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;
299 /* States for ics_getting_history */
301 #define H_REQUESTED 1
302 #define H_GOT_REQ_HEADER 2
303 #define H_GOT_UNREQ_HEADER 3
304 #define H_GETTING_MOVES 4
305 #define H_GOT_UNWANTED_HEADER 5
307 /* whosays values for GameEnds */
316 /* Maximum number of games in a cmail message */
317 #define CMAIL_MAX_GAMES 20
319 /* Different types of move when calling RegisterMove */
321 #define CMAIL_RESIGN 1
323 #define CMAIL_ACCEPT 3
325 /* Different types of result to remember for each game */
326 #define CMAIL_NOT_RESULT 0
327 #define CMAIL_OLD_RESULT 1
328 #define CMAIL_NEW_RESULT 2
330 /* Telnet protocol constants */
341 safeStrCpy (char *dst, const char *src, size_t count)
344 assert( dst != NULL );
345 assert( src != NULL );
348 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
349 if( i == count && dst[count-1] != NULLCHAR)
351 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
352 if(appData.debugMode)
353 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
359 /* Some compiler can't cast u64 to double
360 * This function do the job for us:
362 * We use the highest bit for cast, this only
363 * works if the highest bit is not
364 * in use (This should not happen)
366 * We used this for all compiler
369 u64ToDouble (u64 value)
372 u64 tmp = value & u64Const(0x7fffffffffffffff);
373 r = (double)(s64)tmp;
374 if (value & u64Const(0x8000000000000000))
375 r += 9.2233720368547758080e18; /* 2^63 */
379 /* Fake up flags for now, as we aren't keeping track of castling
380 availability yet. [HGM] Change of logic: the flag now only
381 indicates the type of castlings allowed by the rule of the game.
382 The actual rights themselves are maintained in the array
383 castlingRights, as part of the game history, and are not probed
389 int flags = F_ALL_CASTLE_OK;
390 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
391 switch (gameInfo.variant) {
393 flags &= ~F_ALL_CASTLE_OK;
394 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
395 flags |= F_IGNORE_CHECK;
397 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
400 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
402 case VariantKriegspiel:
403 flags |= F_KRIEGSPIEL_CAPTURE;
405 case VariantCapaRandom:
406 case VariantFischeRandom:
407 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
408 case VariantNoCastle:
409 case VariantShatranj:
414 flags &= ~F_ALL_CASTLE_OK;
419 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
423 FILE *gameFileFP, *debugFP, *serverFP;
424 char *currentDebugFile; // [HGM] debug split: to remember name
427 [AS] Note: sometimes, the sscanf() function is used to parse the input
428 into a fixed-size buffer. Because of this, we must be prepared to
429 receive strings as long as the size of the input buffer, which is currently
430 set to 4K for Windows and 8K for the rest.
431 So, we must either allocate sufficiently large buffers here, or
432 reduce the size of the input buffer in the input reading part.
435 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
436 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
437 char thinkOutput1[MSG_SIZ*10];
439 ChessProgramState first, second, pairing;
441 /* premove variables */
444 int premoveFromX = 0;
445 int premoveFromY = 0;
446 int premovePromoChar = 0;
448 Boolean alarmSounded;
449 /* end premove variables */
451 char *ics_prefix = "$";
452 enum ICS_TYPE ics_type = ICS_GENERIC;
454 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
455 int pauseExamForwardMostMove = 0;
456 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
457 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
458 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
459 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
460 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
461 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
462 int whiteFlag = FALSE, blackFlag = FALSE;
463 int userOfferedDraw = FALSE;
464 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
465 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
466 int cmailMoveType[CMAIL_MAX_GAMES];
467 long ics_clock_paused = 0;
468 ProcRef icsPR = NoProc, cmailPR = NoProc;
469 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
470 GameMode gameMode = BeginningOfGame;
471 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
472 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
473 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
474 int hiddenThinkOutputState = 0; /* [AS] */
475 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
476 int adjudicateLossPlies = 6;
477 char white_holding[64], black_holding[64];
478 TimeMark lastNodeCountTime;
479 long lastNodeCount=0;
480 int shiftKey, controlKey; // [HGM] set by mouse handler
482 int have_sent_ICS_logon = 0;
484 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
485 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
486 Boolean adjustedClock;
487 long timeControl_2; /* [AS] Allow separate time controls */
488 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
489 long timeRemaining[2][MAX_MOVES];
490 int matchGame = 0, nextGame = 0, roundNr = 0;
491 Boolean waitingForGame = FALSE, startingEngine = FALSE;
492 TimeMark programStartTime, pauseStart;
493 char ics_handle[MSG_SIZ];
494 int have_set_title = 0;
496 /* animateTraining preserves the state of appData.animate
497 * when Training mode is activated. This allows the
498 * response to be animated when appData.animate == TRUE and
499 * appData.animateDragging == TRUE.
501 Boolean animateTraining;
507 Board boards[MAX_MOVES];
508 /* [HGM] Following 7 needed for accurate legality tests: */
509 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
510 signed char initialRights[BOARD_FILES];
511 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
512 int initialRulePlies, FENrulePlies;
513 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
515 Boolean shuffleOpenings;
516 int mute; // mute all sounds
518 // [HGM] vari: next 12 to save and restore variations
519 #define MAX_VARIATIONS 10
520 int framePtr = MAX_MOVES-1; // points to free stack entry
522 int savedFirst[MAX_VARIATIONS];
523 int savedLast[MAX_VARIATIONS];
524 int savedFramePtr[MAX_VARIATIONS];
525 char *savedDetails[MAX_VARIATIONS];
526 ChessMove savedResult[MAX_VARIATIONS];
528 void PushTail P((int firstMove, int lastMove));
529 Boolean PopTail P((Boolean annotate));
530 void PushInner P((int firstMove, int lastMove));
531 void PopInner P((Boolean annotate));
532 void CleanupTail P((void));
534 ChessSquare FIDEArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackKnight, BlackRook }
541 ChessSquare twoKingsArray[2][BOARD_FILES] = {
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
545 BlackKing, BlackKing, BlackKnight, BlackRook }
548 ChessSquare KnightmateArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
550 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
551 { BlackRook, BlackMan, BlackBishop, BlackQueen,
552 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
555 ChessSquare SpartanArray[2][BOARD_FILES] = {
556 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
557 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
558 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
559 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
562 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
563 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
564 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
565 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
566 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
569 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
571 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
573 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
576 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
577 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
578 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackMan, BlackFerz,
580 BlackKing, BlackMan, BlackKnight, BlackRook }
583 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
584 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
585 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackMan, BlackFerz,
587 BlackKing, BlackMan, BlackKnight, BlackRook }
590 ChessSquare lionArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
592 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
593 { BlackRook, BlackLion, BlackBishop, BlackQueen,
594 BlackKing, BlackBishop, BlackKnight, BlackRook }
598 #if (BOARD_FILES>=10)
599 ChessSquare ShogiArray[2][BOARD_FILES] = {
600 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
601 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
602 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
603 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
606 ChessSquare XiangqiArray[2][BOARD_FILES] = {
607 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
608 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
609 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
610 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
613 ChessSquare CapablancaArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
615 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
617 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
620 ChessSquare GreatArray[2][BOARD_FILES] = {
621 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
622 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
623 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
624 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
627 ChessSquare JanusArray[2][BOARD_FILES] = {
628 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
629 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
630 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
631 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
634 ChessSquare GrandArray[2][BOARD_FILES] = {
635 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
636 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
637 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
638 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
641 ChessSquare ChuChessArray[2][BOARD_FILES] = {
642 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
643 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
644 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
645 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
649 ChessSquare GothicArray[2][BOARD_FILES] = {
650 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
651 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
652 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
653 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
656 #define GothicArray CapablancaArray
660 ChessSquare FalconArray[2][BOARD_FILES] = {
661 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
662 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
663 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
664 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
667 #define FalconArray CapablancaArray
670 #else // !(BOARD_FILES>=10)
671 #define XiangqiPosition FIDEArray
672 #define CapablancaArray FIDEArray
673 #define GothicArray FIDEArray
674 #define GreatArray FIDEArray
675 #endif // !(BOARD_FILES>=10)
677 #if (BOARD_FILES>=12)
678 ChessSquare CourierArray[2][BOARD_FILES] = {
679 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
680 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
681 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
682 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
684 ChessSquare ChuArray[6][BOARD_FILES] = {
685 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
686 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
687 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
688 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
689 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
690 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
691 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
692 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
693 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
694 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
695 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
696 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
698 #else // !(BOARD_FILES>=12)
699 #define CourierArray CapablancaArray
700 #define ChuArray CapablancaArray
701 #endif // !(BOARD_FILES>=12)
704 Board initialPosition;
707 /* Convert str to a rating. Checks for special cases of "----",
709 "++++", etc. Also strips ()'s */
711 string_to_rating (char *str)
713 while(*str && !isdigit(*str)) ++str;
715 return 0; /* One of the special "no rating" cases */
723 /* Init programStats */
724 programStats.movelist[0] = 0;
725 programStats.depth = 0;
726 programStats.nr_moves = 0;
727 programStats.moves_left = 0;
728 programStats.nodes = 0;
729 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
730 programStats.score = 0;
731 programStats.got_only_move = 0;
732 programStats.got_fail = 0;
733 programStats.line_is_book = 0;
738 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
739 if (appData.firstPlaysBlack) {
740 first.twoMachinesColor = "black\n";
741 second.twoMachinesColor = "white\n";
743 first.twoMachinesColor = "white\n";
744 second.twoMachinesColor = "black\n";
747 first.other = &second;
748 second.other = &first;
751 if(appData.timeOddsMode) {
752 norm = appData.timeOdds[0];
753 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
755 first.timeOdds = appData.timeOdds[0]/norm;
756 second.timeOdds = appData.timeOdds[1]/norm;
759 if(programVersion) free(programVersion);
760 if (appData.noChessProgram) {
761 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
762 sprintf(programVersion, "%s", PACKAGE_STRING);
764 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
765 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
766 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
771 UnloadEngine (ChessProgramState *cps)
773 /* Kill off first chess program */
774 if (cps->isr != NULL)
775 RemoveInputSource(cps->isr);
778 if (cps->pr != NoProc) {
780 DoSleep( appData.delayBeforeQuit );
781 SendToProgram("quit\n", cps);
782 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
785 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
789 ClearOptions (ChessProgramState *cps)
792 cps->nrOptions = cps->comboCnt = 0;
793 for(i=0; i<MAX_OPTIONS; i++) {
794 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
795 cps->option[i].textValue = 0;
799 char *engineNames[] = {
800 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
801 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
803 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
804 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 InitEngine (ChessProgramState *cps, int n)
810 { // [HGM] all engine initialiation put in a function that does one engine
814 cps->which = engineNames[n];
815 cps->maybeThinking = FALSE;
819 cps->sendDrawOffers = 1;
821 cps->program = appData.chessProgram[n];
822 cps->host = appData.host[n];
823 cps->dir = appData.directory[n];
824 cps->initString = appData.engInitString[n];
825 cps->computerString = appData.computerString[n];
826 cps->useSigint = TRUE;
827 cps->useSigterm = TRUE;
828 cps->reuse = appData.reuse[n];
829 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
830 cps->useSetboard = FALSE;
832 cps->usePing = FALSE;
835 cps->usePlayother = FALSE;
836 cps->useColors = TRUE;
837 cps->useUsermove = FALSE;
838 cps->sendICS = FALSE;
839 cps->sendName = appData.icsActive;
840 cps->sdKludge = FALSE;
841 cps->stKludge = FALSE;
842 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
843 TidyProgramName(cps->program, cps->host, cps->tidy);
845 ASSIGN(cps->variants, appData.variant);
846 cps->analysisSupport = 2; /* detect */
847 cps->analyzing = FALSE;
848 cps->initDone = FALSE;
851 /* New features added by Tord: */
852 cps->useFEN960 = FALSE;
853 cps->useOOCastle = TRUE;
854 /* End of new features added by Tord. */
855 cps->fenOverride = appData.fenOverride[n];
857 /* [HGM] time odds: set factor for each machine */
858 cps->timeOdds = appData.timeOdds[n];
860 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
861 cps->accumulateTC = appData.accumulateTC[n];
862 cps->maxNrOfSessions = 1;
867 cps->drawDepth = appData.drawDepth[n];
868 cps->supportsNPS = UNKNOWN;
869 cps->memSize = FALSE;
870 cps->maxCores = FALSE;
871 ASSIGN(cps->egtFormats, "");
874 cps->optionSettings = appData.engOptions[n];
876 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
877 cps->isUCI = appData.isUCI[n]; /* [AS] */
878 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
881 if (appData.protocolVersion[n] > PROTOVER
882 || appData.protocolVersion[n] < 1)
887 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
888 appData.protocolVersion[n]);
889 if( (len >= MSG_SIZ) && appData.debugMode )
890 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
892 DisplayFatalError(buf, 0, 2);
896 cps->protocolVersion = appData.protocolVersion[n];
899 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
900 ParseFeatures(appData.featureDefaults, cps);
903 ChessProgramState *savCps;
911 if(WaitForEngine(savCps, LoadEngine)) return;
912 CommonEngineInit(); // recalculate time odds
913 if(gameInfo.variant != StringToVariant(appData.variant)) {
914 // we changed variant when loading the engine; this forces us to reset
915 Reset(TRUE, savCps != &first);
916 oldMode = BeginningOfGame; // to prevent restoring old mode
918 InitChessProgram(savCps, FALSE);
919 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
920 DisplayMessage("", "");
921 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
922 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
925 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
929 ReplaceEngine (ChessProgramState *cps, int n)
931 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
933 if(oldMode != BeginningOfGame) EditGameEvent();
936 appData.noChessProgram = FALSE;
937 appData.clockMode = TRUE;
940 if(n) return; // only startup first engine immediately; second can wait
941 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
945 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
946 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
948 static char resetOptions[] =
949 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
950 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
951 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
952 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
955 FloatToFront(char **list, char *engineLine)
957 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
959 if(appData.recentEngines <= 0) return;
960 TidyProgramName(engineLine, "localhost", tidy+1);
961 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
962 strncpy(buf+1, *list, MSG_SIZ-50);
963 if(p = strstr(buf, tidy)) { // tidy name appears in list
964 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
965 while(*p++ = *++q); // squeeze out
967 strcat(tidy, buf+1); // put list behind tidy name
968 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
969 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
970 ASSIGN(*list, tidy+1);
973 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
976 Load (ChessProgramState *cps, int i)
978 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
979 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
980 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
981 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
982 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
983 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
984 appData.firstProtocolVersion = PROTOVER;
985 ParseArgsFromString(buf);
987 ReplaceEngine(cps, i);
988 FloatToFront(&appData.recentEngineList, engineLine);
992 while(q = strchr(p, SLASH)) p = q+1;
993 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
994 if(engineDir[0] != NULLCHAR) {
995 ASSIGN(appData.directory[i], engineDir); p = engineName;
996 } else if(p != engineName) { // derive directory from engine path, when not given
998 ASSIGN(appData.directory[i], engineName);
1000 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1001 } else { ASSIGN(appData.directory[i], "."); }
1002 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1004 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1005 snprintf(command, MSG_SIZ, "%s %s", p, params);
1008 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1009 ASSIGN(appData.chessProgram[i], p);
1010 appData.isUCI[i] = isUCI;
1011 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1012 appData.hasOwnBookUCI[i] = hasBook;
1013 if(!nickName[0]) useNick = FALSE;
1014 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1018 q = firstChessProgramNames;
1019 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1020 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1021 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1022 quote, p, quote, appData.directory[i],
1023 useNick ? " -fn \"" : "",
1024 useNick ? nickName : "",
1025 useNick ? "\"" : "",
1026 v1 ? " -firstProtocolVersion 1" : "",
1027 hasBook ? "" : " -fNoOwnBookUCI",
1028 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1029 storeVariant ? " -variant " : "",
1030 storeVariant ? VariantName(gameInfo.variant) : "");
1031 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1032 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1033 if(insert != q) insert[-1] = NULLCHAR;
1034 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1036 FloatToFront(&appData.recentEngineList, buf);
1038 ReplaceEngine(cps, i);
1044 int matched, min, sec;
1046 * Parse timeControl resource
1048 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1049 appData.movesPerSession)) {
1051 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1052 DisplayFatalError(buf, 0, 2);
1056 * Parse searchTime resource
1058 if (*appData.searchTime != NULLCHAR) {
1059 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1061 searchTime = min * 60;
1062 } else if (matched == 2) {
1063 searchTime = min * 60 + sec;
1066 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1067 DisplayFatalError(buf, 0, 2);
1076 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1077 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1079 GetTimeMark(&programStartTime);
1080 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1081 appData.seedBase = random() + (random()<<15);
1082 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1084 ClearProgramStats();
1085 programStats.ok_to_send = 1;
1086 programStats.seen_stat = 0;
1089 * Initialize game list
1095 * Internet chess server status
1097 if (appData.icsActive) {
1098 appData.matchMode = FALSE;
1099 appData.matchGames = 0;
1101 appData.noChessProgram = !appData.zippyPlay;
1103 appData.zippyPlay = FALSE;
1104 appData.zippyTalk = FALSE;
1105 appData.noChessProgram = TRUE;
1107 if (*appData.icsHelper != NULLCHAR) {
1108 appData.useTelnet = TRUE;
1109 appData.telnetProgram = appData.icsHelper;
1112 appData.zippyTalk = appData.zippyPlay = FALSE;
1115 /* [AS] Initialize pv info list [HGM] and game state */
1119 for( i=0; i<=framePtr; i++ ) {
1120 pvInfoList[i].depth = -1;
1121 boards[i][EP_STATUS] = EP_NONE;
1122 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1128 /* [AS] Adjudication threshold */
1129 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1131 InitEngine(&first, 0);
1132 InitEngine(&second, 1);
1135 pairing.which = "pairing"; // pairing engine
1136 pairing.pr = NoProc;
1138 pairing.program = appData.pairingEngine;
1139 pairing.host = "localhost";
1142 if (appData.icsActive) {
1143 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1144 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1145 appData.clockMode = FALSE;
1146 first.sendTime = second.sendTime = 0;
1150 /* Override some settings from environment variables, for backward
1151 compatibility. Unfortunately it's not feasible to have the env
1152 vars just set defaults, at least in xboard. Ugh.
1154 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1159 if (!appData.icsActive) {
1163 /* Check for variants that are supported only in ICS mode,
1164 or not at all. Some that are accepted here nevertheless
1165 have bugs; see comments below.
1167 VariantClass variant = StringToVariant(appData.variant);
1169 case VariantBughouse: /* need four players and two boards */
1170 case VariantKriegspiel: /* need to hide pieces and move details */
1171 /* case VariantFischeRandom: (Fabien: moved below) */
1172 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1173 if( (len >= MSG_SIZ) && appData.debugMode )
1174 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1176 DisplayFatalError(buf, 0, 2);
1179 case VariantUnknown:
1180 case VariantLoadable:
1190 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1191 if( (len >= MSG_SIZ) && appData.debugMode )
1192 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1194 DisplayFatalError(buf, 0, 2);
1197 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1198 case VariantFairy: /* [HGM] TestLegality definitely off! */
1199 case VariantGothic: /* [HGM] should work */
1200 case VariantCapablanca: /* [HGM] should work */
1201 case VariantCourier: /* [HGM] initial forced moves not implemented */
1202 case VariantShogi: /* [HGM] could still mate with pawn drop */
1203 case VariantChu: /* [HGM] experimental */
1204 case VariantKnightmate: /* [HGM] should work */
1205 case VariantCylinder: /* [HGM] untested */
1206 case VariantFalcon: /* [HGM] untested */
1207 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1208 offboard interposition not understood */
1209 case VariantNormal: /* definitely works! */
1210 case VariantWildCastle: /* pieces not automatically shuffled */
1211 case VariantNoCastle: /* pieces not automatically shuffled */
1212 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1213 case VariantLosers: /* should work except for win condition,
1214 and doesn't know captures are mandatory */
1215 case VariantSuicide: /* should work except for win condition,
1216 and doesn't know captures are mandatory */
1217 case VariantGiveaway: /* should work except for win condition,
1218 and doesn't know captures are mandatory */
1219 case VariantTwoKings: /* should work */
1220 case VariantAtomic: /* should work except for win condition */
1221 case Variant3Check: /* should work except for win condition */
1222 case VariantShatranj: /* should work except for all win conditions */
1223 case VariantMakruk: /* should work except for draw countdown */
1224 case VariantASEAN : /* should work except for draw countdown */
1225 case VariantBerolina: /* might work if TestLegality is off */
1226 case VariantCapaRandom: /* should work */
1227 case VariantJanus: /* should work */
1228 case VariantSuper: /* experimental */
1229 case VariantGreat: /* experimental, requires legality testing to be off */
1230 case VariantSChess: /* S-Chess, should work */
1231 case VariantGrand: /* should work */
1232 case VariantSpartan: /* should work */
1233 case VariantLion: /* should work */
1234 case VariantChuChess: /* should work */
1242 NextIntegerFromString (char ** str, long * value)
1247 while( *s == ' ' || *s == '\t' ) {
1253 if( *s >= '0' && *s <= '9' ) {
1254 while( *s >= '0' && *s <= '9' ) {
1255 *value = *value * 10 + (*s - '0');
1268 NextTimeControlFromString (char ** str, long * value)
1271 int result = NextIntegerFromString( str, &temp );
1274 *value = temp * 60; /* Minutes */
1275 if( **str == ':' ) {
1277 result = NextIntegerFromString( str, &temp );
1278 *value += temp; /* Seconds */
1286 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1287 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1288 int result = -1, type = 0; long temp, temp2;
1290 if(**str != ':') return -1; // old params remain in force!
1292 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1293 if( NextIntegerFromString( str, &temp ) ) return -1;
1294 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1297 /* time only: incremental or sudden-death time control */
1298 if(**str == '+') { /* increment follows; read it */
1300 if(**str == '!') type = *(*str)++; // Bronstein TC
1301 if(result = NextIntegerFromString( str, &temp2)) return -1;
1302 *inc = temp2 * 1000;
1303 if(**str == '.') { // read fraction of increment
1304 char *start = ++(*str);
1305 if(result = NextIntegerFromString( str, &temp2)) return -1;
1307 while(start++ < *str) temp2 /= 10;
1311 *moves = 0; *tc = temp * 1000; *incType = type;
1315 (*str)++; /* classical time control */
1316 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1328 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1329 { /* [HGM] get time to add from the multi-session time-control string */
1330 int incType, moves=1; /* kludge to force reading of first session */
1331 long time, increment;
1334 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1336 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1337 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1338 if(movenr == -1) return time; /* last move before new session */
1339 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1340 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1341 if(!moves) return increment; /* current session is incremental */
1342 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1343 } while(movenr >= -1); /* try again for next session */
1345 return 0; // no new time quota on this move
1349 ParseTimeControl (char *tc, float ti, int mps)
1353 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1356 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1357 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1358 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1362 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1364 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1367 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1369 snprintf(buf, MSG_SIZ, ":%s", mytc);
1371 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1373 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1378 /* Parse second time control */
1381 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1389 timeControl_2 = tc2 * 1000;
1399 timeControl = tc1 * 1000;
1402 timeIncrement = ti * 1000; /* convert to ms */
1403 movesPerSession = 0;
1406 movesPerSession = mps;
1414 if (appData.debugMode) {
1415 # ifdef __GIT_VERSION
1416 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1418 fprintf(debugFP, "Version: %s\n", programVersion);
1421 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1423 set_cont_sequence(appData.wrapContSeq);
1424 if (appData.matchGames > 0) {
1425 appData.matchMode = TRUE;
1426 } else if (appData.matchMode) {
1427 appData.matchGames = 1;
1429 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1430 appData.matchGames = appData.sameColorGames;
1431 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1432 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1433 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1436 if (appData.noChessProgram || first.protocolVersion == 1) {
1439 /* kludge: allow timeout for initial "feature" commands */
1441 DisplayMessage("", _("Starting chess program"));
1442 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1447 CalculateIndex (int index, int gameNr)
1448 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1450 if(index > 0) return index; // fixed nmber
1451 if(index == 0) return 1;
1452 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1453 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1458 LoadGameOrPosition (int gameNr)
1459 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1460 if (*appData.loadGameFile != NULLCHAR) {
1461 if (!LoadGameFromFile(appData.loadGameFile,
1462 CalculateIndex(appData.loadGameIndex, gameNr),
1463 appData.loadGameFile, FALSE)) {
1464 DisplayFatalError(_("Bad game file"), 0, 1);
1467 } else if (*appData.loadPositionFile != NULLCHAR) {
1468 if (!LoadPositionFromFile(appData.loadPositionFile,
1469 CalculateIndex(appData.loadPositionIndex, gameNr),
1470 appData.loadPositionFile)) {
1471 DisplayFatalError(_("Bad position file"), 0, 1);
1479 ReserveGame (int gameNr, char resChar)
1481 FILE *tf = fopen(appData.tourneyFile, "r+");
1482 char *p, *q, c, buf[MSG_SIZ];
1483 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1484 safeStrCpy(buf, lastMsg, MSG_SIZ);
1485 DisplayMessage(_("Pick new game"), "");
1486 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1487 ParseArgsFromFile(tf);
1488 p = q = appData.results;
1489 if(appData.debugMode) {
1490 char *r = appData.participants;
1491 fprintf(debugFP, "results = '%s'\n", p);
1492 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1493 fprintf(debugFP, "\n");
1495 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1497 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1498 safeStrCpy(q, p, strlen(p) + 2);
1499 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1500 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1501 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1502 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1505 fseek(tf, -(strlen(p)+4), SEEK_END);
1507 if(c != '"') // depending on DOS or Unix line endings we can be one off
1508 fseek(tf, -(strlen(p)+2), SEEK_END);
1509 else fseek(tf, -(strlen(p)+3), SEEK_END);
1510 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1511 DisplayMessage(buf, "");
1512 free(p); appData.results = q;
1513 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1514 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1515 int round = appData.defaultMatchGames * appData.tourneyType;
1516 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1517 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1518 UnloadEngine(&first); // next game belongs to other pairing;
1519 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1521 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1525 MatchEvent (int mode)
1526 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1528 if(matchMode) { // already in match mode: switch it off
1530 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1533 // if(gameMode != BeginningOfGame) {
1534 // DisplayError(_("You can only start a match from the initial position."), 0);
1538 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1539 /* Set up machine vs. machine match */
1541 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1542 if(appData.tourneyFile[0]) {
1544 if(nextGame > appData.matchGames) {
1546 if(strchr(appData.results, '*') == NULL) {
1548 appData.tourneyCycles++;
1549 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1551 NextTourneyGame(-1, &dummy);
1553 if(nextGame <= appData.matchGames) {
1554 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1556 ScheduleDelayedEvent(NextMatchGame, 10000);
1561 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1562 DisplayError(buf, 0);
1563 appData.tourneyFile[0] = 0;
1567 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1568 DisplayFatalError(_("Can't have a match with no chess programs"),
1573 matchGame = roundNr = 1;
1574 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1578 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1581 InitBackEnd3 P((void))
1583 GameMode initialMode;
1587 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1588 !strcmp(appData.variant, "normal") && // no explicit variant request
1589 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1590 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1591 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1592 char c, *q = first.variants, *p = strchr(q, ',');
1593 if(p) *p = NULLCHAR;
1594 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1596 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1597 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1598 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1599 Reset(TRUE, FALSE); // and re-initialize
1604 InitChessProgram(&first, startedFromSetupPosition);
1606 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1607 free(programVersion);
1608 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1609 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1610 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1613 if (appData.icsActive) {
1615 /* [DM] Make a console window if needed [HGM] merged ifs */
1621 if (*appData.icsCommPort != NULLCHAR)
1622 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1623 appData.icsCommPort);
1625 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1626 appData.icsHost, appData.icsPort);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, err, 1);
1636 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1638 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1639 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1640 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1641 } else if (appData.noChessProgram) {
1647 if (*appData.cmailGameName != NULLCHAR) {
1649 OpenLoopback(&cmailPR);
1651 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1655 DisplayMessage("", "");
1656 if (StrCaseCmp(appData.initialMode, "") == 0) {
1657 initialMode = BeginningOfGame;
1658 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1659 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1660 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1661 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1664 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1665 initialMode = TwoMachinesPlay;
1666 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1667 initialMode = AnalyzeFile;
1668 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1669 initialMode = AnalyzeMode;
1670 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1671 initialMode = MachinePlaysWhite;
1672 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1673 initialMode = MachinePlaysBlack;
1674 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1675 initialMode = EditGame;
1676 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1677 initialMode = EditPosition;
1678 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1679 initialMode = Training;
1681 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1682 if( (len >= MSG_SIZ) && appData.debugMode )
1683 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1685 DisplayFatalError(buf, 0, 2);
1689 if (appData.matchMode) {
1690 if(appData.tourneyFile[0]) { // start tourney from command line
1692 if(f = fopen(appData.tourneyFile, "r")) {
1693 ParseArgsFromFile(f); // make sure tourney parmeters re known
1695 appData.clockMode = TRUE;
1697 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1700 } else if (*appData.cmailGameName != NULLCHAR) {
1701 /* Set up cmail mode */
1702 ReloadCmailMsgEvent(TRUE);
1704 /* Set up other modes */
1705 if (initialMode == AnalyzeFile) {
1706 if (*appData.loadGameFile == NULLCHAR) {
1707 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1711 if (*appData.loadGameFile != NULLCHAR) {
1712 (void) LoadGameFromFile(appData.loadGameFile,
1713 appData.loadGameIndex,
1714 appData.loadGameFile, TRUE);
1715 } else if (*appData.loadPositionFile != NULLCHAR) {
1716 (void) LoadPositionFromFile(appData.loadPositionFile,
1717 appData.loadPositionIndex,
1718 appData.loadPositionFile);
1719 /* [HGM] try to make self-starting even after FEN load */
1720 /* to allow automatic setup of fairy variants with wtm */
1721 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1722 gameMode = BeginningOfGame;
1723 setboardSpoiledMachineBlack = 1;
1725 /* [HGM] loadPos: make that every new game uses the setup */
1726 /* from file as long as we do not switch variant */
1727 if(!blackPlaysFirst) {
1728 startedFromPositionFile = TRUE;
1729 CopyBoard(filePosition, boards[0]);
1732 if (initialMode == AnalyzeMode) {
1733 if (appData.noChessProgram) {
1734 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1737 if (appData.icsActive) {
1738 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1742 } else if (initialMode == AnalyzeFile) {
1743 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1744 ShowThinkingEvent();
1746 AnalysisPeriodicEvent(1);
1747 } else if (initialMode == MachinePlaysWhite) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1753 if (appData.icsActive) {
1754 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1758 MachineWhiteEvent();
1759 } else if (initialMode == MachinePlaysBlack) {
1760 if (appData.noChessProgram) {
1761 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1765 if (appData.icsActive) {
1766 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1770 MachineBlackEvent();
1771 } else if (initialMode == TwoMachinesPlay) {
1772 if (appData.noChessProgram) {
1773 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1777 if (appData.icsActive) {
1778 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1783 } else if (initialMode == EditGame) {
1785 } else if (initialMode == EditPosition) {
1786 EditPositionEvent();
1787 } else if (initialMode == Training) {
1788 if (*appData.loadGameFile == NULLCHAR) {
1789 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1798 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1800 DisplayBook(current+1);
1802 MoveHistorySet( movelist, first, last, current, pvInfoList );
1804 EvalGraphSet( first, last, current, pvInfoList );
1806 MakeEngineOutputTitle();
1810 * Establish will establish a contact to a remote host.port.
1811 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1812 * used to talk to the host.
1813 * Returns 0 if okay, error code if not.
1820 if (*appData.icsCommPort != NULLCHAR) {
1821 /* Talk to the host through a serial comm port */
1822 return OpenCommPort(appData.icsCommPort, &icsPR);
1824 } else if (*appData.gateway != NULLCHAR) {
1825 if (*appData.remoteShell == NULLCHAR) {
1826 /* Use the rcmd protocol to run telnet program on a gateway host */
1827 snprintf(buf, sizeof(buf), "%s %s %s",
1828 appData.telnetProgram, appData.icsHost, appData.icsPort);
1829 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1832 /* Use the rsh program to run telnet program on a gateway host */
1833 if (*appData.remoteUser == NULLCHAR) {
1834 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1835 appData.gateway, appData.telnetProgram,
1836 appData.icsHost, appData.icsPort);
1838 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1839 appData.remoteShell, appData.gateway,
1840 appData.remoteUser, appData.telnetProgram,
1841 appData.icsHost, appData.icsPort);
1843 return StartChildProcess(buf, "", &icsPR);
1846 } else if (appData.useTelnet) {
1847 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1850 /* TCP socket interface differs somewhat between
1851 Unix and NT; handle details in the front end.
1853 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1858 EscapeExpand (char *p, char *q)
1859 { // [HGM] initstring: routine to shape up string arguments
1860 while(*p++ = *q++) if(p[-1] == '\\')
1862 case 'n': p[-1] = '\n'; break;
1863 case 'r': p[-1] = '\r'; break;
1864 case 't': p[-1] = '\t'; break;
1865 case '\\': p[-1] = '\\'; break;
1866 case 0: *p = 0; return;
1867 default: p[-1] = q[-1]; break;
1872 show_bytes (FILE *fp, char *buf, int count)
1875 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1876 fprintf(fp, "\\%03o", *buf & 0xff);
1885 /* Returns an errno value */
1887 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1889 char buf[8192], *p, *q, *buflim;
1890 int left, newcount, outcount;
1892 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1893 *appData.gateway != NULLCHAR) {
1894 if (appData.debugMode) {
1895 fprintf(debugFP, ">ICS: ");
1896 show_bytes(debugFP, message, count);
1897 fprintf(debugFP, "\n");
1899 return OutputToProcess(pr, message, count, outError);
1902 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, buf, newcount);
1912 fprintf(debugFP, "\n");
1914 outcount = OutputToProcess(pr, buf, newcount, outError);
1915 if (outcount < newcount) return -1; /* to be sure */
1922 } else if (((unsigned char) *p) == TN_IAC) {
1923 *q++ = (char) TN_IAC;
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1941 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1943 int outError, outCount;
1944 static int gotEof = 0;
1947 /* Pass data read from player on to ICS */
1950 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1951 if (outCount < count) {
1952 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1954 if(have_sent_ICS_logon == 2) {
1955 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1956 fprintf(ini, "%s", message);
1957 have_sent_ICS_logon = 3;
1959 have_sent_ICS_logon = 1;
1960 } else if(have_sent_ICS_logon == 3) {
1961 fprintf(ini, "%s", message);
1963 have_sent_ICS_logon = 1;
1965 } else if (count < 0) {
1966 RemoveInputSource(isr);
1967 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1968 } else if (gotEof++ > 0) {
1969 RemoveInputSource(isr);
1970 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1976 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1977 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1978 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1979 SendToICS("date\n");
1980 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1983 /* added routine for printf style output to ics */
1985 ics_printf (char *format, ...)
1987 char buffer[MSG_SIZ];
1990 va_start(args, format);
1991 vsnprintf(buffer, sizeof(buffer), format, args);
1992 buffer[sizeof(buffer)-1] = '\0';
2000 int count, outCount, outError;
2002 if (icsPR == NoProc) return;
2005 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2006 if (outCount < count) {
2007 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2011 /* This is used for sending logon scripts to the ICS. Sending
2012 without a delay causes problems when using timestamp on ICC
2013 (at least on my machine). */
2015 SendToICSDelayed (char *s, long msdelay)
2017 int count, outCount, outError;
2019 if (icsPR == NoProc) return;
2022 if (appData.debugMode) {
2023 fprintf(debugFP, ">ICS: ");
2024 show_bytes(debugFP, s, count);
2025 fprintf(debugFP, "\n");
2027 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2035 /* Remove all highlighting escape sequences in s
2036 Also deletes any suffix starting with '('
2039 StripHighlightAndTitle (char *s)
2041 static char retbuf[MSG_SIZ];
2044 while (*s != NULLCHAR) {
2045 while (*s == '\033') {
2046 while (*s != NULLCHAR && !isalpha(*s)) s++;
2047 if (*s != NULLCHAR) s++;
2049 while (*s != NULLCHAR && *s != '\033') {
2050 if (*s == '(' || *s == '[') {
2061 /* Remove all highlighting escape sequences in s */
2063 StripHighlight (char *s)
2065 static char retbuf[MSG_SIZ];
2068 while (*s != NULLCHAR) {
2069 while (*s == '\033') {
2070 while (*s != NULLCHAR && !isalpha(*s)) s++;
2071 if (*s != NULLCHAR) s++;
2073 while (*s != NULLCHAR && *s != '\033') {
2081 char engineVariant[MSG_SIZ];
2082 char *variantNames[] = VARIANT_NAMES;
2084 VariantName (VariantClass v)
2086 if(v == VariantUnknown || *engineVariant) return engineVariant;
2087 return variantNames[v];
2091 /* Identify a variant from the strings the chess servers use or the
2092 PGN Variant tag names we use. */
2094 StringToVariant (char *e)
2098 VariantClass v = VariantNormal;
2099 int i, found = FALSE;
2105 /* [HGM] skip over optional board-size prefixes */
2106 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2107 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2108 while( *e++ != '_');
2111 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2115 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2116 if (p = StrCaseStr(e, variantNames[i])) {
2117 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2118 v = (VariantClass) i;
2125 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2126 || StrCaseStr(e, "wild/fr")
2127 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2128 v = VariantFischeRandom;
2129 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2130 (i = 1, p = StrCaseStr(e, "w"))) {
2132 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2139 case 0: /* FICS only, actually */
2141 /* Castling legal even if K starts on d-file */
2142 v = VariantWildCastle;
2147 /* Castling illegal even if K & R happen to start in
2148 normal positions. */
2149 v = VariantNoCastle;
2162 /* Castling legal iff K & R start in normal positions */
2168 /* Special wilds for position setup; unclear what to do here */
2169 v = VariantLoadable;
2172 /* Bizarre ICC game */
2173 v = VariantTwoKings;
2176 v = VariantKriegspiel;
2182 v = VariantFischeRandom;
2185 v = VariantCrazyhouse;
2188 v = VariantBughouse;
2194 /* Not quite the same as FICS suicide! */
2195 v = VariantGiveaway;
2201 v = VariantShatranj;
2204 /* Temporary names for future ICC types. The name *will* change in
2205 the next xboard/WinBoard release after ICC defines it. */
2243 v = VariantCapablanca;
2246 v = VariantKnightmate;
2252 v = VariantCylinder;
2258 v = VariantCapaRandom;
2261 v = VariantBerolina;
2273 /* Found "wild" or "w" in the string but no number;
2274 must assume it's normal chess. */
2278 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2279 if( (len >= MSG_SIZ) && appData.debugMode )
2280 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2282 DisplayError(buf, 0);
2288 if (appData.debugMode) {
2289 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2290 e, wnum, VariantName(v));
2295 static int leftover_start = 0, leftover_len = 0;
2296 char star_match[STAR_MATCH_N][MSG_SIZ];
2298 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2299 advance *index beyond it, and set leftover_start to the new value of
2300 *index; else return FALSE. If pattern contains the character '*', it
2301 matches any sequence of characters not containing '\r', '\n', or the
2302 character following the '*' (if any), and the matched sequence(s) are
2303 copied into star_match.
2306 looking_at ( char *buf, int *index, char *pattern)
2308 char *bufp = &buf[*index], *patternp = pattern;
2310 char *matchp = star_match[0];
2313 if (*patternp == NULLCHAR) {
2314 *index = leftover_start = bufp - buf;
2318 if (*bufp == NULLCHAR) return FALSE;
2319 if (*patternp == '*') {
2320 if (*bufp == *(patternp + 1)) {
2322 matchp = star_match[++star_count];
2326 } else if (*bufp == '\n' || *bufp == '\r') {
2328 if (*patternp == NULLCHAR)
2333 *matchp++ = *bufp++;
2337 if (*patternp != *bufp) return FALSE;
2344 SendToPlayer (char *data, int length)
2346 int error, outCount;
2347 outCount = OutputToProcess(NoProc, data, length, &error);
2348 if (outCount < length) {
2349 DisplayFatalError(_("Error writing to display"), error, 1);
2354 PackHolding (char packed[], char *holding)
2364 switch (runlength) {
2375 sprintf(q, "%d", runlength);
2387 /* Telnet protocol requests from the front end */
2389 TelnetRequest (unsigned char ddww, unsigned char option)
2391 unsigned char msg[3];
2392 int outCount, outError;
2394 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2396 if (appData.debugMode) {
2397 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2413 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2422 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2425 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2430 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2432 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2439 if (!appData.icsActive) return;
2440 TelnetRequest(TN_DO, TN_ECHO);
2446 if (!appData.icsActive) return;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2451 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2453 /* put the holdings sent to us by the server on the board holdings area */
2454 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2458 if(gameInfo.holdingsWidth < 2) return;
2459 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2460 return; // prevent overwriting by pre-board holdings
2462 if( (int)lowestPiece >= BlackPawn ) {
2465 holdingsStartRow = BOARD_HEIGHT-1;
2468 holdingsColumn = BOARD_WIDTH-1;
2469 countsColumn = BOARD_WIDTH-2;
2470 holdingsStartRow = 0;
2474 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2475 board[i][holdingsColumn] = EmptySquare;
2476 board[i][countsColumn] = (ChessSquare) 0;
2478 while( (p=*holdings++) != NULLCHAR ) {
2479 piece = CharToPiece( ToUpper(p) );
2480 if(piece == EmptySquare) continue;
2481 /*j = (int) piece - (int) WhitePawn;*/
2482 j = PieceToNumber(piece);
2483 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2484 if(j < 0) continue; /* should not happen */
2485 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2486 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2487 board[holdingsStartRow+j*direction][countsColumn]++;
2493 VariantSwitch (Board board, VariantClass newVariant)
2495 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2496 static Board oldBoard;
2498 startedFromPositionFile = FALSE;
2499 if(gameInfo.variant == newVariant) return;
2501 /* [HGM] This routine is called each time an assignment is made to
2502 * gameInfo.variant during a game, to make sure the board sizes
2503 * are set to match the new variant. If that means adding or deleting
2504 * holdings, we shift the playing board accordingly
2505 * This kludge is needed because in ICS observe mode, we get boards
2506 * of an ongoing game without knowing the variant, and learn about the
2507 * latter only later. This can be because of the move list we requested,
2508 * in which case the game history is refilled from the beginning anyway,
2509 * but also when receiving holdings of a crazyhouse game. In the latter
2510 * case we want to add those holdings to the already received position.
2514 if (appData.debugMode) {
2515 fprintf(debugFP, "Switch board from %s to %s\n",
2516 VariantName(gameInfo.variant), VariantName(newVariant));
2517 setbuf(debugFP, NULL);
2519 shuffleOpenings = 0; /* [HGM] shuffle */
2520 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2524 newWidth = 9; newHeight = 9;
2525 gameInfo.holdingsSize = 7;
2526 case VariantBughouse:
2527 case VariantCrazyhouse:
2528 newHoldingsWidth = 2; break;
2532 newHoldingsWidth = 2;
2533 gameInfo.holdingsSize = 8;
2536 case VariantCapablanca:
2537 case VariantCapaRandom:
2540 newHoldingsWidth = gameInfo.holdingsSize = 0;
2543 if(newWidth != gameInfo.boardWidth ||
2544 newHeight != gameInfo.boardHeight ||
2545 newHoldingsWidth != gameInfo.holdingsWidth ) {
2547 /* shift position to new playing area, if needed */
2548 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2549 for(i=0; i<BOARD_HEIGHT; i++)
2550 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2551 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2553 for(i=0; i<newHeight; i++) {
2554 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2555 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2557 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2558 for(i=0; i<BOARD_HEIGHT; i++)
2559 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2560 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2563 board[HOLDINGS_SET] = 0;
2564 gameInfo.boardWidth = newWidth;
2565 gameInfo.boardHeight = newHeight;
2566 gameInfo.holdingsWidth = newHoldingsWidth;
2567 gameInfo.variant = newVariant;
2568 InitDrawingSizes(-2, 0);
2569 } else gameInfo.variant = newVariant;
2570 CopyBoard(oldBoard, board); // remember correctly formatted board
2571 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2572 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2575 static int loggedOn = FALSE;
2577 /*-- Game start info cache: --*/
2579 char gs_kind[MSG_SIZ];
2580 static char player1Name[128] = "";
2581 static char player2Name[128] = "";
2582 static char cont_seq[] = "\n\\ ";
2583 static int player1Rating = -1;
2584 static int player2Rating = -1;
2585 /*----------------------------*/
2587 ColorClass curColor = ColorNormal;
2588 int suppressKibitz = 0;
2591 Boolean soughtPending = FALSE;
2592 Boolean seekGraphUp;
2593 #define MAX_SEEK_ADS 200
2595 char *seekAdList[MAX_SEEK_ADS];
2596 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2597 float tcList[MAX_SEEK_ADS];
2598 char colorList[MAX_SEEK_ADS];
2599 int nrOfSeekAds = 0;
2600 int minRating = 1010, maxRating = 2800;
2601 int hMargin = 10, vMargin = 20, h, w;
2602 extern int squareSize, lineGap;
2607 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2608 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2609 if(r < minRating+100 && r >=0 ) r = minRating+100;
2610 if(r > maxRating) r = maxRating;
2611 if(tc < 1.f) tc = 1.f;
2612 if(tc > 95.f) tc = 95.f;
2613 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2614 y = ((double)r - minRating)/(maxRating - minRating)
2615 * (h-vMargin-squareSize/8-1) + vMargin;
2616 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2617 if(strstr(seekAdList[i], " u ")) color = 1;
2618 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2619 !strstr(seekAdList[i], "bullet") &&
2620 !strstr(seekAdList[i], "blitz") &&
2621 !strstr(seekAdList[i], "standard") ) color = 2;
2622 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2623 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2627 PlotSingleSeekAd (int i)
2633 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2635 char buf[MSG_SIZ], *ext = "";
2636 VariantClass v = StringToVariant(type);
2637 if(strstr(type, "wild")) {
2638 ext = type + 4; // append wild number
2639 if(v == VariantFischeRandom) type = "chess960"; else
2640 if(v == VariantLoadable) type = "setup"; else
2641 type = VariantName(v);
2643 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2644 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2645 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2646 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2647 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2648 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2649 seekNrList[nrOfSeekAds] = nr;
2650 zList[nrOfSeekAds] = 0;
2651 seekAdList[nrOfSeekAds++] = StrSave(buf);
2652 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2657 EraseSeekDot (int i)
2659 int x = xList[i], y = yList[i], d=squareSize/4, k;
2660 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2661 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2662 // now replot every dot that overlapped
2663 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2664 int xx = xList[k], yy = yList[k];
2665 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2666 DrawSeekDot(xx, yy, colorList[k]);
2671 RemoveSeekAd (int nr)
2674 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2676 if(seekAdList[i]) free(seekAdList[i]);
2677 seekAdList[i] = seekAdList[--nrOfSeekAds];
2678 seekNrList[i] = seekNrList[nrOfSeekAds];
2679 ratingList[i] = ratingList[nrOfSeekAds];
2680 colorList[i] = colorList[nrOfSeekAds];
2681 tcList[i] = tcList[nrOfSeekAds];
2682 xList[i] = xList[nrOfSeekAds];
2683 yList[i] = yList[nrOfSeekAds];
2684 zList[i] = zList[nrOfSeekAds];
2685 seekAdList[nrOfSeekAds] = NULL;
2691 MatchSoughtLine (char *line)
2693 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2694 int nr, base, inc, u=0; char dummy;
2696 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2697 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2699 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2700 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2701 // match: compact and save the line
2702 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2712 if(!seekGraphUp) return FALSE;
2713 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2714 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2716 DrawSeekBackground(0, 0, w, h);
2717 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2718 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2719 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2720 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2722 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2725 snprintf(buf, MSG_SIZ, "%d", i);
2726 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2729 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2730 for(i=1; i<100; i+=(i<10?1:5)) {
2731 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2732 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2733 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2735 snprintf(buf, MSG_SIZ, "%d", i);
2736 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2739 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2744 SeekGraphClick (ClickType click, int x, int y, int moving)
2746 static int lastDown = 0, displayed = 0, lastSecond;
2747 if(y < 0) return FALSE;
2748 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2749 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2750 if(!seekGraphUp) return FALSE;
2751 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2752 DrawPosition(TRUE, NULL);
2755 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2756 if(click == Release || moving) return FALSE;
2758 soughtPending = TRUE;
2759 SendToICS(ics_prefix);
2760 SendToICS("sought\n"); // should this be "sought all"?
2761 } else { // issue challenge based on clicked ad
2762 int dist = 10000; int i, closest = 0, second = 0;
2763 for(i=0; i<nrOfSeekAds; i++) {
2764 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2765 if(d < dist) { dist = d; closest = i; }
2766 second += (d - zList[i] < 120); // count in-range ads
2767 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2771 second = (second > 1);
2772 if(displayed != closest || second != lastSecond) {
2773 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2774 lastSecond = second; displayed = closest;
2776 if(click == Press) {
2777 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2780 } // on press 'hit', only show info
2781 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2782 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2783 SendToICS(ics_prefix);
2785 return TRUE; // let incoming board of started game pop down the graph
2786 } else if(click == Release) { // release 'miss' is ignored
2787 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2788 if(moving == 2) { // right up-click
2789 nrOfSeekAds = 0; // refresh graph
2790 soughtPending = TRUE;
2791 SendToICS(ics_prefix);
2792 SendToICS("sought\n"); // should this be "sought all"?
2795 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2796 // press miss or release hit 'pop down' seek graph
2797 seekGraphUp = FALSE;
2798 DrawPosition(TRUE, NULL);
2804 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2806 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2807 #define STARTED_NONE 0
2808 #define STARTED_MOVES 1
2809 #define STARTED_BOARD 2
2810 #define STARTED_OBSERVE 3
2811 #define STARTED_HOLDINGS 4
2812 #define STARTED_CHATTER 5
2813 #define STARTED_COMMENT 6
2814 #define STARTED_MOVES_NOHIDE 7
2816 static int started = STARTED_NONE;
2817 static char parse[20000];
2818 static int parse_pos = 0;
2819 static char buf[BUF_SIZE + 1];
2820 static int firstTime = TRUE, intfSet = FALSE;
2821 static ColorClass prevColor = ColorNormal;
2822 static int savingComment = FALSE;
2823 static int cmatch = 0; // continuation sequence match
2830 int backup; /* [DM] For zippy color lines */
2832 char talker[MSG_SIZ]; // [HGM] chat
2833 int channel, collective=0;
2835 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2837 if (appData.debugMode) {
2839 fprintf(debugFP, "<ICS: ");
2840 show_bytes(debugFP, data, count);
2841 fprintf(debugFP, "\n");
2845 if (appData.debugMode) { int f = forwardMostMove;
2846 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2847 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2848 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2851 /* If last read ended with a partial line that we couldn't parse,
2852 prepend it to the new read and try again. */
2853 if (leftover_len > 0) {
2854 for (i=0; i<leftover_len; i++)
2855 buf[i] = buf[leftover_start + i];
2858 /* copy new characters into the buffer */
2859 bp = buf + leftover_len;
2860 buf_len=leftover_len;
2861 for (i=0; i<count; i++)
2864 if (data[i] == '\r')
2867 // join lines split by ICS?
