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, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4166 int oldFMM = forwardMostMove;
4168 ClearPremoveHighlights();
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4171 UserMoveEvent(premoveFromX, premoveFromY,
4172 premoveToX, premoveToY,
4174 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4175 if(moveList[oldFMM-1][1] != '@')
4176 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4177 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4179 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4184 /* Usually suppress following prompt */
4185 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4186 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4187 if (looking_at(buf, &i, "*% ")) {
4188 savingComment = FALSE;
4193 } else if (started == STARTED_HOLDINGS) {
4195 char new_piece[MSG_SIZ];
4196 started = STARTED_NONE;
4197 parse[parse_pos] = NULLCHAR;
4198 if (appData.debugMode)
4199 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4200 parse, currentMove);
4201 if (sscanf(parse, " game %d", &gamenum) == 1) {
4202 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4203 if (gameInfo.variant == VariantNormal) {
4204 /* [HGM] We seem to switch variant during a game!
4205 * Presumably no holdings were displayed, so we have
4206 * to move the position two files to the right to
4207 * create room for them!
4209 VariantClass newVariant;
4210 switch(gameInfo.boardWidth) { // base guess on board width
4211 case 9: newVariant = VariantShogi; break;
4212 case 10: newVariant = VariantGreat; break;
4213 default: newVariant = VariantCrazyhouse; break;
4215 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4216 /* Get a move list just to see the header, which
4217 will tell us whether this is really bug or zh */
4218 if (ics_getting_history == H_FALSE) {
4219 ics_getting_history = H_REQUESTED;
4220 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4224 new_piece[0] = NULLCHAR;
4225 sscanf(parse, "game %d white [%s black [%s <- %s",
4226 &gamenum, white_holding, black_holding,
4228 white_holding[strlen(white_holding)-1] = NULLCHAR;
4229 black_holding[strlen(black_holding)-1] = NULLCHAR;
4230 /* [HGM] copy holdings to board holdings area */
4231 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4232 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4233 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4235 if (appData.zippyPlay && first.initDone) {
4236 ZippyHoldings(white_holding, black_holding,
4240 if (tinyLayout || smallLayout) {
4241 char wh[16], bh[16];
4242 PackHolding(wh, white_holding);
4243 PackHolding(bh, black_holding);
4244 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4245 gameInfo.white, gameInfo.black);
4247 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4248 gameInfo.white, white_holding, _("vs."),
4249 gameInfo.black, black_holding);
4251 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4252 DrawPosition(FALSE, boards[currentMove]);
4254 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4255 sscanf(parse, "game %d white [%s black [%s <- %s",
4256 &gamenum, white_holding, black_holding,
4258 white_holding[strlen(white_holding)-1] = NULLCHAR;
4259 black_holding[strlen(black_holding)-1] = NULLCHAR;
4260 /* [HGM] copy holdings to partner-board holdings area */
4261 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4262 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4263 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4264 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4265 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4268 /* Suppress following prompt */
4269 if (looking_at(buf, &i, "*% ")) {
4270 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4271 savingComment = FALSE;
4279 i++; /* skip unparsed character and loop back */
4282 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4283 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4284 // SendToPlayer(&buf[next_out], i - next_out);
4285 started != STARTED_HOLDINGS && leftover_start > next_out) {
4286 SendToPlayer(&buf[next_out], leftover_start - next_out);
4290 leftover_len = buf_len - leftover_start;
4291 /* if buffer ends with something we couldn't parse,
4292 reparse it after appending the next read */
4294 } else if (count == 0) {
4295 RemoveInputSource(isr);
4296 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4298 DisplayFatalError(_("Error reading from ICS"), error, 1);
4303 /* Board style 12 looks like this:
4305 <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
4307 * The "<12> " is stripped before it gets to this routine. The two
4308 * trailing 0's (flip state and clock ticking) are later addition, and
4309 * some chess servers may not have them, or may have only the first.
4310 * Additional trailing fields may be added in the future.
4313 #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"
4315 #define RELATION_OBSERVING_PLAYED 0
4316 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4317 #define RELATION_PLAYING_MYMOVE 1
4318 #define RELATION_PLAYING_NOTMYMOVE -1
4319 #define RELATION_EXAMINING 2
4320 #define RELATION_ISOLATED_BOARD -3
4321 #define RELATION_STARTING_POSITION -4 /* FICS only */
4324 ParseBoard12 (char *string)
4328 char *bookHit = NULL; // [HGM] book
4330 GameMode newGameMode;
4331 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4332 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4333 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4334 char to_play, board_chars[200];
4335 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4336 char black[32], white[32];
4338 int prevMove = currentMove;
4341 int fromX, fromY, toX, toY;
4343 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4344 Boolean weird = FALSE, reqFlag = FALSE;
4346 fromX = fromY = toX = toY = -1;
4350 if (appData.debugMode)
4351 fprintf(debugFP, "Parsing board: %s\n", string);
4353 move_str[0] = NULLCHAR;
4354 elapsed_time[0] = NULLCHAR;
4355 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4357 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4358 if(string[i] == ' ') { ranks++; files = 0; }
4360 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4363 for(j = 0; j <i; j++) board_chars[j] = string[j];
4364 board_chars[i] = '\0';
4367 n = sscanf(string, PATTERN, &to_play, &double_push,
4368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4369 &gamenum, white, black, &relation, &basetime, &increment,
4370 &white_stren, &black_stren, &white_time, &black_time,
4371 &moveNum, str, elapsed_time, move_str, &ics_flip,
4375 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4376 DisplayError(str, 0);
4380 /* Convert the move number to internal form */
4381 moveNum = (moveNum - 1) * 2;
4382 if (to_play == 'B') moveNum++;
4383 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4390 case RELATION_OBSERVING_PLAYED:
4391 case RELATION_OBSERVING_STATIC:
4392 if (gamenum == -1) {
4393 /* Old ICC buglet */
4394 relation = RELATION_OBSERVING_STATIC;
4396 newGameMode = IcsObserving;
4398 case RELATION_PLAYING_MYMOVE:
4399 case RELATION_PLAYING_NOTMYMOVE:
4401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4402 IcsPlayingWhite : IcsPlayingBlack;
4403 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4405 case RELATION_EXAMINING:
4406 newGameMode = IcsExamining;
4408 case RELATION_ISOLATED_BOARD:
4410 /* Just display this board. If user was doing something else,
4411 we will forget about it until the next board comes. */
4412 newGameMode = IcsIdle;
4414 case RELATION_STARTING_POSITION:
4415 newGameMode = gameMode;
4419 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4420 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4421 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4422 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4423 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4424 static int lastBgGame = -1;
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(partnerBoard, board);
4435 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4436 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4437 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4438 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4439 if(toSqr = strchr(str, '-')) {
4440 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4441 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4442 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4443 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4444 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4445 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4447 DisplayWhiteClock(white_time*fac, to_play == 'W');
4448 DisplayBlackClock(black_time*fac, to_play != 'W');
4449 activePartner = to_play;
4450 if(gamenum != lastBgGame) {
4452 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4455 lastBgGame = gamenum;
4456 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4457 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4458 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4459 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4460 if(!twoBoards) DisplayMessage(partnerStatus, "");
4461 partnerBoardValid = TRUE;
4465 if(appData.dualBoard && appData.bgObserve) {
4466 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4467 SendToICS(ics_prefix), SendToICS("pobserve\n");
4468 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4470 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4475 /* Modify behavior for initial board display on move listing
4478 switch (ics_getting_history) {
4482 case H_GOT_REQ_HEADER:
4483 case H_GOT_UNREQ_HEADER:
4484 /* This is the initial position of the current game */
4485 gamenum = ics_gamenum;
4486 moveNum = 0; /* old ICS bug workaround */
4487 if (to_play == 'B') {
4488 startedFromSetupPosition = TRUE;
4489 blackPlaysFirst = TRUE;
4491 if (forwardMostMove == 0) forwardMostMove = 1;
4492 if (backwardMostMove == 0) backwardMostMove = 1;
4493 if (currentMove == 0) currentMove = 1;
4495 newGameMode = gameMode;
4496 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4498 case H_GOT_UNWANTED_HEADER:
4499 /* This is an initial board that we don't want */
4501 case H_GETTING_MOVES:
4502 /* Should not happen */
4503 DisplayError(_("Error gathering move list: extra board"), 0);
4504 ics_getting_history = H_FALSE;
4508 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4509 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4510 weird && (int)gameInfo.variant < (int)VariantShogi) {
4511 /* [HGM] We seem to have switched variant unexpectedly
4512 * Try to guess new variant from board size
4514 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4515 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4516 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4517 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4518 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4519 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4520 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4521 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4522 /* Get a move list just to see the header, which
4523 will tell us whether this is really bug or zh */
4524 if (ics_getting_history == H_FALSE) {
4525 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4531 /* Take action if this is the first board of a new game, or of a
4532 different game than is currently being displayed. */
4533 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4534 relation == RELATION_ISOLATED_BOARD) {
4536 /* Forget the old game and get the history (if any) of the new one */
4537 if (gameMode != BeginningOfGame) {
4541 if (appData.autoRaiseBoard) BoardToTop();
4543 if (gamenum == -1) {
4544 newGameMode = IcsIdle;
4545 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4546 appData.getMoveList && !reqFlag) {
4547 /* Need to get game history */
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 /* Initially flip the board to have black on the bottom if playing
4554 black or if the ICS flip flag is set, but let the user change
4555 it with the Flip View button. */
4556 flipView = appData.autoFlipView ?
4557 (newGameMode == IcsPlayingBlack) || ics_flip :
4560 /* Done with values from previous mode; copy in new ones */
4561 gameMode = newGameMode;
4563 ics_gamenum = gamenum;
4564 if (gamenum == gs_gamenum) {
4565 int klen = strlen(gs_kind);
4566 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4567 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4568 gameInfo.event = StrSave(str);
4570 gameInfo.event = StrSave("ICS game");
4572 gameInfo.site = StrSave(appData.icsHost);
4573 gameInfo.date = PGNDate();
4574 gameInfo.round = StrSave("-");
4575 gameInfo.white = StrSave(white);
4576 gameInfo.black = StrSave(black);
4577 timeControl = basetime * 60 * 1000;
4579 timeIncrement = increment * 1000;
4580 movesPerSession = 0;
4581 gameInfo.timeControl = TimeControlTagValue();
4582 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4583 if (appData.debugMode) {
4584 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4585 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4586 setbuf(debugFP, NULL);
4589 gameInfo.outOfBook = NULL;
4591 /* Do we have the ratings? */
4592 if (strcmp(player1Name, white) == 0 &&
4593 strcmp(player2Name, black) == 0) {
4594 if (appData.debugMode)
4595 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4596 player1Rating, player2Rating);
4597 gameInfo.whiteRating = player1Rating;
4598 gameInfo.blackRating = player2Rating;
4599 } else if (strcmp(player2Name, white) == 0 &&
4600 strcmp(player1Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player2Rating, player1Rating);
4604 gameInfo.whiteRating = player2Rating;
4605 gameInfo.blackRating = player1Rating;
4607 player1Name[0] = player2Name[0] = NULLCHAR;
4609 /* Silence shouts if requested */
4610 if (appData.quietPlay &&
4611 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4612 SendToICS(ics_prefix);
4613 SendToICS("set shout 0\n");
4617 /* Deal with midgame name changes */
4619 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4620 if (gameInfo.white) free(gameInfo.white);
4621 gameInfo.white = StrSave(white);
4623 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4624 if (gameInfo.black) free(gameInfo.black);
4625 gameInfo.black = StrSave(black);
4629 /* Throw away game result if anything actually changes in examine mode */
4630 if (gameMode == IcsExamining && !newGame) {
4631 gameInfo.result = GameUnfinished;
4632 if (gameInfo.resultDetails != NULL) {
4633 free(gameInfo.resultDetails);
4634 gameInfo.resultDetails = NULL;
4638 /* In pausing && IcsExamining mode, we ignore boards coming
4639 in if they are in a different variation than we are. */
4640 if (pauseExamInvalid) return;
4641 if (pausing && gameMode == IcsExamining) {
4642 if (moveNum <= pauseExamForwardMostMove) {
4643 pauseExamInvalid = TRUE;
4644 forwardMostMove = pauseExamForwardMostMove;
4649 if (appData.debugMode) {
4650 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4652 /* Parse the board */
4653 for (k = 0; k < ranks; k++) {
4654 for (j = 0; j < files; j++)
4655 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4656 if(gameInfo.holdingsWidth > 1) {
4657 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4658 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4661 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4662 board[5][BOARD_RGHT+1] = WhiteAngel;
4663 board[6][BOARD_RGHT+1] = WhiteMarshall;
4664 board[1][0] = BlackMarshall;
4665 board[2][0] = BlackAngel;
4666 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4668 CopyBoard(boards[moveNum], board);
4669 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4671 startedFromSetupPosition =
4672 !CompareBoards(board, initialPosition);
4673 if(startedFromSetupPosition)
4674 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4677 /* [HGM] Set castling rights. Take the outermost Rooks,
4678 to make it also work for FRC opening positions. Note that board12
4679 is really defective for later FRC positions, as it has no way to
4680 indicate which Rook can castle if they are on the same side of King.
4681 For the initial position we grant rights to the outermost Rooks,
4682 and remember thos rights, and we then copy them on positions
4683 later in an FRC game. This means WB might not recognize castlings with
4684 Rooks that have moved back to their original position as illegal,
4685 but in ICS mode that is not its job anyway.
4687 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4688 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4690 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4691 if(board[0][i] == WhiteRook) j = i;
4692 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4693 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4694 if(board[0][i] == WhiteRook) j = i;
4695 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4698 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4701 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4704 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4705 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4706 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4707 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4708 if(board[BOARD_HEIGHT-1][k] == bKing)
4709 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4710 if(gameInfo.variant == VariantTwoKings) {
4711 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4712 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4713 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4716 r = boards[moveNum][CASTLING][0] = initialRights[0];
4717 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4718 r = boards[moveNum][CASTLING][1] = initialRights[1];
4719 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4720 r = boards[moveNum][CASTLING][3] = initialRights[3];
4721 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4722 r = boards[moveNum][CASTLING][4] = initialRights[4];
4723 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4724 /* wildcastle kludge: always assume King has rights */
4725 r = boards[moveNum][CASTLING][2] = initialRights[2];
4726 r = boards[moveNum][CASTLING][5] = initialRights[5];
4728 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4729 boards[moveNum][EP_STATUS] = EP_NONE;
4730 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4731 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4732 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4735 if (ics_getting_history == H_GOT_REQ_HEADER ||
4736 ics_getting_history == H_GOT_UNREQ_HEADER) {
4737 /* This was an initial position from a move list, not
4738 the current position */
4742 /* Update currentMove and known move number limits */
4743 newMove = newGame || moveNum > forwardMostMove;
4746 forwardMostMove = backwardMostMove = currentMove = moveNum;
4747 if (gameMode == IcsExamining && moveNum == 0) {
4748 /* Workaround for ICS limitation: we are not told the wild
4749 type when starting to examine a game. But if we ask for
4750 the move list, the move list header will tell us */
4751 ics_getting_history = H_REQUESTED;
4752 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4755 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4756 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4758 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4759 /* [HGM] applied this also to an engine that is silently watching */
4760 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4761 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4762 gameInfo.variant == currentlyInitializedVariant) {
4763 takeback = forwardMostMove - moveNum;
4764 for (i = 0; i < takeback; i++) {
4765 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4766 SendToProgram("undo\n", &first);
4771 forwardMostMove = moveNum;
4772 if (!pausing || currentMove > forwardMostMove)
4773 currentMove = forwardMostMove;
4775 /* New part of history that is not contiguous with old part */
4776 if (pausing && gameMode == IcsExamining) {
4777 pauseExamInvalid = TRUE;
4778 forwardMostMove = pauseExamForwardMostMove;
4781 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4783 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4784 // [HGM] when we will receive the move list we now request, it will be
4785 // fed to the engine from the first move on. So if the engine is not
4786 // in the initial position now, bring it there.
4787 InitChessProgram(&first, 0);
4790 ics_getting_history = H_REQUESTED;
4791 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4794 forwardMostMove = backwardMostMove = currentMove = moveNum;
4797 /* Update the clocks */
4798 if (strchr(elapsed_time, '.')) {
4800 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4801 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4803 /* Time is in seconds */
4804 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4805 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4810 if (appData.zippyPlay && newGame &&
4811 gameMode != IcsObserving && gameMode != IcsIdle &&
4812 gameMode != IcsExamining)
4813 ZippyFirstBoard(moveNum, basetime, increment);
4816 /* Put the move on the move list, first converting
4817 to canonical algebraic form. */
4819 if (appData.debugMode) {
4820 int f = forwardMostMove;
4821 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4822 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4823 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4824 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4825 fprintf(debugFP, "moveNum = %d\n", moveNum);
4826 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4827 setbuf(debugFP, NULL);
4829 if (moveNum <= backwardMostMove) {
4830 /* We don't know what the board looked like before
4832 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4833 strcat(parseList[moveNum - 1], " ");
4834 strcat(parseList[moveNum - 1], elapsed_time);
4835 moveList[moveNum - 1][0] = NULLCHAR;
4836 } else if (strcmp(move_str, "none") == 0) {
4837 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4838 /* Again, we don't know what the board looked like;
4839 this is really the start of the game. */
4840 parseList[moveNum - 1][0] = NULLCHAR;
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 backwardMostMove = moveNum;
4843 startedFromSetupPosition = TRUE;
4844 fromX = fromY = toX = toY = -1;
4846 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4847 // So we parse the long-algebraic move string in stead of the SAN move
4848 int valid; char buf[MSG_SIZ], *prom;
4850 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4851 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4852 // str looks something like "Q/a1-a2"; kill the slash
4854 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4855 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4856 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4857 strcat(buf, prom); // long move lacks promo specification!
4858 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4859 if(appData.debugMode)
4860 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4861 safeStrCpy(move_str, buf, MSG_SIZ);
4863 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4864 &fromX, &fromY, &toX, &toY, &promoChar)
4865 || ParseOneMove(buf, moveNum - 1, &moveType,
4866 &fromX, &fromY, &toX, &toY, &promoChar);
4867 // end of long SAN patch
4869 (void) CoordsToAlgebraic(boards[moveNum - 1],
4870 PosFlags(moveNum - 1),
4871 fromY, fromX, toY, toX, promoChar,
4872 parseList[moveNum-1]);
4873 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4879 if(!IS_SHOGI(gameInfo.variant))
4880 strcat(parseList[moveNum - 1], "+");
4883 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4884 strcat(parseList[moveNum - 1], "#");
4887 strcat(parseList[moveNum - 1], " ");
4888 strcat(parseList[moveNum - 1], elapsed_time);
4889 /* currentMoveString is set as a side-effect of ParseOneMove */
4890 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4891 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4892 strcat(moveList[moveNum - 1], "\n");
4894 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4895 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4896 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4897 ChessSquare old, new = boards[moveNum][k][j];
4898 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4899 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4900 if(old == new) continue;
4901 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4902 else if(new == WhiteWazir || new == BlackWazir) {
4903 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4904 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4905 else boards[moveNum][k][j] = old; // preserve type of Gold
4906 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4907 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4910 /* Move from ICS was illegal!? Punt. */
4911 if (appData.debugMode) {
4912 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4915 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4916 strcat(parseList[moveNum - 1], " ");
4917 strcat(parseList[moveNum - 1], elapsed_time);
4918 moveList[moveNum - 1][0] = NULLCHAR;
4919 fromX = fromY = toX = toY = -1;
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4924 setbuf(debugFP, NULL);
4928 /* Send move to chess program (BEFORE animating it). */
4929 if (appData.zippyPlay && !newGame && newMove &&
4930 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4932 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4933 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4934 if (moveList[moveNum - 1][0] == NULLCHAR) {
4935 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4937 DisplayError(str, 0);
4939 if (first.sendTime) {
4940 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4942 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4943 if (firstMove && !bookHit) {
4945 if (first.useColors) {
4946 SendToProgram(gameMode == IcsPlayingWhite ?
4948 "black\ngo\n", &first);
4950 SendToProgram("go\n", &first);
4952 first.maybeThinking = TRUE;
4955 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4956 if (moveList[moveNum - 1][0] == NULLCHAR) {
4957 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4958 DisplayError(str, 0);
4960 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4961 SendMoveToProgram(moveNum - 1, &first);
4968 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4969 /* If move comes from a remote source, animate it. If it
4970 isn't remote, it will have already been animated. */
4971 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4972 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4974 if (!pausing && appData.highlightLastMove) {
4975 SetHighlights(fromX, fromY, toX, toY);
4979 /* Start the clocks */
4980 whiteFlag = blackFlag = FALSE;
4981 appData.clockMode = !(basetime == 0 && increment == 0);
4983 ics_clock_paused = TRUE;
4985 } else if (ticking == 1) {
4986 ics_clock_paused = FALSE;
4988 if (gameMode == IcsIdle ||
4989 relation == RELATION_OBSERVING_STATIC ||
4990 relation == RELATION_EXAMINING ||
4992 DisplayBothClocks();
4996 /* Display opponents and material strengths */
4997 if (gameInfo.variant != VariantBughouse &&
4998 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4999 if (tinyLayout || smallLayout) {
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5002 gameInfo.white, white_stren, gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5006 gameInfo.white, white_stren, gameInfo.black, black_stren,
5007 basetime, increment, (int) gameInfo.variant);
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5011 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5015 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5016 basetime, increment, VariantName(gameInfo.variant));
5019 if (appData.debugMode) {
5020 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5025 /* Display the board */
5026 if (!pausing && !appData.noGUI) {
5028 if (appData.premove)
5030 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5031 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5032 ClearPremoveHighlights();
5034 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5035 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5036 DrawPosition(j, boards[currentMove]);
5038 DisplayMove(moveNum - 1);
5039 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5040 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5041 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5042 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5046 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5048 if(bookHit) { // [HGM] book: simulate book reply
5049 static char bookMove[MSG_SIZ]; // a bit generous?
5051 programStats.nodes = programStats.depth = programStats.time =
5052 programStats.score = programStats.got_only_move = 0;
5053 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5055 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5056 strcat(bookMove, bookHit);
5057 HandleMachineMove(bookMove, &first);
5066 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5067 ics_getting_history = H_REQUESTED;
5068 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5074 SendToBoth (char *msg)
5075 { // to make it easy to keep two engines in step in dual analysis
5076 SendToProgram(msg, &first);
5077 if(second.analyzing) SendToProgram(msg, &second);
5081 AnalysisPeriodicEvent (int force)
5083 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5084 && !force) || !appData.periodicUpdates)
5087 /* Send . command to Crafty to collect stats */
5090 /* Don't send another until we get a response (this makes
5091 us stop sending to old Crafty's which don't understand
5092 the "." command (sending illegal cmds resets node count & time,
5093 which looks bad)) */
5094 programStats.ok_to_send = 0;
5098 ics_update_width (int new_width)
5100 ics_printf("set width %d\n", new_width);
5104 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5108 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5109 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5110 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5111 SendToProgram(buf, cps);
5114 // null move in variant where engine does not understand it (for analysis purposes)
5115 SendBoard(cps, moveNum + 1); // send position after move in stead.
5118 if (cps->useUsermove) {
5119 SendToProgram("usermove ", cps);
5123 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5124 int len = space - parseList[moveNum];
5125 memcpy(buf, parseList[moveNum], len);
5127 buf[len] = NULLCHAR;
5129 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5131 SendToProgram(buf, cps);
5133 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5134 AlphaRank(moveList[moveNum], 4);
5135 SendToProgram(moveList[moveNum], cps);
5136 AlphaRank(moveList[moveNum], 4); // and back
5138 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5139 * the engine. It would be nice to have a better way to identify castle
5141 if(appData.fischerCastling && cps->useOOCastle) {
5142 int fromX = moveList[moveNum][0] - AAA;
5143 int fromY = moveList[moveNum][1] - ONE;
5144 int toX = moveList[moveNum][2] - AAA;
5145 int toY = moveList[moveNum][3] - ONE;
5146 if((boards[moveNum][fromY][fromX] == WhiteKing
5147 && boards[moveNum][toY][toX] == WhiteRook)
5148 || (boards[moveNum][fromY][fromX] == BlackKing
5149 && boards[moveNum][toY][toX] == BlackRook)) {
5150 if(toX > fromX) SendToProgram("O-O\n", cps);
5151 else SendToProgram("O-O-O\n", cps);
5153 else SendToProgram(moveList[moveNum], cps);
5155 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5156 char *m = moveList[moveNum];
5158 *c = m[7]; // promoChar
5159 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5160 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5163 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5165 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5168 m[2], m[3] - '0', c);
5169 SendToProgram(buf, cps);
5171 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5172 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5173 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5174 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5175 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5177 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5178 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5179 SendToProgram(buf, cps);
5181 else SendToProgram(moveList[moveNum], cps);
5182 /* End of additions by Tord */
5185 /* [HGM] setting up the opening has brought engine in force mode! */
5186 /* Send 'go' if we are in a mode where machine should play. */
5187 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5188 (gameMode == TwoMachinesPlay ||
5190 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5192 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5193 SendToProgram("go\n", cps);
5194 if (appData.debugMode) {
5195 fprintf(debugFP, "(extra)\n");
5198 setboardSpoiledMachineBlack = 0;
5202 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5204 char user_move[MSG_SIZ];
5207 if(gameInfo.variant == VariantSChess && promoChar) {
5208 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5209 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5210 } else suffix[0] = NULLCHAR;
5214 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5215 (int)moveType, fromX, fromY, toX, toY);
5216 DisplayError(user_move + strlen("say "), 0);
5218 case WhiteKingSideCastle:
5219 case BlackKingSideCastle:
5220 case WhiteQueenSideCastleWild:
5221 case BlackQueenSideCastleWild:
5223 case WhiteHSideCastleFR:
5224 case BlackHSideCastleFR:
5226 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5228 case WhiteQueenSideCastle:
5229 case BlackQueenSideCastle:
5230 case WhiteKingSideCastleWild:
5231 case BlackKingSideCastleWild:
5233 case WhiteASideCastleFR:
5234 case BlackASideCastleFR:
5236 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5238 case WhiteNonPromotion:
5239 case BlackNonPromotion:
5240 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5242 case WhitePromotion:
5243 case BlackPromotion:
5244 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5245 gameInfo.variant == VariantMakruk)
5246 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5247 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5248 PieceToChar(WhiteFerz));
5249 else if(gameInfo.variant == VariantGreat)
5250 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5251 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5252 PieceToChar(WhiteMan));
5254 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5255 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5261 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5262 ToUpper(PieceToChar((ChessSquare) fromX)),
5263 AAA + toX, ONE + toY);
5265 case IllegalMove: /* could be a variant we don't quite understand */
5266 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5268 case WhiteCapturesEnPassant:
5269 case BlackCapturesEnPassant:
5270 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5274 SendToICS(user_move);
5275 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5276 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5281 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5282 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5283 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5284 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5285 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5288 if(gameMode != IcsExamining) { // is this ever not the case?
5289 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5291 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5292 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5293 } else { // on FICS we must first go to general examine mode
5294 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5296 if(gameInfo.variant != VariantNormal) {
5297 // try figure out wild number, as xboard names are not always valid on ICS
5298 for(i=1; i<=36; i++) {
5299 snprintf(buf, MSG_SIZ, "wild/%d", i);
5300 if(StringToVariant(buf) == gameInfo.variant) break;
5302 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5303 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5304 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5305 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5306 SendToICS(ics_prefix);
5308 if(startedFromSetupPosition || backwardMostMove != 0) {
5309 fen = PositionToFEN(backwardMostMove, NULL, 1);
5310 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5311 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5313 } else { // FICS: everything has to set by separate bsetup commands
5314 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5315 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5317 if(!WhiteOnMove(backwardMostMove)) {
5318 SendToICS("bsetup tomove black\n");
5320 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5321 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5323 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5324 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5326 i = boards[backwardMostMove][EP_STATUS];
5327 if(i >= 0) { // set e.p.
5328 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5334 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5335 SendToICS("bsetup done\n"); // switch to normal examining.
5337 for(i = backwardMostMove; i<last; i++) {
5339 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5340 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5341 int len = strlen(moveList[i]);
5342 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5343 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5347 SendToICS(ics_prefix);
5348 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5351 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5355 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5357 if (rf == DROP_RANK) {
5358 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5359 sprintf(move, "%c@%c%c\n",
5360 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5362 if (promoChar == 'x' || promoChar == NULLCHAR) {
5363 sprintf(move, "%c%c%c%c\n",
5364 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5365 if(killX >= 0 && killY >= 0) {
5366 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5367 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5370 sprintf(move, "%c%c%c%c%c\n",
5371 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5372 if(killX >= 0 && killY >= 0) {
5373 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5374 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5381 ProcessICSInitScript (FILE *f)
5385 while (fgets(buf, MSG_SIZ, f)) {
5386 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5393 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5395 static ClickType lastClickType;
5398 PieceInString (char *s, ChessSquare piece)
5400 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5401 while((p = strchr(s, ID))) {
5402 if(!suffix || p[1] == suffix) return TRUE;
5409 Partner (ChessSquare *p)
5410 { // change piece into promotion partner if one shogi-promotes to the other
5411 ChessSquare partner = promoPartner[*p];
5412 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5413 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5421 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5422 static int toggleFlag;
5423 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5424 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5425 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5426 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5427 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5428 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5430 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5431 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5432 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5433 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5434 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5435 if(!step) step = -1;
5436 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5437 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5438 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5439 promoSweep == pawn ||
5440 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5441 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5443 int victim = boards[currentMove][toY][toX];
5444 boards[currentMove][toY][toX] = promoSweep;
5445 DrawPosition(FALSE, boards[currentMove]);
5446 boards[currentMove][toY][toX] = victim;
5448 ChangeDragPiece(promoSweep);
5452 PromoScroll (int x, int y)
5456 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5457 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5458 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5459 if(!step) return FALSE;
5460 lastX = x; lastY = y;
5461 if((promoSweep < BlackPawn) == flipView) step = -step;
5462 if(step > 0) selectFlag = 1;
5463 if(!selectFlag) Sweep(step);
5468 NextPiece (int step)
5470 ChessSquare piece = boards[currentMove][toY][toX];
5473 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5474 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5475 if(!step) step = -1;
5476 } while(PieceToChar(pieceSweep) == '.');
5477 boards[currentMove][toY][toX] = pieceSweep;
5478 DrawPosition(FALSE, boards[currentMove]);
5479 boards[currentMove][toY][toX] = piece;
5481 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5483 AlphaRank (char *move, int n)
5485 // char *p = move, c; int x, y;
5487 if (appData.debugMode) {
5488 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5492 move[2]>='0' && move[2]<='9' &&
5493 move[3]>='a' && move[3]<='x' ) {
5495 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5496 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5498 if(move[0]>='0' && move[0]<='9' &&
5499 move[1]>='a' && move[1]<='x' &&
5500 move[2]>='0' && move[2]<='9' &&
5501 move[3]>='a' && move[3]<='x' ) {
5502 /* input move, Shogi -> normal */
5503 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5504 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5505 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5506 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5509 move[3]>='0' && move[3]<='9' &&
5510 move[2]>='a' && move[2]<='x' ) {
5512 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5513 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5516 move[0]>='a' && move[0]<='x' &&
5517 move[3]>='0' && move[3]<='9' &&
5518 move[2]>='a' && move[2]<='x' ) {
5519 /* output move, normal -> Shogi */
5520 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5521 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5522 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5523 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5524 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5526 if (appData.debugMode) {
5527 fprintf(debugFP, " out = '%s'\n", move);
5531 char yy_textstr[8000];
5533 /* Parser for moves from gnuchess, ICS, or user typein box */
5535 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5537 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5539 switch (*moveType) {
5540 case WhitePromotion:
5541 case BlackPromotion:
5542 case WhiteNonPromotion:
5543 case BlackNonPromotion:
5546 case WhiteCapturesEnPassant:
5547 case BlackCapturesEnPassant:
5548 case WhiteKingSideCastle:
5549 case WhiteQueenSideCastle:
5550 case BlackKingSideCastle:
5551 case BlackQueenSideCastle:
5552 case WhiteKingSideCastleWild:
5553 case WhiteQueenSideCastleWild:
5554 case BlackKingSideCastleWild:
5555 case BlackQueenSideCastleWild:
5556 /* Code added by Tord: */
5557 case WhiteHSideCastleFR:
5558 case WhiteASideCastleFR:
5559 case BlackHSideCastleFR:
5560 case BlackASideCastleFR:
5561 /* End of code added by Tord */
5562 case IllegalMove: /* bug or odd chess variant */
5563 if(currentMoveString[1] == '@') { // illegal drop
5564 *fromX = WhiteOnMove(moveNum) ?
5565 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5566 (int) CharToPiece(ToLower(currentMoveString[0]));
5569 *fromX = currentMoveString[0] - AAA;
5570 *fromY = currentMoveString[1] - ONE;
5571 *toX = currentMoveString[2] - AAA;
5572 *toY = currentMoveString[3] - ONE;
5573 *promoChar = currentMoveString[4];
5574 if(*promoChar == ';') *promoChar = currentMoveString[7];
5575 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5576 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5577 if (appData.debugMode) {
5578 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5580 *fromX = *fromY = *toX = *toY = 0;
5583 if (appData.testLegality) {
5584 return (*moveType != IllegalMove);
5586 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5587 // [HGM] lion: if this is a double move we are less critical
5588 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5593 *fromX = *moveType == WhiteDrop ?
5594 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5595 (int) CharToPiece(ToLower(currentMoveString[0]));
5598 *toX = currentMoveString[2] - AAA;
5599 *toY = currentMoveString[3] - ONE;
5600 *promoChar = NULLCHAR;
5604 case ImpossibleMove:
5614 if (appData.debugMode) {
5615 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5618 *fromX = *fromY = *toX = *toY = 0;
5619 *promoChar = NULLCHAR;
5624 Boolean pushed = FALSE;
5625 char *lastParseAttempt;
5628 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5629 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5630 int fromX, fromY, toX, toY; char promoChar;
5635 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5636 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5637 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5640 endPV = forwardMostMove;
5642 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5643 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5644 lastParseAttempt = pv;
5645 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5646 if(!valid && nr == 0 &&
5647 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5648 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5649 // Hande case where played move is different from leading PV move
5650 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5651 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5652 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5653 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5654 endPV += 2; // if position different, keep this
5655 moveList[endPV-1][0] = fromX + AAA;
5656 moveList[endPV-1][1] = fromY + ONE;
5657 moveList[endPV-1][2] = toX + AAA;
5658 moveList[endPV-1][3] = toY + ONE;
5659 parseList[endPV-1][0] = NULLCHAR;
5660 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5663 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5664 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5665 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5666 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5667 valid++; // allow comments in PV
5671 if(endPV+1 > framePtr) break; // no space, truncate
5674 CopyBoard(boards[endPV], boards[endPV-1]);
5675 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5676 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5677 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5678 CoordsToAlgebraic(boards[endPV - 1],
5679 PosFlags(endPV - 1),
5680 fromY, fromX, toY, toX, promoChar,
5681 parseList[endPV - 1]);
5683 if(atEnd == 2) return; // used hidden, for PV conversion
5684 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5685 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5686 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5687 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5688 DrawPosition(TRUE, boards[currentMove]);
5692 MultiPV (ChessProgramState *cps, int kind)
5693 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5695 for(i=0; i<cps->nrOptions; i++) {
5696 char *s = cps->option[i].name;
5697 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5698 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5699 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5704 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5705 static int multi, pv_margin;
5706 static ChessProgramState *activeCps;
5709 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5711 int startPV, lineStart, origIndex = index;
5712 char *p, buf2[MSG_SIZ];
5713 ChessProgramState *cps = (pane ? &second : &first);
5715 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5716 lastX = x; lastY = y;
5717 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5718 lineStart = startPV = index;
5719 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5720 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5722 do{ while(buf[index] && buf[index] != '\n') index++;
5723 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5725 if(lineStart == 0 && gameMode == AnalyzeMode) {
5727 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5728 if(n == 0) { // click not on "fewer" or "more"
5729 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5730 pv_margin = cps->option[multi].value;
5731 activeCps = cps; // non-null signals margin adjustment
5733 } else if((multi = MultiPV(cps, 1)) >= 0) {
5734 n += cps->option[multi].value; if(n < 1) n = 1;
5735 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5736 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5737 cps->option[multi].value = n;
5741 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5742 ExcludeClick(origIndex - lineStart);
5744 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5745 Collapse(origIndex - lineStart);
5748 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5749 *start = startPV; *end = index-1;
5750 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5757 static char buf[10*MSG_SIZ];
5758 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5760 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5761 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5762 for(i = forwardMostMove; i<endPV; i++){
5763 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5764 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5767 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5768 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5769 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5775 LoadPV (int x, int y)
5776 { // called on right mouse click to load PV
5777 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5778 lastX = x; lastY = y;
5779 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5787 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5789 if(pv_margin != activeCps->option[multi].value) {
5791 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5792 SendToProgram(buf, activeCps);
5793 activeCps->option[multi].value = pv_margin;
5798 if(endPV < 0) return;
5799 if(appData.autoCopyPV) CopyFENToClipboard();
5801 if(extendGame && currentMove > forwardMostMove) {
5802 Boolean saveAnimate = appData.animate;
5804 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5805 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5806 } else storedGames--; // abandon shelved tail of original game
5809 forwardMostMove = currentMove;
5810 currentMove = oldFMM;
5811 appData.animate = FALSE;
5812 ToNrEvent(forwardMostMove);
5813 appData.animate = saveAnimate;
5815 currentMove = forwardMostMove;
5816 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5817 ClearPremoveHighlights();
5818 DrawPosition(TRUE, boards[currentMove]);
5822 MovePV (int x, int y, int h)
5823 { // step through PV based on mouse coordinates (called on mouse move)
5824 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5826 if(activeCps) { // adjusting engine's multi-pv margin
5827 if(x > lastX) pv_margin++; else
5828 if(x < lastX) pv_margin -= (pv_margin > 0);
5831 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5832 DisplayMessage(buf, "");
5837 // we must somehow check if right button is still down (might be released off board!)
