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, 666); // [HGM] 666 is kludge to alert front end
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');
5164 else if(*c && m[8]) { // kill square followed by 2 characters: 2nd kill square rather than promo suffix
5166 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to three moves
5171 m[2], m[3] - '0', c);
5173 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5176 m[2], m[3] - '0', c);
5177 SendToProgram(buf, cps);
5179 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5180 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5181 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5182 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5183 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5185 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5186 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5187 SendToProgram(buf, cps);
5189 else SendToProgram(moveList[moveNum], cps);
5190 /* End of additions by Tord */
5193 /* [HGM] setting up the opening has brought engine in force mode! */
5194 /* Send 'go' if we are in a mode where machine should play. */
5195 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5196 (gameMode == TwoMachinesPlay ||
5198 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5200 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5201 SendToProgram("go\n", cps);
5202 if (appData.debugMode) {
5203 fprintf(debugFP, "(extra)\n");
5206 setboardSpoiledMachineBlack = 0;
5210 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5212 char user_move[MSG_SIZ];
5215 if(gameInfo.variant == VariantSChess && promoChar) {
5216 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5217 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5218 } else suffix[0] = NULLCHAR;
5222 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5223 (int)moveType, fromX, fromY, toX, toY);
5224 DisplayError(user_move + strlen("say "), 0);
5226 case WhiteKingSideCastle:
5227 case BlackKingSideCastle:
5228 case WhiteQueenSideCastleWild:
5229 case BlackQueenSideCastleWild:
5231 case WhiteHSideCastleFR:
5232 case BlackHSideCastleFR:
5234 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5236 case WhiteQueenSideCastle:
5237 case BlackQueenSideCastle:
5238 case WhiteKingSideCastleWild:
5239 case BlackKingSideCastleWild:
5241 case WhiteASideCastleFR:
5242 case BlackASideCastleFR:
5244 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5246 case WhiteNonPromotion:
5247 case BlackNonPromotion:
5248 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5250 case WhitePromotion:
5251 case BlackPromotion:
5252 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5253 gameInfo.variant == VariantMakruk)
5254 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5255 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5256 PieceToChar(WhiteFerz));
5257 else if(gameInfo.variant == VariantGreat)
5258 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5259 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5260 PieceToChar(WhiteMan));
5262 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5263 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5269 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5270 ToUpper(PieceToChar((ChessSquare) fromX)),
5271 AAA + toX, ONE + toY);
5273 case IllegalMove: /* could be a variant we don't quite understand */
5274 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5276 case WhiteCapturesEnPassant:
5277 case BlackCapturesEnPassant:
5278 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5279 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5282 SendToICS(user_move);
5283 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5284 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5289 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5290 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5291 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5292 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5293 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5296 if(gameMode != IcsExamining) { // is this ever not the case?
5297 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5299 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5300 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5301 } else { // on FICS we must first go to general examine mode
5302 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5304 if(gameInfo.variant != VariantNormal) {
5305 // try figure out wild number, as xboard names are not always valid on ICS
5306 for(i=1; i<=36; i++) {
5307 snprintf(buf, MSG_SIZ, "wild/%d", i);
5308 if(StringToVariant(buf) == gameInfo.variant) break;
5310 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5311 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5312 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5313 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5314 SendToICS(ics_prefix);
5316 if(startedFromSetupPosition || backwardMostMove != 0) {
5317 fen = PositionToFEN(backwardMostMove, NULL, 1);
5318 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5319 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5321 } else { // FICS: everything has to set by separate bsetup commands
5322 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5323 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5325 if(!WhiteOnMove(backwardMostMove)) {
5326 SendToICS("bsetup tomove black\n");
5328 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5329 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5331 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5332 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5334 i = boards[backwardMostMove][EP_STATUS];
5335 if(i >= 0) { // set e.p.
5336 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5342 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5343 SendToICS("bsetup done\n"); // switch to normal examining.
5345 for(i = backwardMostMove; i<last; i++) {
5347 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5348 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5349 int len = strlen(moveList[i]);
5350 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5351 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5355 SendToICS(ics_prefix);
5356 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5359 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5363 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5365 if (rf == DROP_RANK) {
5366 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5367 sprintf(move, "%c@%c%c\n",
5368 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5370 if (promoChar == 'x' || promoChar == NULLCHAR) {
5371 sprintf(move, "%c%c%c%c\n",
5372 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5373 if(killX >= 0 && killY >= 0) {
5374 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5375 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + kill2X, ONE + kill2Y);
5378 sprintf(move, "%c%c%c%c%c\n",
5379 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5380 if(killX >= 0 && killY >= 0) {
5381 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5382 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + kill2X, ONE + kill2Y, promoChar);
5389 ProcessICSInitScript (FILE *f)
5393 while (fgets(buf, MSG_SIZ, f)) {
5394 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5401 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5403 static ClickType lastClickType;
5406 PieceInString (char *s, ChessSquare piece)
5408 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5409 while((p = strchr(s, ID))) {
5410 if(!suffix || p[1] == suffix) return TRUE;
5417 Partner (ChessSquare *p)
5418 { // change piece into promotion partner if one shogi-promotes to the other
5419 ChessSquare partner = promoPartner[*p];
5420 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5421 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5429 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5430 static int toggleFlag;
5431 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5432 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5433 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5434 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5435 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5436 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5438 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5439 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5440 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5441 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5442 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5443 if(!step) step = -1;
5444 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5445 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5446 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5447 promoSweep == pawn ||
5448 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5449 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5451 int victim = boards[currentMove][toY][toX];
5452 boards[currentMove][toY][toX] = promoSweep;
5453 DrawPosition(FALSE, boards[currentMove]);
5454 boards[currentMove][toY][toX] = victim;
5456 ChangeDragPiece(promoSweep);
5460 PromoScroll (int x, int y)
5464 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5465 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5466 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5467 if(!step) return FALSE;
5468 lastX = x; lastY = y;
5469 if((promoSweep < BlackPawn) == flipView) step = -step;
5470 if(step > 0) selectFlag = 1;
5471 if(!selectFlag) Sweep(step);
5476 NextPiece (int step)
5478 ChessSquare piece = boards[currentMove][toY][toX];
5481 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5482 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5483 if(!step) step = -1;
5484 } while(PieceToChar(pieceSweep) == '.');
5485 boards[currentMove][toY][toX] = pieceSweep;
5486 DrawPosition(FALSE, boards[currentMove]);
5487 boards[currentMove][toY][toX] = piece;
5489 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5491 AlphaRank (char *move, int n)
5493 // char *p = move, c; int x, y;
5495 if (appData.debugMode) {
5496 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5500 move[2]>='0' && move[2]<='9' &&
5501 move[3]>='a' && move[3]<='x' ) {
5503 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5504 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5506 if(move[0]>='0' && move[0]<='9' &&
5507 move[1]>='a' && move[1]<='x' &&
5508 move[2]>='0' && move[2]<='9' &&
5509 move[3]>='a' && move[3]<='x' ) {
5510 /* input move, Shogi -> normal */
5511 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5512 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5513 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5514 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5517 move[3]>='0' && move[3]<='9' &&
5518 move[2]>='a' && move[2]<='x' ) {
5520 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5521 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5524 move[0]>='a' && move[0]<='x' &&
5525 move[3]>='0' && move[3]<='9' &&
5526 move[2]>='a' && move[2]<='x' ) {
5527 /* output move, normal -> Shogi */
5528 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5529 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5530 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5531 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5532 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5534 if (appData.debugMode) {
5535 fprintf(debugFP, " out = '%s'\n", move);
5539 char yy_textstr[8000];
5541 /* Parser for moves from gnuchess, ICS, or user typein box */
5543 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5545 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5547 switch (*moveType) {
5548 case WhitePromotion:
5549 case BlackPromotion:
5550 case WhiteNonPromotion:
5551 case BlackNonPromotion:
5554 case WhiteCapturesEnPassant:
5555 case BlackCapturesEnPassant:
5556 case WhiteKingSideCastle:
5557 case WhiteQueenSideCastle:
5558 case BlackKingSideCastle:
5559 case BlackQueenSideCastle:
5560 case WhiteKingSideCastleWild:
5561 case WhiteQueenSideCastleWild:
5562 case BlackKingSideCastleWild:
5563 case BlackQueenSideCastleWild:
5564 /* Code added by Tord: */
5565 case WhiteHSideCastleFR:
5566 case WhiteASideCastleFR:
5567 case BlackHSideCastleFR:
5568 case BlackASideCastleFR:
5569 /* End of code added by Tord */
5570 case IllegalMove: /* bug or odd chess variant */
5571 if(currentMoveString[1] == '@') { // illegal drop
5572 *fromX = WhiteOnMove(moveNum) ?
5573 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5574 (int) CharToPiece(ToLower(currentMoveString[0]));
5577 *fromX = currentMoveString[0] - AAA;
5578 *fromY = currentMoveString[1] - ONE;
5579 *toX = currentMoveString[2] - AAA;
5580 *toY = currentMoveString[3] - ONE;
5581 *promoChar = currentMoveString[4];
5582 if(*promoChar == ';') *promoChar = currentMoveString[7 + 2*(currentMoveString[8] != 0)];
5583 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5584 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5585 if (appData.debugMode) {
5586 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5588 *fromX = *fromY = *toX = *toY = 0;
5591 if (appData.testLegality) {
5592 return (*moveType != IllegalMove);
5594 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5595 // [HGM] lion: if this is a double move we are less critical
5596 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5601 *fromX = *moveType == WhiteDrop ?
5602 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5603 (int) CharToPiece(ToLower(currentMoveString[0]));
5606 *toX = currentMoveString[2] - AAA;
5607 *toY = currentMoveString[3] - ONE;
5608 *promoChar = NULLCHAR;
5612 case ImpossibleMove:
5622 if (appData.debugMode) {
5623 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5626 *fromX = *fromY = *toX = *toY = 0;
5627 *promoChar = NULLCHAR;
5632 Boolean pushed = FALSE;
5633 char *lastParseAttempt;
5636 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5637 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5638 int fromX, fromY, toX, toY; char promoChar;
5643 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5644 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5645 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5648 endPV = forwardMostMove;
5650 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5651 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5652 lastParseAttempt = pv;
5653 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5654 if(!valid && nr == 0 &&
5655 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5656 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5657 // Hande case where played move is different from leading PV move
5658 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5659 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5660 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5661 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5662 endPV += 2; // if position different, keep this
5663 moveList[endPV-1][0] = fromX + AAA;
5664 moveList[endPV-1][1] = fromY + ONE;
5665 moveList[endPV-1][2] = toX + AAA;
5666 moveList[endPV-1][3] = toY + ONE;
5667 parseList[endPV-1][0] = NULLCHAR;
5668 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5671 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5672 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5673 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5674 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5675 valid++; // allow comments in PV
5679 if(endPV+1 > framePtr) break; // no space, truncate
5682 CopyBoard(boards[endPV], boards[endPV-1]);
5683 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5684 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5685 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5686 CoordsToAlgebraic(boards[endPV - 1],
5687 PosFlags(endPV - 1),
5688 fromY, fromX, toY, toX, promoChar,
5689 parseList[endPV - 1]);
5691 if(atEnd == 2) return; // used hidden, for PV conversion
5692 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5693 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5694 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5695 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5696 DrawPosition(TRUE, boards[currentMove]);
5700 MultiPV (ChessProgramState *cps, int kind)
5701 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5703 for(i=0; i<cps->nrOptions; i++) {
5704 char *s = cps->option[i].name;
5705 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5706 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5707 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5712 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5713 static int multi, pv_margin;
5714 static ChessProgramState *activeCps;
5717 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5719 int startPV, lineStart, origIndex = index;
5720 char *p, buf2[MSG_SIZ];
5721 ChessProgramState *cps = (pane ? &second : &first);
5723 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5724 lastX = x; lastY = y;
5725 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5726 lineStart = startPV = index;
5727 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5728 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5730 do{ while(buf[index] && buf[index] != '\n') index++;
5731 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5733 if(lineStart == 0 && gameMode == AnalyzeMode) {
5735 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5736 if(n == 0) { // click not on "fewer" or "more"
5737 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5738 pv_margin = cps->option[multi].value;
5739 activeCps = cps; // non-null signals margin adjustment
5741 } else if((multi = MultiPV(cps, 1)) >= 0) {
5742 n += cps->option[multi].value; if(n < 1) n = 1;
5743 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5744 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5745 cps->option[multi].value = n;
5749 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5750 ExcludeClick(origIndex - lineStart);
5752 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5753 Collapse(origIndex - lineStart);
5756 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5757 *start = startPV; *end = index-1;
5758 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5765 static char buf[10*MSG_SIZ];
5766 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5768 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5769 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5770 for(i = forwardMostMove; i<endPV; i++){
5771 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5772 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5775 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5776 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5777 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5783 LoadPV (int x, int y)
5784 { // called on right mouse click to load PV
5785 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5786 lastX = x; lastY = y;
5787 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5795 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5797 if(pv_margin != activeCps->option[multi].value) {
5799 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5800 SendToProgram(buf, activeCps);
5801 activeCps->option[multi].value = pv_margin;
5806 if(endPV < 0) return;
5807 if(appData.autoCopyPV) CopyFENToClipboard();
5809 if(extendGame && currentMove > forwardMostMove) {
5810 Boolean saveAnimate = appData.animate;
5812 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5813 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5814 } else storedGames--; // abandon shelved tail of original game
5817 forwardMostMove = currentMove;
5818 currentMove = oldFMM;
5819 appData.animate = FALSE;
5820 ToNrEvent(forwardMostMove);
5821 appData.animate = saveAnimate;
5823 currentMove = forwardMostMove;
5824 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5825 ClearPremoveHighlights();
5826 DrawPosition(TRUE, boards[currentMove]);
5830 MovePV (int x, int y, int h)
5831 { // step through PV based on mouse coordinates (called on mouse move)
5832 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5834 if(activeCps) { // adjusting engine's multi-pv margin
5835 if(x > lastX) pv_margin++; else
5836 if(x < lastX) pv_margin -= (pv_margin > 0);
5839 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5840 DisplayMessage(buf, "");
5845 // we must somehow check if right button is still down (might be released off board!)
5846 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5847 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5848 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5850 lastX = x; lastY = y;
5852 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5853 if(endPV < 0) return;
5854 if(y < margin) step = 1; else
5855 if(y > h - margin) step = -1;
5856 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5857 currentMove += step;
5858 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5859 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5860 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5861 DrawPosition(FALSE, boards[currentMove]);
5865 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5866 // All positions will have equal probability, but the current method will not provide a unique
5867 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5873 int piecesLeft[(int)BlackPawn];
5874 int seed, nrOfShuffles;
5877 GetPositionNumber ()
5878 { // sets global variable seed
5881 seed = appData.defaultFrcPosition;
5882 if(seed < 0) { // randomize based on time for negative FRC position numbers
5883 for(i=0; i<50; i++) seed += random();
5884 seed = random() ^ random() >> 8 ^ random() << 8;
5885 if(seed<0) seed = -seed;
5890 put (Board board, int pieceType, int rank, int n, int shade)
5891 // put the piece on the (n-1)-th empty squares of the given shade
5895 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5896 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5897 board[rank][i] = (ChessSquare) pieceType;
5898 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5900 piecesLeft[pieceType]--;
5909 AddOnePiece (Board board, int pieceType, int rank, int shade)
5910 // calculate where the next piece goes, (any empty square), and put it there
5914 i = seed % squaresLeft[shade];
5915 nrOfShuffles *= squaresLeft[shade];
5916 seed /= squaresLeft[shade];
5917 put(board, pieceType, rank, i, shade);
5921 AddTwoPieces (Board board, int pieceType, int rank)
5922 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5924 int i, n=squaresLeft[ANY], j=n-1, k;
5926 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5927 i = seed % k; // pick one
5930 while(i >= j) i -= j--;
5931 j = n - 1 - j; i += j;
5932 put(board, pieceType, rank, j, ANY);
5933 put(board, pieceType, rank, i, ANY);
5937 SetUpShuffle (Board board, int number)
5941 GetPositionNumber(); nrOfShuffles = 1;
5943 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5944 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5945 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5947 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5949 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5950 p = (int) board[0][i];
5951 if(p < (int) BlackPawn) piecesLeft[p] ++;
5952 board[0][i] = EmptySquare;
5955 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5956 // shuffles restricted to allow normal castling put KRR first
5957 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5958 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5959 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5960 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5961 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5962 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5963 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5964 put(board, WhiteRook, 0, 0, ANY);
5965 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5968 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5969 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5970 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5971 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5972 while(piecesLeft[p] >= 2) {
5973 AddOnePiece(board, p, 0, LITE);
5974 AddOnePiece(board, p, 0, DARK);
5976 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5979 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5980 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5981 // but we leave King and Rooks for last, to possibly obey FRC restriction
5982 if(p == (int)WhiteRook) continue;
5983 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5984 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5987 // now everything is placed, except perhaps King (Unicorn) and Rooks
5989 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5990 // Last King gets castling rights
5991 while(piecesLeft[(int)WhiteUnicorn]) {
5992 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5993 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5996 while(piecesLeft[(int)WhiteKing]) {
5997 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5998 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
6003 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
6004 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
6007 // Only Rooks can be left; simply place them all
6008 while(piecesLeft[(int)WhiteRook]) {
6009 i = put(board, WhiteRook, 0, 0, ANY);
6010 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6013 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6015 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6018 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6019 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6022 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6026 ptclen (const char *s, char *escapes)
6029 if(!*escapes) return strlen(s);
6030 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6035 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6036 /* [HGM] moved here from winboard.c because of its general usefulness */
6037 /* Basically a safe strcpy that uses the last character as King */
6039 int result = FALSE; int NrPieces;
6040 unsigned char partner[EmptySquare];
6042 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6043 && NrPieces >= 12 && !(NrPieces&1)) {
6044 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6046 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6047 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6049 if(map[j] == '/') offs = WhitePBishop - i, j++;
6050 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6051 table[i+offs] = map[j++];
6052 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6053 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6054 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6056 table[(int) WhiteKing] = map[j++];
6057 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6059 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6060 i = WHITE_TO_BLACK ii;
6061 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6062 table[i+offs] = map[j++];
6063 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6064 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6065 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6067 table[(int) BlackKing] = map[j++];
6070 if(*escapes) { // set up promotion pairing
6071 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6072 // pieceToChar entirely filled, so we can look up specified partners
6073 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6075 if(c == '^' || c == '-') { // has specified partner
6077 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6078 if(c == '^') table[i] = '+';
6079 if(p < EmptySquare) {
6080 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6081 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6082 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6084 } else if(c == '*') {
6085 table[i] = partner[i];
6086 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6098 SetCharTable (unsigned char *table, const char * map)
6100 return SetCharTableEsc(table, map, "");
6104 Prelude (Board board)
6105 { // [HGM] superchess: random selection of exo-pieces
6106 int i, j, k; ChessSquare p;
6107 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6109 GetPositionNumber(); // use FRC position number
6111 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6112 SetCharTable(pieceToChar, appData.pieceToCharTable);
6113 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6114 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6117 j = seed%4; seed /= 4;
6118 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3 + (seed%3 >= j); seed /= 3;
6122 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3; seed /= 3;
6126 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6127 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6128 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6129 j = seed%2 + (seed%2 >= j); seed /= 2;
6130 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6131 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6132 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6133 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6134 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6135 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6136 put(board, exoPieces[0], 0, 0, ANY);
6137 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6141 InitPosition (int redraw)
6143 ChessSquare (* pieces)[BOARD_FILES];
6144 int i, j, pawnRow=1, pieceRows=1, overrule,
6145 oldx = gameInfo.boardWidth,
6146 oldy = gameInfo.boardHeight,
6147 oldh = gameInfo.holdingsWidth;
6150 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6152 /* [AS] Initialize pv info list [HGM] and game status */
6154 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6155 pvInfoList[i].depth = 0;
6156 boards[i][EP_STATUS] = EP_NONE;
6157 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6160 initialRulePlies = 0; /* 50-move counter start */
6162 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6163 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6167 /* [HGM] logic here is completely changed. In stead of full positions */
6168 /* the initialized data only consist of the two backranks. The switch */
6169 /* selects which one we will use, which is than copied to the Board */
6170 /* initialPosition, which for the rest is initialized by Pawns and */
6171 /* empty squares. This initial position is then copied to boards[0], */
6172 /* possibly after shuffling, so that it remains available. */
6174 gameInfo.holdingsWidth = 0; /* default board sizes */
6175 gameInfo.boardWidth = 8;
6176 gameInfo.boardHeight = 8;
6177 gameInfo.holdingsSize = 0;
6178 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6179 for(i=0; i<BOARD_FILES-6; i++)
6180 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6181 initialPosition[EP_STATUS] = EP_NONE;
6182 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6183 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6184 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6185 SetCharTable(pieceNickName, appData.pieceNickNames);
6186 else SetCharTable(pieceNickName, "............");
6189 switch (gameInfo.variant) {
6190 case VariantFischeRandom:
6191 shuffleOpenings = TRUE;
6192 appData.fischerCastling = TRUE;
6195 case VariantShatranj:
6196 pieces = ShatranjArray;
6197 nrCastlingRights = 0;
6198 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6201 pieces = makrukArray;
6202 nrCastlingRights = 0;
6203 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6206 pieces = aseanArray;
6207 nrCastlingRights = 0;
6208 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6210 case VariantTwoKings:
6211 pieces = twoKingsArray;
6214 pieces = GrandArray;
6215 nrCastlingRights = 0;
6216 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6217 gameInfo.boardWidth = 10;
6218 gameInfo.boardHeight = 10;
6219 gameInfo.holdingsSize = 7;
6221 case VariantCapaRandom:
6222 shuffleOpenings = TRUE;
6223 appData.fischerCastling = TRUE;
6224 case VariantCapablanca:
6225 pieces = CapablancaArray;
6226 gameInfo.boardWidth = 10;
6227 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6230 pieces = GothicArray;
6231 gameInfo.boardWidth = 10;
6232 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6235 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6236 gameInfo.holdingsSize = 7;
6237 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6240 pieces = JanusArray;
6241 gameInfo.boardWidth = 10;
6242 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6243 nrCastlingRights = 6;
6244 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6245 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6246 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6247 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6248 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6249 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6252 pieces = FalconArray;
6253 gameInfo.boardWidth = 10;
6254 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6256 case VariantXiangqi:
6257 pieces = XiangqiArray;
6258 gameInfo.boardWidth = 9;
6259 gameInfo.boardHeight = 10;
6260 nrCastlingRights = 0;
6261 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6264 pieces = ShogiArray;
6265 gameInfo.boardWidth = 9;
6266 gameInfo.boardHeight = 9;
6267 gameInfo.holdingsSize = 7;
6268 nrCastlingRights = 0;
6269 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6272 pieces = ChuArray; pieceRows = 3;
6273 gameInfo.boardWidth = 12;
6274 gameInfo.boardHeight = 12;
6275 nrCastlingRights = 0;
6276 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6277 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6279 case VariantCourier:
6280 pieces = CourierArray;
6281 gameInfo.boardWidth = 12;
6282 nrCastlingRights = 0;
6283 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6285 case VariantKnightmate:
6286 pieces = KnightmateArray;
6287 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6289 case VariantSpartan:
6290 pieces = SpartanArray;
6291 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6295 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6297 case VariantChuChess:
6298 pieces = ChuChessArray;
6299 gameInfo.boardWidth = 10;
6300 gameInfo.boardHeight = 10;
6301 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6304 pieces = fairyArray;
6305 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6308 pieces = GreatArray;
6309 gameInfo.boardWidth = 10;
6310 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6311 gameInfo.holdingsSize = 8;
6315 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6316 gameInfo.holdingsSize = 8;
6317 startedFromSetupPosition = TRUE;
6319 case VariantCrazyhouse:
6320 case VariantBughouse:
6322 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6323 gameInfo.holdingsSize = 5;
6325 case VariantWildCastle:
6327 /* !!?shuffle with kings guaranteed to be on d or e file */
6328 shuffleOpenings = 1;
6330 case VariantNoCastle:
6332 nrCastlingRights = 0;
6333 /* !!?unconstrained back-rank shuffle */
6334 shuffleOpenings = 1;
6339 if(appData.NrFiles >= 0) {
6340 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6341 gameInfo.boardWidth = appData.NrFiles;
6343 if(appData.NrRanks >= 0) {
6344 gameInfo.boardHeight = appData.NrRanks;
6346 if(appData.holdingsSize >= 0) {
6347 i = appData.holdingsSize;
6348 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6349 gameInfo.holdingsSize = i;
6351 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6352 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6353 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6355 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6356 if(pawnRow < 1) pawnRow = 1;
6357 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6358 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6359 if(gameInfo.variant == VariantChu) pawnRow = 3;
6361 /* User pieceToChar list overrules defaults */
6362 if(appData.pieceToCharTable != NULL)
6363 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6365 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6367 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6368 s = (ChessSquare) 0; /* account holding counts in guard band */
6369 for( i=0; i<BOARD_HEIGHT; i++ )
6370 initialPosition[i][j] = s;
6372 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6373 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6374 initialPosition[pawnRow][j] = WhitePawn;
6375 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6376 if(gameInfo.variant == VariantXiangqi) {
6378 initialPosition[pawnRow][j] =
6379 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6380 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6381 initialPosition[2][j] = WhiteCannon;
6382 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6386 if(gameInfo.variant == VariantChu) {
6387 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6388 initialPosition[pawnRow+1][j] = WhiteCobra,
6389 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6390 for(i=1; i<pieceRows; i++) {
6391 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6392 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6395 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6396 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6397 initialPosition[0][j] = WhiteRook;
6398 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6401 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6403 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6404 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6407 initialPosition[1][j] = WhiteBishop;
6408 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6410 initialPosition[1][j] = WhiteRook;
6411 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6414 if( nrCastlingRights == -1) {
6415 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6416 /* This sets default castling rights from none to normal corners */
6417 /* Variants with other castling rights must set them themselves above */
6418 nrCastlingRights = 6;
6420 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6421 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6422 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6423 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6424 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6425 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6428 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6429 if(gameInfo.variant == VariantGreat) { // promotion commoners
6430 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6431 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6432 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6433 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6435 if( gameInfo.variant == VariantSChess ) {
6436 initialPosition[1][0] = BlackMarshall;
6437 initialPosition[2][0] = BlackAngel;
6438 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6439 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6440 initialPosition[1][1] = initialPosition[2][1] =
6441 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6443 if (appData.debugMode) {
6444 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6446 if(shuffleOpenings) {
6447 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6448 startedFromSetupPosition = TRUE;
6450 if(startedFromPositionFile) {
6451 /* [HGM] loadPos: use PositionFile for every new game */
6452 CopyBoard(initialPosition, filePosition);
6453 for(i=0; i<nrCastlingRights; i++)
6454 initialRights[i] = filePosition[CASTLING][i];
6455 startedFromSetupPosition = TRUE;
6458 CopyBoard(boards[0], initialPosition);
6460 if(oldx != gameInfo.boardWidth ||
6461 oldy != gameInfo.boardHeight ||
6462 oldv != gameInfo.variant ||
6463 oldh != gameInfo.holdingsWidth
6465 InitDrawingSizes(-2 ,0);
6467 oldv = gameInfo.variant;
6469 DrawPosition(TRUE, boards[currentMove]);
6473 SendBoard (ChessProgramState *cps, int moveNum)
6475 char message[MSG_SIZ];
6477 if (cps->useSetboard) {
6478 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6479 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6480 SendToProgram(message, cps);
6485 int i, j, left=0, right=BOARD_WIDTH;
6486 /* Kludge to set black to move, avoiding the troublesome and now
6487 * deprecated "black" command.
6489 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6490 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6492 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6494 SendToProgram("edit\n", cps);
6495 SendToProgram("#\n", cps);
6496 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6497 bp = &boards[moveNum][i][left];
6498 for (j = left; j < right; j++, bp++) {
6499 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6500 if ((int) *bp < (int) BlackPawn) {
6501 if(j == BOARD_RGHT+1)
6502 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6503 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6504 if(message[0] == '+' || message[0] == '~') {
6505 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6506 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6507 AAA + j, ONE + i - '0');
6509 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6510 message[1] = BOARD_RGHT - 1 - j + '1';
6511 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6513 SendToProgram(message, cps);
6518 SendToProgram("c\n", cps);
6519 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6520 bp = &boards[moveNum][i][left];
6521 for (j = left; j < right; j++, bp++) {
6522 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6523 if (((int) *bp != (int) EmptySquare)
6524 && ((int) *bp >= (int) BlackPawn)) {
6525 if(j == BOARD_LEFT-2)
6526 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6527 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6528 AAA + j, ONE + i - '0');
6529 if(message[0] == '+' || message[0] == '~') {
6530 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6531 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6532 AAA + j, ONE + i - '0');
6534 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6535 message[1] = BOARD_RGHT - 1 - j + '1';
6536 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6538 SendToProgram(message, cps);
6543 SendToProgram(".\n", cps);
6545 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6548 char exclusionHeader[MSG_SIZ];
6549 int exCnt, excludePtr;
6550 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6551 static Exclusion excluTab[200];
6552 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6558 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6559 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6565 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6566 excludePtr = 24; exCnt = 0;
6571 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6572 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6573 char buf[2*MOVE_LEN], *p;
6574 Exclusion *e = excluTab;
6576 for(i=0; i<exCnt; i++)
6577 if(e[i].ff == fromX && e[i].fr == fromY &&
6578 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6579 if(i == exCnt) { // was not in exclude list; add it
6580 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6581 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6582 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6585 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6586 excludePtr++; e[i].mark = excludePtr++;
6587 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6590 exclusionHeader[e[i].mark] = state;
6594 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6595 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6599 if((signed char)promoChar == -1) { // kludge to indicate best move
6600 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6601 return 1; // if unparsable, abort
6603 // update exclusion map (resolving toggle by consulting existing state)
6604 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6606 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6607 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6608 excludeMap[k] |= 1<<j;
6609 else excludeMap[k] &= ~(1<<j);
6611 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6613 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6614 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6616 return (state == '+');
6620 ExcludeClick (int index)
6623 Exclusion *e = excluTab;
6624 if(index < 25) { // none, best or tail clicked
6625 if(index < 13) { // none: include all
6626 WriteMap(0); // clear map
6627 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6628 SendToBoth("include all\n"); // and inform engine
6629 } else if(index > 18) { // tail
6630 if(exclusionHeader[19] == '-') { // tail was excluded
6631 SendToBoth("include all\n");
6632 WriteMap(0); // clear map completely
6633 // now re-exclude selected moves
6634 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6635 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6636 } else { // tail was included or in mixed state
6637 SendToBoth("exclude all\n");
6638 WriteMap(0xFF); // fill map completely
6639 // now re-include selected moves
6640 j = 0; // count them
6641 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6642 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6643 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6646 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6649 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6650 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6651 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6658 DefaultPromoChoice (int white)
6661 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6662 gameInfo.variant == VariantMakruk)
6663 result = WhiteFerz; // no choice
6664 else if(gameInfo.variant == VariantASEAN)
6665 result = WhiteRook; // no choice
6666 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6667 result= WhiteKing; // in Suicide Q is the last thing we want
6668 else if(gameInfo.variant == VariantSpartan)
6669 result = white ? WhiteQueen : WhiteAngel;
6670 else result = WhiteQueen;
6671 if(!white) result = WHITE_TO_BLACK result;
6675 static int autoQueen; // [HGM] oneclick
6678 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6680 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6681 /* [HGM] add Shogi promotions */
6682 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6683 ChessSquare piece, partner;
6687 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6688 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6690 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6691 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6694 piece = boards[currentMove][fromY][fromX];
6695 if(gameInfo.variant == VariantChu) {
6696 promotionZoneSize = BOARD_HEIGHT/3;
6697 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6698 } else if(gameInfo.variant == VariantShogi) {
6699 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6700 highestPromotingPiece = (int)WhiteAlfil;
6701 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6702 promotionZoneSize = 3;
6705 // Treat Lance as Pawn when it is not representing Amazon or Lance
6706 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6707 if(piece == WhiteLance) piece = WhitePawn; else
6708 if(piece == BlackLance) piece = BlackPawn;
6711 // next weed out all moves that do not touch the promotion zone at all
6712 if((int)piece >= BlackPawn) {
6713 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6715 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6716 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6718 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6719 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6720 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6724 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6726 // weed out mandatory Shogi promotions
6727 if(gameInfo.variant == VariantShogi) {
6728 if(piece >= BlackPawn) {
6729 if(toY == 0 && piece == BlackPawn ||
6730 toY == 0 && piece == BlackQueen ||
6731 toY <= 1 && piece == BlackKnight) {
6736 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6737 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6738 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6745 // weed out obviously illegal Pawn moves
6746 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6747 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6748 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6749 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6750 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6751 // note we are not allowed to test for valid (non-)capture, due to premove
6754 // we either have a choice what to promote to, or (in Shogi) whether to promote
6755 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6756 gameInfo.variant == VariantMakruk) {
6757 ChessSquare p=BlackFerz; // no choice
6758 while(p < EmptySquare) { //but make sure we use piece that exists
6759 *promoChoice = PieceToChar(p++);
6760 if(*promoChoice != '.') break;
6762 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6764 // no sense asking what we must promote to if it is going to explode...
6765 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6766 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6769 // give caller the default choice even if we will not make it
6770 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6771 partner = piece; // pieces can promote if the pieceToCharTable says so
6772 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6773 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6774 if( sweepSelect && gameInfo.variant != VariantGreat
6775 && gameInfo.variant != VariantGrand
6776 && gameInfo.variant != VariantSuper) return FALSE;
6777 if(autoQueen) return FALSE; // predetermined
6779 // suppress promotion popup on illegal moves that are not premoves
6780 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6781 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6782 if(appData.testLegality && !premove) {
6783 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6784 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6785 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6786 if(moveType != WhitePromotion && moveType != BlackPromotion)
6794 InPalace (int row, int column)
6795 { /* [HGM] for Xiangqi */
6796 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6797 column < (BOARD_WIDTH + 4)/2 &&
6798 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6803 PieceForSquare (int x, int y)
6805 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6808 return boards[currentMove][y][x];
6812 OKToStartUserMove (int x, int y)
6814 ChessSquare from_piece;
6817 if (matchMode) return FALSE;
6818 if (gameMode == EditPosition) return TRUE;
6820 if (x >= 0 && y >= 0)
6821 from_piece = boards[currentMove][y][x];
6823 from_piece = EmptySquare;
6825 if (from_piece == EmptySquare) return FALSE;
6827 white_piece = (int)from_piece >= (int)WhitePawn &&
6828 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6832 case TwoMachinesPlay:
6840 case MachinePlaysWhite:
6841 case IcsPlayingBlack:
6842 if (appData.zippyPlay) return FALSE;
6844 DisplayMoveError(_("You are playing Black"));
6849 case MachinePlaysBlack:
6850 case IcsPlayingWhite:
6851 if (appData.zippyPlay) return FALSE;
6853 DisplayMoveError(_("You are playing White"));
6858 case PlayFromGameFile:
6859 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6862 if (!white_piece && WhiteOnMove(currentMove)) {
6863 DisplayMoveError(_("It is White's turn"));
6866 if (white_piece && !WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6870 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6871 /* Editing correspondence game history */
6872 /* Could disallow this or prompt for confirmation */
6877 case BeginningOfGame:
6878 if (appData.icsActive) return FALSE;
6879 if (!appData.noChessProgram) {
6881 DisplayMoveError(_("You are playing White"));
6888 if (!white_piece && WhiteOnMove(currentMove)) {
6889 DisplayMoveError(_("It is White's turn"));
6892 if (white_piece && !WhiteOnMove(currentMove)) {
6893 DisplayMoveError(_("It is Black's turn"));
6902 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6903 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6904 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6905 && gameMode != AnalyzeFile && gameMode != Training) {
6906 DisplayMoveError(_("Displayed position is not current"));
6913 OnlyMove (int *x, int *y, Boolean captures)
6915 DisambiguateClosure cl;
6916 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6918 case MachinePlaysBlack:
6919 case IcsPlayingWhite:
6920 case BeginningOfGame:
6921 if(!WhiteOnMove(currentMove)) return FALSE;
6923 case MachinePlaysWhite:
6924 case IcsPlayingBlack:
6925 if(WhiteOnMove(currentMove)) return FALSE;
6932 cl.pieceIn = EmptySquare;
6937 cl.promoCharIn = NULLCHAR;
6938 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6939 if( cl.kind == NormalMove ||
6940 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6941 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6942 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6949 if(cl.kind != ImpossibleMove) return FALSE;
6950 cl.pieceIn = EmptySquare;
6955 cl.promoCharIn = NULLCHAR;
6956 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6957 if( cl.kind == NormalMove ||
6958 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6959 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6960 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6965 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6971 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6972 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6973 int lastLoadGameUseList = FALSE;
6974 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6975 ChessMove lastLoadGameStart = EndOfFile;
6977 Boolean addToBookFlag;
6980 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6984 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6986 /* Check if the user is playing in turn. This is complicated because we
6987 let the user "pick up" a piece before it is his turn. So the piece he
6988 tried to pick up may have been captured by the time he puts it down!
