if(appData.tourneyFile[0]) {
14522 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14523 gameInfo.white, _("vs."), gameInfo.black,
14524 nextGame+1, appData.matchGames+1,
14525 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14527 if (first.twoMachinesColor[0] == 'w') {
14528 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14529 gameInfo.white, _("vs."), gameInfo.black,
14530 first.matchWins, second.matchWins,
14531 matchGame - 1 - (first.matchWins + second.matchWins));
14533 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14534 gameInfo.white, _("vs."), gameInfo.black,
14535 second.matchWins, first.matchWins,
14536 matchGame - 1 - (first.matchWins + second.matchWins));
14539 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14545 SettingsMenuIfReady ()
14547 if (second.lastPing != second.lastPong) {
14548 DisplayMessage("", _("Waiting for second chess program"));
14549 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14553 DisplayMessage("", "");
14554 SettingsPopUp(&second);
14558 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14561 if (cps->pr == NoProc) {
14562 StartChessProgram(cps);
14563 if (cps->protocolVersion == 1) {
14565 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14567 /* kludge: allow timeout for initial "feature" command */
14568 if(retry != TwoMachinesEventIfReady) FreezeUI();
14569 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14570 DisplayMessage("", buf);
14571 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14579 TwoMachinesEvent P((void))
14583 ChessProgramState *onmove;
14584 char *bookHit = NULL;
14585 static int stalling = 0;
14589 if (appData.noChessProgram) return;
14591 switch (gameMode) {
14592 case TwoMachinesPlay:
14594 case MachinePlaysWhite:
14595 case MachinePlaysBlack:
14596 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14597 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14601 case BeginningOfGame:
14602 case PlayFromGameFile:
14605 if (gameMode != EditGame) return;
14608 EditPositionDone(TRUE);
14619 // forwardMostMove = currentMove;
14620 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14621 startingEngine = TRUE;
14623 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14625 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14626 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14627 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14630 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14632 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14633 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14634 startingEngine = FALSE;
14635 DisplayError("second engine does not play this", 0);
14640 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14641 SendToProgram("force\n", &second);
14643 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14646 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14647 if(appData.matchPause>10000 || appData.matchPause<10)
14648 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14649 wait = SubtractTimeMarks(&now, &pauseStart);
14650 if(wait < appData.matchPause) {
14651 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14654 // we are now committed to starting the game
14656 DisplayMessage("", "");
14657 if (startedFromSetupPosition) {
14658 SendBoard(&second, backwardMostMove);
14659 if (appData.debugMode) {
14660 fprintf(debugFP, "Two Machines\n");
14663 for (i = backwardMostMove; i < forwardMostMove; i++) {
14664 SendMoveToProgram(i, &second);
14667 gameMode = TwoMachinesPlay;
14668 pausing = startingEngine = FALSE;
14669 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14671 DisplayTwoMachinesTitle();
14673 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14678 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14679 SendToProgram(first.computerString, &first);
14680 if (first.sendName) {
14681 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14682 SendToProgram(buf, &first);
14684 SendToProgram(second.computerString, &second);
14685 if (second.sendName) {
14686 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14687 SendToProgram(buf, &second);
14691 if (!first.sendTime || !second.sendTime) {
14692 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14693 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14695 if (onmove->sendTime) {
14696 if (onmove->useColors) {
14697 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14699 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14701 if (onmove->useColors) {
14702 SendToProgram(onmove->twoMachinesColor, onmove);
14704 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14705 // SendToProgram("go\n", onmove);
14706 onmove->maybeThinking = TRUE;
14707 SetMachineThinkingEnables();
14711 if(bookHit) { // [HGM] book: simulate book reply
14712 static char bookMove[MSG_SIZ]; // a bit generous?
14714 programStats.nodes = programStats.depth = programStats.time =
14715 programStats.score = programStats.got_only_move = 0;
14716 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14718 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14719 strcat(bookMove, bookHit);
14720 savedMessage = bookMove; // args for deferred call
14721 savedState = onmove;
14722 ScheduleDelayedEvent(DeferredBookMove, 1);
14729 if (gameMode == Training) {
14730 SetTrainingModeOff();
14731 gameMode = PlayFromGameFile;
14732 DisplayMessage("", _("Training mode off"));
14734 gameMode = Training;
14735 animateTraining = appData.animate;
14737 /* make sure we are not already at the end of the game */
14738 if (currentMove < forwardMostMove) {
14739 SetTrainingModeOn();
14740 DisplayMessage("", _("Training mode on"));
14742 gameMode = PlayFromGameFile;
14743 DisplayError(_("Already at end of game"), 0);
14752 if (!appData.icsActive) return;
14753 switch (gameMode) {
14754 case IcsPlayingWhite:
14755 case IcsPlayingBlack:
14758 case BeginningOfGame:
14766 EditPositionDone(TRUE);
14779 gameMode = IcsIdle;
14789 switch (gameMode) {
14791 SetTrainingModeOff();
14793 case MachinePlaysWhite:
14794 case MachinePlaysBlack:
14795 case BeginningOfGame:
14796 SendToProgram("force\n", &first);
14797 SetUserThinkingEnables();
14799 case PlayFromGameFile:
14800 (void) StopLoadGameTimer();
14801 if (gameFileFP != NULL) {
14806 EditPositionDone(TRUE);
14811 SendToProgram("force\n", &first);
14813 case TwoMachinesPlay:
14814 GameEnds(EndOfFile, NULL, GE_PLAYER);
14815 ResurrectChessProgram();
14816 SetUserThinkingEnables();
14819 ResurrectChessProgram();
14821 case IcsPlayingBlack:
14822 case IcsPlayingWhite:
14823 DisplayError(_("Warning: You are still playing a game"), 0);
14826 DisplayError(_("Warning: You are still observing a game"), 0);
14829 DisplayError(_("Warning: You are still examining a game"), 0);
14840 first.offeredDraw = second.offeredDraw = 0;
14842 if (gameMode == PlayFromGameFile) {
14843 whiteTimeRemaining = timeRemaining[0][currentMove];
14844 blackTimeRemaining = timeRemaining[1][currentMove];
14848 if (gameMode == MachinePlaysWhite ||
14849 gameMode == MachinePlaysBlack ||
14850 gameMode == TwoMachinesPlay ||
14851 gameMode == EndOfGame) {
14852 i = forwardMostMove;
14853 while (i > currentMove) {
14854 SendToProgram("undo\n", &first);
14857 if(!adjustedClock) {
14858 whiteTimeRemaining = timeRemaining[0][currentMove];
14859 blackTimeRemaining = timeRemaining[1][currentMove];
14860 DisplayBothClocks();
14862 if (whiteFlag || blackFlag) {
14863 whiteFlag = blackFlag = 0;
14868 gameMode = EditGame;
14875 EditPositionEvent ()
14877 if (gameMode == EditPosition) {
14883 if (gameMode != EditGame) return;
14885 gameMode = EditPosition;
14888 if (currentMove > 0)
14889 CopyBoard(boards[0], boards[currentMove]);
14891 blackPlaysFirst = !WhiteOnMove(currentMove);
14893 currentMove = forwardMostMove = backwardMostMove = 0;
14894 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14896 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14902 /* [DM] icsEngineAnalyze - possible call from other functions */
14903 if (appData.icsEngineAnalyze) {
14904 appData.icsEngineAnalyze = FALSE;
14906 DisplayMessage("",_("Close ICS engine analyze..."));
14908 if (first.analysisSupport && first.analyzing) {
14909 SendToBoth("exit\n");
14910 first.analyzing = second.analyzing = FALSE;
14912 thinkOutput[0] = NULLCHAR;
14916 EditPositionDone (Boolean fakeRights)
14918 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14920 startedFromSetupPosition = TRUE;
14921 InitChessProgram(&first, FALSE);
14922 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14923 boards[0][EP_STATUS] = EP_NONE;
14924 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14925 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14926 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14927 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14928 } else boards[0][CASTLING][2] = NoRights;
14929 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14930 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14931 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14932 } else boards[0][CASTLING][5] = NoRights;
14933 if(gameInfo.variant == VariantSChess) {
14935 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14936 boards[0][VIRGIN][i] = 0;
14937 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14938 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14942 SendToProgram("force\n", &first);
14943 if (blackPlaysFirst) {
14944 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14945 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14946 currentMove = forwardMostMove = backwardMostMove = 1;
14947 CopyBoard(boards[1], boards[0]);
14949 currentMove = forwardMostMove = backwardMostMove = 0;
14951 SendBoard(&first, forwardMostMove);
14952 if (appData.debugMode) {
14953 fprintf(debugFP, "EditPosDone\n");
14956 DisplayMessage("", "");
14957 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14958 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14959 gameMode = EditGame;
14961 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14962 ClearHighlights(); /* [AS] */
14965 /* Pause for `ms' milliseconds */
14966 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14968 TimeDelay (long ms)
14975 } while (SubtractTimeMarks(&m2, &m1) < ms);
14978 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14980 SendMultiLineToICS (char *buf)
14982 char temp[MSG_SIZ+1], *p;
14989 strncpy(temp, buf, len);
14994 if (*p == '\n' || *p == '\r')
14999 strcat(temp, "\n");
15001 SendToPlayer(temp, strlen(temp));
15005 SetWhiteToPlayEvent ()
15007 if (gameMode == EditPosition) {
15008 blackPlaysFirst = FALSE;
15009 DisplayBothClocks(); /* works because currentMove is 0 */
15010 } else if (gameMode == IcsExamining) {
15011 SendToICS(ics_prefix);
15012 SendToICS("tomove white\n");
15017 SetBlackToPlayEvent ()
15019 if (gameMode == EditPosition) {
15020 blackPlaysFirst = TRUE;
15021 currentMove = 1; /* kludge */
15022 DisplayBothClocks();
15024 } else if (gameMode == IcsExamining) {
15025 SendToICS(ics_prefix);
15026 SendToICS("tomove black\n");
15031 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15034 ChessSquare piece = boards[0][y][x];
15035 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15036 static int lastVariant;
15038 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15040 switch (selection) {
15042 CopyBoard(currentBoard, boards[0]);
15043 CopyBoard(menuBoard, initialPosition);
15044 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15045 SendToICS(ics_prefix);
15046 SendToICS("bsetup clear\n");
15047 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15048 SendToICS(ics_prefix);
15049 SendToICS("clearboard\n");
15052 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15053 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15054 for (y = 0; y < BOARD_HEIGHT; y++) {
15055 if (gameMode == IcsExamining) {
15056 if (boards[currentMove][y][x] != EmptySquare) {
15057 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15062 if(boards[0][y][x] != p) nonEmpty++;
15063 boards[0][y][x] = p;
15067 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15069 for(r = 0; r < BOARD_HEIGHT; r++) {
15070 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15071 ChessSquare p = menuBoard[r][x];
15072 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15075 DisplayMessage("Clicking clock again restores position", "");
15076 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15077 if(!nonEmpty) { // asked to clear an empty board
15078 CopyBoard(boards[0], menuBoard);
15080 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15081 CopyBoard(boards[0], initialPosition);
15083 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15084 && !CompareBoards(nullBoard, erasedBoard)) {
15085 CopyBoard(boards[0], erasedBoard);
15087 CopyBoard(erasedBoard, currentBoard);
15091 if (gameMode == EditPosition) {
15092 DrawPosition(FALSE, boards[0]);
15097 SetWhiteToPlayEvent();
15101 SetBlackToPlayEvent();
15105 if (gameMode == IcsExamining) {
15106 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15107 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15110 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15111 if(x == BOARD_LEFT-2) {
15112 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15113 boards[0][y][1] = 0;
15115 if(x == BOARD_RGHT+1) {
15116 if(y >= gameInfo.holdingsSize) break;
15117 boards[0][y][BOARD_WIDTH-2] = 0;