2868 if (!appData.noJoin)
2871 Joining just consists of finding matches against the
2872 continuation sequence, and discarding that sequence
2873 if found instead of copying it. So, until a match
2874 fails, there's nothing to do since it might be the
2875 complete sequence, and thus, something we don't want
2878 if (data[i] == cont_seq[cmatch])
2881 if (cmatch == strlen(cont_seq))
2883 cmatch = 0; // complete match. just reset the counter
2886 it's possible for the ICS to not include the space
2887 at the end of the last word, making our [correct]
2888 join operation fuse two separate words. the server
2889 does this when the space occurs at the width setting.
2891 if (!buf_len || buf[buf_len-1] != ' ')
2902 match failed, so we have to copy what matched before
2903 falling through and copying this character. In reality,
2904 this will only ever be just the newline character, but
2905 it doesn't hurt to be precise.
2907 strncpy(bp, cont_seq, cmatch);
2919 buf[buf_len] = NULLCHAR;
2920 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2925 while (i < buf_len) {
2926 /* Deal with part of the TELNET option negotiation
2927 protocol. We refuse to do anything beyond the
2928 defaults, except that we allow the WILL ECHO option,
2929 which ICS uses to turn off password echoing when we are
2930 directly connected to it. We reject this option
2931 if localLineEditing mode is on (always on in xboard)
2932 and we are talking to port 23, which might be a real
2933 telnet server that will try to keep WILL ECHO on permanently.
2935 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2936 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2937 unsigned char option;
2939 switch ((unsigned char) buf[++i]) {
2941 if (appData.debugMode)
2942 fprintf(debugFP, "\n<WILL ");
2943 switch (option = (unsigned char) buf[++i]) {
2945 if (appData.debugMode)
2946 fprintf(debugFP, "ECHO ");
2947 /* Reply only if this is a change, according
2948 to the protocol rules. */
2949 if (remoteEchoOption) break;
2950 if (appData.localLineEditing &&
2951 atoi(appData.icsPort) == TN_PORT) {
2952 TelnetRequest(TN_DONT, TN_ECHO);
2955 TelnetRequest(TN_DO, TN_ECHO);
2956 remoteEchoOption = TRUE;
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 /* Whatever this is, we don't want it. */
2963 TelnetRequest(TN_DONT, option);
2968 if (appData.debugMode)
2969 fprintf(debugFP, "\n<WONT ");
2970 switch (option = (unsigned char) buf[++i]) {
2972 if (appData.debugMode)
2973 fprintf(debugFP, "ECHO ");
2974 /* Reply only if this is a change, according
2975 to the protocol rules. */
2976 if (!remoteEchoOption) break;
2978 TelnetRequest(TN_DONT, TN_ECHO);
2979 remoteEchoOption = FALSE;
2982 if (appData.debugMode)
2983 fprintf(debugFP, "%d ", (unsigned char) option);
2984 /* Whatever this is, it must already be turned
2985 off, because we never agree to turn on
2986 anything non-default, so according to the
2987 protocol rules, we don't reply. */
2992 if (appData.debugMode)
2993 fprintf(debugFP, "\n<DO ");
2994 switch (option = (unsigned char) buf[++i]) {
2996 /* Whatever this is, we refuse to do it. */
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", option);
2999 TelnetRequest(TN_WONT, option);
3004 if (appData.debugMode)
3005 fprintf(debugFP, "\n<DONT ");
3006 switch (option = (unsigned char) buf[++i]) {
3008 if (appData.debugMode)
3009 fprintf(debugFP, "%d ", option);
3010 /* Whatever this is, we are already not doing
3011 it, because we never agree to do anything
3012 non-default, so according to the protocol
3013 rules, we don't reply. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "\n<IAC ");
3020 /* Doubled IAC; pass it through */
3024 if (appData.debugMode)
3025 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3026 /* Drop all other telnet commands on the floor */
3029 if (oldi > next_out)
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3036 /* OK, this at least will *usually* work */
3037 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3041 if (loggedOn && !intfSet) {
3042 if (ics_type == ICS_ICC) {
3043 snprintf(str, MSG_SIZ,
3044 "/set-quietly interface %s\n/set-quietly style 12\n",
3046 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3047 strcat(str, "/set-2 51 1\n/set seek 1\n");
3048 } else if (ics_type == ICS_CHESSNET) {
3049 snprintf(str, MSG_SIZ, "/style 12\n");
3051 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3052 strcat(str, programVersion);
3053 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3054 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3055 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3057 strcat(str, "$iset nohighlight 1\n");
3059 strcat(str, "$iset lock 1\n$style 12\n");
3062 NotifyFrontendLogin();
3066 if (started == STARTED_COMMENT) {
3067 /* Accumulate characters in comment */
3068 parse[parse_pos++] = buf[i];
3069 if (buf[i] == '\n') {
3070 parse[parse_pos] = NULLCHAR;
3071 if(chattingPartner>=0) {
3073 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3074 OutputChatMessage(chattingPartner, mess);
3075 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3077 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3078 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3079 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3080 OutputChatMessage(p, mess);
3084 chattingPartner = -1;
3085 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3088 if(!suppressKibitz) // [HGM] kibitz
3089 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3090 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3091 int nrDigit = 0, nrAlph = 0, j;
3092 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3093 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3094 parse[parse_pos] = NULLCHAR;
3095 // try to be smart: if it does not look like search info, it should go to
3096 // ICS interaction window after all, not to engine-output window.
3097 for(j=0; j<parse_pos; j++) { // count letters and digits
3098 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3099 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3100 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3102 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3103 int depth=0; float score;
3104 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3105 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3106 pvInfoList[forwardMostMove-1].depth = depth;
3107 pvInfoList[forwardMostMove-1].score = 100*score;
3109 OutputKibitz(suppressKibitz, parse);
3112 if(gameMode == IcsObserving) // restore original ICS messages
3113 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3114 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3116 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3117 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3118 SendToPlayer(tmp, strlen(tmp));
3120 next_out = i+1; // [HGM] suppress printing in ICS window
3122 started = STARTED_NONE;
3124 /* Don't match patterns against characters in comment */
3129 if (started == STARTED_CHATTER) {
3130 if (buf[i] != '\n') {
3131 /* Don't match patterns against characters in chatter */
3135 started = STARTED_NONE;
3136 if(suppressKibitz) next_out = i+1;
3139 /* Kludge to deal with rcmd protocol */
3140 if (firstTime && looking_at(buf, &i, "\001*")) {
3141 DisplayFatalError(&buf[1], 0, 1);
3147 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3150 if (appData.debugMode)
3151 fprintf(debugFP, "ics_type %d\n", ics_type);
3154 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3155 ics_type = ICS_FICS;
3157 if (appData.debugMode)
3158 fprintf(debugFP, "ics_type %d\n", ics_type);
3161 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3162 ics_type = ICS_CHESSNET;
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3170 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3171 looking_at(buf, &i, "Logging you in as \"*\"") ||
3172 looking_at(buf, &i, "will be \"*\""))) {
3173 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3177 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3179 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3180 DisplayIcsInteractionTitle(buf);
3181 have_set_title = TRUE;
3184 /* skip finger notes */
3185 if (started == STARTED_NONE &&
3186 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3187 (buf[i] == '1' && buf[i+1] == '0')) &&
3188 buf[i+2] == ':' && buf[i+3] == ' ') {
3189 started = STARTED_CHATTER;
3195 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3196 if(appData.seekGraph) {
3197 if(soughtPending && MatchSoughtLine(buf+i)) {
3198 i = strstr(buf+i, "rated") - buf;
3199 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3200 next_out = leftover_start = i;
3201 started = STARTED_CHATTER;
3202 suppressKibitz = TRUE;
3205 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3206 && looking_at(buf, &i, "* ads displayed")) {
3207 soughtPending = FALSE;
3212 if(appData.autoRefresh) {
3213 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3214 int s = (ics_type == ICS_ICC); // ICC format differs
3216 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3217 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3218 looking_at(buf, &i, "*% "); // eat prompt
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = i; // suppress
3224 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3225 char *p = star_match[0];
3227 if(seekGraphUp) RemoveSeekAd(atoi(p));
3228 while(*p && *p++ != ' '); // next
3230 looking_at(buf, &i, "*% "); // eat prompt
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3238 /* skip formula vars */
3239 if (started == STARTED_NONE &&
3240 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3241 started = STARTED_CHATTER;
3246 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3247 if (appData.autoKibitz && started == STARTED_NONE &&
3248 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3249 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3250 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3251 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3252 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3253 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3254 suppressKibitz = TRUE;
3255 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3257 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3258 && (gameMode == IcsPlayingWhite)) ||
3259 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3260 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3261 started = STARTED_CHATTER; // own kibitz we simply discard
3263 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3264 parse_pos = 0; parse[0] = NULLCHAR;
3265 savingComment = TRUE;
3266 suppressKibitz = gameMode != IcsObserving ? 2 :
3267 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3271 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3272 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3273 && atoi(star_match[0])) {
3274 // suppress the acknowledgements of our own autoKibitz
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3277 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3278 SendToPlayer(star_match[0], strlen(star_match[0]));
3279 if(looking_at(buf, &i, "*% ")) // eat prompt
3280 suppressKibitz = FALSE;
3284 } // [HGM] kibitz: end of patch
3286 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3288 // [HGM] chat: intercept tells by users for which we have an open chat window
3290 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3291 looking_at(buf, &i, "* whispers:") ||
3292 looking_at(buf, &i, "* kibitzes:") ||
3293 looking_at(buf, &i, "* shouts:") ||
3294 looking_at(buf, &i, "* c-shouts:") ||
3295 looking_at(buf, &i, "--> * ") ||
3296 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3297 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3298 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3299 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3301 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3302 chattingPartner = -1; collective = 0;
3304 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3305 for(p=0; p<MAX_CHAT; p++) {
3307 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3308 talker[0] = '['; strcat(talker, "] ");
3309 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3310 chattingPartner = p; break;
3313 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3314 for(p=0; p<MAX_CHAT; p++) {
3316 if(!strcmp("kibitzes", chatPartner[p])) {
3317 talker[0] = '['; strcat(talker, "] ");
3318 chattingPartner = p; break;
3321 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3322 for(p=0; p<MAX_CHAT; p++) {
3324 if(!strcmp("whispers", chatPartner[p])) {
3325 talker[0] = '['; strcat(talker, "] ");
3326 chattingPartner = p; break;
3329 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3330 if(buf[i-8] == '-' && buf[i-3] == 't')
3331 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3333 if(!strcmp("c-shouts", chatPartner[p])) {
3334 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3335 chattingPartner = p; break;
3338 if(chattingPartner < 0)
3339 for(p=0; p<MAX_CHAT; p++) {
3341 if(!strcmp("shouts", chatPartner[p])) {
3342 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3343 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3344 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3345 chattingPartner = p; break;
3349 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3350 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3352 Colorize(ColorTell, FALSE);
3353 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3355 chattingPartner = p; break;
3357 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3358 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3359 started = STARTED_COMMENT;
3360 parse_pos = 0; parse[0] = NULLCHAR;
3361 savingComment = 3 + chattingPartner; // counts as TRUE
3362 if(collective == 3) i = oldi; else {
3363 suppressKibitz = TRUE;
3364 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3365 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3369 } // [HGM] chat: end of patch
3372 if (appData.zippyTalk || appData.zippyPlay) {
3373 /* [DM] Backup address for color zippy lines */
3375 if (loggedOn == TRUE)
3376 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3377 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3379 } // [DM] 'else { ' deleted
3381 /* Regular tells and says */
3382 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3383 looking_at(buf, &i, "* (your partner) tells you: ") ||
3384 looking_at(buf, &i, "* says: ") ||
3385 /* Don't color "message" or "messages" output */
3386 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3387 looking_at(buf, &i, "*. * at *:*: ") ||
3388 looking_at(buf, &i, "--* (*:*): ") ||
3389 /* Message notifications (same color as tells) */
3390 looking_at(buf, &i, "* has left a message ") ||
3391 looking_at(buf, &i, "* just sent you a message:\n") ||
3392 /* Whispers and kibitzes */
3393 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3394 looking_at(buf, &i, "* kibitzes: ") ||
3396 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3398 if (tkind == 1 && strchr(star_match[0], ':')) {
3399 /* Avoid "tells you:" spoofs in channels */
3402 if (star_match[0][0] == NULLCHAR ||
3403 strchr(star_match[0], ' ') ||
3404 (tkind == 3 && strchr(star_match[1], ' '))) {
3405 /* Reject bogus matches */
3408 if (appData.colorize) {
3409 if (oldi > next_out) {
3410 SendToPlayer(&buf[next_out], oldi - next_out);
3415 Colorize(ColorTell, FALSE);
3416 curColor = ColorTell;
3419 Colorize(ColorKibitz, FALSE);
3420 curColor = ColorKibitz;
3423 p = strrchr(star_match[1], '(');
3430 Colorize(ColorChannel1, FALSE);
3431 curColor = ColorChannel1;
3433 Colorize(ColorChannel, FALSE);
3434 curColor = ColorChannel;
3438 curColor = ColorNormal;
3442 if (started == STARTED_NONE && appData.autoComment &&
3443 (gameMode == IcsObserving ||
3444 gameMode == IcsPlayingWhite ||
3445 gameMode == IcsPlayingBlack)) {
3446 parse_pos = i - oldi;
3447 memcpy(parse, &buf[oldi], parse_pos);
3448 parse[parse_pos] = NULLCHAR;
3449 started = STARTED_COMMENT;
3450 savingComment = TRUE;
3451 } else if(collective != 3) {
3452 started = STARTED_CHATTER;
3453 savingComment = FALSE;
3460 if (looking_at(buf, &i, "* s-shouts: ") ||
3461 looking_at(buf, &i, "* c-shouts: ")) {
3462 if (appData.colorize) {
3463 if (oldi > next_out) {
3464 SendToPlayer(&buf[next_out], oldi - next_out);
3467 Colorize(ColorSShout, FALSE);
3468 curColor = ColorSShout;
3471 started = STARTED_CHATTER;
3475 if (looking_at(buf, &i, "--->")) {
3480 if (looking_at(buf, &i, "* shouts: ") ||
3481 looking_at(buf, &i, "--> ")) {
3482 if (appData.colorize) {
3483 if (oldi > next_out) {
3484 SendToPlayer(&buf[next_out], oldi - next_out);
3487 Colorize(ColorShout, FALSE);
3488 curColor = ColorShout;
3491 started = STARTED_CHATTER;
3495 if (looking_at( buf, &i, "Challenge:")) {
3496 if (appData.colorize) {
3497 if (oldi > next_out) {
3498 SendToPlayer(&buf[next_out], oldi - next_out);
3501 Colorize(ColorChallenge, FALSE);
3502 curColor = ColorChallenge;
3508 if (looking_at(buf, &i, "* offers you") ||
3509 looking_at(buf, &i, "* offers to be") ||
3510 looking_at(buf, &i, "* would like to") ||
3511 looking_at(buf, &i, "* requests to") ||
3512 looking_at(buf, &i, "Your opponent offers") ||
3513 looking_at(buf, &i, "Your opponent requests")) {
3515 if (appData.colorize) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 Colorize(ColorRequest, FALSE);
3521 curColor = ColorRequest;
3526 if (looking_at(buf, &i, "* (*) seeking")) {
3527 if (appData.colorize) {
3528 if (oldi > next_out) {
3529 SendToPlayer(&buf[next_out], oldi - next_out);
3532 Colorize(ColorSeek, FALSE);
3533 curColor = ColorSeek;
3538 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3540 if (looking_at(buf, &i, "\\ ")) {
3541 if (prevColor != ColorNormal) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(prevColor, TRUE);
3547 curColor = prevColor;
3549 if (savingComment) {
3550 parse_pos = i - oldi;
3551 memcpy(parse, &buf[oldi], parse_pos);
3552 parse[parse_pos] = NULLCHAR;
3553 started = STARTED_COMMENT;
3554 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3555 chattingPartner = savingComment - 3; // kludge to remember the box
3557 started = STARTED_CHATTER;
3562 if (looking_at(buf, &i, "Black Strength :") ||
3563 looking_at(buf, &i, "<<< style 10 board >>>") ||
3564 looking_at(buf, &i, "<10>") ||
3565 looking_at(buf, &i, "#@#")) {
3566 /* Wrong board style */
3568 SendToICS(ics_prefix);
3569 SendToICS("set style 12\n");
3570 SendToICS(ics_prefix);
3571 SendToICS("refresh\n");
3575 if (looking_at(buf, &i, "login:")) {
3576 if (!have_sent_ICS_logon) {
3578 have_sent_ICS_logon = 1;
3579 else // no init script was found
3580 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3581 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3582 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3587 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3588 (looking_at(buf, &i, "\n<12> ") ||
3589 looking_at(buf, &i, "<12> "))) {
3591 if (oldi > next_out) {
3592 SendToPlayer(&buf[next_out], oldi - next_out);
3595 started = STARTED_BOARD;
3600 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3601 looking_at(buf, &i, "<b1> ")) {
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 started = STARTED_HOLDINGS;
3611 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3613 /* Header for a move list -- first line */
3615 switch (ics_getting_history) {
3619 case BeginningOfGame:
3620 /* User typed "moves" or "oldmoves" while we
3621 were idle. Pretend we asked for these
3622 moves and soak them up so user can step
3623 through them and/or save them.
3626 gameMode = IcsObserving;
3629 ics_getting_history = H_GOT_UNREQ_HEADER;
3631 case EditGame: /*?*/
3632 case EditPosition: /*?*/
3633 /* Should above feature work in these modes too? */
3634 /* For now it doesn't */
3635 ics_getting_history = H_GOT_UNWANTED_HEADER;
3638 ics_getting_history = H_GOT_UNWANTED_HEADER;
3643 /* Is this the right one? */
3644 if (gameInfo.white && gameInfo.black &&
3645 strcmp(gameInfo.white, star_match[0]) == 0 &&
3646 strcmp(gameInfo.black, star_match[2]) == 0) {
3648 ics_getting_history = H_GOT_REQ_HEADER;
3651 case H_GOT_REQ_HEADER:
3652 case H_GOT_UNREQ_HEADER:
3653 case H_GOT_UNWANTED_HEADER:
3654 case H_GETTING_MOVES:
3655 /* Should not happen */
3656 DisplayError(_("Error gathering move list: two headers"), 0);
3657 ics_getting_history = H_FALSE;
3661 /* Save player ratings into gameInfo if needed */
3662 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3663 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3664 (gameInfo.whiteRating == -1 ||
3665 gameInfo.blackRating == -1)) {
3667 gameInfo.whiteRating = string_to_rating(star_match[1]);
3668 gameInfo.blackRating = string_to_rating(star_match[3]);
3669 if (appData.debugMode)
3670 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3671 gameInfo.whiteRating, gameInfo.blackRating);
3676 if (looking_at(buf, &i,
3677 "* * match, initial time: * minute*, increment: * second")) {
3678 /* Header for a move list -- second line */
3679 /* Initial board will follow if this is a wild game */
3680 if (gameInfo.event != NULL) free(gameInfo.event);
3681 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3682 gameInfo.event = StrSave(str);
3683 /* [HGM] we switched variant. Translate boards if needed. */
3684 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3688 if (looking_at(buf, &i, "Move ")) {
3689 /* Beginning of a move list */
3690 switch (ics_getting_history) {
3692 /* Normally should not happen */
3693 /* Maybe user hit reset while we were parsing */
3696 /* Happens if we are ignoring a move list that is not
3697 * the one we just requested. Common if the user
3698 * tries to observe two games without turning off
3701 case H_GETTING_MOVES:
3702 /* Should not happen */
3703 DisplayError(_("Error gathering move list: nested"), 0);
3704 ics_getting_history = H_FALSE;
3706 case H_GOT_REQ_HEADER:
3707 ics_getting_history = H_GETTING_MOVES;
3708 started = STARTED_MOVES;
3710 if (oldi > next_out) {
3711 SendToPlayer(&buf[next_out], oldi - next_out);
3714 case H_GOT_UNREQ_HEADER:
3715 ics_getting_history = H_GETTING_MOVES;
3716 started = STARTED_MOVES_NOHIDE;
3719 case H_GOT_UNWANTED_HEADER:
3720 ics_getting_history = H_FALSE;
3726 if (looking_at(buf, &i, "% ") ||
3727 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3728 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3729 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3730 soughtPending = FALSE;
3734 if(suppressKibitz) next_out = i;
3735 savingComment = FALSE;
3739 case STARTED_MOVES_NOHIDE:
3740 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3741 parse[parse_pos + i - oldi] = NULLCHAR;
3742 ParseGameHistory(parse);
3744 if (appData.zippyPlay && first.initDone) {
3745 FeedMovesToProgram(&first, forwardMostMove);
3746 if (gameMode == IcsPlayingWhite) {
3747 if (WhiteOnMove(forwardMostMove)) {
3748 if (first.sendTime) {
3749 if (first.useColors) {
3750 SendToProgram("black\n", &first);
3752 SendTimeRemaining(&first, TRUE);
3754 if (first.useColors) {
3755 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3757 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3758 first.maybeThinking = TRUE;
3760 if (first.usePlayother) {
3761 if (first.sendTime) {
3762 SendTimeRemaining(&first, TRUE);
3764 SendToProgram("playother\n", &first);
3770 } else if (gameMode == IcsPlayingBlack) {
3771 if (!WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("white\n", &first);
3776 SendTimeRemaining(&first, FALSE);
3778 if (first.useColors) {
3779 SendToProgram("black\n", &first);
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, FALSE);
3788 SendToProgram("playother\n", &first);
3797 if (gameMode == IcsObserving && ics_gamenum == -1) {
3798 /* Moves came from oldmoves or moves command
3799 while we weren't doing anything else.
3801 currentMove = forwardMostMove;
3802 ClearHighlights();/*!!could figure this out*/
3803 flipView = appData.flipView;
3804 DrawPosition(TRUE, boards[currentMove]);
3805 DisplayBothClocks();
3806 snprintf(str, MSG_SIZ, "%s %s %s",
3807 gameInfo.white, _("vs."), gameInfo.black);
3811 /* Moves were history of an active game */
3812 if (gameInfo.resultDetails != NULL) {
3813 free(gameInfo.resultDetails);
3814 gameInfo.resultDetails = NULL;
3817 HistorySet(parseList, backwardMostMove,
3818 forwardMostMove, currentMove-1);
3819 DisplayMove(currentMove - 1);
3820 if (started == STARTED_MOVES) next_out = i;
3821 started = STARTED_NONE;
3822 ics_getting_history = H_FALSE;
3825 case STARTED_OBSERVE:
3826 started = STARTED_NONE;
3827 SendToICS(ics_prefix);
3828 SendToICS("refresh\n");
3834 if(bookHit) { // [HGM] book: simulate book reply
3835 static char bookMove[MSG_SIZ]; // a bit generous?
3837 programStats.nodes = programStats.depth = programStats.time =
3838 programStats.score = programStats.got_only_move = 0;
3839 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3841 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3842 strcat(bookMove, bookHit);
3843 HandleMachineMove(bookMove, &first);
3848 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3849 started == STARTED_HOLDINGS ||
3850 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3851 /* Accumulate characters in move list or board */
3852 parse[parse_pos++] = buf[i];
3855 /* Start of game messages. Mostly we detect start of game
3856 when the first board image arrives. On some versions
3857 of the ICS, though, we need to do a "refresh" after starting
3858 to observe in order to get the current board right away. */
3859 if (looking_at(buf, &i, "Adding game * to observation list")) {
3860 started = STARTED_OBSERVE;
3864 /* Handle auto-observe */
3865 if (appData.autoObserve &&
3866 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3867 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3869 /* Choose the player that was highlighted, if any. */
3870 if (star_match[0][0] == '\033' ||
3871 star_match[1][0] != '\033') {
3872 player = star_match[0];
3874 player = star_match[2];
3876 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3877 ics_prefix, StripHighlightAndTitle(player));
3880 /* Save ratings from notify string */
3881 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3882 player1Rating = string_to_rating(star_match[1]);
3883 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3884 player2Rating = string_to_rating(star_match[3]);
3886 if (appData.debugMode)
3888 "Ratings from 'Game notification:' %s %d, %s %d\n",
3889 player1Name, player1Rating,
3890 player2Name, player2Rating);
3895 /* Deal with automatic examine mode after a game,
3896 and with IcsObserving -> IcsExamining transition */
3897 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3898 looking_at(buf, &i, "has made you an examiner of game *")) {
3900 int gamenum = atoi(star_match[0]);
3901 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3902 gamenum == ics_gamenum) {
3903 /* We were already playing or observing this game;
3904 no need to refetch history */
3905 gameMode = IcsExamining;
3907 pauseExamForwardMostMove = forwardMostMove;
3908 } else if (currentMove < forwardMostMove) {
3909 ForwardInner(forwardMostMove);
3912 /* I don't think this case really can happen */
3913 SendToICS(ics_prefix);
3914 SendToICS("refresh\n");
3919 /* Error messages */
3920 // if (ics_user_moved) {
3921 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3922 if (looking_at(buf, &i, "Illegal move") ||
3923 looking_at(buf, &i, "Not a legal move") ||
3924 looking_at(buf, &i, "Your king is in check") ||
3925 looking_at(buf, &i, "It isn't your turn") ||
3926 looking_at(buf, &i, "It is not your move")) {
3928 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3929 currentMove = forwardMostMove-1;
3930 DisplayMove(currentMove - 1); /* before DMError */
3931 DrawPosition(FALSE, boards[currentMove]);
3932 SwitchClocks(forwardMostMove-1); // [HGM] race
3933 DisplayBothClocks();
3935 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3941 if (looking_at(buf, &i, "still have time") ||
3942 looking_at(buf, &i, "not out of time") ||
3943 looking_at(buf, &i, "either player is out of time") ||
3944 looking_at(buf, &i, "has timeseal; checking")) {
3945 /* We must have called his flag a little too soon */
3946 whiteFlag = blackFlag = FALSE;
3950 if (looking_at(buf, &i, "added * seconds to") ||
3951 looking_at(buf, &i, "seconds were added to")) {
3952 /* Update the clocks */
3953 SendToICS(ics_prefix);
3954 SendToICS("refresh\n");
3958 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3959 ics_clock_paused = TRUE;
3964 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3965 ics_clock_paused = FALSE;
3970 /* Grab player ratings from the Creating: message.
3971 Note we have to check for the special case when
3972 the ICS inserts things like [white] or [black]. */
3973 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3974 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3976 0 player 1 name (not necessarily white)
3978 2 empty, white, or black (IGNORED)
3979 3 player 2 name (not necessarily black)
3982 The names/ratings are sorted out when the game
3983 actually starts (below).
3985 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3986 player1Rating = string_to_rating(star_match[1]);
3987 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3988 player2Rating = string_to_rating(star_match[4]);
3990 if (appData.debugMode)
3992 "Ratings from 'Creating:' %s %d, %s %d\n",
3993 player1Name, player1Rating,
3994 player2Name, player2Rating);
3999 /* Improved generic start/end-of-game messages */
4000 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4001 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4002 /* If tkind == 0: */
4003 /* star_match[0] is the game number */
4004 /* [1] is the white player's name */
4005 /* [2] is the black player's name */
4006 /* For end-of-game: */
4007 /* [3] is the reason for the game end */
4008 /* [4] is a PGN end game-token, preceded by " " */
4009 /* For start-of-game: */
4010 /* [3] begins with "Creating" or "Continuing" */
4011 /* [4] is " *" or empty (don't care). */
4012 int gamenum = atoi(star_match[0]);
4013 char *whitename, *blackname, *why, *endtoken;
4014 ChessMove endtype = EndOfFile;
4017 whitename = star_match[1];
4018 blackname = star_match[2];
4019 why = star_match[3];
4020 endtoken = star_match[4];
4022 whitename = star_match[1];
4023 blackname = star_match[3];
4024 why = star_match[5];
4025 endtoken = star_match[6];
4028 /* Game start messages */
4029 if (strncmp(why, "Creating ", 9) == 0 ||
4030 strncmp(why, "Continuing ", 11) == 0) {
4031 gs_gamenum = gamenum;
4032 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4033 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4034 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4036 if (appData.zippyPlay) {
4037 ZippyGameStart(whitename, blackname);
4040 partnerBoardValid = FALSE; // [HGM] bughouse
4044 /* Game end messages */
4045 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4046 ics_gamenum != gamenum) {
4049 while (endtoken[0] == ' ') endtoken++;
4050 switch (endtoken[0]) {
4053 endtype = GameUnfinished;
4056 endtype = BlackWins;
4059 if (endtoken[1] == '/')
4060 endtype = GameIsDrawn;
4062 endtype = WhiteWins;
4065 GameEnds(endtype, why, GE_ICS);
4067 if (appData.zippyPlay && first.initDone) {
4068 ZippyGameEnd(endtype, why);
4069 if (first.pr == NoProc) {
4070 /* Start the next process early so that we'll
4071 be ready for the next challenge */
4072 StartChessProgram(&first);
4074 /* Send "new" early, in case this command takes
4075 a long time to finish, so that we'll be ready
4076 for the next challenge. */
4077 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4081 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4085 if (looking_at(buf, &i, "Removing game * from observation") ||
4086 looking_at(buf, &i, "no longer observing game *") ||
4087 looking_at(buf, &i, "Game * (*) has no examiners")) {
4088 if (gameMode == IcsObserving &&
4089 atoi(star_match[0]) == ics_gamenum)
4091 /* icsEngineAnalyze */
4092 if (appData.icsEngineAnalyze) {
4099 ics_user_moved = FALSE;
4104 if (looking_at(buf, &i, "no longer examining game *")) {
4105 if (gameMode == IcsExamining &&
4106 atoi(star_match[0]) == ics_gamenum)
4110 ics_user_moved = FALSE;
4115 /* Advance leftover_start past any newlines we find,
4116 so only partial lines can get reparsed */
4117 if (looking_at(buf, &i, "\n")) {
4118 prevColor = curColor;
4119 if (curColor != ColorNormal) {
4120 if (oldi > next_out) {
4121 SendToPlayer(&buf[next_out], oldi - next_out);
4124 Colorize(ColorNormal, FALSE);
4125 curColor = ColorNormal;
4127 if (started == STARTED_BOARD) {
4128 started = STARTED_NONE;
4129 parse[parse_pos] = NULLCHAR;
4130 ParseBoard12(parse);
4133 /* Send premove here */
4134 if (appData.premove) {
4136 if (currentMove == 0 &&
4137 gameMode == IcsPlayingWhite &&
4138 appData.premoveWhite) {
4139 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4140 if (appData.debugMode)
4141 fprintf(debugFP, "Sending premove:\n");
4143 } else if (currentMove == 1 &&
4144 gameMode == IcsPlayingBlack &&
4145 appData.premoveBlack) {
4146 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4147 if (appData.debugMode)
4148 fprintf(debugFP, "Sending premove:\n");
4150 } else if (gotPremove) {
4152 ClearPremoveHighlights();
4153 if (appData.debugMode)
4154 fprintf(debugFP, "Sending premove:\n");
4155 UserMoveEvent(premoveFromX, premoveFromY,
4156 premoveToX, premoveToY,
4161 /* Usually suppress following prompt */
4162 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4163 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4164 if (looking_at(buf, &i, "*% ")) {
4165 savingComment = FALSE;
4170 } else if (started == STARTED_HOLDINGS) {
4172 char new_piece[MSG_SIZ];
4173 started = STARTED_NONE;
4174 parse[parse_pos] = NULLCHAR;
4175 if (appData.debugMode)
4176 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4177 parse, currentMove);
4178 if (sscanf(parse, " game %d", &gamenum) == 1) {
4179 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4180 if (gameInfo.variant == VariantNormal) {
4181 /* [HGM] We seem to switch variant during a game!
4182 * Presumably no holdings were displayed, so we have
4183 * to move the position two files to the right to
4184 * create room for them!
4186 VariantClass newVariant;
4187 switch(gameInfo.boardWidth) { // base guess on board width
4188 case 9: newVariant = VariantShogi; break;
4189 case 10: newVariant = VariantGreat; break;
4190 default: newVariant = VariantCrazyhouse; break;
4192 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4193 /* Get a move list just to see the header, which
4194 will tell us whether this is really bug or zh */
4195 if (ics_getting_history == H_FALSE) {
4196 ics_getting_history = H_REQUESTED;
4197 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4201 new_piece[0] = NULLCHAR;
4202 sscanf(parse, "game %d white [%s black [%s <- %s",
4203 &gamenum, white_holding, black_holding,
4205 white_holding[strlen(white_holding)-1] = NULLCHAR;
4206 black_holding[strlen(black_holding)-1] = NULLCHAR;
4207 /* [HGM] copy holdings to board holdings area */
4208 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4209 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4210 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4212 if (appData.zippyPlay && first.initDone) {
4213 ZippyHoldings(white_holding, black_holding,
4217 if (tinyLayout || smallLayout) {
4218 char wh[16], bh[16];
4219 PackHolding(wh, white_holding);
4220 PackHolding(bh, black_holding);
4221 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4222 gameInfo.white, gameInfo.black);
4224 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4225 gameInfo.white, white_holding, _("vs."),
4226 gameInfo.black, black_holding);
4228 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4229 DrawPosition(FALSE, boards[currentMove]);
4231 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to partner-board holdings area */
4238 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4239 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4245 /* Suppress following prompt */
4246 if (looking_at(buf, &i, "*% ")) {
4247 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4248 savingComment = FALSE;
4256 i++; /* skip unparsed character and loop back */
4259 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4260 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4261 // SendToPlayer(&buf[next_out], i - next_out);
4262 started != STARTED_HOLDINGS && leftover_start > next_out) {
4263 SendToPlayer(&buf[next_out], leftover_start - next_out);
4267 leftover_len = buf_len - leftover_start;
4268 /* if buffer ends with something we couldn't parse,
4269 reparse it after appending the next read */
4271 } else if (count == 0) {
4272 RemoveInputSource(isr);
4273 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4275 DisplayFatalError(_("Error reading from ICS"), error, 1);
4280 /* Board style 12 looks like this:
4282 <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
4284 * The "<12> " is stripped before it gets to this routine. The two
4285 * trailing 0's (flip state and clock ticking) are later addition, and
4286 * some chess servers may not have them, or may have only the first.
4287 * Additional trailing fields may be added in the future.
4290 #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"
4292 #define RELATION_OBSERVING_PLAYED 0
4293 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4294 #define RELATION_PLAYING_MYMOVE 1
4295 #define RELATION_PLAYING_NOTMYMOVE -1
4296 #define RELATION_EXAMINING 2
4297 #define RELATION_ISOLATED_BOARD -3
4298 #define RELATION_STARTING_POSITION -4 /* FICS only */
4301 ParseBoard12 (char *string)
4305 char *bookHit = NULL; // [HGM] book
4307 GameMode newGameMode;
4308 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4309 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4310 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4311 char to_play, board_chars[200];
4312 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4313 char black[32], white[32];
4315 int prevMove = currentMove;
4318 int fromX, fromY, toX, toY;
4320 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4321 Boolean weird = FALSE, reqFlag = FALSE;
4323 fromX = fromY = toX = toY = -1;
4327 if (appData.debugMode)
4328 fprintf(debugFP, "Parsing board: %s\n", string);
4330 move_str[0] = NULLCHAR;
4331 elapsed_time[0] = NULLCHAR;
4332 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4334 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4335 if(string[i] == ' ') { ranks++; files = 0; }
4337 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4340 for(j = 0; j <i; j++) board_chars[j] = string[j];
4341 board_chars[i] = '\0';
4344 n = sscanf(string, PATTERN, &to_play, &double_push,
4345 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4346 &gamenum, white, black, &relation, &basetime, &increment,
4347 &white_stren, &black_stren, &white_time, &black_time,
4348 &moveNum, str, elapsed_time, move_str, &ics_flip,
4352 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4353 DisplayError(str, 0);
4357 /* Convert the move number to internal form */
4358 moveNum = (moveNum - 1) * 2;
4359 if (to_play == 'B') moveNum++;
4360 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4361 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4367 case RELATION_OBSERVING_PLAYED:
4368 case RELATION_OBSERVING_STATIC:
4369 if (gamenum == -1) {
4370 /* Old ICC buglet */
4371 relation = RELATION_OBSERVING_STATIC;
4373 newGameMode = IcsObserving;
4375 case RELATION_PLAYING_MYMOVE:
4376 case RELATION_PLAYING_NOTMYMOVE:
4378 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4379 IcsPlayingWhite : IcsPlayingBlack;
4380 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4382 case RELATION_EXAMINING:
4383 newGameMode = IcsExamining;
4385 case RELATION_ISOLATED_BOARD:
4387 /* Just display this board. If user was doing something else,
4388 we will forget about it until the next board comes. */
4389 newGameMode = IcsIdle;
4391 case RELATION_STARTING_POSITION:
4392 newGameMode = gameMode;
4396 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4397 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4398 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4399 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4400 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4401 static int lastBgGame = -1;
4403 for (k = 0; k < ranks; k++) {
4404 for (j = 0; j < files; j++)
4405 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4406 if(gameInfo.holdingsWidth > 1) {
4407 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4408 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4411 CopyBoard(partnerBoard, board);
4412 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4413 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4414 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4415 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4416 if(toSqr = strchr(str, '-')) {
4417 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4418 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4419 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4420 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4421 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4422 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4424 DisplayWhiteClock(white_time*fac, to_play == 'W');
4425 DisplayBlackClock(black_time*fac, to_play != 'W');
4426 activePartner = to_play;
4427 if(gamenum != lastBgGame) {
4429 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4432 lastBgGame = gamenum;
4433 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4434 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4435 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4436 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4437 if(!twoBoards) DisplayMessage(partnerStatus, "");
4438 partnerBoardValid = TRUE;
4442 if(appData.dualBoard && appData.bgObserve) {
4443 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4444 SendToICS(ics_prefix), SendToICS("pobserve\n");
4445 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4447 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4452 /* Modify behavior for initial board display on move listing
4455 switch (ics_getting_history) {
4459 case H_GOT_REQ_HEADER:
4460 case H_GOT_UNREQ_HEADER:
4461 /* This is the initial position of the current game */
4462 gamenum = ics_gamenum;
4463 moveNum = 0; /* old ICS bug workaround */
4464 if (to_play == 'B') {
4465 startedFromSetupPosition = TRUE;
4466 blackPlaysFirst = TRUE;
4468 if (forwardMostMove == 0) forwardMostMove = 1;
4469 if (backwardMostMove == 0) backwardMostMove = 1;
4470 if (currentMove == 0) currentMove = 1;
4472 newGameMode = gameMode;
4473 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4475 case H_GOT_UNWANTED_HEADER:
4476 /* This is an initial board that we don't want */
4478 case H_GETTING_MOVES:
4479 /* Should not happen */
4480 DisplayError(_("Error gathering move list: extra board"), 0);
4481 ics_getting_history = H_FALSE;
4485 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4486 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4487 weird && (int)gameInfo.variant < (int)VariantShogi) {
4488 /* [HGM] We seem to have switched variant unexpectedly
4489 * Try to guess new variant from board size
4491 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4492 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4493 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4494 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4495 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4496 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4497 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4498 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4499 /* Get a move list just to see the header, which
4500 will tell us whether this is really bug or zh */
4501 if (ics_getting_history == H_FALSE) {
4502 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4503 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4508 /* Take action if this is the first board of a new game, or of a
4509 different game than is currently being displayed. */
4510 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4511 relation == RELATION_ISOLATED_BOARD) {
4513 /* Forget the old game and get the history (if any) of the new one */
4514 if (gameMode != BeginningOfGame) {
4518 if (appData.autoRaiseBoard) BoardToTop();
4520 if (gamenum == -1) {
4521 newGameMode = IcsIdle;
4522 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4523 appData.getMoveList && !reqFlag) {
4524 /* Need to get game history */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4530 /* Initially flip the board to have black on the bottom if playing
4531 black or if the ICS flip flag is set, but let the user change
4532 it with the Flip View button. */
4533 flipView = appData.autoFlipView ?
4534 (newGameMode == IcsPlayingBlack) || ics_flip :
4537 /* Done with values from previous mode; copy in new ones */
4538 gameMode = newGameMode;
4540 ics_gamenum = gamenum;
4541 if (gamenum == gs_gamenum) {
4542 int klen = strlen(gs_kind);
4543 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4544 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4545 gameInfo.event = StrSave(str);
4547 gameInfo.event = StrSave("ICS game");
4549 gameInfo.site = StrSave(appData.icsHost);
4550 gameInfo.date = PGNDate();
4551 gameInfo.round = StrSave("-");
4552 gameInfo.white = StrSave(white);
4553 gameInfo.black = StrSave(black);
4554 timeControl = basetime * 60 * 1000;
4556 timeIncrement = increment * 1000;
4557 movesPerSession = 0;
4558 gameInfo.timeControl = TimeControlTagValue();
4559 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4560 if (appData.debugMode) {
4561 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4562 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4563 setbuf(debugFP, NULL);
4566 gameInfo.outOfBook = NULL;
4568 /* Do we have the ratings? */
4569 if (strcmp(player1Name, white) == 0 &&
4570 strcmp(player2Name, black) == 0) {
4571 if (appData.debugMode)
4572 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4573 player1Rating, player2Rating);
4574 gameInfo.whiteRating = player1Rating;
4575 gameInfo.blackRating = player2Rating;
4576 } else if (strcmp(player2Name, white) == 0 &&
4577 strcmp(player1Name, black) == 0) {
4578 if (appData.debugMode)
4579 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4580 player2Rating, player1Rating);
4581 gameInfo.whiteRating = player2Rating;
4582 gameInfo.blackRating = player1Rating;
4584 player1Name[0] = player2Name[0] = NULLCHAR;
4586 /* Silence shouts if requested */
4587 if (appData.quietPlay &&
4588 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4589 SendToICS(ics_prefix);
4590 SendToICS("set shout 0\n");
4594 /* Deal with midgame name changes */
4596 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4597 if (gameInfo.white) free(gameInfo.white);
4598 gameInfo.white = StrSave(white);
4600 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4601 if (gameInfo.black) free(gameInfo.black);
4602 gameInfo.black = StrSave(black);
4606 /* Throw away game result if anything actually changes in examine mode */
4607 if (gameMode == IcsExamining && !newGame) {
4608 gameInfo.result = GameUnfinished;
4609 if (gameInfo.resultDetails != NULL) {
4610 free(gameInfo.resultDetails);
4611 gameInfo.resultDetails = NULL;
4615 /* In pausing && IcsExamining mode, we ignore boards coming
4616 in if they are in a different variation than we are. */
4617 if (pauseExamInvalid) return;
4618 if (pausing && gameMode == IcsExamining) {
4619 if (moveNum <= pauseExamForwardMostMove) {
4620 pauseExamInvalid = TRUE;
4621 forwardMostMove = pauseExamForwardMostMove;
4626 if (appData.debugMode) {
4627 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4629 /* Parse the board */
4630 for (k = 0; k < ranks; k++) {
4631 for (j = 0; j < files; j++)
4632 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4633 if(gameInfo.holdingsWidth > 1) {
4634 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4635 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4638 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4639 board[5][BOARD_RGHT+1] = WhiteAngel;
4640 board[6][BOARD_RGHT+1] = WhiteMarshall;
4641 board[1][0] = BlackMarshall;
4642 board[2][0] = BlackAngel;
4643 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4645 CopyBoard(boards[moveNum], board);
4646 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4648 startedFromSetupPosition =
4649 !CompareBoards(board, initialPosition);
4650 if(startedFromSetupPosition)
4651 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4654 /* [HGM] Set castling rights. Take the outermost Rooks,
4655 to make it also work for FRC opening positions. Note that board12
4656 is really defective for later FRC positions, as it has no way to
4657 indicate which Rook can castle if they are on the same side of King.
4658 For the initial position we grant rights to the outermost Rooks,
4659 and remember thos rights, and we then copy them on positions
4660 later in an FRC game. This means WB might not recognize castlings with
4661 Rooks that have moved back to their original position as illegal,
4662 but in ICS mode that is not its job anyway.
4664 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4665 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4667 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4668 if(board[0][i] == WhiteRook) j = i;
4669 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4670 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4671 if(board[0][i] == WhiteRook) j = i;
4672 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4673 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4674 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4675 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4676 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4677 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4678 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4680 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4681 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4682 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4683 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4684 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4685 if(board[BOARD_HEIGHT-1][k] == bKing)
4686 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4687 if(gameInfo.variant == VariantTwoKings) {
4688 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4689 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4690 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4693 r = boards[moveNum][CASTLING][0] = initialRights[0];
4694 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4695 r = boards[moveNum][CASTLING][1] = initialRights[1];
4696 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4697 r = boards[moveNum][CASTLING][3] = initialRights[3];
4698 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4699 r = boards[moveNum][CASTLING][4] = initialRights[4];
4700 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4701 /* wildcastle kludge: always assume King has rights */
4702 r = boards[moveNum][CASTLING][2] = initialRights[2];
4703 r = boards[moveNum][CASTLING][5] = initialRights[5];
4705 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4706 boards[moveNum][EP_STATUS] = EP_NONE;
4707 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4708 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4709 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4712 if (ics_getting_history == H_GOT_REQ_HEADER ||
4713 ics_getting_history == H_GOT_UNREQ_HEADER) {
4714 /* This was an initial position from a move list, not
4715 the current position */
4719 /* Update currentMove and known move number limits */
4720 newMove = newGame || moveNum > forwardMostMove;
4723 forwardMostMove = backwardMostMove = currentMove = moveNum;
4724 if (gameMode == IcsExamining && moveNum == 0) {
4725 /* Workaround for ICS limitation: we are not told the wild
4726 type when starting to examine a game. But if we ask for
4727 the move list, the move list header will tell us */
4728 ics_getting_history = H_REQUESTED;
4729 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4732 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4733 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4735 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4736 /* [HGM] applied this also to an engine that is silently watching */
4737 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4738 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4739 gameInfo.variant == currentlyInitializedVariant) {
4740 takeback = forwardMostMove - moveNum;
4741 for (i = 0; i < takeback; i++) {
4742 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4743 SendToProgram("undo\n", &first);
4748 forwardMostMove = moveNum;
4749 if (!pausing || currentMove > forwardMostMove)
4750 currentMove = forwardMostMove;
4752 /* New part of history that is not contiguous with old part */
4753 if (pausing && gameMode == IcsExamining) {
4754 pauseExamInvalid = TRUE;
4755 forwardMostMove = pauseExamForwardMostMove;
4758 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4760 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4761 // [HGM] when we will receive the move list we now request, it will be
4762 // fed to the engine from the first move on. So if the engine is not
4763 // in the initial position now, bring it there.
