2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Free
9 * Software Foundation, Inc.
11 * Enhancements Copyright 2005 Alessandro Scotti
13 * The following terms apply to Digital Equipment Corporation's copyright
15 * ------------------------------------------------------------------------
18 * Permission to use, copy, modify, and distribute this software and its
19 * documentation for any purpose and without fee is hereby granted,
20 * provided that the above copyright notice appear in all copies and that
21 * both that copyright notice and this permission notice appear in
22 * supporting documentation, and that the name of Digital not be
23 * used in advertising or publicity pertaining to distribution of the
24 * software without specific, written prior permission.
26 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
27 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
28 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
29 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
30 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
31 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
33 * ------------------------------------------------------------------------
35 * The following terms apply to the enhanced version of XBoard
36 * distributed by the Free Software Foundation:
37 * ------------------------------------------------------------------------
39 * GNU XBoard is free software: you can redistribute it and/or modify
40 * it under the terms of the GNU General Public License as published by
41 * the Free Software Foundation, either version 3 of the License, or (at
42 * your option) any later version.
44 * GNU XBoard is distributed in the hope that it will be useful, but
45 * WITHOUT ANY WARRANTY; without even the implied warranty of
46 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
47 * General Public License for more details.
49 * You should have received a copy of the GNU General Public License
50 * along with this program. If not, see http://www.gnu.org/licenses/. *
52 *------------------------------------------------------------------------
53 ** See the file ChangeLog for a revision history. */
55 /* [AS] Also useful here for debugging */
59 int flock(int f, int code);
64 # define EGBB_NAME "egbbdll64.dll"
66 # define EGBB_NAME "egbbdll.dll"
71 # include <sys/file.h>
76 # define EGBB_NAME "egbbso64.so"
78 # define EGBB_NAME "egbbso.so"
80 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
82 # define HMODULE void *
83 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
84 # define GetProcAddress dlsym
94 #include <sys/types.h>
103 #else /* not STDC_HEADERS */
106 # else /* not HAVE_STRING_H */
107 # include <strings.h>
108 # endif /* not HAVE_STRING_H */
109 #endif /* not STDC_HEADERS */
112 # include <sys/fcntl.h>
113 #else /* not HAVE_SYS_FCNTL_H */
116 # endif /* HAVE_FCNTL_H */
117 #endif /* not HAVE_SYS_FCNTL_H */
119 #if TIME_WITH_SYS_TIME
120 # include <sys/time.h>
124 # include <sys/time.h>
130 #if defined(_amigados) && !defined(__GNUC__)
135 extern int gettimeofday(struct timeval *, struct timezone *);
143 #include "frontend.h"
150 #include "backendz.h"
151 #include "evalgraph.h"
152 #include "engineoutput.h"
156 # define _(s) gettext (s)
157 # define N_(s) gettext_noop (s)
158 # define T_(s) gettext(s)
171 int establish P((void));
172 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
173 char *buf, int count, int error));
174 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
175 char *buf, int count, int error));
176 void SendToICS P((char *s));
177 void SendToICSDelayed P((char *s, long msdelay));
178 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
179 void HandleMachineMove P((char *message, ChessProgramState *cps));
180 int AutoPlayOneMove P((void));
181 int LoadGameOneMove P((ChessMove readAhead));
182 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
183 int LoadPositionFromFile P((char *filename, int n, char *title));
184 int SavePositionToFile P((char *filename));
185 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
186 void ShowMove P((int fromX, int fromY, int toX, int toY));
187 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
188 /*char*/int promoChar));
189 void BackwardInner P((int target));
190 void ForwardInner P((int target));
191 int Adjudicate P((ChessProgramState *cps));
192 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
193 void EditPositionDone P((Boolean fakeRights));
194 void PrintOpponents P((FILE *fp));
195 void PrintPosition P((FILE *fp, int move));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
298 int border; /* [HGM] width of board rim, needed to size seek graph */
299 char bestMove[MSG_SIZ];
300 int solvingTime, totalTime;
302 /* States for ics_getting_history */
304 #define H_REQUESTED 1
305 #define H_GOT_REQ_HEADER 2
306 #define H_GOT_UNREQ_HEADER 3
307 #define H_GETTING_MOVES 4
308 #define H_GOT_UNWANTED_HEADER 5
310 /* whosays values for GameEnds */
319 /* Maximum number of games in a cmail message */
320 #define CMAIL_MAX_GAMES 20
322 /* Different types of move when calling RegisterMove */
324 #define CMAIL_RESIGN 1
326 #define CMAIL_ACCEPT 3
328 /* Different types of result to remember for each game */
329 #define CMAIL_NOT_RESULT 0
330 #define CMAIL_OLD_RESULT 1
331 #define CMAIL_NEW_RESULT 2
333 /* Telnet protocol constants */
344 safeStrCpy (char *dst, const char *src, size_t count)
347 assert( dst != NULL );
348 assert( src != NULL );
351 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
352 if( i == count && dst[count-1] != NULLCHAR)
354 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
355 if(appData.debugMode)
356 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
362 /* Some compiler can't cast u64 to double
363 * This function do the job for us:
365 * We use the highest bit for cast, this only
366 * works if the highest bit is not
367 * in use (This should not happen)
369 * We used this for all compiler
372 u64ToDouble (u64 value)
375 u64 tmp = value & u64Const(0x7fffffffffffffff);
376 r = (double)(s64)tmp;
377 if (value & u64Const(0x8000000000000000))
378 r += 9.2233720368547758080e18; /* 2^63 */
382 /* Fake up flags for now, as we aren't keeping track of castling
383 availability yet. [HGM] Change of logic: the flag now only
384 indicates the type of castlings allowed by the rule of the game.
385 The actual rights themselves are maintained in the array
386 castlingRights, as part of the game history, and are not probed
392 int flags = F_ALL_CASTLE_OK;
393 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
394 switch (gameInfo.variant) {
396 flags &= ~F_ALL_CASTLE_OK;
397 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
398 flags |= F_IGNORE_CHECK;
400 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
403 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
405 case VariantKriegspiel:
406 flags |= F_KRIEGSPIEL_CAPTURE;
408 case VariantCapaRandom:
409 case VariantFischeRandom:
410 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
411 case VariantNoCastle:
412 case VariantShatranj:
417 flags &= ~F_ALL_CASTLE_OK;
420 case VariantChuChess:
422 flags |= F_NULL_MOVE;
427 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
431 FILE *gameFileFP, *debugFP, *serverFP;
432 char *currentDebugFile; // [HGM] debug split: to remember name
435 [AS] Note: sometimes, the sscanf() function is used to parse the input
436 into a fixed-size buffer. Because of this, we must be prepared to
437 receive strings as long as the size of the input buffer, which is currently
438 set to 4K for Windows and 8K for the rest.
439 So, we must either allocate sufficiently large buffers here, or
440 reduce the size of the input buffer in the input reading part.
443 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
444 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
445 char thinkOutput1[MSG_SIZ*10];
446 char promoRestrict[MSG_SIZ];
448 ChessProgramState first, second, pairing;
450 /* premove variables */
453 int premoveFromX = 0;
454 int premoveFromY = 0;
455 int premovePromoChar = 0;
457 Boolean alarmSounded;
458 /* end premove variables */
460 char *ics_prefix = "$";
461 enum ICS_TYPE ics_type = ICS_GENERIC;
463 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
464 int pauseExamForwardMostMove = 0;
465 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
466 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
467 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
468 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
469 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
470 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
471 int whiteFlag = FALSE, blackFlag = FALSE;
472 int userOfferedDraw = FALSE;
473 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
474 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
475 int cmailMoveType[CMAIL_MAX_GAMES];
476 long ics_clock_paused = 0;
477 ProcRef icsPR = NoProc, cmailPR = NoProc;
478 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
479 GameMode gameMode = BeginningOfGame;
480 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
481 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
482 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
483 int hiddenThinkOutputState = 0; /* [AS] */
484 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
485 int adjudicateLossPlies = 6;
486 char white_holding[64], black_holding[64];
487 TimeMark lastNodeCountTime;
488 long lastNodeCount=0;
489 int shiftKey, controlKey; // [HGM] set by mouse handler
491 int have_sent_ICS_logon = 0;
493 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
494 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
495 Boolean adjustedClock;
496 long timeControl_2; /* [AS] Allow separate time controls */
497 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
498 long timeRemaining[2][MAX_MOVES];
499 int matchGame = 0, nextGame = 0, roundNr = 0;
500 Boolean waitingForGame = FALSE, startingEngine = FALSE;
501 TimeMark programStartTime, pauseStart;
502 char ics_handle[MSG_SIZ];
503 int have_set_title = 0;
505 /* animateTraining preserves the state of appData.animate
506 * when Training mode is activated. This allows the
507 * response to be animated when appData.animate == TRUE and
508 * appData.animateDragging == TRUE.
510 Boolean animateTraining;
516 Board boards[MAX_MOVES];
517 /* [HGM] Following 7 needed for accurate legality tests: */
518 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
519 unsigned char initialRights[BOARD_FILES];
520 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
521 int initialRulePlies, FENrulePlies;
522 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
524 Boolean shuffleOpenings;
525 int mute; // mute all sounds
527 // [HGM] vari: next 12 to save and restore variations
528 #define MAX_VARIATIONS 10
529 int framePtr = MAX_MOVES-1; // points to free stack entry
531 int savedFirst[MAX_VARIATIONS];
532 int savedLast[MAX_VARIATIONS];
533 int savedFramePtr[MAX_VARIATIONS];
534 char *savedDetails[MAX_VARIATIONS];
535 ChessMove savedResult[MAX_VARIATIONS];
537 void PushTail P((int firstMove, int lastMove));
538 Boolean PopTail P((Boolean annotate));
539 void PushInner P((int firstMove, int lastMove));
540 void PopInner P((Boolean annotate));
541 void CleanupTail P((void));
543 ChessSquare FIDEArray[2][BOARD_FILES] = {
544 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
545 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
546 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
547 BlackKing, BlackBishop, BlackKnight, BlackRook }
550 ChessSquare twoKingsArray[2][BOARD_FILES] = {
551 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
552 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
553 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
554 BlackKing, BlackKing, BlackKnight, BlackRook }
557 ChessSquare KnightmateArray[2][BOARD_FILES] = {
558 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
559 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
560 { BlackRook, BlackMan, BlackBishop, BlackQueen,
561 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
564 ChessSquare SpartanArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
566 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
567 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
568 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
571 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
572 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
574 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
575 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
578 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
579 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
580 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
581 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
582 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
585 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
586 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
587 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
588 { BlackRook, BlackKnight, BlackMan, BlackFerz,
589 BlackKing, BlackMan, BlackKnight, BlackRook }
592 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
593 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
594 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
595 { BlackRook, BlackKnight, BlackMan, BlackFerz,
596 BlackKing, BlackMan, BlackKnight, BlackRook }
599 ChessSquare lionArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
601 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackLion, BlackBishop, BlackQueen,
603 BlackKing, BlackBishop, BlackKnight, BlackRook }
607 #if (BOARD_FILES>=10)
608 ChessSquare ShogiArray[2][BOARD_FILES] = {
609 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
610 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
611 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
612 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
615 ChessSquare XiangqiArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
617 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
619 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
622 ChessSquare CapablancaArray[2][BOARD_FILES] = {
623 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
624 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
625 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
626 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
629 ChessSquare GreatArray[2][BOARD_FILES] = {
630 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
631 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
632 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
633 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
636 ChessSquare JanusArray[2][BOARD_FILES] = {
637 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
638 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
639 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
640 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
643 ChessSquare GrandArray[2][BOARD_FILES] = {
644 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
645 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
646 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
647 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
650 ChessSquare ChuChessArray[2][BOARD_FILES] = {
651 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
652 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
653 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
654 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
658 ChessSquare GothicArray[2][BOARD_FILES] = {
659 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
660 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
661 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
662 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
665 #define GothicArray CapablancaArray
669 ChessSquare FalconArray[2][BOARD_FILES] = {
670 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
671 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
672 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
673 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
676 #define FalconArray CapablancaArray
679 #else // !(BOARD_FILES>=10)
680 #define XiangqiPosition FIDEArray
681 #define CapablancaArray FIDEArray
682 #define GothicArray FIDEArray
683 #define GreatArray FIDEArray
684 #endif // !(BOARD_FILES>=10)
686 #if (BOARD_FILES>=12)
687 ChessSquare CourierArray[2][BOARD_FILES] = {
688 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
689 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
690 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
691 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
693 ChessSquare ChuArray[6][BOARD_FILES] = {
694 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
695 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
696 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
697 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
698 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
699 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
700 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
701 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
702 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
703 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
704 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
705 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
707 #else // !(BOARD_FILES>=12)
708 #define CourierArray CapablancaArray
709 #define ChuArray CapablancaArray
710 #endif // !(BOARD_FILES>=12)
713 Board initialPosition;
716 /* Convert str to a rating. Checks for special cases of "----",
718 "++++", etc. Also strips ()'s */
720 string_to_rating (char *str)
722 while(*str && !isdigit(*str)) ++str;
724 return 0; /* One of the special "no rating" cases */
732 /* Init programStats */
733 programStats.movelist[0] = 0;
734 programStats.depth = 0;
735 programStats.nr_moves = 0;
736 programStats.moves_left = 0;
737 programStats.nodes = 0;
738 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
739 programStats.score = 0;
740 programStats.got_only_move = 0;
741 programStats.got_fail = 0;
742 programStats.line_is_book = 0;
747 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
748 if (appData.firstPlaysBlack) {
749 first.twoMachinesColor = "black\n";
750 second.twoMachinesColor = "white\n";
752 first.twoMachinesColor = "white\n";
753 second.twoMachinesColor = "black\n";
756 first.other = &second;
757 second.other = &first;
760 if(appData.timeOddsMode) {
761 norm = appData.timeOdds[0];
762 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
764 first.timeOdds = appData.timeOdds[0]/norm;
765 second.timeOdds = appData.timeOdds[1]/norm;
768 if(programVersion) free(programVersion);
769 if (appData.noChessProgram) {
770 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
771 sprintf(programVersion, "%s", PACKAGE_STRING);
773 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
774 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
775 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
780 UnloadEngine (ChessProgramState *cps)
782 /* Kill off first chess program */
783 if (cps->isr != NULL)
784 RemoveInputSource(cps->isr);
787 if (cps->pr != NoProc) {
789 DoSleep( appData.delayBeforeQuit );
790 SendToProgram("quit\n", cps);
791 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
794 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
798 ClearOptions (ChessProgramState *cps)
801 cps->nrOptions = cps->comboCnt = 0;
802 for(i=0; i<MAX_OPTIONS; i++) {
803 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
804 cps->option[i].textValue = 0;
808 char *engineNames[] = {
809 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
810 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
812 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
813 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
818 InitEngine (ChessProgramState *cps, int n)
819 { // [HGM] all engine initialiation put in a function that does one engine
823 cps->which = engineNames[n];
824 cps->maybeThinking = FALSE;
828 cps->sendDrawOffers = 1;
830 cps->program = appData.chessProgram[n];
831 cps->host = appData.host[n];
832 cps->dir = appData.directory[n];
833 cps->initString = appData.engInitString[n];
834 cps->computerString = appData.computerString[n];
835 cps->useSigint = TRUE;
836 cps->useSigterm = TRUE;
837 cps->reuse = appData.reuse[n];
838 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
839 cps->useSetboard = FALSE;
841 cps->usePing = FALSE;
844 cps->usePlayother = FALSE;
845 cps->useColors = TRUE;
846 cps->useUsermove = FALSE;
847 cps->sendICS = FALSE;
848 cps->sendName = appData.icsActive;
849 cps->sdKludge = FALSE;
850 cps->stKludge = FALSE;
851 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
852 TidyProgramName(cps->program, cps->host, cps->tidy);
854 ASSIGN(cps->variants, appData.noChessProgram ? "" : appData.variant);
855 cps->analysisSupport = 2; /* detect */
856 cps->analyzing = FALSE;
857 cps->initDone = FALSE;
859 cps->pseudo = appData.pseudo[n];
861 /* New features added by Tord: */
862 cps->useFEN960 = FALSE;
863 cps->useOOCastle = TRUE;
864 /* End of new features added by Tord. */
865 cps->fenOverride = appData.fenOverride[n];
867 /* [HGM] time odds: set factor for each machine */
868 cps->timeOdds = appData.timeOdds[n];
870 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
871 cps->accumulateTC = appData.accumulateTC[n];
872 cps->maxNrOfSessions = 1;
877 cps->drawDepth = appData.drawDepth[n];
878 cps->supportsNPS = UNKNOWN;
879 cps->memSize = FALSE;
880 cps->maxCores = FALSE;
881 ASSIGN(cps->egtFormats, "");
884 cps->optionSettings = appData.engOptions[n];
886 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
887 cps->isUCI = appData.isUCI[n]; /* [AS] */
888 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
891 if (appData.protocolVersion[n] > PROTOVER
892 || appData.protocolVersion[n] < 1)
897 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
898 appData.protocolVersion[n]);
899 if( (len >= MSG_SIZ) && appData.debugMode )
900 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
902 DisplayFatalError(buf, 0, 2);
906 cps->protocolVersion = appData.protocolVersion[n];
909 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
910 ParseFeatures(appData.featureDefaults, cps);
913 ChessProgramState *savCps;
921 if(WaitForEngine(savCps, LoadEngine)) return;
922 CommonEngineInit(); // recalculate time odds
923 if(gameInfo.variant != StringToVariant(appData.variant)) {
924 // we changed variant when loading the engine; this forces us to reset
925 Reset(TRUE, savCps != &first);
926 oldMode = BeginningOfGame; // to prevent restoring old mode
928 InitChessProgram(savCps, FALSE);
929 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
930 DisplayMessage("", "");
931 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
932 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
935 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
939 ReplaceEngine (ChessProgramState *cps, int n)
941 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
943 if(oldMode != BeginningOfGame) EditGameEvent();
946 appData.noChessProgram = FALSE;
947 appData.clockMode = TRUE;
950 if(n) return; // only startup first engine immediately; second can wait
951 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
955 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
956 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
958 static char resetOptions[] =
959 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
960 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
961 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 -fd \".\" "
962 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
965 FloatToFront(char **list, char *engineLine)
967 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
969 if(appData.recentEngines <= 0) return;
970 TidyProgramName(engineLine, "localhost", tidy+1);
971 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
972 strncpy(buf+1, *list, MSG_SIZ-50);
973 if(p = strstr(buf, tidy)) { // tidy name appears in list
974 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
975 while(*p++ = *++q); // squeeze out
977 strcat(tidy, buf+1); // put list behind tidy name
978 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
979 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
980 ASSIGN(*list, tidy+1);
983 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
986 Load (ChessProgramState *cps, int i)
988 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
989 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
990 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
991 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
992 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
993 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
994 appData.firstProtocolVersion = PROTOVER;
995 ParseArgsFromString(buf);
997 ReplaceEngine(cps, i);
998 FloatToFront(&appData.recentEngineList, engineLine);
1002 while(q = strchr(p, SLASH)) p = q+1;
1003 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1004 if(engineDir[0] != NULLCHAR) {
1005 ASSIGN(appData.directory[i], engineDir); p = engineName;
1006 } else if(p != engineName) { // derive directory from engine path, when not given
1008 ASSIGN(appData.directory[i], engineName);
1010 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1011 } else { ASSIGN(appData.directory[i], "."); }
1012 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1014 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1015 snprintf(command, MSG_SIZ, "%s %s", p, params);
1018 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1019 ASSIGN(appData.chessProgram[i], p);
1020 appData.isUCI[i] = isUCI;
1021 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1022 appData.hasOwnBookUCI[i] = hasBook;
1023 if(!nickName[0]) useNick = FALSE;
1024 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1028 q = firstChessProgramNames;
1029 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1030 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1031 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1032 quote, p, quote, appData.directory[i],
1033 useNick ? " -fn \"" : "",
1034 useNick ? nickName : "",
1035 useNick ? "\"" : "",
1036 v1 ? " -firstProtocolVersion 1" : "",
1037 hasBook ? "" : " -fNoOwnBookUCI",
1038 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1039 storeVariant ? " -variant " : "",
1040 storeVariant ? VariantName(gameInfo.variant) : "");
1041 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1042 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1043 if(insert != q) insert[-1] = NULLCHAR;
1044 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1046 FloatToFront(&appData.recentEngineList, buf);
1048 ReplaceEngine(cps, i);
1054 int matched, min, sec;
1056 * Parse timeControl resource
1058 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1059 appData.movesPerSession)) {
1061 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1062 DisplayFatalError(buf, 0, 2);
1066 * Parse searchTime resource
1068 if (*appData.searchTime != NULLCHAR) {
1069 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1071 searchTime = min * 60;
1072 } else if (matched == 2) {
1073 searchTime = min * 60 + sec;
1076 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1077 DisplayFatalError(buf, 0, 2);
1086 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1087 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1089 GetTimeMark(&programStartTime);
1090 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1091 appData.seedBase = random() + (random()<<15);
1092 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1094 ClearProgramStats();
1095 programStats.ok_to_send = 1;
1096 programStats.seen_stat = 0;
1099 * Initialize game list
1105 * Internet chess server status
1107 if (appData.icsActive) {
1108 appData.matchMode = FALSE;
1109 appData.matchGames = 0;
1111 appData.noChessProgram = !appData.zippyPlay;
1113 appData.zippyPlay = FALSE;
1114 appData.zippyTalk = FALSE;
1115 appData.noChessProgram = TRUE;
1117 if (*appData.icsHelper != NULLCHAR) {
1118 appData.useTelnet = TRUE;
1119 appData.telnetProgram = appData.icsHelper;
1122 appData.zippyTalk = appData.zippyPlay = FALSE;
1125 /* [AS] Initialize pv info list [HGM] and game state */
1129 for( i=0; i<=framePtr; i++ ) {
1130 pvInfoList[i].depth = -1;
1131 boards[i][EP_STATUS] = EP_NONE;
1132 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1138 /* [AS] Adjudication threshold */
1139 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1141 InitEngine(&first, 0);
1142 InitEngine(&second, 1);
1145 pairing.which = "pairing"; // pairing engine
1146 pairing.pr = NoProc;
1148 pairing.program = appData.pairingEngine;
1149 pairing.host = "localhost";
1152 if (appData.icsActive) {
1153 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1154 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1155 appData.clockMode = FALSE;
1156 first.sendTime = second.sendTime = 0;
1160 /* Override some settings from environment variables, for backward
1161 compatibility. Unfortunately it's not feasible to have the env
1162 vars just set defaults, at least in xboard. Ugh.
1164 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1169 if (!appData.icsActive) {
1173 /* Check for variants that are supported only in ICS mode,
1174 or not at all. Some that are accepted here nevertheless
1175 have bugs; see comments below.
1177 VariantClass variant = StringToVariant(appData.variant);
1179 case VariantBughouse: /* need four players and two boards */
1180 case VariantKriegspiel: /* need to hide pieces and move details */
1181 /* case VariantFischeRandom: (Fabien: moved below) */
1182 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1183 if( (len >= MSG_SIZ) && appData.debugMode )
1184 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1186 DisplayFatalError(buf, 0, 2);
1189 case VariantUnknown:
1190 case VariantLoadable:
1200 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1201 if( (len >= MSG_SIZ) && appData.debugMode )
1202 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1204 DisplayFatalError(buf, 0, 2);
1207 case VariantNormal: /* definitely works! */
1208 if(strcmp(appData.variant, "normal") && !appData.noChessProgram) { // [HGM] hope this is an engine-defined variant
1209 safeStrCpy(engineVariant, appData.variant, MSG_SIZ);
1212 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1213 case VariantFairy: /* [HGM] TestLegality definitely off! */
1214 case VariantGothic: /* [HGM] should work */
1215 case VariantCapablanca: /* [HGM] should work */
1216 case VariantCourier: /* [HGM] initial forced moves not implemented */
1217 case VariantShogi: /* [HGM] could still mate with pawn drop */
1218 case VariantChu: /* [HGM] experimental */
1219 case VariantKnightmate: /* [HGM] should work */
1220 case VariantCylinder: /* [HGM] untested */
1221 case VariantFalcon: /* [HGM] untested */
1222 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1223 offboard interposition not understood */
1224 case VariantWildCastle: /* pieces not automatically shuffled */
1225 case VariantNoCastle: /* pieces not automatically shuffled */
1226 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1227 case VariantLosers: /* should work except for win condition,
1228 and doesn't know captures are mandatory */
1229 case VariantSuicide: /* should work except for win condition,
1230 and doesn't know captures are mandatory */
1231 case VariantGiveaway: /* should work except for win condition,
1232 and doesn't know captures are mandatory */
1233 case VariantTwoKings: /* should work */
1234 case VariantAtomic: /* should work except for win condition */
1235 case Variant3Check: /* should work except for win condition */
1236 case VariantShatranj: /* should work except for all win conditions */
1237 case VariantMakruk: /* should work except for draw countdown */
1238 case VariantASEAN : /* should work except for draw countdown */
1239 case VariantBerolina: /* might work if TestLegality is off */
1240 case VariantCapaRandom: /* should work */
1241 case VariantJanus: /* should work */
1242 case VariantSuper: /* experimental */
1243 case VariantGreat: /* experimental, requires legality testing to be off */
1244 case VariantSChess: /* S-Chess, should work */
1245 case VariantGrand: /* should work */
1246 case VariantSpartan: /* should work */
1247 case VariantLion: /* should work */
1248 case VariantChuChess: /* should work */
1256 NextIntegerFromString (char ** str, long * value)
1261 while( *s == ' ' || *s == '\t' ) {
1267 if( *s >= '0' && *s <= '9' ) {
1268 while( *s >= '0' && *s <= '9' ) {
1269 *value = *value * 10 + (*s - '0');
1282 NextTimeControlFromString (char ** str, long * value)
1285 int result = NextIntegerFromString( str, &temp );
1288 *value = temp * 60; /* Minutes */
1289 if( **str == ':' ) {
1291 result = NextIntegerFromString( str, &temp );
1292 *value += temp; /* Seconds */
1300 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1301 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1302 int result = -1, type = 0; long temp, temp2;
1304 if(**str != ':') return -1; // old params remain in force!
1306 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1307 if( NextIntegerFromString( str, &temp ) ) return -1;
1308 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1311 /* time only: incremental or sudden-death time control */
1312 if(**str == '+') { /* increment follows; read it */
1314 if(**str == '!') type = *(*str)++; // Bronstein TC
1315 if(result = NextIntegerFromString( str, &temp2)) return -1;
1316 *inc = temp2 * 1000;
1317 if(**str == '.') { // read fraction of increment
1318 char *start = ++(*str);
1319 if(result = NextIntegerFromString( str, &temp2)) return -1;
1321 while(start++ < *str) temp2 /= 10;
1325 *moves = 0; *tc = temp * 1000; *incType = type;
1329 (*str)++; /* classical time control */
1330 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1342 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1343 { /* [HGM] get time to add from the multi-session time-control string */
1344 int incType, moves=1; /* kludge to force reading of first session */
1345 long time, increment;
1348 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1350 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1351 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1352 if(movenr == -1) return time; /* last move before new session */
1353 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1354 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1355 if(!moves) return increment; /* current session is incremental */
1356 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1357 } while(movenr >= -1); /* try again for next session */
1359 return 0; // no new time quota on this move
1363 ParseTimeControl (char *tc, float ti, int mps)
1367 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1370 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1371 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1372 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1376 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1378 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1381 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1383 snprintf(buf, MSG_SIZ, ":%s", mytc);
1385 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1387 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1392 /* Parse second time control */
1395 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1403 timeControl_2 = tc2 * 1000;
1413 timeControl = tc1 * 1000;
1416 timeIncrement = ti * 1000; /* convert to ms */
1417 movesPerSession = 0;
1420 movesPerSession = mps;
1428 if (appData.debugMode) {
1429 # ifdef __GIT_VERSION
1430 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1432 fprintf(debugFP, "Version: %s\n", programVersion);
1435 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1437 set_cont_sequence(appData.wrapContSeq);
1438 if (appData.matchGames > 0) {
1439 appData.matchMode = TRUE;
1440 } else if (appData.matchMode) {
1441 appData.matchGames = 1;
1443 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1444 appData.matchGames = appData.sameColorGames;
1445 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1446 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1447 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1450 if (appData.noChessProgram || first.protocolVersion == 1) {
1453 /* kludge: allow timeout for initial "feature" commands */
1455 DisplayMessage("", _("Starting chess program"));
1456 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1461 CalculateIndex (int index, int gameNr)
1462 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1464 if(index > 0) return index; // fixed nmber
1465 if(index == 0) return 1;
1466 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1467 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1472 LoadGameOrPosition (int gameNr)
1473 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1474 if (*appData.loadGameFile != NULLCHAR) {
1475 if (!LoadGameFromFile(appData.loadGameFile,
1476 CalculateIndex(appData.loadGameIndex, gameNr),
1477 appData.loadGameFile, FALSE)) {
1478 DisplayFatalError(_("Bad game file"), 0, 1);
1481 } else if (*appData.loadPositionFile != NULLCHAR) {
1482 if (!LoadPositionFromFile(appData.loadPositionFile,
1483 CalculateIndex(appData.loadPositionIndex, gameNr),
1484 appData.loadPositionFile)) {
1485 DisplayFatalError(_("Bad position file"), 0, 1);
1493 ReserveGame (int gameNr, char resChar)
1495 FILE *tf = fopen(appData.tourneyFile, "r+");
1496 char *p, *q, c, buf[MSG_SIZ];
1497 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1498 safeStrCpy(buf, lastMsg, MSG_SIZ);
1499 DisplayMessage(_("Pick new game"), "");
1500 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1501 ParseArgsFromFile(tf);
1502 p = q = appData.results;
1503 if(appData.debugMode) {
1504 char *r = appData.participants;
1505 fprintf(debugFP, "results = '%s'\n", p);
1506 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1507 fprintf(debugFP, "\n");
1509 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1511 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1512 safeStrCpy(q, p, strlen(p) + 2);
1513 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1514 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1515 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1516 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1519 fseek(tf, -(strlen(p)+4), SEEK_END);
1521 if(c != '"') // depending on DOS or Unix line endings we can be one off
1522 fseek(tf, -(strlen(p)+2), SEEK_END);
1523 else fseek(tf, -(strlen(p)+3), SEEK_END);
1524 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1525 DisplayMessage(buf, "");
1526 free(p); appData.results = q;
1527 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1528 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1529 int round = appData.defaultMatchGames * appData.tourneyType;
1530 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1531 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1532 UnloadEngine(&first); // next game belongs to other pairing;
1533 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1535 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1539 MatchEvent (int mode)
1540 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1542 if(matchMode) { // already in match mode: switch it off
1544 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1547 // if(gameMode != BeginningOfGame) {
1548 // DisplayError(_("You can only start a match from the initial position."), 0);
1552 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1553 /* Set up machine vs. machine match */
1555 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1556 if(appData.tourneyFile[0]) {
1558 if(nextGame > appData.matchGames) {
1560 if(strchr(appData.results, '*') == NULL) {
1562 appData.tourneyCycles++;
1563 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1565 NextTourneyGame(-1, &dummy);
1567 if(nextGame <= appData.matchGames) {
1568 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1570 ScheduleDelayedEvent(NextMatchGame, 10000);
1575 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1576 DisplayError(buf, 0);
1577 appData.tourneyFile[0] = 0;
1581 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1582 DisplayFatalError(_("Can't have a match with no chess programs"),
1587 matchGame = roundNr = 1;
1588 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1592 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1595 InitBackEnd3 P((void))
1597 GameMode initialMode;
1601 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1602 !strcmp(appData.variant, "normal") && // no explicit variant request
1603 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1604 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1605 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1606 char c, *q = first.variants, *p = strchr(q, ',');
1607 if(p) *p = NULLCHAR;
1608 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1610 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1611 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1612 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1613 Reset(TRUE, FALSE); // and re-initialize
1618 InitChessProgram(&first, startedFromSetupPosition);
1620 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1621 free(programVersion);
1622 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1623 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1624 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1627 if (appData.icsActive) {
1629 /* [DM] Make a console window if needed [HGM] merged ifs */
1635 if (*appData.icsCommPort != NULLCHAR)
1636 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1637 appData.icsCommPort);
1639 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1640 appData.icsHost, appData.icsPort);
1642 if( (len >= MSG_SIZ) && appData.debugMode )
1643 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1645 DisplayFatalError(buf, err, 1);
1650 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1652 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1653 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1654 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1655 } else if (appData.noChessProgram) {
1661 if (*appData.cmailGameName != NULLCHAR) {
1663 OpenLoopback(&cmailPR);
1665 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1669 DisplayMessage("", "");
1670 if (StrCaseCmp(appData.initialMode, "") == 0) {
1671 initialMode = BeginningOfGame;
1672 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1673 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1674 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1675 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1678 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1679 initialMode = TwoMachinesPlay;
1680 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1681 initialMode = AnalyzeFile;
1682 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1683 initialMode = AnalyzeMode;
1684 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1685 initialMode = MachinePlaysWhite;
1686 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1687 initialMode = MachinePlaysBlack;
1688 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1689 initialMode = EditGame;
1690 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1691 initialMode = EditPosition;
1692 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1693 initialMode = Training;
1695 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1696 if( (len >= MSG_SIZ) && appData.debugMode )
1697 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1699 DisplayFatalError(buf, 0, 2);
1703 if (appData.matchMode) {
1704 if(appData.tourneyFile[0]) { // start tourney from command line
1706 if(f = fopen(appData.tourneyFile, "r")) {
1707 ParseArgsFromFile(f); // make sure tourney parmeters re known
1709 appData.clockMode = TRUE;
1711 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1714 } else if (*appData.cmailGameName != NULLCHAR) {
1715 /* Set up cmail mode */
1716 ReloadCmailMsgEvent(TRUE);
1718 /* Set up other modes */
1719 if (initialMode == AnalyzeFile) {
1720 if (*appData.loadGameFile == NULLCHAR) {
1721 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1725 if (*appData.loadGameFile != NULLCHAR) {
1726 (void) LoadGameFromFile(appData.loadGameFile,
1727 appData.loadGameIndex,
1728 appData.loadGameFile, TRUE);
1729 } else if (*appData.loadPositionFile != NULLCHAR) {
1730 (void) LoadPositionFromFile(appData.loadPositionFile,
1731 appData.loadPositionIndex,
1732 appData.loadPositionFile);
1733 /* [HGM] try to make self-starting even after FEN load */
1734 /* to allow automatic setup of fairy variants with wtm */
1735 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1736 gameMode = BeginningOfGame;
1737 setboardSpoiledMachineBlack = 1;
1739 /* [HGM] loadPos: make that every new game uses the setup */
1740 /* from file as long as we do not switch variant */
1741 if(!blackPlaysFirst) {
1742 startedFromPositionFile = TRUE;
1743 CopyBoard(filePosition, boards[0]);
1744 CopyBoard(initialPosition, boards[0]);
1747 if (initialMode == AnalyzeMode) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1752 if (appData.icsActive) {
1753 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1757 } else if (initialMode == AnalyzeFile) {
1758 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1759 ShowThinkingEvent();
1761 AnalysisPeriodicEvent(1);
1762 } else if (initialMode == MachinePlaysWhite) {
1763 if (appData.noChessProgram) {
1764 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1768 if (appData.icsActive) {
1769 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1773 MachineWhiteEvent();
1774 } else if (initialMode == MachinePlaysBlack) {
1775 if (appData.noChessProgram) {
1776 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1780 if (appData.icsActive) {
1781 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1785 MachineBlackEvent();
1786 } else if (initialMode == TwoMachinesPlay) {
1787 if (appData.noChessProgram) {
1788 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1792 if (appData.icsActive) {
1793 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1798 } else if (initialMode == EditGame) {
1800 } else if (initialMode == EditPosition) {
1801 EditPositionEvent();
1802 } else if (initialMode == Training) {
1803 if (*appData.loadGameFile == NULLCHAR) {
1804 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1813 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1815 DisplayBook(current+1);
1817 MoveHistorySet( movelist, first, last, current, pvInfoList );
1819 EvalGraphSet( first, last, current, pvInfoList );
1821 MakeEngineOutputTitle();
1825 * Establish will establish a contact to a remote host.port.
1826 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1827 * used to talk to the host.
1828 * Returns 0 if okay, error code if not.
1835 if (*appData.icsCommPort != NULLCHAR) {
1836 /* Talk to the host through a serial comm port */
1837 return OpenCommPort(appData.icsCommPort, &icsPR);
1839 } else if (*appData.gateway != NULLCHAR) {
1840 if (*appData.remoteShell == NULLCHAR) {
1841 /* Use the rcmd protocol to run telnet program on a gateway host */
1842 snprintf(buf, sizeof(buf), "%s %s %s",
1843 appData.telnetProgram, appData.icsHost, appData.icsPort);
1844 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1847 /* Use the rsh program to run telnet program on a gateway host */
1848 if (*appData.remoteUser == NULLCHAR) {
1849 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1850 appData.gateway, appData.telnetProgram,
1851 appData.icsHost, appData.icsPort);
1853 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1854 appData.remoteShell, appData.gateway,
1855 appData.remoteUser, appData.telnetProgram,
1856 appData.icsHost, appData.icsPort);
1858 return StartChildProcess(buf, "", &icsPR);
1861 } else if (appData.useTelnet) {
1862 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1865 /* TCP socket interface differs somewhat between
1866 Unix and NT; handle details in the front end.
1868 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1873 EscapeExpand (char *p, char *q)
1874 { // [HGM] initstring: routine to shape up string arguments
1875 while(*p++ = *q++) if(p[-1] == '\\')
1877 case 'n': p[-1] = '\n'; break;
1878 case 'r': p[-1] = '\r'; break;
1879 case 't': p[-1] = '\t'; break;
1880 case '\\': p[-1] = '\\'; break;
1881 case 0: *p = 0; return;
1882 default: p[-1] = q[-1]; break;
1887 show_bytes (FILE *fp, char *buf, int count)
1890 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1891 fprintf(fp, "\\%03o", *buf & 0xff);
1900 /* Returns an errno value */
1902 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1904 char buf[8192], *p, *q, *buflim;
1905 int left, newcount, outcount;
1907 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1908 *appData.gateway != NULLCHAR) {
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, message, count);
1912 fprintf(debugFP, "\n");
1914 return OutputToProcess(pr, message, count, outError);
1917 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1924 if (appData.debugMode) {
1925 fprintf(debugFP, ">ICS: ");
1926 show_bytes(debugFP, buf, newcount);
1927 fprintf(debugFP, "\n");
1929 outcount = OutputToProcess(pr, buf, newcount, outError);
1930 if (outcount < newcount) return -1; /* to be sure */
1937 } else if (((unsigned char) *p) == TN_IAC) {
1938 *q++ = (char) TN_IAC;
1945 if (appData.debugMode) {
1946 fprintf(debugFP, ">ICS: ");
1947 show_bytes(debugFP, buf, newcount);
1948 fprintf(debugFP, "\n");
1950 outcount = OutputToProcess(pr, buf, newcount, outError);
1951 if (outcount < newcount) return -1; /* to be sure */
1956 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1958 int outError, outCount;
1959 static int gotEof = 0;
1962 /* Pass data read from player on to ICS */
1965 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1966 if (outCount < count) {
1967 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1969 if(have_sent_ICS_logon == 2) {
1970 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1971 fprintf(ini, "%s", message);
1972 have_sent_ICS_logon = 3;
1974 have_sent_ICS_logon = 1;
1975 } else if(have_sent_ICS_logon == 3) {
1976 fprintf(ini, "%s", message);
1978 have_sent_ICS_logon = 1;
1980 } else if (count < 0) {
1981 RemoveInputSource(isr);
1982 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1983 } else if (gotEof++ > 0) {
1984 RemoveInputSource(isr);
1985 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1991 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1992 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1993 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1994 SendToICS("date\n");
1995 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1998 /* added routine for printf style output to ics */
2000 ics_printf (char *format, ...)
2002 char buffer[MSG_SIZ];
2005 va_start(args, format);
2006 vsnprintf(buffer, sizeof(buffer), format, args);
2007 buffer[sizeof(buffer)-1] = '\0';
2015 int count, outCount, outError;
2017 if (icsPR == NoProc) return;
2020 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2021 if (outCount < count) {
2022 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2026 /* This is used for sending logon scripts to the ICS. Sending
2027 without a delay causes problems when using timestamp on ICC
2028 (at least on my machine). */
2030 SendToICSDelayed (char *s, long msdelay)
2032 int count, outCount, outError;
2034 if (icsPR == NoProc) return;
2037 if (appData.debugMode) {
2038 fprintf(debugFP, ">ICS: ");
2039 show_bytes(debugFP, s, count);
2040 fprintf(debugFP, "\n");
2042 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2044 if (outCount < count) {
2045 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2050 /* Remove all highlighting escape sequences in s
2051 Also deletes any suffix starting with '('
2054 StripHighlightAndTitle (char *s)
2056 static char retbuf[MSG_SIZ];
2059 while (*s != NULLCHAR) {
2060 while (*s == '\033') {
2061 while (*s != NULLCHAR && !isalpha(*s)) s++;
2062 if (*s != NULLCHAR) s++;
2064 while (*s != NULLCHAR && *s != '\033') {
2065 if (*s == '(' || *s == '[') {
2076 /* Remove all highlighting escape sequences in s */
2078 StripHighlight (char *s)
2080 static char retbuf[MSG_SIZ];
2083 while (*s != NULLCHAR) {
2084 while (*s == '\033') {
2085 while (*s != NULLCHAR && !isalpha(*s)) s++;
2086 if (*s != NULLCHAR) s++;
2088 while (*s != NULLCHAR && *s != '\033') {
2096 char engineVariant[MSG_SIZ];
2097 char *variantNames[] = VARIANT_NAMES;
2099 VariantName (VariantClass v)
2101 if(v == VariantUnknown || *engineVariant) return engineVariant;
2102 return variantNames[v];
2106 /* Identify a variant from the strings the chess servers use or the
2107 PGN Variant tag names we use. */
2109 StringToVariant (char *e)
2113 VariantClass v = VariantNormal;
2114 int i, found = FALSE;
2115 char buf[MSG_SIZ], c;
2120 /* [HGM] skip over optional board-size prefixes */
2121 if( sscanf(e, "%dx%d_%c", &i, &i, &c) == 3 ||
2122 sscanf(e, "%dx%d+%d_%c", &i, &i, &i, &c) == 4 ) {
2123 while( *e++ != '_');
2126 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2130 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2131 if (p = StrCaseStr(e, variantNames[i])) {
2132 if(p && i >= VariantShogi && (p != e && !appData.icsActive || isalpha(p[strlen(variantNames[i])]))) continue;
2133 v = (VariantClass) i;
2140 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2141 || StrCaseStr(e, "wild/fr")
2142 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2143 v = VariantFischeRandom;
2144 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2145 (i = 1, p = StrCaseStr(e, "w"))) {
2147 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2154 case 0: /* FICS only, actually */
2156 /* Castling legal even if K starts on d-file */
2157 v = VariantWildCastle;
2162 /* Castling illegal even if K & R happen to start in
2163 normal positions. */
2164 v = VariantNoCastle;
2177 /* Castling legal iff K & R start in normal positions */
2183 /* Special wilds for position setup; unclear what to do here */
2184 v = VariantLoadable;
2187 /* Bizarre ICC game */
2188 v = VariantTwoKings;
2191 v = VariantKriegspiel;
2197 v = VariantFischeRandom;
2200 v = VariantCrazyhouse;
2203 v = VariantBughouse;
2209 /* Not quite the same as FICS suicide! */
2210 v = VariantGiveaway;
2216 v = VariantShatranj;
2219 /* Temporary names for future ICC types. The name *will* change in
2220 the next xboard/WinBoard release after ICC defines it. */
2258 v = VariantCapablanca;
2261 v = VariantKnightmate;
2267 v = VariantCylinder;
2273 v = VariantCapaRandom;
2276 v = VariantBerolina;
2288 /* Found "wild" or "w" in the string but no number;
2289 must assume it's normal chess. */
2293 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2294 if( (len >= MSG_SIZ) && appData.debugMode )
2295 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2297 DisplayError(buf, 0);
2303 if (appData.debugMode) {
2304 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2305 e, wnum, VariantName(v));
2310 static int leftover_start = 0, leftover_len = 0;
2311 char star_match[STAR_MATCH_N][MSG_SIZ];
2313 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2314 advance *index beyond it, and set leftover_start to the new value of
2315 *index; else return FALSE. If pattern contains the character '*', it
2316 matches any sequence of characters not containing '\r', '\n', or the
2317 character following the '*' (if any), and the matched sequence(s) are
2318 copied into star_match.
2321 looking_at ( char *buf, int *index, char *pattern)
2323 char *bufp = &buf[*index], *patternp = pattern;
2325 char *matchp = star_match[0];
2328 if (*patternp == NULLCHAR) {
2329 *index = leftover_start = bufp - buf;
2333 if (*bufp == NULLCHAR) return FALSE;
2334 if (*patternp == '*') {
2335 if (*bufp == *(patternp + 1)) {
2337 matchp = star_match[++star_count];
2341 } else if (*bufp == '\n' || *bufp == '\r') {
2343 if (*patternp == NULLCHAR)
2348 *matchp++ = *bufp++;
2352 if (*patternp != *bufp) return FALSE;
2359 SendToPlayer (char *data, int length)
2361 int error, outCount;
2362 outCount = OutputToProcess(NoProc, data, length, &error);
2363 if (outCount < length) {
2364 DisplayFatalError(_("Error writing to display"), error, 1);
2369 PackHolding (char packed[], char *holding)
2379 switch (runlength) {
2390 sprintf(q, "%d", runlength);
2402 /* Telnet protocol requests from the front end */
2404 TelnetRequest (unsigned char ddww, unsigned char option)
2406 unsigned char msg[3];
2407 int outCount, outError;
2409 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2411 if (appData.debugMode) {
2412 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2428 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2437 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2440 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2445 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2447 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2454 if (!appData.icsActive) return;
2455 TelnetRequest(TN_DO, TN_ECHO);
2461 if (!appData.icsActive) return;
2462 TelnetRequest(TN_DONT, TN_ECHO);
2466 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2468 /* put the holdings sent to us by the server on the board holdings area */
2469 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2473 if(gameInfo.holdingsWidth < 2) return;
2474 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2475 return; // prevent overwriting by pre-board holdings
2477 if( (int)lowestPiece >= BlackPawn ) {
2480 holdingsStartRow = BOARD_HEIGHT-1;
2483 holdingsColumn = BOARD_WIDTH-1;
2484 countsColumn = BOARD_WIDTH-2;
2485 holdingsStartRow = 0;
2489 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2490 board[i][holdingsColumn] = EmptySquare;
2491 board[i][countsColumn] = (ChessSquare) 0;
2493 while( (p=*holdings++) != NULLCHAR ) {
2494 piece = CharToPiece( ToUpper(p) );
2495 if(piece == EmptySquare) continue;
2496 /*j = (int) piece - (int) WhitePawn;*/
2497 j = PieceToNumber(piece);
2498 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2499 if(j < 0) continue; /* should not happen */
2500 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2501 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2502 board[holdingsStartRow+j*direction][countsColumn]++;
2508 VariantSwitch (Board board, VariantClass newVariant)
2510 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2511 static Board oldBoard;
2513 startedFromPositionFile = FALSE;
2514 if(gameInfo.variant == newVariant) return;
2516 /* [HGM] This routine is called each time an assignment is made to
2517 * gameInfo.variant during a game, to make sure the board sizes
2518 * are set to match the new variant. If that means adding or deleting
2519 * holdings, we shift the playing board accordingly
2520 * This kludge is needed because in ICS observe mode, we get boards
2521 * of an ongoing game without knowing the variant, and learn about the
2522 * latter only later. This can be because of the move list we requested,
2523 * in which case the game history is refilled from the beginning anyway,
2524 * but also when receiving holdings of a crazyhouse game. In the latter
2525 * case we want to add those holdings to the already received position.
2529 if (appData.debugMode) {
2530 fprintf(debugFP, "Switch board from %s to %s\n",
2531 VariantName(gameInfo.variant), VariantName(newVariant));
2532 setbuf(debugFP, NULL);
2534 shuffleOpenings = 0; /* [HGM] shuffle */
2535 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2539 newWidth = 9; newHeight = 9;
2540 gameInfo.holdingsSize = 7;
2541 case VariantBughouse:
2542 case VariantCrazyhouse:
2543 newHoldingsWidth = 2; break;
2547 newHoldingsWidth = 2;
2548 gameInfo.holdingsSize = 8;
2551 case VariantCapablanca:
2552 case VariantCapaRandom:
2555 newHoldingsWidth = gameInfo.holdingsSize = 0;
2558 if(newWidth != gameInfo.boardWidth ||
2559 newHeight != gameInfo.boardHeight ||
2560 newHoldingsWidth != gameInfo.holdingsWidth ) {
2562 /* shift position to new playing area, if needed */
2563 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2568 for(i=0; i<newHeight; i++) {
2569 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2570 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2572 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2573 for(i=0; i<BOARD_HEIGHT; i++)
2574 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2575 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2578 board[HOLDINGS_SET] = 0;
2579 gameInfo.boardWidth = newWidth;
2580 gameInfo.boardHeight = newHeight;
2581 gameInfo.holdingsWidth = newHoldingsWidth;
2582 gameInfo.variant = newVariant;
2583 InitDrawingSizes(-2, 0);
2584 } else gameInfo.variant = newVariant;
2585 CopyBoard(oldBoard, board); // remember correctly formatted board
2586 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2587 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2590 static int loggedOn = FALSE;
2592 /*-- Game start info cache: --*/
2594 char gs_kind[MSG_SIZ];
2595 static char player1Name[128] = "";
2596 static char player2Name[128] = "";
2597 static char cont_seq[] = "\n\\ ";
2598 static int player1Rating = -1;
2599 static int player2Rating = -1;
2600 /*----------------------------*/
2602 ColorClass curColor = ColorNormal;
2603 int suppressKibitz = 0;
2606 Boolean soughtPending = FALSE;
2607 Boolean seekGraphUp;
2608 #define MAX_SEEK_ADS 200
2610 char *seekAdList[MAX_SEEK_ADS];
2611 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2612 float tcList[MAX_SEEK_ADS];
2613 char colorList[MAX_SEEK_ADS];
2614 int nrOfSeekAds = 0;
2615 int minRating = 1010, maxRating = 2800;
2616 int hMargin = 10, vMargin = 20, h, w;
2617 extern int squareSize, lineGap;
2622 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2623 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2624 if(r < minRating+100 && r >=0 ) r = minRating+100;
2625 if(r > maxRating) r = maxRating;
2626 if(tc < 1.f) tc = 1.f;
2627 if(tc > 95.f) tc = 95.f;
2628 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2629 y = ((double)r - minRating)/(maxRating - minRating)
2630 * (h-vMargin-squareSize/8-1) + vMargin;
2631 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2632 if(strstr(seekAdList[i], " u ")) color = 1;
2633 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2634 !strstr(seekAdList[i], "bullet") &&
2635 !strstr(seekAdList[i], "blitz") &&
2636 !strstr(seekAdList[i], "standard") ) color = 2;
2637 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2638 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2642 PlotSingleSeekAd (int i)
2648 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2650 char buf[MSG_SIZ], *ext = "";
2651 VariantClass v = StringToVariant(type);
2652 if(strstr(type, "wild")) {
2653 ext = type + 4; // append wild number
2654 if(v == VariantFischeRandom) type = "chess960"; else
2655 if(v == VariantLoadable) type = "setup"; else
2656 type = VariantName(v);
2658 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2659 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2660 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2661 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2662 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2663 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2664 seekNrList[nrOfSeekAds] = nr;
2665 zList[nrOfSeekAds] = 0;
2666 seekAdList[nrOfSeekAds++] = StrSave(buf);
2667 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2672 EraseSeekDot (int i)
2674 int x = xList[i], y = yList[i], d=squareSize/4, k;
2675 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2676 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2677 // now replot every dot that overlapped
2678 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2679 int xx = xList[k], yy = yList[k];
2680 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2681 DrawSeekDot(xx, yy, colorList[k]);
2686 RemoveSeekAd (int nr)
2689 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2691 if(seekAdList[i]) free(seekAdList[i]);
2692 seekAdList[i] = seekAdList[--nrOfSeekAds];
2693 seekNrList[i] = seekNrList[nrOfSeekAds];
2694 ratingList[i] = ratingList[nrOfSeekAds];
2695 colorList[i] = colorList[nrOfSeekAds];
2696 tcList[i] = tcList[nrOfSeekAds];
2697 xList[i] = xList[nrOfSeekAds];
2698 yList[i] = yList[nrOfSeekAds];
2699 zList[i] = zList[nrOfSeekAds];
2700 seekAdList[nrOfSeekAds] = NULL;
2706 MatchSoughtLine (char *line)
2708 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2709 int nr, base, inc, u=0; char dummy;
2711 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2712 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2714 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2715 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2716 // match: compact and save the line
2717 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2727 if(!seekGraphUp) return FALSE;
2728 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap + 2*border;
2729 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap + 2*border;
2731 DrawSeekBackground(0, 0, w, h);
2732 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2733 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2734 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2735 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2737 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2740 snprintf(buf, MSG_SIZ, "%d", i);
2741 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2744 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2745 for(i=1; i<100; i+=(i<10?1:5)) {
2746 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2747 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2748 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2750 snprintf(buf, MSG_SIZ, "%d", i);
2751 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2754 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2759 SeekGraphClick (ClickType click, int x, int y, int moving)
2761 static int lastDown = 0, displayed = 0, lastSecond;
2762 if(y < 0) return FALSE;
2763 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2764 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2765 if(!seekGraphUp) return FALSE;
2766 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2767 DrawPosition(TRUE, NULL);
2770 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2771 if(click == Release || moving) return FALSE;
2773 soughtPending = TRUE;
2774 SendToICS(ics_prefix);
2775 SendToICS("sought\n"); // should this be "sought all"?
2776 } else { // issue challenge based on clicked ad
2777 int dist = 10000; int i, closest = 0, second = 0;
2778 for(i=0; i<nrOfSeekAds; i++) {
2779 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2780 if(d < dist) { dist = d; closest = i; }
2781 second += (d - zList[i] < 120); // count in-range ads
2782 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2786 second = (second > 1);
2787 if(displayed != closest || second != lastSecond) {
2788 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2789 lastSecond = second; displayed = closest;
2791 if(click == Press) {
2792 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2795 } // on press 'hit', only show info
2796 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2797 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2798 SendToICS(ics_prefix);
2800 return TRUE; // let incoming board of started game pop down the graph
2801 } else if(click == Release) { // release 'miss' is ignored
2802 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2803 if(moving == 2) { // right up-click
2804 nrOfSeekAds = 0; // refresh graph
2805 soughtPending = TRUE;
2806 SendToICS(ics_prefix);
2807 SendToICS("sought\n"); // should this be "sought all"?
2810 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2811 // press miss or release hit 'pop down' seek graph
2812 seekGraphUp = FALSE;
2813 DrawPosition(TRUE, NULL);
2819 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2821 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2822 #define STARTED_NONE 0
2823 #define STARTED_MOVES 1
2824 #define STARTED_BOARD 2
2825 #define STARTED_OBSERVE 3
2826 #define STARTED_HOLDINGS 4
2827 #define STARTED_CHATTER 5
2828 #define STARTED_COMMENT 6
2829 #define STARTED_MOVES_NOHIDE 7
2831 static int started = STARTED_NONE;
2832 static char parse[20000];
2833 static int parse_pos = 0;
2834 static char buf[BUF_SIZE + 1];
2835 static int firstTime = TRUE, intfSet = FALSE;
2836 static ColorClass prevColor = ColorNormal;
2837 static int savingComment = FALSE;
2838 static int cmatch = 0; // continuation sequence match
2845 int backup; /* [DM] For zippy color lines */
2847 char talker[MSG_SIZ]; // [HGM] chat
2848 int channel, collective=0;
2850 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2852 if (appData.debugMode) {
2854 fprintf(debugFP, "<ICS: ");
2855 show_bytes(debugFP, data, count);
2856 fprintf(debugFP, "\n");
2860 if (appData.debugMode) { int f = forwardMostMove;
2861 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2862 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2863 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2866 /* If last read ended with a partial line that we couldn't parse,
2867 prepend it to the new read and try again. */
2868 if (leftover_len > 0) {
2869 for (i=0; i<leftover_len; i++)
2870 buf[i] = buf[leftover_start + i];
2873 /* copy new characters into the buffer */
2874 bp = buf + leftover_len;
2875 buf_len=leftover_len;
2876 for (i=0; i<count; i++)
2879 if (data[i] == '\r')
2882 // join lines split by ICS?