6989 Therefore we use the color the user is supposed to be playing in this
6990 test, not the color of the piece that is currently on the starting
6991 square---except in EditGame mode, where the user is playing both
6992 sides; fortunately there the capture race can't happen. (It can
6993 now happen in IcsExamining mode, but that's just too bad. The user
6994 will get a somewhat confusing message in that case.)
6999 case TwoMachinesPlay:
7003 /* We switched into a game mode where moves are not accepted,
7004 perhaps while the mouse button was down. */
7007 case MachinePlaysWhite:
7008 /* User is moving for Black */
7009 if (WhiteOnMove(currentMove)) {
7010 DisplayMoveError(_("It is White's turn"));
7015 case MachinePlaysBlack:
7016 /* User is moving for White */
7017 if (!WhiteOnMove(currentMove)) {
7018 DisplayMoveError(_("It is Black's turn"));
7023 case PlayFromGameFile:
7024 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7027 case BeginningOfGame:
7030 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7031 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7032 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7033 /* User is moving for Black */
7034 if (WhiteOnMove(currentMove)) {
7035 DisplayMoveError(_("It is White's turn"));
7039 /* User is moving for White */
7040 if (!WhiteOnMove(currentMove)) {
7041 DisplayMoveError(_("It is Black's turn"));
7047 case IcsPlayingBlack:
7048 /* User is moving for Black */
7049 if (WhiteOnMove(currentMove)) {
7050 if (!appData.premove) {
7051 DisplayMoveError(_("It is White's turn"));
7052 } else if (toX >= 0 && toY >= 0) {
7055 premoveFromX = fromX;
7056 premoveFromY = fromY;
7057 premovePromoChar = promoChar;
7059 if (appData.debugMode)
7060 fprintf(debugFP, "Got premove: fromX %d,"
7061 "fromY %d, toX %d, toY %d\n",
7062 fromX, fromY, toX, toY);
7064 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7069 case IcsPlayingWhite:
7070 /* User is moving for White */
7071 if (!WhiteOnMove(currentMove)) {
7072 if (!appData.premove) {
7073 DisplayMoveError(_("It is Black's turn"));
7074 } else if (toX >= 0 && toY >= 0) {
7077 premoveFromX = fromX;
7078 premoveFromY = fromY;
7079 premovePromoChar = promoChar;
7081 if (appData.debugMode)
7082 fprintf(debugFP, "Got premove: fromX %d,"
7083 "fromY %d, toX %d, toY %d\n",
7084 fromX, fromY, toX, toY);
7086 DrawPosition(TRUE, boards[currentMove]);
7095 /* EditPosition, empty square, or different color piece;
7096 click-click move is possible */
7097 if (toX == -2 || toY == -2) {
7098 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7099 DrawPosition(FALSE, boards[currentMove]);
7101 } else if (toX >= 0 && toY >= 0) {
7102 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7103 ChessSquare p = boards[0][rf][ff];
7104 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7105 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7107 boards[0][toY][toX] = boards[0][fromY][fromX];
7108 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7109 if(boards[0][fromY][0] != EmptySquare) {
7110 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7111 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7114 if(fromX == BOARD_RGHT+1) {
7115 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7116 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7117 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7120 boards[0][fromY][fromX] = gatingPiece;
7122 DrawPosition(FALSE, boards[currentMove]);
7128 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7129 pup = boards[currentMove][toY][toX];
7131 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7132 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7133 if( pup != EmptySquare ) return;
7134 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7135 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7136 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7137 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7138 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7139 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7140 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7144 /* [HGM] always test for legality, to get promotion info */
7145 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7146 fromY, fromX, toY, toX, promoChar);
7148 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7150 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7152 /* [HGM] but possibly ignore an IllegalMove result */
7153 if (appData.testLegality) {
7154 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7155 DisplayMoveError(_("Illegal move"));
7160 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7161 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7162 ClearPremoveHighlights(); // was included
7163 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7167 if(addToBookFlag) { // adding moves to book
7168 char buf[MSG_SIZ], move[MSG_SIZ];
7169 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7170 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7171 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7172 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7174 addToBookFlag = FALSE;
7179 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7182 /* Common tail of UserMoveEvent and DropMenuEvent */
7184 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7188 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7189 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7190 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7191 if(WhiteOnMove(currentMove)) {
7192 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7194 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7198 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7199 move type in caller when we know the move is a legal promotion */
7200 if(moveType == NormalMove && promoChar)
7201 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7203 /* [HGM] <popupFix> The following if has been moved here from
7204 UserMoveEvent(). Because it seemed to belong here (why not allow
7205 piece drops in training games?), and because it can only be
7206 performed after it is known to what we promote. */
7207 if (gameMode == Training) {
7208 /* compare the move played on the board to the next move in the
7209 * game. If they match, display the move and the opponent's response.
7210 * If they don't match, display an error message.
7214 CopyBoard(testBoard, boards[currentMove]);
7215 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7217 if (CompareBoards(testBoard, boards[currentMove+1])) {
7218 ForwardInner(currentMove+1);
7220 /* Autoplay the opponent's response.
7221 * if appData.animate was TRUE when Training mode was entered,
7222 * the response will be animated.
7224 saveAnimate = appData.animate;
7225 appData.animate = animateTraining;
7226 ForwardInner(currentMove+1);
7227 appData.animate = saveAnimate;
7229 /* check for the end of the game */
7230 if (currentMove >= forwardMostMove) {
7231 gameMode = PlayFromGameFile;
7233 SetTrainingModeOff();
7234 DisplayInformation(_("End of game"));
7237 DisplayError(_("Incorrect move"), 0);
7242 /* Ok, now we know that the move is good, so we can kill
7243 the previous line in Analysis Mode */
7244 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7245 && currentMove < forwardMostMove) {
7246 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7247 else forwardMostMove = currentMove;
7252 /* If we need the chess program but it's dead, restart it */
7253 ResurrectChessProgram();
7255 /* A user move restarts a paused game*/
7259 thinkOutput[0] = NULLCHAR;
7261 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7263 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7264 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7268 if (gameMode == BeginningOfGame) {
7269 if (appData.noChessProgram) {
7270 gameMode = EditGame;
7274 gameMode = MachinePlaysBlack;
7277 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7279 if (first.sendName) {
7280 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7281 SendToProgram(buf, &first);
7288 /* Relay move to ICS or chess engine */
7289 if (appData.icsActive) {
7290 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7291 gameMode == IcsExamining) {
7292 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7293 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7295 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7297 // also send plain move, in case ICS does not understand atomic claims
7298 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7302 if (first.sendTime && (gameMode == BeginningOfGame ||
7303 gameMode == MachinePlaysWhite ||
7304 gameMode == MachinePlaysBlack)) {
7305 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7307 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7308 // [HGM] book: if program might be playing, let it use book
7309 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7310 first.maybeThinking = TRUE;
7311 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7312 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7313 SendBoard(&first, currentMove+1);
7314 if(second.analyzing) {
7315 if(!second.useSetboard) SendToProgram("undo\n", &second);
7316 SendBoard(&second, currentMove+1);
7319 SendMoveToProgram(forwardMostMove-1, &first);
7320 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7322 if (currentMove == cmailOldMove + 1) {
7323 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7327 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7331 if(appData.testLegality)
7332 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7338 if (WhiteOnMove(currentMove)) {
7339 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7341 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7345 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7350 case MachinePlaysBlack:
7351 case MachinePlaysWhite:
7352 /* disable certain menu options while machine is thinking */
7353 SetMachineThinkingEnables();
7360 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7361 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7363 if(bookHit) { // [HGM] book: simulate book reply
7364 static char bookMove[MSG_SIZ]; // a bit generous?
7366 programStats.nodes = programStats.depth = programStats.time =
7367 programStats.score = programStats.got_only_move = 0;
7368 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7370 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7371 strcat(bookMove, bookHit);
7372 HandleMachineMove(bookMove, &first);
7378 MarkByFEN(char *fen)
7381 if(!appData.markers || !appData.highlightDragging) return;
7382 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7383 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7387 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7388 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7389 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7390 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7391 if(*fen == 'T') marker[r][f++] = 0; else
7392 if(*fen == 'Y') marker[r][f++] = 1; else
7393 if(*fen == 'G') marker[r][f++] = 3; else
7394 if(*fen == 'B') marker[r][f++] = 4; else
7395 if(*fen == 'C') marker[r][f++] = 5; else
7396 if(*fen == 'M') marker[r][f++] = 6; else
7397 if(*fen == 'W') marker[r][f++] = 7; else
7398 if(*fen == 'D') marker[r][f++] = 8; else
7399 if(*fen == 'R') marker[r][f++] = 2; else {
7400 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7403 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7407 DrawPosition(TRUE, NULL);
7410 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7413 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7415 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7416 Markers *m = (Markers *) closure;
7417 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 :
7418 kill2X < 0 ? rt == killY && ft == killX || legNr & 2 : rt == killY && ft == killX || legNr & 4))
7419 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7420 || kind == WhiteCapturesEnPassant
7421 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && (killX < 0 & legNr || legNr & 2 && kill2X < 0)), legal[rt][ft] = 3;
7422 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7425 static int hoverSavedValid;
7428 MarkTargetSquares (int clear)
7431 if(clear) { // no reason to ever suppress clearing
7432 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7433 hoverSavedValid = 0;
7434 if(!sum) return; // nothing was cleared,no redraw needed
7437 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7438 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7439 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7440 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7441 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7443 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7446 DrawPosition(FALSE, NULL);
7450 Explode (Board board, int fromX, int fromY, int toX, int toY)
7452 if(gameInfo.variant == VariantAtomic &&
7453 (board[toY][toX] != EmptySquare || // capture?
7454 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7455 board[fromY][fromX] == BlackPawn )
7457 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7463 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7466 CanPromote (ChessSquare piece, int y)
7468 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7469 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7470 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7471 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7472 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7473 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7474 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7475 return (piece == BlackPawn && y <= zone ||
7476 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7477 piece == BlackLance && y <= zone ||
7478 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7482 HoverEvent (int xPix, int yPix, int x, int y)
7484 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7486 if(!first.highlight) return;
7487 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7488 if(x == oldX && y == oldY) return; // only do something if we enter new square
7489 oldFromX = fromX; oldFromY = fromY;
7490 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7491 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7492 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7493 hoverSavedValid = 1;
7494 } else if(oldX != x || oldY != y) {
7495 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7496 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7497 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7498 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7499 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7501 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7502 SendToProgram(buf, &first);
7505 // SetHighlights(fromX, fromY, x, y);
7509 void ReportClick(char *action, int x, int y)
7511 char buf[MSG_SIZ]; // Inform engine of what user does
7513 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7514 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7515 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7516 if(!first.highlight || gameMode == EditPosition) return;
7517 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7518 SendToProgram(buf, &first);
7521 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7524 LeftClick (ClickType clickType, int xPix, int yPix)
7527 Boolean saveAnimate;
7528 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7529 char promoChoice = NULLCHAR;
7531 static TimeMark lastClickTime, prevClickTime;
7533 x = EventToSquare(xPix, BOARD_WIDTH);
7534 y = EventToSquare(yPix, BOARD_HEIGHT);
7535 if (!flipView && y >= 0) {
7536 y = BOARD_HEIGHT - 1 - y;
7538 if (flipView && x >= 0) {
7539 x = BOARD_WIDTH - 1 - x;
7542 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7544 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7549 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7551 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7553 if (clickType == Press) ErrorPopDown();
7554 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7556 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7557 defaultPromoChoice = promoSweep;
7558 promoSweep = EmptySquare; // terminate sweep
7559 promoDefaultAltered = TRUE;
7560 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7563 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7564 if(clickType == Release) return; // ignore upclick of click-click destination
7565 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7566 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7567 if(gameInfo.holdingsWidth &&
7568 (WhiteOnMove(currentMove)
7569 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7570 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7571 // click in right holdings, for determining promotion piece
7572 ChessSquare p = boards[currentMove][y][x];
7573 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7574 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7575 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7576 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7581 DrawPosition(FALSE, boards[currentMove]);
7585 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7586 if(clickType == Press
7587 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7588 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7589 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7592 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7593 // could be static click on premove from-square: abort premove
7595 ClearPremoveHighlights();
7598 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7599 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7601 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7602 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7603 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7604 defaultPromoChoice = DefaultPromoChoice(side);
7607 autoQueen = appData.alwaysPromoteToQueen;
7611 gatingPiece = EmptySquare;
7612 if (clickType != Press) {
7613 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7614 DragPieceEnd(xPix, yPix); dragging = 0;
7615 DrawPosition(FALSE, NULL);
7619 doubleClick = FALSE;
7620 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7621 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7623 fromX = x; fromY = y; toX = toY = killX = killY = kill2X = kill2Y = -1;
7624 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7625 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7626 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7628 if (OKToStartUserMove(fromX, fromY)) {
7630 ReportClick("lift", x, y);
7631 MarkTargetSquares(0);
7632 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7633 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7634 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7635 promoSweep = defaultPromoChoice;
7636 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7637 Sweep(0); // Pawn that is going to promote: preview promotion piece
7638 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7640 if (appData.highlightDragging) {
7641 SetHighlights(fromX, fromY, -1, -1);
7645 } else fromX = fromY = -1;
7651 if (clickType == Press && gameMode != EditPosition) {
7656 // ignore off-board to clicks
7657 if(y < 0 || x < 0) return;
7659 /* Check if clicking again on the same color piece */
7660 fromP = boards[currentMove][fromY][fromX];
7661 toP = boards[currentMove][y][x];
7662 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7663 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7664 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7665 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7666 WhitePawn <= toP && toP <= WhiteKing &&
7667 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7668 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7669 (BlackPawn <= fromP && fromP <= BlackKing &&
7670 BlackPawn <= toP && toP <= BlackKing &&
7671 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7672 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7673 /* Clicked again on same color piece -- changed his mind */
7674 second = (x == fromX && y == fromY);
7675 killX = killY = kill2X = kill2Y = -1;
7676 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7677 second = FALSE; // first double-click rather than scond click
7678 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7680 promoDefaultAltered = FALSE;
7681 MarkTargetSquares(1);
7682 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7683 if (appData.highlightDragging) {
7684 SetHighlights(x, y, -1, -1);
7688 if (OKToStartUserMove(x, y)) {
7689 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7690 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7691 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7692 gatingPiece = boards[currentMove][fromY][fromX];
7693 else gatingPiece = doubleClick ? fromP : EmptySquare;
7695 fromY = y; dragging = 1;
7696 if(!second) ReportClick("lift", x, y);
7697 MarkTargetSquares(0);
7698 DragPieceBegin(xPix, yPix, FALSE);
7699 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7700 promoSweep = defaultPromoChoice;
7701 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7702 Sweep(0); // Pawn that is going to promote: preview promotion piece
7706 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7709 // ignore clicks on holdings
7710 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7713 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7714 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7715 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7719 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7720 DragPieceEnd(xPix, yPix); dragging = 0;
7722 // a deferred attempt to click-click move an empty square on top of a piece
7723 boards[currentMove][y][x] = EmptySquare;
7725 DrawPosition(FALSE, boards[currentMove]);
7726 fromX = fromY = -1; clearFlag = 0;
7729 if (appData.animateDragging) {
7730 /* Undo animation damage if any */
7731 DrawPosition(FALSE, NULL);
7734 /* Second up/down in same square; just abort move */
7737 gatingPiece = EmptySquare;
7738 MarkTargetSquares(1);
7741 ClearPremoveHighlights();
7743 /* First upclick in same square; start click-click mode */
7744 SetHighlights(x, y, -1, -1);
7751 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7752 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7753 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7754 DisplayMessage(_("only marked squares are legal"),"");
7755 DrawPosition(TRUE, NULL);
7756 return; // ignore to-click
7759 /* we now have a different from- and (possibly off-board) to-square */
7760 /* Completed move */
7761 if(!sweepSelecting) {
7766 piece = boards[currentMove][fromY][fromX];
7768 saveAnimate = appData.animate;
7769 if (clickType == Press) {
7770 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7771 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7772 // must be Edit Position mode with empty-square selected
7773 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7774 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7777 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7780 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7781 killX = kill2X; killY = kill2Y; kill2X = kill2Y = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7783 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7784 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7785 if(appData.sweepSelect) {
7786 promoSweep = defaultPromoChoice;
7787 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7788 selectFlag = 0; lastX = xPix; lastY = yPix;
7789 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7790 Sweep(0); // Pawn that is going to promote: preview promotion piece
7792 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7793 MarkTargetSquares(1);
7795 return; // promo popup appears on up-click
7797 /* Finish clickclick move */
7798 if (appData.animate || appData.highlightLastMove) {
7799 SetHighlights(fromX, fromY, toX, toY);
7803 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7804 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7806 if (appData.animate || appData.highlightLastMove) {
7807 SetHighlights(fromX, fromY, toX, toY);
7813 // [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
7814 /* Finish drag move */
7815 if (appData.highlightLastMove) {
7816 SetHighlights(fromX, fromY, toX, toY);
7821 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7822 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7823 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7824 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7825 dragging *= 2; // flag button-less dragging if we are dragging
7826 MarkTargetSquares(1);
7827 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7829 kill2X = killX; kill2Y = killY;
7830 killX = x; killY = y; // remember this square as intermediate
7831 ReportClick("put", x, y); // and inform engine
7832 ReportClick("lift", x, y);
7833 MarkTargetSquares(0);
7837 DragPieceEnd(xPix, yPix); dragging = 0;
7838 /* Don't animate move and drag both */
7839 appData.animate = FALSE;
7842 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7843 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7844 ChessSquare piece = boards[currentMove][fromY][fromX];
7845 if(gameMode == EditPosition && piece != EmptySquare &&
7846 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7849 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7850 n = PieceToNumber(piece - (int)BlackPawn);
7851 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7852 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7853 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7855 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7856 n = PieceToNumber(piece);
7857 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7858 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7859 boards[currentMove][n][BOARD_WIDTH-2]++;
7861 boards[currentMove][fromY][fromX] = EmptySquare;
7865 MarkTargetSquares(1);
7866 DrawPosition(TRUE, boards[currentMove]);
7870 // off-board moves should not be highlighted
7871 if(x < 0 || y < 0) ClearHighlights();
7872 else ReportClick("put", x, y);
7874 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7876 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7878 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7879 SetHighlights(fromX, fromY, toX, toY);
7880 MarkTargetSquares(1);
7881 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7882 // [HGM] super: promotion to captured piece selected from holdings
7883 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7884 promotionChoice = TRUE;
7885 // kludge follows to temporarily execute move on display, without promoting yet
7886 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7887 boards[currentMove][toY][toX] = p;
7888 DrawPosition(FALSE, boards[currentMove]);
7889 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7890 boards[currentMove][toY][toX] = q;
7891 DisplayMessage("Click in holdings to choose piece", "");
7894 PromotionPopUp(promoChoice);
7896 int oldMove = currentMove;
7897 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7898 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7899 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7900 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7901 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7902 DrawPosition(TRUE, boards[currentMove]);
7903 MarkTargetSquares(1);
7906 appData.animate = saveAnimate;
7907 if (appData.animate || appData.animateDragging) {
7908 /* Undo animation damage if needed */
7909 DrawPosition(FALSE, NULL);
7914 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7915 { // front-end-free part taken out of PieceMenuPopup
7916 int whichMenu; int xSqr, ySqr;
7918 if(seekGraphUp) { // [HGM] seekgraph
7919 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7920 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7924 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7925 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7926 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7927 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7928 if(action == Press) {
7929 originalFlip = flipView;
7930 flipView = !flipView; // temporarily flip board to see game from partners perspective
7931 DrawPosition(TRUE, partnerBoard);
7932 DisplayMessage(partnerStatus, "");
7934 } else if(action == Release) {
7935 flipView = originalFlip;
7936 DrawPosition(TRUE, boards[currentMove]);
7942 xSqr = EventToSquare(x, BOARD_WIDTH);
7943 ySqr = EventToSquare(y, BOARD_HEIGHT);
7944 if (action == Release) {
7945 if(pieceSweep != EmptySquare) {
7946 EditPositionMenuEvent(pieceSweep, toX, toY);
7947 pieceSweep = EmptySquare;
7948 } else UnLoadPV(); // [HGM] pv
7950 if (action != Press) return -2; // return code to be ignored
7953 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7955 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7956 if (xSqr < 0 || ySqr < 0) return -1;
7957 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7958 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7959 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7960 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7964 if(!appData.icsEngineAnalyze) return -1;
7965 case IcsPlayingWhite:
7966 case IcsPlayingBlack:
7967 if(!appData.zippyPlay) goto noZip;
7970 case MachinePlaysWhite:
7971 case MachinePlaysBlack:
7972 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7973 if (!appData.dropMenu) {
7975 return 2; // flag front-end to grab mouse events
7977 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7978 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7981 if (xSqr < 0 || ySqr < 0) return -1;
7982 if (!appData.dropMenu || appData.testLegality &&
7983 gameInfo.variant != VariantBughouse &&
7984 gameInfo.variant != VariantCrazyhouse) return -1;
7985 whichMenu = 1; // drop menu
7991 if (((*fromX = xSqr) < 0) ||
7992 ((*fromY = ySqr) < 0)) {
7993 *fromX = *fromY = -1;
7997 *fromX = BOARD_WIDTH - 1 - *fromX;
7999 *fromY = BOARD_HEIGHT - 1 - *fromY;
8005 Wheel (int dir, int x, int y)
8007 if(gameMode == EditPosition) {
8008 int xSqr = EventToSquare(x, BOARD_WIDTH);
8009 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8010 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8011 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8013 boards[currentMove][ySqr][xSqr] += dir;
8014 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8015 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8016 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8017 DrawPosition(FALSE, boards[currentMove]);
8018 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8022 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8024 // char * hint = lastHint;
8025 FrontEndProgramStats stats;
8027 stats.which = cps == &first ? 0 : 1;
8028 stats.depth = cpstats->depth;
8029 stats.nodes = cpstats->nodes;
8030 stats.score = cpstats->score;
8031 stats.time = cpstats->time;
8032 stats.pv = cpstats->movelist;
8033 stats.hint = lastHint;
8034 stats.an_move_index = 0;
8035 stats.an_move_count = 0;
8037 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8038 stats.hint = cpstats->move_name;
8039 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8040 stats.an_move_count = cpstats->nr_moves;
8043 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
8045 SetProgramStats( &stats );
8049 ClearEngineOutputPane (int which)
8051 static FrontEndProgramStats dummyStats;
8052 dummyStats.which = which;
8053 dummyStats.pv = "#";
8054 SetProgramStats( &dummyStats );
8057 #define MAXPLAYERS 500
8060 TourneyStandings (int display)
8062 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8063 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8064 char result, *p, *names[MAXPLAYERS];
8066 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8067 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8068 names[0] = p = strdup(appData.participants);
8069 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8071 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8073 while(result = appData.results[nr]) {
8074 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8075 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8076 wScore = bScore = 0;
8078 case '+': wScore = 2; break;
8079 case '-': bScore = 2; break;
8080 case '=': wScore = bScore = 1; break;
8082 case '*': return strdup("busy"); // tourney not finished
8090 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8091 for(w=0; w<nPlayers; w++) {
8093 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8094 ranking[w] = b; points[w] = bScore; score[b] = -2;
8096 p = malloc(nPlayers*34+1);
8097 for(w=0; w<nPlayers && w<display; w++)
8098 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8104 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8105 { // count all piece types
8107 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8108 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8109 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8112 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8113 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8114 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8115 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8116 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8117 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8122 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8124 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8125 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8127 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8128 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8129 if(myPawns == 2 && nMine == 3) // KPP
8130 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8131 if(myPawns == 1 && nMine == 2) // KP
8132 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8133 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8134 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8135 if(myPawns) return FALSE;
8136 if(pCnt[WhiteRook+side])
8137 return pCnt[BlackRook-side] ||
8138 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8139 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8140 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8141 if(pCnt[WhiteCannon+side]) {
8142 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8143 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8145 if(pCnt[WhiteKnight+side])
8146 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8151 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8153 VariantClass v = gameInfo.variant;
8155 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8156 if(v == VariantShatranj) return TRUE; // always winnable through baring
8157 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8158 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8160 if(v == VariantXiangqi) {
8161 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8163 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8164 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8165 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8166 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8167 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8168 if(stale) // we have at least one last-rank P plus perhaps C
8169 return majors // KPKX
8170 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8172 return pCnt[WhiteFerz+side] // KCAK
8173 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8174 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8175 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8177 } else if(v == VariantKnightmate) {
8178 if(nMine == 1) return FALSE;
8179 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8180 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8181 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8183 if(nMine == 1) return FALSE; // bare King
8184 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
8185 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8186 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8187 // by now we have King + 1 piece (or multiple Bishops on the same color)
8188 if(pCnt[WhiteKnight+side])
8189 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8190 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8191 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8193 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8194 if(pCnt[WhiteAlfil+side])
8195 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8196 if(pCnt[WhiteWazir+side])
8197 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8204 CompareWithRights (Board b1, Board b2)
8207 if(!CompareBoards(b1, b2)) return FALSE;
8208 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8209 /* compare castling rights */
8210 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8211 rights++; /* King lost rights, while rook still had them */
8212 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8213 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8214 rights++; /* but at least one rook lost them */
8216 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8218 if( b1[CASTLING][5] != NoRights ) {
8219 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8226 Adjudicate (ChessProgramState *cps)
8227 { // [HGM] some adjudications useful with buggy engines
8228 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8229 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8230 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8231 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8232 int k, drop, count = 0; static int bare = 1;
8233 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8234 Boolean canAdjudicate = !appData.icsActive;
8236 // most tests only when we understand the game, i.e. legality-checking on
8237 if( appData.testLegality )
8238 { /* [HGM] Some more adjudications for obstinate engines */
8239 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8240 static int moveCount = 6;
8242 char *reason = NULL;
8244 /* Count what is on board. */
8245 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8247 /* Some material-based adjudications that have to be made before stalemate test */
8248 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8249 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8250 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8251 if(canAdjudicate && appData.checkMates) {
8253 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8254 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8255 "Xboard adjudication: King destroyed", GE_XBOARD );
8260 /* Bare King in Shatranj (loses) or Losers (wins) */
8261 if( nrW == 1 || nrB == 1) {
8262 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8263 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8264 if(canAdjudicate && appData.checkMates) {
8266 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8267 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8268 "Xboard adjudication: Bare king", GE_XBOARD );
8272 if( gameInfo.variant == VariantShatranj && --bare < 0)
8274 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8275 if(canAdjudicate && appData.checkMates) {
8276 /* but only adjudicate if adjudication enabled */
8278 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8279 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8280 "Xboard adjudication: Bare king", GE_XBOARD );
8287 // don't wait for engine to announce game end if we can judge ourselves
8288 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8290 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8291 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8292 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8293 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8296 reason = "Xboard adjudication: 3rd check";
8297 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8308 reason = "Xboard adjudication: Stalemate";
8309 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8310 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8311 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8312 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8313 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8314 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8315 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8316 EP_CHECKMATE : EP_WINS);
8317 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8318 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8322 reason = "Xboard adjudication: Checkmate";
8323 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8324 if(gameInfo.variant == VariantShogi) {
8325 if(forwardMostMove > backwardMostMove
8326 && moveList[forwardMostMove-1][1] == '@'
8327 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8328 reason = "XBoard adjudication: pawn-drop mate";
8329 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8335 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8337 result = GameIsDrawn; break;
8339 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8341 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8345 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8347 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8348 GameEnds( result, reason, GE_XBOARD );
8352 /* Next absolutely insufficient mating material. */
8353 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8354 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8355 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8357 /* always flag draws, for judging claims */
8358 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8360 if(canAdjudicate && appData.materialDraws) {
8361 /* but only adjudicate them if adjudication enabled */
8362 if(engineOpponent) {
8363 SendToProgram("force\n", engineOpponent); // suppress reply
8364 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8366 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8371 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8372 if(gameInfo.variant == VariantXiangqi ?
8373 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8375 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8376 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8377 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8378 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8380 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8381 { /* if the first 3 moves do not show a tactical win, declare draw */
8382 if(engineOpponent) {
8383 SendToProgram("force\n", engineOpponent); // suppress reply
8384 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8386 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8389 } else moveCount = 6;
8392 // Repetition draws and 50-move rule can be applied independently of legality testing
8394 /* Check for rep-draws */
8396 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8397 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8398 for(k = forwardMostMove-2;
8399 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8400 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8401 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8404 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8405 /* compare castling rights */
8406 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8407 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8408 rights++; /* King lost rights, while rook still had them */
8409 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8410 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8411 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8412 rights++; /* but at least one rook lost them */
8414 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8415 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8417 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8418 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8419 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8422 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8423 && appData.drawRepeats > 1) {
8424 /* adjudicate after user-specified nr of repeats */
8425 int result = GameIsDrawn;
8426 char *details = "XBoard adjudication: repetition draw";
8427 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8428 // [HGM] xiangqi: check for forbidden perpetuals
8429 int m, ourPerpetual = 1, hisPerpetual = 1;
8430 for(m=forwardMostMove; m>k; m-=2) {
8431 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8432 ourPerpetual = 0; // the current mover did not always check
8433 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8434 hisPerpetual = 0; // the opponent did not always check
8436 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8437 ourPerpetual, hisPerpetual);
8438 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8439 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8440 details = "Xboard adjudication: perpetual checking";
8442 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8443 break; // (or we would have caught him before). Abort repetition-checking loop.
8445 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8446 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8448 details = "Xboard adjudication: repetition";
8450 } else // it must be XQ
8451 // Now check for perpetual chases
8452 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8453 hisPerpetual = PerpetualChase(k, forwardMostMove);
8454 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8455 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8456 static char resdet[MSG_SIZ];
8457 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8459 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8461 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8462 break; // Abort repetition-checking loop.
8464 // if neither of us is checking or chasing all the time, or both are, it is draw
8466 if(engineOpponent) {
8467 SendToProgram("force\n", engineOpponent); // suppress reply
8468 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8470 GameEnds( result, details, GE_XBOARD );
8473 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8474 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8478 /* Now we test for 50-move draws. Determine ply count */
8479 count = forwardMostMove;
8480 /* look for last irreversble move */
8481 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8483 /* if we hit starting position, add initial plies */
8484 if( count == backwardMostMove )
8485 count -= initialRulePlies;
8486 count = forwardMostMove - count;
8487 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8488 // adjust reversible move counter for checks in Xiangqi
8489 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8490 if(i < backwardMostMove) i = backwardMostMove;
8491 while(i <= forwardMostMove) {
8492 lastCheck = inCheck; // check evasion does not count
8493 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8494 if(inCheck || lastCheck) count--; // check does not count
8499 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8500 /* this is used to judge if draw claims are legal */
8501 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8502 if(engineOpponent) {
8503 SendToProgram("force\n", engineOpponent); // suppress reply
8504 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8506 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8510 /* if draw offer is pending, treat it as a draw claim
8511 * when draw condition present, to allow engines a way to
8512 * claim draws before making their move to avoid a race
8513 * condition occurring after their move
8515 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8517 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8518 p = "Draw claim: 50-move rule";
8519 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8520 p = "Draw claim: 3-fold repetition";
8521 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8522 p = "Draw claim: insufficient mating material";
8523 if( p != NULL && canAdjudicate) {
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, p, GE_XBOARD );
8533 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8534 if(engineOpponent) {
8535 SendToProgram("force\n", engineOpponent); // suppress reply
8536 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8538 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8544 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8545 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8546 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8551 int pieces[10], squares[10], cnt=0, r, f, res;
8553 static PPROBE_EGBB probeBB;
8554 if(!appData.testLegality) return 10;
8555 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8556 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8557 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8558 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8559 ChessSquare piece = boards[forwardMostMove][r][f];
8560 int black = (piece >= BlackPawn);
8561 int type = piece - black*BlackPawn;
8562 if(piece == EmptySquare) continue;
8563 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8564 if(type == WhiteKing) type = WhiteQueen + 1;
8565 type = egbbCode[type];
8566 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8567 pieces[cnt] = type + black*6;
8568 if(++cnt > 5) return 11;
8570 pieces[cnt] = squares[cnt] = 0;
8572 if(loaded == 2) return 13; // loading failed before
8574 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8577 loaded = 2; // prepare for failure
8578 if(!path) return 13; // no egbb installed
8579 strncpy(buf, path + 8, MSG_SIZ);
8580 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8581 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8582 lib = LoadLibrary(buf);
8583 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8584 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8585 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8586 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8587 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8588 loaded = 1; // success!
8590 res = probeBB(forwardMostMove & 1, pieces, squares);
8591 return res > 0 ? 1 : res < 0 ? -1 : 0;
8595 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8596 { // [HGM] book: this routine intercepts moves to simulate book replies
8597 char *bookHit = NULL;
8599 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8601 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8602 SendToProgram(buf, cps);
8604 //first determine if the incoming move brings opponent into his book
8605 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8606 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8607 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8608 if(bookHit != NULL && !cps->bookSuspend) {
8609 // make sure opponent is not going to reply after receiving move to book position
8610 SendToProgram("force\n", cps);
8611 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8613 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8614 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8615 // now arrange restart after book miss
8617 // after a book hit we never send 'go', and the code after the call to this routine
8618 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8619 char buf[MSG_SIZ], *move = bookHit;
8621 int fromX, fromY, toX, toY;
8625 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8626 &fromX, &fromY, &toX, &toY, &promoChar)) {
8627 (void) CoordsToAlgebraic(boards[forwardMostMove],
8628 PosFlags(forwardMostMove),
8629 fromY, fromX, toY, toX, promoChar, move);
8631 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8635 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8636 SendToProgram(buf, cps);
8637 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8638 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8639 SendToProgram("go\n", cps);
8640 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8641 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8642 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8643 SendToProgram("go\n", cps);
8644 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8646 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8650 LoadError (char *errmess, ChessProgramState *cps)
8651 { // unloads engine and switches back to -ncp mode if it was first
8652 if(cps->initDone) return FALSE;
8653 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8654 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8657 appData.noChessProgram = TRUE;
8658 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8659 gameMode = BeginningOfGame; ModeHighlight();
8662 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8663 DisplayMessage("", ""); // erase waiting message
8664 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8669 ChessProgramState *savedState;
8671 DeferredBookMove (void)
8673 if(savedState->lastPing != savedState->lastPong)
8674 ScheduleDelayedEvent(DeferredBookMove, 10);
8676 HandleMachineMove(savedMessage, savedState);
8679 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8680 static ChessProgramState *stalledEngine;
8681 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8684 HandleMachineMove (char *message, ChessProgramState *cps)
8686 static char firstLeg[20], legs;
8687 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8688 char realname[MSG_SIZ];
8689 int fromX, fromY, toX, toY;
8691 char promoChar, roar;
8696 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8697 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8698 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8699 DisplayError(_("Invalid pairing from pairing engine"), 0);
8702 pairingReceived = 1;
8704 return; // Skim the pairing messages here.
8707 oldError = cps->userError; cps->userError = 0;
8709 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8711 * Kludge to ignore BEL characters
8713 while (*message == '\007') message++;
8716 * [HGM] engine debug message: ignore lines starting with '#' character
8718 if(cps->debug && *message == '#') return;
8721 * Look for book output
8723 if (cps == &first && bookRequested) {
8724 if (message[0] == '\t' || message[0] == ' ') {
8725 /* Part of the book output is here; append it */
8726 strcat(bookOutput, message);
8727 strcat(bookOutput, " \n");
8729 } else if (bookOutput[0] != NULLCHAR) {
8730 /* All of book output has arrived; display it */
8731 char *p = bookOutput;
8732 while (*p != NULLCHAR) {
8733 if (*p == '\t') *p = ' ';
8736 DisplayInformation(bookOutput);
8737 bookRequested = FALSE;
8738 /* Fall through to parse the current output */
8743 * Look for machine move.