5838 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5839 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5840 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5842 lastX = x; lastY = y;
5844 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5845 if(endPV < 0) return;
5846 if(y < margin) step = 1; else
5847 if(y > h - margin) step = -1;
5848 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5849 currentMove += step;
5850 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5851 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5852 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5853 DrawPosition(FALSE, boards[currentMove]);
5857 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5858 // All positions will have equal probability, but the current method will not provide a unique
5859 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5865 int piecesLeft[(int)BlackPawn];
5866 int seed, nrOfShuffles;
5869 GetPositionNumber ()
5870 { // sets global variable seed
5873 seed = appData.defaultFrcPosition;
5874 if(seed < 0) { // randomize based on time for negative FRC position numbers
5875 for(i=0; i<50; i++) seed += random();
5876 seed = random() ^ random() >> 8 ^ random() << 8;
5877 if(seed<0) seed = -seed;
5882 put (Board board, int pieceType, int rank, int n, int shade)
5883 // put the piece on the (n-1)-th empty squares of the given shade
5887 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5888 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5889 board[rank][i] = (ChessSquare) pieceType;
5890 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5892 piecesLeft[pieceType]--;
5901 AddOnePiece (Board board, int pieceType, int rank, int shade)
5902 // calculate where the next piece goes, (any empty square), and put it there
5906 i = seed % squaresLeft[shade];
5907 nrOfShuffles *= squaresLeft[shade];
5908 seed /= squaresLeft[shade];
5909 put(board, pieceType, rank, i, shade);
5913 AddTwoPieces (Board board, int pieceType, int rank)
5914 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5916 int i, n=squaresLeft[ANY], j=n-1, k;
5918 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5919 i = seed % k; // pick one
5922 while(i >= j) i -= j--;
5923 j = n - 1 - j; i += j;
5924 put(board, pieceType, rank, j, ANY);
5925 put(board, pieceType, rank, i, ANY);
5929 SetUpShuffle (Board board, int number)
5933 GetPositionNumber(); nrOfShuffles = 1;
5935 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5936 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5937 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5939 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5941 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5942 p = (int) board[0][i];
5943 if(p < (int) BlackPawn) piecesLeft[p] ++;
5944 board[0][i] = EmptySquare;
5947 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5948 // shuffles restricted to allow normal castling put KRR first
5949 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5950 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5951 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5952 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5953 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5954 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5955 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5956 put(board, WhiteRook, 0, 0, ANY);
5957 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5960 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5961 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5962 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5963 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5964 while(piecesLeft[p] >= 2) {
5965 AddOnePiece(board, p, 0, LITE);
5966 AddOnePiece(board, p, 0, DARK);
5968 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5971 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5972 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5973 // but we leave King and Rooks for last, to possibly obey FRC restriction
5974 if(p == (int)WhiteRook) continue;
5975 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5976 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5979 // now everything is placed, except perhaps King (Unicorn) and Rooks
5981 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5982 // Last King gets castling rights
5983 while(piecesLeft[(int)WhiteUnicorn]) {
5984 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5985 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5988 while(piecesLeft[(int)WhiteKing]) {
5989 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5990 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5995 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5996 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5999 // Only Rooks can be left; simply place them all
6000 while(piecesLeft[(int)WhiteRook]) {
6001 i = put(board, WhiteRook, 0, 0, ANY);
6002 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6005 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6007 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6010 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6011 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6014 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6018 ptclen (const char *s, char *escapes)
6021 if(!*escapes) return strlen(s);
6022 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6027 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6028 /* [HGM] moved here from winboard.c because of its general usefulness */
6029 /* Basically a safe strcpy that uses the last character as King */
6031 int result = FALSE; int NrPieces;
6032 unsigned char partner[EmptySquare];
6034 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6035 && NrPieces >= 12 && !(NrPieces&1)) {
6036 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6038 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6039 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6041 if(map[j] == '/') offs = WhitePBishop - i, j++;
6042 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6043 table[i+offs] = map[j++];
6044 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6045 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6046 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6048 table[(int) WhiteKing] = map[j++];
6049 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6051 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6052 i = WHITE_TO_BLACK ii;
6053 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6054 table[i+offs] = map[j++];
6055 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6056 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6057 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6059 table[(int) BlackKing] = map[j++];
6062 if(*escapes) { // set up promotion pairing
6063 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6064 // pieceToChar entirely filled, so we can look up specified partners
6065 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6067 if(c == '^' || c == '-') { // has specified partner
6069 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6070 if(c == '^') table[i] = '+';
6071 if(p < EmptySquare) {
6072 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6073 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6074 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6076 } else if(c == '*') {
6077 table[i] = partner[i];
6078 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6090 SetCharTable (unsigned char *table, const char * map)
6092 return SetCharTableEsc(table, map, "");
6096 Prelude (Board board)
6097 { // [HGM] superchess: random selection of exo-pieces
6098 int i, j, k; ChessSquare p;
6099 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6101 GetPositionNumber(); // use FRC position number
6103 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6104 SetCharTable(pieceToChar, appData.pieceToCharTable);
6105 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6106 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6109 j = seed%4; seed /= 4;
6110 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6111 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6112 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6113 j = seed%3 + (seed%3 >= j); seed /= 3;
6114 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6115 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6116 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6117 j = seed%3; seed /= 3;
6118 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6119 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6120 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6121 j = seed%2 + (seed%2 >= j); seed /= 2;
6122 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6123 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6124 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6125 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6126 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6127 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6128 put(board, exoPieces[0], 0, 0, ANY);
6129 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6133 InitPosition (int redraw)
6135 ChessSquare (* pieces)[BOARD_FILES];
6136 int i, j, pawnRow=1, pieceRows=1, overrule,
6137 oldx = gameInfo.boardWidth,
6138 oldy = gameInfo.boardHeight,
6139 oldh = gameInfo.holdingsWidth;
6142 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6144 /* [AS] Initialize pv info list [HGM] and game status */
6146 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6147 pvInfoList[i].depth = 0;
6148 boards[i][EP_STATUS] = EP_NONE;
6149 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6152 initialRulePlies = 0; /* 50-move counter start */
6154 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6155 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6159 /* [HGM] logic here is completely changed. In stead of full positions */
6160 /* the initialized data only consist of the two backranks. The switch */
6161 /* selects which one we will use, which is than copied to the Board */
6162 /* initialPosition, which for the rest is initialized by Pawns and */
6163 /* empty squares. This initial position is then copied to boards[0], */
6164 /* possibly after shuffling, so that it remains available. */
6166 gameInfo.holdingsWidth = 0; /* default board sizes */
6167 gameInfo.boardWidth = 8;
6168 gameInfo.boardHeight = 8;
6169 gameInfo.holdingsSize = 0;
6170 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6171 for(i=0; i<BOARD_FILES-6; i++)
6172 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6173 initialPosition[EP_STATUS] = EP_NONE;
6174 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6175 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6176 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6177 SetCharTable(pieceNickName, appData.pieceNickNames);
6178 else SetCharTable(pieceNickName, "............");
6181 switch (gameInfo.variant) {
6182 case VariantFischeRandom:
6183 shuffleOpenings = TRUE;
6184 appData.fischerCastling = TRUE;
6187 case VariantShatranj:
6188 pieces = ShatranjArray;
6189 nrCastlingRights = 0;
6190 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6193 pieces = makrukArray;
6194 nrCastlingRights = 0;
6195 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6198 pieces = aseanArray;
6199 nrCastlingRights = 0;
6200 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6202 case VariantTwoKings:
6203 pieces = twoKingsArray;
6206 pieces = GrandArray;
6207 nrCastlingRights = 0;
6208 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6209 gameInfo.boardWidth = 10;
6210 gameInfo.boardHeight = 10;
6211 gameInfo.holdingsSize = 7;
6213 case VariantCapaRandom:
6214 shuffleOpenings = TRUE;
6215 appData.fischerCastling = TRUE;
6216 case VariantCapablanca:
6217 pieces = CapablancaArray;
6218 gameInfo.boardWidth = 10;
6219 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6222 pieces = GothicArray;
6223 gameInfo.boardWidth = 10;
6224 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6227 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6228 gameInfo.holdingsSize = 7;
6229 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6232 pieces = JanusArray;
6233 gameInfo.boardWidth = 10;
6234 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6235 nrCastlingRights = 6;
6236 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6237 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6238 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6239 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6240 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6241 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6244 pieces = FalconArray;
6245 gameInfo.boardWidth = 10;
6246 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6248 case VariantXiangqi:
6249 pieces = XiangqiArray;
6250 gameInfo.boardWidth = 9;
6251 gameInfo.boardHeight = 10;
6252 nrCastlingRights = 0;
6253 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6256 pieces = ShogiArray;
6257 gameInfo.boardWidth = 9;
6258 gameInfo.boardHeight = 9;
6259 gameInfo.holdingsSize = 7;
6260 nrCastlingRights = 0;
6261 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6264 pieces = ChuArray; pieceRows = 3;
6265 gameInfo.boardWidth = 12;
6266 gameInfo.boardHeight = 12;
6267 nrCastlingRights = 0;
6268 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6269 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6271 case VariantCourier:
6272 pieces = CourierArray;
6273 gameInfo.boardWidth = 12;
6274 nrCastlingRights = 0;
6275 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6277 case VariantKnightmate:
6278 pieces = KnightmateArray;
6279 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6281 case VariantSpartan:
6282 pieces = SpartanArray;
6283 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6287 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6289 case VariantChuChess:
6290 pieces = ChuChessArray;
6291 gameInfo.boardWidth = 10;
6292 gameInfo.boardHeight = 10;
6293 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6296 pieces = fairyArray;
6297 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6300 pieces = GreatArray;
6301 gameInfo.boardWidth = 10;
6302 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6303 gameInfo.holdingsSize = 8;
6307 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6308 gameInfo.holdingsSize = 8;
6309 startedFromSetupPosition = TRUE;
6311 case VariantCrazyhouse:
6312 case VariantBughouse:
6314 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6315 gameInfo.holdingsSize = 5;
6317 case VariantWildCastle:
6319 /* !!?shuffle with kings guaranteed to be on d or e file */
6320 shuffleOpenings = 1;
6322 case VariantNoCastle:
6324 nrCastlingRights = 0;
6325 /* !!?unconstrained back-rank shuffle */
6326 shuffleOpenings = 1;
6331 if(appData.NrFiles >= 0) {
6332 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6333 gameInfo.boardWidth = appData.NrFiles;
6335 if(appData.NrRanks >= 0) {
6336 gameInfo.boardHeight = appData.NrRanks;
6338 if(appData.holdingsSize >= 0) {
6339 i = appData.holdingsSize;
6340 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6341 gameInfo.holdingsSize = i;
6343 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6344 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6345 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6347 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6348 if(pawnRow < 1) pawnRow = 1;
6349 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6350 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6351 if(gameInfo.variant == VariantChu) pawnRow = 3;
6353 /* User pieceToChar list overrules defaults */
6354 if(appData.pieceToCharTable != NULL)
6355 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6357 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6359 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6360 s = (ChessSquare) 0; /* account holding counts in guard band */
6361 for( i=0; i<BOARD_HEIGHT; i++ )
6362 initialPosition[i][j] = s;
6364 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6365 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6366 initialPosition[pawnRow][j] = WhitePawn;
6367 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6368 if(gameInfo.variant == VariantXiangqi) {
6370 initialPosition[pawnRow][j] =
6371 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6372 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6373 initialPosition[2][j] = WhiteCannon;
6374 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6378 if(gameInfo.variant == VariantChu) {
6379 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6380 initialPosition[pawnRow+1][j] = WhiteCobra,
6381 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6382 for(i=1; i<pieceRows; i++) {
6383 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6384 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6387 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6388 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6389 initialPosition[0][j] = WhiteRook;
6390 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6393 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6395 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6396 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6399 initialPosition[1][j] = WhiteBishop;
6400 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6402 initialPosition[1][j] = WhiteRook;
6403 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6406 if( nrCastlingRights == -1) {
6407 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6408 /* This sets default castling rights from none to normal corners */
6409 /* Variants with other castling rights must set them themselves above */
6410 nrCastlingRights = 6;
6412 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6413 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6414 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6415 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6416 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6417 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6420 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6421 if(gameInfo.variant == VariantGreat) { // promotion commoners
6422 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6423 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6424 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6425 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6427 if( gameInfo.variant == VariantSChess ) {
6428 initialPosition[1][0] = BlackMarshall;
6429 initialPosition[2][0] = BlackAngel;
6430 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6431 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6432 initialPosition[1][1] = initialPosition[2][1] =
6433 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6435 if (appData.debugMode) {
6436 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6438 if(shuffleOpenings) {
6439 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6440 startedFromSetupPosition = TRUE;
6442 if(startedFromPositionFile) {
6443 /* [HGM] loadPos: use PositionFile for every new game */
6444 CopyBoard(initialPosition, filePosition);
6445 for(i=0; i<nrCastlingRights; i++)
6446 initialRights[i] = filePosition[CASTLING][i];
6447 startedFromSetupPosition = TRUE;
6450 CopyBoard(boards[0], initialPosition);
6452 if(oldx != gameInfo.boardWidth ||
6453 oldy != gameInfo.boardHeight ||
6454 oldv != gameInfo.variant ||
6455 oldh != gameInfo.holdingsWidth
6457 InitDrawingSizes(-2 ,0);
6459 oldv = gameInfo.variant;
6461 DrawPosition(TRUE, boards[currentMove]);
6465 SendBoard (ChessProgramState *cps, int moveNum)
6467 char message[MSG_SIZ];
6469 if (cps->useSetboard) {
6470 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6471 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6472 SendToProgram(message, cps);
6477 int i, j, left=0, right=BOARD_WIDTH;
6478 /* Kludge to set black to move, avoiding the troublesome and now
6479 * deprecated "black" command.
6481 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6482 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6484 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6486 SendToProgram("edit\n", cps);
6487 SendToProgram("#\n", cps);
6488 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6489 bp = &boards[moveNum][i][left];
6490 for (j = left; j < right; j++, bp++) {
6491 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6492 if ((int) *bp < (int) BlackPawn) {
6493 if(j == BOARD_RGHT+1)
6494 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6495 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6496 if(message[0] == '+' || message[0] == '~') {
6497 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6498 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6499 AAA + j, ONE + i - '0');
6501 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6502 message[1] = BOARD_RGHT - 1 - j + '1';
6503 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6505 SendToProgram(message, cps);
6510 SendToProgram("c\n", cps);
6511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6512 bp = &boards[moveNum][i][left];
6513 for (j = left; j < right; j++, bp++) {
6514 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6515 if (((int) *bp != (int) EmptySquare)
6516 && ((int) *bp >= (int) BlackPawn)) {
6517 if(j == BOARD_LEFT-2)
6518 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6519 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6520 AAA + j, ONE + i - '0');
6521 if(message[0] == '+' || message[0] == '~') {
6522 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6523 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6524 AAA + j, ONE + i - '0');
6526 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6527 message[1] = BOARD_RGHT - 1 - j + '1';
6528 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6530 SendToProgram(message, cps);
6535 SendToProgram(".\n", cps);
6537 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6540 char exclusionHeader[MSG_SIZ];
6541 int exCnt, excludePtr;
6542 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6543 static Exclusion excluTab[200];
6544 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6550 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6551 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6557 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6558 excludePtr = 24; exCnt = 0;
6563 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6564 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6565 char buf[2*MOVE_LEN], *p;
6566 Exclusion *e = excluTab;
6568 for(i=0; i<exCnt; i++)
6569 if(e[i].ff == fromX && e[i].fr == fromY &&
6570 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6571 if(i == exCnt) { // was not in exclude list; add it
6572 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6573 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6574 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6577 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6578 excludePtr++; e[i].mark = excludePtr++;
6579 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6582 exclusionHeader[e[i].mark] = state;
6586 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6587 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6591 if((signed char)promoChar == -1) { // kludge to indicate best move
6592 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6593 return 1; // if unparsable, abort
6595 // update exclusion map (resolving toggle by consulting existing state)
6596 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6598 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6599 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6600 excludeMap[k] |= 1<<j;
6601 else excludeMap[k] &= ~(1<<j);
6603 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6605 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6606 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6608 return (state == '+');
6612 ExcludeClick (int index)
6615 Exclusion *e = excluTab;
6616 if(index < 25) { // none, best or tail clicked
6617 if(index < 13) { // none: include all
6618 WriteMap(0); // clear map
6619 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6620 SendToBoth("include all\n"); // and inform engine
6621 } else if(index > 18) { // tail
6622 if(exclusionHeader[19] == '-') { // tail was excluded
6623 SendToBoth("include all\n");
6624 WriteMap(0); // clear map completely
6625 // now re-exclude selected moves
6626 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6627 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6628 } else { // tail was included or in mixed state
6629 SendToBoth("exclude all\n");
6630 WriteMap(0xFF); // fill map completely
6631 // now re-include selected moves
6632 j = 0; // count them
6633 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6634 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6635 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6638 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6641 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6642 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6643 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6650 DefaultPromoChoice (int white)
6653 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6654 gameInfo.variant == VariantMakruk)
6655 result = WhiteFerz; // no choice
6656 else if(gameInfo.variant == VariantASEAN)
6657 result = WhiteRook; // no choice
6658 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6659 result= WhiteKing; // in Suicide Q is the last thing we want
6660 else if(gameInfo.variant == VariantSpartan)
6661 result = white ? WhiteQueen : WhiteAngel;
6662 else result = WhiteQueen;
6663 if(!white) result = WHITE_TO_BLACK result;
6667 static int autoQueen; // [HGM] oneclick
6670 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6672 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6673 /* [HGM] add Shogi promotions */
6674 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6675 ChessSquare piece, partner;
6679 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6680 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6682 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6683 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6686 piece = boards[currentMove][fromY][fromX];
6687 if(gameInfo.variant == VariantChu) {
6688 promotionZoneSize = BOARD_HEIGHT/3;
6689 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6690 } else if(gameInfo.variant == VariantShogi) {
6691 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6692 highestPromotingPiece = (int)WhiteAlfil;
6693 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6694 promotionZoneSize = 3;
6697 // Treat Lance as Pawn when it is not representing Amazon or Lance
6698 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6699 if(piece == WhiteLance) piece = WhitePawn; else
6700 if(piece == BlackLance) piece = BlackPawn;
6703 // next weed out all moves that do not touch the promotion zone at all
6704 if((int)piece >= BlackPawn) {
6705 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6707 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6708 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6710 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6711 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6712 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6716 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6718 // weed out mandatory Shogi promotions
6719 if(gameInfo.variant == VariantShogi) {
6720 if(piece >= BlackPawn) {
6721 if(toY == 0 && piece == BlackPawn ||
6722 toY == 0 && piece == BlackQueen ||
6723 toY <= 1 && piece == BlackKnight) {
6728 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6729 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6730 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6737 // weed out obviously illegal Pawn moves
6738 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6739 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6740 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6741 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6742 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6743 // note we are not allowed to test for valid (non-)capture, due to premove
6746 // we either have a choice what to promote to, or (in Shogi) whether to promote
6747 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6748 gameInfo.variant == VariantMakruk) {
6749 ChessSquare p=BlackFerz; // no choice
6750 while(p < EmptySquare) { //but make sure we use piece that exists
6751 *promoChoice = PieceToChar(p++);
6752 if(*promoChoice != '.') break;
6754 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6756 // no sense asking what we must promote to if it is going to explode...
6757 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6758 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6761 // give caller the default choice even if we will not make it
6762 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6763 partner = piece; // pieces can promote if the pieceToCharTable says so
6764 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6765 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6766 if( sweepSelect && gameInfo.variant != VariantGreat
6767 && gameInfo.variant != VariantGrand
6768 && gameInfo.variant != VariantSuper) return FALSE;
6769 if(autoQueen) return FALSE; // predetermined
6771 // suppress promotion popup on illegal moves that are not premoves
6772 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6773 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6774 if(appData.testLegality && !premove) {
6775 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6776 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6777 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6778 if(moveType != WhitePromotion && moveType != BlackPromotion)
6786 InPalace (int row, int column)
6787 { /* [HGM] for Xiangqi */
6788 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6789 column < (BOARD_WIDTH + 4)/2 &&
6790 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6795 PieceForSquare (int x, int y)
6797 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6800 return boards[currentMove][y][x];
6804 OKToStartUserMove (int x, int y)
6806 ChessSquare from_piece;
6809 if (matchMode) return FALSE;
6810 if (gameMode == EditPosition) return TRUE;
6812 if (x >= 0 && y >= 0)
6813 from_piece = boards[currentMove][y][x];
6815 from_piece = EmptySquare;
6817 if (from_piece == EmptySquare) return FALSE;
6819 white_piece = (int)from_piece >= (int)WhitePawn &&
6820 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6824 case TwoMachinesPlay:
6832 case MachinePlaysWhite:
6833 case IcsPlayingBlack:
6834 if (appData.zippyPlay) return FALSE;
6836 DisplayMoveError(_("You are playing Black"));
6841 case MachinePlaysBlack:
6842 case IcsPlayingWhite:
6843 if (appData.zippyPlay) return FALSE;
6845 DisplayMoveError(_("You are playing White"));
6850 case PlayFromGameFile:
6851 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6853 if (!white_piece && WhiteOnMove(currentMove)) {
6854 DisplayMoveError(_("It is White's turn"));
6857 if (white_piece && !WhiteOnMove(currentMove)) {
6858 DisplayMoveError(_("It is Black's turn"));
6861 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6862 /* Editing correspondence game history */
6863 /* Could disallow this or prompt for confirmation */
6868 case BeginningOfGame:
6869 if (appData.icsActive) return FALSE;
6870 if (!appData.noChessProgram) {
6872 DisplayMoveError(_("You are playing White"));
6879 if (!white_piece && WhiteOnMove(currentMove)) {
6880 DisplayMoveError(_("It is White's turn"));
6883 if (white_piece && !WhiteOnMove(currentMove)) {
6884 DisplayMoveError(_("It is Black's turn"));
6893 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6894 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6895 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6896 && gameMode != AnalyzeFile && gameMode != Training) {
6897 DisplayMoveError(_("Displayed position is not current"));
6904 OnlyMove (int *x, int *y, Boolean captures)
6906 DisambiguateClosure cl;
6907 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6909 case MachinePlaysBlack:
6910 case IcsPlayingWhite:
6911 case BeginningOfGame:
6912 if(!WhiteOnMove(currentMove)) return FALSE;
6914 case MachinePlaysWhite:
6915 case IcsPlayingBlack:
6916 if(WhiteOnMove(currentMove)) return FALSE;
6923 cl.pieceIn = EmptySquare;
6928 cl.promoCharIn = NULLCHAR;
6929 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6930 if( cl.kind == NormalMove ||
6931 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6932 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6933 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6940 if(cl.kind != ImpossibleMove) return FALSE;
6941 cl.pieceIn = EmptySquare;
6946 cl.promoCharIn = NULLCHAR;
6947 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6948 if( cl.kind == NormalMove ||
6949 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6950 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6951 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6956 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6962 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6963 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6964 int lastLoadGameUseList = FALSE;
6965 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6966 ChessMove lastLoadGameStart = EndOfFile;
6968 Boolean addToBookFlag;
6971 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6975 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6977 /* Check if the user is playing in turn. This is complicated because we
6978 let the user "pick up" a piece before it is his turn. So the piece he
6979 tried to pick up may have been captured by the time he puts it down!
6980 Therefore we use the color the user is supposed to be playing in this
6981 test, not the color of the piece that is currently on the starting
6982 square---except in EditGame mode, where the user is playing both
6983 sides; fortunately there the capture race can't happen. (It can
6984 now happen in IcsExamining mode, but that's just too bad. The user
6985 will get a somewhat confusing message in that case.)
6990 case TwoMachinesPlay:
6994 /* We switched into a game mode where moves are not accepted,
6995 perhaps while the mouse button was down. */
6998 case MachinePlaysWhite:
6999 /* User is moving for Black */
7000 if (WhiteOnMove(currentMove)) {
7001 DisplayMoveError(_("It is White's turn"));
7006 case MachinePlaysBlack:
7007 /* User is moving for White */
7008 if (!WhiteOnMove(currentMove)) {
7009 DisplayMoveError(_("It is Black's turn"));
7014 case PlayFromGameFile:
7015 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7018 case BeginningOfGame:
7021 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7022 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7023 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7024 /* User is moving for Black */
7025 if (WhiteOnMove(currentMove)) {
7026 DisplayMoveError(_("It is White's turn"));
7030 /* User is moving for White */
7031 if (!WhiteOnMove(currentMove)) {
7032 DisplayMoveError(_("It is Black's turn"));
7038 case IcsPlayingBlack:
7039 /* User is moving for Black */
7040 if (WhiteOnMove(currentMove)) {
7041 if (!appData.premove) {
7042 DisplayMoveError(_("It is White's turn"));
7043 } else if (toX >= 0 && toY >= 0) {
7046 premoveFromX = fromX;
7047 premoveFromY = fromY;
7048 premovePromoChar = promoChar;
7050 if (appData.debugMode)
7051 fprintf(debugFP, "Got premove: fromX %d,"
7052 "fromY %d, toX %d, toY %d\n",
7053 fromX, fromY, toX, toY);
7055 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7060 case IcsPlayingWhite:
7061 /* User is moving for White */
7062 if (!WhiteOnMove(currentMove)) {
7063 if (!appData.premove) {
7064 DisplayMoveError(_("It is Black's turn"));
7065 } else if (toX >= 0 && toY >= 0) {
7068 premoveFromX = fromX;
7069 premoveFromY = fromY;
7070 premovePromoChar = promoChar;
7072 if (appData.debugMode)
7073 fprintf(debugFP, "Got premove: fromX %d,"
7074 "fromY %d, toX %d, toY %d\n",
7075 fromX, fromY, toX, toY);
7077 DrawPosition(TRUE, boards[currentMove]);
7086 /* EditPosition, empty square, or different color piece;
7087 click-click move is possible */
7088 if (toX == -2 || toY == -2) {
7089 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7090 DrawPosition(FALSE, boards[currentMove]);
7092 } else if (toX >= 0 && toY >= 0) {
7093 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7094 ChessSquare p = boards[0][rf][ff];
7095 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7096 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7098 boards[0][toY][toX] = boards[0][fromY][fromX];
7099 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7100 if(boards[0][fromY][0] != EmptySquare) {
7101 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7102 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7105 if(fromX == BOARD_RGHT+1) {
7106 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7107 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7108 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7111 boards[0][fromY][fromX] = gatingPiece;
7113 DrawPosition(FALSE, boards[currentMove]);
7119 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7120 pup = boards[currentMove][toY][toX];
7122 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7123 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7124 if( pup != EmptySquare ) return;
7125 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7126 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7127 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7128 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7129 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7130 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7131 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7135 /* [HGM] always test for legality, to get promotion info */
7136 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7137 fromY, fromX, toY, toX, promoChar);
7139 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7141 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7143 /* [HGM] but possibly ignore an IllegalMove result */
7144 if (appData.testLegality) {
7145 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7146 DisplayMoveError(_("Illegal move"));
7151 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7152 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7153 ClearPremoveHighlights(); // was included
7154 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7158 if(addToBookFlag) { // adding moves to book
7159 char buf[MSG_SIZ], move[MSG_SIZ];
7160 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7161 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7162 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7163 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7165 addToBookFlag = FALSE;
7170 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7173 /* Common tail of UserMoveEvent and DropMenuEvent */
7175 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7179 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7180 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7181 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7182 if(WhiteOnMove(currentMove)) {
7183 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7185 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7189 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7190 move type in caller when we know the move is a legal promotion */
7191 if(moveType == NormalMove && promoChar)
7192 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7194 /* [HGM] <popupFix> The following if has been moved here from
7195 UserMoveEvent(). Because it seemed to belong here (why not allow
7196 piece drops in training games?), and because it can only be
7197 performed after it is known to what we promote. */
7198 if (gameMode == Training) {
7199 /* compare the move played on the board to the next move in the
7200 * game. If they match, display the move and the opponent's response.
7201 * If they don't match, display an error message.
7205 CopyBoard(testBoard, boards[currentMove]);
7206 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7208 if (CompareBoards(testBoard, boards[currentMove+1])) {
7209 ForwardInner(currentMove+1);
7211 /* Autoplay the opponent's response.
7212 * if appData.animate was TRUE when Training mode was entered,
7213 * the response will be animated.
7215 saveAnimate = appData.animate;
7216 appData.animate = animateTraining;
7217 ForwardInner(currentMove+1);
7218 appData.animate = saveAnimate;
7220 /* check for the end of the game */
7221 if (currentMove >= forwardMostMove) {
7222 gameMode = PlayFromGameFile;
7224 SetTrainingModeOff();
7225 DisplayInformation(_("End of game"));
7228 DisplayError(_("Incorrect move"), 0);
7233 /* Ok, now we know that the move is good, so we can kill
7234 the previous line in Analysis Mode */
7235 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7236 && currentMove < forwardMostMove) {
7237 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7238 else forwardMostMove = currentMove;
7243 /* If we need the chess program but it's dead, restart it */
7244 ResurrectChessProgram();
7246 /* A user move restarts a paused game*/
7250 thinkOutput[0] = NULLCHAR;
7252 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7254 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7255 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7259 if (gameMode == BeginningOfGame) {
7260 if (appData.noChessProgram) {
7261 gameMode = EditGame;
7265 gameMode = MachinePlaysBlack;
7268 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7270 if (first.sendName) {
7271 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7272 SendToProgram(buf, &first);
7279 /* Relay move to ICS or chess engine */
7280 if (appData.icsActive) {
7281 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7282 gameMode == IcsExamining) {
7283 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7284 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7286 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7288 // also send plain move, in case ICS does not understand atomic claims
7289 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7293 if (first.sendTime && (gameMode == BeginningOfGame ||
7294 gameMode == MachinePlaysWhite ||
7295 gameMode == MachinePlaysBlack)) {
7296 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7298 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7299 // [HGM] book: if program might be playing, let it use book
7300 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7301 first.maybeThinking = TRUE;
7302 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7303 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7304 SendBoard(&first, currentMove+1);
7305 if(second.analyzing) {
7306 if(!second.useSetboard) SendToProgram("undo\n", &second);
7307 SendBoard(&second, currentMove+1);
7310 SendMoveToProgram(forwardMostMove-1, &first);
7311 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7313 if (currentMove == cmailOldMove + 1) {
7314 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7318 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7322 if(appData.testLegality)
7323 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7329 if (WhiteOnMove(currentMove)) {
7330 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7332 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7336 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7341 case MachinePlaysBlack:
7342 case MachinePlaysWhite:
7343 /* disable certain menu options while machine is thinking */
7344 SetMachineThinkingEnables();
7351 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7352 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7354 if(bookHit) { // [HGM] book: simulate book reply
7355 static char bookMove[MSG_SIZ]; // a bit generous?
7357 programStats.nodes = programStats.depth = programStats.time =
7358 programStats.score = programStats.got_only_move = 0;
7359 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7361 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7362 strcat(bookMove, bookHit);
7363 HandleMachineMove(bookMove, &first);
7369 MarkByFEN(char *fen)
7372 if(!appData.markers || !appData.highlightDragging) return;
7373 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7374 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7378 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7379 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7380 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7381 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7382 if(*fen == 'T') marker[r][f++] = 0; else
7383 if(*fen == 'Y') marker[r][f++] = 1; else
7384 if(*fen == 'G') marker[r][f++] = 3; else
7385 if(*fen == 'B') marker[r][f++] = 4; else
7386 if(*fen == 'C') marker[r][f++] = 5; else
7387 if(*fen == 'M') marker[r][f++] = 6; else
7388 if(*fen == 'W') marker[r][f++] = 7; else
7389 if(*fen == 'D') marker[r][f++] = 8; else
7390 if(*fen == 'R') marker[r][f++] = 2; else {
7391 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7394 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7398 DrawPosition(TRUE, NULL);
7401 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7404 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7406 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7407 Markers *m = (Markers *) closure;
7408 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7409 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7410 || kind == WhiteCapturesEnPassant
7411 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7412 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7415 static int hoverSavedValid;
7418 MarkTargetSquares (int clear)
7421 if(clear) { // no reason to ever suppress clearing
7422 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7423 hoverSavedValid = 0;
7424 if(!sum) return; // nothing was cleared,no redraw needed
7427 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7428 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7429 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7430 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7431 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7433 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7436 DrawPosition(FALSE, NULL);
7440 Explode (Board board, int fromX, int fromY, int toX, int toY)
7442 if(gameInfo.variant == VariantAtomic &&
7443 (board[toY][toX] != EmptySquare || // capture?