15120 boards[0][y][x] = EmptySquare;
15121 DrawPosition(FALSE, boards[0]);
15126 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15127 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15128 selection = (ChessSquare) (PROMOTED piece);
15129 } else if(piece == EmptySquare) selection = WhiteSilver;
15130 else selection = (ChessSquare)((int)piece - 1);
15134 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15135 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15136 selection = (ChessSquare) (DEMOTED piece);
15137 } else if(piece == EmptySquare) selection = BlackSilver;
15138 else selection = (ChessSquare)((int)piece + 1);
15143 if(gameInfo.variant == VariantShatranj ||
15144 gameInfo.variant == VariantXiangqi ||
15145 gameInfo.variant == VariantCourier ||
15146 gameInfo.variant == VariantASEAN ||
15147 gameInfo.variant == VariantMakruk )
15148 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15153 if(gameInfo.variant == VariantXiangqi)
15154 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15155 if(gameInfo.variant == VariantKnightmate)
15156 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15159 if (gameMode == IcsExamining) {
15160 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15161 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15162 PieceToChar(selection), AAA + x, ONE + y);
15165 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15167 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15168 n = PieceToNumber(selection - BlackPawn);
15169 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15170 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15171 boards[0][BOARD_HEIGHT-1-n][1]++;
15173 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15174 n = PieceToNumber(selection);
15175 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15176 boards[0][n][BOARD_WIDTH-1] = selection;
15177 boards[0][n][BOARD_WIDTH-2]++;
15180 boards[0][y][x] = selection;
15181 DrawPosition(TRUE, boards[0]);
15183 fromX = fromY = -1;
15191 DropMenuEvent (ChessSquare selection, int x, int y)
15193 ChessMove moveType;
15195 switch (gameMode) {
15196 case IcsPlayingWhite:
15197 case MachinePlaysBlack:
15198 if (!WhiteOnMove(currentMove)) {
15199 DisplayMoveError(_("It is Black's turn"));
15202 moveType = WhiteDrop;
15204 case IcsPlayingBlack:
15205 case MachinePlaysWhite:
15206 if (WhiteOnMove(currentMove)) {
15207 DisplayMoveError(_("It is White's turn"));
15210 moveType = BlackDrop;
15213 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15219 if (moveType == BlackDrop && selection < BlackPawn) {
15220 selection = (ChessSquare) ((int) selection
15221 + (int) BlackPawn - (int) WhitePawn);
15223 if (boards[currentMove][y][x] != EmptySquare) {
15224 DisplayMoveError(_("That square is occupied"));
15228 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15234 /* Accept a pending offer of any kind from opponent */
15236 if (appData.icsActive) {
15237 SendToICS(ics_prefix);
15238 SendToICS("accept\n");
15239 } else if (cmailMsgLoaded) {
15240 if (currentMove == cmailOldMove &&
15241 commentList[cmailOldMove] != NULL &&
15242 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15243 "Black offers a draw" : "White offers a draw")) {
15245 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15246 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15248 DisplayError(_("There is no pending offer on this move"), 0);
15249 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15252 /* Not used for offers from chess program */
15259 /* Decline a pending offer of any kind from opponent */
15261 if (appData.icsActive) {
15262 SendToICS(ics_prefix);
15263 SendToICS("decline\n");
15264 } else if (cmailMsgLoaded) {
15265 if (currentMove == cmailOldMove &&
15266 commentList[cmailOldMove] != NULL &&
15267 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15268 "Black offers a draw" : "White offers a draw")) {
15270 AppendComment(cmailOldMove, "Draw declined", TRUE);
15271 DisplayComment(cmailOldMove - 1, "Draw declined");
15274 DisplayError(_("There is no pending offer on this move"), 0);
15277 /* Not used for offers from chess program */
15284 /* Issue ICS rematch command */
15285 if (appData.icsActive) {
15286 SendToICS(ics_prefix);
15287 SendToICS("rematch\n");
15294 /* Call your opponent's flag (claim a win on time) */
15295 if (appData.icsActive) {
15296 SendToICS(ics_prefix);
15297 SendToICS("flag\n");
15299 switch (gameMode) {
15302 case MachinePlaysWhite:
15305 GameEnds(GameIsDrawn, "Both players ran out of time",
15308 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15310 DisplayError(_("Your opponent is not out of time"), 0);
15313 case MachinePlaysBlack:
15316 GameEnds(GameIsDrawn, "Both players ran out of time",
15319 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15321 DisplayError(_("Your opponent is not out of time"), 0);
15329 ClockClick (int which)
15330 { // [HGM] code moved to back-end from winboard.c
15331 if(which) { // black clock
15332 if (gameMode == EditPosition || gameMode == IcsExamining) {
15333 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15334 SetBlackToPlayEvent();
15335 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15336 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15337 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15338 } else if (shiftKey) {
15339 AdjustClock(which, -1);
15340 } else if (gameMode == IcsPlayingWhite ||
15341 gameMode == MachinePlaysBlack) {
15344 } else { // white clock
15345 if (gameMode == EditPosition || gameMode == IcsExamining) {
15346 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15347 SetWhiteToPlayEvent();
15348 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15349 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15350 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15351 } else if (shiftKey) {
15352 AdjustClock(which, -1);
15353 } else if (gameMode == IcsPlayingBlack ||
15354 gameMode == MachinePlaysWhite) {
15363 /* Offer draw or accept pending draw offer from opponent */
15365 if (appData.icsActive) {
15366 /* Note: tournament rules require draw offers to be
15367 made after you make your move but before you punch
15368 your clock. Currently ICS doesn't let you do that;
15369 instead, you immediately punch your clock after making
15370 a move, but you can offer a draw at any time. */
15372 SendToICS(ics_prefix);
15373 SendToICS("draw\n");
15374 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15375 } else if (cmailMsgLoaded) {
15376 if (currentMove == cmailOldMove &&
15377 commentList[cmailOldMove] != NULL &&
15378 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15379 "Black offers a draw" : "White offers a draw")) {
15380 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15381 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15382 } else if (currentMove == cmailOldMove + 1) {
15383 char *offer = WhiteOnMove(cmailOldMove) ?
15384 "White offers a draw" : "Black offers a draw";
15385 AppendComment(currentMove, offer, TRUE);
15386 DisplayComment(currentMove - 1, offer);
15387 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15389 DisplayError(_("You must make your move before offering a draw"), 0);
15390 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15392 } else if (first.offeredDraw) {
15393 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15395 if (first.sendDrawOffers) {
15396 SendToProgram("draw\n", &first);
15397 userOfferedDraw = TRUE;
15405 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15407 if (appData.icsActive) {
15408 SendToICS(ics_prefix);
15409 SendToICS("adjourn\n");
15411 /* Currently GNU Chess doesn't offer or accept Adjourns */
15419 /* Offer Abort or accept pending Abort offer from opponent */
15421 if (appData.icsActive) {
15422 SendToICS(ics_prefix);
15423 SendToICS("abort\n");
15425 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15432 /* Resign. You can do this even if it's not your turn. */
15434 if (appData.icsActive) {
15435 SendToICS(ics_prefix);
15436 SendToICS("resign\n");
15438 switch (gameMode) {
15439 case MachinePlaysWhite:
15440 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15442 case MachinePlaysBlack:
15443 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15446 if (cmailMsgLoaded) {
15448 if (WhiteOnMove(cmailOldMove)) {
15449 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15451 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15453 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15464 StopObservingEvent ()
15466 /* Stop observing current games */
15467 SendToICS(ics_prefix);
15468 SendToICS("unobserve\n");
15472 StopExaminingEvent ()
15474 /* Stop observing current game */
15475 SendToICS(ics_prefix);
15476 SendToICS("unexamine\n");
15480 ForwardInner (int target)
15482 int limit; int oldSeekGraphUp = seekGraphUp;
15484 if (appData.debugMode)
15485 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15486 target, currentMove, forwardMostMove);
15488 if (gameMode == EditPosition)
15491 seekGraphUp = FALSE;
15492 MarkTargetSquares(1);
15494 if (gameMode == PlayFromGameFile && !pausing)
15497 if (gameMode == IcsExamining && pausing)
15498 limit = pauseExamForwardMostMove;
15500 limit = forwardMostMove;
15502 if (target > limit) target = limit;
15504 if (target > 0 && moveList[target - 1][0]) {
15505 int fromX, fromY, toX, toY;
15506 toX = moveList[target - 1][2] - AAA;
15507 toY = moveList[target - 1][3] - ONE;
15508 if (moveList[target - 1][1] == '@') {
15509 if (appData.highlightLastMove) {
15510 SetHighlights(-1, -1, toX, toY);
15513 int viaX = moveList[target - 1][5] - AAA;
15514 int viaY = moveList[target - 1][6] - ONE;
15515 fromX = moveList[target - 1][0] - AAA;
15516 fromY = moveList[target - 1][1] - ONE;
15517 if (target == currentMove + 1) {
15518 if(moveList[target - 1][4] == ';') { // multi-leg
15519 ChessSquare piece = boards[currentMove][viaY][viaX];
15520 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15521 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15522 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15523 boards[currentMove][viaY][viaX] = piece;
15525 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15527 if (appData.highlightLastMove) {
15528 SetHighlights(fromX, fromY, toX, toY);
15532 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15533 gameMode == Training || gameMode == PlayFromGameFile ||
15534 gameMode == AnalyzeFile) {
15535 while (currentMove < target) {
15536 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15537 SendMoveToProgram(currentMove++, &first);
15540 currentMove = target;
15543 if (gameMode == EditGame || gameMode == EndOfGame) {
15544 whiteTimeRemaining = timeRemaining[0][currentMove];
15545 blackTimeRemaining = timeRemaining[1][currentMove];
15547 DisplayBothClocks();
15548 DisplayMove(currentMove - 1);
15549 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15550 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15551 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15552 DisplayComment(currentMove - 1, commentList[currentMove]);
15554 ClearMap(); // [HGM] exclude: invalidate map
15561 if (gameMode == IcsExamining && !pausing) {
15562 SendToICS(ics_prefix);
15563 SendToICS("forward\n");
15565 ForwardInner(currentMove + 1);
15572 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15573 /* to optimze, we temporarily turn off analysis mode while we feed
15574 * the remaining moves to the engine. Otherwise we get analysis output
15577 if (first.analysisSupport) {
15578 SendToProgram("exit\nforce\n", &first);
15579 first.analyzing = FALSE;
15583 if (gameMode == IcsExamining && !pausing) {
15584 SendToICS(ics_prefix);
15585 SendToICS("forward 999999\n");
15587 ForwardInner(forwardMostMove);
15590 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15591 /* we have fed all the moves, so reactivate analysis mode */
15592 SendToProgram("analyze\n", &first);
15593 first.analyzing = TRUE;
15594 /*first.maybeThinking = TRUE;*/
15595 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15600 BackwardInner (int target)
15602 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15604 if (appData.debugMode)
15605 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15606 target, currentMove, forwardMostMove);
15608 if (gameMode == EditPosition) return;
15609 seekGraphUp = FALSE;
15610 MarkTargetSquares(1);
15611 if (currentMove <= backwardMostMove) {
15613 DrawPosition(full_redraw, boards[currentMove]);
15616 if (gameMode == PlayFromGameFile && !pausing)
15619 if (moveList[target][0]) {
15620 int fromX, fromY, toX, toY;
15621 toX = moveList[target][2] - AAA;
15622 toY = moveList[target][3] - ONE;
15623 if (moveList[target][1] == '@') {
15624 if (appData.highlightLastMove) {
15625 SetHighlights(-1, -1, toX, toY);
15628 fromX = moveList[target][0] - AAA;
15629 fromY = moveList[target][1] - ONE;
15630 if (target == currentMove - 1) {
15631 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15633 if (appData.highlightLastMove) {
15634 SetHighlights(fromX, fromY, toX, toY);
15638 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15639 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15640 while (currentMove > target) {
15641 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15642 // null move cannot be undone. Reload program with move history before it.