8745 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8746 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8748 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8749 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8750 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8751 stalledEngine = cps;
8752 if(appData.ponderNextMove) { // bring opponent out of ponder
8753 if(gameMode == TwoMachinesPlay) {
8754 if(cps->other->pause)
8755 PauseEngine(cps->other);
8757 SendToProgram("easy\n", cps->other);
8766 /* This method is only useful on engines that support ping */
8767 if(abortEngineThink) {
8768 if (appData.debugMode) {
8769 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8771 SendToProgram("undo\n", cps);
8775 if (cps->lastPing != cps->lastPong) {
8776 /* Extra move from before last new; ignore */
8777 if (appData.debugMode) {
8778 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8785 int machineWhite = FALSE;
8788 case BeginningOfGame:
8789 /* Extra move from before last reset; ignore */
8790 if (appData.debugMode) {
8791 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8798 /* Extra move after we tried to stop. The mode test is
8799 not a reliable way of detecting this problem, but it's
8800 the best we can do on engines that don't support ping.
8802 if (appData.debugMode) {
8803 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8804 cps->which, gameMode);
8806 SendToProgram("undo\n", cps);
8809 case MachinePlaysWhite:
8810 case IcsPlayingWhite:
8811 machineWhite = TRUE;
8814 case MachinePlaysBlack:
8815 case IcsPlayingBlack:
8816 machineWhite = FALSE;
8819 case TwoMachinesPlay:
8820 machineWhite = (cps->twoMachinesColor[0] == 'w');
8823 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8824 if (appData.debugMode) {
8826 "Ignoring move out of turn by %s, gameMode %d"
8827 ", forwardMost %d\n",
8828 cps->which, gameMode, forwardMostMove);
8834 if(cps->alphaRank) AlphaRank(machineMove, 4);
8836 // [HGM] lion: (some very limited) support for Alien protocol
8837 killX = killY = kill2X = kill2Y = -1;
8838 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8839 if(legs++) return; // middle leg contains only redundant info, ignore (but count it)
8840 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8843 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8844 char *q = strchr(p+1, ','); // second comma?
8845 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8846 if(q) legs = 2, p = q; else legs = 1; // with 3-leg move we clipof first two legs!
8847 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8849 if(firstLeg[0]) { // there was a previous leg;
8850 // only support case where same piece makes two step
8851 char buf[20], *p = machineMove+1, *q = buf+1, f;
8852 safeStrCpy(buf, machineMove, 20);
8853 while(isdigit(*q)) q++; // find start of to-square
8854 safeStrCpy(machineMove, firstLeg, 20);
8855 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8856 if(legs == 2) sscanf(p, "%c%d", &f, &kill2Y), kill2X = f - AAA, kill2Y -= ONE - '0'; // in 3-leg move 2nd kill is to-sqr of 1st leg
8857 else if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it is King move of castling)
8858 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8859 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8860 firstLeg[0] = NULLCHAR; legs = 0;
8863 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8864 &fromX, &fromY, &toX, &toY, &promoChar)) {
8865 /* Machine move could not be parsed; ignore it. */
8866 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8867 machineMove, _(cps->which));
8868 DisplayMoveError(buf1);
8869 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8870 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8871 if (gameMode == TwoMachinesPlay) {
8872 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8878 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8879 /* So we have to redo legality test with true e.p. status here, */
8880 /* to make sure an illegal e.p. capture does not slip through, */
8881 /* to cause a forfeit on a justified illegal-move complaint */
8882 /* of the opponent. */
8883 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8885 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8886 fromY, fromX, toY, toX, promoChar);
8887 if(moveType == IllegalMove) {
8888 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8889 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8890 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8893 } else if(!appData.fischerCastling)
8894 /* [HGM] Kludge to handle engines that send FRC-style castling
8895 when they shouldn't (like TSCP-Gothic) */
8897 case WhiteASideCastleFR:
8898 case BlackASideCastleFR:
8900 currentMoveString[2]++;
8902 case WhiteHSideCastleFR:
8903 case BlackHSideCastleFR:
8905 currentMoveString[2]--;
8907 default: ; // nothing to do, but suppresses warning of pedantic compilers
8910 hintRequested = FALSE;
8911 lastHint[0] = NULLCHAR;
8912 bookRequested = FALSE;
8913 /* Program may be pondering now */
8914 cps->maybeThinking = TRUE;
8915 if (cps->sendTime == 2) cps->sendTime = 1;
8916 if (cps->offeredDraw) cps->offeredDraw--;
8918 /* [AS] Save move info*/
8919 pvInfoList[ forwardMostMove ].score = programStats.score;
8920 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8921 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8923 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8925 /* Test suites abort the 'game' after one move */
8926 if(*appData.finger) {
8928 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8929 if(!f) f = fopen(appData.finger, "w");
8930 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8931 else { DisplayFatalError("Bad output file", errno, 0); return; }
8933 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8936 if(solvingTime >= 0) {
8937 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8938 totalTime += solvingTime; first.matchWins++;
8940 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8943 OutputKibitz(2, buf1);
8944 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8947 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8948 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8951 while( count < adjudicateLossPlies ) {
8952 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8955 score = -score; /* Flip score for winning side */
8958 if( score > appData.adjudicateLossThreshold ) {
8965 if( count >= adjudicateLossPlies ) {
8966 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8968 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8969 "Xboard adjudication",
8976 if(Adjudicate(cps)) {
8977 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8978 return; // [HGM] adjudicate: for all automatic game ends
8982 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8984 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8985 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8987 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8989 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8991 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8992 char buf[3*MSG_SIZ];
8994 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8995 programStats.score / 100.,
8997 programStats.time / 100.,
8998 (unsigned int)programStats.nodes,
8999 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
9000 programStats.movelist);
9006 /* [AS] Clear stats for next move */
9007 ClearProgramStats();
9008 thinkOutput[0] = NULLCHAR;
9009 hiddenThinkOutputState = 0;
9012 if (gameMode == TwoMachinesPlay) {
9013 /* [HGM] relaying draw offers moved to after reception of move */
9014 /* and interpreting offer as claim if it brings draw condition */
9015 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9016 SendToProgram("draw\n", cps->other);
9018 if (cps->other->sendTime) {
9019 SendTimeRemaining(cps->other,
9020 cps->other->twoMachinesColor[0] == 'w');
9022 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9023 if (firstMove && !bookHit) {
9025 if (cps->other->useColors) {
9026 SendToProgram(cps->other->twoMachinesColor, cps->other);
9028 SendToProgram("go\n", cps->other);
9030 cps->other->maybeThinking = TRUE;
9033 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9035 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9037 if (!pausing && appData.ringBellAfterMoves) {
9038 if(!roar) RingBell();
9042 * Reenable menu items that were disabled while
9043 * machine was thinking
9045 if (gameMode != TwoMachinesPlay)
9046 SetUserThinkingEnables();
9048 // [HGM] book: after book hit opponent has received move and is now in force mode
9049 // force the book reply into it, and then fake that it outputted this move by jumping
9050 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9052 static char bookMove[MSG_SIZ]; // a bit generous?
9054 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9055 strcat(bookMove, bookHit);
9058 programStats.nodes = programStats.depth = programStats.time =
9059 programStats.score = programStats.got_only_move = 0;
9060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9062 if(cps->lastPing != cps->lastPong) {
9063 savedMessage = message; // args for deferred call
9065 ScheduleDelayedEvent(DeferredBookMove, 10);
9074 /* Set special modes for chess engines. Later something general
9075 * could be added here; for now there is just one kludge feature,
9076 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9077 * when "xboard" is given as an interactive command.
9079 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9080 cps->useSigint = FALSE;
9081 cps->useSigterm = FALSE;
9083 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9084 ParseFeatures(message+8, cps);
9085 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9088 if (!strncmp(message, "setup ", 6) &&
9089 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9090 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9091 ) { // [HGM] allow first engine to define opening position
9092 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9093 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9095 if(sscanf(message, "setup (%s", buf) == 1) {
9096 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9097 ASSIGN(appData.pieceToCharTable, buf);
9099 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9101 while(message[s] && message[s++] != ' ');
9102 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9103 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9104 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9105 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9106 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9107 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9108 startedFromSetupPosition = FALSE;
9111 if(startedFromSetupPosition) return;
9112 ParseFEN(boards[0], &dummy, message+s, FALSE);
9113 DrawPosition(TRUE, boards[0]);
9114 CopyBoard(initialPosition, boards[0]);
9115 startedFromSetupPosition = TRUE;
9118 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9119 ChessSquare piece = WhitePawn;
9120 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9121 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9122 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9123 piece += CharToPiece(ID & 255) - WhitePawn;
9124 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9125 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9126 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9127 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9128 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9129 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9130 && gameInfo.variant != VariantGreat
9131 && gameInfo.variant != VariantFairy ) return;
9132 if(piece < EmptySquare) {
9134 ASSIGN(pieceDesc[piece], buf1);
9135 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9139 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9140 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9144 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9145 * want this, I was asked to put it in, and obliged.
9147 if (!strncmp(message, "setboard ", 9)) {
9148 Board initial_position;
9150 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9152 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9153 DisplayError(_("Bad FEN received from engine"), 0);
9157 CopyBoard(boards[0], initial_position);
9158 initialRulePlies = FENrulePlies;
9159 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9160 else gameMode = MachinePlaysBlack;
9161 DrawPosition(FALSE, boards[currentMove]);
9167 * Look for communication commands
9169 if (!strncmp(message, "telluser ", 9)) {
9170 if(message[9] == '\\' && message[10] == '\\')
9171 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9173 DisplayNote(message + 9);
9176 if (!strncmp(message, "tellusererror ", 14)) {
9178 if(message[14] == '\\' && message[15] == '\\')
9179 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9181 DisplayError(message + 14, 0);
9184 if (!strncmp(message, "tellopponent ", 13)) {
9185 if (appData.icsActive) {
9187 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9191 DisplayNote(message + 13);
9195 if (!strncmp(message, "tellothers ", 11)) {
9196 if (appData.icsActive) {
9198 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9201 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9204 if (!strncmp(message, "tellall ", 8)) {
9205 if (appData.icsActive) {
9207 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9211 DisplayNote(message + 8);
9215 if (strncmp(message, "warning", 7) == 0) {
9216 /* Undocumented feature, use tellusererror in new code */
9217 DisplayError(message, 0);
9220 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9221 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9222 strcat(realname, " query");
9223 AskQuestion(realname, buf2, buf1, cps->pr);
9226 /* Commands from the engine directly to ICS. We don't allow these to be
9227 * sent until we are logged on. Crafty kibitzes have been known to
9228 * interfere with the login process.
9231 if (!strncmp(message, "tellics ", 8)) {
9232 SendToICS(message + 8);
9236 if (!strncmp(message, "tellicsnoalias ", 15)) {
9237 SendToICS(ics_prefix);
9238 SendToICS(message + 15);
9242 /* The following are for backward compatibility only */
9243 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9244 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9245 SendToICS(ics_prefix);
9251 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9252 if(initPing == cps->lastPong) {
9253 if(gameInfo.variant == VariantUnknown) {
9254 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9255 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9256 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9260 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9261 abortEngineThink = FALSE;
9262 DisplayMessage("", "");
9267 if(!strncmp(message, "highlight ", 10)) {
9268 if(appData.testLegality && !*engineVariant && appData.markers) return;
9269 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9272 if(!strncmp(message, "click ", 6)) {
9273 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9274 if(appData.testLegality || !appData.oneClick) return;
9275 sscanf(message+6, "%c%d%c", &f, &y, &c);
9276 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9277 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9278 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9279 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9280 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9281 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9282 LeftClick(Release, lastLeftX, lastLeftY);
9283 controlKey = (c == ',');
9284 LeftClick(Press, x, y);
9285 LeftClick(Release, x, y);
9286 first.highlight = f;
9290 * If the move is illegal, cancel it and redraw the board.
9291 * Also deal with other error cases. Matching is rather loose
9292 * here to accommodate engines written before the spec.
9294 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9295 strncmp(message, "Error", 5) == 0) {
9296 if (StrStr(message, "name") ||
9297 StrStr(message, "rating") || StrStr(message, "?") ||
9298 StrStr(message, "result") || StrStr(message, "board") ||
9299 StrStr(message, "bk") || StrStr(message, "computer") ||
9300 StrStr(message, "variant") || StrStr(message, "hint") ||
9301 StrStr(message, "random") || StrStr(message, "depth") ||
9302 StrStr(message, "accepted")) {
9305 if (StrStr(message, "protover")) {
9306 /* Program is responding to input, so it's apparently done
9307 initializing, and this error message indicates it is
9308 protocol version 1. So we don't need to wait any longer
9309 for it to initialize and send feature commands. */
9310 FeatureDone(cps, 1);
9311 cps->protocolVersion = 1;
9314 cps->maybeThinking = FALSE;
9316 if (StrStr(message, "draw")) {
9317 /* Program doesn't have "draw" command */
9318 cps->sendDrawOffers = 0;
9321 if (cps->sendTime != 1 &&
9322 (StrStr(message, "time") || StrStr(message, "otim"))) {
9323 /* Program apparently doesn't have "time" or "otim" command */
9327 if (StrStr(message, "analyze")) {
9328 cps->analysisSupport = FALSE;
9329 cps->analyzing = FALSE;
9330 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9331 EditGameEvent(); // [HGM] try to preserve loaded game
9332 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9333 DisplayError(buf2, 0);
9336 if (StrStr(message, "(no matching move)st")) {
9337 /* Special kludge for GNU Chess 4 only */
9338 cps->stKludge = TRUE;
9339 SendTimeControl(cps, movesPerSession, timeControl,
9340 timeIncrement, appData.searchDepth,
9344 if (StrStr(message, "(no matching move)sd")) {
9345 /* Special kludge for GNU Chess 4 only */
9346 cps->sdKludge = TRUE;
9347 SendTimeControl(cps, movesPerSession, timeControl,
9348 timeIncrement, appData.searchDepth,
9352 if (!StrStr(message, "llegal")) {
9355 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9356 gameMode == IcsIdle) return;
9357 if (forwardMostMove <= backwardMostMove) return;
9358 if (pausing) PauseEvent();
9359 if(appData.forceIllegal) {
9360 // [HGM] illegal: machine refused move; force position after move into it
9361 SendToProgram("force\n", cps);
9362 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9363 // we have a real problem now, as SendBoard will use the a2a3 kludge
9364 // when black is to move, while there might be nothing on a2 or black
9365 // might already have the move. So send the board as if white has the move.
9366 // But first we must change the stm of the engine, as it refused the last move
9367 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9368 if(WhiteOnMove(forwardMostMove)) {
9369 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9370 SendBoard(cps, forwardMostMove); // kludgeless board
9372 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9373 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9374 SendBoard(cps, forwardMostMove+1); // kludgeless board
9376 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9377 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9378 gameMode == TwoMachinesPlay)
9379 SendToProgram("go\n", cps);
9382 if (gameMode == PlayFromGameFile) {
9383 /* Stop reading this game file */
9384 gameMode = EditGame;
9387 /* [HGM] illegal-move claim should forfeit game when Xboard */
9388 /* only passes fully legal moves */
9389 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9390 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9391 "False illegal-move claim", GE_XBOARD );
9392 return; // do not take back move we tested as valid
9394 currentMove = forwardMostMove-1;
9395 DisplayMove(currentMove-1); /* before DisplayMoveError */
9396 SwitchClocks(forwardMostMove-1); // [HGM] race
9397 DisplayBothClocks();
9398 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9399 parseList[currentMove], _(cps->which));
9400 DisplayMoveError(buf1);
9401 DrawPosition(FALSE, boards[currentMove]);
9403 SetUserThinkingEnables();
9406 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9407 /* Program has a broken "time" command that
9408 outputs a string not ending in newline.
9412 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9413 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9414 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9418 * If chess program startup fails, exit with an error message.
9419 * Attempts to recover here are futile. [HGM] Well, we try anyway
9421 if ((StrStr(message, "unknown host") != NULL)
9422 || (StrStr(message, "No remote directory") != NULL)
9423 || (StrStr(message, "not found") != NULL)
9424 || (StrStr(message, "No such file") != NULL)
9425 || (StrStr(message, "can't alloc") != NULL)
9426 || (StrStr(message, "Permission denied") != NULL)) {
9428 cps->maybeThinking = FALSE;
9429 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9430 _(cps->which), cps->program, cps->host, message);
9431 RemoveInputSource(cps->isr);
9432 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9433 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9434 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9440 * Look for hint output
9442 if (sscanf(message, "Hint: %s", buf1) == 1) {
9443 if (cps == &first && hintRequested) {
9444 hintRequested = FALSE;
9445 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9446 &fromX, &fromY, &toX, &toY, &promoChar)) {
9447 (void) CoordsToAlgebraic(boards[forwardMostMove],
9448 PosFlags(forwardMostMove),
9449 fromY, fromX, toY, toX, promoChar, buf1);
9450 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9451 DisplayInformation(buf2);
9453 /* Hint move could not be parsed!? */
9454 snprintf(buf2, sizeof(buf2),
9455 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9456 buf1, _(cps->which));
9457 DisplayError(buf2, 0);
9460 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9466 * Ignore other messages if game is not in progress
9468 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9469 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9472 * look for win, lose, draw, or draw offer
9474 if (strncmp(message, "1-0", 3) == 0) {
9475 char *p, *q, *r = "";
9476 p = strchr(message, '{');
9484 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9486 } else if (strncmp(message, "0-1", 3) == 0) {
9487 char *p, *q, *r = "";
9488 p = strchr(message, '{');
9496 /* Kludge for Arasan 4.1 bug */
9497 if (strcmp(r, "Black resigns") == 0) {
9498 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9501 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9503 } else if (strncmp(message, "1/2", 3) == 0) {
9504 char *p, *q, *r = "";
9505 p = strchr(message, '{');
9514 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9517 } else if (strncmp(message, "White resign", 12) == 0) {
9518 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9520 } else if (strncmp(message, "Black resign", 12) == 0) {
9521 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9523 } else if (strncmp(message, "White matches", 13) == 0 ||
9524 strncmp(message, "Black matches", 13) == 0 ) {
9525 /* [HGM] ignore GNUShogi noises */
9527 } else if (strncmp(message, "White", 5) == 0 &&
9528 message[5] != '(' &&
9529 StrStr(message, "Black") == NULL) {
9530 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9532 } else if (strncmp(message, "Black", 5) == 0 &&
9533 message[5] != '(') {
9534 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9536 } else if (strcmp(message, "resign") == 0 ||
9537 strcmp(message, "computer resigns") == 0) {
9539 case MachinePlaysBlack:
9540 case IcsPlayingBlack:
9541 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9543 case MachinePlaysWhite:
9544 case IcsPlayingWhite:
9545 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9547 case TwoMachinesPlay:
9548 if (cps->twoMachinesColor[0] == 'w')
9549 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9551 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9558 } else if (strncmp(message, "opponent mates", 14) == 0) {
9560 case MachinePlaysBlack:
9561 case IcsPlayingBlack:
9562 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9564 case MachinePlaysWhite:
9565 case IcsPlayingWhite:
9566 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9568 case TwoMachinesPlay:
9569 if (cps->twoMachinesColor[0] == 'w')
9570 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9572 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9579 } else if (strncmp(message, "computer mates", 14) == 0) {
9581 case MachinePlaysBlack:
9582 case IcsPlayingBlack:
9583 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9585 case MachinePlaysWhite:
9586 case IcsPlayingWhite:
9587 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9589 case TwoMachinesPlay:
9590 if (cps->twoMachinesColor[0] == 'w')
9591 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9593 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9600 } else if (strncmp(message, "checkmate", 9) == 0) {
9601 if (WhiteOnMove(forwardMostMove)) {
9602 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9604 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9607 } else if (strstr(message, "Draw") != NULL ||
9608 strstr(message, "game is a draw") != NULL) {
9609 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9611 } else if (strstr(message, "offer") != NULL &&
9612 strstr(message, "draw") != NULL) {
9614 if (appData.zippyPlay && first.initDone) {
9615 /* Relay offer to ICS */
9616 SendToICS(ics_prefix);
9617 SendToICS("draw\n");
9620 cps->offeredDraw = 2; /* valid until this engine moves twice */
9621 if (gameMode == TwoMachinesPlay) {
9622 if (cps->other->offeredDraw) {
9623 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9624 /* [HGM] in two-machine mode we delay relaying draw offer */
9625 /* until after we also have move, to see if it is really claim */
9627 } else if (gameMode == MachinePlaysWhite ||
9628 gameMode == MachinePlaysBlack) {
9629 if (userOfferedDraw) {
9630 DisplayInformation(_("Machine accepts your draw offer"));
9631 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9633 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9640 * Look for thinking output
9642 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9643 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9645 int plylev, mvleft, mvtot, curscore, time;
9646 char mvname[MOVE_LEN];
9650 int prefixHint = FALSE;
9651 mvname[0] = NULLCHAR;
9654 case MachinePlaysBlack:
9655 case IcsPlayingBlack:
9656 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9658 case MachinePlaysWhite:
9659 case IcsPlayingWhite:
9660 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9665 case IcsObserving: /* [DM] icsEngineAnalyze */
9666 if (!appData.icsEngineAnalyze) ignore = TRUE;
9668 case TwoMachinesPlay:
9669 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9679 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9681 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9682 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9683 char score_buf[MSG_SIZ];
9685 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9686 nodes += u64Const(0x100000000);
9688 if (plyext != ' ' && plyext != '\t') {
9692 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9693 if( cps->scoreIsAbsolute &&
9694 ( gameMode == MachinePlaysBlack ||
9695 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9696 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9697 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9698 !WhiteOnMove(currentMove)
9701 curscore = -curscore;
9704 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9706 if(*bestMove) { // rememer time best EPD move was first found
9707 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9709 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9710 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9711 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9714 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9717 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9718 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9719 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9720 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9721 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9722 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9726 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9727 DisplayError(_("failed writing PV"), 0);
9730 tempStats.depth = plylev;
9731 tempStats.nodes = nodes;
9732 tempStats.time = time;
9733 tempStats.score = curscore;
9734 tempStats.got_only_move = 0;
9736 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9739 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9740 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9741 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9742 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9743 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9744 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9745 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9746 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9749 /* Buffer overflow protection */
9750 if (pv[0] != NULLCHAR) {
9751 if (strlen(pv) >= sizeof(tempStats.movelist)
9752 && appData.debugMode) {
9754 "PV is too long; using the first %u bytes.\n",
9755 (unsigned) sizeof(tempStats.movelist) - 1);
9758 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9760 sprintf(tempStats.movelist, " no PV\n");
9763 if (tempStats.seen_stat) {
9764 tempStats.ok_to_send = 1;
9767 if (strchr(tempStats.movelist, '(') != NULL) {
9768 tempStats.line_is_book = 1;
9769 tempStats.nr_moves = 0;
9770 tempStats.moves_left = 0;
9772 tempStats.line_is_book = 0;
9775 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9776 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9778 SendProgramStatsToFrontend( cps, &tempStats );
9781 [AS] Protect the thinkOutput buffer from overflow... this
9782 is only useful if buf1 hasn't overflowed first!
9784 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9785 if(curscore >= MATE_SCORE)
9786 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9787 else if(curscore <= -MATE_SCORE)
9788 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9790 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9791 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9793 (gameMode == TwoMachinesPlay ?
9794 ToUpper(cps->twoMachinesColor[0]) : ' '),
9796 prefixHint ? lastHint : "",
9797 prefixHint ? " " : "" );
9799 if( buf1[0] != NULLCHAR ) {
9800 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9802 if( strlen(pv) > max_len ) {
9803 if( appData.debugMode) {
9804 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9806 pv[max_len+1] = '\0';
9809 strcat( thinkOutput, pv);
9812 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9813 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9814 DisplayMove(currentMove - 1);
9818 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9819 /* crafty (9.25+) says "(only move) <move>"
9820 * if there is only 1 legal move
9822 sscanf(p, "(only move) %s", buf1);
9823 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9824 sprintf(programStats.movelist, "%s (only move)", buf1);
9825 programStats.depth = 1;
9826 programStats.nr_moves = 1;
9827 programStats.moves_left = 1;
9828 programStats.nodes = 1;
9829 programStats.time = 1;
9830 programStats.got_only_move = 1;
9832 /* Not really, but we also use this member to
9833 mean "line isn't going to change" (Crafty
9834 isn't searching, so stats won't change) */
9835 programStats.line_is_book = 1;
9837 SendProgramStatsToFrontend( cps, &programStats );
9839 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9840 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9841 DisplayMove(currentMove - 1);
9844 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9845 &time, &nodes, &plylev, &mvleft,
9846 &mvtot, mvname) >= 5) {
9847 /* The stat01: line is from Crafty (9.29+) in response
9848 to the "." command */
9849 programStats.seen_stat = 1;
9850 cps->maybeThinking = TRUE;
9852 if (programStats.got_only_move || !appData.periodicUpdates)
9855 programStats.depth = plylev;
9856 programStats.time = time;
9857 programStats.nodes = nodes;
9858 programStats.moves_left = mvleft;
9859 programStats.nr_moves = mvtot;
9860 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9861 programStats.ok_to_send = 1;
9862 programStats.movelist[0] = '\0';
9864 SendProgramStatsToFrontend( cps, &programStats );
9868 } else if (strncmp(message,"++",2) == 0) {
9869 /* Crafty 9.29+ outputs this */
9870 programStats.got_fail = 2;
9873 } else if (strncmp(message,"--",2) == 0) {
9874 /* Crafty 9.29+ outputs this */
9875 programStats.got_fail = 1;
9878 } else if (thinkOutput[0] != NULLCHAR &&
9879 strncmp(message, " ", 4) == 0) {
9880 unsigned message_len;
9883 while (*p && *p == ' ') p++;
9885 message_len = strlen( p );
9887 /* [AS] Avoid buffer overflow */
9888 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9889 strcat(thinkOutput, " ");
9890 strcat(thinkOutput, p);
9893 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9894 strcat(programStats.movelist, " ");
9895 strcat(programStats.movelist, p);
9898 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9899 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9900 DisplayMove(currentMove - 1);
9908 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9909 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9911 ChessProgramStats cpstats;
9913 if (plyext != ' ' && plyext != '\t') {
9917 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9918 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9919 curscore = -curscore;
9922 cpstats.depth = plylev;
9923 cpstats.nodes = nodes;
9924 cpstats.time = time;
9925 cpstats.score = curscore;
9926 cpstats.got_only_move = 0;
9927 cpstats.movelist[0] = '\0';
9929 if (buf1[0] != NULLCHAR) {
9930 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9933 cpstats.ok_to_send = 0;
9934 cpstats.line_is_book = 0;
9935 cpstats.nr_moves = 0;
9936 cpstats.moves_left = 0;
9938 SendProgramStatsToFrontend( cps, &cpstats );
9945 /* Parse a game score from the character string "game", and
9946 record it as the history of the current game. The game
9947 score is NOT assumed to start from the standard position.
9948 The display is not updated in any way.
9951 ParseGameHistory (char *game)
9954 int fromX, fromY, toX, toY, boardIndex;
9959 if (appData.debugMode)
9960 fprintf(debugFP, "Parsing game history: %s\n", game);
9962 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9963 gameInfo.site = StrSave(appData.icsHost);
9964 gameInfo.date = PGNDate();
9965 gameInfo.round = StrSave("-");
9967 /* Parse out names of players */
9968 while (*game == ' ') game++;
9970 while (*game != ' ') *p++ = *game++;
9972 gameInfo.white = StrSave(buf);
9973 while (*game == ' ') game++;
9975 while (*game != ' ' && *game != '\n') *p++ = *game++;
9977 gameInfo.black = StrSave(buf);
9980 boardIndex = blackPlaysFirst ? 1 : 0;
9983 yyboardindex = boardIndex;
9984 moveType = (ChessMove) Myylex();
9986 case IllegalMove: /* maybe suicide chess, etc. */
9987 if (appData.debugMode) {
9988 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9989 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9990 setbuf(debugFP, NULL);
9992 case WhitePromotion:
9993 case BlackPromotion:
9994 case WhiteNonPromotion:
9995 case BlackNonPromotion:
9998 case WhiteCapturesEnPassant:
9999 case BlackCapturesEnPassant:
10000 case WhiteKingSideCastle:
10001 case WhiteQueenSideCastle:
10002 case BlackKingSideCastle:
10003 case BlackQueenSideCastle:
10004 case WhiteKingSideCastleWild:
10005 case WhiteQueenSideCastleWild:
10006 case BlackKingSideCastleWild:
10007 case BlackQueenSideCastleWild:
10009 case WhiteHSideCastleFR:
10010 case WhiteASideCastleFR:
10011 case BlackHSideCastleFR:
10012 case BlackASideCastleFR:
10014 fromX = currentMoveString[0] - AAA;
10015 fromY = currentMoveString[1] - ONE;
10016 toX = currentMoveString[2] - AAA;
10017 toY = currentMoveString[3] - ONE;
10018 promoChar = currentMoveString[4];
10022 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10023 fromX = moveType == WhiteDrop ?
10024 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10025 (int) CharToPiece(ToLower(currentMoveString[0]));
10027 toX = currentMoveString[2] - AAA;
10028 toY = currentMoveString[3] - ONE;
10029 promoChar = NULLCHAR;
10031 case AmbiguousMove:
10033 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10034 if (appData.debugMode) {
10035 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10036 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10037 setbuf(debugFP, NULL);
10039 DisplayError(buf, 0);
10041 case ImpossibleMove:
10043 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10044 if (appData.debugMode) {
10045 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10046 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10047 setbuf(debugFP, NULL);
10049 DisplayError(buf, 0);
10052 if (boardIndex < backwardMostMove) {
10053 /* Oops, gap. How did that happen? */
10054 DisplayError(_("Gap in move list"), 0);
10057 backwardMostMove = blackPlaysFirst ? 1 : 0;
10058 if (boardIndex > forwardMostMove) {
10059 forwardMostMove = boardIndex;
10063 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10064 strcat(parseList[boardIndex-1], " ");
10065 strcat(parseList[boardIndex-1], yy_text);
10077 case GameUnfinished:
10078 if (gameMode == IcsExamining) {
10079 if (boardIndex < backwardMostMove) {
10080 /* Oops, gap. How did that happen? */
10083 backwardMostMove = blackPlaysFirst ? 1 : 0;
10086 gameInfo.result = moveType;
10087 p = strchr(yy_text, '{');
10088 if (p == NULL) p = strchr(yy_text, '(');
10091 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10093 q = strchr(p, *p == '{' ? '}' : ')');
10094 if (q != NULL) *q = NULLCHAR;
10097 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10098 gameInfo.resultDetails = StrSave(p);
10101 if (boardIndex >= forwardMostMove &&
10102 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10103 backwardMostMove = blackPlaysFirst ? 1 : 0;
10106 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10107 fromY, fromX, toY, toX, promoChar,
10108 parseList[boardIndex]);
10109 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10110 /* currentMoveString is set as a side-effect of yylex */
10111 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10112 strcat(moveList[boardIndex], "\n");
10114 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10115 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10121 if(!IS_SHOGI(gameInfo.variant))
10122 strcat(parseList[boardIndex - 1], "+");
10126 strcat(parseList[boardIndex - 1], "#");
10133 /* Apply a move to the given board */
10135 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10137 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10138 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10140 /* [HGM] compute & store e.p. status and castling rights for new position */
10141 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10143 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10144 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10145 board[EP_STATUS] = EP_NONE;
10146 board[EP_FILE] = board[EP_RANK] = 100;
10148 if (fromY == DROP_RANK) {
10149 /* must be first */
10150 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10151 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10154 piece = board[toY][toX] = (ChessSquare) fromX;
10156 // ChessSquare victim;
10159 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10160 // victim = board[killY][killX],
10161 killed = board[killY][killX],
10162 board[killY][killX] = EmptySquare,
10163 board[EP_STATUS] = EP_CAPTURE;
10164 if( kill2X >= 0 && kill2Y >= 0)
10165 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10168 if( board[toY][toX] != EmptySquare ) {
10169 board[EP_STATUS] = EP_CAPTURE;
10170 if( (fromX != toX || fromY != toY) && // not igui!
10171 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10172 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10173 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10177 pawn = board[fromY][fromX];
10178 if( pawn == WhiteLance || pawn == BlackLance ) {
10179 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10180 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10181 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10184 if( pawn == WhitePawn ) {
10185 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10186 board[EP_STATUS] = EP_PAWN_MOVE;
10187 if( toY-fromY>=2) {
10188 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10189 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10190 gameInfo.variant != VariantBerolina || toX < fromX)
10191 board[EP_STATUS] = toX | berolina;
10192 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10193 gameInfo.variant != VariantBerolina || toX > fromX)
10194 board[EP_STATUS] = toX;
10197 if( pawn == BlackPawn ) {
10198 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10199 board[EP_STATUS] = EP_PAWN_MOVE;
10200 if( toY-fromY<= -2) {
10201 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY + 1 | 128*(fromY - toY > 2);
10202 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10203 gameInfo.variant != VariantBerolina || toX < fromX)
10204 board[EP_STATUS] = toX | berolina;
10205 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10206 gameInfo.variant != VariantBerolina || toX > fromX)
10207 board[EP_STATUS] = toX;
10211 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10212 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10213 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10214 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10216 for(i=0; i<nrCastlingRights; i++) {
10217 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10218 board[CASTLING][i] == toX && castlingRank[i] == toY
10219 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10222 if(gameInfo.variant == VariantSChess) { // update virginity
10223 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10224 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10225 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10226 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10229 if (fromX == toX && fromY == toY && killX < 0) return;
10231 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10232 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10233 if(gameInfo.variant == VariantKnightmate)
10234 king += (int) WhiteUnicorn - (int) WhiteKing;
10236 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10237 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10238 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10239 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10240 board[EP_STATUS] = EP_NONE; // capture was fake!
10242 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10243 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10244 board[toY][toX] = piece;
10245 board[EP_STATUS] = EP_NONE; // capture was fake!
10247 /* Code added by Tord: */
10248 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10249 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10250 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10251 board[EP_STATUS] = EP_NONE; // capture was fake!