4764 InitChessProgram(&first, 0);
4767 ics_getting_history = H_REQUESTED;
4768 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4771 forwardMostMove = backwardMostMove = currentMove = moveNum;
4774 /* Update the clocks */
4775 if (strchr(elapsed_time, '.')) {
4777 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4778 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4780 /* Time is in seconds */
4781 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4782 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4787 if (appData.zippyPlay && newGame &&
4788 gameMode != IcsObserving && gameMode != IcsIdle &&
4789 gameMode != IcsExamining)
4790 ZippyFirstBoard(moveNum, basetime, increment);
4793 /* Put the move on the move list, first converting
4794 to canonical algebraic form. */
4796 if (appData.debugMode) {
4797 int f = forwardMostMove;
4798 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4799 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4800 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4801 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4802 fprintf(debugFP, "moveNum = %d\n", moveNum);
4803 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4804 setbuf(debugFP, NULL);
4806 if (moveNum <= backwardMostMove) {
4807 /* We don't know what the board looked like before
4809 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4810 strcat(parseList[moveNum - 1], " ");
4811 strcat(parseList[moveNum - 1], elapsed_time);
4812 moveList[moveNum - 1][0] = NULLCHAR;
4813 } else if (strcmp(move_str, "none") == 0) {
4814 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4815 /* Again, we don't know what the board looked like;
4816 this is really the start of the game. */
4817 parseList[moveNum - 1][0] = NULLCHAR;
4818 moveList[moveNum - 1][0] = NULLCHAR;
4819 backwardMostMove = moveNum;
4820 startedFromSetupPosition = TRUE;
4821 fromX = fromY = toX = toY = -1;
4823 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4824 // So we parse the long-algebraic move string in stead of the SAN move
4825 int valid; char buf[MSG_SIZ], *prom;
4827 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4828 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4829 // str looks something like "Q/a1-a2"; kill the slash
4831 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4832 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4833 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4834 strcat(buf, prom); // long move lacks promo specification!
4835 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4836 if(appData.debugMode)
4837 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4838 safeStrCpy(move_str, buf, MSG_SIZ);
4840 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4841 &fromX, &fromY, &toX, &toY, &promoChar)
4842 || ParseOneMove(buf, moveNum - 1, &moveType,
4843 &fromX, &fromY, &toX, &toY, &promoChar);
4844 // end of long SAN patch
4846 (void) CoordsToAlgebraic(boards[moveNum - 1],
4847 PosFlags(moveNum - 1),
4848 fromY, fromX, toY, toX, promoChar,
4849 parseList[moveNum-1]);
4850 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4856 if(!IS_SHOGI(gameInfo.variant))
4857 strcat(parseList[moveNum - 1], "+");
4860 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4861 strcat(parseList[moveNum - 1], "#");
4864 strcat(parseList[moveNum - 1], " ");
4865 strcat(parseList[moveNum - 1], elapsed_time);
4866 /* currentMoveString is set as a side-effect of ParseOneMove */
4867 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4868 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4869 strcat(moveList[moveNum - 1], "\n");
4871 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4872 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4873 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4874 ChessSquare old, new = boards[moveNum][k][j];
4875 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4876 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4877 if(old == new) continue;
4878 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4879 else if(new == WhiteWazir || new == BlackWazir) {
4880 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4881 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4882 else boards[moveNum][k][j] = old; // preserve type of Gold
4883 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4884 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4887 /* Move from ICS was illegal!? Punt. */
4888 if (appData.debugMode) {
4889 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4890 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4892 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4893 strcat(parseList[moveNum - 1], " ");
4894 strcat(parseList[moveNum - 1], elapsed_time);
4895 moveList[moveNum - 1][0] = NULLCHAR;
4896 fromX = fromY = toX = toY = -1;
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4901 setbuf(debugFP, NULL);
4905 /* Send move to chess program (BEFORE animating it). */
4906 if (appData.zippyPlay && !newGame && newMove &&
4907 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4909 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4910 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4911 if (moveList[moveNum - 1][0] == NULLCHAR) {
4912 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4914 DisplayError(str, 0);
4916 if (first.sendTime) {
4917 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4919 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4920 if (firstMove && !bookHit) {
4922 if (first.useColors) {
4923 SendToProgram(gameMode == IcsPlayingWhite ?
4925 "black\ngo\n", &first);
4927 SendToProgram("go\n", &first);
4929 first.maybeThinking = TRUE;
4932 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4933 if (moveList[moveNum - 1][0] == NULLCHAR) {
4934 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4935 DisplayError(str, 0);
4937 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4938 SendMoveToProgram(moveNum - 1, &first);
4945 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4946 /* If move comes from a remote source, animate it. If it
4947 isn't remote, it will have already been animated. */
4948 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4949 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4951 if (!pausing && appData.highlightLastMove) {
4952 SetHighlights(fromX, fromY, toX, toY);
4956 /* Start the clocks */
4957 whiteFlag = blackFlag = FALSE;
4958 appData.clockMode = !(basetime == 0 && increment == 0);
4960 ics_clock_paused = TRUE;
4962 } else if (ticking == 1) {
4963 ics_clock_paused = FALSE;
4965 if (gameMode == IcsIdle ||
4966 relation == RELATION_OBSERVING_STATIC ||
4967 relation == RELATION_EXAMINING ||
4969 DisplayBothClocks();
4973 /* Display opponents and material strengths */
4974 if (gameInfo.variant != VariantBughouse &&
4975 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4976 if (tinyLayout || smallLayout) {
4977 if(gameInfo.variant == VariantNormal)
4978 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4979 gameInfo.white, white_stren, gameInfo.black, black_stren,
4980 basetime, increment);
4982 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4983 gameInfo.white, white_stren, gameInfo.black, black_stren,
4984 basetime, increment, (int) gameInfo.variant);
4986 if(gameInfo.variant == VariantNormal)
4987 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4988 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4989 basetime, increment);
4991 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4992 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4993 basetime, increment, VariantName(gameInfo.variant));
4996 if (appData.debugMode) {
4997 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5002 /* Display the board */
5003 if (!pausing && !appData.noGUI) {
5005 if (appData.premove)
5007 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5008 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5009 ClearPremoveHighlights();
5011 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5012 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5013 DrawPosition(j, boards[currentMove]);
5015 DisplayMove(moveNum - 1);
5016 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5017 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5018 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5019 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5025 if(bookHit) { // [HGM] book: simulate book reply
5026 static char bookMove[MSG_SIZ]; // a bit generous?
5028 programStats.nodes = programStats.depth = programStats.time =
5029 programStats.score = programStats.got_only_move = 0;
5030 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5032 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5033 strcat(bookMove, bookHit);
5034 HandleMachineMove(bookMove, &first);
5043 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5044 ics_getting_history = H_REQUESTED;
5045 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5051 SendToBoth (char *msg)
5052 { // to make it easy to keep two engines in step in dual analysis
5053 SendToProgram(msg, &first);
5054 if(second.analyzing) SendToProgram(msg, &second);
5058 AnalysisPeriodicEvent (int force)
5060 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5061 && !force) || !appData.periodicUpdates)
5064 /* Send . command to Crafty to collect stats */
5067 /* Don't send another until we get a response (this makes
5068 us stop sending to old Crafty's which don't understand
5069 the "." command (sending illegal cmds resets node count & time,
5070 which looks bad)) */
5071 programStats.ok_to_send = 0;
5075 ics_update_width (int new_width)
5077 ics_printf("set width %d\n", new_width);
5081 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5085 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5086 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5087 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5088 SendToProgram(buf, cps);
5091 // null move in variant where engine does not understand it (for analysis purposes)
5092 SendBoard(cps, moveNum + 1); // send position after move in stead.
5095 if (cps->useUsermove) {
5096 SendToProgram("usermove ", cps);
5100 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5101 int len = space - parseList[moveNum];
5102 memcpy(buf, parseList[moveNum], len);
5104 buf[len] = NULLCHAR;
5106 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5108 SendToProgram(buf, cps);
5110 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5111 AlphaRank(moveList[moveNum], 4);
5112 SendToProgram(moveList[moveNum], cps);
5113 AlphaRank(moveList[moveNum], 4); // and back
5115 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5116 * the engine. It would be nice to have a better way to identify castle
5118 if(appData.fischerCastling && cps->useOOCastle) {
5119 int fromX = moveList[moveNum][0] - AAA;
5120 int fromY = moveList[moveNum][1] - ONE;
5121 int toX = moveList[moveNum][2] - AAA;
5122 int toY = moveList[moveNum][3] - ONE;
5123 if((boards[moveNum][fromY][fromX] == WhiteKing
5124 && boards[moveNum][toY][toX] == WhiteRook)
5125 || (boards[moveNum][fromY][fromX] == BlackKing
5126 && boards[moveNum][toY][toX] == BlackRook)) {
5127 if(toX > fromX) SendToProgram("O-O\n", cps);
5128 else SendToProgram("O-O-O\n", cps);
5130 else SendToProgram(moveList[moveNum], cps);
5132 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5133 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5134 moveList[moveNum][5], moveList[moveNum][6] - '0',
5135 moveList[moveNum][5], moveList[moveNum][6] - '0',
5136 moveList[moveNum][2], moveList[moveNum][3] - '0');
5137 SendToProgram(buf, cps);
5139 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5140 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5141 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5142 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5143 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5145 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5146 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5147 SendToProgram(buf, cps);
5149 else SendToProgram(moveList[moveNum], cps);
5150 /* End of additions by Tord */
5153 /* [HGM] setting up the opening has brought engine in force mode! */
5154 /* Send 'go' if we are in a mode where machine should play. */
5155 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5156 (gameMode == TwoMachinesPlay ||
5158 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5160 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5161 SendToProgram("go\n", cps);
5162 if (appData.debugMode) {
5163 fprintf(debugFP, "(extra)\n");
5166 setboardSpoiledMachineBlack = 0;
5170 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5172 char user_move[MSG_SIZ];
5175 if(gameInfo.variant == VariantSChess && promoChar) {
5176 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5177 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5178 } else suffix[0] = NULLCHAR;
5182 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5183 (int)moveType, fromX, fromY, toX, toY);
5184 DisplayError(user_move + strlen("say "), 0);
5186 case WhiteKingSideCastle:
5187 case BlackKingSideCastle:
5188 case WhiteQueenSideCastleWild:
5189 case BlackQueenSideCastleWild:
5191 case WhiteHSideCastleFR:
5192 case BlackHSideCastleFR:
5194 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5196 case WhiteQueenSideCastle:
5197 case BlackQueenSideCastle:
5198 case WhiteKingSideCastleWild:
5199 case BlackKingSideCastleWild:
5201 case WhiteASideCastleFR:
5202 case BlackASideCastleFR:
5204 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5206 case WhiteNonPromotion:
5207 case BlackNonPromotion:
5208 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5210 case WhitePromotion:
5211 case BlackPromotion:
5212 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5213 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5214 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5215 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5216 PieceToChar(WhiteFerz));
5217 else if(gameInfo.variant == VariantGreat)
5218 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5219 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5220 PieceToChar(WhiteMan));
5222 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5223 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5229 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5230 ToUpper(PieceToChar((ChessSquare) fromX)),
5231 AAA + toX, ONE + toY);
5233 case IllegalMove: /* could be a variant we don't quite understand */
5234 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5239 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5242 SendToICS(user_move);
5243 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5244 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5249 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5250 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5251 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5252 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5253 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5256 if(gameMode != IcsExamining) { // is this ever not the case?
5257 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5259 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5260 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5261 } else { // on FICS we must first go to general examine mode
5262 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5264 if(gameInfo.variant != VariantNormal) {
5265 // try figure out wild number, as xboard names are not always valid on ICS
5266 for(i=1; i<=36; i++) {
5267 snprintf(buf, MSG_SIZ, "wild/%d", i);
5268 if(StringToVariant(buf) == gameInfo.variant) break;
5270 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5271 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5272 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5273 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5274 SendToICS(ics_prefix);
5276 if(startedFromSetupPosition || backwardMostMove != 0) {
5277 fen = PositionToFEN(backwardMostMove, NULL, 1);
5278 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5279 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5281 } else { // FICS: everything has to set by separate bsetup commands
5282 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5283 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5285 if(!WhiteOnMove(backwardMostMove)) {
5286 SendToICS("bsetup tomove black\n");
5288 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5289 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5291 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5292 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5294 i = boards[backwardMostMove][EP_STATUS];
5295 if(i >= 0) { // set e.p.
5296 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5302 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5303 SendToICS("bsetup done\n"); // switch to normal examining.
5305 for(i = backwardMostMove; i<last; i++) {
5307 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5308 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5309 int len = strlen(moveList[i]);
5310 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5311 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5315 SendToICS(ics_prefix);
5316 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5319 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5322 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5324 if (rf == DROP_RANK) {
5325 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5326 sprintf(move, "%c@%c%c\n",
5327 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5329 if (promoChar == 'x' || promoChar == NULLCHAR) {
5330 sprintf(move, "%c%c%c%c\n",
5331 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5332 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5334 sprintf(move, "%c%c%c%c%c\n",
5335 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5341 ProcessICSInitScript (FILE *f)
5345 while (fgets(buf, MSG_SIZ, f)) {
5346 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5353 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5355 static ClickType lastClickType;
5358 Partner (ChessSquare *p)
5359 { // change piece into promotion partner if one shogi-promotes to the other
5360 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5361 ChessSquare partner;
5362 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5363 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5371 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5372 static int toggleFlag;
5373 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5374 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5375 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5376 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5377 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5378 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5380 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5381 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5382 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5383 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5384 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5385 if(!step) step = -1;
5386 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5387 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5388 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5389 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5391 int victim = boards[currentMove][toY][toX];
5392 boards[currentMove][toY][toX] = promoSweep;
5393 DrawPosition(FALSE, boards[currentMove]);
5394 boards[currentMove][toY][toX] = victim;
5396 ChangeDragPiece(promoSweep);
5400 PromoScroll (int x, int y)
5404 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5405 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5406 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5407 if(!step) return FALSE;
5408 lastX = x; lastY = y;
5409 if((promoSweep < BlackPawn) == flipView) step = -step;
5410 if(step > 0) selectFlag = 1;
5411 if(!selectFlag) Sweep(step);
5416 NextPiece (int step)
5418 ChessSquare piece = boards[currentMove][toY][toX];
5421 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5422 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5423 if(!step) step = -1;
5424 } while(PieceToChar(pieceSweep) == '.');
5425 boards[currentMove][toY][toX] = pieceSweep;
5426 DrawPosition(FALSE, boards[currentMove]);
5427 boards[currentMove][toY][toX] = piece;
5429 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5431 AlphaRank (char *move, int n)
5433 // char *p = move, c; int x, y;
5435 if (appData.debugMode) {
5436 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5440 move[2]>='0' && move[2]<='9' &&
5441 move[3]>='a' && move[3]<='x' ) {
5443 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5444 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5446 if(move[0]>='0' && move[0]<='9' &&
5447 move[1]>='a' && move[1]<='x' &&
5448 move[2]>='0' && move[2]<='9' &&
5449 move[3]>='a' && move[3]<='x' ) {
5450 /* input move, Shogi -> normal */
5451 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5452 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5453 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5454 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5457 move[3]>='0' && move[3]<='9' &&
5458 move[2]>='a' && move[2]<='x' ) {
5460 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5461 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5464 move[0]>='a' && move[0]<='x' &&
5465 move[3]>='0' && move[3]<='9' &&
5466 move[2]>='a' && move[2]<='x' ) {
5467 /* output move, normal -> Shogi */
5468 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5469 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5470 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5471 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5472 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5474 if (appData.debugMode) {
5475 fprintf(debugFP, " out = '%s'\n", move);
5479 char yy_textstr[8000];
5481 /* Parser for moves from gnuchess, ICS, or user typein box */
5483 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5485 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5487 switch (*moveType) {
5488 case WhitePromotion:
5489 case BlackPromotion:
5490 case WhiteNonPromotion:
5491 case BlackNonPromotion:
5494 case WhiteCapturesEnPassant:
5495 case BlackCapturesEnPassant:
5496 case WhiteKingSideCastle:
5497 case WhiteQueenSideCastle:
5498 case BlackKingSideCastle:
5499 case BlackQueenSideCastle:
5500 case WhiteKingSideCastleWild:
5501 case WhiteQueenSideCastleWild:
5502 case BlackKingSideCastleWild:
5503 case BlackQueenSideCastleWild:
5504 /* Code added by Tord: */
5505 case WhiteHSideCastleFR:
5506 case WhiteASideCastleFR:
5507 case BlackHSideCastleFR:
5508 case BlackASideCastleFR:
5509 /* End of code added by Tord */
5510 case IllegalMove: /* bug or odd chess variant */
5511 *fromX = currentMoveString[0] - AAA;
5512 *fromY = currentMoveString[1] - ONE;
5513 *toX = currentMoveString[2] - AAA;
5514 *toY = currentMoveString[3] - ONE;
5515 *promoChar = currentMoveString[4];
5516 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5517 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5518 if (appData.debugMode) {
5519 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5521 *fromX = *fromY = *toX = *toY = 0;
5524 if (appData.testLegality) {
5525 return (*moveType != IllegalMove);
5527 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5528 // [HGM] lion: if this is a double move we are less critical
5529 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5534 *fromX = *moveType == WhiteDrop ?
5535 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5536 (int) CharToPiece(ToLower(currentMoveString[0]));
5538 *toX = currentMoveString[2] - AAA;
5539 *toY = currentMoveString[3] - ONE;
5540 *promoChar = NULLCHAR;
5544 case ImpossibleMove:
5554 if (appData.debugMode) {
5555 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5558 *fromX = *fromY = *toX = *toY = 0;
5559 *promoChar = NULLCHAR;
5564 Boolean pushed = FALSE;
5565 char *lastParseAttempt;
5568 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5569 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5570 int fromX, fromY, toX, toY; char promoChar;
5575 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5576 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5577 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5580 endPV = forwardMostMove;
5582 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5583 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5584 lastParseAttempt = pv;
5585 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5586 if(!valid && nr == 0 &&
5587 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5588 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5589 // Hande case where played move is different from leading PV move
5590 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5591 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5592 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5593 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5594 endPV += 2; // if position different, keep this
5595 moveList[endPV-1][0] = fromX + AAA;
5596 moveList[endPV-1][1] = fromY + ONE;
5597 moveList[endPV-1][2] = toX + AAA;
5598 moveList[endPV-1][3] = toY + ONE;
5599 parseList[endPV-1][0] = NULLCHAR;
5600 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5603 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5604 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5605 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5606 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5607 valid++; // allow comments in PV
5611 if(endPV+1 > framePtr) break; // no space, truncate
5614 CopyBoard(boards[endPV], boards[endPV-1]);
5615 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5616 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5617 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5618 CoordsToAlgebraic(boards[endPV - 1],
5619 PosFlags(endPV - 1),
5620 fromY, fromX, toY, toX, promoChar,
5621 parseList[endPV - 1]);
5623 if(atEnd == 2) return; // used hidden, for PV conversion
5624 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5625 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5626 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5627 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5628 DrawPosition(TRUE, boards[currentMove]);
5632 MultiPV (ChessProgramState *cps)
5633 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5635 for(i=0; i<cps->nrOptions; i++)
5636 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5641 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5644 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5646 int startPV, multi, lineStart, origIndex = index;
5647 char *p, buf2[MSG_SIZ];
5648 ChessProgramState *cps = (pane ? &second : &first);
5650 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5651 lastX = x; lastY = y;
5652 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5653 lineStart = startPV = index;
5654 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5655 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5657 do{ while(buf[index] && buf[index] != '\n') index++;
5658 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5660 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5661 int n = cps->option[multi].value;
5662 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5663 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5664 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5665 cps->option[multi].value = n;
5668 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5669 ExcludeClick(origIndex - lineStart);
5671 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5672 Collapse(origIndex - lineStart);
5675 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5676 *start = startPV; *end = index-1;
5677 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5684 static char buf[10*MSG_SIZ];
5685 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5687 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5688 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5689 for(i = forwardMostMove; i<endPV; i++){
5690 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5691 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5694 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5695 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5696 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5702 LoadPV (int x, int y)
5703 { // called on right mouse click to load PV
5704 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5705 lastX = x; lastY = y;
5706 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5714 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5715 if(endPV < 0) return;
5716 if(appData.autoCopyPV) CopyFENToClipboard();
5718 if(extendGame && currentMove > forwardMostMove) {
5719 Boolean saveAnimate = appData.animate;
5721 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5722 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5723 } else storedGames--; // abandon shelved tail of original game
5726 forwardMostMove = currentMove;
5727 currentMove = oldFMM;
5728 appData.animate = FALSE;
5729 ToNrEvent(forwardMostMove);
5730 appData.animate = saveAnimate;
5732 currentMove = forwardMostMove;
5733 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5734 ClearPremoveHighlights();
5735 DrawPosition(TRUE, boards[currentMove]);
5739 MovePV (int x, int y, int h)
5740 { // step through PV based on mouse coordinates (called on mouse move)
5741 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5743 // we must somehow check if right button is still down (might be released off board!)
5744 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5745 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5746 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5748 lastX = x; lastY = y;
5750 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5751 if(endPV < 0) return;
5752 if(y < margin) step = 1; else
5753 if(y > h - margin) step = -1;
5754 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5755 currentMove += step;
5756 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5757 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5758 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5759 DrawPosition(FALSE, boards[currentMove]);
5763 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5764 // All positions will have equal probability, but the current method will not provide a unique
5765 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5771 int piecesLeft[(int)BlackPawn];
5772 int seed, nrOfShuffles;
5775 GetPositionNumber ()
5776 { // sets global variable seed
5779 seed = appData.defaultFrcPosition;
5780 if(seed < 0) { // randomize based on time for negative FRC position numbers
5781 for(i=0; i<50; i++) seed += random();
5782 seed = random() ^ random() >> 8 ^ random() << 8;
5783 if(seed<0) seed = -seed;
5788 put (Board board, int pieceType, int rank, int n, int shade)
5789 // put the piece on the (n-1)-th empty squares of the given shade
5793 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5794 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5795 board[rank][i] = (ChessSquare) pieceType;
5796 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5798 piecesLeft[pieceType]--;
5807 AddOnePiece (Board board, int pieceType, int rank, int shade)
5808 // calculate where the next piece goes, (any empty square), and put it there
5812 i = seed % squaresLeft[shade];
5813 nrOfShuffles *= squaresLeft[shade];
5814 seed /= squaresLeft[shade];
5815 put(board, pieceType, rank, i, shade);
5819 AddTwoPieces (Board board, int pieceType, int rank)
5820 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5822 int i, n=squaresLeft[ANY], j=n-1, k;
5824 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5825 i = seed % k; // pick one
5828 while(i >= j) i -= j--;
5829 j = n - 1 - j; i += j;
5830 put(board, pieceType, rank, j, ANY);
5831 put(board, pieceType, rank, i, ANY);
5835 SetUpShuffle (Board board, int number)
5839 GetPositionNumber(); nrOfShuffles = 1;
5841 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5842 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5843 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5845 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5847 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5848 p = (int) board[0][i];
5849 if(p < (int) BlackPawn) piecesLeft[p] ++;
5850 board[0][i] = EmptySquare;
5853 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5854 // shuffles restricted to allow normal castling put KRR first
5855 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5856 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5857 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5858 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5859 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5860 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5861 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5862 put(board, WhiteRook, 0, 0, ANY);
5863 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5866 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5867 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5868 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5869 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5870 while(piecesLeft[p] >= 2) {
5871 AddOnePiece(board, p, 0, LITE);
5872 AddOnePiece(board, p, 0, DARK);
5874 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5877 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5878 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5879 // but we leave King and Rooks for last, to possibly obey FRC restriction
5880 if(p == (int)WhiteRook) continue;
5881 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5882 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5885 // now everything is placed, except perhaps King (Unicorn) and Rooks
5887 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5888 // Last King gets castling rights
5889 while(piecesLeft[(int)WhiteUnicorn]) {
5890 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5891 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5894 while(piecesLeft[(int)WhiteKing]) {
5895 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5896 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5901 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5902 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5905 // Only Rooks can be left; simply place them all
5906 while(piecesLeft[(int)WhiteRook]) {
5907 i = put(board, WhiteRook, 0, 0, ANY);
5908 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5911 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5913 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5916 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5917 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5920 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5924 SetCharTable (char *table, const char * map)
5925 /* [HGM] moved here from winboard.c because of its general usefulness */
5926 /* Basically a safe strcpy that uses the last character as King */
5928 int result = FALSE; int NrPieces;
5930 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5931 && NrPieces >= 12 && !(NrPieces&1)) {
5932 int i; /* [HGM] Accept even length from 12 to 34 */
5934 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5935 for( i=0; i<NrPieces/2-1; i++ ) {
5937 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5939 table[(int) WhiteKing] = map[NrPieces/2-1];
5940 table[(int) BlackKing] = map[NrPieces-1];
5949 Prelude (Board board)
5950 { // [HGM] superchess: random selection of exo-pieces
5951 int i, j, k; ChessSquare p;
5952 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5954 GetPositionNumber(); // use FRC position number
5956 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5957 SetCharTable(pieceToChar, appData.pieceToCharTable);
5958 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5959 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5962 j = seed%4; seed /= 4;
5963 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5964 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5965 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5966 j = seed%3 + (seed%3 >= j); seed /= 3;
5967 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5968 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5969 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5970 j = seed%3; seed /= 3;
5971 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5972 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5973 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5974 j = seed%2 + (seed%2 >= j); seed /= 2;
5975 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5976 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5977 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5978 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5979 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5980 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5981 put(board, exoPieces[0], 0, 0, ANY);
5982 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5986 InitPosition (int redraw)
5988 ChessSquare (* pieces)[BOARD_FILES];
5989 int i, j, pawnRow=1, pieceRows=1, overrule,
5990 oldx = gameInfo.boardWidth,
5991 oldy = gameInfo.boardHeight,
5992 oldh = gameInfo.holdingsWidth;
5995 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5997 /* [AS] Initialize pv info list [HGM] and game status */
5999 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6000 pvInfoList[i].depth = 0;
6001 boards[i][EP_STATUS] = EP_NONE;
6002 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6005 initialRulePlies = 0; /* 50-move counter start */
6007 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6008 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6012 /* [HGM] logic here is completely changed. In stead of full positions */
6013 /* the initialized data only consist of the two backranks. The switch */
6014 /* selects which one we will use, which is than copied to the Board */
6015 /* initialPosition, which for the rest is initialized by Pawns and */
6016 /* empty squares. This initial position is then copied to boards[0], */
6017 /* possibly after shuffling, so that it remains available. */
6019 gameInfo.holdingsWidth = 0; /* default board sizes */
6020 gameInfo.boardWidth = 8;
6021 gameInfo.boardHeight = 8;
6022 gameInfo.holdingsSize = 0;
6023 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6024 for(i=0; i<BOARD_FILES-2; i++)
6025 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6026 initialPosition[EP_STATUS] = EP_NONE;
6027 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6028 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6029 SetCharTable(pieceNickName, appData.pieceNickNames);
6030 else SetCharTable(pieceNickName, "............");
6033 switch (gameInfo.variant) {
6034 case VariantFischeRandom:
6035 shuffleOpenings = TRUE;
6036 appData.fischerCastling = TRUE;
6039 case VariantShatranj:
6040 pieces = ShatranjArray;
6041 nrCastlingRights = 0;
6042 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6045 pieces = makrukArray;
6046 nrCastlingRights = 0;
6047 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6050 pieces = aseanArray;
6051 nrCastlingRights = 0;
6052 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6054 case VariantTwoKings:
6055 pieces = twoKingsArray;
6058 pieces = GrandArray;
6059 nrCastlingRights = 0;
6060 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6061 gameInfo.boardWidth = 10;
6062 gameInfo.boardHeight = 10;
6063 gameInfo.holdingsSize = 7;
6065 case VariantCapaRandom:
6066 shuffleOpenings = TRUE;
6067 appData.fischerCastling = TRUE;
6068 case VariantCapablanca:
6069 pieces = CapablancaArray;
6070 gameInfo.boardWidth = 10;
6071 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6074 pieces = GothicArray;
6075 gameInfo.boardWidth = 10;
6076 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6079 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6080 gameInfo.holdingsSize = 7;
6081 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6084 pieces = JanusArray;
6085 gameInfo.boardWidth = 10;
6086 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6087 nrCastlingRights = 6;
6088 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6089 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6090 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6091 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6092 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6093 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6096 pieces = FalconArray;
6097 gameInfo.boardWidth = 10;
6098 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6100 case VariantXiangqi:
6101 pieces = XiangqiArray;
6102 gameInfo.boardWidth = 9;
6103 gameInfo.boardHeight = 10;
6104 nrCastlingRights = 0;
6105 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6108 pieces = ShogiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 9;
6111 gameInfo.holdingsSize = 7;
6112 nrCastlingRights = 0;
6113 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6116 pieces = ChuArray; pieceRows = 3;
6117 gameInfo.boardWidth = 12;
6118 gameInfo.boardHeight = 12;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6121 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6123 case VariantCourier:
6124 pieces = CourierArray;
6125 gameInfo.boardWidth = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6129 case VariantKnightmate:
6130 pieces = KnightmateArray;
6131 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6133 case VariantSpartan:
6134 pieces = SpartanArray;
6135 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6139 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6141 case VariantChuChess:
6142 pieces = ChuChessArray;
6143 gameInfo.boardWidth = 10;
6144 gameInfo.boardHeight = 10;
6145 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6148 pieces = fairyArray;
6149 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6152 pieces = GreatArray;
6153 gameInfo.boardWidth = 10;
6154 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6155 gameInfo.holdingsSize = 8;
6159 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6160 gameInfo.holdingsSize = 8;
6161 startedFromSetupPosition = TRUE;
6163 case VariantCrazyhouse:
6164 case VariantBughouse:
6166 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6167 gameInfo.holdingsSize = 5;
6169 case VariantWildCastle:
6171 /* !!?shuffle with kings guaranteed to be on d or e file */
6172 shuffleOpenings = 1;
6174 case VariantNoCastle:
6176 nrCastlingRights = 0;
6177 /* !!?unconstrained back-rank shuffle */
6178 shuffleOpenings = 1;
6183 if(appData.NrFiles >= 0) {
6184 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6185 gameInfo.boardWidth = appData.NrFiles;
6187 if(appData.NrRanks >= 0) {
6188 gameInfo.boardHeight = appData.NrRanks;
6190 if(appData.holdingsSize >= 0) {
6191 i = appData.holdingsSize;
6192 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6193 gameInfo.holdingsSize = i;
6195 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6196 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6197 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6199 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6200 if(pawnRow < 1) pawnRow = 1;
6201 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6202 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6203 if(gameInfo.variant == VariantChu) pawnRow = 3;
6205 /* User pieceToChar list overrules defaults */
6206 if(appData.pieceToCharTable != NULL)
6207 SetCharTable(pieceToChar, appData.pieceToCharTable);
6209 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6211 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6212 s = (ChessSquare) 0; /* account holding counts in guard band */
6213 for( i=0; i<BOARD_HEIGHT; i++ )
6214 initialPosition[i][j] = s;
6216 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6217 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6218 initialPosition[pawnRow][j] = WhitePawn;
6219 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6220 if(gameInfo.variant == VariantXiangqi) {
6222 initialPosition[pawnRow][j] =
6223 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6224 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6225 initialPosition[2][j] = WhiteCannon;
6226 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6230 if(gameInfo.variant == VariantChu) {
6231 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6232 initialPosition[pawnRow+1][j] = WhiteCobra,
6233 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6234 for(i=1; i<pieceRows; i++) {
6235 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6236 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6239 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6240 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6241 initialPosition[0][j] = WhiteRook;
6242 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6245 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6247 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6248 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6251 initialPosition[1][j] = WhiteBishop;
6252 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6254 initialPosition[1][j] = WhiteRook;
6255 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6258 if( nrCastlingRights == -1) {
6259 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6260 /* This sets default castling rights from none to normal corners */
6261 /* Variants with other castling rights must set them themselves above */
6262 nrCastlingRights = 6;
6264 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6265 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6266 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6267 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6268 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6269 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6272 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6273 if(gameInfo.variant == VariantGreat) { // promotion commoners
6274 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6275 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6276 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6277 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6279 if( gameInfo.variant == VariantSChess ) {
6280 initialPosition[1][0] = BlackMarshall;
6281 initialPosition[2][0] = BlackAngel;
6282 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6283 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6284 initialPosition[1][1] = initialPosition[2][1] =
6285 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6287 if (appData.debugMode) {
6288 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6290 if(shuffleOpenings) {
6291 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6292 startedFromSetupPosition = TRUE;
6294 if(startedFromPositionFile) {
6295 /* [HGM] loadPos: use PositionFile for every new game */
6296 CopyBoard(initialPosition, filePosition);
6297 for(i=0; i<nrCastlingRights; i++)
6298 initialRights[i] = filePosition[CASTLING][i];
6299 startedFromSetupPosition = TRUE;
6302 CopyBoard(boards[0], initialPosition);
6304 if(oldx != gameInfo.boardWidth ||
6305 oldy != gameInfo.boardHeight ||
6306 oldv != gameInfo.variant ||
6307 oldh != gameInfo.holdingsWidth
6309 InitDrawingSizes(-2 ,0);
6311 oldv = gameInfo.variant;
6313 DrawPosition(TRUE, boards[currentMove]);
6317 SendBoard (ChessProgramState *cps, int moveNum)
6319 char message[MSG_SIZ];
6321 if (cps->useSetboard) {
6322 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6323 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6324 SendToProgram(message, cps);
6329 int i, j, left=0, right=BOARD_WIDTH;
6330 /* Kludge to set black to move, avoiding the troublesome and now
6331 * deprecated "black" command.
6333 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6334 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6336 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6338 SendToProgram("edit\n", cps);
6339 SendToProgram("#\n", cps);
6340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6341 bp = &boards[moveNum][i][left];
6342 for (j = left; j < right; j++, bp++) {
6343 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6344 if ((int) *bp < (int) BlackPawn) {
6345 if(j == BOARD_RGHT+1)
6346 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6347 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6348 if(message[0] == '+' || message[0] == '~') {
6349 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6350 PieceToChar((ChessSquare)(DEMOTED *bp)),
6353 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6354 message[1] = BOARD_RGHT - 1 - j + '1';
6355 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6357 SendToProgram(message, cps);
6362 SendToProgram("c\n", cps);
6363 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6364 bp = &boards[moveNum][i][left];
6365 for (j = left; j < right; j++, bp++) {
6366 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6367 if (((int) *bp != (int) EmptySquare)
6368 && ((int) *bp >= (int) BlackPawn)) {
6369 if(j == BOARD_LEFT-2)
6370 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6371 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6373 if(message[0] == '+' || message[0] == '~') {
6374 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6375 PieceToChar((ChessSquare)(DEMOTED *bp)),
6378 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6379 message[1] = BOARD_RGHT - 1 - j + '1';
6380 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6382 SendToProgram(message, cps);
6387 SendToProgram(".\n", cps);
6389 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6392 char exclusionHeader[MSG_SIZ];
6393 int exCnt, excludePtr;
6394 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6395 static Exclusion excluTab[200];
6396 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6402 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6403 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6409 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6410 excludePtr = 24; exCnt = 0;
6415 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6416 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6417 char buf[2*MOVE_LEN], *p;
6418 Exclusion *e = excluTab;
6420 for(i=0; i<exCnt; i++)
6421 if(e[i].ff == fromX && e[i].fr == fromY &&
6422 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6423 if(i == exCnt) { // was not in exclude list; add it
6424 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6425 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6426 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6429 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6430 excludePtr++; e[i].mark = excludePtr++;
6431 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6434 exclusionHeader[e[i].mark] = state;
6438 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6439 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6443 if((signed char)promoChar == -1) { // kludge to indicate best move
6444 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6445 return 1; // if unparsable, abort
6447 // update exclusion map (resolving toggle by consulting existing state)
6448 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6450 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6451 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6452 excludeMap[k] |= 1<<j;
6453 else excludeMap[k] &= ~(1<<j);
6455 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6457 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6458 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6460 return (state == '+');
6464 ExcludeClick (int index)
6467 Exclusion *e = excluTab;
6468 if(index < 25) { // none, best or tail clicked
6469 if(index < 13) { // none: include all
6470 WriteMap(0); // clear map
6471 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6472 SendToBoth("include all\n"); // and inform engine
6473 } else if(index > 18) { // tail
6474 if(exclusionHeader[19] == '-') { // tail was excluded
6475 SendToBoth("include all\n");
6476 WriteMap(0); // clear map completely
6477 // now re-exclude selected moves
6478 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6479 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6480 } else { // tail was included or in mixed state
6481 SendToBoth("exclude all\n");
6482 WriteMap(0xFF); // fill map completely
6483 // now re-include selected moves
6484 j = 0; // count them
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, '+'), j++;
6487 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6490 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6493 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6494 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6495 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6502 DefaultPromoChoice (int white)
6505 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6506 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6507 result = WhiteFerz; // no choice
6508 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6509 result= WhiteKing; // in Suicide Q is the last thing we want
6510 else if(gameInfo.variant == VariantSpartan)
6511 result = white ? WhiteQueen : WhiteAngel;
6512 else result = WhiteQueen;
6513 if(!white) result = WHITE_TO_BLACK result;
6517 static int autoQueen; // [HGM] oneclick
6520 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6522 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6523 /* [HGM] add Shogi promotions */
6524 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6525 ChessSquare piece, partner;
6529 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6530 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6532 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6533 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6536 piece = boards[currentMove][fromY][fromX];
6537 if(gameInfo.variant == VariantChu) {
6538 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6539 promotionZoneSize = BOARD_HEIGHT/3;
6540 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6541 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6542 promotionZoneSize = BOARD_HEIGHT/3;
6543 highestPromotingPiece = (int)WhiteAlfil;
6544 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6545 promotionZoneSize = 3;
6548 // Treat Lance as Pawn when it is not representing Amazon or Lance
6549 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6550 if(piece == WhiteLance) piece = WhitePawn; else
6551 if(piece == BlackLance) piece = BlackPawn;
6554 // next weed out all moves that do not touch the promotion zone at all
6555 if((int)piece >= BlackPawn) {
6556 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6558 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6559 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6561 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6562 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6563 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6567 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6569 // weed out mandatory Shogi promotions
6570 if(gameInfo.variant == VariantShogi) {
6571 if(piece >= BlackPawn) {
6572 if(toY == 0 && piece == BlackPawn ||
6573 toY == 0 && piece == BlackQueen ||
6574 toY <= 1 && piece == BlackKnight) {
6579 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6580 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6581 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6588 // weed out obviously illegal Pawn moves
6589 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6590 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6591 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6592 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6593 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6594 // note we are not allowed to test for valid (non-)capture, due to premove
6597 // we either have a choice what to promote to, or (in Shogi) whether to promote
6598 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6599 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6600 ChessSquare p=BlackFerz; // no choice
6601 while(p < EmptySquare) { //but make sure we use piece that exists
6602 *promoChoice = PieceToChar(p++);
6603 if(*promoChoice != '.') break;
6607 // no sense asking what we must promote to if it is going to explode...
6608 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6609 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6612 // give caller the default choice even if we will not make it
6613 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6614 partner = piece; // pieces can promote if the pieceToCharTable says so
6615 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6616 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6617 if( sweepSelect && gameInfo.variant != VariantGreat
6618 && gameInfo.variant != VariantGrand
6619 && gameInfo.variant != VariantSuper) return FALSE;
6620 if(autoQueen) return FALSE; // predetermined
6622 // suppress promotion popup on illegal moves that are not premoves
6623 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6624 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6625 if(appData.testLegality && !premove) {
6626 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6627 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6628 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6629 if(moveType != WhitePromotion && moveType != BlackPromotion)
6637 InPalace (int row, int column)
6638 { /* [HGM] for Xiangqi */
6639 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6640 column < (BOARD_WIDTH + 4)/2 &&
6641 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6646 PieceForSquare (int x, int y)
6648 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6651 return boards[currentMove][y][x];
6655 OKToStartUserMove (int x, int y)
6657 ChessSquare from_piece;
6660 if (matchMode) return FALSE;
6661 if (gameMode == EditPosition) return TRUE;
6663 if (x >= 0 && y >= 0)
6664 from_piece = boards[currentMove][y][x];
6666 from_piece = EmptySquare;
6668 if (from_piece == EmptySquare) return FALSE;
6670 white_piece = (int)from_piece >= (int)WhitePawn &&
6671 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6675 case TwoMachinesPlay:
6683 case MachinePlaysWhite:
6684 case IcsPlayingBlack:
6685 if (appData.zippyPlay) return FALSE;
6687 DisplayMoveError(_("You are playing Black"));
6692 case MachinePlaysBlack:
6693 case IcsPlayingWhite:
6694 if (appData.zippyPlay) return FALSE;
6696 DisplayMoveError(_("You are playing White"));
6701 case PlayFromGameFile:
6702 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6704 if (!white_piece && WhiteOnMove(currentMove)) {
6705 DisplayMoveError(_("It is White's turn"));
6708 if (white_piece && !WhiteOnMove(currentMove)) {
6709 DisplayMoveError(_("It is Black's turn"));
6712 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6713 /* Editing correspondence game history */
6714 /* Could disallow this or prompt for confirmation */
6719 case BeginningOfGame:
6720 if (appData.icsActive) return FALSE;
6721 if (!appData.noChessProgram) {
6723 DisplayMoveError(_("You are playing White"));
6730 if (!white_piece && WhiteOnMove(currentMove)) {
6731 DisplayMoveError(_("It is White's turn"));
6734 if (white_piece && !WhiteOnMove(currentMove)) {
6735 DisplayMoveError(_("It is Black's turn"));
6744 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6745 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6746 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6747 && gameMode != AnalyzeFile && gameMode != Training) {
6748 DisplayMoveError(_("Displayed position is not current"));
6755 OnlyMove (int *x, int *y, Boolean captures)
6757 DisambiguateClosure cl;
6758 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6760 case MachinePlaysBlack:
6761 case IcsPlayingWhite:
6762 case BeginningOfGame:
6763 if(!WhiteOnMove(currentMove)) return FALSE;
6765 case MachinePlaysWhite:
6766 case IcsPlayingBlack:
6767 if(WhiteOnMove(currentMove)) return FALSE;
6774 cl.pieceIn = EmptySquare;
6779 cl.promoCharIn = NULLCHAR;
6780 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6781 if( cl.kind == NormalMove ||
6782 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6783 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6784 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6791 if(cl.kind != ImpossibleMove) return FALSE;
6792 cl.pieceIn = EmptySquare;
6797 cl.promoCharIn = NULLCHAR;
6798 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6799 if( cl.kind == NormalMove ||
6800 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6801 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6802 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6807 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6813 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6814 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6815 int lastLoadGameUseList = FALSE;
6816 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6817 ChessMove lastLoadGameStart = EndOfFile;
6821 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6825 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6827 /* Check if the user is playing in turn. This is complicated because we
6828 let the user "pick up" a piece before it is his turn. So the piece he
6829 tried to pick up may have been captured by the time he puts it down!
6830 Therefore we use the color the user is supposed to be playing in this
6831 test, not the color of the piece that is currently on the starting
6832 square---except in EditGame mode, where the user is playing both
6833 sides; fortunately there the capture race can't happen. (It can
6834 now happen in IcsExamining mode, but that's just too bad. The user
6835 will get a somewhat confusing message in that case.)
6840 case TwoMachinesPlay:
6844 /* We switched into a game mode where moves are not accepted,
6845 perhaps while the mouse button was down. */
6848 case MachinePlaysWhite:
6849 /* User is moving for Black */
6850 if (WhiteOnMove(currentMove)) {
6851 DisplayMoveError(_("It is White's turn"));
6856 case MachinePlaysBlack:
6857 /* User is moving for White */
6858 if (!WhiteOnMove(currentMove)) {
6859 DisplayMoveError(_("It is Black's turn"));
6864 case PlayFromGameFile:
6865 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6868 case BeginningOfGame:
6871 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6872 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6873 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6874 /* User is moving for Black */
6875 if (WhiteOnMove(currentMove)) {
6876 DisplayMoveError(_("It is White's turn"));
6880 /* User is moving for White */
6881 if (!WhiteOnMove(currentMove)) {
6882 DisplayMoveError(_("It is Black's turn"));
6888 case IcsPlayingBlack:
6889 /* User is moving for Black */
6890 if (WhiteOnMove(currentMove)) {
6891 if (!appData.premove) {
6892 DisplayMoveError(_("It is White's turn"));
6893 } else if (toX >= 0 && toY >= 0) {
6896 premoveFromX = fromX;
6897 premoveFromY = fromY;
6898 premovePromoChar = promoChar;
6900 if (appData.debugMode)
6901 fprintf(debugFP, "Got premove: fromX %d,"
6902 "fromY %d, toX %d, toY %d\n",
6903 fromX, fromY, toX, toY);
6909 case IcsPlayingWhite:
6910 /* User is moving for White */
6911 if (!WhiteOnMove(currentMove)) {
6912 if (!appData.premove) {
6913 DisplayMoveError(_("It is Black's turn"));
6914 } else if (toX >= 0 && toY >= 0) {
6917 premoveFromX = fromX;
6918 premoveFromY = fromY;
6919 premovePromoChar = promoChar;
6921 if (appData.debugMode)
6922 fprintf(debugFP, "Got premove: fromX %d,"
6923 "fromY %d, toX %d, toY %d\n",
6924 fromX, fromY, toX, toY);
6934 /* EditPosition, empty square, or different color piece;
6935 click-click move is possible */
6936 if (toX == -2 || toY == -2) {
6937 boards[0][fromY][fromX] = EmptySquare;
6938 DrawPosition(FALSE, boards[currentMove]);
6940 } else if (toX >= 0 && toY >= 0) {
6941 boards[0][toY][toX] = boards[0][fromY][fromX];
6942 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6943 if(boards[0][fromY][0] != EmptySquare) {
6944 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6945 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6948 if(fromX == BOARD_RGHT+1) {
6949 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6950 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6951 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6954 boards[0][fromY][fromX] = gatingPiece;
6955 DrawPosition(FALSE, boards[currentMove]);
6961 if(toX < 0 || toY < 0) return;
6962 pup = boards[currentMove][toY][toX];
6964 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6965 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6966 if( pup != EmptySquare ) return;
6967 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6968 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6969 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6970 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6971 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6972 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6973 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6977 /* [HGM] always test for legality, to get promotion info */
6978 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6979 fromY, fromX, toY, toX, promoChar);
6981 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6983 /* [HGM] but possibly ignore an IllegalMove result */
6984 if (appData.testLegality) {
6985 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6986 DisplayMoveError(_("Illegal move"));
6991 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6992 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6993 ClearPremoveHighlights(); // was included
6994 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6998 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7001 /* Common tail of UserMoveEvent and DropMenuEvent */
7003 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7007 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7008 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7009 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7010 if(WhiteOnMove(currentMove)) {
7011 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7013 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7017 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7018 move type in caller when we know the move is a legal promotion */
7019 if(moveType == NormalMove && promoChar)
7020 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7022 /* [HGM] <popupFix> The following if has been moved here from
7023 UserMoveEvent(). Because it seemed to belong here (why not allow
7024 piece drops in training games?), and because it can only be
7025 performed after it is known to what we promote. */
7026 if (gameMode == Training) {
7027 /* compare the move played on the board to the next move in the
7028 * game. If they match, display the move and the opponent's response.