15644 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15645 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15647 SendBoard(&first, i);
15648 if(second.analyzing) SendBoard(&second, i);
15649 for(currentMove=i; currentMove<target; currentMove++) {
15650 SendMoveToProgram(currentMove, &first);
15651 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15655 SendToBoth("undo\n");
15659 currentMove = target;
15662 if (gameMode == EditGame || gameMode == EndOfGame) {
15663 whiteTimeRemaining = timeRemaining[0][currentMove];
15664 blackTimeRemaining = timeRemaining[1][currentMove];
15666 DisplayBothClocks();
15667 DisplayMove(currentMove - 1);
15668 DrawPosition(full_redraw, boards[currentMove]);
15669 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15670 // [HGM] PV info: routine tests if comment empty
15671 DisplayComment(currentMove - 1, commentList[currentMove]);
15672 ClearMap(); // [HGM] exclude: invalidate map
15678 if (gameMode == IcsExamining && !pausing) {
15679 SendToICS(ics_prefix);
15680 SendToICS("backward\n");
15682 BackwardInner(currentMove - 1);
15689 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15690 /* to optimize, we temporarily turn off analysis mode while we undo
15691 * all the moves. Otherwise we get analysis output after each undo.
15693 if (first.analysisSupport) {
15694 SendToProgram("exit\nforce\n", &first);
15695 first.analyzing = FALSE;
15699 if (gameMode == IcsExamining && !pausing) {
15700 SendToICS(ics_prefix);
15701 SendToICS("backward 999999\n");
15703 BackwardInner(backwardMostMove);
15706 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15707 /* we have fed all the moves, so reactivate analysis mode */
15708 SendToProgram("analyze\n", &first);
15709 first.analyzing = TRUE;
15710 /*first.maybeThinking = TRUE;*/
15711 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15718 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15719 if (to >= forwardMostMove) to = forwardMostMove;
15720 if (to <= backwardMostMove) to = backwardMostMove;
15721 if (to < currentMove) {
15729 RevertEvent (Boolean annotate)
15731 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15734 if (gameMode != IcsExamining) {
15735 DisplayError(_("You are not examining a game"), 0);
15739 DisplayError(_("You can't revert while pausing"), 0);
15742 SendToICS(ics_prefix);
15743 SendToICS("revert\n");
15747 RetractMoveEvent ()
15749 switch (gameMode) {
15750 case MachinePlaysWhite:
15751 case MachinePlaysBlack:
15752 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15753 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15756 if (forwardMostMove < 2) return;
15757 currentMove = forwardMostMove = forwardMostMove - 2;
15758 whiteTimeRemaining = timeRemaining[0][currentMove];
15759 blackTimeRemaining = timeRemaining[1][currentMove];
15760 DisplayBothClocks();
15761 DisplayMove(currentMove - 1);
15762 ClearHighlights();/*!! could figure this out*/
15763 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15764 SendToProgram("remove\n", &first);
15765 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15768 case BeginningOfGame:
15772 case IcsPlayingWhite:
15773 case IcsPlayingBlack:
15774 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15775 SendToICS(ics_prefix);
15776 SendToICS("takeback 2\n");
15778 SendToICS(ics_prefix);
15779 SendToICS("takeback 1\n");
15788 ChessProgramState *cps;
15790 switch (gameMode) {
15791 case MachinePlaysWhite:
15792 if (!WhiteOnMove(forwardMostMove)) {
15793 DisplayError(_("It is your turn"), 0);
15798 case MachinePlaysBlack:
15799 if (WhiteOnMove(forwardMostMove)) {
15800 DisplayError(_("It is your turn"), 0);
15805 case TwoMachinesPlay:
15806 if (WhiteOnMove(forwardMostMove) ==
15807 (first.twoMachinesColor[0] == 'w')) {
15813 case BeginningOfGame:
15817 SendToProgram("?\n", cps);
15821 TruncateGameEvent ()
15824 if (gameMode != EditGame) return;
15831 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15832 if (forwardMostMove > currentMove) {
15833 if (gameInfo.resultDetails != NULL) {
15834 free(gameInfo.resultDetails);
15835 gameInfo.resultDetails = NULL;
15836 gameInfo.result = GameUnfinished;
15838 forwardMostMove = currentMove;
15839 HistorySet(parseList, backwardMostMove, forwardMostMove,
15847 if (appData.noChessProgram) return;
15848 switch (gameMode) {
15849 case MachinePlaysWhite:
15850 if (WhiteOnMove(forwardMostMove)) {
15851 DisplayError(_("Wait until your turn."), 0);
15855 case BeginningOfGame:
15856 case MachinePlaysBlack:
15857 if (!WhiteOnMove(forwardMostMove)) {
15858 DisplayError(_("Wait until your turn."), 0);
15863 DisplayError(_("No hint available"), 0);
15866 SendToProgram("hint\n", &first);
15867 hintRequested = TRUE;
15871 SaveSelected (FILE *g, int dummy, char *dummy2)
15873 ListGame * lg = (ListGame *) gameList.head;
15877 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15878 DisplayError(_("Game list not loaded or empty"), 0);
15882 creatingBook = TRUE; // suppresses stuff during load game
15884 /* Get list size */
15885 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15886 if(lg->position >= 0) { // selected?