10252 board[fromY][fromX] = EmptySquare;
10253 board[toY][toX] = EmptySquare;
10254 if((toX > fromX) != (piece == WhiteRook)) {
10255 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10257 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10259 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10260 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10261 board[EP_STATUS] = EP_NONE;
10262 board[fromY][fromX] = EmptySquare;
10263 board[toY][toX] = EmptySquare;
10264 if((toX > fromX) != (piece == BlackRook)) {
10265 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10267 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10269 /* End of code added by Tord */
10271 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10272 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10273 board[toY][toX] = piece;
10274 } else if (board[fromY][fromX] == king
10275 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10276 && toY == fromY && toX > fromX+1) {
10277 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10278 board[fromY][toX-1] = board[fromY][rookX];
10279 board[fromY][rookX] = EmptySquare;
10280 board[fromY][fromX] = EmptySquare;
10281 board[toY][toX] = king;
10282 } else if (board[fromY][fromX] == king
10283 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10284 && toY == fromY && toX < fromX-1) {
10285 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10286 board[fromY][toX+1] = board[fromY][rookX];
10287 board[fromY][rookX] = EmptySquare;
10288 board[fromY][fromX] = EmptySquare;
10289 board[toY][toX] = king;
10290 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10291 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10292 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10294 /* white pawn promotion */
10295 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10296 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10297 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10298 board[fromY][fromX] = EmptySquare;
10299 } else if ((fromY >= BOARD_HEIGHT>>1)
10300 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10302 && gameInfo.variant != VariantXiangqi
10303 && gameInfo.variant != VariantBerolina
10304 && (pawn == WhitePawn)
10305 && (board[toY][toX] == EmptySquare)) {
10306 board[fromY][fromX] = EmptySquare;
10307 board[toY][toX] = piece;
10308 if(toY == epRank - 128 + 1)
10309 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10311 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10312 } else if ((fromY == BOARD_HEIGHT-4)
10314 && gameInfo.variant == VariantBerolina
10315 && (board[fromY][fromX] == WhitePawn)
10316 && (board[toY][toX] == EmptySquare)) {
10317 board[fromY][fromX] = EmptySquare;
10318 board[toY][toX] = WhitePawn;
10319 if(oldEP & EP_BEROLIN_A) {
10320 captured = board[fromY][fromX-1];
10321 board[fromY][fromX-1] = EmptySquare;
10322 }else{ captured = board[fromY][fromX+1];
10323 board[fromY][fromX+1] = EmptySquare;
10325 } else if (board[fromY][fromX] == king
10326 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10327 && toY == fromY && toX > fromX+1) {
10328 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10329 board[fromY][toX-1] = board[fromY][rookX];
10330 board[fromY][rookX] = EmptySquare;
10331 board[fromY][fromX] = EmptySquare;
10332 board[toY][toX] = king;
10333 } else if (board[fromY][fromX] == king
10334 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10335 && toY == fromY && toX < fromX-1) {
10336 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10337 board[fromY][toX+1] = board[fromY][rookX];
10338 board[fromY][rookX] = EmptySquare;
10339 board[fromY][fromX] = EmptySquare;
10340 board[toY][toX] = king;
10341 } else if (fromY == 7 && fromX == 3
10342 && board[fromY][fromX] == BlackKing
10343 && toY == 7 && toX == 5) {
10344 board[fromY][fromX] = EmptySquare;
10345 board[toY][toX] = BlackKing;
10346 board[fromY][7] = EmptySquare;
10347 board[toY][4] = BlackRook;
10348 } else if (fromY == 7 && fromX == 3
10349 && board[fromY][fromX] == BlackKing
10350 && toY == 7 && toX == 1) {
10351 board[fromY][fromX] = EmptySquare;
10352 board[toY][toX] = BlackKing;
10353 board[fromY][0] = EmptySquare;
10354 board[toY][2] = BlackRook;
10355 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10356 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10357 && toY < promoRank && promoChar
10359 /* black pawn promotion */
10360 board[toY][toX] = CharToPiece(ToLower(promoChar));
10361 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10362 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10363 board[fromY][fromX] = EmptySquare;
10364 } else if ((fromY < BOARD_HEIGHT>>1)
10365 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10367 && gameInfo.variant != VariantXiangqi
10368 && gameInfo.variant != VariantBerolina
10369 && (pawn == BlackPawn)
10370 && (board[toY][toX] == EmptySquare)) {
10371 board[fromY][fromX] = EmptySquare;
10372 board[toY][toX] = piece;
10373 if(toY == epRank - 128 - 1)
10374 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10376 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10377 } else if ((fromY == 3)
10379 && gameInfo.variant == VariantBerolina
10380 && (board[fromY][fromX] == BlackPawn)
10381 && (board[toY][toX] == EmptySquare)) {
10382 board[fromY][fromX] = EmptySquare;
10383 board[toY][toX] = BlackPawn;
10384 if(oldEP & EP_BEROLIN_A) {
10385 captured = board[fromY][fromX-1];
10386 board[fromY][fromX-1] = EmptySquare;
10387 }else{ captured = board[fromY][fromX+1];
10388 board[fromY][fromX+1] = EmptySquare;
10391 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10392 board[fromY][fromX] = EmptySquare;
10393 board[toY][toX] = piece;
10397 if (gameInfo.holdingsWidth != 0) {
10399 /* !!A lot more code needs to be written to support holdings */
10400 /* [HGM] OK, so I have written it. Holdings are stored in the */
10401 /* penultimate board files, so they are automaticlly stored */
10402 /* in the game history. */
10403 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10404 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10405 /* Delete from holdings, by decreasing count */
10406 /* and erasing image if necessary */
10407 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10408 if(p < (int) BlackPawn) { /* white drop */
10409 p -= (int)WhitePawn;
10410 p = PieceToNumber((ChessSquare)p);
10411 if(p >= gameInfo.holdingsSize) p = 0;
10412 if(--board[p][BOARD_WIDTH-2] <= 0)
10413 board[p][BOARD_WIDTH-1] = EmptySquare;
10414 if((int)board[p][BOARD_WIDTH-2] < 0)
10415 board[p][BOARD_WIDTH-2] = 0;
10416 } else { /* black drop */
10417 p -= (int)BlackPawn;
10418 p = PieceToNumber((ChessSquare)p);
10419 if(p >= gameInfo.holdingsSize) p = 0;
10420 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10421 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10422 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10423 board[BOARD_HEIGHT-1-p][1] = 0;
10426 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10427 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10428 /* [HGM] holdings: Add to holdings, if holdings exist */
10429 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10430 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10431 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10433 p = (int) captured;
10434 if (p >= (int) BlackPawn) {
10435 p -= (int)BlackPawn;
10436 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10437 /* Restore shogi-promoted piece to its original first */
10438 captured = (ChessSquare) (DEMOTED(captured));
10441 p = PieceToNumber((ChessSquare)p);
10442 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10443 board[p][BOARD_WIDTH-2]++;
10444 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10446 p -= (int)WhitePawn;
10447 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10448 captured = (ChessSquare) (DEMOTED(captured));
10451 p = PieceToNumber((ChessSquare)p);
10452 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10453 board[BOARD_HEIGHT-1-p][1]++;
10454 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10457 } else if (gameInfo.variant == VariantAtomic) {
10458 if (captured != EmptySquare) {
10460 for (y = toY-1; y <= toY+1; y++) {
10461 for (x = toX-1; x <= toX+1; x++) {
10462 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10463 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10464 board[y][x] = EmptySquare;
10468 board[toY][toX] = EmptySquare;
10472 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10473 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10475 if(promoChar == '+') {
10476 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10477 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10478 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10479 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10480 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10481 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10482 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10483 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10484 board[toY][toX] = newPiece;
10486 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10487 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10488 // [HGM] superchess: take promotion piece out of holdings
10489 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10490 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10491 if(!--board[k][BOARD_WIDTH-2])
10492 board[k][BOARD_WIDTH-1] = EmptySquare;
10494 if(!--board[BOARD_HEIGHT-1-k][1])
10495 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10500 /* Updates forwardMostMove */
10502 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10504 int x = toX, y = toY;
10505 char *s = parseList[forwardMostMove];
10506 ChessSquare p = boards[forwardMostMove][toY][toX];
10507 // forwardMostMove++; // [HGM] bare: moved downstream
10509 if(kill2X >= 0) x = kill2X, y = kill2Y; else
10510 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10511 (void) CoordsToAlgebraic(boards[forwardMostMove],
10512 PosFlags(forwardMostMove),
10513 fromY, fromX, y, x, (killX < 0)*promoChar,
10515 if(kill2X >= 0 && kill2Y >= 0)
10516 sprintf(s + strlen(s), "x%c%d", killX + AAA, killY + ONE - '0'); // 2nd leg of 3-leg move is always capture
10517 if(killX >= 0 && killY >= 0)
10518 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY || toX== kill2X && toY == kill2Y ? '-' : 'x',
10519 toX + AAA, toY + ONE - '0', promoChar);
10521 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10522 int timeLeft; static int lastLoadFlag=0; int king, piece;
10523 piece = boards[forwardMostMove][fromY][fromX];
10524 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10525 if(gameInfo.variant == VariantKnightmate)
10526 king += (int) WhiteUnicorn - (int) WhiteKing;
10527 if(forwardMostMove == 0) {
10528 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10529 fprintf(serverMoves, "%s;", UserName());
10530 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10531 fprintf(serverMoves, "%s;", second.tidy);
10532 fprintf(serverMoves, "%s;", first.tidy);
10533 if(gameMode == MachinePlaysWhite)
10534 fprintf(serverMoves, "%s;", UserName());
10535 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10536 fprintf(serverMoves, "%s;", second.tidy);
10537 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10538 lastLoadFlag = loadFlag;
10540 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10541 // print castling suffix
10542 if( toY == fromY && piece == king ) {
10544 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10546 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10549 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10550 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10551 boards[forwardMostMove][toY][toX] == EmptySquare
10552 && fromX != toX && fromY != toY)
10553 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10554 // promotion suffix
10555 if(promoChar != NULLCHAR) {
10556 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10557 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10558 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10559 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10562 char buf[MOVE_LEN*2], *p; int len;
10563 fprintf(serverMoves, "/%d/%d",
10564 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10565 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10566 else timeLeft = blackTimeRemaining/1000;
10567 fprintf(serverMoves, "/%d", timeLeft);
10568 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10569 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10570 if(p = strchr(buf, '=')) *p = NULLCHAR;
10571 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10572 fprintf(serverMoves, "/%s", buf);
10574 fflush(serverMoves);
10577 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10578 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10581 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10582 if (commentList[forwardMostMove+1] != NULL) {
10583 free(commentList[forwardMostMove+1]);
10584 commentList[forwardMostMove+1] = NULL;
10586 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10587 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10588 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10589 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10590 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10591 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10592 adjustedClock = FALSE;
10593 gameInfo.result = GameUnfinished;
10594 if (gameInfo.resultDetails != NULL) {
10595 free(gameInfo.resultDetails);
10596 gameInfo.resultDetails = NULL;
10598 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10599 moveList[forwardMostMove - 1]);
10600 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10606 if(!IS_SHOGI(gameInfo.variant))
10607 strcat(parseList[forwardMostMove - 1], "+");
10611 strcat(parseList[forwardMostMove - 1], "#");
10616 /* Updates currentMove if not pausing */
10618 ShowMove (int fromX, int fromY, int toX, int toY)
10620 int instant = (gameMode == PlayFromGameFile) ?
10621 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10622 if(appData.noGUI) return;
10623 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10625 if (forwardMostMove == currentMove + 1) {
10626 AnimateMove(boards[forwardMostMove - 1],
10627 fromX, fromY, toX, toY);
10630 currentMove = forwardMostMove;
10633 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
10635 if (instant) return;
10637 DisplayMove(currentMove - 1);
10638 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10639 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10640 SetHighlights(fromX, fromY, toX, toY);
10643 DrawPosition(FALSE, boards[currentMove]);
10644 DisplayBothClocks();
10645 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10649 SendEgtPath (ChessProgramState *cps)
10650 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10651 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10653 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10656 char c, *q = name+1, *r, *s;
10658 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10659 while(*p && *p != ',') *q++ = *p++;
10660 *q++ = ':'; *q = 0;
10661 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10662 strcmp(name, ",nalimov:") == 0 ) {
10663 // take nalimov path from the menu-changeable option first, if it is defined
10664 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10665 SendToProgram(buf,cps); // send egtbpath command for nalimov
10667 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10668 (s = StrStr(appData.egtFormats, name)) != NULL) {
10669 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10670 s = r = StrStr(s, ":") + 1; // beginning of path info
10671 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10672 c = *r; *r = 0; // temporarily null-terminate path info
10673 *--q = 0; // strip of trailig ':' from name
10674 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10676 SendToProgram(buf,cps); // send egtbpath command for this format
10678 if(*p == ',') p++; // read away comma to position for next format name
10683 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10685 int width = 8, height = 8, holdings = 0; // most common sizes
10686 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10687 // correct the deviations default for each variant
10688 if( v == VariantXiangqi ) width = 9, height = 10;
10689 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10690 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10691 if( v == VariantCapablanca || v == VariantCapaRandom ||
10692 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10694 if( v == VariantCourier ) width = 12;
10695 if( v == VariantSuper ) holdings = 8;
10696 if( v == VariantGreat ) width = 10, holdings = 8;
10697 if( v == VariantSChess ) holdings = 7;
10698 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10699 if( v == VariantChuChess) width = 10, height = 10;
10700 if( v == VariantChu ) width = 12, height = 12;
10701 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10702 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10703 holdingsSize >= 0 && holdingsSize != holdings;
10706 char variantError[MSG_SIZ];
10709 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10710 { // returns error message (recognizable by upper-case) if engine does not support the variant
10711 char *p, *variant = VariantName(v);
10712 static char b[MSG_SIZ];
10713 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10714 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10715 holdingsSize, variant); // cook up sized variant name
10716 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10717 if(StrStr(list, b) == NULL) {
10718 // specific sized variant not known, check if general sizing allowed
10719 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10720 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10721 boardWidth, boardHeight, holdingsSize, engine);
10724 /* [HGM] here we really should compare with the maximum supported board size */
10726 } else snprintf(b, MSG_SIZ,"%s", variant);
10727 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10728 p = StrStr(list, b);
10729 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10731 // occurs not at all in list, or only as sub-string
10732 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10733 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10734 int l = strlen(variantError);
10736 while(p != list && p[-1] != ',') p--;
10737 q = strchr(p, ',');
10738 if(q) *q = NULLCHAR;
10739 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10748 InitChessProgram (ChessProgramState *cps, int setup)
10749 /* setup needed to setup FRC opening position */
10751 char buf[MSG_SIZ], *b;
10752 if (appData.noChessProgram) return;
10753 hintRequested = FALSE;
10754 bookRequested = FALSE;
10756 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10757 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10758 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10759 if(cps->memSize) { /* [HGM] memory */
10760 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10761 SendToProgram(buf, cps);
10763 SendEgtPath(cps); /* [HGM] EGT */
10764 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10765 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10766 SendToProgram(buf, cps);
10769 setboardSpoiledMachineBlack = FALSE;
10770 SendToProgram(cps->initString, cps);
10771 if (gameInfo.variant != VariantNormal &&
10772 gameInfo.variant != VariantLoadable
10773 /* [HGM] also send variant if board size non-standard */
10774 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10776 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10777 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10780 char c, *q = cps->variants, *p = strchr(q, ',');
10781 if(p) *p = NULLCHAR;
10782 v = StringToVariant(q);
10783 DisplayError(variantError, 0);
10784 if(v != VariantUnknown && cps == &first) {
10786 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10787 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10788 ASSIGN(appData.variant, q);
10789 Reset(TRUE, FALSE);
10795 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10796 SendToProgram(buf, cps);
10798 currentlyInitializedVariant = gameInfo.variant;
10800 /* [HGM] send opening position in FRC to first engine */
10802 SendToProgram("force\n", cps);
10804 /* engine is now in force mode! Set flag to wake it up after first move. */
10805 setboardSpoiledMachineBlack = 1;
10808 if (cps->sendICS) {
10809 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10810 SendToProgram(buf, cps);
10812 cps->maybeThinking = FALSE;
10813 cps->offeredDraw = 0;
10814 if (!appData.icsActive) {
10815 SendTimeControl(cps, movesPerSession, timeControl,
10816 timeIncrement, appData.searchDepth,
10819 if (appData.showThinking
10820 // [HGM] thinking: four options require thinking output to be sent
10821 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10823 SendToProgram("post\n", cps);
10825 SendToProgram("hard\n", cps);
10826 if (!appData.ponderNextMove) {
10827 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10828 it without being sure what state we are in first. "hard"
10829 is not a toggle, so that one is OK.
10831 SendToProgram("easy\n", cps);
10833 if (cps->usePing) {
10834 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10835 SendToProgram(buf, cps);
10837 cps->initDone = TRUE;
10838 ClearEngineOutputPane(cps == &second);
10843 ResendOptions (ChessProgramState *cps)
10844 { // send the stored value of the options
10847 Option *opt = cps->option;
10848 for(i=0; i<cps->nrOptions; i++, opt++) {
10849 switch(opt->type) {
10853 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10856 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10859 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10865 SendToProgram(buf, cps);
10870 StartChessProgram (ChessProgramState *cps)
10875 if (appData.noChessProgram) return;
10876 cps->initDone = FALSE;
10878 if (strcmp(cps->host, "localhost") == 0) {
10879 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10880 } else if (*appData.remoteShell == NULLCHAR) {
10881 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10883 if (*appData.remoteUser == NULLCHAR) {
10884 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10887 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10888 cps->host, appData.remoteUser, cps->program);
10890 err = StartChildProcess(buf, "", &cps->pr);
10894 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10895 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10896 if(cps != &first) return;
10897 appData.noChessProgram = TRUE;
10900 // DisplayFatalError(buf, err, 1);
10901 // cps->pr = NoProc;
10902 // cps->isr = NULL;
10906 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10907 if (cps->protocolVersion > 1) {
10908 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10909 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10910 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10911 cps->comboCnt = 0; // and values of combo boxes
10913 SendToProgram(buf, cps);
10914 if(cps->reload) ResendOptions(cps);
10916 SendToProgram("xboard\n", cps);
10921 TwoMachinesEventIfReady P((void))
10923 static int curMess = 0;
10924 if (first.lastPing != first.lastPong) {
10925 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10926 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10929 if (second.lastPing != second.lastPong) {
10930 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10931 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10934 DisplayMessage("", ""); curMess = 0;
10935 TwoMachinesEvent();
10939 MakeName (char *template)
10943 static char buf[MSG_SIZ];
10947 clock = time((time_t *)NULL);
10948 tm = localtime(&clock);
10950 while(*p++ = *template++) if(p[-1] == '%') {
10951 switch(*template++) {
10952 case 0: *p = 0; return buf;
10953 case 'Y': i = tm->tm_year+1900; break;
10954 case 'y': i = tm->tm_year-100; break;
10955 case 'M': i = tm->tm_mon+1; break;
10956 case 'd': i = tm->tm_mday; break;
10957 case 'h': i = tm->tm_hour; break;
10958 case 'm': i = tm->tm_min; break;
10959 case 's': i = tm->tm_sec; break;
10962 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10968 CountPlayers (char *p)
10971 while(p = strchr(p, '\n')) p++, n++; // count participants
10976 WriteTourneyFile (char *results, FILE *f)
10977 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10978 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10979 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10980 // create a file with tournament description
10981 fprintf(f, "-participants {%s}\n", appData.participants);
10982 fprintf(f, "-seedBase %d\n", appData.seedBase);
10983 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10984 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10985 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10986 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10987 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10988 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10989 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10990 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10991 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10992 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10993 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10994 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10995 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10996 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10997 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10998 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10999 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
11000 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
11001 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
11002 fprintf(f, "-smpCores %d\n", appData.smpCores);
11004 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
11006 fprintf(f, "-mps %d\n", appData.movesPerSession);
11007 fprintf(f, "-tc %s\n", appData.timeControl);
11008 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
11010 fprintf(f, "-results \"%s\"\n", results);
11015 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11018 Substitute (char *participants, int expunge)
11020 int i, changed, changes=0, nPlayers=0;
11021 char *p, *q, *r, buf[MSG_SIZ];
11022 if(participants == NULL) return;
11023 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11024 r = p = participants; q = appData.participants;
11025 while(*p && *p == *q) {
11026 if(*p == '\n') r = p+1, nPlayers++;
11029 if(*p) { // difference
11030 while(*p && *p++ != '\n');
11031 while(*q && *q++ != '\n');
11032 changed = nPlayers;
11033 changes = 1 + (strcmp(p, q) != 0);
11035 if(changes == 1) { // a single engine mnemonic was changed
11036 q = r; while(*q) nPlayers += (*q++ == '\n');
11037 p = buf; while(*r && (*p = *r++) != '\n') p++;
11039 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11040 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11041 if(mnemonic[i]) { // The substitute is valid
11043 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11044 flock(fileno(f), LOCK_EX);
11045 ParseArgsFromFile(f);
11046 fseek(f, 0, SEEK_SET);
11047 FREE(appData.participants); appData.participants = participants;
11048 if(expunge) { // erase results of replaced engine
11049 int len = strlen(appData.results), w, b, dummy;
11050 for(i=0; i<len; i++) {
11051 Pairing(i, nPlayers, &w, &b, &dummy);
11052 if((w == changed || b == changed) && appData.results[i] == '*') {
11053 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11058 for(i=0; i<len; i++) {
11059 Pairing(i, nPlayers, &w, &b, &dummy);
11060 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11063 WriteTourneyFile(appData.results, f);
11064 fclose(f); // release lock
11067 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11069 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11070 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11071 free(participants);
11076 CheckPlayers (char *participants)
11079 char buf[MSG_SIZ], *p;
11080 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11081 while(p = strchr(participants, '\n')) {
11083 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11085 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11087 DisplayError(buf, 0);
11091 participants = p + 1;
11097 CreateTourney (char *name)
11100 if(matchMode && strcmp(name, appData.tourneyFile)) {
11101 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11103 if(name[0] == NULLCHAR) {
11104 if(appData.participants[0])
11105 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11108 f = fopen(name, "r");
11109 if(f) { // file exists
11110 ASSIGN(appData.tourneyFile, name);
11111 ParseArgsFromFile(f); // parse it
11113 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11114 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11115 DisplayError(_("Not enough participants"), 0);
11118 if(CheckPlayers(appData.participants)) return 0;
11119 ASSIGN(appData.tourneyFile, name);
11120 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11121 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11124 appData.noChessProgram = FALSE;
11125 appData.clockMode = TRUE;
11131 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11133 char buf[MSG_SIZ], *p, *q;
11134 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11135 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11136 skip = !all && group[0]; // if group requested, we start in skip mode
11137 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11138 p = names; q = buf; header = 0;
11139 while(*p && *p != '\n') *q++ = *p++;
11141 if(*p == '\n') p++;
11142 if(buf[0] == '#') {
11143 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11144 depth++; // we must be entering a new group
11145 if(all) continue; // suppress printing group headers when complete list requested
11147 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11149 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11150 if(engineList[i]) free(engineList[i]);
11151 engineList[i] = strdup(buf);
11152 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11153 if(engineMnemonic[i]) free(engineMnemonic[i]);
11154 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11156 sscanf(q + 8, "%s", buf + strlen(buf));
11159 engineMnemonic[i] = strdup(buf);
11162 engineList[i] = engineMnemonic[i] = NULL;
11166 // following implemented as macro to avoid type limitations
11167 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11170 SwapEngines (int n)
11171 { // swap settings for first engine and other engine (so far only some selected options)
11176 SWAP(chessProgram, p)
11178 SWAP(hasOwnBookUCI, h)
11179 SWAP(protocolVersion, h)
11181 SWAP(scoreIsAbsolute, h)
11186 SWAP(engOptions, p)
11187 SWAP(engInitString, p)
11188 SWAP(computerString, p)
11190 SWAP(fenOverride, p)
11192 SWAP(accumulateTC, h)
11199 GetEngineLine (char *s, int n)
11203 extern char *icsNames;
11204 if(!s || !*s) return 0;
11205 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11206 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11207 if(!mnemonic[i]) return 0;
11208 if(n == 11) return 1; // just testing if there was a match
11209 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11210 if(n == 1) SwapEngines(n);
11211 ParseArgsFromString(buf);
11212 if(n == 1) SwapEngines(n);
11213 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11214 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11215 ParseArgsFromString(buf);
11221 SetPlayer (int player, char *p)
11222 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11224 char buf[MSG_SIZ], *engineName;
11225 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11226 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11227 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11229 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11230 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11231 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11232 ParseArgsFromString(buf);
11233 } else { // no engine with this nickname is installed!
11234 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11235 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11236 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11238 DisplayError(buf, 0);
11245 char *recentEngines;
11248 RecentEngineEvent (int nr)
11251 // SwapEngines(1); // bump first to second
11252 // ReplaceEngine(&second, 1); // and load it there
11253 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11254 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11255 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11256 ReplaceEngine(&first, 0);
11257 FloatToFront(&appData.recentEngineList, command[n]);
11262 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11263 { // determine players from game number
11264 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11266 if(appData.tourneyType == 0) {
11267 roundsPerCycle = (nPlayers - 1) | 1;
11268 pairingsPerRound = nPlayers / 2;
11269 } else if(appData.tourneyType > 0) {
11270 roundsPerCycle = nPlayers - appData.tourneyType;
11271 pairingsPerRound = appData.tourneyType;
11273 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11274 gamesPerCycle = gamesPerRound * roundsPerCycle;
11275 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11276 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11277 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11278 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11279 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11280 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11282 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11283 if(appData.roundSync) *syncInterval = gamesPerRound;
11285 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11287 if(appData.tourneyType == 0) {
11288 if(curPairing == (nPlayers-1)/2 ) {
11289 *whitePlayer = curRound;
11290 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11292 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11293 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11294 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11295 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11297 } else if(appData.tourneyType > 1) {
11298 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11299 *whitePlayer = curRound + appData.tourneyType;
11300 } else if(appData.tourneyType > 0) {
11301 *whitePlayer = curPairing;
11302 *blackPlayer = curRound + appData.tourneyType;
11305 // take care of white/black alternation per round.
11306 // For cycles and games this is already taken care of by default, derived from matchGame!
11307 return curRound & 1;
11311 NextTourneyGame (int nr, int *swapColors)
11312 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11314 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11316 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11317 tf = fopen(appData.tourneyFile, "r");
11318 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11319 ParseArgsFromFile(tf); fclose(tf);
11320 InitTimeControls(); // TC might be altered from tourney file
11322 nPlayers = CountPlayers(appData.participants); // count participants
11323 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11324 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11327 p = q = appData.results;
11328 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11329 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11330 DisplayMessage(_("Waiting for other game(s)"),"");
11331 waitingForGame = TRUE;
11332 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11335 waitingForGame = FALSE;
11338 if(appData.tourneyType < 0) {
11339 if(nr>=0 && !pairingReceived) {
11341 if(pairing.pr == NoProc) {
11342 if(!appData.pairingEngine[0]) {
11343 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11346 StartChessProgram(&pairing); // starts the pairing engine
11348 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11349 SendToProgram(buf, &pairing);
11350 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11351 SendToProgram(buf, &pairing);
11352 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11354 pairingReceived = 0; // ... so we continue here
11356 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11357 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11358 matchGame = 1; roundNr = nr / syncInterval + 1;
11361 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11363 // redefine engines, engine dir, etc.
11364 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11365 if(first.pr == NoProc) {
11366 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11367 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11369 if(second.pr == NoProc) {
11371 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11372 SwapEngines(1); // and make that valid for second engine by swapping
11373 InitEngine(&second, 1);
11375 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11376 UpdateLogos(FALSE); // leave display to ModeHiglight()
11382 { // performs game initialization that does not invoke engines, and then tries to start the game
11383 int res, firstWhite, swapColors = 0;
11384 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11385 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
11387 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11388 if(strcmp(buf, currentDebugFile)) { // name has changed
11389 FILE *f = fopen(buf, "w");
11390 if(f) { // if opening the new file failed, just keep using the old one
11391 ASSIGN(currentDebugFile, buf);
11395 if(appData.serverFileName) {
11396 if(serverFP) fclose(serverFP);
11397 serverFP = fopen(appData.serverFileName, "w");
11398 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11399 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11403 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11404 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11405 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11406 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11407 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11408 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11409 Reset(FALSE, first.pr != NoProc);
11410 res = LoadGameOrPosition(matchGame); // setup game
11411 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11412 if(!res) return; // abort when bad game/pos file
11413 TwoMachinesEvent();
11417 UserAdjudicationEvent (int result)
11419 ChessMove gameResult = GameIsDrawn;
11422 gameResult = WhiteWins;
11424 else if( result < 0 ) {
11425 gameResult = BlackWins;
11428 if( gameMode == TwoMachinesPlay ) {
11429 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11434 // [HGM] save: calculate checksum of game to make games easily identifiable
11436 StringCheckSum (char *s)
11439 if(s==NULL) return 0;
11440 while(*s) i = i*259 + *s++;
11448 for(i=backwardMostMove; i<forwardMostMove; i++) {
11449 sum += pvInfoList[i].depth;
11450 sum += StringCheckSum(parseList[i]);
11451 sum += StringCheckSum(commentList[i]);
11454 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11455 return sum + StringCheckSum(commentList[i]);
11456 } // end of save patch
11459 GameEnds (ChessMove result, char *resultDetails, int whosays)
11461 GameMode nextGameMode;
11463 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11465 if(endingGame) return; /* [HGM] crash: forbid recursion */
11467 if(twoBoards) { // [HGM] dual: switch back to one board
11468 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11469 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11471 if (appData.debugMode) {
11472 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11473 result, resultDetails ? resultDetails : "(null)", whosays);
11476 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11478 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11480 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11481 /* If we are playing on ICS, the server decides when the
11482 game is over, but the engine can offer to draw, claim
11486 if (appData.zippyPlay && first.initDone) {
11487 if (result == GameIsDrawn) {
11488 /* In case draw still needs to be claimed */
11489 SendToICS(ics_prefix);
11490 SendToICS("draw\n");
11491 } else if (StrCaseStr(resultDetails, "resign")) {
11492 SendToICS(ics_prefix);
11493 SendToICS("resign\n");
11497 endingGame = 0; /* [HGM] crash */
11501 /* If we're loading the game from a file, stop */
11502 if (whosays == GE_FILE) {
11503 (void) StopLoadGameTimer();
11507 /* Cancel draw offers */
11508 first.offeredDraw = second.offeredDraw = 0;
11510 /* If this is an ICS game, only ICS can really say it's done;
11511 if not, anyone can. */
11512 isIcsGame = (gameMode == IcsPlayingWhite ||
11513 gameMode == IcsPlayingBlack ||
11514 gameMode == IcsObserving ||
11515 gameMode == IcsExamining);
11517 if (!isIcsGame || whosays == GE_ICS) {
11518 /* OK -- not an ICS game, or ICS said it was done */
11520 if (!isIcsGame && !appData.noChessProgram)
11521 SetUserThinkingEnables();
11523 /* [HGM] if a machine claims the game end we verify this claim */
11524 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11525 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11527 ChessMove trueResult = (ChessMove) -1;
11529 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11530 first.twoMachinesColor[0] :
11531 second.twoMachinesColor[0] ;
11533 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11534 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11535 /* [HGM] verify: engine mate claims accepted if they were flagged */
11536 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11538 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11539 /* [HGM] verify: engine mate claims accepted if they were flagged */
11540 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11542 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11543 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11546 // now verify win claims, but not in drop games, as we don't understand those yet
11547 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11548 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11549 (result == WhiteWins && claimer == 'w' ||
11550 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11551 if (appData.debugMode) {
11552 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11553 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11555 if(result != trueResult) {
11556 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11557 result = claimer == 'w' ? BlackWins : WhiteWins;
11558 resultDetails = buf;
11561 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11562 && (forwardMostMove <= backwardMostMove ||
11563 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11564 (claimer=='b')==(forwardMostMove&1))
11566 /* [HGM] verify: draws that were not flagged are false claims */
11567 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11568 result = claimer == 'w' ? BlackWins : WhiteWins;
11569 resultDetails = buf;
11571 /* (Claiming a loss is accepted no questions asked!) */
11572 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11573 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11574 result = GameUnfinished;
11575 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11577 /* [HGM] bare: don't allow bare King to win */
11578 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11579 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11580 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11581 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11582 && result != GameIsDrawn)
11583 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11584 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11585 int p = (signed char)boards[forwardMostMove][i][j] - color;
11586 if(p >= 0 && p <= (int)WhiteKing) k++;
11587 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11589 if (appData.debugMode) {
11590 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11591 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11593 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11594 result = GameIsDrawn;
11595 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11596 resultDetails = buf;
11602 if(serverMoves != NULL && !loadFlag) { char c = '=';
11603 if(result==WhiteWins) c = '+';
11604 if(result==BlackWins) c = '-';
11605 if(resultDetails != NULL)
11606 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11608 if (resultDetails != NULL) {
11609 gameInfo.result = result;
11610 gameInfo.resultDetails = StrSave(resultDetails);
11612 /* display last move only if game was not loaded from file */
11613 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11614 DisplayMove(currentMove - 1);
11616 if (forwardMostMove != 0) {
11617 if (gameMode != PlayFromGameFile && gameMode != EditGame
11618 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11620 if (*appData.saveGameFile != NULLCHAR) {
11621 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11622 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11624 SaveGameToFile(appData.saveGameFile, TRUE);
11625 } else if (appData.autoSaveGames) {
11626 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11628 if (*appData.savePositionFile != NULLCHAR) {
11629 SavePositionToFile(appData.savePositionFile);
11631 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11635 /* Tell program how game ended in case it is learning */
11636 /* [HGM] Moved this to after saving the PGN, just in case */
11637 /* engine died and we got here through time loss. In that */
11638 /* case we will get a fatal error writing the pipe, which */
11639 /* would otherwise lose us the PGN. */
11640 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11641 /* output during GameEnds should never be fatal anymore */
11642 if (gameMode == MachinePlaysWhite ||
11643 gameMode == MachinePlaysBlack ||
11644 gameMode == TwoMachinesPlay ||
11645 gameMode == IcsPlayingWhite ||
11646 gameMode == IcsPlayingBlack ||
11647 gameMode == BeginningOfGame) {
11649 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11651 if (first.pr != NoProc) {
11652 SendToProgram(buf, &first);
11654 if (second.pr != NoProc &&
11655 gameMode == TwoMachinesPlay) {
11656 SendToProgram(buf, &second);
11661 if (appData.icsActive) {
11662 if (appData.quietPlay &&
11663 (gameMode == IcsPlayingWhite ||
11664 gameMode == IcsPlayingBlack)) {
11665 SendToICS(ics_prefix);
11666 SendToICS("set shout 1\n");
11668 nextGameMode = IcsIdle;
11669 ics_user_moved = FALSE;
11670 /* clean up premove. It's ugly when the game has ended and the
11671 * premove highlights are still on the board.
11674 gotPremove = FALSE;
11675 ClearPremoveHighlights();
11676 DrawPosition(FALSE, boards[currentMove]);
11678 if (whosays == GE_ICS) {
11681 if (gameMode == IcsPlayingWhite)
11683 else if(gameMode == IcsPlayingBlack)
11684 PlayIcsLossSound();
11687 if (gameMode == IcsPlayingBlack)
11689 else if(gameMode == IcsPlayingWhite)
11690 PlayIcsLossSound();
11693 PlayIcsDrawSound();
11696 PlayIcsUnfinishedSound();
11699 if(appData.quitNext) { ExitEvent(0); return; }
11700 } else if (gameMode == EditGame ||
11701 gameMode == PlayFromGameFile ||
11702 gameMode == AnalyzeMode ||
11703 gameMode == AnalyzeFile) {
11704 nextGameMode = gameMode;
11706 nextGameMode = EndOfGame;
11711 nextGameMode = gameMode;
11714 if (appData.noChessProgram) {
11715 gameMode = nextGameMode;
11717 endingGame = 0; /* [HGM] crash */
11722 /* Put first chess program into idle state */
11723 if (first.pr != NoProc &&
11724 (gameMode == MachinePlaysWhite ||
11725 gameMode == MachinePlaysBlack ||
11726 gameMode == TwoMachinesPlay ||
11727 gameMode == IcsPlayingWhite ||
11728 gameMode == IcsPlayingBlack ||
11729 gameMode == BeginningOfGame)) {
11730 SendToProgram("force\n", &first);
11731 if (first.usePing) {
11733 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11734 SendToProgram(buf, &first);
11737 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11738 /* Kill off first chess program */
11739 if (first.isr != NULL)
11740 RemoveInputSource(first.isr);
11743 if (first.pr != NoProc) {
11745 DoSleep( appData.delayBeforeQuit );
11746 SendToProgram("quit\n", &first);
11747 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11748 first.reload = TRUE;
11752 if (second.reuse) {
11753 /* Put second chess program into idle state */
11754 if (second.pr != NoProc &&
11755 gameMode == TwoMachinesPlay) {
11756 SendToProgram("force\n", &second);
11757 if (second.usePing) {
11759 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11760 SendToProgram(buf, &second);
11763 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11764 /* Kill off second chess program */
11765 if (second.isr != NULL)
11766 RemoveInputSource(second.isr);
11769 if (second.pr != NoProc) {
11770 DoSleep( appData.delayBeforeQuit );
11771 SendToProgram("quit\n", &second);
11772 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11773 second.reload = TRUE;
11775 second.pr = NoProc;
11778 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11779 char resChar = '=';
11783 if (first.twoMachinesColor[0] == 'w') {
11786 second.matchWins++;
11791 if (first.twoMachinesColor[0] == 'b') {
11794 second.matchWins++;
11797 case GameUnfinished:
11803 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11804 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11805 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11806 ReserveGame(nextGame, resChar); // sets nextGame
11807 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11808 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11809 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11811 if (nextGame <= appData.matchGames && !abortMatch) {
11812 gameMode = nextGameMode;
11813 matchGame = nextGame; // this will be overruled in tourney mode!
11814 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11815 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11816 endingGame = 0; /* [HGM] crash */
11819 gameMode = nextGameMode;
11820 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11821 first.tidy, second.tidy,
11822 first.matchWins, second.matchWins,
11823 appData.matchGames - (first.matchWins + second.matchWins));
11824 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11825 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11826 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11827 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11828 first.twoMachinesColor = "black\n";
11829 second.twoMachinesColor = "white\n";
11831 first.twoMachinesColor = "white\n";
11832 second.twoMachinesColor = "black\n";
11836 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11837 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11839 gameMode = nextGameMode;
11841 endingGame = 0; /* [HGM] crash */
11842 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11843 if(matchMode == TRUE) { // match through command line: exit with or without popup
11845 ToNrEvent(forwardMostMove);
11846 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11848 } else DisplayFatalError(buf, 0, 0);
11849 } else { // match through menu; just stop, with or without popup
11850 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11853 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11854 } else DisplayNote(buf);
11856 if(ranking) free(ranking);
11860 /* Assumes program was just initialized (initString sent).