7444 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7445 board[fromY][fromX] == BlackPawn )
7447 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7453 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7456 CanPromote (ChessSquare piece, int y)
7458 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7459 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7460 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7461 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7462 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7463 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7464 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7465 return (piece == BlackPawn && y <= zone ||
7466 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7467 piece == BlackLance && y <= zone ||
7468 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7472 HoverEvent (int xPix, int yPix, int x, int y)
7474 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7476 if(!first.highlight) return;
7477 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7478 if(x == oldX && y == oldY) return; // only do something if we enter new square
7479 oldFromX = fromX; oldFromY = fromY;
7480 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7481 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7482 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7483 hoverSavedValid = 1;
7484 } else if(oldX != x || oldY != y) {
7485 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7486 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7487 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7488 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7489 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7491 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7492 SendToProgram(buf, &first);
7495 // SetHighlights(fromX, fromY, x, y);
7499 void ReportClick(char *action, int x, int y)
7501 char buf[MSG_SIZ]; // Inform engine of what user does
7503 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7504 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7505 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7506 if(!first.highlight || gameMode == EditPosition) return;
7507 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7508 SendToProgram(buf, &first);
7511 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7514 LeftClick (ClickType clickType, int xPix, int yPix)
7517 Boolean saveAnimate;
7518 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7519 char promoChoice = NULLCHAR;
7521 static TimeMark lastClickTime, prevClickTime;
7523 x = EventToSquare(xPix, BOARD_WIDTH);
7524 y = EventToSquare(yPix, BOARD_HEIGHT);
7525 if (!flipView && y >= 0) {
7526 y = BOARD_HEIGHT - 1 - y;
7528 if (flipView && x >= 0) {
7529 x = BOARD_WIDTH - 1 - x;
7532 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7534 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7539 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7541 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7543 if (clickType == Press) ErrorPopDown();
7544 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7546 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7547 defaultPromoChoice = promoSweep;
7548 promoSweep = EmptySquare; // terminate sweep
7549 promoDefaultAltered = TRUE;
7550 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7553 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7554 if(clickType == Release) return; // ignore upclick of click-click destination
7555 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7556 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7557 if(gameInfo.holdingsWidth &&
7558 (WhiteOnMove(currentMove)
7559 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7560 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7561 // click in right holdings, for determining promotion piece
7562 ChessSquare p = boards[currentMove][y][x];
7563 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7564 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7565 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7566 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7571 DrawPosition(FALSE, boards[currentMove]);
7575 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7576 if(clickType == Press
7577 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7578 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7579 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7582 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7583 // could be static click on premove from-square: abort premove
7585 ClearPremoveHighlights();
7588 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7589 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7591 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7592 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7593 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7594 defaultPromoChoice = DefaultPromoChoice(side);
7597 autoQueen = appData.alwaysPromoteToQueen;
7601 gatingPiece = EmptySquare;
7602 if (clickType != Press) {
7603 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7604 DragPieceEnd(xPix, yPix); dragging = 0;
7605 DrawPosition(FALSE, NULL);
7609 doubleClick = FALSE;
7610 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7611 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7613 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7614 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7615 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7616 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7618 if (OKToStartUserMove(fromX, fromY)) {
7620 ReportClick("lift", x, y);
7621 MarkTargetSquares(0);
7622 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7623 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7624 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7625 promoSweep = defaultPromoChoice;
7626 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7627 Sweep(0); // Pawn that is going to promote: preview promotion piece
7628 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7630 if (appData.highlightDragging) {
7631 SetHighlights(fromX, fromY, -1, -1);
7635 } else fromX = fromY = -1;
7641 if (clickType == Press && gameMode != EditPosition) {
7646 // ignore off-board to clicks
7647 if(y < 0 || x < 0) return;
7649 /* Check if clicking again on the same color piece */
7650 fromP = boards[currentMove][fromY][fromX];
7651 toP = boards[currentMove][y][x];
7652 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7653 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7654 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7655 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7656 WhitePawn <= toP && toP <= WhiteKing &&
7657 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7658 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7659 (BlackPawn <= fromP && fromP <= BlackKing &&
7660 BlackPawn <= toP && toP <= BlackKing &&
7661 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7662 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7663 /* Clicked again on same color piece -- changed his mind */
7664 second = (x == fromX && y == fromY);
7666 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7667 second = FALSE; // first double-click rather than scond click
7668 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7670 promoDefaultAltered = FALSE;
7671 MarkTargetSquares(1);
7672 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7673 if (appData.highlightDragging) {
7674 SetHighlights(x, y, -1, -1);
7678 if (OKToStartUserMove(x, y)) {
7679 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7680 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7681 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7682 gatingPiece = boards[currentMove][fromY][fromX];
7683 else gatingPiece = doubleClick ? fromP : EmptySquare;
7685 fromY = y; dragging = 1;
7686 if(!second) ReportClick("lift", x, y);
7687 MarkTargetSquares(0);
7688 DragPieceBegin(xPix, yPix, FALSE);
7689 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7690 promoSweep = defaultPromoChoice;
7691 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7692 Sweep(0); // Pawn that is going to promote: preview promotion piece
7696 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7699 // ignore clicks on holdings
7700 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7703 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7704 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7705 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7709 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7710 DragPieceEnd(xPix, yPix); dragging = 0;
7712 // a deferred attempt to click-click move an empty square on top of a piece
7713 boards[currentMove][y][x] = EmptySquare;
7715 DrawPosition(FALSE, boards[currentMove]);
7716 fromX = fromY = -1; clearFlag = 0;
7719 if (appData.animateDragging) {
7720 /* Undo animation damage if any */
7721 DrawPosition(FALSE, NULL);
7724 /* Second up/down in same square; just abort move */
7727 gatingPiece = EmptySquare;
7728 MarkTargetSquares(1);
7731 ClearPremoveHighlights();
7733 /* First upclick in same square; start click-click mode */
7734 SetHighlights(x, y, -1, -1);
7741 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7742 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7743 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7744 DisplayMessage(_("only marked squares are legal"),"");
7745 DrawPosition(TRUE, NULL);
7746 return; // ignore to-click
7749 /* we now have a different from- and (possibly off-board) to-square */
7750 /* Completed move */
7751 if(!sweepSelecting) {
7756 piece = boards[currentMove][fromY][fromX];
7758 saveAnimate = appData.animate;
7759 if (clickType == Press) {
7760 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7761 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7762 // must be Edit Position mode with empty-square selected
7763 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7764 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7767 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7770 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7771 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7773 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7774 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7775 if(appData.sweepSelect) {
7776 promoSweep = defaultPromoChoice;
7777 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7778 selectFlag = 0; lastX = xPix; lastY = yPix;
7779 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7780 Sweep(0); // Pawn that is going to promote: preview promotion piece
7782 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7783 MarkTargetSquares(1);
7785 return; // promo popup appears on up-click
7787 /* Finish clickclick move */
7788 if (appData.animate || appData.highlightLastMove) {
7789 SetHighlights(fromX, fromY, toX, toY);
7793 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7794 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7796 if (appData.animate || appData.highlightLastMove) {
7797 SetHighlights(fromX, fromY, toX, toY);
7803 // [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
7804 /* Finish drag move */
7805 if (appData.highlightLastMove) {
7806 SetHighlights(fromX, fromY, toX, toY);
7811 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7812 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7813 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7814 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7815 dragging *= 2; // flag button-less dragging if we are dragging
7816 MarkTargetSquares(1);
7817 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7819 kill2X = killX; kill2Y = killY;
7820 killX = x; killY = y; //remeber this square as intermediate
7821 ReportClick("put", x, y); // and inform engine
7822 ReportClick("lift", x, y);
7823 MarkTargetSquares(0);
7827 DragPieceEnd(xPix, yPix); dragging = 0;
7828 /* Don't animate move and drag both */
7829 appData.animate = FALSE;
7832 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7833 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7834 ChessSquare piece = boards[currentMove][fromY][fromX];
7835 if(gameMode == EditPosition && piece != EmptySquare &&
7836 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7839 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7840 n = PieceToNumber(piece - (int)BlackPawn);
7841 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7842 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7843 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7845 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7846 n = PieceToNumber(piece);
7847 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7848 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7849 boards[currentMove][n][BOARD_WIDTH-2]++;
7851 boards[currentMove][fromY][fromX] = EmptySquare;
7855 MarkTargetSquares(1);
7856 DrawPosition(TRUE, boards[currentMove]);
7860 // off-board moves should not be highlighted
7861 if(x < 0 || y < 0) ClearHighlights();
7862 else ReportClick("put", x, y);
7864 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7866 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7868 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7869 SetHighlights(fromX, fromY, toX, toY);
7870 MarkTargetSquares(1);
7871 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7872 // [HGM] super: promotion to captured piece selected from holdings
7873 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7874 promotionChoice = TRUE;
7875 // kludge follows to temporarily execute move on display, without promoting yet
7876 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7877 boards[currentMove][toY][toX] = p;
7878 DrawPosition(FALSE, boards[currentMove]);
7879 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7880 boards[currentMove][toY][toX] = q;
7881 DisplayMessage("Click in holdings to choose piece", "");
7884 PromotionPopUp(promoChoice);
7886 int oldMove = currentMove;
7887 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7888 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7889 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7890 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7891 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7892 DrawPosition(TRUE, boards[currentMove]);
7893 MarkTargetSquares(1);
7896 appData.animate = saveAnimate;
7897 if (appData.animate || appData.animateDragging) {
7898 /* Undo animation damage if needed */
7899 DrawPosition(FALSE, NULL);
7904 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7905 { // front-end-free part taken out of PieceMenuPopup
7906 int whichMenu; int xSqr, ySqr;
7908 if(seekGraphUp) { // [HGM] seekgraph
7909 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7910 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7914 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7915 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7916 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7917 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7918 if(action == Press) {
7919 originalFlip = flipView;
7920 flipView = !flipView; // temporarily flip board to see game from partners perspective
7921 DrawPosition(TRUE, partnerBoard);
7922 DisplayMessage(partnerStatus, "");
7924 } else if(action == Release) {
7925 flipView = originalFlip;
7926 DrawPosition(TRUE, boards[currentMove]);
7932 xSqr = EventToSquare(x, BOARD_WIDTH);
7933 ySqr = EventToSquare(y, BOARD_HEIGHT);
7934 if (action == Release) {
7935 if(pieceSweep != EmptySquare) {
7936 EditPositionMenuEvent(pieceSweep, toX, toY);
7937 pieceSweep = EmptySquare;
7938 } else UnLoadPV(); // [HGM] pv
7940 if (action != Press) return -2; // return code to be ignored
7943 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7945 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7946 if (xSqr < 0 || ySqr < 0) return -1;
7947 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7948 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7949 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7950 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7954 if(!appData.icsEngineAnalyze) return -1;
7955 case IcsPlayingWhite:
7956 case IcsPlayingBlack:
7957 if(!appData.zippyPlay) goto noZip;
7960 case MachinePlaysWhite:
7961 case MachinePlaysBlack:
7962 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7963 if (!appData.dropMenu) {
7965 return 2; // flag front-end to grab mouse events
7967 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7968 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7971 if (xSqr < 0 || ySqr < 0) return -1;
7972 if (!appData.dropMenu || appData.testLegality &&
7973 gameInfo.variant != VariantBughouse &&
7974 gameInfo.variant != VariantCrazyhouse) return -1;
7975 whichMenu = 1; // drop menu
7981 if (((*fromX = xSqr) < 0) ||
7982 ((*fromY = ySqr) < 0)) {
7983 *fromX = *fromY = -1;
7987 *fromX = BOARD_WIDTH - 1 - *fromX;
7989 *fromY = BOARD_HEIGHT - 1 - *fromY;
7995 Wheel (int dir, int x, int y)
7997 if(gameMode == EditPosition) {
7998 int xSqr = EventToSquare(x, BOARD_WIDTH);
7999 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8000 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8001 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8003 boards[currentMove][ySqr][xSqr] += dir;
8004 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8005 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8006 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8007 DrawPosition(FALSE, boards[currentMove]);
8008 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8012 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8014 // char * hint = lastHint;
8015 FrontEndProgramStats stats;
8017 stats.which = cps == &first ? 0 : 1;
8018 stats.depth = cpstats->depth;
8019 stats.nodes = cpstats->nodes;
8020 stats.score = cpstats->score;
8021 stats.time = cpstats->time;
8022 stats.pv = cpstats->movelist;
8023 stats.hint = lastHint;
8024 stats.an_move_index = 0;
8025 stats.an_move_count = 0;
8027 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8028 stats.hint = cpstats->move_name;
8029 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8030 stats.an_move_count = cpstats->nr_moves;
8033 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
8035 SetProgramStats( &stats );
8039 ClearEngineOutputPane (int which)
8041 static FrontEndProgramStats dummyStats;
8042 dummyStats.which = which;
8043 dummyStats.pv = "#";
8044 SetProgramStats( &dummyStats );
8047 #define MAXPLAYERS 500
8050 TourneyStandings (int display)
8052 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8053 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8054 char result, *p, *names[MAXPLAYERS];
8056 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8057 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8058 names[0] = p = strdup(appData.participants);
8059 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8061 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8063 while(result = appData.results[nr]) {
8064 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8065 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8066 wScore = bScore = 0;
8068 case '+': wScore = 2; break;
8069 case '-': bScore = 2; break;
8070 case '=': wScore = bScore = 1; break;
8072 case '*': return strdup("busy"); // tourney not finished
8080 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8081 for(w=0; w<nPlayers; w++) {
8083 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8084 ranking[w] = b; points[w] = bScore; score[b] = -2;
8086 p = malloc(nPlayers*34+1);
8087 for(w=0; w<nPlayers && w<display; w++)
8088 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8094 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8095 { // count all piece types
8097 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8098 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8099 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8102 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8103 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8104 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8105 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8106 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8107 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8112 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8114 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8115 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8117 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8118 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8119 if(myPawns == 2 && nMine == 3) // KPP
8120 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8121 if(myPawns == 1 && nMine == 2) // KP
8122 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8123 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8124 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8125 if(myPawns) return FALSE;
8126 if(pCnt[WhiteRook+side])
8127 return pCnt[BlackRook-side] ||
8128 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8129 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8130 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8131 if(pCnt[WhiteCannon+side]) {
8132 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8133 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8135 if(pCnt[WhiteKnight+side])
8136 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8141 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8143 VariantClass v = gameInfo.variant;
8145 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8146 if(v == VariantShatranj) return TRUE; // always winnable through baring
8147 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8148 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8150 if(v == VariantXiangqi) {
8151 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8153 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8154 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8155 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8156 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8157 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8158 if(stale) // we have at least one last-rank P plus perhaps C
8159 return majors // KPKX
8160 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8162 return pCnt[WhiteFerz+side] // KCAK
8163 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8164 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8165 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8167 } else if(v == VariantKnightmate) {
8168 if(nMine == 1) return FALSE;
8169 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8170 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8171 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8173 if(nMine == 1) return FALSE; // bare King
8174 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
8175 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8176 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8177 // by now we have King + 1 piece (or multiple Bishops on the same color)
8178 if(pCnt[WhiteKnight+side])
8179 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8180 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8181 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8183 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8184 if(pCnt[WhiteAlfil+side])
8185 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8186 if(pCnt[WhiteWazir+side])
8187 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8194 CompareWithRights (Board b1, Board b2)
8197 if(!CompareBoards(b1, b2)) return FALSE;
8198 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8199 /* compare castling rights */
8200 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8201 rights++; /* King lost rights, while rook still had them */
8202 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8203 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8204 rights++; /* but at least one rook lost them */
8206 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8208 if( b1[CASTLING][5] != NoRights ) {
8209 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8216 Adjudicate (ChessProgramState *cps)
8217 { // [HGM] some adjudications useful with buggy engines
8218 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8219 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8220 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8221 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8222 int k, drop, count = 0; static int bare = 1;
8223 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8224 Boolean canAdjudicate = !appData.icsActive;
8226 // most tests only when we understand the game, i.e. legality-checking on
8227 if( appData.testLegality )
8228 { /* [HGM] Some more adjudications for obstinate engines */
8229 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8230 static int moveCount = 6;
8232 char *reason = NULL;
8234 /* Count what is on board. */
8235 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8237 /* Some material-based adjudications that have to be made before stalemate test */
8238 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8239 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8240 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8241 if(canAdjudicate && appData.checkMates) {
8243 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8244 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8245 "Xboard adjudication: King destroyed", GE_XBOARD );
8250 /* Bare King in Shatranj (loses) or Losers (wins) */
8251 if( nrW == 1 || nrB == 1) {
8252 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8253 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8254 if(canAdjudicate && appData.checkMates) {
8256 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8257 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8258 "Xboard adjudication: Bare king", GE_XBOARD );
8262 if( gameInfo.variant == VariantShatranj && --bare < 0)
8264 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8265 if(canAdjudicate && appData.checkMates) {
8266 /* but only adjudicate if adjudication enabled */
8268 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8269 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8270 "Xboard adjudication: Bare king", GE_XBOARD );
8277 // don't wait for engine to announce game end if we can judge ourselves
8278 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8280 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8281 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8282 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8283 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8286 reason = "Xboard adjudication: 3rd check";
8287 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8298 reason = "Xboard adjudication: Stalemate";
8299 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8300 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8301 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8302 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8303 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8304 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8305 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8306 EP_CHECKMATE : EP_WINS);
8307 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8308 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8312 reason = "Xboard adjudication: Checkmate";
8313 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8314 if(gameInfo.variant == VariantShogi) {
8315 if(forwardMostMove > backwardMostMove
8316 && moveList[forwardMostMove-1][1] == '@'
8317 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8318 reason = "XBoard adjudication: pawn-drop mate";
8319 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8325 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8327 result = GameIsDrawn; break;
8329 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8331 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8335 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8337 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8338 GameEnds( result, reason, GE_XBOARD );
8342 /* Next absolutely insufficient mating material. */
8343 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8344 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8345 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8347 /* always flag draws, for judging claims */
8348 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8350 if(canAdjudicate && appData.materialDraws) {
8351 /* but only adjudicate them if adjudication enabled */
8352 if(engineOpponent) {
8353 SendToProgram("force\n", engineOpponent); // suppress reply
8354 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8356 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8361 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8362 if(gameInfo.variant == VariantXiangqi ?
8363 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8365 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8366 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8367 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8368 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8370 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8371 { /* if the first 3 moves do not show a tactical win, declare draw */
8372 if(engineOpponent) {
8373 SendToProgram("force\n", engineOpponent); // suppress reply
8374 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8376 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8379 } else moveCount = 6;
8382 // Repetition draws and 50-move rule can be applied independently of legality testing
8384 /* Check for rep-draws */
8386 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8387 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8388 for(k = forwardMostMove-2;
8389 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8390 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8391 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8394 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8395 /* compare castling rights */
8396 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8397 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8398 rights++; /* King lost rights, while rook still had them */
8399 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8400 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8401 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8402 rights++; /* but at least one rook lost them */
8404 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8405 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8407 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8408 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8409 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8412 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8413 && appData.drawRepeats > 1) {
8414 /* adjudicate after user-specified nr of repeats */
8415 int result = GameIsDrawn;
8416 char *details = "XBoard adjudication: repetition draw";
8417 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8418 // [HGM] xiangqi: check for forbidden perpetuals
8419 int m, ourPerpetual = 1, hisPerpetual = 1;
8420 for(m=forwardMostMove; m>k; m-=2) {
8421 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8422 ourPerpetual = 0; // the current mover did not always check
8423 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8424 hisPerpetual = 0; // the opponent did not always check
8426 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8427 ourPerpetual, hisPerpetual);
8428 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8429 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8430 details = "Xboard adjudication: perpetual checking";
8432 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8433 break; // (or we would have caught him before). Abort repetition-checking loop.
8435 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8436 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8438 details = "Xboard adjudication: repetition";
8440 } else // it must be XQ
8441 // Now check for perpetual chases
8442 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8443 hisPerpetual = PerpetualChase(k, forwardMostMove);
8444 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8445 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8446 static char resdet[MSG_SIZ];
8447 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8449 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8451 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8452 break; // Abort repetition-checking loop.
8454 // if neither of us is checking or chasing all the time, or both are, it is draw
8456 if(engineOpponent) {
8457 SendToProgram("force\n", engineOpponent); // suppress reply
8458 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8460 GameEnds( result, details, GE_XBOARD );
8463 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8464 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8468 /* Now we test for 50-move draws. Determine ply count */
8469 count = forwardMostMove;
8470 /* look for last irreversble move */
8471 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8473 /* if we hit starting position, add initial plies */
8474 if( count == backwardMostMove )
8475 count -= initialRulePlies;
8476 count = forwardMostMove - count;
8477 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8478 // adjust reversible move counter for checks in Xiangqi
8479 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8480 if(i < backwardMostMove) i = backwardMostMove;
8481 while(i <= forwardMostMove) {
8482 lastCheck = inCheck; // check evasion does not count
8483 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8484 if(inCheck || lastCheck) count--; // check does not count
8489 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8490 /* this is used to judge if draw claims are legal */
8491 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8492 if(engineOpponent) {
8493 SendToProgram("force\n", engineOpponent); // suppress reply
8494 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8496 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8500 /* if draw offer is pending, treat it as a draw claim
8501 * when draw condition present, to allow engines a way to
8502 * claim draws before making their move to avoid a race
8503 * condition occurring after their move
8505 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8507 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8508 p = "Draw claim: 50-move rule";
8509 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8510 p = "Draw claim: 3-fold repetition";
8511 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8512 p = "Draw claim: insufficient mating material";
8513 if( p != NULL && canAdjudicate) {
8514 if(engineOpponent) {
8515 SendToProgram("force\n", engineOpponent); // suppress reply
8516 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8518 GameEnds( GameIsDrawn, p, GE_XBOARD );
8523 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8524 if(engineOpponent) {
8525 SendToProgram("force\n", engineOpponent); // suppress reply
8526 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8528 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8534 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8535 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8536 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8541 int pieces[10], squares[10], cnt=0, r, f, res;
8543 static PPROBE_EGBB probeBB;
8544 if(!appData.testLegality) return 10;
8545 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8546 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8547 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8548 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8549 ChessSquare piece = boards[forwardMostMove][r][f];
8550 int black = (piece >= BlackPawn);
8551 int type = piece - black*BlackPawn;
8552 if(piece == EmptySquare) continue;
8553 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8554 if(type == WhiteKing) type = WhiteQueen + 1;
8555 type = egbbCode[type];
8556 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8557 pieces[cnt] = type + black*6;
8558 if(++cnt > 5) return 11;
8560 pieces[cnt] = squares[cnt] = 0;
8562 if(loaded == 2) return 13; // loading failed before
8564 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8567 loaded = 2; // prepare for failure
8568 if(!path) return 13; // no egbb installed
8569 strncpy(buf, path + 8, MSG_SIZ);
8570 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8571 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8572 lib = LoadLibrary(buf);
8573 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8574 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8575 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8576 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8577 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8578 loaded = 1; // success!
8580 res = probeBB(forwardMostMove & 1, pieces, squares);
8581 return res > 0 ? 1 : res < 0 ? -1 : 0;
8585 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8586 { // [HGM] book: this routine intercepts moves to simulate book replies
8587 char *bookHit = NULL;
8589 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8591 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8592 SendToProgram(buf, cps);
8594 //first determine if the incoming move brings opponent into his book
8595 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8596 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8597 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8598 if(bookHit != NULL && !cps->bookSuspend) {
8599 // make sure opponent is not going to reply after receiving move to book position
8600 SendToProgram("force\n", cps);
8601 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8603 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8604 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8605 // now arrange restart after book miss
8607 // after a book hit we never send 'go', and the code after the call to this routine
8608 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8609 char buf[MSG_SIZ], *move = bookHit;
8611 int fromX, fromY, toX, toY;
8615 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8616 &fromX, &fromY, &toX, &toY, &promoChar)) {
8617 (void) CoordsToAlgebraic(boards[forwardMostMove],
8618 PosFlags(forwardMostMove),
8619 fromY, fromX, toY, toX, promoChar, move);
8621 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8625 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8626 SendToProgram(buf, cps);
8627 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8628 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8629 SendToProgram("go\n", cps);
8630 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8631 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8632 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8633 SendToProgram("go\n", cps);
8634 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8636 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8640 LoadError (char *errmess, ChessProgramState *cps)
8641 { // unloads engine and switches back to -ncp mode if it was first
8642 if(cps->initDone) return FALSE;
8643 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8644 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8647 appData.noChessProgram = TRUE;
8648 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8649 gameMode = BeginningOfGame; ModeHighlight();
8652 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8653 DisplayMessage("", ""); // erase waiting message
8654 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8659 ChessProgramState *savedState;
8661 DeferredBookMove (void)
8663 if(savedState->lastPing != savedState->lastPong)
8664 ScheduleDelayedEvent(DeferredBookMove, 10);
8666 HandleMachineMove(savedMessage, savedState);
8669 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8670 static ChessProgramState *stalledEngine;
8671 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8674 HandleMachineMove (char *message, ChessProgramState *cps)
8676 static char firstLeg[20];
8677 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8678 char realname[MSG_SIZ];
8679 int fromX, fromY, toX, toY;
8681 char promoChar, roar;
8686 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8687 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8688 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8689 DisplayError(_("Invalid pairing from pairing engine"), 0);
8692 pairingReceived = 1;
8694 return; // Skim the pairing messages here.
8697 oldError = cps->userError; cps->userError = 0;
8699 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8701 * Kludge to ignore BEL characters
8703 while (*message == '\007') message++;
8706 * [HGM] engine debug message: ignore lines starting with '#' character
8708 if(cps->debug && *message == '#') return;
8711 * Look for book output
8713 if (cps == &first && bookRequested) {
8714 if (message[0] == '\t' || message[0] == ' ') {
8715 /* Part of the book output is here; append it */
8716 strcat(bookOutput, message);
8717 strcat(bookOutput, " \n");
8719 } else if (bookOutput[0] != NULLCHAR) {
8720 /* All of book output has arrived; display it */
8721 char *p = bookOutput;
8722 while (*p != NULLCHAR) {
8723 if (*p == '\t') *p = ' ';
8726 DisplayInformation(bookOutput);
8727 bookRequested = FALSE;
8728 /* Fall through to parse the current output */
8733 * Look for machine move.
8735 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8736 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8738 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8739 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8740 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8741 stalledEngine = cps;
8742 if(appData.ponderNextMove) { // bring opponent out of ponder
8743 if(gameMode == TwoMachinesPlay) {
8744 if(cps->other->pause)
8745 PauseEngine(cps->other);
8747 SendToProgram("easy\n", cps->other);
8756 /* This method is only useful on engines that support ping */
8757 if(abortEngineThink) {
8758 if (appData.debugMode) {
8759 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8761 SendToProgram("undo\n", cps);
8765 if (cps->lastPing != cps->lastPong) {
8766 /* Extra move from before last new; ignore */
8767 if (appData.debugMode) {
8768 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8775 int machineWhite = FALSE;
8778 case BeginningOfGame:
8779 /* Extra move from before last reset; ignore */
8780 if (appData.debugMode) {
8781 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8788 /* Extra move after we tried to stop. The mode test is
8789 not a reliable way of detecting this problem, but it's
8790 the best we can do on engines that don't support ping.
8792 if (appData.debugMode) {
8793 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8794 cps->which, gameMode);
8796 SendToProgram("undo\n", cps);
8799 case MachinePlaysWhite:
8800 case IcsPlayingWhite:
8801 machineWhite = TRUE;
8804 case MachinePlaysBlack:
8805 case IcsPlayingBlack:
8806 machineWhite = FALSE;
8809 case TwoMachinesPlay:
8810 machineWhite = (cps->twoMachinesColor[0] == 'w');
8813 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8814 if (appData.debugMode) {
8816 "Ignoring move out of turn by %s, gameMode %d"
8817 ", forwardMost %d\n",
8818 cps->which, gameMode, forwardMostMove);
8824 if(cps->alphaRank) AlphaRank(machineMove, 4);
8826 // [HGM] lion: (some very limited) support for Alien protocol
8827 killX = killY = kill2X = kill2Y = -1;
8828 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8829 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8832 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8833 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8834 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8836 if(firstLeg[0]) { // there was a previous leg;
8837 // only support case where same piece makes two step
8838 char buf[20], *p = machineMove+1, *q = buf+1, f;
8839 safeStrCpy(buf, machineMove, 20);
8840 while(isdigit(*q)) q++; // find start of to-square
8841 safeStrCpy(machineMove, firstLeg, 20);
8842 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8843 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8844 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8845 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8846 firstLeg[0] = NULLCHAR;
8849 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8850 &fromX, &fromY, &toX, &toY, &promoChar)) {
8851 /* Machine move could not be parsed; ignore it. */
8852 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8853 machineMove, _(cps->which));
8854 DisplayMoveError(buf1);
8855 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8856 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8857 if (gameMode == TwoMachinesPlay) {
8858 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8864 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8865 /* So we have to redo legality test with true e.p. status here, */
8866 /* to make sure an illegal e.p. capture does not slip through, */
8867 /* to cause a forfeit on a justified illegal-move complaint */
8868 /* of the opponent. */
8869 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8871 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8872 fromY, fromX, toY, toX, promoChar);
8873 if(moveType == IllegalMove) {
8874 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8875 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8876 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8879 } else if(!appData.fischerCastling)
8880 /* [HGM] Kludge to handle engines that send FRC-style castling
8881 when they shouldn't (like TSCP-Gothic) */
8883 case WhiteASideCastleFR:
8884 case BlackASideCastleFR:
8886 currentMoveString[2]++;
8888 case WhiteHSideCastleFR:
8889 case BlackHSideCastleFR:
8891 currentMoveString[2]--;
8893 default: ; // nothing to do, but suppresses warning of pedantic compilers
8896 hintRequested = FALSE;
8897 lastHint[0] = NULLCHAR;
8898 bookRequested = FALSE;
8899 /* Program may be pondering now */
8900 cps->maybeThinking = TRUE;
8901 if (cps->sendTime == 2) cps->sendTime = 1;
8902 if (cps->offeredDraw) cps->offeredDraw--;
8904 /* [AS] Save move info*/
8905 pvInfoList[ forwardMostMove ].score = programStats.score;
8906 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8907 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8909 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8911 /* Test suites abort the 'game' after one move */
8912 if(*appData.finger) {
8914 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8915 if(!f) f = fopen(appData.finger, "w");
8916 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8917 else { DisplayFatalError("Bad output file", errno, 0); return; }
8919 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8922 if(solvingTime >= 0) {
8923 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8924 totalTime += solvingTime; first.matchWins++;
8926 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8929 OutputKibitz(2, buf1);
8930 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8933 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8934 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8937 while( count < adjudicateLossPlies ) {
8938 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8941 score = -score; /* Flip score for winning side */
8944 if( score > appData.adjudicateLossThreshold ) {
8951 if( count >= adjudicateLossPlies ) {
8952 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8954 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8955 "Xboard adjudication",
8962 if(Adjudicate(cps)) {
8963 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8964 return; // [HGM] adjudicate: for all automatic game ends
8968 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8970 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8971 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8973 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8975 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8977 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8978 char buf[3*MSG_SIZ];
8980 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8981 programStats.score / 100.,
8983 programStats.time / 100.,
8984 (unsigned int)programStats.nodes,
8985 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8986 programStats.movelist);
8992 /* [AS] Clear stats for next move */
8993 ClearProgramStats();
8994 thinkOutput[0] = NULLCHAR;
8995 hiddenThinkOutputState = 0;
8998 if (gameMode == TwoMachinesPlay) {
8999 /* [HGM] relaying draw offers moved to after reception of move */
9000 /* and interpreting offer as claim if it brings draw condition */
9001 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9002 SendToProgram("draw\n", cps->other);
9004 if (cps->other->sendTime) {
9005 SendTimeRemaining(cps->other,
9006 cps->other->twoMachinesColor[0] == 'w');
9008 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9009 if (firstMove && !bookHit) {
9011 if (cps->other->useColors) {
9012 SendToProgram(cps->other->twoMachinesColor, cps->other);
9014 SendToProgram("go\n", cps->other);
9016 cps->other->maybeThinking = TRUE;
9019 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9021 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9023 if (!pausing && appData.ringBellAfterMoves) {
9024 if(!roar) RingBell();
9028 * Reenable menu items that were disabled while
9029 * machine was thinking
9031 if (gameMode != TwoMachinesPlay)
9032 SetUserThinkingEnables();
9034 // [HGM] book: after book hit opponent has received move and is now in force mode
9035 // force the book reply into it, and then fake that it outputted this move by jumping
9036 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9038 static char bookMove[MSG_SIZ]; // a bit generous?
9040 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9041 strcat(bookMove, bookHit);
9044 programStats.nodes = programStats.depth = programStats.time =
9045 programStats.score = programStats.got_only_move = 0;
9046 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9048 if(cps->lastPing != cps->lastPong) {
9049 savedMessage = message; // args for deferred call
9051 ScheduleDelayedEvent(DeferredBookMove, 10);
9060 /* Set special modes for chess engines. Later something general
9061 * could be added here; for now there is just one kludge feature,
9062 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9063 * when "xboard" is given as an interactive command.
9065 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9066 cps->useSigint = FALSE;
9067 cps->useSigterm = FALSE;
9069 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9070 ParseFeatures(message+8, cps);
9071 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9074 if (!strncmp(message, "setup ", 6) &&
9075 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9076 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9077 ) { // [HGM] allow first engine to define opening position
9078 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9079 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9081 if(sscanf(message, "setup (%s", buf) == 1) {
9082 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9083 ASSIGN(appData.pieceToCharTable, buf);
9085 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9087 while(message[s] && message[s++] != ' ');
9088 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9089 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9090 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9091 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9092 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9093 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9094 startedFromSetupPosition = FALSE;
9097 if(startedFromSetupPosition) return;
9098 ParseFEN(boards[0], &dummy, message+s, FALSE);
9099 DrawPosition(TRUE, boards[0]);
9100 CopyBoard(initialPosition, boards[0]);
9101 startedFromSetupPosition = TRUE;
9104 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9105 ChessSquare piece = WhitePawn;
9106 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9107 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9108 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9109 piece += CharToPiece(ID & 255) - WhitePawn;
9110 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9111 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9112 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9113 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9114 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9115 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9116 && gameInfo.variant != VariantGreat
9117 && gameInfo.variant != VariantFairy ) return;
9118 if(piece < EmptySquare) {
9120 ASSIGN(pieceDesc[piece], buf1);
9121 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9125 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9126 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9130 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9131 * want this, I was asked to put it in, and obliged.
9133 if (!strncmp(message, "setboard ", 9)) {
9134 Board initial_position;
9136 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9138 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9139 DisplayError(_("Bad FEN received from engine"), 0);
9143 CopyBoard(boards[0], initial_position);
9144 initialRulePlies = FENrulePlies;
9145 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9146 else gameMode = MachinePlaysBlack;
9147 DrawPosition(FALSE, boards[currentMove]);
9153 * Look for communication commands
9155 if (!strncmp(message, "telluser ", 9)) {
9156 if(message[9] == '\\' && message[10] == '\\')
9157 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9159 DisplayNote(message + 9);
9162 if (!strncmp(message, "tellusererror ", 14)) {
9164 if(message[14] == '\\' && message[15] == '\\')
9165 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9167 DisplayError(message + 14, 0);
9170 if (!strncmp(message, "tellopponent ", 13)) {
9171 if (appData.icsActive) {
9173 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9177 DisplayNote(message + 13);
9181 if (!strncmp(message, "tellothers ", 11)) {
9182 if (appData.icsActive) {
9184 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9187 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9190 if (!strncmp(message, "tellall ", 8)) {
9191 if (appData.icsActive) {
9193 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9197 DisplayNote(message + 8);
9201 if (strncmp(message, "warning", 7) == 0) {
9202 /* Undocumented feature, use tellusererror in new code */
9203 DisplayError(message, 0);
9206 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9207 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9208 strcat(realname, " query");
9209 AskQuestion(realname, buf2, buf1, cps->pr);
9212 /* Commands from the engine directly to ICS. We don't allow these to be
9213 * sent until we are logged on. Crafty kibitzes have been known to
9214 * interfere with the login process.
9217 if (!strncmp(message, "tellics ", 8)) {
9218 SendToICS(message + 8);
9222 if (!strncmp(message, "tellicsnoalias ", 15)) {
9223 SendToICS(ics_prefix);
9224 SendToICS(message + 15);
9228 /* The following are for backward compatibility only */
9229 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9230 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9231 SendToICS(ics_prefix);
9237 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9238 if(initPing == cps->lastPong) {
9239 if(gameInfo.variant == VariantUnknown) {
9240 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9241 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9242 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9246 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9247 abortEngineThink = FALSE;
9248 DisplayMessage("", "");
9253 if(!strncmp(message, "highlight ", 10)) {
9254 if(appData.testLegality && !*engineVariant && appData.markers) return;
9255 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9258 if(!strncmp(message, "click ", 6)) {
9259 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9260 if(appData.testLegality || !appData.oneClick) return;
9261 sscanf(message+6, "%c%d%c", &f, &y, &c);
9262 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9263 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9264 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9265 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9266 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9267 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9268 LeftClick(Release, lastLeftX, lastLeftY);
9269 controlKey = (c == ',');
9270 LeftClick(Press, x, y);
9271 LeftClick(Release, x, y);
9272 first.highlight = f;
9276 * If the move is illegal, cancel it and redraw the board.
9277 * Also deal with other error cases. Matching is rather loose
9278 * here to accommodate engines written before the spec.
9280 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9281 strncmp(message, "Error", 5) == 0) {
9282 if (StrStr(message, "name") ||
9283 StrStr(message, "rating") || StrStr(message, "?") ||
9284 StrStr(message, "result") || StrStr(message, "board") ||
9285 StrStr(message, "bk") || StrStr(message, "computer") ||
9286 StrStr(message, "variant") || StrStr(message, "hint") ||
9287 StrStr(message, "random") || StrStr(message, "depth") ||
9288 StrStr(message, "accepted")) {
9291 if (StrStr(message, "protover")) {
9292 /* Program is responding to input, so it's apparently done
9293 initializing, and this error message indicates it is
9294 protocol version 1. So we don't need to wait any longer
9295 for it to initialize and send feature commands. */
9296 FeatureDone(cps, 1);
9297 cps->protocolVersion = 1;
9300 cps->maybeThinking = FALSE;
9302 if (StrStr(message, "draw")) {
9303 /* Program doesn't have "draw" command */
9304 cps->sendDrawOffers = 0;
9307 if (cps->sendTime != 1 &&
9308 (StrStr(message, "time") || StrStr(message, "otim"))) {
9309 /* Program apparently doesn't have "time" or "otim" command */
9313 if (StrStr(message, "analyze")) {
9314 cps->analysisSupport = FALSE;
9315 cps->analyzing = FALSE;
9316 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9317 EditGameEvent(); // [HGM] try to preserve loaded game
9318 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9319 DisplayError(buf2, 0);
9322 if (StrStr(message, "(no matching move)st")) {
9323 /* Special kludge for GNU Chess 4 only */
9324 cps->stKludge = TRUE;
9325 SendTimeControl(cps, movesPerSession, timeControl,
9326 timeIncrement, appData.searchDepth,
9330 if (StrStr(message, "(no matching move)sd")) {
9331 /* Special kludge for GNU Chess 4 only */
9332 cps->sdKludge = TRUE;
9333 SendTimeControl(cps, movesPerSession, timeControl,
9334 timeIncrement, appData.searchDepth,
9338 if (!StrStr(message, "llegal")) {
9341 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9342 gameMode == IcsIdle) return;
9343 if (forwardMostMove <= backwardMostMove) return;
9344 if (pausing) PauseEvent();
9345 if(appData.forceIllegal) {
9346 // [HGM] illegal: machine refused move; force position after move into it
9347 SendToProgram("force\n", cps);
9348 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9349 // we have a real problem now, as SendBoard will use the a2a3 kludge
9350 // when black is to move, while there might be nothing on a2 or black
9351 // might already have the move. So send the board as if white has the move.
9352 // But first we must change the stm of the engine, as it refused the last move
9353 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9354 if(WhiteOnMove(forwardMostMove)) {
9355 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9356 SendBoard(cps, forwardMostMove); // kludgeless board
9358 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9359 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9360 SendBoard(cps, forwardMostMove+1); // kludgeless board
9362 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9363 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9364 gameMode == TwoMachinesPlay)
9365 SendToProgram("go\n", cps);
9368 if (gameMode == PlayFromGameFile) {
9369 /* Stop reading this game file */
9370 gameMode = EditGame;
9373 /* [HGM] illegal-move claim should forfeit game when Xboard */
9374 /* only passes fully legal moves */
9375 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9376 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9377 "False illegal-move claim", GE_XBOARD );
9378 return; // do not take back move we tested as valid
9380 currentMove = forwardMostMove-1;
9381 DisplayMove(currentMove-1); /* before DisplayMoveError */
9382 SwitchClocks(forwardMostMove-1); // [HGM] race
9383 DisplayBothClocks();
9384 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9385 parseList[currentMove], _(cps->which));
9386 DisplayMoveError(buf1);
9387 DrawPosition(FALSE, boards[currentMove]);
9389 SetUserThinkingEnables();
9392 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9393 /* Program has a broken "time" command that
9394 outputs a string not ending in newline.
9398 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9399 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9400 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9404 * If chess program startup fails, exit with an error message.
9405 * Attempts to recover here are futile. [HGM] Well, we try anyway
9407 if ((StrStr(message, "unknown host") != NULL)
9408 || (StrStr(message, "No remote directory") != NULL)
9409 || (StrStr(message, "not found") != NULL)
9410 || (StrStr(message, "No such file") != NULL)
9411 || (StrStr(message, "can't alloc") != NULL)
9412 || (StrStr(message, "Permission denied") != NULL)) {
9414 cps->maybeThinking = FALSE;
9415 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9416 _(cps->which), cps->program, cps->host, message);
9417 RemoveInputSource(cps->isr);
9418 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9419 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9420 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9426 * Look for hint output
9428 if (sscanf(message, "Hint: %s", buf1) == 1) {
9429 if (cps == &first && hintRequested) {
9430 hintRequested = FALSE;
9431 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9432 &fromX, &fromY, &toX, &toY, &promoChar)) {
9433 (void) CoordsToAlgebraic(boards[forwardMostMove],
9434 PosFlags(forwardMostMove),
9435 fromY, fromX, toY, toX, promoChar, buf1);
9436 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9437 DisplayInformation(buf2);
9439 /* Hint move could not be parsed!? */
9440 snprintf(buf2, sizeof(buf2),
9441 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9442 buf1, _(cps->which));
9443 DisplayError(buf2, 0);
9446 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9452 * Ignore other messages if game is not in progress
9454 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9455 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9458 * look for win, lose, draw, or draw offer
9460 if (strncmp(message, "1-0", 3) == 0) {
9461 char *p, *q, *r = "";
9462 p = strchr(message, '{');
9470 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9472 } else if (strncmp(message, "0-1", 3) == 0) {
9473 char *p, *q, *r = "";
9474 p = strchr(message, '{');
9482 /* Kludge for Arasan 4.1 bug */
9483 if (strcmp(r, "Black resigns") == 0) {
9484 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9487 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9489 } else if (strncmp(message, "1/2", 3) == 0) {
9490 char *p, *q, *r = "";
9491 p = strchr(message, '{');
9500 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9503 } else if (strncmp(message, "White resign", 12) == 0) {
9504 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9506 } else if (strncmp(message, "Black resign", 12) == 0) {
9507 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9509 } else if (strncmp(message, "White matches", 13) == 0 ||
9510 strncmp(message, "Black matches", 13) == 0 ) {
9511 /* [HGM] ignore GNUShogi noises */
9513 } else if (strncmp(message, "White", 5) == 0 &&
9514 message[5] != '(' &&
9515 StrStr(message, "Black") == NULL) {
9516 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9518 } else if (strncmp(message, "Black", 5) == 0 &&
9519 message[5] != '(') {
9520 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9522 } else if (strcmp(message, "resign") == 0 ||
9523 strcmp(message, "computer resigns") == 0) {
9525 case MachinePlaysBlack:
9526 case IcsPlayingBlack:
9527 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9529 case MachinePlaysWhite:
9530 case IcsPlayingWhite:
9531 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9533 case TwoMachinesPlay:
9534 if (cps->twoMachinesColor[0] == 'w')
9535 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9537 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9544 } else if (strncmp(message, "opponent mates", 14) == 0) {
9546 case MachinePlaysBlack:
9547 case IcsPlayingBlack:
9548 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9550 case MachinePlaysWhite:
9551 case IcsPlayingWhite:
9552 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9554 case TwoMachinesPlay:
9555 if (cps->twoMachinesColor[0] == 'w')
9556 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9558 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9565 } else if (strncmp(message, "computer mates", 14) == 0) {
9567 case MachinePlaysBlack:
9568 case IcsPlayingBlack:
9569 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9571 case MachinePlaysWhite:
9572 case IcsPlayingWhite:
9573 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9575 case TwoMachinesPlay:
9576 if (cps->twoMachinesColor[0] == 'w')
9577 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9579 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9586 } else if (strncmp(message, "checkmate", 9) == 0) {
9587 if (WhiteOnMove(forwardMostMove)) {
9588 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9590 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9593 } else if (strstr(message, "Draw") != NULL ||
9594 strstr(message, "game is a draw") != NULL) {
9595 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9597 } else if (strstr(message, "offer") != NULL &&
9598 strstr(message, "draw") != NULL) {
9600 if (appData.zippyPlay && first.initDone) {
9601 /* Relay offer to ICS */
9602 SendToICS(ics_prefix);
9603 SendToICS("draw\n");
9606 cps->offeredDraw = 2; /* valid until this engine moves twice */
9607 if (gameMode == TwoMachinesPlay) {
9608 if (cps->other->offeredDraw) {
9609 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9610 /* [HGM] in two-machine mode we delay relaying draw offer */
9611 /* until after we also have move, to see if it is really claim */
9613 } else if (gameMode == MachinePlaysWhite ||
9614 gameMode == MachinePlaysBlack) {
9615 if (userOfferedDraw) {
9616 DisplayInformation(_("Machine accepts your draw offer"));
9617 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9619 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9626 * Look for thinking output
9628 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9629 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9631 int plylev, mvleft, mvtot, curscore, time;
9632 char mvname[MOVE_LEN];
9636 int prefixHint = FALSE;
9637 mvname[0] = NULLCHAR;
9640 case MachinePlaysBlack:
9641 case IcsPlayingBlack:
9642 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9644 case MachinePlaysWhite:
9645 case IcsPlayingWhite:
9646 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9651 case IcsObserving: /* [DM] icsEngineAnalyze */
9652 if (!appData.icsEngineAnalyze) ignore = TRUE;
9654 case TwoMachinesPlay:
9655 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9665 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9667 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9668 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9669 char score_buf[MSG_SIZ];
9671 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9672 nodes += u64Const(0x100000000);
9674 if (plyext != ' ' && plyext != '\t') {
9678 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9679 if( cps->scoreIsAbsolute &&
9680 ( gameMode == MachinePlaysBlack ||
9681 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9682 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9683 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9684 !WhiteOnMove(currentMove)
9687 curscore = -curscore;
9690 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9692 if(*bestMove) { // rememer time best EPD move was first found
9693 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9695 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9696 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9697 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9700 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9703 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9704 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9705 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9706 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9707 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9708 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9712 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9713 DisplayError(_("failed writing PV"), 0);
9716 tempStats.depth = plylev;
9717 tempStats.nodes = nodes;
9718 tempStats.time = time;
9719 tempStats.score = curscore;
9720 tempStats.got_only_move = 0;
9722 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9725 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9726 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9727 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9728 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9729 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9730 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9731 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9732 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9735 /* Buffer overflow protection */
9736 if (pv[0] != NULLCHAR) {
9737 if (strlen(pv) >= sizeof(tempStats.movelist)
9738 && appData.debugMode) {
9740 "PV is too long; using the first %u bytes.\n",
9741 (unsigned) sizeof(tempStats.movelist) - 1);
9744 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9746 sprintf(tempStats.movelist, " no PV\n");
9749 if (tempStats.seen_stat) {
9750 tempStats.ok_to_send = 1;
9753 if (strchr(tempStats.movelist, '(') != NULL) {
9754 tempStats.line_is_book = 1;
9755 tempStats.nr_moves = 0;
9756 tempStats.moves_left = 0;
9758 tempStats.line_is_book = 0;
9761 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9762 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9764 SendProgramStatsToFrontend( cps, &tempStats );
9767 [AS] Protect the thinkOutput buffer from overflow... this
9768 is only useful if buf1 hasn't overflowed first!