15887 LoadGame(f, nItem, "", TRUE);
15888 SaveGamePGN2(g); // leaves g open
15891 lg = (ListGame *) lg->node.succ;
15895 creatingBook = FALSE;
15903 ListGame * lg = (ListGame *) gameList.head;
15906 static int secondTime = FALSE;
15908 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15909 DisplayError(_("Game list not loaded or empty"), 0);
15913 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15916 DisplayNote(_("Book file exists! Try again for overwrite."));
15920 creatingBook = TRUE;
15921 secondTime = FALSE;
15923 /* Get list size */
15924 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15925 if(lg->position >= 0) {
15926 LoadGame(f, nItem, "", TRUE);
15927 AddGameToBook(TRUE);
15930 lg = (ListGame *) lg->node.succ;
15933 creatingBook = FALSE;
15940 if (appData.noChessProgram) return;
15941 switch (gameMode) {
15942 case MachinePlaysWhite:
15943 if (WhiteOnMove(forwardMostMove)) {
15944 DisplayError(_("Wait until your turn."), 0);
15948 case BeginningOfGame:
15949 case MachinePlaysBlack:
15950 if (!WhiteOnMove(forwardMostMove)) {
15951 DisplayError(_("Wait until your turn."), 0);
15956 EditPositionDone(TRUE);
15958 case TwoMachinesPlay:
15963 SendToProgram("bk\n", &first);
15964 bookOutput[0] = NULLCHAR;
15965 bookRequested = TRUE;
15971 char *tags = PGNTags(&gameInfo);
15972 TagsPopUp(tags, CmailMsg());
15976 /* end button procedures */
15979 PrintPosition (FILE *fp, int move)
15983 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15984 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15985 char c = PieceToChar(boards[move][i][j]);
15986 fputc(c == 'x' ? '.' : c, fp);
15987 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15990 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15991 fprintf(fp, "white to play\n");
15993 fprintf(fp, "black to play\n");
15997 PrintOpponents (FILE *fp)
15999 if (gameInfo.white != NULL) {
16000 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16006 /* Find last component of program's own name, using some heuristics */
16008 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16011 int local = (strcmp(host, "localhost") == 0);
16012 while (!local && (p = strchr(prog, ';')) != NULL) {
16014 while (*p == ' ') p++;
16017 if (*prog == '"' || *prog == '\'') {
16018 q = strchr(prog + 1, *prog);
16020 q = strchr(prog, ' ');
16022 if (q == NULL) q = prog + strlen(prog);
16024 while (p >= prog && *p != '/' && *p != '\\') p--;
16026 if(p == prog && *p == '"') p++;
16028 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16029 memcpy(buf, p, q - p);
16030 buf[q - p] = NULLCHAR;
16038 TimeControlTagValue ()
16041 if (!appData.clockMode) {
16042 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16043 } else if (movesPerSession > 0) {
16044 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16045 } else if (timeIncrement == 0) {
16046 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16048 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16050 return StrSave(buf);
16056 /* This routine is used only for certain modes */
16057 VariantClass v = gameInfo.variant;
16058 ChessMove r = GameUnfinished;
16061 if(keepInfo) return;
16063 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16064 r = gameInfo.result;
16065 p = gameInfo.resultDetails;
16066 gameInfo.resultDetails = NULL;
16068 ClearGameInfo(&gameInfo);
16069 gameInfo.variant = v;
16071 switch (gameMode) {
16072 case MachinePlaysWhite:
16073 gameInfo.event = StrSave( appData.pgnEventHeader );
16074 gameInfo.site = StrSave(HostName());
16075 gameInfo.date = PGNDate();
16076 gameInfo.round = StrSave("-");
16077 gameInfo.white = StrSave(first.tidy);
16078 gameInfo.black = StrSave(UserName());
16079 gameInfo.timeControl = TimeControlTagValue();
16082 case MachinePlaysBlack:
16083 gameInfo.event = StrSave( appData.pgnEventHeader );
16084 gameInfo.site = StrSave(HostName());
16085 gameInfo.date = PGNDate();
16086 gameInfo.round = StrSave("-");
16087 gameInfo.white = StrSave(UserName());
16088 gameInfo.black = StrSave(first.tidy);
16089 gameInfo.timeControl = TimeControlTagValue();
16092 case TwoMachinesPlay:
16093 gameInfo.event = StrSave( appData.pgnEventHeader );
16094 gameInfo.site = StrSave(HostName());
16095 gameInfo.date = PGNDate();
16098 snprintf(buf, MSG_SIZ, "%d", roundNr);
16099 gameInfo.round = StrSave(buf);
16101 gameInfo.round = StrSave("-");
16103 if (first.twoMachinesColor[0] == 'w') {
16104 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16105 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16107 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16108 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16110 gameInfo.timeControl = TimeControlTagValue();
16114 gameInfo.event = StrSave("Edited game");
16115 gameInfo.site = StrSave(HostName());
16116 gameInfo.date = PGNDate();
16117 gameInfo.round = StrSave("-");
16118 gameInfo.white = StrSave("-");
16119 gameInfo.black = StrSave("-");
16120 gameInfo.result = r;
16121 gameInfo.resultDetails = p;
16125 gameInfo.event = StrSave("Edited position");
16126 gameInfo.site = StrSave(HostName());
16127 gameInfo.date = PGNDate();
16128 gameInfo.round = StrSave("-");
16129 gameInfo.white = StrSave("-");
16130 gameInfo.black = StrSave("-");
16133 case IcsPlayingWhite:
16134 case IcsPlayingBlack:
16139 case PlayFromGameFile:
16140 gameInfo.event = StrSave("Game from non-PGN file");
16141 gameInfo.site = StrSave(HostName());
16142 gameInfo.date = PGNDate();
16143 gameInfo.round = StrSave("-");
16144 gameInfo.white = StrSave("?");
16145 gameInfo.black = StrSave("?");
16154 ReplaceComment (int index, char *text)
16160 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16161 pvInfoList[index-1].depth == len &&
16162 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16163 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16164 while (*text == '\n') text++;
16165 len = strlen(text);
16166 while (len > 0 && text[len - 1] == '\n') len--;
16168 if (commentList[index] != NULL)
16169 free(commentList[index]);
16172 commentList[index] = NULL;
16175 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16176 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16177 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16178 commentList[index] = (char *) malloc(len + 2);
16179 strncpy(commentList[index], text, len);
16180 commentList[index][len] = '\n';
16181 commentList[index][len + 1] = NULLCHAR;
16183 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16185 commentList[index] = (char *) malloc(len + 7);
16186 safeStrCpy(commentList[index], "{\n", 3);
16187 safeStrCpy(commentList[index]+2, text, len+1);
16188 commentList[index][len+2] = NULLCHAR;
16189 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16190 strcat(commentList[index], "\n}\n");
16195 CrushCRs (char *text)
16203 if (ch == '\r') continue;
16205 } while (ch != '\0');
16209 AppendComment (int index, char *text, Boolean addBraces)
16210 /* addBraces tells if we should add {} */
16215 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16216 if(addBraces == 3) addBraces = 0; else // force appending literally
16217 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16220 while (*text == '\n') text++;
16221 len = strlen(text);
16222 while (len > 0 && text[len - 1] == '\n') len--;
16223 text[len] = NULLCHAR;
16225 if (len == 0) return;
16227 if (commentList[index] != NULL) {
16228 Boolean addClosingBrace = addBraces;
16229 old = commentList[index];
16230 oldlen = strlen(old);
16231 while(commentList[index][oldlen-1] == '\n')
16232 commentList[index][--oldlen] = NULLCHAR;
16233 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16234 safeStrCpy(commentList[index], old, oldlen + len + 6);
16236 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16237 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16238 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16239 while (*text == '\n') { text++; len--; }
16240 commentList[index][--oldlen] = NULLCHAR;
16242 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16243 else strcat(commentList[index], "\n");
16244 strcat(commentList[index], text);
16245 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16246 else strcat(commentList[index], "\n");
16248 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16250 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16251 else commentList[index][0] = NULLCHAR;
16252 strcat(commentList[index], text);
16253 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16254 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16259 FindStr (char * text, char * sub_text)
16261 char * result = strstr( text, sub_text );
16263 if( result != NULL ) {
16264 result += strlen( sub_text );
16270 /* [AS] Try to extract PV info from PGN comment */
16271 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16273 GetInfoFromComment (int index, char * text)
16275 char * sep = text, *p;
16277 if( text != NULL && index > 0 ) {
16280 int time = -1, sec = 0, deci;
16281 char * s_eval = FindStr( text, "[%eval " );
16282 char * s_emt = FindStr( text, "[%emt " );
16284 if( s_eval != NULL || s_emt != NULL ) {
16286 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16291 if( s_eval != NULL ) {
16292 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16296 if( delim != ']' ) {
16301 if( s_emt != NULL ) {
16306 /* We expect something like: [+|-]nnn.nn/dd */
16309 if(*text != '{') return text; // [HGM] braces: must be normal comment
16311 sep = strchr( text, '/' );
16312 if( sep == NULL || sep < (text+4) ) {
16317 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16318 if(p[1] == '(') { // comment starts with PV
16319 p = strchr(p, ')'); // locate end of PV
16320 if(p == NULL || sep < p+5) return text;
16321 // at this point we have something like "{(.*) +0.23/6 ..."
16322 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16323 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16324 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16326 time = -1; sec = -1; deci = -1;
16327 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16328 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16329 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16330 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16334 if( score_lo < 0 || score_lo >= 100 ) {
16338 if(sec >= 0) time = 600*time + 10*sec; else
16339 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16341 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16343 /* [HGM] PV time: now locate end of PV info */
16344 while( *++sep >= '0' && *sep <= '9'); // strip depth
16346 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16348 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16350 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16351 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16362 pvInfoList[index-1].depth = depth;
16363 pvInfoList[index-1].score = score;
16364 pvInfoList[index-1].time = 10*time; // centi-sec
16365 if(*sep == '}') *sep = 0; else *--sep = '{';
16366 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16372 SendToProgram (char *message, ChessProgramState *cps)
16374 int count, outCount, error;
16377 if (cps->pr == NoProc) return;
16380 if (appData.debugMode) {
16383 fprintf(debugFP, "%ld >%-6s: %s",
16384 SubtractTimeMarks(&now, &programStartTime),
16385 cps->which, message);
16387 fprintf(serverFP, "%ld >%-6s: %s",
16388 SubtractTimeMarks(&now, &programStartTime),
16389 cps->which, message), fflush(serverFP);
16392 count = strlen(message);
16393 outCount = OutputToProcess(cps->pr, message, count, &error);
16394 if (outCount < count && !exiting
16395 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16396 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16397 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16398 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16399 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16400 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16401 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16402 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16404 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16405 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16406 gameInfo.result = res;
16408 gameInfo.resultDetails = StrSave(buf);
16410 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16411 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16416 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16420 ChessProgramState *cps = (ChessProgramState *)closure;
16422 if (isr != cps->isr) return; /* Killed intentionally */
16425 RemoveInputSource(cps->isr);
16426 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16427 _(cps->which), cps->program);
16428 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16429 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16430 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16431 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16432 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16433 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16435 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16436 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16437 gameInfo.result = res;
16439 gameInfo.resultDetails = StrSave(buf);
16441 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16442 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16444 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16445 _(cps->which), cps->program);
16446 RemoveInputSource(cps->isr);
16448 /* [AS] Program is misbehaving badly... kill it */
16449 if( count == -2 ) {
16450 DestroyChildProcess( cps->pr, 9 );
16454 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16459 if ((end_str = strchr(message, '\r')) != NULL)
16460 *end_str = NULLCHAR;
16461 if ((end_str = strchr(message, '\n')) != NULL)
16462 *end_str = NULLCHAR;
16464 if (appData.debugMode) {
16465 TimeMark now; int print = 1;
16466 char *quote = ""; char c; int i;
16468 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16469 char start = message[0];
16470 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16471 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16472 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16473 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16474 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16475 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16476 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16477 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16478 sscanf(message, "hint: %c", &c)!=1 &&
16479 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16480 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16481 print = (appData.engineComments >= 2);
16483 message[0] = start; // restore original message
16487 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16488 SubtractTimeMarks(&now, &programStartTime), cps->which,
16492 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16493 SubtractTimeMarks(&now, &programStartTime), cps->which,
16495 message), fflush(serverFP);
16499 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16500 if (appData.icsEngineAnalyze) {
16501 if (strstr(message, "whisper") != NULL ||
16502 strstr(message, "kibitz") != NULL ||
16503 strstr(message, "tellics") != NULL) return;
16506 HandleMachineMove(message, cps);
16511 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16516 if( timeControl_2 > 0 ) {
16517 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16518 tc = timeControl_2;
16521 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16522 inc /= cps->timeOdds;
16523 st /= cps->timeOdds;
16525 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16528 /* Set exact time per move, normally using st command */
16529 if (cps->stKludge) {
16530 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16532 if (seconds == 0) {
16533 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16535 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16538 snprintf(buf, MSG_SIZ, "st %d\n", st);
16541 /* Set conventional or incremental time control, using level command */
16542 if (seconds == 0) {
16543 /* Note old gnuchess bug -- minutes:seconds used to not work.