7029 * If they don't match, display an error message.
7033 CopyBoard(testBoard, boards[currentMove]);
7034 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7036 if (CompareBoards(testBoard, boards[currentMove+1])) {
7037 ForwardInner(currentMove+1);
7039 /* Autoplay the opponent's response.
7040 * if appData.animate was TRUE when Training mode was entered,
7041 * the response will be animated.
7043 saveAnimate = appData.animate;
7044 appData.animate = animateTraining;
7045 ForwardInner(currentMove+1);
7046 appData.animate = saveAnimate;
7048 /* check for the end of the game */
7049 if (currentMove >= forwardMostMove) {
7050 gameMode = PlayFromGameFile;
7052 SetTrainingModeOff();
7053 DisplayInformation(_("End of game"));
7056 DisplayError(_("Incorrect move"), 0);
7061 /* Ok, now we know that the move is good, so we can kill
7062 the previous line in Analysis Mode */
7063 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7064 && currentMove < forwardMostMove) {
7065 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7066 else forwardMostMove = currentMove;
7071 /* If we need the chess program but it's dead, restart it */
7072 ResurrectChessProgram();
7074 /* A user move restarts a paused game*/
7078 thinkOutput[0] = NULLCHAR;
7080 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7082 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7083 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7087 if (gameMode == BeginningOfGame) {
7088 if (appData.noChessProgram) {
7089 gameMode = EditGame;
7093 gameMode = MachinePlaysBlack;
7096 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7098 if (first.sendName) {
7099 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7100 SendToProgram(buf, &first);
7107 /* Relay move to ICS or chess engine */
7108 if (appData.icsActive) {
7109 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7110 gameMode == IcsExamining) {
7111 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7112 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7114 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7116 // also send plain move, in case ICS does not understand atomic claims
7117 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7121 if (first.sendTime && (gameMode == BeginningOfGame ||
7122 gameMode == MachinePlaysWhite ||
7123 gameMode == MachinePlaysBlack)) {
7124 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7126 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7127 // [HGM] book: if program might be playing, let it use book
7128 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7129 first.maybeThinking = TRUE;
7130 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7131 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7132 SendBoard(&first, currentMove+1);
7133 if(second.analyzing) {
7134 if(!second.useSetboard) SendToProgram("undo\n", &second);
7135 SendBoard(&second, currentMove+1);
7138 SendMoveToProgram(forwardMostMove-1, &first);
7139 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7141 if (currentMove == cmailOldMove + 1) {
7142 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7146 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7150 if(appData.testLegality)
7151 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7157 if (WhiteOnMove(currentMove)) {
7158 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7160 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7164 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7169 case MachinePlaysBlack:
7170 case MachinePlaysWhite:
7171 /* disable certain menu options while machine is thinking */
7172 SetMachineThinkingEnables();
7179 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7180 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7182 if(bookHit) { // [HGM] book: simulate book reply
7183 static char bookMove[MSG_SIZ]; // a bit generous?
7185 programStats.nodes = programStats.depth = programStats.time =
7186 programStats.score = programStats.got_only_move = 0;
7187 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7189 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7190 strcat(bookMove, bookHit);
7191 HandleMachineMove(bookMove, &first);
7197 MarkByFEN(char *fen)
7200 if(!appData.markers || !appData.highlightDragging) return;
7201 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7202 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7206 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7207 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7208 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7209 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7210 if(*fen == 'T') marker[r][f++] = 0; else
7211 if(*fen == 'Y') marker[r][f++] = 1; else
7212 if(*fen == 'G') marker[r][f++] = 3; else
7213 if(*fen == 'B') marker[r][f++] = 4; else
7214 if(*fen == 'C') marker[r][f++] = 5; else
7215 if(*fen == 'M') marker[r][f++] = 6; else
7216 if(*fen == 'W') marker[r][f++] = 7; else
7217 if(*fen == 'D') marker[r][f++] = 8; else
7218 if(*fen == 'R') marker[r][f++] = 2; else {
7219 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7222 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7226 DrawPosition(TRUE, NULL);
7229 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7232 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7234 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7235 Markers *m = (Markers *) closure;
7236 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7237 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7238 || kind == WhiteCapturesEnPassant
7239 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7240 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7243 static int hoverSavedValid;
7246 MarkTargetSquares (int clear)
7249 if(clear) { // no reason to ever suppress clearing
7250 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7251 hoverSavedValid = 0;
7252 if(!sum) return; // nothing was cleared,no redraw needed
7255 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7256 !appData.testLegality || gameMode == EditPosition) return;
7257 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7258 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7259 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7261 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7264 DrawPosition(FALSE, NULL);
7268 Explode (Board board, int fromX, int fromY, int toX, int toY)
7270 if(gameInfo.variant == VariantAtomic &&
7271 (board[toY][toX] != EmptySquare || // capture?
7272 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7273 board[fromY][fromX] == BlackPawn )
7275 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7281 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7284 CanPromote (ChessSquare piece, int y)
7286 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7287 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7288 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7289 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7290 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7291 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7292 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7293 return (piece == BlackPawn && y <= zone ||
7294 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7295 piece == BlackLance && y == 1 ||
7296 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7300 HoverEvent (int xPix, int yPix, int x, int y)
7302 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7304 if(!first.highlight) return;
7305 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7306 if(x == oldX && y == oldY) return; // only do something if we enter new square
7307 oldFromX = fromX; oldFromY = fromY;
7308 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7309 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7310 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7311 hoverSavedValid = 1;
7312 } else if(oldX != x || oldY != y) {
7313 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7314 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7315 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7316 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7317 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7319 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7320 SendToProgram(buf, &first);
7323 // SetHighlights(fromX, fromY, x, y);
7327 void ReportClick(char *action, int x, int y)
7329 char buf[MSG_SIZ]; // Inform engine of what user does
7331 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7332 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7333 if(!first.highlight || gameMode == EditPosition) return;
7334 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7335 SendToProgram(buf, &first);
7339 LeftClick (ClickType clickType, int xPix, int yPix)
7342 Boolean saveAnimate;
7343 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7344 char promoChoice = NULLCHAR;
7346 static TimeMark lastClickTime, prevClickTime;
7348 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7350 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7352 if (clickType == Press) ErrorPopDown();
7353 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7355 x = EventToSquare(xPix, BOARD_WIDTH);
7356 y = EventToSquare(yPix, BOARD_HEIGHT);
7357 if (!flipView && y >= 0) {
7358 y = BOARD_HEIGHT - 1 - y;
7360 if (flipView && x >= 0) {
7361 x = BOARD_WIDTH - 1 - x;
7364 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7365 defaultPromoChoice = promoSweep;
7366 promoSweep = EmptySquare; // terminate sweep
7367 promoDefaultAltered = TRUE;
7368 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7371 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7372 if(clickType == Release) return; // ignore upclick of click-click destination
7373 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7374 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7375 if(gameInfo.holdingsWidth &&
7376 (WhiteOnMove(currentMove)
7377 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7378 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7379 // click in right holdings, for determining promotion piece
7380 ChessSquare p = boards[currentMove][y][x];
7381 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7382 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7383 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7384 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7389 DrawPosition(FALSE, boards[currentMove]);
7393 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7394 if(clickType == Press
7395 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7396 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7397 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7400 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7401 // could be static click on premove from-square: abort premove
7403 ClearPremoveHighlights();
7406 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7407 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7409 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7410 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7411 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7412 defaultPromoChoice = DefaultPromoChoice(side);
7415 autoQueen = appData.alwaysPromoteToQueen;
7419 gatingPiece = EmptySquare;
7420 if (clickType != Press) {
7421 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7422 DragPieceEnd(xPix, yPix); dragging = 0;
7423 DrawPosition(FALSE, NULL);
7427 doubleClick = FALSE;
7428 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7429 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7431 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7432 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7433 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7434 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7436 if (OKToStartUserMove(fromX, fromY)) {
7438 ReportClick("lift", x, y);
7439 MarkTargetSquares(0);
7440 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7441 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7442 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7443 promoSweep = defaultPromoChoice;
7444 selectFlag = 0; lastX = xPix; lastY = yPix;
7445 Sweep(0); // Pawn that is going to promote: preview promotion piece
7446 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7448 if (appData.highlightDragging) {
7449 SetHighlights(fromX, fromY, -1, -1);
7453 } else fromX = fromY = -1;
7459 if (clickType == Press && gameMode != EditPosition) {
7464 // ignore off-board to clicks
7465 if(y < 0 || x < 0) return;
7467 /* Check if clicking again on the same color piece */
7468 fromP = boards[currentMove][fromY][fromX];
7469 toP = boards[currentMove][y][x];
7470 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7471 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7472 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7473 WhitePawn <= toP && toP <= WhiteKing &&
7474 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7475 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7476 (BlackPawn <= fromP && fromP <= BlackKing &&
7477 BlackPawn <= toP && toP <= BlackKing &&
7478 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7479 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7480 /* Clicked again on same color piece -- changed his mind */
7481 second = (x == fromX && y == fromY);
7483 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7484 second = FALSE; // first double-click rather than scond click
7485 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7487 promoDefaultAltered = FALSE;
7488 MarkTargetSquares(1);
7489 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7490 if (appData.highlightDragging) {
7491 SetHighlights(x, y, -1, -1);
7495 if (OKToStartUserMove(x, y)) {
7496 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7497 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7498 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7499 gatingPiece = boards[currentMove][fromY][fromX];
7500 else gatingPiece = doubleClick ? fromP : EmptySquare;
7502 fromY = y; dragging = 1;
7503 ReportClick("lift", x, y);
7504 MarkTargetSquares(0);
7505 DragPieceBegin(xPix, yPix, FALSE);
7506 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7507 promoSweep = defaultPromoChoice;
7508 selectFlag = 0; lastX = xPix; lastY = yPix;
7509 Sweep(0); // Pawn that is going to promote: preview promotion piece
7513 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7516 // ignore clicks on holdings
7517 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7520 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7521 DragPieceEnd(xPix, yPix); dragging = 0;
7523 // a deferred attempt to click-click move an empty square on top of a piece
7524 boards[currentMove][y][x] = EmptySquare;
7526 DrawPosition(FALSE, boards[currentMove]);
7527 fromX = fromY = -1; clearFlag = 0;
7530 if (appData.animateDragging) {
7531 /* Undo animation damage if any */
7532 DrawPosition(FALSE, NULL);
7534 if (second || sweepSelecting) {
7535 /* Second up/down in same square; just abort move */
7536 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7537 second = sweepSelecting = 0;
7539 gatingPiece = EmptySquare;
7540 MarkTargetSquares(1);
7543 ClearPremoveHighlights();
7545 /* First upclick in same square; start click-click mode */
7546 SetHighlights(x, y, -1, -1);
7553 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7554 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7555 DisplayMessage(_("only marked squares are legal"),"");
7556 DrawPosition(TRUE, NULL);
7557 return; // ignore to-click
7560 /* we now have a different from- and (possibly off-board) to-square */
7561 /* Completed move */
7562 if(!sweepSelecting) {
7567 piece = boards[currentMove][fromY][fromX];
7569 saveAnimate = appData.animate;
7570 if (clickType == Press) {
7571 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7572 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7573 // must be Edit Position mode with empty-square selected
7574 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7575 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7578 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7581 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7582 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7584 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7585 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7586 if(appData.sweepSelect) {
7587 promoSweep = defaultPromoChoice;
7588 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7589 selectFlag = 0; lastX = xPix; lastY = yPix;
7590 Sweep(0); // Pawn that is going to promote: preview promotion piece
7592 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7593 MarkTargetSquares(1);
7595 return; // promo popup appears on up-click
7597 /* Finish clickclick move */
7598 if (appData.animate || appData.highlightLastMove) {
7599 SetHighlights(fromX, fromY, toX, toY);
7603 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7604 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7605 if (appData.animate || appData.highlightLastMove) {
7606 SetHighlights(fromX, fromY, toX, toY);
7612 // [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
7613 /* Finish drag move */
7614 if (appData.highlightLastMove) {
7615 SetHighlights(fromX, fromY, toX, toY);
7620 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7621 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7622 dragging *= 2; // flag button-less dragging if we are dragging
7623 MarkTargetSquares(1);
7624 if(x == killX && y == killY) killX = killY = -1; else {
7625 killX = x; killY = y; //remeber this square as intermediate
7626 ReportClick("put", x, y); // and inform engine
7627 ReportClick("lift", x, y);
7628 MarkTargetSquares(0);
7632 DragPieceEnd(xPix, yPix); dragging = 0;
7633 /* Don't animate move and drag both */
7634 appData.animate = FALSE;
7637 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7638 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7639 ChessSquare piece = boards[currentMove][fromY][fromX];
7640 if(gameMode == EditPosition && piece != EmptySquare &&
7641 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7644 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7645 n = PieceToNumber(piece - (int)BlackPawn);
7646 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7647 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7648 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7650 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7651 n = PieceToNumber(piece);
7652 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7653 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7654 boards[currentMove][n][BOARD_WIDTH-2]++;
7656 boards[currentMove][fromY][fromX] = EmptySquare;
7660 MarkTargetSquares(1);
7661 DrawPosition(TRUE, boards[currentMove]);
7665 // off-board moves should not be highlighted
7666 if(x < 0 || y < 0) ClearHighlights();
7667 else ReportClick("put", x, y);
7669 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7671 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7672 SetHighlights(fromX, fromY, toX, toY);
7673 MarkTargetSquares(1);
7674 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7675 // [HGM] super: promotion to captured piece selected from holdings
7676 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7677 promotionChoice = TRUE;
7678 // kludge follows to temporarily execute move on display, without promoting yet
7679 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7680 boards[currentMove][toY][toX] = p;
7681 DrawPosition(FALSE, boards[currentMove]);
7682 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7683 boards[currentMove][toY][toX] = q;
7684 DisplayMessage("Click in holdings to choose piece", "");
7687 PromotionPopUp(promoChoice);
7689 int oldMove = currentMove;
7690 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7691 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7692 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7693 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7694 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7695 DrawPosition(TRUE, boards[currentMove]);
7696 MarkTargetSquares(1);
7699 appData.animate = saveAnimate;
7700 if (appData.animate || appData.animateDragging) {
7701 /* Undo animation damage if needed */
7702 DrawPosition(FALSE, NULL);
7707 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7708 { // front-end-free part taken out of PieceMenuPopup
7709 int whichMenu; int xSqr, ySqr;
7711 if(seekGraphUp) { // [HGM] seekgraph
7712 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7713 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7717 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7718 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7719 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7720 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7721 if(action == Press) {
7722 originalFlip = flipView;
7723 flipView = !flipView; // temporarily flip board to see game from partners perspective
7724 DrawPosition(TRUE, partnerBoard);
7725 DisplayMessage(partnerStatus, "");
7727 } else if(action == Release) {
7728 flipView = originalFlip;
7729 DrawPosition(TRUE, boards[currentMove]);
7735 xSqr = EventToSquare(x, BOARD_WIDTH);
7736 ySqr = EventToSquare(y, BOARD_HEIGHT);
7737 if (action == Release) {
7738 if(pieceSweep != EmptySquare) {
7739 EditPositionMenuEvent(pieceSweep, toX, toY);
7740 pieceSweep = EmptySquare;
7741 } else UnLoadPV(); // [HGM] pv
7743 if (action != Press) return -2; // return code to be ignored
7746 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7748 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7749 if (xSqr < 0 || ySqr < 0) return -1;
7750 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7751 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7752 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7753 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7757 if(!appData.icsEngineAnalyze) return -1;
7758 case IcsPlayingWhite:
7759 case IcsPlayingBlack:
7760 if(!appData.zippyPlay) goto noZip;
7763 case MachinePlaysWhite:
7764 case MachinePlaysBlack:
7765 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7766 if (!appData.dropMenu) {
7768 return 2; // flag front-end to grab mouse events
7770 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7771 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7774 if (xSqr < 0 || ySqr < 0) return -1;
7775 if (!appData.dropMenu || appData.testLegality &&
7776 gameInfo.variant != VariantBughouse &&
7777 gameInfo.variant != VariantCrazyhouse) return -1;
7778 whichMenu = 1; // drop menu
7784 if (((*fromX = xSqr) < 0) ||
7785 ((*fromY = ySqr) < 0)) {
7786 *fromX = *fromY = -1;
7790 *fromX = BOARD_WIDTH - 1 - *fromX;
7792 *fromY = BOARD_HEIGHT - 1 - *fromY;
7798 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7800 // char * hint = lastHint;
7801 FrontEndProgramStats stats;
7803 stats.which = cps == &first ? 0 : 1;
7804 stats.depth = cpstats->depth;
7805 stats.nodes = cpstats->nodes;
7806 stats.score = cpstats->score;
7807 stats.time = cpstats->time;
7808 stats.pv = cpstats->movelist;
7809 stats.hint = lastHint;
7810 stats.an_move_index = 0;
7811 stats.an_move_count = 0;
7813 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7814 stats.hint = cpstats->move_name;
7815 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7816 stats.an_move_count = cpstats->nr_moves;
7819 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
7821 SetProgramStats( &stats );
7825 ClearEngineOutputPane (int which)
7827 static FrontEndProgramStats dummyStats;
7828 dummyStats.which = which;
7829 dummyStats.pv = "#";
7830 SetProgramStats( &dummyStats );
7833 #define MAXPLAYERS 500
7836 TourneyStandings (int display)
7838 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7839 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7840 char result, *p, *names[MAXPLAYERS];
7842 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7843 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7844 names[0] = p = strdup(appData.participants);
7845 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7847 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7849 while(result = appData.results[nr]) {
7850 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7851 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7852 wScore = bScore = 0;
7854 case '+': wScore = 2; break;
7855 case '-': bScore = 2; break;
7856 case '=': wScore = bScore = 1; break;
7858 case '*': return strdup("busy"); // tourney not finished
7866 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7867 for(w=0; w<nPlayers; w++) {
7869 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7870 ranking[w] = b; points[w] = bScore; score[b] = -2;
7872 p = malloc(nPlayers*34+1);
7873 for(w=0; w<nPlayers && w<display; w++)
7874 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7880 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7881 { // count all piece types
7883 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7884 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7885 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7888 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7889 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7890 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7891 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7892 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7893 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7898 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7900 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7901 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7903 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7904 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7905 if(myPawns == 2 && nMine == 3) // KPP
7906 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7907 if(myPawns == 1 && nMine == 2) // KP
7908 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7909 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7910 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7911 if(myPawns) return FALSE;
7912 if(pCnt[WhiteRook+side])
7913 return pCnt[BlackRook-side] ||
7914 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7915 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7916 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7917 if(pCnt[WhiteCannon+side]) {
7918 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7919 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7921 if(pCnt[WhiteKnight+side])
7922 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7927 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7929 VariantClass v = gameInfo.variant;
7931 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7932 if(v == VariantShatranj) return TRUE; // always winnable through baring
7933 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7934 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7936 if(v == VariantXiangqi) {
7937 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7939 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7940 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7941 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7942 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7943 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7944 if(stale) // we have at least one last-rank P plus perhaps C
7945 return majors // KPKX
7946 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7948 return pCnt[WhiteFerz+side] // KCAK
7949 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7950 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7951 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7953 } else if(v == VariantKnightmate) {
7954 if(nMine == 1) return FALSE;
7955 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7956 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7957 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7959 if(nMine == 1) return FALSE; // bare King
7960 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
7961 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7962 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7963 // by now we have King + 1 piece (or multiple Bishops on the same color)
7964 if(pCnt[WhiteKnight+side])
7965 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7966 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7967 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7969 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7970 if(pCnt[WhiteAlfil+side])
7971 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7972 if(pCnt[WhiteWazir+side])
7973 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7980 CompareWithRights (Board b1, Board b2)
7983 if(!CompareBoards(b1, b2)) return FALSE;
7984 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7985 /* compare castling rights */
7986 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7987 rights++; /* King lost rights, while rook still had them */
7988 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7989 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7990 rights++; /* but at least one rook lost them */
7992 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7994 if( b1[CASTLING][5] != NoRights ) {
7995 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8002 Adjudicate (ChessProgramState *cps)
8003 { // [HGM] some adjudications useful with buggy engines
8004 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8005 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8006 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8007 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8008 int k, drop, count = 0; static int bare = 1;
8009 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8010 Boolean canAdjudicate = !appData.icsActive;
8012 // most tests only when we understand the game, i.e. legality-checking on
8013 if( appData.testLegality )
8014 { /* [HGM] Some more adjudications for obstinate engines */
8015 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8016 static int moveCount = 6;
8018 char *reason = NULL;
8020 /* Count what is on board. */
8021 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8023 /* Some material-based adjudications that have to be made before stalemate test */
8024 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8025 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8026 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8027 if(canAdjudicate && appData.checkMates) {
8029 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8030 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8031 "Xboard adjudication: King destroyed", GE_XBOARD );
8036 /* Bare King in Shatranj (loses) or Losers (wins) */
8037 if( nrW == 1 || nrB == 1) {
8038 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8039 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8040 if(canAdjudicate && appData.checkMates) {
8042 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8043 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8044 "Xboard adjudication: Bare king", GE_XBOARD );
8048 if( gameInfo.variant == VariantShatranj && --bare < 0)
8050 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8051 if(canAdjudicate && appData.checkMates) {
8052 /* but only adjudicate if adjudication enabled */
8054 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8055 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8056 "Xboard adjudication: Bare king", GE_XBOARD );
8063 // don't wait for engine to announce game end if we can judge ourselves
8064 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8066 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8067 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8068 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8069 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8072 reason = "Xboard adjudication: 3rd check";
8073 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8084 reason = "Xboard adjudication: Stalemate";
8085 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8086 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8087 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8088 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8089 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8090 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8091 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8092 EP_CHECKMATE : EP_WINS);
8093 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8094 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8098 reason = "Xboard adjudication: Checkmate";
8099 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8100 if(gameInfo.variant == VariantShogi) {
8101 if(forwardMostMove > backwardMostMove
8102 && moveList[forwardMostMove-1][1] == '@'
8103 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8104 reason = "XBoard adjudication: pawn-drop mate";
8105 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8111 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8113 result = GameIsDrawn; break;
8115 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8117 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8121 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8123 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8124 GameEnds( result, reason, GE_XBOARD );
8128 /* Next absolutely insufficient mating material. */
8129 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8130 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8131 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8133 /* always flag draws, for judging claims */
8134 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8136 if(canAdjudicate && appData.materialDraws) {
8137 /* but only adjudicate them if adjudication enabled */
8138 if(engineOpponent) {
8139 SendToProgram("force\n", engineOpponent); // suppress reply
8140 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8142 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8147 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8148 if(gameInfo.variant == VariantXiangqi ?
8149 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8151 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8152 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8153 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8154 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8156 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8157 { /* if the first 3 moves do not show a tactical win, declare draw */
8158 if(engineOpponent) {
8159 SendToProgram("force\n", engineOpponent); // suppress reply
8160 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8162 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8165 } else moveCount = 6;
8168 // Repetition draws and 50-move rule can be applied independently of legality testing
8170 /* Check for rep-draws */
8172 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8173 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8174 for(k = forwardMostMove-2;
8175 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8176 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8177 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8180 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8181 /* compare castling rights */
8182 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8183 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8184 rights++; /* King lost rights, while rook still had them */
8185 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8186 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8187 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8188 rights++; /* but at least one rook lost them */
8190 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8191 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8193 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8194 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8195 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8198 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8199 && appData.drawRepeats > 1) {
8200 /* adjudicate after user-specified nr of repeats */
8201 int result = GameIsDrawn;
8202 char *details = "XBoard adjudication: repetition draw";
8203 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8204 // [HGM] xiangqi: check for forbidden perpetuals
8205 int m, ourPerpetual = 1, hisPerpetual = 1;
8206 for(m=forwardMostMove; m>k; m-=2) {
8207 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8208 ourPerpetual = 0; // the current mover did not always check
8209 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8210 hisPerpetual = 0; // the opponent did not always check
8212 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8213 ourPerpetual, hisPerpetual);
8214 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8215 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8216 details = "Xboard adjudication: perpetual checking";
8218 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8219 break; // (or we would have caught him before). Abort repetition-checking loop.
8221 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8222 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8224 details = "Xboard adjudication: repetition";
8226 } else // it must be XQ
8227 // Now check for perpetual chases
8228 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8229 hisPerpetual = PerpetualChase(k, forwardMostMove);
8230 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8231 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8232 static char resdet[MSG_SIZ];
8233 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8235 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8237 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8238 break; // Abort repetition-checking loop.
8240 // if neither of us is checking or chasing all the time, or both are, it is draw
8242 if(engineOpponent) {
8243 SendToProgram("force\n", engineOpponent); // suppress reply
8244 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8246 GameEnds( result, details, GE_XBOARD );
8249 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8250 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8254 /* Now we test for 50-move draws. Determine ply count */
8255 count = forwardMostMove;
8256 /* look for last irreversble move */
8257 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8259 /* if we hit starting position, add initial plies */
8260 if( count == backwardMostMove )
8261 count -= initialRulePlies;
8262 count = forwardMostMove - count;
8263 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8264 // adjust reversible move counter for checks in Xiangqi
8265 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8266 if(i < backwardMostMove) i = backwardMostMove;
8267 while(i <= forwardMostMove) {
8268 lastCheck = inCheck; // check evasion does not count
8269 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8270 if(inCheck || lastCheck) count--; // check does not count
8275 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8276 /* this is used to judge if draw claims are legal */
8277 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8278 if(engineOpponent) {
8279 SendToProgram("force\n", engineOpponent); // suppress reply
8280 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8282 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8286 /* if draw offer is pending, treat it as a draw claim
8287 * when draw condition present, to allow engines a way to
8288 * claim draws before making their move to avoid a race
8289 * condition occurring after their move
8291 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8293 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8294 p = "Draw claim: 50-move rule";
8295 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8296 p = "Draw claim: 3-fold repetition";
8297 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8298 p = "Draw claim: insufficient mating material";
8299 if( p != NULL && canAdjudicate) {
8300 if(engineOpponent) {
8301 SendToProgram("force\n", engineOpponent); // suppress reply
8302 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8304 GameEnds( GameIsDrawn, p, GE_XBOARD );
8309 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8310 if(engineOpponent) {
8311 SendToProgram("force\n", engineOpponent); // suppress reply
8312 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8314 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8320 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8321 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8322 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8327 int pieces[10], squares[10], cnt=0, r, f, res;
8329 static PPROBE_EGBB probeBB;
8330 if(!appData.testLegality) return 10;
8331 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8332 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8333 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8334 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8335 ChessSquare piece = boards[forwardMostMove][r][f];
8336 int black = (piece >= BlackPawn);
8337 int type = piece - black*BlackPawn;
8338 if(piece == EmptySquare) continue;
8339 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8340 if(type == WhiteKing) type = WhiteQueen + 1;
8341 type = egbbCode[type];
8342 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8343 pieces[cnt] = type + black*6;
8344 if(++cnt > 5) return 11;
8346 pieces[cnt] = squares[cnt] = 0;
8348 if(loaded == 2) return 13; // loading failed before
8350 loaded = 2; // prepare for failure
8351 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8354 if(!path) return 13; // no egbb installed
8355 strncpy(buf, path + 8, MSG_SIZ);
8356 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8357 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8358 lib = LoadLibrary(buf);
8359 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8360 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8361 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8362 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8363 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8364 loaded = 1; // success!
8366 res = probeBB(forwardMostMove & 1, pieces, squares);
8367 return res > 0 ? 1 : res < 0 ? -1 : 0;
8371 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8372 { // [HGM] book: this routine intercepts moves to simulate book replies
8373 char *bookHit = NULL;
8375 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8377 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8378 SendToProgram(buf, cps);
8380 //first determine if the incoming move brings opponent into his book
8381 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8382 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8383 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8384 if(bookHit != NULL && !cps->bookSuspend) {
8385 // make sure opponent is not going to reply after receiving move to book position
8386 SendToProgram("force\n", cps);
8387 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8389 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8390 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8391 // now arrange restart after book miss
8393 // after a book hit we never send 'go', and the code after the call to this routine
8394 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8395 char buf[MSG_SIZ], *move = bookHit;
8397 int fromX, fromY, toX, toY;
8401 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8402 &fromX, &fromY, &toX, &toY, &promoChar)) {
8403 (void) CoordsToAlgebraic(boards[forwardMostMove],
8404 PosFlags(forwardMostMove),
8405 fromY, fromX, toY, toX, promoChar, move);
8407 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8411 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8412 SendToProgram(buf, cps);
8413 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8414 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8415 SendToProgram("go\n", cps);
8416 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8417 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8418 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8419 SendToProgram("go\n", cps);
8420 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8422 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8426 LoadError (char *errmess, ChessProgramState *cps)
8427 { // unloads engine and switches back to -ncp mode if it was first
8428 if(cps->initDone) return FALSE;
8429 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8430 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8433 appData.noChessProgram = TRUE;
8434 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8435 gameMode = BeginningOfGame; ModeHighlight();
8438 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8439 DisplayMessage("", ""); // erase waiting message
8440 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8445 ChessProgramState *savedState;
8447 DeferredBookMove (void)
8449 if(savedState->lastPing != savedState->lastPong)
8450 ScheduleDelayedEvent(DeferredBookMove, 10);
8452 HandleMachineMove(savedMessage, savedState);
8455 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8456 static ChessProgramState *stalledEngine;
8457 static char stashedInputMove[MSG_SIZ];
8460 HandleMachineMove (char *message, ChessProgramState *cps)
8462 static char firstLeg[20];
8463 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8464 char realname[MSG_SIZ];
8465 int fromX, fromY, toX, toY;
8467 char promoChar, roar;
8469 int machineWhite, oldError;
8472 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8473 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8474 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8475 DisplayError(_("Invalid pairing from pairing engine"), 0);
8478 pairingReceived = 1;
8480 return; // Skim the pairing messages here.
8483 oldError = cps->userError; cps->userError = 0;
8485 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8487 * Kludge to ignore BEL characters
8489 while (*message == '\007') message++;
8492 * [HGM] engine debug message: ignore lines starting with '#' character
8494 if(cps->debug && *message == '#') return;
8497 * Look for book output
8499 if (cps == &first && bookRequested) {
8500 if (message[0] == '\t' || message[0] == ' ') {
8501 /* Part of the book output is here; append it */
8502 strcat(bookOutput, message);
8503 strcat(bookOutput, " \n");
8505 } else if (bookOutput[0] != NULLCHAR) {
8506 /* All of book output has arrived; display it */
8507 char *p = bookOutput;
8508 while (*p != NULLCHAR) {
8509 if (*p == '\t') *p = ' ';
8512 DisplayInformation(bookOutput);
8513 bookRequested = FALSE;
8514 /* Fall through to parse the current output */
8519 * Look for machine move.
8521 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8522 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8524 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8525 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8526 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8527 stalledEngine = cps;
8528 if(appData.ponderNextMove) { // bring opponent out of ponder
8529 if(gameMode == TwoMachinesPlay) {
8530 if(cps->other->pause)
8531 PauseEngine(cps->other);
8533 SendToProgram("easy\n", cps->other);
8540 /* This method is only useful on engines that support ping */
8541 if (cps->lastPing != cps->lastPong) {
8542 if (gameMode == BeginningOfGame) {
8543 /* Extra move from before last new; ignore */
8544 if (appData.debugMode) {
8545 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8548 if (appData.debugMode) {
8549 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8550 cps->which, gameMode);
8553 SendToProgram("undo\n", cps);
8559 case BeginningOfGame:
8560 /* Extra move from before last reset; ignore */
8561 if (appData.debugMode) {
8562 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8569 /* Extra move after we tried to stop. The mode test is
8570 not a reliable way of detecting this problem, but it's
8571 the best we can do on engines that don't support ping.
8573 if (appData.debugMode) {
8574 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8575 cps->which, gameMode);
8577 SendToProgram("undo\n", cps);
8580 case MachinePlaysWhite:
8581 case IcsPlayingWhite:
8582 machineWhite = TRUE;
8585 case MachinePlaysBlack:
8586 case IcsPlayingBlack:
8587 machineWhite = FALSE;
8590 case TwoMachinesPlay:
8591 machineWhite = (cps->twoMachinesColor[0] == 'w');
8594 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8595 if (appData.debugMode) {
8597 "Ignoring move out of turn by %s, gameMode %d"
8598 ", forwardMost %d\n",
8599 cps->which, gameMode, forwardMostMove);
8604 if(cps->alphaRank) AlphaRank(machineMove, 4);
8606 // [HGM] lion: (some very limited) support for Alien protocol
8608 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8609 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8611 } else if(firstLeg[0]) { // there was a previous leg;
8612 // only support case where same piece makes two step (and don't even test that!)
8613 char buf[20], *p = machineMove+1, *q = buf+1, f;
8614 safeStrCpy(buf, machineMove, 20);
8615 while(isdigit(*q)) q++; // find start of to-square
8616 safeStrCpy(machineMove, firstLeg, 20);
8617 while(isdigit(*p)) p++;
8618 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8619 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8620 firstLeg[0] = NULLCHAR;
8623 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8624 &fromX, &fromY, &toX, &toY, &promoChar)) {
8625 /* Machine move could not be parsed; ignore it. */
8626 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8627 machineMove, _(cps->which));
8628 DisplayMoveError(buf1);
8629 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8630 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8631 if (gameMode == TwoMachinesPlay) {
8632 GameEnds(machineWhite ? BlackWins : WhiteWins,
8638 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8639 /* So we have to redo legality test with true e.p. status here, */
8640 /* to make sure an illegal e.p. capture does not slip through, */
8641 /* to cause a forfeit on a justified illegal-move complaint */
8642 /* of the opponent. */
8643 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8645 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8646 fromY, fromX, toY, toX, promoChar);
8647 if(moveType == IllegalMove) {
8648 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8649 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8650 GameEnds(machineWhite ? BlackWins : WhiteWins,
8653 } else if(!appData.fischerCastling)
8654 /* [HGM] Kludge to handle engines that send FRC-style castling
8655 when they shouldn't (like TSCP-Gothic) */
8657 case WhiteASideCastleFR:
8658 case BlackASideCastleFR:
8660 currentMoveString[2]++;
8662 case WhiteHSideCastleFR:
8663 case BlackHSideCastleFR:
8665 currentMoveString[2]--;
8667 default: ; // nothing to do, but suppresses warning of pedantic compilers
8670 hintRequested = FALSE;
8671 lastHint[0] = NULLCHAR;
8672 bookRequested = FALSE;
8673 /* Program may be pondering now */
8674 cps->maybeThinking = TRUE;
8675 if (cps->sendTime == 2) cps->sendTime = 1;
8676 if (cps->offeredDraw) cps->offeredDraw--;
8678 /* [AS] Save move info*/
8679 pvInfoList[ forwardMostMove ].score = programStats.score;
8680 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8681 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8683 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8685 /* Test suites abort the 'game' after one move */
8686 if(*appData.finger) {
8688 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8689 if(!f) f = fopen(appData.finger, "w");
8690 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8691 else { DisplayFatalError("Bad output file", errno, 0); return; }
8693 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8696 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8697 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8700 while( count < adjudicateLossPlies ) {
8701 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8704 score = -score; /* Flip score for winning side */
8707 if( score > adjudicateLossThreshold ) {
8714 if( count >= adjudicateLossPlies ) {
8715 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8717 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8718 "Xboard adjudication",
8725 if(Adjudicate(cps)) {
8726 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8727 return; // [HGM] adjudicate: for all automatic game ends
8731 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8733 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8734 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8736 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8738 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8740 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8741 char buf[3*MSG_SIZ];
8743 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8744 programStats.score / 100.,
8746 programStats.time / 100.,
8747 (unsigned int)programStats.nodes,
8748 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8749 programStats.movelist);
8751 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8756 /* [AS] Clear stats for next move */
8757 ClearProgramStats();
8758 thinkOutput[0] = NULLCHAR;
8759 hiddenThinkOutputState = 0;
8762 if (gameMode == TwoMachinesPlay) {
8763 /* [HGM] relaying draw offers moved to after reception of move */
8764 /* and interpreting offer as claim if it brings draw condition */
8765 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8766 SendToProgram("draw\n", cps->other);
8768 if (cps->other->sendTime) {
8769 SendTimeRemaining(cps->other,
8770 cps->other->twoMachinesColor[0] == 'w');
8772 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8773 if (firstMove && !bookHit) {
8775 if (cps->other->useColors) {
8776 SendToProgram(cps->other->twoMachinesColor, cps->other);
8778 SendToProgram("go\n", cps->other);
8780 cps->other->maybeThinking = TRUE;
8783 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8785 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8787 if (!pausing && appData.ringBellAfterMoves) {
8788 if(!roar) RingBell();
8792 * Reenable menu items that were disabled while
8793 * machine was thinking
8795 if (gameMode != TwoMachinesPlay)
8796 SetUserThinkingEnables();
8798 // [HGM] book: after book hit opponent has received move and is now in force mode
8799 // force the book reply into it, and then fake that it outputted this move by jumping
8800 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8802 static char bookMove[MSG_SIZ]; // a bit generous?
8804 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8805 strcat(bookMove, bookHit);
8808 programStats.nodes = programStats.depth = programStats.time =
8809 programStats.score = programStats.got_only_move = 0;
8810 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8812 if(cps->lastPing != cps->lastPong) {
8813 savedMessage = message; // args for deferred call
8815 ScheduleDelayedEvent(DeferredBookMove, 10);
8824 /* Set special modes for chess engines. Later something general
8825 * could be added here; for now there is just one kludge feature,
8826 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8827 * when "xboard" is given as an interactive command.
8829 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8830 cps->useSigint = FALSE;
8831 cps->useSigterm = FALSE;
8833 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8834 ParseFeatures(message+8, cps);
8835 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8838 if (!strncmp(message, "setup ", 6) &&
8839 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8840 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8841 ) { // [HGM] allow first engine to define opening position
8842 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8843 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8845 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8846 if(startedFromSetupPosition) return;
8847 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8849 while(message[s] && message[s++] != ' ');
8850 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8851 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8852 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8853 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8854 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8855 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8858 ParseFEN(boards[0], &dummy, message+s, FALSE);
8859 DrawPosition(TRUE, boards[0]);
8860 startedFromSetupPosition = TRUE;
8863 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8864 * want this, I was asked to put it in, and obliged.
8866 if (!strncmp(message, "setboard ", 9)) {
8867 Board initial_position;
8869 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8871 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8872 DisplayError(_("Bad FEN received from engine"), 0);
8876 CopyBoard(boards[0], initial_position);
8877 initialRulePlies = FENrulePlies;
8878 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8879 else gameMode = MachinePlaysBlack;
8880 DrawPosition(FALSE, boards[currentMove]);
8886 * Look for communication commands
8888 if (!strncmp(message, "telluser ", 9)) {
8889 if(message[9] == '\\' && message[10] == '\\')
8890 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8892 DisplayNote(message + 9);
8895 if (!strncmp(message, "tellusererror ", 14)) {
8897 if(message[14] == '\\' && message[15] == '\\')
8898 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8900 DisplayError(message + 14, 0);
8903 if (!strncmp(message, "tellopponent ", 13)) {
8904 if (appData.icsActive) {
8906 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8910 DisplayNote(message + 13);
8914 if (!strncmp(message, "tellothers ", 11)) {
8915 if (appData.icsActive) {
8917 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8920 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8923 if (!strncmp(message, "tellall ", 8)) {
8924 if (appData.icsActive) {
8926 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8930 DisplayNote(message + 8);
8934 if (strncmp(message, "warning", 7) == 0) {
8935 /* Undocumented feature, use tellusererror in new code */
8936 DisplayError(message, 0);
8939 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8940 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8941 strcat(realname, " query");
8942 AskQuestion(realname, buf2, buf1, cps->pr);
8945 /* Commands from the engine directly to ICS. We don't allow these to be
8946 * sent until we are logged on. Crafty kibitzes have been known to
8947 * interfere with the login process.
8950 if (!strncmp(message, "tellics ", 8)) {
8951 SendToICS(message + 8);
8955 if (!strncmp(message, "tellicsnoalias ", 15)) {
8956 SendToICS(ics_prefix);
8957 SendToICS(message + 15);
8961 /* The following are for backward compatibility only */
8962 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8963 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8964 SendToICS(ics_prefix);
8970 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8971 if(initPing == cps->lastPong) {
8972 if(gameInfo.variant == VariantUnknown) {
8973 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8974 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8975 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8981 if(!strncmp(message, "highlight ", 10)) {
8982 if(appData.testLegality && appData.markers) return;
8983 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8986 if(!strncmp(message, "click ", 6)) {
8987 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8988 if(appData.testLegality || !appData.oneClick) return;
8989 sscanf(message+6, "%c%d%c", &f, &y, &c);
8990 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
8991 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
8992 x = x*squareSize + (x+1)*lineGap + squareSize/2;
8993 y = y*squareSize + (y+1)*lineGap + squareSize/2;
8994 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
8995 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
8996 LeftClick(Release, lastLeftX, lastLeftY);
8997 controlKey = (c == ',');
8998 LeftClick(Press, x, y);
8999 LeftClick(Release, x, y);
9000 first.highlight = f;
9004 * If the move is illegal, cancel it and redraw the board.
9005 * Also deal with other error cases. Matching is rather loose
9006 * here to accommodate engines written before the spec.
9008 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9009 strncmp(message, "Error", 5) == 0) {
9010 if (StrStr(message, "name") ||
9011 StrStr(message, "rating") || StrStr(message, "?") ||
9012 StrStr(message, "result") || StrStr(message, "board") ||
9013 StrStr(message, "bk") || StrStr(message, "computer") ||
9014 StrStr(message, "variant") || StrStr(message, "hint") ||
9015 StrStr(message, "random") || StrStr(message, "depth") ||
9016 StrStr(message, "accepted")) {
9019 if (StrStr(message, "protover")) {
9020 /* Program is responding to input, so it's apparently done
9021 initializing, and this error message indicates it is
9022 protocol version 1. So we don't need to wait any longer
9023 for it to initialize and send feature commands. */
9024 FeatureDone(cps, 1);
9025 cps->protocolVersion = 1;
9028 cps->maybeThinking = FALSE;
9030 if (StrStr(message, "draw")) {
9031 /* Program doesn't have "draw" command */
9032 cps->sendDrawOffers = 0;
9035 if (cps->sendTime != 1 &&
9036 (StrStr(message, "time") || StrStr(message, "otim"))) {
9037 /* Program apparently doesn't have "time" or "otim" command */
9041 if (StrStr(message, "analyze")) {
9042 cps->analysisSupport = FALSE;
9043 cps->analyzing = FALSE;
9044 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9045 EditGameEvent(); // [HGM] try to preserve loaded game
9046 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9047 DisplayError(buf2, 0);
9050 if (StrStr(message, "(no matching move)st")) {
9051 /* Special kludge for GNU Chess 4 only */
9052 cps->stKludge = TRUE;
9053 SendTimeControl(cps, movesPerSession, timeControl,
9054 timeIncrement, appData.searchDepth,
9058 if (StrStr(message, "(no matching move)sd")) {
9059 /* Special kludge for GNU Chess 4 only */
9060 cps->sdKludge = TRUE;
9061 SendTimeControl(cps, movesPerSession, timeControl,
9062 timeIncrement, appData.searchDepth,
9066 if (!StrStr(message, "llegal")) {
9069 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9070 gameMode == IcsIdle) return;
9071 if (forwardMostMove <= backwardMostMove) return;
9072 if (pausing) PauseEvent();
9073 if(appData.forceIllegal) {
9074 // [HGM] illegal: machine refused move; force position after move into it
9075 SendToProgram("force\n", cps);
9076 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9077 // we have a real problem now, as SendBoard will use the a2a3 kludge
9078 // when black is to move, while there might be nothing on a2 or black
9079 // might already have the move. So send the board as if white has the move.
9080 // But first we must change the stm of the engine, as it refused the last move
9081 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9082 if(WhiteOnMove(forwardMostMove)) {
9083 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9084 SendBoard(cps, forwardMostMove); // kludgeless board
9086 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9087 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9088 SendBoard(cps, forwardMostMove+1); // kludgeless board
9090 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9091 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9092 gameMode == TwoMachinesPlay)
9093 SendToProgram("go\n", cps);
9096 if (gameMode == PlayFromGameFile) {
9097 /* Stop reading this game file */
9098 gameMode = EditGame;
9101 /* [HGM] illegal-move claim should forfeit game when Xboard */
9102 /* only passes fully legal moves */
9103 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9104 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9105 "False illegal-move claim", GE_XBOARD );
9106 return; // do not take back move we tested as valid
9108 currentMove = forwardMostMove-1;
9109 DisplayMove(currentMove-1); /* before DisplayMoveError */
9110 SwitchClocks(forwardMostMove-1); // [HGM] race
9111 DisplayBothClocks();
9112 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9113 parseList[currentMove], _(cps->which));
9114 DisplayMoveError(buf1);
9115 DrawPosition(FALSE, boards[currentMove]);
9117 SetUserThinkingEnables();
9120 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9121 /* Program has a broken "time" command that
9122 outputs a string not ending in newline.
9128 * If chess program startup fails, exit with an error message.