9770 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9771 if(curscore >= MATE_SCORE)
9772 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9773 else if(curscore <= -MATE_SCORE)
9774 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9776 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9777 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9779 (gameMode == TwoMachinesPlay ?
9780 ToUpper(cps->twoMachinesColor[0]) : ' '),
9782 prefixHint ? lastHint : "",
9783 prefixHint ? " " : "" );
9785 if( buf1[0] != NULLCHAR ) {
9786 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9788 if( strlen(pv) > max_len ) {
9789 if( appData.debugMode) {
9790 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9792 pv[max_len+1] = '\0';
9795 strcat( thinkOutput, pv);
9798 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9799 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9800 DisplayMove(currentMove - 1);
9804 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9805 /* crafty (9.25+) says "(only move) <move>"
9806 * if there is only 1 legal move
9808 sscanf(p, "(only move) %s", buf1);
9809 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9810 sprintf(programStats.movelist, "%s (only move)", buf1);
9811 programStats.depth = 1;
9812 programStats.nr_moves = 1;
9813 programStats.moves_left = 1;
9814 programStats.nodes = 1;
9815 programStats.time = 1;
9816 programStats.got_only_move = 1;
9818 /* Not really, but we also use this member to
9819 mean "line isn't going to change" (Crafty
9820 isn't searching, so stats won't change) */
9821 programStats.line_is_book = 1;
9823 SendProgramStatsToFrontend( cps, &programStats );
9825 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9826 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9827 DisplayMove(currentMove - 1);
9830 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9831 &time, &nodes, &plylev, &mvleft,
9832 &mvtot, mvname) >= 5) {
9833 /* The stat01: line is from Crafty (9.29+) in response
9834 to the "." command */
9835 programStats.seen_stat = 1;
9836 cps->maybeThinking = TRUE;
9838 if (programStats.got_only_move || !appData.periodicUpdates)
9841 programStats.depth = plylev;
9842 programStats.time = time;
9843 programStats.nodes = nodes;
9844 programStats.moves_left = mvleft;
9845 programStats.nr_moves = mvtot;
9846 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9847 programStats.ok_to_send = 1;
9848 programStats.movelist[0] = '\0';
9850 SendProgramStatsToFrontend( cps, &programStats );
9854 } else if (strncmp(message,"++",2) == 0) {
9855 /* Crafty 9.29+ outputs this */
9856 programStats.got_fail = 2;
9859 } else if (strncmp(message,"--",2) == 0) {
9860 /* Crafty 9.29+ outputs this */
9861 programStats.got_fail = 1;
9864 } else if (thinkOutput[0] != NULLCHAR &&
9865 strncmp(message, " ", 4) == 0) {
9866 unsigned message_len;
9869 while (*p && *p == ' ') p++;
9871 message_len = strlen( p );
9873 /* [AS] Avoid buffer overflow */
9874 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9875 strcat(thinkOutput, " ");
9876 strcat(thinkOutput, p);
9879 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9880 strcat(programStats.movelist, " ");
9881 strcat(programStats.movelist, p);
9884 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9885 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9886 DisplayMove(currentMove - 1);
9894 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9895 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9897 ChessProgramStats cpstats;
9899 if (plyext != ' ' && plyext != '\t') {
9903 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9904 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9905 curscore = -curscore;
9908 cpstats.depth = plylev;
9909 cpstats.nodes = nodes;
9910 cpstats.time = time;
9911 cpstats.score = curscore;
9912 cpstats.got_only_move = 0;
9913 cpstats.movelist[0] = '\0';
9915 if (buf1[0] != NULLCHAR) {
9916 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9919 cpstats.ok_to_send = 0;
9920 cpstats.line_is_book = 0;
9921 cpstats.nr_moves = 0;
9922 cpstats.moves_left = 0;
9924 SendProgramStatsToFrontend( cps, &cpstats );
9931 /* Parse a game score from the character string "game", and
9932 record it as the history of the current game. The game
9933 score is NOT assumed to start from the standard position.
9934 The display is not updated in any way.
9937 ParseGameHistory (char *game)
9940 int fromX, fromY, toX, toY, boardIndex;
9945 if (appData.debugMode)
9946 fprintf(debugFP, "Parsing game history: %s\n", game);
9948 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9949 gameInfo.site = StrSave(appData.icsHost);
9950 gameInfo.date = PGNDate();
9951 gameInfo.round = StrSave("-");
9953 /* Parse out names of players */
9954 while (*game == ' ') game++;
9956 while (*game != ' ') *p++ = *game++;
9958 gameInfo.white = StrSave(buf);
9959 while (*game == ' ') game++;
9961 while (*game != ' ' && *game != '\n') *p++ = *game++;
9963 gameInfo.black = StrSave(buf);
9966 boardIndex = blackPlaysFirst ? 1 : 0;
9969 yyboardindex = boardIndex;
9970 moveType = (ChessMove) Myylex();
9972 case IllegalMove: /* maybe suicide chess, etc. */
9973 if (appData.debugMode) {
9974 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9975 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9976 setbuf(debugFP, NULL);
9978 case WhitePromotion:
9979 case BlackPromotion:
9980 case WhiteNonPromotion:
9981 case BlackNonPromotion:
9984 case WhiteCapturesEnPassant:
9985 case BlackCapturesEnPassant:
9986 case WhiteKingSideCastle:
9987 case WhiteQueenSideCastle:
9988 case BlackKingSideCastle:
9989 case BlackQueenSideCastle:
9990 case WhiteKingSideCastleWild:
9991 case WhiteQueenSideCastleWild:
9992 case BlackKingSideCastleWild:
9993 case BlackQueenSideCastleWild:
9995 case WhiteHSideCastleFR:
9996 case WhiteASideCastleFR:
9997 case BlackHSideCastleFR:
9998 case BlackASideCastleFR:
10000 fromX = currentMoveString[0] - AAA;
10001 fromY = currentMoveString[1] - ONE;
10002 toX = currentMoveString[2] - AAA;
10003 toY = currentMoveString[3] - ONE;
10004 promoChar = currentMoveString[4];
10008 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10009 fromX = moveType == WhiteDrop ?
10010 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10011 (int) CharToPiece(ToLower(currentMoveString[0]));
10013 toX = currentMoveString[2] - AAA;
10014 toY = currentMoveString[3] - ONE;
10015 promoChar = NULLCHAR;
10017 case AmbiguousMove:
10019 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10020 if (appData.debugMode) {
10021 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10022 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10023 setbuf(debugFP, NULL);
10025 DisplayError(buf, 0);
10027 case ImpossibleMove:
10029 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10030 if (appData.debugMode) {
10031 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10032 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10033 setbuf(debugFP, NULL);
10035 DisplayError(buf, 0);
10038 if (boardIndex < backwardMostMove) {
10039 /* Oops, gap. How did that happen? */
10040 DisplayError(_("Gap in move list"), 0);
10043 backwardMostMove = blackPlaysFirst ? 1 : 0;
10044 if (boardIndex > forwardMostMove) {
10045 forwardMostMove = boardIndex;
10049 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10050 strcat(parseList[boardIndex-1], " ");
10051 strcat(parseList[boardIndex-1], yy_text);
10063 case GameUnfinished:
10064 if (gameMode == IcsExamining) {
10065 if (boardIndex < backwardMostMove) {
10066 /* Oops, gap. How did that happen? */
10069 backwardMostMove = blackPlaysFirst ? 1 : 0;
10072 gameInfo.result = moveType;
10073 p = strchr(yy_text, '{');
10074 if (p == NULL) p = strchr(yy_text, '(');
10077 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10079 q = strchr(p, *p == '{' ? '}' : ')');
10080 if (q != NULL) *q = NULLCHAR;
10083 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10084 gameInfo.resultDetails = StrSave(p);
10087 if (boardIndex >= forwardMostMove &&
10088 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10089 backwardMostMove = blackPlaysFirst ? 1 : 0;
10092 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10093 fromY, fromX, toY, toX, promoChar,
10094 parseList[boardIndex]);
10095 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10096 /* currentMoveString is set as a side-effect of yylex */
10097 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10098 strcat(moveList[boardIndex], "\n");
10100 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10101 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10107 if(!IS_SHOGI(gameInfo.variant))
10108 strcat(parseList[boardIndex - 1], "+");
10112 strcat(parseList[boardIndex - 1], "#");
10119 /* Apply a move to the given board */
10121 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10123 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10124 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10126 /* [HGM] compute & store e.p. status and castling rights for new position */
10127 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10129 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10130 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10131 board[EP_STATUS] = EP_NONE;
10132 board[EP_FILE] = board[EP_RANK] = 100;
10134 if (fromY == DROP_RANK) {
10135 /* must be first */
10136 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10137 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10140 piece = board[toY][toX] = (ChessSquare) fromX;
10142 // ChessSquare victim;
10145 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10146 // victim = board[killY][killX],
10147 killed = board[killY][killX],
10148 board[killY][killX] = EmptySquare,
10149 board[EP_STATUS] = EP_CAPTURE;
10150 if( kill2X >= 0 && kill2Y >= 0)
10151 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10154 if( board[toY][toX] != EmptySquare ) {
10155 board[EP_STATUS] = EP_CAPTURE;
10156 if( (fromX != toX || fromY != toY) && // not igui!
10157 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10158 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10159 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10163 pawn = board[fromY][fromX];
10164 if( pawn == WhiteLance || pawn == BlackLance ) {
10165 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10166 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10167 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10170 if( pawn == WhitePawn ) {
10171 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10172 board[EP_STATUS] = EP_PAWN_MOVE;
10173 if( toY-fromY>=2) {
10174 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10175 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10176 gameInfo.variant != VariantBerolina || toX < fromX)
10177 board[EP_STATUS] = toX | berolina;
10178 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10179 gameInfo.variant != VariantBerolina || toX > fromX)
10180 board[EP_STATUS] = toX;
10183 if( pawn == BlackPawn ) {
10184 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10185 board[EP_STATUS] = EP_PAWN_MOVE;
10186 if( toY-fromY<= -2) {
10187 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10188 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10189 gameInfo.variant != VariantBerolina || toX < fromX)
10190 board[EP_STATUS] = toX | berolina;
10191 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10192 gameInfo.variant != VariantBerolina || toX > fromX)
10193 board[EP_STATUS] = toX;
10197 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10198 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10199 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10200 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10202 for(i=0; i<nrCastlingRights; i++) {
10203 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10204 board[CASTLING][i] == toX && castlingRank[i] == toY
10205 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10208 if(gameInfo.variant == VariantSChess) { // update virginity
10209 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10210 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10211 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10212 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10215 if (fromX == toX && fromY == toY) return;
10217 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10218 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10219 if(gameInfo.variant == VariantKnightmate)
10220 king += (int) WhiteUnicorn - (int) WhiteKing;
10222 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10223 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10224 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10225 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10226 board[EP_STATUS] = EP_NONE; // capture was fake!
10228 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10229 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10230 board[toY][toX] = piece;
10231 board[EP_STATUS] = EP_NONE; // capture was fake!
10233 /* Code added by Tord: */
10234 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10235 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10236 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10237 board[EP_STATUS] = EP_NONE; // capture was fake!
10238 board[fromY][fromX] = EmptySquare;
10239 board[toY][toX] = EmptySquare;
10240 if((toX > fromX) != (piece == WhiteRook)) {
10241 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10243 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10245 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10246 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10247 board[EP_STATUS] = EP_NONE;
10248 board[fromY][fromX] = EmptySquare;
10249 board[toY][toX] = EmptySquare;
10250 if((toX > fromX) != (piece == BlackRook)) {
10251 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10253 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10255 /* End of code added by Tord */
10257 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10258 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10259 board[toY][toX] = piece;
10260 } else if (board[fromY][fromX] == king
10261 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10262 && toY == fromY && toX > fromX+1) {
10263 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10264 board[fromY][toX-1] = board[fromY][rookX];
10265 board[fromY][rookX] = EmptySquare;
10266 board[fromY][fromX] = EmptySquare;
10267 board[toY][toX] = king;
10268 } else if (board[fromY][fromX] == king
10269 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10270 && toY == fromY && toX < fromX-1) {
10271 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10272 board[fromY][toX+1] = board[fromY][rookX];
10273 board[fromY][rookX] = EmptySquare;
10274 board[fromY][fromX] = EmptySquare;
10275 board[toY][toX] = king;
10276 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10277 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10278 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10280 /* white pawn promotion */
10281 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10282 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10283 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10284 board[fromY][fromX] = EmptySquare;
10285 } else if ((fromY >= BOARD_HEIGHT>>1)
10286 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10288 && gameInfo.variant != VariantXiangqi
10289 && gameInfo.variant != VariantBerolina
10290 && (pawn == WhitePawn)
10291 && (board[toY][toX] == EmptySquare)) {
10292 board[fromY][fromX] = EmptySquare;
10293 board[toY][toX] = piece;
10294 if(toY == epRank - 128 + 1)
10295 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10297 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10298 } else if ((fromY == BOARD_HEIGHT-4)
10300 && gameInfo.variant == VariantBerolina
10301 && (board[fromY][fromX] == WhitePawn)
10302 && (board[toY][toX] == EmptySquare)) {
10303 board[fromY][fromX] = EmptySquare;
10304 board[toY][toX] = WhitePawn;
10305 if(oldEP & EP_BEROLIN_A) {
10306 captured = board[fromY][fromX-1];
10307 board[fromY][fromX-1] = EmptySquare;
10308 }else{ captured = board[fromY][fromX+1];
10309 board[fromY][fromX+1] = EmptySquare;
10311 } else if (board[fromY][fromX] == king
10312 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10313 && toY == fromY && toX > fromX+1) {
10314 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10315 board[fromY][toX-1] = board[fromY][rookX];
10316 board[fromY][rookX] = EmptySquare;
10317 board[fromY][fromX] = EmptySquare;
10318 board[toY][toX] = king;
10319 } else if (board[fromY][fromX] == king
10320 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10321 && toY == fromY && toX < fromX-1) {
10322 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10323 board[fromY][toX+1] = board[fromY][rookX];
10324 board[fromY][rookX] = EmptySquare;
10325 board[fromY][fromX] = EmptySquare;
10326 board[toY][toX] = king;
10327 } else if (fromY == 7 && fromX == 3
10328 && board[fromY][fromX] == BlackKing
10329 && toY == 7 && toX == 5) {
10330 board[fromY][fromX] = EmptySquare;
10331 board[toY][toX] = BlackKing;
10332 board[fromY][7] = EmptySquare;
10333 board[toY][4] = BlackRook;
10334 } else if (fromY == 7 && fromX == 3
10335 && board[fromY][fromX] == BlackKing
10336 && toY == 7 && toX == 1) {
10337 board[fromY][fromX] = EmptySquare;
10338 board[toY][toX] = BlackKing;
10339 board[fromY][0] = EmptySquare;
10340 board[toY][2] = BlackRook;
10341 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10342 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10343 && toY < promoRank && promoChar
10345 /* black pawn promotion */
10346 board[toY][toX] = CharToPiece(ToLower(promoChar));
10347 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10348 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10349 board[fromY][fromX] = EmptySquare;
10350 } else if ((fromY < BOARD_HEIGHT>>1)
10351 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10353 && gameInfo.variant != VariantXiangqi
10354 && gameInfo.variant != VariantBerolina
10355 && (pawn == BlackPawn)
10356 && (board[toY][toX] == EmptySquare)) {
10357 board[fromY][fromX] = EmptySquare;
10358 board[toY][toX] = piece;
10359 if(toY == epRank - 128 - 1)
10360 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10362 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10363 } else if ((fromY == 3)
10365 && gameInfo.variant == VariantBerolina
10366 && (board[fromY][fromX] == BlackPawn)
10367 && (board[toY][toX] == EmptySquare)) {
10368 board[fromY][fromX] = EmptySquare;
10369 board[toY][toX] = BlackPawn;
10370 if(oldEP & EP_BEROLIN_A) {
10371 captured = board[fromY][fromX-1];
10372 board[fromY][fromX-1] = EmptySquare;
10373 }else{ captured = board[fromY][fromX+1];
10374 board[fromY][fromX+1] = EmptySquare;
10377 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10378 board[fromY][fromX] = EmptySquare;
10379 board[toY][toX] = piece;
10383 if (gameInfo.holdingsWidth != 0) {
10385 /* !!A lot more code needs to be written to support holdings */
10386 /* [HGM] OK, so I have written it. Holdings are stored in the */
10387 /* penultimate board files, so they are automaticlly stored */
10388 /* in the game history. */
10389 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10390 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10391 /* Delete from holdings, by decreasing count */
10392 /* and erasing image if necessary */
10393 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10394 if(p < (int) BlackPawn) { /* white drop */
10395 p -= (int)WhitePawn;
10396 p = PieceToNumber((ChessSquare)p);
10397 if(p >= gameInfo.holdingsSize) p = 0;
10398 if(--board[p][BOARD_WIDTH-2] <= 0)
10399 board[p][BOARD_WIDTH-1] = EmptySquare;
10400 if((int)board[p][BOARD_WIDTH-2] < 0)
10401 board[p][BOARD_WIDTH-2] = 0;
10402 } else { /* black drop */
10403 p -= (int)BlackPawn;
10404 p = PieceToNumber((ChessSquare)p);
10405 if(p >= gameInfo.holdingsSize) p = 0;
10406 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10407 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10408 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10409 board[BOARD_HEIGHT-1-p][1] = 0;
10412 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10413 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10414 /* [HGM] holdings: Add to holdings, if holdings exist */
10415 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10416 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10417 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10419 p = (int) captured;
10420 if (p >= (int) BlackPawn) {
10421 p -= (int)BlackPawn;
10422 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10423 /* Restore shogi-promoted piece to its original first */
10424 captured = (ChessSquare) (DEMOTED(captured));
10427 p = PieceToNumber((ChessSquare)p);
10428 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10429 board[p][BOARD_WIDTH-2]++;
10430 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10432 p -= (int)WhitePawn;
10433 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10434 captured = (ChessSquare) (DEMOTED(captured));
10437 p = PieceToNumber((ChessSquare)p);
10438 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10439 board[BOARD_HEIGHT-1-p][1]++;
10440 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10443 } else if (gameInfo.variant == VariantAtomic) {
10444 if (captured != EmptySquare) {
10446 for (y = toY-1; y <= toY+1; y++) {
10447 for (x = toX-1; x <= toX+1; x++) {
10448 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10449 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10450 board[y][x] = EmptySquare;
10454 board[toY][toX] = EmptySquare;
10458 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10459 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10461 if(promoChar == '+') {
10462 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10463 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10464 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10465 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10466 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10467 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10468 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10469 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10470 board[toY][toX] = newPiece;
10472 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10473 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10474 // [HGM] superchess: take promotion piece out of holdings
10475 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10476 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10477 if(!--board[k][BOARD_WIDTH-2])
10478 board[k][BOARD_WIDTH-1] = EmptySquare;
10480 if(!--board[BOARD_HEIGHT-1-k][1])
10481 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10486 /* Updates forwardMostMove */
10488 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10490 int x = toX, y = toY;
10491 char *s = parseList[forwardMostMove];
10492 ChessSquare p = boards[forwardMostMove][toY][toX];
10493 // forwardMostMove++; // [HGM] bare: moved downstream
10495 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10496 (void) CoordsToAlgebraic(boards[forwardMostMove],
10497 PosFlags(forwardMostMove),
10498 fromY, fromX, y, x, (killX < 0)*promoChar,
10500 if(killX >= 0 && killY >= 0)
10501 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0', promoChar);
10503 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10504 int timeLeft; static int lastLoadFlag=0; int king, piece;
10505 piece = boards[forwardMostMove][fromY][fromX];
10506 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10507 if(gameInfo.variant == VariantKnightmate)
10508 king += (int) WhiteUnicorn - (int) WhiteKing;
10509 if(forwardMostMove == 0) {
10510 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10511 fprintf(serverMoves, "%s;", UserName());
10512 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10513 fprintf(serverMoves, "%s;", second.tidy);
10514 fprintf(serverMoves, "%s;", first.tidy);
10515 if(gameMode == MachinePlaysWhite)
10516 fprintf(serverMoves, "%s;", UserName());
10517 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10518 fprintf(serverMoves, "%s;", second.tidy);
10519 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10520 lastLoadFlag = loadFlag;
10522 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10523 // print castling suffix
10524 if( toY == fromY && piece == king ) {
10526 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10528 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10531 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10532 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10533 boards[forwardMostMove][toY][toX] == EmptySquare
10534 && fromX != toX && fromY != toY)
10535 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10536 // promotion suffix
10537 if(promoChar != NULLCHAR) {
10538 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10539 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10540 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10541 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10544 char buf[MOVE_LEN*2], *p; int len;
10545 fprintf(serverMoves, "/%d/%d",
10546 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10547 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10548 else timeLeft = blackTimeRemaining/1000;
10549 fprintf(serverMoves, "/%d", timeLeft);
10550 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10551 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10552 if(p = strchr(buf, '=')) *p = NULLCHAR;
10553 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10554 fprintf(serverMoves, "/%s", buf);
10556 fflush(serverMoves);
10559 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10560 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10563 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10564 if (commentList[forwardMostMove+1] != NULL) {
10565 free(commentList[forwardMostMove+1]);
10566 commentList[forwardMostMove+1] = NULL;
10568 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10569 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10570 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10571 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10572 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10573 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10574 adjustedClock = FALSE;
10575 gameInfo.result = GameUnfinished;
10576 if (gameInfo.resultDetails != NULL) {
10577 free(gameInfo.resultDetails);
10578 gameInfo.resultDetails = NULL;
10580 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10581 moveList[forwardMostMove - 1]);
10582 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10588 if(!IS_SHOGI(gameInfo.variant))
10589 strcat(parseList[forwardMostMove - 1], "+");
10593 strcat(parseList[forwardMostMove - 1], "#");
10598 /* Updates currentMove if not pausing */
10600 ShowMove (int fromX, int fromY, int toX, int toY)
10602 int instant = (gameMode == PlayFromGameFile) ?
10603 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10604 if(appData.noGUI) return;
10605 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10607 if (forwardMostMove == currentMove + 1) {
10608 AnimateMove(boards[forwardMostMove - 1],
10609 fromX, fromY, toX, toY);
10612 currentMove = forwardMostMove;
10615 killX = killY = -1; // [HGM] lion: used up
10617 if (instant) return;
10619 DisplayMove(currentMove - 1);
10620 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10621 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10622 SetHighlights(fromX, fromY, toX, toY);
10625 DrawPosition(FALSE, boards[currentMove]);
10626 DisplayBothClocks();
10627 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10631 SendEgtPath (ChessProgramState *cps)
10632 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10633 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10635 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10638 char c, *q = name+1, *r, *s;
10640 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10641 while(*p && *p != ',') *q++ = *p++;
10642 *q++ = ':'; *q = 0;
10643 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10644 strcmp(name, ",nalimov:") == 0 ) {
10645 // take nalimov path from the menu-changeable option first, if it is defined
10646 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10647 SendToProgram(buf,cps); // send egtbpath command for nalimov
10649 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10650 (s = StrStr(appData.egtFormats, name)) != NULL) {
10651 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10652 s = r = StrStr(s, ":") + 1; // beginning of path info
10653 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10654 c = *r; *r = 0; // temporarily null-terminate path info
10655 *--q = 0; // strip of trailig ':' from name
10656 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10658 SendToProgram(buf,cps); // send egtbpath command for this format
10660 if(*p == ',') p++; // read away comma to position for next format name
10665 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10667 int width = 8, height = 8, holdings = 0; // most common sizes
10668 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10669 // correct the deviations default for each variant
10670 if( v == VariantXiangqi ) width = 9, height = 10;
10671 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10672 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10673 if( v == VariantCapablanca || v == VariantCapaRandom ||
10674 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10676 if( v == VariantCourier ) width = 12;
10677 if( v == VariantSuper ) holdings = 8;
10678 if( v == VariantGreat ) width = 10, holdings = 8;
10679 if( v == VariantSChess ) holdings = 7;
10680 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10681 if( v == VariantChuChess) width = 10, height = 10;
10682 if( v == VariantChu ) width = 12, height = 12;
10683 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10684 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10685 holdingsSize >= 0 && holdingsSize != holdings;
10688 char variantError[MSG_SIZ];
10691 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10692 { // returns error message (recognizable by upper-case) if engine does not support the variant
10693 char *p, *variant = VariantName(v);
10694 static char b[MSG_SIZ];
10695 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10696 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10697 holdingsSize, variant); // cook up sized variant name
10698 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10699 if(StrStr(list, b) == NULL) {
10700 // specific sized variant not known, check if general sizing allowed
10701 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10702 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10703 boardWidth, boardHeight, holdingsSize, engine);
10706 /* [HGM] here we really should compare with the maximum supported board size */
10708 } else snprintf(b, MSG_SIZ,"%s", variant);
10709 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10710 p = StrStr(list, b);
10711 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10713 // occurs not at all in list, or only as sub-string
10714 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10715 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10716 int l = strlen(variantError);
10718 while(p != list && p[-1] != ',') p--;
10719 q = strchr(p, ',');
10720 if(q) *q = NULLCHAR;
10721 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10730 InitChessProgram (ChessProgramState *cps, int setup)
10731 /* setup needed to setup FRC opening position */
10733 char buf[MSG_SIZ], *b;
10734 if (appData.noChessProgram) return;
10735 hintRequested = FALSE;
10736 bookRequested = FALSE;
10738 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10739 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10740 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10741 if(cps->memSize) { /* [HGM] memory */
10742 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10743 SendToProgram(buf, cps);
10745 SendEgtPath(cps); /* [HGM] EGT */
10746 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10747 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10748 SendToProgram(buf, cps);
10751 setboardSpoiledMachineBlack = FALSE;
10752 SendToProgram(cps->initString, cps);
10753 if (gameInfo.variant != VariantNormal &&
10754 gameInfo.variant != VariantLoadable
10755 /* [HGM] also send variant if board size non-standard */
10756 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10758 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10759 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10762 char c, *q = cps->variants, *p = strchr(q, ',');
10763 if(p) *p = NULLCHAR;
10764 v = StringToVariant(q);
10765 DisplayError(variantError, 0);
10766 if(v != VariantUnknown && cps == &first) {
10768 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10769 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10770 ASSIGN(appData.variant, q);
10771 Reset(TRUE, FALSE);
10777 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10778 SendToProgram(buf, cps);
10780 currentlyInitializedVariant = gameInfo.variant;
10782 /* [HGM] send opening position in FRC to first engine */
10784 SendToProgram("force\n", cps);
10786 /* engine is now in force mode! Set flag to wake it up after first move. */
10787 setboardSpoiledMachineBlack = 1;
10790 if (cps->sendICS) {
10791 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10792 SendToProgram(buf, cps);
10794 cps->maybeThinking = FALSE;
10795 cps->offeredDraw = 0;
10796 if (!appData.icsActive) {
10797 SendTimeControl(cps, movesPerSession, timeControl,
10798 timeIncrement, appData.searchDepth,
10801 if (appData.showThinking
10802 // [HGM] thinking: four options require thinking output to be sent
10803 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10805 SendToProgram("post\n", cps);
10807 SendToProgram("hard\n", cps);
10808 if (!appData.ponderNextMove) {
10809 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10810 it without being sure what state we are in first. "hard"
10811 is not a toggle, so that one is OK.
10813 SendToProgram("easy\n", cps);
10815 if (cps->usePing) {
10816 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10817 SendToProgram(buf, cps);
10819 cps->initDone = TRUE;
10820 ClearEngineOutputPane(cps == &second);
10825 ResendOptions (ChessProgramState *cps)
10826 { // send the stored value of the options
10829 Option *opt = cps->option;
10830 for(i=0; i<cps->nrOptions; i++, opt++) {
10831 switch(opt->type) {
10835 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10838 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10841 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10847 SendToProgram(buf, cps);
10852 StartChessProgram (ChessProgramState *cps)
10857 if (appData.noChessProgram) return;
10858 cps->initDone = FALSE;
10860 if (strcmp(cps->host, "localhost") == 0) {
10861 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10862 } else if (*appData.remoteShell == NULLCHAR) {
10863 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10865 if (*appData.remoteUser == NULLCHAR) {
10866 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10869 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10870 cps->host, appData.remoteUser, cps->program);
10872 err = StartChildProcess(buf, "", &cps->pr);
10876 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10877 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10878 if(cps != &first) return;
10879 appData.noChessProgram = TRUE;
10882 // DisplayFatalError(buf, err, 1);
10883 // cps->pr = NoProc;
10884 // cps->isr = NULL;
10888 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10889 if (cps->protocolVersion > 1) {
10890 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10891 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10892 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10893 cps->comboCnt = 0; // and values of combo boxes
10895 SendToProgram(buf, cps);
10896 if(cps->reload) ResendOptions(cps);
10898 SendToProgram("xboard\n", cps);
10903 TwoMachinesEventIfReady P((void))
10905 static int curMess = 0;
10906 if (first.lastPing != first.lastPong) {
10907 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10908 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10911 if (second.lastPing != second.lastPong) {
10912 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10913 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10916 DisplayMessage("", ""); curMess = 0;
10917 TwoMachinesEvent();
10921 MakeName (char *template)
10925 static char buf[MSG_SIZ];
10929 clock = time((time_t *)NULL);
10930 tm = localtime(&clock);
10932 while(*p++ = *template++) if(p[-1] == '%') {
10933 switch(*template++) {
10934 case 0: *p = 0; return buf;
10935 case 'Y': i = tm->tm_year+1900; break;
10936 case 'y': i = tm->tm_year-100; break;
10937 case 'M': i = tm->tm_mon+1; break;
10938 case 'd': i = tm->tm_mday; break;
10939 case 'h': i = tm->tm_hour; break;
10940 case 'm': i = tm->tm_min; break;
10941 case 's': i = tm->tm_sec; break;
10944 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10950 CountPlayers (char *p)
10953 while(p = strchr(p, '\n')) p++, n++; // count participants
10958 WriteTourneyFile (char *results, FILE *f)
10959 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10960 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10961 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10962 // create a file with tournament description
10963 fprintf(f, "-participants {%s}\n", appData.participants);
10964 fprintf(f, "-seedBase %d\n", appData.seedBase);
10965 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10966 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10967 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10968 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10969 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10970 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10971 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10972 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10973 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10974 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10975 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10976 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10977 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10978 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10979 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10980 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10981 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10982 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10983 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10984 fprintf(f, "-smpCores %d\n", appData.smpCores);
10986 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10988 fprintf(f, "-mps %d\n", appData.movesPerSession);
10989 fprintf(f, "-tc %s\n", appData.timeControl);
10990 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10992 fprintf(f, "-results \"%s\"\n", results);
10997 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11000 Substitute (char *participants, int expunge)
11002 int i, changed, changes=0, nPlayers=0;
11003 char *p, *q, *r, buf[MSG_SIZ];
11004 if(participants == NULL) return;
11005 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11006 r = p = participants; q = appData.participants;
11007 while(*p && *p == *q) {
11008 if(*p == '\n') r = p+1, nPlayers++;
11011 if(*p) { // difference
11012 while(*p && *p++ != '\n');
11013 while(*q && *q++ != '\n');
11014 changed = nPlayers;
11015 changes = 1 + (strcmp(p, q) != 0);
11017 if(changes == 1) { // a single engine mnemonic was changed
11018 q = r; while(*q) nPlayers += (*q++ == '\n');
11019 p = buf; while(*r && (*p = *r++) != '\n') p++;
11021 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11022 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11023 if(mnemonic[i]) { // The substitute is valid
11025 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11026 flock(fileno(f), LOCK_EX);
11027 ParseArgsFromFile(f);
11028 fseek(f, 0, SEEK_SET);
11029 FREE(appData.participants); appData.participants = participants;
11030 if(expunge) { // erase results of replaced engine
11031 int len = strlen(appData.results), w, b, dummy;
11032 for(i=0; i<len; i++) {
11033 Pairing(i, nPlayers, &w, &b, &dummy);
11034 if((w == changed || b == changed) && appData.results[i] == '*') {
11035 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11040 for(i=0; i<len; i++) {
11041 Pairing(i, nPlayers, &w, &b, &dummy);
11042 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11045 WriteTourneyFile(appData.results, f);
11046 fclose(f); // release lock
11049 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11051 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11052 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11053 free(participants);
11058 CheckPlayers (char *participants)
11061 char buf[MSG_SIZ], *p;
11062 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11063 while(p = strchr(participants, '\n')) {
11065 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11067 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11069 DisplayError(buf, 0);
11073 participants = p + 1;
11079 CreateTourney (char *name)
11082 if(matchMode && strcmp(name, appData.tourneyFile)) {
11083 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11085 if(name[0] == NULLCHAR) {
11086 if(appData.participants[0])
11087 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11090 f = fopen(name, "r");
11091 if(f) { // file exists
11092 ASSIGN(appData.tourneyFile, name);
11093 ParseArgsFromFile(f); // parse it
11095 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11096 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11097 DisplayError(_("Not enough participants"), 0);
11100 if(CheckPlayers(appData.participants)) return 0;
11101 ASSIGN(appData.tourneyFile, name);
11102 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11103 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11106 appData.noChessProgram = FALSE;
11107 appData.clockMode = TRUE;
11113 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11115 char buf[MSG_SIZ], *p, *q;
11116 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11117 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11118 skip = !all && group[0]; // if group requested, we start in skip mode
11119 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11120 p = names; q = buf; header = 0;
11121 while(*p && *p != '\n') *q++ = *p++;
11123 if(*p == '\n') p++;
11124 if(buf[0] == '#') {
11125 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11126 depth++; // we must be entering a new group
11127 if(all) continue; // suppress printing group headers when complete list requested
11129 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11131 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11132 if(engineList[i]) free(engineList[i]);
11133 engineList[i] = strdup(buf);
11134 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11135 if(engineMnemonic[i]) free(engineMnemonic[i]);
11136 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11138 sscanf(q + 8, "%s", buf + strlen(buf));
11141 engineMnemonic[i] = strdup(buf);
11144 engineList[i] = engineMnemonic[i] = NULL;
11148 // following implemented as macro to avoid type limitations
11149 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11152 SwapEngines (int n)
11153 { // swap settings for first engine and other engine (so far only some selected options)
11158 SWAP(chessProgram, p)
11160 SWAP(hasOwnBookUCI, h)
11161 SWAP(protocolVersion, h)
11163 SWAP(scoreIsAbsolute, h)
11168 SWAP(engOptions, p)
11169 SWAP(engInitString, p)
11170 SWAP(computerString, p)
11172 SWAP(fenOverride, p)
11174 SWAP(accumulateTC, h)
11181 GetEngineLine (char *s, int n)
11185 extern char *icsNames;
11186 if(!s || !*s) return 0;
11187 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11188 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11189 if(!mnemonic[i]) return 0;
11190 if(n == 11) return 1; // just testing if there was a match
11191 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11192 if(n == 1) SwapEngines(n);
11193 ParseArgsFromString(buf);
11194 if(n == 1) SwapEngines(n);
11195 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11196 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11197 ParseArgsFromString(buf);
11203 SetPlayer (int player, char *p)
11204 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11206 char buf[MSG_SIZ], *engineName;
11207 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11208 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11209 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11211 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11212 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11213 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11214 ParseArgsFromString(buf);
11215 } else { // no engine with this nickname is installed!
11216 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11217 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11218 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11220 DisplayError(buf, 0);
11227 char *recentEngines;
11230 RecentEngineEvent (int nr)
11233 // SwapEngines(1); // bump first to second
11234 // ReplaceEngine(&second, 1); // and load it there
11235 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11236 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11237 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11238 ReplaceEngine(&first, 0);
11239 FloatToFront(&appData.recentEngineList, command[n]);
11244 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11245 { // determine players from game number
11246 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11248 if(appData.tourneyType == 0) {
11249 roundsPerCycle = (nPlayers - 1) | 1;
11250 pairingsPerRound = nPlayers / 2;
11251 } else if(appData.tourneyType > 0) {
11252 roundsPerCycle = nPlayers - appData.tourneyType;
11253 pairingsPerRound = appData.tourneyType;
11255 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11256 gamesPerCycle = gamesPerRound * roundsPerCycle;
11257 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11258 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11259 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11260 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11261 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11262 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11264 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11265 if(appData.roundSync) *syncInterval = gamesPerRound;
11267 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11269 if(appData.tourneyType == 0) {
11270 if(curPairing == (nPlayers-1)/2 ) {
11271 *whitePlayer = curRound;
11272 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11274 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11275 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11276 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11277 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11279 } else if(appData.tourneyType > 1) {
11280 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11281 *whitePlayer = curRound + appData.tourneyType;
11282 } else if(appData.tourneyType > 0) {
11283 *whitePlayer = curPairing;
11284 *blackPlayer = curRound + appData.tourneyType;
11287 // take care of white/black alternation per round.
11288 // For cycles and games this is already taken care of by default, derived from matchGame!
11289 return curRound & 1;
11293 NextTourneyGame (int nr, int *swapColors)
11294 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11296 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11298 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11299 tf = fopen(appData.tourneyFile, "r");
11300 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11301 ParseArgsFromFile(tf); fclose(tf);
11302 InitTimeControls(); // TC might be altered from tourney file
11304 nPlayers = CountPlayers(appData.participants); // count participants
11305 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11306 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11309 p = q = appData.results;
11310 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11311 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11312 DisplayMessage(_("Waiting for other game(s)"),"");
11313 waitingForGame = TRUE;
11314 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11317 waitingForGame = FALSE;
11320 if(appData.tourneyType < 0) {
11321 if(nr>=0 && !pairingReceived) {
11323 if(pairing.pr == NoProc) {
11324 if(!appData.pairingEngine[0]) {
11325 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11328 StartChessProgram(&pairing); // starts the pairing engine
11330 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11331 SendToProgram(buf, &pairing);
11332 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11333 SendToProgram(buf, &pairing);
11334 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11336 pairingReceived = 0; // ... so we continue here
11338 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11339 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11340 matchGame = 1; roundNr = nr / syncInterval + 1;
11343 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11345 // redefine engines, engine dir, etc.