16544 Fixed in later versions, but still avoid :seconds
16545 when seconds is 0. */
16546 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16548 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16549 seconds, inc/1000.);
16552 SendToProgram(buf, cps);
16554 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16555 /* Orthogonally, limit search to given depth */
16557 if (cps->sdKludge) {
16558 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16560 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16562 SendToProgram(buf, cps);
16565 if(cps->nps >= 0) { /* [HGM] nps */
16566 if(cps->supportsNPS == FALSE)
16567 cps->nps = -1; // don't use if engine explicitly says not supported!
16569 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16570 SendToProgram(buf, cps);
16575 ChessProgramState *
16577 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16579 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16580 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16586 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16588 char message[MSG_SIZ];
16591 /* Note: this routine must be called when the clocks are stopped
16592 or when they have *just* been set or switched; otherwise
16593 it will be off by the time since the current tick started.
16595 if (machineWhite) {
16596 time = whiteTimeRemaining / 10;
16597 otime = blackTimeRemaining / 10;
16599 time = blackTimeRemaining / 10;
16600 otime = whiteTimeRemaining / 10;
16602 /* [HGM] translate opponent's time by time-odds factor */
16603 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16605 if (time <= 0) time = 1;
16606 if (otime <= 0) otime = 1;
16608 snprintf(message, MSG_SIZ, "time %ld\n", time);
16609 SendToProgram(message, cps);
16611 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16612 SendToProgram(message, cps);
16616 EngineDefinedVariant (ChessProgramState *cps, int n)
16617 { // return name of n-th unknown variant that engine supports
16618 static char buf[MSG_SIZ];
16619 char *p, *s = cps->variants;
16620 if(!s) return NULL;
16621 do { // parse string from variants feature
16623 p = strchr(s, ',');
16624 if(p) *p = NULLCHAR;
16625 v = StringToVariant(s);
16626 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16627 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16628 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16629 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16630 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16631 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16632 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16635 if(n < 0) return buf;
16641 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16644 int len = strlen(name);
16647 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16649 sscanf(*p, "%d", &val);
16651 while (**p && **p != ' ')
16653 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16654 SendToProgram(buf, cps);
16661 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16664 int len = strlen(name);
16665 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16667 sscanf(*p, "%d", loc);
16668 while (**p && **p != ' ') (*p)++;
16669 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16670 SendToProgram(buf, cps);
16677 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16680 int len = strlen(name);
16681 if (strncmp((*p), name, len) == 0
16682 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16684 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16685 sscanf(*p, "%[^\"]", *loc);
16686 while (**p && **p != '\"') (*p)++;
16687 if (**p == '\"') (*p)++;
16688 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16689 SendToProgram(buf, cps);
16696 ParseOption (Option *opt, ChessProgramState *cps)
16697 // [HGM] options: process the string that defines an engine option, and determine
16698 // name, type, default value, and allowed value range
16700 char *p, *q, buf[MSG_SIZ];
16701 int n, min = (-1)<<31, max = 1<<31, def;
16703 if(p = strstr(opt->name, " -spin ")) {
16704 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16705 if(max < min) max = min; // enforce consistency
16706 if(def < min) def = min;
16707 if(def > max) def = max;
16712 } else if((p = strstr(opt->name, " -slider "))) {
16713 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16714 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16715 if(max < min) max = min; // enforce consistency
16716 if(def < min) def = min;
16717 if(def > max) def = max;
16721 opt->type = Spin; // Slider;
16722 } else if((p = strstr(opt->name, " -string "))) {
16723 opt->textValue = p+9;
16724 opt->type = TextBox;
16725 } else if((p = strstr(opt->name, " -file "))) {
16726 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16727 opt->textValue = p+7;
16728 opt->type = FileName; // FileName;
16729 } else if((p = strstr(opt->name, " -path "))) {
16730 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16731 opt->textValue = p+7;
16732 opt->type = PathName; // PathName;
16733 } else if(p = strstr(opt->name, " -check ")) {
16734 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16735 opt->value = (def != 0);
16736 opt->type = CheckBox;
16737 } else if(p = strstr(opt->name, " -combo ")) {
16738 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16739 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16740 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16741 opt->value = n = 0;
16742 while(q = StrStr(q, " /// ")) {
16743 n++; *q = 0; // count choices, and null-terminate each of them
16745 if(*q == '*') { // remember default, which is marked with * prefix
16749 cps->comboList[cps->comboCnt++] = q;
16751 cps->comboList[cps->comboCnt++] = NULL;
16753 opt->type = ComboBox;
16754 } else if(p = strstr(opt->name, " -button")) {
16755 opt->type = Button;
16756 } else if(p = strstr(opt->name, " -save")) {
16757 opt->type = SaveButton;
16758 } else return FALSE;
16759 *p = 0; // terminate option name
16760 // now look if the command-line options define a setting for this engine option.
16761 if(cps->optionSettings && cps->optionSettings[0])
16762 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16763 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16764 snprintf(buf, MSG_SIZ, "option %s", p);
16765 if(p = strstr(buf, ",")) *p = 0;
16766 if(q = strchr(buf, '=')) switch(opt->type) {
16768 for(n=0; n<opt->max; n++)
16769 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16772 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16776 opt->value = atoi(q+1);
16781 SendToProgram(buf, cps);
16787 FeatureDone (ChessProgramState *cps, int val)
16789 DelayedEventCallback cb = GetDelayedEvent();
16790 if ((cb == InitBackEnd3 && cps == &first) ||
16791 (cb == SettingsMenuIfReady && cps == &second) ||
16792 (cb == LoadEngine) ||
16793 (cb == TwoMachinesEventIfReady)) {
16794 CancelDelayedEvent();
16795 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16797 cps->initDone = val;
16798 if(val) cps->reload = FALSE;
16801 /* Parse feature command from engine */
16803 ParseFeatures (char *args, ChessProgramState *cps)
16811 while (*p == ' ') p++;
16812 if (*p == NULLCHAR) return;
16814 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16815 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16816 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16817 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16818 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16819 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16820 if (BoolFeature(&p, "reuse", &val, cps)) {
16821 /* Engine can disable reuse, but can't enable it if user said no */
16822 if (!val) cps->reuse = FALSE;
16825 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16826 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16827 if (gameMode == TwoMachinesPlay) {
16828 DisplayTwoMachinesTitle();
16834 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16835 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16836 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16837 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16838 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16839 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16840 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16841 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16842 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16843 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16844 if (IntFeature(&p, "done", &val, cps)) {
16845 FeatureDone(cps, val);
16848 /* Added by Tord: */
16849 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16850 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16851 /* End of additions by Tord */
16853 /* [HGM] added features: */
16854 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16855 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16856 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16857 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16858 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16859 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16860 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16861 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16862 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16863 FREE(cps->option[cps->nrOptions].name);
16864 cps->option[cps->nrOptions].name = q; q = NULL;
16865 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16866 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16867 SendToProgram(buf, cps);
16870 if(cps->nrOptions >= MAX_OPTIONS) {
16872 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16873 DisplayError(buf, 0);
16877 /* End of additions by HGM */
16879 /* unknown feature: complain and skip */
16881 while (*q && *q != '=') q++;
16882 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16883 SendToProgram(buf, cps);
16889 while (*p && *p != '\"') p++;
16890 if (*p == '\"') p++;
16892 while (*p && *p != ' ') p++;
16900 PeriodicUpdatesEvent (int newState)
16902 if (newState == appData.periodicUpdates)
16905 appData.periodicUpdates=newState;
16907 /* Display type changes, so update it now */
16908 // DisplayAnalysis();
16910 /* Get the ball rolling again... */
16912 AnalysisPeriodicEvent(1);
16913 StartAnalysisClock();
16918 PonderNextMoveEvent (int newState)
16920 if (newState == appData.ponderNextMove) return;
16921 if (gameMode == EditPosition) EditPositionDone(TRUE);
16923 SendToProgram("hard\n", &first);
16924 if (gameMode == TwoMachinesPlay) {
16925 SendToProgram("hard\n", &second);
16928 SendToProgram("easy\n", &first);
16929 thinkOutput[0] = NULLCHAR;
16930 if (gameMode == TwoMachinesPlay) {
16931 SendToProgram("easy\n", &second);
16934 appData.ponderNextMove = newState;
16938 NewSettingEvent (int option, int *feature, char *command, int value)
16942 if (gameMode == EditPosition) EditPositionDone(TRUE);
16943 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16944 if(feature == NULL || *feature) SendToProgram(buf, &first);
16945 if (gameMode == TwoMachinesPlay) {
16946 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16951 ShowThinkingEvent ()
16952 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16954 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16955 int newState = appData.showThinking
16956 // [HGM] thinking: other features now need thinking output as well
16957 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16959 if (oldState == newState) return;
16960 oldState = newState;
16961 if (gameMode == EditPosition) EditPositionDone(TRUE);
16963 SendToProgram("post\n", &first);
16964 if (gameMode == TwoMachinesPlay) {
16965 SendToProgram("post\n", &second);
16968 SendToProgram("nopost\n", &first);
16969 thinkOutput[0] = NULLCHAR;
16970 if (gameMode == TwoMachinesPlay) {
16971 SendToProgram("nopost\n", &second);
16974 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16978 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16980 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16981 if (pr == NoProc) return;
16982 AskQuestion(title, question, replyPrefix, pr);
16986 TypeInEvent (char firstChar)
16988 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16989 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16990 gameMode == AnalyzeMode || gameMode == EditGame ||
16991 gameMode == EditPosition || gameMode == IcsExamining ||
16992 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16993 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16994 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16995 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16996 gameMode == Training) PopUpMoveDialog(firstChar);
17000 TypeInDoneEvent (char *move)
17003 int n, fromX, fromY, toX, toY;
17005 ChessMove moveType;
17008 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17009 EditPositionPasteFEN(move);
17012 // [HGM] movenum: allow move number to be typed in any mode
17013 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17017 // undocumented kludge: allow command-line option to be typed in!
17018 // (potentially fatal, and does not implement the effect of the option.)
17019 // should only be used for options that are values on which future decisions will be made,
17020 // and definitely not on options that would be used during initialization.