2883 if (!appData.noJoin)
2886 Joining just consists of finding matches against the
2887 continuation sequence, and discarding that sequence
2888 if found instead of copying it. So, until a match
2889 fails, there's nothing to do since it might be the
2890 complete sequence, and thus, something we don't want
2893 if (data[i] == cont_seq[cmatch])
2896 if (cmatch == strlen(cont_seq))
2898 cmatch = 0; // complete match. just reset the counter
2901 it's possible for the ICS to not include the space
2902 at the end of the last word, making our [correct]
2903 join operation fuse two separate words. the server
2904 does this when the space occurs at the width setting.
2906 if (!buf_len || buf[buf_len-1] != ' ')
2917 match failed, so we have to copy what matched before
2918 falling through and copying this character. In reality,
2919 this will only ever be just the newline character, but
2920 it doesn't hurt to be precise.
2922 strncpy(bp, cont_seq, cmatch);
2934 buf[buf_len] = NULLCHAR;
2935 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2940 while (i < buf_len) {
2941 /* Deal with part of the TELNET option negotiation
2942 protocol. We refuse to do anything beyond the
2943 defaults, except that we allow the WILL ECHO option,
2944 which ICS uses to turn off password echoing when we are
2945 directly connected to it. We reject this option
2946 if localLineEditing mode is on (always on in xboard)
2947 and we are talking to port 23, which might be a real
2948 telnet server that will try to keep WILL ECHO on permanently.
2950 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2951 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2952 unsigned char option;
2954 switch ((unsigned char) buf[++i]) {
2956 if (appData.debugMode)
2957 fprintf(debugFP, "\n<WILL ");
2958 switch (option = (unsigned char) buf[++i]) {
2960 if (appData.debugMode)
2961 fprintf(debugFP, "ECHO ");
2962 /* Reply only if this is a change, according
2963 to the protocol rules. */
2964 if (remoteEchoOption) break;
2965 if (appData.localLineEditing &&
2966 atoi(appData.icsPort) == TN_PORT) {
2967 TelnetRequest(TN_DONT, TN_ECHO);
2970 TelnetRequest(TN_DO, TN_ECHO);
2971 remoteEchoOption = TRUE;
2975 if (appData.debugMode)
2976 fprintf(debugFP, "%d ", option);
2977 /* Whatever this is, we don't want it. */
2978 TelnetRequest(TN_DONT, option);
2983 if (appData.debugMode)
2984 fprintf(debugFP, "\n<WONT ");
2985 switch (option = (unsigned char) buf[++i]) {
2987 if (appData.debugMode)
2988 fprintf(debugFP, "ECHO ");
2989 /* Reply only if this is a change, according
2990 to the protocol rules. */
2991 if (!remoteEchoOption) break;
2993 TelnetRequest(TN_DONT, TN_ECHO);
2994 remoteEchoOption = FALSE;
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", (unsigned char) option);
2999 /* Whatever this is, it must already be turned
3000 off, because we never agree to turn on
3001 anything non-default, so according to the
3002 protocol rules, we don't reply. */
3007 if (appData.debugMode)
3008 fprintf(debugFP, "\n<DO ");
3009 switch (option = (unsigned char) buf[++i]) {
3011 /* Whatever this is, we refuse to do it. */
3012 if (appData.debugMode)
3013 fprintf(debugFP, "%d ", option);
3014 TelnetRequest(TN_WONT, option);
3019 if (appData.debugMode)
3020 fprintf(debugFP, "\n<DONT ");
3021 switch (option = (unsigned char) buf[++i]) {
3023 if (appData.debugMode)
3024 fprintf(debugFP, "%d ", option);
3025 /* Whatever this is, we are already not doing
3026 it, because we never agree to do anything
3027 non-default, so according to the protocol
3028 rules, we don't reply. */
3033 if (appData.debugMode)
3034 fprintf(debugFP, "\n<IAC ");
3035 /* Doubled IAC; pass it through */
3039 if (appData.debugMode)
3040 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3041 /* Drop all other telnet commands on the floor */
3044 if (oldi > next_out)
3045 SendToPlayer(&buf[next_out], oldi - next_out);
3051 /* OK, this at least will *usually* work */
3052 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3056 if (loggedOn && !intfSet) {
3057 if (ics_type == ICS_ICC) {
3058 snprintf(str, MSG_SIZ,
3059 "/set-quietly interface %s\n/set-quietly style 12\n",
3061 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3062 strcat(str, "/set-2 51 1\n/set seek 1\n");
3063 } else if (ics_type == ICS_CHESSNET) {
3064 snprintf(str, MSG_SIZ, "/style 12\n");
3066 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3067 strcat(str, programVersion);
3068 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3069 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3070 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3072 strcat(str, "$iset nohighlight 1\n");
3074 strcat(str, "$iset lock 1\n$style 12\n");
3077 NotifyFrontendLogin();
3081 if (started == STARTED_COMMENT) {
3082 /* Accumulate characters in comment */
3083 parse[parse_pos++] = buf[i];
3084 if (buf[i] == '\n') {
3085 parse[parse_pos] = NULLCHAR;
3086 if(chattingPartner>=0) {
3088 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3089 OutputChatMessage(chattingPartner, mess);
3090 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3092 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3093 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3094 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3095 OutputChatMessage(p, mess);
3099 chattingPartner = -1;
3100 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3103 if(!suppressKibitz) // [HGM] kibitz
3104 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3105 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3106 int nrDigit = 0, nrAlph = 0, j;
3107 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3108 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3109 parse[parse_pos] = NULLCHAR;
3110 // try to be smart: if it does not look like search info, it should go to
3111 // ICS interaction window after all, not to engine-output window.
3112 for(j=0; j<parse_pos; j++) { // count letters and digits
3113 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3114 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3115 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3117 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3118 int depth=0; float score;
3119 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3120 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3121 pvInfoList[forwardMostMove-1].depth = depth;
3122 pvInfoList[forwardMostMove-1].score = 100*score;
3124 OutputKibitz(suppressKibitz, parse);
3127 if(gameMode == IcsObserving) // restore original ICS messages
3128 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3129 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3131 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3132 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3133 SendToPlayer(tmp, strlen(tmp));
3135 next_out = i+1; // [HGM] suppress printing in ICS window
3137 started = STARTED_NONE;
3139 /* Don't match patterns against characters in comment */
3144 if (started == STARTED_CHATTER) {
3145 if (buf[i] != '\n') {
3146 /* Don't match patterns against characters in chatter */
3150 started = STARTED_NONE;
3151 if(suppressKibitz) next_out = i+1;
3154 /* Kludge to deal with rcmd protocol */
3155 if (firstTime && looking_at(buf, &i, "\001*")) {
3156 DisplayFatalError(&buf[1], 0, 1);
3162 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3165 if (appData.debugMode)
3166 fprintf(debugFP, "ics_type %d\n", ics_type);
3169 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3170 ics_type = ICS_FICS;
3172 if (appData.debugMode)
3173 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3177 ics_type = ICS_CHESSNET;
3179 if (appData.debugMode)
3180 fprintf(debugFP, "ics_type %d\n", ics_type);
3185 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3186 looking_at(buf, &i, "Logging you in as \"*\"") ||
3187 looking_at(buf, &i, "will be \"*\""))) {
3188 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3192 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3194 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3195 DisplayIcsInteractionTitle(buf);
3196 have_set_title = TRUE;
3199 /* skip finger notes */
3200 if (started == STARTED_NONE &&
3201 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3202 (buf[i] == '1' && buf[i+1] == '0')) &&
3203 buf[i+2] == ':' && buf[i+3] == ' ') {
3204 started = STARTED_CHATTER;
3210 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3211 if(appData.seekGraph) {
3212 if(soughtPending && MatchSoughtLine(buf+i)) {
3213 i = strstr(buf+i, "rated") - buf;
3214 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3215 next_out = leftover_start = i;
3216 started = STARTED_CHATTER;
3217 suppressKibitz = TRUE;
3220 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3221 && looking_at(buf, &i, "* ads displayed")) {
3222 soughtPending = FALSE;
3227 if(appData.autoRefresh) {
3228 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3229 int s = (ics_type == ICS_ICC); // ICC format differs
3231 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3232 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3233 looking_at(buf, &i, "*% "); // eat prompt
3234 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3235 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3236 next_out = i; // suppress
3239 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3240 char *p = star_match[0];
3242 if(seekGraphUp) RemoveSeekAd(atoi(p));
3243 while(*p && *p++ != ' '); // next
3245 looking_at(buf, &i, "*% "); // eat prompt
3246 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3253 /* skip formula vars */
3254 if (started == STARTED_NONE &&
3255 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3256 started = STARTED_CHATTER;
3261 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3262 if (appData.autoKibitz && started == STARTED_NONE &&
3263 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3264 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3265 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3266 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3267 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3268 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3269 suppressKibitz = TRUE;
3270 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3272 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3273 && (gameMode == IcsPlayingWhite)) ||
3274 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3275 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3276 started = STARTED_CHATTER; // own kibitz we simply discard
3278 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3279 parse_pos = 0; parse[0] = NULLCHAR;
3280 savingComment = TRUE;
3281 suppressKibitz = gameMode != IcsObserving ? 2 :
3282 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3286 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3287 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3288 && atoi(star_match[0])) {
3289 // suppress the acknowledgements of our own autoKibitz
3291 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3292 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3293 SendToPlayer(star_match[0], strlen(star_match[0]));
3294 if(looking_at(buf, &i, "*% ")) // eat prompt
3295 suppressKibitz = FALSE;
3299 } // [HGM] kibitz: end of patch
3301 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3303 // [HGM] chat: intercept tells by users for which we have an open chat window
3305 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3306 looking_at(buf, &i, "* whispers:") ||
3307 looking_at(buf, &i, "* kibitzes:") ||
3308 looking_at(buf, &i, "* shouts:") ||
3309 looking_at(buf, &i, "* c-shouts:") ||
3310 looking_at(buf, &i, "--> * ") ||
3311 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3312 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3313 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3314 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3316 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3317 chattingPartner = -1; collective = 0;
3319 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3325 chattingPartner = p; break;
3328 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3329 for(p=0; p<MAX_CHAT; p++) {
3331 if(!strcmp("kibitzes", chatPartner[p])) {
3332 talker[0] = '['; strcat(talker, "] ");
3333 chattingPartner = p; break;
3336 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3337 for(p=0; p<MAX_CHAT; p++) {
3339 if(!strcmp("whispers", chatPartner[p])) {
3340 talker[0] = '['; strcat(talker, "] ");
3341 chattingPartner = p; break;
3344 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3345 if(buf[i-8] == '-' && buf[i-3] == 't')
3346 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3348 if(!strcmp("c-shouts", chatPartner[p])) {
3349 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3350 chattingPartner = p; break;
3353 if(chattingPartner < 0)
3354 for(p=0; p<MAX_CHAT; p++) {
3356 if(!strcmp("shouts", chatPartner[p])) {
3357 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3358 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3359 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3360 chattingPartner = p; break;
3364 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3365 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3367 Colorize(ColorTell, FALSE);
3368 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3370 chattingPartner = p; break;
3372 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3373 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3374 started = STARTED_COMMENT;
3375 parse_pos = 0; parse[0] = NULLCHAR;
3376 savingComment = 3 + chattingPartner; // counts as TRUE
3377 if(collective == 3) i = oldi; else {
3378 suppressKibitz = TRUE;
3379 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3380 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3384 } // [HGM] chat: end of patch
3387 if (appData.zippyTalk || appData.zippyPlay) {
3388 /* [DM] Backup address for color zippy lines */
3390 if (loggedOn == TRUE)
3391 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3392 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3394 } // [DM] 'else { ' deleted
3396 /* Regular tells and says */
3397 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3398 looking_at(buf, &i, "* (your partner) tells you: ") ||
3399 looking_at(buf, &i, "* says: ") ||
3400 /* Don't color "message" or "messages" output */
3401 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3402 looking_at(buf, &i, "*. * at *:*: ") ||
3403 looking_at(buf, &i, "--* (*:*): ") ||
3404 /* Message notifications (same color as tells) */
3405 looking_at(buf, &i, "* has left a message ") ||
3406 looking_at(buf, &i, "* just sent you a message:\n") ||
3407 /* Whispers and kibitzes */
3408 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3409 looking_at(buf, &i, "* kibitzes: ") ||
3411 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3413 if (tkind == 1 && strchr(star_match[0], ':')) {
3414 /* Avoid "tells you:" spoofs in channels */
3417 if (star_match[0][0] == NULLCHAR ||
3418 strchr(star_match[0], ' ') ||
3419 (tkind == 3 && strchr(star_match[1], ' '))) {
3420 /* Reject bogus matches */
3423 if (appData.colorize) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3430 Colorize(ColorTell, FALSE);
3431 curColor = ColorTell;
3434 Colorize(ColorKibitz, FALSE);
3435 curColor = ColorKibitz;
3438 p = strrchr(star_match[1], '(');
3445 Colorize(ColorChannel1, FALSE);
3446 curColor = ColorChannel1;
3448 Colorize(ColorChannel, FALSE);
3449 curColor = ColorChannel;
3453 curColor = ColorNormal;
3457 if (started == STARTED_NONE && appData.autoComment &&
3458 (gameMode == IcsObserving ||
3459 gameMode == IcsPlayingWhite ||
3460 gameMode == IcsPlayingBlack)) {
3461 parse_pos = i - oldi;
3462 memcpy(parse, &buf[oldi], parse_pos);
3463 parse[parse_pos] = NULLCHAR;
3464 started = STARTED_COMMENT;
3465 savingComment = TRUE;
3466 } else if(collective != 3) {
3467 started = STARTED_CHATTER;
3468 savingComment = FALSE;
3475 if (looking_at(buf, &i, "* s-shouts: ") ||
3476 looking_at(buf, &i, "* c-shouts: ")) {
3477 if (appData.colorize) {
3478 if (oldi > next_out) {
3479 SendToPlayer(&buf[next_out], oldi - next_out);
3482 Colorize(ColorSShout, FALSE);
3483 curColor = ColorSShout;
3486 started = STARTED_CHATTER;
3490 if (looking_at(buf, &i, "--->")) {
3495 if (looking_at(buf, &i, "* shouts: ") ||
3496 looking_at(buf, &i, "--> ")) {
3497 if (appData.colorize) {
3498 if (oldi > next_out) {
3499 SendToPlayer(&buf[next_out], oldi - next_out);
3502 Colorize(ColorShout, FALSE);
3503 curColor = ColorShout;
3506 started = STARTED_CHATTER;
3510 if (looking_at( buf, &i, "Challenge:")) {
3511 if (appData.colorize) {
3512 if (oldi > next_out) {
3513 SendToPlayer(&buf[next_out], oldi - next_out);
3516 Colorize(ColorChallenge, FALSE);
3517 curColor = ColorChallenge;
3523 if (looking_at(buf, &i, "* offers you") ||
3524 looking_at(buf, &i, "* offers to be") ||
3525 looking_at(buf, &i, "* would like to") ||
3526 looking_at(buf, &i, "* requests to") ||
3527 looking_at(buf, &i, "Your opponent offers") ||
3528 looking_at(buf, &i, "Your opponent requests")) {
3530 if (appData.colorize) {
3531 if (oldi > next_out) {
3532 SendToPlayer(&buf[next_out], oldi - next_out);
3535 Colorize(ColorRequest, FALSE);
3536 curColor = ColorRequest;
3541 if (looking_at(buf, &i, "* (*) seeking")) {
3542 if (appData.colorize) {
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 Colorize(ColorSeek, FALSE);
3548 curColor = ColorSeek;
3553 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3555 if (looking_at(buf, &i, "\\ ")) {
3556 if (prevColor != ColorNormal) {
3557 if (oldi > next_out) {
3558 SendToPlayer(&buf[next_out], oldi - next_out);
3561 Colorize(prevColor, TRUE);
3562 curColor = prevColor;
3564 if (savingComment) {
3565 parse_pos = i - oldi;
3566 memcpy(parse, &buf[oldi], parse_pos);
3567 parse[parse_pos] = NULLCHAR;
3568 started = STARTED_COMMENT;
3569 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3570 chattingPartner = savingComment - 3; // kludge to remember the box
3572 started = STARTED_CHATTER;
3577 if (looking_at(buf, &i, "Black Strength :") ||
3578 looking_at(buf, &i, "<<< style 10 board >>>") ||
3579 looking_at(buf, &i, "<10>") ||
3580 looking_at(buf, &i, "#@#")) {
3581 /* Wrong board style */
3583 SendToICS(ics_prefix);
3584 SendToICS("set style 12\n");
3585 SendToICS(ics_prefix);
3586 SendToICS("refresh\n");
3590 if (looking_at(buf, &i, "login:")) {
3591 if (!have_sent_ICS_logon) {
3593 have_sent_ICS_logon = 1;
3594 else // no init script was found
3595 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3596 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3597 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3602 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3603 (looking_at(buf, &i, "\n<12> ") ||
3604 looking_at(buf, &i, "<12> "))) {
3606 if (oldi > next_out) {
3607 SendToPlayer(&buf[next_out], oldi - next_out);
3610 started = STARTED_BOARD;
3615 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3616 looking_at(buf, &i, "<b1> ")) {
3617 if (oldi > next_out) {
3618 SendToPlayer(&buf[next_out], oldi - next_out);
3621 started = STARTED_HOLDINGS;
3626 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3628 /* Header for a move list -- first line */
3630 switch (ics_getting_history) {
3634 case BeginningOfGame:
3635 /* User typed "moves" or "oldmoves" while we
3636 were idle. Pretend we asked for these
3637 moves and soak them up so user can step
3638 through them and/or save them.
3641 gameMode = IcsObserving;
3644 ics_getting_history = H_GOT_UNREQ_HEADER;
3646 case EditGame: /*?*/
3647 case EditPosition: /*?*/
3648 /* Should above feature work in these modes too? */
3649 /* For now it doesn't */
3650 ics_getting_history = H_GOT_UNWANTED_HEADER;
3653 ics_getting_history = H_GOT_UNWANTED_HEADER;
3658 /* Is this the right one? */
3659 if (gameInfo.white && gameInfo.black &&
3660 strcmp(gameInfo.white, star_match[0]) == 0 &&
3661 strcmp(gameInfo.black, star_match[2]) == 0) {
3663 ics_getting_history = H_GOT_REQ_HEADER;
3666 case H_GOT_REQ_HEADER:
3667 case H_GOT_UNREQ_HEADER:
3668 case H_GOT_UNWANTED_HEADER:
3669 case H_GETTING_MOVES:
3670 /* Should not happen */
3671 DisplayError(_("Error gathering move list: two headers"), 0);
3672 ics_getting_history = H_FALSE;
3676 /* Save player ratings into gameInfo if needed */
3677 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3678 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3679 (gameInfo.whiteRating == -1 ||
3680 gameInfo.blackRating == -1)) {
3682 gameInfo.whiteRating = string_to_rating(star_match[1]);
3683 gameInfo.blackRating = string_to_rating(star_match[3]);
3684 if (appData.debugMode)
3685 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3686 gameInfo.whiteRating, gameInfo.blackRating);
3691 if (looking_at(buf, &i,
3692 "* * match, initial time: * minute*, increment: * second")) {
3693 /* Header for a move list -- second line */
3694 /* Initial board will follow if this is a wild game */
3695 if (gameInfo.event != NULL) free(gameInfo.event);
3696 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3697 gameInfo.event = StrSave(str);
3698 /* [HGM] we switched variant. Translate boards if needed. */
3699 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3703 if (looking_at(buf, &i, "Move ")) {
3704 /* Beginning of a move list */
3705 switch (ics_getting_history) {
3707 /* Normally should not happen */
3708 /* Maybe user hit reset while we were parsing */
3711 /* Happens if we are ignoring a move list that is not
3712 * the one we just requested. Common if the user
3713 * tries to observe two games without turning off
3716 case H_GETTING_MOVES:
3717 /* Should not happen */
3718 DisplayError(_("Error gathering move list: nested"), 0);
3719 ics_getting_history = H_FALSE;
3721 case H_GOT_REQ_HEADER:
3722 ics_getting_history = H_GETTING_MOVES;
3723 started = STARTED_MOVES;
3725 if (oldi > next_out) {
3726 SendToPlayer(&buf[next_out], oldi - next_out);
3729 case H_GOT_UNREQ_HEADER:
3730 ics_getting_history = H_GETTING_MOVES;
3731 started = STARTED_MOVES_NOHIDE;
3734 case H_GOT_UNWANTED_HEADER:
3735 ics_getting_history = H_FALSE;
3741 if (looking_at(buf, &i, "% ") ||
3742 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3743 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3744 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3745 soughtPending = FALSE;
3749 if(suppressKibitz) next_out = i;
3750 savingComment = FALSE;
3754 case STARTED_MOVES_NOHIDE:
3755 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3756 parse[parse_pos + i - oldi] = NULLCHAR;
3757 ParseGameHistory(parse);
3759 if (appData.zippyPlay && first.initDone) {
3760 FeedMovesToProgram(&first, forwardMostMove);
3761 if (gameMode == IcsPlayingWhite) {
3762 if (WhiteOnMove(forwardMostMove)) {
3763 if (first.sendTime) {
3764 if (first.useColors) {
3765 SendToProgram("black\n", &first);
3767 SendTimeRemaining(&first, TRUE);
3769 if (first.useColors) {
3770 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3773 first.maybeThinking = TRUE;
3775 if (first.usePlayother) {
3776 if (first.sendTime) {
3777 SendTimeRemaining(&first, TRUE);
3779 SendToProgram("playother\n", &first);
3785 } else if (gameMode == IcsPlayingBlack) {
3786 if (!WhiteOnMove(forwardMostMove)) {
3787 if (first.sendTime) {
3788 if (first.useColors) {
3789 SendToProgram("white\n", &first);
3791 SendTimeRemaining(&first, FALSE);
3793 if (first.useColors) {
3794 SendToProgram("black\n", &first);
3796 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3797 first.maybeThinking = TRUE;
3799 if (first.usePlayother) {
3800 if (first.sendTime) {
3801 SendTimeRemaining(&first, FALSE);
3803 SendToProgram("playother\n", &first);
3812 if (gameMode == IcsObserving && ics_gamenum == -1) {
3813 /* Moves came from oldmoves or moves command
3814 while we weren't doing anything else.
3816 currentMove = forwardMostMove;
3817 ClearHighlights();/*!!could figure this out*/
3818 flipView = appData.flipView;
3819 DrawPosition(TRUE, boards[currentMove]);
3820 DisplayBothClocks();
3821 snprintf(str, MSG_SIZ, "%s %s %s",
3822 gameInfo.white, _("vs."), gameInfo.black);
3826 /* Moves were history of an active game */
3827 if (gameInfo.resultDetails != NULL) {
3828 free(gameInfo.resultDetails);
3829 gameInfo.resultDetails = NULL;
3832 HistorySet(parseList, backwardMostMove,
3833 forwardMostMove, currentMove-1);
3834 DisplayMove(currentMove - 1);
3835 if (started == STARTED_MOVES) next_out = i;
3836 started = STARTED_NONE;
3837 ics_getting_history = H_FALSE;
3840 case STARTED_OBSERVE:
3841 started = STARTED_NONE;
3842 SendToICS(ics_prefix);
3843 SendToICS("refresh\n");
3849 if(bookHit) { // [HGM] book: simulate book reply
3850 static char bookMove[MSG_SIZ]; // a bit generous?
3852 programStats.nodes = programStats.depth = programStats.time =
3853 programStats.score = programStats.got_only_move = 0;
3854 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3856 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3857 strcat(bookMove, bookHit);
3858 HandleMachineMove(bookMove, &first);
3863 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3864 started == STARTED_HOLDINGS ||
3865 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3866 /* Accumulate characters in move list or board */
3867 parse[parse_pos++] = buf[i];
3870 /* Start of game messages. Mostly we detect start of game
3871 when the first board image arrives. On some versions
3872 of the ICS, though, we need to do a "refresh" after starting
3873 to observe in order to get the current board right away. */
3874 if (looking_at(buf, &i, "Adding game * to observation list")) {
3875 started = STARTED_OBSERVE;
3879 /* Handle auto-observe */
3880 if (appData.autoObserve &&
3881 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3882 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3884 /* Choose the player that was highlighted, if any. */
3885 if (star_match[0][0] == '\033' ||
3886 star_match[1][0] != '\033') {
3887 player = star_match[0];
3889 player = star_match[2];
3891 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3892 ics_prefix, StripHighlightAndTitle(player));
3895 /* Save ratings from notify string */
3896 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3897 player1Rating = string_to_rating(star_match[1]);
3898 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3899 player2Rating = string_to_rating(star_match[3]);
3901 if (appData.debugMode)
3903 "Ratings from 'Game notification:' %s %d, %s %d\n",
3904 player1Name, player1Rating,
3905 player2Name, player2Rating);
3910 /* Deal with automatic examine mode after a game,
3911 and with IcsObserving -> IcsExamining transition */
3912 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3913 looking_at(buf, &i, "has made you an examiner of game *")) {
3915 int gamenum = atoi(star_match[0]);
3916 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3917 gamenum == ics_gamenum) {
3918 /* We were already playing or observing this game;
3919 no need to refetch history */
3920 gameMode = IcsExamining;
3922 pauseExamForwardMostMove = forwardMostMove;
3923 } else if (currentMove < forwardMostMove) {
3924 ForwardInner(forwardMostMove);
3927 /* I don't think this case really can happen */
3928 SendToICS(ics_prefix);
3929 SendToICS("refresh\n");
3934 /* Error messages */
3935 // if (ics_user_moved) {
3936 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3937 if (looking_at(buf, &i, "Illegal move") ||
3938 looking_at(buf, &i, "Not a legal move") ||
3939 looking_at(buf, &i, "Your king is in check") ||
3940 looking_at(buf, &i, "It isn't your turn") ||
3941 looking_at(buf, &i, "It is not your move")) {
3943 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3944 currentMove = forwardMostMove-1;
3945 DisplayMove(currentMove - 1); /* before DMError */
3946 DrawPosition(FALSE, boards[currentMove]);
3947 SwitchClocks(forwardMostMove-1); // [HGM] race
3948 DisplayBothClocks();
3950 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3956 if (looking_at(buf, &i, "still have time") ||
3957 looking_at(buf, &i, "not out of time") ||
3958 looking_at(buf, &i, "either player is out of time") ||
3959 looking_at(buf, &i, "has timeseal; checking")) {
3960 /* We must have called his flag a little too soon */
3961 whiteFlag = blackFlag = FALSE;
3965 if (looking_at(buf, &i, "added * seconds to") ||
3966 looking_at(buf, &i, "seconds were added to")) {
3967 /* Update the clocks */
3968 SendToICS(ics_prefix);
3969 SendToICS("refresh\n");
3973 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3974 ics_clock_paused = TRUE;
3979 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3980 ics_clock_paused = FALSE;
3985 /* Grab player ratings from the Creating: message.
3986 Note we have to check for the special case when
3987 the ICS inserts things like [white] or [black]. */
3988 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3989 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3991 0 player 1 name (not necessarily white)
3993 2 empty, white, or black (IGNORED)
3994 3 player 2 name (not necessarily black)
3997 The names/ratings are sorted out when the game
3998 actually starts (below).
4000 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
4001 player1Rating = string_to_rating(star_match[1]);
4002 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
4003 player2Rating = string_to_rating(star_match[4]);
4005 if (appData.debugMode)
4007 "Ratings from 'Creating:' %s %d, %s %d\n",
4008 player1Name, player1Rating,
4009 player2Name, player2Rating);
4014 /* Improved generic start/end-of-game messages */
4015 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4016 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4017 /* If tkind == 0: */
4018 /* star_match[0] is the game number */
4019 /* [1] is the white player's name */
4020 /* [2] is the black player's name */
4021 /* For end-of-game: */
4022 /* [3] is the reason for the game end */
4023 /* [4] is a PGN end game-token, preceded by " " */
4024 /* For start-of-game: */
4025 /* [3] begins with "Creating" or "Continuing" */
4026 /* [4] is " *" or empty (don't care). */
4027 int gamenum = atoi(star_match[0]);
4028 char *whitename, *blackname, *why, *endtoken;
4029 ChessMove endtype = EndOfFile;
4032 whitename = star_match[1];
4033 blackname = star_match[2];
4034 why = star_match[3];
4035 endtoken = star_match[4];
4037 whitename = star_match[1];
4038 blackname = star_match[3];
4039 why = star_match[5];
4040 endtoken = star_match[6];
4043 /* Game start messages */
4044 if (strncmp(why, "Creating ", 9) == 0 ||
4045 strncmp(why, "Continuing ", 11) == 0) {
4046 gs_gamenum = gamenum;
4047 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4048 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4049 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4051 if (appData.zippyPlay) {
4052 ZippyGameStart(whitename, blackname);
4055 partnerBoardValid = FALSE; // [HGM] bughouse
4059 /* Game end messages */
4060 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4061 ics_gamenum != gamenum) {
4064 while (endtoken[0] == ' ') endtoken++;
4065 switch (endtoken[0]) {
4068 endtype = GameUnfinished;
4071 endtype = BlackWins;
4074 if (endtoken[1] == '/')
4075 endtype = GameIsDrawn;
4077 endtype = WhiteWins;
4080 GameEnds(endtype, why, GE_ICS);
4082 if (appData.zippyPlay && first.initDone) {
4083 ZippyGameEnd(endtype, why);
4084 if (first.pr == NoProc) {
4085 /* Start the next process early so that we'll
4086 be ready for the next challenge */
4087 StartChessProgram(&first);
4089 /* Send "new" early, in case this command takes
4090 a long time to finish, so that we'll be ready
4091 for the next challenge. */
4092 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4096 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4100 if (looking_at(buf, &i, "Removing game * from observation") ||
4101 looking_at(buf, &i, "no longer observing game *") ||
4102 looking_at(buf, &i, "Game * (*) has no examiners")) {
4103 if (gameMode == IcsObserving &&
4104 atoi(star_match[0]) == ics_gamenum)
4106 /* icsEngineAnalyze */
4107 if (appData.icsEngineAnalyze) {
4114 ics_user_moved = FALSE;
4119 if (looking_at(buf, &i, "no longer examining game *")) {
4120 if (gameMode == IcsExamining &&
4121 atoi(star_match[0]) == ics_gamenum)
4125 ics_user_moved = FALSE;
4130 /* Advance leftover_start past any newlines we find,
4131 so only partial lines can get reparsed */
4132 if (looking_at(buf, &i, "\n")) {
4133 prevColor = curColor;
4134 if (curColor != ColorNormal) {
4135 if (oldi > next_out) {
4136 SendToPlayer(&buf[next_out], oldi - next_out);
4139 Colorize(ColorNormal, FALSE);
4140 curColor = ColorNormal;
4142 if (started == STARTED_BOARD) {
4143 started = STARTED_NONE;
4144 parse[parse_pos] = NULLCHAR;
4145 ParseBoard12(parse);
4148 /* Send premove here */
4149 if (appData.premove) {
4151 if (currentMove == 0 &&
4152 gameMode == IcsPlayingWhite &&
4153 appData.premoveWhite) {
4154 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4155 if (appData.debugMode)
4156 fprintf(debugFP, "Sending premove:\n");
4158 } else if (currentMove == 1 &&
4159 gameMode == IcsPlayingBlack &&
4160 appData.premoveBlack) {
4161 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4162 if (appData.debugMode)
4163 fprintf(debugFP, "Sending premove:\n");
4165 } else if (gotPremove) {
4166 int oldFMM = forwardMostMove;
4168 ClearPremoveHighlights();
4169 if (appData.debugMode)
4170 fprintf(debugFP, "Sending premove:\n");
4171 UserMoveEvent(premoveFromX, premoveFromY,
4172 premoveToX, premoveToY,
4174 if(forwardMostMove == oldFMM) { // premove was rejected, highlight last opponent move
4175 if(moveList[oldFMM-1][1] != '@')
4176 SetHighlights(moveList[oldFMM-1][0]-AAA, moveList[oldFMM-1][1]-ONE,
4177 moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4179 SetHighlights(-1, -1, moveList[oldFMM-1][2]-AAA, moveList[oldFMM-1][3]-ONE);
4184 /* Usually suppress following prompt */
4185 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4186 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4187 if (looking_at(buf, &i, "*% ")) {
4188 savingComment = FALSE;
4193 } else if (started == STARTED_HOLDINGS) {
4195 char new_piece[MSG_SIZ];
4196 started = STARTED_NONE;
4197 parse[parse_pos] = NULLCHAR;
4198 if (appData.debugMode)
4199 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4200 parse, currentMove);
4201 if (sscanf(parse, " game %d", &gamenum) == 1) {
4202 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4203 if (gameInfo.variant == VariantNormal) {
4204 /* [HGM] We seem to switch variant during a game!
4205 * Presumably no holdings were displayed, so we have
4206 * to move the position two files to the right to
4207 * create room for them!
4209 VariantClass newVariant;
4210 switch(gameInfo.boardWidth) { // base guess on board width
4211 case 9: newVariant = VariantShogi; break;
4212 case 10: newVariant = VariantGreat; break;
4213 default: newVariant = VariantCrazyhouse; break;
4215 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4216 /* Get a move list just to see the header, which
4217 will tell us whether this is really bug or zh */
4218 if (ics_getting_history == H_FALSE) {
4219 ics_getting_history = H_REQUESTED;
4220 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4224 new_piece[0] = NULLCHAR;
4225 sscanf(parse, "game %d white [%s black [%s <- %s",
4226 &gamenum, white_holding, black_holding,
4228 white_holding[strlen(white_holding)-1] = NULLCHAR;
4229 black_holding[strlen(black_holding)-1] = NULLCHAR;
4230 /* [HGM] copy holdings to board holdings area */
4231 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4232 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4233 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4235 if (appData.zippyPlay && first.initDone) {
4236 ZippyHoldings(white_holding, black_holding,
4240 if (tinyLayout || smallLayout) {
4241 char wh[16], bh[16];
4242 PackHolding(wh, white_holding);
4243 PackHolding(bh, black_holding);
4244 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4245 gameInfo.white, gameInfo.black);
4247 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4248 gameInfo.white, white_holding, _("vs."),
4249 gameInfo.black, black_holding);
4251 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4252 DrawPosition(FALSE, boards[currentMove]);
4254 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4255 sscanf(parse, "game %d white [%s black [%s <- %s",
4256 &gamenum, white_holding, black_holding,
4258 white_holding[strlen(white_holding)-1] = NULLCHAR;
4259 black_holding[strlen(black_holding)-1] = NULLCHAR;
4260 /* [HGM] copy holdings to partner-board holdings area */
4261 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4262 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4263 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4264 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4265 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4268 /* Suppress following prompt */
4269 if (looking_at(buf, &i, "*% ")) {
4270 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4271 savingComment = FALSE;
4279 i++; /* skip unparsed character and loop back */
4282 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4283 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4284 // SendToPlayer(&buf[next_out], i - next_out);
4285 started != STARTED_HOLDINGS && leftover_start > next_out) {
4286 SendToPlayer(&buf[next_out], leftover_start - next_out);
4290 leftover_len = buf_len - leftover_start;
4291 /* if buffer ends with something we couldn't parse,
4292 reparse it after appending the next read */
4294 } else if (count == 0) {
4295 RemoveInputSource(isr);
4296 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4298 DisplayFatalError(_("Error reading from ICS"), error, 1);
4303 /* Board style 12 looks like this:
4305 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4307 * The "<12> " is stripped before it gets to this routine. The two
4308 * trailing 0's (flip state and clock ticking) are later addition, and
4309 * some chess servers may not have them, or may have only the first.
4310 * Additional trailing fields may be added in the future.
4313 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4315 #define RELATION_OBSERVING_PLAYED 0
4316 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4317 #define RELATION_PLAYING_MYMOVE 1
4318 #define RELATION_PLAYING_NOTMYMOVE -1
4319 #define RELATION_EXAMINING 2
4320 #define RELATION_ISOLATED_BOARD -3
4321 #define RELATION_STARTING_POSITION -4 /* FICS only */
4324 ParseBoard12 (char *string)
4328 char *bookHit = NULL; // [HGM] book
4330 GameMode newGameMode;
4331 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4332 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4333 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4334 char to_play, board_chars[200];
4335 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4336 char black[32], white[32];
4338 int prevMove = currentMove;
4341 int fromX, fromY, toX, toY;
4343 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4344 Boolean weird = FALSE, reqFlag = FALSE;
4346 fromX = fromY = toX = toY = -1;
4350 if (appData.debugMode)
4351 fprintf(debugFP, "Parsing board: %s\n", string);
4353 move_str[0] = NULLCHAR;
4354 elapsed_time[0] = NULLCHAR;
4355 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4357 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4358 if(string[i] == ' ') { ranks++; files = 0; }
4360 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4363 for(j = 0; j <i; j++) board_chars[j] = string[j];
4364 board_chars[i] = '\0';
4367 n = sscanf(string, PATTERN, &to_play, &double_push,
4368 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4369 &gamenum, white, black, &relation, &basetime, &increment,
4370 &white_stren, &black_stren, &white_time, &black_time,
4371 &moveNum, str, elapsed_time, move_str, &ics_flip,
4375 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4376 DisplayError(str, 0);
4380 /* Convert the move number to internal form */
4381 moveNum = (moveNum - 1) * 2;
4382 if (to_play == 'B') moveNum++;
4383 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4384 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4390 case RELATION_OBSERVING_PLAYED:
4391 case RELATION_OBSERVING_STATIC:
4392 if (gamenum == -1) {
4393 /* Old ICC buglet */
4394 relation = RELATION_OBSERVING_STATIC;
4396 newGameMode = IcsObserving;
4398 case RELATION_PLAYING_MYMOVE:
4399 case RELATION_PLAYING_NOTMYMOVE:
4401 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4402 IcsPlayingWhite : IcsPlayingBlack;
4403 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4405 case RELATION_EXAMINING:
4406 newGameMode = IcsExamining;
4408 case RELATION_ISOLATED_BOARD:
4410 /* Just display this board. If user was doing something else,
4411 we will forget about it until the next board comes. */
4412 newGameMode = IcsIdle;
4414 case RELATION_STARTING_POSITION:
4415 newGameMode = gameMode;
4419 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4420 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4421 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4422 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4423 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4424 static int lastBgGame = -1;
4426 for (k = 0; k < ranks; k++) {
4427 for (j = 0; j < files; j++)
4428 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4429 if(gameInfo.holdingsWidth > 1) {
4430 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4431 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4434 CopyBoard(partnerBoard, board);
4435 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4436 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4437 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4438 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4439 if(toSqr = strchr(str, '-')) {
4440 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4441 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4442 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4443 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4444 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4445 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4447 DisplayWhiteClock(white_time*fac, to_play == 'W');
4448 DisplayBlackClock(black_time*fac, to_play != 'W');
4449 activePartner = to_play;
4450 if(gamenum != lastBgGame) {
4452 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4455 lastBgGame = gamenum;
4456 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4457 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4458 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4459 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4460 if(!twoBoards) DisplayMessage(partnerStatus, "");
4461 partnerBoardValid = TRUE;
4465 if(appData.dualBoard && appData.bgObserve) {
4466 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4467 SendToICS(ics_prefix), SendToICS("pobserve\n");
4468 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4470 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4475 /* Modify behavior for initial board display on move listing
4478 switch (ics_getting_history) {
4482 case H_GOT_REQ_HEADER:
4483 case H_GOT_UNREQ_HEADER:
4484 /* This is the initial position of the current game */
4485 gamenum = ics_gamenum;
4486 moveNum = 0; /* old ICS bug workaround */
4487 if (to_play == 'B') {
4488 startedFromSetupPosition = TRUE;
4489 blackPlaysFirst = TRUE;
4491 if (forwardMostMove == 0) forwardMostMove = 1;
4492 if (backwardMostMove == 0) backwardMostMove = 1;
4493 if (currentMove == 0) currentMove = 1;
4495 newGameMode = gameMode;
4496 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4498 case H_GOT_UNWANTED_HEADER:
4499 /* This is an initial board that we don't want */
4501 case H_GETTING_MOVES:
4502 /* Should not happen */
4503 DisplayError(_("Error gathering move list: extra board"), 0);
4504 ics_getting_history = H_FALSE;
4508 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4509 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4510 weird && (int)gameInfo.variant < (int)VariantShogi) {
4511 /* [HGM] We seem to have switched variant unexpectedly
4512 * Try to guess new variant from board size
4514 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4515 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4516 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4517 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4518 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4519 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4520 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4521 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4522 /* Get a move list just to see the header, which
4523 will tell us whether this is really bug or zh */
4524 if (ics_getting_history == H_FALSE) {
4525 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4531 /* Take action if this is the first board of a new game, or of a
4532 different game than is currently being displayed. */
4533 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4534 relation == RELATION_ISOLATED_BOARD) {
4536 /* Forget the old game and get the history (if any) of the new one */
4537 if (gameMode != BeginningOfGame) {
4541 if (appData.autoRaiseBoard) BoardToTop();
4543 if (gamenum == -1) {
4544 newGameMode = IcsIdle;
4545 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4546 appData.getMoveList && !reqFlag) {
4547 /* Need to get game history */
4548 ics_getting_history = H_REQUESTED;
4549 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4553 /* Initially flip the board to have black on the bottom if playing
4554 black or if the ICS flip flag is set, but let the user change
4555 it with the Flip View button. */
4556 flipView = appData.autoFlipView ?
4557 (newGameMode == IcsPlayingBlack) || ics_flip :
4560 /* Done with values from previous mode; copy in new ones */
4561 gameMode = newGameMode;
4563 ics_gamenum = gamenum;
4564 if (gamenum == gs_gamenum) {
4565 int klen = strlen(gs_kind);
4566 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4567 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4568 gameInfo.event = StrSave(str);
4570 gameInfo.event = StrSave("ICS game");
4572 gameInfo.site = StrSave(appData.icsHost);
4573 gameInfo.date = PGNDate();
4574 gameInfo.round = StrSave("-");
4575 gameInfo.white = StrSave(white);
4576 gameInfo.black = StrSave(black);
4577 timeControl = basetime * 60 * 1000;
4579 timeIncrement = increment * 1000;
4580 movesPerSession = 0;
4581 gameInfo.timeControl = TimeControlTagValue();
4582 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4583 if (appData.debugMode) {
4584 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4585 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4586 setbuf(debugFP, NULL);
4589 gameInfo.outOfBook = NULL;
4591 /* Do we have the ratings? */
4592 if (strcmp(player1Name, white) == 0 &&
4593 strcmp(player2Name, black) == 0) {
4594 if (appData.debugMode)
4595 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4596 player1Rating, player2Rating);
4597 gameInfo.whiteRating = player1Rating;
4598 gameInfo.blackRating = player2Rating;
4599 } else if (strcmp(player2Name, white) == 0 &&
4600 strcmp(player1Name, black) == 0) {
4601 if (appData.debugMode)
4602 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4603 player2Rating, player1Rating);
4604 gameInfo.whiteRating = player2Rating;
4605 gameInfo.blackRating = player1Rating;
4607 player1Name[0] = player2Name[0] = NULLCHAR;
4609 /* Silence shouts if requested */
4610 if (appData.quietPlay &&
4611 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4612 SendToICS(ics_prefix);
4613 SendToICS("set shout 0\n");
4617 /* Deal with midgame name changes */
4619 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4620 if (gameInfo.white) free(gameInfo.white);
4621 gameInfo.white = StrSave(white);
4623 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4624 if (gameInfo.black) free(gameInfo.black);
4625 gameInfo.black = StrSave(black);
4629 /* Throw away game result if anything actually changes in examine mode */
4630 if (gameMode == IcsExamining && !newGame) {
4631 gameInfo.result = GameUnfinished;
4632 if (gameInfo.resultDetails != NULL) {
4633 free(gameInfo.resultDetails);
4634 gameInfo.resultDetails = NULL;
4638 /* In pausing && IcsExamining mode, we ignore boards coming
4639 in if they are in a different variation than we are. */
4640 if (pauseExamInvalid) return;
4641 if (pausing && gameMode == IcsExamining) {
4642 if (moveNum <= pauseExamForwardMostMove) {
4643 pauseExamInvalid = TRUE;
4644 forwardMostMove = pauseExamForwardMostMove;
4649 if (appData.debugMode) {
4650 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4652 /* Parse the board */
4653 for (k = 0; k < ranks; k++) {
4654 for (j = 0; j < files; j++)
4655 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4656 if(gameInfo.holdingsWidth > 1) {
4657 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4658 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4661 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4662 board[5][BOARD_RGHT+1] = WhiteAngel;
4663 board[6][BOARD_RGHT+1] = WhiteMarshall;
4664 board[1][0] = BlackMarshall;
4665 board[2][0] = BlackAngel;
4666 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4668 CopyBoard(boards[moveNum], board);
4669 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4671 startedFromSetupPosition =
4672 !CompareBoards(board, initialPosition);
4673 if(startedFromSetupPosition)
4674 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4677 /* [HGM] Set castling rights. Take the outermost Rooks,
4678 to make it also work for FRC opening positions. Note that board12
4679 is really defective for later FRC positions, as it has no way to
4680 indicate which Rook can castle if they are on the same side of King.
4681 For the initial position we grant rights to the outermost Rooks,
4682 and remember thos rights, and we then copy them on positions
4683 later in an FRC game. This means WB might not recognize castlings with
4684 Rooks that have moved back to their original position as illegal,
4685 but in ICS mode that is not its job anyway.
4687 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4688 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4690 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4691 if(board[0][i] == WhiteRook) j = i;
4692 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4693 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4694 if(board[0][i] == WhiteRook) j = i;
4695 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4696 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4697 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4698 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4699 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4700 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4701 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4703 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4704 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4705 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4706 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4707 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4708 if(board[BOARD_HEIGHT-1][k] == bKing)
4709 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4710 if(gameInfo.variant == VariantTwoKings) {
4711 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4712 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4713 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4716 r = boards[moveNum][CASTLING][0] = initialRights[0];
4717 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4718 r = boards[moveNum][CASTLING][1] = initialRights[1];
4719 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4720 r = boards[moveNum][CASTLING][3] = initialRights[3];
4721 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4722 r = boards[moveNum][CASTLING][4] = initialRights[4];
4723 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4724 /* wildcastle kludge: always assume King has rights */
4725 r = boards[moveNum][CASTLING][2] = initialRights[2];
4726 r = boards[moveNum][CASTLING][5] = initialRights[5];
4728 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4729 boards[moveNum][EP_STATUS] = EP_NONE;
4730 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4731 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4732 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4735 if (ics_getting_history == H_GOT_REQ_HEADER ||
4736 ics_getting_history == H_GOT_UNREQ_HEADER) {
4737 /* This was an initial position from a move list, not
4738 the current position */
4742 /* Update currentMove and known move number limits */
4743 newMove = newGame || moveNum > forwardMostMove;
4746 forwardMostMove = backwardMostMove = currentMove = moveNum;
4747 if (gameMode == IcsExamining && moveNum == 0) {
4748 /* Workaround for ICS limitation: we are not told the wild
4749 type when starting to examine a game. But if we ask for
4750 the move list, the move list header will tell us */
4751 ics_getting_history = H_REQUESTED;
4752 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4755 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4756 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4758 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4759 /* [HGM] applied this also to an engine that is silently watching */
4760 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4761 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4762 gameInfo.variant == currentlyInitializedVariant) {
4763 takeback = forwardMostMove - moveNum;
4764 for (i = 0; i < takeback; i++) {
4765 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4766 SendToProgram("undo\n", &first);
4771 forwardMostMove = moveNum;
4772 if (!pausing || currentMove > forwardMostMove)
4773 currentMove = forwardMostMove;
4775 /* New part of history that is not contiguous with old part */
4776 if (pausing && gameMode == IcsExamining) {
4777 pauseExamInvalid = TRUE;
4778 forwardMostMove = pauseExamForwardMostMove;
4781 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4783 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4784 // [HGM] when we will receive the move list we now request, it will be
4785 // fed to the engine from the first move on. So if the engine is not
4786 // in the initial position now, bring it there.
4787 InitChessProgram(&first, 0);
4790 ics_getting_history = H_REQUESTED;
4791 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4794 forwardMostMove = backwardMostMove = currentMove = moveNum;
4797 /* Update the clocks */
4798 if (strchr(elapsed_time, '.')) {
4800 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4801 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4803 /* Time is in seconds */
4804 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4805 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4810 if (appData.zippyPlay && newGame &&
4811 gameMode != IcsObserving && gameMode != IcsIdle &&
4812 gameMode != IcsExamining)
4813 ZippyFirstBoard(moveNum, basetime, increment);
4816 /* Put the move on the move list, first converting
4817 to canonical algebraic form. */
4819 if (appData.debugMode) {
4820 int f = forwardMostMove;
4821 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4822 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4823 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4824 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4825 fprintf(debugFP, "moveNum = %d\n", moveNum);
4826 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4827 setbuf(debugFP, NULL);
4829 if (moveNum <= backwardMostMove) {
4830 /* We don't know what the board looked like before
4832 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4833 strcat(parseList[moveNum - 1], " ");
4834 strcat(parseList[moveNum - 1], elapsed_time);
4835 moveList[moveNum - 1][0] = NULLCHAR;
4836 } else if (strcmp(move_str, "none") == 0) {
4837 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4838 /* Again, we don't know what the board looked like;
4839 this is really the start of the game. */
4840 parseList[moveNum - 1][0] = NULLCHAR;
4841 moveList[moveNum - 1][0] = NULLCHAR;
4842 backwardMostMove = moveNum;
4843 startedFromSetupPosition = TRUE;
4844 fromX = fromY = toX = toY = -1;
4846 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4847 // So we parse the long-algebraic move string in stead of the SAN move
4848 int valid; char buf[MSG_SIZ], *prom;
4850 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4851 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4852 // str looks something like "Q/a1-a2"; kill the slash
4854 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4855 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4856 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4857 strcat(buf, prom); // long move lacks promo specification!