11346 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11347 if(first.pr == NoProc) {
11348 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11349 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11351 if(second.pr == NoProc) {
11353 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11354 SwapEngines(1); // and make that valid for second engine by swapping
11355 InitEngine(&second, 1);
11357 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11358 UpdateLogos(FALSE); // leave display to ModeHiglight()
11364 { // performs game initialization that does not invoke engines, and then tries to start the game
11365 int res, firstWhite, swapColors = 0;
11366 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11367 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
11369 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11370 if(strcmp(buf, currentDebugFile)) { // name has changed
11371 FILE *f = fopen(buf, "w");
11372 if(f) { // if opening the new file failed, just keep using the old one
11373 ASSIGN(currentDebugFile, buf);
11377 if(appData.serverFileName) {
11378 if(serverFP) fclose(serverFP);
11379 serverFP = fopen(appData.serverFileName, "w");
11380 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11381 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11385 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11386 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11387 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11388 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11389 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11390 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11391 Reset(FALSE, first.pr != NoProc);
11392 res = LoadGameOrPosition(matchGame); // setup game
11393 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11394 if(!res) return; // abort when bad game/pos file
11395 TwoMachinesEvent();
11399 UserAdjudicationEvent (int result)
11401 ChessMove gameResult = GameIsDrawn;
11404 gameResult = WhiteWins;
11406 else if( result < 0 ) {
11407 gameResult = BlackWins;
11410 if( gameMode == TwoMachinesPlay ) {
11411 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11416 // [HGM] save: calculate checksum of game to make games easily identifiable
11418 StringCheckSum (char *s)
11421 if(s==NULL) return 0;
11422 while(*s) i = i*259 + *s++;
11430 for(i=backwardMostMove; i<forwardMostMove; i++) {
11431 sum += pvInfoList[i].depth;
11432 sum += StringCheckSum(parseList[i]);
11433 sum += StringCheckSum(commentList[i]);
11436 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11437 return sum + StringCheckSum(commentList[i]);
11438 } // end of save patch
11441 GameEnds (ChessMove result, char *resultDetails, int whosays)
11443 GameMode nextGameMode;
11445 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11447 if(endingGame) return; /* [HGM] crash: forbid recursion */
11449 if(twoBoards) { // [HGM] dual: switch back to one board
11450 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11451 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11453 if (appData.debugMode) {
11454 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11455 result, resultDetails ? resultDetails : "(null)", whosays);
11458 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11460 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11462 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11463 /* If we are playing on ICS, the server decides when the
11464 game is over, but the engine can offer to draw, claim
11468 if (appData.zippyPlay && first.initDone) {
11469 if (result == GameIsDrawn) {
11470 /* In case draw still needs to be claimed */
11471 SendToICS(ics_prefix);
11472 SendToICS("draw\n");
11473 } else if (StrCaseStr(resultDetails, "resign")) {
11474 SendToICS(ics_prefix);
11475 SendToICS("resign\n");
11479 endingGame = 0; /* [HGM] crash */
11483 /* If we're loading the game from a file, stop */
11484 if (whosays == GE_FILE) {
11485 (void) StopLoadGameTimer();
11489 /* Cancel draw offers */
11490 first.offeredDraw = second.offeredDraw = 0;
11492 /* If this is an ICS game, only ICS can really say it's done;
11493 if not, anyone can. */
11494 isIcsGame = (gameMode == IcsPlayingWhite ||
11495 gameMode == IcsPlayingBlack ||
11496 gameMode == IcsObserving ||
11497 gameMode == IcsExamining);
11499 if (!isIcsGame || whosays == GE_ICS) {
11500 /* OK -- not an ICS game, or ICS said it was done */
11502 if (!isIcsGame && !appData.noChessProgram)
11503 SetUserThinkingEnables();
11505 /* [HGM] if a machine claims the game end we verify this claim */
11506 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11507 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11509 ChessMove trueResult = (ChessMove) -1;
11511 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11512 first.twoMachinesColor[0] :
11513 second.twoMachinesColor[0] ;
11515 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11516 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11517 /* [HGM] verify: engine mate claims accepted if they were flagged */
11518 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11520 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11521 /* [HGM] verify: engine mate claims accepted if they were flagged */
11522 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11524 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11525 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11528 // now verify win claims, but not in drop games, as we don't understand those yet
11529 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11530 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11531 (result == WhiteWins && claimer == 'w' ||
11532 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11533 if (appData.debugMode) {
11534 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11535 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11537 if(result != trueResult) {
11538 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11539 result = claimer == 'w' ? BlackWins : WhiteWins;
11540 resultDetails = buf;
11543 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11544 && (forwardMostMove <= backwardMostMove ||
11545 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11546 (claimer=='b')==(forwardMostMove&1))
11548 /* [HGM] verify: draws that were not flagged are false claims */
11549 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11550 result = claimer == 'w' ? BlackWins : WhiteWins;
11551 resultDetails = buf;
11553 /* (Claiming a loss is accepted no questions asked!) */
11554 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11555 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11556 result = GameUnfinished;
11557 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11559 /* [HGM] bare: don't allow bare King to win */
11560 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11561 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11562 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11563 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11564 && result != GameIsDrawn)
11565 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11566 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11567 int p = (signed char)boards[forwardMostMove][i][j] - color;
11568 if(p >= 0 && p <= (int)WhiteKing) k++;
11569 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11571 if (appData.debugMode) {
11572 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11573 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11575 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11576 result = GameIsDrawn;
11577 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11578 resultDetails = buf;
11584 if(serverMoves != NULL && !loadFlag) { char c = '=';
11585 if(result==WhiteWins) c = '+';
11586 if(result==BlackWins) c = '-';
11587 if(resultDetails != NULL)
11588 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11590 if (resultDetails != NULL) {
11591 gameInfo.result = result;
11592 gameInfo.resultDetails = StrSave(resultDetails);
11594 /* display last move only if game was not loaded from file */
11595 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11596 DisplayMove(currentMove - 1);
11598 if (forwardMostMove != 0) {
11599 if (gameMode != PlayFromGameFile && gameMode != EditGame
11600 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11602 if (*appData.saveGameFile != NULLCHAR) {
11603 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11604 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11606 SaveGameToFile(appData.saveGameFile, TRUE);
11607 } else if (appData.autoSaveGames) {
11608 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11610 if (*appData.savePositionFile != NULLCHAR) {
11611 SavePositionToFile(appData.savePositionFile);
11613 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11617 /* Tell program how game ended in case it is learning */
11618 /* [HGM] Moved this to after saving the PGN, just in case */
11619 /* engine died and we got here through time loss. In that */
11620 /* case we will get a fatal error writing the pipe, which */
11621 /* would otherwise lose us the PGN. */
11622 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11623 /* output during GameEnds should never be fatal anymore */
11624 if (gameMode == MachinePlaysWhite ||
11625 gameMode == MachinePlaysBlack ||
11626 gameMode == TwoMachinesPlay ||
11627 gameMode == IcsPlayingWhite ||
11628 gameMode == IcsPlayingBlack ||
11629 gameMode == BeginningOfGame) {
11631 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11633 if (first.pr != NoProc) {
11634 SendToProgram(buf, &first);
11636 if (second.pr != NoProc &&
11637 gameMode == TwoMachinesPlay) {
11638 SendToProgram(buf, &second);
11643 if (appData.icsActive) {
11644 if (appData.quietPlay &&
11645 (gameMode == IcsPlayingWhite ||
11646 gameMode == IcsPlayingBlack)) {
11647 SendToICS(ics_prefix);
11648 SendToICS("set shout 1\n");
11650 nextGameMode = IcsIdle;
11651 ics_user_moved = FALSE;
11652 /* clean up premove. It's ugly when the game has ended and the
11653 * premove highlights are still on the board.
11656 gotPremove = FALSE;
11657 ClearPremoveHighlights();
11658 DrawPosition(FALSE, boards[currentMove]);
11660 if (whosays == GE_ICS) {
11663 if (gameMode == IcsPlayingWhite)
11665 else if(gameMode == IcsPlayingBlack)
11666 PlayIcsLossSound();
11669 if (gameMode == IcsPlayingBlack)
11671 else if(gameMode == IcsPlayingWhite)
11672 PlayIcsLossSound();
11675 PlayIcsDrawSound();
11678 PlayIcsUnfinishedSound();
11681 if(appData.quitNext) { ExitEvent(0); return; }
11682 } else if (gameMode == EditGame ||
11683 gameMode == PlayFromGameFile ||
11684 gameMode == AnalyzeMode ||
11685 gameMode == AnalyzeFile) {
11686 nextGameMode = gameMode;
11688 nextGameMode = EndOfGame;
11693 nextGameMode = gameMode;
11696 if (appData.noChessProgram) {
11697 gameMode = nextGameMode;
11699 endingGame = 0; /* [HGM] crash */
11704 /* Put first chess program into idle state */
11705 if (first.pr != NoProc &&
11706 (gameMode == MachinePlaysWhite ||
11707 gameMode == MachinePlaysBlack ||
11708 gameMode == TwoMachinesPlay ||
11709 gameMode == IcsPlayingWhite ||
11710 gameMode == IcsPlayingBlack ||
11711 gameMode == BeginningOfGame)) {
11712 SendToProgram("force\n", &first);
11713 if (first.usePing) {
11715 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11716 SendToProgram(buf, &first);
11719 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11720 /* Kill off first chess program */
11721 if (first.isr != NULL)
11722 RemoveInputSource(first.isr);
11725 if (first.pr != NoProc) {
11727 DoSleep( appData.delayBeforeQuit );
11728 SendToProgram("quit\n", &first);
11729 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11730 first.reload = TRUE;
11734 if (second.reuse) {
11735 /* Put second chess program into idle state */
11736 if (second.pr != NoProc &&
11737 gameMode == TwoMachinesPlay) {
11738 SendToProgram("force\n", &second);
11739 if (second.usePing) {
11741 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11742 SendToProgram(buf, &second);
11745 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11746 /* Kill off second chess program */
11747 if (second.isr != NULL)
11748 RemoveInputSource(second.isr);
11751 if (second.pr != NoProc) {
11752 DoSleep( appData.delayBeforeQuit );
11753 SendToProgram("quit\n", &second);
11754 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11755 second.reload = TRUE;
11757 second.pr = NoProc;
11760 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11761 char resChar = '=';
11765 if (first.twoMachinesColor[0] == 'w') {
11768 second.matchWins++;
11773 if (first.twoMachinesColor[0] == 'b') {
11776 second.matchWins++;
11779 case GameUnfinished:
11785 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11786 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11787 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11788 ReserveGame(nextGame, resChar); // sets nextGame
11789 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11790 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11791 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11793 if (nextGame <= appData.matchGames && !abortMatch) {
11794 gameMode = nextGameMode;
11795 matchGame = nextGame; // this will be overruled in tourney mode!
11796 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11797 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11798 endingGame = 0; /* [HGM] crash */
11801 gameMode = nextGameMode;
11802 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11803 first.tidy, second.tidy,
11804 first.matchWins, second.matchWins,
11805 appData.matchGames - (first.matchWins + second.matchWins));
11806 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11807 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11808 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11809 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11810 first.twoMachinesColor = "black\n";
11811 second.twoMachinesColor = "white\n";
11813 first.twoMachinesColor = "white\n";
11814 second.twoMachinesColor = "black\n";
11818 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11819 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11821 gameMode = nextGameMode;
11823 endingGame = 0; /* [HGM] crash */
11824 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11825 if(matchMode == TRUE) { // match through command line: exit with or without popup
11827 ToNrEvent(forwardMostMove);
11828 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11830 } else DisplayFatalError(buf, 0, 0);
11831 } else { // match through menu; just stop, with or without popup
11832 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11835 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11836 } else DisplayNote(buf);
11838 if(ranking) free(ranking);
11842 /* Assumes program was just initialized (initString sent).
11843 Leaves program in force mode. */
11845 FeedMovesToProgram (ChessProgramState *cps, int upto)
11849 if (appData.debugMode)
11850 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11851 startedFromSetupPosition ? "position and " : "",
11852 backwardMostMove, upto, cps->which);
11853 if(currentlyInitializedVariant != gameInfo.variant) {
11855 // [HGM] variantswitch: make engine aware of new variant
11856 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11857 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11858 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11859 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11860 SendToProgram(buf, cps);
11861 currentlyInitializedVariant = gameInfo.variant;
11863 SendToProgram("force\n", cps);
11864 if (startedFromSetupPosition) {
11865 SendBoard(cps, backwardMostMove);
11866 if (appData.debugMode) {
11867 fprintf(debugFP, "feedMoves\n");
11870 for (i = backwardMostMove; i < upto; i++) {
11871 SendMoveToProgram(i, cps);
11877 ResurrectChessProgram ()
11879 /* The chess program may have exited.
11880 If so, restart it and feed it all the moves made so far. */
11881 static int doInit = 0;
11883 if (appData.noChessProgram) return 1;
11885 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11886 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11887 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11888 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11890 if (first.pr != NoProc) return 1;
11891 StartChessProgram(&first);
11893 InitChessProgram(&first, FALSE);
11894 FeedMovesToProgram(&first, currentMove);
11896 if (!first.sendTime) {
11897 /* can't tell gnuchess what its clock should read,
11898 so we bow to its notion. */
11900 timeRemaining[0][currentMove] = whiteTimeRemaining;
11901 timeRemaining[1][currentMove] = blackTimeRemaining;
11904 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11905 appData.icsEngineAnalyze) && first.analysisSupport) {
11906 SendToProgram("analyze\n", &first);
11907 first.analyzing = TRUE;
11913 * Button procedures
11916 Reset (int redraw, int init)
11920 if (appData.debugMode) {
11921 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11922 redraw, init, gameMode);
11924 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11925 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11926 CleanupTail(); // [HGM] vari: delete any stored variations
11927 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11928 pausing = pauseExamInvalid = FALSE;
11929 startedFromSetupPosition = blackPlaysFirst = FALSE;
11931 whiteFlag = blackFlag = FALSE;
11932 userOfferedDraw = FALSE;
11933 hintRequested = bookRequested = FALSE;
11934 first.maybeThinking = FALSE;
11935 second.maybeThinking = FALSE;
11936 first.bookSuspend = FALSE; // [HGM] book
11937 second.bookSuspend = FALSE;
11938 thinkOutput[0] = NULLCHAR;
11939 lastHint[0] = NULLCHAR;
11940 ClearGameInfo(&gameInfo);
11941 gameInfo.variant = StringToVariant(appData.variant);
11942 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11943 ics_user_moved = ics_clock_paused = FALSE;
11944 ics_getting_history = H_FALSE;
11946 white_holding[0] = black_holding[0] = NULLCHAR;
11947 ClearProgramStats();
11948 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11952 flipView = appData.flipView;
11953 ClearPremoveHighlights();
11954 gotPremove = FALSE;
11955 alarmSounded = FALSE;
11956 killX = killY = -1; // [HGM] lion
11958 GameEnds(EndOfFile, NULL, GE_PLAYER);
11959 if(appData.serverMovesName != NULL) {
11960 /* [HGM] prepare to make moves file for broadcasting */
11961 clock_t t = clock();
11962 if(serverMoves != NULL) fclose(serverMoves);
11963 serverMoves = fopen(appData.serverMovesName, "r");
11964 if(serverMoves != NULL) {
11965 fclose(serverMoves);
11966 /* delay 15 sec before overwriting, so all clients can see end */
11967 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11969 serverMoves = fopen(appData.serverMovesName, "w");
11973 gameMode = BeginningOfGame;
11975 if(appData.icsActive) gameInfo.variant = VariantNormal;
11976 currentMove = forwardMostMove = backwardMostMove = 0;
11977 MarkTargetSquares(1);
11978 InitPosition(redraw);
11979 for (i = 0; i < MAX_MOVES; i++) {
11980 if (commentList[i] != NULL) {
11981 free(commentList[i]);
11982 commentList[i] = NULL;
11986 timeRemaining[0][0] = whiteTimeRemaining;
11987 timeRemaining[1][0] = blackTimeRemaining;
11989 if (first.pr == NoProc) {
11990 StartChessProgram(&first);
11993 InitChessProgram(&first, startedFromSetupPosition);
11996 DisplayMessage("", "");
11997 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11998 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11999 ClearMap(); // [HGM] exclude: invalidate map
12003 AutoPlayGameLoop ()
12006 if (!AutoPlayOneMove())
12008 if (matchMode || appData.timeDelay == 0)
12010 if (appData.timeDelay < 0)
12012 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12020 ReloadGame(1); // next game
12026 int fromX, fromY, toX, toY;
12028 if (appData.debugMode) {
12029 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12032 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12035 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12036 pvInfoList[currentMove].depth = programStats.depth;
12037 pvInfoList[currentMove].score = programStats.score;
12038 pvInfoList[currentMove].time = 0;
12039 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12040 else { // append analysis of final position as comment
12042 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12043 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12045 programStats.depth = 0;
12048 if (currentMove >= forwardMostMove) {
12049 if(gameMode == AnalyzeFile) {
12050 if(appData.loadGameIndex == -1) {
12051 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12052 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12054 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12057 // gameMode = EndOfGame;
12058 // ModeHighlight();
12060 /* [AS] Clear current move marker at the end of a game */
12061 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12066 toX = moveList[currentMove][2] - AAA;
12067 toY = moveList[currentMove][3] - ONE;
12069 if (moveList[currentMove][1] == '@') {
12070 if (appData.highlightLastMove) {
12071 SetHighlights(-1, -1, toX, toY);
12074 int viaX = moveList[currentMove][5] - AAA;
12075 int viaY = moveList[currentMove][6] - ONE;
12076 fromX = moveList[currentMove][0] - AAA;
12077 fromY = moveList[currentMove][1] - ONE;
12079 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12081 if(moveList[currentMove][4] == ';') { // multi-leg
12082 ChessSquare piece = boards[currentMove][viaY][viaX];
12083 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12084 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12085 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12086 boards[currentMove][viaY][viaX] = piece;
12088 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12090 if (appData.highlightLastMove) {
12091 SetHighlights(fromX, fromY, toX, toY);
12094 DisplayMove(currentMove);
12095 SendMoveToProgram(currentMove++, &first);
12096 DisplayBothClocks();
12097 DrawPosition(FALSE, boards[currentMove]);
12098 // [HGM] PV info: always display, routine tests if empty
12099 DisplayComment(currentMove - 1, commentList[currentMove]);
12105 LoadGameOneMove (ChessMove readAhead)
12107 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12108 char promoChar = NULLCHAR;
12109 ChessMove moveType;
12110 char move[MSG_SIZ];
12113 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12114 gameMode != AnalyzeMode && gameMode != Training) {
12119 yyboardindex = forwardMostMove;
12120 if (readAhead != EndOfFile) {
12121 moveType = readAhead;
12123 if (gameFileFP == NULL)
12125 moveType = (ChessMove) Myylex();
12129 switch (moveType) {
12131 if (appData.debugMode)
12132 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12135 /* append the comment but don't display it */
12136 AppendComment(currentMove, p, FALSE);
12139 case WhiteCapturesEnPassant:
12140 case BlackCapturesEnPassant:
12141 case WhitePromotion:
12142 case BlackPromotion:
12143 case WhiteNonPromotion:
12144 case BlackNonPromotion:
12147 case WhiteKingSideCastle:
12148 case WhiteQueenSideCastle:
12149 case BlackKingSideCastle:
12150 case BlackQueenSideCastle:
12151 case WhiteKingSideCastleWild:
12152 case WhiteQueenSideCastleWild:
12153 case BlackKingSideCastleWild:
12154 case BlackQueenSideCastleWild:
12156 case WhiteHSideCastleFR:
12157 case WhiteASideCastleFR:
12158 case BlackHSideCastleFR:
12159 case BlackASideCastleFR:
12161 if (appData.debugMode)
12162 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12163 fromX = currentMoveString[0] - AAA;
12164 fromY = currentMoveString[1] - ONE;
12165 toX = currentMoveString[2] - AAA;
12166 toY = currentMoveString[3] - ONE;
12167 promoChar = currentMoveString[4];
12168 if(promoChar == ';') promoChar = currentMoveString[7];
12173 if (appData.debugMode)
12174 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12175 fromX = moveType == WhiteDrop ?
12176 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12177 (int) CharToPiece(ToLower(currentMoveString[0]));
12179 toX = currentMoveString[2] - AAA;
12180 toY = currentMoveString[3] - ONE;
12186 case GameUnfinished:
12187 if (appData.debugMode)
12188 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12189 p = strchr(yy_text, '{');
12190 if (p == NULL) p = strchr(yy_text, '(');
12193 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12195 q = strchr(p, *p == '{' ? '}' : ')');
12196 if (q != NULL) *q = NULLCHAR;
12199 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12200 GameEnds(moveType, p, GE_FILE);
12202 if (cmailMsgLoaded) {
12204 flipView = WhiteOnMove(currentMove);
12205 if (moveType == GameUnfinished) flipView = !flipView;
12206 if (appData.debugMode)
12207 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12212 if (appData.debugMode)
12213 fprintf(debugFP, "Parser hit end of file\n");
12214 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12220 if (WhiteOnMove(currentMove)) {
12221 GameEnds(BlackWins, "Black mates", GE_FILE);
12223 GameEnds(WhiteWins, "White mates", GE_FILE);
12227 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12233 case MoveNumberOne:
12234 if (lastLoadGameStart == GNUChessGame) {
12235 /* GNUChessGames have numbers, but they aren't move numbers */
12236 if (appData.debugMode)
12237 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12238 yy_text, (int) moveType);
12239 return LoadGameOneMove(EndOfFile); /* tail recursion */
12241 /* else fall thru */
12246 /* Reached start of next game in file */
12247 if (appData.debugMode)
12248 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12249 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12255 if (WhiteOnMove(currentMove)) {
12256 GameEnds(BlackWins, "Black mates", GE_FILE);
12258 GameEnds(WhiteWins, "White mates", GE_FILE);
12262 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12268 case PositionDiagram: /* should not happen; ignore */
12269 case ElapsedTime: /* ignore */
12270 case NAG: /* ignore */
12271 if (appData.debugMode)
12272 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12273 yy_text, (int) moveType);
12274 return LoadGameOneMove(EndOfFile); /* tail recursion */
12277 if (appData.testLegality) {
12278 if (appData.debugMode)
12279 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12280 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12281 (forwardMostMove / 2) + 1,
12282 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12283 DisplayError(move, 0);
12286 if (appData.debugMode)
12287 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12288 yy_text, currentMoveString);
12289 if(currentMoveString[1] == '@') {
12290 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12293 fromX = currentMoveString[0] - AAA;
12294 fromY = currentMoveString[1] - ONE;
12296 toX = currentMoveString[2] - AAA;
12297 toY = currentMoveString[3] - ONE;
12298 promoChar = currentMoveString[4];
12302 case AmbiguousMove:
12303 if (appData.debugMode)
12304 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12305 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12306 (forwardMostMove / 2) + 1,
12307 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12308 DisplayError(move, 0);
12313 case ImpossibleMove:
12314 if (appData.debugMode)
12315 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12316 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12317 (forwardMostMove / 2) + 1,
12318 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12319 DisplayError(move, 0);
12325 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12326 DrawPosition(FALSE, boards[currentMove]);
12327 DisplayBothClocks();
12328 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12329 DisplayComment(currentMove - 1, commentList[currentMove]);
12331 (void) StopLoadGameTimer();
12333 cmailOldMove = forwardMostMove;
12336 /* currentMoveString is set as a side-effect of yylex */
12338 thinkOutput[0] = NULLCHAR;
12339 MakeMove(fromX, fromY, toX, toY, promoChar);
12340 killX = killY = -1; // [HGM] lion: used up
12341 currentMove = forwardMostMove;
12346 /* Load the nth game from the given file */
12348 LoadGameFromFile (char *filename, int n, char *title, int useList)
12353 if (strcmp(filename, "-") == 0) {
12357 f = fopen(filename, "rb");
12359 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12360 DisplayError(buf, errno);
12364 if (fseek(f, 0, 0) == -1) {
12365 /* f is not seekable; probably a pipe */
12368 if (useList && n == 0) {
12369 int error = GameListBuild(f);
12371 DisplayError(_("Cannot build game list"), error);
12372 } else if (!ListEmpty(&gameList) &&
12373 ((ListGame *) gameList.tailPred)->number > 1) {
12374 GameListPopUp(f, title);
12381 return LoadGame(f, n, title, FALSE);
12386 MakeRegisteredMove ()
12388 int fromX, fromY, toX, toY;
12390 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12391 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12394 if (appData.debugMode)
12395 fprintf(debugFP, "Restoring %s for game %d\n",
12396 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12398 thinkOutput[0] = NULLCHAR;
12399 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12400 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12401 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12402 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12403 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12404 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12405 MakeMove(fromX, fromY, toX, toY, promoChar);
12406 ShowMove(fromX, fromY, toX, toY);
12408 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12415 if (WhiteOnMove(currentMove)) {
12416 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12418 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12423 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12430 if (WhiteOnMove(currentMove)) {
12431 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12433 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12438 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12449 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12451 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12455 if (gameNumber > nCmailGames) {
12456 DisplayError(_("No more games in this message"), 0);
12459 if (f == lastLoadGameFP) {
12460 int offset = gameNumber - lastLoadGameNumber;
12462 cmailMsg[0] = NULLCHAR;
12463 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12464 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12465 nCmailMovesRegistered--;
12467 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12468 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12469 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12472 if (! RegisterMove()) return FALSE;
12476 retVal = LoadGame(f, gameNumber, title, useList);
12478 /* Make move registered during previous look at this game, if any */
12479 MakeRegisteredMove();
12481 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12482 commentList[currentMove]
12483 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12484 DisplayComment(currentMove - 1, commentList[currentMove]);
12490 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12492 ReloadGame (int offset)
12494 int gameNumber = lastLoadGameNumber + offset;
12495 if (lastLoadGameFP == NULL) {
12496 DisplayError(_("No game has been loaded yet"), 0);
12499 if (gameNumber <= 0) {
12500 DisplayError(_("Can't back up any further"), 0);
12503 if (cmailMsgLoaded) {
12504 return CmailLoadGame(lastLoadGameFP, gameNumber,
12505 lastLoadGameTitle, lastLoadGameUseList);
12507 return LoadGame(lastLoadGameFP, gameNumber,
12508 lastLoadGameTitle, lastLoadGameUseList);
12512 int keys[EmptySquare+1];
12515 PositionMatches (Board b1, Board b2)
12518 switch(appData.searchMode) {
12519 case 1: return CompareWithRights(b1, b2);
12521 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12522 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12526 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12527 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12528 sum += keys[b1[r][f]] - keys[b2[r][f]];
12532 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12533 sum += keys[b1[r][f]] - keys[b2[r][f]];
12545 int pieceList[256], quickBoard[256];
12546 ChessSquare pieceType[256] = { EmptySquare };
12547 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12548 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12549 int soughtTotal, turn;
12550 Boolean epOK, flipSearch;
12553 unsigned char piece, to;
12556 #define DSIZE (250000)
12558 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12559 Move *moveDatabase = initialSpace;
12560 unsigned int movePtr, dataSize = DSIZE;
12563 MakePieceList (Board board, int *counts)
12565 int r, f, n=Q_PROMO, total=0;
12566 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12567 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12568 int sq = f + (r<<4);
12569 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12570 quickBoard[sq] = ++n;
12572 pieceType[n] = board[r][f];
12573 counts[board[r][f]]++;
12574 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12575 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12579 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12584 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12586 int sq = fromX + (fromY<<4);
12587 int piece = quickBoard[sq], rook;
12588 quickBoard[sq] = 0;
12589 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12590 if(piece == pieceList[1] && fromY == toY) {
12591 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12592 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12593 moveDatabase[movePtr++].piece = Q_WCASTL;
12594 quickBoard[sq] = piece;
12595 piece = quickBoard[from]; quickBoard[from] = 0;
12596 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12597 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12598 quickBoard[sq] = 0; // remove Rook
12599 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12600 moveDatabase[movePtr++].piece = Q_WCASTL;
12601 quickBoard[sq] = pieceList[1]; // put King
12603 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12606 if(piece == pieceList[2] && fromY == toY) {
12607 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12608 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12609 moveDatabase[movePtr++].piece = Q_BCASTL;
12610 quickBoard[sq] = piece;
12611 piece = quickBoard[from]; quickBoard[from] = 0;
12612 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12613 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12614 quickBoard[sq] = 0; // remove Rook
12615 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12616 moveDatabase[movePtr++].piece = Q_BCASTL;
12617 quickBoard[sq] = pieceList[2]; // put King
12619 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12622 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12623 quickBoard[(fromY<<4)+toX] = 0;
12624 moveDatabase[movePtr].piece = Q_EP;
12625 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12626 moveDatabase[movePtr].to = sq;
12628 if(promoPiece != pieceType[piece]) {
12629 moveDatabase[movePtr++].piece = Q_PROMO;
12630 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12632 moveDatabase[movePtr].piece = piece;
12633 quickBoard[sq] = piece;
12638 PackGame (Board board)
12640 Move *newSpace = NULL;
12641 moveDatabase[movePtr].piece = 0; // terminate previous game
12642 if(movePtr > dataSize) {
12643 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12644 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12645 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12648 Move *p = moveDatabase, *q = newSpace;
12649 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12650 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12651 moveDatabase = newSpace;
12652 } else { // calloc failed, we must be out of memory. Too bad...
12653 dataSize = 0; // prevent calloc events for all subsequent games
12654 return 0; // and signal this one isn't cached
12658 MakePieceList(board, counts);
12663 QuickCompare (Board board, int *minCounts, int *maxCounts)
12664 { // compare according to search mode
12666 switch(appData.searchMode)
12668 case 1: // exact position match
12669 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12670 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12671 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12674 case 2: // can have extra material on empty squares
12675 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12676 if(board[r][f] == EmptySquare) continue;
12677 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12680 case 3: // material with exact Pawn structure
12681 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12682 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12683 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12684 } // fall through to material comparison
12685 case 4: // exact material
12686 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12688 case 6: // material range with given imbalance
12689 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12690 // fall through to range comparison
12691 case 5: // material range
12692 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12698 QuickScan (Board board, Move *move)
12699 { // reconstruct game,and compare all positions in it
12700 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12702 int piece = move->piece;
12703 int to = move->to, from = pieceList[piece];
12704 if(found < 0) { // if already found just scan to game end for final piece count
12705 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12706 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12707 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12708 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12710 static int lastCounts[EmptySquare+1];
12712 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12713 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12714 } else stretch = 0;
12715 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12716 if(found >= 0 && !appData.minPieces) return found;
12718 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12719 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12720 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12721 piece = (++move)->piece;
12722 from = pieceList[piece];
12723 counts[pieceType[piece]]--;
12724 pieceType[piece] = (ChessSquare) move->to;
12725 counts[move->to]++;
12726 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12727 counts[pieceType[quickBoard[to]]]--;
12728 quickBoard[to] = 0; total--;
12731 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12732 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12733 from = pieceList[piece]; // so this must be King
12734 quickBoard[from] = 0;
12735 pieceList[piece] = to;
12736 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12737 quickBoard[from] = 0; // rook
12738 quickBoard[to] = piece;
12739 to = move->to; piece = move->piece;
12743 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12744 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12745 quickBoard[from] = 0;
12747 quickBoard[to] = piece;
12748 pieceList[piece] = to;
12758 flipSearch = FALSE;
12759 CopyBoard(soughtBoard, boards[currentMove]);
12760 soughtTotal = MakePieceList(soughtBoard, maxSought);
12761 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12762 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12763 CopyBoard(reverseBoard, boards[currentMove]);
12764 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12765 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12766 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12767 reverseBoard[r][f] = piece;
12769 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12770 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12771 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12772 || (boards[currentMove][CASTLING][2] == NoRights ||
12773 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12774 && (boards[currentMove][CASTLING][5] == NoRights ||
12775 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12778 CopyBoard(flipBoard, soughtBoard);
12779 CopyBoard(rotateBoard, reverseBoard);
12780 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12781 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12782 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12785 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12786 if(appData.searchMode >= 5) {
12787 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12788 MakePieceList(soughtBoard, minSought);
12789 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12791 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12792 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12795 GameInfo dummyInfo;
12796 static int creatingBook;
12799 GameContainsPosition (FILE *f, ListGame *lg)
12801 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12802 int fromX, fromY, toX, toY;
12804 static int initDone=FALSE;
12806 // weed out games based on numerical tag comparison
12807 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12808 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12809 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12810 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12812 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12815 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12816 else CopyBoard(boards[scratch], initialPosition); // default start position
12819 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12820 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12823 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12824 fseek(f, lg->offset, 0);
12827 yyboardindex = scratch;
12828 quickFlag = plyNr+1;
12833 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12839 if(plyNr) return -1; // after we have seen moves, this is for new game
12842 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12843 case ImpossibleMove:
12844 case WhiteWins: // game ends here with these four
12847 case GameUnfinished:
12851 if(appData.testLegality) return -1;
12852 case WhiteCapturesEnPassant:
12853 case BlackCapturesEnPassant:
12854 case WhitePromotion:
12855 case BlackPromotion:
12856 case WhiteNonPromotion:
12857 case BlackNonPromotion:
12860 case WhiteKingSideCastle:
12861 case WhiteQueenSideCastle:
12862 case BlackKingSideCastle:
12863 case BlackQueenSideCastle:
12864 case WhiteKingSideCastleWild:
12865 case WhiteQueenSideCastleWild:
12866 case BlackKingSideCastleWild:
12867 case BlackQueenSideCastleWild:
12868 case WhiteHSideCastleFR:
12869 case WhiteASideCastleFR:
12870 case BlackHSideCastleFR:
12871 case BlackASideCastleFR:
12872 fromX = currentMoveString[0] - AAA;
12873 fromY = currentMoveString[1] - ONE;
12874 toX = currentMoveString[2] - AAA;
12875 toY = currentMoveString[3] - ONE;
12876 promoChar = currentMoveString[4];
12880 fromX = next == WhiteDrop ?
12881 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12882 (int) CharToPiece(ToLower(currentMoveString[0]));
12884 toX = currentMoveString[2] - AAA;
12885 toY = currentMoveString[3] - ONE;
12889 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12891 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12892 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12893 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12894 if(appData.findMirror) {
12895 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12896 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12901 /* Load the nth game from open file f */
12903 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12907 int gn = gameNumber;
12908 ListGame *lg = NULL;
12909 int numPGNTags = 0;
12911 GameMode oldGameMode;
12912 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12913 char oldName[MSG_SIZ];
12915 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12917 if (appData.debugMode)
12918 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12920 if (gameMode == Training )
12921 SetTrainingModeOff();
12923 oldGameMode = gameMode;
12924 if (gameMode != BeginningOfGame) {
12925 Reset(FALSE, TRUE);
12927 killX = killY = -1; // [HGM] lion: in case we did not Reset
12930 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12931 fclose(lastLoadGameFP);
12935 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12938 fseek(f, lg->offset, 0);
12939 GameListHighlight(gameNumber);
12940 pos = lg->position;
12944 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12945 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12947 DisplayError(_("Game number out of range"), 0);
12952 if (fseek(f, 0, 0) == -1) {
12953 if (f == lastLoadGameFP ?
12954 gameNumber == lastLoadGameNumber + 1 :
12958 DisplayError(_("Can't seek on game file"), 0);
12963 lastLoadGameFP = f;
12964 lastLoadGameNumber = gameNumber;
12965 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12966 lastLoadGameUseList = useList;
12970 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12971 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12972 lg->gameInfo.black);
12974 } else if (*title != NULLCHAR) {
12975 if (gameNumber > 1) {
12976 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12979 DisplayTitle(title);
12983 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12984 gameMode = PlayFromGameFile;
12988 currentMove = forwardMostMove = backwardMostMove = 0;
12989 CopyBoard(boards[0], initialPosition);
12993 * Skip the first gn-1 games in the file.
12994 * Also skip over anything that precedes an identifiable
12995 * start of game marker, to avoid being confused by
12996 * garbage at the start of the file. Currently
12997 * recognized start of game markers are the move number "1",
12998 * the pattern "gnuchess .* game", the pattern
12999 * "^[#;%] [^ ]* game file", and a PGN tag block.
13000 * A game that starts with one of the latter two patterns
13001 * will also have a move number 1, possibly
13002 * following a position diagram.
13003 * 5-4-02: Let's try being more lenient and allowing a game to
13004 * start with an unnumbered move. Does that break anything?