17021 if(strstr(move, "!!! -") == move) {
17022 ParseArgsFromString(move+4);
17026 if (gameMode != EditGame && currentMove != forwardMostMove &&
17027 gameMode != Training) {
17028 DisplayMoveError(_("Displayed move is not current"));
17030 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17031 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17032 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17033 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17034 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17035 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17037 DisplayMoveError(_("Could not parse move"));
17043 DisplayMove (int moveNumber)
17045 char message[MSG_SIZ];
17047 char cpThinkOutput[MSG_SIZ];
17049 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17051 if (moveNumber == forwardMostMove - 1 ||
17052 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17054 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17056 if (strchr(cpThinkOutput, '\n')) {
17057 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17060 *cpThinkOutput = NULLCHAR;
17063 /* [AS] Hide thinking from human user */
17064 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17065 *cpThinkOutput = NULLCHAR;
17066 if( thinkOutput[0] != NULLCHAR ) {
17069 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17070 cpThinkOutput[i] = '.';
17072 cpThinkOutput[i] = NULLCHAR;
17073 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17077 if (moveNumber == forwardMostMove - 1 &&
17078 gameInfo.resultDetails != NULL) {
17079 if (gameInfo.resultDetails[0] == NULLCHAR) {
17080 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17082 snprintf(res, MSG_SIZ, " {%s} %s",
17083 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17089 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17090 DisplayMessage(res, cpThinkOutput);
17092 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17093 WhiteOnMove(moveNumber) ? " " : ".. ",
17094 parseList[moveNumber], res);
17095 DisplayMessage(message, cpThinkOutput);
17100 DisplayComment (int moveNumber, char *text)
17102 char title[MSG_SIZ];
17104 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17105 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17107 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17108 WhiteOnMove(moveNumber) ? " " : ".. ",
17109 parseList[moveNumber]);
17111 if (text != NULL && (appData.autoDisplayComment || commentUp))
17112 CommentPopUp(title, text);
17115 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17116 * might be busy thinking or pondering. It can be omitted if your
17117 * gnuchess is configured to stop thinking immediately on any user
17118 * input. However, that gnuchess feature depends on the FIONREAD
17119 * ioctl, which does not work properly on some flavors of Unix.
17122 Attention (ChessProgramState *cps)
17125 if (!cps->useSigint) return;
17126 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17127 switch (gameMode) {
17128 case MachinePlaysWhite:
17129 case MachinePlaysBlack:
17130 case TwoMachinesPlay:
17131 case IcsPlayingWhite:
17132 case IcsPlayingBlack:
17135 /* Skip if we know it isn't thinking */
17136 if (!cps->maybeThinking) return;
17137 if (appData.debugMode)
17138 fprintf(debugFP, "Interrupting %s\n", cps->which);
17139 InterruptChildProcess(cps->pr);
17140 cps->maybeThinking = FALSE;
17145 #endif /*ATTENTION*/
17151 if (whiteTimeRemaining <= 0) {
17154 if (appData.icsActive) {
17155 if (appData.autoCallFlag &&
17156 gameMode == IcsPlayingBlack && !blackFlag) {
17157 SendToICS(ics_prefix);
17158 SendToICS("flag\n");
17162 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17164 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17165 if (appData.autoCallFlag) {
17166 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17173 if (blackTimeRemaining <= 0) {
17176 if (appData.icsActive) {
17177 if (appData.autoCallFlag &&
17178 gameMode == IcsPlayingWhite && !whiteFlag) {
17179 SendToICS(ics_prefix);
17180 SendToICS("flag\n");
17184 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17186 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17187 if (appData.autoCallFlag) {
17188 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17199 CheckTimeControl ()
17201 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17202 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17205 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17207 if ( !WhiteOnMove(forwardMostMove) ) {
17208 /* White made time control */
17209 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17210 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17211 /* [HGM] time odds: correct new time quota for time odds! */
17212 / WhitePlayer()->timeOdds;
17213 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17215 lastBlack -= blackTimeRemaining;
17216 /* Black made time control */
17217 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17218 / WhitePlayer()->other->timeOdds;
17219 lastWhite = whiteTimeRemaining;
17224 DisplayBothClocks ()
17226 int wom = gameMode == EditPosition ?
17227 !blackPlaysFirst : WhiteOnMove(currentMove);
17228 DisplayWhiteClock(whiteTimeRemaining, wom);
17229 DisplayBlackClock(blackTimeRemaining, !wom);
17233 /* Timekeeping seems to be a portability nightmare. I think everyone
17234 has ftime(), but I'm really not sure, so I'm including some ifdefs
17235 to use other calls if you don't. Clocks will be less accurate if
17236 you have neither ftime nor gettimeofday.
17239 /* VS 2008 requires the #include outside of the function */
17240 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17241 #include <sys/timeb.h>
17244 /* Get the current time as a TimeMark */
17246 GetTimeMark (TimeMark *tm)
17248 #if HAVE_GETTIMEOFDAY
17250 struct timeval timeVal;
17251 struct timezone timeZone;
17253 gettimeofday(&timeVal, &timeZone);
17254 tm->sec = (long) timeVal.tv_sec;
17255 tm->ms = (int) (timeVal.tv_usec / 1000L);
17257 #else /*!HAVE_GETTIMEOFDAY*/
17260 // include <sys/timeb.h> / moved to just above start of function
17261 struct timeb timeB;
17264 tm->sec = (long) timeB.time;
17265 tm->ms = (int) timeB.millitm;
17267 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17268 tm->sec = (long) time(NULL);
17274 /* Return the difference in milliseconds between two
17275 time marks. We assume the difference will fit in a long!
17278 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17280 return 1000L*(tm2->sec - tm1->sec) +
17281 (long) (tm2->ms - tm1->ms);
17286 * Code to manage the game clocks.
17288 * In tournament play, black starts the clock and then white makes a move.
17289 * We give the human user a slight advantage if he is playing white---the
17290 * clocks don't run until he makes his first move, so it takes zero time.
17291 * Also, we don't account for network lag, so we could get out of sync
17292 * with GNU Chess's clock -- but then, referees are always right.
17295 static TimeMark tickStartTM;
17296 static long intendedTickLength;
17299 NextTickLength (long timeRemaining)
17301 long nominalTickLength, nextTickLength;
17303 if (timeRemaining > 0L && timeRemaining <= 10000L)
17304 nominalTickLength = 100L;
17306 nominalTickLength = 1000L;
17307 nextTickLength = timeRemaining % nominalTickLength;
17308 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17310 return nextTickLength;
17313 /* Adjust clock one minute up or down */
17315 AdjustClock (Boolean which, int dir)
17317 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17318 if(which) blackTimeRemaining += 60000*dir;
17319 else whiteTimeRemaining += 60000*dir;
17320 DisplayBothClocks();
17321 adjustedClock = TRUE;
17324 /* Stop clocks and reset to a fresh time control */
17328 (void) StopClockTimer();
17329 if (appData.icsActive) {
17330 whiteTimeRemaining = blackTimeRemaining = 0;
17331 } else if (searchTime) {
17332 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17333 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17334 } else { /* [HGM] correct new time quote for time odds */
17335 whiteTC = blackTC = fullTimeControlString;
17336 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17337 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17339 if (whiteFlag || blackFlag) {
17341 whiteFlag = blackFlag = FALSE;
17343 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17344 DisplayBothClocks();
17345 adjustedClock = FALSE;
17348 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17350 /* Decrement running clock by amount of time that has passed */
17354 long timeRemaining;
17355 long lastTickLength, fudge;
17358 if (!appData.clockMode) return;
17359 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17363 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17365 /* Fudge if we woke up a little too soon */
17366 fudge = intendedTickLength - lastTickLength;
17367 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17369 if (WhiteOnMove(forwardMostMove)) {
17370 if(whiteNPS >= 0) lastTickLength = 0;
17371 timeRemaining = whiteTimeRemaining -= lastTickLength;
17372 if(timeRemaining < 0 && !appData.icsActive) {
17373 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17374 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17375 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17376 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17379 DisplayWhiteClock(whiteTimeRemaining - fudge,
17380 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17382 if(blackNPS >= 0) lastTickLength = 0;
17383 timeRemaining = blackTimeRemaining -= lastTickLength;
17384 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17385 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17387 blackStartMove = forwardMostMove;
17388 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17391 DisplayBlackClock(blackTimeRemaining - fudge,
17392 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17394 if (CheckFlags()) return;
17396 if(twoBoards) { // count down secondary board's clocks as well
17397 activePartnerTime -= lastTickLength;
17399 if(activePartner == 'W')
17400 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17402 DisplayBlackClock(activePartnerTime, TRUE);
17407 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17408 StartClockTimer(intendedTickLength);
17410 /* if the time remaining has fallen below the alarm threshold, sound the
17411 * alarm. if the alarm has sounded and (due to a takeback or time control
17412 * with increment) the time remaining has increased to a level above the
17413 * threshold, reset the alarm so it can sound again.
17416 if (appData.icsActive && appData.icsAlarm) {
17418 /* make sure we are dealing with the user's clock */
17419 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17420 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17423 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17424 alarmSounded = FALSE;
17425 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17427 alarmSounded = TRUE;
17433 /* A player has just moved, so stop the previously running
17434 clock and (if in clock mode) start the other one.
17435 We redisplay both clocks in case we're in ICS mode, because
17436 ICS gives us an update to both clocks after every move.
17437 Note that this routine is called *after* forwardMostMove
17438 is updated, so the last fractional tick must be subtracted
17439 from the color that is *not* on move now.
17442 SwitchClocks (int newMoveNr)
17444 long lastTickLength;
17446 int flagged = FALSE;
17450 if (StopClockTimer() && appData.clockMode) {
17451 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17452 if (!WhiteOnMove(forwardMostMove)) {
17453 if(blackNPS >= 0) lastTickLength = 0;
17454 blackTimeRemaining -= lastTickLength;
17455 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17456 // if(pvInfoList[forwardMostMove].time == -1)
17457 pvInfoList[forwardMostMove].time = // use GUI time
17458 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17460 if(whiteNPS >= 0) lastTickLength = 0;
17461 whiteTimeRemaining -= lastTickLength;
17462 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17463 // if(pvInfoList[forwardMostMove].time == -1)
17464 pvInfoList[forwardMostMove].time =
17465 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17467 flagged = CheckFlags();
17469 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17470 CheckTimeControl();
17472 if (flagged || !appData.clockMode) return;
17474 switch (gameMode) {
17475 case MachinePlaysBlack:
17476 case MachinePlaysWhite:
17477 case BeginningOfGame:
17478 if (pausing) return;
17482 case PlayFromGameFile:
17490 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17491 if(WhiteOnMove(forwardMostMove))
17492 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17493 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17497 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17498 whiteTimeRemaining : blackTimeRemaining);
17499 StartClockTimer(intendedTickLength);
17503 /* Stop both clocks */
17507 long lastTickLength;
17510 if (!StopClockTimer()) return;
17511 if (!appData.clockMode) return;
17515 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17516 if (WhiteOnMove(forwardMostMove)) {
17517 if(whiteNPS >= 0) lastTickLength = 0;
17518 whiteTimeRemaining -= lastTickLength;
17519 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17521 if(blackNPS >= 0) lastTickLength = 0;
17522 blackTimeRemaining -= lastTickLength;
17523 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17528 /* Start clock of player on move. Time may have been reset, so
17529 if clock is already running, stop and restart it. */
17533 (void) StopClockTimer(); /* in case it was running already */
17534 DisplayBothClocks();
17535 if (CheckFlags()) return;
17537 if (!appData.clockMode) return;
17538 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17540 GetTimeMark(&tickStartTM);
17541 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17542 whiteTimeRemaining : blackTimeRemaining);
17544 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17545 whiteNPS = blackNPS = -1;
17546 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17547 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17548 whiteNPS = first.nps;
17549 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17550 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17551 blackNPS = first.nps;
17552 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17553 whiteNPS = second.nps;
17554 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17555 blackNPS = second.nps;
17556 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17558 StartClockTimer(intendedTickLength);
17562 TimeString (long ms)
17564 long second, minute, hour, day;
17566 static char buf[32];
17568 if (ms > 0 && ms <= 9900) {
17569 /* convert milliseconds to tenths, rounding up */
17570 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17572 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17576 /* convert milliseconds to seconds, rounding up */
17577 /* use floating point to avoid strangeness of integer division
17578 with negative dividends on many machines */
17579 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17586 day = second / (60 * 60 * 24);
17587 second = second % (60 * 60 * 24);
17588 hour = second / (60 * 60);
17589 second = second % (60 * 60);
17590 minute = second / 60;
17591 second = second % 60;
17594 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17595 sign, day, hour, minute, second);
17597 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17599 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17606 * This is necessary because some C libraries aren't ANSI C compliant yet.