11861 Leaves program in force mode. */
11863 FeedMovesToProgram (ChessProgramState *cps, int upto)
11867 if (appData.debugMode)
11868 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11869 startedFromSetupPosition ? "position and " : "",
11870 backwardMostMove, upto, cps->which);
11871 if(currentlyInitializedVariant != gameInfo.variant) {
11873 // [HGM] variantswitch: make engine aware of new variant
11874 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11875 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11876 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11877 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11878 SendToProgram(buf, cps);
11879 currentlyInitializedVariant = gameInfo.variant;
11881 SendToProgram("force\n", cps);
11882 if (startedFromSetupPosition) {
11883 SendBoard(cps, backwardMostMove);
11884 if (appData.debugMode) {
11885 fprintf(debugFP, "feedMoves\n");
11888 for (i = backwardMostMove; i < upto; i++) {
11889 SendMoveToProgram(i, cps);
11895 ResurrectChessProgram ()
11897 /* The chess program may have exited.
11898 If so, restart it and feed it all the moves made so far. */
11899 static int doInit = 0;
11901 if (appData.noChessProgram) return 1;
11903 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11904 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11905 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11906 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11908 if (first.pr != NoProc) return 1;
11909 StartChessProgram(&first);
11911 InitChessProgram(&first, FALSE);
11912 FeedMovesToProgram(&first, currentMove);
11914 if (!first.sendTime) {
11915 /* can't tell gnuchess what its clock should read,
11916 so we bow to its notion. */
11918 timeRemaining[0][currentMove] = whiteTimeRemaining;
11919 timeRemaining[1][currentMove] = blackTimeRemaining;
11922 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11923 appData.icsEngineAnalyze) && first.analysisSupport) {
11924 SendToProgram("analyze\n", &first);
11925 first.analyzing = TRUE;
11931 * Button procedures
11934 Reset (int redraw, int init)
11938 if (appData.debugMode) {
11939 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11940 redraw, init, gameMode);
11942 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11943 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11944 CleanupTail(); // [HGM] vari: delete any stored variations
11945 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11946 pausing = pauseExamInvalid = FALSE;
11947 startedFromSetupPosition = blackPlaysFirst = FALSE;
11949 whiteFlag = blackFlag = FALSE;
11950 userOfferedDraw = FALSE;
11951 hintRequested = bookRequested = FALSE;
11952 first.maybeThinking = FALSE;
11953 second.maybeThinking = FALSE;
11954 first.bookSuspend = FALSE; // [HGM] book
11955 second.bookSuspend = FALSE;
11956 thinkOutput[0] = NULLCHAR;
11957 lastHint[0] = NULLCHAR;
11958 ClearGameInfo(&gameInfo);
11959 gameInfo.variant = StringToVariant(appData.variant);
11960 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11961 ics_user_moved = ics_clock_paused = FALSE;
11962 ics_getting_history = H_FALSE;
11964 white_holding[0] = black_holding[0] = NULLCHAR;
11965 ClearProgramStats();
11966 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11970 flipView = appData.flipView;
11971 ClearPremoveHighlights();
11972 gotPremove = FALSE;
11973 alarmSounded = FALSE;
11974 killX = killY = kill2X = kill2Y = -1; // [HGM] lion
11976 GameEnds(EndOfFile, NULL, GE_PLAYER);
11977 if(appData.serverMovesName != NULL) {
11978 /* [HGM] prepare to make moves file for broadcasting */
11979 clock_t t = clock();
11980 if(serverMoves != NULL) fclose(serverMoves);
11981 serverMoves = fopen(appData.serverMovesName, "r");
11982 if(serverMoves != NULL) {
11983 fclose(serverMoves);
11984 /* delay 15 sec before overwriting, so all clients can see end */
11985 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11987 serverMoves = fopen(appData.serverMovesName, "w");
11991 gameMode = BeginningOfGame;
11993 if(appData.icsActive) gameInfo.variant = VariantNormal;
11994 currentMove = forwardMostMove = backwardMostMove = 0;
11995 MarkTargetSquares(1);
11996 InitPosition(redraw);
11997 for (i = 0; i < MAX_MOVES; i++) {
11998 if (commentList[i] != NULL) {
11999 free(commentList[i]);
12000 commentList[i] = NULL;
12004 timeRemaining[0][0] = whiteTimeRemaining;
12005 timeRemaining[1][0] = blackTimeRemaining;
12007 if (first.pr == NoProc) {
12008 StartChessProgram(&first);
12011 InitChessProgram(&first, startedFromSetupPosition);
12014 DisplayMessage("", "");
12015 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12016 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12017 ClearMap(); // [HGM] exclude: invalidate map
12021 AutoPlayGameLoop ()
12024 if (!AutoPlayOneMove())
12026 if (matchMode || appData.timeDelay == 0)
12028 if (appData.timeDelay < 0)
12030 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12038 ReloadGame(1); // next game
12044 int fromX, fromY, toX, toY;
12046 if (appData.debugMode) {
12047 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12050 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12053 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12054 pvInfoList[currentMove].depth = programStats.depth;
12055 pvInfoList[currentMove].score = programStats.score;
12056 pvInfoList[currentMove].time = 0;
12057 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12058 else { // append analysis of final position as comment
12060 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12061 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12063 programStats.depth = 0;
12066 if (currentMove >= forwardMostMove) {
12067 if(gameMode == AnalyzeFile) {
12068 if(appData.loadGameIndex == -1) {
12069 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12070 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12072 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12075 // gameMode = EndOfGame;
12076 // ModeHighlight();
12078 /* [AS] Clear current move marker at the end of a game */
12079 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12084 toX = moveList[currentMove][2] - AAA;
12085 toY = moveList[currentMove][3] - ONE;
12087 if (moveList[currentMove][1] == '@') {
12088 if (appData.highlightLastMove) {
12089 SetHighlights(-1, -1, toX, toY);
12092 int viaX = moveList[currentMove][5] - AAA;
12093 int viaY = moveList[currentMove][6] - ONE;
12094 fromX = moveList[currentMove][0] - AAA;
12095 fromY = moveList[currentMove][1] - ONE;
12097 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12099 if(moveList[currentMove][4] == ';') { // multi-leg
12100 ChessSquare piece = boards[currentMove][viaY][viaX];
12101 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12102 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12103 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12104 boards[currentMove][viaY][viaX] = piece;
12106 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12108 if (appData.highlightLastMove) {
12109 SetHighlights(fromX, fromY, toX, toY);
12112 DisplayMove(currentMove);
12113 SendMoveToProgram(currentMove++, &first);
12114 DisplayBothClocks();
12115 DrawPosition(FALSE, boards[currentMove]);
12116 // [HGM] PV info: always display, routine tests if empty
12117 DisplayComment(currentMove - 1, commentList[currentMove]);
12123 LoadGameOneMove (ChessMove readAhead)
12125 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12126 char promoChar = NULLCHAR;
12127 ChessMove moveType;
12128 char move[MSG_SIZ];
12131 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12132 gameMode != AnalyzeMode && gameMode != Training) {
12137 yyboardindex = forwardMostMove;
12138 if (readAhead != EndOfFile) {
12139 moveType = readAhead;
12141 if (gameFileFP == NULL)
12143 moveType = (ChessMove) Myylex();
12147 switch (moveType) {
12149 if (appData.debugMode)
12150 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12153 /* append the comment but don't display it */
12154 AppendComment(currentMove, p, FALSE);
12157 case WhiteCapturesEnPassant:
12158 case BlackCapturesEnPassant:
12159 case WhitePromotion:
12160 case BlackPromotion:
12161 case WhiteNonPromotion:
12162 case BlackNonPromotion:
12165 case WhiteKingSideCastle:
12166 case WhiteQueenSideCastle:
12167 case BlackKingSideCastle:
12168 case BlackQueenSideCastle:
12169 case WhiteKingSideCastleWild:
12170 case WhiteQueenSideCastleWild:
12171 case BlackKingSideCastleWild:
12172 case BlackQueenSideCastleWild:
12174 case WhiteHSideCastleFR:
12175 case WhiteASideCastleFR:
12176 case BlackHSideCastleFR:
12177 case BlackASideCastleFR:
12179 if (appData.debugMode)
12180 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12181 fromX = currentMoveString[0] - AAA;
12182 fromY = currentMoveString[1] - ONE;
12183 toX = currentMoveString[2] - AAA;
12184 toY = currentMoveString[3] - ONE;
12185 promoChar = currentMoveString[4];
12186 if(promoChar == ';') promoChar = currentMoveString[7];
12191 if (appData.debugMode)
12192 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12193 fromX = moveType == WhiteDrop ?
12194 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12195 (int) CharToPiece(ToLower(currentMoveString[0]));
12197 toX = currentMoveString[2] - AAA;
12198 toY = currentMoveString[3] - ONE;
12204 case GameUnfinished:
12205 if (appData.debugMode)
12206 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12207 p = strchr(yy_text, '{');
12208 if (p == NULL) p = strchr(yy_text, '(');
12211 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12213 q = strchr(p, *p == '{' ? '}' : ')');
12214 if (q != NULL) *q = NULLCHAR;
12217 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12218 GameEnds(moveType, p, GE_FILE);
12220 if (cmailMsgLoaded) {
12222 flipView = WhiteOnMove(currentMove);
12223 if (moveType == GameUnfinished) flipView = !flipView;
12224 if (appData.debugMode)
12225 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12230 if (appData.debugMode)
12231 fprintf(debugFP, "Parser hit end of file\n");
12232 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12238 if (WhiteOnMove(currentMove)) {
12239 GameEnds(BlackWins, "Black mates", GE_FILE);
12241 GameEnds(WhiteWins, "White mates", GE_FILE);
12245 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12251 case MoveNumberOne:
12252 if (lastLoadGameStart == GNUChessGame) {
12253 /* GNUChessGames have numbers, but they aren't move numbers */
12254 if (appData.debugMode)
12255 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12256 yy_text, (int) moveType);
12257 return LoadGameOneMove(EndOfFile); /* tail recursion */
12259 /* else fall thru */
12264 /* Reached start of next game in file */
12265 if (appData.debugMode)
12266 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12267 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12273 if (WhiteOnMove(currentMove)) {
12274 GameEnds(BlackWins, "Black mates", GE_FILE);
12276 GameEnds(WhiteWins, "White mates", GE_FILE);
12280 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12286 case PositionDiagram: /* should not happen; ignore */
12287 case ElapsedTime: /* ignore */
12288 case NAG: /* ignore */
12289 if (appData.debugMode)
12290 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12291 yy_text, (int) moveType);
12292 return LoadGameOneMove(EndOfFile); /* tail recursion */
12295 if (appData.testLegality) {
12296 if (appData.debugMode)
12297 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12298 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12299 (forwardMostMove / 2) + 1,
12300 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12301 DisplayError(move, 0);
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12306 yy_text, currentMoveString);
12307 if(currentMoveString[1] == '@') {
12308 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12311 fromX = currentMoveString[0] - AAA;
12312 fromY = currentMoveString[1] - ONE;
12314 toX = currentMoveString[2] - AAA;
12315 toY = currentMoveString[3] - ONE;
12316 promoChar = currentMoveString[4];
12320 case AmbiguousMove:
12321 if (appData.debugMode)
12322 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12323 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12324 (forwardMostMove / 2) + 1,
12325 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12326 DisplayError(move, 0);
12331 case ImpossibleMove:
12332 if (appData.debugMode)
12333 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12334 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12335 (forwardMostMove / 2) + 1,
12336 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12337 DisplayError(move, 0);
12343 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12344 DrawPosition(FALSE, boards[currentMove]);
12345 DisplayBothClocks();
12346 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12347 DisplayComment(currentMove - 1, commentList[currentMove]);
12349 (void) StopLoadGameTimer();
12351 cmailOldMove = forwardMostMove;
12354 /* currentMoveString is set as a side-effect of yylex */
12356 thinkOutput[0] = NULLCHAR;
12357 MakeMove(fromX, fromY, toX, toY, promoChar);
12358 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: used up
12359 currentMove = forwardMostMove;
12364 /* Load the nth game from the given file */
12366 LoadGameFromFile (char *filename, int n, char *title, int useList)
12371 if (strcmp(filename, "-") == 0) {
12375 f = fopen(filename, "rb");
12377 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12378 DisplayError(buf, errno);
12382 if (fseek(f, 0, 0) == -1) {
12383 /* f is not seekable; probably a pipe */
12386 if (useList && n == 0) {
12387 int error = GameListBuild(f);
12389 DisplayError(_("Cannot build game list"), error);
12390 } else if (!ListEmpty(&gameList) &&
12391 ((ListGame *) gameList.tailPred)->number > 1) {
12392 GameListPopUp(f, title);
12399 return LoadGame(f, n, title, FALSE);
12404 MakeRegisteredMove ()
12406 int fromX, fromY, toX, toY;
12408 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12409 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12412 if (appData.debugMode)
12413 fprintf(debugFP, "Restoring %s for game %d\n",
12414 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12416 thinkOutput[0] = NULLCHAR;
12417 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12418 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12419 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12420 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12421 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12422 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12423 MakeMove(fromX, fromY, toX, toY, promoChar);
12424 ShowMove(fromX, fromY, toX, toY);
12426 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12433 if (WhiteOnMove(currentMove)) {
12434 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12436 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12441 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12448 if (WhiteOnMove(currentMove)) {
12449 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12451 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12456 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12467 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12469 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12473 if (gameNumber > nCmailGames) {
12474 DisplayError(_("No more games in this message"), 0);
12477 if (f == lastLoadGameFP) {
12478 int offset = gameNumber - lastLoadGameNumber;
12480 cmailMsg[0] = NULLCHAR;
12481 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12482 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12483 nCmailMovesRegistered--;
12485 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12486 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12487 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12490 if (! RegisterMove()) return FALSE;
12494 retVal = LoadGame(f, gameNumber, title, useList);
12496 /* Make move registered during previous look at this game, if any */
12497 MakeRegisteredMove();
12499 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12500 commentList[currentMove]
12501 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12502 DisplayComment(currentMove - 1, commentList[currentMove]);
12508 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12510 ReloadGame (int offset)
12512 int gameNumber = lastLoadGameNumber + offset;
12513 if (lastLoadGameFP == NULL) {
12514 DisplayError(_("No game has been loaded yet"), 0);
12517 if (gameNumber <= 0) {
12518 DisplayError(_("Can't back up any further"), 0);
12521 if (cmailMsgLoaded) {
12522 return CmailLoadGame(lastLoadGameFP, gameNumber,
12523 lastLoadGameTitle, lastLoadGameUseList);
12525 return LoadGame(lastLoadGameFP, gameNumber,
12526 lastLoadGameTitle, lastLoadGameUseList);
12530 int keys[EmptySquare+1];
12533 PositionMatches (Board b1, Board b2)
12536 switch(appData.searchMode) {
12537 case 1: return CompareWithRights(b1, b2);
12539 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12540 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12544 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12545 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12546 sum += keys[b1[r][f]] - keys[b2[r][f]];
12550 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12551 sum += keys[b1[r][f]] - keys[b2[r][f]];
12563 int pieceList[256], quickBoard[256];
12564 ChessSquare pieceType[256] = { EmptySquare };
12565 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12566 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12567 int soughtTotal, turn;
12568 Boolean epOK, flipSearch;
12571 unsigned char piece, to;
12574 #define DSIZE (250000)
12576 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12577 Move *moveDatabase = initialSpace;
12578 unsigned int movePtr, dataSize = DSIZE;
12581 MakePieceList (Board board, int *counts)
12583 int r, f, n=Q_PROMO, total=0;
12584 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12585 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12586 int sq = f + (r<<4);
12587 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12588 quickBoard[sq] = ++n;
12590 pieceType[n] = board[r][f];
12591 counts[board[r][f]]++;
12592 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12593 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12597 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12602 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12604 int sq = fromX + (fromY<<4);
12605 int piece = quickBoard[sq], rook;
12606 quickBoard[sq] = 0;
12607 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12608 if(piece == pieceList[1] && fromY == toY) {
12609 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12610 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12611 moveDatabase[movePtr++].piece = Q_WCASTL;
12612 quickBoard[sq] = piece;
12613 piece = quickBoard[from]; quickBoard[from] = 0;
12614 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12615 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12616 quickBoard[sq] = 0; // remove Rook
12617 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12618 moveDatabase[movePtr++].piece = Q_WCASTL;
12619 quickBoard[sq] = pieceList[1]; // put King
12621 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12624 if(piece == pieceList[2] && fromY == toY) {
12625 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12626 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12627 moveDatabase[movePtr++].piece = Q_BCASTL;
12628 quickBoard[sq] = piece;
12629 piece = quickBoard[from]; quickBoard[from] = 0;
12630 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12631 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12632 quickBoard[sq] = 0; // remove Rook
12633 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12634 moveDatabase[movePtr++].piece = Q_BCASTL;
12635 quickBoard[sq] = pieceList[2]; // put King
12637 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12640 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12641 quickBoard[(fromY<<4)+toX] = 0;
12642 moveDatabase[movePtr].piece = Q_EP;
12643 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12644 moveDatabase[movePtr].to = sq;
12646 if(promoPiece != pieceType[piece]) {
12647 moveDatabase[movePtr++].piece = Q_PROMO;
12648 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12650 moveDatabase[movePtr].piece = piece;
12651 quickBoard[sq] = piece;
12656 PackGame (Board board)
12658 Move *newSpace = NULL;
12659 moveDatabase[movePtr].piece = 0; // terminate previous game
12660 if(movePtr > dataSize) {
12661 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12662 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12663 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12666 Move *p = moveDatabase, *q = newSpace;
12667 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12668 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12669 moveDatabase = newSpace;
12670 } else { // calloc failed, we must be out of memory. Too bad...
12671 dataSize = 0; // prevent calloc events for all subsequent games
12672 return 0; // and signal this one isn't cached
12676 MakePieceList(board, counts);
12681 QuickCompare (Board board, int *minCounts, int *maxCounts)
12682 { // compare according to search mode
12684 switch(appData.searchMode)
12686 case 1: // exact position match
12687 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12688 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12689 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12692 case 2: // can have extra material on empty squares
12693 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12694 if(board[r][f] == EmptySquare) continue;
12695 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12698 case 3: // material with exact Pawn structure
12699 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12700 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12701 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12702 } // fall through to material comparison
12703 case 4: // exact material
12704 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12706 case 6: // material range with given imbalance
12707 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12708 // fall through to range comparison
12709 case 5: // material range
12710 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12716 QuickScan (Board board, Move *move)
12717 { // reconstruct game,and compare all positions in it
12718 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12720 int piece = move->piece;
12721 int to = move->to, from = pieceList[piece];
12722 if(found < 0) { // if already found just scan to game end for final piece count
12723 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12724 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12725 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12726 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12728 static int lastCounts[EmptySquare+1];
12730 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12731 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12732 } else stretch = 0;
12733 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12734 if(found >= 0 && !appData.minPieces) return found;
12736 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12737 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12738 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12739 piece = (++move)->piece;
12740 from = pieceList[piece];
12741 counts[pieceType[piece]]--;
12742 pieceType[piece] = (ChessSquare) move->to;
12743 counts[move->to]++;
12744 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12745 counts[pieceType[quickBoard[to]]]--;
12746 quickBoard[to] = 0; total--;
12749 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12750 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12751 from = pieceList[piece]; // so this must be King
12752 quickBoard[from] = 0;
12753 pieceList[piece] = to;
12754 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12755 quickBoard[from] = 0; // rook
12756 quickBoard[to] = piece;
12757 to = move->to; piece = move->piece;
12761 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12762 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12763 quickBoard[from] = 0;
12765 quickBoard[to] = piece;
12766 pieceList[piece] = to;
12776 flipSearch = FALSE;
12777 CopyBoard(soughtBoard, boards[currentMove]);
12778 soughtTotal = MakePieceList(soughtBoard, maxSought);
12779 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12780 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12781 CopyBoard(reverseBoard, boards[currentMove]);
12782 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12783 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12784 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12785 reverseBoard[r][f] = piece;
12787 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12788 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12789 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12790 || (boards[currentMove][CASTLING][2] == NoRights ||
12791 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12792 && (boards[currentMove][CASTLING][5] == NoRights ||
12793 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12796 CopyBoard(flipBoard, soughtBoard);
12797 CopyBoard(rotateBoard, reverseBoard);
12798 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12799 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12800 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12803 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12804 if(appData.searchMode >= 5) {
12805 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12806 MakePieceList(soughtBoard, minSought);
12807 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12809 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12810 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12813 GameInfo dummyInfo;
12814 static int creatingBook;
12817 GameContainsPosition (FILE *f, ListGame *lg)
12819 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12820 int fromX, fromY, toX, toY;
12822 static int initDone=FALSE;
12824 // weed out games based on numerical tag comparison
12825 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12826 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12827 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12828 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12830 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12833 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12834 else CopyBoard(boards[scratch], initialPosition); // default start position
12837 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12838 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12841 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12842 fseek(f, lg->offset, 0);
12845 yyboardindex = scratch;
12846 quickFlag = plyNr+1;
12851 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12857 if(plyNr) return -1; // after we have seen moves, this is for new game
12860 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12861 case ImpossibleMove:
12862 case WhiteWins: // game ends here with these four
12865 case GameUnfinished:
12869 if(appData.testLegality) return -1;
12870 case WhiteCapturesEnPassant:
12871 case BlackCapturesEnPassant:
12872 case WhitePromotion:
12873 case BlackPromotion:
12874 case WhiteNonPromotion:
12875 case BlackNonPromotion:
12878 case WhiteKingSideCastle:
12879 case WhiteQueenSideCastle:
12880 case BlackKingSideCastle:
12881 case BlackQueenSideCastle:
12882 case WhiteKingSideCastleWild:
12883 case WhiteQueenSideCastleWild:
12884 case BlackKingSideCastleWild:
12885 case BlackQueenSideCastleWild:
12886 case WhiteHSideCastleFR:
12887 case WhiteASideCastleFR:
12888 case BlackHSideCastleFR:
12889 case BlackASideCastleFR:
12890 fromX = currentMoveString[0] - AAA;
12891 fromY = currentMoveString[1] - ONE;
12892 toX = currentMoveString[2] - AAA;
12893 toY = currentMoveString[3] - ONE;
12894 promoChar = currentMoveString[4];
12898 fromX = next == WhiteDrop ?
12899 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12900 (int) CharToPiece(ToLower(currentMoveString[0]));
12902 toX = currentMoveString[2] - AAA;
12903 toY = currentMoveString[3] - ONE;
12907 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12909 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12910 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12911 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12912 if(appData.findMirror) {
12913 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12914 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12919 /* Load the nth game from open file f */
12921 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12925 int gn = gameNumber;
12926 ListGame *lg = NULL;
12927 int numPGNTags = 0;
12929 GameMode oldGameMode;
12930 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12931 char oldName[MSG_SIZ];
12933 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12935 if (appData.debugMode)
12936 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12938 if (gameMode == Training )
12939 SetTrainingModeOff();
12941 oldGameMode = gameMode;
12942 if (gameMode != BeginningOfGame) {
12943 Reset(FALSE, TRUE);
12945 killX = killY = kill2X = kill2Y = -1; // [HGM] lion: in case we did not Reset
12948 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12949 fclose(lastLoadGameFP);
12953 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12956 fseek(f, lg->offset, 0);
12957 GameListHighlight(gameNumber);
12958 pos = lg->position;
12962 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12963 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12965 DisplayError(_("Game number out of range"), 0);
12970 if (fseek(f, 0, 0) == -1) {
12971 if (f == lastLoadGameFP ?
12972 gameNumber == lastLoadGameNumber + 1 :
12976 DisplayError(_("Can't seek on game file"), 0);
12981 lastLoadGameFP = f;
12982 lastLoadGameNumber = gameNumber;
12983 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12984 lastLoadGameUseList = useList;
12988 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12989 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12990 lg->gameInfo.black);
12992 } else if (*title != NULLCHAR) {
12993 if (gameNumber > 1) {
12994 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12997 DisplayTitle(title);
13001 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
13002 gameMode = PlayFromGameFile;
13006 currentMove = forwardMostMove = backwardMostMove = 0;
13007 CopyBoard(boards[0], initialPosition);
13011 * Skip the first gn-1 games in the file.
13012 * Also skip over anything that precedes an identifiable
13013 * start of game marker, to avoid being confused by
13014 * garbage at the start of the file. Currently
13015 * recognized start of game markers are the move number "1",
13016 * the pattern "gnuchess .* game", the pattern
13017 * "^[#;%] [^ ]* game file", and a PGN tag block.
13018 * A game that starts with one of the latter two patterns
13019 * will also have a move number 1, possibly
13020 * following a position diagram.
13021 * 5-4-02: Let's try being more lenient and allowing a game to
13022 * start with an unnumbered move. Does that break anything?
13024 cm = lastLoadGameStart = EndOfFile;
13026 yyboardindex = forwardMostMove;
13027 cm = (ChessMove) Myylex();
13030 if (cmailMsgLoaded) {
13031 nCmailGames = CMAIL_MAX_GAMES - gn;
13034 DisplayError(_("Game not found in file"), 0);
13041 lastLoadGameStart = cm;
13044 case MoveNumberOne:
13045 switch (lastLoadGameStart) {
13050 case MoveNumberOne:
13052 gn--; /* count this game */
13053 lastLoadGameStart = cm;
13062 switch (lastLoadGameStart) {
13065 case MoveNumberOne:
13067 gn--; /* count this game */
13068 lastLoadGameStart = cm;
13071 lastLoadGameStart = cm; /* game counted already */
13079 yyboardindex = forwardMostMove;
13080 cm = (ChessMove) Myylex();
13081 } while (cm == PGNTag || cm == Comment);
13088 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13089 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13090 != CMAIL_OLD_RESULT) {
13092 cmailResult[ CMAIL_MAX_GAMES
13093 - gn - 1] = CMAIL_OLD_RESULT;
13100 /* Only a NormalMove can be at the start of a game
13101 * without a position diagram. */
13102 if (lastLoadGameStart == EndOfFile ) {
13104 lastLoadGameStart = MoveNumberOne;
13113 if (appData.debugMode)
13114 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13116 if (cm == XBoardGame) {
13117 /* Skip any header junk before position diagram and/or move 1 */
13119 yyboardindex = forwardMostMove;
13120 cm = (ChessMove) Myylex();
13122 if (cm == EndOfFile ||
13123 cm == GNUChessGame || cm == XBoardGame) {
13124 /* Empty game; pretend end-of-file and handle later */
13129 if (cm == MoveNumberOne || cm == PositionDiagram ||
13130 cm == PGNTag || cm == Comment)
13133 } else if (cm == GNUChessGame) {
13134 if (gameInfo.event != NULL) {
13135 free(gameInfo.event);
13137 gameInfo.event = StrSave(yy_text);
13140 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13141 while (cm == PGNTag) {
13142 if (appData.debugMode)
13143 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13144 err = ParsePGNTag(yy_text, &gameInfo);
13145 if (!err) numPGNTags++;
13147 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13148 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13149 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13150 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13151 InitPosition(TRUE);
13152 oldVariant = gameInfo.variant;
13153 if (appData.debugMode)
13154 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13158 if (gameInfo.fen != NULL) {
13159 Board initial_position;
13160 startedFromSetupPosition = TRUE;
13161 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13163 DisplayError(_("Bad FEN position in file"), 0);
13166 CopyBoard(boards[0], initial_position);
13167 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13168 CopyBoard(initialPosition, initial_position);
13169 if (blackPlaysFirst) {
13170 currentMove = forwardMostMove = backwardMostMove = 1;
13171 CopyBoard(boards[1], initial_position);
13172 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13173 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13174 timeRemaining[0][1] = whiteTimeRemaining;
13175 timeRemaining[1][1] = blackTimeRemaining;
13176 if (commentList[0] != NULL) {
13177 commentList[1] = commentList[0];
13178 commentList[0] = NULL;
13181 currentMove = forwardMostMove = backwardMostMove = 0;
13183 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13185 initialRulePlies = FENrulePlies;
13186 for( i=0; i< nrCastlingRights; i++ )
13187 initialRights[i] = initial_position[CASTLING][i];
13189 yyboardindex = forwardMostMove;
13190 free(gameInfo.fen);
13191 gameInfo.fen = NULL;
13194 yyboardindex = forwardMostMove;
13195 cm = (ChessMove) Myylex();
13197 /* Handle comments interspersed among the tags */
13198 while (cm == Comment) {
13200 if (appData.debugMode)
13201 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13203 AppendComment(currentMove, p, FALSE);
13204 yyboardindex = forwardMostMove;
13205 cm = (ChessMove) Myylex();
13209 /* don't rely on existence of Event tag since if game was
13210 * pasted from clipboard the Event tag may not exist
13212 if (numPGNTags > 0){
13214 if (gameInfo.variant == VariantNormal) {
13215 VariantClass v = StringToVariant(gameInfo.event);
13216 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13217 if(v < VariantShogi) gameInfo.variant = v;
13220 if( appData.autoDisplayTags ) {
13221 tags = PGNTags(&gameInfo);
13222 TagsPopUp(tags, CmailMsg());
13227 /* Make something up, but don't display it now */
13232 if (cm == PositionDiagram) {
13235 Board initial_position;
13237 if (appData.debugMode)
13238 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13240 if (!startedFromSetupPosition) {
13242 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13243 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13254 initial_position[i][j++] = CharToPiece(*p);
13257 while (*p == ' ' || *p == '\t' ||
13258 *p == '\n' || *p == '\r') p++;
13260 if (strncmp(p, "black", strlen("black"))==0)
13261 blackPlaysFirst = TRUE;
13263 blackPlaysFirst = FALSE;
13264 startedFromSetupPosition = TRUE;
13266 CopyBoard(boards[0], initial_position);
13267 if (blackPlaysFirst) {
13268 currentMove = forwardMostMove = backwardMostMove = 1;
13269 CopyBoard(boards[1], initial_position);
13270 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13271 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13272 timeRemaining[0][1] = whiteTimeRemaining;
13273 timeRemaining[1][1] = blackTimeRemaining;
13274 if (commentList[0] != NULL) {
13275 commentList[1] = commentList[0];
13276 commentList[0] = NULL;
13279 currentMove = forwardMostMove = backwardMostMove = 0;
13282 yyboardindex = forwardMostMove;
13283 cm = (ChessMove) Myylex();
13286 if(!creatingBook) {
13287 if (first.pr == NoProc) {
13288 StartChessProgram(&first);
13290 InitChessProgram(&first, FALSE);
13291 if(gameInfo.variant == VariantUnknown && *oldName) {
13292 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13293 gameInfo.variant = v;
13295 SendToProgram("force\n", &first);
13296 if (startedFromSetupPosition) {
13297 SendBoard(&first, forwardMostMove);
13298 if (appData.debugMode) {
13299 fprintf(debugFP, "Load Game\n");
13301 DisplayBothClocks();
13305 /* [HGM] server: flag to write setup moves in broadcast file as one */
13306 loadFlag = appData.suppressLoadMoves;
13308 while (cm == Comment) {
13310 if (appData.debugMode)
13311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13313 AppendComment(currentMove, p, FALSE);
13314 yyboardindex = forwardMostMove;
13315 cm = (ChessMove) Myylex();
13318 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13319 cm == WhiteWins || cm == BlackWins ||
13320 cm == GameIsDrawn || cm == GameUnfinished) {
13321 DisplayMessage("", _("No moves in game"));
13322 if (cmailMsgLoaded) {
13323 if (appData.debugMode)
13324 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13328 DrawPosition(FALSE, boards[currentMove]);
13329 DisplayBothClocks();
13330 gameMode = EditGame;
13337 // [HGM] PV info: routine tests if comment empty
13338 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13339 DisplayComment(currentMove - 1, commentList[currentMove]);
13341 if (!matchMode && appData.timeDelay != 0)
13342 DrawPosition(FALSE, boards[currentMove]);
13344 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13345 programStats.ok_to_send = 1;
13348 /* if the first token after the PGN tags is a move
13349 * and not move number 1, retrieve it from the parser
13351 if (cm != MoveNumberOne)
13352 LoadGameOneMove(cm);
13354 /* load the remaining moves from the file */
13355 while (LoadGameOneMove(EndOfFile)) {
13356 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13357 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13360 /* rewind to the start of the game */
13361 currentMove = backwardMostMove;
13363 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13365 if (oldGameMode == AnalyzeFile) {
13366 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13367 AnalyzeFileEvent();
13369 if (oldGameMode == AnalyzeMode) {
13370 AnalyzeFileEvent();
13373 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13374 long int w, b; // [HGM] adjourn: restore saved clock times
13375 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13376 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13377 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13378 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13382 if(creatingBook) return TRUE;
13383 if (!matchMode && pos > 0) {
13384 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13386 if (matchMode || appData.timeDelay == 0) {
13388 } else if (appData.timeDelay > 0) {
13389 AutoPlayGameLoop();
13392 if (appData.debugMode)
13393 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13395 loadFlag = 0; /* [HGM] true game starts */
13399 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13401 ReloadPosition (int offset)
13403 int positionNumber = lastLoadPositionNumber + offset;
13404 if (lastLoadPositionFP == NULL) {
13405 DisplayError(_("No position has been loaded yet"), 0);
13408 if (positionNumber <= 0) {
13409 DisplayError(_("Can't back up any further"), 0);
13412 return LoadPosition(lastLoadPositionFP, positionNumber,
13413 lastLoadPositionTitle);
13416 /* Load the nth position from the given file */
13418 LoadPositionFromFile (char *filename, int n, char *title)
13423 if (strcmp(filename, "-") == 0) {
13424 return LoadPosition(stdin, n, "stdin");
13426 f = fopen(filename, "rb");
13428 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13429 DisplayError(buf, errno);
13432 return LoadPosition(f, n, title);
13437 /* Load the nth position from the given open file, and close it */
13439 LoadPosition (FILE *f, int positionNumber, char *title)
13441 char *p, line[MSG_SIZ];
13442 Board initial_position;
13443 int i, j, fenMode, pn;
13445 if (gameMode == Training )
13446 SetTrainingModeOff();
13448 if (gameMode != BeginningOfGame) {
13449 Reset(FALSE, TRUE);
13451 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13452 fclose(lastLoadPositionFP);
13454 if (positionNumber == 0) positionNumber = 1;
13455 lastLoadPositionFP = f;
13456 lastLoadPositionNumber = positionNumber;
13457 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13458 if (first.pr == NoProc && !appData.noChessProgram) {
13459 StartChessProgram(&first);
13460 InitChessProgram(&first, FALSE);
13462 pn = positionNumber;
13463 if (positionNumber < 0) {
13464 /* Negative position number means to seek to that byte offset */
13465 if (fseek(f, -positionNumber, 0) == -1) {
13466 DisplayError(_("Can't seek on position file"), 0);
13471 if (fseek(f, 0, 0) == -1) {
13472 if (f == lastLoadPositionFP ?