13006 cm = lastLoadGameStart = EndOfFile;
13008 yyboardindex = forwardMostMove;
13009 cm = (ChessMove) Myylex();
13012 if (cmailMsgLoaded) {
13013 nCmailGames = CMAIL_MAX_GAMES - gn;
13016 DisplayError(_("Game not found in file"), 0);
13023 lastLoadGameStart = cm;
13026 case MoveNumberOne:
13027 switch (lastLoadGameStart) {
13032 case MoveNumberOne:
13034 gn--; /* count this game */
13035 lastLoadGameStart = cm;
13044 switch (lastLoadGameStart) {
13047 case MoveNumberOne:
13049 gn--; /* count this game */
13050 lastLoadGameStart = cm;
13053 lastLoadGameStart = cm; /* game counted already */
13061 yyboardindex = forwardMostMove;
13062 cm = (ChessMove) Myylex();
13063 } while (cm == PGNTag || cm == Comment);
13070 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13071 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13072 != CMAIL_OLD_RESULT) {
13074 cmailResult[ CMAIL_MAX_GAMES
13075 - gn - 1] = CMAIL_OLD_RESULT;
13082 /* Only a NormalMove can be at the start of a game
13083 * without a position diagram. */
13084 if (lastLoadGameStart == EndOfFile ) {
13086 lastLoadGameStart = MoveNumberOne;
13095 if (appData.debugMode)
13096 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13098 if (cm == XBoardGame) {
13099 /* Skip any header junk before position diagram and/or move 1 */
13101 yyboardindex = forwardMostMove;
13102 cm = (ChessMove) Myylex();
13104 if (cm == EndOfFile ||
13105 cm == GNUChessGame || cm == XBoardGame) {
13106 /* Empty game; pretend end-of-file and handle later */
13111 if (cm == MoveNumberOne || cm == PositionDiagram ||
13112 cm == PGNTag || cm == Comment)
13115 } else if (cm == GNUChessGame) {
13116 if (gameInfo.event != NULL) {
13117 free(gameInfo.event);
13119 gameInfo.event = StrSave(yy_text);
13122 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13123 while (cm == PGNTag) {
13124 if (appData.debugMode)
13125 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13126 err = ParsePGNTag(yy_text, &gameInfo);
13127 if (!err) numPGNTags++;
13129 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13130 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13131 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13132 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13133 InitPosition(TRUE);
13134 oldVariant = gameInfo.variant;
13135 if (appData.debugMode)
13136 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13140 if (gameInfo.fen != NULL) {
13141 Board initial_position;
13142 startedFromSetupPosition = TRUE;
13143 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13145 DisplayError(_("Bad FEN position in file"), 0);
13148 CopyBoard(boards[0], initial_position);
13149 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13150 CopyBoard(initialPosition, initial_position);
13151 if (blackPlaysFirst) {
13152 currentMove = forwardMostMove = backwardMostMove = 1;
13153 CopyBoard(boards[1], initial_position);
13154 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13155 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13156 timeRemaining[0][1] = whiteTimeRemaining;
13157 timeRemaining[1][1] = blackTimeRemaining;
13158 if (commentList[0] != NULL) {
13159 commentList[1] = commentList[0];
13160 commentList[0] = NULL;
13163 currentMove = forwardMostMove = backwardMostMove = 0;
13165 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13167 initialRulePlies = FENrulePlies;
13168 for( i=0; i< nrCastlingRights; i++ )
13169 initialRights[i] = initial_position[CASTLING][i];
13171 yyboardindex = forwardMostMove;
13172 free(gameInfo.fen);
13173 gameInfo.fen = NULL;
13176 yyboardindex = forwardMostMove;
13177 cm = (ChessMove) Myylex();
13179 /* Handle comments interspersed among the tags */
13180 while (cm == Comment) {
13182 if (appData.debugMode)
13183 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13185 AppendComment(currentMove, p, FALSE);
13186 yyboardindex = forwardMostMove;
13187 cm = (ChessMove) Myylex();
13191 /* don't rely on existence of Event tag since if game was
13192 * pasted from clipboard the Event tag may not exist
13194 if (numPGNTags > 0){
13196 if (gameInfo.variant == VariantNormal) {
13197 VariantClass v = StringToVariant(gameInfo.event);
13198 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13199 if(v < VariantShogi) gameInfo.variant = v;
13202 if( appData.autoDisplayTags ) {
13203 tags = PGNTags(&gameInfo);
13204 TagsPopUp(tags, CmailMsg());
13209 /* Make something up, but don't display it now */
13214 if (cm == PositionDiagram) {
13217 Board initial_position;
13219 if (appData.debugMode)
13220 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13222 if (!startedFromSetupPosition) {
13224 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13225 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13236 initial_position[i][j++] = CharToPiece(*p);
13239 while (*p == ' ' || *p == '\t' ||
13240 *p == '\n' || *p == '\r') p++;
13242 if (strncmp(p, "black", strlen("black"))==0)
13243 blackPlaysFirst = TRUE;
13245 blackPlaysFirst = FALSE;
13246 startedFromSetupPosition = TRUE;
13248 CopyBoard(boards[0], initial_position);
13249 if (blackPlaysFirst) {
13250 currentMove = forwardMostMove = backwardMostMove = 1;
13251 CopyBoard(boards[1], initial_position);
13252 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13253 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13254 timeRemaining[0][1] = whiteTimeRemaining;
13255 timeRemaining[1][1] = blackTimeRemaining;
13256 if (commentList[0] != NULL) {
13257 commentList[1] = commentList[0];
13258 commentList[0] = NULL;
13261 currentMove = forwardMostMove = backwardMostMove = 0;
13264 yyboardindex = forwardMostMove;
13265 cm = (ChessMove) Myylex();
13268 if(!creatingBook) {
13269 if (first.pr == NoProc) {
13270 StartChessProgram(&first);
13272 InitChessProgram(&first, FALSE);
13273 if(gameInfo.variant == VariantUnknown && *oldName) {
13274 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13275 gameInfo.variant = v;
13277 SendToProgram("force\n", &first);
13278 if (startedFromSetupPosition) {
13279 SendBoard(&first, forwardMostMove);
13280 if (appData.debugMode) {
13281 fprintf(debugFP, "Load Game\n");
13283 DisplayBothClocks();
13287 /* [HGM] server: flag to write setup moves in broadcast file as one */
13288 loadFlag = appData.suppressLoadMoves;
13290 while (cm == Comment) {
13292 if (appData.debugMode)
13293 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13295 AppendComment(currentMove, p, FALSE);
13296 yyboardindex = forwardMostMove;
13297 cm = (ChessMove) Myylex();
13300 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13301 cm == WhiteWins || cm == BlackWins ||
13302 cm == GameIsDrawn || cm == GameUnfinished) {
13303 DisplayMessage("", _("No moves in game"));
13304 if (cmailMsgLoaded) {
13305 if (appData.debugMode)
13306 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13310 DrawPosition(FALSE, boards[currentMove]);
13311 DisplayBothClocks();
13312 gameMode = EditGame;
13319 // [HGM] PV info: routine tests if comment empty
13320 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13321 DisplayComment(currentMove - 1, commentList[currentMove]);
13323 if (!matchMode && appData.timeDelay != 0)
13324 DrawPosition(FALSE, boards[currentMove]);
13326 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13327 programStats.ok_to_send = 1;
13330 /* if the first token after the PGN tags is a move
13331 * and not move number 1, retrieve it from the parser
13333 if (cm != MoveNumberOne)
13334 LoadGameOneMove(cm);
13336 /* load the remaining moves from the file */
13337 while (LoadGameOneMove(EndOfFile)) {
13338 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13339 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13342 /* rewind to the start of the game */
13343 currentMove = backwardMostMove;
13345 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13347 if (oldGameMode == AnalyzeFile) {
13348 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13349 AnalyzeFileEvent();
13351 if (oldGameMode == AnalyzeMode) {
13352 AnalyzeFileEvent();
13355 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13356 long int w, b; // [HGM] adjourn: restore saved clock times
13357 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13358 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13359 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13360 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13364 if(creatingBook) return TRUE;
13365 if (!matchMode && pos > 0) {
13366 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13368 if (matchMode || appData.timeDelay == 0) {
13370 } else if (appData.timeDelay > 0) {
13371 AutoPlayGameLoop();
13374 if (appData.debugMode)
13375 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13377 loadFlag = 0; /* [HGM] true game starts */
13381 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13383 ReloadPosition (int offset)
13385 int positionNumber = lastLoadPositionNumber + offset;
13386 if (lastLoadPositionFP == NULL) {
13387 DisplayError(_("No position has been loaded yet"), 0);
13390 if (positionNumber <= 0) {
13391 DisplayError(_("Can't back up any further"), 0);
13394 return LoadPosition(lastLoadPositionFP, positionNumber,
13395 lastLoadPositionTitle);
13398 /* Load the nth position from the given file */
13400 LoadPositionFromFile (char *filename, int n, char *title)
13405 if (strcmp(filename, "-") == 0) {
13406 return LoadPosition(stdin, n, "stdin");
13408 f = fopen(filename, "rb");
13410 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13411 DisplayError(buf, errno);
13414 return LoadPosition(f, n, title);
13419 /* Load the nth position from the given open file, and close it */
13421 LoadPosition (FILE *f, int positionNumber, char *title)
13423 char *p, line[MSG_SIZ];
13424 Board initial_position;
13425 int i, j, fenMode, pn;
13427 if (gameMode == Training )
13428 SetTrainingModeOff();
13430 if (gameMode != BeginningOfGame) {
13431 Reset(FALSE, TRUE);
13433 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13434 fclose(lastLoadPositionFP);
13436 if (positionNumber == 0) positionNumber = 1;
13437 lastLoadPositionFP = f;
13438 lastLoadPositionNumber = positionNumber;
13439 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13440 if (first.pr == NoProc && !appData.noChessProgram) {
13441 StartChessProgram(&first);
13442 InitChessProgram(&first, FALSE);
13444 pn = positionNumber;
13445 if (positionNumber < 0) {
13446 /* Negative position number means to seek to that byte offset */
13447 if (fseek(f, -positionNumber, 0) == -1) {
13448 DisplayError(_("Can't seek on position file"), 0);
13453 if (fseek(f, 0, 0) == -1) {
13454 if (f == lastLoadPositionFP ?
13455 positionNumber == lastLoadPositionNumber + 1 :
13456 positionNumber == 1) {
13459 DisplayError(_("Can't seek on position file"), 0);
13464 /* See if this file is FEN or old-style xboard */
13465 if (fgets(line, MSG_SIZ, f) == NULL) {
13466 DisplayError(_("Position not found in file"), 0);
13469 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13470 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13473 if (fenMode || line[0] == '#') pn--;
13475 /* skip positions before number pn */
13476 if (fgets(line, MSG_SIZ, f) == NULL) {
13478 DisplayError(_("Position not found in file"), 0);
13481 if (fenMode || line[0] == '#') pn--;
13487 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13488 DisplayError(_("Bad FEN position in file"), 0);
13491 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13492 sscanf(p+3, "%s", bestMove);
13493 } else *bestMove = NULLCHAR;
13495 (void) fgets(line, MSG_SIZ, f);
13496 (void) fgets(line, MSG_SIZ, f);
13498 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13499 (void) fgets(line, MSG_SIZ, f);
13500 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13503 initial_position[i][j++] = CharToPiece(*p);
13507 blackPlaysFirst = FALSE;
13509 (void) fgets(line, MSG_SIZ, f);
13510 if (strncmp(line, "black", strlen("black"))==0)
13511 blackPlaysFirst = TRUE;
13514 startedFromSetupPosition = TRUE;
13516 CopyBoard(boards[0], initial_position);
13517 if (blackPlaysFirst) {
13518 currentMove = forwardMostMove = backwardMostMove = 1;
13519 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13520 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13521 CopyBoard(boards[1], initial_position);
13522 DisplayMessage("", _("Black to play"));
13524 currentMove = forwardMostMove = backwardMostMove = 0;
13525 DisplayMessage("", _("White to play"));
13527 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13528 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13529 SendToProgram("force\n", &first);
13530 SendBoard(&first, forwardMostMove);
13532 if (appData.debugMode) {
13534 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13535 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13536 fprintf(debugFP, "Load Position\n");
13539 if (positionNumber > 1) {
13540 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13541 DisplayTitle(line);
13543 DisplayTitle(title);
13545 gameMode = EditGame;
13548 timeRemaining[0][1] = whiteTimeRemaining;
13549 timeRemaining[1][1] = blackTimeRemaining;
13550 DrawPosition(FALSE, boards[currentMove]);
13557 CopyPlayerNameIntoFileName (char **dest, char *src)
13559 while (*src != NULLCHAR && *src != ',') {
13564 *(*dest)++ = *src++;
13570 DefaultFileName (char *ext)
13572 static char def[MSG_SIZ];
13575 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13577 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13579 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13581 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13588 /* Save the current game to the given file */
13590 SaveGameToFile (char *filename, int append)
13594 int result, i, t,tot=0;
13596 if (strcmp(filename, "-") == 0) {
13597 return SaveGame(stdout, 0, NULL);
13599 for(i=0; i<10; i++) { // upto 10 tries
13600 f = fopen(filename, append ? "a" : "w");
13601 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13602 if(f || errno != 13) break;
13603 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13607 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13608 DisplayError(buf, errno);
13611 safeStrCpy(buf, lastMsg, MSG_SIZ);
13612 DisplayMessage(_("Waiting for access to save file"), "");
13613 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13614 DisplayMessage(_("Saving game"), "");
13615 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13616 result = SaveGame(f, 0, NULL);
13617 DisplayMessage(buf, "");
13624 SavePart (char *str)
13626 static char buf[MSG_SIZ];
13629 p = strchr(str, ' ');
13630 if (p == NULL) return str;
13631 strncpy(buf, str, p - str);
13632 buf[p - str] = NULLCHAR;
13636 #define PGN_MAX_LINE 75
13638 #define PGN_SIDE_WHITE 0
13639 #define PGN_SIDE_BLACK 1
13642 FindFirstMoveOutOfBook (int side)
13646 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13647 int index = backwardMostMove;
13648 int has_book_hit = 0;
13650 if( (index % 2) != side ) {
13654 while( index < forwardMostMove ) {
13655 /* Check to see if engine is in book */
13656 int depth = pvInfoList[index].depth;
13657 int score = pvInfoList[index].score;
13663 else if( score == 0 && depth == 63 ) {
13664 in_book = 1; /* Zappa */
13666 else if( score == 2 && depth == 99 ) {
13667 in_book = 1; /* Abrok */
13670 has_book_hit += in_book;
13686 GetOutOfBookInfo (char * buf)
13690 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13692 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13693 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13697 if( oob[0] >= 0 || oob[1] >= 0 ) {
13698 for( i=0; i<2; i++ ) {
13702 if( i > 0 && oob[0] >= 0 ) {
13703 strcat( buf, " " );
13706 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13707 sprintf( buf+strlen(buf), "%s%.2f",
13708 pvInfoList[idx].score >= 0 ? "+" : "",
13709 pvInfoList[idx].score / 100.0 );
13715 /* Save game in PGN style */
13717 SaveGamePGN2 (FILE *f)
13719 int i, offset, linelen, newblock;
13722 int movelen, numlen, blank;
13723 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13725 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13727 PrintPGNTags(f, &gameInfo);
13729 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13731 if (backwardMostMove > 0 || startedFromSetupPosition) {
13732 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13733 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13734 fprintf(f, "\n{--------------\n");
13735 PrintPosition(f, backwardMostMove);
13736 fprintf(f, "--------------}\n");
13740 /* [AS] Out of book annotation */
13741 if( appData.saveOutOfBookInfo ) {
13744 GetOutOfBookInfo( buf );
13746 if( buf[0] != '\0' ) {
13747 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13754 i = backwardMostMove;
13758 while (i < forwardMostMove) {
13759 /* Print comments preceding this move */
13760 if (commentList[i] != NULL) {
13761 if (linelen > 0) fprintf(f, "\n");
13762 fprintf(f, "%s", commentList[i]);
13767 /* Format move number */
13769 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13772 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13774 numtext[0] = NULLCHAR;
13776 numlen = strlen(numtext);
13779 /* Print move number */
13780 blank = linelen > 0 && numlen > 0;
13781 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13790 fprintf(f, "%s", numtext);
13794 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13795 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13798 blank = linelen > 0 && movelen > 0;
13799 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13808 fprintf(f, "%s", move_buffer);
13809 linelen += movelen;
13811 /* [AS] Add PV info if present */
13812 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13813 /* [HGM] add time */
13814 char buf[MSG_SIZ]; int seconds;
13816 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13822 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13825 seconds = (seconds + 4)/10; // round to full seconds
13827 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13829 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13832 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13833 pvInfoList[i].score >= 0 ? "+" : "",
13834 pvInfoList[i].score / 100.0,
13835 pvInfoList[i].depth,
13838 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13840 /* Print score/depth */
13841 blank = linelen > 0 && movelen > 0;
13842 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13851 fprintf(f, "%s", move_buffer);
13852 linelen += movelen;
13858 /* Start a new line */
13859 if (linelen > 0) fprintf(f, "\n");
13861 /* Print comments after last move */
13862 if (commentList[i] != NULL) {
13863 fprintf(f, "%s\n", commentList[i]);
13867 if (gameInfo.resultDetails != NULL &&
13868 gameInfo.resultDetails[0] != NULLCHAR) {
13869 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13870 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13871 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13872 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13873 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13875 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13879 /* Save game in PGN style and close the file */
13881 SaveGamePGN (FILE *f)
13885 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13889 /* Save game in old style and close the file */
13891 SaveGameOldStyle (FILE *f)
13896 tm = time((time_t *) NULL);
13898 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13901 if (backwardMostMove > 0 || startedFromSetupPosition) {
13902 fprintf(f, "\n[--------------\n");
13903 PrintPosition(f, backwardMostMove);
13904 fprintf(f, "--------------]\n");
13909 i = backwardMostMove;
13910 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13912 while (i < forwardMostMove) {
13913 if (commentList[i] != NULL) {
13914 fprintf(f, "[%s]\n", commentList[i]);
13917 if ((i % 2) == 1) {
13918 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13921 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13923 if (commentList[i] != NULL) {
13927 if (i >= forwardMostMove) {
13931 fprintf(f, "%s\n", parseList[i]);
13936 if (commentList[i] != NULL) {
13937 fprintf(f, "[%s]\n", commentList[i]);
13940 /* This isn't really the old style, but it's close enough */
13941 if (gameInfo.resultDetails != NULL &&
13942 gameInfo.resultDetails[0] != NULLCHAR) {
13943 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13944 gameInfo.resultDetails);
13946 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13953 /* Save the current game to open file f and close the file */
13955 SaveGame (FILE *f, int dummy, char *dummy2)
13957 if (gameMode == EditPosition) EditPositionDone(TRUE);
13958 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13959 if (appData.oldSaveStyle)
13960 return SaveGameOldStyle(f);
13962 return SaveGamePGN(f);
13965 /* Save the current position to the given file */
13967 SavePositionToFile (char *filename)
13972 if (strcmp(filename, "-") == 0) {
13973 return SavePosition(stdout, 0, NULL);
13975 f = fopen(filename, "a");
13977 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13978 DisplayError(buf, errno);
13981 safeStrCpy(buf, lastMsg, MSG_SIZ);
13982 DisplayMessage(_("Waiting for access to save file"), "");
13983 flock(fileno(f), LOCK_EX); // [HGM] lock
13984 DisplayMessage(_("Saving position"), "");
13985 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13986 SavePosition(f, 0, NULL);
13987 DisplayMessage(buf, "");
13993 /* Save the current position to the given open file and close the file */
13995 SavePosition (FILE *f, int dummy, char *dummy2)
14000 if (gameMode == EditPosition) EditPositionDone(TRUE);
14001 if (appData.oldSaveStyle) {
14002 tm = time((time_t *) NULL);
14004 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14006 fprintf(f, "[--------------\n");
14007 PrintPosition(f, currentMove);
14008 fprintf(f, "--------------]\n");
14010 fen = PositionToFEN(currentMove, NULL, 1);
14011 fprintf(f, "%s\n", fen);
14019 ReloadCmailMsgEvent (int unregister)
14022 static char *inFilename = NULL;
14023 static char *outFilename;
14025 struct stat inbuf, outbuf;
14028 /* Any registered moves are unregistered if unregister is set, */
14029 /* i.e. invoked by the signal handler */
14031 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14032 cmailMoveRegistered[i] = FALSE;
14033 if (cmailCommentList[i] != NULL) {
14034 free(cmailCommentList[i]);
14035 cmailCommentList[i] = NULL;
14038 nCmailMovesRegistered = 0;
14041 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14042 cmailResult[i] = CMAIL_NOT_RESULT;
14046 if (inFilename == NULL) {
14047 /* Because the filenames are static they only get malloced once */
14048 /* and they never get freed */
14049 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14050 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14052 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14053 sprintf(outFilename, "%s.out", appData.cmailGameName);
14056 status = stat(outFilename, &outbuf);
14058 cmailMailedMove = FALSE;
14060 status = stat(inFilename, &inbuf);
14061 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14064 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14065 counts the games, notes how each one terminated, etc.
14067 It would be nice to remove this kludge and instead gather all
14068 the information while building the game list. (And to keep it
14069 in the game list nodes instead of having a bunch of fixed-size
14070 parallel arrays.) Note this will require getting each game's
14071 termination from the PGN tags, as the game list builder does
14072 not process the game moves. --mann
14074 cmailMsgLoaded = TRUE;
14075 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14077 /* Load first game in the file or popup game menu */
14078 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14080 #endif /* !WIN32 */
14088 char string[MSG_SIZ];
14090 if ( cmailMailedMove
14091 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14092 return TRUE; /* Allow free viewing */
14095 /* Unregister move to ensure that we don't leave RegisterMove */
14096 /* with the move registered when the conditions for registering no */
14098 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14099 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14100 nCmailMovesRegistered --;
14102 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14104 free(cmailCommentList[lastLoadGameNumber - 1]);
14105 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14109 if (cmailOldMove == -1) {
14110 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14114 if (currentMove > cmailOldMove + 1) {
14115 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14119 if (currentMove < cmailOldMove) {
14120 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14124 if (forwardMostMove > currentMove) {
14125 /* Silently truncate extra moves */
14129 if ( (currentMove == cmailOldMove + 1)
14130 || ( (currentMove == cmailOldMove)
14131 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14132 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14133 if (gameInfo.result != GameUnfinished) {
14134 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14137 if (commentList[currentMove] != NULL) {
14138 cmailCommentList[lastLoadGameNumber - 1]
14139 = StrSave(commentList[currentMove]);
14141 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14143 if (appData.debugMode)
14144 fprintf(debugFP, "Saving %s for game %d\n",
14145 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14147 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14149 f = fopen(string, "w");
14150 if (appData.oldSaveStyle) {
14151 SaveGameOldStyle(f); /* also closes the file */
14153 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14154 f = fopen(string, "w");
14155 SavePosition(f, 0, NULL); /* also closes the file */
14157 fprintf(f, "{--------------\n");
14158 PrintPosition(f, currentMove);
14159 fprintf(f, "--------------}\n\n");
14161 SaveGame(f, 0, NULL); /* also closes the file*/
14164 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14165 nCmailMovesRegistered ++;
14166 } else if (nCmailGames == 1) {
14167 DisplayError(_("You have not made a move yet"), 0);
14178 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14179 FILE *commandOutput;
14180 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14181 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14187 if (! cmailMsgLoaded) {
14188 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14192 if (nCmailGames == nCmailResults) {
14193 DisplayError(_("No unfinished games"), 0);
14197 #if CMAIL_PROHIBIT_REMAIL
14198 if (cmailMailedMove) {
14199 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);
14200 DisplayError(msg, 0);
14205 if (! (cmailMailedMove || RegisterMove())) return;
14207 if ( cmailMailedMove
14208 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14209 snprintf(string, MSG_SIZ, partCommandString,
14210 appData.debugMode ? " -v" : "", appData.cmailGameName);
14211 commandOutput = popen(string, "r");
14213 if (commandOutput == NULL) {
14214 DisplayError(_("Failed to invoke cmail"), 0);
14216 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14217 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14219 if (nBuffers > 1) {
14220 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14221 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14222 nBytes = MSG_SIZ - 1;
14224 (void) memcpy(msg, buffer, nBytes);
14226 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14228 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14229 cmailMailedMove = TRUE; /* Prevent >1 moves */
14232 for (i = 0; i < nCmailGames; i ++) {
14233 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14238 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14240 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14242 appData.cmailGameName,
14244 LoadGameFromFile(buffer, 1, buffer, FALSE);
14245 cmailMsgLoaded = FALSE;
14249 DisplayInformation(msg);
14250 pclose(commandOutput);
14253 if ((*cmailMsg) != '\0') {
14254 DisplayInformation(cmailMsg);
14259 #endif /* !WIN32 */
14268 int prependComma = 0;
14270 char string[MSG_SIZ]; /* Space for game-list */
14273 if (!cmailMsgLoaded) return "";
14275 if (cmailMailedMove) {
14276 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14278 /* Create a list of games left */
14279 snprintf(string, MSG_SIZ, "[");
14280 for (i = 0; i < nCmailGames; i ++) {
14281 if (! ( cmailMoveRegistered[i]
14282 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14283 if (prependComma) {
14284 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14286 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14290 strcat(string, number);
14293 strcat(string, "]");
14295 if (nCmailMovesRegistered + nCmailResults == 0) {
14296 switch (nCmailGames) {
14298 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14302 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14306 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14311 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14313 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14318 if (nCmailResults == nCmailGames) {
14319 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14321 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14326 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14338 if (gameMode == Training)
14339 SetTrainingModeOff();
14342 cmailMsgLoaded = FALSE;
14343 if (appData.icsActive) {
14344 SendToICS(ics_prefix);
14345 SendToICS("refresh\n");
14350 ExitEvent (int status)
14354 /* Give up on clean exit */
14358 /* Keep trying for clean exit */
14362 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14363 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14365 if (telnetISR != NULL) {
14366 RemoveInputSource(telnetISR);
14368 if (icsPR != NoProc) {
14369 DestroyChildProcess(icsPR, TRUE);
14372 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14373 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14375 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14376 /* make sure this other one finishes before killing it! */
14377 if(endingGame) { int count = 0;
14378 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14379 while(endingGame && count++ < 10) DoSleep(1);
14380 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14383 /* Kill off chess programs */
14384 if (first.pr != NoProc) {
14387 DoSleep( appData.delayBeforeQuit );
14388 SendToProgram("quit\n", &first);
14389 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14391 if (second.pr != NoProc) {
14392 DoSleep( appData.delayBeforeQuit );
14393 SendToProgram("quit\n", &second);
14394 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14396 if (first.isr != NULL) {
14397 RemoveInputSource(first.isr);
14399 if (second.isr != NULL) {
14400 RemoveInputSource(second.isr);
14403 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14404 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14406 ShutDownFrontEnd();
14411 PauseEngine (ChessProgramState *cps)
14413 SendToProgram("pause\n", cps);
14418 UnPauseEngine (ChessProgramState *cps)
14420 SendToProgram("resume\n", cps);
14427 if (appData.debugMode)
14428 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14432 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14434 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14435 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14436 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14438 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14439 HandleMachineMove(stashedInputMove, stalledEngine);
14440 stalledEngine = NULL;
14443 if (gameMode == MachinePlaysWhite ||
14444 gameMode == TwoMachinesPlay ||
14445 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14446 if(first.pause) UnPauseEngine(&first);
14447 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14448 if(second.pause) UnPauseEngine(&second);
14449 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14452 DisplayBothClocks();
14454 if (gameMode == PlayFromGameFile) {
14455 if (appData.timeDelay >= 0)
14456 AutoPlayGameLoop();
14457 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14458 Reset(FALSE, TRUE);
14459 SendToICS(ics_prefix);
14460 SendToICS("refresh\n");
14461 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14462 ForwardInner(forwardMostMove);
14464 pauseExamInvalid = FALSE;
14466 switch (gameMode) {
14470 pauseExamForwardMostMove = forwardMostMove;
14471 pauseExamInvalid = FALSE;
14474 case IcsPlayingWhite:
14475 case IcsPlayingBlack:
14479 case PlayFromGameFile:
14480 (void) StopLoadGameTimer();
14484 case BeginningOfGame:
14485 if (appData.icsActive) return;
14486 /* else fall through */
14487 case MachinePlaysWhite:
14488 case MachinePlaysBlack:
14489 case TwoMachinesPlay:
14490 if (forwardMostMove == 0)
14491 return; /* don't pause if no one has moved */
14492 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14493 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14494 if(onMove->pause) { // thinking engine can be paused
14495 PauseEngine(onMove); // do it
14496 if(onMove->other->pause) // pondering opponent can always be paused immediately
14497 PauseEngine(onMove->other);
14499 SendToProgram("easy\n", onMove->other);
14501 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14502 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14504 PauseEngine(&first);
14506 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14507 } else { // human on move, pause pondering by either method
14509 PauseEngine(&first);
14510 else if(appData.ponderNextMove)
14511 SendToProgram("easy\n", &first);
14514 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14524 EditCommentEvent ()
14526 char title[MSG_SIZ];
14528 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14529 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14531 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14532 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14533 parseList[currentMove - 1]);
14536 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14543 char *tags = PGNTags(&gameInfo);
14545 EditTagsPopUp(tags, NULL);
14552 if(second.analyzing) {
14553 SendToProgram("exit\n", &second);
14554 second.analyzing = FALSE;
14556 if (second.pr == NoProc) StartChessProgram(&second);
14557 InitChessProgram(&second, FALSE);
14558 FeedMovesToProgram(&second, currentMove);
14560 SendToProgram("analyze\n", &second);
14561 second.analyzing = TRUE;
14565 /* Toggle ShowThinking */
14567 ToggleShowThinking()
14569 appData.showThinking = !appData.showThinking;
14570 ShowThinkingEvent();
14574 AnalyzeModeEvent ()
14578 if (!first.analysisSupport) {
14579 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14580 DisplayError(buf, 0);
14583 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14584 if (appData.icsActive) {
14585 if (gameMode != IcsObserving) {
14586 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14587 DisplayError(buf, 0);
14589 if (appData.icsEngineAnalyze) {
14590 if (appData.debugMode)
14591 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14597 /* if enable, user wants to disable icsEngineAnalyze */
14598 if (appData.icsEngineAnalyze) {
14603 appData.icsEngineAnalyze = TRUE;
14604 if (appData.debugMode)
14605 fprintf(debugFP, "ICS engine analyze starting... \n");
14608 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14609 if (appData.noChessProgram || gameMode == AnalyzeMode)
14612 if (gameMode != AnalyzeFile) {
14613 if (!appData.icsEngineAnalyze) {
14615 if (gameMode != EditGame) return 0;
14617 if (!appData.showThinking) ToggleShowThinking();
14618 ResurrectChessProgram();
14619 SendToProgram("analyze\n", &first);
14620 first.analyzing = TRUE;
14621 /*first.maybeThinking = TRUE;*/
14622 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14623 EngineOutputPopUp();
14625 if (!appData.icsEngineAnalyze) {
14626 gameMode = AnalyzeMode;
14627 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14633 StartAnalysisClock();
14634 GetTimeMark(&lastNodeCountTime);
14640 AnalyzeFileEvent ()
14642 if (appData.noChessProgram || gameMode == AnalyzeFile)
14645 if (!first.analysisSupport) {
14647 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14648 DisplayError(buf, 0);
14652 if (gameMode != AnalyzeMode) {
14653 keepInfo = 1; // mere annotating should not alter PGN tags
14656 if (gameMode != EditGame) return;
14657 if (!appData.showThinking) ToggleShowThinking();
14658 ResurrectChessProgram();
14659 SendToProgram("analyze\n", &first);
14660 first.analyzing = TRUE;
14661 /*first.maybeThinking = TRUE;*/
14662 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14663 EngineOutputPopUp();
14665 gameMode = AnalyzeFile;
14669 StartAnalysisClock();
14670 GetTimeMark(&lastNodeCountTime);
14672 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14673 AnalysisPeriodicEvent(1);
14677 MachineWhiteEvent ()
14680 char *bookHit = NULL;
14682 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14686 if (gameMode == PlayFromGameFile ||
14687 gameMode == TwoMachinesPlay ||
14688 gameMode == Training ||
14689 gameMode == AnalyzeMode ||
14690 gameMode == EndOfGame)
14693 if (gameMode == EditPosition)
14694 EditPositionDone(TRUE);
14696 if (!WhiteOnMove(currentMove)) {
14697 DisplayError(_("It is not White's turn"), 0);
14701 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14704 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14705 gameMode == AnalyzeFile)
14708 ResurrectChessProgram(); /* in case it isn't running */
14709 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14710 gameMode = MachinePlaysWhite;
14713 gameMode = MachinePlaysWhite;
14717 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14719 if (first.sendName) {
14720 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14721 SendToProgram(buf, &first);
14723 if (first.sendTime) {
14724 if (first.useColors) {
14725 SendToProgram("black\n", &first); /*gnu kludge*/
14727 SendTimeRemaining(&first, TRUE);
14729 if (first.useColors) {
14730 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14732 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14733 SetMachineThinkingEnables();
14734 first.maybeThinking = TRUE;
14738 if (appData.autoFlipView && !flipView) {
14739 flipView = !flipView;
14740 DrawPosition(FALSE, NULL);
14741 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14744 if(bookHit) { // [HGM] book: simulate book reply
14745 static char bookMove[MSG_SIZ]; // a bit generous?
14747 programStats.nodes = programStats.depth = programStats.time =
14748 programStats.score = programStats.got_only_move = 0;
14749 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14751 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14752 strcat(bookMove, bookHit);
14753 HandleMachineMove(bookMove, &first);
14758 MachineBlackEvent ()
14761 char *bookHit = NULL;
14763 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14767 if (gameMode == PlayFromGameFile ||
14768 gameMode == TwoMachinesPlay ||
14769 gameMode == Training ||
14770 gameMode == AnalyzeMode ||
14771 gameMode == EndOfGame)
14774 if (gameMode == EditPosition)
14775 EditPositionDone(TRUE);
14777 if (WhiteOnMove(currentMove)) {
14778 DisplayError(_("It is not Black's turn"), 0);
14782 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14785 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14786 gameMode == AnalyzeFile)
14789 ResurrectChessProgram(); /* in case it isn't running */
14790 gameMode = MachinePlaysBlack;
14794 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14796 if (first.sendName) {
14797 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14798 SendToProgram(buf, &first);
14800 if (first.sendTime) {
14801 if (first.useColors) {
14802 SendToProgram("white\n", &first); /*gnu kludge*/
14804 SendTimeRemaining(&first, FALSE);
14806 if (first.useColors) {
14807 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14809 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14810 SetMachineThinkingEnables();
14811 first.maybeThinking = TRUE;
14814 if (appData.autoFlipView && flipView) {
14815 flipView = !flipView;
14816 DrawPosition(FALSE, NULL);
14817 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14819 if(bookHit) { // [HGM] book: simulate book reply
14820 static char bookMove[MSG_SIZ]; // a bit generous?
14822 programStats.nodes = programStats.depth = programStats.time =
14823 programStats.score = programStats.got_only_move = 0;
14824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14827 strcat(bookMove, bookHit);
14828 HandleMachineMove(bookMove, &first);
14834 DisplayTwoMachinesTitle ()
14837 if (appData.matchGames > 0) {
14838 if(appData.tourneyFile[0]) {
14839 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14840 gameInfo.white, _("vs."), gameInfo.black,
14841 nextGame+1, appData.matchGames+1,
14842 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14844 if (first.twoMachinesColor[0] == 'w') {
14845 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14846 gameInfo.white, _("vs."), gameInfo.black,
14847 first.matchWins, second.matchWins,
14848 matchGame - 1 - (first.matchWins + second.matchWins));
14850 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14851 gameInfo.white, _("vs."), gameInfo.black,
14852 second.matchWins, first.matchWins,
14853 matchGame - 1 - (first.matchWins + second.matchWins));
14856 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14862 SettingsMenuIfReady ()
14864 if (second.lastPing != second.lastPong) {
14865 DisplayMessage("", _("Waiting for second chess program"));
14866 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14870 DisplayMessage("", "");
14871 SettingsPopUp(&second);
14875 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14878 if (cps->pr == NoProc) {
14879 StartChessProgram(cps);
14880 if (cps->protocolVersion == 1) {
14882 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14884 /* kludge: allow timeout for initial "feature" command */
14885 if(retry != TwoMachinesEventIfReady) FreezeUI();
14886 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14887 DisplayMessage("", buf);
14888 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14896 TwoMachinesEvent P((void))
14900 ChessProgramState *onmove;
14901 char *bookHit = NULL;
14902 static int stalling = 0;
14906 if (appData.noChessProgram) return;
14908 switch (gameMode) {
14909 case TwoMachinesPlay:
14911 case MachinePlaysWhite:
14912 case MachinePlaysBlack:
14913 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14914 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14918 case BeginningOfGame:
14919 case PlayFromGameFile:
14922 if (gameMode != EditGame) return;
14925 EditPositionDone(TRUE);
14936 // forwardMostMove = currentMove;
14937 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14938 startingEngine = TRUE;
14940 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14942 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14943 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14944 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14947 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14949 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14950 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14951 startingEngine = matchMode = FALSE;
14952 DisplayError("second engine does not play this", 0);
14953 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14954 EditGameEvent(); // switch back to EditGame mode
14959 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14960 SendToProgram("force\n", &second);
14962 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14965 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14966 if(appData.matchPause>10000 || appData.matchPause<10)
14967 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14968 wait = SubtractTimeMarks(&now, &pauseStart);
14969 if(wait < appData.matchPause) {
14970 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14973 // we are now committed to starting the game
14975 DisplayMessage("", "");
14976 if (startedFromSetupPosition) {
14977 SendBoard(&second, backwardMostMove);
14978 if (appData.debugMode) {
14979 fprintf(debugFP, "Two Machines\n");
14982 for (i = backwardMostMove; i < forwardMostMove; i++) {
14983 SendMoveToProgram(i, &second);
14986 gameMode = TwoMachinesPlay;
14987 pausing = startingEngine = FALSE;
14988 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14990 DisplayTwoMachinesTitle();
14992 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14997 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14998 SendToProgram(first.computerString, &first);
14999 if (first.sendName) {
15000 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15001 SendToProgram(buf, &first);
15003 SendToProgram(second.computerString, &second);
15004 if (second.sendName) {
15005 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15006 SendToProgram(buf, &second);
15010 if (!first.sendTime || !second.sendTime) {
15011 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15012 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15014 if (onmove->sendTime) {
15015 if (onmove->useColors) {
15016 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15018 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15020 if (onmove->useColors) {
15021 SendToProgram(onmove->twoMachinesColor, onmove);
15023 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15024 // SendToProgram("go\n", onmove);
15025 onmove->maybeThinking = TRUE;
15026 SetMachineThinkingEnables();
15030 if(bookHit) { // [HGM] book: simulate book reply
15031 static char bookMove[MSG_SIZ]; // a bit generous?