9129 * Attempts to recover here are futile. [HGM] Well, we try anyway
9131 if ((StrStr(message, "unknown host") != NULL)
9132 || (StrStr(message, "No remote directory") != NULL)
9133 || (StrStr(message, "not found") != NULL)
9134 || (StrStr(message, "No such file") != NULL)
9135 || (StrStr(message, "can't alloc") != NULL)
9136 || (StrStr(message, "Permission denied") != NULL)) {
9138 cps->maybeThinking = FALSE;
9139 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9140 _(cps->which), cps->program, cps->host, message);
9141 RemoveInputSource(cps->isr);
9142 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9143 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9144 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9150 * Look for hint output
9152 if (sscanf(message, "Hint: %s", buf1) == 1) {
9153 if (cps == &first && hintRequested) {
9154 hintRequested = FALSE;
9155 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9156 &fromX, &fromY, &toX, &toY, &promoChar)) {
9157 (void) CoordsToAlgebraic(boards[forwardMostMove],
9158 PosFlags(forwardMostMove),
9159 fromY, fromX, toY, toX, promoChar, buf1);
9160 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9161 DisplayInformation(buf2);
9163 /* Hint move could not be parsed!? */
9164 snprintf(buf2, sizeof(buf2),
9165 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9166 buf1, _(cps->which));
9167 DisplayError(buf2, 0);
9170 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9176 * Ignore other messages if game is not in progress
9178 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9179 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9182 * look for win, lose, draw, or draw offer
9184 if (strncmp(message, "1-0", 3) == 0) {
9185 char *p, *q, *r = "";
9186 p = strchr(message, '{');
9194 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9196 } else if (strncmp(message, "0-1", 3) == 0) {
9197 char *p, *q, *r = "";
9198 p = strchr(message, '{');
9206 /* Kludge for Arasan 4.1 bug */
9207 if (strcmp(r, "Black resigns") == 0) {
9208 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9211 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9213 } else if (strncmp(message, "1/2", 3) == 0) {
9214 char *p, *q, *r = "";
9215 p = strchr(message, '{');
9224 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9227 } else if (strncmp(message, "White resign", 12) == 0) {
9228 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9230 } else if (strncmp(message, "Black resign", 12) == 0) {
9231 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9233 } else if (strncmp(message, "White matches", 13) == 0 ||
9234 strncmp(message, "Black matches", 13) == 0 ) {
9235 /* [HGM] ignore GNUShogi noises */
9237 } else if (strncmp(message, "White", 5) == 0 &&
9238 message[5] != '(' &&
9239 StrStr(message, "Black") == NULL) {
9240 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9242 } else if (strncmp(message, "Black", 5) == 0 &&
9243 message[5] != '(') {
9244 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9246 } else if (strcmp(message, "resign") == 0 ||
9247 strcmp(message, "computer resigns") == 0) {
9249 case MachinePlaysBlack:
9250 case IcsPlayingBlack:
9251 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9253 case MachinePlaysWhite:
9254 case IcsPlayingWhite:
9255 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9257 case TwoMachinesPlay:
9258 if (cps->twoMachinesColor[0] == 'w')
9259 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9261 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9268 } else if (strncmp(message, "opponent mates", 14) == 0) {
9270 case MachinePlaysBlack:
9271 case IcsPlayingBlack:
9272 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9274 case MachinePlaysWhite:
9275 case IcsPlayingWhite:
9276 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9278 case TwoMachinesPlay:
9279 if (cps->twoMachinesColor[0] == 'w')
9280 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9282 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9289 } else if (strncmp(message, "computer mates", 14) == 0) {
9291 case MachinePlaysBlack:
9292 case IcsPlayingBlack:
9293 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9295 case MachinePlaysWhite:
9296 case IcsPlayingWhite:
9297 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9299 case TwoMachinesPlay:
9300 if (cps->twoMachinesColor[0] == 'w')
9301 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9303 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9310 } else if (strncmp(message, "checkmate", 9) == 0) {
9311 if (WhiteOnMove(forwardMostMove)) {
9312 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9314 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9317 } else if (strstr(message, "Draw") != NULL ||
9318 strstr(message, "game is a draw") != NULL) {
9319 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9321 } else if (strstr(message, "offer") != NULL &&
9322 strstr(message, "draw") != NULL) {
9324 if (appData.zippyPlay && first.initDone) {
9325 /* Relay offer to ICS */
9326 SendToICS(ics_prefix);
9327 SendToICS("draw\n");
9330 cps->offeredDraw = 2; /* valid until this engine moves twice */
9331 if (gameMode == TwoMachinesPlay) {
9332 if (cps->other->offeredDraw) {
9333 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9334 /* [HGM] in two-machine mode we delay relaying draw offer */
9335 /* until after we also have move, to see if it is really claim */
9337 } else if (gameMode == MachinePlaysWhite ||
9338 gameMode == MachinePlaysBlack) {
9339 if (userOfferedDraw) {
9340 DisplayInformation(_("Machine accepts your draw offer"));
9341 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9343 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9350 * Look for thinking output
9352 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9353 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9355 int plylev, mvleft, mvtot, curscore, time;
9356 char mvname[MOVE_LEN];
9360 int prefixHint = FALSE;
9361 mvname[0] = NULLCHAR;
9364 case MachinePlaysBlack:
9365 case IcsPlayingBlack:
9366 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9368 case MachinePlaysWhite:
9369 case IcsPlayingWhite:
9370 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9375 case IcsObserving: /* [DM] icsEngineAnalyze */
9376 if (!appData.icsEngineAnalyze) ignore = TRUE;
9378 case TwoMachinesPlay:
9379 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9389 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9391 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9392 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9394 if (plyext != ' ' && plyext != '\t') {
9398 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9399 if( cps->scoreIsAbsolute &&
9400 ( gameMode == MachinePlaysBlack ||
9401 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9402 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9403 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9404 !WhiteOnMove(currentMove)
9407 curscore = -curscore;
9410 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9412 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9415 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9416 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9417 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9418 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9419 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9420 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9424 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9425 DisplayError(_("failed writing PV"), 0);
9428 tempStats.depth = plylev;
9429 tempStats.nodes = nodes;
9430 tempStats.time = time;
9431 tempStats.score = curscore;
9432 tempStats.got_only_move = 0;
9434 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9437 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9438 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9439 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9440 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9441 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9442 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9443 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9444 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9447 /* Buffer overflow protection */
9448 if (pv[0] != NULLCHAR) {
9449 if (strlen(pv) >= sizeof(tempStats.movelist)
9450 && appData.debugMode) {
9452 "PV is too long; using the first %u bytes.\n",
9453 (unsigned) sizeof(tempStats.movelist) - 1);
9456 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9458 sprintf(tempStats.movelist, " no PV\n");
9461 if (tempStats.seen_stat) {
9462 tempStats.ok_to_send = 1;
9465 if (strchr(tempStats.movelist, '(') != NULL) {
9466 tempStats.line_is_book = 1;
9467 tempStats.nr_moves = 0;
9468 tempStats.moves_left = 0;
9470 tempStats.line_is_book = 0;
9473 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9474 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9476 SendProgramStatsToFrontend( cps, &tempStats );
9479 [AS] Protect the thinkOutput buffer from overflow... this
9480 is only useful if buf1 hasn't overflowed first!
9482 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9484 (gameMode == TwoMachinesPlay ?
9485 ToUpper(cps->twoMachinesColor[0]) : ' '),
9486 ((double) curscore) / 100.0,
9487 prefixHint ? lastHint : "",
9488 prefixHint ? " " : "" );
9490 if( buf1[0] != NULLCHAR ) {
9491 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9493 if( strlen(pv) > max_len ) {
9494 if( appData.debugMode) {
9495 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9497 pv[max_len+1] = '\0';
9500 strcat( thinkOutput, pv);
9503 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9504 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9505 DisplayMove(currentMove - 1);
9509 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9510 /* crafty (9.25+) says "(only move) <move>"
9511 * if there is only 1 legal move
9513 sscanf(p, "(only move) %s", buf1);
9514 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9515 sprintf(programStats.movelist, "%s (only move)", buf1);
9516 programStats.depth = 1;
9517 programStats.nr_moves = 1;
9518 programStats.moves_left = 1;
9519 programStats.nodes = 1;
9520 programStats.time = 1;
9521 programStats.got_only_move = 1;
9523 /* Not really, but we also use this member to
9524 mean "line isn't going to change" (Crafty
9525 isn't searching, so stats won't change) */
9526 programStats.line_is_book = 1;
9528 SendProgramStatsToFrontend( cps, &programStats );
9530 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9531 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9532 DisplayMove(currentMove - 1);
9535 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9536 &time, &nodes, &plylev, &mvleft,
9537 &mvtot, mvname) >= 5) {
9538 /* The stat01: line is from Crafty (9.29+) in response
9539 to the "." command */
9540 programStats.seen_stat = 1;
9541 cps->maybeThinking = TRUE;
9543 if (programStats.got_only_move || !appData.periodicUpdates)
9546 programStats.depth = plylev;
9547 programStats.time = time;
9548 programStats.nodes = nodes;
9549 programStats.moves_left = mvleft;
9550 programStats.nr_moves = mvtot;
9551 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9552 programStats.ok_to_send = 1;
9553 programStats.movelist[0] = '\0';
9555 SendProgramStatsToFrontend( cps, &programStats );
9559 } else if (strncmp(message,"++",2) == 0) {
9560 /* Crafty 9.29+ outputs this */
9561 programStats.got_fail = 2;
9564 } else if (strncmp(message,"--",2) == 0) {
9565 /* Crafty 9.29+ outputs this */
9566 programStats.got_fail = 1;
9569 } else if (thinkOutput[0] != NULLCHAR &&
9570 strncmp(message, " ", 4) == 0) {
9571 unsigned message_len;
9574 while (*p && *p == ' ') p++;
9576 message_len = strlen( p );
9578 /* [AS] Avoid buffer overflow */
9579 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9580 strcat(thinkOutput, " ");
9581 strcat(thinkOutput, p);
9584 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9585 strcat(programStats.movelist, " ");
9586 strcat(programStats.movelist, p);
9589 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9590 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9591 DisplayMove(currentMove - 1);
9599 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9600 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9602 ChessProgramStats cpstats;
9604 if (plyext != ' ' && plyext != '\t') {
9608 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9609 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9610 curscore = -curscore;
9613 cpstats.depth = plylev;
9614 cpstats.nodes = nodes;
9615 cpstats.time = time;
9616 cpstats.score = curscore;
9617 cpstats.got_only_move = 0;
9618 cpstats.movelist[0] = '\0';
9620 if (buf1[0] != NULLCHAR) {
9621 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9624 cpstats.ok_to_send = 0;
9625 cpstats.line_is_book = 0;
9626 cpstats.nr_moves = 0;
9627 cpstats.moves_left = 0;
9629 SendProgramStatsToFrontend( cps, &cpstats );
9636 /* Parse a game score from the character string "game", and
9637 record it as the history of the current game. The game
9638 score is NOT assumed to start from the standard position.
9639 The display is not updated in any way.
9642 ParseGameHistory (char *game)
9645 int fromX, fromY, toX, toY, boardIndex;
9650 if (appData.debugMode)
9651 fprintf(debugFP, "Parsing game history: %s\n", game);
9653 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9654 gameInfo.site = StrSave(appData.icsHost);
9655 gameInfo.date = PGNDate();
9656 gameInfo.round = StrSave("-");
9658 /* Parse out names of players */
9659 while (*game == ' ') game++;
9661 while (*game != ' ') *p++ = *game++;
9663 gameInfo.white = StrSave(buf);
9664 while (*game == ' ') game++;
9666 while (*game != ' ' && *game != '\n') *p++ = *game++;
9668 gameInfo.black = StrSave(buf);
9671 boardIndex = blackPlaysFirst ? 1 : 0;
9674 yyboardindex = boardIndex;
9675 moveType = (ChessMove) Myylex();
9677 case IllegalMove: /* maybe suicide chess, etc. */
9678 if (appData.debugMode) {
9679 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9680 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9681 setbuf(debugFP, NULL);
9683 case WhitePromotion:
9684 case BlackPromotion:
9685 case WhiteNonPromotion:
9686 case BlackNonPromotion:
9689 case WhiteCapturesEnPassant:
9690 case BlackCapturesEnPassant:
9691 case WhiteKingSideCastle:
9692 case WhiteQueenSideCastle:
9693 case BlackKingSideCastle:
9694 case BlackQueenSideCastle:
9695 case WhiteKingSideCastleWild:
9696 case WhiteQueenSideCastleWild:
9697 case BlackKingSideCastleWild:
9698 case BlackQueenSideCastleWild:
9700 case WhiteHSideCastleFR:
9701 case WhiteASideCastleFR:
9702 case BlackHSideCastleFR:
9703 case BlackASideCastleFR:
9705 fromX = currentMoveString[0] - AAA;
9706 fromY = currentMoveString[1] - ONE;
9707 toX = currentMoveString[2] - AAA;
9708 toY = currentMoveString[3] - ONE;
9709 promoChar = currentMoveString[4];
9713 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9714 fromX = moveType == WhiteDrop ?
9715 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9716 (int) CharToPiece(ToLower(currentMoveString[0]));
9718 toX = currentMoveString[2] - AAA;
9719 toY = currentMoveString[3] - ONE;
9720 promoChar = NULLCHAR;
9724 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9725 if (appData.debugMode) {
9726 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9727 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9728 setbuf(debugFP, NULL);
9730 DisplayError(buf, 0);
9732 case ImpossibleMove:
9734 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9735 if (appData.debugMode) {
9736 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9737 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9738 setbuf(debugFP, NULL);
9740 DisplayError(buf, 0);
9743 if (boardIndex < backwardMostMove) {
9744 /* Oops, gap. How did that happen? */
9745 DisplayError(_("Gap in move list"), 0);
9748 backwardMostMove = blackPlaysFirst ? 1 : 0;
9749 if (boardIndex > forwardMostMove) {
9750 forwardMostMove = boardIndex;
9754 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9755 strcat(parseList[boardIndex-1], " ");
9756 strcat(parseList[boardIndex-1], yy_text);
9768 case GameUnfinished:
9769 if (gameMode == IcsExamining) {
9770 if (boardIndex < backwardMostMove) {
9771 /* Oops, gap. How did that happen? */
9774 backwardMostMove = blackPlaysFirst ? 1 : 0;
9777 gameInfo.result = moveType;
9778 p = strchr(yy_text, '{');
9779 if (p == NULL) p = strchr(yy_text, '(');
9782 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9784 q = strchr(p, *p == '{' ? '}' : ')');
9785 if (q != NULL) *q = NULLCHAR;
9788 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9789 gameInfo.resultDetails = StrSave(p);
9792 if (boardIndex >= forwardMostMove &&
9793 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9794 backwardMostMove = blackPlaysFirst ? 1 : 0;
9797 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9798 fromY, fromX, toY, toX, promoChar,
9799 parseList[boardIndex]);
9800 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9801 /* currentMoveString is set as a side-effect of yylex */
9802 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9803 strcat(moveList[boardIndex], "\n");
9805 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9806 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9812 if(!IS_SHOGI(gameInfo.variant))
9813 strcat(parseList[boardIndex - 1], "+");
9817 strcat(parseList[boardIndex - 1], "#");
9824 /* Apply a move to the given board */
9826 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9828 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9829 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9831 /* [HGM] compute & store e.p. status and castling rights for new position */
9832 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9834 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9835 oldEP = (signed char)board[EP_STATUS];
9836 board[EP_STATUS] = EP_NONE;
9838 if (fromY == DROP_RANK) {
9840 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9841 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9844 piece = board[toY][toX] = (ChessSquare) fromX;
9846 // ChessSquare victim;
9849 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9850 // victim = board[killY][killX],
9851 board[killY][killX] = EmptySquare,
9852 board[EP_STATUS] = EP_CAPTURE;
9854 if( board[toY][toX] != EmptySquare ) {
9855 board[EP_STATUS] = EP_CAPTURE;
9856 if( (fromX != toX || fromY != toY) && // not igui!
9857 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9858 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9859 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9863 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9864 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9865 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9867 if( board[fromY][fromX] == WhitePawn ) {
9868 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9869 board[EP_STATUS] = EP_PAWN_MOVE;
9871 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9872 gameInfo.variant != VariantBerolina || toX < fromX)
9873 board[EP_STATUS] = toX | berolina;
9874 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9875 gameInfo.variant != VariantBerolina || toX > fromX)
9876 board[EP_STATUS] = toX;
9879 if( board[fromY][fromX] == BlackPawn ) {
9880 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9881 board[EP_STATUS] = EP_PAWN_MOVE;
9882 if( toY-fromY== -2) {
9883 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9884 gameInfo.variant != VariantBerolina || toX < fromX)
9885 board[EP_STATUS] = toX | berolina;
9886 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9887 gameInfo.variant != VariantBerolina || toX > fromX)
9888 board[EP_STATUS] = toX;
9892 for(i=0; i<nrCastlingRights; i++) {
9893 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9894 board[CASTLING][i] == toX && castlingRank[i] == toY
9895 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9898 if(gameInfo.variant == VariantSChess) { // update virginity
9899 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9900 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9901 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9902 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9905 if (fromX == toX && fromY == toY) return;
9907 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9908 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9909 if(gameInfo.variant == VariantKnightmate)
9910 king += (int) WhiteUnicorn - (int) WhiteKing;
9912 /* Code added by Tord: */
9913 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9914 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9915 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9916 board[fromY][fromX] = EmptySquare;
9917 board[toY][toX] = EmptySquare;
9918 if((toX > fromX) != (piece == WhiteRook)) {
9919 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9921 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9923 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9924 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9925 board[fromY][fromX] = EmptySquare;
9926 board[toY][toX] = EmptySquare;
9927 if((toX > fromX) != (piece == BlackRook)) {
9928 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9930 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9932 /* End of code added by Tord */
9934 } else if (board[fromY][fromX] == king
9935 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9936 && toY == fromY && toX > fromX+1) {
9937 board[fromY][fromX] = EmptySquare;
9938 board[toY][toX] = king;
9939 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9940 board[fromY][BOARD_RGHT-1] = EmptySquare;
9941 } else if (board[fromY][fromX] == king
9942 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9943 && toY == fromY && toX < fromX-1) {
9944 board[fromY][fromX] = EmptySquare;
9945 board[toY][toX] = king;
9946 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9947 board[fromY][BOARD_LEFT] = EmptySquare;
9948 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9949 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9950 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9952 /* white pawn promotion */
9953 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9954 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9955 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9956 board[fromY][fromX] = EmptySquare;
9957 } else if ((fromY >= BOARD_HEIGHT>>1)
9958 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9960 && gameInfo.variant != VariantXiangqi
9961 && gameInfo.variant != VariantBerolina
9962 && (board[fromY][fromX] == WhitePawn)
9963 && (board[toY][toX] == EmptySquare)) {
9964 board[fromY][fromX] = EmptySquare;
9965 board[toY][toX] = WhitePawn;
9966 captured = board[toY - 1][toX];
9967 board[toY - 1][toX] = EmptySquare;
9968 } else if ((fromY == BOARD_HEIGHT-4)
9970 && gameInfo.variant == VariantBerolina
9971 && (board[fromY][fromX] == WhitePawn)
9972 && (board[toY][toX] == EmptySquare)) {
9973 board[fromY][fromX] = EmptySquare;
9974 board[toY][toX] = WhitePawn;
9975 if(oldEP & EP_BEROLIN_A) {
9976 captured = board[fromY][fromX-1];
9977 board[fromY][fromX-1] = EmptySquare;
9978 }else{ captured = board[fromY][fromX+1];
9979 board[fromY][fromX+1] = EmptySquare;
9981 } else if (board[fromY][fromX] == king
9982 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9983 && toY == fromY && toX > fromX+1) {
9984 board[fromY][fromX] = EmptySquare;
9985 board[toY][toX] = king;
9986 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9987 board[fromY][BOARD_RGHT-1] = EmptySquare;
9988 } else if (board[fromY][fromX] == king
9989 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9990 && toY == fromY && toX < fromX-1) {
9991 board[fromY][fromX] = EmptySquare;
9992 board[toY][toX] = king;
9993 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9994 board[fromY][BOARD_LEFT] = EmptySquare;
9995 } else if (fromY == 7 && fromX == 3
9996 && board[fromY][fromX] == BlackKing
9997 && toY == 7 && toX == 5) {
9998 board[fromY][fromX] = EmptySquare;
9999 board[toY][toX] = BlackKing;
10000 board[fromY][7] = EmptySquare;
10001 board[toY][4] = BlackRook;
10002 } else if (fromY == 7 && fromX == 3
10003 && board[fromY][fromX] == BlackKing
10004 && toY == 7 && toX == 1) {
10005 board[fromY][fromX] = EmptySquare;
10006 board[toY][toX] = BlackKing;
10007 board[fromY][0] = EmptySquare;
10008 board[toY][2] = BlackRook;
10009 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10010 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10011 && toY < promoRank && promoChar
10013 /* black pawn promotion */
10014 board[toY][toX] = CharToPiece(ToLower(promoChar));
10015 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10016 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10017 board[fromY][fromX] = EmptySquare;
10018 } else if ((fromY < BOARD_HEIGHT>>1)
10019 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10021 && gameInfo.variant != VariantXiangqi
10022 && gameInfo.variant != VariantBerolina
10023 && (board[fromY][fromX] == BlackPawn)
10024 && (board[toY][toX] == EmptySquare)) {
10025 board[fromY][fromX] = EmptySquare;
10026 board[toY][toX] = BlackPawn;
10027 captured = board[toY + 1][toX];
10028 board[toY + 1][toX] = EmptySquare;
10029 } else if ((fromY == 3)
10031 && gameInfo.variant == VariantBerolina
10032 && (board[fromY][fromX] == BlackPawn)
10033 && (board[toY][toX] == EmptySquare)) {
10034 board[fromY][fromX] = EmptySquare;
10035 board[toY][toX] = BlackPawn;
10036 if(oldEP & EP_BEROLIN_A) {
10037 captured = board[fromY][fromX-1];
10038 board[fromY][fromX-1] = EmptySquare;
10039 }else{ captured = board[fromY][fromX+1];
10040 board[fromY][fromX+1] = EmptySquare;
10043 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10044 board[fromY][fromX] = EmptySquare;
10045 board[toY][toX] = piece;
10049 if (gameInfo.holdingsWidth != 0) {
10051 /* !!A lot more code needs to be written to support holdings */
10052 /* [HGM] OK, so I have written it. Holdings are stored in the */
10053 /* penultimate board files, so they are automaticlly stored */
10054 /* in the game history. */
10055 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10056 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10057 /* Delete from holdings, by decreasing count */
10058 /* and erasing image if necessary */
10059 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10060 if(p < (int) BlackPawn) { /* white drop */
10061 p -= (int)WhitePawn;
10062 p = PieceToNumber((ChessSquare)p);
10063 if(p >= gameInfo.holdingsSize) p = 0;
10064 if(--board[p][BOARD_WIDTH-2] <= 0)
10065 board[p][BOARD_WIDTH-1] = EmptySquare;
10066 if((int)board[p][BOARD_WIDTH-2] < 0)
10067 board[p][BOARD_WIDTH-2] = 0;
10068 } else { /* black drop */
10069 p -= (int)BlackPawn;
10070 p = PieceToNumber((ChessSquare)p);
10071 if(p >= gameInfo.holdingsSize) p = 0;
10072 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10073 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10074 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10075 board[BOARD_HEIGHT-1-p][1] = 0;
10078 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10079 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10080 /* [HGM] holdings: Add to holdings, if holdings exist */
10081 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10082 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10083 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10085 p = (int) captured;
10086 if (p >= (int) BlackPawn) {
10087 p -= (int)BlackPawn;
10088 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10089 /* in Shogi restore piece to its original first */
10090 captured = (ChessSquare) (DEMOTED captured);
10093 p = PieceToNumber((ChessSquare)p);
10094 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10095 board[p][BOARD_WIDTH-2]++;
10096 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10098 p -= (int)WhitePawn;
10099 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10100 captured = (ChessSquare) (DEMOTED captured);
10103 p = PieceToNumber((ChessSquare)p);
10104 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10105 board[BOARD_HEIGHT-1-p][1]++;
10106 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10109 } else if (gameInfo.variant == VariantAtomic) {
10110 if (captured != EmptySquare) {
10112 for (y = toY-1; y <= toY+1; y++) {
10113 for (x = toX-1; x <= toX+1; x++) {
10114 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10115 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10116 board[y][x] = EmptySquare;
10120 board[toY][toX] = EmptySquare;
10124 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10125 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10127 if(promoChar == '+') {
10128 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10129 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10130 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10131 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10132 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10133 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10134 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10135 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10136 board[toY][toX] = newPiece;
10138 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10139 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10140 // [HGM] superchess: take promotion piece out of holdings
10141 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10142 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10143 if(!--board[k][BOARD_WIDTH-2])
10144 board[k][BOARD_WIDTH-1] = EmptySquare;
10146 if(!--board[BOARD_HEIGHT-1-k][1])
10147 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10152 /* Updates forwardMostMove */
10154 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10156 int x = toX, y = toY;
10157 char *s = parseList[forwardMostMove];
10158 ChessSquare p = boards[forwardMostMove][toY][toX];
10159 // forwardMostMove++; // [HGM] bare: moved downstream
10161 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10162 (void) CoordsToAlgebraic(boards[forwardMostMove],
10163 PosFlags(forwardMostMove),
10164 fromY, fromX, y, x, promoChar,
10166 if(killX >= 0 && killY >= 0)
10167 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10169 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10170 int timeLeft; static int lastLoadFlag=0; int king, piece;
10171 piece = boards[forwardMostMove][fromY][fromX];
10172 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10173 if(gameInfo.variant == VariantKnightmate)
10174 king += (int) WhiteUnicorn - (int) WhiteKing;
10175 if(forwardMostMove == 0) {
10176 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10177 fprintf(serverMoves, "%s;", UserName());
10178 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10179 fprintf(serverMoves, "%s;", second.tidy);
10180 fprintf(serverMoves, "%s;", first.tidy);
10181 if(gameMode == MachinePlaysWhite)
10182 fprintf(serverMoves, "%s;", UserName());
10183 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10184 fprintf(serverMoves, "%s;", second.tidy);
10185 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10186 lastLoadFlag = loadFlag;
10188 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10189 // print castling suffix
10190 if( toY == fromY && piece == king ) {
10192 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10194 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10197 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10198 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10199 boards[forwardMostMove][toY][toX] == EmptySquare
10200 && fromX != toX && fromY != toY)
10201 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10202 // promotion suffix
10203 if(promoChar != NULLCHAR) {
10204 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10205 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10206 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10207 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10210 char buf[MOVE_LEN*2], *p; int len;
10211 fprintf(serverMoves, "/%d/%d",
10212 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10213 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10214 else timeLeft = blackTimeRemaining/1000;
10215 fprintf(serverMoves, "/%d", timeLeft);
10216 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10217 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10218 if(p = strchr(buf, '=')) *p = NULLCHAR;
10219 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10220 fprintf(serverMoves, "/%s", buf);
10222 fflush(serverMoves);
10225 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10226 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10229 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10230 if (commentList[forwardMostMove+1] != NULL) {
10231 free(commentList[forwardMostMove+1]);
10232 commentList[forwardMostMove+1] = NULL;
10234 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10235 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10236 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10237 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10238 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10239 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10240 adjustedClock = FALSE;
10241 gameInfo.result = GameUnfinished;
10242 if (gameInfo.resultDetails != NULL) {
10243 free(gameInfo.resultDetails);
10244 gameInfo.resultDetails = NULL;
10246 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10247 moveList[forwardMostMove - 1]);
10248 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10254 if(!IS_SHOGI(gameInfo.variant))
10255 strcat(parseList[forwardMostMove - 1], "+");
10259 strcat(parseList[forwardMostMove - 1], "#");
10264 /* Updates currentMove if not pausing */
10266 ShowMove (int fromX, int fromY, int toX, int toY)
10268 int instant = (gameMode == PlayFromGameFile) ?
10269 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10270 if(appData.noGUI) return;
10271 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10273 if (forwardMostMove == currentMove + 1) {
10274 AnimateMove(boards[forwardMostMove - 1],
10275 fromX, fromY, toX, toY);
10278 currentMove = forwardMostMove;
10281 killX = killY = -1; // [HGM] lion: used up
10283 if (instant) return;
10285 DisplayMove(currentMove - 1);
10286 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10287 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10288 SetHighlights(fromX, fromY, toX, toY);
10291 DrawPosition(FALSE, boards[currentMove]);
10292 DisplayBothClocks();
10293 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10297 SendEgtPath (ChessProgramState *cps)
10298 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10299 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10301 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10304 char c, *q = name+1, *r, *s;
10306 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10307 while(*p && *p != ',') *q++ = *p++;
10308 *q++ = ':'; *q = 0;
10309 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10310 strcmp(name, ",nalimov:") == 0 ) {
10311 // take nalimov path from the menu-changeable option first, if it is defined
10312 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10313 SendToProgram(buf,cps); // send egtbpath command for nalimov
10315 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10316 (s = StrStr(appData.egtFormats, name)) != NULL) {
10317 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10318 s = r = StrStr(s, ":") + 1; // beginning of path info
10319 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10320 c = *r; *r = 0; // temporarily null-terminate path info
10321 *--q = 0; // strip of trailig ':' from name
10322 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10324 SendToProgram(buf,cps); // send egtbpath command for this format
10326 if(*p == ',') p++; // read away comma to position for next format name
10331 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10333 int width = 8, height = 8, holdings = 0; // most common sizes
10334 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10335 // correct the deviations default for each variant
10336 if( v == VariantXiangqi ) width = 9, height = 10;
10337 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10338 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10339 if( v == VariantCapablanca || v == VariantCapaRandom ||
10340 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10342 if( v == VariantCourier ) width = 12;
10343 if( v == VariantSuper ) holdings = 8;
10344 if( v == VariantGreat ) width = 10, holdings = 8;
10345 if( v == VariantSChess ) holdings = 7;
10346 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10347 if( v == VariantChuChess) width = 10, height = 10;
10348 if( v == VariantChu ) width = 12, height = 12;
10349 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10350 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10351 holdingsSize >= 0 && holdingsSize != holdings;
10354 char variantError[MSG_SIZ];
10357 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10358 { // returns error message (recognizable by upper-case) if engine does not support the variant
10359 char *p, *variant = VariantName(v);
10360 static char b[MSG_SIZ];
10361 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10362 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10363 holdingsSize, variant); // cook up sized variant name
10364 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10365 if(StrStr(list, b) == NULL) {
10366 // specific sized variant not known, check if general sizing allowed
10367 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10368 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10369 boardWidth, boardHeight, holdingsSize, engine);
10372 /* [HGM] here we really should compare with the maximum supported board size */
10374 } else snprintf(b, MSG_SIZ,"%s", variant);
10375 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10376 p = StrStr(list, b);
10377 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10379 // occurs not at all in list, or only as sub-string
10380 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10381 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10382 int l = strlen(variantError);
10384 while(p != list && p[-1] != ',') p--;
10385 q = strchr(p, ',');
10386 if(q) *q = NULLCHAR;
10387 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10396 InitChessProgram (ChessProgramState *cps, int setup)
10397 /* setup needed to setup FRC opening position */
10399 char buf[MSG_SIZ], *b;
10400 if (appData.noChessProgram) return;
10401 hintRequested = FALSE;
10402 bookRequested = FALSE;
10404 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10405 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10406 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10407 if(cps->memSize) { /* [HGM] memory */
10408 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10409 SendToProgram(buf, cps);
10411 SendEgtPath(cps); /* [HGM] EGT */
10412 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10413 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10414 SendToProgram(buf, cps);
10417 SendToProgram(cps->initString, cps);
10418 if (gameInfo.variant != VariantNormal &&
10419 gameInfo.variant != VariantLoadable
10420 /* [HGM] also send variant if board size non-standard */
10421 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10423 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10424 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10426 DisplayFatalError(variantError, 0, 1);
10430 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10431 SendToProgram(buf, cps);
10433 currentlyInitializedVariant = gameInfo.variant;
10435 /* [HGM] send opening position in FRC to first engine */
10437 SendToProgram("force\n", cps);
10439 /* engine is now in force mode! Set flag to wake it up after first move. */
10440 setboardSpoiledMachineBlack = 1;
10443 if (cps->sendICS) {
10444 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10445 SendToProgram(buf, cps);
10447 cps->maybeThinking = FALSE;
10448 cps->offeredDraw = 0;
10449 if (!appData.icsActive) {
10450 SendTimeControl(cps, movesPerSession, timeControl,
10451 timeIncrement, appData.searchDepth,
10454 if (appData.showThinking
10455 // [HGM] thinking: four options require thinking output to be sent
10456 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10458 SendToProgram("post\n", cps);
10460 SendToProgram("hard\n", cps);
10461 if (!appData.ponderNextMove) {
10462 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10463 it without being sure what state we are in first. "hard"
10464 is not a toggle, so that one is OK.
10466 SendToProgram("easy\n", cps);
10468 if (cps->usePing) {
10469 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10470 SendToProgram(buf, cps);
10472 cps->initDone = TRUE;
10473 ClearEngineOutputPane(cps == &second);
10478 ResendOptions (ChessProgramState *cps)
10479 { // send the stored value of the options
10482 Option *opt = cps->option;
10483 for(i=0; i<cps->nrOptions; i++, opt++) {
10484 switch(opt->type) {
10488 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10491 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10494 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10500 SendToProgram(buf, cps);
10505 StartChessProgram (ChessProgramState *cps)
10510 if (appData.noChessProgram) return;
10511 cps->initDone = FALSE;
10513 if (strcmp(cps->host, "localhost") == 0) {
10514 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10515 } else if (*appData.remoteShell == NULLCHAR) {
10516 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10518 if (*appData.remoteUser == NULLCHAR) {
10519 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10522 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10523 cps->host, appData.remoteUser, cps->program);
10525 err = StartChildProcess(buf, "", &cps->pr);
10529 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10530 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10531 if(cps != &first) return;
10532 appData.noChessProgram = TRUE;
10535 // DisplayFatalError(buf, err, 1);
10536 // cps->pr = NoProc;
10537 // cps->isr = NULL;
10541 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10542 if (cps->protocolVersion > 1) {
10543 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10544 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10545 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10546 cps->comboCnt = 0; // and values of combo boxes
10548 SendToProgram(buf, cps);
10549 if(cps->reload) ResendOptions(cps);
10551 SendToProgram("xboard\n", cps);
10556 TwoMachinesEventIfReady P((void))
10558 static int curMess = 0;
10559 if (first.lastPing != first.lastPong) {
10560 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10561 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10564 if (second.lastPing != second.lastPong) {
10565 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10566 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10569 DisplayMessage("", ""); curMess = 0;
10570 TwoMachinesEvent();
10574 MakeName (char *template)
10578 static char buf[MSG_SIZ];
10582 clock = time((time_t *)NULL);
10583 tm = localtime(&clock);
10585 while(*p++ = *template++) if(p[-1] == '%') {
10586 switch(*template++) {
10587 case 0: *p = 0; return buf;
10588 case 'Y': i = tm->tm_year+1900; break;
10589 case 'y': i = tm->tm_year-100; break;
10590 case 'M': i = tm->tm_mon+1; break;
10591 case 'd': i = tm->tm_mday; break;
10592 case 'h': i = tm->tm_hour; break;
10593 case 'm': i = tm->tm_min; break;
10594 case 's': i = tm->tm_sec; break;
10597 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10603 CountPlayers (char *p)
10606 while(p = strchr(p, '\n')) p++, n++; // count participants
10611 WriteTourneyFile (char *results, FILE *f)
10612 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10613 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10614 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10615 // create a file with tournament description
10616 fprintf(f, "-participants {%s}\n", appData.participants);
10617 fprintf(f, "-seedBase %d\n", appData.seedBase);
10618 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10619 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10620 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10621 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10622 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10623 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10624 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10625 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10626 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10627 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10628 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10629 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10630 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10631 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10632 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10633 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10634 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10635 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10636 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10637 fprintf(f, "-smpCores %d\n", appData.smpCores);
10639 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10641 fprintf(f, "-mps %d\n", appData.movesPerSession);
10642 fprintf(f, "-tc %s\n", appData.timeControl);
10643 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10645 fprintf(f, "-results \"%s\"\n", results);
10650 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10653 Substitute (char *participants, int expunge)
10655 int i, changed, changes=0, nPlayers=0;
10656 char *p, *q, *r, buf[MSG_SIZ];
10657 if(participants == NULL) return;
10658 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10659 r = p = participants; q = appData.participants;
10660 while(*p && *p == *q) {
10661 if(*p == '\n') r = p+1, nPlayers++;
10664 if(*p) { // difference
10665 while(*p && *p++ != '\n');
10666 while(*q && *q++ != '\n');
10667 changed = nPlayers;
10668 changes = 1 + (strcmp(p, q) != 0);
10670 if(changes == 1) { // a single engine mnemonic was changed
10671 q = r; while(*q) nPlayers += (*q++ == '\n');
10672 p = buf; while(*r && (*p = *r++) != '\n') p++;
10674 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10675 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10676 if(mnemonic[i]) { // The substitute is valid
10678 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10679 flock(fileno(f), LOCK_EX);
10680 ParseArgsFromFile(f);
10681 fseek(f, 0, SEEK_SET);
10682 FREE(appData.participants); appData.participants = participants;
10683 if(expunge) { // erase results of replaced engine
10684 int len = strlen(appData.results), w, b, dummy;
10685 for(i=0; i<len; i++) {
10686 Pairing(i, nPlayers, &w, &b, &dummy);
10687 if((w == changed || b == changed) && appData.results[i] == '*') {
10688 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10693 for(i=0; i<len; i++) {
10694 Pairing(i, nPlayers, &w, &b, &dummy);
10695 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10698 WriteTourneyFile(appData.results, f);
10699 fclose(f); // release lock
10702 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10704 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10705 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10706 free(participants);
10711 CheckPlayers (char *participants)
10714 char buf[MSG_SIZ], *p;
10715 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10716 while(p = strchr(participants, '\n')) {
10718 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10720 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10722 DisplayError(buf, 0);
10726 participants = p + 1;
10732 CreateTourney (char *name)
10735 if(matchMode && strcmp(name, appData.tourneyFile)) {
10736 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10738 if(name[0] == NULLCHAR) {
10739 if(appData.participants[0])
10740 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10743 f = fopen(name, "r");
10744 if(f) { // file exists
10745 ASSIGN(appData.tourneyFile, name);
10746 ParseArgsFromFile(f); // parse it
10748 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10749 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10750 DisplayError(_("Not enough participants"), 0);
10753 if(CheckPlayers(appData.participants)) return 0;
10754 ASSIGN(appData.tourneyFile, name);
10755 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10756 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10759 appData.noChessProgram = FALSE;
10760 appData.clockMode = TRUE;
10766 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10768 char buf[MSG_SIZ], *p, *q;
10769 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10770 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10771 skip = !all && group[0]; // if group requested, we start in skip mode
10772 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10773 p = names; q = buf; header = 0;
10774 while(*p && *p != '\n') *q++ = *p++;
10776 if(*p == '\n') p++;
10777 if(buf[0] == '#') {
10778 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10779 depth++; // we must be entering a new group
10780 if(all) continue; // suppress printing group headers when complete list requested
10782 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10784 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10785 if(engineList[i]) free(engineList[i]);
10786 engineList[i] = strdup(buf);
10787 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10788 if(engineMnemonic[i]) free(engineMnemonic[i]);
10789 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10791 sscanf(q + 8, "%s", buf + strlen(buf));
10794 engineMnemonic[i] = strdup(buf);
10797 engineList[i] = engineMnemonic[i] = NULL;
10801 // following implemented as macro to avoid type limitations
10802 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10805 SwapEngines (int n)
10806 { // swap settings for first engine and other engine (so far only some selected options)
10811 SWAP(chessProgram, p)
10813 SWAP(hasOwnBookUCI, h)
10814 SWAP(protocolVersion, h)
10816 SWAP(scoreIsAbsolute, h)
10821 SWAP(engOptions, p)
10822 SWAP(engInitString, p)
10823 SWAP(computerString, p)
10825 SWAP(fenOverride, p)
10827 SWAP(accumulateTC, h)
10833 GetEngineLine (char *s, int n)
10837 extern char *icsNames;
10838 if(!s || !*s) return 0;
10839 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10840 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10841 if(!mnemonic[i]) return 0;
10842 if(n == 11) return 1; // just testing if there was a match
10843 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10844 if(n == 1) SwapEngines(n);
10845 ParseArgsFromString(buf);
10846 if(n == 1) SwapEngines(n);
10847 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10848 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10849 ParseArgsFromString(buf);
10855 SetPlayer (int player, char *p)
10856 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10858 char buf[MSG_SIZ], *engineName;
10859 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10860 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10861 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10863 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10864 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10865 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10866 ParseArgsFromString(buf);
10867 } else { // no engine with this nickname is installed!
10868 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10869 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10870 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10872 DisplayError(buf, 0);
10879 char *recentEngines;
10882 RecentEngineEvent (int nr)
10885 // SwapEngines(1); // bump first to second
10886 // ReplaceEngine(&second, 1); // and load it there
10887 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10888 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10889 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10890 ReplaceEngine(&first, 0);
10891 FloatToFront(&appData.recentEngineList, command[n]);
10896 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10897 { // determine players from game number
10898 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10900 if(appData.tourneyType == 0) {
10901 roundsPerCycle = (nPlayers - 1) | 1;
10902 pairingsPerRound = nPlayers / 2;
10903 } else if(appData.tourneyType > 0) {
10904 roundsPerCycle = nPlayers - appData.tourneyType;
10905 pairingsPerRound = appData.tourneyType;
10907 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10908 gamesPerCycle = gamesPerRound * roundsPerCycle;
10909 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10910 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10911 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10912 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10913 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10914 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10916 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10917 if(appData.roundSync) *syncInterval = gamesPerRound;
10919 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10921 if(appData.tourneyType == 0) {
10922 if(curPairing == (nPlayers-1)/2 ) {
10923 *whitePlayer = curRound;
10924 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10926 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10927 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10928 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10929 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10931 } else if(appData.tourneyType > 1) {
10932 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10933 *whitePlayer = curRound + appData.tourneyType;
10934 } else if(appData.tourneyType > 0) {
10935 *whitePlayer = curPairing;
10936 *blackPlayer = curRound + appData.tourneyType;
10939 // take care of white/black alternation per round.
10940 // For cycles and games this is already taken care of by default, derived from matchGame!
10941 return curRound & 1;
10945 NextTourneyGame (int nr, int *swapColors)
10946 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10948 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10950 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10951 tf = fopen(appData.tourneyFile, "r");
10952 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10953 ParseArgsFromFile(tf); fclose(tf);
10954 InitTimeControls(); // TC might be altered from tourney file
10956 nPlayers = CountPlayers(appData.participants); // count participants
10957 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10958 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10961 p = q = appData.results;
10962 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10963 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10964 DisplayMessage(_("Waiting for other game(s)"),"");
10965 waitingForGame = TRUE;
10966 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10969 waitingForGame = FALSE;
10972 if(appData.tourneyType < 0) {
10973 if(nr>=0 && !pairingReceived) {
10975 if(pairing.pr == NoProc) {
10976 if(!appData.pairingEngine[0]) {
10977 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10980 StartChessProgram(&pairing); // starts the pairing engine
10982 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10983 SendToProgram(buf, &pairing);
10984 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10985 SendToProgram(buf, &pairing);
10986 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10988 pairingReceived = 0; // ... so we continue here
10990 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10991 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10992 matchGame = 1; roundNr = nr / syncInterval + 1;
10995 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10997 // redefine engines, engine dir, etc.
10998 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10999 if(first.pr == NoProc) {
11000 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11001 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11003 if(second.pr == NoProc) {
11005 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11006 SwapEngines(1); // and make that valid for second engine by swapping
11007 InitEngine(&second, 1);
11009 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11010 UpdateLogos(FALSE); // leave display to ModeHiglight()
11016 { // performs game initialization that does not invoke engines, and then tries to start the game
11017 int res, firstWhite, swapColors = 0;
11018 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11019 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
11021 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11022 if(strcmp(buf, currentDebugFile)) { // name has changed
11023 FILE *f = fopen(buf, "w");
11024 if(f) { // if opening the new file failed, just keep using the old one
11025 ASSIGN(currentDebugFile, buf);
11029 if(appData.serverFileName) {
11030 if(serverFP) fclose(serverFP);
11031 serverFP = fopen(appData.serverFileName, "w");
11032 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11033 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11037 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11038 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11039 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11040 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11041 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11042 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11043 Reset(FALSE, first.pr != NoProc);
11044 res = LoadGameOrPosition(matchGame); // setup game
11045 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11046 if(!res) return; // abort when bad game/pos file
11047 TwoMachinesEvent();
11051 UserAdjudicationEvent (int result)
11053 ChessMove gameResult = GameIsDrawn;
11056 gameResult = WhiteWins;
11058 else if( result < 0 ) {
11059 gameResult = BlackWins;
11062 if( gameMode == TwoMachinesPlay ) {
11063 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11068 // [HGM] save: calculate checksum of game to make games easily identifiable
11070 StringCheckSum (char *s)
11073 if(s==NULL) return 0;
11074 while(*s) i = i*259 + *s++;
11082 for(i=backwardMostMove; i<forwardMostMove; i++) {
11083 sum += pvInfoList[i].depth;
11084 sum += StringCheckSum(parseList[i]);
11085 sum += StringCheckSum(commentList[i]);
11088 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11089 return sum + StringCheckSum(commentList[i]);
11090 } // end of save patch
11093 GameEnds (ChessMove result, char *resultDetails, int whosays)
11095 GameMode nextGameMode;
11097 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11099 if(endingGame) return; /* [HGM] crash: forbid recursion */
11101 if(twoBoards) { // [HGM] dual: switch back to one board
11102 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11103 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11105 if (appData.debugMode) {
11106 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11107 result, resultDetails ? resultDetails : "(null)", whosays);
11110 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11112 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11114 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11115 /* If we are playing on ICS, the server decides when the
11116 game is over, but the engine can offer to draw, claim
11120 if (appData.zippyPlay && first.initDone) {
11121 if (result == GameIsDrawn) {
11122 /* In case draw still needs to be claimed */
11123 SendToICS(ics_prefix);
11124 SendToICS("draw\n");
11125 } else if (StrCaseStr(resultDetails, "resign")) {
11126 SendToICS(ics_prefix);
11127 SendToICS("resign\n");
11131 endingGame = 0; /* [HGM] crash */
11135 /* If we're loading the game from a file, stop */
11136 if (whosays == GE_FILE) {
11137 (void) StopLoadGameTimer();
11141 /* Cancel draw offers */
11142 first.offeredDraw = second.offeredDraw = 0;
11144 /* If this is an ICS game, only ICS can really say it's done;
11145 if not, anyone can. */
11146 isIcsGame = (gameMode == IcsPlayingWhite ||
11147 gameMode == IcsPlayingBlack ||
11148 gameMode == IcsObserving ||
11149 gameMode == IcsExamining);
11151 if (!isIcsGame || whosays == GE_ICS) {
11152 /* OK -- not an ICS game, or ICS said it was done */
11154 if (!isIcsGame && !appData.noChessProgram)
11155 SetUserThinkingEnables();
11157 /* [HGM] if a machine claims the game end we verify this claim */
11158 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11159 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11161 ChessMove trueResult = (ChessMove) -1;
11163 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11164 first.twoMachinesColor[0] :
11165 second.twoMachinesColor[0] ;
11167 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11168 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11169 /* [HGM] verify: engine mate claims accepted if they were flagged */
11170 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11172 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11173 /* [HGM] verify: engine mate claims accepted if they were flagged */
11174 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11176 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11177 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11180 // now verify win claims, but not in drop games, as we don't understand those yet
11181 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11182 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11183 (result == WhiteWins && claimer == 'w' ||
11184 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11185 if (appData.debugMode) {
11186 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11187 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11189 if(result != trueResult) {
11190 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11191 result = claimer == 'w' ? BlackWins : WhiteWins;
11192 resultDetails = buf;
11195 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11196 && (forwardMostMove <= backwardMostMove ||
11197 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11198 (claimer=='b')==(forwardMostMove&1))
11200 /* [HGM] verify: draws that were not flagged are false claims */
11201 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11202 result = claimer == 'w' ? BlackWins : WhiteWins;
11203 resultDetails = buf;
11205 /* (Claiming a loss is accepted no questions asked!) */
11206 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11207 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11208 result = GameUnfinished;
11209 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11211 /* [HGM] bare: don't allow bare King to win */
11212 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11213 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11214 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11215 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11216 && result != GameIsDrawn)
11217 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11218 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11219 int p = (signed char)boards[forwardMostMove][i][j] - color;
11220 if(p >= 0 && p <= (int)WhiteKing) k++;
11222 if (appData.debugMode) {
11223 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11224 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11227 result = GameIsDrawn;
11228 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11229 resultDetails = buf;
11235 if(serverMoves != NULL && !loadFlag) { char c = '=';
11236 if(result==WhiteWins) c = '+';
11237 if(result==BlackWins) c = '-';
11238 if(resultDetails != NULL)
11239 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11241 if (resultDetails != NULL) {
11242 gameInfo.result = result;
11243 gameInfo.resultDetails = StrSave(resultDetails);
11245 /* display last move only if game was not loaded from file */
11246 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11247 DisplayMove(currentMove - 1);
11249 if (forwardMostMove != 0) {
11250 if (gameMode != PlayFromGameFile && gameMode != EditGame
11251 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11253 if (*appData.saveGameFile != NULLCHAR) {
11254 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11255 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11257 SaveGameToFile(appData.saveGameFile, TRUE);
11258 } else if (appData.autoSaveGames) {
11259 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11261 if (*appData.savePositionFile != NULLCHAR) {
11262 SavePositionToFile(appData.savePositionFile);
11264 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11268 /* Tell program how game ended in case it is learning */
11269 /* [HGM] Moved this to after saving the PGN, just in case */
11270 /* engine died and we got here through time loss. In that */
11271 /* case we will get a fatal error writing the pipe, which */
11272 /* would otherwise lose us the PGN. */
11273 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11274 /* output during GameEnds should never be fatal anymore */
11275 if (gameMode == MachinePlaysWhite ||
11276 gameMode == MachinePlaysBlack ||
11277 gameMode == TwoMachinesPlay ||
11278 gameMode == IcsPlayingWhite ||
11279 gameMode == IcsPlayingBlack ||
11280 gameMode == BeginningOfGame) {
11282 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11284 if (first.pr != NoProc) {
11285 SendToProgram(buf, &first);
11287 if (second.pr != NoProc &&
11288 gameMode == TwoMachinesPlay) {
11289 SendToProgram(buf, &second);
11294 if (appData.icsActive) {
11295 if (appData.quietPlay &&
11296 (gameMode == IcsPlayingWhite ||
11297 gameMode == IcsPlayingBlack)) {
11298 SendToICS(ics_prefix);
11299 SendToICS("set shout 1\n");
11301 nextGameMode = IcsIdle;
11302 ics_user_moved = FALSE;
11303 /* clean up premove. It's ugly when the game has ended and the
11304 * premove highlights are still on the board.