13473 positionNumber == lastLoadPositionNumber + 1 :
13474 positionNumber == 1) {
13477 DisplayError(_("Can't seek on position file"), 0);
13482 /* See if this file is FEN or old-style xboard */
13483 if (fgets(line, MSG_SIZ, f) == NULL) {
13484 DisplayError(_("Position not found in file"), 0);
13487 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13488 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13491 if (fenMode || line[0] == '#') pn--;
13493 /* skip positions before number pn */
13494 if (fgets(line, MSG_SIZ, f) == NULL) {
13496 DisplayError(_("Position not found in file"), 0);
13499 if (fenMode || line[0] == '#') pn--;
13505 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13506 DisplayError(_("Bad FEN position in file"), 0);
13509 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13510 sscanf(p+3, "%s", bestMove);
13511 } else *bestMove = NULLCHAR;
13513 (void) fgets(line, MSG_SIZ, f);
13514 (void) fgets(line, MSG_SIZ, f);
13516 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13517 (void) fgets(line, MSG_SIZ, f);
13518 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13521 initial_position[i][j++] = CharToPiece(*p);
13525 blackPlaysFirst = FALSE;
13527 (void) fgets(line, MSG_SIZ, f);
13528 if (strncmp(line, "black", strlen("black"))==0)
13529 blackPlaysFirst = TRUE;
13532 startedFromSetupPosition = TRUE;
13534 CopyBoard(boards[0], initial_position);
13535 if (blackPlaysFirst) {
13536 currentMove = forwardMostMove = backwardMostMove = 1;
13537 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13538 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13539 CopyBoard(boards[1], initial_position);
13540 DisplayMessage("", _("Black to play"));
13542 currentMove = forwardMostMove = backwardMostMove = 0;
13543 DisplayMessage("", _("White to play"));
13545 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13546 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13547 SendToProgram("force\n", &first);
13548 SendBoard(&first, forwardMostMove);
13550 if (appData.debugMode) {
13552 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13553 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13554 fprintf(debugFP, "Load Position\n");
13557 if (positionNumber > 1) {
13558 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13559 DisplayTitle(line);
13561 DisplayTitle(title);
13563 gameMode = EditGame;
13566 timeRemaining[0][1] = whiteTimeRemaining;
13567 timeRemaining[1][1] = blackTimeRemaining;
13568 DrawPosition(FALSE, boards[currentMove]);
13575 CopyPlayerNameIntoFileName (char **dest, char *src)
13577 while (*src != NULLCHAR && *src != ',') {
13582 *(*dest)++ = *src++;
13588 DefaultFileName (char *ext)
13590 static char def[MSG_SIZ];
13593 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13595 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13597 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13599 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13606 /* Save the current game to the given file */
13608 SaveGameToFile (char *filename, int append)
13612 int result, i, t,tot=0;
13614 if (strcmp(filename, "-") == 0) {
13615 return SaveGame(stdout, 0, NULL);
13617 for(i=0; i<10; i++) { // upto 10 tries
13618 f = fopen(filename, append ? "a" : "w");
13619 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13620 if(f || errno != 13) break;
13621 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13625 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13626 DisplayError(buf, errno);
13629 safeStrCpy(buf, lastMsg, MSG_SIZ);
13630 DisplayMessage(_("Waiting for access to save file"), "");
13631 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13632 DisplayMessage(_("Saving game"), "");
13633 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13634 result = SaveGame(f, 0, NULL);
13635 DisplayMessage(buf, "");
13642 SavePart (char *str)
13644 static char buf[MSG_SIZ];
13647 p = strchr(str, ' ');
13648 if (p == NULL) return str;
13649 strncpy(buf, str, p - str);
13650 buf[p - str] = NULLCHAR;
13654 #define PGN_MAX_LINE 75
13656 #define PGN_SIDE_WHITE 0
13657 #define PGN_SIDE_BLACK 1
13660 FindFirstMoveOutOfBook (int side)
13664 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13665 int index = backwardMostMove;
13666 int has_book_hit = 0;
13668 if( (index % 2) != side ) {
13672 while( index < forwardMostMove ) {
13673 /* Check to see if engine is in book */
13674 int depth = pvInfoList[index].depth;
13675 int score = pvInfoList[index].score;
13681 else if( score == 0 && depth == 63 ) {
13682 in_book = 1; /* Zappa */
13684 else if( score == 2 && depth == 99 ) {
13685 in_book = 1; /* Abrok */
13688 has_book_hit += in_book;
13704 GetOutOfBookInfo (char * buf)
13708 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13710 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13711 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13715 if( oob[0] >= 0 || oob[1] >= 0 ) {
13716 for( i=0; i<2; i++ ) {
13720 if( i > 0 && oob[0] >= 0 ) {
13721 strcat( buf, " " );
13724 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13725 sprintf( buf+strlen(buf), "%s%.2f",
13726 pvInfoList[idx].score >= 0 ? "+" : "",
13727 pvInfoList[idx].score / 100.0 );
13733 /* Save game in PGN style */
13735 SaveGamePGN2 (FILE *f)
13737 int i, offset, linelen, newblock;
13740 int movelen, numlen, blank;
13741 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13743 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13745 PrintPGNTags(f, &gameInfo);
13747 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13749 if (backwardMostMove > 0 || startedFromSetupPosition) {
13750 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13751 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13752 fprintf(f, "\n{--------------\n");
13753 PrintPosition(f, backwardMostMove);
13754 fprintf(f, "--------------}\n");
13758 /* [AS] Out of book annotation */
13759 if( appData.saveOutOfBookInfo ) {
13762 GetOutOfBookInfo( buf );
13764 if( buf[0] != '\0' ) {
13765 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13772 i = backwardMostMove;
13776 while (i < forwardMostMove) {
13777 /* Print comments preceding this move */
13778 if (commentList[i] != NULL) {
13779 if (linelen > 0) fprintf(f, "\n");
13780 fprintf(f, "%s", commentList[i]);
13785 /* Format move number */
13787 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13790 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13792 numtext[0] = NULLCHAR;
13794 numlen = strlen(numtext);
13797 /* Print move number */
13798 blank = linelen > 0 && numlen > 0;
13799 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13808 fprintf(f, "%s", numtext);
13812 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13813 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13816 blank = linelen > 0 && movelen > 0;
13817 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13826 fprintf(f, "%s", move_buffer);
13827 linelen += movelen;
13829 /* [AS] Add PV info if present */
13830 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13831 /* [HGM] add time */
13832 char buf[MSG_SIZ]; int seconds;
13834 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13840 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13843 seconds = (seconds + 4)/10; // round to full seconds
13845 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13847 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13850 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13851 pvInfoList[i].score >= 0 ? "+" : "",
13852 pvInfoList[i].score / 100.0,
13853 pvInfoList[i].depth,
13856 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13858 /* Print score/depth */
13859 blank = linelen > 0 && movelen > 0;
13860 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13869 fprintf(f, "%s", move_buffer);
13870 linelen += movelen;
13876 /* Start a new line */
13877 if (linelen > 0) fprintf(f, "\n");
13879 /* Print comments after last move */
13880 if (commentList[i] != NULL) {
13881 fprintf(f, "%s\n", commentList[i]);
13885 if (gameInfo.resultDetails != NULL &&
13886 gameInfo.resultDetails[0] != NULLCHAR) {
13887 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13888 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13889 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13890 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13891 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13893 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13897 /* Save game in PGN style and close the file */
13899 SaveGamePGN (FILE *f)
13903 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13907 /* Save game in old style and close the file */
13909 SaveGameOldStyle (FILE *f)
13914 tm = time((time_t *) NULL);
13916 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13919 if (backwardMostMove > 0 || startedFromSetupPosition) {
13920 fprintf(f, "\n[--------------\n");
13921 PrintPosition(f, backwardMostMove);
13922 fprintf(f, "--------------]\n");
13927 i = backwardMostMove;
13928 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13930 while (i < forwardMostMove) {
13931 if (commentList[i] != NULL) {
13932 fprintf(f, "[%s]\n", commentList[i]);
13935 if ((i % 2) == 1) {
13936 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13939 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13941 if (commentList[i] != NULL) {
13945 if (i >= forwardMostMove) {
13949 fprintf(f, "%s\n", parseList[i]);
13954 if (commentList[i] != NULL) {
13955 fprintf(f, "[%s]\n", commentList[i]);
13958 /* This isn't really the old style, but it's close enough */
13959 if (gameInfo.resultDetails != NULL &&
13960 gameInfo.resultDetails[0] != NULLCHAR) {
13961 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13962 gameInfo.resultDetails);
13964 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13971 /* Save the current game to open file f and close the file */
13973 SaveGame (FILE *f, int dummy, char *dummy2)
13975 if (gameMode == EditPosition) EditPositionDone(TRUE);
13976 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13977 if (appData.oldSaveStyle)
13978 return SaveGameOldStyle(f);
13980 return SaveGamePGN(f);
13983 /* Save the current position to the given file */
13985 SavePositionToFile (char *filename)
13990 if (strcmp(filename, "-") == 0) {
13991 return SavePosition(stdout, 0, NULL);
13993 f = fopen(filename, "a");
13995 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13996 DisplayError(buf, errno);
13999 safeStrCpy(buf, lastMsg, MSG_SIZ);
14000 DisplayMessage(_("Waiting for access to save file"), "");
14001 flock(fileno(f), LOCK_EX); // [HGM] lock
14002 DisplayMessage(_("Saving position"), "");
14003 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
14004 SavePosition(f, 0, NULL);
14005 DisplayMessage(buf, "");
14011 /* Save the current position to the given open file and close the file */
14013 SavePosition (FILE *f, int dummy, char *dummy2)
14018 if (gameMode == EditPosition) EditPositionDone(TRUE);
14019 if (appData.oldSaveStyle) {
14020 tm = time((time_t *) NULL);
14022 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14024 fprintf(f, "[--------------\n");
14025 PrintPosition(f, currentMove);
14026 fprintf(f, "--------------]\n");
14028 fen = PositionToFEN(currentMove, NULL, 1);
14029 fprintf(f, "%s\n", fen);
14037 ReloadCmailMsgEvent (int unregister)
14040 static char *inFilename = NULL;
14041 static char *outFilename;
14043 struct stat inbuf, outbuf;
14046 /* Any registered moves are unregistered if unregister is set, */
14047 /* i.e. invoked by the signal handler */
14049 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14050 cmailMoveRegistered[i] = FALSE;
14051 if (cmailCommentList[i] != NULL) {
14052 free(cmailCommentList[i]);
14053 cmailCommentList[i] = NULL;
14056 nCmailMovesRegistered = 0;
14059 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14060 cmailResult[i] = CMAIL_NOT_RESULT;
14064 if (inFilename == NULL) {
14065 /* Because the filenames are static they only get malloced once */
14066 /* and they never get freed */
14067 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14068 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14070 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14071 sprintf(outFilename, "%s.out", appData.cmailGameName);
14074 status = stat(outFilename, &outbuf);
14076 cmailMailedMove = FALSE;
14078 status = stat(inFilename, &inbuf);
14079 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14082 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14083 counts the games, notes how each one terminated, etc.
14085 It would be nice to remove this kludge and instead gather all
14086 the information while building the game list. (And to keep it
14087 in the game list nodes instead of having a bunch of fixed-size
14088 parallel arrays.) Note this will require getting each game's
14089 termination from the PGN tags, as the game list builder does
14090 not process the game moves. --mann
14092 cmailMsgLoaded = TRUE;
14093 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14095 /* Load first game in the file or popup game menu */
14096 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14098 #endif /* !WIN32 */
14106 char string[MSG_SIZ];
14108 if ( cmailMailedMove
14109 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14110 return TRUE; /* Allow free viewing */
14113 /* Unregister move to ensure that we don't leave RegisterMove */
14114 /* with the move registered when the conditions for registering no */
14116 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14117 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14118 nCmailMovesRegistered --;
14120 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14122 free(cmailCommentList[lastLoadGameNumber - 1]);
14123 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14127 if (cmailOldMove == -1) {
14128 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14132 if (currentMove > cmailOldMove + 1) {
14133 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14137 if (currentMove < cmailOldMove) {
14138 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14142 if (forwardMostMove > currentMove) {
14143 /* Silently truncate extra moves */
14147 if ( (currentMove == cmailOldMove + 1)
14148 || ( (currentMove == cmailOldMove)
14149 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14150 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14151 if (gameInfo.result != GameUnfinished) {
14152 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14155 if (commentList[currentMove] != NULL) {
14156 cmailCommentList[lastLoadGameNumber - 1]
14157 = StrSave(commentList[currentMove]);
14159 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14161 if (appData.debugMode)
14162 fprintf(debugFP, "Saving %s for game %d\n",
14163 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14165 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14167 f = fopen(string, "w");
14168 if (appData.oldSaveStyle) {
14169 SaveGameOldStyle(f); /* also closes the file */
14171 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14172 f = fopen(string, "w");
14173 SavePosition(f, 0, NULL); /* also closes the file */
14175 fprintf(f, "{--------------\n");
14176 PrintPosition(f, currentMove);
14177 fprintf(f, "--------------}\n\n");
14179 SaveGame(f, 0, NULL); /* also closes the file*/
14182 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14183 nCmailMovesRegistered ++;
14184 } else if (nCmailGames == 1) {
14185 DisplayError(_("You have not made a move yet"), 0);
14196 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14197 FILE *commandOutput;
14198 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14199 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14205 if (! cmailMsgLoaded) {
14206 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14210 if (nCmailGames == nCmailResults) {
14211 DisplayError(_("No unfinished games"), 0);
14215 #if CMAIL_PROHIBIT_REMAIL
14216 if (cmailMailedMove) {
14217 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);
14218 DisplayError(msg, 0);
14223 if (! (cmailMailedMove || RegisterMove())) return;
14225 if ( cmailMailedMove
14226 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14227 snprintf(string, MSG_SIZ, partCommandString,
14228 appData.debugMode ? " -v" : "", appData.cmailGameName);
14229 commandOutput = popen(string, "r");
14231 if (commandOutput == NULL) {
14232 DisplayError(_("Failed to invoke cmail"), 0);
14234 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14235 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14237 if (nBuffers > 1) {
14238 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14239 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14240 nBytes = MSG_SIZ - 1;
14242 (void) memcpy(msg, buffer, nBytes);
14244 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14246 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14247 cmailMailedMove = TRUE; /* Prevent >1 moves */
14250 for (i = 0; i < nCmailGames; i ++) {
14251 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14256 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14258 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14260 appData.cmailGameName,
14262 LoadGameFromFile(buffer, 1, buffer, FALSE);
14263 cmailMsgLoaded = FALSE;
14267 DisplayInformation(msg);
14268 pclose(commandOutput);
14271 if ((*cmailMsg) != '\0') {
14272 DisplayInformation(cmailMsg);
14277 #endif /* !WIN32 */
14286 int prependComma = 0;
14288 char string[MSG_SIZ]; /* Space for game-list */
14291 if (!cmailMsgLoaded) return "";
14293 if (cmailMailedMove) {
14294 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14296 /* Create a list of games left */
14297 snprintf(string, MSG_SIZ, "[");
14298 for (i = 0; i < nCmailGames; i ++) {
14299 if (! ( cmailMoveRegistered[i]
14300 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14301 if (prependComma) {
14302 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14304 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14308 strcat(string, number);
14311 strcat(string, "]");
14313 if (nCmailMovesRegistered + nCmailResults == 0) {
14314 switch (nCmailGames) {
14316 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14320 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14324 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14329 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14331 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14336 if (nCmailResults == nCmailGames) {
14337 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14339 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14344 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14356 if (gameMode == Training)
14357 SetTrainingModeOff();
14360 cmailMsgLoaded = FALSE;
14361 if (appData.icsActive) {
14362 SendToICS(ics_prefix);
14363 SendToICS("refresh\n");
14368 ExitEvent (int status)
14372 /* Give up on clean exit */
14376 /* Keep trying for clean exit */
14380 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14381 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14383 if (telnetISR != NULL) {
14384 RemoveInputSource(telnetISR);
14386 if (icsPR != NoProc) {
14387 DestroyChildProcess(icsPR, TRUE);
14390 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14391 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14393 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14394 /* make sure this other one finishes before killing it! */
14395 if(endingGame) { int count = 0;
14396 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14397 while(endingGame && count++ < 10) DoSleep(1);
14398 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14401 /* Kill off chess programs */
14402 if (first.pr != NoProc) {
14405 DoSleep( appData.delayBeforeQuit );
14406 SendToProgram("quit\n", &first);
14407 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14409 if (second.pr != NoProc) {
14410 DoSleep( appData.delayBeforeQuit );
14411 SendToProgram("quit\n", &second);
14412 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14414 if (first.isr != NULL) {
14415 RemoveInputSource(first.isr);
14417 if (second.isr != NULL) {
14418 RemoveInputSource(second.isr);
14421 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14422 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14424 ShutDownFrontEnd();
14429 PauseEngine (ChessProgramState *cps)
14431 SendToProgram("pause\n", cps);
14436 UnPauseEngine (ChessProgramState *cps)
14438 SendToProgram("resume\n", cps);
14445 if (appData.debugMode)
14446 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14450 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14452 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14453 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14454 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14456 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14457 HandleMachineMove(stashedInputMove, stalledEngine);
14458 stalledEngine = NULL;
14461 if (gameMode == MachinePlaysWhite ||
14462 gameMode == TwoMachinesPlay ||
14463 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14464 if(first.pause) UnPauseEngine(&first);
14465 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14466 if(second.pause) UnPauseEngine(&second);
14467 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14470 DisplayBothClocks();
14472 if (gameMode == PlayFromGameFile) {
14473 if (appData.timeDelay >= 0)
14474 AutoPlayGameLoop();
14475 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14476 Reset(FALSE, TRUE);
14477 SendToICS(ics_prefix);
14478 SendToICS("refresh\n");
14479 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14480 ForwardInner(forwardMostMove);
14482 pauseExamInvalid = FALSE;
14484 switch (gameMode) {
14488 pauseExamForwardMostMove = forwardMostMove;
14489 pauseExamInvalid = FALSE;
14492 case IcsPlayingWhite:
14493 case IcsPlayingBlack:
14497 case PlayFromGameFile:
14498 (void) StopLoadGameTimer();
14502 case BeginningOfGame:
14503 if (appData.icsActive) return;
14504 /* else fall through */
14505 case MachinePlaysWhite:
14506 case MachinePlaysBlack:
14507 case TwoMachinesPlay:
14508 if (forwardMostMove == 0)
14509 return; /* don't pause if no one has moved */
14510 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14511 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14512 if(onMove->pause) { // thinking engine can be paused
14513 PauseEngine(onMove); // do it
14514 if(onMove->other->pause) // pondering opponent can always be paused immediately
14515 PauseEngine(onMove->other);
14517 SendToProgram("easy\n", onMove->other);
14519 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14520 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14522 PauseEngine(&first);
14524 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14525 } else { // human on move, pause pondering by either method
14527 PauseEngine(&first);
14528 else if(appData.ponderNextMove)
14529 SendToProgram("easy\n", &first);
14532 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14542 EditCommentEvent ()
14544 char title[MSG_SIZ];
14546 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14547 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14549 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14550 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14551 parseList[currentMove - 1]);
14554 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14561 char *tags = PGNTags(&gameInfo);
14563 EditTagsPopUp(tags, NULL);
14570 if(second.analyzing) {
14571 SendToProgram("exit\n", &second);
14572 second.analyzing = FALSE;
14574 if (second.pr == NoProc) StartChessProgram(&second);
14575 InitChessProgram(&second, FALSE);
14576 FeedMovesToProgram(&second, currentMove);
14578 SendToProgram("analyze\n", &second);
14579 second.analyzing = TRUE;
14583 /* Toggle ShowThinking */
14585 ToggleShowThinking()
14587 appData.showThinking = !appData.showThinking;
14588 ShowThinkingEvent();
14592 AnalyzeModeEvent ()
14596 if (!first.analysisSupport) {
14597 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14598 DisplayError(buf, 0);
14601 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14602 if (appData.icsActive) {
14603 if (gameMode != IcsObserving) {
14604 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14605 DisplayError(buf, 0);
14607 if (appData.icsEngineAnalyze) {
14608 if (appData.debugMode)
14609 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14615 /* if enable, user wants to disable icsEngineAnalyze */
14616 if (appData.icsEngineAnalyze) {
14621 appData.icsEngineAnalyze = TRUE;
14622 if (appData.debugMode)
14623 fprintf(debugFP, "ICS engine analyze starting... \n");
14626 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14627 if (appData.noChessProgram || gameMode == AnalyzeMode)
14630 if (gameMode != AnalyzeFile) {
14631 if (!appData.icsEngineAnalyze) {
14633 if (gameMode != EditGame) return 0;
14635 if (!appData.showThinking) ToggleShowThinking();
14636 ResurrectChessProgram();
14637 SendToProgram("analyze\n", &first);
14638 first.analyzing = TRUE;
14639 /*first.maybeThinking = TRUE;*/
14640 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14641 EngineOutputPopUp();
14643 if (!appData.icsEngineAnalyze) {
14644 gameMode = AnalyzeMode;
14645 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14651 StartAnalysisClock();
14652 GetTimeMark(&lastNodeCountTime);
14658 AnalyzeFileEvent ()
14660 if (appData.noChessProgram || gameMode == AnalyzeFile)
14663 if (!first.analysisSupport) {
14665 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14666 DisplayError(buf, 0);
14670 if (gameMode != AnalyzeMode) {
14671 keepInfo = 1; // mere annotating should not alter PGN tags
14674 if (gameMode != EditGame) return;
14675 if (!appData.showThinking) ToggleShowThinking();
14676 ResurrectChessProgram();
14677 SendToProgram("analyze\n", &first);
14678 first.analyzing = TRUE;
14679 /*first.maybeThinking = TRUE;*/
14680 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14681 EngineOutputPopUp();
14683 gameMode = AnalyzeFile;
14687 StartAnalysisClock();
14688 GetTimeMark(&lastNodeCountTime);
14690 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14691 AnalysisPeriodicEvent(1);
14695 MachineWhiteEvent ()
14698 char *bookHit = NULL;
14700 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14704 if (gameMode == PlayFromGameFile ||
14705 gameMode == TwoMachinesPlay ||
14706 gameMode == Training ||
14707 gameMode == AnalyzeMode ||
14708 gameMode == EndOfGame)
14711 if (gameMode == EditPosition)
14712 EditPositionDone(TRUE);
14714 if (!WhiteOnMove(currentMove)) {
14715 DisplayError(_("It is not White's turn"), 0);
14719 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14722 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14723 gameMode == AnalyzeFile)
14726 ResurrectChessProgram(); /* in case it isn't running */
14727 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14728 gameMode = MachinePlaysWhite;
14731 gameMode = MachinePlaysWhite;
14735 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14737 if (first.sendName) {
14738 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14739 SendToProgram(buf, &first);
14741 if (first.sendTime) {
14742 if (first.useColors) {
14743 SendToProgram("black\n", &first); /*gnu kludge*/
14745 SendTimeRemaining(&first, TRUE);
14747 if (first.useColors) {
14748 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14750 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14751 SetMachineThinkingEnables();
14752 first.maybeThinking = TRUE;
14756 if (appData.autoFlipView && !flipView) {
14757 flipView = !flipView;
14758 DrawPosition(FALSE, NULL);
14759 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14762 if(bookHit) { // [HGM] book: simulate book reply
14763 static char bookMove[MSG_SIZ]; // a bit generous?
14765 programStats.nodes = programStats.depth = programStats.time =
14766 programStats.score = programStats.got_only_move = 0;
14767 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14769 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14770 strcat(bookMove, bookHit);
14771 HandleMachineMove(bookMove, &first);
14776 MachineBlackEvent ()
14779 char *bookHit = NULL;
14781 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14785 if (gameMode == PlayFromGameFile ||
14786 gameMode == TwoMachinesPlay ||
14787 gameMode == Training ||
14788 gameMode == AnalyzeMode ||
14789 gameMode == EndOfGame)
14792 if (gameMode == EditPosition)
14793 EditPositionDone(TRUE);
14795 if (WhiteOnMove(currentMove)) {
14796 DisplayError(_("It is not Black's turn"), 0);
14800 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14803 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14804 gameMode == AnalyzeFile)
14807 ResurrectChessProgram(); /* in case it isn't running */
14808 gameMode = MachinePlaysBlack;
14812 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14814 if (first.sendName) {
14815 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14816 SendToProgram(buf, &first);
14818 if (first.sendTime) {
14819 if (first.useColors) {
14820 SendToProgram("white\n", &first); /*gnu kludge*/
14822 SendTimeRemaining(&first, FALSE);
14824 if (first.useColors) {
14825 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14827 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14828 SetMachineThinkingEnables();
14829 first.maybeThinking = TRUE;
14832 if (appData.autoFlipView && flipView) {
14833 flipView = !flipView;
14834 DrawPosition(FALSE, NULL);
14835 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14837 if(bookHit) { // [HGM] book: simulate book reply
14838 static char bookMove[MSG_SIZ]; // a bit generous?
14840 programStats.nodes = programStats.depth = programStats.time =
14841 programStats.score = programStats.got_only_move = 0;
14842 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14844 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14845 strcat(bookMove, bookHit);
14846 HandleMachineMove(bookMove, &first);
14852 DisplayTwoMachinesTitle ()
14855 if (appData.matchGames > 0) {
14856 if(appData.tourneyFile[0]) {
14857 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14858 gameInfo.white, _("vs."), gameInfo.black,
14859 nextGame+1, appData.matchGames+1,
14860 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14862 if (first.twoMachinesColor[0] == 'w') {
14863 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14864 gameInfo.white, _("vs."), gameInfo.black,
14865 first.matchWins, second.matchWins,
14866 matchGame - 1 - (first.matchWins + second.matchWins));
14868 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14869 gameInfo.white, _("vs."), gameInfo.black,
14870 second.matchWins, first.matchWins,
14871 matchGame - 1 - (first.matchWins + second.matchWins));
14874 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14880 SettingsMenuIfReady ()
14882 if (second.lastPing != second.lastPong) {
14883 DisplayMessage("", _("Waiting for second chess program"));
14884 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14888 DisplayMessage("", "");
14889 SettingsPopUp(&second);
14893 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14896 if (cps->pr == NoProc) {
14897 StartChessProgram(cps);
14898 if (cps->protocolVersion == 1) {
14900 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14902 /* kludge: allow timeout for initial "feature" command */
14903 if(retry != TwoMachinesEventIfReady) FreezeUI();
14904 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14905 DisplayMessage("", buf);
14906 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14914 TwoMachinesEvent P((void))
14918 ChessProgramState *onmove;
14919 char *bookHit = NULL;
14920 static int stalling = 0;
14924 if (appData.noChessProgram) return;
14926 switch (gameMode) {
14927 case TwoMachinesPlay:
14929 case MachinePlaysWhite:
14930 case MachinePlaysBlack:
14931 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14932 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14936 case BeginningOfGame:
14937 case PlayFromGameFile:
14940 if (gameMode != EditGame) return;
14943 EditPositionDone(TRUE);
14954 // forwardMostMove = currentMove;
14955 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14956 startingEngine = TRUE;
14958 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14960 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14961 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14962 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14965 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14967 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14968 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14969 startingEngine = matchMode = FALSE;
14970 DisplayError("second engine does not play this", 0);
14971 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14972 EditGameEvent(); // switch back to EditGame mode
14977 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14978 SendToProgram("force\n", &second);
14980 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14983 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14984 if(appData.matchPause>10000 || appData.matchPause<10)
14985 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14986 wait = SubtractTimeMarks(&now, &pauseStart);
14987 if(wait < appData.matchPause) {
14988 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14991 // we are now committed to starting the game
14993 DisplayMessage("", "");
14994 if (startedFromSetupPosition) {
14995 SendBoard(&second, backwardMostMove);
14996 if (appData.debugMode) {
14997 fprintf(debugFP, "Two Machines\n");
15000 for (i = backwardMostMove; i < forwardMostMove; i++) {
15001 SendMoveToProgram(i, &second);
15004 gameMode = TwoMachinesPlay;
15005 pausing = startingEngine = FALSE;
15006 ModeHighlight(); // [HGM] logo: this triggers display update of logos
15008 DisplayTwoMachinesTitle();
15010 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
15015 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
15016 SendToProgram(first.computerString, &first);
15017 if (first.sendName) {
15018 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15019 SendToProgram(buf, &first);
15021 SendToProgram(second.computerString, &second);
15022 if (second.sendName) {
15023 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15024 SendToProgram(buf, &second);
15028 if (!first.sendTime || !second.sendTime) {
15029 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15030 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15032 if (onmove->sendTime) {
15033 if (onmove->useColors) {
15034 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15036 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15038 if (onmove->useColors) {
15039 SendToProgram(onmove->twoMachinesColor, onmove);
15041 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15042 // SendToProgram("go\n", onmove);
15043 onmove->maybeThinking = TRUE;
15044 SetMachineThinkingEnables();
15048 if(bookHit) { // [HGM] book: simulate book reply
15049 static char bookMove[MSG_SIZ]; // a bit generous?
15051 programStats.nodes = programStats.depth = programStats.time =
15052 programStats.score = programStats.got_only_move = 0;
15053 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15055 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15056 strcat(bookMove, bookHit);
15057 savedMessage = bookMove; // args for deferred call
15058 savedState = onmove;
15059 ScheduleDelayedEvent(DeferredBookMove, 1);
15066 if (gameMode == Training) {
15067 SetTrainingModeOff();
15068 gameMode = PlayFromGameFile;
15069 DisplayMessage("", _("Training mode off"));
15071 gameMode = Training;
15072 animateTraining = appData.animate;
15074 /* make sure we are not already at the end of the game */
15075 if (currentMove < forwardMostMove) {
15076 SetTrainingModeOn();
15077 DisplayMessage("", _("Training mode on"));
15079 gameMode = PlayFromGameFile;
15080 DisplayError(_("Already at end of game"), 0);
15089 if (!appData.icsActive) return;
15090 switch (gameMode) {
15091 case IcsPlayingWhite:
15092 case IcsPlayingBlack:
15095 case BeginningOfGame:
15103 EditPositionDone(TRUE);
15116 gameMode = IcsIdle;
15126 switch (gameMode) {
15128 SetTrainingModeOff();
15130 case MachinePlaysWhite:
15131 case MachinePlaysBlack:
15132 case BeginningOfGame:
15133 SendToProgram("force\n", &first);
15134 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15135 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15137 abortEngineThink = TRUE;
15138 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15139 SendToProgram(buf, &first);
15140 DisplayMessage("Aborting engine think", "");
15144 SetUserThinkingEnables();
15146 case PlayFromGameFile:
15147 (void) StopLoadGameTimer();
15148 if (gameFileFP != NULL) {
15153 EditPositionDone(TRUE);
15158 SendToProgram("force\n", &first);
15160 case TwoMachinesPlay:
15161 GameEnds(EndOfFile, NULL, GE_PLAYER);
15162 ResurrectChessProgram();
15163 SetUserThinkingEnables();
15166 ResurrectChessProgram();
15168 case IcsPlayingBlack:
15169 case IcsPlayingWhite:
15170 DisplayError(_("Warning: You are still playing a game"), 0);
15173 DisplayError(_("Warning: You are still observing a game"), 0);
15176 DisplayError(_("Warning: You are still examining a game"), 0);
15187 first.offeredDraw = second.offeredDraw = 0;
15189 if (gameMode == PlayFromGameFile) {
15190 whiteTimeRemaining = timeRemaining[0][currentMove];
15191 blackTimeRemaining = timeRemaining[1][currentMove];
15195 if (gameMode == MachinePlaysWhite ||
15196 gameMode == MachinePlaysBlack ||
15197 gameMode == TwoMachinesPlay ||
15198 gameMode == EndOfGame) {
15199 i = forwardMostMove;
15200 while (i > currentMove) {
15201 SendToProgram("undo\n", &first);
15204 if(!adjustedClock) {
15205 whiteTimeRemaining = timeRemaining[0][currentMove];
15206 blackTimeRemaining = timeRemaining[1][currentMove];
15207 DisplayBothClocks();
15209 if (whiteFlag || blackFlag) {
15210 whiteFlag = blackFlag = 0;
15215 gameMode = EditGame;
15222 EditPositionEvent ()
15224 if (gameMode == EditPosition) {
15230 if (gameMode != EditGame) return;
15232 gameMode = EditPosition;
15235 if (currentMove > 0)
15236 CopyBoard(boards[0], boards[currentMove]);
15238 blackPlaysFirst = !WhiteOnMove(currentMove);
15240 currentMove = forwardMostMove = backwardMostMove = 0;
15241 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15243 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15249 /* [DM] icsEngineAnalyze - possible call from other functions */
15250 if (appData.icsEngineAnalyze) {
15251 appData.icsEngineAnalyze = FALSE;
15253 DisplayMessage("",_("Close ICS engine analyze..."));
15255 if (first.analysisSupport && first.analyzing) {
15256 SendToBoth("exit\n");
15257 first.analyzing = second.analyzing = FALSE;
15259 thinkOutput[0] = NULLCHAR;
15263 EditPositionDone (Boolean fakeRights)
15265 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15267 startedFromSetupPosition = TRUE;
15268 InitChessProgram(&first, FALSE);
15269 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15270 boards[0][EP_STATUS] = EP_NONE;
15271 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15272 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15273 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15274 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15275 } else boards[0][CASTLING][2] = NoRights;
15276 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15277 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15278 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15279 } else boards[0][CASTLING][5] = NoRights;
15280 if(gameInfo.variant == VariantSChess) {
15282 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15283 boards[0][VIRGIN][i] = 0;
15284 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15285 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15289 SendToProgram("force\n", &first);
15290 if (blackPlaysFirst) {
15291 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15292 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15293 currentMove = forwardMostMove = backwardMostMove = 1;
15294 CopyBoard(boards[1], boards[0]);
15296 currentMove = forwardMostMove = backwardMostMove = 0;
15298 SendBoard(&first, forwardMostMove);
15299 if (appData.debugMode) {
15300 fprintf(debugFP, "EditPosDone\n");
15303 DisplayMessage("", "");
15304 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15305 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15306 gameMode = EditGame;
15308 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15309 ClearHighlights(); /* [AS] */
15312 /* Pause for `ms' milliseconds */
15313 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15315 TimeDelay (long ms)
15322 } while (SubtractTimeMarks(&m2, &m1) < ms);
15325 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15327 SendMultiLineToICS (char *buf)
15329 char temp[MSG_SIZ+1], *p;
15336 strncpy(temp, buf, len);
15341 if (*p == '\n' || *p == '\r')
15346 strcat(temp, "\n");
15348 SendToPlayer(temp, strlen(temp));
15352 SetWhiteToPlayEvent ()
15354 if (gameMode == EditPosition) {
15355 blackPlaysFirst = FALSE;
15356 DisplayBothClocks(); /* works because currentMove is 0 */
15357 } else if (gameMode == IcsExamining) {
15358 SendToICS(ics_prefix);
15359 SendToICS("tomove white\n");
15364 SetBlackToPlayEvent ()
15366 if (gameMode == EditPosition) {
15367 blackPlaysFirst = TRUE;
15368 currentMove = 1; /* kludge */
15369 DisplayBothClocks();
15371 } else if (gameMode == IcsExamining) {
15372 SendToICS(ics_prefix);
15373 SendToICS("tomove black\n");
15378 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15381 ChessSquare piece = boards[0][y][x];
15382 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15383 static int lastVariant;
15385 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15387 switch (selection) {
15389 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15390 MarkTargetSquares(1);
15391 CopyBoard(currentBoard, boards[0]);
15392 CopyBoard(menuBoard, initialPosition);
15393 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15394 SendToICS(ics_prefix);
15395 SendToICS("bsetup clear\n");
15396 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15397 SendToICS(ics_prefix);
15398 SendToICS("clearboard\n");
15401 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15402 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15403 for (y = 0; y < BOARD_HEIGHT; y++) {
15404 if (gameMode == IcsExamining) {
15405 if (boards[currentMove][y][x] != EmptySquare) {
15406 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15410 } else if(boards[0][y][x] != DarkSquare) {
15411 if(boards[0][y][x] != p) nonEmpty++;
15412 boards[0][y][x] = p;
15416 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15418 for(r = 0; r < BOARD_HEIGHT; r++) {
15419 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15420 ChessSquare p = menuBoard[r][x];
15421 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15424 DisplayMessage("Clicking clock again restores position", "");
15425 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15426 if(!nonEmpty) { // asked to clear an empty board
15427 CopyBoard(boards[0], menuBoard);
15429 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15430 CopyBoard(boards[0], initialPosition);
15432 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15433 && !CompareBoards(nullBoard, erasedBoard)) {
15434 CopyBoard(boards[0], erasedBoard);
15436 CopyBoard(erasedBoard, currentBoard);
15440 if (gameMode == EditPosition) {
15441 DrawPosition(FALSE, boards[0]);
15446 SetWhiteToPlayEvent();
15450 SetBlackToPlayEvent();
15454 if (gameMode == IcsExamining) {
15455 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15456 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15459 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15460 if(x == BOARD_LEFT-2) {
15461 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15462 boards[0][y][1] = 0;
15464 if(x == BOARD_RGHT+1) {
15465 if(y >= gameInfo.holdingsSize) break;
15466 boards[0][y][BOARD_WIDTH-2] = 0;
15469 boards[0][y][x] = EmptySquare;
15470 DrawPosition(FALSE, boards[0]);
15475 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15476 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15477 selection = (ChessSquare) (PROMOTED(piece));
15478 } else if(piece == EmptySquare) selection = WhiteSilver;
15479 else selection = (ChessSquare)((int)piece - 1);
15483 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15484 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15485 selection = (ChessSquare) (DEMOTED(piece));
15486 } else if(piece == EmptySquare) selection = BlackSilver;
15487 else selection = (ChessSquare)((int)piece + 1);
15492 if(gameInfo.variant == VariantShatranj ||
15493 gameInfo.variant == VariantXiangqi ||
15494 gameInfo.variant == VariantCourier ||
15495 gameInfo.variant == VariantASEAN ||
15496 gameInfo.variant == VariantMakruk )
15497 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15502 if(gameInfo.variant == VariantXiangqi)
15503 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15504 if(gameInfo.variant == VariantKnightmate)
15505 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15508 if (gameMode == IcsExamining) {
15509 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15510 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15511 PieceToChar(selection), AAA + x, ONE + y);
15514 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15516 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15517 n = PieceToNumber(selection - BlackPawn);
15518 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15519 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15520 boards[0][BOARD_HEIGHT-1-n][1]++;
15522 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15523 n = PieceToNumber(selection);
15524 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15525 boards[0][n][BOARD_WIDTH-1] = selection;
15526 boards[0][n][BOARD_WIDTH-2]++;
15529 boards[0][y][x] = selection;
15530 DrawPosition(TRUE, boards[0]);
15532 fromX = fromY = -1;
15540 DropMenuEvent (ChessSquare selection, int x, int y)
15542 ChessMove moveType;
15544 switch (gameMode) {
15545 case IcsPlayingWhite:
15546 case MachinePlaysBlack:
15547 if (!WhiteOnMove(currentMove)) {
15548 DisplayMoveError(_("It is Black's turn"));
15551 moveType = WhiteDrop;
15553 case IcsPlayingBlack:
15554 case MachinePlaysWhite:
15555 if (WhiteOnMove(currentMove)) {
15556 DisplayMoveError(_("It is White's turn"));
15559 moveType = BlackDrop;
15562 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15568 if (moveType == BlackDrop && selection < BlackPawn) {
15569 selection = (ChessSquare) ((int) selection
15570 + (int) BlackPawn - (int) WhitePawn);
15572 if (boards[currentMove][y][x] != EmptySquare) {
15573 DisplayMoveError(_("That square is occupied"));
15577 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15583 /* Accept a pending offer of any kind from opponent */
15585 if (appData.icsActive) {
15586 SendToICS(ics_prefix);
15587 SendToICS("accept\n");
15588 } else if (cmailMsgLoaded) {
15589 if (currentMove == cmailOldMove &&
15590 commentList[cmailOldMove] != NULL &&
15591 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15592 "Black offers a draw" : "White offers a draw")) {
15594 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15595 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15597 DisplayError(_("There is no pending offer on this move"), 0);
15598 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15601 /* Not used for offers from chess program */
15608 /* Decline a pending offer of any kind from opponent */
15610 if (appData.icsActive) {
15611 SendToICS(ics_prefix);
15612 SendToICS("decline\n");
15613 } else if (cmailMsgLoaded) {
15614 if (currentMove == cmailOldMove &&
15615 commentList[cmailOldMove] != NULL &&
15616 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15617 "Black offers a draw" : "White offers a draw")) {
15619 AppendComment(cmailOldMove, "Draw declined", TRUE);
15620 DisplayComment(cmailOldMove - 1, "Draw declined");
15623 DisplayError(_("There is no pending offer on this move"), 0);
15626 /* Not used for offers from chess program */
15633 /* Issue ICS rematch command */
15634 if (appData.icsActive) {
15635 SendToICS(ics_prefix);
15636 SendToICS("rematch\n");
15643 /* Call your opponent's flag (claim a win on time) */
15644 if (appData.icsActive) {
15645 SendToICS(ics_prefix);
15646 SendToICS("flag\n");
15648 switch (gameMode) {
15651 case MachinePlaysWhite:
15654 GameEnds(GameIsDrawn, "Both players ran out of time",
15657 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15659 DisplayError(_("Your opponent is not out of time"), 0);
15662 case MachinePlaysBlack:
15665 GameEnds(GameIsDrawn, "Both players ran out of time",
15668 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15670 DisplayError(_("Your opponent is not out of time"), 0);
15678 ClockClick (int which)
15679 { // [HGM] code moved to back-end from winboard.c
15680 if(which) { // black clock
15681 if (gameMode == EditPosition || gameMode == IcsExamining) {
15682 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15683 SetBlackToPlayEvent();
15684 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15685 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15686 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15687 } else if (shiftKey) {
15688 AdjustClock(which, -1);
15689 } else if (gameMode == IcsPlayingWhite ||
15690 gameMode == MachinePlaysBlack) {
15693 } else { // white clock
15694 if (gameMode == EditPosition || gameMode == IcsExamining) {
15695 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15696 SetWhiteToPlayEvent();
15697 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15698 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15699 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15700 } else if (shiftKey) {
15701 AdjustClock(which, -1);
15702 } else if (gameMode == IcsPlayingBlack ||
15703 gameMode == MachinePlaysWhite) {
15712 /* Offer draw or accept pending draw offer from opponent */
15714 if (appData.icsActive) {
15715 /* Note: tournament rules require draw offers to be
15716 made after you make your move but before you punch
15717 your clock. Currently ICS doesn't let you do that;
15718 instead, you immediately punch your clock after making
15719 a move, but you can offer a draw at any time. */
15721 SendToICS(ics_prefix);
15722 SendToICS("draw\n");
15723 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15724 } else if (cmailMsgLoaded) {
15725 if (currentMove == cmailOldMove &&
15726 commentList[cmailOldMove] != NULL &&
15727 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15728 "Black offers a draw" : "White offers a draw")) {
15729 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15730 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15731 } else if (currentMove == cmailOldMove + 1) {
15732 char *offer = WhiteOnMove(cmailOldMove) ?