17609 StrStr (char *string, char *match)
17613 length = strlen(match);
17615 for (i = strlen(string) - length; i >= 0; i--, string++)
17616 if (!strncmp(match, string, length))
17623 StrCaseStr (char *string, char *match)
17627 length = strlen(match);
17629 for (i = strlen(string) - length; i >= 0; i--, string++) {
17630 for (j = 0; j < length; j++) {
17631 if (ToLower(match[j]) != ToLower(string[j]))
17634 if (j == length) return string;
17642 StrCaseCmp (char *s1, char *s2)
17647 c1 = ToLower(*s1++);
17648 c2 = ToLower(*s2++);
17649 if (c1 > c2) return 1;
17650 if (c1 < c2) return -1;
17651 if (c1 == NULLCHAR) return 0;
17659 return isupper(c) ? tolower(c) : c;
17666 return islower(c) ? toupper(c) : c;
17668 #endif /* !_amigados */
17675 if ((ret = (char *) malloc(strlen(s) + 1)))
17677 safeStrCpy(ret, s, strlen(s)+1);
17683 StrSavePtr (char *s, char **savePtr)
17688 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17689 safeStrCpy(*savePtr, s, strlen(s)+1);
17701 clock = time((time_t *)NULL);
17702 tm = localtime(&clock);
17703 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17704 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17705 return StrSave(buf);
17710 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17712 int i, j, fromX, fromY, toX, toY;
17719 whiteToPlay = (gameMode == EditPosition) ?
17720 !blackPlaysFirst : (move % 2 == 0);
17723 /* Piece placement data */
17724 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17725 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17727 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17728 if (boards[move][i][j] == EmptySquare) {
17730 } else { ChessSquare piece = boards[move][i][j];
17731 if (emptycount > 0) {
17732 if(emptycount<10) /* [HGM] can be >= 10 */
17733 *p++ = '0' + emptycount;
17734 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17737 if(PieceToChar(piece) == '+') {
17738 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17740 piece = (ChessSquare)(CHUDEMOTED piece);
17742 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17744 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17745 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17750 if (emptycount > 0) {
17751 if(emptycount<10) /* [HGM] can be >= 10 */
17752 *p++ = '0' + emptycount;
17753 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17760 /* [HGM] print Crazyhouse or Shogi holdings */
17761 if( gameInfo.holdingsWidth ) {
17762 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17764 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17765 piece = boards[move][i][BOARD_WIDTH-1];
17766 if( piece != EmptySquare )
17767 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17768 *p++ = PieceToChar(piece);
17770 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17771 piece = boards[move][BOARD_HEIGHT-i-1][0];
17772 if( piece != EmptySquare )
17773 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17774 *p++ = PieceToChar(piece);
17777 if( q == p ) *p++ = '-';
17783 *p++ = whiteToPlay ? 'w' : 'b';
17786 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17787 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17789 if(nrCastlingRights) {
17791 if(appData.fischerCastling) {
17792 /* [HGM] write directly from rights */
17793 if(boards[move][CASTLING][2] != NoRights &&
17794 boards[move][CASTLING][0] != NoRights )
17795 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17796 if(boards[move][CASTLING][2] != NoRights &&
17797 boards[move][CASTLING][1] != NoRights )
17798 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17799 if(boards[move][CASTLING][5] != NoRights &&
17800 boards[move][CASTLING][3] != NoRights )
17801 *p++ = boards[move][CASTLING][3] + AAA;
17802 if(boards[move][CASTLING][5] != NoRights &&
17803 boards[move][CASTLING][4] != NoRights )
17804 *p++ = boards[move][CASTLING][4] + AAA;
17807 /* [HGM] write true castling rights */
17808 if( nrCastlingRights == 6 ) {
17810 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17811 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17812 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17813 boards[move][CASTLING][2] != NoRights );
17814 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17815 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17816 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17817 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17818 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17822 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17823 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17824 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17825 boards[move][CASTLING][5] != NoRights );
17826 if(gameInfo.variant == VariantSChess) {
17827 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17828 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17829 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17830 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17835 if (q == p) *p++ = '-'; /* No castling rights */
17839 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17840 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17841 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17842 /* En passant target square */
17843 if (move > backwardMostMove) {
17844 fromX = moveList[move - 1][0] - AAA;
17845 fromY = moveList[move - 1][1] - ONE;
17846 toX = moveList[move - 1][2] - AAA;
17847 toY = moveList[move - 1][3] - ONE;
17848 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17849 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17850 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17852 /* 2-square pawn move just happened */
17854 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17858 } else if(move == backwardMostMove) {
17859 // [HGM] perhaps we should always do it like this, and forget the above?
17860 if((signed char)boards[move][EP_STATUS] >= 0) {
17861 *p++ = boards[move][EP_STATUS] + AAA;
17862 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17874 { int i = 0, j=move;
17876 /* [HGM] find reversible plies */
17877 if (appData.debugMode) { int k;
17878 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17879 for(k=backwardMostMove; k<=forwardMostMove; k++)
17880 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17884 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17885 if( j == backwardMostMove ) i += initialRulePlies;
17886 sprintf(p, "%d ", i);
17887 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17889 /* Fullmove number */
17890 sprintf(p, "%d", (move / 2) + 1);
17891 } else *--p = NULLCHAR;
17893 return StrSave(buf);
17897 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17899 int i, j, k, w=0, subst=0, shuffle=0;
17901 int emptycount, virgin[BOARD_FILES];
17906 /* Piece placement data */
17907 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17910 if (*p == '/' || *p == ' ' || *p == '[' ) {
17912 emptycount = gameInfo.boardWidth - j;
17913 while (emptycount--)
17914 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17915 if (*p == '/') p++;
17916 else if(autoSize) { // we stumbled unexpectedly into end of board
17917 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17918 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17920 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17923 #if(BOARD_FILES >= 10)*0
17924 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17925 p++; emptycount=10;
17926 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17927 while (emptycount--)
17928 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17930 } else if (*p == '*') {
17931 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17932 } else if (isdigit(*p)) {
17933 emptycount = *p++ - '0';
17934 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17935 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17936 while (emptycount--)
17937 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17938 } else if (*p == '<') {
17939 if(i == BOARD_HEIGHT-1) shuffle = 1;
17940 else if (i != 0 || !shuffle) return FALSE;
17942 } else if (shuffle && *p == '>') {
17943 p++; // for now ignore closing shuffle range, and assume rank-end
17944 } else if (*p == '?') {
17945 if (j >= gameInfo.boardWidth) return FALSE;
17946 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17947 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17948 } else if (*p == '+' || isalpha(*p)) {
17949 if (j >= gameInfo.boardWidth) return FALSE;
17951 piece = CharToPiece(*++p);
17952 if(piece == EmptySquare) return FALSE; /* unknown piece */
17953 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17954 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17955 } else piece = CharToPiece(*p++);
17957 if(piece==EmptySquare) return FALSE; /* unknown piece */
17958 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17959 piece = (ChessSquare) (PROMOTED piece);
17960 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17963 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17969 while (*p == '/' || *p == ' ') p++;
17971 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17973 /* [HGM] by default clear Crazyhouse holdings, if present */
17974 if(gameInfo.holdingsWidth) {
17975 for(i=0; i<BOARD_HEIGHT; i++) {
17976 board[i][0] = EmptySquare; /* black holdings */
17977 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17978 board[i][1] = (ChessSquare) 0; /* black counts */
17979 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17983 /* [HGM] look for Crazyhouse holdings here */
17984 while(*p==' ') p++;
17985 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17986 int swap=0, wcnt=0, bcnt=0;
17988 if(*p == '<') swap++, p++;
17989 if(*p == '-' ) p++; /* empty holdings */ else {
17990 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17991 /* if we would allow FEN reading to set board size, we would */
17992 /* have to add holdings and shift the board read so far here */
17993 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17995 if((int) piece >= (int) BlackPawn ) {
17996 i = (int)piece - (int)BlackPawn;
17997 i = PieceToNumber((ChessSquare)i);
17998 if( i >= gameInfo.holdingsSize ) return FALSE;
17999 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18000 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18003 i = (int)piece - (int)WhitePawn;
18004 i = PieceToNumber((ChessSquare)i);
18005 if( i >= gameInfo.holdingsSize ) return FALSE;
18006 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18007 board[i][BOARD_WIDTH-2]++; /* black holdings */
18011 if(subst) { // substitute back-rank question marks by holdings pieces
18012 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18013 int k, m, n = bcnt + 1;
18014 if(board[0][j] == ClearBoard) {
18015 if(!wcnt) return FALSE;
18017 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18018 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18019 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18023 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18024 if(!bcnt) return FALSE;
18025 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18026 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18027 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18028 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18039 if(subst) return FALSE; // substitution requested, but no holdings
18041 while(*p == ' ') p++;
18045 if(appData.colorNickNames) {
18046 if( c == appData.colorNickNames[0] ) c = 'w'; else
18047 if( c == appData.colorNickNames[1] ) c = 'b';
18051 *blackPlaysFirst = FALSE;
18054 *blackPlaysFirst = TRUE;
18060 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18061 /* return the extra info in global variiables */
18063 /* set defaults in case FEN is incomplete */
18064 board[EP_STATUS] = EP_UNKNOWN;
18065 for(i=0; i<nrCastlingRights; i++ ) {
18066 board[CASTLING][i] =
18067 appData.fischerCastling ? NoRights : initialRights[i];
18068 } /* assume possible unless obviously impossible */
18069 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18070 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18071 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18072 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18073 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18074 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18075 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18076 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18079 while(*p==' ') p++;
18080 if(nrCastlingRights) {
18082 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18083 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18084 /* castling indicator present, so default becomes no castlings */
18085 for(i=0; i<nrCastlingRights; i++ ) {
18086 board[CASTLING][i] = NoRights;