11307 gotPremove = FALSE;
11308 ClearPremoveHighlights();
11309 DrawPosition(FALSE, boards[currentMove]);
11311 if (whosays == GE_ICS) {
11314 if (gameMode == IcsPlayingWhite)
11316 else if(gameMode == IcsPlayingBlack)
11317 PlayIcsLossSound();
11320 if (gameMode == IcsPlayingBlack)
11322 else if(gameMode == IcsPlayingWhite)
11323 PlayIcsLossSound();
11326 PlayIcsDrawSound();
11329 PlayIcsUnfinishedSound();
11332 if(appData.quitNext) { ExitEvent(0); return; }
11333 } else if (gameMode == EditGame ||
11334 gameMode == PlayFromGameFile ||
11335 gameMode == AnalyzeMode ||
11336 gameMode == AnalyzeFile) {
11337 nextGameMode = gameMode;
11339 nextGameMode = EndOfGame;
11344 nextGameMode = gameMode;
11347 if (appData.noChessProgram) {
11348 gameMode = nextGameMode;
11350 endingGame = 0; /* [HGM] crash */
11355 /* Put first chess program into idle state */
11356 if (first.pr != NoProc &&
11357 (gameMode == MachinePlaysWhite ||
11358 gameMode == MachinePlaysBlack ||
11359 gameMode == TwoMachinesPlay ||
11360 gameMode == IcsPlayingWhite ||
11361 gameMode == IcsPlayingBlack ||
11362 gameMode == BeginningOfGame)) {
11363 SendToProgram("force\n", &first);
11364 if (first.usePing) {
11366 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11367 SendToProgram(buf, &first);
11370 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11371 /* Kill off first chess program */
11372 if (first.isr != NULL)
11373 RemoveInputSource(first.isr);
11376 if (first.pr != NoProc) {
11378 DoSleep( appData.delayBeforeQuit );
11379 SendToProgram("quit\n", &first);
11380 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11381 first.reload = TRUE;
11385 if (second.reuse) {
11386 /* Put second chess program into idle state */
11387 if (second.pr != NoProc &&
11388 gameMode == TwoMachinesPlay) {
11389 SendToProgram("force\n", &second);
11390 if (second.usePing) {
11392 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11393 SendToProgram(buf, &second);
11396 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11397 /* Kill off second chess program */
11398 if (second.isr != NULL)
11399 RemoveInputSource(second.isr);
11402 if (second.pr != NoProc) {
11403 DoSleep( appData.delayBeforeQuit );
11404 SendToProgram("quit\n", &second);
11405 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11406 second.reload = TRUE;
11408 second.pr = NoProc;
11411 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11412 char resChar = '=';
11416 if (first.twoMachinesColor[0] == 'w') {
11419 second.matchWins++;
11424 if (first.twoMachinesColor[0] == 'b') {
11427 second.matchWins++;
11430 case GameUnfinished:
11436 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11437 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11438 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11439 ReserveGame(nextGame, resChar); // sets nextGame
11440 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11441 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11442 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11444 if (nextGame <= appData.matchGames && !abortMatch) {
11445 gameMode = nextGameMode;
11446 matchGame = nextGame; // this will be overruled in tourney mode!
11447 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11448 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11449 endingGame = 0; /* [HGM] crash */
11452 gameMode = nextGameMode;
11453 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11454 first.tidy, second.tidy,
11455 first.matchWins, second.matchWins,
11456 appData.matchGames - (first.matchWins + second.matchWins));
11457 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11458 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11459 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11460 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11461 first.twoMachinesColor = "black\n";
11462 second.twoMachinesColor = "white\n";
11464 first.twoMachinesColor = "white\n";
11465 second.twoMachinesColor = "black\n";
11469 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11470 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11472 gameMode = nextGameMode;
11474 endingGame = 0; /* [HGM] crash */
11475 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11476 if(matchMode == TRUE) { // match through command line: exit with or without popup
11478 ToNrEvent(forwardMostMove);
11479 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11481 } else DisplayFatalError(buf, 0, 0);
11482 } else { // match through menu; just stop, with or without popup
11483 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11486 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11487 } else DisplayNote(buf);
11489 if(ranking) free(ranking);
11493 /* Assumes program was just initialized (initString sent).
11494 Leaves program in force mode. */
11496 FeedMovesToProgram (ChessProgramState *cps, int upto)
11500 if (appData.debugMode)
11501 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11502 startedFromSetupPosition ? "position and " : "",
11503 backwardMostMove, upto, cps->which);
11504 if(currentlyInitializedVariant != gameInfo.variant) {
11506 // [HGM] variantswitch: make engine aware of new variant
11507 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11508 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11509 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11510 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11511 SendToProgram(buf, cps);
11512 currentlyInitializedVariant = gameInfo.variant;
11514 SendToProgram("force\n", cps);
11515 if (startedFromSetupPosition) {
11516 SendBoard(cps, backwardMostMove);
11517 if (appData.debugMode) {
11518 fprintf(debugFP, "feedMoves\n");
11521 for (i = backwardMostMove; i < upto; i++) {
11522 SendMoveToProgram(i, cps);
11528 ResurrectChessProgram ()
11530 /* The chess program may have exited.
11531 If so, restart it and feed it all the moves made so far. */
11532 static int doInit = 0;
11534 if (appData.noChessProgram) return 1;
11536 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11537 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11538 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11539 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11541 if (first.pr != NoProc) return 1;
11542 StartChessProgram(&first);
11544 InitChessProgram(&first, FALSE);
11545 FeedMovesToProgram(&first, currentMove);
11547 if (!first.sendTime) {
11548 /* can't tell gnuchess what its clock should read,
11549 so we bow to its notion. */
11551 timeRemaining[0][currentMove] = whiteTimeRemaining;
11552 timeRemaining[1][currentMove] = blackTimeRemaining;
11555 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11556 appData.icsEngineAnalyze) && first.analysisSupport) {
11557 SendToProgram("analyze\n", &first);
11558 first.analyzing = TRUE;
11564 * Button procedures
11567 Reset (int redraw, int init)
11571 if (appData.debugMode) {
11572 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11573 redraw, init, gameMode);
11575 CleanupTail(); // [HGM] vari: delete any stored variations
11576 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11577 pausing = pauseExamInvalid = FALSE;
11578 startedFromSetupPosition = blackPlaysFirst = FALSE;
11580 whiteFlag = blackFlag = FALSE;
11581 userOfferedDraw = FALSE;
11582 hintRequested = bookRequested = FALSE;
11583 first.maybeThinking = FALSE;
11584 second.maybeThinking = FALSE;
11585 first.bookSuspend = FALSE; // [HGM] book
11586 second.bookSuspend = FALSE;
11587 thinkOutput[0] = NULLCHAR;
11588 lastHint[0] = NULLCHAR;
11589 ClearGameInfo(&gameInfo);
11590 gameInfo.variant = StringToVariant(appData.variant);
11591 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11592 ics_user_moved = ics_clock_paused = FALSE;
11593 ics_getting_history = H_FALSE;
11595 white_holding[0] = black_holding[0] = NULLCHAR;
11596 ClearProgramStats();
11597 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11601 flipView = appData.flipView;
11602 ClearPremoveHighlights();
11603 gotPremove = FALSE;
11604 alarmSounded = FALSE;
11605 killX = killY = -1; // [HGM] lion
11607 GameEnds(EndOfFile, NULL, GE_PLAYER);
11608 if(appData.serverMovesName != NULL) {
11609 /* [HGM] prepare to make moves file for broadcasting */
11610 clock_t t = clock();
11611 if(serverMoves != NULL) fclose(serverMoves);
11612 serverMoves = fopen(appData.serverMovesName, "r");
11613 if(serverMoves != NULL) {
11614 fclose(serverMoves);
11615 /* delay 15 sec before overwriting, so all clients can see end */
11616 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11618 serverMoves = fopen(appData.serverMovesName, "w");
11622 gameMode = BeginningOfGame;
11624 if(appData.icsActive) gameInfo.variant = VariantNormal;
11625 currentMove = forwardMostMove = backwardMostMove = 0;
11626 MarkTargetSquares(1);
11627 InitPosition(redraw);
11628 for (i = 0; i < MAX_MOVES; i++) {
11629 if (commentList[i] != NULL) {
11630 free(commentList[i]);
11631 commentList[i] = NULL;
11635 timeRemaining[0][0] = whiteTimeRemaining;
11636 timeRemaining[1][0] = blackTimeRemaining;
11638 if (first.pr == NoProc) {
11639 StartChessProgram(&first);
11642 InitChessProgram(&first, startedFromSetupPosition);
11645 DisplayMessage("", "");
11646 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11647 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11648 ClearMap(); // [HGM] exclude: invalidate map
11652 AutoPlayGameLoop ()
11655 if (!AutoPlayOneMove())
11657 if (matchMode || appData.timeDelay == 0)
11659 if (appData.timeDelay < 0)
11661 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11669 ReloadGame(1); // next game
11675 int fromX, fromY, toX, toY;
11677 if (appData.debugMode) {
11678 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11681 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11684 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11685 pvInfoList[currentMove].depth = programStats.depth;
11686 pvInfoList[currentMove].score = programStats.score;
11687 pvInfoList[currentMove].time = 0;
11688 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11689 else { // append analysis of final position as comment
11691 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11692 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11694 programStats.depth = 0;
11697 if (currentMove >= forwardMostMove) {
11698 if(gameMode == AnalyzeFile) {
11699 if(appData.loadGameIndex == -1) {
11700 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11701 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11703 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11706 // gameMode = EndOfGame;
11707 // ModeHighlight();
11709 /* [AS] Clear current move marker at the end of a game */
11710 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11715 toX = moveList[currentMove][2] - AAA;
11716 toY = moveList[currentMove][3] - ONE;
11718 if (moveList[currentMove][1] == '@') {
11719 if (appData.highlightLastMove) {
11720 SetHighlights(-1, -1, toX, toY);
11723 fromX = moveList[currentMove][0] - AAA;
11724 fromY = moveList[currentMove][1] - ONE;
11726 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11728 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11730 if (appData.highlightLastMove) {
11731 SetHighlights(fromX, fromY, toX, toY);
11734 DisplayMove(currentMove);
11735 SendMoveToProgram(currentMove++, &first);
11736 DisplayBothClocks();
11737 DrawPosition(FALSE, boards[currentMove]);
11738 // [HGM] PV info: always display, routine tests if empty
11739 DisplayComment(currentMove - 1, commentList[currentMove]);
11745 LoadGameOneMove (ChessMove readAhead)
11747 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11748 char promoChar = NULLCHAR;
11749 ChessMove moveType;
11750 char move[MSG_SIZ];
11753 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11754 gameMode != AnalyzeMode && gameMode != Training) {
11759 yyboardindex = forwardMostMove;
11760 if (readAhead != EndOfFile) {
11761 moveType = readAhead;
11763 if (gameFileFP == NULL)
11765 moveType = (ChessMove) Myylex();
11769 switch (moveType) {
11771 if (appData.debugMode)
11772 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11775 /* append the comment but don't display it */
11776 AppendComment(currentMove, p, FALSE);
11779 case WhiteCapturesEnPassant:
11780 case BlackCapturesEnPassant:
11781 case WhitePromotion:
11782 case BlackPromotion:
11783 case WhiteNonPromotion:
11784 case BlackNonPromotion:
11787 case WhiteKingSideCastle:
11788 case WhiteQueenSideCastle:
11789 case BlackKingSideCastle:
11790 case BlackQueenSideCastle:
11791 case WhiteKingSideCastleWild:
11792 case WhiteQueenSideCastleWild:
11793 case BlackKingSideCastleWild:
11794 case BlackQueenSideCastleWild:
11796 case WhiteHSideCastleFR:
11797 case WhiteASideCastleFR:
11798 case BlackHSideCastleFR:
11799 case BlackASideCastleFR:
11801 if (appData.debugMode)
11802 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11803 fromX = currentMoveString[0] - AAA;
11804 fromY = currentMoveString[1] - ONE;
11805 toX = currentMoveString[2] - AAA;
11806 toY = currentMoveString[3] - ONE;
11807 promoChar = currentMoveString[4];
11808 if(promoChar == ';') promoChar = NULLCHAR;
11813 if (appData.debugMode)
11814 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11815 fromX = moveType == WhiteDrop ?
11816 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11817 (int) CharToPiece(ToLower(currentMoveString[0]));
11819 toX = currentMoveString[2] - AAA;
11820 toY = currentMoveString[3] - ONE;
11826 case GameUnfinished:
11827 if (appData.debugMode)
11828 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11829 p = strchr(yy_text, '{');
11830 if (p == NULL) p = strchr(yy_text, '(');
11833 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11835 q = strchr(p, *p == '{' ? '}' : ')');
11836 if (q != NULL) *q = NULLCHAR;
11839 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11840 GameEnds(moveType, p, GE_FILE);
11842 if (cmailMsgLoaded) {
11844 flipView = WhiteOnMove(currentMove);
11845 if (moveType == GameUnfinished) flipView = !flipView;
11846 if (appData.debugMode)
11847 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11852 if (appData.debugMode)
11853 fprintf(debugFP, "Parser hit end of file\n");
11854 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11860 if (WhiteOnMove(currentMove)) {
11861 GameEnds(BlackWins, "Black mates", GE_FILE);
11863 GameEnds(WhiteWins, "White mates", GE_FILE);
11867 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11873 case MoveNumberOne:
11874 if (lastLoadGameStart == GNUChessGame) {
11875 /* GNUChessGames have numbers, but they aren't move numbers */
11876 if (appData.debugMode)
11877 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11878 yy_text, (int) moveType);
11879 return LoadGameOneMove(EndOfFile); /* tail recursion */
11881 /* else fall thru */
11886 /* Reached start of next game in file */
11887 if (appData.debugMode)
11888 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11889 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11895 if (WhiteOnMove(currentMove)) {
11896 GameEnds(BlackWins, "Black mates", GE_FILE);
11898 GameEnds(WhiteWins, "White mates", GE_FILE);
11902 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11908 case PositionDiagram: /* should not happen; ignore */
11909 case ElapsedTime: /* ignore */
11910 case NAG: /* ignore */
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11913 yy_text, (int) moveType);
11914 return LoadGameOneMove(EndOfFile); /* tail recursion */
11917 if (appData.testLegality) {
11918 if (appData.debugMode)
11919 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11920 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11921 (forwardMostMove / 2) + 1,
11922 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11923 DisplayError(move, 0);
11926 if (appData.debugMode)
11927 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11928 yy_text, currentMoveString);
11929 fromX = currentMoveString[0] - AAA;
11930 fromY = currentMoveString[1] - ONE;
11931 toX = currentMoveString[2] - AAA;
11932 toY = currentMoveString[3] - ONE;
11933 promoChar = currentMoveString[4];
11937 case AmbiguousMove:
11938 if (appData.debugMode)
11939 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11940 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11941 (forwardMostMove / 2) + 1,
11942 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11943 DisplayError(move, 0);
11948 case ImpossibleMove:
11949 if (appData.debugMode)
11950 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11951 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11952 (forwardMostMove / 2) + 1,
11953 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11954 DisplayError(move, 0);
11960 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11961 DrawPosition(FALSE, boards[currentMove]);
11962 DisplayBothClocks();
11963 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11964 DisplayComment(currentMove - 1, commentList[currentMove]);
11966 (void) StopLoadGameTimer();
11968 cmailOldMove = forwardMostMove;
11971 /* currentMoveString is set as a side-effect of yylex */
11973 thinkOutput[0] = NULLCHAR;
11974 MakeMove(fromX, fromY, toX, toY, promoChar);
11975 killX = killY = -1; // [HGM] lion: used up
11976 currentMove = forwardMostMove;
11981 /* Load the nth game from the given file */
11983 LoadGameFromFile (char *filename, int n, char *title, int useList)
11988 if (strcmp(filename, "-") == 0) {
11992 f = fopen(filename, "rb");
11994 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11995 DisplayError(buf, errno);
11999 if (fseek(f, 0, 0) == -1) {
12000 /* f is not seekable; probably a pipe */
12003 if (useList && n == 0) {
12004 int error = GameListBuild(f);
12006 DisplayError(_("Cannot build game list"), error);
12007 } else if (!ListEmpty(&gameList) &&
12008 ((ListGame *) gameList.tailPred)->number > 1) {
12009 GameListPopUp(f, title);
12016 return LoadGame(f, n, title, FALSE);
12021 MakeRegisteredMove ()
12023 int fromX, fromY, toX, toY;
12025 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12026 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12029 if (appData.debugMode)
12030 fprintf(debugFP, "Restoring %s for game %d\n",
12031 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12033 thinkOutput[0] = NULLCHAR;
12034 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12035 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12036 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12037 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12038 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12039 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12040 MakeMove(fromX, fromY, toX, toY, promoChar);
12041 ShowMove(fromX, fromY, toX, toY);
12043 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12050 if (WhiteOnMove(currentMove)) {
12051 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12053 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12058 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12065 if (WhiteOnMove(currentMove)) {
12066 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12068 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12073 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12084 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12086 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12090 if (gameNumber > nCmailGames) {
12091 DisplayError(_("No more games in this message"), 0);
12094 if (f == lastLoadGameFP) {
12095 int offset = gameNumber - lastLoadGameNumber;
12097 cmailMsg[0] = NULLCHAR;
12098 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12099 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12100 nCmailMovesRegistered--;
12102 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12103 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12104 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12107 if (! RegisterMove()) return FALSE;
12111 retVal = LoadGame(f, gameNumber, title, useList);
12113 /* Make move registered during previous look at this game, if any */
12114 MakeRegisteredMove();
12116 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12117 commentList[currentMove]
12118 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12119 DisplayComment(currentMove - 1, commentList[currentMove]);
12125 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12127 ReloadGame (int offset)
12129 int gameNumber = lastLoadGameNumber + offset;
12130 if (lastLoadGameFP == NULL) {
12131 DisplayError(_("No game has been loaded yet"), 0);
12134 if (gameNumber <= 0) {
12135 DisplayError(_("Can't back up any further"), 0);
12138 if (cmailMsgLoaded) {
12139 return CmailLoadGame(lastLoadGameFP, gameNumber,
12140 lastLoadGameTitle, lastLoadGameUseList);
12142 return LoadGame(lastLoadGameFP, gameNumber,
12143 lastLoadGameTitle, lastLoadGameUseList);
12147 int keys[EmptySquare+1];
12150 PositionMatches (Board b1, Board b2)
12153 switch(appData.searchMode) {
12154 case 1: return CompareWithRights(b1, b2);
12156 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12157 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12161 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12162 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12163 sum += keys[b1[r][f]] - keys[b2[r][f]];
12167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12168 sum += keys[b1[r][f]] - keys[b2[r][f]];
12180 int pieceList[256], quickBoard[256];
12181 ChessSquare pieceType[256] = { EmptySquare };
12182 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12183 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12184 int soughtTotal, turn;
12185 Boolean epOK, flipSearch;
12188 unsigned char piece, to;
12191 #define DSIZE (250000)
12193 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12194 Move *moveDatabase = initialSpace;
12195 unsigned int movePtr, dataSize = DSIZE;
12198 MakePieceList (Board board, int *counts)
12200 int r, f, n=Q_PROMO, total=0;
12201 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12202 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12203 int sq = f + (r<<4);
12204 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12205 quickBoard[sq] = ++n;
12207 pieceType[n] = board[r][f];
12208 counts[board[r][f]]++;
12209 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12210 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12214 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12219 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12221 int sq = fromX + (fromY<<4);
12222 int piece = quickBoard[sq], rook;
12223 quickBoard[sq] = 0;
12224 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12225 if(piece == pieceList[1] && fromY == toY) {
12226 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12227 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12228 moveDatabase[movePtr++].piece = Q_WCASTL;
12229 quickBoard[sq] = piece;
12230 piece = quickBoard[from]; quickBoard[from] = 0;
12231 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12232 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12233 quickBoard[sq] = 0; // remove Rook
12234 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12235 moveDatabase[movePtr++].piece = Q_WCASTL;
12236 quickBoard[sq] = pieceList[1]; // put King
12238 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12241 if(piece == pieceList[2] && fromY == toY) {
12242 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12243 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12244 moveDatabase[movePtr++].piece = Q_BCASTL;
12245 quickBoard[sq] = piece;
12246 piece = quickBoard[from]; quickBoard[from] = 0;
12247 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12248 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12249 quickBoard[sq] = 0; // remove Rook
12250 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12251 moveDatabase[movePtr++].piece = Q_BCASTL;
12252 quickBoard[sq] = pieceList[2]; // put King
12254 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12257 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12258 quickBoard[(fromY<<4)+toX] = 0;
12259 moveDatabase[movePtr].piece = Q_EP;
12260 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12261 moveDatabase[movePtr].to = sq;
12263 if(promoPiece != pieceType[piece]) {
12264 moveDatabase[movePtr++].piece = Q_PROMO;
12265 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12267 moveDatabase[movePtr].piece = piece;
12268 quickBoard[sq] = piece;
12273 PackGame (Board board)
12275 Move *newSpace = NULL;
12276 moveDatabase[movePtr].piece = 0; // terminate previous game
12277 if(movePtr > dataSize) {
12278 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12279 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12280 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12283 Move *p = moveDatabase, *q = newSpace;
12284 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12285 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12286 moveDatabase = newSpace;
12287 } else { // calloc failed, we must be out of memory. Too bad...
12288 dataSize = 0; // prevent calloc events for all subsequent games
12289 return 0; // and signal this one isn't cached
12293 MakePieceList(board, counts);
12298 QuickCompare (Board board, int *minCounts, int *maxCounts)
12299 { // compare according to search mode
12301 switch(appData.searchMode)
12303 case 1: // exact position match
12304 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12305 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12306 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12309 case 2: // can have extra material on empty squares
12310 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12311 if(board[r][f] == EmptySquare) continue;
12312 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12315 case 3: // material with exact Pawn structure
12316 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12317 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12318 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12319 } // fall through to material comparison
12320 case 4: // exact material
12321 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12323 case 6: // material range with given imbalance
12324 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12325 // fall through to range comparison
12326 case 5: // material range
12327 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12333 QuickScan (Board board, Move *move)
12334 { // reconstruct game,and compare all positions in it
12335 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12337 int piece = move->piece;
12338 int to = move->to, from = pieceList[piece];
12339 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12340 if(!piece) return -1;
12341 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12342 piece = (++move)->piece;
12343 from = pieceList[piece];
12344 counts[pieceType[piece]]--;
12345 pieceType[piece] = (ChessSquare) move->to;
12346 counts[move->to]++;
12347 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12348 counts[pieceType[quickBoard[to]]]--;
12349 quickBoard[to] = 0; total--;
12352 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12353 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12354 from = pieceList[piece]; // so this must be King
12355 quickBoard[from] = 0;
12356 pieceList[piece] = to;
12357 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12358 quickBoard[from] = 0; // rook
12359 quickBoard[to] = piece;
12360 to = move->to; piece = move->piece;
12364 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12365 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12366 quickBoard[from] = 0;
12368 quickBoard[to] = piece;
12369 pieceList[piece] = to;
12371 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12372 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12373 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12374 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12376 static int lastCounts[EmptySquare+1];
12378 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12379 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12380 } else stretch = 0;
12381 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12390 flipSearch = FALSE;
12391 CopyBoard(soughtBoard, boards[currentMove]);
12392 soughtTotal = MakePieceList(soughtBoard, maxSought);
12393 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12394 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12395 CopyBoard(reverseBoard, boards[currentMove]);
12396 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12397 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12398 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12399 reverseBoard[r][f] = piece;
12401 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12402 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12403 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12404 || (boards[currentMove][CASTLING][2] == NoRights ||
12405 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12406 && (boards[currentMove][CASTLING][5] == NoRights ||
12407 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12410 CopyBoard(flipBoard, soughtBoard);
12411 CopyBoard(rotateBoard, reverseBoard);
12412 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12413 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12414 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12417 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12418 if(appData.searchMode >= 5) {
12419 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12420 MakePieceList(soughtBoard, minSought);
12421 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12423 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12424 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12427 GameInfo dummyInfo;
12428 static int creatingBook;
12431 GameContainsPosition (FILE *f, ListGame *lg)
12433 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12434 int fromX, fromY, toX, toY;
12436 static int initDone=FALSE;
12438 // weed out games based on numerical tag comparison
12439 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12440 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12441 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12442 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12444 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12447 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12448 else CopyBoard(boards[scratch], initialPosition); // default start position
12451 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12452 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12455 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12456 fseek(f, lg->offset, 0);
12459 yyboardindex = scratch;
12460 quickFlag = plyNr+1;
12465 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12471 if(plyNr) return -1; // after we have seen moves, this is for new game
12474 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12475 case ImpossibleMove:
12476 case WhiteWins: // game ends here with these four
12479 case GameUnfinished:
12483 if(appData.testLegality) return -1;
12484 case WhiteCapturesEnPassant:
12485 case BlackCapturesEnPassant:
12486 case WhitePromotion:
12487 case BlackPromotion:
12488 case WhiteNonPromotion:
12489 case BlackNonPromotion:
12492 case WhiteKingSideCastle:
12493 case WhiteQueenSideCastle:
12494 case BlackKingSideCastle:
12495 case BlackQueenSideCastle:
12496 case WhiteKingSideCastleWild:
12497 case WhiteQueenSideCastleWild:
12498 case BlackKingSideCastleWild:
12499 case BlackQueenSideCastleWild:
12500 case WhiteHSideCastleFR:
12501 case WhiteASideCastleFR:
12502 case BlackHSideCastleFR:
12503 case BlackASideCastleFR:
12504 fromX = currentMoveString[0] - AAA;
12505 fromY = currentMoveString[1] - ONE;
12506 toX = currentMoveString[2] - AAA;
12507 toY = currentMoveString[3] - ONE;
12508 promoChar = currentMoveString[4];
12512 fromX = next == WhiteDrop ?
12513 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12514 (int) CharToPiece(ToLower(currentMoveString[0]));
12516 toX = currentMoveString[2] - AAA;
12517 toY = currentMoveString[3] - ONE;
12521 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12523 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12524 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12525 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12526 if(appData.findMirror) {
12527 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12528 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12533 /* Load the nth game from open file f */
12535 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12539 int gn = gameNumber;
12540 ListGame *lg = NULL;
12541 int numPGNTags = 0;
12543 GameMode oldGameMode;
12544 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12546 if (appData.debugMode)
12547 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12549 if (gameMode == Training )
12550 SetTrainingModeOff();
12552 oldGameMode = gameMode;
12553 if (gameMode != BeginningOfGame) {
12554 Reset(FALSE, TRUE);
12556 killX = killY = -1; // [HGM] lion: in case we did not Reset
12559 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12560 fclose(lastLoadGameFP);
12564 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12567 fseek(f, lg->offset, 0);
12568 GameListHighlight(gameNumber);
12569 pos = lg->position;
12573 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12574 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12576 DisplayError(_("Game number out of range"), 0);
12581 if (fseek(f, 0, 0) == -1) {
12582 if (f == lastLoadGameFP ?
12583 gameNumber == lastLoadGameNumber + 1 :
12587 DisplayError(_("Can't seek on game file"), 0);
12592 lastLoadGameFP = f;
12593 lastLoadGameNumber = gameNumber;
12594 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12595 lastLoadGameUseList = useList;
12599 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12600 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12601 lg->gameInfo.black);
12603 } else if (*title != NULLCHAR) {
12604 if (gameNumber > 1) {
12605 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12608 DisplayTitle(title);
12612 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12613 gameMode = PlayFromGameFile;
12617 currentMove = forwardMostMove = backwardMostMove = 0;
12618 CopyBoard(boards[0], initialPosition);
12622 * Skip the first gn-1 games in the file.
12623 * Also skip over anything that precedes an identifiable
12624 * start of game marker, to avoid being confused by
12625 * garbage at the start of the file. Currently
12626 * recognized start of game markers are the move number "1",
12627 * the pattern "gnuchess .* game", the pattern
12628 * "^[#;%] [^ ]* game file", and a PGN tag block.
12629 * A game that starts with one of the latter two patterns
12630 * will also have a move number 1, possibly
12631 * following a position diagram.
12632 * 5-4-02: Let's try being more lenient and allowing a game to
12633 * start with an unnumbered move. Does that break anything?
12635 cm = lastLoadGameStart = EndOfFile;
12637 yyboardindex = forwardMostMove;
12638 cm = (ChessMove) Myylex();
12641 if (cmailMsgLoaded) {
12642 nCmailGames = CMAIL_MAX_GAMES - gn;
12645 DisplayError(_("Game not found in file"), 0);
12652 lastLoadGameStart = cm;
12655 case MoveNumberOne:
12656 switch (lastLoadGameStart) {
12661 case MoveNumberOne:
12663 gn--; /* count this game */
12664 lastLoadGameStart = cm;
12673 switch (lastLoadGameStart) {
12676 case MoveNumberOne:
12678 gn--; /* count this game */
12679 lastLoadGameStart = cm;
12682 lastLoadGameStart = cm; /* game counted already */
12690 yyboardindex = forwardMostMove;
12691 cm = (ChessMove) Myylex();
12692 } while (cm == PGNTag || cm == Comment);
12699 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12700 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12701 != CMAIL_OLD_RESULT) {
12703 cmailResult[ CMAIL_MAX_GAMES
12704 - gn - 1] = CMAIL_OLD_RESULT;
12711 /* Only a NormalMove can be at the start of a game
12712 * without a position diagram. */
12713 if (lastLoadGameStart == EndOfFile ) {
12715 lastLoadGameStart = MoveNumberOne;
12724 if (appData.debugMode)
12725 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12727 if (cm == XBoardGame) {
12728 /* Skip any header junk before position diagram and/or move 1 */
12730 yyboardindex = forwardMostMove;
12731 cm = (ChessMove) Myylex();
12733 if (cm == EndOfFile ||
12734 cm == GNUChessGame || cm == XBoardGame) {
12735 /* Empty game; pretend end-of-file and handle later */
12740 if (cm == MoveNumberOne || cm == PositionDiagram ||
12741 cm == PGNTag || cm == Comment)
12744 } else if (cm == GNUChessGame) {
12745 if (gameInfo.event != NULL) {
12746 free(gameInfo.event);
12748 gameInfo.event = StrSave(yy_text);
12751 startedFromSetupPosition = FALSE;
12752 while (cm == PGNTag) {
12753 if (appData.debugMode)
12754 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12755 err = ParsePGNTag(yy_text, &gameInfo);
12756 if (!err) numPGNTags++;
12758 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12759 if(gameInfo.variant != oldVariant) {
12760 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12761 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12762 InitPosition(TRUE);
12763 oldVariant = gameInfo.variant;
12764 if (appData.debugMode)
12765 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12769 if (gameInfo.fen != NULL) {
12770 Board initial_position;
12771 startedFromSetupPosition = TRUE;
12772 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12774 DisplayError(_("Bad FEN position in file"), 0);
12777 CopyBoard(boards[0], initial_position);
12778 if (blackPlaysFirst) {
12779 currentMove = forwardMostMove = backwardMostMove = 1;
12780 CopyBoard(boards[1], initial_position);
12781 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12782 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12783 timeRemaining[0][1] = whiteTimeRemaining;
12784 timeRemaining[1][1] = blackTimeRemaining;
12785 if (commentList[0] != NULL) {
12786 commentList[1] = commentList[0];
12787 commentList[0] = NULL;
12790 currentMove = forwardMostMove = backwardMostMove = 0;
12792 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12794 initialRulePlies = FENrulePlies;
12795 for( i=0; i< nrCastlingRights; i++ )
12796 initialRights[i] = initial_position[CASTLING][i];
12798 yyboardindex = forwardMostMove;
12799 free(gameInfo.fen);
12800 gameInfo.fen = NULL;
12803 yyboardindex = forwardMostMove;
12804 cm = (ChessMove) Myylex();
12806 /* Handle comments interspersed among the tags */
12807 while (cm == Comment) {
12809 if (appData.debugMode)
12810 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12812 AppendComment(currentMove, p, FALSE);
12813 yyboardindex = forwardMostMove;
12814 cm = (ChessMove) Myylex();
12818 /* don't rely on existence of Event tag since if game was
12819 * pasted from clipboard the Event tag may not exist
12821 if (numPGNTags > 0){
12823 if (gameInfo.variant == VariantNormal) {
12824 VariantClass v = StringToVariant(gameInfo.event);
12825 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12826 if(v < VariantShogi) gameInfo.variant = v;
12829 if( appData.autoDisplayTags ) {
12830 tags = PGNTags(&gameInfo);
12831 TagsPopUp(tags, CmailMsg());
12836 /* Make something up, but don't display it now */
12841 if (cm == PositionDiagram) {
12844 Board initial_position;
12846 if (appData.debugMode)
12847 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12849 if (!startedFromSetupPosition) {
12851 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12852 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12863 initial_position[i][j++] = CharToPiece(*p);
12866 while (*p == ' ' || *p == '\t' ||
12867 *p == '\n' || *p == '\r') p++;
12869 if (strncmp(p, "black", strlen("black"))==0)
12870 blackPlaysFirst = TRUE;
12872 blackPlaysFirst = FALSE;
12873 startedFromSetupPosition = TRUE;
12875 CopyBoard(boards[0], initial_position);
12876 if (blackPlaysFirst) {
12877 currentMove = forwardMostMove = backwardMostMove = 1;
12878 CopyBoard(boards[1], initial_position);
12879 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12880 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12881 timeRemaining[0][1] = whiteTimeRemaining;
12882 timeRemaining[1][1] = blackTimeRemaining;
12883 if (commentList[0] != NULL) {
12884 commentList[1] = commentList[0];
12885 commentList[0] = NULL;
12888 currentMove = forwardMostMove = backwardMostMove = 0;
12891 yyboardindex = forwardMostMove;
12892 cm = (ChessMove) Myylex();
12895 if(!creatingBook) {
12896 if (first.pr == NoProc) {
12897 StartChessProgram(&first);
12899 InitChessProgram(&first, FALSE);
12900 SendToProgram("force\n", &first);
12901 if (startedFromSetupPosition) {
12902 SendBoard(&first, forwardMostMove);
12903 if (appData.debugMode) {
12904 fprintf(debugFP, "Load Game\n");
12906 DisplayBothClocks();
12910 /* [HGM] server: flag to write setup moves in broadcast file as one */
12911 loadFlag = appData.suppressLoadMoves;
12913 while (cm == Comment) {
12915 if (appData.debugMode)
12916 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12918 AppendComment(currentMove, p, FALSE);
12919 yyboardindex = forwardMostMove;
12920 cm = (ChessMove) Myylex();
12923 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12924 cm == WhiteWins || cm == BlackWins ||
12925 cm == GameIsDrawn || cm == GameUnfinished) {
12926 DisplayMessage("", _("No moves in game"));
12927 if (cmailMsgLoaded) {
12928 if (appData.debugMode)
12929 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12933 DrawPosition(FALSE, boards[currentMove]);
12934 DisplayBothClocks();
12935 gameMode = EditGame;
12942 // [HGM] PV info: routine tests if comment empty
12943 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12944 DisplayComment(currentMove - 1, commentList[currentMove]);
12946 if (!matchMode && appData.timeDelay != 0)
12947 DrawPosition(FALSE, boards[currentMove]);
12949 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12950 programStats.ok_to_send = 1;
12953 /* if the first token after the PGN tags is a move
12954 * and not move number 1, retrieve it from the parser
12956 if (cm != MoveNumberOne)
12957 LoadGameOneMove(cm);
12959 /* load the remaining moves from the file */
12960 while (LoadGameOneMove(EndOfFile)) {
12961 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12962 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12965 /* rewind to the start of the game */
12966 currentMove = backwardMostMove;
12968 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12970 if (oldGameMode == AnalyzeFile) {
12971 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12972 AnalyzeFileEvent();
12974 if (oldGameMode == AnalyzeMode) {
12975 AnalyzeFileEvent();
12978 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12979 long int w, b; // [HGM] adjourn: restore saved clock times
12980 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12981 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12982 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12983 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12987 if(creatingBook) return TRUE;
12988 if (!matchMode && pos > 0) {
12989 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12991 if (matchMode || appData.timeDelay == 0) {
12993 } else if (appData.timeDelay > 0) {
12994 AutoPlayGameLoop();
12997 if (appData.debugMode)
12998 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13000 loadFlag = 0; /* [HGM] true game starts */
13004 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13006 ReloadPosition (int offset)
13008 int positionNumber = lastLoadPositionNumber + offset;
13009 if (lastLoadPositionFP == NULL) {
13010 DisplayError(_("No position has been loaded yet"), 0);
13013 if (positionNumber <= 0) {
13014 DisplayError(_("Can't back up any further"), 0);
13017 return LoadPosition(lastLoadPositionFP, positionNumber,
13018 lastLoadPositionTitle);
13021 /* Load the nth position from the given file */
13023 LoadPositionFromFile (char *filename, int n, char *title)
13028 if (strcmp(filename, "-") == 0) {
13029 return LoadPosition(stdin, n, "stdin");
13031 f = fopen(filename, "rb");
13033 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13034 DisplayError(buf, errno);
13037 return LoadPosition(f, n, title);
13042 /* Load the nth position from the given open file, and close it */
13044 LoadPosition (FILE *f, int positionNumber, char *title)
13046 char *p, line[MSG_SIZ];
13047 Board initial_position;
13048 int i, j, fenMode, pn;
13050 if (gameMode == Training )
13051 SetTrainingModeOff();
13053 if (gameMode != BeginningOfGame) {
13054 Reset(FALSE, TRUE);
13056 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13057 fclose(lastLoadPositionFP);
13059 if (positionNumber == 0) positionNumber = 1;
13060 lastLoadPositionFP = f;
13061 lastLoadPositionNumber = positionNumber;
13062 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13063 if (first.pr == NoProc && !appData.noChessProgram) {
13064 StartChessProgram(&first);
13065 InitChessProgram(&first, FALSE);
13067 pn = positionNumber;
13068 if (positionNumber < 0) {
13069 /* Negative position number means to seek to that byte offset */
13070 if (fseek(f, -positionNumber, 0) == -1) {
13071 DisplayError(_("Can't seek on position file"), 0);
13076 if (fseek(f, 0, 0) == -1) {
13077 if (f == lastLoadPositionFP ?
13078 positionNumber == lastLoadPositionNumber + 1 :
13079 positionNumber == 1) {
13082 DisplayError(_("Can't seek on position file"), 0);
13087 /* See if this file is FEN or old-style xboard */
13088 if (fgets(line, MSG_SIZ, f) == NULL) {
13089 DisplayError(_("Position not found in file"), 0);
13092 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13093 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13096 if (fenMode || line[0] == '#') pn--;
13098 /* skip positions before number pn */
13099 if (fgets(line, MSG_SIZ, f) == NULL) {
13101 DisplayError(_("Position not found in file"), 0);
13104 if (fenMode || line[0] == '#') pn--;
13109 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13110 DisplayError(_("Bad FEN position in file"), 0);
13114 (void) fgets(line, MSG_SIZ, f);
13115 (void) fgets(line, MSG_SIZ, f);
13117 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13118 (void) fgets(line, MSG_SIZ, f);
13119 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13122 initial_position[i][j++] = CharToPiece(*p);
13126 blackPlaysFirst = FALSE;
13128 (void) fgets(line, MSG_SIZ, f);
13129 if (strncmp(line, "black", strlen("black"))==0)
13130 blackPlaysFirst = TRUE;
13133 startedFromSetupPosition = TRUE;
13135 CopyBoard(boards[0], initial_position);
13136 if (blackPlaysFirst) {
13137 currentMove = forwardMostMove = backwardMostMove = 1;
13138 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13139 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13140 CopyBoard(boards[1], initial_position);
13141 DisplayMessage("", _("Black to play"));
13143 currentMove = forwardMostMove = backwardMostMove = 0;
13144 DisplayMessage("", _("White to play"));
13146 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13147 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13148 SendToProgram("force\n", &first);
13149 SendBoard(&first, forwardMostMove);
13151 if (appData.debugMode) {
13153 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13154 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13155 fprintf(debugFP, "Load Position\n");
13158 if (positionNumber > 1) {
13159 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13160 DisplayTitle(line);
13162 DisplayTitle(title);
13164 gameMode = EditGame;
13167 timeRemaining[0][1] = whiteTimeRemaining;
13168 timeRemaining[1][1] = blackTimeRemaining;
13169 DrawPosition(FALSE, boards[currentMove]);
13176 CopyPlayerNameIntoFileName (char **dest, char *src)
13178 while (*src != NULLCHAR && *src != ',') {
13183 *(*dest)++ = *src++;
13189 DefaultFileName (char *ext)
13191 static char def[MSG_SIZ];
13194 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13196 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13198 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13200 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13207 /* Save the current game to the given file */
13209 SaveGameToFile (char *filename, int append)
13213 int result, i, t,tot=0;
13215 if (strcmp(filename, "-") == 0) {
13216 return SaveGame(stdout, 0, NULL);
13218 for(i=0; i<10; i++) { // upto 10 tries
13219 f = fopen(filename, append ? "a" : "w");
13220 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13221 if(f || errno != 13) break;
13222 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13226 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13227 DisplayError(buf, errno);
13230 safeStrCpy(buf, lastMsg, MSG_SIZ);
13231 DisplayMessage(_("Waiting for access to save file"), "");
13232 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13233 DisplayMessage(_("Saving game"), "");
13234 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13235 result = SaveGame(f, 0, NULL);
13236 DisplayMessage(buf, "");
13243 SavePart (char *str)
13245 static char buf[MSG_SIZ];
13248 p = strchr(str, ' ');
13249 if (p == NULL) return str;
13250 strncpy(buf, str, p - str);
13251 buf[p - str] = NULLCHAR;
13255 #define PGN_MAX_LINE 75
13257 #define PGN_SIDE_WHITE 0
13258 #define PGN_SIDE_BLACK 1
13261 FindFirstMoveOutOfBook (int side)
13265 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13266 int index = backwardMostMove;
13267 int has_book_hit = 0;
13269 if( (index % 2) != side ) {
13273 while( index < forwardMostMove ) {
13274 /* Check to see if engine is in book */
13275 int depth = pvInfoList[index].depth;
13276 int score = pvInfoList[index].score;
13282 else if( score == 0 && depth == 63 ) {
13283 in_book = 1; /* Zappa */
13285 else if( score == 2 && depth == 99 ) {
13286 in_book = 1; /* Abrok */
13289 has_book_hit += in_book;
13305 GetOutOfBookInfo (char * buf)
13309 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13311 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13312 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13316 if( oob[0] >= 0 || oob[1] >= 0 ) {
13317 for( i=0; i<2; i++ ) {
13321 if( i > 0 && oob[0] >= 0 ) {
13322 strcat( buf, " " );
13325 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13326 sprintf( buf+strlen(buf), "%s%.2f",
13327 pvInfoList[idx].score >= 0 ? "+" : "",
13328 pvInfoList[idx].score / 100.0 );
13334 /* Save game in PGN style and close the file */
13336 SaveGamePGN (FILE *f)
13338 int i, offset, linelen, newblock;
13341 int movelen, numlen, blank;
13342 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13344 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13346 PrintPGNTags(f, &gameInfo);
13348 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13350 if (backwardMostMove > 0 || startedFromSetupPosition) {
13351 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13352 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13353 fprintf(f, "\n{--------------\n");
13354 PrintPosition(f, backwardMostMove);
13355 fprintf(f, "--------------}\n");
13359 /* [AS] Out of book annotation */
13360 if( appData.saveOutOfBookInfo ) {
13363 GetOutOfBookInfo( buf );
13365 if( buf[0] != '\0' ) {
13366 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13373 i = backwardMostMove;
13377 while (i < forwardMostMove) {
13378 /* Print comments preceding this move */
13379 if (commentList[i] != NULL) {
13380 if (linelen > 0) fprintf(f, "\n");
13381 fprintf(f, "%s", commentList[i]);
13386 /* Format move number */
13388 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13391 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13393 numtext[0] = NULLCHAR;
13395 numlen = strlen(numtext);
13398 /* Print move number */
13399 blank = linelen > 0 && numlen > 0;
13400 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13409 fprintf(f, "%s", numtext);
13413 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13414 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13417 blank = linelen > 0 && movelen > 0;
13418 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13427 fprintf(f, "%s", move_buffer);
13428 linelen += movelen;
13430 /* [AS] Add PV info if present */
13431 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13432 /* [HGM] add time */
13433 char buf[MSG_SIZ]; int seconds;
13435 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13441 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13444 seconds = (seconds + 4)/10; // round to full seconds
13446 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13448 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13451 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13452 pvInfoList[i].score >= 0 ? "+" : "",
13453 pvInfoList[i].score / 100.0,
13454 pvInfoList[i].depth,
13457 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13459 /* Print score/depth */
13460 blank = linelen > 0 && movelen > 0;
13461 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13470 fprintf(f, "%s", move_buffer);
13471 linelen += movelen;
13477 /* Start a new line */
13478 if (linelen > 0) fprintf(f, "\n");
13480 /* Print comments after last move */
13481 if (commentList[i] != NULL) {
13482 fprintf(f, "%s\n", commentList[i]);
13486 if (gameInfo.resultDetails != NULL &&
13487 gameInfo.resultDetails[0] != NULLCHAR) {
13488 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13489 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13490 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13491 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13492 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13494 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13498 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13502 /* Save game in old style and close the file */
13504 SaveGameOldStyle (FILE *f)
13509 tm = time((time_t *) NULL);
13511 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13514 if (backwardMostMove > 0 || startedFromSetupPosition) {
13515 fprintf(f, "\n[--------------\n");
13516 PrintPosition(f, backwardMostMove);
13517 fprintf(f, "--------------]\n");
13522 i = backwardMostMove;
13523 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13525 while (i < forwardMostMove) {
13526 if (commentList[i] != NULL) {
13527 fprintf(f, "[%s]\n", commentList[i]);
13530 if ((i % 2) == 1) {
13531 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13534 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13536 if (commentList[i] != NULL) {
13540 if (i >= forwardMostMove) {
13544 fprintf(f, "%s\n", parseList[i]);
13549 if (commentList[i] != NULL) {
13550 fprintf(f, "[%s]\n", commentList[i]);
13553 /* This isn't really the old style, but it's close enough */
13554 if (gameInfo.resultDetails != NULL &&
13555 gameInfo.resultDetails[0] != NULLCHAR) {
13556 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13557 gameInfo.resultDetails);
13559 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13566 /* Save the current game to open file f and close the file */
13568 SaveGame (FILE *f, int dummy, char *dummy2)
13570 if (gameMode == EditPosition) EditPositionDone(TRUE);
13571 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13572 if (appData.oldSaveStyle)
13573 return SaveGameOldStyle(f);
13575 return SaveGamePGN(f);
13578 /* Save the current position to the given file */
13580 SavePositionToFile (char *filename)
13585 if (strcmp(filename, "-") == 0) {
13586 return SavePosition(stdout, 0, NULL);
13588 f = fopen(filename, "a");
13590 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13591 DisplayError(buf, errno);
13594 safeStrCpy(buf, lastMsg, MSG_SIZ);
13595 DisplayMessage(_("Waiting for access to save file"), "");
13596 flock(fileno(f), LOCK_EX); // [HGM] lock
13597 DisplayMessage(_("Saving position"), "");
13598 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13599 SavePosition(f, 0, NULL);
13600 DisplayMessage(buf, "");
13606 /* Save the current position to the given open file and close the file */
13608 SavePosition (FILE *f, int dummy, char *dummy2)
13613 if (gameMode == EditPosition) EditPositionDone(TRUE);
13614 if (appData.oldSaveStyle) {
13615 tm = time((time_t *) NULL);
13617 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13619 fprintf(f, "[--------------\n");
13620 PrintPosition(f, currentMove);
13621 fprintf(f, "--------------]\n");
13623 fen = PositionToFEN(currentMove, NULL, 1);
13624 fprintf(f, "%s\n", fen);
13632 ReloadCmailMsgEvent (int unregister)
13635 static char *inFilename = NULL;
13636 static char *outFilename;
13638 struct stat inbuf, outbuf;
13641 /* Any registered moves are unregistered if unregister is set, */
13642 /* i.e. invoked by the signal handler */
13644 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13645 cmailMoveRegistered[i] = FALSE;
13646 if (cmailCommentList[i] != NULL) {
13647 free(cmailCommentList[i]);
13648 cmailCommentList[i] = NULL;
13651 nCmailMovesRegistered = 0;
13654 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13655 cmailResult[i] = CMAIL_NOT_RESULT;
13659 if (inFilename == NULL) {
13660 /* Because the filenames are static they only get malloced once */
13661 /* and they never get freed */
13662 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13663 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13665 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13666 sprintf(outFilename, "%s.out", appData.cmailGameName);
13669 status = stat(outFilename, &outbuf);
13671 cmailMailedMove = FALSE;
13673 status = stat(inFilename, &inbuf);
13674 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13677 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13678 counts the games, notes how each one terminated, etc.