4858 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4859 if(appData.debugMode)
4860 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4861 safeStrCpy(move_str, buf, MSG_SIZ);
4863 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4864 &fromX, &fromY, &toX, &toY, &promoChar)
4865 || ParseOneMove(buf, moveNum - 1, &moveType,
4866 &fromX, &fromY, &toX, &toY, &promoChar);
4867 // end of long SAN patch
4869 (void) CoordsToAlgebraic(boards[moveNum - 1],
4870 PosFlags(moveNum - 1),
4871 fromY, fromX, toY, toX, promoChar,
4872 parseList[moveNum-1]);
4873 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4879 if(!IS_SHOGI(gameInfo.variant))
4880 strcat(parseList[moveNum - 1], "+");
4883 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4884 strcat(parseList[moveNum - 1], "#");
4887 strcat(parseList[moveNum - 1], " ");
4888 strcat(parseList[moveNum - 1], elapsed_time);
4889 /* currentMoveString is set as a side-effect of ParseOneMove */
4890 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4891 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4892 strcat(moveList[moveNum - 1], "\n");
4894 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4895 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4896 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4897 ChessSquare old, new = boards[moveNum][k][j];
4898 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4899 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4900 if(old == new) continue;
4901 if(old == PROMOTED(new)) boards[moveNum][k][j] = old;// prevent promoted pieces to revert to primordial ones
4902 else if(new == WhiteWazir || new == BlackWazir) {
4903 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4904 boards[moveNum][k][j] = PROMOTED(old); // choose correct type of Gold in promotion
4905 else boards[moveNum][k][j] = old; // preserve type of Gold
4906 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4907 boards[moveNum][k][j] = PROMOTED(new); // use non-primordial representation of chosen piece
4910 /* Move from ICS was illegal!? Punt. */
4911 if (appData.debugMode) {
4912 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4915 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4916 strcat(parseList[moveNum - 1], " ");
4917 strcat(parseList[moveNum - 1], elapsed_time);
4918 moveList[moveNum - 1][0] = NULLCHAR;
4919 fromX = fromY = toX = toY = -1;
4922 if (appData.debugMode) {
4923 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4924 setbuf(debugFP, NULL);
4928 /* Send move to chess program (BEFORE animating it). */
4929 if (appData.zippyPlay && !newGame && newMove &&
4930 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4932 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4933 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4934 if (moveList[moveNum - 1][0] == NULLCHAR) {
4935 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4937 DisplayError(str, 0);
4939 if (first.sendTime) {
4940 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4942 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4943 if (firstMove && !bookHit) {
4945 if (first.useColors) {
4946 SendToProgram(gameMode == IcsPlayingWhite ?
4948 "black\ngo\n", &first);
4950 SendToProgram("go\n", &first);
4952 first.maybeThinking = TRUE;
4955 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4956 if (moveList[moveNum - 1][0] == NULLCHAR) {
4957 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4958 DisplayError(str, 0);
4960 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4961 SendMoveToProgram(moveNum - 1, &first);
4968 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4969 /* If move comes from a remote source, animate it. If it
4970 isn't remote, it will have already been animated. */
4971 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4972 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4974 if (!pausing && appData.highlightLastMove) {
4975 SetHighlights(fromX, fromY, toX, toY);
4979 /* Start the clocks */
4980 whiteFlag = blackFlag = FALSE;
4981 appData.clockMode = !(basetime == 0 && increment == 0);
4983 ics_clock_paused = TRUE;
4985 } else if (ticking == 1) {
4986 ics_clock_paused = FALSE;
4988 if (gameMode == IcsIdle ||
4989 relation == RELATION_OBSERVING_STATIC ||
4990 relation == RELATION_EXAMINING ||
4992 DisplayBothClocks();
4996 /* Display opponents and material strengths */
4997 if (gameInfo.variant != VariantBughouse &&
4998 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4999 if (tinyLayout || smallLayout) {
5000 if(gameInfo.variant == VariantNormal)
5001 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
5002 gameInfo.white, white_stren, gameInfo.black, black_stren,
5003 basetime, increment);
5005 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
5006 gameInfo.white, white_stren, gameInfo.black, black_stren,
5007 basetime, increment, (int) gameInfo.variant);
5009 if(gameInfo.variant == VariantNormal)
5010 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
5011 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5012 basetime, increment);
5014 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
5015 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
5016 basetime, increment, VariantName(gameInfo.variant));
5019 if (appData.debugMode) {
5020 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5025 /* Display the board */
5026 if (!pausing && !appData.noGUI) {
5028 if (appData.premove)
5030 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5031 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5032 ClearPremoveHighlights();
5034 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5035 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5036 DrawPosition(j, boards[currentMove]);
5038 DisplayMove(moveNum - 1);
5039 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5040 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5041 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5042 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5046 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5048 if(bookHit) { // [HGM] book: simulate book reply
5049 static char bookMove[MSG_SIZ]; // a bit generous?
5051 programStats.nodes = programStats.depth = programStats.time =
5052 programStats.score = programStats.got_only_move = 0;
5053 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5055 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5056 strcat(bookMove, bookHit);
5057 HandleMachineMove(bookMove, &first);
5066 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5067 ics_getting_history = H_REQUESTED;
5068 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5074 SendToBoth (char *msg)
5075 { // to make it easy to keep two engines in step in dual analysis
5076 SendToProgram(msg, &first);
5077 if(second.analyzing) SendToProgram(msg, &second);
5081 AnalysisPeriodicEvent (int force)
5083 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5084 && !force) || !appData.periodicUpdates)
5087 /* Send . command to Crafty to collect stats */
5090 /* Don't send another until we get a response (this makes
5091 us stop sending to old Crafty's which don't understand
5092 the "." command (sending illegal cmds resets node count & time,
5093 which looks bad)) */
5094 programStats.ok_to_send = 0;
5098 ics_update_width (int new_width)
5100 ics_printf("set width %d\n", new_width);
5104 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5108 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5109 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5110 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5111 SendToProgram(buf, cps);
5114 // null move in variant where engine does not understand it (for analysis purposes)
5115 SendBoard(cps, moveNum + 1); // send position after move in stead.
5118 if (cps->useUsermove) {
5119 SendToProgram("usermove ", cps);
5123 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5124 int len = space - parseList[moveNum];
5125 memcpy(buf, parseList[moveNum], len);
5127 buf[len] = NULLCHAR;
5129 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5131 SendToProgram(buf, cps);
5133 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5134 AlphaRank(moveList[moveNum], 4);
5135 SendToProgram(moveList[moveNum], cps);
5136 AlphaRank(moveList[moveNum], 4); // and back
5138 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5139 * the engine. It would be nice to have a better way to identify castle
5141 if(appData.fischerCastling && cps->useOOCastle) {
5142 int fromX = moveList[moveNum][0] - AAA;
5143 int fromY = moveList[moveNum][1] - ONE;
5144 int toX = moveList[moveNum][2] - AAA;
5145 int toY = moveList[moveNum][3] - ONE;
5146 if((boards[moveNum][fromY][fromX] == WhiteKing
5147 && boards[moveNum][toY][toX] == WhiteRook)
5148 || (boards[moveNum][fromY][fromX] == BlackKing
5149 && boards[moveNum][toY][toX] == BlackRook)) {
5150 if(toX > fromX) SendToProgram("O-O\n", cps);
5151 else SendToProgram("O-O-O\n", cps);
5153 else SendToProgram(moveList[moveNum], cps);
5155 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5156 char *m = moveList[moveNum];
5158 *c = m[7]; // promoChar
5159 if((boards[moveNum][m[6]-ONE][m[5]-AAA] < BlackPawn) == (boards[moveNum][m[1]-ONE][m[0]-AAA] < BlackPawn)) // move is kludge to indicate castling
5160 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", m[0], m[1] - '0', // convert to two moves
5163 m[2] + (m[0] > m[5] ? 1 : -1), m[3] - '0');
5165 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d%s\n", m[0], m[1] - '0', // convert to two moves
5168 m[2], m[3] - '0', c);
5169 SendToProgram(buf, cps);
5171 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5172 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5173 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5174 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5175 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5177 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5178 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5179 SendToProgram(buf, cps);
5181 else SendToProgram(moveList[moveNum], cps);
5182 /* End of additions by Tord */
5185 /* [HGM] setting up the opening has brought engine in force mode! */
5186 /* Send 'go' if we are in a mode where machine should play. */
5187 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5188 (gameMode == TwoMachinesPlay ||
5190 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5192 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5193 SendToProgram("go\n", cps);
5194 if (appData.debugMode) {
5195 fprintf(debugFP, "(extra)\n");
5198 setboardSpoiledMachineBlack = 0;
5202 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5204 char user_move[MSG_SIZ];
5207 if(gameInfo.variant == VariantSChess && promoChar) {
5208 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5209 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5210 } else suffix[0] = NULLCHAR;
5214 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5215 (int)moveType, fromX, fromY, toX, toY);
5216 DisplayError(user_move + strlen("say "), 0);
5218 case WhiteKingSideCastle:
5219 case BlackKingSideCastle:
5220 case WhiteQueenSideCastleWild:
5221 case BlackQueenSideCastleWild:
5223 case WhiteHSideCastleFR:
5224 case BlackHSideCastleFR:
5226 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5228 case WhiteQueenSideCastle:
5229 case BlackQueenSideCastle:
5230 case WhiteKingSideCastleWild:
5231 case BlackKingSideCastleWild:
5233 case WhiteASideCastleFR:
5234 case BlackASideCastleFR:
5236 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5238 case WhiteNonPromotion:
5239 case BlackNonPromotion:
5240 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5242 case WhitePromotion:
5243 case BlackPromotion:
5244 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5245 gameInfo.variant == VariantMakruk)
5246 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5247 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5248 PieceToChar(WhiteFerz));
5249 else if(gameInfo.variant == VariantGreat)
5250 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5251 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5252 PieceToChar(WhiteMan));
5254 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5255 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5261 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5262 ToUpper(PieceToChar((ChessSquare) fromX)),
5263 AAA + toX, ONE + toY);
5265 case IllegalMove: /* could be a variant we don't quite understand */
5266 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5268 case WhiteCapturesEnPassant:
5269 case BlackCapturesEnPassant:
5270 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5271 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5274 SendToICS(user_move);
5275 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5276 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5281 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5282 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5283 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5284 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5285 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5288 if(gameMode != IcsExamining) { // is this ever not the case?
5289 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5291 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5292 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5293 } else { // on FICS we must first go to general examine mode
5294 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5296 if(gameInfo.variant != VariantNormal) {
5297 // try figure out wild number, as xboard names are not always valid on ICS
5298 for(i=1; i<=36; i++) {
5299 snprintf(buf, MSG_SIZ, "wild/%d", i);
5300 if(StringToVariant(buf) == gameInfo.variant) break;
5302 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5303 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5304 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5305 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5306 SendToICS(ics_prefix);
5308 if(startedFromSetupPosition || backwardMostMove != 0) {
5309 fen = PositionToFEN(backwardMostMove, NULL, 1);
5310 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5311 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5313 } else { // FICS: everything has to set by separate bsetup commands
5314 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5315 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5317 if(!WhiteOnMove(backwardMostMove)) {
5318 SendToICS("bsetup tomove black\n");
5320 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5321 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5323 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5324 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5326 i = boards[backwardMostMove][EP_STATUS];
5327 if(i >= 0) { // set e.p.
5328 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5334 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5335 SendToICS("bsetup done\n"); // switch to normal examining.
5337 for(i = backwardMostMove; i<last; i++) {
5339 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5340 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5341 int len = strlen(moveList[i]);
5342 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5343 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5347 SendToICS(ics_prefix);
5348 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5351 int killX = -1, killY = -1, kill2X = -1, kill2Y = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5355 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[9])
5357 if (rf == DROP_RANK) {
5358 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5359 sprintf(move, "%c@%c%c\n",
5360 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5362 if (promoChar == 'x' || promoChar == NULLCHAR) {
5363 sprintf(move, "%c%c%c%c\n",
5364 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5365 if(killX >= 0 && killY >= 0) {
5366 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5367 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c\n", AAA + killX, ONE + killY);
5370 sprintf(move, "%c%c%c%c%c\n",
5371 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5372 if(killX >= 0 && killY >= 0) {
5373 sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5374 if(kill2X >= 0 && kill2Y >= 0) sprintf(move+7, "%c%c%c\n", AAA + killX, ONE + killY, promoChar);
5381 ProcessICSInitScript (FILE *f)
5385 while (fgets(buf, MSG_SIZ, f)) {
5386 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5393 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5395 static ClickType lastClickType;
5398 PieceInString (char *s, ChessSquare piece)
5400 char *p, ID = ToUpper(PieceToChar(piece)), suffix = PieceSuffix(piece);
5401 while((p = strchr(s, ID))) {
5402 if(!suffix || p[1] == suffix) return TRUE;
5409 Partner (ChessSquare *p)
5410 { // change piece into promotion partner if one shogi-promotes to the other
5411 ChessSquare partner = promoPartner[*p];
5412 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5413 if(PieceToChar(*p) == '+') partner = boards[currentMove][fromY][fromX];
5421 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5422 static int toggleFlag;
5423 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5424 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5425 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5426 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5427 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5428 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5430 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5431 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5432 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5433 else if(promoSweep == BlackPawn && step < 0 && !toggleFlag) promoSweep = WhitePawn;
5434 else if(promoSweep == WhiteKing && step > 0 && !toggleFlag) promoSweep = BlackKing;
5435 if(!step) step = -1;
5436 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' ||
5437 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5438 promoRestrict[0] ? !PieceInString(promoRestrict, promoSweep) : // if choice set available, use it
5439 promoSweep == pawn ||
5440 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5441 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5443 int victim = boards[currentMove][toY][toX];
5444 boards[currentMove][toY][toX] = promoSweep;
5445 DrawPosition(FALSE, boards[currentMove]);
5446 boards[currentMove][toY][toX] = victim;
5448 ChangeDragPiece(promoSweep);
5452 PromoScroll (int x, int y)
5456 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5457 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5458 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5459 if(!step) return FALSE;
5460 lastX = x; lastY = y;
5461 if((promoSweep < BlackPawn) == flipView) step = -step;
5462 if(step > 0) selectFlag = 1;
5463 if(!selectFlag) Sweep(step);
5468 NextPiece (int step)
5470 ChessSquare piece = boards[currentMove][toY][toX];
5473 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5474 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5475 if(!step) step = -1;
5476 } while(PieceToChar(pieceSweep) == '.');
5477 boards[currentMove][toY][toX] = pieceSweep;
5478 DrawPosition(FALSE, boards[currentMove]);
5479 boards[currentMove][toY][toX] = piece;
5481 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5483 AlphaRank (char *move, int n)
5485 // char *p = move, c; int x, y;
5487 if (appData.debugMode) {
5488 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5492 move[2]>='0' && move[2]<='9' &&
5493 move[3]>='a' && move[3]<='x' ) {
5495 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5496 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5498 if(move[0]>='0' && move[0]<='9' &&
5499 move[1]>='a' && move[1]<='x' &&
5500 move[2]>='0' && move[2]<='9' &&
5501 move[3]>='a' && move[3]<='x' ) {
5502 /* input move, Shogi -> normal */
5503 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5504 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5505 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5506 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5509 move[3]>='0' && move[3]<='9' &&
5510 move[2]>='a' && move[2]<='x' ) {
5512 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5513 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5516 move[0]>='a' && move[0]<='x' &&
5517 move[3]>='0' && move[3]<='9' &&
5518 move[2]>='a' && move[2]<='x' ) {
5519 /* output move, normal -> Shogi */
5520 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5521 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5522 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5523 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5524 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5526 if (appData.debugMode) {
5527 fprintf(debugFP, " out = '%s'\n", move);
5531 char yy_textstr[8000];
5533 /* Parser for moves from gnuchess, ICS, or user typein box */
5535 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5537 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5539 switch (*moveType) {
5540 case WhitePromotion:
5541 case BlackPromotion:
5542 case WhiteNonPromotion:
5543 case BlackNonPromotion:
5546 case WhiteCapturesEnPassant:
5547 case BlackCapturesEnPassant:
5548 case WhiteKingSideCastle:
5549 case WhiteQueenSideCastle:
5550 case BlackKingSideCastle:
5551 case BlackQueenSideCastle:
5552 case WhiteKingSideCastleWild:
5553 case WhiteQueenSideCastleWild:
5554 case BlackKingSideCastleWild:
5555 case BlackQueenSideCastleWild:
5556 /* Code added by Tord: */
5557 case WhiteHSideCastleFR:
5558 case WhiteASideCastleFR:
5559 case BlackHSideCastleFR:
5560 case BlackASideCastleFR:
5561 /* End of code added by Tord */
5562 case IllegalMove: /* bug or odd chess variant */
5563 if(currentMoveString[1] == '@') { // illegal drop
5564 *fromX = WhiteOnMove(moveNum) ?
5565 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5566 (int) CharToPiece(ToLower(currentMoveString[0]));
5569 *fromX = currentMoveString[0] - AAA;
5570 *fromY = currentMoveString[1] - ONE;
5571 *toX = currentMoveString[2] - AAA;
5572 *toY = currentMoveString[3] - ONE;
5573 *promoChar = currentMoveString[4];
5574 if(*promoChar == ';') *promoChar = currentMoveString[7];
5575 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5576 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5577 if (appData.debugMode) {
5578 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5580 *fromX = *fromY = *toX = *toY = 0;
5583 if (appData.testLegality) {
5584 return (*moveType != IllegalMove);
5586 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5587 // [HGM] lion: if this is a double move we are less critical
5588 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5593 *fromX = *moveType == WhiteDrop ?
5594 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5595 (int) CharToPiece(ToLower(currentMoveString[0]));
5598 *toX = currentMoveString[2] - AAA;
5599 *toY = currentMoveString[3] - ONE;
5600 *promoChar = NULLCHAR;
5604 case ImpossibleMove:
5614 if (appData.debugMode) {
5615 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5618 *fromX = *fromY = *toX = *toY = 0;
5619 *promoChar = NULLCHAR;
5624 Boolean pushed = FALSE;
5625 char *lastParseAttempt;
5628 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5629 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5630 int fromX, fromY, toX, toY; char promoChar;
5635 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5636 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5637 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5640 endPV = forwardMostMove;
5642 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5643 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5644 lastParseAttempt = pv;
5645 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5646 if(!valid && nr == 0 &&
5647 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5648 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5649 // Hande case where played move is different from leading PV move
5650 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5651 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5652 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5653 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5654 endPV += 2; // if position different, keep this
5655 moveList[endPV-1][0] = fromX + AAA;
5656 moveList[endPV-1][1] = fromY + ONE;
5657 moveList[endPV-1][2] = toX + AAA;
5658 moveList[endPV-1][3] = toY + ONE;
5659 parseList[endPV-1][0] = NULLCHAR;
5660 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5663 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5664 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5665 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5666 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5667 valid++; // allow comments in PV
5671 if(endPV+1 > framePtr) break; // no space, truncate
5674 CopyBoard(boards[endPV], boards[endPV-1]);
5675 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5676 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5677 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5678 CoordsToAlgebraic(boards[endPV - 1],
5679 PosFlags(endPV - 1),
5680 fromY, fromX, toY, toX, promoChar,
5681 parseList[endPV - 1]);
5683 if(atEnd == 2) return; // used hidden, for PV conversion
5684 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5685 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5686 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5687 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5688 DrawPosition(TRUE, boards[currentMove]);
5692 MultiPV (ChessProgramState *cps, int kind)
5693 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5695 for(i=0; i<cps->nrOptions; i++) {
5696 char *s = cps->option[i].name;
5697 if((kind & 1) && !StrCaseCmp(s, "MultiPV") && cps->option[i].type == Spin) return i;
5698 if((kind & 2) && StrCaseStr(s, "multi") && StrCaseStr(s, "PV")
5699 && StrCaseStr(s, "margin") && cps->option[i].type == Spin) return -i-2;
5704 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5705 static int multi, pv_margin;
5706 static ChessProgramState *activeCps;
5709 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5711 int startPV, lineStart, origIndex = index;
5712 char *p, buf2[MSG_SIZ];
5713 ChessProgramState *cps = (pane ? &second : &first);
5715 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5716 lastX = x; lastY = y;
5717 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5718 lineStart = startPV = index;
5719 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5720 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5722 do{ while(buf[index] && buf[index] != '\n') index++;
5723 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5725 if(lineStart == 0 && gameMode == AnalyzeMode) {
5727 if(origIndex > 17 && origIndex < 24) n--; else if(origIndex > index - 6) n++;
5728 if(n == 0) { // click not on "fewer" or "more"
5729 if((multi = -2 - MultiPV(cps, 2)) >= 0) {
5730 pv_margin = cps->option[multi].value;
5731 activeCps = cps; // non-null signals margin adjustment
5733 } else if((multi = MultiPV(cps, 1)) >= 0) {
5734 n += cps->option[multi].value; if(n < 1) n = 1;
5735 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5736 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5737 cps->option[multi].value = n;
5741 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5742 ExcludeClick(origIndex - lineStart);
5744 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5745 Collapse(origIndex - lineStart);
5748 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5749 *start = startPV; *end = index-1;
5750 extendGame = (gameMode == AnalyzeMode && appData.autoExtend && origIndex - startPV < 5);
5757 static char buf[10*MSG_SIZ];
5758 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5760 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5761 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5762 for(i = forwardMostMove; i<endPV; i++){
5763 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5764 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5767 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5768 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5769 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5775 LoadPV (int x, int y)
5776 { // called on right mouse click to load PV
5777 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5778 lastX = x; lastY = y;
5779 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5787 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5789 if(pv_margin != activeCps->option[multi].value) {
5791 snprintf(buf, MSG_SIZ, "option %s=%d\n", "Multi-PV Margin", pv_margin);
5792 SendToProgram(buf, activeCps);
5793 activeCps->option[multi].value = pv_margin;
5798 if(endPV < 0) return;
5799 if(appData.autoCopyPV) CopyFENToClipboard();
5801 if(extendGame && currentMove > forwardMostMove) {
5802 Boolean saveAnimate = appData.animate;
5804 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5805 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5806 } else storedGames--; // abandon shelved tail of original game
5809 forwardMostMove = currentMove;
5810 currentMove = oldFMM;
5811 appData.animate = FALSE;
5812 ToNrEvent(forwardMostMove);
5813 appData.animate = saveAnimate;
5815 currentMove = forwardMostMove;
5816 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5817 ClearPremoveHighlights();
5818 DrawPosition(TRUE, boards[currentMove]);
5822 MovePV (int x, int y, int h)
5823 { // step through PV based on mouse coordinates (called on mouse move)
5824 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5826 if(activeCps) { // adjusting engine's multi-pv margin
5827 if(x > lastX) pv_margin++; else
5828 if(x < lastX) pv_margin -= (pv_margin > 0);
5831 snprintf(buf, MSG_SIZ, "margin = %d", pv_margin);
5832 DisplayMessage(buf, "");
5837 // we must somehow check if right button is still down (might be released off board!)
5838 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5839 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5840 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5842 lastX = x; lastY = y;
5844 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5845 if(endPV < 0) return;
5846 if(y < margin) step = 1; else
5847 if(y > h - margin) step = -1;
5848 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5849 currentMove += step;
5850 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5851 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5852 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5853 DrawPosition(FALSE, boards[currentMove]);
5857 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5858 // All positions will have equal probability, but the current method will not provide a unique
5859 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5865 int piecesLeft[(int)BlackPawn];
5866 int seed, nrOfShuffles;
5869 GetPositionNumber ()
5870 { // sets global variable seed
5873 seed = appData.defaultFrcPosition;
5874 if(seed < 0) { // randomize based on time for negative FRC position numbers
5875 for(i=0; i<50; i++) seed += random();
5876 seed = random() ^ random() >> 8 ^ random() << 8;
5877 if(seed<0) seed = -seed;
5882 put (Board board, int pieceType, int rank, int n, int shade)
5883 // put the piece on the (n-1)-th empty squares of the given shade
5887 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5888 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5889 board[rank][i] = (ChessSquare) pieceType;
5890 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5892 piecesLeft[pieceType]--;
5901 AddOnePiece (Board board, int pieceType, int rank, int shade)
5902 // calculate where the next piece goes, (any empty square), and put it there
5906 i = seed % squaresLeft[shade];
5907 nrOfShuffles *= squaresLeft[shade];
5908 seed /= squaresLeft[shade];
5909 put(board, pieceType, rank, i, shade);
5913 AddTwoPieces (Board board, int pieceType, int rank)
5914 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5916 int i, n=squaresLeft[ANY], j=n-1, k;
5918 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5919 i = seed % k; // pick one
5922 while(i >= j) i -= j--;
5923 j = n - 1 - j; i += j;
5924 put(board, pieceType, rank, j, ANY);
5925 put(board, pieceType, rank, i, ANY);
5929 SetUpShuffle (Board board, int number)
5933 GetPositionNumber(); nrOfShuffles = 1;
5935 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5936 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5937 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5939 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5941 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5942 p = (int) board[0][i];
5943 if(p < (int) BlackPawn) piecesLeft[p] ++;
5944 board[0][i] = EmptySquare;
5947 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5948 // shuffles restricted to allow normal castling put KRR first
5949 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5950 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5951 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5952 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5953 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5954 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5955 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5956 put(board, WhiteRook, 0, 0, ANY);
5957 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5960 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5961 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5962 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5963 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5964 while(piecesLeft[p] >= 2) {
5965 AddOnePiece(board, p, 0, LITE);
5966 AddOnePiece(board, p, 0, DARK);
5968 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5971 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5972 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5973 // but we leave King and Rooks for last, to possibly obey FRC restriction
5974 if(p == (int)WhiteRook) continue;
5975 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5976 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5979 // now everything is placed, except perhaps King (Unicorn) and Rooks
5981 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5982 // Last King gets castling rights
5983 while(piecesLeft[(int)WhiteUnicorn]) {
5984 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5985 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5988 while(piecesLeft[(int)WhiteKing]) {
5989 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5990 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5995 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5996 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5999 // Only Rooks can be left; simply place them all
6000 while(piecesLeft[(int)WhiteRook]) {
6001 i = put(board, WhiteRook, 0, 0, ANY);
6002 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
6005 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
6007 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
6010 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
6011 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
6014 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
6018 ptclen (const char *s, char *escapes)
6021 if(!*escapes) return strlen(s);
6022 while(*s) n += (*s != '/' && *s != '-' && *s != '^' && *s != '*' && !strchr(escapes, *s)) - 2*(*s == '='), s++;
6027 SetCharTableEsc (unsigned char *table, const char * map, char * escapes)
6028 /* [HGM] moved here from winboard.c because of its general usefulness */
6029 /* Basically a safe strcpy that uses the last character as King */
6031 int result = FALSE; int NrPieces;
6032 unsigned char partner[EmptySquare];
6034 if( map != NULL && (NrPieces=ptclen(map, escapes)) <= (int) EmptySquare
6035 && NrPieces >= 12 && !(NrPieces&1)) {
6036 int i, ii, offs, j = 0; /* [HGM] Accept even length from 12 to 88 */
6038 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
6039 for( i=offs=0; i<NrPieces/2-1; i++ ) {
6041 if(map[j] == '/') offs = WhitePBishop - i, j++;
6042 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6043 table[i+offs] = map[j++];
6044 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6045 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6046 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6048 table[(int) WhiteKing] = map[j++];
6049 for( ii=offs=0; ii<NrPieces/2-1; ii++ ) {
6051 if(map[j] == '/') offs = WhitePBishop - ii, j++;
6052 i = WHITE_TO_BLACK ii;
6053 if(*escapes && (map[j] == '*' || map[j] == '-' || map[j] == '^')) c = map[j++];
6054 table[i+offs] = map[j++];
6055 if(p = strchr(escapes, map[j])) j++, table[i+offs] += 64*(p - escapes + 1);
6056 if(c) partner[i+offs] = table[i+offs], table[i+offs] = c;
6057 if(*escapes && map[j] == '=') pieceNickName[i+offs] = map[++j], j++;
6059 table[(int) BlackKing] = map[j++];
6062 if(*escapes) { // set up promotion pairing
6063 for( i=0; i<(int) EmptySquare; i++ ) promoPartner[i] = (i%BlackPawn < 11 ? i + 11 : i%BlackPawn < 22 ? i - 11 : i); // default
6064 // pieceToChar entirely filled, so we can look up specified partners
6065 for(i=0; i<EmptySquare; i++) { // adjust promotion pairing
6067 if(c == '^' || c == '-') { // has specified partner
6069 for(p=0; p<EmptySquare; p++) if(table[p] == partner[i]) break;
6070 if(c == '^') table[i] = '+';
6071 if(p < EmptySquare) {
6072 if(promoPartner[promoPartner[p]] == p) promoPartner[promoPartner[p]] = promoPartner[p]; // divorce old partners
6073 if(promoPartner[promoPartner[i]] == i) promoPartner[promoPartner[i]] = promoPartner[i];
6074 promoPartner[p] = i, promoPartner[i] = p; // and marry this couple
6076 } else if(c == '*') {
6077 table[i] = partner[i];
6078 promoPartner[i] = (i < BlackPawn ? WhiteTokin : BlackTokin); // promotes to Tokin
6090 SetCharTable (unsigned char *table, const char * map)
6092 return SetCharTableEsc(table, map, "");
6096 Prelude (Board board)
6097 { // [HGM] superchess: random selection of exo-pieces
6098 int i, j, k; ChessSquare p;
6099 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
6101 GetPositionNumber(); // use FRC position number
6103 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
6104 SetCharTable(pieceToChar, appData.pieceToCharTable);
6105 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
6106 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
6109 j = seed%4; seed /= 4;
6110 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6111 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6112 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6113 j = seed%3 + (seed%3 >= j); seed /= 3;
6114 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
6115 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6116 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6117 j = seed%3; seed /= 3;
6118 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6119 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6120 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6121 j = seed%2 + (seed%2 >= j); seed /= 2;
6122 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
6123 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
6124 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
6125 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
6126 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
6127 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
6128 put(board, exoPieces[0], 0, 0, ANY);
6129 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
6133 InitPosition (int redraw)
6135 ChessSquare (* pieces)[BOARD_FILES];
6136 int i, j, pawnRow=1, pieceRows=1, overrule,
6137 oldx = gameInfo.boardWidth,
6138 oldy = gameInfo.boardHeight,
6139 oldh = gameInfo.holdingsWidth;
6142 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6144 /* [AS] Initialize pv info list [HGM] and game status */
6146 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6147 pvInfoList[i].depth = 0;
6148 boards[i][EP_STATUS] = EP_NONE;
6149 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6152 initialRulePlies = 0; /* 50-move counter start */
6154 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6155 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6159 /* [HGM] logic here is completely changed. In stead of full positions */
6160 /* the initialized data only consist of the two backranks. The switch */
6161 /* selects which one we will use, which is than copied to the Board */
6162 /* initialPosition, which for the rest is initialized by Pawns and */
6163 /* empty squares. This initial position is then copied to boards[0], */
6164 /* possibly after shuffling, so that it remains available. */
6166 gameInfo.holdingsWidth = 0; /* default board sizes */
6167 gameInfo.boardWidth = 8;
6168 gameInfo.boardHeight = 8;
6169 gameInfo.holdingsSize = 0;
6170 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6171 for(i=0; i<BOARD_FILES-6; i++)
6172 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6173 initialPosition[EP_STATUS] = EP_NONE;
6174 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6175 SetCharTableEsc(pieceToChar, "PNBRQ...........Kpnbrq...........k", SUFFIXES);
6176 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6177 SetCharTable(pieceNickName, appData.pieceNickNames);
6178 else SetCharTable(pieceNickName, "............");
6181 switch (gameInfo.variant) {
6182 case VariantFischeRandom:
6183 shuffleOpenings = TRUE;
6184 appData.fischerCastling = TRUE;
6187 case VariantShatranj:
6188 pieces = ShatranjArray;
6189 nrCastlingRights = 0;
6190 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6193 pieces = makrukArray;
6194 nrCastlingRights = 0;
6195 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6198 pieces = aseanArray;
6199 nrCastlingRights = 0;
6200 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6202 case VariantTwoKings:
6203 pieces = twoKingsArray;
6206 pieces = GrandArray;
6207 nrCastlingRights = 0;
6208 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6209 gameInfo.boardWidth = 10;
6210 gameInfo.boardHeight = 10;
6211 gameInfo.holdingsSize = 7;
6213 case VariantCapaRandom:
6214 shuffleOpenings = TRUE;
6215 appData.fischerCastling = TRUE;
6216 case VariantCapablanca:
6217 pieces = CapablancaArray;
6218 gameInfo.boardWidth = 10;
6219 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6222 pieces = GothicArray;
6223 gameInfo.boardWidth = 10;
6224 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6227 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6228 gameInfo.holdingsSize = 7;
6229 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6232 pieces = JanusArray;
6233 gameInfo.boardWidth = 10;
6234 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6235 nrCastlingRights = 6;
6236 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6237 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6238 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6239 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6240 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6241 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6244 pieces = FalconArray;
6245 gameInfo.boardWidth = 10;
6246 SetCharTable(pieceToChar, "PNBRQ............FKpnbrq............fk");
6248 case VariantXiangqi:
6249 pieces = XiangqiArray;
6250 gameInfo.boardWidth = 9;
6251 gameInfo.boardHeight = 10;
6252 nrCastlingRights = 0;
6253 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6256 pieces = ShogiArray;
6257 gameInfo.boardWidth = 9;
6258 gameInfo.boardHeight = 9;
6259 gameInfo.holdingsSize = 7;
6260 nrCastlingRights = 0;
6261 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6264 pieces = ChuArray; pieceRows = 3;
6265 gameInfo.boardWidth = 12;
6266 gameInfo.boardHeight = 12;
6267 nrCastlingRights = 0;
6268 SetCharTableEsc(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN.........^T..^L......^A^H/^F^G^M.^E^X^O^I.^P.^B^R..^D^S^C^VK"
6269 "p.brqsexogcathd.vmlifn.........^t..^l......^a^h/^f^g^m.^e^x^o^i.^p.^b^r..^d^s^c^vk", SUFFIXES);
6271 case VariantCourier:
6272 pieces = CourierArray;
6273 gameInfo.boardWidth = 12;
6274 nrCastlingRights = 0;
6275 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6277 case VariantKnightmate:
6278 pieces = KnightmateArray;
6279 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6281 case VariantSpartan:
6282 pieces = SpartanArray;
6283 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6287 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6289 case VariantChuChess:
6290 pieces = ChuChessArray;
6291 gameInfo.boardWidth = 10;
6292 gameInfo.boardHeight = 10;
6293 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6296 pieces = fairyArray;
6297 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6300 pieces = GreatArray;
6301 gameInfo.boardWidth = 10;
6302 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6303 gameInfo.holdingsSize = 8;
6307 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6308 gameInfo.holdingsSize = 8;
6309 startedFromSetupPosition = TRUE;
6311 case VariantCrazyhouse:
6312 case VariantBughouse:
6314 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6315 gameInfo.holdingsSize = 5;
6317 case VariantWildCastle:
6319 /* !!?shuffle with kings guaranteed to be on d or e file */
6320 shuffleOpenings = 1;
6322 case VariantNoCastle:
6324 nrCastlingRights = 0;
6325 /* !!?unconstrained back-rank shuffle */
6326 shuffleOpenings = 1;
6331 if(appData.NrFiles >= 0) {
6332 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6333 gameInfo.boardWidth = appData.NrFiles;
6335 if(appData.NrRanks >= 0) {
6336 gameInfo.boardHeight = appData.NrRanks;
6338 if(appData.holdingsSize >= 0) {
6339 i = appData.holdingsSize;
6340 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6341 gameInfo.holdingsSize = i;
6343 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6344 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6345 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6347 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6348 if(pawnRow < 1) pawnRow = 1;
6349 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6350 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6351 if(gameInfo.variant == VariantChu) pawnRow = 3;
6353 /* User pieceToChar list overrules defaults */
6354 if(appData.pieceToCharTable != NULL)
6355 SetCharTableEsc(pieceToChar, appData.pieceToCharTable, SUFFIXES);
6357 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6359 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6360 s = (ChessSquare) 0; /* account holding counts in guard band */
6361 for( i=0; i<BOARD_HEIGHT; i++ )
6362 initialPosition[i][j] = s;
6364 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6365 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6366 initialPosition[pawnRow][j] = WhitePawn;
6367 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6368 if(gameInfo.variant == VariantXiangqi) {
6370 initialPosition[pawnRow][j] =
6371 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6372 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6373 initialPosition[2][j] = WhiteCannon;
6374 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6378 if(gameInfo.variant == VariantChu) {
6379 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6380 initialPosition[pawnRow+1][j] = WhiteCobra,
6381 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6382 for(i=1; i<pieceRows; i++) {
6383 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6384 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6387 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6388 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6389 initialPosition[0][j] = WhiteRook;
6390 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6393 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6395 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6396 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6399 initialPosition[1][j] = WhiteBishop;
6400 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6402 initialPosition[1][j] = WhiteRook;
6403 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6406 if( nrCastlingRights == -1) {
6407 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6408 /* This sets default castling rights from none to normal corners */
6409 /* Variants with other castling rights must set them themselves above */
6410 nrCastlingRights = 6;
6412 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6413 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6414 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6415 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6416 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6417 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6420 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6421 if(gameInfo.variant == VariantGreat) { // promotion commoners
6422 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6423 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6424 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6425 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6427 if( gameInfo.variant == VariantSChess ) {
6428 initialPosition[1][0] = BlackMarshall;
6429 initialPosition[2][0] = BlackAngel;
6430 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6431 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6432 initialPosition[1][1] = initialPosition[2][1] =
6433 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6435 if (appData.debugMode) {
6436 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6438 if(shuffleOpenings) {
6439 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6440 startedFromSetupPosition = TRUE;
6442 if(startedFromPositionFile) {
6443 /* [HGM] loadPos: use PositionFile for every new game */
6444 CopyBoard(initialPosition, filePosition);
6445 for(i=0; i<nrCastlingRights; i++)
6446 initialRights[i] = filePosition[CASTLING][i];
6447 startedFromSetupPosition = TRUE;
6450 CopyBoard(boards[0], initialPosition);
6452 if(oldx != gameInfo.boardWidth ||
6453 oldy != gameInfo.boardHeight ||
6454 oldv != gameInfo.variant ||
6455 oldh != gameInfo.holdingsWidth
6457 InitDrawingSizes(-2 ,0);
6459 oldv = gameInfo.variant;
6461 DrawPosition(TRUE, boards[currentMove]);
6465 SendBoard (ChessProgramState *cps, int moveNum)
6467 char message[MSG_SIZ];
6469 if (cps->useSetboard) {
6470 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6471 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6472 SendToProgram(message, cps);
6477 int i, j, left=0, right=BOARD_WIDTH;
6478 /* Kludge to set black to move, avoiding the troublesome and now
6479 * deprecated "black" command.
6481 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6482 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6484 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6486 SendToProgram("edit\n", cps);
6487 SendToProgram("#\n", cps);
6488 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6489 bp = &boards[moveNum][i][left];
6490 for (j = left; j < right; j++, bp++) {
6491 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6492 if ((int) *bp < (int) BlackPawn) {
6493 if(j == BOARD_RGHT+1)
6494 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6495 else snprintf(message, MSG_SIZ, "%c%c%d\n", PieceToChar(*bp), AAA + j, ONE + i - '0');
6496 if(message[0] == '+' || message[0] == '~') {
6497 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6498 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6499 AAA + j, ONE + i - '0');
6501 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6502 message[1] = BOARD_RGHT - 1 - j + '1';
6503 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6505 SendToProgram(message, cps);
6510 SendToProgram("c\n", cps);
6511 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6512 bp = &boards[moveNum][i][left];
6513 for (j = left; j < right; j++, bp++) {
6514 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6515 if (((int) *bp != (int) EmptySquare)
6516 && ((int) *bp >= (int) BlackPawn)) {
6517 if(j == BOARD_LEFT-2)
6518 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6519 else snprintf(message,MSG_SIZ, "%c%c%d\n", ToUpper(PieceToChar(*bp)),
6520 AAA + j, ONE + i - '0');
6521 if(message[0] == '+' || message[0] == '~') {
6522 snprintf(message, MSG_SIZ,"%c%c%d+\n",
6523 PieceToChar((ChessSquare)(DEMOTED(*bp))),
6524 AAA + j, ONE + i - '0');
6526 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6527 message[1] = BOARD_RGHT - 1 - j + '1';
6528 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6530 SendToProgram(message, cps);
6535 SendToProgram(".\n", cps);
6537 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6540 char exclusionHeader[MSG_SIZ];
6541 int exCnt, excludePtr;
6542 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6543 static Exclusion excluTab[200];
6544 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6550 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6551 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6557 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6558 excludePtr = 24; exCnt = 0;
6563 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6564 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6565 char buf[2*MOVE_LEN], *p;
6566 Exclusion *e = excluTab;
6568 for(i=0; i<exCnt; i++)
6569 if(e[i].ff == fromX && e[i].fr == fromY &&
6570 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6571 if(i == exCnt) { // was not in exclude list; add it
6572 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6573 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6574 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6577 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6578 excludePtr++; e[i].mark = excludePtr++;
6579 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6582 exclusionHeader[e[i].mark] = state;
6586 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6587 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6591 if((signed char)promoChar == -1) { // kludge to indicate best move
6592 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6593 return 1; // if unparsable, abort
6595 // update exclusion map (resolving toggle by consulting existing state)
6596 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6598 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6599 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6600 excludeMap[k] |= 1<<j;
6601 else excludeMap[k] &= ~(1<<j);
6603 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6605 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6606 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6608 return (state == '+');
6612 ExcludeClick (int index)
6615 Exclusion *e = excluTab;
6616 if(index < 25) { // none, best or tail clicked
6617 if(index < 13) { // none: include all
6618 WriteMap(0); // clear map
6619 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6620 SendToBoth("include all\n"); // and inform engine
6621 } else if(index > 18) { // tail
6622 if(exclusionHeader[19] == '-') { // tail was excluded
6623 SendToBoth("include all\n");
6624 WriteMap(0); // clear map completely
6625 // now re-exclude selected moves
6626 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6627 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6628 } else { // tail was included or in mixed state
6629 SendToBoth("exclude all\n");
6630 WriteMap(0xFF); // fill map completely
6631 // now re-include selected moves
6632 j = 0; // count them
6633 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6634 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6635 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6638 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6641 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6642 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6643 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6650 DefaultPromoChoice (int white)
6653 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6654 gameInfo.variant == VariantMakruk)
6655 result = WhiteFerz; // no choice
6656 else if(gameInfo.variant == VariantASEAN)
6657 result = WhiteRook; // no choice
6658 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6659 result= WhiteKing; // in Suicide Q is the last thing we want
6660 else if(gameInfo.variant == VariantSpartan)
6661 result = white ? WhiteQueen : WhiteAngel;
6662 else result = WhiteQueen;
6663 if(!white) result = WHITE_TO_BLACK result;
6667 static int autoQueen; // [HGM] oneclick
6670 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6672 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6673 /* [HGM] add Shogi promotions */
6674 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6675 ChessSquare piece, partner;
6679 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6680 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6682 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6683 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6686 piece = boards[currentMove][fromY][fromX];
6687 if(gameInfo.variant == VariantChu) {
6688 promotionZoneSize = BOARD_HEIGHT/3;
6689 highestPromotingPiece = (PieceToChar(piece) == '+' || PieceToChar(CHUPROMOTED(piece)) != '+') ? WhitePawn : WhiteKing;
6690 } else if(gameInfo.variant == VariantShogi) {
6691 promotionZoneSize = BOARD_HEIGHT/3 +(BOARD_HEIGHT == 8);
6692 highestPromotingPiece = (int)WhiteAlfil;
6693 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6694 promotionZoneSize = 3;
6697 // Treat Lance as Pawn when it is not representing Amazon or Lance
6698 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6699 if(piece == WhiteLance) piece = WhitePawn; else
6700 if(piece == BlackLance) piece = BlackPawn;
6703 // next weed out all moves that do not touch the promotion zone at all
6704 if((int)piece >= BlackPawn) {
6705 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6707 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6708 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6710 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6711 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6712 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6716 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6718 // weed out mandatory Shogi promotions
6719 if(gameInfo.variant == VariantShogi) {
6720 if(piece >= BlackPawn) {
6721 if(toY == 0 && piece == BlackPawn ||
6722 toY == 0 && piece == BlackQueen ||
6723 toY <= 1 && piece == BlackKnight) {
6728 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6729 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6730 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6737 // weed out obviously illegal Pawn moves
6738 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6739 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6740 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6741 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6742 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6743 // note we are not allowed to test for valid (non-)capture, due to premove
6746 // we either have a choice what to promote to, or (in Shogi) whether to promote
6747 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6748 gameInfo.variant == VariantMakruk) {
6749 ChessSquare p=BlackFerz; // no choice
6750 while(p < EmptySquare) { //but make sure we use piece that exists
6751 *promoChoice = PieceToChar(p++);
6752 if(*promoChoice != '.') break;
6754 if(!*engineVariant) return FALSE; // if used as parent variant there might be promotion choice
6756 // no sense asking what we must promote to if it is going to explode...
6757 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6758 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6761 // give caller the default choice even if we will not make it
6762 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6763 partner = piece; // pieces can promote if the pieceToCharTable says so
6764 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6765 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6766 if( sweepSelect && gameInfo.variant != VariantGreat
6767 && gameInfo.variant != VariantGrand
6768 && gameInfo.variant != VariantSuper) return FALSE;
6769 if(autoQueen) return FALSE; // predetermined
6771 // suppress promotion popup on illegal moves that are not premoves
6772 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6773 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6774 if(appData.testLegality && !premove) {
6775 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6776 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6777 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6778 if(moveType != WhitePromotion && moveType != BlackPromotion)
6786 InPalace (int row, int column)
6787 { /* [HGM] for Xiangqi */
6788 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6789 column < (BOARD_WIDTH + 4)/2 &&
6790 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6795 PieceForSquare (int x, int y)
6797 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6800 return boards[currentMove][y][x];
6804 OKToStartUserMove (int x, int y)
6806 ChessSquare from_piece;
6809 if (matchMode) return FALSE;
6810 if (gameMode == EditPosition) return TRUE;
6812 if (x >= 0 && y >= 0)
6813 from_piece = boards[currentMove][y][x];
6815 from_piece = EmptySquare;
6817 if (from_piece == EmptySquare) return FALSE;
6819 white_piece = (int)from_piece >= (int)WhitePawn &&
6820 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6824 case TwoMachinesPlay:
6832 case MachinePlaysWhite:
6833 case IcsPlayingBlack:
6834 if (appData.zippyPlay) return FALSE;
6836 DisplayMoveError(_("You are playing Black"));
6841 case MachinePlaysBlack:
6842 case IcsPlayingWhite:
6843 if (appData.zippyPlay) return FALSE;
6845 DisplayMoveError(_("You are playing White"));
6850 case PlayFromGameFile:
6851 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6854 if (!white_piece && WhiteOnMove(currentMove)) {
6855 DisplayMoveError(_("It is White's turn"));
6858 if (white_piece && !WhiteOnMove(currentMove)) {
6859 DisplayMoveError(_("It is Black's turn"));
6862 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6863 /* Editing correspondence game history */
6864 /* Could disallow this or prompt for confirmation */
6869 case BeginningOfGame:
6870 if (appData.icsActive) return FALSE;
6871 if (!appData.noChessProgram) {
6873 DisplayMoveError(_("You are playing White"));
6880 if (!white_piece && WhiteOnMove(currentMove)) {
6881 DisplayMoveError(_("It is White's turn"));
6884 if (white_piece && !WhiteOnMove(currentMove)) {
6885 DisplayMoveError(_("It is Black's turn"));
6894 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6895 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6896 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6897 && gameMode != AnalyzeFile && gameMode != Training) {
6898 DisplayMoveError(_("Displayed position is not current"));
6905 OnlyMove (int *x, int *y, Boolean captures)
6907 DisambiguateClosure cl;
6908 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6910 case MachinePlaysBlack:
6911 case IcsPlayingWhite:
6912 case BeginningOfGame:
6913 if(!WhiteOnMove(currentMove)) return FALSE;
6915 case MachinePlaysWhite:
6916 case IcsPlayingBlack:
6917 if(WhiteOnMove(currentMove)) return FALSE;
6924 cl.pieceIn = EmptySquare;
6929 cl.promoCharIn = NULLCHAR;
6930 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6931 if( cl.kind == NormalMove ||
6932 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6933 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6934 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6941 if(cl.kind != ImpossibleMove) return FALSE;
6942 cl.pieceIn = EmptySquare;
6947 cl.promoCharIn = NULLCHAR;
6948 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6949 if( cl.kind == NormalMove ||
6950 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6951 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6952 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6957 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6963 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6964 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6965 int lastLoadGameUseList = FALSE;
6966 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6967 ChessMove lastLoadGameStart = EndOfFile;
6969 Boolean addToBookFlag;
6972 UserMoveEvent (int fromX, int fromY, int toX, int toY, int promoChar)
6976 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6978 /* Check if the user is playing in turn. This is complicated because we
6979 let the user "pick up" a piece before it is his turn. So the piece he
6980 tried to pick up may have been captured by the time he puts it down!
6981 Therefore we use the color the user is supposed to be playing in this
6982 test, not the color of the piece that is currently on the starting
6983 square---except in EditGame mode, where the user is playing both
6984 sides; fortunately there the capture race can't happen. (It can
6985 now happen in IcsExamining mode, but that's just too bad. The user
6986 will get a somewhat confusing message in that case.)
6991 case TwoMachinesPlay:
6995 /* We switched into a game mode where moves are not accepted,
6996 perhaps while the mouse button was down. */
6999 case MachinePlaysWhite:
7000 /* User is moving for Black */
7001 if (WhiteOnMove(currentMove)) {
7002 DisplayMoveError(_("It is White's turn"));
7007 case MachinePlaysBlack:
7008 /* User is moving for White */
7009 if (!WhiteOnMove(currentMove)) {
7010 DisplayMoveError(_("It is Black's turn"));
7015 case PlayFromGameFile:
7016 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
7019 case BeginningOfGame:
7022 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
7023 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
7024 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
7025 /* User is moving for Black */
7026 if (WhiteOnMove(currentMove)) {
7027 DisplayMoveError(_("It is White's turn"));
7031 /* User is moving for White */
7032 if (!WhiteOnMove(currentMove)) {
7033 DisplayMoveError(_("It is Black's turn"));
7039 case IcsPlayingBlack:
7040 /* User is moving for Black */
7041 if (WhiteOnMove(currentMove)) {
7042 if (!appData.premove) {
7043 DisplayMoveError(_("It is White's turn"));
7044 } else if (toX >= 0 && toY >= 0) {
7047 premoveFromX = fromX;
7048 premoveFromY = fromY;
7049 premovePromoChar = promoChar;
7051 if (appData.debugMode)
7052 fprintf(debugFP, "Got premove: fromX %d,"
7053 "fromY %d, toX %d, toY %d\n",
7054 fromX, fromY, toX, toY);
7056 DrawPosition(TRUE, boards[currentMove]); // [HGM] repair animation damage done by premove (in particular emptying from-square)
7061 case IcsPlayingWhite:
7062 /* User is moving for White */
7063 if (!WhiteOnMove(currentMove)) {
7064 if (!appData.premove) {
7065 DisplayMoveError(_("It is Black's turn"));
7066 } else if (toX >= 0 && toY >= 0) {
7069 premoveFromX = fromX;
7070 premoveFromY = fromY;
7071 premovePromoChar = promoChar;
7073 if (appData.debugMode)
7074 fprintf(debugFP, "Got premove: fromX %d,"
7075 "fromY %d, toX %d, toY %d\n",
7076 fromX, fromY, toX, toY);
7078 DrawPosition(TRUE, boards[currentMove]);
7087 /* EditPosition, empty square, or different color piece;
7088 click-click move is possible */
7089 if (toX == -2 || toY == -2) {
7090 boards[0][fromY][fromX] = (boards[0][fromY][fromX] == EmptySquare ? DarkSquare : EmptySquare);
7091 DrawPosition(FALSE, boards[currentMove]);
7093 } else if (toX >= 0 && toY >= 0) {
7094 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
7095 ChessSquare p = boards[0][rf][ff];
7096 if(PieceToChar(p) == '+') gatingPiece = CHUDEMOTED(p); else
7097 if(PieceToChar(CHUPROMOTED(p)) =='+') gatingPiece = CHUPROMOTED(p);
7099 boards[0][toY][toX] = boards[0][fromY][fromX];
7100 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
7101 if(boards[0][fromY][0] != EmptySquare) {
7102 if(boards[0][fromY][1]) boards[0][fromY][1]--;
7103 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
7106 if(fromX == BOARD_RGHT+1) {
7107 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
7108 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
7109 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
7112 boards[0][fromY][fromX] = gatingPiece;
7114 DrawPosition(FALSE, boards[currentMove]);
7120 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
7121 pup = boards[currentMove][toY][toX];
7123 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
7124 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
7125 if( pup != EmptySquare ) return;
7126 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
7127 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
7128 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
7129 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
7130 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
7131 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
7132 while(PieceToChar(fromX) == '.' || PieceToChar(fromX) == '+' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
7136 /* [HGM] always test for legality, to get promotion info */
7137 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
7138 fromY, fromX, toY, toX, promoChar);
7140 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
7142 if(moveType == IllegalMove && legal[toY][toX] > 1) moveType = NormalMove; // someone explicitly told us this move is legal
7144 /* [HGM] but possibly ignore an IllegalMove result */
7145 if (appData.testLegality) {
7146 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7147 DisplayMoveError(_("Illegal move"));
7152 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7153 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7154 ClearPremoveHighlights(); // was included
7155 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7159 if(addToBookFlag) { // adding moves to book
7160 char buf[MSG_SIZ], move[MSG_SIZ];
7161 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7162 if(killX >= 0) snprintf(move, MSG_SIZ, "%c%dx%c%d-%c%d%c", fromX + AAA, fromY + ONE - '0',
7163 killX + AAA, killY + ONE - '0', toX + AAA, toY + ONE - '0', promoChar);
7164 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7166 addToBookFlag = FALSE;
7171 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7174 /* Common tail of UserMoveEvent and DropMenuEvent */
7176 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7180 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7181 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7182 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7183 if(WhiteOnMove(currentMove)) {
7184 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7186 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7190 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7191 move type in caller when we know the move is a legal promotion */
7192 if(moveType == NormalMove && promoChar)
7193 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7195 /* [HGM] <popupFix> The following if has been moved here from
7196 UserMoveEvent(). Because it seemed to belong here (why not allow
7197 piece drops in training games?), and because it can only be
7198 performed after it is known to what we promote. */
7199 if (gameMode == Training) {
7200 /* compare the move played on the board to the next move in the
7201 * game. If they match, display the move and the opponent's response.