15733 "White offers a draw" : "Black offers a draw";
15734 AppendComment(currentMove, offer, TRUE);
15735 DisplayComment(currentMove - 1, offer);
15736 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15738 DisplayError(_("You must make your move before offering a draw"), 0);
15739 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15741 } else if (first.offeredDraw) {
15742 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15744 if (first.sendDrawOffers) {
15745 SendToProgram("draw\n", &first);
15746 userOfferedDraw = TRUE;
15754 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15756 if (appData.icsActive) {
15757 SendToICS(ics_prefix);
15758 SendToICS("adjourn\n");
15760 /* Currently GNU Chess doesn't offer or accept Adjourns */
15768 /* Offer Abort or accept pending Abort offer from opponent */
15770 if (appData.icsActive) {
15771 SendToICS(ics_prefix);
15772 SendToICS("abort\n");
15774 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15781 /* Resign. You can do this even if it's not your turn. */
15783 if (appData.icsActive) {
15784 SendToICS(ics_prefix);
15785 SendToICS("resign\n");
15787 switch (gameMode) {
15788 case MachinePlaysWhite:
15789 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15791 case MachinePlaysBlack:
15792 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15795 if (cmailMsgLoaded) {
15797 if (WhiteOnMove(cmailOldMove)) {
15798 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15800 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15802 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15813 StopObservingEvent ()
15815 /* Stop observing current games */
15816 SendToICS(ics_prefix);
15817 SendToICS("unobserve\n");
15821 StopExaminingEvent ()
15823 /* Stop observing current game */
15824 SendToICS(ics_prefix);
15825 SendToICS("unexamine\n");
15829 ForwardInner (int target)
15831 int limit; int oldSeekGraphUp = seekGraphUp;
15833 if (appData.debugMode)
15834 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15835 target, currentMove, forwardMostMove);
15837 if (gameMode == EditPosition)
15840 seekGraphUp = FALSE;
15841 MarkTargetSquares(1);
15842 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15844 if (gameMode == PlayFromGameFile && !pausing)
15847 if (gameMode == IcsExamining && pausing)
15848 limit = pauseExamForwardMostMove;
15850 limit = forwardMostMove;
15852 if (target > limit) target = limit;
15854 if (target > 0 && moveList[target - 1][0]) {
15855 int fromX, fromY, toX, toY;
15856 toX = moveList[target - 1][2] - AAA;
15857 toY = moveList[target - 1][3] - ONE;
15858 if (moveList[target - 1][1] == '@') {
15859 if (appData.highlightLastMove) {
15860 SetHighlights(-1, -1, toX, toY);
15863 int viaX = moveList[target - 1][5] - AAA;
15864 int viaY = moveList[target - 1][6] - ONE;
15865 fromX = moveList[target - 1][0] - AAA;
15866 fromY = moveList[target - 1][1] - ONE;
15867 if (target == currentMove + 1) {
15868 if(moveList[target - 1][4] == ';') { // multi-leg
15869 ChessSquare piece = boards[currentMove][viaY][viaX];
15870 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15871 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15872 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15873 boards[currentMove][viaY][viaX] = piece;
15875 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15877 if (appData.highlightLastMove) {
15878 SetHighlights(fromX, fromY, toX, toY);
15882 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15883 gameMode == Training || gameMode == PlayFromGameFile ||
15884 gameMode == AnalyzeFile) {
15885 while (currentMove < target) {
15886 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15887 SendMoveToProgram(currentMove++, &first);
15890 currentMove = target;
15893 if (gameMode == EditGame || gameMode == EndOfGame) {
15894 whiteTimeRemaining = timeRemaining[0][currentMove];
15895 blackTimeRemaining = timeRemaining[1][currentMove];
15897 DisplayBothClocks();
15898 DisplayMove(currentMove - 1);
15899 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15900 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15901 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15902 DisplayComment(currentMove - 1, commentList[currentMove]);
15904 ClearMap(); // [HGM] exclude: invalidate map
15911 if (gameMode == IcsExamining && !pausing) {
15912 SendToICS(ics_prefix);
15913 SendToICS("forward\n");
15915 ForwardInner(currentMove + 1);
15922 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15923 /* to optimze, we temporarily turn off analysis mode while we feed
15924 * the remaining moves to the engine. Otherwise we get analysis output
15927 if (first.analysisSupport) {
15928 SendToProgram("exit\nforce\n", &first);
15929 first.analyzing = FALSE;
15933 if (gameMode == IcsExamining && !pausing) {
15934 SendToICS(ics_prefix);
15935 SendToICS("forward 999999\n");
15937 ForwardInner(forwardMostMove);
15940 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15941 /* we have fed all the moves, so reactivate analysis mode */
15942 SendToProgram("analyze\n", &first);
15943 first.analyzing = TRUE;
15944 /*first.maybeThinking = TRUE;*/
15945 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15950 BackwardInner (int target)
15952 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15954 if (appData.debugMode)
15955 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15956 target, currentMove, forwardMostMove);
15958 if (gameMode == EditPosition) return;
15959 seekGraphUp = FALSE;
15960 MarkTargetSquares(1);
15961 fromX = fromY = killX = killY = kill2X = kill2Y = -1; // [HGM] abort any move entry in progress
15962 if (currentMove <= backwardMostMove) {
15964 DrawPosition(full_redraw, boards[currentMove]);
15967 if (gameMode == PlayFromGameFile && !pausing)
15970 if (moveList[target][0]) {
15971 int fromX, fromY, toX, toY;
15972 toX = moveList[target][2] - AAA;
15973 toY = moveList[target][3] - ONE;
15974 if (moveList[target][1] == '@') {
15975 if (appData.highlightLastMove) {
15976 SetHighlights(-1, -1, toX, toY);
15979 fromX = moveList[target][0] - AAA;
15980 fromY = moveList[target][1] - ONE;
15981 if (target == currentMove - 1) {
15982 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15984 if (appData.highlightLastMove) {
15985 SetHighlights(fromX, fromY, toX, toY);
15989 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15990 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15991 while (currentMove > target) {
15992 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15993 // null move cannot be undone. Reload program with move history before it.
15995 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15996 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15998 SendBoard(&first, i);
15999 if(second.analyzing) SendBoard(&second, i);
16000 for(currentMove=i; currentMove<target; currentMove++) {
16001 SendMoveToProgram(currentMove, &first);
16002 if(second.analyzing) SendMoveToProgram(currentMove, &second);
16006 SendToBoth("undo\n");
16010 currentMove = target;
16013 if (gameMode == EditGame || gameMode == EndOfGame) {
16014 whiteTimeRemaining = timeRemaining[0][currentMove];
16015 blackTimeRemaining = timeRemaining[1][currentMove];
16017 DisplayBothClocks();
16018 DisplayMove(currentMove - 1);
16019 DrawPosition(full_redraw, boards[currentMove]);
16020 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16021 // [HGM] PV info: routine tests if comment empty
16022 DisplayComment(currentMove - 1, commentList[currentMove]);
16023 ClearMap(); // [HGM] exclude: invalidate map
16029 if (gameMode == IcsExamining && !pausing) {
16030 SendToICS(ics_prefix);
16031 SendToICS("backward\n");
16033 BackwardInner(currentMove - 1);
16040 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16041 /* to optimize, we temporarily turn off analysis mode while we undo
16042 * all the moves. Otherwise we get analysis output after each undo.
16044 if (first.analysisSupport) {
16045 SendToProgram("exit\nforce\n", &first);
16046 first.analyzing = FALSE;
16050 if (gameMode == IcsExamining && !pausing) {
16051 SendToICS(ics_prefix);
16052 SendToICS("backward 999999\n");
16054 BackwardInner(backwardMostMove);
16057 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16058 /* we have fed all the moves, so reactivate analysis mode */
16059 SendToProgram("analyze\n", &first);
16060 first.analyzing = TRUE;
16061 /*first.maybeThinking = TRUE;*/
16062 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16069 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16070 if (to >= forwardMostMove) to = forwardMostMove;
16071 if (to <= backwardMostMove) to = backwardMostMove;
16072 if (to < currentMove) {
16080 RevertEvent (Boolean annotate)
16082 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16085 if (gameMode != IcsExamining) {
16086 DisplayError(_("You are not examining a game"), 0);
16090 DisplayError(_("You can't revert while pausing"), 0);
16093 SendToICS(ics_prefix);
16094 SendToICS("revert\n");
16098 RetractMoveEvent ()
16100 switch (gameMode) {
16101 case MachinePlaysWhite:
16102 case MachinePlaysBlack:
16103 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16104 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16107 if (forwardMostMove < 2) return;
16108 currentMove = forwardMostMove = forwardMostMove - 2;
16109 whiteTimeRemaining = timeRemaining[0][currentMove];
16110 blackTimeRemaining = timeRemaining[1][currentMove];
16111 DisplayBothClocks();
16112 DisplayMove(currentMove - 1);
16113 ClearHighlights();/*!! could figure this out*/
16114 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16115 SendToProgram("remove\n", &first);
16116 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16119 case BeginningOfGame:
16123 case IcsPlayingWhite:
16124 case IcsPlayingBlack:
16125 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16126 SendToICS(ics_prefix);
16127 SendToICS("takeback 2\n");
16129 SendToICS(ics_prefix);
16130 SendToICS("takeback 1\n");
16139 ChessProgramState *cps;
16141 switch (gameMode) {
16142 case MachinePlaysWhite:
16143 if (!WhiteOnMove(forwardMostMove)) {
16144 DisplayError(_("It is your turn"), 0);
16149 case MachinePlaysBlack:
16150 if (WhiteOnMove(forwardMostMove)) {
16151 DisplayError(_("It is your turn"), 0);
16156 case TwoMachinesPlay:
16157 if (WhiteOnMove(forwardMostMove) ==
16158 (first.twoMachinesColor[0] == 'w')) {
16164 case BeginningOfGame:
16168 SendToProgram("?\n", cps);
16172 TruncateGameEvent ()
16175 if (gameMode != EditGame) return;
16182 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16183 if (forwardMostMove > currentMove) {
16184 if (gameInfo.resultDetails != NULL) {
16185 free(gameInfo.resultDetails);
16186 gameInfo.resultDetails = NULL;
16187 gameInfo.result = GameUnfinished;
16189 forwardMostMove = currentMove;
16190 HistorySet(parseList, backwardMostMove, forwardMostMove,
16198 if (appData.noChessProgram) return;
16199 switch (gameMode) {
16200 case MachinePlaysWhite:
16201 if (WhiteOnMove(forwardMostMove)) {
16202 DisplayError(_("Wait until your turn."), 0);
16206 case BeginningOfGame:
16207 case MachinePlaysBlack:
16208 if (!WhiteOnMove(forwardMostMove)) {
16209 DisplayError(_("Wait until your turn."), 0);
16214 DisplayError(_("No hint available"), 0);
16217 SendToProgram("hint\n", &first);
16218 hintRequested = TRUE;
16222 SaveSelected (FILE *g, int dummy, char *dummy2)
16224 ListGame * lg = (ListGame *) gameList.head;
16228 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16229 DisplayError(_("Game list not loaded or empty"), 0);
16233 creatingBook = TRUE; // suppresses stuff during load game
16235 /* Get list size */
16236 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16237 if(lg->position >= 0) { // selected?
16238 LoadGame(f, nItem, "", TRUE);
16239 SaveGamePGN2(g); // leaves g open
16242 lg = (ListGame *) lg->node.succ;
16246 creatingBook = FALSE;
16254 ListGame * lg = (ListGame *) gameList.head;
16257 static int secondTime = FALSE;
16259 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16260 DisplayError(_("Game list not loaded or empty"), 0);
16264 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16267 DisplayNote(_("Book file exists! Try again for overwrite."));
16271 creatingBook = TRUE;
16272 secondTime = FALSE;
16274 /* Get list size */
16275 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16276 if(lg->position >= 0) {
16277 LoadGame(f, nItem, "", TRUE);
16278 AddGameToBook(TRUE);
16281 lg = (ListGame *) lg->node.succ;
16284 creatingBook = FALSE;
16291 if (appData.noChessProgram) return;
16292 switch (gameMode) {
16293 case MachinePlaysWhite:
16294 if (WhiteOnMove(forwardMostMove)) {
16295 DisplayError(_("Wait until your turn."), 0);
16299 case BeginningOfGame:
16300 case MachinePlaysBlack:
16301 if (!WhiteOnMove(forwardMostMove)) {
16302 DisplayError(_("Wait until your turn."), 0);
16307 EditPositionDone(TRUE);
16309 case TwoMachinesPlay:
16314 SendToProgram("bk\n", &first);
16315 bookOutput[0] = NULLCHAR;
16316 bookRequested = TRUE;
16322 char *tags = PGNTags(&gameInfo);
16323 TagsPopUp(tags, CmailMsg());
16327 /* end button procedures */
16330 PrintPosition (FILE *fp, int move)
16334 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16335 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16336 char c = PieceToChar(boards[move][i][j]);
16337 fputc(c == '?' ? '.' : c, fp);
16338 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16341 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16342 fprintf(fp, "white to play\n");
16344 fprintf(fp, "black to play\n");
16348 PrintOpponents (FILE *fp)
16350 if (gameInfo.white != NULL) {
16351 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16357 /* Find last component of program's own name, using some heuristics */
16359 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16362 int local = (strcmp(host, "localhost") == 0);
16363 while (!local && (p = strchr(prog, ';')) != NULL) {
16365 while (*p == ' ') p++;
16368 if (*prog == '"' || *prog == '\'') {
16369 q = strchr(prog + 1, *prog);
16371 q = strchr(prog, ' ');
16373 if (q == NULL) q = prog + strlen(prog);
16375 while (p >= prog && *p != '/' && *p != '\\') p--;
16377 if(p == prog && *p == '"') p++;
16379 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16380 memcpy(buf, p, q - p);
16381 buf[q - p] = NULLCHAR;
16389 TimeControlTagValue ()
16392 if (!appData.clockMode) {
16393 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16394 } else if (movesPerSession > 0) {
16395 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16396 } else if (timeIncrement == 0) {
16397 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16399 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16401 return StrSave(buf);
16407 /* This routine is used only for certain modes */
16408 VariantClass v = gameInfo.variant;
16409 ChessMove r = GameUnfinished;
16412 if(keepInfo) return;
16414 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16415 r = gameInfo.result;
16416 p = gameInfo.resultDetails;
16417 gameInfo.resultDetails = NULL;
16419 ClearGameInfo(&gameInfo);
16420 gameInfo.variant = v;
16422 switch (gameMode) {
16423 case MachinePlaysWhite:
16424 gameInfo.event = StrSave( appData.pgnEventHeader );
16425 gameInfo.site = StrSave(HostName());
16426 gameInfo.date = PGNDate();
16427 gameInfo.round = StrSave("-");
16428 gameInfo.white = StrSave(first.tidy);
16429 gameInfo.black = StrSave(UserName());
16430 gameInfo.timeControl = TimeControlTagValue();
16433 case MachinePlaysBlack:
16434 gameInfo.event = StrSave( appData.pgnEventHeader );
16435 gameInfo.site = StrSave(HostName());
16436 gameInfo.date = PGNDate();
16437 gameInfo.round = StrSave("-");
16438 gameInfo.white = StrSave(UserName());
16439 gameInfo.black = StrSave(first.tidy);
16440 gameInfo.timeControl = TimeControlTagValue();
16443 case TwoMachinesPlay:
16444 gameInfo.event = StrSave( appData.pgnEventHeader );
16445 gameInfo.site = StrSave(HostName());
16446 gameInfo.date = PGNDate();
16449 snprintf(buf, MSG_SIZ, "%d", roundNr);
16450 gameInfo.round = StrSave(buf);
16452 gameInfo.round = StrSave("-");
16454 if (first.twoMachinesColor[0] == 'w') {
16455 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16456 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16458 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16459 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16461 gameInfo.timeControl = TimeControlTagValue();
16465 gameInfo.event = StrSave("Edited game");
16466 gameInfo.site = StrSave(HostName());
16467 gameInfo.date = PGNDate();
16468 gameInfo.round = StrSave("-");
16469 gameInfo.white = StrSave("-");
16470 gameInfo.black = StrSave("-");
16471 gameInfo.result = r;
16472 gameInfo.resultDetails = p;
16476 gameInfo.event = StrSave("Edited position");
16477 gameInfo.site = StrSave(HostName());
16478 gameInfo.date = PGNDate();
16479 gameInfo.round = StrSave("-");
16480 gameInfo.white = StrSave("-");
16481 gameInfo.black = StrSave("-");
16484 case IcsPlayingWhite:
16485 case IcsPlayingBlack:
16490 case PlayFromGameFile:
16491 gameInfo.event = StrSave("Game from non-PGN file");
16492 gameInfo.site = StrSave(HostName());
16493 gameInfo.date = PGNDate();
16494 gameInfo.round = StrSave("-");
16495 gameInfo.white = StrSave("?");
16496 gameInfo.black = StrSave("?");
16505 ReplaceComment (int index, char *text)
16511 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16512 pvInfoList[index-1].depth == len &&
16513 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16514 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16515 while (*text == '\n') text++;
16516 len = strlen(text);
16517 while (len > 0 && text[len - 1] == '\n') len--;
16519 if (commentList[index] != NULL)
16520 free(commentList[index]);
16523 commentList[index] = NULL;
16526 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16527 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16528 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16529 commentList[index] = (char *) malloc(len + 2);
16530 strncpy(commentList[index], text, len);
16531 commentList[index][len] = '\n';
16532 commentList[index][len + 1] = NULLCHAR;
16534 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16536 commentList[index] = (char *) malloc(len + 7);
16537 safeStrCpy(commentList[index], "{\n", 3);
16538 safeStrCpy(commentList[index]+2, text, len+1);
16539 commentList[index][len+2] = NULLCHAR;
16540 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16541 strcat(commentList[index], "\n}\n");
16546 CrushCRs (char *text)
16554 if (ch == '\r') continue;
16556 } while (ch != '\0');
16560 AppendComment (int index, char *text, Boolean addBraces)
16561 /* addBraces tells if we should add {} */
16566 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16567 if(addBraces == 3) addBraces = 0; else // force appending literally
16568 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16571 while (*text == '\n') text++;
16572 len = strlen(text);
16573 while (len > 0 && text[len - 1] == '\n') len--;
16574 text[len] = NULLCHAR;
16576 if (len == 0) return;
16578 if (commentList[index] != NULL) {
16579 Boolean addClosingBrace = addBraces;
16580 old = commentList[index];
16581 oldlen = strlen(old);
16582 while(commentList[index][oldlen-1] == '\n')
16583 commentList[index][--oldlen] = NULLCHAR;
16584 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16585 safeStrCpy(commentList[index], old, oldlen + len + 6);
16587 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16588 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16589 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16590 while (*text == '\n') { text++; len--; }
16591 commentList[index][--oldlen] = NULLCHAR;
16593 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16594 else strcat(commentList[index], "\n");
16595 strcat(commentList[index], text);
16596 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16597 else strcat(commentList[index], "\n");
16599 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16601 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16602 else commentList[index][0] = NULLCHAR;
16603 strcat(commentList[index], text);
16604 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16605 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16610 FindStr (char * text, char * sub_text)
16612 char * result = strstr( text, sub_text );
16614 if( result != NULL ) {
16615 result += strlen( sub_text );
16621 /* [AS] Try to extract PV info from PGN comment */
16622 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16624 GetInfoFromComment (int index, char * text)
16626 char * sep = text, *p;
16628 if( text != NULL && index > 0 ) {
16631 int time = -1, sec = 0, deci;
16632 char * s_eval = FindStr( text, "[%eval " );
16633 char * s_emt = FindStr( text, "[%emt " );
16635 if( s_eval != NULL || s_emt != NULL ) {
16637 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16642 if( s_eval != NULL ) {
16643 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16647 if( delim != ']' ) {
16652 if( s_emt != NULL ) {
16657 /* We expect something like: [+|-]nnn.nn/dd */
16660 if(*text != '{') return text; // [HGM] braces: must be normal comment
16662 sep = strchr( text, '/' );
16663 if( sep == NULL || sep < (text+4) ) {
16668 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16669 if(p[1] == '(') { // comment starts with PV
16670 p = strchr(p, ')'); // locate end of PV
16671 if(p == NULL || sep < p+5) return text;
16672 // at this point we have something like "{(.*) +0.23/6 ..."
16673 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16674 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16675 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16677 time = -1; sec = -1; deci = -1;
16678 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16679 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16680 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16681 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16685 if( score_lo < 0 || score_lo >= 100 ) {
16689 if(sec >= 0) time = 600*time + 10*sec; else
16690 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16692 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16694 /* [HGM] PV time: now locate end of PV info */
16695 while( *++sep >= '0' && *sep <= '9'); // strip depth
16697 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16699 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16701 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16702 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16713 pvInfoList[index-1].depth = depth;
16714 pvInfoList[index-1].score = score;
16715 pvInfoList[index-1].time = 10*time; // centi-sec
16716 if(*sep == '}') *sep = 0; else *--sep = '{';
16717 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16723 SendToProgram (char *message, ChessProgramState *cps)
16725 int count, outCount, error;
16728 if (cps->pr == NoProc) return;
16731 if (appData.debugMode) {
16734 fprintf(debugFP, "%ld >%-6s: %s",
16735 SubtractTimeMarks(&now, &programStartTime),
16736 cps->which, message);
16738 fprintf(serverFP, "%ld >%-6s: %s",
16739 SubtractTimeMarks(&now, &programStartTime),
16740 cps->which, message), fflush(serverFP);
16743 count = strlen(message);
16744 outCount = OutputToProcess(cps->pr, message, count, &error);
16745 if (outCount < count && !exiting
16746 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16747 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16748 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16749 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16750 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16751 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16752 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16753 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16755 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16756 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16757 gameInfo.result = res;
16759 gameInfo.resultDetails = StrSave(buf);
16761 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16762 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16767 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16771 ChessProgramState *cps = (ChessProgramState *)closure;
16773 if (isr != cps->isr) return; /* Killed intentionally */
16776 RemoveInputSource(cps->isr);
16777 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16778 _(cps->which), cps->program);
16779 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16780 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16781 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16782 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16783 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16784 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16786 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16787 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16788 gameInfo.result = res;
16790 gameInfo.resultDetails = StrSave(buf);
16792 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16793 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16795 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16796 _(cps->which), cps->program);
16797 RemoveInputSource(cps->isr);
16799 /* [AS] Program is misbehaving badly... kill it */
16800 if( count == -2 ) {
16801 DestroyChildProcess( cps->pr, 9 );
16805 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16810 if ((end_str = strchr(message, '\r')) != NULL)
16811 *end_str = NULLCHAR;
16812 if ((end_str = strchr(message, '\n')) != NULL)
16813 *end_str = NULLCHAR;
16815 if (appData.debugMode) {
16816 TimeMark now; int print = 1;
16817 char *quote = ""; char c; int i;
16819 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16820 char start = message[0];
16821 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16822 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16823 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16824 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16825 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16826 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16827 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16828 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16829 sscanf(message, "hint: %c", &c)!=1 &&
16830 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16831 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16832 print = (appData.engineComments >= 2);
16834 message[0] = start; // restore original message
16838 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16839 SubtractTimeMarks(&now, &programStartTime), cps->which,
16843 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16844 SubtractTimeMarks(&now, &programStartTime), cps->which,
16846 message), fflush(serverFP);
16850 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16851 if (appData.icsEngineAnalyze) {
16852 if (strstr(message, "whisper") != NULL ||
16853 strstr(message, "kibitz") != NULL ||
16854 strstr(message, "tellics") != NULL) return;
16857 HandleMachineMove(message, cps);
16862 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16867 if( timeControl_2 > 0 ) {
16868 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16869 tc = timeControl_2;
16872 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16873 inc /= cps->timeOdds;
16874 st /= cps->timeOdds;
16876 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16879 /* Set exact time per move, normally using st command */
16880 if (cps->stKludge) {
16881 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16883 if (seconds == 0) {
16884 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16886 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16889 snprintf(buf, MSG_SIZ, "st %d\n", st);
16892 /* Set conventional or incremental time control, using level command */
16893 if (seconds == 0) {
16894 /* Note old gnuchess bug -- minutes:seconds used to not work.
16895 Fixed in later versions, but still avoid :seconds
16896 when seconds is 0. */
16897 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16899 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16900 seconds, inc/1000.);
16903 SendToProgram(buf, cps);
16905 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16906 /* Orthogonally, limit search to given depth */
16908 if (cps->sdKludge) {
16909 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16911 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16913 SendToProgram(buf, cps);
16916 if(cps->nps >= 0) { /* [HGM] nps */
16917 if(cps->supportsNPS == FALSE)
16918 cps->nps = -1; // don't use if engine explicitly says not supported!
16920 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16921 SendToProgram(buf, cps);
16926 ChessProgramState *
16928 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16930 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16931 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16937 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16939 char message[MSG_SIZ];
16942 /* Note: this routine must be called when the clocks are stopped
16943 or when they have *just* been set or switched; otherwise
16944 it will be off by the time since the current tick started.
16946 if (machineWhite) {
16947 time = whiteTimeRemaining / 10;
16948 otime = blackTimeRemaining / 10;
16950 time = blackTimeRemaining / 10;
16951 otime = whiteTimeRemaining / 10;
16953 /* [HGM] translate opponent's time by time-odds factor */
16954 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16956 if (time <= 0) time = 1;
16957 if (otime <= 0) otime = 1;
16959 snprintf(message, MSG_SIZ, "time %ld\n", time);
16960 SendToProgram(message, cps);
16962 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16963 SendToProgram(message, cps);
16967 EngineDefinedVariant (ChessProgramState *cps, int n)
16968 { // return name of n-th unknown variant that engine supports
16969 static char buf[MSG_SIZ];
16970 char *p, *s = cps->variants;
16971 if(!s) return NULL;
16972 do { // parse string from variants feature
16974 p = strchr(s, ',');
16975 if(p) *p = NULLCHAR;
16976 v = StringToVariant(s);
16977 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16978 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16979 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16980 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16981 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16982 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16983 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16986 if(n < 0) return buf;
16992 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16995 int len = strlen(name);
16998 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17000 sscanf(*p, "%d", &val);
17002 while (**p && **p != ' ')
17004 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17005 SendToProgram(buf, cps);
17012 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
17015 int len = strlen(name);
17016 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17018 sscanf(*p, "%d", loc);
17019 while (**p && **p != ' ') (*p)++;
17020 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17021 SendToProgram(buf, cps);
17028 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17031 int len = strlen(name);
17032 if (strncmp((*p), name, len) == 0
17033 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17035 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17036 sscanf(*p, "%[^\"]", *loc);
17037 while (**p && **p != '\"') (*p)++;
17038 if (**p == '\"') (*p)++;
17039 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17040 SendToProgram(buf, cps);
17047 ParseOption (Option *opt, ChessProgramState *cps)
17048 // [HGM] options: process the string that defines an engine option, and determine
17049 // name, type, default value, and allowed value range
17051 char *p, *q, buf[MSG_SIZ];
17052 int n, min = (-1)<<31, max = 1<<31, def;
17054 opt->target = &opt->value; // OK for spin/slider and checkbox
17055 if(p = strstr(opt->name, " -spin ")) {
17056 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17057 if(max < min) max = min; // enforce consistency
17058 if(def < min) def = min;
17059 if(def > max) def = max;
17064 } else if((p = strstr(opt->name, " -slider "))) {
17065 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17066 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17067 if(max < min) max = min; // enforce consistency
17068 if(def < min) def = min;
17069 if(def > max) def = max;
17073 opt->type = Spin; // Slider;
17074 } else if((p = strstr(opt->name, " -string "))) {
17075 opt->textValue = p+9;
17076 opt->type = TextBox;
17077 opt->target = &opt->textValue;
17078 } else if((p = strstr(opt->name, " -file "))) {
17079 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17080 opt->target = opt->textValue = p+7;
17081 opt->type = FileName; // FileName;
17082 opt->target = &opt->textValue;
17083 } else if((p = strstr(opt->name, " -path "))) {
17084 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17085 opt->target = opt->textValue = p+7;
17086 opt->type = PathName; // PathName;
17087 opt->target = &opt->textValue;
17088 } else if(p = strstr(opt->name, " -check ")) {
17089 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17090 opt->value = (def != 0);
17091 opt->type = CheckBox;
17092 } else if(p = strstr(opt->name, " -combo ")) {
17093 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17094 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17095 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17096 opt->value = n = 0;
17097 while(q = StrStr(q, " /// ")) {
17098 n++; *q = 0; // count choices, and null-terminate each of them
17100 if(*q == '*') { // remember default, which is marked with * prefix
17104 cps->comboList[cps->comboCnt++] = q;
17106 cps->comboList[cps->comboCnt++] = NULL;
17108 opt->type = ComboBox;
17109 } else if(p = strstr(opt->name, " -button")) {
17110 opt->type = Button;
17111 } else if(p = strstr(opt->name, " -save")) {
17112 opt->type = SaveButton;
17113 } else return FALSE;
17114 *p = 0; // terminate option name
17115 // now look if the command-line options define a setting for this engine option.