15033 programStats.nodes = programStats.depth = programStats.time =
15034 programStats.score = programStats.got_only_move = 0;
15035 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15037 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15038 strcat(bookMove, bookHit);
15039 savedMessage = bookMove; // args for deferred call
15040 savedState = onmove;
15041 ScheduleDelayedEvent(DeferredBookMove, 1);
15048 if (gameMode == Training) {
15049 SetTrainingModeOff();
15050 gameMode = PlayFromGameFile;
15051 DisplayMessage("", _("Training mode off"));
15053 gameMode = Training;
15054 animateTraining = appData.animate;
15056 /* make sure we are not already at the end of the game */
15057 if (currentMove < forwardMostMove) {
15058 SetTrainingModeOn();
15059 DisplayMessage("", _("Training mode on"));
15061 gameMode = PlayFromGameFile;
15062 DisplayError(_("Already at end of game"), 0);
15071 if (!appData.icsActive) return;
15072 switch (gameMode) {
15073 case IcsPlayingWhite:
15074 case IcsPlayingBlack:
15077 case BeginningOfGame:
15085 EditPositionDone(TRUE);
15098 gameMode = IcsIdle;
15108 switch (gameMode) {
15110 SetTrainingModeOff();
15112 case MachinePlaysWhite:
15113 case MachinePlaysBlack:
15114 case BeginningOfGame:
15115 SendToProgram("force\n", &first);
15116 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15117 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15119 abortEngineThink = TRUE;
15120 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15121 SendToProgram(buf, &first);
15122 DisplayMessage("Aborting engine think", "");
15126 SetUserThinkingEnables();
15128 case PlayFromGameFile:
15129 (void) StopLoadGameTimer();
15130 if (gameFileFP != NULL) {
15135 EditPositionDone(TRUE);
15140 SendToProgram("force\n", &first);
15142 case TwoMachinesPlay:
15143 GameEnds(EndOfFile, NULL, GE_PLAYER);
15144 ResurrectChessProgram();
15145 SetUserThinkingEnables();
15148 ResurrectChessProgram();
15150 case IcsPlayingBlack:
15151 case IcsPlayingWhite:
15152 DisplayError(_("Warning: You are still playing a game"), 0);
15155 DisplayError(_("Warning: You are still observing a game"), 0);
15158 DisplayError(_("Warning: You are still examining a game"), 0);
15169 first.offeredDraw = second.offeredDraw = 0;
15171 if (gameMode == PlayFromGameFile) {
15172 whiteTimeRemaining = timeRemaining[0][currentMove];
15173 blackTimeRemaining = timeRemaining[1][currentMove];
15177 if (gameMode == MachinePlaysWhite ||
15178 gameMode == MachinePlaysBlack ||
15179 gameMode == TwoMachinesPlay ||
15180 gameMode == EndOfGame) {
15181 i = forwardMostMove;
15182 while (i > currentMove) {
15183 SendToProgram("undo\n", &first);
15186 if(!adjustedClock) {
15187 whiteTimeRemaining = timeRemaining[0][currentMove];
15188 blackTimeRemaining = timeRemaining[1][currentMove];
15189 DisplayBothClocks();
15191 if (whiteFlag || blackFlag) {
15192 whiteFlag = blackFlag = 0;
15197 gameMode = EditGame;
15204 EditPositionEvent ()
15206 if (gameMode == EditPosition) {
15212 if (gameMode != EditGame) return;
15214 gameMode = EditPosition;
15217 if (currentMove > 0)
15218 CopyBoard(boards[0], boards[currentMove]);
15220 blackPlaysFirst = !WhiteOnMove(currentMove);
15222 currentMove = forwardMostMove = backwardMostMove = 0;
15223 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15225 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15231 /* [DM] icsEngineAnalyze - possible call from other functions */
15232 if (appData.icsEngineAnalyze) {
15233 appData.icsEngineAnalyze = FALSE;
15235 DisplayMessage("",_("Close ICS engine analyze..."));
15237 if (first.analysisSupport && first.analyzing) {
15238 SendToBoth("exit\n");
15239 first.analyzing = second.analyzing = FALSE;
15241 thinkOutput[0] = NULLCHAR;
15245 EditPositionDone (Boolean fakeRights)
15247 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15249 startedFromSetupPosition = TRUE;
15250 InitChessProgram(&first, FALSE);
15251 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15252 boards[0][EP_STATUS] = EP_NONE;
15253 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15254 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15255 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15256 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15257 } else boards[0][CASTLING][2] = NoRights;
15258 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15259 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15260 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15261 } else boards[0][CASTLING][5] = NoRights;
15262 if(gameInfo.variant == VariantSChess) {
15264 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15265 boards[0][VIRGIN][i] = 0;
15266 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15267 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15271 SendToProgram("force\n", &first);
15272 if (blackPlaysFirst) {
15273 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15274 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15275 currentMove = forwardMostMove = backwardMostMove = 1;
15276 CopyBoard(boards[1], boards[0]);
15278 currentMove = forwardMostMove = backwardMostMove = 0;
15280 SendBoard(&first, forwardMostMove);
15281 if (appData.debugMode) {
15282 fprintf(debugFP, "EditPosDone\n");
15285 DisplayMessage("", "");
15286 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15287 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15288 gameMode = EditGame;
15290 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15291 ClearHighlights(); /* [AS] */
15294 /* Pause for `ms' milliseconds */
15295 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15297 TimeDelay (long ms)
15304 } while (SubtractTimeMarks(&m2, &m1) < ms);
15307 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15309 SendMultiLineToICS (char *buf)
15311 char temp[MSG_SIZ+1], *p;
15318 strncpy(temp, buf, len);
15323 if (*p == '\n' || *p == '\r')
15328 strcat(temp, "\n");
15330 SendToPlayer(temp, strlen(temp));
15334 SetWhiteToPlayEvent ()
15336 if (gameMode == EditPosition) {
15337 blackPlaysFirst = FALSE;
15338 DisplayBothClocks(); /* works because currentMove is 0 */
15339 } else if (gameMode == IcsExamining) {
15340 SendToICS(ics_prefix);
15341 SendToICS("tomove white\n");
15346 SetBlackToPlayEvent ()
15348 if (gameMode == EditPosition) {
15349 blackPlaysFirst = TRUE;
15350 currentMove = 1; /* kludge */
15351 DisplayBothClocks();
15353 } else if (gameMode == IcsExamining) {
15354 SendToICS(ics_prefix);
15355 SendToICS("tomove black\n");
15360 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15363 ChessSquare piece = boards[0][y][x];
15364 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15365 static int lastVariant;
15367 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15369 switch (selection) {
15371 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15372 MarkTargetSquares(1);
15373 CopyBoard(currentBoard, boards[0]);
15374 CopyBoard(menuBoard, initialPosition);
15375 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15376 SendToICS(ics_prefix);
15377 SendToICS("bsetup clear\n");
15378 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15379 SendToICS(ics_prefix);
15380 SendToICS("clearboard\n");
15383 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15384 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15385 for (y = 0; y < BOARD_HEIGHT; y++) {
15386 if (gameMode == IcsExamining) {
15387 if (boards[currentMove][y][x] != EmptySquare) {
15388 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15392 } else if(boards[0][y][x] != DarkSquare) {
15393 if(boards[0][y][x] != p) nonEmpty++;
15394 boards[0][y][x] = p;
15398 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15400 for(r = 0; r < BOARD_HEIGHT; r++) {
15401 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15402 ChessSquare p = menuBoard[r][x];
15403 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15406 DisplayMessage("Clicking clock again restores position", "");
15407 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15408 if(!nonEmpty) { // asked to clear an empty board
15409 CopyBoard(boards[0], menuBoard);
15411 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15412 CopyBoard(boards[0], initialPosition);
15414 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15415 && !CompareBoards(nullBoard, erasedBoard)) {
15416 CopyBoard(boards[0], erasedBoard);
15418 CopyBoard(erasedBoard, currentBoard);
15422 if (gameMode == EditPosition) {
15423 DrawPosition(FALSE, boards[0]);
15428 SetWhiteToPlayEvent();
15432 SetBlackToPlayEvent();
15436 if (gameMode == IcsExamining) {
15437 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15438 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15441 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15442 if(x == BOARD_LEFT-2) {
15443 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15444 boards[0][y][1] = 0;
15446 if(x == BOARD_RGHT+1) {
15447 if(y >= gameInfo.holdingsSize) break;
15448 boards[0][y][BOARD_WIDTH-2] = 0;
15451 boards[0][y][x] = EmptySquare;
15452 DrawPosition(FALSE, boards[0]);
15457 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15458 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15459 selection = (ChessSquare) (PROMOTED(piece));
15460 } else if(piece == EmptySquare) selection = WhiteSilver;
15461 else selection = (ChessSquare)((int)piece - 1);
15465 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15466 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15467 selection = (ChessSquare) (DEMOTED(piece));
15468 } else if(piece == EmptySquare) selection = BlackSilver;
15469 else selection = (ChessSquare)((int)piece + 1);
15474 if(gameInfo.variant == VariantShatranj ||
15475 gameInfo.variant == VariantXiangqi ||
15476 gameInfo.variant == VariantCourier ||
15477 gameInfo.variant == VariantASEAN ||
15478 gameInfo.variant == VariantMakruk )
15479 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15484 if(gameInfo.variant == VariantXiangqi)
15485 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15486 if(gameInfo.variant == VariantKnightmate)
15487 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15490 if (gameMode == IcsExamining) {
15491 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15492 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15493 PieceToChar(selection), AAA + x, ONE + y);
15496 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15498 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15499 n = PieceToNumber(selection - BlackPawn);
15500 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15501 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15502 boards[0][BOARD_HEIGHT-1-n][1]++;
15504 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15505 n = PieceToNumber(selection);
15506 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15507 boards[0][n][BOARD_WIDTH-1] = selection;
15508 boards[0][n][BOARD_WIDTH-2]++;
15511 boards[0][y][x] = selection;
15512 DrawPosition(TRUE, boards[0]);
15514 fromX = fromY = -1;
15522 DropMenuEvent (ChessSquare selection, int x, int y)
15524 ChessMove moveType;
15526 switch (gameMode) {
15527 case IcsPlayingWhite:
15528 case MachinePlaysBlack:
15529 if (!WhiteOnMove(currentMove)) {
15530 DisplayMoveError(_("It is Black's turn"));
15533 moveType = WhiteDrop;
15535 case IcsPlayingBlack:
15536 case MachinePlaysWhite:
15537 if (WhiteOnMove(currentMove)) {
15538 DisplayMoveError(_("It is White's turn"));
15541 moveType = BlackDrop;
15544 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15550 if (moveType == BlackDrop && selection < BlackPawn) {
15551 selection = (ChessSquare) ((int) selection
15552 + (int) BlackPawn - (int) WhitePawn);
15554 if (boards[currentMove][y][x] != EmptySquare) {
15555 DisplayMoveError(_("That square is occupied"));
15559 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15565 /* Accept a pending offer of any kind from opponent */
15567 if (appData.icsActive) {
15568 SendToICS(ics_prefix);
15569 SendToICS("accept\n");
15570 } else if (cmailMsgLoaded) {
15571 if (currentMove == cmailOldMove &&
15572 commentList[cmailOldMove] != NULL &&
15573 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15574 "Black offers a draw" : "White offers a draw")) {
15576 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15577 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15579 DisplayError(_("There is no pending offer on this move"), 0);
15580 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15583 /* Not used for offers from chess program */
15590 /* Decline a pending offer of any kind from opponent */
15592 if (appData.icsActive) {
15593 SendToICS(ics_prefix);
15594 SendToICS("decline\n");
15595 } else if (cmailMsgLoaded) {
15596 if (currentMove == cmailOldMove &&
15597 commentList[cmailOldMove] != NULL &&
15598 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15599 "Black offers a draw" : "White offers a draw")) {
15601 AppendComment(cmailOldMove, "Draw declined", TRUE);
15602 DisplayComment(cmailOldMove - 1, "Draw declined");
15605 DisplayError(_("There is no pending offer on this move"), 0);
15608 /* Not used for offers from chess program */
15615 /* Issue ICS rematch command */
15616 if (appData.icsActive) {
15617 SendToICS(ics_prefix);
15618 SendToICS("rematch\n");
15625 /* Call your opponent's flag (claim a win on time) */
15626 if (appData.icsActive) {
15627 SendToICS(ics_prefix);
15628 SendToICS("flag\n");
15630 switch (gameMode) {
15633 case MachinePlaysWhite:
15636 GameEnds(GameIsDrawn, "Both players ran out of time",
15639 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15641 DisplayError(_("Your opponent is not out of time"), 0);
15644 case MachinePlaysBlack:
15647 GameEnds(GameIsDrawn, "Both players ran out of time",
15650 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15652 DisplayError(_("Your opponent is not out of time"), 0);
15660 ClockClick (int which)
15661 { // [HGM] code moved to back-end from winboard.c
15662 if(which) { // black clock
15663 if (gameMode == EditPosition || gameMode == IcsExamining) {
15664 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15665 SetBlackToPlayEvent();
15666 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15667 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15668 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15669 } else if (shiftKey) {
15670 AdjustClock(which, -1);
15671 } else if (gameMode == IcsPlayingWhite ||
15672 gameMode == MachinePlaysBlack) {
15675 } else { // white clock
15676 if (gameMode == EditPosition || gameMode == IcsExamining) {
15677 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15678 SetWhiteToPlayEvent();
15679 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15680 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15681 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15682 } else if (shiftKey) {
15683 AdjustClock(which, -1);
15684 } else if (gameMode == IcsPlayingBlack ||
15685 gameMode == MachinePlaysWhite) {
15694 /* Offer draw or accept pending draw offer from opponent */
15696 if (appData.icsActive) {
15697 /* Note: tournament rules require draw offers to be
15698 made after you make your move but before you punch
15699 your clock. Currently ICS doesn't let you do that;
15700 instead, you immediately punch your clock after making
15701 a move, but you can offer a draw at any time. */
15703 SendToICS(ics_prefix);
15704 SendToICS("draw\n");
15705 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15706 } else if (cmailMsgLoaded) {
15707 if (currentMove == cmailOldMove &&
15708 commentList[cmailOldMove] != NULL &&
15709 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15710 "Black offers a draw" : "White offers a draw")) {
15711 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15712 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15713 } else if (currentMove == cmailOldMove + 1) {
15714 char *offer = WhiteOnMove(cmailOldMove) ?
15715 "White offers a draw" : "Black offers a draw";
15716 AppendComment(currentMove, offer, TRUE);
15717 DisplayComment(currentMove - 1, offer);
15718 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15720 DisplayError(_("You must make your move before offering a draw"), 0);
15721 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15723 } else if (first.offeredDraw) {
15724 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15726 if (first.sendDrawOffers) {
15727 SendToProgram("draw\n", &first);
15728 userOfferedDraw = TRUE;
15736 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15738 if (appData.icsActive) {
15739 SendToICS(ics_prefix);
15740 SendToICS("adjourn\n");
15742 /* Currently GNU Chess doesn't offer or accept Adjourns */
15750 /* Offer Abort or accept pending Abort offer from opponent */
15752 if (appData.icsActive) {
15753 SendToICS(ics_prefix);
15754 SendToICS("abort\n");
15756 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15763 /* Resign. You can do this even if it's not your turn. */
15765 if (appData.icsActive) {
15766 SendToICS(ics_prefix);
15767 SendToICS("resign\n");
15769 switch (gameMode) {
15770 case MachinePlaysWhite:
15771 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15773 case MachinePlaysBlack:
15774 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15777 if (cmailMsgLoaded) {
15779 if (WhiteOnMove(cmailOldMove)) {
15780 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15782 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15784 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15795 StopObservingEvent ()
15797 /* Stop observing current games */
15798 SendToICS(ics_prefix);
15799 SendToICS("unobserve\n");
15803 StopExaminingEvent ()
15805 /* Stop observing current game */
15806 SendToICS(ics_prefix);
15807 SendToICS("unexamine\n");
15811 ForwardInner (int target)
15813 int limit; int oldSeekGraphUp = seekGraphUp;
15815 if (appData.debugMode)
15816 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15817 target, currentMove, forwardMostMove);
15819 if (gameMode == EditPosition)
15822 seekGraphUp = FALSE;
15823 MarkTargetSquares(1);
15824 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15826 if (gameMode == PlayFromGameFile && !pausing)
15829 if (gameMode == IcsExamining && pausing)
15830 limit = pauseExamForwardMostMove;
15832 limit = forwardMostMove;
15834 if (target > limit) target = limit;
15836 if (target > 0 && moveList[target - 1][0]) {
15837 int fromX, fromY, toX, toY;
15838 toX = moveList[target - 1][2] - AAA;
15839 toY = moveList[target - 1][3] - ONE;
15840 if (moveList[target - 1][1] == '@') {
15841 if (appData.highlightLastMove) {
15842 SetHighlights(-1, -1, toX, toY);
15845 int viaX = moveList[target - 1][5] - AAA;
15846 int viaY = moveList[target - 1][6] - ONE;
15847 fromX = moveList[target - 1][0] - AAA;
15848 fromY = moveList[target - 1][1] - ONE;
15849 if (target == currentMove + 1) {
15850 if(moveList[target - 1][4] == ';') { // multi-leg
15851 ChessSquare piece = boards[currentMove][viaY][viaX];
15852 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15853 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15854 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15855 boards[currentMove][viaY][viaX] = piece;
15857 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15859 if (appData.highlightLastMove) {
15860 SetHighlights(fromX, fromY, toX, toY);
15864 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15865 gameMode == Training || gameMode == PlayFromGameFile ||
15866 gameMode == AnalyzeFile) {
15867 while (currentMove < target) {
15868 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15869 SendMoveToProgram(currentMove++, &first);
15872 currentMove = target;
15875 if (gameMode == EditGame || gameMode == EndOfGame) {
15876 whiteTimeRemaining = timeRemaining[0][currentMove];
15877 blackTimeRemaining = timeRemaining[1][currentMove];
15879 DisplayBothClocks();
15880 DisplayMove(currentMove - 1);
15881 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15882 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15883 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15884 DisplayComment(currentMove - 1, commentList[currentMove]);
15886 ClearMap(); // [HGM] exclude: invalidate map
15893 if (gameMode == IcsExamining && !pausing) {
15894 SendToICS(ics_prefix);
15895 SendToICS("forward\n");
15897 ForwardInner(currentMove + 1);
15904 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15905 /* to optimze, we temporarily turn off analysis mode while we feed
15906 * the remaining moves to the engine. Otherwise we get analysis output
15909 if (first.analysisSupport) {
15910 SendToProgram("exit\nforce\n", &first);
15911 first.analyzing = FALSE;
15915 if (gameMode == IcsExamining && !pausing) {
15916 SendToICS(ics_prefix);
15917 SendToICS("forward 999999\n");
15919 ForwardInner(forwardMostMove);
15922 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15923 /* we have fed all the moves, so reactivate analysis mode */
15924 SendToProgram("analyze\n", &first);
15925 first.analyzing = TRUE;
15926 /*first.maybeThinking = TRUE;*/
15927 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15932 BackwardInner (int target)
15934 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15936 if (appData.debugMode)
15937 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15938 target, currentMove, forwardMostMove);
15940 if (gameMode == EditPosition) return;
15941 seekGraphUp = FALSE;
15942 MarkTargetSquares(1);
15943 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15944 if (currentMove <= backwardMostMove) {
15946 DrawPosition(full_redraw, boards[currentMove]);
15949 if (gameMode == PlayFromGameFile && !pausing)
15952 if (moveList[target][0]) {
15953 int fromX, fromY, toX, toY;
15954 toX = moveList[target][2] - AAA;
15955 toY = moveList[target][3] - ONE;
15956 if (moveList[target][1] == '@') {
15957 if (appData.highlightLastMove) {
15958 SetHighlights(-1, -1, toX, toY);
15961 fromX = moveList[target][0] - AAA;
15962 fromY = moveList[target][1] - ONE;
15963 if (target == currentMove - 1) {
15964 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15966 if (appData.highlightLastMove) {
15967 SetHighlights(fromX, fromY, toX, toY);
15971 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15972 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15973 while (currentMove > target) {
15974 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15975 // null move cannot be undone. Reload program with move history before it.
15977 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15978 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15980 SendBoard(&first, i);
15981 if(second.analyzing) SendBoard(&second, i);
15982 for(currentMove=i; currentMove<target; currentMove++) {
15983 SendMoveToProgram(currentMove, &first);
15984 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15988 SendToBoth("undo\n");
15992 currentMove = target;
15995 if (gameMode == EditGame || gameMode == EndOfGame) {
15996 whiteTimeRemaining = timeRemaining[0][currentMove];
15997 blackTimeRemaining = timeRemaining[1][currentMove];
15999 DisplayBothClocks();
16000 DisplayMove(currentMove - 1);
16001 DrawPosition(full_redraw, boards[currentMove]);
16002 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16003 // [HGM] PV info: routine tests if comment empty
16004 DisplayComment(currentMove - 1, commentList[currentMove]);
16005 ClearMap(); // [HGM] exclude: invalidate map
16011 if (gameMode == IcsExamining && !pausing) {
16012 SendToICS(ics_prefix);
16013 SendToICS("backward\n");
16015 BackwardInner(currentMove - 1);
16022 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16023 /* to optimize, we temporarily turn off analysis mode while we undo
16024 * all the moves. Otherwise we get analysis output after each undo.
16026 if (first.analysisSupport) {
16027 SendToProgram("exit\nforce\n", &first);
16028 first.analyzing = FALSE;
16032 if (gameMode == IcsExamining && !pausing) {
16033 SendToICS(ics_prefix);
16034 SendToICS("backward 999999\n");
16036 BackwardInner(backwardMostMove);
16039 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16040 /* we have fed all the moves, so reactivate analysis mode */
16041 SendToProgram("analyze\n", &first);
16042 first.analyzing = TRUE;
16043 /*first.maybeThinking = TRUE;*/
16044 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16051 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16052 if (to >= forwardMostMove) to = forwardMostMove;
16053 if (to <= backwardMostMove) to = backwardMostMove;
16054 if (to < currentMove) {
16062 RevertEvent (Boolean annotate)
16064 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16067 if (gameMode != IcsExamining) {
16068 DisplayError(_("You are not examining a game"), 0);
16072 DisplayError(_("You can't revert while pausing"), 0);
16075 SendToICS(ics_prefix);
16076 SendToICS("revert\n");
16080 RetractMoveEvent ()
16082 switch (gameMode) {
16083 case MachinePlaysWhite:
16084 case MachinePlaysBlack:
16085 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16086 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16089 if (forwardMostMove < 2) return;
16090 currentMove = forwardMostMove = forwardMostMove - 2;
16091 whiteTimeRemaining = timeRemaining[0][currentMove];
16092 blackTimeRemaining = timeRemaining[1][currentMove];
16093 DisplayBothClocks();
16094 DisplayMove(currentMove - 1);
16095 ClearHighlights();/*!! could figure this out*/
16096 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16097 SendToProgram("remove\n", &first);
16098 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16101 case BeginningOfGame:
16105 case IcsPlayingWhite:
16106 case IcsPlayingBlack:
16107 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16108 SendToICS(ics_prefix);
16109 SendToICS("takeback 2\n");
16111 SendToICS(ics_prefix);
16112 SendToICS("takeback 1\n");
16121 ChessProgramState *cps;
16123 switch (gameMode) {
16124 case MachinePlaysWhite:
16125 if (!WhiteOnMove(forwardMostMove)) {
16126 DisplayError(_("It is your turn"), 0);
16131 case MachinePlaysBlack:
16132 if (WhiteOnMove(forwardMostMove)) {
16133 DisplayError(_("It is your turn"), 0);
16138 case TwoMachinesPlay:
16139 if (WhiteOnMove(forwardMostMove) ==
16140 (first.twoMachinesColor[0] == 'w')) {
16146 case BeginningOfGame:
16150 SendToProgram("?\n", cps);
16154 TruncateGameEvent ()
16157 if (gameMode != EditGame) return;
16164 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16165 if (forwardMostMove > currentMove) {
16166 if (gameInfo.resultDetails != NULL) {
16167 free(gameInfo.resultDetails);
16168 gameInfo.resultDetails = NULL;
16169 gameInfo.result = GameUnfinished;
16171 forwardMostMove = currentMove;
16172 HistorySet(parseList, backwardMostMove, forwardMostMove,
16180 if (appData.noChessProgram) return;
16181 switch (gameMode) {
16182 case MachinePlaysWhite:
16183 if (WhiteOnMove(forwardMostMove)) {
16184 DisplayError(_("Wait until your turn."), 0);
16188 case BeginningOfGame:
16189 case MachinePlaysBlack:
16190 if (!WhiteOnMove(forwardMostMove)) {
16191 DisplayError(_("Wait until your turn."), 0);
16196 DisplayError(_("No hint available"), 0);
16199 SendToProgram("hint\n", &first);
16200 hintRequested = TRUE;
16204 SaveSelected (FILE *g, int dummy, char *dummy2)
16206 ListGame * lg = (ListGame *) gameList.head;
16210 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16211 DisplayError(_("Game list not loaded or empty"), 0);
16215 creatingBook = TRUE; // suppresses stuff during load game
16217 /* Get list size */
16218 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16219 if(lg->position >= 0) { // selected?
16220 LoadGame(f, nItem, "", TRUE);
16221 SaveGamePGN2(g); // leaves g open
16224 lg = (ListGame *) lg->node.succ;
16228 creatingBook = FALSE;
16236 ListGame * lg = (ListGame *) gameList.head;
16239 static int secondTime = FALSE;
16241 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16242 DisplayError(_("Game list not loaded or empty"), 0);
16246 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16249 DisplayNote(_("Book file exists! Try again for overwrite."));
16253 creatingBook = TRUE;
16254 secondTime = FALSE;
16256 /* Get list size */
16257 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16258 if(lg->position >= 0) {
16259 LoadGame(f, nItem, "", TRUE);
16260 AddGameToBook(TRUE);
16263 lg = (ListGame *) lg->node.succ;
16266 creatingBook = FALSE;
16273 if (appData.noChessProgram) return;
16274 switch (gameMode) {
16275 case MachinePlaysWhite:
16276 if (WhiteOnMove(forwardMostMove)) {
16277 DisplayError(_("Wait until your turn."), 0);
16281 case BeginningOfGame:
16282 case MachinePlaysBlack:
16283 if (!WhiteOnMove(forwardMostMove)) {
16284 DisplayError(_("Wait until your turn."), 0);
16289 EditPositionDone(TRUE);
16291 case TwoMachinesPlay:
16296 SendToProgram("bk\n", &first);
16297 bookOutput[0] = NULLCHAR;
16298 bookRequested = TRUE;
16304 char *tags = PGNTags(&gameInfo);
16305 TagsPopUp(tags, CmailMsg());
16309 /* end button procedures */
16312 PrintPosition (FILE *fp, int move)
16316 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16317 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16318 char c = PieceToChar(boards[move][i][j]);
16319 fputc(c == '?' ? '.' : c, fp);
16320 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16323 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16324 fprintf(fp, "white to play\n");
16326 fprintf(fp, "black to play\n");
16330 PrintOpponents (FILE *fp)
16332 if (gameInfo.white != NULL) {
16333 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16339 /* Find last component of program's own name, using some heuristics */
16341 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16344 int local = (strcmp(host, "localhost") == 0);
16345 while (!local && (p = strchr(prog, ';')) != NULL) {
16347 while (*p == ' ') p++;
16350 if (*prog == '"' || *prog == '\'') {
16351 q = strchr(prog + 1, *prog);
16353 q = strchr(prog, ' ');
16355 if (q == NULL) q = prog + strlen(prog);
16357 while (p >= prog && *p != '/' && *p != '\\') p--;
16359 if(p == prog && *p == '"') p++;
16361 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16362 memcpy(buf, p, q - p);
16363 buf[q - p] = NULLCHAR;
16371 TimeControlTagValue ()
16374 if (!appData.clockMode) {
16375 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16376 } else if (movesPerSession > 0) {
16377 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16378 } else if (timeIncrement == 0) {
16379 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16381 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16383 return StrSave(buf);
16389 /* This routine is used only for certain modes */
16390 VariantClass v = gameInfo.variant;
16391 ChessMove r = GameUnfinished;
16394 if(keepInfo) return;
16396 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16397 r = gameInfo.result;
16398 p = gameInfo.resultDetails;
16399 gameInfo.resultDetails = NULL;
16401 ClearGameInfo(&gameInfo);
16402 gameInfo.variant = v;
16404 switch (gameMode) {
16405 case MachinePlaysWhite:
16406 gameInfo.event = StrSave( appData.pgnEventHeader );
16407 gameInfo.site = StrSave(HostName());
16408 gameInfo.date = PGNDate();
16409 gameInfo.round = StrSave("-");
16410 gameInfo.white = StrSave(first.tidy);
16411 gameInfo.black = StrSave(UserName());
16412 gameInfo.timeControl = TimeControlTagValue();
16415 case MachinePlaysBlack:
16416 gameInfo.event = StrSave( appData.pgnEventHeader );
16417 gameInfo.site = StrSave(HostName());
16418 gameInfo.date = PGNDate();
16419 gameInfo.round = StrSave("-");
16420 gameInfo.white = StrSave(UserName());
16421 gameInfo.black = StrSave(first.tidy);
16422 gameInfo.timeControl = TimeControlTagValue();
16425 case TwoMachinesPlay:
16426 gameInfo.event = StrSave( appData.pgnEventHeader );
16427 gameInfo.site = StrSave(HostName());
16428 gameInfo.date = PGNDate();
16431 snprintf(buf, MSG_SIZ, "%d", roundNr);
16432 gameInfo.round = StrSave(buf);
16434 gameInfo.round = StrSave("-");
16436 if (first.twoMachinesColor[0] == 'w') {
16437 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16438 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16440 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16441 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16443 gameInfo.timeControl = TimeControlTagValue();
16447 gameInfo.event = StrSave("Edited game");
16448 gameInfo.site = StrSave(HostName());
16449 gameInfo.date = PGNDate();
16450 gameInfo.round = StrSave("-");
16451 gameInfo.white = StrSave("-");
16452 gameInfo.black = StrSave("-");
16453 gameInfo.result = r;
16454 gameInfo.resultDetails = p;
16458 gameInfo.event = StrSave("Edited position");
16459 gameInfo.site = StrSave(HostName());
16460 gameInfo.date = PGNDate();
16461 gameInfo.round = StrSave("-");
16462 gameInfo.white = StrSave("-");
16463 gameInfo.black = StrSave("-");
16466 case IcsPlayingWhite:
16467 case IcsPlayingBlack:
16472 case PlayFromGameFile:
16473 gameInfo.event = StrSave("Game from non-PGN file");
16474 gameInfo.site = StrSave(HostName());
16475 gameInfo.date = PGNDate();
16476 gameInfo.round = StrSave("-");
16477 gameInfo.white = StrSave("?");
16478 gameInfo.black = StrSave("?");
16487 ReplaceComment (int index, char *text)
16493 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16494 pvInfoList[index-1].depth == len &&
16495 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16496 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16497 while (*text == '\n') text++;
16498 len = strlen(text);
16499 while (len > 0 && text[len - 1] == '\n') len--;
16501 if (commentList[index] != NULL)
16502 free(commentList[index]);
16505 commentList[index] = NULL;
16508 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16509 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16510 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16511 commentList[index] = (char *) malloc(len + 2);
16512 strncpy(commentList[index], text, len);
16513 commentList[index][len] = '\n';
16514 commentList[index][len + 1] = NULLCHAR;
16516 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16518 commentList[index] = (char *) malloc(len + 7);
16519 safeStrCpy(commentList[index], "{\n", 3);
16520 safeStrCpy(commentList[index]+2, text, len+1);
16521 commentList[index][len+2] = NULLCHAR;
16522 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16523 strcat(commentList[index], "\n}\n");
16528 CrushCRs (char *text)
16536 if (ch == '\r') continue;
16538 } while (ch != '\0');
16542 AppendComment (int index, char *text, Boolean addBraces)
16543 /* addBraces tells if we should add {} */
16548 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16549 if(addBraces == 3) addBraces = 0; else // force appending literally
16550 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16553 while (*text == '\n') text++;
16554 len = strlen(text);
16555 while (len > 0 && text[len - 1] == '\n') len--;
16556 text[len] = NULLCHAR;
16558 if (len == 0) return;
16560 if (commentList[index] != NULL) {
16561 Boolean addClosingBrace = addBraces;
16562 old = commentList[index];
16563 oldlen = strlen(old);
16564 while(commentList[index][oldlen-1] == '\n')
16565 commentList[index][--oldlen] = NULLCHAR;
16566 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16567 safeStrCpy(commentList[index], old, oldlen + len + 6);
16569 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16570 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16571 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16572 while (*text == '\n') { text++; len--; }
16573 commentList[index][--oldlen] = NULLCHAR;
16575 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16576 else strcat(commentList[index], "\n");
16577 strcat(commentList[index], text);
16578 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16579 else strcat(commentList[index], "\n");
16581 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16583 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16584 else commentList[index][0] = NULLCHAR;
16585 strcat(commentList[index], text);
16586 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16587 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16592 FindStr (char * text, char * sub_text)
16594 char * result = strstr( text, sub_text );
16596 if( result != NULL ) {
16597 result += strlen( sub_text );
16603 /* [AS] Try to extract PV info from PGN comment */
16604 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16606 GetInfoFromComment (int index, char * text)
16608 char * sep = text, *p;
16610 if( text != NULL && index > 0 ) {
16613 int time = -1, sec = 0, deci;
16614 char * s_eval = FindStr( text, "[%eval " );
16615 char * s_emt = FindStr( text, "[%emt " );
16617 if( s_eval != NULL || s_emt != NULL ) {
16619 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16624 if( s_eval != NULL ) {
16625 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16629 if( delim != ']' ) {
16634 if( s_emt != NULL ) {
16639 /* We expect something like: [+|-]nnn.nn/dd */
16642 if(*text != '{') return text; // [HGM] braces: must be normal comment
16644 sep = strchr( text, '/' );
16645 if( sep == NULL || sep < (text+4) ) {
16650 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16651 if(p[1] == '(') { // comment starts with PV
16652 p = strchr(p, ')'); // locate end of PV
16653 if(p == NULL || sep < p+5) return text;
16654 // at this point we have something like "{(.*) +0.23/6 ..."
16655 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16656 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16657 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16659 time = -1; sec = -1; deci = -1;
16660 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16661 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16662 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16663 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16667 if( score_lo < 0 || score_lo >= 100 ) {
16671 if(sec >= 0) time = 600*time + 10*sec; else
16672 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16674 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16676 /* [HGM] PV time: now locate end of PV info */
16677 while( *++sep >= '0' && *sep <= '9'); // strip depth
16679 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16681 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16683 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16684 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16695 pvInfoList[index-1].depth = depth;
16696 pvInfoList[index-1].score = score;
16697 pvInfoList[index-1].time = 10*time; // centi-sec
16698 if(*sep == '}') *sep = 0; else *--sep = '{';
16699 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16705 SendToProgram (char *message, ChessProgramState *cps)
16707 int count, outCount, error;
16710 if (cps->pr == NoProc) return;
16713 if (appData.debugMode) {
16716 fprintf(debugFP, "%ld >%-6s: %s",
16717 SubtractTimeMarks(&now, &programStartTime),
16718 cps->which, message);
16720 fprintf(serverFP, "%ld >%-6s: %s",
16721 SubtractTimeMarks(&now, &programStartTime),
16722 cps->which, message), fflush(serverFP);
16725 count = strlen(message);
16726 outCount = OutputToProcess(cps->pr, message, count, &error);
16727 if (outCount < count && !exiting
16728 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16729 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16730 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16731 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16732 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16733 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16734 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16735 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16737 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16738 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16739 gameInfo.result = res;
16741 gameInfo.resultDetails = StrSave(buf);
16743 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16744 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16749 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16753 ChessProgramState *cps = (ChessProgramState *)closure;
16755 if (isr != cps->isr) return; /* Killed intentionally */
16758 RemoveInputSource(cps->isr);
16759 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16760 _(cps->which), cps->program);
16761 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16762 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16763 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16764 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16765 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16766 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16768 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16769 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16770 gameInfo.result = res;
16772 gameInfo.resultDetails = StrSave(buf);
16774 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16775 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16777 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16778 _(cps->which), cps->program);
16779 RemoveInputSource(cps->isr);
16781 /* [AS] Program is misbehaving badly... kill it */
16782 if( count == -2 ) {
16783 DestroyChildProcess( cps->pr, 9 );
16787 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16792 if ((end_str = strchr(message, '\r')) != NULL)
16793 *end_str = NULLCHAR;
16794 if ((end_str = strchr(message, '\n')) != NULL)
16795 *end_str = NULLCHAR;
16797 if (appData.debugMode) {
16798 TimeMark now; int print = 1;
16799 char *quote = ""; char c; int i;
16801 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16802 char start = message[0];
16803 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16804 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16805 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16806 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16807 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16808 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16809 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16810 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16811 sscanf(message, "hint: %c", &c)!=1 &&
16812 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16813 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16814 print = (appData.engineComments >= 2);
16816 message[0] = start; // restore original message
16820 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16821 SubtractTimeMarks(&now, &programStartTime), cps->which,
16825 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16826 SubtractTimeMarks(&now, &programStartTime), cps->which,
16828 message), fflush(serverFP);
16832 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16833 if (appData.icsEngineAnalyze) {
16834 if (strstr(message, "whisper") != NULL ||
16835 strstr(message, "kibitz") != NULL ||
16836 strstr(message, "tellics") != NULL) return;
16839 HandleMachineMove(message, cps);
16844 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16849 if( timeControl_2 > 0 ) {
16850 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16851 tc = timeControl_2;
16854 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16855 inc /= cps->timeOdds;
16856 st /= cps->timeOdds;
16858 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16861 /* Set exact time per move, normally using st command */
16862 if (cps->stKludge) {
16863 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16865 if (seconds == 0) {
16866 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16868 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16871 snprintf(buf, MSG_SIZ, "st %d\n", st);
16874 /* Set conventional or incremental time control, using level command */
16875 if (seconds == 0) {
16876 /* Note old gnuchess bug -- minutes:seconds used to not work.
16877 Fixed in later versions, but still avoid :seconds
16878 when seconds is 0. */
16879 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16881 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16882 seconds, inc/1000.);
16885 SendToProgram(buf, cps);
16887 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16888 /* Orthogonally, limit search to given depth */
16890 if (cps->sdKludge) {
16891 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16893 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16895 SendToProgram(buf, cps);
16898 if(cps->nps >= 0) { /* [HGM] nps */
16899 if(cps->supportsNPS == FALSE)
16900 cps->nps = -1; // don't use if engine explicitly says not supported!
16902 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16903 SendToProgram(buf, cps);
16908 ChessProgramState *
16910 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16912 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16913 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16919 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16921 char message[MSG_SIZ];
16924 /* Note: this routine must be called when the clocks are stopped
16925 or when they have *just* been set or switched; otherwise
16926 it will be off by the time since the current tick started.
16928 if (machineWhite) {
16929 time = whiteTimeRemaining / 10;
16930 otime = blackTimeRemaining / 10;
16932 time = blackTimeRemaining / 10;
16933 otime = whiteTimeRemaining / 10;
16935 /* [HGM] translate opponent's time by time-odds factor */
16936 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16938 if (time <= 0) time = 1;
16939 if (otime <= 0) otime = 1;
16941 snprintf(message, MSG_SIZ, "time %ld\n", time);
16942 SendToProgram(message, cps);
16944 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16945 SendToProgram(message, cps);
16949 EngineDefinedVariant (ChessProgramState *cps, int n)
16950 { // return name of n-th unknown variant that engine supports
16951 static char buf[MSG_SIZ];
16952 char *p, *s = cps->variants;
16953 if(!s) return NULL;
16954 do { // parse string from variants feature
16956 p = strchr(s, ',');
16957 if(p) *p = NULLCHAR;
16958 v = StringToVariant(s);
16959 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16960 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16961 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16962 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16963 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16964 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16965 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16968 if(n < 0) return buf;
16974 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16977 int len = strlen(name);
16980 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16982 sscanf(*p, "%d", &val);
16984 while (**p && **p != ' ')
16986 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16987 SendToProgram(buf, cps);
16994 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16997 int len = strlen(name);
16998 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17000 sscanf(*p, "%d", loc);
17001 while (**p && **p != ' ') (*p)++;
17002 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17003 SendToProgram(buf, cps);
17010 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17013 int len = strlen(name);
17014 if (strncmp((*p), name, len) == 0
17015 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17017 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17018 sscanf(*p, "%[^\"]", *loc);
17019 while (**p && **p != '\"') (*p)++;
17020 if (**p == '\"') (*p)++;
17021 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17022 SendToProgram(buf, cps);
17029 ParseOption (Option *opt, ChessProgramState *cps)
17030 // [HGM] options: process the string that defines an engine option, and determine
17031 // name, type, default value, and allowed value range
17033 char *p, *q, buf[MSG_SIZ];
17034 int n, min = (-1)<<31, max = 1<<31, def;
17036 opt->target = &opt->value; // OK for spin/slider and checkbox
17037 if(p = strstr(opt->name, " -spin ")) {
17038 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17039 if(max < min) max = min; // enforce consistency
17040 if(def < min) def = min;
17041 if(def > max) def = max;
17046 } else if((p = strstr(opt->name, " -slider "))) {
17047 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17048 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17049 if(max < min) max = min; // enforce consistency
17050 if(def < min) def = min;
17051 if(def > max) def = max;
17055 opt->type = Spin; // Slider;
17056 } else if((p = strstr(opt->name, " -string "))) {
17057 opt->textValue = p+9;
17058 opt->type = TextBox;
17059 opt->target = &opt->textValue;
17060 } else if((p = strstr(opt->name, " -file "))) {
17061 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17062 opt->target = opt->textValue = p+7;
17063 opt->type = FileName; // FileName;
17064 opt->target = &opt->textValue;
17065 } else if((p = strstr(opt->name, " -path "))) {
17066 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17067 opt->target = opt->textValue = p+7;
17068 opt->type = PathName; // PathName;
17069 opt->target = &opt->textValue;
17070 } else if(p = strstr(opt->name, " -check ")) {
17071 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17072 opt->value = (def != 0);
17073 opt->type = CheckBox;
17074 } else if(p = strstr(opt->name, " -combo ")) {
17075 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17076 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17077 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17078 opt->value = n = 0;
17079 while(q = StrStr(q, " /// ")) {
17080 n++; *q = 0; // count choices, and null-terminate each of them
17082 if(*q == '*') { // remember default, which is marked with * prefix
17086 cps->comboList[cps->comboCnt++] = q;
17088 cps->comboList[cps->comboCnt++] = NULL;
17090 opt->type = ComboBox;
17091 } else if(p = strstr(opt->name, " -button")) {
17092 opt->type = Button;
17093 } else if(p = strstr(opt->name, " -save")) {
17094 opt->type = SaveButton;
17095 } else return FALSE;
17096 *p = 0; // terminate option name
17097 // now look if the command-line options define a setting for this engine option.