7202 * If they don't match, display an error message.
7206 CopyBoard(testBoard, boards[currentMove]);
7207 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7209 if (CompareBoards(testBoard, boards[currentMove+1])) {
7210 ForwardInner(currentMove+1);
7212 /* Autoplay the opponent's response.
7213 * if appData.animate was TRUE when Training mode was entered,
7214 * the response will be animated.
7216 saveAnimate = appData.animate;
7217 appData.animate = animateTraining;
7218 ForwardInner(currentMove+1);
7219 appData.animate = saveAnimate;
7221 /* check for the end of the game */
7222 if (currentMove >= forwardMostMove) {
7223 gameMode = PlayFromGameFile;
7225 SetTrainingModeOff();
7226 DisplayInformation(_("End of game"));
7229 DisplayError(_("Incorrect move"), 0);
7234 /* Ok, now we know that the move is good, so we can kill
7235 the previous line in Analysis Mode */
7236 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7237 && currentMove < forwardMostMove) {
7238 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7239 else forwardMostMove = currentMove;
7244 /* If we need the chess program but it's dead, restart it */
7245 ResurrectChessProgram();
7247 /* A user move restarts a paused game*/
7251 thinkOutput[0] = NULLCHAR;
7253 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7255 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7256 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7260 if (gameMode == BeginningOfGame) {
7261 if (appData.noChessProgram) {
7262 gameMode = EditGame;
7266 gameMode = MachinePlaysBlack;
7269 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7271 if (first.sendName) {
7272 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7273 SendToProgram(buf, &first);
7280 /* Relay move to ICS or chess engine */
7281 if (appData.icsActive) {
7282 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7283 gameMode == IcsExamining) {
7284 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7285 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7287 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7289 // also send plain move, in case ICS does not understand atomic claims
7290 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7294 if (first.sendTime && (gameMode == BeginningOfGame ||
7295 gameMode == MachinePlaysWhite ||
7296 gameMode == MachinePlaysBlack)) {
7297 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7299 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7300 // [HGM] book: if program might be playing, let it use book
7301 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7302 first.maybeThinking = TRUE;
7303 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7304 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7305 SendBoard(&first, currentMove+1);
7306 if(second.analyzing) {
7307 if(!second.useSetboard) SendToProgram("undo\n", &second);
7308 SendBoard(&second, currentMove+1);
7311 SendMoveToProgram(forwardMostMove-1, &first);
7312 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7314 if (currentMove == cmailOldMove + 1) {
7315 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7319 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7323 if(appData.testLegality)
7324 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7330 if (WhiteOnMove(currentMove)) {
7331 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7333 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7337 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7342 case MachinePlaysBlack:
7343 case MachinePlaysWhite:
7344 /* disable certain menu options while machine is thinking */
7345 SetMachineThinkingEnables();
7352 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7353 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7355 if(bookHit) { // [HGM] book: simulate book reply
7356 static char bookMove[MSG_SIZ]; // a bit generous?
7358 programStats.nodes = programStats.depth = programStats.time =
7359 programStats.score = programStats.got_only_move = 0;
7360 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7362 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7363 strcat(bookMove, bookHit);
7364 HandleMachineMove(bookMove, &first);
7370 MarkByFEN(char *fen)
7373 if(!appData.markers || !appData.highlightDragging) return;
7374 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7375 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7379 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7380 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 3; else
7381 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7382 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7383 if(*fen == 'T') marker[r][f++] = 0; else
7384 if(*fen == 'Y') marker[r][f++] = 1; else
7385 if(*fen == 'G') marker[r][f++] = 3; else
7386 if(*fen == 'B') marker[r][f++] = 4; else
7387 if(*fen == 'C') marker[r][f++] = 5; else
7388 if(*fen == 'M') marker[r][f++] = 6; else
7389 if(*fen == 'W') marker[r][f++] = 7; else
7390 if(*fen == 'D') marker[r][f++] = 8; else
7391 if(*fen == 'R') marker[r][f++] = 2; else {
7392 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7395 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7399 DrawPosition(TRUE, NULL);
7402 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7405 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7407 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7408 Markers *m = (Markers *) closure;
7409 if(rf == fromY && ff == fromX && (killX < 0 ? !(rt == rf && ft == ff) && legNr & 1 : rt == killY && ft == killX || legNr & 2))
7410 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7411 || kind == WhiteCapturesEnPassant
7412 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 3;
7413 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 3;
7416 static int hoverSavedValid;
7419 MarkTargetSquares (int clear)
7422 if(clear) { // no reason to ever suppress clearing
7423 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7424 hoverSavedValid = 0;
7425 if(!sum) return; // nothing was cleared,no redraw needed
7428 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7429 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7430 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7431 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7432 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7434 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7437 DrawPosition(FALSE, NULL);
7441 Explode (Board board, int fromX, int fromY, int toX, int toY)
7443 if(gameInfo.variant == VariantAtomic &&
7444 (board[toY][toX] != EmptySquare || // capture?
7445 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7446 board[fromY][fromX] == BlackPawn )
7448 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7454 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7457 CanPromote (ChessSquare piece, int y)
7459 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7460 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7461 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7462 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7463 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7464 (gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7465 gameInfo.variant == VariantMakruk) && !*engineVariant) return FALSE;
7466 return (piece == BlackPawn && y <= zone ||
7467 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7468 piece == BlackLance && y <= zone ||
7469 piece == WhiteLance && y >= BOARD_HEIGHT-1-zone );
7473 HoverEvent (int xPix, int yPix, int x, int y)
7475 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7477 if(!first.highlight) return;
7478 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7479 if(x == oldX && y == oldY) return; // only do something if we enter new square
7480 oldFromX = fromX; oldFromY = fromY;
7481 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7482 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7483 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7484 hoverSavedValid = 1;
7485 } else if(oldX != x || oldY != y) {
7486 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7487 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7488 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7489 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7490 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7492 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7493 SendToProgram(buf, &first);
7496 // SetHighlights(fromX, fromY, x, y);
7500 void ReportClick(char *action, int x, int y)
7502 char buf[MSG_SIZ]; // Inform engine of what user does
7504 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7505 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7506 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7507 if(!first.highlight || gameMode == EditPosition) return;
7508 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7509 SendToProgram(buf, &first);
7512 Boolean right; // instructs front-end to use button-1 events as if they were button 3
7515 LeftClick (ClickType clickType, int xPix, int yPix)
7518 Boolean saveAnimate;
7519 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7520 char promoChoice = NULLCHAR;
7522 static TimeMark lastClickTime, prevClickTime;
7524 x = EventToSquare(xPix, BOARD_WIDTH);
7525 y = EventToSquare(yPix, BOARD_HEIGHT);
7526 if (!flipView && y >= 0) {
7527 y = BOARD_HEIGHT - 1 - y;
7529 if (flipView && x >= 0) {
7530 x = BOARD_WIDTH - 1 - x;
7533 if(appData.monoMouse && gameMode == EditPosition && fromX < 0 && clickType == Press && boards[currentMove][y][x] == EmptySquare) {
7535 RightClick(clickType, xPix, yPix, &dummy, &dummy);
7540 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7542 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7544 if (clickType == Press) ErrorPopDown();
7545 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7547 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7548 defaultPromoChoice = promoSweep;
7549 promoSweep = EmptySquare; // terminate sweep
7550 promoDefaultAltered = TRUE;
7551 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7554 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7555 if(clickType == Release) return; // ignore upclick of click-click destination
7556 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7557 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7558 if(gameInfo.holdingsWidth &&
7559 (WhiteOnMove(currentMove)
7560 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7561 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7562 // click in right holdings, for determining promotion piece
7563 ChessSquare p = boards[currentMove][y][x];
7564 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7565 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7566 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7567 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7572 DrawPosition(FALSE, boards[currentMove]);
7576 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7577 if(clickType == Press
7578 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7579 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7580 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7583 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7584 // could be static click on premove from-square: abort premove
7586 ClearPremoveHighlights();
7589 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7590 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7592 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7593 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7594 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7595 defaultPromoChoice = DefaultPromoChoice(side);
7598 autoQueen = appData.alwaysPromoteToQueen;
7602 gatingPiece = EmptySquare;
7603 if (clickType != Press) {
7604 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7605 DragPieceEnd(xPix, yPix); dragging = 0;
7606 DrawPosition(FALSE, NULL);
7610 doubleClick = FALSE;
7611 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7612 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7614 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7615 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7616 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7617 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7619 if (OKToStartUserMove(fromX, fromY)) {
7621 ReportClick("lift", x, y);
7622 MarkTargetSquares(0);
7623 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7624 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7625 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7626 promoSweep = defaultPromoChoice;
7627 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7628 Sweep(0); // Pawn that is going to promote: preview promotion piece
7629 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7631 if (appData.highlightDragging) {
7632 SetHighlights(fromX, fromY, -1, -1);
7636 } else fromX = fromY = -1;
7642 if (clickType == Press && gameMode != EditPosition) {
7647 // ignore off-board to clicks
7648 if(y < 0 || x < 0) return;
7650 /* Check if clicking again on the same color piece */
7651 fromP = boards[currentMove][fromY][fromX];
7652 toP = boards[currentMove][y][x];
7653 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7654 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7655 marker[y][x] == 0 && // if engine told we can move to here, do it even if own piece
7656 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7657 WhitePawn <= toP && toP <= WhiteKing &&
7658 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7659 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7660 (BlackPawn <= fromP && fromP <= BlackKing &&
7661 BlackPawn <= toP && toP <= BlackKing &&
7662 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7663 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7664 /* Clicked again on same color piece -- changed his mind */
7665 second = (x == fromX && y == fromY);
7667 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7668 second = FALSE; // first double-click rather than scond click
7669 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7671 promoDefaultAltered = FALSE;
7672 MarkTargetSquares(1);
7673 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7674 if (appData.highlightDragging) {
7675 SetHighlights(x, y, -1, -1);
7679 if (OKToStartUserMove(x, y)) {
7680 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7681 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7682 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7683 gatingPiece = boards[currentMove][fromY][fromX];
7684 else gatingPiece = doubleClick ? fromP : EmptySquare;
7686 fromY = y; dragging = 1;
7687 if(!second) ReportClick("lift", x, y);
7688 MarkTargetSquares(0);
7689 DragPieceBegin(xPix, yPix, FALSE);
7690 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7691 promoSweep = defaultPromoChoice;
7692 selectFlag = 0; lastX = xPix; lastY = yPix; *promoRestrict = 0;
7693 Sweep(0); // Pawn that is going to promote: preview promotion piece
7697 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7700 // ignore clicks on holdings
7701 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7704 if(x == fromX && y == fromY && clickType == Press && gameMode == EditPosition && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7705 gatingPiece = boards[currentMove][fromY][fromX]; // prepare to copy rather than move
7706 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7710 if (clickType == Release && x == fromX && y == fromY && killX < 0 && !sweepSelecting) {
7711 DragPieceEnd(xPix, yPix); dragging = 0;
7713 // a deferred attempt to click-click move an empty square on top of a piece
7714 boards[currentMove][y][x] = EmptySquare;
7716 DrawPosition(FALSE, boards[currentMove]);
7717 fromX = fromY = -1; clearFlag = 0;
7720 if (appData.animateDragging) {
7721 /* Undo animation damage if any */
7722 DrawPosition(FALSE, NULL);
7725 /* Second up/down in same square; just abort move */
7728 gatingPiece = EmptySquare;
7729 MarkTargetSquares(1);
7732 ClearPremoveHighlights();
7734 /* First upclick in same square; start click-click mode */
7735 SetHighlights(x, y, -1, -1);
7742 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7743 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7744 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7745 DisplayMessage(_("only marked squares are legal"),"");
7746 DrawPosition(TRUE, NULL);
7747 return; // ignore to-click
7750 /* we now have a different from- and (possibly off-board) to-square */
7751 /* Completed move */
7752 if(!sweepSelecting) {
7757 piece = boards[currentMove][fromY][fromX];
7759 saveAnimate = appData.animate;
7760 if (clickType == Press) {
7761 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7762 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7763 // must be Edit Position mode with empty-square selected
7764 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7765 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7768 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7771 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7772 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7774 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7775 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7776 if(appData.sweepSelect) {
7777 promoSweep = defaultPromoChoice;
7778 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED(piece)) == '+') promoSweep = CHUPROMOTED(piece);
7779 selectFlag = 0; lastX = xPix; lastY = yPix;
7780 ReportClick("put", x, y); // extra put to prompt engine for 'choice' command
7781 Sweep(0); // Pawn that is going to promote: preview promotion piece
7783 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7784 MarkTargetSquares(1);
7786 return; // promo popup appears on up-click
7788 /* Finish clickclick move */
7789 if (appData.animate || appData.highlightLastMove) {
7790 SetHighlights(fromX, fromY, toX, toY);
7794 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7795 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7797 if (appData.animate || appData.highlightLastMove) {
7798 SetHighlights(fromX, fromY, toX, toY);
7804 // [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
7805 /* Finish drag move */
7806 if (appData.highlightLastMove) {
7807 SetHighlights(fromX, fromY, toX, toY);
7812 if(PieceToChar(CHUPROMOTED(boards[currentMove][fromY][fromX])) == '+')
7813 defaultPromoChoice = CHUPROMOTED(boards[currentMove][fromY][fromX]);
7814 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7815 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7816 dragging *= 2; // flag button-less dragging if we are dragging
7817 MarkTargetSquares(1);
7818 if(x == killX && y == killY) killX = kill2X, killY = kill2Y, kill2X = kill2Y = -1; // cancel last kill
7820 kill2X = killX; kill2Y = killY;
7821 killX = x; killY = y; //remeber this square as intermediate
7822 ReportClick("put", x, y); // and inform engine
7823 ReportClick("lift", x, y);
7824 MarkTargetSquares(0);
7828 DragPieceEnd(xPix, yPix); dragging = 0;
7829 /* Don't animate move and drag both */
7830 appData.animate = FALSE;
7833 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7834 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7835 ChessSquare piece = boards[currentMove][fromY][fromX];
7836 if(gameMode == EditPosition && piece != EmptySquare &&
7837 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7840 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7841 n = PieceToNumber(piece - (int)BlackPawn);
7842 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7843 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7844 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7846 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7847 n = PieceToNumber(piece);
7848 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7849 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7850 boards[currentMove][n][BOARD_WIDTH-2]++;
7852 boards[currentMove][fromY][fromX] = EmptySquare;
7856 MarkTargetSquares(1);
7857 DrawPosition(TRUE, boards[currentMove]);
7861 // off-board moves should not be highlighted
7862 if(x < 0 || y < 0) ClearHighlights();
7863 else ReportClick("put", x, y);
7865 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7867 if(legal[toY][toX] == 2) promoChoice = ToLower(PieceToChar(defaultPromoChoice)); // highlight-induced promotion
7869 if (legal[toY][toX] == 2 && !appData.sweepSelect || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7870 SetHighlights(fromX, fromY, toX, toY);
7871 MarkTargetSquares(1);
7872 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7873 // [HGM] super: promotion to captured piece selected from holdings
7874 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7875 promotionChoice = TRUE;
7876 // kludge follows to temporarily execute move on display, without promoting yet
7877 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7878 boards[currentMove][toY][toX] = p;
7879 DrawPosition(FALSE, boards[currentMove]);
7880 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7881 boards[currentMove][toY][toX] = q;
7882 DisplayMessage("Click in holdings to choose piece", "");
7885 PromotionPopUp(promoChoice);
7887 int oldMove = currentMove;
7888 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7889 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7890 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7891 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7892 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7893 DrawPosition(TRUE, boards[currentMove]);
7894 MarkTargetSquares(1);
7897 appData.animate = saveAnimate;
7898 if (appData.animate || appData.animateDragging) {
7899 /* Undo animation damage if needed */
7900 DrawPosition(FALSE, NULL);
7905 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7906 { // front-end-free part taken out of PieceMenuPopup
7907 int whichMenu; int xSqr, ySqr;
7909 if(seekGraphUp) { // [HGM] seekgraph
7910 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7911 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7915 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7916 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7917 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7918 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7919 if(action == Press) {
7920 originalFlip = flipView;
7921 flipView = !flipView; // temporarily flip board to see game from partners perspective
7922 DrawPosition(TRUE, partnerBoard);
7923 DisplayMessage(partnerStatus, "");
7925 } else if(action == Release) {
7926 flipView = originalFlip;
7927 DrawPosition(TRUE, boards[currentMove]);
7933 xSqr = EventToSquare(x, BOARD_WIDTH);
7934 ySqr = EventToSquare(y, BOARD_HEIGHT);
7935 if (action == Release) {
7936 if(pieceSweep != EmptySquare) {
7937 EditPositionMenuEvent(pieceSweep, toX, toY);
7938 pieceSweep = EmptySquare;
7939 } else UnLoadPV(); // [HGM] pv
7941 if (action != Press) return -2; // return code to be ignored
7944 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7946 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7947 if (xSqr < 0 || ySqr < 0) return -1;
7948 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7949 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7950 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7951 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7955 if(!appData.icsEngineAnalyze) return -1;
7956 case IcsPlayingWhite:
7957 case IcsPlayingBlack:
7958 if(!appData.zippyPlay) goto noZip;
7961 case MachinePlaysWhite:
7962 case MachinePlaysBlack:
7963 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7964 if (!appData.dropMenu) {
7966 return 2; // flag front-end to grab mouse events
7968 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7969 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7972 if (xSqr < 0 || ySqr < 0) return -1;
7973 if (!appData.dropMenu || appData.testLegality &&
7974 gameInfo.variant != VariantBughouse &&
7975 gameInfo.variant != VariantCrazyhouse) return -1;
7976 whichMenu = 1; // drop menu
7982 if (((*fromX = xSqr) < 0) ||
7983 ((*fromY = ySqr) < 0)) {
7984 *fromX = *fromY = -1;
7988 *fromX = BOARD_WIDTH - 1 - *fromX;
7990 *fromY = BOARD_HEIGHT - 1 - *fromY;
7996 Wheel (int dir, int x, int y)
7998 if(gameMode == EditPosition) {
7999 int xSqr = EventToSquare(x, BOARD_WIDTH);
8000 int ySqr = EventToSquare(y, BOARD_HEIGHT);
8001 if(ySqr < 0 || xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return;
8002 if(flipView) xSqr = BOARD_WIDTH - 1 - xSqr; else ySqr = BOARD_HEIGHT - 1 - ySqr;
8004 boards[currentMove][ySqr][xSqr] += dir;
8005 if((int) boards[currentMove][ySqr][xSqr] < WhitePawn) boards[currentMove][ySqr][xSqr] = BlackKing;
8006 if((int) boards[currentMove][ySqr][xSqr] > BlackKing) boards[currentMove][ySqr][xSqr] = WhitePawn;
8007 } while(PieceToChar(boards[currentMove][ySqr][xSqr]) == '.');
8008 DrawPosition(FALSE, boards[currentMove]);
8009 } else if(dir > 0) ForwardEvent(); else BackwardEvent();
8013 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
8015 // char * hint = lastHint;
8016 FrontEndProgramStats stats;
8018 stats.which = cps == &first ? 0 : 1;
8019 stats.depth = cpstats->depth;
8020 stats.nodes = cpstats->nodes;
8021 stats.score = cpstats->score;
8022 stats.time = cpstats->time;
8023 stats.pv = cpstats->movelist;
8024 stats.hint = lastHint;
8025 stats.an_move_index = 0;
8026 stats.an_move_count = 0;
8028 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
8029 stats.hint = cpstats->move_name;
8030 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
8031 stats.an_move_count = cpstats->nr_moves;
8034 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
8036 SetProgramStats( &stats );
8040 ClearEngineOutputPane (int which)
8042 static FrontEndProgramStats dummyStats;
8043 dummyStats.which = which;
8044 dummyStats.pv = "#";
8045 SetProgramStats( &dummyStats );
8048 #define MAXPLAYERS 500
8051 TourneyStandings (int display)
8053 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
8054 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
8055 char result, *p, *names[MAXPLAYERS];
8057 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
8058 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
8059 names[0] = p = strdup(appData.participants);
8060 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
8062 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
8064 while(result = appData.results[nr]) {
8065 color = Pairing(nr, nPlayers, &w, &b, &dummy);
8066 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
8067 wScore = bScore = 0;
8069 case '+': wScore = 2; break;
8070 case '-': bScore = 2; break;
8071 case '=': wScore = bScore = 1; break;
8073 case '*': return strdup("busy"); // tourney not finished
8081 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
8082 for(w=0; w<nPlayers; w++) {
8084 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
8085 ranking[w] = b; points[w] = bScore; score[b] = -2;
8087 p = malloc(nPlayers*34+1);
8088 for(w=0; w<nPlayers && w<display; w++)
8089 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
8095 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
8096 { // count all piece types
8098 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
8099 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
8100 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8103 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
8104 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
8105 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
8106 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
8107 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
8108 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
8113 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
8115 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
8116 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
8118 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
8119 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
8120 if(myPawns == 2 && nMine == 3) // KPP
8121 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
8122 if(myPawns == 1 && nMine == 2) // KP
8123 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8124 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
8125 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
8126 if(myPawns) return FALSE;
8127 if(pCnt[WhiteRook+side])
8128 return pCnt[BlackRook-side] ||
8129 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
8130 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
8131 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
8132 if(pCnt[WhiteCannon+side]) {
8133 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
8134 return majorDefense || pCnt[BlackAlfil-side] >= 2;
8136 if(pCnt[WhiteKnight+side])
8137 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
8142 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
8144 VariantClass v = gameInfo.variant;
8146 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
8147 if(v == VariantShatranj) return TRUE; // always winnable through baring
8148 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
8149 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
8151 if(v == VariantXiangqi) {
8152 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
8154 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
8155 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
8156 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
8157 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
8158 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
8159 if(stale) // we have at least one last-rank P plus perhaps C
8160 return majors // KPKX
8161 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
8163 return pCnt[WhiteFerz+side] // KCAK
8164 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
8165 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
8166 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
8168 } else if(v == VariantKnightmate) {
8169 if(nMine == 1) return FALSE;
8170 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
8171 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
8172 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
8174 if(nMine == 1) return FALSE; // bare King
8175 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
8176 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
8177 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
8178 // by now we have King + 1 piece (or multiple Bishops on the same color)
8179 if(pCnt[WhiteKnight+side])
8180 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
8181 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
8182 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
8184 return (pCnt[BlackKnight-side]); // KBKN, KFKN
8185 if(pCnt[WhiteAlfil+side])
8186 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
8187 if(pCnt[WhiteWazir+side])
8188 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8195 CompareWithRights (Board b1, Board b2)
8198 if(!CompareBoards(b1, b2)) return FALSE;
8199 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8200 /* compare castling rights */
8201 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8202 rights++; /* King lost rights, while rook still had them */
8203 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8204 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8205 rights++; /* but at least one rook lost them */
8207 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8209 if( b1[CASTLING][5] != NoRights ) {
8210 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8217 Adjudicate (ChessProgramState *cps)
8218 { // [HGM] some adjudications useful with buggy engines
8219 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8220 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8221 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8222 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8223 int k, drop, count = 0; static int bare = 1;
8224 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8225 Boolean canAdjudicate = !appData.icsActive;
8227 // most tests only when we understand the game, i.e. legality-checking on
8228 if( appData.testLegality )
8229 { /* [HGM] Some more adjudications for obstinate engines */
8230 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+2], i;
8231 static int moveCount = 6;
8233 char *reason = NULL;
8235 /* Count what is on board. */
8236 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8238 /* Some material-based adjudications that have to be made before stalemate test */
8239 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8240 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8241 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8242 if(canAdjudicate && appData.checkMates) {
8244 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8245 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8246 "Xboard adjudication: King destroyed", GE_XBOARD );
8251 /* Bare King in Shatranj (loses) or Losers (wins) */
8252 if( nrW == 1 || nrB == 1) {
8253 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8254 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8255 if(canAdjudicate && appData.checkMates) {
8257 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8258 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8259 "Xboard adjudication: Bare king", GE_XBOARD );
8263 if( gameInfo.variant == VariantShatranj && --bare < 0)
8265 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8266 if(canAdjudicate && appData.checkMates) {
8267 /* but only adjudicate if adjudication enabled */
8269 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8270 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8271 "Xboard adjudication: Bare king", GE_XBOARD );
8278 // don't wait for engine to announce game end if we can judge ourselves
8279 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8281 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8282 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8283 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8284 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8287 reason = "Xboard adjudication: 3rd check";
8288 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8299 reason = "Xboard adjudication: Stalemate";
8300 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8301 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8302 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8303 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8304 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8305 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8306 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8307 EP_CHECKMATE : EP_WINS);
8308 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8309 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8313 reason = "Xboard adjudication: Checkmate";
8314 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8315 if(gameInfo.variant == VariantShogi) {
8316 if(forwardMostMove > backwardMostMove
8317 && moveList[forwardMostMove-1][1] == '@'
8318 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8319 reason = "XBoard adjudication: pawn-drop mate";
8320 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8326 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8328 result = GameIsDrawn; break;
8330 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8332 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8336 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8338 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8339 GameEnds( result, reason, GE_XBOARD );
8343 /* Next absolutely insufficient mating material. */
8344 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8345 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8346 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8348 /* always flag draws, for judging claims */
8349 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8351 if(canAdjudicate && appData.materialDraws) {
8352 /* but only adjudicate them if adjudication enabled */
8353 if(engineOpponent) {
8354 SendToProgram("force\n", engineOpponent); // suppress reply
8355 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8357 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8362 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8363 if(gameInfo.variant == VariantXiangqi ?
8364 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8366 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8367 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8368 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8369 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8371 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8372 { /* if the first 3 moves do not show a tactical win, declare draw */
8373 if(engineOpponent) {
8374 SendToProgram("force\n", engineOpponent); // suppress reply
8375 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8377 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8380 } else moveCount = 6;
8383 // Repetition draws and 50-move rule can be applied independently of legality testing
8385 /* Check for rep-draws */
8387 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8388 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8389 for(k = forwardMostMove-2;
8390 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8391 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8392 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8395 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8396 /* compare castling rights */
8397 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8398 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8399 rights++; /* King lost rights, while rook still had them */
8400 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8401 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8402 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8403 rights++; /* but at least one rook lost them */
8405 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8406 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8408 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8409 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8410 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8413 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8414 && appData.drawRepeats > 1) {
8415 /* adjudicate after user-specified nr of repeats */
8416 int result = GameIsDrawn;
8417 char *details = "XBoard adjudication: repetition draw";
8418 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8419 // [HGM] xiangqi: check for forbidden perpetuals
8420 int m, ourPerpetual = 1, hisPerpetual = 1;
8421 for(m=forwardMostMove; m>k; m-=2) {
8422 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8423 ourPerpetual = 0; // the current mover did not always check
8424 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8425 hisPerpetual = 0; // the opponent did not always check
8427 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8428 ourPerpetual, hisPerpetual);
8429 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8430 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8431 details = "Xboard adjudication: perpetual checking";
8433 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8434 break; // (or we would have caught him before). Abort repetition-checking loop.
8436 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8437 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8439 details = "Xboard adjudication: repetition";
8441 } else // it must be XQ
8442 // Now check for perpetual chases
8443 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8444 hisPerpetual = PerpetualChase(k, forwardMostMove);
8445 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8446 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8447 static char resdet[MSG_SIZ];
8448 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8450 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8452 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8453 break; // Abort repetition-checking loop.
8455 // if neither of us is checking or chasing all the time, or both are, it is draw
8457 if(engineOpponent) {
8458 SendToProgram("force\n", engineOpponent); // suppress reply
8459 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8461 GameEnds( result, details, GE_XBOARD );
8464 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8465 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8469 /* Now we test for 50-move draws. Determine ply count */
8470 count = forwardMostMove;
8471 /* look for last irreversble move */
8472 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8474 /* if we hit starting position, add initial plies */
8475 if( count == backwardMostMove )
8476 count -= initialRulePlies;
8477 count = forwardMostMove - count;
8478 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8479 // adjust reversible move counter for checks in Xiangqi
8480 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8481 if(i < backwardMostMove) i = backwardMostMove;
8482 while(i <= forwardMostMove) {
8483 lastCheck = inCheck; // check evasion does not count
8484 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8485 if(inCheck || lastCheck) count--; // check does not count
8490 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8491 /* this is used to judge if draw claims are legal */
8492 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8493 if(engineOpponent) {
8494 SendToProgram("force\n", engineOpponent); // suppress reply
8495 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8497 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8501 /* if draw offer is pending, treat it as a draw claim
8502 * when draw condition present, to allow engines a way to
8503 * claim draws before making their move to avoid a race
8504 * condition occurring after their move
8506 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8508 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8509 p = "Draw claim: 50-move rule";
8510 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8511 p = "Draw claim: 3-fold repetition";
8512 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8513 p = "Draw claim: insufficient mating material";
8514 if( p != NULL && canAdjudicate) {
8515 if(engineOpponent) {
8516 SendToProgram("force\n", engineOpponent); // suppress reply
8517 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8519 GameEnds( GameIsDrawn, p, GE_XBOARD );
8524 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8525 if(engineOpponent) {
8526 SendToProgram("force\n", engineOpponent); // suppress reply
8527 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8529 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8535 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8536 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8537 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8542 int pieces[10], squares[10], cnt=0, r, f, res;
8544 static PPROBE_EGBB probeBB;
8545 if(!appData.testLegality) return 10;
8546 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8547 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8548 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8549 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8550 ChessSquare piece = boards[forwardMostMove][r][f];
8551 int black = (piece >= BlackPawn);
8552 int type = piece - black*BlackPawn;
8553 if(piece == EmptySquare) continue;
8554 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8555 if(type == WhiteKing) type = WhiteQueen + 1;
8556 type = egbbCode[type];
8557 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8558 pieces[cnt] = type + black*6;
8559 if(++cnt > 5) return 11;
8561 pieces[cnt] = squares[cnt] = 0;
8563 if(loaded == 2) return 13; // loading failed before
8565 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8568 loaded = 2; // prepare for failure
8569 if(!path) return 13; // no egbb installed
8570 strncpy(buf, path + 8, MSG_SIZ);
8571 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8572 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8573 lib = LoadLibrary(buf);
8574 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8575 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8576 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8577 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8578 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8579 loaded = 1; // success!
8581 res = probeBB(forwardMostMove & 1, pieces, squares);
8582 return res > 0 ? 1 : res < 0 ? -1 : 0;
8586 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8587 { // [HGM] book: this routine intercepts moves to simulate book replies
8588 char *bookHit = NULL;
8590 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8592 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8593 SendToProgram(buf, cps);
8595 //first determine if the incoming move brings opponent into his book
8596 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8597 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8598 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8599 if(bookHit != NULL && !cps->bookSuspend) {
8600 // make sure opponent is not going to reply after receiving move to book position
8601 SendToProgram("force\n", cps);
8602 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8604 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8605 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8606 // now arrange restart after book miss
8608 // after a book hit we never send 'go', and the code after the call to this routine
8609 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8610 char buf[MSG_SIZ], *move = bookHit;
8612 int fromX, fromY, toX, toY;
8616 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8617 &fromX, &fromY, &toX, &toY, &promoChar)) {
8618 (void) CoordsToAlgebraic(boards[forwardMostMove],
8619 PosFlags(forwardMostMove),
8620 fromY, fromX, toY, toX, promoChar, move);
8622 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8626 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8627 SendToProgram(buf, cps);
8628 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8629 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8630 SendToProgram("go\n", cps);
8631 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8632 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8633 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8634 SendToProgram("go\n", cps);
8635 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8637 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8641 LoadError (char *errmess, ChessProgramState *cps)
8642 { // unloads engine and switches back to -ncp mode if it was first
8643 if(cps->initDone) return FALSE;
8644 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8645 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8648 appData.noChessProgram = TRUE;
8649 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8650 gameMode = BeginningOfGame; ModeHighlight();
8653 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8654 DisplayMessage("", ""); // erase waiting message
8655 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8660 ChessProgramState *savedState;
8662 DeferredBookMove (void)
8664 if(savedState->lastPing != savedState->lastPong)
8665 ScheduleDelayedEvent(DeferredBookMove, 10);
8667 HandleMachineMove(savedMessage, savedState);
8670 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8671 static ChessProgramState *stalledEngine;
8672 static char stashedInputMove[MSG_SIZ], abortEngineThink;
8675 HandleMachineMove (char *message, ChessProgramState *cps)
8677 static char firstLeg[20];
8678 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8679 char realname[MSG_SIZ];
8680 int fromX, fromY, toX, toY;
8682 char promoChar, roar;
8687 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8688 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8689 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8690 DisplayError(_("Invalid pairing from pairing engine"), 0);
8693 pairingReceived = 1;
8695 return; // Skim the pairing messages here.
8698 oldError = cps->userError; cps->userError = 0;
8700 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8702 * Kludge to ignore BEL characters
8704 while (*message == '\007') message++;
8707 * [HGM] engine debug message: ignore lines starting with '#' character
8709 if(cps->debug && *message == '#') return;
8712 * Look for book output
8714 if (cps == &first && bookRequested) {
8715 if (message[0] == '\t' || message[0] == ' ') {
8716 /* Part of the book output is here; append it */
8717 strcat(bookOutput, message);
8718 strcat(bookOutput, " \n");
8720 } else if (bookOutput[0] != NULLCHAR) {
8721 /* All of book output has arrived; display it */
8722 char *p = bookOutput;
8723 while (*p != NULLCHAR) {
8724 if (*p == '\t') *p = ' ';
8727 DisplayInformation(bookOutput);
8728 bookRequested = FALSE;
8729 /* Fall through to parse the current output */
8734 * Look for machine move.
8736 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8737 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8739 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8740 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8741 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8742 stalledEngine = cps;
8743 if(appData.ponderNextMove) { // bring opponent out of ponder
8744 if(gameMode == TwoMachinesPlay) {
8745 if(cps->other->pause)
8746 PauseEngine(cps->other);
8748 SendToProgram("easy\n", cps->other);
8757 /* This method is only useful on engines that support ping */
8758 if(abortEngineThink) {
8759 if (appData.debugMode) {
8760 fprintf(debugFP, "Undoing move from aborted think of %s\n", cps->which);
8762 SendToProgram("undo\n", cps);
8766 if (cps->lastPing != cps->lastPong) {
8767 /* Extra move from before last new; ignore */
8768 if (appData.debugMode) {
8769 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8776 int machineWhite = FALSE;
8779 case BeginningOfGame:
8780 /* Extra move from before last reset; ignore */
8781 if (appData.debugMode) {
8782 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8789 /* Extra move after we tried to stop. The mode test is
8790 not a reliable way of detecting this problem, but it's
8791 the best we can do on engines that don't support ping.
8793 if (appData.debugMode) {
8794 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8795 cps->which, gameMode);
8797 SendToProgram("undo\n", cps);
8800 case MachinePlaysWhite:
8801 case IcsPlayingWhite:
8802 machineWhite = TRUE;
8805 case MachinePlaysBlack:
8806 case IcsPlayingBlack:
8807 machineWhite = FALSE;
8810 case TwoMachinesPlay:
8811 machineWhite = (cps->twoMachinesColor[0] == 'w');
8814 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8815 if (appData.debugMode) {
8817 "Ignoring move out of turn by %s, gameMode %d"
8818 ", forwardMost %d\n",
8819 cps->which, gameMode, forwardMostMove);
8825 if(cps->alphaRank) AlphaRank(machineMove, 4);
8827 // [HGM] lion: (some very limited) support for Alien protocol
8828 killX = killY = kill2X = kill2Y = -1;
8829 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8830 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8833 if(p = strchr(machineMove, ',')) { // we got both legs in one (happens on book move)
8834 safeStrCpy(firstLeg, machineMove, 20); // kludge: fake we received the first leg earlier, and clip it off
8835 safeStrCpy(machineMove, firstLeg + (p - machineMove) + 1, 20);
8837 if(firstLeg[0]) { // there was a previous leg;
8838 // only support case where same piece makes two step
8839 char buf[20], *p = machineMove+1, *q = buf+1, f;
8840 safeStrCpy(buf, machineMove, 20);
8841 while(isdigit(*q)) q++; // find start of to-square
8842 safeStrCpy(machineMove, firstLeg, 20);
8843 while(isdigit(*p)) p++; // to-square of first leg (which is now copied to machineMove)
8844 if(*p == *buf) // if first-leg to not equal to second-leg from first leg says unmodified (assume it ia King move of castling)
8845 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8846 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8847 firstLeg[0] = NULLCHAR;
8850 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8851 &fromX, &fromY, &toX, &toY, &promoChar)) {
8852 /* Machine move could not be parsed; ignore it. */
8853 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8854 machineMove, _(cps->which));
8855 DisplayMoveError(buf1);
8856 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c, %c%c) res=%d",
8857 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, kill2X+AAA, kill2Y+ONE, moveType);
8858 if (gameMode == TwoMachinesPlay) {
8859 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8865 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8866 /* So we have to redo legality test with true e.p. status here, */
8867 /* to make sure an illegal e.p. capture does not slip through, */
8868 /* to cause a forfeit on a justified illegal-move complaint */
8869 /* of the opponent. */
8870 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8872 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8873 fromY, fromX, toY, toX, promoChar);
8874 if(moveType == IllegalMove) {
8875 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8876 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8877 GameEnds(cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8880 } else if(!appData.fischerCastling)
8881 /* [HGM] Kludge to handle engines that send FRC-style castling
8882 when they shouldn't (like TSCP-Gothic) */
8884 case WhiteASideCastleFR:
8885 case BlackASideCastleFR:
8887 currentMoveString[2]++;
8889 case WhiteHSideCastleFR:
8890 case BlackHSideCastleFR:
8892 currentMoveString[2]--;
8894 default: ; // nothing to do, but suppresses warning of pedantic compilers
8897 hintRequested = FALSE;
8898 lastHint[0] = NULLCHAR;
8899 bookRequested = FALSE;
8900 /* Program may be pondering now */
8901 cps->maybeThinking = TRUE;
8902 if (cps->sendTime == 2) cps->sendTime = 1;
8903 if (cps->offeredDraw) cps->offeredDraw--;
8905 /* [AS] Save move info*/
8906 pvInfoList[ forwardMostMove ].score = programStats.score;
8907 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8908 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8910 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8912 /* Test suites abort the 'game' after one move */
8913 if(*appData.finger) {
8915 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8916 if(!f) f = fopen(appData.finger, "w");
8917 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8918 else { DisplayFatalError("Bad output file", errno, 0); return; }
8920 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8923 if(solvingTime >= 0) {
8924 snprintf(buf1, MSG_SIZ, "%d. %4.2fs\n", matchGame, solvingTime/100.);
8925 totalTime += solvingTime; first.matchWins++;
8927 snprintf(buf1, MSG_SIZ, "%d. wrong (%s)\n", matchGame, parseList[backwardMostMove]);
8930 OutputKibitz(2, buf1);
8931 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8934 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8935 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8938 while( count < adjudicateLossPlies ) {
8939 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8942 score = -score; /* Flip score for winning side */
8945 if( score > appData.adjudicateLossThreshold ) {
8952 if( count >= adjudicateLossPlies ) {
8953 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8955 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8956 "Xboard adjudication",
8963 if(Adjudicate(cps)) {
8964 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8965 return; // [HGM] adjudicate: for all automatic game ends
8969 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8971 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8972 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8974 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8976 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8978 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8979 char buf[3*MSG_SIZ];
8981 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8982 programStats.score / 100.,
8984 programStats.time / 100.,
8985 (unsigned int)programStats.nodes,
8986 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8987 programStats.movelist);
8993 /* [AS] Clear stats for next move */
8994 ClearProgramStats();
8995 thinkOutput[0] = NULLCHAR;
8996 hiddenThinkOutputState = 0;
8999 if (gameMode == TwoMachinesPlay) {
9000 /* [HGM] relaying draw offers moved to after reception of move */
9001 /* and interpreting offer as claim if it brings draw condition */
9002 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
9003 SendToProgram("draw\n", cps->other);
9005 if (cps->other->sendTime) {
9006 SendTimeRemaining(cps->other,
9007 cps->other->twoMachinesColor[0] == 'w');
9009 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
9010 if (firstMove && !bookHit) {
9012 if (cps->other->useColors) {
9013 SendToProgram(cps->other->twoMachinesColor, cps->other);
9015 SendToProgram("go\n", cps->other);
9017 cps->other->maybeThinking = TRUE;
9020 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
9022 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
9024 if (!pausing && appData.ringBellAfterMoves) {
9025 if(!roar) RingBell();
9029 * Reenable menu items that were disabled while
9030 * machine was thinking
9032 if (gameMode != TwoMachinesPlay)
9033 SetUserThinkingEnables();
9035 // [HGM] book: after book hit opponent has received move and is now in force mode
9036 // force the book reply into it, and then fake that it outputted this move by jumping
9037 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
9039 static char bookMove[MSG_SIZ]; // a bit generous?
9041 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
9042 strcat(bookMove, bookHit);
9045 programStats.nodes = programStats.depth = programStats.time =
9046 programStats.score = programStats.got_only_move = 0;
9047 sprintf(programStats.movelist, "%s (xbook)", bookHit);
9049 if(cps->lastPing != cps->lastPong) {
9050 savedMessage = message; // args for deferred call
9052 ScheduleDelayedEvent(DeferredBookMove, 10);
9061 /* Set special modes for chess engines. Later something general
9062 * could be added here; for now there is just one kludge feature,
9063 * needed because Crafty 15.10 and earlier don't ignore SIGINT
9064 * when "xboard" is given as an interactive command.
9066 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
9067 cps->useSigint = FALSE;
9068 cps->useSigterm = FALSE;
9070 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
9071 ParseFeatures(message+8, cps);
9072 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
9075 if (!strncmp(message, "setup ", 6) &&
9076 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
9077 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
9078 ) { // [HGM] allow first engine to define opening position
9079 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
9080 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
9082 if(sscanf(message, "setup (%s", buf) == 1) {
9083 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTableEsc(pieceToChar, buf, SUFFIXES);
9084 ASSIGN(appData.pieceToCharTable, buf);
9086 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
9088 while(message[s] && message[s++] != ' ');
9089 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
9090 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
9091 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
9092 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
9093 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
9094 if(*buf) SetCharTableEsc(pieceToChar, buf, SUFFIXES); // do again, for it was spoiled by InitPosition
9095 startedFromSetupPosition = FALSE;
9098 if(startedFromSetupPosition) return;
9099 ParseFEN(boards[0], &dummy, message+s, FALSE);
9100 DrawPosition(TRUE, boards[0]);
9101 CopyBoard(initialPosition, boards[0]);
9102 startedFromSetupPosition = TRUE;
9105 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
9106 ChessSquare piece = WhitePawn;
9107 char *p=message+6, *q, *s = SUFFIXES, ID = *p;
9108 if(*p == '+') piece = CHUPROMOTED(WhitePawn), ID = *++p;
9109 if(q = strchr(s, p[1])) ID += 64*(q - s + 1), p++;
9110 piece += CharToPiece(ID & 255) - WhitePawn;
9111 if(cps != &first || appData.testLegality && *engineVariant == NULLCHAR
9112 /* always accept definition of */ && piece != WhiteFalcon && piece != BlackFalcon
9113 /* wild-card pieces. */ && piece != WhiteCobra && piece != BlackCobra
9114 /* For variants we don't have */ && gameInfo.variant != VariantBerolina
9115 /* correct rules for, we cannot */ && gameInfo.variant != VariantCylinder
9116 /* enforce legality on our own! */ && gameInfo.variant != VariantUnknown
9117 && gameInfo.variant != VariantGreat
9118 && gameInfo.variant != VariantFairy ) return;
9119 if(piece < EmptySquare) {
9121 ASSIGN(pieceDesc[piece], buf1);
9122 if((ID & 32) == 0 && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
9126 if(sscanf(message, "choice %s", promoRestrict) == 1 && promoSweep != EmptySquare) {
9127 promoSweep = CharToPiece(currentMove&1 ? ToLower(*promoRestrict) : ToUpper(*promoRestrict));
9131 /* [HGM] Allow engine to set up a position. Don't ask me why one would
9132 * want this, I was asked to put it in, and obliged.
9134 if (!strncmp(message, "setboard ", 9)) {
9135 Board initial_position;
9137 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
9139 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
9140 DisplayError(_("Bad FEN received from engine"), 0);
9144 CopyBoard(boards[0], initial_position);
9145 initialRulePlies = FENrulePlies;
9146 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
9147 else gameMode = MachinePlaysBlack;
9148 DrawPosition(FALSE, boards[currentMove]);
9154 * Look for communication commands
9156 if (!strncmp(message, "telluser ", 9)) {
9157 if(message[9] == '\\' && message[10] == '\\')
9158 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
9160 DisplayNote(message + 9);
9163 if (!strncmp(message, "tellusererror ", 14)) {
9165 if(message[14] == '\\' && message[15] == '\\')
9166 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
9168 DisplayError(message + 14, 0);
9171 if (!strncmp(message, "tellopponent ", 13)) {
9172 if (appData.icsActive) {
9174 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
9178 DisplayNote(message + 13);
9182 if (!strncmp(message, "tellothers ", 11)) {
9183 if (appData.icsActive) {
9185 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
9188 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
9191 if (!strncmp(message, "tellall ", 8)) {
9192 if (appData.icsActive) {
9194 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
9198 DisplayNote(message + 8);
9202 if (strncmp(message, "warning", 7) == 0) {
9203 /* Undocumented feature, use tellusererror in new code */
9204 DisplayError(message, 0);
9207 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
9208 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
9209 strcat(realname, " query");
9210 AskQuestion(realname, buf2, buf1, cps->pr);
9213 /* Commands from the engine directly to ICS. We don't allow these to be
9214 * sent until we are logged on. Crafty kibitzes have been known to
9215 * interfere with the login process.
9218 if (!strncmp(message, "tellics ", 8)) {
9219 SendToICS(message + 8);
9223 if (!strncmp(message, "tellicsnoalias ", 15)) {
9224 SendToICS(ics_prefix);
9225 SendToICS(message + 15);
9229 /* The following are for backward compatibility only */
9230 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9231 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9232 SendToICS(ics_prefix);
9238 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9239 if(initPing == cps->lastPong) {
9240 if(gameInfo.variant == VariantUnknown) {
9241 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9242 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9243 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9247 if(cps->lastPing == cps->lastPong && abortEngineThink) {
9248 abortEngineThink = FALSE;
9249 DisplayMessage("", "");
9254 if(!strncmp(message, "highlight ", 10)) {
9255 if(appData.testLegality && !*engineVariant && appData.markers) return;
9256 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9259 if(!strncmp(message, "click ", 6)) {
9260 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9261 if(appData.testLegality || !appData.oneClick) return;
9262 sscanf(message+6, "%c%d%c", &f, &y, &c);
9263 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9264 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9265 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9266 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9267 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9268 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9269 LeftClick(Release, lastLeftX, lastLeftY);
9270 controlKey = (c == ',');
9271 LeftClick(Press, x, y);
9272 LeftClick(Release, x, y);
9273 first.highlight = f;
9277 * If the move is illegal, cancel it and redraw the board.
9278 * Also deal with other error cases. Matching is rather loose
9279 * here to accommodate engines written before the spec.
9281 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9282 strncmp(message, "Error", 5) == 0) {
9283 if (StrStr(message, "name") ||
9284 StrStr(message, "rating") || StrStr(message, "?") ||
9285 StrStr(message, "result") || StrStr(message, "board") ||
9286 StrStr(message, "bk") || StrStr(message, "computer") ||
9287 StrStr(message, "variant") || StrStr(message, "hint") ||
9288 StrStr(message, "random") || StrStr(message, "depth") ||
9289 StrStr(message, "accepted")) {
9292 if (StrStr(message, "protover")) {
9293 /* Program is responding to input, so it's apparently done
9294 initializing, and this error message indicates it is
9295 protocol version 1. So we don't need to wait any longer
9296 for it to initialize and send feature commands. */
9297 FeatureDone(cps, 1);
9298 cps->protocolVersion = 1;
9301 cps->maybeThinking = FALSE;
9303 if (StrStr(message, "draw")) {
9304 /* Program doesn't have "draw" command */
9305 cps->sendDrawOffers = 0;
9308 if (cps->sendTime != 1 &&
9309 (StrStr(message, "time") || StrStr(message, "otim"))) {
9310 /* Program apparently doesn't have "time" or "otim" command */
9314 if (StrStr(message, "analyze")) {
9315 cps->analysisSupport = FALSE;
9316 cps->analyzing = FALSE;
9317 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9318 EditGameEvent(); // [HGM] try to preserve loaded game
9319 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9320 DisplayError(buf2, 0);
9323 if (StrStr(message, "(no matching move)st")) {
9324 /* Special kludge for GNU Chess 4 only */
9325 cps->stKludge = TRUE;
9326 SendTimeControl(cps, movesPerSession, timeControl,
9327 timeIncrement, appData.searchDepth,
9331 if (StrStr(message, "(no matching move)sd")) {
9332 /* Special kludge for GNU Chess 4 only */
9333 cps->sdKludge = TRUE;
9334 SendTimeControl(cps, movesPerSession, timeControl,
9335 timeIncrement, appData.searchDepth,
9339 if (!StrStr(message, "llegal")) {
9342 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9343 gameMode == IcsIdle) return;
9344 if (forwardMostMove <= backwardMostMove) return;
9345 if (pausing) PauseEvent();
9346 if(appData.forceIllegal) {
9347 // [HGM] illegal: machine refused move; force position after move into it
9348 SendToProgram("force\n", cps);
9349 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9350 // we have a real problem now, as SendBoard will use the a2a3 kludge
9351 // when black is to move, while there might be nothing on a2 or black
9352 // might already have the move. So send the board as if white has the move.
9353 // But first we must change the stm of the engine, as it refused the last move
9354 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9355 if(WhiteOnMove(forwardMostMove)) {
9356 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9357 SendBoard(cps, forwardMostMove); // kludgeless board
9359 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9360 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9361 SendBoard(cps, forwardMostMove+1); // kludgeless board
9363 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9364 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9365 gameMode == TwoMachinesPlay)
9366 SendToProgram("go\n", cps);
9369 if (gameMode == PlayFromGameFile) {
9370 /* Stop reading this game file */
9371 gameMode = EditGame;
9374 /* [HGM] illegal-move claim should forfeit game when Xboard */
9375 /* only passes fully legal moves */
9376 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9377 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9378 "False illegal-move claim", GE_XBOARD );
9379 return; // do not take back move we tested as valid
9381 currentMove = forwardMostMove-1;
9382 DisplayMove(currentMove-1); /* before DisplayMoveError */
9383 SwitchClocks(forwardMostMove-1); // [HGM] race
9384 DisplayBothClocks();
9385 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9386 parseList[currentMove], _(cps->which));
9387 DisplayMoveError(buf1);
9388 DrawPosition(FALSE, boards[currentMove]);
9390 SetUserThinkingEnables();
9393 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9394 /* Program has a broken "time" command that
9395 outputs a string not ending in newline.