17116 if(cps->optionSettings && cps->optionSettings[0])
17117 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17118 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17119 snprintf(buf, MSG_SIZ, "option %s", p);
17120 if(p = strstr(buf, ",")) *p = 0;
17121 if(q = strchr(buf, '=')) switch(opt->type) {
17123 for(n=0; n<opt->max; n++)
17124 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17127 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17131 opt->value = atoi(q+1);
17136 SendToProgram(buf, cps);
17142 FeatureDone (ChessProgramState *cps, int val)
17144 DelayedEventCallback cb = GetDelayedEvent();
17145 if ((cb == InitBackEnd3 && cps == &first) ||
17146 (cb == SettingsMenuIfReady && cps == &second) ||
17147 (cb == LoadEngine) ||
17148 (cb == TwoMachinesEventIfReady)) {
17149 CancelDelayedEvent();
17150 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17151 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17152 cps->initDone = val;
17153 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17156 /* Parse feature command from engine */
17158 ParseFeatures (char *args, ChessProgramState *cps)
17166 while (*p == ' ') p++;
17167 if (*p == NULLCHAR) return;
17169 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17170 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17171 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17172 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17173 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17174 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17175 if (BoolFeature(&p, "reuse", &val, cps)) {
17176 /* Engine can disable reuse, but can't enable it if user said no */
17177 if (!val) cps->reuse = FALSE;
17180 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17181 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17182 if (gameMode == TwoMachinesPlay) {
17183 DisplayTwoMachinesTitle();
17189 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17190 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17191 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17192 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17193 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17194 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17195 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17196 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17197 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17198 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17199 if (IntFeature(&p, "done", &val, cps)) {
17200 FeatureDone(cps, val);
17203 /* Added by Tord: */
17204 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17205 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17206 /* End of additions by Tord */
17208 /* [HGM] added features: */
17209 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17210 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17211 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17212 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17213 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17214 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17215 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17216 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17217 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17218 FREE(cps->option[cps->nrOptions].name);
17219 cps->option[cps->nrOptions].name = q; q = NULL;
17220 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17221 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17222 SendToProgram(buf, cps);
17225 if(cps->nrOptions >= MAX_OPTIONS) {
17227 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17228 DisplayError(buf, 0);
17232 /* End of additions by HGM */
17234 /* unknown feature: complain and skip */
17236 while (*q && *q != '=') q++;
17237 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17238 SendToProgram(buf, cps);
17244 while (*p && *p != '\"') p++;
17245 if (*p == '\"') p++;
17247 while (*p && *p != ' ') p++;
17255 PeriodicUpdatesEvent (int newState)
17257 if (newState == appData.periodicUpdates)
17260 appData.periodicUpdates=newState;
17262 /* Display type changes, so update it now */
17263 // DisplayAnalysis();
17265 /* Get the ball rolling again... */
17267 AnalysisPeriodicEvent(1);
17268 StartAnalysisClock();
17273 PonderNextMoveEvent (int newState)
17275 if (newState == appData.ponderNextMove) return;
17276 if (gameMode == EditPosition) EditPositionDone(TRUE);
17278 SendToProgram("hard\n", &first);
17279 if (gameMode == TwoMachinesPlay) {
17280 SendToProgram("hard\n", &second);
17283 SendToProgram("easy\n", &first);
17284 thinkOutput[0] = NULLCHAR;
17285 if (gameMode == TwoMachinesPlay) {
17286 SendToProgram("easy\n", &second);
17289 appData.ponderNextMove = newState;
17293 NewSettingEvent (int option, int *feature, char *command, int value)
17297 if (gameMode == EditPosition) EditPositionDone(TRUE);
17298 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17299 if(feature == NULL || *feature) SendToProgram(buf, &first);
17300 if (gameMode == TwoMachinesPlay) {
17301 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17306 ShowThinkingEvent ()
17307 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17309 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17310 int newState = appData.showThinking
17311 // [HGM] thinking: other features now need thinking output as well
17312 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17314 if (oldState == newState) return;
17315 oldState = newState;
17316 if (gameMode == EditPosition) EditPositionDone(TRUE);
17318 SendToProgram("post\n", &first);
17319 if (gameMode == TwoMachinesPlay) {
17320 SendToProgram("post\n", &second);
17323 SendToProgram("nopost\n", &first);
17324 thinkOutput[0] = NULLCHAR;
17325 if (gameMode == TwoMachinesPlay) {
17326 SendToProgram("nopost\n", &second);
17329 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17333 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17335 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17336 if (pr == NoProc) return;
17337 AskQuestion(title, question, replyPrefix, pr);
17341 TypeInEvent (char firstChar)
17343 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17344 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17345 gameMode == AnalyzeMode || gameMode == EditGame ||
17346 gameMode == EditPosition || gameMode == IcsExamining ||
17347 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17348 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17349 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17350 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17351 gameMode == Training) PopUpMoveDialog(firstChar);
17355 TypeInDoneEvent (char *move)
17358 int n, fromX, fromY, toX, toY;
17360 ChessMove moveType;
17363 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17364 EditPositionPasteFEN(move);
17367 // [HGM] movenum: allow move number to be typed in any mode
17368 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17372 // undocumented kludge: allow command-line option to be typed in!
17373 // (potentially fatal, and does not implement the effect of the option.)
17374 // should only be used for options that are values on which future decisions will be made,
17375 // and definitely not on options that would be used during initialization.
17376 if(strstr(move, "!!! -") == move) {
17377 ParseArgsFromString(move+4);
17381 if (gameMode != EditGame && currentMove != forwardMostMove &&
17382 gameMode != Training) {
17383 DisplayMoveError(_("Displayed move is not current"));
17385 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17386 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17387 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17388 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17389 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17390 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17392 DisplayMoveError(_("Could not parse move"));
17398 DisplayMove (int moveNumber)
17400 char message[MSG_SIZ];
17402 char cpThinkOutput[MSG_SIZ];
17404 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17406 if (moveNumber == forwardMostMove - 1 ||
17407 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17409 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17411 if (strchr(cpThinkOutput, '\n')) {
17412 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17415 *cpThinkOutput = NULLCHAR;
17418 /* [AS] Hide thinking from human user */
17419 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17420 *cpThinkOutput = NULLCHAR;
17421 if( thinkOutput[0] != NULLCHAR ) {
17424 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17425 cpThinkOutput[i] = '.';
17427 cpThinkOutput[i] = NULLCHAR;
17428 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17432 if (moveNumber == forwardMostMove - 1 &&
17433 gameInfo.resultDetails != NULL) {
17434 if (gameInfo.resultDetails[0] == NULLCHAR) {
17435 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17437 snprintf(res, MSG_SIZ, " {%s} %s",
17438 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17444 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17445 DisplayMessage(res, cpThinkOutput);
17447 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17448 WhiteOnMove(moveNumber) ? " " : ".. ",
17449 parseList[moveNumber], res);
17450 DisplayMessage(message, cpThinkOutput);
17455 DisplayComment (int moveNumber, char *text)
17457 char title[MSG_SIZ];
17459 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17460 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17462 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17463 WhiteOnMove(moveNumber) ? " " : ".. ",
17464 parseList[moveNumber]);
17466 if (text != NULL && (appData.autoDisplayComment || commentUp))
17467 CommentPopUp(title, text);
17470 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17471 * might be busy thinking or pondering. It can be omitted if your
17472 * gnuchess is configured to stop thinking immediately on any user
17473 * input. However, that gnuchess feature depends on the FIONREAD
17474 * ioctl, which does not work properly on some flavors of Unix.
17477 Attention (ChessProgramState *cps)
17480 if (!cps->useSigint) return;
17481 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17482 switch (gameMode) {
17483 case MachinePlaysWhite:
17484 case MachinePlaysBlack:
17485 case TwoMachinesPlay:
17486 case IcsPlayingWhite:
17487 case IcsPlayingBlack:
17490 /* Skip if we know it isn't thinking */
17491 if (!cps->maybeThinking) return;
17492 if (appData.debugMode)
17493 fprintf(debugFP, "Interrupting %s\n", cps->which);
17494 InterruptChildProcess(cps->pr);
17495 cps->maybeThinking = FALSE;
17500 #endif /*ATTENTION*/
17506 if (whiteTimeRemaining <= 0) {
17509 if (appData.icsActive) {
17510 if (appData.autoCallFlag &&
17511 gameMode == IcsPlayingBlack && !blackFlag) {
17512 SendToICS(ics_prefix);
17513 SendToICS("flag\n");
17517 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17519 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17520 if (appData.autoCallFlag) {
17521 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17528 if (blackTimeRemaining <= 0) {
17531 if (appData.icsActive) {
17532 if (appData.autoCallFlag &&
17533 gameMode == IcsPlayingWhite && !whiteFlag) {
17534 SendToICS(ics_prefix);
17535 SendToICS("flag\n");
17539 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17541 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17542 if (appData.autoCallFlag) {
17543 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17554 CheckTimeControl ()
17556 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17557 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17560 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17562 if ( !WhiteOnMove(forwardMostMove) ) {
17563 /* White made time control */
17564 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17565 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17566 /* [HGM] time odds: correct new time quota for time odds! */
17567 / WhitePlayer()->timeOdds;
17568 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17570 lastBlack -= blackTimeRemaining;
17571 /* Black made time control */
17572 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17573 / WhitePlayer()->other->timeOdds;
17574 lastWhite = whiteTimeRemaining;
17579 DisplayBothClocks ()
17581 int wom = gameMode == EditPosition ?
17582 !blackPlaysFirst : WhiteOnMove(currentMove);
17583 DisplayWhiteClock(whiteTimeRemaining, wom);
17584 DisplayBlackClock(blackTimeRemaining, !wom);
17588 /* Timekeeping seems to be a portability nightmare. I think everyone
17589 has ftime(), but I'm really not sure, so I'm including some ifdefs
17590 to use other calls if you don't. Clocks will be less accurate if
17591 you have neither ftime nor gettimeofday.
17594 /* VS 2008 requires the #include outside of the function */
17595 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17596 #include <sys/timeb.h>
17599 /* Get the current time as a TimeMark */
17601 GetTimeMark (TimeMark *tm)
17603 #if HAVE_GETTIMEOFDAY
17605 struct timeval timeVal;
17606 struct timezone timeZone;
17608 gettimeofday(&timeVal, &timeZone);
17609 tm->sec = (long) timeVal.tv_sec;
17610 tm->ms = (int) (timeVal.tv_usec / 1000L);
17612 #else /*!HAVE_GETTIMEOFDAY*/
17615 // include <sys/timeb.h> / moved to just above start of function
17616 struct timeb timeB;
17619 tm->sec = (long) timeB.time;
17620 tm->ms = (int) timeB.millitm;
17622 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17623 tm->sec = (long) time(NULL);
17629 /* Return the difference in milliseconds between two
17630 time marks. We assume the difference will fit in a long!
17633 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17635 return 1000L*(tm2->sec - tm1->sec) +
17636 (long) (tm2->ms - tm1->ms);
17641 * Code to manage the game clocks.
17643 * In tournament play, black starts the clock and then white makes a move.
17644 * We give the human user a slight advantage if he is playing white---the
17645 * clocks don't run until he makes his first move, so it takes zero time.
17646 * Also, we don't account for network lag, so we could get out of sync
17647 * with GNU Chess's clock -- but then, referees are always right.
17650 static TimeMark tickStartTM;
17651 static long intendedTickLength;
17654 NextTickLength (long timeRemaining)
17656 long nominalTickLength, nextTickLength;
17658 if (timeRemaining > 0L && timeRemaining <= 10000L)
17659 nominalTickLength = 100L;
17661 nominalTickLength = 1000L;
17662 nextTickLength = timeRemaining % nominalTickLength;
17663 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17665 return nextTickLength;
17668 /* Adjust clock one minute up or down */
17670 AdjustClock (Boolean which, int dir)
17672 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17673 if(which) blackTimeRemaining += 60000*dir;
17674 else whiteTimeRemaining += 60000*dir;
17675 DisplayBothClocks();
17676 adjustedClock = TRUE;
17679 /* Stop clocks and reset to a fresh time control */
17683 (void) StopClockTimer();
17684 if (appData.icsActive) {
17685 whiteTimeRemaining = blackTimeRemaining = 0;
17686 } else if (searchTime) {
17687 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17688 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17689 } else { /* [HGM] correct new time quote for time odds */
17690 whiteTC = blackTC = fullTimeControlString;
17691 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17692 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17694 if (whiteFlag || blackFlag) {
17696 whiteFlag = blackFlag = FALSE;
17698 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17699 DisplayBothClocks();
17700 adjustedClock = FALSE;
17703 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17705 /* Decrement running clock by amount of time that has passed */
17709 long timeRemaining;
17710 long lastTickLength, fudge;
17713 if (!appData.clockMode) return;
17714 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17718 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17720 /* Fudge if we woke up a little too soon */
17721 fudge = intendedTickLength - lastTickLength;
17722 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17724 if (WhiteOnMove(forwardMostMove)) {
17725 if(whiteNPS >= 0) lastTickLength = 0;
17726 timeRemaining = whiteTimeRemaining -= lastTickLength;
17727 if(timeRemaining < 0 && !appData.icsActive) {
17728 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17729 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17730 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17731 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17734 DisplayWhiteClock(whiteTimeRemaining - fudge,
17735 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17737 if(blackNPS >= 0) lastTickLength = 0;
17738 timeRemaining = blackTimeRemaining -= lastTickLength;
17739 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17740 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17742 blackStartMove = forwardMostMove;
17743 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17746 DisplayBlackClock(blackTimeRemaining - fudge,
17747 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17749 if (CheckFlags()) return;
17751 if(twoBoards) { // count down secondary board's clocks as well
17752 activePartnerTime -= lastTickLength;
17754 if(activePartner == 'W')
17755 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17757 DisplayBlackClock(activePartnerTime, TRUE);
17762 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17763 StartClockTimer(intendedTickLength);
17765 /* if the time remaining has fallen below the alarm threshold, sound the
17766 * alarm. if the alarm has sounded and (due to a takeback or time control
17767 * with increment) the time remaining has increased to a level above the
17768 * threshold, reset the alarm so it can sound again.
17771 if (appData.icsActive && appData.icsAlarm) {
17773 /* make sure we are dealing with the user's clock */
17774 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17775 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17778 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17779 alarmSounded = FALSE;
17780 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17782 alarmSounded = TRUE;
17788 /* A player has just moved, so stop the previously running
17789 clock and (if in clock mode) start the other one.
17790 We redisplay both clocks in case we're in ICS mode, because
17791 ICS gives us an update to both clocks after every move.
17792 Note that this routine is called *after* forwardMostMove
17793 is updated, so the last fractional tick must be subtracted
17794 from the color that is *not* on move now.
17797 SwitchClocks (int newMoveNr)
17799 long lastTickLength;
17801 int flagged = FALSE;
17805 if (StopClockTimer() && appData.clockMode) {
17806 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17807 if (!WhiteOnMove(forwardMostMove)) {
17808 if(blackNPS >= 0) lastTickLength = 0;
17809 blackTimeRemaining -= lastTickLength;
17810 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17811 // if(pvInfoList[forwardMostMove].time == -1)
17812 pvInfoList[forwardMostMove].time = // use GUI time
17813 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17815 if(whiteNPS >= 0) lastTickLength = 0;
17816 whiteTimeRemaining -= lastTickLength;
17817 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17818 // if(pvInfoList[forwardMostMove].time == -1)
17819 pvInfoList[forwardMostMove].time =
17820 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17822 flagged = CheckFlags();
17824 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17825 CheckTimeControl();
17827 if (flagged || !appData.clockMode) return;
17829 switch (gameMode) {
17830 case MachinePlaysBlack:
17831 case MachinePlaysWhite:
17832 case BeginningOfGame:
17833 if (pausing) return;
17837 case PlayFromGameFile:
17845 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17846 if(WhiteOnMove(forwardMostMove))
17847 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17848 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17852 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17853 whiteTimeRemaining : blackTimeRemaining);
17854 StartClockTimer(intendedTickLength);
17858 /* Stop both clocks */
17862 long lastTickLength;
17865 if (!StopClockTimer()) return;
17866 if (!appData.clockMode) return;
17870 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17871 if (WhiteOnMove(forwardMostMove)) {
17872 if(whiteNPS >= 0) lastTickLength = 0;
17873 whiteTimeRemaining -= lastTickLength;
17874 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17876 if(blackNPS >= 0) lastTickLength = 0;
17877 blackTimeRemaining -= lastTickLength;
17878 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17883 /* Start clock of player on move. Time may have been reset, so
17884 if clock is already running, stop and restart it. */
17888 (void) StopClockTimer(); /* in case it was running already */
17889 DisplayBothClocks();
17890 if (CheckFlags()) return;
17892 if (!appData.clockMode) return;
17893 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17895 GetTimeMark(&tickStartTM);
17896 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17897 whiteTimeRemaining : blackTimeRemaining);
17899 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17900 whiteNPS = blackNPS = -1;
17901 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17902 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17903 whiteNPS = first.nps;
17904 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17905 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17906 blackNPS = first.nps;
17907 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17908 whiteNPS = second.nps;
17909 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17910 blackNPS = second.nps;
17911 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17913 StartClockTimer(intendedTickLength);
17917 TimeString (long ms)
17919 long second, minute, hour, day;
17921 static char buf[32];
17923 if (ms > 0 && ms <= 9900) {
17924 /* convert milliseconds to tenths, rounding up */
17925 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17927 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17931 /* convert milliseconds to seconds, rounding up */
17932 /* use floating point to avoid strangeness of integer division
17933 with negative dividends on many machines */
17934 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17941 day = second / (60 * 60 * 24);
17942 second = second % (60 * 60 * 24);
17943 hour = second / (60 * 60);
17944 second = second % (60 * 60);
17945 minute = second / 60;
17946 second = second % 60;
17949 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17950 sign, day, hour, minute, second);
17952 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17954 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17961 * This is necessary because some C libraries aren't ANSI C compliant yet.
17964 StrStr (char *string, char *match)
17968 length = strlen(match);
17970 for (i = strlen(string) - length; i >= 0; i--, string++)
17971 if (!strncmp(match, string, length))
17978 StrCaseStr (char *string, char *match)
17982 length = strlen(match);
17984 for (i = strlen(string) - length; i >= 0; i--, string++) {
17985 for (j = 0; j < length; j++) {
17986 if (ToLower(match[j]) != ToLower(string[j]))
17989 if (j == length) return string;
17997 StrCaseCmp (char *s1, char *s2)
18002 c1 = ToLower(*s1++);
18003 c2 = ToLower(*s2++);
18004 if (c1 > c2) return 1;
18005 if (c1 < c2) return -1;
18006 if (c1 == NULLCHAR) return 0;
18014 return isupper(c) ? tolower(c) : c;
18021 return islower(c) ? toupper(c) : c;
18023 #endif /* !_amigados */
18030 if ((ret = (char *) malloc(strlen(s) + 1)))
18032 safeStrCpy(ret, s, strlen(s)+1);
18038 StrSavePtr (char *s, char **savePtr)
18043 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18044 safeStrCpy(*savePtr, s, strlen(s)+1);
18056 clock = time((time_t *)NULL);
18057 tm = localtime(&clock);
18058 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18059 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18060 return StrSave(buf);
18065 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18067 int i, j, fromX, fromY, toX, toY;
18068 int whiteToPlay, haveRights = nrCastlingRights;
18074 whiteToPlay = (gameMode == EditPosition) ?
18075 !blackPlaysFirst : (move % 2 == 0);
18078 /* Piece placement data */
18079 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18080 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18082 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18083 if (boards[move][i][j] == EmptySquare) {
18085 } else { ChessSquare piece = boards[move][i][j];
18086 if (emptycount > 0) {
18087 if(emptycount<10) /* [HGM] can be >= 10 */
18088 *p++ = '0' + emptycount;
18089 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18092 if(PieceToChar(piece) == '+') {
18093 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18095 piece = (ChessSquare)(CHUDEMOTED(piece));
18097 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18098 if(*p = PieceSuffix(piece)) p++;
18100 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18101 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18106 if (emptycount > 0) {
18107 if(emptycount<10) /* [HGM] can be >= 10 */
18108 *p++ = '0' + emptycount;
18109 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18116 /* [HGM] print Crazyhouse or Shogi holdings */
18117 if( gameInfo.holdingsWidth ) {
18118 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18120 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18121 piece = boards[move][i][BOARD_WIDTH-1];
18122 if( piece != EmptySquare )
18123 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18124 *p++ = PieceToChar(piece);
18126 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18127 piece = boards[move][BOARD_HEIGHT-i-1][0];
18128 if( piece != EmptySquare )
18129 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18130 *p++ = PieceToChar(piece);
18133 if( q == p ) *p++ = '-';
18139 *p++ = whiteToPlay ? 'w' : 'b';
18142 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18143 haveRights = 0; q = p;
18144 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18145 piece = boards[move][0][i];
18146 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18147 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18150 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18151 piece = boards[move][BOARD_HEIGHT-1][i];
18152 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18153 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18156 if(p == q) *p++ = '-';
18160 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18161 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18164 int handW=0, handB=0;
18165 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18166 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18167 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18170 if(appData.fischerCastling) {
18171 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18172 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18173 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18175 /* [HGM] write directly from rights */
18176 if(boards[move][CASTLING][2] != NoRights &&
18177 boards[move][CASTLING][0] != NoRights )
18178 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18179 if(boards[move][CASTLING][2] != NoRights &&
18180 boards[move][CASTLING][1] != NoRights )
18181 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18184 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18185 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18187 if(boards[move][CASTLING][5] != NoRights &&
18188 boards[move][CASTLING][3] != NoRights )
18189 *p++ = boards[move][CASTLING][3] + AAA;
18190 if(boards[move][CASTLING][5] != NoRights &&
18191 boards[move][CASTLING][4] != NoRights )
18192 *p++ = boards[move][CASTLING][4] + AAA;
18196 /* [HGM] write true castling rights */
18197 if( nrCastlingRights == 6 ) {
18199 if(boards[move][CASTLING][0] != NoRights &&
18200 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18201 q = (boards[move][CASTLING][1] != NoRights &&
18202 boards[move][CASTLING][2] != NoRights );
18203 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18204 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18205 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18206 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18210 if(boards[move][CASTLING][3] != NoRights &&
18211 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18212 q = (boards[move][CASTLING][4] != NoRights &&
18213 boards[move][CASTLING][5] != NoRights );
18215 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18216 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18217 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18222 if (q == p) *p++ = '-'; /* No castling rights */
18226 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18227 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18228 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18229 /* En passant target square */
18230 if (move > backwardMostMove) {
18231 fromX = moveList[move - 1][0] - AAA;
18232 fromY = moveList[move - 1][1] - ONE;
18233 toX = moveList[move - 1][2] - AAA;
18234 toY = moveList[move - 1][3] - ONE;
18235 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18236 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18237 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18239 /* 2-square pawn move just happened */
18241 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18245 } else if(move == backwardMostMove) {
18246 // [HGM] perhaps we should always do it like this, and forget the above?
18247 if((signed char)boards[move][EP_STATUS] >= 0) {
18248 *p++ = boards[move][EP_STATUS] + AAA;
18249 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18261 { int i = 0, j=move;
18263 /* [HGM] find reversible plies */
18264 if (appData.debugMode) { int k;
18265 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18266 for(k=backwardMostMove; k<=forwardMostMove; k++)
18267 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18271 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18272 if( j == backwardMostMove ) i += initialRulePlies;
18273 sprintf(p, "%d ", i);
18274 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18276 /* Fullmove number */
18277 sprintf(p, "%d", (move / 2) + 1);
18278 } else *--p = NULLCHAR;
18280 return StrSave(buf);
18284 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18286 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18288 int emptycount, virgin[BOARD_FILES];
18289 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18293 /* Piece placement data */
18294 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18297 if (*p == '/' || *p == ' ' || *p == '[' ) {
18299 emptycount = gameInfo.boardWidth - j;
18300 while (emptycount--)
18301 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18302 if (*p == '/') p++;
18303 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18304 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18305 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18307 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18310 #if(BOARD_FILES >= 10)*0
18311 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18312 p++; emptycount=10;
18313 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18314 while (emptycount--)
18315 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18317 } else if (*p == '*') {
18318 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18319 } else if (isdigit(*p)) {
18320 emptycount = *p++ - '0';
18321 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18322 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18323 while (emptycount--)
18324 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18325 } else if (*p == '<') {
18326 if(i == BOARD_HEIGHT-1) shuffle = 1;
18327 else if (i != 0 || !shuffle) return FALSE;
18329 } else if (shuffle && *p == '>') {
18330 p++; // for now ignore closing shuffle range, and assume rank-end
18331 } else if (*p == '?') {
18332 if (j >= gameInfo.boardWidth) return FALSE;
18333 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18334 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18335 } else if (*p == '+' || isalpha(*p)) {
18336 char *q, *s = SUFFIXES;
18337 if (j >= gameInfo.boardWidth) return FALSE;
18340 if(q = strchr(s, p[1])) p++;
18341 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18342 if(piece == EmptySquare) return FALSE; /* unknown piece */
18343 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18344 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18347 if(q = strchr(s, *p)) p++;
18348 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18351 if(piece==EmptySquare) return FALSE; /* unknown piece */
18352 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18353 piece = (ChessSquare) (PROMOTED(piece));
18354 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18357 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18358 if(piece == king) wKingRank = i;
18359 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18365 while (*p == '/' || *p == ' ') p++;
18367 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18369 /* [HGM] by default clear Crazyhouse holdings, if present */
18370 if(gameInfo.holdingsWidth) {
18371 for(i=0; i<BOARD_HEIGHT; i++) {
18372 board[i][0] = EmptySquare; /* black holdings */
18373 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18374 board[i][1] = (ChessSquare) 0; /* black counts */
18375 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18379 /* [HGM] look for Crazyhouse holdings here */
18380 while(*p==' ') p++;
18381 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18382 int swap=0, wcnt=0, bcnt=0;
18384 if(*p == '<') swap++, p++;
18385 if(*p == '-' ) p++; /* empty holdings */ else {
18386 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18387 /* if we would allow FEN reading to set board size, we would */
18388 /* have to add holdings and shift the board read so far here */
18389 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18391 if((int) piece >= (int) BlackPawn ) {
18392 i = (int)piece - (int)BlackPawn;
18393 i = PieceToNumber((ChessSquare)i);
18394 if( i >= gameInfo.holdingsSize ) return FALSE;
18395 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18396 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18399 i = (int)piece - (int)WhitePawn;
18400 i = PieceToNumber((ChessSquare)i);
18401 if( i >= gameInfo.holdingsSize ) return FALSE;
18402 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18403 board[i][BOARD_WIDTH-2]++; /* black holdings */
18407 if(subst) { // substitute back-rank question marks by holdings pieces
18408 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18409 int k, m, n = bcnt + 1;
18410 if(board[0][j] == ClearBoard) {
18411 if(!wcnt) return FALSE;
18413 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18414 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18415 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18419 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18420 if(!bcnt) return FALSE;
18421 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18422 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18423 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18424 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18435 if(subst) return FALSE; // substitution requested, but no holdings
18437 while(*p == ' ') p++;
18441 if(appData.colorNickNames) {
18442 if( c == appData.colorNickNames[0] ) c = 'w'; else
18443 if( c == appData.colorNickNames[1] ) c = 'b';
18447 *blackPlaysFirst = FALSE;
18450 *blackPlaysFirst = TRUE;
18456 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18457 /* return the extra info in global variiables */
18459 while(*p==' ') p++;
18461 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18462 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18463 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18466 /* set defaults in case FEN is incomplete */
18467 board[EP_STATUS] = EP_UNKNOWN;
18468 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18469 for(i=0; i<nrCastlingRights; i++ ) {
18470 board[CASTLING][i] =
18471 appData.fischerCastling ? NoRights : initialRights[i];
18472 } /* assume possible unless obviously impossible */
18473 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18474 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18475 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18476 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18477 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18478 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18479 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18480 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18483 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18486 while(isalpha(*p)) {
18487 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18488 if(islower(*p)) b |= 1 << (*p++ - 'a');
18492 board[TOUCHED_W] = ~w;
18493 board[TOUCHED_B] = ~b;
18494 while(*p == ' ') p++;
18498 if(nrCastlingRights) {
18500 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18501 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18502 /* castling indicator present, so default becomes no castlings */
18503 for(i=0; i<nrCastlingRights; i++ ) {
18504 board[CASTLING][i] = NoRights;
18507 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18508 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18509 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18510 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18511 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18513 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18514 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18515 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18517 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18518 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18519 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18520 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18521 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18522 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18525 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18526 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18527 board[CASTLING][2] = whiteKingFile;
18528 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18529 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18530 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18533 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18534 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18535 board[CASTLING][2] = whiteKingFile;
18536 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18537 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18538 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18541 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18542 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18543 board[CASTLING][5] = blackKingFile;
18544 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18545 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18546 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18549 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18550 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18551 board[CASTLING][5] = blackKingFile;
18552 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18553 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18554 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18557 default: /* FRC castlings */
18558 if(c >= 'a') { /* black rights */
18559 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18560 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18561 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18562 if(i == BOARD_RGHT) break;
18563 board[CASTLING][5] = i;
18565 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18566 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18568 board[CASTLING][3] = c;
18570 board[CASTLING][4] = c;
18571 } else { /* white rights */
18572 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18573 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18574 if(board[0][i] == WhiteKing) break;
18575 if(i == BOARD_RGHT) break;
18576 board[CASTLING][2] = i;
18577 c -= AAA - 'a' + 'A';
18578 if(board[0][c] >= WhiteKing) break;
18580 board[CASTLING][0] = c;
18582 board[CASTLING][1] = c;
18586 for(i=0; i<nrCastlingRights; i++)
18587 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18588 if(gameInfo.variant == VariantSChess)
18589 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18590 if(fischer && shuffle) appData.fischerCastling = TRUE;
18591 if (appData.debugMode) {
18592 fprintf(debugFP, "FEN castling rights:");
18593 for(i=0; i<nrCastlingRights; i++)
18594 fprintf(debugFP, " %d", board[CASTLING][i]);
18595 fprintf(debugFP, "\n");
18598 while(*p==' ') p++;
18601 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18603 /* read e.p. field in games that know e.p. capture */
18604 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18605 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18606 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18608 p++; board[EP_STATUS] = EP_NONE;
18610 char c = *p++ - AAA;
18612 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18613 if(*p >= '0' && *p <='9') p++;
18614 board[EP_STATUS] = c;
18619 if(sscanf(p, "%d", &i) == 1) {
18620 FENrulePlies = i; /* 50-move ply counter */
18621 /* (The move number is still ignored) */
18628 EditPositionPasteFEN (char *fen)
18631 Board initial_position;
18633 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18634 DisplayError(_("Bad FEN position in clipboard"), 0);
18637 int savedBlackPlaysFirst = blackPlaysFirst;
18638 EditPositionEvent();
18639 blackPlaysFirst = savedBlackPlaysFirst;
18640 CopyBoard(boards[0], initial_position);
18641 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18642 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18643 DisplayBothClocks();
18644 DrawPosition(FALSE, boards[currentMove]);
18649 static char cseq[12] = "\\ ";
18652 set_cont_sequence (char *new_seq)
18657 // handle bad attempts to set the sequence
18659 return 0; // acceptable error - no debug
18661 len = strlen(new_seq);
18662 ret = (len > 0) && (len < sizeof(cseq));
18664 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18665 else if (appData.debugMode)
18666 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18671 reformat a source message so words don't cross the width boundary. internal
18672 newlines are not removed. returns the wrapped size (no null character unless
18673 included in source message). If dest is NULL, only calculate the size required
18674 for the dest buffer. lp argument indicats line position upon entry, and it's
18675 passed back upon exit.
18678 wrap (char *dest, char *src, int count, int width, int *lp)
18680 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18682 cseq_len = strlen(cseq);
18683 old_line = line = *lp;
18684 ansi = len = clen = 0;
18686 for (i=0; i < count; i++)
18688 if (src[i] == '\033')
18691 // if we hit the width, back up
18692 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18694 // store i & len in case the word is too long
18695 old_i = i, old_len = len;
18697 // find the end of the last word
18698 while (i && src[i] != ' ' && src[i] != '\n')
18704 // word too long? restore i & len before splitting it
18705 if ((old_i-i+clen) >= width)
18712 if (i && src[i-1] == ' ')
18715 if (src[i] != ' ' && src[i] != '\n')
18722 // now append the newline and continuation sequence
18727 strncpy(dest+len, cseq, cseq_len);
18735 dest[len] = src[i];
18739 if (src[i] == '\n')
18744 if (dest && appData.debugMode)
18746 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18747 count, width, line, len, *lp);
18748 show_bytes(debugFP, src, count);
18749 fprintf(debugFP, "\ndest: ");
18750 show_bytes(debugFP, dest, len);
18751 fprintf(debugFP, "\n");
18753 *lp = dest ? line : old_line;
18758 // [HGM] vari: routines for shelving variations
18759 Boolean modeRestore = FALSE;
18762 PushInner (int firstMove, int lastMove)
18764 int i, j, nrMoves = lastMove - firstMove;
18766 // push current tail of game on stack
18767 savedResult[storedGames] = gameInfo.result;
18768 savedDetails[storedGames] = gameInfo.resultDetails;
18769 gameInfo.resultDetails = NULL;
18770 savedFirst[storedGames] = firstMove;
18771 savedLast [storedGames] = lastMove;
18772 savedFramePtr[storedGames] = framePtr;
18773 framePtr -= nrMoves; // reserve space for the boards
18774 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18775 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18776 for(j=0; j<MOVE_LEN; j++)
18777 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18778 for(j=0; j<2*MOVE_LEN; j++)
18779 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18780 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18781 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18782 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18783 pvInfoList[firstMove+i-1].depth = 0;
18784 commentList[framePtr+i] = commentList[firstMove+i];
18785 commentList[firstMove+i] = NULL;
18789 forwardMostMove = firstMove; // truncate game so we can start variation
18793 PushTail (int firstMove, int lastMove)
18795 if(appData.icsActive) { // only in local mode
18796 forwardMostMove = currentMove; // mimic old ICS behavior
18799 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18801 PushInner(firstMove, lastMove);
18802 if(storedGames == 1) GreyRevert(FALSE);
18803 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18807 PopInner (Boolean annotate)
18810 char buf[8000], moveBuf[20];
18812 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18813 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18814 nrMoves = savedLast[storedGames] - currentMove;
18817 if(!WhiteOnMove(currentMove))
18818 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18819 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18820 for(i=currentMove; i<forwardMostMove; i++) {
18822 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18823 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18824 strcat(buf, moveBuf);
18825 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18826 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18830 for(i=1; i<=nrMoves; i++) { // copy last variation back
18831 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18832 for(j=0; j<MOVE_LEN; j++)
18833 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18834 for(j=0; j<2*MOVE_LEN; j++)
18835 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18836 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18837 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18838 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18839 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18840 commentList[currentMove+i] = commentList[framePtr+i];
18841 commentList[framePtr+i] = NULL;
18843 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18844 framePtr = savedFramePtr[storedGames];
18845 gameInfo.result = savedResult[storedGames];
18846 if(gameInfo.resultDetails != NULL) {
18847 free(gameInfo.resultDetails);
18849 gameInfo.resultDetails = savedDetails[storedGames];
18850 forwardMostMove = currentMove + nrMoves;
18854 PopTail (Boolean annotate)
18856 if(appData.icsActive) return FALSE; // only in local mode
18857 if(!storedGames) return FALSE; // sanity
18858 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18860 PopInner(annotate);
18861 if(currentMove < forwardMostMove) ForwardEvent(); else
18862 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18864 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18870 { // remove all shelved variations
18872 for(i=0; i<storedGames; i++) {
18873 if(savedDetails[i])
18874 free(savedDetails[i]);
18875 savedDetails[i] = NULL;
18877 for(i=framePtr; i<MAX_MOVES; i++) {
18878 if(commentList[i]) free(commentList[i]);
18879 commentList[i] = NULL;
18881 framePtr = MAX_MOVES-1;
18886 LoadVariation (int index, char *text)
18887 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18888 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18889 int level = 0, move;
18891 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18892 // first find outermost bracketing variation
18893 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18894 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18895 if(*p == '{') wait = '}'; else
18896 if(*p == '[') wait = ']'; else
18897 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18898 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18900 if(*p == wait) wait = NULLCHAR; // closing ]} found
18903 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18904 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18905 end[1] = NULLCHAR; // clip off comment beyond variation
18906 ToNrEvent(currentMove-1);
18907 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18908 // kludge: use ParsePV() to append variation to game
18909 move = currentMove;
18910 ParsePV(start, TRUE, TRUE);
18911 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18912 ClearPremoveHighlights();
18914 ToNrEvent(currentMove+1);
18920 char *p, *q, buf[MSG_SIZ];
18921 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18922 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18923 ParseArgsFromString(buf);
18924 ActivateTheme(TRUE); // also redo colors
18928 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18931 q = appData.themeNames;
18932 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18933 if(appData.useBitmaps) {
18934 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18935 appData.liteBackTextureFile, appData.darkBackTextureFile,
18936 appData.liteBackTextureMode,
18937 appData.darkBackTextureMode );
18939 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18940 Col2Text(2), // lightSquareColor
18941 Col2Text(3) ); // darkSquareColor
18943 if(appData.useBorder) {
18944 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18947 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18949 if(appData.useFont) {
18950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18951 appData.renderPiecesWithFont,
18952 appData.fontToPieceTable,
18953 Col2Text(9), // appData.fontBackColorWhite
18954 Col2Text(10) ); // appData.fontForeColorBlack
18956 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18957 appData.pieceDirectory);
18958 if(!appData.pieceDirectory[0])
18959 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18960 Col2Text(0), // whitePieceColor
18961 Col2Text(1) ); // blackPieceColor
18963 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18964 Col2Text(4), // highlightSquareColor
18965 Col2Text(5) ); // premoveHighlightColor
18966 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18967 if(insert != q) insert[-1] = NULLCHAR;
18968 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18971 ActivateTheme(FALSE);