17098 if(cps->optionSettings && cps->optionSettings[0])
17099 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17100 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17101 snprintf(buf, MSG_SIZ, "option %s", p);
17102 if(p = strstr(buf, ",")) *p = 0;
17103 if(q = strchr(buf, '=')) switch(opt->type) {
17105 for(n=0; n<opt->max; n++)
17106 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17109 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17113 opt->value = atoi(q+1);
17118 SendToProgram(buf, cps);
17124 FeatureDone (ChessProgramState *cps, int val)
17126 DelayedEventCallback cb = GetDelayedEvent();
17127 if ((cb == InitBackEnd3 && cps == &first) ||
17128 (cb == SettingsMenuIfReady && cps == &second) ||
17129 (cb == LoadEngine) ||
17130 (cb == TwoMachinesEventIfReady)) {
17131 CancelDelayedEvent();
17132 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17133 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17134 cps->initDone = val;
17135 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17138 /* Parse feature command from engine */
17140 ParseFeatures (char *args, ChessProgramState *cps)
17148 while (*p == ' ') p++;
17149 if (*p == NULLCHAR) return;
17151 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17152 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17153 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17154 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17155 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17156 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17157 if (BoolFeature(&p, "reuse", &val, cps)) {
17158 /* Engine can disable reuse, but can't enable it if user said no */
17159 if (!val) cps->reuse = FALSE;
17162 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17163 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17164 if (gameMode == TwoMachinesPlay) {
17165 DisplayTwoMachinesTitle();
17171 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17172 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17173 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17174 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17175 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17176 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17177 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17178 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17179 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17180 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17181 if (IntFeature(&p, "done", &val, cps)) {
17182 FeatureDone(cps, val);
17185 /* Added by Tord: */
17186 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17187 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17188 /* End of additions by Tord */
17190 /* [HGM] added features: */
17191 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17192 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17193 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17194 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17195 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17196 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17197 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17198 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17199 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17200 FREE(cps->option[cps->nrOptions].name);
17201 cps->option[cps->nrOptions].name = q; q = NULL;
17202 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17203 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17204 SendToProgram(buf, cps);
17207 if(cps->nrOptions >= MAX_OPTIONS) {
17209 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17210 DisplayError(buf, 0);
17214 /* End of additions by HGM */
17216 /* unknown feature: complain and skip */
17218 while (*q && *q != '=') q++;
17219 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17220 SendToProgram(buf, cps);
17226 while (*p && *p != '\"') p++;
17227 if (*p == '\"') p++;
17229 while (*p && *p != ' ') p++;
17237 PeriodicUpdatesEvent (int newState)
17239 if (newState == appData.periodicUpdates)
17242 appData.periodicUpdates=newState;
17244 /* Display type changes, so update it now */
17245 // DisplayAnalysis();
17247 /* Get the ball rolling again... */
17249 AnalysisPeriodicEvent(1);
17250 StartAnalysisClock();
17255 PonderNextMoveEvent (int newState)
17257 if (newState == appData.ponderNextMove) return;
17258 if (gameMode == EditPosition) EditPositionDone(TRUE);
17260 SendToProgram("hard\n", &first);
17261 if (gameMode == TwoMachinesPlay) {
17262 SendToProgram("hard\n", &second);
17265 SendToProgram("easy\n", &first);
17266 thinkOutput[0] = NULLCHAR;
17267 if (gameMode == TwoMachinesPlay) {
17268 SendToProgram("easy\n", &second);
17271 appData.ponderNextMove = newState;
17275 NewSettingEvent (int option, int *feature, char *command, int value)
17279 if (gameMode == EditPosition) EditPositionDone(TRUE);
17280 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17281 if(feature == NULL || *feature) SendToProgram(buf, &first);
17282 if (gameMode == TwoMachinesPlay) {
17283 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17288 ShowThinkingEvent ()
17289 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17291 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17292 int newState = appData.showThinking
17293 // [HGM] thinking: other features now need thinking output as well
17294 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17296 if (oldState == newState) return;
17297 oldState = newState;
17298 if (gameMode == EditPosition) EditPositionDone(TRUE);
17300 SendToProgram("post\n", &first);
17301 if (gameMode == TwoMachinesPlay) {
17302 SendToProgram("post\n", &second);
17305 SendToProgram("nopost\n", &first);
17306 thinkOutput[0] = NULLCHAR;
17307 if (gameMode == TwoMachinesPlay) {
17308 SendToProgram("nopost\n", &second);
17311 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17315 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17317 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17318 if (pr == NoProc) return;
17319 AskQuestion(title, question, replyPrefix, pr);
17323 TypeInEvent (char firstChar)
17325 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17326 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17327 gameMode == AnalyzeMode || gameMode == EditGame ||
17328 gameMode == EditPosition || gameMode == IcsExamining ||
17329 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17330 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17331 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17332 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17333 gameMode == Training) PopUpMoveDialog(firstChar);
17337 TypeInDoneEvent (char *move)
17340 int n, fromX, fromY, toX, toY;
17342 ChessMove moveType;
17345 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17346 EditPositionPasteFEN(move);
17349 // [HGM] movenum: allow move number to be typed in any mode
17350 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17354 // undocumented kludge: allow command-line option to be typed in!
17355 // (potentially fatal, and does not implement the effect of the option.)
17356 // should only be used for options that are values on which future decisions will be made,
17357 // and definitely not on options that would be used during initialization.
17358 if(strstr(move, "!!! -") == move) {
17359 ParseArgsFromString(move+4);
17363 if (gameMode != EditGame && currentMove != forwardMostMove &&
17364 gameMode != Training) {
17365 DisplayMoveError(_("Displayed move is not current"));
17367 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17368 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17369 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17370 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17371 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17372 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17374 DisplayMoveError(_("Could not parse move"));
17380 DisplayMove (int moveNumber)
17382 char message[MSG_SIZ];
17384 char cpThinkOutput[MSG_SIZ];
17386 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17388 if (moveNumber == forwardMostMove - 1 ||
17389 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17391 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17393 if (strchr(cpThinkOutput, '\n')) {
17394 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17397 *cpThinkOutput = NULLCHAR;
17400 /* [AS] Hide thinking from human user */
17401 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17402 *cpThinkOutput = NULLCHAR;
17403 if( thinkOutput[0] != NULLCHAR ) {
17406 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17407 cpThinkOutput[i] = '.';
17409 cpThinkOutput[i] = NULLCHAR;
17410 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17414 if (moveNumber == forwardMostMove - 1 &&
17415 gameInfo.resultDetails != NULL) {
17416 if (gameInfo.resultDetails[0] == NULLCHAR) {
17417 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17419 snprintf(res, MSG_SIZ, " {%s} %s",
17420 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17426 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17427 DisplayMessage(res, cpThinkOutput);
17429 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17430 WhiteOnMove(moveNumber) ? " " : ".. ",
17431 parseList[moveNumber], res);
17432 DisplayMessage(message, cpThinkOutput);
17437 DisplayComment (int moveNumber, char *text)
17439 char title[MSG_SIZ];
17441 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17442 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17444 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17445 WhiteOnMove(moveNumber) ? " " : ".. ",
17446 parseList[moveNumber]);
17448 if (text != NULL && (appData.autoDisplayComment || commentUp))
17449 CommentPopUp(title, text);
17452 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17453 * might be busy thinking or pondering. It can be omitted if your
17454 * gnuchess is configured to stop thinking immediately on any user
17455 * input. However, that gnuchess feature depends on the FIONREAD
17456 * ioctl, which does not work properly on some flavors of Unix.
17459 Attention (ChessProgramState *cps)
17462 if (!cps->useSigint) return;
17463 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17464 switch (gameMode) {
17465 case MachinePlaysWhite:
17466 case MachinePlaysBlack:
17467 case TwoMachinesPlay:
17468 case IcsPlayingWhite:
17469 case IcsPlayingBlack:
17472 /* Skip if we know it isn't thinking */
17473 if (!cps->maybeThinking) return;
17474 if (appData.debugMode)
17475 fprintf(debugFP, "Interrupting %s\n", cps->which);
17476 InterruptChildProcess(cps->pr);
17477 cps->maybeThinking = FALSE;
17482 #endif /*ATTENTION*/
17488 if (whiteTimeRemaining <= 0) {
17491 if (appData.icsActive) {
17492 if (appData.autoCallFlag &&
17493 gameMode == IcsPlayingBlack && !blackFlag) {
17494 SendToICS(ics_prefix);
17495 SendToICS("flag\n");
17499 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17501 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17502 if (appData.autoCallFlag) {
17503 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17510 if (blackTimeRemaining <= 0) {
17513 if (appData.icsActive) {
17514 if (appData.autoCallFlag &&
17515 gameMode == IcsPlayingWhite && !whiteFlag) {
17516 SendToICS(ics_prefix);
17517 SendToICS("flag\n");
17521 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17523 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17524 if (appData.autoCallFlag) {
17525 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17536 CheckTimeControl ()
17538 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17539 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17542 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17544 if ( !WhiteOnMove(forwardMostMove) ) {
17545 /* White made time control */
17546 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17547 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17548 /* [HGM] time odds: correct new time quota for time odds! */
17549 / WhitePlayer()->timeOdds;
17550 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17552 lastBlack -= blackTimeRemaining;
17553 /* Black made time control */
17554 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17555 / WhitePlayer()->other->timeOdds;
17556 lastWhite = whiteTimeRemaining;
17561 DisplayBothClocks ()
17563 int wom = gameMode == EditPosition ?
17564 !blackPlaysFirst : WhiteOnMove(currentMove);
17565 DisplayWhiteClock(whiteTimeRemaining, wom);
17566 DisplayBlackClock(blackTimeRemaining, !wom);
17570 /* Timekeeping seems to be a portability nightmare. I think everyone
17571 has ftime(), but I'm really not sure, so I'm including some ifdefs
17572 to use other calls if you don't. Clocks will be less accurate if
17573 you have neither ftime nor gettimeofday.
17576 /* VS 2008 requires the #include outside of the function */
17577 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17578 #include <sys/timeb.h>
17581 /* Get the current time as a TimeMark */
17583 GetTimeMark (TimeMark *tm)
17585 #if HAVE_GETTIMEOFDAY
17587 struct timeval timeVal;
17588 struct timezone timeZone;
17590 gettimeofday(&timeVal, &timeZone);
17591 tm->sec = (long) timeVal.tv_sec;
17592 tm->ms = (int) (timeVal.tv_usec / 1000L);
17594 #else /*!HAVE_GETTIMEOFDAY*/
17597 // include <sys/timeb.h> / moved to just above start of function
17598 struct timeb timeB;
17601 tm->sec = (long) timeB.time;
17602 tm->ms = (int) timeB.millitm;
17604 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17605 tm->sec = (long) time(NULL);
17611 /* Return the difference in milliseconds between two
17612 time marks. We assume the difference will fit in a long!
17615 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17617 return 1000L*(tm2->sec - tm1->sec) +
17618 (long) (tm2->ms - tm1->ms);
17623 * Code to manage the game clocks.
17625 * In tournament play, black starts the clock and then white makes a move.
17626 * We give the human user a slight advantage if he is playing white---the
17627 * clocks don't run until he makes his first move, so it takes zero time.
17628 * Also, we don't account for network lag, so we could get out of sync
17629 * with GNU Chess's clock -- but then, referees are always right.
17632 static TimeMark tickStartTM;
17633 static long intendedTickLength;
17636 NextTickLength (long timeRemaining)
17638 long nominalTickLength, nextTickLength;
17640 if (timeRemaining > 0L && timeRemaining <= 10000L)
17641 nominalTickLength = 100L;
17643 nominalTickLength = 1000L;
17644 nextTickLength = timeRemaining % nominalTickLength;
17645 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17647 return nextTickLength;
17650 /* Adjust clock one minute up or down */
17652 AdjustClock (Boolean which, int dir)
17654 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17655 if(which) blackTimeRemaining += 60000*dir;
17656 else whiteTimeRemaining += 60000*dir;
17657 DisplayBothClocks();
17658 adjustedClock = TRUE;
17661 /* Stop clocks and reset to a fresh time control */
17665 (void) StopClockTimer();
17666 if (appData.icsActive) {
17667 whiteTimeRemaining = blackTimeRemaining = 0;
17668 } else if (searchTime) {
17669 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17670 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17671 } else { /* [HGM] correct new time quote for time odds */
17672 whiteTC = blackTC = fullTimeControlString;
17673 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17674 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17676 if (whiteFlag || blackFlag) {
17678 whiteFlag = blackFlag = FALSE;
17680 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17681 DisplayBothClocks();
17682 adjustedClock = FALSE;
17685 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17687 /* Decrement running clock by amount of time that has passed */
17691 long timeRemaining;
17692 long lastTickLength, fudge;
17695 if (!appData.clockMode) return;
17696 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17700 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17702 /* Fudge if we woke up a little too soon */
17703 fudge = intendedTickLength - lastTickLength;
17704 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17706 if (WhiteOnMove(forwardMostMove)) {
17707 if(whiteNPS >= 0) lastTickLength = 0;
17708 timeRemaining = whiteTimeRemaining -= lastTickLength;
17709 if(timeRemaining < 0 && !appData.icsActive) {
17710 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17711 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17712 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17713 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17716 DisplayWhiteClock(whiteTimeRemaining - fudge,
17717 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17719 if(blackNPS >= 0) lastTickLength = 0;
17720 timeRemaining = blackTimeRemaining -= lastTickLength;
17721 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17722 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17724 blackStartMove = forwardMostMove;
17725 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17728 DisplayBlackClock(blackTimeRemaining - fudge,
17729 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17731 if (CheckFlags()) return;
17733 if(twoBoards) { // count down secondary board's clocks as well
17734 activePartnerTime -= lastTickLength;
17736 if(activePartner == 'W')
17737 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17739 DisplayBlackClock(activePartnerTime, TRUE);
17744 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17745 StartClockTimer(intendedTickLength);
17747 /* if the time remaining has fallen below the alarm threshold, sound the
17748 * alarm. if the alarm has sounded and (due to a takeback or time control
17749 * with increment) the time remaining has increased to a level above the
17750 * threshold, reset the alarm so it can sound again.
17753 if (appData.icsActive && appData.icsAlarm) {
17755 /* make sure we are dealing with the user's clock */
17756 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17757 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17760 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17761 alarmSounded = FALSE;
17762 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17764 alarmSounded = TRUE;
17770 /* A player has just moved, so stop the previously running
17771 clock and (if in clock mode) start the other one.
17772 We redisplay both clocks in case we're in ICS mode, because
17773 ICS gives us an update to both clocks after every move.
17774 Note that this routine is called *after* forwardMostMove
17775 is updated, so the last fractional tick must be subtracted
17776 from the color that is *not* on move now.
17779 SwitchClocks (int newMoveNr)
17781 long lastTickLength;
17783 int flagged = FALSE;
17787 if (StopClockTimer() && appData.clockMode) {
17788 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17789 if (!WhiteOnMove(forwardMostMove)) {
17790 if(blackNPS >= 0) lastTickLength = 0;
17791 blackTimeRemaining -= lastTickLength;
17792 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17793 // if(pvInfoList[forwardMostMove].time == -1)
17794 pvInfoList[forwardMostMove].time = // use GUI time
17795 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17797 if(whiteNPS >= 0) lastTickLength = 0;
17798 whiteTimeRemaining -= lastTickLength;
17799 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17800 // if(pvInfoList[forwardMostMove].time == -1)
17801 pvInfoList[forwardMostMove].time =
17802 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17804 flagged = CheckFlags();
17806 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17807 CheckTimeControl();
17809 if (flagged || !appData.clockMode) return;
17811 switch (gameMode) {
17812 case MachinePlaysBlack:
17813 case MachinePlaysWhite:
17814 case BeginningOfGame:
17815 if (pausing) return;
17819 case PlayFromGameFile:
17827 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17828 if(WhiteOnMove(forwardMostMove))
17829 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17830 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17834 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17835 whiteTimeRemaining : blackTimeRemaining);
17836 StartClockTimer(intendedTickLength);
17840 /* Stop both clocks */
17844 long lastTickLength;
17847 if (!StopClockTimer()) return;
17848 if (!appData.clockMode) return;
17852 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17853 if (WhiteOnMove(forwardMostMove)) {
17854 if(whiteNPS >= 0) lastTickLength = 0;
17855 whiteTimeRemaining -= lastTickLength;
17856 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17858 if(blackNPS >= 0) lastTickLength = 0;
17859 blackTimeRemaining -= lastTickLength;
17860 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17865 /* Start clock of player on move. Time may have been reset, so
17866 if clock is already running, stop and restart it. */
17870 (void) StopClockTimer(); /* in case it was running already */
17871 DisplayBothClocks();
17872 if (CheckFlags()) return;
17874 if (!appData.clockMode) return;
17875 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17877 GetTimeMark(&tickStartTM);
17878 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17879 whiteTimeRemaining : blackTimeRemaining);
17881 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17882 whiteNPS = blackNPS = -1;
17883 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17884 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17885 whiteNPS = first.nps;
17886 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17887 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17888 blackNPS = first.nps;
17889 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17890 whiteNPS = second.nps;
17891 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17892 blackNPS = second.nps;
17893 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17895 StartClockTimer(intendedTickLength);
17899 TimeString (long ms)
17901 long second, minute, hour, day;
17903 static char buf[32];
17905 if (ms > 0 && ms <= 9900) {
17906 /* convert milliseconds to tenths, rounding up */
17907 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17909 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17913 /* convert milliseconds to seconds, rounding up */
17914 /* use floating point to avoid strangeness of integer division
17915 with negative dividends on many machines */
17916 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17923 day = second / (60 * 60 * 24);
17924 second = second % (60 * 60 * 24);
17925 hour = second / (60 * 60);
17926 second = second % (60 * 60);
17927 minute = second / 60;
17928 second = second % 60;
17931 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17932 sign, day, hour, minute, second);
17934 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17936 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17943 * This is necessary because some C libraries aren't ANSI C compliant yet.
17946 StrStr (char *string, char *match)
17950 length = strlen(match);
17952 for (i = strlen(string) - length; i >= 0; i--, string++)
17953 if (!strncmp(match, string, length))
17960 StrCaseStr (char *string, char *match)
17964 length = strlen(match);
17966 for (i = strlen(string) - length; i >= 0; i--, string++) {
17967 for (j = 0; j < length; j++) {
17968 if (ToLower(match[j]) != ToLower(string[j]))
17971 if (j == length) return string;
17979 StrCaseCmp (char *s1, char *s2)
17984 c1 = ToLower(*s1++);
17985 c2 = ToLower(*s2++);
17986 if (c1 > c2) return 1;
17987 if (c1 < c2) return -1;
17988 if (c1 == NULLCHAR) return 0;
17996 return isupper(c) ? tolower(c) : c;
18003 return islower(c) ? toupper(c) : c;
18005 #endif /* !_amigados */
18012 if ((ret = (char *) malloc(strlen(s) + 1)))
18014 safeStrCpy(ret, s, strlen(s)+1);
18020 StrSavePtr (char *s, char **savePtr)
18025 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18026 safeStrCpy(*savePtr, s, strlen(s)+1);
18038 clock = time((time_t *)NULL);
18039 tm = localtime(&clock);
18040 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18041 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18042 return StrSave(buf);
18047 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18049 int i, j, fromX, fromY, toX, toY;
18050 int whiteToPlay, haveRights = nrCastlingRights;
18056 whiteToPlay = (gameMode == EditPosition) ?
18057 !blackPlaysFirst : (move % 2 == 0);
18060 /* Piece placement data */
18061 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18062 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18064 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18065 if (boards[move][i][j] == EmptySquare) {
18067 } else { ChessSquare piece = boards[move][i][j];
18068 if (emptycount > 0) {
18069 if(emptycount<10) /* [HGM] can be >= 10 */
18070 *p++ = '0' + emptycount;
18071 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18074 if(PieceToChar(piece) == '+') {
18075 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18077 piece = (ChessSquare)(CHUDEMOTED(piece));
18079 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18080 if(*p = PieceSuffix(piece)) p++;
18082 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18083 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18088 if (emptycount > 0) {
18089 if(emptycount<10) /* [HGM] can be >= 10 */
18090 *p++ = '0' + emptycount;
18091 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18098 /* [HGM] print Crazyhouse or Shogi holdings */
18099 if( gameInfo.holdingsWidth ) {
18100 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18102 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18103 piece = boards[move][i][BOARD_WIDTH-1];
18104 if( piece != EmptySquare )
18105 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18106 *p++ = PieceToChar(piece);
18108 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18109 piece = boards[move][BOARD_HEIGHT-i-1][0];
18110 if( piece != EmptySquare )
18111 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18112 *p++ = PieceToChar(piece);
18115 if( q == p ) *p++ = '-';
18121 *p++ = whiteToPlay ? 'w' : 'b';
18124 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18125 haveRights = 0; q = p;
18126 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18127 piece = boards[move][0][i];
18128 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18129 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18132 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18133 piece = boards[move][BOARD_HEIGHT-1][i];
18134 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18135 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18138 if(p == q) *p++ = '-';
18142 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18143 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18146 int handW=0, handB=0;
18147 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18148 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18149 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18152 if(appData.fischerCastling) {
18153 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18154 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18155 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18157 /* [HGM] write directly from rights */
18158 if(boards[move][CASTLING][2] != NoRights &&
18159 boards[move][CASTLING][0] != NoRights )
18160 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18161 if(boards[move][CASTLING][2] != NoRights &&
18162 boards[move][CASTLING][1] != NoRights )
18163 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18166 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18167 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18169 if(boards[move][CASTLING][5] != NoRights &&
18170 boards[move][CASTLING][3] != NoRights )
18171 *p++ = boards[move][CASTLING][3] + AAA;
18172 if(boards[move][CASTLING][5] != NoRights &&
18173 boards[move][CASTLING][4] != NoRights )
18174 *p++ = boards[move][CASTLING][4] + AAA;
18178 /* [HGM] write true castling rights */
18179 if( nrCastlingRights == 6 ) {
18181 if(boards[move][CASTLING][0] != NoRights &&
18182 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18183 q = (boards[move][CASTLING][1] != NoRights &&
18184 boards[move][CASTLING][2] != NoRights );
18185 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18186 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18187 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18188 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18192 if(boards[move][CASTLING][3] != NoRights &&
18193 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18194 q = (boards[move][CASTLING][4] != NoRights &&
18195 boards[move][CASTLING][5] != NoRights );
18197 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18198 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18199 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18204 if (q == p) *p++ = '-'; /* No castling rights */
18208 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18209 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18210 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18211 /* En passant target square */
18212 if (move > backwardMostMove) {
18213 fromX = moveList[move - 1][0] - AAA;
18214 fromY = moveList[move - 1][1] - ONE;
18215 toX = moveList[move - 1][2] - AAA;
18216 toY = moveList[move - 1][3] - ONE;
18217 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18218 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18219 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18221 /* 2-square pawn move just happened */
18223 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18227 } else if(move == backwardMostMove) {
18228 // [HGM] perhaps we should always do it like this, and forget the above?
18229 if((signed char)boards[move][EP_STATUS] >= 0) {
18230 *p++ = boards[move][EP_STATUS] + AAA;
18231 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18243 { int i = 0, j=move;
18245 /* [HGM] find reversible plies */
18246 if (appData.debugMode) { int k;
18247 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18248 for(k=backwardMostMove; k<=forwardMostMove; k++)
18249 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18253 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18254 if( j == backwardMostMove ) i += initialRulePlies;
18255 sprintf(p, "%d ", i);
18256 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18258 /* Fullmove number */
18259 sprintf(p, "%d", (move / 2) + 1);
18260 } else *--p = NULLCHAR;
18262 return StrSave(buf);
18266 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18268 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18270 int emptycount, virgin[BOARD_FILES];
18271 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18275 /* Piece placement data */
18276 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18279 if (*p == '/' || *p == ' ' || *p == '[' ) {
18281 emptycount = gameInfo.boardWidth - j;
18282 while (emptycount--)
18283 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18284 if (*p == '/') p++;
18285 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18286 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18287 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18289 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18292 #if(BOARD_FILES >= 10)*0
18293 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18294 p++; emptycount=10;
18295 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18296 while (emptycount--)
18297 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18299 } else if (*p == '*') {
18300 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18301 } else if (isdigit(*p)) {
18302 emptycount = *p++ - '0';
18303 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18304 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18305 while (emptycount--)
18306 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18307 } else if (*p == '<') {
18308 if(i == BOARD_HEIGHT-1) shuffle = 1;
18309 else if (i != 0 || !shuffle) return FALSE;
18311 } else if (shuffle && *p == '>') {
18312 p++; // for now ignore closing shuffle range, and assume rank-end
18313 } else if (*p == '?') {
18314 if (j >= gameInfo.boardWidth) return FALSE;
18315 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18316 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18317 } else if (*p == '+' || isalpha(*p)) {
18318 char *q, *s = SUFFIXES;
18319 if (j >= gameInfo.boardWidth) return FALSE;
18322 if(q = strchr(s, p[1])) p++;
18323 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18324 if(piece == EmptySquare) return FALSE; /* unknown piece */
18325 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18326 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18329 if(q = strchr(s, *p)) p++;
18330 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18333 if(piece==EmptySquare) return FALSE; /* unknown piece */
18334 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18335 piece = (ChessSquare) (PROMOTED(piece));
18336 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18339 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18340 if(piece == king) wKingRank = i;
18341 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18347 while (*p == '/' || *p == ' ') p++;
18349 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18351 /* [HGM] by default clear Crazyhouse holdings, if present */
18352 if(gameInfo.holdingsWidth) {
18353 for(i=0; i<BOARD_HEIGHT; i++) {
18354 board[i][0] = EmptySquare; /* black holdings */
18355 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18356 board[i][1] = (ChessSquare) 0; /* black counts */
18357 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18361 /* [HGM] look for Crazyhouse holdings here */
18362 while(*p==' ') p++;
18363 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18364 int swap=0, wcnt=0, bcnt=0;
18366 if(*p == '<') swap++, p++;
18367 if(*p == '-' ) p++; /* empty holdings */ else {
18368 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18369 /* if we would allow FEN reading to set board size, we would */
18370 /* have to add holdings and shift the board read so far here */
18371 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18373 if((int) piece >= (int) BlackPawn ) {
18374 i = (int)piece - (int)BlackPawn;
18375 i = PieceToNumber((ChessSquare)i);
18376 if( i >= gameInfo.holdingsSize ) return FALSE;
18377 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18378 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18381 i = (int)piece - (int)WhitePawn;
18382 i = PieceToNumber((ChessSquare)i);
18383 if( i >= gameInfo.holdingsSize ) return FALSE;
18384 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18385 board[i][BOARD_WIDTH-2]++; /* black holdings */
18389 if(subst) { // substitute back-rank question marks by holdings pieces
18390 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18391 int k, m, n = bcnt + 1;
18392 if(board[0][j] == ClearBoard) {
18393 if(!wcnt) return FALSE;
18395 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18396 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18397 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18401 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18402 if(!bcnt) return FALSE;
18403 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18404 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18405 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18406 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18417 if(subst) return FALSE; // substitution requested, but no holdings
18419 while(*p == ' ') p++;
18423 if(appData.colorNickNames) {
18424 if( c == appData.colorNickNames[0] ) c = 'w'; else
18425 if( c == appData.colorNickNames[1] ) c = 'b';
18429 *blackPlaysFirst = FALSE;
18432 *blackPlaysFirst = TRUE;
18438 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18439 /* return the extra info in global variiables */
18441 while(*p==' ') p++;
18443 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18444 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18445 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18448 /* set defaults in case FEN is incomplete */
18449 board[EP_STATUS] = EP_UNKNOWN;
18450 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18451 for(i=0; i<nrCastlingRights; i++ ) {
18452 board[CASTLING][i] =
18453 appData.fischerCastling ? NoRights : initialRights[i];
18454 } /* assume possible unless obviously impossible */
18455 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18456 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18457 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18458 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18459 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18460 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18461 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18462 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18465 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18468 while(isalpha(*p)) {
18469 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18470 if(islower(*p)) b |= 1 << (*p++ - 'a');
18474 board[TOUCHED_W] = ~w;
18475 board[TOUCHED_B] = ~b;
18476 while(*p == ' ') p++;
18480 if(nrCastlingRights) {
18482 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18483 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18484 /* castling indicator present, so default becomes no castlings */
18485 for(i=0; i<nrCastlingRights; i++ ) {
18486 board[CASTLING][i] = NoRights;
18489 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18490 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18491 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18492 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18493 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18495 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18496 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18497 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18499 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18500 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18501 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18502 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18503 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18504 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18507 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18508 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18509 board[CASTLING][2] = whiteKingFile;
18510 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18511 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18512 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18515 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18516 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18517 board[CASTLING][2] = whiteKingFile;
18518 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18519 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18520 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18523 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18524 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18525 board[CASTLING][5] = blackKingFile;
18526 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18527 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18528 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18531 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18532 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18533 board[CASTLING][5] = blackKingFile;
18534 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18535 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18536 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18539 default: /* FRC castlings */
18540 if(c >= 'a') { /* black rights */
18541 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18542 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18543 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18544 if(i == BOARD_RGHT) break;
18545 board[CASTLING][5] = i;
18547 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18548 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18550 board[CASTLING][3] = c;
18552 board[CASTLING][4] = c;
18553 } else { /* white rights */
18554 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18555 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18556 if(board[0][i] == WhiteKing) break;
18557 if(i == BOARD_RGHT) break;
18558 board[CASTLING][2] = i;
18559 c -= AAA - 'a' + 'A';
18560 if(board[0][c] >= WhiteKing) break;
18562 board[CASTLING][0] = c;
18564 board[CASTLING][1] = c;
18568 for(i=0; i<nrCastlingRights; i++)
18569 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18570 if(gameInfo.variant == VariantSChess)
18571 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18572 if(fischer && shuffle) appData.fischerCastling = TRUE;
18573 if (appData.debugMode) {
18574 fprintf(debugFP, "FEN castling rights:");
18575 for(i=0; i<nrCastlingRights; i++)
18576 fprintf(debugFP, " %d", board[CASTLING][i]);
18577 fprintf(debugFP, "\n");
18580 while(*p==' ') p++;
18583 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18585 /* read e.p. field in games that know e.p. capture */
18586 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18587 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18588 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18590 p++; board[EP_STATUS] = EP_NONE;
18592 char c = *p++ - AAA;
18594 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18595 if(*p >= '0' && *p <='9') p++;
18596 board[EP_STATUS] = c;
18601 if(sscanf(p, "%d", &i) == 1) {
18602 FENrulePlies = i; /* 50-move ply counter */
18603 /* (The move number is still ignored) */
18610 EditPositionPasteFEN (char *fen)
18613 Board initial_position;
18615 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18616 DisplayError(_("Bad FEN position in clipboard"), 0);
18619 int savedBlackPlaysFirst = blackPlaysFirst;
18620 EditPositionEvent();
18621 blackPlaysFirst = savedBlackPlaysFirst;
18622 CopyBoard(boards[0], initial_position);
18623 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18624 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18625 DisplayBothClocks();
18626 DrawPosition(FALSE, boards[currentMove]);
18631 static char cseq[12] = "\\ ";
18634 set_cont_sequence (char *new_seq)
18639 // handle bad attempts to set the sequence
18641 return 0; // acceptable error - no debug
18643 len = strlen(new_seq);
18644 ret = (len > 0) && (len < sizeof(cseq));
18646 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18647 else if (appData.debugMode)
18648 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18653 reformat a source message so words don't cross the width boundary. internal
18654 newlines are not removed. returns the wrapped size (no null character unless
18655 included in source message). If dest is NULL, only calculate the size required
18656 for the dest buffer. lp argument indicats line position upon entry, and it's
18657 passed back upon exit.
18660 wrap (char *dest, char *src, int count, int width, int *lp)
18662 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18664 cseq_len = strlen(cseq);
18665 old_line = line = *lp;
18666 ansi = len = clen = 0;
18668 for (i=0; i < count; i++)
18670 if (src[i] == '\033')
18673 // if we hit the width, back up
18674 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18676 // store i & len in case the word is too long
18677 old_i = i, old_len = len;
18679 // find the end of the last word
18680 while (i && src[i] != ' ' && src[i] != '\n')
18686 // word too long? restore i & len before splitting it
18687 if ((old_i-i+clen) >= width)
18694 if (i && src[i-1] == ' ')
18697 if (src[i] != ' ' && src[i] != '\n')
18704 // now append the newline and continuation sequence
18709 strncpy(dest+len, cseq, cseq_len);
18717 dest[len] = src[i];
18721 if (src[i] == '\n')
18726 if (dest && appData.debugMode)
18728 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18729 count, width, line, len, *lp);
18730 show_bytes(debugFP, src, count);
18731 fprintf(debugFP, "\ndest: ");
18732 show_bytes(debugFP, dest, len);
18733 fprintf(debugFP, "\n");
18735 *lp = dest ? line : old_line;
18740 // [HGM] vari: routines for shelving variations
18741 Boolean modeRestore = FALSE;
18744 PushInner (int firstMove, int lastMove)
18746 int i, j, nrMoves = lastMove - firstMove;
18748 // push current tail of game on stack
18749 savedResult[storedGames] = gameInfo.result;
18750 savedDetails[storedGames] = gameInfo.resultDetails;
18751 gameInfo.resultDetails = NULL;
18752 savedFirst[storedGames] = firstMove;
18753 savedLast [storedGames] = lastMove;
18754 savedFramePtr[storedGames] = framePtr;
18755 framePtr -= nrMoves; // reserve space for the boards
18756 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18757 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18758 for(j=0; j<MOVE_LEN; j++)
18759 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18760 for(j=0; j<2*MOVE_LEN; j++)
18761 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18762 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18763 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18764 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18765 pvInfoList[firstMove+i-1].depth = 0;
18766 commentList[framePtr+i] = commentList[firstMove+i];
18767 commentList[firstMove+i] = NULL;
18771 forwardMostMove = firstMove; // truncate game so we can start variation
18775 PushTail (int firstMove, int lastMove)
18777 if(appData.icsActive) { // only in local mode
18778 forwardMostMove = currentMove; // mimic old ICS behavior
18781 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18783 PushInner(firstMove, lastMove);
18784 if(storedGames == 1) GreyRevert(FALSE);
18785 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18789 PopInner (Boolean annotate)
18792 char buf[8000], moveBuf[20];
18794 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18795 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18796 nrMoves = savedLast[storedGames] - currentMove;
18799 if(!WhiteOnMove(currentMove))
18800 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18801 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18802 for(i=currentMove; i<forwardMostMove; i++) {
18804 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18805 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18806 strcat(buf, moveBuf);
18807 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18808 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18812 for(i=1; i<=nrMoves; i++) { // copy last variation back
18813 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18814 for(j=0; j<MOVE_LEN; j++)
18815 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18816 for(j=0; j<2*MOVE_LEN; j++)
18817 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18818 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18819 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18820 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18821 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18822 commentList[currentMove+i] = commentList[framePtr+i];
18823 commentList[framePtr+i] = NULL;
18825 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18826 framePtr = savedFramePtr[storedGames];
18827 gameInfo.result = savedResult[storedGames];
18828 if(gameInfo.resultDetails != NULL) {
18829 free(gameInfo.resultDetails);
18831 gameInfo.resultDetails = savedDetails[storedGames];
18832 forwardMostMove = currentMove + nrMoves;
18836 PopTail (Boolean annotate)
18838 if(appData.icsActive) return FALSE; // only in local mode
18839 if(!storedGames) return FALSE; // sanity
18840 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18842 PopInner(annotate);
18843 if(currentMove < forwardMostMove) ForwardEvent(); else
18844 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18846 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18852 { // remove all shelved variations
18854 for(i=0; i<storedGames; i++) {
18855 if(savedDetails[i])
18856 free(savedDetails[i]);
18857 savedDetails[i] = NULL;
18859 for(i=framePtr; i<MAX_MOVES; i++) {
18860 if(commentList[i]) free(commentList[i]);
18861 commentList[i] = NULL;
18863 framePtr = MAX_MOVES-1;
18868 LoadVariation (int index, char *text)
18869 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18870 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18871 int level = 0, move;
18873 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18874 // first find outermost bracketing variation
18875 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18876 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18877 if(*p == '{') wait = '}'; else
18878 if(*p == '[') wait = ']'; else
18879 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18880 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18882 if(*p == wait) wait = NULLCHAR; // closing ]} found
18885 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18886 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18887 end[1] = NULLCHAR; // clip off comment beyond variation
18888 ToNrEvent(currentMove-1);
18889 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18890 // kludge: use ParsePV() to append variation to game
18891 move = currentMove;
18892 ParsePV(start, TRUE, TRUE);
18893 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18894 ClearPremoveHighlights();
18896 ToNrEvent(currentMove+1);
18902 char *p, *q, buf[MSG_SIZ];
18903 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18904 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18905 ParseArgsFromString(buf);
18906 ActivateTheme(TRUE); // also redo colors
18910 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18913 q = appData.themeNames;
18914 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18915 if(appData.useBitmaps) {
18916 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18917 appData.liteBackTextureFile, appData.darkBackTextureFile,
18918 appData.liteBackTextureMode,
18919 appData.darkBackTextureMode );
18921 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18922 Col2Text(2), // lightSquareColor
18923 Col2Text(3) ); // darkSquareColor
18925 if(appData.useBorder) {
18926 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18929 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18931 if(appData.useFont) {
18932 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18933 appData.renderPiecesWithFont,
18934 appData.fontToPieceTable,
18935 Col2Text(9), // appData.fontBackColorWhite
18936 Col2Text(10) ); // appData.fontForeColorBlack
18938 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18939 appData.pieceDirectory);
18940 if(!appData.pieceDirectory[0])
18941 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18942 Col2Text(0), // whitePieceColor
18943 Col2Text(1) ); // blackPieceColor
18945 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18946 Col2Text(4), // highlightSquareColor
18947 Col2Text(5) ); // premoveHighlightColor
18948 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18949 if(insert != q) insert[-1] = NULLCHAR;
18950 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18953 ActivateTheme(FALSE);