9399 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9400 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9401 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9405 * If chess program startup fails, exit with an error message.
9406 * Attempts to recover here are futile. [HGM] Well, we try anyway
9408 if ((StrStr(message, "unknown host") != NULL)
9409 || (StrStr(message, "No remote directory") != NULL)
9410 || (StrStr(message, "not found") != NULL)
9411 || (StrStr(message, "No such file") != NULL)
9412 || (StrStr(message, "can't alloc") != NULL)
9413 || (StrStr(message, "Permission denied") != NULL)) {
9415 cps->maybeThinking = FALSE;
9416 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9417 _(cps->which), cps->program, cps->host, message);
9418 RemoveInputSource(cps->isr);
9419 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9420 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9421 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9427 * Look for hint output
9429 if (sscanf(message, "Hint: %s", buf1) == 1) {
9430 if (cps == &first && hintRequested) {
9431 hintRequested = FALSE;
9432 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9433 &fromX, &fromY, &toX, &toY, &promoChar)) {
9434 (void) CoordsToAlgebraic(boards[forwardMostMove],
9435 PosFlags(forwardMostMove),
9436 fromY, fromX, toY, toX, promoChar, buf1);
9437 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9438 DisplayInformation(buf2);
9440 /* Hint move could not be parsed!? */
9441 snprintf(buf2, sizeof(buf2),
9442 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9443 buf1, _(cps->which));
9444 DisplayError(buf2, 0);
9447 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9453 * Ignore other messages if game is not in progress
9455 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9456 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9459 * look for win, lose, draw, or draw offer
9461 if (strncmp(message, "1-0", 3) == 0) {
9462 char *p, *q, *r = "";
9463 p = strchr(message, '{');
9471 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9473 } else if (strncmp(message, "0-1", 3) == 0) {
9474 char *p, *q, *r = "";
9475 p = strchr(message, '{');
9483 /* Kludge for Arasan 4.1 bug */
9484 if (strcmp(r, "Black resigns") == 0) {
9485 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9488 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9490 } else if (strncmp(message, "1/2", 3) == 0) {
9491 char *p, *q, *r = "";
9492 p = strchr(message, '{');
9501 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9504 } else if (strncmp(message, "White resign", 12) == 0) {
9505 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9507 } else if (strncmp(message, "Black resign", 12) == 0) {
9508 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9510 } else if (strncmp(message, "White matches", 13) == 0 ||
9511 strncmp(message, "Black matches", 13) == 0 ) {
9512 /* [HGM] ignore GNUShogi noises */
9514 } else if (strncmp(message, "White", 5) == 0 &&
9515 message[5] != '(' &&
9516 StrStr(message, "Black") == NULL) {
9517 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9519 } else if (strncmp(message, "Black", 5) == 0 &&
9520 message[5] != '(') {
9521 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9523 } else if (strcmp(message, "resign") == 0 ||
9524 strcmp(message, "computer resigns") == 0) {
9526 case MachinePlaysBlack:
9527 case IcsPlayingBlack:
9528 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9530 case MachinePlaysWhite:
9531 case IcsPlayingWhite:
9532 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9534 case TwoMachinesPlay:
9535 if (cps->twoMachinesColor[0] == 'w')
9536 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9538 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9545 } else if (strncmp(message, "opponent mates", 14) == 0) {
9547 case MachinePlaysBlack:
9548 case IcsPlayingBlack:
9549 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9551 case MachinePlaysWhite:
9552 case IcsPlayingWhite:
9553 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9555 case TwoMachinesPlay:
9556 if (cps->twoMachinesColor[0] == 'w')
9557 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9559 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9566 } else if (strncmp(message, "computer mates", 14) == 0) {
9568 case MachinePlaysBlack:
9569 case IcsPlayingBlack:
9570 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9572 case MachinePlaysWhite:
9573 case IcsPlayingWhite:
9574 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9576 case TwoMachinesPlay:
9577 if (cps->twoMachinesColor[0] == 'w')
9578 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9580 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9587 } else if (strncmp(message, "checkmate", 9) == 0) {
9588 if (WhiteOnMove(forwardMostMove)) {
9589 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9591 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9594 } else if (strstr(message, "Draw") != NULL ||
9595 strstr(message, "game is a draw") != NULL) {
9596 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9598 } else if (strstr(message, "offer") != NULL &&
9599 strstr(message, "draw") != NULL) {
9601 if (appData.zippyPlay && first.initDone) {
9602 /* Relay offer to ICS */
9603 SendToICS(ics_prefix);
9604 SendToICS("draw\n");
9607 cps->offeredDraw = 2; /* valid until this engine moves twice */
9608 if (gameMode == TwoMachinesPlay) {
9609 if (cps->other->offeredDraw) {
9610 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9611 /* [HGM] in two-machine mode we delay relaying draw offer */
9612 /* until after we also have move, to see if it is really claim */
9614 } else if (gameMode == MachinePlaysWhite ||
9615 gameMode == MachinePlaysBlack) {
9616 if (userOfferedDraw) {
9617 DisplayInformation(_("Machine accepts your draw offer"));
9618 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9620 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9627 * Look for thinking output
9629 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9630 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9632 int plylev, mvleft, mvtot, curscore, time;
9633 char mvname[MOVE_LEN];
9637 int prefixHint = FALSE;
9638 mvname[0] = NULLCHAR;
9641 case MachinePlaysBlack:
9642 case IcsPlayingBlack:
9643 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9645 case MachinePlaysWhite:
9646 case IcsPlayingWhite:
9647 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9652 case IcsObserving: /* [DM] icsEngineAnalyze */
9653 if (!appData.icsEngineAnalyze) ignore = TRUE;
9655 case TwoMachinesPlay:
9656 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9666 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9668 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9669 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9670 char score_buf[MSG_SIZ];
9672 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9673 nodes += u64Const(0x100000000);
9675 if (plyext != ' ' && plyext != '\t') {
9679 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9680 if( cps->scoreIsAbsolute &&
9681 ( gameMode == MachinePlaysBlack ||
9682 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9683 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9684 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9685 !WhiteOnMove(currentMove)
9688 curscore = -curscore;
9691 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9693 if(*bestMove) { // rememer time best EPD move was first found
9694 int ff1, tf1, fr1, tr1, ff2, tf2, fr2, tr2; char pp1, pp2;
9696 int ok = ParseOneMove(bestMove, forwardMostMove, &mt, &ff1, &fr1, &tf1, &tr1, &pp1);
9697 ok &= ParseOneMove(pv, forwardMostMove, &mt, &ff2, &fr2, &tf2, &tr2, &pp2);
9698 solvingTime = (ok && ff1==ff2 && fr1==fr2 && tf1==tf2 && tr1==tr2 && pp1==pp2 ? time : -1);
9701 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9704 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9705 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9706 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9707 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9708 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9709 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9713 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9714 DisplayError(_("failed writing PV"), 0);
9717 tempStats.depth = plylev;
9718 tempStats.nodes = nodes;
9719 tempStats.time = time;
9720 tempStats.score = curscore;
9721 tempStats.got_only_move = 0;
9723 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9726 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9727 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9728 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9729 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9730 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9731 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9732 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9733 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9736 /* Buffer overflow protection */
9737 if (pv[0] != NULLCHAR) {
9738 if (strlen(pv) >= sizeof(tempStats.movelist)
9739 && appData.debugMode) {
9741 "PV is too long; using the first %u bytes.\n",
9742 (unsigned) sizeof(tempStats.movelist) - 1);
9745 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9747 sprintf(tempStats.movelist, " no PV\n");
9750 if (tempStats.seen_stat) {
9751 tempStats.ok_to_send = 1;
9754 if (strchr(tempStats.movelist, '(') != NULL) {
9755 tempStats.line_is_book = 1;
9756 tempStats.nr_moves = 0;
9757 tempStats.moves_left = 0;
9759 tempStats.line_is_book = 0;
9762 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9763 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9765 SendProgramStatsToFrontend( cps, &tempStats );
9768 [AS] Protect the thinkOutput buffer from overflow... this
9769 is only useful if buf1 hasn't overflowed first!
9771 if((gameMode == AnalyzeMode && appData.whitePOV || appData.scoreWhite) && !WhiteOnMove(forwardMostMove)) curscore *= -1;
9772 if(curscore >= MATE_SCORE)
9773 snprintf(score_buf, MSG_SIZ, "#%d", curscore - MATE_SCORE);
9774 else if(curscore <= -MATE_SCORE)
9775 snprintf(score_buf, MSG_SIZ, "#%d", curscore + MATE_SCORE);
9777 snprintf(score_buf, MSG_SIZ, "%+.2f", ((double) curscore) / 100.0);
9778 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%s %s%s",
9780 (gameMode == TwoMachinesPlay ?
9781 ToUpper(cps->twoMachinesColor[0]) : ' '),
9783 prefixHint ? lastHint : "",
9784 prefixHint ? " " : "" );
9786 if( buf1[0] != NULLCHAR ) {
9787 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9789 if( strlen(pv) > max_len ) {
9790 if( appData.debugMode) {
9791 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9793 pv[max_len+1] = '\0';
9796 strcat( thinkOutput, pv);
9799 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9800 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9801 DisplayMove(currentMove - 1);
9805 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9806 /* crafty (9.25+) says "(only move) <move>"
9807 * if there is only 1 legal move
9809 sscanf(p, "(only move) %s", buf1);
9810 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9811 sprintf(programStats.movelist, "%s (only move)", buf1);
9812 programStats.depth = 1;
9813 programStats.nr_moves = 1;
9814 programStats.moves_left = 1;
9815 programStats.nodes = 1;
9816 programStats.time = 1;
9817 programStats.got_only_move = 1;
9819 /* Not really, but we also use this member to
9820 mean "line isn't going to change" (Crafty
9821 isn't searching, so stats won't change) */
9822 programStats.line_is_book = 1;
9824 SendProgramStatsToFrontend( cps, &programStats );
9826 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9827 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9828 DisplayMove(currentMove - 1);
9831 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9832 &time, &nodes, &plylev, &mvleft,
9833 &mvtot, mvname) >= 5) {
9834 /* The stat01: line is from Crafty (9.29+) in response
9835 to the "." command */
9836 programStats.seen_stat = 1;
9837 cps->maybeThinking = TRUE;
9839 if (programStats.got_only_move || !appData.periodicUpdates)
9842 programStats.depth = plylev;
9843 programStats.time = time;
9844 programStats.nodes = nodes;
9845 programStats.moves_left = mvleft;
9846 programStats.nr_moves = mvtot;
9847 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9848 programStats.ok_to_send = 1;
9849 programStats.movelist[0] = '\0';
9851 SendProgramStatsToFrontend( cps, &programStats );
9855 } else if (strncmp(message,"++",2) == 0) {
9856 /* Crafty 9.29+ outputs this */
9857 programStats.got_fail = 2;
9860 } else if (strncmp(message,"--",2) == 0) {
9861 /* Crafty 9.29+ outputs this */
9862 programStats.got_fail = 1;
9865 } else if (thinkOutput[0] != NULLCHAR &&
9866 strncmp(message, " ", 4) == 0) {
9867 unsigned message_len;
9870 while (*p && *p == ' ') p++;
9872 message_len = strlen( p );
9874 /* [AS] Avoid buffer overflow */
9875 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9876 strcat(thinkOutput, " ");
9877 strcat(thinkOutput, p);
9880 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9881 strcat(programStats.movelist, " ");
9882 strcat(programStats.movelist, p);
9885 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9886 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9887 DisplayMove(currentMove - 1);
9895 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9896 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9898 ChessProgramStats cpstats;
9900 if (plyext != ' ' && plyext != '\t') {
9904 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9905 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9906 curscore = -curscore;
9909 cpstats.depth = plylev;
9910 cpstats.nodes = nodes;
9911 cpstats.time = time;
9912 cpstats.score = curscore;
9913 cpstats.got_only_move = 0;
9914 cpstats.movelist[0] = '\0';
9916 if (buf1[0] != NULLCHAR) {
9917 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9920 cpstats.ok_to_send = 0;
9921 cpstats.line_is_book = 0;
9922 cpstats.nr_moves = 0;
9923 cpstats.moves_left = 0;
9925 SendProgramStatsToFrontend( cps, &cpstats );
9932 /* Parse a game score from the character string "game", and
9933 record it as the history of the current game. The game
9934 score is NOT assumed to start from the standard position.
9935 The display is not updated in any way.
9938 ParseGameHistory (char *game)
9941 int fromX, fromY, toX, toY, boardIndex;
9946 if (appData.debugMode)
9947 fprintf(debugFP, "Parsing game history: %s\n", game);
9949 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9950 gameInfo.site = StrSave(appData.icsHost);
9951 gameInfo.date = PGNDate();
9952 gameInfo.round = StrSave("-");
9954 /* Parse out names of players */
9955 while (*game == ' ') game++;
9957 while (*game != ' ') *p++ = *game++;
9959 gameInfo.white = StrSave(buf);
9960 while (*game == ' ') game++;
9962 while (*game != ' ' && *game != '\n') *p++ = *game++;
9964 gameInfo.black = StrSave(buf);
9967 boardIndex = blackPlaysFirst ? 1 : 0;
9970 yyboardindex = boardIndex;
9971 moveType = (ChessMove) Myylex();
9973 case IllegalMove: /* maybe suicide chess, etc. */
9974 if (appData.debugMode) {
9975 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9976 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9977 setbuf(debugFP, NULL);
9979 case WhitePromotion:
9980 case BlackPromotion:
9981 case WhiteNonPromotion:
9982 case BlackNonPromotion:
9985 case WhiteCapturesEnPassant:
9986 case BlackCapturesEnPassant:
9987 case WhiteKingSideCastle:
9988 case WhiteQueenSideCastle:
9989 case BlackKingSideCastle:
9990 case BlackQueenSideCastle:
9991 case WhiteKingSideCastleWild:
9992 case WhiteQueenSideCastleWild:
9993 case BlackKingSideCastleWild:
9994 case BlackQueenSideCastleWild:
9996 case WhiteHSideCastleFR:
9997 case WhiteASideCastleFR:
9998 case BlackHSideCastleFR:
9999 case BlackASideCastleFR:
10001 fromX = currentMoveString[0] - AAA;
10002 fromY = currentMoveString[1] - ONE;
10003 toX = currentMoveString[2] - AAA;
10004 toY = currentMoveString[3] - ONE;
10005 promoChar = currentMoveString[4];
10009 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
10010 fromX = moveType == WhiteDrop ?
10011 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10012 (int) CharToPiece(ToLower(currentMoveString[0]));
10014 toX = currentMoveString[2] - AAA;
10015 toY = currentMoveString[3] - ONE;
10016 promoChar = NULLCHAR;
10018 case AmbiguousMove:
10020 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
10021 if (appData.debugMode) {
10022 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
10023 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10024 setbuf(debugFP, NULL);
10026 DisplayError(buf, 0);
10028 case ImpossibleMove:
10030 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
10031 if (appData.debugMode) {
10032 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
10033 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
10034 setbuf(debugFP, NULL);
10036 DisplayError(buf, 0);
10039 if (boardIndex < backwardMostMove) {
10040 /* Oops, gap. How did that happen? */
10041 DisplayError(_("Gap in move list"), 0);
10044 backwardMostMove = blackPlaysFirst ? 1 : 0;
10045 if (boardIndex > forwardMostMove) {
10046 forwardMostMove = boardIndex;
10050 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
10051 strcat(parseList[boardIndex-1], " ");
10052 strcat(parseList[boardIndex-1], yy_text);
10064 case GameUnfinished:
10065 if (gameMode == IcsExamining) {
10066 if (boardIndex < backwardMostMove) {
10067 /* Oops, gap. How did that happen? */
10070 backwardMostMove = blackPlaysFirst ? 1 : 0;
10073 gameInfo.result = moveType;
10074 p = strchr(yy_text, '{');
10075 if (p == NULL) p = strchr(yy_text, '(');
10078 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10080 q = strchr(p, *p == '{' ? '}' : ')');
10081 if (q != NULL) *q = NULLCHAR;
10084 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10085 gameInfo.resultDetails = StrSave(p);
10088 if (boardIndex >= forwardMostMove &&
10089 !(gameMode == IcsObserving && ics_gamenum == -1)) {
10090 backwardMostMove = blackPlaysFirst ? 1 : 0;
10093 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
10094 fromY, fromX, toY, toX, promoChar,
10095 parseList[boardIndex]);
10096 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
10097 /* currentMoveString is set as a side-effect of yylex */
10098 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
10099 strcat(moveList[boardIndex], "\n");
10101 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
10102 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
10108 if(!IS_SHOGI(gameInfo.variant))
10109 strcat(parseList[boardIndex - 1], "+");
10113 strcat(parseList[boardIndex - 1], "#");
10120 /* Apply a move to the given board */
10122 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
10124 ChessSquare captured = board[toY][toX], piece, pawn, king, killed, killed2; int p, rookX, oldEP, epRank, berolina = 0;
10125 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
10127 /* [HGM] compute & store e.p. status and castling rights for new position */
10128 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
10130 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
10131 oldEP = (signed char)board[EP_FILE]; epRank = board[EP_RANK];
10132 board[EP_STATUS] = EP_NONE;
10133 board[EP_FILE] = board[EP_RANK] = 100;
10135 if (fromY == DROP_RANK) {
10136 /* must be first */
10137 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
10138 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
10141 piece = board[toY][toX] = (ChessSquare) fromX;
10143 // ChessSquare victim;
10146 if( killX >= 0 && killY >= 0 ) { // [HGM] lion: Lion trampled over something
10147 // victim = board[killY][killX],
10148 killed = board[killY][killX],
10149 board[killY][killX] = EmptySquare,
10150 board[EP_STATUS] = EP_CAPTURE;
10151 if( kill2X >= 0 && kill2Y >= 0)
10152 killed2 = board[kill2Y][kill2X], board[kill2Y][kill2X] = EmptySquare;
10155 if( board[toY][toX] != EmptySquare ) {
10156 board[EP_STATUS] = EP_CAPTURE;
10157 if( (fromX != toX || fromY != toY) && // not igui!
10158 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
10159 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
10160 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
10164 pawn = board[fromY][fromX];
10165 if( pawn == WhiteLance || pawn == BlackLance ) {
10166 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu ) {
10167 if(gameInfo.variant == VariantSpartan) board[EP_STATUS] = EP_PAWN_MOVE; // in Spartan no e.p. rights must be set
10168 else pawn += WhitePawn - WhiteLance; // Lance is Pawn-like in most variants, so let Pawn code treat it by this kludge
10171 if( pawn == WhitePawn ) {
10172 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
10173 board[EP_STATUS] = EP_PAWN_MOVE;
10174 if( toY-fromY>=2) {
10175 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = toY - 1 | 128*(toY - fromY > 2);
10176 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
10177 gameInfo.variant != VariantBerolina || toX < fromX)
10178 board[EP_STATUS] = toX | berolina;
10179 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
10180 gameInfo.variant != VariantBerolina || toX > fromX)
10181 board[EP_STATUS] = toX;
10184 if( pawn == BlackPawn ) {
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*(fromY - toY > 2);
10189 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
10190 gameInfo.variant != VariantBerolina || toX < fromX)
10191 board[EP_STATUS] = toX | berolina;
10192 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
10193 gameInfo.variant != VariantBerolina || toX > fromX)
10194 board[EP_STATUS] = toX;
10198 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
10199 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
10200 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
10201 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
10203 for(i=0; i<nrCastlingRights; i++) {
10204 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
10205 board[CASTLING][i] == toX && castlingRank[i] == toY
10206 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
10209 if(gameInfo.variant == VariantSChess) { // update virginity
10210 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
10211 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
10212 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
10213 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
10216 if (fromX == toX && fromY == toY) return;
10218 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
10219 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
10220 if(gameInfo.variant == VariantKnightmate)
10221 king += (int) WhiteUnicorn - (int) WhiteKing;
10223 if(pieceDesc[piece] && killX >= 0 && strchr(pieceDesc[piece], 'O') // Betza castling-enabled
10224 && (piece < BlackPawn ? killed < BlackPawn : killed >= BlackPawn)) { // and tramples own
10225 board[toY][toX] = piece; board[fromY][fromX] = EmptySquare;
10226 board[toY][toX + (killX < fromX ? 1 : -1)] = killed;
10227 board[EP_STATUS] = EP_NONE; // capture was fake!
10229 if(nrCastlingRights == 0 && board[toY][toX] < EmptySquare && (piece < BlackPawn) == (board[toY][toX] < BlackPawn)) {
10230 board[fromY][fromX] = board[toY][toX]; // capture own will lead to swapping
10231 board[toY][toX] = piece;
10232 board[EP_STATUS] = EP_NONE; // capture was fake!
10234 /* Code added by Tord: */
10235 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
10236 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
10237 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
10238 board[EP_STATUS] = EP_NONE; // capture was fake!
10239 board[fromY][fromX] = EmptySquare;
10240 board[toY][toX] = EmptySquare;
10241 if((toX > fromX) != (piece == WhiteRook)) {
10242 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
10244 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
10246 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
10247 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
10248 board[EP_STATUS] = EP_NONE;
10249 board[fromY][fromX] = EmptySquare;
10250 board[toY][toX] = EmptySquare;
10251 if((toX > fromX) != (piece == BlackRook)) {
10252 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
10254 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
10256 /* End of code added by Tord */
10258 } else if (pieceDesc[piece] && piece == king && !strchr(pieceDesc[piece], 'O') && strchr(pieceDesc[piece], 'i')) {
10259 board[fromY][fromX] = EmptySquare; // never castle if King has virgin moves defined on it other than castling
10260 board[toY][toX] = piece;
10261 } else if (board[fromY][fromX] == king
10262 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10263 && toY == fromY && toX > fromX+1) {
10264 for(rookX=fromX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT-1; rookX++); // castle with nearest piece
10265 board[fromY][toX-1] = board[fromY][rookX];
10266 board[fromY][rookX] = EmptySquare;
10267 board[fromY][fromX] = EmptySquare;
10268 board[toY][toX] = king;
10269 } else if (board[fromY][fromX] == king
10270 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10271 && toY == fromY && toX < fromX-1) {
10272 for(rookX=fromX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--); // castle with nearest piece
10273 board[fromY][toX+1] = board[fromY][rookX];
10274 board[fromY][rookX] = EmptySquare;
10275 board[fromY][fromX] = EmptySquare;
10276 board[toY][toX] = king;
10277 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10278 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10279 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10281 /* white pawn promotion */
10282 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10283 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10284 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10285 board[fromY][fromX] = EmptySquare;
10286 } else if ((fromY >= BOARD_HEIGHT>>1)
10287 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10289 && gameInfo.variant != VariantXiangqi
10290 && gameInfo.variant != VariantBerolina
10291 && (pawn == WhitePawn)
10292 && (board[toY][toX] == EmptySquare)) {
10293 board[fromY][fromX] = EmptySquare;
10294 board[toY][toX] = piece;
10295 if(toY == epRank - 128 + 1)
10296 captured = board[toY - 2][toX], board[toY - 2][toX] = EmptySquare;
10298 captured = board[toY - 1][toX], board[toY - 1][toX] = EmptySquare;
10299 } else if ((fromY == BOARD_HEIGHT-4)
10301 && gameInfo.variant == VariantBerolina
10302 && (board[fromY][fromX] == WhitePawn)
10303 && (board[toY][toX] == EmptySquare)) {
10304 board[fromY][fromX] = EmptySquare;
10305 board[toY][toX] = WhitePawn;
10306 if(oldEP & EP_BEROLIN_A) {
10307 captured = board[fromY][fromX-1];
10308 board[fromY][fromX-1] = EmptySquare;
10309 }else{ captured = board[fromY][fromX+1];
10310 board[fromY][fromX+1] = EmptySquare;
10312 } else if (board[fromY][fromX] == king
10313 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10314 && toY == fromY && toX > fromX+1) {
10315 for(rookX=toX+1; board[toY][rookX] == EmptySquare && rookX < BOARD_RGHT - 1; rookX++);
10316 board[fromY][toX-1] = board[fromY][rookX];
10317 board[fromY][rookX] = EmptySquare;
10318 board[fromY][fromX] = EmptySquare;
10319 board[toY][toX] = king;
10320 } else if (board[fromY][fromX] == king
10321 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10322 && toY == fromY && toX < fromX-1) {
10323 for(rookX=toX-1; board[toY][rookX] == EmptySquare && rookX > 0; rookX--);
10324 board[fromY][toX+1] = board[fromY][rookX];
10325 board[fromY][rookX] = EmptySquare;
10326 board[fromY][fromX] = EmptySquare;
10327 board[toY][toX] = king;
10328 } else if (fromY == 7 && fromX == 3
10329 && board[fromY][fromX] == BlackKing
10330 && toY == 7 && toX == 5) {
10331 board[fromY][fromX] = EmptySquare;
10332 board[toY][toX] = BlackKing;
10333 board[fromY][7] = EmptySquare;
10334 board[toY][4] = BlackRook;
10335 } else if (fromY == 7 && fromX == 3
10336 && board[fromY][fromX] == BlackKing
10337 && toY == 7 && toX == 1) {
10338 board[fromY][fromX] = EmptySquare;
10339 board[toY][toX] = BlackKing;
10340 board[fromY][0] = EmptySquare;
10341 board[toY][2] = BlackRook;
10342 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10343 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10344 && toY < promoRank && promoChar
10346 /* black pawn promotion */
10347 board[toY][toX] = CharToPiece(ToLower(promoChar));
10348 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED(board[toY][toX])) == '~') /* [HGM] use shadow piece (if available) */
10349 board[toY][toX] = (ChessSquare) (PROMOTED(board[toY][toX]));
10350 board[fromY][fromX] = EmptySquare;
10351 } else if ((fromY < BOARD_HEIGHT>>1)
10352 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10354 && gameInfo.variant != VariantXiangqi
10355 && gameInfo.variant != VariantBerolina
10356 && (pawn == BlackPawn)
10357 && (board[toY][toX] == EmptySquare)) {
10358 board[fromY][fromX] = EmptySquare;
10359 board[toY][toX] = piece;
10360 if(toY == epRank - 128 - 1)
10361 captured = board[toY + 2][toX], board[toY + 2][toX] = EmptySquare;
10363 captured = board[toY + 1][toX], board[toY + 1][toX] = EmptySquare;
10364 } else if ((fromY == 3)
10366 && gameInfo.variant == VariantBerolina
10367 && (board[fromY][fromX] == BlackPawn)
10368 && (board[toY][toX] == EmptySquare)) {
10369 board[fromY][fromX] = EmptySquare;
10370 board[toY][toX] = BlackPawn;
10371 if(oldEP & EP_BEROLIN_A) {
10372 captured = board[fromY][fromX-1];
10373 board[fromY][fromX-1] = EmptySquare;
10374 }else{ captured = board[fromY][fromX+1];
10375 board[fromY][fromX+1] = EmptySquare;
10378 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10379 board[fromY][fromX] = EmptySquare;
10380 board[toY][toX] = piece;
10384 if (gameInfo.holdingsWidth != 0) {
10386 /* !!A lot more code needs to be written to support holdings */
10387 /* [HGM] OK, so I have written it. Holdings are stored in the */
10388 /* penultimate board files, so they are automaticlly stored */
10389 /* in the game history. */
10390 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10391 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10392 /* Delete from holdings, by decreasing count */
10393 /* and erasing image if necessary */
10394 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10395 if(p < (int) BlackPawn) { /* white drop */
10396 p -= (int)WhitePawn;
10397 p = PieceToNumber((ChessSquare)p);
10398 if(p >= gameInfo.holdingsSize) p = 0;
10399 if(--board[p][BOARD_WIDTH-2] <= 0)
10400 board[p][BOARD_WIDTH-1] = EmptySquare;
10401 if((int)board[p][BOARD_WIDTH-2] < 0)
10402 board[p][BOARD_WIDTH-2] = 0;
10403 } else { /* black drop */
10404 p -= (int)BlackPawn;
10405 p = PieceToNumber((ChessSquare)p);
10406 if(p >= gameInfo.holdingsSize) p = 0;
10407 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10408 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10409 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10410 board[BOARD_HEIGHT-1-p][1] = 0;
10413 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10414 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10415 /* [HGM] holdings: Add to holdings, if holdings exist */
10416 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10417 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10418 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10420 p = (int) captured;
10421 if (p >= (int) BlackPawn) {
10422 p -= (int)BlackPawn;
10423 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10424 /* Restore shogi-promoted piece to its original first */
10425 captured = (ChessSquare) (DEMOTED(captured));
10428 p = PieceToNumber((ChessSquare)p);
10429 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10430 board[p][BOARD_WIDTH-2]++;
10431 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10433 p -= (int)WhitePawn;
10434 if(DEMOTED(p) >= 0 && PieceToChar(p) == '+') {
10435 captured = (ChessSquare) (DEMOTED(captured));
10438 p = PieceToNumber((ChessSquare)p);
10439 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10440 board[BOARD_HEIGHT-1-p][1]++;
10441 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10444 } else if (gameInfo.variant == VariantAtomic) {
10445 if (captured != EmptySquare) {
10447 for (y = toY-1; y <= toY+1; y++) {
10448 for (x = toX-1; x <= toX+1; x++) {
10449 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10450 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10451 board[y][x] = EmptySquare;
10455 board[toY][toX] = EmptySquare;
10459 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10460 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10462 if(promoChar == '+') {
10463 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10464 board[toY][toX] = (ChessSquare) (CHUPROMOTED(piece));
10465 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10466 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10467 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10468 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10469 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10470 && pieceToChar[PROMOTED(newPiece)] == '~') newPiece = PROMOTED(newPiece);// but promoted version available
10471 board[toY][toX] = newPiece;
10473 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10474 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10475 // [HGM] superchess: take promotion piece out of holdings
10476 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10477 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10478 if(!--board[k][BOARD_WIDTH-2])
10479 board[k][BOARD_WIDTH-1] = EmptySquare;
10481 if(!--board[BOARD_HEIGHT-1-k][1])
10482 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10487 /* Updates forwardMostMove */
10489 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10491 int x = toX, y = toY;
10492 char *s = parseList[forwardMostMove];
10493 ChessSquare p = boards[forwardMostMove][toY][toX];
10494 // forwardMostMove++; // [HGM] bare: moved downstream
10496 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10497 (void) CoordsToAlgebraic(boards[forwardMostMove],
10498 PosFlags(forwardMostMove),
10499 fromY, fromX, y, x, (killX < 0)*promoChar,
10501 if(killX >= 0 && killY >= 0)
10502 sprintf(s + strlen(s), "%c%c%d%c", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0', promoChar);
10504 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10505 int timeLeft; static int lastLoadFlag=0; int king, piece;
10506 piece = boards[forwardMostMove][fromY][fromX];
10507 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10508 if(gameInfo.variant == VariantKnightmate)
10509 king += (int) WhiteUnicorn - (int) WhiteKing;
10510 if(forwardMostMove == 0) {
10511 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10512 fprintf(serverMoves, "%s;", UserName());
10513 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10514 fprintf(serverMoves, "%s;", second.tidy);
10515 fprintf(serverMoves, "%s;", first.tidy);
10516 if(gameMode == MachinePlaysWhite)
10517 fprintf(serverMoves, "%s;", UserName());
10518 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10519 fprintf(serverMoves, "%s;", second.tidy);
10520 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10521 lastLoadFlag = loadFlag;
10523 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10524 // print castling suffix
10525 if( toY == fromY && piece == king ) {
10527 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10529 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10532 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10533 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10534 boards[forwardMostMove][toY][toX] == EmptySquare
10535 && fromX != toX && fromY != toY)
10536 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10537 // promotion suffix
10538 if(promoChar != NULLCHAR) {
10539 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10540 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10541 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10542 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10545 char buf[MOVE_LEN*2], *p; int len;
10546 fprintf(serverMoves, "/%d/%d",
10547 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10548 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10549 else timeLeft = blackTimeRemaining/1000;
10550 fprintf(serverMoves, "/%d", timeLeft);
10551 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10552 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10553 if(p = strchr(buf, '=')) *p = NULLCHAR;
10554 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10555 fprintf(serverMoves, "/%s", buf);
10557 fflush(serverMoves);
10560 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10561 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10564 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10565 if (commentList[forwardMostMove+1] != NULL) {
10566 free(commentList[forwardMostMove+1]);
10567 commentList[forwardMostMove+1] = NULL;
10569 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10570 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10571 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10572 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10573 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10574 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10575 adjustedClock = FALSE;
10576 gameInfo.result = GameUnfinished;
10577 if (gameInfo.resultDetails != NULL) {
10578 free(gameInfo.resultDetails);
10579 gameInfo.resultDetails = NULL;
10581 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10582 moveList[forwardMostMove - 1]);
10583 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10589 if(!IS_SHOGI(gameInfo.variant))
10590 strcat(parseList[forwardMostMove - 1], "+");
10594 strcat(parseList[forwardMostMove - 1], "#");
10599 /* Updates currentMove if not pausing */
10601 ShowMove (int fromX, int fromY, int toX, int toY)
10603 int instant = (gameMode == PlayFromGameFile) ?
10604 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10605 if(appData.noGUI) return;
10606 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10608 if (forwardMostMove == currentMove + 1) {
10609 AnimateMove(boards[forwardMostMove - 1],
10610 fromX, fromY, toX, toY);
10613 currentMove = forwardMostMove;
10616 killX = killY = -1; // [HGM] lion: used up
10618 if (instant) return;
10620 DisplayMove(currentMove - 1);
10621 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10622 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10623 SetHighlights(fromX, fromY, toX, toY);
10626 DrawPosition(FALSE, boards[currentMove]);
10627 DisplayBothClocks();
10628 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10632 SendEgtPath (ChessProgramState *cps)
10633 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10634 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10636 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10639 char c, *q = name+1, *r, *s;
10641 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10642 while(*p && *p != ',') *q++ = *p++;
10643 *q++ = ':'; *q = 0;
10644 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10645 strcmp(name, ",nalimov:") == 0 ) {
10646 // take nalimov path from the menu-changeable option first, if it is defined
10647 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10648 SendToProgram(buf,cps); // send egtbpath command for nalimov
10650 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10651 (s = StrStr(appData.egtFormats, name)) != NULL) {
10652 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10653 s = r = StrStr(s, ":") + 1; // beginning of path info
10654 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10655 c = *r; *r = 0; // temporarily null-terminate path info
10656 *--q = 0; // strip of trailig ':' from name
10657 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10659 SendToProgram(buf,cps); // send egtbpath command for this format
10661 if(*p == ',') p++; // read away comma to position for next format name
10666 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10668 int width = 8, height = 8, holdings = 0; // most common sizes
10669 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10670 // correct the deviations default for each variant
10671 if( v == VariantXiangqi ) width = 9, height = 10;
10672 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10673 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10674 if( v == VariantCapablanca || v == VariantCapaRandom ||
10675 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10677 if( v == VariantCourier ) width = 12;
10678 if( v == VariantSuper ) holdings = 8;
10679 if( v == VariantGreat ) width = 10, holdings = 8;
10680 if( v == VariantSChess ) holdings = 7;
10681 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10682 if( v == VariantChuChess) width = 10, height = 10;
10683 if( v == VariantChu ) width = 12, height = 12;
10684 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10685 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10686 holdingsSize >= 0 && holdingsSize != holdings;
10689 char variantError[MSG_SIZ];
10692 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10693 { // returns error message (recognizable by upper-case) if engine does not support the variant
10694 char *p, *variant = VariantName(v);
10695 static char b[MSG_SIZ];
10696 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10697 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10698 holdingsSize, variant); // cook up sized variant name
10699 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10700 if(StrStr(list, b) == NULL) {
10701 // specific sized variant not known, check if general sizing allowed
10702 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10703 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10704 boardWidth, boardHeight, holdingsSize, engine);
10707 /* [HGM] here we really should compare with the maximum supported board size */
10709 } else snprintf(b, MSG_SIZ,"%s", variant);
10710 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10711 p = StrStr(list, b);
10712 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10714 // occurs not at all in list, or only as sub-string
10715 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10716 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10717 int l = strlen(variantError);
10719 while(p != list && p[-1] != ',') p--;
10720 q = strchr(p, ',');
10721 if(q) *q = NULLCHAR;
10722 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10731 InitChessProgram (ChessProgramState *cps, int setup)
10732 /* setup needed to setup FRC opening position */
10734 char buf[MSG_SIZ], *b;
10735 if (appData.noChessProgram) return;
10736 hintRequested = FALSE;
10737 bookRequested = FALSE;
10739 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10740 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10741 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10742 if(cps->memSize) { /* [HGM] memory */
10743 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10744 SendToProgram(buf, cps);
10746 SendEgtPath(cps); /* [HGM] EGT */
10747 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10748 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10749 SendToProgram(buf, cps);
10752 setboardSpoiledMachineBlack = FALSE;
10753 SendToProgram(cps->initString, cps);
10754 if (gameInfo.variant != VariantNormal &&
10755 gameInfo.variant != VariantLoadable
10756 /* [HGM] also send variant if board size non-standard */
10757 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10759 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10760 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10763 char c, *q = cps->variants, *p = strchr(q, ',');
10764 if(p) *p = NULLCHAR;
10765 v = StringToVariant(q);
10766 DisplayError(variantError, 0);
10767 if(v != VariantUnknown && cps == &first) {
10769 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
10770 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
10771 ASSIGN(appData.variant, q);
10772 Reset(TRUE, FALSE);
10778 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10779 SendToProgram(buf, cps);
10781 currentlyInitializedVariant = gameInfo.variant;
10783 /* [HGM] send opening position in FRC to first engine */
10785 SendToProgram("force\n", cps);
10787 /* engine is now in force mode! Set flag to wake it up after first move. */
10788 setboardSpoiledMachineBlack = 1;
10791 if (cps->sendICS) {
10792 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10793 SendToProgram(buf, cps);
10795 cps->maybeThinking = FALSE;
10796 cps->offeredDraw = 0;
10797 if (!appData.icsActive) {
10798 SendTimeControl(cps, movesPerSession, timeControl,
10799 timeIncrement, appData.searchDepth,
10802 if (appData.showThinking
10803 // [HGM] thinking: four options require thinking output to be sent
10804 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10806 SendToProgram("post\n", cps);
10808 SendToProgram("hard\n", cps);
10809 if (!appData.ponderNextMove) {
10810 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10811 it without being sure what state we are in first. "hard"
10812 is not a toggle, so that one is OK.
10814 SendToProgram("easy\n", cps);
10816 if (cps->usePing) {
10817 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10818 SendToProgram(buf, cps);
10820 cps->initDone = TRUE;
10821 ClearEngineOutputPane(cps == &second);
10826 ResendOptions (ChessProgramState *cps)
10827 { // send the stored value of the options
10830 Option *opt = cps->option;
10831 for(i=0; i<cps->nrOptions; i++, opt++) {
10832 switch(opt->type) {
10836 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10839 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10842 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10848 SendToProgram(buf, cps);
10853 StartChessProgram (ChessProgramState *cps)
10858 if (appData.noChessProgram) return;
10859 cps->initDone = FALSE;
10861 if (strcmp(cps->host, "localhost") == 0) {
10862 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10863 } else if (*appData.remoteShell == NULLCHAR) {
10864 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10866 if (*appData.remoteUser == NULLCHAR) {
10867 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10870 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10871 cps->host, appData.remoteUser, cps->program);
10873 err = StartChildProcess(buf, "", &cps->pr);
10877 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10878 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10879 if(cps != &first) return;
10880 appData.noChessProgram = TRUE;
10883 // DisplayFatalError(buf, err, 1);
10884 // cps->pr = NoProc;
10885 // cps->isr = NULL;
10889 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10890 if (cps->protocolVersion > 1) {
10891 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10892 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10893 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10894 cps->comboCnt = 0; // and values of combo boxes
10896 SendToProgram(buf, cps);
10897 if(cps->reload) ResendOptions(cps);
10899 SendToProgram("xboard\n", cps);
10904 TwoMachinesEventIfReady P((void))
10906 static int curMess = 0;
10907 if (first.lastPing != first.lastPong) {
10908 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10909 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10912 if (second.lastPing != second.lastPong) {
10913 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10914 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10917 DisplayMessage("", ""); curMess = 0;
10918 TwoMachinesEvent();
10922 MakeName (char *template)
10926 static char buf[MSG_SIZ];
10930 clock = time((time_t *)NULL);
10931 tm = localtime(&clock);
10933 while(*p++ = *template++) if(p[-1] == '%') {
10934 switch(*template++) {
10935 case 0: *p = 0; return buf;
10936 case 'Y': i = tm->tm_year+1900; break;
10937 case 'y': i = tm->tm_year-100; break;
10938 case 'M': i = tm->tm_mon+1; break;
10939 case 'd': i = tm->tm_mday; break;
10940 case 'h': i = tm->tm_hour; break;
10941 case 'm': i = tm->tm_min; break;
10942 case 's': i = tm->tm_sec; break;
10945 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10951 CountPlayers (char *p)
10954 while(p = strchr(p, '\n')) p++, n++; // count participants
10959 WriteTourneyFile (char *results, FILE *f)
10960 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10961 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10962 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10963 // create a file with tournament description
10964 fprintf(f, "-participants {%s}\n", appData.participants);
10965 fprintf(f, "-seedBase %d\n", appData.seedBase);
10966 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10967 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10968 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10969 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10970 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10971 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10972 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10973 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10974 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10975 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10976 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10977 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10978 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10979 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10980 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10981 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10982 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10983 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10984 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10985 fprintf(f, "-smpCores %d\n", appData.smpCores);
10987 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10989 fprintf(f, "-mps %d\n", appData.movesPerSession);
10990 fprintf(f, "-tc %s\n", appData.timeControl);
10991 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10993 fprintf(f, "-results \"%s\"\n", results);
10998 char *command[MAXENGINES], *mnemonic[MAXENGINES];
11001 Substitute (char *participants, int expunge)
11003 int i, changed, changes=0, nPlayers=0;
11004 char *p, *q, *r, buf[MSG_SIZ];
11005 if(participants == NULL) return;
11006 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
11007 r = p = participants; q = appData.participants;
11008 while(*p && *p == *q) {
11009 if(*p == '\n') r = p+1, nPlayers++;
11012 if(*p) { // difference
11013 while(*p && *p++ != '\n');
11014 while(*q && *q++ != '\n');
11015 changed = nPlayers;
11016 changes = 1 + (strcmp(p, q) != 0);
11018 if(changes == 1) { // a single engine mnemonic was changed
11019 q = r; while(*q) nPlayers += (*q++ == '\n');
11020 p = buf; while(*r && (*p = *r++) != '\n') p++;
11022 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11023 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
11024 if(mnemonic[i]) { // The substitute is valid
11026 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
11027 flock(fileno(f), LOCK_EX);
11028 ParseArgsFromFile(f);
11029 fseek(f, 0, SEEK_SET);
11030 FREE(appData.participants); appData.participants = participants;
11031 if(expunge) { // erase results of replaced engine
11032 int len = strlen(appData.results), w, b, dummy;
11033 for(i=0; i<len; i++) {
11034 Pairing(i, nPlayers, &w, &b, &dummy);
11035 if((w == changed || b == changed) && appData.results[i] == '*') {
11036 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
11041 for(i=0; i<len; i++) {
11042 Pairing(i, nPlayers, &w, &b, &dummy);
11043 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
11046 WriteTourneyFile(appData.results, f);
11047 fclose(f); // release lock
11050 } else DisplayError(_("No engine with the name you gave is installed"), 0);
11052 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
11053 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
11054 free(participants);
11059 CheckPlayers (char *participants)
11062 char buf[MSG_SIZ], *p;
11063 NamesToList(firstChessProgramNames, command, mnemonic, "all");
11064 while(p = strchr(participants, '\n')) {
11066 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
11068 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
11070 DisplayError(buf, 0);
11074 participants = p + 1;
11080 CreateTourney (char *name)
11083 if(matchMode && strcmp(name, appData.tourneyFile)) {
11084 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
11086 if(name[0] == NULLCHAR) {
11087 if(appData.participants[0])
11088 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
11091 f = fopen(name, "r");
11092 if(f) { // file exists
11093 ASSIGN(appData.tourneyFile, name);
11094 ParseArgsFromFile(f); // parse it
11096 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
11097 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
11098 DisplayError(_("Not enough participants"), 0);
11101 if(CheckPlayers(appData.participants)) return 0;
11102 ASSIGN(appData.tourneyFile, name);
11103 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
11104 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
11107 appData.noChessProgram = FALSE;
11108 appData.clockMode = TRUE;
11114 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
11116 char buf[MSG_SIZ], *p, *q;
11117 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
11118 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
11119 skip = !all && group[0]; // if group requested, we start in skip mode
11120 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
11121 p = names; q = buf; header = 0;
11122 while(*p && *p != '\n') *q++ = *p++;
11124 if(*p == '\n') p++;
11125 if(buf[0] == '#') {
11126 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
11127 depth++; // we must be entering a new group
11128 if(all) continue; // suppress printing group headers when complete list requested
11130 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
11132 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
11133 if(engineList[i]) free(engineList[i]);
11134 engineList[i] = strdup(buf);
11135 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
11136 if(engineMnemonic[i]) free(engineMnemonic[i]);
11137 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
11139 sscanf(q + 8, "%s", buf + strlen(buf));
11142 engineMnemonic[i] = strdup(buf);
11145 engineList[i] = engineMnemonic[i] = NULL;
11149 // following implemented as macro to avoid type limitations
11150 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
11153 SwapEngines (int n)
11154 { // swap settings for first engine and other engine (so far only some selected options)
11159 SWAP(chessProgram, p)
11161 SWAP(hasOwnBookUCI, h)
11162 SWAP(protocolVersion, h)
11164 SWAP(scoreIsAbsolute, h)
11169 SWAP(engOptions, p)
11170 SWAP(engInitString, p)
11171 SWAP(computerString, p)
11173 SWAP(fenOverride, p)
11175 SWAP(accumulateTC, h)
11182 GetEngineLine (char *s, int n)
11186 extern char *icsNames;
11187 if(!s || !*s) return 0;
11188 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
11189 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
11190 if(!mnemonic[i]) return 0;
11191 if(n == 11) return 1; // just testing if there was a match
11192 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
11193 if(n == 1) SwapEngines(n);
11194 ParseArgsFromString(buf);
11195 if(n == 1) SwapEngines(n);
11196 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
11197 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
11198 ParseArgsFromString(buf);
11204 SetPlayer (int player, char *p)
11205 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
11207 char buf[MSG_SIZ], *engineName;
11208 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
11209 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
11210 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
11212 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
11213 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
11214 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
11215 ParseArgsFromString(buf);
11216 } else { // no engine with this nickname is installed!
11217 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
11218 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
11219 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11221 DisplayError(buf, 0);
11228 char *recentEngines;
11231 RecentEngineEvent (int nr)
11234 // SwapEngines(1); // bump first to second
11235 // ReplaceEngine(&second, 1); // and load it there
11236 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11237 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
11238 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
11239 ReplaceEngine(&first, 0);
11240 FloatToFront(&appData.recentEngineList, command[n]);
11245 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
11246 { // determine players from game number
11247 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
11249 if(appData.tourneyType == 0) {
11250 roundsPerCycle = (nPlayers - 1) | 1;
11251 pairingsPerRound = nPlayers / 2;
11252 } else if(appData.tourneyType > 0) {
11253 roundsPerCycle = nPlayers - appData.tourneyType;
11254 pairingsPerRound = appData.tourneyType;
11256 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
11257 gamesPerCycle = gamesPerRound * roundsPerCycle;
11258 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
11259 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
11260 curRound = nr / gamesPerRound; nr %= gamesPerRound;
11261 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
11262 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
11263 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
11265 if(appData.cycleSync) *syncInterval = gamesPerCycle;
11266 if(appData.roundSync) *syncInterval = gamesPerRound;
11268 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
11270 if(appData.tourneyType == 0) {
11271 if(curPairing == (nPlayers-1)/2 ) {
11272 *whitePlayer = curRound;
11273 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
11275 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
11276 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
11277 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
11278 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
11280 } else if(appData.tourneyType > 1) {
11281 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
11282 *whitePlayer = curRound + appData.tourneyType;
11283 } else if(appData.tourneyType > 0) {
11284 *whitePlayer = curPairing;
11285 *blackPlayer = curRound + appData.tourneyType;
11288 // take care of white/black alternation per round.
11289 // For cycles and games this is already taken care of by default, derived from matchGame!
11290 return curRound & 1;
11294 NextTourneyGame (int nr, int *swapColors)
11295 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11297 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11299 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11300 tf = fopen(appData.tourneyFile, "r");
11301 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11302 ParseArgsFromFile(tf); fclose(tf);
11303 InitTimeControls(); // TC might be altered from tourney file
11305 nPlayers = CountPlayers(appData.participants); // count participants
11306 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11307 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11310 p = q = appData.results;
11311 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11312 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11313 DisplayMessage(_("Waiting for other game(s)"),"");
11314 waitingForGame = TRUE;
11315 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11318 waitingForGame = FALSE;
11321 if(appData.tourneyType < 0) {
11322 if(nr>=0 && !pairingReceived) {
11324 if(pairing.pr == NoProc) {
11325 if(!appData.pairingEngine[0]) {
11326 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11329 StartChessProgram(&pairing); // starts the pairing engine
11331 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11332 SendToProgram(buf, &pairing);
11333 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11334 SendToProgram(buf, &pairing);
11335 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11337 pairingReceived = 0; // ... so we continue here
11339 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11340 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11341 matchGame = 1; roundNr = nr / syncInterval + 1;
11344 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11346 // redefine engines, engine dir, etc.