13680 It would be nice to remove this kludge and instead gather all
13681 the information while building the game list. (And to keep it
13682 in the game list nodes instead of having a bunch of fixed-size
13683 parallel arrays.) Note this will require getting each game's
13684 termination from the PGN tags, as the game list builder does
13685 not process the game moves. --mann
13687 cmailMsgLoaded = TRUE;
13688 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13690 /* Load first game in the file or popup game menu */
13691 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13693 #endif /* !WIN32 */
13701 char string[MSG_SIZ];
13703 if ( cmailMailedMove
13704 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13705 return TRUE; /* Allow free viewing */
13708 /* Unregister move to ensure that we don't leave RegisterMove */
13709 /* with the move registered when the conditions for registering no */
13711 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13712 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13713 nCmailMovesRegistered --;
13715 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13717 free(cmailCommentList[lastLoadGameNumber - 1]);
13718 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13722 if (cmailOldMove == -1) {
13723 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13727 if (currentMove > cmailOldMove + 1) {
13728 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13732 if (currentMove < cmailOldMove) {
13733 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13737 if (forwardMostMove > currentMove) {
13738 /* Silently truncate extra moves */
13742 if ( (currentMove == cmailOldMove + 1)
13743 || ( (currentMove == cmailOldMove)
13744 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13745 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13746 if (gameInfo.result != GameUnfinished) {
13747 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13750 if (commentList[currentMove] != NULL) {
13751 cmailCommentList[lastLoadGameNumber - 1]
13752 = StrSave(commentList[currentMove]);
13754 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13756 if (appData.debugMode)
13757 fprintf(debugFP, "Saving %s for game %d\n",
13758 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13760 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13762 f = fopen(string, "w");
13763 if (appData.oldSaveStyle) {
13764 SaveGameOldStyle(f); /* also closes the file */
13766 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13767 f = fopen(string, "w");
13768 SavePosition(f, 0, NULL); /* also closes the file */
13770 fprintf(f, "{--------------\n");
13771 PrintPosition(f, currentMove);
13772 fprintf(f, "--------------}\n\n");
13774 SaveGame(f, 0, NULL); /* also closes the file*/
13777 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13778 nCmailMovesRegistered ++;
13779 } else if (nCmailGames == 1) {
13780 DisplayError(_("You have not made a move yet"), 0);
13791 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13792 FILE *commandOutput;
13793 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13794 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13800 if (! cmailMsgLoaded) {
13801 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13805 if (nCmailGames == nCmailResults) {
13806 DisplayError(_("No unfinished games"), 0);
13810 #if CMAIL_PROHIBIT_REMAIL
13811 if (cmailMailedMove) {
13812 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);
13813 DisplayError(msg, 0);
13818 if (! (cmailMailedMove || RegisterMove())) return;
13820 if ( cmailMailedMove
13821 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13822 snprintf(string, MSG_SIZ, partCommandString,
13823 appData.debugMode ? " -v" : "", appData.cmailGameName);
13824 commandOutput = popen(string, "r");
13826 if (commandOutput == NULL) {
13827 DisplayError(_("Failed to invoke cmail"), 0);
13829 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13830 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13832 if (nBuffers > 1) {
13833 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13834 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13835 nBytes = MSG_SIZ - 1;
13837 (void) memcpy(msg, buffer, nBytes);
13839 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13841 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13842 cmailMailedMove = TRUE; /* Prevent >1 moves */
13845 for (i = 0; i < nCmailGames; i ++) {
13846 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13851 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13853 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13855 appData.cmailGameName,
13857 LoadGameFromFile(buffer, 1, buffer, FALSE);
13858 cmailMsgLoaded = FALSE;
13862 DisplayInformation(msg);
13863 pclose(commandOutput);
13866 if ((*cmailMsg) != '\0') {
13867 DisplayInformation(cmailMsg);
13872 #endif /* !WIN32 */
13881 int prependComma = 0;
13883 char string[MSG_SIZ]; /* Space for game-list */
13886 if (!cmailMsgLoaded) return "";
13888 if (cmailMailedMove) {
13889 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13891 /* Create a list of games left */
13892 snprintf(string, MSG_SIZ, "[");
13893 for (i = 0; i < nCmailGames; i ++) {
13894 if (! ( cmailMoveRegistered[i]
13895 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13896 if (prependComma) {
13897 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13899 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13903 strcat(string, number);
13906 strcat(string, "]");
13908 if (nCmailMovesRegistered + nCmailResults == 0) {
13909 switch (nCmailGames) {
13911 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13915 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13919 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13924 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13926 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13931 if (nCmailResults == nCmailGames) {
13932 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13934 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13939 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13951 if (gameMode == Training)
13952 SetTrainingModeOff();
13955 cmailMsgLoaded = FALSE;
13956 if (appData.icsActive) {
13957 SendToICS(ics_prefix);
13958 SendToICS("refresh\n");
13963 ExitEvent (int status)
13967 /* Give up on clean exit */
13971 /* Keep trying for clean exit */
13975 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13977 if (telnetISR != NULL) {
13978 RemoveInputSource(telnetISR);
13980 if (icsPR != NoProc) {
13981 DestroyChildProcess(icsPR, TRUE);
13984 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13985 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13987 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13988 /* make sure this other one finishes before killing it! */
13989 if(endingGame) { int count = 0;
13990 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13991 while(endingGame && count++ < 10) DoSleep(1);
13992 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13995 /* Kill off chess programs */
13996 if (first.pr != NoProc) {
13999 DoSleep( appData.delayBeforeQuit );
14000 SendToProgram("quit\n", &first);
14001 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14003 if (second.pr != NoProc) {
14004 DoSleep( appData.delayBeforeQuit );
14005 SendToProgram("quit\n", &second);
14006 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14008 if (first.isr != NULL) {
14009 RemoveInputSource(first.isr);
14011 if (second.isr != NULL) {
14012 RemoveInputSource(second.isr);
14015 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14016 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14018 ShutDownFrontEnd();
14023 PauseEngine (ChessProgramState *cps)
14025 SendToProgram("pause\n", cps);
14030 UnPauseEngine (ChessProgramState *cps)
14032 SendToProgram("resume\n", cps);
14039 if (appData.debugMode)
14040 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14044 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14046 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14047 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14048 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14050 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14051 HandleMachineMove(stashedInputMove, stalledEngine);
14052 stalledEngine = NULL;
14055 if (gameMode == MachinePlaysWhite ||
14056 gameMode == TwoMachinesPlay ||
14057 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14058 if(first.pause) UnPauseEngine(&first);
14059 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14060 if(second.pause) UnPauseEngine(&second);
14061 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14064 DisplayBothClocks();
14066 if (gameMode == PlayFromGameFile) {
14067 if (appData.timeDelay >= 0)
14068 AutoPlayGameLoop();
14069 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14070 Reset(FALSE, TRUE);
14071 SendToICS(ics_prefix);
14072 SendToICS("refresh\n");
14073 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14074 ForwardInner(forwardMostMove);
14076 pauseExamInvalid = FALSE;
14078 switch (gameMode) {
14082 pauseExamForwardMostMove = forwardMostMove;
14083 pauseExamInvalid = FALSE;
14086 case IcsPlayingWhite:
14087 case IcsPlayingBlack:
14091 case PlayFromGameFile:
14092 (void) StopLoadGameTimer();
14096 case BeginningOfGame:
14097 if (appData.icsActive) return;
14098 /* else fall through */
14099 case MachinePlaysWhite:
14100 case MachinePlaysBlack:
14101 case TwoMachinesPlay:
14102 if (forwardMostMove == 0)
14103 return; /* don't pause if no one has moved */
14104 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14105 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14106 if(onMove->pause) { // thinking engine can be paused
14107 PauseEngine(onMove); // do it
14108 if(onMove->other->pause) // pondering opponent can always be paused immediately
14109 PauseEngine(onMove->other);
14111 SendToProgram("easy\n", onMove->other);
14113 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14114 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14116 PauseEngine(&first);
14118 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14119 } else { // human on move, pause pondering by either method
14121 PauseEngine(&first);
14122 else if(appData.ponderNextMove)
14123 SendToProgram("easy\n", &first);
14126 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14136 EditCommentEvent ()
14138 char title[MSG_SIZ];
14140 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14141 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14143 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14144 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14145 parseList[currentMove - 1]);
14148 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14155 char *tags = PGNTags(&gameInfo);
14157 EditTagsPopUp(tags, NULL);
14164 if(second.analyzing) {
14165 SendToProgram("exit\n", &second);
14166 second.analyzing = FALSE;
14168 if (second.pr == NoProc) StartChessProgram(&second);
14169 InitChessProgram(&second, FALSE);
14170 FeedMovesToProgram(&second, currentMove);
14172 SendToProgram("analyze\n", &second);
14173 second.analyzing = TRUE;
14177 /* Toggle ShowThinking */
14179 ToggleShowThinking()
14181 appData.showThinking = !appData.showThinking;
14182 ShowThinkingEvent();
14186 AnalyzeModeEvent ()
14190 if (!first.analysisSupport) {
14191 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14192 DisplayError(buf, 0);
14195 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14196 if (appData.icsActive) {
14197 if (gameMode != IcsObserving) {
14198 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14199 DisplayError(buf, 0);
14201 if (appData.icsEngineAnalyze) {
14202 if (appData.debugMode)
14203 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14209 /* if enable, user wants to disable icsEngineAnalyze */
14210 if (appData.icsEngineAnalyze) {
14215 appData.icsEngineAnalyze = TRUE;
14216 if (appData.debugMode)
14217 fprintf(debugFP, "ICS engine analyze starting... \n");
14220 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14221 if (appData.noChessProgram || gameMode == AnalyzeMode)
14224 if (gameMode != AnalyzeFile) {
14225 if (!appData.icsEngineAnalyze) {
14227 if (gameMode != EditGame) return 0;
14229 if (!appData.showThinking) ToggleShowThinking();
14230 ResurrectChessProgram();
14231 SendToProgram("analyze\n", &first);
14232 first.analyzing = TRUE;
14233 /*first.maybeThinking = TRUE;*/
14234 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14235 EngineOutputPopUp();
14237 if (!appData.icsEngineAnalyze) {
14238 gameMode = AnalyzeMode;
14239 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14245 StartAnalysisClock();
14246 GetTimeMark(&lastNodeCountTime);
14252 AnalyzeFileEvent ()
14254 if (appData.noChessProgram || gameMode == AnalyzeFile)
14257 if (!first.analysisSupport) {
14259 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14260 DisplayError(buf, 0);
14264 if (gameMode != AnalyzeMode) {
14265 keepInfo = 1; // mere annotating should not alter PGN tags
14268 if (gameMode != EditGame) return;
14269 if (!appData.showThinking) ToggleShowThinking();
14270 ResurrectChessProgram();
14271 SendToProgram("analyze\n", &first);
14272 first.analyzing = TRUE;
14273 /*first.maybeThinking = TRUE;*/
14274 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14275 EngineOutputPopUp();
14277 gameMode = AnalyzeFile;
14281 StartAnalysisClock();
14282 GetTimeMark(&lastNodeCountTime);
14284 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14285 AnalysisPeriodicEvent(1);
14289 MachineWhiteEvent ()
14292 char *bookHit = NULL;
14294 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14298 if (gameMode == PlayFromGameFile ||
14299 gameMode == TwoMachinesPlay ||
14300 gameMode == Training ||
14301 gameMode == AnalyzeMode ||
14302 gameMode == EndOfGame)
14305 if (gameMode == EditPosition)
14306 EditPositionDone(TRUE);
14308 if (!WhiteOnMove(currentMove)) {
14309 DisplayError(_("It is not White's turn"), 0);
14313 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14316 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14317 gameMode == AnalyzeFile)
14320 ResurrectChessProgram(); /* in case it isn't running */
14321 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14322 gameMode = MachinePlaysWhite;
14325 gameMode = MachinePlaysWhite;
14329 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14331 if (first.sendName) {
14332 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14333 SendToProgram(buf, &first);
14335 if (first.sendTime) {
14336 if (first.useColors) {
14337 SendToProgram("black\n", &first); /*gnu kludge*/
14339 SendTimeRemaining(&first, TRUE);
14341 if (first.useColors) {
14342 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14344 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14345 SetMachineThinkingEnables();
14346 first.maybeThinking = TRUE;
14350 if (appData.autoFlipView && !flipView) {
14351 flipView = !flipView;
14352 DrawPosition(FALSE, NULL);
14353 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14356 if(bookHit) { // [HGM] book: simulate book reply
14357 static char bookMove[MSG_SIZ]; // a bit generous?
14359 programStats.nodes = programStats.depth = programStats.time =
14360 programStats.score = programStats.got_only_move = 0;
14361 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14363 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14364 strcat(bookMove, bookHit);
14365 HandleMachineMove(bookMove, &first);
14370 MachineBlackEvent ()
14373 char *bookHit = NULL;
14375 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14379 if (gameMode == PlayFromGameFile ||
14380 gameMode == TwoMachinesPlay ||
14381 gameMode == Training ||
14382 gameMode == AnalyzeMode ||
14383 gameMode == EndOfGame)
14386 if (gameMode == EditPosition)
14387 EditPositionDone(TRUE);
14389 if (WhiteOnMove(currentMove)) {
14390 DisplayError(_("It is not Black's turn"), 0);
14394 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14397 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14398 gameMode == AnalyzeFile)
14401 ResurrectChessProgram(); /* in case it isn't running */
14402 gameMode = MachinePlaysBlack;
14406 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14408 if (first.sendName) {
14409 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14410 SendToProgram(buf, &first);
14412 if (first.sendTime) {
14413 if (first.useColors) {
14414 SendToProgram("white\n", &first); /*gnu kludge*/
14416 SendTimeRemaining(&first, FALSE);
14418 if (first.useColors) {
14419 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14421 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14422 SetMachineThinkingEnables();
14423 first.maybeThinking = TRUE;
14426 if (appData.autoFlipView && flipView) {
14427 flipView = !flipView;
14428 DrawPosition(FALSE, NULL);
14429 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14431 if(bookHit) { // [HGM] book: simulate book reply
14432 static char bookMove[MSG_SIZ]; // a bit generous?
14434 programStats.nodes = programStats.depth = programStats.time =
14435 programStats.score = programStats.got_only_move = 0;
14436 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14438 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14439 strcat(bookMove, bookHit);
14440 HandleMachineMove(bookMove, &first);
14446 DisplayTwoMachinesTitle ()
14449 if (appData.matchGames > 0) {
14450 if(appData.tourneyFile[0]) {
14451 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14452 gameInfo.white, _("vs."), gameInfo.black,
14453 nextGame+1, appData.matchGames+1,
14454 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14456 if (first.twoMachinesColor[0] == 'w') {
14457 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14458 gameInfo.white, _("vs."), gameInfo.black,
14459 first.matchWins, second.matchWins,
14460 matchGame - 1 - (first.matchWins + second.matchWins));
14462 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14463 gameInfo.white, _("vs."), gameInfo.black,
14464 second.matchWins, first.matchWins,
14465 matchGame - 1 - (first.matchWins + second.matchWins));
14468 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14474 SettingsMenuIfReady ()
14476 if (second.lastPing != second.lastPong) {
14477 DisplayMessage("", _("Waiting for second chess program"));
14478 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14482 DisplayMessage("", "");
14483 SettingsPopUp(&second);
14487 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14490 if (cps->pr == NoProc) {
14491 StartChessProgram(cps);
14492 if (cps->protocolVersion == 1) {
14494 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14496 /* kludge: allow timeout for initial "feature" command */
14497 if(retry != TwoMachinesEventIfReady) FreezeUI();
14498 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14499 DisplayMessage("", buf);
14500 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14508 TwoMachinesEvent P((void))
14512 ChessProgramState *onmove;
14513 char *bookHit = NULL;
14514 static int stalling = 0;
14518 if (appData.noChessProgram) return;
14520 switch (gameMode) {
14521 case TwoMachinesPlay:
14523 case MachinePlaysWhite:
14524 case MachinePlaysBlack:
14525 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14526 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14530 case BeginningOfGame:
14531 case PlayFromGameFile:
14534 if (gameMode != EditGame) return;
14537 EditPositionDone(TRUE);
14548 // forwardMostMove = currentMove;
14549 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14550 startingEngine = TRUE;
14552 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14554 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14555 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14556 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14559 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14561 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14562 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14563 startingEngine = FALSE;
14564 DisplayError("second engine does not play this", 0);
14569 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14570 SendToProgram("force\n", &second);
14572 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14575 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14576 if(appData.matchPause>10000 || appData.matchPause<10)
14577 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14578 wait = SubtractTimeMarks(&now, &pauseStart);
14579 if(wait < appData.matchPause) {
14580 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14583 // we are now committed to starting the game
14585 DisplayMessage("", "");
14586 if (startedFromSetupPosition) {
14587 SendBoard(&second, backwardMostMove);
14588 if (appData.debugMode) {
14589 fprintf(debugFP, "Two Machines\n");
14592 for (i = backwardMostMove; i < forwardMostMove; i++) {
14593 SendMoveToProgram(i, &second);
14596 gameMode = TwoMachinesPlay;
14597 pausing = startingEngine = FALSE;
14598 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14600 DisplayTwoMachinesTitle();
14602 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14607 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14608 SendToProgram(first.computerString, &first);
14609 if (first.sendName) {
14610 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14611 SendToProgram(buf, &first);
14613 SendToProgram(second.computerString, &second);
14614 if (second.sendName) {
14615 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14616 SendToProgram(buf, &second);
14620 if (!first.sendTime || !second.sendTime) {
14621 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14622 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14624 if (onmove->sendTime) {
14625 if (onmove->useColors) {
14626 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14628 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14630 if (onmove->useColors) {
14631 SendToProgram(onmove->twoMachinesColor, onmove);
14633 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14634 // SendToProgram("go\n", onmove);
14635 onmove->maybeThinking = TRUE;
14636 SetMachineThinkingEnables();
14640 if(bookHit) { // [HGM] book: simulate book reply
14641 static char bookMove[MSG_SIZ]; // a bit generous?
14643 programStats.nodes = programStats.depth = programStats.time =
14644 programStats.score = programStats.got_only_move = 0;
14645 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14647 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14648 strcat(bookMove, bookHit);
14649 savedMessage = bookMove; // args for deferred call
14650 savedState = onmove;
14651 ScheduleDelayedEvent(DeferredBookMove, 1);
14658 if (gameMode == Training) {
14659 SetTrainingModeOff();
14660 gameMode = PlayFromGameFile;
14661 DisplayMessage("", _("Training mode off"));
14663 gameMode = Training;
14664 animateTraining = appData.animate;
14666 /* make sure we are not already at the end of the game */
14667 if (currentMove < forwardMostMove) {
14668 SetTrainingModeOn();
14669 DisplayMessage("", _("Training mode on"));
14671 gameMode = PlayFromGameFile;
14672 DisplayError(_("Already at end of game"), 0);
14681 if (!appData.icsActive) return;
14682 switch (gameMode) {
14683 case IcsPlayingWhite:
14684 case IcsPlayingBlack:
14687 case BeginningOfGame:
14695 EditPositionDone(TRUE);
14708 gameMode = IcsIdle;
14718 switch (gameMode) {
14720 SetTrainingModeOff();
14722 case MachinePlaysWhite:
14723 case MachinePlaysBlack:
14724 case BeginningOfGame:
14725 SendToProgram("force\n", &first);
14726 SetUserThinkingEnables();
14728 case PlayFromGameFile:
14729 (void) StopLoadGameTimer();
14730 if (gameFileFP != NULL) {
14735 EditPositionDone(TRUE);
14740 SendToProgram("force\n", &first);
14742 case TwoMachinesPlay:
14743 GameEnds(EndOfFile, NULL, GE_PLAYER);
14744 ResurrectChessProgram();
14745 SetUserThinkingEnables();
14748 ResurrectChessProgram();
14750 case IcsPlayingBlack:
14751 case IcsPlayingWhite:
14752 DisplayError(_("Warning: You are still playing a game"), 0);
14755 DisplayError(_("Warning: You are still observing a game"), 0);
14758 DisplayError(_("Warning: You are still examining a game"), 0);
14769 first.offeredDraw = second.offeredDraw = 0;
14771 if (gameMode == PlayFromGameFile) {
14772 whiteTimeRemaining = timeRemaining[0][currentMove];
14773 blackTimeRemaining = timeRemaining[1][currentMove];
14777 if (gameMode == MachinePlaysWhite ||
14778 gameMode == MachinePlaysBlack ||
14779 gameMode == TwoMachinesPlay ||
14780 gameMode == EndOfGame) {
14781 i = forwardMostMove;
14782 while (i > currentMove) {
14783 SendToProgram("undo\n", &first);
14786 if(!adjustedClock) {
14787 whiteTimeRemaining = timeRemaining[0][currentMove];
14788 blackTimeRemaining = timeRemaining[1][currentMove];
14789 DisplayBothClocks();
14791 if (whiteFlag || blackFlag) {
14792 whiteFlag = blackFlag = 0;
14797 gameMode = EditGame;
14804 EditPositionEvent ()
14806 if (gameMode == EditPosition) {
14812 if (gameMode != EditGame) return;
14814 gameMode = EditPosition;
14817 if (currentMove > 0)
14818 CopyBoard(boards[0], boards[currentMove]);
14820 blackPlaysFirst = !WhiteOnMove(currentMove);
14822 currentMove = forwardMostMove = backwardMostMove = 0;
14823 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14825 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14831 /* [DM] icsEngineAnalyze - possible call from other functions */
14832 if (appData.icsEngineAnalyze) {
14833 appData.icsEngineAnalyze = FALSE;
14835 DisplayMessage("",_("Close ICS engine analyze..."));
14837 if (first.analysisSupport && first.analyzing) {
14838 SendToBoth("exit\n");
14839 first.analyzing = second.analyzing = FALSE;
14841 thinkOutput[0] = NULLCHAR;
14845 EditPositionDone (Boolean fakeRights)
14847 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14849 startedFromSetupPosition = TRUE;
14850 InitChessProgram(&first, FALSE);
14851 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14852 boards[0][EP_STATUS] = EP_NONE;
14853 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14854 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14855 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14856 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14857 } else boards[0][CASTLING][2] = NoRights;
14858 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14859 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14860 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14861 } else boards[0][CASTLING][5] = NoRights;
14862 if(gameInfo.variant == VariantSChess) {
14864 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14865 boards[0][VIRGIN][i] = 0;
14866 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14867 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14871 SendToProgram("force\n", &first);
14872 if (blackPlaysFirst) {
14873 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14874 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14875 currentMove = forwardMostMove = backwardMostMove = 1;
14876 CopyBoard(boards[1], boards[0]);
14878 currentMove = forwardMostMove = backwardMostMove = 0;
14880 SendBoard(&first, forwardMostMove);
14881 if (appData.debugMode) {
14882 fprintf(debugFP, "EditPosDone\n");
14885 DisplayMessage("", "");
14886 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14887 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14888 gameMode = EditGame;
14890 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14891 ClearHighlights(); /* [AS] */
14894 /* Pause for `ms' milliseconds */
14895 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14897 TimeDelay (long ms)
14904 } while (SubtractTimeMarks(&m2, &m1) < ms);
14907 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14909 SendMultiLineToICS (char *buf)
14911 char temp[MSG_SIZ+1], *p;
14918 strncpy(temp, buf, len);
14923 if (*p == '\n' || *p == '\r')
14928 strcat(temp, "\n");
14930 SendToPlayer(temp, strlen(temp));
14934 SetWhiteToPlayEvent ()
14936 if (gameMode == EditPosition) {
14937 blackPlaysFirst = FALSE;
14938 DisplayBothClocks(); /* works because currentMove is 0 */
14939 } else if (gameMode == IcsExamining) {
14940 SendToICS(ics_prefix);
14941 SendToICS("tomove white\n");
14946 SetBlackToPlayEvent ()
14948 if (gameMode == EditPosition) {
14949 blackPlaysFirst = TRUE;
14950 currentMove = 1; /* kludge */
14951 DisplayBothClocks();
14953 } else if (gameMode == IcsExamining) {
14954 SendToICS(ics_prefix);
14955 SendToICS("tomove black\n");
14960 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14963 ChessSquare piece = boards[0][y][x];
14964 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14965 static int lastVariant;
14967 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14969 switch (selection) {
14971 CopyBoard(currentBoard, boards[0]);
14972 CopyBoard(menuBoard, initialPosition);
14973 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14974 SendToICS(ics_prefix);
14975 SendToICS("bsetup clear\n");
14976 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14977 SendToICS(ics_prefix);
14978 SendToICS("clearboard\n");
14981 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14982 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14983 for (y = 0; y < BOARD_HEIGHT; y++) {
14984 if (gameMode == IcsExamining) {
14985 if (boards[currentMove][y][x] != EmptySquare) {
14986 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14991 if(boards[0][y][x] != p) nonEmpty++;
14992 boards[0][y][x] = p;
14995 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
14997 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
14998 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
14999 ChessSquare p = menuBoard[0][x];
15000 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
15001 p = menuBoard[BOARD_HEIGHT-1][x];
15002 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
15004 DisplayMessage("Clicking clock again restores position", "");
15005 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15006 if(!nonEmpty) { // asked to clear an empty board
15007 CopyBoard(boards[0], menuBoard);
15009 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15010 CopyBoard(boards[0], initialPosition);
15012 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15013 && !CompareBoards(nullBoard, erasedBoard)) {
15014 CopyBoard(boards[0], erasedBoard);
15016 CopyBoard(erasedBoard, currentBoard);
15020 if (gameMode == EditPosition) {
15021 DrawPosition(FALSE, boards[0]);
15026 SetWhiteToPlayEvent();
15030 SetBlackToPlayEvent();
15034 if (gameMode == IcsExamining) {
15035 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15036 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15039 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15040 if(x == BOARD_LEFT-2) {
15041 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15042 boards[0][y][1] = 0;
15044 if(x == BOARD_RGHT+1) {
15045 if(y >= gameInfo.holdingsSize) break;
15046 boards[0][y][BOARD_WIDTH-2] = 0;
15049 boards[0][y][x] = EmptySquare;
15050 DrawPosition(FALSE, boards[0]);
15055 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15056 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15057 selection = (ChessSquare) (PROMOTED piece);
15058 } else if(piece == EmptySquare) selection = WhiteSilver;
15059 else selection = (ChessSquare)((int)piece - 1);
15063 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15064 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15065 selection = (ChessSquare) (DEMOTED piece);
15066 } else if(piece == EmptySquare) selection = BlackSilver;
15067 else selection = (ChessSquare)((int)piece + 1);
15072 if(gameInfo.variant == VariantShatranj ||
15073 gameInfo.variant == VariantXiangqi ||
15074 gameInfo.variant == VariantCourier ||
15075 gameInfo.variant == VariantASEAN ||
15076 gameInfo.variant == VariantMakruk )
15077 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15082 if(gameInfo.variant == VariantXiangqi)
15083 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15084 if(gameInfo.variant == VariantKnightmate)
15085 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15088 if (gameMode == IcsExamining) {
15089 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15090 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15091 PieceToChar(selection), AAA + x, ONE + y);
15094 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15096 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15097 n = PieceToNumber(selection - BlackPawn);
15098 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15099 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15100 boards[0][BOARD_HEIGHT-1-n][1]++;
15102 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15103 n = PieceToNumber(selection);
15104 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15105 boards[0][n][BOARD_WIDTH-1] = selection;
15106 boards[0][n][BOARD_WIDTH-2]++;
15109 boards[0][y][x] = selection;
15110 DrawPosition(TRUE, boards[0]);
15112 fromX = fromY = -1;
15120 DropMenuEvent (ChessSquare selection, int x, int y)
15122 ChessMove moveType;
15124 switch (gameMode) {
15125 case IcsPlayingWhite:
15126 case MachinePlaysBlack:
15127 if (!WhiteOnMove(currentMove)) {
15128 DisplayMoveError(_("It is Black's turn"));
15131 moveType = WhiteDrop;
15133 case IcsPlayingBlack:
15134 case MachinePlaysWhite:
15135 if (WhiteOnMove(currentMove)) {
15136 DisplayMoveError(_("It is White's turn"));
15139 moveType = BlackDrop;
15142 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15148 if (moveType == BlackDrop && selection < BlackPawn) {
15149 selection = (ChessSquare) ((int) selection
15150 + (int) BlackPawn - (int) WhitePawn);
15152 if (boards[currentMove][y][x] != EmptySquare) {
15153 DisplayMoveError(_("That square is occupied"));
15157 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15163 /* Accept a pending offer of any kind from opponent */
15165 if (appData.icsActive) {
15166 SendToICS(ics_prefix);
15167 SendToICS("accept\n");
15168 } else if (cmailMsgLoaded) {
15169 if (currentMove == cmailOldMove &&
15170 commentList[cmailOldMove] != NULL &&
15171 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15172 "Black offers a draw" : "White offers a draw")) {
15174 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15175 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15177 DisplayError(_("There is no pending offer on this move"), 0);
15178 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15181 /* Not used for offers from chess program */
15188 /* Decline a pending offer of any kind from opponent */
15190 if (appData.icsActive) {
15191 SendToICS(ics_prefix);
15192 SendToICS("decline\n");
15193 } else if (cmailMsgLoaded) {
15194 if (currentMove == cmailOldMove &&
15195 commentList[cmailOldMove] != NULL &&
15196 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15197 "Black offers a draw" : "White offers a draw")) {
15199 AppendComment(cmailOldMove, "Draw declined", TRUE);
15200 DisplayComment(cmailOldMove - 1, "Draw declined");
15203 DisplayError(_("There is no pending offer on this move"), 0);
15206 /* Not used for offers from chess program */
15213 /* Issue ICS rematch command */
15214 if (appData.icsActive) {
15215 SendToICS(ics_prefix);
15216 SendToICS("rematch\n");
15223 /* Call your opponent's flag (claim a win on time) */
15224 if (appData.icsActive) {
15225 SendToICS(ics_prefix);
15226 SendToICS("flag\n");
15228 switch (gameMode) {
15231 case MachinePlaysWhite:
15234 GameEnds(GameIsDrawn, "Both players ran out of time",
15237 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15239 DisplayError(_("Your opponent is not out of time"), 0);
15242 case MachinePlaysBlack:
15245 GameEnds(GameIsDrawn, "Both players ran out of time",
15248 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15250 DisplayError(_("Your opponent is not out of time"), 0);
15258 ClockClick (int which)
15259 { // [HGM] code moved to back-end from winboard.c
15260 if(which) { // black clock
15261 if (gameMode == EditPosition || gameMode == IcsExamining) {
15262 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15263 SetBlackToPlayEvent();
15264 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15265 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15266 } else if (shiftKey) {
15267 AdjustClock(which, -1);
15268 } else if (gameMode == IcsPlayingWhite ||
15269 gameMode == MachinePlaysBlack) {
15272 } else { // white clock
15273 if (gameMode == EditPosition || gameMode == IcsExamining) {
15274 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15275 SetWhiteToPlayEvent();
15276 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15277 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15278 } else if (shiftKey) {
15279 AdjustClock(which, -1);
15280 } else if (gameMode == IcsPlayingBlack ||
15281 gameMode == MachinePlaysWhite) {
15290 /* Offer draw or accept pending draw offer from opponent */
15292 if (appData.icsActive) {
15293 /* Note: tournament rules require draw offers to be
15294 made after you make your move but before you punch
15295 your clock. Currently ICS doesn't let you do that;
15296 instead, you immediately punch your clock after making
15297 a move, but you can offer a draw at any time. */
15299 SendToICS(ics_prefix);
15300 SendToICS("draw\n");
15301 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15302 } else if (cmailMsgLoaded) {
15303 if (currentMove == cmailOldMove &&
15304 commentList[cmailOldMove] != NULL &&
15305 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15306 "Black offers a draw" : "White offers a draw")) {
15307 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15308 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15309 } else if (currentMove == cmailOldMove + 1) {
15310 char *offer = WhiteOnMove(cmailOldMove) ?
15311 "White offers a draw" : "Black offers a draw";
15312 AppendComment(currentMove, offer, TRUE);
15313 DisplayComment(currentMove - 1, offer);
15314 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15316 DisplayError(_("You must make your move before offering a draw"), 0);
15317 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15319 } else if (first.offeredDraw) {
15320 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15322 if (first.sendDrawOffers) {
15323 SendToProgram("draw\n", &first);
15324 userOfferedDraw = TRUE;
15332 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15334 if (appData.icsActive) {
15335 SendToICS(ics_prefix);
15336 SendToICS("adjourn\n");
15338 /* Currently GNU Chess doesn't offer or accept Adjourns */
15346 /* Offer Abort or accept pending Abort offer from opponent */
15348 if (appData.icsActive) {
15349 SendToICS(ics_prefix);
15350 SendToICS("abort\n");
15352 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15359 /* Resign. You can do this even if it's not your turn. */
15361 if (appData.icsActive) {
15362 SendToICS(ics_prefix);
15363 SendToICS("resign\n");
15365 switch (gameMode) {
15366 case MachinePlaysWhite:
15367 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15369 case MachinePlaysBlack:
15370 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15373 if (cmailMsgLoaded) {
15375 if (WhiteOnMove(cmailOldMove)) {
15376 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15378 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15380 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15391 StopObservingEvent ()
15393 /* Stop observing current games */
15394 SendToICS(ics_prefix);
15395 SendToICS("unobserve\n");
15399 StopExaminingEvent ()
15401 /* Stop observing current game */
15402 SendToICS(ics_prefix);
15403 SendToICS("unexamine\n");
15407 ForwardInner (int target)
15409 int limit; int oldSeekGraphUp = seekGraphUp;
15411 if (appData.debugMode)
15412 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15413 target, currentMove, forwardMostMove);
15415 if (gameMode == EditPosition)
15418 seekGraphUp = FALSE;
15419 MarkTargetSquares(1);
15421 if (gameMode == PlayFromGameFile && !pausing)
15424 if (gameMode == IcsExamining && pausing)
15425 limit = pauseExamForwardMostMove;
15427 limit = forwardMostMove;
15429 if (target > limit) target = limit;
15431 if (target > 0 && moveList[target - 1][0]) {
15432 int fromX, fromY, toX, toY;
15433 toX = moveList[target - 1][2] - AAA;
15434 toY = moveList[target - 1][3] - ONE;
15435 if (moveList[target - 1][1] == '@') {
15436 if (appData.highlightLastMove) {
15437 SetHighlights(-1, -1, toX, toY);
15440 fromX = moveList[target - 1][0] - AAA;
15441 fromY = moveList[target - 1][1] - ONE;
15442 if (target == currentMove + 1) {
15443 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15445 if (appData.highlightLastMove) {
15446 SetHighlights(fromX, fromY, toX, toY);
15450 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15451 gameMode == Training || gameMode == PlayFromGameFile ||
15452 gameMode == AnalyzeFile) {
15453 while (currentMove < target) {
15454 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15455 SendMoveToProgram(currentMove++, &first);
15458 currentMove = target;
15461 if (gameMode == EditGame || gameMode == EndOfGame) {
15462 whiteTimeRemaining = timeRemaining[0][currentMove];
15463 blackTimeRemaining = timeRemaining[1][currentMove];
15465 DisplayBothClocks();
15466 DisplayMove(currentMove - 1);
15467 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15468 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15469 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15470 DisplayComment(currentMove - 1, commentList[currentMove]);
15472 ClearMap(); // [HGM] exclude: invalidate map
15479 if (gameMode == IcsExamining && !pausing) {
15480 SendToICS(ics_prefix);
15481 SendToICS("forward\n");
15483 ForwardInner(currentMove + 1);
15490 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15491 /* to optimze, we temporarily turn off analysis mode while we feed
15492 * the remaining moves to the engine. Otherwise we get analysis output
15495 if (first.analysisSupport) {
15496 SendToProgram("exit\nforce\n", &first);
15497 first.analyzing = FALSE;
15501 if (gameMode == IcsExamining && !pausing) {
15502 SendToICS(ics_prefix);
15503 SendToICS("forward 999999\n");
15505 ForwardInner(forwardMostMove);
15508 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15509 /* we have fed all the moves, so reactivate analysis mode */
15510 SendToProgram("analyze\n", &first);
15511 first.analyzing = TRUE;
15512 /*first.maybeThinking = TRUE;*/
15513 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15518 BackwardInner (int target)
15520 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15522 if (appData.debugMode)
15523 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15524 target, currentMove, forwardMostMove);
15526 if (gameMode == EditPosition) return;
15527 seekGraphUp = FALSE;
15528 MarkTargetSquares(1);
15529 if (currentMove <= backwardMostMove) {
15531 DrawPosition(full_redraw, boards[currentMove]);
15534 if (gameMode == PlayFromGameFile && !pausing)
15537 if (moveList[target][0]) {
15538 int fromX, fromY, toX, toY;
15539 toX = moveList[target][2] - AAA;
15540 toY = moveList[target][3] - ONE;
15541 if (moveList[target][1] == '@') {
15542 if (appData.highlightLastMove) {
15543 SetHighlights(-1, -1, toX, toY);
15546 fromX = moveList[target][0] - AAA;
15547 fromY = moveList[target][1] - ONE;
15548 if (target == currentMove - 1) {
15549 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15551 if (appData.highlightLastMove) {
15552 SetHighlights(fromX, fromY, toX, toY);
15556 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15557 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15558 while (currentMove > target) {
15559 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15560 // null move cannot be undone. Reload program with move history before it.
15562 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15563 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15565 SendBoard(&first, i);
15566 if(second.analyzing) SendBoard(&second, i);
15567 for(currentMove=i; currentMove<target; currentMove++) {
15568 SendMoveToProgram(currentMove, &first);
15569 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15573 SendToBoth("undo\n");
15577 currentMove = target;
15580 if (gameMode == EditGame || gameMode == EndOfGame) {
15581 whiteTimeRemaining = timeRemaining[0][currentMove];
15582 blackTimeRemaining = timeRemaining[1][currentMove];
15584 DisplayBothClocks();
15585 DisplayMove(currentMove - 1);
15586 DrawPosition(full_redraw, boards[currentMove]);
15587 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15588 // [HGM] PV info: routine tests if comment empty
15589 DisplayComment(currentMove - 1, commentList[currentMove]);
15590 ClearMap(); // [HGM] exclude: invalidate map
15596 if (gameMode == IcsExamining && !pausing) {
15597 SendToICS(ics_prefix);
15598 SendToICS("backward\n");
15600 BackwardInner(currentMove - 1);
15607 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15608 /* to optimize, we temporarily turn off analysis mode while we undo
15609 * all the moves. Otherwise we get analysis output after each undo.
15611 if (first.analysisSupport) {
15612 SendToProgram("exit\nforce\n", &first);
15613 first.analyzing = FALSE;
15617 if (gameMode == IcsExamining && !pausing) {
15618 SendToICS(ics_prefix);
15619 SendToICS("backward 999999\n");
15621 BackwardInner(backwardMostMove);
15624 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15625 /* we have fed all the moves, so reactivate analysis mode */
15626 SendToProgram("analyze\n", &first);
15627 first.analyzing = TRUE;
15628 /*first.maybeThinking = TRUE;*/
15629 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15636 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15637 if (to >= forwardMostMove) to = forwardMostMove;
15638 if (to <= backwardMostMove) to = backwardMostMove;
15639 if (to < currentMove) {
15647 RevertEvent (Boolean annotate)
15649 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15652 if (gameMode != IcsExamining) {
15653 DisplayError(_("You are not examining a game"), 0);
15657 DisplayError(_("You can't revert while pausing"), 0);
15660 SendToICS(ics_prefix);
15661 SendToICS("revert\n");
15665 RetractMoveEvent ()
15667 switch (gameMode) {
15668 case MachinePlaysWhite:
15669 case MachinePlaysBlack:
15670 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15671 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15674 if (forwardMostMove < 2) return;
15675 currentMove = forwardMostMove = forwardMostMove - 2;
15676 whiteTimeRemaining = timeRemaining[0][currentMove];
15677 blackTimeRemaining = timeRemaining[1][currentMove];
15678 DisplayBothClocks();
15679 DisplayMove(currentMove - 1);
15680 ClearHighlights();/*!! could figure this out*/
15681 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15682 SendToProgram("remove\n", &first);
15683 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15686 case BeginningOfGame:
15690 case IcsPlayingWhite:
15691 case IcsPlayingBlack:
15692 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15693 SendToICS(ics_prefix);
15694 SendToICS("takeback 2\n");
15696 SendToICS(ics_prefix);
15697 SendToICS("takeback 1\n");
15706 ChessProgramState *cps;
15708 switch (gameMode) {
15709 case MachinePlaysWhite:
15710 if (!WhiteOnMove(forwardMostMove)) {
15711 DisplayError(_("It is your turn"), 0);
15716 case MachinePlaysBlack:
15717 if (WhiteOnMove(forwardMostMove)) {
15718 DisplayError(_("It is your turn"), 0);
15723 case TwoMachinesPlay:
15724 if (WhiteOnMove(forwardMostMove) ==
15725 (first.twoMachinesColor[0] == 'w')) {
15731 case BeginningOfGame:
15735 SendToProgram("?\n", cps);
15739 TruncateGameEvent ()
15742 if (gameMode != EditGame) return;
15749 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15750 if (forwardMostMove > currentMove) {
15751 if (gameInfo.resultDetails != NULL) {
15752 free(gameInfo.resultDetails);
15753 gameInfo.resultDetails = NULL;
15754 gameInfo.result = GameUnfinished;
15756 forwardMostMove = currentMove;
15757 HistorySet(parseList, backwardMostMove, forwardMostMove,
15765 if (appData.noChessProgram) return;
15766 switch (gameMode) {
15767 case MachinePlaysWhite:
15768 if (WhiteOnMove(forwardMostMove)) {
15769 DisplayError(_("Wait until your turn."), 0);
15773 case BeginningOfGame:
15774 case MachinePlaysBlack:
15775 if (!WhiteOnMove(forwardMostMove)) {
15776 DisplayError(_("Wait until your turn."), 0);
15781 DisplayError(_("No hint available"), 0);
15784 SendToProgram("hint\n", &first);
15785 hintRequested = TRUE;
15791 ListGame * lg = (ListGame *) gameList.head;
15794 static int secondTime = FALSE;
15796 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15797 DisplayError(_("Game list not loaded or empty"), 0);
15801 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15804 DisplayNote(_("Book file exists! Try again for overwrite."));
15808 creatingBook = TRUE;
15809 secondTime = FALSE;
15811 /* Get list size */
15812 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15813 LoadGame(f, nItem, "", TRUE);
15814 AddGameToBook(TRUE);
15815 lg = (ListGame *) lg->node.succ;
15818 creatingBook = FALSE;
15825 if (appData.noChessProgram) return;
15826 switch (gameMode) {
15827 case MachinePlaysWhite:
15828 if (WhiteOnMove(forwardMostMove)) {
15829 DisplayError(_("Wait until your turn."), 0);
15833 case BeginningOfGame:
15834 case MachinePlaysBlack:
15835 if (!WhiteOnMove(forwardMostMove)) {
15836 DisplayError(_("Wait until your turn."), 0);
15841 EditPositionDone(TRUE);
15843 case TwoMachinesPlay:
15848 SendToProgram("bk\n", &first);
15849 bookOutput[0] = NULLCHAR;
15850 bookRequested = TRUE;
15856 char *tags = PGNTags(&gameInfo);
15857 TagsPopUp(tags, CmailMsg());
15861 /* end button procedures */
15864 PrintPosition (FILE *fp, int move)
15868 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15869 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15870 char c = PieceToChar(boards[move][i][j]);
15871 fputc(c == 'x' ? '.' : c, fp);
15872 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15875 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15876 fprintf(fp, "white to play\n");
15878 fprintf(fp, "black to play\n");
15882 PrintOpponents (FILE *fp)
15884 if (gameInfo.white != NULL) {
15885 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15891 /* Find last component of program's own name, using some heuristics */
15893 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15896 int local = (strcmp(host, "localhost") == 0);
15897 while (!local && (p = strchr(prog, ';')) != NULL) {
15899 while (*p == ' ') p++;
15902 if (*prog == '"' || *prog == '\'') {
15903 q = strchr(prog + 1, *prog);
15905 q = strchr(prog, ' ');
15907 if (q == NULL) q = prog + strlen(prog);
15909 while (p >= prog && *p != '/' && *p != '\\') p--;
15911 if(p == prog && *p == '"') p++;
15913 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15914 memcpy(buf, p, q - p);
15915 buf[q - p] = NULLCHAR;
15923 TimeControlTagValue ()
15926 if (!appData.clockMode) {
15927 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15928 } else if (movesPerSession > 0) {
15929 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15930 } else if (timeIncrement == 0) {
15931 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15933 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15935 return StrSave(buf);
15941 /* This routine is used only for certain modes */
15942 VariantClass v = gameInfo.variant;
15943 ChessMove r = GameUnfinished;
15946 if(keepInfo) return;
15948 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15949 r = gameInfo.result;
15950 p = gameInfo.resultDetails;
15951 gameInfo.resultDetails = NULL;
15953 ClearGameInfo(&gameInfo);
15954 gameInfo.variant = v;
15956 switch (gameMode) {
15957 case MachinePlaysWhite:
15958 gameInfo.event = StrSave( appData.pgnEventHeader );
15959 gameInfo.site = StrSave(HostName());
15960 gameInfo.date = PGNDate();
15961 gameInfo.round = StrSave("-");
15962 gameInfo.white = StrSave(first.tidy);
15963 gameInfo.black = StrSave(UserName());
15964 gameInfo.timeControl = TimeControlTagValue();
15967 case MachinePlaysBlack:
15968 gameInfo.event = StrSave( appData.pgnEventHeader );
15969 gameInfo.site = StrSave(HostName());
15970 gameInfo.date = PGNDate();
15971 gameInfo.round = StrSave("-");
15972 gameInfo.white = StrSave(UserName());
15973 gameInfo.black = StrSave(first.tidy);
15974 gameInfo.timeControl = TimeControlTagValue();
15977 case TwoMachinesPlay:
15978 gameInfo.event = StrSave( appData.pgnEventHeader );
15979 gameInfo.site = StrSave(HostName());
15980 gameInfo.date = PGNDate();
15983 snprintf(buf, MSG_SIZ, "%d", roundNr);
15984 gameInfo.round = StrSave(buf);
15986 gameInfo.round = StrSave("-");
15988 if (first.twoMachinesColor[0] == 'w') {
15989 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15990 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15992 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15993 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15995 gameInfo.timeControl = TimeControlTagValue();
15999 gameInfo.event = StrSave("Edited game");
16000 gameInfo.site = StrSave(HostName());
16001 gameInfo.date = PGNDate();
16002 gameInfo.round = StrSave("-");
16003 gameInfo.white = StrSave("-");
16004 gameInfo.black = StrSave("-");
16005 gameInfo.result = r;
16006 gameInfo.resultDetails = p;
16010 gameInfo.event = StrSave("Edited position");
16011 gameInfo.site = StrSave(HostName());
16012 gameInfo.date = PGNDate();
16013 gameInfo.round = StrSave("-");
16014 gameInfo.white = StrSave("-");
16015 gameInfo.black = StrSave("-");
16018 case IcsPlayingWhite:
16019 case IcsPlayingBlack:
16024 case PlayFromGameFile:
16025 gameInfo.event = StrSave("Game from non-PGN file");
16026 gameInfo.site = StrSave(HostName());
16027 gameInfo.date = PGNDate();
16028 gameInfo.round = StrSave("-");
16029 gameInfo.white = StrSave("?");
16030 gameInfo.black = StrSave("?");
16039 ReplaceComment (int index, char *text)
16045 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16046 pvInfoList[index-1].depth == len &&
16047 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16048 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16049 while (*text == '\n') text++;
16050 len = strlen(text);
16051 while (len > 0 && text[len - 1] == '\n') len--;
16053 if (commentList[index] != NULL)
16054 free(commentList[index]);
16057 commentList[index] = NULL;
16060 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16061 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16062 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16063 commentList[index] = (char *) malloc(len + 2);
16064 strncpy(commentList[index], text, len);
16065 commentList[index][len] = '\n';
16066 commentList[index][len + 1] = NULLCHAR;
16068 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16070 commentList[index] = (char *) malloc(len + 7);
16071 safeStrCpy(commentList[index], "{\n", 3);
16072 safeStrCpy(commentList[index]+2, text, len+1);
16073 commentList[index][len+2] = NULLCHAR;
16074 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16075 strcat(commentList[index], "\n}\n");
16080 CrushCRs (char *text)
16088 if (ch == '\r') continue;
16090 } while (ch != '\0');
16094 AppendComment (int index, char *text, Boolean addBraces)
16095 /* addBraces tells if we should add {} */
16100 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16101 if(addBraces == 3) addBraces = 0; else // force appending literally
16102 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16105 while (*text == '\n') text++;
16106 len = strlen(text);
16107 while (len > 0 && text[len - 1] == '\n') len--;
16108 text[len] = NULLCHAR;
16110 if (len == 0) return;
16112 if (commentList[index] != NULL) {
16113 Boolean addClosingBrace = addBraces;
16114 old = commentList[index];
16115 oldlen = strlen(old);
16116 while(commentList[index][oldlen-1] == '\n')
16117 commentList[index][--oldlen] = NULLCHAR;
16118 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16119 safeStrCpy(commentList[index], old, oldlen + len + 6);
16121 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16122 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16123 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16124 while (*text == '\n') { text++; len--; }
16125 commentList[index][--oldlen] = NULLCHAR;
16127 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16128 else strcat(commentList[index], "\n");
16129 strcat(commentList[index], text);
16130 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16131 else strcat(commentList[index], "\n");
16133 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16135 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16136 else commentList[index][0] = NULLCHAR;
16137 strcat(commentList[index], text);
16138 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16139 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16144 FindStr (char * text, char * sub_text)
16146 char * result = strstr( text, sub_text );
16148 if( result != NULL ) {
16149 result += strlen( sub_text );
16155 /* [AS] Try to extract PV info from PGN comment */
16156 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16158 GetInfoFromComment (int index, char * text)
16160 char * sep = text, *p;
16162 if( text != NULL && index > 0 ) {
16165 int time = -1, sec = 0, deci;
16166 char * s_eval = FindStr( text, "[%eval " );
16167 char * s_emt = FindStr( text, "[%emt " );
16169 if( s_eval != NULL || s_emt != NULL ) {
16171 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16176 if( s_eval != NULL ) {
16177 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16181 if( delim != ']' ) {
16186 if( s_emt != NULL ) {
16191 /* We expect something like: [+|-]nnn.nn/dd */
16194 if(*text != '{') return text; // [HGM] braces: must be normal comment
16196 sep = strchr( text, '/' );
16197 if( sep == NULL || sep < (text+4) ) {
16202 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16203 if(p[1] == '(') { // comment starts with PV
16204 p = strchr(p, ')'); // locate end of PV
16205 if(p == NULL || sep < p+5) return text;
16206 // at this point we have something like "{(.*) +0.23/6 ..."