18089 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18090 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18091 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18092 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18093 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18095 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18096 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18097 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18099 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18100 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18101 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18102 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18103 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18104 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18107 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18108 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18109 board[CASTLING][2] = whiteKingFile;
18110 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18111 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18112 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18115 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18116 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18117 board[CASTLING][2] = whiteKingFile;
18118 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18119 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18120 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18123 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18124 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18125 board[CASTLING][5] = blackKingFile;
18126 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18127 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18128 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18131 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18132 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18133 board[CASTLING][5] = blackKingFile;
18134 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18135 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18136 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18139 default: /* FRC castlings */
18140 if(c >= 'a') { /* black rights */
18141 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18142 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18143 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18144 if(i == BOARD_RGHT) break;
18145 board[CASTLING][5] = i;
18147 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18148 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18150 board[CASTLING][3] = c;
18152 board[CASTLING][4] = c;
18153 } else { /* white rights */
18154 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18155 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18156 if(board[0][i] == WhiteKing) break;
18157 if(i == BOARD_RGHT) break;
18158 board[CASTLING][2] = i;
18159 c -= AAA - 'a' + 'A';
18160 if(board[0][c] >= WhiteKing) break;
18162 board[CASTLING][0] = c;
18164 board[CASTLING][1] = c;
18168 for(i=0; i<nrCastlingRights; i++)
18169 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18170 if(gameInfo.variant == VariantSChess)
18171 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18172 if(fischer && shuffle) appData.fischerCastling = TRUE;
18173 if (appData.debugMode) {
18174 fprintf(debugFP, "FEN castling rights:");
18175 for(i=0; i<nrCastlingRights; i++)
18176 fprintf(debugFP, " %d", board[CASTLING][i]);
18177 fprintf(debugFP, "\n");
18180 while(*p==' ') p++;
18183 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18185 /* read e.p. field in games that know e.p. capture */
18186 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18187 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18188 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18190 p++; board[EP_STATUS] = EP_NONE;
18192 char c = *p++ - AAA;
18194 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18195 if(*p >= '0' && *p <='9') p++;
18196 board[EP_STATUS] = c;
18201 if(sscanf(p, "%d", &i) == 1) {
18202 FENrulePlies = i; /* 50-move ply counter */
18203 /* (The move number is still ignored) */
18210 EditPositionPasteFEN (char *fen)
18213 Board initial_position;
18215 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18216 DisplayError(_("Bad FEN position in clipboard"), 0);
18219 int savedBlackPlaysFirst = blackPlaysFirst;
18220 EditPositionEvent();
18221 blackPlaysFirst = savedBlackPlaysFirst;
18222 CopyBoard(boards[0], initial_position);
18223 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18224 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18225 DisplayBothClocks();
18226 DrawPosition(FALSE, boards[currentMove]);
18231 static char cseq[12] = "\\ ";
18234 set_cont_sequence (char *new_seq)
18239 // handle bad attempts to set the sequence
18241 return 0; // acceptable error - no debug
18243 len = strlen(new_seq);
18244 ret = (len > 0) && (len < sizeof(cseq));
18246 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18247 else if (appData.debugMode)
18248 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18253 reformat a source message so words don't cross the width boundary. internal
18254 newlines are not removed. returns the wrapped size (no null character unless
18255 included in source message). If dest is NULL, only calculate the size required
18256 for the dest buffer. lp argument indicats line position upon entry, and it's
18257 passed back upon exit.
18260 wrap (char *dest, char *src, int count, int width, int *lp)
18262 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18264 cseq_len = strlen(cseq);
18265 old_line = line = *lp;
18266 ansi = len = clen = 0;
18268 for (i=0; i < count; i++)
18270 if (src[i] == '\033')
18273 // if we hit the width, back up
18274 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18276 // store i & len in case the word is too long
18277 old_i = i, old_len = len;
18279 // find the end of the last word
18280 while (i && src[i] != ' ' && src[i] != '\n')
18286 // word too long? restore i & len before splitting it
18287 if ((old_i-i+clen) >= width)
18294 if (i && src[i-1] == ' ')
18297 if (src[i] != ' ' && src[i] != '\n')
18304 // now append the newline and continuation sequence
18309 strncpy(dest+len, cseq, cseq_len);
18317 dest[len] = src[i];
18321 if (src[i] == '\n')
18326 if (dest && appData.debugMode)
18328 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18329 count, width, line, len, *lp);
18330 show_bytes(debugFP, src, count);
18331 fprintf(debugFP, "\ndest: ");
18332 show_bytes(debugFP, dest, len);
18333 fprintf(debugFP, "\n");
18335 *lp = dest ? line : old_line;
18340 // [HGM] vari: routines for shelving variations
18341 Boolean modeRestore = FALSE;
18344 PushInner (int firstMove, int lastMove)
18346 int i, j, nrMoves = lastMove - firstMove;
18348 // push current tail of game on stack
18349 savedResult[storedGames] = gameInfo.result;
18350 savedDetails[storedGames] = gameInfo.resultDetails;
18351 gameInfo.resultDetails = NULL;
18352 savedFirst[storedGames] = firstMove;
18353 savedLast [storedGames] = lastMove;
18354 savedFramePtr[storedGames] = framePtr;
18355 framePtr -= nrMoves; // reserve space for the boards
18356 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18357 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18358 for(j=0; j<MOVE_LEN; j++)
18359 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18360 for(j=0; j<2*MOVE_LEN; j++)
18361 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18362 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18363 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18364 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18365 pvInfoList[firstMove+i-1].depth = 0;
18366 commentList[framePtr+i] = commentList[firstMove+i];
18367 commentList[firstMove+i] = NULL;
18371 forwardMostMove = firstMove; // truncate game so we can start variation
18375 PushTail (int firstMove, int lastMove)
18377 if(appData.icsActive) { // only in local mode
18378 forwardMostMove = currentMove; // mimic old ICS behavior
18381 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18383 PushInner(firstMove, lastMove);
18384 if(storedGames == 1) GreyRevert(FALSE);
18385 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18389 PopInner (Boolean annotate)
18392 char buf[8000], moveBuf[20];
18394 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18395 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18396 nrMoves = savedLast[storedGames] - currentMove;
18399 if(!WhiteOnMove(currentMove))
18400 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18401 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18402 for(i=currentMove; i<forwardMostMove; i++) {
18404 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18405 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18406 strcat(buf, moveBuf);
18407 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18408 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18412 for(i=1; i<=nrMoves; i++) { // copy last variation back
18413 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18414 for(j=0; j<MOVE_LEN; j++)
18415 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18416 for(j=0; j<2*MOVE_LEN; j++)
18417 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18418 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18419 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18420 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18421 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18422 commentList[currentMove+i] = commentList[framePtr+i];
18423 commentList[framePtr+i] = NULL;
18425 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18426 framePtr = savedFramePtr[storedGames];
18427 gameInfo.result = savedResult[storedGames];
18428 if(gameInfo.resultDetails != NULL) {
18429 free(gameInfo.resultDetails);
18431 gameInfo.resultDetails = savedDetails[storedGames];
18432 forwardMostMove = currentMove + nrMoves;
18436 PopTail (Boolean annotate)
18438 if(appData.icsActive) return FALSE; // only in local mode
18439 if(!storedGames) return FALSE; // sanity
18440 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18442 PopInner(annotate);
18443 if(currentMove < forwardMostMove) ForwardEvent(); else
18444 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18446 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18452 { // remove all shelved variations
18454 for(i=0; i<storedGames; i++) {
18455 if(savedDetails[i])
18456 free(savedDetails[i]);
18457 savedDetails[i] = NULL;
18459 for(i=framePtr; i<MAX_MOVES; i++) {
18460 if(commentList[i]) free(commentList[i]);
18461 commentList[i] = NULL;
18463 framePtr = MAX_MOVES-1;
18468 LoadVariation (int index, char *text)
18469 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18470 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18471 int level = 0, move;
18473 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18474 // first find outermost bracketing variation
18475 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18476 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18477 if(*p == '{') wait = '}'; else
18478 if(*p == '[') wait = ']'; else
18479 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18480 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18482 if(*p == wait) wait = NULLCHAR; // closing ]} found
18485 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18486 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18487 end[1] = NULLCHAR; // clip off comment beyond variation
18488 ToNrEvent(currentMove-1);
18489 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18490 // kludge: use ParsePV() to append variation to game
18491 move = currentMove;
18492 ParsePV(start, TRUE, TRUE);
18493 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18494 ClearPremoveHighlights();
18496 ToNrEvent(currentMove+1);
18502 char *p, *q, buf[MSG_SIZ];
18503 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18504 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18505 ParseArgsFromString(buf);
18506 ActivateTheme(TRUE); // also redo colors
18510 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18513 q = appData.themeNames;
18514 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18515 if(appData.useBitmaps) {
18516 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18517 appData.liteBackTextureFile, appData.darkBackTextureFile,
18518 appData.liteBackTextureMode,
18519 appData.darkBackTextureMode );
18521 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18522 Col2Text(2), // lightSquareColor
18523 Col2Text(3) ); // darkSquareColor
18525 if(appData.useBorder) {
18526 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18529 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18531 if(appData.useFont) {
18532 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18533 appData.renderPiecesWithFont,
18534 appData.fontToPieceTable,
18535 Col2Text(9), // appData.fontBackColorWhite
18536 Col2Text(10) ); // appData.fontForeColorBlack
18538 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18539 appData.pieceDirectory);
18540 if(!appData.pieceDirectory[0])
18541 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18542 Col2Text(0), // whitePieceColor
18543 Col2Text(1) ); // blackPieceColor
18545 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18546 Col2Text(4), // highlightSquareColor
18547 Col2Text(5) ); // premoveHighlightColor
18548 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18549 if(insert != q) insert[-1] = NULLCHAR;
18550 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18553 ActivateTheme(FALSE);