11347 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11348 if(first.pr == NoProc) {
11349 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11350 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11352 if(second.pr == NoProc) {
11354 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11355 SwapEngines(1); // and make that valid for second engine by swapping
11356 InitEngine(&second, 1);
11358 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11359 UpdateLogos(FALSE); // leave display to ModeHiglight()
11365 { // performs game initialization that does not invoke engines, and then tries to start the game
11366 int res, firstWhite, swapColors = 0;
11367 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11368 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
11370 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11371 if(strcmp(buf, currentDebugFile)) { // name has changed
11372 FILE *f = fopen(buf, "w");
11373 if(f) { // if opening the new file failed, just keep using the old one
11374 ASSIGN(currentDebugFile, buf);
11378 if(appData.serverFileName) {
11379 if(serverFP) fclose(serverFP);
11380 serverFP = fopen(appData.serverFileName, "w");
11381 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11382 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11386 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11387 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11388 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11389 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11390 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11391 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11392 Reset(FALSE, first.pr != NoProc);
11393 res = LoadGameOrPosition(matchGame); // setup game
11394 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11395 if(!res) return; // abort when bad game/pos file
11396 TwoMachinesEvent();
11400 UserAdjudicationEvent (int result)
11402 ChessMove gameResult = GameIsDrawn;
11405 gameResult = WhiteWins;
11407 else if( result < 0 ) {
11408 gameResult = BlackWins;
11411 if( gameMode == TwoMachinesPlay ) {
11412 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11417 // [HGM] save: calculate checksum of game to make games easily identifiable
11419 StringCheckSum (char *s)
11422 if(s==NULL) return 0;
11423 while(*s) i = i*259 + *s++;
11431 for(i=backwardMostMove; i<forwardMostMove; i++) {
11432 sum += pvInfoList[i].depth;
11433 sum += StringCheckSum(parseList[i]);
11434 sum += StringCheckSum(commentList[i]);
11437 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11438 return sum + StringCheckSum(commentList[i]);
11439 } // end of save patch
11442 GameEnds (ChessMove result, char *resultDetails, int whosays)
11444 GameMode nextGameMode;
11446 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11448 if(endingGame) return; /* [HGM] crash: forbid recursion */
11450 if(twoBoards) { // [HGM] dual: switch back to one board
11451 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11452 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11454 if (appData.debugMode) {
11455 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11456 result, resultDetails ? resultDetails : "(null)", whosays);
11459 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11461 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11463 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11464 /* If we are playing on ICS, the server decides when the
11465 game is over, but the engine can offer to draw, claim
11469 if (appData.zippyPlay && first.initDone) {
11470 if (result == GameIsDrawn) {
11471 /* In case draw still needs to be claimed */
11472 SendToICS(ics_prefix);
11473 SendToICS("draw\n");
11474 } else if (StrCaseStr(resultDetails, "resign")) {
11475 SendToICS(ics_prefix);
11476 SendToICS("resign\n");
11480 endingGame = 0; /* [HGM] crash */
11484 /* If we're loading the game from a file, stop */
11485 if (whosays == GE_FILE) {
11486 (void) StopLoadGameTimer();
11490 /* Cancel draw offers */
11491 first.offeredDraw = second.offeredDraw = 0;
11493 /* If this is an ICS game, only ICS can really say it's done;
11494 if not, anyone can. */
11495 isIcsGame = (gameMode == IcsPlayingWhite ||
11496 gameMode == IcsPlayingBlack ||
11497 gameMode == IcsObserving ||
11498 gameMode == IcsExamining);
11500 if (!isIcsGame || whosays == GE_ICS) {
11501 /* OK -- not an ICS game, or ICS said it was done */
11503 if (!isIcsGame && !appData.noChessProgram)
11504 SetUserThinkingEnables();
11506 /* [HGM] if a machine claims the game end we verify this claim */
11507 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11508 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11510 ChessMove trueResult = (ChessMove) -1;
11512 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11513 first.twoMachinesColor[0] :
11514 second.twoMachinesColor[0] ;
11516 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11517 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11518 /* [HGM] verify: engine mate claims accepted if they were flagged */
11519 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11521 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11522 /* [HGM] verify: engine mate claims accepted if they were flagged */
11523 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11525 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11526 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11529 // now verify win claims, but not in drop games, as we don't understand those yet
11530 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11531 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11532 (result == WhiteWins && claimer == 'w' ||
11533 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11534 if (appData.debugMode) {
11535 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11536 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11538 if(result != trueResult) {
11539 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11540 result = claimer == 'w' ? BlackWins : WhiteWins;
11541 resultDetails = buf;
11544 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11545 && (forwardMostMove <= backwardMostMove ||
11546 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11547 (claimer=='b')==(forwardMostMove&1))
11549 /* [HGM] verify: draws that were not flagged are false claims */
11550 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11551 result = claimer == 'w' ? BlackWins : WhiteWins;
11552 resultDetails = buf;
11554 /* (Claiming a loss is accepted no questions asked!) */
11555 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11556 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11557 result = GameUnfinished;
11558 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11560 /* [HGM] bare: don't allow bare King to win */
11561 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11562 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11563 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11564 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11565 && result != GameIsDrawn)
11566 { int i, j, k=0, oppoKings = 0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11567 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11568 int p = (signed char)boards[forwardMostMove][i][j] - color;
11569 if(p >= 0 && p <= (int)WhiteKing) k++;
11570 oppoKings += (p + color == WhiteKing + BlackPawn - color);
11572 if (appData.debugMode) {
11573 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11574 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11576 if(k <= 1 && oppoKings > 0) { // the latter needed in Atomic, where bare K wins if opponent King already destroyed
11577 result = GameIsDrawn;
11578 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11579 resultDetails = buf;
11585 if(serverMoves != NULL && !loadFlag) { char c = '=';
11586 if(result==WhiteWins) c = '+';
11587 if(result==BlackWins) c = '-';
11588 if(resultDetails != NULL)
11589 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11591 if (resultDetails != NULL) {
11592 gameInfo.result = result;
11593 gameInfo.resultDetails = StrSave(resultDetails);
11595 /* display last move only if game was not loaded from file */
11596 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11597 DisplayMove(currentMove - 1);
11599 if (forwardMostMove != 0) {
11600 if (gameMode != PlayFromGameFile && gameMode != EditGame
11601 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11603 if (*appData.saveGameFile != NULLCHAR) {
11604 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11605 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11607 SaveGameToFile(appData.saveGameFile, TRUE);
11608 } else if (appData.autoSaveGames) {
11609 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11611 if (*appData.savePositionFile != NULLCHAR) {
11612 SavePositionToFile(appData.savePositionFile);
11614 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11618 /* Tell program how game ended in case it is learning */
11619 /* [HGM] Moved this to after saving the PGN, just in case */
11620 /* engine died and we got here through time loss. In that */
11621 /* case we will get a fatal error writing the pipe, which */
11622 /* would otherwise lose us the PGN. */
11623 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11624 /* output during GameEnds should never be fatal anymore */
11625 if (gameMode == MachinePlaysWhite ||
11626 gameMode == MachinePlaysBlack ||
11627 gameMode == TwoMachinesPlay ||
11628 gameMode == IcsPlayingWhite ||
11629 gameMode == IcsPlayingBlack ||
11630 gameMode == BeginningOfGame) {
11632 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11634 if (first.pr != NoProc) {
11635 SendToProgram(buf, &first);
11637 if (second.pr != NoProc &&
11638 gameMode == TwoMachinesPlay) {
11639 SendToProgram(buf, &second);
11644 if (appData.icsActive) {
11645 if (appData.quietPlay &&
11646 (gameMode == IcsPlayingWhite ||
11647 gameMode == IcsPlayingBlack)) {
11648 SendToICS(ics_prefix);
11649 SendToICS("set shout 1\n");
11651 nextGameMode = IcsIdle;
11652 ics_user_moved = FALSE;
11653 /* clean up premove. It's ugly when the game has ended and the
11654 * premove highlights are still on the board.
11657 gotPremove = FALSE;
11658 ClearPremoveHighlights();
11659 DrawPosition(FALSE, boards[currentMove]);
11661 if (whosays == GE_ICS) {
11664 if (gameMode == IcsPlayingWhite)
11666 else if(gameMode == IcsPlayingBlack)
11667 PlayIcsLossSound();
11670 if (gameMode == IcsPlayingBlack)
11672 else if(gameMode == IcsPlayingWhite)
11673 PlayIcsLossSound();
11676 PlayIcsDrawSound();
11679 PlayIcsUnfinishedSound();
11682 if(appData.quitNext) { ExitEvent(0); return; }
11683 } else if (gameMode == EditGame ||
11684 gameMode == PlayFromGameFile ||
11685 gameMode == AnalyzeMode ||
11686 gameMode == AnalyzeFile) {
11687 nextGameMode = gameMode;
11689 nextGameMode = EndOfGame;
11694 nextGameMode = gameMode;
11697 if (appData.noChessProgram) {
11698 gameMode = nextGameMode;
11700 endingGame = 0; /* [HGM] crash */
11705 /* Put first chess program into idle state */
11706 if (first.pr != NoProc &&
11707 (gameMode == MachinePlaysWhite ||
11708 gameMode == MachinePlaysBlack ||
11709 gameMode == TwoMachinesPlay ||
11710 gameMode == IcsPlayingWhite ||
11711 gameMode == IcsPlayingBlack ||
11712 gameMode == BeginningOfGame)) {
11713 SendToProgram("force\n", &first);
11714 if (first.usePing) {
11716 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11717 SendToProgram(buf, &first);
11720 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11721 /* Kill off first chess program */
11722 if (first.isr != NULL)
11723 RemoveInputSource(first.isr);
11726 if (first.pr != NoProc) {
11728 DoSleep( appData.delayBeforeQuit );
11729 SendToProgram("quit\n", &first);
11730 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11731 first.reload = TRUE;
11735 if (second.reuse) {
11736 /* Put second chess program into idle state */
11737 if (second.pr != NoProc &&
11738 gameMode == TwoMachinesPlay) {
11739 SendToProgram("force\n", &second);
11740 if (second.usePing) {
11742 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11743 SendToProgram(buf, &second);
11746 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11747 /* Kill off second chess program */
11748 if (second.isr != NULL)
11749 RemoveInputSource(second.isr);
11752 if (second.pr != NoProc) {
11753 DoSleep( appData.delayBeforeQuit );
11754 SendToProgram("quit\n", &second);
11755 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11756 second.reload = TRUE;
11758 second.pr = NoProc;
11761 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11762 char resChar = '=';
11766 if (first.twoMachinesColor[0] == 'w') {
11769 second.matchWins++;
11774 if (first.twoMachinesColor[0] == 'b') {
11777 second.matchWins++;
11780 case GameUnfinished:
11786 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11787 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11788 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11789 ReserveGame(nextGame, resChar); // sets nextGame
11790 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11791 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11792 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11794 if (nextGame <= appData.matchGames && !abortMatch) {
11795 gameMode = nextGameMode;
11796 matchGame = nextGame; // this will be overruled in tourney mode!
11797 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11798 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11799 endingGame = 0; /* [HGM] crash */
11802 gameMode = nextGameMode;
11803 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11804 first.tidy, second.tidy,
11805 first.matchWins, second.matchWins,
11806 appData.matchGames - (first.matchWins + second.matchWins));
11807 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11808 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11809 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11810 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11811 first.twoMachinesColor = "black\n";
11812 second.twoMachinesColor = "white\n";
11814 first.twoMachinesColor = "white\n";
11815 second.twoMachinesColor = "black\n";
11819 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11820 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11822 gameMode = nextGameMode;
11824 endingGame = 0; /* [HGM] crash */
11825 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11826 if(matchMode == TRUE) { // match through command line: exit with or without popup
11828 ToNrEvent(forwardMostMove);
11829 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11831 } else DisplayFatalError(buf, 0, 0);
11832 } else { // match through menu; just stop, with or without popup
11833 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11836 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11837 } else DisplayNote(buf);
11839 if(ranking) free(ranking);
11843 /* Assumes program was just initialized (initString sent).
11844 Leaves program in force mode. */
11846 FeedMovesToProgram (ChessProgramState *cps, int upto)
11850 if (appData.debugMode)
11851 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11852 startedFromSetupPosition ? "position and " : "",
11853 backwardMostMove, upto, cps->which);
11854 if(currentlyInitializedVariant != gameInfo.variant) {
11856 // [HGM] variantswitch: make engine aware of new variant
11857 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11858 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11859 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11860 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11861 SendToProgram(buf, cps);
11862 currentlyInitializedVariant = gameInfo.variant;
11864 SendToProgram("force\n", cps);
11865 if (startedFromSetupPosition) {
11866 SendBoard(cps, backwardMostMove);
11867 if (appData.debugMode) {
11868 fprintf(debugFP, "feedMoves\n");
11871 for (i = backwardMostMove; i < upto; i++) {
11872 SendMoveToProgram(i, cps);
11878 ResurrectChessProgram ()
11880 /* The chess program may have exited.
11881 If so, restart it and feed it all the moves made so far. */
11882 static int doInit = 0;
11884 if (appData.noChessProgram) return 1;
11886 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11887 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11888 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11889 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11891 if (first.pr != NoProc) return 1;
11892 StartChessProgram(&first);
11894 InitChessProgram(&first, FALSE);
11895 FeedMovesToProgram(&first, currentMove);
11897 if (!first.sendTime) {
11898 /* can't tell gnuchess what its clock should read,
11899 so we bow to its notion. */
11901 timeRemaining[0][currentMove] = whiteTimeRemaining;
11902 timeRemaining[1][currentMove] = blackTimeRemaining;
11905 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11906 appData.icsEngineAnalyze) && first.analysisSupport) {
11907 SendToProgram("analyze\n", &first);
11908 first.analyzing = TRUE;
11914 * Button procedures
11917 Reset (int redraw, int init)
11921 if (appData.debugMode) {
11922 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11923 redraw, init, gameMode);
11925 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11926 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11927 CleanupTail(); // [HGM] vari: delete any stored variations
11928 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11929 pausing = pauseExamInvalid = FALSE;
11930 startedFromSetupPosition = blackPlaysFirst = FALSE;
11932 whiteFlag = blackFlag = FALSE;
11933 userOfferedDraw = FALSE;
11934 hintRequested = bookRequested = FALSE;
11935 first.maybeThinking = FALSE;
11936 second.maybeThinking = FALSE;
11937 first.bookSuspend = FALSE; // [HGM] book
11938 second.bookSuspend = FALSE;
11939 thinkOutput[0] = NULLCHAR;
11940 lastHint[0] = NULLCHAR;
11941 ClearGameInfo(&gameInfo);
11942 gameInfo.variant = StringToVariant(appData.variant);
11943 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11944 ics_user_moved = ics_clock_paused = FALSE;
11945 ics_getting_history = H_FALSE;
11947 white_holding[0] = black_holding[0] = NULLCHAR;
11948 ClearProgramStats();
11949 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11953 flipView = appData.flipView;
11954 ClearPremoveHighlights();
11955 gotPremove = FALSE;
11956 alarmSounded = FALSE;
11957 killX = killY = -1; // [HGM] lion
11959 GameEnds(EndOfFile, NULL, GE_PLAYER);
11960 if(appData.serverMovesName != NULL) {
11961 /* [HGM] prepare to make moves file for broadcasting */
11962 clock_t t = clock();
11963 if(serverMoves != NULL) fclose(serverMoves);
11964 serverMoves = fopen(appData.serverMovesName, "r");
11965 if(serverMoves != NULL) {
11966 fclose(serverMoves);
11967 /* delay 15 sec before overwriting, so all clients can see end */
11968 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11970 serverMoves = fopen(appData.serverMovesName, "w");
11974 gameMode = BeginningOfGame;
11976 if(appData.icsActive) gameInfo.variant = VariantNormal;
11977 currentMove = forwardMostMove = backwardMostMove = 0;
11978 MarkTargetSquares(1);
11979 InitPosition(redraw);
11980 for (i = 0; i < MAX_MOVES; i++) {
11981 if (commentList[i] != NULL) {
11982 free(commentList[i]);
11983 commentList[i] = NULL;
11987 timeRemaining[0][0] = whiteTimeRemaining;
11988 timeRemaining[1][0] = blackTimeRemaining;
11990 if (first.pr == NoProc) {
11991 StartChessProgram(&first);
11994 InitChessProgram(&first, startedFromSetupPosition);
11997 DisplayMessage("", "");
11998 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11999 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
12000 ClearMap(); // [HGM] exclude: invalidate map
12004 AutoPlayGameLoop ()
12007 if (!AutoPlayOneMove())
12009 if (matchMode || appData.timeDelay == 0)
12011 if (appData.timeDelay < 0)
12013 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
12021 ReloadGame(1); // next game
12027 int fromX, fromY, toX, toY;
12029 if (appData.debugMode) {
12030 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
12033 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
12036 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
12037 pvInfoList[currentMove].depth = programStats.depth;
12038 pvInfoList[currentMove].score = programStats.score;
12039 pvInfoList[currentMove].time = 0;
12040 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
12041 else { // append analysis of final position as comment
12043 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
12044 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
12046 programStats.depth = 0;
12049 if (currentMove >= forwardMostMove) {
12050 if(gameMode == AnalyzeFile) {
12051 if(appData.loadGameIndex == -1) {
12052 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
12053 ScheduleDelayedEvent(AnalyzeNextGame, 10);
12055 ExitAnalyzeMode(); SendToProgram("force\n", &first);
12058 // gameMode = EndOfGame;
12059 // ModeHighlight();
12061 /* [AS] Clear current move marker at the end of a game */
12062 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
12067 toX = moveList[currentMove][2] - AAA;
12068 toY = moveList[currentMove][3] - ONE;
12070 if (moveList[currentMove][1] == '@') {
12071 if (appData.highlightLastMove) {
12072 SetHighlights(-1, -1, toX, toY);
12075 int viaX = moveList[currentMove][5] - AAA;
12076 int viaY = moveList[currentMove][6] - ONE;
12077 fromX = moveList[currentMove][0] - AAA;
12078 fromY = moveList[currentMove][1] - ONE;
12080 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
12082 if(moveList[currentMove][4] == ';') { // multi-leg
12083 ChessSquare piece = boards[currentMove][viaY][viaX];
12084 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
12085 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
12086 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
12087 boards[currentMove][viaY][viaX] = piece;
12089 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
12091 if (appData.highlightLastMove) {
12092 SetHighlights(fromX, fromY, toX, toY);
12095 DisplayMove(currentMove);
12096 SendMoveToProgram(currentMove++, &first);
12097 DisplayBothClocks();
12098 DrawPosition(FALSE, boards[currentMove]);
12099 // [HGM] PV info: always display, routine tests if empty
12100 DisplayComment(currentMove - 1, commentList[currentMove]);
12106 LoadGameOneMove (ChessMove readAhead)
12108 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
12109 char promoChar = NULLCHAR;
12110 ChessMove moveType;
12111 char move[MSG_SIZ];
12114 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
12115 gameMode != AnalyzeMode && gameMode != Training) {
12120 yyboardindex = forwardMostMove;
12121 if (readAhead != EndOfFile) {
12122 moveType = readAhead;
12124 if (gameFileFP == NULL)
12126 moveType = (ChessMove) Myylex();
12130 switch (moveType) {
12132 if (appData.debugMode)
12133 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12136 /* append the comment but don't display it */
12137 AppendComment(currentMove, p, FALSE);
12140 case WhiteCapturesEnPassant:
12141 case BlackCapturesEnPassant:
12142 case WhitePromotion:
12143 case BlackPromotion:
12144 case WhiteNonPromotion:
12145 case BlackNonPromotion:
12148 case WhiteKingSideCastle:
12149 case WhiteQueenSideCastle:
12150 case BlackKingSideCastle:
12151 case BlackQueenSideCastle:
12152 case WhiteKingSideCastleWild:
12153 case WhiteQueenSideCastleWild:
12154 case BlackKingSideCastleWild:
12155 case BlackQueenSideCastleWild:
12157 case WhiteHSideCastleFR:
12158 case WhiteASideCastleFR:
12159 case BlackHSideCastleFR:
12160 case BlackASideCastleFR:
12162 if (appData.debugMode)
12163 fprintf(debugFP, "Parsed %s into %s virgin=%x,%x\n", yy_text, currentMoveString, boards[forwardMostMove][TOUCHED_W], boards[forwardMostMove][TOUCHED_B]);
12164 fromX = currentMoveString[0] - AAA;
12165 fromY = currentMoveString[1] - ONE;
12166 toX = currentMoveString[2] - AAA;
12167 toY = currentMoveString[3] - ONE;
12168 promoChar = currentMoveString[4];
12169 if(promoChar == ';') promoChar = currentMoveString[7];
12174 if (appData.debugMode)
12175 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
12176 fromX = moveType == WhiteDrop ?
12177 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12178 (int) CharToPiece(ToLower(currentMoveString[0]));
12180 toX = currentMoveString[2] - AAA;
12181 toY = currentMoveString[3] - ONE;
12187 case GameUnfinished:
12188 if (appData.debugMode)
12189 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
12190 p = strchr(yy_text, '{');
12191 if (p == NULL) p = strchr(yy_text, '(');
12194 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
12196 q = strchr(p, *p == '{' ? '}' : ')');
12197 if (q != NULL) *q = NULLCHAR;
12200 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
12201 GameEnds(moveType, p, GE_FILE);
12203 if (cmailMsgLoaded) {
12205 flipView = WhiteOnMove(currentMove);
12206 if (moveType == GameUnfinished) flipView = !flipView;
12207 if (appData.debugMode)
12208 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
12213 if (appData.debugMode)
12214 fprintf(debugFP, "Parser hit end of file\n");
12215 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12221 if (WhiteOnMove(currentMove)) {
12222 GameEnds(BlackWins, "Black mates", GE_FILE);
12224 GameEnds(WhiteWins, "White mates", GE_FILE);
12228 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12234 case MoveNumberOne:
12235 if (lastLoadGameStart == GNUChessGame) {
12236 /* GNUChessGames have numbers, but they aren't move numbers */
12237 if (appData.debugMode)
12238 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12239 yy_text, (int) moveType);
12240 return LoadGameOneMove(EndOfFile); /* tail recursion */
12242 /* else fall thru */
12247 /* Reached start of next game in file */
12248 if (appData.debugMode)
12249 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
12250 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12256 if (WhiteOnMove(currentMove)) {
12257 GameEnds(BlackWins, "Black mates", GE_FILE);
12259 GameEnds(WhiteWins, "White mates", GE_FILE);
12263 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
12269 case PositionDiagram: /* should not happen; ignore */
12270 case ElapsedTime: /* ignore */
12271 case NAG: /* ignore */
12272 if (appData.debugMode)
12273 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
12274 yy_text, (int) moveType);
12275 return LoadGameOneMove(EndOfFile); /* tail recursion */
12278 if (appData.testLegality) {
12279 if (appData.debugMode)
12280 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
12281 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12282 (forwardMostMove / 2) + 1,
12283 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12284 DisplayError(move, 0);
12287 if (appData.debugMode)
12288 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
12289 yy_text, currentMoveString);
12290 if(currentMoveString[1] == '@') {
12291 fromX = CharToPiece(WhiteOnMove(currentMove) ? ToUpper(currentMoveString[0]) : ToLower(currentMoveString[0]));
12294 fromX = currentMoveString[0] - AAA;
12295 fromY = currentMoveString[1] - ONE;
12297 toX = currentMoveString[2] - AAA;
12298 toY = currentMoveString[3] - ONE;
12299 promoChar = currentMoveString[4];
12303 case AmbiguousMove:
12304 if (appData.debugMode)
12305 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12306 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12307 (forwardMostMove / 2) + 1,
12308 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12309 DisplayError(move, 0);
12314 case ImpossibleMove:
12315 if (appData.debugMode)
12316 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12317 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12318 (forwardMostMove / 2) + 1,
12319 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12320 DisplayError(move, 0);
12326 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12327 DrawPosition(FALSE, boards[currentMove]);
12328 DisplayBothClocks();
12329 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12330 DisplayComment(currentMove - 1, commentList[currentMove]);
12332 (void) StopLoadGameTimer();
12334 cmailOldMove = forwardMostMove;
12337 /* currentMoveString is set as a side-effect of yylex */
12339 thinkOutput[0] = NULLCHAR;
12340 MakeMove(fromX, fromY, toX, toY, promoChar);
12341 killX = killY = -1; // [HGM] lion: used up
12342 currentMove = forwardMostMove;
12347 /* Load the nth game from the given file */
12349 LoadGameFromFile (char *filename, int n, char *title, int useList)
12354 if (strcmp(filename, "-") == 0) {
12358 f = fopen(filename, "rb");
12360 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12361 DisplayError(buf, errno);
12365 if (fseek(f, 0, 0) == -1) {
12366 /* f is not seekable; probably a pipe */
12369 if (useList && n == 0) {
12370 int error = GameListBuild(f);
12372 DisplayError(_("Cannot build game list"), error);
12373 } else if (!ListEmpty(&gameList) &&
12374 ((ListGame *) gameList.tailPred)->number > 1) {
12375 GameListPopUp(f, title);
12382 return LoadGame(f, n, title, FALSE);
12387 MakeRegisteredMove ()
12389 int fromX, fromY, toX, toY;
12391 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12392 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12395 if (appData.debugMode)
12396 fprintf(debugFP, "Restoring %s for game %d\n",
12397 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12399 thinkOutput[0] = NULLCHAR;
12400 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12401 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12402 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12403 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12404 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12405 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12406 MakeMove(fromX, fromY, toX, toY, promoChar);
12407 ShowMove(fromX, fromY, toX, toY);
12409 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12416 if (WhiteOnMove(currentMove)) {
12417 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12419 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12424 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12431 if (WhiteOnMove(currentMove)) {
12432 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12434 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12439 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12450 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12452 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12456 if (gameNumber > nCmailGames) {
12457 DisplayError(_("No more games in this message"), 0);
12460 if (f == lastLoadGameFP) {
12461 int offset = gameNumber - lastLoadGameNumber;
12463 cmailMsg[0] = NULLCHAR;
12464 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12465 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12466 nCmailMovesRegistered--;
12468 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12469 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12470 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12473 if (! RegisterMove()) return FALSE;
12477 retVal = LoadGame(f, gameNumber, title, useList);
12479 /* Make move registered during previous look at this game, if any */
12480 MakeRegisteredMove();
12482 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12483 commentList[currentMove]
12484 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12485 DisplayComment(currentMove - 1, commentList[currentMove]);
12491 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12493 ReloadGame (int offset)
12495 int gameNumber = lastLoadGameNumber + offset;
12496 if (lastLoadGameFP == NULL) {
12497 DisplayError(_("No game has been loaded yet"), 0);
12500 if (gameNumber <= 0) {
12501 DisplayError(_("Can't back up any further"), 0);
12504 if (cmailMsgLoaded) {
12505 return CmailLoadGame(lastLoadGameFP, gameNumber,
12506 lastLoadGameTitle, lastLoadGameUseList);
12508 return LoadGame(lastLoadGameFP, gameNumber,
12509 lastLoadGameTitle, lastLoadGameUseList);
12513 int keys[EmptySquare+1];
12516 PositionMatches (Board b1, Board b2)
12519 switch(appData.searchMode) {
12520 case 1: return CompareWithRights(b1, b2);
12522 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12523 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12527 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12528 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12529 sum += keys[b1[r][f]] - keys[b2[r][f]];
12533 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12534 sum += keys[b1[r][f]] - keys[b2[r][f]];
12546 int pieceList[256], quickBoard[256];
12547 ChessSquare pieceType[256] = { EmptySquare };
12548 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12549 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12550 int soughtTotal, turn;
12551 Boolean epOK, flipSearch;
12554 unsigned char piece, to;
12557 #define DSIZE (250000)
12559 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12560 Move *moveDatabase = initialSpace;
12561 unsigned int movePtr, dataSize = DSIZE;
12564 MakePieceList (Board board, int *counts)
12566 int r, f, n=Q_PROMO, total=0;
12567 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12568 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12569 int sq = f + (r<<4);
12570 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12571 quickBoard[sq] = ++n;
12573 pieceType[n] = board[r][f];
12574 counts[board[r][f]]++;
12575 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12576 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12580 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12585 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12587 int sq = fromX + (fromY<<4);
12588 int piece = quickBoard[sq], rook;
12589 quickBoard[sq] = 0;
12590 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12591 if(piece == pieceList[1] && fromY == toY) {
12592 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12593 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12594 moveDatabase[movePtr++].piece = Q_WCASTL;
12595 quickBoard[sq] = piece;
12596 piece = quickBoard[from]; quickBoard[from] = 0;
12597 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12598 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12599 quickBoard[sq] = 0; // remove Rook
12600 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12601 moveDatabase[movePtr++].piece = Q_WCASTL;
12602 quickBoard[sq] = pieceList[1]; // put King
12604 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12607 if(piece == pieceList[2] && fromY == toY) {
12608 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12609 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12610 moveDatabase[movePtr++].piece = Q_BCASTL;
12611 quickBoard[sq] = piece;
12612 piece = quickBoard[from]; quickBoard[from] = 0;
12613 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12614 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12615 quickBoard[sq] = 0; // remove Rook
12616 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12617 moveDatabase[movePtr++].piece = Q_BCASTL;
12618 quickBoard[sq] = pieceList[2]; // put King
12620 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12623 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12624 quickBoard[(fromY<<4)+toX] = 0;
12625 moveDatabase[movePtr].piece = Q_EP;
12626 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12627 moveDatabase[movePtr].to = sq;
12629 if(promoPiece != pieceType[piece]) {
12630 moveDatabase[movePtr++].piece = Q_PROMO;
12631 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12633 moveDatabase[movePtr].piece = piece;
12634 quickBoard[sq] = piece;
12639 PackGame (Board board)
12641 Move *newSpace = NULL;
12642 moveDatabase[movePtr].piece = 0; // terminate previous game
12643 if(movePtr > dataSize) {
12644 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12645 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12646 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12649 Move *p = moveDatabase, *q = newSpace;
12650 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12651 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12652 moveDatabase = newSpace;
12653 } else { // calloc failed, we must be out of memory. Too bad...
12654 dataSize = 0; // prevent calloc events for all subsequent games
12655 return 0; // and signal this one isn't cached
12659 MakePieceList(board, counts);
12664 QuickCompare (Board board, int *minCounts, int *maxCounts)
12665 { // compare according to search mode
12667 switch(appData.searchMode)
12669 case 1: // exact position match
12670 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12671 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12672 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12675 case 2: // can have extra material on empty squares
12676 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12677 if(board[r][f] == EmptySquare) continue;
12678 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12681 case 3: // material with exact Pawn structure
12682 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12683 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12684 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12685 } // fall through to material comparison
12686 case 4: // exact material
12687 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12689 case 6: // material range with given imbalance
12690 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12691 // fall through to range comparison
12692 case 5: // material range
12693 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12699 QuickScan (Board board, Move *move)
12700 { // reconstruct game,and compare all positions in it
12701 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12703 int piece = move->piece;
12704 int to = move->to, from = pieceList[piece];
12705 if(found < 0) { // if already found just scan to game end for final piece count
12706 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12707 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12708 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12709 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12711 static int lastCounts[EmptySquare+1];
12713 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12714 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12715 } else stretch = 0;
12716 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12717 if(found >= 0 && !appData.minPieces) return found;
12719 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12720 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12721 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12722 piece = (++move)->piece;
12723 from = pieceList[piece];
12724 counts[pieceType[piece]]--;
12725 pieceType[piece] = (ChessSquare) move->to;
12726 counts[move->to]++;
12727 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12728 counts[pieceType[quickBoard[to]]]--;
12729 quickBoard[to] = 0; total--;
12732 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12733 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12734 from = pieceList[piece]; // so this must be King
12735 quickBoard[from] = 0;
12736 pieceList[piece] = to;
12737 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12738 quickBoard[from] = 0; // rook
12739 quickBoard[to] = piece;
12740 to = move->to; piece = move->piece;
12744 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12745 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12746 quickBoard[from] = 0;
12748 quickBoard[to] = piece;
12749 pieceList[piece] = to;
12759 flipSearch = FALSE;
12760 CopyBoard(soughtBoard, boards[currentMove]);
12761 soughtTotal = MakePieceList(soughtBoard, maxSought);
12762 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12763 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12764 CopyBoard(reverseBoard, boards[currentMove]);
12765 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12766 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12767 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12768 reverseBoard[r][f] = piece;
12770 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12771 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12772 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12773 || (boards[currentMove][CASTLING][2] == NoRights ||
12774 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12775 && (boards[currentMove][CASTLING][5] == NoRights ||
12776 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12779 CopyBoard(flipBoard, soughtBoard);
12780 CopyBoard(rotateBoard, reverseBoard);
12781 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12782 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12783 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12786 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12787 if(appData.searchMode >= 5) {
12788 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12789 MakePieceList(soughtBoard, minSought);
12790 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12792 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12793 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12796 GameInfo dummyInfo;
12797 static int creatingBook;
12800 GameContainsPosition (FILE *f, ListGame *lg)
12802 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12803 int fromX, fromY, toX, toY;
12805 static int initDone=FALSE;
12807 // weed out games based on numerical tag comparison
12808 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12809 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12810 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12811 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12813 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12816 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12817 else CopyBoard(boards[scratch], initialPosition); // default start position
12820 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12821 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12824 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12825 fseek(f, lg->offset, 0);
12828 yyboardindex = scratch;
12829 quickFlag = plyNr+1;
12834 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12840 if(plyNr) return -1; // after we have seen moves, this is for new game
12843 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12844 case ImpossibleMove:
12845 case WhiteWins: // game ends here with these four
12848 case GameUnfinished:
12852 if(appData.testLegality) return -1;
12853 case WhiteCapturesEnPassant:
12854 case BlackCapturesEnPassant:
12855 case WhitePromotion:
12856 case BlackPromotion:
12857 case WhiteNonPromotion:
12858 case BlackNonPromotion:
12861 case WhiteKingSideCastle:
12862 case WhiteQueenSideCastle:
12863 case BlackKingSideCastle:
12864 case BlackQueenSideCastle:
12865 case WhiteKingSideCastleWild:
12866 case WhiteQueenSideCastleWild:
12867 case BlackKingSideCastleWild:
12868 case BlackQueenSideCastleWild:
12869 case WhiteHSideCastleFR:
12870 case WhiteASideCastleFR:
12871 case BlackHSideCastleFR:
12872 case BlackASideCastleFR:
12873 fromX = currentMoveString[0] - AAA;
12874 fromY = currentMoveString[1] - ONE;
12875 toX = currentMoveString[2] - AAA;
12876 toY = currentMoveString[3] - ONE;
12877 promoChar = currentMoveString[4];
12881 fromX = next == WhiteDrop ?
12882 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12883 (int) CharToPiece(ToLower(currentMoveString[0]));
12885 toX = currentMoveString[2] - AAA;
12886 toY = currentMoveString[3] - ONE;
12890 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12892 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12893 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12894 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12895 if(appData.findMirror) {
12896 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12897 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12902 /* Load the nth game from open file f */
12904 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12908 int gn = gameNumber;
12909 ListGame *lg = NULL;
12910 int numPGNTags = 0;
12912 GameMode oldGameMode;
12913 VariantClass v, oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12914 char oldName[MSG_SIZ];
12916 safeStrCpy(oldName, engineVariant, MSG_SIZ); v = oldVariant;
12918 if (appData.debugMode)
12919 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12921 if (gameMode == Training )
12922 SetTrainingModeOff();
12924 oldGameMode = gameMode;
12925 if (gameMode != BeginningOfGame) {
12926 Reset(FALSE, TRUE);
12928 killX = killY = -1; // [HGM] lion: in case we did not Reset
12931 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12932 fclose(lastLoadGameFP);
12936 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12939 fseek(f, lg->offset, 0);
12940 GameListHighlight(gameNumber);
12941 pos = lg->position;
12945 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12946 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12948 DisplayError(_("Game number out of range"), 0);
12953 if (fseek(f, 0, 0) == -1) {
12954 if (f == lastLoadGameFP ?
12955 gameNumber == lastLoadGameNumber + 1 :
12959 DisplayError(_("Can't seek on game file"), 0);
12964 lastLoadGameFP = f;
12965 lastLoadGameNumber = gameNumber;
12966 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12967 lastLoadGameUseList = useList;
12971 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12972 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12973 lg->gameInfo.black);
12975 } else if (*title != NULLCHAR) {
12976 if (gameNumber > 1) {
12977 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12980 DisplayTitle(title);
12984 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12985 gameMode = PlayFromGameFile;
12989 currentMove = forwardMostMove = backwardMostMove = 0;
12990 CopyBoard(boards[0], initialPosition);
12994 * Skip the first gn-1 games in the file.
12995 * Also skip over anything that precedes an identifiable
12996 * start of game marker, to avoid being confused by
12997 * garbage at the start of the file. Currently
12998 * recognized start of game markers are the move number "1",
12999 * the pattern "gnuchess .* game", the pattern
13000 * "^[#;%] [^ ]* game file", and a PGN tag block.
13001 * A game that starts with one of the latter two patterns
13002 * will also have a move number 1, possibly
13003 * following a position diagram.
13004 * 5-4-02: Let's try being more lenient and allowing a game to
13005 * start with an unnumbered move. Does that break anything?
13007 cm = lastLoadGameStart = EndOfFile;
13009 yyboardindex = forwardMostMove;
13010 cm = (ChessMove) Myylex();
13013 if (cmailMsgLoaded) {
13014 nCmailGames = CMAIL_MAX_GAMES - gn;
13017 DisplayError(_("Game not found in file"), 0);
13024 lastLoadGameStart = cm;
13027 case MoveNumberOne:
13028 switch (lastLoadGameStart) {
13033 case MoveNumberOne:
13035 gn--; /* count this game */
13036 lastLoadGameStart = cm;
13045 switch (lastLoadGameStart) {
13048 case MoveNumberOne:
13050 gn--; /* count this game */
13051 lastLoadGameStart = cm;
13054 lastLoadGameStart = cm; /* game counted already */
13062 yyboardindex = forwardMostMove;
13063 cm = (ChessMove) Myylex();
13064 } while (cm == PGNTag || cm == Comment);
13071 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
13072 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
13073 != CMAIL_OLD_RESULT) {
13075 cmailResult[ CMAIL_MAX_GAMES
13076 - gn - 1] = CMAIL_OLD_RESULT;
13083 /* Only a NormalMove can be at the start of a game
13084 * without a position diagram. */
13085 if (lastLoadGameStart == EndOfFile ) {
13087 lastLoadGameStart = MoveNumberOne;
13096 if (appData.debugMode)
13097 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
13099 if (cm == XBoardGame) {
13100 /* Skip any header junk before position diagram and/or move 1 */
13102 yyboardindex = forwardMostMove;
13103 cm = (ChessMove) Myylex();
13105 if (cm == EndOfFile ||
13106 cm == GNUChessGame || cm == XBoardGame) {
13107 /* Empty game; pretend end-of-file and handle later */
13112 if (cm == MoveNumberOne || cm == PositionDiagram ||
13113 cm == PGNTag || cm == Comment)
13116 } else if (cm == GNUChessGame) {
13117 if (gameInfo.event != NULL) {
13118 free(gameInfo.event);
13120 gameInfo.event = StrSave(yy_text);
13123 startedFromSetupPosition = startedFromPositionFile; // [HGM]
13124 while (cm == PGNTag) {
13125 if (appData.debugMode)
13126 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
13127 err = ParsePGNTag(yy_text, &gameInfo);
13128 if (!err) numPGNTags++;
13130 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
13131 if(gameInfo.variant != oldVariant && (gameInfo.variant != VariantNormal || gameInfo.variantName == NULL || *gameInfo.variantName == NULLCHAR)) {
13132 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
13133 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
13134 InitPosition(TRUE);
13135 oldVariant = gameInfo.variant;
13136 if (appData.debugMode)
13137 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
13141 if (gameInfo.fen != NULL) {
13142 Board initial_position;
13143 startedFromSetupPosition = TRUE;
13144 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
13146 DisplayError(_("Bad FEN position in file"), 0);
13149 CopyBoard(boards[0], initial_position);
13150 if(*engineVariant || gameInfo.variant == VariantFairy) // [HGM] for now, assume FEN in engine-defined variant game is default initial position
13151 CopyBoard(initialPosition, initial_position);
13152 if (blackPlaysFirst) {
13153 currentMove = forwardMostMove = backwardMostMove = 1;
13154 CopyBoard(boards[1], initial_position);
13155 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13156 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13157 timeRemaining[0][1] = whiteTimeRemaining;
13158 timeRemaining[1][1] = blackTimeRemaining;
13159 if (commentList[0] != NULL) {
13160 commentList[1] = commentList[0];
13161 commentList[0] = NULL;
13164 currentMove = forwardMostMove = backwardMostMove = 0;
13166 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
13168 initialRulePlies = FENrulePlies;
13169 for( i=0; i< nrCastlingRights; i++ )
13170 initialRights[i] = initial_position[CASTLING][i];
13172 yyboardindex = forwardMostMove;
13173 free(gameInfo.fen);
13174 gameInfo.fen = NULL;
13177 yyboardindex = forwardMostMove;
13178 cm = (ChessMove) Myylex();
13180 /* Handle comments interspersed among the tags */
13181 while (cm == Comment) {
13183 if (appData.debugMode)
13184 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13186 AppendComment(currentMove, p, FALSE);
13187 yyboardindex = forwardMostMove;
13188 cm = (ChessMove) Myylex();
13192 /* don't rely on existence of Event tag since if game was
13193 * pasted from clipboard the Event tag may not exist
13195 if (numPGNTags > 0){
13197 if (gameInfo.variant == VariantNormal) {
13198 VariantClass v = StringToVariant(gameInfo.event);
13199 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
13200 if(v < VariantShogi) gameInfo.variant = v;
13203 if( appData.autoDisplayTags ) {
13204 tags = PGNTags(&gameInfo);
13205 TagsPopUp(tags, CmailMsg());
13210 /* Make something up, but don't display it now */
13215 if (cm == PositionDiagram) {
13218 Board initial_position;
13220 if (appData.debugMode)
13221 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
13223 if (!startedFromSetupPosition) {
13225 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
13226 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
13237 initial_position[i][j++] = CharToPiece(*p);
13240 while (*p == ' ' || *p == '\t' ||
13241 *p == '\n' || *p == '\r') p++;
13243 if (strncmp(p, "black", strlen("black"))==0)
13244 blackPlaysFirst = TRUE;
13246 blackPlaysFirst = FALSE;
13247 startedFromSetupPosition = TRUE;
13249 CopyBoard(boards[0], initial_position);
13250 if (blackPlaysFirst) {
13251 currentMove = forwardMostMove = backwardMostMove = 1;
13252 CopyBoard(boards[1], initial_position);
13253 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13254 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13255 timeRemaining[0][1] = whiteTimeRemaining;
13256 timeRemaining[1][1] = blackTimeRemaining;
13257 if (commentList[0] != NULL) {
13258 commentList[1] = commentList[0];
13259 commentList[0] = NULL;
13262 currentMove = forwardMostMove = backwardMostMove = 0;
13265 yyboardindex = forwardMostMove;
13266 cm = (ChessMove) Myylex();
13269 if(!creatingBook) {
13270 if (first.pr == NoProc) {
13271 StartChessProgram(&first);
13273 InitChessProgram(&first, FALSE);
13274 if(gameInfo.variant == VariantUnknown && *oldName) {
13275 safeStrCpy(engineVariant, oldName, MSG_SIZ);
13276 gameInfo.variant = v;
13278 SendToProgram("force\n", &first);
13279 if (startedFromSetupPosition) {
13280 SendBoard(&first, forwardMostMove);
13281 if (appData.debugMode) {
13282 fprintf(debugFP, "Load Game\n");
13284 DisplayBothClocks();
13288 /* [HGM] server: flag to write setup moves in broadcast file as one */
13289 loadFlag = appData.suppressLoadMoves;
13291 while (cm == Comment) {
13293 if (appData.debugMode)
13294 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
13296 AppendComment(currentMove, p, FALSE);
13297 yyboardindex = forwardMostMove;
13298 cm = (ChessMove) Myylex();
13301 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
13302 cm == WhiteWins || cm == BlackWins ||
13303 cm == GameIsDrawn || cm == GameUnfinished) {
13304 DisplayMessage("", _("No moves in game"));
13305 if (cmailMsgLoaded) {
13306 if (appData.debugMode)
13307 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13311 DrawPosition(FALSE, boards[currentMove]);
13312 DisplayBothClocks();
13313 gameMode = EditGame;
13320 // [HGM] PV info: routine tests if comment empty
13321 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13322 DisplayComment(currentMove - 1, commentList[currentMove]);
13324 if (!matchMode && appData.timeDelay != 0)
13325 DrawPosition(FALSE, boards[currentMove]);
13327 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13328 programStats.ok_to_send = 1;
13331 /* if the first token after the PGN tags is a move
13332 * and not move number 1, retrieve it from the parser
13334 if (cm != MoveNumberOne)
13335 LoadGameOneMove(cm);
13337 /* load the remaining moves from the file */
13338 while (LoadGameOneMove(EndOfFile)) {
13339 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13340 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13343 /* rewind to the start of the game */
13344 currentMove = backwardMostMove;
13346 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13348 if (oldGameMode == AnalyzeFile) {
13349 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13350 AnalyzeFileEvent();
13352 if (oldGameMode == AnalyzeMode) {
13353 AnalyzeFileEvent();
13356 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13357 long int w, b; // [HGM] adjourn: restore saved clock times
13358 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13359 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13360 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13361 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13365 if(creatingBook) return TRUE;
13366 if (!matchMode && pos > 0) {
13367 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13369 if (matchMode || appData.timeDelay == 0) {
13371 } else if (appData.timeDelay > 0) {
13372 AutoPlayGameLoop();
13375 if (appData.debugMode)
13376 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13378 loadFlag = 0; /* [HGM] true game starts */
13382 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13384 ReloadPosition (int offset)
13386 int positionNumber = lastLoadPositionNumber + offset;
13387 if (lastLoadPositionFP == NULL) {
13388 DisplayError(_("No position has been loaded yet"), 0);
13391 if (positionNumber <= 0) {
13392 DisplayError(_("Can't back up any further"), 0);
13395 return LoadPosition(lastLoadPositionFP, positionNumber,
13396 lastLoadPositionTitle);
13399 /* Load the nth position from the given file */
13401 LoadPositionFromFile (char *filename, int n, char *title)
13406 if (strcmp(filename, "-") == 0) {
13407 return LoadPosition(stdin, n, "stdin");
13409 f = fopen(filename, "rb");
13411 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13412 DisplayError(buf, errno);
13415 return LoadPosition(f, n, title);
13420 /* Load the nth position from the given open file, and close it */
13422 LoadPosition (FILE *f, int positionNumber, char *title)
13424 char *p, line[MSG_SIZ];
13425 Board initial_position;
13426 int i, j, fenMode, pn;
13428 if (gameMode == Training )
13429 SetTrainingModeOff();
13431 if (gameMode != BeginningOfGame) {
13432 Reset(FALSE, TRUE);
13434 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13435 fclose(lastLoadPositionFP);
13437 if (positionNumber == 0) positionNumber = 1;
13438 lastLoadPositionFP = f;
13439 lastLoadPositionNumber = positionNumber;
13440 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13441 if (first.pr == NoProc && !appData.noChessProgram) {
13442 StartChessProgram(&first);
13443 InitChessProgram(&first, FALSE);
13445 pn = positionNumber;
13446 if (positionNumber < 0) {
13447 /* Negative position number means to seek to that byte offset */
13448 if (fseek(f, -positionNumber, 0) == -1) {
13449 DisplayError(_("Can't seek on position file"), 0);
13454 if (fseek(f, 0, 0) == -1) {
13455 if (f == lastLoadPositionFP ?
13456 positionNumber == lastLoadPositionNumber + 1 :
13457 positionNumber == 1) {
13460 DisplayError(_("Can't seek on position file"), 0);
13465 /* See if this file is FEN or old-style xboard */
13466 if (fgets(line, MSG_SIZ, f) == NULL) {
13467 DisplayError(_("Position not found in file"), 0);
13470 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces (or * for blackout)
13471 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || line[0] == '*' || CharToPiece(line[0]) != EmptySquare;
13474 if (fenMode || line[0] == '#') pn--;
13476 /* skip positions before number pn */
13477 if (fgets(line, MSG_SIZ, f) == NULL) {
13479 DisplayError(_("Position not found in file"), 0);
13482 if (fenMode || line[0] == '#') pn--;
13488 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13489 DisplayError(_("Bad FEN position in file"), 0);
13492 if((p = strstr(line, ";")) && (p = strstr(p+1, "bm "))) { // EPD with best move
13493 sscanf(p+3, "%s", bestMove);
13494 } else *bestMove = NULLCHAR;
13496 (void) fgets(line, MSG_SIZ, f);
13497 (void) fgets(line, MSG_SIZ, f);
13499 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13500 (void) fgets(line, MSG_SIZ, f);
13501 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13504 initial_position[i][j++] = CharToPiece(*p);
13508 blackPlaysFirst = FALSE;
13510 (void) fgets(line, MSG_SIZ, f);
13511 if (strncmp(line, "black", strlen("black"))==0)
13512 blackPlaysFirst = TRUE;
13515 startedFromSetupPosition = TRUE;
13517 CopyBoard(boards[0], initial_position);
13518 if (blackPlaysFirst) {
13519 currentMove = forwardMostMove = backwardMostMove = 1;
13520 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13521 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13522 CopyBoard(boards[1], initial_position);
13523 DisplayMessage("", _("Black to play"));
13525 currentMove = forwardMostMove = backwardMostMove = 0;
13526 DisplayMessage("", _("White to play"));
13528 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13529 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13530 SendToProgram("force\n", &first);
13531 SendBoard(&first, forwardMostMove);
13533 if (appData.debugMode) {
13535 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13536 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13537 fprintf(debugFP, "Load Position\n");
13540 if (positionNumber > 1) {
13541 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13542 DisplayTitle(line);
13544 DisplayTitle(title);
13546 gameMode = EditGame;
13549 timeRemaining[0][1] = whiteTimeRemaining;
13550 timeRemaining[1][1] = blackTimeRemaining;
13551 DrawPosition(FALSE, boards[currentMove]);
13558 CopyPlayerNameIntoFileName (char **dest, char *src)
13560 while (*src != NULLCHAR && *src != ',') {
13565 *(*dest)++ = *src++;
13571 DefaultFileName (char *ext)
13573 static char def[MSG_SIZ];
13576 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13578 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13580 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13582 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13589 /* Save the current game to the given file */
13591 SaveGameToFile (char *filename, int append)
13595 int result, i, t,tot=0;
13597 if (strcmp(filename, "-") == 0) {
13598 return SaveGame(stdout, 0, NULL);
13600 for(i=0; i<10; i++) { // upto 10 tries
13601 f = fopen(filename, append ? "a" : "w");
13602 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13603 if(f || errno != 13) break;
13604 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13608 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13609 DisplayError(buf, errno);
13612 safeStrCpy(buf, lastMsg, MSG_SIZ);
13613 DisplayMessage(_("Waiting for access to save file"), "");
13614 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13615 DisplayMessage(_("Saving game"), "");
13616 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13617 result = SaveGame(f, 0, NULL);
13618 DisplayMessage(buf, "");
13625 SavePart (char *str)
13627 static char buf[MSG_SIZ];
13630 p = strchr(str, ' ');
13631 if (p == NULL) return str;
13632 strncpy(buf, str, p - str);
13633 buf[p - str] = NULLCHAR;
13637 #define PGN_MAX_LINE 75
13639 #define PGN_SIDE_WHITE 0
13640 #define PGN_SIDE_BLACK 1
13643 FindFirstMoveOutOfBook (int side)
13647 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13648 int index = backwardMostMove;
13649 int has_book_hit = 0;
13651 if( (index % 2) != side ) {
13655 while( index < forwardMostMove ) {
13656 /* Check to see if engine is in book */
13657 int depth = pvInfoList[index].depth;
13658 int score = pvInfoList[index].score;
13664 else if( score == 0 && depth == 63 ) {
13665 in_book = 1; /* Zappa */
13667 else if( score == 2 && depth == 99 ) {
13668 in_book = 1; /* Abrok */
13671 has_book_hit += in_book;
13687 GetOutOfBookInfo (char * buf)
13691 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13693 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13694 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13698 if( oob[0] >= 0 || oob[1] >= 0 ) {
13699 for( i=0; i<2; i++ ) {
13703 if( i > 0 && oob[0] >= 0 ) {
13704 strcat( buf, " " );
13707 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13708 sprintf( buf+strlen(buf), "%s%.2f",
13709 pvInfoList[idx].score >= 0 ? "+" : "",
13710 pvInfoList[idx].score / 100.0 );
13716 /* Save game in PGN style */
13718 SaveGamePGN2 (FILE *f)
13720 int i, offset, linelen, newblock;
13723 int movelen, numlen, blank;
13724 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13726 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13728 PrintPGNTags(f, &gameInfo);
13730 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13732 if (backwardMostMove > 0 || startedFromSetupPosition) {
13733 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13734 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13735 fprintf(f, "\n{--------------\n");
13736 PrintPosition(f, backwardMostMove);
13737 fprintf(f, "--------------}\n");
13741 /* [AS] Out of book annotation */
13742 if( appData.saveOutOfBookInfo ) {
13745 GetOutOfBookInfo( buf );
13747 if( buf[0] != '\0' ) {
13748 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13755 i = backwardMostMove;
13759 while (i < forwardMostMove) {
13760 /* Print comments preceding this move */
13761 if (commentList[i] != NULL) {
13762 if (linelen > 0) fprintf(f, "\n");
13763 fprintf(f, "%s", commentList[i]);
13768 /* Format move number */
13770 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13773 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13775 numtext[0] = NULLCHAR;
13777 numlen = strlen(numtext);
13780 /* Print move number */
13781 blank = linelen > 0 && numlen > 0;
13782 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13791 fprintf(f, "%s", numtext);
13795 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13796 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13799 blank = linelen > 0 && movelen > 0;
13800 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13809 fprintf(f, "%s", move_buffer);
13810 linelen += movelen;
13812 /* [AS] Add PV info if present */
13813 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13814 /* [HGM] add time */
13815 char buf[MSG_SIZ]; int seconds;
13817 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13823 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13826 seconds = (seconds + 4)/10; // round to full seconds
13828 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13830 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13833 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13834 pvInfoList[i].score >= 0 ? "+" : "",
13835 pvInfoList[i].score / 100.0,
13836 pvInfoList[i].depth,
13839 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13841 /* Print score/depth */
13842 blank = linelen > 0 && movelen > 0;
13843 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13852 fprintf(f, "%s", move_buffer);
13853 linelen += movelen;
13859 /* Start a new line */
13860 if (linelen > 0) fprintf(f, "\n");
13862 /* Print comments after last move */
13863 if (commentList[i] != NULL) {
13864 fprintf(f, "%s\n", commentList[i]);
13868 if (gameInfo.resultDetails != NULL &&
13869 gameInfo.resultDetails[0] != NULLCHAR) {
13870 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13871 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13872 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13873 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13874 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13876 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13880 /* Save game in PGN style and close the file */
13882 SaveGamePGN (FILE *f)
13886 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13890 /* Save game in old style and close the file */
13892 SaveGameOldStyle (FILE *f)
13897 tm = time((time_t *) NULL);
13899 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13902 if (backwardMostMove > 0 || startedFromSetupPosition) {
13903 fprintf(f, "\n[--------------\n");
13904 PrintPosition(f, backwardMostMove);
13905 fprintf(f, "--------------]\n");
13910 i = backwardMostMove;
13911 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13913 while (i < forwardMostMove) {
13914 if (commentList[i] != NULL) {
13915 fprintf(f, "[%s]\n", commentList[i]);
13918 if ((i % 2) == 1) {
13919 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13922 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13924 if (commentList[i] != NULL) {
13928 if (i >= forwardMostMove) {
13932 fprintf(f, "%s\n", parseList[i]);
13937 if (commentList[i] != NULL) {
13938 fprintf(f, "[%s]\n", commentList[i]);
13941 /* This isn't really the old style, but it's close enough */
13942 if (gameInfo.resultDetails != NULL &&
13943 gameInfo.resultDetails[0] != NULLCHAR) {
13944 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13945 gameInfo.resultDetails);
13947 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13954 /* Save the current game to open file f and close the file */
13956 SaveGame (FILE *f, int dummy, char *dummy2)
13958 if (gameMode == EditPosition) EditPositionDone(TRUE);
13959 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13960 if (appData.oldSaveStyle)
13961 return SaveGameOldStyle(f);
13963 return SaveGamePGN(f);
13966 /* Save the current position to the given file */
13968 SavePositionToFile (char *filename)
13973 if (strcmp(filename, "-") == 0) {
13974 return SavePosition(stdout, 0, NULL);
13976 f = fopen(filename, "a");
13978 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13979 DisplayError(buf, errno);
13982 safeStrCpy(buf, lastMsg, MSG_SIZ);
13983 DisplayMessage(_("Waiting for access to save file"), "");
13984 flock(fileno(f), LOCK_EX); // [HGM] lock
13985 DisplayMessage(_("Saving position"), "");
13986 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13987 SavePosition(f, 0, NULL);
13988 DisplayMessage(buf, "");
13994 /* Save the current position to the given open file and close the file */
13996 SavePosition (FILE *f, int dummy, char *dummy2)
14001 if (gameMode == EditPosition) EditPositionDone(TRUE);
14002 if (appData.oldSaveStyle) {
14003 tm = time((time_t *) NULL);
14005 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
14007 fprintf(f, "[--------------\n");
14008 PrintPosition(f, currentMove);
14009 fprintf(f, "--------------]\n");
14011 fen = PositionToFEN(currentMove, NULL, 1);
14012 fprintf(f, "%s\n", fen);
14020 ReloadCmailMsgEvent (int unregister)
14023 static char *inFilename = NULL;
14024 static char *outFilename;
14026 struct stat inbuf, outbuf;
14029 /* Any registered moves are unregistered if unregister is set, */
14030 /* i.e. invoked by the signal handler */
14032 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14033 cmailMoveRegistered[i] = FALSE;
14034 if (cmailCommentList[i] != NULL) {
14035 free(cmailCommentList[i]);
14036 cmailCommentList[i] = NULL;
14039 nCmailMovesRegistered = 0;
14042 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
14043 cmailResult[i] = CMAIL_NOT_RESULT;
14047 if (inFilename == NULL) {
14048 /* Because the filenames are static they only get malloced once */
14049 /* and they never get freed */
14050 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
14051 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
14053 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
14054 sprintf(outFilename, "%s.out", appData.cmailGameName);
14057 status = stat(outFilename, &outbuf);
14059 cmailMailedMove = FALSE;
14061 status = stat(inFilename, &inbuf);
14062 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
14065 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
14066 counts the games, notes how each one terminated, etc.