16207 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16208 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16209 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16211 time = -1; sec = -1; deci = -1;
16212 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16213 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16214 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16215 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16219 if( score_lo < 0 || score_lo >= 100 ) {
16223 if(sec >= 0) time = 600*time + 10*sec; else
16224 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16226 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16228 /* [HGM] PV time: now locate end of PV info */
16229 while( *++sep >= '0' && *sep <= '9'); // strip depth
16231 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16233 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16235 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16236 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16247 pvInfoList[index-1].depth = depth;
16248 pvInfoList[index-1].score = score;
16249 pvInfoList[index-1].time = 10*time; // centi-sec
16250 if(*sep == '}') *sep = 0; else *--sep = '{';
16251 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16257 SendToProgram (char *message, ChessProgramState *cps)
16259 int count, outCount, error;
16262 if (cps->pr == NoProc) return;
16265 if (appData.debugMode) {
16268 fprintf(debugFP, "%ld >%-6s: %s",
16269 SubtractTimeMarks(&now, &programStartTime),
16270 cps->which, message);
16272 fprintf(serverFP, "%ld >%-6s: %s",
16273 SubtractTimeMarks(&now, &programStartTime),
16274 cps->which, message), fflush(serverFP);
16277 count = strlen(message);
16278 outCount = OutputToProcess(cps->pr, message, count, &error);
16279 if (outCount < count && !exiting
16280 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16281 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16282 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16283 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16284 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16285 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16286 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16287 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16289 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16290 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16291 gameInfo.result = res;
16293 gameInfo.resultDetails = StrSave(buf);
16295 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16296 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16301 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16305 ChessProgramState *cps = (ChessProgramState *)closure;
16307 if (isr != cps->isr) return; /* Killed intentionally */
16310 RemoveInputSource(cps->isr);
16311 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16312 _(cps->which), cps->program);
16313 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16314 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16315 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16316 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16317 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16318 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16320 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16321 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16322 gameInfo.result = res;
16324 gameInfo.resultDetails = StrSave(buf);
16326 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16327 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16329 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16330 _(cps->which), cps->program);
16331 RemoveInputSource(cps->isr);
16333 /* [AS] Program is misbehaving badly... kill it */
16334 if( count == -2 ) {
16335 DestroyChildProcess( cps->pr, 9 );
16339 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16344 if ((end_str = strchr(message, '\r')) != NULL)
16345 *end_str = NULLCHAR;
16346 if ((end_str = strchr(message, '\n')) != NULL)
16347 *end_str = NULLCHAR;
16349 if (appData.debugMode) {
16350 TimeMark now; int print = 1;
16351 char *quote = ""; char c; int i;
16353 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16354 char start = message[0];
16355 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16356 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16357 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16358 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16359 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16360 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16361 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16362 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16363 sscanf(message, "hint: %c", &c)!=1 &&
16364 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16365 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16366 print = (appData.engineComments >= 2);
16368 message[0] = start; // restore original message
16372 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16373 SubtractTimeMarks(&now, &programStartTime), cps->which,
16377 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16378 SubtractTimeMarks(&now, &programStartTime), cps->which,
16380 message), fflush(serverFP);
16384 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16385 if (appData.icsEngineAnalyze) {
16386 if (strstr(message, "whisper") != NULL ||
16387 strstr(message, "kibitz") != NULL ||
16388 strstr(message, "tellics") != NULL) return;
16391 HandleMachineMove(message, cps);
16396 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16401 if( timeControl_2 > 0 ) {
16402 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16403 tc = timeControl_2;
16406 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16407 inc /= cps->timeOdds;
16408 st /= cps->timeOdds;
16410 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16413 /* Set exact time per move, normally using st command */
16414 if (cps->stKludge) {
16415 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16417 if (seconds == 0) {
16418 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16420 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16423 snprintf(buf, MSG_SIZ, "st %d\n", st);
16426 /* Set conventional or incremental time control, using level command */
16427 if (seconds == 0) {
16428 /* Note old gnuchess bug -- minutes:seconds used to not work.
16429 Fixed in later versions, but still avoid :seconds
16430 when seconds is 0. */
16431 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16433 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16434 seconds, inc/1000.);
16437 SendToProgram(buf, cps);
16439 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16440 /* Orthogonally, limit search to given depth */
16442 if (cps->sdKludge) {
16443 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16445 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16447 SendToProgram(buf, cps);
16450 if(cps->nps >= 0) { /* [HGM] nps */
16451 if(cps->supportsNPS == FALSE)
16452 cps->nps = -1; // don't use if engine explicitly says not supported!
16454 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16455 SendToProgram(buf, cps);
16460 ChessProgramState *
16462 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16464 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16465 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16471 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16473 char message[MSG_SIZ];
16476 /* Note: this routine must be called when the clocks are stopped
16477 or when they have *just* been set or switched; otherwise
16478 it will be off by the time since the current tick started.
16480 if (machineWhite) {
16481 time = whiteTimeRemaining / 10;
16482 otime = blackTimeRemaining / 10;
16484 time = blackTimeRemaining / 10;
16485 otime = whiteTimeRemaining / 10;
16487 /* [HGM] translate opponent's time by time-odds factor */
16488 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16490 if (time <= 0) time = 1;
16491 if (otime <= 0) otime = 1;
16493 snprintf(message, MSG_SIZ, "time %ld\n", time);
16494 SendToProgram(message, cps);
16496 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16497 SendToProgram(message, cps);
16501 EngineDefinedVariant (ChessProgramState *cps, int n)
16502 { // return name of n-th unknown variant that engine supports
16503 static char buf[MSG_SIZ];
16504 char *p, *s = cps->variants;
16505 if(!s) return NULL;
16506 do { // parse string from variants feature
16508 p = strchr(s, ',');
16509 if(p) *p = NULLCHAR;
16510 v = StringToVariant(s);
16511 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16512 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16513 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16516 if(n < 0) return buf;
16522 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16525 int len = strlen(name);
16528 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16530 sscanf(*p, "%d", &val);
16532 while (**p && **p != ' ')
16534 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16535 SendToProgram(buf, cps);
16542 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16545 int len = strlen(name);
16546 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16548 sscanf(*p, "%d", loc);
16549 while (**p && **p != ' ') (*p)++;
16550 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16551 SendToProgram(buf, cps);
16558 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16561 int len = strlen(name);
16562 if (strncmp((*p), name, len) == 0
16563 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16565 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16566 sscanf(*p, "%[^\"]", *loc);
16567 while (**p && **p != '\"') (*p)++;
16568 if (**p == '\"') (*p)++;
16569 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16570 SendToProgram(buf, cps);
16577 ParseOption (Option *opt, ChessProgramState *cps)
16578 // [HGM] options: process the string that defines an engine option, and determine
16579 // name, type, default value, and allowed value range
16581 char *p, *q, buf[MSG_SIZ];
16582 int n, min = (-1)<<31, max = 1<<31, def;
16584 if(p = strstr(opt->name, " -spin ")) {
16585 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16586 if(max < min) max = min; // enforce consistency
16587 if(def < min) def = min;
16588 if(def > max) def = max;
16593 } else if((p = strstr(opt->name, " -slider "))) {
16594 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16595 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16596 if(max < min) max = min; // enforce consistency
16597 if(def < min) def = min;
16598 if(def > max) def = max;
16602 opt->type = Spin; // Slider;
16603 } else if((p = strstr(opt->name, " -string "))) {
16604 opt->textValue = p+9;
16605 opt->type = TextBox;
16606 } else if((p = strstr(opt->name, " -file "))) {
16607 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16608 opt->textValue = p+7;
16609 opt->type = FileName; // FileName;
16610 } else if((p = strstr(opt->name, " -path "))) {
16611 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16612 opt->textValue = p+7;
16613 opt->type = PathName; // PathName;
16614 } else if(p = strstr(opt->name, " -check ")) {
16615 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16616 opt->value = (def != 0);
16617 opt->type = CheckBox;
16618 } else if(p = strstr(opt->name, " -combo ")) {
16619 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16620 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16621 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16622 opt->value = n = 0;
16623 while(q = StrStr(q, " /// ")) {
16624 n++; *q = 0; // count choices, and null-terminate each of them
16626 if(*q == '*') { // remember default, which is marked with * prefix
16630 cps->comboList[cps->comboCnt++] = q;
16632 cps->comboList[cps->comboCnt++] = NULL;
16634 opt->type = ComboBox;
16635 } else if(p = strstr(opt->name, " -button")) {
16636 opt->type = Button;
16637 } else if(p = strstr(opt->name, " -save")) {
16638 opt->type = SaveButton;
16639 } else return FALSE;
16640 *p = 0; // terminate option name
16641 // now look if the command-line options define a setting for this engine option.
16642 if(cps->optionSettings && cps->optionSettings[0])
16643 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16644 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16645 snprintf(buf, MSG_SIZ, "option %s", p);
16646 if(p = strstr(buf, ",")) *p = 0;
16647 if(q = strchr(buf, '=')) switch(opt->type) {
16649 for(n=0; n<opt->max; n++)
16650 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16653 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16657 opt->value = atoi(q+1);
16662 SendToProgram(buf, cps);
16668 FeatureDone (ChessProgramState *cps, int val)
16670 DelayedEventCallback cb = GetDelayedEvent();
16671 if ((cb == InitBackEnd3 && cps == &first) ||
16672 (cb == SettingsMenuIfReady && cps == &second) ||
16673 (cb == LoadEngine) ||
16674 (cb == TwoMachinesEventIfReady)) {
16675 CancelDelayedEvent();
16676 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16678 cps->initDone = val;
16679 if(val) cps->reload = FALSE;
16682 /* Parse feature command from engine */
16684 ParseFeatures (char *args, ChessProgramState *cps)
16692 while (*p == ' ') p++;
16693 if (*p == NULLCHAR) return;
16695 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16696 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16697 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16698 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16699 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16700 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16701 if (BoolFeature(&p, "reuse", &val, cps)) {
16702 /* Engine can disable reuse, but can't enable it if user said no */
16703 if (!val) cps->reuse = FALSE;
16706 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16707 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16708 if (gameMode == TwoMachinesPlay) {
16709 DisplayTwoMachinesTitle();
16715 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16716 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16717 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16718 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16719 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16720 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16721 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16722 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16723 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16724 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16725 if (IntFeature(&p, "done", &val, cps)) {
16726 FeatureDone(cps, val);
16729 /* Added by Tord: */
16730 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16731 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16732 /* End of additions by Tord */
16734 /* [HGM] added features: */
16735 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16736 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16737 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16738 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16739 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16740 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16741 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16742 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16743 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16744 FREE(cps->option[cps->nrOptions].name);
16745 cps->option[cps->nrOptions].name = q; q = NULL;
16746 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16747 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16748 SendToProgram(buf, cps);
16751 if(cps->nrOptions >= MAX_OPTIONS) {
16753 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16754 DisplayError(buf, 0);
16758 /* End of additions by HGM */
16760 /* unknown feature: complain and skip */
16762 while (*q && *q != '=') q++;
16763 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16764 SendToProgram(buf, cps);
16770 while (*p && *p != '\"') p++;
16771 if (*p == '\"') p++;
16773 while (*p && *p != ' ') p++;
16781 PeriodicUpdatesEvent (int newState)
16783 if (newState == appData.periodicUpdates)
16786 appData.periodicUpdates=newState;
16788 /* Display type changes, so update it now */
16789 // DisplayAnalysis();
16791 /* Get the ball rolling again... */
16793 AnalysisPeriodicEvent(1);
16794 StartAnalysisClock();
16799 PonderNextMoveEvent (int newState)
16801 if (newState == appData.ponderNextMove) return;
16802 if (gameMode == EditPosition) EditPositionDone(TRUE);
16804 SendToProgram("hard\n", &first);
16805 if (gameMode == TwoMachinesPlay) {
16806 SendToProgram("hard\n", &second);
16809 SendToProgram("easy\n", &first);
16810 thinkOutput[0] = NULLCHAR;
16811 if (gameMode == TwoMachinesPlay) {
16812 SendToProgram("easy\n", &second);
16815 appData.ponderNextMove = newState;
16819 NewSettingEvent (int option, int *feature, char *command, int value)
16823 if (gameMode == EditPosition) EditPositionDone(TRUE);
16824 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16825 if(feature == NULL || *feature) SendToProgram(buf, &first);
16826 if (gameMode == TwoMachinesPlay) {
16827 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16832 ShowThinkingEvent ()
16833 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16835 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16836 int newState = appData.showThinking
16837 // [HGM] thinking: other features now need thinking output as well
16838 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16840 if (oldState == newState) return;
16841 oldState = newState;
16842 if (gameMode == EditPosition) EditPositionDone(TRUE);
16844 SendToProgram("post\n", &first);
16845 if (gameMode == TwoMachinesPlay) {
16846 SendToProgram("post\n", &second);
16849 SendToProgram("nopost\n", &first);
16850 thinkOutput[0] = NULLCHAR;
16851 if (gameMode == TwoMachinesPlay) {
16852 SendToProgram("nopost\n", &second);
16855 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16859 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16861 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16862 if (pr == NoProc) return;
16863 AskQuestion(title, question, replyPrefix, pr);
16867 TypeInEvent (char firstChar)
16869 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16870 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16871 gameMode == AnalyzeMode || gameMode == EditGame ||
16872 gameMode == EditPosition || gameMode == IcsExamining ||
16873 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16874 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16875 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16876 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16877 gameMode == Training) PopUpMoveDialog(firstChar);
16881 TypeInDoneEvent (char *move)
16884 int n, fromX, fromY, toX, toY;
16886 ChessMove moveType;
16889 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16890 EditPositionPasteFEN(move);
16893 // [HGM] movenum: allow move number to be typed in any mode
16894 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16898 // undocumented kludge: allow command-line option to be typed in!
16899 // (potentially fatal, and does not implement the effect of the option.)
16900 // should only be used for options that are values on which future decisions will be made,
16901 // and definitely not on options that would be used during initialization.
16902 if(strstr(move, "!!! -") == move) {
16903 ParseArgsFromString(move+4);
16907 if (gameMode != EditGame && currentMove != forwardMostMove &&
16908 gameMode != Training) {
16909 DisplayMoveError(_("Displayed move is not current"));
16911 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16912 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16913 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16914 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16915 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16916 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16918 DisplayMoveError(_("Could not parse move"));
16924 DisplayMove (int moveNumber)
16926 char message[MSG_SIZ];
16928 char cpThinkOutput[MSG_SIZ];
16930 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16932 if (moveNumber == forwardMostMove - 1 ||
16933 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16935 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16937 if (strchr(cpThinkOutput, '\n')) {
16938 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16941 *cpThinkOutput = NULLCHAR;
16944 /* [AS] Hide thinking from human user */
16945 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16946 *cpThinkOutput = NULLCHAR;
16947 if( thinkOutput[0] != NULLCHAR ) {
16950 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16951 cpThinkOutput[i] = '.';
16953 cpThinkOutput[i] = NULLCHAR;
16954 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16958 if (moveNumber == forwardMostMove - 1 &&
16959 gameInfo.resultDetails != NULL) {
16960 if (gameInfo.resultDetails[0] == NULLCHAR) {
16961 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16963 snprintf(res, MSG_SIZ, " {%s} %s",
16964 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16970 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16971 DisplayMessage(res, cpThinkOutput);
16973 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16974 WhiteOnMove(moveNumber) ? " " : ".. ",
16975 parseList[moveNumber], res);
16976 DisplayMessage(message, cpThinkOutput);
16981 DisplayComment (int moveNumber, char *text)
16983 char title[MSG_SIZ];
16985 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16986 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16988 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16989 WhiteOnMove(moveNumber) ? " " : ".. ",
16990 parseList[moveNumber]);
16992 if (text != NULL && (appData.autoDisplayComment || commentUp))
16993 CommentPopUp(title, text);
16996 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16997 * might be busy thinking or pondering. It can be omitted if your
16998 * gnuchess is configured to stop thinking immediately on any user
16999 * input. However, that gnuchess feature depends on the FIONREAD
17000 * ioctl, which does not work properly on some flavors of Unix.
17003 Attention (ChessProgramState *cps)
17006 if (!cps->useSigint) return;
17007 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17008 switch (gameMode) {
17009 case MachinePlaysWhite:
17010 case MachinePlaysBlack:
17011 case TwoMachinesPlay:
17012 case IcsPlayingWhite:
17013 case IcsPlayingBlack:
17016 /* Skip if we know it isn't thinking */
17017 if (!cps->maybeThinking) return;
17018 if (appData.debugMode)
17019 fprintf(debugFP, "Interrupting %s\n", cps->which);
17020 InterruptChildProcess(cps->pr);
17021 cps->maybeThinking = FALSE;
17026 #endif /*ATTENTION*/
17032 if (whiteTimeRemaining <= 0) {
17035 if (appData.icsActive) {
17036 if (appData.autoCallFlag &&
17037 gameMode == IcsPlayingBlack && !blackFlag) {
17038 SendToICS(ics_prefix);
17039 SendToICS("flag\n");
17043 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17045 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17046 if (appData.autoCallFlag) {
17047 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17054 if (blackTimeRemaining <= 0) {
17057 if (appData.icsActive) {
17058 if (appData.autoCallFlag &&
17059 gameMode == IcsPlayingWhite && !whiteFlag) {
17060 SendToICS(ics_prefix);
17061 SendToICS("flag\n");
17065 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17067 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17068 if (appData.autoCallFlag) {
17069 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17080 CheckTimeControl ()
17082 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17083 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17086 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17088 if ( !WhiteOnMove(forwardMostMove) ) {
17089 /* White made time control */
17090 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17091 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17092 /* [HGM] time odds: correct new time quota for time odds! */
17093 / WhitePlayer()->timeOdds;
17094 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17096 lastBlack -= blackTimeRemaining;
17097 /* Black made time control */
17098 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17099 / WhitePlayer()->other->timeOdds;
17100 lastWhite = whiteTimeRemaining;
17105 DisplayBothClocks ()
17107 int wom = gameMode == EditPosition ?
17108 !blackPlaysFirst : WhiteOnMove(currentMove);
17109 DisplayWhiteClock(whiteTimeRemaining, wom);
17110 DisplayBlackClock(blackTimeRemaining, !wom);
17114 /* Timekeeping seems to be a portability nightmare. I think everyone
17115 has ftime(), but I'm really not sure, so I'm including some ifdefs
17116 to use other calls if you don't. Clocks will be less accurate if
17117 you have neither ftime nor gettimeofday.
17120 /* VS 2008 requires the #include outside of the function */
17121 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17122 #include <sys/timeb.h>
17125 /* Get the current time as a TimeMark */
17127 GetTimeMark (TimeMark *tm)
17129 #if HAVE_GETTIMEOFDAY
17131 struct timeval timeVal;
17132 struct timezone timeZone;
17134 gettimeofday(&timeVal, &timeZone);
17135 tm->sec = (long) timeVal.tv_sec;
17136 tm->ms = (int) (timeVal.tv_usec / 1000L);
17138 #else /*!HAVE_GETTIMEOFDAY*/
17141 // include <sys/timeb.h> / moved to just above start of function
17142 struct timeb timeB;
17145 tm->sec = (long) timeB.time;
17146 tm->ms = (int) timeB.millitm;
17148 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17149 tm->sec = (long) time(NULL);
17155 /* Return the difference in milliseconds between two
17156 time marks. We assume the difference will fit in a long!
17159 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17161 return 1000L*(tm2->sec - tm1->sec) +
17162 (long) (tm2->ms - tm1->ms);
17167 * Code to manage the game clocks.
17169 * In tournament play, black starts the clock and then white makes a move.
17170 * We give the human user a slight advantage if he is playing white---the
17171 * clocks don't run until he makes his first move, so it takes zero time.
17172 * Also, we don't account for network lag, so we could get out of sync
17173 * with GNU Chess's clock -- but then, referees are always right.
17176 static TimeMark tickStartTM;
17177 static long intendedTickLength;
17180 NextTickLength (long timeRemaining)
17182 long nominalTickLength, nextTickLength;
17184 if (timeRemaining > 0L && timeRemaining <= 10000L)
17185 nominalTickLength = 100L;
17187 nominalTickLength = 1000L;
17188 nextTickLength = timeRemaining % nominalTickLength;
17189 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17191 return nextTickLength;
17194 /* Adjust clock one minute up or down */
17196 AdjustClock (Boolean which, int dir)
17198 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17199 if(which) blackTimeRemaining += 60000*dir;
17200 else whiteTimeRemaining += 60000*dir;
17201 DisplayBothClocks();
17202 adjustedClock = TRUE;
17205 /* Stop clocks and reset to a fresh time control */
17209 (void) StopClockTimer();
17210 if (appData.icsActive) {
17211 whiteTimeRemaining = blackTimeRemaining = 0;
17212 } else if (searchTime) {
17213 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17214 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17215 } else { /* [HGM] correct new time quote for time odds */
17216 whiteTC = blackTC = fullTimeControlString;
17217 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17218 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17220 if (whiteFlag || blackFlag) {
17222 whiteFlag = blackFlag = FALSE;
17224 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17225 DisplayBothClocks();
17226 adjustedClock = FALSE;
17229 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17231 /* Decrement running clock by amount of time that has passed */
17235 long timeRemaining;
17236 long lastTickLength, fudge;
17239 if (!appData.clockMode) return;
17240 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17244 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17246 /* Fudge if we woke up a little too soon */
17247 fudge = intendedTickLength - lastTickLength;
17248 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17250 if (WhiteOnMove(forwardMostMove)) {
17251 if(whiteNPS >= 0) lastTickLength = 0;
17252 timeRemaining = whiteTimeRemaining -= lastTickLength;
17253 if(timeRemaining < 0 && !appData.icsActive) {
17254 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17255 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17256 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17257 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17260 DisplayWhiteClock(whiteTimeRemaining - fudge,
17261 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17263 if(blackNPS >= 0) lastTickLength = 0;
17264 timeRemaining = blackTimeRemaining -= lastTickLength;
17265 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17266 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17268 blackStartMove = forwardMostMove;
17269 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17272 DisplayBlackClock(blackTimeRemaining - fudge,
17273 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17275 if (CheckFlags()) return;
17277 if(twoBoards) { // count down secondary board's clocks as well
17278 activePartnerTime -= lastTickLength;
17280 if(activePartner == 'W')
17281 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17283 DisplayBlackClock(activePartnerTime, TRUE);
17288 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17289 StartClockTimer(intendedTickLength);
17291 /* if the time remaining has fallen below the alarm threshold, sound the
17292 * alarm. if the alarm has sounded and (due to a takeback or time control
17293 * with increment) the time remaining has increased to a level above the
17294 * threshold, reset the alarm so it can sound again.
17297 if (appData.icsActive && appData.icsAlarm) {
17299 /* make sure we are dealing with the user's clock */
17300 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17301 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17304 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17305 alarmSounded = FALSE;
17306 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17308 alarmSounded = TRUE;
17314 /* A player has just moved, so stop the previously running
17315 clock and (if in clock mode) start the other one.
17316 We redisplay both clocks in case we're in ICS mode, because
17317 ICS gives us an update to both clocks after every move.
17318 Note that this routine is called *after* forwardMostMove
17319 is updated, so the last fractional tick must be subtracted
17320 from the color that is *not* on move now.
17323 SwitchClocks (int newMoveNr)
17325 long lastTickLength;
17327 int flagged = FALSE;
17331 if (StopClockTimer() && appData.clockMode) {
17332 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17333 if (!WhiteOnMove(forwardMostMove)) {
17334 if(blackNPS >= 0) lastTickLength = 0;
17335 blackTimeRemaining -= lastTickLength;
17336 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17337 // if(pvInfoList[forwardMostMove].time == -1)
17338 pvInfoList[forwardMostMove].time = // use GUI time
17339 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17341 if(whiteNPS >= 0) lastTickLength = 0;
17342 whiteTimeRemaining -= lastTickLength;
17343 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17344 // if(pvInfoList[forwardMostMove].time == -1)
17345 pvInfoList[forwardMostMove].time =
17346 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17348 flagged = CheckFlags();
17350 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17351 CheckTimeControl();
17353 if (flagged || !appData.clockMode) return;
17355 switch (gameMode) {
17356 case MachinePlaysBlack:
17357 case MachinePlaysWhite:
17358 case BeginningOfGame:
17359 if (pausing) return;
17363 case PlayFromGameFile:
17371 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17372 if(WhiteOnMove(forwardMostMove))
17373 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17374 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17378 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17379 whiteTimeRemaining : blackTimeRemaining);
17380 StartClockTimer(intendedTickLength);
17384 /* Stop both clocks */
17388 long lastTickLength;
17391 if (!StopClockTimer()) return;
17392 if (!appData.clockMode) return;
17396 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17397 if (WhiteOnMove(forwardMostMove)) {
17398 if(whiteNPS >= 0) lastTickLength = 0;
17399 whiteTimeRemaining -= lastTickLength;
17400 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17402 if(blackNPS >= 0) lastTickLength = 0;
17403 blackTimeRemaining -= lastTickLength;
17404 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17409 /* Start clock of player on move. Time may have been reset, so
17410 if clock is already running, stop and restart it. */
17414 (void) StopClockTimer(); /* in case it was running already */
17415 DisplayBothClocks();
17416 if (CheckFlags()) return;
17418 if (!appData.clockMode) return;
17419 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17421 GetTimeMark(&tickStartTM);
17422 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17423 whiteTimeRemaining : blackTimeRemaining);
17425 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17426 whiteNPS = blackNPS = -1;
17427 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17428 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17429 whiteNPS = first.nps;
17430 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17431 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17432 blackNPS = first.nps;
17433 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17434 whiteNPS = second.nps;
17435 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17436 blackNPS = second.nps;
17437 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17439 StartClockTimer(intendedTickLength);
17443 TimeString (long ms)
17445 long second, minute, hour, day;
17447 static char buf[32];
17449 if (ms > 0 && ms <= 9900) {
17450 /* convert milliseconds to tenths, rounding up */
17451 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17453 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17457 /* convert milliseconds to seconds, rounding up */
17458 /* use floating point to avoid strangeness of integer division
17459 with negative dividends on many machines */
17460 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17467 day = second / (60 * 60 * 24);
17468 second = second % (60 * 60 * 24);
17469 hour = second / (60 * 60);
17470 second = second % (60 * 60);
17471 minute = second / 60;
17472 second = second % 60;
17475 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17476 sign, day, hour, minute, second);
17478 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17480 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17487 * This is necessary because some C libraries aren't ANSI C compliant yet.
17490 StrStr (char *string, char *match)
17494 length = strlen(match);
17496 for (i = strlen(string) - length; i >= 0; i--, string++)
17497 if (!strncmp(match, string, length))
17504 StrCaseStr (char *string, char *match)
17508 length = strlen(match);
17510 for (i = strlen(string) - length; i >= 0; i--, string++) {
17511 for (j = 0; j < length; j++) {
17512 if (ToLower(match[j]) != ToLower(string[j]))
17515 if (j == length) return string;
17523 StrCaseCmp (char *s1, char *s2)
17528 c1 = ToLower(*s1++);
17529 c2 = ToLower(*s2++);
17530 if (c1 > c2) return 1;
17531 if (c1 < c2) return -1;
17532 if (c1 == NULLCHAR) return 0;
17540 return isupper(c) ? tolower(c) : c;
17547 return islower(c) ? toupper(c) : c;
17549 #endif /* !_amigados */
17556 if ((ret = (char *) malloc(strlen(s) + 1)))
17558 safeStrCpy(ret, s, strlen(s)+1);
17564 StrSavePtr (char *s, char **savePtr)
17569 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17570 safeStrCpy(*savePtr, s, strlen(s)+1);
17582 clock = time((time_t *)NULL);
17583 tm = localtime(&clock);
17584 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17585 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17586 return StrSave(buf);
17591 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17593 int i, j, fromX, fromY, toX, toY;
17600 whiteToPlay = (gameMode == EditPosition) ?
17601 !blackPlaysFirst : (move % 2 == 0);
17604 /* Piece placement data */
17605 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17606 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17608 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17609 if (boards[move][i][j] == EmptySquare) {
17611 } else { ChessSquare piece = boards[move][i][j];
17612 if (emptycount > 0) {
17613 if(emptycount<10) /* [HGM] can be >= 10 */
17614 *p++ = '0' + emptycount;
17615 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17618 if(PieceToChar(piece) == '+') {
17619 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17621 piece = (ChessSquare)(DEMOTED piece);
17623 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17625 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17626 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17631 if (emptycount > 0) {
17632 if(emptycount<10) /* [HGM] can be >= 10 */
17633 *p++ = '0' + emptycount;
17634 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17641 /* [HGM] print Crazyhouse or Shogi holdings */
17642 if( gameInfo.holdingsWidth ) {
17643 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17645 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17646 piece = boards[move][i][BOARD_WIDTH-1];
17647 if( piece != EmptySquare )
17648 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17649 *p++ = PieceToChar(piece);
17651 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17652 piece = boards[move][BOARD_HEIGHT-i-1][0];
17653 if( piece != EmptySquare )
17654 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17655 *p++ = PieceToChar(piece);
17658 if( q == p ) *p++ = '-';
17664 *p++ = whiteToPlay ? 'w' : 'b';
17667 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17668 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17670 if(nrCastlingRights) {
17672 if(appData.fischerCastling) {
17673 /* [HGM] write directly from rights */
17674 if(boards[move][CASTLING][2] != NoRights &&
17675 boards[move][CASTLING][0] != NoRights )
17676 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17677 if(boards[move][CASTLING][2] != NoRights &&
17678 boards[move][CASTLING][1] != NoRights )
17679 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17680 if(boards[move][CASTLING][5] != NoRights &&
17681 boards[move][CASTLING][3] != NoRights )
17682 *p++ = boards[move][CASTLING][3] + AAA;
17683 if(boards[move][CASTLING][5] != NoRights &&
17684 boards[move][CASTLING][4] != NoRights )
17685 *p++ = boards[move][CASTLING][4] + AAA;
17688 /* [HGM] write true castling rights */
17689 if( nrCastlingRights == 6 ) {
17691 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17692 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17693 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17694 boards[move][CASTLING][2] != NoRights );
17695 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17696 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17697 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17698 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17699 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17703 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17704 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17705 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17706 boards[move][CASTLING][5] != NoRights );
17707 if(gameInfo.variant == VariantSChess) {
17708 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17709 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17710 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17711 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17716 if (q == p) *p++ = '-'; /* No castling rights */
17720 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17721 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17722 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17723 /* En passant target square */
17724 if (move > backwardMostMove) {
17725 fromX = moveList[move - 1][0] - AAA;
17726 fromY = moveList[move - 1][1] - ONE;
17727 toX = moveList[move - 1][2] - AAA;
17728 toY = moveList[move - 1][3] - ONE;
17729 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17730 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17731 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17733 /* 2-square pawn move just happened */
17735 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17739 } else if(move == backwardMostMove) {
17740 // [HGM] perhaps we should always do it like this, and forget the above?
17741 if((signed char)boards[move][EP_STATUS] >= 0) {
17742 *p++ = boards[move][EP_STATUS] + AAA;
17743 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17755 { int i = 0, j=move;
17757 /* [HGM] find reversible plies */
17758 if (appData.debugMode) { int k;
17759 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17760 for(k=backwardMostMove; k<=forwardMostMove; k++)
17761 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17765 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17766 if( j == backwardMostMove ) i += initialRulePlies;
17767 sprintf(p, "%d ", i);
17768 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17770 /* Fullmove number */
17771 sprintf(p, "%d", (move / 2) + 1);
17772 } else *--p = NULLCHAR;
17774 return StrSave(buf);
17778 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17780 int i, j, k, w=0, subst=0, shuffle=0;
17782 int emptycount, virgin[BOARD_FILES];
17787 /* Piece placement data */
17788 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17791 if (*p == '/' || *p == ' ' || *p == '[' ) {
17793 emptycount = gameInfo.boardWidth - j;
17794 while (emptycount--)
17795 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17796 if (*p == '/') p++;
17797 else if(autoSize) { // we stumbled unexpectedly into end of board
17798 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17799 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17801 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17804 #if(BOARD_FILES >= 10)
17805 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17806 p++; emptycount=10;
17807 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17808 while (emptycount--)
17809 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17811 } else if (*p == '*') {
17812 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17813 } else if (isdigit(*p)) {
17814 emptycount = *p++ - '0';
17815 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17816 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17817 while (emptycount--)
17818 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17819 } else if (*p == '<') {
17820 if(i == BOARD_HEIGHT-1) shuffle = 1;
17821 else if (i != 0 || !shuffle) return FALSE;
17823 } else if (shuffle && *p == '>') {
17824 p++; // for now ignore closing shuffle range, and assume rank-end
17825 } else if (*p == '?') {
17826 if (j >= gameInfo.boardWidth) return FALSE;
17827 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17828 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17829 } else if (*p == '+' || isalpha(*p)) {
17830 if (j >= gameInfo.boardWidth) return FALSE;
17832 piece = CharToPiece(*++p);
17833 if(piece == EmptySquare) return FALSE; /* unknown piece */
17834 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17835 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17836 } else piece = CharToPiece(*p++);
17838 if(piece==EmptySquare) return FALSE; /* unknown piece */
17839 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17840 piece = (ChessSquare) (PROMOTED piece);
17841 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17844 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17850 while (*p == '/' || *p == ' ') p++;
17852 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17854 /* [HGM] by default clear Crazyhouse holdings, if present */
17855 if(gameInfo.holdingsWidth) {
17856 for(i=0; i<BOARD_HEIGHT; i++) {
17857 board[i][0] = EmptySquare; /* black holdings */
17858 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17859 board[i][1] = (ChessSquare) 0; /* black counts */
17860 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17864 /* [HGM] look for Crazyhouse holdings here */
17865 while(*p==' ') p++;
17866 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17867 int swap=0, wcnt=0, bcnt=0;
17869 if(*p == '<') swap++, p++;
17870 if(*p == '-' ) p++; /* empty holdings */ else {
17871 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17872 /* if we would allow FEN reading to set board size, we would */
17873 /* have to add holdings and shift the board read so far here */
17874 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17876 if((int) piece >= (int) BlackPawn ) {
17877 i = (int)piece - (int)BlackPawn;
17878 i = PieceToNumber((ChessSquare)i);
17879 if( i >= gameInfo.holdingsSize ) return FALSE;
17880 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17881 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17884 i = (int)piece - (int)WhitePawn;
17885 i = PieceToNumber((ChessSquare)i);
17886 if( i >= gameInfo.holdingsSize ) return FALSE;
17887 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17888 board[i][BOARD_WIDTH-2]++; /* black holdings */
17892 if(subst) { // substitute back-rank question marks by holdings pieces
17893 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
17894 int k, m, n = bcnt + 1;
17895 if(board[0][j] == ClearBoard) {
17896 if(!wcnt) return FALSE;
17898 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
17899 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
17900 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
17904 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
17905 if(!bcnt) return FALSE;
17906 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
17907 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
17908 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
17909 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
17920 if(subst) return FALSE; // substitution requested, but no holdings
17922 while(*p == ' ') p++;
17926 if(appData.colorNickNames) {
17927 if( c == appData.colorNickNames[0] ) c = 'w'; else
17928 if( c == appData.colorNickNames[1] ) c = 'b';
17932 *blackPlaysFirst = FALSE;
17935 *blackPlaysFirst = TRUE;
17941 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17942 /* return the extra info in global variiables */
17944 /* set defaults in case FEN is incomplete */
17945 board[EP_STATUS] = EP_UNKNOWN;
17946 for(i=0; i<nrCastlingRights; i++ ) {
17947 board[CASTLING][i] =
17948 appData.fischerCastling ? NoRights : initialRights[i];
17949 } /* assume possible unless obviously impossible */
17950 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17951 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17952 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17953 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17954 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17955 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17956 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17957 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17960 while(*p==' ') p++;
17961 if(nrCastlingRights) {
17963 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17964 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17965 /* castling indicator present, so default becomes no castlings */
17966 for(i=0; i<nrCastlingRights; i++ ) {
17967 board[CASTLING][i] = NoRights;
17970 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17971 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
17972 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17973 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17974 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17976 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17977 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17978 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17980 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17981 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17982 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17983 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17984 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17985 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17988 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17989 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17990 board[CASTLING][2] = whiteKingFile;
17991 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17992 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17993 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
17996 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17997 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17998 board[CASTLING][2] = whiteKingFile;
17999 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18000 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18001 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18004 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18005 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18006 board[CASTLING][5] = blackKingFile;
18007 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18008 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18009 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18012 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18013 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18014 board[CASTLING][5] = blackKingFile;
18015 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18016 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18017 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18020 default: /* FRC castlings */
18021 if(c >= 'a') { /* black rights */
18022 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18023 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18024 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18025 if(i == BOARD_RGHT) break;
18026 board[CASTLING][5] = i;
18028 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18029 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18031 board[CASTLING][3] = c;
18033 board[CASTLING][4] = c;
18034 } else { /* white rights */
18035 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18036 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18037 if(board[0][i] == WhiteKing) break;
18038 if(i == BOARD_RGHT) break;
18039 board[CASTLING][2] = i;
18040 c -= AAA - 'a' + 'A';
18041 if(board[0][c] >= WhiteKing) break;
18043 board[CASTLING][0] = c;
18045 board[CASTLING][1] = c;
18049 for(i=0; i<nrCastlingRights; i++)
18050 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18051 if(gameInfo.variant == VariantSChess)
18052 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18053 if(fischer && shuffle) appData.fischerCastling = TRUE;
18054 if (appData.debugMode) {
18055 fprintf(debugFP, "FEN castling rights:");
18056 for(i=0; i<nrCastlingRights; i++)
18057 fprintf(debugFP, " %d", board[CASTLING][i]);
18058 fprintf(debugFP, "\n");
18061 while(*p==' ') p++;
18064 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18066 /* read e.p. field in games that know e.p. capture */
18067 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18068 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18069 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18071 p++; board[EP_STATUS] = EP_NONE;
18073 char c = *p++ - AAA;
18075 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18076 if(*p >= '0' && *p <='9') p++;
18077 board[EP_STATUS] = c;
18082 if(sscanf(p, "%d", &i) == 1) {
18083 FENrulePlies = i; /* 50-move ply counter */
18084 /* (The move number is still ignored) */
18091 EditPositionPasteFEN (char *fen)
18094 Board initial_position;
18096 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18097 DisplayError(_("Bad FEN position in clipboard"), 0);
18100 int savedBlackPlaysFirst = blackPlaysFirst;
18101 EditPositionEvent();
18102 blackPlaysFirst = savedBlackPlaysFirst;
18103 CopyBoard(boards[0], initial_position);
18104 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18105 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18106 DisplayBothClocks();
18107 DrawPosition(FALSE, boards[currentMove]);
18112 static char cseq[12] = "\\ ";
18115 set_cont_sequence (char *new_seq)
18120 // handle bad attempts to set the sequence
18122 return 0; // acceptable error - no debug
18124 len = strlen(new_seq);
18125 ret = (len > 0) && (len < sizeof(cseq));
18127 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18128 else if (appData.debugMode)
18129 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18134 reformat a source message so words don't cross the width boundary. internal
18135 newlines are not removed. returns the wrapped size (no null character unless
18136 included in source message). If dest is NULL, only calculate the size required
18137 for the dest buffer. lp argument indicats line position upon entry, and it's
18138 passed back upon exit.
18141 wrap (char *dest, char *src, int count, int width, int *lp)
18143 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18145 cseq_len = strlen(cseq);
18146 old_line = line = *lp;
18147 ansi = len = clen = 0;
18149 for (i=0; i < count; i++)
18151 if (src[i] == '\033')
18154 // if we hit the width, back up
18155 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18157 // store i & len in case the word is too long
18158 old_i = i, old_len = len;
18160 // find the end of the last word
18161 while (i && src[i] != ' ' && src[i] != '\n')
18167 // word too long? restore i & len before splitting it
18168 if ((old_i-i+clen) >= width)
18175 if (i && src[i-1] == ' ')
18178 if (src[i] != ' ' && src[i] != '\n')
18185 // now append the newline and continuation sequence
18190 strncpy(dest+len, cseq, cseq_len);
18198 dest[len] = src[i];
18202 if (src[i] == '\n')
18207 if (dest && appData.debugMode)
18209 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18210 count, width, line, len, *lp);
18211 show_bytes(debugFP, src, count);
18212 fprintf(debugFP, "\ndest: ");
18213 show_bytes(debugFP, dest, len);
18214 fprintf(debugFP, "\n");
18216 *lp = dest ? line : old_line;
18221 // [HGM] vari: routines for shelving variations
18222 Boolean modeRestore = FALSE;
18225 PushInner (int firstMove, int lastMove)
18227 int i, j, nrMoves = lastMove - firstMove;
18229 // push current tail of game on stack
18230 savedResult[storedGames] = gameInfo.result;
18231 savedDetails[storedGames] = gameInfo.resultDetails;
18232 gameInfo.resultDetails = NULL;
18233 savedFirst[storedGames] = firstMove;
18234 savedLast [storedGames] = lastMove;
18235 savedFramePtr[storedGames] = framePtr;
18236 framePtr -= nrMoves; // reserve space for the boards
18237 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18238 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18239 for(j=0; j<MOVE_LEN; j++)
18240 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18241 for(j=0; j<2*MOVE_LEN; j++)
18242 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18243 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18244 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18245 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18246 pvInfoList[firstMove+i-1].depth = 0;
18247 commentList[framePtr+i] = commentList[firstMove+i];
18248 commentList[firstMove+i] = NULL;
18252 forwardMostMove = firstMove; // truncate game so we can start variation
18256 PushTail (int firstMove, int lastMove)
18258 if(appData.icsActive) { // only in local mode
18259 forwardMostMove = currentMove; // mimic old ICS behavior
18262 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18264 PushInner(firstMove, lastMove);
18265 if(storedGames == 1) GreyRevert(FALSE);
18266 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18270 PopInner (Boolean annotate)
18273 char buf[8000], moveBuf[20];
18275 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18276 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18277 nrMoves = savedLast[storedGames] - currentMove;
18280 if(!WhiteOnMove(currentMove))
18281 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18282 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18283 for(i=currentMove; i<forwardMostMove; i++) {
18285 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18286 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18287 strcat(buf, moveBuf);
18288 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18289 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18293 for(i=1; i<=nrMoves; i++) { // copy last variation back
18294 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18295 for(j=0; j<MOVE_LEN; j++)
18296 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18297 for(j=0; j<2*MOVE_LEN; j++)
18298 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18299 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18300 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18301 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18302 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18303 commentList[currentMove+i] = commentList[framePtr+i];
18304 commentList[framePtr+i] = NULL;
18306 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18307 framePtr = savedFramePtr[storedGames];
18308 gameInfo.result = savedResult[storedGames];
18309 if(gameInfo.resultDetails != NULL) {
18310 free(gameInfo.resultDetails);
18312 gameInfo.resultDetails = savedDetails[storedGames];
18313 forwardMostMove = currentMove + nrMoves;
18317 PopTail (Boolean annotate)
18319 if(appData.icsActive) return FALSE; // only in local mode
18320 if(!storedGames) return FALSE; // sanity
18321 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18323 PopInner(annotate);
18324 if(currentMove < forwardMostMove) ForwardEvent(); else
18325 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18327 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18333 { // remove all shelved variations
18335 for(i=0; i<storedGames; i++) {
18336 if(savedDetails[i])
18337 free(savedDetails[i]);
18338 savedDetails[i] = NULL;
18340 for(i=framePtr; i<MAX_MOVES; i++) {
18341 if(commentList[i]) free(commentList[i]);
18342 commentList[i] = NULL;
18344 framePtr = MAX_MOVES-1;
18349 LoadVariation (int index, char *text)
18350 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18351 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18352 int level = 0, move;
18354 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18355 // first find outermost bracketing variation
18356 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18357 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18358 if(*p == '{') wait = '}'; else
18359 if(*p == '[') wait = ']'; else
18360 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18361 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18363 if(*p == wait) wait = NULLCHAR; // closing ]} found
18366 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18367 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18368 end[1] = NULLCHAR; // clip off comment beyond variation
18369 ToNrEvent(currentMove-1);
18370 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18371 // kludge: use ParsePV() to append variation to game
18372 move = currentMove;
18373 ParsePV(start, TRUE, TRUE);
18374 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18375 ClearPremoveHighlights();
18377 ToNrEvent(currentMove+1);
18383 char *p, *q, buf[MSG_SIZ];
18384 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18385 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18386 ParseArgsFromString(buf);
18387 ActivateTheme(TRUE); // also redo colors
18391 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18394 q = appData.themeNames;
18395 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18396 if(appData.useBitmaps) {
18397 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18398 appData.liteBackTextureFile, appData.darkBackTextureFile,
18399 appData.liteBackTextureMode,
18400 appData.darkBackTextureMode );
18402 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18403 Col2Text(2), // lightSquareColor
18404 Col2Text(3) ); // darkSquareColor
18406 if(appData.useBorder) {
18407 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18410 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18412 if(appData.useFont) {
18413 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18414 appData.renderPiecesWithFont,
18415 appData.fontToPieceTable,
18416 Col2Text(9), // appData.fontBackColorWhite
18417 Col2Text(10) ); // appData.fontForeColorBlack
18419 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18420 appData.pieceDirectory);
18421 if(!appData.pieceDirectory[0])
18422 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18423 Col2Text(0), // whitePieceColor
18424 Col2Text(1) ); // blackPieceColor
18426 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18427 Col2Text(4), // highlightSquareColor
18428 Col2Text(5) ); // premoveHighlightColor
18429 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18430 if(insert != q) insert[-1] = NULLCHAR;
18431 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18434 ActivateTheme(FALSE);