14068 It would be nice to remove this kludge and instead gather all
14069 the information while building the game list. (And to keep it
14070 in the game list nodes instead of having a bunch of fixed-size
14071 parallel arrays.) Note this will require getting each game's
14072 termination from the PGN tags, as the game list builder does
14073 not process the game moves. --mann
14075 cmailMsgLoaded = TRUE;
14076 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
14078 /* Load first game in the file or popup game menu */
14079 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
14081 #endif /* !WIN32 */
14089 char string[MSG_SIZ];
14091 if ( cmailMailedMove
14092 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
14093 return TRUE; /* Allow free viewing */
14096 /* Unregister move to ensure that we don't leave RegisterMove */
14097 /* with the move registered when the conditions for registering no */
14099 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
14100 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
14101 nCmailMovesRegistered --;
14103 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
14105 free(cmailCommentList[lastLoadGameNumber - 1]);
14106 cmailCommentList[lastLoadGameNumber - 1] = NULL;
14110 if (cmailOldMove == -1) {
14111 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
14115 if (currentMove > cmailOldMove + 1) {
14116 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
14120 if (currentMove < cmailOldMove) {
14121 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
14125 if (forwardMostMove > currentMove) {
14126 /* Silently truncate extra moves */
14130 if ( (currentMove == cmailOldMove + 1)
14131 || ( (currentMove == cmailOldMove)
14132 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
14133 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
14134 if (gameInfo.result != GameUnfinished) {
14135 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
14138 if (commentList[currentMove] != NULL) {
14139 cmailCommentList[lastLoadGameNumber - 1]
14140 = StrSave(commentList[currentMove]);
14142 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
14144 if (appData.debugMode)
14145 fprintf(debugFP, "Saving %s for game %d\n",
14146 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
14148 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
14150 f = fopen(string, "w");
14151 if (appData.oldSaveStyle) {
14152 SaveGameOldStyle(f); /* also closes the file */
14154 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
14155 f = fopen(string, "w");
14156 SavePosition(f, 0, NULL); /* also closes the file */
14158 fprintf(f, "{--------------\n");
14159 PrintPosition(f, currentMove);
14160 fprintf(f, "--------------}\n\n");
14162 SaveGame(f, 0, NULL); /* also closes the file*/
14165 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
14166 nCmailMovesRegistered ++;
14167 } else if (nCmailGames == 1) {
14168 DisplayError(_("You have not made a move yet"), 0);
14179 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
14180 FILE *commandOutput;
14181 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
14182 int nBytes = 0; /* Suppress warnings on uninitialized variables */
14188 if (! cmailMsgLoaded) {
14189 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
14193 if (nCmailGames == nCmailResults) {
14194 DisplayError(_("No unfinished games"), 0);
14198 #if CMAIL_PROHIBIT_REMAIL
14199 if (cmailMailedMove) {
14200 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);
14201 DisplayError(msg, 0);
14206 if (! (cmailMailedMove || RegisterMove())) return;
14208 if ( cmailMailedMove
14209 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
14210 snprintf(string, MSG_SIZ, partCommandString,
14211 appData.debugMode ? " -v" : "", appData.cmailGameName);
14212 commandOutput = popen(string, "r");
14214 if (commandOutput == NULL) {
14215 DisplayError(_("Failed to invoke cmail"), 0);
14217 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
14218 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
14220 if (nBuffers > 1) {
14221 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
14222 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
14223 nBytes = MSG_SIZ - 1;
14225 (void) memcpy(msg, buffer, nBytes);
14227 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
14229 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
14230 cmailMailedMove = TRUE; /* Prevent >1 moves */
14233 for (i = 0; i < nCmailGames; i ++) {
14234 if (cmailResult[i] == CMAIL_NOT_RESULT) {
14239 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
14241 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
14243 appData.cmailGameName,
14245 LoadGameFromFile(buffer, 1, buffer, FALSE);
14246 cmailMsgLoaded = FALSE;
14250 DisplayInformation(msg);
14251 pclose(commandOutput);
14254 if ((*cmailMsg) != '\0') {
14255 DisplayInformation(cmailMsg);
14260 #endif /* !WIN32 */
14269 int prependComma = 0;
14271 char string[MSG_SIZ]; /* Space for game-list */
14274 if (!cmailMsgLoaded) return "";
14276 if (cmailMailedMove) {
14277 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
14279 /* Create a list of games left */
14280 snprintf(string, MSG_SIZ, "[");
14281 for (i = 0; i < nCmailGames; i ++) {
14282 if (! ( cmailMoveRegistered[i]
14283 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
14284 if (prependComma) {
14285 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
14287 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
14291 strcat(string, number);
14294 strcat(string, "]");
14296 if (nCmailMovesRegistered + nCmailResults == 0) {
14297 switch (nCmailGames) {
14299 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
14303 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
14307 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14312 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14314 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14319 if (nCmailResults == nCmailGames) {
14320 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14322 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14327 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14339 if (gameMode == Training)
14340 SetTrainingModeOff();
14343 cmailMsgLoaded = FALSE;
14344 if (appData.icsActive) {
14345 SendToICS(ics_prefix);
14346 SendToICS("refresh\n");
14351 ExitEvent (int status)
14355 /* Give up on clean exit */
14359 /* Keep trying for clean exit */
14363 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14364 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14366 if (telnetISR != NULL) {
14367 RemoveInputSource(telnetISR);
14369 if (icsPR != NoProc) {
14370 DestroyChildProcess(icsPR, TRUE);
14373 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14374 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14376 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14377 /* make sure this other one finishes before killing it! */
14378 if(endingGame) { int count = 0;
14379 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14380 while(endingGame && count++ < 10) DoSleep(1);
14381 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14384 /* Kill off chess programs */
14385 if (first.pr != NoProc) {
14388 DoSleep( appData.delayBeforeQuit );
14389 SendToProgram("quit\n", &first);
14390 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14392 if (second.pr != NoProc) {
14393 DoSleep( appData.delayBeforeQuit );
14394 SendToProgram("quit\n", &second);
14395 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14397 if (first.isr != NULL) {
14398 RemoveInputSource(first.isr);
14400 if (second.isr != NULL) {
14401 RemoveInputSource(second.isr);
14404 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14405 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14407 ShutDownFrontEnd();
14412 PauseEngine (ChessProgramState *cps)
14414 SendToProgram("pause\n", cps);
14419 UnPauseEngine (ChessProgramState *cps)
14421 SendToProgram("resume\n", cps);
14428 if (appData.debugMode)
14429 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14433 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14435 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14436 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14437 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14439 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14440 HandleMachineMove(stashedInputMove, stalledEngine);
14441 stalledEngine = NULL;
14444 if (gameMode == MachinePlaysWhite ||
14445 gameMode == TwoMachinesPlay ||
14446 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14447 if(first.pause) UnPauseEngine(&first);
14448 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14449 if(second.pause) UnPauseEngine(&second);
14450 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14453 DisplayBothClocks();
14455 if (gameMode == PlayFromGameFile) {
14456 if (appData.timeDelay >= 0)
14457 AutoPlayGameLoop();
14458 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14459 Reset(FALSE, TRUE);
14460 SendToICS(ics_prefix);
14461 SendToICS("refresh\n");
14462 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14463 ForwardInner(forwardMostMove);
14465 pauseExamInvalid = FALSE;
14467 switch (gameMode) {
14471 pauseExamForwardMostMove = forwardMostMove;
14472 pauseExamInvalid = FALSE;
14475 case IcsPlayingWhite:
14476 case IcsPlayingBlack:
14480 case PlayFromGameFile:
14481 (void) StopLoadGameTimer();
14485 case BeginningOfGame:
14486 if (appData.icsActive) return;
14487 /* else fall through */
14488 case MachinePlaysWhite:
14489 case MachinePlaysBlack:
14490 case TwoMachinesPlay:
14491 if (forwardMostMove == 0)
14492 return; /* don't pause if no one has moved */
14493 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14494 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14495 if(onMove->pause) { // thinking engine can be paused
14496 PauseEngine(onMove); // do it
14497 if(onMove->other->pause) // pondering opponent can always be paused immediately
14498 PauseEngine(onMove->other);
14500 SendToProgram("easy\n", onMove->other);
14502 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14503 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14505 PauseEngine(&first);
14507 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14508 } else { // human on move, pause pondering by either method
14510 PauseEngine(&first);
14511 else if(appData.ponderNextMove)
14512 SendToProgram("easy\n", &first);
14515 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14525 EditCommentEvent ()
14527 char title[MSG_SIZ];
14529 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14530 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14532 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14533 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14534 parseList[currentMove - 1]);
14537 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14544 char *tags = PGNTags(&gameInfo);
14546 EditTagsPopUp(tags, NULL);
14553 if(second.analyzing) {
14554 SendToProgram("exit\n", &second);
14555 second.analyzing = FALSE;
14557 if (second.pr == NoProc) StartChessProgram(&second);
14558 InitChessProgram(&second, FALSE);
14559 FeedMovesToProgram(&second, currentMove);
14561 SendToProgram("analyze\n", &second);
14562 second.analyzing = TRUE;
14566 /* Toggle ShowThinking */
14568 ToggleShowThinking()
14570 appData.showThinking = !appData.showThinking;
14571 ShowThinkingEvent();
14575 AnalyzeModeEvent ()
14579 if (!first.analysisSupport) {
14580 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14581 DisplayError(buf, 0);
14584 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14585 if (appData.icsActive) {
14586 if (gameMode != IcsObserving) {
14587 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14588 DisplayError(buf, 0);
14590 if (appData.icsEngineAnalyze) {
14591 if (appData.debugMode)
14592 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14598 /* if enable, user wants to disable icsEngineAnalyze */
14599 if (appData.icsEngineAnalyze) {
14604 appData.icsEngineAnalyze = TRUE;
14605 if (appData.debugMode)
14606 fprintf(debugFP, "ICS engine analyze starting... \n");
14609 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14610 if (appData.noChessProgram || gameMode == AnalyzeMode)
14613 if (gameMode != AnalyzeFile) {
14614 if (!appData.icsEngineAnalyze) {
14616 if (gameMode != EditGame) return 0;
14618 if (!appData.showThinking) ToggleShowThinking();
14619 ResurrectChessProgram();
14620 SendToProgram("analyze\n", &first);
14621 first.analyzing = TRUE;
14622 /*first.maybeThinking = TRUE;*/
14623 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14624 EngineOutputPopUp();
14626 if (!appData.icsEngineAnalyze) {
14627 gameMode = AnalyzeMode;
14628 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14634 StartAnalysisClock();
14635 GetTimeMark(&lastNodeCountTime);
14641 AnalyzeFileEvent ()
14643 if (appData.noChessProgram || gameMode == AnalyzeFile)
14646 if (!first.analysisSupport) {
14648 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14649 DisplayError(buf, 0);
14653 if (gameMode != AnalyzeMode) {
14654 keepInfo = 1; // mere annotating should not alter PGN tags
14657 if (gameMode != EditGame) return;
14658 if (!appData.showThinking) ToggleShowThinking();
14659 ResurrectChessProgram();
14660 SendToProgram("analyze\n", &first);
14661 first.analyzing = TRUE;
14662 /*first.maybeThinking = TRUE;*/
14663 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14664 EngineOutputPopUp();
14666 gameMode = AnalyzeFile;
14670 StartAnalysisClock();
14671 GetTimeMark(&lastNodeCountTime);
14673 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14674 AnalysisPeriodicEvent(1);
14678 MachineWhiteEvent ()
14681 char *bookHit = NULL;
14683 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14687 if (gameMode == PlayFromGameFile ||
14688 gameMode == TwoMachinesPlay ||
14689 gameMode == Training ||
14690 gameMode == AnalyzeMode ||
14691 gameMode == EndOfGame)
14694 if (gameMode == EditPosition)
14695 EditPositionDone(TRUE);
14697 if (!WhiteOnMove(currentMove)) {
14698 DisplayError(_("It is not White's turn"), 0);
14702 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14705 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14706 gameMode == AnalyzeFile)
14709 ResurrectChessProgram(); /* in case it isn't running */
14710 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14711 gameMode = MachinePlaysWhite;
14714 gameMode = MachinePlaysWhite;
14718 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14720 if (first.sendName) {
14721 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14722 SendToProgram(buf, &first);
14724 if (first.sendTime) {
14725 if (first.useColors) {
14726 SendToProgram("black\n", &first); /*gnu kludge*/
14728 SendTimeRemaining(&first, TRUE);
14730 if (first.useColors) {
14731 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14733 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14734 SetMachineThinkingEnables();
14735 first.maybeThinking = TRUE;
14739 if (appData.autoFlipView && !flipView) {
14740 flipView = !flipView;
14741 DrawPosition(FALSE, NULL);
14742 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14745 if(bookHit) { // [HGM] book: simulate book reply
14746 static char bookMove[MSG_SIZ]; // a bit generous?
14748 programStats.nodes = programStats.depth = programStats.time =
14749 programStats.score = programStats.got_only_move = 0;
14750 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14752 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14753 strcat(bookMove, bookHit);
14754 HandleMachineMove(bookMove, &first);
14759 MachineBlackEvent ()
14762 char *bookHit = NULL;
14764 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14768 if (gameMode == PlayFromGameFile ||
14769 gameMode == TwoMachinesPlay ||
14770 gameMode == Training ||
14771 gameMode == AnalyzeMode ||
14772 gameMode == EndOfGame)
14775 if (gameMode == EditPosition)
14776 EditPositionDone(TRUE);
14778 if (WhiteOnMove(currentMove)) {
14779 DisplayError(_("It is not Black's turn"), 0);
14783 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14786 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14787 gameMode == AnalyzeFile)
14790 ResurrectChessProgram(); /* in case it isn't running */
14791 gameMode = MachinePlaysBlack;
14795 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14797 if (first.sendName) {
14798 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14799 SendToProgram(buf, &first);
14801 if (first.sendTime) {
14802 if (first.useColors) {
14803 SendToProgram("white\n", &first); /*gnu kludge*/
14805 SendTimeRemaining(&first, FALSE);
14807 if (first.useColors) {
14808 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14810 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14811 SetMachineThinkingEnables();
14812 first.maybeThinking = TRUE;
14815 if (appData.autoFlipView && flipView) {
14816 flipView = !flipView;
14817 DrawPosition(FALSE, NULL);
14818 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14820 if(bookHit) { // [HGM] book: simulate book reply
14821 static char bookMove[MSG_SIZ]; // a bit generous?
14823 programStats.nodes = programStats.depth = programStats.time =
14824 programStats.score = programStats.got_only_move = 0;
14825 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14827 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14828 strcat(bookMove, bookHit);
14829 HandleMachineMove(bookMove, &first);
14835 DisplayTwoMachinesTitle ()
14838 if (appData.matchGames > 0) {
14839 if(appData.tourneyFile[0]) {
14840 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14841 gameInfo.white, _("vs."), gameInfo.black,
14842 nextGame+1, appData.matchGames+1,
14843 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14845 if (first.twoMachinesColor[0] == 'w') {
14846 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14847 gameInfo.white, _("vs."), gameInfo.black,
14848 first.matchWins, second.matchWins,
14849 matchGame - 1 - (first.matchWins + second.matchWins));
14851 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14852 gameInfo.white, _("vs."), gameInfo.black,
14853 second.matchWins, first.matchWins,
14854 matchGame - 1 - (first.matchWins + second.matchWins));
14857 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14863 SettingsMenuIfReady ()
14865 if (second.lastPing != second.lastPong) {
14866 DisplayMessage("", _("Waiting for second chess program"));
14867 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14871 DisplayMessage("", "");
14872 SettingsPopUp(&second);
14876 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14879 if (cps->pr == NoProc) {
14880 StartChessProgram(cps);
14881 if (cps->protocolVersion == 1) {
14883 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14885 /* kludge: allow timeout for initial "feature" command */
14886 if(retry != TwoMachinesEventIfReady) FreezeUI();
14887 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14888 DisplayMessage("", buf);
14889 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14897 TwoMachinesEvent P((void))
14901 ChessProgramState *onmove;
14902 char *bookHit = NULL;
14903 static int stalling = 0;
14907 if (appData.noChessProgram) return;
14909 switch (gameMode) {
14910 case TwoMachinesPlay:
14912 case MachinePlaysWhite:
14913 case MachinePlaysBlack:
14914 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14915 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14919 case BeginningOfGame:
14920 case PlayFromGameFile:
14923 if (gameMode != EditGame) return;
14926 EditPositionDone(TRUE);
14937 // forwardMostMove = currentMove;
14938 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14939 startingEngine = TRUE;
14941 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14943 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14944 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14945 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14948 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14950 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14951 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14952 startingEngine = matchMode = FALSE;
14953 DisplayError("second engine does not play this", 0);
14954 gameMode = TwoMachinesPlay; ModeHighlight(); // Needed to make sure menu item is unchecked
14955 EditGameEvent(); // switch back to EditGame mode
14960 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14961 SendToProgram("force\n", &second);
14963 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14966 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14967 if(appData.matchPause>10000 || appData.matchPause<10)
14968 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14969 wait = SubtractTimeMarks(&now, &pauseStart);
14970 if(wait < appData.matchPause) {
14971 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14974 // we are now committed to starting the game
14976 DisplayMessage("", "");
14977 if (startedFromSetupPosition) {
14978 SendBoard(&second, backwardMostMove);
14979 if (appData.debugMode) {
14980 fprintf(debugFP, "Two Machines\n");
14983 for (i = backwardMostMove; i < forwardMostMove; i++) {
14984 SendMoveToProgram(i, &second);
14987 gameMode = TwoMachinesPlay;
14988 pausing = startingEngine = FALSE;
14989 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14991 DisplayTwoMachinesTitle();
14993 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14998 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14999 SendToProgram(first.computerString, &first);
15000 if (first.sendName) {
15001 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
15002 SendToProgram(buf, &first);
15004 SendToProgram(second.computerString, &second);
15005 if (second.sendName) {
15006 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
15007 SendToProgram(buf, &second);
15011 if (!first.sendTime || !second.sendTime) {
15012 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15013 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15015 if (onmove->sendTime) {
15016 if (onmove->useColors) {
15017 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
15019 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
15021 if (onmove->useColors) {
15022 SendToProgram(onmove->twoMachinesColor, onmove);
15024 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
15025 // SendToProgram("go\n", onmove);
15026 onmove->maybeThinking = TRUE;
15027 SetMachineThinkingEnables();
15031 if(bookHit) { // [HGM] book: simulate book reply
15032 static char bookMove[MSG_SIZ]; // a bit generous?
15034 programStats.nodes = programStats.depth = programStats.time =
15035 programStats.score = programStats.got_only_move = 0;
15036 sprintf(programStats.movelist, "%s (xbook)", bookHit);
15038 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
15039 strcat(bookMove, bookHit);
15040 savedMessage = bookMove; // args for deferred call
15041 savedState = onmove;
15042 ScheduleDelayedEvent(DeferredBookMove, 1);
15049 if (gameMode == Training) {
15050 SetTrainingModeOff();
15051 gameMode = PlayFromGameFile;
15052 DisplayMessage("", _("Training mode off"));
15054 gameMode = Training;
15055 animateTraining = appData.animate;
15057 /* make sure we are not already at the end of the game */
15058 if (currentMove < forwardMostMove) {
15059 SetTrainingModeOn();
15060 DisplayMessage("", _("Training mode on"));
15062 gameMode = PlayFromGameFile;
15063 DisplayError(_("Already at end of game"), 0);
15072 if (!appData.icsActive) return;
15073 switch (gameMode) {
15074 case IcsPlayingWhite:
15075 case IcsPlayingBlack:
15078 case BeginningOfGame:
15086 EditPositionDone(TRUE);
15099 gameMode = IcsIdle;
15109 switch (gameMode) {
15111 SetTrainingModeOff();
15113 case MachinePlaysWhite:
15114 case MachinePlaysBlack:
15115 case BeginningOfGame:
15116 SendToProgram("force\n", &first);
15117 if(gameMode == (forwardMostMove & 1 ? MachinePlaysBlack : MachinePlaysWhite)) { // engine is thinking
15118 if (first.usePing) { // [HGM] always send ping when we might interrupt machine thinking
15120 abortEngineThink = TRUE;
15121 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++first.lastPing);
15122 SendToProgram(buf, &first);
15123 DisplayMessage("Aborting engine think", "");
15127 SetUserThinkingEnables();
15129 case PlayFromGameFile:
15130 (void) StopLoadGameTimer();
15131 if (gameFileFP != NULL) {
15136 EditPositionDone(TRUE);
15141 SendToProgram("force\n", &first);
15143 case TwoMachinesPlay:
15144 GameEnds(EndOfFile, NULL, GE_PLAYER);
15145 ResurrectChessProgram();
15146 SetUserThinkingEnables();
15149 ResurrectChessProgram();
15151 case IcsPlayingBlack:
15152 case IcsPlayingWhite:
15153 DisplayError(_("Warning: You are still playing a game"), 0);
15156 DisplayError(_("Warning: You are still observing a game"), 0);
15159 DisplayError(_("Warning: You are still examining a game"), 0);
15170 first.offeredDraw = second.offeredDraw = 0;
15172 if (gameMode == PlayFromGameFile) {
15173 whiteTimeRemaining = timeRemaining[0][currentMove];
15174 blackTimeRemaining = timeRemaining[1][currentMove];
15178 if (gameMode == MachinePlaysWhite ||
15179 gameMode == MachinePlaysBlack ||
15180 gameMode == TwoMachinesPlay ||
15181 gameMode == EndOfGame) {
15182 i = forwardMostMove;
15183 while (i > currentMove) {
15184 SendToProgram("undo\n", &first);
15187 if(!adjustedClock) {
15188 whiteTimeRemaining = timeRemaining[0][currentMove];
15189 blackTimeRemaining = timeRemaining[1][currentMove];
15190 DisplayBothClocks();
15192 if (whiteFlag || blackFlag) {
15193 whiteFlag = blackFlag = 0;
15198 gameMode = EditGame;
15205 EditPositionEvent ()
15207 if (gameMode == EditPosition) {
15213 if (gameMode != EditGame) return;
15215 gameMode = EditPosition;
15218 if (currentMove > 0)
15219 CopyBoard(boards[0], boards[currentMove]);
15221 blackPlaysFirst = !WhiteOnMove(currentMove);
15223 currentMove = forwardMostMove = backwardMostMove = 0;
15224 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15226 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
15232 /* [DM] icsEngineAnalyze - possible call from other functions */
15233 if (appData.icsEngineAnalyze) {
15234 appData.icsEngineAnalyze = FALSE;
15236 DisplayMessage("",_("Close ICS engine analyze..."));
15238 if (first.analysisSupport && first.analyzing) {
15239 SendToBoth("exit\n");
15240 first.analyzing = second.analyzing = FALSE;
15242 thinkOutput[0] = NULLCHAR;
15246 EditPositionDone (Boolean fakeRights)
15248 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
15250 startedFromSetupPosition = TRUE;
15251 InitChessProgram(&first, FALSE);
15252 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
15253 boards[0][EP_STATUS] = EP_NONE;
15254 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
15255 if(boards[0][0][BOARD_WIDTH>>1] == king) {
15256 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
15257 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
15258 } else boards[0][CASTLING][2] = NoRights;
15259 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
15260 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
15261 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
15262 } else boards[0][CASTLING][5] = NoRights;
15263 if(gameInfo.variant == VariantSChess) {
15265 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
15266 boards[0][VIRGIN][i] = 0;
15267 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
15268 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
15272 SendToProgram("force\n", &first);
15273 if (blackPlaysFirst) {
15274 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
15275 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
15276 currentMove = forwardMostMove = backwardMostMove = 1;
15277 CopyBoard(boards[1], boards[0]);
15279 currentMove = forwardMostMove = backwardMostMove = 0;
15281 SendBoard(&first, forwardMostMove);
15282 if (appData.debugMode) {
15283 fprintf(debugFP, "EditPosDone\n");
15286 DisplayMessage("", "");
15287 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
15288 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
15289 gameMode = EditGame;
15291 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
15292 ClearHighlights(); /* [AS] */
15295 /* Pause for `ms' milliseconds */
15296 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15298 TimeDelay (long ms)
15305 } while (SubtractTimeMarks(&m2, &m1) < ms);
15308 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
15310 SendMultiLineToICS (char *buf)
15312 char temp[MSG_SIZ+1], *p;
15319 strncpy(temp, buf, len);
15324 if (*p == '\n' || *p == '\r')
15329 strcat(temp, "\n");
15331 SendToPlayer(temp, strlen(temp));
15335 SetWhiteToPlayEvent ()
15337 if (gameMode == EditPosition) {
15338 blackPlaysFirst = FALSE;
15339 DisplayBothClocks(); /* works because currentMove is 0 */
15340 } else if (gameMode == IcsExamining) {
15341 SendToICS(ics_prefix);
15342 SendToICS("tomove white\n");
15347 SetBlackToPlayEvent ()
15349 if (gameMode == EditPosition) {
15350 blackPlaysFirst = TRUE;
15351 currentMove = 1; /* kludge */
15352 DisplayBothClocks();
15354 } else if (gameMode == IcsExamining) {
15355 SendToICS(ics_prefix);
15356 SendToICS("tomove black\n");
15361 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15364 ChessSquare piece = boards[0][y][x];
15365 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15366 static int lastVariant;
15368 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15370 switch (selection) {
15372 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15373 MarkTargetSquares(1);
15374 CopyBoard(currentBoard, boards[0]);
15375 CopyBoard(menuBoard, initialPosition);
15376 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15377 SendToICS(ics_prefix);
15378 SendToICS("bsetup clear\n");
15379 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15380 SendToICS(ics_prefix);
15381 SendToICS("clearboard\n");
15384 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15385 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15386 for (y = 0; y < BOARD_HEIGHT; y++) {
15387 if (gameMode == IcsExamining) {
15388 if (boards[currentMove][y][x] != EmptySquare) {
15389 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15393 } else if(boards[0][y][x] != DarkSquare) {
15394 if(boards[0][y][x] != p) nonEmpty++;
15395 boards[0][y][x] = p;
15399 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15401 for(r = 0; r < BOARD_HEIGHT; r++) {
15402 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15403 ChessSquare p = menuBoard[r][x];
15404 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15407 DisplayMessage("Clicking clock again restores position", "");
15408 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15409 if(!nonEmpty) { // asked to clear an empty board
15410 CopyBoard(boards[0], menuBoard);
15412 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15413 CopyBoard(boards[0], initialPosition);
15415 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15416 && !CompareBoards(nullBoard, erasedBoard)) {
15417 CopyBoard(boards[0], erasedBoard);
15419 CopyBoard(erasedBoard, currentBoard);
15423 if (gameMode == EditPosition) {
15424 DrawPosition(FALSE, boards[0]);
15429 SetWhiteToPlayEvent();
15433 SetBlackToPlayEvent();
15437 if (gameMode == IcsExamining) {
15438 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15439 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15442 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15443 if(x == BOARD_LEFT-2) {
15444 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15445 boards[0][y][1] = 0;
15447 if(x == BOARD_RGHT+1) {
15448 if(y >= gameInfo.holdingsSize) break;
15449 boards[0][y][BOARD_WIDTH-2] = 0;
15452 boards[0][y][x] = EmptySquare;
15453 DrawPosition(FALSE, boards[0]);
15458 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15459 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15460 selection = (ChessSquare) (PROMOTED(piece));
15461 } else if(piece == EmptySquare) selection = WhiteSilver;
15462 else selection = (ChessSquare)((int)piece - 1);
15466 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15467 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15468 selection = (ChessSquare) (DEMOTED(piece));
15469 } else if(piece == EmptySquare) selection = BlackSilver;
15470 else selection = (ChessSquare)((int)piece + 1);
15475 if(gameInfo.variant == VariantShatranj ||
15476 gameInfo.variant == VariantXiangqi ||
15477 gameInfo.variant == VariantCourier ||
15478 gameInfo.variant == VariantASEAN ||
15479 gameInfo.variant == VariantMakruk )
15480 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15485 if(gameInfo.variant == VariantXiangqi)
15486 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15487 if(gameInfo.variant == VariantKnightmate)
15488 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15491 if (gameMode == IcsExamining) {
15492 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15493 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15494 PieceToChar(selection), AAA + x, ONE + y);
15497 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15499 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15500 n = PieceToNumber(selection - BlackPawn);
15501 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15502 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15503 boards[0][BOARD_HEIGHT-1-n][1]++;
15505 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15506 n = PieceToNumber(selection);
15507 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15508 boards[0][n][BOARD_WIDTH-1] = selection;
15509 boards[0][n][BOARD_WIDTH-2]++;
15512 boards[0][y][x] = selection;
15513 DrawPosition(TRUE, boards[0]);
15515 fromX = fromY = -1;
15523 DropMenuEvent (ChessSquare selection, int x, int y)
15525 ChessMove moveType;
15527 switch (gameMode) {
15528 case IcsPlayingWhite:
15529 case MachinePlaysBlack:
15530 if (!WhiteOnMove(currentMove)) {
15531 DisplayMoveError(_("It is Black's turn"));
15534 moveType = WhiteDrop;
15536 case IcsPlayingBlack:
15537 case MachinePlaysWhite:
15538 if (WhiteOnMove(currentMove)) {
15539 DisplayMoveError(_("It is White's turn"));
15542 moveType = BlackDrop;
15545 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15551 if (moveType == BlackDrop && selection < BlackPawn) {
15552 selection = (ChessSquare) ((int) selection
15553 + (int) BlackPawn - (int) WhitePawn);
15555 if (boards[currentMove][y][x] != EmptySquare) {
15556 DisplayMoveError(_("That square is occupied"));
15560 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15566 /* Accept a pending offer of any kind from opponent */
15568 if (appData.icsActive) {
15569 SendToICS(ics_prefix);
15570 SendToICS("accept\n");
15571 } else if (cmailMsgLoaded) {
15572 if (currentMove == cmailOldMove &&
15573 commentList[cmailOldMove] != NULL &&
15574 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15575 "Black offers a draw" : "White offers a draw")) {
15577 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15578 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15580 DisplayError(_("There is no pending offer on this move"), 0);
15581 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15584 /* Not used for offers from chess program */
15591 /* Decline a pending offer of any kind from opponent */
15593 if (appData.icsActive) {
15594 SendToICS(ics_prefix);
15595 SendToICS("decline\n");
15596 } else if (cmailMsgLoaded) {
15597 if (currentMove == cmailOldMove &&
15598 commentList[cmailOldMove] != NULL &&
15599 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15600 "Black offers a draw" : "White offers a draw")) {
15602 AppendComment(cmailOldMove, "Draw declined", TRUE);
15603 DisplayComment(cmailOldMove - 1, "Draw declined");
15606 DisplayError(_("There is no pending offer on this move"), 0);
15609 /* Not used for offers from chess program */
15616 /* Issue ICS rematch command */
15617 if (appData.icsActive) {
15618 SendToICS(ics_prefix);
15619 SendToICS("rematch\n");
15626 /* Call your opponent's flag (claim a win on time) */
15627 if (appData.icsActive) {
15628 SendToICS(ics_prefix);
15629 SendToICS("flag\n");
15631 switch (gameMode) {
15634 case MachinePlaysWhite:
15637 GameEnds(GameIsDrawn, "Both players ran out of time",
15640 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15642 DisplayError(_("Your opponent is not out of time"), 0);
15645 case MachinePlaysBlack:
15648 GameEnds(GameIsDrawn, "Both players ran out of time",
15651 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15653 DisplayError(_("Your opponent is not out of time"), 0);
15661 ClockClick (int which)
15662 { // [HGM] code moved to back-end from winboard.c
15663 if(which) { // black clock
15664 if (gameMode == EditPosition || gameMode == IcsExamining) {
15665 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15666 SetBlackToPlayEvent();
15667 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15668 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15669 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15670 } else if (shiftKey) {
15671 AdjustClock(which, -1);
15672 } else if (gameMode == IcsPlayingWhite ||
15673 gameMode == MachinePlaysBlack) {
15676 } else { // white clock
15677 if (gameMode == EditPosition || gameMode == IcsExamining) {
15678 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15679 SetWhiteToPlayEvent();
15680 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15681 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15682 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15683 } else if (shiftKey) {
15684 AdjustClock(which, -1);
15685 } else if (gameMode == IcsPlayingBlack ||
15686 gameMode == MachinePlaysWhite) {
15695 /* Offer draw or accept pending draw offer from opponent */
15697 if (appData.icsActive) {
15698 /* Note: tournament rules require draw offers to be
15699 made after you make your move but before you punch
15700 your clock. Currently ICS doesn't let you do that;
15701 instead, you immediately punch your clock after making
15702 a move, but you can offer a draw at any time. */
15704 SendToICS(ics_prefix);
15705 SendToICS("draw\n");
15706 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15707 } else if (cmailMsgLoaded) {
15708 if (currentMove == cmailOldMove &&
15709 commentList[cmailOldMove] != NULL &&
15710 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15711 "Black offers a draw" : "White offers a draw")) {
15712 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15713 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15714 } else if (currentMove == cmailOldMove + 1) {
15715 char *offer = WhiteOnMove(cmailOldMove) ?
15716 "White offers a draw" : "Black offers a draw";
15717 AppendComment(currentMove, offer, TRUE);
15718 DisplayComment(currentMove - 1, offer);
15719 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15721 DisplayError(_("You must make your move before offering a draw"), 0);
15722 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15724 } else if (first.offeredDraw) {
15725 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15727 if (first.sendDrawOffers) {
15728 SendToProgram("draw\n", &first);
15729 userOfferedDraw = TRUE;
15737 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15739 if (appData.icsActive) {
15740 SendToICS(ics_prefix);
15741 SendToICS("adjourn\n");
15743 /* Currently GNU Chess doesn't offer or accept Adjourns */
15751 /* Offer Abort or accept pending Abort offer from opponent */
15753 if (appData.icsActive) {
15754 SendToICS(ics_prefix);
15755 SendToICS("abort\n");
15757 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15764 /* Resign. You can do this even if it's not your turn. */
15766 if (appData.icsActive) {
15767 SendToICS(ics_prefix);
15768 SendToICS("resign\n");
15770 switch (gameMode) {
15771 case MachinePlaysWhite:
15772 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15774 case MachinePlaysBlack:
15775 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15778 if (cmailMsgLoaded) {
15780 if (WhiteOnMove(cmailOldMove)) {
15781 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15783 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15785 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15796 StopObservingEvent ()
15798 /* Stop observing current games */
15799 SendToICS(ics_prefix);
15800 SendToICS("unobserve\n");
15804 StopExaminingEvent ()
15806 /* Stop observing current game */
15807 SendToICS(ics_prefix);
15808 SendToICS("unexamine\n");
15812 ForwardInner (int target)
15814 int limit; int oldSeekGraphUp = seekGraphUp;
15816 if (appData.debugMode)
15817 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15818 target, currentMove, forwardMostMove);
15820 if (gameMode == EditPosition)
15823 seekGraphUp = FALSE;
15824 MarkTargetSquares(1);
15825 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15827 if (gameMode == PlayFromGameFile && !pausing)
15830 if (gameMode == IcsExamining && pausing)
15831 limit = pauseExamForwardMostMove;
15833 limit = forwardMostMove;
15835 if (target > limit) target = limit;
15837 if (target > 0 && moveList[target - 1][0]) {
15838 int fromX, fromY, toX, toY;
15839 toX = moveList[target - 1][2] - AAA;
15840 toY = moveList[target - 1][3] - ONE;
15841 if (moveList[target - 1][1] == '@') {
15842 if (appData.highlightLastMove) {
15843 SetHighlights(-1, -1, toX, toY);
15846 int viaX = moveList[target - 1][5] - AAA;
15847 int viaY = moveList[target - 1][6] - ONE;
15848 fromX = moveList[target - 1][0] - AAA;
15849 fromY = moveList[target - 1][1] - ONE;
15850 if (target == currentMove + 1) {
15851 if(moveList[target - 1][4] == ';') { // multi-leg
15852 ChessSquare piece = boards[currentMove][viaY][viaX];
15853 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15854 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15855 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15856 boards[currentMove][viaY][viaX] = piece;
15858 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15860 if (appData.highlightLastMove) {
15861 SetHighlights(fromX, fromY, toX, toY);
15865 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15866 gameMode == Training || gameMode == PlayFromGameFile ||
15867 gameMode == AnalyzeFile) {
15868 while (currentMove < target) {
15869 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15870 SendMoveToProgram(currentMove++, &first);
15873 currentMove = target;
15876 if (gameMode == EditGame || gameMode == EndOfGame) {
15877 whiteTimeRemaining = timeRemaining[0][currentMove];
15878 blackTimeRemaining = timeRemaining[1][currentMove];
15880 DisplayBothClocks();
15881 DisplayMove(currentMove - 1);
15882 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15883 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15884 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15885 DisplayComment(currentMove - 1, commentList[currentMove]);
15887 ClearMap(); // [HGM] exclude: invalidate map
15894 if (gameMode == IcsExamining && !pausing) {
15895 SendToICS(ics_prefix);
15896 SendToICS("forward\n");
15898 ForwardInner(currentMove + 1);
15905 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15906 /* to optimze, we temporarily turn off analysis mode while we feed
15907 * the remaining moves to the engine. Otherwise we get analysis output
15910 if (first.analysisSupport) {
15911 SendToProgram("exit\nforce\n", &first);
15912 first.analyzing = FALSE;
15916 if (gameMode == IcsExamining && !pausing) {
15917 SendToICS(ics_prefix);
15918 SendToICS("forward 999999\n");
15920 ForwardInner(forwardMostMove);
15923 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15924 /* we have fed all the moves, so reactivate analysis mode */
15925 SendToProgram("analyze\n", &first);
15926 first.analyzing = TRUE;
15927 /*first.maybeThinking = TRUE;*/
15928 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15933 BackwardInner (int target)
15935 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15937 if (appData.debugMode)
15938 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15939 target, currentMove, forwardMostMove);
15941 if (gameMode == EditPosition) return;
15942 seekGraphUp = FALSE;
15943 MarkTargetSquares(1);
15944 fromX = fromY = killX = killY = -1; // [HGM] abort any move entry in progress
15945 if (currentMove <= backwardMostMove) {
15947 DrawPosition(full_redraw, boards[currentMove]);
15950 if (gameMode == PlayFromGameFile && !pausing)
15953 if (moveList[target][0]) {
15954 int fromX, fromY, toX, toY;
15955 toX = moveList[target][2] - AAA;
15956 toY = moveList[target][3] - ONE;
15957 if (moveList[target][1] == '@') {
15958 if (appData.highlightLastMove) {
15959 SetHighlights(-1, -1, toX, toY);
15962 fromX = moveList[target][0] - AAA;
15963 fromY = moveList[target][1] - ONE;
15964 if (target == currentMove - 1) {
15965 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15967 if (appData.highlightLastMove) {
15968 SetHighlights(fromX, fromY, toX, toY);
15972 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15973 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15974 while (currentMove > target) {
15975 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15976 // null move cannot be undone. Reload program with move history before it.
15978 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15979 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15981 SendBoard(&first, i);
15982 if(second.analyzing) SendBoard(&second, i);
15983 for(currentMove=i; currentMove<target; currentMove++) {
15984 SendMoveToProgram(currentMove, &first);
15985 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15989 SendToBoth("undo\n");
15993 currentMove = target;
15996 if (gameMode == EditGame || gameMode == EndOfGame) {
15997 whiteTimeRemaining = timeRemaining[0][currentMove];
15998 blackTimeRemaining = timeRemaining[1][currentMove];
16000 DisplayBothClocks();
16001 DisplayMove(currentMove - 1);
16002 DrawPosition(full_redraw, boards[currentMove]);
16003 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
16004 // [HGM] PV info: routine tests if comment empty
16005 DisplayComment(currentMove - 1, commentList[currentMove]);
16006 ClearMap(); // [HGM] exclude: invalidate map
16012 if (gameMode == IcsExamining && !pausing) {
16013 SendToICS(ics_prefix);
16014 SendToICS("backward\n");
16016 BackwardInner(currentMove - 1);
16023 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16024 /* to optimize, we temporarily turn off analysis mode while we undo
16025 * all the moves. Otherwise we get analysis output after each undo.
16027 if (first.analysisSupport) {
16028 SendToProgram("exit\nforce\n", &first);
16029 first.analyzing = FALSE;
16033 if (gameMode == IcsExamining && !pausing) {
16034 SendToICS(ics_prefix);
16035 SendToICS("backward 999999\n");
16037 BackwardInner(backwardMostMove);
16040 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16041 /* we have fed all the moves, so reactivate analysis mode */
16042 SendToProgram("analyze\n", &first);
16043 first.analyzing = TRUE;
16044 /*first.maybeThinking = TRUE;*/
16045 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
16052 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
16053 if (to >= forwardMostMove) to = forwardMostMove;
16054 if (to <= backwardMostMove) to = backwardMostMove;
16055 if (to < currentMove) {
16063 RevertEvent (Boolean annotate)
16065 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
16068 if (gameMode != IcsExamining) {
16069 DisplayError(_("You are not examining a game"), 0);
16073 DisplayError(_("You can't revert while pausing"), 0);
16076 SendToICS(ics_prefix);
16077 SendToICS("revert\n");
16081 RetractMoveEvent ()
16083 switch (gameMode) {
16084 case MachinePlaysWhite:
16085 case MachinePlaysBlack:
16086 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
16087 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
16090 if (forwardMostMove < 2) return;
16091 currentMove = forwardMostMove = forwardMostMove - 2;
16092 whiteTimeRemaining = timeRemaining[0][currentMove];
16093 blackTimeRemaining = timeRemaining[1][currentMove];
16094 DisplayBothClocks();
16095 DisplayMove(currentMove - 1);
16096 ClearHighlights();/*!! could figure this out*/
16097 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
16098 SendToProgram("remove\n", &first);
16099 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
16102 case BeginningOfGame:
16106 case IcsPlayingWhite:
16107 case IcsPlayingBlack:
16108 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
16109 SendToICS(ics_prefix);
16110 SendToICS("takeback 2\n");
16112 SendToICS(ics_prefix);
16113 SendToICS("takeback 1\n");
16122 ChessProgramState *cps;
16124 switch (gameMode) {
16125 case MachinePlaysWhite:
16126 if (!WhiteOnMove(forwardMostMove)) {
16127 DisplayError(_("It is your turn"), 0);
16132 case MachinePlaysBlack:
16133 if (WhiteOnMove(forwardMostMove)) {
16134 DisplayError(_("It is your turn"), 0);
16139 case TwoMachinesPlay:
16140 if (WhiteOnMove(forwardMostMove) ==
16141 (first.twoMachinesColor[0] == 'w')) {
16147 case BeginningOfGame:
16151 SendToProgram("?\n", cps);
16155 TruncateGameEvent ()
16158 if (gameMode != EditGame) return;
16165 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
16166 if (forwardMostMove > currentMove) {
16167 if (gameInfo.resultDetails != NULL) {
16168 free(gameInfo.resultDetails);
16169 gameInfo.resultDetails = NULL;
16170 gameInfo.result = GameUnfinished;
16172 forwardMostMove = currentMove;
16173 HistorySet(parseList, backwardMostMove, forwardMostMove,
16181 if (appData.noChessProgram) return;
16182 switch (gameMode) {
16183 case MachinePlaysWhite:
16184 if (WhiteOnMove(forwardMostMove)) {
16185 DisplayError(_("Wait until your turn."), 0);
16189 case BeginningOfGame:
16190 case MachinePlaysBlack:
16191 if (!WhiteOnMove(forwardMostMove)) {
16192 DisplayError(_("Wait until your turn."), 0);
16197 DisplayError(_("No hint available"), 0);
16200 SendToProgram("hint\n", &first);
16201 hintRequested = TRUE;
16205 SaveSelected (FILE *g, int dummy, char *dummy2)
16207 ListGame * lg = (ListGame *) gameList.head;
16211 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16212 DisplayError(_("Game list not loaded or empty"), 0);
16216 creatingBook = TRUE; // suppresses stuff during load game
16218 /* Get list size */
16219 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16220 if(lg->position >= 0) { // selected?
16221 LoadGame(f, nItem, "", TRUE);
16222 SaveGamePGN2(g); // leaves g open
16225 lg = (ListGame *) lg->node.succ;
16229 creatingBook = FALSE;
16237 ListGame * lg = (ListGame *) gameList.head;
16240 static int secondTime = FALSE;
16242 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
16243 DisplayError(_("Game list not loaded or empty"), 0);
16247 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
16250 DisplayNote(_("Book file exists! Try again for overwrite."));
16254 creatingBook = TRUE;
16255 secondTime = FALSE;
16257 /* Get list size */
16258 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
16259 if(lg->position >= 0) {
16260 LoadGame(f, nItem, "", TRUE);
16261 AddGameToBook(TRUE);
16264 lg = (ListGame *) lg->node.succ;
16267 creatingBook = FALSE;
16274 if (appData.noChessProgram) return;
16275 switch (gameMode) {
16276 case MachinePlaysWhite:
16277 if (WhiteOnMove(forwardMostMove)) {
16278 DisplayError(_("Wait until your turn."), 0);
16282 case BeginningOfGame:
16283 case MachinePlaysBlack:
16284 if (!WhiteOnMove(forwardMostMove)) {
16285 DisplayError(_("Wait until your turn."), 0);
16290 EditPositionDone(TRUE);
16292 case TwoMachinesPlay:
16297 SendToProgram("bk\n", &first);
16298 bookOutput[0] = NULLCHAR;
16299 bookRequested = TRUE;
16305 char *tags = PGNTags(&gameInfo);
16306 TagsPopUp(tags, CmailMsg());
16310 /* end button procedures */
16313 PrintPosition (FILE *fp, int move)
16317 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16318 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16319 char c = PieceToChar(boards[move][i][j]);
16320 fputc(c == '?' ? '.' : c, fp);
16321 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
16324 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16325 fprintf(fp, "white to play\n");
16327 fprintf(fp, "black to play\n");
16331 PrintOpponents (FILE *fp)
16333 if (gameInfo.white != NULL) {
16334 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16340 /* Find last component of program's own name, using some heuristics */
16342 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16345 int local = (strcmp(host, "localhost") == 0);
16346 while (!local && (p = strchr(prog, ';')) != NULL) {
16348 while (*p == ' ') p++;
16351 if (*prog == '"' || *prog == '\'') {
16352 q = strchr(prog + 1, *prog);
16354 q = strchr(prog, ' ');
16356 if (q == NULL) q = prog + strlen(prog);
16358 while (p >= prog && *p != '/' && *p != '\\') p--;
16360 if(p == prog && *p == '"') p++;
16362 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16363 memcpy(buf, p, q - p);
16364 buf[q - p] = NULLCHAR;
16372 TimeControlTagValue ()
16375 if (!appData.clockMode) {
16376 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16377 } else if (movesPerSession > 0) {
16378 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16379 } else if (timeIncrement == 0) {
16380 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16382 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16384 return StrSave(buf);
16390 /* This routine is used only for certain modes */
16391 VariantClass v = gameInfo.variant;
16392 ChessMove r = GameUnfinished;
16395 if(keepInfo) return;
16397 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16398 r = gameInfo.result;
16399 p = gameInfo.resultDetails;
16400 gameInfo.resultDetails = NULL;
16402 ClearGameInfo(&gameInfo);
16403 gameInfo.variant = v;
16405 switch (gameMode) {
16406 case MachinePlaysWhite:
16407 gameInfo.event = StrSave( appData.pgnEventHeader );
16408 gameInfo.site = StrSave(HostName());
16409 gameInfo.date = PGNDate();
16410 gameInfo.round = StrSave("-");
16411 gameInfo.white = StrSave(first.tidy);
16412 gameInfo.black = StrSave(UserName());
16413 gameInfo.timeControl = TimeControlTagValue();
16416 case MachinePlaysBlack:
16417 gameInfo.event = StrSave( appData.pgnEventHeader );
16418 gameInfo.site = StrSave(HostName());
16419 gameInfo.date = PGNDate();
16420 gameInfo.round = StrSave("-");
16421 gameInfo.white = StrSave(UserName());
16422 gameInfo.black = StrSave(first.tidy);
16423 gameInfo.timeControl = TimeControlTagValue();
16426 case TwoMachinesPlay:
16427 gameInfo.event = StrSave( appData.pgnEventHeader );
16428 gameInfo.site = StrSave(HostName());
16429 gameInfo.date = PGNDate();
16432 snprintf(buf, MSG_SIZ, "%d", roundNr);
16433 gameInfo.round = StrSave(buf);
16435 gameInfo.round = StrSave("-");
16437 if (first.twoMachinesColor[0] == 'w') {
16438 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16439 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16441 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16442 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16444 gameInfo.timeControl = TimeControlTagValue();
16448 gameInfo.event = StrSave("Edited game");
16449 gameInfo.site = StrSave(HostName());
16450 gameInfo.date = PGNDate();
16451 gameInfo.round = StrSave("-");
16452 gameInfo.white = StrSave("-");
16453 gameInfo.black = StrSave("-");
16454 gameInfo.result = r;
16455 gameInfo.resultDetails = p;
16459 gameInfo.event = StrSave("Edited position");
16460 gameInfo.site = StrSave(HostName());
16461 gameInfo.date = PGNDate();
16462 gameInfo.round = StrSave("-");
16463 gameInfo.white = StrSave("-");
16464 gameInfo.black = StrSave("-");
16467 case IcsPlayingWhite:
16468 case IcsPlayingBlack:
16473 case PlayFromGameFile:
16474 gameInfo.event = StrSave("Game from non-PGN file");
16475 gameInfo.site = StrSave(HostName());
16476 gameInfo.date = PGNDate();
16477 gameInfo.round = StrSave("-");
16478 gameInfo.white = StrSave("?");
16479 gameInfo.black = StrSave("?");
16488 ReplaceComment (int index, char *text)
16494 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16495 pvInfoList[index-1].depth == len &&
16496 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16497 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16498 while (*text == '\n') text++;
16499 len = strlen(text);
16500 while (len > 0 && text[len - 1] == '\n') len--;
16502 if (commentList[index] != NULL)
16503 free(commentList[index]);
16506 commentList[index] = NULL;
16509 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16510 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16511 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16512 commentList[index] = (char *) malloc(len + 2);
16513 strncpy(commentList[index], text, len);
16514 commentList[index][len] = '\n';
16515 commentList[index][len + 1] = NULLCHAR;
16517 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16519 commentList[index] = (char *) malloc(len + 7);
16520 safeStrCpy(commentList[index], "{\n", 3);
16521 safeStrCpy(commentList[index]+2, text, len+1);
16522 commentList[index][len+2] = NULLCHAR;
16523 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16524 strcat(commentList[index], "\n}\n");
16529 CrushCRs (char *text)
16537 if (ch == '\r') continue;
16539 } while (ch != '\0');
16543 AppendComment (int index, char *text, Boolean addBraces)
16544 /* addBraces tells if we should add {} */
16549 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16550 if(addBraces == 3) addBraces = 0; else // force appending literally
16551 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16554 while (*text == '\n') text++;
16555 len = strlen(text);
16556 while (len > 0 && text[len - 1] == '\n') len--;
16557 text[len] = NULLCHAR;
16559 if (len == 0) return;
16561 if (commentList[index] != NULL) {
16562 Boolean addClosingBrace = addBraces;
16563 old = commentList[index];
16564 oldlen = strlen(old);
16565 while(commentList[index][oldlen-1] == '\n')
16566 commentList[index][--oldlen] = NULLCHAR;
16567 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16568 safeStrCpy(commentList[index], old, oldlen + len + 6);
16570 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16571 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16572 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16573 while (*text == '\n') { text++; len--; }
16574 commentList[index][--oldlen] = NULLCHAR;
16576 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16577 else strcat(commentList[index], "\n");
16578 strcat(commentList[index], text);
16579 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16580 else strcat(commentList[index], "\n");
16582 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16584 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16585 else commentList[index][0] = NULLCHAR;
16586 strcat(commentList[index], text);
16587 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16588 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16593 FindStr (char * text, char * sub_text)
16595 char * result = strstr( text, sub_text );
16597 if( result != NULL ) {
16598 result += strlen( sub_text );
16604 /* [AS] Try to extract PV info from PGN comment */
16605 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16607 GetInfoFromComment (int index, char * text)
16609 char * sep = text, *p;
16611 if( text != NULL && index > 0 ) {
16614 int time = -1, sec = 0, deci;
16615 char * s_eval = FindStr( text, "[%eval " );
16616 char * s_emt = FindStr( text, "[%emt " );
16618 if( s_eval != NULL || s_emt != NULL ) {
16620 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16625 if( s_eval != NULL ) {
16626 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16630 if( delim != ']' ) {
16635 if( s_emt != NULL ) {
16640 /* We expect something like: [+|-]nnn.nn/dd */
16643 if(*text != '{') return text; // [HGM] braces: must be normal comment
16645 sep = strchr( text, '/' );
16646 if( sep == NULL || sep < (text+4) ) {
16651 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16652 if(p[1] == '(') { // comment starts with PV
16653 p = strchr(p, ')'); // locate end of PV
16654 if(p == NULL || sep < p+5) return text;
16655 // at this point we have something like "{(.*) +0.23/6 ..."
16656 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16657 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16658 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16660 time = -1; sec = -1; deci = -1;
16661 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16662 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16663 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16664 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16668 if( score_lo < 0 || score_lo >= 100 ) {
16672 if(sec >= 0) time = 600*time + 10*sec; else
16673 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16675 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16677 /* [HGM] PV time: now locate end of PV info */
16678 while( *++sep >= '0' && *sep <= '9'); // strip depth
16680 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16682 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16684 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16685 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16696 pvInfoList[index-1].depth = depth;
16697 pvInfoList[index-1].score = score;
16698 pvInfoList[index-1].time = 10*time; // centi-sec
16699 if(*sep == '}') *sep = 0; else *--sep = '{';
16700 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16706 SendToProgram (char *message, ChessProgramState *cps)
16708 int count, outCount, error;
16711 if (cps->pr == NoProc) return;
16714 if (appData.debugMode) {
16717 fprintf(debugFP, "%ld >%-6s: %s",
16718 SubtractTimeMarks(&now, &programStartTime),
16719 cps->which, message);
16721 fprintf(serverFP, "%ld >%-6s: %s",
16722 SubtractTimeMarks(&now, &programStartTime),
16723 cps->which, message), fflush(serverFP);
16726 count = strlen(message);
16727 outCount = OutputToProcess(cps->pr, message, count, &error);
16728 if (outCount < count && !exiting
16729 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16730 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16731 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16732 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16733 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16734 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16735 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16736 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16738 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16739 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16740 gameInfo.result = res;
16742 gameInfo.resultDetails = StrSave(buf);
16744 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16745 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16750 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16754 ChessProgramState *cps = (ChessProgramState *)closure;
16756 if (isr != cps->isr) return; /* Killed intentionally */
16759 RemoveInputSource(cps->isr);
16760 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16761 _(cps->which), cps->program);
16762 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16763 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16764 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16765 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16766 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16767 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16769 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16770 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16771 gameInfo.result = res;
16773 gameInfo.resultDetails = StrSave(buf);
16775 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16776 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16778 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16779 _(cps->which), cps->program);
16780 RemoveInputSource(cps->isr);
16782 /* [AS] Program is misbehaving badly... kill it */
16783 if( count == -2 ) {
16784 DestroyChildProcess( cps->pr, 9 );
16788 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16793 if ((end_str = strchr(message, '\r')) != NULL)
16794 *end_str = NULLCHAR;
16795 if ((end_str = strchr(message, '\n')) != NULL)
16796 *end_str = NULLCHAR;
16798 if (appData.debugMode) {
16799 TimeMark now; int print = 1;
16800 char *quote = ""; char c; int i;
16802 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16803 char start = message[0];
16804 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16805 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16806 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16807 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16808 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16809 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16810 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16811 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16812 sscanf(message, "hint: %c", &c)!=1 &&
16813 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16814 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16815 print = (appData.engineComments >= 2);
16817 message[0] = start; // restore original message
16821 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16822 SubtractTimeMarks(&now, &programStartTime), cps->which,
16826 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16827 SubtractTimeMarks(&now, &programStartTime), cps->which,
16829 message), fflush(serverFP);
16833 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16834 if (appData.icsEngineAnalyze) {
16835 if (strstr(message, "whisper") != NULL ||
16836 strstr(message, "kibitz") != NULL ||
16837 strstr(message, "tellics") != NULL) return;
16840 HandleMachineMove(message, cps);
16845 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16850 if( timeControl_2 > 0 ) {
16851 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16852 tc = timeControl_2;
16855 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16856 inc /= cps->timeOdds;
16857 st /= cps->timeOdds;
16859 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16862 /* Set exact time per move, normally using st command */
16863 if (cps->stKludge) {
16864 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16866 if (seconds == 0) {
16867 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16869 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16872 snprintf(buf, MSG_SIZ, "st %d\n", st);
16875 /* Set conventional or incremental time control, using level command */
16876 if (seconds == 0) {
16877 /* Note old gnuchess bug -- minutes:seconds used to not work.
16878 Fixed in later versions, but still avoid :seconds
16879 when seconds is 0. */
16880 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16882 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16883 seconds, inc/1000.);
16886 SendToProgram(buf, cps);
16888 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16889 /* Orthogonally, limit search to given depth */
16891 if (cps->sdKludge) {
16892 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16894 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16896 SendToProgram(buf, cps);
16899 if(cps->nps >= 0) { /* [HGM] nps */
16900 if(cps->supportsNPS == FALSE)
16901 cps->nps = -1; // don't use if engine explicitly says not supported!
16903 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16904 SendToProgram(buf, cps);
16909 ChessProgramState *
16911 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16913 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16914 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16920 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16922 char message[MSG_SIZ];
16925 /* Note: this routine must be called when the clocks are stopped
16926 or when they have *just* been set or switched; otherwise
16927 it will be off by the time since the current tick started.
16929 if (machineWhite) {
16930 time = whiteTimeRemaining / 10;
16931 otime = blackTimeRemaining / 10;
16933 time = blackTimeRemaining / 10;
16934 otime = whiteTimeRemaining / 10;
16936 /* [HGM] translate opponent's time by time-odds factor */
16937 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16939 if (time <= 0) time = 1;
16940 if (otime <= 0) otime = 1;
16942 snprintf(message, MSG_SIZ, "time %ld\n", time);
16943 SendToProgram(message, cps);
16945 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16946 SendToProgram(message, cps);
16950 EngineDefinedVariant (ChessProgramState *cps, int n)
16951 { // return name of n-th unknown variant that engine supports
16952 static char buf[MSG_SIZ];
16953 char *p, *s = cps->variants;
16954 if(!s) return NULL;
16955 do { // parse string from variants feature
16957 p = strchr(s, ',');
16958 if(p) *p = NULLCHAR;
16959 v = StringToVariant(s);
16960 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16961 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16962 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16963 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16964 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16965 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16966 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16969 if(n < 0) return buf;
16975 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16978 int len = strlen(name);
16981 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16983 sscanf(*p, "%d", &val);
16985 while (**p && **p != ' ')
16987 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16988 SendToProgram(buf, cps);
16995 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16998 int len = strlen(name);
16999 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
17001 sscanf(*p, "%d", loc);
17002 while (**p && **p != ' ') (*p)++;
17003 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17004 SendToProgram(buf, cps);
17011 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
17014 int len = strlen(name);
17015 if (strncmp((*p), name, len) == 0
17016 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
17018 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
17019 sscanf(*p, "%[^\"]", *loc);
17020 while (**p && **p != '\"') (*p)++;
17021 if (**p == '\"') (*p)++;
17022 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
17023 SendToProgram(buf, cps);
17030 ParseOption (Option *opt, ChessProgramState *cps)
17031 // [HGM] options: process the string that defines an engine option, and determine
17032 // name, type, default value, and allowed value range
17034 char *p, *q, buf[MSG_SIZ];
17035 int n, min = (-1)<<31, max = 1<<31, def;
17037 opt->target = &opt->value; // OK for spin/slider and checkbox
17038 if(p = strstr(opt->name, " -spin ")) {
17039 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17040 if(max < min) max = min; // enforce consistency
17041 if(def < min) def = min;
17042 if(def > max) def = max;
17047 } else if((p = strstr(opt->name, " -slider "))) {
17048 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
17049 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
17050 if(max < min) max = min; // enforce consistency
17051 if(def < min) def = min;
17052 if(def > max) def = max;
17056 opt->type = Spin; // Slider;
17057 } else if((p = strstr(opt->name, " -string "))) {
17058 opt->textValue = p+9;
17059 opt->type = TextBox;
17060 opt->target = &opt->textValue;
17061 } else if((p = strstr(opt->name, " -file "))) {
17062 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17063 opt->target = opt->textValue = p+7;
17064 opt->type = FileName; // FileName;
17065 opt->target = &opt->textValue;
17066 } else if((p = strstr(opt->name, " -path "))) {
17067 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
17068 opt->target = opt->textValue = p+7;
17069 opt->type = PathName; // PathName;
17070 opt->target = &opt->textValue;
17071 } else if(p = strstr(opt->name, " -check ")) {
17072 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
17073 opt->value = (def != 0);
17074 opt->type = CheckBox;
17075 } else if(p = strstr(opt->name, " -combo ")) {
17076 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
17077 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
17078 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
17079 opt->value = n = 0;
17080 while(q = StrStr(q, " /// ")) {
17081 n++; *q = 0; // count choices, and null-terminate each of them
17083 if(*q == '*') { // remember default, which is marked with * prefix
17087 cps->comboList[cps->comboCnt++] = q;
17089 cps->comboList[cps->comboCnt++] = NULL;
17091 opt->type = ComboBox;
17092 } else if(p = strstr(opt->name, " -button")) {
17093 opt->type = Button;
17094 } else if(p = strstr(opt->name, " -save")) {
17095 opt->type = SaveButton;
17096 } else return FALSE;
17097 *p = 0; // terminate option name
17098 // now look if the command-line options define a setting for this engine option.
17099 if(cps->optionSettings && cps->optionSettings[0])
17100 p = strstr(cps->optionSettings, opt->name); else p = NULL;
17101 if(p && (p == cps->optionSettings || p[-1] == ',')) {
17102 snprintf(buf, MSG_SIZ, "option %s", p);
17103 if(p = strstr(buf, ",")) *p = 0;
17104 if(q = strchr(buf, '=')) switch(opt->type) {
17106 for(n=0; n<opt->max; n++)
17107 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
17110 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
17114 opt->value = atoi(q+1);
17119 SendToProgram(buf, cps);
17125 FeatureDone (ChessProgramState *cps, int val)
17127 DelayedEventCallback cb = GetDelayedEvent();
17128 if ((cb == InitBackEnd3 && cps == &first) ||
17129 (cb == SettingsMenuIfReady && cps == &second) ||
17130 (cb == LoadEngine) ||
17131 (cb == TwoMachinesEventIfReady)) {
17132 CancelDelayedEvent();
17133 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
17134 } else if(!val && !cps->reload) ClearOptions(cps); // let 'spurious' done=0 clear engine's option list
17135 cps->initDone = val;
17136 if(val) cps->reload = FALSE, RefreshSettingsDialog(cps, val);
17139 /* Parse feature command from engine */
17141 ParseFeatures (char *args, ChessProgramState *cps)
17149 while (*p == ' ') p++;
17150 if (*p == NULLCHAR) return;
17152 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
17153 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
17154 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
17155 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
17156 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
17157 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
17158 if (BoolFeature(&p, "reuse", &val, cps)) {
17159 /* Engine can disable reuse, but can't enable it if user said no */
17160 if (!val) cps->reuse = FALSE;
17163 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
17164 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
17165 if (gameMode == TwoMachinesPlay) {
17166 DisplayTwoMachinesTitle();
17172 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
17173 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
17174 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
17175 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
17176 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
17177 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
17178 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
17179 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
17180 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
17181 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
17182 if (IntFeature(&p, "done", &val, cps)) {
17183 FeatureDone(cps, val);
17186 /* Added by Tord: */
17187 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
17188 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
17189 /* End of additions by Tord */
17191 /* [HGM] added features: */
17192 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
17193 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
17194 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
17195 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
17196 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
17197 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
17198 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
17199 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
17200 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
17201 FREE(cps->option[cps->nrOptions].name);
17202 cps->option[cps->nrOptions].name = q; q = NULL;
17203 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
17204 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
17205 SendToProgram(buf, cps);
17208 if(cps->nrOptions >= MAX_OPTIONS) {
17210 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
17211 DisplayError(buf, 0);
17215 /* End of additions by HGM */
17217 /* unknown feature: complain and skip */
17219 while (*q && *q != '=') q++;
17220 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
17221 SendToProgram(buf, cps);
17227 while (*p && *p != '\"') p++;
17228 if (*p == '\"') p++;
17230 while (*p && *p != ' ') p++;
17238 PeriodicUpdatesEvent (int newState)
17240 if (newState == appData.periodicUpdates)
17243 appData.periodicUpdates=newState;
17245 /* Display type changes, so update it now */
17246 // DisplayAnalysis();
17248 /* Get the ball rolling again... */
17250 AnalysisPeriodicEvent(1);
17251 StartAnalysisClock();
17256 PonderNextMoveEvent (int newState)
17258 if (newState == appData.ponderNextMove) return;
17259 if (gameMode == EditPosition) EditPositionDone(TRUE);
17261 SendToProgram("hard\n", &first);
17262 if (gameMode == TwoMachinesPlay) {
17263 SendToProgram("hard\n", &second);
17266 SendToProgram("easy\n", &first);
17267 thinkOutput[0] = NULLCHAR;
17268 if (gameMode == TwoMachinesPlay) {
17269 SendToProgram("easy\n", &second);
17272 appData.ponderNextMove = newState;
17276 NewSettingEvent (int option, int *feature, char *command, int value)
17280 if (gameMode == EditPosition) EditPositionDone(TRUE);
17281 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
17282 if(feature == NULL || *feature) SendToProgram(buf, &first);
17283 if (gameMode == TwoMachinesPlay) {
17284 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
17289 ShowThinkingEvent ()
17290 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
17292 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
17293 int newState = appData.showThinking
17294 // [HGM] thinking: other features now need thinking output as well
17295 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
17297 if (oldState == newState) return;
17298 oldState = newState;
17299 if (gameMode == EditPosition) EditPositionDone(TRUE);
17301 SendToProgram("post\n", &first);
17302 if (gameMode == TwoMachinesPlay) {
17303 SendToProgram("post\n", &second);
17306 SendToProgram("nopost\n", &first);
17307 thinkOutput[0] = NULLCHAR;
17308 if (gameMode == TwoMachinesPlay) {
17309 SendToProgram("nopost\n", &second);
17312 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
17316 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
17318 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
17319 if (pr == NoProc) return;
17320 AskQuestion(title, question, replyPrefix, pr);
17324 TypeInEvent (char firstChar)
17326 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
17327 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
17328 gameMode == AnalyzeMode || gameMode == EditGame ||
17329 gameMode == EditPosition || gameMode == IcsExamining ||
17330 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17331 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17332 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17333 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17334 gameMode == Training) PopUpMoveDialog(firstChar);
17338 TypeInDoneEvent (char *move)
17341 int n, fromX, fromY, toX, toY;
17343 ChessMove moveType;
17346 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17347 EditPositionPasteFEN(move);
17350 // [HGM] movenum: allow move number to be typed in any mode
17351 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17355 // undocumented kludge: allow command-line option to be typed in!
17356 // (potentially fatal, and does not implement the effect of the option.)
17357 // should only be used for options that are values on which future decisions will be made,
17358 // and definitely not on options that would be used during initialization.
17359 if(strstr(move, "!!! -") == move) {
17360 ParseArgsFromString(move+4);
17364 if (gameMode != EditGame && currentMove != forwardMostMove &&
17365 gameMode != Training) {
17366 DisplayMoveError(_("Displayed move is not current"));
17368 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17369 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17370 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17371 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17372 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17373 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17375 DisplayMoveError(_("Could not parse move"));
17381 DisplayMove (int moveNumber)
17383 char message[MSG_SIZ];
17385 char cpThinkOutput[MSG_SIZ];
17387 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17389 if (moveNumber == forwardMostMove - 1 ||
17390 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17392 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17394 if (strchr(cpThinkOutput, '\n')) {
17395 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17398 *cpThinkOutput = NULLCHAR;
17401 /* [AS] Hide thinking from human user */
17402 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17403 *cpThinkOutput = NULLCHAR;
17404 if( thinkOutput[0] != NULLCHAR ) {
17407 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17408 cpThinkOutput[i] = '.';
17410 cpThinkOutput[i] = NULLCHAR;
17411 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17415 if (moveNumber == forwardMostMove - 1 &&
17416 gameInfo.resultDetails != NULL) {
17417 if (gameInfo.resultDetails[0] == NULLCHAR) {
17418 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17420 snprintf(res, MSG_SIZ, " {%s} %s",
17421 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17427 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17428 DisplayMessage(res, cpThinkOutput);
17430 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17431 WhiteOnMove(moveNumber) ? " " : ".. ",
17432 parseList[moveNumber], res);
17433 DisplayMessage(message, cpThinkOutput);
17438 DisplayComment (int moveNumber, char *text)
17440 char title[MSG_SIZ];
17442 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17443 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17445 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17446 WhiteOnMove(moveNumber) ? " " : ".. ",
17447 parseList[moveNumber]);
17449 if (text != NULL && (appData.autoDisplayComment || commentUp))
17450 CommentPopUp(title, text);
17453 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17454 * might be busy thinking or pondering. It can be omitted if your
17455 * gnuchess is configured to stop thinking immediately on any user
17456 * input. However, that gnuchess feature depends on the FIONREAD
17457 * ioctl, which does not work properly on some flavors of Unix.
17460 Attention (ChessProgramState *cps)
17463 if (!cps->useSigint) return;
17464 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17465 switch (gameMode) {
17466 case MachinePlaysWhite:
17467 case MachinePlaysBlack:
17468 case TwoMachinesPlay:
17469 case IcsPlayingWhite:
17470 case IcsPlayingBlack:
17473 /* Skip if we know it isn't thinking */
17474 if (!cps->maybeThinking) return;
17475 if (appData.debugMode)
17476 fprintf(debugFP, "Interrupting %s\n", cps->which);
17477 InterruptChildProcess(cps->pr);
17478 cps->maybeThinking = FALSE;
17483 #endif /*ATTENTION*/
17489 if (whiteTimeRemaining <= 0) {
17492 if (appData.icsActive) {
17493 if (appData.autoCallFlag &&
17494 gameMode == IcsPlayingBlack && !blackFlag) {
17495 SendToICS(ics_prefix);
17496 SendToICS("flag\n");
17500 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17502 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17503 if (appData.autoCallFlag) {
17504 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17511 if (blackTimeRemaining <= 0) {
17514 if (appData.icsActive) {
17515 if (appData.autoCallFlag &&
17516 gameMode == IcsPlayingWhite && !whiteFlag) {
17517 SendToICS(ics_prefix);
17518 SendToICS("flag\n");
17522 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17524 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17525 if (appData.autoCallFlag) {
17526 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17537 CheckTimeControl ()
17539 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17540 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17543 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17545 if ( !WhiteOnMove(forwardMostMove) ) {
17546 /* White made time control */
17547 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17548 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17549 /* [HGM] time odds: correct new time quota for time odds! */
17550 / WhitePlayer()->timeOdds;
17551 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17553 lastBlack -= blackTimeRemaining;
17554 /* Black made time control */
17555 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17556 / WhitePlayer()->other->timeOdds;
17557 lastWhite = whiteTimeRemaining;
17562 DisplayBothClocks ()
17564 int wom = gameMode == EditPosition ?
17565 !blackPlaysFirst : WhiteOnMove(currentMove);
17566 DisplayWhiteClock(whiteTimeRemaining, wom);
17567 DisplayBlackClock(blackTimeRemaining, !wom);
17571 /* Timekeeping seems to be a portability nightmare. I think everyone
17572 has ftime(), but I'm really not sure, so I'm including some ifdefs
17573 to use other calls if you don't. Clocks will be less accurate if
17574 you have neither ftime nor gettimeofday.
17577 /* VS 2008 requires the #include outside of the function */
17578 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17579 #include <sys/timeb.h>
17582 /* Get the current time as a TimeMark */
17584 GetTimeMark (TimeMark *tm)
17586 #if HAVE_GETTIMEOFDAY
17588 struct timeval timeVal;
17589 struct timezone timeZone;
17591 gettimeofday(&timeVal, &timeZone);
17592 tm->sec = (long) timeVal.tv_sec;
17593 tm->ms = (int) (timeVal.tv_usec / 1000L);
17595 #else /*!HAVE_GETTIMEOFDAY*/
17598 // include <sys/timeb.h> / moved to just above start of function
17599 struct timeb timeB;
17602 tm->sec = (long) timeB.time;
17603 tm->ms = (int) timeB.millitm;
17605 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17606 tm->sec = (long) time(NULL);
17612 /* Return the difference in milliseconds between two
17613 time marks. We assume the difference will fit in a long!
17616 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17618 return 1000L*(tm2->sec - tm1->sec) +
17619 (long) (tm2->ms - tm1->ms);
17624 * Code to manage the game clocks.
17626 * In tournament play, black starts the clock and then white makes a move.
17627 * We give the human user a slight advantage if he is playing white---the
17628 * clocks don't run until he makes his first move, so it takes zero time.
17629 * Also, we don't account for network lag, so we could get out of sync
17630 * with GNU Chess's clock -- but then, referees are always right.
17633 static TimeMark tickStartTM;
17634 static long intendedTickLength;
17637 NextTickLength (long timeRemaining)
17639 long nominalTickLength, nextTickLength;
17641 if (timeRemaining > 0L && timeRemaining <= 10000L)
17642 nominalTickLength = 100L;
17644 nominalTickLength = 1000L;
17645 nextTickLength = timeRemaining % nominalTickLength;
17646 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17648 return nextTickLength;
17651 /* Adjust clock one minute up or down */
17653 AdjustClock (Boolean which, int dir)
17655 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17656 if(which) blackTimeRemaining += 60000*dir;
17657 else whiteTimeRemaining += 60000*dir;
17658 DisplayBothClocks();
17659 adjustedClock = TRUE;
17662 /* Stop clocks and reset to a fresh time control */
17666 (void) StopClockTimer();
17667 if (appData.icsActive) {
17668 whiteTimeRemaining = blackTimeRemaining = 0;
17669 } else if (searchTime) {
17670 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17671 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17672 } else { /* [HGM] correct new time quote for time odds */
17673 whiteTC = blackTC = fullTimeControlString;
17674 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17675 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17677 if (whiteFlag || blackFlag) {
17679 whiteFlag = blackFlag = FALSE;
17681 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17682 DisplayBothClocks();
17683 adjustedClock = FALSE;
17686 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17688 /* Decrement running clock by amount of time that has passed */
17692 long timeRemaining;
17693 long lastTickLength, fudge;
17696 if (!appData.clockMode) return;
17697 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17701 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17703 /* Fudge if we woke up a little too soon */
17704 fudge = intendedTickLength - lastTickLength;
17705 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17707 if (WhiteOnMove(forwardMostMove)) {
17708 if(whiteNPS >= 0) lastTickLength = 0;
17709 timeRemaining = whiteTimeRemaining -= lastTickLength;
17710 if(timeRemaining < 0 && !appData.icsActive) {
17711 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17712 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17713 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17714 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17717 DisplayWhiteClock(whiteTimeRemaining - fudge,
17718 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17720 if(blackNPS >= 0) lastTickLength = 0;
17721 timeRemaining = blackTimeRemaining -= lastTickLength;
17722 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17723 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17725 blackStartMove = forwardMostMove;
17726 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17729 DisplayBlackClock(blackTimeRemaining - fudge,
17730 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17732 if (CheckFlags()) return;
17734 if(twoBoards) { // count down secondary board's clocks as well
17735 activePartnerTime -= lastTickLength;
17737 if(activePartner == 'W')
17738 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17740 DisplayBlackClock(activePartnerTime, TRUE);
17745 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17746 StartClockTimer(intendedTickLength);
17748 /* if the time remaining has fallen below the alarm threshold, sound the
17749 * alarm. if the alarm has sounded and (due to a takeback or time control
17750 * with increment) the time remaining has increased to a level above the
17751 * threshold, reset the alarm so it can sound again.
17754 if (appData.icsActive && appData.icsAlarm) {
17756 /* make sure we are dealing with the user's clock */
17757 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17758 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17761 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17762 alarmSounded = FALSE;
17763 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17765 alarmSounded = TRUE;
17771 /* A player has just moved, so stop the previously running
17772 clock and (if in clock mode) start the other one.
17773 We redisplay both clocks in case we're in ICS mode, because
17774 ICS gives us an update to both clocks after every move.
17775 Note that this routine is called *after* forwardMostMove
17776 is updated, so the last fractional tick must be subtracted
17777 from the color that is *not* on move now.
17780 SwitchClocks (int newMoveNr)
17782 long lastTickLength;
17784 int flagged = FALSE;
17788 if (StopClockTimer() && appData.clockMode) {
17789 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17790 if (!WhiteOnMove(forwardMostMove)) {
17791 if(blackNPS >= 0) lastTickLength = 0;
17792 blackTimeRemaining -= lastTickLength;
17793 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17794 // if(pvInfoList[forwardMostMove].time == -1)
17795 pvInfoList[forwardMostMove].time = // use GUI time
17796 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17798 if(whiteNPS >= 0) lastTickLength = 0;
17799 whiteTimeRemaining -= lastTickLength;
17800 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17801 // if(pvInfoList[forwardMostMove].time == -1)
17802 pvInfoList[forwardMostMove].time =
17803 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17805 flagged = CheckFlags();
17807 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17808 CheckTimeControl();
17810 if (flagged || !appData.clockMode) return;
17812 switch (gameMode) {
17813 case MachinePlaysBlack:
17814 case MachinePlaysWhite:
17815 case BeginningOfGame:
17816 if (pausing) return;
17820 case PlayFromGameFile:
17828 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17829 if(WhiteOnMove(forwardMostMove))
17830 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17831 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17835 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17836 whiteTimeRemaining : blackTimeRemaining);
17837 StartClockTimer(intendedTickLength);
17841 /* Stop both clocks */
17845 long lastTickLength;
17848 if (!StopClockTimer()) return;
17849 if (!appData.clockMode) return;
17853 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17854 if (WhiteOnMove(forwardMostMove)) {
17855 if(whiteNPS >= 0) lastTickLength = 0;
17856 whiteTimeRemaining -= lastTickLength;
17857 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17859 if(blackNPS >= 0) lastTickLength = 0;
17860 blackTimeRemaining -= lastTickLength;
17861 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17866 /* Start clock of player on move. Time may have been reset, so
17867 if clock is already running, stop and restart it. */
17871 (void) StopClockTimer(); /* in case it was running already */
17872 DisplayBothClocks();
17873 if (CheckFlags()) return;
17875 if (!appData.clockMode) return;
17876 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17878 GetTimeMark(&tickStartTM);
17879 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17880 whiteTimeRemaining : blackTimeRemaining);
17882 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17883 whiteNPS = blackNPS = -1;
17884 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17885 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17886 whiteNPS = first.nps;
17887 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17888 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17889 blackNPS = first.nps;
17890 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17891 whiteNPS = second.nps;
17892 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17893 blackNPS = second.nps;
17894 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17896 StartClockTimer(intendedTickLength);
17900 TimeString (long ms)
17902 long second, minute, hour, day;
17904 static char buf[32];
17906 if (ms > 0 && ms <= 9900) {
17907 /* convert milliseconds to tenths, rounding up */
17908 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17910 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17914 /* convert milliseconds to seconds, rounding up */
17915 /* use floating point to avoid strangeness of integer division
17916 with negative dividends on many machines */
17917 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17924 day = second / (60 * 60 * 24);
17925 second = second % (60 * 60 * 24);
17926 hour = second / (60 * 60);
17927 second = second % (60 * 60);
17928 minute = second / 60;
17929 second = second % 60;
17932 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17933 sign, day, hour, minute, second);
17935 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17937 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17944 * This is necessary because some C libraries aren't ANSI C compliant yet.
17947 StrStr (char *string, char *match)
17951 length = strlen(match);
17953 for (i = strlen(string) - length; i >= 0; i--, string++)
17954 if (!strncmp(match, string, length))
17961 StrCaseStr (char *string, char *match)
17965 length = strlen(match);
17967 for (i = strlen(string) - length; i >= 0; i--, string++) {
17968 for (j = 0; j < length; j++) {
17969 if (ToLower(match[j]) != ToLower(string[j]))
17972 if (j == length) return string;
17980 StrCaseCmp (char *s1, char *s2)
17985 c1 = ToLower(*s1++);
17986 c2 = ToLower(*s2++);
17987 if (c1 > c2) return 1;
17988 if (c1 < c2) return -1;
17989 if (c1 == NULLCHAR) return 0;
17997 return isupper(c) ? tolower(c) : c;
18004 return islower(c) ? toupper(c) : c;
18006 #endif /* !_amigados */
18013 if ((ret = (char *) malloc(strlen(s) + 1)))
18015 safeStrCpy(ret, s, strlen(s)+1);
18021 StrSavePtr (char *s, char **savePtr)
18026 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
18027 safeStrCpy(*savePtr, s, strlen(s)+1);
18039 clock = time((time_t *)NULL);
18040 tm = localtime(&clock);
18041 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
18042 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
18043 return StrSave(buf);
18048 PositionToFEN (int move, char *overrideCastling, int moveCounts)
18050 int i, j, fromX, fromY, toX, toY;
18051 int whiteToPlay, haveRights = nrCastlingRights;
18057 whiteToPlay = (gameMode == EditPosition) ?
18058 !blackPlaysFirst : (move % 2 == 0);
18061 /* Piece placement data */
18062 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18063 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
18065 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
18066 if (boards[move][i][j] == EmptySquare) {
18068 } else { ChessSquare piece = boards[move][i][j];
18069 if (emptycount > 0) {
18070 if(emptycount<10) /* [HGM] can be >= 10 */
18071 *p++ = '0' + emptycount;
18072 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18075 if(PieceToChar(piece) == '+') {
18076 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
18078 piece = (ChessSquare)(CHUDEMOTED(piece));
18080 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
18081 if(*p = PieceSuffix(piece)) p++;
18083 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
18084 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED(piece)));
18089 if (emptycount > 0) {
18090 if(emptycount<10) /* [HGM] can be >= 10 */
18091 *p++ = '0' + emptycount;
18092 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
18099 /* [HGM] print Crazyhouse or Shogi holdings */
18100 if( gameInfo.holdingsWidth ) {
18101 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
18103 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
18104 piece = boards[move][i][BOARD_WIDTH-1];
18105 if( piece != EmptySquare )
18106 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
18107 *p++ = PieceToChar(piece);
18109 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
18110 piece = boards[move][BOARD_HEIGHT-i-1][0];
18111 if( piece != EmptySquare )
18112 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
18113 *p++ = PieceToChar(piece);
18116 if( q == p ) *p++ = '-';
18122 *p++ = whiteToPlay ? 'w' : 'b';
18125 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18126 haveRights = 0; q = p;
18127 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18128 piece = boards[move][0][i];
18129 if(piece >= WhitePawn && piece <= WhiteKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18130 if(!(boards[move][TOUCHED_W] & 1<<i)) *p++ = 'A' + i; // print file ID if it has not moved
18133 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--) {
18134 piece = boards[move][BOARD_HEIGHT-1][i];
18135 if(piece >= BlackPawn && piece <= BlackKing && pieceDesc[piece] && strchr(pieceDesc[piece], 'i')) { // piece with initial move
18136 if(!(boards[move][TOUCHED_B] & 1<<i)) *p++ = 'a' + i; // print file ID if it has not moved
18139 if(p == q) *p++ = '-';
18143 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
18144 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
18147 int handW=0, handB=0;
18148 if(gameInfo.variant == VariantSChess) { // for S-Chess, all virgin backrank pieces must be listed
18149 for(i=0; i<BOARD_HEIGHT; i++) handW += boards[move][i][BOARD_RGHT]; // count white held pieces
18150 for(i=0; i<BOARD_HEIGHT; i++) handB += boards[move][i][BOARD_LEFT-1]; // count black held pieces
18153 if(appData.fischerCastling) {
18154 if(handW) { // in shuffle S-Chess simply dump all virgin pieces
18155 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18156 if(boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18158 /* [HGM] write directly from rights */
18159 if(boards[move][CASTLING][2] != NoRights &&
18160 boards[move][CASTLING][0] != NoRights )
18161 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
18162 if(boards[move][CASTLING][2] != NoRights &&
18163 boards[move][CASTLING][1] != NoRights )
18164 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
18167 for(i=BOARD_RGHT-1; i>=BOARD_LEFT; i--)
18168 if(boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18170 if(boards[move][CASTLING][5] != NoRights &&
18171 boards[move][CASTLING][3] != NoRights )
18172 *p++ = boards[move][CASTLING][3] + AAA;
18173 if(boards[move][CASTLING][5] != NoRights &&
18174 boards[move][CASTLING][4] != NoRights )
18175 *p++ = boards[move][CASTLING][4] + AAA;
18179 /* [HGM] write true castling rights */
18180 if( nrCastlingRights == 6 ) {
18182 if(boards[move][CASTLING][0] != NoRights &&
18183 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
18184 q = (boards[move][CASTLING][1] != NoRights &&
18185 boards[move][CASTLING][2] != NoRights );
18186 if(handW) { // for S-Chess with pieces in hand, list virgin pieces between K and Q
18187 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18188 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
18189 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
18193 if(boards[move][CASTLING][3] != NoRights &&
18194 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
18195 q = (boards[move][CASTLING][4] != NoRights &&
18196 boards[move][CASTLING][5] != NoRights );
18198 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q; i--)
18199 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
18200 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
18205 if (q == p) *p++ = '-'; /* No castling rights */
18209 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18210 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18211 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18212 /* En passant target square */
18213 if (move > backwardMostMove) {
18214 fromX = moveList[move - 1][0] - AAA;
18215 fromY = moveList[move - 1][1] - ONE;
18216 toX = moveList[move - 1][2] - AAA;
18217 toY = moveList[move - 1][3] - ONE;
18218 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
18219 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
18220 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
18222 /* 2-square pawn move just happened */
18224 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18228 } else if(move == backwardMostMove) {
18229 // [HGM] perhaps we should always do it like this, and forget the above?
18230 if((signed char)boards[move][EP_STATUS] >= 0) {
18231 *p++ = boards[move][EP_STATUS] + AAA;
18232 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
18244 { int i = 0, j=move;
18246 /* [HGM] find reversible plies */
18247 if (appData.debugMode) { int k;
18248 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
18249 for(k=backwardMostMove; k<=forwardMostMove; k++)
18250 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
18254 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
18255 if( j == backwardMostMove ) i += initialRulePlies;
18256 sprintf(p, "%d ", i);
18257 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
18259 /* Fullmove number */
18260 sprintf(p, "%d", (move / 2) + 1);
18261 } else *--p = NULLCHAR;
18263 return StrSave(buf);
18267 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
18269 int i, j, k, w=0, subst=0, shuffle=0, wKingRank = -1, bKingRank = -1;
18271 int emptycount, virgin[BOARD_FILES];
18272 ChessSquare piece, king = (gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing);
18276 /* Piece placement data */
18277 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
18280 if (*p == '/' || *p == ' ' || *p == '[' ) {
18282 emptycount = gameInfo.boardWidth - j;
18283 while (emptycount--)
18284 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18285 if (*p == '/') p++;
18286 else if(autoSize && i != BOARD_HEIGHT-1) { // we stumbled unexpectedly into end of board
18287 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
18288 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
18290 appData.NrRanks = gameInfo.boardHeight - i; i=0;
18293 #if(BOARD_FILES >= 10)*0
18294 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
18295 p++; emptycount=10;
18296 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18297 while (emptycount--)
18298 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18300 } else if (*p == '*') {
18301 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
18302 } else if (isdigit(*p)) {
18303 emptycount = *p++ - '0';
18304 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
18305 if (j + emptycount > gameInfo.boardWidth) return FALSE;
18306 while (emptycount--)
18307 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
18308 } else if (*p == '<') {
18309 if(i == BOARD_HEIGHT-1) shuffle = 1;
18310 else if (i != 0 || !shuffle) return FALSE;
18312 } else if (shuffle && *p == '>') {
18313 p++; // for now ignore closing shuffle range, and assume rank-end
18314 } else if (*p == '?') {
18315 if (j >= gameInfo.boardWidth) return FALSE;
18316 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
18317 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
18318 } else if (*p == '+' || isalpha(*p)) {
18319 char *q, *s = SUFFIXES;
18320 if (j >= gameInfo.boardWidth) return FALSE;
18323 if(q = strchr(s, p[1])) p++;
18324 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18325 if(piece == EmptySquare) return FALSE; /* unknown piece */
18326 piece = (ChessSquare) (CHUPROMOTED(piece)); p++;
18327 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
18330 if(q = strchr(s, *p)) p++;
18331 piece = CharToPiece(c + (q ? 64*(q - s + 1) : 0));
18334 if(piece==EmptySquare) return FALSE; /* unknown piece */
18335 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
18336 piece = (ChessSquare) (PROMOTED(piece));
18337 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
18340 board[i][(j++)+gameInfo.holdingsWidth] = piece;
18341 if(piece == king) wKingRank = i;
18342 if(piece == WHITE_TO_BLACK king) bKingRank = i;
18348 while (*p == '/' || *p == ' ') p++;
18350 if(autoSize && w != 0) appData.NrFiles = w, InitPosition(TRUE);
18352 /* [HGM] by default clear Crazyhouse holdings, if present */
18353 if(gameInfo.holdingsWidth) {
18354 for(i=0; i<BOARD_HEIGHT; i++) {
18355 board[i][0] = EmptySquare; /* black holdings */
18356 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
18357 board[i][1] = (ChessSquare) 0; /* black counts */
18358 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
18362 /* [HGM] look for Crazyhouse holdings here */
18363 while(*p==' ') p++;
18364 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
18365 int swap=0, wcnt=0, bcnt=0;
18367 if(*p == '<') swap++, p++;
18368 if(*p == '-' ) p++; /* empty holdings */ else {
18369 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18370 /* if we would allow FEN reading to set board size, we would */
18371 /* have to add holdings and shift the board read so far here */
18372 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18374 if((int) piece >= (int) BlackPawn ) {
18375 i = (int)piece - (int)BlackPawn;
18376 i = PieceToNumber((ChessSquare)i);
18377 if( i >= gameInfo.holdingsSize ) return FALSE;
18378 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18379 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18382 i = (int)piece - (int)WhitePawn;
18383 i = PieceToNumber((ChessSquare)i);
18384 if( i >= gameInfo.holdingsSize ) return FALSE;
18385 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18386 board[i][BOARD_WIDTH-2]++; /* black holdings */
18390 if(subst) { // substitute back-rank question marks by holdings pieces
18391 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18392 int k, m, n = bcnt + 1;
18393 if(board[0][j] == ClearBoard) {
18394 if(!wcnt) return FALSE;
18396 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18397 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18398 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18402 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18403 if(!bcnt) return FALSE;
18404 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18405 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18406 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18407 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18418 if(subst) return FALSE; // substitution requested, but no holdings
18420 while(*p == ' ') p++;
18424 if(appData.colorNickNames) {
18425 if( c == appData.colorNickNames[0] ) c = 'w'; else
18426 if( c == appData.colorNickNames[1] ) c = 'b';
18430 *blackPlaysFirst = FALSE;
18433 *blackPlaysFirst = TRUE;
18439 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18440 /* return the extra info in global variiables */
18442 while(*p==' ') p++;
18444 if(!isdigit(*p) && *p != '-') { // we seem to have castling rights. Make sure they are on the rank the King actually is.
18445 if(wKingRank >= 0) for(i=0; i<3; i++) castlingRank[i] = wKingRank;
18446 if(bKingRank >= 0) for(i=3; i<6; i++) castlingRank[i] = bKingRank;
18449 /* set defaults in case FEN is incomplete */
18450 board[EP_STATUS] = EP_UNKNOWN;
18451 board[TOUCHED_W] = board[TOUCHED_B] = 0;
18452 for(i=0; i<nrCastlingRights; i++ ) {
18453 board[CASTLING][i] =
18454 appData.fischerCastling ? NoRights : initialRights[i];
18455 } /* assume possible unless obviously impossible */
18456 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18457 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18458 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18459 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18460 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18461 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18462 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18463 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18466 if(pieceDesc[WhiteKing] && strchr(pieceDesc[WhiteKing], 'i') && !strchr(pieceDesc[WhiteKing], 'O')) { // redefined without castling
18469 while(isalpha(*p)) {
18470 if(isupper(*p)) w |= 1 << (*p++ - 'A');
18471 if(islower(*p)) b |= 1 << (*p++ - 'a');
18475 board[TOUCHED_W] = ~w;
18476 board[TOUCHED_B] = ~b;
18477 while(*p == ' ') p++;
18481 if(nrCastlingRights) {
18483 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18484 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18485 /* castling indicator present, so default becomes no castlings */
18486 for(i=0; i<nrCastlingRights; i++ ) {
18487 board[CASTLING][i] = NoRights;
18490 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18491 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18492 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18493 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18494 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18496 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18497 if(board[castlingRank[5]][i] == BlackKing) blackKingFile = i;
18498 if(board[castlingRank[2]][i] == WhiteKing) whiteKingFile = i;
18500 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18501 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18502 if(whiteKingFile == NoRights || board[castlingRank[2]][whiteKingFile] != WhiteUnicorn
18503 && board[castlingRank[2]][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18504 if(blackKingFile == NoRights || board[castlingRank[5]][blackKingFile] != BlackUnicorn
18505 && board[castlingRank[5]][blackKingFile] != BlackKing) blackKingFile = NoRights;
18508 for(i=BOARD_RGHT-1; board[castlingRank[2]][i]!=WhiteRook && i>whiteKingFile; i--);
18509 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18510 board[CASTLING][2] = whiteKingFile;
18511 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18512 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18513 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18516 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[2]][i]!=WhiteRook && i<whiteKingFile; i++);
18517 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18518 board[CASTLING][2] = whiteKingFile;
18519 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18520 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18521 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18524 for(i=BOARD_RGHT-1; board[castlingRank[5]][i]!=BlackRook && i>blackKingFile; i--);
18525 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18526 board[CASTLING][5] = blackKingFile;
18527 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18528 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18529 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18532 for(i=BOARD_LEFT; i<BOARD_RGHT && board[castlingRank[5]][i]!=BlackRook && i<blackKingFile; i++);
18533 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18534 board[CASTLING][5] = blackKingFile;
18535 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18536 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18537 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18540 default: /* FRC castlings */
18541 if(c >= 'a') { /* black rights */
18542 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18543 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18544 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18545 if(i == BOARD_RGHT) break;
18546 board[CASTLING][5] = i;
18548 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18549 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18551 board[CASTLING][3] = c;
18553 board[CASTLING][4] = c;
18554 } else { /* white rights */
18555 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18556 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18557 if(board[0][i] == WhiteKing) break;
18558 if(i == BOARD_RGHT) break;
18559 board[CASTLING][2] = i;
18560 c -= AAA - 'a' + 'A';
18561 if(board[0][c] >= WhiteKing) break;
18563 board[CASTLING][0] = c;
18565 board[CASTLING][1] = c;
18569 for(i=0; i<nrCastlingRights; i++)
18570 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18571 if(gameInfo.variant == VariantSChess)
18572 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18573 if(fischer && shuffle) appData.fischerCastling = TRUE;
18574 if (appData.debugMode) {
18575 fprintf(debugFP, "FEN castling rights:");
18576 for(i=0; i<nrCastlingRights; i++)
18577 fprintf(debugFP, " %d", board[CASTLING][i]);
18578 fprintf(debugFP, "\n");
18581 while(*p==' ') p++;
18584 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18586 /* read e.p. field in games that know e.p. capture */
18587 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18588 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18589 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18591 p++; board[EP_STATUS] = EP_NONE;
18593 char c = *p++ - AAA;
18595 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18596 if(*p >= '0' && *p <='9') p++;
18597 board[EP_STATUS] = c;
18602 if(sscanf(p, "%d", &i) == 1) {
18603 FENrulePlies = i; /* 50-move ply counter */
18604 /* (The move number is still ignored) */
18611 EditPositionPasteFEN (char *fen)
18614 Board initial_position;
18616 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18617 DisplayError(_("Bad FEN position in clipboard"), 0);
18620 int savedBlackPlaysFirst = blackPlaysFirst;
18621 EditPositionEvent();
18622 blackPlaysFirst = savedBlackPlaysFirst;
18623 CopyBoard(boards[0], initial_position);
18624 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18625 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18626 DisplayBothClocks();
18627 DrawPosition(FALSE, boards[currentMove]);
18632 static char cseq[12] = "\\ ";
18635 set_cont_sequence (char *new_seq)
18640 // handle bad attempts to set the sequence
18642 return 0; // acceptable error - no debug
18644 len = strlen(new_seq);
18645 ret = (len > 0) && (len < sizeof(cseq));
18647 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18648 else if (appData.debugMode)
18649 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18654 reformat a source message so words don't cross the width boundary. internal
18655 newlines are not removed. returns the wrapped size (no null character unless
18656 included in source message). If dest is NULL, only calculate the size required
18657 for the dest buffer. lp argument indicats line position upon entry, and it's
18658 passed back upon exit.
18661 wrap (char *dest, char *src, int count, int width, int *lp)
18663 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18665 cseq_len = strlen(cseq);
18666 old_line = line = *lp;
18667 ansi = len = clen = 0;
18669 for (i=0; i < count; i++)
18671 if (src[i] == '\033')
18674 // if we hit the width, back up
18675 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18677 // store i & len in case the word is too long
18678 old_i = i, old_len = len;
18680 // find the end of the last word
18681 while (i && src[i] != ' ' && src[i] != '\n')
18687 // word too long? restore i & len before splitting it
18688 if ((old_i-i+clen) >= width)
18695 if (i && src[i-1] == ' ')
18698 if (src[i] != ' ' && src[i] != '\n')
18705 // now append the newline and continuation sequence
18710 strncpy(dest+len, cseq, cseq_len);
18718 dest[len] = src[i];
18722 if (src[i] == '\n')
18727 if (dest && appData.debugMode)
18729 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18730 count, width, line, len, *lp);
18731 show_bytes(debugFP, src, count);
18732 fprintf(debugFP, "\ndest: ");
18733 show_bytes(debugFP, dest, len);
18734 fprintf(debugFP, "\n");
18736 *lp = dest ? line : old_line;
18741 // [HGM] vari: routines for shelving variations
18742 Boolean modeRestore = FALSE;
18745 PushInner (int firstMove, int lastMove)
18747 int i, j, nrMoves = lastMove - firstMove;
18749 // push current tail of game on stack
18750 savedResult[storedGames] = gameInfo.result;
18751 savedDetails[storedGames] = gameInfo.resultDetails;
18752 gameInfo.resultDetails = NULL;
18753 savedFirst[storedGames] = firstMove;
18754 savedLast [storedGames] = lastMove;
18755 savedFramePtr[storedGames] = framePtr;
18756 framePtr -= nrMoves; // reserve space for the boards
18757 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18758 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18759 for(j=0; j<MOVE_LEN; j++)
18760 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18761 for(j=0; j<2*MOVE_LEN; j++)
18762 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18763 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18764 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18765 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18766 pvInfoList[firstMove+i-1].depth = 0;
18767 commentList[framePtr+i] = commentList[firstMove+i];
18768 commentList[firstMove+i] = NULL;
18772 forwardMostMove = firstMove; // truncate game so we can start variation
18776 PushTail (int firstMove, int lastMove)
18778 if(appData.icsActive) { // only in local mode
18779 forwardMostMove = currentMove; // mimic old ICS behavior
18782 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18784 PushInner(firstMove, lastMove);
18785 if(storedGames == 1) GreyRevert(FALSE);
18786 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18790 PopInner (Boolean annotate)
18793 char buf[8000], moveBuf[20];
18795 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18796 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18797 nrMoves = savedLast[storedGames] - currentMove;
18800 if(!WhiteOnMove(currentMove))
18801 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18802 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18803 for(i=currentMove; i<forwardMostMove; i++) {
18805 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18806 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18807 strcat(buf, moveBuf);
18808 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18809 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18813 for(i=1; i<=nrMoves; i++) { // copy last variation back
18814 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18815 for(j=0; j<MOVE_LEN; j++)
18816 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18817 for(j=0; j<2*MOVE_LEN; j++)
18818 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18819 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18820 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18821 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18822 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18823 commentList[currentMove+i] = commentList[framePtr+i];
18824 commentList[framePtr+i] = NULL;
18826 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18827 framePtr = savedFramePtr[storedGames];
18828 gameInfo.result = savedResult[storedGames];
18829 if(gameInfo.resultDetails != NULL) {
18830 free(gameInfo.resultDetails);
18832 gameInfo.resultDetails = savedDetails[storedGames];
18833 forwardMostMove = currentMove + nrMoves;
18837 PopTail (Boolean annotate)
18839 if(appData.icsActive) return FALSE; // only in local mode
18840 if(!storedGames) return FALSE; // sanity
18841 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18843 PopInner(annotate);
18844 if(currentMove < forwardMostMove) ForwardEvent(); else
18845 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18847 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18853 { // remove all shelved variations
18855 for(i=0; i<storedGames; i++) {
18856 if(savedDetails[i])
18857 free(savedDetails[i]);
18858 savedDetails[i] = NULL;
18860 for(i=framePtr; i<MAX_MOVES; i++) {
18861 if(commentList[i]) free(commentList[i]);
18862 commentList[i] = NULL;
18864 framePtr = MAX_MOVES-1;
18869 LoadVariation (int index, char *text)
18870 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18871 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18872 int level = 0, move;
18874 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18875 // first find outermost bracketing variation
18876 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18877 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18878 if(*p == '{') wait = '}'; else
18879 if(*p == '[') wait = ']'; else
18880 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18881 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18883 if(*p == wait) wait = NULLCHAR; // closing ]} found
18886 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18887 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18888 end[1] = NULLCHAR; // clip off comment beyond variation
18889 ToNrEvent(currentMove-1);
18890 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18891 // kludge: use ParsePV() to append variation to game
18892 move = currentMove;
18893 ParsePV(start, TRUE, TRUE);
18894 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18895 ClearPremoveHighlights();
18897 ToNrEvent(currentMove+1);
18903 char *p, *q, buf[MSG_SIZ];
18904 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18905 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18906 ParseArgsFromString(buf);
18907 ActivateTheme(TRUE); // also redo colors
18911 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18914 q = appData.themeNames;
18915 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18916 if(appData.useBitmaps) {
18917 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18918 appData.liteBackTextureFile, appData.darkBackTextureFile,
18919 appData.liteBackTextureMode,
18920 appData.darkBackTextureMode );
18922 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18923 Col2Text(2), // lightSquareColor
18924 Col2Text(3) ); // darkSquareColor
18926 if(appData.useBorder) {
18927 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18930 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18932 if(appData.useFont) {
18933 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18934 appData.renderPiecesWithFont,
18935 appData.fontToPieceTable,
18936 Col2Text(9), // appData.fontBackColorWhite
18937 Col2Text(10) ); // appData.fontForeColorBlack
18939 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18940 appData.pieceDirectory);
18941 if(!appData.pieceDirectory[0])
18942 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18943 Col2Text(0), // whitePieceColor
18944 Col2Text(1) ); // blackPieceColor
18946 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18947 Col2Text(4), // highlightSquareColor
18948 Col2Text(5) ); // premoveHighlightColor
18949 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18950 if(insert != q) insert[-1] = NULLCHAR;
18951 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18954 ActivateTheme(FALSE);